* [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
@ 2019-07-23 6:22 kbuild test robot
2019-07-23 8:58 ` René van Dorst
0 siblings, 1 reply; 6+ messages in thread
From: kbuild test robot @ 2019-07-23 6:22 UTC (permalink / raw)
To: Matthew Wilcox (Oracle); +Cc: kbuild-all, netdev
[-- Attachment #1: Type: text/plain, Size: 152482 bytes --]
tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/davem/net-next.git master
head: d5c3a62d0bb9b763e9378fe8f4cd79502e16cce8
commit: 8842d285bafa9ff7719f4107b6545a11dcd41995 [13/14] net: Convert skb_frag_t to bio_vec
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 8842d285bafa9ff7719f4107b6545a11dcd41995
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/net/ethernet/faraday/ftgmac100.c: In function 'ftgmac100_hard_start_xmit':
>> drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
len = frag->size;
^~
vim +777 drivers/net/ethernet/faraday/ftgmac100.c
05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 701
0a715156656bddf drivers/net/ethernet/faraday/ftgmac100.c YueHaibing 2018-09-26 702 static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb,
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 703 struct net_device *netdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 704 {
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 705 struct ftgmac100 *priv = netdev_priv(netdev);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 706 struct ftgmac100_txdes *txdes, *first;
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 707 unsigned int pointer, nfrags, len, i, j;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 708 u32 f_ctl_stat, ctl_stat, csum_vlan;
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 709 dma_addr_t map;
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 710
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 711 /* The HW doesn't pad small frames */
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 712 if (eth_skb_pad(skb)) {
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 713 netdev->stats.tx_dropped++;
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 714 return NETDEV_TX_OK;
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 715 }
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 716
9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 717 /* Reject oversize packets */
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 718 if (unlikely(skb->len > MAX_PKT_SIZE)) {
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 719 if (net_ratelimit())
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 720 netdev_dbg(netdev, "tx packet too big\n");
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 721 goto drop;
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 722 }
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 723
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 724 /* Do we have a limit on #fragments ? I yet have to get a reply
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 725 * from Aspeed. If there's one I haven't hit it.
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 726 */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 727 nfrags = skb_shinfo(skb)->nr_frags;
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 728
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 729 /* Get header len */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 730 len = skb_headlen(skb);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 731
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 732 /* Map the packet head */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 733 map = dma_map_single(priv->dev, skb->data, len, DMA_TO_DEVICE);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 734 if (dma_mapping_error(priv->dev, map)) {
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 735 if (net_ratelimit())
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 736 netdev_err(netdev, "map tx packet head failed\n");
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 737 goto drop;
43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 738 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 739
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 740 /* Grab the next free tx descriptor */
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 741 pointer = priv->tx_pointer;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 742 txdes = first = &priv->txdes[pointer];
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 743
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 744 /* Setup it up with the packet head. Don't write the head to the
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 745 * ring just yet
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 746 */
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 747 priv->tx_skbs[pointer] = skb;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 748 f_ctl_stat = ftgmac100_base_tx_ctlstat(priv, pointer);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 749 f_ctl_stat |= FTGMAC100_TXDES0_TXDMA_OWN;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 750 f_ctl_stat |= FTGMAC100_TXDES0_TXBUF_SIZE(len);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 751 f_ctl_stat |= FTGMAC100_TXDES0_FTS;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 752 if (nfrags == 0)
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 753 f_ctl_stat |= FTGMAC100_TXDES0_LTS;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 754 txdes->txdes3 = cpu_to_le32(map);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 755
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 756 /* Setup HW checksumming */
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 757 csum_vlan = 0;
05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 758 if (skb->ip_summed == CHECKSUM_PARTIAL &&
05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 759 !ftgmac100_prep_tx_csum(skb, &csum_vlan))
05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 760 goto drop;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 761
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 762 /* Add VLAN tag */
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 763 if (skb_vlan_tag_present(skb)) {
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 764 csum_vlan |= FTGMAC100_TXDES1_INS_VLANTAG;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 765 csum_vlan |= skb_vlan_tag_get(skb) & 0xffff;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 766 }
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 767
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 768 txdes->txdes1 = cpu_to_le32(csum_vlan);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 769
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 770 /* Next descriptor */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 771 pointer = ftgmac100_next_tx_pointer(priv, pointer);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 772
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 773 /* Add the fragments */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 774 for (i = 0; i < nfrags; i++) {
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 775 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 776
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 @777 len = frag->size;
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 778
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 779 /* Map it */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 780 map = skb_frag_dma_map(priv->dev, frag, 0, len,
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 781 DMA_TO_DEVICE);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 782 if (dma_mapping_error(priv->dev, map))
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 783 goto dma_err;
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 784
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 785 /* Setup descriptor */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 786 priv->tx_skbs[pointer] = skb;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 787 txdes = &priv->txdes[pointer];
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 788 ctl_stat = ftgmac100_base_tx_ctlstat(priv, pointer);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 789 ctl_stat |= FTGMAC100_TXDES0_TXDMA_OWN;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 790 ctl_stat |= FTGMAC100_TXDES0_TXBUF_SIZE(len);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 791 if (i == (nfrags - 1))
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 792 ctl_stat |= FTGMAC100_TXDES0_LTS;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 793 txdes->txdes0 = cpu_to_le32(ctl_stat);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 794 txdes->txdes1 = 0;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 795 txdes->txdes3 = cpu_to_le32(map);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 796
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 797 /* Next one */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 798 pointer = ftgmac100_next_tx_pointer(priv, pointer);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 799 }
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 800
4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 801 /* Order the previous packet and descriptor udpates
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 802 * before setting the OWN bit on the first descriptor.
4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 803 */
4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 804 dma_wmb();
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 805 first->txdes0 = cpu_to_le32(f_ctl_stat);
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 806
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 807 /* Update next TX pointer */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 808 priv->tx_pointer = pointer;
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 809
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 810 /* If there isn't enough room for all the fragments of a new packet
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 811 * in the TX ring, stop the queue. The sequence below is race free
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 812 * vs. a concurrent restart in ftgmac100_poll()
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 813 */
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 814 if (unlikely(ftgmac100_tx_buf_avail(priv) < TX_THRESHOLD)) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 815 netif_stop_queue(netdev);
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 816 /* Order the queue stop with the test below */
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 817 smp_mb();
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 818 if (ftgmac100_tx_buf_avail(priv) >= TX_THRESHOLD)
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 819 netif_wake_queue(netdev);
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 820 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 821
8eecf7caad8687e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 822 /* Poke transmitter to read the updated TX descriptors */
8eecf7caad8687e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 823 iowrite32(1, priv->base + FTGMAC100_OFFSET_NPTXPD);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 824
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 825 return NETDEV_TX_OK;
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 826
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 827 dma_err:
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 828 if (net_ratelimit())
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 829 netdev_err(netdev, "map tx fragment failed\n");
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 830
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 831 /* Free head */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 832 pointer = priv->tx_pointer;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 833 ftgmac100_free_tx_packet(priv, pointer, skb, first, f_ctl_stat);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 834 first->txdes0 = cpu_to_le32(f_ctl_stat & priv->txdes0_edotr_mask);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 835
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 836 /* Then all fragments */
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 837 for (j = 0; j < i; j++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 838 pointer = ftgmac100_next_tx_pointer(priv, pointer);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 839 txdes = &priv->txdes[pointer];
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 840 ctl_stat = le32_to_cpu(txdes->txdes0);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 841 ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat);
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 842 txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask);
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 843 }
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 844
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 845 /* This cannot be reached if we successfully mapped the
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 846 * last fragment, so we know ftgmac100_free_tx_packet()
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 847 * hasn't freed the skb yet.
6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 848 */
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 849 drop:
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 850 /* Drop the packet */
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 851 dev_kfree_skb_any(skb);
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 852 netdev->stats.tx_dropped++;
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 853
3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 854 return NETDEV_TX_OK;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 855 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 856
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 857 static void ftgmac100_free_buffers(struct ftgmac100 *priv)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 858 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 859 int i;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 860
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 861 /* Free all RX buffers */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 862 for (i = 0; i < priv->rx_q_entries; i++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 863 struct ftgmac100_rxdes *rxdes = &priv->rxdes[i];
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 864 struct sk_buff *skb = priv->rx_skbs[i];
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 865 dma_addr_t map = le32_to_cpu(rxdes->rxdes3);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 866
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 867 if (!skb)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 868 continue;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 869
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 870 priv->rx_skbs[i] = NULL;
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 871 dma_unmap_single(priv->dev, map, RX_BUF_SIZE, DMA_FROM_DEVICE);
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 872 dev_kfree_skb_any(skb);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 873 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 874
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 875 /* Free all TX buffers */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 876 for (i = 0; i < priv->tx_q_entries; i++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 877 struct ftgmac100_txdes *txdes = &priv->txdes[i];
83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 878 struct sk_buff *skb = priv->tx_skbs[i];
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 879
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 880 if (!skb)
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 881 continue;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 882 ftgmac100_free_tx_packet(priv, i, skb, txdes,
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 883 le32_to_cpu(txdes->txdes0));
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 884 }
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 885 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 886
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 887 static void ftgmac100_free_rings(struct ftgmac100 *priv)
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 888 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 889 /* Free skb arrays */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 890 kfree(priv->rx_skbs);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 891 kfree(priv->tx_skbs);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 892
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 893 /* Free descriptors */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 894 if (priv->rxdes)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 895 dma_free_coherent(priv->dev, MAX_RX_QUEUE_ENTRIES *
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 896 sizeof(struct ftgmac100_rxdes),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 897 priv->rxdes, priv->rxdes_dma);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 898 priv->rxdes = NULL;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 899
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 900 if (priv->txdes)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 901 dma_free_coherent(priv->dev, MAX_TX_QUEUE_ENTRIES *
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 902 sizeof(struct ftgmac100_txdes),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 903 priv->txdes, priv->txdes_dma);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 904 priv->txdes = NULL;
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 905
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 906 /* Free scratch packet buffer */
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 907 if (priv->rx_scratch)
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 908 dma_free_coherent(priv->dev, RX_BUF_SIZE,
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 909 priv->rx_scratch, priv->rx_scratch_dma);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 910 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 911
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 912 static int ftgmac100_alloc_rings(struct ftgmac100 *priv)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 913 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 914 /* Allocate skb arrays */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 915 priv->rx_skbs = kcalloc(MAX_RX_QUEUE_ENTRIES, sizeof(void *),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 916 GFP_KERNEL);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 917 if (!priv->rx_skbs)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 918 return -ENOMEM;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 919 priv->tx_skbs = kcalloc(MAX_TX_QUEUE_ENTRIES, sizeof(void *),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 920 GFP_KERNEL);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 921 if (!priv->tx_skbs)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 922 return -ENOMEM;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 923
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 924 /* Allocate descriptors */
750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis Chamberlain 2019-01-04 925 priv->rxdes = dma_alloc_coherent(priv->dev,
750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis Chamberlain 2019-01-04 926 MAX_RX_QUEUE_ENTRIES * sizeof(struct ftgmac100_rxdes),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 927 &priv->rxdes_dma, GFP_KERNEL);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 928 if (!priv->rxdes)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 929 return -ENOMEM;
750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis Chamberlain 2019-01-04 930 priv->txdes = dma_alloc_coherent(priv->dev,
750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis Chamberlain 2019-01-04 931 MAX_TX_QUEUE_ENTRIES * sizeof(struct ftgmac100_txdes),
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 932 &priv->txdes_dma, GFP_KERNEL);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 933 if (!priv->txdes)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 934 return -ENOMEM;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 935
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 936 /* Allocate scratch packet buffer */
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 937 priv->rx_scratch = dma_alloc_coherent(priv->dev,
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 938 RX_BUF_SIZE,
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 939 &priv->rx_scratch_dma,
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 940 GFP_KERNEL);
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 941 if (!priv->rx_scratch)
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 942 return -ENOMEM;
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 943
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 944 return 0;
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 945 }
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 946
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 947 static void ftgmac100_init_rings(struct ftgmac100 *priv)
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 948 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 949 struct ftgmac100_rxdes *rxdes = NULL;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 950 struct ftgmac100_txdes *txdes = NULL;
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 951 int i;
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 952
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 953 /* Update entries counts */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 954 priv->rx_q_entries = priv->new_rx_q_entries;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 955 priv->tx_q_entries = priv->new_tx_q_entries;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 956
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 957 if (WARN_ON(priv->rx_q_entries < MIN_RX_QUEUE_ENTRIES))
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 958 return;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 959
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 960 /* Initialize RX ring */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 961 for (i = 0; i < priv->rx_q_entries; i++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 962 rxdes = &priv->rxdes[i];
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 963 rxdes->rxdes0 = 0;
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 964 rxdes->rxdes3 = cpu_to_le32(priv->rx_scratch_dma);
d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 965 }
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 966 /* Mark the end of the ring */
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 967 rxdes->rxdes0 |= cpu_to_le32(priv->rxdes0_edorr_mask);
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 968
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 969 if (WARN_ON(priv->tx_q_entries < MIN_RX_QUEUE_ENTRIES))
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 970 return;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 971
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 972 /* Initialize TX ring */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 973 for (i = 0; i < priv->tx_q_entries; i++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 974 txdes = &priv->txdes[i];
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 975 txdes->txdes0 = 0;
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 976 }
52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 977 txdes->txdes0 |= cpu_to_le32(priv->txdes0_edotr_mask);
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 978 }
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 979
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 980 static int ftgmac100_alloc_rx_buffers(struct ftgmac100 *priv)
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 981 {
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 982 int i;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 983
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 984 for (i = 0; i < priv->rx_q_entries; i++) {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 985 struct ftgmac100_rxdes *rxdes = &priv->rxdes[i];
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 986
7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 987 if (ftgmac100_alloc_rx_buf(priv, i, rxdes, GFP_KERNEL))
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 988 return -ENOMEM;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 989 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 990 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 991 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 992
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 993 static void ftgmac100_adjust_link(struct net_device *netdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 994 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 995 struct ftgmac100 *priv = netdev_priv(netdev);
b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 996 struct phy_device *phydev = netdev->phydev;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 997 bool tx_pause, rx_pause;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 998 int new_speed;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 999
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1000 /* We store "no link" as speed 0 */
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1001 if (!phydev->link)
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1002 new_speed = 0;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1003 else
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1004 new_speed = phydev->speed;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1005
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1006 /* Grab pause settings from PHY if configured to do so */
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1007 if (priv->aneg_pause) {
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1008 rx_pause = tx_pause = phydev->pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1009 if (phydev->asym_pause)
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1010 tx_pause = !rx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1011 } else {
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1012 rx_pause = priv->rx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1013 tx_pause = priv->tx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1014 }
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1015
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1016 /* Link hasn't changed, do nothing */
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1017 if (phydev->speed == priv->cur_speed &&
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1018 phydev->duplex == priv->cur_duplex &&
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1019 rx_pause == priv->rx_pause &&
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1020 tx_pause == priv->tx_pause)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1021 return;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1022
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1023 /* Print status if we have a link or we had one and just lost it,
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1024 * don't print otherwise.
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1025 */
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1026 if (new_speed || priv->cur_speed)
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1027 phy_print_status(phydev);
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1028
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1029 priv->cur_speed = new_speed;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1030 priv->cur_duplex = phydev->duplex;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1031 priv->rx_pause = rx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1032 priv->tx_pause = tx_pause;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1033
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1034 /* Link is down, do nothing else */
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1035 if (!new_speed)
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1036 return;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1037
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1038 /* Disable all interrupts */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1039 iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1040
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1041 /* Reset the adapter asynchronously */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1042 schedule_work(&priv->reset_task);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1043 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1044
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1045 static int ftgmac100_mii_probe(struct ftgmac100 *priv, phy_interface_t intf)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1046 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1047 struct net_device *netdev = priv->netdev;
e574f39816f0227 drivers/net/ethernet/faraday/ftgmac100.c Guenter Roeck 2016-01-10 1048 struct phy_device *phydev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1049
e574f39816f0227 drivers/net/ethernet/faraday/ftgmac100.c Guenter Roeck 2016-01-10 1050 phydev = phy_find_first(priv->mii_bus);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1051 if (!phydev) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1052 netdev_info(netdev, "%s: no PHY found\n", netdev->name);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1053 return -ENODEV;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1054 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1055
84eff6d194df442 drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn 2016-01-06 1056 phydev = phy_connect(netdev, phydev_name(phydev),
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1057 &ftgmac100_adjust_link, intf);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1058
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1059 if (IS_ERR(phydev)) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1060 netdev_err(netdev, "%s: Could not attach to PHY\n", netdev->name);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1061 return PTR_ERR(phydev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1062 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1063
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1064 /* Indicate that we support PAUSE frames (see comment in
cb1aaebea8d7986 drivers/net/ethernet/faraday/ftgmac100.c Mauro Carvalho Chehab 2019-06-07 1065 * Documentation/networking/phy.rst)
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1066 */
af8d9bb2f2f405a drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn 2018-09-12 1067 phy_support_asym_pause(phydev);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1068
33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1069 /* Display what we found */
33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1070 phy_attached_info(phydev);
33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1071
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1072 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1073 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1074
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1075 static int ftgmac100_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1076 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1077 struct net_device *netdev = bus->priv;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1078 struct ftgmac100 *priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1079 unsigned int phycr;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1080 int i;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1081
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1082 phycr = ioread32(priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1083
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1084 /* preserve MDC cycle threshold */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1085 phycr &= FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1086
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1087 phycr |= FTGMAC100_PHYCR_PHYAD(phy_addr) |
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1088 FTGMAC100_PHYCR_REGAD(regnum) |
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1089 FTGMAC100_PHYCR_MIIRD;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1090
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1091 iowrite32(phycr, priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1092
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1093 for (i = 0; i < 10; i++) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1094 phycr = ioread32(priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1095
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1096 if ((phycr & FTGMAC100_PHYCR_MIIRD) == 0) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1097 int data;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1098
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1099 data = ioread32(priv->base + FTGMAC100_OFFSET_PHYDATA);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1100 return FTGMAC100_PHYDATA_MIIRDATA(data);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1101 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1102
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1103 udelay(100);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1104 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1105
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1106 netdev_err(netdev, "mdio read timed out\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1107 return -EIO;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1108 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1109
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1110 static int ftgmac100_mdiobus_write(struct mii_bus *bus, int phy_addr,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1111 int regnum, u16 value)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1112 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1113 struct net_device *netdev = bus->priv;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1114 struct ftgmac100 *priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1115 unsigned int phycr;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1116 int data;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1117 int i;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1118
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1119 phycr = ioread32(priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1120
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1121 /* preserve MDC cycle threshold */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1122 phycr &= FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1123
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1124 phycr |= FTGMAC100_PHYCR_PHYAD(phy_addr) |
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1125 FTGMAC100_PHYCR_REGAD(regnum) |
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1126 FTGMAC100_PHYCR_MIIWR;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1127
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1128 data = FTGMAC100_PHYDATA_MIIWDATA(value);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1129
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1130 iowrite32(data, priv->base + FTGMAC100_OFFSET_PHYDATA);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1131 iowrite32(phycr, priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1132
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1133 for (i = 0; i < 10; i++) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1134 phycr = ioread32(priv->base + FTGMAC100_OFFSET_PHYCR);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1135
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1136 if ((phycr & FTGMAC100_PHYCR_MIIWR) == 0)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1137 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1138
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1139 udelay(100);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1140 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1141
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1142 netdev_err(netdev, "mdio write timed out\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1143 return -EIO;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1144 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1145
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1146 static void ftgmac100_get_drvinfo(struct net_device *netdev,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1147 struct ethtool_drvinfo *info)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1148 {
7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko 2013-01-06 1149 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko 2013-01-06 1150 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko 2013-01-06 1151 strlcpy(info->bus_info, dev_name(&netdev->dev), sizeof(info->bus_info));
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1152 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1153
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1154 static void ftgmac100_get_ringparam(struct net_device *netdev,
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1155 struct ethtool_ringparam *ering)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1156 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1157 struct ftgmac100 *priv = netdev_priv(netdev);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1158
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1159 memset(ering, 0, sizeof(*ering));
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1160 ering->rx_max_pending = MAX_RX_QUEUE_ENTRIES;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1161 ering->tx_max_pending = MAX_TX_QUEUE_ENTRIES;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1162 ering->rx_pending = priv->rx_q_entries;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1163 ering->tx_pending = priv->tx_q_entries;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1164 }
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1165
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1166 static int ftgmac100_set_ringparam(struct net_device *netdev,
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1167 struct ethtool_ringparam *ering)
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1168 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1169 struct ftgmac100 *priv = netdev_priv(netdev);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1170
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1171 if (ering->rx_pending > MAX_RX_QUEUE_ENTRIES ||
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1172 ering->tx_pending > MAX_TX_QUEUE_ENTRIES ||
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1173 ering->rx_pending < MIN_RX_QUEUE_ENTRIES ||
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1174 ering->tx_pending < MIN_TX_QUEUE_ENTRIES ||
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1175 !is_power_of_2(ering->rx_pending) ||
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1176 !is_power_of_2(ering->tx_pending))
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1177 return -EINVAL;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1178
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1179 priv->new_rx_q_entries = ering->rx_pending;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1180 priv->new_tx_q_entries = ering->tx_pending;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1181 if (netif_running(netdev))
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1182 schedule_work(&priv->reset_task);
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1183
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1184 return 0;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1185 }
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1186
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1187 static void ftgmac100_get_pauseparam(struct net_device *netdev,
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1188 struct ethtool_pauseparam *pause)
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1189 {
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1190 struct ftgmac100 *priv = netdev_priv(netdev);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1191
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1192 pause->autoneg = priv->aneg_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1193 pause->tx_pause = priv->tx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1194 pause->rx_pause = priv->rx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1195 }
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1196
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1197 static int ftgmac100_set_pauseparam(struct net_device *netdev,
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1198 struct ethtool_pauseparam *pause)
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1199 {
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1200 struct ftgmac100 *priv = netdev_priv(netdev);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1201 struct phy_device *phydev = netdev->phydev;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1202
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1203 priv->aneg_pause = pause->autoneg;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1204 priv->tx_pause = pause->tx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1205 priv->rx_pause = pause->rx_pause;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1206
70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn 2018-09-12 1207 if (phydev)
70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn 2018-09-12 1208 phy_set_asym_pause(phydev, pause->rx_pause, pause->tx_pause);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1209
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1210 if (netif_running(netdev)) {
70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn 2018-09-12 1211 if (!(phydev && priv->aneg_pause))
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1212 ftgmac100_config_pause(priv);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1213 }
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1214
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1215 return 0;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1216 }
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1217
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1218 static const struct ethtool_ops ftgmac100_ethtool_ops = {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1219 .get_drvinfo = ftgmac100_get_drvinfo,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1220 .get_link = ethtool_op_get_link,
fd24d72ca9b5255 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 1221 .get_link_ksettings = phy_ethtool_get_link_ksettings,
fd24d72ca9b5255 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 1222 .set_link_ksettings = phy_ethtool_set_link_ksettings,
e98233a6192d75d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1223 .nway_reset = phy_ethtool_nway_reset,
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1224 .get_ringparam = ftgmac100_get_ringparam,
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1225 .set_ringparam = ftgmac100_set_ringparam,
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1226 .get_pauseparam = ftgmac100_get_pauseparam,
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1227 .set_pauseparam = ftgmac100_set_pauseparam,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1228 };
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1229
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1230 static irqreturn_t ftgmac100_interrupt(int irq, void *dev_id)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1231 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1232 struct net_device *netdev = dev_id;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1233 struct ftgmac100 *priv = netdev_priv(netdev);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1234 unsigned int status, new_mask = FTGMAC100_INT_BAD;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1235
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1236 /* Fetch and clear interrupt bits, process abnormal ones */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1237 status = ioread32(priv->base + FTGMAC100_OFFSET_ISR);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1238 iowrite32(status, priv->base + FTGMAC100_OFFSET_ISR);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1239 if (unlikely(status & FTGMAC100_INT_BAD)) {
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1240
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1241 /* RX buffer unavailable */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1242 if (status & FTGMAC100_INT_NO_RXBUF)
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1243 netdev->stats.rx_over_errors++;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1244
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1245 /* received packet lost due to RX FIFO full */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1246 if (status & FTGMAC100_INT_RPKT_LOST)
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1247 netdev->stats.rx_fifo_errors++;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1248
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1249 /* sent packet lost due to excessive TX collision */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1250 if (status & FTGMAC100_INT_XPKT_LOST)
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1251 netdev->stats.tx_fifo_errors++;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1252
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1253 /* AHB error -> Reset the chip */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1254 if (status & FTGMAC100_INT_AHB_ERR) {
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1255 if (net_ratelimit())
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1256 netdev_warn(netdev,
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1257 "AHB bus error ! Resetting chip.\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1258 iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1259 schedule_work(&priv->reset_task);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1260 return IRQ_HANDLED;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1261 }
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1262
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1263 /* We may need to restart the MAC after such errors, delay
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1264 * this until after we have freed some Rx buffers though
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1265 */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1266 priv->need_mac_restart = true;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1267
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1268 /* Disable those errors until we restart */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1269 new_mask &= ~status;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1270 }
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1271
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1272 /* Only enable "bad" interrupts while NAPI is on */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1273 iowrite32(new_mask, priv->base + FTGMAC100_OFFSET_IER);
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1274
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1275 /* Schedule NAPI bh */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1276 napi_schedule_irqoff(&priv->napi);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1277
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1278 return IRQ_HANDLED;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1279 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1280
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1281 static bool ftgmac100_check_rx(struct ftgmac100 *priv)
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1282 {
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1283 struct ftgmac100_rxdes *rxdes = &priv->rxdes[priv->rx_pointer];
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1284
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1285 /* Do we have a packet ? */
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1286 return !!(rxdes->rxdes0 & cpu_to_le32(FTGMAC100_RXDES0_RXPKT_RDY));
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1287 }
4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-06 1288
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1289 static int ftgmac100_poll(struct napi_struct *napi, int budget)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1290 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1291 struct ftgmac100 *priv = container_of(napi, struct ftgmac100, napi);
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1292 int work_done = 0;
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1293 bool more;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1294
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1295 /* Handle TX completions */
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1296 if (ftgmac100_tx_buf_cleanable(priv))
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1297 ftgmac100_tx_complete(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1298
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1299 /* Handle RX packets */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1300 do {
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1301 more = ftgmac100_rx_packet(priv, &work_done);
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1302 } while (more && work_done < budget);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1303
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1304
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1305 /* The interrupt is telling us to kick the MAC back to life
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1306 * after an RX overflow
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1307 */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1308 if (unlikely(priv->need_mac_restart)) {
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1309 ftgmac100_start_hw(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1310
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1311 /* Re-enable "bad" interrupts */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1312 iowrite32(FTGMAC100_INT_BAD,
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1313 priv->base + FTGMAC100_OFFSET_IER);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1314 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1315
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1316 /* As long as we are waiting for transmit packets to be
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1317 * completed we keep NAPI going
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1318 */
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1319 if (ftgmac100_tx_buf_cleanable(priv))
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1320 work_done = budget;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1321
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1322 if (work_done < budget) {
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1323 /* We are about to re-enable all interrupts. However
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1324 * the HW has been latching RX/TX packet interrupts while
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1325 * they were masked. So we clear them first, then we need
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1326 * to re-check if there's something to process
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1327 */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1328 iowrite32(FTGMAC100_INT_RXTX,
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1329 priv->base + FTGMAC100_OFFSET_ISR);
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1330
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1331 /* Push the above (and provides a barrier vs. subsequent
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1332 * reads of the descriptor).
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1333 */
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1334 ioread32(priv->base + FTGMAC100_OFFSET_ISR);
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1335
ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1336 /* Check RX and TX descriptors for more work to do */
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1337 if (ftgmac100_check_rx(priv) ||
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1338 ftgmac100_tx_buf_cleanable(priv))
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1339 return budget;
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1340
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1341 /* deschedule NAPI */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1342 napi_complete(napi);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1343
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1344 /* enable all interrupts */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1345 iowrite32(FTGMAC100_INT_ALL,
fc6061cf93524c3 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1346 priv->base + FTGMAC100_OFFSET_IER);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1347 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1348
6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1349 return work_done;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1350 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1351
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1352 static int ftgmac100_init_all(struct ftgmac100 *priv, bool ignore_alloc_err)
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1353 {
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1354 int err = 0;
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1355
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1356 /* Re-init descriptors (adjust queue sizes) */
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1357 ftgmac100_init_rings(priv);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1358
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1359 /* Realloc rx descriptors */
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1360 err = ftgmac100_alloc_rx_buffers(priv);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1361 if (err && !ignore_alloc_err)
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1362 return err;
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1363
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1364 /* Reinit and restart HW */
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1365 ftgmac100_init_hw(priv);
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1366 ftgmac100_config_pause(priv);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1367 ftgmac100_start_hw(priv);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1368
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1369 /* Re-enable the device */
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1370 napi_enable(&priv->napi);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1371 netif_start_queue(priv->netdev);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1372
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1373 /* Enable all interrupts */
10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1374 iowrite32(FTGMAC100_INT_ALL, priv->base + FTGMAC100_OFFSET_IER);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1375
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1376 return err;
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1377 }
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1378
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1379 static void ftgmac100_reset_task(struct work_struct *work)
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1380 {
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1381 struct ftgmac100 *priv = container_of(work, struct ftgmac100,
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1382 reset_task);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1383 struct net_device *netdev = priv->netdev;
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1384 int err;
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1385
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1386 netdev_dbg(netdev, "Resetting NIC...\n");
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1387
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1388 /* Lock the world */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1389 rtnl_lock();
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1390 if (netdev->phydev)
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1391 mutex_lock(&netdev->phydev->lock);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1392 if (priv->mii_bus)
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1393 mutex_lock(&priv->mii_bus->mdio_lock);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1394
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1395
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1396 /* Check if the interface is still up */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1397 if (!netif_running(netdev))
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1398 goto bail;
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1399
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1400 /* Stop the network stack */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1401 netif_trans_update(netdev);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1402 napi_disable(&priv->napi);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1403 netif_tx_disable(netdev);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1404
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1405 /* Stop and reset the MAC */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1406 ftgmac100_stop_hw(priv);
874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1407 err = ftgmac100_reset_and_config_mac(priv);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1408 if (err) {
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1409 /* Not much we can do ... it might come back... */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1410 netdev_err(netdev, "attempting to continue...\n");
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1411 }
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1412
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1413 /* Free all rx and tx buffers */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1414 ftgmac100_free_buffers(priv);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1415
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1416 /* Setup everything again and restart chip */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1417 ftgmac100_init_all(priv, true);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1418
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1419 netdev_dbg(netdev, "Reset done !\n");
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1420 bail:
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1421 if (priv->mii_bus)
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1422 mutex_unlock(&priv->mii_bus->mdio_lock);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1423 if (netdev->phydev)
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1424 mutex_unlock(&netdev->phydev->lock);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1425 rtnl_unlock();
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1426 }
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1427
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1428 static int ftgmac100_open(struct net_device *netdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1429 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1430 struct ftgmac100 *priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1431 int err;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1432
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1433 /* Allocate ring buffers */
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1434 err = ftgmac100_alloc_rings(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1435 if (err) {
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1436 netdev_err(netdev, "Failed to allocate descriptors\n");
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1437 return err;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1438 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1439
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1440 /* When using NC-SI we force the speed to 100Mbit/s full duplex,
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1441 *
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1442 * Otherwise we leave it set to 0 (no link), the link
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1443 * message from the PHY layer will handle setting it up to
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1444 * something else if needed.
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1445 */
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1446 if (priv->use_ncsi) {
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1447 priv->cur_duplex = DUPLEX_FULL;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1448 priv->cur_speed = SPEED_100;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1449 } else {
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1450 priv->cur_duplex = 0;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1451 priv->cur_speed = 0;
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1452 }
51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1453
874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1454 /* Reset the hardware */
874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1455 err = ftgmac100_reset_and_config_mac(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1456 if (err)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1457 goto err_hw;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1458
b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1459 /* Initialize NAPI */
b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1460 netif_napi_add(netdev, &priv->napi, ftgmac100_poll, 64);
b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1461
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1462 /* Grab our interrupt */
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1463 err = request_irq(netdev->irq, ftgmac100_interrupt, 0, netdev->name, netdev);
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1464 if (err) {
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1465 netdev_err(netdev, "failed to request irq %d\n", netdev->irq);
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1466 goto err_irq;
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1467 }
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1468
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1469 /* Start things up */
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1470 err = ftgmac100_init_all(priv, false);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1471 if (err) {
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1472 netdev_err(netdev, "Failed to allocate packet buffers\n");
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1473 goto err_alloc;
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1474 }
08c9c126004e999 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-09-22 1475
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1476 if (netdev->phydev) {
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1477 /* If we have a PHY, start polling */
b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 1478 phy_start(netdev->phydev);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1479 } else if (priv->use_ncsi) {
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1480 /* If using NC-SI, set our carrier on and start the stack */
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1481 netif_carrier_on(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1482
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1483 /* Start the NCSI device */
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1484 err = ncsi_start_dev(priv->ndev);
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1485 if (err)
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1486 goto err_ncsi;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1487 }
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1488
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1489 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1490
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1491 err_ncsi:
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1492 napi_disable(&priv->napi);
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1493 netif_stop_queue(netdev);
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1494 err_alloc:
da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1495 ftgmac100_free_buffers(priv);
60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1496 free_irq(netdev->irq, netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1497 err_irq:
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1498 netif_napi_del(&priv->napi);
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1499 err_hw:
81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1500 iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1501 ftgmac100_free_rings(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1502 return err;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1503 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1504
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1505 static int ftgmac100_stop(struct net_device *netdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1506 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1507 struct ftgmac100 *priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1508
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1509 /* Note about the reset task: We are called with the rtnl lock
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1510 * held, so we are synchronized against the core of the reset
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1511 * task. We must not try to synchronously cancel it otherwise
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1512 * we can deadlock. But since it will test for netif_running()
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1513 * which has already been cleared by the net core, we don't
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1514 * anything special to do.
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1515 */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1516
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1517 /* disable all interrupts */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1518 iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1519
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1520 netif_stop_queue(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1521 napi_disable(&priv->napi);
b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1522 netif_napi_del(&priv->napi);
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1523 if (netdev->phydev)
b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 1524 phy_stop(netdev->phydev);
2c15f25b2923435 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-10-04 1525 else if (priv->use_ncsi)
2c15f25b2923435 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-10-04 1526 ncsi_stop_dev(priv->ndev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1527
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1528 ftgmac100_stop_hw(priv);
60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1529 free_irq(netdev->irq, netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1530 ftgmac100_free_buffers(priv);
87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1531 ftgmac100_free_rings(priv);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1532
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1533 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1534 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1535
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1536 /* optional */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1537 static int ftgmac100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1538 {
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1539 if (!netdev->phydev)
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1540 return -ENXIO;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1541
b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe Reynes 2016-05-16 1542 return phy_mii_ioctl(netdev->phydev, ifr, cmd);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1543 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1544
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1545 static void ftgmac100_tx_timeout(struct net_device *netdev)
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1546 {
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1547 struct ftgmac100 *priv = netdev_priv(netdev);
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1548
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1549 /* Disable all interrupts */
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1550 iowrite32(0, priv->base + FTGMAC100_OFFSET_IER);
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1551
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1552 /* Do the reset outside of interrupt context */
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1553 schedule_work(&priv->reset_task);
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1554 }
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1555
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1556 static int ftgmac100_set_features(struct net_device *netdev,
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1557 netdev_features_t features)
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1558 {
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1559 struct ftgmac100 *priv = netdev_priv(netdev);
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1560 netdev_features_t changed = netdev->features ^ features;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1561
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1562 if (!netif_running(netdev))
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1563 return 0;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1564
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1565 /* Update the vlan filtering bit */
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1566 if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1567 u32 maccr;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1568
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1569 maccr = ioread32(priv->base + FTGMAC100_OFFSET_MACCR);
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1570 if (priv->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1571 maccr |= FTGMAC100_MACCR_RM_VLAN;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1572 else
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1573 maccr &= ~FTGMAC100_MACCR_RM_VLAN;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1574 iowrite32(maccr, priv->base + FTGMAC100_OFFSET_MACCR);
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1575 }
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1576
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1577 return 0;
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1578 }
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1579
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1580 #ifdef CONFIG_NET_POLL_CONTROLLER
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1581 static void ftgmac100_poll_controller(struct net_device *netdev)
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1582 {
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1583 unsigned long flags;
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1584
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1585 local_irq_save(flags);
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1586 ftgmac100_interrupt(netdev->irq, netdev);
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1587 local_irq_restore(flags);
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1588 }
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1589 #endif
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1590
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1591 static const struct net_device_ops ftgmac100_netdev_ops = {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1592 .ndo_open = ftgmac100_open,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1593 .ndo_stop = ftgmac100_stop,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1594 .ndo_start_xmit = ftgmac100_hard_start_xmit,
113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1595 .ndo_set_mac_address = ftgmac100_set_mac_addr,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1596 .ndo_validate_addr = eth_validate_addr,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1597 .ndo_do_ioctl = ftgmac100_do_ioctl,
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1598 .ndo_tx_timeout = ftgmac100_tx_timeout,
f48b3c0d5b6ab4d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1599 .ndo_set_rx_mode = ftgmac100_set_rx_mode,
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1600 .ndo_set_features = ftgmac100_set_features,
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1601 #ifdef CONFIG_NET_POLL_CONTROLLER
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1602 .ndo_poll_controller = ftgmac100_poll_controller,
030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1603 #endif
51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel Mendoza-Jonas 2017-08-28 1604 .ndo_vlan_rx_add_vid = ncsi_vlan_rx_add_vid,
51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel Mendoza-Jonas 2017-08-28 1605 .ndo_vlan_rx_kill_vid = ncsi_vlan_rx_kill_vid,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1606 };
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1607
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1608 static int ftgmac100_setup_mdio(struct net_device *netdev)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1609 {
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1610 struct ftgmac100 *priv = netdev_priv(netdev);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1611 struct platform_device *pdev = to_platform_device(priv->dev);
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1612 int phy_intf = PHY_INTERFACE_MODE_RGMII;
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1613 struct device_node *np = pdev->dev.of_node;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1614 int i, err = 0;
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1615 u32 reg;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1616
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1617 /* initialize mdio bus */
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1618 priv->mii_bus = mdiobus_alloc();
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1619 if (!priv->mii_bus)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1620 return -EIO;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1621
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1622 if (priv->is_aspeed) {
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1623 /* This driver supports the old MDIO interface */
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1624 reg = ioread32(priv->base + FTGMAC100_OFFSET_REVR);
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1625 reg &= ~FTGMAC100_REVR_NEW_MDIO_INTERFACE;
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1626 iowrite32(reg, priv->base + FTGMAC100_OFFSET_REVR);
f819cd926ca7c91 drivers/net/ethernet/faraday/ftgmac100.c YueHaibing 2019-03-01 1627 }
e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1628
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1629 /* Get PHY mode from device-tree */
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1630 if (np) {
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1631 /* Default to RGMII. It's a gigabit part after all */
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1632 phy_intf = of_get_phy_mode(np);
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1633 if (phy_intf < 0)
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1634 phy_intf = PHY_INTERFACE_MODE_RGMII;
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1635
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1636 /* Aspeed only supports these. I don't know about other IP
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1637 * block vendors so I'm going to just let them through for
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1638 * now. Note that this is only a warning if for some obscure
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1639 * reason the DT really means to lie about it or it's a newer
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1640 * part we don't know about.
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1641 *
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1642 * On the Aspeed SoC there are additionally straps and SCU
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1643 * control bits that could tell us what the interface is
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1644 * (or allow us to configure it while the IP block is held
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1645 * in reset). For now I chose to keep this driver away from
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1646 * those SoC specific bits and assume the device-tree is
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1647 * right and the SCU has been configured properly by pinmux
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1648 * or the firmware.
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1649 */
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1650 if (priv->is_aspeed &&
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1651 phy_intf != PHY_INTERFACE_MODE_RMII &&
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1652 phy_intf != PHY_INTERFACE_MODE_RGMII &&
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1653 phy_intf != PHY_INTERFACE_MODE_RGMII_ID &&
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1654 phy_intf != PHY_INTERFACE_MODE_RGMII_RXID &&
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1655 phy_intf != PHY_INTERFACE_MODE_RGMII_TXID) {
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1656 netdev_warn(netdev,
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1657 "Unsupported PHY mode %s !\n",
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1658 phy_modes(phy_intf));
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1659 }
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1660 }
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1661
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1662 priv->mii_bus->name = "ftgmac100_mdio";
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1663 snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%d",
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1664 pdev->name, pdev->id);
d57b9db1ae0cde3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-07-24 1665 priv->mii_bus->parent = priv->dev;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1666 priv->mii_bus->priv = priv->netdev;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1667 priv->mii_bus->read = ftgmac100_mdiobus_read;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1668 priv->mii_bus->write = ftgmac100_mdiobus_write;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1669
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1670 for (i = 0; i < PHY_MAX_ADDR; i++)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1671 priv->mii_bus->irq[i] = PHY_POLL;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1672
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1673 err = mdiobus_register(priv->mii_bus);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1674 if (err) {
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1675 dev_err(priv->dev, "Cannot register MDIO bus!\n");
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1676 goto err_register_mdiobus;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1677 }
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1678
abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1679 err = ftgmac100_mii_probe(priv, phy_intf);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1680 if (err) {
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1681 dev_err(priv->dev, "MII Probe failed!\n");
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1682 goto err_mii_probe;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1683 }
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1684
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1685 return 0;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1686
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1687 err_mii_probe:
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1688 mdiobus_unregister(priv->mii_bus);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1689 err_register_mdiobus:
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1690 mdiobus_free(priv->mii_bus);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1691 return err;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1692 }
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1693
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1694 static void ftgmac100_destroy_mdio(struct net_device *netdev)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1695 {
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1696 struct ftgmac100 *priv = netdev_priv(netdev);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1697
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1698 if (!netdev->phydev)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1699 return;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1700
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1701 phy_disconnect(netdev->phydev);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1702 mdiobus_unregister(priv->mii_bus);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1703 mdiobus_free(priv->mii_bus);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1704 }
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1705
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1706 static void ftgmac100_ncsi_handler(struct ncsi_dev *nd)
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1707 {
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1708 if (unlikely(nd->state != ncsi_dev_state_functional))
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1709 return;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1710
87975a0117815b9 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2018-06-19 1711 netdev_dbg(nd->dev, "NCSI interface %s\n",
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1712 nd->link_up ? "up" : "down");
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1713 }
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1714
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1715 static void ftgmac100_setup_clk(struct ftgmac100 *priv)
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1716 {
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1717 priv->clk = devm_clk_get(priv->dev, NULL);
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1718 if (IS_ERR(priv->clk))
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1719 return;
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1720
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1721 clk_prepare_enable(priv->clk);
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1722
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1723 /* Aspeed specifies a 100MHz clock is required for up to
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1724 * 1000Mbit link speeds. As NCSI is limited to 100Mbit, 25MHz
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1725 * is sufficient
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1726 */
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1727 clk_set_rate(priv->clk, priv->use_ncsi ? FTGMAC_25MHZ :
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1728 FTGMAC_100MHZ);
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1729 }
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1730
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1731 static int ftgmac100_probe(struct platform_device *pdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1732 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1733 struct resource *res;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1734 int irq;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1735 struct net_device *netdev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1736 struct ftgmac100 *priv;
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1737 struct device_node *np;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1738 int err = 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1739
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1740 if (!pdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1741 return -ENODEV;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1742
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1743 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1744 if (!res)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1745 return -ENXIO;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1746
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1747 irq = platform_get_irq(pdev, 0);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1748 if (irq < 0)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1749 return irq;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1750
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1751 /* setup net_device */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1752 netdev = alloc_etherdev(sizeof(*priv));
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1753 if (!netdev) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1754 err = -ENOMEM;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1755 goto err_alloc_etherdev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1756 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1757
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1758 SET_NETDEV_DEV(netdev, &pdev->dev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1759
7ad24ea4bf620a3 drivers/net/ethernet/faraday/ftgmac100.c Wilfried Klaebe 2014-05-11 1760 netdev->ethtool_ops = &ftgmac100_ethtool_ops;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1761 netdev->netdev_ops = &ftgmac100_netdev_ops;
d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-10 1762 netdev->watchdog_timeo = 5 * HZ;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1763
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1764 platform_set_drvdata(pdev, netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1765
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1766 /* setup private data */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1767 priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1768 priv->netdev = netdev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1769 priv->dev = &pdev->dev;
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1770 INIT_WORK(&priv->reset_task, ftgmac100_reset_task);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1771
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1772 /* map io memory */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1773 priv->res = request_mem_region(res->start, resource_size(res),
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1774 dev_name(&pdev->dev));
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1775 if (!priv->res) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1776 dev_err(&pdev->dev, "Could not reserve memory region\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1777 err = -ENOMEM;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1778 goto err_req_mem;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1779 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1780
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1781 priv->base = ioremap(res->start, resource_size(res));
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1782 if (!priv->base) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1783 dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1784 err = -EIO;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1785 goto err_ioremap;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1786 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1787
60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1788 netdev->irq = irq;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1789
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1790 /* Enable pause */
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1791 priv->tx_pause = true;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1792 priv->rx_pause = true;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1793 priv->aneg_pause = true;
7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1794
113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1795 /* MAC address from chip or random one */
ba1b1234d6a3ecb drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1796 ftgmac100_initial_mac(priv);
113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1797
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1798 np = pdev->dev.of_node;
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1799 if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1800 of_device_is_compatible(np, "aspeed,ast2500-mac"))) {
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1801 priv->rxdes0_edorr_mask = BIT(30);
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1802 priv->txdes0_edotr_mask = BIT(30);
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1803 priv->is_aspeed = true;
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1804 } else {
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1805 priv->rxdes0_edorr_mask = BIT(15);
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1806 priv->txdes0_edotr_mask = BIT(15);
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1807 }
2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2016-09-22 1808
78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1809 if (np && of_get_property(np, "use-ncsi", NULL)) {
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1810 if (!IS_ENABLED(CONFIG_NET_NCSI)) {
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1811 dev_err(&pdev->dev, "NCSI stack not enabled\n");
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1812 goto err_ncsi_dev;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1813 }
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1814
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1815 dev_info(&pdev->dev, "Using NCSI interface\n");
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1816 priv->use_ncsi = true;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1817 priv->ndev = ncsi_register_dev(netdev, ftgmac100_ncsi_handler);
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1818 if (!priv->ndev)
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1819 goto err_ncsi_dev;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1820 } else {
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1821 priv->use_ncsi = false;
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1822 err = ftgmac100_setup_mdio(netdev);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1823 if (err)
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1824 goto err_setup_mdio;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1825 }
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1826
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1827 if (priv->is_aspeed)
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1828 ftgmac100_setup_clk(priv);
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1829
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1830 /* Default ring sizes */
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1831 priv->rx_q_entries = priv->new_rx_q_entries = DEF_RX_QUEUE_ENTRIES;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1832 priv->tx_q_entries = priv->new_tx_q_entries = DEF_TX_QUEUE_ENTRIES;
52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1833
6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1834 /* Base feature set */
8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1835 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_HW_CSUM |
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1836 NETIF_F_GRO | NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX |
0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-18 1837 NETIF_F_HW_VLAN_CTAG_TX;
6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1838
51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel Mendoza-Jonas 2017-08-28 1839 if (priv->use_ncsi)
51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel Mendoza-Jonas 2017-08-28 1840 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel Mendoza-Jonas 2017-08-28 1841
6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1842 /* AST2400 doesn't have working HW checksum generation */
6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1843 if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac")))
8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1844 netdev->hw_features &= ~NETIF_F_HW_CSUM;
6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1845 if (np && of_get_property(np, "no-hw-checksum", NULL))
8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1846 netdev->hw_features &= ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM);
8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-12 1847 netdev->features |= netdev->hw_features;
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1848
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1849 /* register network device */
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1850 err = register_netdev(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1851 if (err) {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1852 dev_err(&pdev->dev, "Failed to register netdev\n");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1853 goto err_register_netdev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1854 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1855
60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1856 netdev_info(netdev, "irq %d, mapped at %p\n", netdev->irq, priv->base);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1857
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1858 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1859
bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1860 err_ncsi_dev:
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1861 err_register_netdev:
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1862 ftgmac100_destroy_mdio(netdev);
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1863 err_setup_mdio:
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1864 iounmap(priv->base);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1865 err_ioremap:
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1866 release_resource(priv->res);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1867 err_req_mem:
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1868 free_netdev(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1869 err_alloc_etherdev:
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1870 return err;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1871 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1872
be12502e2e64854 drivers/net/ethernet/faraday/ftgmac100.c Dmitry Torokhov 2017-03-01 1873 static int ftgmac100_remove(struct platform_device *pdev)
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1874 {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1875 struct net_device *netdev;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1876 struct ftgmac100 *priv;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1877
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1878 netdev = platform_get_drvdata(pdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1879 priv = netdev_priv(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1880
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1881 unregister_netdev(netdev);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1882
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1883 clk_disable_unprepare(priv->clk);
4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel Stanley 2017-10-13 1884
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1885 /* There's a small chance the reset task will have been re-queued,
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1886 * during stop, make sure it's gone before we free the structure.
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1887 */
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1888 cancel_work_sync(&priv->reset_task);
855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin Herrenschmidt 2017-04-05 1889
eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1890 ftgmac100_destroy_mdio(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1891
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1892 iounmap(priv->base);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1893 release_resource(priv->res);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1894
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1895 netif_napi_del(&priv->napi);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1896 free_netdev(netdev);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1897 return 0;
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1898 }
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1899
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1900 static const struct of_device_id ftgmac100_of_match[] = {
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1901 { .compatible = "faraday,ftgmac100" },
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1902 { }
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1903 };
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1904 MODULE_DEVICE_TABLE(of, ftgmac100_of_match);
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1905
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1906 static struct platform_driver ftgmac100_driver = {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1907 .probe = ftgmac100_probe,
be12502e2e64854 drivers/net/ethernet/faraday/ftgmac100.c Dmitry Torokhov 2017-03-01 1908 .remove = ftgmac100_remove,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1909 .driver = {
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1910 .name = DRV_NAME,
bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan 2016-07-19 1911 .of_match_table = ftgmac100_of_match,
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1912 },
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1913 };
14f645d0deb4d18 drivers/net/ethernet/faraday/ftgmac100.c Sachin Kamat 2013-03-18 1914 module_platform_driver(ftgmac100_driver);
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1915
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1916 MODULE_AUTHOR("Po-Yu Chuang <ratbert@faraday-tech.com>");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1917 MODULE_DESCRIPTION("FTGMAC100 driver");
69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu Chuang 2011-06-08 1918 MODULE_LICENSE("GPL");
:::::: The code at line 777 was first introduced by commit
:::::: 6db7470445f0757d2e8f23f57d86611338717ebe ftgmac100: Add support for fragmented tx
:::::: TO: Benjamin Herrenschmidt <benh@kernel.crashing.org>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 51198 bytes --]
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
2019-07-23 6:22 [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size' kbuild test robot
@ 2019-07-23 8:58 ` René van Dorst
2019-07-23 11:52 ` Matthew Wilcox
2019-07-23 18:46 ` David Miller
0 siblings, 2 replies; 6+ messages in thread
From: René van Dorst @ 2019-07-23 8:58 UTC (permalink / raw)
To: Matthew Wilcox (Oracle); +Cc: kbuild-all, netdev, davem
Hi Matthew,
I see the same issue for the mediatek/mtk_eth_soc driver.
Build error for mips.
In file included from ./include/linux/cache.h:5:0,
from ./arch/mips/include/asm/cpu-info.h:15,
from ./arch/mips/include/asm/cpu-features.h:13,
from ./arch/mips/include/asm/bitops.h:21,
from ./include/linux/bitops.h:19,
from ./include/linux/kernel.h:12,
from ./include/linux/list.h:9,
from ./include/linux/kobject.h:19,
from ./include/linux/device.h:16,
from ./include/linux/node.h:18,
from ./include/linux/cpu.h:17,
from ./include/linux/of_device.h:5,
from drivers/net/ethernet/mediatek/mtk_eth_soc.c:9:
drivers/net/ethernet/mediatek/mtk_eth_soc.c: In function 'mtk_cal_txd_req':
drivers/net/ethernet/mediatek/mtk_eth_soc.c:969:31: error: 'skb_frag_t
{aka struct bio_vec}' has no member named 'size'
nfrags += DIV_ROUND_UP(frag->size, MTK_TX_DMA_BUF_LEN);
^
./include/uapi/linux/kernel.h:13:40: note: in definition of macro
'__KERNEL_DIV_ROUND_UP'
#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
^
drivers/net/ethernet/mediatek/mtk_eth_soc.c:969:14: note: in expansion
of macro 'DIV_ROUND_UP'
nfrags += DIV_ROUND_UP(frag->size, MTK_TX_DMA_BUF_LEN);
^~~~~~~~~~~~
make[4]: *** [scripts/Makefile.build:274:
drivers/net/ethernet/mediatek/mtk_eth_soc.o] Error 1
make[3]: *** [scripts/Makefile.build:490:
drivers/net/ethernet/mediatek] Error 2
make[2]: *** [scripts/Makefile.build:490: drivers/net/ethernet] Error 2
make[1]: *** [scripts/Makefile.build:490: drivers/net] Error 2
Greats,
René
Quoting kbuild test robot <lkp@intel.com>:
> tree:
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/davem/net-next.git
> master
> head: d5c3a62d0bb9b763e9378fe8f4cd79502e16cce8
> commit: 8842d285bafa9ff7719f4107b6545a11dcd41995 [13/14] net:
> Convert skb_frag_t to bio_vec
> config: m68k-allyesconfig (attached as .config)
> compiler: m68k-linux-gcc (GCC) 7.4.0
> reproduce:
> wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
> ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 8842d285bafa9ff7719f4107b6545a11dcd41995
> # save the attached .config to linux build tree
> GCC_VERSION=7.4.0 make.cross ARCH=m68k
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> drivers/net/ethernet/faraday/ftgmac100.c: In function
> 'ftgmac100_hard_start_xmit':
>>> drivers/net/ethernet/faraday/ftgmac100.c:777:13: error:
>>> 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
> len = frag->size;
> ^~
>
> vim +777 drivers/net/ethernet/faraday/ftgmac100.c
>
> 05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 701
> 0a715156656bddf drivers/net/ethernet/faraday/ftgmac100.c YueHaibing
> 2018-09-26 702 static netdev_tx_t
> ftgmac100_hard_start_xmit(struct sk_buff *skb,
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 703 struct net_device *netdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 704 {
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 705 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 706 struct ftgmac100_txdes *txdes,
> *first;
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 707 unsigned int pointer, nfrags, len,
> i, j;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 708 u32 f_ctl_stat, ctl_stat, csum_vlan;
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 709 dma_addr_t map;
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 710
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 711 /* The HW doesn't pad small frames */
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 712 if (eth_skb_pad(skb)) {
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 713 netdev->stats.tx_dropped++;
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 714 return NETDEV_TX_OK;
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 715 }
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 716
> 9b0f7711d92bf44 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 717 /* Reject oversize packets */
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 718 if (unlikely(skb->len >
> MAX_PKT_SIZE)) {
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 719 if (net_ratelimit())
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 720 netdev_dbg(netdev, "tx packet too
> big\n");
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 721 goto drop;
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 722 }
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 723
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 724 /* Do we have a limit on #fragments
> ? I yet have to get a reply
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 725 * from Aspeed. If there's one I
> haven't hit it.
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 726 */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 727 nfrags = skb_shinfo(skb)->nr_frags;
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 728
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 729 /* Get header len */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 730 len = skb_headlen(skb);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 731
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 732 /* Map the packet head */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 733 map = dma_map_single(priv->dev,
> skb->data, len, DMA_TO_DEVICE);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 734 if (dma_mapping_error(priv->dev,
> map)) {
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 735 if (net_ratelimit())
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 736 netdev_err(netdev, "map tx packet
> head failed\n");
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 737 goto drop;
> 43b25ee712f72ec drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 738 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 739
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 740 /* Grab the next free tx descriptor
> */
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 741 pointer = priv->tx_pointer;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 742 txdes = first =
> &priv->txdes[pointer];
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 743
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 744 /* Setup it up with the packet
> head. Don't write the head to the
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 745 * ring just yet
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 746 */
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 747 priv->tx_skbs[pointer] = skb;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 748 f_ctl_stat =
> ftgmac100_base_tx_ctlstat(priv, pointer);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 749 f_ctl_stat |=
> FTGMAC100_TXDES0_TXDMA_OWN;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 750 f_ctl_stat |=
> FTGMAC100_TXDES0_TXBUF_SIZE(len);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 751 f_ctl_stat |= FTGMAC100_TXDES0_FTS;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 752 if (nfrags == 0)
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 753 f_ctl_stat |= FTGMAC100_TXDES0_LTS;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 754 txdes->txdes3 = cpu_to_le32(map);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 755
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 756 /* Setup HW checksumming */
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 757 csum_vlan = 0;
> 05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 758 if (skb->ip_summed ==
> CHECKSUM_PARTIAL &&
> 05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 759 !ftgmac100_prep_tx_csum(skb,
> &csum_vlan))
> 05690d633f309d7 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 760 goto drop;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 761
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 762 /* Add VLAN tag */
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 763 if (skb_vlan_tag_present(skb)) {
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 764 csum_vlan |=
> FTGMAC100_TXDES1_INS_VLANTAG;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 765 csum_vlan |= skb_vlan_tag_get(skb)
> & 0xffff;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 766 }
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 767
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 768 txdes->txdes1 =
> cpu_to_le32(csum_vlan);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 769
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 770 /* Next descriptor */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 771 pointer =
> ftgmac100_next_tx_pointer(priv, pointer);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 772
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 773 /* Add the fragments */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 774 for (i = 0; i < nfrags; i++) {
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 775 skb_frag_t *frag =
> &skb_shinfo(skb)->frags[i];
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 776
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 @777 len = frag->size;
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 778
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 779 /* Map it */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 780 map = skb_frag_dma_map(priv->dev,
> frag, 0, len,
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 781 DMA_TO_DEVICE);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 782 if (dma_mapping_error(priv->dev,
> map))
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 783 goto dma_err;
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 784
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 785 /* Setup descriptor */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 786 priv->tx_skbs[pointer] = skb;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 787 txdes = &priv->txdes[pointer];
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 788 ctl_stat =
> ftgmac100_base_tx_ctlstat(priv, pointer);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 789 ctl_stat |=
> FTGMAC100_TXDES0_TXDMA_OWN;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 790 ctl_stat |=
> FTGMAC100_TXDES0_TXBUF_SIZE(len);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 791 if (i == (nfrags - 1))
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 792 ctl_stat |= FTGMAC100_TXDES0_LTS;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 793 txdes->txdes0 =
> cpu_to_le32(ctl_stat);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 794 txdes->txdes1 = 0;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 795 txdes->txdes3 = cpu_to_le32(map);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 796
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 797 /* Next one */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 798 pointer =
> ftgmac100_next_tx_pointer(priv, pointer);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 799 }
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 800
> 4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 801 /* Order the previous packet and
> descriptor udpates
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 802 * before setting the OWN bit on
> the first descriptor.
> 4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 803 */
> 4a2712b2f0b6895 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 804 dma_wmb();
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 805 first->txdes0 =
> cpu_to_le32(f_ctl_stat);
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 806
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 807 /* Update next TX pointer */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 808 priv->tx_pointer = pointer;
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 809
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 810 /* If there isn't enough room for
> all the fragments of a new packet
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 811 * in the TX ring, stop the queue.
> The sequence below is race free
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 812 * vs. a concurrent restart in
> ftgmac100_poll()
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 813 */
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 814 if
> (unlikely(ftgmac100_tx_buf_avail(priv) < TX_THRESHOLD)) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 815 netif_stop_queue(netdev);
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 816 /* Order the queue stop with the
> test below */
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 817 smp_mb();
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 818 if (ftgmac100_tx_buf_avail(priv)
> >= TX_THRESHOLD)
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 819 netif_wake_queue(netdev);
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 820 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 821
> 8eecf7caad8687e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 822 /* Poke transmitter to read the
> updated TX descriptors */
> 8eecf7caad8687e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 823 iowrite32(1, priv->base +
> FTGMAC100_OFFSET_NPTXPD);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 824
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 825 return NETDEV_TX_OK;
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 826
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 827 dma_err:
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 828 if (net_ratelimit())
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 829 netdev_err(netdev, "map tx
> fragment failed\n");
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 830
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 831 /* Free head */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 832 pointer = priv->tx_pointer;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 833 ftgmac100_free_tx_packet(priv,
> pointer, skb, first, f_ctl_stat);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 834 first->txdes0 =
> cpu_to_le32(f_ctl_stat & priv->txdes0_edotr_mask);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 835
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 836 /* Then all fragments */
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 837 for (j = 0; j < i; j++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 838 pointer =
> ftgmac100_next_tx_pointer(priv, pointer);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 839 txdes = &priv->txdes[pointer];
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 840 ctl_stat =
> le32_to_cpu(txdes->txdes0);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 841 ftgmac100_free_tx_packet(priv,
> pointer, skb, txdes, ctl_stat);
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 842 txdes->txdes0 =
> cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask);
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 843 }
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 844
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 845 /* This cannot be reached if we
> successfully mapped the
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 846 * last fragment, so we know
> ftgmac100_free_tx_packet()
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 847 * hasn't freed the skb yet.
> 6db7470445f0757 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 848 */
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 849 drop:
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 850 /* Drop the packet */
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 851 dev_kfree_skb_any(skb);
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 852 netdev->stats.tx_dropped++;
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 853
> 3e427a3363edbc8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 854 return NETDEV_TX_OK;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 855 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 856
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 857 static void
> ftgmac100_free_buffers(struct ftgmac100 *priv)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 858 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 859 int i;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 860
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 861 /* Free all RX buffers */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 862 for (i = 0; i < priv->rx_q_entries;
> i++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 863 struct ftgmac100_rxdes *rxdes =
> &priv->rxdes[i];
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 864 struct sk_buff *skb =
> priv->rx_skbs[i];
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 865 dma_addr_t map =
> le32_to_cpu(rxdes->rxdes3);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 866
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 867 if (!skb)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 868 continue;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 869
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 870 priv->rx_skbs[i] = NULL;
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 871 dma_unmap_single(priv->dev, map,
> RX_BUF_SIZE, DMA_FROM_DEVICE);
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 872 dev_kfree_skb_any(skb);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 873 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 874
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 875 /* Free all TX buffers */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 876 for (i = 0; i < priv->tx_q_entries;
> i++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 877 struct ftgmac100_txdes *txdes =
> &priv->txdes[i];
> 83617317d2136ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 878 struct sk_buff *skb =
> priv->tx_skbs[i];
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 879
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 880 if (!skb)
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 881 continue;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 882 ftgmac100_free_tx_packet(priv, i,
> skb, txdes,
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 883 le32_to_cpu(txdes->txdes0));
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 884 }
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 885 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 886
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 887 static void
> ftgmac100_free_rings(struct ftgmac100 *priv)
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 888 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 889 /* Free skb arrays */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 890 kfree(priv->rx_skbs);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 891 kfree(priv->tx_skbs);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 892
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 893 /* Free descriptors */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 894 if (priv->rxdes)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 895 dma_free_coherent(priv->dev,
> MAX_RX_QUEUE_ENTRIES *
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 896 sizeof(struct ftgmac100_rxdes),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 897 priv->rxdes, priv->rxdes_dma);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 898 priv->rxdes = NULL;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 899
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 900 if (priv->txdes)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 901 dma_free_coherent(priv->dev,
> MAX_TX_QUEUE_ENTRIES *
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 902 sizeof(struct ftgmac100_txdes),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 903 priv->txdes, priv->txdes_dma);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 904 priv->txdes = NULL;
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 905
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 906 /* Free scratch packet buffer */
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 907 if (priv->rx_scratch)
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 908 dma_free_coherent(priv->dev,
> RX_BUF_SIZE,
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 909 priv->rx_scratch,
> priv->rx_scratch_dma);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 910 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 911
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 912 static int
> ftgmac100_alloc_rings(struct ftgmac100 *priv)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 913 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 914 /* Allocate skb arrays */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 915 priv->rx_skbs =
> kcalloc(MAX_RX_QUEUE_ENTRIES, sizeof(void *),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 916 GFP_KERNEL);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 917 if (!priv->rx_skbs)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 918 return -ENOMEM;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 919 priv->tx_skbs =
> kcalloc(MAX_TX_QUEUE_ENTRIES, sizeof(void *),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 920 GFP_KERNEL);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 921 if (!priv->tx_skbs)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 922 return -ENOMEM;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 923
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 924 /* Allocate descriptors */
> 750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis
> Chamberlain 2019-01-04 925 priv->rxdes =
> dma_alloc_coherent(priv->dev,
> 750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis
> Chamberlain 2019-01-04 926 MAX_RX_QUEUE_ENTRIES *
> sizeof(struct ftgmac100_rxdes),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 927 &priv->rxdes_dma, GFP_KERNEL);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 928 if (!priv->rxdes)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 929 return -ENOMEM;
> 750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis
> Chamberlain 2019-01-04 930 priv->txdes =
> dma_alloc_coherent(priv->dev,
> 750afb08ca71310 drivers/net/ethernet/faraday/ftgmac100.c Luis
> Chamberlain 2019-01-04 931 MAX_TX_QUEUE_ENTRIES *
> sizeof(struct ftgmac100_txdes),
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 932 &priv->txdes_dma, GFP_KERNEL);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 933 if (!priv->txdes)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 934 return -ENOMEM;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 935
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 936 /* Allocate scratch packet buffer */
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 937 priv->rx_scratch =
> dma_alloc_coherent(priv->dev,
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 938 RX_BUF_SIZE,
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 939 &priv->rx_scratch_dma,
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 940 GFP_KERNEL);
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 941 if (!priv->rx_scratch)
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 942 return -ENOMEM;
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 943
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 944 return 0;
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 945 }
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 946
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 947 static void
> ftgmac100_init_rings(struct ftgmac100 *priv)
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 948 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 949 struct ftgmac100_rxdes *rxdes = NULL;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 950 struct ftgmac100_txdes *txdes = NULL;
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 951 int i;
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 952
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 953 /* Update entries counts */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 954 priv->rx_q_entries =
> priv->new_rx_q_entries;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 955 priv->tx_q_entries =
> priv->new_tx_q_entries;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 956
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 957 if (WARN_ON(priv->rx_q_entries <
> MIN_RX_QUEUE_ENTRIES))
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 958 return;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 959
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 960 /* Initialize RX ring */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 961 for (i = 0; i < priv->rx_q_entries;
> i++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 962 rxdes = &priv->rxdes[i];
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 963 rxdes->rxdes0 = 0;
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 964 rxdes->rxdes3 =
> cpu_to_le32(priv->rx_scratch_dma);
> d72e01a0430f8a1 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 965 }
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 966 /* Mark the end of the ring */
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 967 rxdes->rxdes0 |=
> cpu_to_le32(priv->rxdes0_edorr_mask);
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 968
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 969 if (WARN_ON(priv->tx_q_entries <
> MIN_RX_QUEUE_ENTRIES))
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 970 return;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 971
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 972 /* Initialize TX ring */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 973 for (i = 0; i < priv->tx_q_entries;
> i++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 974 txdes = &priv->txdes[i];
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 975 txdes->txdes0 = 0;
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 976 }
> 52c0cae8746513e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 977 txdes->txdes0 |=
> cpu_to_le32(priv->txdes0_edotr_mask);
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 978 }
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 979
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 980 static int
> ftgmac100_alloc_rx_buffers(struct ftgmac100 *priv)
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 981 {
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 982 int i;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 983
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 984 for (i = 0; i < priv->rx_q_entries;
> i++) {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 985 struct ftgmac100_rxdes *rxdes =
> &priv->rxdes[i];
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 986
> 7b49cd1c9eca4ac drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 987 if (ftgmac100_alloc_rx_buf(priv,
> i, rxdes, GFP_KERNEL))
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 988 return -ENOMEM;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 989 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 990 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 991 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 992
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 993 static void
> ftgmac100_adjust_link(struct net_device *netdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 994 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 995 struct ftgmac100 *priv =
> netdev_priv(netdev);
> b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 996 struct phy_device *phydev =
> netdev->phydev;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 997 bool tx_pause, rx_pause;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 998 int new_speed;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 999
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1000 /* We store "no link" as speed 0 */
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1001 if (!phydev->link)
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1002 new_speed = 0;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1003 else
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1004 new_speed = phydev->speed;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1005
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1006 /* Grab pause settings from PHY if
> configured to do so */
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1007 if (priv->aneg_pause) {
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1008 rx_pause = tx_pause = phydev->pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1009 if (phydev->asym_pause)
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1010 tx_pause = !rx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1011 } else {
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1012 rx_pause = priv->rx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1013 tx_pause = priv->tx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1014 }
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1015
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1016 /* Link hasn't changed, do nothing */
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1017 if (phydev->speed ==
> priv->cur_speed &&
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1018 phydev->duplex ==
> priv->cur_duplex &&
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1019 rx_pause == priv->rx_pause &&
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1020 tx_pause == priv->tx_pause)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1021 return;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1022
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1023 /* Print status if we have a link
> or we had one and just lost it,
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1024 * don't print otherwise.
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1025 */
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1026 if (new_speed || priv->cur_speed)
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1027 phy_print_status(phydev);
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1028
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1029 priv->cur_speed = new_speed;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1030 priv->cur_duplex = phydev->duplex;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1031 priv->rx_pause = rx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1032 priv->tx_pause = tx_pause;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1033
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1034 /* Link is down, do nothing else */
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1035 if (!new_speed)
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1036 return;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1037
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1038 /* Disable all interrupts */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1039 iowrite32(0, priv->base +
> FTGMAC100_OFFSET_IER);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1040
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1041 /* Reset the adapter asynchronously
> */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1042 schedule_work(&priv->reset_task);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1043 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1044
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1045 static int
> ftgmac100_mii_probe(struct ftgmac100 *priv, phy_interface_t intf)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1046 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1047 struct net_device *netdev =
> priv->netdev;
> e574f39816f0227 drivers/net/ethernet/faraday/ftgmac100.c Guenter
> Roeck 2016-01-10 1048 struct phy_device *phydev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1049
> e574f39816f0227 drivers/net/ethernet/faraday/ftgmac100.c Guenter
> Roeck 2016-01-10 1050 phydev =
> phy_find_first(priv->mii_bus);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1051 if (!phydev) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1052 netdev_info(netdev, "%s: no PHY
> found\n", netdev->name);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1053 return -ENODEV;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1054 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1055
> 84eff6d194df442 drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn
> 2016-01-06 1056 phydev = phy_connect(netdev,
> phydev_name(phydev),
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1057 &ftgmac100_adjust_link, intf);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1058
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1059 if (IS_ERR(phydev)) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1060 netdev_err(netdev, "%s: Could
> not attach to PHY\n", netdev->name);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1061 return PTR_ERR(phydev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1062 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1063
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1064 /* Indicate that we support PAUSE
> frames (see comment in
> cb1aaebea8d7986 drivers/net/ethernet/faraday/ftgmac100.c Mauro
> Carvalho Chehab 2019-06-07 1065 *
> Documentation/networking/phy.rst)
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1066 */
> af8d9bb2f2f405a drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn
> 2018-09-12 1067 phy_support_asym_pause(phydev);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1068
> 33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1069 /* Display what we found */
> 33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1070 phy_attached_info(phydev);
> 33de693248b4564 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1071
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1072 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1073 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1074
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1075 static int
> ftgmac100_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1076 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1077 struct net_device *netdev =
> bus->priv;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1078 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1079 unsigned int phycr;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1080 int i;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1081
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1082 phycr = ioread32(priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1083
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1084 /* preserve MDC cycle threshold */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1085 phycr &=
> FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1086
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1087 phycr |=
> FTGMAC100_PHYCR_PHYAD(phy_addr) |
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1088 FTGMAC100_PHYCR_REGAD(regnum) |
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1089 FTGMAC100_PHYCR_MIIRD;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1090
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1091 iowrite32(phycr, priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1092
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1093 for (i = 0; i < 10; i++) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1094 phycr = ioread32(priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1095
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1096 if ((phycr &
> FTGMAC100_PHYCR_MIIRD) == 0) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1097 int data;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1098
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1099 data = ioread32(priv->base +
> FTGMAC100_OFFSET_PHYDATA);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1100 return
> FTGMAC100_PHYDATA_MIIRDATA(data);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1101 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1102
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1103 udelay(100);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1104 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1105
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1106 netdev_err(netdev, "mdio read
> timed out\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1107 return -EIO;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1108 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1109
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1110 static int
> ftgmac100_mdiobus_write(struct mii_bus *bus, int phy_addr,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1111 int regnum, u16 value)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1112 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1113 struct net_device *netdev =
> bus->priv;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1114 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1115 unsigned int phycr;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1116 int data;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1117 int i;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1118
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1119 phycr = ioread32(priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1120
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1121 /* preserve MDC cycle threshold */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1122 phycr &=
> FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1123
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1124 phycr |=
> FTGMAC100_PHYCR_PHYAD(phy_addr) |
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1125 FTGMAC100_PHYCR_REGAD(regnum) |
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1126 FTGMAC100_PHYCR_MIIWR;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1127
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1128 data =
> FTGMAC100_PHYDATA_MIIWDATA(value);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1129
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1130 iowrite32(data, priv->base +
> FTGMAC100_OFFSET_PHYDATA);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1131 iowrite32(phycr, priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1132
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1133 for (i = 0; i < 10; i++) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1134 phycr = ioread32(priv->base +
> FTGMAC100_OFFSET_PHYCR);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1135
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1136 if ((phycr &
> FTGMAC100_PHYCR_MIIWR) == 0)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1137 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1138
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1139 udelay(100);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1140 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1141
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1142 netdev_err(netdev, "mdio write
> timed out\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1143 return -EIO;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1144 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1145
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1146 static void
> ftgmac100_get_drvinfo(struct net_device *netdev,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1147 struct ethtool_drvinfo *info)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1148 {
> 7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko
> 2013-01-06 1149 strlcpy(info->driver, DRV_NAME,
> sizeof(info->driver));
> 7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko
> 2013-01-06 1150 strlcpy(info->version, DRV_VERSION,
> sizeof(info->version));
> 7826d43f2db45c9 drivers/net/ethernet/faraday/ftgmac100.c Jiri Pirko
> 2013-01-06 1151 strlcpy(info->bus_info,
> dev_name(&netdev->dev), sizeof(info->bus_info));
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1152 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1153
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1154 static void
> ftgmac100_get_ringparam(struct net_device *netdev,
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1155 struct ethtool_ringparam
> *ering)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1156 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1157 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1158
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1159 memset(ering, 0, sizeof(*ering));
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1160 ering->rx_max_pending =
> MAX_RX_QUEUE_ENTRIES;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1161 ering->tx_max_pending =
> MAX_TX_QUEUE_ENTRIES;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1162 ering->rx_pending =
> priv->rx_q_entries;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1163 ering->tx_pending =
> priv->tx_q_entries;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1164 }
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1165
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1166 static int
> ftgmac100_set_ringparam(struct net_device *netdev,
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1167 struct ethtool_ringparam
> *ering)
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1168 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1169 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1170
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1171 if (ering->rx_pending >
> MAX_RX_QUEUE_ENTRIES ||
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1172 ering->tx_pending >
> MAX_TX_QUEUE_ENTRIES ||
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1173 ering->rx_pending <
> MIN_RX_QUEUE_ENTRIES ||
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1174 ering->tx_pending <
> MIN_TX_QUEUE_ENTRIES ||
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1175
> !is_power_of_2(ering->rx_pending) ||
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1176
> !is_power_of_2(ering->tx_pending))
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1177 return -EINVAL;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1178
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1179 priv->new_rx_q_entries =
> ering->rx_pending;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1180 priv->new_tx_q_entries =
> ering->tx_pending;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1181 if (netif_running(netdev))
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1182 schedule_work(&priv->reset_task);
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1183
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1184 return 0;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1185 }
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1186
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1187 static void
> ftgmac100_get_pauseparam(struct net_device *netdev,
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1188 struct ethtool_pauseparam
> *pause)
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1189 {
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1190 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1191
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1192 pause->autoneg = priv->aneg_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1193 pause->tx_pause = priv->tx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1194 pause->rx_pause = priv->rx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1195 }
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1196
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1197 static int
> ftgmac100_set_pauseparam(struct net_device *netdev,
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1198 struct ethtool_pauseparam
> *pause)
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1199 {
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1200 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1201 struct phy_device *phydev =
> netdev->phydev;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1202
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1203 priv->aneg_pause = pause->autoneg;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1204 priv->tx_pause = pause->tx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1205 priv->rx_pause = pause->rx_pause;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1206
> 70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn
> 2018-09-12 1207 if (phydev)
> 70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn
> 2018-09-12 1208 phy_set_asym_pause(phydev,
> pause->rx_pause, pause->tx_pause);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1209
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1210 if (netif_running(netdev)) {
> 70814e819c1139e drivers/net/ethernet/faraday/ftgmac100.c Andrew Lunn
> 2018-09-12 1211 if (!(phydev && priv->aneg_pause))
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1212 ftgmac100_config_pause(priv);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1213 }
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1214
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1215 return 0;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1216 }
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1217
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1218 static const struct ethtool_ops
> ftgmac100_ethtool_ops = {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1219 .get_drvinfo =
> ftgmac100_get_drvinfo,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1220 .get_link = ethtool_op_get_link,
> fd24d72ca9b5255 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 1221 .get_link_ksettings =
> phy_ethtool_get_link_ksettings,
> fd24d72ca9b5255 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 1222 .set_link_ksettings =
> phy_ethtool_set_link_ksettings,
> e98233a6192d75d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1223 .nway_reset =
> phy_ethtool_nway_reset,
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1224 .get_ringparam =
> ftgmac100_get_ringparam,
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1225 .set_ringparam =
> ftgmac100_set_ringparam,
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1226 .get_pauseparam =
> ftgmac100_get_pauseparam,
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1227 .set_pauseparam =
> ftgmac100_set_pauseparam,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1228 };
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1229
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1230 static irqreturn_t
> ftgmac100_interrupt(int irq, void *dev_id)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1231 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1232 struct net_device *netdev =
> dev_id;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1233 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1234 unsigned int status, new_mask =
> FTGMAC100_INT_BAD;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1235
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1236 /* Fetch and clear interrupt bits,
> process abnormal ones */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1237 status = ioread32(priv->base +
> FTGMAC100_OFFSET_ISR);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1238 iowrite32(status, priv->base +
> FTGMAC100_OFFSET_ISR);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1239 if (unlikely(status &
> FTGMAC100_INT_BAD)) {
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1240
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1241 /* RX buffer unavailable */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1242 if (status & FTGMAC100_INT_NO_RXBUF)
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1243 netdev->stats.rx_over_errors++;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1244
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1245 /* received packet lost due to RX
> FIFO full */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1246 if (status &
> FTGMAC100_INT_RPKT_LOST)
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1247 netdev->stats.rx_fifo_errors++;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1248
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1249 /* sent packet lost due to
> excessive TX collision */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1250 if (status &
> FTGMAC100_INT_XPKT_LOST)
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1251 netdev->stats.tx_fifo_errors++;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1252
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1253 /* AHB error -> Reset the chip */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1254 if (status &
> FTGMAC100_INT_AHB_ERR) {
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1255 if (net_ratelimit())
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1256 netdev_warn(netdev,
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1257 "AHB bus error ! Resetting
> chip.\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1258 iowrite32(0, priv->base +
> FTGMAC100_OFFSET_IER);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1259 schedule_work(&priv->reset_task);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1260 return IRQ_HANDLED;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1261 }
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1262
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1263 /* We may need to restart the MAC
> after such errors, delay
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1264 * this until after we have freed
> some Rx buffers though
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1265 */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1266 priv->need_mac_restart = true;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1267
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1268 /* Disable those errors until we
> restart */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1269 new_mask &= ~status;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1270 }
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1271
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1272 /* Only enable "bad" interrupts
> while NAPI is on */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1273 iowrite32(new_mask, priv->base +
> FTGMAC100_OFFSET_IER);
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1274
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1275 /* Schedule NAPI bh */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1276 napi_schedule_irqoff(&priv->napi);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1277
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1278 return IRQ_HANDLED;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1279 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1280
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1281 static bool
> ftgmac100_check_rx(struct ftgmac100 *priv)
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1282 {
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1283 struct ftgmac100_rxdes *rxdes =
> &priv->rxdes[priv->rx_pointer];
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1284
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1285 /* Do we have a packet ? */
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1286 return !!(rxdes->rxdes0 &
> cpu_to_le32(FTGMAC100_RXDES0_RXPKT_RDY));
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1287 }
> 4ca24152d891950 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-06 1288
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1289 static int ftgmac100_poll(struct
> napi_struct *napi, int budget)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1290 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1291 struct ftgmac100 *priv =
> container_of(napi, struct ftgmac100, napi);
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1292 int work_done = 0;
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1293 bool more;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1294
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1295 /* Handle TX completions */
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1296 if (ftgmac100_tx_buf_cleanable(priv))
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1297 ftgmac100_tx_complete(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1298
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1299 /* Handle RX packets */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1300 do {
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1301 more = ftgmac100_rx_packet(priv,
> &work_done);
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1302 } while (more && work_done < budget);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1303
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1304
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1305 /* The interrupt is telling us to
> kick the MAC back to life
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1306 * after an RX overflow
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1307 */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1308 if
> (unlikely(priv->need_mac_restart)) {
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1309 ftgmac100_start_hw(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1310
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1311 /* Re-enable "bad" interrupts */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1312 iowrite32(FTGMAC100_INT_BAD,
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1313 priv->base +
> FTGMAC100_OFFSET_IER);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1314 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1315
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1316 /* As long as we are waiting for
> transmit packets to be
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1317 * completed we keep NAPI going
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1318 */
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1319 if (ftgmac100_tx_buf_cleanable(priv))
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1320 work_done = budget;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1321
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1322 if (work_done < budget) {
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1323 /* We are about to re-enable all
> interrupts. However
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1324 * the HW has been latching RX/TX
> packet interrupts while
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1325 * they were masked. So we clear
> them first, then we need
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1326 * to re-check if there's
> something to process
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1327 */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1328 iowrite32(FTGMAC100_INT_RXTX,
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1329 priv->base +
> FTGMAC100_OFFSET_ISR);
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1330
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1331 /* Push the above (and provides a
> barrier vs. subsequent
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1332 * reads of the descriptor).
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1333 */
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1334 ioread32(priv->base +
> FTGMAC100_OFFSET_ISR);
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1335
> ccaf725a1fd7904 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1336 /* Check RX and TX descriptors for
> more work to do */
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1337 if (ftgmac100_check_rx(priv) ||
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1338
> ftgmac100_tx_buf_cleanable(priv))
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1339 return budget;
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1340
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1341 /* deschedule NAPI */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1342 napi_complete(napi);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1343
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1344 /* enable all interrupts */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1345 iowrite32(FTGMAC100_INT_ALL,
> fc6061cf93524c3 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1346 priv->base + FTGMAC100_OFFSET_IER);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1347 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1348
> 6ad3d7edcbdae23 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1349 return work_done;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1350 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1351
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1352 static int ftgmac100_init_all(struct
> ftgmac100 *priv, bool ignore_alloc_err)
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1353 {
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1354 int err = 0;
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1355
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1356 /* Re-init descriptors (adjust
> queue sizes) */
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1357 ftgmac100_init_rings(priv);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1358
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1359 /* Realloc rx descriptors */
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1360 err =
> ftgmac100_alloc_rx_buffers(priv);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1361 if (err && !ignore_alloc_err)
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1362 return err;
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1363
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1364 /* Reinit and restart HW */
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1365 ftgmac100_init_hw(priv);
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1366 ftgmac100_config_pause(priv);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1367 ftgmac100_start_hw(priv);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1368
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1369 /* Re-enable the device */
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1370 napi_enable(&priv->napi);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1371 netif_start_queue(priv->netdev);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1372
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1373 /* Enable all interrupts */
> 10cbd640760991b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1374 iowrite32(FTGMAC100_INT_ALL,
> priv->base + FTGMAC100_OFFSET_IER);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1375
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1376 return err;
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1377 }
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1378
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1379 static void
> ftgmac100_reset_task(struct work_struct *work)
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1380 {
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1381 struct ftgmac100 *priv =
> container_of(work, struct ftgmac100,
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1382 reset_task);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1383 struct net_device *netdev =
> priv->netdev;
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1384 int err;
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1385
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1386 netdev_dbg(netdev, "Resetting
> NIC...\n");
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1387
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1388 /* Lock the world */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1389 rtnl_lock();
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1390 if (netdev->phydev)
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1391 mutex_lock(&netdev->phydev->lock);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1392 if (priv->mii_bus)
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1393
> mutex_lock(&priv->mii_bus->mdio_lock);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1394
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1395
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1396 /* Check if the interface is still
> up */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1397 if (!netif_running(netdev))
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1398 goto bail;
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1399
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1400 /* Stop the network stack */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1401 netif_trans_update(netdev);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1402 napi_disable(&priv->napi);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1403 netif_tx_disable(netdev);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1404
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1405 /* Stop and reset the MAC */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1406 ftgmac100_stop_hw(priv);
> 874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1407 err =
> ftgmac100_reset_and_config_mac(priv);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1408 if (err) {
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1409 /* Not much we can do ... it might
> come back... */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1410 netdev_err(netdev, "attempting to
> continue...\n");
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1411 }
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1412
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1413 /* Free all rx and tx buffers */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1414 ftgmac100_free_buffers(priv);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1415
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1416 /* Setup everything again and
> restart chip */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1417 ftgmac100_init_all(priv, true);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1418
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1419 netdev_dbg(netdev, "Reset done !\n");
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1420 bail:
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1421 if (priv->mii_bus)
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1422
> mutex_unlock(&priv->mii_bus->mdio_lock);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1423 if (netdev->phydev)
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1424 mutex_unlock(&netdev->phydev->lock);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1425 rtnl_unlock();
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1426 }
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1427
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1428 static int ftgmac100_open(struct
> net_device *netdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1429 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1430 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1431 int err;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1432
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1433 /* Allocate ring buffers */
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1434 err = ftgmac100_alloc_rings(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1435 if (err) {
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1436 netdev_err(netdev, "Failed to
> allocate descriptors\n");
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1437 return err;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1438 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1439
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1440 /* When using NC-SI we force the
> speed to 100Mbit/s full duplex,
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1441 *
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1442 * Otherwise we leave it set to 0
> (no link), the link
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1443 * message from the PHY layer will
> handle setting it up to
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1444 * something else if needed.
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1445 */
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1446 if (priv->use_ncsi) {
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1447 priv->cur_duplex = DUPLEX_FULL;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1448 priv->cur_speed = SPEED_100;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1449 } else {
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1450 priv->cur_duplex = 0;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1451 priv->cur_speed = 0;
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1452 }
> 51764777354664b drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1453
> 874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1454 /* Reset the hardware */
> 874b55bf62330ca drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1455 err =
> ftgmac100_reset_and_config_mac(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1456 if (err)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1457 goto err_hw;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1458
> b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1459 /* Initialize NAPI */
> b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1460 netif_napi_add(netdev, &priv->napi,
> ftgmac100_poll, 64);
> b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1461
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1462 /* Grab our interrupt */
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1463 err = request_irq(netdev->irq,
> ftgmac100_interrupt, 0, netdev->name, netdev);
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1464 if (err) {
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1465 netdev_err(netdev, "failed to
> request irq %d\n", netdev->irq);
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1466 goto err_irq;
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1467 }
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1468
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1469 /* Start things up */
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1470 err = ftgmac100_init_all(priv,
> false);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1471 if (err) {
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1472 netdev_err(netdev, "Failed to
> allocate packet buffers\n");
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1473 goto err_alloc;
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1474 }
> 08c9c126004e999 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-09-22 1475
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1476 if (netdev->phydev) {
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1477 /* If we have a PHY, start polling
> */
> b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 1478 phy_start(netdev->phydev);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1479 } else if (priv->use_ncsi) {
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1480 /* If using NC-SI, set our carrier
> on and start the stack */
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1481 netif_carrier_on(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1482
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1483 /* Start the NCSI device */
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1484 err = ncsi_start_dev(priv->ndev);
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1485 if (err)
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1486 goto err_ncsi;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1487 }
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1488
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1489 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1490
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1491 err_ncsi:
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1492 napi_disable(&priv->napi);
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1493 netif_stop_queue(netdev);
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1494 err_alloc:
> da40d9d4b5932d2 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1495 ftgmac100_free_buffers(priv);
> 60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1496 free_irq(netdev->irq, netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1497 err_irq:
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1498 netif_napi_del(&priv->napi);
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1499 err_hw:
> 81f1eca663c070e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1500 iowrite32(0, priv->base +
> FTGMAC100_OFFSET_IER);
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1501 ftgmac100_free_rings(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1502 return err;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1503 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1504
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1505 static int ftgmac100_stop(struct
> net_device *netdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1506 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1507 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1508
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1509 /* Note about the reset task: We
> are called with the rtnl lock
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1510 * held, so we are synchronized
> against the core of the reset
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1511 * task. We must not try to
> synchronously cancel it otherwise
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1512 * we can deadlock. But since it
> will test for netif_running()
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1513 * which has already been cleared
> by the net core, we don't
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1514 * anything special to do.
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1515 */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1516
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1517 /* disable all interrupts */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1518 iowrite32(0, priv->base +
> FTGMAC100_OFFSET_IER);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1519
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1520 netif_stop_queue(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1521 napi_disable(&priv->napi);
> b8dbecff9bab825 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1522 netif_napi_del(&priv->napi);
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1523 if (netdev->phydev)
> b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 1524 phy_stop(netdev->phydev);
> 2c15f25b2923435 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-10-04 1525 else if (priv->use_ncsi)
> 2c15f25b2923435 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-10-04 1526 ncsi_stop_dev(priv->ndev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1527
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1528 ftgmac100_stop_hw(priv);
> 60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1529 free_irq(netdev->irq, netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1530 ftgmac100_free_buffers(priv);
> 87d18757ec1677c drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1531 ftgmac100_free_rings(priv);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1532
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1533 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1534 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1535
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1536 /* optional */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1537 static int
> ftgmac100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int
> cmd)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1538 {
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1539 if (!netdev->phydev)
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1540 return -ENXIO;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1541
> b3c40adcc9891a7 drivers/net/ethernet/faraday/ftgmac100.c Philippe
> Reynes 2016-05-16 1542 return
> phy_mii_ioctl(netdev->phydev, ifr, cmd);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1543 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1544
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1545 static void
> ftgmac100_tx_timeout(struct net_device *netdev)
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1546 {
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1547 struct ftgmac100 *priv =
> netdev_priv(netdev);
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1548
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1549 /* Disable all interrupts */
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1550 iowrite32(0, priv->base +
> FTGMAC100_OFFSET_IER);
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1551
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1552 /* Do the reset outside of
> interrupt context */
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1553 schedule_work(&priv->reset_task);
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1554 }
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1555
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1556 static int
> ftgmac100_set_features(struct net_device *netdev,
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1557 netdev_features_t features)
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1558 {
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1559 struct ftgmac100 *priv =
> netdev_priv(netdev);
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1560 netdev_features_t changed =
> netdev->features ^ features;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1561
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1562 if (!netif_running(netdev))
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1563 return 0;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1564
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1565 /* Update the vlan filtering bit */
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1566 if (changed &
> NETIF_F_HW_VLAN_CTAG_RX) {
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1567 u32 maccr;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1568
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1569 maccr = ioread32(priv->base +
> FTGMAC100_OFFSET_MACCR);
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1570 if (priv->netdev->features &
> NETIF_F_HW_VLAN_CTAG_RX)
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1571 maccr |= FTGMAC100_MACCR_RM_VLAN;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1572 else
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1573 maccr &= ~FTGMAC100_MACCR_RM_VLAN;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1574 iowrite32(maccr, priv->base +
> FTGMAC100_OFFSET_MACCR);
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1575 }
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1576
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1577 return 0;
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1578 }
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1579
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1580 #ifdef CONFIG_NET_POLL_CONTROLLER
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1581 static void
> ftgmac100_poll_controller(struct net_device *netdev)
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1582 {
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1583 unsigned long flags;
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1584
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1585 local_irq_save(flags);
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1586 ftgmac100_interrupt(netdev->irq,
> netdev);
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1587 local_irq_restore(flags);
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1588 }
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1589 #endif
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1590
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1591 static const struct
> net_device_ops ftgmac100_netdev_ops = {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1592 .ndo_open = ftgmac100_open,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1593 .ndo_stop = ftgmac100_stop,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1594 .ndo_start_xmit =
> ftgmac100_hard_start_xmit,
> 113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1595 .ndo_set_mac_address =
> ftgmac100_set_mac_addr,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1596 .ndo_validate_addr =
> eth_validate_addr,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1597 .ndo_do_ioctl =
> ftgmac100_do_ioctl,
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1598 .ndo_tx_timeout =
> ftgmac100_tx_timeout,
> f48b3c0d5b6ab4d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1599 .ndo_set_rx_mode =
> ftgmac100_set_rx_mode,
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1600 .ndo_set_features =
> ftgmac100_set_features,
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1601 #ifdef CONFIG_NET_POLL_CONTROLLER
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1602 .ndo_poll_controller =
> ftgmac100_poll_controller,
> 030d9828703ec7e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1603 #endif
> 51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel
> Mendoza-Jonas 2017-08-28 1604 .ndo_vlan_rx_add_vid =
> ncsi_vlan_rx_add_vid,
> 51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel
> Mendoza-Jonas 2017-08-28 1605 .ndo_vlan_rx_kill_vid =
> ncsi_vlan_rx_kill_vid,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1606 };
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1607
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1608 static int ftgmac100_setup_mdio(struct
> net_device *netdev)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1609 {
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1610 struct ftgmac100 *priv =
> netdev_priv(netdev);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1611 struct platform_device *pdev =
> to_platform_device(priv->dev);
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1612 int phy_intf =
> PHY_INTERFACE_MODE_RGMII;
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1613 struct device_node *np =
> pdev->dev.of_node;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1614 int i, err = 0;
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1615 u32 reg;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1616
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1617 /* initialize mdio bus */
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1618 priv->mii_bus = mdiobus_alloc();
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1619 if (!priv->mii_bus)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1620 return -EIO;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1621
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1622 if (priv->is_aspeed) {
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1623 /* This driver supports the
> old MDIO interface */
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1624 reg = ioread32(priv->base +
> FTGMAC100_OFFSET_REVR);
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1625 reg &=
> ~FTGMAC100_REVR_NEW_MDIO_INTERFACE;
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1626 iowrite32(reg, priv->base +
> FTGMAC100_OFFSET_REVR);
> f819cd926ca7c91 drivers/net/ethernet/faraday/ftgmac100.c YueHaibing
> 2019-03-01 1627 }
> e07dc63ba22df2d drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1628
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1629 /* Get PHY mode from device-tree */
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1630 if (np) {
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1631 /* Default to RGMII. It's a
> gigabit part after all */
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1632 phy_intf = of_get_phy_mode(np);
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1633 if (phy_intf < 0)
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1634 phy_intf =
> PHY_INTERFACE_MODE_RGMII;
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1635
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1636 /* Aspeed only supports these. I
> don't know about other IP
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1637 * block vendors so I'm going to
> just let them through for
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1638 * now. Note that this is only a
> warning if for some obscure
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1639 * reason the DT really means to
> lie about it or it's a newer
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1640 * part we don't know about.
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1641 *
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1642 * On the Aspeed SoC there are
> additionally straps and SCU
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1643 * control bits that could tell us
> what the interface is
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1644 * (or allow us to configure it
> while the IP block is held
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1645 * in reset). For now I chose to
> keep this driver away from
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1646 * those SoC specific bits and
> assume the device-tree is
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1647 * right and the SCU has been
> configured properly by pinmux
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1648 * or the firmware.
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1649 */
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1650 if (priv->is_aspeed &&
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1651 phy_intf !=
> PHY_INTERFACE_MODE_RMII &&
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1652 phy_intf !=
> PHY_INTERFACE_MODE_RGMII &&
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1653 phy_intf !=
> PHY_INTERFACE_MODE_RGMII_ID &&
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1654 phy_intf !=
> PHY_INTERFACE_MODE_RGMII_RXID &&
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1655 phy_intf !=
> PHY_INTERFACE_MODE_RGMII_TXID) {
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1656 netdev_warn(netdev,
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1657 "Unsupported PHY mode %s !\n",
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1658 phy_modes(phy_intf));
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1659 }
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1660 }
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1661
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1662 priv->mii_bus->name = "ftgmac100_mdio";
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1663 snprintf(priv->mii_bus->id,
> MII_BUS_ID_SIZE, "%s-%d",
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1664 pdev->name, pdev->id);
> d57b9db1ae0cde3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-07-24 1665 priv->mii_bus->parent = priv->dev;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1666 priv->mii_bus->priv = priv->netdev;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1667 priv->mii_bus->read =
> ftgmac100_mdiobus_read;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1668 priv->mii_bus->write =
> ftgmac100_mdiobus_write;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1669
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1670 for (i = 0; i < PHY_MAX_ADDR; i++)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1671 priv->mii_bus->irq[i] = PHY_POLL;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1672
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1673 err = mdiobus_register(priv->mii_bus);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1674 if (err) {
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1675 dev_err(priv->dev, "Cannot register
> MDIO bus!\n");
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1676 goto err_register_mdiobus;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1677 }
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1678
> abcc3eb00e10af3 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1679 err = ftgmac100_mii_probe(priv,
> phy_intf);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1680 if (err) {
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1681 dev_err(priv->dev, "MII Probe
> failed!\n");
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1682 goto err_mii_probe;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1683 }
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1684
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1685 return 0;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1686
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1687 err_mii_probe:
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1688 mdiobus_unregister(priv->mii_bus);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1689 err_register_mdiobus:
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1690 mdiobus_free(priv->mii_bus);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1691 return err;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1692 }
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1693
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1694 static void
> ftgmac100_destroy_mdio(struct net_device *netdev)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1695 {
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1696 struct ftgmac100 *priv =
> netdev_priv(netdev);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1697
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1698 if (!netdev->phydev)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1699 return;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1700
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1701 phy_disconnect(netdev->phydev);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1702 mdiobus_unregister(priv->mii_bus);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1703 mdiobus_free(priv->mii_bus);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1704 }
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1705
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1706 static void
> ftgmac100_ncsi_handler(struct ncsi_dev *nd)
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1707 {
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1708 if (unlikely(nd->state !=
> ncsi_dev_state_functional))
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1709 return;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1710
> 87975a0117815b9 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2018-06-19 1711 netdev_dbg(nd->dev, "NCSI
> interface %s\n",
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1712 nd->link_up ? "up" : "down");
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1713 }
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1714
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1715 static void
> ftgmac100_setup_clk(struct ftgmac100 *priv)
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1716 {
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1717 priv->clk =
> devm_clk_get(priv->dev, NULL);
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1718 if (IS_ERR(priv->clk))
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1719 return;
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1720
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1721 clk_prepare_enable(priv->clk);
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1722
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1723 /* Aspeed specifies a 100MHz
> clock is required for up to
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1724 * 1000Mbit link speeds. As
> NCSI is limited to 100Mbit, 25MHz
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1725 * is sufficient
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1726 */
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1727 clk_set_rate(priv->clk,
> priv->use_ncsi ? FTGMAC_25MHZ :
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1728 FTGMAC_100MHZ);
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1729 }
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1730
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1731 static int ftgmac100_probe(struct
> platform_device *pdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1732 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1733 struct resource *res;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1734 int irq;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1735 struct net_device *netdev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1736 struct ftgmac100 *priv;
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1737 struct device_node *np;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1738 int err = 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1739
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1740 if (!pdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1741 return -ENODEV;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1742
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1743 res =
> platform_get_resource(pdev, IORESOURCE_MEM, 0);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1744 if (!res)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1745 return -ENXIO;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1746
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1747 irq = platform_get_irq(pdev, 0);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1748 if (irq < 0)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1749 return irq;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1750
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1751 /* setup net_device */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1752 netdev =
> alloc_etherdev(sizeof(*priv));
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1753 if (!netdev) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1754 err = -ENOMEM;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1755 goto err_alloc_etherdev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1756 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1757
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1758 SET_NETDEV_DEV(netdev,
> &pdev->dev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1759
> 7ad24ea4bf620a3 drivers/net/ethernet/faraday/ftgmac100.c Wilfried
> Klaebe 2014-05-11 1760 netdev->ethtool_ops =
> &ftgmac100_ethtool_ops;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1761 netdev->netdev_ops =
> &ftgmac100_netdev_ops;
> d3ca8fb180dbec8 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-10 1762 netdev->watchdog_timeo = 5 * HZ;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1763
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1764 platform_set_drvdata(pdev,
> netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1765
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1766 /* setup private data */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1767 priv = netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1768 priv->netdev = netdev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1769 priv->dev = &pdev->dev;
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1770 INIT_WORK(&priv->reset_task,
> ftgmac100_reset_task);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1771
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1772 /* map io memory */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1773 priv->res =
> request_mem_region(res->start, resource_size(res),
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1774 dev_name(&pdev->dev));
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1775 if (!priv->res) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1776 dev_err(&pdev->dev, "Could not
> reserve memory region\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1777 err = -ENOMEM;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1778 goto err_req_mem;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1779 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1780
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1781 priv->base = ioremap(res->start,
> resource_size(res));
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1782 if (!priv->base) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1783 dev_err(&pdev->dev, "Failed to
> ioremap ethernet registers\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1784 err = -EIO;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1785 goto err_ioremap;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1786 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1787
> 60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1788 netdev->irq = irq;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1789
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1790 /* Enable pause */
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1791 priv->tx_pause = true;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1792 priv->rx_pause = true;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1793 priv->aneg_pause = true;
> 7c8e5141ca633ae drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1794
> 113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1795 /* MAC address from chip or random one
> */
> ba1b1234d6a3ecb drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1796 ftgmac100_initial_mac(priv);
> 113ce107afe9799 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1797
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1798 np = pdev->dev.of_node;
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1799 if (np &&
> (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1800 of_device_is_compatible(np,
> "aspeed,ast2500-mac"))) {
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1801 priv->rxdes0_edorr_mask =
> BIT(30);
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1802 priv->txdes0_edotr_mask =
> BIT(30);
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1803 priv->is_aspeed = true;
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1804 } else {
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1805 priv->rxdes0_edorr_mask =
> BIT(15);
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1806 priv->txdes0_edotr_mask =
> BIT(15);
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1807 }
> 2a0ab8ebbec6341 drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2016-09-22 1808
> 78d28543a6093fa drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1809 if (np && of_get_property(np,
> "use-ncsi", NULL)) {
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1810 if (!IS_ENABLED(CONFIG_NET_NCSI)) {
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1811 dev_err(&pdev->dev, "NCSI stack not
> enabled\n");
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1812 goto err_ncsi_dev;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1813 }
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1814
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1815 dev_info(&pdev->dev, "Using NCSI
> interface\n");
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1816 priv->use_ncsi = true;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1817 priv->ndev =
> ncsi_register_dev(netdev, ftgmac100_ncsi_handler);
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1818 if (!priv->ndev)
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1819 goto err_ncsi_dev;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1820 } else {
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1821 priv->use_ncsi = false;
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1822 err = ftgmac100_setup_mdio(netdev);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1823 if (err)
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1824 goto err_setup_mdio;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1825 }
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1826
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1827 if (priv->is_aspeed)
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1828 ftgmac100_setup_clk(priv);
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1829
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1830 /* Default ring sizes */
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1831 priv->rx_q_entries =
> priv->new_rx_q_entries = DEF_RX_QUEUE_ENTRIES;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1832 priv->tx_q_entries =
> priv->new_tx_q_entries = DEF_TX_QUEUE_ENTRIES;
> 52d9138fb31ac2d drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1833
> 6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1834 /* Base feature set */
> 8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1835 netdev->hw_features =
> NETIF_F_RXCSUM | NETIF_F_HW_CSUM |
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1836 NETIF_F_GRO | NETIF_F_SG |
> NETIF_F_HW_VLAN_CTAG_RX |
> 0fb9968876c3866 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-18 1837 NETIF_F_HW_VLAN_CTAG_TX;
> 6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1838
> 51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel
> Mendoza-Jonas 2017-08-28 1839 if (priv->use_ncsi)
> 51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel
> Mendoza-Jonas 2017-08-28 1840 netdev->hw_features |=
> NETIF_F_HW_VLAN_CTAG_FILTER;
> 51564585d8c6de2 drivers/net/ethernet/faraday/ftgmac100.c Samuel
> Mendoza-Jonas 2017-08-28 1841
> 6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1842 /* AST2400 doesn't have working HW
> checksum generation */
> 6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1843 if (np &&
> (of_device_is_compatible(np, "aspeed,ast2400-mac")))
> 8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1844 netdev->hw_features &=
> ~NETIF_F_HW_CSUM;
> 6aff0bf641cf69e drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1845 if (np && of_get_property(np,
> "no-hw-checksum", NULL))
> 8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1846 netdev->hw_features &=
> ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM);
> 8c3ed1315e129e9 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-12 1847 netdev->features |=
> netdev->hw_features;
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1848
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1849 /* register network device */
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1850 err = register_netdev(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1851 if (err) {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1852 dev_err(&pdev->dev, "Failed to
> register netdev\n");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1853 goto err_register_netdev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1854 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1855
> 60b28a1167749c5 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1856 netdev_info(netdev, "irq %d, mapped
> at %p\n", netdev->irq, priv->base);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1857
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1858 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1859
> bd466c3fb5a4ff8 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1860 err_ncsi_dev:
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1861 err_register_netdev:
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1862 ftgmac100_destroy_mdio(netdev);
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1863 err_setup_mdio:
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1864 iounmap(priv->base);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1865 err_ioremap:
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1866 release_resource(priv->res);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1867 err_req_mem:
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1868 free_netdev(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1869 err_alloc_etherdev:
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1870 return err;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1871 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1872
> be12502e2e64854 drivers/net/ethernet/faraday/ftgmac100.c Dmitry
> Torokhov 2017-03-01 1873 static int ftgmac100_remove(struct
> platform_device *pdev)
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1874 {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1875 struct net_device *netdev;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1876 struct ftgmac100 *priv;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1877
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1878 netdev =
> platform_get_drvdata(pdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1879 priv = netdev_priv(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1880
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1881 unregister_netdev(netdev);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1882
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1883 clk_disable_unprepare(priv->clk);
> 4b70c62b9eafcee drivers/net/ethernet/faraday/ftgmac100.c Joel
> Stanley 2017-10-13 1884
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1885 /* There's a small chance the reset
> task will have been re-queued,
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1886 * during stop, make sure it's gone
> before we free the structure.
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1887 */
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1888 cancel_work_sync(&priv->reset_task);
> 855944ce1cc4037 drivers/net/ethernet/faraday/ftgmac100.c Benjamin
> Herrenschmidt 2017-04-05 1889
> eb4181849f58f31 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1890 ftgmac100_destroy_mdio(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1891
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1892 iounmap(priv->base);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1893 release_resource(priv->res);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1894
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1895 netif_napi_del(&priv->napi);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1896 free_netdev(netdev);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1897 return 0;
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1898 }
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1899
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1900 static const struct of_device_id
> ftgmac100_of_match[] = {
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1901 { .compatible = "faraday,ftgmac100" },
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1902 { }
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1903 };
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1904 MODULE_DEVICE_TABLE(of,
> ftgmac100_of_match);
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1905
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1906 static struct platform_driver
> ftgmac100_driver = {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1907 .probe = ftgmac100_probe,
> be12502e2e64854 drivers/net/ethernet/faraday/ftgmac100.c Dmitry
> Torokhov 2017-03-01 1908 .remove = ftgmac100_remove,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1909 .driver = {
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1910 .name = DRV_NAME,
> bb168e2e9e512e6 drivers/net/ethernet/faraday/ftgmac100.c Gavin Shan
> 2016-07-19 1911 .of_match_table = ftgmac100_of_match,
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1912 },
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1913 };
> 14f645d0deb4d18 drivers/net/ethernet/faraday/ftgmac100.c Sachin
> Kamat 2013-03-18 1914
> module_platform_driver(ftgmac100_driver);
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1915
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1916 MODULE_AUTHOR("Po-Yu Chuang
> <ratbert@faraday-tech.com>");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1917 MODULE_DESCRIPTION("FTGMAC100
> driver");
> 69785b79ca9b1ac drivers/net/ftgmac100.c Po-Yu
> Chuang 2011-06-08 1918 MODULE_LICENSE("GPL");
>
> :::::: The code at line 777 was first introduced by commit
> :::::: 6db7470445f0757d2e8f23f57d86611338717ebe ftgmac100: Add
> support for fragmented tx
>
> :::::: TO: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> :::::: CC: David S. Miller <davem@davemloft.net>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
2019-07-23 8:58 ` René van Dorst
@ 2019-07-23 11:52 ` Matthew Wilcox
2019-07-23 12:45 ` René van Dorst
2019-07-23 18:50 ` David Miller
2019-07-23 18:46 ` David Miller
1 sibling, 2 replies; 6+ messages in thread
From: Matthew Wilcox @ 2019-07-23 11:52 UTC (permalink / raw)
To: René van Dorst; +Cc: kbuild-all, netdev, davem
On Tue, Jul 23, 2019 at 08:58:44AM +0000, René van Dorst wrote:
> Hi Matthew,
>
> I see the same issue for the mediatek/mtk_eth_soc driver.
Thanks, Rene. The root problem for both of these drivers is that neither
are built on x86 with CONFIG_COMPILE_TEST. Is it possible to fix this?
An untested patch to fix both of these problems (and two more that I
spotted):
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index 211607986134..70b00ae4ec38 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -2580,10 +2580,9 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
slot = 0;
}
- tpd->iovec[slot].addr = dma_map_single(&he_dev->pci_dev->dev,
- (void *) page_address(frag->page) + frag->page_offset,
- frag->size, DMA_TO_DEVICE);
- tpd->iovec[slot].len = frag->size;
+ tpd->iovec[slot].addr = skb_frag_dma_map(&he_dev->pci_dev->dev,
+ frag, 0, skb_frag_size(frag), DMA_TO_DEVICE);
+ tpd->iovec[slot].len = skb_frag_size(frag);
++slot;
}
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 030fed65393e..dc8d3e726e75 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -774,7 +774,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb,
for (i = 0; i < nfrags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- len = frag->size;
+ len = skb_frag_size(frag);
/* Map it */
map = skb_frag_dma_map(priv->dev, frag, 0, len,
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index f38c3fa7d705..9c4d1afa34e5 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -1958,7 +1958,7 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
/* populate the rest of SGT entries */
for (i = 0; i < nr_frags; i++) {
frag = &skb_shinfo(skb)->frags[i];
- frag_len = frag->size;
+ frag_len = skb_frag_size(frag);
WARN_ON(!skb_frag_page(frag));
addr = skb_frag_dma_map(dev, frag, 0,
frag_len, dma_dir);
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 00991df44ed6..e529d86468b8 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -787,7 +787,8 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb)
if (skb_is_gso(skb)) {
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
frag = &skb_shinfo(skb)->frags[i];
- nfrags += DIV_ROUND_UP(frag->size, MTK_TX_DMA_BUF_LEN);
+ nfrags += DIV_ROUND_UP(skb_frag_size(frag),
+ MTK_TX_DMA_BUF_LEN);
}
} else {
nfrags += skb_shinfo(skb)->nr_frags;
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
2019-07-23 11:52 ` Matthew Wilcox
@ 2019-07-23 12:45 ` René van Dorst
2019-07-23 18:50 ` David Miller
1 sibling, 0 replies; 6+ messages in thread
From: René van Dorst @ 2019-07-23 12:45 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: kbuild-all, netdev, davem
Quoting Matthew Wilcox <willy@infradead.org>:
> On Tue, Jul 23, 2019 at 08:58:44AM +0000, René van Dorst wrote:
>> Hi Matthew,
>>
>> I see the same issue for the mediatek/mtk_eth_soc driver.
>
> Thanks, Rene. The root problem for both of these drivers is that neither
> are built on x86 with CONFIG_COMPILE_TEST. Is it possible to fix this?
>
> An untested patch to fix both of these problems (and two more that I
> spotted):
Hi Matthew,
Your patch fixes the build error.
I am not sure if iperf3 also triggers this code on my mt7621 device.
iperf3 results seems normal.
Greats,
René
>
> diff --git a/drivers/atm/he.c b/drivers/atm/he.c
> index 211607986134..70b00ae4ec38 100644
> --- a/drivers/atm/he.c
> +++ b/drivers/atm/he.c
> @@ -2580,10 +2580,9 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
> slot = 0;
> }
>
> - tpd->iovec[slot].addr = dma_map_single(&he_dev->pci_dev->dev,
> - (void *) page_address(frag->page) + frag->page_offset,
> - frag->size, DMA_TO_DEVICE);
> - tpd->iovec[slot].len = frag->size;
> + tpd->iovec[slot].addr = skb_frag_dma_map(&he_dev->pci_dev->dev,
> + frag, 0, skb_frag_size(frag), DMA_TO_DEVICE);
> + tpd->iovec[slot].len = skb_frag_size(frag);
> ++slot;
>
> }
> diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> b/drivers/net/ethernet/faraday/ftgmac100.c
> index 030fed65393e..dc8d3e726e75 100644
> --- a/drivers/net/ethernet/faraday/ftgmac100.c
> +++ b/drivers/net/ethernet/faraday/ftgmac100.c
> @@ -774,7 +774,7 @@ static netdev_tx_t
> ftgmac100_hard_start_xmit(struct sk_buff *skb,
> for (i = 0; i < nfrags; i++) {
> skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
>
> - len = frag->size;
> + len = skb_frag_size(frag);
>
> /* Map it */
> map = skb_frag_dma_map(priv->dev, frag, 0, len,
> diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> index f38c3fa7d705..9c4d1afa34e5 100644
> --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> @@ -1958,7 +1958,7 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
> /* populate the rest of SGT entries */
> for (i = 0; i < nr_frags; i++) {
> frag = &skb_shinfo(skb)->frags[i];
> - frag_len = frag->size;
> + frag_len = skb_frag_size(frag);
> WARN_ON(!skb_frag_page(frag));
> addr = skb_frag_dma_map(dev, frag, 0,
> frag_len, dma_dir);
> diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> index 00991df44ed6..e529d86468b8 100644
> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> @@ -787,7 +787,8 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb)
> if (skb_is_gso(skb)) {
> for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
> frag = &skb_shinfo(skb)->frags[i];
> - nfrags += DIV_ROUND_UP(frag->size, MTK_TX_DMA_BUF_LEN);
> + nfrags += DIV_ROUND_UP(skb_frag_size(frag),
> + MTK_TX_DMA_BUF_LEN);
> }
> } else {
> nfrags += skb_shinfo(skb)->nr_frags;
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
2019-07-23 8:58 ` René van Dorst
2019-07-23 11:52 ` Matthew Wilcox
@ 2019-07-23 18:46 ` David Miller
1 sibling, 0 replies; 6+ messages in thread
From: David Miller @ 2019-07-23 18:46 UTC (permalink / raw)
To: opensource; +Cc: willy, kbuild-all, netdev
Fixes as follows:
====================
From 084323f62b0b976c9fd931d86c5d2553af5eb9f7 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 23 Jul 2019 11:45:44 -0700
Subject: [PATCH] ftgmac100: Fix build.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
Fallout from the skb_frag_t conversion to bio_vec, simply
use skb_frag_size().
Fixes: b8b576a16f79 ("net: Rename skb_frag_t size to bv_len")
Reported-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/faraday/ftgmac100.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 030fed65393e..dc8d3e726e75 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -774,7 +774,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb,
for (i = 0; i < nfrags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- len = frag->size;
+ len = skb_frag_size(frag);
/* Map it */
map = skb_frag_dma_map(priv->dev, frag, 0, len,
--
2.20.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size'
2019-07-23 11:52 ` Matthew Wilcox
2019-07-23 12:45 ` René van Dorst
@ 2019-07-23 18:50 ` David Miller
1 sibling, 0 replies; 6+ messages in thread
From: David Miller @ 2019-07-23 18:50 UTC (permalink / raw)
To: willy; +Cc: opensource, kbuild-all, netdev
From: Matthew Wilcox <willy@infradead.org>
Date: Tue, 23 Jul 2019 04:52:38 -0700
> On Tue, Jul 23, 2019 at 08:58:44AM +0000, René van Dorst wrote:
>> Hi Matthew,
>>
>> I see the same issue for the mediatek/mtk_eth_soc driver.
>
> Thanks, Rene. The root problem for both of these drivers is that neither
> are built on x86 with CONFIG_COMPILE_TEST. Is it possible to fix this?
>
> An untested patch to fix both of these problems (and two more that I
> spotted):
I took care of the ftgmac100 case in the net-next tree, sorry I didn't see
this first...
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-07-23 18:50 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2019-07-23 6:22 [net-next:master 13/14] drivers/net/ethernet/faraday/ftgmac100.c:777:13: error: 'skb_frag_t {aka struct bio_vec}' has no member named 'size' kbuild test robot
2019-07-23 8:58 ` René van Dorst
2019-07-23 11:52 ` Matthew Wilcox
2019-07-23 12:45 ` René van Dorst
2019-07-23 18:50 ` David Miller
2019-07-23 18:46 ` David Miller
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