tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e99332e7b4cda6e60f5b5916cf9943a79dbef902
commit: 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e cxgb4/chcr: complete record tx handling
date:   9 weeks ago
config: alpha-randconfig-r036-20200510 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   alpha-linux-ld: drivers/crypto/chelsio/chcr_ktls.o: in function `tls_is_sk_tx_device_offloaded':
>> include/net/tls.h:431: undefined reference to `tls_validate_xmit_skb'
   alpha-linux-ld: drivers/crypto/chelsio/chcr_ktls.o: in function `chcr_ktls_xmit':
>> drivers/crypto/chelsio/chcr_ktls.c:1078: undefined reference to `tls_get_record'
>> alpha-linux-ld: drivers/crypto/chelsio/chcr_ktls.c:1078: undefined reference to `tls_get_record'

vim +1078 drivers/crypto/chelsio/chcr_ktls.c

   996	
   997	/* nic tls TX handler */
   998	int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev)
   999	{
  1000		struct chcr_ktls_ofld_ctx_tx *tx_ctx;
  1001		struct tcphdr *th = tcp_hdr(skb);
  1002		int data_len, qidx, ret = 0, mss;
  1003		struct tls_record_info *record;
  1004		struct chcr_ktls_info *tx_info;
  1005		u32 tls_end_offset, tcp_seq;
  1006		struct tls_context *tls_ctx;
  1007		struct sk_buff *local_skb;
  1008		int new_connection_state;
  1009		struct sge_eth_txq *q;
  1010		struct adapter *adap;
  1011		unsigned long flags;
  1012	
  1013		tcp_seq = ntohl(th->seq);
  1014	
  1015		mss = skb_is_gso(skb) ? skb_shinfo(skb)->gso_size : skb->data_len;
  1016	
  1017		/* check if we haven't set it for ktls offload */
  1018		if (!skb->sk || !tls_is_sk_tx_device_offloaded(skb->sk))
  1019			goto out;
  1020	
  1021		tls_ctx = tls_get_ctx(skb->sk);
  1022		if (unlikely(tls_ctx->netdev != dev))
  1023			goto out;
  1024	
  1025		tx_ctx = chcr_get_ktls_tx_context(tls_ctx);
  1026		tx_info = tx_ctx->chcr_info;
  1027	
  1028		if (unlikely(!tx_info))
  1029			goto out;
  1030	
  1031		/* check the connection state, we don't need to pass new connection
  1032		 * state, state machine will check and update the new state if it is
  1033		 * stuck due to responses not received from HW.
  1034		 * Start the tx handling only if state is KTLS_CONN_TX_READY.
  1035		 */
  1036		new_connection_state = chcr_ktls_update_connection_state(tx_info, 0);
  1037		if (new_connection_state != KTLS_CONN_TX_READY)
  1038			goto out;
  1039	
  1040		/* don't touch the original skb, make a new skb to extract each records
  1041		 * and send them separately.
  1042		 */
  1043		local_skb = alloc_skb(0, GFP_KERNEL);
  1044	
  1045		if (unlikely(!local_skb))
  1046			return NETDEV_TX_BUSY;
  1047	
  1048		adap = tx_info->adap;
  1049		qidx = skb->queue_mapping;
  1050		q = &adap->sge.ethtxq[qidx + tx_info->first_qset];
  1051		cxgb4_reclaim_completed_tx(adap, &q->q, true);
  1052		/* update tcb */
  1053		ret = chcr_ktls_xmit_tcb_cpls(tx_info, q, ntohl(th->seq),
  1054					      ntohl(th->ack_seq),
  1055					      ntohs(th->window));
  1056		if (ret) {
  1057			dev_kfree_skb_any(local_skb);
  1058			return NETDEV_TX_BUSY;
  1059		}
  1060	
  1061		/* copy skb contents into local skb */
  1062		chcr_ktls_skb_copy(skb, local_skb);
  1063	
  1064		/* go through the skb and send only one record at a time. */
  1065		data_len = skb->data_len;
  1066		/* TCP segments can be in received from host either complete or partial.
  1067		 * chcr_end_part_handler will handle cases if complete record or end
  1068		 * part of the record is received. Incase of partial end part of record,
  1069		 * we will send the complete record again.
  1070		 */
  1071		do {
  1072			int i;
  1073	
  1074			cxgb4_reclaim_completed_tx(adap, &q->q, true);
  1075			/* lock taken */
  1076			spin_lock_irqsave(&tx_ctx->base.lock, flags);
  1077			/* fetch the tls record */
> 1078			record = tls_get_record(&tx_ctx->base, tcp_seq,

---
0-DAY CI Kernel Test Service, Intel Corporation
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