From: Lorenzo Bianconi <lorenzo@kernel.org> To: netdev@vger.kernel.org Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, Sam.Shih@mediatek.com, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, robh@kernel.org, lorenzo.bianconi@redhat.com Subject: [PATCH v3 net-next 10/16] net: ethernet: mtk_eth_soc: rely on txd_size field in mtk_poll_tx/mtk_poll_rx Date: Fri, 20 May 2022 20:11:33 +0200 [thread overview] Message-ID: <6b20d0ac8cde94c6f5057004a60bde2b3ae37702.1653069056.git.lorenzo@kernel.org> (raw) In-Reply-To: <cover.1653069056.git.lorenzo@kernel.org> This is a preliminary to ad mt7986 ethernet support. Tested-by: Sam Shih <sam.shih@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 7c4e63cc7c2a..c7820dbc75f1 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1235,9 +1235,12 @@ static struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth) return ð->rx_ring[0]; for (i = 0; i < MTK_MAX_RX_RING_NUM; i++) { + struct mtk_rx_dma *rxd; + ring = ð->rx_ring[i]; idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); - if (ring->dma[idx].rxd2 & RX_DMA_DONE) { + rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size; + if (rxd->rxd2 & RX_DMA_DONE) { ring->calc_idx_update = true; return ring; } @@ -1288,7 +1291,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, goto rx_done; idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); - rxd = &ring->dma[idx]; + rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size; data = ring->data[idx]; if (!mtk_rx_get_desc(&trxd, rxd)) @@ -1477,7 +1480,7 @@ static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget, mtk_tx_unmap(eth, tx_buf, true); - desc = &ring->dma[cpu]; + desc = (void *)ring->dma + cpu * eth->soc->txrx.txd_size; ring->last_free = desc; atomic_inc(&ring->free_count); -- 2.35.3
WARNING: multiple messages have this Message-ID (diff)
From: Lorenzo Bianconi <lorenzo@kernel.org> To: netdev@vger.kernel.org Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, Sam.Shih@mediatek.com, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, robh@kernel.org, lorenzo.bianconi@redhat.com Subject: [PATCH v3 net-next 10/16] net: ethernet: mtk_eth_soc: rely on txd_size field in mtk_poll_tx/mtk_poll_rx Date: Fri, 20 May 2022 20:11:33 +0200 [thread overview] Message-ID: <6b20d0ac8cde94c6f5057004a60bde2b3ae37702.1653069056.git.lorenzo@kernel.org> (raw) In-Reply-To: <cover.1653069056.git.lorenzo@kernel.org> This is a preliminary to ad mt7986 ethernet support. Tested-by: Sam Shih <sam.shih@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 7c4e63cc7c2a..c7820dbc75f1 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1235,9 +1235,12 @@ static struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth) return ð->rx_ring[0]; for (i = 0; i < MTK_MAX_RX_RING_NUM; i++) { + struct mtk_rx_dma *rxd; + ring = ð->rx_ring[i]; idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); - if (ring->dma[idx].rxd2 & RX_DMA_DONE) { + rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size; + if (rxd->rxd2 & RX_DMA_DONE) { ring->calc_idx_update = true; return ring; } @@ -1288,7 +1291,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, goto rx_done; idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); - rxd = &ring->dma[idx]; + rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size; data = ring->data[idx]; if (!mtk_rx_get_desc(&trxd, rxd)) @@ -1477,7 +1480,7 @@ static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget, mtk_tx_unmap(eth, tx_buf, true); - desc = &ring->dma[cpu]; + desc = (void *)ring->dma + cpu * eth->soc->txrx.txd_size; ring->last_free = desc; atomic_inc(&ring->free_count); -- 2.35.3 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2022-05-20 18:13 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-20 18:11 [PATCH v3 net-next 00/16] introduce mt7986 ethernet support Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 01/16] arm64: dts: mediatek: mt7986: introduce ethernet nodes Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 02/16] dt-bindings: net: mediatek,net: add mt7986-eth binding Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 02/16] dt-bindings: net: mediatek, net: " Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 03/16] net: ethernet: mtk_eth_soc: rely on GFP_KERNEL for dma_alloc_coherent whenever possible Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 04/16] net: ethernet: mtk_eth_soc: move tx dma desc configuration in mtk_tx_set_dma_desc Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 05/16] net: ethernet: mtk_eth_soc: add txd_size to mtk_soc_data Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 06/16] net: ethernet: mtk_eth_soc: rely on txd_size in mtk_tx_alloc/mtk_tx_clean Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 07/16] net: ethernet: mtk_eth_soc: rely on txd_size in mtk_desc_to_tx_buf Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 08/16] net: ethernet: mtk_eth_soc: rely on txd_size in txd_to_idx Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 09/16] net: ethernet: mtk_eth_soc: add rxd_size to mtk_soc_data Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi [this message] 2022-05-20 18:11 ` [PATCH v3 net-next 10/16] net: ethernet: mtk_eth_soc: rely on txd_size field in mtk_poll_tx/mtk_poll_rx Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 11/16] net: ethernet: mtk_eth_soc: rely on rxd_size field in mtk_rx_alloc/mtk_rx_clean Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 12/16] net: ethernet: mtk_eth_soc: introduce device register map Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 13/16] net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 14/16] net: ethernet: mtk_eth_soc: convert ring dma pointer to void Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 15/16] net: ethernet: mtk_eth_soc: convert scratch_ring " Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-20 18:11 ` [PATCH v3 net-next 16/16] net: ethernet: mtk_eth_soc: introduce support for mt7986 chipset Lorenzo Bianconi 2022-05-20 18:11 ` Lorenzo Bianconi 2022-05-21 1:25 ` [PATCH v3 net-next 00/16] introduce mt7986 ethernet support Jakub Kicinski 2022-05-21 1:25 ` Jakub Kicinski
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