[PATCH net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2

[PATCH net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2

[Lorenzo Bianconi]

Enable rx checksum offload for mt7986 chipset.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b3b3c079a0fa..9d7700984e9b 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1433,8 +1433,8 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
 	int done = 0, bytes = 0;
 
 	while (done < budget) {
+		unsigned int pktlen, *rxdcsum;
 		struct net_device *netdev;
-		unsigned int pktlen;
 		dma_addr_t dma_addr;
 		u32 hash, reason;
 		int mac = 0;
@@ -1498,7 +1498,13 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
 		pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
 		skb->dev = netdev;
 		skb_put(skb, pktlen);
-		if (trxd.rxd4 & eth->soc->txrx.rx_dma_l4_valid)
+
+		if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
+			rxdcsum = &trxd.rxd3;
+		else
+			rxdcsum = &trxd.rxd4;
+
+		if (*rxdcsum & eth->soc->txrx.rx_dma_l4_valid)
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 		else
 			skb_checksum_none_assert(skb);
@@ -3744,6 +3750,7 @@ static const struct mtk_soc_data mt7986_data = {
 		.txd_size = sizeof(struct mtk_tx_dma_v2),
 		.rxd_size = sizeof(struct mtk_rx_dma_v2),
 		.rx_irq_done_mask = MTK_RX_DONE_INT_V2,
+		.rx_dma_l4_valid = RX_DMA_L4_VALID_V2,
 		.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
 		.dma_len_offset = 8,
 	},
-- 
2.35.3

Re: [PATCH net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Mon,  6 Jun 2022 21:49:00 +0200 you wrote:
> Enable rx checksum offload for mt7986 chipset.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
>  drivers/net/ethernet/mediatek/mtk_eth_soc.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)

Here is the summary with links:
  - [net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2
    https://git.kernel.org/netdev/net-next/c/da6e113ff010

You are awesome, thank you!
-- 
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