Commit da6e113f authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Jakub Kicinski
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net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2 



Enable rx checksum offload for mt7986 chipset.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/c8699805c18f7fd38315fcb8da2787676d83a32c.1654544585.git.lorenzo@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 67074ae6

drivers/net/ethernet/mediatek/mtk_eth_soc.c

+9 −2
Original line number Diff line number Diff line
@@ -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,

	},