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net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2

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[ Upstream commit da6e113ff010815fdd21ee1e9af2e8d179a2680f ]

Enable rx checksum offload for mt7986 chipset.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/c8699805c18f7fd38315fcb8da2787676d83a32c.1654544585.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2022-06-06 21:49:00 +02:00 committed by Greg Kroah-Hartman
parent 82fd140276
commit 2f23757084
1 changed files with 9 additions and 2 deletions
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11
drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@ -1444,8 +1444,8 @@ 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;
@ -1512,7 +1512,13 @@ 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);
@ -3761,6 +3767,7 @@ 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,
},