diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/702-v5.19-33-net-ethernet-mtk_eth_soc-enable-rx-cksum-offload-for.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/702-v5.19-33-net-ethernet-mtk_eth_soc-enable-rx-cksum-offload-for.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/702-v5.19-33-net-ethernet-mtk_eth_soc-enable-rx-cksum-offload-for.patch b/target/linux/generic/backport-5.15/702-v5.19-33-net-ethernet-mtk_eth_soc-enable-rx-cksum-offload-for.patch new file mode 100644 index 0000000000..6341190917 --- /dev/null +++ b/target/linux/generic/backport-5.15/702-v5.19-33-net-ethernet-mtk_eth_soc-enable-rx-cksum-offload-for.patch @@ -0,0 +1,47 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Mon, 6 Jun 2022 21:49:00 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: enable rx cksum offload for + MTK_NETSYS_V2 + +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> +--- + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1451,8 +1451,8 @@ static int mtk_poll_rx(struct napi_struc + 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; +@@ -1516,7 +1516,13 @@ static int mtk_poll_rx(struct napi_struc + 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); +@@ -3739,6 +3745,7 @@ static const struct mtk_soc_data mt7986_ + .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, + }, |