| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- From: Lorenzo Bianconi <[email protected]>
- 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 <[email protected]>
- Link: https://lore.kernel.org/r/c8699805c18f7fd38315fcb8da2787676d83a32c.1654544585.git.lorenzo@kernel.org
- Signed-off-by: Jakub Kicinski <[email protected]>
- ---
- --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
- +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
- @@ -1473,8 +1473,8 @@ 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;
- @@ -1541,7 +1541,13 @@ 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);
- @@ -3765,6 +3771,7 @@ 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,
- },
|
