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