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From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 13 Sep 2020 08:27:24 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: set PPE flow hash as skb hash
if present
This improves GRO performance
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1318,6 +1318,10 @@ static int mtk_poll_rx(struct napi_struc
skb->protocol = eth_type_trans(skb, netdev);
bytes += pktlen;
+ hash = trxd.rxd4 & GENMASK(13, 0);
+ if (hash != GENMASK(13, 0))
+ skb_set_hash(skb, hash, PKT_HASH_TYPE_L4);
+
if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
(trxd.rxd2 & RX_DMA_VTAG))
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
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