Commit fa817272 authored by Felix Fietkau's avatar Felix Fietkau Committed by David S. Miller
Browse files

net: ethernet: mtk_eth_soc: set PPE flow hash as skb hash if present 



This improves GRO performance

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
[Ilya: Use MTK_RXD4_FOE_ENTRY instead of GENMASK(13, 0)]
Signed-off-by: default avatarIlya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent db2c7b35

drivers/net/ethernet/mediatek/mtk_eth_soc.c

+8 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/interrupt.h>

#include <linux/pinctrl/devinfo.h>

#include <linux/phylink.h>

#include <linux/jhash.h>

#include <net/dsa.h>



#include "mtk_eth_soc.h"
@@ -1250,6 +1251,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, 
		struct net_device *netdev;

		unsigned int pktlen;

		dma_addr_t dma_addr;

		u32 hash;

		int mac;



		ring = mtk_get_rx_ring(eth);
@@ -1319,6 +1321,12 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, 
		skb->protocol = eth_type_trans(skb, netdev);

		bytes += pktlen;



		hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY;

		if (hash != MTK_RXD4_FOE_ENTRY) {

			hash = jhash_1word(hash, 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),