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

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
......@@ -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),
......
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