diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-04-23 08:21:07 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-23 23:31:58 +0300 |
| commit | fa817272c37ef78e25dc14e4760ac78a7043a18a (patch) | |
| tree | 38a05e6ace1d98b68796391d888fb675b3b636ca /drivers | |
| parent | db2c7b353db3b3f71b55f9ff4627d8a786446fbe (diff) | |
| download | linux-fa817272c37ef78e25dc14e4760ac78a7043a18a.tar.xz | |
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>
[Ilya: Use MTK_RXD4_FOE_ENTRY instead of GENMASK(13, 0)]
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 8faf8fb1c83a..37e50a2e7d0e 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -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), |