diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch b/target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch new file mode 100644 index 0000000000..2355a4831d --- /dev/null +++ b/target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch @@ -0,0 +1,47 @@ +From fa817272c37ef78e25dc14e4760ac78a7043a18a Mon Sep 17 00:00:00 2001 +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 22 Apr 2021 22:21:07 -0700 +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> +[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> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +--- 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_struc + 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_struc + 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), |