diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/770-14-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/770-14-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/770-14-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch b/target/linux/generic/pending-5.10/770-14-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch new file mode 100644 index 0000000000..e94b352b9c --- /dev/null +++ b/target/linux/generic/pending-5.10/770-14-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch @@ -0,0 +1,41 @@ +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 +@@ -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 & GENMASK(13, 0); ++ if (hash != GENMASK(13, 0)) { ++ 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), |