openwrt/target/linux/generic/backport-5.10/610-v5.13-50-net-ethernet-mtk_eth_soc-set-PPE-flow-hash-as-skb-ha.patch
John Audia 3ca9849589 kernel: bump 5.10 to 5.10.175
Manually rebased:
	backport-5.10/611-v5.12-net-ethernet-mediatek-support-setting-MTU.patch

Removed upstreamed:
	bcm47xx/patches-5.10/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch[1]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.175&id=cbf11ff3708ff163387da924f80a47ce7c721e9b

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-03-20 22:44:28 +01:00

48 lines
1.5 KiB
Diff

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"
@@ -1283,6 +1284,7 @@ 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);
@@ -1355,6 +1357,12 @@ 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),