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b55d3d6904
Manually rebased generic/hack-5.4/662-remove_pfifo_fast.patch ramips/patches-5.4/0048-asoc-add-mt7620-support.patch All others updated automatically. Compile-tested on: armvirt/64, x86/generic, ath79/generic, ramips/mt7621 Runtime-tested on: armvirt/64, x86/generic, ath79/generic Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
42 lines
1.1 KiB
Diff
42 lines
1.1 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Sun, 13 Sep 2020 08:27:24 +0200
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Subject: [PATCH] net: ethernet: mtk_eth_soc: set PPE flow hash as skb hash
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if present
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This improves GRO performance
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -19,6 +19,7 @@
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#include <linux/interrupt.h>
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#include <linux/pinctrl/devinfo.h>
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#include <linux/phylink.h>
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+#include <linux/jhash.h>
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#include <net/dsa.h>
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#include "mtk_eth_soc.h"
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@@ -1267,6 +1268,7 @@ static int mtk_poll_rx(struct napi_struc
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struct net_device *netdev;
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unsigned int pktlen;
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dma_addr_t dma_addr;
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+ u32 hash;
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int mac;
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ring = mtk_get_rx_ring(eth);
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@@ -1336,6 +1338,12 @@ static int mtk_poll_rx(struct napi_struc
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skb->protocol = eth_type_trans(skb, netdev);
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bytes += pktlen;
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+ hash = trxd.rxd4 & GENMASK(13, 0);
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+ if (hash != GENMASK(13, 0)) {
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+ hash = jhash_1word(hash, 0);
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+ skb_set_hash(skb, hash, PKT_HASH_TYPE_L4);
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+ }
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+
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if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
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(trxd.rxd2 & RX_DMA_VTAG))
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__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
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