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be0639063a
Merged upstream: bcm27xx/patches-5.4/950-1014-Revert-mailbox-avoid-timer-start-from-callback.patch generic/backport-5.4/080-wireguard-0021-crypto-blake2s-generic-C-library-implementation-and-.patch Manually adapted: layerscape/patches-5.4/801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch oxnas/patches-5.4/100-oxnas-clk-plla-pllb.patch Compile-tested: lantiq/xrx200 Run-tested: lantiq/xrx200 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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@@ -1278,6 +1279,7 @@ 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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@@ -1350,6 +1352,12 @@ 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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