From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
To: Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Cc: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Subject: [PATCH net-next 13/14] net: ethernet: mtk_eth_soc: set PPE flow hash as skb hash if present
Date: Wed, 21 Apr 2021 21:09:13 -0700 [thread overview]
Message-ID: <20210422040914.47788-14-ilya.lipnitskiy@gmail.com> (raw)
In-Reply-To: <20210422040914.47788-1-ilya.lipnitskiy@gmail.com>
From: Felix Fietkau <nbd@nbd.name>
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>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 88a437f478fd..8c863322587e 100644
--- 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"
@@ -1248,6 +1249,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
struct net_device *netdev;
unsigned int pktlen;
dma_addr_t dma_addr;
+ u32 hash;
int mac;
ring = mtk_get_rx_ring(eth);
@@ -1317,6 +1319,12 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
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),
--
2.31.1
next prev parent reply other threads:[~2021-04-22 4:11 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 4:09 [PATCH net-next 00/14] mtk_eth_soc: fixes and performance improvements Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 01/14] net: ethernet: mtk_eth_soc: fix RX VLAN offload Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 02/14] net: ethernet: mtk_eth_soc: unmap RX data before calling build_skb Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 03/14] net: ethernet: mtk_eth_soc: fix build_skb cleanup Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 04/14] net: ethernet: mtk_eth_soc: use napi_consume_skb Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 05/14] net: ethernet: mtk_eth_soc: reduce MDIO bus access latency Ilya Lipnitskiy
2021-04-22 12:18 ` Andrew Lunn
2021-04-22 12:33 ` Felix Fietkau
2021-04-23 4:16 ` Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 06/14] net: ethernet: mtk_eth_soc: remove unnecessary TX queue stops Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 07/14] net: ethernet: mtk_eth_soc: use larger burst size for QDMA TX Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 08/14] net: ethernet: mtk_eth_soc: increase DMA ring sizes Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 09/14] net: ethernet: mtk_eth_soc: implement dynamic interrupt moderation Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 10/14] net: ethernet: mtk_eth_soc: cache HW pointer of last freed TX descriptor Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 11/14] net: ethernet: mtk_eth_soc: only read the full RX descriptor if DMA is done Ilya Lipnitskiy
2021-04-22 4:09 ` [PATCH net-next 12/14] net: ethernet: mtk_eth_soc: reduce unnecessary interrupts Ilya Lipnitskiy
2021-04-22 16:26 ` Jakub Kicinski
2021-04-23 4:20 ` Ilya Lipnitskiy
2021-04-22 4:09 ` Ilya Lipnitskiy [this message]
2021-04-22 4:09 ` [PATCH net-next 14/14] net: ethernet: mtk_eth_soc: use iopoll.h macro for DMA init Ilya Lipnitskiy
2021-04-22 12:20 ` Andrew Lunn
2021-04-22 12:23 ` [PATCH net-next 00/14] mtk_eth_soc: fixes and performance improvements Andrew Lunn
2021-04-23 4:18 ` Ilya Lipnitskiy
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