netdev - [PATCH] vmxnet3: Record queue number to incoming packets

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Message-Id: <20220717022050.822766-2-andrey.turkin@gmail.com>
Date:   Sun, 17 Jul 2022 02:20:50 +0000
From:   Andrey Turkin <andrey.turkin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Ronak Doshi <doshir@...are.com>,
        VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
        Andrey Turkin <andrey.turkin@...il.com>
Subject: [PATCH] vmxnet3: Record queue number to incoming packets

Make generic XDP processing attribute packets to their actual
queues instead of queue #0. This improves AF_XDP performance
considerably since softirq threads no longer fight over single
AF_XDP socket spinlock.

Signed-off-by: Andrey Turkin <andrey.turkin@...il.com>
---
 drivers/net/vmxnet3/vmxnet3_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 93e8d119d45f..479e640513dc 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1503,6 +1503,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
 					     hash_type);
 			}
 #endif
+			skb_record_rx_queue(ctx->skb, rq->qid);
 			skb_put(ctx->skb, rcd->len);
 
 			if (VMXNET3_VERSION_GE_2(adapter) &&
-- 
2.25.1