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authorHaiyang Zhang <haiyangz@microsoft.com>2020-08-20 14:53:15 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-26 10:41:06 +0200
commit83236e697f79c561565400a454c0de4532a9aed8 (patch)
treebeed3ac47d80d7a67e5749b1fe473d43025b5951
parent2dd00ae408a99e6d6afdd2206250939d766a6ba8 (diff)
hv_netvsc: Fix the queue_mapping in netvsc_vf_xmit()
[ Upstream commit c3d897e01aef8ddc43149e4d661b86f823e3aae7 ] netvsc_vf_xmit() / dev_queue_xmit() will call VF NIC’s ndo_select_queue or netdev_pick_tx() again. They will use skb_get_rx_queue() to get the queue number, so the “skb->queue_mapping - 1” will be used. This may cause the last queue of VF not been used. Use skb_record_rx_queue() here, so that the skb_get_rx_queue() called later will get the correct queue number, and VF will be able to use all queues. Fixes: b3bf5666a510 ("hv_netvsc: defer queue selection to VF") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/hyperv/netvsc_drv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 24bb721a12bc..42eb7a7ecd96 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -501,7 +501,7 @@ static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev,
int rc;
skb->dev = vf_netdev;
- skb->queue_mapping = qdisc_skb_cb(skb)->slave_dev_queue_mapping;
+ skb_record_rx_queue(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
rc = dev_queue_xmit(skb);
if (likely(rc == NET_XMIT_SUCCESS || rc == NET_XMIT_CN)) {