Messages in this thread Patch in this message | | | From | Long Li <> | Subject | [PATCH v2 1/3] hv_netvsc: Check VF datapath when sending traffic to VF | Date | Fri, 8 Jan 2021 16:53:41 -0800 |
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From: Long Li <longli@microsoft.com>
The driver needs to check if the datapath has been switched to VF before sending traffic to VF.
Signed-off-by: Long Li <longli@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> --- drivers/net/hyperv/netvsc_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index f32f28311d57..5dd4f37afa3d 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -539,7 +539,8 @@ static int netvsc_xmit(struct sk_buff *skb, struct net_device *net, bool xdp_tx) */ vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev); if (vf_netdev && netif_running(vf_netdev) && - netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net)) + netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net) && + net_device_ctx->data_path_is_vf) return netvsc_vf_xmit(net, vf_netdev, skb); /* We will atmost need two pages to describe the rndis -- 2.27.0
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