Commit 69d25a6c authored by Long Li's avatar Long Li Committed by Jakub Kicinski
Browse files

hv_netvsc: Check VF datapath when sending traffic to VF 



The driver needs to check if the datapath has been switched to VF before
sending traffic to VF.

Signed-off-by: default avatarLong Li <longli@microsoft.com>
Reviewed-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2c82b7fe

drivers/net/hyperv/netvsc_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -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