mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-06 08:46:46 +00:00
Code Issues Releases Wiki Activity

hv_netvsc: Set needed_headroom according to VF

Browse source 
Set needed_headroom according to VF if VF needs a bigger
headroom.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang 2021-06-18 12:35:39 -07:00 committed by David S. Miller
parent 2b4cd14fd9
commit 536ba2e06d
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/net/hyperv/netvsc_drv.c
View file

@ -2384,6 +2384,9 @@ static int netvsc_register_vf(struct net_device *vf_netdev)
dev_hold(vf_netdev);
rcu_assign_pointer(net_device_ctx->vf_netdev, vf_netdev);
if (ndev->needed_headroom < vf_netdev->needed_headroom)
ndev->needed_headroom = vf_netdev->needed_headroom;
vf_netdev->wanted_features = ndev->features;
netdev_update_features(vf_netdev);
@ -2462,6 +2465,8 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev)
RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);
dev_put(vf_netdev);
ndev->needed_headroom = RNDIS_AND_PPI_SIZE;
return NOTIFY_OK;
}