Thread (6 messages) 6 messages, 2 authors, 2021-01-06

RE: [PATCH 3/3] hv_netvsc: Process NETDEV_GOING_DOWN on VF hot remove

From: Haiyang Zhang <haiyangz@microsoft.com>
Date: 2021-01-06 17:38:05
Also in: lkml, netdev

-----Original Message-----
From: Long Li <redacted>
Sent: Tuesday, January 5, 2021 8:16 PM
To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
[off-list ref]; Stephen Hemminger
[off-list ref]; Wei Liu [off-list ref]; David S. Miller
[off-list ref]; Jakub Kicinski [off-list ref]; linux-
hyperv@vger.kernel.org; netdev@vger.kernel.org; linux-
kernel@vger.kernel.org
Cc: Long Li <longli@microsoft.com>
Subject: [PATCH 3/3] hv_netvsc: Process NETDEV_GOING_DOWN on VF hot
remove

From: Long Li <longli@microsoft.com>

On VF hot remove, NETDEV_GOING_DOWN is sent to notify the VF is about
to go down. At this time, the VF is still sending/receiving traffic and we
request the VSP to switch datapath.

On completion, the datapath is switched to synthetic and we can proceed
with VF hot remove.

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
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