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(parent: 8defdec) | patch
netvsc: force link update after MTU change
authorstephen hemminger <stephen@networkplumber.org>
Wed, 19 Jul 2017 18:53:12 +0000 (11:53 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 20 Jul 2017 05:20:05 +0000 (22:20 -0700)
commite138a6cc38a1cddb05978b6272f6551753554538
tree93707814d0484d4e9e1be941eb8baa4eba742e42tree | snapshot
parent8defdec6a68edbc0e6dca8c42bb96b7379c47c8bcommit | diff
netvsc: force link update after MTU change

If two MTU changes are in less than update interval (2 seconds),
then the netvsc network device may get stuck with no carrier.

The netvsc driver debounces link status events which is fine
for unsolicited updates, but blocks getting the update after
down/up from MTU reinitialization.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hyperv/netvsc_drv.c diff | blob | history
Linux Kernel Source Tree.