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(parent: c41a230) | 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)
commit1be06ae59c8ebefeff3de61d2fce486c103ef43a
tree93707814d0484d4e9e1be941eb8baa4eba742e42tree | snapshot
parentc41a230d0f92588f1637a075944d0a84ff994ea3commit | 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.