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hyperv/hn: Re-set datapath after synthetic parts reattached.

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Do this even for non-transparent mode VF. Better safe than sorry.

MFC after:	3 days
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D11981
This commit is contained in:
Sepherosa Ziehau 2017-08-14 05:55:16 +00:00
parent c2d50b263f
commit d0cd8231e0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=322487
1 changed files with 2 additions and 1 deletions
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3
sys/dev/hyperv/netvsc/if_hn.c
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@ -3403,7 +3403,8 @@ hn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
*/
hn_resume(sc);
if (sc->hn_xvf_flags & HN_XVFFLAG_ENABLED) {
if ((sc->hn_flags & HN_FLAG_RXVF) ||
(sc->hn_xvf_flags & HN_XVFFLAG_ENABLED)) {
/*
* Since we have reattached the NVS part,
* change the datapath to VF again; in case