[Bug 274028] ng_bridge fails to learn MAC addresses if link is in different VNET
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Date: Sat, 23 Sep 2023 09:02:20 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274028
Marko Zec <zec@FreeBSD.org> changed:
What |Removed |Added
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CC| |zec@FreeBSD.org
--- Comment #1 from Marko Zec <zec@FreeBSD.org> ---
Created attachment 245156
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=245156&action=edit
Switch VNETs when injecting mbufs into netgraph
Good catch, thanks! However, the culprit here is not ng_bridge, but ng_eiface,
whic may be on lease to another vnet, while it remains bonded to its origin
vnet on the netgraph layer. In such circumstances, when injecting mbufs into
netgraph, ng_eiface should switch curvnet to that of the netgraph layer, which
it fails to. For the problem at hand, the attached patch would be a more
accurate fix, since it cures the cause, not the symptom.
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