Bugzilla Automation <bugzi...@freebsd.org> has asked v...@freebsd.org for
maintainer-feedback:
Bug 242637: [patch] emulators/virtualbox-ose: fix bridging when the ng_ether
node name does not match the interface name
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242637
--- Description ---
This patch fixes bridging in cases where the interface's ng_ether netgraph node
name does not match its interface name.
This is commonly seen with VLANs configured in rc.conf; for example:
ifconfig_igb0="up"
vlans_igb0="12"
This will create an 'igb0.12' VLAN interface, but because '.' is a reserved
character in netgraph node names, the corresponding netgraph node will be named
'igb0_12':
Name: igb0_12 Type: ether ID: 00000007 Num hooks: 0
Currently, VBoxNetFlt assumes a 1:1 correspondence between interface name and
ng_ether node name; when attempting to bridge to igb0.12, the node named
"igb0.12" is not found, and VBoxNetFlt's netgraph initialization silently
fails.
Rather than assume the node name, this patch enumerates all ng_ether nodes,
using the NGM_ETHER_GET_IFNAME control message to identify the ng_ether node
corresponding to the target interface.
I've attached patches for the current emulators/virtualbox-ose port, as well as
a patch relative to the 6.1 patch posted on 2019-12-13
(https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234878).
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