Change Details

Given the simple netgraph infrastructure to extrude an 802.1ad vlan (2) from an interface (lagg1) (and vice versa) ``` + mkpeer lagg1 vlan lower downstream + name lagg1.lower vlag + msg vlag setencapproto 0x88A8 + mkpeer vlag eiface test ether + msg vlag addfilter { vid=2 hook="test" } ``` After applying the patch, the netgraph node ng_vlan(4) connected to the lower hook of ng_ether(4) is able to handle the frames accordingly to the ethertype correctly.

Given the simple netgraph infrastructure to extrude an 802.1ad vlan (2) from an interface (lagg1) (and vice versa) ``` + mkpeer lagg1 vlan lower downstream + name lagg1.lower vlag + msg vlag setencapproto 0x88A8 + mkpeer vlag eiface test ether + msg vlag addfilter { vid=2 hook="test" } + mkpeer vlag eiface nomatch ether # tcpdump -eni ngeth1 # nomatch ``` An unpatched 13-STABLE does spit out 802.1q frames on the "nomatch" hook which are displayed by tcpdump as ``` 09:22:35 aa:aa:aa:aa:aa > bb:bb:bb:bb:bb:bb ethertype 802.1Q (0x8100), length 68: vlan 2, p 0, ethertype ... ``` After applying the patch, the netgraph node ng_vlan(4) connected to the lower hook of ng_ether(4) is able to handle the frames accordingly to the ethertype correctly.

Given the simple netgraph infrastructure to extrude an 802.1ad vlan (2) from an interface (lagg1) (and vice versa) ``` + mkpeer lagg1 vlan lower downstream + name lagg1.lower vlag + msg vlag setencapproto 0x88A8 + mkpeer vlag eiface test ether + msg vlag addfilter { vid=2 hook="test" } + mkpeer vlag eiface nomatch ether # tcpdump -eni ngeth1 # nomatch ``` An unpatched 13-STABLE does spit out 802.1q frames on the "nomatch" hook which are displayed by tcpdump as ``` 09:22:35 aa:aa:aa:aa:aa > bb:bb:bb:bb:bb:bb ethertype 802.1Q (0x8100), length 68: vlan 2, p 0, ethertype ... ``` After applying the patch, the netgraph node ng_vlan(4) connected to the lower hook of ng_ether(4) is able to handle the frames accordingly to the ethertype correctly.