Commit e028de5b authored by Ben Pfaff's avatar Ben Pfaff

ovs-vlan-bugs: Document driver bug with priority tagged packets.

Reported-by: default avatarJesse Gross <jesse@nicira.com>
parent b080ed09
......@@ -6,6 +6,11 @@ the extracted tag. Drivers are supposed to only enable stripping if a
\fBvlan_group\fR is registered but not all of them do that.
.
.IP \(bu
On receive, some drivers handle priority tagged packets specially and
don't pass the tag onto the network stack at all, so Open vSwitch
never has a chance to see it.
.
.IP \(bu
Some drivers size their receive buffers based on whether a
\fBvlan_group\fR is enabled, meaning that a maximum size packet with a
VLAN tag will not fit if no \fBvlan_group\fR is configured.
......
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