diff options
| author | Ben Pfaff <blp@nicira.com> | 2011-11-28 13:49:12 -0800 |
|---|---|---|
| committer | Ben Pfaff <blp@nicira.com> | 2011-12-01 08:45:42 -0800 |
| commit | e028de5bb928d7752a19ca0c6396e17971847289 (patch) | |
| tree | 1e6791fde6d0c2ad0c8915b3c75eb317f0d91512 /utilities | |
| parent | b080ed09d1299cb80234916d3a3035928f0ace59 (diff) | |
ovs-vlan-bugs: Document driver bug with priority tagged packets.
Reported-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'utilities')
| -rw-r--r-- | utilities/ovs-vlan-bugs.man | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/utilities/ovs-vlan-bugs.man b/utilities/ovs-vlan-bugs.man index bdca8fcc..1e62d16e 100644 --- a/utilities/ovs-vlan-bugs.man +++ b/utilities/ovs-vlan-bugs.man @@ -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. |