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-rw-r--r--vswitchd/bridge.c2
-rw-r--r--vswitchd/vswitch.xml8
2 files changed, 7 insertions, 3 deletions
diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c
index 02a33293e..0702cc6ca 100644
--- a/vswitchd/bridge.c
+++ b/vswitchd/bridge.c
@@ -1026,6 +1026,8 @@ port_configure(struct port *port)
const char *pt = smap_get_def(&cfg->other_config, "priority-tags", "");
if (!strcmp(pt, "if-nonzero") || !strcmp(pt, "true")) {
s.use_priority_tags = PORT_PRIORITY_TAGS_IF_NONZERO;
+ } else if (!strcmp(pt, "always")) {
+ s.use_priority_tags = PORT_PRIORITY_TAGS_ALWAYS;
} else {
s.use_priority_tags = PORT_PRIORITY_TAGS_NEVER;
}
diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index 1613d3569..89c06a1b7 100644
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -1877,7 +1877,7 @@
<column name="other_config" key="priority-tags"
type='{"type": "string",
- "enum": ["set", ["never", "if-nonzero"]]}'>
+ "enum": ["set", ["never", "if-nonzero", "always"]]}'>
<p>
An 802.1Q header contains two important pieces of information: a VLAN
ID and a priority. A frame with a zero VLAN ID, called a
@@ -1894,8 +1894,10 @@
</p>
<p>
- Regardless of this setting, Open vSwitch omits the 802.1Q header on
- output if both the VLAN ID and priority would be zero.
+ For <code>if-nonzero</code> Open vSwitch omits the 802.1Q header on
+ output if both the VLAN ID and priority would be zero. Set to
+ <code>always</code> to retain the 802.1Q header in such frames as
+ well.
</p>
<p>