netdev-tc-offloads: Remove ingress qdisc on tc init flow api

It could be a port added to ovs bridge already has ingress qdisc which will make the block probe fail. The probes should start clean and ingress is being added later so just remove ingress in case it exists. Signed-off-by: Roi Dayan <[email protected]> Acked-by: John Hurley <[email protected]> Signed-off-by: Simon Horman <[email protected]>
dqadri · Mar 12, 2019 · bb5538d · bb5538d
1 parent ea11bb0
commit bb5538d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/netdev-tc-offloads.c b/lib/netdev-tc-offloads.c
@@ -1527,6 +1527,9 @@ netdev_tc_init_flow_api(struct netdev *netdev)
         return -ifindex;
     }
 
+    /* make sure there is no ingress qdisc */
+    tc_add_del_ingress_qdisc(ifindex, false, 0);
+
     if (ovsthread_once_start(&block_once)) {
         probe_tc_block_support(ifindex);
         ovsthread_once_done(&block_once);