netdev-tc-offloads: Implement netdev flow del using tc interface
Acked-by: Flavio Leitner
@@ -850,10 +850,37 @@ netdev_tc_flow_get(struct netdev *netdev OVS_UNUSED,
int
netdev_tc_flow_del(struct netdev *netdev OVS_UNUSED,
- const ovs_u128 *ufid OVS_UNUSED,
- struct dpif_flow_stats *stats OVS_UNUSED)
+ const ovs_u128 *ufid,
+ struct dpif_flow_stats *stats)
{
- return EOPNOTSUPP;
+ struct netdev *dev;
+ int prio = 0;
+ int ifindex;
+ int handle;
+ int error;
+
+ handle = get_ufid_tc_mapping(ufid, &prio, &dev);
+ if (!handle) {
+ return ENOENT;
+ }
+
+ ifindex = netdev_get_ifindex(dev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "failed to get ifindex for %s: %s",
+ netdev_get_name(dev), ovs_strerror(-ifindex));
+ netdev_close(dev);
+ return -ifindex;
+ }
+
+ error = tc_del_filter(ifindex, prio, handle);
+ del_ufid_tc_mapping(ufid);
+
+ netdev_close(dev);
+
+ if (stats) {
+ memset(stats, 0, sizeof *stats);
+ }
+ return error;
}
int
