net/sched: act_vlan: Add extack message for offload failure
authorIdo Schimmel <idosch@nvidia.com>
Thu, 7 Apr 2022 07:35:30 +0000 (10:35 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Apr 2022 12:45:43 +0000 (13:45 +0100)
For better error reporting to user space, add an extack message when
vlan action offload fails.

Currently, the failure cannot be triggered, but add a message in case
the action is extended in the future to support more than the current
set of modes.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/act_vlan.c

index 8c89bce99cbd17d8d2d26ea580d873de854a5280..68b5e772386a2109d513e2ba9d19b18d1db17ca7 100644 (file)
@@ -399,6 +399,7 @@ static int tcf_vlan_offload_act_setup(struct tc_action *act, void *entry_data,
                        tcf_vlan_push_eth(entry->vlan_push_eth.src, entry->vlan_push_eth.dst, act);
                        break;
                default:
+                       NL_SET_ERR_MSG_MOD(extack, "Unsupported vlan action mode offload");
                        return -EOPNOTSUPP;
                }
                *index_inc = 1;