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-rw-r--r--net/dsa/user.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/dsa/user.c b/net/dsa/user.c
index 74eda9b30608..64f660d2334b 100644
--- a/net/dsa/user.c
+++ b/net/dsa/user.c
@@ -1392,6 +1392,14 @@ dsa_user_add_cls_matchall_mirred(struct net_device *dev,
if (!dsa_user_dev_check(act->dev))
return -EOPNOTSUPP;
+ to_dp = dsa_user_to_port(act->dev);
+
+ if (dp->ds != to_dp->ds) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cross-chip mirroring not implemented");
+ return -EOPNOTSUPP;
+ }
+
mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
if (!mall_tc_entry)
return -ENOMEM;
@@ -1399,9 +1407,6 @@ dsa_user_add_cls_matchall_mirred(struct net_device *dev,
mall_tc_entry->cookie = cls->cookie;
mall_tc_entry->type = DSA_PORT_MALL_MIRROR;
mirror = &mall_tc_entry->mirror;
-
- to_dp = dsa_user_to_port(act->dev);
-
mirror->to_local_port = to_dp->index;
mirror->ingress = ingress;