net: Disallow providing non zero VLAN ID for NIC drivers FDB add flow
The current implementations all use dev_uc_add_excl() and such whose API
doesn't support vlans, so we can't make it with NICs HW for now.
Fixes: f6f6424ba773 ('net: make vid as a parameter for ndo_fdb_add/ndo_fdb_del')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d06107d..9cf6fe9 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2368,6 +2368,11 @@
return err;
}
+ if (vid) {
+ pr_info("%s: vlans aren't supported yet for dev_uc|mc_add()\n", dev->name);
+ return err;
+ }
+
if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr))
err = dev_uc_add_excl(dev, addr);
else if (is_multicast_ether_addr(addr))