net: dsa: assign a CPU port to DSA port

DSA ports also need to have a dedicated CPU port assigned to them,
because they need to know where to egress frames targeting the CPU,
e.g. To_Cpu frames received on a Marvell Tag port.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 1e28742..21f9bed 100644 (file)
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -241,7 +241,7 @@ static int dsa_tree_setup_default_cpu(struct dsa_switch_tree *dst)
                for (port = 0; port < ds->num_ports; port++) {
                        dp = &ds->ports[port];
 
-                       if (dsa_port_is_user(dp))
+                       if (dsa_port_is_user(dp) || dsa_port_is_dsa(dp))
                                dp->cpu_dp = dst->cpu_dp;
                }
        }