From: Scott Feldman <sfel...@gmail.com>

On port probe, install by default untagged VLAN support.  This is
equivalent to running the command:

        bridge vlan add vid 0 dev DEV self

A user could, if they wanted, manaully removing untagged support from the
port by running the command:

        bridge vlan del vid 0 dev DEV self

But installing it by default on port initialization gives the normal
expected behavior.

Signed-off-by: Scott Feldman <sfel...@gmail.com>
---
 drivers/net/ethernet/rocker/rocker.c |   20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/rocker/rocker.c 
b/drivers/net/ethernet/rocker/rocker.c
index 76e2281..bd56273 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -3157,6 +3157,8 @@ static int rocker_port_vlan_flood_group(struct 
rocker_port *rocker_port,
 
        for (i = 0; i < rocker->port_count; i++) {
                p = rocker->ports[i];
+               if (!p)
+                       continue;
                if (!rocker_port_is_bridged(p))
                        continue;
                if (test_bit(ntohs(vlan_id), p->vlan_bitmap)) {
@@ -3216,7 +3218,7 @@ static int rocker_port_vlan_l2_groups(struct rocker_port 
*rocker_port,
 
        for (i = 0; i < rocker->port_count; i++) {
                p = rocker->ports[i];
-               if (test_bit(ntohs(vlan_id), p->vlan_bitmap))
+               if (p && test_bit(ntohs(vlan_id), p->vlan_bitmap))
                        ref++;
        }
 
@@ -4882,6 +4884,7 @@ static int rocker_probe_port(struct rocker *rocker, 
unsigned int port_number)
        const struct pci_dev *pdev = rocker->pdev;
        struct rocker_port *rocker_port;
        struct net_device *dev;
+       u16 untagged_vid = 0;
        int err;
 
        dev = alloc_etherdev(sizeof(struct rocker_port));
@@ -4917,16 +4920,27 @@ static int rocker_probe_port(struct rocker *rocker, 
unsigned int port_number)
 
        rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE);
 
-       rocker_port->internal_vlan_id =
-               rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex);
        err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0);
        if (err) {
                dev_err(&pdev->dev, "install ig port table failed\n");
                goto err_port_ig_tbl;
        }
 
+       rocker_port->internal_vlan_id =
+               rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex);
+
+       err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE,
+                                  untagged_vid, 0);
+       if (err) {
+               netdev_err(rocker_port->dev, "install untagged VLAN failed\n");
+               goto err_untagged_vlan;
+       }
+
        return 0;
 
+err_untagged_vlan:
+       rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE,
+                          ROCKER_OP_FLAG_REMOVE);
 err_port_ig_tbl:
        unregister_netdev(dev);
 err_register_netdev:
-- 
1.7.10.4

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