diff options
Diffstat (limited to 'drivers/net/dsa/b53/b53_common.c')
-rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 34 |
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 0852e5e08177..c8040ecf4425 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -428,7 +428,6 @@ static void b53_enable_vlan(struct b53_device *dev, bool enable, b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); dev->vlan_enabled = enable; - dev->vlan_filtering_enabled = enable_filtering; } static int b53_set_jumbo(struct b53_device *dev, bool enable, bool allow_10_100) @@ -665,7 +664,7 @@ int b53_configure_vlan(struct dsa_switch *ds) b53_do_vlan_op(dev, VTA_CMD_CLEAR); } - b53_enable_vlan(dev, false, dev->vlan_filtering_enabled); + b53_enable_vlan(dev, false, ds->vlan_filtering); b53_for_each_port(dev, i) b53_write16(dev, B53_VLAN_PAGE, @@ -966,6 +965,13 @@ static int b53_setup(struct dsa_switch *ds) b53_disable_port(ds, port); } + /* Let DSA handle the case were multiple bridges span the same switch + * device and different VLAN awareness settings are requested, which + * would be breaking filtering semantics for any of the other bridge + * devices. (not hardware supported) + */ + ds->vlan_filtering_is_global = true; + return ret; } @@ -1275,35 +1281,17 @@ EXPORT_SYMBOL(b53_phylink_mac_link_up); int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering) { struct b53_device *dev = ds->priv; - struct net_device *bridge_dev; - unsigned int i; u16 pvid, new_pvid; - /* Handle the case were multiple bridges span the same switch device - * and one of them has a different setting than what is being requested - * which would be breaking filtering semantics for any of the other - * bridge devices. - */ - b53_for_each_port(dev, i) { - bridge_dev = dsa_to_port(ds, i)->bridge_dev; - if (bridge_dev && - bridge_dev != dsa_to_port(ds, port)->bridge_dev && - br_vlan_enabled(bridge_dev) != vlan_filtering) { - netdev_err(bridge_dev, - "VLAN filtering is global to the switch!\n"); - return -EINVAL; - } - } - b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid); new_pvid = pvid; - if (dev->vlan_filtering_enabled && !vlan_filtering) { + if (!vlan_filtering) { /* Filtering is currently enabled, use the default PVID since * the bridge does not expect tagging anymore */ dev->ports[port].pvid = pvid; new_pvid = b53_default_pvid(dev); - } else if (!dev->vlan_filtering_enabled && vlan_filtering) { + } else { /* Filtering is currently disabled, restore the previous PVID */ new_pvid = dev->ports[port].pvid; } @@ -1329,7 +1317,7 @@ int b53_vlan_prepare(struct dsa_switch *ds, int port, if (vlan->vid_end > dev->num_vlans) return -ERANGE; - b53_enable_vlan(dev, true, dev->vlan_filtering_enabled); + b53_enable_vlan(dev, true, ds->vlan_filtering); return 0; } |