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path: root/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index d215e3270376..3b3b59314125 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4782,6 +4782,30 @@ static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev)
return num_vxlans > 1;
}
+static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev)
+{
+ DECLARE_BITMAP(vlans, VLAN_N_VID) = {0};
+ struct net_device *dev;
+ struct list_head *iter;
+
+ netdev_for_each_lower_dev(br_dev, dev, iter) {
+ u16 pvid;
+ int err;
+
+ if (!netif_is_vxlan(dev))
+ continue;
+
+ err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid);
+ if (err || !pvid)
+ continue;
+
+ if (test_and_set_bit(pvid, vlans))
+ return false;
+ }
+
+ return true;
+}
+
static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
struct netlink_ext_ack *extack)
{
@@ -4790,13 +4814,15 @@ static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
return false;
}
- if (br_vlan_enabled(br_dev)) {
- NL_SET_ERR_MSG_MOD(extack, "VLAN filtering can not be enabled on a bridge with a VxLAN device");
+ if (!br_vlan_enabled(br_dev) &&
+ mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
+ NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
return false;
}
- if (mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
- NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
+ if (br_vlan_enabled(br_dev) &&
+ !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) {
+ NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged");
return false;
}
@@ -5171,9 +5197,20 @@ static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp,
if (cu_info->linking) {
if (!netif_running(dev))
return 0;
+ /* When the bridge is VLAN-aware, the VNI of the VxLAN
+ * device needs to be mapped to a VLAN, but at this
+ * point no VLANs are configured on the VxLAN device
+ */
+ if (br_vlan_enabled(upper_dev))
+ return 0;
return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
dev, 0, extack);
} else {
+ /* VLANs were already flushed, which triggered the
+ * necessary cleanup
+ */
+ if (br_vlan_enabled(upper_dev))
+ return 0;
mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
}
break;