diff options
Diffstat (limited to 'lib/route/link/bridge.c')
| -rw-r--r-- | lib/route/link/bridge.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/lib/route/link/bridge.c b/lib/route/link/bridge.c index 189f9e3..75d5792 100644 --- a/lib/route/link/bridge.c +++ b/lib/route/link/bridge.c @@ -172,12 +172,16 @@ static int bridge_parse_af_full(struct rtnl_link *link, struct nlattr *attr_full { struct bridge_data *bd = data; struct bridge_vlan_info *vinfo = NULL; + uint16_t vid_range_start = 0; + uint16_t vid_range_flags = -1; + struct nlattr *attr; int remaining; nla_for_each_nested(attr, attr_full, remaining) { + if (nla_type(attr) != IFLA_BRIDGE_VLAN_INFO) - return 0; + continue; if (nla_len(attr) != sizeof(struct bridge_vlan_info)) return -EINVAL; @@ -186,20 +190,35 @@ static int bridge_parse_af_full(struct rtnl_link *link, struct nlattr *attr_full if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) return -EINVAL; + if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { - NL_DBG(1, "Unexpected BRIDGE_VLAN_INFO_RANGE_BEGIN flag; can not handle it.\n"); - return -EINVAL; + vid_range_start = vinfo->vid; + vid_range_flags = (vinfo->flags ^ BRIDGE_VLAN_INFO_RANGE_BEGIN); + continue; } - if (vinfo->flags & BRIDGE_VLAN_INFO_PVID) - bd->vlan_info.pvid = vinfo->vid; + if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END) { + /* sanity check the range flags */ + if (vid_range_flags != (vinfo->flags ^ BRIDGE_VLAN_INFO_RANGE_END)) { + NL_DBG(1, "VLAN range flags differ; can not handle it.\n"); + return -EINVAL; + } + } else { + vid_range_start = vinfo->vid; + } - if (vinfo->flags & BRIDGE_VLAN_INFO_UNTAGGED) - set_bit(vinfo->vid, bd->vlan_info.untagged_bitmap); + for (; vid_range_start <= vinfo->vid; vid_range_start++) { + if (vinfo->flags & BRIDGE_VLAN_INFO_PVID) + bd->vlan_info.pvid = vinfo->vid; - set_bit(vinfo->vid, bd->vlan_info.vlan_bitmap); + if (vinfo->flags & BRIDGE_VLAN_INFO_UNTAGGED) + set_bit(vid_range_start, bd->vlan_info.untagged_bitmap); + + set_bit(vid_range_start, bd->vlan_info.vlan_bitmap); + bd->ce_mask |= BRIDGE_ATTR_PORT_VLAN; + } - bd->ce_mask |= BRIDGE_ATTR_PORT_VLAN; + vid_range_flags = -1; } return 0; |