diff options
Diffstat (limited to 'zebra/if_netlink.c')
| -rw-r--r-- | zebra/if_netlink.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/zebra/if_netlink.c b/zebra/if_netlink.c index 3b4e048aff..6375fc1bd0 100644 --- a/zebra/if_netlink.c +++ b/zebra/if_netlink.c @@ -720,16 +720,110 @@ static void netlink_interface_update_l2info(struct interface *ifp, } } +static int netlink_bridge_vxlan_vlan_vni_map_update(struct interface *ifp, + struct rtattr *af_spec) +{ + int rem; + vni_t vni_id; + vlanid_t vid; + uint16_t flags; + struct rtattr *i; + struct zebra_vxlan_vni vni; + struct zebra_vxlan_vni *vnip; + struct hash *vni_table = NULL; + struct zebra_vxlan_vni vni_end; + struct zebra_vxlan_vni vni_start; + struct rtattr *aftb[IFLA_BRIDGE_VLAN_TUNNEL_MAX + 1]; + + for (i = RTA_DATA(af_spec), rem = RTA_PAYLOAD(af_spec); RTA_OK(i, rem); + i = RTA_NEXT(i, rem)) { + + if (i->rta_type != IFLA_BRIDGE_VLAN_TUNNEL_INFO) + continue; + + memset(aftb, 0, sizeof(aftb)); + netlink_parse_rtattr_nested(aftb, IFLA_BRIDGE_VLAN_TUNNEL_MAX, + i); + if (!aftb[IFLA_BRIDGE_VLAN_TUNNEL_ID] + || !aftb[IFLA_BRIDGE_VLAN_TUNNEL_VID]) + /* vlan-vni info missing */ + return 0; + + flags = 0; + memset(&vni, 0, sizeof(vni)); + + vni.vni = *(vni_t *)RTA_DATA(aftb[IFLA_BRIDGE_VLAN_TUNNEL_ID]); + vni.access_vlan = *(vlanid_t *)RTA_DATA( + aftb[IFLA_BRIDGE_VLAN_TUNNEL_VID]); + + if (aftb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS]) + flags = *(uint16_t *)RTA_DATA( + aftb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS]); + + if (flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { + vni_start = vni; + continue; + } + + if (flags & BRIDGE_VLAN_INFO_RANGE_END) + vni_end = vni; + + if (!(flags & BRIDGE_VLAN_INFO_RANGE_END)) { + vni_start = vni; + vni_end = vni; + } + + if (IS_ZEBRA_DEBUG_KERNEL) + zlog_debug( + "Vlan-Vni(%d:%d-%d:%d) update for VxLAN IF %s(%u)", + vni_start.access_vlan, vni_end.access_vlan, + vni_start.vni, vni_end.vni, ifp->name, + ifp->ifindex); + + if (!vni_table) { + vni_table = zebra_vxlan_vni_table_create(); + if (!vni_table) + return 0; + } + + for (vid = vni_start.access_vlan, vni_id = vni_start.vni; + vid <= vni_end.access_vlan; vid++, vni_id++) { + + memset(&vni, 0, sizeof(vni)); + vni.vni = vni_id; + vni.access_vlan = vid; + vnip = hash_get(vni_table, &vni, zebra_vxlan_vni_alloc); + if (!vnip) + return 0; + } + + memset(&vni_start, 0, sizeof(vni_start)); + memset(&vni_end, 0, sizeof(vni_end)); + } + + if (vni_table) + zebra_vxlan_if_vni_table_add_update(ifp, vni_table); + + return 0; +} + static int netlink_bridge_vxlan_update(struct interface *ifp, struct rtattr *af_spec) { struct rtattr *aftb[IFLA_BRIDGE_MAX + 1]; struct bridge_vlan_info *vinfo; + struct zebra_if *zif; vlanid_t access_vlan; if (!af_spec) return 0; + zif = (struct zebra_if *)ifp->info; + + /* Single vxlan devices has vni-vlan range to update */ + if (IS_ZEBRA_VXLAN_IF_SVD(zif)) + return netlink_bridge_vxlan_vlan_vni_map_update(ifp, af_spec); + /* There is a 1-to-1 mapping of VLAN to VxLAN - hence * only 1 access VLAN is accepted. */ |