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Diffstat (limited to 'zebra/zebra_l2.h')
| -rw-r--r-- | zebra/zebra_l2.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/zebra/zebra_l2.h b/zebra/zebra_l2.h new file mode 100644 index 0000000..1c3e981 --- /dev/null +++ b/zebra/zebra_l2.h @@ -0,0 +1,144 @@ +/* + * Zebra Layer-2 interface Data structures and definitions + * Copyright (C) 2016, 2017 Cumulus Networks, Inc. + * + * This file is part of FRR. + * + * FRR is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * FRR is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with FRR; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#ifndef _ZEBRA_L2_H +#define _ZEBRA_L2_H + +#include <zebra.h> + +#include "if.h" +#include "vlan.h" +#include "vxlan.h" +#include "zebra/zebra_vrf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZEBRA_BRIDGE_NO_ACTION (0) +#define ZEBRA_BRIDGE_MASTER_MAC_CHANGE (1 << 1) +#define ZEBRA_BRIDGE_MASTER_UP (1 << 2) + +/* zebra L2 interface information - bridge slave (linkage to bridge) */ +struct zebra_l2info_brslave { + ifindex_t bridge_ifindex; /* Bridge Master */ + struct interface *br_if; /* Pointer to master */ + ns_id_t ns_id; /* network namespace where bridge is */ +}; + +struct zebra_l2info_bond { + struct list *mbr_zifs; /* slaves using this bond as a master */ +}; + +/* zebra L2 interface information - bridge interface */ +struct zebra_l2info_bridge { + uint8_t vlan_aware; /* VLAN-aware bridge? */ +}; + +/* zebra L2 interface information - VLAN interface */ +struct zebra_l2info_vlan { + vlanid_t vid; /* VLAN id */ +}; + +/* zebra L2 interface information - GRE interface */ +struct zebra_l2info_gre { + struct in_addr vtep_ip; /* IFLA_GRE_LOCAL */ + struct in_addr vtep_ip_remote; /* IFLA_GRE_REMOTE */ + uint32_t ikey; + uint32_t okey; + ifindex_t ifindex_link; /* Interface index of interface + * linked with GRE + */ + ns_id_t link_nsid; +}; + +/* zebra L2 interface information - VXLAN interface */ +struct zebra_l2info_vxlan { + vni_t vni; /* VNI */ + struct in_addr vtep_ip; /* Local tunnel IP */ + vlanid_t access_vlan; /* Access VLAN - for VLAN-aware bridge. */ + struct in_addr mcast_grp; + ifindex_t ifindex_link; /* Interface index of interface + * linked with VXLAN + */ + ns_id_t link_nsid; +}; + +struct zebra_l2info_bondslave { + ifindex_t bond_ifindex; /* Bridge Master */ + struct interface *bond_if; /* Pointer to master */ +}; + +union zebra_l2if_info { + struct zebra_l2info_bridge br; + struct zebra_l2info_vlan vl; + struct zebra_l2info_vxlan vxl; + struct zebra_l2info_gre gre; +}; + +/* NOTE: These macros are to be invoked only in the "correct" context. + * IOW, the macro VNI_FROM_ZEBRA_IF() will assume the interface is + * of type ZEBRA_IF_VXLAN. + */ +#define VNI_FROM_ZEBRA_IF(zif) (zif)->l2info.vxl.vni +#define VLAN_ID_FROM_ZEBRA_IF(zif) (zif)->l2info.vl.vid + +#define IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(zif) ((zif)->l2info.br.vlan_aware == 1) + +extern void zebra_l2_map_slave_to_bridge(struct zebra_l2info_brslave *br_slave, + struct zebra_ns *zns); +extern void +zebra_l2_unmap_slave_from_bridge(struct zebra_l2info_brslave *br_slave); +extern void zebra_l2_bridge_add_update(struct interface *ifp, + struct zebra_l2info_bridge *bridge_info, + int add); +extern void zebra_l2_bridge_del(struct interface *ifp); +extern void zebra_l2_vlanif_update(struct interface *ifp, + struct zebra_l2info_vlan *vlan_info); +extern void zebra_l2_greif_add_update(struct interface *ifp, + struct zebra_l2info_gre *vxlan_info, + int add); +extern void zebra_l2_vxlanif_add_update(struct interface *ifp, + struct zebra_l2info_vxlan *vxlan_info, + int add); +extern void zebra_l2_vxlanif_update_access_vlan(struct interface *ifp, + vlanid_t access_vlan); +extern void zebra_l2_greif_del(struct interface *ifp); +extern void zebra_l2_vxlanif_del(struct interface *ifp); +extern void zebra_l2if_update_bridge_slave(struct interface *ifp, + ifindex_t bridge_ifindex, + ns_id_t ns_id, uint8_t chgflags); + +extern void zebra_l2if_update_bond_slave(struct interface *ifp, + ifindex_t bond_ifindex, bool bypass); +extern void zebra_vlan_bitmap_compute(struct interface *ifp, + uint32_t vid_start, uint16_t vid_end); +extern void zebra_vlan_mbr_re_eval(struct interface *ifp, + bitfield_t vlan_bitmap); +extern void zebra_l2if_update_bond(struct interface *ifp, bool add); +extern void zebra_l2if_update_bridge(struct interface *ifp, uint8_t chgflags); + +#ifdef __cplusplus +} +#endif + +#endif /* _ZEBRA_L2_H */ |