diff options
Diffstat (limited to 'bgpd/bgp_encap_types.h')
| -rw-r--r-- | bgpd/bgp_encap_types.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/bgpd/bgp_encap_types.h b/bgpd/bgp_encap_types.h new file mode 100644 index 00000000..c81b7297 --- /dev/null +++ b/bgpd/bgp_encap_types.h @@ -0,0 +1,174 @@ +/* + * Copyright 2015, LabN Consulting, L.L.C. + * + * This program 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 + * of the License, or (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#ifndef _QUAGGA_BGP_ENCAP_TYPES_H +#define _QUAGGA_BGP_ENCAP_TYPES_H + +/* from http://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#tunnel-types */ +typedef enum { + BGP_ENCAP_TYPE_RESERVED=0, + BGP_ENCAP_TYPE_L2TPV3_OVER_IP=1, + BGP_ENCAP_TYPE_GRE=2, + BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT=3, + BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE=4, + BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE=5, + BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE=6, + BGP_ENCAP_TYPE_IP_IN_IP=7, + BGP_ENCAP_TYPE_VXLAN=8, + BGP_ENCAP_TYPE_NVGRE=9, + BGP_ENCAP_TYPE_MPLS=10, + BGP_ENCAP_TYPE_MPLS_IN_GRE=11, + BGP_ENCAP_TYPE_VXLAN_GPE=12, + BGP_ENCAP_TYPE_MPLS_IN_UDP=13, + BGP_ENCAP_TYPE_PBB +} bgp_encap_types; + +typedef enum { + BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION=1, + BGP_ENCAP_SUBTLV_TYPE_PROTO_TYPE=2, + BGP_ENCAP_SUBTLV_TYPE_IPSEC_TA=3, + BGP_ENCAP_SUBTLV_TYPE_COLOR=4, +} bgp_encap_subtlv_types; + +/* + * Tunnel Encapsulation Attribute subtlvs + */ +struct bgp_tea_subtlv_encap_l2tpv3_over_ip { + uint32_t sessionid; + uint8_t cookie_length; + uint8_t cookie[8]; +}; + +struct bgp_tea_subtlv_encap_gre_key { + uint32_t gre_key; +}; + +struct bgp_tea_subtlv_encap_pbb { + uint32_t flag_isid:1; + uint32_t flag_vid:1; + uint32_t isid:24; + uint16_t vid:12; + uint8_t macaddr[6]; +}; + +struct bgp_tea_subtlv_proto_type { + uint16_t proto; /* ether-type */ +}; + +struct bgp_tea_subtlv_color { + uint32_t color; +}; + +/* + * This is the length of the value part of the ipsec tunnel authenticator + * subtlv. Currently we only support the length for authenticator type 1. + */ +#define BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE 20 + +struct bgp_tea_subtlv_ipsec_ta { + uint16_t authenticator_type; /* only type 1 is supported so far */ + uint8_t authenticator_length; /* octets in value field */ + uint8_t value[BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE]; +}; + +/* + * Subtlv valid flags + * TBD change names to add "VALID" + */ +#define BGP_TEA_SUBTLV_ENCAP 0x00000001 +#define BGP_TEA_SUBTLV_PROTO_TYPE 0x00000002 +#define BGP_TEA_SUBTLV_COLOR 0x00000004 +#define BGP_TEA_SUBTLV_IPSEC_TA 0x00000008 + + +/* + * Tunnel Type-specific APIs + */ +struct bgp_encap_type_reserved { +}; + +struct bgp_encap_type_l2tpv3_over_ip { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_encap_l2tpv3_over_ip st_encap; + struct bgp_tea_subtlv_proto_type st_proto; /* optional */ + struct bgp_tea_subtlv_color st_color; /* optional */ +}; + +struct bgp_encap_type_gre { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_encap_gre_key st_encap; /* optional */ + struct bgp_tea_subtlv_proto_type st_proto; /* optional */ + struct bgp_tea_subtlv_color st_color; /* optional */ +}; + +struct bgp_encap_type_ip_in_ip { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_proto_type st_proto; /* optional */ + struct bgp_tea_subtlv_color st_color; /* optional */ +}; + +struct bgp_encap_type_transmit_tunnel_endpoint { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_ipsec_in_tunnel_mode { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */ +}; + +struct bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */ +}; + +struct bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */ +}; + +struct bgp_encap_type_vxlan { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_nvgre { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_mpls { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_mpls_in_gre { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_vxlan_gpe { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_mpls_in_udp { + /* No subtlvs defined in spec? */ +}; + +struct bgp_encap_type_pbb { + uint32_t valid_subtlvs; + struct bgp_tea_subtlv_encap_pbb st_encap; +}; + +#endif /* _QUAGGA_BGP_ENCAP_TYPES_H */ |