2 * Copyright 2015, LabN Consulting, L.L.C.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #ifndef _QUAGGA_BGP_ENCAP_TYPES_H
21 #define _QUAGGA_BGP_ENCAP_TYPES_H
23 /* from http://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#tunnel-types */
25 BGP_ENCAP_TYPE_RESERVED=0,
26 BGP_ENCAP_TYPE_L2TPV3_OVER_IP=1,
28 BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT=3,
29 BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE=4,
30 BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE=5,
31 BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE=6,
32 BGP_ENCAP_TYPE_IP_IN_IP=7,
33 BGP_ENCAP_TYPE_VXLAN=8,
34 BGP_ENCAP_TYPE_NVGRE=9,
35 BGP_ENCAP_TYPE_MPLS=10,
36 BGP_ENCAP_TYPE_MPLS_IN_GRE=11,
37 BGP_ENCAP_TYPE_VXLAN_GPE=12,
38 BGP_ENCAP_TYPE_MPLS_IN_UDP=13,
43 BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION=1,
44 BGP_ENCAP_SUBTLV_TYPE_PROTO_TYPE=2,
45 BGP_ENCAP_SUBTLV_TYPE_IPSEC_TA=3,
46 BGP_ENCAP_SUBTLV_TYPE_COLOR=4,
47 BGP_ENCAP_SUBTLV_TYPE_REMOTE_ENDPOINT=6 /* speculative, IANA assignment TBD */
48 } bgp_encap_subtlv_types;
51 * Tunnel Encapsulation Attribute subtlvs
53 struct bgp_tea_subtlv_encap_l2tpv3_over_ip {
55 uint8_t cookie_length;
59 struct bgp_tea_subtlv_encap_gre_key {
63 struct bgp_tea_subtlv_encap_pbb {
71 struct bgp_tea_subtlv_proto_type {
72 uint16_t proto; /* ether-type */
75 struct bgp_tea_subtlv_color {
79 /* per draft-rosen-idr-tunnel-encaps */
80 struct bgp_tea_subtlv_remote_endpoint {
81 u_char family; /* IPv4 or IPv6 */
86 as_t as4; /* always 4 bytes */
90 * This is the length of the value part of the ipsec tunnel authenticator
91 * subtlv. Currently we only support the length for authenticator type 1.
93 #define BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE 20
95 struct bgp_tea_subtlv_ipsec_ta {
96 uint16_t authenticator_type; /* only type 1 is supported so far */
97 uint8_t authenticator_length; /* octets in value field */
98 uint8_t value[BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE];
103 * TBD change names to add "VALID"
105 #define BGP_TEA_SUBTLV_ENCAP 0x00000001
106 #define BGP_TEA_SUBTLV_PROTO_TYPE 0x00000002
107 #define BGP_TEA_SUBTLV_COLOR 0x00000004
108 #define BGP_TEA_SUBTLV_IPSEC_TA 0x00000008
109 #define BGP_TEA_SUBTLV_REMOTE_ENDPOINT 0x00000010
111 #define CHECK_SUBTLV_FLAG(ptr, flag) CHECK_FLAG((ptr)->valid_subtlvs, (flag))
112 #define SET_SUBTLV_FLAG(ptr, flag) SET_FLAG((ptr)->valid_subtlvs, (flag))
113 #define UNSET_SUBTLV_FLAG(ptr, flag) UNSET_FLAG((ptr)->valid_subtlvs, (flag))
116 * Tunnel Type-specific APIs
118 struct bgp_encap_type_reserved {
119 uint32_t valid_subtlvs;
120 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
123 struct bgp_encap_type_l2tpv3_over_ip {
124 uint32_t valid_subtlvs;
125 struct bgp_tea_subtlv_encap_l2tpv3_over_ip st_encap;
126 struct bgp_tea_subtlv_proto_type st_proto; /* optional */
127 struct bgp_tea_subtlv_color st_color; /* optional */
128 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
131 struct bgp_encap_type_gre {
132 uint32_t valid_subtlvs;
133 struct bgp_tea_subtlv_encap_gre_key st_encap; /* optional */
134 struct bgp_tea_subtlv_proto_type st_proto; /* optional */
135 struct bgp_tea_subtlv_color st_color; /* optional */
136 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
139 struct bgp_encap_type_ip_in_ip {
140 uint32_t valid_subtlvs;
141 struct bgp_tea_subtlv_proto_type st_proto; /* optional */
142 struct bgp_tea_subtlv_color st_color; /* optional */
143 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
146 struct bgp_encap_type_transmit_tunnel_endpoint {
147 uint32_t valid_subtlvs;
148 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
149 /* No subtlvs defined in spec? */
152 struct bgp_encap_type_ipsec_in_tunnel_mode {
153 uint32_t valid_subtlvs;
154 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */
155 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
158 struct bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode {
159 uint32_t valid_subtlvs;
160 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */
161 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
164 struct bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode {
165 uint32_t valid_subtlvs;
166 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta; /* optional */
167 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
170 struct bgp_encap_type_vxlan {
171 uint32_t valid_subtlvs;
172 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
173 /* No subtlvs defined in spec? */
176 struct bgp_encap_type_nvgre {
177 uint32_t valid_subtlvs;
178 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
179 /* No subtlvs defined in spec? */
182 struct bgp_encap_type_mpls {
183 uint32_t valid_subtlvs;
184 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
185 /* No subtlvs defined in spec? */
188 struct bgp_encap_type_mpls_in_gre {
189 uint32_t valid_subtlvs;
190 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
191 /* No subtlvs defined in spec? */
194 struct bgp_encap_type_vxlan_gpe {
195 uint32_t valid_subtlvs;
196 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
197 /* No subtlvs defined in spec? */
200 struct bgp_encap_type_mpls_in_udp {
201 uint32_t valid_subtlvs;
202 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
203 /* No subtlvs defined in spec? */
206 struct bgp_encap_type_pbb {
207 uint32_t valid_subtlvs;
208 struct bgp_tea_subtlv_remote_endpoint st_endpoint; /* optional */
209 struct bgp_tea_subtlv_encap_pbb st_encap;
212 #endif /* _QUAGGA_BGP_ENCAP_TYPES_H */