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 along
15 * with this program; see the file COPYING; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef _QUAGGA_BGP_ENCAP_TYPES_H
20 #define _QUAGGA_BGP_ENCAP_TYPES_H
22 /* from http://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#tunnel-types */
24 BGP_ENCAP_TYPE_RESERVED
=0,
25 BGP_ENCAP_TYPE_L2TPV3_OVER_IP
=1,
27 BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT
=3,
28 BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE
=4,
29 BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE
=5,
30 BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE
=6,
31 BGP_ENCAP_TYPE_IP_IN_IP
=7,
32 BGP_ENCAP_TYPE_VXLAN
=8,
33 BGP_ENCAP_TYPE_NVGRE
=9,
34 BGP_ENCAP_TYPE_MPLS
=10, /* NOTE: Encap SAFI&Attribute not used */
35 BGP_ENCAP_TYPE_MPLS_IN_GRE
=11,
36 BGP_ENCAP_TYPE_VXLAN_GPE
=12,
37 BGP_ENCAP_TYPE_MPLS_IN_UDP
=13,
42 BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION
=1,
43 BGP_ENCAP_SUBTLV_TYPE_PROTO_TYPE
=2,
44 BGP_ENCAP_SUBTLV_TYPE_IPSEC_TA
=3,
45 BGP_ENCAP_SUBTLV_TYPE_COLOR
=4,
46 BGP_ENCAP_SUBTLV_TYPE_REMOTE_ENDPOINT
=6 /* speculative, IANA assignment TBD */
47 } bgp_encap_subtlv_types
;
50 * Tunnel Encapsulation Attribute subtlvs
52 struct bgp_tea_subtlv_encap_l2tpv3_over_ip
{
54 uint8_t cookie_length
;
58 struct bgp_tea_subtlv_encap_gre_key
{
62 struct bgp_tea_subtlv_encap_pbb
{
70 struct bgp_tea_subtlv_proto_type
{
71 uint16_t proto
; /* ether-type */
74 struct bgp_tea_subtlv_color
{
78 /* per draft-rosen-idr-tunnel-encaps */
79 struct bgp_tea_subtlv_remote_endpoint
{
80 u_char family
; /* IPv4 or IPv6 */
85 as_t as4
; /* always 4 bytes */
89 * This is the length of the value part of the ipsec tunnel authenticator
90 * subtlv. Currently we only support the length for authenticator type 1.
92 #define BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE 20
94 struct bgp_tea_subtlv_ipsec_ta
{
95 uint16_t authenticator_type
; /* only type 1 is supported so far */
96 uint8_t authenticator_length
; /* octets in value field */
97 uint8_t value
[BGP_ENCAP_SUBTLV_IPSEC_TA_SIZE
];
102 * TBD change names to add "VALID"
104 #define BGP_TEA_SUBTLV_ENCAP 0x00000001
105 #define BGP_TEA_SUBTLV_PROTO_TYPE 0x00000002
106 #define BGP_TEA_SUBTLV_COLOR 0x00000004
107 #define BGP_TEA_SUBTLV_IPSEC_TA 0x00000008
108 #define BGP_TEA_SUBTLV_REMOTE_ENDPOINT 0x00000010
110 #define CHECK_SUBTLV_FLAG(ptr, flag) CHECK_FLAG((ptr)->valid_subtlvs, (flag))
111 #define SET_SUBTLV_FLAG(ptr, flag) SET_FLAG((ptr)->valid_subtlvs, (flag))
112 #define UNSET_SUBTLV_FLAG(ptr, flag) UNSET_FLAG((ptr)->valid_subtlvs, (flag))
115 * Tunnel Type-specific APIs
117 struct bgp_encap_type_reserved
{
118 uint32_t valid_subtlvs
;
119 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
122 struct bgp_encap_type_l2tpv3_over_ip
{
123 uint32_t valid_subtlvs
;
124 struct bgp_tea_subtlv_encap_l2tpv3_over_ip st_encap
;
125 struct bgp_tea_subtlv_proto_type st_proto
; /* optional */
126 struct bgp_tea_subtlv_color st_color
; /* optional */
127 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
130 struct bgp_encap_type_gre
{
131 uint32_t valid_subtlvs
;
132 struct bgp_tea_subtlv_encap_gre_key st_encap
; /* optional */
133 struct bgp_tea_subtlv_proto_type st_proto
; /* optional */
134 struct bgp_tea_subtlv_color st_color
; /* optional */
135 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
138 struct bgp_encap_type_ip_in_ip
{
139 uint32_t valid_subtlvs
;
140 struct bgp_tea_subtlv_proto_type st_proto
; /* optional */
141 struct bgp_tea_subtlv_color st_color
; /* optional */
142 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
145 struct bgp_encap_type_transmit_tunnel_endpoint
{
146 uint32_t valid_subtlvs
;
147 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
148 /* No subtlvs defined in spec? */
151 struct bgp_encap_type_ipsec_in_tunnel_mode
{
152 uint32_t valid_subtlvs
;
153 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta
; /* optional */
154 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
157 struct bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode
{
158 uint32_t valid_subtlvs
;
159 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta
; /* optional */
160 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
163 struct bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode
{
164 uint32_t valid_subtlvs
;
165 struct bgp_tea_subtlv_ipsec_ta st_ipsec_ta
; /* optional */
166 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
169 #define VXLAN_ENCAP_MASK_VNID_VALID 0x80000000
170 #define VXLAN_ENCAP_MASK_MAC_VALID 0x40000000
172 struct bgp_encap_type_vxlan
{
173 uint32_t valid_subtlvs
;
174 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
175 /* draft-ietf-idr-tunnel-encaps-02 */
176 uint32_t vnid
; /* does not include V and M bit */
177 uint8_t *mac_address
; /* optional */
180 struct bgp_encap_type_nvgre
{
181 uint32_t valid_subtlvs
;
182 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
183 /* No subtlvs defined in spec? */
186 struct bgp_encap_type_mpls
{
187 uint32_t valid_subtlvs
;
188 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
189 /* No subtlvs defined in spec? */
192 struct bgp_encap_type_mpls_in_gre
{
193 uint32_t valid_subtlvs
;
194 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
195 /* No subtlvs defined in spec? */
198 struct bgp_encap_type_vxlan_gpe
{
199 uint32_t valid_subtlvs
;
200 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
201 /* No subtlvs defined in spec? */
204 struct bgp_encap_type_mpls_in_udp
{
205 uint32_t valid_subtlvs
;
206 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
207 /* No subtlvs defined in spec? */
210 struct bgp_encap_type_pbb
{
211 uint32_t valid_subtlvs
;
212 struct bgp_tea_subtlv_remote_endpoint st_endpoint
; /* optional */
213 struct bgp_tea_subtlv_encap_pbb st_encap
;
216 #endif /* _QUAGGA_BGP_ENCAP_TYPES_H */