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BGP: Update RFC reference

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RFC 5549 was obsoleted by RFC 8950.
This commit is contained in:
Ondrej Zajicek 2023-08-22 14:20:59 +02:00
parent ecbae010bf
commit 9bf2048476
4 changed files with 7 additions and 7 deletions
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4
doc/bird.sgml
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@ -2425,7 +2425,6 @@ avoid routing loops.
<item> <rfc id="5065"> - AS confederations for BGP <item> <rfc id="5065"> - AS confederations for BGP
<item> <rfc id="5082"> - Generalized TTL Security Mechanism <item> <rfc id="5082"> - Generalized TTL Security Mechanism
<item> <rfc id="5492"> - Capabilities Advertisement with BGP <item> <rfc id="5492"> - Capabilities Advertisement with BGP
<item> <rfc id="5549"> - Advertising IPv4 NLRI with an IPv6 Next Hop
<item> <rfc id="5575"> - Dissemination of Flow Specification Rules <item> <rfc id="5575"> - Dissemination of Flow Specification Rules
<item> <rfc id="5668"> - 4-Octet AS Specific BGP Extended Community <item> <rfc id="5668"> - 4-Octet AS Specific BGP Extended Community
<item> <rfc id="6286"> - AS-Wide Unique BGP Identifier <item> <rfc id="6286"> - AS-Wide Unique BGP Identifier
@ -2440,6 +2439,7 @@ avoid routing loops.
<item> <rfc id="8203"> - BGP Administrative Shutdown Communication <item> <rfc id="8203"> - BGP Administrative Shutdown Communication
<item> <rfc id="8212"> - Default EBGP Route Propagation Behavior without Policies <item> <rfc id="8212"> - Default EBGP Route Propagation Behavior without Policies
<item> <rfc id="8654"> - Extended Message Support for BGP <item> <rfc id="8654"> - Extended Message Support for BGP
<item> <rfc id="8950"> - Advertising IPv4 NLRI with an IPv6 Next Hop
<item> <rfc id="9072"> - Extended Optional Parameters Length for BGP OPEN Message <item> <rfc id="9072"> - Extended Optional Parameters Length for BGP OPEN Message
<item> <rfc id="9117"> - Revised Validation Procedure for BGP Flow Specifications <item> <rfc id="9117"> - Revised Validation Procedure for BGP Flow Specifications
<item> <rfc id="9234"> - Route Leak Prevention and Detection Using Roles <item> <rfc id="9234"> - Route Leak Prevention and Detection Using Roles
@ -3100,7 +3100,7 @@ be used in explicit configuration.
associated network prefixes. This option provides an extension to use associated network prefixes. This option provides an extension to use
IPv4 next hops with IPv6 prefixes and vice versa. For IPv4 / VPNv4 IPv4 next hops with IPv6 prefixes and vice versa. For IPv4 / VPNv4
channels, the behavior is controlled by the Extended Next Hop Encoding channels, the behavior is controlled by the Extended Next Hop Encoding
capability, as described in <rfc id="5549">. For IPv6 / VPNv6 channels, capability, as described in <rfc id="8950">. For IPv6 / VPNv6 channels,
just IPv4-mapped IPv6 addresses are used, as described in just IPv4-mapped IPv6 addresses are used, as described in
<rfc id="4798"> and <rfc id="4659">. Default: off. <rfc id="4798"> and <rfc id="4659">. Default: off.

2
proto/bgp/bgp.c
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@ -86,7 +86,6 @@
* RFC 5065 - AS confederations for BGP * RFC 5065 - AS confederations for BGP
* RFC 5082 - Generalized TTL Security Mechanism * RFC 5082 - Generalized TTL Security Mechanism
* RFC 5492 - Capabilities Advertisement with BGP * RFC 5492 - Capabilities Advertisement with BGP
* RFC 5549 - Advertising IPv4 NLRI with an IPv6 Next Hop
* RFC 5575 - Dissemination of Flow Specification Rules * RFC 5575 - Dissemination of Flow Specification Rules
* RFC 5668 - 4-Octet AS Specific BGP Extended Community * RFC 5668 - 4-Octet AS Specific BGP Extended Community
* RFC 6286 - AS-Wide Unique BGP Identifier * RFC 6286 - AS-Wide Unique BGP Identifier
@ -101,6 +100,7 @@
* RFC 8203 - BGP Administrative Shutdown Communication * RFC 8203 - BGP Administrative Shutdown Communication
* RFC 8212 - Default EBGP Route Propagation Behavior without Policies * RFC 8212 - Default EBGP Route Propagation Behavior without Policies
* RFC 8654 - Extended Message Support for BGP * RFC 8654 - Extended Message Support for BGP
* RFC 8950 - Advertising IPv4 NLRI with an IPv6 Next Hop
* RFC 9072 - Extended Optional Parameters Length for BGP OPEN Message * RFC 9072 - Extended Optional Parameters Length for BGP OPEN Message
* RFC 9117 - Revised Validation Procedure for BGP Flow Specifications * RFC 9117 - Revised Validation Procedure for BGP Flow Specifications
* RFC 9234 - Route Leak Prevention and Detection Using Roles * RFC 9234 - Route Leak Prevention and Detection Using Roles

2
proto/bgp/bgp.h
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@ -232,7 +232,7 @@ struct bgp_af_caps {
u8 llgr_able; /* Long-lived GR, RFC draft */ u8 llgr_able; /* Long-lived GR, RFC draft */
u32 llgr_time; /* Long-lived GR stale time */ u32 llgr_time; /* Long-lived GR stale time */
u8 llgr_flags; /* Long-lived GR per-AF flags */ u8 llgr_flags; /* Long-lived GR per-AF flags */
u8 ext_next_hop; /* Extended IPv6 next hop, RFC 5549 */ u8 ext_next_hop; /* Extended IPv6 next hop, RFC 8950 */
u8 add_path; /* Multiple paths support, RFC 7911 */ u8 add_path; /* Multiple paths support, RFC 7911 */
}; };

6
proto/bgp/packets.c
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@ -507,7 +507,7 @@ bgp_read_capabilities(struct bgp_conn *conn, byte *pos, int len)
caps->route_refresh = 1; caps->route_refresh = 1;
break; break;
case 5: /* Extended next hop encoding capability, RFC 5549 */ case 5: /* Extended next hop encoding capability, RFC 8950 */
if (cl % 6) if (cl % 6)
goto err; goto err;
@ -1257,7 +1257,7 @@ bgp_encode_next_hop_ip(struct bgp_write_state *s, eattr *a, byte *buf, uint size
/* /*
* Both IPv4 and IPv6 next hops can be used (with ext_next_hop enabled). This * Both IPv4 and IPv6 next hops can be used (with ext_next_hop enabled). This
* is specified in RFC 5549 for IPv4 and in RFC 4798 for IPv6. The difference * is specified in RFC 8950 for IPv4 and in RFC 4798 for IPv6. The difference
* is that IPv4 address is directly encoded with IPv4 NLRI, but as IPv4-mapped * is that IPv4 address is directly encoded with IPv4 NLRI, but as IPv4-mapped
* IPv6 address with IPv6 NLRI. * IPv6 address with IPv6 NLRI.
*/ */
@ -1332,7 +1332,7 @@ bgp_encode_next_hop_vpn(struct bgp_write_state *s, eattr *a, byte *buf, uint siz
/* /*
* Both IPv4 and IPv6 next hops can be used (with ext_next_hop enabled). This * Both IPv4 and IPv6 next hops can be used (with ext_next_hop enabled). This
* is specified in RFC 5549 for VPNv4 and in RFC 4659 for VPNv6. The difference * is specified in RFC 8950 for VPNv4 and in RFC 4659 for VPNv6. The difference
* is that IPv4 address is directly encoded with VPNv4 NLRI, but as IPv4-mapped * is that IPv4 address is directly encoded with VPNv4 NLRI, but as IPv4-mapped
* IPv6 address with VPNv6 NLRI. * IPv6 address with VPNv6 NLRI.
*/ */