diff options
| author | Donatas Abraitis <donatas.abraitis@gmail.com> | 2020-10-01 23:08:06 +0300 |
|---|---|---|
| committer | Donatas Abraitis <donatas.abraitis@gmail.com> | 2021-01-05 20:19:41 +0200 |
| commit | 9af52ccf813f936a571822f4330fea281dbe13b4 (patch) | |
| tree | 39dec0bf2fade1b91fe4811b22ed803911dc4ff3 /bgpd/bgp_open.c | |
| parent | 923c631fde0b6a6cf7388038fff16354bedf5bab (diff) | |
bgpd: Implement enhanced route refresh capability
16:40:49 BGP: 192.168.0.2: sending route-refresh (BoRR) for IPv4/unicast
16:40:51 BGP: 192.168.0.2: sending route-refresh (EoRR) for IPv4/unicast
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
Diffstat (limited to 'bgpd/bgp_open.c')
| -rw-r--r-- | bgpd/bgp_open.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/bgpd/bgp_open.c b/bgpd/bgp_open.c index 6cfcb9cc3d..533518cf93 100644 --- a/bgpd/bgp_open.c +++ b/bgpd/bgp_open.c @@ -760,6 +760,7 @@ static const struct message capcode_str[] = { {CAPABILITY_CODE_REFRESH_OLD, "Route Refresh (Old)"}, {CAPABILITY_CODE_ORF_OLD, "ORF (Old)"}, {CAPABILITY_CODE_FQDN, "FQDN"}, + {CAPABILITY_CODE_ENHANCED_RR, "Enhanced Route Refresh"}, {0}}; /* Minimum sizes for length field of each cap (so not inc. the header) */ @@ -776,6 +777,7 @@ static const size_t cap_minsizes[] = { [CAPABILITY_CODE_REFRESH_OLD] = CAPABILITY_CODE_REFRESH_LEN, [CAPABILITY_CODE_ORF_OLD] = CAPABILITY_CODE_ORF_LEN, [CAPABILITY_CODE_FQDN] = CAPABILITY_CODE_MIN_FQDN_LEN, + [CAPABILITY_CODE_ENHANCED_RR] = CAPABILITY_CODE_ENHANCED_LEN, }; /* value the capability must be a multiple of. @@ -796,6 +798,7 @@ static const size_t cap_modsizes[] = { [CAPABILITY_CODE_REFRESH_OLD] = 1, [CAPABILITY_CODE_ORF_OLD] = 1, [CAPABILITY_CODE_FQDN] = 1, + [CAPABILITY_CODE_ENHANCED_RR] = 1, }; /** @@ -863,6 +866,7 @@ static int bgp_capability_parse(struct peer *peer, size_t length, case CAPABILITY_CODE_DYNAMIC_OLD: case CAPABILITY_CODE_ENHE: case CAPABILITY_CODE_FQDN: + case CAPABILITY_CODE_ENHANCED_RR: /* Check length. */ if (caphdr.length < cap_minsizes[caphdr.code]) { zlog_info( @@ -913,10 +917,13 @@ static int bgp_capability_parse(struct peer *peer, size_t length, ret = 0; /* Don't return error for this */ } } break; + case CAPABILITY_CODE_ENHANCED_RR: case CAPABILITY_CODE_REFRESH: case CAPABILITY_CODE_REFRESH_OLD: { /* BGP refresh capability */ - if (caphdr.code == CAPABILITY_CODE_REFRESH_OLD) + if (caphdr.code == CAPABILITY_CODE_ENHANCED_RR) + SET_FLAG(peer->cap, PEER_CAP_ENHANCED_RR_RCV); + else if (caphdr.code == CAPABILITY_CODE_REFRESH_OLD) SET_FLAG(peer->cap, PEER_CAP_REFRESH_OLD_RCV); else SET_FLAG(peer->cap, PEER_CAP_REFRESH_NEW_RCV); @@ -1450,6 +1457,13 @@ void bgp_open_capability(struct stream *s, struct peer *peer) stream_putc(s, CAPABILITY_CODE_REFRESH); stream_putc(s, CAPABILITY_CODE_REFRESH_LEN); + /* Enhanced Route Refresh. */ + SET_FLAG(peer->cap, PEER_CAP_ENHANCED_RR_ADV); + stream_putc(s, BGP_OPEN_OPT_CAP); + stream_putc(s, CAPABILITY_CODE_ENHANCED_LEN + 2); + stream_putc(s, CAPABILITY_CODE_ENHANCED_RR); + stream_putc(s, CAPABILITY_CODE_ENHANCED_LEN); + /* AS4 */ SET_FLAG(peer->cap, PEER_CAP_AS4_ADV); stream_putc(s, BGP_OPEN_OPT_CAP); |