summaryrefslogtreecommitdiff
path: root/bgpd/bgp_open.c
diff options
context:
space:
mode:
Diffstat (limited to 'bgpd/bgp_open.c')
-rw-r--r--bgpd/bgp_open.c16
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);