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bgpd: Clear graceful-restart per AFI/SAFI capability flags when receiving unset

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We flushed the main capability received flag, but missed flushing per AFI/SAFI.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2023-09-22 20:35:06 +03:00
parent eceb1cab6d
commit f793136d18
1 changed files with 11 additions and 0 deletions
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11
bgpd/bgp_packet.c
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@ -2957,6 +2957,8 @@ static void bgp_dynamic_capability_graceful_restart(uint8_t *pnt, int action,
uint8_t *data = pnt + 3;
uint8_t *end = pnt + hdr->length;
size_t len = end - data;
afi_t afi;
safi_t safi;
if (action == CAPABILITY_ACTION_SET) {
if (len < sizeof(gr_restart_flag_time)) {
@ -3031,6 +3033,15 @@ static void bgp_dynamic_capability_graceful_restart(uint8_t *pnt, int action,
data += GRACEFUL_RESTART_CAPABILITY_PER_AFI_SAFI_SIZE;
}
} else {
FOREACH_AFI_SAFI (afi, safi) {
UNSET_FLAG(peer->af_cap[afi][safi],
PEER_CAP_RESTART_AF_RCV);
UNSET_FLAG(peer->af_cap[afi][safi],
PEER_CAP_RESTART_AF_PRESERVE_RCV);
}
UNSET_FLAG(peer->cap, PEER_CAP_GRACEFUL_RESTART_R_BIT_RCV);
UNSET_FLAG(peer->cap, PEER_CAP_GRACEFUL_RESTART_N_BIT_RCV);
UNSET_FLAG(peer->cap, PEER_CAP_RESTART_RCV);
}
}