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bgpd: Fix no form for neighbor X capability software-version

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If `bgp default software-version-capability` is enabled, allow unsetting this
for a single neighbor also.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
(cherry picked from commit 2038fad33e)
This commit is contained in:
Donatas Abraitis 2024-03-09 21:52:17 +02:00 committed by Mergify
parent e4885819f5
commit baf24d2fec
3 changed files with 16 additions and 4 deletions
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1
bgpd/bgp_open.c
View File

@ -1951,7 +1951,6 @@ uint16_t bgp_open_capability(struct stream *s, struct peer *peer,
* or disable its use, and that switch MUST be off by default.
*/
if (peergroup_flag_check(peer, PEER_FLAG_CAPABILITY_SOFT_VERSION) ||
CHECK_FLAG(peer->bgp->flags, BGP_FLAG_SOFT_VERSION_CAPABILITY) ||
peer->sort == BGP_PEER_IBGP || peer->sub_sort == BGP_PEER_EBGP_OAD) {
SET_FLAG(peer->cap, PEER_CAP_SOFT_VERSION_ADV);
stream_putc(s, BGP_OPEN_OPT_CAP);

16
bgpd/bgp_vty.c
View File

@ -18238,9 +18238,19 @@ static void bgp_config_write_peer_global(struct vty *vty, struct bgp *bgp,
}
/* capability software-version */
if (peergroup_flag_check(peer, PEER_FLAG_CAPABILITY_SOFT_VERSION))
vty_out(vty, " neighbor %s capability software-version\n",
addr);
if (CHECK_FLAG(bgp->flags, BGP_FLAG_SOFT_VERSION_CAPABILITY)) {
if (!peergroup_flag_check(peer,
PEER_FLAG_CAPABILITY_SOFT_VERSION))
vty_out(vty,
" no neighbor %s capability software-version\n",
addr);
} else {
if (peergroup_flag_check(peer,
PEER_FLAG_CAPABILITY_SOFT_VERSION))
vty_out(vty,
" neighbor %s capability software-version\n",
addr);
}
/* dont-capability-negotiation */
if (peergroup_flag_check(peer, PEER_FLAG_DONT_CAPABILITY))

3
bgpd/bgpd.c
View File

@ -1539,6 +1539,9 @@ struct peer *peer_new(struct bgp *bgp)
if (CHECK_FLAG(bgp->flags, BGP_FLAG_ENFORCE_FIRST_AS))
SET_FLAG(peer->flags, PEER_FLAG_ENFORCE_FIRST_AS);
if (CHECK_FLAG(bgp->flags, BGP_FLAG_SOFT_VERSION_CAPABILITY))
SET_FLAG(peer->flags, PEER_FLAG_CAPABILITY_SOFT_VERSION);
SET_FLAG(peer->flags_invert, PEER_FLAG_CAPABILITY_FQDN);
SET_FLAG(peer->flags, PEER_FLAG_CAPABILITY_FQDN);