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Merge pull request #17384 from donaldsharp/bgp_withdraw_and_unlikely

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Bgp withdraw and unlikely
This commit is contained in:
Donatas Abraitis 2024-11-08 09:20:19 +02:00 committed by GitHub
commit 3a47d1f7cb
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GPG Key ID: B5690EEEBB952194
1 changed files with 13 additions and 20 deletions
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33
bgpd/bgp_route.c
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@ -4388,12 +4388,9 @@ void bgp_rib_remove(struct bgp_dest *dest, struct bgp_path_info *pi,
bgp_process(peer->bgp, dest, pi, afi, safi);
}
static void bgp_rib_withdraw(struct bgp_dest *dest, struct bgp_path_info *pi,
struct peer *peer, afi_t afi, safi_t safi,
struct prefix_rd *prd)
static void bgp_rib_withdraw(const struct prefix *p, struct bgp_dest *dest, struct bgp_path_info *pi,
struct peer *peer, afi_t afi, safi_t safi, struct prefix_rd *prd)
{
const struct prefix *p = bgp_dest_get_prefix(dest);
/* apply dampening, if result is suppressed, we'll be retaining
* the bgp_path_info in the RIB for historical reference.
*/
@ -5038,7 +5035,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
if (get_active_bdc_from_pi(pi, afi, safi) &&
peer->sort == BGP_PEER_EBGP &&
CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) {
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
bgp_debug_rdpfxpath2str(
afi, safi, prd, p, label,
num_labels, addpath_id ? 1 : 0,
@ -5056,7 +5053,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
}
} else /* Duplicate - odd */
{
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
if (!peer->rcvd_attr_printed) {
zlog_debug(
"%pBP rcvd UPDATE w/ attr: %s",
@ -5092,7 +5089,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
/* Withdraw/Announce before we fully processed the withdraw */
if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) {
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
bgp_debug_rdpfxpath2str(
afi, safi, prd, p, label, num_labels,
addpath_id ? 1 : 0, addpath_id, evpn,
@ -5120,7 +5117,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
}
/* Received Logging. */
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
bgp_debug_rdpfxpath2str(afi, safi, prd, p, label,
num_labels, addpath_id ? 1 : 0,
addpath_id, evpn, pfx_buf,
@ -5191,7 +5188,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
bgp_attr_get_ecommunity(pi->attr),
bgp_attr_get_ecommunity(attr_new));
if (!cmp) {
if (bgp_debug_update(peer, p, NULL, 1))
if (unlikely(bgp_debug_update(peer, p, NULL, 1)))
zlog_debug(
"Change in EXT-COMM, existing %s new %s",
ecommunity_str(
@ -5301,7 +5298,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
* EVPN nexthop is decremented appropriately.
*/
else if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID)) {
if (BGP_DEBUG(nht, NHT))
if (unlikely(BGP_DEBUG(nht, NHT)))
zlog_debug("%s unimport EVPN %pFX as pi %p is not VALID",
__func__, p, pi);
bgp_evpn_unimport_route(bgp, afi, safi, p, pi);
@ -5341,7 +5338,7 @@ void bgp_update(struct peer *peer, const struct prefix *p, uint32_t addpath_id,
} // End of implicit withdraw
/* Received Logging. */
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
if (!peer->rcvd_attr_printed) {
zlog_debug("%pBP rcvd UPDATE w/ attr: %s", peer,
peer->rcvd_attr_str);
@ -5558,7 +5555,7 @@ void bgp_withdraw(struct peer *peer, const struct prefix *p,
break;
/* Logging. */
if (bgp_debug_update(peer, p, NULL, 1)) {
if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels,
addpath_id ? 1 : 0, addpath_id, NULL,
pfx_buf, sizeof(pfx_buf));
@ -5568,18 +5565,14 @@ void bgp_withdraw(struct peer *peer, const struct prefix *p,
/* Withdraw specified route from routing table. */
if (pi && !CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) {
bgp_rib_withdraw(dest, pi, peer, afi, safi, prd);
bgp_rib_withdraw(p, dest, pi, peer, afi, safi, prd);
if (SAFI_UNICAST == safi
&& (bgp->inst_type == BGP_INSTANCE_TYPE_VRF
|| bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) {
vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi);
}
if ((SAFI_MPLS_VPN == safi)
&& (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) {
} else if ((SAFI_MPLS_VPN == safi) && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT))
vpn_leak_to_vrf_withdraw(pi);
}
} else if (bgp_debug_update(peer, p, NULL, 1)) {
} else if (unlikely(bgp_debug_update(peer, p, NULL, 1))) {
bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels,
addpath_id ? 1 : 0, addpath_id, NULL,
pfx_buf, sizeof(pfx_buf));