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Merge pull request #15618 from opensourcerouting/fix/bgp_optimize_suppress_path

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bgpd: Optimize the path for suppressed announcements
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Donald Sharp 2024-04-03 08:36:31 -04:00 committed by GitHub
commit 3d66dd3e86
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1 changed files with 6 additions and 4 deletions
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10
bgpd/bgp_updgrp_adv.c
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@ -532,7 +532,7 @@ bool bgp_adj_out_set_subgroup(struct bgp_dest *dest,
struct peer *adv_peer; struct peer *adv_peer;
struct peer_af *paf; struct peer_af *paf;
struct bgp *bgp; struct bgp *bgp;
uint32_t attr_hash = attrhash_key_make(attr); uint32_t attr_hash = 0;
peer = SUBGRP_PEER(subgrp); peer = SUBGRP_PEER(subgrp);
afi = SUBGRP_AFI(subgrp); afi = SUBGRP_AFI(subgrp);
@ -567,9 +567,11 @@ bool bgp_adj_out_set_subgroup(struct bgp_dest *dest,
* the route wasn't changed actually. * the route wasn't changed actually.
* Do not suppress BGP UPDATES for route-refresh. * Do not suppress BGP UPDATES for route-refresh.
*/ */
if (CHECK_FLAG(bgp->flags, BGP_FLAG_SUPPRESS_DUPLICATES) if (likely(CHECK_FLAG(bgp->flags, BGP_FLAG_SUPPRESS_DUPLICATES)))
&& !CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_FORCE_UPDATES) attr_hash = attrhash_key_make(attr);
&& adj->attr_hash == attr_hash) {
if (!CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_FORCE_UPDATES) &&
attr_hash && adj->attr_hash == attr_hash) {
if (BGP_DEBUG(update, UPDATE_OUT)) { if (BGP_DEBUG(update, UPDATE_OUT)) {
char attr_str[BUFSIZ] = {0}; char attr_str[BUFSIZ] = {0};