diff options
author | Denis Ovsienko <infrastation@yandex.ru> | 2011-08-05 18:52:52 +0400 |
---|---|---|
committer | Denis Ovsienko <infrastation@yandex.ru> | 2011-08-05 18:52:52 +0400 |
commit | 5c98c5a7b1d3d71ff40b477b246b859cd22ddeed (patch) | |
tree | 957b31b1c50f75a08f157630803e1f26c27222c7 /bgpd/bgp_nexthop.c | |
parent | 0ddff5764f736c0a6d0d07b28bf98970624f263b (diff) |
bgpd: touch nexthop handling code
bgp_nexthop_lookup_ipv6(): declare variables where they are actually
used, drop no-op initialization (the field is already 0)
bgp_nexthop_lookup(): ditto
bgp_nexthop_check_ebgp(): rename to bgp_nexthop_onlink()
bgp_nexthop_cache_changed(): rename to bgp_nexthop_cache_different()
Diffstat (limited to 'bgpd/bgp_nexthop.c')
-rw-r--r-- | bgpd/bgp_nexthop.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/bgpd/bgp_nexthop.c b/bgpd/bgp_nexthop.c index 0cde665e..de303e34 100644 --- a/bgpd/bgp_nexthop.c +++ b/bgpd/bgp_nexthop.c @@ -146,7 +146,7 @@ bgp_nexthop_same (struct nexthop *next1, struct nexthop *next2) } static int -bgp_nexthop_cache_changed (struct bgp_nexthop_cache *bnc1, +bgp_nexthop_cache_different (struct bgp_nexthop_cache *bnc1, struct bgp_nexthop_cache *bnc2) { int i; @@ -171,7 +171,7 @@ bgp_nexthop_cache_changed (struct bgp_nexthop_cache *bnc1, /* If nexthop exists on connected network return 1. */ int -bgp_nexthop_check_ebgp (afi_t afi, struct attr *attr) +bgp_nexthop_onlink (afi_t afi, struct attr *attr) { struct bgp_node *rn; @@ -256,12 +256,11 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed, bnc = zlookup_query_ipv6 (&attr->extra->mp_nexthop_global); if (bnc) { - struct bgp_table *old; - struct bgp_node *oldrn; - struct bgp_nexthop_cache *oldbnc; - if (changed) { + struct bgp_table *old; + struct bgp_node *oldrn; + if (bgp_nexthop_cache_table[AFI_IP6] == cache1_table[AFI_IP6]) old = cache2_table[AFI_IP6]; else @@ -270,9 +269,9 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed, oldrn = bgp_node_lookup (old, &p); if (oldrn) { - oldbnc = oldrn->info; + struct bgp_nexthop_cache *oldbnc = oldrn->info; - bnc->changed = bgp_nexthop_cache_changed (bnc, oldbnc); + bnc->changed = bgp_nexthop_cache_different (bnc, oldbnc); if (bnc->metric != oldbnc->metric) bnc->metricchanged = 1; @@ -282,7 +281,6 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed, else { bnc = bnc_new (); - bnc->valid = 0; } rn->info = bnc; } @@ -345,12 +343,11 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri, bnc = zlookup_query (addr); if (bnc) { - struct bgp_table *old; - struct bgp_node *oldrn; - struct bgp_nexthop_cache *oldbnc; - if (changed) { + struct bgp_table *old; + struct bgp_node *oldrn; + if (bgp_nexthop_cache_table[AFI_IP] == cache1_table[AFI_IP]) old = cache2_table[AFI_IP]; else @@ -359,9 +356,9 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri, oldrn = bgp_node_lookup (old, &p); if (oldrn) { - oldbnc = oldrn->info; + struct bgp_nexthop_cache *oldbnc = oldrn->info; - bnc->changed = bgp_nexthop_cache_changed (bnc, oldbnc); + bnc->changed = bgp_nexthop_cache_different (bnc, oldbnc); if (bnc->metric != oldbnc->metric) bnc->metricchanged = 1; @@ -371,7 +368,6 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri, else { bnc = bnc_new (); - bnc->valid = 0; } rn->info = bnc; } @@ -458,7 +454,7 @@ bgp_scan (afi_t afi, safi_t safi) metricchanged = 0; if (peer_sort (bi->peer) == BGP_PEER_EBGP && bi->peer->ttl == 1) - valid = bgp_nexthop_check_ebgp (afi, bi->attr); + valid = bgp_nexthop_onlink (afi, bi->attr); else valid = bgp_nexthop_lookup (afi, bi->peer, bi, &changed, &metricchanged); |