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Merge pull request #12115 from donaldsharp/ospf_unnumbered_showdown

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ospfd: Allow unnumbered and numbered addresses to co-exist better
This commit is contained in:
Russ White 2022-10-13 11:02:17 -04:00 committed by GitHub
commit fd30c2467a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 4 deletions
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11
ospfd/ospf_interface.c
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@ -461,13 +461,13 @@ struct ospf_interface *ospf_if_lookup_recv_if(struct ospf *ospf,
{
struct route_node *rn;
struct prefix_ipv4 addr;
struct ospf_interface *oi, *match;
struct ospf_interface *oi, *match, *unnumbered_match;
addr.family = AF_INET;
addr.prefix = src;
addr.prefixlen = IPV4_MAX_BITLEN;
match = NULL;
match = unnumbered_match = NULL;
for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
oi = rn->info;
@ -482,7 +482,7 @@ struct ospf_interface *ospf_if_lookup_recv_if(struct ospf *ospf,
continue;
if (CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED))
match = oi;
unnumbered_match = oi;
else if (prefix_match(CONNECTED_PREFIX(oi->connected),
(struct prefix *)&addr)) {
if ((match == NULL) || (match->address->prefixlen
@ -491,7 +491,10 @@ struct ospf_interface *ospf_if_lookup_recv_if(struct ospf *ospf,
}
}
return match;
if (match)
return match;
return unnumbered_match;
}
void ospf_interface_fifo_flush(struct ospf_interface *oi)