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Fixes another bug in OSPFv3 vlinks.

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This commit is contained in:
Ondrej Zajicek 2012-10-31 17:14:35 +01:00
parent 8249ad9b30
commit dd4da6f640
7 changed files with 18 additions and 13 deletions
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2
proto/ospf/hello.c
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@ -261,7 +261,7 @@ ospf_hello_send(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn)
pkt->priority = ifa->priority; pkt->priority = ifa->priority;
#ifdef OSPFv3 #ifdef OSPFv3
pkt->iface_id = htonl(ifa->iface->index); pkt->iface_id = htonl(ifa->iface_id);
pkt->options3 = ifa->oa->options >> 16; pkt->options3 = ifa->oa->options >> 16;
pkt->options2 = ifa->oa->options >> 8; pkt->options2 = ifa->oa->options >> 8;

2
proto/ospf/iface.c
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@ -567,6 +567,8 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
log(L_WARN "%s: Cannot use interface %s as %s, forcing %s", log(L_WARN "%s: Cannot use interface %s as %s, forcing %s",
p->name, iface->name, ospf_it[old_type], ospf_it[ifa->type]); p->name, iface->name, ospf_it[old_type], ospf_it[ifa->type]);
/* Assign iface ID, for vlinks, this is ugly hack */
ifa->iface_id = (ifa->type != OSPF_IT_VLINK) ? iface->index : oa->po->last_vlink_id++;
init_list(&ifa->neigh_list); init_list(&ifa->neigh_list);
init_list(&ifa->nbma_list); init_list(&ifa->nbma_list);

2
proto/ospf/lsupd.c
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@ -123,7 +123,7 @@ ospf_lsa_flooding_allowed(struct ospf_lsa_header *lsa, u32 domain, struct ospf_i
switch (scope) switch (scope)
{ {
case LSA_SCOPE_LINK: case LSA_SCOPE_LINK:
return ifa->iface->index == domain; return ifa->iface_id == domain;
case LSA_SCOPE_AREA: case LSA_SCOPE_AREA:
return ifa->oa->areaid == domain; return ifa->oa->areaid == domain;

2
proto/ospf/neighbor.c
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@ -459,7 +459,7 @@ bdr_election(struct ospf_iface *ifa)
#else /* OSPFv3 */ #else /* OSPFv3 */
me.dr = ifa->drid; me.dr = ifa->drid;
me.bdr = ifa->bdrid; me.bdr = ifa->bdrid;
me.iface_id = ifa->iface->index; me.iface_id = ifa->iface_id;
#endif #endif
add_tail(&ifa->neigh_list, NODE & me); add_tail(&ifa->neigh_list, NODE & me);

1
proto/ospf/ospf.c
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@ -232,6 +232,7 @@ ospf_start(struct proto *p)
struct ospf_area_config *ac; struct ospf_area_config *ac;
po->router_id = proto_get_router_id(p->cf); po->router_id = proto_get_router_id(p->cf);
po->last_vlink_id = 0x80000000;
po->rfc1583 = c->rfc1583; po->rfc1583 = c->rfc1583;
po->ebit = 0; po->ebit = 0;
po->ecmp = c->ecmp; po->ecmp = c->ecmp;

4
proto/ospf/ospf.h
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@ -189,7 +189,8 @@ struct ospf_iface
u32 rxmtint; /* number of seconds between LSA retransmissions */ u32 rxmtint; /* number of seconds between LSA retransmissions */
u32 pollint; /* Poll interval */ u32 pollint; /* Poll interval */
u32 deadint; /* after "deadint" missing hellos is router dead */ u32 deadint; /* after "deadint" missing hellos is router dead */
u32 vid; /* Id of peer of virtual link */ u32 iface_id; /* Interface ID (iface->index or new value for vlinks) */
u32 vid; /* ID of peer of virtual link */
ip_addr vip; /* IP of peer of virtual link */ ip_addr vip; /* IP of peer of virtual link */
struct ospf_iface *vifa; /* OSPF iface which the vlink goes through */ struct ospf_iface *vifa; /* OSPF iface which the vlink goes through */
struct ospf_area *voa; /* OSPF area which the vlink goes through */ struct ospf_area *voa; /* OSPF area which the vlink goes through */
@ -776,6 +777,7 @@ struct proto_ospf
int lsab_size, lsab_used; int lsab_size, lsab_used;
linpool *nhpool; /* Linpool used for next hops computed in SPF */ linpool *nhpool; /* Linpool used for next hops computed in SPF */
u32 router_id; u32 router_id;
u32 last_vlink_id; /* Interface IDs for vlinks (starts at 0x80000000) */
}; };
struct ospf_iface_patt struct ospf_iface_patt

18
proto/ospf/topology.c
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@ -259,7 +259,7 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length)
ln->type = LSART_PTP; ln->type = LSART_PTP;
ln->id = neigh->rid; ln->id = neigh->rid;
ln->data = (ifa->addr->flags & IA_PEER) ? ln->data = (ifa->addr->flags & IA_PEER) ?
ifa->iface->index : ipa_to_u32(ifa->addr->ip); ifa->iface_id : ipa_to_u32(ifa->addr->ip);
ln->metric = ifa->cost; ln->metric = ifa->cost;
ln->padding = 0; ln->padding = 0;
i++; i++;
@ -368,7 +368,7 @@ add_lsa_rt_link(struct proto_ospf *po, struct ospf_iface *ifa, u8 type, u32 nif,
ln->type = type; ln->type = type;
ln->padding = 0; ln->padding = 0;
ln->metric = ifa->cost; ln->metric = ifa->cost;
ln->lif = ifa->iface->index; ln->lif = ifa->iface_id;
ln->nif = nif; ln->nif = nif;
ln->id = id; ln->id = id;
} }
@ -546,7 +546,7 @@ originate_net_lsa_body(struct ospf_iface *ifa, u16 *length,
if (n->state == NEIGHBOR_FULL) if (n->state == NEIGHBOR_FULL)
{ {
#ifdef OSPFv3 #ifdef OSPFv3
en = ospf_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK); en = ospf_hash_find(po->gr, ifa->iface_id, n->iface_id, n->rid, LSA_T_LINK);
if (en) if (en)
options |= ((struct ospf_lsa_link *) en->lsa_body)->options; options |= ((struct ospf_lsa_link *) en->lsa_body)->options;
#endif #endif
@ -596,7 +596,7 @@ originate_net_lsa(struct ospf_iface *ifa)
lsa.options = ifa->oa->options; lsa.options = ifa->oa->options;
lsa.id = ipa_to_u32(ifa->addr->ip); lsa.id = ipa_to_u32(ifa->addr->ip);
#else /* OSPFv3 */ #else /* OSPFv3 */
lsa.id = ifa->iface->index; lsa.id = ifa->iface_id;
#endif #endif
lsa.rt = po->router_id; lsa.rt = po->router_id;
@ -1207,10 +1207,10 @@ originate_link_lsa(struct ospf_iface *ifa)
lsa.age = 0; lsa.age = 0;
lsa.type = LSA_T_LINK; lsa.type = LSA_T_LINK;
lsa.id = ifa->iface->index; lsa.id = ifa->iface_id;
lsa.rt = po->router_id; lsa.rt = po->router_id;
lsa.sn = get_seqnum(ifa->link_lsa); lsa.sn = get_seqnum(ifa->link_lsa);
u32 dom = ifa->iface->index; u32 dom = ifa->iface_id;
body = originate_link_lsa_body(ifa, &lsa.length); body = originate_link_lsa_body(ifa, &lsa.length);
lsasum_calculate(&lsa, body); lsasum_calculate(&lsa, body);
@ -1471,7 +1471,7 @@ originate_prefix_net_lsa_body(struct ospf_iface *ifa, u16 *length)
WALK_LIST(n, ifa->neigh_list) WALK_LIST(n, ifa->neigh_list)
if ((n->state == NEIGHBOR_FULL) && if ((n->state == NEIGHBOR_FULL) &&
(en = ospf_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK))) (en = ospf_hash_find(po->gr, ifa->iface_id, n->iface_id, n->rid, LSA_T_LINK)))
add_link_lsa(po, en, offset, &pxc); add_link_lsa(po, en, offset, &pxc);
lp = po->lsab; lp = po->lsab;
@ -1493,7 +1493,7 @@ originate_prefix_net_lsa(struct ospf_iface *ifa)
lsa.age = 0; lsa.age = 0;
lsa.type = LSA_T_PREFIX; lsa.type = LSA_T_PREFIX;
lsa.id = ifa->iface->index; lsa.id = ifa->iface_id;
lsa.rt = po->router_id; lsa.rt = po->router_id;
lsa.sn = get_seqnum(ifa->pxn_lsa); lsa.sn = get_seqnum(ifa->pxn_lsa);
u32 dom = ifa->oa->areaid; u32 dom = ifa->oa->areaid;
@ -1664,7 +1664,7 @@ ospf_lsa_domain(u32 type, struct ospf_iface *ifa)
switch (type & LSA_SCOPE_MASK) switch (type & LSA_SCOPE_MASK)
{ {
case LSA_SCOPE_LINK: case LSA_SCOPE_LINK:
return ifa->iface->index; return ifa->iface_id;
case LSA_SCOPE_AREA: case LSA_SCOPE_AREA:
return ifa->oa->areaid; return ifa->oa->areaid;