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-rw-r--r--proto/ospf/Makefile9
-rw-r--r--proto/ospf/config.Y49
-rw-r--r--proto/ospf/hello.c8
-rw-r--r--proto/ospf/iface.c48
-rw-r--r--proto/ospf/lsalib.c30
-rw-r--r--proto/ospf/lsalib.h2
-rw-r--r--proto/ospf/lsupd.c2
-rw-r--r--proto/ospf/neighbor.c5
-rw-r--r--proto/ospf/ospf.c114
-rw-r--r--proto/ospf/ospf.h106
-rw-r--r--proto/ospf/packet.c14
-rw-r--r--proto/ospf/rt.c321
-rw-r--r--proto/ospf/rt.h4
-rw-r--r--proto/ospf/topology.c113
-rw-r--r--proto/ospf/topology.h4
15 files changed, 430 insertions, 399 deletions
diff --git a/proto/ospf/Makefile b/proto/ospf/Makefile
index f90222cf..fe52ed30 100644
--- a/proto/ospf/Makefile
+++ b/proto/ospf/Makefile
@@ -1,5 +1,4 @@
-source=ospf.c topology.c packet.c hello.c neighbor.c iface.c dbdes.c lsreq.c lsupd.c lsack.c lsalib.c rt.c
-root-rel=../../
-dir-name=proto/ospf
-
-include ../../Rules
+src := dbdes.c hello.c iface.c lsack.c lsalib.c lsreq.c lsupd.c neighbor.c ospf.c packet.c rt.c topology.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/ospf/config.Y b/proto/ospf/config.Y
index c859960f..297774b5 100644
--- a/proto/ospf/config.Y
+++ b/proto/ospf/config.Y
@@ -68,6 +68,10 @@ ospf_proto_finish(void)
if (EMPTY_LIST(cf->area_list))
cf_error( "No configured areas in OSPF");
+ /* Define default channel */
+ if (EMPTY_LIST(this_proto->channels))
+ channel_config_new(NULL, this_proto->net_type, this_proto);
+
int areano = 0;
int backbone = 0;
int nssa = 0;
@@ -84,7 +88,7 @@ ospf_proto_finish(void)
cf->abr = areano > 1;
/* Route export or NSSA translation (RFC 3101 3.1) */
- cf->asbr = (this_proto->out_filter != FILTER_REJECT) || (nssa && cf->abr);
+ cf->asbr = (proto_cf_main_channel(this_proto)->out_filter != FILTER_REJECT) || (nssa && cf->abr);
if (cf->abr && !backbone)
{
@@ -130,25 +134,32 @@ CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN, VIRTUAL, CHECK, LINK, ONLY, BFD)
CF_KEYWORDS(RX, BUFFER, LARGE, NORMAL, STUBNET, HIDDEN, SUMMARY, TAG, EXTERNAL)
CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY)
CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF, INSTANCE, REAL, NETMASK, TX, PRIORITY, LENGTH)
-CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION)
+CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION, OSPF2, OSPF3)
-%type <t> opttext
%type <ld> lsadb_args
-%type <i> nbma_eligible
+%type <i> ospf_variant nbma_eligible
CF_GRAMMAR
CF_ADDTO(proto, ospf_proto '}' { ospf_proto_finish(); } )
-ospf_proto_start: proto_start OSPF {
- this_proto = proto_config_new(&proto_ospf, $1);
- init_list(&OSPF_CFG->area_list);
- init_list(&OSPF_CFG->vlink_list);
- OSPF_CFG->tick = OSPF_DEFAULT_TICK;
- OSPF_CFG->ospf2 = OSPF_IS_V2;
- }
+ospf_variant:
+ OSPF { $$ = 1; }
+ | OSPF2 { $$ = 1; }
+ | OSPF3 { $$ = 0; }
;
+ospf_proto_start: proto_start ospf_variant
+{
+ this_proto = proto_config_new(&proto_ospf, $1);
+ this_proto->net_type = $2 ? NET_IP4 : NET_IP6;
+
+ init_list(&OSPF_CFG->area_list);
+ init_list(&OSPF_CFG->vlink_list);
+ OSPF_CFG->tick = OSPF_DEFAULT_TICK;
+ OSPF_CFG->ospf2 = $2;
+};
+
ospf_proto:
ospf_proto_start proto_name '{'
| ospf_proto ospf_proto_item ';'
@@ -156,6 +167,7 @@ ospf_proto:
ospf_proto_item:
proto_item
+ | proto_channel
| RFC1583COMPAT bool { OSPF_CFG->rfc1583 = $2; }
| STUB ROUTER bool { OSPF_CFG->stub_router = $3; }
| ECMP bool { OSPF_CFG->ecmp = $2 ? OSPF_DEFAULT_ECMP_LIMIT : 0; }
@@ -212,10 +224,10 @@ ospf_stubnet:
;
ospf_stubnet_start:
- prefix {
+ net_ip {
this_stubnet = cfg_allocz(sizeof(struct ospf_stubnet_config));
add_tail(&this_area->stubnet_list, NODE this_stubnet);
- this_stubnet->px = $1;
+ this_stubnet->prefix = $1;
this_stubnet->cost = COST_D;
}
;
@@ -311,7 +323,6 @@ ospf_iface_item:
| TTL SECURITY bool { OSPF_PATT->ttl_security = $3; }
| TTL SECURITY TX ONLY { OSPF_PATT->ttl_security = 2; }
| BFD bool { OSPF_PATT->bfd = $2; cf_check_bfd($2); }
- | SECONDARY bool { OSPF_PATT->bsd_secondary = $2; }
| password_list { ospf_check_auth(); }
;
@@ -322,12 +333,11 @@ pref_list:
pref_item: pref_base pref_opt ';' ;
-pref_base: prefix
+pref_base: net_ip
{
this_pref = cfg_allocz(sizeof(struct area_net_config));
add_tail(this_nets, NODE this_pref);
- this_pref->px.addr = $1.addr;
- this_pref->px.len = $1.len;
+ this_pref->prefix = $1;
}
;
@@ -401,11 +411,6 @@ ospf_iface:
ospf_iface_start ospf_iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); }
;
-opttext:
- TEXT
- | /* empty */ { $$ = NULL; }
- ;
-
CF_ADDTO(dynamic_attr, OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC1); })
CF_ADDTO(dynamic_attr, OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC2); })
CF_ADDTO(dynamic_attr, OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_TAG); })
diff --git a/proto/ospf/hello.c b/proto/ospf/hello.c
index 50cf1407..3fbb6167 100644
--- a/proto/ospf/hello.c
+++ b/proto/ospf/hello.c
@@ -74,7 +74,7 @@ ospf_send_hello(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn)
((ifa->type == OSPF_IT_PTP) && !ifa->ptp_netmask))
ps->netmask = 0;
else
- ps->netmask = htonl(u32_mkmask(ifa->addr->pxlen));
+ ps->netmask = htonl(u32_mkmask(ifa->addr->prefix.pxlen));
ps->helloint = ntohs(ifa->helloint);
ps->options = ifa->oa->options;
@@ -105,7 +105,7 @@ ospf_send_hello(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn)
}
i = 0;
- max = (ospf_pkt_maxsize(ifa) - length) / sizeof(u32);
+ max = (ospf_pkt_maxsize(p, ifa) - length) / sizeof(u32);
/* Fill all neighbors */
if (kind != OHS_SHUTDOWN)
@@ -198,7 +198,7 @@ ospf_receive_hello(struct ospf_packet *pkt, struct ospf_iface *ifa,
/* RFC 2328 10.5 */
/*
- * We may not yet havethe associate neighbor, so we use Router ID from the
+ * We may not yet have the associate neighbor, so we use Router ID from the
* packet instead of one from the neighbor structure for log messages.
*/
u32 rcv_rid = ntohl(pkt->routerid);
@@ -224,7 +224,7 @@ ospf_receive_hello(struct ospf_packet *pkt, struct ospf_iface *ifa,
int pxlen = u32_masklen(ntohl(ps->netmask));
if ((ifa->type != OSPF_IT_VLINK) &&
(ifa->type != OSPF_IT_PTP) &&
- (pxlen != ifa->addr->pxlen))
+ (pxlen != ifa->addr->prefix.pxlen))
DROP("prefix length mismatch", pxlen);
neighbors = ps->neighbors;
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 67ae094d..4548f6da 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -67,7 +67,9 @@ ifa_flood_queue_size(struct ospf_iface *ifa)
int
ospf_iface_assure_bufsize(struct ospf_iface *ifa, uint plen)
{
- plen += SIZE_OF_IP_HEADER;
+ struct ospf_proto *p = ifa->oa->po;
+
+ plen += ospf_is_v2(p) ? IP4_HEADER_LENGTH : IP6_HEADER_LENGTH;
/* This is relevant just for OSPFv2 */
if (ifa->autype == OSPF_AUTH_CRYPT)
@@ -109,6 +111,7 @@ ospf_sk_open(struct ospf_iface *ifa)
sk->dport = OSPF_PROTO;
sk->saddr = ifa->addr->ip;
sk->iface = ifa->iface;
+ sk->fam = ospf_is_v2(p) ? SK_FAM_IPV4 : SK_FAM_IPV6;
sk->tos = ifa->cf->tx_tos;
sk->priority = ifa->cf->tx_priority;
@@ -191,6 +194,7 @@ ospf_open_vlink_sk(struct ospf_proto *p)
sock *sk = sk_new(p->p.pool);
sk->type = SK_IP;
sk->dport = OSPF_PROTO;
+ sk->fam = ospf_is_v2(p) ? SK_FAM_IPV4 : SK_FAM_IPV6;
/* FIXME: configurable tos/priority ? */
sk->tos = IP_PREC_INTERNET_CONTROL;
@@ -235,8 +239,8 @@ ospf_iface_down(struct ospf_iface *ifa)
OSPF_TRACE(D_EVENTS, "Removing interface %s (peer %I) from area %R",
ifa->ifname, ifa->addr->opposite, ifa->oa->areaid);
else
- OSPF_TRACE(D_EVENTS, "Removing interface %s (%I/%d) from area %R",
- ifa->ifname, ifa->addr->prefix, ifa->addr->pxlen, ifa->oa->areaid);
+ OSPF_TRACE(D_EVENTS, "Removing interface %s (%N) from area %R",
+ ifa->ifname, &ifa->addr->prefix, ifa->oa->areaid);
/* First of all kill all the related vlinks */
WALK_LIST(iff, p->iface_list)
@@ -521,15 +525,6 @@ ospf_iface_stubby(struct ospf_iface_patt *ip, struct ifa *addr)
if (addr->iface->flags & IF_LOOPBACK)
return 1;
- /*
- * For compatibility reasons on BSD systems, we force OSPF
- * interfaces with non-primary IP prefixes to be stub.
- */
-#if defined(OSPFv2) && !defined(CONFIG_MC_PROPER_SRC)
- if (!ip->bsd_secondary && !(addr->flags & IA_PRIMARY))
- return 1;
-#endif
-
return ip->stub;
}
@@ -548,8 +543,8 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
OSPF_TRACE(D_EVENTS, "Adding interface %s (peer %I) to area %R",
iface->name, addr->opposite, oa->areaid);
else
- OSPF_TRACE(D_EVENTS, "Adding interface %s (%I/%d) to area %R",
- iface->name, addr->prefix, addr->pxlen, oa->areaid);
+ OSPF_TRACE(D_EVENTS, "Adding interface %s (%N) to area %R",
+ iface->name, &addr->prefix, oa->areaid);
pool = rp_new(p->p.pool, "OSPF Interface");
ifa = mb_allocz(pool, sizeof(struct ospf_iface));
@@ -586,6 +581,7 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
if (ip->ptp_netmask < 2)
ifa->ptp_netmask = ip->ptp_netmask;
+ ifa->drip = ifa->bdrip = ospf_is_v2(p) ? IPA_NONE4 : IPA_NONE6;
ifa->type = ospf_iface_classify(ip->type, addr);
@@ -625,7 +621,7 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
should be used). Because OSPFv3 iface is not subnet-specific,
there is no need for ipa_in_net() check */
- if (ospf_is_v2(p) && !ipa_in_net(nb->ip, addr->prefix, addr->pxlen))
+ if (ospf_is_v2(p) && !ipa_in_netX(nb->ip, &addr->prefix))
continue;
if (ospf_is_v3(p) && !ipa_is_link_local(nb->ip))
@@ -638,7 +634,7 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
add_tail(&oa->po->iface_list, NODE ifa);
struct object_lock *lock = olock_new(pool);
- lock->addr = ospf_is_v2(p) ? ifa->addr->prefix : IPA_NONE;
+ lock->addr = ospf_is_v2(p) ? ipa_from_ip4(net4_prefix(&ifa->addr->prefix)) : IPA_NONE;
lock->type = OBJLOCK_IP;
lock->port = OSPF_PROTO;
lock->inst = ifa->instance_id;
@@ -884,7 +880,7 @@ ospf_iface_reconfigure(struct ospf_iface *ifa, struct ospf_iface_patt *new)
WALK_LIST(nb, new->nbma_list)
{
/* See related note in ospf_iface_new() */
- if (ospf_is_v2(p) && !ipa_in_net(nb->ip, ifa->addr->prefix, ifa->addr->pxlen))
+ if (ospf_is_v2(p) && !ipa_in_netX(nb->ip, &ifa->addr->prefix))
continue;
if (ospf_is_v3(p) && !ipa_is_link_local(nb->ip))
@@ -1071,6 +1067,9 @@ ospf_ifa_notify2(struct proto *P, uint flags, struct ifa *a)
{
struct ospf_proto *p = (struct ospf_proto *) P;
+ if (a->prefix.type != NET_IP4)
+ return;
+
if (a->flags & IA_SECONDARY)
return;
@@ -1100,6 +1099,9 @@ ospf_ifa_notify3(struct proto *P, uint flags, struct ifa *a)
{
struct ospf_proto *p = (struct ospf_proto *) P;
+ if (a->prefix.type != NET_IP6)
+ return;
+
if (a->flags & IA_SECONDARY)
return;
@@ -1152,6 +1154,9 @@ ospf_reconfigure_ifaces2(struct ospf_proto *p)
WALK_LIST(a, iface->addrs)
{
+ if (a->prefix.type != NET_IP4)
+ continue;
+
if (a->flags & IA_SECONDARY)
continue;
@@ -1170,8 +1175,8 @@ ospf_reconfigure_ifaces2(struct ospf_proto *p)
continue;
/* Hard restart */
- log(L_INFO "%s: Restarting interface %s (%I/%d) in area %R",
- p->p.name, ifa->ifname, a->prefix, a->pxlen, s.oa->areaid);
+ log(L_INFO "%s: Restarting interface %s (%N) in area %R",
+ p->p.name, ifa->ifname, &a->prefix, s.oa->areaid);
ospf_iface_shutdown(ifa);
ospf_iface_remove(ifa);
}
@@ -1195,6 +1200,9 @@ ospf_reconfigure_ifaces3(struct ospf_proto *p)
WALK_LIST(a, iface->addrs)
{
+ if (a->prefix.type != NET_IP6)
+ continue;
+
if (a->flags & IA_SECONDARY)
continue;
@@ -1326,7 +1334,7 @@ ospf_iface_info(struct ospf_iface *ifa)
else if (ifa->addr->flags & IA_PEER)
cli_msg(-1015, "Interface %s (peer %I)", ifa->ifname, ifa->addr->opposite);
else
- cli_msg(-1015, "Interface %s (%I/%d)", ifa->ifname, ifa->addr->prefix, ifa->addr->pxlen);
+ cli_msg(-1015, "Interface %s (%N)", ifa->ifname, &ifa->addr->prefix);
cli_msg(-1015, "\tType: %s%s", ospf_it[ifa->type], more);
cli_msg(-1015, "\tArea: %R (%u)", ifa->oa->areaid, ifa->oa->areaid);
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
index 1bbd1372..b4d2faba 100644
--- a/proto/ospf/lsalib.c
+++ b/proto/ospf/lsalib.c
@@ -280,21 +280,19 @@ lsa_walk_rt(struct ospf_lsa_rt_walk *rt)
void
-lsa_parse_sum_net(struct top_hash_entry *en, int ospf2, ip_addr *ip, int *pxlen, u8 *pxopts, u32 *metric)
+lsa_parse_sum_net(struct top_hash_entry *en, int ospf2, net_addr *net, u8 *pxopts, u32 *metric)
{
if (ospf2)
{
struct ospf_lsa_sum2 *ls = en->lsa_body;
- *ip = ipa_from_u32(en->lsa.id & ls->netmask);
- *pxlen = u32_masklen(ls->netmask);
+ net_fill_ip4(net, ip4_from_u32(en->lsa.id & ls->netmask), u32_masklen(ls->netmask));
*pxopts = 0;
*metric = ls->metric & LSA_METRIC_MASK;
}
else
{
struct ospf_lsa_sum3_net *ls = en->lsa_body;
- u16 rest;
- lsa_get_ipv6_prefix(ls->prefix, ip, pxlen, pxopts, &rest);
+ ospf_get_ipv6_prefix(ls->prefix, net, pxopts, NULL);
*metric = ls->metric & LSA_METRIC_MASK;
}
}
@@ -324,8 +322,9 @@ lsa_parse_ext(struct top_hash_entry *en, int ospf2, struct ospf_lsa_ext_local *r
if (ospf2)
{
struct ospf_lsa_ext2 *ext = en->lsa_body;
- rt->ip = ipa_from_u32(en->lsa.id & ext->netmask);
- rt->pxlen = u32_masklen(ext->netmask);
+ net_fill_ip4(&rt->net,
+ ip4_from_u32(en->lsa.id & ext->netmask),
+ u32_masklen(ext->netmask));
rt->pxopts = 0;
rt->metric = ext->metric & LSA_METRIC_MASK;
rt->ebit = ext->metric & LSA_EXT2_EBIT;
@@ -339,14 +338,13 @@ lsa_parse_ext(struct top_hash_entry *en, int ospf2, struct ospf_lsa_ext_local *r
else
{
struct ospf_lsa_ext3 *ext = en->lsa_body;
- u16 rest;
- u32 *buf = lsa_get_ipv6_prefix(ext->rest, &rt->ip, &rt->pxlen, &rt->pxopts, &rest);
+ u32 *buf = ospf_get_ipv6_prefix(ext->rest, &rt->net, &rt->pxopts, NULL);
rt->metric = ext->metric & LSA_METRIC_MASK;
rt->ebit = ext->metric & LSA_EXT3_EBIT;
rt->fbit = ext->metric & LSA_EXT3_FBIT;
if (rt->fbit)
- buf = lsa_get_ipv6_addr(buf, &rt->fwaddr);
+ buf = ospf_get_ipv6_addr(buf, &rt->fwaddr);
else
rt->fwaddr = IPA_NONE;
@@ -452,7 +450,7 @@ lsa_validate_sum3_net(struct ospf_lsa_header *lsa, struct ospf_lsa_sum3_net *bod
return 0;
u8 pxl = pxlen(body->prefix);
- if (pxl > MAX_PREFIX_LENGTH)
+ if (pxl > IP6_MAX_PREFIX_LENGTH)
return 0;
if (lsa->length != (HDRLEN + sizeof(struct ospf_lsa_sum3_net) +
@@ -491,11 +489,11 @@ lsa_validate_ext3(struct ospf_lsa_header *lsa, struct ospf_lsa_ext3 *body)
return 0;
u8 pxl = pxlen(body->rest);
- if (pxl > MAX_PREFIX_LENGTH)
+ if (pxl > IP6_MAX_PREFIX_LENGTH)
return 0;
int len = IPV6_PREFIX_SPACE(pxl);
- if (body->metric & LSA_EXT3_FBIT) // forwardinf address
+ if (body->metric & LSA_EXT3_FBIT) // forwarding address
len += 16;
if (body->metric & LSA_EXT3_TBIT) // route tag
len += 4;
@@ -520,7 +518,7 @@ lsa_validate_pxlist(struct ospf_lsa_header *lsa, u32 pxcount, uint offset, u8 *p
return 0;
u8 pxl = pxlen((u32 *) (pbuf + offset));
- if (pxl > MAX_PREFIX_LENGTH)
+ if (pxl > IP6_MAX_PREFIX_LENGTH)
return 0;
offset += IPV6_PREFIX_SPACE(pxl);
@@ -554,8 +552,8 @@ lsa_validate_prefix(struct ospf_lsa_header *lsa, struct ospf_lsa_prefix *body)
/**
* lsa_validate - check whether given LSA is valid
* @lsa: LSA header
- * @lsa_type: one of %LSA_T_xxx
- * @ospf2: %true means OSPF version 2, %false means OSPF version 3
+ * @lsa_type: internal LSA type (%LSA_T_xxx)
+ * @ospf2: %true for OSPFv2, %false for OSPFv3
* @body: pointer to LSA body
*
* Checks internal structure of given LSA body (minimal length,
diff --git a/proto/ospf/lsalib.h b/proto/ospf/lsalib.h
index ae6af044..c93f0295 100644
--- a/proto/ospf/lsalib.h
+++ b/proto/ospf/lsalib.h
@@ -55,7 +55,7 @@ u16 lsa_verify_checksum(const void *lsa_n, int lsa_len);
int lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2);
void lsa_walk_rt_init(struct ospf_proto *po, struct top_hash_entry *act, struct ospf_lsa_rt_walk *rt);
int lsa_walk_rt(struct ospf_lsa_rt_walk *rt);
-void lsa_parse_sum_net(struct top_hash_entry *en, int ospf2, ip_addr *ip, int *pxlen, u8 *pxopts, u32 *metric);
+void lsa_parse_sum_net(struct top_hash_entry *en, int ospf2, net_addr *net, u8 *pxopts, u32 *metric);
void lsa_parse_sum_rt(struct top_hash_entry *en, int ospf2, u32 *drid, u32 *metric, u32 *options);
void lsa_parse_ext(struct top_hash_entry *en, int ospf2, struct ospf_lsa_ext_local *rt);
int lsa_validate(struct ospf_lsa_header *lsa, u32 lsa_type, int ospf2, void *body);
diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
index c6a734ca..65ad8e3d 100644
--- a/proto/ospf/lsupd.c
+++ b/proto/ospf/lsupd.c
@@ -330,7 +330,7 @@ ospf_prepare_lsupd(struct ospf_proto *p, struct ospf_iface *ifa,
pkt = ospf_tx_buffer(ifa);
hlen = ospf_lsupd_hdrlen(p);
- maxsize = ospf_pkt_maxsize(ifa);
+ maxsize = ospf_pkt_maxsize(p, ifa);
ospf_pkt_fill_hdr(ifa, pkt, LSUPD_P);
pos = hlen;
diff --git a/proto/ospf/neighbor.c b/proto/ospf/neighbor.c
index 0223ccdf..b68ba6f4 100644
--- a/proto/ospf/neighbor.c
+++ b/proto/ospf/neighbor.c
@@ -507,13 +507,14 @@ ospf_dr_election(struct ospf_iface *ifa)
u32 old_drid = ifa->drid;
u32 old_bdrid = ifa->bdrid;
+ ip_addr none = ospf_is_v2(p) ? IPA_NONE4 : IPA_NONE6;
ifa->drid = ndr ? ndr->rid : 0;
- ifa->drip = ndr ? ndr->ip : IPA_NONE;
+ ifa->drip = ndr ? ndr->ip : none;
ifa->dr_iface_id = ndr ? ndr->iface_id : 0;
ifa->bdrid = nbdr ? nbdr->rid : 0;
- ifa->bdrip = nbdr ? nbdr->ip : IPA_NONE;
+ ifa->bdrip = nbdr ? nbdr->ip : none;
DBG("DR=%R, BDR=%R\n", ifa->drid, ifa->bdrid);
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index d5d5d354..d074600a 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -102,18 +102,11 @@
static int ospf_import_control(struct proto *P, rte **new, ea_list **attrs, struct linpool *pool);
static struct ea_list *ospf_make_tmp_attrs(struct rte *rt, struct linpool *pool);
static void ospf_store_tmp_attrs(struct rte *rt, struct ea_list *attrs);
-static int ospf_reload_routes(struct proto *P);
+static void ospf_reload_routes(struct channel *C);
static int ospf_rte_better(struct rte *new, struct rte *old);
static int ospf_rte_same(struct rte *new, struct rte *old);
static void ospf_disp(timer *timer);
-static void
-ospf_area_initfib(struct fib_node *fn)
-{
- struct area_net *an = (struct area_net *) fn;
- an->hidden = 0;
- an->active = 0;
-}
static void
add_area_nets(struct ospf_area *oa, struct ospf_area_config *ac)
@@ -122,18 +115,20 @@ add_area_nets(struct ospf_area *oa, struct ospf_area_config *ac)
struct area_net_config *anc;
struct area_net *an;
- fib_init(&oa->net_fib, p->p.pool, sizeof(struct area_net), 0, ospf_area_initfib);
- fib_init(&oa->enet_fib, p->p.pool, sizeof(struct area_net), 0, ospf_area_initfib);
+ fib_init(&oa->net_fib, p->p.pool, ospf_is_v2(p) ? NET_IP4 : NET_IP6,
+ sizeof(struct area_net), OFFSETOF(struct area_net, fn), 0, NULL);
+ fib_init(&oa->enet_fib, p->p.pool, ospf_is_v2(p) ? NET_IP4 : NET_IP6,
+ sizeof(struct area_net), OFFSETOF(struct area_net, fn), 0, NULL);
WALK_LIST(anc, ac->net_list)
{
- an = (struct area_net *) fib_get(&oa->net_fib, &anc->px.addr, anc->px.len);
+ an = fib_get(&oa->net_fib, &anc->prefix);
an->hidden = anc->hidden;
}
WALK_LIST(anc, ac->enet_list)
{
- an = (struct area_net *) fib_get(&oa->enet_fib, &anc->px.addr, anc->px.len);
+ an = fib_get(&oa->enet_fib, &anc->prefix);
an->hidden = anc->hidden;
an->tag = anc->tag;
}
@@ -154,7 +149,7 @@ ospf_area_add(struct ospf_proto *p, struct ospf_area_config *ac)
oa->areaid = ac->areaid;
oa->rt = NULL;
oa->po = p;
- fib_init(&oa->rtr, p->p.pool, sizeof(ort), 0, ospf_rt_initort);
+ fib_init(&oa->rtr, p->p.pool, NET_IP4, sizeof(ort), OFFSETOF(ort, fn), 0, NULL);
add_area_nets(oa, ac);
if (oa->areaid == 0)
@@ -243,7 +238,10 @@ ospf_start(struct proto *P)
p->nhpool = lp_new(P->pool, 12*sizeof(struct mpnh));
init_list(&(p->iface_list));
init_list(&(p->area_list));
- fib_init(&p->rtf, P->pool, sizeof(ort), 0, ospf_rt_initort);
+ fib_init(&p->rtf, P->pool, p->ospf2 ? NET_IP4 : NET_IP6,
+ sizeof(ort), OFFSETOF(ort, fn), 0, NULL);
+ if (ospf_is_v3(p))
+ idm_init(&p->idm, P->pool, 16);
p->areano = 0;
p->gr = ospf_top_new(p, P->pool);
s_init_list(&(p->lsal));
@@ -299,15 +297,16 @@ ospf_dump(struct proto *P)
}
static struct proto *
-ospf_init(struct proto_config *c)
+ospf_init(struct proto_config *CF)
{
- struct ospf_config *oc = (struct ospf_config *) c;
- struct proto *P = proto_new(c, sizeof(struct ospf_proto));
+ struct ospf_config *cf = (struct ospf_config *) CF;
+ struct proto *P = proto_new(CF);
+
+ P->main_channel = proto_add_channel(P, proto_cf_main_channel(CF));
- P->accept_ra_types = RA_OPTIMAL;
P->rt_notify = ospf_rt_notify;
P->if_notify = ospf_if_notify;
- P->ifa_notify = oc->ospf2 ? ospf_ifa_notify2 : ospf_ifa_notify3;
+ P->ifa_notify = cf->ospf2 ? ospf_ifa_notify2 : ospf_ifa_notify3;
P->import_control = ospf_import_control;
P->reload_routes = ospf_reload_routes;
P->make_tmp_attrs = ospf_make_tmp_attrs;
@@ -391,17 +390,16 @@ ospf_schedule_rtcalc(struct ospf_proto *p)
p->calcrt = 1;
}
-static int
-ospf_reload_routes(struct proto *P)
+static void
+ospf_reload_routes(struct channel *C)
{
- struct ospf_proto *p = (struct ospf_proto *) P;
+ struct ospf_proto *p = (struct ospf_proto *) C->proto;
- if (p->calcrt != 2)
- OSPF_TRACE(D_EVENTS, "Scheduling routing table calculation with route reload");
+ if (p->calcrt == 2)
+ return;
+ OSPF_TRACE(D_EVENTS, "Scheduling routing table calculation with route reload");
p->calcrt = 2;
-
- return 1;
}
@@ -506,9 +504,9 @@ ospf_shutdown(struct proto *P)
ospf_iface_shutdown(ifa);
/* Cleanup locked rta entries */
- FIB_WALK(&p->rtf, nftmp)
+ FIB_WALK(&p->rtf, ort, nf)
{
- rta_free(((ort *) nftmp)->old_rta);
+ rta_free(nf->old_rta);
}
FIB_WALK_END;
@@ -639,17 +637,20 @@ ospf_area_reconfigure(struct ospf_area *oa, struct ospf_area_config *nac)
* nonbroadcast network, cost of interface, etc.
*/
static int
-ospf_reconfigure(struct proto *P, struct proto_config *c)
+ospf_reconfigure(struct proto *P, struct proto_config *CF)
{
struct ospf_proto *p = (struct ospf_proto *) P;
struct ospf_config *old = (struct ospf_config *) (P->cf);
- struct ospf_config *new = (struct ospf_config *) c;
+ struct ospf_config *new = (struct ospf_config *) CF;
struct ospf_area_config *nac;
struct ospf_area *oa, *oax;
struct ospf_iface *ifa, *ifx;
struct ospf_iface_patt *ip;
- if (proto_get_router_id(c) != p->router_id)
+ if (proto_get_router_id(CF) != p->router_id)
+ return 0;
+
+ if (p->ospf2 != new->ospf2)
return 0;
if (p->rfc1583 != new->rfc1583)
@@ -658,6 +659,9 @@ ospf_reconfigure(struct proto *P, struct proto_config *c)
if (old->abr != new->abr)
return 0;
+ if (!proto_configure_channel(P, &P->main_channel, proto_cf_main_channel(CF)))
+ return 0;
+
p->stub_router = new->stub_router;
p->merge_external = new->merge_external;
p->asbr = new->asbr;
@@ -746,7 +750,6 @@ ospf_sh(struct proto *P)
struct ospf_iface *ifa;
struct ospf_neighbor *n;
int ifano, nno, adjno, firstfib;
- struct area_net *anet;
if (p->p.proto_state != PS_UP)
{
@@ -795,29 +798,27 @@ ospf_sh(struct proto *P)
cli_msg(-1014, "\t\tNumber of adjacent neighbors:\t%u", adjno);
firstfib = 1;
- FIB_WALK(&oa->net_fib, nftmp)
+ FIB_WALK(&oa->net_fib, struct area_net, anet)
{
- anet = (struct area_net *) nftmp;
if(firstfib)
{
cli_msg(-1014, "\t\tArea networks:");
firstfib = 0;
}
- cli_msg(-1014, "\t\t\t%1I/%u\t%s\t%s", anet->fn.prefix, anet->fn.pxlen,
+ cli_msg(-1014, "\t\t\t%1N\t%s\t%s", anet->fn.addr,
anet->hidden ? "Hidden" : "Advertise", anet->active ? "Active" : "");
}
FIB_WALK_END;
firstfib = 1;
- FIB_WALK(&oa->enet_fib, nftmp)
+ FIB_WALK(&oa->enet_fib, struct area_net, anet)
{
- anet = (struct area_net *) nftmp;
if(firstfib)
{
cli_msg(-1014, "\t\tArea external networks:");
firstfib = 0;
}
- cli_msg(-1014, "\t\t\t%1I/%u\t%s\t%s", anet->fn.prefix, anet->fn.pxlen,
+ cli_msg(-1014, "\t\t\t%1N\t%s\t%s", anet->fn.addr,
anet->hidden ? "Hidden" : "Advertise", anet->active ? "Active" : "");
}
FIB_WALK_END;
@@ -1074,13 +1075,12 @@ show_lsa_network(struct top_hash_entry *he, int ospf2)
static inline void
show_lsa_sum_net(struct top_hash_entry *he, int ospf2)
{
- ip_addr ip;
- int pxlen;
+ net_addr net;
u8 pxopts;
u32 metric;
- lsa_parse_sum_net(he, ospf2, &ip, &pxlen, &pxopts, &metric);
- cli_msg(-1016, "\t\txnetwork %I/%d metric %u", ip, pxlen, metric);
+ lsa_parse_sum_net(he, ospf2, &net, &pxopts, &metric);
+ cli_msg(-1016, "\t\txnetwork %N metric %u", &net, metric);
}
static inline void
@@ -1099,7 +1099,7 @@ static inline void
show_lsa_external(struct top_hash_entry *he, int ospf2)
{
struct ospf_lsa_ext_local rt;
- char str_via[STD_ADDRESS_P_LENGTH + 8] = "";
+ char str_via[IPA_MAX_TEXT_LENGTH + 8] = "";
char str_tag[16] = "";
if (he->lsa_type == LSA_T_EXT)
@@ -1113,19 +1113,15 @@ show_lsa_external(struct top_hash_entry *he, int ospf2)
if (rt.tag)
bsprintf(str_tag, " tag %08x", rt.tag);
- cli_msg(-1016, "\t\t%s %I/%d metric%s %u%s%s",
+ cli_msg(-1016, "\t\t%s %N metric%s %u%s%s",
(he->lsa_type == LSA_T_NSSA) ? "nssa-ext" : "external",
- rt.ip, rt.pxlen, rt.ebit ? "2" : "", rt.metric, str_via, str_tag);
+ &rt.net, rt.ebit ? "2" : "", rt.metric, str_via, str_tag);
}
static inline void
show_lsa_prefix(struct top_hash_entry *he, struct top_hash_entry *cnode)
{
struct ospf_lsa_prefix *px = he->lsa_body;
- ip_addr pxa;
- int pxlen;
- u8 pxopts;
- u16 metric;
u32 *buf;
int i;
@@ -1141,14 +1137,18 @@ show_lsa_prefix(struct top_hash_entry *he, struct top_hash_entry *cnode)
buf = px->rest;
for (i = 0; i < px->pxcount; i++)
- {
- buf = lsa_get_ipv6_prefix(buf, &pxa, &pxlen, &pxopts, &metric);
+ {
+ net_addr net;
+ u8 pxopts;
+ u16 metric;
- if (px->ref_type == LSA_T_RT)
- cli_msg(-1016, "\t\tstubnet %I/%d metric %u", pxa, pxlen, metric);
- else
- cli_msg(-1016, "\t\taddress %I/%d", pxa, pxlen);
- }
+ buf = ospf_get_ipv6_prefix(buf, &net, &pxopts, &metric);
+
+ if (px->ref_type == LSA_T_RT)
+ cli_msg(-1016, "\t\tstubnet %N metric %u", &net, metric);
+ else
+ cli_msg(-1016, "\t\taddress %N", &net);
+ }
}
void
@@ -1468,6 +1468,8 @@ struct protocol proto_ospf = {
.template = "ospf%d",
.attr_class = EAP_OSPF,
.preference = DEF_PREF_OSPF,
+ .channel_mask = NB_IP,
+ .proto_size = sizeof(struct ospf_proto),
.config_size = sizeof(struct ospf_config),
.init = ospf_init,
.dump = ospf_dump,
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index a4e525ec..4f445f07 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -14,11 +14,11 @@
#include "nest/bird.h"
#include "lib/checksum.h"
-#include "lib/ip.h"
+#include "lib/idm.h"
#include "lib/lists.h"
#include "lib/slists.h"
#include "lib/socket.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
#include "lib/resource.h"
#include "nest/protocol.h"
#include "nest/iface.h"
@@ -37,14 +37,6 @@
#endif
-#ifdef IPV6
-#define OSPF_IS_V2 0
-#else
-#define OSPF_IS_V2 1
-#endif
-
-// FIXME: MAX_PREFIX_LENGTH
-
#define OSPF_TRACE(flags, msg, args...) \
do { if ((p->p.debug & flags) || OSPF_FORCE_DEBUG) \
log(L_TRACE "%s: " msg, p->p.name , ## args ); } while(0)
@@ -87,7 +79,6 @@
#define OSPF_VLINK_ID_OFFSET 0x80000000
-
struct ospf_config
{
struct proto_config c;
@@ -125,24 +116,24 @@ struct ospf_area_config
struct area_net_config
{
node n;
- struct prefix px;
+ net_addr prefix;
u32 tag;
u8 hidden;
};
struct area_net
{
- struct fib_node fn;
u32 metric; /* With possible LSA_EXT3_EBIT for NSSA area nets */
u32 tag;
u8 hidden;
u8 active;
+ struct fib_node fn;
};
struct ospf_stubnet_config
{
node n;
- struct prefix px;
+ net_addr prefix;
u32 cost;
u8 hidden;
u8 summary;
@@ -193,7 +184,6 @@ struct ospf_iface_patt
u8 ptp_netmask; /* bool + 2 for unspecified */
u8 ttl_security; /* bool + 2 for TX only */
u8 bfd;
- u8 bsd_secondary;
list *passwords;
};
@@ -224,6 +214,7 @@ struct ospf_proto
int areano; /* Number of area I belong to */
int padj; /* Number of neighbors in Exchange or Loading state */
struct fib rtf; /* Routing table */
+ struct idm idm; /* OSPFv3 LSA ID map */
byte ospf2; /* OSPF v2 or v3 */
byte rfc1583; /* RFC1583 compatibility */
byte stub_router; /* Do not forward transit traffic */
@@ -681,8 +672,8 @@ struct ospf_lsa_ext3
struct ospf_lsa_ext_local
{
- ip_addr ip, fwaddr;
- int pxlen;
+ net_addr net;
+ ip_addr fwaddr;
u32 metric, ebit, fbit, tag, propagate;
u8 pxopts;
};
@@ -720,73 +711,80 @@ lsa_net_count(struct ospf_lsa_header *lsa)
/* In ospf_area->rtr we store paths to routers, but we use RID (and not IP address)
as index, so we need to encapsulate RID to IP address */
-#define ipa_from_rid(x) ipa_from_u32(x)
-#define ipa_to_rid(x) ipa_to_u32(x)
+#define net_from_rid(x) NET_ADDR_IP4(ip4_from_u32(x), IP4_MAX_PREFIX_LENGTH)
+#define rid_from_net(x) ip4_to_u32(((net_addr_ip4 *) x)->prefix)
#define IPV6_PREFIX_SPACE(x) ((((x) + 63) / 32) * 4)
#define IPV6_PREFIX_WORDS(x) (((x) + 63) / 32)
-/* FIXME: these four functions should be significantly redesigned w.r.t. integration,
+/* FIXME: these functions should be significantly redesigned w.r.t. integration,
also should be named as ospf3_* instead of *_ipv6_* */
+static inline int
+ospf_valid_prefix(net_addr *n)
+{
+ /* In OSPFv2, prefix is stored as netmask; ip4_masklen() returns 255 for invalid one */
+ return n->pxlen <= IP6_MAX_PREFIX_LENGTH;
+}
+
static inline u32 *
-lsa_get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts, u16 *rest)
+ospf_get_ipv6_prefix(u32 *buf, net_addr *N, u8 *pxopts, u16 *rest)
{
- u8 pxl = (*buf >> 24);
- *pxopts = (*buf >> 16);
- *rest = *buf;
- *pxlen = pxl;
+ net_addr_ip6 *net = (void *) N;
+ u8 pxlen = (*buf >> 24);
+ *pxopts = (*buf >> 16) & 0xff;
+ if (rest) *rest = *buf & 0xffff;
buf++;
- *addr = IPA_NONE;
+ *net = NET_ADDR_IP6(IP6_NONE, pxlen);
-#ifdef IPV6
- if (pxl > 0)
- _I0(*addr) = *buf++;
- if (pxl > 32)
- _I1(*addr) = *buf++;
- if (pxl > 64)
- _I2(*addr) = *buf++;
- if (pxl > 96)
- _I3(*addr) = *buf++;
+ if (pxlen > 0)
+ _I0(net->prefix) = *buf++;
+ if (pxlen > 32)
+ _I1(net->prefix) = *buf++;
+ if (pxlen > 64)
+ _I2(net->prefix) = *buf++;
+ if (pxlen > 96)
+ _I3(net->prefix) = *buf++;
/* Clean up remaining bits */
- if (pxl < 128)
- addr->addr[pxl / 32] &= u32_mkmask(pxl % 32);
-#endif
+ if (pxlen < 128)
+ net->prefix.addr[pxlen / 32] &= u32_mkmask(pxlen % 32);
return buf;
}
static inline u32 *
-lsa_get_ipv6_addr(u32 *buf, ip_addr *addr)
+ospf_get_ipv6_addr(u32 *buf, ip_addr *addr)
{
- *addr = *(ip_addr *) buf;
+ *addr = ipa_from_ip6(*(ip6_addr *) buf);
return buf + 4;
}
static inline u32 *
-put_ipv6_prefix(u32 *buf, ip_addr addr, u8 pxlen, u8 pxopts, u16 lh)
+ospf_put_ipv6_prefix(u32 *buf, net_addr *N, u8 pxopts, u16 rest)
{
-#ifdef IPV6
- *buf++ = ((pxlen << 24) | (pxopts << 16) | lh);
+ net_addr_ip6 *net = (void *) N;
+ u32 pxlen = net->pxlen;
+
+ *buf++ = ((pxlen << 24) | (pxopts << 16) | rest);
if (pxlen > 0)
- *buf++ = _I0(addr);
+ *buf++ = _I0(net->prefix);
if (pxlen > 32)
- *buf++ = _I1(addr);
+ *buf++ = _I1(net->prefix);
if (pxlen > 64)
- *buf++ = _I2(addr);
+ *buf++ = _I2(net->prefix);
if (pxlen > 96)
- *buf++ = _I3(addr);
-#endif
+ *buf++ = _I3(net->prefix);
+
return buf;
}
static inline u32 *
-put_ipv6_addr(u32 *buf, ip_addr addr)
+ospf_put_ipv6_addr(u32 *buf, ip_addr addr)
{
- *(ip_addr *) buf = addr;
+ *(ip6_addr *) buf = ipa_to_ip6(addr);
return buf + 4;
}
@@ -830,16 +828,12 @@ static inline void ospf_notify_net_lsa(struct ospf_iface *ifa)
static inline void ospf_notify_link_lsa(struct ospf_iface *ifa)
{ ifa->update_link_lsa = 1; }
-
-#define ospf_is_v2(X) OSPF_IS_V2
-#define ospf_is_v3(X) (!OSPF_IS_V2)
-/*
static inline int ospf_is_v2(struct ospf_proto *p)
{ return p->ospf2; }
static inline int ospf_is_v3(struct ospf_proto *p)
{ return ! p->ospf2; }
-*/
+
static inline int ospf_get_version(struct ospf_proto *p)
{ return ospf_is_v2(p) ? 2 : 3; }
@@ -896,7 +890,7 @@ void ospf_sh_neigh_info(struct ospf_neighbor *n);
/* packet.c */
void ospf_pkt_fill_hdr(struct ospf_iface *ifa, void *buf, u8 h_type);
-uint ospf_pkt_maxsize(struct ospf_iface *ifa);
+uint ospf_pkt_maxsize(struct ospf_proto *p, struct ospf_iface *ifa);
int ospf_rx_hook(sock * sk, int size);
// void ospf_tx_hook(sock * sk);
void ospf_err_hook(sock * sk, int err);
diff --git a/proto/ospf/packet.c b/proto/ospf/packet.c
index 04f0d47c..7ce6d99f 100644
--- a/proto/ospf/packet.c
+++ b/proto/ospf/packet.c
@@ -23,7 +23,7 @@ ospf_pkt_fill_hdr(struct ospf_iface *ifa, void *buf, u8 h_type)
pkt->version = ospf_get_version(p);
pkt->type = h_type;
- pkt->length = htons(ospf_pkt_maxsize(ifa));
+ pkt->length = htons(ospf_pkt_maxsize(p, ifa));
pkt->routerid = htonl(p->router_id);
pkt->areaid = htonl(ifa->oa->areaid);
pkt->checksum = 0;
@@ -32,9 +32,9 @@ ospf_pkt_fill_hdr(struct ospf_iface *ifa, void *buf, u8 h_type)
}
uint
-ospf_pkt_maxsize(struct ospf_iface *ifa)
+ospf_pkt_maxsize(struct ospf_proto *p, struct ospf_iface *ifa)
{
- uint headers = SIZE_OF_IP_HEADER;
+ uint headers = ospf_is_v2(p) ? IP4_HEADER_LENGTH : IP6_HEADER_LENGTH;
/* Relevant just for OSPFv2 */
if (ifa->autype == OSPF_AUTH_CRYPT)
@@ -207,7 +207,7 @@ drop:
/**
* ospf_rx_hook
* @sk: socket we received the packet.
- * @len: size of the packet
+ * @len: length of the packet
*
* This is the entry point for messages from neighbors. Many checks (like
* authentication, checksums, size) are done before the packet is passed to
@@ -235,7 +235,7 @@ ospf_rx_hook(sock *sk, int len)
return 1;
int src_local, dst_local, dst_mcast;
- src_local = ipa_in_net(sk->faddr, ifa->addr->prefix, ifa->addr->pxlen);
+ src_local = ipa_in_netX(sk->faddr, &ifa->addr->prefix);
dst_local = ipa_equal(sk->laddr, ifa->addr->ip);
dst_mcast = ipa_equal(sk->laddr, ifa->all_routers) || ipa_equal(sk->laddr, ifa->des_routers);
@@ -500,8 +500,8 @@ ospf_send_to_agt(struct ospf_iface *ifa, u8 state)
void
ospf_send_to_bdr(struct ospf_iface *ifa)
{
- if (ipa_nonzero(ifa->drip))
+ if (ipa_nonzero2(ifa->drip))
ospf_send_to(ifa, ifa->drip);
- if (ipa_nonzero(ifa->bdrip))
+ if (ipa_nonzero2(ifa->bdrip))
ospf_send_to(ifa, ifa->bdrip);
}
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index cdf8012a..5538f4c8 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -21,15 +21,6 @@ static inline void reset_ri(ort *ort)
bzero(&ort->n, sizeof(orta));
}
-void
-ospf_rt_initort(struct fib_node *fn)
-{
- ort *ri = (ort *) fn;
- reset_ri(ri);
- ri->old_rta = NULL;
- ri->fn.flags = 0;
-}
-
static inline int
nh_is_vlink(struct mpnh *nhs)
{
@@ -334,9 +325,9 @@ ort_merge_ext(struct ospf_proto *p, ort *o, const orta *new)
static inline void
-ri_install_net(struct ospf_proto *p, ip_addr prefix, int pxlen, const orta *new)
+ri_install_net(struct ospf_proto *p, net_addr *net, const orta *new)
{
- ort *old = (ort *) fib_get(&p->rtf, &prefix, pxlen);
+ ort *old = fib_get(&p->rtf, net);
int cmp = orta_compare(p, new, &old->n);
if (cmp > 0)
@@ -348,8 +339,8 @@ ri_install_net(struct ospf_proto *p, ip_addr prefix, int pxlen, const orta *new)
static inline void
ri_install_rt(struct ospf_area *oa, u32 rid, const orta *new)
{
- ip_addr addr = ipa_from_rid(rid);
- ort *old = (ort *) fib_get(&oa->rtr, &addr, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(rid);
+ ort *old = fib_get(&oa->rtr, (net_addr *) &nrid);
int cmp = orta_compare(oa->po, new, &old->n);
if (cmp > 0)
@@ -359,17 +350,19 @@ ri_install_rt(struct ospf_area *oa, u32 rid, const orta *new)
}
static inline void
-ri_install_asbr(struct ospf_proto *p, ip_addr *addr, const orta *new)
+ri_install_asbr(struct ospf_proto *p, u32 rid, const orta *new)
{
- ort *old = (ort *) fib_get(&p->backbone->rtr, addr, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(rid);
+ ort *old = fib_get(&p->backbone->rtr, (net_addr *) &nrid);
+
if (orta_compare_asbr(p, new, &old->n) > 0)
ort_replace(old, new);
}
static inline void
-ri_install_ext(struct ospf_proto *p, ip_addr prefix, int pxlen, const orta *new)
+ri_install_ext(struct ospf_proto *p, net_addr *net, const orta *new)
{
- ort *old = (ort *) fib_get(&p->rtf, &prefix, pxlen);
+ ort *old = fib_get(&p->rtf, net);
int cmp = orta_compare_ext(p, new, &old->n);
if (cmp > 0)
@@ -404,7 +397,7 @@ px_pos_to_ifa(struct ospf_area *oa, int pos)
static void
-add_network(struct ospf_area *oa, ip_addr px, int pxlen, int metric, struct top_hash_entry *en, int pos)
+add_network(struct ospf_area *oa, net_addr *net, int metric, struct top_hash_entry *en, int pos)
{
struct ospf_proto *p = oa->po;
@@ -419,7 +412,7 @@ add_network(struct ospf_area *oa, ip_addr px, int pxlen, int metric, struct top_
.nhs = en->nhs
};
- if (pxlen < 0 || pxlen > MAX_PREFIX_LENGTH)
+ if (!ospf_valid_prefix(net))
{
log(L_WARN "%s: Invalid prefix in LSA (Type: %04x, Id: %R, Rt: %R)",
p->p.name, en->lsa_type, en->lsa.id, en->lsa.rt);
@@ -441,7 +434,7 @@ add_network(struct ospf_area *oa, ip_addr px, int pxlen, int metric, struct top_
nf.nhs = ifa ? new_nexthop(p, IPA_NONE, ifa->iface, ifa->ecmp_weight) : NULL;
}
- ri_install_net(p, px, pxlen, &nf);
+ ri_install_net(p, net, &nf);
}
@@ -452,8 +445,7 @@ spfa_process_rt(struct ospf_proto *p, struct ospf_area *oa, struct top_hash_entr
struct ospf_lsa_rt *rt = act->lsa_body;
struct ospf_lsa_rt_walk rtl;
struct top_hash_entry *tmp;
- ip_addr prefix;
- int pxlen, i;
+ int i;
if (rt->options & OPT_RT_V)
oa->trcap = 1;
@@ -503,9 +495,10 @@ spfa_process_rt(struct ospf_proto *p, struct ospf_area *oa, struct top_hash_entr
* the same result by handing them here because add_network()
* will keep the best (not the first) found route.
*/
- prefix = ipa_from_u32(rtl.id & rtl.data);
- pxlen = u32_masklen(rtl.data);
- add_network(oa, prefix, pxlen, act->dist + rtl.metric, act, i);
+ net_addr_ip4 net =
+ NET_ADDR_IP4(ip4_from_u32(rtl.id & rtl.data), u32_masklen(rtl.data));
+
+ add_network(oa, (net_addr *) &net, act->dist + rtl.metric, act, i);
break;
case LSART_NET:
@@ -527,14 +520,14 @@ spfa_process_net(struct ospf_proto *p, struct ospf_area *oa, struct top_hash_ent
{
struct ospf_lsa_net *ln = act->lsa_body;
struct top_hash_entry *tmp;
- ip_addr prefix;
- int pxlen, i, cnt;
+ int i, cnt;
if (ospf_is_v2(p))
{
- prefix = ipa_from_u32(act->lsa.id & ln->optx);
- pxlen = u32_masklen(ln->optx);
- add_network(oa, prefix, pxlen, act->dist, act, -1);
+ net_addr_ip4 net =
+ NET_ADDR_IP4(ip4_from_u32(act->lsa.id & ln->optx), u32_masklen(ln->optx));
+
+ add_network(oa, (net_addr *) &net, act->dist, act, -1);
}
cnt = lsa_net_count(&act->lsa);
@@ -550,10 +543,6 @@ spfa_process_prefixes(struct ospf_proto *p, struct ospf_area *oa)
{
struct top_hash_entry *en, *src;
struct ospf_lsa_prefix *px;
- ip_addr pxa;
- int pxlen;
- u8 pxopts;
- u16 metric;
u32 *buf;
int i;
@@ -588,18 +577,22 @@ spfa_process_prefixes(struct ospf_proto *p, struct ospf_area *oa)
buf = px->rest;
for (i = 0; i < px->pxcount; i++)
- {
- buf = lsa_get_ipv6_prefix(buf, &pxa, &pxlen, &pxopts, &metric);
+ {
+ net_addr_ip6 net;
+ u8 pxopts;
+ u16 metric;
- if (pxopts & OPT_PX_NU)
- continue;
+ buf = ospf_get_ipv6_prefix(buf, (net_addr *) &net, &pxopts, &metric);
- /* Store the first global address to use it later as a vlink endpoint */
- if ((pxopts & OPT_PX_LA) && ipa_zero(src->lb))
- src->lb = pxa;
+ if (pxopts & OPT_PX_NU)
+ continue;
- add_network(oa, pxa, pxlen, src->dist + metric, src, i);
- }
+ /* Store the first global address to use it later as a vlink endpoint */
+ if ((pxopts & OPT_PX_LA) && ipa_zero(src->lb))
+ src->lb = ipa_from_ip6(net.prefix);
+
+ add_network(oa, (net_addr *) &net, src->dist + metric, src, i);
+ }
}
}
@@ -742,13 +735,12 @@ ospf_rt_sum(struct ospf_area *oa)
{
struct ospf_proto *p = oa->po;
struct top_hash_entry *en;
- ip_addr ip, abrip;
+ net_addr net;
u32 dst_rid, metric, options;
ort *abr;
- int pxlen = -1, type = -1;
+ int type;
u8 pxopts;
-
OSPF_TRACE(D_EVENTS, "Starting routing table calculation for inter-area (area %R)", oa->areaid);
WALK_SLIST(en, p->lsal)
@@ -771,18 +763,18 @@ ospf_rt_sum(struct ospf_area *oa)
if (en->lsa_type == LSA_T_SUM_NET)
{
- lsa_parse_sum_net(en, ospf_is_v2(p), &ip, &pxlen, &pxopts, &metric);
+ lsa_parse_sum_net(en, ospf_is_v2(p), &net, &pxopts, &metric);
- if (pxopts & OPT_PX_NU)
- continue;
-
- if (pxlen < 0 || pxlen > MAX_PREFIX_LENGTH)
+ if (!ospf_valid_prefix(&net))
{
log(L_WARN "%s: Invalid prefix in LSA (Type: %04x, Id: %R, Rt: %R)",
p->p.name, en->lsa_type, en->lsa.id, en->lsa.rt);
continue;
}
+ if (pxopts & OPT_PX_NU)
+ continue;
+
options = 0;
type = ORT_NET;
}
@@ -803,8 +795,8 @@ ospf_rt_sum(struct ospf_area *oa)
continue;
/* 16.2. (4) */
- abrip = ipa_from_rid(en->lsa.rt);
- abr = (ort *) fib_find(&oa->rtr, &abrip, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(en->lsa.rt);
+ abr = fib_find(&oa->rtr, (net_addr *) &nrid);
if (!abr || !abr->n.type)
continue;
@@ -828,7 +820,7 @@ ospf_rt_sum(struct ospf_area *oa)
};
if (type == ORT_NET)
- ri_install_net(p, ip, pxlen, &nf);
+ ri_install_net(p, &net, &nf);
else
ri_install_rt(oa, dst_rid, &nf);
}
@@ -842,11 +834,7 @@ ospf_rt_sum_tr(struct ospf_area *oa)
struct ospf_area *bb = p->backbone;
struct top_hash_entry *en;
ort *re, *abr;
- ip_addr ip, abrip;
- u32 dst_rid, metric, options;
- int pxlen;
- u8 pxopts;
-
+ u32 metric;
if (!bb)
return;
@@ -869,26 +857,31 @@ ospf_rt_sum_tr(struct ospf_area *oa)
if (en->lsa_type == LSA_T_SUM_NET)
{
- lsa_parse_sum_net(en, ospf_is_v2(p), &ip, &pxlen, &pxopts, &metric);
+ net_addr net;
+ u8 pxopts;
- if (pxopts & OPT_PX_NU)
- continue;
+ lsa_parse_sum_net(en, ospf_is_v2(p), &net, &pxopts, &metric);
- if (pxlen < 0 || pxlen > MAX_PREFIX_LENGTH)
+ if (!ospf_valid_prefix(&net))
{
log(L_WARN "%s: Invalid prefix in LSA (Type: %04x, Id: %R, Rt: %R)",
p->p.name, en->lsa_type, en->lsa.id, en->lsa.rt);
continue;
}
- re = fib_find(&p->rtf, &ip, pxlen);
+ if (pxopts & OPT_PX_NU)
+ continue;
+
+ re = fib_find(&p->rtf, &net);
}
else // en->lsa_type == LSA_T_SUM_RT
{
+ u32 dst_rid, options;
+
lsa_parse_sum_rt(en, ospf_is_v2(p), &dst_rid, &metric, &options);
- ip = ipa_from_rid(dst_rid);
- re = fib_find(&bb->rtr, &ip, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(dst_rid);
+ re = fib_find(&bb->rtr, (net_addr *) &nrid);
}
/* 16.3 (1b) */
@@ -906,8 +899,8 @@ ospf_rt_sum_tr(struct ospf_area *oa)
continue;
/* 16.3. (4) */
- abrip = ipa_from_rid(en->lsa.rt);
- abr = fib_find(&oa->rtr, &abrip, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(en->lsa.rt);
+ abr = fib_find(&oa->rtr, (net_addr *) &nrid);
if (!abr || !abr->n.type)
continue;
@@ -998,7 +991,7 @@ decide_sum_lsa(struct ospf_area *oa, ort *nf, int dest)
return 1;
struct area_net *anet = (struct area_net *)
- fib_route(&nf->n.oa->net_fib, nf->fn.prefix, nf->fn.pxlen);
+ fib_route(&nf->n.oa->net_fib, nf->fn.addr);
/* Condensed area network found */
if (anet)
@@ -1017,13 +1010,13 @@ check_sum_net_lsa(struct ospf_proto *p, ort *nf)
if (nf->area_net)
{
/* It is a default route for stub areas, handled entirely in ospf_rt_abr() */
- if (nf->fn.pxlen == 0)
+ if (nf->fn.addr->pxlen == 0)
return;
/* Find that area network */
WALK_LIST(anet_oa, p->area_list)
{
- anet = (struct area_net *) fib_find(&anet_oa->net_fib, &nf->fn.prefix, nf->fn.pxlen);
+ anet = fib_find(&anet_oa->net_fib, nf->fn.addr);
if (anet)
break;
}
@@ -1042,10 +1035,12 @@ check_sum_net_lsa(struct ospf_proto *p, ort *nf)
static inline void
check_sum_rt_lsa(struct ospf_proto *p, ort *nf)
{
+ u32 rid = rid_from_net(nf->fn.addr);
+
struct ospf_area *oa;
WALK_LIST(oa, p->area_list)
if (decide_sum_lsa(oa, nf, ORT_ROUTER))
- ospf_originate_sum_rt_lsa(p, oa, nf, nf->n.metric1, nf->n.options);
+ ospf_originate_sum_rt_lsa(p, oa, rid, nf->n.metric1, nf->n.options);
}
static inline int
@@ -1058,7 +1053,7 @@ decide_nssa_lsa(struct ospf_proto *p, ort *nf, struct ospf_lsa_ext_local *rt)
return 0;
/* Condensed area network found */
- if (fib_route(&oa->enet_fib, nf->fn.prefix, nf->fn.pxlen))
+ if (fib_route(&oa->enet_fib, nf->fn.addr))
return 0;
if (!en || (en->lsa_type != LSA_T_NSSA))
@@ -1093,7 +1088,7 @@ check_nssa_lsa(struct ospf_proto *p, ort *nf)
/* Find that area network */
WALK_LIST(oa, p->area_list)
{
- anet = (struct area_net *) fib_find(&oa->enet_fib, &nf->fn.prefix, nf->fn.pxlen);
+ anet = fib_find(&oa->enet_fib, nf->fn.addr);
if (anet)
break;
}
@@ -1163,24 +1158,20 @@ static void
ospf_rt_abr1(struct ospf_proto *p)
{
struct area_net *anet;
- ort *nf, *default_nf;
+ ort *default_nf;
+ net_addr default_net;
/* RFC 2328 G.3 - incomplete resolution of virtual next hops - routers */
- FIB_WALK(&p->backbone->rtr, nftmp)
+ FIB_WALK(&p->backbone->rtr, ort, nf)
{
- nf = (ort *) nftmp;
-
if (nf->n.type && unresolved_vlink(nf))
reset_ri(nf);
}
FIB_WALK_END;
- FIB_WALK(&p->rtf, nftmp)
+ FIB_WALK(&p->rtf, ort, nf)
{
- nf = (ort *) nftmp;
-
-
/* RFC 2328 G.3 - incomplete resolution of virtual next hops - networks */
if (nf->n.type && unresolved_vlink(nf))
reset_ri(nf);
@@ -1189,7 +1180,7 @@ ospf_rt_abr1(struct ospf_proto *p)
/* Compute condensed area networks */
if (nf->n.type == RTS_OSPF)
{
- anet = (struct area_net *) fib_route(&nf->n.oa->net_fib, nf->fn.prefix, nf->fn.pxlen);
+ anet = (struct area_net *) fib_route(&nf->n.oa->net_fib, nf->fn.addr);
if (anet)
{
if (!anet->active)
@@ -1197,7 +1188,7 @@ ospf_rt_abr1(struct ospf_proto *p)
anet->active = 1;
/* Get a RT entry and mark it to know that it is an area network */
- ort *nfi = (ort *) fib_get(&p->rtf, &anet->fn.prefix, anet->fn.pxlen);
+ ort *nfi = fib_get(&p->rtf, anet->fn.addr);
nfi->area_net = 1;
/* 16.2. (3) */
@@ -1212,8 +1203,13 @@ ospf_rt_abr1(struct ospf_proto *p)
}
FIB_WALK_END;
- ip_addr addr = IPA_NONE;
- default_nf = (ort *) fib_get(&p->rtf, &addr, 0);
+
+ if (ospf_is_v2(p))
+ net_fill_ip4(&default_net, IP4_NONE, 0);
+ else
+ net_fill_ip6(&default_net, IP6_NONE, 0);
+
+ default_nf = fib_get(&p->rtf, &default_net);
default_nf->area_net = 1;
struct ospf_area *oa;
@@ -1240,11 +1236,10 @@ ospf_rt_abr1(struct ospf_proto *p)
/* RFC 2328 16.4. (3) - precompute preferred ASBR entries */
if (oa_is_ext(oa))
{
- FIB_WALK(&oa->rtr, nftmp)
+ FIB_WALK(&oa->rtr, ort, nf)
{
- nf = (ort *) nftmp;
if (nf->n.options & ORTA_ASBR)
- ri_install_asbr(p, &nf->fn.prefix, &nf->n);
+ ri_install_asbr(p, rid_from_net(nf->fn.addr), &nf->n);
}
FIB_WALK_END;
}
@@ -1252,9 +1247,9 @@ ospf_rt_abr1(struct ospf_proto *p)
/* Originate or flush ASBR summary LSAs */
- FIB_WALK(&p->backbone->rtr, nftmp)
+ FIB_WALK(&p->backbone->rtr, ort, nf)
{
- check_sum_rt_lsa(p, (ort *) nftmp);
+ check_sum_rt_lsa(p, nf);
}
FIB_WALK_END;
@@ -1281,8 +1276,6 @@ ospf_rt_abr2(struct ospf_proto *p)
{
struct ospf_area *oa;
struct top_hash_entry *en;
- ort *nf, *nf2;
-
/* RFC 3103 3.1 - type-7 translator election */
struct ospf_area *bb = p->backbone;
@@ -1294,13 +1287,12 @@ ospf_rt_abr2(struct ospf_proto *p)
if (oa->ac->translator)
goto decided;
- FIB_WALK(&oa->rtr, nftmp)
+ FIB_WALK(&oa->rtr, ort, nf)
{
- nf = (ort *) nftmp;
if (!nf->n.type || !(nf->n.options & ORTA_ABR))
continue;
- nf2 = fib_find(&bb->rtr, &nf->fn.prefix, MAX_PREFIX_LENGTH);
+ ort *nf2 = fib_find(&bb->rtr, nf->fn.addr);
if (!nf2 || !nf2->n.type || !(nf2->n.options & ORTA_ABR))
continue;
@@ -1340,13 +1332,11 @@ ospf_rt_abr2(struct ospf_proto *p)
/* Compute condensed external networks */
- FIB_WALK(&p->rtf, nftmp)
+ FIB_WALK(&p->rtf, ort, nf)
{
- nf = (ort *) nftmp;
if (rt_is_nssa(nf) && (nf->n.options & ORTA_PROP))
{
- struct area_net *anet = (struct area_net *)
- fib_route(&nf->n.oa->enet_fib, nf->fn.prefix, nf->fn.pxlen);
+ struct area_net *anet = fib_route(&nf->n.oa->enet_fib, nf->fn.addr);
if (anet)
{
@@ -1355,7 +1345,7 @@ ospf_rt_abr2(struct ospf_proto *p)
anet->active = 1;
/* Get a RT entry and mark it to know that it is an area network */
- nf2 = (ort *) fib_get(&p->rtf, &anet->fn.prefix, anet->fn.pxlen);
+ ort *nf2 = fib_get(&p->rtf, anet->fn.addr);
nf2->area_net = 1;
}
@@ -1370,10 +1360,8 @@ ospf_rt_abr2(struct ospf_proto *p)
FIB_WALK_END;
- FIB_WALK(&p->rtf, nftmp)
+ FIB_WALK(&p->rtf, ort, nf)
{
- nf = (ort *) nftmp;
-
check_sum_net_lsa(p, nf);
check_nssa_lsa(p, nf);
}
@@ -1383,22 +1371,57 @@ ospf_rt_abr2(struct ospf_proto *p)
/* Like fib_route(), but ignores dummy rt entries */
static void *
-ospf_fib_route(struct fib *f, ip_addr a, int len)
+ospf_fib_route_ip4(struct fib *f, ip4_addr a, int len)
+{
+ net_addr_ip4 net = NET_ADDR_IP4(a, len);
+ ort *nf;
+
+loop:
+ nf = fib_find(f, (net_addr *) &net);
+ if (nf && nf->n.type)
+ return nf;
+
+ if (net.pxlen > 0)
+ {
+ net.pxlen--;
+ ip4_clrbit(&net.prefix, net.pxlen);
+ goto loop;
+ }
+
+ return NULL;
+}
+
+static void *
+ospf_fib_route_ip6(struct fib *f, ip6_addr a, int len)
{
- ip_addr a0;
+ net_addr_ip6 net = NET_ADDR_IP6(a, len);
ort *nf;
- while (len >= 0)
+loop:
+ nf = fib_find(f, (net_addr *) &net);
+ if (nf && nf->n.type)
+ return nf;
+
+ if (net.pxlen > 0)
{
- a0 = ipa_and(a, ipa_mkmask(len));
- nf = fib_find(f, &a0, len);
- if (nf && nf->n.type)
- return nf;
- len--;
+ net.pxlen--;
+ ip6_clrbit(&net.prefix, net.pxlen);
+ goto loop;
}
+
return NULL;
}
+static void *
+ospf_fib_route(struct fib *f, ip_addr a)
+{
+ if (f->addr_type == NET_IP4)
+ return ospf_fib_route_ip4(f, ipa_to_ip4(a), IP4_MAX_PREFIX_LENGTH);
+ else
+ return ospf_fib_route_ip6(f, ipa_to_ip6(a), IP6_MAX_PREFIX_LENGTH);
+}
+
+
/* RFC 2328 16.4. calculating external routes */
static void
ospf_ext_spf(struct ospf_proto *p)
@@ -1407,7 +1430,6 @@ ospf_ext_spf(struct ospf_proto *p)
struct ospf_lsa_ext_local rt;
ort *nf1, *nf2;
orta nfa = {};
- ip_addr rtid;
u32 br_metric;
struct ospf_area *atmp;
@@ -1431,19 +1453,18 @@ ospf_ext_spf(struct ospf_proto *p)
lsa_parse_ext(en, ospf_is_v2(p), &rt);
- if (rt.metric == LSINFINITY)
- continue;
-
- if (rt.pxopts & OPT_PX_NU)
- continue;
-
- if (rt.pxlen < 0 || rt.pxlen > MAX_PREFIX_LENGTH)
+ if (!ospf_valid_prefix(&rt.net))
{
log(L_WARN "%s: Invalid prefix in LSA (Type: %04x, Id: %R, Rt: %R)",
p->p.name, en->lsa_type, en->lsa.id, en->lsa.rt);
continue;
}
+ if (rt.metric == LSINFINITY)
+ continue;
+
+ if (rt.pxopts & OPT_PX_NU)
+ continue;
/* 16.4. (3) */
/* If there are more areas, we already precomputed preferred ASBR
@@ -1457,8 +1478,8 @@ ospf_ext_spf(struct ospf_proto *p)
if (!atmp)
continue; /* Should not happen */
- rtid = ipa_from_rid(en->lsa.rt);
- nf1 = fib_find(&atmp->rtr, &rtid, MAX_PREFIX_LENGTH);
+ net_addr_ip4 nrid = net_from_rid(en->lsa.rt);
+ nf1 = fib_find(&atmp->rtr, (net_addr *) &nrid);
if (!nf1 || !nf1->n.type)
continue; /* No AS boundary router found */
@@ -1468,7 +1489,7 @@ ospf_ext_spf(struct ospf_proto *p)
/* 16.4. (3) NSSA - special rule for default routes */
/* ABR should use default only if P-bit is set and summaries are active */
- if ((en->lsa_type == LSA_T_NSSA) && ipa_zero(rt.ip) && (rt.pxlen == 0) &&
+ if ((en->lsa_type == LSA_T_NSSA) && (rt.net.pxlen == 0) &&
(p->areano > 1) && !(rt.propagate && atmp->ac->summary))
continue;
@@ -1480,7 +1501,7 @@ ospf_ext_spf(struct ospf_proto *p)
}
else
{
- nf2 = ospf_fib_route(&p->rtf, rt.fwaddr, MAX_PREFIX_LENGTH);
+ nf2 = ospf_fib_route(&p->rtf, rt.fwaddr);
if (!nf2)
continue;
@@ -1542,7 +1563,7 @@ ospf_ext_spf(struct ospf_proto *p)
nfa.oa = atmp; /* undefined in RFC 2328 */
nfa.en = en; /* store LSA for later (NSSA processing) */
- ri_install_ext(p, rt.ip, rt.pxlen, &nfa);
+ ri_install_ext(p, &rt.net, &nfa);
}
}
@@ -1552,13 +1573,10 @@ ospf_rt_reset(struct ospf_proto *p)
{
struct ospf_area *oa;
struct top_hash_entry *en;
- struct area_net *anet;
- ort *ri;
/* Reset old routing table */
- FIB_WALK(&p->rtf, nftmp)
+ FIB_WALK(&p->rtf, ort, ri)
{
- ri = (ort *) nftmp;
ri->area_net = 0;
reset_ri(ri);
}
@@ -1579,9 +1597,8 @@ ospf_rt_reset(struct ospf_proto *p)
WALK_LIST(oa, p->area_list)
{
/* Reset ASBR routing tables */
- FIB_WALK(&oa->rtr, nftmp)
+ FIB_WALK(&oa->rtr, ort, ri)
{
- ri = (ort *) nftmp;
reset_ri(ri);
}
FIB_WALK_END;
@@ -1589,17 +1606,15 @@ ospf_rt_reset(struct ospf_proto *p)
/* Reset condensed area networks */
if (p->areano > 1)
{
- FIB_WALK(&oa->net_fib, nftmp)
+ FIB_WALK(&oa->net_fib, struct area_net, anet)
{
- anet = (struct area_net *) nftmp;
anet->active = 0;
anet->metric = 0;
}
FIB_WALK_END;
- FIB_WALK(&oa->enet_fib, nftmp)
+ FIB_WALK(&oa->enet_fib, struct area_net, anet)
{
- anet = (struct area_net *) nftmp;
anet->active = 0;
anet->metric = 0;
}
@@ -1901,7 +1916,6 @@ rt_sync(struct ospf_proto *p)
struct top_hash_entry *en;
struct fib_iterator fit;
struct fib *fib = &p->rtf;
- ort *nf;
struct ospf_area *oa;
/* This is used for forced reload of routes */
@@ -1912,10 +1926,8 @@ rt_sync(struct ospf_proto *p)
DBG("Now syncing my rt table with nest's\n");
FIB_ITERATE_INIT(&fit, fib);
again1:
- FIB_ITERATE_START(fib, &fit, nftmp)
+ FIB_ITERATE_START(fib, &fit, ort, nf)
{
- nf = (ort *) nftmp;
-
/* Sanity check of next-hop addresses, failure should not happen */
if (nf->n.type)
{
@@ -1961,7 +1973,6 @@ again1:
if (reload || ort_changed(nf, &a0))
{
- net *ne = net_get(p->p.table, nf->fn.prefix, nf->fn.pxlen);
rta *a = rta_lookup(&a0);
rte *e = rte_get_temp(a);
@@ -1972,12 +1983,10 @@ again1:
e->u.ospf.tag = nf->old_tag = nf->n.tag;
e->u.ospf.router_id = nf->old_rid = nf->n.rid;
e->pflags = 0;
- e->net = ne;
- e->pref = p->p.preference;
- DBG("Mod rte type %d - %I/%d via %I on iface %s, met %d\n",
- a0.source, nf->fn.prefix, nf->fn.pxlen, a0.gw, a0.iface ? a0.iface->name : "(none)", nf->n.metric1);
- rte_update(&p->p, ne, e);
+ DBG("Mod rte type %d - %N via %I on iface %s, met %d\n",
+ a0.source, nf->fn.addr, a0.gw, a0.iface ? a0.iface->name : "(none)", nf->n.metric1);
+ rte_update(&p->p, nf->fn.addr, e);
}
}
else if (nf->old_rta)
@@ -1986,19 +1995,21 @@ again1:
rta_free(nf->old_rta);
nf->old_rta = NULL;
- net *ne = net_get(p->p.table, nf->fn.prefix, nf->fn.pxlen);
- rte_update(&p->p, ne, NULL);
+ rte_update(&p->p, nf->fn.addr, NULL);
}
/* Remove unused rt entry, some special entries are persistent */
if (!nf->n.type && !nf->external_rte && !nf->area_net)
{
- FIB_ITERATE_PUT(&fit, nftmp);
- fib_delete(fib, nftmp);
+ if (nf->lsa_id)
+ idm_free(&p->idm, nf->lsa_id);
+
+ FIB_ITERATE_PUT(&fit);
+ fib_delete(fib, nf);
goto again1;
}
}
- FIB_ITERATE_END(nftmp);
+ FIB_ITERATE_END;
WALK_LIST(oa, p->area_list)
@@ -2006,18 +2017,16 @@ again1:
/* Cleanup ASBR hash tables */
FIB_ITERATE_INIT(&fit, &oa->rtr);
again2:
- FIB_ITERATE_START(&oa->rtr, &fit, nftmp)
+ FIB_ITERATE_START(&oa->rtr, &fit, ort, nf)
{
- nf = (ort *) nftmp;
-
if (!nf->n.type)
{
- FIB_ITERATE_PUT(&fit, nftmp);
- fib_delete(&oa->rtr, nftmp);
+ FIB_ITERATE_PUT(&fit);
+ fib_delete(&oa->rtr, nf);
goto again2;
}
}
- FIB_ITERATE_END(nftmp);
+ FIB_ITERATE_END;
}
/* Cleanup stale LSAs */
diff --git a/proto/ospf/rt.h b/proto/ospf/rt.h
index 30332f3b..959d12e9 100644
--- a/proto/ospf/rt.h
+++ b/proto/ospf/rt.h
@@ -78,12 +78,14 @@ typedef struct ort
* route was not in the last update, in that case other old_* values are not
* valid.
*/
- struct fib_node fn;
orta n;
u32 old_metric1, old_metric2, old_tag, old_rid;
rta *old_rta;
+ u32 lsa_id;
u8 external_rte;
u8 area_net;
+
+ struct fib_node fn;
}
ort;
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index 7558d4a0..86e39d75 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -283,8 +283,8 @@ ospf_originate_lsa(struct ospf_proto *p, struct ospf_new_lsa *lsa)
if (en->nf != lsa->nf)
{
- log(L_ERR "%s: LSA ID collision for %I/%d",
- p->p.name, lsa->nf->fn.prefix, lsa->nf->fn.pxlen);
+ log(L_ERR "%s: LSA ID collision for %N",
+ p->p.name, lsa->nf->fn.addr);
en = NULL;
goto drop;
@@ -513,15 +513,14 @@ ospf_update_lsadb(struct ospf_proto *p)
}
}
-
-static inline u32
+static u32
ort_to_lsaid(struct ospf_proto *p, ort *nf)
{
/*
* In OSPFv2, We have to map IP prefixes to u32 in such manner that resulting
* u32 interpreted as IP address is a member of given prefix. Therefore, /32
- * prefix have to be mapped on itself. All received prefixes have to be
- * mapped on different u32s.
+ * prefix has to be mapped on itself. All received prefixes have to be mapped
+ * on different u32s.
*
* We have an assumption that if there is nontrivial (non-/32) network prefix,
* then there is not /32 prefix for the first and the last IP address of the
@@ -542,17 +541,21 @@ ort_to_lsaid(struct ospf_proto *p, ort *nf)
* network appeared, we choose a different way.
*
* In OSPFv3, it is simpler. There is not a requirement for membership of the
- * result in the input network, so we just use a hash-based unique ID of a
- * routing table entry for a route that originated given LSA. For ext-LSA, it
- * is an imported route in the nest's routing table (p->table). For summary-LSA,
- * it is a 'source' route in the protocol internal routing table (p->rtf).
+ * result in the input network, so we just allocate a unique ID from ID map
+ * and store it in nf->lsa_id for further reference.
*/
if (ospf_is_v3(p))
- return nf->fn.uid;
+ {
+ if (!nf->lsa_id)
+ nf->lsa_id = idm_alloc(&p->idm);
- u32 id = ipa_to_u32(nf->fn.prefix);
- int pxlen = nf->fn.pxlen;
+ return nf->lsa_id;
+ }
+
+ net_addr_ip4 *net = (void *) nf->fn.addr;
+ u32 id = ip4_to_u32(net->prefix);
+ int pxlen = net->pxlen;
if ((pxlen == 0) || (pxlen == 32))
return id;
@@ -628,12 +631,12 @@ configured_stubnet(struct ospf_area *oa, struct ifa *a)
{
if (sn->summary)
{
- if (ipa_in_net(a->prefix, sn->px.addr, sn->px.len) && (a->pxlen >= sn->px.len))
+ if (net_in_netX(&a->prefix, &sn->prefix))
return 1;
}
else
{
- if (ipa_equal(a->prefix, sn->px.addr) && (a->pxlen == sn->px.len))
+ if (net_equal(&a->prefix, &sn->prefix))
return 1;
}
}
@@ -781,7 +784,8 @@ prepare_rt2_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
(ifa->type == OSPF_IT_PTMP))
add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(ifa->addr->ip), 0xffffffff, 0);
else
- add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(ifa->addr->prefix), u32_mkmask(ifa->addr->pxlen), ifa->cost);
+ add_rt2_lsa_link(p, LSART_STUB, ip4_to_u32(net4_prefix(&ifa->addr->prefix)),
+ u32_mkmask(net4_pxlen(&ifa->addr->prefix)), ifa->cost);
i++;
ifa->rt_pos_end = i;
@@ -790,7 +794,8 @@ prepare_rt2_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
struct ospf_stubnet_config *sn;
WALK_LIST(sn, oa->ac->stubnet_list)
if (!sn->hidden)
- add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(sn->px.addr), u32_mkmask(sn->px.len), sn->cost), i++;
+ add_rt2_lsa_link(p, LSART_STUB, ip4_to_u32(net4_prefix(&sn->prefix)),
+ u32_mkmask(net4_pxlen(&sn->prefix)), sn->cost), i++;
struct ospf_lsa_rt *rt = p->lsab;
/* Store number of links in lower half of options */
@@ -907,7 +912,7 @@ prepare_net2_lsa_body(struct ospf_proto *p, struct ospf_iface *ifa)
ASSERT(p->lsab_used == 0);
net = lsab_alloc(p, sizeof(struct ospf_lsa_net) + 4 * nodes);
- net->optx = u32_mkmask(ifa->addr->pxlen);
+ net->optx = u32_mkmask(ifa->addr->prefix.pxlen);
net->routers[0] = p->router_id;
WALK_LIST(n, ifa->neigh_list)
@@ -999,9 +1004,10 @@ prepare_sum3_net_lsa_body(struct ospf_proto *p, ort *nf, u32 metric)
{
struct ospf_lsa_sum3_net *sum;
- sum = lsab_allocz(p, sizeof(struct ospf_lsa_sum3_net) + IPV6_PREFIX_SPACE(nf->fn.pxlen));
+ sum = lsab_allocz(p, sizeof(struct ospf_lsa_sum3_net) +
+ IPV6_PREFIX_SPACE(nf->fn.addr->pxlen));
sum->metric = metric;
- put_ipv6_prefix(sum->prefix, nf->fn.prefix, nf->fn.pxlen, 0, 0);
+ ospf_put_ipv6_prefix(sum->prefix, nf->fn.addr, 0, 0);
}
static inline void
@@ -1028,7 +1034,7 @@ ospf_originate_sum_net_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf,
};
if (ospf_is_v2(p))
- prepare_sum2_lsa_body(p, nf->fn.pxlen, metric);
+ prepare_sum2_lsa_body(p, nf->fn.addr->pxlen, metric);
else
prepare_sum3_net_lsa_body(p, nf, metric);
@@ -1036,20 +1042,20 @@ ospf_originate_sum_net_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf,
}
void
-ospf_originate_sum_rt_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf, int metric, u32 options)
+ospf_originate_sum_rt_lsa(struct ospf_proto *p, struct ospf_area *oa, u32 drid, int metric, u32 options)
{
struct ospf_new_lsa lsa = {
.type = LSA_T_SUM_RT,
.mode = LSA_M_RTCALC,
.dom = oa->areaid,
- .id = ipa_to_rid(nf->fn.prefix), /* Router ID of ASBR, irrelevant for OSPFv3 */
+ .id = drid, /* Router ID of ASBR, irrelevant for OSPFv3 */
.opts = oa->options
};
if (ospf_is_v2(p))
prepare_sum2_lsa_body(p, 0, metric);
else
- prepare_sum3_rt_lsa_body(p, lsa.id, metric, options & LSA_OPTIONS_MASK);
+ prepare_sum3_rt_lsa_body(p, drid, metric, options & LSA_OPTIONS_MASK);
ospf_originate_lsa(p, &lsa);
}
@@ -1082,7 +1088,7 @@ prepare_ext3_lsa_body(struct ospf_proto *p, ort *nf,
{
struct ospf_lsa_ext3 *ext;
int bsize = sizeof(struct ospf_lsa_ext3)
- + IPV6_PREFIX_SPACE(nf->fn.pxlen)
+ + IPV6_PREFIX_SPACE(nf->fn.addr->pxlen)
+ (ipa_nonzero(fwaddr) ? 16 : 0)
+ (tag ? 4 : 0);
@@ -1090,7 +1096,7 @@ prepare_ext3_lsa_body(struct ospf_proto *p, ort *nf,
ext->metric = metric & LSA_METRIC_MASK;
u32 *buf = ext->rest;
- buf = put_ipv6_prefix(buf, nf->fn.prefix, nf->fn.pxlen, pbit ? OPT_PX_P : 0, 0);
+ buf = ospf_put_ipv6_prefix(buf, nf->fn.addr, pbit ? OPT_PX_P : 0, 0);
if (ebit)
ext->metric |= LSA_EXT3_EBIT;
@@ -1098,7 +1104,7 @@ prepare_ext3_lsa_body(struct ospf_proto *p, ort *nf,
if (ipa_nonzero(fwaddr))
{
ext->metric |= LSA_EXT3_FBIT;
- buf = put_ipv6_addr(buf, fwaddr);
+ buf = ospf_put_ipv6_addr(buf, fwaddr);
}
if (tag)
@@ -1140,7 +1146,7 @@ ospf_originate_ext_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf, u8 m
};
if (ospf_is_v2(p))
- prepare_ext2_lsa_body(p, nf->fn.pxlen, metric, ebit, fwaddr, tag);
+ prepare_ext2_lsa_body(p, nf->fn.addr->pxlen, metric, ebit, fwaddr, tag);
else
prepare_ext3_lsa_body(p, nf, metric, ebit, fwaddr, tag, oa && pbit);
@@ -1177,7 +1183,7 @@ use_gw_for_fwaddr(struct ospf_proto *p, ip_addr gw, struct iface *iface)
WALK_LIST(ifa, p->iface_list)
if ((ifa->iface == iface) &&
- (!ospf_is_v2(p) || ipa_in_net(gw, ifa->addr->prefix, ifa->addr->pxlen)))
+ (!ospf_is_v2(p) || ipa_in_netX(gw, &ifa->addr->prefix)))
return 1;
return 0;
@@ -1215,7 +1221,8 @@ find_surrogate_fwaddr(struct ospf_proto *p, struct ospf_area *oa)
{
WALK_LIST(a, ifa->iface->addrs)
{
- if ((a->flags & IA_SECONDARY) ||
+ if ((a->prefix.type != NET_IP6) ||
+ (a->flags & IA_SECONDARY) ||
(a->flags & IA_PEER) ||
(a->scope <= SCOPE_LINK))
continue;
@@ -1234,7 +1241,7 @@ find_surrogate_fwaddr(struct ospf_proto *p, struct ospf_area *oa)
}
void
-ospf_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *ea)
+ospf_rt_notify(struct proto *P, struct channel *ch UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *ea)
{
struct ospf_proto *p = (struct ospf_proto *) P;
struct ospf_area *oa = NULL; /* non-NULL for NSSA-LSA */
@@ -1253,7 +1260,7 @@ ospf_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old U
if (!new)
{
- nf = (ort *) fib_find(&p->rtf, &n->n.prefix, n->n.pxlen);
+ nf = fib_find(&p->rtf, n->n.addr);
if (!nf || !nf->external_rte)
return;
@@ -1290,13 +1297,13 @@ ospf_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old U
if (ipa_zero(fwd))
{
- log(L_ERR "%s: Cannot find forwarding address for NSSA-LSA %I/%d",
- p->p.name, n->n.prefix, n->n.pxlen);
+ log(L_ERR "%s: Cannot find forwarding address for NSSA-LSA %N",
+ p->p.name, n->n.addr);
return;
}
}
- nf = (ort *) fib_get(&p->rtf, &n->n.prefix, n->n.pxlen);
+ nf = fib_get(&p->rtf, n->n.addr);
ospf_originate_ext_lsa(p, oa, nf, LSA_M_EXPORT, metric, ebit, fwd, tag, 1);
nf->external_rte = 1;
}
@@ -1308,11 +1315,11 @@ ospf_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old U
*/
static inline void
-lsab_put_prefix(struct ospf_proto *p, ip_addr prefix, u32 pxlen, u32 cost)
+lsab_put_prefix(struct ospf_proto *p, net_addr *net, u32 cost)
{
- void *buf = lsab_alloc(p, IPV6_PREFIX_SPACE(pxlen));
- u8 flags = (pxlen < MAX_PREFIX_LENGTH) ? 0 : OPT_PX_LA;
- put_ipv6_prefix(buf, prefix, pxlen, flags, cost);
+ void *buf = lsab_alloc(p, IPV6_PREFIX_SPACE(net6_pxlen(net)));
+ u8 flags = (net6_pxlen(net) < IP6_MAX_PREFIX_LENGTH) ? 0 : OPT_PX_LA;
+ ospf_put_ipv6_prefix(buf, net, flags, cost);
}
static void
@@ -1330,11 +1337,12 @@ prepare_link_lsa_body(struct ospf_proto *p, struct ospf_iface *ifa)
struct ifa *a;
WALK_LIST(a, ifa->iface->addrs)
{
- if ((a->flags & IA_SECONDARY) ||
- (a->scope < SCOPE_SITE))
+ if ((a->prefix.type != NET_IP6) ||
+ (a->flags & IA_SECONDARY) ||
+ (a->scope <= SCOPE_LINK))
continue;
- lsab_put_prefix(p, a->prefix, a->pxlen, 0);
+ lsab_put_prefix(p, &a->prefix, 0);
i++;
}
@@ -1401,12 +1409,13 @@ prepare_prefix_rt_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
struct ifa *a;
WALK_LIST(a, ifa->iface->addrs)
{
- if ((a->flags & IA_SECONDARY) ||
+ if ((a->prefix.type != NET_IP6) ||
+ (a->flags & IA_SECONDARY) ||
(a->flags & IA_PEER) ||
(a->scope <= SCOPE_LINK))
continue;
- if (((a->pxlen < MAX_PREFIX_LENGTH) && net_lsa) ||
+ if (((a->prefix.pxlen < IP6_MAX_PREFIX_LENGTH) && net_lsa) ||
configured_stubnet(oa, a))
continue;
@@ -1414,11 +1423,12 @@ prepare_prefix_rt_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
(ifa->state == OSPF_IS_LOOP) ||
(ifa->type == OSPF_IT_PTMP))
{
- lsab_put_prefix(p, a->ip, MAX_PREFIX_LENGTH, 0);
+ net_addr_ip6 net = NET_ADDR_IP6(a->ip, IP6_MAX_PREFIX_LENGTH);
+ lsab_put_prefix(p, (net_addr *) &net, 0);
host_addr = 1;
}
else
- lsab_put_prefix(p, a->prefix, a->pxlen, ifa->cost);
+ lsab_put_prefix(p, &a->prefix, ifa->cost);
i++;
}
@@ -1429,8 +1439,8 @@ prepare_prefix_rt_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
WALK_LIST(sn, oa->ac->stubnet_list)
if (!sn->hidden)
{
- lsab_put_prefix(p, sn->px.addr, sn->px.len, sn->cost);
- if (sn->px.len == MAX_PREFIX_LENGTH)
+ lsab_put_prefix(p, &sn->prefix, sn->cost);
+ if (sn->prefix.pxlen == IP6_MAX_PREFIX_LENGTH)
host_addr = 1;
i++;
}
@@ -1447,11 +1457,14 @@ prepare_prefix_rt_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
struct ifa *a;
WALK_LIST(a, ifa->iface->addrs)
{
- if ((a->flags & IA_SECONDARY) || (a->scope <= SCOPE_LINK))
+ if ((a->prefix.type != NET_IP6) ||
+ (a->flags & IA_SECONDARY) ||
+ (a->scope <= SCOPE_LINK))
continue;
/* Found some IP */
- lsab_put_prefix(p, a->ip, MAX_PREFIX_LENGTH, 0);
+ net_addr_ip6 net = NET_ADDR_IP6(a->ip, IP6_MAX_PREFIX_LENGTH);
+ lsab_put_prefix(p, (net_addr *) &net, 0);
i++;
goto done;
}
diff --git a/proto/ospf/topology.h b/proto/ospf/topology.h
index 5652ced0..38447fdf 100644
--- a/proto/ospf/topology.h
+++ b/proto/ospf/topology.h
@@ -185,10 +185,10 @@ static inline void ospf_flush2_lsa(struct ospf_proto *p, struct top_hash_entry *
{ if (*en) { ospf_flush_lsa(p, *en); *en = NULL; } }
void ospf_originate_sum_net_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf, int metric);
-void ospf_originate_sum_rt_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf, int metric, u32 options);
+void ospf_originate_sum_rt_lsa(struct ospf_proto *p, struct ospf_area *oa, u32 drid, int metric, u32 options);
void ospf_originate_ext_lsa(struct ospf_proto *p, struct ospf_area *oa, ort *nf, u8 mode, u32 metric, u32 ebit, ip_addr fwaddr, u32 tag, int pbit);
-void ospf_rt_notify(struct proto *P, rtable *tbl, net *n, rte *new, rte *old, ea_list *attrs);
+void ospf_rt_notify(struct proto *P, struct channel *ch, net *n, rte *new, rte *old, ea_list *attrs);
void ospf_update_topology(struct ospf_proto *p);
struct top_hash_entry *ospf_hash_find(struct top_graph *, u32 domain, u32 lsa, u32 rtr, u32 type);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 22:19:01 +0000