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Temporary OSPFv3 development commit

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This commit is contained in:
Ondrej Zajicek 2009-08-25 16:42:14 +02:00
parent c3226991a0
commit b49e6f5a65
23 changed files with 449 additions and 214 deletions
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1
filter/filter.h
View file

@ -86,6 +86,7 @@ int filter_same(struct filter *new, struct filter *old);
int i_same(struct f_inst *f1, struct f_inst *f2);
void f_prefix_get_bounds(struct f_prefix *px, int *l, int *h);
int val_compare(struct f_val v1, struct f_val v2);
void val_print(struct f_val v);

2
filter/trie.c
View file

@ -272,7 +272,7 @@ static int
trie_node_print(struct f_trie_node *t, char *buf, int blen)
{
if (t == NULL)
return;
return 0;
int old_blen = blen;
int wb = 0; // bsnprintf(buf, blen, "%I/%d accept %I\n", t->addr, t->plen, t->accept);

54
lib/ipv6.c
View file

@ -136,6 +136,60 @@ ipv6_compare(ip_addr X, ip_addr Y)
return 0;
}
/* From Linux include/net/ipv6.h */
#define NEXTHDR_HOP 0 /* Hop-by-hop option header. */
#define NEXTHDR_ROUTING 43 /* Routing header. */
#define NEXTHDR_FRAGMENT 44 /* Fragmentation/reassembly header. */
#define NEXTHDR_DEST 60 /* Destination options header. */
#define NEXTHDR_NONE 59 /* No next header */
#define NEXTHDR_ESP 50 /* Encapsulating security payload. */
#define NEXTHDR_AUTH 51 /* Authentication header. */
byte *
ipv6_skip_header(byte *pkt, int *len)
{
int l = *len;
int q;
u8 nh;
if (l < 40 || (*pkt & 0xf0) != 0x60)
return NULL;
/* Skip IPv6 header */
nh = pkt[6];
pkt += 40;
while ()
{
switch (nw)
{
case NEXTHDR_FRAGMENT:
case NEXTHDR_HOP:
case NEXTHDR_ROUTING:
case NEXTHDR_DEST:
case NEXTHDR_AUTH:
break;
case NEXTHDR_NONE:
return NULL;
default:
return pkt;
}
}
q = (*pkt & 0x0f) * 4;
if (q > l)
return NULL;
*len -= q;
return pkt + q;
}
/*
* Conversion of IPv6 address to presentation format and vice versa.
* Heavily inspired by routines written by Paul Vixie for the BIND project

1
lib/ipv6.h
View file

@ -1,3 +1,4 @@
/*
* BIRD -- IP Addresses et Cetera for IPv6
*

2
nest/a-path.c
View file

@ -298,7 +298,7 @@ parse_path(struct adata *path, struct pm_pos *pos)
u8 *p = path->data;
u8 *q = p + path->length;
struct pm_pos *opos = pos;
int i, j, len;
int i, len;
while (p < q)

2
nest/rt-attr.c
View file

@ -71,7 +71,6 @@ ea__find(ea_list *e, unsigned id)
while (e)
{
/*
if (e->flags & EALF_BISECT)
{
l = 0;
@ -89,7 +88,6 @@ ea__find(ea_list *e, unsigned id)
}
}
else
*/
for(m=0; m<e->count; m++)
if (e->attrs[m].id == id)
return &e->attrs[m];

2
proto/bgp/attrs.c
View file

@ -1131,6 +1131,8 @@ as4_aggregator_valid(struct adata *aggr)
if ((a[0] == 0) || (a[1] == 0))
return 0;
return 1;
}

1
proto/bgp/packets.c
View file

@ -488,7 +488,6 @@ bgp_parse_capabilities(struct bgp_conn *conn, byte *opt, int len)
{
struct bgp_proto *p = conn->bgp;
int cl;
u32 as;
while (len > 0)
{

10
proto/ospf/dbdes.c
View file

@ -85,8 +85,9 @@ ospf_dbdes_send(struct ospf_neighbor *n, int next)
struct proto *p = &po->proto;
u16 length, i, j;
/* FIXME ??? */
if ((oa->rt == NULL) || (EMPTY_LIST(po->lsal)))
originate_rt_lsa(oa);
update_rt_lsa(oa);
switch (n->state)
{
@ -227,13 +228,14 @@ ospf_dbdes_reqladd(struct ospf_dbdes_packet *ps, struct ospf_neighbor *n)
for (i = 0; i < j; i++)
{
ntohlsah(plsa + i, &lsa);
if (((he = ospfxx_hash_find_smart(gr, n->ifa, &lsa)) == NULL) ||
u32 dom = ospf_lsa_domain(lsa.type, n->ifa);
if (((he = ospf_hash_find_header(gr, dom, &lsa)) == NULL) ||
(lsa_comp(&lsa, &(he->lsa)) == 1))
{
/* Is this condition necessary? */
if (ospfxx_hash_find_smart(n->lsrqh, n->ifa, &lsa) == NULL)
if (ospf_hash_find_header(n->lsrqh, dom, &lsa) == NULL)
{
sn = ospfxx_hash_get_smart(n->lsrqh, n->ifa, &lsa);
sn = ospf_hash_get_header(n->lsrqh, dom, &lsa);
ntohlsah(plsa + i, &(sn->lsa));
s_add_tail(&(n->lsrql), SNODE sn);
}

1
proto/ospf/hello.c
View file

@ -48,7 +48,6 @@ ospf_hello_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
struct ospf_hello_packet *ps = (void *) ps_i;
u32 *pnrid;
u32 olddr, oldbdr, oldiface_id, tmp;
ip_addr mask;
char *beg = "Bad OSPF hello packet from ", *rec = " received: ";
struct proto *p = (struct proto *) ifa->oa->po;
unsigned int size = ntohs(ps->ospf_packet.length), i, twoway, oldpriority, eligible = 0, peers;

17
proto/ospf/iface.c
View file

@ -420,6 +420,23 @@ ospf_iface_new(struct proto_ospf *po, struct iface *iface,
#ifdef OSPFv3
ifa->instance_id = ip->instance_id;
ifa->lladdr = IPA_NONE;
/* Find link-local address */
if (ifa->type != OSPF_IT_VLINK)
{
struct ifa *a;
WALK_LIST(a, iface->addrs)
if (a->scope == SCOPE_LINK)
{
ifa->lladdr = a->ip;
break;
}
if (! ipa_nonzero(ifa->lladdr))
log(L_WARN "%s: Missing link local address on interface %s", p->name, iface->name);
}
#endif
ifa->rxbuf = ip->rxbuf;

3
proto/ospf/lsack.c
View file

@ -177,7 +177,8 @@ ospf_lsack_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
for (i = 0; i < nolsa; i++)
{
ntohlsah(ps->lsh + i, &lsa);
if ((en = ospfxx_hash_find_smart(n->lsrth, n->ifa, &lsa)) == NULL)
u32 dom = ospf_lsa_domain(lsa.type, n->ifa);
if ((en = ospf_hash_find_header(n->lsrth, dom, &lsa)) == NULL)
continue; /* pg 155 */
if (lsa_comp(&lsa, &en->lsa) != CMP_SAME) /* pg 156 */

5
proto/ospf/lsalib.c
View file

@ -384,12 +384,11 @@ lsa_install_new(struct proto_ospf *po, struct ospf_lsa_header *lsa, u32 domain,
{
/* LSA can be temporarrily, but body must be mb_allocated. */
int change = 0;
unsigned i;
struct top_hash_entry *en;
if ((en = ospfxx_hash_find_header(po->gr, domain, lsa)) == NULL)
if ((en = ospf_hash_find_header(po->gr, domain, lsa)) == NULL)
{
en = ospfxx_hash_get_header(po->gr, domain, lsa);
en = ospf_hash_get_header(po->gr, domain, lsa);
change = 1;
}
else

2
proto/ospf/lsreq.c
View file

@ -127,7 +127,7 @@ ospf_lsreq_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
llsh->lsh.rt = hrt;
llsh->lsh.type = htype;
add_tail(&uplist, NODE llsh);
if (ospfxx_hash_find(po->gr, dom, hid, hrt, htype) == NULL)
if (ospf_hash_find(po->gr, dom, hid, hrt, htype) == NULL)
{
log(L_WARN
"Received bad LS req from: %I looking: Type: %u, ID: %R, RT: %R",

22
proto/ospf/lsupd.c
View file

@ -156,7 +156,7 @@ ospf_lsupd_flood(struct proto_ospf *po,
/* 13.3 (1b) */
if (nn->state < NEIGHBOR_FULL)
{
if ((en = ospfxx_hash_find_header(nn->lsrqh, domain, hh)) != NULL)
if ((en = ospf_hash_find_header(nn->lsrqh, domain, hh)) != NULL)
{
DBG("That LSA found in lsreq list for neigh %R\n", nn->rid);
@ -203,9 +203,9 @@ ospf_lsupd_flood(struct proto_ospf *po,
that type of LSA (for LSA types with U-bit == 0). But as we does not support
any optional LSA types, this is not needed yet */
if ((en = ospfxx_hash_find_header(nn->lsrth, domain, hh)) == NULL)
if ((en = ospf_hash_find_header(nn->lsrth, domain, hh)) == NULL)
{
en = ospfxx_hash_get_header(nn->lsrth, domain, hh);
en = ospf_hash_get_header(nn->lsrth, domain, hh);
}
else
{
@ -217,7 +217,7 @@ ospf_lsupd_flood(struct proto_ospf *po,
}
else
{
if ((en = ospfxx_hash_find_header(nn->lsrth, domain, hh)) != NULL)
if ((en = ospf_hash_find_header(nn->lsrth, domain, hh)) != NULL)
{
s_rem_node(SNODE en);
if (en->lsa_body != NULL)
@ -274,7 +274,7 @@ ospf_lsupd_flood(struct proto_ospf *po,
htonlsah(hh, lh);
help = (u8 *) (lh + 1);
en = ospfxx_hash_find_header(po->gr, domain, hh);
en = ospf_hash_find_header(po->gr, domain, hh);
htonlsab(en->lsa_body, help, hh->type, hh->length
- sizeof(struct ospf_lsa_header));
}
@ -347,7 +347,7 @@ ospf_lsupd_send_list(struct ospf_neighbor *n, list * l)
WALK_LIST(llsh, *l)
{
u32 domain = ospf_lsa_domain(llsh->lsh.type, n->ifa);
if ((en = ospfxx_hash_find(po->gr, domain, llsh->lsh.id,
if ((en = ospf_hash_find(po->gr, domain, llsh->lsh.id,
llsh->lsh.rt, llsh->lsh.type)) == NULL)
continue; /* Probably flushed LSA */
/* FIXME This is a bug! I cannot flush LSA that is in lsrt */
@ -487,7 +487,7 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
lsatmp.type, lsatmp.id, lsatmp.rt, lsatmp.sn, lsatmp.age, lsatmp.checksum);
u32 domain = ospf_lsa_domain(lsatmp.type, ifa);
lsadb = ospfxx_hash_find_header(po->gr, domain, &lsatmp);
lsadb = ospf_hash_find_header(po->gr, domain, &lsatmp);
#ifdef LOCAL_DEBUG
if (lsadb)
@ -508,7 +508,6 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
{
struct ospf_iface *ift = NULL;
void *body;
struct ospf_iface *nifa;
int self = (lsatmp.rt == p->cf->global->router_id);
DBG("PG143(5): Received LSA is newer\n");
@ -517,6 +516,7 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
/* 13.4 - check self-originated LSAs of NET type */
if ((!self) && (lsatmp.type == LSA_T_NET))
{
struct ospf_iface *nifa;
WALK_LIST(nifa, po->iface_list)
{
if (!nifa->iface)
@ -551,7 +551,7 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
lsasum_check(lsa, (lsa + 1)); /* It also calculates chsum! */
lsatmp.checksum = ntohs(lsa->checksum);
ospf_lsupd_flood(po, NULL, lsa, &lsatmp, domain, 0);
if (en = ospfxx_hash_find_header(po->gr, domain, &lsatmp))
if (en = ospf_hash_find_header(po->gr, domain, &lsatmp))
{ /* FIXME verify hacks */
ospf_lsupd_flood(po, NULL, NULL, &en->lsa, domain, 1);
}
@ -586,7 +586,7 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
{
struct top_hash_entry *en;
if (ntmp->state > NEIGHBOR_EXSTART)
if ((en = ospfxx_hash_find_header(ntmp->lsrth, domain, &lsadb->lsa)) != NULL)
if ((en = ospf_hash_find_header(ntmp->lsrth, domain, &lsadb->lsa)) != NULL)
{
s_rem_node(SNODE en);
if (en->lsa_body != NULL)
@ -622,7 +622,7 @@ ospf_lsupd_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
{
struct top_hash_entry *en;
DBG("PG145(7) Got the same LSA\n");
if ((en = ospfxx_hash_find_header(n->lsrth, lsadb->domain, &lsadb->lsa)) != NULL)
if ((en = ospf_hash_find_header(n->lsrth, lsadb->domain, &lsadb->lsa)) != NULL)
{
/* pg145 (7a) */
s_rem_node(SNODE en);

14
proto/ospf/neighbor.c
View file

@ -173,16 +173,16 @@ electbdr(list nl)
struct ospf_neighbor *neigh, *n1, *n2;
u32 nid;
n1 = NULL;
n2 = NULL;
WALK_LIST(neigh, nl) /* First try those decl. themselves */
{
#ifdef OSPFv2
nid = ipa_to_u32(neigh->ip);
#else /* OSPFv3 */
nid = neigh->rid;
#endif
n1 = NULL;
n2 = NULL;
WALK_LIST(neigh, nl) /* First try those decl. themselves */
{
if (neigh->state >= NEIGHBOR_2WAY) /* Higher than 2WAY */
if (neigh->priority > 0) /* Eligible */
if (neigh->dr != nid) /* And not decl. itself DR */
@ -231,15 +231,15 @@ electdr(list nl)
struct ospf_neighbor *neigh, *n;
u32 nid;
n = NULL;
WALK_LIST(neigh, nl) /* And now DR */
{
#ifdef OSPFv2
nid = ipa_to_u32(neigh->ip);
#else /* OSPFv3 */
nid = neigh->rid;
#endif
n = NULL;
WALK_LIST(neigh, nl) /* And now DR */
{
if (neigh->state >= NEIGHBOR_2WAY) /* Higher than 2WAY */
if (neigh->priority > 0) /* Eligible */
if (neigh->dr == nid) /* And declaring itself DR */

20
proto/ospf/ospf.c
View file

@ -337,7 +337,7 @@ schedule_rtcalc(struct proto_ospf *po)
* @oa: ospf area
*
* It invokes aging and when @ospf_area->origrt is set to 1, start
* function for origination of router LSA and network LSAs.
* function for origination of router, network LSAs.
*/
void
area_disp(struct ospf_area *oa)
@ -347,13 +347,18 @@ area_disp(struct ospf_area *oa)
/* Now try to originage rt_lsa */
if (oa->origrt)
originate_rt_lsa(oa);
update_rt_lsa(oa);
/* Now try to originate network LSA's */
WALK_LIST(ifa, po->iface_list)
{
#ifdef OSPFv3
if (ifa->origlink && (ifa->oa == oa))
update_link_lsa(ifa);
#endif
if (ifa->orignet && (ifa->oa == oa))
originate_net_lsa(ifa);
update_net_lsa(ifa);
}
}
@ -376,7 +381,7 @@ ospf_disp(timer * timer)
/* Calculate routing table */
if (po->calcrt)
ospf_rt_spf (po);
ospf_rt_spf(po);
}
@ -1019,6 +1024,7 @@ ospf_sh_iface(struct proto *p, char *iff)
* according to originating router id (to get all LSA needed to represent one
* router node together). Then, according to LSA type, ID and age.
*/
/*
static int
he_compare(const void *p1, const void *p2)
{
@ -1057,6 +1063,7 @@ he_compare(const void *p1, const void *p2)
return lsa1->age - lsa2->age;
}
}
*/
/*
static inline void
show_lsa_router(struct top_hash_entry *he)
@ -1074,7 +1081,7 @@ show_lsa_router(struct top_hash_entry *he)
if (rr[i].type == LSART_NET)
{
struct proto_ospf *po = he->oa->po;
struct top_hash_entry *net_he = ospfxx_hash_find(po->gr, he->oa->areaid, rr[i].id, rr[i].id, LSA_T_NET);
struct top_hash_entry *net_he = ospf_hash_find(po->gr, he->oa->areaid, rr[i].id, rr[i].id, LSA_T_NET);
if (net_he)
{
struct ospf_lsa_header *net_lsa = &(net_he->lsa);
@ -1152,12 +1159,13 @@ show_lsa_external(struct top_hash_entry *he)
void
ospf_sh_state(struct proto *p, int verbose)
{
/*
struct proto_ospf *po = (struct proto_ospf *) p;
struct top_graph *f = po->gr;
unsigned int i, j;
u32 last_rt = 0xFFFFFFFF;
u32 last_area = 0xFFFFFFFF;
/*
if (p->proto_state != PS_UP)
{
cli_msg(-1016, "%s: is not up", p->name);

5
proto/ospf/ospf.h
View file

@ -194,6 +194,7 @@ struct ospf_iface
u32 dr_iface_id; /* if drid is valid, this is iface_id of DR (for connecting network) */
u8 instance_id; /* Used to differentiate between more OSPF
instances on one interface */
ip_addr lladdr; /* Used link-local addr */
#endif
u8 type; /* OSPF view of type */
@ -371,8 +372,8 @@ struct ospf_lsa_header
u32 id;
u32 rt; /* Advertising router */
s32 sn; /* LS Sequence number */
#define LSA_INITSEQNO 0x80000001
#define LSA_MAXSEQNO 0x7fffffff
#define LSA_INITSEQNO ((s32) 0x80000001)
#define LSA_MAXSEQNO ((s32) 0x7fffffff)
u16 checksum;
u16 length;
};

2
proto/ospf/packet.c
View file

@ -278,7 +278,7 @@ ospf_rx_hook(sock * sk, int size)
if (ifa->stub)
return (1);
ps = (struct ospf_packet *) ipv4_skip_header(sk->rbuf, &size);
ps = (struct ospf_packet *) ip_skip_header(sk->rbuf, &size);
if (ps == NULL)
{

211
proto/ospf/rt.c
View file

@ -8,12 +8,12 @@
#include "ospf.h"
static void
add_cand(list * l, struct top_hash_entry *en,
struct top_hash_entry *par, u32 dist, struct ospf_area *oa);
static void
calc_next_hop(struct top_hash_entry *en,
struct top_hash_entry *par, struct ospf_area *oa);
static void add_cand(list * l, struct top_hash_entry *en,
struct top_hash_entry *par, u32 dist,
struct ospf_area *oa);
static void calc_next_hop(struct ospf_area *oa,
struct top_hash_entry *en,
struct top_hash_entry *par);
static void ospf_ext_spf(struct proto_ospf *po);
static void rt_sync(struct proto_ospf *po);
@ -27,10 +27,11 @@ static void rt_sync(struct proto_ospf *po);
static inline u32 *
get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts)
get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts, u16 *rest)
{
u8 pxl = (*buf >> 24);
*pxopts = (*buf >> 16);
*rest = *buf;
*pxlen = pxl;
buf++;
@ -174,6 +175,79 @@ ri_install(struct proto_ospf *po, ip_addr prefix, int pxlen, int dest,
}
}
static void
add_network(struct ospf_area *oa, ip_addr px, int pxlen, int metric, struct top_hash_entry *en)
{
orta nf;
nf.type = RTS_OSPF;
nf.options = 0;
nf.metric1 = metric;
nf.metric2 = LSINFINITY;
nf.tag = 0;
nf.oa = oa;
nf.ar = en;
nf.nh = en->nh;
nf.ifa = en->nhi;
/* FIXME check nf.ifa on stubs */
ri_install(oa->po, px, pxlen, ORT_NET, &nf, NULL);
}
#ifdef OSPFv3
static void
process_prefixes(struct ospf_area *oa)
{
struct proto_ospf *po = oa->po;
struct proto *p = &po->proto;
struct top_hash_entry *en, *src;
struct ospf_lsa_prefix *px;
ip_addr pxa;
int pxlen;
u8 pxopts;
u16 metric;
u32 *buf;
int i;
WALK_SLIST(en, po->lsal)
{
if (en->lsa.type != LSA_T_PREFIX)
continue;
if (en->domain != oa->areaid)
continue;
if (en->lsa.age == LSA_MAXAGE)
continue;
px = en->lsa_body;
/* FIXME: for router LSA, we should find the first one */
src = ospf_hash_find(po->gr, oa->areaid,
((px->ref_type == LSA_T_RT) ? px->ref_rt : px->ref_id),
px->ref_rt, px->ref_type);
if (!src)
continue;
if (src->lsa.age == LSA_MAXAGE)
continue;
if ((src->lsa.type != LSA_T_RT) && (src->lsa.type != LSA_T_NET))
continue;
buf = px->rest;
for (i = 0; i < px->pxcount; i++)
{
buf = get_ipv6_prefix(buf, &pxa, &pxlen, &pxopts, &metric);
if (pxopts & OPT_PX_NU)
continue;
add_network(oa, pxa, pxlen, src->dist + metric, src);
}
}
}
#endif
static void
ospf_rt_spfa(struct ospf_area *oa)
{
@ -188,7 +262,6 @@ ospf_rt_spfa(struct ospf_area *oa)
struct top_hash_entry *act, *tmp;
node *n;
if (oa->rt == NULL)
return;
@ -226,6 +299,7 @@ ospf_rt_spfa(struct ospf_area *oa)
rt = (struct ospf_lsa_rt *) act->lsa_body;
if (rt->options & OPT_RT_V)
oa->trcap = 1;
/* FIXME - in OSPFv3, should we add all routers, or just ABRs an ASBRs? */
if ((rt->options & OPT_RT_V) || (rt->options & OPT_RT_E))
{
@ -240,6 +314,7 @@ ospf_rt_spfa(struct ospf_area *oa)
nf.ifa = act->nhi;
ri_install(po, ipa_from_rid(act->lsa.rt), 32, ORT_ROUTER, &nf, NULL);
}
rr = (struct ospf_lsa_rt_link *) (rt + 1);
DBG(" Number of links: %u\n", rt->links);
for (i = 0; i < lsa_rt_count(&act->lsa); i++)
@ -253,7 +328,6 @@ ospf_rt_spfa(struct ospf_area *oa)
case LSART_STUB:
/*
* This violates rfc2328! But it is mostly harmless.
* But it causes that the cost of the stub is ignored.
*/
DBG("\n");
@ -293,9 +367,9 @@ ospf_rt_spfa(struct ospf_area *oa)
case LSART_NET:
#ifdef OSPFv2
/* In OSPFv2, rtl->id is IP addres of DR, router ID is not known */
tmp = ospfxx_hash_find(po->gr, oa->areaid, rtl->id, 0, LSA_T_NET);
tmp = ospf_hash_find(po->gr, oa->areaid, rtl->id, 0, LSA_T_NET);
#else /* OSPFv3 */
tmp = ospfxx_hash_find(po->gr, oa->areaid, rtl->nif, rtl->id, LSA_T_NET);
tmp = ospf_hash_find(po->gr, oa->areaid, rtl->nif, rtl->id, LSA_T_NET);
#endif
if (tmp == NULL)
DBG("Not found!\n");
@ -305,8 +379,9 @@ ospf_rt_spfa(struct ospf_area *oa)
case LSART_VLNK:
case LSART_PTP:
/* FIXME - in OSPFv3, find any LSA ID */
tmp = ospfxx_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_RT);
/* FIXME - in OSPFv3, find lowest LSA ID */
tmp = ospf_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_RT);
DBG("PTP found.\n");
break;
default:
@ -321,24 +396,18 @@ ospf_rt_spfa(struct ospf_area *oa)
break;
case LSA_T_NET:
ln = act->lsa_body;
nf.type = RTS_OSPF;
nf.options = 0;
nf.metric1 = act->dist;
nf.metric2 = LSINFINITY;
nf.tag = 0;
nf.oa = oa;
nf.ar = act;
nf.nh = act->nh;
nf.ifa = act->nhi;
ri_install(po, ipa_and(ipa_from_u32(act->lsa.id), ln->netmask),
ipa_mklen(ln->netmask), ORT_NET, &nf, NULL);
#ifdef OSPFv2
add_network(oa, ipa_and(ipa_from_u32(act->lsa.id), ln->netmask),
ipa_mklen(ln->netmask), act->dist, act);
#endif
rts = (u32 *) (ln + 1);
for (i = 0; i < lsa_net_count(&act->lsa); i++)
{
DBG(" Working on router %R ", rts[i]);
/* FIXME - in OSPFv3, find any LSA ID */
tmp = ospfxx_hash_find(po->gr, oa->areaid, rts[i], rts[i], LSA_T_RT);
tmp = ospf_hash_find(po->gr, oa->areaid, rts[i], rts[i], LSA_T_RT);
if (tmp != NULL)
DBG("Found :-)\n");
else
@ -349,13 +418,17 @@ ospf_rt_spfa(struct ospf_area *oa)
}
}
#ifdef OSPFv3
process_prefixes(oa);
#endif
/* Find new/lost VLINK peers */
WALK_LIST(iface, po->iface_list)
{
if ((iface->type == OSPF_IT_VLINK) && (iface->voa == oa))
{
/* FIXME in OSPFv3, different LSAID */
if ((tmp = ospfxx_hash_find(po->gr, oa->areaid, iface->vid, iface->vid, LSA_T_RT)) &&
if ((tmp = ospf_hash_find(po->gr, oa->areaid, iface->vid, iface->vid, LSA_T_RT)) &&
(!ipa_equal(tmp->lb, IPA_NONE)))
{
if ((iface->state != OSPF_IS_PTP) || (iface->iface != tmp->nhi->iface) || (!ipa_equal(iface->vip, tmp->lb)))
@ -379,6 +452,7 @@ ospf_rt_spfa(struct ospf_area *oa)
}
}
#if 0
static int
link_back(struct ospf_area *oa, struct top_hash_entry *fol, struct top_hash_entry *pre)
{
@ -403,7 +477,7 @@ link_back(struct ospf_area *oa, struct top_hash_entry *fol, struct top_hash_entr
case LSART_STUB:
break;
case LSART_NET:
if (ospfxx_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_NET) == pre)
if (ospf_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_NET) == pre)
{
fol->lb = ipa_from_u32(rtl->data);
return 1;
@ -411,7 +485,7 @@ link_back(struct ospf_area *oa, struct top_hash_entry *fol, struct top_hash_entr
break;
case LSART_VLNK:
case LSART_PTP:
if (ospfxx_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_RT) == pre)
if (ospf_hash_find(po->gr, oa->areaid, rtl->id, rtl->id, LSA_T_RT) == pre)
{
fol->lb = ipa_from_u32(rtl->data);
return 1;
@ -428,7 +502,7 @@ link_back(struct ospf_area *oa, struct top_hash_entry *fol, struct top_hash_entr
rts = (u32 *) (ln + 1);
for (i = 0; i < lsa_net_count(&fol->lsa); i++)
{
if (ospfxx_hash_find(po->gr, oa->areaid, *(rts + i), *(rts + i), LSA_T_RT) == pre)
if (ospf_hash_find(po->gr, oa->areaid, *(rts + i), *(rts + i), LSA_T_RT) == pre)
{
return 1;
}
@ -439,6 +513,7 @@ link_back(struct ospf_area *oa, struct top_hash_entry *fol, struct top_hash_entr
}
return 0;
}
#endif
static void
ospf_rt_sum_tr(struct ospf_area *oa)
@ -481,8 +556,10 @@ ospf_rt_sum_tr(struct ospf_area *oa)
ip = ipa_and(ipa_from_u32(en->lsa.id), ls->netmask);
#else /* OSPFv3 */
u8 pxopts;
u16 rest;
struct ospf_lsa_sum_net *ls = en->lsa_body;
get_ipv6_prefix(ls->prefix, &ip, &pxlen, &pxopts);
get_ipv6_prefix(ls->prefix, &ip, &pxlen, &pxopts, &rest);
if (pxopts & OPT_PX_NU)
continue;
#endif
@ -578,8 +655,10 @@ ospf_rt_sum(struct ospf_area *oa)
ip = ipa_and(ipa_from_u32(en->lsa.id), ls->netmask);
#else /* OSPFv3 */
u8 pxopts;
u16 rest;
struct ospf_lsa_sum_net *ls = en->lsa_body;
get_ipv6_prefix(ls->prefix, &ip, &pxlen, &pxopts);
get_ipv6_prefix(ls->prefix, &ip, &pxlen, &pxopts, &rest);
if (pxopts & OPT_PX_NU)
continue;
#endif
@ -779,8 +858,9 @@ ospf_ext_spf(struct proto_ospf *po)
rt_tag = le->tag;
#else /* OSPFv3 */
u8 pxopts;
u16 rest;
u32 *buf = le->rest;
buf = get_ipv6_prefix(buf, &ip, &pxlen, &pxopts);
buf = get_ipv6_prefix(buf, &ip, &pxlen, &pxopts, &rest);
if (pxopts & OPT_PX_NU)
continue;
@ -893,11 +973,21 @@ add_cand(list * l, struct top_hash_entry *en, struct top_hash_entry *par,
int added = 0;
struct top_hash_entry *act;
/* 16.1. (2b) */
if (en == NULL)
return;
if (en->lsa.age == LSA_MAXAGE)
return;
#ifdef OSPFv3
if (en->lsa.type == LSA_T_RT)
{
struct ospf_lsa_rt *rt = en->lsa_body;
if (!(rt->options & OPT_V6) || !(rt->options & OPT_R))
return;
}
#endif
/* 16.1. (2c) */
if (en->color == INSPF)
return;
@ -910,16 +1000,15 @@ add_cand(list * l, struct top_hash_entry *en, struct top_hash_entry *par,
* next hops. I'll start as soon as nest will
*/
/* FIXME - fix link_back()
if (!link_back(oa, en, par))
return;
*/
DBG(" Adding candidate: rt: %R, id: %R, type: %u\n",
en->lsa.rt, en->lsa.id, en->lsa.type);
en->nhi = NULL;
en->nh = IPA_NONE;
calc_next_hop(en, par, oa);
calc_next_hop(oa, en, par);
if (!en->nhi)
return; /* We cannot find next hop, ignore it */
@ -963,21 +1052,33 @@ add_cand(list * l, struct top_hash_entry *en, struct top_hash_entry *par,
}
}
static inline int
match_dr(struct ospf_iface *ifa, struct top_hash_entry *en)
{
#ifdef OSPFv2
return (ifa->drid == en->lsa.rt) && (ifa->drip == ipa_from_u32(en->lsa.id));
#else /* OSPFv3 */
return (ifa->drid == en->lsa.rt) && (ifa->dr_iface_id == en->lsa.id);
#endif
}
static void
calc_next_hop(struct top_hash_entry *en, struct top_hash_entry *par,
struct ospf_area *oa)
calc_next_hop(struct ospf_area *oa, struct top_hash_entry *en,
struct top_hash_entry *par)
{
struct ospf_neighbor *neigh;
struct proto *p = &oa->po->proto;
struct proto_ospf *po = oa->po;
struct ospf_iface *ifa;
u32 myrid = p->cf->global->router_id;
en->nhi = NULL;
en->nh = IPA_NONE;
/* 16.1.1. The next hop calculation */
DBG(" Next hop called.\n");
if (ipa_equal(par->nh, IPA_NONE))
{
neighbor *nn;
DBG(" Next hop calculating for id: %R rt: %R type: %u\n",
en->lsa.id, en->lsa.rt, en->lsa.type);
@ -985,37 +1086,22 @@ calc_next_hop(struct top_hash_entry *en, struct top_hash_entry *par,
if (par == oa->rt)
{
if (en->lsa.type == LSA_T_NET)
{
if (en->lsa.rt == myrid)
{
WALK_LIST(ifa, po->iface_list)
if (ifa->iface && (ipa_compare
(ifa->iface->addr->ip, ipa_from_u32(en->lsa.id)) == 0))
if (match_dr(ifa, en))
{
en->nhi = ifa;
return;
}
log(L_ERR "I didn't find interface for my self originated LSA!\n");
/* This could sometimes happen */
return;
}
else
{
ip_addr ip = ipa_from_u32(en->lsa.id);
nn = neigh_find(p, &ip, 0);
if (nn)
en->nhi = ospf_iface_find(po, nn->iface);
return;
}
}
else
{
if ((neigh = find_neigh_noifa(po, en->lsa.rt)) == NULL)
return;
en->nhi = neigh->ifa;
if (ipa_equal(en->nh, IPA_NONE))
en->nh = neigh->ip; /* Yes, neighbor is it's
* own next hop */
en->nh = neigh->ip;
/* Yes, neighbor is it's own next hop */
return;
}
}
@ -1028,11 +1114,12 @@ calc_next_hop(struct top_hash_entry *en, struct top_hash_entry *par,
bug("Parent for net is net?");
if ((en->nhi = par->nhi) == NULL)
bug("Did not find next hop interface for INSPF lsa!");
if ((neigh = find_neigh_noifa(po, en->lsa.rt)) == NULL)
return;
en->nhi = neigh->ifa;
en->nh = neigh->ip; /* Yes, neighbor is it's own
* next hop */
en->nh = neigh->ip;
/* Yes, neighbor is it's own next hop */
return;
}
else
@ -1043,8 +1130,8 @@ calc_next_hop(struct top_hash_entry *en, struct top_hash_entry *par,
return;
}
}
en->nh = par->nh;
en->nhi = par->nhi;
en->nh = par->nh;
DBG(" Next hop calculated: %I.\n", en->nh);
}
@ -1098,7 +1185,7 @@ again1:
if ((ifa->type == OSPF_IT_VLINK) && ipa_equal(ifa->vip, nf->n.nh))
{
/* FIXME in OSPFv3, may be different LSA ID */
if ((en = ospfxx_hash_find(po->gr, ifa->voa->areaid, ifa->vid, ifa->vid, LSA_T_RT))
if ((en = ospf_hash_find(po->gr, ifa->voa->areaid, ifa->vid, ifa->vid, LSA_T_RT))
&& (!ipa_equal(en->nh, IPA_NONE)))
{
a0.gw = en->nh;

224
proto/ospf/topology.c
View file

@ -20,6 +20,23 @@
#define HASH_LO_STEP 2
#define HASH_LO_MIN 8
void originate_prefix_rt_lsa(struct ospf_area *oa);
void originate_prefix_net_lsa(struct ospf_iface *ifa);
#ifdef OSPFv2
#define ipa_to_rid(x) _I(x)
#else /* OSPFv3 */
#define ipa_to_rid(x) _I3(x)
#endif
/* FIXME very ugly hack */
#ifdef OSPFv2
#define ipa_to_lsaid(x) _I(x)
#else /* OSPFv3 */
#define ipa_to_lsaid(x) _I0(x) ^ _I1(x) ^ _I2(x) ^ _I3(x)
#endif
static void *
lsab_alloc(struct proto_ospf *po, unsigned size)
{
@ -300,7 +317,7 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length)
{
struct proto_ospf *po = oa->po;
struct ospf_iface *ifa;
int i = 0, j = 0, k = 0, bitv = 0;
int bitv = 0;
struct ospf_lsa_rt *rt;
struct ospf_neighbor *neigh;
@ -390,18 +407,9 @@ originate_rt_lsa(struct ospf_area *oa)
struct ospf_lsa_header lsa;
struct proto_ospf *po = oa->po;
struct proto *p = &po->proto;
u32 rtid = po->proto.cf->global->router_id;
struct top_hash_entry *en;
u32 rid = po->proto.cf->global->router_id;
void *body;
if ((oa->rt) && ((oa->rt->inst_t + MINLSINTERVAL)) > now)
return;
/*
* Tick is probably set to very low value. We cannot
* originate new LSA before MINLSINTERVAL. We will
* try to do it next tick.
*/
OSPF_TRACE(D_EVENTS, "Originating RT_lsa for area %R.", oa->areaid);
lsa.age = 0;
@ -411,16 +419,33 @@ originate_rt_lsa(struct ospf_area *oa)
lsa.options = oa->options;
#endif
lsa.id = rtid;
lsa.rt = rtid;
lsa.id = rid;
lsa.rt = rid;
lsa.sn = oa->rt ? (oa->rt->lsa.sn + 1) : LSA_INITSEQNO;
u32 dom = oa->areaid;
body = originate_rt_lsa_body(oa, &lsa.length);
lsasum_calculate(&lsa, body);
en = lsa_install_new(po, &lsa, dom, body);
oa->rt = en;
ospf_lsupd_flood(po, NULL, NULL, &oa->rt->lsa, dom, 1);
oa->rt = lsa_install_new(po, &lsa, dom, body);
ospf_lsupd_flood(po, NULL, NULL, &lsa, dom, 1);
}
void
update_rt_lsa(struct ospf_area *oa)
{
struct proto_ospf *po = oa->po;
if ((oa->rt) && ((oa->rt->inst_t + MINLSINTERVAL)) > now)
return;
/*
* Tick is probably set to very low value. We cannot
* originate new LSA before MINLSINTERVAL. We will
* try to do it next tick.
*/
originate_rt_lsa(oa);
originate_prefix_rt_lsa(oa);
schedule_rtcalc(po);
oa->origrt = 0;
}
@ -454,7 +479,7 @@ originate_net_lsa_body(struct ospf_iface *ifa, u16 *length,
if (n->state == NEIGHBOR_FULL)
{
#ifdef OSPFv3
en = ospfxx_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK);
en = ospf_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK);
if (en)
options |= ((struct ospf_lsa_link *) en->lsa_body)->options;
#endif
@ -474,6 +499,7 @@ originate_net_lsa_body(struct ospf_iface *ifa, u16 *length,
return net;
}
/**
* originate_net_lsa - originates of deletes network LSA
* @ifa: interface which is LSA originated for
@ -488,39 +514,11 @@ originate_net_lsa(struct ospf_iface *ifa)
{
struct proto_ospf *po = ifa->oa->po;
struct ospf_lsa_header lsa;
u32 rtid = po->proto.cf->global->router_id;
u32 rid = po->proto.cf->global->router_id;
u32 dom = ifa->oa->areaid;
struct proto *p = &po->proto;
void *body;
if (ifa->net_lsa && ((ifa->net_lsa->inst_t + MINLSINTERVAL) > now))
return;
/*
* It's too early to originate new network LSA. We will
* try to do it next tick
*/
if ((ifa->state != OSPF_IS_DR) || (ifa->fadj == 0))
{
if (ifa->net_lsa == NULL)
return;
OSPF_TRACE(D_EVENTS, "Deleting Net lsa for iface \"%s\".",
ifa->iface->name);
ifa->net_lsa->lsa.sn += 1;
ifa->net_lsa->lsa.age = LSA_MAXAGE;
lsasum_calculate(&ifa->net_lsa->lsa, ifa->net_lsa->lsa_body);
ospf_lsupd_flood(po, NULL, NULL, &ifa->net_lsa->lsa, dom, 0);
s_rem_node(SNODE ifa->net_lsa);
if (ifa->net_lsa->lsa_body != NULL)
mb_free(ifa->net_lsa->lsa_body);
ifa->net_lsa->lsa_body = NULL;
ospf_hash_delete(po->gr, ifa->net_lsa);
schedule_rtcalc(po);
ifa->net_lsa = NULL;
return;
}
OSPF_TRACE(D_EVENTS, "Originating Net lsa for iface \"%s\".",
ifa->iface->name);
@ -534,16 +532,63 @@ originate_net_lsa(struct ospf_iface *ifa)
lsa.id = ifa->iface->index;
#endif
lsa.rt = rtid;
lsa.rt = rid;
lsa.sn = ifa->net_lsa ? (ifa->net_lsa->lsa.sn + 1) : LSA_INITSEQNO;
body = originate_net_lsa_body(ifa, &lsa.length, po);
lsasum_calculate(&lsa, body);
ifa->net_lsa = lsa_install_new(po, &lsa, dom, body);
ospf_lsupd_flood(po, NULL, NULL, &lsa, dom, 1);
ifa->orignet = 0;
}
void
flush_net_lsa(struct ospf_iface *ifa)
{
struct proto_ospf *po = ifa->oa->po;
struct proto *p = &po->proto;
u32 dom = ifa->oa->areaid;
if (ifa->net_lsa == NULL)
return;
OSPF_TRACE(D_EVENTS, "Deleting Net lsa for iface \"%s\".",
ifa->iface->name);
ifa->net_lsa->lsa.sn += 1;
ifa->net_lsa->lsa.age = LSA_MAXAGE;
lsasum_calculate(&ifa->net_lsa->lsa, ifa->net_lsa->lsa_body);
ospf_lsupd_flood(po, NULL, NULL, &ifa->net_lsa->lsa, dom, 0);
flush_lsa(ifa->net_lsa, po);
ifa->net_lsa = NULL;
}
void
update_net_lsa(struct ospf_iface *ifa)
{
struct proto_ospf *po = ifa->oa->po;
if (ifa->net_lsa && ((ifa->net_lsa->inst_t + MINLSINTERVAL) > now))
return;
/*
* It's too early to originate new network LSA. We will
* try to do it next tick
*/
if ((ifa->state != OSPF_IS_DR) || (ifa->fadj == 0))
{
flush_net_lsa(ifa);
flush_prefix_net_lsa(ifa);
}
else
{
originate_net_lsa(ifa);
originate_prefix_net_lsa(ifa);
}
schedule_rtcalc(po);
ifa->orignet = 0;
}
#ifdef OSPFv2
@ -630,7 +675,7 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
u32 dom = oa->areaid;
/* FIXME check for the same LSA */
if ((en = ospfxx_hash_find_header(po->gr, oa->areaid, &lsa)) != NULL)
if ((en = ospf_hash_find_header(po->gr, oa->areaid, &lsa)) != NULL)
lsa.sn = en->lsa.sn + 1;
if (type == ORT_NET)
@ -677,7 +722,7 @@ flush_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type)
lsa.type = LSA_T_SUM_RT;
}
if ((en = ospfxx_hash_find_header(po->gr, oa->areaid, &lsa)) != NULL)
if ((en = ospf_hash_find_header(po->gr, oa->areaid, &lsa)) != NULL)
{
struct ospf_lsa_sum *sum = en->lsa_body;
en->lsa.age = LSA_MAXAGE;
@ -733,10 +778,12 @@ check_sum_lsa(struct proto_ospf *po, ort *nf, int dest)
mlen = nf->fn.pxlen;
ip = ipa_and(nf->fn.prefix, ipa_mkmask(mlen));
if ((oa == po->backbone) && (nf->n.type == RTS_OSPF_IA)) flush = 1; /* Only intra-area can go to the backbone */
if ((oa == po->backbone) && (nf->n.type == RTS_OSPF_IA))
flush = 1; /* Only intra-area can go to the backbone */
if ((!flush) && (dest == ORT_NET) && fib_route(&nf->n.oa->net_fib, ip, mlen)) /* The route fits into area networks */
if ((!flush) && (dest == ORT_NET) && fib_route(&nf->n.oa->net_fib, ip, mlen))
{
/* The route fits into area networks */
flush = 1;
if ((nf->n.oa == po->backbone) && (oa->trcap)) flush = 0;
}
@ -833,8 +880,6 @@ originate_ext_lsa(net * n, rte * e, struct proto_ospf *po,
void *body;
struct proto *p = &po->proto;
struct ospf_area *oa;
struct ospf_lsa_ext *ext1, *ext2;
int i, max;
OSPF_TRACE(D_EVENTS, "Originating Ext lsa for %I/%d.", n->n.prefix,
n->n.pxlen);
@ -850,7 +895,7 @@ originate_ext_lsa(net * n, rte * e, struct proto_ospf *po,
/* FIXME proper handling of LSA IDs and check for the same network */
lsa.id = ipa_to_lsaid(n->n.prefix);
if ((en = ospfxx_hash_find_header(po->gr, 0, &lsa)) != NULL)
if ((en = ospf_hash_find_header(po->gr, 0, &lsa)) != NULL)
{
lsa.sn = en->lsa.sn + 1;
}
@ -877,13 +922,11 @@ flush_ext_lsa(net *n, struct proto_ospf *po)
u32 rid = po->proto.cf->global->router_id;
struct ospf_area *oa;
struct top_hash_entry *en;
struct ospf_lsa_ext *ext;
int i;
/* FIXME proper handling of LSA IDs and check for the same network */
u32 lsaid = ipa_to_lsaid(n->n.prefix);
if (en = ospfxx_hash_find(po->gr, 0, lsaid, rid, LSA_T_EXT))
if (en = ospf_hash_find(po->gr, 0, lsaid, rid, LSA_T_EXT))
{
/* FIXME this is nonsense */
WALK_LIST(oa, po->area_list)
@ -907,7 +950,7 @@ originate_link_lsa_body(struct ospf_iface *ifa, u16 *length)
ASSERT(po->lsab_used == 0);
ll = lsab_allocz(po, sizeof(struct ospf_lsa_link));
ll->options = ifa->oa->options | (ifa->priority << 24);
ll->lladdr = FIX;
ll->lladdr = ifa->lladdr;
ll = NULL; /* buffer might be reallocated later */
struct ifa *a;
@ -935,23 +978,16 @@ originate_link_lsa(struct ospf_iface *ifa)
struct ospf_lsa_header lsa;
struct proto_ospf *po = ifa->oa->po;
struct proto *p = &po->proto;
u32 rtid = po->proto.cf->global->router_id;
u32 rid = po->proto.cf->global->router_id;
void *body;
if (ifa->link_lsa && ((ifa->link_lsa->inst_t + MINLSINTERVAL) > now))
return;
/*
* It's too early to originate new link LSA. We will
* try to do it next tick
*/
/* FIXME check for vlink and skip that? */
OSPF_TRACE(D_EVENTS, "Originating Link_lsa for iface %s.", ifa->iface->name);
lsa.age = 0;
lsa.type = LSA_T_LINK;
lsa.id = ifa->iface->index;
lsa.rt = rtid;
lsa.rt = rid;
lsa.sn = ifa->link_lsa ? (ifa->link_lsa->lsa.sn + 1) : LSA_INITSEQNO;
u32 dom = ifa->iface->index;
@ -959,9 +995,20 @@ originate_link_lsa(struct ospf_iface *ifa)
lsasum_calculate(&lsa, body);
ifa->link_lsa = lsa_install_new(po, &lsa, dom, body);
ospf_lsupd_flood(po, NULL, NULL, &lsa, dom, 1);
ifa->origlink = 0;
}
void
update_link_lsa(struct ospf_iface *ifa)
{
if (ifa->link_lsa && ((ifa->link_lsa->inst_t + MINLSINTERVAL) > now))
return;
/*
* It's too early to originate new link LSA. We will
* try to do it next tick
*/
originate_link_lsa(ifa);
ifa->origlink = 0;
}
static void *
originate_prefix_rt_lsa_body(struct ospf_area *oa, u16 *length)
@ -1129,7 +1176,7 @@ originate_prefix_net_lsa_body(struct ospf_iface *ifa, u16 *length)
/* Find all Link LSA associated with the link and merge their prefixes */
WALK_LIST(n, ifa->neigh_list)
if ((n->state == NEIGHBOR_FULL) &&
(en = ospfxx_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK)))
(en = ospf_hash_find(po->gr, ifa->iface->index, n->iface_id, n->rid, LSA_T_LINK)))
{
ll = en->lsa_body;
pxb = ll->rest;
@ -1170,6 +1217,7 @@ originate_prefix_net_lsa(struct ospf_iface *ifa)
#endif
static void
ospf_top_ht_alloc(struct top_graph *f)
{
@ -1263,7 +1311,7 @@ ospf_top_rehash(struct top_graph *f, int step)
oldn = f->hash_size;
oldt = f->hash_table;
dbg("re-hashing topology hash from order %d to %d\n", f->hash_order,
DBG("re-hashing topology hash from order %d to %d\n", f->hash_order,
f->hash_order + step);
f->hash_order += step;
ospf_top_ht_alloc(f);
@ -1284,20 +1332,37 @@ ospf_top_rehash(struct top_graph *f, int step)
ospf_top_ht_free(oldt);
}
struct top_hash_entry *
ospfxx_hash_find_header(struct top_graph *f, u32 domain, struct ospf_lsa_header *h)
u32
ospf_lsa_domain(u32 type, struct ospf_iface *ifa)
{
return ospfxx_hash_find(f, domain, h->id, h->rt, h->type);
switch (type & LSA_SCOPE_MASK)
{
case LSA_SCOPE_LINK:
return ifa->iface->index;
case LSA_SCOPE_AREA:
return ifa->oa->areaid;
case LSA_SCOPE_AS:
default:
return 0;
}
}
struct top_hash_entry *
ospfxx_hash_get_header(struct top_graph *f, u32 domain, struct ospf_lsa_header *h)
ospf_hash_find_header(struct top_graph *f, u32 domain, struct ospf_lsa_header *h)
{
return ospfxx_hash_get(f, domain, h->id, h->rt, h->type);
return ospf_hash_find(f, domain, h->id, h->rt, h->type);
}
struct top_hash_entry *
ospfxx_hash_find(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
ospf_hash_get_header(struct top_graph *f, u32 domain, struct ospf_lsa_header *h)
{
return ospf_hash_get(f, domain, h->id, h->rt, h->type);
}
struct top_hash_entry *
ospf_hash_find(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
{
struct top_hash_entry *e;
@ -1322,7 +1387,7 @@ ospfxx_hash_find(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
}
struct top_hash_entry *
ospfxx_hash_get(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
ospf_hash_get(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
{
struct top_hash_entry **ee;
struct top_hash_entry *e;
@ -1379,6 +1444,7 @@ ospf_hash_delete(struct top_graph *f, struct top_hash_entry *e)
static void
ospf_dump_lsa(struct top_hash_entry *he, struct proto *p)
{
/*
struct ospf_lsa_rt *rt = NULL;
struct ospf_lsa_rt_link *rr = NULL;
struct ospf_lsa_net *ln = NULL;
@ -1389,7 +1455,7 @@ ospf_dump_lsa(struct top_hash_entry *he, struct proto *p)
he->lsa.type, he->lsa.id, he->lsa.rt, he->lsa.age, he->lsa.sn,
he->lsa.checksum, he->domain);
/*
switch (he->lsa.type)
{
case LSA_T_RT:

18
proto/ospf/topology.h
View file

@ -47,27 +47,27 @@ struct top_graph
struct top_graph *ospf_top_new(pool *);
void ospf_top_free(struct top_graph *);
void ospf_top_dump(struct top_graph *, struct proto *);
struct top_hash_entry *ospfxx_hash_find_header(struct top_graph *f, u32 areaid,
u32 ospf_lsa_domain(u32 type, struct ospf_iface *ifa);
struct top_hash_entry *ospf_hash_find_header(struct top_graph *f, u32 domain,
struct ospf_lsa_header *h);
struct top_hash_entry *ospfxx_hash_get_header(struct top_graph *f, u32 domain,
struct top_hash_entry *ospf_hash_get_header(struct top_graph *f, u32 domain,
struct ospf_lsa_header *h);
struct top_hash_entry *ospfxx_hash_find_smart(struct top_graph *f, struct ospf_iface *ifa,
struct ospf_lsa_header *h);
struct top_hash_entry *ospfxx_hash_get_smart(struct top_graph *f, struct ospf_iface *ifa,
struct ospf_lsa_header *h);
struct top_hash_entry *ospfxx_hash_find(struct top_graph *, u32 domain, u32 lsa, u32 rtr,
struct top_hash_entry *ospf_hash_find(struct top_graph *, u32 domain, u32 lsa, u32 rtr,
u32 type);
struct top_hash_entry *ospfxx_hash_get(struct top_graph *, u32 domain, u32 lsa, u32 rtr,
struct top_hash_entry *ospf_hash_get(struct top_graph *, u32 domain, u32 lsa, u32 rtr,
u32 type);
void ospf_hash_delete(struct top_graph *, struct top_hash_entry *);
void originate_rt_lsa(struct ospf_area *oa);
void update_rt_lsa(struct ospf_area *oa);
void originate_net_lsa(struct ospf_iface *ifa);
void update_net_lsa(struct ospf_iface *ifa);
void update_link_lsa(struct ospf_iface *ifa);
int can_flush_lsa(struct proto_ospf *po);
int max_ext_lsa(unsigned pxlen);
void originate_ext_lsa(net * n, rte * e, struct proto_ospf *po,
struct ea_list *attrs);
void flush_ext_lsa(net *n, struct proto_ospf *po);
void check_sum_lsa(struct proto_ospf *po, ort *nf, int);
void originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metric, u32 options);
void flush_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type);

2
sysdep/linux/netlink/netlink.c
View file

@ -390,7 +390,6 @@ nl_parse_addr(struct nlmsghdr *h)
else
{
ip_addr netmask = ipa_mkmask(ifa.pxlen);
ip_addr xbrd;
ifa.prefix = ipa_and(ifa.ip, netmask);
ifa.brd = ipa_or(ifa.ip, ipa_not(netmask));
#ifndef IPV6
@ -398,6 +397,7 @@ nl_parse_addr(struct nlmsghdr *h)
ifa.opposite = ipa_opposite(ifa.ip, i->ifa_prefixlen);
if ((ifi->flags & IF_BROADCAST) && a[IFA_BROADCAST])
{
ip_addr xbrd;
memcpy(&xbrd, RTA_DATA(a[IFA_BROADCAST]), sizeof(xbrd));
ipa_ntoh(xbrd);
if (ipa_equal(xbrd, ifa.prefix) || ipa_equal(xbrd, ifa.brd))