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-rw-r--r--proto/ospf/ospf.c90
-rw-r--r--proto/ospf/ospf.h8
2 files changed, 82 insertions, 16 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 914adce..5fdbc22 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -196,7 +196,7 @@ ospf_open_socket(struct proto *p, struct ospf_iface *ifa)
{
sock *mcsk;
- /* No NBMA networks now */
+ /* FIXME: No NBMA networks now */
if(ifa->iface->flags & IF_MULTICAST)
{
@@ -262,15 +262,82 @@ ospf_iface_clasify(struct iface *ifa)
}
void
+fill_ospf_pkt_hdr(struct ospf_iface *ifa, void *buf, u8 h_type)
+{
+ struct ospf_packet *pkt;
+ struct proto *p;
+
+ p=(struct proto *)(ifa->proto);
+
+ pkt=(struct ospf_packet *)buf;
+
+ pkt->version=OSPF_VERSION;
+
+ pkt->type=h_type;
+
+ pkt->routerid=htonl(p->cf->global->router_id);
+ pkt->areaid=htonl(ifa->area);
+ pkt->autype=htons(ifa->autype);
+}
+
+void
hello_timer_hook(timer *timer)
{
struct ospf_iface *ifa;
+ struct ospf_hello_packet *pkt;
+ struct ospf_packet *op;
struct proto *p;
+ struct ospf_neighbor *neigh;
+ u16 length;
+ u32 *pp;
+ int i;
ifa=(struct ospf_iface *)timer->data;
p=(struct proto *)(ifa->proto);
debug("%s: Hello timer fired on interface %s.\n",
p->name, ifa->iface->name);
+ /* Now we should send a hello packet */
+ /* First a common packet header */
+ //if(ifa->type!=OSPF_IT_NBMA)
+ if(ifa->hello_sk!=NULL)
+ {
+ /* Now fill ospf_hello header */
+ pkt=(struct ospf_hello_packet *)(ifa->hello_sk->tbuf);
+ op=(struct ospf_packet *)pkt;
+
+ fill_ospf_pkt_hdr(ifa, pkt, HELLO);
+
+ pkt->netmask=ipa_mkmask(ifa->iface->addr->pxlen);
+ ipa_hton(pkt->netmask);
+ pkt->hello_int=ntohs(ifa->helloint);
+ pkt->options=ifa->options;
+ pkt->priority=ifa->priority;
+ pkt->deadint=htonl(ifa->deadint*ifa->helloint);
+ pkt->dr=ifa->drid;
+ pkt->bdr=ifa->bdrid;
+
+ /* Fill all neighbors */
+ i=0;
+ pp=(u32 *)(((byte *)pkt)+sizeof(struct ospf_hello_packet));
+ WALK_LIST (neigh, ifa->neigh_list)
+ {
+ *(pp+i)=neigh->rid;
+ i++;
+ }
+
+ length=sizeof(struct ospf_hello_packet)+i*sizeof(u32);
+
+ op->length=ntohs(length);
+
+ /* Do authentification */
+
+ op->checksum=ipsum_calculate(op,sizeof(struct ospf_packet)-8,
+ &(pkt->netmask),length-sizeof(struct ospf_packet),NULL);
+
+ sk_send(ifa->hello_sk,length);
+
+ /* XXXX */
+ }
}
void
@@ -325,7 +392,7 @@ ospf_add_timers(struct ospf_iface *ifa, pool *pool, int wait)
ifa->hello_timer->hook=hello_timer_hook;
ifa->hello_timer->recurrent=ifa->helloint;
ifa->hello_timer->expires=0;
- tm_start(ifa->hello_timer,0);
+ tm_start(ifa->hello_timer,ifa->helloint);
DBG("%s: Installing hello timer.\n", p->name);
if((ifa->type!=OSPF_IT_PTP))
{
@@ -359,7 +426,7 @@ ospf_iface_default(struct ospf_iface *ifa)
ifa->deadint=DEADINT_D;
ifa->autype=0;
for(i=0;i<8;i++) ifa->aukey[i]=0;
- ifa->options=0;
+ ifa->options=2;
ifa->drip=ipa_from_u32(0x00000000);
ifa->drid=0;
ifa->bdrip=ipa_from_u32(0x00000000);
@@ -382,8 +449,7 @@ void
ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
{
struct ospf_iface *ifa;
- sock *mcsk, *newsk;
- struct ospf_sock *osk;
+ sock *mcsk;
struct ospf_config *c;
c=(struct ospf_config *)(p->cf);
@@ -403,13 +469,17 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
ospf_iface_default(ifa);
/* FIXME: This should read config */
ospf_add_timers(ifa,p->pool,0);
- init_list(&(ifa->sk_list));
- if((mcsk=ospf_open_socket(p, ifa))!=NULL)
+ if(ifa->type!=OSPF_IT_NBMA)
{
- osk=(struct ospf_sock *)mb_alloc(p->pool, sizeof(struct ospf_sock));
- osk->sk=mcsk;
- add_tail(&(ifa->sk_list),NODE osk);
+ if((mcsk=ospf_open_socket(p, ifa))!=NULL)
+ {
+ ifa->hello_sk=mcsk;
+ }
+ else log("Huh? could not open socket?");
+ /* FIXME: In fail case??? */
+ init_list(&(ifa->neigh_list));
}
+ /* FIXME: NBMA? */
}
if(flags & IF_CHANGE_DOWN)
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index b827294..a0fdf81 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -33,7 +33,8 @@ struct ospf_iface {
node n;
struct proto_ospf *proto;
struct iface *iface; /* Nest's iface */
- list sk_list; /* List of active sockets */
+ sock *hello_sk; /* List of active sockets */
+ list neigh_list; /* List of neigbours */
u32 area; /* OSPF Area */
u16 cost; /* Cost of iface */
int rxmtint; /* number of seconds between LSA retransmissions */
@@ -73,11 +74,6 @@ struct ospf_iface {
#define WAIT_DMH 2 /* Value of Wait timer - not found it in RFC - using 2*HELLO */
};
-struct ospf_sock {
- node n;
- sock *sk;
-};
-
struct ospf_patt {
struct iface_patt i;