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-rw-r--r--proto/ospf/ospf.c81
-rw-r--r--proto/ospf/ospf.h14
2 files changed, 68 insertions, 27 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 47e2b78..21b4e32 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -366,10 +366,7 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
die("%s: Iface %s in down state?", p->name, ifa->iface->name);
break;
case OSPF_IS_WAITING:
- DBG(p->name);
- DBG(": Neighbor? on iface ");
- DBG(ifa->iface->name);
- DBG("\n");
+ DBG("%s: Neighbor? on iface %s\n",p->name, ifa->iface->name);
break;
case OSPF_IS_DROTHER:
if(((n->rid==ifa->drid) || (n->rid==ifa->bdrid))
@@ -400,10 +397,7 @@ ospf_rx_hook(sock *sk, int size)
ifa=(struct ospf_iface *)(sk->data);
p=(struct proto *)(ifa->proto);
- DBG(p->name);
- DBG(": RX_Hook called on interface ");
- DBG(sk->iface->name);
- DBG(".\n");
+ DBG("%s: RX_Hook called on interface %s.\n",p->name, sk->iface->name);
ps = (struct ospf_packet *) ipv4_skip_header(sk->rbuf, &size);
if(ps==NULL)
@@ -465,28 +459,30 @@ ospf_rx_hook(sock *sk, int size)
return(1);
}
-
/* Dump packet */
pu8=(u8 *)(sk->rbuf+5*4);
for(i=0;i<ntohs(ps->length);i+=4)
- debug("%s: received %u,%u,%u,%u\n",p->name, pu8[i+0], pu8[i+1], pu8[i+2],
+ DBG("%s: received %u,%u,%u,%u\n",p->name, pu8[i+0], pu8[i+1], pu8[i+2],
pu8[i+3]);
debug("%s: received size: %u\n",p->name,size);
switch(ps->type)
{
case HELLO:
- DBG(p->name);
- DBG(": Hello received.\n");
+ DBG("%s: Hello received.\n", p->name);
ospf_hello_rx((struct ospf_hello_packet *)ps, p, ifa, size);
break;
case DBDES:
+ DBG("%s: Database description received.\n", p->name);
break;
case LSREQ:
+ DBG("%s: Link state request received.\n", p->name);
break;
case LSUPD:
+ DBG("%s: Link state update received.\n", p->name);
break;
case LSACK:
+ DBG("%s: Link state ack received.\n", p->name);
break;
default:
log("%s: Bad packet received: wrong type %u", p->name, ps->type);
@@ -524,11 +520,14 @@ ospf_err_hook(sock *sk, int err)
DBG("%s: Err_Hook called on interface %s\n", p->name,sk->iface->name);
}
-/* This will change ! */
sock *
-ospf_open_socket(struct proto *p, struct ospf_iface *ifa)
+ospf_open_mc_socket(struct ospf_iface *ifa)
{
sock *mcsk;
+ struct proto *p;
+
+ p=(struct proto *)(ifa->proto);
+
/* FIXME: No NBMA networks now */
@@ -550,17 +549,45 @@ ospf_open_socket(struct proto *p, struct ospf_iface *ifa)
mcsk->data=(void *)ifa;
if(sk_open(mcsk)!=0)
{
- DBG(p->name);
- DBG(": SK_OPEN: failed\n");
+ DBG("%s: SK_OPEN: mc open failed.\n",p->name);
return(NULL);
}
- DBG(p->name);
- DBG(": SK_OPEN: open\n");
+ DBG("%s: SK_OPEN: mc opened.\n",p->name);
return(mcsk);
}
else return(NULL);
}
+sock *
+ospf_open_ip_socket(struct ospf_iface *ifa)
+{
+ sock *ipsk;
+ struct proto *p;
+
+ p=(struct proto *)(ifa->proto);
+
+ ipsk=sk_new(p->pool);
+ ipsk->type=SK_IP;
+ ipsk->dport=OSPF_PROTO;
+ ipsk->saddr=ifa->iface->addr->ip;
+ ipsk->tos=IP_PREC_INTERNET_CONTROL;
+ ipsk->ttl=1;
+ ipsk->rx_hook=ospf_rx_hook;
+ ipsk->tx_hook=ospf_tx_hook;
+ ipsk->err_hook=ospf_err_hook;
+ ipsk->iface=ifa->iface;
+ ipsk->rbsize=ifa->iface->mtu;
+ ipsk->tbsize=ifa->iface->mtu;
+ ipsk->data=(void *)ifa;
+ if(sk_open(ipsk)!=0)
+ {
+ DBG("%s: SK_OPEN: ip open failed.\n",p->name);
+ return(NULL);
+ }
+ DBG("%s: SK_OPEN: ip opened.\n",p->name);
+ return(ipsk);
+}
+
/*
* This will later decide, wheter use iface for OSPF or not
* depending on config
@@ -775,19 +802,24 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
ospf_iface_default(ifa);
if(ifa->type!=OSPF_IT_NBMA)
{
- if((mcsk=ospf_open_socket(p, ifa))!=NULL)
+ if((ifa->hello_sk=ospf_open_mc_socket(ifa))==NULL)
{
- ifa->hello_sk=mcsk;
+ log("%s: Huh? could not open mc socket on interface %s?", p->name,
+ iface->name);
+ mb_free(ifa);
+ log("%s: Ignoring this interface\n", p->name);
+ return;
}
- else
+
+ if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL)
{
- log("%s: Huh? could not open socket on interface %s?", p->name,
+ log("%s: Huh? could not open ip socket on interface %s?", p->name,
iface->name);
mb_free(ifa);
log("%s: Ignoring this interface\n", p->name);
return;
}
- /* FIXME: In fail case??? */
+
init_list(&(ifa->neigh_list));
}
/* FIXME: NBMA? */
@@ -820,8 +852,7 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
static int
ospf_start(struct proto *p)
{
- DBG(p->name);
- DBG(": Start\n");
+ DBG("%s: Start\n",p->name);
p->if_notify=ospf_if_notify;
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index dde436c..7ba566f 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 */
- sock *hello_sk; /* List of active sockets */
+ sock *hello_sk; /* Hello socket */
+ sock *ip_sk; /* IP socket (for DD ...) */
list neigh_list; /* List of neigbours */
u32 area; /* OSPF Area */
u16 cost; /* Cost of iface */
@@ -71,7 +72,9 @@ struct ospf_iface {
#define PRIORITY_D 1
#define HELLOINT_D 10
#define DEADC_D 4
-#define WAIT_DMH 2 /* Value of Wait timer - not found it in RFC - using 2*HELLO */
+#define WAIT_DMH 2 /* Value of Wait timer - not found it in RFC
+ * - using 2*HELLO
+ */
};
struct ospf_patt {
@@ -108,6 +111,13 @@ struct ospf_hello_packet {
u32 bdr;
};
+struct ospf_ddseq_packet {
+ struct ospf_packet ospf_packet;
+ u16 iface_mtu;
+ u16 options;
+ u32 ddseq_no;
+};
+
struct ospf_neighbor
{
node n;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 22:52:03 +0100