Minor bug fix in neighbor state machine.

4 files changed, 24 insertions, 11 deletions

diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index 03e010e..1f9dd55 100644
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -39,6 +39,7 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
   switch(n->state)
   {
     case NEIGHBOR_EXSTART:		/* Send empty packets */
+      n->myimms.bit.i=1;
       pkt=(struct ospf_dbdes_packet *)(ifa->ip_sk->tbuf);
       op=(struct ospf_packet *)pkt;
       fill_ospf_pkt_hdr(ifa, pkt, DBDES_P);
@@ -55,6 +56,8 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
       break;
 
     case NEIGHBOR_EXCHANGE:
+      n->myimms.bit.i=0;
+
       if(((n->myimms.bit.ms) && (n->dds==n->ddr+1)) ||
          ((!(n->myimms.bit.ms)) && (n->dds==n->ddr)))
       {
@@ -139,6 +142,7 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
 	{
           ospf_neigh_sm(n, INM_EXDONE);
 	  if(n->myimms.bit.ms) tm_stop(n->rxmt_timer);
+	  else tm_start(n->rxmt_timer,ifa->rxmtint);
 	}
       }
       break;
@@ -277,7 +281,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
             break;
           }
         }
-
+        if(ps->imms.bit.i) break;
     case NEIGHBOR_EXCHANGE:
 	if((ps->imms.byte==n->imms.byte) && (ps->options==n->options) &&
 	  (ntohl(ps->ddseq)==n->ddr))
@@ -295,14 +299,14 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
 
 	if(ps->imms.bit.ms!=n->imms.bit.ms) /* M/S bit differs */
         {
-          DBG("SEQMIS-BIT-MS\n");
+          log("SEQMIS-BIT-MS\n");
           ospf_neigh_sm(n, INM_SEQMIS);
 	  break;
         }
 
 	if(ps->imms.bit.i)	/* I bit is set */
         {
-          DBG("SEQMIS-BIT-I\n");
+          log("SEQMIS-BIT-I\n");
           ospf_neigh_sm(n, INM_SEQMIS);
 	  break;
         }
@@ -311,7 +315,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
 
 	if(ps->options!=n->options)	/* Options differs */
         {
-          DBG("SEQMIS-OPT\n");
+          log("SEQMIS-OPT\n");
           ospf_neigh_sm(n, INM_SEQMIS);
 	  break;
         }
@@ -320,7 +324,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
         {
           if(ntohl(ps->ddseq)!=n->dds)		/* MASTER */
 	  {
-            DBG("SEQMIS-MASTER\n");
+            log("SEQMIS-MASTER\n");
 	    ospf_neigh_sm(n, INM_SEQMIS);
 	    break;
 	  }
@@ -341,7 +345,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
         {
           if(ntohl(ps->ddseq)!=(n->dds+1))	/* SLAVE */
 	  {
-            DBG("SEQMIS-SLAVE\n");
+            log("SEQMIS-SLAVE\n");
 	    ospf_neigh_sm(n, INM_SEQMIS);
 	    break;
 	  }
@@ -362,7 +366,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
         }
 	else
         {
-	  DBG("SEQMIS-FULL\n");
+	  log("SEQMIS-FULL\n");
 	  ospf_neigh_sm(n, INM_SEQMIS);
         }
       break;
diff --git a/proto/ospf/hello.c b/proto/ospf/hello.c
index a80dfa2..5627d7e 100644
--- a/proto/ospf/hello.c
+++ b/proto/ospf/hello.c
@@ -7,6 +7,8 @@
  */
 
 #include "ospf.h"
+#include <sys/socket.h>
+#include "lib/sysio.h"
 
 void
 install_inactim(struct ospf_neighbor *n)
@@ -59,8 +61,7 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
 {
   u32 nrid, *pnrid;
   struct ospf_neighbor *neigh,*n;
-  u8 twoway,oldpriority;
-  u32 i;
+  u8 i,twoway,oldpriority;
   ip_addr olddr,oldbdr;
   ip_addr mask;
   char *beg=": Bad OSPF hello packet from ", *rec=" received: ";
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 2cbff6c..83f6ac3 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -47,8 +47,9 @@ iface_chstate(struct ospf_iface *ifa, u8 state)
           DBG("%s: Adding new multicast socket for (B)DR\n", p->name);
           ifa->dr_sk=sk_new(p->pool);
           ifa->dr_sk->type=SK_IP_MC;
+	  ifa->dr_sk->sport=0;
 	  ifa->dr_sk->dport=OSPF_PROTO;
-          ifa->dr_sk->saddr=AllDRouters;
+          ifa->dr_sk->saddr=ipa_from_u32(0);
           ifa->dr_sk->daddr=AllDRouters;
           ifa->dr_sk->tos=IP_PREC_INTERNET_CONTROL;
           ifa->dr_sk->ttl=1;
@@ -222,8 +223,9 @@ ospf_open_mc_socket(struct ospf_iface *ifa)
 
   mcsk=sk_new(p->pool);
   mcsk->type=SK_IP_MC;
+  mcsk->sport=0;
   mcsk->dport=OSPF_PROTO;
-  mcsk->saddr=AllSPFRouters;
+  mcsk->saddr=ipa_from_u32(0);
   mcsk->daddr=AllSPFRouters;
   mcsk->tos=IP_PREC_INTERNET_CONTROL;
   mcsk->ttl=1;
diff --git a/proto/ospf/neighbor.c b/proto/ospf/neighbor.c
index d9c9b1b..785e3bc 100644
--- a/proto/ospf/neighbor.c
+++ b/proto/ospf/neighbor.c
@@ -67,6 +67,11 @@ neigh_chstate(struct ospf_neighbor *n, u8 state)
       schedule_rt_lsa(ifa->oa);
       schedule_net_lsa(ifa);
     }
+    if(oldstate>=NEIGHBOR_EXSTART && state<NEIGHBOR_EXSTART)
+    {
+      /* Stop RXMT timer */
+      tm_stop(n->rxmt_timer);
+    }
     if(state==NEIGHBOR_EXSTART)
     {
       if(n->adj==0)	/* First time adjacency */
@@ -294,6 +299,7 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
         }
       break;
     case INM_SEQMIS:
+      OSPF_TRACE(D_EVENTS, "Seq mis!");
     case INM_BADLSREQ:
       OSPF_TRACE(D_EVENTS, "Bad LS req!");
       if(n->state>=NEIGHBOR_EXCHANGE)