Indentation only. No any functional changes.

1 files changed, 1575 insertions, 1335 deletions

diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index f93025db..cae34610 100644
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -58,15 +58,14 @@ extern struct thread_master *master;
 extern struct isis *isis;
 
 #define ISIS_MINIMUM_FIXED_HDR_LEN 15
-#define ISIS_MIN_PDU_LEN           13 /* partial seqnum pdu with id_len=2 */
+#define ISIS_MIN_PDU_LEN           13	/* partial seqnum pdu with id_len=2 */
 
 #ifndef PNBBY
 #define PNBBY 8
 #endif /* PNBBY */
 
 /* Utility mask array. */
-static u_char maskbit[] = 
-{
+static u_char maskbit[] = {
   0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff
 };
 
@@ -77,21 +76,23 @@ static u_char maskbit[] =
 /*
  * Compares two sets of area addresses
  */
-static int 
+static int
 area_match (struct list *left, struct list *right)
 {
   struct area_addr *addr1, *addr2;
   struct listnode *node1, *node2;
 
-  LIST_LOOP (left, addr1, node1) {
-    LIST_LOOP (right, addr2, node2) {
-      if (addr1->addr_len == addr2->addr_len && 
-        !memcmp (addr1->area_addr, addr2->area_addr, (int)addr1->addr_len))
-        return 1; /* match */
+  LIST_LOOP (left, addr1, node1)
+  {
+    LIST_LOOP (right, addr2, node2)
+    {
+      if (addr1->addr_len == addr2->addr_len &&
+	  !memcmp (addr1->area_addr, addr2->area_addr, (int) addr1->addr_len))
+	return 1;		/* match */
     }
   }
 
-  return 0; /* mismatch */
+  return 0;			/* mismatch */
 }
 
 /*
@@ -102,34 +103,37 @@ area_match (struct list *left, struct list *right)
  *         1            the IIH's IP is in the IS's subnetwork
  */
 int
-ip_same_subnet  (struct prefix_ipv4 *ip1, struct in_addr *ip2)
+ip_same_subnet (struct prefix_ipv4 *ip1, struct in_addr *ip2)
 {
   u_char *addr1, *addr2;
   int shift, offset;
   int len;
-    
-  addr1 = (u_char *) &ip1->prefix.s_addr;
-  addr2 = (u_char *) &ip2->s_addr;
+
+  addr1 = (u_char *) & ip1->prefix.s_addr;
+  addr2 = (u_char *) & ip2->s_addr;
   len = ip1->prefixlen;
 
   shift = len % PNBBY;
   offset = len / PNBBY;
 
-  while (offset--) {
-    if (addr1[offset] != addr2[offset]) {
-      return 0;
+  while (offset--)
+    {
+      if (addr1[offset] != addr2[offset])
+	{
+	  return 0;
+	}
     }
-  }
 
-  if (shift) {
-    if (maskbit[shift] & (addr1[offset] ^ addr2[offset])) {
-      return 0;
+  if (shift)
+    {
+      if (maskbit[shift] & (addr1[offset] ^ addr2[offset]))
+	{
+	  return 0;
+	}
     }
-  }
-    
- return 1; /* match  */
-}
 
+  return 1;			/* match  */
+}
 
 /*
  * Compares two set of ip addresses
@@ -138,20 +142,23 @@ ip_same_subnet  (struct prefix_ipv4 *ip1, struct in_addr *ip2)
  * return         0   no match;
  *                1   match;
  */
-static int 
+static int
 ip_match (struct list *left, struct list *right)
 {
   struct prefix_ipv4 *ip1;
   struct in_addr *ip2;
   struct listnode *node1, *node2;
 
-  LIST_LOOP (left, ip1, node1) {
-    LIST_LOOP (right, ip2, node2) {
-      if (ip_same_subnet(ip1, ip2)) {
-        return 1;  /* match */
-      }
+  LIST_LOOP (left, ip1, node1)
+  {
+    LIST_LOOP (right, ip2, node2)
+    {
+      if (ip_same_subnet (ip1, ip2))
+	{
+	  return 1;		/* match */
+	}
     }
-  
+
   }
   return 0;
 }
@@ -162,103 +169,111 @@ ip_match (struct list *left, struct list *right)
 static int
 accept_level (int level, int circuit_t)
 {
-  int retval = ((circuit_t & level) == level); /* simple approach */
+  int retval = ((circuit_t & level) == level);	/* simple approach */
 
   return retval;
 }
 
-int 
+int
 authentication_check (struct isis_passwd *one, struct isis_passwd *theother)
 {
-  if (one->type != theother->type) {
-    zlog_warn ("Unsupported authentication type %d", theother->type );
-    return 1; /* Auth fail (different authentication types)*/
-  }
-  switch (one->type) {
-  case ISIS_PASSWD_TYPE_CLEARTXT:
-    if (one->len != theother->len)
-      return 1; /* Auth fail () - passwd len mismatch */
-    return memcmp (one->passwd, theother->passwd, one->len);
-    break;
-  default:
-    zlog_warn ("Unsupported authentication type");
-    break;
-  }
-  return 0; /* Auth pass */ 
+  if (one->type != theother->type)
+    {
+      zlog_warn ("Unsupported authentication type %d", theother->type);
+      return 1;			/* Auth fail (different authentication types) */
+    }
+  switch (one->type)
+    {
+    case ISIS_PASSWD_TYPE_CLEARTXT:
+      if (one->len != theother->len)
+	return 1;		/* Auth fail () - passwd len mismatch */
+      return memcmp (one->passwd, theother->passwd, one->len);
+      break;
+    default:
+      zlog_warn ("Unsupported authentication type");
+      break;
+    }
+  return 0;			/* Auth pass */
 }
 
 /*
  * Processing helper functions
  */
 void
-tlvs_to_adj_nlpids (struct tlvs *tlvs, struct isis_adjacency *adj) 
+tlvs_to_adj_nlpids (struct tlvs *tlvs, struct isis_adjacency *adj)
 {
   int i;
   struct nlpids *tlv_nlpids;
 
-  if (tlvs->nlpids) {
+  if (tlvs->nlpids)
+    {
 
-    tlv_nlpids = tlvs->nlpids;
+      tlv_nlpids = tlvs->nlpids;
 
-    adj->nlpids.count = tlv_nlpids->count;
+      adj->nlpids.count = tlv_nlpids->count;
 
-    for (i=0;i<tlv_nlpids->count;i++) {
-       adj->nlpids.nlpids[i] = tlv_nlpids->nlpids[i];
+      for (i = 0; i < tlv_nlpids->count; i++)
+	{
+	  adj->nlpids.nlpids[i] = tlv_nlpids->nlpids[i];
+	}
     }
-  }
 }
 
-void  
+void
 del_ip_addr (void *val)
 {
   XFREE (MTYPE_ISIS_TMP, val);
 }
 
 void
-tlvs_to_adj_ipv4_addrs (struct tlvs *tlvs, struct isis_adjacency *adj) 
+tlvs_to_adj_ipv4_addrs (struct tlvs *tlvs, struct isis_adjacency *adj)
 {
   struct listnode *node;
   struct in_addr *ipv4_addr, *malloced;
 
-  if (adj->ipv4_addrs) {
-    adj->ipv4_addrs->del = del_ip_addr;
-    list_delete (adj->ipv4_addrs);
-  }
+  if (adj->ipv4_addrs)
+    {
+      adj->ipv4_addrs->del = del_ip_addr;
+      list_delete (adj->ipv4_addrs);
+    }
   adj->ipv4_addrs = list_new ();
-  if (tlvs->ipv4_addrs) {
-    LIST_LOOP (tlvs->ipv4_addrs, ipv4_addr, node) {
-      malloced = XMALLOC (MTYPE_ISIS_TMP, sizeof (struct in_addr));
-      memcpy (malloced, ipv4_addr, sizeof (struct in_addr));
-      listnode_add (adj->ipv4_addrs, malloced);
+  if (tlvs->ipv4_addrs)
+    {
+      LIST_LOOP (tlvs->ipv4_addrs, ipv4_addr, node)
+      {
+	malloced = XMALLOC (MTYPE_ISIS_TMP, sizeof (struct in_addr));
+	memcpy (malloced, ipv4_addr, sizeof (struct in_addr));
+	listnode_add (adj->ipv4_addrs, malloced);
+      }
     }
-  }
 }
 
 #ifdef HAVE_IPV6
 void
-tlvs_to_adj_ipv6_addrs (struct tlvs *tlvs, struct isis_adjacency *adj) 
+tlvs_to_adj_ipv6_addrs (struct tlvs *tlvs, struct isis_adjacency *adj)
 {
   struct listnode *node;
   struct in6_addr *ipv6_addr, *malloced;
 
-  if (adj->ipv6_addrs) {
-    adj->ipv6_addrs->del = del_ip_addr;
-    list_delete (adj->ipv6_addrs);
-  }
+  if (adj->ipv6_addrs)
+    {
+      adj->ipv6_addrs->del = del_ip_addr;
+      list_delete (adj->ipv6_addrs);
+    }
   adj->ipv6_addrs = list_new ();
-  if (tlvs->ipv6_addrs) {
-    LIST_LOOP (tlvs->ipv6_addrs, ipv6_addr, node) {
-      malloced = XMALLOC (MTYPE_ISIS_TMP, sizeof (struct in6_addr));
-      memcpy (malloced, ipv6_addr, sizeof (struct in6_addr));
-      listnode_add (adj->ipv6_addrs, malloced);
+  if (tlvs->ipv6_addrs)
+    {
+      LIST_LOOP (tlvs->ipv6_addrs, ipv6_addr, node)
+      {
+	malloced = XMALLOC (MTYPE_ISIS_TMP, sizeof (struct in6_addr));
+	memcpy (malloced, ipv6_addr, sizeof (struct in6_addr));
+	listnode_add (adj->ipv6_addrs, malloced);
+      }
     }
-  }
 
 }
 #endif /* HAVE_IPV6 */
 
-
-
 /*
  *  RECEIVE SIDE                           
  */
@@ -278,12 +293,12 @@ process_p2p_hello (struct isis_circuit *circuit)
   u_int32_t expected = 0, found;
   struct tlvs tlvs;
 
-  if ((stream_get_endp (circuit->rcv_stream) - 
-       stream_get_getp (circuit->rcv_stream)) <
-      ISIS_P2PHELLO_HDRLEN) {
-    zlog_warn ("Packet too short");
-    return ISIS_WARNING;
-  }
+  if ((stream_get_endp (circuit->rcv_stream) -
+       stream_get_getp (circuit->rcv_stream)) < ISIS_P2PHELLO_HDRLEN)
+    {
+      zlog_warn ("Packet too short");
+      return ISIS_WARNING;
+    }
 
   /* 8.2.5.1 PDU acceptance tests */
 
@@ -301,41 +316,43 @@ process_p2p_hello (struct isis_circuit *circuit)
   /*
    * Get the header
    */
-  hdr = (struct isis_p2p_hello_hdr*) STREAM_PNT(circuit->rcv_stream);
+  hdr = (struct isis_p2p_hello_hdr *) STREAM_PNT (circuit->rcv_stream);
   circuit->rcv_stream->getp += ISIS_P2PHELLO_HDRLEN;
 
   /*  hdr.circuit_t = stream_getc (stream);
-      stream_get (hdr.source_id, stream, ISIS_SYS_ID_LEN);
-      hdr.hold_time = stream_getw (stream);
-      hdr.pdu_len   = stream_getw (stream);
-      hdr.local_id  = stream_getc (stream); */
+     stream_get (hdr.source_id, stream, ISIS_SYS_ID_LEN);
+     hdr.hold_time = stream_getw (stream);
+     hdr.pdu_len   = stream_getw (stream);
+     hdr.local_id  = stream_getc (stream); */
 
   /*
    * My interpertation of the ISO, if no adj exists we will create one for 
    * the circuit
    */
 
-  if (isis->debugs  & DEBUG_ADJ_PACKETS) {
-     zlog_info("ISIS-Adj (%s): Rcvd P2P IIH from (%s), cir type %s,"
-	       " cir id %02d, length %d",
-	       circuit->area->area_tag, circuit->interface->name, 
-	       circuit_t2string(circuit->circuit_is_type),
-	       circuit->circuit_id,ntohs(hdr->pdu_len));
-  }
+  if (isis->debugs & DEBUG_ADJ_PACKETS)
+    {
+      zlog_info ("ISIS-Adj (%s): Rcvd P2P IIH from (%s), cir type %s,"
+		 " cir id %02d, length %d",
+		 circuit->area->area_tag, circuit->interface->name,
+		 circuit_t2string (circuit->circuit_is_type),
+		 circuit->circuit_id, ntohs (hdr->pdu_len));
+    }
 
   adj = circuit->u.p2p.neighbor;
-  if ( !adj ) {
-    adj = isis_new_adj (hdr->source_id,"      ", 0, circuit);
-    if (adj == NULL)
-      return ISIS_ERROR;
-    circuit->u.p2p.neighbor = adj;
-    isis_adj_state_change(adj, ISIS_ADJ_INITIALIZING, NULL);
-    adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
-  }
+  if (!adj)
+    {
+      adj = isis_new_adj (hdr->source_id, "      ", 0, circuit);
+      if (adj == NULL)
+	return ISIS_ERROR;
+      circuit->u.p2p.neighbor = adj;
+      isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
+      adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
+    }
 
   /* 8.2.6 Monitoring point-to-point adjacencies */
   adj->hold_time = ntohs (hdr->hold_time);
-  adj->last_upd  = time (NULL);
+  adj->last_upd = time (NULL);
 
   /*
    * Lets get the TLVS now
@@ -348,214 +365,273 @@ process_p2p_hello (struct isis_circuit *circuit)
 
   retval = parse_tlvs (circuit->area->area_tag,
 		       STREAM_PNT (circuit->rcv_stream),
-		       ntohs (hdr->pdu_len) - ISIS_P2PHELLO_HDRLEN 
-		       - ISIS_FIXED_HDR_LEN,
-		       &expected,
-		       &found,
-		       &tlvs);
-
-  if (retval > ISIS_WARNING) {
-    free_tlvs (&tlvs);
-    return retval;
-  };
+		       ntohs (hdr->pdu_len) - ISIS_P2PHELLO_HDRLEN
+		       - ISIS_FIXED_HDR_LEN, &expected, &found, &tlvs);
+
+  if (retval > ISIS_WARNING)
+    {
+      free_tlvs (&tlvs);
+      return retval;
+    };
 
   /* 8.2.5.1 c) Authentication */
-  if (circuit->passwd.type) {
-    if (!(found & TLVFLAG_AUTH_INFO) || 
-	authentication_check (&circuit->passwd, &tlvs.auth_info)) {
-      isis_event_auth_failure (circuit->area->area_tag, 
-			       "P2P hello authentication failure", 
-			       hdr->source_id);
-      return ISIS_OK;
+  if (circuit->passwd.type)
+    {
+      if (!(found & TLVFLAG_AUTH_INFO) ||
+	  authentication_check (&circuit->passwd, &tlvs.auth_info))
+	{
+	  isis_event_auth_failure (circuit->area->area_tag,
+				   "P2P hello authentication failure",
+				   hdr->source_id);
+	  return ISIS_OK;
+	}
     }
-  }
 
   /* we do this now because the adj may not survive till the end... */
 
   /* we need to copy addresses to the adj */
-  tlvs_to_adj_ipv4_addrs (&tlvs,adj);
+  tlvs_to_adj_ipv4_addrs (&tlvs, adj);
 
 #ifdef HAVE_IPV6
-  tlvs_to_adj_ipv6_addrs (&tlvs,adj);
+  tlvs_to_adj_ipv6_addrs (&tlvs, adj);
 #endif /* HAVE_IPV6 */
 
   /* lets take care of the expiry */
-  THREAD_TIMER_OFF(adj->t_expire);
-  THREAD_TIMER_ON(master, adj->t_expire, isis_adj_expire, adj,
-                                    (long)adj->hold_time);
+  THREAD_TIMER_OFF (adj->t_expire);
+  THREAD_TIMER_ON (master, adj->t_expire, isis_adj_expire, adj,
+		   (long) adj->hold_time);
 
   /* 8.2.5.2 a) a match was detected */
-  if (area_match (circuit->area->area_addrs, tlvs.area_addrs)) {
-    /* 8.2.5.2 a) 2) If the system is L1 - table 5 */
-    if (circuit->area->is_type == IS_LEVEL_1) {
-      switch (hdr->circuit_t) {
-      case IS_LEVEL_1:
-      case IS_LEVEL_1_AND_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (4) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (5) adj usage level 1 */
-          adj->adj_usage = ISIS_ADJ_LEVEL1;
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-          ; /* accept */
-        }
-        break;
-      case IS_LEVEL_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (7) reject - wrong system type event */
-          zlog_warn ("wrongSystemType");
-          return ISIS_WARNING; /* Reject */
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-          /* (6) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        }
-        break;
-      }
-    }
+  if (area_match (circuit->area->area_addrs, tlvs.area_addrs))
+    {
+      /* 8.2.5.2 a) 2) If the system is L1 - table 5 */
+      if (circuit->area->is_type == IS_LEVEL_1)
+	{
+	  switch (hdr->circuit_t)
+	    {
+	    case IS_LEVEL_1:
+	    case IS_LEVEL_1_AND_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (4) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (5) adj usage level 1 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL1;
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+		{
+		  ;		/* accept */
+		}
+	      break;
+	    case IS_LEVEL_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (7) reject - wrong system type event */
+		  zlog_warn ("wrongSystemType");
+		  return ISIS_WARNING;	/* Reject */
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+		{
+		  /* (6) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      break;
+	    }
+	}
 
-    /* 8.2.5.2 a) 3) If the system is L1L2 - table 6 */
-    if (circuit->area->is_type == IS_LEVEL_1_AND_2) {
-      switch (hdr->circuit_t) {
-      case IS_LEVEL_1:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (6) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (7) adj usage level 1 */
-          adj->adj_usage = ISIS_ADJ_LEVEL1;
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-          ; /* accept */
-        } else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
-                   (adj->adj_usage == ISIS_ADJ_LEVEL2)) {
-          /* (8) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        }
-        break;
-      case IS_LEVEL_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (6) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (9) adj usage level 2 */
-          adj->adj_usage = ISIS_ADJ_LEVEL2;
-        } else if ((adj->adj_usage == ISIS_ADJ_LEVEL1) ||
-                   (adj->adj_usage == ISIS_ADJ_LEVEL1AND2)) {
-          /* (8) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL2) {
-          ; /* Accept */
-        }
-        break;
-      case IS_LEVEL_1_AND_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (6) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (10) adj usage level 1 */
-          adj->adj_usage = ISIS_ADJ_LEVEL1AND2;
-        } else if ((adj->adj_usage == ISIS_ADJ_LEVEL1) ||
-                   (adj->adj_usage == ISIS_ADJ_LEVEL2)) {
-          /* (8) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2) {
-          ; /* Accept */
-        }
-        break;
-      }
-    }
+      /* 8.2.5.2 a) 3) If the system is L1L2 - table 6 */
+      if (circuit->area->is_type == IS_LEVEL_1_AND_2)
+	{
+	  switch (hdr->circuit_t)
+	    {
+	    case IS_LEVEL_1:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (6) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (7) adj usage level 1 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL1;
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+		{
+		  ;		/* accept */
+		}
+	      else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
+		       (adj->adj_usage == ISIS_ADJ_LEVEL2))
+		{
+		  /* (8) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      break;
+	    case IS_LEVEL_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (6) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (9) adj usage level 2 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL2;
+		}
+	      else if ((adj->adj_usage == ISIS_ADJ_LEVEL1) ||
+		       (adj->adj_usage == ISIS_ADJ_LEVEL1AND2))
+		{
+		  /* (8) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL2)
+		{
+		  ;		/* Accept */
+		}
+	      break;
+	    case IS_LEVEL_1_AND_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (6) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (10) adj usage level 1 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL1AND2;
+		}
+	      else if ((adj->adj_usage == ISIS_ADJ_LEVEL1) ||
+		       (adj->adj_usage == ISIS_ADJ_LEVEL2))
+		{
+		  /* (8) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2)
+		{
+		  ;		/* Accept */
+		}
+	      break;
+	    }
+	}
 
-    /* 8.2.5.2 a) 4) If the system is L2 - table 7 */
-    if (circuit->area->is_type == IS_LEVEL_2) {
-      switch (hdr->circuit_t) {
-      case IS_LEVEL_1:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (5) reject - wrong system type event */
-          zlog_warn ("wrongSystemType");
-          return ISIS_WARNING; /* Reject */
-        } else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
-                   (adj->adj_usage == ISIS_ADJ_LEVEL2)) {
-          /* (6) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        }
-        break;
-      case IS_LEVEL_1_AND_2:
-      case IS_LEVEL_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (7) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (8) adj usage level 2 */
-          adj->adj_usage = ISIS_ADJ_LEVEL2;
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2) {
-          /* (6) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL2) {
-          ; /* Accept */
-        }
-        break;
-      }
+      /* 8.2.5.2 a) 4) If the system is L2 - table 7 */
+      if (circuit->area->is_type == IS_LEVEL_2)
+	{
+	  switch (hdr->circuit_t)
+	    {
+	    case IS_LEVEL_1:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (5) reject - wrong system type event */
+		  zlog_warn ("wrongSystemType");
+		  return ISIS_WARNING;	/* Reject */
+		}
+	      else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
+		       (adj->adj_usage == ISIS_ADJ_LEVEL2))
+		{
+		  /* (6) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      break;
+	    case IS_LEVEL_1_AND_2:
+	    case IS_LEVEL_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (7) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (8) adj usage level 2 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL2;
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2)
+		{
+		  /* (6) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL2)
+		{
+		  ;		/* Accept */
+		}
+	      break;
+	    }
+	}
     }
-  }
   /* 8.2.5.2 b) if no match was detected */
   else
-  {
-    if (circuit->area->is_type == IS_LEVEL_1) {
-      /* 8.2.5.2 b) 1) is_type L1 and adj is not up */
-      if (adj->adj_state != ISIS_ADJ_UP) {
-        isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch");
-      /* 8.2.5.2 b) 2)is_type L1 and adj is up */
-      } else {
-        isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Down - Area Mismatch");
-      }
-    }
-    /* 8.2.5.2 b 3 If the system is L2 or L1L2 - table 8 */
-    else
     {
-      switch (hdr->circuit_t) {
-      case IS_LEVEL_1:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (6) reject - Area Mismatch event */
-          zlog_warn ("AreaMismatch");
-          return ISIS_WARNING; /* Reject */
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-          /* (7) down - area mismatch */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch");
-
-        } else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
-                   (adj->adj_usage == ISIS_ADJ_LEVEL2)) {
-          /* (7) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        }
-        break;
-      case IS_LEVEL_1_AND_2:
-      case IS_LEVEL_2:
-        if (adj->adj_state != ISIS_ADJ_UP) {
-          /* (8) adj state up */
-          isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
-          /* (9) adj usage level 2 */
-          adj->adj_usage = ISIS_ADJ_LEVEL2;
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-          /* (7) down - wrong system */
-          isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2) {
-          if (hdr->circuit_t == IS_LEVEL_2) {
-            /* (7) down - wrong system */
-            isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
-          } else {
-            /* (7) down - area mismatch */
-            isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch");
-          }
-        } else if (adj->adj_usage == ISIS_ADJ_LEVEL2) {
-          ; /* Accept */
-        }
-        break;
-      }
+      if (circuit->area->is_type == IS_LEVEL_1)
+	{
+	  /* 8.2.5.2 b) 1) is_type L1 and adj is not up */
+	  if (adj->adj_state != ISIS_ADJ_UP)
+	    {
+	      isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch");
+	      /* 8.2.5.2 b) 2)is_type L1 and adj is up */
+	    }
+	  else
+	    {
+	      isis_adj_state_change (adj, ISIS_ADJ_DOWN,
+				     "Down - Area Mismatch");
+	    }
+	}
+      /* 8.2.5.2 b 3 If the system is L2 or L1L2 - table 8 */
+      else
+	{
+	  switch (hdr->circuit_t)
+	    {
+	    case IS_LEVEL_1:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (6) reject - Area Mismatch event */
+		  zlog_warn ("AreaMismatch");
+		  return ISIS_WARNING;	/* Reject */
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+		{
+		  /* (7) down - area mismatch */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch");
+
+		}
+	      else if ((adj->adj_usage == ISIS_ADJ_LEVEL1AND2) ||
+		       (adj->adj_usage == ISIS_ADJ_LEVEL2))
+		{
+		  /* (7) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      break;
+	    case IS_LEVEL_1_AND_2:
+	    case IS_LEVEL_2:
+	      if (adj->adj_state != ISIS_ADJ_UP)
+		{
+		  /* (8) adj state up */
+		  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL);
+		  /* (9) adj usage level 2 */
+		  adj->adj_usage = ISIS_ADJ_LEVEL2;
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+		{
+		  /* (7) down - wrong system */
+		  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System");
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2)
+		{
+		  if (hdr->circuit_t == IS_LEVEL_2)
+		    {
+		      /* (7) down - wrong system */
+		      isis_adj_state_change (adj, ISIS_ADJ_DOWN,
+					     "Wrong System");
+		    }
+		  else
+		    {
+		      /* (7) down - area mismatch */
+		      isis_adj_state_change (adj, ISIS_ADJ_DOWN,
+					     "Area Mismatch");
+		    }
+		}
+	      else if (adj->adj_usage == ISIS_ADJ_LEVEL2)
+		{
+		  ;		/* Accept */
+		}
+	      break;
+	    }
+	}
     }
-  }
   /* 8.2.5.2 c) if the action was up - comparing circuit IDs */
   /* FIXME - Missing parts */
 
-
   /* some of my own understanding of the ISO, why the heck does
    * it not say what should I change the system_type to...
    */
-  switch (adj->adj_usage) {
+  switch (adj->adj_usage)
+    {
     case ISIS_ADJ_LEVEL1:
       adj->sys_type = ISIS_SYSTYPE_L1_IS;
       break;
@@ -568,7 +644,7 @@ process_p2p_hello (struct isis_circuit *circuit)
     case ISIS_ADJ_NONE:
       adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
       break;
-  }
+    }
 
   adj->circuit_t = hdr->circuit_t;
   adj->level = hdr->circuit_t;
@@ -578,12 +654,11 @@ process_p2p_hello (struct isis_circuit *circuit)
   return retval;
 }
 
-
 /*
  * Process IS-IS LAN Level 1/2 Hello PDU
  */
-static int 
-process_lan_hello (int level, struct isis_circuit *circuit, u_char *ssnpa)
+static int
+process_lan_hello (int level, struct isis_circuit *circuit, u_char * ssnpa)
 {
   int retval = ISIS_OK;
   struct isis_lan_hello_hdr hdr;
@@ -593,35 +668,41 @@ process_lan_hello (int level, struct isis_circuit *circuit, u_char *ssnpa)
   u_char *snpa;
   struct listnode *node;
 
-  if ((stream_get_endp (circuit->rcv_stream) - 
-       stream_get_getp (circuit->rcv_stream)) < ISIS_LANHELLO_HDRLEN) {
-    zlog_warn ("Packet too short");
-    return ISIS_WARNING;
-  }
+  if ((stream_get_endp (circuit->rcv_stream) -
+       stream_get_getp (circuit->rcv_stream)) < ISIS_LANHELLO_HDRLEN)
+    {
+      zlog_warn ("Packet too short");
+      return ISIS_WARNING;
+    }
 
-  if (circuit->ext_domain) {
-    zlog_info ("level %d LAN Hello received over circuit with "
-	       "externalDomain = true", level);
-    return ISIS_WARNING;
-  }
+  if (circuit->ext_domain)
+    {
+      zlog_info ("level %d LAN Hello received over circuit with "
+		 "externalDomain = true", level);
+      return ISIS_WARNING;
+    }
 
-  if (!accept_level (level, circuit->circuit_is_type)) {
-    if (isis->debugs & DEBUG_ADJ_PACKETS) {
-      zlog_info ("ISIS-Adj (%s): Interface level mismatch, %s",
-                 circuit->area->area_tag, circuit->interface->name);
+  if (!accept_level (level, circuit->circuit_is_type))
+    {
+      if (isis->debugs & DEBUG_ADJ_PACKETS)
+	{
+	  zlog_info ("ISIS-Adj (%s): Interface level mismatch, %s",
+		     circuit->area->area_tag, circuit->interface->name);
+	}
+      return ISIS_WARNING;
     }
-    return ISIS_WARNING;
-  }
 
 #if 0
   /* Cisco's debug message compatability */
-  if (!accept_level (level, circuit->area->is_type)) {
-    if (isis->debugs & DEBUG_ADJ_PACKETS) {
-      zlog_info ("ISIS-Adj (%s): is type mismatch",
-                 circuit->area->area_tag);
+  if (!accept_level (level, circuit->area->is_type))
+    {
+      if (isis->debugs & DEBUG_ADJ_PACKETS)
+	{
+	  zlog_info ("ISIS-Adj (%s): is type mismatch",
+		     circuit->area->area_tag);
+	}
+      return ISIS_WARNING;
     }
-    return ISIS_WARNING;
-  }
 #endif
   /*
    * Fill the header
@@ -629,16 +710,17 @@ process_lan_hello (int level, struct isis_circuit *circuit, u_char *ssnpa)
   hdr.circuit_t = stream_getc (circuit->rcv_stream);
   stream_get (hdr.source_id, circuit->rcv_stream, ISIS_SYS_ID_LEN);
   hdr.hold_time = stream_getw (circuit->rcv_stream);
-  hdr.pdu_len   = stream_getw (circuit->rcv_stream);
-  hdr.prio      = stream_getc (circuit->rcv_stream);
+  hdr.pdu_len = stream_getw (circuit->rcv_stream);
+  hdr.prio = stream_getc (circuit->rcv_stream);
   stream_get (hdr.lan_id, circuit->rcv_stream, ISIS_SYS_ID_LEN + 1);
 
   if (hdr.circuit_t != IS_LEVEL_1 && hdr.circuit_t != IS_LEVEL_2 &&
-      hdr.circuit_t != IS_LEVEL_1_AND_2 ) {
-    zlog_warn ("Level %d LAN Hello with Circuit Type %d", level, 
-	       hdr.circuit_t);
-    return ISIS_ERROR;
-  }
+      hdr.circuit_t != IS_LEVEL_1_AND_2)
+    {
+      zlog_warn ("Level %d LAN Hello with Circuit Type %d", level,
+		 hdr.circuit_t);
+      return ISIS_ERROR;
+    }
   /*
    * Then get the tlvs
    */
@@ -650,171 +732,194 @@ process_lan_hello (int level, struct isis_circuit *circuit, u_char *ssnpa)
   expected |= TLVFLAG_IPV6_ADDR;
 
   retval = parse_tlvs (circuit->area->area_tag,
-                       STREAM_PNT (circuit->rcv_stream),
-                       hdr.pdu_len - ISIS_LANHELLO_HDRLEN - ISIS_FIXED_HDR_LEN,
-                       &expected,
-                       &found,
-                       &tlvs);
-
-  if (retval > ISIS_WARNING) {
-    zlog_warn ("parse_tlvs() failed");
-    goto out;
-  }
+		       STREAM_PNT (circuit->rcv_stream),
+		       hdr.pdu_len - ISIS_LANHELLO_HDRLEN -
+		       ISIS_FIXED_HDR_LEN, &expected, &found, &tlvs);
 
-  if (!(found & TLVFLAG_AREA_ADDRS)) {
-    zlog_warn ("No Area addresses TLV in Level %d LAN IS to IS hello", level);
-    retval = ISIS_WARNING;
-    goto out;
-  }
+  if (retval > ISIS_WARNING)
+    {
+      zlog_warn ("parse_tlvs() failed");
+      goto out;
+    }
 
-  if (circuit->passwd.type) {
-    if (!(found & TLVFLAG_AUTH_INFO) || 
-	authentication_check (&circuit->passwd, &tlvs.auth_info)) {
-      isis_event_auth_failure (circuit->area->area_tag, 
-			       "LAN hello authentication failure", 
-        hdr.source_id);
+  if (!(found & TLVFLAG_AREA_ADDRS))
+    {
+      zlog_warn ("No Area addresses TLV in Level %d LAN IS to IS hello",
+		 level);
       retval = ISIS_WARNING;
       goto out;
     }
-  }
+
+  if (circuit->passwd.type)
+    {
+      if (!(found & TLVFLAG_AUTH_INFO) ||
+	  authentication_check (&circuit->passwd, &tlvs.auth_info))
+	{
+	  isis_event_auth_failure (circuit->area->area_tag,
+				   "LAN hello authentication failure",
+				   hdr.source_id);
+	  retval = ISIS_WARNING;
+	  goto out;
+	}
+    }
 
   /*
    * Accept the level 1 adjacency only if a match between local and
    * remote area addresses is found
    */
-  if (level == 1 && !area_match (circuit->area->area_addrs, tlvs.area_addrs)) {
-    if (isis->debugs & DEBUG_ADJ_PACKETS) {
-      zlog_info ("ISIS-Adj (%s): Area mismatch, level %d IIH on %s",
-                 circuit->area->area_tag, level,circuit->interface->name);
+  if (level == 1 && !area_match (circuit->area->area_addrs, tlvs.area_addrs))
+    {
+      if (isis->debugs & DEBUG_ADJ_PACKETS)
+	{
+	  zlog_info ("ISIS-Adj (%s): Area mismatch, level %d IIH on %s",
+		     circuit->area->area_tag, level,
+		     circuit->interface->name);
+	}
+      retval = ISIS_OK;
+      goto out;
     }
-    retval = ISIS_OK;
-    goto out;
-  }
 
   /* 
    * it's own IIH PDU - discard silently 
-   */ 
-  if (!memcmp (circuit->u.bc.snpa, ssnpa, ETH_ALEN)) {
-    zlog_info ("ISIS-Adj (%s): it's own IIH PDU - discarded", 
-	       circuit->area->area_tag);
+   */
+  if (!memcmp (circuit->u.bc.snpa, ssnpa, ETH_ALEN))
+    {
+      zlog_info ("ISIS-Adj (%s): it's own IIH PDU - discarded",
+		 circuit->area->area_tag);
 
-    retval = ISIS_OK;
-    goto out;
-  }
+      retval = ISIS_OK;
+      goto out;
+    }
 
   /*
    * check if it's own interface ip match iih ip addrs
    */
-  if (!(found & TLVFLAG_IPV4_ADDR) || !ip_match(circuit->ip_addrs, tlvs.ipv4_addrs)) {
-    zlog_info("ISIS-Adj: No usable IP interface addresses in LAN IIH from %s\n",
-   		circuit->interface->name);
-    retval = ISIS_WARNING;
-    goto out;
-  }
-
+  if (!(found & TLVFLAG_IPV4_ADDR)
+      || !ip_match (circuit->ip_addrs, tlvs.ipv4_addrs))
+    {
+      zlog_info
+	("ISIS-Adj: No usable IP interface addresses in LAN IIH from %s\n",
+	 circuit->interface->name);
+      retval = ISIS_WARNING;
+      goto out;
+    }
 
   adj = isis_adj_lookup (hdr.source_id, circuit->u.bc.adjdb[level - 1]);
-  if (!adj) {
-    /*
-     * Do as in 8.4.2.5
-     */
-    adj = isis_new_adj (hdr.source_id, ssnpa, level, circuit);
-    if (adj == NULL)
-      retval = ISIS_ERROR;
+  if (!adj)
+    {
+      /*
+       * Do as in 8.4.2.5
+       */
+      adj = isis_new_adj (hdr.source_id, ssnpa, level, circuit);
+      if (adj == NULL)
+	retval = ISIS_ERROR;
       goto out;
 
-    adj->level = level;
-    isis_adj_state_change(adj, ISIS_ADJ_INITIALIZING, NULL);
+      adj->level = level;
+      isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
 
-    if (level == 1) {
-      adj->sys_type = ISIS_SYSTYPE_L1_IS;
-    } else {
-      adj->sys_type = ISIS_SYSTYPE_L2_IS;
+      if (level == 1)
+	{
+	  adj->sys_type = ISIS_SYSTYPE_L1_IS;
+	}
+      else
+	{
+	  adj->sys_type = ISIS_SYSTYPE_L2_IS;
+	}
+      list_delete_all_node (circuit->u.bc.lan_neighs[level - 1]);
+      isis_adj_build_neigh_list (circuit->u.bc.adjdb[level - 1],
+				 circuit->u.bc.lan_neighs[level - 1]);
     }
-    list_delete_all_node (circuit->u.bc.lan_neighs[level - 1]);
-    isis_adj_build_neigh_list (circuit->u.bc.adjdb[level - 1],
-                               circuit->u.bc.lan_neighs[level - 1]); 
-  }
 
-  switch (level) {
-  case 1 :
-    if (memcmp(circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1)) {
-      thread_add_event (master, isis_event_dis_status_change, circuit, 0);
-      memcpy (&circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
-    }
-    break;
-  case 2 : 
-    if (memcmp (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1)) {
-      thread_add_event (master, isis_event_dis_status_change, circuit, 0);
-      memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
+  switch (level)
+    {
+    case 1:
+      if (memcmp (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
+	{
+	  thread_add_event (master, isis_event_dis_status_change, circuit, 0);
+	  memcpy (&circuit->u.bc.l1_desig_is, hdr.lan_id,
+		  ISIS_SYS_ID_LEN + 1);
+	}
+      break;
+    case 2:
+      if (memcmp (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1))
+	{
+	  thread_add_event (master, isis_event_dis_status_change, circuit, 0);
+	  memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id,
+		  ISIS_SYS_ID_LEN + 1);
+	}
+      break;
     }
-    break;
-  }
 
 #if 0
- /* Old solution: believe the lan-header always
-  */
-  if (level == 1) {
-    memcpy(circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
-  } else if (level == 2) {
-    memcpy(circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
-  }
+  /* Old solution: believe the lan-header always
+   */
+  if (level == 1)
+    {
+      memcpy (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
+    }
+  else if (level == 2)
+    {
+      memcpy (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
+    }
 #endif
 
   adj->hold_time = hdr.hold_time;
-  adj->last_upd  = time (NULL);
-  adj->prio[level-1] = hdr.prio;
+  adj->last_upd = time (NULL);
+  adj->prio[level - 1] = hdr.prio;
 
   memcpy (adj->lanid, hdr.lan_id, ISIS_SYS_ID_LEN + 1);
 
   /* which protocol are spoken ??? */
-  if (found & TLVFLAG_NLPID) 
+  if (found & TLVFLAG_NLPID)
     tlvs_to_adj_nlpids (&tlvs, adj);
 
   /* we need to copy addresses to the adj */
-  if (found & TLVFLAG_IPV4_ADDR) 
+  if (found & TLVFLAG_IPV4_ADDR)
     tlvs_to_adj_ipv4_addrs (&tlvs, adj);
 
 #ifdef HAVE_IPV6
-  if (found & TLVFLAG_IPV6_ADDR) 
+  if (found & TLVFLAG_IPV6_ADDR)
     tlvs_to_adj_ipv6_addrs (&tlvs, adj);
 #endif /* HAVE_IPV6 */
 
   adj->circuit_t = hdr.circuit_t;
 
   /* lets take care of the expiry */
-  THREAD_TIMER_OFF(adj->t_expire);
-  THREAD_TIMER_ON(master, adj->t_expire, isis_adj_expire, adj,
-                                    (long)adj->hold_time);
+  THREAD_TIMER_OFF (adj->t_expire);
+  THREAD_TIMER_ON (master, adj->t_expire, isis_adj_expire, adj,
+		   (long) adj->hold_time);
 
   /*
    * If the snpa for this circuit is found from LAN Neighbours TLV
    * we have two-way communication -> adjacency can be put to state "up"
    */
 
-  if (found & TLVFLAG_LAN_NEIGHS) {
-    if (adj->adj_state != ISIS_ADJ_UP) {
-      LIST_LOOP (tlvs.lan_neighs, snpa, node)
-        if (!memcmp (snpa, circuit->u.bc.snpa, ETH_ALEN)) {
-          isis_adj_state_change (adj, ISIS_ADJ_UP, 
-                                 "own SNPA found in LAN Neighbours TLV");
-        }
+  if (found & TLVFLAG_LAN_NEIGHS)
+    {
+      if (adj->adj_state != ISIS_ADJ_UP)
+	{
+	  LIST_LOOP (tlvs.lan_neighs, snpa, node)
+	    if (!memcmp (snpa, circuit->u.bc.snpa, ETH_ALEN))
+	    {
+	      isis_adj_state_change (adj, ISIS_ADJ_UP,
+				     "own SNPA found in LAN Neighbours TLV");
+	    }
+	}
     }
-  }
 
- out:
+out:
   /* DEBUG_ADJ_PACKETS */
-  if (isis->debugs & DEBUG_ADJ_PACKETS) {
-    /* FIXME: is this place right? fix missing info */
-    zlog_info ("ISIS-Adj (%s): Rcvd L%d LAN IIH from %s on %s, cirType %s, "
-               "cirID %u, length %ld",
-	       circuit->area->area_tag, 
-               level,snpa_print(ssnpa), circuit->interface->name,
-               circuit_t2string(circuit->circuit_is_type),
-               circuit->circuit_id,
-               stream_get_endp (circuit->rcv_stream));
-  }
-
+  if (isis->debugs & DEBUG_ADJ_PACKETS)
+    {
+      /* FIXME: is this place right? fix missing info */
+      zlog_info ("ISIS-Adj (%s): Rcvd L%d LAN IIH from %s on %s, cirType %s, "
+		 "cirID %u, length %ld",
+		 circuit->area->area_tag,
+		 level, snpa_print (ssnpa), circuit->interface->name,
+		 circuit_t2string (circuit->circuit_is_type),
+		 circuit->circuit_id, stream_get_endp (circuit->rcv_stream));
+    }
 
   free_tlvs (&tlvs);
 
@@ -825,9 +930,9 @@ process_lan_hello (int level, struct isis_circuit *circuit, u_char *ssnpa)
  * Process Level 1/2 Link State
  * ISO - 10589
  * Section 7.3.15.1 - Action on receipt of a link state PDU
- */ 
-static int 
-process_lsp (int level, struct isis_circuit *circuit, u_char *ssnpa)
+ */
+static int
+process_lsp (int level, struct isis_circuit *circuit, u_char * ssnpa)
 {
   struct isis_link_state_hdr *hdr;
   struct isis_adjacency *adj = NULL;
@@ -837,64 +942,65 @@ process_lsp (int level, struct isis_circuit *circuit, u_char *ssnpa)
   struct isis_passwd *passwd;
 
   /* Sanity check - FIXME: move to correct place */
-  if ((stream_get_endp (circuit->rcv_stream) - 
-       stream_get_getp (circuit->rcv_stream)) < ISIS_LSP_HDR_LEN ) {
-    zlog_warn ("Packet too short");
-    return ISIS_WARNING;
-  }
+  if ((stream_get_endp (circuit->rcv_stream) -
+       stream_get_getp (circuit->rcv_stream)) < ISIS_LSP_HDR_LEN)
+    {
+      zlog_warn ("Packet too short");
+      return ISIS_WARNING;
+    }
 
   /* Reference the header   */
-  hdr = (struct isis_link_state_hdr*)STREAM_PNT (circuit->rcv_stream);
-
-  if (isis->debugs & DEBUG_UPDATE_PACKETS) {
-    zlog_info ("ISIS-Upd (%s): Rcvd L%d LSP %s, seq 0x%08x, cksum 0x%04x, "
-               "lifetime %us, len %lu, on %s",
-	       circuit->area->area_tag,
-	       level, 
-               rawlspid_print(hdr->lsp_id),
-	       ntohl(hdr->seq_num),
-	       ntohs(hdr->checksum),
-	       ntohs(hdr->rem_lifetime),
-	       circuit->rcv_stream->endp,
-               circuit->interface->name);
-  }
+  hdr = (struct isis_link_state_hdr *) STREAM_PNT (circuit->rcv_stream);
+
+  if (isis->debugs & DEBUG_UPDATE_PACKETS)
+    {
+      zlog_info ("ISIS-Upd (%s): Rcvd L%d LSP %s, seq 0x%08x, cksum 0x%04x, "
+		 "lifetime %us, len %lu, on %s",
+		 circuit->area->area_tag,
+		 level,
+		 rawlspid_print (hdr->lsp_id),
+		 ntohl (hdr->seq_num),
+		 ntohs (hdr->checksum),
+		 ntohs (hdr->rem_lifetime),
+		 circuit->rcv_stream->endp, circuit->interface->name);
+    }
 
   assert (ntohs (hdr->pdu_len) > ISIS_LSP_HDR_LEN);
 
   /* Checksum sanity check - FIXME: move to correct place */
   /* 12 = sysid+pdu+remtime */
-  if (iso_csum_verify (STREAM_PNT (circuit->rcv_stream) + 4, 
-      ntohs (hdr->pdu_len) - 12, &hdr->checksum)) {
-    zlog_info ("ISIS-Upd (%s): LSP %s invalid LSP checksum 0x%04x",
-	       circuit->area->area_tag,
-	       rawlspid_print (hdr->lsp_id),
-	       ntohs(hdr->checksum));
-
-    return ISIS_WARNING;
-  }
+  if (iso_csum_verify (STREAM_PNT (circuit->rcv_stream) + 4,
+		       ntohs (hdr->pdu_len) - 12, &hdr->checksum))
+    {
+      zlog_info ("ISIS-Upd (%s): LSP %s invalid LSP checksum 0x%04x",
+		 circuit->area->area_tag,
+		 rawlspid_print (hdr->lsp_id), ntohs (hdr->checksum));
+
+      return ISIS_WARNING;
+    }
 
   /* 7.3.15.1 a) 1 - external domain circuit will discard lsps */
-  if (circuit->ext_domain) {
-    zlog_info ("ISIS-Upd (%s): LSP %s received at level %d over circuit with "
-               "externalDomain = true",
-	       circuit->area->area_tag,
-	       rawlspid_print (hdr->lsp_id),	       
-	       level);
-
-    return ISIS_WARNING;
-  }
+  if (circuit->ext_domain)
+    {
+      zlog_info
+	("ISIS-Upd (%s): LSP %s received at level %d over circuit with "
+	 "externalDomain = true", circuit->area->area_tag,
+	 rawlspid_print (hdr->lsp_id), level);
+
+      return ISIS_WARNING;
+    }
 
   /* 7.3.15.1 a) 2,3 - manualL2OnlyMode not implemented */
-  if (!accept_level (level, circuit->circuit_is_type)) {
-    zlog_info ("ISIS-Upd (%s): LSP %s received at level %d over circuit of"
-               " type %s", 
-	       circuit->area->area_tag,
-	       rawlspid_print(hdr->lsp_id),	
-               level,
-	       circuit_t2string (circuit->circuit_is_type));
-
-    return ISIS_WARNING;
-  }
+  if (!accept_level (level, circuit->circuit_is_type))
+    {
+      zlog_info ("ISIS-Upd (%s): LSP %s received at level %d over circuit of"
+		 " type %s",
+		 circuit->area->area_tag,
+		 rawlspid_print (hdr->lsp_id),
+		 level, circuit_t2string (circuit->circuit_is_type));
+
+      return ISIS_WARNING;
+    }
 
   /* 7.3.15.1 a) 4 - need to make sure IDLength matches */
 
@@ -903,221 +1009,254 @@ process_lsp (int level, struct isis_circuit *circuit, u_char *ssnpa)
   /* 7.3.15.1 a) 7 - password check */
   (level == ISIS_LEVEL1) ? (passwd = &circuit->area->area_passwd) :
     (passwd = &circuit->area->domain_passwd);
-  if (passwd->type) {
-    if (isis_lsp_authinfo_check (circuit->rcv_stream, circuit->area,
-				 ntohs (hdr->pdu_len), passwd)) {
-      isis_event_auth_failure (circuit->area->area_tag,
-			       "LSP authentication failure",
-			       hdr->lsp_id);
-      return ISIS_WARNING;
+  if (passwd->type)
+    {
+      if (isis_lsp_authinfo_check (circuit->rcv_stream, circuit->area,
+				   ntohs (hdr->pdu_len), passwd))
+	{
+	  isis_event_auth_failure (circuit->area->area_tag,
+				   "LSP authentication failure", hdr->lsp_id);
+	  return ISIS_WARNING;
+	}
     }
-  }
   /* Find the LSP in our database and compare it to this Link State header */
   lsp = lsp_search (hdr->lsp_id, circuit->area->lspdb[level - 1]);
   if (lsp)
-    comp = lsp_compare (circuit->area->area_tag, lsp, hdr->seq_num, 
-                        hdr->checksum, hdr->rem_lifetime);
-  if (lsp && (lsp->own_lsp 
+    comp = lsp_compare (circuit->area->area_tag, lsp, hdr->seq_num,
+			hdr->checksum, hdr->rem_lifetime);
+  if (lsp && (lsp->own_lsp
 #ifdef TOPOLOGY_GENERATE
-              || lsp->from_topology
+	      || lsp->from_topology
 #endif /* TOPOLOGY_GENERATE */
-              ))
+      ))
     goto dontcheckadj;
 
   /* 7.3.15.1 a) 6 - Must check that we have an adjacency of the same level  */
   /* for broadcast circuits, snpa should be compared */
   /* FIXME : Point To Point */
 
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-    adj = isis_adj_lookup_snpa (ssnpa, circuit->u.bc.adjdb[level - 1]);
-    if (!adj) {
-      zlog_info ("(%s): DS ======= LSP %s, seq 0x%08x, cksum 0x%04x, "
-		 "lifetime %us on %s",
-		 circuit->area->area_tag,
-		 rawlspid_print (hdr->lsp_id),
-		 ntohl (hdr->seq_num),
-		 ntohs (hdr->checksum),
-		 ntohs (hdr->rem_lifetime), 
-		 circuit->interface->name);
-      return ISIS_WARNING; /* Silently discard */
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+    {
+      adj = isis_adj_lookup_snpa (ssnpa, circuit->u.bc.adjdb[level - 1]);
+      if (!adj)
+	{
+	  zlog_info ("(%s): DS ======= LSP %s, seq 0x%08x, cksum 0x%04x, "
+		     "lifetime %us on %s",
+		     circuit->area->area_tag,
+		     rawlspid_print (hdr->lsp_id),
+		     ntohl (hdr->seq_num),
+		     ntohs (hdr->checksum),
+		     ntohs (hdr->rem_lifetime), circuit->interface->name);
+	  return ISIS_WARNING;	/* Silently discard */
+	}
     }
-  }
 
   /* for non broadcast, we just need to find same level adj */
-  else {
-    /* If no adj, or no sharing of level */
-    if (!circuit->u.p2p.neighbor) {
-      return ISIS_OK; /* Silently discard */
-    } else {
-      if (((level == 1) && 
-           (circuit->u.p2p.neighbor->adj_usage == ISIS_ADJ_LEVEL2)) ||
-          ((level == 2) && 
-           (circuit->u.p2p.neighbor->adj_usage == ISIS_ADJ_LEVEL1)))
-      return ISIS_WARNING; /* Silently discard */
+  else
+    {
+      /* If no adj, or no sharing of level */
+      if (!circuit->u.p2p.neighbor)
+	{
+	  return ISIS_OK;	/* Silently discard */
+	}
+      else
+	{
+	  if (((level == 1) &&
+	       (circuit->u.p2p.neighbor->adj_usage == ISIS_ADJ_LEVEL2)) ||
+	      ((level == 2) &&
+	       (circuit->u.p2p.neighbor->adj_usage == ISIS_ADJ_LEVEL1)))
+	    return ISIS_WARNING;	/* Silently discard */
+	}
     }
-  }
- dontcheckadj:
+dontcheckadj:
   /* 7.3.15.1 a) 7 - Passwords for level 1 - not implemented  */
 
   /* 7.3.15.1 a) 8 - Passwords for level 2 - not implemented  */
 
-  /* 7.3.15.1 a) 9 - OriginatingLSPBufferSize - not implemented  FIXME: do it*/
-
-
-  /* 7.3.15.1 b) - If the remaining life time is 0, we perform 7.3.16.4*/
-  if (hdr->rem_lifetime == 0) {
-    if (!lsp) {
-      /* 7.3.16.4 a) 1) No LSP in db -> send an ack, but don't save */
-      /* only needed on explicit update, eg - p2p */
-      if (circuit->circ_type == CIRCUIT_T_P2P)
-        ack_lsp (hdr, circuit, level);
-      return retval; /* FIXME: do we need a purge? */
-    } else {
-      if (memcmp (hdr->lsp_id, isis->sysid, ISIS_SYS_ID_LEN )) {
-        /* LSP by some other system -> do 7.3.16.4 b) */
-        /* 7.3.16.4 b) 1)  */
-        if (comp == LSP_NEWER) {
-          lsp_update (lsp, hdr, circuit->rcv_stream, circuit->area);
-          /* ii */
-          ISIS_FLAGS_SET_ALL (lsp->SRMflags);   
-          /* iii */
-          ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
-          /* v */
-          ISIS_FLAGS_CLEAR_ALL(lsp->SSNflags); /* FIXME: OTHER than c */
-          /* iv */
-          if (circuit->circ_type != CIRCUIT_T_BROADCAST)
-            ISIS_SET_FLAG(lsp->SSNflags, circuit);
-
-        } /* 7.3.16.4 b) 2) */
-        else if (comp == LSP_EQUAL) {
-          /* i */
-          ISIS_CLEAR_FLAG(lsp->SRMflags, circuit);
-          /* ii*/
-          if (circuit->circ_type != CIRCUIT_T_BROADCAST)
-            ISIS_SET_FLAG(lsp->SSNflags, circuit);
-        }  /* 7.3.16.4 b) 3) */
-        else {
-          ISIS_SET_FLAG(lsp->SRMflags, circuit);
-          ISIS_CLEAR_FLAG(lsp->SSNflags, circuit);
-        }
-      } else {
-        /* our own LSP -> 7.3.16.4 c) */
-        if (LSP_PSEUDO_ID(lsp->lsp_header->lsp_id) != circuit->circuit_id ||
-            (LSP_PSEUDO_ID(lsp->lsp_header->lsp_id) == circuit->circuit_id &&
-             circuit->u.bc.is_dr[level - 1] == 1) ) { 
-          lsp->lsp_header->seq_num = htonl (ntohl (hdr->seq_num) + 1);
-          zlog_info ("LSP LEN: %d", ntohs (lsp->lsp_header->pdu_len));
-          iso_csum_create (STREAM_DATA (lsp->pdu) + 12, 
-                           ntohs (lsp->lsp_header->pdu_len) - 12, 12);
-          ISIS_FLAGS_SET_ALL (lsp->SRMflags);
-          zlog_info ("ISIS-Upd (%s): (1) re-originating LSP %s new seq 0x%08x",
-                     circuit->area->area_tag,
-                     rawlspid_print (hdr->lsp_id),
-                     ntohl (lsp->lsp_header->seq_num));
-          lsp->lsp_header->rem_lifetime = htons (isis_jitter 
-                                                 (circuit->area->
-                                                  max_lsp_lifetime[level-1],
-                                                  MAX_AGE_JITTER));
-
-        } else {
-          /* Got purge for own pseudo-lsp, and we are not DR  */
-            lsp_purge_dr (lsp->lsp_header->lsp_id, circuit, level);
-        } 
-      }
+  /* 7.3.15.1 a) 9 - OriginatingLSPBufferSize - not implemented  FIXME: do it */
+
+  /* 7.3.15.1 b) - If the remaining life time is 0, we perform 7.3.16.4 */
+  if (hdr->rem_lifetime == 0)
+    {
+      if (!lsp)
+	{
+	  /* 7.3.16.4 a) 1) No LSP in db -> send an ack, but don't save */
+	  /* only needed on explicit update, eg - p2p */
+	  if (circuit->circ_type == CIRCUIT_T_P2P)
+	    ack_lsp (hdr, circuit, level);
+	  return retval;	/* FIXME: do we need a purge? */
+	}
+      else
+	{
+	  if (memcmp (hdr->lsp_id, isis->sysid, ISIS_SYS_ID_LEN))
+	    {
+	      /* LSP by some other system -> do 7.3.16.4 b) */
+	      /* 7.3.16.4 b) 1)  */
+	      if (comp == LSP_NEWER)
+		{
+		  lsp_update (lsp, hdr, circuit->rcv_stream, circuit->area);
+		  /* ii */
+		  ISIS_FLAGS_SET_ALL (lsp->SRMflags);
+		  /* iii */
+		  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+		  /* v */
+		  ISIS_FLAGS_CLEAR_ALL (lsp->SSNflags);	/* FIXME: OTHER than c */
+		  /* iv */
+		  if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+		    ISIS_SET_FLAG (lsp->SSNflags, circuit);
+
+		}		/* 7.3.16.4 b) 2) */
+	      else if (comp == LSP_EQUAL)
+		{
+		  /* i */
+		  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+		  /* ii */
+		  if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+		    ISIS_SET_FLAG (lsp->SSNflags, circuit);
+		}		/* 7.3.16.4 b) 3) */
+	      else
+		{
+		  ISIS_SET_FLAG (lsp->SRMflags, circuit);
+		  ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
+		}
+	    }
+	  else
+	    {
+	      /* our own LSP -> 7.3.16.4 c) */
+	      if (LSP_PSEUDO_ID (lsp->lsp_header->lsp_id) !=
+		  circuit->circuit_id
+		  || (LSP_PSEUDO_ID (lsp->lsp_header->lsp_id) ==
+		      circuit->circuit_id
+		      && circuit->u.bc.is_dr[level - 1] == 1))
+		{
+		  lsp->lsp_header->seq_num = htonl (ntohl (hdr->seq_num) + 1);
+		  zlog_info ("LSP LEN: %d", ntohs (lsp->lsp_header->pdu_len));
+		  iso_csum_create (STREAM_DATA (lsp->pdu) + 12,
+				   ntohs (lsp->lsp_header->pdu_len) - 12, 12);
+		  ISIS_FLAGS_SET_ALL (lsp->SRMflags);
+		  zlog_info
+		    ("ISIS-Upd (%s): (1) re-originating LSP %s new seq 0x%08x",
+		     circuit->area->area_tag, rawlspid_print (hdr->lsp_id),
+		     ntohl (lsp->lsp_header->seq_num));
+		  lsp->lsp_header->rem_lifetime =
+		    htons (isis_jitter
+			   (circuit->area->max_lsp_lifetime[level - 1],
+			    MAX_AGE_JITTER));
+		}
+	      else
+		{
+		  /* Got purge for own pseudo-lsp, and we are not DR  */
+		  lsp_purge_dr (lsp->lsp_header->lsp_id, circuit, level);
+		}
+	    }
+	}
+      return retval;
     }
-    return retval;
-  }
   /* 7.3.15.1 c) - If this is our own lsp and we don't have it initiate a 
    * purge */
-  if (memcmp (hdr->lsp_id, isis->sysid, ISIS_SYS_ID_LEN ) == 0) {
-    if (!lsp) {
-    /* 7.3.16.4: initiate a purge */
-      lsp_purge_non_exist (hdr, circuit->area);
-      return ISIS_OK;
-    }
-    /* 7.3.15.1 d) - If this is our own lsp and we have it */
-
-    /* In 7.3.16.1, If an Intermediate system R somewhere in the domain
-     * has information that the current sequence number for source S is
-     * "greater" than that held by S, ... */
-
-    else if (ntohl (hdr->seq_num) > ntohl (lsp->lsp_header->seq_num)) {
-      /* 7.3.16.1  */
-      lsp->lsp_header->seq_num = htonl (ntohl (hdr->seq_num) + 1);
-
-      iso_csum_create (STREAM_DATA (lsp->pdu) + 12, 
-                       ntohs(lsp->lsp_header->pdu_len) - 12, 12);
-
-      ISIS_FLAGS_SET_ALL (lsp->SRMflags);
-      zlog_info ("ISIS-Upd (%s): (2) re-originating LSP %s new seq 0x%08x",
-                 circuit->area->area_tag,
-                 rawlspid_print (hdr->lsp_id),
-                 ntohl (lsp->lsp_header->seq_num));
-      lsp->lsp_header->rem_lifetime = htons (isis_jitter 
-                                             (circuit->
-                                              area->max_lsp_lifetime[level-1],
-                                              MAX_AGE_JITTER));
-
+  if (memcmp (hdr->lsp_id, isis->sysid, ISIS_SYS_ID_LEN) == 0)
+    {
+      if (!lsp)
+	{
+	  /* 7.3.16.4: initiate a purge */
+	  lsp_purge_non_exist (hdr, circuit->area);
+	  return ISIS_OK;
+	}
+      /* 7.3.15.1 d) - If this is our own lsp and we have it */
+
+      /* In 7.3.16.1, If an Intermediate system R somewhere in the domain
+       * has information that the current sequence number for source S is
+       * "greater" than that held by S, ... */
+
+      else if (ntohl (hdr->seq_num) > ntohl (lsp->lsp_header->seq_num))
+	{
+	  /* 7.3.16.1  */
+	  lsp->lsp_header->seq_num = htonl (ntohl (hdr->seq_num) + 1);
+
+	  iso_csum_create (STREAM_DATA (lsp->pdu) + 12,
+			   ntohs (lsp->lsp_header->pdu_len) - 12, 12);
+
+	  ISIS_FLAGS_SET_ALL (lsp->SRMflags);
+	  zlog_info
+	    ("ISIS-Upd (%s): (2) re-originating LSP %s new seq 0x%08x",
+	     circuit->area->area_tag, rawlspid_print (hdr->lsp_id),
+	     ntohl (lsp->lsp_header->seq_num));
+	  lsp->lsp_header->rem_lifetime =
+	    htons (isis_jitter
+		   (circuit->area->max_lsp_lifetime[level - 1],
+		    MAX_AGE_JITTER));
+	}
     }
-  } else {
-  /* 7.3.15.1 e) - This lsp originated on another system */
-
-    /* 7.3.15.1 e) 1) LSP newer than the one in db or no LSP in db */
-    if ((!lsp || comp == LSP_NEWER)){
-      /* i */
-      if (lsp) {
+  else
+    {
+      /* 7.3.15.1 e) - This lsp originated on another system */
+
+      /* 7.3.15.1 e) 1) LSP newer than the one in db or no LSP in db */
+      if ((!lsp || comp == LSP_NEWER))
+	{
+	  /* i */
+	  if (lsp)
+	    {
 #ifdef EXTREME_DEBUG
-        zlog_info ("level %d number is - %ld", level, 
-                   circuit->area->lspdb[level-1]->dict_nodecount);
+	      zlog_info ("level %d number is - %ld", level,
+			 circuit->area->lspdb[level - 1]->dict_nodecount);
 #endif /* EXTREME DEBUG */
-        lsp_search_and_destroy (hdr->lsp_id, circuit->area->lspdb[level-1]);
-        /* exists, so we overwrite */
+	      lsp_search_and_destroy (hdr->lsp_id,
+				      circuit->area->lspdb[level - 1]);
+	      /* exists, so we overwrite */
 #ifdef EXTREME_DEBUG
-        zlog_info ("level %d number is - %ld",level, 
-                   circuit->area->lspdb[level-1]->dict_nodecount);
+	      zlog_info ("level %d number is - %ld", level,
+			 circuit->area->lspdb[level - 1]->dict_nodecount);
 #endif /* EXTREME DEBUG */
-      }
-      /*
-       * If this lsp is a frag, need to see if we have zero lsp present
-       */
-      if (LSP_FRAGMENT (hdr->lsp_id) != 0) {
-        memcpy (lspid, hdr->lsp_id, ISIS_SYS_ID_LEN + 1);
-        LSP_FRAGMENT (lspid) = 0;
-        lsp0 = lsp_search (lspid, circuit->area->lspdb[level - 1]);
-        if (!lsp0) {
-          zlog_info ("Got lsp frag, while zero lsp not database");
-          return ISIS_OK;
-        }
-      }
-      lsp = lsp_new_from_stream_ptr (circuit->rcv_stream, ntohs (hdr->pdu_len),
-                                     lsp0, circuit->area);
-      lsp->level = level;
-      lsp->adj = adj;
-      lsp_insert (lsp, circuit->area->lspdb[level-1]);
-      /* ii */
-      ISIS_FLAGS_SET_ALL (lsp->SRMflags);
-      /* iii */
-      ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
-
-      /* iv */
-      if (circuit->circ_type != CIRCUIT_T_BROADCAST)
-        ISIS_SET_FLAG (lsp->SSNflags, circuit);
-      /* FIXME: v) */
-    }
-    /* 7.3.15.1 e) 2) LSP equal to the one in db */
-    else if (comp == LSP_EQUAL) {
-      ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
-      lsp_update (lsp, hdr, circuit->rcv_stream, circuit->area);
-      if (circuit->circ_type != CIRCUIT_T_BROADCAST) {
-        ISIS_SET_FLAG (lsp->SSNflags, circuit);
-      }
-    }
-    /* 7.3.15.1 e) 3) LSP older than the one in db */
-    else {
-      ISIS_SET_FLAG(lsp->SRMflags, circuit);
-      ISIS_CLEAR_FLAG(lsp->SSNflags, circuit);
+	    }
+	  /*
+	   * If this lsp is a frag, need to see if we have zero lsp present
+	   */
+	  if (LSP_FRAGMENT (hdr->lsp_id) != 0)
+	    {
+	      memcpy (lspid, hdr->lsp_id, ISIS_SYS_ID_LEN + 1);
+	      LSP_FRAGMENT (lspid) = 0;
+	      lsp0 = lsp_search (lspid, circuit->area->lspdb[level - 1]);
+	      if (!lsp0)
+		{
+		  zlog_info ("Got lsp frag, while zero lsp not database");
+		  return ISIS_OK;
+		}
+	    }
+	  lsp =
+	    lsp_new_from_stream_ptr (circuit->rcv_stream,
+				     ntohs (hdr->pdu_len), lsp0,
+				     circuit->area);
+	  lsp->level = level;
+	  lsp->adj = adj;
+	  lsp_insert (lsp, circuit->area->lspdb[level - 1]);
+	  /* ii */
+	  ISIS_FLAGS_SET_ALL (lsp->SRMflags);
+	  /* iii */
+	  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+
+	  /* iv */
+	  if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+	    ISIS_SET_FLAG (lsp->SSNflags, circuit);
+	  /* FIXME: v) */
+	}
+      /* 7.3.15.1 e) 2) LSP equal to the one in db */
+      else if (comp == LSP_EQUAL)
+	{
+	  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+	  lsp_update (lsp, hdr, circuit->rcv_stream, circuit->area);
+	  if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+	    {
+	      ISIS_SET_FLAG (lsp->SSNflags, circuit);
+	    }
+	}
+      /* 7.3.15.1 e) 3) LSP older than the one in db */
+      else
+	{
+	  ISIS_SET_FLAG (lsp->SRMflags, circuit);
+	  ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
+	}
     }
-  }
   if (lsp)
     lsp->adj = adj;
   return retval;
@@ -1130,8 +1269,8 @@ process_lsp (int level, struct isis_circuit *circuit, u_char *ssnpa)
  */
 
 int
-process_snp (int snp_type, int level, struct isis_circuit *circuit, 
-             u_char *ssnpa)
+process_snp (int snp_type, int level, struct isis_circuit *circuit,
+	     u_char * ssnpa)
 {
   int retval = ISIS_OK;
   int cmp, own_lsp;
@@ -1143,76 +1282,82 @@ process_snp (int snp_type, int level, struct isis_circuit *circuit,
   uint32_t found = 0, expected = 0;
   struct isis_lsp *lsp;
   struct lsp_entry *entry;
-  struct listnode *node,*node2;
+  struct listnode *node, *node2;
   struct tlvs tlvs;
   struct list *lsp_list = NULL;
   struct isis_passwd *passwd;
 
-  if (snp_type == ISIS_SNP_CSNP_FLAG) {
-  /* getting the header info */
-    typechar = 'C';
-    chdr = (struct isis_complete_seqnum_hdr*)STREAM_PNT(circuit->rcv_stream);
-    circuit->rcv_stream->getp += ISIS_CSNP_HDRLEN;
-    len = ntohs(chdr->pdu_len);
-    if (len < ISIS_CSNP_HDRLEN) {
-      zlog_warn ("Received a CSNP with bogus length!");
-      return ISIS_OK;
+  if (snp_type == ISIS_SNP_CSNP_FLAG)
+    {
+      /* getting the header info */
+      typechar = 'C';
+      chdr =
+	(struct isis_complete_seqnum_hdr *) STREAM_PNT (circuit->rcv_stream);
+      circuit->rcv_stream->getp += ISIS_CSNP_HDRLEN;
+      len = ntohs (chdr->pdu_len);
+      if (len < ISIS_CSNP_HDRLEN)
+	{
+	  zlog_warn ("Received a CSNP with bogus length!");
+	  return ISIS_OK;
+	}
     }
-  } else {
-    typechar = 'P';
-    phdr = (struct isis_partial_seqnum_hdr*)STREAM_PNT(circuit->rcv_stream);
-    circuit->rcv_stream->getp += ISIS_PSNP_HDRLEN;
-    len = ntohs(phdr->pdu_len);
-    if (len < ISIS_PSNP_HDRLEN) {
-      zlog_warn ("Received a CSNP with bogus length!");
-      return ISIS_OK;
+  else
+    {
+      typechar = 'P';
+      phdr =
+	(struct isis_partial_seqnum_hdr *) STREAM_PNT (circuit->rcv_stream);
+      circuit->rcv_stream->getp += ISIS_PSNP_HDRLEN;
+      len = ntohs (phdr->pdu_len);
+      if (len < ISIS_PSNP_HDRLEN)
+	{
+	  zlog_warn ("Received a CSNP with bogus length!");
+	  return ISIS_OK;
+	}
     }
-  }
 
   /* 7.3.15.2 a) 1 - external domain circuit will discard snp pdu */
-  if (circuit->ext_domain) {
+  if (circuit->ext_domain)
+    {
 
-    zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP on %s, "
-	       "skipping: circuit externalDomain = true",
-	       circuit->area->area_tag,
-	       level,
-	       typechar,
-	       circuit->interface->name);
+      zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP on %s, "
+		 "skipping: circuit externalDomain = true",
+		 circuit->area->area_tag,
+		 level, typechar, circuit->interface->name);
 
-    return ISIS_OK;
-  }
+      return ISIS_OK;
+    }
 
   /* 7.3.15.2 a) 2,3 - manualL2OnlyMode not implemented */
-  if (!accept_level (level, circuit->circuit_is_type)) {
-
-    zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP on %s, "
-	       "skipping: circuit type %s does not match level %d",
-	       circuit->area->area_tag,
-	       level, 
-               typechar,
-	       circuit->interface->name,
-	       circuit_t2string (circuit->circuit_is_type),
-	       level);
-
-    return ISIS_OK;
-  }
-
-  /* 7.3.15.2 a) 4 - not applicable for CSNP  only PSNPs on broadcast */
-  if ((snp_type == ISIS_SNP_PSNP_FLAG) && 
-      (circuit->circ_type == CIRCUIT_T_BROADCAST)) {
-    if (!circuit->u.bc.is_dr[level-1]) {
+  if (!accept_level (level, circuit->circuit_is_type))
+    {
 
-      zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP from %s on %s, "
-		 "skipping: we are not the DIS",
+      zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP on %s, "
+		 "skipping: circuit type %s does not match level %d",
 		 circuit->area->area_tag,
-                 level,
+		 level,
 		 typechar,
-		 snpa_print(ssnpa),
-		 circuit->interface->name);
+		 circuit->interface->name,
+		 circuit_t2string (circuit->circuit_is_type), level);
 
       return ISIS_OK;
     }
-  }
+
+  /* 7.3.15.2 a) 4 - not applicable for CSNP  only PSNPs on broadcast */
+  if ((snp_type == ISIS_SNP_PSNP_FLAG) &&
+      (circuit->circ_type == CIRCUIT_T_BROADCAST))
+    {
+      if (!circuit->u.bc.is_dr[level - 1])
+	{
+
+	  zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP from %s on %s, "
+		     "skipping: we are not the DIS",
+		     circuit->area->area_tag,
+		     level,
+		     typechar, snpa_print (ssnpa), circuit->interface->name);
+
+	  return ISIS_OK;
+	}
+    }
 
   /* 7.3.15.2 a) 5 - need to make sure IDLength matches - already checked */
 
@@ -1222,19 +1367,27 @@ process_snp (int snp_type, int level, struct isis_circuit *circuit,
   /* 7.3.15.2 a) 7 - Must check that we have an adjacency of the same level  */
   /* for broadcast circuits, snpa should be compared */
   /* FIXME : Do we need to check SNPA? */
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-    if (snp_type == ISIS_SNP_CSNP_FLAG) {
-      adj = isis_adj_lookup (chdr->source_id, circuit->u.bc.adjdb[level - 1]);
-    } else {
-      /* a psnp on a broadcast, how lovely of Juniper :) */
-      adj = isis_adj_lookup (phdr->source_id, circuit->u.bc.adjdb[level - 1]);
-    }
-    if (!adj)
-      return ISIS_OK; /* Silently discard */
-  } else {
-    if (!circuit->u.p2p.neighbor)
-      return ISIS_OK; /* Silently discard */
-  }
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+    {
+      if (snp_type == ISIS_SNP_CSNP_FLAG)
+	{
+	  adj =
+	    isis_adj_lookup (chdr->source_id, circuit->u.bc.adjdb[level - 1]);
+	}
+      else
+	{
+	  /* a psnp on a broadcast, how lovely of Juniper :) */
+	  adj =
+	    isis_adj_lookup (phdr->source_id, circuit->u.bc.adjdb[level - 1]);
+	}
+      if (!adj)
+	return ISIS_OK;		/* Silently discard */
+    }
+  else
+    {
+      if (!circuit->u.p2p.neighbor)
+	return ISIS_OK;		/* Silently discard */
+    }
 
   /* 7.3.15.2 a) 8 - Passwords for level 1 - not implemented  */
 
@@ -1246,163 +1399,183 @@ process_snp (int snp_type, int level, struct isis_circuit *circuit,
   expected |= TLVFLAG_LSP_ENTRIES;
   expected |= TLVFLAG_AUTH_INFO;
   retval = parse_tlvs (circuit->area->area_tag,
-		       STREAM_PNT(circuit->rcv_stream),
+		       STREAM_PNT (circuit->rcv_stream),
 		       len - circuit->rcv_stream->getp,
-		       &expected,
-		       &found,
-		       &tlvs);
+		       &expected, &found, &tlvs);
 
-  if (retval > ISIS_WARNING) {
-    zlog_warn ("something went very wrong processing SNP");
-    free_tlvs (&tlvs);
-    return retval;
-  }
+  if (retval > ISIS_WARNING)
+    {
+      zlog_warn ("something went very wrong processing SNP");
+      free_tlvs (&tlvs);
+      return retval;
+    }
 
   (level == 1) ? (passwd = &circuit->area->area_passwd) :
-		  (passwd = &circuit->area->domain_passwd);
-  if (passwd->type) {
-    if (!(found & TLVFLAG_AUTH_INFO) ||
-	authentication_check (passwd, &tlvs.auth_info)) {
-      isis_event_auth_failure (circuit->area->area_tag, "SNP authentication"
-			       " failure", phdr ?
-			       phdr->source_id : chdr->source_id);
-      return ISIS_OK;
-    } 
-  }
+    (passwd = &circuit->area->domain_passwd);
+  if (passwd->type)
+    {
+      if (!(found & TLVFLAG_AUTH_INFO) ||
+	  authentication_check (passwd, &tlvs.auth_info))
+	{
+	  isis_event_auth_failure (circuit->area->area_tag,
+				   "SNP authentication" " failure",
+				   phdr ? phdr->source_id : chdr->source_id);
+	  return ISIS_OK;
+	}
+    }
 
   /* debug isis snp-packets */
-  if (isis->debugs & DEBUG_SNP_PACKETS) {
-    zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP from %s on %s", 
-               circuit->area->area_tag,
-	       level,
-	       typechar,
-	       snpa_print(ssnpa),
-               circuit->interface->name);
-    if (tlvs.lsp_entries) {
-      LIST_LOOP (tlvs.lsp_entries,entry,node) {
-        zlog_info("ISIS-Snp (%s):         %cSNP entry %s, seq 0x%08x,"
-                  " cksum 0x%04x, lifetime %us", 
-                  circuit->area->area_tag,
-                  typechar, 
-                  rawlspid_print (entry->lsp_id),
-                  ntohl (entry->seq_num),
-                  ntohs (entry->checksum),
-                  ntohs (entry->rem_lifetime));
-      }
+  if (isis->debugs & DEBUG_SNP_PACKETS)
+    {
+      zlog_info ("ISIS-Snp (%s): Rcvd L%d %cSNP from %s on %s",
+		 circuit->area->area_tag,
+		 level,
+		 typechar, snpa_print (ssnpa), circuit->interface->name);
+      if (tlvs.lsp_entries)
+	{
+	  LIST_LOOP (tlvs.lsp_entries, entry, node)
+	  {
+	    zlog_info ("ISIS-Snp (%s):         %cSNP entry %s, seq 0x%08x,"
+		       " cksum 0x%04x, lifetime %us",
+		       circuit->area->area_tag,
+		       typechar,
+		       rawlspid_print (entry->lsp_id),
+		       ntohl (entry->seq_num),
+		       ntohs (entry->checksum), ntohs (entry->rem_lifetime));
+	  }
+	}
     }
-  }
 
   /* 7.3.15.2 b) Actions on LSP_ENTRIES reported */
-  if (tlvs.lsp_entries) {
-    LIST_LOOP (tlvs.lsp_entries, entry, node) {
-      lsp = lsp_search (entry->lsp_id, circuit->area->lspdb[level - 1]);
-      own_lsp = !memcmp (entry->lsp_id, isis->sysid, ISIS_SYS_ID_LEN);
-      if (lsp) {
-        /* 7.3.15.2 b) 1) is this LSP newer */
-        cmp = lsp_compare (circuit->area->area_tag, lsp, entry->seq_num, 
-                           entry->checksum, entry->rem_lifetime);
-        /* 7.3.15.2 b) 2) if it equals, clear SRM on p2p */
-        if (cmp == LSP_EQUAL) {
-          if (circuit->circ_type != CIRCUIT_T_BROADCAST) 
-            ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
-          /* 7.3.15.2 b) 3) if it is older, clear SSN and set SRM */
-        } else if (cmp == LSP_OLDER) {
-          ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
-        ISIS_SET_FLAG (lsp->SRMflags, circuit);
-        } else {
-          /* 7.3.15.2 b) 4) if it is newer, set SSN and clear SRM on p2p*/
-          if (own_lsp) {
-            lsp_inc_seqnum (lsp, ntohl (entry->seq_num));
-            ISIS_SET_FLAG (lsp->SRMflags, circuit);
-          } else {
-            ISIS_SET_FLAG (lsp->SSNflags, circuit);
-            if (circuit->circ_type != CIRCUIT_T_BROADCAST)
-            ISIS_CLEAR_FLAG (lsp->SRMflags, circuit); 
-          }
-        }
-      } else {
-        /* 7.3.15.2 b) 5) if it was not found, and all of those are not 0, 
-         * insert it and set SSN on it */
-        if (entry->rem_lifetime && entry->checksum && entry->seq_num && 
-            memcmp (entry->lsp_id, isis->sysid, ISIS_SYS_ID_LEN)) {
-          lsp = lsp_new (entry->lsp_id, ntohs (entry->rem_lifetime),
-                       0, 0, entry->checksum, level);
-          lsp_insert (lsp, circuit->area->lspdb[level - 1]);
-          ISIS_SET_FLAG (lsp->SSNflags, circuit);
-        }
+  if (tlvs.lsp_entries)
+    {
+      LIST_LOOP (tlvs.lsp_entries, entry, node)
+      {
+	lsp = lsp_search (entry->lsp_id, circuit->area->lspdb[level - 1]);
+	own_lsp = !memcmp (entry->lsp_id, isis->sysid, ISIS_SYS_ID_LEN);
+	if (lsp)
+	  {
+	    /* 7.3.15.2 b) 1) is this LSP newer */
+	    cmp = lsp_compare (circuit->area->area_tag, lsp, entry->seq_num,
+			       entry->checksum, entry->rem_lifetime);
+	    /* 7.3.15.2 b) 2) if it equals, clear SRM on p2p */
+	    if (cmp == LSP_EQUAL)
+	      {
+		if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+		  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+		/* 7.3.15.2 b) 3) if it is older, clear SSN and set SRM */
+	      }
+	    else if (cmp == LSP_OLDER)
+	      {
+		ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
+		ISIS_SET_FLAG (lsp->SRMflags, circuit);
+	      }
+	    else
+	      {
+		/* 7.3.15.2 b) 4) if it is newer, set SSN and clear SRM
+		 * on p2p */
+		if (own_lsp)
+		  {
+		    lsp_inc_seqnum (lsp, ntohl (entry->seq_num));
+		    ISIS_SET_FLAG (lsp->SRMflags, circuit);
+		  }
+		else
+		  {
+		    ISIS_SET_FLAG (lsp->SSNflags, circuit);
+		    if (circuit->circ_type != CIRCUIT_T_BROADCAST)
+		      ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+		  }
+	      }
+	  }
+	else
+	  {
+	    /* 7.3.15.2 b) 5) if it was not found, and all of those are not 0, 
+	     * insert it and set SSN on it */
+	    if (entry->rem_lifetime && entry->checksum && entry->seq_num &&
+		memcmp (entry->lsp_id, isis->sysid, ISIS_SYS_ID_LEN))
+	      {
+		lsp = lsp_new (entry->lsp_id, ntohs (entry->rem_lifetime),
+			       0, 0, entry->checksum, level);
+		lsp_insert (lsp, circuit->area->lspdb[level - 1]);
+		ISIS_SET_FLAG (lsp->SSNflags, circuit);
+	      }
+	  }
       }
     }
-  }
 
   /* 7.3.15.2 c) on CSNP set SRM for all in range which were not reported */
-  if (snp_type == ISIS_SNP_CSNP_FLAG) {
-    /*
-     * Build a list from our own LSP db bounded with start_ and stop_lsp_id
-     */
-    lsp_list = list_new ();
-    lsp_build_list_nonzero_ht (chdr->start_lsp_id, chdr->stop_lsp_id, 
-                               lsp_list, circuit->area->lspdb[level - 1]);
-
-    /* Fixme: Find a better solution */
-    if (tlvs.lsp_entries) {
-      LIST_LOOP (tlvs.lsp_entries, entry, node) {
-        LIST_LOOP (lsp_list, lsp, node2) {
-          if (lsp_id_cmp (lsp->lsp_header->lsp_id, entry->lsp_id) == 0) {
-            list_delete_node (lsp_list, node2);
-          break;
-          }
-        }
+  if (snp_type == ISIS_SNP_CSNP_FLAG)
+    {
+      /*
+       * Build a list from our own LSP db bounded with start_ and stop_lsp_id
+       */
+      lsp_list = list_new ();
+      lsp_build_list_nonzero_ht (chdr->start_lsp_id, chdr->stop_lsp_id,
+				 lsp_list, circuit->area->lspdb[level - 1]);
+
+      /* Fixme: Find a better solution */
+      if (tlvs.lsp_entries)
+	{
+	  LIST_LOOP (tlvs.lsp_entries, entry, node)
+	  {
+	    LIST_LOOP (lsp_list, lsp, node2)
+	    {
+	      if (lsp_id_cmp (lsp->lsp_header->lsp_id, entry->lsp_id) == 0)
+		{
+		  list_delete_node (lsp_list, node2);
+		  break;
+		}
+	    }
+	  }
+	}
+      /* on remaining LSPs we set SRM (neighbor knew not of) */
+      LIST_LOOP (lsp_list, lsp, node2)
+      {
+	ISIS_SET_FLAG (lsp->SRMflags, circuit);
       }
+      /* lets free it */
+      list_free (lsp_list);
     }
-    /* on remaining LSPs we set SRM (neighbor knew not of) */
-    LIST_LOOP (lsp_list, lsp, node2) {
-      ISIS_SET_FLAG (lsp->SRMflags, circuit);
-    }
-    /* lets free it */
-    list_free (lsp_list);
-  }
 
   free_tlvs (&tlvs);
   return retval;
 }
 
 int
-process_csnp (int level, struct isis_circuit *circuit, u_char *ssnpa)
+process_csnp (int level, struct isis_circuit *circuit, u_char * ssnpa)
 {
-
   /* Sanity check - FIXME: move to correct place */
-  if ((stream_get_endp (circuit->rcv_stream) - 
-       stream_get_getp (circuit->rcv_stream)) < ISIS_CSNP_HDRLEN) {
-    zlog_warn ("Packet too short ( < %d)",  ISIS_CSNP_HDRLEN);
-    return ISIS_WARNING;
-  }
+  if ((stream_get_endp (circuit->rcv_stream) -
+       stream_get_getp (circuit->rcv_stream)) < ISIS_CSNP_HDRLEN)
+    {
+      zlog_warn ("Packet too short ( < %d)", ISIS_CSNP_HDRLEN);
+      return ISIS_WARNING;
+    }
 
   return process_snp (ISIS_SNP_CSNP_FLAG, level, circuit, ssnpa);
 }
 
-int 
-process_psnp (int level, struct isis_circuit *circuit, u_char *ssnpa)
+int
+process_psnp (int level, struct isis_circuit *circuit, u_char * ssnpa)
 {
-
-  if ((stream_get_endp (circuit->rcv_stream) - 
-       stream_get_getp (circuit->rcv_stream)) < ISIS_PSNP_HDRLEN) {
-    zlog_warn ("Packet too short");
-    return ISIS_WARNING;
-  }
+  if ((stream_get_endp (circuit->rcv_stream) -
+       stream_get_getp (circuit->rcv_stream)) < ISIS_PSNP_HDRLEN)
+    {
+      zlog_warn ("Packet too short");
+      return ISIS_WARNING;
+    }
 
   return process_snp (ISIS_SNP_PSNP_FLAG, level, circuit, ssnpa);
 }
 
-
-
 /*
  * Process ISH
  * ISO - 10589
  * Section 8.2.2 - Receiving ISH PDUs by an intermediate system
  * FIXME: sample packet dump, need to figure 0x81 - looks like NLPid
-            0x82	0x15	0x01	0x00	0x04	0x01	0x2c	0x59
-            0x38	0x08	0x47	0x00	0x01	0x00	0x02	0x00
-          	0x03	0x00	0x81	0x01	0xcc
+ *           0x82	0x15	0x01	0x00	0x04	0x01	0x2c	0x59
+ *           0x38	0x08	0x47	0x00	0x01	0x00	0x02	0x00
+ *           0x03	0x00	0x81	0x01	0xcc
  */
 int
 process_is_hello (struct isis_circuit *circuit)
@@ -1419,172 +1592,185 @@ process_is_hello (struct isis_circuit *circuit)
     return retval;
 
   neigh_len = stream_getc (circuit->rcv_stream);
-  sysid = STREAM_PNT(circuit->rcv_stream) + neigh_len - 1 - ISIS_SYS_ID_LEN;
+  sysid = STREAM_PNT (circuit->rcv_stream) + neigh_len - 1 - ISIS_SYS_ID_LEN;
   adj = circuit->u.p2p.neighbor;
-  if (!adj) {
-    /* 8.2.2 */
-    adj = isis_new_adj (sysid, "      ", 0, circuit);
-    if (adj == NULL)
-      return ISIS_ERROR;
-
-    isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
-    adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
-    circuit->u.p2p.neighbor = adj;
-  }
-  /* 8.2.2 a)*/
-  if ((adj->adj_state == ISIS_ADJ_UP) && memcmp (adj->sysid,sysid,
-                                                 ISIS_SYS_ID_LEN)) {
-    /* 8.2.2 a) 1) FIXME: adjStateChange(down) event */
-    /* 8.2.2 a) 2) delete the adj */
-    XFREE (MTYPE_ISIS_ADJACENCY, adj);
-    /* 8.2.2 a) 3) create a new adj */
-    adj = isis_new_adj (sysid, "      ", 0, circuit);
-    if (adj == NULL)
-      return ISIS_ERROR;
+  if (!adj)
+    {
+      /* 8.2.2 */
+      adj = isis_new_adj (sysid, "      ", 0, circuit);
+      if (adj == NULL)
+	return ISIS_ERROR;
 
-    /* 8.2.2 a) 3) i */
-    isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
-    /* 8.2.2 a) 3) ii */
-    adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
-    /* 8.2.2 a) 4) quite meaningless */
-  }
+      isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
+      adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
+      circuit->u.p2p.neighbor = adj;
+    }
+  /* 8.2.2 a) */
+  if ((adj->adj_state == ISIS_ADJ_UP) && memcmp (adj->sysid, sysid,
+						 ISIS_SYS_ID_LEN))
+    {
+      /* 8.2.2 a) 1) FIXME: adjStateChange(down) event */
+      /* 8.2.2 a) 2) delete the adj */
+      XFREE (MTYPE_ISIS_ADJACENCY, adj);
+      /* 8.2.2 a) 3) create a new adj */
+      adj = isis_new_adj (sysid, "      ", 0, circuit);
+      if (adj == NULL)
+	return ISIS_ERROR;
+
+      /* 8.2.2 a) 3) i */
+      isis_adj_state_change (adj, ISIS_ADJ_INITIALIZING, NULL);
+      /* 8.2.2 a) 3) ii */
+      adj->sys_type = ISIS_SYSTYPE_UNKNOWN;
+      /* 8.2.2 a) 4) quite meaningless */
+    }
   /* 8.2.2 b) ignore on condition */
-  if ((adj->adj_state == ISIS_ADJ_INITIALIZING) && 
-      (adj->sys_type == ISIS_SYSTYPE_IS)) {
-    /* do nothing */
-  } else {
-  /* 8.2.2 c) respond with a p2p IIH */
-    send_hello (circuit, 1);
-  }
+  if ((adj->adj_state == ISIS_ADJ_INITIALIZING) &&
+      (adj->sys_type == ISIS_SYSTYPE_IS))
+    {
+      /* do nothing */
+    }
+  else
+    {
+      /* 8.2.2 c) respond with a p2p IIH */
+      send_hello (circuit, 1);
+    }
   /* 8.2.2 d) type is IS */
-    adj->sys_type = ISIS_SYSTYPE_IS;
+  adj->sys_type = ISIS_SYSTYPE_IS;
   /* 8.2.2 e) FIXME: Circuit type of? */
 
-
   return retval;
 }
 
-
 /*
  * PDU Dispatcher
  */
 
-int 
-isis_handle_pdu (struct isis_circuit *circuit, u_char *ssnpa)
+int
+isis_handle_pdu (struct isis_circuit *circuit, u_char * ssnpa)
 {
-
   struct isis_fixed_hdr *hdr;
   struct esis_fixed_hdr *esis_hdr;
 
-  int retval=ISIS_OK;
+  int retval = ISIS_OK;
 
   /*
    * Let's first read data from stream to the header
    */
-  hdr = (struct isis_fixed_hdr*)STREAM_DATA(circuit->rcv_stream);
+  hdr = (struct isis_fixed_hdr *) STREAM_DATA (circuit->rcv_stream);
 
-  if ((hdr->idrp != ISO10589_ISIS) && (hdr->idrp != ISO9542_ESIS)){
-    zlog_warn ("Not an IS-IS or ES-IS packet IDRP=%02x", hdr->idrp);
-    return ISIS_ERROR;
-  }
+  if ((hdr->idrp != ISO10589_ISIS) && (hdr->idrp != ISO9542_ESIS))
+    {
+      zlog_warn ("Not an IS-IS or ES-IS packet IDRP=%02x", hdr->idrp);
+      return ISIS_ERROR;
+    }
 
   /* now we need to know if this is an ISO 9542 packet and
    * take real good care of it, waaa!
    */
-  if (hdr->idrp == ISO9542_ESIS){
-    esis_hdr = (struct esis_fixed_hdr*)STREAM_DATA(circuit->rcv_stream);
-    stream_set_getp (circuit->rcv_stream, ESIS_FIXED_HDR_LEN);
-    /* FIXME: Need to do some acceptence tests */
-    /* example length... */
-    switch (esis_hdr->pdu_type) {
-      case ESH_PDU:
-        /* FIXME */
-        break;
-      case ISH_PDU:
-        zlog_info ("AN ISH PDU!!");
-        retval = process_is_hello (circuit);
-        break;
-      default:
-        return ISIS_ERROR;
-      }
-    return retval;
-  } else {
-    stream_set_getp (circuit->rcv_stream, ISIS_FIXED_HDR_LEN);
-  }
+  if (hdr->idrp == ISO9542_ESIS)
+    {
+      esis_hdr = (struct esis_fixed_hdr *) STREAM_DATA (circuit->rcv_stream);
+      stream_set_getp (circuit->rcv_stream, ESIS_FIXED_HDR_LEN);
+      /* FIXME: Need to do some acceptence tests */
+      /* example length... */
+      switch (esis_hdr->pdu_type)
+	{
+	case ESH_PDU:
+	  /* FIXME */
+	  break;
+	case ISH_PDU:
+	  zlog_info ("AN ISH PDU!!");
+	  retval = process_is_hello (circuit);
+	  break;
+	default:
+	  return ISIS_ERROR;
+	}
+      return retval;
+    }
+  else
+    {
+      stream_set_getp (circuit->rcv_stream, ISIS_FIXED_HDR_LEN);
+    }
   /*
    * and then process it
    */
 
-  if (hdr->length < ISIS_MINIMUM_FIXED_HDR_LEN) {
-    zlog_err ("Fixed header length = %d", hdr->length);
-    return ISIS_ERROR;
-  }
+  if (hdr->length < ISIS_MINIMUM_FIXED_HDR_LEN)
+    {
+      zlog_err ("Fixed header length = %d", hdr->length);
+      return ISIS_ERROR;
+    }
 
-  if (hdr->version1 != 1) {
-    zlog_warn ("Unsupported ISIS version %u", hdr->version1);
-    return ISIS_WARNING;
-  }
+  if (hdr->version1 != 1)
+    {
+      zlog_warn ("Unsupported ISIS version %u", hdr->version1);
+      return ISIS_WARNING;
+    }
   /* either 6 or 0 */
-  if ((hdr->id_len != 0) && (hdr->id_len != ISIS_SYS_ID_LEN))  { 
-    zlog_err ("IDFieldLengthMismatch: ID Length field in a received PDU  %u, "
-                      "while the parameter for this IS is %u", hdr->id_len,
-                       ISIS_SYS_ID_LEN);
-    return ISIS_ERROR;
-  }
+  if ((hdr->id_len != 0) && (hdr->id_len != ISIS_SYS_ID_LEN))
+    {
+      zlog_err
+	("IDFieldLengthMismatch: ID Length field in a received PDU  %u, "
+	 "while the parameter for this IS is %u", hdr->id_len,
+	 ISIS_SYS_ID_LEN);
+      return ISIS_ERROR;
+    }
 
-  if (hdr->version2 != 1) {
-    zlog_warn ("Unsupported ISIS version %u", hdr->version2);
-    return ISIS_WARNING;
-  }
+  if (hdr->version2 != 1)
+    {
+      zlog_warn ("Unsupported ISIS version %u", hdr->version2);
+      return ISIS_WARNING;
+    }
   /* either 3 or 0 */
-  if ((hdr->max_area_addrs != 0) && (hdr->max_area_addrs != isis->max_area_addrs)) { 
-    zlog_err ("maximumAreaAddressesMismatch: maximumAreaAdresses in a "
-                      "received PDU %u while the parameter for this IS is %u",
-                       hdr->max_area_addrs, isis->max_area_addrs);
-    return ISIS_ERROR;
-  }
+  if ((hdr->max_area_addrs != 0)
+      && (hdr->max_area_addrs != isis->max_area_addrs))
+    {
+      zlog_err ("maximumAreaAddressesMismatch: maximumAreaAdresses in a "
+		"received PDU %u while the parameter for this IS is %u",
+		hdr->max_area_addrs, isis->max_area_addrs);
+      return ISIS_ERROR;
+    }
 
-  switch (hdr->pdu_type) {
-  case L1_LAN_HELLO:
-    retval = process_lan_hello (ISIS_LEVEL1, circuit, ssnpa);
-    break;
-  case L2_LAN_HELLO:
-    retval = process_lan_hello (ISIS_LEVEL2, circuit, ssnpa);
-    break;
-  case P2P_HELLO:
-    retval = process_p2p_hello (circuit);
-    break;
-  case L1_LINK_STATE:
-    retval = process_lsp (ISIS_LEVEL1, circuit, ssnpa);
-    break;
-  case L2_LINK_STATE:
-    retval = process_lsp (ISIS_LEVEL2, circuit, ssnpa);
-    break;
-  case L1_COMPLETE_SEQ_NUM:
-    retval = process_csnp (ISIS_LEVEL1, circuit, ssnpa);
-    break;
-  case L2_COMPLETE_SEQ_NUM:
-    retval = process_csnp (ISIS_LEVEL2, circuit, ssnpa);
-    break;
-  case L1_PARTIAL_SEQ_NUM:
-    retval = process_psnp (ISIS_LEVEL1, circuit, ssnpa);
-    break;
-  case L2_PARTIAL_SEQ_NUM:
-    retval = process_psnp (ISIS_LEVEL2, circuit, ssnpa);
-    break;
-  default:
-    return ISIS_ERROR;
-  }
+  switch (hdr->pdu_type)
+    {
+    case L1_LAN_HELLO:
+      retval = process_lan_hello (ISIS_LEVEL1, circuit, ssnpa);
+      break;
+    case L2_LAN_HELLO:
+      retval = process_lan_hello (ISIS_LEVEL2, circuit, ssnpa);
+      break;
+    case P2P_HELLO:
+      retval = process_p2p_hello (circuit);
+      break;
+    case L1_LINK_STATE:
+      retval = process_lsp (ISIS_LEVEL1, circuit, ssnpa);
+      break;
+    case L2_LINK_STATE:
+      retval = process_lsp (ISIS_LEVEL2, circuit, ssnpa);
+      break;
+    case L1_COMPLETE_SEQ_NUM:
+      retval = process_csnp (ISIS_LEVEL1, circuit, ssnpa);
+      break;
+    case L2_COMPLETE_SEQ_NUM:
+      retval = process_csnp (ISIS_LEVEL2, circuit, ssnpa);
+      break;
+    case L1_PARTIAL_SEQ_NUM:
+      retval = process_psnp (ISIS_LEVEL1, circuit, ssnpa);
+      break;
+    case L2_PARTIAL_SEQ_NUM:
+      retval = process_psnp (ISIS_LEVEL2, circuit, ssnpa);
+      break;
+    default:
+      return ISIS_ERROR;
+    }
 
   return retval;
 }
 
-
 #ifdef GNU_LINUX
 int
 isis_receive (struct thread *thread)
 {
-
   struct isis_circuit *circuit;
   u_char ssnpa[ETH_ALEN];
   int retval;
@@ -1596,12 +1782,12 @@ isis_receive (struct thread *thread)
   assert (circuit);
 
   if (circuit->rcv_stream == NULL)
-    circuit->rcv_stream = stream_new (ISO_MTU(circuit));
+    circuit->rcv_stream = stream_new (ISO_MTU (circuit));
   else
     stream_reset (circuit->rcv_stream);
 
   retval = circuit->rx (circuit, ssnpa);
-  circuit->t_read = NULL;  
+  circuit->t_read = NULL;
 
   if (retval == ISIS_OK)
     retval = isis_handle_pdu (circuit, ssnpa);
@@ -1609,7 +1795,8 @@ isis_receive (struct thread *thread)
   /* 
    * prepare for next packet. 
    */
-  THREAD_READ_ON(master, circuit->t_read, isis_receive, circuit, circuit->fd);
+  THREAD_READ_ON (master, circuit->t_read, isis_receive, circuit,
+		  circuit->fd);
 
   return retval;
 }
@@ -1618,7 +1805,6 @@ isis_receive (struct thread *thread)
 int
 isis_receive (struct thread *thread)
 {
-
   struct isis_circuit *circuit;
   u_char ssnpa[ETH_ALEN];
   int retval;
@@ -1629,10 +1815,10 @@ isis_receive (struct thread *thread)
   circuit = THREAD_ARG (thread);
   assert (circuit);
 
-  circuit->t_read = NULL;  
+  circuit->t_read = NULL;
 
   if (circuit->rcv_stream == NULL)
-    circuit->rcv_stream = stream_new (ISO_MTU(circuit));
+    circuit->rcv_stream = stream_new (ISO_MTU (circuit));
   else
     stream_reset (circuit->rcv_stream);
 
@@ -1644,10 +1830,10 @@ isis_receive (struct thread *thread)
   /* 
    * prepare for next packet. 
    */
-  circuit->t_read = thread_add_timer_msec (master, isis_receive, circuit, 
-                                           listcount
-                                           (circuit->area->circuit_list)*100);
-
+  circuit->t_read = thread_add_timer_msec (master, isis_receive, circuit,
+					   listcount
+					   (circuit->area->circuit_list) *
+					   100);
 
   return retval;
 }
@@ -1662,47 +1848,47 @@ fill_fixed_hdr (struct isis_fixed_hdr *hdr, u_char pdu_type)
 
   hdr->idrp = ISO10589_ISIS;
 
-  switch (pdu_type) {
-  case L1_LAN_HELLO:
-  case L2_LAN_HELLO:
-    hdr->length = ISIS_LANHELLO_HDRLEN;
-    break;
-  case P2P_HELLO:
-    hdr->length = ISIS_P2PHELLO_HDRLEN;
-    break;
-  case L1_LINK_STATE:
-  case L2_LINK_STATE:
-    hdr->length = ISIS_LSP_HDR_LEN;
-    break;
-  case L1_COMPLETE_SEQ_NUM:
-  case L2_COMPLETE_SEQ_NUM:
-    hdr->length = ISIS_CSNP_HDRLEN;
-    break;
-  case L1_PARTIAL_SEQ_NUM:
-  case L2_PARTIAL_SEQ_NUM:
-    hdr->length = ISIS_PSNP_HDRLEN;
-    break;
-  default:
-    zlog_warn ("fill_fixed_hdr(): unknown pdu type %d", pdu_type);
-    return;
-  }
+  switch (pdu_type)
+    {
+    case L1_LAN_HELLO:
+    case L2_LAN_HELLO:
+      hdr->length = ISIS_LANHELLO_HDRLEN;
+      break;
+    case P2P_HELLO:
+      hdr->length = ISIS_P2PHELLO_HDRLEN;
+      break;
+    case L1_LINK_STATE:
+    case L2_LINK_STATE:
+      hdr->length = ISIS_LSP_HDR_LEN;
+      break;
+    case L1_COMPLETE_SEQ_NUM:
+    case L2_COMPLETE_SEQ_NUM:
+      hdr->length = ISIS_CSNP_HDRLEN;
+      break;
+    case L1_PARTIAL_SEQ_NUM:
+    case L2_PARTIAL_SEQ_NUM:
+      hdr->length = ISIS_PSNP_HDRLEN;
+      break;
+    default:
+      zlog_warn ("fill_fixed_hdr(): unknown pdu type %d", pdu_type);
+      return;
+    }
   hdr->length += ISIS_FIXED_HDR_LEN;
   hdr->pdu_type = pdu_type;
   hdr->version1 = 1;
-  hdr->id_len = 0; /* ISIS_SYS_ID_LEN -  0==6 */
+  hdr->id_len = 0;		/* ISIS_SYS_ID_LEN -  0==6 */
   hdr->version2 = 1;
-  hdr->max_area_addrs = 0; /* isis->max_area_addrs -  0==3 */
+  hdr->max_area_addrs = 0;	/* isis->max_area_addrs -  0==3 */
 }
 
-
 /*
  * SEND SIDE                             
  */
 void
 fill_fixed_hdr_andstream (struct isis_fixed_hdr *hdr, u_char pdu_type,
-		struct stream *stream)
+			  struct stream *stream)
 {
-  fill_fixed_hdr (hdr,pdu_type);
+  fill_fixed_hdr (hdr, pdu_type);
 
   stream_putc (stream, hdr->idrp);
   stream_putc (stream, hdr->length);
@@ -1716,7 +1902,6 @@ fill_fixed_hdr_andstream (struct isis_fixed_hdr *hdr, u_char pdu_type,
   return;
 }
 
-
 int
 send_hello (struct isis_circuit *circuit, int level)
 {
@@ -1728,55 +1913,65 @@ send_hello (struct isis_circuit *circuit, int level)
   unsigned long len_pointer, length;
   int retval;
 
-  if (circuit->interface->mtu == 0) {
-    zlog_warn ("circuit has zero MTU");
-    return ISIS_WARNING;
-  }
+  if (circuit->interface->mtu == 0)
+    {
+      zlog_warn ("circuit has zero MTU");
+      return ISIS_WARNING;
+    }
 
   if (!circuit->snd_stream)
-    circuit->snd_stream = stream_new (ISO_MTU(circuit));
+    circuit->snd_stream = stream_new (ISO_MTU (circuit));
   else
     stream_reset (circuit->snd_stream);
 
   if (circuit->circ_type == CIRCUIT_T_BROADCAST)
     if (level == 1)
-      fill_fixed_hdr_andstream(&fixed_hdr, L1_LAN_HELLO, circuit->snd_stream);
+      fill_fixed_hdr_andstream (&fixed_hdr, L1_LAN_HELLO,
+				circuit->snd_stream);
     else
-      fill_fixed_hdr_andstream(&fixed_hdr, L2_LAN_HELLO, circuit->snd_stream);
+      fill_fixed_hdr_andstream (&fixed_hdr, L2_LAN_HELLO,
+				circuit->snd_stream);
   else
-      fill_fixed_hdr_andstream(&fixed_hdr, P2P_HELLO, circuit->snd_stream);
+    fill_fixed_hdr_andstream (&fixed_hdr, P2P_HELLO, circuit->snd_stream);
 
   /*
    * Fill LAN Level 1 or 2 Hello PDU header
    */
   memset (&hello_hdr, 0, sizeof (struct isis_lan_hello_hdr));
-  interval = circuit->hello_multiplier[level - 1] * 
+  interval = circuit->hello_multiplier[level - 1] *
     circuit->hello_interval[level - 1];
   if (interval > USHRT_MAX)
     interval = USHRT_MAX;
   hello_hdr.circuit_t = circuit->circuit_is_type;
   memcpy (hello_hdr.source_id, isis->sysid, ISIS_SYS_ID_LEN);
-  hello_hdr.hold_time = htons((u_int16_t)interval);
-
-  hello_hdr.pdu_len   = 0;                   /* Update the PDU Length later */
-  len_pointer = stream_get_putp (circuit->snd_stream) + 3 + ISIS_SYS_ID_LEN;   
+  hello_hdr.hold_time = htons ((u_int16_t) interval);
 
+  hello_hdr.pdu_len = 0;	/* Update the PDU Length later */
+  len_pointer = stream_get_putp (circuit->snd_stream) + 3 + ISIS_SYS_ID_LEN;
 
   /* copy the shared part of the hello to the p2p hello if needed */
-  if (circuit->circ_type == CIRCUIT_T_P2P) {
-    memcpy (&p2p_hello_hdr, &hello_hdr, 5 + ISIS_SYS_ID_LEN);
-    p2p_hello_hdr.local_id = circuit->circuit_id; 
-    /* FIXME: need better understanding */
-    stream_put  (circuit->snd_stream, &p2p_hello_hdr, ISIS_P2PHELLO_HDRLEN);
-  } else {
-    hello_hdr.prio = circuit->u.bc.priority[level - 1];
-    if(level == 1 && circuit->u.bc.l1_desig_is) {
-      memcpy(hello_hdr.lan_id, circuit->u.bc.l1_desig_is, ISIS_SYS_ID_LEN + 1);
-    } else if (level == 2 && circuit->u.bc.l2_desig_is){
-      memcpy(hello_hdr.lan_id, circuit->u.bc.l2_desig_is, ISIS_SYS_ID_LEN + 1);
-    }
-    stream_put  (circuit->snd_stream, &hello_hdr, ISIS_LANHELLO_HDRLEN);
-  }
+  if (circuit->circ_type == CIRCUIT_T_P2P)
+    {
+      memcpy (&p2p_hello_hdr, &hello_hdr, 5 + ISIS_SYS_ID_LEN);
+      p2p_hello_hdr.local_id = circuit->circuit_id;
+      /* FIXME: need better understanding */
+      stream_put (circuit->snd_stream, &p2p_hello_hdr, ISIS_P2PHELLO_HDRLEN);
+    }
+  else
+    {
+      hello_hdr.prio = circuit->u.bc.priority[level - 1];
+      if (level == 1 && circuit->u.bc.l1_desig_is)
+	{
+	  memcpy (hello_hdr.lan_id, circuit->u.bc.l1_desig_is,
+		  ISIS_SYS_ID_LEN + 1);
+	}
+      else if (level == 2 && circuit->u.bc.l2_desig_is)
+	{
+	  memcpy (hello_hdr.lan_id, circuit->u.bc.l2_desig_is,
+		  ISIS_SYS_ID_LEN + 1);
+	}
+      stream_put (circuit->snd_stream, &hello_hdr, ISIS_LANHELLO_HDRLEN);
+    }
 
   /*
    * Then the variable length part 
@@ -1793,19 +1988,20 @@ send_hello (struct isis_circuit *circuit, int level)
       return ISIS_WARNING;
 
   /*  LAN Neighbors TLV */
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-    if (level == 1 && circuit->u.bc.lan_neighs[0]->count > 0)
-      if (tlv_add_lan_neighs (circuit->u.bc.lan_neighs[0], 
-          circuit->snd_stream))
-        return ISIS_WARNING;
-    if (level == 2 && circuit->u.bc.lan_neighs[1]->count > 0)
-      if (tlv_add_lan_neighs (circuit->u.bc.lan_neighs[1], 
-          circuit->snd_stream))
-        return ISIS_WARNING;
-  }
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+    {
+      if (level == 1 && circuit->u.bc.lan_neighs[0]->count > 0)
+	if (tlv_add_lan_neighs (circuit->u.bc.lan_neighs[0],
+				circuit->snd_stream))
+	  return ISIS_WARNING;
+      if (level == 2 && circuit->u.bc.lan_neighs[1]->count > 0)
+	if (tlv_add_lan_neighs (circuit->u.bc.lan_neighs[1],
+				circuit->snd_stream))
+	  return ISIS_WARNING;
+    }
 
   /* Protocols Supported TLV */
-  if (circuit->nlpids.count > 0) 
+  if (circuit->nlpids.count > 0)
     if (tlv_add_nlpid (&circuit->nlpids, circuit->snd_stream))
       return ISIS_WARNING;
   /* IP interface Address TLV */
@@ -1813,9 +2009,9 @@ send_hello (struct isis_circuit *circuit, int level)
     if (tlv_add_ip_addrs (circuit->ip_addrs, circuit->snd_stream))
       return ISIS_WARNING;
 
-#ifdef HAVE_IPV6 
+#ifdef HAVE_IPV6
   /* IPv6 Interface Address TLV */
-  if (circuit->ipv6_router && circuit->ipv6_link && 
+  if (circuit->ipv6_router && circuit->ipv6_link &&
       circuit->ipv6_link->count > 0)
     if (tlv_add_ipv6_addrs (circuit->ipv6_link, circuit->snd_stream))
       return ISIS_WARNING;
@@ -1827,25 +2023,28 @@ send_hello (struct isis_circuit *circuit, int level)
 
   length = stream_get_putp (circuit->snd_stream);
   /* Update PDU length */
-  stream_putw_at (circuit->snd_stream, len_pointer, (u_int16_t)length);
+  stream_putw_at (circuit->snd_stream, len_pointer, (u_int16_t) length);
 
   retval = circuit->tx (circuit, level);
   if (retval)
     zlog_warn ("sending of LAN Level %d Hello failed", level);
 
   /* DEBUG_ADJ_PACKETS */
-  if (isis->debugs & DEBUG_ADJ_PACKETS) {
-    if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-      zlog_info ("ISIS-Adj (%s): Sent L%d LAN IIH on %s, length %ld",
-                 circuit->area->area_tag, level, circuit->interface->name,
-                 STREAM_SIZE(circuit->snd_stream));
-    } else {
-      zlog_info ("ISIS-Adj (%s): Sent P2P IIH on %s, length %ld",
-                 circuit->area->area_tag, circuit->interface->name,
-                 STREAM_SIZE(circuit->snd_stream));
+  if (isis->debugs & DEBUG_ADJ_PACKETS)
+    {
+      if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+	{
+	  zlog_info ("ISIS-Adj (%s): Sent L%d LAN IIH on %s, length %ld",
+		     circuit->area->area_tag, level, circuit->interface->name,
+		     STREAM_SIZE (circuit->snd_stream));
+	}
+      else
+	{
+	  zlog_info ("ISIS-Adj (%s): Sent P2P IIH on %s, length %ld",
+		     circuit->area->area_tag, circuit->interface->name,
+		     STREAM_SIZE (circuit->snd_stream));
+	}
     }
-  }
-
 
   return retval;
 }
@@ -1853,13 +2052,12 @@ send_hello (struct isis_circuit *circuit, int level)
 int
 send_lan_hello (struct isis_circuit *circuit, int level)
 {
-  return send_hello (circuit,level);
+  return send_hello (circuit, level);
 }
 
 int
 send_lan_l1_hello (struct thread *thread)
 {
-
   struct isis_circuit *circuit;
   int retval;
 
@@ -1868,13 +2066,14 @@ send_lan_l1_hello (struct thread *thread)
   circuit->u.bc.t_send_lan_hello[0] = NULL;
 
   if (circuit->u.bc.run_dr_elect[0])
-    retval = isis_dr_elect (circuit, 1); 
+    retval = isis_dr_elect (circuit, 1);
 
   retval = send_lan_hello (circuit, 1);
 
   /* set next timer thread */
-  THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[0], send_lan_l1_hello,
-      circuit, isis_jitter (circuit->hello_interval[0], IIH_JITTER));
+  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[0],
+		   send_lan_l1_hello, circuit,
+		   isis_jitter (circuit->hello_interval[0], IIH_JITTER));
 
   return retval;
 }
@@ -1894,9 +2093,10 @@ send_lan_l2_hello (struct thread *thread)
 
   retval = send_lan_hello (circuit, 2);
 
-  /* set next timer thread*/
-  THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[1], send_lan_l2_hello,
-      circuit, isis_jitter (circuit->hello_interval[1], IIH_JITTER));
+  /* set next timer thread */
+  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[1],
+		   send_lan_l2_hello, circuit,
+		   isis_jitter (circuit->hello_interval[1], IIH_JITTER));
 
   return retval;
 }
@@ -1910,18 +2110,19 @@ send_p2p_hello (struct thread *thread)
   assert (circuit);
   circuit->u.p2p.t_send_p2p_hello = NULL;
 
-  send_hello(circuit,1);
+  send_hello (circuit, 1);
 
-  /* set next timer thread*/
-  THREAD_TIMER_ON(master, circuit->u.p2p.t_send_p2p_hello, send_p2p_hello,
-      circuit, isis_jitter (circuit->hello_interval[1], IIH_JITTER));
+  /* set next timer thread */
+  THREAD_TIMER_ON (master, circuit->u.p2p.t_send_p2p_hello, send_p2p_hello,
+		   circuit, isis_jitter (circuit->hello_interval[1],
+					 IIH_JITTER));
 
   return ISIS_OK;
 }
 
 int
-build_csnp (int level, u_char *start, u_char *stop, struct list *lsps, 
-            struct isis_circuit *circuit)
+build_csnp (int level, u_char * start, u_char * stop, struct list *lsps,
+	    struct isis_circuit *circuit)
 {
   struct isis_fixed_hdr fixed_hdr;
   struct isis_passwd *passwd;
@@ -1929,19 +2130,19 @@ build_csnp (int level, u_char *start, u_char *stop, struct list *lsps,
   unsigned long lenp;
   u_int16_t length;
 
-  if (level ==1)
-    fill_fixed_hdr_andstream (&fixed_hdr, L1_COMPLETE_SEQ_NUM, 
-                              circuit->snd_stream);
+  if (level == 1)
+    fill_fixed_hdr_andstream (&fixed_hdr, L1_COMPLETE_SEQ_NUM,
+			      circuit->snd_stream);
   else
-    fill_fixed_hdr_andstream (&fixed_hdr, L2_COMPLETE_SEQ_NUM, 
-                              circuit->snd_stream);
+    fill_fixed_hdr_andstream (&fixed_hdr, L2_COMPLETE_SEQ_NUM,
+			      circuit->snd_stream);
 
   /*
    * Fill Level 1 or 2 Complete Sequence Numbers header
    */
 
   lenp = stream_get_putp (circuit->snd_stream);
-  stream_putw (circuit->snd_stream, 0); /* PDU length - when we know it */
+  stream_putw (circuit->snd_stream, 0);	/* PDU length - when we know it */
   /* no need to send the source here, it is always us if we csnp */
   stream_put (circuit->snd_stream, isis->sysid, ISIS_SYS_ID_LEN);
   /* with zero circuit id - ref 9.10, 9.11 */
@@ -1962,10 +2163,11 @@ build_csnp (int level, u_char *start, u_char *stop, struct list *lsps,
     retval = tlv_add_authinfo (passwd->type, passwd->len,
 			       passwd->passwd, circuit->snd_stream);
 
-  if (!retval && lsps) { 
-    retval = tlv_add_lsp_entries (lsps, circuit->snd_stream);
-  } 
-  length = (u_int16_t)stream_get_putp (circuit->snd_stream);
+  if (!retval && lsps)
+    {
+      retval = tlv_add_lsp_entries (lsps, circuit->snd_stream);
+    }
+  length = (u_int16_t) stream_get_putp (circuit->snd_stream);
   assert (length >= ISIS_CSNP_HDRLEN);
   /* Update PU length */
   stream_putw_at (circuit->snd_stream, lenp, length);
@@ -1987,41 +2189,44 @@ send_csnp (struct isis_circuit *circuit, int level)
   struct listnode *node;
   struct isis_lsp *lsp;
 
-  memset (start,0x00, ISIS_SYS_ID_LEN + 2);
+  memset (start, 0x00, ISIS_SYS_ID_LEN + 2);
   memset (stop, 0xff, ISIS_SYS_ID_LEN + 2);
 
-  if (circuit->area->lspdb[level-1] && 
-      dict_count (circuit->area->lspdb[level-1]) > 0) {
-    list = list_new ();
-    lsp_build_list (start, stop, list, circuit->area->lspdb[level-1]);
-
-    if (circuit->snd_stream == NULL)
-      circuit->snd_stream = stream_new (ISO_MTU(circuit));
-    else
-      stream_reset (circuit->snd_stream);
-
-    retval = build_csnp  (level, start, stop, list, circuit);
-
-    if (isis->debugs & DEBUG_SNP_PACKETS) { 
-      zlog_info ("ISIS-Snp (%s): Sent L%d CSNP on %s, length %ld",
-                 circuit->area->area_tag, level, circuit->interface->name,
-                 STREAM_SIZE(circuit->snd_stream));
-      LIST_LOOP (list, lsp, node) {
-        zlog_info("ISIS-Snp (%s):         CSNP entry %s, seq 0x%08x,"
-                  " cksum 0x%04x, lifetime %us", 
-                  circuit->area->area_tag,
-                  rawlspid_print (lsp->lsp_header->lsp_id),
-                  ntohl (lsp->lsp_header->seq_num),
-                  ntohs (lsp->lsp_header->checksum),
-                  ntohs (lsp->lsp_header->rem_lifetime));
-      }
-    }
+  if (circuit->area->lspdb[level - 1] &&
+      dict_count (circuit->area->lspdb[level - 1]) > 0)
+    {
+      list = list_new ();
+      lsp_build_list (start, stop, list, circuit->area->lspdb[level - 1]);
+
+      if (circuit->snd_stream == NULL)
+	circuit->snd_stream = stream_new (ISO_MTU (circuit));
+      else
+	stream_reset (circuit->snd_stream);
+
+      retval = build_csnp (level, start, stop, list, circuit);
+
+      if (isis->debugs & DEBUG_SNP_PACKETS)
+	{
+	  zlog_info ("ISIS-Snp (%s): Sent L%d CSNP on %s, length %ld",
+		     circuit->area->area_tag, level, circuit->interface->name,
+		     STREAM_SIZE (circuit->snd_stream));
+	  LIST_LOOP (list, lsp, node)
+	  {
+	    zlog_info ("ISIS-Snp (%s):         CSNP entry %s, seq 0x%08x,"
+		       " cksum 0x%04x, lifetime %us",
+		       circuit->area->area_tag,
+		       rawlspid_print (lsp->lsp_header->lsp_id),
+		       ntohl (lsp->lsp_header->seq_num),
+		       ntohs (lsp->lsp_header->checksum),
+		       ntohs (lsp->lsp_header->rem_lifetime));
+	  }
+	}
 
-    list_delete (list);
+      list_delete (list);
 
-    if (retval == ISIS_OK)
-      retval = circuit->tx (circuit, level);
-  }
+      if (retval == ISIS_OK)
+	retval = circuit->tx (circuit, level);
+    }
   return retval;
 }
 
@@ -2036,12 +2241,13 @@ send_l1_csnp (struct thread *thread)
 
   circuit->t_send_csnp[0] = NULL;
 
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST && circuit->u.bc.is_dr[0]) {
-    send_csnp(circuit,1);
-  }
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST && circuit->u.bc.is_dr[0])
+    {
+      send_csnp (circuit, 1);
+    }
   /* set next timer thread */
-  THREAD_TIMER_ON(master, circuit->t_send_csnp[0], send_l1_csnp, circuit,
-      isis_jitter(circuit->csnp_interval[0], CSNP_JITTER));
+  THREAD_TIMER_ON (master, circuit->t_send_csnp[0], send_l1_csnp, circuit,
+		   isis_jitter (circuit->csnp_interval[0], CSNP_JITTER));
 
   return retval;
 }
@@ -2057,12 +2263,13 @@ send_l2_csnp (struct thread *thread)
 
   circuit->t_send_csnp[1] = NULL;
 
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST && circuit->u.bc.is_dr[1]) {
-    send_csnp(circuit,2);
-  }
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST && circuit->u.bc.is_dr[1])
+    {
+      send_csnp (circuit, 2);
+    }
   /* set next timer thread */
-  THREAD_TIMER_ON(master, circuit->t_send_csnp[1], send_l2_csnp, circuit,
-      isis_jitter(circuit->csnp_interval[1], CSNP_JITTER));
+  THREAD_TIMER_ON (master, circuit->t_send_csnp[1], send_l2_csnp, circuit,
+		   isis_jitter (circuit->csnp_interval[1], CSNP_JITTER));
 
   return retval;
 }
@@ -2079,17 +2286,17 @@ build_psnp (int level, struct isis_circuit *circuit, struct list *lsps)
   struct listnode *node;
 
   if (level == 1)
-    fill_fixed_hdr_andstream (&fixed_hdr, L1_PARTIAL_SEQ_NUM, 
-                              circuit->snd_stream);
+    fill_fixed_hdr_andstream (&fixed_hdr, L1_PARTIAL_SEQ_NUM,
+			      circuit->snd_stream);
   else
     fill_fixed_hdr_andstream (&fixed_hdr, L2_PARTIAL_SEQ_NUM,
-                              circuit->snd_stream);
+			      circuit->snd_stream);
 
   /*
    * Fill Level 1 or 2 Partial Sequence Numbers header
    */
   lenp = stream_get_putp (circuit->snd_stream);
-  stream_putw (circuit->snd_stream, 0); /* PDU length - when we know it */
+  stream_putw (circuit->snd_stream, 0);	/* PDU length - when we know it */
   stream_put (circuit->snd_stream, isis->sysid, ISIS_SYS_ID_LEN);
   stream_putc (circuit->snd_stream, circuit->idx);
 
@@ -2106,23 +2313,26 @@ build_psnp (int level, struct isis_circuit *circuit, struct list *lsps)
     retval = tlv_add_authinfo (passwd->type, passwd->len,
 			       passwd->passwd, circuit->snd_stream);
 
-  if (!retval && lsps) { 
-    retval = tlv_add_lsp_entries (lsps, circuit->snd_stream);
-  }
+  if (!retval && lsps)
+    {
+      retval = tlv_add_lsp_entries (lsps, circuit->snd_stream);
+    }
 
-  if (isis->debugs & DEBUG_SNP_PACKETS) {
-    LIST_LOOP (lsps, lsp, node) {
-      zlog_info("ISIS-Snp (%s):         PSNP entry %s, seq 0x%08x,"
-                " cksum 0x%04x, lifetime %us", 
-                circuit->area->area_tag,
-                rawlspid_print (lsp->lsp_header->lsp_id),
-                ntohl (lsp->lsp_header->seq_num),
-                ntohs (lsp->lsp_header->checksum),
-                ntohs (lsp->lsp_header->rem_lifetime));
+  if (isis->debugs & DEBUG_SNP_PACKETS)
+    {
+      LIST_LOOP (lsps, lsp, node)
+      {
+	zlog_info ("ISIS-Snp (%s):         PSNP entry %s, seq 0x%08x,"
+		   " cksum 0x%04x, lifetime %us",
+		   circuit->area->area_tag,
+		   rawlspid_print (lsp->lsp_header->lsp_id),
+		   ntohl (lsp->lsp_header->seq_num),
+		   ntohs (lsp->lsp_header->checksum),
+		   ntohs (lsp->lsp_header->rem_lifetime));
+      }
     }
-  }
 
-  length = (u_int16_t)stream_get_putp (circuit->snd_stream);
+  length = (u_int16_t) stream_get_putp (circuit->snd_stream);
   assert (length >= ISIS_PSNP_HDRLEN);
   /* Update PDU length */
   stream_putw_at (circuit->snd_stream, lenp, length);
@@ -2142,45 +2352,51 @@ send_psnp (int level, struct isis_circuit *circuit)
   struct list *list = NULL;
   struct listnode *node;
 
-  if ((circuit->circ_type == CIRCUIT_T_BROADCAST && 
+  if ((circuit->circ_type == CIRCUIT_T_BROADCAST &&
        !circuit->u.bc.is_dr[level - 1]) ||
-      circuit->circ_type != CIRCUIT_T_BROADCAST) {
+      circuit->circ_type != CIRCUIT_T_BROADCAST)
+    {
 
-    if (circuit->area->lspdb[level-1] && 
-        dict_count (circuit->area->lspdb[level-1]) > 0) {
-      list = list_new ();
-      lsp_build_list_ssn (circuit, list, circuit->area->lspdb[level-1]);
-
-      if (listcount(list) > 0) {
-        if (circuit->snd_stream == NULL)
-          circuit->snd_stream = stream_new (ISO_MTU(circuit));
-        else
-          stream_reset (circuit->snd_stream);
-
-
-        if (isis->debugs & DEBUG_SNP_PACKETS) 
-          zlog_info ("ISIS-Snp (%s): Sent L%d PSNP on %s, length %ld",
-                     circuit->area->area_tag, level, circuit->interface->name,
-                     STREAM_SIZE(circuit->snd_stream));
-
-        retval = build_psnp (level, circuit, list);
-        if (retval == ISIS_OK)
-          retval = circuit->tx (circuit, level);
-
-        if (retval == ISIS_OK) {
-          /*
-           * sending succeeded, we can clear SSN flags of this circuit
-           * for the LSPs in list
-           */
-          for (node = listhead (list); node; nextnode(node)) {
-            lsp = getdata (node);
-            ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
-          }
-        }
-      }
-      list_delete (list);
+      if (circuit->area->lspdb[level - 1] &&
+	  dict_count (circuit->area->lspdb[level - 1]) > 0)
+	{
+	  list = list_new ();
+	  lsp_build_list_ssn (circuit, list, circuit->area->lspdb[level - 1]);
+
+	  if (listcount (list) > 0)
+	    {
+	      if (circuit->snd_stream == NULL)
+		circuit->snd_stream = stream_new (ISO_MTU (circuit));
+	      else
+		stream_reset (circuit->snd_stream);
+
+
+	      if (isis->debugs & DEBUG_SNP_PACKETS)
+		zlog_info ("ISIS-Snp (%s): Sent L%d PSNP on %s, length %ld",
+			   circuit->area->area_tag, level,
+			   circuit->interface->name,
+			   STREAM_SIZE (circuit->snd_stream));
+
+	      retval = build_psnp (level, circuit, list);
+	      if (retval == ISIS_OK)
+		retval = circuit->tx (circuit, level);
+
+	      if (retval == ISIS_OK)
+		{
+		  /*
+		   * sending succeeded, we can clear SSN flags of this circuit
+		   * for the LSPs in list
+		   */
+		  for (node = listhead (list); node; nextnode (node))
+		    {
+		      lsp = getdata (node);
+		      ISIS_CLEAR_FLAG (lsp->SSNflags, circuit);
+		    }
+		}
+	    }
+	  list_delete (list);
+	}
     }
-  }
 
   return retval;
 }
@@ -2199,8 +2415,8 @@ send_l1_psnp (struct thread *thread)
 
   send_psnp (1, circuit);
   /* set next timer thread */
-  THREAD_TIMER_ON(master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
-      isis_jitter(circuit->psnp_interval[0], PSNP_JITTER));
+  THREAD_TIMER_ON (master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
+		   isis_jitter (circuit->psnp_interval[0], PSNP_JITTER));
 
   return retval;
 }
@@ -2212,7 +2428,6 @@ send_l1_psnp (struct thread *thread)
 int
 send_l2_psnp (struct thread *thread)
 {
-
   struct isis_circuit *circuit;
   int retval = ISIS_OK;
 
@@ -2224,26 +2439,24 @@ send_l2_psnp (struct thread *thread)
   send_psnp (2, circuit);
 
   /* set next timer thread */
-  THREAD_TIMER_ON(master, circuit->t_send_psnp[1], send_l2_psnp, circuit,
-      isis_jitter(circuit->psnp_interval[1], PSNP_JITTER));
+  THREAD_TIMER_ON (master, circuit->t_send_psnp[1], send_l2_psnp, circuit,
+		   isis_jitter (circuit->psnp_interval[1], PSNP_JITTER));
 
   return retval;
 }
 
-
 void
 build_link_state (struct isis_lsp *lsp, struct isis_circuit *circuit,
-                  struct stream *stream)
+		  struct stream *stream)
 {
   unsigned long length;
 
-  stream_put  (stream, lsp->pdu, ntohs(lsp->lsp_header->pdu_len));
-  length = stream_get_putp (stream); 
+  stream_put (stream, lsp->pdu, ntohs (lsp->lsp_header->pdu_len));
+  length = stream_get_putp (stream);
 
   return;
 }
 
-
 /*
  * ISO 10589 - 7.3.14.3
  */
@@ -2258,90 +2471,98 @@ send_lsp (struct thread *thread)
   circuit = THREAD_ARG (thread);
   assert (circuit);
 
-  if (circuit->state == C_STATE_UP) {
-    node = listhead (circuit->lsp_queue);
-    assert (node);
-
-    lsp = getdata (node);
-
-    /*
-     * Do not send if levels do not match
-     */
-    if (!(lsp->level & circuit->circuit_is_type))
-      goto dontsend;
-
-    /*
-     * Do not send if we do not have adjacencies in state up on the circuit
-     */
-    if (circuit->upadjcount[lsp->level - 1] == 0)
-      goto dontsend;
-    /* only send if it needs sending */
-    if ((time(NULL) - lsp->last_sent) >= 
-         circuit->area->lsp_gen_interval[lsp->level-1]) {
-
-      if (isis->debugs & DEBUG_UPDATE_PACKETS) {
-        zlog_info ("ISIS-Upd (%s): Sent L%d LSP %s, seq 0x%08x, cksum 0x%04x,"
-                   " lifetime %us on %s",
-                   circuit->area->area_tag,
-		   lsp->level, 
-                   rawlspid_print (lsp->lsp_header->lsp_id),
-                   ntohl(lsp->lsp_header->seq_num),
-		   ntohs(lsp->lsp_header->checksum),
-                   ntohs(lsp->lsp_header->rem_lifetime), 
-                   circuit->interface->name);
-      }
-      /* copy our lsp to the send buffer */
-      circuit->snd_stream->getp = lsp->pdu->getp;
-      circuit->snd_stream->putp = lsp->pdu->putp;
-      circuit->snd_stream->endp = lsp->pdu->endp;
-      memcpy (circuit->snd_stream->data, lsp->pdu->data, lsp->pdu->endp);
+  if (circuit->state == C_STATE_UP)
+    {
+      node = listhead (circuit->lsp_queue);
+      assert (node);
 
-      retval = circuit->tx (circuit, lsp->level);
+      lsp = getdata (node);
 
       /*
-       * If the sending succeeded, we can del the lsp from circuits lsp_queue
+       * Do not send if levels do not match
        */
-      if (retval == ISIS_OK) {
-        list_delete_node (circuit->lsp_queue, node);
+      if (!(lsp->level & circuit->circuit_is_type))
+	goto dontsend;
 
-	/*
-	 * On broadcast circuits also the SRMflag can be cleared
-	 */
-	if (circuit->circ_type == CIRCUIT_T_BROADCAST)
-	  ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+      /*
+       * Do not send if we do not have adjacencies in state up on the circuit
+       */
+      if (circuit->upadjcount[lsp->level - 1] == 0)
+	goto dontsend;
+      /* only send if it needs sending */
+      if ((time (NULL) - lsp->last_sent) >=
+	  circuit->area->lsp_gen_interval[lsp->level - 1])
+	{
+
+	  if (isis->debugs & DEBUG_UPDATE_PACKETS)
+	    {
+	      zlog_info
+		("ISIS-Upd (%s): Sent L%d LSP %s, seq 0x%08x, cksum 0x%04x,"
+		 " lifetime %us on %s", circuit->area->area_tag, lsp->level,
+		 rawlspid_print (lsp->lsp_header->lsp_id),
+		 ntohl (lsp->lsp_header->seq_num),
+		 ntohs (lsp->lsp_header->checksum),
+		 ntohs (lsp->lsp_header->rem_lifetime),
+		 circuit->interface->name);
+	    }
+	  /* copy our lsp to the send buffer */
+	  circuit->snd_stream->getp = lsp->pdu->getp;
+	  circuit->snd_stream->putp = lsp->pdu->putp;
+	  circuit->snd_stream->endp = lsp->pdu->endp;
+	  memcpy (circuit->snd_stream->data, lsp->pdu->data, lsp->pdu->endp);
+
+	  retval = circuit->tx (circuit, lsp->level);
 
-	if (flags_any_set (lsp->SRMflags) == 0) {
 	  /*
-	   * need to remember when we were last sent
+	   * If the sending succeeded, we can del the lsp from circuits
+	   * lsp_queue
 	   */
-	  lsp->last_sent = time (NULL);
+	  if (retval == ISIS_OK)
+	    {
+	      list_delete_node (circuit->lsp_queue, node);
+
+	      /*
+	       * On broadcast circuits also the SRMflag can be cleared
+	       */
+	      if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+		ISIS_CLEAR_FLAG (lsp->SRMflags, circuit);
+
+	      if (flags_any_set (lsp->SRMflags) == 0)
+		{
+		  /*
+		   * need to remember when we were last sent
+		   */
+		  lsp->last_sent = time (NULL);
+		}
+	    }
+	  else
+	    {
+	      zlog_info ("sending of level %d link state failed", lsp->level);
+	    }
+	}
+      else
+	{
+	  /* my belief is that if it wasn't his time, the lsp can be removed
+	   * from the queue
+	   */
+	dontsend:
+	  list_delete_node (circuit->lsp_queue, node);
 	}
-      } else {
-        zlog_info ("sending of level %d link state failed", lsp->level);
-      }
-    } else {
-      /* my belief is that if it wasn't his time, the lsp can be removed
-       * from the queue
-       */
-    dontsend:
-      list_delete_node (circuit->lsp_queue, node);
-    }
 #if 0
-    /*
-     * If there are still LSPs send next one after lsp-interval (33 msecs)
-     */
-    if (listcount (circuit->lsp_queue) > 0)
-      thread_add_timer (master, send_lsp, circuit,
-                             1);
+      /*
+       * If there are still LSPs send next one after lsp-interval (33 msecs)
+       */
+      if (listcount (circuit->lsp_queue) > 0)
+	thread_add_timer (master, send_lsp, circuit, 1);
 #endif
-  }
+    }
 
   return retval;
-} 
+}
 
 int
-ack_lsp (struct isis_link_state_hdr *hdr, struct isis_circuit *circuit, 
-         int level)
+ack_lsp (struct isis_link_state_hdr *hdr, struct isis_circuit *circuit,
+	 int level)
 {
   unsigned long lenp;
   int retval;
@@ -2349,32 +2570,32 @@ ack_lsp (struct isis_link_state_hdr *hdr, struct isis_circuit *circuit,
   struct isis_fixed_hdr fixed_hdr;
 
   if (!circuit->snd_stream)
-    circuit->snd_stream = stream_new (ISO_MTU(circuit));
+    circuit->snd_stream = stream_new (ISO_MTU (circuit));
   else
     stream_reset (circuit->snd_stream);
 
 //  fill_llc_hdr (stream);
   if (level == 1)
-    fill_fixed_hdr_andstream (&fixed_hdr, L1_PARTIAL_SEQ_NUM, 
-                              circuit->snd_stream);
+    fill_fixed_hdr_andstream (&fixed_hdr, L1_PARTIAL_SEQ_NUM,
+			      circuit->snd_stream);
   else
-    fill_fixed_hdr_andstream (&fixed_hdr, L2_PARTIAL_SEQ_NUM, 
-                              circuit->snd_stream);
+    fill_fixed_hdr_andstream (&fixed_hdr, L2_PARTIAL_SEQ_NUM,
+			      circuit->snd_stream);
 
 
   lenp = stream_get_putp (circuit->snd_stream);
-  stream_putw (circuit->snd_stream, 0); /* PDU length  */
-  stream_put  (circuit->snd_stream, isis->sysid, ISIS_SYS_ID_LEN);
+  stream_putw (circuit->snd_stream, 0);	/* PDU length  */
+  stream_put (circuit->snd_stream, isis->sysid, ISIS_SYS_ID_LEN);
   stream_putc (circuit->snd_stream, circuit->idx);
-  stream_putc (circuit->snd_stream, 9); /* code */
-  stream_putc (circuit->snd_stream, 16); /* len */
+  stream_putc (circuit->snd_stream, 9);	/* code */
+  stream_putc (circuit->snd_stream, 16);	/* len */
 
-  stream_putw (circuit->snd_stream, ntohs(hdr->rem_lifetime));
-  stream_put  (circuit->snd_stream, hdr->lsp_id, ISIS_SYS_ID_LEN + 2);
-  stream_putl (circuit->snd_stream, ntohl(hdr->seq_num));
-  stream_putw (circuit->snd_stream, ntohs(hdr->checksum));
+  stream_putw (circuit->snd_stream, ntohs (hdr->rem_lifetime));
+  stream_put (circuit->snd_stream, hdr->lsp_id, ISIS_SYS_ID_LEN + 2);
+  stream_putl (circuit->snd_stream, ntohl (hdr->seq_num));
+  stream_putw (circuit->snd_stream, ntohs (hdr->checksum));
 
-  length = (u_int16_t)stream_get_putp (circuit->snd_stream);
+  length = (u_int16_t) stream_get_putp (circuit->snd_stream);
   /* Update PDU length */
   stream_putw_at (circuit->snd_stream, lenp, length);
 
@@ -2388,67 +2609,86 @@ ack_lsp (struct isis_link_state_hdr *hdr, struct isis_circuit *circuit,
  * ISH PDU Processing 
  */
 
-
   /*
    * Let's first check if the local and remote system have any common area
    * addresses 
    */
-  if (area_match(tlvs.area_addrs, isis->man_area_addrs) == 0) {
-    if (circuit->circuit_t == IS_LEVEL_2) {
-      /* do as in table 8 (p. 40) */
-      switch (circuit_type) {
-      case IS_LEVEL_1:
-	if (adj->adj_state != ISIS_ADJ_UP) {
-	  /* Reject */
-	  zlog_warn("areaMismatch");
-	  retval = ISIS_WARNING;
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-	  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch",
-				 circuit->adjdb);
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2 || 
-		   adj->adj_usage == ISIS_ADJ_LEVEL2) {
-	  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
-				 circuit->adjdb);
-	}
-	break;
-      case IS_LEVEL_2:
-	if (adj->adj_state != ISIS_ADJ_UP) {
-	  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL, circuit->adjdb);
-	  adj->adj_usage = ISIS_ADJ_LEVEL2;
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL1 || 
-	           adj->adj_usage == ISIS_ADJ_LEVEL1AND2) { 
-	  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
-				 circuit->adjdb);
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL2) {
-	    ; /* Accept */
-	}
-	break;
-      case IS_LEVEL_1_AND_2:
-	if (adj->adj_state != ISIS_ADJ_UP) {
-	  isis_adj_state_change (adj, ISIS_ADJ_UP, NULL, circuit->adjdb);
-	  adj->adj_usage = ISIS_ADJ_LEVEL2;
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL1) {
-	  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
-				 circuit->adjdb);
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2) { 
-	  isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch",
-				 circuit->adjdb);
-	} else if (adj->adj_usage == ISIS_ADJ_LEVEL2) {
-	    ; /* Accept */
-	}
-	break;
+if (area_match (tlvs.area_addrs, isis->man_area_addrs) == 0)
+  {
+    if (circuit->circuit_t == IS_LEVEL_2)
+      {
+	/* do as in table 8 (p. 40) */
+	switch (circuit_type)
+	  {
+	  case IS_LEVEL_1:
+	    if (adj->adj_state != ISIS_ADJ_UP)
+	      {
+		/* Reject */
+		zlog_warn ("areaMismatch");
+		retval = ISIS_WARNING;
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch",
+				       circuit->adjdb);
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2 ||
+		     adj->adj_usage == ISIS_ADJ_LEVEL2)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
+				       circuit->adjdb);
+	      }
+	    break;
+	  case IS_LEVEL_2:
+	    if (adj->adj_state != ISIS_ADJ_UP)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_UP, NULL,
+				       circuit->adjdb);
+		adj->adj_usage = ISIS_ADJ_LEVEL2;
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL1 ||
+		     adj->adj_usage == ISIS_ADJ_LEVEL1AND2)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
+				       circuit->adjdb);
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL2)
+	      {
+		;		/* Accept */
+	      }
+	    break;
+	  case IS_LEVEL_1_AND_2:
+	    if (adj->adj_state != ISIS_ADJ_UP)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_UP, NULL,
+				       circuit->adjdb);
+		adj->adj_usage = ISIS_ADJ_LEVEL2;
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL1)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Wrong System",
+				       circuit->adjdb);
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL1AND2)
+	      {
+		isis_adj_state_change (adj, ISIS_ADJ_DOWN, "Area Mismatch",
+				       circuit->adjdb);
+	      }
+	    else if (adj->adj_usage == ISIS_ADJ_LEVEL2)
+	      {
+		;		/* Accept */
+	      }
+	    break;
+	  }
+	goto mismatch;
+      }
+    else
+      {
+	isis_delete_adj (adj, circuit->adjdb);
+	zlog_warn ("areaMismatch");
+	return ISIS_WARNING;
       }
-      goto mismatch;
-    } else {
-      isis_delete_adj (adj, circuit->adjdb);
-      zlog_warn("areaMismatch");
-      return ISIS_WARNING;
-    }
   }
 
 mismatch:
 #endif
-
-
-
-