diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index 62b330ed..2b076157 100644
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -56,7 +56,7 @@ ospf_dbdes_body(struct ospf_proto *p, struct ospf_packet *pkt,
   *body = ((void *) pkt) + hlen;
   *count = (plen - hlen) / sizeof(struct ospf_lsa_header);
 }
-  
+
 static void
 ospf_dump_dbdes(struct ospf_proto *p, struct ospf_packet *pkt)
 {
@@ -231,7 +231,7 @@ ospf_send_dbdes(struct ospf_proto *p, struct ospf_neighbor *n, int next)
       tm_start(n->rxmt_timer, n->ifa->rxmtint);
 
     if (!(n->myimms & DBDES_MS))
-      if (!(n->myimms & DBDES_M) && 
+      if (!(n->myimms & DBDES_M) &&
 	  !(n->imms & DBDES_M))
 	ospf_neigh_sm(n, INM_EXDONE);
     break;
@@ -358,7 +358,7 @@ ospf_receive_dbdes(struct ospf_packet *pkt, struct ospf_iface *ifa,
     rcv_imms = ps->imms;
     rcv_ddseq = ntohl(ps->ddseq);
   }
-  
+
   switch (n->state)
   {
   case NEIGHBOR_DOWN:
@@ -397,7 +397,7 @@ ospf_receive_dbdes(struct ospf_packet *pkt, struct ospf_iface *ifa,
 
     if (!(rcv_imms & DBDES_I) &&
 	!(rcv_imms & DBDES_MS) &&
-        (n->rid < p->router_id) &&
+	(n->rid < p->router_id) &&
 	(n->dds == rcv_ddseq))
     {
       /* I'm master! */
diff --git a/proto/ospf/hello.c b/proto/ospf/hello.c
index 50cd8609..3aeb9f9a 100644
--- a/proto/ospf/hello.c
+++ b/proto/ospf/hello.c
@@ -114,7 +114,7 @@ ospf_send_hello(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn)
     {
       if (i == max)
       {
- 	log(L_WARN "%s: Too many neighbors on interface %s", p->p.name, ifa->ifname);
+	log(L_WARN "%s: Too many neighbors on interface %s", p->p.name, ifa->ifname);
 	break;
       }
       neighbors[i] = htonl(neigh->rid);
@@ -143,7 +143,7 @@ ospf_send_hello(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn)
 
     int to_all = ifa->state > OSPF_IS_DROTHER;
     int me_elig = ifa->priority > 0;
- 
+
     if (kind == OHS_POLL)	/* Poll timer */
     {
       WALK_LIST(nb, ifa->nbma_list)
@@ -357,7 +357,7 @@ ospf_receive_hello(struct ospf_packet *pkt, struct ospf_iface *ifa,
   if (ifa->type == OSPF_IT_NBMA)
     if ((ifa->priority == 0) && (n->priority > 0))
       ospf_send_hello(n->ifa, OHS_HELLO, n);
- 
+
 
   /* Examine list of neighbors */
   for (i = 0; i < neigh_count; i++)
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 312e626a..892e8a77 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -47,7 +47,7 @@ wait_timer_hook(timer * timer)
 static inline uint
 ifa_tx_length(struct ospf_iface *ifa)
 {
-  return ifa->cf->tx_length ?: ifa->iface->mtu; 
+  return ifa->cf->tx_length ?: ifa->iface->mtu;
 }
 
 static inline uint
@@ -129,7 +129,7 @@ ospf_sk_open(struct ospf_iface *ifa)
       ifa->des_routers = IPA_NONE;
 
       if (sk_setup_broadcast(sk) < 0)
-        goto err;
+	goto err;
     }
     else
     {
@@ -137,10 +137,10 @@ ospf_sk_open(struct ospf_iface *ifa)
       ifa->des_routers = ospf_is_v2(p) ? IP4_OSPF_DES_ROUTERS : IP6_OSPF_DES_ROUTERS;
 
       if (sk_setup_multicast(sk) < 0)
-        goto err;
+	goto err;
 
       if (sk_join_group(sk, ifa->all_routers) < 0)
-        goto err;
+	goto err;
     }
   }
 
@@ -703,7 +703,7 @@ ospf_iface_reconfigure(struct ospf_iface *ifa, struct ospf_iface_patt *new)
 
   /* Type could be changed in ospf_iface_new(),
      but if config values are same then also results are same */
-  int old_type = ospf_iface_classify(old->type, ifa->addr);  
+  int old_type = ospf_iface_classify(old->type, ifa->addr);
   int new_type = ospf_iface_classify(new->type, ifa->addr);
   if (old_type != new_type)
     return 0;
@@ -1132,7 +1132,7 @@ ospf_reconfigure_ifaces2(struct ospf_proto *p)
 	  ospf_iface_shutdown(ifa);
 	  ospf_iface_remove(ifa);
 	}
-	
+
 	ospf_iface_new(s.oa, a, s.ip);
       }
     }
@@ -1307,4 +1307,3 @@ ospf_iface_info(struct ospf_iface *ifa)
     cli_msg(-1015, "\tBackup designed router (IP): %I", ifa->bdrip);
   }
 }
-
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
index e1af9f46..579d13e8 100644
--- a/proto/ospf/lsalib.c
+++ b/proto/ospf/lsalib.c
@@ -63,11 +63,11 @@ lsa_ntoh_body(void *n, void *h, u16 len)
 
 int
 lsa_flooding_allowed(u32 type, u32 domain, struct ospf_iface *ifa)
-{   
+{
   /* Handle inactive vlinks */
   if (ifa->state == OSPF_IS_DOWN)
     return 0;
- 
+
   /* 4.5.2 (Case 2) */
   switch (LSA_SCOPE(type))
   {
@@ -238,7 +238,7 @@ lsasum_check(struct ospf_lsa_header *h, void *body)
       q = ep;
     for (p = sp; p < q; p++)
     {
-      /* 
+      /*
        * I count with bytes from header and than from body
        * but if there is no body, it's appended to header
        * (probably checksum in update receiving) and I go on
@@ -432,7 +432,7 @@ lsa_parse_ext(struct top_hash_entry *en, int ospf2, struct ospf_lsa_ext_local *r
     rt->fbit = ext->metric & LSA_EXT3_FBIT;
     if (rt->fbit)
       buf = lsa_get_ipv6_addr(buf, &rt->fwaddr);
-    else 
+    else
       rt->fwaddr = IPA_NONE;
 
     rt->tag = (ext->metric & LSA_EXT3_TBIT) ? *buf++ : 0;
@@ -540,7 +540,7 @@ lsa_validate_sum3_net(struct ospf_lsa_header *lsa, struct ospf_lsa_sum3_net *bod
   if (pxl > MAX_PREFIX_LENGTH)
     return 0;
 
-  if (lsa->length != (HDRLEN + sizeof(struct ospf_lsa_sum3_net) + 
+  if (lsa->length != (HDRLEN + sizeof(struct ospf_lsa_sum3_net) +
 		      IPV6_PREFIX_SPACE(pxl)))
     return 0;
 
@@ -607,7 +607,7 @@ lsa_validate_pxlist(struct ospf_lsa_header *lsa, u32 pxcount, uint offset, u8 *p
       u8 pxl = pxlen((u32 *) (pbuf + offset));
       if (pxl > MAX_PREFIX_LENGTH)
 	return 0;
-  
+
       offset += IPV6_PREFIX_SPACE(pxl);
     }
 
diff --git a/proto/ospf/lsreq.c b/proto/ospf/lsreq.c
index 1685ef13..a6c0cf24 100644
--- a/proto/ospf/lsreq.c
+++ b/proto/ospf/lsreq.c
@@ -131,7 +131,7 @@ ospf_receive_lsreq(struct ospf_packet *pkt, struct ospf_iface *ifa,
 
     DBG("Processing requested LSA: Type: %04x, Id: %R, Rt: %R\n", type, id, rt);
 
-    en = ospf_hash_find(p->gr, domain, id, rt, type); 
+    en = ospf_hash_find(p->gr, domain, id, rt, type);
     if (!en)
     {
       log(L_WARN "%s: Received LSREQ from %I for missing LSA (Type: %04x, Id: %R, Rt: %R)",
diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
index 37c89a24..13ae54d1 100644
--- a/proto/ospf/lsupd.c
+++ b/proto/ospf/lsupd.c
@@ -277,7 +277,7 @@ ospf_prepare_lsupd(struct ospf_proto *p, struct ospf_iface *ifa,
       if (ospf_iface_assure_bufsize(ifa, pos + len) < 0)
       {
 	/* Cannot fit in a tx buffer, skip that */
-	log(L_ERR "%s: LSA too large to send on %s (Type: %04x, Id: %R, Rt: %R)", 
+	log(L_ERR "%s: LSA too large to send on %s (Type: %04x, Id: %R, Rt: %R)",
 	    p->p.name, ifa->ifname, en->lsa_type, en->lsa.id, en->lsa.rt);
 	break;
       }
@@ -439,7 +439,7 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
     lsa_n = ((void *) pkt) + offset;
     lsa_len = ntohs(lsa_n->length);
     offset += lsa_len;
- 
+
     if ((offset > plen) || ((lsa_len % 4) != 0) ||
 	(lsa_len <= sizeof(struct ospf_lsa_header)))
     {
@@ -504,7 +504,7 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
     /* 13. (4) - ignore maxage LSA if i have no local copy */
     if ((lsa.age == LSA_MAXAGE) && !en && (p->padj == 0))
     {
-      /* 13.5. - schedule ACKs (tbl 19, case 5) */ 
+      /* 13.5. - schedule ACKs (tbl 19, case 5) */
       ospf_enqueue_lsack(n, lsa_n, ACKL_DIRECT);
       continue;
     }
@@ -575,7 +575,7 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
       /* 13. (5b) - flood new LSA */
       int flood_back = ospf_flood_lsa(p, en, n);
 
-      /* 13.5. - schedule ACKs (tbl 19, cases 1+2) */ 
+      /* 13.5. - schedule ACKs (tbl 19, cases 1+2) */
       if (! flood_back)
 	if ((ifa->state != OSPF_IS_BACKUP) || (n->rid == ifa->drid))
 	  ospf_enqueue_lsack(n, lsa_n, ACKL_DELAY);
@@ -593,7 +593,7 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
       /* Duplicate LSA, treat as implicit ACK */
       int implicit_ack = ospf_lsa_lsrt_down(en, n);
 
-      /* 13.5. - schedule ACKs (tbl 19, cases 3+4) */ 
+      /* 13.5. - schedule ACKs (tbl 19, cases 3+4) */
       if (implicit_ack)
       {
 	if ((ifa->state == OSPF_IS_BACKUP) && (n->rid == ifa->drid))
@@ -631,4 +631,3 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
   if ((n->state == NEIGHBOR_LOADING) && n->want_lsreq && !skip_lsreq)
     ospf_send_lsreq(p, n);
 }
-
diff --git a/proto/ospf/neighbor.c b/proto/ospf/neighbor.c
index c182f0d2..ee1e8d0f 100644
--- a/proto/ospf/neighbor.c
+++ b/proto/ospf/neighbor.c
@@ -56,7 +56,7 @@ release_lsrtl(struct ospf_proto *p, struct ospf_neighbor *n)
 }
 
 /* Resets LSA request and retransmit lists.
- * We do not reset DB summary list iterator here, 
+ * We do not reset DB summary list iterator here,
  * it is reset during entering EXCHANGE state.
  */
 static void
@@ -496,7 +496,7 @@ ospf_dr_election(struct ospf_iface *ifa)
 
   u32 old_drid = ifa->drid;
   u32 old_bdrid = ifa->bdrid;
- 
+
   ifa->drid = ndr ? ndr->rid : 0;
   ifa->drip = ndr ? ndr->ip  : IPA_NONE;
   ifa->dr_iface_id = ndr ? ndr->iface_id : 0;
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index df5fe472..d65dba3b 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -10,7 +10,7 @@
 
 /**
  * DOC: Open Shortest Path First (OSPF)
- * 
+ *
  * The OSPF protocol is quite complicated and its complex implemenation is split
  * to many files. In |ospf.c|, you will find mainly the interface for
  * communication with the core (e.g., reconfiguration hooks, shutdown and
@@ -68,7 +68,7 @@
  * (&ospf_proto->tick). It is responsible for aging and flushing of LSAs in the
  * database, updating topology information in LSAs and for routing table
  * calculation.
- * 
+ *
  * To every &ospf_iface, we connect one or more &ospf_neighbor's -- a structure
  * containing many timers and queues for building adjacency and for exchange of
  * routing messages.
@@ -179,7 +179,7 @@ ospf_area_remove(struct ospf_area *oa)
 
   /* We suppose that interfaces are already removed */
   ospf_flush_area(p, oa->areaid);
- 
+
   fib_free(&oa->rtr);
   fib_free(&oa->net_fib);
   fib_free(&oa->enet_fib);
@@ -207,7 +207,7 @@ static struct ospf_iface *
 ospf_find_vlink(struct ospf_proto *p, u32 voa, u32 vid)
 {
   struct ospf_iface *ifa;
-  WALK_LIST(ifa, p->iface_list) 
+  WALK_LIST(ifa, p->iface_list)
     if ((ifa->type == OSPF_IT_VLINK) && (ifa->voa->areaid == voa) && (ifa->vid == vid))
       return ifa;
   return NULL;
@@ -291,7 +291,7 @@ ospf_dump(struct proto *P)
 static struct proto *
 ospf_init(struct proto_config *c)
 {
-  struct ospf_config *oc = (struct ospf_config *) c;  
+  struct ospf_config *oc = (struct ospf_config *) c;
   struct proto *P = proto_new(c, sizeof(struct ospf_proto));
 
   P->accept_ra_types = RA_OPTIMAL;
@@ -688,7 +688,7 @@ ospf_reconfigure(struct proto *P, struct proto_config *c)
       ospf_area_remove(oa);
 
   ospf_schedule_rtcalc(p);
-  
+
   return 1;
 }
 
@@ -753,12 +753,12 @@ ospf_sh(struct proto *P)
       if (oa == ifa->oa)
       {
 	ifano++;
-        WALK_LIST(n, ifa->neigh_list)
-        {
+	WALK_LIST(n, ifa->neigh_list)
+	{
 	  nno++;
 	  if (n->state == NEIGHBOR_FULL)
 	    adjno++;
-        }
+	}
       }
     }
 
@@ -779,8 +779,8 @@ ospf_sh(struct proto *P)
       anet = (struct area_net *) nftmp;
       if(firstfib)
       {
-        cli_msg(-1014, "\t\tArea networks:");
-        firstfib = 0;
+	cli_msg(-1014, "\t\tArea networks:");
+	firstfib = 0;
       }
       cli_msg(-1014, "\t\t\t%1I/%u\t%s\t%s", anet->fn.prefix, anet->fn.pxlen,
 		anet->hidden ? "Hidden" : "Advertise", anet->active ? "Active" : "");
@@ -793,8 +793,8 @@ ospf_sh(struct proto *P)
       anet = (struct area_net *) nftmp;
       if(firstfib)
       {
-        cli_msg(-1014, "\t\tArea external networks:");
-        firstfib = 0;
+	cli_msg(-1014, "\t\tArea external networks:");
+	firstfib = 0;
       }
       cli_msg(-1014, "\t\t\t%1I/%u\t%s\t%s", anet->fn.prefix, anet->fn.pxlen,
 		anet->hidden ? "Hidden" : "Advertise", anet->active ? "Active" : "");
@@ -917,7 +917,7 @@ lsa_compare_for_state(const void *p1, const void *p2)
 
     return lsa1->sn - lsa2->sn;
   }
-  else 
+  else
   {
     if (lsa1->rt < lsa2->rt)
       return -1;
@@ -936,7 +936,7 @@ lsa_compare_for_state(const void *p1, const void *p2)
 
     if (px1 != px2)
       return px1 - px2;
-  
+
     return lsa1->sn - lsa2->sn;
   }
 }
@@ -1004,7 +1004,7 @@ show_lsa_router(struct ospf_proto *p, struct top_hash_entry *he, int verbose)
 	  struct ospf_lsa_header *net_lsa = &(net_he->lsa);
 	  struct ospf_lsa_net *net_ln = net_he->lsa_body;
 
-	  cli_msg(-1016, "\t\tnetwork %I/%d metric %u", 
+	  cli_msg(-1016, "\t\tnetwork %I/%d metric %u",
 		  ipa_from_u32(net_lsa->id & net_ln->optx),
 		  u32_masklen(net_ln->optx), rtl.metric);
 	}
@@ -1085,7 +1085,7 @@ show_lsa_external(struct top_hash_entry *he, int ospf2)
     he->domain = 0; /* Unmark the LSA */
 
   lsa_parse_ext(he, ospf2, &rt);
-  
+
   if (rt.fbit)
     bsprintf(str_via, " via %I", rt.fwaddr);
 
@@ -1145,7 +1145,7 @@ ospf_sh_state(struct proto *P, int verbose, int reachable)
     return;
   }
 
-  /* We store interesting area-scoped LSAs in array hea and 
+  /* We store interesting area-scoped LSAs in array hea and
      global-scoped (LSA_T_EXT) LSAs in array hex */
 
   int num = p->gr->hash_entries;
@@ -1343,7 +1343,7 @@ lsa_compare_for_lsadb(const void *p1, const void *p2)
 
   if (lsa1->rt != lsa2->rt)
     return lsa1->rt - lsa2->rt;
-  
+
   if (lsa1->id != lsa2->id)
     return lsa1->id - lsa2->id;
 
@@ -1390,7 +1390,7 @@ ospf_sh_lsadb(struct lsadb_show_data *ld)
     struct ospf_lsa_header *lsa = &(hea[i]->lsa);
     u16 lsa_type = lsa->type_raw & type_mask;
     u16 dscope = LSA_SCOPE(hea[i]->lsa_type);
-    
+
     /* Hack: 1 is used for LSA_SCOPE_LINK, fixed by & 0xf000 */
     if (ld->scope && (dscope != (ld->scope & 0xf000)))
       continue;
@@ -1407,7 +1407,7 @@ ospf_sh_lsadb(struct lsadb_show_data *ld)
 
     if (ld->router && (lsa->rt != ld->router))
       continue;
-    
+
     if ((dscope != last_dscope) || (hea[i]->domain != last_domain))
     {
       cli_msg(-1017, "");
@@ -1456,4 +1456,3 @@ struct protocol proto_ospf = {
   .get_attr =		ospf_get_attr,
   .get_route_info =	ospf_get_route_info
 };
-
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index e5713628..7e5996f6 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -127,8 +127,8 @@ struct ospf_area_config
   u8 translator;		/* Translator role, for NSSA ABR */
   u32 transint;			/* Translator stability interval */
   list patt_list;		/* List of iface configs (struct ospf_iface_patt) */
-  list net_list;	      	/* List of aggregate networks for that area */
-  list enet_list;	      	/* List of aggregate external (NSSA) networks */
+  list net_list;		/* List of aggregate networks for that area */
+  list enet_list;		/* List of aggregate external (NSSA) networks */
   list stubnet_list;		/* List of stub networks added to Router LSA */
 };
 
@@ -163,7 +163,7 @@ struct nbma_node
   node n;
   ip_addr ip;
   byte eligible;
-  byte found; 
+  byte found;
 };
 
 struct ospf_iface_patt
@@ -215,7 +215,7 @@ struct ospf_iface_patt
 #define HELLOINT_D 10
 #define POLLINT_D 20
 #define DEADC_D 4
-#define WAIT_DMH 4		
+#define WAIT_DMH 4
   /* Value of Wait timer - not found it in RFC * - using 4*HELLO */
 
 
@@ -334,7 +334,7 @@ struct ospf_iface
 #define OSPF_I_OK 0		/* Everything OK */
 #define OSPF_I_SK 1		/* Socket open failed */
 #define OSPF_I_LL 2		/* Missing link-local address (OSPFv3) */
-  u8 sk_dr; 			/* Socket is a member of designated routers group */
+  u8 sk_dr;			/* Socket is a member of designated routers group */
   u8 marked;			/* Used in OSPF reconfigure, 2 for force restart */
   u16 rxbuf;			/* Buffer size */
   u16 tx_length;		/* Soft TX packet length limit, usually MTU */
diff --git a/proto/ospf/packet.c b/proto/ospf/packet.c
index 96351178..d64d7d6b 100644
--- a/proto/ospf/packet.c
+++ b/proto/ospf/packet.c
@@ -92,7 +92,7 @@ ospf_pkt_finalize(struct ospf_iface *ifa, struct ospf_packet *pkt)
       ifa->csn_use = now;
     }
 
-    /* We must have sufficient delay between sending a packet and increasing 
+    /* We must have sufficient delay between sending a packet and increasing
        CSN to prevent reordering of packets (in a network) with different CSNs */
     if ((now - ifa->csn_use) > 1)
       ifa->csn++;
@@ -253,7 +253,7 @@ ospf_rx_hook(sock *sk, int size)
   struct ospf_iface *ifa = sk->data;
   struct ospf_proto *p = ifa->oa->po;
 
-  int src_local, dst_local, dst_mcast; 
+  int src_local, dst_local, dst_mcast;
   src_local = ipa_in_net(sk->faddr, ifa->addr->prefix, ifa->addr->pxlen);
   dst_local = ipa_equal(sk->laddr, ifa->addr->ip);
   dst_mcast = ipa_equal(sk->laddr, ifa->all_routers) || ipa_equal(sk->laddr, ifa->des_routers);
@@ -264,7 +264,7 @@ ospf_rx_hook(sock *sk, int size)
      * In OSPFv2, they might be for other ospf_ifaces (with different IP
      * prefix) on the same real iface, so we don't log it. We enforce
      * that (src_local || dst_local), therefore we are eliminating all
-     * such cases. 
+     * such cases.
      */
     if (dst_mcast && !src_local)
       return 1;
@@ -277,7 +277,7 @@ ospf_rx_hook(sock *sk, int size)
   }
   else
   {
-    /* In OSPFv3, src_local and dst_local mean link-local. 
+    /* In OSPFv3, src_local and dst_local mean link-local.
      * RFC 5340 says that local (non-vlink) packets use
      * link-local src address, but does not enforce it. Strange.
      */
@@ -385,7 +385,7 @@ ospf_rx_hook(sock *sk, int size)
     struct ospf_iface *iff = NULL;
     WALK_LIST(iff, p->iface_list)
     {
-      if ((iff->type == OSPF_IT_VLINK) && 
+      if ((iff->type == OSPF_IT_VLINK) &&
 	  (iff->voa == ifa->oa) &&
 	  (iff->instance_id == instance_id) &&
 	  (iff->vid == rid))
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 9d146ce2..16453b87 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -1,16 +1,16 @@
 /*
  *	BIRD -- OSPF
- * 
+ *
  *	(c) 2000--2004 Ondrej Filip <feela@network.cz>
  *	(c) 2009--2014 Ondrej Zajicek <santiago@crfreenet.org>
  *	(c) 2009--2014 CZ.NIC z.s.p.o.
- * 
+ *
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
 
 #include "ospf.h"
 
-static void add_cand(list * l, struct top_hash_entry *en, 
+static void add_cand(list * l, struct top_hash_entry *en,
 		     struct top_hash_entry *par, u32 dist,
 		     struct ospf_area *oa, int i);
 static void rt_sync(struct ospf_proto *p);
@@ -270,7 +270,7 @@ orta_compare(const struct ospf_proto *p, const orta *new, const orta *old)
   /* Prefer routes with higher Router ID, just to be more deterministic */
   if (new->rid > old->rid)
     return 1;
-  
+
   return -1;
 }
 
@@ -503,7 +503,7 @@ add_network(struct ospf_area *oa, ip_addr px, int pxlen, int metric, struct top_
 
   if (en == oa->rt)
   {
-    /* 
+    /*
      * Local stub networks does not have proper iface in en->nhi
      * (because they all have common top_hash_entry en).
      * We have to find iface responsible for that stub network.
@@ -810,7 +810,7 @@ link_back(struct ospf_area *oa, struct top_hash_entry *en, struct top_hash_entry
   return 0;
 }
 
-  
+
 /* RFC 2328 16.2. calculating inter-area routes */
 static void
 ospf_rt_sum(struct ospf_area *oa)
@@ -822,7 +822,7 @@ ospf_rt_sum(struct ospf_area *oa)
   ort *abr;
   int pxlen = -1, type = -1;
   u8 pxopts;
-  
+
 
   OSPF_TRACE(D_EVENTS, "Starting routing table calculation for inter-area (area %R)", oa->areaid);
 
@@ -864,7 +864,7 @@ ospf_rt_sum(struct ospf_area *oa)
     else /* LSA_T_SUM_RT */
     {
       lsa_parse_sum_rt(en, ospf_is_v2(p), &dst_rid, &metric, &options);
-      
+
       /* We don't want local router in ASBR routing table */
       if (dst_rid == p->router_id)
 	continue;
@@ -966,9 +966,9 @@ ospf_rt_sum_tr(struct ospf_area *oa)
       re = fib_find(&bb->rtr, &ip, MAX_PREFIX_LENGTH);
     }
 
-    /* 16.3 (1b) */ 
-    if (metric == LSINFINITY) 
-      continue; 
+    /* 16.3 (1b) */
+    if (metric == LSINFINITY)
+      continue;
 
     /* 16.3 (3) */
     if (!re || !re->n.type)
@@ -989,7 +989,7 @@ ospf_rt_sum_tr(struct ospf_area *oa)
     metric = abr->n.metric1 + metric; /* IAC */
 
     /* 16.3. (5) */
-    if ((metric < re->n.metric1) || 
+    if ((metric < re->n.metric1) ||
 	((metric == re->n.metric1) && unresolved_vlink(re)))
     {
       /* We want to replace the next-hop even if the metric is equal
@@ -1075,7 +1075,7 @@ decide_sum_lsa(struct ospf_area *oa, ort *nf, int dest)
   struct area_net *anet = (struct area_net *)
     fib_route(&nf->n.oa->net_fib, nf->fn.prefix, nf->fn.pxlen);
 
-  /* Condensed area network found */ 
+  /* Condensed area network found */
   if (anet)
     return 0;
 
@@ -1132,7 +1132,7 @@ decide_nssa_lsa(struct ospf_proto *p, ort *nf, struct ospf_lsa_ext_local *rt)
   if (!rt_is_nssa(nf) || !oa->translate)
     return 0;
 
-  /* Condensed area network found */ 
+  /* Condensed area network found */
   if (fib_route(&oa->enet_fib, nf->fn.prefix, nf->fn.pxlen))
     return 0;
 
@@ -1141,7 +1141,7 @@ decide_nssa_lsa(struct ospf_proto *p, ort *nf, struct ospf_lsa_ext_local *rt)
 
   /* We do not store needed data in struct orta, we have to parse the LSA */
   lsa_parse_ext(en, ospf_is_v2(p), rt);
-  
+
   if (rt->pxopts & OPT_PX_NU)
     return 0;
 
@@ -1200,18 +1200,18 @@ ospf_check_vlinks(struct ospf_proto *p)
       {
 	struct ospf_iface *nhi = ospf_iface_find(p, tmp->nhs->iface);
 
-        if ((ifa->state != OSPF_IS_PTP)
+	if ((ifa->state != OSPF_IS_PTP)
 	    || (ifa->vifa != nhi)
 	    || !ipa_equal(ifa->vip, tmp->lb))
-        {
-          OSPF_TRACE(D_EVENTS, "Vlink peer %R found", tmp->lsa.id);
-          ospf_iface_sm(ifa, ISM_DOWN);
+	{
+	  OSPF_TRACE(D_EVENTS, "Vlink peer %R found", tmp->lsa.id);
+	  ospf_iface_sm(ifa, ISM_DOWN);
 	  ifa->vifa = nhi;
 	  ifa->addr = nhi->addr;
 	  ifa->cost = tmp->dist;
-          ifa->vip = tmp->lb;
-          ospf_iface_sm(ifa, ISM_UP);
-        }
+	  ifa->vip = tmp->lb;
+	  ospf_iface_sm(ifa, ISM_UP);
+	}
 	else if ((ifa->state == OSPF_IS_PTP) && (ifa->cost != tmp->dist))
 	{
 	  ifa->cost = tmp->dist;
@@ -1222,11 +1222,11 @@ ospf_check_vlinks(struct ospf_proto *p)
       }
       else
       {
-        if (ifa->state > OSPF_IS_DOWN)
-        {
-          OSPF_TRACE(D_EVENTS, "Vlink peer %R lost", ifa->vid);
+	if (ifa->state > OSPF_IS_DOWN)
+	{
+	  OSPF_TRACE(D_EVENTS, "Vlink peer %R lost", ifa->vid);
 	  ospf_iface_sm(ifa, ISM_DOWN);
-        }
+	}
       }
     }
   }
@@ -1343,7 +1343,7 @@ static void
 translator_timer_hook(timer *timer)
 {
   struct ospf_area *oa = timer->data;
-  
+
   if (oa->translate != TRANS_WAIT)
     return;
 
@@ -1727,7 +1727,7 @@ ospf_rt_spf(struct ospf_proto *p)
 
   rt_sync(p);
   lp_flush(p->nhpool);
-  
+
   p->calcrt = 0;
 }
 
@@ -1756,7 +1756,7 @@ calc_next_hop(struct ospf_area *oa, struct top_hash_entry *en,
   if (inherit_nexthops(pn))
     return pn;
 
-  /* 
+  /*
    * There are three cases:
    * 1) en is a local network (and par is root)
    * 2) en is a ptp or ptmp neighbor (and par is root)
@@ -1821,7 +1821,7 @@ calc_next_hop(struct ospf_area *oa, struct top_hash_entry *en,
 	return NULL;
 
       struct ospf_lsa_link *llsa = lhe->lsa_body;
-      
+
       if (ipa_zero(llsa->lladdr))
 	return NULL;
 
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index bc2de79f..4e3da0de 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -31,7 +31,7 @@ static inline void lsab_reset(struct ospf_proto *p);
  * ospf_install_lsa - install new LSA into database
  * @p: OSPF protocol instance
  * @lsa: LSA header
- * @type: type of LSA 
+ * @type: type of LSA
  * @domain: domain of LSA
  * @body: pointer to LSA body
  *
@@ -93,7 +93,7 @@ ospf_install_lsa(struct ospf_proto *p, struct ospf_lsa_header *lsa, u32 type, u3
  * @p: OSPF protocol instance
  * @en: current LSA entry or NULL
  * @lsa: new LSA header
- * @type: type of LSA 
+ * @type: type of LSA
  * @domain: domain of LSA
  * @body: pointer to LSA body
  *
@@ -136,7 +136,7 @@ ospf_advance_lsa(struct ospf_proto *p, struct top_hash_entry *en, struct ospf_ls
     }
     else
     {
-      /* 
+      /*
        * Received LSA has maximal sequence number, so we cannot simply override
        * it. We have to install it to the database, immediately flush it to
        * implement sequence number wrapping, and schedule our current LSA to be
@@ -181,10 +181,10 @@ ospf_advance_lsa(struct ospf_proto *p, struct top_hash_entry *en, struct ospf_ls
     en = ospf_install_lsa(p, lsa, type, domain, body);
   }
 
-  /* 
+  /*
    * We flood the updated LSA. Although in some cases the to-be-flooded LSA is
    * the same as the received LSA, and therefore we should propagate it as
-   * regular received LSA (send the acknowledgement instead of the update to 
+   * regular received LSA (send the acknowledgement instead of the update to
    * the neighbor we received it from), we cheat a bit here.
    */
 
@@ -341,7 +341,7 @@ ospf_originate_next_lsa(struct ospf_proto *p, struct top_hash_entry *en)
 
   if (! ospf_do_originate_lsa(p, en, en->next_lsa_body, en->next_lsa_blen, en->next_lsa_opts))
     return;
-  
+
   en->next_lsa_body = NULL;
   en->next_lsa_blen = 0;
   en->next_lsa_opts = 0;
@@ -776,7 +776,7 @@ prepare_rt2_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
 	(ifa->state == OSPF_IS_LOOP) ||
 	(ifa->type == OSPF_IT_PTMP))
       add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(ifa->addr->ip), 0xffffffff, 0);
-    else 
+    else
       add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(ifa->addr->prefix), u32_mkmask(ifa->addr->pxlen), ifa->cost);
     i++;
 
@@ -789,7 +789,7 @@ prepare_rt2_lsa_body(struct ospf_proto *p, struct ospf_area *oa)
       add_rt2_lsa_link(p, LSART_STUB, ipa_to_u32(sn->px.addr), u32_mkmask(sn->px.len), sn->cost), i++;
 
   struct ospf_lsa_rt *rt = p->lsab;
-  /* Store number of links in lower half of options */ 
+  /* Store number of links in lower half of options */
   rt->options = get_rt_options(p, oa, bitv) | (u16) i;
 }
 
@@ -1119,7 +1119,7 @@ prepare_ext3_lsa_body(struct ospf_proto *p, ort *nf,
  * If I receive a message that new route is installed, I try to originate an
  * external LSA. If @oa is an NSSA area, NSSA-LSA is originated instead.
  * @oa should not be a stub area. @src does not specify whether the LSA
- * is external or NSSA, but it specifies the source of origination - 
+ * is external or NSSA, but it specifies the source of origination -
  * the export from ospf_rt_notify(), or the NSSA-EXT translation.
  */
 void
@@ -1494,7 +1494,7 @@ prefix_same(u32 *b1, u32 *b2)
   int pxl1 = *b1 >> 24;
   int pxl2 = *b2 >> 24;
   int pxs, i;
-  
+
   if (pxl1 != pxl2)
     return 0;
 
@@ -1583,7 +1583,7 @@ prepare_prefix_net_lsa_body(struct ospf_proto *p, struct ospf_iface *ifa)
 
   WALK_LIST(n, ifa->neigh_list)
     if ((n->state == NEIGHBOR_FULL) &&
-      	(en = ospf_hash_find(p->gr, ifa->iface_id, n->iface_id, n->rid, LSA_T_LINK)))
+	(en = ospf_hash_find(p->gr, ifa->iface_id, n->iface_id, n->rid, LSA_T_LINK)))
       add_link_lsa(p, en->lsa_body, offset, &pxc);
 
   lp = p->lsab;
@@ -1886,7 +1886,7 @@ ospf_hash_get(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
   ee = f->hash_table + ospf_top_hash(f, domain, lsa, rtr, type);
   e = *ee;
 
-  while (e && (e->lsa.id != lsa || e->lsa.rt != rtr || 
+  while (e && (e->lsa.id != lsa || e->lsa.rt != rtr ||
 	       e->lsa_type != type || e->domain != domain))
     e = e->next;
 
@@ -1914,7 +1914,7 @@ ospf_hash_get(struct top_graph *f, u32 domain, u32 lsa, u32 rtr, u32 type)
 void
 ospf_hash_delete(struct top_graph *f, struct top_hash_entry *e)
 {
-  struct top_hash_entry **ee = f->hash_table + 
+  struct top_hash_entry **ee = f->hash_table +
     ospf_top_hash(f, e->domain, e->lsa.id, e->lsa.rt, e->lsa_type);
 
   while (*ee)
@@ -1955,7 +1955,7 @@ ospf_dump_lsa(struct top_hash_entry *he, struct proto *p)
       rr = (struct ospf_lsa_rt_link *) (rt + 1);
 
       for (i = 0; i < lsa_rt_items(&he->lsa); i++)
-        OSPF_TRACE(D_EVENTS, "  - %1x %-1R %-1R %5u",
+	OSPF_TRACE(D_EVENTS, "  - %1x %-1R %-1R %5u",
 		   rr[i].type, rr[i].id, rr[i].data, rr[i].metric);
       break;
 
@@ -1964,7 +1964,7 @@ ospf_dump_lsa(struct top_hash_entry *he, struct proto *p)
       rts = (u32 *) (ln + 1);
 
       for (i = 0; i < lsa_net_items(&he->lsa); i++)
-        OSPF_TRACE(D_EVENTS, "  - %-1R", rts[i]);
+	OSPF_TRACE(D_EVENTS, "  - %-1R", rts[i]);
       break;
 
     default:
diff --git a/proto/ospf/topology.h b/proto/ospf/topology.h
index b34689e2..e2d6c773 100644
--- a/proto/ospf/topology.h
+++ b/proto/ospf/topology.h
@@ -18,7 +18,7 @@ struct top_hash_entry
 				   in intra-area routing table calculation */
   struct top_hash_entry *next;	/* Next in hash chain */
   struct ospf_lsa_header lsa;
-  u16 lsa_type;			/* lsa.type processed and converted to common values (LSA_T_*) */	
+  u16 lsa_type;			/* lsa.type processed and converted to common values (LSA_T_*) */
   u16 init_age;			/* Initial value for lsa.age during inst_time */
   u32 domain;			/* Area ID for area-wide LSAs, Iface ID for link-wide LSAs */
   //  struct ospf_area *oa;