]> git.proxmox.com Git - mirror_frr.git/blobdiff - zebra/rt_socket.c
Merge branch 'master' into PIM_VRF
[mirror_frr.git] / zebra / rt_socket.c
index fd8010ca0b907134bc480a321571f7b83810178a..4e4d726b4618042ad7878bc0f073a7d40582bc39 100644 (file)
@@ -20,6 +20,9 @@
  */
 
 #include <zebra.h>
+
+#ifndef HAVE_NETLINK
+
 #ifdef __OpenBSD__
 #include <netmpls/mpls.h>
 #endif
 extern struct zebra_privs_t zserv_privs;
 
 /* kernel socket export */
-extern int rtm_write (int message, union sockunion *dest,
-                      union sockunion *mask, union sockunion *gate,
-                      union sockunion *mpls, unsigned int index,
-                      int zebra_flags, int metric);
+extern int rtm_write(int message, union sockunion *dest, union sockunion *mask,
+                    union sockunion *gate, union sockunion *mpls,
+                    unsigned int index, int zebra_flags, int metric);
 
 #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
 /* Adjust netmask socket length. Return value is a adjusted sin_len
    value. */
-static int
-sin_masklen (struct in_addr mask)
+static int sin_masklen(struct in_addr mask)
 {
-  char *p, *lim;
-  int len;
-  struct sockaddr_in sin;
+       char *p, *lim;
+       int len;
+       struct sockaddr_in sin;
 
-  if (mask.s_addr == 0) 
-    return sizeof (long);
+       if (mask.s_addr == 0)
+               return sizeof(long);
 
-  sin.sin_addr = mask;
-  len = sizeof (struct sockaddr_in);
+       sin.sin_addr = mask;
+       len = sizeof(struct sockaddr_in);
 
-  lim = (char *) &sin.sin_addr;
-  p = lim + sizeof (sin.sin_addr);
+       lim = (char *)&sin.sin_addr;
+       p = lim + sizeof(sin.sin_addr);
 
-  while (*--p == 0 && p >= lim) 
-    len--;
-  return len;
+       while (*--p == 0 && p >= lim)
+               len--;
+       return len;
 }
 #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
 
 /* Interface between zebra message and rtm message. */
-static int
-kernel_rtm_ipv4 (int cmd, struct prefix *p, struct route_entry *re)
+static int kernel_rtm_ipv4(int cmd, struct prefix *p, struct route_entry *re)
 
 {
-  struct sockaddr_in *mask = NULL;
-  struct sockaddr_in sin_dest, sin_mask, sin_gate;
+       struct sockaddr_in *mask = NULL;
+       struct sockaddr_in sin_dest, sin_mask, sin_gate;
 #ifdef __OpenBSD__
-  struct sockaddr_mpls smpls;
+       struct sockaddr_mpls smpls;
 #endif
-  union sockunion *smplsp = NULL;
-  struct nexthop *nexthop;
-  int nexthop_num = 0;
-  ifindex_t ifindex = 0;
-  int gate = 0;
-  int error;
-  char prefix_buf[PREFIX_STRLEN];
-
-  if (IS_ZEBRA_DEBUG_RIB)
-    prefix2str (p, prefix_buf, sizeof(prefix_buf));
-  memset (&sin_dest, 0, sizeof (struct sockaddr_in));
-  sin_dest.sin_family = AF_INET;
+       union sockunion *smplsp = NULL;
+       struct nexthop *nexthop;
+       int nexthop_num = 0;
+       ifindex_t ifindex = 0;
+       int gate = 0;
+       int error;
+       char prefix_buf[PREFIX_STRLEN];
+
+       if (IS_ZEBRA_DEBUG_RIB)
+               prefix2str(p, prefix_buf, sizeof(prefix_buf));
+       memset(&sin_dest, 0, sizeof(struct sockaddr_in));
+       sin_dest.sin_family = AF_INET;
 #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
-  sin_dest.sin_len = sizeof (struct sockaddr_in);
+       sin_dest.sin_len = sizeof(struct sockaddr_in);
 #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
-  sin_dest.sin_addr = p->u.prefix4;
+       sin_dest.sin_addr = p->u.prefix4;
 
-  memset (&sin_mask, 0, sizeof (struct sockaddr_in));
+       memset(&sin_mask, 0, sizeof(struct sockaddr_in));
 
-  memset (&sin_gate, 0, sizeof (struct sockaddr_in));
-  sin_gate.sin_family = AF_INET;
+       memset(&sin_gate, 0, sizeof(struct sockaddr_in));
+       sin_gate.sin_family = AF_INET;
 #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
-  sin_gate.sin_len = sizeof (struct sockaddr_in);
+       sin_gate.sin_len = sizeof(struct sockaddr_in);
 #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
 
-  /* Make gateway. */
-  for (ALL_NEXTHOPS(re->nexthop, nexthop))
-    {
-      if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
-        continue;
-
-      gate = 0;
-      char gate_buf[INET_ADDRSTRLEN] = "NULL";
-
-      /*
-       * XXX We need to refrain from kernel operations in some cases,
-       * but this if statement seems overly cautious - what about
-       * other than ADD and DELETE?
-       */
-      if ((cmd == RTM_ADD
-          && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
-         || (cmd == RTM_DELETE
-             && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)
-             ))
-       {
-         if (nexthop->type == NEXTHOP_TYPE_IPV4 ||
-             nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
-           {
-             sin_gate.sin_addr = nexthop->gate.ipv4;
-             gate = 1;
-           }
-         if (nexthop->type == NEXTHOP_TYPE_IFINDEX
-             || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
-           ifindex = nexthop->ifindex;
-         if (nexthop->type == NEXTHOP_TYPE_BLACKHOLE)
-           {
-             struct in_addr loopback;
-             loopback.s_addr = htonl (INADDR_LOOPBACK);
-             sin_gate.sin_addr = loopback;
-             gate = 1;
-           }
-
-         if (gate && p->prefixlen == 32)
-           mask = NULL;
-         else
-           {
-             masklen2ip (p->prefixlen, &sin_mask.sin_addr);
-             sin_mask.sin_family = AF_INET;
+       /* Make gateway. */
+       for (ALL_NEXTHOPS(re->nexthop, nexthop)) {
+               if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
+                       continue;
+
+               gate = 0;
+               char gate_buf[INET_ADDRSTRLEN] = "NULL";
+
+               /*
+                * XXX We need to refrain from kernel operations in some cases,
+                * but this if statement seems overly cautious - what about
+                * other than ADD and DELETE?
+                */
+               if ((cmd == RTM_ADD
+                    && CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE))
+                   || (cmd == RTM_DELETE
+                       && CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB))) {
+                       if (nexthop->type == NEXTHOP_TYPE_IPV4
+                           || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX) {
+                               sin_gate.sin_addr = nexthop->gate.ipv4;
+                               gate = 1;
+                       }
+                       if (nexthop->type == NEXTHOP_TYPE_IFINDEX
+                           || nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
+                               ifindex = nexthop->ifindex;
+                       if (nexthop->type == NEXTHOP_TYPE_BLACKHOLE) {
+                               struct in_addr loopback;
+                               loopback.s_addr = htonl(INADDR_LOOPBACK);
+                               sin_gate.sin_addr = loopback;
+                               gate = 1;
+                       }
+
+                       if (gate && p->prefixlen == 32)
+                               mask = NULL;
+                       else {
+                               masklen2ip(p->prefixlen, &sin_mask.sin_addr);
+                               sin_mask.sin_family = AF_INET;
 #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
-             sin_mask.sin_len = sin_masklen (sin_mask.sin_addr);
+                               sin_mask.sin_len =
+                                       sin_masklen(sin_mask.sin_addr);
 #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
-             mask = &sin_mask;
-           }
+                               mask = &sin_mask;
+                       }
 
 #ifdef __OpenBSD__
-         if (nexthop->nh_label)
-           {
-             memset (&smpls, 0, sizeof (smpls));
-             smpls.smpls_len = sizeof (smpls);
-             smpls.smpls_family = AF_MPLS;
-             smpls.smpls_label =
-               htonl (nexthop->nh_label->label[0] << MPLS_LABEL_OFFSET);
-             smplsp = (union sockunion *)&smpls;
-           }
+                       if (nexthop->nh_label) {
+                               memset(&smpls, 0, sizeof(smpls));
+                               smpls.smpls_len = sizeof(smpls);
+                               smpls.smpls_family = AF_MPLS;
+                               smpls.smpls_label =
+                                       htonl(nexthop->nh_label->label[0]
+                                             << MPLS_LABEL_OFFSET);
+                               smplsp = (union sockunion *)&smpls;
+                       }
 #endif
 
-         error = rtm_write (cmd,
-                            (union sockunion *)&sin_dest, 
-                            (union sockunion *)mask, 
-                            gate ? (union sockunion *)&sin_gate : NULL,
-                            smplsp,
-                            ifindex,
-                            re->flags,
-                            re->metric);
-
-           if (IS_ZEBRA_DEBUG_RIB)
-           {
-             if (!gate)
-             {
-               zlog_debug ("%s: %s: attention! gate not found for re %p",
-                 __func__, prefix_buf, re);
-               route_entry_dump (p, NULL, re);
-             }
-             else
-               inet_ntop (AF_INET, &sin_gate.sin_addr, gate_buf, INET_ADDRSTRLEN);
-           }
-           switch (error)
-           {
-             /* We only flag nexthops as being in FIB if rtm_write() did its work. */
-             case ZEBRA_ERR_NOERROR:
-               nexthop_num++;
-               if (IS_ZEBRA_DEBUG_RIB)
-                 zlog_debug ("%s: %s: successfully did NH %s",
-                   __func__, prefix_buf, gate_buf);
-               if (cmd == RTM_ADD)
-                 SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
-               break;
-             /* The only valid case for this error is kernel's failure to install
-              * a multipath route, which is common for FreeBSD. This should be
-              * ignored silently, but logged as an error otherwise.
-              */
-             case ZEBRA_ERR_RTEXIST:
-               if (cmd != RTM_ADD)
-                 zlog_err ("%s: rtm_write() returned %d for command %d",
-                   __func__, error, cmd);
-               continue;
-               break;
-             /* Given that our NEXTHOP_FLAG_FIB matches real kernel FIB, it isn't
-              * normal to get any other messages in ANY case.
-              */
-             case ZEBRA_ERR_RTNOEXIST:
-             case ZEBRA_ERR_RTUNREACH:
-             default:
-               zlog_err ("%s: %s: rtm_write() unexpectedly returned %d for command %s",
-                 __func__, prefix2str(p, prefix_buf, sizeof(prefix_buf)),
-                 error, lookup_msg(rtm_type_str, cmd, NULL));
-               break;
-           }
-         } /* if (cmd and flags make sense) */
-       else
-         if (IS_ZEBRA_DEBUG_RIB)
-           zlog_debug ("%s: odd command %s for flags %d",
-             __func__, lookup_msg(rtm_type_str, cmd, NULL), nexthop->flags);
-     } /* for (ALL_NEXTHOPS(...))*/
-   /* If there was no useful nexthop, then complain. */
-   if (nexthop_num == 0 && IS_ZEBRA_DEBUG_KERNEL)
-     zlog_debug ("%s: No useful nexthops were found in RIB entry %p", __func__, re);
-
-  return 0; /*XXX*/
+                       error = rtm_write(
+                               cmd, (union sockunion *)&sin_dest,
+                               (union sockunion *)mask,
+                               gate ? (union sockunion *)&sin_gate : NULL,
+                               smplsp, ifindex, re->flags, re->metric);
+
+                       if (IS_ZEBRA_DEBUG_RIB) {
+                               if (!gate) {
+                                       zlog_debug(
+                                               "%s: %s: attention! gate not found for re %p",
+                                               __func__, prefix_buf, re);
+                                       route_entry_dump(p, NULL, re);
+                               } else
+                                       inet_ntop(AF_INET, &sin_gate.sin_addr,
+                                                 gate_buf, INET_ADDRSTRLEN);
+                       }
+
+                       switch (error) {
+                       /* We only flag nexthops as being in FIB if rtm_write()
+                        * did its work. */
+                       case ZEBRA_ERR_NOERROR:
+                               nexthop_num++;
+                               if (IS_ZEBRA_DEBUG_RIB)
+                                       zlog_debug(
+                                               "%s: %s: successfully did NH %s",
+                                               __func__, prefix_buf, gate_buf);
+                               if (cmd == RTM_ADD)
+                                       SET_FLAG(nexthop->flags,
+                                                NEXTHOP_FLAG_FIB);
+                               break;
+
+                       /* The only valid case for this error is kernel's
+                        * failure to install
+                        * a multipath route, which is common for FreeBSD. This
+                        * should be
+                        * ignored silently, but logged as an error otherwise.
+                        */
+                       case ZEBRA_ERR_RTEXIST:
+                               if (cmd != RTM_ADD)
+                                       zlog_err(
+                                               "%s: rtm_write() returned %d for command %d",
+                                               __func__, error, cmd);
+                               continue;
+                               break;
+
+                       /* Given that our NEXTHOP_FLAG_FIB matches real kernel
+                        * FIB, it isn't
+                        * normal to get any other messages in ANY case.
+                        */
+                       case ZEBRA_ERR_RTNOEXIST:
+                       case ZEBRA_ERR_RTUNREACH:
+                       default:
+                               zlog_err(
+                                       "%s: %s: rtm_write() unexpectedly returned %d for command %s",
+                                       __func__,
+                                       prefix2str(p, prefix_buf,
+                                                  sizeof(prefix_buf)),
+                                       error,
+                                       lookup_msg(rtm_type_str, cmd, NULL));
+                               break;
+                       }
+               } /* if (cmd and flags make sense) */
+               else if (IS_ZEBRA_DEBUG_RIB)
+                       zlog_debug("%s: odd command %s for flags %d", __func__,
+                                  lookup_msg(rtm_type_str, cmd, NULL),
+                                  nexthop->flags);
+       } /* for (ALL_NEXTHOPS(...))*/
+
+       /* If there was no useful nexthop, then complain. */
+       if (nexthop_num == 0 && IS_ZEBRA_DEBUG_KERNEL)
+               zlog_debug("%s: No useful nexthops were found in RIB entry %p",
+                          __func__, re);
+
+       return 0; /*XXX*/
 }
 
 #ifdef SIN6_LEN
 /* Calculate sin6_len value for netmask socket value. */
-static int
-sin6_masklen (struct in6_addr mask)
+static int sin6_masklen(struct in6_addr mask)
 {
-  struct sockaddr_in6 sin6;
-  char *p, *lim;
-  int len;
+       struct sockaddr_in6 sin6;
+       char *p, *lim;
+       int len;
 
-  if (IN6_IS_ADDR_UNSPECIFIED (&mask)) 
-    return sizeof (long);
+       if (IN6_IS_ADDR_UNSPECIFIED(&mask))
+               return sizeof(long);
 
-  sin6.sin6_addr = mask;
-  len = sizeof (struct sockaddr_in6);
+       sin6.sin6_addr = mask;
+       len = sizeof(struct sockaddr_in6);
 
-  lim = (char *) & sin6.sin6_addr;
-  p = lim + sizeof (sin6.sin6_addr);
+       lim = (char *)&sin6.sin6_addr;
+       p = lim + sizeof(sin6.sin6_addr);
 
-  while (*--p == 0 && p >= lim) 
-    len--;
+       while (*--p == 0 && p >= lim)
+               len--;
 
-  return len;
+       return len;
 }
 #endif /* SIN6_LEN */
 
 /* Interface between zebra message and rtm message. */
-static int
-kernel_rtm_ipv6 (int cmd, struct prefix *p, struct route_entry *re)
+static int kernel_rtm_ipv6(int cmd, struct prefix *p, struct route_entry *re)
 {
-  struct sockaddr_in6 *mask;
-  struct sockaddr_in6 sin_dest, sin_mask, sin_gate;
-  struct nexthop *nexthop;
-  int nexthop_num = 0;
-  ifindex_t ifindex = 0;
-  int gate = 0;
-  int error;
-
-  memset (&sin_dest, 0, sizeof (struct sockaddr_in6));
-  sin_dest.sin6_family = AF_INET6;
+       struct sockaddr_in6 *mask;
+       struct sockaddr_in6 sin_dest, sin_mask, sin_gate;
+       struct nexthop *nexthop;
+       int nexthop_num = 0;
+       ifindex_t ifindex = 0;
+       int gate = 0;
+       int error;
+
+       memset(&sin_dest, 0, sizeof(struct sockaddr_in6));
+       sin_dest.sin6_family = AF_INET6;
 #ifdef SIN6_LEN
-  sin_dest.sin6_len = sizeof (struct sockaddr_in6);
+       sin_dest.sin6_len = sizeof(struct sockaddr_in6);
 #endif /* SIN6_LEN */
-  sin_dest.sin6_addr = p->u.prefix6;
+       sin_dest.sin6_addr = p->u.prefix6;
 
-  memset (&sin_mask, 0, sizeof (struct sockaddr_in6));
+       memset(&sin_mask, 0, sizeof(struct sockaddr_in6));
 
-  memset (&sin_gate, 0, sizeof (struct sockaddr_in6));
-  sin_gate.sin6_family = AF_INET6;
+       memset(&sin_gate, 0, sizeof(struct sockaddr_in6));
+       sin_gate.sin6_family = AF_INET6;
 #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
-  sin_gate.sin6_len = sizeof (struct sockaddr_in6);
+       sin_gate.sin6_len = sizeof(struct sockaddr_in6);
 #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
 
-  /* Make gateway. */
-  for (ALL_NEXTHOPS(re->nexthop, nexthop))
-    {
-      if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
-       continue;
+       /* Make gateway. */
+       for (ALL_NEXTHOPS(re->nexthop, nexthop)) {
+               if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
+                       continue;
 
-      gate = 0;
+               gate = 0;
 
-      if ((cmd == RTM_ADD
-          && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE))
-         || (cmd == RTM_DELETE
+               if ((cmd == RTM_ADD
+                    && CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE))
+                   || (cmd == RTM_DELETE
 #if 0
              && CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)
 #endif
-             ))
-       {
-         if (nexthop->type == NEXTHOP_TYPE_IPV6
-             || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
-           {
-             sin_gate.sin6_addr = nexthop->gate.ipv6;
-             gate = 1;
-           }
-         if (nexthop->type == NEXTHOP_TYPE_IFINDEX
-             || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
-           ifindex = nexthop->ifindex;
-
-         if (cmd == RTM_ADD)
-           SET_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB);
-       }
-
-      /* Under kame set interface index to link local address. */
+                       )) {
+                       if (nexthop->type == NEXTHOP_TYPE_IPV6
+                           || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) {
+                               sin_gate.sin6_addr = nexthop->gate.ipv6;
+                               gate = 1;
+                       }
+                       if (nexthop->type == NEXTHOP_TYPE_IFINDEX
+                           || nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
+                               ifindex = nexthop->ifindex;
+
+                       if (cmd == RTM_ADD)
+                               SET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
+               }
+
+/* Under kame set interface index to link local address. */
 #ifdef KAME
 
-#define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
-      do { \
-       (a).s6_addr[2] = ((i) >> 8) & 0xff; \
-       (a).s6_addr[3] = (i) & 0xff; \
-      } while (0)
+#define SET_IN6_LINKLOCAL_IFINDEX(a, i)                                        \
+       do {                                                                   \
+               (a).s6_addr[2] = ((i) >> 8) & 0xff;                            \
+               (a).s6_addr[3] = (i)&0xff;                                     \
+       } while (0)
 
-      if (gate && IN6_IS_ADDR_LINKLOCAL(&sin_gate.sin6_addr))
-       SET_IN6_LINKLOCAL_IFINDEX (sin_gate.sin6_addr, ifindex);
+               if (gate && IN6_IS_ADDR_LINKLOCAL(&sin_gate.sin6_addr))
+                       SET_IN6_LINKLOCAL_IFINDEX(sin_gate.sin6_addr, ifindex);
 #endif /* KAME */
 
-      if (gate && p->prefixlen == 128)
-       mask = NULL;
-      else
-       {
-         masklen2ip6 (p->prefixlen, &sin_mask.sin6_addr);
-         sin_mask.sin6_family = AF_INET6;
+               if (gate && p->prefixlen == 128)
+                       mask = NULL;
+               else {
+                       masklen2ip6(p->prefixlen, &sin_mask.sin6_addr);
+                       sin_mask.sin6_family = AF_INET6;
 #ifdef SIN6_LEN
-         sin_mask.sin6_len = sin6_masklen (sin_mask.sin6_addr);
+                       sin_mask.sin6_len = sin6_masklen(sin_mask.sin6_addr);
 #endif /* SIN6_LEN */
-         mask = &sin_mask;
-       }
+                       mask = &sin_mask;
+               }
 
-      error = rtm_write (cmd,
-                       (union sockunion *) &sin_dest,
-                       (union sockunion *) mask,
-                       gate ? (union sockunion *)&sin_gate : NULL,
-                       NULL,
-                       ifindex,
-                       re->flags,
-                       re->metric);
+               error = rtm_write(cmd, (union sockunion *)&sin_dest,
+                                 (union sockunion *)mask,
+                                 gate ? (union sockunion *)&sin_gate : NULL,
+                                 NULL, ifindex, re->flags, re->metric);
 
 #if 0
       if (error)
@@ -358,110 +350,107 @@ kernel_rtm_ipv6 (int cmd, struct prefix *p, struct route_entry *re)
            nexthop_num, error);
        }
 #else
-      (void)error;
+               (void)error;
 #endif
 
-      nexthop_num++;
-    }
+               nexthop_num++;
+       }
 
-  /* If there is no useful nexthop then return. */
-  if (nexthop_num == 0)
-    {
-      if (IS_ZEBRA_DEBUG_KERNEL)
-       zlog_debug ("kernel_rtm_ipv6(): No useful nexthop.");
-      return 0;
-    }
+       /* If there is no useful nexthop then return. */
+       if (nexthop_num == 0) {
+               if (IS_ZEBRA_DEBUG_KERNEL)
+                       zlog_debug("kernel_rtm_ipv6(): No useful nexthop.");
+               return 0;
+       }
 
-  return 0; /*XXX*/
+       return 0; /*XXX*/
 }
 
-static int
-kernel_rtm (int cmd, struct prefix *p, struct route_entry *re)
+static int kernel_rtm(int cmd, struct prefix *p, struct route_entry *re)
 {
-  switch (PREFIX_FAMILY(p))
-    {
-    case AF_INET:
-      return kernel_rtm_ipv4 (cmd, p, re);
-    case AF_INET6:
-      return kernel_rtm_ipv6 (cmd, p, re);
-    }
-  return 0;
+       switch (PREFIX_FAMILY(p)) {
+       case AF_INET:
+               return kernel_rtm_ipv4(cmd, p, re);
+       case AF_INET6:
+               return kernel_rtm_ipv6(cmd, p, re);
+       }
+       return 0;
 }
 
-int
-kernel_route_rib (struct prefix *p, struct prefix *src_p,
-                  struct route_entry *old, struct route_entry *new)
+int kernel_route_rib(struct prefix *p, struct prefix *src_p,
+                    struct route_entry *old, struct route_entry *new)
 {
-  int route = 0;
+       int route = 0;
+
+       if (src_p && src_p->prefixlen) {
+               zlog_err("route add: IPv6 sourcedest routes unsupported!");
+               return 1;
+       }
 
-  if (src_p && src_p->prefixlen)
-    {
-      zlog_err ("route add: IPv6 sourcedest routes unsupported!");
-      return 1;
-    }
+       if (zserv_privs.change(ZPRIVS_RAISE))
+               zlog_err("Can't raise privileges");
 
-  if (zserv_privs.change(ZPRIVS_RAISE))
-    zlog_err("Can't raise privileges");
+       if (old)
+               route |= kernel_rtm(RTM_DELETE, p, old);
 
-  if (old)
-    route |= kernel_rtm (RTM_DELETE, p, old);
+       if (new)
+               route |= kernel_rtm(RTM_ADD, p, new);
 
-  if (new)
-    route |= kernel_rtm (RTM_ADD, p, new);
+       if (zserv_privs.change(ZPRIVS_LOWER))
+               zlog_err("Can't lower privileges");
 
-  if (zserv_privs.change(ZPRIVS_LOWER))
-    zlog_err("Can't lower privileges");
+       return route;
+}
 
-  return route;
+int kernel_neigh_update(int add, int ifindex, uint32_t addr, char *lla,
+                       int llalen)
+{
+       /* TODO */
+       return 0;
 }
 
-int
-kernel_neigh_update (int add, int ifindex, uint32_t addr, char *lla, int llalen)
+extern int kernel_get_ipmr_sg_stats(struct zebra_vrf *zvrf, void *mroute)
 {
-  /* TODO */
-  return 0;
+       return 0;
 }
 
-extern int
-kernel_get_ipmr_sg_stats (void *mroute)
+int kernel_add_vtep(vni_t vni, struct interface *ifp, struct in_addr *vtep_ip)
 {
-  return 0;
+       return 0;
 }
 
-int
-kernel_add_vtep (vni_t vni, struct interface *ifp, struct in_addr *vtep_ip)
+int kernel_del_vtep(vni_t vni, struct interface *ifp, struct in_addr *vtep_ip)
 {
-  return 0;
+       return 0;
 }
 
-int
-kernel_del_vtep (vni_t vni, struct interface *ifp, struct in_addr *vtep_ip)
+int kernel_add_mac(struct interface *ifp, vlanid_t vid, struct ethaddr *mac,
+                  struct in_addr vtep_ip, u_char sticky)
 {
-  return 0;
+       return 0;
 }
 
-int
-kernel_add_mac (struct interface *ifp, vlanid_t vid,
-                struct ethaddr *mac, struct in_addr vtep_ip,
-                u_char sticky)
+int kernel_del_mac(struct interface *ifp, vlanid_t vid, struct ethaddr *mac,
+                  struct in_addr vtep_ip, int local)
 {
-  return 0;
+       return 0;
 }
 
-int
-kernel_del_mac (struct interface *ifp, vlanid_t vid,
-                struct ethaddr *mac, struct in_addr vtep_ip, int local)
+int kernel_add_neigh(struct interface *ifp, struct ipaddr *ip,
+                    struct ethaddr *mac)
 {
-  return 0;
+       return 0;
 }
 
-int kernel_add_neigh (struct interface *ifp, struct ipaddr *ip,
-                      struct ethaddr *mac)
+int kernel_del_neigh(struct interface *ifp, struct ipaddr *ip)
 {
-  return 0;
+       return 0;
 }
 
-int kernel_del_neigh (struct interface *ifp, struct ipaddr *ip)
+extern int kernel_interface_set_master(struct interface *master,
+                                      struct interface *slave)
 {
-  return 0;
+       return 0;
 }
+
+#endif /* !HAVE_NETLINK */