Пример #1
0
static int ldp_interface_state_up(int command, struct zclient *zclient,
    zebra_size_t length) {
    struct interface *ifp;
    struct interface if_tmp;

    ifp = zebra_interface_if_lookup(zclient->ibuf);
    if (ifp == NULL) {
	return 0;
    }

    /* Interface is already up. */
    if (if_is_up (ifp)) {
	/* Temporarily keep ifp values. */
	memcpy (&if_tmp, ifp, sizeof (struct interface));

	zebra_interface_if_set_value (zclient->ibuf, ifp);

	zlog_info ("Interface[%s] state update.", ifp->name);

	return 0;
    }

    zebra_interface_if_set_value(zclient->ibuf, ifp);

    zlog_info ("Interface[%s] state change to up.", ifp->name);

    ldp_interface_up(ifp->info);

    return 0;
}
Пример #2
0
int
isis_zebra_if_state_up (int command, struct zclient *zclient,
                        zebra_size_t length)
{
    struct interface *ifp;

    ifp = zebra_interface_if_lookup (zclient->ibuf);

    if (!ifp)
        return 0;

    if (if_is_operative (ifp))
    {
        zebra_interface_if_set_value (zclient->ibuf, ifp);
        /* HT: This is wrong actually. We can't assume that circuit exist
         * if we delete circuit during if_state_down event. Needs rethink.
         * TODO */
        isis_circuit_update_params (circuit_scan_by_ifp (ifp), ifp);
        return 0;
    }

    zebra_interface_if_set_value (zclient->ibuf, ifp);
    isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);

    return 0;
}
Пример #3
0
static int
rsvp_interface_state_up (int command, struct zclient *zclient,
			 zebra_size_t length)
{
  struct interface *ifp;

  ifp = zebra_interface_if_lookup (zclient->ibuf);

  if (ifp == NULL)
    return 0;

  /* Interface is already up. */
  if (if_is_operative (ifp))
    {
      /* Temporarily keep ifp values. */
      struct interface if_tmp;
      memcpy (&if_tmp, ifp, sizeof (struct interface));

      zebra_interface_if_set_value (zclient->ibuf, ifp);

      zlog_debug ("Zebra: Interface[%s] state update.", ifp->name);

      if (if_tmp.bandwidth != ifp->bandwidth)
	{
	  zlog_debug ("Zebra: Interface[%s] bandwidth change %d -> %d.",
		      ifp->name, if_tmp.bandwidth, ifp->bandwidth);
	}
      return 0;
    }

  zebra_interface_if_set_value (zclient->ibuf, ifp);

  zlog_debug ("Zebra: Interface[%s] state change to up.", ifp->name);

  return 0;
}
Пример #4
0
struct interface *
zebra_interface_add_read (struct stream *s)
{
  struct interface *ifp;
  char ifname_tmp[INTERFACE_NAMSIZ];

  /* Read interface name. */
  stream_get (ifname_tmp, s, INTERFACE_NAMSIZ);

  /* Lookup/create interface by name. */
  ifp = if_get_by_name_len (ifname_tmp, strnlen(ifname_tmp, INTERFACE_NAMSIZ));

  zebra_interface_if_set_value (s, ifp);

  return ifp;
}
Пример #5
0
int
isis_zebra_if_state_down (int command, struct zclient *zclient,
                          zebra_size_t length)
{
    struct interface *ifp;

    ifp = zebra_interface_if_lookup (zclient->ibuf);

    if (ifp == NULL)
        return 0;

    if (if_is_operative (ifp))
    {
        zebra_interface_if_set_value (zclient->ibuf, ifp);
        isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
    }

    return 0;
}
Пример #6
0
/* 
 * Read interface up/down msg (ZEBRA_INTERFACE_UP/ZEBRA_INTERFACE_DOWN)
 * from zebra server.  The format of this message is the same as
 * that sent for ZEBRA_INTERFACE_ADD/ZEBRA_INTERFACE_DELETE (see
 * comments for zebra_interface_add_read), except that no sockaddr_dl
 * is sent at the tail of the message.
 */
struct interface *
zebra_interface_state_read (struct stream *s)
{
  struct interface *ifp;
  char ifname_tmp[INTERFACE_NAMSIZ];

  /* Read interface name. */
  stream_get (ifname_tmp, s, INTERFACE_NAMSIZ);

  /* Lookup this by interface index. */
  ifp = if_lookup_by_name_len (ifname_tmp,
			       strnlen(ifname_tmp, INTERFACE_NAMSIZ));

  /* If such interface does not exist, indicate an error */
  if (! ifp)
     return NULL;

  zebra_interface_if_set_value (s, ifp);

  return ifp;
}
static int
ospf_interface_state_up (int command, struct zclient *zclient,
                         zebra_size_t length)
{
  struct interface *ifp;
  struct ospf_interface *oi;
  struct route_node *rn;

  ifp = zebra_interface_if_lookup (zclient->ibuf);

  if (ifp == NULL)
    return 0;

  /* Interface is already up. */
  if (if_is_operative (ifp))
    {
      /* Temporarily keep ifp values. */
      struct interface if_tmp;
      memcpy (&if_tmp, ifp, sizeof (struct interface));

      zebra_interface_if_set_value (zclient->ibuf, ifp);

      if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
        zlog_debug ("Zebra: Interface[%s] state update.", ifp->name);

      if (if_tmp.bandwidth != ifp->bandwidth)
        {
          if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
            zlog_debug ("Zebra: Interface[%s] bandwidth change %d -> %d.",
                       ifp->name, if_tmp.bandwidth, ifp->bandwidth);

          ospf_if_recalculate_output_cost (ifp);
        }

      if (if_tmp.mtu != ifp->mtu)
        {
          if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
            zlog_debug ("Zebra: Interface[%s] MTU change %u -> %u.",
                       ifp->name, if_tmp.mtu, ifp->mtu);

	  /* Must reset the interface (simulate down/up) when MTU changes. */
          ospf_if_reset(ifp);
	}
      return 0;
    }

  zebra_interface_if_set_value (zclient->ibuf, ifp);

  if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
    zlog_debug ("Zebra: Interface[%s] state change to up.", ifp->name);

  for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn))
    {
      if ((oi = rn->info) == NULL)
        continue;

      ospf_if_up (oi);
    }

  return 0;
}
Пример #8
0
void eigrp_zebra_init(void)
{
	struct zclient_options opt = {.receive_notify = false};

	zclient = zclient_new_notify(master, &opt);

	zclient_init(zclient, ZEBRA_ROUTE_EIGRP, 0, &eigrpd_privs);
	zclient->zebra_connected = eigrp_zebra_connected;
	zclient->router_id_update = eigrp_router_id_update_zebra;
	zclient->interface_add = eigrp_interface_add;
	zclient->interface_delete = eigrp_interface_delete;
	zclient->interface_up = eigrp_interface_state_up;
	zclient->interface_down = eigrp_interface_state_down;
	zclient->interface_address_add = eigrp_interface_address_add;
	zclient->interface_address_delete = eigrp_interface_address_delete;
	zclient->redistribute_route_add = eigrp_zebra_read_route;
	zclient->redistribute_route_del = eigrp_zebra_read_route;
	zclient->route_notify_owner = eigrp_zebra_route_notify_owner;
}


/* Zebra route add and delete treatment. */
static int eigrp_zebra_read_route(int command, struct zclient *zclient,
				  zebra_size_t length, vrf_id_t vrf_id)
{
	struct zapi_route api;
	struct eigrp *eigrp;

	if (zapi_route_decode(zclient->ibuf, &api) < 0)
		return -1;

	if (IPV4_NET127(ntohl(api.prefix.u.prefix4.s_addr)))
		return 0;

	eigrp = eigrp_lookup();
	if (eigrp == NULL)
		return 0;

	if (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD) {

	} else /* if (command == ZEBRA_REDISTRIBUTE_ROUTE_DEL) */
	{
	}

	return 0;
}

/* Inteface addition message from zebra. */
static int eigrp_interface_add(int command, struct zclient *zclient,
			       zebra_size_t length, vrf_id_t vrf_id)
{
	struct interface *ifp;
	struct eigrp_interface *ei;

	ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);

	if (!ifp->info)
		return 0;

	ei = ifp->info;

	ei->params.type = eigrp_default_iftype(ifp);

	eigrp_if_update(ifp);

	return 0;
}

static int eigrp_interface_delete(int command, struct zclient *zclient,
				  zebra_size_t length, vrf_id_t vrf_id)
{
	struct interface *ifp;
	struct stream *s;

	s = zclient->ibuf;
	/* zebra_interface_state_read () updates interface structure in iflist
	 */
	ifp = zebra_interface_state_read(s, vrf_id);

	if (ifp == NULL)
		return 0;

	if (if_is_up(ifp))
		zlog_warn("Zebra: got delete of %s, but interface is still up",
			  ifp->name);

	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
		zlog_debug(
			"Zebra: interface delete %s index %d flags %llx metric %d mtu %d",
			ifp->name, ifp->ifindex, (unsigned long long)ifp->flags,
			ifp->metric, ifp->mtu);

	if (ifp->info)
		eigrp_if_free(ifp->info, INTERFACE_DOWN_BY_ZEBRA);

	if_set_index(ifp, IFINDEX_INTERNAL);
	return 0;
}

static int eigrp_interface_address_add(int command, struct zclient *zclient,
				       zebra_size_t length, vrf_id_t vrf_id)
{
	struct connected *c;

	c = zebra_interface_address_read(command, zclient->ibuf, vrf_id);

	if (c == NULL)
		return 0;

	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE)) {
		char buf[128];
		prefix2str(c->address, buf, sizeof(buf));
		zlog_debug("Zebra: interface %s address add %s", c->ifp->name,
			   buf);
	}

	eigrp_if_update(c->ifp);

	return 0;
}

static int eigrp_interface_address_delete(int command, struct zclient *zclient,
					  zebra_size_t length, vrf_id_t vrf_id)
{
	struct connected *c;
	struct interface *ifp;
	struct eigrp_interface *ei;

	c = zebra_interface_address_read(command, zclient->ibuf, vrf_id);

	if (c == NULL)
		return 0;

	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE)) {
		char buf[128];
		prefix2str(c->address, buf, sizeof(buf));
		zlog_debug("Zebra: interface %s address delete %s",
			   c->ifp->name, buf);
	}

	ifp = c->ifp;
	ei = ifp->info;
	if (!ei)
		return 0;

	/* Call interface hook functions to clean up */
	eigrp_if_free(ei, INTERFACE_DOWN_BY_ZEBRA);

	connected_free(c);

	return 0;
}

static int eigrp_interface_state_up(int command, struct zclient *zclient,
				    zebra_size_t length, vrf_id_t vrf_id)
{
	struct interface *ifp;

	ifp = zebra_interface_if_lookup(zclient->ibuf);

	if (ifp == NULL)
		return 0;

	/* Interface is already up. */
	if (if_is_operative(ifp)) {
		/* Temporarily keep ifp values. */
		struct interface if_tmp;
		memcpy(&if_tmp, ifp, sizeof(struct interface));

		zebra_interface_if_set_value(zclient->ibuf, ifp);

		if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
			zlog_debug("Zebra: Interface[%s] state update.",
				   ifp->name);

		if (if_tmp.bandwidth != ifp->bandwidth) {
			if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
				zlog_debug(
					"Zebra: Interface[%s] bandwidth change %d -> %d.",
					ifp->name, if_tmp.bandwidth,
					ifp->bandwidth);

			//          eigrp_if_recalculate_output_cost (ifp);
		}

		if (if_tmp.mtu != ifp->mtu) {
			if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
				zlog_debug(
					"Zebra: Interface[%s] MTU change %u -> %u.",
					ifp->name, if_tmp.mtu, ifp->mtu);

			/* Must reset the interface (simulate down/up) when MTU
			 * changes. */
			eigrp_if_reset(ifp);
		}
		return 0;
	}

	zebra_interface_if_set_value(zclient->ibuf, ifp);

	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
		zlog_debug("Zebra: Interface[%s] state change to up.",
			   ifp->name);

	if (ifp->info)
		eigrp_if_up(ifp->info);

	return 0;
}

static int eigrp_interface_state_down(int command, struct zclient *zclient,
				      zebra_size_t length, vrf_id_t vrf_id)
{
	struct interface *ifp;

	ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);

	if (ifp == NULL)
		return 0;

	if (IS_DEBUG_EIGRP(zebra, ZEBRA_INTERFACE))
		zlog_debug("Zebra: Interface[%s] state change to down.",
			   ifp->name);

	if (ifp->info)
		eigrp_if_down(ifp->info);

	return 0;
}

static struct interface *zebra_interface_if_lookup(struct stream *s)
{
	char ifname_tmp[INTERFACE_NAMSIZ];

	/* Read interface name. */
	stream_get(ifname_tmp, s, INTERFACE_NAMSIZ);

	/* And look it up. */
	return if_lookup_by_name(ifname_tmp, VRF_DEFAULT);
}