+ if (vl_api_can_send_msg (reg))
+ {
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ clib_memcpy (mp, event, sizeof (*mp));
+ vl_api_send_msg (reg, (u8 *) mp);
+ }
+ else
+ {
+ static f64 last_time;
+ /*
+ * Throttle syslog msgs.
+ * It's pretty tempting to just revoke the registration...
+ */
+ if (vlib_time_now (vm) > last_time + 10.0)
+ {
+ clib_warning ("arp event for %U to pid %d: queue stuffed!",
+ format_ip4_address, &event->address, event->pid);
+ last_time = vlib_time_now (vm);
+ }
+ }
+}
+
+void
+handle_ip6_nd_event (u32 pool_index)
+{
+ vpe_api_main_t *vam = &vpe_api_main;
+ vnet_main_t *vnm = vam->vnet_main;
+ vlib_main_t *vm = vam->vlib_main;
+ vl_api_ip6_nd_event_t *event;
+ vl_api_ip6_nd_event_t *mp;
+ vl_api_registration_t *reg;
+
+ /* Client can cancel, die, etc. */
+ if (pool_is_free_index (vam->nd_events, pool_index))
+ return;
+
+ event = pool_elt_at_index (vam->nd_events, pool_index);
+
+ reg = vl_api_client_index_to_registration (event->client_index);
+ if (!reg)
+ {
+ (void) vnet_add_del_ip6_nd_change_event
+ (vnm, nd_change_delete_callback,
+ event->pid, &event->address,
+ ip_resolver_process_node.index, IP6_ND_EVENT,
+ ~0 /* pool index, notused */ , 0 /* is_add */ );
+ return;
+ }
+
+ if (vl_api_can_send_msg (reg))
+ {
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ clib_memcpy (mp, event, sizeof (*mp));
+ vl_api_send_msg (reg, (u8 *) mp);
+ }
+ else
+ {
+ static f64 last_time;
+ /*
+ * Throttle syslog msgs.
+ * It's pretty tempting to just revoke the registration...
+ */
+ if (vlib_time_now (vm) > last_time + 10.0)
+ {
+ clib_warning ("ip6 nd event for %U to pid %d: queue stuffed!",
+ format_ip6_address, &event->address, event->pid);
+ last_time = vlib_time_now (vm);
+ }
+ }
+}
+
+static uword
+resolver_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ volatile f64 timeout = 100.0;
+ volatile uword *event_data = 0;
+
+ while (1)
+ {
+ vlib_process_wait_for_event_or_clock (vm, timeout);
+
+ uword event_type =
+ vlib_process_get_events (vm, (uword **) & event_data);
+
+ int i;
+ switch (event_type)
+ {
+ case IP4_ARP_EVENT:
+ for (i = 0; i < vec_len (event_data); i++)
+ handle_ip4_arp_event (event_data[i]);
+ break;
+
+ case IP6_ND_EVENT:
+ for (i = 0; i < vec_len (event_data); i++)
+ handle_ip6_nd_event (event_data[i]);
+ break;
+
+ case ~0: /* timeout */
+ break;
+ }
+
+ vec_reset_length (event_data);
+ }
+ return 0; /* or not */
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip_resolver_process_node,static) = {
+ .function = resolver_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "ip-route-resolver-process",
+};
+/* *INDENT-ON* */
+
+static int
+nd_change_data_callback (u32 pool_index, u8 * new_mac,
+ u32 sw_if_index, ip6_address_t * address)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_ip6_nd_event_t *event;
+
+ if (pool_is_free_index (am->nd_events, pool_index))
+ return 1;
+
+ event = pool_elt_at_index (am->nd_events, pool_index);
+ if (eth_mac_equal (event->new_mac, new_mac) &&
+ sw_if_index == ntohl (event->sw_if_index))
+ {
+ return 1;
+ }
+
+ clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
+ event->sw_if_index = htonl (sw_if_index);
+ return 0;
+}
+
+static int
+arp_change_delete_callback (u32 pool_index, u8 * notused)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+
+ if (pool_is_free_index (am->arp_events, pool_index))
+ return 1;
+
+ pool_put_index (am->arp_events, pool_index);
+ return 0;
+}
+
+static int
+nd_change_delete_callback (u32 pool_index, u8 * notused)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+
+ if (pool_is_free_index (am->nd_events, pool_index))
+ return 1;
+
+ pool_put_index (am->nd_events, pool_index);
+ return 0;
+}
+
+static vlib_node_registration_t wc_arp_process_node;
+
+enum
+{ WC_ARP_REPORT, WC_ND_REPORT, RA_REPORT, REPORT_MAX };
+
+static uword
+wc_arp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ /* These cross the longjmp boundry (vlib_process_wait_for_event)
+ * and need to be volatile - to prevent them from being optimized into
+ * a register - which could change during suspension */
+
+ volatile wc_arp_report_t arp_prev = { 0 };
+ volatile wc_nd_report_t nd_prev = { 0 };
+ volatile f64 last_arp = vlib_time_now (vm);
+ volatile f64 last_nd = vlib_time_now (vm);
+
+ while (1)
+ {
+ vlib_process_wait_for_event (vm);
+ uword event_type = WC_ARP_REPORT;
+ void *event_data = vlib_process_get_event_data (vm, &event_type);
+
+ f64 now = vlib_time_now (vm);
+ int i;
+ if (event_type == WC_ARP_REPORT)
+ {
+ wc_arp_report_t *arp_events = event_data;
+ for (i = 0; i < vec_len (arp_events); i++)
+ {
+ /* discard dup event */
+ if (arp_prev.ip4 == arp_events[i].ip4 &&
+ eth_mac_equal ((u8 *) arp_prev.mac, arp_events[i].mac) &&
+ arp_prev.sw_if_index == arp_events[i].sw_if_index &&
+ (now - last_arp) < 10.0)
+ {
+ continue;
+ }
+ arp_prev = arp_events[i];
+ last_arp = now;
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.wc_ip4_arp_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg = vl_api_client_index_to_registration (reg->client_index);
+ if (reg && vl_api_can_send_msg (vl_reg))
+ {
+ vl_api_ip4_arp_event_t * event = vl_msg_api_alloc (sizeof *event);
+ memset (event, 0, sizeof *event);
+ event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+ event->mac_ip = 1;
+ event->address = arp_events[i].ip4;
+ event->sw_if_index = htonl(arp_events[i].sw_if_index);
+ memcpy(event->new_mac, arp_events[i].mac, sizeof event->new_mac);
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ else if (event_type == WC_ND_REPORT)
+ {
+ wc_nd_report_t *nd_events = event_data;
+ for (i = 0; i < vec_len (nd_events); i++)
+ {
+ /* discard dup event */
+ if (ip6_address_is_equal
+ ((ip6_address_t *) & nd_prev.ip6, &nd_events[i].ip6)
+ && eth_mac_equal ((u8 *) nd_prev.mac, nd_events[i].mac)
+ && nd_prev.sw_if_index == nd_events[i].sw_if_index
+ && (now - last_nd) < 10.0)
+ {
+ continue;
+ }
+ nd_prev = nd_events[i];
+ last_nd = now;
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.wc_ip6_nd_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg = vl_api_client_index_to_registration (reg->client_index);
+ if (vl_reg && vl_api_can_send_msg (vl_reg))
+ {
+ vl_api_ip6_nd_event_t * event = vl_msg_api_alloc (sizeof *event);
+ memset (event, 0, sizeof *event);
+ event->_vl_msg_id = htons (VL_API_IP6_ND_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+ event->mac_ip = 1;
+ memcpy(event->address, nd_events[i].ip6.as_u8, sizeof event->address);
+ event->sw_if_index = htonl(nd_events[i].sw_if_index);
+ memcpy(event->new_mac, nd_events[i].mac, sizeof event->new_mac);
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ else if (event_type == RA_REPORT)
+ {
+ ra_report_t *ra_events = event_data;
+ for (i = 0; i < vec_len (ra_events); i++)
+ {
+ vpe_client_registration_t *reg;
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.ip6_ra_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg =
+ vl_api_client_index_to_registration (reg->client_index);
+ if (vl_reg && vl_api_can_send_msg (vl_reg))
+ {
+ u32 event_size =
+ sizeof (vl_api_ip6_ra_event_t) +
+ vec_len (ra_events[i].prefixes) *
+ sizeof (vl_api_ip6_ra_prefix_info_t);
+ vl_api_ip6_ra_event_t *event =
+ vl_msg_api_alloc (event_size);
+ memset (event, 0, event_size);
+ event->_vl_msg_id = htons (VL_API_IP6_RA_EVENT);
+ event->client_index = reg->client_index;
+ event->pid = reg->client_pid;
+
+ event->sw_if_index = clib_host_to_net_u32 (ra_events[i].sw_if_index);
+
+ memcpy (event->router_address, ra_events[i].router_address, 16);
+
+ event->current_hop_limit = ra_events[i].current_hop_limit;
+ event->flags = ra_events[i].flags;
+ event->router_lifetime_in_sec =
+ clib_host_to_net_u16 (ra_events
+ [i].router_lifetime_in_sec);
+ event->neighbor_reachable_time_in_msec =
+ clib_host_to_net_u32 (ra_events
+ [i].neighbor_reachable_time_in_msec);
+ event->time_in_msec_between_retransmitted_neighbor_solicitations
+ =
+ clib_host_to_net_u32 (ra_events
+ [i].time_in_msec_between_retransmitted_neighbor_solicitations);
+
+ event->n_prefixes =
+ clib_host_to_net_u32 (vec_len (ra_events[i].prefixes));
+ vl_api_ip6_ra_prefix_info_t *prefix =
+ (typeof (prefix)) event->prefixes;
+ u32 j;
+ for (j = 0; j < vec_len (ra_events[i].prefixes); j++)
+ {
+ ra_report_prefix_info_t *info =
+ &ra_events[i].prefixes[j];
+ memcpy (prefix->dst_address, info->dst_address.as_u8,
+ 16);
+ prefix->dst_address_length = info->dst_address_length;
+ prefix->flags = info->flags;
+ prefix->valid_time =
+ clib_host_to_net_u32 (info->valid_time);
+ prefix->preferred_time =
+ clib_host_to_net_u32 (info->preferred_time);
+ prefix++;
+ }
+
+ vl_api_send_msg (vl_reg, (u8 *) event);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ vlib_process_put_event_data (vm, event_data);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (wc_arp_process_node,static) = {
+ .function = wc_arp_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "wildcard-ip4-arp-publisher-process",
+};
+/* *INDENT-ON* */
+
+static int
+arp_change_data_callback (u32 pool_index, u8 * new_mac,
+ u32 sw_if_index, u32 address)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_ip4_arp_event_t *event;
+
+ if (pool_is_free_index (am->arp_events, pool_index))
+ return 1;
+
+ event = pool_elt_at_index (am->arp_events, pool_index);
+ if (eth_mac_equal (event->new_mac, new_mac) &&
+ sw_if_index == ntohl (event->sw_if_index))
+ {
+ return 1;
+ }
+
+ clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
+ event->sw_if_index = htonl (sw_if_index);
+ return 0;
+}
+
+static void
+vl_api_want_ip4_arp_events_t_handler (vl_api_want_ip4_arp_events_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vl_api_want_ip4_arp_events_reply_t *rmp;
+ int rv = 0;
+
+ if (mp->address == 0)
+ {
+ uword *p =
+ hash_get (am->wc_ip4_arp_events_registration_hash, mp->client_index);
+ vpe_client_registration_t *rp;
+ if (p)
+ {
+ if (mp->enable_disable)
+ {
+ clib_warning ("pid %d: already enabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ else
+ {
+ rp =
+ pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]);
+ pool_put (am->wc_ip4_arp_events_registrations, rp);
+ hash_unset (am->wc_ip4_arp_events_registration_hash,
+ mp->client_index);
+ if (pool_elts (am->wc_ip4_arp_events_registrations) == 0)
+ wc_arp_set_publisher_node (~0, REPORT_MAX);
+ goto reply;
+ }
+ }
+ if (mp->enable_disable == 0)
+ {
+ clib_warning ("pid %d: already disabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ pool_get (am->wc_ip4_arp_events_registrations, rp);
+ rp->client_index = mp->client_index;
+ rp->client_pid = mp->pid;
+ hash_set (am->wc_ip4_arp_events_registration_hash, rp->client_index,
+ rp - am->wc_ip4_arp_events_registrations);
+ wc_arp_set_publisher_node (wc_arp_process_node.index, WC_ARP_REPORT);
+ goto reply;
+ }
+
+ if (mp->enable_disable)
+ {
+ vl_api_ip4_arp_event_t *event;
+ pool_get (am->arp_events, event);
+ rv = vnet_add_del_ip4_arp_change_event
+ (vnm, arp_change_data_callback,
+ mp->pid, &mp->address /* addr, in net byte order */ ,
+ ip_resolver_process_node.index,
+ IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */ );
+
+ if (rv)
+ {
+ pool_put (am->arp_events, event);
+ goto reply;
+ }
+ memset (event, 0, sizeof (*event));
+
+ /* Python API expects events to have no context */
+ event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT);
+ event->client_index = mp->client_index;
+ event->address = mp->address;
+ event->pid = mp->pid;
+ if (mp->address == 0)
+ event->mac_ip = 1;
+ }
+ else
+ {
+ rv = vnet_add_del_ip4_arp_change_event
+ (vnm, arp_change_delete_callback,
+ mp->pid, &mp->address /* addr, in net byte order */ ,
+ ip_resolver_process_node.index,
+ IP4_ARP_EVENT, ~0 /* pool index */ , 0 /* is_add */ );
+ }
+reply:
+ REPLY_MACRO (VL_API_WANT_IP4_ARP_EVENTS_REPLY);
+}
+
+static void
+vl_api_want_ip6_nd_events_t_handler (vl_api_want_ip6_nd_events_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vl_api_want_ip6_nd_events_reply_t *rmp;
+ int rv = 0;
+
+ if (ip6_address_is_zero ((ip6_address_t *) mp->address))
+ {
+ uword *p =
+ hash_get (am->wc_ip6_nd_events_registration_hash, mp->client_index);
+ vpe_client_registration_t *rp;
+ if (p)
+ {
+ if (mp->enable_disable)
+ {
+ clib_warning ("pid %d: already enabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ else
+ {
+ rp =
+ pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]);
+ pool_put (am->wc_ip6_nd_events_registrations, rp);
+ hash_unset (am->wc_ip6_nd_events_registration_hash,
+ mp->client_index);
+ if (pool_elts (am->wc_ip6_nd_events_registrations) == 0)
+ wc_nd_set_publisher_node (~0, REPORT_MAX);
+ goto reply;
+ }
+ }
+ if (mp->enable_disable == 0)
+ {
+ clib_warning ("pid %d: already disabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ pool_get (am->wc_ip6_nd_events_registrations, rp);
+ rp->client_index = mp->client_index;
+ rp->client_pid = mp->pid;
+ hash_set (am->wc_ip6_nd_events_registration_hash, rp->client_index,
+ rp - am->wc_ip6_nd_events_registrations);
+ wc_nd_set_publisher_node (wc_arp_process_node.index, WC_ND_REPORT);
+ goto reply;
+ }
+
+ if (mp->enable_disable)
+ {
+ vl_api_ip6_nd_event_t *event;
+ pool_get (am->nd_events, event);
+
+ rv = vnet_add_del_ip6_nd_change_event
+ (vnm, nd_change_data_callback,
+ mp->pid, mp->address /* addr, in net byte order */ ,
+ ip_resolver_process_node.index,
+ IP6_ND_EVENT, event - am->nd_events, 1 /* is_add */ );
+
+ if (rv)
+ {
+ pool_put (am->nd_events, event);
+ goto reply;
+ }
+ memset (event, 0, sizeof (*event));
+
+ event->_vl_msg_id = ntohs (VL_API_IP6_ND_EVENT);
+ event->client_index = mp->client_index;
+ clib_memcpy (event->address, mp->address, sizeof event->address);
+ event->pid = mp->pid;
+ }
+ else
+ {
+ rv = vnet_add_del_ip6_nd_change_event
+ (vnm, nd_change_delete_callback,
+ mp->pid, mp->address /* addr, in net byte order */ ,
+ ip_resolver_process_node.index,
+ IP6_ND_EVENT, ~0 /* pool index */ , 0 /* is_add */ );
+ }
+reply:
+ REPLY_MACRO (VL_API_WANT_IP6_ND_EVENTS_REPLY);
+}
+
+static void
+vl_api_want_ip6_ra_events_t_handler (vl_api_want_ip6_ra_events_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_want_ip6_ra_events_reply_t *rmp;
+ int rv = 0;
+
+ uword *p = hash_get (am->ip6_ra_events_registration_hash, mp->client_index);
+ vpe_client_registration_t *rp;
+ if (p)
+ {
+ if (mp->enable_disable)
+ {
+ clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ else
+ {
+ rp = pool_elt_at_index (am->ip6_ra_events_registrations, p[0]);
+ pool_put (am->ip6_ra_events_registrations, rp);
+ hash_unset (am->ip6_ra_events_registration_hash, mp->client_index);
+ if (pool_elts (am->ip6_ra_events_registrations) == 0)
+ ra_set_publisher_node (~0, REPORT_MAX);
+ goto reply;
+ }
+ }
+ if (mp->enable_disable == 0)
+ {
+ clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ pool_get (am->ip6_ra_events_registrations, rp);
+ rp->client_index = mp->client_index;
+ rp->client_pid = ntohl (mp->pid);
+ hash_set (am->ip6_ra_events_registration_hash, rp->client_index,
+ rp - am->ip6_ra_events_registrations);
+ ra_set_publisher_node (wc_arp_process_node.index, RA_REPORT);
+
+reply:
+ REPLY_MACRO (VL_API_WANT_IP6_RA_EVENTS_REPLY);
+}
+
+static void
+vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t * mp)
+{
+ vl_api_proxy_arp_add_del_reply_t *rmp;
+ u32 fib_index;
+ int rv;
+ ip4_main_t *im = &ip4_main;
+ int vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
+ ip4_address_t * hi_addr,
+ u32 fib_index, int is_del);
+ uword *p;
+
+ stats_dslock_with_hint (1 /* release hint */ , 6 /* tag */ );
+
+ p = hash_get (im->fib_index_by_table_id, ntohl (mp->vrf_id));
+
+ if (!p)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_FIB;
+ goto out;
+ }
+
+ fib_index = p[0];
+
+ rv = vnet_proxy_arp_add_del ((ip4_address_t *) mp->low_address,
+ (ip4_address_t *) mp->hi_address,
+ fib_index, mp->is_add == 0);
+
+out:
+ stats_dsunlock ();
+ REPLY_MACRO (VL_API_PROXY_ARP_ADD_DEL_REPLY);
+}
+
+static void
+ vl_api_proxy_arp_intfc_enable_disable_t_handler
+ (vl_api_proxy_arp_intfc_enable_disable_t * mp)
+{
+ int rv = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ vnet_sw_interface_t *si =
+ vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
+
+ ASSERT (si);
+
+ if (mp->enable_disable)
+ si->flags |= VNET_SW_INTERFACE_FLAG_PROXY_ARP;
+ else
+ si->flags &= ~VNET_SW_INTERFACE_FLAG_PROXY_ARP;
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY);
+}
+
+static int
+ip4_reset_fib_t_handler (vl_api_reset_fib_t * mp)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ ip4_main_t *im4 = &ip4_main;
+ static u32 *sw_if_indices_to_shut;
+ fib_table_t *fib_table;
+ ip4_fib_t *fib;
+ u32 sw_if_index;
+ int i;
+ int rv = VNET_API_ERROR_NO_SUCH_FIB;
+ u32 target_fib_id = ntohl (mp->vrf_id);
+
+ stats_dslock_with_hint (1 /* release hint */ , 8 /* tag */ );
+
+ /* *INDENT-OFF* */
+ pool_foreach (fib_table, im4->fibs,
+ ({
+ vnet_sw_interface_t * si;
+
+ fib = pool_elt_at_index (im4->v4_fibs, fib_table->ft_index);
+
+ if (fib->table_id != target_fib_id)
+ continue;
+
+ /* remove any mpls encap/decap labels */
+ mpls_fib_reset_labels (fib->table_id);
+
+ /* remove any proxy arps in this fib */
+ vnet_proxy_arp_fib_reset (fib->table_id);
+
+ /* Set the flow hash for this fib to the default */
+ vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
+
+ vec_reset_length (sw_if_indices_to_shut);
+
+ /* Shut down interfaces in this FIB / clean out intfc routes */
+ pool_foreach (si, im->sw_interfaces,
+ ({
+ u32 sw_if_index = si->sw_if_index;
+
+ if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index)
+ && (im4->fib_index_by_sw_if_index[si->sw_if_index] ==
+ fib->index))
+ vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
+ }));
+
+ for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
+ sw_if_index = sw_if_indices_to_shut[i];
+
+ u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
+ flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+ vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
+ }
+
+ fib_table_flush(fib->index, FIB_PROTOCOL_IP4, FIB_SOURCE_API);
+
+ rv = 0;
+ break;
+ })); /* pool_foreach (fib) */
+ /* *INDENT-ON* */
+
+ stats_dsunlock ();
+ return rv;
+}
+
+static int
+ip6_reset_fib_t_handler (vl_api_reset_fib_t * mp)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ ip6_main_t *im6 = &ip6_main;
+ static u32 *sw_if_indices_to_shut;
+ fib_table_t *fib_table;
+ ip6_fib_t *fib;
+ u32 sw_if_index;
+ int i;
+ int rv = VNET_API_ERROR_NO_SUCH_FIB;
+ u32 target_fib_id = ntohl (mp->vrf_id);
+
+ stats_dslock_with_hint (1 /* release hint */ , 9 /* tag */ );
+
+ /* *INDENT-OFF* */
+ pool_foreach (fib_table, im6->fibs,
+ ({
+ vnet_sw_interface_t * si;
+
+ fib = pool_elt_at_index (im6->v6_fibs, fib_table->ft_index);
+
+ if (fib->table_id != target_fib_id)
+ continue;
+
+ vec_reset_length (sw_if_indices_to_shut);
+
+ /* Set the flow hash for this fib to the default */
+ vnet_set_ip6_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
+
+ /* Shut down interfaces in this FIB / clean out intfc routes */
+ pool_foreach (si, im->sw_interfaces,
+ ({
+ if (im6->fib_index_by_sw_if_index[si->sw_if_index] ==
+ fib->index)
+ vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
+ }));
+
+ for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
+ sw_if_index = sw_if_indices_to_shut[i];
+
+ u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
+ flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+ vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
+ }
+
+ fib_table_flush(fib->index, FIB_PROTOCOL_IP6, FIB_SOURCE_API);
+
+ rv = 0;
+ break;
+ })); /* pool_foreach (fib) */
+ /* *INDENT-ON* */
+
+ stats_dsunlock ();
+ return rv;
+}
+
+static void
+vl_api_reset_fib_t_handler (vl_api_reset_fib_t * mp)
+{
+ int rv;
+ vl_api_reset_fib_reply_t *rmp;
+
+ if (mp->is_ipv6)
+ rv = ip6_reset_fib_t_handler (mp);
+ else
+ rv = ip4_reset_fib_t_handler (mp);
+
+ REPLY_MACRO (VL_API_RESET_FIB_REPLY);
+}
+
+static void
+vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t * mp)
+{
+ int rv;
+ vl_api_set_arp_neighbor_limit_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error;
+
+ vnm->api_errno = 0;
+
+ if (mp->is_ipv6)
+ error = ip6_set_neighbor_limit (ntohl (mp->arp_neighbor_limit));
+ else
+ error = ip4_set_arp_limit (ntohl (mp->arp_neighbor_limit));
+
+ if (error)
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ else
+ {
+ rv = vnm->api_errno;
+ }
+
+ REPLY_MACRO (VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY);
+}
+
+void
+vl_api_ip_reassembly_set_t_handler (vl_api_ip_reassembly_set_t * mp)
+{
+ vl_api_ip_reassembly_set_reply_t *rmp;
+ int rv = 0;
+ if (mp->is_ip6)
+ {
+ rv = ip6_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
+ clib_net_to_host_u32 (mp->max_reassemblies),
+ clib_net_to_host_u32 (mp->expire_walk_interval_ms));
+ }
+ else
+ {
+ rv = ip4_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
+ clib_net_to_host_u32 (mp->max_reassemblies),
+ clib_net_to_host_u32 (mp->expire_walk_interval_ms));
+ }
+
+ REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);
+}
+
+void
+vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+
+ if (q == 0)
+ return;
+
+ vl_api_ip_reassembly_get_reply_t *rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_IP_REASSEMBLY_GET_REPLY);
+ rmp->context = mp->context;
+ rmp->retval = 0;
+ if (mp->is_ip6)
+ {
+ rmp->is_ip6 = 1;
+ ip6_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
+ &rmp->expire_walk_interval_ms);
+ }
+ else
+ {
+ rmp->is_ip6 = 0;
+ ip4_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
+ &rmp->expire_walk_interval_ms);
+ }
+ rmp->timeout_ms = clib_host_to_net_u32 (rmp->timeout_ms);
+ rmp->max_reassemblies = clib_host_to_net_u32 (rmp->max_reassemblies);
+ rmp->expire_walk_interval_ms =
+ clib_host_to_net_u32 (rmp->expire_walk_interval_ms);
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+void
+ vl_api_ip_reassembly_enable_disable_t_handler
+ (vl_api_ip_reassembly_enable_disable_t * mp)
+{
+ vl_api_ip_reassembly_enable_disable_reply_t *rmp;
+ int rv = 0;
+ rv = ip4_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
+ mp->enable_ip4);
+ if (0 == rv)
+ {
+ rv = ip6_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
+ mp->enable_ip6);
+ }
+
+ REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);