+static void
+ vl_api_sw_interface_set_l2_xconnect_t_handler
+ (vl_api_sw_interface_set_l2_xconnect_t * mp)
+{
+ vl_api_sw_interface_set_l2_xconnect_reply_t *rmp;
+ int rv = 0;
+ u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
+ u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index);
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_main ();
+
+ VALIDATE_RX_SW_IF_INDEX (mp);
+
+ if (mp->enable)
+ {
+ VALIDATE_TX_SW_IF_INDEX (mp);
+ rv = set_int_l2_mode (vm, vnm, MODE_L2_XC,
+ rx_sw_if_index, 0,
+ L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index);
+ }
+ else
+ {
+ rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0,
+ L2_BD_PORT_TYPE_NORMAL, 0, 0);
+ }
+
+ switch (rv)
+ {
+ case MODE_ERROR_ETH:
+ rv = VNET_API_ERROR_NON_ETHERNET;
+ break;
+ case MODE_ERROR_BVI_DEF:
+ rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
+ break;
+ }
+
+ BAD_RX_SW_IF_INDEX_LABEL;
+ BAD_TX_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
+}
+
+static int
+l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l)
+{
+ v = clib_net_to_host_u32 (v);
+
+ switch (v)
+ {
+ case L2_API_PORT_TYPE_NORMAL:
+ *l = L2_BD_PORT_TYPE_NORMAL;
+ return 0;
+ case L2_API_PORT_TYPE_BVI:
+ *l = L2_BD_PORT_TYPE_BVI;
+ return 0;
+ case L2_API_PORT_TYPE_UU_FWD:
+ *l = L2_BD_PORT_TYPE_UU_FWD;
+ return 0;
+ }
+
+ return (VNET_API_ERROR_INVALID_VALUE);
+}
+
+static void
+ vl_api_sw_interface_set_l2_bridge_t_handler
+ (vl_api_sw_interface_set_l2_bridge_t * mp)
+{
+ bd_main_t *bdm = &bd_main;
+ vl_api_sw_interface_set_l2_bridge_reply_t *rmp;
+ int rv = 0;
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_main ();
+ l2_bd_port_type_t pt;
+
+ VALIDATE_RX_SW_IF_INDEX (mp);
+ u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
+ rv = l2_bd_port_type_decode (mp->port_type, &pt);
+
+ if (0 != rv)
+ goto out;
+ if (mp->enable)
+ {
+ VALIDATE_BD_ID (mp);
+ u32 bd_id = ntohl (mp->bd_id);
+ u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id);
+
+ rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE,
+ rx_sw_if_index, bd_index, pt, mp->shg, 0);
+ }
+ else
+ {
+ rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0);
+ }
+
+ switch (rv)
+ {
+ case MODE_ERROR_ETH:
+ rv = VNET_API_ERROR_NON_ETHERNET;
+ break;
+ case MODE_ERROR_BVI_DEF:
+ rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
+ break;
+ }
+
+ BAD_RX_SW_IF_INDEX_LABEL;
+ BAD_BD_ID_LABEL;
+out:
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
+}
+
+static void
+send_bd_ip_mac_entry (vpe_api_main_t * am,
+ vl_api_registration_t * reg,
+ u32 bd_id,
+ const ip46_address_t * ip,
+ ip46_type_t itype,
+ const mac_address_t * mac, u32 context)
+{
+ vl_api_bd_ip_mac_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ clib_memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS);
+
+ mp->context = context;
+ mp->entry.bd_id = ntohl (bd_id);
+
+ ip_address_encode (ip, itype, &mp->entry.ip);
+ mac_address_encode (mac, mp->entry.mac);
+
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+static void
+vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp)
+{
+ vpe_api_main_t *am = &vpe_api_main;
+ bd_main_t *bdm = &bd_main;
+ l2_bridge_domain_t *bd_config;
+ u32 bd_id = ntohl (mp->bd_id);
+ u32 bd_index, start, end;
+ vl_api_registration_t *reg;
+ uword *p;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ /* see bd_id: ~0 means "any" */
+ if (bd_id == ~0)
+ {
+ start = 1;
+ end = vec_len (l2input_main.bd_configs);
+ }
+ else
+ {
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+ if (p == 0)
+ return;
+
+ bd_index = p[0];
+ vec_validate (l2input_main.bd_configs, bd_index);
+ start = bd_index;
+ end = start + 1;
+ }
+
+ for (bd_index = start; bd_index < end; bd_index++)
+ {
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
+ if (bd_is_valid (bd_config))
+ {
+ ip4_address_t ip4_addr;
+ ip6_address_t *ip6_addr;
+ mac_address_t mac;
+ u64 mac64;
+ bd_id = bd_config->bd_id;
+
+ /* *INDENT-OFF* */
+ hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4,
+ ({
+ ip46_address_t ip = {
+ .ip4 = ip4_addr,
+ };
+ mac_address_from_u64(&mac, mac64);
+
+ send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4,
+ &mac, mp->context);
+ }));
+
+ hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6,
+ ({
+ ip46_address_t ip = {
+ .ip6 = *ip6_addr,
+ };
+ mac_address_from_u64(&mac, mac64);
+
+ send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6,
+ &mac, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+}
+
+static void
+vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp)
+{
+ ip46_address_t ip_addr = ip46_address_initializer;
+ vl_api_bd_ip_mac_add_del_reply_t *rmp;
+ bd_main_t *bdm = &bd_main;
+ u32 bd_index, bd_id;
+ mac_address_t mac;
+ ip46_type_t type;
+ int rv = 0;
+ uword *p;
+
+ bd_id = ntohl (mp->entry.bd_id);
+
+ if (bd_id == 0)
+ {
+ rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
+ goto out;
+ }
+
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+ if (p == 0)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto out;
+ }
+ bd_index = p[0];
+
+ type = ip_address_decode (&mp->entry.ip, &ip_addr);
+ mac_address_decode (mp->entry.mac, &mac);
+
+ if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add))
+ rv = VNET_API_ERROR_UNSPECIFIED;
+
+out:
+ REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY);
+}
+
+static void
+vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp)
+{
+ vl_api_bd_ip_mac_flush_reply_t *rmp;
+ bd_main_t *bdm = &bd_main;
+ u32 bd_index, bd_id;
+ int rv = 0;
+ uword *p;
+
+ bd_id = ntohl (mp->bd_id);
+
+ if (bd_id == 0)
+ {
+ rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
+ goto out;
+ }
+
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+ if (p == 0)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto out;
+ }
+ bd_index = p[0];
+
+ bd_flush_ip_mac (bd_index);
+
+out:
+ REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY);
+}
+
+extern void l2_efp_filter_configure (vnet_main_t * vnet_main,
+ u32 sw_if_index, u8 enable);
+
+static void
+vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *
+ mp)
+{
+ int rv;
+ vl_api_l2_interface_efp_filter_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ // enable/disable the feature
+ l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
+ rv = vnm->api_errno;
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
+}
+
+static void
+vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp)
+{
+ extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
+ int is_add);
+ vl_api_l2_patch_add_del_reply_t *rmp;
+ int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
+ int is_add);
+ int rv = 0;
+
+ VALIDATE_RX_SW_IF_INDEX (mp);
+ VALIDATE_TX_SW_IF_INDEX (mp);
+
+ rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index),
+ ntohl (mp->tx_sw_if_index),
+ (int) (mp->is_add != 0));
+
+ BAD_RX_SW_IF_INDEX_LABEL;
+ BAD_TX_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY);
+}
+
+static void
+vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp)
+{
+ vl_api_sw_interface_set_vpath_reply_t *rmp;
+ int rv = 0;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
+ vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4",
+ sw_if_index, mp->enable, 0, 0);
+ vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4",
+ sw_if_index, mp->enable, 0, 0);
+ vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6",
+ sw_if_index, mp->enable, 0, 0);
+ vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6",
+ sw_if_index, mp->enable, 0, 0);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY);
+}
+
+static void
+vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp)
+{
+ vl_api_bvi_create_reply_t *rmp;
+ mac_address_t mac;
+ u32 sw_if_index;
+ int rv;
+
+ mac_address_decode (mp->mac, &mac);
+
+ rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_BVI_CREATE_REPLY,
+ ({
+ rmp->sw_if_index = ntohl (sw_if_index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp)
+{
+ vl_api_bvi_delete_reply_t *rmp;
+ int rv;
+
+ rv = l2_bvi_delete (ntohl (mp->sw_if_index));
+
+ REPLY_MACRO (VL_API_BVI_DELETE_REPLY);
+}
+
+static bool
+l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1,
+ const l2_arp_term_publish_event_t * e2)
+{
+ if (e1 == NULL || e2 == NULL)
+ return false;
+ return (ip46_address_is_equal (&e1->ip, &e2->ip) &&
+ (e1->sw_if_index == e2->sw_if_index) &&
+ (mac_address_equal (&e1->mac, &e2->mac)));
+}
+
+static uword
+l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f)
+{
+ /* These cross the longjmp boundary (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 f64 last = vlib_time_now (vm);
+ volatile l2_arp_term_publish_event_t last_event = { };
+
+ l2_arp_term_main_t *l2am = &l2_arp_term_main;
+
+ while (1)
+ {
+ uword event_type = L2_ARP_TERM_EVENT_PUBLISH;
+ vpe_client_registration_t *reg;
+ f64 now;
+
+ vlib_process_wait_for_event (vm);
+
+ vlib_process_get_event_data (vm, &event_type);
+ now = vlib_time_now (vm);
+
+ if (event_type == L2_ARP_TERM_EVENT_PUBLISH)
+ {
+ l2_arp_term_publish_event_t *event;
+
+ vec_foreach (event, l2am->publish_events)
+ {
+ /* dampen duplicate events - cast away volatile */
+ if (l2_arp_term_publish_event_is_equal
+ (event, (l2_arp_term_publish_event_t *) & last_event) &&
+ (now - last) < 10.0)
+ {
+ continue;
+ }
+ last_event = *event;
+ last = now;
+
+ /* *INDENT-OFF* */
+ pool_foreach(reg, vpe_api_main.l2_arp_term_events_registrations,
+ ({
+ vl_api_registration_t *vl_reg;
+ vl_reg = vl_api_client_index_to_registration (reg->client_index);
+ ALWAYS_ASSERT (vl_reg != NULL);
+
+ if (reg && vl_api_can_send_msg (vl_reg))
+ {
+ vl_api_l2_arp_term_event_t * vevent;
+ vevent = vl_msg_api_alloc (sizeof *vevent);
+ clib_memset (vevent, 0, sizeof *vevent);
+ vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT);
+ vevent->client_index = reg->client_index;
+ vevent->pid = reg->client_pid;
+ ip_address_encode(&event->ip,
+ event->type,
+ &vevent->ip);
+ vevent->sw_if_index = htonl(event->sw_if_index);
+ mac_address_encode(&event->mac, vevent->mac);
+ vl_api_send_msg (vl_reg, (u8 *) vevent);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ vec_reset_length (l2am->publish_events);
+ }
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (l2_arp_term_process_node) = {
+ .function = l2_arp_term_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "l2-arp-term-publisher",
+};
+/* *INDENT-ON* */
+
+static void
+vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t *
+ mp)
+{
+ vl_api_want_l2_arp_term_events_reply_t *rmp;
+ vpe_api_main_t *am = &vpe_api_main;
+ vpe_client_registration_t *rp;
+ int rv = 0;
+ uword *p;
+
+ p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index);
+
+ if (p)
+ {
+ if (mp->enable)
+ {
+ clib_warning ("pid %d: already enabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ else
+ {
+ rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
+ pool_put (am->l2_arp_term_events_registrations, rp);
+ hash_unset (am->l2_arp_term_events_registration_hash,
+ mp->client_index);
+ if (pool_elts (am->l2_arp_term_events_registrations) == 0)
+ l2_arp_term_set_publisher_node (false);
+ goto reply;
+ }
+ }
+ if (mp->enable == 0)
+ {
+ clib_warning ("pid %d: already disabled...", mp->pid);
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto reply;
+ }
+ pool_get (am->l2_arp_term_events_registrations, rp);
+ rp->client_index = mp->client_index;
+ rp->client_pid = mp->pid;
+ hash_set (am->l2_arp_term_events_registration_hash, rp->client_index,
+ rp - am->l2_arp_term_events_registrations);
+ l2_arp_term_set_publisher_node (true);
+
+reply:
+ REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY);
+}
+
+static clib_error_t *
+want_l2_arp_term_events_reaper (u32 client_index)
+{
+ vpe_client_registration_t *rp;
+ vpe_api_main_t *am;
+ uword *p;
+
+ am = &vpe_api_main;
+
+ /* remove from the registration hash */
+ p = hash_get (am->l2_arp_term_events_registration_hash, client_index);
+
+ if (p)
+ {
+ rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
+ pool_put (am->l2_arp_term_events_registrations, rp);
+ hash_unset (am->l2_arp_term_events_registration_hash, client_index);
+ if (pool_elts (am->l2_arp_term_events_registrations) == 0)
+ l2_arp_term_set_publisher_node (false);
+ }
+ return (NULL);
+}
+
+VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper);
+