/* *------------------------------------------------------------------ * api.c - message handler registration * * Copyright (c) 2010-2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if WITH_LIBSSL > 0 #include #endif #include #include #include #include #include #include #include #include #include #include #include #undef BIHASH_TYPE #undef __included_bihash_template_h__ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define vl_typedefs /* define message structures */ #include #undef vl_typedefs #define vl_endianfun /* define message structures */ #include #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define vl_printfun #include #undef vl_printfun #include #define foreach_vpe_api_msg \ _(WANT_OAM_EVENTS, want_oam_events) \ _(OAM_ADD_DEL, oam_add_del) \ _(IS_ADDRESS_REACHABLE, is_address_reachable) \ _(SW_INTERFACE_SET_MPLS_ENABLE, sw_interface_set_mpls_enable) \ _(SW_INTERFACE_SET_VPATH, sw_interface_set_vpath) \ _(SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect) \ _(SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge) \ _(CREATE_VLAN_SUBIF, create_vlan_subif) \ _(CREATE_SUBIF, create_subif) \ _(PROXY_ARP_ADD_DEL, proxy_arp_add_del) \ _(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable) \ _(VNET_GET_SUMMARY_STATS, vnet_get_summary_stats) \ _(RESET_FIB, reset_fib) \ _(CREATE_LOOPBACK, create_loopback) \ _(CREATE_LOOPBACK_INSTANCE, create_loopback_instance) \ _(CONTROL_PING, control_ping) \ _(CLI_REQUEST, cli_request) \ _(CLI_INBAND, cli_inband) \ _(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit) \ _(L2_PATCH_ADD_DEL, l2_patch_add_del) \ _(CLASSIFY_SET_INTERFACE_IP_TABLE, classify_set_interface_ip_table) \ _(CLASSIFY_SET_INTERFACE_L2_TABLES, classify_set_interface_l2_tables) \ _(GET_NODE_INDEX, get_node_index) \ _(ADD_NODE_NEXT, add_node_next) \ _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter) \ _(SHOW_VERSION, show_version) \ _(INTERFACE_NAME_RENUMBER, interface_name_renumber) \ _(WANT_IP4_ARP_EVENTS, want_ip4_arp_events) \ _(WANT_IP6_ND_EVENTS, want_ip6_nd_events) \ _(INPUT_ACL_SET_INTERFACE, input_acl_set_interface) \ _(DELETE_LOOPBACK, delete_loopback) \ _(BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del) \ _(GET_NODE_GRAPH, get_node_graph) \ _(IOAM_ENABLE, ioam_enable) \ _(IOAM_DISABLE, ioam_disable) \ _(GET_NEXT_INDEX, get_next_index) \ _(PG_CREATE_INTERFACE, pg_create_interface) \ _(PG_CAPTURE, pg_capture) \ _(PG_ENABLE_DISABLE, pg_enable_disable) \ _(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL, \ ip_source_and_port_range_check_add_del) \ _(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL, \ ip_source_and_port_range_check_interface_add_del) \ _(DELETE_SUBIF, delete_subif) \ _(PUNT, punt) \ _(FEATURE_ENABLE_DISABLE, feature_enable_disable) #define QUOTE_(x) #x #define QUOTE(x) QUOTE_(x) typedef enum { RESOLVE_IP4_ADD_DEL_ROUTE = 1, RESOLVE_IP6_ADD_DEL_ROUTE, } resolve_t; static vlib_node_registration_t vpe_resolver_process_node; extern vpe_api_main_t vpe_api_main; static int arp_change_delete_callback (u32 pool_index, u8 * notused); static int nd_change_delete_callback (u32 pool_index, u8 * notused); /* Clean up all registrations belonging to the indicated client */ static clib_error_t * memclnt_delete_callback (u32 client_index) { vpe_api_main_t *vam = &vpe_api_main; vpe_client_registration_t *rp; uword *p; int stats_memclnt_delete_callback (u32 client_index); stats_memclnt_delete_callback (client_index); #define _(a) \ p = hash_get (vam->a##_registration_hash, client_index); \ if (p) { \ rp = pool_elt_at_index (vam->a##_registrations, p[0]); \ pool_put (vam->a##_registrations, rp); \ hash_unset (vam->a##_registration_hash, client_index); \ } foreach_registration_hash; #undef _ return 0; } VL_MSG_API_REAPER_FUNCTION (memclnt_delete_callback); pub_sub_handler (oam_events, OAM_EVENTS); #define RESOLUTION_EVENT 1 #define RESOLUTION_PENDING_EVENT 2 #define IP4_ARP_EVENT 3 #define IP6_ND_EVENT 4 int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp); int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp); void handle_ip4_arp_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_ip4_arp_event_t *event; vl_api_ip4_arp_event_t *mp; unix_shared_memory_queue_t *q; /* Client can cancel, die, etc. */ if (pool_is_free_index (vam->arp_events, pool_index)) return; event = pool_elt_at_index (vam->arp_events, pool_index); q = vl_api_client_index_to_input_queue (event->client_index); if (!q) { (void) vnet_add_del_ip4_arp_change_event (vnm, arp_change_delete_callback, event->pid, &event->address, vpe_resolver_process_node.index, IP4_ARP_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); return; } if (q->cursize < q->maxsize) { mp = vl_msg_api_alloc (sizeof (*mp)); clib_memcpy (mp, event, sizeof (*mp)); vl_msg_api_send_shmem (q, (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; unix_shared_memory_queue_t *q; /* 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); q = vl_api_client_index_to_input_queue (event->client_index); if (!q) { (void) vnet_add_del_ip6_nd_change_event (vnm, nd_change_delete_callback, event->pid, &event->address, vpe_resolver_process_node.index, IP6_ND_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); return; } if (q->cursize < q->maxsize) { mp = vl_msg_api_alloc (sizeof (*mp)); clib_memcpy (mp, event, sizeof (*mp)); vl_msg_api_send_shmem (q, (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) { uword event_type; uword *event_data = 0; f64 timeout = 100.0; int i; while (1) { vlib_process_wait_for_event_or_clock (vm, timeout); event_type = vlib_process_get_events (vm, &event_data); switch (event_type) { case RESOLUTION_PENDING_EVENT: timeout = 1.0; break; case RESOLUTION_EVENT: clib_warning ("resolver: BOGUS TYPE"); break; 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 (vpe_resolver_process_node,static) = { .function = resolver_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "vpe-route-resolver-process", }; /* *INDENT-ON* */ 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_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, 0, 0, tx_sw_if_index); } else { rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0); } BAD_RX_SW_IF_INDEX_LABEL; BAD_TX_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY); } 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; u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index); u32 bd_id = ntohl (mp->bd_id); u32 bd_index; u32 bvi = mp->bvi; u8 shg = mp->shg; vlib_main_t *vm = vlib_get_main (); vnet_main_t *vnm = vnet_get_main (); VALIDATE_RX_SW_IF_INDEX (mp); bd_index = bd_find_or_add_bd_index (bdm, bd_id); if (mp->enable) { //VALIDATE_TX_SW_IF_INDEX(mp); rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, rx_sw_if_index, bd_index, bvi, shg, 0); } else { rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0); } BAD_RX_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY); } static void vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp) { bd_main_t *bdm = &bd_main; vl_api_bd_ip_mac_add_del_reply_t *rmp; int rv = 0; u32 bd_id = ntohl (mp->bd_id); u32 bd_index; uword *p; 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]; if (bd_add_del_ip_mac (bd_index, mp->ip_address, mp->mac_address, mp->is_ipv6, mp->is_add)) rv = VNET_API_ERROR_UNSPECIFIED; out: REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY); } static void vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp) { vl_api_create_vlan_subif_reply_t *rmp; vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = (u32) ~ 0; vnet_hw_interface_t *hi; int rv = 0; u32 id; vnet_sw_interface_t template; uword *p; vnet_interface_main_t *im = &vnm->interface_main; u64 sup_and_sub_key; unix_shared_memory_queue_t *q; clib_error_t *error; VALIDATE_SW_IF_INDEX (mp); hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index)); if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) { rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED; goto out; } id = ntohl (mp->vlan_id); if (id == 0 || id > 4095) { rv = VNET_API_ERROR_INVALID_VLAN; goto out; } sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id; p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key); if (p) { rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS; goto out; } memset (&template, 0, sizeof (template)); template.type = VNET_SW_INTERFACE_TYPE_SUB; template.sup_sw_if_index = hi->sw_if_index; template.sub.id = id; template.sub.eth.raw_flags = 0; template.sub.eth.flags.one_tag = 1; template.sub.eth.outer_vlan_id = id; template.sub.eth.flags.exact_match = 1; error = vnet_create_sw_interface (vnm, &template, &sw_if_index); if (error) { clib_error_report (error); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto out; } u64 *kp = clib_mem_alloc (sizeof (*kp)); *kp = sup_and_sub_key; hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index); hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index); BAD_SW_IF_INDEX_LABEL; out: q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY); rmp->context = mp->context; rmp->retval = htonl (rv); rmp->sw_if_index = htonl (sw_if_index); vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void vl_api_create_subif_t_handler (vl_api_create_subif_t * mp) { vl_api_create_subif_reply_t *rmp; vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ~0; int rv = 0; u32 sub_id; vnet_sw_interface_t *si; vnet_hw_interface_t *hi; vnet_sw_interface_t template; uword *p; vnet_interface_main_t *im = &vnm->interface_main; u64 sup_and_sub_key; clib_error_t *error; VALIDATE_SW_IF_INDEX (mp); si = vnet_get_sup_sw_interface (vnm, ntohl (mp->sw_if_index)); hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index)); if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) { rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED; goto out; } sw_if_index = si->sw_if_index; sub_id = ntohl (mp->sub_id); sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) sub_id; p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key); if (p) { if (CLIB_DEBUG > 0) clib_warning ("sup sw_if_index %d, sub id %d already exists\n", sw_if_index, sub_id); rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS; goto out; } memset (&template, 0, sizeof (template)); template.type = VNET_SW_INTERFACE_TYPE_SUB; template.sup_sw_if_index = sw_if_index; template.sub.id = sub_id; template.sub.eth.flags.no_tags = mp->no_tags; template.sub.eth.flags.one_tag = mp->one_tag; template.sub.eth.flags.two_tags = mp->two_tags; template.sub.eth.flags.dot1ad = mp->dot1ad; template.sub.eth.flags.exact_match = mp->exact_match; template.sub.eth.flags.default_sub = mp->default_sub; template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any; template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any; template.sub.eth.outer_vlan_id = ntohs (mp->outer_vlan_id); template.sub.eth.inner_vlan_id = ntohs (mp->inner_vlan_id); error = vnet_create_sw_interface (vnm, &template, &sw_if_index); if (error) { clib_error_report (error); rv = VNET_API_ERROR_SUBIF_CREATE_FAILED; goto out; } u64 *kp = clib_mem_alloc (sizeof (*kp)); *kp = sup_and_sub_key; hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index); hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index); BAD_SW_IF_INDEX_LABEL; out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY, ({ rmp->sw_if_index = ntohl(sw_if_index); })); /* *INDENT-ON* */ } 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; stats_main_t *sm = &stats_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; dslock (sm, 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: dsunlock (sm); 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; out: REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY); } static void vl_api_is_address_reachable_t_handler (vl_api_is_address_reachable_t * mp) { #if 0 vpe_main_t *rm = &vpe_main; ip4_main_t *im4 = &ip4_main; ip6_main_t *im6 = &ip6_main; ip_lookup_main_t *lm; union { ip4_address_t ip4; ip6_address_t ip6; } addr; u32 adj_index, sw_if_index; vl_api_is_address_reachable_t *rmp; ip_adjacency_t *adj; unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) { increment_missing_api_client_counter (rm->vlib_main); return; } rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memcpy (rmp, mp, sizeof (*rmp)); sw_if_index = mp->next_hop_sw_if_index; clib_memcpy (&addr, mp->address, sizeof (addr)); if (mp->is_ipv6) { lm = &im6->lookup_main; adj_index = ip6_fib_lookup (im6, sw_if_index, &addr.ip6); } else { lm = &im4->lookup_main; // FIXME NOT an ADJ adj_index = ip4_fib_lookup (im4, sw_if_index, &addr.ip4); } if (adj_index == ~0) { rmp->is_error = 1; goto send; } adj = ip_get_adjacency (lm, adj_index); if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE && adj->rewrite_header.sw_if_index == sw_if_index) { rmp->is_known = 1; } else { if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP && adj->rewrite_header.sw_if_index == sw_if_index) { if (mp->is_ipv6) ip6_probe_neighbor (rm->vlib_main, &addr.ip6, sw_if_index); else ip4_probe_neighbor (rm->vlib_main, &addr.ip4, sw_if_index); } else if (adj->lookup_next_index == IP_LOOKUP_NEXT_DROP) { rmp->is_known = 1; goto send; } rmp->is_known = 0; } send: vl_msg_api_send_shmem (q, (u8 *) & rmp); #endif } static void vl_api_sw_interface_set_mpls_enable_t_handler (vl_api_sw_interface_set_mpls_enable_t * mp) { vl_api_sw_interface_set_mpls_enable_reply_t *rmp; int rv = 0; VALIDATE_SW_IF_INDEX (mp); mpls_sw_interface_enable_disable (&mpls_main, ntohl (mp->sw_if_index), mp->enable); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_MPLS_ENABLE_REPLY); } void send_oam_event (oam_target_t * t) { vpe_api_main_t *vam = &vpe_api_main; unix_shared_memory_queue_t *q; vpe_client_registration_t *reg; vl_api_oam_event_t *mp; /* *INDENT-OFF* */ pool_foreach(reg, vam->oam_events_registrations, ({ q = vl_api_client_index_to_input_queue (reg->client_index); if (q) { mp = vl_msg_api_alloc (sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_OAM_EVENT); clib_memcpy (mp->dst_address, &t->dst_address, sizeof (mp->dst_address)); mp->state = t->state; vl_msg_api_send_shmem (q, (u8 *)&mp); } })); /* *INDENT-ON* */ } static void vl_api_oam_add_del_t_handler (vl_api_oam_add_del_t * mp) { vl_api_oam_add_del_reply_t *rmp; int rv; rv = vpe_oam_add_del_target ((ip4_address_t *) mp->src_address, (ip4_address_t *) mp->dst_address, ntohl (mp->vrf_id), (int) (mp->is_add)); REPLY_MACRO (VL_API_OAM_ADD_DEL_REPLY); } static void vl_api_vnet_get_summary_stats_t_handler (vl_api_vnet_get_summary_stats_t * mp) { stats_main_t *sm = &stats_main; vnet_interface_main_t *im = sm->interface_main; vl_api_vnet_summary_stats_reply_t *rmp; vlib_combined_counter_main_t *cm; vlib_counter_t v; int i, which; u64 total_pkts[VLIB_N_RX_TX]; u64 total_bytes[VLIB_N_RX_TX]; unix_shared_memory_queue_t *q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_VNET_SUMMARY_STATS_REPLY); rmp->context = mp->context; rmp->retval = 0; memset (total_pkts, 0, sizeof (total_pkts)); memset (total_bytes, 0, sizeof (total_bytes)); vnet_interface_counter_lock (im); vec_foreach (cm, im->combined_sw_if_counters) { which = cm - im->combined_sw_if_counters; for (i = 0; i < vlib_combined_counter_n_counters (cm); i++) { vlib_get_combined_counter (cm, i, &v); total_pkts[which] += v.packets; total_bytes[which] += v.bytes; } } vnet_interface_counter_unlock (im); rmp->total_pkts[VLIB_RX] = clib_host_to_net_u64 (total_pkts[VLIB_RX]); rmp->total_bytes[VLIB_RX] = clib_host_to_net_u64 (total_bytes[VLIB_RX]); rmp->total_pkts[VLIB_TX] = clib_host_to_net_u64 (total_pkts[VLIB_TX]); rmp->total_bytes[VLIB_TX] = clib_host_to_net_u64 (total_bytes[VLIB_TX]); rmp->vector_rate = clib_host_to_net_u64 (vlib_last_vector_length_per_node (sm->vlib_main)); vl_msg_api_send_shmem (q, (u8 *) & rmp); } /* *INDENT-OFF* */ typedef CLIB_PACKED (struct { ip4_address_t address; u32 address_length: 6; u32 index:26; }) ip4_route_t; /* *INDENT-ON* */ 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; stats_main_t *sm = &stats_main; 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); dslock (sm, 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* */ dsunlock (sm); 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; stats_main_t *sm = &stats_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); dslock (sm, 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); /* 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* */ dsunlock (sm); 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_create_loopback_t_handler (vl_api_create_loopback_t * mp) { vl_api_create_loopback_reply_t *rmp; u32 sw_if_index; int rv; rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address, 0, 0); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_create_loopback_instance_t_handler (vl_api_create_loopback_instance_t * mp) { vl_api_create_loopback_instance_reply_t *rmp; u32 sw_if_index; u8 is_specified = mp->is_specified; u32 user_instance = ntohl (mp->user_instance); int rv; rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address, is_specified, user_instance); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp) { vl_api_delete_loopback_reply_t *rmp; u32 sw_if_index; int rv; sw_if_index = ntohl (mp->sw_if_index); rv = vnet_delete_loopback_interface (sw_if_index); REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY); } static void vl_api_control_ping_t_handler (vl_api_control_ping_t * mp) { vl_api_control_ping_reply_t *rmp; int rv = 0; /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_CONTROL_PING_REPLY, ({ rmp->vpe_pid = ntohl (getpid()); })); /* *INDENT-ON* */ } static void shmem_cli_output (uword arg, u8 * buffer, uword buffer_bytes) { u8 **shmem_vecp = (u8 **) arg; u8 *shmem_vec; void *oldheap; api_main_t *am = &api_main; u32 offset; shmem_vec = *shmem_vecp; offset = vec_len (shmem_vec); pthread_mutex_lock (&am->vlib_rp->mutex); oldheap = svm_push_data_heap (am->vlib_rp); vec_validate (shmem_vec, offset + buffer_bytes - 1); clib_memcpy (shmem_vec + offset, buffer, buffer_bytes); svm_pop_heap (oldheap); pthread_mutex_unlock (&am->vlib_rp->mutex); *shmem_vecp = shmem_vec; } static void vl_api_cli_request_t_handler (vl_api_cli_request_t * mp) { vl_api_cli_reply_t *rp; unix_shared_memory_queue_t *q; vlib_main_t *vm = vlib_get_main (); api_main_t *am = &api_main; unformat_input_t input; u8 *shmem_vec = 0; void *oldheap; q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; rp = vl_msg_api_alloc (sizeof (*rp)); rp->_vl_msg_id = ntohs (VL_API_CLI_REPLY); rp->context = mp->context; unformat_init_vector (&input, (u8 *) (uword) mp->cmd_in_shmem); vlib_cli_input (vm, &input, shmem_cli_output, (uword) & shmem_vec); pthread_mutex_lock (&am->vlib_rp->mutex); oldheap = svm_push_data_heap (am->vlib_rp); vec_add1 (shmem_vec, 0); svm_pop_heap (oldheap); pthread_mutex_unlock (&am->vlib_rp->mutex); rp->reply_in_shmem = (uword) shmem_vec; vl_msg_api_send_shmem (q, (u8 *) & rp); } static void inband_cli_output (uword arg, u8 * buffer, uword buffer_bytes) { u8 **mem_vecp = (u8 **) arg; u8 *mem_vec = *mem_vecp; u32 offset = vec_len (mem_vec); vec_validate (mem_vec, offset + buffer_bytes - 1); clib_memcpy (mem_vec + offset, buffer, buffer_bytes); *mem_vecp = mem_vec; } static void vl_api_cli_inband_t_handler (vl_api_cli_inband_t * mp) { vl_api_cli_inband_reply_t *rmp; int rv = 0; unix_shared_memory_queue_t *q; vlib_main_t *vm = vlib_get_main (); unformat_input_t input; u8 *out_vec = 0; q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; unformat_init_string (&input, (char *) mp->cmd, ntohl (mp->length)); vlib_cli_input (vm, &input, inband_cli_output, (uword) & out_vec); u32 len = vec_len (out_vec); /* *INDENT-OFF* */ REPLY_MACRO3(VL_API_CLI_INBAND_REPLY, len, ({ rmp->length = htonl (len); clib_memcpy (rmp->reply, out_vec, len); })); /* *INDENT-ON* */ vec_free (out_vec); } 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); } static void vl_api_classify_set_interface_ip_table_t_handler (vl_api_classify_set_interface_ip_table_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_classify_set_interface_ip_table_reply_t *rmp; int rv; VALIDATE_SW_IF_INDEX (mp); u32 table_index = ntohl (mp->table_index); u32 sw_if_index = ntohl (mp->sw_if_index); if (mp->is_ipv6) rv = vnet_set_ip6_classify_intfc (vm, sw_if_index, table_index); else rv = vnet_set_ip4_classify_intfc (vm, sw_if_index, table_index); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_CLASSIFY_SET_INTERFACE_IP_TABLE_REPLY); } static void vl_api_classify_set_interface_l2_tables_t_handler (vl_api_classify_set_interface_l2_tables_t * mp) { vl_api_classify_set_interface_l2_tables_reply_t *rmp; int rv; u32 sw_if_index, ip4_table_index, ip6_table_index, other_table_index; int enable; ip4_table_index = ntohl (mp->ip4_table_index); ip6_table_index = ntohl (mp->ip6_table_index); other_table_index = ntohl (mp->other_table_index); sw_if_index = ntohl (mp->sw_if_index); VALIDATE_SW_IF_INDEX (mp); if (mp->is_input) rv = vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index, ip6_table_index, other_table_index); else rv = vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index, ip6_table_index, other_table_index); if (rv == 0) { if (ip4_table_index != ~0 || ip6_table_index != ~0 || other_table_index != ~0) enable = 1; else enable = 0; if (mp->is_input) vnet_l2_input_classify_enable_disable (sw_if_index, enable); else vnet_l2_output_classify_enable_disable (sw_if_index, enable); } BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_CLASSIFY_SET_INTERFACE_L2_TABLES_REPLY); } extern void l2_efp_filter_configure (vnet_main_t * vnet_main, u32 sw_if_index, u32 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 (); // enable/disable the feature l2_efp_filter_configure (vnm, mp->sw_if_index, mp->enable_disable); rv = vnm->api_errno; REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY); } static void vl_api_show_version_t_handler (vl_api_show_version_t * mp) { vl_api_show_version_reply_t *rmp; int rv = 0; char *vpe_api_get_build_directory (void); char *vpe_api_get_version (void); char *vpe_api_get_build_date (void); unix_shared_memory_queue_t *q = vl_api_client_index_to_input_queue (mp->client_index); if (!q) return; /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_SHOW_VERSION_REPLY, ({ strncpy ((char *) rmp->program, "vpe", ARRAY_LEN(rmp->program)-1); strncpy ((char *) rmp->build_directory, vpe_api_get_build_directory(), ARRAY_LEN(rmp->build_directory)-1); strncpy ((char *) rmp->version, vpe_api_get_version(), ARRAY_LEN(rmp->version)-1); strncpy ((char *) rmp->build_date, vpe_api_get_build_date(), ARRAY_LEN(rmp->build_date)-1); })); /* *INDENT-ON* */ } static void vl_api_get_node_index_t_handler (vl_api_get_node_index_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_get_node_index_reply_t *rmp; vlib_node_t *n; int rv = 0; u32 node_index = ~0; n = vlib_get_node_by_name (vm, mp->node_name); if (n == 0) rv = VNET_API_ERROR_NO_SUCH_NODE; else node_index = n->index; /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY, ({ rmp->node_index = ntohl(node_index); })); /* *INDENT-ON* */ } static void vl_api_get_next_index_t_handler (vl_api_get_next_index_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_get_next_index_reply_t *rmp; vlib_node_t *node, *next_node; int rv = 0; u32 next_node_index = ~0, next_index = ~0; uword *p; node = vlib_get_node_by_name (vm, mp->node_name); if (node == 0) { rv = VNET_API_ERROR_NO_SUCH_NODE; goto out; } next_node = vlib_get_node_by_name (vm, mp->next_name); if (next_node == 0) { rv = VNET_API_ERROR_NO_SUCH_NODE2; goto out; } else next_node_index = next_node->index; p = hash_get (node->next_slot_by_node, next_node_index); if (p == 0) { rv = VNET_API_ERROR_NO_SUCH_ENTRY; goto out; } else next_index = p[0]; out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GET_NEXT_INDEX_REPLY, ({ rmp->next_index = ntohl(next_index); })); /* *INDENT-ON* */ } static void vl_api_add_node_next_t_handler (vl_api_add_node_next_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_add_node_next_reply_t *rmp; vlib_node_t *n, *next; int rv = 0; u32 next_index = ~0; n = vlib_get_node_by_name (vm, mp->node_name); if (n == 0) { rv = VNET_API_ERROR_NO_SUCH_NODE; goto out; } next = vlib_get_node_by_name (vm, mp->next_name); if (next == 0) rv = VNET_API_ERROR_NO_SUCH_NODE2; else next_index = vlib_node_add_next (vm, n->index, next->index); out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY, ({ rmp->next_index = ntohl(next_index); })); /* *INDENT-ON* */ } 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_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t * mp) { vl_api_interface_name_renumber_reply_t *rmp; int rv = 0; VALIDATE_SW_IF_INDEX (mp); rv = vnet_interface_name_renumber (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance)); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY); } 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; vlib_main_t *vm = am->vlib_main; vl_api_ip4_arp_event_t *event; static f64 arp_event_last_time; f64 now = vlib_time_now (vm); if (pool_is_free_index (am->arp_events, pool_index)) return 1; event = pool_elt_at_index (am->arp_events, pool_index); /* *INDENT-OFF* */ if (memcmp (&event->new_mac, new_mac, sizeof (event->new_mac))) { clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac)); } else { /* same mac */ if (sw_if_index == ntohl(event->sw_if_index) && (!event->mac_ip || /* for BD case, also check IP address with 10 sec timeout */ (address == event->address && (now - arp_event_last_time) < 10.0))) return 1; } /* *INDENT-ON* */ arp_event_last_time = now; event->sw_if_index = htonl (sw_if_index); if (event->mac_ip) event->address = address; return 0; } 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; vlib_main_t *vm = am->vlib_main; vl_api_ip6_nd_event_t *event; static f64 nd_event_last_time; f64 now = vlib_time_now (vm); if (pool_is_free_index (am->nd_events, pool_index)) return 1; event = pool_elt_at_index (am->nd_events, pool_index); /* *INDENT-OFF* */ if (memcmp (&event->new_mac, new_mac, sizeof (event->new_mac))) { clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac)); } else { /* same mac */ if (sw_if_index == ntohl(event->sw_if_index) && (!event->mac_ip || /* for BD case, also check IP address with 10 sec timeout */ (ip6_address_is_equal (address, (ip6_address_t *) event->address) && (now - nd_event_last_time) < 10.0))) return 1; } /* *INDENT-ON* */ nd_event_last_time = now; event->sw_if_index = htonl (sw_if_index); if (event->mac_ip) clib_memcpy (event->address, address, sizeof (event->address)); 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 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; vl_api_ip4_arp_event_t *event; int rv; if (mp->enable_disable) { rv = vnet_add_del_ip4_arp_change_event (vnm, arp_change_data_callback, mp->pid, &mp->address /* addr, in net byte order */ , vpe_resolver_process_node.index, IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */ ); if (rv) goto out; pool_get (am->arp_events, event); memset (event, 0, sizeof (*event)); event->_vl_msg_id = ntohs (VL_API_IP4_ARP_EVENT); event->client_index = mp->client_index; event->context = mp->context; 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 */ , vpe_resolver_process_node.index, IP4_ARP_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); } out: 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; vl_api_ip6_nd_event_t *event; int rv; if (mp->enable_disable) { pool_get (am->nd_events, event); memset (event, 0, sizeof (*event)); event->_vl_msg_id = ntohs (VL_API_IP6_ND_EVENT); event->client_index = mp->client_index; event->context = mp->context; clib_memcpy (event->address, mp->address, 16); event->pid = mp->pid; if (ip6_address_is_zero ((ip6_address_t *) mp->address)) event->mac_ip = 1; rv = vnet_add_del_ip6_nd_change_event (vnm, nd_change_data_callback, mp->pid, mp->address /* addr, in net byte order */ , vpe_resolver_process_node.index, IP6_ND_EVENT, event - am->nd_events, 1 /* is_add */ ); } else { rv = vnet_add_del_ip6_nd_change_event (vnm, nd_change_delete_callback, mp->pid, mp->address /* addr, in net byte order */ , vpe_resolver_process_node.index, IP6_ND_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); } REPLY_MACRO (VL_API_WANT_IP6_ND_EVENTS_REPLY); } static void vl_api_input_acl_set_interface_t_handler (vl_api_input_acl_set_interface_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_input_acl_set_interface_reply_t *rmp; int rv; VALIDATE_SW_IF_INDEX (mp); u32 ip4_table_index = ntohl (mp->ip4_table_index); u32 ip6_table_index = ntohl (mp->ip6_table_index); u32 l2_table_index = ntohl (mp->l2_table_index); u32 sw_if_index = ntohl (mp->sw_if_index); rv = vnet_set_input_acl_intfc (vm, sw_if_index, ip4_table_index, ip6_table_index, l2_table_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_INPUT_ACL_SET_INTERFACE_REPLY); } static void vl_api_get_node_graph_t_handler (vl_api_get_node_graph_t * mp) { int rv = 0; u8 *vector = 0; api_main_t *am = &api_main; vlib_main_t *vm = vlib_get_main (); void *oldheap; vl_api_get_node_graph_reply_t *rmp; pthread_mutex_lock (&am->vlib_rp->mutex); oldheap = svm_push_data_heap (am->vlib_rp); /* * Keep the number of memcpy ops to a minimum (e.g. 1). */ vec_validate (vector, 16384); vec_reset_length (vector); /* $$$$ FIXME */ vector = vlib_node_serialize (&vm->node_main, vector, (u32) ~ 0 /* all threads */ , 1 /* include nexts */ , 1 /* include stats */ ); svm_pop_heap (oldheap); pthread_mutex_unlock (&am->vlib_rp->mutex); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GET_NODE_GRAPH_REPLY, ({ rmp->reply_in_shmem = (uword) vector; })); /* *INDENT-ON* */ } static void vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp) { int rv = 0; vl_api_ioam_enable_reply_t *rmp; clib_error_t *error; /* Ignoring the profile id as currently a single profile * is supported */ error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable, mp->seqno, mp->analyse); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_IOAM_ENABLE_REPLY); } static void vl_api_ioam_disable_t_handler (vl_api_ioam_disable_t * mp) { int rv = 0; vl_api_ioam_disable_reply_t *rmp; clib_error_t *error; error = clear_ioam_rewrite_fn (); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_IOAM_DISABLE_REPLY); } static void vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp) { vl_api_pg_create_interface_reply_t *rmp; int rv = 0; pg_main_t *pg = &pg_main; u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id)); pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY, ({ rmp->sw_if_index = ntohl(pi->sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp) { vl_api_pg_capture_reply_t *rmp; int rv = 0; vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; vnet_hw_interface_t *hi = 0; u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0); u32 hw_if_index = ~0; uword *p = hash_get_mem (im->hw_interface_by_name, intf_name); if (p) hw_if_index = *p; vec_free (intf_name); if (hw_if_index != ~0) { pg_capture_args_t _a, *a = &_a; u32 len = ntohl (mp->pcap_name_length); u8 *pcap_file_name = vec_new (u8, len); clib_memcpy (pcap_file_name, mp->pcap_file_name, len); hi = vnet_get_sup_hw_interface (vnm, hw_if_index); a->hw_if_index = hw_if_index; a->dev_instance = hi->dev_instance; a->is_enabled = mp->is_enabled; a->pcap_file_name = pcap_file_name; a->count = ntohl (mp->count); clib_error_t *e = pg_capture (a); if (e) { clib_error_report (e); rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE; } vec_free (pcap_file_name); } REPLY_MACRO (VL_API_PG_CAPTURE_REPLY); } static void vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp) { vl_api_pg_enable_disable_reply_t *rmp; int rv = 0; pg_main_t *pg = &pg_main; u32 stream_index = ~0; int is_enable = mp->is_enabled != 0; u32 len = ntohl (mp->stream_name_length) - 1; if (len > 0) { u8 *stream_name = vec_new (u8, len); clib_memcpy (stream_name, mp->stream_name, len); uword *p = hash_get_mem (pg->stream_index_by_name, stream_name); if (p) stream_index = *p; vec_free (stream_name); } pg_enable_disable (stream_index, is_enable); REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY); } static void vl_api_ip_source_and_port_range_check_add_del_t_handler (vl_api_ip_source_and_port_range_check_add_del_t * mp) { vl_api_ip_source_and_port_range_check_add_del_reply_t *rmp; int rv = 0; u8 is_ipv6 = mp->is_ipv6; u8 is_add = mp->is_add; u8 mask_length = mp->mask_length; ip4_address_t ip4_addr; ip6_address_t ip6_addr; u16 *low_ports = 0; u16 *high_ports = 0; u32 vrf_id; u16 tmp_low, tmp_high; u8 num_ranges; int i; // Validate port range num_ranges = mp->number_of_ranges; if (num_ranges > 32) { // This is size of array in VPE.API rv = VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY; goto reply; } vec_reset_length (low_ports); vec_reset_length (high_ports); for (i = 0; i < num_ranges; i++) { tmp_low = mp->low_ports[i]; tmp_high = mp->high_ports[i]; // If tmp_low <= tmp_high then only need to check tmp_low = 0 // If tmp_low <= tmp_high then only need to check tmp_high > 65535 if (tmp_low > tmp_high || tmp_low == 0 || tmp_high > 65535) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } vec_add1 (low_ports, tmp_low); vec_add1 (high_ports, tmp_high + 1); } // Validate mask_length if ((is_ipv6 && mask_length > 128) || (!is_ipv6 && mask_length > 32)) { rv = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH; goto reply; } vrf_id = ntohl (mp->vrf_id); if (vrf_id < 1) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } if (is_ipv6) { clib_memcpy (ip6_addr.as_u8, mp->address, sizeof (ip6_addr.as_u8)); rv = ip6_source_and_port_range_check_add_del (&ip6_addr, mask_length, vrf_id, low_ports, high_ports, is_add); } else { clib_memcpy (ip4_addr.data, mp->address, sizeof (ip4_addr)); rv = ip4_source_and_port_range_check_add_del (&ip4_addr, mask_length, vrf_id, low_ports, high_ports, is_add); } reply: vec_free (low_ports); vec_free (high_ports); REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL_REPLY); } static void vl_api_ip_source_and_port_range_check_interface_add_del_t_handler (vl_api_ip_source_and_port_range_check_interface_add_del_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_ip_source_and_port_range_check_interface_add_del_reply_t *rmp; ip4_main_t *im = &ip4_main; int rv; u32 sw_if_index; u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; uword *p = 0; int i; vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] = ntohl (mp->tcp_out_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] = ntohl (mp->udp_out_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] = ntohl (mp->tcp_in_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] = ntohl (mp->udp_in_vrf_id); for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++) { if (vrf_id[i] != 0 && vrf_id[i] != ~0) { p = hash_get (im->fib_index_by_table_id, vrf_id[i]); if (p == 0) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } fib_index[i] = p[0]; } else fib_index[i] = ~0; } sw_if_index = ntohl (mp->sw_if_index); VALIDATE_SW_IF_INDEX (mp); rv = set_ip_source_and_port_range_check (vm, fib_index, sw_if_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; reply: REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL_REPLY); } static void vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp) { vl_api_delete_subif_reply_t *rmp; int rv; rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index)); REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY); } static void vl_api_punt_t_handler (vl_api_punt_t * mp) { vl_api_punt_reply_t *rmp; vlib_main_t *vm = vlib_get_main (); int rv = 0; clib_error_t *error; error = vnet_punt_add_del (vm, mp->ipv, mp->l4_protocol, ntohs (mp->l4_port), mp->is_add); if (error) { rv = -1; clib_error_report (error); } REPLY_MACRO (VL_API_PUNT_REPLY); } static void vl_api_feature_enable_disable_t_handler (vl_api_feature_enable_disable_t * mp) { vl_api_feature_enable_disable_reply_t *rmp; int rv = 0; VALIDATE_SW_IF_INDEX (mp); u8 *arc_name = format (0, "%s%c", mp->arc_name, 0); u8 *feature_name = format (0, "%s%c", mp->feature_name, 0); vnet_feature_registration_t *reg = vnet_get_feature_reg ((const char *) arc_name, (const char *) feature_name); if (reg == 0) rv = VNET_API_ERROR_INVALID_VALUE; else { u32 sw_if_index = ntohl (mp->sw_if_index); clib_error_t *error = 0; if (reg->enable_disable_cb) error = reg->enable_disable_cb (sw_if_index, mp->enable); if (!error) vnet_feature_enable_disable ((const char *) arc_name, (const char *) feature_name, sw_if_index, mp->enable, 0, 0); else { clib_error_report (error); rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE; } } vec_free (feature_name); vec_free (arc_name); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_FEATURE_ENABLE_DISABLE_REPLY); } #define BOUNCE_HANDLER(nn) \ static void vl_api_##nn##_t_handler ( \ vl_api_##nn##_t *mp) \ { \ vpe_client_registration_t *reg; \ vpe_api_main_t * vam = &vpe_api_main; \ unix_shared_memory_queue_t * q; \ \ /* One registration only... */ \ pool_foreach(reg, vam->nn##_registrations, \ ({ \ q = vl_api_client_index_to_input_queue (reg->client_index); \ if (q) { \ /* \ * If the queue is stuffed, turf the msg and complain \ * It's unlikely that the intended recipient is \ * alive; avoid deadlock at all costs. \ */ \ if (q->cursize == q->maxsize) { \ clib_warning ("ERROR: receiver queue full, drop msg"); \ vl_msg_api_free (mp); \ return; \ } \ vl_msg_api_send_shmem (q, (u8 *)&mp); \ return; \ } \ })); \ vl_msg_api_free (mp); \ } static void setup_message_id_table (api_main_t * am); /* * vpe_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process() */ static clib_error_t * vpe_api_hookup (vlib_main_t * vm) { api_main_t *am = &api_main; #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_vpe_api_msg; #undef _ /* * Trace space for classifier mask+match */ am->api_trace_cfg[VL_API_CLASSIFY_ADD_DEL_TABLE].size += 5 * sizeof (u32x4); am->api_trace_cfg[VL_API_CLASSIFY_ADD_DEL_SESSION].size += 5 * sizeof (u32x4); /* * Thread-safe API messages */ am->is_mp_safe[VL_API_IP_ADD_DEL_ROUTE] = 1; am->is_mp_safe[VL_API_GET_NODE_GRAPH] = 1; /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (vpe_api_hookup); static clib_error_t * vpe_api_init (vlib_main_t * vm) { vpe_api_main_t *am = &vpe_api_main; am->vlib_main = vm; am->vnet_main = vnet_get_main (); am->interface_events_registration_hash = hash_create (0, sizeof (uword)); am->to_netconf_server_registration_hash = hash_create (0, sizeof (uword)); am->from_netconf_server_registration_hash = hash_create (0, sizeof (uword)); am->to_netconf_client_registration_hash = hash_create (0, sizeof (uword)); am->from_netconf_client_registration_hash = hash_create (0, sizeof (uword)); am->oam_events_registration_hash = hash_create (0, sizeof (uword)); am->bfd_events_registration_hash = hash_create (0, sizeof (uword)); vl_set_memory_region_name ("/vpe-api"); vl_enable_disable_memory_api (vm, 1 /* enable it */ ); return 0; } VLIB_INIT_FUNCTION (vpe_api_init); static clib_error_t * api_segment_config (vlib_main_t * vm, unformat_input_t * input) { u8 *chroot_path; u64 baseva, size, pvt_heap_size; int uid, gid, rv; const int max_buf_size = 4096; char *s, *buf; struct passwd _pw, *pw; struct group _grp, *grp; clib_error_t *e; buf = vec_new (char, 128); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "prefix %s", &chroot_path)) { vec_add1 (chroot_path, 0); vl_set_memory_root_path ((char *) chroot_path); } else if (unformat (input, "uid %d", &uid)) vl_set_memory_uid (uid); else if (unformat (input, "gid %d", &gid)) vl_set_memory_gid (gid); else if (unformat (input, "baseva %llx", &baseva)) vl_set_global_memory_baseva (baseva); else if (unformat (input, "global-size %lldM", &size)) vl_set_global_memory_size (size * (1ULL << 20)); else if (unformat (input, "global-size %lldG", &size)) vl_set_global_memory_size (size * (1ULL << 30)); else if (unformat (input, "global-size %lld", &size)) vl_set_global_memory_size (size); else if (unformat (input, "global-pvt-heap-size %lldM", &pvt_heap_size)) vl_set_global_pvt_heap_size (pvt_heap_size * (1ULL << 20)); else if (unformat (input, "global-pvt-heap-size size %lld", &pvt_heap_size)) vl_set_global_pvt_heap_size (pvt_heap_size); else if (unformat (input, "api-pvt-heap-size %lldM", &pvt_heap_size)) vl_set_api_pvt_heap_size (pvt_heap_size * (1ULL << 20)); else if (unformat (input, "api-pvt-heap-size size %lld", &pvt_heap_size)) vl_set_api_pvt_heap_size (pvt_heap_size); else if (unformat (input, "api-size %lldM", &size)) vl_set_api_memory_size (size * (1ULL << 20)); else if (unformat (input, "api-size %lldG", &size)) vl_set_api_memory_size (size * (1ULL << 30)); else if (unformat (input, "api-size %lld", &size)) vl_set_api_memory_size (size); else if (unformat (input, "uid %s", &s)) { /* lookup the username */ pw = NULL; while (((rv = getpwnam_r (s, &_pw, buf, vec_len (buf), &pw)) == ERANGE) && (vec_len (buf) <= max_buf_size)) { vec_resize (buf, vec_len (buf) * 2); } if (rv < 0) { e = clib_error_return_code (0, rv, CLIB_ERROR_ERRNO_VALID | CLIB_ERROR_FATAL, "cannot fetch username %s", s); vec_free (s); vec_free (buf); return e; } if (pw == NULL) { e = clib_error_return_fatal (0, "username %s does not exist", s); vec_free (s); vec_free (buf); return e; } vec_free (s); vl_set_memory_uid (pw->pw_uid); } else if (unformat (input, "gid %s", &s)) { /* lookup the group name */ grp = NULL; while (((rv = getgrnam_r (s, &_grp, buf, vec_len (buf), &grp)) == ERANGE) && (vec_len (buf) <= max_buf_size)) { vec_resize (buf, vec_len (buf) * 2); } if (rv != 0) { e = clib_error_return_code (0, rv, CLIB_ERROR_ERRNO_VALID | CLIB_ERROR_FATAL, "cannot fetch group %s", s); vec_free (s); vec_free (buf); return e; } if (grp == NULL) { e = clib_error_return_fatal (0, "group %s does not exist", s); vec_free (s); vec_free (buf); return e; } vec_free (s); vec_free (buf); vl_set_memory_gid (grp->gr_gid); } else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } return 0; } VLIB_EARLY_CONFIG_FUNCTION (api_segment_config, "api-segment"); void * get_unformat_vnet_sw_interface (void) { return (void *) &unformat_vnet_sw_interface; } static u8 * format_arp_event (u8 * s, va_list * args) { vl_api_ip4_arp_event_t *event = va_arg (*args, vl_api_ip4_arp_event_t *); s = format (s, "pid %d: ", ntohl (event->pid)); if (event->mac_ip) s = format (s, "bd mac/ip4 binding events"); else s = format (s, "resolution for %U", format_ip4_address, &event->address); return s; } static u8 * format_nd_event (u8 * s, va_list * args) { vl_api_ip6_nd_event_t *event = va_arg (*args, vl_api_ip6_nd_event_t *); s = format (s, "pid %d: ", ntohl (event->pid)); if (event->mac_ip) s = format (s, "bd mac/ip6 binding events"); else s = format (s, "resolution for %U", format_ip6_address, event->address); return s; } static clib_error_t * show_ip_arp_nd_events_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vpe_api_main_t *am = &vpe_api_main; vl_api_ip4_arp_event_t *arp_event; vl_api_ip6_nd_event_t *nd_event; if ((pool_elts (am->arp_events) == 0) && (pool_elts (am->nd_events) == 0)) { vlib_cli_output (vm, "No active arp or nd event registrations"); return 0; } /* *INDENT-OFF* */ pool_foreach (arp_event, am->arp_events, ({ vlib_cli_output (vm, "%U", format_arp_event, arp_event); })); pool_foreach (nd_event, am->nd_events, ({ vlib_cli_output (vm, "%U", format_nd_event, nd_event); })); /* *INDENT-ON* */ return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_ip_arp_nd_events, static) = { .path = "show arp-nd-event registrations", .function = show_ip_arp_nd_events_fn, .short_help = "Show ip4 arp and ip6 nd event registrations", }; /* *INDENT-ON* */ #define vl_msg_name_crc_list #include #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_memclnt; foreach_vl_msg_name_crc_vpe; #undef _ } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */