diff options
Diffstat (limited to 'src/vpp/api/api.c')
| -rw-r--r-- | src/vpp/api/api.c | 2468 |
1 files changed, 2468 insertions, 0 deletions
diff --git a/src/vpp/api/api.c b/src/vpp/api/api.c new file mode 100644 index 00000000..d020314b --- /dev/null +++ b/src/vpp/api/api.c @@ -0,0 +1,2468 @@ +/* + *------------------------------------------------------------------ + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <netinet/in.h> +#include <signal.h> +#include <pthread.h> +#include <unistd.h> +#include <time.h> +#include <fcntl.h> +#include <string.h> +#include <pwd.h> +#include <grp.h> + +#include <vppinfra/clib.h> +#include <vppinfra/vec.h> +#include <vppinfra/hash.h> +#include <vppinfra/bitmap.h> +#include <vppinfra/fifo.h> +#include <vppinfra/time.h> +#include <vppinfra/mheap.h> +#include <vppinfra/heap.h> +#include <vppinfra/pool.h> +#include <vppinfra/format.h> +#include <vppinfra/error.h> + +#include <vnet/api_errno.h> +#include <vnet/vnet.h> +#include <vnet/l2/l2_input.h> +#include <vnet/l2/l2_bd.h> +#include <vnet/ip/ip.h> +#include <vnet/ip/ip6.h> +#include <vnet/ip/ip6_neighbor.h> +#if WITH_LIBSSL > 0 +#include <vnet/srv6/sr.h> +#endif +#include <vlib/vlib.h> +#include <vlib/unix/unix.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vnet/classify/input_acl.h> +#include <vnet/l2/l2_classify.h> +#include <vnet/map/map.h> +#include <vnet/ip/ip6_hop_by_hop.h> +#include <vnet/ip/ip_source_and_port_range_check.h> +#include <vnet/ip/punt.h> +#include <vnet/feature/feature.h> + +#undef BIHASH_TYPE +#undef __included_bihash_template_h__ +#include <vnet/l2/l2_fib.h> + +#include <vpp/stats/stats.h> +#include <vpp/oam/oam.h> + +#include <vnet/ethernet/ethernet.h> +#include <vnet/ethernet/arp_packet.h> +#include <vnet/interface.h> +#include <vnet/l2/l2_fib.h> +#include <vnet/l2/l2_bd.h> +#include <vpp/api/vpe_msg_enum.h> +#include <vnet/span/span.h> +#include <vnet/fib/fib_api.h> +#include <vnet/dpo/drop_dpo.h> +#include <vnet/dpo/receive_dpo.h> +#include <vnet/dpo/lookup_dpo.h> +#include <vnet/dpo/classify_dpo.h> +#include <vnet/dpo/ip_null_dpo.h> +#define vl_typedefs /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#undef vl_typedefs +#define vl_endianfun /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#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 <vpp/api/vpe_all_api_h.h> +#undef vl_printfun +#include <vlibapi/api_helper_macros.h> +#define foreach_vpe_api_msg \ +_(WANT_OAM_EVENTS, want_oam_events) \ +_(OAM_ADD_DEL, oam_add_del) \ +_(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) \ +_(RESET_FIB, reset_fib) \ +_(CREATE_LOOPBACK, create_loopback) \ +_(CREATE_LOOPBACK_INSTANCE, create_loopback_instance) \ +_(CONTROL_PING, control_ping) \ +_(CLI, cli) \ +_(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) \ +_(PUNT_SOCKET_REGISTER, punt_socket_register) \ +_(PUNT_SOCKET_DEREGISTER, punt_socket_deregister) \ +_(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); + +static 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) +{ + 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 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; + vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); + + VALIDATE_RX_SW_IF_INDEX (mp); + u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index); + + + 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); + u32 bvi = mp->bvi; + u8 shg = mp->shg; + 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; + BAD_BD_ID_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; + + 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]; + 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; + + REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY); +} + +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); + + rv = mpls_sw_interface_enable_disable (&mpls_main, + ntohl (mp->sw_if_index), + mp->enable, 1); + + 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 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); + + /* 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* */ + + 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_t_handler (vl_api_cli_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; + + 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 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; + + 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 }; + +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; + 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, + ({ + unix_shared_memory_queue_t *q; + q = vl_api_client_index_to_input_queue (reg->client_index); + if (q && q->cursize < q->maxsize) + { + 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_msg_api_send_shmem (q, (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, + ({ + unix_shared_memory_queue_t *q; + q = vl_api_client_index_to_input_queue (reg->client_index); + if (q && q->cursize < q->maxsize) + { + 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_msg_api_send_shmem (q, (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 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, WC_ARP_REPORT); + 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 */ , + vpe_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 */ , + vpe_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, 2); + 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 */ , + vpe_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 */ , + vpe_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_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_punt_socket_register_t_handler (vl_api_punt_socket_register_t * mp) +{ + vl_api_punt_socket_register_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; + clib_error_t *error; + unix_shared_memory_queue_t *q; + u32 handle; + + error = vnet_punt_socket_add (vm, ntohl (mp->header_version), + mp->is_ip4, mp->l4_protocol, + ntohs (mp->l4_port), (char *) mp->pathname); + if (error) + { + rv = -1; + clib_error_report (error); + } + + 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_PUNT_SOCKET_REGISTER_REPLY); + rmp->context = mp->context; + rmp->retval = htonl (rv); + char *p = vnet_punt_get_server_pathname (); + /* Abstract pathnames start with \0 */ + memcpy ((char *) rmp->pathname, p, sizeof (rmp->pathname)); + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_punt_socket_deregister_t_handler (vl_api_punt_socket_deregister_t * mp) +{ + vl_api_punt_socket_deregister_reply_t *rmp; + vlib_main_t *vm = vlib_get_main (); + int rv = 0; + clib_error_t *error; + unix_shared_memory_queue_t *q; + u32 handle; + + error = vnet_punt_socket_del (vm, mp->is_ip4, mp->l4_protocol, + ntohs (mp->l4_port)); + if (error) + { + rv = -1; + clib_error_report (error); + } + + 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_PUNT_SOCKET_DEREGISTER_REPLY); + rmp->context = mp->context; + rmp->retval = htonl (rv); + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +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 (); +#define _(a) \ + am->a##_registration_hash = hash_create (0, sizeof (uword)); + foreach_registration_hash; +#undef _ + + 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)); + 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)); + 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 && + pool_elts (am->wc_ip4_arp_events_registrations) == 0 && + pool_elts (am->wc_ip6_nd_events_registrations) == 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); + })); + + vpe_client_registration_t *reg; + pool_foreach(reg, am->wc_ip4_arp_events_registrations, + ({ + vlib_cli_output (vm, "pid %d: bd mac/ip4 binding events", + ntohl (reg->client_pid)); + })); + + pool_foreach (nd_event, am->nd_events, + ({ + vlib_cli_output (vm, "%U", format_nd_event, nd_event); + })); + + pool_foreach(reg, am->wc_ip6_nd_events_registrations, + ({ + vlib_cli_output (vm, "pid %d: bd mac/ip6 binding events", + ntohl (reg->client_pid)); + })); + /* *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 <vpp/api/vpe_all_api_h.h> +#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: + */ |