/* *------------------------------------------------------------------ * dhcp_api.c - dhcp api * * Copyright (c) 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 <vnet/vnet.h> #include <vlibmemory/api.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <dhcp/dhcp_proxy.h> #include <dhcp/client.h> #include <dhcp/dhcp6_pd_client_dp.h> #include <dhcp/dhcp6_ia_na_client_dp.h> #include <dhcp/dhcp6_client_common_dp.h> #include <vnet/fib/fib_table.h> #include <vnet/ip/ip_types_api.h> /* define message IDs */ #include <vnet/format_fns.h> #include <dhcp/dhcp.api_enum.h> #include <dhcp/dhcp.api_types.h> /** * Base message ID fot the plugin */ static u32 dhcp_base_msg_id; #define REPLY_MSG_ID_BASE dhcp_base_msg_id #include <vlibapi/api_helper_macros.h> #define DHCP_PLUGIN_VERSION_MAJOR 1 #define DHCP_PLUGIN_VERSION_MINOR 0 static void vl_api_dhcp_plugin_get_version_t_handler (vl_api_dhcp_plugin_get_version_t * mp) { vl_api_dhcp_plugin_get_version_reply_t *rmp; int msg_size = sizeof (*rmp); vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rmp = vl_msg_api_alloc (msg_size); clib_memset (rmp, 0, msg_size); rmp->_vl_msg_id = ntohs (VL_API_DHCP_PLUGIN_GET_VERSION_REPLY + REPLY_MSG_ID_BASE); rmp->context = mp->context; rmp->major = htonl (DHCP_PLUGIN_VERSION_MAJOR); rmp->minor = htonl (DHCP_PLUGIN_VERSION_MINOR); vl_api_send_msg (reg, (u8 *) rmp); } static void vl_api_dhcp_plugin_control_ping_t_handler (vl_api_dhcp_plugin_control_ping_t * mp) { vl_api_dhcp_plugin_control_ping_reply_t *rmp; int rv = 0; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_DHCP_PLUGIN_CONTROL_PING_REPLY, ({ rmp->vpe_pid = ntohl (getpid ()); })); /* *INDENT-ON* */ } static void vl_api_dhcp6_duid_ll_set_t_handler (vl_api_dhcp6_duid_ll_set_t * mp) { vl_api_dhcp6_duid_ll_set_reply_t *rmp; dhcpv6_duid_ll_string_t *duid; int rv = 0; duid = (dhcpv6_duid_ll_string_t *) mp->duid_ll; if (duid->duid_type != htonl (DHCPV6_DUID_LL)) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } clib_memcpy (&client_duid, &duid, sizeof (client_duid)); reply: REPLY_MACRO (VL_API_DHCP6_DUID_LL_SET_REPLY); } static void vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp) { vl_api_dhcp_proxy_set_vss_reply_t *rmp; u8 *vpn_ascii_id; int rv; mp->vpn_ascii_id[sizeof (mp->vpn_ascii_id) - 1] = 0; vpn_ascii_id = format (0, "%s", mp->vpn_ascii_id); rv = dhcp_proxy_set_vss ((mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), ntohl (mp->tbl_id), ntohl (mp->vss_type), vpn_ascii_id, ntohl (mp->oui), ntohl (mp->vpn_index), mp->is_add == 0); REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY); } static void vl_api_dhcp_proxy_config_t_handler (vl_api_dhcp_proxy_config_t * mp) { vl_api_dhcp_proxy_set_vss_reply_t *rmp; ip46_address_t src, server; int rv = -1; if (mp->dhcp_src_address.af != mp->dhcp_server.af) { rv = VNET_API_ERROR_INVALID_ARGUMENT; goto reply; } ip_address_decode (&mp->dhcp_src_address, &src); ip_address_decode (&mp->dhcp_server, &server); if (mp->dhcp_src_address.af == ADDRESS_IP4) { rv = dhcp4_proxy_set_server (&server, &src, (u32) ntohl (mp->rx_vrf_id), (u32) ntohl (mp->server_vrf_id), (int) (mp->is_add == 0)); } else { rv = dhcp6_proxy_set_server (&server, &src, (u32) ntohl (mp->rx_vrf_id), (u32) ntohl (mp->server_vrf_id), (int) (mp->is_add == 0)); } reply: REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY); } static void vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return;; dhcp_proxy_dump ((mp->is_ip6 == 1 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), reg, mp->context); } void dhcp_send_details (fib_protocol_t proto, void *opaque, u32 context, dhcp_proxy_t * proxy) { vl_api_dhcp_proxy_details_t *mp; vl_api_registration_t *reg = opaque; vl_api_dhcp_server_t *v_server; dhcp_server_t *server; fib_table_t *s_fib; dhcp_vss_t *vss; u32 count; size_t n; count = vec_len (proxy->dhcp_servers); n = sizeof (*mp) + (count * sizeof (vl_api_dhcp_server_t)); mp = vl_msg_api_alloc (n); if (!mp) return; clib_memset (mp, 0, n); mp->_vl_msg_id = ntohs (VL_API_DHCP_PROXY_DETAILS + REPLY_MSG_ID_BASE); mp->context = context; mp->count = count; mp->is_ipv6 = (proto == FIB_PROTOCOL_IP6); mp->rx_vrf_id = htonl (dhcp_proxy_rx_table_get_table_id (proto, proxy->rx_fib_index)); vss = dhcp_get_vss_info (&dhcp_proxy_main, proxy->rx_fib_index, proto); if (vss) { mp->vss_type = ntohl (vss->vss_type); if (vss->vss_type == VSS_TYPE_ASCII) { u32 id_len = vec_len (vss->vpn_ascii_id); clib_memcpy (mp->vss_vpn_ascii_id, vss->vpn_ascii_id, id_len); } else if (vss->vss_type == VSS_TYPE_VPN_ID) { u32 oui = ((u32) vss->vpn_id[0] << 16) + ((u32) vss->vpn_id[1] << 8) + ((u32) vss->vpn_id[2]); u32 fib_id = ((u32) vss->vpn_id[3] << 24) + ((u32) vss->vpn_id[4] << 16) + ((u32) vss->vpn_id[5] << 8) + ((u32) vss->vpn_id[6]); mp->vss_oui = htonl (oui); mp->vss_fib_id = htonl (fib_id); } } else mp->vss_type = VSS_TYPE_INVALID; vec_foreach_index (count, proxy->dhcp_servers) { server = &proxy->dhcp_servers[count]; v_server = &mp->servers[count]; s_fib = fib_table_get (server->server_fib_index, proto); v_server->server_vrf_id = htonl (s_fib->ft_table_id); if (mp->is_ipv6) { memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip6, 16); } else { /* put the address in the first bytes */ memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip4, 4); } } if (mp->is_ipv6) { memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip6, 16); } else { /* put the address in the first bytes */ memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip4, 4); } vl_api_send_msg (reg, (u8 *) mp); } static void dhcp_client_lease_encode (vl_api_dhcp_lease_t * lease, const dhcp_client_t * client) { size_t len; u8 i; lease->is_ipv6 = 0; // only support IPv4 clients lease->sw_if_index = ntohl (client->sw_if_index); lease->state = ntohl (client->state); len = clib_min (sizeof (lease->hostname) - 1, vec_len (client->hostname)); clib_memcpy (&lease->hostname, client->hostname, len); lease->hostname[len] = 0; lease->mask_width = client->installed.subnet_mask_width; clib_memcpy (&lease->host_address.un, (u8 *) & client->installed.leased_address, sizeof (ip4_address_t)); clib_memcpy (&lease->router_address.un, (u8 *) & client->installed.router_address, sizeof (ip4_address_t)); lease->count = vec_len (client->domain_server_address); for (i = 0; i < lease->count; i++) clib_memcpy (&lease->domain_server[i].address.un.ip4, (u8 *) &client->domain_server_address[i], sizeof (ip4_address_t)); clib_memcpy (&lease->host_mac[0], client->client_hardware_address, 6); } static void dhcp_client_data_encode (vl_api_dhcp_client_t * vclient, const dhcp_client_t * client) { size_t len; vclient->sw_if_index = ntohl (client->sw_if_index); len = clib_min (sizeof (vclient->hostname) - 1, vec_len (client->hostname)); clib_memcpy (&vclient->hostname, client->hostname, len); vclient->hostname[len] = 0; len = clib_min (sizeof (vclient->id) - 1, vec_len (client->client_identifier)); clib_memcpy (&vclient->id, client->client_identifier, len); vclient->id[len] = 0; if (NULL != client->event_callback) vclient->want_dhcp_event = 1; else vclient->want_dhcp_event = 0; vclient->set_broadcast_flag = client->set_broadcast_flag; vclient->dscp = ip_dscp_encode (client->dscp); vclient->pid = client->pid; } static void dhcp_compl_event_callback (u32 client_index, const dhcp_client_t * client) { vl_api_registration_t *reg; vl_api_dhcp_compl_event_t *mp; reg = vl_api_client_index_to_registration (client_index); if (!reg) return; mp = vl_msg_api_alloc (sizeof (*mp) + sizeof (vl_api_domain_server_t) * vec_len (client->domain_server_address)); mp->client_index = client_index; mp->pid = client->pid; dhcp_client_lease_encode (&mp->lease, client); mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT + REPLY_MSG_ID_BASE); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_dhcp_client_config_t_handler (vl_api_dhcp_client_config_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_dhcp_client_config_reply_t *rmp; u32 sw_if_index; ip_dscp_t dscp; int rv = 0; VALIDATE_SW_IF_INDEX (&(mp->client)); sw_if_index = ntohl (mp->client.sw_if_index); dscp = ip_dscp_decode (mp->client.dscp); rv = dhcp_client_config (mp->is_add, mp->client_index, vm, sw_if_index, mp->client.hostname, mp->client.id, (mp->client.want_dhcp_event ? dhcp_compl_event_callback : NULL), mp->client.set_broadcast_flag, dscp, mp->client.pid); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY); } typedef struct dhcp_client_send_walk_ctx_t_ { vl_api_registration_t *reg; u32 context; } dhcp_client_send_walk_ctx_t; static int send_dhcp_client_entry (const dhcp_client_t * client, void *arg) { dhcp_client_send_walk_ctx_t *ctx; vl_api_dhcp_client_details_t *mp; u32 count; size_t n; ctx = arg; count = vec_len (client->domain_server_address); n = sizeof (*mp) + (count * sizeof (vl_api_domain_server_t)); mp = vl_msg_api_alloc (n); if (!mp) return 0; clib_memset (mp, 0, n); mp->_vl_msg_id = ntohs (VL_API_DHCP_CLIENT_DETAILS + REPLY_MSG_ID_BASE); mp->context = ctx->context; dhcp_client_data_encode (&mp->client, client); dhcp_client_lease_encode (&mp->lease, client); vl_api_send_msg (ctx->reg, (u8 *) mp); return (1); } static void vl_api_dhcp_client_dump_t_handler (vl_api_dhcp_client_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; dhcp_client_send_walk_ctx_t ctx = { .reg = reg, .context = mp->context, }; dhcp_client_walk (send_dhcp_client_entry, &ctx); } static void vl_api_dhcp6_clients_enable_disable_t_handler (vl_api_dhcp6_clients_enable_disable_t * mp) { vl_api_dhcp6_clients_enable_disable_reply_t *rmp; int rv = 0; dhcp6_clients_enable_disable (mp->enable); REPLY_MACRO (VL_API_DHCP6_CLIENTS_ENABLE_DISABLE_REPLY); } void vl_api_want_dhcp6_reply_events_t_handler (vl_api_want_dhcp6_reply_events_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_want_dhcp6_reply_events_reply_t *rmp; int rv = 0; uword *p = hash_get (am->dhcp6_reply_events_registration_hash, mp->client_index); vpe_client_registration_t *rp; if (p) { if (mp->enable_disable) { clib_warning ("pid %d: already enabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } else { rp = pool_elt_at_index (am->dhcp6_reply_events_registrations, p[0]); pool_put (am->dhcp6_reply_events_registrations, rp); hash_unset (am->dhcp6_reply_events_registration_hash, mp->client_index); if (pool_elts (am->dhcp6_reply_events_registrations) == 0) dhcp6_set_publisher_node (~0, DHCP6_DP_REPORT_MAX); goto reply; } } if (mp->enable_disable == 0) { clib_warning ("pid %d: already disabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } pool_get (am->dhcp6_reply_events_registrations, rp); rp->client_index = mp->client_index; rp->client_pid = ntohl (mp->pid); hash_set (am->dhcp6_reply_events_registration_hash, rp->client_index, rp - am->dhcp6_reply_events_registrations); dhcp6_set_publisher_node (dhcp6_reply_process_node.index, DHCP6_DP_REPLY_REPORT); reply: REPLY_MACRO (VL_API_WANT_DHCP6_REPLY_EVENTS_REPLY); } void vl_api_want_dhcp6_pd_reply_events_t_handler (vl_api_want_dhcp6_pd_reply_events_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_want_dhcp6_pd_reply_events_reply_t *rmp; int rv = 0; uword *p = hash_get (am->dhcp6_pd_reply_events_registration_hash, mp->client_index); vpe_client_registration_t *rp; if (p) { if (mp->enable_disable) { clib_warning ("pid %d: already enabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } else { rp = pool_elt_at_index (am->dhcp6_pd_reply_events_registrations, p[0]); pool_put (am->dhcp6_pd_reply_events_registrations, rp); hash_unset (am->dhcp6_pd_reply_events_registration_hash, mp->client_index); if (pool_elts (am->dhcp6_pd_reply_events_registrations) == 0) dhcp6_pd_set_publisher_node (~0, DHCP6_PD_DP_REPORT_MAX); goto reply; } } if (mp->enable_disable == 0) { clib_warning ("pid %d: already disabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } pool_get (am->dhcp6_pd_reply_events_registrations, rp); rp->client_index = mp->client_index; rp->client_pid = ntohl (mp->pid); hash_set (am->dhcp6_pd_reply_events_registration_hash, rp->client_index, rp - am->dhcp6_pd_reply_events_registrations); dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index, DHCP6_PD_DP_REPLY_REPORT); reply: REPLY_MACRO (VL_API_WANT_DHCP6_PD_REPLY_EVENTS_REPLY); } void vl_api_dhcp6_send_client_message_t_handler (vl_api_dhcp6_send_client_message_t * mp) { vl_api_dhcp6_send_client_message_reply_t *rmp; dhcp6_send_client_message_params_t params; vlib_main_t *vm = vlib_get_main (); u32 n_addresses; u32 i; int rv = 0; VALIDATE_SW_IF_INDEX (mp); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_DHCP6_SEND_CLIENT_MESSAGE_REPLY); if (rv != 0) return; params.sw_if_index = ntohl (mp->sw_if_index); params.server_index = ntohl (mp->server_index); params.irt = ntohl (mp->irt); params.mrt = ntohl (mp->mrt); params.mrc = ntohl (mp->mrc); params.mrd = ntohl (mp->mrd); params.msg_type = ntohl (mp->msg_type); params.T1 = ntohl (mp->T1); params.T2 = ntohl (mp->T2); n_addresses = ntohl (mp->n_addresses); /* Make sure that the number of addresses is sane */ if (n_addresses * sizeof (params.addresses) > vl_msg_api_max_length (mp)) { rv = VNET_API_ERROR_INVALID_VALUE; goto bad_sw_if_index; } params.addresses = 0; if (n_addresses > 0) vec_validate (params.addresses, n_addresses - 1); for (i = 0; i < n_addresses; i++) { vl_api_dhcp6_address_info_t *ai = &mp->addresses[i]; dhcp6_send_client_message_params_address_t *addr = ¶ms.addresses[i]; addr->preferred_lt = ntohl (ai->preferred_time); addr->valid_lt = ntohl (ai->valid_time); ip6_address_decode (ai->address, &addr->address); } dhcp6_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop, ¶ms); } void vl_api_dhcp6_pd_send_client_message_t_handler (vl_api_dhcp6_pd_send_client_message_t * mp) { vl_api_dhcp6_pd_send_client_message_reply_t *rmp; dhcp6_pd_send_client_message_params_t params; vlib_main_t *vm = vlib_get_main (); u32 n_prefixes; u32 i; int rv = 0; VALIDATE_SW_IF_INDEX (mp); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_DHCP6_PD_SEND_CLIENT_MESSAGE_REPLY); if (rv != 0) return; params.sw_if_index = ntohl (mp->sw_if_index); params.server_index = ntohl (mp->server_index); params.irt = ntohl (mp->irt); params.mrt = ntohl (mp->mrt); params.mrc = ntohl (mp->mrc); params.mrd = ntohl (mp->mrd); params.msg_type = ntohl (mp->msg_type); params.T1 = ntohl (mp->T1); params.T2 = ntohl (mp->T2); n_prefixes = ntohl (mp->n_prefixes); /* Minimal check to see that the number of prefixes is sane */ if (n_prefixes * sizeof (params.prefixes) > vl_msg_api_max_length (mp)) { rv = VNET_API_ERROR_INVALID_VALUE; goto bad_sw_if_index; } params.prefixes = 0; if (n_prefixes > 0) vec_validate (params.prefixes, n_prefixes - 1); for (i = 0; i < n_prefixes; i++) { vl_api_dhcp6_pd_prefix_info_t *pi = &mp->prefixes[i]; dhcp6_pd_send_client_message_params_prefix_t *pref = ¶ms.prefixes[i]; pref->preferred_lt = ntohl (pi->preferred_time); pref->valid_lt = ntohl (pi->valid_time); ip6_address_decode (pi->prefix.address, &pref->prefix); pref->prefix_length = pi->prefix.len; } dhcp6_pd_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop, ¶ms); } static clib_error_t * call_dhcp6_reply_event_callbacks (void *data, _vnet_dhcp6_reply_event_function_list_elt_t * elt) { clib_error_t *error = 0; while (elt) { error = elt->fp (data); if (error) return error; elt = elt->next_dhcp6_reply_event_function; } return error; } static uword dhcp6_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { /* These cross the longjmp boundary (vlib_process_wait_for_event) * and need to be volatile - to prevent them from being optimized into * a register - which could change during suspension */ while (1) { vlib_process_wait_for_event (vm); uword event_type = DHCP6_DP_REPLY_REPORT; void *event_data = vlib_process_get_event_data (vm, &event_type); int i; if (event_type == DHCP6_DP_REPLY_REPORT) { address_report_t *events = event_data; for (i = 0; i < vec_len (events); i++) { u32 event_size = sizeof (vl_api_dhcp6_reply_event_t) + vec_len (events[i].addresses) * sizeof (vl_api_dhcp6_address_info_t); vl_api_dhcp6_reply_event_t *event = clib_mem_alloc (event_size); clib_memset (event, 0, event_size); event->sw_if_index = htonl (events[i].body.sw_if_index); event->server_index = htonl (events[i].body.server_index); event->msg_type = events[i].body.msg_type; event->T1 = htonl (events[i].body.T1); event->T2 = htonl (events[i].body.T2); event->inner_status_code = htons (events[i].body.inner_status_code); event->status_code = htons (events[i].body.status_code); event->preference = events[i].body.preference; event->n_addresses = htonl (vec_len (events[i].addresses)); vl_api_dhcp6_address_info_t *address = (typeof (address)) event->addresses; u32 j; for (j = 0; j < vec_len (events[i].addresses); j++) { dhcp6_address_info_t *info = &events[i].addresses[j]; ip6_address_encode (&info->address, address->address); address->valid_time = htonl (info->valid_time); address->preferred_time = htonl (info->preferred_time); address++; } vec_free (events[i].addresses); dhcp6_ia_na_client_public_main_t *dcpm = &dhcp6_ia_na_client_public_main; call_dhcp6_reply_event_callbacks (event, dcpm->functions); vpe_client_registration_t *reg; /* *INDENT-OFF* */ pool_foreach (reg, vpe_api_main.dhcp6_reply_events_registrations) { vl_api_registration_t *vl_reg; vl_reg = vl_api_client_index_to_registration (reg->client_index); if (vl_reg && vl_api_can_send_msg (vl_reg)) { vl_api_dhcp6_reply_event_t *msg = vl_msg_api_alloc (event_size); clib_memcpy (msg, event, event_size); msg->_vl_msg_id = htons (VL_API_DHCP6_REPLY_EVENT + REPLY_MSG_ID_BASE); msg->client_index = reg->client_index; msg->pid = reg->client_pid; vl_api_send_msg (vl_reg, (u8 *) msg); } } /* *INDENT-ON* */ clib_mem_free (event); } } vlib_process_put_event_data (vm, event_data); } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (dhcp6_reply_process_node) = { .function = dhcp6_reply_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "dhcp6-reply-publisher-process", }; /* *INDENT-ON* */ static clib_error_t * call_dhcp6_pd_reply_event_callbacks (void *data, _vnet_dhcp6_pd_reply_event_function_list_elt_t * elt) { clib_error_t *error = 0; while (elt) { error = elt->fp (data); if (error) return error; elt = elt->next_dhcp6_pd_reply_event_function; } return error; } static uword dhcp6_pd_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { /* These cross the longjmp boundary (vlib_process_wait_for_event) * and need to be volatile - to prevent them from being optimized into * a register - which could change during suspension */ while (1) { vlib_process_wait_for_event (vm); uword event_type = DHCP6_PD_DP_REPLY_REPORT; void *event_data = vlib_process_get_event_data (vm, &event_type); int i; if (event_type == DHCP6_PD_DP_REPLY_REPORT) { prefix_report_t *events = event_data; for (i = 0; i < vec_len (events); i++) { u32 event_size = sizeof (vl_api_dhcp6_pd_reply_event_t) + vec_len (events[i].prefixes) * sizeof (vl_api_dhcp6_pd_prefix_info_t); vl_api_dhcp6_pd_reply_event_t *event = clib_mem_alloc (event_size); clib_memset (event, 0, event_size); event->sw_if_index = htonl (events[i].body.sw_if_index); event->server_index = htonl (events[i].body.server_index); event->msg_type = events[i].body.msg_type; event->T1 = htonl (events[i].body.T1); event->T2 = htonl (events[i].body.T2); event->inner_status_code = htons (events[i].body.inner_status_code); event->status_code = htons (events[i].body.status_code); event->preference = events[i].body.preference; event->n_prefixes = htonl (vec_len (events[i].prefixes)); vl_api_dhcp6_pd_prefix_info_t *prefix = (typeof (prefix)) event->prefixes; u32 j; for (j = 0; j < vec_len (events[i].prefixes); j++) { dhcp6_prefix_info_t *info = &events[i].prefixes[j]; ip6_address_encode (&info->prefix, prefix->prefix.address); prefix->prefix.len = info->prefix_length; prefix->valid_time = htonl (info->valid_time); prefix->preferred_time = htonl (info->preferred_time); prefix++; } vec_free (events[i].prefixes); dhcp6_pd_client_public_main_t *dpcpm = &dhcp6_pd_client_public_main; call_dhcp6_pd_reply_event_callbacks (event, dpcpm->functions); vpe_client_registration_t *reg; /* *INDENT-OFF* */ pool_foreach (reg, vpe_api_main.dhcp6_pd_reply_events_registrations) { vl_api_registration_t *vl_reg; vl_reg = vl_api_client_index_to_registration (reg->client_index); if (vl_reg && vl_api_can_send_msg (vl_reg)) { vl_api_dhcp6_pd_reply_event_t *msg = vl_msg_api_alloc (event_size); clib_memcpy (msg, event, event_size); msg->_vl_msg_id = htons (VL_API_DHCP6_PD_REPLY_EVENT + REPLY_MSG_ID_BASE); msg->client_index = reg->client_index; msg->pid = reg->client_pid; vl_api_send_msg (vl_reg, (u8 *) msg); } } /* *INDENT-ON* */ clib_mem_free (event); } } vlib_process_put_event_data (vm, event_data); } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (dhcp6_pd_reply_process_node) = { .function = dhcp6_pd_reply_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "dhcp6-pd-reply-publisher-process", }; /* *INDENT-ON* */ /* * dhcp_api_hookup * Add vpe's API message handlers to the table. * vlib has already mapped shared memory and * added the client registration handlers. * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() */ #include <dhcp/dhcp.api.c> static clib_error_t * dhcp_api_hookup (vlib_main_t * vm) { /* * Set up the (msg_name, crc, message-id) table */ dhcp_base_msg_id = setup_message_id_table (); dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index, DHCP6_PD_DP_REPLY_REPORT); dhcp6_set_publisher_node (dhcp6_reply_process_node.index, DHCP6_DP_REPLY_REPORT); return 0; } VLIB_API_INIT_FUNCTION (dhcp_api_hookup); #include <vlib/unix/plugin.h> #include <vpp/app/version.h> /* *INDENT-OFF* */ VLIB_PLUGIN_REGISTER () = { .version = VPP_BUILD_VER, .description = "Dynamic Host Configuration Protocol (DHCP)", }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */