/* *------------------------------------------------------------------ * 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 #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 \ _(DHCP_PROXY_CONFIG,dhcp_proxy_config) \ _(DHCP_PROXY_CONFIG_2,dhcp_proxy_config_2) \ _(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss) \ _(DHCP_CLIENT_CONFIG, dhcp_client_config) static void dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t * mp) { vl_api_dhcp_proxy_config_reply_t *rmp; int rv; rv = dhcp_proxy_set_server ((ip4_address_t *) (&mp->dhcp_server), (ip4_address_t *) (&mp->dhcp_src_address), (u32) ntohl (mp->vrf_id), (int) mp->insert_circuit_id, (int) (mp->is_add == 0)); REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY); } static void dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t * mp) { vl_api_dhcp_proxy_config_reply_t *rmp; int rv = -1; rv = dhcpv6_proxy_set_server ((ip6_address_t *) (&mp->dhcp_server), (ip6_address_t *) (&mp->dhcp_src_address), (u32) ntohl (mp->vrf_id), (int) mp->insert_circuit_id, (int) (mp->is_add == 0)); REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY); } static void dhcpv4_proxy_config_2 (vl_api_dhcp_proxy_config_2_t * mp) { vl_api_dhcp_proxy_config_reply_t *rmp; int rv; rv = dhcp_proxy_set_server_2 ((ip4_address_t *) (&mp->dhcp_server), (ip4_address_t *) (&mp->dhcp_src_address), (u32) ntohl (mp->rx_vrf_id), (u32) ntohl (mp->server_vrf_id), (int) mp->insert_circuit_id, (int) (mp->is_add == 0)); REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_2_REPLY); } static void dhcpv6_proxy_config_2 (vl_api_dhcp_proxy_config_2_t * mp) { vl_api_dhcp_proxy_config_reply_t *rmp; int rv = -1; rv = dhcpv6_proxy_set_server_2 ((ip6_address_t *) (&mp->dhcp_server), (ip6_address_t *) (&mp->dhcp_src_address), (u32) ntohl (mp->rx_vrf_id), (u32) ntohl (mp->server_vrf_id), (int) mp->insert_circuit_id, (int) (mp->is_add == 0)); REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_2_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; int rv; if (!mp->is_ipv6) rv = dhcp_proxy_set_option82_vss (ntohl (mp->tbl_id), ntohl (mp->oui), ntohl (mp->fib_id), (int) mp->is_add == 0); else rv = dhcpv6_proxy_set_vss (ntohl (mp->tbl_id), ntohl (mp->oui), ntohl (mp->fib_id), (int) 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) { if (mp->is_ipv6 == 0) dhcpv4_proxy_config (mp); else dhcpv6_proxy_config (mp); } void dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname, u8 is_ipv6, u8 * host_address, u8 * router_address, u8 * host_mac) { unix_shared_memory_queue_t *q; vl_api_dhcp_compl_event_t *mp; q = vl_api_client_index_to_input_queue (client_index); if (!q) return; mp = vl_msg_api_alloc (sizeof (*mp)); mp->client_index = client_index; mp->pid = pid; mp->is_ipv6 = is_ipv6; clib_memcpy (&mp->hostname, hostname, vec_len (hostname)); mp->hostname[vec_len (hostname) + 1] = '\n'; clib_memcpy (&mp->host_address[0], host_address, 16); clib_memcpy (&mp->router_address[0], router_address, 16); if (NULL != host_mac) clib_memcpy (&mp->host_mac[0], host_mac, 6); mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT); vl_msg_api_send_shmem (q, (u8 *) & mp); } static void vl_api_dhcp_proxy_config_2_t_handler (vl_api_dhcp_proxy_config_2_t * mp) { if (mp->is_ipv6 == 0) dhcpv4_proxy_config_2 (mp); else dhcpv6_proxy_config_2 (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; int rv = 0; VALIDATE_SW_IF_INDEX (mp); rv = dhcp_client_config (vm, ntohl (mp->sw_if_index), mp->hostname, mp->is_add, mp->client_index, mp->want_dhcp_event ? dhcp_compl_event_callback : NULL, mp->pid); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY); } /* * dhcp_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() */ #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_dhcp; #undef _ } static clib_error_t * dhcp_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 _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (dhcp_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */