/* *------------------------------------------------------------------ * lldp_api.c - lldp api * * Copyright (c) 2017 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 <vnet/lldp/lldp.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/ip/ip_types_api.h> #include <vnet/vnet_msg_enum.h> #define vl_typedefs /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <vnet/vnet_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 <vnet/vnet_all_api_h.h> #undef vl_printfun #include <vlibapi/api_helper_macros.h> #define foreach_vpe_api_msg \ _(LLDP_CONFIG, lldp_config) \ _(SW_INTERFACE_SET_LLDP, sw_interface_set_lldp) static void vl_api_lldp_config_t_handler (vl_api_lldp_config_t * mp) { vl_api_lldp_config_reply_t *rmp; int rv = 0; u8 *sys_name = 0; sys_name = vl_api_from_api_to_new_vec (mp, &mp->system_name); if (lldp_cfg_set (&sys_name, ntohl (mp->tx_hold), ntohl (mp->tx_interval)) != lldp_ok) { vec_free (sys_name); rv = VNET_API_ERROR_INVALID_VALUE; } REPLY_MACRO (VL_API_LLDP_CONFIG_REPLY); } static void vl_api_sw_interface_set_lldp_t_handler (vl_api_sw_interface_set_lldp_t * mp) { vl_api_sw_interface_set_lldp_reply_t *rmp; int rv = 0; u8 *mgmt_oid = 0, *mgmt_ip4 = 0, *mgmt_ip6 = 0; char *port_desc = 0; u8 no_data[128] = { 0 }; ip4_address_t ip4; ip6_address_t ip6; if (vl_api_string_len (&mp->port_desc) > 0) { port_desc = vl_api_from_api_to_new_c_string (&mp->port_desc); } ip4_address_decode (mp->mgmt_ip4, &ip4); if (ip4.as_u32 != 0) { vec_validate (mgmt_ip4, sizeof (ip4_address_t) - 1); clib_memcpy (mgmt_ip4, &ip4, vec_len (mgmt_ip4)); } ip6_address_decode (mp->mgmt_ip6, &ip6); if (!ip6_address_is_zero (&ip6)) { vec_validate (mgmt_ip6, sizeof (ip6_address_t) - 1); clib_memcpy (mgmt_ip6, &ip6, vec_len (mgmt_ip6)); } if (memcmp (mp->mgmt_oid, no_data, strlen ((char *) mp->mgmt_oid)) != 0) { vec_validate (mgmt_oid, strlen ((char *) mp->mgmt_oid) - 1); strncpy ((char *) mgmt_oid, (char *) mp->mgmt_oid, vec_len (mgmt_oid)); } VALIDATE_SW_IF_INDEX (mp); if (lldp_cfg_intf_set (ntohl (mp->sw_if_index), (u8 **) & port_desc, &mgmt_ip4, &mgmt_ip6, &mgmt_oid, mp->enable) != lldp_ok) { vec_free (port_desc); vec_free (mgmt_ip4); vec_free (mgmt_ip6); vec_free (mgmt_oid); rv = VNET_API_ERROR_INVALID_VALUE; } BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_LLDP_REPLY); } /* * * lldp_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() * */ #define vl_msg_name_crc_list #include <vnet/vnet_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_lldp; #undef _ } static clib_error_t * lldp_api_hookup (vlib_main_t * vm) { api_main_t *am = vlibapi_get_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 (lldp_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */