/* *------------------------------------------------------------------ * pppoe_api.c - pppoe api * * Copyright (c) 2017 Intel 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/interface.h> #include <vnet/api_errno.h> #include <vnet/feature/feature.h> #include <vnet/fib/fib_table.h> #include <vppinfra/byte_order.h> #include <vlibmemory/api.h> #include <pppoe/pppoe.h> #define vl_msg_id(n,h) n, typedef enum { #include <pppoe/pppoe.api.h> /* We'll want to know how many messages IDs we need... */ VL_MSG_FIRST_AVAILABLE, } vl_msg_id_t; #undef vl_msg_id /* define message structures */ #define vl_typedefs #include <pppoe/pppoe.api.h> #undef vl_typedefs /* define generated endian-swappers */ #define vl_endianfun #include <pppoe/pppoe.api.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 <pppoe/pppoe.api.h> #undef vl_printfun /* Get the API version number */ #define vl_api_version(n,v) static u32 api_version=(v); #include <pppoe/pppoe.api.h> #undef vl_api_version #define vl_msg_name_crc_list #include <pppoe/pppoe.api.h> #undef vl_msg_name_crc_list #define REPLY_MSG_ID_BASE pem->msg_id_base #include <vlibapi/api_helper_macros.h> static void setup_message_id_table (pppoe_main_t * pem, api_main_t * am) { #define _(id,n,crc) \ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + pem->msg_id_base); foreach_vl_msg_name_crc_pppoe; #undef _ } #define foreach_pppoe_plugin_api_msg \ _(PPPOE_ADD_DEL_SESSION, pppoe_add_del_session) \ _(PPPOE_SESSION_DUMP, pppoe_session_dump) static void vl_api_pppoe_add_del_session_t_handler (vl_api_pppoe_add_del_session_t * mp) { vl_api_pppoe_add_del_session_reply_t *rmp; int rv = 0; u32 decap_fib_index; ip4_main_t *im = &ip4_main; pppoe_main_t *pem = &pppoe_main; uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id)); if (!p) { rv = VNET_API_ERROR_NO_SUCH_INNER_FIB; goto out; } decap_fib_index = p[0]; vnet_pppoe_add_del_session_args_t a = { .is_add = mp->is_add, .is_ip6 = mp->is_ipv6, .decap_fib_index = decap_fib_index, .session_id = ntohs (mp->session_id), .client_ip = to_ip46 (mp->is_ipv6, mp->client_ip), }; clib_memcpy (a.client_mac, mp->client_mac, 6); u32 sw_if_index = ~0; rv = vnet_pppoe_add_del_session (&a, &sw_if_index); out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_PPPOE_ADD_DEL_SESSION_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void send_pppoe_session_details (pppoe_session_t * t, vl_api_registration_t * reg, u32 context) { vl_api_pppoe_session_details_t *rmp; ip4_main_t *im4 = &ip4_main; ip6_main_t *im6 = &ip6_main; u8 is_ipv6 = !ip46_address_is_ip4 (&t->client_ip); rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_PPPOE_SESSION_DETAILS); if (is_ipv6) { memcpy (rmp->client_ip, t->client_ip.ip6.as_u8, 16); rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id); } else { memcpy (rmp->client_ip, t->client_ip.ip4.as_u8, 4); rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id); } rmp->session_id = htons (t->session_id); rmp->encap_if_index = htonl (t->encap_if_index); clib_memcpy (rmp->local_mac, t->local_mac, 6); clib_memcpy (rmp->client_mac, t->client_mac, 6); rmp->sw_if_index = htonl (t->sw_if_index); rmp->is_ipv6 = is_ipv6; rmp->context = context; vl_api_send_msg (reg, (u8 *) rmp); } static void vl_api_pppoe_session_dump_t_handler (vl_api_pppoe_session_dump_t * mp) { vl_api_registration_t *reg; pppoe_main_t *pem = &pppoe_main; pppoe_session_t *t; u32 sw_if_index; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; sw_if_index = ntohl (mp->sw_if_index); if (~0 == sw_if_index) { /* *INDENT-OFF* */ pool_foreach (t, pem->sessions, ({ send_pppoe_session_details(t, reg, mp->context); })); /* *INDENT-ON* */ } else { if ((sw_if_index >= vec_len (pem->session_index_by_sw_if_index)) || (~0 == pem->session_index_by_sw_if_index[sw_if_index])) { return; } t = &pem->sessions[pem->session_index_by_sw_if_index[sw_if_index]]; send_pppoe_session_details (t, reg, mp->context); } } static clib_error_t * pppoe_api_hookup (vlib_main_t * vm) { pppoe_main_t *pem = &pppoe_main; u8 *name = format (0, "pppoe_%08x%c", api_version, 0); pem->msg_id_base = vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE); #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + pem->msg_id_base), \ #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_pppoe_plugin_api_msg; #undef _ /* Add our API messages to the global name_crc hash table */ setup_message_id_table (pem, &api_main); return 0; } VLIB_API_INIT_FUNCTION (pppoe_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */