/* *------------------------------------------------------------------ * ipsec_gre_api.c - ipsec_gre 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 <vnet/ipsec-gre/ipsec_gre.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 \ _(IPSEC_GRE_ADD_DEL_TUNNEL, ipsec_gre_add_del_tunnel) \ _(IPSEC_GRE_TUNNEL_DUMP, ipsec_gre_tunnel_dump) static void vl_api_ipsec_gre_add_del_tunnel_t_handler (vl_api_ipsec_gre_add_del_tunnel_t * mp) { vl_api_ipsec_gre_add_del_tunnel_reply_t *rmp; int rv = 0; vnet_ipsec_gre_add_del_tunnel_args_t _a, *a = &_a; u32 sw_if_index = ~0; /* Check src & dst are different */ if (memcmp (mp->src_address, mp->dst_address, 4) == 0) { rv = VNET_API_ERROR_SAME_SRC_DST; goto out; } memset (a, 0, sizeof (*a)); /* ip addresses sent in network byte order */ clib_memcpy (&(a->src), mp->src_address, 4); clib_memcpy (&(a->dst), mp->dst_address, 4); a->is_add = mp->is_add; a->lsa = ntohl (mp->local_sa_id); a->rsa = ntohl (mp->remote_sa_id); rv = vnet_ipsec_gre_add_del_tunnel (a, &sw_if_index); out: /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY, ({ rmp->sw_if_index = ntohl (sw_if_index); })); /* *INDENT-ON* */ } static void send_ipsec_gre_tunnel_details (ipsec_gre_tunnel_t * t, vl_api_registration_t * reg, u32 context) { vl_api_ipsec_gre_tunnel_details_t *rmp; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_IPSEC_GRE_TUNNEL_DETAILS); clib_memcpy (rmp->src_address, &(t->tunnel_src), 4); clib_memcpy (rmp->dst_address, &(t->tunnel_dst), 4); rmp->sw_if_index = htonl (t->sw_if_index); rmp->local_sa_id = htonl (t->local_sa_id); rmp->remote_sa_id = htonl (t->remote_sa_id); rmp->context = context; vl_api_send_msg (reg, (u8 *) rmp); } static void vl_api_ipsec_gre_tunnel_dump_t_handler (vl_api_ipsec_gre_tunnel_dump_t * mp) { vl_api_registration_t *reg; ipsec_gre_main_t *igm = &ipsec_gre_main; ipsec_gre_tunnel_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, igm->tunnels, ({ send_ipsec_gre_tunnel_details(t, reg, mp->context); })); /* *INDENT-ON* */ } else { if ((sw_if_index >= vec_len (igm->tunnel_index_by_sw_if_index)) || (~0 == igm->tunnel_index_by_sw_if_index[sw_if_index])) { return; } t = &igm->tunnels[igm->tunnel_index_by_sw_if_index[sw_if_index]]; send_ipsec_gre_tunnel_details (t, reg, mp->context); } } /* * ipsec_gre_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 <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_ipsec_gre; #undef _ } static clib_error_t * ipsec_gre_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 (ipsec_gre_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */