diff options
Diffstat (limited to 'src/vnet/ipip/ipip_api.c')
| -rw-r--r-- | src/vnet/ipip/ipip_api.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/vnet/ipip/ipip_api.c b/src/vnet/ipip/ipip_api.c new file mode 100644 index 00000000000..a6633296515 --- /dev/null +++ b/src/vnet/ipip/ipip_api.c @@ -0,0 +1,230 @@ +/* + * ipip_api.c - ipip api + * + * Copyright (c) 2018 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 <vlibmemory/api.h> +#include <vnet/api_errno.h> +#include <vnet/fib/fib_table.h> +#include <vnet/interface.h> +#include <vnet/ipip/ipip.h> +#include <vnet/vnet.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 \ + _(IPIP_ADD_TUNNEL, ipip_add_tunnel) \ + _(IPIP_DEL_TUNNEL, ipip_del_tunnel) \ + _(IPIP_6RD_ADD_TUNNEL, ipip_6rd_add_tunnel) \ + _(IPIP_6RD_DEL_TUNNEL, ipip_6rd_del_tunnel) \ + _(IPIP_TUNNEL_DUMP, ipip_tunnel_dump) + +static void +vl_api_ipip_add_tunnel_t_handler (vl_api_ipip_add_tunnel_t * mp) +{ + vl_api_ipip_add_tunnel_reply_t *rmp; + int rv = 0; + u32 sw_if_index = ~0; + ip46_address_t src = ip46_address_initializer, dst = + ip46_address_initializer; + + /* ip addresses sent in network byte order */ + if (mp->is_ipv6) + { + clib_memcpy (&src.ip6, mp->src_address, 16); + clib_memcpy (&dst.ip6, mp->dst_address, 16); + } + else + { + clib_memcpy (&src.ip4, mp->src_address, 4); + clib_memcpy (&dst.ip4, mp->dst_address, 4); + } + + rv = ipip_add_tunnel (mp->is_ipv6 ? IPIP_TRANSPORT_IP6 : IPIP_TRANSPORT_IP4, + ntohl (mp->instance), &src, &dst, + ntohl (mp->fib_index), &sw_if_index); + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_IPIP_ADD_TUNNEL_REPLY, + ({ rmp->sw_if_index = ntohl(sw_if_index); })); + /* *INDENT-ON* */ +} + +static void +vl_api_ipip_del_tunnel_t_handler (vl_api_ipip_del_tunnel_t * mp) +{ + vl_api_ipip_del_tunnel_reply_t *rmp; + + int rv = ipip_del_tunnel (ntohl (mp->sw_if_index)); + + REPLY_MACRO (VL_API_IPIP_DEL_TUNNEL_REPLY); +} + +static void +send_ipip_tunnel_details (ipip_tunnel_t * t, + vl_api_registration_t * reg, u32 context) +{ + vl_api_ipip_tunnel_details_t *rmp; + bool is_ipv6 = t->transport == IPIP_TRANSPORT_IP6 ? true : false; + fib_table_t *ft; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = htons (VL_API_IPIP_TUNNEL_DETAILS); + if (is_ipv6) + { + clib_memcpy (rmp->src_address, &t->tunnel_src.ip6.as_u8, 16); + clib_memcpy (rmp->dst_address, &t->tunnel_dst.ip6.as_u8, 16); + ft = fib_table_get (t->fib_index, FIB_PROTOCOL_IP6); + rmp->fib_index = htonl (ft->ft_table_id); + } + else + { + clib_memcpy (rmp->src_address, &t->tunnel_src.ip4.as_u8, 4); + clib_memcpy (rmp->dst_address, &t->tunnel_dst.ip4.as_u8, 4); + ft = fib_table_get (t->fib_index, FIB_PROTOCOL_IP4); + rmp->fib_index = htonl (ft->ft_table_id); + } + rmp->instance = htonl (t->user_instance); + rmp->sw_if_index = htonl (t->sw_if_index); + rmp->context = context; + rmp->is_ipv6 = is_ipv6; + + vl_api_send_msg (reg, (u8 *) rmp); +} + +static void +vl_api_ipip_tunnel_dump_t_handler (vl_api_ipip_tunnel_dump_t * mp) +{ + vl_api_registration_t *reg; + ipip_main_t *gm = &ipip_main; + ipip_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 (sw_if_index == ~0) + { + /* *INDENT-OFF* */ + pool_foreach(t, gm->tunnels, + ({ send_ipip_tunnel_details(t, reg, mp->context); })); + /* *INDENT-ON* */ + } + else + { + t = ipip_tunnel_db_find_by_sw_if_index (sw_if_index); + if (t) + send_ipip_tunnel_details (t, reg, mp->context); + } +} + +static void +vl_api_ipip_6rd_add_tunnel_t_handler (vl_api_ipip_6rd_add_tunnel_t * mp) +{ + vl_api_ipip_6rd_add_tunnel_reply_t *rmp; + u32 sixrd_tunnel_index; + + int rv = sixrd_add_tunnel ((ip6_address_t *) & mp->ip6_prefix, + mp->ip6_prefix_len, + (ip4_address_t *) & mp->ip4_prefix, + mp->ip4_prefix_len, + (ip4_address_t *) & mp->ip4_src, + mp->security_check, + ntohl (mp->fib_index), &sixrd_tunnel_index); + + REPLY_MACRO2 (VL_API_IPIP_6RD_ADD_TUNNEL_REPLY, ( + { + rmp->sw_if_index = + htonl + (sixrd_tunnel_index);})); +} + +static void +vl_api_ipip_6rd_del_tunnel_t_handler (vl_api_ipip_6rd_del_tunnel_t * mp) +{ + vl_api_ipip_6rd_del_tunnel_reply_t *rmp; + + int rv = sixrd_del_tunnel (ntohl (mp->sw_if_index)); + + REPLY_MACRO (VL_API_IPIP_6RD_DEL_TUNNEL_REPLY); +} + +/* + * ipip_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_ipip; +#undef _ +} + +static clib_error_t * +ipip_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 (ipip_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |