diff options
Diffstat (limited to 'src/plugins/pppoe/pppoe_api.c')
| -rw-r--r-- | src/plugins/pppoe/pppoe_api.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/plugins/pppoe/pppoe_api.c b/src/plugins/pppoe/pppoe_api.c new file mode 100644 index 00000000..9b758460 --- /dev/null +++ b/src/plugins/pppoe/pppoe_api.c @@ -0,0 +1,224 @@ +/* + *------------------------------------------------------------------ + * 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 <vlibsocket/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, unix_shared_memory_queue_t * q, 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)); + 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_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_pppoe_session_dump_t_handler (vl_api_pppoe_session_dump_t * mp) +{ + unix_shared_memory_queue_t *q; + pppoe_main_t *pem = &pppoe_main; + pppoe_session_t *t; + u32 sw_if_index; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + 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, q, 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, q, 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: + */ |