2 *------------------------------------------------------------------
3 * pppoe_api.c - pppoe api
5 * Copyright (c) 2017 Intel and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/interface.h>
21 #include <vnet/api_errno.h>
22 #include <vnet/feature/feature.h>
23 #include <vnet/fib/fib_table.h>
25 #include <vppinfra/byte_order.h>
26 #include <vlibmemory/api.h>
27 #include <vlibsocket/api.h>
29 #include <pppoe/pppoe.h>
32 #define vl_msg_id(n,h) n,
35 #include <pppoe/pppoe.api.h>
36 /* We'll want to know how many messages IDs we need... */
37 VL_MSG_FIRST_AVAILABLE,
41 /* define message structures */
43 #include <pppoe/pppoe.api.h>
46 /* define generated endian-swappers */
48 #include <pppoe/pppoe.api.h>
51 /* instantiate all the print functions we know about */
52 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
54 #include <pppoe/pppoe.api.h>
57 /* Get the API version number */
58 #define vl_api_version(n,v) static u32 api_version=(v);
59 #include <pppoe/pppoe.api.h>
62 #define vl_msg_name_crc_list
63 #include <pppoe/pppoe.api.h>
64 #undef vl_msg_name_crc_list
66 #define REPLY_MSG_ID_BASE pem->msg_id_base
67 #include <vlibapi/api_helper_macros.h>
70 setup_message_id_table (pppoe_main_t * pem, api_main_t * am)
73 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + pem->msg_id_base);
74 foreach_vl_msg_name_crc_pppoe;
78 #define foreach_pppoe_plugin_api_msg \
79 _(PPPOE_ADD_DEL_SESSION, pppoe_add_del_session) \
80 _(PPPOE_SESSION_DUMP, pppoe_session_dump)
82 static void vl_api_pppoe_add_del_session_t_handler
83 (vl_api_pppoe_add_del_session_t * mp)
85 vl_api_pppoe_add_del_session_reply_t *rmp;
88 ip4_main_t *im = &ip4_main;
89 pppoe_main_t *pem = &pppoe_main;
91 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id));
94 rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
97 decap_fib_index = p[0];
99 vnet_pppoe_add_del_session_args_t a = {
100 .is_add = mp->is_add,
101 .is_ip6 = mp->is_ipv6,
102 .decap_fib_index = decap_fib_index,
103 .session_id = ntohs (mp->session_id),
104 .client_ip = to_ip46 (mp->is_ipv6, mp->client_ip),
106 clib_memcpy (a.client_mac, mp->client_mac, 6);
108 u32 sw_if_index = ~0;
109 rv = vnet_pppoe_add_del_session (&a, &sw_if_index);
113 REPLY_MACRO2(VL_API_PPPOE_ADD_DEL_SESSION_REPLY,
115 rmp->sw_if_index = ntohl (sw_if_index);
120 static void send_pppoe_session_details
121 (pppoe_session_t * t, unix_shared_memory_queue_t * q, u32 context)
123 vl_api_pppoe_session_details_t *rmp;
124 ip4_main_t *im4 = &ip4_main;
125 ip6_main_t *im6 = &ip6_main;
126 u8 is_ipv6 = !ip46_address_is_ip4 (&t->client_ip);
128 rmp = vl_msg_api_alloc (sizeof (*rmp));
129 memset (rmp, 0, sizeof (*rmp));
130 rmp->_vl_msg_id = ntohs (VL_API_PPPOE_SESSION_DETAILS);
133 memcpy (rmp->client_ip, t->client_ip.ip6.as_u8, 16);
134 rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id);
138 memcpy (rmp->client_ip, t->client_ip.ip4.as_u8, 4);
139 rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id);
141 rmp->session_id = htons (t->session_id);
142 rmp->encap_if_index = htonl (t->encap_if_index);
143 clib_memcpy (rmp->local_mac, t->local_mac, 6);
144 clib_memcpy (rmp->client_mac, t->client_mac, 6);
145 rmp->sw_if_index = htonl (t->sw_if_index);
146 rmp->is_ipv6 = is_ipv6;
147 rmp->context = context;
149 vl_msg_api_send_shmem (q, (u8 *) & rmp);
153 vl_api_pppoe_session_dump_t_handler (vl_api_pppoe_session_dump_t * mp)
155 unix_shared_memory_queue_t *q;
156 pppoe_main_t *pem = &pppoe_main;
160 q = vl_api_client_index_to_input_queue (mp->client_index);
166 sw_if_index = ntohl (mp->sw_if_index);
168 if (~0 == sw_if_index)
171 pool_foreach (t, pem->sessions,
173 send_pppoe_session_details(t, q, mp->context);
179 if ((sw_if_index >= vec_len (pem->session_index_by_sw_if_index)) ||
180 (~0 == pem->session_index_by_sw_if_index[sw_if_index]))
184 t = &pem->sessions[pem->session_index_by_sw_if_index[sw_if_index]];
185 send_pppoe_session_details (t, q, mp->context);
190 static clib_error_t *
191 pppoe_api_hookup (vlib_main_t * vm)
193 pppoe_main_t *pem = &pppoe_main;
195 u8 *name = format (0, "pppoe_%08x%c", api_version, 0);
196 pem->msg_id_base = vl_msg_api_get_msg_ids
197 ((char *) name, VL_MSG_FIRST_AVAILABLE);
200 vl_msg_api_set_handlers((VL_API_##N + pem->msg_id_base), \
202 vl_api_##n##_t_handler, \
204 vl_api_##n##_t_endian, \
205 vl_api_##n##_t_print, \
206 sizeof(vl_api_##n##_t), 1);
207 foreach_pppoe_plugin_api_msg;
210 /* Add our API messages to the global name_crc hash table */
211 setup_message_id_table (pem, &api_main);
216 VLIB_API_INIT_FUNCTION (pppoe_api_hookup);
219 * fd.io coding-style-patch-verification: ON
222 * eval: (c-set-style "gnu")