Line data    Source code

       1             : /*
       2             :  *------------------------------------------------------------------
       3             :  * pppoe_api.c - pppoe api
       4             :  *
       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:
       9             :  *
      10             :  *     http://www.apache.org/licenses/LICENSE-2.0
      11             :  *
      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             :  *------------------------------------------------------------------
      18             :  */
      19             : 
      20             : #include <vnet/interface.h>
      21             : #include <vnet/api_errno.h>
      22             : #include <vnet/feature/feature.h>
      23             : #include <vnet/fib/fib_table.h>
      24             : #include <vnet/ip/ip_types_api.h>
      25             : #include <vppinfra/byte_order.h>
      26             : #include <vlibmemory/api.h>
      27             : 
      28             : 
      29             : #include <pppoe/pppoe.h>
      30             : 
      31             : #include <vnet/format_fns.h>
      32             : #include <pppoe/pppoe.api_enum.h>
      33             : #include <pppoe/pppoe.api_types.h>
      34             : 
      35             : #define REPLY_MSG_ID_BASE pem->msg_id_base
      36             : #include <vlibapi/api_helper_macros.h>
      37             : 
      38          18 : static void vl_api_pppoe_add_del_session_t_handler
      39             :   (vl_api_pppoe_add_del_session_t * mp)
      40             : {
      41             :   vl_api_pppoe_add_del_session_reply_t *rmp;
      42          18 :   int rv = 0;
      43             :   u32 decap_fib_index;
      44          18 :   ip4_main_t *im = &ip4_main;
      45          18 :   pppoe_main_t *pem = &pppoe_main;
      46             : 
      47          18 :   uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->decap_vrf_id));
      48          18 :   if (!p)
      49             :     {
      50           0 :       rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
      51           0 :       goto out;
      52             :     }
      53          18 :   decap_fib_index = p[0];
      54             : 
      55          18 :   vnet_pppoe_add_del_session_args_t a = {
      56          18 :     .is_add = mp->is_add,
      57             :     .decap_fib_index = decap_fib_index,
      58          18 :     .session_id = ntohs (mp->session_id),
      59             :   };
      60          18 :   ip_address_decode (&mp->client_ip, &a.client_ip);
      61          18 :   clib_memcpy (a.client_mac, mp->client_mac, 6);
      62             : 
      63          18 :   u32 sw_if_index = ~0;
      64          18 :   rv = vnet_pppoe_add_del_session (&a, &sw_if_index);
      65             : 
      66          18 : out:
      67             :   /* *INDENT-OFF* */
      68          18 :   REPLY_MACRO2(VL_API_PPPOE_ADD_DEL_SESSION_REPLY,
      69             :   ({
      70             :     rmp->sw_if_index = ntohl (sw_if_index);
      71             :   }));
      72             :   /* *INDENT-ON* */
      73             : }
      74             : 
      75           0 : static void send_pppoe_session_details
      76             :   (pppoe_session_t * t, vl_api_registration_t * reg, u32 context)
      77             : {
      78             :   vl_api_pppoe_session_details_t *rmp;
      79           0 :   ip4_main_t *im4 = &ip4_main;
      80           0 :   ip6_main_t *im6 = &ip6_main;
      81           0 :   u8 is_ipv6 = !ip46_address_is_ip4 (&t->client_ip);
      82             : 
      83           0 :   rmp = vl_msg_api_alloc (sizeof (*rmp));
      84           0 :   clib_memset (rmp, 0, sizeof (*rmp));
      85           0 :   rmp->_vl_msg_id = ntohs (VL_API_PPPOE_SESSION_DETAILS);
      86           0 :   ip_address_encode (&t->client_ip, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
      87             :                      &rmp->client_ip);
      88             : 
      89           0 :   if (is_ipv6)
      90             :     {
      91           0 :       rmp->decap_vrf_id = htonl (im6->fibs[t->decap_fib_index].ft_table_id);
      92             :     }
      93             :   else
      94             :     {
      95           0 :       rmp->decap_vrf_id = htonl (im4->fibs[t->decap_fib_index].ft_table_id);
      96             :     }
      97           0 :   rmp->session_id = htons (t->session_id);
      98           0 :   rmp->encap_if_index = htonl (t->encap_if_index);
      99           0 :   clib_memcpy (rmp->local_mac, t->local_mac, 6);
     100           0 :   clib_memcpy (rmp->client_mac, t->client_mac, 6);
     101           0 :   rmp->sw_if_index = htonl (t->sw_if_index);
     102           0 :   rmp->context = context;
     103             : 
     104           0 :   vl_api_send_msg (reg, (u8 *) rmp);
     105           0 : }
     106             : 
     107             : static void
     108           0 : vl_api_pppoe_session_dump_t_handler (vl_api_pppoe_session_dump_t * mp)
     109             : {
     110             :   vl_api_registration_t *reg;
     111           0 :   pppoe_main_t *pem = &pppoe_main;
     112             :   pppoe_session_t *t;
     113             :   u32 sw_if_index;
     114             : 
     115           0 :   reg = vl_api_client_index_to_registration (mp->client_index);
     116           0 :   if (!reg)
     117           0 :     return;
     118             : 
     119           0 :   sw_if_index = ntohl (mp->sw_if_index);
     120             : 
     121           0 :   if (~0 == sw_if_index)
     122             :     {
     123             :       /* *INDENT-OFF* */
     124           0 :       pool_foreach (t, pem->sessions)
     125             :        {
     126           0 :         send_pppoe_session_details(t, reg, mp->context);
     127             :       }
     128             :       /* *INDENT-ON* */
     129             :     }
     130             :   else
     131             :     {
     132           0 :       if ((sw_if_index >= vec_len (pem->session_index_by_sw_if_index)) ||
     133           0 :           (~0 == pem->session_index_by_sw_if_index[sw_if_index]))
     134             :         {
     135           0 :           return;
     136             :         }
     137           0 :       t = &pem->sessions[pem->session_index_by_sw_if_index[sw_if_index]];
     138           0 :       send_pppoe_session_details (t, reg, mp->context);
     139             :     }
     140             : }
     141             : 
     142             : static void
     143           0 : vl_api_pppoe_add_del_cp_t_handler (vl_api_pppoe_add_del_cp_t * mp)
     144             : {
     145             :   vl_api_pppoe_add_del_cp_reply_t *rmp;
     146           0 :   i32 rv = 0;
     147           0 :   pppoe_main_t *pem = &pppoe_main;
     148             : 
     149           0 :   rv = pppoe_add_del_cp (ntohl (mp->sw_if_index), mp->is_add);
     150             : 
     151             :   /* *INDENT-OFF* */
     152           0 :   REPLY_MACRO(VL_API_PPPOE_ADD_DEL_CP_REPLY);
     153             :   /* *INDENT-ON* */
     154             : }
     155             : 
     156             : #include <pppoe/pppoe.api.c>
     157             : static clib_error_t *
     158         575 : pppoe_api_hookup (vlib_main_t * vm)
     159             : {
     160         575 :   pppoe_main_t *pem = &pppoe_main;
     161             : 
     162         575 :   pem->msg_id_base = setup_message_id_table ();
     163         575 :   return 0;
     164             : }
     165             : 
     166        1151 : VLIB_API_INIT_FUNCTION (pppoe_api_hookup);
     167             : 
     168             : /*
     169             :  * fd.io coding-style-patch-verification: ON
     170             :  *
     171             :  * Local Variables:
     172             :  * eval: (c-set-style "gnu")
     173             :  * End:
     174             :  */