Line data    Source code

       1             : /*
       2             :  *------------------------------------------------------------------
       3             :  * span_api.c - span mirroring api
       4             :  *
       5             :  * Copyright (c) 2016 Cisco 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/vnet.h>
      21             : #include <vlibmemory/api.h>
      22             : 
      23             : #include <vnet/interface.h>
      24             : #include <vnet/api_errno.h>
      25             : #include <vnet/span/span.h>
      26             : 
      27             : #include <vnet/format_fns.h>
      28             : #include <vnet/span/span.api_enum.h>
      29             : #include <vnet/span/span.api_types.h>
      30             : 
      31             : #define REPLY_MSG_ID_BASE span_main.msg_id_base
      32             : #include <vlibapi/api_helper_macros.h>
      33             : 
      34             : static void
      35          20 :   vl_api_sw_interface_span_enable_disable_t_handler
      36             :   (vl_api_sw_interface_span_enable_disable_t * mp)
      37             : {
      38             :   vl_api_sw_interface_span_enable_disable_reply_t *rmp;
      39             :   int rv;
      40             : 
      41          20 :   vlib_main_t *vm = vlib_get_main ();
      42             : 
      43          20 :   rv = span_add_delete_entry (vm, ntohl (mp->sw_if_index_from),
      44          20 :                               ntohl (mp->sw_if_index_to), ntohl (mp->state),
      45          20 :                               mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE);
      46             : 
      47          20 :   REPLY_MACRO (VL_API_SW_INTERFACE_SPAN_ENABLE_DISABLE_REPLY);
      48             : }
      49             : 
      50             : static void
      51           0 : vl_api_sw_interface_span_dump_t_handler (vl_api_sw_interface_span_dump_t * mp)
      52             : {
      53             : 
      54             :   vl_api_registration_t *reg;
      55             :   span_interface_t *si;
      56             :   vl_api_sw_interface_span_details_t *rmp;
      57           0 :   span_main_t *sm = &span_main;
      58             : 
      59           0 :   reg = vl_api_client_index_to_registration (mp->client_index);
      60           0 :   if (!reg)
      61           0 :     return;
      62             : 
      63           0 :   span_feat_t sf = mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE;
      64             :   /* *INDENT-OFF* */
      65           0 :   vec_foreach (si, sm->interfaces)
      66             :   {
      67           0 :     span_mirror_t * rxm = &si->mirror_rxtx[sf][VLIB_RX];
      68           0 :     span_mirror_t * txm = &si->mirror_rxtx[sf][VLIB_TX];
      69           0 :     if (rxm->num_mirror_ports || txm->num_mirror_ports)
      70             :     {
      71             :       clib_bitmap_t *b;
      72             :       u32 i;
      73           0 :       b = clib_bitmap_dup_or (rxm->mirror_ports, txm->mirror_ports);
      74           0 :       clib_bitmap_foreach (i, b)
      75             :         {
      76           0 :           rmp = vl_msg_api_alloc (sizeof (*rmp));
      77           0 :           clib_memset (rmp, 0, sizeof (*rmp));
      78           0 :           rmp->_vl_msg_id =
      79           0 :             ntohs (REPLY_MSG_ID_BASE + VL_API_SW_INTERFACE_SPAN_DETAILS);
      80           0 :           rmp->context = mp->context;
      81             : 
      82           0 :           rmp->sw_if_index_from = htonl (si - sm->interfaces);
      83           0 :           rmp->sw_if_index_to = htonl (i);
      84           0 :           rmp->state = htonl ((clib_bitmap_get (rxm->mirror_ports, i) +
      85           0 :                                clib_bitmap_get (txm->mirror_ports, i) * 2));
      86           0 :           rmp->is_l2 = mp->is_l2;
      87             : 
      88           0 :           vl_api_send_msg (reg, (u8 *) rmp);
      89             :         }
      90           0 :       clib_bitmap_free (b);
      91             :     }
      92             :     }
      93             :   /* *INDENT-ON* */
      94             : }
      95             : 
      96             : #include <vnet/span/span.api.c>
      97             : static clib_error_t *
      98         575 : span_api_hookup (vlib_main_t * vm)
      99             : {
     100             :   /*
     101             :    * Set up the (msg_name, crc, message-id) table
     102             :    */
     103         575 :   REPLY_MSG_ID_BASE = setup_message_id_table ();
     104             : 
     105         575 :   return 0;
     106             : }
     107             : 
     108       14399 : VLIB_API_INIT_FUNCTION (span_api_hookup);
     109             : 
     110             : /*
     111             :  * fd.io coding-style-patch-verification: ON
     112             :  *
     113             :  * Local Variables:
     114             :  * eval: (c-set-style "gnu")
     115             :  * End:
     116             :  */