Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2017 Cisco and/or its affiliates.
       3             :  * Licensed under the Apache License, Version 2.0 (the "License");
       4             :  * you may not use this file except in compliance with the License.
       5             :  * You may obtain a copy of the License at:
       6             :  *
       7             :  *     http://www.apache.org/licenses/LICENSE-2.0
       8             :  *
       9             :  * Unless required by applicable law or agreed to in writing, software
      10             :  * distributed under the License is distributed on an "AS IS" BASIS,
      11             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             :  * See the License for the specific language governing permissions and
      13             :  * limitations under the License.
      14             :  */
      15             : 
      16             : #include <vlib/vlib.h>
      17             : #include <vnet/vnet.h>
      18             : #include <ioam/lib-e2e/ioam_seqno_lib.h>
      19             : 
      20             : u8 *
      21           0 : show_ioam_seqno_cmd_fn (u8 * s, ioam_seqno_data * seqno_data, u8 enc)
      22             : {
      23             :   seqno_rx_info *rx;
      24             : 
      25           0 :   s = format (s, "SeqNo Data:\n");
      26           0 :   if (enc)
      27             :     {
      28           0 :       s = format (s, "  Current Seq. Number : %llu\n", seqno_data->seq_num);
      29             :     }
      30             :   else
      31             :     {
      32           0 :       rx = &seqno_data->seqno_rx;
      33           0 :       s = show_ioam_seqno_analyse_data_fn (s, rx);
      34             :     }
      35             : 
      36           0 :   format (s, "\n");
      37           0 :   return s;
      38             : }
      39             : 
      40             : u8 *
      41           0 : show_ioam_seqno_analyse_data_fn (u8 * s, seqno_rx_info * rx)
      42             : {
      43           0 :   s = format (s, "  Highest Seq. Number : %llu\n", rx->bitmap.highest);
      44           0 :   s = format (s, "     Packets received : %llu\n", rx->rx_packets);
      45           0 :   s = format (s, "         Lost packets : %llu\n", rx->lost_packets);
      46           0 :   s = format (s, "    Reordered packets : %llu\n", rx->reordered_packets);
      47           0 :   s = format (s, "    Duplicate packets : %llu\n", rx->dup_packets);
      48             : 
      49           0 :   format (s, "\n");
      50           0 :   return s;
      51             : }
      52             : 
      53             : void
      54           0 : ioam_seqno_init_data (ioam_seqno_data * data)
      55             : {
      56           0 :   data->seq_num = 0;
      57           0 :   ioam_seqno_init_rx_info (&data->seqno_rx);
      58           0 :   return;
      59             : }
      60             : 
      61             : void
      62           0 : ioam_seqno_init_rx_info (seqno_rx_info * data)
      63             : {
      64           0 :   seqno_bitmap *bitmap = &data->bitmap;
      65           0 :   bitmap->window_size = SEQNO_WINDOW_SIZE;
      66           0 :   bitmap->array_size = SEQNO_WINDOW_ARRAY_SIZE;
      67           0 :   bitmap->mask = 32 * SEQNO_WINDOW_ARRAY_SIZE - 1;
      68           0 :   bitmap->array[0] = 0x00000000;     /* pretend we haven seen sequence numbers 0 */
      69           0 :   bitmap->highest = 0;
      70             : 
      71           0 :   data->dup_packets = 0;
      72           0 :   data->lost_packets = 0;
      73           0 :   data->reordered_packets = 0;
      74           0 :   data->rx_packets = 0;
      75           0 :   return;
      76             : }
      77             : 
      78             : /*
      79             :  * fd.io coding-style-patch-verification: ON
      80             :  *
      81             :  * Local Variables:
      82             :  * eval: (c-set-style "gnu")
      83             :  * End:
      84             :  */