vnet/vnet/ip/ping.h

   1 /*
   2  * Copyright (c) 2015 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 #ifndef included_vnet_ping_h
  16 #define included_vnet_ping_h
  17
  18
  19 #include <vnet/ip/ip.h>
  20
  21 #include <vnet/ip/lookup.h>
  22
  23 typedef enum
  24 {
  25   PING_RESPONSE_IP6 = 42,
  26   PING_RESPONSE_IP4,
  27 } ping_response_type_t;
  28
  29 typedef enum
  30 {
  31   SEND_PING_OK = 0,
  32   SEND_PING_ALLOC_FAIL,
  33   SEND_PING_NO_INTERFACE,
  34   SEND_PING_NO_TABLE,
  35 } send_ip46_ping_result_t;
  36
  37 /*
  38  * Currently running ping command.
  39  */
  40 typedef struct ping_run_t
  41 {
  42   u16 icmp_id;
  43   u16 curr_seq;
  44   uword cli_process_id;
  45 } ping_run_t;
  46
  47 typedef struct ping_main_t
  48 {
  49   ip6_main_t *ip6_main;
  50   ip4_main_t *ip4_main;
  51   ping_run_t *ping_runs;
  52   /* hash table to find back the CLI process for a reply */
  53   // uword *cli_proc_by_icmp_id;
  54   ping_run_t *ping_run_by_icmp_id;
  55 } ping_main_t;
  56
  57 ping_main_t ping_main;
  58
  59 #define PING_DEFAULT_DATA_LEN 60
  60 #define PING_DEFAULT_INTERVAL 1.0
  61
  62 #define PING_MAXIMUM_DATA_SIZE 2000
  63
  64 typedef CLIB_PACKED (struct
  65                      {
  66                      u16 id;
  67                      u16 seq; f64 time_sent; u8 data[PING_MAXIMUM_DATA_SIZE];
  68                      }) icmp46_echo_request_t;
  69
  70
  71 typedef CLIB_PACKED (struct
  72                      {
  73                      ip6_header_t ip6;
  74                      icmp46_header_t icmp; icmp46_echo_request_t icmp_echo;
  75                      }) icmp6_echo_request_header_t;
  76
  77 typedef CLIB_PACKED (struct
  78                      {
  79                      ip4_header_t ip4;
  80                      icmp46_header_t icmp; icmp46_echo_request_t icmp_echo;
  81                      }) icmp4_echo_request_header_t;
  82
  83
  84 typedef struct
  85 {
  86   u16 id;
  87   u16 seq;
  88   u8 bound;
  89 } icmp_echo_trace_t;
  90
  91
  92
  93
  94 typedef enum
  95 {
  96   ICMP6_ECHO_REPLY_NEXT_DROP,
  97   ICMP6_ECHO_REPLY_NEXT_PUNT,
  98   ICMP6_ECHO_REPLY_N_NEXT,
  99 } icmp6_echo_reply_next_t;
 100
 101 typedef enum
 102 {
 103   ICMP4_ECHO_REPLY_NEXT_DROP,
 104   ICMP4_ECHO_REPLY_NEXT_PUNT,
 105   ICMP4_ECHO_REPLY_N_NEXT,
 106 } icmp4_echo_reply_next_t;
 107
 108 #endif /* included_vnet_ping_h */