src/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_PING_NO_SRC_ADDRESS,
  36 } send_ip46_ping_result_t;
  37
  38 /*
  39  * Currently running ping command.
  40  */
  41 typedef struct ping_run_t
  42 {
  43   u16 icmp_id;
  44   u16 curr_seq;
  45   uword cli_process_id;
  46 } ping_run_t;
  47
  48 typedef struct ping_main_t
  49 {
  50   ip6_main_t *ip6_main;
  51   ip4_main_t *ip4_main;
  52   ping_run_t *ping_runs;
  53   /* hash table to find back the CLI process for a reply */
  54   // uword *cli_proc_by_icmp_id;
  55   ping_run_t *ping_run_by_icmp_id;
  56 } ping_main_t;
  57
  58 ping_main_t ping_main;
  59
  60 #define PING_DEFAULT_DATA_LEN 60
  61 #define PING_DEFAULT_INTERVAL 1.0
  62
  63 #define PING_MAXIMUM_DATA_SIZE (VLIB_BUFFER_DATA_SIZE - sizeof(ip6_header_t) - sizeof(icmp46_header_t) - offsetof(icmp46_echo_request_t, data))
  64
  65 /* *INDENT-OFF* */
  66
  67 typedef CLIB_PACKED (struct {
  68   u16 id;
  69   u16 seq;
  70   f64 time_sent;
  71   u8 data[0];
  72 }) icmp46_echo_request_t;
  73
  74
  75 typedef CLIB_PACKED (struct {
  76   ip6_header_t ip6;
  77   icmp46_header_t icmp;
  78   icmp46_echo_request_t icmp_echo;
  79 }) icmp6_echo_request_header_t;
  80
  81 typedef CLIB_PACKED (struct {
  82   ip4_header_t ip4;
  83   icmp46_header_t icmp;
  84   icmp46_echo_request_t icmp_echo;
  85 }) icmp4_echo_request_header_t;
  86
  87 /* *INDENT-ON* */
  88
  89
  90 typedef struct
  91 {
  92   u16 id;
  93   u16 seq;
  94   u8 bound;
  95 } icmp_echo_trace_t;
  96
  97
  98
  99
 100 typedef enum
 101 {
 102   ICMP6_ECHO_REPLY_NEXT_DROP,
 103   ICMP6_ECHO_REPLY_NEXT_PUNT,
 104   ICMP6_ECHO_REPLY_N_NEXT,
 105 } icmp6_echo_reply_next_t;
 106
 107 typedef enum
 108 {
 109   ICMP4_ECHO_REPLY_NEXT_DROP,
 110   ICMP4_ECHO_REPLY_NEXT_PUNT,
 111   ICMP4_ECHO_REPLY_N_NEXT,
 112 } icmp4_echo_reply_next_t;
 113
 114 #endif /* included_vnet_ping_h */