3f7488fbeac468bb4b58e7d8d19c5f5c37574048
[vpp.git] / 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   uword cli_thread_index;
47 } ping_run_t;
48
49 typedef struct ping_main_t
50 {
51   ip6_main_t *ip6_main;
52   ip4_main_t *ip4_main;
53   ping_run_t *ping_runs;
54   /* hash table to find back the CLI process for a reply */
55   // uword *cli_proc_by_icmp_id;
56   ping_run_t *ping_run_by_icmp_id;
57 } ping_main_t;
58
59 extern ping_main_t ping_main;
60
61 #define PING_DEFAULT_DATA_LEN 60
62 #define PING_DEFAULT_INTERVAL 1.0
63
64 #define PING_MAXIMUM_DATA_SIZE (VLIB_BUFFER_DATA_SIZE - sizeof(ip6_header_t) - sizeof(icmp46_header_t) - offsetof(icmp46_echo_request_t, data))
65
66 /* *INDENT-OFF* */
67
68 typedef CLIB_PACKED (struct {
69   u16 id;
70   u16 seq;
71   f64 time_sent;
72   u8 data[0];
73 }) icmp46_echo_request_t;
74
75
76 typedef CLIB_PACKED (struct {
77   ip6_header_t ip6;
78   icmp46_header_t icmp;
79   icmp46_echo_request_t icmp_echo;
80 }) icmp6_echo_request_header_t;
81
82 typedef CLIB_PACKED (struct {
83   ip4_header_t ip4;
84   icmp46_header_t icmp;
85   icmp46_echo_request_t icmp_echo;
86 }) icmp4_echo_request_header_t;
87
88 /* *INDENT-ON* */
89
90
91 typedef struct
92 {
93   u16 id;
94   u16 seq;
95   u8 bound;
96 } icmp_echo_trace_t;
97
98
99
100
101 typedef enum
102 {
103   ICMP6_ECHO_REPLY_NEXT_DROP,
104   ICMP6_ECHO_REPLY_NEXT_PUNT,
105   ICMP6_ECHO_REPLY_N_NEXT,
106 } icmp6_echo_reply_next_t;
107
108 typedef enum
109 {
110   ICMP4_ECHO_REPLY_NEXT_DROP,
111   ICMP4_ECHO_REPLY_NEXT_PUNT,
112   ICMP4_ECHO_REPLY_N_NEXT,
113 } icmp4_echo_reply_next_t;
114
115 #endif /* included_vnet_ping_h */