IPv6 RA improvements
[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_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 (VLIB_BUFFER_DATA_SIZE - sizeof(ip6_header_t) - sizeof(icmp46_header_t) - offsetof(icmp46_echo_request_t, data))
63
64 /* *INDENT-OFF* */
65
66 typedef CLIB_PACKED (struct {
67   u16 id;
68   u16 seq;
69   f64 time_sent;
70   u8 data[0];
71 }) icmp46_echo_request_t;
72
73
74 typedef CLIB_PACKED (struct {
75   ip6_header_t ip6;
76   icmp46_header_t icmp;
77   icmp46_echo_request_t icmp_echo;
78 }) icmp6_echo_request_header_t;
79
80 typedef CLIB_PACKED (struct {
81   ip4_header_t ip4;
82   icmp46_header_t icmp;
83   icmp46_echo_request_t icmp_echo;
84 }) icmp4_echo_request_header_t;
85
86 /* *INDENT-ON* */
87
88
89 typedef struct
90 {
91   u16 id;
92   u16 seq;
93   u8 bound;
94 } icmp_echo_trace_t;
95
96
97
98
99 typedef enum
100 {
101   ICMP6_ECHO_REPLY_NEXT_DROP,
102   ICMP6_ECHO_REPLY_NEXT_PUNT,
103   ICMP6_ECHO_REPLY_N_NEXT,
104 } icmp6_echo_reply_next_t;
105
106 typedef enum
107 {
108   ICMP4_ECHO_REPLY_NEXT_DROP,
109   ICMP4_ECHO_REPLY_NEXT_PUNT,
110   ICMP4_ECHO_REPLY_N_NEXT,
111 } icmp4_echo_reply_next_t;
112
113 #endif /* included_vnet_ping_h */