2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
13 * Original code by Francesco Fondelli (francesco dot fondelli, gmail dot com)
16 /* \summary: Autosar SOME/IP Protocol printer */
22 #include "netdissect-stdinc.h"
23 #include "netdissect.h"
28 * SOMEIP Header (R19-11)
31 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
32 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
33 * | Message ID (Service ID/Method ID) |
34 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
36 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
37 * | Request ID (Client ID/Session ID) |
38 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
39 * | Protocol Ver | Interface Ver | Message Type | Return Code |
40 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
42 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
45 static const struct tok message_type_values[] = {
47 { 0x01, "REQUEST_NO_RETURN" },
48 { 0x02, "NOTIFICATION" },
51 { 0x20, "TP_REQUEST" },
52 { 0x21, "TP_REQUEST_NO_RETURN" },
53 { 0x22, "TP_NOTIFICATION" },
54 { 0xa0, "TP_RESPONSE" },
59 static const struct tok return_code_values[] = {
62 { 0x02, "E_UNKNOWN_SERVICE" },
63 { 0x03, "E_UNKNOWN_METHOD" },
64 { 0x04, "E_NOT_READY" },
65 { 0x05, "E_NOT_REACHABLE" },
66 { 0x06, "E_TIMEOUT" },
67 { 0x07, "E_WRONG_PROTOCOL_VERSION" },
68 { 0x08, "E_WRONG_INTERFACE_VERSION" },
69 { 0x09, "E_MALFORMED_MESSAGE" },
70 { 0x0a, "E_WRONG_MESSAGE_TYPE" },
71 { 0x0b, "E_E2E_REPEATED" },
72 { 0x0c, "E_E2E_WRONG_SEQUENCE" },
74 { 0x0e, "E_E2E_NOT_AVAILABLE" },
75 { 0x0f, "E_E2E_NO_NEW_DATA" },
80 someip_print(netdissect_options *ndo, const u_char *bp, const u_int len)
84 uint16_t method_or_event_id;
90 uint8_t protocol_version;
91 uint8_t interface_version;
95 ndo->ndo_protocol = "someip";
96 nd_print_protocol_caps(ndo);
102 message_id = GET_BE_U_4(bp);
103 service_id = message_id >> 16;
104 event_flag = (message_id & 0x00008000) >> 15;
105 method_or_event_id = message_id & 0x00007FFF;
107 ND_PRINT(", service %u, %s %u",
108 service_id, event_flag ? "event" : "method", method_or_event_id);
110 message_len = GET_BE_U_4(bp);
112 ND_PRINT(", len %u", message_len);
114 request_id = GET_BE_U_4(bp);
115 client_id = request_id >> 16;
116 session_id = request_id & 0x0000FFFF;
118 ND_PRINT(", client %u, session %u", client_id, session_id);
120 protocol_version = GET_U_1(bp);
122 ND_PRINT(", pver %u", protocol_version);
124 interface_version = GET_U_1(bp);
126 ND_PRINT(", iver %u", interface_version);
128 message_type = GET_U_1(bp);
130 ND_PRINT(", msgtype %s",
131 tok2str(message_type_values, "Unknown", message_type));
133 return_code = GET_U_1(bp);
135 ND_PRINT(", retcode %s\n",
136 tok2str(return_code_values, "Unknown", return_code));
141 nd_print_invalid(ndo);