Wireshark 4.5.0
The Wireshark network protocol analyzer
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packet-fc.h
1/* packet-fc.h
2 * Basic Fibre Channel Header definitions
3 * Copyright 2002 Dinesh G Dutt ([email protected])
4 *
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <[email protected]>
7 * Copyright 1998 Gerald Combs
8 *
9 * SPDX-License-Identifier: GPL-2.0-or-later
10 */
11
12#ifndef __PACKET_FC_H_
13#define __PACKET_FC_H_
14
15#include <epan/conversation.h>
16#include <epan/etypes.h>
17#include "ws_symbol_export.h"
18
19/* R_CTL upper bits creates a classification tree */
20#define FC_RCTL_DEV_DATA 0x00
21#define FC_RCTL_ELS 0x20
22#define FC_RCTL_LINK_DATA 0x30
23#define FC_RCTL_VIDEO 0x40
24#define FC_RCTL_BLS 0x80
25#define FC_RCTL_LINK_CTL 0xC0
26/* XXX - is 0xF0 Extended Routing? It is in the FC-FS draft on the T11
27 Web site. */
28
29#define FC_TYPE_CMNSVC 0x0 /* Used in PRLI Svc Param Page */
30
31/* TYPE definitions for Basic or Extended Link_Data */
32#define FC_TYPE_BLS 0x0
33#define FC_TYPE_ELS 0x1
34
35/* TYPE definitions for FC-4 */
36#define FC_TYPE_LLCSNAP 0x4
37#define FC_TYPE_IP 0x5
38#define FC_TYPE_SCSI 0x8
39#define FC_TYPE_SB_TO_CU 0x1B
40#define FC_TYPE_SB_FROM_CU 0x1C
41#define FC_TYPE_FCCT 0x20
42#define FC_TYPE_SWILS 0x22
43#define FC_TYPE_AL 0x23
44#define FC_TYPE_SNMP 0x24
45#define FC_TYPE_VENDOR 0xFF
46
47
48/*
49 * the following allows TAP code access to the messages
50 * without having to duplicate it. With MSVC and a
51 * libwireshark.dll, we need a special declaration.
52 */
53WS_DLL_PUBLIC const value_string fc_fc4_val[];
54
55/* DF_CTL bits */
56#define FC_DFCTL_DH 0x03 /* Device_Header type bits: */
57#define FC_DFCTL_DH_NONE 0x00 /* No Device_Header */
58#define FC_DFCTL_DH_16_BYTE 0x01 /* 16 Byte Device_Header */
59#define FC_DFCTL_DH_32_BYTE 0x02 /* 32 Byte Device_Header */
60#define FC_DFCTL_DH_64_BYTE 0x03 /* 64 Byte Device_Header */
61#define FC_DFCTL_AH 0x10 /* Association_Header bit */
62#define FC_DFCTL_NH 0x20 /* Association_Header bit */
63#define FC_DFCTL_SH 0x40 /* reserved for security header */
64
65/* Derived Frame types (used for ULP demux) */
66#define FC_FTYPE_UNDEF 0x0
67#define FC_FTYPE_SWILS 0x1
68#define FC_FTYPE_IP 0x2
69#define FC_FTYPE_SCSI 0x3
70#define FC_FTYPE_BLS 0x4
71#define FC_FTYPE_ELS 0x5
72#define FC_FTYPE_FCCT 0x7
73#define FC_FTYPE_LINKDATA 0x8
74#define FC_FTYPE_VDO 0x9
75#define FC_FTYPE_LINKCTL 0xA
76#define FC_FTYPE_SWILS_RSP 0xB
77#define FC_FTYPE_SBCCS 0xC
78#define FC_FTYPE_OHMS 0xD
79
80/* Well-known Address Definitions (in Network order) */
81#define FC_WKA_MULTICAST 0xFFFFF5
82#define FC_WKA_CLKSYNC 0xFFFFF6
83#define FC_WKA_KEYDIST 0xFFFFF7
84#define FC_WKA_ALIAS 0xFFFFF8
85#define FC_WKA_QOSF 0xFFFFF9
86#define FC_WKA_MGMT 0xFFFFFA
87#define FC_WKA_TIME 0xFFFFFB
88#define FC_WKA_DNS 0xFFFFFC
89#define FC_WKA_FABRIC_CTRLR 0xFFFFFD
90#define FC_WKA_FPORT 0xFFFFFE
91#define FC_WKA_BCAST 0xFFFFFF
92
93/* Well-known Address Definitions (in little endian) */
94
95/* Information Categories for Link Data & Link Control Frames */
96#define FC_IU_UNCATEGORIZED 0x0
97#define FC_IU_SOLICITED_DATA 0x1
98#define FC_IU_UNSOLICITED_CTL 0x2
99#define FC_IU_SOLICITED_CTL 0x3
100#define FC_IU_UNSOLICITED_DATA 0x4
101#define FC_IU_DATA_DESCRIPTOR 0x5
102#define FC_IU_UNSOLICITED_CMD 0x6
103#define FC_IU_CMD_STATUS 0x7
104
105/* FC_CTL bits */
106#define FC_FCTL_EXCHANGE_RESPONDER 0x800000
107#define FC_FCTL_SEQ_RECIPIENT 0x400000
108#define FC_FCTL_EXCHANGE_FIRST 0x200000
109#define FC_FCTL_EXCHANGE_LAST 0x100000
110#define FC_FCTL_SEQ_LAST 0x080000
111#define FC_FCTL_PRIORITY 0x020000
112#define FC_FCTL_TRANSFER_SEQ_INITIATIVE 0x010000
113#define FC_FCTL_LAST_DATA_FRAME_MASK 0x00c000
114#define FC_FCTL_ACK_0_1_MASK 0x003000
115#define FC_FCTL_REXMITTED_SEQ 0x000200
116#define FC_FCTL_ABTS_MASK 0x000030
117#define FC_FCTL_REL_OFFSET 0x000008
118
119
120typedef struct _fc_exchange_t {
121 uint32_t first_exchange_frame;
122 uint32_t last_exchange_frame;
123 nstime_t fc_time;
125
126/* FC header structure */
127typedef struct _fc_hdr {
128 address s_id;
129 address d_id;
130 uint32_t fctl;
131 uint8_t type;
132 uint16_t seqcnt;
133 uint16_t oxid;
134 uint16_t rxid;
135 uint8_t r_ctl;
136 uint8_t cs_ctl;
137 uint16_t lun;
138 fc_exchange_t* fc_ex;
139 uint32_t relative_offset;
140} fc_hdr;
141
142#define FC_DATA_SOF_FIRST_FRAME 0x1
143#define FC_DATA_SOF_SOFF 0x2
144#define FC_DATA_EOF_LAST_FRAME 0x80
145#define FC_DATA_EOF_INVALID 0x40
146
147/* Data structure to pass into FC dissector */
148typedef struct _fc_data {
149 unsigned ethertype;
150 uint8_t sof_eof;
156} fc_data_t;
157
158#endif /* __PACKET_FC_H_ */
Definition address.h:56
Definition packet-fc.h:148
uint8_t sof_eof
Definition packet-fc.h:150
Definition packet-fc.h:120
Definition packet-fc.h:127
Definition value_string.h:25
Definition nstime.h:26