Wireshark  2.9.0-477-g68ec514b
The Wireshark network protocol analyzer
packet-fc.h
1 /* packet-fc.h
2  * Basic Fibre Channel Header definitions
3  * Copyright 2002 Dinesh G Dutt (ddutt@cisco.com)
4  *
5  * Wireshark - Network traffic analyzer
6  * By Gerald Combs <gerald@wireshark.org>
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 "ws_symbol_export.h"
17 
18 /* R_CTL upper bits creates a classification tree */
19 #define FC_RCTL_DEV_DATA 0x00
20 #define FC_RCTL_ELS 0x20
21 #define FC_RCTL_LINK_DATA 0x30
22 #define FC_RCTL_VIDEO 0x40
23 #define FC_RCTL_BLS 0x80
24 #define FC_RCTL_LINK_CTL 0xC0
25 /* XXX - is 0xF0 Extended Routing? It is in the FC-FS draft on the T11
26  Web site. */
27 
28 #define FC_TYPE_CMNSVC 0x0 /* Used in PRLI Svc Param Page */
29 
30 /* TYPE definitions for Basic or Extended Link_Data */
31 #define FC_TYPE_BLS 0x0
32 #define FC_TYPE_ELS 0x1
33 
34 /* TYPE definitions for FC-4 */
35 #define FC_TYPE_LLCSNAP 0x4
36 #define FC_TYPE_IP 0x5
37 #define FC_TYPE_SCSI 0x8
38 #define FC_TYPE_SB_TO_CU 0x1B
39 #define FC_TYPE_SB_FROM_CU 0x1C
40 #define FC_TYPE_FCCT 0x20
41 #define FC_TYPE_SWILS 0x22
42 #define FC_TYPE_AL 0x23
43 #define FC_TYPE_SNMP 0x24
44 #define FC_TYPE_VENDOR 0xFF
45 
46 
47 /*
48  * the following allows TAP code access to the messages
49  * without having to duplicate it. With MSVC and a
50  * libwireshark.dll, we need a special declaration.
51  */
52 WS_DLL_PUBLIC const value_string fc_fc4_val[];
53 
54 /* DF_CTL bits */
55 #define FC_DFCTL_DH 0x03 /* Device_Header type bits: */
56 #define FC_DFCTL_DH_NONE 0x00 /* No Device_Header */
57 #define FC_DFCTL_DH_16_BYTE 0x01 /* 16 Byte Device_Header */
58 #define FC_DFCTL_DH_32_BYTE 0x02 /* 32 Byte Device_Header */
59 #define FC_DFCTL_DH_64_BYTE 0x03 /* 64 Byte Device_Header */
60 #define FC_DFCTL_AH 0x10 /* Association_Header bit */
61 #define FC_DFCTL_NH 0x20 /* Association_Header bit */
62 #define FC_DFCTL_SH 0x40 /* reserved for security header */
63 
64 /* Derived Frame types (used for ULP demux) */
65 #define FC_FTYPE_UNDEF 0x0
66 #define FC_FTYPE_SWILS 0x1
67 #define FC_FTYPE_IP 0x2
68 #define FC_FTYPE_SCSI 0x3
69 #define FC_FTYPE_BLS 0x4
70 #define FC_FTYPE_ELS 0x5
71 #define FC_FTYPE_FCCT 0x7
72 #define FC_FTYPE_LINKDATA 0x8
73 #define FC_FTYPE_VDO 0x9
74 #define FC_FTYPE_LINKCTL 0xA
75 #define FC_FTYPE_SWILS_RSP 0xB
76 #define FC_FTYPE_SBCCS 0xC
77 #define FC_FTYPE_OHMS 0xD
78 
79 /* Well-known Address Definitions (in Network order) */
80 #define FC_WKA_MULTICAST 0xFFFFF5
81 #define FC_WKA_CLKSYNC 0xFFFFF6
82 #define FC_WKA_KEYDIST 0xFFFFF7
83 #define FC_WKA_ALIAS 0xFFFFF8
84 #define FC_WKA_QOSF 0xFFFFF9
85 #define FC_WKA_MGMT 0xFFFFFA
86 #define FC_WKA_TIME 0xFFFFFB
87 #define FC_WKA_DNS 0xFFFFFC
88 #define FC_WKA_FABRIC_CTRLR 0xFFFFFD
89 #define FC_WKA_FPORT 0xFFFFFE
90 #define FC_WKA_BCAST 0xFFFFFF
91 
92 /* Well-known Address Definitions (in little endian) */
93 
94 /* Information Categories for Link Data & Link Control Frames */
95 #define FC_IU_UNCATEGORIZED 0x0
96 #define FC_IU_SOLICITED_DATA 0x1
97 #define FC_IU_UNSOLICITED_CTL 0x2
98 #define FC_IU_SOLICITED_CTL 0x3
99 #define FC_IU_UNSOLICITED_DATA 0x4
100 #define FC_IU_DATA_DESCRIPTOR 0x5
101 #define FC_IU_UNSOLICITED_CMD 0x6
102 #define FC_IU_CMD_STATUS 0x7
103 
104 /* FC_CTL bits */
105 #define FC_FCTL_EXCHANGE_RESPONDER 0x800000
106 #define FC_FCTL_SEQ_RECIPIENT 0x400000
107 #define FC_FCTL_EXCHANGE_FIRST 0x200000
108 #define FC_FCTL_EXCHANGE_LAST 0x100000
109 #define FC_FCTL_SEQ_LAST 0x080000
110 #define FC_FCTL_PRIORITY 0x020000
111 #define FC_FCTL_TRANSFER_SEQ_INITIATIVE 0x010000
112 #define FC_FCTL_LAST_DATA_FRAME_MASK 0x00c000
113 #define FC_FCTL_ACK_0_1_MASK 0x003000
114 #define FC_FCTL_REXMITTED_SEQ 0x000200
115 #define FC_FCTL_ABTS_MASK 0x000030
116 #define FC_FCTL_REL_OFFSET 0x000008
117 
118 
119 typedef struct _fc_exchange_t {
120  guint32 first_exchange_frame;
121  guint32 last_exchange_frame;
122  nstime_t fc_time;
123 } fc_exchange_t;
124 
125 /* FC header structure */
126 typedef struct _fc_hdr {
127  address s_id;
128  address d_id;
129  guint32 fctl;
130  guint8 type;
131  guint16 seqcnt;
132  guint16 oxid;
133  guint16 rxid;
134  guint8 r_ctl;
135  guint8 cs_ctl;
136  guint16 lun;
137  fc_exchange_t* fc_ex;
138  guint32 relative_offset;
139 } fc_hdr;
140 
141 #define FC_DATA_SOF_FIRST_FRAME 0x1
142 #define FC_DATA_SOF_SOFF 0x2
143 #define FC_DATA_EOF_LAST_FRAME 0x80
144 #define FC_DATA_EOF_INVALID 0x40
145 
146 /* Data structure to pass into FC dissector */
147 typedef struct _fc_data {
148  guint ethertype;
149  guint8 sof_eof;
155 } fc_data_t;
156 
157 #endif /* __PACKET_FC_H_ */
Definition: nstime.h:27
Definition: packet-fc.h:147
guint8 sof_eof
Definition: packet-fc.h:149
Definition: packet-fc.h:126
Definition: value_string.h:24
Definition: packet-fc.h:119
Definition: address.h:47