2 * Basic Fibre Channel Header definitions
3 * Copyright 2002 Dinesh G Dutt (ddutt@cisco.com)
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #ifndef __PACKET_FC_H_
27 #define __PACKET_FC_H_
29 /* R_CTL upper bits creates a classification tree */
30 #define FC_RCTL_DEV_DATA 0x00
31 #define FC_RCTL_ELS 0x20
32 #define FC_RCTL_LINK_DATA 0x30
33 #define FC_RCTL_VIDEO 0x40
34 #define FC_RCTL_BLS 0x80
35 #define FC_RCTL_LINK_CTL 0xC0
36 /* XXX - is 0xF0 Extended Routing? It is in the FC-FS draft on the T11
39 #define FC_TYPE_CMNSVC 0x0 /* Used in PRLI Svc Param Page */
41 /* TYPE definitions for Basic or Extended Link_Data */
42 #define FC_TYPE_ELS 0x1
44 /* TYPE definitions for FC-4 */
45 #define FC_TYPE_LLCSNAP 0x4
46 #define FC_TYPE_IP 0x5
47 #define FC_TYPE_SCSI 0x8
48 #define FC_TYPE_SB_TO_CU 0x1B
49 #define FC_TYPE_SB_FROM_CU 0x1C
50 #define FC_TYPE_FCCT 0x20
51 #define FC_TYPE_SWILS 0x22
52 #define FC_TYPE_AL 0x23
53 #define FC_TYPE_SNMP 0x24
54 #define FC_TYPE_VENDOR 0xFF
58 * the following allows TAP code access to the messages
59 * without having to duplicate it. With MSVC and a
60 * libethereal.dll, we need a special declaration.
62 ETH_VAR_IMPORT const value_string fc_fc4_val[];
65 #define FC_DFCTL_DH 0x03 /* Device_Header type bits: */
66 #define FC_DFCTL_DH_NONE 0x00 /* No Device_Header */
67 #define FC_DFCTL_DH_16_BYTE 0x01 /* 16 Byte Device_Header */
68 #define FC_DFCTL_DH_32_BYTE 0x02 /* 32 Byte Device_Header */
69 #define FC_DFCTL_DH_64_BYTE 0x03 /* 64 Byte Device_Header */
70 #define FC_DFCTL_AH 0x10 /* Association_Header bit */
71 #define FC_DFCTL_NH 0x20 /* Association_Header bit */
72 #define FC_DFCTL_SH 0x40 /* reserved for security header */
74 /* Derived Frame types (used for ULP demux) */
75 #define FC_FTYPE_UNDEF 0x0
76 #define FC_FTYPE_SWILS 0x1
77 #define FC_FTYPE_IP 0x2
78 #define FC_FTYPE_SCSI 0x3
79 #define FC_FTYPE_BLS 0x4
80 #define FC_FTYPE_ELS 0x5
81 #define FC_FTYPE_FCCT 0x7
82 #define FC_FTYPE_LINKDATA 0x8
83 #define FC_FTYPE_VDO 0x9
84 #define FC_FTYPE_LINKCTL 0xA
85 #define FC_FTYPE_SWILS_RSP 0xB
86 #define FC_FTYPE_SBCCS 0xC
87 #define FC_FTYPE_OHMS 0xD
89 /* Well-known Address Definitions (in Network order) */
90 #define FC_WKA_MULTICAST 0xFFFFF5
91 #define FC_WKA_CLKSYNC 0xFFFFF6
92 #define FC_WKA_KEYDIST 0xFFFFF7
93 #define FC_WKA_ALIAS 0xFFFFF8
94 #define FC_WKA_QOSF 0xFFFFF9
95 #define FC_WKA_MGMT 0xFFFFFA
96 #define FC_WKA_TIME 0xFFFFFB
97 #define FC_WKA_DNS 0xFFFFFC
98 #define FC_WKA_FABRIC_CTRLR 0xFFFFFD
99 #define FC_WKA_FPORT 0xFFFFFE
100 #define FC_WKA_BCAST 0xFFFFFF
102 /* Well-known Address Definitions (in little endian) */
104 /* Information Categories for Link Data & Link Control Frames */
105 #define FC_IU_UNCATEGORIZED 0x0
106 #define FC_IU_SOLICITED_DATA 0x1
107 #define FC_IU_UNSOLICITED_CTL 0x2
108 #define FC_IU_SOLICITED_CTL 0x3
109 #define FC_IU_UNSOLICITED_DATA 0x4
110 #define FC_IU_DATA_DESCRIPTOR 0x5
111 #define FC_IU_UNSOLICITED_CMD 0x6
112 #define FC_IU_CMD_STATUS 0x7
115 #define FC_FCTL_EXCHANGE_RESPONDER 0x800000
116 #define FC_FCTL_SEQ_RECIPIENT 0x400000
117 #define FC_FCTL_EXCHANGE_FIRST 0x200000
118 #define FC_FCTL_EXCHANGE_LAST 0x100000
119 #define FC_FCTL_SEQ_LAST 0x080000
120 #define FC_FCTL_PRIORITY 0x020000
121 #define FC_FCTL_TRANSFER_SEQ_INITIATIVE 0x010000
122 #define FC_FCTL_LAST_DATA_FRAME_MASK 0x00c000
123 #define FC_FCTL_ACK_0_1_MASK 0x003000
124 #define FC_FCTL_REXMITTED_SEQ 0x000200
125 #define FC_FCTL_ABTS_MASK 0x000030
126 #define FC_FCTL_REL_OFFSET 0x000008
128 /* structure and functions to keep track of first/last exchange
129 frames and time deltas
131 typedef struct _fc_exchange_data {
135 guint32 first_exchange_frame;
136 guint32 last_exchange_frame;
140 /* FC header structure */
141 typedef struct _fc_hdr {
151 fc_exchange_data *fced;
154 #endif /* __PACKET_FC_H_ */