epan/dissectors/packet-fc.h

   1 /* packet-fc.h
   2  * Basic Fibre Channel Header definitions
   3  * Copyright 2002 Dinesh G Dutt (ddutt@cisco.com)
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  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.
  15  *
  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.
  20  *
  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #ifndef __PACKET_FC_H_
  27 #define __PACKET_FC_H_
  28
  29 #include "packet-scsi.h"
  30 #include "ws_symbol_export.h"
  31
  32 /* R_CTL upper bits creates a classification tree */
  33 #define FC_RCTL_DEV_DATA       0x00
  34 #define FC_RCTL_ELS            0x20
  35 #define FC_RCTL_LINK_DATA      0x30
  36 #define FC_RCTL_VIDEO          0x40
  37 #define FC_RCTL_BLS            0x80
  38 #define FC_RCTL_LINK_CTL       0xC0
  39 /* XXX - is 0xF0 Extended Routing?  It is in the FC-FS draft on the T11
  40    Web site. */
  41
  42 #define FC_TYPE_CMNSVC         0x0  /* Used in PRLI Svc Param Page */
  43
  44 /* TYPE definitions for Basic or Extended Link_Data */
  45 #define FC_TYPE_BLS            0x0
  46 #define FC_TYPE_ELS            0x1
  47
  48 /* TYPE definitions for FC-4 */
  49 #define FC_TYPE_LLCSNAP        0x4
  50 #define FC_TYPE_IP             0x5
  51 #define FC_TYPE_SCSI           0x8
  52 #define FC_TYPE_SB_TO_CU       0x1B
  53 #define FC_TYPE_SB_FROM_CU     0x1C
  54 #define FC_TYPE_FCCT           0x20
  55 #define FC_TYPE_SWILS          0x22
  56 #define FC_TYPE_AL             0x23
  57 #define FC_TYPE_SNMP           0x24
  58 #define FC_TYPE_VENDOR         0xFF
  59
  60
  61 /*
  62  * the following allows TAP code access to the messages
  63  * without having to duplicate it. With MSVC and a
  64  * libwireshark.dll, we need a special declaration.
  65  */
  66 WS_DLL_PUBLIC const value_string fc_fc4_val[];
  67
  68 /* DF_CTL bits */
  69 #define FC_DFCTL_DH         0x03   /* Device_Header type bits: */
  70 #define FC_DFCTL_DH_NONE    0x00   /* No Device_Header */
  71 #define FC_DFCTL_DH_16_BYTE 0x01   /* 16 Byte Device_Header */
  72 #define FC_DFCTL_DH_32_BYTE 0x02   /* 32 Byte Device_Header */
  73 #define FC_DFCTL_DH_64_BYTE 0x03   /* 64 Byte Device_Header */
  74 #define FC_DFCTL_AH         0x10   /* Association_Header bit */
  75 #define FC_DFCTL_NH         0x20   /* Association_Header bit */
  76 #define FC_DFCTL_SH         0x40   /* reserved for security header */
  77
  78 /* Derived Frame types (used for ULP demux) */
  79 #define FC_FTYPE_UNDEF         0x0
  80 #define FC_FTYPE_SWILS         0x1
  81 #define FC_FTYPE_IP            0x2
  82 #define FC_FTYPE_SCSI          0x3
  83 #define FC_FTYPE_BLS           0x4
  84 #define FC_FTYPE_ELS           0x5
  85 #define FC_FTYPE_FCCT          0x7
  86 #define FC_FTYPE_LINKDATA      0x8
  87 #define FC_FTYPE_VDO           0x9
  88 #define FC_FTYPE_LINKCTL       0xA
  89 #define FC_FTYPE_SWILS_RSP     0xB
  90 #define FC_FTYPE_SBCCS         0xC
  91 #define FC_FTYPE_OHMS          0xD
  92
  93 /* Well-known Address Definitions (in Network order) */
  94 #define FC_WKA_MULTICAST       0xFFFFF5
  95 #define FC_WKA_CLKSYNC         0xFFFFF6
  96 #define FC_WKA_KEYDIST         0xFFFFF7
  97 #define FC_WKA_ALIAS           0xFFFFF8
  98 #define FC_WKA_QOSF            0xFFFFF9
  99 #define FC_WKA_MGMT            0xFFFFFA
 100 #define FC_WKA_TIME            0xFFFFFB
 101 #define FC_WKA_DNS             0xFFFFFC
 102 #define FC_WKA_FABRIC_CTRLR    0xFFFFFD
 103 #define FC_WKA_FPORT           0xFFFFFE
 104 #define FC_WKA_BCAST           0xFFFFFF
 105
 106 /* Well-known Address Definitions (in little endian) */
 107
 108 /* Information Categories for Link Data & Link Control Frames */
 109 #define FC_IU_UNCATEGORIZED     0x0
 110 #define FC_IU_SOLICITED_DATA    0x1
 111 #define FC_IU_UNSOLICITED_CTL   0x2
 112 #define FC_IU_SOLICITED_CTL     0x3
 113 #define FC_IU_UNSOLICITED_DATA  0x4
 114 #define FC_IU_DATA_DESCRIPTOR   0x5
 115 #define FC_IU_UNSOLICITED_CMD   0x6
 116 #define FC_IU_CMD_STATUS        0x7
 117
 118 /* FC_CTL bits */
 119 #define FC_FCTL_EXCHANGE_RESPONDER      0x800000
 120 #define FC_FCTL_SEQ_RECIPIENT           0x400000
 121 #define FC_FCTL_EXCHANGE_FIRST          0x200000
 122 #define FC_FCTL_EXCHANGE_LAST           0x100000
 123 #define FC_FCTL_SEQ_LAST                0x080000
 124 #define FC_FCTL_PRIORITY                0x020000
 125 #define FC_FCTL_TRANSFER_SEQ_INITIATIVE 0x010000
 126 #define FC_FCTL_LAST_DATA_FRAME_MASK    0x00c000
 127 #define FC_FCTL_ACK_0_1_MASK            0x003000
 128 #define FC_FCTL_REXMITTED_SEQ           0x000200
 129 #define FC_FCTL_ABTS_MASK               0x000030
 130 #define FC_FCTL_REL_OFFSET              0x000008
 131
 132
 133
 134 /* FC header structure */
 135 typedef struct _fc_hdr {
 136     address s_id;
 137     address d_id;
 138     guint32 fctl;
 139     guint8 type;
 140     guint16 seqcnt;
 141     guint16 oxid;
 142     guint16 rxid;
 143     guint8 r_ctl;
 144     guint8 cs_ctl;
 145     itlq_nexus_t *itlq;
 146     guint32 relative_offset;
 147 } fc_hdr;
 148
 149 #endif /* __PACKET_FC_H_ */