forked from osmocom/wireshark
159 lines
5.0 KiB
C
159 lines
5.0 KiB
C
/* packet-fc.h
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* Basic Fibre Channel Header definitions
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* Copyright 2002 Dinesh G Dutt (ddutt@cisco.com)
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_FC_H_
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#define __PACKET_FC_H_
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#include <epan/conversation.h>
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#include <epan/etypes.h>
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#include "ws_symbol_export.h"
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/* R_CTL upper bits creates a classification tree */
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#define FC_RCTL_DEV_DATA 0x00
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#define FC_RCTL_ELS 0x20
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#define FC_RCTL_LINK_DATA 0x30
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#define FC_RCTL_VIDEO 0x40
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#define FC_RCTL_BLS 0x80
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#define FC_RCTL_LINK_CTL 0xC0
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/* XXX - is 0xF0 Extended Routing? It is in the FC-FS draft on the T11
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Web site. */
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#define FC_TYPE_CMNSVC 0x0 /* Used in PRLI Svc Param Page */
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/* TYPE definitions for Basic or Extended Link_Data */
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#define FC_TYPE_BLS 0x0
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#define FC_TYPE_ELS 0x1
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/* TYPE definitions for FC-4 */
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#define FC_TYPE_LLCSNAP 0x4
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#define FC_TYPE_IP 0x5
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#define FC_TYPE_SCSI 0x8
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#define FC_TYPE_SB_TO_CU 0x1B
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#define FC_TYPE_SB_FROM_CU 0x1C
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#define FC_TYPE_FCCT 0x20
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#define FC_TYPE_SWILS 0x22
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#define FC_TYPE_AL 0x23
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#define FC_TYPE_SNMP 0x24
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#define FC_TYPE_VENDOR 0xFF
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/*
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* the following allows TAP code access to the messages
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* without having to duplicate it. With MSVC and a
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* libwireshark.dll, we need a special declaration.
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*/
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WS_DLL_PUBLIC const value_string fc_fc4_val[];
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/* DF_CTL bits */
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#define FC_DFCTL_DH 0x03 /* Device_Header type bits: */
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#define FC_DFCTL_DH_NONE 0x00 /* No Device_Header */
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#define FC_DFCTL_DH_16_BYTE 0x01 /* 16 Byte Device_Header */
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#define FC_DFCTL_DH_32_BYTE 0x02 /* 32 Byte Device_Header */
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#define FC_DFCTL_DH_64_BYTE 0x03 /* 64 Byte Device_Header */
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#define FC_DFCTL_AH 0x10 /* Association_Header bit */
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#define FC_DFCTL_NH 0x20 /* Association_Header bit */
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#define FC_DFCTL_SH 0x40 /* reserved for security header */
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/* Derived Frame types (used for ULP demux) */
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#define FC_FTYPE_UNDEF 0x0
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#define FC_FTYPE_SWILS 0x1
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#define FC_FTYPE_IP 0x2
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#define FC_FTYPE_SCSI 0x3
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#define FC_FTYPE_BLS 0x4
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#define FC_FTYPE_ELS 0x5
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#define FC_FTYPE_FCCT 0x7
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#define FC_FTYPE_LINKDATA 0x8
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#define FC_FTYPE_VDO 0x9
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#define FC_FTYPE_LINKCTL 0xA
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#define FC_FTYPE_SWILS_RSP 0xB
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#define FC_FTYPE_SBCCS 0xC
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#define FC_FTYPE_OHMS 0xD
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/* Well-known Address Definitions (in Network order) */
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#define FC_WKA_MULTICAST 0xFFFFF5
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#define FC_WKA_CLKSYNC 0xFFFFF6
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#define FC_WKA_KEYDIST 0xFFFFF7
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#define FC_WKA_ALIAS 0xFFFFF8
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#define FC_WKA_QOSF 0xFFFFF9
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#define FC_WKA_MGMT 0xFFFFFA
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#define FC_WKA_TIME 0xFFFFFB
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#define FC_WKA_DNS 0xFFFFFC
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#define FC_WKA_FABRIC_CTRLR 0xFFFFFD
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#define FC_WKA_FPORT 0xFFFFFE
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#define FC_WKA_BCAST 0xFFFFFF
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/* Well-known Address Definitions (in little endian) */
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/* Information Categories for Link Data & Link Control Frames */
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#define FC_IU_UNCATEGORIZED 0x0
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#define FC_IU_SOLICITED_DATA 0x1
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#define FC_IU_UNSOLICITED_CTL 0x2
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#define FC_IU_SOLICITED_CTL 0x3
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#define FC_IU_UNSOLICITED_DATA 0x4
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#define FC_IU_DATA_DESCRIPTOR 0x5
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#define FC_IU_UNSOLICITED_CMD 0x6
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#define FC_IU_CMD_STATUS 0x7
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/* FC_CTL bits */
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#define FC_FCTL_EXCHANGE_RESPONDER 0x800000
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#define FC_FCTL_SEQ_RECIPIENT 0x400000
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#define FC_FCTL_EXCHANGE_FIRST 0x200000
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#define FC_FCTL_EXCHANGE_LAST 0x100000
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#define FC_FCTL_SEQ_LAST 0x080000
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#define FC_FCTL_PRIORITY 0x020000
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#define FC_FCTL_TRANSFER_SEQ_INITIATIVE 0x010000
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#define FC_FCTL_LAST_DATA_FRAME_MASK 0x00c000
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#define FC_FCTL_ACK_0_1_MASK 0x003000
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#define FC_FCTL_REXMITTED_SEQ 0x000200
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#define FC_FCTL_ABTS_MASK 0x000030
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#define FC_FCTL_REL_OFFSET 0x000008
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typedef struct _fc_exchange_t {
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guint32 first_exchange_frame;
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guint32 last_exchange_frame;
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nstime_t fc_time;
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} fc_exchange_t;
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/* FC header structure */
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typedef struct _fc_hdr {
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address s_id;
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address d_id;
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guint32 fctl;
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guint8 type;
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guint16 seqcnt;
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guint16 oxid;
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guint16 rxid;
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guint8 r_ctl;
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guint8 cs_ctl;
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guint16 lun;
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fc_exchange_t* fc_ex;
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guint32 relative_offset;
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} fc_hdr;
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#define FC_DATA_SOF_FIRST_FRAME 0x1
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#define FC_DATA_SOF_SOFF 0x2
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#define FC_DATA_EOF_LAST_FRAME 0x80
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#define FC_DATA_EOF_INVALID 0x40
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/* Data structure to pass into FC dissector */
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typedef struct _fc_data {
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guint ethertype;
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guint8 sof_eof; /**< FC's SOF/EOF encoding passed to FC decoder
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* Bit 7 set if Last frame in sequence
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* Bit 6 set if invalid frame content
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* Bit 2 set if SOFf
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* Bit 1 set if first frame in sequence
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*/
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} fc_data_t;
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#endif /* __PACKET_FC_H_ */
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