forked from osmocom/wireshark
bd08ae7ee6
svn path=/trunk/; revision=26647
1360 lines
46 KiB
C
1360 lines
46 KiB
C
/* packet-fc-sb3.c
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* Routines for Fibre Channel Single Byte Protocol (SBCCS); used in FICON.
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* This decoder is for FC-SB3 version 1.4
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* Copyright 2003, Dinesh G Dutt <ddutt@cisco.com>
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*
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* $Id$
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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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* Copied from WHATEVER_FILE_YOU_USED (where "WHATEVER_FILE_YOU_USED"
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* is a dissector file; if you just copied this from README.developer,
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* don't bother with the "Copied from" - you don't even need to put
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* in a "Copied from" if you copied an existing dissector, especially
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* if the bulk of the code in the new dissector is your code)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/etypes.h>
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#include "packet-scsi.h"
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#include "packet-fc.h"
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#include "packet-fcsb3.h"
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/* Initialize the protocol and registered fields */
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static int proto_fc_sbccs = -1;
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static int hf_sbccs_chid = -1;
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static int hf_sbccs_cuid = -1;
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static int hf_sbccs_devaddr = -1;
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static int hf_sbccs_ccw = -1;
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static int hf_sbccs_token = -1;
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static int hf_sbccs_dib_iucnt = -1;
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static int hf_sbccs_dib_datacnt = -1;
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static int hf_sbccs_dib_ccw_cmd = -1;
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static int hf_sbccs_dib_ccw_cnt = -1;
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static int hf_sbccs_dib_residualcnt = -1;
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static int hf_sbccs_dib_qtuf = -1;
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static int hf_sbccs_dib_qtu = -1;
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static int hf_sbccs_dib_dtuf = -1;
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static int hf_sbccs_dib_dtu = -1;
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static int hf_sbccs_dib_ctlfn = -1;
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static int hf_sbccs_lrc = -1;
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static int hf_sbccs_dib_iupacing = -1;
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static int hf_sbccs_dev_xcp_code = -1;
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static int hf_sbccs_prg_pth_errcode = -1;
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static int hf_sbccs_prg_rsp_errcode = -1;
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static int hf_sbccs_dib_ctccntr = -1;
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static int hf_sbccs_dib_lprcode = -1;
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static int hf_sbccs_dib_tin_imgid_cnt = -1;
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static int hf_sbccs_dib_lrjcode = -1;
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static int hf_sbccs_dib_ioprio = -1;
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static int hf_sbccs_dib_linkctlfn = -1;
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static int hf_sbccs_iui = -1;
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static int hf_sbccs_iui_as = -1;
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static int hf_sbccs_iui_es = -1;
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static int hf_sbccs_iui_val = -1;
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static int hf_sbccs_dhflags = -1;
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static int hf_sbccs_dhflags_end = -1;
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static int hf_sbccs_dhflags_chaining = -1;
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static int hf_sbccs_dhflags_earlyend = -1;
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static int hf_sbccs_dhflags_nocrc = -1;
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static int hf_sbccs_dib_ccw_flags = -1;
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static int hf_sbccs_dib_ccw_flags_cd = -1;
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static int hf_sbccs_dib_ccw_flags_cc = -1;
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static int hf_sbccs_dib_ccw_flags_sli = -1;
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static int hf_sbccs_dib_ccw_flags_crr = -1;
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static int hf_sbccs_dib_cmdflags = -1;
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static int hf_sbccs_dib_cmdflags_du = -1;
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static int hf_sbccs_dib_cmdflags_coc = -1;
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static int hf_sbccs_dib_cmdflags_syr = -1;
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static int hf_sbccs_dib_cmdflags_rex = -1;
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static int hf_sbccs_dib_cmdflags_sss = -1;
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static int hf_sbccs_dib_statusflags = -1;
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static int hf_sbccs_dib_statusflags_ffc = -1;
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static int hf_sbccs_dib_statusflags_ci = -1;
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static int hf_sbccs_dib_statusflags_cr = -1;
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static int hf_sbccs_dib_statusflags_lri = -1;
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static int hf_sbccs_dib_statusflags_rv = -1;
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static int hf_sbccs_dib_status = -1;
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static int hf_sbccs_dib_status_attention = -1;
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static int hf_sbccs_dib_status_modifier = -1;
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static int hf_sbccs_dib_status_cue = -1;
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static int hf_sbccs_dib_status_busy = -1;
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static int hf_sbccs_dib_status_channelend = -1;
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static int hf_sbccs_dib_status_deviceend = -1;
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static int hf_sbccs_dib_status_unit_check = -1;
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static int hf_sbccs_dib_status_unit_exception = -1;
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static int hf_sbccs_dib_ctlparam = -1;
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static int hf_sbccs_dib_ctlparam_rc = -1;
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static int hf_sbccs_dib_ctlparam_ru = -1;
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static int hf_sbccs_dib_ctlparam_ro = -1;
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static int hf_sbccs_dib_linkctlinfo = -1;
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static int hf_sbccs_dib_linkctlinfo_ctcconn = -1;
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static int hf_sbccs_dib_linkctlinfo_ecrcg = -1;
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/* Initialize the subtree pointers */
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static gint ett_fc_sbccs = -1;
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static gint ett_sbccs_iui = -1;
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static gint ett_sbccs_dhflags = -1;
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static gint ett_sbccs_dib_ccw_flags = -1;
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static gint ett_sbccs_dib_cmdflags = -1;
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static gint ett_sbccs_dib_statusflags = -1;
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static gint ett_sbccs_dib_status = -1;
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static gint ett_sbccs_dib_ctlparam = -1;
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static gint ett_sbccs_dib_linkctlinfo = -1;
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static dissector_handle_t data_handle;
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typedef struct {
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guint32 conv_id;
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guint32 task_id;
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} sb3_task_id_t;
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static const value_string fc_sbccs_iu_val[] = {
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{FC_SBCCS_IU_DATA, "Data"},
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{FC_SBCCS_IU_CMD_HDR, "Command Header"},
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{FC_SBCCS_IU_STATUS, "Status"},
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{FC_SBCCS_IU_CTL, "Control"},
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{FC_SBCCS_IU_CMD_DATA, "Command Header & Data"},
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{FC_SBCCS_IU_CMD_LINK_CTL, "Link Control"},
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{0x6, "Reserved"},
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{0x7, "Reserved"},
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{0x0, NULL},
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};
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static const value_string fc_sbccs_dib_cmd_val[] = {
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{0, "Reserved"},
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{1, "Write"},
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{2, "Read"},
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{3, "Control"},
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{4, "Sense"},
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{5, "Write (Modifier)"},
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{6, "Read (Modifier)"},
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{7, "Control (Modifier)"},
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{8, "Reserved"},
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{9, "Write (Modifier)"},
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{10, "Read (Modifier)"},
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{11, "Control (Modifier)"},
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{12, "Read Backward"},
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{13, "Write (Modifier)"},
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{14, "Read (Modifier)"},
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{15, "Control (Modifier)"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_ctl_fn_val[] = {
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{FC_SBCCS_CTL_FN_CTL_END, "Control End"},
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{FC_SBCCS_CTL_FN_CMD_RSP, "Command Response"},
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{FC_SBCCS_CTL_FN_STK_STS, "Stack Status"},
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{FC_SBCCS_CTL_FN_CANCEL, "Cancel"},
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{FC_SBCCS_CTL_FN_SYS_RST, "System Reset"},
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{FC_SBCCS_CTL_FN_SEL_RST, "Selective Reset"},
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{FC_SBCCS_CTL_FN_REQ_STS, "Request Status"},
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{FC_SBCCS_CTL_FN_DEV_XCP, "Device Level Exception"},
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{FC_SBCCS_CTL_FN_STS_ACC, "Status Accepted"},
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{FC_SBCCS_CTL_FN_DEV_ACK, "Device-Level Ack"},
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{FC_SBCCS_CTL_FN_PRG_PTH, "Purge Path"},
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{FC_SBCCS_CTL_FN_PRG_RSP, "Purge Path Response"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_dev_xcpcode_val[] = {
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{1, "Address Exception"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_purge_path_err_val[] = {
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{0, "Error Code Xfer Not Supported"},
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{1, "SB-3 Protocol Timeout"},
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{2, "SB-3 Link Failure"},
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{3, "Reserved"},
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{4, "SB-3 Offline Condition"},
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{5, "FC-PH Link Failure"},
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{6, "SB-3 Length Error"},
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{7, "LRC Error"},
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{8, "SB-3 CRC Error"},
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{9, "IU Count Error"},
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{10, "SB-3 Link Level Protocol Error"},
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{11, "SB-3 Device Level Protocol Error"},
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{12, "Receive ABTS"},
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{13, "Cancel Function Timeout"},
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{14, "Abnormal Termination of Xchg"},
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{15, "Reserved"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_purge_path_rsp_err_val[] = {
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{0, "No Errors"},
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{1, "SB-3 Protocol Timeout"},
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{2, "SB-3 Link Failure"},
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{3, "Logical Path Timeout Error"},
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{4, "SB-3 Offline Condition"},
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{5, "FC-PH Link Failure"},
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{6, "SB-3 Length Error"},
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{7, "LRC Error"},
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{8, "SB-3 CRC Error"},
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{9, "IU Count Error"},
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{10, "SB-3 Link Level Protocol Error"},
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{11, "SB-3 Device Level Protocol Error"},
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{12, "Receive ABTS"},
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{13, "Reserved"},
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{14, "Abnormal Termination of Xchg"},
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{15, "Logical Path Not Estd"},
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{16, "Test Init Result Error"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_link_ctl_fn_val[] = {
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{FC_SBCCS_LINK_CTL_FN_ELP, "ELP"},
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{FC_SBCCS_LINK_CTL_FN_RLP, "RLP"},
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{FC_SBCCS_LINK_CTL_FN_TIN, "TIN"},
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{FC_SBCCS_LINK_CTL_FN_LPE, "LPE"},
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{FC_SBCCS_LINK_CTL_FN_LPR, "LPR"},
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{FC_SBCCS_LINK_CTL_FN_TIR, "TIR"},
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{FC_SBCCS_LINK_CTL_FN_LRJ, "LRJ"},
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{FC_SBCCS_LINK_CTL_FN_LBY, "LBY"},
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{FC_SBCCS_LINK_CTL_FN_LACK, "LACK"},
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{0, NULL},
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};
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static const value_string fc_sbccs_dib_lpr_errcode_val[] = {
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{0x0, "Response to RLP"},
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{0x1, "Optional Features Conflict"},
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{0x2, "Out of Resources"},
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{0x3, "Device Init In Progress"},
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{0x4, "No CU Image"},
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{0x0, NULL},
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};
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static const value_string fc_sbccs_dib_lrj_errcode_val[] = {
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{0x6, "Logical Path Not Estd"},
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{0x9, "Protocol Error"},
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{0x0, NULL},
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};
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static const true_false_string tfs_sbccs_iui_as = {
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"AS is set",
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"as is NOT set"
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};
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static const true_false_string tfs_sbccs_iui_es = {
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"ES is set",
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"es is NOT set"
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};
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static void
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dissect_iui_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint16 flags)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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if(parent_tree){
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item=proto_tree_add_uint(parent_tree, hf_sbccs_iui,
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tvb, offset, 1, flags);
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tree=proto_item_add_subtree(item, ett_sbccs_iui);
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}
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proto_tree_add_boolean(tree, hf_sbccs_iui_as, tvb, offset, 1, flags);
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if (flags&0x10){
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proto_item_append_text(item, " AS");
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}
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flags&=(~( 0x10 ));
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proto_tree_add_boolean(tree, hf_sbccs_iui_es, tvb, offset, 1, flags);
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if (flags&0x08){
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proto_item_append_text(item, " ES");
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}
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flags&=(~( 0x08 ));
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proto_tree_add_item (tree, hf_sbccs_iui_val, tvb, offset, 1, 0);
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proto_item_append_text(item, "%s", val_to_str (flags & 0x7, fc_sbccs_iu_val, "0x%x"));
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flags&=(~( 0x07 ));
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}
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static const true_false_string tfs_sbccs_linkctlinfo_ctcconn = {
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"CTC Conn supported",
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"Ctc conn NOT supported"
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};
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static const true_false_string tfs_sbccs_linkctlinfo_ecrcg = {
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"Enhanced CRC Generation supported",
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"Enhanced crc generation NOT supported"
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};
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static void
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dissect_linkctlinfo (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint16 flags)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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if(parent_tree){
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item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_linkctlinfo,
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tvb, offset, 2, flags);
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tree=proto_item_add_subtree(item, ett_sbccs_dib_linkctlinfo);
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}
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proto_tree_add_boolean(tree, hf_sbccs_dib_linkctlinfo_ctcconn, tvb, offset, 2, flags);
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if (flags&0x80){
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proto_item_append_text(item, " CTC Conn");
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}
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flags&=(~( 0x80 ));
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proto_tree_add_boolean(tree, hf_sbccs_dib_linkctlinfo_ecrcg, tvb, offset, 2, flags);
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if (flags&0x01){
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proto_item_append_text(item, " Enhanced CRC Gen");
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}
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flags&=(~( 0x01 ));
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}
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static const true_false_string tfs_sbccs_dhflags_end = {
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"END bit is set",
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"end bit is NOT set"
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};
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static const true_false_string tfs_sbccs_dhflags_chaining = {
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"CHAINING bit is set",
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"chaining bit is NOT set"
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};
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static const true_false_string tfs_sbccs_dhflags_earlyend = {
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"EARLYEND bit is set",
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"earlyend bit is NOT set"
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};
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static const true_false_string tfs_sbccs_dhflags_nocrc = {
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"NOCRC bit is set",
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"nocrc bit is NOT set"
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};
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static void
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dissect_dh_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint16 flags)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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if(parent_tree){
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item=proto_tree_add_uint(parent_tree, hf_sbccs_dhflags,
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tvb, offset, 1, flags);
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tree=proto_item_add_subtree(item, ett_sbccs_dhflags);
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}
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proto_tree_add_boolean(tree, hf_sbccs_dhflags_end, tvb, offset, 1, flags);
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if (flags&0x80){
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proto_item_append_text(item, " End");
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}
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flags&=(~( 0x80 ));
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proto_tree_add_boolean(tree, hf_sbccs_dhflags_chaining, tvb, offset, 1, flags);
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if (flags&0x10){
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proto_item_append_text(item, " Chaining");
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}
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flags&=(~( 0x10 ));
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proto_tree_add_boolean(tree, hf_sbccs_dhflags_earlyend, tvb, offset, 1, flags);
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if (flags&0x08){
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proto_item_append_text(item, " Early End");
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}
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flags&=(~( 0x08 ));
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proto_tree_add_boolean(tree, hf_sbccs_dhflags_nocrc, tvb, offset, 1, flags);
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if (flags&0x04){
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proto_item_append_text(item, " No CRC");
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}
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flags&=(~( 0x04 ));
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}
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static const true_false_string tfs_sbccs_ccwflags_cd = {
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"CD is set",
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"cd is NOT set"
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};
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static const true_false_string tfs_sbccs_ccwflags_cc = {
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"CC is set",
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"cc is NOT set"
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};
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static const true_false_string tfs_sbccs_ccwflags_sli = {
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"SLI is set",
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"sli is NOT set"
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};
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static const true_false_string tfs_sbccs_ccwflags_crr = {
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"CRR is set",
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"crr is NOT set"
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};
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static void
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dissect_ccw_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 flags)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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if(parent_tree){
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item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_ccw_flags,
|
|
tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_sbccs_dib_ccw_flags);
|
|
}
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ccw_flags_cd, tvb, offset, 1, flags);
|
|
if (flags&0x80){
|
|
proto_item_append_text(item, " CD");
|
|
}
|
|
flags&=(~( 0x80 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ccw_flags_cc, tvb, offset, 1, flags);
|
|
if (flags&0x40){
|
|
proto_item_append_text(item, " CC");
|
|
}
|
|
flags&=(~( 0x40 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ccw_flags_sli, tvb, offset, 1, flags);
|
|
if (flags&0x20){
|
|
proto_item_append_text(item, " SLI");
|
|
}
|
|
flags&=(~( 0x20 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ccw_flags_crr, tvb, offset, 1, flags);
|
|
if (flags&0x08){
|
|
proto_item_append_text(item, " CRR");
|
|
}
|
|
flags&=(~( 0x08 ));
|
|
}
|
|
|
|
static const true_false_string tfs_sbccs_cmdflags_du = {
|
|
"DU is set",
|
|
"du is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_cmdflags_coc = {
|
|
"COC is set",
|
|
"coc is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_cmdflags_syr = {
|
|
"SYR is set",
|
|
"syr is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_cmdflags_rex = {
|
|
"REX is set",
|
|
"rex is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_cmdflags_sss = {
|
|
"SSS is set",
|
|
"sss is NOT set"
|
|
};
|
|
|
|
static void
|
|
dissect_cmd_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 flags)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_cmdflags,
|
|
tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_sbccs_dib_cmdflags);
|
|
}
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_cmdflags_du, tvb, offset, 1, flags);
|
|
if (flags&0x10){
|
|
proto_item_append_text(item, " DU");
|
|
}
|
|
flags&=(~( 0x10 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_cmdflags_coc, tvb, offset, 1, flags);
|
|
if (flags&0x08){
|
|
proto_item_append_text(item, " COC");
|
|
}
|
|
flags&=(~( 0x08 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_cmdflags_syr, tvb, offset, 1, flags);
|
|
if (flags&0x04){
|
|
proto_item_append_text(item, " SYR");
|
|
}
|
|
flags&=(~( 0x04 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_cmdflags_rex, tvb, offset, 1, flags);
|
|
if (flags&0x02){
|
|
proto_item_append_text(item, " REX");
|
|
}
|
|
flags&=(~( 0x02 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_cmdflags_sss, tvb, offset, 1, flags);
|
|
if (flags&0x01){
|
|
proto_item_append_text(item, " SSS");
|
|
}
|
|
flags&=(~( 0x01 ));
|
|
}
|
|
|
|
static const value_string status_ffc_val[] = {
|
|
{ 0, "" },
|
|
{ 1, "FFC:Queuing Information Valid" },
|
|
{ 2, "FFC:Resetting Event" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_sbccs_statusflags_ci = {
|
|
"CI is set",
|
|
"ci is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_statusflags_cr = {
|
|
"CR is set",
|
|
"cr is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_statusflags_lri = {
|
|
"LRI is set",
|
|
"lri is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_statusflags_rv = {
|
|
"RV is set",
|
|
"rv is NOT set"
|
|
};
|
|
|
|
static void
|
|
dissect_status_flags (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 flags)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_statusflags,
|
|
tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_sbccs_dib_statusflags);
|
|
}
|
|
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_statusflags_ffc, tvb, offset, 1, 0);
|
|
proto_item_append_text(item, "%s", val_to_str ((flags>>5)&0x07, status_ffc_val, "Reserved:0x%x"));
|
|
flags&=(~( 0xE0 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_statusflags_ci, tvb, offset, 1, flags);
|
|
if (flags&0x10){
|
|
proto_item_append_text(item, " CI");
|
|
}
|
|
flags&=(~( 0x10 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_statusflags_cr, tvb, offset, 1, flags);
|
|
if (flags&0x04){
|
|
proto_item_append_text(item, " CR");
|
|
}
|
|
flags&=(~( 0x04 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_statusflags_lri, tvb, offset, 1, flags);
|
|
if (flags&0x02){
|
|
proto_item_append_text(item, " LRI");
|
|
}
|
|
flags&=(~( 0x02 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_statusflags_rv, tvb, offset, 1, flags);
|
|
if (flags&0x01){
|
|
proto_item_append_text(item, " RV");
|
|
}
|
|
flags&=(~( 0x01 ));
|
|
|
|
}
|
|
|
|
static const true_false_string tfs_sbccs_status_attention = {
|
|
"ATTENTION is set",
|
|
"attention is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_modifier = {
|
|
"STATUS MODIFIER is set",
|
|
"status modifier is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_cue = {
|
|
"CONTROL-UNIT END is set",
|
|
"control-unit end is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_busy = {
|
|
"BUSY is set",
|
|
"busy is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_channelend = {
|
|
"CHANNEL-END is set",
|
|
"channel-end is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_deviceend = {
|
|
"DEVICE-END is set",
|
|
"device-end is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_unitcheck = {
|
|
"UNIT CHECK is set",
|
|
"unit check is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_status_unitexception = {
|
|
"UNIT EXCEPTION is set",
|
|
"unit exception is NOT set"
|
|
};
|
|
|
|
static void
|
|
dissect_status (packet_info *pinfo, proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 flags)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_status,
|
|
tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_sbccs_dib_status);
|
|
}
|
|
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_attention, tvb, offset, 1, flags);
|
|
if (flags&0x80){
|
|
proto_item_append_text(item, " Attention");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Attention");
|
|
}
|
|
}
|
|
flags&=(~( 0x80 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_modifier, tvb, offset, 1, flags);
|
|
if (flags&0x40){
|
|
proto_item_append_text(item, " Status Modifier");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Status Modifier");
|
|
}
|
|
}
|
|
flags&=(~( 0x40 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_cue, tvb, offset, 1, flags);
|
|
if (flags&0x20){
|
|
proto_item_append_text(item, " Control-Unit End");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Control-Unit End");
|
|
}
|
|
}
|
|
flags&=(~( 0x20 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_busy, tvb, offset, 1, flags);
|
|
if (flags&0x10){
|
|
proto_item_append_text(item, " Busy");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Busy");
|
|
}
|
|
}
|
|
flags&=(~( 0x10 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_channelend, tvb, offset, 1, flags);
|
|
if (flags&0x08){
|
|
proto_item_append_text(item, " Channel End");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Channel End");
|
|
}
|
|
}
|
|
flags&=(~( 0x08 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_deviceend, tvb, offset, 1, flags);
|
|
if (flags&0x04){
|
|
proto_item_append_text(item, " Device End");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Device End");
|
|
}
|
|
}
|
|
flags&=(~( 0x04 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_unit_check, tvb, offset, 1, flags);
|
|
if (flags&0x02){
|
|
proto_item_append_text(item, " Unit Check");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Unit Check");
|
|
}
|
|
}
|
|
flags&=(~( 0x02 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_status_unit_exception, tvb, offset, 1, flags);
|
|
if (flags&0x01){
|
|
proto_item_append_text(item, " Unit Exception");
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Unit Exception");
|
|
}
|
|
}
|
|
flags&=(~( 0x01 ));
|
|
|
|
}
|
|
|
|
static const true_false_string tfs_sbccs_ctlparam_rc = {
|
|
"RC is SET",
|
|
"rc is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_ctlparam_ru = {
|
|
"RU is SET",
|
|
"ru is NOT set"
|
|
};
|
|
static const true_false_string tfs_sbccs_ctlparam_ro = {
|
|
"RO is SET",
|
|
"ro is NOT set"
|
|
};
|
|
|
|
static void
|
|
dissect_sel_rst_param (proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint32 flags)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_sbccs_dib_ctlparam,
|
|
tvb, offset, 3, flags);
|
|
tree=proto_item_add_subtree(item, ett_sbccs_dib_ctlparam);
|
|
}
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ctlparam_rc, tvb, offset, 3, flags);
|
|
if (flags&0x80){
|
|
proto_item_append_text(item, " RC");
|
|
}
|
|
flags&=(~( 0x80 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ctlparam_ru, tvb, offset, 3, flags);
|
|
if (flags&0x10){
|
|
proto_item_append_text(item, " RU");
|
|
}
|
|
flags&=(~( 0x10 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_sbccs_dib_ctlparam_ro, tvb, offset, 3, flags);
|
|
if (flags&0x08){
|
|
proto_item_append_text(item, " RO");
|
|
}
|
|
flags&=(~( 0x08 ));
|
|
}
|
|
|
|
static void get_fc_sbccs_conv_data (tvbuff_t *tvb, guint offset,
|
|
guint16 *ch_cu_id, guint16 *dev_addr,
|
|
guint16 *ccw)
|
|
{
|
|
*ch_cu_id = *dev_addr = *ccw = 0;
|
|
|
|
*ch_cu_id = (tvb_get_guint8 (tvb, offset+1)) << 8;
|
|
*ch_cu_id |= tvb_get_guint8 (tvb, offset+3);
|
|
*dev_addr = tvb_get_ntohs (tvb, offset+4);
|
|
*ccw = tvb_get_ntohs (tvb, offset+10);
|
|
}
|
|
|
|
/* Decode both the SB-3 and basic IU header */
|
|
static void
|
|
dissect_fc_sbccs_sb3_iu_hdr (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint offset)
|
|
{
|
|
proto_item *subti;
|
|
proto_tree *sb3hdr_tree;
|
|
proto_tree *iuhdr_tree;
|
|
guint8 iui, dhflags;
|
|
guint type;
|
|
|
|
/* Decode the basic SB3 and IU header and determine type of frame */
|
|
type = get_fc_sbccs_iu_type (tvb, offset);
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_add_str (pinfo->cinfo, COL_INFO, val_to_str (type, fc_sbccs_iu_val,
|
|
"0x%x"));
|
|
}
|
|
|
|
if (tree) {
|
|
/* Dissect SB3 header first */
|
|
subti = proto_tree_add_text (tree, tvb, offset, FC_SBCCS_SB3_HDR_SIZE,
|
|
"SB-3 Header");
|
|
sb3hdr_tree = proto_item_add_subtree (subti, ett_fc_sbccs);
|
|
|
|
proto_tree_add_item (sb3hdr_tree, hf_sbccs_chid, tvb, offset+1, 1, 0);
|
|
proto_tree_add_item (sb3hdr_tree, hf_sbccs_cuid, tvb, offset+3, 1, 0);
|
|
proto_tree_add_item (sb3hdr_tree, hf_sbccs_devaddr, tvb, offset+4, 2, 0);
|
|
|
|
/* Dissect IU Header */
|
|
subti = proto_tree_add_text (tree, tvb, offset + FC_SBCCS_SB3_HDR_SIZE,
|
|
FC_SBCCS_IU_HDR_SIZE, "IU Header");
|
|
iuhdr_tree = proto_item_add_subtree (subti, ett_fc_sbccs);
|
|
offset += FC_SBCCS_SB3_HDR_SIZE;
|
|
|
|
iui = tvb_get_guint8 (tvb, offset);
|
|
dissect_iui_flags(iuhdr_tree, tvb, offset, iui);
|
|
|
|
dhflags = tvb_get_guint8 (tvb, offset+1);
|
|
dissect_dh_flags(iuhdr_tree, tvb, offset+1, dhflags);
|
|
|
|
proto_tree_add_item (iuhdr_tree, hf_sbccs_ccw, tvb, offset+2, 2, 0);
|
|
proto_tree_add_item (iuhdr_tree, hf_sbccs_token, tvb, offset+5, 3, 0);
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs_dib_data_hdr (tvbuff_t *tvb,
|
|
packet_info *pinfo _U_,
|
|
proto_tree *tree, guint offset)
|
|
{
|
|
if (tree) {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iucnt, tvb, offset+9, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_datacnt, tvb, offset+10, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_lrc, tvb, offset+12, 4, 0);
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs_dib_cmd_hdr (tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, guint offset)
|
|
{
|
|
guint8 flags;
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_append_fstr (pinfo->cinfo, COL_INFO,
|
|
": %s", val_to_str (tvb_get_guint8 (tvb, offset),
|
|
fc_sbccs_dib_cmd_val,
|
|
"0x%x"));
|
|
}
|
|
|
|
if (tree) {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ccw_cmd, tvb, offset, 1, 0);
|
|
|
|
flags = tvb_get_guint8 (tvb, offset+1);
|
|
dissect_ccw_flags(tree, tvb, offset+1, flags);
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ccw_cnt, tvb, offset+2, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ioprio, tvb, offset+5, 1, 0);
|
|
|
|
flags = tvb_get_guint8 (tvb, offset+7);
|
|
dissect_cmd_flags(tree, tvb, offset+7, flags);
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iucnt, tvb, offset+9, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_datacnt, tvb, offset+10, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_lrc, tvb, offset+12, 4, 0);
|
|
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs_dib_status_hdr (tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, guint offset)
|
|
{
|
|
guint8 flags;
|
|
gboolean rv_valid, qparam_valid;
|
|
tvbuff_t *next_tvb;
|
|
guint16 supp_status_cnt = 0;
|
|
|
|
if (tree) {
|
|
flags = tvb_get_guint8 (tvb, offset);
|
|
rv_valid = flags & 0x1; /* if residual count is valid */
|
|
qparam_valid = (((flags & 0xE0) >> 5) == 0x1); /* From the FFC field */
|
|
dissect_status_flags(tree, tvb, offset, flags);
|
|
|
|
flags = tvb_get_guint8 (tvb, offset+1);
|
|
dissect_status(pinfo, tree, tvb, offset+1, flags);
|
|
|
|
if (rv_valid) {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_residualcnt, tvb, offset+2,
|
|
2, 0);
|
|
}
|
|
else {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iupacing, tvb, offset+3,
|
|
1, 0);
|
|
}
|
|
|
|
if (qparam_valid) {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_qtuf, tvb, offset+4, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_qtu, tvb, offset+4, 2, 0);
|
|
}
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_dtuf, tvb, offset+6, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_dtu, tvb, offset+6, 2, 0);
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iucnt, tvb, offset+9, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_datacnt, tvb, offset+10, 2, 0);
|
|
supp_status_cnt = tvb_get_ntohs (tvb, offset+10);
|
|
proto_tree_add_item (tree, hf_sbccs_lrc, tvb, offset+12, 4, 0);
|
|
|
|
if (supp_status_cnt) {
|
|
next_tvb = tvb_new_subset (tvb, offset+FC_SBCCS_DIB_LRC_HDR_SIZE,
|
|
-1, -1);
|
|
call_dissector (data_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs_dib_ctl_hdr (tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, guint offset)
|
|
{
|
|
guint8 ctlfn;
|
|
|
|
ctlfn = tvb_get_guint8 (tvb, offset);
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_append_fstr (pinfo->cinfo, COL_INFO,
|
|
": %s",
|
|
val_to_str (ctlfn,
|
|
fc_sbccs_dib_ctl_fn_val,
|
|
"0x%x"));
|
|
}
|
|
if (tree) {
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ctlfn, tvb, offset, 1, 0);
|
|
|
|
/* Control Function Parameter is to be interpreted in some cases */
|
|
switch (ctlfn) {
|
|
case FC_SBCCS_CTL_FN_SEL_RST:
|
|
dissect_sel_rst_param(tree, tvb, offset+1, tvb_get_ntoh24 (tvb, offset+1));
|
|
break;
|
|
case FC_SBCCS_CTL_FN_DEV_XCP:
|
|
proto_tree_add_item (tree, hf_sbccs_dev_xcp_code, tvb, offset+1,
|
|
1, 0);
|
|
break;
|
|
case FC_SBCCS_CTL_FN_PRG_PTH:
|
|
proto_tree_add_item (tree, hf_sbccs_prg_pth_errcode, tvb, offset+1,
|
|
1, 0);
|
|
break;
|
|
default:
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ctlparam, tvb, offset+1,
|
|
3, 0);
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iucnt, tvb, offset+9, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_datacnt, tvb, offset+10, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_lrc, tvb, offset+12, 4, 0);
|
|
|
|
if (ctlfn == FC_SBCCS_CTL_FN_PRG_RSP) {
|
|
/* Need to decode the LESBs */
|
|
proto_tree_add_item (tree, hf_sbccs_prg_rsp_errcode, tvb, offset+60,
|
|
1, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs_dib_link_hdr (tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, guint offset)
|
|
{
|
|
guint8 link_ctl;
|
|
guint16 ctl_info;
|
|
guint link_payload_len, i;
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_append_fstr (pinfo->cinfo, COL_INFO,
|
|
": %s",
|
|
val_to_str (tvb_get_guint8 (tvb, offset+1),
|
|
fc_sbccs_dib_link_ctl_fn_val,
|
|
"0x%x"));
|
|
}
|
|
|
|
if (tree) {
|
|
link_ctl = tvb_get_guint8 (tvb, offset+1);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_linkctlfn, tvb, offset+1, 1, 0);
|
|
|
|
ctl_info = tvb_get_ntohs (tvb, offset+2);
|
|
switch (link_ctl) {
|
|
case FC_SBCCS_LINK_CTL_FN_ELP:
|
|
case FC_SBCCS_LINK_CTL_FN_LPE:
|
|
dissect_linkctlinfo(tree, tvb, offset+2, ctl_info);
|
|
break;
|
|
case FC_SBCCS_LINK_CTL_FN_LPR:
|
|
proto_tree_add_item (tree, hf_sbccs_dib_lprcode, tvb, offset+2, 1,
|
|
0);
|
|
break;
|
|
case FC_SBCCS_LINK_CTL_FN_TIN:
|
|
proto_tree_add_item (tree, hf_sbccs_dib_tin_imgid_cnt, tvb,
|
|
offset+3, 1, 0);
|
|
break;
|
|
case FC_SBCCS_LINK_CTL_FN_TIR:
|
|
proto_tree_add_item (tree, hf_sbccs_dib_tin_imgid_cnt, tvb,
|
|
offset+3, 1, 0);
|
|
break;
|
|
case FC_SBCCS_LINK_CTL_FN_LRJ:
|
|
proto_tree_add_item (tree, hf_sbccs_dib_lrjcode, tvb, offset+2,
|
|
1, 0);
|
|
break;
|
|
default:
|
|
/* Do Nothing */
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_item (tree, hf_sbccs_dib_ctccntr, tvb, offset+4, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_iucnt, tvb, offset+9, 1, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_dib_datacnt, tvb, offset+10, 2, 0);
|
|
proto_tree_add_item (tree, hf_sbccs_lrc, tvb, offset+12, 4, 0);
|
|
|
|
if (link_ctl == FC_SBCCS_LINK_CTL_FN_TIR) {
|
|
link_payload_len = tvb_get_ntohs (tvb, offset+10);
|
|
i = 0;
|
|
offset += 16;
|
|
|
|
while (i < link_payload_len) {
|
|
proto_tree_add_text (tree, tvb, offset, 4,
|
|
"Logical Paths %d-%d: %s",
|
|
i*8, ((i+4)*8) - 1,
|
|
tvb_bytes_to_str_punct (tvb, offset, 4, ':'));
|
|
i += 4;
|
|
offset += 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_fc_sbccs (tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 type;
|
|
guint16 ch_cu_id, dev_addr, ccw;
|
|
guint offset = 0;
|
|
proto_item *ti;
|
|
proto_tree *sb3_tree = NULL,
|
|
*dib_tree = NULL;
|
|
tvbuff_t *next_tvb;
|
|
conversation_t *conversation;
|
|
sb3_task_id_t task_key;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FC-SB3");
|
|
|
|
/* Decode the basic SB3 and IU header and determine type of frame */
|
|
type = get_fc_sbccs_iu_type (tvb, offset);
|
|
get_fc_sbccs_conv_data (tvb, offset, &ch_cu_id, &dev_addr, &ccw);
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_add_str (pinfo->cinfo, COL_INFO, val_to_str (type, fc_sbccs_iu_val,
|
|
"0x%x"));
|
|
}
|
|
|
|
/* Retrieve conversation state to determine expected payload */
|
|
conversation = find_conversation (pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
PT_SBCCS, ch_cu_id, dev_addr, 0);
|
|
|
|
if (conversation) {
|
|
task_key.conv_id = conversation->index;
|
|
task_key.task_id = ccw;
|
|
pinfo->private_data = (void *)&task_key;
|
|
|
|
}
|
|
else if ((type == FC_SBCCS_IU_CMD_HDR) ||
|
|
(type != FC_SBCCS_IU_CMD_DATA)) {
|
|
conversation = conversation_new (pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
PT_SBCCS, ch_cu_id, dev_addr, 0);
|
|
task_key.conv_id = conversation->index;
|
|
task_key.task_id = ccw;
|
|
pinfo->private_data = (void *)&task_key;
|
|
}
|
|
else {
|
|
pinfo->private_data = NULL;
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format (tree, proto_fc_sbccs, tvb, 0, -1,
|
|
"FC-SB3");
|
|
sb3_tree = proto_item_add_subtree (ti, ett_fc_sbccs);
|
|
|
|
dissect_fc_sbccs_sb3_iu_hdr (tvb, pinfo, sb3_tree, offset);
|
|
offset += (FC_SBCCS_SB3_HDR_SIZE + FC_SBCCS_IU_HDR_SIZE);
|
|
|
|
ti = proto_tree_add_text (sb3_tree, tvb, offset,
|
|
FC_SBCCS_DIB_LRC_HDR_SIZE, "DIB Header");
|
|
dib_tree = proto_item_add_subtree (ti, ett_fc_sbccs);
|
|
}
|
|
else {
|
|
offset += (FC_SBCCS_SB3_HDR_SIZE + FC_SBCCS_IU_HDR_SIZE);
|
|
}
|
|
|
|
switch (type) {
|
|
case FC_SBCCS_IU_DATA:
|
|
dissect_fc_sbccs_dib_data_hdr (tvb, pinfo, dib_tree, offset);
|
|
break;
|
|
case FC_SBCCS_IU_CMD_HDR:
|
|
case FC_SBCCS_IU_CMD_DATA:
|
|
dissect_fc_sbccs_dib_cmd_hdr (tvb, pinfo, dib_tree, offset);
|
|
break;
|
|
case FC_SBCCS_IU_STATUS:
|
|
dissect_fc_sbccs_dib_status_hdr (tvb, pinfo, dib_tree, offset);
|
|
break;
|
|
case FC_SBCCS_IU_CTL:
|
|
dissect_fc_sbccs_dib_ctl_hdr (tvb, pinfo, dib_tree, offset);
|
|
break;
|
|
case FC_SBCCS_IU_CMD_LINK_CTL:
|
|
dissect_fc_sbccs_dib_link_hdr (tvb, pinfo, dib_tree, offset);
|
|
break;
|
|
default:
|
|
next_tvb = tvb_new_subset (tvb, offset, -1, -1);
|
|
call_dissector (data_handle, next_tvb, pinfo, dib_tree);
|
|
break;
|
|
}
|
|
|
|
if ((get_fc_sbccs_iu_type (tvb, 0) != FC_SBCCS_IU_CTL) &&
|
|
(get_fc_sbccs_iu_type (tvb, 0) != FC_SBCCS_IU_CMD_LINK_CTL)) {
|
|
next_tvb = tvb_new_subset (tvb, offset+FC_SBCCS_DIB_LRC_HDR_SIZE,
|
|
-1, -1);
|
|
call_dissector (data_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
/* this format is required because a script is used to build the C function
|
|
that calls all the protocol registration.
|
|
*/
|
|
|
|
void
|
|
proto_register_fcsbccs (void)
|
|
{
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_sbccs_chid,
|
|
{"Channel Image ID", "sbccs.chid", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_cuid,
|
|
{"Control Unit Image ID", "sbccs.cuid", FT_UINT8, BASE_DEC, NULL,
|
|
0x0, "", HFILL}},
|
|
{ &hf_sbccs_devaddr,
|
|
{"Device Address", "sbccs.devaddr", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_iui,
|
|
{"Information Unit Identifier", "sbccs.iui", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dhflags,
|
|
{"DH Flags", "sbccs.dhflags", FT_UINT8, BASE_HEX, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_sbccs_ccw,
|
|
{"CCW Number", "sbccs.ccw", FT_UINT16, BASE_HEX, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_sbccs_token,
|
|
{"Token", "sbccs.token", FT_UINT24, BASE_DEC, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_sbccs_dib_iucnt,
|
|
{"DIB IU Count", "sbccs.iucnt", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_datacnt,
|
|
{"DIB Data Byte Count", "sbccs.databytecnt", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_cmd,
|
|
{"CCW Command", "sbccs.ccwcmd", FT_UINT8, BASE_HEX,
|
|
VALS (fc_sbccs_dib_cmd_val), 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_cnt,
|
|
{"CCW Count", "sbccs.ccwcnt", FT_UINT16, BASE_DEC, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_sbccs_dib_ioprio,
|
|
{"I/O Priority", "sbccs.ioprio", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_status,
|
|
{"Status", "sbccs.status", FT_UINT8, BASE_HEX, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_sbccs_dib_residualcnt,
|
|
{"Residual Count", "sbccs.residualcnt", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_iupacing,
|
|
{"IU Pacing", "sbccs.iupacing", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_qtuf,
|
|
{"Queue-Time Unit Factor", "sbccs.qtuf", FT_UINT8, BASE_DEC,
|
|
NULL, 0xF0, "", HFILL}},
|
|
{ &hf_sbccs_dib_qtu,
|
|
{"Queue-Time Unit", "sbccs.qtu", FT_UINT16, BASE_DEC, NULL, 0xFFF,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_dtuf,
|
|
{"Defer-Time Unit Function", "sbccs.dtuf", FT_UINT8, BASE_DEC,
|
|
NULL, 0xF0, "", HFILL}},
|
|
{ &hf_sbccs_dib_dtu,
|
|
{"Defer-Time Unit", "sbccs.dtu", FT_UINT16, BASE_DEC, NULL, 0xFFF,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_ctlfn,
|
|
{"Control Function", "sbccs.ctlfn", FT_UINT8, BASE_HEX,
|
|
VALS (fc_sbccs_dib_ctl_fn_val), 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_linkctlfn,
|
|
{"Link Control Function", "sbccs.linkctlfn", FT_UINT8, BASE_HEX,
|
|
VALS (fc_sbccs_dib_link_ctl_fn_val), 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_ctccntr,
|
|
{"CTC Counter", "sbccs.ctccntr", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_lrc,
|
|
{"LRC", "sbccs.lrc", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dev_xcp_code,
|
|
{"Device Level Exception Code", "sbccs.dip.xcpcode", FT_UINT8,
|
|
BASE_DEC, VALS (fc_sbccs_dib_dev_xcpcode_val), 0x0, "", HFILL}},
|
|
{ &hf_sbccs_prg_pth_errcode,
|
|
{"Purge Path Error Code", "sbccs.purgepathcode", FT_UINT8,
|
|
BASE_DEC, VALS (fc_sbccs_dib_purge_path_err_val), 0x0, "", HFILL}},
|
|
{ &hf_sbccs_prg_rsp_errcode,
|
|
{"Purge Path Response Error Code", "sbccs.purgepathrspcode",
|
|
FT_UINT8, BASE_DEC, VALS (fc_sbccs_dib_purge_path_rsp_err_val),
|
|
0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_lprcode,
|
|
{"LPR Reason Code", "sbccs.lprcode", FT_UINT8, BASE_DEC,
|
|
VALS (fc_sbccs_dib_lpr_errcode_val), 0xF, "", HFILL}},
|
|
{ &hf_sbccs_dib_tin_imgid_cnt,
|
|
{"TIN Image ID", "sbccs.tinimageidcnt", FT_UINT8, BASE_DEC, NULL,
|
|
0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_lrjcode,
|
|
{"LRJ Reaspn Code", "sbccs.lrjcode", FT_UINT8, BASE_HEX,
|
|
VALS (fc_sbccs_dib_lrj_errcode_val), 0x7F, "", HFILL}},
|
|
{ &hf_sbccs_iui_as,
|
|
{"AS", "sbccs.iui.as", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_iui_as), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_iui_es,
|
|
{"ES", "sbccs.iui.es", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_iui_es), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_iui_val,
|
|
{"Val", "sbccs.iui.val", FT_UINT8, BASE_HEX,
|
|
VALS(fc_sbccs_iu_val), 0x07, "", HFILL}},
|
|
{ &hf_sbccs_dhflags_end,
|
|
{"End", "sbccs.dhflags.end", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_dhflags_end), 0x80, "", HFILL}},
|
|
{ &hf_sbccs_dhflags_chaining,
|
|
{"Chaining", "sbccs.dhflags.chaining", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_dhflags_chaining), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_dhflags_earlyend,
|
|
{"Early End", "sbccs.dhflags.earlyend", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_dhflags_earlyend), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_dhflags_nocrc,
|
|
{"No CRC", "sbccs.dhflags.nocrc", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_dhflags_nocrc), 0x04, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_flags,
|
|
{"CCW Control Flags", "sbccs.ccwflags", FT_UINT8, BASE_HEX, NULL,
|
|
0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_flags_cd,
|
|
{"CD", "sbccs.ccwflags.cd", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_ccwflags_cd), 0x80, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_flags_cc,
|
|
{"CC", "sbccs.ccwflags.cc", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_ccwflags_cc), 0x40, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_flags_sli,
|
|
{"SLI", "sbccs.ccwflags.sli", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_ccwflags_sli), 0x20, "", HFILL}},
|
|
{ &hf_sbccs_dib_ccw_flags_crr,
|
|
{"CRR", "sbccs.ccwflags.crr", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_ccwflags_crr), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags,
|
|
{"Command Flags", "sbccs.cmdflags", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags_du,
|
|
{"DU", "sbccs.cmdflags.du", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_cmdflags_du), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags_coc,
|
|
{"COC", "sbccs.cmdflags.coc", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_cmdflags_coc), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags_syr,
|
|
{"SYR", "sbccs.cmdflags.syr", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_cmdflags_syr), 0x04, "", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags_rex,
|
|
{"REX", "sbccs.cmdflags.rex", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_cmdflags_rex), 0x02, "", HFILL}},
|
|
{ &hf_sbccs_dib_cmdflags_sss,
|
|
{"SSS", "sbccs.cmdflags.sss", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_cmdflags_sss), 0x01, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags,
|
|
{"Status Flags", "sbccs.statusflags", FT_UINT8, BASE_HEX,
|
|
NULL, 0, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags_ffc,
|
|
{"FFC", "sbccs.statusflags.ffc", FT_UINT8, BASE_HEX,
|
|
VALS(status_ffc_val), 0xE0, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags_ci,
|
|
{"CI", "sbccs.statusflags.ci", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_statusflags_ci), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags_cr,
|
|
{"CR", "sbccs.statusflags.cr", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_statusflags_cr), 0x04, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags_lri,
|
|
{"LRI", "sbccs.statusflags.lri", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_statusflags_lri), 0x02, "", HFILL}},
|
|
{ &hf_sbccs_dib_statusflags_rv,
|
|
{"RV", "sbccs.statusflags.rv", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_statusflags_rv), 0x01, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_attention,
|
|
{"Attention", "sbccs.status.attention", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_attention), 0x80, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_modifier,
|
|
{"Status Modifier", "sbccs.status.modifier", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_modifier), 0x40, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_cue,
|
|
{"Control-Unit End", "sbccs.status.cue", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_cue), 0x20, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_busy,
|
|
{"Busy", "sbccs.status.busy", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_busy), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_channelend,
|
|
{"Channel End", "sbccs.status.channel_end", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_channelend), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_deviceend,
|
|
{"Device End", "sbccs.status.device_end", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_deviceend), 0x04, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_unit_check,
|
|
{"Unit Check", "sbccs.status.unit_check", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_unitcheck), 0x02, "", HFILL}},
|
|
{ &hf_sbccs_dib_status_unit_exception,
|
|
{"Unit Exception", "sbccs.status.unitexception", FT_BOOLEAN, 8,
|
|
TFS(&tfs_sbccs_status_unitexception), 0x01, "", HFILL}},
|
|
{ &hf_sbccs_dib_ctlparam,
|
|
{"Control Parameters", "sbccs.ctlparam", FT_UINT24, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_ctlparam_rc,
|
|
{"RC", "sbccs.ctlparam.rc", FT_BOOLEAN, 24,
|
|
TFS(&tfs_sbccs_ctlparam_rc), 0x80, "", HFILL}},
|
|
{ &hf_sbccs_dib_ctlparam_ru,
|
|
{"RU", "sbccs.ctlparam.ru", FT_BOOLEAN, 24,
|
|
TFS(&tfs_sbccs_ctlparam_ru), 0x10, "", HFILL}},
|
|
{ &hf_sbccs_dib_ctlparam_ro,
|
|
{"RO", "sbccs.ctlparam.ro", FT_BOOLEAN, 24,
|
|
TFS(&tfs_sbccs_ctlparam_ro), 0x08, "", HFILL}},
|
|
{ &hf_sbccs_dib_linkctlinfo,
|
|
{"Link Control Information", "sbccs.linkctlinfo", FT_UINT16,
|
|
BASE_HEX, NULL, 0x0, "", HFILL}},
|
|
{ &hf_sbccs_dib_linkctlinfo_ctcconn,
|
|
{"CTC Conn", "sbccs.linkctlinfo.ctc_conn", FT_BOOLEAN, 16,
|
|
TFS(&tfs_sbccs_linkctlinfo_ctcconn), 0x80, "", HFILL}},
|
|
{ &hf_sbccs_dib_linkctlinfo_ecrcg,
|
|
{"Enhanced CRC Generation", "sbccs.linkctlinfo.ecrcg", FT_BOOLEAN, 16,
|
|
TFS(&tfs_sbccs_linkctlinfo_ecrcg), 0x01, "", HFILL}},
|
|
};
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_fc_sbccs,
|
|
&ett_sbccs_iui,
|
|
&ett_sbccs_dhflags,
|
|
&ett_sbccs_dib_ccw_flags,
|
|
&ett_sbccs_dib_cmdflags,
|
|
&ett_sbccs_dib_statusflags,
|
|
&ett_sbccs_dib_status,
|
|
&ett_sbccs_dib_ctlparam,
|
|
&ett_sbccs_dib_linkctlinfo,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_fc_sbccs = proto_register_protocol ("Fibre Channel Single Byte Command",
|
|
"FC-SB3", "sb3");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_fc_sbccs, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
/* If this dissector uses sub-dissector registration add a registration routine.
|
|
This format is required because a script is used to find these routines and
|
|
create the code that calls these routines.
|
|
*/
|
|
void
|
|
proto_reg_handoff_fcsbccs (void)
|
|
{
|
|
dissector_handle_t fc_sbccs_handle;
|
|
|
|
fc_sbccs_handle = create_dissector_handle (dissect_fc_sbccs,
|
|
proto_fc_sbccs);
|
|
|
|
dissector_add("fc.ftype", FC_FTYPE_SBCCS, fc_sbccs_handle);
|
|
|
|
data_handle = find_dissector ("data");
|
|
}
|
|
|
|
|