2002-12-08 02:32:36 +00:00
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/* packet-fcp.c
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* Routines for Fibre Channel Protocol for SCSI (FCP)
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* Copyright 2001, Dinesh G Dutt <ddutt@cisco.com>
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*
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2004-07-18 00:24:25 +00:00
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* $Id$
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2002-12-08 02:32:36 +00:00
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*
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2006-05-21 04:49:01 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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2002-12-08 02:32:36 +00:00
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* Copyright 1998 Gerald Combs
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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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2005-07-25 23:11:32 +00:00
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*
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2002-12-08 02:32:36 +00:00
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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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2005-07-25 23:11:32 +00:00
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*
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2002-12-08 02:32:36 +00:00
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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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2012-06-28 23:18:38 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2002-12-08 02:32:36 +00:00
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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 <glib.h>
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2005-08-12 23:00:01 +00:00
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#include <epan/emem.h>
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2002-12-08 02:32:36 +00:00
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#include <epan/packet.h>
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#include <epan/conversation.h>
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2005-09-17 00:02:31 +00:00
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#include <epan/etypes.h>
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2006-10-11 10:38:59 +00:00
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#include "packet-scsi.h"
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2002-12-08 02:32:36 +00:00
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#include "packet-fc.h"
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#include "packet-fcp.h"
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2009-10-17 10:19:18 +00:00
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#include "packet-fcels.h"
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2002-12-08 02:32:36 +00:00
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/* Initialize the protocol and registered fields */
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2012-05-03 19:31:03 +00:00
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static int proto_fcp = -1;
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static int hf_fcp_multilun = -1;
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static int hf_fcp_singlelun = -1;
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static int hf_fcp_crn = -1;
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static int hf_fcp_taskattr = -1;
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static int hf_fcp_taskmgmt = -1;
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2002-12-08 02:32:36 +00:00
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static int hf_fcp_addlcdblen = -1;
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2012-05-03 19:31:03 +00:00
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static int hf_fcp_rddata = -1;
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static int hf_fcp_wrdata = -1;
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static int hf_fcp_dl = -1;
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static int hf_fcp_bidir_dl = -1;
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static int hf_fcp_data_ro = -1;
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static int hf_fcp_burstlen = -1;
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static int hf_fcp_rspflags = -1;
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static int hf_fcp_retry_delay_timer = -1;
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static int hf_fcp_resid = -1;
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2006-04-05 01:17:32 +00:00
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static int hf_fcp_bidir_resid = -1;
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2012-05-03 19:31:03 +00:00
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static int hf_fcp_snslen = -1;
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static int hf_fcp_rsplen = -1;
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static int hf_fcp_rspcode = -1;
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2002-12-08 02:32:36 +00:00
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static int hf_fcp_scsistatus = -1;
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static int hf_fcp_type = -1;
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2005-09-24 22:43:15 +00:00
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static int hf_fcp_mgmt_flags_obsolete = -1;
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static int hf_fcp_mgmt_flags_clear_aca = -1;
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static int hf_fcp_mgmt_flags_target_reset = -1;
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static int hf_fcp_mgmt_flags_lu_reset = -1;
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static int hf_fcp_mgmt_flags_rsvd = -1;
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static int hf_fcp_mgmt_flags_clear_task_set = -1;
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static int hf_fcp_mgmt_flags_abort_task_set = -1;
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2006-04-04 22:21:48 +00:00
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static int hf_fcp_rsp_flags_bidi = -1;
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static int hf_fcp_rsp_flags_bidi_rru = -1;
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static int hf_fcp_rsp_flags_bidi_rro = -1;
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2005-09-24 23:25:38 +00:00
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static int hf_fcp_rsp_flags_conf_req = -1;
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static int hf_fcp_rsp_flags_resid_under = -1;
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static int hf_fcp_rsp_flags_resid_over = -1;
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static int hf_fcp_rsp_flags_sns_vld = -1;
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static int hf_fcp_rsp_flags_res_vld = -1;
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2006-04-06 02:46:41 +00:00
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static int hf_fcp_request_in = -1;
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static int hf_fcp_response_in = -1;
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static int hf_fcp_time = -1;
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2009-10-17 10:19:18 +00:00
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static int hf_fcp_srr_op = -1;
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static int hf_fcp_srr_ox_id = -1;
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static int hf_fcp_srr_rx_id = -1;
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static int hf_fcp_srr_r_ctl = -1;
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2002-12-08 02:32:36 +00:00
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/* Initialize the subtree pointers */
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static gint ett_fcp = -1;
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2005-09-24 22:43:15 +00:00
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static gint ett_fcp_taskmgmt = -1;
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2005-09-24 23:25:38 +00:00
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static gint ett_fcp_rsp_flags = -1;
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2005-09-24 22:43:15 +00:00
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2006-04-21 11:08:24 +00:00
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typedef struct _fcp_conv_data_t {
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2006-08-14 08:29:29 +00:00
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emem_tree_t *luns;
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2006-04-21 11:08:24 +00:00
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} fcp_conv_data_t;
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2002-12-08 02:32:36 +00:00
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static dissector_table_t fcp_dissector;
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static dissector_handle_t data_handle;
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2006-04-04 22:21:48 +00:00
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/* Information Categories based on lower 4 bits of R_CTL */
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#define FCP_IU_DATA 0x1
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2009-10-17 10:19:18 +00:00
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#define FCP_IU_UNSOL_CTL 0x2
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#define FCP_IU_SOL_CTL 0x3
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2006-04-04 22:21:48 +00:00
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#define FCP_IU_CONFIRM 0x3
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#define FCP_IU_XFER_RDY 0x5
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#define FCP_IU_CMD 0x6
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#define FCP_IU_RSP 0x7
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static const value_string fcp_iu_val[] = {
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{FCP_IU_DATA , "FCP_DATA"},
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2009-10-17 10:19:18 +00:00
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{FCP_IU_UNSOL_CTL , "Control"},
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2006-04-04 22:21:48 +00:00
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{FCP_IU_CONFIRM , "Confirm"},
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{FCP_IU_XFER_RDY , "XFER_RDY"},
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{FCP_IU_CMD , "FCP_CMND"},
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{FCP_IU_RSP , "FCP_RSP"},
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{0, NULL},
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};
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/* Task Attribute Values */
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static const value_string fcp_task_attr_val[] = {
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{0, "Simple"},
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{1, "Head of Queue"},
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{2, "Ordered"},
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{4, "ACA"},
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{5, "Untagged"},
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{0, NULL},
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};
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/* RSP Code Definitions (from FCP_RSP_INFO) */
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static const value_string fcp_rsp_code_val[] = {
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{0, "Task Management Function Complete"},
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{1, "FCP_DATA length Different from FCP_BURST_LEN"},
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{2, "FCP_CMND Fields Invalid"},
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{3, "FCP_DATA Parameter Mismatch With FCP_DATA_RO"},
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{4, "Task Management Function Rejected"},
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{5, "Task Management Function Failed"},
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{9, "Task Management Function Incorrect LUN"},
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{0, NULL},
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};
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2002-12-08 02:32:36 +00:00
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2005-09-24 22:43:15 +00:00
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static const true_false_string fcp_mgmt_flags_obsolete_tfs = {
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"OBSOLETE BIT is SET",
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"OBSOLETE BIT is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_clear_aca_tfs = {
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"CLEAR ACA is SET",
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"Clear aca is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_target_reset_tfs = {
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"TARGET RESET is SET",
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"Target reset is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_lu_reset_tfs = {
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"LU RESET is SET",
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"Lu reset is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_rsvd_tfs = {
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"RSVD is SET",
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"Rsvd is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_clear_task_set_tfs = {
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"CLEAR TASK SET is SET",
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"Clear task set is NOT set",
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};
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static const true_false_string fcp_mgmt_flags_abort_task_set_tfs = {
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"ABORT TASK SET is SET",
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"Abort task set is NOT set",
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};
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2002-12-08 02:32:36 +00:00
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2005-09-24 22:43:15 +00:00
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static void
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2012-05-03 19:31:03 +00:00
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dissect_task_mgmt_flags(packet_info *pinfo, proto_tree *parent_tree, tvbuff_t *tvb, int offset)
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2005-09-24 22:43:15 +00:00
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{
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2012-05-03 19:31:03 +00:00
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proto_item *item = NULL;
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proto_tree *tree = NULL;
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guint8 flags;
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if (parent_tree) {
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item = proto_tree_add_item(parent_tree, hf_fcp_taskmgmt, tvb, offset, 1, ENC_LITTLE_ENDIAN);
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tree = proto_item_add_subtree(item, ett_fcp_taskmgmt);
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}
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flags = tvb_get_guint8(tvb, offset);
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if (!flags)
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proto_item_append_text(item, " (No values set)");
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_obsolete, tvb, offset, 1, flags);
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if (flags & 0x80) {
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proto_item_append_text(item, " OBSOLETE");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP OBSOLETE] ");
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}
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flags &= (~( 0x80 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_clear_aca, tvb, offset, 1, flags);
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if (flags & 0x40) {
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proto_item_append_text(item, " CLEAR ACA");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP CLEAR_ACA] ");
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}
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flags &= (~( 0x40 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_target_reset, tvb, offset, 1, flags);
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if (flags & 0x20) {
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proto_item_append_text(item, " TARGET RESET");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP TARGET_RESET] ");
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}
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flags &= (~( 0x20 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_lu_reset, tvb, offset, 1, flags);
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if (flags & 0x10) {
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proto_item_append_text(item, " LU RESET");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP LU_RESET] ");
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}
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flags &= (~( 0x10 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_rsvd, tvb, offset, 1, flags);
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if (flags & 0x08) {
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proto_item_append_text(item, " RSVD");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP RSVD] ");
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}
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flags &= (~( 0x08 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_clear_task_set, tvb, offset, 1, flags);
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if (flags & 0x04) {
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proto_item_append_text(item, " CLEAR TASK SET");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP CLEAR_TASK_SET] ");
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}
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flags &= (~( 0x04 ));
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proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_abort_task_set, tvb, offset, 1, flags);
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if (flags & 0x02) {
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proto_item_append_text(item, " ABORT TASK SET");
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col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP ABORT_TASK_SET] ");
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}
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flags &= (~( 0x02 ));
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if (flags) {
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proto_item_append_text(item, " Unknown bitmap value 0x%x", flags);
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}
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2002-12-08 02:32:36 +00:00
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}
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2006-04-04 22:21:48 +00:00
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static const true_false_string fcp_rsp_flags_bidi_tfs = {
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"Bidirectional residual fields are PRESENT",
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"Bidirectional residual fields are NOT present",
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};
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static const true_false_string fcp_rsp_flags_bidi_rru_tfs = {
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"Bidirectional residual underflow is PRESENT",
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"Bidirectional residual underflow is NOT present",
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};
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static const true_false_string fcp_rsp_flags_bidi_rro_tfs = {
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"Bidirectional residual overflow is PRESENT",
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"Bidirectional residual overflow is NOT present",
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};
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2005-09-24 23:25:38 +00:00
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static const true_false_string fcp_rsp_flags_conf_req_tfs = {
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"CONF REQ is SET",
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"Conf req set is NOT set",
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};
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static const true_false_string fcp_rsp_flags_resid_under_tfs = {
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"RESID UNDER is SET",
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"Resid under is NOT set",
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};
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static const true_false_string fcp_rsp_flags_resid_over_tfs = {
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"RESID OVER is SET",
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"Resid over is NOT set",
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};
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static const true_false_string fcp_rsp_flags_sns_vld_tfs = {
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"SNS VLD is SET",
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"Sns vld is NOT set",
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};
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static const true_false_string fcp_rsp_flags_res_vld_tfs = {
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"RES VLD is SET",
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"Res vld is NOT set",
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};
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static void
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dissect_rsp_flags(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
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2002-12-08 02:32:36 +00:00
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{
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2012-05-03 19:31:03 +00:00
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proto_item *item = NULL;
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proto_tree *tree = NULL;
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gboolean bidi_resid_present = FALSE;
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guint8 flags;
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if (parent_tree) {
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item = proto_tree_add_item(parent_tree, hf_fcp_rspflags, tvb, offset, 1, ENC_LITTLE_ENDIAN);
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tree = proto_item_add_subtree(item, ett_fcp_rsp_flags);
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}
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flags = tvb_get_guint8(tvb, offset);
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if (!flags)
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proto_item_append_text(item, " (No values set)");
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|
|
|
|
|
|
|
/* BIDI RSP */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x80) {
|
|
|
|
bidi_resid_present = TRUE;
|
|
|
|
proto_item_append_text(item, " BIDI_RSP");
|
|
|
|
if (flags & (~( 0x80 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x80 ));
|
|
|
|
|
|
|
|
/* these two bits are only defined if the bidi bit is set */
|
|
|
|
if (bidi_resid_present) {
|
|
|
|
/* BIDI READ RESID UNDER */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi_rru, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x40) {
|
|
|
|
proto_item_append_text(item, " BIDI_RRU");
|
|
|
|
if (flags & (~( 0x40 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x40 ));
|
|
|
|
|
|
|
|
/* BIDI READ RESID OVER */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi_rro, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x20) {
|
|
|
|
proto_item_append_text(item, " BIDI_RRO");
|
|
|
|
if (flags & (~( 0x20 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x20 ));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Conf Req */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_conf_req, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x10) {
|
|
|
|
proto_item_append_text(item, " CONF REQ");
|
|
|
|
if (flags & (~( 0x10 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x10 ));
|
|
|
|
|
|
|
|
/* Resid Under */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_resid_under, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x08) {
|
|
|
|
proto_item_append_text(item, " RESID UNDER");
|
|
|
|
if (flags & (~( 0x08 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x08 ));
|
|
|
|
|
|
|
|
/* Resid Over */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_resid_over, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x04) {
|
|
|
|
proto_item_append_text(item, " RESID OVER");
|
|
|
|
if (flags & (~( 0x04 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x04 ));
|
|
|
|
|
|
|
|
/* SNS len valid */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_sns_vld, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x02) {
|
|
|
|
proto_item_append_text(item, " SNS VLD");
|
|
|
|
if (flags & (~( 0x02 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x02 ));
|
|
|
|
|
|
|
|
/* rsp len valid */
|
|
|
|
proto_tree_add_boolean(tree, hf_fcp_rsp_flags_res_vld, tvb, offset, 1, flags);
|
|
|
|
if (flags & 0x01) {
|
|
|
|
proto_item_append_text(item, " RES VLD");
|
|
|
|
if (flags & (~( 0x01 )))
|
|
|
|
proto_item_append_text(item, ",");
|
|
|
|
}
|
|
|
|
flags &= (~( 0x01 ));
|
|
|
|
|
|
|
|
if (flags) {
|
|
|
|
proto_item_append_text(item, " Unknown bitmap value 0x%x", flags);
|
|
|
|
}
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2006-04-21 11:08:24 +00:00
|
|
|
dissect_fcp_cmnd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, proto_tree *tree, conversation_t *conversation, fc_hdr *fchdr, fcp_conv_data_t *fcp_conv_data)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
2012-05-03 19:31:03 +00:00
|
|
|
int offset = 0;
|
|
|
|
int add_len = 0;
|
|
|
|
guint8 flags, rwflags, lun0;
|
|
|
|
guint16 lun = 0xffff;
|
|
|
|
tvbuff_t *cdb_tvb;
|
|
|
|
int tvb_len, tvb_rlen;
|
|
|
|
itl_nexus_t *itl = NULL;
|
|
|
|
proto_item *hidden_item;
|
2002-12-08 02:32:36 +00:00
|
|
|
|
|
|
|
/* Determine the length of the FCP part of the packet */
|
2012-05-03 19:31:03 +00:00
|
|
|
flags = tvb_get_guint8(tvb, offset+10);
|
2002-12-08 02:32:36 +00:00
|
|
|
if (flags) {
|
2012-05-03 19:31:03 +00:00
|
|
|
add_len = tvb_get_guint8(tvb, offset+11) & 0x7C;
|
2002-12-08 02:32:36 +00:00
|
|
|
add_len = add_len >> 2;
|
|
|
|
}
|
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
hidden_item = proto_tree_add_uint(tree, hf_fcp_type, tvb, offset, 0, 0);
|
|
|
|
PROTO_ITEM_SET_HIDDEN(hidden_item);
|
2005-07-25 23:11:32 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
lun0 = tvb_get_guint8(tvb, offset);
|
2005-07-25 23:11:32 +00:00
|
|
|
|
2005-02-17 12:07:45 +00:00
|
|
|
/* Display single-level LUNs in decimal for clarity */
|
|
|
|
/* I'm taking a shortcut here by assuming that if the first byte of the
|
|
|
|
* LUN field is 0, it is a single-level LUN. This is not true. For a
|
|
|
|
* real single-level LUN, all 8 bytes except byte 1 must be 0.
|
|
|
|
*/
|
|
|
|
if (lun0) {
|
2011-10-05 00:25:09 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_multilun, tvb, offset, 8, ENC_NA);
|
2012-05-03 19:31:03 +00:00
|
|
|
lun = tvb_get_guint8(tvb, offset) & 0x3f;
|
|
|
|
lun <<= 8;
|
|
|
|
lun |= tvb_get_guint8(tvb, offset+1);
|
2006-04-21 11:08:24 +00:00
|
|
|
} else {
|
2006-04-05 09:51:14 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_singlelun, tvb, offset+1,
|
2012-05-03 19:31:03 +00:00
|
|
|
1, ENC_BIG_ENDIAN);
|
|
|
|
lun = tvb_get_guint8(tvb, offset+1);
|
2005-02-17 12:07:45 +00:00
|
|
|
}
|
2006-10-25 16:39:19 +00:00
|
|
|
|
|
|
|
if (fchdr->itlq)
|
2012-05-03 19:31:03 +00:00
|
|
|
fchdr->itlq->lun = lun;
|
2006-04-21 11:08:24 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
itl = (itl_nexus_t *)se_tree_lookup32(fcp_conv_data->luns, lun);
|
|
|
|
if (!itl) {
|
|
|
|
itl = se_alloc(sizeof(itl_nexus_t));
|
|
|
|
itl->cmdset = 0xff;
|
|
|
|
itl->conversation = conversation;
|
2006-04-21 11:08:24 +00:00
|
|
|
se_tree_insert32(fcp_conv_data->luns, lun, itl);
|
|
|
|
}
|
2005-02-17 12:07:45 +00:00
|
|
|
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_crn, tvb, offset+8, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_fcp_taskattr, tvb, offset+9, 1, ENC_BIG_ENDIAN);
|
2006-04-05 09:51:14 +00:00
|
|
|
dissect_task_mgmt_flags(pinfo, tree, tvb, offset+10);
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_addlcdblen, tvb, offset+11, 1, ENC_BIG_ENDIAN);
|
2012-05-03 19:31:03 +00:00
|
|
|
rwflags = tvb_get_guint8(tvb, offset+11);
|
|
|
|
if (fchdr->itlq) {
|
|
|
|
if (rwflags & 0x02) {
|
|
|
|
fchdr->itlq->task_flags |= SCSI_DATA_READ;
|
|
|
|
}
|
|
|
|
if (rwflags & 0x01) {
|
|
|
|
fchdr->itlq->task_flags |= SCSI_DATA_WRITE;
|
|
|
|
}
|
2006-10-11 11:32:56 +00:00
|
|
|
}
|
2011-10-10 00:39:31 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_rddata, tvb, offset+11, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_fcp_wrdata, tvb, offset+11, 1, ENC_BIG_ENDIAN);
|
2005-05-29 02:55:12 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
tvb_len = tvb_length_remaining(tvb, offset+12);
|
|
|
|
if (tvb_len > (16 + add_len))
|
|
|
|
tvb_len = 16 + add_len;
|
|
|
|
tvb_rlen = tvb_reported_length_remaining(tvb, offset+12);
|
|
|
|
if (tvb_rlen > (16 + add_len))
|
|
|
|
tvb_rlen = 16 + add_len;
|
|
|
|
cdb_tvb = tvb_new_subset(tvb, offset+12, tvb_len, tvb_rlen);
|
2006-04-21 22:00:38 +00:00
|
|
|
dissect_scsi_cdb(cdb_tvb, pinfo, parent_tree, SCSI_DEV_UNKNOWN, fchdr->itlq, itl);
|
2005-05-29 02:55:12 +00:00
|
|
|
|
2006-04-05 09:51:14 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_dl, tvb, offset+12+16+add_len,
|
2012-05-03 19:31:03 +00:00
|
|
|
4, ENC_BIG_ENDIAN);
|
|
|
|
if (fchdr->itlq) {
|
|
|
|
fchdr->itlq->data_length = tvb_get_ntohl(tvb, offset+12+16+add_len);
|
2006-10-11 11:32:56 +00:00
|
|
|
}
|
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
if ( ((rwflags & 0x03) == 0x03)
|
|
|
|
&& tvb_length_remaining(tvb, offset+12+16+add_len+4) >= 4) {
|
|
|
|
proto_tree_add_item(tree, hf_fcp_bidir_dl, tvb, offset+12+16+add_len+4,
|
|
|
|
4, ENC_BIG_ENDIAN);
|
|
|
|
if (fchdr->itlq) {
|
|
|
|
fchdr->itlq->bidir_data_length = tvb_get_ntohl(tvb, offset+12+16+add_len+4);
|
|
|
|
}
|
2006-10-11 11:32:56 +00:00
|
|
|
|
|
|
|
}
|
2006-10-25 16:39:19 +00:00
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2007-02-19 22:29:23 +00:00
|
|
|
dissect_fcp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, conversation_t *conversation _U_, fc_hdr *fchdr, itl_nexus_t *itl)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
2006-10-13 09:16:45 +00:00
|
|
|
dissect_scsi_payload(tvb, pinfo, parent_tree, FALSE, fchdr->itlq, itl, fchdr->relative_offset);
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
2006-04-04 22:21:48 +00:00
|
|
|
/* fcp-3 9.5 table 24 */
|
|
|
|
static void
|
|
|
|
dissect_fcp_rspinfo(tvbuff_t *tvb, proto_tree *tree, int offset)
|
|
|
|
{
|
2008-06-10 05:41:29 +00:00
|
|
|
/* 3 reserved bytes */
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 3;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* rsp code */
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_rspcode, tvb, offset, 1, ENC_BIG_ENDIAN);
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 1;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* 4 reserved bytes */
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 4;
|
2006-04-04 22:21:48 +00:00
|
|
|
}
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
static void
|
2007-02-19 22:29:23 +00:00
|
|
|
dissect_fcp_rsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, proto_tree *tree, conversation_t *conversation _U_, fc_hdr *fchdr, itl_nexus_t *itl)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
2012-05-03 19:31:03 +00:00
|
|
|
guint32 offset = 0;
|
|
|
|
gint32 snslen = 0;
|
|
|
|
gint32 rsplen = 0;
|
|
|
|
guint8 flags;
|
|
|
|
guint8 status;
|
2008-05-15 01:44:53 +00:00
|
|
|
proto_item *hidden_item;
|
2002-12-08 02:32:36 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
status = tvb_get_guint8(tvb, offset+11);
|
2005-07-25 23:11:32 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ":%s",
|
|
|
|
val_to_str(status, scsi_status_val, "0x%x"));
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
hidden_item = proto_tree_add_uint(tree, hf_fcp_type, tvb, offset, 0, 0);
|
|
|
|
PROTO_ITEM_SET_HIDDEN(hidden_item);
|
2002-12-08 02:32:36 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* 8 reserved bytes */
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 8;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* retry delay timer */
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_retry_delay_timer, tvb, offset, 2, ENC_BIG_ENDIAN);
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 2;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* flags */
|
2012-05-03 19:31:03 +00:00
|
|
|
flags = tvb_get_guint8(tvb, offset);
|
2008-05-15 01:44:53 +00:00
|
|
|
dissect_rsp_flags(tree, tvb, offset);
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 1;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* scsi status code */
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_scsistatus, tvb, offset, 1, ENC_BIG_ENDIAN);
|
2008-05-15 01:44:53 +00:00
|
|
|
dissect_scsi_rsp(tvb, pinfo, parent_tree, fchdr->itlq, itl, tvb_get_guint8(tvb, offset));
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 1;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* residual count */
|
2012-05-03 19:31:03 +00:00
|
|
|
if (flags & 0x0e) {
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_resid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
2008-05-15 01:44:53 +00:00
|
|
|
}
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 4;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* sense length */
|
|
|
|
if (flags & 0x2) {
|
2012-05-03 19:31:03 +00:00
|
|
|
snslen = tvb_get_ntohl(tvb, offset);
|
2008-05-15 01:44:53 +00:00
|
|
|
proto_tree_add_uint(tree, hf_fcp_snslen, tvb, offset, 4,
|
|
|
|
snslen);
|
|
|
|
}
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 4;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* response length */
|
|
|
|
if (flags & 0x1) {
|
2012-05-03 19:31:03 +00:00
|
|
|
rsplen = tvb_get_ntohl(tvb, offset);
|
2008-05-15 01:44:53 +00:00
|
|
|
proto_tree_add_uint(tree, hf_fcp_rsplen, tvb, offset, 4,
|
|
|
|
rsplen);
|
|
|
|
}
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 4;
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* rsp_info */
|
2012-05-03 19:31:03 +00:00
|
|
|
if (rsplen) {
|
2008-05-15 01:44:53 +00:00
|
|
|
tvbuff_t *rspinfo_tvb;
|
2006-10-25 16:39:19 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
rspinfo_tvb = tvb_new_subset(tvb, offset, MIN(rsplen, tvb_length_remaining(tvb, offset)), rsplen);
|
2008-06-10 05:41:29 +00:00
|
|
|
dissect_fcp_rspinfo(rspinfo_tvb, tree, 0);
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += rsplen;
|
2008-05-15 01:44:53 +00:00
|
|
|
}
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* sense info */
|
2012-05-03 19:31:03 +00:00
|
|
|
if (snslen) {
|
2008-05-15 01:44:53 +00:00
|
|
|
tvbuff_t *sns_tvb;
|
2006-10-25 16:39:19 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
sns_tvb = tvb_new_subset(tvb, offset, MIN(snslen, tvb_length_remaining(tvb, offset)), snslen);
|
|
|
|
dissect_scsi_snsinfo(sns_tvb, pinfo, parent_tree, 0,
|
2008-05-15 01:44:53 +00:00
|
|
|
snslen,
|
|
|
|
fchdr->itlq, itl);
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += snslen;
|
2008-05-15 01:44:53 +00:00
|
|
|
}
|
2006-04-04 22:21:48 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
/* bidir read resid (only present for bidirectional responses) */
|
2012-05-03 19:31:03 +00:00
|
|
|
if (flags & 0x80) {
|
|
|
|
if (flags & 0x60) {
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_bidir_resid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
2006-04-05 01:17:32 +00:00
|
|
|
}
|
2012-05-03 19:31:03 +00:00
|
|
|
offset += 4;
|
2008-05-15 01:44:53 +00:00
|
|
|
}
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2006-04-06 03:15:16 +00:00
|
|
|
dissect_fcp_xfer_rdy(tvbuff_t *tvb, proto_tree *tree)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
2012-05-03 19:31:03 +00:00
|
|
|
int offset = 0;
|
2008-05-15 01:44:53 +00:00
|
|
|
proto_item *hidden_item;
|
2002-12-08 02:32:36 +00:00
|
|
|
|
2008-05-15 01:44:53 +00:00
|
|
|
hidden_item = proto_tree_add_uint(tree, hf_fcp_type, tvb, offset, 0, 0);
|
|
|
|
PROTO_ITEM_SET_HIDDEN(hidden_item);
|
2006-04-05 08:58:16 +00:00
|
|
|
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_data_ro, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_fcp_burstlen, tvb, offset+4, 4, ENC_BIG_ENDIAN);
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
static void
|
|
|
|
dissect_fcp_srr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
|
|
|
guint8 r_ctl;
|
|
|
|
|
|
|
|
r_ctl = pinfo->r_ctl & 0xf;
|
|
|
|
if (r_ctl == FCP_IU_UNSOL_CTL) { /* request */
|
2011-10-06 03:35:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_fcp_srr_ox_id, tvb, 4, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_fcp_srr_rx_id, tvb, 6, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_fcp_data_ro, tvb, 8, 4, ENC_BIG_ENDIAN);
|
2009-10-17 10:19:18 +00:00
|
|
|
r_ctl = tvb_get_guint8(tvb, 12);
|
|
|
|
proto_tree_add_text(tree, tvb, 12, 1, "R_CTL: %s",
|
|
|
|
val_to_str(r_ctl, fcp_iu_val, "0x%02x"));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static const value_string fcp_els_iu_val[] = {
|
|
|
|
{FCP_IU_UNSOL_CTL , "FCP ELS Request"},
|
|
|
|
{FCP_IU_SOL_CTL , "FCP ELS Response"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Dissect FC-4 ELS for FCP.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
dissect_fcp_els(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
|
|
|
guint8 op;
|
|
|
|
|
|
|
|
op = tvb_get_guint8(tvb, 0);
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(op, fc_els_proto_val, "0x%x"));
|
|
|
|
proto_tree_add_text(tree, tvb, 0, 1, "Opcode: %s",
|
|
|
|
val_to_str(op, fc_els_proto_val,
|
|
|
|
"ELS 0x%02x"));
|
|
|
|
|
|
|
|
switch (op) { /* XXX should switch based on conv for LS_ACC */
|
|
|
|
case FC_ELS_SRR:
|
|
|
|
dissect_fcp_srr(tvb, pinfo, tree);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
static void
|
2006-04-05 09:51:14 +00:00
|
|
|
dissect_fcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
2012-05-03 19:31:03 +00:00
|
|
|
proto_item *ti = NULL;
|
|
|
|
proto_tree *fcp_tree = NULL;
|
|
|
|
fc_hdr *fchdr;
|
|
|
|
guint8 r_ctl;
|
|
|
|
fcp_conv_data_t *fcp_conv_data;
|
|
|
|
itl_nexus_t *itl = NULL;
|
|
|
|
gboolean els;
|
2002-12-08 02:32:36 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
fchdr = (fc_hdr *)pinfo->private_data;
|
2006-04-06 02:46:41 +00:00
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
2009-08-09 06:26:46 +00:00
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FCP");
|
2002-12-08 02:32:36 +00:00
|
|
|
|
|
|
|
r_ctl = pinfo->r_ctl;
|
2009-10-17 10:19:18 +00:00
|
|
|
els = (r_ctl & 0xf0) == FC_RCTL_LINK_DATA;
|
2002-12-08 02:32:36 +00:00
|
|
|
r_ctl &= 0xF;
|
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
|
|
val_to_str(r_ctl, els ? fcp_els_iu_val : fcp_iu_val,
|
2009-10-17 10:19:18 +00:00
|
|
|
"0x%x"));
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
2005-07-25 23:11:32 +00:00
|
|
|
|
2006-04-05 09:51:14 +00:00
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_fcp, tvb, 0, -1,
|
2009-10-17 10:19:18 +00:00
|
|
|
"FCP: %s",
|
|
|
|
val_to_str(r_ctl,
|
|
|
|
els ? fcp_els_iu_val :
|
|
|
|
fcp_iu_val, "Unknown 0x%02x"));
|
2006-04-05 09:51:14 +00:00
|
|
|
fcp_tree = proto_item_add_subtree(ti, ett_fcp);
|
|
|
|
}
|
|
|
|
|
2006-04-06 01:16:23 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
fcp_conv_data = conversation_get_proto_data(fchdr->conversation, proto_fcp);
|
|
|
|
if (!fcp_conv_data) {
|
|
|
|
fcp_conv_data = se_alloc(sizeof(fcp_conv_data_t));
|
|
|
|
fcp_conv_data->luns = se_tree_create_non_persistent(EMEM_TREE_TYPE_RED_BLACK, "FCP Luns");
|
2006-04-21 11:08:24 +00:00
|
|
|
conversation_add_proto_data(fchdr->conversation, proto_fcp, fcp_conv_data);
|
|
|
|
}
|
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
if ((r_ctl != FCP_IU_CMD) && (r_ctl != FCP_IU_UNSOL_CTL)) {
|
|
|
|
itl = (itl_nexus_t *)se_tree_lookup32(fcp_conv_data->luns, fchdr->itlq->lun);
|
2006-04-06 01:16:23 +00:00
|
|
|
}
|
|
|
|
|
2006-04-06 02:46:41 +00:00
|
|
|
/* put a request_in in all frames except the command frame */
|
2012-05-03 19:31:03 +00:00
|
|
|
if ((r_ctl != FCP_IU_CMD) && (r_ctl != FCP_IU_UNSOL_CTL) &&
|
|
|
|
(fchdr->itlq->first_exchange_frame)) {
|
2006-04-06 02:46:41 +00:00
|
|
|
proto_item *it;
|
2012-05-03 19:31:03 +00:00
|
|
|
it = proto_tree_add_uint(fcp_tree, hf_fcp_singlelun, tvb, 0, 0, fchdr->itlq->lun);
|
2006-04-06 03:15:16 +00:00
|
|
|
PROTO_ITEM_SET_GENERATED(it);
|
2012-05-03 19:31:03 +00:00
|
|
|
it = proto_tree_add_uint(fcp_tree, hf_fcp_request_in, tvb, 0, 0, fchdr->itlq->first_exchange_frame);
|
2006-04-06 02:46:41 +00:00
|
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
|
|
/* only put the response time in the actual response frame */
|
2012-05-03 19:31:03 +00:00
|
|
|
if (r_ctl == FCP_IU_RSP) {
|
2006-04-06 02:46:41 +00:00
|
|
|
nstime_t delta_ts;
|
2006-04-20 09:43:56 +00:00
|
|
|
nstime_delta(&delta_ts, &pinfo->fd->abs_ts, &fchdr->itlq->fc_time);
|
2012-05-03 19:31:03 +00:00
|
|
|
it = proto_tree_add_time(ti, hf_fcp_time, tvb, 0, 0, &delta_ts);
|
2006-04-06 02:46:41 +00:00
|
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* put a response_in in all frames except the response frame */
|
2012-05-03 19:31:03 +00:00
|
|
|
if ((r_ctl != FCP_IU_RSP) && (r_ctl != FCP_IU_SOL_CTL) &&
|
|
|
|
(fchdr->itlq->last_exchange_frame)) {
|
2006-04-06 02:46:41 +00:00
|
|
|
proto_item *it;
|
2012-05-03 19:31:03 +00:00
|
|
|
it = proto_tree_add_uint(fcp_tree, hf_fcp_response_in, tvb, 0, 0, fchdr->itlq->last_exchange_frame);
|
2006-04-06 02:46:41 +00:00
|
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
|
|
}
|
2006-04-06 01:16:23 +00:00
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
if (els) {
|
|
|
|
dissect_fcp_els(tvb, pinfo, fcp_tree);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
switch (r_ctl) {
|
|
|
|
case FCP_IU_DATA:
|
2006-04-21 11:08:24 +00:00
|
|
|
dissect_fcp_data(tvb, pinfo, tree, fchdr->conversation, fchdr, itl);
|
2002-12-08 02:32:36 +00:00
|
|
|
break;
|
|
|
|
case FCP_IU_CONFIRM:
|
|
|
|
/* Nothing to be done here */
|
|
|
|
break;
|
|
|
|
case FCP_IU_XFER_RDY:
|
2006-04-06 03:15:16 +00:00
|
|
|
dissect_fcp_xfer_rdy(tvb, fcp_tree);
|
2002-12-08 02:32:36 +00:00
|
|
|
break;
|
|
|
|
case FCP_IU_CMD:
|
2006-04-21 11:08:24 +00:00
|
|
|
dissect_fcp_cmnd(tvb, pinfo, tree, fcp_tree, fchdr->conversation, fchdr, fcp_conv_data);
|
2002-12-08 02:32:36 +00:00
|
|
|
break;
|
|
|
|
case FCP_IU_RSP:
|
2006-04-21 11:08:24 +00:00
|
|
|
dissect_fcp_rsp(tvb, pinfo, tree, fcp_tree, fchdr->conversation, fchdr, itl);
|
2002-12-08 02:32:36 +00:00
|
|
|
break;
|
|
|
|
default:
|
2006-04-05 09:51:14 +00:00
|
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
2002-12-08 02:32:36 +00:00
|
|
|
break;
|
|
|
|
}
|
2006-04-05 09:51:14 +00:00
|
|
|
/*xxx once the subdissectors return bytes consumed: proto_item_set_end(ti, tvb, offset);*/
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|
|
|
|
|
2006-05-21 04:49:01 +00:00
|
|
|
/* Register the protocol with Wireshark */
|
2002-12-08 02:32:36 +00:00
|
|
|
|
|
|
|
void
|
2012-05-03 19:31:03 +00:00
|
|
|
proto_register_fcp(void)
|
2005-07-25 23:11:32 +00:00
|
|
|
{
|
2002-12-08 02:32:36 +00:00
|
|
|
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_fcp_type,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Field to branch off to SCSI", "fcp.type",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
|
|
|
{ &hf_fcp_multilun,
|
|
|
|
{"Multi-Level LUN", "fcp.multilun",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_singlelun,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"LUN", "fcp.lun",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_crn,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Command Ref Num", "fcp.crn",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_taskattr,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Task Attribute", "fcp.taskattr",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(fcp_task_attr_val), 0x7,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_taskmgmt,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Task Management Flags", "fcp.taskmgmt",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_addlcdblen,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Additional CDB Length", "fcp.addlcdblen",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0xFC,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_rddata,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"RDDATA", "fcp.rddata",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x02,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_wrdata,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"WRDATA", "fcp.wrdata",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x01,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_dl,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_DL", "fcp.dl",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2006-10-11 11:32:56 +00:00
|
|
|
{ &hf_fcp_bidir_dl,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_BIDIRECTIONAL_READ_DL", "fcp.bidir_dl",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_data_ro,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_DATA_RO", "fcp.data_ro",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_burstlen,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Burst Length", "fcp.burstlen",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2006-04-04 22:21:48 +00:00
|
|
|
{ &hf_fcp_retry_delay_timer,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Retry Delay Timer", "fcp.rsp.retry_delay_timer",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_rspflags,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_RSP Flags", "fcp.rspflags",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_resid,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_RESID", "fcp.resid",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2006-04-05 01:17:32 +00:00
|
|
|
{ &hf_fcp_bidir_resid,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Bidirectional Read Resid", "fcp.bidir_resid",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_snslen,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_SNS_LEN", "fcp.snslen",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_rsplen,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"FCP_RSP_LEN", "fcp.rsplen",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_rspcode,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"RSP_CODE", "fcp.rspcode",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(fcp_rsp_code_val), 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2002-12-08 02:32:36 +00:00
|
|
|
{ &hf_fcp_scsistatus,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"SCSI Status", "fcp.status",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(scsi_status_val), 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_obsolete,
|
|
|
|
{ "Obsolete", "fcp.mgmt.flags.obsolete",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_obsolete_tfs), 0x80,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_clear_aca,
|
|
|
|
{ "Clear ACA", "fcp.mgmt.flags.clear_aca",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_clear_aca_tfs), 0x40,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_target_reset,
|
|
|
|
{ "Target Reset", "fcp.mgmt.flags.target_reset",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_target_reset_tfs), 0x20,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_lu_reset,
|
|
|
|
{ "LU Reset", "fcp.mgmt.flags.lu_reset",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_lu_reset_tfs), 0x10,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_rsvd,
|
|
|
|
{ "Rsvd", "fcp.mgmt.flags.rsvd",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_rsvd_tfs), 0x08,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_clear_task_set,
|
|
|
|
{ "Clear Task Set", "fcp.mgmt.flags.clear_task_set",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_clear_task_set_tfs), 0x04,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_mgmt_flags_abort_task_set,
|
|
|
|
{ "Abort Task Set", "fcp.mgmt.flags.abort_task_set",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_abort_task_set_tfs), 0x02,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_bidi,
|
|
|
|
{ "Bidi Rsp", "fcp.rsp.flags.bidi",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_tfs), 0x80,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_bidi_rru,
|
|
|
|
{ "Bidi Read Resid Under", "fcp.rsp.flags.bidi_rru",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_rru_tfs), 0x40,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_bidi_rro,
|
|
|
|
{ "Bidi Read Resid Over", "fcp.rsp.flags.bidi_rro",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_rro_tfs), 0x20,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_conf_req,
|
|
|
|
{ "Conf Req", "fcp.rsp.flags.conf_req",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_conf_req_tfs), 0x10,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_resid_under,
|
|
|
|
{ "Resid Under", "fcp.rsp.flags.resid_under",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_resid_under_tfs), 0x08,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_resid_over,
|
|
|
|
{ "Resid Over", "fcp.rsp.flags.resid_over",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_resid_over_tfs), 0x04,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_sns_vld,
|
|
|
|
{ "SNS Vld", "fcp.rsp.flags.sns_vld",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_sns_vld_tfs), 0x02,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
|
|
|
{ &hf_fcp_rsp_flags_res_vld,
|
|
|
|
{ "RES Vld", "fcp.rsp.flags.res_vld",
|
|
|
|
FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_res_vld_tfs), 0x01,
|
|
|
|
NULL, HFILL }},
|
|
|
|
|
2006-04-06 02:46:41 +00:00
|
|
|
{ &hf_fcp_request_in,
|
2012-05-03 19:31:03 +00:00
|
|
|
{ "Request In", "fcp.request_in",
|
|
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0,
|
|
|
|
"The frame number for the request", HFILL }},
|
|
|
|
|
2006-04-06 02:46:41 +00:00
|
|
|
{ &hf_fcp_response_in,
|
2012-05-03 19:31:03 +00:00
|
|
|
{ "Response In", "fcp.response_in",
|
|
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0,
|
|
|
|
"The frame number of the response", HFILL }},
|
|
|
|
|
2006-04-06 02:46:41 +00:00
|
|
|
{ &hf_fcp_time,
|
2012-05-03 19:31:03 +00:00
|
|
|
{ "Time from FCP_CMND", "fcp.time",
|
|
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0,
|
|
|
|
"Time since the FCP_CMND frame", HFILL }},
|
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
{ &hf_fcp_srr_op,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"Opcode", "fcp.els.op",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
{ &hf_fcp_srr_ox_id,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"OX_ID", "fcp.els.srr.ox_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
{ &hf_fcp_srr_rx_id,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"RX_ID", "fcp.els.srr.rx_id",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
|
|
|
|
2009-10-17 10:19:18 +00:00
|
|
|
{ &hf_fcp_srr_r_ctl,
|
2012-05-03 19:31:03 +00:00
|
|
|
{"R_CTL", "fcp.els.srr.r_ctl",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}},
|
2002-12-08 02:32:36 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_fcp,
|
2012-05-03 19:31:03 +00:00
|
|
|
&ett_fcp_taskmgmt,
|
|
|
|
&ett_fcp_rsp_flags,
|
2002-12-08 02:32:36 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_fcp = proto_register_protocol("Fibre Channel Protocol for SCSI",
|
|
|
|
"FCP", "fcp");
|
|
|
|
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
|
|
proto_register_field_array(proto_fcp, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2012-05-03 19:31:03 +00:00
|
|
|
fcp_dissector = register_dissector_table("fcp.type", "FCP Type", FT_UINT8,
|
2002-12-08 02:32:36 +00:00
|
|
|
BASE_HEX);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2012-05-03 19:31:03 +00:00
|
|
|
proto_reg_handoff_fcp(void)
|
2002-12-08 02:32:36 +00:00
|
|
|
{
|
|
|
|
dissector_handle_t fcp_handle;
|
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
fcp_handle = create_dissector_handle(dissect_fcp, proto_fcp);
|
2010-12-20 05:35:29 +00:00
|
|
|
dissector_add_uint("fc.ftype", FC_FTYPE_SCSI, fcp_handle);
|
2002-12-08 02:32:36 +00:00
|
|
|
|
2012-05-03 19:31:03 +00:00
|
|
|
data_handle = find_dissector("data");
|
2002-12-08 02:32:36 +00:00
|
|
|
}
|