2 * Routines for Fibre Channel Protocol for SCSI (FCP)
3 * Copyright 2001, Dinesh G Dutt <ddutt@cisco.com>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
34 #ifdef HAVE_SYS_TYPES_H
35 # include <sys/types.h>
38 #ifdef HAVE_NETINET_IN_H
39 # include <netinet/in.h>
44 #include <epan/prefs.h>
45 #include <epan/emem.h>
46 #include <epan/packet.h>
47 #include <epan/conversation.h>
48 #include <epan/etypes.h>
49 #include "packet-scsi.h"
50 #include "packet-fc.h"
51 #include "packet-fcp.h"
53 /* Initialize the protocol and registered fields */
54 static int proto_fcp = -1;
55 static int hf_fcp_multilun = -1;
56 static int hf_fcp_singlelun = -1;
57 static int hf_fcp_crn = -1;
58 static int hf_fcp_taskattr = -1;
59 static int hf_fcp_taskmgmt = -1;
60 static int hf_fcp_addlcdblen = -1;
61 static int hf_fcp_rddata = -1;
62 static int hf_fcp_wrdata = -1;
63 static int hf_fcp_dl = -1;
64 static int hf_fcp_bidir_dl = -1;
65 static int hf_fcp_data_ro = -1;
66 static int hf_fcp_burstlen = -1;
67 static int hf_fcp_rspflags = -1;
68 static int hf_fcp_retry_delay_timer = -1;
69 static int hf_fcp_resid = -1;
70 static int hf_fcp_bidir_resid = -1;
71 static int hf_fcp_snslen = -1;
72 static int hf_fcp_rsplen = -1;
73 static int hf_fcp_rspcode = -1;
74 static int hf_fcp_scsistatus = -1;
75 static int hf_fcp_type = -1;
76 static int hf_fcp_mgmt_flags_obsolete = -1;
77 static int hf_fcp_mgmt_flags_clear_aca = -1;
78 static int hf_fcp_mgmt_flags_target_reset = -1;
79 static int hf_fcp_mgmt_flags_lu_reset = -1;
80 static int hf_fcp_mgmt_flags_rsvd = -1;
81 static int hf_fcp_mgmt_flags_clear_task_set = -1;
82 static int hf_fcp_mgmt_flags_abort_task_set = -1;
83 static int hf_fcp_rsp_flags_bidi = -1;
84 static int hf_fcp_rsp_flags_bidi_rru = -1;
85 static int hf_fcp_rsp_flags_bidi_rro = -1;
86 static int hf_fcp_rsp_flags_conf_req = -1;
87 static int hf_fcp_rsp_flags_resid_under = -1;
88 static int hf_fcp_rsp_flags_resid_over = -1;
89 static int hf_fcp_rsp_flags_sns_vld = -1;
90 static int hf_fcp_rsp_flags_res_vld = -1;
91 static int hf_fcp_request_in = -1;
92 static int hf_fcp_response_in = -1;
93 static int hf_fcp_time = -1;
95 /* Initialize the subtree pointers */
96 static gint ett_fcp = -1;
97 static gint ett_fcp_taskmgmt = -1;
98 static gint ett_fcp_rsp_flags = -1;
100 typedef struct _fcp_conv_data_t {
104 static dissector_table_t fcp_dissector;
105 static dissector_handle_t data_handle;
107 /* Information Categories based on lower 4 bits of R_CTL */
108 #define FCP_IU_DATA 0x1
109 #define FCP_IU_CONFIRM 0x3
110 #define FCP_IU_XFER_RDY 0x5
111 #define FCP_IU_CMD 0x6
112 #define FCP_IU_RSP 0x7
114 static const value_string fcp_iu_val[] = {
115 {FCP_IU_DATA , "FCP_DATA"},
116 {FCP_IU_CONFIRM , "Confirm"},
117 {FCP_IU_XFER_RDY , "XFER_RDY"},
118 {FCP_IU_CMD , "FCP_CMND"},
119 {FCP_IU_RSP , "FCP_RSP"},
124 /* Task Attribute Values */
125 static const value_string fcp_task_attr_val[] = {
127 {1, "Head of Queue"},
134 /* RSP Code Definitions (from FCP_RSP_INFO) */
135 static const value_string fcp_rsp_code_val[] = {
136 {0, "Task Management Function Complete"},
137 {1, "FCP_DATA length Different from FCP_BURST_LEN"},
138 {2, "FCP_CMND Fields Invalid"},
139 {3, "FCP_DATA Parameter Mismatch With FCP_DATA_RO"},
140 {4, "Task Management Function Rejected"},
141 {5, "Task Management Function Failed"},
142 {9, "Task Management Function Incorrect LUN"},
148 static const true_false_string fcp_mgmt_flags_obsolete_tfs = {
149 "OBSOLETE BIT is SET",
150 "OBSOLETE BIT is NOT set",
152 static const true_false_string fcp_mgmt_flags_clear_aca_tfs = {
154 "Clear aca is NOT set",
156 static const true_false_string fcp_mgmt_flags_target_reset_tfs = {
157 "TARGET RESET is SET",
158 "Target reset is NOT set",
160 static const true_false_string fcp_mgmt_flags_lu_reset_tfs = {
162 "Lu reset is NOT set",
164 static const true_false_string fcp_mgmt_flags_rsvd_tfs = {
168 static const true_false_string fcp_mgmt_flags_clear_task_set_tfs = {
169 "CLEAR TASK SET is SET",
170 "Clear task set is NOT set",
172 static const true_false_string fcp_mgmt_flags_abort_task_set_tfs = {
173 "ABORT TASK SET is SET",
174 "Abort task set is NOT set",
178 dissect_task_mgmt_flags (packet_info *pinfo, proto_tree *parent_tree, tvbuff_t *tvb, int offset)
180 proto_item *item = NULL;
181 proto_tree *tree = NULL;
186 item = proto_tree_add_item(parent_tree, hf_fcp_taskmgmt, tvb, offset, 1, TRUE);
187 tree = proto_item_add_subtree(item, ett_fcp_taskmgmt);
190 flags = tvb_get_guint8 (tvb, offset);
193 proto_item_append_text(item, " (No values set)");
195 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_obsolete, tvb, offset, 1, flags);
197 proto_item_append_text(item, " OBSOLETE");
198 if(check_col(pinfo->cinfo, COL_INFO)){
199 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP OBSOLETE] ");
204 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_clear_aca, tvb, offset, 1, flags);
206 proto_item_append_text(item, " CLEAR ACA");
207 if(check_col(pinfo->cinfo, COL_INFO)){
208 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP CLEAR_ACA] ");
213 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_target_reset, tvb, offset, 1, flags);
215 proto_item_append_text(item, " TARGET RESET");
216 if(check_col(pinfo->cinfo, COL_INFO)){
217 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP TARGET_RESET] ");
222 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_lu_reset, tvb, offset, 1, flags);
224 proto_item_append_text(item, " LU RESET");
225 if(check_col(pinfo->cinfo, COL_INFO)){
226 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP LU_RESET] ");
231 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_rsvd, tvb, offset, 1, flags);
233 proto_item_append_text(item, " RSVD");
234 if(check_col(pinfo->cinfo, COL_INFO)){
235 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP RSVD] ");
240 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_clear_task_set, tvb, offset, 1, flags);
242 proto_item_append_text(item, " CLEAR TASK SET");
243 if(check_col(pinfo->cinfo, COL_INFO)){
244 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP CLEAR_TASK_SET] ");
249 proto_tree_add_boolean(tree, hf_fcp_mgmt_flags_abort_task_set, tvb, offset, 1, flags);
251 proto_item_append_text(item, " ABORT TASK SET");
252 if(check_col(pinfo->cinfo, COL_INFO)){
253 col_prepend_fence_fstr(pinfo->cinfo, COL_INFO, "[FCP ABORT_TASK_SET] ");
259 proto_item_append_text(item, " Unknown bitmap value 0x%x", flags);
263 static const true_false_string fcp_rsp_flags_bidi_tfs = {
264 "Bidirectional residual fields are PRESENT",
265 "Bidirectional residual fields are NOT present",
267 static const true_false_string fcp_rsp_flags_bidi_rru_tfs = {
268 "Bidirectional residual underflow is PRESENT",
269 "Bidirectional residual underflow is NOT present",
271 static const true_false_string fcp_rsp_flags_bidi_rro_tfs = {
272 "Bidirectional residual overflow is PRESENT",
273 "Bidirectional residual overflow is NOT present",
275 static const true_false_string fcp_rsp_flags_conf_req_tfs = {
277 "Conf req set is NOT set",
279 static const true_false_string fcp_rsp_flags_resid_under_tfs = {
280 "RESID UNDER is SET",
281 "Resid under is NOT set",
283 static const true_false_string fcp_rsp_flags_resid_over_tfs = {
285 "Resid over is NOT set",
287 static const true_false_string fcp_rsp_flags_sns_vld_tfs = {
289 "Sns vld is NOT set",
291 static const true_false_string fcp_rsp_flags_res_vld_tfs = {
293 "Res vld is NOT set",
297 dissect_rsp_flags(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
299 proto_item *item = NULL;
300 proto_tree *tree = NULL;
301 gboolean bidi_resid_present=FALSE;
305 item = proto_tree_add_item(parent_tree, hf_fcp_rspflags, tvb, offset, 1, TRUE);
306 tree = proto_item_add_subtree(item, ett_fcp_rsp_flags);
309 flags = tvb_get_guint8 (tvb, offset);
312 proto_item_append_text(item, " (No values set)");
315 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi, tvb, offset, 1, flags);
317 bidi_resid_present=TRUE;
318 proto_item_append_text(item, " BIDI_RSP");
319 if (flags & (~( 0x80 )))
320 proto_item_append_text(item, ",");
324 /* these two bits are only defined if the bidi bit is set */
325 if(bidi_resid_present){
326 /* BIDI READ RESID UNDER */
327 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi_rru, tvb, offset, 1, flags);
329 proto_item_append_text(item, " BIDI_RRU");
330 if (flags & (~( 0x40 )))
331 proto_item_append_text(item, ",");
335 /* BIDI READ RESID OVER */
336 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_bidi_rro, tvb, offset, 1, flags);
338 proto_item_append_text(item, " BIDI_RRO");
339 if (flags & (~( 0x20 )))
340 proto_item_append_text(item, ",");
346 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_conf_req, tvb, offset, 1, flags);
348 proto_item_append_text(item, " CONF REQ");
349 if (flags & (~( 0x10 )))
350 proto_item_append_text(item, ",");
355 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_resid_under, tvb, offset, 1, flags);
357 proto_item_append_text(item, " RESID UNDER");
358 if (flags & (~( 0x08 )))
359 proto_item_append_text(item, ",");
364 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_resid_over, tvb, offset, 1, flags);
366 proto_item_append_text(item, " RESID OVER");
367 if (flags & (~( 0x04 )))
368 proto_item_append_text(item, ",");
373 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_sns_vld, tvb, offset, 1, flags);
375 proto_item_append_text(item, " SNS VLD");
376 if (flags & (~( 0x02 )))
377 proto_item_append_text(item, ",");
382 proto_tree_add_boolean(tree, hf_fcp_rsp_flags_res_vld, tvb, offset, 1, flags);
384 proto_item_append_text(item, " RES VLD");
385 if (flags & (~( 0x01 )))
386 proto_item_append_text(item, ",");
391 proto_item_append_text(item, " Unknown bitmap value 0x%x", flags);
396 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)
401 guint8 flags, rwflags, lun0;
404 int tvb_len, tvb_rlen;
405 itl_nexus_t *itl=NULL;
407 /* Determine the length of the FCP part of the packet */
408 flags = tvb_get_guint8 (tvb, offset+10);
410 add_len = tvb_get_guint8 (tvb, offset+11) & 0x7C;
411 add_len = add_len >> 2;
413 len = FCP_DEF_CMND_LEN + add_len;
416 len = FCP_DEF_CMND_LEN;
419 proto_tree_add_uint_hidden(tree, hf_fcp_type, tvb, offset, 0, 0);
421 lun0 = tvb_get_guint8 (tvb, offset);
423 /* Display single-level LUNs in decimal for clarity */
424 /* I'm taking a shortcut here by assuming that if the first byte of the
425 * LUN field is 0, it is a single-level LUN. This is not true. For a
426 * real single-level LUN, all 8 bytes except byte 1 must be 0.
429 proto_tree_add_item(tree, hf_fcp_multilun, tvb, offset, 8, 0);
430 lun=tvb_get_guint8(tvb, offset)&0x3f;
432 lun|=tvb_get_guint8(tvb, offset+1);
434 proto_tree_add_item(tree, hf_fcp_singlelun, tvb, offset+1,
436 lun=tvb_get_guint8(tvb, offset+1);
440 fchdr->itlq->lun=lun;
442 itl=(itl_nexus_t *)se_tree_lookup32(fcp_conv_data->luns, lun);
444 itl=se_alloc(sizeof(itl_nexus_t));
446 itl->conversation=conversation;
447 se_tree_insert32(fcp_conv_data->luns, lun, itl);
450 proto_tree_add_item(tree, hf_fcp_crn, tvb, offset+8, 1, 0);
451 proto_tree_add_item(tree, hf_fcp_taskattr, tvb, offset+9, 1, 0);
452 dissect_task_mgmt_flags(pinfo, tree, tvb, offset+10);
453 proto_tree_add_item(tree, hf_fcp_addlcdblen, tvb, offset+11, 1, 0);
454 rwflags=tvb_get_guint8(tvb, offset+11);
457 fchdr->itlq->task_flags|=SCSI_DATA_READ;
460 fchdr->itlq->task_flags|=SCSI_DATA_WRITE;
463 proto_tree_add_item(tree, hf_fcp_rddata, tvb, offset+11, 1, 0);
464 proto_tree_add_item(tree, hf_fcp_wrdata, tvb, offset+11, 1, 0);
466 tvb_len=tvb_length_remaining(tvb, offset+12);
467 if(tvb_len>(16+add_len))
469 tvb_rlen=tvb_reported_length_remaining(tvb, offset+12);
470 if(tvb_rlen>(16+add_len))
472 cdb_tvb=tvb_new_subset(tvb, offset+12, tvb_len, tvb_rlen);
473 dissect_scsi_cdb(cdb_tvb, pinfo, parent_tree, SCSI_DEV_UNKNOWN, fchdr->itlq, itl);
475 proto_tree_add_item(tree, hf_fcp_dl, tvb, offset+12+16+add_len,
478 fchdr->itlq->data_length=tvb_get_ntohl(tvb, offset+12+16+add_len);
481 if( ((rwflags&0x03)==0x03)
482 && tvb_length_remaining(tvb, offset+12+16+add_len+4)>=4){
483 proto_tree_add_item(tree, hf_fcp_bidir_dl, tvb, offset+12+16+add_len+4,
486 fchdr->itlq->bidir_data_length=tvb_get_ntohl(tvb, offset+12+16+add_len+4);
494 dissect_fcp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, conversation_t *conversation, fc_hdr *fchdr, itl_nexus_t *itl)
496 dissect_scsi_payload(tvb, pinfo, parent_tree, FALSE, fchdr->itlq, itl, fchdr->relative_offset);
499 /* fcp-3 9.5 table 24 */
501 dissect_fcp_rspinfo(tvbuff_t *tvb, proto_tree *tree, int offset)
503 /* 2 reserved bytes */
507 proto_tree_add_item(tree, hf_fcp_rspcode, tvb, offset, 1, 0);
510 /* 4 reserved bytes */
515 dissect_fcp_rsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, proto_tree *tree, conversation_t *conversation, fc_hdr *fchdr, itl_nexus_t *itl)
523 status = tvb_get_guint8 (tvb, offset+11);
525 if (check_col (pinfo->cinfo, COL_INFO)) {
526 col_append_fstr (pinfo->cinfo, COL_INFO, ":%s",
527 val_to_str (status, scsi_status_val, "0x%x"));
530 proto_tree_add_uint_hidden(tree, hf_fcp_type, tvb, offset, 0, 0);
533 /* 8 reserved bytes */
536 /* retry delay timer */
537 proto_tree_add_item(tree, hf_fcp_retry_delay_timer, tvb, offset, 2, 0);
541 flags = tvb_get_guint8 (tvb, offset);
542 dissect_rsp_flags(tree, tvb, offset);
545 /* scsi status code */
546 proto_tree_add_item(tree, hf_fcp_scsistatus, tvb, offset, 1, 0);
547 dissect_scsi_rsp(tvb, pinfo, parent_tree, fchdr->itlq, itl, tvb_get_guint8(tvb, offset));
552 proto_tree_add_item(tree, hf_fcp_resid, tvb, offset, 4, 0);
558 snslen=tvb_get_ntohl(tvb, offset);
559 proto_tree_add_uint(tree, hf_fcp_snslen, tvb, offset, 4,
564 /* response length */
566 rsplen=tvb_get_ntohl(tvb, offset);
567 proto_tree_add_uint(tree, hf_fcp_rsplen, tvb, offset, 4,
574 tvbuff_t *rspinfo_tvb;
576 rspinfo_tvb=tvb_new_subset(tvb, offset, MIN(rsplen, tvb_length_remaining(tvb, offset)), rsplen);
577 dissect_fcp_rspinfo(tvb, tree, 0);
586 sns_tvb=tvb_new_subset(tvb, offset, MIN(snslen, tvb_length_remaining(tvb, offset)), snslen);
587 dissect_scsi_snsinfo (sns_tvb, pinfo, parent_tree, 0,
594 /* bidir read resid (only present for bidirectional responses) */
597 proto_tree_add_item(tree, hf_fcp_bidir_resid, tvb, offset, 4, 0);
604 dissect_fcp_xfer_rdy(tvbuff_t *tvb, proto_tree *tree)
609 proto_tree_add_uint_hidden(tree, hf_fcp_type, tvb, offset, 0, 0);
611 proto_tree_add_item(tree, hf_fcp_data_ro, tvb, offset, 4, 0);
612 proto_tree_add_item(tree, hf_fcp_burstlen, tvb, offset+4, 4, 0);
616 dissect_fcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
619 proto_tree *fcp_tree = NULL;
622 fcp_conv_data_t *fcp_conv_data=NULL;
623 itl_nexus_t *itl=NULL;
625 fchdr=(fc_hdr *)pinfo->private_data;
627 /* Make entries in Protocol column and Info column on summary display */
628 if (check_col(pinfo->cinfo, COL_PROTOCOL))
629 col_set_str(pinfo->cinfo, COL_PROTOCOL, "FCP");
631 r_ctl = pinfo->r_ctl;
635 if (check_col (pinfo->cinfo, COL_INFO)) {
636 col_set_str (pinfo->cinfo, COL_INFO, val_to_str (r_ctl, fcp_iu_val,
642 ti = proto_tree_add_protocol_format(tree, proto_fcp, tvb, 0, -1,
643 "FCP: %s", val_to_str(r_ctl, fcp_iu_val, "Unknown 0x%02x"));
644 fcp_tree = proto_item_add_subtree(ti, ett_fcp);
648 fcp_conv_data=conversation_get_proto_data(fchdr->conversation, proto_fcp);
650 fcp_conv_data=se_alloc(sizeof(fcp_conv_data_t));
651 fcp_conv_data->luns=se_tree_create_non_persistent(EMEM_TREE_TYPE_RED_BLACK, "FCP Luns");
652 conversation_add_proto_data(fchdr->conversation, proto_fcp, fcp_conv_data);
655 if(r_ctl!=FCP_IU_CMD){
656 itl=(itl_nexus_t *)se_tree_lookup32(fcp_conv_data->luns, fchdr->itlq->lun);
659 /* put a request_in in all frames except the command frame */
660 if((r_ctl!=FCP_IU_CMD)&&(fchdr->itlq->first_exchange_frame)){
662 it=proto_tree_add_uint(fcp_tree, hf_fcp_singlelun, tvb, 0, 0, fchdr->itlq->lun);
663 PROTO_ITEM_SET_GENERATED(it);
664 it=proto_tree_add_uint(fcp_tree, hf_fcp_request_in, tvb, 0, 0, fchdr->itlq->first_exchange_frame);
665 PROTO_ITEM_SET_GENERATED(it);
666 /* only put the response time in the actual response frame */
667 if(r_ctl==FCP_IU_RSP){
669 nstime_delta(&delta_ts, &pinfo->fd->abs_ts, &fchdr->itlq->fc_time);
670 it=proto_tree_add_time(ti, hf_fcp_time, tvb, 0, 0, &delta_ts);
671 PROTO_ITEM_SET_GENERATED(it);
674 /* put a response_in in all frames except the response frame */
675 if((r_ctl!=FCP_IU_RSP)&&(fchdr->itlq->last_exchange_frame)){
677 it=proto_tree_add_uint(fcp_tree, hf_fcp_response_in, tvb, 0, 0, fchdr->itlq->last_exchange_frame);
678 PROTO_ITEM_SET_GENERATED(it);
683 dissect_fcp_data(tvb, pinfo, tree, fchdr->conversation, fchdr, itl);
686 /* Nothing to be done here */
688 case FCP_IU_XFER_RDY:
689 dissect_fcp_xfer_rdy(tvb, fcp_tree);
692 dissect_fcp_cmnd(tvb, pinfo, tree, fcp_tree, fchdr->conversation, fchdr, fcp_conv_data);
695 dissect_fcp_rsp(tvb, pinfo, tree, fcp_tree, fchdr->conversation, fchdr, itl);
698 call_dissector(data_handle, tvb, pinfo, tree);
701 /*xxx once the subdissectors return bytes consumed: proto_item_set_end(ti, tvb, offset);*/
705 /* Register the protocol with Wireshark */
707 /* this format is require because a script is used to build the C function
708 that calls all the protocol registration.
712 proto_register_fcp (void)
715 /* Setup list of header fields See Section 1.6.1 for details*/
716 static hf_register_info hf[] = {
718 {"Field to branch off to SCSI", "fcp.type", FT_UINT8, BASE_HEX, NULL,
721 {"Multi-Level LUN", "fcp.multilun", FT_BYTES, BASE_HEX, NULL, 0x0,
724 {"LUN", "fcp.lun", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}},
726 {"Command Ref Num", "fcp.crn", FT_UINT8, BASE_DEC, NULL, 0x0, "",
729 {"Task Attribute", "fcp.taskattr", FT_UINT8, BASE_HEX,
730 VALS (fcp_task_attr_val), 0x7, "", HFILL}},
732 {"Task Management Flags", "fcp.taskmgmt", FT_UINT8, BASE_HEX, NULL,
734 { &hf_fcp_addlcdblen,
735 {"Additional CDB Length", "fcp.addlcdblen", FT_UINT8, BASE_DEC, NULL,
738 {"RDDATA", "fcp.rddata", FT_BOOLEAN, 8, NULL, 0x02, "", HFILL}},
740 {"WRDATA", "fcp.wrdata", FT_BOOLEAN, 8, NULL, 0x01, "", HFILL}},
742 {"FCP_DL", "fcp.dl", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}},
744 {"FCP_BIDIRECTIONAL_READ_DL", "fcp.bidir_dl", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}},
746 {"FCP_DATA_RO", "fcp.data_ro", FT_UINT32, BASE_DEC, NULL, 0x0, "",
749 {"Burst Length", "fcp.burstlen", FT_UINT32, BASE_DEC, NULL, 0x0, "",
751 { &hf_fcp_retry_delay_timer,
752 {"Retry Delay Timer", "fcp.rsp.retry_delay_timer", FT_UINT16, BASE_DEC, NULL, 0x0, "",
755 {"FCP_RSP Flags", "fcp.rspflags", FT_UINT8, BASE_HEX, NULL, 0x0, "",
758 {"FCP_RESID", "fcp.resid", FT_UINT32, BASE_DEC, NULL, 0x0, "",
760 { &hf_fcp_bidir_resid,
761 {"Bidirectional Read Resid", "fcp.bidir_resid", FT_UINT32, BASE_DEC, NULL, 0x0, "",
764 {"FCP_SNS_LEN", "fcp.snslen", FT_UINT32, BASE_DEC, NULL, 0x0, "",
767 {"FCP_RSP_LEN", "fcp.rsplen", FT_UINT32, BASE_DEC, NULL, 0x0, "",
770 {"RSP_CODE", "fcp.rspcode", FT_UINT8, BASE_HEX,
771 VALS (fcp_rsp_code_val), 0x0, "", HFILL}},
772 { &hf_fcp_scsistatus,
773 {"SCSI Status", "fcp.status", FT_UINT8, BASE_HEX,
774 VALS (scsi_status_val), 0x0, "", HFILL}},
775 { &hf_fcp_mgmt_flags_obsolete,
776 { "Obsolete", "fcp.mgmt.flags.obsolete", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_obsolete_tfs), 0x80, "", HFILL }},
777 { &hf_fcp_mgmt_flags_clear_aca,
778 { "Clear ACA", "fcp.mgmt.flags.clear_aca", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_clear_aca_tfs), 0x40, "", HFILL }},
779 { &hf_fcp_mgmt_flags_target_reset,
780 { "Target Reset", "fcp.mgmt.flags.target_reset", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_target_reset_tfs), 0x20, "", HFILL }},
781 { &hf_fcp_mgmt_flags_lu_reset,
782 { "LU Reset", "fcp.mgmt.flags.lu_reset", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_lu_reset_tfs), 0x10, "", HFILL }},
783 { &hf_fcp_mgmt_flags_rsvd,
784 { "Rsvd", "fcp.mgmt.flags.rsvd", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_rsvd_tfs), 0x08, "", HFILL }},
785 { &hf_fcp_mgmt_flags_clear_task_set,
786 { "Clear Task Set", "fcp.mgmt.flags.clear_task_set", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_clear_task_set_tfs), 0x04, "", HFILL }},
787 { &hf_fcp_mgmt_flags_abort_task_set,
788 { "Abort Task Set", "fcp.mgmt.flags.abort_task_set", FT_BOOLEAN, 8, TFS(&fcp_mgmt_flags_abort_task_set_tfs), 0x02, "", HFILL }},
789 { &hf_fcp_rsp_flags_bidi,
790 { "Bidi Rsp", "fcp.rsp.flags.bidi", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_tfs), 0x80, "", HFILL }},
791 { &hf_fcp_rsp_flags_bidi_rru,
792 { "Bidi Read Resid Under", "fcp.rsp.flags.bidi_rru", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_rru_tfs), 0x40, "", HFILL }},
793 { &hf_fcp_rsp_flags_bidi_rro,
794 { "Bidi Read Resid Over", "fcp.rsp.flags.bidi_rro", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_bidi_rro_tfs), 0x20, "", HFILL }},
795 { &hf_fcp_rsp_flags_conf_req,
796 { "Conf Req", "fcp.rsp.flags.conf_req", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_conf_req_tfs), 0x10, "", HFILL }},
797 { &hf_fcp_rsp_flags_resid_under,
798 { "Resid Under", "fcp.rsp.flags.resid_under", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_resid_under_tfs), 0x08, "", HFILL }},
799 { &hf_fcp_rsp_flags_resid_over,
800 { "Resid Over", "fcp.rsp.flags.resid_over", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_resid_over_tfs), 0x04, "", HFILL }},
801 { &hf_fcp_rsp_flags_sns_vld,
802 { "SNS Vld", "fcp.rsp.flags.sns_vld", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_sns_vld_tfs), 0x02, "", HFILL }},
803 { &hf_fcp_rsp_flags_res_vld,
804 { "RES Vld", "fcp.rsp.flags.res_vld", FT_BOOLEAN, 8, TFS(&fcp_rsp_flags_res_vld_tfs), 0x01, "", HFILL }},
805 { &hf_fcp_request_in,
806 { "Request In", "fcp.request_in", FT_FRAMENUM, BASE_NONE, NULL,
807 0, "The frame number for the request", HFILL }},
808 { &hf_fcp_response_in,
809 { "Response In", "fcp.response_in", FT_FRAMENUM, BASE_NONE, NULL,
810 0, "The frame number of the response", HFILL }},
812 { "Time from FCP_CMND", "fcp.time", FT_RELATIVE_TIME, BASE_NONE, NULL,
813 0, "Time since the FCP_CMND frame", HFILL }},
816 /* Setup protocol subtree array */
817 static gint *ett[] = {
823 /* Register the protocol name and description */
824 proto_fcp = proto_register_protocol("Fibre Channel Protocol for SCSI",
827 /* Required function calls to register the header fields and subtrees used */
828 proto_register_field_array(proto_fcp, hf, array_length(hf));
829 proto_register_subtree_array(ett, array_length(ett));
830 fcp_dissector = register_dissector_table ("fcp.type", "FCP Type", FT_UINT8,
834 /* If this dissector uses sub-dissector registration add a registration routine.
835 This format is required because a script is used to find these routines and
836 create the code that calls these routines.
839 proto_reg_handoff_fcp (void)
841 dissector_handle_t fcp_handle;
843 fcp_handle = create_dissector_handle (dissect_fcp, proto_fcp);
844 dissector_add("fc.ftype", FC_FTYPE_SCSI, fcp_handle);
846 data_handle = find_dissector ("data");