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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/scsi/bfa/
1/*
2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 */
17/*
18 * fcbuild.c - FC link service frame building and parsing routines
19 */
20
21#include <bfa_os_inc.h>
22#include "fcbuild.h"
23
24/*
25 * static build functions
26 */
27static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
28			u16 ox_id);
29static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
30			u16 ox_id);
31static struct fchs_s   fc_els_req_tmpl;
32static struct fchs_s   fc_els_rsp_tmpl;
33static struct fchs_s   fc_bls_req_tmpl;
34static struct fchs_s   fc_bls_rsp_tmpl;
35static struct fc_ba_acc_s ba_acc_tmpl;
36static struct fc_logi_s plogi_tmpl;
37static struct fc_prli_s prli_tmpl;
38static struct fc_rrq_s rrq_tmpl;
39static struct fchs_s   fcp_fchs_tmpl;
40
41void
42fcbuild_init(void)
43{
44	/*
45	 * fc_els_req_tmpl
46	 */
47	fc_els_req_tmpl.routing = FC_RTG_EXT_LINK;
48	fc_els_req_tmpl.cat_info = FC_CAT_LD_REQUEST;
49	fc_els_req_tmpl.type = FC_TYPE_ELS;
50	fc_els_req_tmpl.f_ctl =
51		bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
52			      FCTL_SI_XFER);
53	fc_els_req_tmpl.rx_id = FC_RXID_ANY;
54
55	/*
56	 * fc_els_rsp_tmpl
57	 */
58	fc_els_rsp_tmpl.routing = FC_RTG_EXT_LINK;
59	fc_els_rsp_tmpl.cat_info = FC_CAT_LD_REPLY;
60	fc_els_rsp_tmpl.type = FC_TYPE_ELS;
61	fc_els_rsp_tmpl.f_ctl =
62		bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
63			      FCTL_END_SEQ | FCTL_SI_XFER);
64	fc_els_rsp_tmpl.rx_id = FC_RXID_ANY;
65
66	/*
67	 * fc_bls_req_tmpl
68	 */
69	fc_bls_req_tmpl.routing = FC_RTG_BASIC_LINK;
70	fc_bls_req_tmpl.type = FC_TYPE_BLS;
71	fc_bls_req_tmpl.f_ctl = bfa_os_hton3b(FCTL_END_SEQ | FCTL_SI_XFER);
72	fc_bls_req_tmpl.rx_id = FC_RXID_ANY;
73
74	/*
75	 * fc_bls_rsp_tmpl
76	 */
77	fc_bls_rsp_tmpl.routing = FC_RTG_BASIC_LINK;
78	fc_bls_rsp_tmpl.cat_info = FC_CAT_BA_ACC;
79	fc_bls_rsp_tmpl.type = FC_TYPE_BLS;
80	fc_bls_rsp_tmpl.f_ctl =
81		bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
82			      FCTL_END_SEQ | FCTL_SI_XFER);
83	fc_bls_rsp_tmpl.rx_id = FC_RXID_ANY;
84
85	/*
86	 * ba_acc_tmpl
87	 */
88	ba_acc_tmpl.seq_id_valid = 0;
89	ba_acc_tmpl.low_seq_cnt = 0;
90	ba_acc_tmpl.high_seq_cnt = 0xFFFF;
91
92	/*
93	 * plogi_tmpl
94	 */
95	plogi_tmpl.csp.verhi = FC_PH_VER_PH_3;
96	plogi_tmpl.csp.verlo = FC_PH_VER_4_3;
97	plogi_tmpl.csp.bbcred = bfa_os_htons(0x0004);
98	plogi_tmpl.csp.ciro = 0x1;
99	plogi_tmpl.csp.cisc = 0x0;
100	plogi_tmpl.csp.altbbcred = 0x0;
101	plogi_tmpl.csp.conseq = bfa_os_htons(0x00FF);
102	plogi_tmpl.csp.ro_bitmap = bfa_os_htons(0x0002);
103	plogi_tmpl.csp.e_d_tov = bfa_os_htonl(2000);
104
105	plogi_tmpl.class3.class_valid = 1;
106	plogi_tmpl.class3.sequential = 1;
107	plogi_tmpl.class3.conseq = 0xFF;
108	plogi_tmpl.class3.ospx = 1;
109
110	/*
111	 * prli_tmpl
112	 */
113	prli_tmpl.command = FC_ELS_PRLI;
114	prli_tmpl.pglen = 0x10;
115	prli_tmpl.pagebytes = bfa_os_htons(0x0014);
116	prli_tmpl.parampage.type = FC_TYPE_FCP;
117	prli_tmpl.parampage.imagepair = 1;
118	prli_tmpl.parampage.servparams.rxrdisab = 1;
119
120	/*
121	 * rrq_tmpl
122	 */
123	rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ;
124
125	/*
126	 * fcp_fchs_tmpl
127	 */
128	fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA;
129	fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD;
130	fcp_fchs_tmpl.type = FC_TYPE_FCP;
131	fcp_fchs_tmpl.f_ctl =
132		bfa_os_hton3b(FCTL_FS_EXCH | FCTL_END_SEQ | FCTL_SI_XFER);
133	fcp_fchs_tmpl.seq_id = 1;
134	fcp_fchs_tmpl.rx_id = FC_RXID_ANY;
135}
136
137static void
138fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
139			u32 ox_id)
140{
141	bfa_os_memset(fchs, 0, sizeof(struct fchs_s));
142
143	fchs->routing = FC_RTG_FC4_DEV_DATA;
144	fchs->cat_info = FC_CAT_UNSOLICIT_CTRL;
145	fchs->type = FC_TYPE_SERVICES;
146	fchs->f_ctl =
147		bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
148			      FCTL_SI_XFER);
149	fchs->rx_id = FC_RXID_ANY;
150	fchs->d_id = (d_id);
151	fchs->s_id = (s_id);
152	fchs->ox_id = bfa_os_htons(ox_id);
153
154	/**
155	 * @todo no need to set ox_id for request
156	 *       no need to set rx_id for response
157	 */
158}
159
160void
161fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
162			u16 ox_id)
163{
164	bfa_os_memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s));
165	fchs->d_id = (d_id);
166	fchs->s_id = (s_id);
167	fchs->ox_id = bfa_os_htons(ox_id);
168}
169
170static void
171fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
172			u16 ox_id)
173{
174	bfa_os_memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s));
175	fchs->d_id = d_id;
176	fchs->s_id = s_id;
177	fchs->ox_id = ox_id;
178}
179
180enum fc_parse_status
181fc_els_rsp_parse(struct fchs_s *fchs, int len)
182{
183	struct fc_els_cmd_s   *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
184	struct fc_ls_rjt_s    *ls_rjt = (struct fc_ls_rjt_s *) els_cmd;
185
186	len = len;
187
188	switch (els_cmd->els_code) {
189	case FC_ELS_LS_RJT:
190		if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
191			return FC_PARSE_BUSY;
192		else
193			return FC_PARSE_FAILURE;
194
195	case FC_ELS_ACC:
196		return FC_PARSE_OK;
197	}
198	return FC_PARSE_OK;
199}
200
201static void
202fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
203			u16 ox_id)
204{
205	bfa_os_memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s));
206	fchs->d_id = d_id;
207	fchs->s_id = s_id;
208	fchs->ox_id = ox_id;
209}
210
211static          u16
212fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
213		 u16 ox_id, wwn_t port_name, wwn_t node_name,
214		 u16 pdu_size, u8 els_code)
215{
216	struct fc_logi_s     *plogi = (struct fc_logi_s *) (pld);
217
218	bfa_os_memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s));
219
220	plogi->els_cmd.els_code = els_code;
221	if (els_code == FC_ELS_PLOGI)
222		fc_els_req_build(fchs, d_id, s_id, ox_id);
223	else
224		fc_els_rsp_build(fchs, d_id, s_id, ox_id);
225
226	plogi->csp.rxsz = plogi->class3.rxsz = bfa_os_htons(pdu_size);
227
228	bfa_os_memcpy(&plogi->port_name, &port_name, sizeof(wwn_t));
229	bfa_os_memcpy(&plogi->node_name, &node_name, sizeof(wwn_t));
230
231	return sizeof(struct fc_logi_s);
232}
233
234u16
235fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
236		u16 ox_id, wwn_t port_name, wwn_t node_name,
237		u16 pdu_size, u8 set_npiv, u8 set_auth,
238		u16 local_bb_credits)
239{
240	u32        d_id = bfa_os_hton3b(FC_FABRIC_PORT);
241	u32 	*vvl_info;
242
243	bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
244
245	flogi->els_cmd.els_code = FC_ELS_FLOGI;
246	fc_els_req_build(fchs, d_id, s_id, ox_id);
247
248	flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size);
249	flogi->port_name = port_name;
250	flogi->node_name = node_name;
251
252	/*
253	 * Set the NPIV Capability Bit ( word 1, bit 31) of Common
254	 * Service Parameters.
255	 */
256	flogi->csp.ciro = set_npiv;
257
258	/* set AUTH capability */
259	flogi->csp.security = set_auth;
260
261	flogi->csp.bbcred = bfa_os_htons(local_bb_credits);
262
263	/* Set brcd token in VVL */
264	vvl_info = (u32 *)&flogi->vvl[0];
265
266	/* set the flag to indicate the presence of VVL */
267	flogi->csp.npiv_supp    = 1; /* @todo. field name is not correct */
268	vvl_info[0]	= bfa_os_htonl(FLOGI_VVL_BRCD);
269
270	return sizeof(struct fc_logi_s);
271}
272
273u16
274fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
275		   u16 ox_id, wwn_t port_name, wwn_t node_name,
276		   u16 pdu_size, u16 local_bb_credits)
277{
278	u32        d_id = 0;
279
280	bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
281	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
282
283	flogi->els_cmd.els_code = FC_ELS_ACC;
284	flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size);
285	flogi->port_name = port_name;
286	flogi->node_name = node_name;
287
288	flogi->csp.bbcred = bfa_os_htons(local_bb_credits);
289
290	return sizeof(struct fc_logi_s);
291}
292
293u16
294fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
295		u16 ox_id, wwn_t port_name, wwn_t node_name,
296		u16 pdu_size)
297{
298	u32        d_id = bfa_os_hton3b(FC_FABRIC_PORT);
299
300	bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
301
302	flogi->els_cmd.els_code = FC_ELS_FDISC;
303	fc_els_req_build(fchs, d_id, s_id, ox_id);
304
305	flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size);
306	flogi->port_name = port_name;
307	flogi->node_name = node_name;
308
309	return sizeof(struct fc_logi_s);
310}
311
312u16
313fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
314	       u16 ox_id, wwn_t port_name, wwn_t node_name,
315	       u16 pdu_size)
316{
317	return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
318				node_name, pdu_size, FC_ELS_PLOGI);
319}
320
321u16
322fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
323		   u16 ox_id, wwn_t port_name, wwn_t node_name,
324		   u16 pdu_size)
325{
326	return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
327				node_name, pdu_size, FC_ELS_ACC);
328}
329
330enum fc_parse_status
331fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
332{
333	struct fc_els_cmd_s   *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
334	struct fc_logi_s     *plogi;
335	struct fc_ls_rjt_s    *ls_rjt;
336
337	switch (els_cmd->els_code) {
338	case FC_ELS_LS_RJT:
339		ls_rjt = (struct fc_ls_rjt_s *) (fchs + 1);
340		if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
341			return FC_PARSE_BUSY;
342		else
343			return FC_PARSE_FAILURE;
344	case FC_ELS_ACC:
345		plogi = (struct fc_logi_s *) (fchs + 1);
346		if (len < sizeof(struct fc_logi_s))
347			return FC_PARSE_FAILURE;
348
349		if (!wwn_is_equal(plogi->port_name, port_name))
350			return FC_PARSE_FAILURE;
351
352		if (!plogi->class3.class_valid)
353			return FC_PARSE_FAILURE;
354
355		if (bfa_os_ntohs(plogi->class3.rxsz) < (FC_MIN_PDUSZ))
356			return FC_PARSE_FAILURE;
357
358		return FC_PARSE_OK;
359	default:
360		return FC_PARSE_FAILURE;
361	}
362}
363
364enum fc_parse_status
365fc_plogi_parse(struct fchs_s *fchs)
366{
367	struct fc_logi_s     *plogi = (struct fc_logi_s *) (fchs + 1);
368
369	if (plogi->class3.class_valid != 1)
370		return FC_PARSE_FAILURE;
371
372	if ((bfa_os_ntohs(plogi->class3.rxsz) < FC_MIN_PDUSZ)
373	    || (bfa_os_ntohs(plogi->class3.rxsz) > FC_MAX_PDUSZ)
374	    || (plogi->class3.rxsz == 0))
375		return FC_PARSE_FAILURE;
376
377	return FC_PARSE_OK;
378}
379
380u16
381fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
382	      u16 ox_id)
383{
384	struct fc_prli_s      *prli = (struct fc_prli_s *) (pld);
385
386	fc_els_req_build(fchs, d_id, s_id, ox_id);
387	bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
388
389	prli->command = FC_ELS_PRLI;
390	prli->parampage.servparams.initiator     = 1;
391	prli->parampage.servparams.retry         = 1;
392	prli->parampage.servparams.rec_support   = 1;
393	prli->parampage.servparams.task_retry_id = 0;
394	prli->parampage.servparams.confirm       = 1;
395
396	return sizeof(struct fc_prli_s);
397}
398
399u16
400fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
401		  u16 ox_id, enum bfa_port_role role)
402{
403	struct fc_prli_s      *prli = (struct fc_prli_s *) (pld);
404
405	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
406	bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
407
408	prli->command = FC_ELS_ACC;
409
410	if ((role & BFA_PORT_ROLE_FCP_TM) == BFA_PORT_ROLE_FCP_TM)
411		prli->parampage.servparams.target = 1;
412	else
413		prli->parampage.servparams.initiator = 1;
414
415	prli->parampage.rspcode = FC_PRLI_ACC_XQTD;
416
417	return sizeof(struct fc_prli_s);
418}
419
420enum fc_parse_status
421fc_prli_rsp_parse(struct fc_prli_s *prli, int len)
422{
423	if (len < sizeof(struct fc_prli_s))
424		return FC_PARSE_FAILURE;
425
426	if (prli->command != FC_ELS_ACC)
427		return FC_PARSE_FAILURE;
428
429	if ((prli->parampage.rspcode != FC_PRLI_ACC_XQTD)
430	    && (prli->parampage.rspcode != FC_PRLI_ACC_PREDEF_IMG))
431		return FC_PARSE_FAILURE;
432
433	if (prli->parampage.servparams.target != 1)
434		return FC_PARSE_FAILURE;
435
436	return FC_PARSE_OK;
437}
438
439enum fc_parse_status
440fc_prli_parse(struct fc_prli_s *prli)
441{
442	if (prli->parampage.type != FC_TYPE_FCP)
443		return FC_PARSE_FAILURE;
444
445	if (!prli->parampage.imagepair)
446		return FC_PARSE_FAILURE;
447
448	if (!prli->parampage.servparams.initiator)
449		return FC_PARSE_FAILURE;
450
451	return FC_PARSE_OK;
452}
453
454u16
455fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id,
456			u32 s_id, u16 ox_id, wwn_t port_name)
457{
458	fc_els_req_build(fchs, d_id, s_id, ox_id);
459
460	memset(logo, '\0', sizeof(struct fc_logo_s));
461	logo->els_cmd.els_code = FC_ELS_LOGO;
462	logo->nport_id = (s_id);
463	logo->orig_port_name = port_name;
464
465	return sizeof(struct fc_logo_s);
466}
467
468static          u16
469fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
470		 u32 s_id, u16 ox_id, wwn_t port_name,
471		 wwn_t node_name, u8 els_code)
472{
473	memset(adisc, '\0', sizeof(struct fc_adisc_s));
474
475	adisc->els_cmd.els_code = els_code;
476
477	if (els_code == FC_ELS_ADISC)
478		fc_els_req_build(fchs, d_id, s_id, ox_id);
479	else
480		fc_els_rsp_build(fchs, d_id, s_id, ox_id);
481
482	adisc->orig_HA = 0;
483	adisc->orig_port_name = port_name;
484	adisc->orig_node_name = node_name;
485	adisc->nport_id = (s_id);
486
487	return sizeof(struct fc_adisc_s);
488}
489
490u16
491fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
492		u32 s_id, u16 ox_id, wwn_t port_name,
493		wwn_t node_name)
494{
495	return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
496				node_name, FC_ELS_ADISC);
497}
498
499u16
500fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
501		   u32 s_id, u16 ox_id, wwn_t port_name,
502		   wwn_t node_name)
503{
504	return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
505				node_name, FC_ELS_ACC);
506}
507
508enum fc_parse_status
509fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name,
510				 wwn_t node_name)
511{
512
513	if (len < sizeof(struct fc_adisc_s))
514		return FC_PARSE_FAILURE;
515
516	if (adisc->els_cmd.els_code != FC_ELS_ACC)
517		return FC_PARSE_FAILURE;
518
519	if (!wwn_is_equal(adisc->orig_port_name, port_name))
520		return FC_PARSE_FAILURE;
521
522	return FC_PARSE_OK;
523}
524
525enum fc_parse_status
526fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap,
527		 wwn_t node_name, wwn_t port_name)
528{
529	struct fc_adisc_s     *adisc = (struct fc_adisc_s *) pld;
530
531	if (adisc->els_cmd.els_code != FC_ELS_ACC)
532		return FC_PARSE_FAILURE;
533
534	if ((adisc->nport_id == (host_dap))
535	    && wwn_is_equal(adisc->orig_port_name, port_name)
536	    && wwn_is_equal(adisc->orig_node_name, node_name))
537		return FC_PARSE_OK;
538
539	return FC_PARSE_FAILURE;
540}
541
542enum fc_parse_status
543fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name)
544{
545	struct fc_logi_s     *pdisc = (struct fc_logi_s *) (fchs + 1);
546
547	if (pdisc->class3.class_valid != 1)
548		return FC_PARSE_FAILURE;
549
550	if ((bfa_os_ntohs(pdisc->class3.rxsz) <
551		 (FC_MIN_PDUSZ - sizeof(struct fchs_s)))
552	    || (pdisc->class3.rxsz == 0))
553		return FC_PARSE_FAILURE;
554
555	if (!wwn_is_equal(pdisc->port_name, port_name))
556		return FC_PARSE_FAILURE;
557
558	if (!wwn_is_equal(pdisc->node_name, node_name))
559		return FC_PARSE_FAILURE;
560
561	return FC_PARSE_OK;
562}
563
564u16
565fc_abts_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id)
566{
567	bfa_os_memcpy(fchs, &fc_bls_req_tmpl, sizeof(struct fchs_s));
568	fchs->cat_info = FC_CAT_ABTS;
569	fchs->d_id = (d_id);
570	fchs->s_id = (s_id);
571	fchs->ox_id = bfa_os_htons(ox_id);
572
573	return sizeof(struct fchs_s);
574}
575
576enum fc_parse_status
577fc_abts_rsp_parse(struct fchs_s *fchs, int len)
578{
579	if ((fchs->cat_info == FC_CAT_BA_ACC)
580	    || (fchs->cat_info == FC_CAT_BA_RJT))
581		return FC_PARSE_OK;
582
583	return FC_PARSE_FAILURE;
584}
585
586u16
587fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id,
588			 u32 s_id, u16 ox_id, u16 rrq_oxid)
589{
590	fc_els_req_build(fchs, d_id, s_id, ox_id);
591
592	/*
593	 * build rrq payload
594	 */
595	bfa_os_memcpy(rrq, &rrq_tmpl, sizeof(struct fc_rrq_s));
596	rrq->s_id = (s_id);
597	rrq->ox_id = bfa_os_htons(rrq_oxid);
598	rrq->rx_id = FC_RXID_ANY;
599
600	return sizeof(struct fc_rrq_s);
601}
602
603u16
604fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
605		  u16 ox_id)
606{
607	struct fc_els_cmd_s   *acc = pld;
608
609	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
610
611	memset(acc, 0, sizeof(struct fc_els_cmd_s));
612	acc->els_code = FC_ELS_ACC;
613
614	return sizeof(struct fc_els_cmd_s);
615}
616
617u16
618fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id,
619		u32 s_id, u16 ox_id, u8 reason_code,
620		u8 reason_code_expl)
621{
622	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
623	memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s));
624
625	ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT;
626	ls_rjt->reason_code = reason_code;
627	ls_rjt->reason_code_expl = reason_code_expl;
628	ls_rjt->vendor_unique = 0x00;
629
630	return sizeof(struct fc_ls_rjt_s);
631}
632
633u16
634fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
635		u32 s_id, u16 ox_id, u16 rx_id)
636{
637	fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
638
639	bfa_os_memcpy(ba_acc, &ba_acc_tmpl, sizeof(struct fc_ba_acc_s));
640
641	fchs->rx_id = rx_id;
642
643	ba_acc->ox_id = fchs->ox_id;
644	ba_acc->rx_id = fchs->rx_id;
645
646	return sizeof(struct fc_ba_acc_s);
647}
648
649u16
650fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
651			u32 d_id, u32 s_id, u16 ox_id)
652{
653	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
654	memset(els_cmd, 0, sizeof(struct fc_els_cmd_s));
655	els_cmd->els_code = FC_ELS_ACC;
656
657	return sizeof(struct fc_els_cmd_s);
658}
659
660int
661fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code)
662{
663	int             num_pages = 0;
664	struct fc_prlo_s      *prlo;
665	struct fc_tprlo_s     *tprlo;
666
667	if (els_code == FC_ELS_PRLO) {
668		prlo = (struct fc_prlo_s *) (fc_frame + 1);
669		num_pages = (bfa_os_ntohs(prlo->payload_len) - 4) / 16;
670	} else {
671		tprlo = (struct fc_tprlo_s *) (fc_frame + 1);
672		num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16;
673	}
674	return num_pages;
675}
676
677u16
678fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
679			u32 d_id, u32 s_id, u16 ox_id,
680			int num_pages)
681{
682	int             page;
683
684	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
685
686	memset(tprlo_acc, 0, (num_pages * 16) + 4);
687	tprlo_acc->command = FC_ELS_ACC;
688
689	tprlo_acc->page_len = 0x10;
690	tprlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4);
691
692	for (page = 0; page < num_pages; page++) {
693		tprlo_acc->tprlo_acc_params[page].opa_valid = 0;
694		tprlo_acc->tprlo_acc_params[page].rpa_valid = 0;
695		tprlo_acc->tprlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
696		tprlo_acc->tprlo_acc_params[page].orig_process_assc = 0;
697		tprlo_acc->tprlo_acc_params[page].resp_process_assc = 0;
698	}
699	return bfa_os_ntohs(tprlo_acc->payload_len);
700}
701
702u16
703fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
704			u32 d_id, u32 s_id, u16 ox_id,
705			int num_pages)
706{
707	int             page;
708
709	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
710
711	memset(prlo_acc, 0, (num_pages * 16) + 4);
712	prlo_acc->command = FC_ELS_ACC;
713	prlo_acc->page_len = 0x10;
714	prlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4);
715
716	for (page = 0; page < num_pages; page++) {
717		prlo_acc->prlo_acc_params[page].opa_valid = 0;
718		prlo_acc->prlo_acc_params[page].rpa_valid = 0;
719		prlo_acc->prlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
720		prlo_acc->prlo_acc_params[page].orig_process_assc = 0;
721		prlo_acc->prlo_acc_params[page].resp_process_assc = 0;
722	}
723
724	return bfa_os_ntohs(prlo_acc->payload_len);
725}
726
727u16
728fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id,
729			u32 s_id, u16 ox_id, u32 data_format)
730{
731	fc_els_req_build(fchs, d_id, s_id, ox_id);
732
733	memset(rnid, 0, sizeof(struct fc_rnid_cmd_s));
734
735	rnid->els_cmd.els_code = FC_ELS_RNID;
736	rnid->node_id_data_format = data_format;
737
738	return sizeof(struct fc_rnid_cmd_s);
739}
740
741u16
742fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc,
743			u32 d_id, u32 s_id, u16 ox_id,
744			u32 data_format,
745			struct fc_rnid_common_id_data_s *common_id_data,
746			struct fc_rnid_general_topology_data_s *gen_topo_data)
747{
748	memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s));
749
750	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
751
752	rnid_acc->els_cmd.els_code = FC_ELS_ACC;
753	rnid_acc->node_id_data_format = data_format;
754	rnid_acc->common_id_data_length =
755			sizeof(struct fc_rnid_common_id_data_s);
756	rnid_acc->common_id_data = *common_id_data;
757
758	if (data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
759		rnid_acc->specific_id_data_length =
760			sizeof(struct fc_rnid_general_topology_data_s);
761		bfa_os_assign(rnid_acc->gen_topology_data, *gen_topo_data);
762		return sizeof(struct fc_rnid_acc_s);
763	} else {
764		return sizeof(struct fc_rnid_acc_s) -
765			sizeof(struct fc_rnid_general_topology_data_s);
766	}
767
768}
769
770u16
771fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id,
772			u32 s_id, u16 ox_id)
773{
774	fc_els_req_build(fchs, d_id, s_id, ox_id);
775
776	memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s));
777
778	rpsc->els_cmd.els_code = FC_ELS_RPSC;
779	return sizeof(struct fc_rpsc_cmd_s);
780}
781
782u16
783fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2,
784			u32 d_id, u32 s_id, u32 *pid_list,
785			u16 npids)
786{
787	u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_os_hton3b(d_id));
788	int i = 0;
789
790	fc_els_req_build(fchs, bfa_os_hton3b(dctlr_id), s_id, 0);
791
792	memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s));
793
794	rpsc2->els_cmd.els_code = FC_ELS_RPSC;
795	rpsc2->token = bfa_os_htonl(FC_BRCD_TOKEN);
796	rpsc2->num_pids  = bfa_os_htons(npids);
797	for (i = 0; i < npids; i++)
798		rpsc2->pid_list[i].pid = pid_list[i];
799
800	return sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) *
801			(sizeof(u32)));
802}
803
804u16
805fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc,
806			u32 d_id, u32 s_id, u16 ox_id,
807			struct fc_rpsc_speed_info_s *oper_speed)
808{
809	memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s));
810
811	fc_els_rsp_build(fchs, d_id, s_id, ox_id);
812
813	rpsc_acc->command = FC_ELS_ACC;
814	rpsc_acc->num_entries = bfa_os_htons(1);
815
816	rpsc_acc->speed_info[0].port_speed_cap =
817		bfa_os_htons(oper_speed->port_speed_cap);
818
819	rpsc_acc->speed_info[0].port_op_speed =
820		bfa_os_htons(oper_speed->port_op_speed);
821
822	return sizeof(struct fc_rpsc_acc_s);
823
824}
825
826/*
827 * TBD -
828 * . get rid of unnecessary memsets
829 */
830
831u16
832fc_logo_rsp_parse(struct fchs_s *fchs, int len)
833{
834	struct fc_els_cmd_s   *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
835
836	len = len;
837	if (els_cmd->els_code != FC_ELS_ACC)
838		return FC_PARSE_FAILURE;
839
840	return FC_PARSE_OK;
841}
842
843u16
844fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
845			u16 ox_id, wwn_t port_name, wwn_t node_name,
846			u16 pdu_size)
847{
848	struct fc_logi_s     *pdisc = (struct fc_logi_s *) (fchs + 1);
849
850	bfa_os_memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s));
851
852	pdisc->els_cmd.els_code = FC_ELS_PDISC;
853	fc_els_req_build(fchs, d_id, s_id, ox_id);
854
855	pdisc->csp.rxsz = pdisc->class3.rxsz = bfa_os_htons(pdu_size);
856	pdisc->port_name = port_name;
857	pdisc->node_name = node_name;
858
859	return sizeof(struct fc_logi_s);
860}
861
862u16
863fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
864{
865	struct fc_logi_s     *pdisc = (struct fc_logi_s *) (fchs + 1);
866
867	if (len < sizeof(struct fc_logi_s))
868		return FC_PARSE_LEN_INVAL;
869
870	if (pdisc->els_cmd.els_code != FC_ELS_ACC)
871		return FC_PARSE_ACC_INVAL;
872
873	if (!wwn_is_equal(pdisc->port_name, port_name))
874		return FC_PARSE_PWWN_NOT_EQUAL;
875
876	if (!pdisc->class3.class_valid)
877		return FC_PARSE_NWWN_NOT_EQUAL;
878
879	if (bfa_os_ntohs(pdisc->class3.rxsz) < (FC_MIN_PDUSZ))
880		return FC_PARSE_RXSZ_INVAL;
881
882	return FC_PARSE_OK;
883}
884
885u16
886fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
887	      int num_pages)
888{
889	struct fc_prlo_s      *prlo = (struct fc_prlo_s *) (fchs + 1);
890	int             page;
891
892	fc_els_req_build(fchs, d_id, s_id, ox_id);
893	memset(prlo, 0, (num_pages * 16) + 4);
894	prlo->command = FC_ELS_PRLO;
895	prlo->page_len = 0x10;
896	prlo->payload_len = bfa_os_htons((num_pages * 16) + 4);
897
898	for (page = 0; page < num_pages; page++) {
899		prlo->prlo_params[page].type = FC_TYPE_FCP;
900		prlo->prlo_params[page].opa_valid = 0;
901		prlo->prlo_params[page].rpa_valid = 0;
902		prlo->prlo_params[page].orig_process_assc = 0;
903		prlo->prlo_params[page].resp_process_assc = 0;
904	}
905
906	return bfa_os_ntohs(prlo->payload_len);
907}
908
909u16
910fc_prlo_rsp_parse(struct fchs_s *fchs, int len)
911{
912	struct fc_prlo_acc_s  *prlo = (struct fc_prlo_acc_s *) (fchs + 1);
913	int             num_pages = 0;
914	int             page = 0;
915
916	len = len;
917
918	if (prlo->command != FC_ELS_ACC)
919		return FC_PARSE_FAILURE;
920
921	num_pages = ((bfa_os_ntohs(prlo->payload_len)) - 4) / 16;
922
923	for (page = 0; page < num_pages; page++) {
924		if (prlo->prlo_acc_params[page].type != FC_TYPE_FCP)
925			return FC_PARSE_FAILURE;
926
927		if (prlo->prlo_acc_params[page].opa_valid != 0)
928			return FC_PARSE_FAILURE;
929
930		if (prlo->prlo_acc_params[page].rpa_valid != 0)
931			return FC_PARSE_FAILURE;
932
933		if (prlo->prlo_acc_params[page].orig_process_assc != 0)
934			return FC_PARSE_FAILURE;
935
936		if (prlo->prlo_acc_params[page].resp_process_assc != 0)
937			return FC_PARSE_FAILURE;
938	}
939	return FC_PARSE_OK;
940
941}
942
943u16
944fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
945			u16 ox_id, int num_pages,
946			enum fc_tprlo_type tprlo_type, u32 tpr_id)
947{
948	struct fc_tprlo_s     *tprlo = (struct fc_tprlo_s *) (fchs + 1);
949	int             page;
950
951	fc_els_req_build(fchs, d_id, s_id, ox_id);
952	memset(tprlo, 0, (num_pages * 16) + 4);
953	tprlo->command = FC_ELS_TPRLO;
954	tprlo->page_len = 0x10;
955	tprlo->payload_len = bfa_os_htons((num_pages * 16) + 4);
956
957	for (page = 0; page < num_pages; page++) {
958		tprlo->tprlo_params[page].type = FC_TYPE_FCP;
959		tprlo->tprlo_params[page].opa_valid = 0;
960		tprlo->tprlo_params[page].rpa_valid = 0;
961		tprlo->tprlo_params[page].orig_process_assc = 0;
962		tprlo->tprlo_params[page].resp_process_assc = 0;
963		if (tprlo_type == FC_GLOBAL_LOGO) {
964			tprlo->tprlo_params[page].global_process_logout = 1;
965		} else if (tprlo_type == FC_TPR_LOGO) {
966			tprlo->tprlo_params[page].tpo_nport_valid = 1;
967			tprlo->tprlo_params[page].tpo_nport_id = (tpr_id);
968		}
969	}
970
971	return bfa_os_ntohs(tprlo->payload_len);
972}
973
974u16
975fc_tprlo_rsp_parse(struct fchs_s *fchs, int len)
976{
977	struct fc_tprlo_acc_s *tprlo = (struct fc_tprlo_acc_s *) (fchs + 1);
978	int             num_pages = 0;
979	int             page = 0;
980
981	len = len;
982
983	if (tprlo->command != FC_ELS_ACC)
984		return FC_PARSE_ACC_INVAL;
985
986	num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16;
987
988	for (page = 0; page < num_pages; page++) {
989		if (tprlo->tprlo_acc_params[page].type != FC_TYPE_FCP)
990			return FC_PARSE_NOT_FCP;
991		if (tprlo->tprlo_acc_params[page].opa_valid != 0)
992			return FC_PARSE_OPAFLAG_INVAL;
993		if (tprlo->tprlo_acc_params[page].rpa_valid != 0)
994			return FC_PARSE_RPAFLAG_INVAL;
995		if (tprlo->tprlo_acc_params[page].orig_process_assc != 0)
996			return FC_PARSE_OPA_INVAL;
997		if (tprlo->tprlo_acc_params[page].resp_process_assc != 0)
998			return FC_PARSE_RPA_INVAL;
999	}
1000	return FC_PARSE_OK;
1001}
1002
1003enum fc_parse_status
1004fc_rrq_rsp_parse(struct fchs_s *fchs, int len)
1005{
1006	struct fc_els_cmd_s   *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
1007
1008	len = len;
1009	if (els_cmd->els_code != FC_ELS_ACC)
1010		return FC_PARSE_FAILURE;
1011
1012	return FC_PARSE_OK;
1013}
1014
1015u16
1016fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
1017			u16 ox_id, u32 reason_code,
1018			u32 reason_expl)
1019{
1020	struct fc_ba_rjt_s    *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1);
1021
1022	fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
1023
1024	fchs->cat_info = FC_CAT_BA_RJT;
1025	ba_rjt->reason_code = reason_code;
1026	ba_rjt->reason_expl = reason_expl;
1027	return sizeof(struct fc_ba_rjt_s);
1028}
1029
1030static void
1031fc_gs_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1032{
1033	bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s));
1034	cthdr->rev_id = CT_GS3_REVISION;
1035	cthdr->gs_type = CT_GSTYPE_DIRSERVICE;
1036	cthdr->gs_sub_type = CT_GSSUBTYPE_NAMESERVER;
1037	cthdr->cmd_rsp_code = bfa_os_htons(cmd_code);
1038}
1039
1040static void
1041fc_gs_fdmi_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1042{
1043	bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s));
1044	cthdr->rev_id = CT_GS3_REVISION;
1045	cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1046	cthdr->gs_sub_type = CT_GSSUBTYPE_HBA_MGMTSERVER;
1047	cthdr->cmd_rsp_code = bfa_os_htons(cmd_code);
1048}
1049
1050static void
1051fc_gs_ms_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code,
1052					 u8 sub_type)
1053{
1054	bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s));
1055	cthdr->rev_id = CT_GS3_REVISION;
1056	cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1057	cthdr->gs_sub_type = sub_type;
1058	cthdr->cmd_rsp_code = bfa_os_htons(cmd_code);
1059}
1060
1061u16
1062fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1063	       wwn_t port_name)
1064{
1065
1066	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1067	struct fcgs_gidpn_req_s *gidpn =
1068			(struct fcgs_gidpn_req_s *) (cthdr + 1);
1069	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1070
1071	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1072	fc_gs_cthdr_build(cthdr, s_id, GS_GID_PN);
1073
1074	bfa_os_memset(gidpn, 0, sizeof(struct fcgs_gidpn_req_s));
1075	gidpn->port_name = port_name;
1076	return sizeof(struct fcgs_gidpn_req_s) + sizeof(struct ct_hdr_s);
1077}
1078
1079u16
1080fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1081	       u32 port_id)
1082{
1083
1084	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1085	fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1);
1086	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1087
1088	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1089	fc_gs_cthdr_build(cthdr, s_id, GS_GPN_ID);
1090
1091	bfa_os_memset(gpnid, 0, sizeof(fcgs_gpnid_req_t));
1092	gpnid->dap = port_id;
1093	return sizeof(fcgs_gpnid_req_t) + sizeof(struct ct_hdr_s);
1094}
1095
1096u16
1097fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1098	       u32 port_id)
1099{
1100
1101	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1102	fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1);
1103	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1104
1105	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1106	fc_gs_cthdr_build(cthdr, s_id, GS_GNN_ID);
1107
1108	bfa_os_memset(gnnid, 0, sizeof(fcgs_gnnid_req_t));
1109	gnnid->dap = port_id;
1110	return sizeof(fcgs_gnnid_req_t) + sizeof(struct ct_hdr_s);
1111}
1112
1113u16
1114fc_ct_rsp_parse(struct ct_hdr_s *cthdr)
1115{
1116	if (bfa_os_ntohs(cthdr->cmd_rsp_code) != CT_RSP_ACCEPT) {
1117		if (cthdr->reason_code == CT_RSN_LOGICAL_BUSY)
1118			return FC_PARSE_BUSY;
1119		else
1120			return FC_PARSE_FAILURE;
1121	}
1122
1123	return FC_PARSE_OK;
1124}
1125
1126u16
1127fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, u8 set_br_reg,
1128			u32 s_id, u16 ox_id)
1129{
1130	u32        d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER);
1131
1132	fc_els_req_build(fchs, d_id, s_id, ox_id);
1133
1134	bfa_os_memset(scr, 0, sizeof(struct fc_scr_s));
1135	scr->command = FC_ELS_SCR;
1136	scr->reg_func = FC_SCR_REG_FUNC_FULL;
1137	if (set_br_reg)
1138		scr->vu_reg_func = FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE;
1139
1140	return sizeof(struct fc_scr_s);
1141}
1142
1143u16
1144fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id,
1145			u16 ox_id)
1146{
1147	u32        d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER);
1148	u16        payldlen;
1149
1150	fc_els_req_build(fchs, d_id, s_id, ox_id);
1151	rscn->command = FC_ELS_RSCN;
1152	rscn->pagelen = sizeof(rscn->event[0]);
1153
1154	payldlen = sizeof(u32) + rscn->pagelen;
1155	rscn->payldlen = bfa_os_htons(payldlen);
1156
1157	rscn->event[0].format = FC_RSCN_FORMAT_PORTID;
1158	rscn->event[0].portid = s_id;
1159
1160	return sizeof(struct fc_rscn_pl_s);
1161}
1162
1163u16
1164fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1165	       enum bfa_port_role roles)
1166{
1167	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1168	struct fcgs_rftid_req_s *rftid =
1169			(struct fcgs_rftid_req_s *) (cthdr + 1);
1170	u32        type_value, d_id = bfa_os_hton3b(FC_NAME_SERVER);
1171	u8         index;
1172
1173	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1174	fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1175
1176	bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1177
1178	rftid->dap = s_id;
1179
1180	/* By default, FCP FC4 Type is registered */
1181	index = FC_TYPE_FCP >> 5;
1182	type_value = 1 << (FC_TYPE_FCP % 32);
1183	rftid->fc4_type[index] = bfa_os_htonl(type_value);
1184
1185	if (roles & BFA_PORT_ROLE_FCP_IPFC) {
1186		index = FC_TYPE_IP >> 5;
1187		type_value = 1 << (FC_TYPE_IP % 32);
1188		rftid->fc4_type[index] |= bfa_os_htonl(type_value);
1189	}
1190
1191	return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1192}
1193
1194u16
1195fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
1196			u16 ox_id, u8 *fc4_bitmap,
1197			u32 bitmap_size)
1198{
1199	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1200	struct fcgs_rftid_req_s *rftid =
1201			(struct fcgs_rftid_req_s *) (cthdr + 1);
1202	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1203
1204	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1205	fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1206
1207	bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1208
1209	rftid->dap = s_id;
1210	bfa_os_memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap,
1211			(bitmap_size < 32 ? bitmap_size : 32));
1212
1213	return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1214}
1215
1216u16
1217fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1218	       u8 fc4_type, u8 fc4_ftrs)
1219{
1220	struct ct_hdr_s         *cthdr = (struct ct_hdr_s *) pyld;
1221	struct fcgs_rffid_req_s *rffid =
1222			(struct fcgs_rffid_req_s *) (cthdr + 1);
1223	u32         d_id = bfa_os_hton3b(FC_NAME_SERVER);
1224
1225	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1226	fc_gs_cthdr_build(cthdr, s_id, GS_RFF_ID);
1227
1228	bfa_os_memset(rffid, 0, sizeof(struct fcgs_rffid_req_s));
1229
1230	rffid->dap 		 	= s_id;
1231	rffid->fc4ftr_bits  = fc4_ftrs;
1232	rffid->fc4_type		= fc4_type;
1233
1234	return sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s);
1235}
1236
1237u16
1238fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1239		u8 *name)
1240{
1241
1242	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1243	struct fcgs_rspnid_req_s *rspnid =
1244			(struct fcgs_rspnid_req_s *) (cthdr + 1);
1245	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1246
1247	fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1248	fc_gs_cthdr_build(cthdr, s_id, GS_RSPN_ID);
1249
1250	bfa_os_memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s));
1251
1252	rspnid->dap = s_id;
1253	rspnid->spn_len = (u8) strlen((char *)name);
1254	strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len);
1255
1256	return sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s);
1257}
1258
1259u16
1260fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id,
1261			u8 fc4_type)
1262{
1263
1264	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1265	struct fcgs_gidft_req_s *gidft =
1266			(struct fcgs_gidft_req_s *) (cthdr + 1);
1267	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1268
1269	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1270
1271	fc_gs_cthdr_build(cthdr, s_id, GS_GID_FT);
1272
1273	bfa_os_memset(gidft, 0, sizeof(struct fcgs_gidft_req_s));
1274	gidft->fc4_type = fc4_type;
1275	gidft->domain_id = 0;
1276	gidft->area_id = 0;
1277
1278	return sizeof(struct fcgs_gidft_req_s) + sizeof(struct ct_hdr_s);
1279}
1280
1281u16
1282fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1283	       wwn_t port_name)
1284{
1285	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1286	struct fcgs_rpnid_req_s *rpnid =
1287			(struct fcgs_rpnid_req_s *) (cthdr + 1);
1288	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1289
1290	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1291	fc_gs_cthdr_build(cthdr, s_id, GS_RPN_ID);
1292
1293	bfa_os_memset(rpnid, 0, sizeof(struct fcgs_rpnid_req_s));
1294	rpnid->port_id = port_id;
1295	rpnid->port_name = port_name;
1296
1297	return sizeof(struct fcgs_rpnid_req_s) + sizeof(struct ct_hdr_s);
1298}
1299
1300u16
1301fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1302	       wwn_t node_name)
1303{
1304	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1305	struct fcgs_rnnid_req_s *rnnid =
1306			(struct fcgs_rnnid_req_s *) (cthdr + 1);
1307	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1308
1309	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1310	fc_gs_cthdr_build(cthdr, s_id, GS_RNN_ID);
1311
1312	bfa_os_memset(rnnid, 0, sizeof(struct fcgs_rnnid_req_s));
1313	rnnid->port_id = port_id;
1314	rnnid->node_name = node_name;
1315
1316	return sizeof(struct fcgs_rnnid_req_s) + sizeof(struct ct_hdr_s);
1317}
1318
1319u16
1320fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1321	       u32 cos)
1322{
1323	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1324	struct fcgs_rcsid_req_s *rcsid =
1325			(struct fcgs_rcsid_req_s *) (cthdr + 1);
1326	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1327
1328	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1329	fc_gs_cthdr_build(cthdr, s_id, GS_RCS_ID);
1330
1331	bfa_os_memset(rcsid, 0, sizeof(struct fcgs_rcsid_req_s));
1332	rcsid->port_id = port_id;
1333	rcsid->cos = cos;
1334
1335	return sizeof(struct fcgs_rcsid_req_s) + sizeof(struct ct_hdr_s);
1336}
1337
1338u16
1339fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1340	       u8 port_type)
1341{
1342	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1343	struct fcgs_rptid_req_s *rptid =
1344			(struct fcgs_rptid_req_s *) (cthdr + 1);
1345	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1346
1347	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1348	fc_gs_cthdr_build(cthdr, s_id, GS_RPT_ID);
1349
1350	bfa_os_memset(rptid, 0, sizeof(struct fcgs_rptid_req_s));
1351	rptid->port_id = port_id;
1352	rptid->port_type = port_type;
1353
1354	return sizeof(struct fcgs_rptid_req_s) + sizeof(struct ct_hdr_s);
1355}
1356
1357u16
1358fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id)
1359{
1360	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1361	struct fcgs_ganxt_req_s *ganxt =
1362			(struct fcgs_ganxt_req_s *) (cthdr + 1);
1363	u32        d_id = bfa_os_hton3b(FC_NAME_SERVER);
1364
1365	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1366	fc_gs_cthdr_build(cthdr, s_id, GS_GA_NXT);
1367
1368	bfa_os_memset(ganxt, 0, sizeof(struct fcgs_ganxt_req_s));
1369	ganxt->port_id = port_id;
1370
1371	return sizeof(struct ct_hdr_s) + sizeof(struct fcgs_ganxt_req_s);
1372}
1373
1374/*
1375 * Builds fc hdr and ct hdr for FDMI requests.
1376 */
1377u16
1378fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
1379		     u16 cmd_code)
1380{
1381
1382	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1383	u32        d_id = bfa_os_hton3b(FC_MGMT_SERVER);
1384
1385	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1386	fc_gs_fdmi_cthdr_build(cthdr, s_id, cmd_code);
1387
1388	return sizeof(struct ct_hdr_s);
1389}
1390
1391/*
1392 * Given a FC4 Type, this function returns a fc4 type bitmask
1393 */
1394void
1395fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask)
1396{
1397	u8         index;
1398	u32       *ptr = (u32 *) bit_mask;
1399	u32        type_value;
1400
1401	/*
1402	 * @todo : Check for bitmask size
1403	 */
1404
1405	index = fc4_type >> 5;
1406	type_value = 1 << (fc4_type % 32);
1407	ptr[index] = bfa_os_htonl(type_value);
1408
1409}
1410
1411/*
1412 * GMAL Request
1413 */
1414u16
1415fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1416{
1417	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1418	fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1);
1419	u32        d_id = bfa_os_hton3b(FC_MGMT_SERVER);
1420
1421	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1422	fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GMAL_CMD,
1423			CT_GSSUBTYPE_CFGSERVER);
1424
1425	bfa_os_memset(gmal, 0, sizeof(fcgs_gmal_req_t));
1426	gmal->wwn = wwn;
1427
1428	return sizeof(struct ct_hdr_s) + sizeof(fcgs_gmal_req_t);
1429}
1430
1431/*
1432 * GFN (Get Fabric Name) Request
1433 */
1434u16
1435fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1436{
1437	struct ct_hdr_s       *cthdr = (struct ct_hdr_s *) pyld;
1438	fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1);
1439	u32        d_id = bfa_os_hton3b(FC_MGMT_SERVER);
1440
1441	fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1442	fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GFN_CMD,
1443			CT_GSSUBTYPE_CFGSERVER);
1444
1445	bfa_os_memset(gfn, 0, sizeof(fcgs_gfn_req_t));
1446	gfn->wwn = wwn;
1447
1448	return sizeof(struct ct_hdr_s) + sizeof(fcgs_gfn_req_t);
1449}
1450