1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4  * Copyright (c) 2014- QLogic Corporation.
5  * All rights reserved
6  * www.qlogic.com
7  *
8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9  */
10 
11 #include "bfad_drv.h"
12 #include "bfad_im.h"
13 #include "bfa_fcs.h"
14 #include "bfa_fcbuild.h"
15 #include "bfa_fc.h"
16 
17 BFA_TRC_FILE(FCS, PORT);
18 
19 /*
20  * ALPA to LIXA bitmap mapping
21  *
22  * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
23  * is for L_bit (login required) and is filled as ALPA 0x00 here.
24  */
25 static const u8 loop_alpa_map[] = {
26 	0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
27 	0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
28 	0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
29 	0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
30 
31 	0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
32 	0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
33 	0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
34 	0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
35 
36 	0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
37 	0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
38 	0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
39 	0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
40 
41 	0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
42 	0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
43 	0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
44 	0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
45 };
46 
47 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
48 					 struct fchs_s *rx_fchs, u8 reason_code,
49 					 u8 reason_code_expl);
50 static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
51 			struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
52 static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
53 static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
54 static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
55 static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
56 static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
57 static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
58 static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
59 			struct fchs_s *rx_fchs,
60 			struct fc_echo_s *echo, u16 len);
61 static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
62 			struct fchs_s *rx_fchs,
63 			struct fc_rnid_cmd_s *rnid, u16 len);
64 static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
65 			struct fc_rnid_general_topology_data_s *gen_topo_data);
66 
67 static void	bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
68 static void	bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
69 static void	bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
70 
71 static void	bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
72 static void	bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
73 static void	bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
74 
75 static void	bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
76 static void	bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
77 static void	bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
78 
79 static struct {
80 	void		(*init) (struct bfa_fcs_lport_s *port);
81 	void		(*online) (struct bfa_fcs_lport_s *port);
82 	void		(*offline) (struct bfa_fcs_lport_s *port);
83 } __port_action[] = {
84 	[BFA_FCS_FABRIC_UNKNOWN] = {
85 		.init = bfa_fcs_lport_unknown_init,
86 		.online = bfa_fcs_lport_unknown_online,
87 		.offline = bfa_fcs_lport_unknown_offline
88 	},
89 	[BFA_FCS_FABRIC_SWITCHED] = {
90 		.init = bfa_fcs_lport_fab_init,
91 		.online = bfa_fcs_lport_fab_online,
92 		.offline = bfa_fcs_lport_fab_offline
93 	},
94 	[BFA_FCS_FABRIC_N2N] = {
95 		.init = bfa_fcs_lport_n2n_init,
96 		.online = bfa_fcs_lport_n2n_online,
97 		.offline = bfa_fcs_lport_n2n_offline
98 	},
99 	[BFA_FCS_FABRIC_LOOP] = {
100 		.init = bfa_fcs_lport_loop_init,
101 		.online = bfa_fcs_lport_loop_online,
102 		.offline = bfa_fcs_lport_loop_offline
103 	},
104 };
105 
106 /*
107  *  fcs_port_sm FCS logical port state machine
108  */
109 
110 enum bfa_fcs_lport_event {
111 	BFA_FCS_PORT_SM_CREATE = 1,
112 	BFA_FCS_PORT_SM_ONLINE = 2,
113 	BFA_FCS_PORT_SM_OFFLINE = 3,
114 	BFA_FCS_PORT_SM_DELETE = 4,
115 	BFA_FCS_PORT_SM_DELRPORT = 5,
116 	BFA_FCS_PORT_SM_STOP = 6,
117 };
118 
119 static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
120 					enum bfa_fcs_lport_event event);
121 static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
122 					enum bfa_fcs_lport_event event);
123 static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
124 					enum bfa_fcs_lport_event event);
125 static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
126 					enum bfa_fcs_lport_event event);
127 static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
128 					enum bfa_fcs_lport_event event);
129 static void	bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
130 					enum bfa_fcs_lport_event event);
131 
132 static void
bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)133 bfa_fcs_lport_sm_uninit(
134 	struct bfa_fcs_lport_s *port,
135 	enum bfa_fcs_lport_event event)
136 {
137 	bfa_trc(port->fcs, port->port_cfg.pwwn);
138 	bfa_trc(port->fcs, event);
139 
140 	switch (event) {
141 	case BFA_FCS_PORT_SM_CREATE:
142 		bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
143 		break;
144 
145 	default:
146 		bfa_sm_fault(port->fcs, event);
147 	}
148 }
149 
150 static void
bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)151 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
152 			enum bfa_fcs_lport_event event)
153 {
154 	bfa_trc(port->fcs, port->port_cfg.pwwn);
155 	bfa_trc(port->fcs, event);
156 
157 	switch (event) {
158 	case BFA_FCS_PORT_SM_ONLINE:
159 		bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
160 		bfa_fcs_lport_online_actions(port);
161 		break;
162 
163 	case BFA_FCS_PORT_SM_DELETE:
164 		bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
165 		bfa_fcs_lport_deleted(port);
166 		break;
167 
168 	case BFA_FCS_PORT_SM_STOP:
169 		/* If vport - send completion call back */
170 		if (port->vport)
171 			bfa_fcs_vport_stop_comp(port->vport);
172 		else
173 			bfa_wc_down(&(port->fabric->stop_wc));
174 		break;
175 
176 	case BFA_FCS_PORT_SM_OFFLINE:
177 		break;
178 
179 	default:
180 		bfa_sm_fault(port->fcs, event);
181 	}
182 }
183 
184 static void
bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)185 bfa_fcs_lport_sm_online(
186 	struct bfa_fcs_lport_s *port,
187 	enum bfa_fcs_lport_event event)
188 {
189 	struct bfa_fcs_rport_s *rport;
190 	struct list_head		*qe, *qen;
191 
192 	bfa_trc(port->fcs, port->port_cfg.pwwn);
193 	bfa_trc(port->fcs, event);
194 
195 	switch (event) {
196 	case BFA_FCS_PORT_SM_OFFLINE:
197 		bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
198 		bfa_fcs_lport_offline_actions(port);
199 		break;
200 
201 	case BFA_FCS_PORT_SM_STOP:
202 		__port_action[port->fabric->fab_type].offline(port);
203 
204 		if (port->num_rports == 0) {
205 			bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
206 			/* If vport - send completion call back */
207 			if (port->vport)
208 				bfa_fcs_vport_stop_comp(port->vport);
209 			else
210 				bfa_wc_down(&(port->fabric->stop_wc));
211 		} else {
212 			bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
213 			list_for_each_safe(qe, qen, &port->rport_q) {
214 				rport = (struct bfa_fcs_rport_s *) qe;
215 				bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
216 			}
217 		}
218 		break;
219 
220 	case BFA_FCS_PORT_SM_DELETE:
221 
222 		__port_action[port->fabric->fab_type].offline(port);
223 
224 		if (port->num_rports == 0) {
225 			bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
226 			bfa_fcs_lport_deleted(port);
227 		} else {
228 			bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
229 			list_for_each_safe(qe, qen, &port->rport_q) {
230 				rport = (struct bfa_fcs_rport_s *) qe;
231 				bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
232 			}
233 		}
234 		break;
235 
236 	case BFA_FCS_PORT_SM_DELRPORT:
237 		break;
238 
239 	default:
240 		bfa_sm_fault(port->fcs, event);
241 	}
242 }
243 
244 static void
bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)245 bfa_fcs_lport_sm_offline(
246 	struct bfa_fcs_lport_s *port,
247 	enum bfa_fcs_lport_event event)
248 {
249 	struct bfa_fcs_rport_s *rport;
250 	struct list_head		*qe, *qen;
251 
252 	bfa_trc(port->fcs, port->port_cfg.pwwn);
253 	bfa_trc(port->fcs, event);
254 
255 	switch (event) {
256 	case BFA_FCS_PORT_SM_ONLINE:
257 		bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
258 		bfa_fcs_lport_online_actions(port);
259 		break;
260 
261 	case BFA_FCS_PORT_SM_STOP:
262 		if (port->num_rports == 0) {
263 			bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
264 			/* If vport - send completion call back */
265 			if (port->vport)
266 				bfa_fcs_vport_stop_comp(port->vport);
267 			else
268 				bfa_wc_down(&(port->fabric->stop_wc));
269 		} else {
270 			bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
271 			list_for_each_safe(qe, qen, &port->rport_q) {
272 				rport = (struct bfa_fcs_rport_s *) qe;
273 				bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
274 			}
275 		}
276 		break;
277 
278 	case BFA_FCS_PORT_SM_DELETE:
279 		if (port->num_rports == 0) {
280 			bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
281 			bfa_fcs_lport_deleted(port);
282 		} else {
283 			bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
284 			list_for_each_safe(qe, qen, &port->rport_q) {
285 				rport = (struct bfa_fcs_rport_s *) qe;
286 				bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
287 			}
288 		}
289 		break;
290 
291 	case BFA_FCS_PORT_SM_DELRPORT:
292 	case BFA_FCS_PORT_SM_OFFLINE:
293 		break;
294 
295 	default:
296 		bfa_sm_fault(port->fcs, event);
297 	}
298 }
299 
300 static void
bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)301 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
302 			  enum bfa_fcs_lport_event event)
303 {
304 	bfa_trc(port->fcs, port->port_cfg.pwwn);
305 	bfa_trc(port->fcs, event);
306 
307 	switch (event) {
308 	case BFA_FCS_PORT_SM_DELRPORT:
309 		if (port->num_rports == 0) {
310 			bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
311 			/* If vport - send completion call back */
312 			if (port->vport)
313 				bfa_fcs_vport_stop_comp(port->vport);
314 			else
315 				bfa_wc_down(&(port->fabric->stop_wc));
316 		}
317 		break;
318 
319 	default:
320 		bfa_sm_fault(port->fcs, event);
321 	}
322 }
323 
324 static void
bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s * port,enum bfa_fcs_lport_event event)325 bfa_fcs_lport_sm_deleting(
326 	struct bfa_fcs_lport_s *port,
327 	enum bfa_fcs_lport_event event)
328 {
329 	bfa_trc(port->fcs, port->port_cfg.pwwn);
330 	bfa_trc(port->fcs, event);
331 
332 	switch (event) {
333 	case BFA_FCS_PORT_SM_DELRPORT:
334 		if (port->num_rports == 0) {
335 			bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
336 			bfa_fcs_lport_deleted(port);
337 		}
338 		break;
339 
340 	default:
341 		bfa_sm_fault(port->fcs, event);
342 	}
343 }
344 
345 /*
346  *  fcs_port_pvt
347  */
348 
349 /*
350  * Send AEN notification
351  */
352 static void
bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s * port,enum bfa_lport_aen_event event)353 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
354 			enum bfa_lport_aen_event event)
355 {
356 	struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
357 	struct bfa_aen_entry_s  *aen_entry;
358 
359 	bfad_get_aen_entry(bfad, aen_entry);
360 	if (!aen_entry)
361 		return;
362 
363 	aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
364 	aen_entry->aen_data.lport.roles = port->port_cfg.roles;
365 	aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
366 					bfa_fcs_get_base_port(port->fcs));
367 	aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
368 
369 	/* Send the AEN notification */
370 	bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
371 				  BFA_AEN_CAT_LPORT, event);
372 }
373 
374 /*
375  * Send a LS reject
376  */
377 static void
bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs,u8 reason_code,u8 reason_code_expl)378 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
379 			 u8 reason_code, u8 reason_code_expl)
380 {
381 	struct fchs_s	fchs;
382 	struct bfa_fcxp_s *fcxp;
383 	struct bfa_rport_s *bfa_rport = NULL;
384 	int		len;
385 
386 	bfa_trc(port->fcs, rx_fchs->d_id);
387 	bfa_trc(port->fcs, rx_fchs->s_id);
388 
389 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
390 	if (!fcxp)
391 		return;
392 
393 	len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
394 			      rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
395 			      rx_fchs->ox_id, reason_code, reason_code_expl);
396 
397 	bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
398 			  BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
399 			  FC_MAX_PDUSZ, 0);
400 }
401 
402 /*
403  * Send a FCCT Reject
404  */
405 static void
bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs,u8 reason_code,u8 reason_code_expl)406 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
407 	struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
408 {
409 	struct fchs_s   fchs;
410 	struct bfa_fcxp_s *fcxp;
411 	struct bfa_rport_s *bfa_rport = NULL;
412 	int             len;
413 	struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
414 	struct ct_hdr_s *ct_hdr;
415 
416 	bfa_trc(port->fcs, rx_fchs->d_id);
417 	bfa_trc(port->fcs, rx_fchs->s_id);
418 
419 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
420 	if (!fcxp)
421 		return;
422 
423 	ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
424 	ct_hdr->gs_type = rx_cthdr->gs_type;
425 	ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
426 
427 	len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
428 			bfa_fcs_lport_get_fcid(port),
429 			rx_fchs->ox_id, reason_code, reason_code_expl);
430 
431 	bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
432 			BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
433 			FC_MAX_PDUSZ, 0);
434 }
435 
436 /*
437  * Process incoming plogi from a remote port.
438  */
439 static void
bfa_fcs_lport_plogi(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs,struct fc_logi_s * plogi)440 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
441 		struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
442 {
443 	struct bfa_fcs_rport_s *rport;
444 
445 	bfa_trc(port->fcs, rx_fchs->d_id);
446 	bfa_trc(port->fcs, rx_fchs->s_id);
447 
448 	/*
449 	 * If min cfg mode is enabled, drop any incoming PLOGIs
450 	 */
451 	if (__fcs_min_cfg(port->fcs)) {
452 		bfa_trc(port->fcs, rx_fchs->s_id);
453 		return;
454 	}
455 
456 	if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
457 		bfa_trc(port->fcs, rx_fchs->s_id);
458 		/*
459 		 * send a LS reject
460 		 */
461 		bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
462 					FC_LS_RJT_RSN_PROTOCOL_ERROR,
463 					FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
464 		return;
465 	}
466 
467 	/*
468 	 * Direct Attach P2P mode : verify address assigned by the r-port.
469 	 */
470 	if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
471 		(memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
472 			   (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
473 		if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
474 			/* Address assigned to us cannot be a WKA */
475 			bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
476 					FC_LS_RJT_RSN_PROTOCOL_ERROR,
477 					FC_LS_RJT_EXP_INVALID_NPORT_ID);
478 			return;
479 		}
480 		port->pid  = rx_fchs->d_id;
481 		bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
482 	}
483 
484 	/*
485 	 * First, check if we know the device by pwwn.
486 	 */
487 	rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
488 	if (rport) {
489 		/*
490 		 * Direct Attach P2P mode : handle address assigned by r-port.
491 		 */
492 		if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
493 			(memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
494 			(void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
495 			port->pid  = rx_fchs->d_id;
496 			bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
497 			rport->pid = rx_fchs->s_id;
498 		}
499 		bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
500 		return;
501 	}
502 
503 	/*
504 	 * Next, lookup rport by PID.
505 	 */
506 	rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
507 	if (!rport) {
508 		/*
509 		 * Inbound PLOGI from a new device.
510 		 */
511 		bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
512 		return;
513 	}
514 
515 	/*
516 	 * Rport is known only by PID.
517 	 */
518 	if (rport->pwwn) {
519 		/*
520 		 * This is a different device with the same pid. Old device
521 		 * disappeared. Send implicit LOGO to old device.
522 		 */
523 		WARN_ON(rport->pwwn == plogi->port_name);
524 		bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
525 
526 		/*
527 		 * Inbound PLOGI from a new device (with old PID).
528 		 */
529 		bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
530 		return;
531 	}
532 
533 	/*
534 	 * PLOGI crossing each other.
535 	 */
536 	WARN_ON(rport->pwwn != WWN_NULL);
537 	bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
538 }
539 
540 /*
541  * Process incoming ECHO.
542  * Since it does not require a login, it is processed here.
543  */
544 static void
bfa_fcs_lport_echo(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs,struct fc_echo_s * echo,u16 rx_len)545 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
546 		struct fc_echo_s *echo, u16 rx_len)
547 {
548 	struct fchs_s		fchs;
549 	struct bfa_fcxp_s	*fcxp;
550 	struct bfa_rport_s	*bfa_rport = NULL;
551 	int			len, pyld_len;
552 
553 	bfa_trc(port->fcs, rx_fchs->s_id);
554 	bfa_trc(port->fcs, rx_fchs->d_id);
555 
556 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
557 	if (!fcxp)
558 		return;
559 
560 	len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
561 				rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
562 				rx_fchs->ox_id);
563 
564 	/*
565 	 * Copy the payload (if any) from the echo frame
566 	 */
567 	pyld_len = rx_len - sizeof(struct fchs_s);
568 	bfa_trc(port->fcs, rx_len);
569 	bfa_trc(port->fcs, pyld_len);
570 
571 	if (pyld_len > len)
572 		memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
573 			sizeof(struct fc_echo_s), (echo + 1),
574 			(pyld_len - sizeof(struct fc_echo_s)));
575 
576 	bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
577 			BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
578 			FC_MAX_PDUSZ, 0);
579 }
580 
581 /*
582  * Process incoming RNID.
583  * Since it does not require a login, it is processed here.
584  */
585 static void
bfa_fcs_lport_rnid(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs,struct fc_rnid_cmd_s * rnid,u16 rx_len)586 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
587 		struct fc_rnid_cmd_s *rnid, u16 rx_len)
588 {
589 	struct fc_rnid_common_id_data_s common_id_data;
590 	struct fc_rnid_general_topology_data_s gen_topo_data;
591 	struct fchs_s	fchs;
592 	struct bfa_fcxp_s *fcxp;
593 	struct bfa_rport_s *bfa_rport = NULL;
594 	u16	len;
595 	u32	data_format;
596 
597 	bfa_trc(port->fcs, rx_fchs->s_id);
598 	bfa_trc(port->fcs, rx_fchs->d_id);
599 	bfa_trc(port->fcs, rx_len);
600 
601 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
602 	if (!fcxp)
603 		return;
604 
605 	/*
606 	 * Check Node Indentification Data Format
607 	 * We only support General Topology Discovery Format.
608 	 * For any other requested Data Formats, we return Common Node Id Data
609 	 * only, as per FC-LS.
610 	 */
611 	bfa_trc(port->fcs, rnid->node_id_data_format);
612 	if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
613 		data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
614 		/*
615 		 * Get General topology data for this port
616 		 */
617 		bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
618 	} else {
619 		data_format = RNID_NODEID_DATA_FORMAT_COMMON;
620 	}
621 
622 	/*
623 	 * Copy the Node Id Info
624 	 */
625 	common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
626 	common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
627 
628 	len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
629 				rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
630 				rx_fchs->ox_id, data_format, &common_id_data,
631 				&gen_topo_data);
632 
633 	bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
634 			BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
635 			FC_MAX_PDUSZ, 0);
636 }
637 
638 /*
639  *  Fill out General Topolpgy Discovery Data for RNID ELS.
640  */
641 static void
bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s * port,struct fc_rnid_general_topology_data_s * gen_topo_data)642 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
643 			struct fc_rnid_general_topology_data_s *gen_topo_data)
644 {
645 	memset(gen_topo_data, 0,
646 		      sizeof(struct fc_rnid_general_topology_data_s));
647 
648 	gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
649 	gen_topo_data->phy_port_num = 0;	/* @todo */
650 	gen_topo_data->num_attached_nodes = cpu_to_be32(1);
651 }
652 
653 static void
bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s * port)654 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
655 {
656 	struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
657 	char	lpwwn_buf[BFA_STRING_32];
658 
659 	bfa_trc(port->fcs, port->fabric->oper_type);
660 
661 	__port_action[port->fabric->fab_type].init(port);
662 	__port_action[port->fabric->fab_type].online(port);
663 
664 	wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
665 	BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
666 		"Logical port online: WWN = %s Role = %s\n",
667 		lpwwn_buf, "Initiator");
668 	bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
669 
670 	bfad->bfad_flags |= BFAD_PORT_ONLINE;
671 }
672 
673 static void
bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s * port)674 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
675 {
676 	struct list_head	*qe, *qen;
677 	struct bfa_fcs_rport_s *rport;
678 	struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
679 	char    lpwwn_buf[BFA_STRING_32];
680 
681 	bfa_trc(port->fcs, port->fabric->oper_type);
682 
683 	__port_action[port->fabric->fab_type].offline(port);
684 
685 	wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
686 	if (bfa_sm_cmp_state(port->fabric,
687 			bfa_fcs_fabric_sm_online) == BFA_TRUE) {
688 		BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
689 		"Logical port lost fabric connectivity: WWN = %s Role = %s\n",
690 		lpwwn_buf, "Initiator");
691 		bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
692 	} else {
693 		BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
694 		"Logical port taken offline: WWN = %s Role = %s\n",
695 		lpwwn_buf, "Initiator");
696 		bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
697 	}
698 
699 	list_for_each_safe(qe, qen, &port->rport_q) {
700 		rport = (struct bfa_fcs_rport_s *) qe;
701 		bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
702 	}
703 }
704 
705 static void
bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s * port)706 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
707 {
708 	WARN_ON(1);
709 }
710 
711 static void
bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s * port)712 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
713 {
714 	WARN_ON(1);
715 }
716 
717 static void
bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s * port)718 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
719 {
720 	WARN_ON(1);
721 }
722 
723 static void
bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs)724 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
725 {
726 	struct fchs_s fchs;
727 	struct bfa_fcxp_s *fcxp;
728 	int		len;
729 
730 	bfa_trc(port->fcs, rx_fchs->d_id);
731 	bfa_trc(port->fcs, rx_fchs->s_id);
732 
733 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
734 	if (!fcxp)
735 		return;
736 
737 	len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
738 			rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
739 			rx_fchs->ox_id, 0);
740 
741 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
742 			  BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
743 			  FC_MAX_PDUSZ, 0);
744 }
745 static void
bfa_fcs_lport_deleted(struct bfa_fcs_lport_s * port)746 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
747 {
748 	struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
749 	char    lpwwn_buf[BFA_STRING_32];
750 
751 	wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
752 	BFA_LOG(KERN_INFO, bfad, bfa_log_level,
753 		"Logical port deleted: WWN = %s Role = %s\n",
754 		lpwwn_buf, "Initiator");
755 	bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
756 
757 	/* Base port will be deleted by the OS driver */
758 	if (port->vport)
759 		bfa_fcs_vport_delete_comp(port->vport);
760 	else
761 		bfa_wc_down(&port->fabric->wc);
762 }
763 
764 
765 /*
766  * Unsolicited frame receive handling.
767  */
768 void
bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s * lport,struct fchs_s * fchs,u16 len)769 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
770 			struct fchs_s *fchs, u16 len)
771 {
772 	u32	pid = fchs->s_id;
773 	struct bfa_fcs_rport_s *rport = NULL;
774 	struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
775 
776 	bfa_stats(lport, uf_recvs);
777 	bfa_trc(lport->fcs, fchs->type);
778 
779 	if (!bfa_fcs_lport_is_online(lport)) {
780 		/*
781 		 * In direct attach topology, it is possible to get a PLOGI
782 		 * before the lport is online due to port feature
783 		 * (QoS/Trunk/FEC/CR), so send a rjt
784 		 */
785 		if ((fchs->type == FC_TYPE_ELS) &&
786 			(els_cmd->els_code == FC_ELS_PLOGI)) {
787 			bfa_fcs_lport_send_ls_rjt(lport, fchs,
788 				FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
789 				FC_LS_RJT_EXP_NO_ADDL_INFO);
790 			bfa_stats(lport, plogi_rcvd);
791 		} else
792 			bfa_stats(lport, uf_recv_drops);
793 
794 		return;
795 	}
796 
797 	/*
798 	 * First, handle ELSs that donot require a login.
799 	 */
800 	/*
801 	 * Handle PLOGI first
802 	 */
803 	if ((fchs->type == FC_TYPE_ELS) &&
804 		(els_cmd->els_code == FC_ELS_PLOGI)) {
805 		bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
806 		return;
807 	}
808 
809 	/*
810 	 * Handle ECHO separately.
811 	 */
812 	if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
813 		bfa_fcs_lport_echo(lport, fchs,
814 				(struct fc_echo_s *)els_cmd, len);
815 		return;
816 	}
817 
818 	/*
819 	 * Handle RNID separately.
820 	 */
821 	if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
822 		bfa_fcs_lport_rnid(lport, fchs,
823 			(struct fc_rnid_cmd_s *) els_cmd, len);
824 		return;
825 	}
826 
827 	if (fchs->type == FC_TYPE_BLS) {
828 		if ((fchs->routing == FC_RTG_BASIC_LINK) &&
829 				(fchs->cat_info == FC_CAT_ABTS))
830 			bfa_fcs_lport_abts_acc(lport, fchs);
831 		return;
832 	}
833 
834 	if (fchs->type == FC_TYPE_SERVICES) {
835 		/*
836 		 * Unhandled FC-GS frames. Send a FC-CT Reject
837 		 */
838 		bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
839 				CT_NS_EXP_NOADDITIONAL);
840 		return;
841 	}
842 
843 	/*
844 	 * look for a matching remote port ID
845 	 */
846 	rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
847 	if (rport) {
848 		bfa_trc(rport->fcs, fchs->s_id);
849 		bfa_trc(rport->fcs, fchs->d_id);
850 		bfa_trc(rport->fcs, fchs->type);
851 
852 		bfa_fcs_rport_uf_recv(rport, fchs, len);
853 		return;
854 	}
855 
856 	/*
857 	 * Only handles ELS frames for now.
858 	 */
859 	if (fchs->type != FC_TYPE_ELS) {
860 		bfa_trc(lport->fcs, fchs->s_id);
861 		bfa_trc(lport->fcs, fchs->d_id);
862 		/* ignore type FC_TYPE_FC_FSS */
863 		if (fchs->type != FC_TYPE_FC_FSS)
864 			bfa_sm_fault(lport->fcs, fchs->type);
865 		return;
866 	}
867 
868 	bfa_trc(lport->fcs, els_cmd->els_code);
869 	if (els_cmd->els_code == FC_ELS_RSCN) {
870 		bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
871 		return;
872 	}
873 
874 	if (els_cmd->els_code == FC_ELS_LOGO) {
875 		/*
876 		 * @todo Handle LOGO frames received.
877 		 */
878 		return;
879 	}
880 
881 	if (els_cmd->els_code == FC_ELS_PRLI) {
882 		/*
883 		 * @todo Handle PRLI frames received.
884 		 */
885 		return;
886 	}
887 
888 	/*
889 	 * Unhandled ELS frames. Send a LS_RJT.
890 	 */
891 	bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
892 				 FC_LS_RJT_EXP_NO_ADDL_INFO);
893 
894 }
895 
896 /*
897  *   PID based Lookup for a R-Port in the Port R-Port Queue
898  */
899 struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s * port,u32 pid)900 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
901 {
902 	struct bfa_fcs_rport_s *rport;
903 	struct list_head	*qe;
904 
905 	list_for_each(qe, &port->rport_q) {
906 		rport = (struct bfa_fcs_rport_s *) qe;
907 		if (rport->pid == pid)
908 			return rport;
909 	}
910 
911 	bfa_trc(port->fcs, pid);
912 	return NULL;
913 }
914 
915 /*
916  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
917  */
918 struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s * port,u32 pid)919 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
920 {
921 	struct bfa_fcs_rport_s *rport;
922 	struct list_head	*qe;
923 
924 	list_for_each(qe, &port->rport_q) {
925 		rport = (struct bfa_fcs_rport_s *) qe;
926 		if (rport->old_pid == pid)
927 			return rport;
928 	}
929 
930 	bfa_trc(port->fcs, pid);
931 	return NULL;
932 }
933 
934 /*
935  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
936  */
937 struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s * port,wwn_t pwwn)938 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
939 {
940 	struct bfa_fcs_rport_s *rport;
941 	struct list_head	*qe;
942 
943 	list_for_each(qe, &port->rport_q) {
944 		rport = (struct bfa_fcs_rport_s *) qe;
945 		if (wwn_is_equal(rport->pwwn, pwwn))
946 			return rport;
947 	}
948 
949 	bfa_trc(port->fcs, pwwn);
950 	return NULL;
951 }
952 
953 /*
954  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
955  */
956 struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s * port,wwn_t nwwn)957 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
958 {
959 	struct bfa_fcs_rport_s *rport;
960 	struct list_head	*qe;
961 
962 	list_for_each(qe, &port->rport_q) {
963 		rport = (struct bfa_fcs_rport_s *) qe;
964 		if (wwn_is_equal(rport->nwwn, nwwn))
965 			return rport;
966 	}
967 
968 	bfa_trc(port->fcs, nwwn);
969 	return NULL;
970 }
971 
972 /*
973  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
974  */
975 struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s * port,wwn_t pwwn,u32 pid)976 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
977 				     wwn_t pwwn, u32 pid)
978 {
979 	struct bfa_fcs_rport_s *rport;
980 	struct list_head	*qe;
981 
982 	list_for_each(qe, &port->rport_q) {
983 		rport = (struct bfa_fcs_rport_s *) qe;
984 		if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
985 			return rport;
986 	}
987 
988 	bfa_trc(port->fcs, pwwn);
989 	return NULL;
990 }
991 
992 /*
993  * Called by rport module when new rports are discovered.
994  */
995 void
bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s * port,struct bfa_fcs_rport_s * rport)996 bfa_fcs_lport_add_rport(
997 	struct bfa_fcs_lport_s *port,
998 	struct bfa_fcs_rport_s *rport)
999 {
1000 	list_add_tail(&rport->qe, &port->rport_q);
1001 	port->num_rports++;
1002 }
1003 
1004 /*
1005  * Called by rport module to when rports are deleted.
1006  */
1007 void
bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s * port,struct bfa_fcs_rport_s * rport)1008 bfa_fcs_lport_del_rport(
1009 	struct bfa_fcs_lport_s *port,
1010 	struct bfa_fcs_rport_s *rport)
1011 {
1012 	WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
1013 	list_del(&rport->qe);
1014 	port->num_rports--;
1015 
1016 	bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1017 }
1018 
1019 /*
1020  * Called by fabric for base port when fabric login is complete.
1021  * Called by vport for virtual ports when FDISC is complete.
1022  */
1023 void
bfa_fcs_lport_online(struct bfa_fcs_lport_s * port)1024 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1025 {
1026 	bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1027 }
1028 
1029 /*
1030  * Called by fabric for base port when fabric goes offline.
1031  * Called by vport for virtual ports when virtual port becomes offline.
1032  */
1033 void
bfa_fcs_lport_offline(struct bfa_fcs_lport_s * port)1034 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1035 {
1036 	bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1037 }
1038 
1039 /*
1040  * Called by fabric for base port and by vport for virtual ports
1041  * when target mode driver is unloaded.
1042  */
1043 void
bfa_fcs_lport_stop(struct bfa_fcs_lport_s * port)1044 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1045 {
1046 	bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1047 }
1048 
1049 /*
1050  * Called by fabric to delete base lport and associated resources.
1051  *
1052  * Called by vport to delete lport and associated resources. Should call
1053  * bfa_fcs_vport_delete_comp() for vports on completion.
1054  */
1055 void
bfa_fcs_lport_delete(struct bfa_fcs_lport_s * port)1056 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1057 {
1058 	bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1059 }
1060 
1061 /*
1062  * Return TRUE if port is online, else return FALSE
1063  */
1064 bfa_boolean_t
bfa_fcs_lport_is_online(struct bfa_fcs_lport_s * port)1065 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1066 {
1067 	return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1068 }
1069 
1070 /*
1071   * Attach time initialization of logical ports.
1072  */
1073 void
bfa_fcs_lport_attach(struct bfa_fcs_lport_s * lport,struct bfa_fcs_s * fcs,u16 vf_id,struct bfa_fcs_vport_s * vport)1074 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1075 		   u16 vf_id, struct bfa_fcs_vport_s *vport)
1076 {
1077 	lport->fcs = fcs;
1078 	lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1079 	lport->vport = vport;
1080 	lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1081 				  lport->fabric->lps->bfa_tag;
1082 
1083 	INIT_LIST_HEAD(&lport->rport_q);
1084 	lport->num_rports = 0;
1085 }
1086 
1087 /*
1088  * Logical port initialization of base or virtual port.
1089  * Called by fabric for base port or by vport for virtual ports.
1090  */
1091 
1092 void
bfa_fcs_lport_init(struct bfa_fcs_lport_s * lport,struct bfa_lport_cfg_s * port_cfg)1093 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1094 	struct bfa_lport_cfg_s *port_cfg)
1095 {
1096 	struct bfa_fcs_vport_s *vport = lport->vport;
1097 	struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1098 	char    lpwwn_buf[BFA_STRING_32];
1099 
1100 	lport->port_cfg = *port_cfg;
1101 
1102 	lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1103 					lport->port_cfg.roles,
1104 					lport->fabric->vf_drv,
1105 					vport ? vport->vport_drv : NULL);
1106 
1107 	wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1108 	BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1109 		"New logical port created: WWN = %s Role = %s\n",
1110 		lpwwn_buf, "Initiator");
1111 	bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1112 
1113 	bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1114 	bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1115 }
1116 
1117 void
bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s * port,char * symname)1118 bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
1119 				char *symname)
1120 {
1121 	strcpy(port->port_cfg.sym_name.symname, symname);
1122 
1123 	if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1124 		bfa_fcs_lport_ns_util_send_rspn_id(
1125 			BFA_FCS_GET_NS_FROM_PORT(port), NULL);
1126 }
1127 
1128 /*
1129  *  fcs_lport_api
1130  */
1131 
1132 void
bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s * port,struct bfa_lport_attr_s * port_attr)1133 bfa_fcs_lport_get_attr(
1134 	struct bfa_fcs_lport_s *port,
1135 	struct bfa_lport_attr_s *port_attr)
1136 {
1137 	if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1138 		port_attr->pid = port->pid;
1139 	else
1140 		port_attr->pid = 0;
1141 
1142 	port_attr->port_cfg = port->port_cfg;
1143 
1144 	if (port->fabric) {
1145 		port_attr->port_type = port->fabric->oper_type;
1146 		port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1147 				bfa_fcs_fabric_sm_loopback);
1148 		port_attr->authfail =
1149 			bfa_sm_cmp_state(port->fabric,
1150 				bfa_fcs_fabric_sm_auth_failed);
1151 		port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1152 		memcpy(port_attr->fabric_ip_addr,
1153 			bfa_fcs_lport_get_fabric_ipaddr(port),
1154 			BFA_FCS_FABRIC_IPADDR_SZ);
1155 
1156 		if (port->vport != NULL) {
1157 			port_attr->port_type = BFA_PORT_TYPE_VPORT;
1158 			port_attr->fpma_mac =
1159 				port->vport->lps->lp_mac;
1160 		} else {
1161 			port_attr->fpma_mac =
1162 				port->fabric->lps->lp_mac;
1163 		}
1164 	} else {
1165 		port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1166 		port_attr->state = BFA_LPORT_UNINIT;
1167 	}
1168 }
1169 
1170 /*
1171  *  bfa_fcs_lport_fab port fab functions
1172  */
1173 
1174 /*
1175  *   Called by port to initialize fabric services of the base port.
1176  */
1177 static void
bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s * port)1178 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1179 {
1180 	bfa_fcs_lport_ns_init(port);
1181 	bfa_fcs_lport_scn_init(port);
1182 	bfa_fcs_lport_ms_init(port);
1183 }
1184 
1185 /*
1186  *   Called by port to notify transition to online state.
1187  */
1188 static void
bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s * port)1189 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1190 {
1191 	bfa_fcs_lport_ns_online(port);
1192 	bfa_fcs_lport_fab_scn_online(port);
1193 }
1194 
1195 /*
1196  *   Called by port to notify transition to offline state.
1197  */
1198 static void
bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s * port)1199 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1200 {
1201 	bfa_fcs_lport_ns_offline(port);
1202 	bfa_fcs_lport_scn_offline(port);
1203 	bfa_fcs_lport_ms_offline(port);
1204 }
1205 
1206 /*
1207  *  bfa_fcs_lport_n2n  functions
1208  */
1209 
1210 /*
1211  *   Called by fcs/port to initialize N2N topology.
1212  */
1213 static void
bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s * port)1214 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1215 {
1216 }
1217 
1218 /*
1219  *   Called by fcs/port to notify transition to online state.
1220  */
1221 static void
bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s * port)1222 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1223 {
1224 	struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1225 	struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1226 	struct bfa_fcs_rport_s *rport;
1227 
1228 	bfa_trc(port->fcs, pcfg->pwwn);
1229 
1230 	/*
1231 	 * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1232 	 * and assign an Address. if not, we need to wait for its PLOGI.
1233 	 *
1234 	 * If our PWWN is < than that of the remote port, it will send a PLOGI
1235 	 * with the PIDs assigned. The rport state machine take care of this
1236 	 * incoming PLOGI.
1237 	 */
1238 	if (memcmp
1239 	    ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1240 	     sizeof(wwn_t)) > 0) {
1241 		port->pid = N2N_LOCAL_PID;
1242 		bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1243 		/*
1244 		 * First, check if we know the device by pwwn.
1245 		 */
1246 		rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1247 							n2n_port->rem_port_wwn);
1248 		if (rport) {
1249 			bfa_trc(port->fcs, rport->pid);
1250 			bfa_trc(port->fcs, rport->pwwn);
1251 			rport->pid = N2N_REMOTE_PID;
1252 			bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1253 			return;
1254 		}
1255 
1256 		/*
1257 		 * In n2n there can be only one rport. Delete the old one
1258 		 * whose pid should be zero, because it is offline.
1259 		 */
1260 		if (port->num_rports > 0) {
1261 			rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1262 			WARN_ON(rport == NULL);
1263 			if (rport) {
1264 				bfa_trc(port->fcs, rport->pwwn);
1265 				bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1266 			}
1267 		}
1268 		bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1269 	}
1270 }
1271 
1272 /*
1273  *   Called by fcs/port to notify transition to offline state.
1274  */
1275 static void
bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s * port)1276 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1277 {
1278 	struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1279 
1280 	bfa_trc(port->fcs, port->pid);
1281 	port->pid = 0;
1282 	n2n_port->rem_port_wwn = 0;
1283 	n2n_port->reply_oxid = 0;
1284 }
1285 
1286 static void
bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s * port)1287 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1288 {
1289 	int i = 0, j = 0, bit = 0, alpa_bit = 0;
1290 	u8 k = 0;
1291 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1292 
1293 	port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1294 	port->pid = fcport->myalpa;
1295 	port->pid = bfa_hton3b(port->pid);
1296 
1297 	for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1298 		for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1299 			bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1300 			bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1301 			if (bit) {
1302 				port->port_topo.ploop.alpa_pos_map[k] =
1303 					loop_alpa_map[(i * 8) + alpa_bit];
1304 				k++;
1305 				bfa_trc(port->fcs->bfa, k);
1306 				bfa_trc(port->fcs->bfa,
1307 					 port->port_topo.ploop.alpa_pos_map[k]);
1308 			}
1309 		}
1310 	}
1311 	port->port_topo.ploop.num_alpa = k;
1312 }
1313 
1314 /*
1315  * Called by fcs/port to initialize Loop topology.
1316  */
1317 static void
bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s * port)1318 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1319 {
1320 }
1321 
1322 /*
1323  * Called by fcs/port to notify transition to online state.
1324  */
1325 static void
bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s * port)1326 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1327 {
1328 	u8 num_alpa = 0, alpabm_valid = 0;
1329 	struct bfa_fcs_rport_s *rport;
1330 	u8 *alpa_map = NULL;
1331 	int i = 0;
1332 	u32 pid;
1333 
1334 	bfa_fcport_get_loop_attr(port);
1335 
1336 	num_alpa = port->port_topo.ploop.num_alpa;
1337 	alpabm_valid = port->port_topo.ploop.alpabm_valid;
1338 	alpa_map = port->port_topo.ploop.alpa_pos_map;
1339 
1340 	bfa_trc(port->fcs->bfa, port->pid);
1341 	bfa_trc(port->fcs->bfa, num_alpa);
1342 	if (alpabm_valid == 1) {
1343 		for (i = 0; i < num_alpa; i++) {
1344 			bfa_trc(port->fcs->bfa, alpa_map[i]);
1345 			if (alpa_map[i] != bfa_hton3b(port->pid)) {
1346 				pid = alpa_map[i];
1347 				bfa_trc(port->fcs->bfa, pid);
1348 				rport = bfa_fcs_lport_get_rport_by_pid(port,
1349 						bfa_hton3b(pid));
1350 				if (!rport)
1351 					rport = bfa_fcs_rport_create(port,
1352 						bfa_hton3b(pid));
1353 			}
1354 		}
1355 	} else {
1356 		for (i = 0; i < MAX_ALPA_COUNT; i++) {
1357 			if (alpa_map[i] != port->pid) {
1358 				pid = loop_alpa_map[i];
1359 				bfa_trc(port->fcs->bfa, pid);
1360 				rport = bfa_fcs_lport_get_rport_by_pid(port,
1361 						bfa_hton3b(pid));
1362 				if (!rport)
1363 					rport = bfa_fcs_rport_create(port,
1364 						bfa_hton3b(pid));
1365 			}
1366 		}
1367 	}
1368 }
1369 
1370 /*
1371  * Called by fcs/port to notify transition to offline state.
1372  */
1373 static void
bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s * port)1374 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1375 {
1376 }
1377 
1378 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1379 
1380 /*
1381  * forward declarations
1382  */
1383 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1384 					    struct bfa_fcxp_s *fcxp_alloced);
1385 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1386 					    struct bfa_fcxp_s *fcxp_alloced);
1387 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1388 					   struct bfa_fcxp_s *fcxp_alloced);
1389 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1390 						struct bfa_fcxp_s *fcxp,
1391 						void *cbarg,
1392 						bfa_status_t req_status,
1393 						u32 rsp_len,
1394 						u32 resid_len,
1395 						struct fchs_s *rsp_fchs);
1396 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1397 						struct bfa_fcxp_s *fcxp,
1398 						void *cbarg,
1399 						bfa_status_t req_status,
1400 						u32 rsp_len,
1401 						u32 resid_len,
1402 						struct fchs_s *rsp_fchs);
1403 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1404 					       struct bfa_fcxp_s *fcxp,
1405 					       void *cbarg,
1406 					       bfa_status_t req_status,
1407 					       u32 rsp_len,
1408 					       u32 resid_len,
1409 					       struct fchs_s *rsp_fchs);
1410 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1411 static int bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1412 						  u8 *pyld);
1413 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1414 						  u8 *pyld);
1415 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1416 						 u8 *pyld);
1417 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1418 						       fdmi, u8 *pyld);
1419 static void	bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1420 				 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1421 static void	bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1422 				  struct bfa_fcs_fdmi_port_attr_s *port_attr);
1423 u32	bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1424 
1425 /*
1426  *  fcs_fdmi_sm FCS FDMI state machine
1427  */
1428 
1429 /*
1430  *  FDMI State Machine events
1431  */
1432 enum port_fdmi_event {
1433 	FDMISM_EVENT_PORT_ONLINE = 1,
1434 	FDMISM_EVENT_PORT_OFFLINE = 2,
1435 	FDMISM_EVENT_RSP_OK = 4,
1436 	FDMISM_EVENT_RSP_ERROR = 5,
1437 	FDMISM_EVENT_TIMEOUT = 6,
1438 	FDMISM_EVENT_RHBA_SENT = 7,
1439 	FDMISM_EVENT_RPRT_SENT = 8,
1440 	FDMISM_EVENT_RPA_SENT = 9,
1441 };
1442 
1443 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1444 					     enum port_fdmi_event event);
1445 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1446 				struct bfa_fcs_lport_fdmi_s *fdmi,
1447 				enum port_fdmi_event event);
1448 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1449 					  enum port_fdmi_event event);
1450 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1451 				struct bfa_fcs_lport_fdmi_s *fdmi,
1452 				enum port_fdmi_event event);
1453 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1454 				struct bfa_fcs_lport_fdmi_s *fdmi,
1455 				enum port_fdmi_event event);
1456 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1457 					  enum port_fdmi_event event);
1458 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1459 				struct bfa_fcs_lport_fdmi_s *fdmi,
1460 				enum port_fdmi_event event);
1461 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1462 				struct bfa_fcs_lport_fdmi_s *fdmi,
1463 				enum port_fdmi_event event);
1464 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1465 					 enum port_fdmi_event event);
1466 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1467 				struct bfa_fcs_lport_fdmi_s *fdmi,
1468 				enum port_fdmi_event event);
1469 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1470 					    enum port_fdmi_event event);
1471 static void     bfa_fcs_lport_fdmi_sm_disabled(
1472 				struct bfa_fcs_lport_fdmi_s *fdmi,
1473 				enum port_fdmi_event event);
1474 /*
1475  *	Start in offline state - awaiting MS to send start.
1476  */
1477 static void
bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1478 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1479 			     enum port_fdmi_event event)
1480 {
1481 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1482 
1483 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1484 	bfa_trc(port->fcs, event);
1485 
1486 	fdmi->retry_cnt = 0;
1487 
1488 	switch (event) {
1489 	case FDMISM_EVENT_PORT_ONLINE:
1490 		if (port->vport) {
1491 			/*
1492 			 * For Vports, register a new port.
1493 			 */
1494 			bfa_sm_set_state(fdmi,
1495 					 bfa_fcs_lport_fdmi_sm_sending_rprt);
1496 			bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1497 		} else {
1498 			/*
1499 			 * For a base port, we should first register the HBA
1500 			 * attribute. The HBA attribute also contains the base
1501 			 *  port registration.
1502 			 */
1503 			bfa_sm_set_state(fdmi,
1504 					 bfa_fcs_lport_fdmi_sm_sending_rhba);
1505 			bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1506 		}
1507 		break;
1508 
1509 	case FDMISM_EVENT_PORT_OFFLINE:
1510 		break;
1511 
1512 	default:
1513 		bfa_sm_fault(port->fcs, event);
1514 	}
1515 }
1516 
1517 static void
bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1518 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1519 				  enum port_fdmi_event event)
1520 {
1521 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1522 
1523 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1524 	bfa_trc(port->fcs, event);
1525 
1526 	switch (event) {
1527 	case FDMISM_EVENT_RHBA_SENT:
1528 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1529 		break;
1530 
1531 	case FDMISM_EVENT_PORT_OFFLINE:
1532 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1533 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1534 					   &fdmi->fcxp_wqe);
1535 		break;
1536 
1537 	default:
1538 		bfa_sm_fault(port->fcs, event);
1539 	}
1540 }
1541 
1542 static void
bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1543 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1544 			enum port_fdmi_event event)
1545 {
1546 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1547 
1548 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1549 	bfa_trc(port->fcs, event);
1550 
1551 	switch (event) {
1552 	case FDMISM_EVENT_RSP_ERROR:
1553 		/*
1554 		 * if max retries have not been reached, start timer for a
1555 		 * delayed retry
1556 		 */
1557 		if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1558 			bfa_sm_set_state(fdmi,
1559 					bfa_fcs_lport_fdmi_sm_rhba_retry);
1560 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1561 					    &fdmi->timer,
1562 					    bfa_fcs_lport_fdmi_timeout, fdmi,
1563 					    BFA_FCS_RETRY_TIMEOUT);
1564 		} else {
1565 			/*
1566 			 * set state to offline
1567 			 */
1568 			bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1569 		}
1570 		break;
1571 
1572 	case FDMISM_EVENT_RSP_OK:
1573 		/*
1574 		 * Initiate Register Port Attributes
1575 		 */
1576 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1577 		fdmi->retry_cnt = 0;
1578 		bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1579 		break;
1580 
1581 	case FDMISM_EVENT_PORT_OFFLINE:
1582 		bfa_fcxp_discard(fdmi->fcxp);
1583 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1584 		break;
1585 
1586 	default:
1587 		bfa_sm_fault(port->fcs, event);
1588 	}
1589 }
1590 
1591 static void
bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1592 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1593 				enum port_fdmi_event event)
1594 {
1595 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1596 
1597 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1598 	bfa_trc(port->fcs, event);
1599 
1600 	switch (event) {
1601 	case FDMISM_EVENT_TIMEOUT:
1602 		/*
1603 		 * Retry Timer Expired. Re-send
1604 		 */
1605 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1606 		bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1607 		break;
1608 
1609 	case FDMISM_EVENT_PORT_OFFLINE:
1610 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1611 		bfa_timer_stop(&fdmi->timer);
1612 		break;
1613 
1614 	default:
1615 		bfa_sm_fault(port->fcs, event);
1616 	}
1617 }
1618 
1619 /*
1620 * RPRT : Register Port
1621  */
1622 static void
bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1623 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1624 				  enum port_fdmi_event event)
1625 {
1626 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1627 
1628 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1629 	bfa_trc(port->fcs, event);
1630 
1631 	switch (event) {
1632 	case FDMISM_EVENT_RPRT_SENT:
1633 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1634 		break;
1635 
1636 	case FDMISM_EVENT_PORT_OFFLINE:
1637 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1638 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1639 					   &fdmi->fcxp_wqe);
1640 		break;
1641 
1642 	default:
1643 		bfa_sm_fault(port->fcs, event);
1644 	}
1645 }
1646 
1647 static void
bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1648 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1649 			enum port_fdmi_event event)
1650 {
1651 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1652 
1653 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1654 	bfa_trc(port->fcs, event);
1655 
1656 	switch (event) {
1657 	case FDMISM_EVENT_RSP_ERROR:
1658 		/*
1659 		 * if max retries have not been reached, start timer for a
1660 		 * delayed retry
1661 		 */
1662 		if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1663 			bfa_sm_set_state(fdmi,
1664 					bfa_fcs_lport_fdmi_sm_rprt_retry);
1665 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1666 					    &fdmi->timer,
1667 					    bfa_fcs_lport_fdmi_timeout, fdmi,
1668 					    BFA_FCS_RETRY_TIMEOUT);
1669 
1670 		} else {
1671 			/*
1672 			 * set state to offline
1673 			 */
1674 			bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1675 			fdmi->retry_cnt = 0;
1676 		}
1677 		break;
1678 
1679 	case FDMISM_EVENT_RSP_OK:
1680 		fdmi->retry_cnt = 0;
1681 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1682 		break;
1683 
1684 	case FDMISM_EVENT_PORT_OFFLINE:
1685 		bfa_fcxp_discard(fdmi->fcxp);
1686 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1687 		break;
1688 
1689 	default:
1690 		bfa_sm_fault(port->fcs, event);
1691 	}
1692 }
1693 
1694 static void
bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1695 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1696 				enum port_fdmi_event event)
1697 {
1698 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1699 
1700 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1701 	bfa_trc(port->fcs, event);
1702 
1703 	switch (event) {
1704 	case FDMISM_EVENT_TIMEOUT:
1705 		/*
1706 		 * Retry Timer Expired. Re-send
1707 		 */
1708 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1709 		bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1710 		break;
1711 
1712 	case FDMISM_EVENT_PORT_OFFLINE:
1713 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1714 		bfa_timer_stop(&fdmi->timer);
1715 		break;
1716 
1717 	default:
1718 		bfa_sm_fault(port->fcs, event);
1719 	}
1720 }
1721 
1722 /*
1723  * Register Port Attributes
1724  */
1725 static void
bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1726 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1727 				 enum port_fdmi_event event)
1728 {
1729 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1730 
1731 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1732 	bfa_trc(port->fcs, event);
1733 
1734 	switch (event) {
1735 	case FDMISM_EVENT_RPA_SENT:
1736 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1737 		break;
1738 
1739 	case FDMISM_EVENT_PORT_OFFLINE:
1740 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1741 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1742 					   &fdmi->fcxp_wqe);
1743 		break;
1744 
1745 	default:
1746 		bfa_sm_fault(port->fcs, event);
1747 	}
1748 }
1749 
1750 static void
bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1751 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1752 			enum port_fdmi_event event)
1753 {
1754 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1755 
1756 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1757 	bfa_trc(port->fcs, event);
1758 
1759 	switch (event) {
1760 	case FDMISM_EVENT_RSP_ERROR:
1761 		/*
1762 		 * if max retries have not been reached, start timer for a
1763 		 * delayed retry
1764 		 */
1765 		if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1766 			bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1767 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1768 					    &fdmi->timer,
1769 					    bfa_fcs_lport_fdmi_timeout, fdmi,
1770 					    BFA_FCS_RETRY_TIMEOUT);
1771 		} else {
1772 			/*
1773 			 * set state to offline
1774 			 */
1775 			bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1776 			fdmi->retry_cnt = 0;
1777 		}
1778 		break;
1779 
1780 	case FDMISM_EVENT_RSP_OK:
1781 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1782 		fdmi->retry_cnt = 0;
1783 		break;
1784 
1785 	case FDMISM_EVENT_PORT_OFFLINE:
1786 		bfa_fcxp_discard(fdmi->fcxp);
1787 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1788 		break;
1789 
1790 	default:
1791 		bfa_sm_fault(port->fcs, event);
1792 	}
1793 }
1794 
1795 static void
bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1796 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1797 			       enum port_fdmi_event event)
1798 {
1799 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1800 
1801 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1802 	bfa_trc(port->fcs, event);
1803 
1804 	switch (event) {
1805 	case FDMISM_EVENT_TIMEOUT:
1806 		/*
1807 		 * Retry Timer Expired. Re-send
1808 		 */
1809 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1810 		bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1811 		break;
1812 
1813 	case FDMISM_EVENT_PORT_OFFLINE:
1814 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1815 		bfa_timer_stop(&fdmi->timer);
1816 		break;
1817 
1818 	default:
1819 		bfa_sm_fault(port->fcs, event);
1820 	}
1821 }
1822 
1823 static void
bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1824 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1825 				enum port_fdmi_event event)
1826 {
1827 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1828 
1829 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1830 	bfa_trc(port->fcs, event);
1831 
1832 	switch (event) {
1833 	case FDMISM_EVENT_PORT_OFFLINE:
1834 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1835 		break;
1836 
1837 	default:
1838 		bfa_sm_fault(port->fcs, event);
1839 	}
1840 }
1841 /*
1842  *  FDMI is disabled state.
1843  */
1844 static void
bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s * fdmi,enum port_fdmi_event event)1845 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1846 			     enum port_fdmi_event event)
1847 {
1848 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1849 
1850 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1851 	bfa_trc(port->fcs, event);
1852 
1853 	/* No op State. It can only be enabled at Driver Init. */
1854 }
1855 
1856 /*
1857 *  RHBA : Register HBA Attributes.
1858  */
1859 static void
bfa_fcs_lport_fdmi_send_rhba(void * fdmi_cbarg,struct bfa_fcxp_s * fcxp_alloced)1860 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1861 {
1862 	struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1863 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1864 	struct fchs_s fchs;
1865 	int             len, attr_len;
1866 	struct bfa_fcxp_s *fcxp;
1867 	u8        *pyld;
1868 
1869 	bfa_trc(port->fcs, port->port_cfg.pwwn);
1870 
1871 	fcxp = fcxp_alloced ? fcxp_alloced :
1872 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1873 	if (!fcxp) {
1874 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1875 				bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1876 		return;
1877 	}
1878 	fdmi->fcxp = fcxp;
1879 
1880 	pyld = bfa_fcxp_get_reqbuf(fcxp);
1881 	memset(pyld, 0, FC_MAX_PDUSZ);
1882 
1883 	len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1884 				   FDMI_RHBA);
1885 
1886 	attr_len =
1887 		bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1888 					  (u8 *) ((struct ct_hdr_s *) pyld
1889 						       + 1));
1890 	if (attr_len < 0)
1891 		return;
1892 
1893 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1894 			  FC_CLASS_3, (len + attr_len), &fchs,
1895 			  bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1896 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
1897 
1898 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1899 }
1900 
1901 static int
bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s * fdmi,u8 * pyld)1902 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1903 {
1904 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
1905 	struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr;
1906 	struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1907 	struct fdmi_attr_s *attr;
1908 	int        len;
1909 	u8        *curr_ptr;
1910 	u16	templen, count;
1911 
1912 	fcs_hba_attr = kzalloc(sizeof(*fcs_hba_attr), GFP_KERNEL);
1913 	if (!fcs_hba_attr)
1914 		return -ENOMEM;
1915 
1916 	/*
1917 	 * get hba attributes
1918 	 */
1919 	bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1920 
1921 	rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1922 	rhba->port_list.num_ports = cpu_to_be32(1);
1923 	rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1924 
1925 	len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1926 
1927 	count = 0;
1928 	len += sizeof(rhba->hba_attr_blk.attr_count);
1929 
1930 	/*
1931 	 * fill out the invididual entries of the HBA attrib Block
1932 	 */
1933 	curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1934 
1935 	/*
1936 	 * Node Name
1937 	 */
1938 	attr = (struct fdmi_attr_s *) curr_ptr;
1939 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1940 	templen = sizeof(wwn_t);
1941 	memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1942 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1943 	len += templen;
1944 	count++;
1945 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1946 			     sizeof(templen));
1947 
1948 	/*
1949 	 * Manufacturer
1950 	 */
1951 	attr = (struct fdmi_attr_s *) curr_ptr;
1952 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1953 	templen = (u16) strlen(fcs_hba_attr->manufacturer);
1954 	memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1955 	templen = fc_roundup(templen, sizeof(u32));
1956 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1957 	len += templen;
1958 	count++;
1959 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1960 			     sizeof(templen));
1961 
1962 	/*
1963 	 * Serial Number
1964 	 */
1965 	attr = (struct fdmi_attr_s *) curr_ptr;
1966 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1967 	templen = (u16) strlen(fcs_hba_attr->serial_num);
1968 	memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1969 	templen = fc_roundup(templen, sizeof(u32));
1970 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1971 	len += templen;
1972 	count++;
1973 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1974 			     sizeof(templen));
1975 
1976 	/*
1977 	 * Model
1978 	 */
1979 	attr = (struct fdmi_attr_s *) curr_ptr;
1980 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1981 	templen = (u16) strlen(fcs_hba_attr->model);
1982 	memcpy(attr->value, fcs_hba_attr->model, templen);
1983 	templen = fc_roundup(templen, sizeof(u32));
1984 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1985 	len += templen;
1986 	count++;
1987 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1988 			     sizeof(templen));
1989 
1990 	/*
1991 	 * Model Desc
1992 	 */
1993 	attr = (struct fdmi_attr_s *) curr_ptr;
1994 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1995 	templen = (u16) strlen(fcs_hba_attr->model_desc);
1996 	memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1997 	templen = fc_roundup(templen, sizeof(u32));
1998 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1999 	len += templen;
2000 	count++;
2001 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2002 			     sizeof(templen));
2003 
2004 	/*
2005 	 * H/W Version
2006 	 */
2007 	if (fcs_hba_attr->hw_version[0] != '\0') {
2008 		attr = (struct fdmi_attr_s *) curr_ptr;
2009 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
2010 		templen = (u16) strlen(fcs_hba_attr->hw_version);
2011 		memcpy(attr->value, fcs_hba_attr->hw_version, templen);
2012 		templen = fc_roundup(templen, sizeof(u32));
2013 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2014 		len += templen;
2015 		count++;
2016 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2017 					 sizeof(templen));
2018 	}
2019 
2020 	/*
2021 	 * Driver Version
2022 	 */
2023 	attr = (struct fdmi_attr_s *) curr_ptr;
2024 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
2025 	templen = (u16) strlen(fcs_hba_attr->driver_version);
2026 	memcpy(attr->value, fcs_hba_attr->driver_version, templen);
2027 	templen = fc_roundup(templen, sizeof(u32));
2028 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2029 	len += templen;
2030 	count++;
2031 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2032 			     sizeof(templen));
2033 
2034 	/*
2035 	 * Option Rom Version
2036 	 */
2037 	if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2038 		attr = (struct fdmi_attr_s *) curr_ptr;
2039 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2040 		templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2041 		memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2042 		templen = fc_roundup(templen, sizeof(u32));
2043 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2044 		len += templen;
2045 		count++;
2046 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2047 					 sizeof(templen));
2048 	}
2049 
2050 	attr = (struct fdmi_attr_s *) curr_ptr;
2051 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2052 	templen = (u16) strlen(fcs_hba_attr->fw_version);
2053 	memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2054 	templen = fc_roundup(templen, sizeof(u32));
2055 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2056 	len += templen;
2057 	count++;
2058 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2059 			     sizeof(templen));
2060 
2061 	/*
2062 	 * OS Name
2063 	 */
2064 	if (fcs_hba_attr->os_name[0] != '\0') {
2065 		attr = (struct fdmi_attr_s *) curr_ptr;
2066 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2067 		templen = (u16) strlen(fcs_hba_attr->os_name);
2068 		memcpy(attr->value, fcs_hba_attr->os_name, templen);
2069 		templen = fc_roundup(templen, sizeof(u32));
2070 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2071 		len += templen;
2072 		count++;
2073 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2074 					sizeof(templen));
2075 	}
2076 
2077 	/*
2078 	 * MAX_CT_PAYLOAD
2079 	 */
2080 	attr = (struct fdmi_attr_s *) curr_ptr;
2081 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2082 	templen = sizeof(fcs_hba_attr->max_ct_pyld);
2083 	memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2084 	templen = fc_roundup(templen, sizeof(u32));
2085 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2086 	len += templen;
2087 	count++;
2088 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2089 			     sizeof(templen));
2090 	/*
2091 	 * Send extended attributes ( FOS 7.1 support )
2092 	 */
2093 	if (fdmi->retry_cnt == 0) {
2094 		attr = (struct fdmi_attr_s *) curr_ptr;
2095 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2096 		templen = sizeof(fcs_hba_attr->node_sym_name);
2097 		memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2098 		templen = fc_roundup(templen, sizeof(u32));
2099 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2100 		len += templen;
2101 		count++;
2102 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2103 					sizeof(templen));
2104 
2105 		attr = (struct fdmi_attr_s *) curr_ptr;
2106 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2107 		templen = sizeof(fcs_hba_attr->vendor_info);
2108 		memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2109 		templen = fc_roundup(templen, sizeof(u32));
2110 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2111 		len += templen;
2112 		count++;
2113 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2114 					sizeof(templen));
2115 
2116 		attr = (struct fdmi_attr_s *) curr_ptr;
2117 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2118 		templen = sizeof(fcs_hba_attr->num_ports);
2119 		memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2120 		templen = fc_roundup(templen, sizeof(u32));
2121 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2122 		len += templen;
2123 		count++;
2124 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2125 					sizeof(templen));
2126 
2127 		attr = (struct fdmi_attr_s *) curr_ptr;
2128 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2129 		templen = sizeof(fcs_hba_attr->fabric_name);
2130 		memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2131 		templen = fc_roundup(templen, sizeof(u32));
2132 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2133 		len += templen;
2134 		count++;
2135 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2136 					sizeof(templen));
2137 
2138 		attr = (struct fdmi_attr_s *) curr_ptr;
2139 		attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2140 		templen = sizeof(fcs_hba_attr->bios_ver);
2141 		memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2142 		templen = fc_roundup(attr->len, sizeof(u32));
2143 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2144 		len += templen;
2145 		count++;
2146 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2147 					sizeof(templen));
2148 	}
2149 
2150 	/*
2151 	 * Update size of payload
2152 	 */
2153 	len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2154 
2155 	rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2156 
2157 	kfree(fcs_hba_attr);
2158 
2159 	return len;
2160 }
2161 
2162 static void
bfa_fcs_lport_fdmi_rhba_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)2163 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2164 				void *cbarg, bfa_status_t req_status,
2165 				u32 rsp_len, u32 resid_len,
2166 				struct fchs_s *rsp_fchs)
2167 {
2168 	struct bfa_fcs_lport_fdmi_s *fdmi =
2169 				(struct bfa_fcs_lport_fdmi_s *) cbarg;
2170 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2171 	struct ct_hdr_s *cthdr = NULL;
2172 
2173 	bfa_trc(port->fcs, port->port_cfg.pwwn);
2174 
2175 	/*
2176 	 * Sanity Checks
2177 	 */
2178 	if (req_status != BFA_STATUS_OK) {
2179 		bfa_trc(port->fcs, req_status);
2180 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2181 		return;
2182 	}
2183 
2184 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2185 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2186 
2187 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2188 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2189 		return;
2190 	}
2191 
2192 	bfa_trc(port->fcs, cthdr->reason_code);
2193 	bfa_trc(port->fcs, cthdr->exp_code);
2194 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2195 }
2196 
2197 /*
2198 *  RPRT : Register Port
2199  */
2200 static void
bfa_fcs_lport_fdmi_send_rprt(void * fdmi_cbarg,struct bfa_fcxp_s * fcxp_alloced)2201 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2202 {
2203 	struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2204 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2205 	struct fchs_s fchs;
2206 	u16        len, attr_len;
2207 	struct bfa_fcxp_s *fcxp;
2208 	u8        *pyld;
2209 
2210 	bfa_trc(port->fcs, port->port_cfg.pwwn);
2211 
2212 	fcxp = fcxp_alloced ? fcxp_alloced :
2213 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2214 	if (!fcxp) {
2215 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2216 				bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2217 		return;
2218 	}
2219 	fdmi->fcxp = fcxp;
2220 
2221 	pyld = bfa_fcxp_get_reqbuf(fcxp);
2222 	memset(pyld, 0, FC_MAX_PDUSZ);
2223 
2224 	len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2225 				   FDMI_RPRT);
2226 
2227 	attr_len =
2228 		bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2229 					  (u8 *) ((struct ct_hdr_s *) pyld
2230 						       + 1));
2231 
2232 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2233 			  FC_CLASS_3, len + attr_len, &fchs,
2234 			  bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2235 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
2236 
2237 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2238 }
2239 
2240 /*
2241  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2242  */
2243 static          u16
bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s * fdmi,u8 * pyld)2244 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2245 				       u8 *pyld)
2246 {
2247 	struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2248 	struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2249 	struct fdmi_attr_s *attr;
2250 	u8        *curr_ptr;
2251 	u16        len;
2252 	u8	count = 0;
2253 	u16	templen;
2254 
2255 	/*
2256 	 * get port attributes
2257 	 */
2258 	bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2259 
2260 	len = sizeof(port_attrib->attr_count);
2261 
2262 	/*
2263 	 * fill out the invididual entries
2264 	 */
2265 	curr_ptr = (u8 *) &port_attrib->port_attr;
2266 
2267 	/*
2268 	 * FC4 Types
2269 	 */
2270 	attr = (struct fdmi_attr_s *) curr_ptr;
2271 	attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2272 	templen = sizeof(fcs_port_attr.supp_fc4_types);
2273 	memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2274 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2275 	len += templen;
2276 	++count;
2277 	attr->len =
2278 		cpu_to_be16(templen + sizeof(attr->type) +
2279 			     sizeof(templen));
2280 
2281 	/*
2282 	 * Supported Speed
2283 	 */
2284 	attr = (struct fdmi_attr_s *) curr_ptr;
2285 	attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2286 	templen = sizeof(fcs_port_attr.supp_speed);
2287 	memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2288 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2289 	len += templen;
2290 	++count;
2291 	attr->len =
2292 		cpu_to_be16(templen + sizeof(attr->type) +
2293 			     sizeof(templen));
2294 
2295 	/*
2296 	 * current Port Speed
2297 	 */
2298 	attr = (struct fdmi_attr_s *) curr_ptr;
2299 	attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2300 	templen = sizeof(fcs_port_attr.curr_speed);
2301 	memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2302 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2303 	len += templen;
2304 	++count;
2305 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2306 			     sizeof(templen));
2307 
2308 	/*
2309 	 * max frame size
2310 	 */
2311 	attr = (struct fdmi_attr_s *) curr_ptr;
2312 	attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2313 	templen = sizeof(fcs_port_attr.max_frm_size);
2314 	memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2315 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2316 	len += templen;
2317 	++count;
2318 	attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2319 			     sizeof(templen));
2320 
2321 	/*
2322 	 * OS Device Name
2323 	 */
2324 	if (fcs_port_attr.os_device_name[0] != '\0') {
2325 		attr = (struct fdmi_attr_s *) curr_ptr;
2326 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2327 		templen = (u16) strlen(fcs_port_attr.os_device_name);
2328 		memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2329 		templen = fc_roundup(templen, sizeof(u32));
2330 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2331 		len += templen;
2332 		++count;
2333 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2334 					sizeof(templen));
2335 	}
2336 	/*
2337 	 * Host Name
2338 	 */
2339 	if (fcs_port_attr.host_name[0] != '\0') {
2340 		attr = (struct fdmi_attr_s *) curr_ptr;
2341 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2342 		templen = (u16) strlen(fcs_port_attr.host_name);
2343 		memcpy(attr->value, fcs_port_attr.host_name, templen);
2344 		templen = fc_roundup(templen, sizeof(u32));
2345 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2346 		len += templen;
2347 		++count;
2348 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2349 				sizeof(templen));
2350 	}
2351 
2352 	if (fdmi->retry_cnt == 0) {
2353 		attr = (struct fdmi_attr_s *) curr_ptr;
2354 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2355 		templen = sizeof(fcs_port_attr.node_name);
2356 		memcpy(attr->value, &fcs_port_attr.node_name, templen);
2357 		templen = fc_roundup(templen, sizeof(u32));
2358 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2359 		len += templen;
2360 		++count;
2361 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2362 				 sizeof(templen));
2363 
2364 		attr = (struct fdmi_attr_s *) curr_ptr;
2365 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2366 		templen = sizeof(fcs_port_attr.port_name);
2367 		memcpy(attr->value, &fcs_port_attr.port_name, templen);
2368 		templen = fc_roundup(templen, sizeof(u32));
2369 		curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2370 		len += templen;
2371 		++count;
2372 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2373 				 sizeof(templen));
2374 
2375 		if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2376 			attr = (struct fdmi_attr_s *) curr_ptr;
2377 			attr->type =
2378 				cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2379 			templen = sizeof(fcs_port_attr.port_sym_name);
2380 			memcpy(attr->value,
2381 				&fcs_port_attr.port_sym_name, templen);
2382 			templen = fc_roundup(templen, sizeof(u32));
2383 			curr_ptr += sizeof(attr->type) +
2384 					sizeof(templen) + templen;
2385 			len += templen;
2386 			++count;
2387 			attr->len = cpu_to_be16(templen +
2388 				sizeof(attr->type) + sizeof(templen));
2389 		}
2390 
2391 		attr = (struct fdmi_attr_s *) curr_ptr;
2392 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2393 		templen = sizeof(fcs_port_attr.port_type);
2394 		memcpy(attr->value, &fcs_port_attr.port_type, templen);
2395 		templen = fc_roundup(templen, sizeof(u32));
2396 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2397 		len += templen;
2398 		++count;
2399 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2400 				 sizeof(templen));
2401 
2402 		attr = (struct fdmi_attr_s *) curr_ptr;
2403 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2404 		templen = sizeof(fcs_port_attr.scos);
2405 		memcpy(attr->value, &fcs_port_attr.scos, templen);
2406 		templen = fc_roundup(templen, sizeof(u32));
2407 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2408 		len += templen;
2409 		++count;
2410 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2411 				 sizeof(templen));
2412 
2413 		attr = (struct fdmi_attr_s *) curr_ptr;
2414 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2415 		templen = sizeof(fcs_port_attr.port_fabric_name);
2416 		memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
2417 		templen = fc_roundup(templen, sizeof(u32));
2418 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2419 		len += templen;
2420 		++count;
2421 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2422 				 sizeof(templen));
2423 
2424 		attr = (struct fdmi_attr_s *) curr_ptr;
2425 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
2426 		templen = sizeof(fcs_port_attr.port_act_fc4_type);
2427 		memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2428 				templen);
2429 		templen = fc_roundup(templen, sizeof(u32));
2430 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2431 		len += templen;
2432 		++count;
2433 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2434 				 sizeof(templen));
2435 
2436 		attr = (struct fdmi_attr_s *) curr_ptr;
2437 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2438 		templen = sizeof(fcs_port_attr.port_state);
2439 		memcpy(attr->value, &fcs_port_attr.port_state, templen);
2440 		templen = fc_roundup(templen, sizeof(u32));
2441 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2442 		len += templen;
2443 		++count;
2444 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2445 				 sizeof(templen));
2446 
2447 		attr = (struct fdmi_attr_s *) curr_ptr;
2448 		attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2449 		templen = sizeof(fcs_port_attr.num_ports);
2450 		memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2451 		templen = fc_roundup(templen, sizeof(u32));
2452 		curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2453 		len += templen;
2454 		++count;
2455 		attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2456 				sizeof(templen));
2457 	}
2458 
2459 	/*
2460 	 * Update size of payload
2461 	 */
2462 	port_attrib->attr_count = cpu_to_be32(count);
2463 	len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2464 	return len;
2465 }
2466 
2467 static          u16
bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s * fdmi,u8 * pyld)2468 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2469 {
2470 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2471 	struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2472 	u16        len;
2473 
2474 	rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2475 	rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2476 
2477 	len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2478 				(u8 *) &rprt->port_attr_blk);
2479 
2480 	len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2481 
2482 	return len;
2483 }
2484 
2485 static void
bfa_fcs_lport_fdmi_rprt_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)2486 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2487 				void *cbarg, bfa_status_t req_status,
2488 				u32 rsp_len, u32 resid_len,
2489 				struct fchs_s *rsp_fchs)
2490 {
2491 	struct bfa_fcs_lport_fdmi_s *fdmi =
2492 			(struct bfa_fcs_lport_fdmi_s *) cbarg;
2493 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2494 	struct ct_hdr_s *cthdr = NULL;
2495 
2496 	bfa_trc(port->fcs, port->port_cfg.pwwn);
2497 
2498 	/*
2499 	 * Sanity Checks
2500 	 */
2501 	if (req_status != BFA_STATUS_OK) {
2502 		bfa_trc(port->fcs, req_status);
2503 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2504 		return;
2505 	}
2506 
2507 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2508 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2509 
2510 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2511 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2512 		return;
2513 	}
2514 
2515 	bfa_trc(port->fcs, cthdr->reason_code);
2516 	bfa_trc(port->fcs, cthdr->exp_code);
2517 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2518 }
2519 
2520 /*
2521 *  RPA : Register Port Attributes.
2522  */
2523 static void
bfa_fcs_lport_fdmi_send_rpa(void * fdmi_cbarg,struct bfa_fcxp_s * fcxp_alloced)2524 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2525 {
2526 	struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2527 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2528 	struct fchs_s fchs;
2529 	u16        len, attr_len;
2530 	struct bfa_fcxp_s *fcxp;
2531 	u8        *pyld;
2532 
2533 	bfa_trc(port->fcs, port->port_cfg.pwwn);
2534 
2535 	fcxp = fcxp_alloced ? fcxp_alloced :
2536 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2537 	if (!fcxp) {
2538 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2539 				bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2540 		return;
2541 	}
2542 	fdmi->fcxp = fcxp;
2543 
2544 	pyld = bfa_fcxp_get_reqbuf(fcxp);
2545 	memset(pyld, 0, FC_MAX_PDUSZ);
2546 
2547 	len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2548 				   FDMI_RPA);
2549 
2550 	attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2551 				(u8 *) ((struct ct_hdr_s *) pyld + 1));
2552 
2553 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2554 			  FC_CLASS_3, len + attr_len, &fchs,
2555 			  bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2556 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
2557 
2558 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2559 }
2560 
2561 static          u16
bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s * fdmi,u8 * pyld)2562 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2563 {
2564 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2565 	struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2566 	u16        len;
2567 
2568 	rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2569 
2570 	len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2571 				(u8 *) &rpa->port_attr_blk);
2572 
2573 	len += sizeof(rpa->port_name);
2574 
2575 	return len;
2576 }
2577 
2578 static void
bfa_fcs_lport_fdmi_rpa_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)2579 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2580 			void *cbarg, bfa_status_t req_status, u32 rsp_len,
2581 			u32 resid_len, struct fchs_s *rsp_fchs)
2582 {
2583 	struct bfa_fcs_lport_fdmi_s *fdmi =
2584 				(struct bfa_fcs_lport_fdmi_s *) cbarg;
2585 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2586 	struct ct_hdr_s *cthdr = NULL;
2587 
2588 	bfa_trc(port->fcs, port->port_cfg.pwwn);
2589 
2590 	/*
2591 	 * Sanity Checks
2592 	 */
2593 	if (req_status != BFA_STATUS_OK) {
2594 		bfa_trc(port->fcs, req_status);
2595 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2596 		return;
2597 	}
2598 
2599 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2600 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2601 
2602 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2603 		bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2604 		return;
2605 	}
2606 
2607 	bfa_trc(port->fcs, cthdr->reason_code);
2608 	bfa_trc(port->fcs, cthdr->exp_code);
2609 	bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2610 }
2611 
2612 static void
bfa_fcs_lport_fdmi_timeout(void * arg)2613 bfa_fcs_lport_fdmi_timeout(void *arg)
2614 {
2615 	struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2616 
2617 	bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2618 }
2619 
2620 static void
bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s * fdmi,struct bfa_fcs_fdmi_hba_attr_s * hba_attr)2621 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2622 			 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2623 {
2624 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2625 	struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2626 	struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2627 
2628 	memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2629 
2630 	bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2631 					hba_attr->manufacturer);
2632 	bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2633 					hba_attr->serial_num);
2634 	bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2635 					hba_attr->model);
2636 	bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2637 					hba_attr->model_desc);
2638 	bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2639 					hba_attr->hw_version);
2640 	bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2641 					hba_attr->option_rom_ver);
2642 	bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2643 					hba_attr->fw_version);
2644 
2645 	strscpy(hba_attr->driver_version, (char *)driver_info->version,
2646 		sizeof(hba_attr->driver_version));
2647 
2648 	strscpy(hba_attr->os_name, driver_info->host_os_name,
2649 		sizeof(hba_attr->os_name));
2650 
2651 	/*
2652 	 * If there is a patch level, append it
2653 	 * to the os name along with a separator
2654 	 */
2655 	if (driver_info->host_os_patch[0] != '\0') {
2656 		strlcat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2657 			sizeof(hba_attr->os_name));
2658 		strlcat(hba_attr->os_name, driver_info->host_os_patch,
2659 				sizeof(hba_attr->os_name));
2660 	}
2661 
2662 	/* Retrieve the max frame size from the port attr */
2663 	bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2664 	hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2665 
2666 	strscpy(hba_attr->node_sym_name.symname,
2667 		port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2668 	strcpy(hba_attr->vendor_info, "QLogic");
2669 	hba_attr->num_ports =
2670 		cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2671 	hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2672 	strscpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2673 
2674 }
2675 
2676 static void
bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s * fdmi,struct bfa_fcs_fdmi_port_attr_s * port_attr)2677 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2678 			  struct bfa_fcs_fdmi_port_attr_s *port_attr)
2679 {
2680 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
2681 	struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2682 	struct bfa_port_attr_s pport_attr;
2683 	struct bfa_lport_attr_s lport_attr;
2684 
2685 	memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2686 
2687 	/*
2688 	 * get pport attributes from hal
2689 	 */
2690 	bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2691 
2692 	/*
2693 	 * get FC4 type Bitmask
2694 	 */
2695 	fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2696 
2697 	/*
2698 	 * Supported Speeds
2699 	 */
2700 	switch (pport_attr.speed_supported) {
2701 	case BFA_PORT_SPEED_16GBPS:
2702 		port_attr->supp_speed =
2703 			cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2704 		break;
2705 
2706 	case BFA_PORT_SPEED_10GBPS:
2707 		port_attr->supp_speed =
2708 			cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2709 		break;
2710 
2711 	case BFA_PORT_SPEED_8GBPS:
2712 		port_attr->supp_speed =
2713 			cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2714 		break;
2715 
2716 	case BFA_PORT_SPEED_4GBPS:
2717 		port_attr->supp_speed =
2718 			cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2719 		break;
2720 
2721 	default:
2722 		bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2723 	}
2724 
2725 	/*
2726 	 * Current Speed
2727 	 */
2728 	port_attr->curr_speed = cpu_to_be32(
2729 				bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2730 
2731 	/*
2732 	 * Max PDU Size.
2733 	 */
2734 	port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2735 
2736 	/*
2737 	 * OS device Name
2738 	 */
2739 	strscpy(port_attr->os_device_name, driver_info->os_device_name,
2740 		sizeof(port_attr->os_device_name));
2741 
2742 	/*
2743 	 * Host name
2744 	 */
2745 	strscpy(port_attr->host_name, driver_info->host_machine_name,
2746 		sizeof(port_attr->host_name));
2747 
2748 	port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2749 	port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2750 
2751 	strscpy(port_attr->port_sym_name.symname,
2752 		bfa_fcs_lport_get_psym_name(port).symname, BFA_SYMNAME_MAXLEN);
2753 	bfa_fcs_lport_get_attr(port, &lport_attr);
2754 	port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2755 	port_attr->scos = pport_attr.cos_supported;
2756 	port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2757 	fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2758 	port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2759 	port_attr->num_ports = cpu_to_be32(port->num_rports);
2760 }
2761 
2762 /*
2763  * Convert BFA speed to FDMI format.
2764  */
2765 u32
bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)2766 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2767 {
2768 	u32	ret;
2769 
2770 	switch (pport_speed) {
2771 	case BFA_PORT_SPEED_1GBPS:
2772 	case BFA_PORT_SPEED_2GBPS:
2773 		ret = pport_speed;
2774 		break;
2775 
2776 	case BFA_PORT_SPEED_4GBPS:
2777 		ret = FDMI_TRANS_SPEED_4G;
2778 		break;
2779 
2780 	case BFA_PORT_SPEED_8GBPS:
2781 		ret = FDMI_TRANS_SPEED_8G;
2782 		break;
2783 
2784 	case BFA_PORT_SPEED_10GBPS:
2785 		ret = FDMI_TRANS_SPEED_10G;
2786 		break;
2787 
2788 	case BFA_PORT_SPEED_16GBPS:
2789 		ret = FDMI_TRANS_SPEED_16G;
2790 		break;
2791 
2792 	default:
2793 		ret = FDMI_TRANS_SPEED_UNKNOWN;
2794 	}
2795 	return ret;
2796 }
2797 
2798 void
bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s * ms)2799 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2800 {
2801 	struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2802 
2803 	fdmi->ms = ms;
2804 	if (ms->port->fcs->fdmi_enabled)
2805 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2806 	else
2807 		bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2808 }
2809 
2810 void
bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s * ms)2811 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2812 {
2813 	struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2814 
2815 	fdmi->ms = ms;
2816 	bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2817 }
2818 
2819 void
bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s * ms)2820 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2821 {
2822 	struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2823 
2824 	fdmi->ms = ms;
2825 	bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2826 }
2827 
2828 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2829 
2830 /*
2831  * forward declarations
2832  */
2833 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2834 					   struct bfa_fcxp_s *fcxp_alloced);
2835 static void     bfa_fcs_lport_ms_timeout(void *arg);
2836 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2837 					       struct bfa_fcxp_s *fcxp,
2838 					       void *cbarg,
2839 					       bfa_status_t req_status,
2840 					       u32 rsp_len,
2841 					       u32 resid_len,
2842 					       struct fchs_s *rsp_fchs);
2843 
2844 static void	bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2845 					struct bfa_fcxp_s *fcxp_alloced);
2846 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2847 					       struct bfa_fcxp_s *fcxp,
2848 					       void *cbarg,
2849 					       bfa_status_t req_status,
2850 					       u32 rsp_len,
2851 					       u32 resid_len,
2852 					       struct fchs_s *rsp_fchs);
2853 static void	bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2854 					struct bfa_fcxp_s *fcxp_alloced);
2855 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2856 					       struct bfa_fcxp_s *fcxp,
2857 					       void *cbarg,
2858 					       bfa_status_t req_status,
2859 					       u32 rsp_len,
2860 					       u32 resid_len,
2861 					       struct fchs_s *rsp_fchs);
2862 /*
2863  *  fcs_ms_sm FCS MS state machine
2864  */
2865 
2866 /*
2867  *  MS State Machine events
2868  */
2869 enum port_ms_event {
2870 	MSSM_EVENT_PORT_ONLINE = 1,
2871 	MSSM_EVENT_PORT_OFFLINE = 2,
2872 	MSSM_EVENT_RSP_OK = 3,
2873 	MSSM_EVENT_RSP_ERROR = 4,
2874 	MSSM_EVENT_TIMEOUT = 5,
2875 	MSSM_EVENT_FCXP_SENT = 6,
2876 	MSSM_EVENT_PORT_FABRIC_RSCN = 7
2877 };
2878 
2879 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2880 					   enum port_ms_event event);
2881 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2882 						 enum port_ms_event event);
2883 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2884 					 enum port_ms_event event);
2885 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2886 					       enum port_ms_event event);
2887 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2888 						 enum port_ms_event event);
2889 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2890 					 enum port_ms_event event);
2891 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2892 					       enum port_ms_event event);
2893 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2894 						 enum port_ms_event event);
2895 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2896 					 enum port_ms_event event);
2897 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2898 					       enum port_ms_event event);
2899 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2900 					  enum port_ms_event event);
2901 /*
2902  *	Start in offline state - awaiting NS to send start.
2903  */
2904 static void
bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)2905 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2906 				enum port_ms_event event)
2907 {
2908 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2909 	bfa_trc(ms->port->fcs, event);
2910 
2911 	switch (event) {
2912 	case MSSM_EVENT_PORT_ONLINE:
2913 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2914 		bfa_fcs_lport_ms_send_plogi(ms, NULL);
2915 		break;
2916 
2917 	case MSSM_EVENT_PORT_OFFLINE:
2918 		break;
2919 
2920 	default:
2921 		bfa_sm_fault(ms->port->fcs, event);
2922 	}
2923 }
2924 
2925 static void
bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)2926 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2927 				enum port_ms_event event)
2928 {
2929 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2930 	bfa_trc(ms->port->fcs, event);
2931 
2932 	switch (event) {
2933 	case MSSM_EVENT_FCXP_SENT:
2934 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2935 		break;
2936 
2937 	case MSSM_EVENT_PORT_OFFLINE:
2938 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2939 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2940 					   &ms->fcxp_wqe);
2941 		break;
2942 
2943 	default:
2944 		bfa_sm_fault(ms->port->fcs, event);
2945 	}
2946 }
2947 
2948 static void
bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)2949 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2950 			enum port_ms_event event)
2951 {
2952 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2953 	bfa_trc(ms->port->fcs, event);
2954 
2955 	switch (event) {
2956 	case MSSM_EVENT_RSP_ERROR:
2957 		/*
2958 		 * Start timer for a delayed retry
2959 		 */
2960 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2961 		ms->port->stats.ms_retries++;
2962 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2963 				    &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2964 				    BFA_FCS_RETRY_TIMEOUT);
2965 		break;
2966 
2967 	case MSSM_EVENT_RSP_OK:
2968 		/*
2969 		 * since plogi is done, now invoke MS related sub-modules
2970 		 */
2971 		bfa_fcs_lport_fdmi_online(ms);
2972 
2973 		/*
2974 		 * if this is a Vport, go to online state.
2975 		 */
2976 		if (ms->port->vport) {
2977 			bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2978 			break;
2979 		}
2980 
2981 		/*
2982 		 * For a base port we need to get the
2983 		 * switch's IP address.
2984 		 */
2985 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2986 		bfa_fcs_lport_ms_send_gmal(ms, NULL);
2987 		break;
2988 
2989 	case MSSM_EVENT_PORT_OFFLINE:
2990 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2991 		bfa_fcxp_discard(ms->fcxp);
2992 		break;
2993 
2994 	default:
2995 		bfa_sm_fault(ms->port->fcs, event);
2996 	}
2997 }
2998 
2999 static void
bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3000 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
3001 			enum port_ms_event event)
3002 {
3003 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3004 	bfa_trc(ms->port->fcs, event);
3005 
3006 	switch (event) {
3007 	case MSSM_EVENT_TIMEOUT:
3008 		/*
3009 		 * Retry Timer Expired. Re-send
3010 		 */
3011 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
3012 		bfa_fcs_lport_ms_send_plogi(ms, NULL);
3013 		break;
3014 
3015 	case MSSM_EVENT_PORT_OFFLINE:
3016 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3017 		bfa_timer_stop(&ms->timer);
3018 		break;
3019 
3020 	default:
3021 		bfa_sm_fault(ms->port->fcs, event);
3022 	}
3023 }
3024 
3025 static void
bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3026 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
3027 			enum port_ms_event event)
3028 {
3029 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3030 	bfa_trc(ms->port->fcs, event);
3031 
3032 	switch (event) {
3033 	case MSSM_EVENT_PORT_OFFLINE:
3034 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3035 		break;
3036 
3037 	case MSSM_EVENT_PORT_FABRIC_RSCN:
3038 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3039 		ms->retry_cnt = 0;
3040 		bfa_fcs_lport_ms_send_gfn(ms, NULL);
3041 		break;
3042 
3043 	default:
3044 		bfa_sm_fault(ms->port->fcs, event);
3045 	}
3046 }
3047 
3048 static void
bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3049 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3050 				enum port_ms_event event)
3051 {
3052 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3053 	bfa_trc(ms->port->fcs, event);
3054 
3055 	switch (event) {
3056 	case MSSM_EVENT_FCXP_SENT:
3057 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3058 		break;
3059 
3060 	case MSSM_EVENT_PORT_OFFLINE:
3061 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3062 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3063 					   &ms->fcxp_wqe);
3064 		break;
3065 
3066 	default:
3067 		bfa_sm_fault(ms->port->fcs, event);
3068 	}
3069 }
3070 
3071 static void
bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3072 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3073 				enum port_ms_event event)
3074 {
3075 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3076 	bfa_trc(ms->port->fcs, event);
3077 
3078 	switch (event) {
3079 	case MSSM_EVENT_RSP_ERROR:
3080 		/*
3081 		 * Start timer for a delayed retry
3082 		 */
3083 		if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3084 			bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3085 			ms->port->stats.ms_retries++;
3086 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3087 				&ms->timer, bfa_fcs_lport_ms_timeout, ms,
3088 				BFA_FCS_RETRY_TIMEOUT);
3089 		} else {
3090 			bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3091 			bfa_fcs_lport_ms_send_gfn(ms, NULL);
3092 			ms->retry_cnt = 0;
3093 		}
3094 		break;
3095 
3096 	case MSSM_EVENT_RSP_OK:
3097 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3098 		bfa_fcs_lport_ms_send_gfn(ms, NULL);
3099 		break;
3100 
3101 	case MSSM_EVENT_PORT_OFFLINE:
3102 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3103 		bfa_fcxp_discard(ms->fcxp);
3104 		break;
3105 
3106 	default:
3107 		bfa_sm_fault(ms->port->fcs, event);
3108 	}
3109 }
3110 
3111 static void
bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3112 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3113 				enum port_ms_event event)
3114 {
3115 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3116 	bfa_trc(ms->port->fcs, event);
3117 
3118 	switch (event) {
3119 	case MSSM_EVENT_TIMEOUT:
3120 		/*
3121 		 * Retry Timer Expired. Re-send
3122 		 */
3123 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3124 		bfa_fcs_lport_ms_send_gmal(ms, NULL);
3125 		break;
3126 
3127 	case MSSM_EVENT_PORT_OFFLINE:
3128 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3129 		bfa_timer_stop(&ms->timer);
3130 		break;
3131 
3132 	default:
3133 		bfa_sm_fault(ms->port->fcs, event);
3134 	}
3135 }
3136 /*
3137  *  ms_pvt MS local functions
3138  */
3139 
3140 static void
bfa_fcs_lport_ms_send_gmal(void * ms_cbarg,struct bfa_fcxp_s * fcxp_alloced)3141 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3142 {
3143 	struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3144 	bfa_fcs_lport_t *port = ms->port;
3145 	struct fchs_s	fchs;
3146 	int		len;
3147 	struct bfa_fcxp_s *fcxp;
3148 
3149 	bfa_trc(port->fcs, port->pid);
3150 
3151 	fcxp = fcxp_alloced ? fcxp_alloced :
3152 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3153 	if (!fcxp) {
3154 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3155 				bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3156 		return;
3157 	}
3158 	ms->fcxp = fcxp;
3159 
3160 	len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3161 			     bfa_fcs_lport_get_fcid(port),
3162 				 port->fabric->lps->pr_nwwn);
3163 
3164 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3165 			  FC_CLASS_3, len, &fchs,
3166 			  bfa_fcs_lport_ms_gmal_response, (void *)ms,
3167 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
3168 
3169 	bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3170 }
3171 
3172 static void
bfa_fcs_lport_ms_gmal_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)3173 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3174 				void *cbarg, bfa_status_t req_status,
3175 				u32 rsp_len, u32 resid_len,
3176 				struct fchs_s *rsp_fchs)
3177 {
3178 	struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3179 	bfa_fcs_lport_t *port = ms->port;
3180 	struct ct_hdr_s		*cthdr = NULL;
3181 	struct fcgs_gmal_resp_s *gmal_resp;
3182 	struct fcgs_gmal_entry_s *gmal_entry;
3183 	u32		num_entries;
3184 	u8			*rsp_str;
3185 
3186 	bfa_trc(port->fcs, req_status);
3187 	bfa_trc(port->fcs, port->port_cfg.pwwn);
3188 
3189 	/*
3190 	 * Sanity Checks
3191 	 */
3192 	if (req_status != BFA_STATUS_OK) {
3193 		bfa_trc(port->fcs, req_status);
3194 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3195 		return;
3196 	}
3197 
3198 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3199 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3200 
3201 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3202 		gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3203 
3204 		num_entries = be32_to_cpu(gmal_resp->ms_len);
3205 		if (num_entries == 0) {
3206 			bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3207 			return;
3208 		}
3209 		/*
3210 		* The response could contain multiple Entries.
3211 		* Entries for SNMP interface, etc.
3212 		* We look for the entry with a telnet prefix.
3213 		* First "http://" entry refers to IP addr
3214 		*/
3215 
3216 		gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3217 		while (num_entries > 0) {
3218 			if (strncmp(gmal_entry->prefix,
3219 				CT_GMAL_RESP_PREFIX_HTTP,
3220 				sizeof(gmal_entry->prefix)) == 0) {
3221 
3222 				/*
3223 				* if the IP address is terminating with a '/',
3224 				* remove it.
3225 				* Byte 0 consists of the length of the string.
3226 				*/
3227 				rsp_str = &(gmal_entry->prefix[0]);
3228 				if (rsp_str[gmal_entry->len-1] == '/')
3229 					rsp_str[gmal_entry->len-1] = 0;
3230 
3231 				/* copy IP Address to fabric */
3232 				strscpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3233 					gmal_entry->ip_addr,
3234 					BFA_FCS_FABRIC_IPADDR_SZ);
3235 				break;
3236 			} else {
3237 				--num_entries;
3238 				++gmal_entry;
3239 			}
3240 		}
3241 
3242 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3243 		return;
3244 	}
3245 
3246 	bfa_trc(port->fcs, cthdr->reason_code);
3247 	bfa_trc(port->fcs, cthdr->exp_code);
3248 	bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3249 }
3250 
3251 static void
bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3252 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3253 			enum port_ms_event event)
3254 {
3255 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3256 	bfa_trc(ms->port->fcs, event);
3257 
3258 	switch (event) {
3259 	case MSSM_EVENT_FCXP_SENT:
3260 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3261 		break;
3262 
3263 	case MSSM_EVENT_PORT_OFFLINE:
3264 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3265 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3266 					   &ms->fcxp_wqe);
3267 		break;
3268 
3269 	default:
3270 		bfa_sm_fault(ms->port->fcs, event);
3271 	}
3272 }
3273 
3274 static void
bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3275 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3276 			enum port_ms_event event)
3277 {
3278 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3279 	bfa_trc(ms->port->fcs, event);
3280 
3281 	switch (event) {
3282 	case MSSM_EVENT_RSP_ERROR:
3283 		/*
3284 		 * Start timer for a delayed retry
3285 		 */
3286 		if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3287 			bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3288 			ms->port->stats.ms_retries++;
3289 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3290 				&ms->timer, bfa_fcs_lport_ms_timeout, ms,
3291 				BFA_FCS_RETRY_TIMEOUT);
3292 		} else {
3293 			bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3294 			ms->retry_cnt = 0;
3295 		}
3296 		break;
3297 
3298 	case MSSM_EVENT_RSP_OK:
3299 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3300 		break;
3301 
3302 	case MSSM_EVENT_PORT_OFFLINE:
3303 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3304 		bfa_fcxp_discard(ms->fcxp);
3305 		break;
3306 
3307 	default:
3308 		bfa_sm_fault(ms->port->fcs, event);
3309 	}
3310 }
3311 
3312 static void
bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s * ms,enum port_ms_event event)3313 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3314 				enum port_ms_event event)
3315 {
3316 	bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3317 	bfa_trc(ms->port->fcs, event);
3318 
3319 	switch (event) {
3320 	case MSSM_EVENT_TIMEOUT:
3321 		/*
3322 		 * Retry Timer Expired. Re-send
3323 		 */
3324 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3325 		bfa_fcs_lport_ms_send_gfn(ms, NULL);
3326 		break;
3327 
3328 	case MSSM_EVENT_PORT_OFFLINE:
3329 		bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3330 		bfa_timer_stop(&ms->timer);
3331 		break;
3332 
3333 	default:
3334 		bfa_sm_fault(ms->port->fcs, event);
3335 	}
3336 }
3337 /*
3338  *  ms_pvt MS local functions
3339  */
3340 
3341 static void
bfa_fcs_lport_ms_send_gfn(void * ms_cbarg,struct bfa_fcxp_s * fcxp_alloced)3342 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3343 {
3344 	struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3345 	bfa_fcs_lport_t *port = ms->port;
3346 	struct fchs_s		fchs;
3347 	int			len;
3348 	struct bfa_fcxp_s *fcxp;
3349 
3350 	bfa_trc(port->fcs, port->pid);
3351 
3352 	fcxp = fcxp_alloced ? fcxp_alloced :
3353 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3354 	if (!fcxp) {
3355 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3356 				bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3357 		return;
3358 	}
3359 	ms->fcxp = fcxp;
3360 
3361 	len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3362 			     bfa_fcs_lport_get_fcid(port),
3363 				 port->fabric->lps->pr_nwwn);
3364 
3365 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3366 			  FC_CLASS_3, len, &fchs,
3367 			  bfa_fcs_lport_ms_gfn_response, (void *)ms,
3368 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
3369 
3370 	bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3371 }
3372 
3373 static void
bfa_fcs_lport_ms_gfn_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)3374 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3375 			void *cbarg, bfa_status_t req_status, u32 rsp_len,
3376 			u32 resid_len, struct fchs_s *rsp_fchs)
3377 {
3378 	struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3379 	bfa_fcs_lport_t *port = ms->port;
3380 	struct ct_hdr_s	*cthdr = NULL;
3381 	wwn_t	       *gfn_resp;
3382 
3383 	bfa_trc(port->fcs, req_status);
3384 	bfa_trc(port->fcs, port->port_cfg.pwwn);
3385 
3386 	/*
3387 	 * Sanity Checks
3388 	 */
3389 	if (req_status != BFA_STATUS_OK) {
3390 		bfa_trc(port->fcs, req_status);
3391 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3392 		return;
3393 	}
3394 
3395 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3396 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3397 
3398 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3399 		gfn_resp = (wwn_t *)(cthdr + 1);
3400 		/* check if it has actually changed */
3401 		if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3402 				gfn_resp, sizeof(wwn_t)) != 0)) {
3403 			bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3404 		}
3405 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3406 		return;
3407 	}
3408 
3409 	bfa_trc(port->fcs, cthdr->reason_code);
3410 	bfa_trc(port->fcs, cthdr->exp_code);
3411 	bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3412 }
3413 
3414 /*
3415  *  ms_pvt MS local functions
3416  */
3417 
3418 static void
bfa_fcs_lport_ms_send_plogi(void * ms_cbarg,struct bfa_fcxp_s * fcxp_alloced)3419 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3420 {
3421 	struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3422 	struct bfa_fcs_lport_s *port = ms->port;
3423 	struct fchs_s	fchs;
3424 	int	len;
3425 	struct bfa_fcxp_s *fcxp;
3426 
3427 	bfa_trc(port->fcs, port->pid);
3428 
3429 	fcxp = fcxp_alloced ? fcxp_alloced :
3430 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3431 	if (!fcxp) {
3432 		port->stats.ms_plogi_alloc_wait++;
3433 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3434 				bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3435 		return;
3436 	}
3437 	ms->fcxp = fcxp;
3438 
3439 	len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3440 			     bfa_hton3b(FC_MGMT_SERVER),
3441 			     bfa_fcs_lport_get_fcid(port), 0,
3442 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
3443 			     bfa_fcport_get_maxfrsize(port->fcs->bfa),
3444 			     bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3445 
3446 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3447 			  FC_CLASS_3, len, &fchs,
3448 			  bfa_fcs_lport_ms_plogi_response, (void *)ms,
3449 			  FC_MAX_PDUSZ, FC_ELS_TOV);
3450 
3451 	port->stats.ms_plogi_sent++;
3452 	bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3453 }
3454 
3455 static void
bfa_fcs_lport_ms_plogi_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)3456 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3457 			void *cbarg, bfa_status_t req_status,
3458 			u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3459 {
3460 	struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3461 	struct bfa_fcs_lport_s *port = ms->port;
3462 	struct fc_els_cmd_s *els_cmd;
3463 	struct fc_ls_rjt_s *ls_rjt;
3464 
3465 	bfa_trc(port->fcs, req_status);
3466 	bfa_trc(port->fcs, port->port_cfg.pwwn);
3467 
3468 	/*
3469 	 * Sanity Checks
3470 	 */
3471 	if (req_status != BFA_STATUS_OK) {
3472 		port->stats.ms_plogi_rsp_err++;
3473 		bfa_trc(port->fcs, req_status);
3474 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3475 		return;
3476 	}
3477 
3478 	els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3479 
3480 	switch (els_cmd->els_code) {
3481 
3482 	case FC_ELS_ACC:
3483 		if (rsp_len < sizeof(struct fc_logi_s)) {
3484 			bfa_trc(port->fcs, rsp_len);
3485 			port->stats.ms_plogi_acc_err++;
3486 			bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3487 			break;
3488 		}
3489 		port->stats.ms_plogi_accepts++;
3490 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3491 		break;
3492 
3493 	case FC_ELS_LS_RJT:
3494 		ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3495 
3496 		bfa_trc(port->fcs, ls_rjt->reason_code);
3497 		bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3498 
3499 		port->stats.ms_rejects++;
3500 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3501 		break;
3502 
3503 	default:
3504 		port->stats.ms_plogi_unknown_rsp++;
3505 		bfa_trc(port->fcs, els_cmd->els_code);
3506 		bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3507 	}
3508 }
3509 
3510 static void
bfa_fcs_lport_ms_timeout(void * arg)3511 bfa_fcs_lport_ms_timeout(void *arg)
3512 {
3513 	struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3514 
3515 	ms->port->stats.ms_timeouts++;
3516 	bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3517 }
3518 
3519 
3520 void
bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s * port)3521 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3522 {
3523 	struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3524 
3525 	ms->port = port;
3526 	bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3527 
3528 	/*
3529 	 * Invoke init routines of sub modules.
3530 	 */
3531 	bfa_fcs_lport_fdmi_init(ms);
3532 }
3533 
3534 void
bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s * port)3535 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3536 {
3537 	struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3538 
3539 	ms->port = port;
3540 	bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3541 	bfa_fcs_lport_fdmi_offline(ms);
3542 }
3543 
3544 void
bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s * port)3545 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3546 {
3547 	struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3548 
3549 	ms->port = port;
3550 	bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3551 }
3552 void
bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s * port)3553 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3554 {
3555 	struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3556 
3557 	/* todo.  Handle this only  when in Online state */
3558 	if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3559 		bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3560 }
3561 
3562 /*
3563  * @page ns_sm_info VPORT NS State Machine
3564  *
3565  * @section ns_sm_interactions VPORT NS State Machine Interactions
3566  *
3567  * @section ns_sm VPORT NS State Machine
3568  * img ns_sm.jpg
3569  */
3570 
3571 /*
3572  * forward declarations
3573  */
3574 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3575 					   struct bfa_fcxp_s *fcxp_alloced);
3576 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3577 					     struct bfa_fcxp_s *fcxp_alloced);
3578 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3579 					    struct bfa_fcxp_s *fcxp_alloced);
3580 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3581 					    struct bfa_fcxp_s *fcxp_alloced);
3582 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3583 					    struct bfa_fcxp_s *fcxp_alloced);
3584 static void	bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3585 					struct bfa_fcxp_s *fcxp_alloced);
3586 static void	bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3587 					struct bfa_fcxp_s *fcxp_alloced);
3588 static void     bfa_fcs_lport_ns_timeout(void *arg);
3589 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3590 					       struct bfa_fcxp_s *fcxp,
3591 					       void *cbarg,
3592 					       bfa_status_t req_status,
3593 					       u32 rsp_len,
3594 					       u32 resid_len,
3595 					       struct fchs_s *rsp_fchs);
3596 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3597 						 struct bfa_fcxp_s *fcxp,
3598 						 void *cbarg,
3599 						 bfa_status_t req_status,
3600 						 u32 rsp_len,
3601 						 u32 resid_len,
3602 						 struct fchs_s *rsp_fchs);
3603 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3604 						struct bfa_fcxp_s *fcxp,
3605 						void *cbarg,
3606 						bfa_status_t req_status,
3607 						u32 rsp_len,
3608 						u32 resid_len,
3609 						struct fchs_s *rsp_fchs);
3610 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3611 						struct bfa_fcxp_s *fcxp,
3612 						void *cbarg,
3613 						bfa_status_t req_status,
3614 						u32 rsp_len,
3615 						u32 resid_len,
3616 						struct fchs_s *rsp_fchs);
3617 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3618 						struct bfa_fcxp_s *fcxp,
3619 						void *cbarg,
3620 						bfa_status_t req_status,
3621 						u32 rsp_len,
3622 						u32 resid_len,
3623 						struct fchs_s *rsp_fchs);
3624 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3625 						struct bfa_fcxp_s *fcxp,
3626 						void *cbarg,
3627 						bfa_status_t req_status,
3628 						u32 rsp_len,
3629 						u32 resid_len,
3630 						struct fchs_s *rsp_fchs);
3631 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3632 						struct bfa_fcxp_s *fcxp,
3633 						void *cbarg,
3634 						bfa_status_t req_status,
3635 						u32 rsp_len,
3636 						u32 resid_len,
3637 						struct fchs_s *rsp_fchs);
3638 static void     bfa_fcs_lport_ns_process_gidft_pids(
3639 				struct bfa_fcs_lport_s *port,
3640 				u32 *pid_buf, u32 n_pids);
3641 
3642 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3643 /*
3644  *  fcs_ns_sm FCS nameserver interface state machine
3645  */
3646 
3647 /*
3648  * VPort NS State Machine events
3649  */
3650 enum vport_ns_event {
3651 	NSSM_EVENT_PORT_ONLINE = 1,
3652 	NSSM_EVENT_PORT_OFFLINE = 2,
3653 	NSSM_EVENT_PLOGI_SENT = 3,
3654 	NSSM_EVENT_RSP_OK = 4,
3655 	NSSM_EVENT_RSP_ERROR = 5,
3656 	NSSM_EVENT_TIMEOUT = 6,
3657 	NSSM_EVENT_NS_QUERY = 7,
3658 	NSSM_EVENT_RSPNID_SENT = 8,
3659 	NSSM_EVENT_RFTID_SENT = 9,
3660 	NSSM_EVENT_RFFID_SENT = 10,
3661 	NSSM_EVENT_GIDFT_SENT = 11,
3662 	NSSM_EVENT_RNNID_SENT = 12,
3663 	NSSM_EVENT_RSNN_NN_SENT = 13,
3664 };
3665 
3666 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3667 					   enum vport_ns_event event);
3668 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3669 						 enum vport_ns_event event);
3670 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3671 					 enum vport_ns_event event);
3672 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3673 					       enum vport_ns_event event);
3674 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3675 					struct bfa_fcs_lport_ns_s *ns,
3676 					enum vport_ns_event event);
3677 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3678 					   enum vport_ns_event event);
3679 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3680 						 enum vport_ns_event event);
3681 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3682 					struct bfa_fcs_lport_ns_s *ns,
3683 					enum vport_ns_event event);
3684 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3685 						enum vport_ns_event event);
3686 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3687 					  enum vport_ns_event event);
3688 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3689 					struct bfa_fcs_lport_ns_s *ns,
3690 					enum vport_ns_event event);
3691 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3692 						enum vport_ns_event event);
3693 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3694 					  enum vport_ns_event event);
3695 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3696 					struct bfa_fcs_lport_ns_s *ns,
3697 					enum vport_ns_event event);
3698 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3699 					  enum vport_ns_event event);
3700 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3701 						enum vport_ns_event event);
3702 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3703 					  enum vport_ns_event event);
3704 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3705 					struct bfa_fcs_lport_ns_s *ns,
3706 					enum vport_ns_event event);
3707 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3708 					enum vport_ns_event event);
3709 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3710 						enum vport_ns_event event);
3711 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3712 					struct bfa_fcs_lport_ns_s *ns,
3713 					enum vport_ns_event event);
3714 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3715 						enum vport_ns_event event);
3716 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3717 					struct bfa_fcs_lport_ns_s *ns,
3718 					enum vport_ns_event event);
3719 /*
3720  *	Start in offline state - awaiting linkup
3721  */
3722 static void
bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3723 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3724 			enum vport_ns_event event)
3725 {
3726 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3727 	bfa_trc(ns->port->fcs, event);
3728 
3729 	switch (event) {
3730 	case NSSM_EVENT_PORT_ONLINE:
3731 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3732 		bfa_fcs_lport_ns_send_plogi(ns, NULL);
3733 		break;
3734 
3735 	case NSSM_EVENT_PORT_OFFLINE:
3736 		break;
3737 
3738 	default:
3739 		bfa_sm_fault(ns->port->fcs, event);
3740 	}
3741 }
3742 
3743 static void
bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3744 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3745 			enum vport_ns_event event)
3746 {
3747 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3748 	bfa_trc(ns->port->fcs, event);
3749 
3750 	switch (event) {
3751 	case NSSM_EVENT_PLOGI_SENT:
3752 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3753 		break;
3754 
3755 	case NSSM_EVENT_PORT_OFFLINE:
3756 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3757 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3758 					   &ns->fcxp_wqe);
3759 		break;
3760 
3761 	default:
3762 		bfa_sm_fault(ns->port->fcs, event);
3763 	}
3764 }
3765 
3766 static void
bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3767 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3768 			enum vport_ns_event event)
3769 {
3770 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3771 	bfa_trc(ns->port->fcs, event);
3772 
3773 	switch (event) {
3774 	case NSSM_EVENT_RSP_ERROR:
3775 		/*
3776 		 * Start timer for a delayed retry
3777 		 */
3778 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3779 		ns->port->stats.ns_retries++;
3780 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3781 				    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3782 				    BFA_FCS_RETRY_TIMEOUT);
3783 		break;
3784 
3785 	case NSSM_EVENT_RSP_OK:
3786 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3787 		ns->num_rnnid_retries = 0;
3788 		bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3789 		break;
3790 
3791 	case NSSM_EVENT_PORT_OFFLINE:
3792 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3793 		bfa_fcxp_discard(ns->fcxp);
3794 		break;
3795 
3796 	default:
3797 		bfa_sm_fault(ns->port->fcs, event);
3798 	}
3799 }
3800 
3801 static void
bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3802 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3803 				enum vport_ns_event event)
3804 {
3805 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3806 	bfa_trc(ns->port->fcs, event);
3807 
3808 	switch (event) {
3809 	case NSSM_EVENT_TIMEOUT:
3810 		/*
3811 		 * Retry Timer Expired. Re-send
3812 		 */
3813 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3814 		bfa_fcs_lport_ns_send_plogi(ns, NULL);
3815 		break;
3816 
3817 	case NSSM_EVENT_PORT_OFFLINE:
3818 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3819 		bfa_timer_stop(&ns->timer);
3820 		break;
3821 
3822 	default:
3823 		bfa_sm_fault(ns->port->fcs, event);
3824 	}
3825 }
3826 
3827 static void
bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3828 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3829 					enum vport_ns_event event)
3830 {
3831 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3832 	bfa_trc(ns->port->fcs, event);
3833 
3834 	switch (event) {
3835 	case NSSM_EVENT_RNNID_SENT:
3836 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3837 		break;
3838 
3839 	case NSSM_EVENT_PORT_OFFLINE:
3840 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3841 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3842 						&ns->fcxp_wqe);
3843 		break;
3844 	default:
3845 		bfa_sm_fault(ns->port->fcs, event);
3846 	}
3847 }
3848 
3849 static void
bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3850 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3851 				enum vport_ns_event event)
3852 {
3853 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3854 	bfa_trc(ns->port->fcs, event);
3855 
3856 	switch (event) {
3857 	case NSSM_EVENT_RSP_OK:
3858 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3859 		ns->num_rnnid_retries = 0;
3860 		ns->num_rsnn_nn_retries = 0;
3861 		bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3862 		break;
3863 
3864 	case NSSM_EVENT_RSP_ERROR:
3865 		if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3866 			bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3867 			ns->port->stats.ns_retries++;
3868 			ns->num_rnnid_retries++;
3869 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3870 				&ns->timer, bfa_fcs_lport_ns_timeout, ns,
3871 				BFA_FCS_RETRY_TIMEOUT);
3872 		} else {
3873 			bfa_sm_set_state(ns,
3874 				bfa_fcs_lport_ns_sm_sending_rspn_id);
3875 			bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3876 		}
3877 		break;
3878 
3879 	case NSSM_EVENT_PORT_OFFLINE:
3880 		bfa_fcxp_discard(ns->fcxp);
3881 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3882 		break;
3883 
3884 	default:
3885 		bfa_sm_fault(ns->port->fcs, event);
3886 	}
3887 }
3888 
3889 static void
bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3890 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3891 				enum vport_ns_event event)
3892 {
3893 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3894 	bfa_trc(ns->port->fcs, event);
3895 
3896 	switch (event) {
3897 	case NSSM_EVENT_TIMEOUT:
3898 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3899 		bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3900 		break;
3901 
3902 	case NSSM_EVENT_PORT_OFFLINE:
3903 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3904 		bfa_timer_stop(&ns->timer);
3905 		break;
3906 
3907 	default:
3908 		bfa_sm_fault(ns->port->fcs, event);
3909 	}
3910 }
3911 
3912 static void
bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3913 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3914 					enum vport_ns_event event)
3915 {
3916 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3917 	bfa_trc(ns->port->fcs, event);
3918 
3919 	switch (event) {
3920 	case NSSM_EVENT_RSNN_NN_SENT:
3921 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3922 		break;
3923 
3924 	case NSSM_EVENT_PORT_OFFLINE:
3925 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3926 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3927 			&ns->fcxp_wqe);
3928 		break;
3929 
3930 	default:
3931 		bfa_sm_fault(ns->port->fcs, event);
3932 	}
3933 }
3934 
3935 static void
bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3936 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3937 				enum vport_ns_event event)
3938 {
3939 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3940 	bfa_trc(ns->port->fcs, event);
3941 
3942 	switch (event) {
3943 	case NSSM_EVENT_RSP_OK:
3944 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3945 		ns->num_rsnn_nn_retries = 0;
3946 		bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3947 		break;
3948 
3949 	case NSSM_EVENT_RSP_ERROR:
3950 		if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3951 			bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3952 			ns->port->stats.ns_retries++;
3953 			ns->num_rsnn_nn_retries++;
3954 			bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3955 					&ns->timer, bfa_fcs_lport_ns_timeout,
3956 					ns, BFA_FCS_RETRY_TIMEOUT);
3957 		} else {
3958 			bfa_sm_set_state(ns,
3959 				bfa_fcs_lport_ns_sm_sending_rspn_id);
3960 			bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3961 		}
3962 		break;
3963 
3964 	case NSSM_EVENT_PORT_OFFLINE:
3965 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3966 		bfa_fcxp_discard(ns->fcxp);
3967 		break;
3968 
3969 	default:
3970 		bfa_sm_fault(ns->port->fcs, event);
3971 	}
3972 }
3973 
3974 static void
bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3975 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3976 					enum vport_ns_event event)
3977 {
3978 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3979 	bfa_trc(ns->port->fcs, event);
3980 
3981 	switch (event) {
3982 	case NSSM_EVENT_TIMEOUT:
3983 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3984 		bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3985 		break;
3986 
3987 	case NSSM_EVENT_PORT_OFFLINE:
3988 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3989 		bfa_timer_stop(&ns->timer);
3990 		break;
3991 
3992 	default:
3993 		bfa_sm_fault(ns->port->fcs, event);
3994 	}
3995 }
3996 
3997 static void
bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)3998 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3999 				   enum vport_ns_event event)
4000 {
4001 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4002 	bfa_trc(ns->port->fcs, event);
4003 
4004 	switch (event) {
4005 	case NSSM_EVENT_RSPNID_SENT:
4006 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
4007 		break;
4008 
4009 	case NSSM_EVENT_PORT_OFFLINE:
4010 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4011 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4012 					   &ns->fcxp_wqe);
4013 		break;
4014 
4015 	default:
4016 		bfa_sm_fault(ns->port->fcs, event);
4017 	}
4018 }
4019 
4020 static void
bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4021 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
4022 			enum vport_ns_event event)
4023 {
4024 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4025 	bfa_trc(ns->port->fcs, event);
4026 
4027 	switch (event) {
4028 	case NSSM_EVENT_RSP_ERROR:
4029 		/*
4030 		 * Start timer for a delayed retry
4031 		 */
4032 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
4033 		ns->port->stats.ns_retries++;
4034 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4035 				    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4036 				    BFA_FCS_RETRY_TIMEOUT);
4037 		break;
4038 
4039 	case NSSM_EVENT_RSP_OK:
4040 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4041 		bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4042 		break;
4043 
4044 	case NSSM_EVENT_PORT_OFFLINE:
4045 		bfa_fcxp_discard(ns->fcxp);
4046 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4047 		break;
4048 
4049 	default:
4050 		bfa_sm_fault(ns->port->fcs, event);
4051 	}
4052 }
4053 
4054 static void
bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4055 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4056 				enum vport_ns_event event)
4057 {
4058 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4059 	bfa_trc(ns->port->fcs, event);
4060 
4061 	switch (event) {
4062 	case NSSM_EVENT_TIMEOUT:
4063 		/*
4064 		 * Retry Timer Expired. Re-send
4065 		 */
4066 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4067 		bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4068 		break;
4069 
4070 	case NSSM_EVENT_PORT_OFFLINE:
4071 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4072 		bfa_timer_stop(&ns->timer);
4073 		break;
4074 
4075 	default:
4076 		bfa_sm_fault(ns->port->fcs, event);
4077 	}
4078 }
4079 
4080 static void
bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4081 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4082 				  enum vport_ns_event event)
4083 {
4084 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4085 	bfa_trc(ns->port->fcs, event);
4086 
4087 	switch (event) {
4088 	case NSSM_EVENT_RFTID_SENT:
4089 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4090 		break;
4091 
4092 	case NSSM_EVENT_PORT_OFFLINE:
4093 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4094 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4095 					   &ns->fcxp_wqe);
4096 		break;
4097 
4098 	default:
4099 		bfa_sm_fault(ns->port->fcs, event);
4100 	}
4101 }
4102 
4103 static void
bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4104 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4105 			enum vport_ns_event event)
4106 {
4107 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4108 	bfa_trc(ns->port->fcs, event);
4109 
4110 	switch (event) {
4111 	case NSSM_EVENT_RSP_OK:
4112 		/* Now move to register FC4 Features */
4113 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4114 		bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4115 		break;
4116 
4117 	case NSSM_EVENT_RSP_ERROR:
4118 		/*
4119 		 * Start timer for a delayed retry
4120 		 */
4121 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4122 		ns->port->stats.ns_retries++;
4123 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4124 				    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4125 				    BFA_FCS_RETRY_TIMEOUT);
4126 		break;
4127 
4128 	case NSSM_EVENT_PORT_OFFLINE:
4129 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4130 		bfa_fcxp_discard(ns->fcxp);
4131 		break;
4132 
4133 	default:
4134 		bfa_sm_fault(ns->port->fcs, event);
4135 	}
4136 }
4137 
4138 static void
bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4139 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4140 				enum vport_ns_event event)
4141 {
4142 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4143 	bfa_trc(ns->port->fcs, event);
4144 
4145 	switch (event) {
4146 	case NSSM_EVENT_TIMEOUT:
4147 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4148 		bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4149 		break;
4150 
4151 	case NSSM_EVENT_PORT_OFFLINE:
4152 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4153 		bfa_timer_stop(&ns->timer);
4154 		break;
4155 
4156 	default:
4157 		bfa_sm_fault(ns->port->fcs, event);
4158 	}
4159 }
4160 
4161 static void
bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4162 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4163 				  enum vport_ns_event event)
4164 {
4165 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4166 	bfa_trc(ns->port->fcs, event);
4167 
4168 	switch (event) {
4169 	case NSSM_EVENT_RFFID_SENT:
4170 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4171 		break;
4172 
4173 	case NSSM_EVENT_PORT_OFFLINE:
4174 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4175 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4176 					   &ns->fcxp_wqe);
4177 		break;
4178 
4179 	default:
4180 		bfa_sm_fault(ns->port->fcs, event);
4181 	}
4182 }
4183 
4184 static void
bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4185 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4186 			enum vport_ns_event event)
4187 {
4188 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4189 	bfa_trc(ns->port->fcs, event);
4190 
4191 	switch (event) {
4192 	case NSSM_EVENT_RSP_OK:
4193 
4194 		/*
4195 		 * If min cfg mode is enabled, we donot initiate rport
4196 		 * discovery with the fabric. Instead, we will retrieve the
4197 		 * boot targets from HAL/FW.
4198 		 */
4199 		if (__fcs_min_cfg(ns->port->fcs)) {
4200 			bfa_fcs_lport_ns_boot_target_disc(ns->port);
4201 			bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4202 			return;
4203 		}
4204 
4205 		/*
4206 		 * If the port role is Initiator Mode issue NS query.
4207 		 * If it is Target Mode, skip this and go to online.
4208 		 */
4209 		if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4210 			bfa_sm_set_state(ns,
4211 				bfa_fcs_lport_ns_sm_sending_gid_ft);
4212 			bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4213 		}
4214 		/*
4215 		 * kick off mgmt srvr state machine
4216 		 */
4217 		bfa_fcs_lport_ms_online(ns->port);
4218 		break;
4219 
4220 	case NSSM_EVENT_RSP_ERROR:
4221 		/*
4222 		 * Start timer for a delayed retry
4223 		 */
4224 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4225 		ns->port->stats.ns_retries++;
4226 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4227 				    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4228 				    BFA_FCS_RETRY_TIMEOUT);
4229 		break;
4230 
4231 	case NSSM_EVENT_PORT_OFFLINE:
4232 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4233 		bfa_fcxp_discard(ns->fcxp);
4234 		break;
4235 
4236 	default:
4237 		bfa_sm_fault(ns->port->fcs, event);
4238 	}
4239 }
4240 
4241 static void
bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4242 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4243 				enum vport_ns_event event)
4244 {
4245 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4246 	bfa_trc(ns->port->fcs, event);
4247 
4248 	switch (event) {
4249 	case NSSM_EVENT_TIMEOUT:
4250 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4251 		bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4252 		break;
4253 
4254 	case NSSM_EVENT_PORT_OFFLINE:
4255 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4256 		bfa_timer_stop(&ns->timer);
4257 		break;
4258 
4259 	default:
4260 		bfa_sm_fault(ns->port->fcs, event);
4261 	}
4262 }
4263 static void
bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4264 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4265 				  enum vport_ns_event event)
4266 {
4267 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4268 	bfa_trc(ns->port->fcs, event);
4269 
4270 	switch (event) {
4271 	case NSSM_EVENT_GIDFT_SENT:
4272 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4273 		break;
4274 
4275 	case NSSM_EVENT_PORT_OFFLINE:
4276 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4277 		bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4278 					   &ns->fcxp_wqe);
4279 		break;
4280 
4281 	default:
4282 		bfa_sm_fault(ns->port->fcs, event);
4283 	}
4284 }
4285 
4286 static void
bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4287 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4288 			enum vport_ns_event event)
4289 {
4290 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4291 	bfa_trc(ns->port->fcs, event);
4292 
4293 	switch (event) {
4294 	case NSSM_EVENT_RSP_OK:
4295 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4296 		break;
4297 
4298 	case NSSM_EVENT_RSP_ERROR:
4299 		/*
4300 		 * TBD: for certain reject codes, we don't need to retry
4301 		 */
4302 		/*
4303 		 * Start timer for a delayed retry
4304 		 */
4305 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4306 		ns->port->stats.ns_retries++;
4307 		bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4308 				    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4309 				    BFA_FCS_RETRY_TIMEOUT);
4310 		break;
4311 
4312 	case NSSM_EVENT_PORT_OFFLINE:
4313 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4314 		bfa_fcxp_discard(ns->fcxp);
4315 		break;
4316 
4317 	case  NSSM_EVENT_NS_QUERY:
4318 		break;
4319 
4320 	default:
4321 		bfa_sm_fault(ns->port->fcs, event);
4322 	}
4323 }
4324 
4325 static void
bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4326 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4327 				enum vport_ns_event event)
4328 {
4329 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4330 	bfa_trc(ns->port->fcs, event);
4331 
4332 	switch (event) {
4333 	case NSSM_EVENT_TIMEOUT:
4334 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4335 		bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4336 		break;
4337 
4338 	case NSSM_EVENT_PORT_OFFLINE:
4339 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4340 		bfa_timer_stop(&ns->timer);
4341 		break;
4342 
4343 	default:
4344 		bfa_sm_fault(ns->port->fcs, event);
4345 	}
4346 }
4347 
4348 static void
bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s * ns,enum vport_ns_event event)4349 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4350 			enum vport_ns_event event)
4351 {
4352 	bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4353 	bfa_trc(ns->port->fcs, event);
4354 
4355 	switch (event) {
4356 	case NSSM_EVENT_PORT_OFFLINE:
4357 		bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4358 		break;
4359 
4360 	case NSSM_EVENT_NS_QUERY:
4361 		/*
4362 		 * If the port role is Initiator Mode issue NS query.
4363 		 * If it is Target Mode, skip this and go to online.
4364 		 */
4365 		if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4366 			bfa_sm_set_state(ns,
4367 				bfa_fcs_lport_ns_sm_sending_gid_ft);
4368 			bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4369 		}
4370 		break;
4371 
4372 	default:
4373 		bfa_sm_fault(ns->port->fcs, event);
4374 	}
4375 }
4376 
4377 
4378 
4379 /*
4380  *  ns_pvt Nameserver local functions
4381  */
4382 
4383 static void
bfa_fcs_lport_ns_send_plogi(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4384 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4385 {
4386 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4387 	struct bfa_fcs_lport_s *port = ns->port;
4388 	struct fchs_s fchs;
4389 	int             len;
4390 	struct bfa_fcxp_s *fcxp;
4391 
4392 	bfa_trc(port->fcs, port->pid);
4393 
4394 	fcxp = fcxp_alloced ? fcxp_alloced :
4395 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4396 	if (!fcxp) {
4397 		port->stats.ns_plogi_alloc_wait++;
4398 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4399 				bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4400 		return;
4401 	}
4402 	ns->fcxp = fcxp;
4403 
4404 	len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4405 			     bfa_hton3b(FC_NAME_SERVER),
4406 			     bfa_fcs_lport_get_fcid(port), 0,
4407 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
4408 			     bfa_fcport_get_maxfrsize(port->fcs->bfa),
4409 			     bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4410 
4411 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4412 			  FC_CLASS_3, len, &fchs,
4413 			  bfa_fcs_lport_ns_plogi_response, (void *)ns,
4414 			  FC_MAX_PDUSZ, FC_ELS_TOV);
4415 	port->stats.ns_plogi_sent++;
4416 
4417 	bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4418 }
4419 
4420 static void
bfa_fcs_lport_ns_plogi_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4421 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4422 			void *cbarg, bfa_status_t req_status, u32 rsp_len,
4423 		       u32 resid_len, struct fchs_s *rsp_fchs)
4424 {
4425 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4426 	struct bfa_fcs_lport_s *port = ns->port;
4427 	/* struct fc_logi_s *plogi_resp; */
4428 	struct fc_els_cmd_s *els_cmd;
4429 	struct fc_ls_rjt_s *ls_rjt;
4430 
4431 	bfa_trc(port->fcs, req_status);
4432 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4433 
4434 	/*
4435 	 * Sanity Checks
4436 	 */
4437 	if (req_status != BFA_STATUS_OK) {
4438 		bfa_trc(port->fcs, req_status);
4439 		port->stats.ns_plogi_rsp_err++;
4440 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4441 		return;
4442 	}
4443 
4444 	els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4445 
4446 	switch (els_cmd->els_code) {
4447 
4448 	case FC_ELS_ACC:
4449 		if (rsp_len < sizeof(struct fc_logi_s)) {
4450 			bfa_trc(port->fcs, rsp_len);
4451 			port->stats.ns_plogi_acc_err++;
4452 			bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4453 			break;
4454 		}
4455 		port->stats.ns_plogi_accepts++;
4456 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4457 		break;
4458 
4459 	case FC_ELS_LS_RJT:
4460 		ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4461 
4462 		bfa_trc(port->fcs, ls_rjt->reason_code);
4463 		bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4464 
4465 		port->stats.ns_rejects++;
4466 
4467 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4468 		break;
4469 
4470 	default:
4471 		port->stats.ns_plogi_unknown_rsp++;
4472 		bfa_trc(port->fcs, els_cmd->els_code);
4473 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4474 	}
4475 }
4476 
4477 /*
4478  * Register node name for port_id
4479  */
4480 static void
bfa_fcs_lport_ns_send_rnn_id(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4481 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4482 {
4483 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4484 	struct bfa_fcs_lport_s *port = ns->port;
4485 	struct fchs_s  fchs;
4486 	int	len;
4487 	struct bfa_fcxp_s *fcxp;
4488 
4489 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4490 
4491 	fcxp = fcxp_alloced ? fcxp_alloced :
4492 			bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4493 	if (!fcxp) {
4494 		port->stats.ns_rnnid_alloc_wait++;
4495 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4496 				bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4497 		return;
4498 	}
4499 
4500 	ns->fcxp = fcxp;
4501 
4502 	len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4503 				bfa_fcs_lport_get_fcid(port),
4504 				bfa_fcs_lport_get_fcid(port),
4505 				bfa_fcs_lport_get_nwwn(port));
4506 
4507 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4508 			  FC_CLASS_3, len, &fchs,
4509 			  bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4510 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
4511 
4512 	port->stats.ns_rnnid_sent++;
4513 	bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4514 }
4515 
4516 static void
bfa_fcs_lport_ns_rnn_id_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4517 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4518 				void *cbarg, bfa_status_t req_status,
4519 				u32 rsp_len, u32 resid_len,
4520 				struct fchs_s *rsp_fchs)
4521 
4522 {
4523 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4524 	struct bfa_fcs_lport_s *port = ns->port;
4525 	struct ct_hdr_s	*cthdr = NULL;
4526 
4527 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4528 
4529 	/*
4530 	 * Sanity Checks
4531 	 */
4532 	if (req_status != BFA_STATUS_OK) {
4533 		bfa_trc(port->fcs, req_status);
4534 		port->stats.ns_rnnid_rsp_err++;
4535 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4536 		return;
4537 	}
4538 
4539 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4540 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4541 
4542 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4543 		port->stats.ns_rnnid_accepts++;
4544 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4545 		return;
4546 	}
4547 
4548 	port->stats.ns_rnnid_rejects++;
4549 	bfa_trc(port->fcs, cthdr->reason_code);
4550 	bfa_trc(port->fcs, cthdr->exp_code);
4551 	bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4552 }
4553 
4554 /*
4555  * Register the symbolic node name for a given node name.
4556  */
4557 static void
bfa_fcs_lport_ns_send_rsnn_nn(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4558 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4559 {
4560 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4561 	struct bfa_fcs_lport_s *port = ns->port;
4562 	struct fchs_s  fchs;
4563 	int     len;
4564 	struct bfa_fcxp_s *fcxp;
4565 	u8 *nsymbl;
4566 
4567 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4568 
4569 	fcxp = fcxp_alloced ? fcxp_alloced :
4570 			bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4571 	if (!fcxp) {
4572 		port->stats.ns_rsnn_nn_alloc_wait++;
4573 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4574 				bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4575 		return;
4576 	}
4577 	ns->fcxp = fcxp;
4578 
4579 	nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4580 					bfa_fcs_get_base_port(port->fcs)));
4581 
4582 	len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4583 				bfa_fcs_lport_get_fcid(port),
4584 				bfa_fcs_lport_get_nwwn(port), nsymbl);
4585 
4586 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4587 			  FC_CLASS_3, len, &fchs,
4588 			  bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4589 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
4590 
4591 	port->stats.ns_rsnn_nn_sent++;
4592 
4593 	bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4594 }
4595 
4596 static void
bfa_fcs_lport_ns_rsnn_nn_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4597 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4598 				void *cbarg, bfa_status_t req_status,
4599 				u32 rsp_len, u32 resid_len,
4600 				struct fchs_s *rsp_fchs)
4601 {
4602 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4603 	struct bfa_fcs_lport_s *port = ns->port;
4604 	struct ct_hdr_s	*cthdr = NULL;
4605 
4606 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4607 
4608 	/*
4609 	 * Sanity Checks
4610 	 */
4611 	if (req_status != BFA_STATUS_OK) {
4612 		bfa_trc(port->fcs, req_status);
4613 		port->stats.ns_rsnn_nn_rsp_err++;
4614 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4615 		return;
4616 	}
4617 
4618 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4619 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4620 
4621 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4622 		port->stats.ns_rsnn_nn_accepts++;
4623 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4624 		return;
4625 	}
4626 
4627 	port->stats.ns_rsnn_nn_rejects++;
4628 	bfa_trc(port->fcs, cthdr->reason_code);
4629 	bfa_trc(port->fcs, cthdr->exp_code);
4630 	bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4631 }
4632 
4633 /*
4634  * Register the symbolic port name.
4635  */
4636 static void
bfa_fcs_lport_ns_send_rspn_id(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4637 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4638 {
4639 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4640 	struct bfa_fcs_lport_s *port = ns->port;
4641 	struct fchs_s fchs;
4642 	int             len;
4643 	struct bfa_fcxp_s *fcxp;
4644 	u8         symbl[256];
4645 	u8         *psymbl = &symbl[0];
4646 
4647 	memset(symbl, 0, sizeof(symbl));
4648 
4649 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4650 
4651 	fcxp = fcxp_alloced ? fcxp_alloced :
4652 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4653 	if (!fcxp) {
4654 		port->stats.ns_rspnid_alloc_wait++;
4655 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4656 				bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4657 		return;
4658 	}
4659 	ns->fcxp = fcxp;
4660 
4661 	/*
4662 	 * for V-Port, form a Port Symbolic Name
4663 	 */
4664 	if (port->vport) {
4665 		/*
4666 		 * For Vports, we append the vport's port symbolic name
4667 		 * to that of the base port.
4668 		 */
4669 
4670 		strscpy(symbl,
4671 			(char *)&(bfa_fcs_lport_get_psym_name
4672 			 (bfa_fcs_get_base_port(port->fcs))),
4673 			sizeof(symbl));
4674 
4675 		strlcat(symbl, (char *)&(bfa_fcs_lport_get_psym_name(port)),
4676 			sizeof(symbl));
4677 	} else {
4678 		psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4679 	}
4680 
4681 	len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4682 			      bfa_fcs_lport_get_fcid(port), 0, psymbl);
4683 
4684 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4685 			  FC_CLASS_3, len, &fchs,
4686 			  bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4687 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
4688 
4689 	port->stats.ns_rspnid_sent++;
4690 
4691 	bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4692 }
4693 
4694 static void
bfa_fcs_lport_ns_rspn_id_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4695 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4696 				 void *cbarg, bfa_status_t req_status,
4697 				 u32 rsp_len, u32 resid_len,
4698 				 struct fchs_s *rsp_fchs)
4699 {
4700 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4701 	struct bfa_fcs_lport_s *port = ns->port;
4702 	struct ct_hdr_s *cthdr = NULL;
4703 
4704 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4705 
4706 	/*
4707 	 * Sanity Checks
4708 	 */
4709 	if (req_status != BFA_STATUS_OK) {
4710 		bfa_trc(port->fcs, req_status);
4711 		port->stats.ns_rspnid_rsp_err++;
4712 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4713 		return;
4714 	}
4715 
4716 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4717 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4718 
4719 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4720 		port->stats.ns_rspnid_accepts++;
4721 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4722 		return;
4723 	}
4724 
4725 	port->stats.ns_rspnid_rejects++;
4726 	bfa_trc(port->fcs, cthdr->reason_code);
4727 	bfa_trc(port->fcs, cthdr->exp_code);
4728 	bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4729 }
4730 
4731 /*
4732  * Register FC4-Types
4733  */
4734 static void
bfa_fcs_lport_ns_send_rft_id(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4735 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4736 {
4737 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4738 	struct bfa_fcs_lport_s *port = ns->port;
4739 	struct fchs_s fchs;
4740 	int             len;
4741 	struct bfa_fcxp_s *fcxp;
4742 
4743 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4744 
4745 	fcxp = fcxp_alloced ? fcxp_alloced :
4746 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4747 	if (!fcxp) {
4748 		port->stats.ns_rftid_alloc_wait++;
4749 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4750 				bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4751 		return;
4752 	}
4753 	ns->fcxp = fcxp;
4754 
4755 	len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4756 		     bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4757 
4758 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4759 			  FC_CLASS_3, len, &fchs,
4760 			  bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4761 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
4762 
4763 	port->stats.ns_rftid_sent++;
4764 	bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4765 }
4766 
4767 static void
bfa_fcs_lport_ns_rft_id_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4768 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4769 				void *cbarg, bfa_status_t req_status,
4770 				u32 rsp_len, u32 resid_len,
4771 				struct fchs_s *rsp_fchs)
4772 {
4773 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4774 	struct bfa_fcs_lport_s *port = ns->port;
4775 	struct ct_hdr_s *cthdr = NULL;
4776 
4777 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4778 
4779 	/*
4780 	 * Sanity Checks
4781 	 */
4782 	if (req_status != BFA_STATUS_OK) {
4783 		bfa_trc(port->fcs, req_status);
4784 		port->stats.ns_rftid_rsp_err++;
4785 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4786 		return;
4787 	}
4788 
4789 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4790 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4791 
4792 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4793 		port->stats.ns_rftid_accepts++;
4794 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4795 		return;
4796 	}
4797 
4798 	port->stats.ns_rftid_rejects++;
4799 	bfa_trc(port->fcs, cthdr->reason_code);
4800 	bfa_trc(port->fcs, cthdr->exp_code);
4801 	bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4802 }
4803 
4804 /*
4805  * Register FC4-Features : Should be done after RFT_ID
4806  */
4807 static void
bfa_fcs_lport_ns_send_rff_id(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4808 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4809 {
4810 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4811 	struct bfa_fcs_lport_s *port = ns->port;
4812 	struct fchs_s fchs;
4813 	int             len;
4814 	struct bfa_fcxp_s *fcxp;
4815 	u8			fc4_ftrs = 0;
4816 
4817 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4818 
4819 	fcxp = fcxp_alloced ? fcxp_alloced :
4820 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4821 	if (!fcxp) {
4822 		port->stats.ns_rffid_alloc_wait++;
4823 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4824 				bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4825 		return;
4826 	}
4827 	ns->fcxp = fcxp;
4828 
4829 	if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4830 		fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4831 
4832 	len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4833 			     bfa_fcs_lport_get_fcid(port), 0,
4834 				 FC_TYPE_FCP, fc4_ftrs);
4835 
4836 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4837 			  FC_CLASS_3, len, &fchs,
4838 			  bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4839 			  FC_MAX_PDUSZ, FC_FCCT_TOV);
4840 
4841 	port->stats.ns_rffid_sent++;
4842 	bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4843 }
4844 
4845 static void
bfa_fcs_lport_ns_rff_id_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4846 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4847 				void *cbarg, bfa_status_t req_status,
4848 				u32 rsp_len, u32 resid_len,
4849 				struct fchs_s *rsp_fchs)
4850 {
4851 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4852 	struct bfa_fcs_lport_s *port = ns->port;
4853 	struct ct_hdr_s *cthdr = NULL;
4854 
4855 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4856 
4857 	/*
4858 	 * Sanity Checks
4859 	 */
4860 	if (req_status != BFA_STATUS_OK) {
4861 		bfa_trc(port->fcs, req_status);
4862 		port->stats.ns_rffid_rsp_err++;
4863 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4864 		return;
4865 	}
4866 
4867 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4868 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4869 
4870 	if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4871 		port->stats.ns_rffid_accepts++;
4872 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4873 		return;
4874 	}
4875 
4876 	port->stats.ns_rffid_rejects++;
4877 	bfa_trc(port->fcs, cthdr->reason_code);
4878 	bfa_trc(port->fcs, cthdr->exp_code);
4879 
4880 	if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4881 		/* if this command is not supported, we don't retry */
4882 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4883 	} else
4884 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4885 }
4886 /*
4887  * Query Fabric for FC4-Types Devices.
4888  *
4889 * TBD : Need to use a local (FCS private) response buffer, since the response
4890  * can be larger than 2K.
4891  */
4892 static void
bfa_fcs_lport_ns_send_gid_ft(void * ns_cbarg,struct bfa_fcxp_s * fcxp_alloced)4893 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4894 {
4895 	struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4896 	struct bfa_fcs_lport_s *port = ns->port;
4897 	struct fchs_s fchs;
4898 	int             len;
4899 	struct bfa_fcxp_s *fcxp;
4900 
4901 	bfa_trc(port->fcs, port->pid);
4902 
4903 	fcxp = fcxp_alloced ? fcxp_alloced :
4904 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4905 	if (!fcxp) {
4906 		port->stats.ns_gidft_alloc_wait++;
4907 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4908 				bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4909 		return;
4910 	}
4911 	ns->fcxp = fcxp;
4912 
4913 	/*
4914 	 * This query is only initiated for FCP initiator mode.
4915 	 */
4916 	len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4917 			      ns->port->pid, FC_TYPE_FCP);
4918 
4919 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4920 			  FC_CLASS_3, len, &fchs,
4921 			  bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4922 			  bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4923 
4924 	port->stats.ns_gidft_sent++;
4925 
4926 	bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4927 }
4928 
4929 static void
bfa_fcs_lport_ns_gid_ft_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)4930 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4931 				void *cbarg, bfa_status_t req_status,
4932 				u32 rsp_len, u32 resid_len,
4933 				struct fchs_s *rsp_fchs)
4934 {
4935 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4936 	struct bfa_fcs_lport_s *port = ns->port;
4937 	struct ct_hdr_s *cthdr = NULL;
4938 	u32        n_pids;
4939 
4940 	bfa_trc(port->fcs, port->port_cfg.pwwn);
4941 
4942 	/*
4943 	 * Sanity Checks
4944 	 */
4945 	if (req_status != BFA_STATUS_OK) {
4946 		bfa_trc(port->fcs, req_status);
4947 		port->stats.ns_gidft_rsp_err++;
4948 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4949 		return;
4950 	}
4951 
4952 	if (resid_len != 0) {
4953 		/*
4954 		 * TBD : we will need to allocate a larger buffer & retry the
4955 		 * command
4956 		 */
4957 		bfa_trc(port->fcs, rsp_len);
4958 		bfa_trc(port->fcs, resid_len);
4959 		return;
4960 	}
4961 
4962 	cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4963 	cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4964 
4965 	switch (cthdr->cmd_rsp_code) {
4966 
4967 	case CT_RSP_ACCEPT:
4968 
4969 		port->stats.ns_gidft_accepts++;
4970 		n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4971 		bfa_trc(port->fcs, n_pids);
4972 		bfa_fcs_lport_ns_process_gidft_pids(port,
4973 						   (u32 *) (cthdr + 1),
4974 						   n_pids);
4975 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4976 		break;
4977 
4978 	case CT_RSP_REJECT:
4979 
4980 		/*
4981 		 * Check the reason code  & explanation.
4982 		 * There may not have been any FC4 devices in the fabric
4983 		 */
4984 		port->stats.ns_gidft_rejects++;
4985 		bfa_trc(port->fcs, cthdr->reason_code);
4986 		bfa_trc(port->fcs, cthdr->exp_code);
4987 
4988 		if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4989 		    && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4990 
4991 			bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4992 		} else {
4993 			/*
4994 			 * for all other errors, retry
4995 			 */
4996 			bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4997 		}
4998 		break;
4999 
5000 	default:
5001 		port->stats.ns_gidft_unknown_rsp++;
5002 		bfa_trc(port->fcs, cthdr->cmd_rsp_code);
5003 		bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
5004 	}
5005 }
5006 
5007 /*
5008  *     This routine will be called by bfa_timer on timer timeouts.
5009  *
5010  *	param[in]	port - pointer to bfa_fcs_lport_t.
5011  *
5012  *	return
5013  *		void
5014  *
5015  *	Special Considerations:
5016  *
5017  *	note
5018  */
5019 static void
bfa_fcs_lport_ns_timeout(void * arg)5020 bfa_fcs_lport_ns_timeout(void *arg)
5021 {
5022 	struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
5023 
5024 	ns->port->stats.ns_timeouts++;
5025 	bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
5026 }
5027 
5028 /*
5029  * Process the PID list in GID_FT response
5030  */
5031 static void
bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s * port,u32 * pid_buf,u32 n_pids)5032 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5033 				   u32 n_pids)
5034 {
5035 	struct fcgs_gidft_resp_s *gidft_entry;
5036 	struct bfa_fcs_rport_s *rport;
5037 	u32        ii;
5038 	struct bfa_fcs_fabric_s *fabric = port->fabric;
5039 	struct bfa_fcs_vport_s *vport;
5040 	struct list_head *qe;
5041 	u8 found = 0;
5042 
5043 	for (ii = 0; ii < n_pids; ii++) {
5044 		gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5045 
5046 		if (gidft_entry->pid == port->pid)
5047 			continue;
5048 
5049 		/*
5050 		 * Ignore PID if it is of base port
5051 		 * (Avoid vports discovering base port as remote port)
5052 		 */
5053 		if (gidft_entry->pid == fabric->bport.pid)
5054 			continue;
5055 
5056 		/*
5057 		 * Ignore PID if it is of vport created on the same base port
5058 		 * (Avoid vport discovering every other vport created on the
5059 		 * same port as remote port)
5060 		 */
5061 		list_for_each(qe, &fabric->vport_q) {
5062 			vport = (struct bfa_fcs_vport_s *) qe;
5063 			if (vport->lport.pid == gidft_entry->pid)
5064 				found = 1;
5065 		}
5066 
5067 		if (found) {
5068 			found = 0;
5069 			continue;
5070 		}
5071 
5072 		/*
5073 		 * Check if this rport already exists
5074 		 */
5075 		rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5076 		if (rport == NULL) {
5077 			/*
5078 			 * this is a new device. create rport
5079 			 */
5080 			rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5081 		} else {
5082 			/*
5083 			 * this rport already exists
5084 			 */
5085 			bfa_fcs_rport_scn(rport);
5086 		}
5087 
5088 		bfa_trc(port->fcs, gidft_entry->pid);
5089 
5090 		/*
5091 		 * if the last entry bit is set, bail out.
5092 		 */
5093 		if (gidft_entry->last)
5094 			return;
5095 	}
5096 }
5097 
5098 /*
5099  *  fcs_ns_public FCS nameserver public interfaces
5100  */
5101 
5102 /*
5103  * Functions called by port/fab.
5104  * These will send relevant Events to the ns state machine.
5105  */
5106 void
bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s * port)5107 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5108 {
5109 	struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5110 
5111 	ns->port = port;
5112 	bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5113 }
5114 
5115 void
bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s * port)5116 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5117 {
5118 	struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5119 
5120 	ns->port = port;
5121 	bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5122 }
5123 
5124 void
bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s * port)5125 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5126 {
5127 	struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5128 
5129 	ns->port = port;
5130 	bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5131 }
5132 
5133 void
bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s * port)5134 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5135 {
5136 	struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5137 
5138 	bfa_trc(port->fcs, port->pid);
5139 	if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5140 		bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5141 }
5142 
5143 static void
bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t * port)5144 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5145 {
5146 
5147 	struct bfa_fcs_rport_s *rport;
5148 	u8 nwwns;
5149 	wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
5150 	int ii;
5151 
5152 	bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5153 
5154 	for (ii = 0 ; ii < nwwns; ++ii) {
5155 		rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5156 		WARN_ON(!rport);
5157 	}
5158 }
5159 
5160 void
bfa_fcs_lport_ns_util_send_rspn_id(void * cbarg,struct bfa_fcxp_s * fcxp_alloced)5161 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5162 {
5163 	struct bfa_fcs_lport_ns_s *ns = cbarg;
5164 	struct bfa_fcs_lport_s *port = ns->port;
5165 	struct fchs_s fchs;
5166 	struct bfa_fcxp_s *fcxp;
5167 	u8 symbl[256];
5168 	int len;
5169 
5170 	/* Avoid sending RSPN in the following states. */
5171 	if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5172 	    bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5173 	    bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5174 	    bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5175 	    bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5176 		return;
5177 
5178 	memset(symbl, 0, sizeof(symbl));
5179 	bfa_trc(port->fcs, port->port_cfg.pwwn);
5180 
5181 	fcxp = fcxp_alloced ? fcxp_alloced :
5182 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5183 	if (!fcxp) {
5184 		port->stats.ns_rspnid_alloc_wait++;
5185 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5186 			bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5187 		return;
5188 	}
5189 
5190 	ns->fcxp = fcxp;
5191 
5192 	if (port->vport) {
5193 		/*
5194 		 * For Vports, we append the vport's port symbolic name
5195 		 * to that of the base port.
5196 		 */
5197 		strscpy(symbl, (char *)&(bfa_fcs_lport_get_psym_name
5198 			(bfa_fcs_get_base_port(port->fcs))),
5199 			sizeof(symbl));
5200 
5201 		strlcat(symbl,
5202 			(char *)&(bfa_fcs_lport_get_psym_name(port)),
5203 			sizeof(symbl));
5204 	}
5205 
5206 	len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5207 			      bfa_fcs_lport_get_fcid(port), 0, symbl);
5208 
5209 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5210 		      FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5211 
5212 	port->stats.ns_rspnid_sent++;
5213 }
5214 
5215 /*
5216  * FCS SCN
5217  */
5218 
5219 #define FC_QOS_RSCN_EVENT		0x0c
5220 #define FC_FABRIC_NAME_RSCN_EVENT	0x0d
5221 
5222 /*
5223  * forward declarations
5224  */
5225 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5226 					  struct bfa_fcxp_s *fcxp_alloced);
5227 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5228 					      struct bfa_fcxp_s *fcxp,
5229 					      void *cbarg,
5230 					      bfa_status_t req_status,
5231 					      u32 rsp_len,
5232 					      u32 resid_len,
5233 					      struct fchs_s *rsp_fchs);
5234 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5235 					     struct fchs_s *rx_fchs);
5236 static void     bfa_fcs_lport_scn_timeout(void *arg);
5237 
5238 /*
5239  *  fcs_scm_sm FCS SCN state machine
5240  */
5241 
5242 /*
5243  * VPort SCN State Machine events
5244  */
5245 enum port_scn_event {
5246 	SCNSM_EVENT_PORT_ONLINE = 1,
5247 	SCNSM_EVENT_PORT_OFFLINE = 2,
5248 	SCNSM_EVENT_RSP_OK = 3,
5249 	SCNSM_EVENT_RSP_ERROR = 4,
5250 	SCNSM_EVENT_TIMEOUT = 5,
5251 	SCNSM_EVENT_SCR_SENT = 6,
5252 };
5253 
5254 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5255 					    enum port_scn_event event);
5256 static void     bfa_fcs_lport_scn_sm_sending_scr(
5257 					struct bfa_fcs_lport_scn_s *scn,
5258 					enum port_scn_event event);
5259 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5260 					enum port_scn_event event);
5261 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5262 					      enum port_scn_event event);
5263 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5264 					   enum port_scn_event event);
5265 
5266 /*
5267  *	Starting state - awaiting link up.
5268  */
5269 static void
bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s * scn,enum port_scn_event event)5270 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5271 			enum port_scn_event event)
5272 {
5273 	switch (event) {
5274 	case SCNSM_EVENT_PORT_ONLINE:
5275 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5276 		bfa_fcs_lport_scn_send_scr(scn, NULL);
5277 		break;
5278 
5279 	case SCNSM_EVENT_PORT_OFFLINE:
5280 		break;
5281 
5282 	default:
5283 		bfa_sm_fault(scn->port->fcs, event);
5284 	}
5285 }
5286 
5287 static void
bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s * scn,enum port_scn_event event)5288 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5289 				enum port_scn_event event)
5290 {
5291 	switch (event) {
5292 	case SCNSM_EVENT_SCR_SENT:
5293 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5294 		break;
5295 
5296 	case SCNSM_EVENT_PORT_OFFLINE:
5297 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5298 		bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5299 		break;
5300 
5301 	default:
5302 		bfa_sm_fault(scn->port->fcs, event);
5303 	}
5304 }
5305 
5306 static void
bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s * scn,enum port_scn_event event)5307 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5308 			enum port_scn_event event)
5309 {
5310 	struct bfa_fcs_lport_s *port = scn->port;
5311 
5312 	switch (event) {
5313 	case SCNSM_EVENT_RSP_OK:
5314 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5315 		break;
5316 
5317 	case SCNSM_EVENT_RSP_ERROR:
5318 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5319 		bfa_timer_start(port->fcs->bfa, &scn->timer,
5320 				    bfa_fcs_lport_scn_timeout, scn,
5321 				    BFA_FCS_RETRY_TIMEOUT);
5322 		break;
5323 
5324 	case SCNSM_EVENT_PORT_OFFLINE:
5325 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5326 		bfa_fcxp_discard(scn->fcxp);
5327 		break;
5328 
5329 	default:
5330 		bfa_sm_fault(port->fcs, event);
5331 	}
5332 }
5333 
5334 static void
bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s * scn,enum port_scn_event event)5335 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5336 				enum port_scn_event event)
5337 {
5338 	switch (event) {
5339 	case SCNSM_EVENT_TIMEOUT:
5340 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5341 		bfa_fcs_lport_scn_send_scr(scn, NULL);
5342 		break;
5343 
5344 	case SCNSM_EVENT_PORT_OFFLINE:
5345 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5346 		bfa_timer_stop(&scn->timer);
5347 		break;
5348 
5349 	default:
5350 		bfa_sm_fault(scn->port->fcs, event);
5351 	}
5352 }
5353 
5354 static void
bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s * scn,enum port_scn_event event)5355 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5356 			enum port_scn_event event)
5357 {
5358 	switch (event) {
5359 	case SCNSM_EVENT_PORT_OFFLINE:
5360 		bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5361 		break;
5362 
5363 	default:
5364 		bfa_sm_fault(scn->port->fcs, event);
5365 	}
5366 }
5367 
5368 
5369 
5370 /*
5371  *  fcs_scn_private FCS SCN private functions
5372  */
5373 
5374 /*
5375  * This routine will be called to send a SCR command.
5376  */
5377 static void
bfa_fcs_lport_scn_send_scr(void * scn_cbarg,struct bfa_fcxp_s * fcxp_alloced)5378 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5379 {
5380 	struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5381 	struct bfa_fcs_lport_s *port = scn->port;
5382 	struct fchs_s fchs;
5383 	int             len;
5384 	struct bfa_fcxp_s *fcxp;
5385 
5386 	bfa_trc(port->fcs, port->pid);
5387 	bfa_trc(port->fcs, port->port_cfg.pwwn);
5388 
5389 	fcxp = fcxp_alloced ? fcxp_alloced :
5390 	       bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5391 	if (!fcxp) {
5392 		bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5393 				bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5394 		return;
5395 	}
5396 	scn->fcxp = fcxp;
5397 
5398 	/* Handle VU registrations for Base port only */
5399 	if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5400 		len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5401 				port->fabric->lps->brcd_switch,
5402 				port->pid, 0);
5403 	} else {
5404 	    len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5405 				    BFA_FALSE,
5406 				    port->pid, 0);
5407 	}
5408 
5409 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5410 			  FC_CLASS_3, len, &fchs,
5411 			  bfa_fcs_lport_scn_scr_response,
5412 			  (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5413 
5414 	bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5415 }
5416 
5417 static void
bfa_fcs_lport_scn_scr_response(void * fcsarg,struct bfa_fcxp_s * fcxp,void * cbarg,bfa_status_t req_status,u32 rsp_len,u32 resid_len,struct fchs_s * rsp_fchs)5418 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5419 			void *cbarg, bfa_status_t req_status, u32 rsp_len,
5420 			      u32 resid_len, struct fchs_s *rsp_fchs)
5421 {
5422 	struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5423 	struct bfa_fcs_lport_s *port = scn->port;
5424 	struct fc_els_cmd_s *els_cmd;
5425 	struct fc_ls_rjt_s *ls_rjt;
5426 
5427 	bfa_trc(port->fcs, port->port_cfg.pwwn);
5428 
5429 	/*
5430 	 * Sanity Checks
5431 	 */
5432 	if (req_status != BFA_STATUS_OK) {
5433 		bfa_trc(port->fcs, req_status);
5434 		bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5435 		return;
5436 	}
5437 
5438 	els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5439 
5440 	switch (els_cmd->els_code) {
5441 
5442 	case FC_ELS_ACC:
5443 		bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5444 		break;
5445 
5446 	case FC_ELS_LS_RJT:
5447 
5448 		ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5449 
5450 		bfa_trc(port->fcs, ls_rjt->reason_code);
5451 		bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5452 
5453 		bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5454 		break;
5455 
5456 	default:
5457 		bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5458 	}
5459 }
5460 
5461 /*
5462  * Send a LS Accept
5463  */
5464 static void
bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s * port,struct fchs_s * rx_fchs)5465 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5466 				struct fchs_s *rx_fchs)
5467 {
5468 	struct fchs_s fchs;
5469 	struct bfa_fcxp_s *fcxp;
5470 	struct bfa_rport_s *bfa_rport = NULL;
5471 	int             len;
5472 
5473 	bfa_trc(port->fcs, rx_fchs->s_id);
5474 
5475 	fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5476 	if (!fcxp)
5477 		return;
5478 
5479 	len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5480 			      rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5481 			      rx_fchs->ox_id);
5482 
5483 	bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5484 			  BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5485 			  FC_MAX_PDUSZ, 0);
5486 }
5487 
5488 /*
5489  *     This routine will be called by bfa_timer on timer timeouts.
5490  *
5491  *	param[in]	vport		- pointer to bfa_fcs_lport_t.
5492  *	param[out]	vport_status	- pointer to return vport status in
5493  *
5494  *	return
5495  *		void
5496  *
5497  *	Special Considerations:
5498  *
5499  *	note
5500  */
5501 static void
bfa_fcs_lport_scn_timeout(void * arg)5502 bfa_fcs_lport_scn_timeout(void *arg)
5503 {
5504 	struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5505 
5506 	bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5507 }
5508 
5509 
5510 
5511 /*
5512  *  fcs_scn_public FCS state change notification public interfaces
5513  */
5514 
5515 /*
5516  * Functions called by port/fab
5517  */
5518 void
bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s * port)5519 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5520 {
5521 	struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5522 
5523 	scn->port = port;
5524 	bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5525 }
5526 
5527 void
bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s * port)5528 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5529 {
5530 	struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5531 
5532 	scn->port = port;
5533 	bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5534 }
5535 
5536 void
bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s * port)5537 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5538 {
5539 	struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5540 
5541 	scn->port = port;
5542 	bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5543 }
5544 
5545 static void
bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s * port,u32 rpid)5546 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5547 {
5548 	struct bfa_fcs_rport_s *rport;
5549 	struct bfa_fcs_fabric_s *fabric = port->fabric;
5550 	struct bfa_fcs_vport_s *vport;
5551 	struct list_head *qe;
5552 
5553 	bfa_trc(port->fcs, rpid);
5554 
5555 	/*
5556 	 * Ignore PID if it is of base port or of vports created on the
5557 	 * same base port. It is to avoid vports discovering base port or
5558 	 * other vports created on same base port as remote port
5559 	 */
5560 	if (rpid == fabric->bport.pid)
5561 		return;
5562 
5563 	list_for_each(qe, &fabric->vport_q) {
5564 		vport = (struct bfa_fcs_vport_s *) qe;
5565 		if (vport->lport.pid == rpid)
5566 			return;
5567 	}
5568 	/*
5569 	 * If this is an unknown device, then it just came online.
5570 	 * Otherwise let rport handle the RSCN event.
5571 	 */
5572 	rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5573 	if (!rport)
5574 		rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5575 
5576 	if (rport == NULL) {
5577 		/*
5578 		 * If min cfg mode is enabled, we donot need to
5579 		 * discover any new rports.
5580 		 */
5581 		if (!__fcs_min_cfg(port->fcs))
5582 			rport = bfa_fcs_rport_create(port, rpid);
5583 	} else
5584 		bfa_fcs_rport_scn(rport);
5585 }
5586 
5587 /*
5588  * rscn format based PID comparison
5589  */
5590 #define __fc_pid_match(__c0, __c1, __fmt)		\
5591 	(((__fmt) == FC_RSCN_FORMAT_FABRIC) ||		\
5592 	 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&		\
5593 	  ((__c0)[0] == (__c1)[0])) ||				\
5594 	 (((__fmt) == FC_RSCN_FORMAT_AREA) &&		\
5595 	  ((__c0)[0] == (__c1)[0]) &&				\
5596 	  ((__c0)[1] == (__c1)[1])))
5597 
5598 static void
bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s * port,enum fc_rscn_format format,u32 rscn_pid)5599 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5600 				enum fc_rscn_format format,
5601 				u32 rscn_pid)
5602 {
5603 	struct bfa_fcs_rport_s *rport;
5604 	struct list_head        *qe, *qe_next;
5605 	u8        *c0, *c1;
5606 
5607 	bfa_trc(port->fcs, format);
5608 	bfa_trc(port->fcs, rscn_pid);
5609 
5610 	c0 = (u8 *) &rscn_pid;
5611 
5612 	list_for_each_safe(qe, qe_next, &port->rport_q) {
5613 		rport = (struct bfa_fcs_rport_s *) qe;
5614 		c1 = (u8 *) &rport->pid;
5615 		if (__fc_pid_match(c0, c1, format))
5616 			bfa_fcs_rport_scn(rport);
5617 	}
5618 }
5619 
5620 
5621 void
bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s * port,struct fchs_s * fchs,u32 len)5622 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5623 			struct fchs_s *fchs, u32 len)
5624 {
5625 	struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5626 	int             num_entries;
5627 	u32        rscn_pid;
5628 	bfa_boolean_t   nsquery = BFA_FALSE, found;
5629 	int             i = 0, j;
5630 
5631 	num_entries =
5632 		(be16_to_cpu(rscn->payldlen) -
5633 		 sizeof(u32)) / sizeof(rscn->event[0]);
5634 
5635 	bfa_trc(port->fcs, num_entries);
5636 
5637 	port->stats.num_rscn++;
5638 
5639 	bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5640 
5641 	for (i = 0; i < num_entries; i++) {
5642 		rscn_pid = rscn->event[i].portid;
5643 
5644 		bfa_trc(port->fcs, rscn->event[i].format);
5645 		bfa_trc(port->fcs, rscn_pid);
5646 
5647 		/* check for duplicate entries in the list */
5648 		found = BFA_FALSE;
5649 		for (j = 0; j < i; j++) {
5650 			if (rscn->event[j].portid == rscn_pid) {
5651 				found = BFA_TRUE;
5652 				break;
5653 			}
5654 		}
5655 
5656 		/* if found in down the list, pid has been already processed */
5657 		if (found) {
5658 			bfa_trc(port->fcs, rscn_pid);
5659 			continue;
5660 		}
5661 
5662 		switch (rscn->event[i].format) {
5663 		case FC_RSCN_FORMAT_PORTID:
5664 			if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5665 				/*
5666 				 * Ignore this event.
5667 				 * f/w would have processed it
5668 				 */
5669 				bfa_trc(port->fcs, rscn_pid);
5670 			} else {
5671 				port->stats.num_portid_rscn++;
5672 				bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5673 			}
5674 		break;
5675 
5676 		case FC_RSCN_FORMAT_FABRIC:
5677 			if (rscn->event[i].qualifier ==
5678 					FC_FABRIC_NAME_RSCN_EVENT) {
5679 				bfa_fcs_lport_ms_fabric_rscn(port);
5680 				break;
5681 			}
5682 			fallthrough;
5683 
5684 		case FC_RSCN_FORMAT_AREA:
5685 		case FC_RSCN_FORMAT_DOMAIN:
5686 			nsquery = BFA_TRUE;
5687 			bfa_fcs_lport_scn_multiport_rscn(port,
5688 							rscn->event[i].format,
5689 							rscn_pid);
5690 			break;
5691 
5692 
5693 		default:
5694 			WARN_ON(1);
5695 			nsquery = BFA_TRUE;
5696 		}
5697 	}
5698 
5699 	/*
5700 	 * If any of area, domain or fabric RSCN is received, do a fresh
5701 	 * discovery to find new devices.
5702 	 */
5703 	if (nsquery)
5704 		bfa_fcs_lport_ns_query(port);
5705 }
5706 
5707 /*
5708  * BFA FCS port
5709  */
5710 /*
5711  *  fcs_port_api BFA FCS port API
5712  */
5713 struct bfa_fcs_lport_s *
bfa_fcs_get_base_port(struct bfa_fcs_s * fcs)5714 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5715 {
5716 	return &fcs->fabric.bport;
5717 }
5718 
5719 wwn_t
bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s * port,wwn_t wwn,int index,int nrports,bfa_boolean_t bwwn)5720 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5721 		int nrports, bfa_boolean_t bwwn)
5722 {
5723 	struct list_head	*qh, *qe;
5724 	struct bfa_fcs_rport_s *rport = NULL;
5725 	int	i;
5726 	struct bfa_fcs_s	*fcs;
5727 
5728 	if (port == NULL || nrports == 0)
5729 		return (wwn_t) 0;
5730 
5731 	fcs = port->fcs;
5732 	bfa_trc(fcs, (u32) nrports);
5733 
5734 	i = 0;
5735 	qh = &port->rport_q;
5736 	qe = bfa_q_first(qh);
5737 
5738 	while ((qe != qh) && (i < nrports)) {
5739 		rport = (struct bfa_fcs_rport_s *) qe;
5740 		if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5741 			qe = bfa_q_next(qe);
5742 			bfa_trc(fcs, (u32) rport->pwwn);
5743 			bfa_trc(fcs, rport->pid);
5744 			bfa_trc(fcs, i);
5745 			continue;
5746 		}
5747 
5748 		if (bwwn) {
5749 			if (!memcmp(&wwn, &rport->pwwn, 8))
5750 				break;
5751 		} else {
5752 			if (i == index)
5753 				break;
5754 		}
5755 
5756 		i++;
5757 		qe = bfa_q_next(qe);
5758 	}
5759 
5760 	bfa_trc(fcs, i);
5761 	if (rport)
5762 		return rport->pwwn;
5763 	else
5764 		return (wwn_t) 0;
5765 }
5766 
5767 void
bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s * port,struct bfa_rport_qualifier_s rports[],int * nrports)5768 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5769 		struct bfa_rport_qualifier_s rports[], int *nrports)
5770 {
5771 	struct list_head	*qh, *qe;
5772 	struct bfa_fcs_rport_s *rport = NULL;
5773 	int	i;
5774 	struct bfa_fcs_s	*fcs;
5775 
5776 	if (port == NULL || rports == NULL || *nrports == 0)
5777 		return;
5778 
5779 	fcs = port->fcs;
5780 	bfa_trc(fcs, (u32) *nrports);
5781 
5782 	i = 0;
5783 	qh = &port->rport_q;
5784 	qe = bfa_q_first(qh);
5785 
5786 	while ((qe != qh) && (i < *nrports)) {
5787 		rport = (struct bfa_fcs_rport_s *) qe;
5788 		if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5789 			qe = bfa_q_next(qe);
5790 			bfa_trc(fcs, (u32) rport->pwwn);
5791 			bfa_trc(fcs, rport->pid);
5792 			bfa_trc(fcs, i);
5793 			continue;
5794 		}
5795 
5796 		if (!rport->pwwn && !rport->pid) {
5797 			qe = bfa_q_next(qe);
5798 			continue;
5799 		}
5800 
5801 		rports[i].pwwn = rport->pwwn;
5802 		rports[i].pid = rport->pid;
5803 
5804 		i++;
5805 		qe = bfa_q_next(qe);
5806 	}
5807 
5808 	bfa_trc(fcs, i);
5809 	*nrports = i;
5810 }
5811 
5812 /*
5813  * Iterate's through all the rport's in the given port to
5814  * determine the maximum operating speed.
5815  *
5816  * !!!! To be used in TRL Functionality only !!!!
5817  */
5818 bfa_port_speed_t
bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t * port)5819 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5820 {
5821 	struct list_head *qh, *qe;
5822 	struct bfa_fcs_rport_s *rport = NULL;
5823 	struct bfa_fcs_s	*fcs;
5824 	bfa_port_speed_t max_speed = 0;
5825 	struct bfa_port_attr_s port_attr;
5826 	bfa_port_speed_t port_speed, rport_speed;
5827 	bfa_boolean_t trl_enabled;
5828 
5829 	if (port == NULL)
5830 		return 0;
5831 
5832 	fcs = port->fcs;
5833 	trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5834 
5835 	/* Get Physical port's current speed */
5836 	bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5837 	port_speed = port_attr.speed;
5838 	bfa_trc(fcs, port_speed);
5839 
5840 	qh = &port->rport_q;
5841 	qe = bfa_q_first(qh);
5842 
5843 	while (qe != qh) {
5844 		rport = (struct bfa_fcs_rport_s *) qe;
5845 		if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5846 			(bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5847 			(rport->scsi_function != BFA_RPORT_TARGET)) {
5848 			qe = bfa_q_next(qe);
5849 			continue;
5850 		}
5851 
5852 		rport_speed = rport->rpf.rpsc_speed;
5853 		if ((trl_enabled) && (rport_speed ==
5854 			BFA_PORT_SPEED_UNKNOWN)) {
5855 			/* Use default ratelim speed setting */
5856 			rport_speed =
5857 				bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5858 		}
5859 
5860 		if (rport_speed > max_speed)
5861 			max_speed = rport_speed;
5862 
5863 		qe = bfa_q_next(qe);
5864 	}
5865 
5866 	if (max_speed > port_speed)
5867 		max_speed = port_speed;
5868 
5869 	bfa_trc(fcs, max_speed);
5870 	return max_speed;
5871 }
5872 
5873 struct bfa_fcs_lport_s *
bfa_fcs_lookup_port(struct bfa_fcs_s * fcs,u16 vf_id,wwn_t lpwwn)5874 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5875 {
5876 	struct bfa_fcs_vport_s *vport;
5877 	bfa_fcs_vf_t   *vf;
5878 
5879 	WARN_ON(fcs == NULL);
5880 
5881 	vf = bfa_fcs_vf_lookup(fcs, vf_id);
5882 	if (vf == NULL) {
5883 		bfa_trc(fcs, vf_id);
5884 		return NULL;
5885 	}
5886 
5887 	if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5888 		return &vf->bport;
5889 
5890 	vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5891 	if (vport)
5892 		return &vport->lport;
5893 
5894 	return NULL;
5895 }
5896 
5897 /*
5898  *  API corresponding to NPIV_VPORT_GETINFO.
5899  */
5900 void
bfa_fcs_lport_get_info(struct bfa_fcs_lport_s * port,struct bfa_lport_info_s * port_info)5901 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5902 	 struct bfa_lport_info_s *port_info)
5903 {
5904 
5905 	bfa_trc(port->fcs, port->fabric->fabric_name);
5906 
5907 	if (port->vport == NULL) {
5908 		/*
5909 		 * This is a Physical port
5910 		 */
5911 		port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5912 
5913 		/*
5914 		 * @todo : need to fix the state & reason
5915 		 */
5916 		port_info->port_state = 0;
5917 		port_info->offline_reason = 0;
5918 
5919 		port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5920 		port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5921 
5922 		port_info->max_vports_supp =
5923 			bfa_lps_get_max_vport(port->fcs->bfa);
5924 		port_info->num_vports_inuse =
5925 			port->fabric->num_vports;
5926 		port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5927 		port_info->num_rports_inuse = port->num_rports;
5928 	} else {
5929 		/*
5930 		 * This is a virtual port
5931 		 */
5932 		port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5933 
5934 		/*
5935 		 * @todo : need to fix the state & reason
5936 		 */
5937 		port_info->port_state = 0;
5938 		port_info->offline_reason = 0;
5939 
5940 		port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5941 		port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5942 	}
5943 }
5944 
5945 void
bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s * fcs_port,struct bfa_lport_stats_s * port_stats)5946 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5947 	 struct bfa_lport_stats_s *port_stats)
5948 {
5949 	*port_stats = fcs_port->stats;
5950 }
5951 
5952 void
bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s * fcs_port)5953 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5954 {
5955 	memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5956 }
5957 
5958 /*
5959  * Let new loop map create missing rports
5960  */
5961 void
bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s * port)5962 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5963 {
5964 	bfa_fcs_lport_loop_online(port);
5965 }
5966 
5967 /*
5968  * FCS virtual port state machine
5969  */
5970 
5971 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5972 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5973 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5974 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5975 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5976 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5977 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5978 
5979 #define BFA_FCS_VPORT_MAX_RETRIES  5
5980 /*
5981  * Forward declarations
5982  */
5983 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5984 static void     bfa_fcs_vport_timeout(void *vport_arg);
5985 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5986 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5987 
5988 /*
5989  *  fcs_vport_sm FCS virtual port state machine
5990  */
5991 
5992 /*
5993  * VPort State Machine events
5994  */
5995 enum bfa_fcs_vport_event {
5996 	BFA_FCS_VPORT_SM_CREATE = 1,	/*  vport create event */
5997 	BFA_FCS_VPORT_SM_DELETE = 2,	/*  vport delete event */
5998 	BFA_FCS_VPORT_SM_START = 3,	/*  vport start request */
5999 	BFA_FCS_VPORT_SM_STOP = 4,	/*  stop: unsupported */
6000 	BFA_FCS_VPORT_SM_ONLINE = 5,	/*  fabric online */
6001 	BFA_FCS_VPORT_SM_OFFLINE = 6,	/*  fabric offline event */
6002 	BFA_FCS_VPORT_SM_FRMSENT = 7,	/*  fdisc/logo sent events */
6003 	BFA_FCS_VPORT_SM_RSP_OK = 8,	/*  good response */
6004 	BFA_FCS_VPORT_SM_RSP_ERROR = 9,	/*  error/bad response */
6005 	BFA_FCS_VPORT_SM_TIMEOUT = 10,	/*  delay timer event */
6006 	BFA_FCS_VPORT_SM_DELCOMP = 11,	/*  lport delete completion */
6007 	BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,	/*  Dup wnn error*/
6008 	BFA_FCS_VPORT_SM_RSP_FAILED = 13,	/*  non-retryable failure */
6009 	BFA_FCS_VPORT_SM_STOPCOMP = 14,	/* vport delete completion */
6010 	BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
6011 };
6012 
6013 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6014 					enum bfa_fcs_vport_event event);
6015 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6016 					 enum bfa_fcs_vport_event event);
6017 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6018 					 enum bfa_fcs_vport_event event);
6019 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6020 				       enum bfa_fcs_vport_event event);
6021 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6022 					     enum bfa_fcs_vport_event event);
6023 static void	bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6024 					enum bfa_fcs_vport_event event);
6025 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6026 					enum bfa_fcs_vport_event event);
6027 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6028 					  enum bfa_fcs_vport_event event);
6029 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6030 					 enum bfa_fcs_vport_event event);
6031 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6032 				      enum bfa_fcs_vport_event event);
6033 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6034 				      enum bfa_fcs_vport_event event);
6035 static void	bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6036 					enum bfa_fcs_vport_event event);
6037 static void	bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6038 					enum bfa_fcs_vport_event event);
6039 
6040 static struct bfa_sm_table_s  vport_sm_table[] = {
6041 	{BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6042 	{BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6043 	{BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6044 	{BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6045 	{BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6046 	{BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6047 	{BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6048 	{BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6049 	{BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6050 	{BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6051 	{BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6052 };
6053 
6054 /*
6055  * Beginning state.
6056  */
6057 static void
bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6058 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6059 			enum bfa_fcs_vport_event event)
6060 {
6061 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6062 	bfa_trc(__vport_fcs(vport), event);
6063 
6064 	switch (event) {
6065 	case BFA_FCS_VPORT_SM_CREATE:
6066 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6067 		bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6068 		break;
6069 
6070 	default:
6071 		bfa_sm_fault(__vport_fcs(vport), event);
6072 	}
6073 }
6074 
6075 /*
6076  * Created state - a start event is required to start up the state machine.
6077  */
6078 static void
bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6079 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6080 			enum bfa_fcs_vport_event event)
6081 {
6082 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6083 	bfa_trc(__vport_fcs(vport), event);
6084 
6085 	switch (event) {
6086 	case BFA_FCS_VPORT_SM_START:
6087 		if (bfa_sm_cmp_state(__vport_fabric(vport),
6088 					bfa_fcs_fabric_sm_online)
6089 		    && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6090 			bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6091 			bfa_fcs_vport_do_fdisc(vport);
6092 		} else {
6093 			/*
6094 			 * Fabric is offline or not NPIV capable, stay in
6095 			 * offline state.
6096 			 */
6097 			vport->vport_stats.fab_no_npiv++;
6098 			bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6099 		}
6100 		break;
6101 
6102 	case BFA_FCS_VPORT_SM_DELETE:
6103 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6104 		bfa_fcs_lport_delete(&vport->lport);
6105 		break;
6106 
6107 	case BFA_FCS_VPORT_SM_ONLINE:
6108 	case BFA_FCS_VPORT_SM_OFFLINE:
6109 		/*
6110 		 * Ignore ONLINE/OFFLINE events from fabric
6111 		 * till vport is started.
6112 		 */
6113 		break;
6114 
6115 	default:
6116 		bfa_sm_fault(__vport_fcs(vport), event);
6117 	}
6118 }
6119 
6120 /*
6121  * Offline state - awaiting ONLINE event from fabric SM.
6122  */
6123 static void
bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6124 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6125 			enum bfa_fcs_vport_event event)
6126 {
6127 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6128 	bfa_trc(__vport_fcs(vport), event);
6129 
6130 	switch (event) {
6131 	case BFA_FCS_VPORT_SM_DELETE:
6132 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6133 		bfa_fcs_lport_delete(&vport->lport);
6134 		break;
6135 
6136 	case BFA_FCS_VPORT_SM_ONLINE:
6137 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6138 		vport->fdisc_retries = 0;
6139 		bfa_fcs_vport_do_fdisc(vport);
6140 		break;
6141 
6142 	case BFA_FCS_VPORT_SM_STOP:
6143 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6144 		bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6145 		break;
6146 
6147 	case BFA_FCS_VPORT_SM_OFFLINE:
6148 		/*
6149 		 * This can happen if the vport couldn't be initialzied
6150 		 * due the fact that the npiv was not enabled on the switch.
6151 		 * In that case we will put the vport in offline state.
6152 		 * However, the link can go down and cause the this event to
6153 		 * be sent when we are already offline. Ignore it.
6154 		 */
6155 		break;
6156 
6157 	default:
6158 		bfa_sm_fault(__vport_fcs(vport), event);
6159 	}
6160 }
6161 
6162 
6163 /*
6164  * FDISC is sent and awaiting reply from fabric.
6165  */
6166 static void
bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6167 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6168 			enum bfa_fcs_vport_event event)
6169 {
6170 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6171 	bfa_trc(__vport_fcs(vport), event);
6172 
6173 	switch (event) {
6174 	case BFA_FCS_VPORT_SM_DELETE:
6175 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6176 		break;
6177 
6178 	case BFA_FCS_VPORT_SM_OFFLINE:
6179 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6180 		bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6181 		break;
6182 
6183 	case BFA_FCS_VPORT_SM_RSP_OK:
6184 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6185 		bfa_fcs_lport_online(&vport->lport);
6186 		break;
6187 
6188 	case BFA_FCS_VPORT_SM_RSP_ERROR:
6189 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6190 		bfa_timer_start(__vport_bfa(vport), &vport->timer,
6191 				    bfa_fcs_vport_timeout, vport,
6192 				    BFA_FCS_RETRY_TIMEOUT);
6193 		break;
6194 
6195 	case BFA_FCS_VPORT_SM_RSP_FAILED:
6196 	case BFA_FCS_VPORT_SM_FABRIC_MAX:
6197 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6198 		break;
6199 
6200 	case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6201 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6202 		break;
6203 
6204 	default:
6205 		bfa_sm_fault(__vport_fcs(vport), event);
6206 	}
6207 }
6208 
6209 /*
6210  * FDISC attempt failed - a timer is active to retry FDISC.
6211  */
6212 static void
bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6213 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6214 			     enum bfa_fcs_vport_event event)
6215 {
6216 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6217 	bfa_trc(__vport_fcs(vport), event);
6218 
6219 	switch (event) {
6220 	case BFA_FCS_VPORT_SM_DELETE:
6221 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6222 		bfa_timer_stop(&vport->timer);
6223 		bfa_fcs_lport_delete(&vport->lport);
6224 		break;
6225 
6226 	case BFA_FCS_VPORT_SM_OFFLINE:
6227 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6228 		bfa_timer_stop(&vport->timer);
6229 		break;
6230 
6231 	case BFA_FCS_VPORT_SM_TIMEOUT:
6232 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6233 		vport->vport_stats.fdisc_retries++;
6234 		vport->fdisc_retries++;
6235 		bfa_fcs_vport_do_fdisc(vport);
6236 		break;
6237 
6238 	default:
6239 		bfa_sm_fault(__vport_fcs(vport), event);
6240 	}
6241 }
6242 
6243 /*
6244  * FDISC is in progress and we got a vport delete request -
6245  * this is a wait state while we wait for fdisc response and
6246  * we will transition to the appropriate state - on rsp status.
6247  */
6248 static void
bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6249 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6250 				enum bfa_fcs_vport_event event)
6251 {
6252 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6253 	bfa_trc(__vport_fcs(vport), event);
6254 
6255 	switch (event) {
6256 	case BFA_FCS_VPORT_SM_RSP_OK:
6257 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6258 		bfa_fcs_lport_delete(&vport->lport);
6259 		break;
6260 
6261 	case BFA_FCS_VPORT_SM_DELETE:
6262 		break;
6263 
6264 	case BFA_FCS_VPORT_SM_OFFLINE:
6265 	case BFA_FCS_VPORT_SM_RSP_ERROR:
6266 	case BFA_FCS_VPORT_SM_RSP_FAILED:
6267 	case BFA_FCS_VPORT_SM_FABRIC_MAX:
6268 	case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6269 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6270 		bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6271 		bfa_fcs_lport_delete(&vport->lport);
6272 		break;
6273 
6274 	default:
6275 		bfa_sm_fault(__vport_fcs(vport), event);
6276 	}
6277 }
6278 
6279 /*
6280  * Vport is online (FDISC is complete).
6281  */
6282 static void
bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6283 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6284 			enum bfa_fcs_vport_event event)
6285 {
6286 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6287 	bfa_trc(__vport_fcs(vport), event);
6288 
6289 	switch (event) {
6290 	case BFA_FCS_VPORT_SM_DELETE:
6291 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6292 		bfa_fcs_lport_delete(&vport->lport);
6293 		break;
6294 
6295 	case BFA_FCS_VPORT_SM_STOP:
6296 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6297 		bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6298 		break;
6299 
6300 	case BFA_FCS_VPORT_SM_OFFLINE:
6301 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6302 		bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6303 		bfa_fcs_lport_offline(&vport->lport);
6304 		break;
6305 
6306 	default:
6307 		bfa_sm_fault(__vport_fcs(vport), event);
6308 	}
6309 }
6310 
6311 /*
6312  * Vport is being stopped - awaiting lport stop completion to send
6313  * LOGO to fabric.
6314  */
6315 static void
bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6316 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6317 			  enum bfa_fcs_vport_event event)
6318 {
6319 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6320 	bfa_trc(__vport_fcs(vport), event);
6321 
6322 	switch (event) {
6323 	case BFA_FCS_VPORT_SM_STOPCOMP:
6324 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6325 		bfa_fcs_vport_do_logo(vport);
6326 		break;
6327 
6328 	case BFA_FCS_VPORT_SM_OFFLINE:
6329 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6330 		break;
6331 
6332 	default:
6333 		bfa_sm_fault(__vport_fcs(vport), event);
6334 	}
6335 }
6336 
6337 /*
6338  * Vport is being deleted - awaiting lport delete completion to send
6339  * LOGO to fabric.
6340  */
6341 static void
bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6342 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6343 			enum bfa_fcs_vport_event event)
6344 {
6345 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6346 	bfa_trc(__vport_fcs(vport), event);
6347 
6348 	switch (event) {
6349 	case BFA_FCS_VPORT_SM_DELETE:
6350 		break;
6351 
6352 	case BFA_FCS_VPORT_SM_DELCOMP:
6353 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6354 		bfa_fcs_vport_do_logo(vport);
6355 		break;
6356 
6357 	case BFA_FCS_VPORT_SM_OFFLINE:
6358 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6359 		break;
6360 
6361 	default:
6362 		bfa_sm_fault(__vport_fcs(vport), event);
6363 	}
6364 }
6365 
6366 /*
6367  * Error State.
6368  * This state will be set when the Vport Creation fails due
6369  * to errors like Dup WWN. In this state only operation allowed
6370  * is a Vport Delete.
6371  */
6372 static void
bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6373 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6374 			enum bfa_fcs_vport_event event)
6375 {
6376 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6377 	bfa_trc(__vport_fcs(vport), event);
6378 
6379 	switch (event) {
6380 	case BFA_FCS_VPORT_SM_DELETE:
6381 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6382 		bfa_fcs_lport_delete(&vport->lport);
6383 		break;
6384 
6385 	default:
6386 		bfa_trc(__vport_fcs(vport), event);
6387 	}
6388 }
6389 
6390 /*
6391  * Lport cleanup is in progress since vport is being deleted. Fabric is
6392  * offline, so no LOGO is needed to complete vport deletion.
6393  */
6394 static void
bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6395 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6396 			enum bfa_fcs_vport_event event)
6397 {
6398 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6399 	bfa_trc(__vport_fcs(vport), event);
6400 
6401 	switch (event) {
6402 	case BFA_FCS_VPORT_SM_DELCOMP:
6403 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6404 		bfa_fcs_vport_free(vport);
6405 		break;
6406 
6407 	case BFA_FCS_VPORT_SM_STOPCOMP:
6408 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6409 		break;
6410 
6411 	case BFA_FCS_VPORT_SM_DELETE:
6412 		break;
6413 
6414 	default:
6415 		bfa_sm_fault(__vport_fcs(vport), event);
6416 	}
6417 }
6418 
6419 /*
6420  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6421  * is done.
6422  */
6423 static void
bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6424 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6425 			       enum bfa_fcs_vport_event event)
6426 {
6427 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6428 	bfa_trc(__vport_fcs(vport), event);
6429 
6430 	switch (event) {
6431 	case BFA_FCS_VPORT_SM_OFFLINE:
6432 		bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6433 		fallthrough;
6434 
6435 	case BFA_FCS_VPORT_SM_RSP_OK:
6436 	case BFA_FCS_VPORT_SM_RSP_ERROR:
6437 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6438 		break;
6439 
6440 	default:
6441 		bfa_sm_fault(__vport_fcs(vport), event);
6442 	}
6443 }
6444 
6445 /*
6446  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6447  * is done.
6448  */
6449 static void
bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s * vport,enum bfa_fcs_vport_event event)6450 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6451 			enum bfa_fcs_vport_event event)
6452 {
6453 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6454 	bfa_trc(__vport_fcs(vport), event);
6455 
6456 	switch (event) {
6457 	case BFA_FCS_VPORT_SM_OFFLINE:
6458 		bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6459 		fallthrough;
6460 
6461 	case BFA_FCS_VPORT_SM_RSP_OK:
6462 	case BFA_FCS_VPORT_SM_RSP_ERROR:
6463 		bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6464 		bfa_fcs_vport_free(vport);
6465 		break;
6466 
6467 	case BFA_FCS_VPORT_SM_DELETE:
6468 		break;
6469 
6470 	default:
6471 		bfa_sm_fault(__vport_fcs(vport), event);
6472 	}
6473 }
6474 
6475 
6476 
6477 /*
6478  *  fcs_vport_private FCS virtual port private functions
6479  */
6480 /*
6481  * Send AEN notification
6482  */
6483 static void
bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s * port,enum bfa_lport_aen_event event)6484 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6485 		       enum bfa_lport_aen_event event)
6486 {
6487 	struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6488 	struct bfa_aen_entry_s  *aen_entry;
6489 
6490 	bfad_get_aen_entry(bfad, aen_entry);
6491 	if (!aen_entry)
6492 		return;
6493 
6494 	aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6495 	aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6496 	aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6497 					bfa_fcs_get_base_port(port->fcs));
6498 	aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6499 
6500 	/* Send the AEN notification */
6501 	bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6502 				  BFA_AEN_CAT_LPORT, event);
6503 }
6504 
6505 /*
6506  * This routine will be called to send a FDISC command.
6507  */
6508 static void
bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s * vport)6509 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6510 {
6511 	bfa_lps_fdisc(vport->lps, vport,
6512 		bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6513 		__vport_pwwn(vport), __vport_nwwn(vport));
6514 	vport->vport_stats.fdisc_sent++;
6515 }
6516 
6517 static void
bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s * vport)6518 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6519 {
6520 	u8		lsrjt_rsn = vport->lps->lsrjt_rsn;
6521 	u8		lsrjt_expl = vport->lps->lsrjt_expl;
6522 
6523 	bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6524 	bfa_trc(__vport_fcs(vport), lsrjt_expl);
6525 
6526 	/* For certain reason codes, we don't want to retry. */
6527 	switch (vport->lps->lsrjt_expl) {
6528 	case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6529 	case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6530 		if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6531 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6532 		else {
6533 			bfa_fcs_vport_aen_post(&vport->lport,
6534 					BFA_LPORT_AEN_NPIV_DUP_WWN);
6535 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6536 		}
6537 		break;
6538 
6539 	case FC_LS_RJT_EXP_INSUFF_RES:
6540 		/*
6541 		 * This means max logins per port/switch setting on the
6542 		 * switch was exceeded.
6543 		 */
6544 		if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6545 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6546 		else {
6547 			bfa_fcs_vport_aen_post(&vport->lport,
6548 					BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6549 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6550 		}
6551 		break;
6552 
6553 	default:
6554 		if (vport->fdisc_retries == 0)
6555 			bfa_fcs_vport_aen_post(&vport->lport,
6556 					BFA_LPORT_AEN_NPIV_UNKNOWN);
6557 		bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6558 	}
6559 }
6560 
6561 /*
6562  *	Called to send a logout to the fabric. Used when a V-Port is
6563  *	deleted/stopped.
6564  */
6565 static void
bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s * vport)6566 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6567 {
6568 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6569 
6570 	vport->vport_stats.logo_sent++;
6571 	bfa_lps_fdisclogo(vport->lps);
6572 }
6573 
6574 
6575 /*
6576  *     This routine will be called by bfa_timer on timer timeouts.
6577  *
6578  *	param[in]	vport		- pointer to bfa_fcs_vport_t.
6579  *	param[out]	vport_status	- pointer to return vport status in
6580  *
6581  *	return
6582  *		void
6583  *
6584  *	Special Considerations:
6585  *
6586  *	note
6587  */
6588 static void
bfa_fcs_vport_timeout(void * vport_arg)6589 bfa_fcs_vport_timeout(void *vport_arg)
6590 {
6591 	struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6592 
6593 	vport->vport_stats.fdisc_timeouts++;
6594 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6595 }
6596 
6597 static void
bfa_fcs_vport_free(struct bfa_fcs_vport_s * vport)6598 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6599 {
6600 	struct bfad_vport_s *vport_drv =
6601 			(struct bfad_vport_s *)vport->vport_drv;
6602 
6603 	bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6604 	bfa_lps_delete(vport->lps);
6605 
6606 	if (vport_drv->comp_del) {
6607 		complete(vport_drv->comp_del);
6608 		return;
6609 	}
6610 
6611 	/*
6612 	 * We queue the vport delete work to the IM work_q from here.
6613 	 * The memory for the bfad_vport_s is freed from the FC function
6614 	 * template vport_delete entry point.
6615 	 */
6616 	bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6617 }
6618 
6619 /*
6620  *  fcs_vport_public FCS virtual port public interfaces
6621  */
6622 
6623 /*
6624  * Online notification from fabric SM.
6625  */
6626 void
bfa_fcs_vport_online(struct bfa_fcs_vport_s * vport)6627 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6628 {
6629 	vport->vport_stats.fab_online++;
6630 	if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6631 		bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6632 	else
6633 		vport->vport_stats.fab_no_npiv++;
6634 }
6635 
6636 /*
6637  * Offline notification from fabric SM.
6638  */
6639 void
bfa_fcs_vport_offline(struct bfa_fcs_vport_s * vport)6640 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6641 {
6642 	vport->vport_stats.fab_offline++;
6643 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6644 }
6645 
6646 /*
6647  * Cleanup notification from fabric SM on link timer expiry.
6648  */
6649 void
bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s * vport)6650 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6651 {
6652 	vport->vport_stats.fab_cleanup++;
6653 }
6654 
6655 /*
6656  * Stop notification from fabric SM. To be invoked from within FCS.
6657  */
6658 void
bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s * vport)6659 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6660 {
6661 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6662 }
6663 
6664 /*
6665  * delete notification from fabric SM. To be invoked from within FCS.
6666  */
6667 void
bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s * vport)6668 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6669 {
6670 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6671 }
6672 
6673 /*
6674  * Stop completion callback from associated lport
6675  */
6676 void
bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s * vport)6677 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6678 {
6679 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6680 }
6681 
6682 /*
6683  * Delete completion callback from associated lport
6684  */
6685 void
bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s * vport)6686 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6687 {
6688 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6689 }
6690 
6691 
6692 
6693 /*
6694  *  fcs_vport_api Virtual port API
6695  */
6696 
6697 /*
6698  *	Use this function to instantiate a new FCS vport object. This
6699  *	function will not trigger any HW initialization process (which will be
6700  *	done in vport_start() call)
6701  *
6702  *	param[in] vport	-		pointer to bfa_fcs_vport_t. This space
6703  *					needs to be allocated by the driver.
6704  *	param[in] fcs		-	FCS instance
6705  *	param[in] vport_cfg	-	vport configuration
6706  *	param[in] vf_id		-	VF_ID if vport is created within a VF.
6707  *					FC_VF_ID_NULL to specify base fabric.
6708  *	param[in] vport_drv	-	Opaque handle back to the driver's vport
6709  *					structure
6710  *
6711  *	retval BFA_STATUS_OK - on success.
6712  *	retval BFA_STATUS_FAILED - on failure.
6713  */
6714 bfa_status_t
bfa_fcs_vport_create(struct bfa_fcs_vport_s * vport,struct bfa_fcs_s * fcs,u16 vf_id,struct bfa_lport_cfg_s * vport_cfg,struct bfad_vport_s * vport_drv)6715 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6716 		u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6717 		struct bfad_vport_s *vport_drv)
6718 {
6719 	if (vport_cfg->pwwn == 0)
6720 		return BFA_STATUS_INVALID_WWN;
6721 
6722 	if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6723 		return BFA_STATUS_VPORT_WWN_BP;
6724 
6725 	if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6726 		return BFA_STATUS_VPORT_EXISTS;
6727 
6728 	if (fcs->fabric.num_vports ==
6729 			bfa_lps_get_max_vport(fcs->bfa))
6730 		return BFA_STATUS_VPORT_MAX;
6731 
6732 	vport->lps = bfa_lps_alloc(fcs->bfa);
6733 	if (!vport->lps)
6734 		return BFA_STATUS_VPORT_MAX;
6735 
6736 	vport->vport_drv = vport_drv;
6737 	vport_cfg->preboot_vp = BFA_FALSE;
6738 
6739 	bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6740 	bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6741 	bfa_fcs_lport_init(&vport->lport, vport_cfg);
6742 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6743 
6744 	return BFA_STATUS_OK;
6745 }
6746 
6747 /*
6748  *	Use this function to instantiate a new FCS PBC vport object. This
6749  *	function will not trigger any HW initialization process (which will be
6750  *	done in vport_start() call)
6751  *
6752  *	param[in] vport	-	pointer to bfa_fcs_vport_t. This space
6753  *				needs to be allocated by the driver.
6754  *	param[in] fcs	-	FCS instance
6755  *	param[in] vport_cfg	-	vport configuration
6756  *	param[in] vf_id		-	VF_ID if vport is created within a VF.
6757  *					FC_VF_ID_NULL to specify base fabric.
6758  *	param[in] vport_drv	-	Opaque handle back to the driver's vport
6759  *					structure
6760  *
6761  *	retval BFA_STATUS_OK - on success.
6762  *	retval BFA_STATUS_FAILED - on failure.
6763  */
6764 bfa_status_t
bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s * vport,struct bfa_fcs_s * fcs,u16 vf_id,struct bfa_lport_cfg_s * vport_cfg,struct bfad_vport_s * vport_drv)6765 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6766 			u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6767 			struct bfad_vport_s *vport_drv)
6768 {
6769 	bfa_status_t rc;
6770 
6771 	rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6772 	vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6773 
6774 	return rc;
6775 }
6776 
6777 /*
6778  *	Use this function to findout if this is a pbc vport or not.
6779  *
6780  * @param[in] vport - pointer to bfa_fcs_vport_t.
6781  *
6782  * @returns None
6783  */
6784 bfa_boolean_t
bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s * vport)6785 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6786 {
6787 
6788 	if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6789 		return BFA_TRUE;
6790 	else
6791 		return BFA_FALSE;
6792 
6793 }
6794 
6795 /*
6796  * Use this function initialize the vport.
6797  *
6798  * @param[in] vport - pointer to bfa_fcs_vport_t.
6799  *
6800  * @returns None
6801  */
6802 bfa_status_t
bfa_fcs_vport_start(struct bfa_fcs_vport_s * vport)6803 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6804 {
6805 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6806 
6807 	return BFA_STATUS_OK;
6808 }
6809 
6810 /*
6811  *	Use this function quiese the vport object. This function will return
6812  *	immediately, when the vport is actually stopped, the
6813  *	bfa_drv_vport_stop_cb() will be called.
6814  *
6815  *	param[in] vport - pointer to bfa_fcs_vport_t.
6816  *
6817  *	return None
6818  */
6819 bfa_status_t
bfa_fcs_vport_stop(struct bfa_fcs_vport_s * vport)6820 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6821 {
6822 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6823 
6824 	return BFA_STATUS_OK;
6825 }
6826 
6827 /*
6828  *	Use this function to delete a vport object. Fabric object should
6829  *	be stopped before this function call.
6830  *
6831  *	!!!!!!! Donot invoke this from within FCS  !!!!!!!
6832  *
6833  *	param[in] vport - pointer to bfa_fcs_vport_t.
6834  *
6835  *	return     None
6836  */
6837 bfa_status_t
bfa_fcs_vport_delete(struct bfa_fcs_vport_s * vport)6838 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6839 {
6840 
6841 	if (vport->lport.port_cfg.preboot_vp)
6842 		return BFA_STATUS_PBC;
6843 
6844 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6845 
6846 	return BFA_STATUS_OK;
6847 }
6848 
6849 /*
6850  *	Use this function to get vport's current status info.
6851  *
6852  *	param[in] vport		pointer to bfa_fcs_vport_t.
6853  *	param[out] attr		pointer to return vport attributes
6854  *
6855  *	return None
6856  */
6857 void
bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s * vport,struct bfa_vport_attr_s * attr)6858 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6859 			struct bfa_vport_attr_s *attr)
6860 {
6861 	if (vport == NULL || attr == NULL)
6862 		return;
6863 
6864 	memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6865 
6866 	bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6867 	attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6868 }
6869 
6870 
6871 /*
6872  *	Lookup a virtual port. Excludes base port from lookup.
6873  */
6874 struct bfa_fcs_vport_s *
bfa_fcs_vport_lookup(struct bfa_fcs_s * fcs,u16 vf_id,wwn_t vpwwn)6875 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6876 {
6877 	struct bfa_fcs_vport_s *vport;
6878 	struct bfa_fcs_fabric_s *fabric;
6879 
6880 	bfa_trc(fcs, vf_id);
6881 	bfa_trc(fcs, vpwwn);
6882 
6883 	fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6884 	if (!fabric) {
6885 		bfa_trc(fcs, vf_id);
6886 		return NULL;
6887 	}
6888 
6889 	vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6890 	return vport;
6891 }
6892 
6893 /*
6894  * FDISC Response
6895  */
6896 void
bfa_cb_lps_fdisc_comp(void * bfad,void * uarg,bfa_status_t status)6897 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6898 {
6899 	struct bfa_fcs_vport_s *vport = uarg;
6900 
6901 	bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6902 	bfa_trc(__vport_fcs(vport), status);
6903 
6904 	switch (status) {
6905 	case BFA_STATUS_OK:
6906 		/*
6907 		 * Initialize the V-Port fields
6908 		 */
6909 		__vport_fcid(vport) = vport->lps->lp_pid;
6910 		vport->vport_stats.fdisc_accepts++;
6911 		bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6912 		break;
6913 
6914 	case BFA_STATUS_INVALID_MAC:
6915 		/* Only for CNA */
6916 		vport->vport_stats.fdisc_acc_bad++;
6917 		bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6918 
6919 		break;
6920 
6921 	case BFA_STATUS_EPROTOCOL:
6922 		switch (vport->lps->ext_status) {
6923 		case BFA_EPROTO_BAD_ACCEPT:
6924 			vport->vport_stats.fdisc_acc_bad++;
6925 			break;
6926 
6927 		case BFA_EPROTO_UNKNOWN_RSP:
6928 			vport->vport_stats.fdisc_unknown_rsp++;
6929 			break;
6930 
6931 		default:
6932 			break;
6933 		}
6934 
6935 		if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6936 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6937 		else
6938 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6939 
6940 		break;
6941 
6942 	case BFA_STATUS_ETIMER:
6943 		vport->vport_stats.fdisc_timeouts++;
6944 		if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6945 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6946 		else
6947 			bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6948 		break;
6949 
6950 	case BFA_STATUS_FABRIC_RJT:
6951 		vport->vport_stats.fdisc_rejects++;
6952 		bfa_fcs_vport_fdisc_rejected(vport);
6953 		break;
6954 
6955 	default:
6956 		vport->vport_stats.fdisc_rsp_err++;
6957 		bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6958 	}
6959 }
6960 
6961 /*
6962  * LOGO response
6963  */
6964 void
bfa_cb_lps_fdisclogo_comp(void * bfad,void * uarg)6965 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6966 {
6967 	struct bfa_fcs_vport_s *vport = uarg;
6968 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6969 }
6970 
6971 /*
6972  * Received clear virtual link
6973  */
6974 void
bfa_cb_lps_cvl_event(void * bfad,void * uarg)6975 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6976 {
6977 	struct bfa_fcs_vport_s *vport = uarg;
6978 
6979 	/* Send an Offline followed by an ONLINE */
6980 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6981 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6982 }
6983