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92d7f7b0 | 1 | /******************************************************************* |
dea3101e | 2 | * This file is part of the Emulex Linux Device Driver for * |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d4379acd | 4 | * Copyright (C) 2004-2012 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e JB |
25 | #include <linux/interrupt.h> |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e JB |
28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
da0436e9 | 32 | #include "lpfc_hw4.h" |
dea3101e JB |
33 | #include "lpfc_hw.h" |
34 | #include "lpfc_sli.h" | |
da0436e9 | 35 | #include "lpfc_sli4.h" |
ea2151b4 | 36 | #include "lpfc_nl.h" |
dea3101e JB |
37 | #include "lpfc_disc.h" |
38 | #include "lpfc_scsi.h" | |
39 | #include "lpfc.h" | |
40 | #include "lpfc_logmsg.h" | |
41 | #include "lpfc_crtn.h" | |
92d7f7b0 | 42 | #include "lpfc_vport.h" |
858c9f6c | 43 | #include "lpfc_debugfs.h" |
dea3101e JB |
44 | |
45 | ||
46 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
47 | static int | |
2e0fef85 JS |
48 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
49 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e | 50 | { |
6b5151fd JS |
51 | /* First, we MUST have a RPI registered */ |
52 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) | |
53 | return 0; | |
54 | ||
dea3101e JB |
55 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node |
56 | * table entry for that node. | |
57 | */ | |
2e0fef85 | 58 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 59 | return 0; |
dea3101e | 60 | |
2e0fef85 | 61 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 62 | return 0; |
dea3101e JB |
63 | |
64 | /* we match, return success */ | |
c9f8735b | 65 | return 1; |
dea3101e JB |
66 | } |
67 | ||
dea3101e | 68 | int |
2e0fef85 | 69 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
341af102 | 70 | struct serv_parm *sp, uint32_t class, int flogi) |
dea3101e | 71 | { |
2e0fef85 | 72 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
73 | uint16_t hsp_value, ssp_value = 0; |
74 | ||
75 | /* | |
76 | * The receive data field size and buffer-to-buffer receive data field | |
77 | * size entries are 16 bits but are represented as two 8-bit fields in | |
78 | * the driver data structure to account for rsvd bits and other control | |
79 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
80 | * correcting the byte values. | |
81 | */ | |
dea3101e | 82 | if (sp->cls1.classValid) { |
341af102 JS |
83 | if (!flogi) { |
84 | hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | | |
85 | hsp->cls1.rcvDataSizeLsb); | |
86 | ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | | |
87 | sp->cls1.rcvDataSizeLsb); | |
88 | if (!ssp_value) | |
89 | goto bad_service_param; | |
90 | if (ssp_value > hsp_value) { | |
91 | sp->cls1.rcvDataSizeLsb = | |
92 | hsp->cls1.rcvDataSizeLsb; | |
93 | sp->cls1.rcvDataSizeMsb = | |
94 | hsp->cls1.rcvDataSizeMsb; | |
95 | } | |
2fb70f79 | 96 | } |
341af102 | 97 | } else if (class == CLASS1) |
92d7f7b0 | 98 | goto bad_service_param; |
dea3101e | 99 | if (sp->cls2.classValid) { |
341af102 JS |
100 | if (!flogi) { |
101 | hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | | |
102 | hsp->cls2.rcvDataSizeLsb); | |
103 | ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | | |
104 | sp->cls2.rcvDataSizeLsb); | |
105 | if (!ssp_value) | |
106 | goto bad_service_param; | |
107 | if (ssp_value > hsp_value) { | |
108 | sp->cls2.rcvDataSizeLsb = | |
109 | hsp->cls2.rcvDataSizeLsb; | |
110 | sp->cls2.rcvDataSizeMsb = | |
111 | hsp->cls2.rcvDataSizeMsb; | |
112 | } | |
2fb70f79 | 113 | } |
341af102 | 114 | } else if (class == CLASS2) |
92d7f7b0 | 115 | goto bad_service_param; |
dea3101e | 116 | if (sp->cls3.classValid) { |
341af102 JS |
117 | if (!flogi) { |
118 | hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | | |
119 | hsp->cls3.rcvDataSizeLsb); | |
120 | ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | | |
121 | sp->cls3.rcvDataSizeLsb); | |
122 | if (!ssp_value) | |
123 | goto bad_service_param; | |
124 | if (ssp_value > hsp_value) { | |
125 | sp->cls3.rcvDataSizeLsb = | |
126 | hsp->cls3.rcvDataSizeLsb; | |
127 | sp->cls3.rcvDataSizeMsb = | |
128 | hsp->cls3.rcvDataSizeMsb; | |
129 | } | |
2fb70f79 | 130 | } |
341af102 | 131 | } else if (class == CLASS3) |
92d7f7b0 | 132 | goto bad_service_param; |
dea3101e | 133 | |
2fb70f79 JSEC |
134 | /* |
135 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
136 | * These bits contain the Buffer-to-Buffer State Change Number | |
137 | * from the target and need to be passed to the FW. | |
138 | */ | |
139 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
140 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
141 | if (ssp_value > hsp_value) { | |
dea3101e | 142 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
143 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
144 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
145 | } | |
dea3101e | 146 | |
dea3101e JB |
147 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
148 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 149 | return 1; |
92d7f7b0 | 150 | bad_service_param: |
e8b62011 JS |
151 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
152 | "0207 Device %x " | |
153 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
154 | "invalid service parameters. Ignoring device.\n", | |
155 | ndlp->nlp_DID, | |
156 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
157 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
158 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
159 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 160 | return 0; |
dea3101e JB |
161 | } |
162 | ||
163 | static void * | |
2e0fef85 | 164 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 165 | struct lpfc_iocbq *rspiocb) |
dea3101e JB |
166 | { |
167 | struct lpfc_dmabuf *pcmd, *prsp; | |
168 | uint32_t *lp; | |
169 | void *ptr = NULL; | |
170 | IOCB_t *irsp; | |
171 | ||
172 | irsp = &rspiocb->iocb; | |
173 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
174 | ||
175 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
176 | * freeing associated memory till after ABTS completes. | |
177 | */ | |
178 | if (pcmd) { | |
179 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
180 | list); | |
181 | if (prsp) { | |
182 | lp = (uint32_t *) prsp->virt; | |
183 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
184 | } | |
2fe165b6 | 185 | } else { |
dea3101e JB |
186 | /* Force ulpStatus error since we are returning NULL ptr */ |
187 | if (!(irsp->ulpStatus)) { | |
188 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
189 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
190 | } | |
191 | ptr = NULL; | |
192 | } | |
c9f8735b | 193 | return ptr; |
dea3101e JB |
194 | } |
195 | ||
196 | ||
2a9bf3d0 | 197 | |
dea3101e JB |
198 | /* |
199 | * Free resources / clean up outstanding I/Os | |
200 | * associated with a LPFC_NODELIST entry. This | |
201 | * routine effectively results in a "software abort". | |
202 | */ | |
203 | int | |
2e0fef85 | 204 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 205 | { |
2534ba75 | 206 | LIST_HEAD(completions); |
2a9bf3d0 JS |
207 | LIST_HEAD(txcmplq_completions); |
208 | LIST_HEAD(abort_list); | |
2e0fef85 JS |
209 | struct lpfc_sli *psli = &phba->sli; |
210 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 211 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e JB |
212 | |
213 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 | 214 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
2a9bf3d0 | 215 | "2819 Abort outstanding I/O on NPort x%x " |
e8b62011 JS |
216 | "Data: x%x x%x x%x\n", |
217 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
218 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
219 | |
220 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 221 | |
dea3101e | 222 | /* First check the txq */ |
2e0fef85 | 223 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 224 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 225 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 226 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 227 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
228 | list_move_tail(&iocb->list, &completions); |
229 | pring->txq_cnt--; | |
dea3101e | 230 | } |
2534ba75 | 231 | } |
dea3101e | 232 | |
dea3101e | 233 | /* Next check the txcmplq */ |
2a9bf3d0 JS |
234 | list_splice_init(&pring->txcmplq, &txcmplq_completions); |
235 | spin_unlock_irq(&phba->hbalock); | |
236 | ||
237 | list_for_each_entry_safe(iocb, next_iocb, &txcmplq_completions, list) { | |
858c9f6c | 238 | /* Check to see if iocb matches the nport we are looking for */ |
2a9bf3d0 JS |
239 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) |
240 | list_add_tail(&iocb->dlist, &abort_list); | |
07951076 | 241 | } |
2a9bf3d0 JS |
242 | spin_lock_irq(&phba->hbalock); |
243 | list_splice(&txcmplq_completions, &pring->txcmplq); | |
2e0fef85 | 244 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 245 | |
2a9bf3d0 JS |
246 | list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { |
247 | spin_lock_irq(&phba->hbalock); | |
248 | list_del_init(&iocb->dlist); | |
249 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
250 | spin_unlock_irq(&phba->hbalock); | |
251 | } | |
252 | ||
a257bf90 JS |
253 | /* Cancel all the IOCBs from the completions list */ |
254 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
255 | IOERR_SLI_ABORTED); | |
2534ba75 | 256 | |
0d2b6b83 | 257 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 258 | return 0; |
dea3101e JB |
259 | } |
260 | ||
261 | static int | |
2e0fef85 | 262 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 263 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 264 | { |
2e0fef85 JS |
265 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
266 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
267 | struct lpfc_dmabuf *pcmd; |
268 | uint32_t *lp; | |
269 | IOCB_t *icmd; | |
270 | struct serv_parm *sp; | |
271 | LPFC_MBOXQ_t *mbox; | |
272 | struct ls_rjt stat; | |
273 | int rc; | |
274 | ||
275 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
695a814e | 276 | if (vport->port_state <= LPFC_FDISC) { |
dea3101e JB |
277 | /* Before responding to PLOGI, check for pt2pt mode. |
278 | * If we are pt2pt, with an outstanding FLOGI, abort | |
279 | * the FLOGI and resend it first. | |
280 | */ | |
2e0fef85 | 281 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 282 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 283 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e JB |
284 | /* If the other side is supposed to initiate |
285 | * the PLOGI anyway, just ACC it now and | |
286 | * move on with discovery. | |
287 | */ | |
288 | phba->fc_edtov = FF_DEF_EDTOV; | |
289 | phba->fc_ratov = FF_DEF_RATOV; | |
290 | /* Start discovery - this should just do | |
291 | CLEAR_LA */ | |
2e0fef85 | 292 | lpfc_disc_start(vport); |
ed957684 | 293 | } else |
2e0fef85 | 294 | lpfc_initial_flogi(vport); |
2fe165b6 | 295 | } else { |
dea3101e JB |
296 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
297 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 298 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 299 | ndlp, NULL); |
dea3101e JB |
300 | return 0; |
301 | } | |
302 | } | |
303 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
304 | lp = (uint32_t *) pcmd->virt; | |
305 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
306 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
307 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
308 | "0140 PLOGI Reject: invalid nname\n"); | |
309 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
310 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
311 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
312 | NULL); | |
313 | return 0; | |
314 | } | |
315 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
316 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
317 | "0141 PLOGI Reject: invalid pname\n"); | |
318 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
319 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
320 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
321 | NULL); | |
322 | return 0; | |
323 | } | |
341af102 | 324 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e JB |
325 | /* Reject this request because invalid parameters */ |
326 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
327 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
328 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
329 | NULL); | |
c9f8735b | 330 | return 0; |
dea3101e JB |
331 | } |
332 | icmd = &cmdiocb->iocb; | |
333 | ||
334 | /* PLOGI chkparm OK */ | |
e8b62011 JS |
335 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
336 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
337 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
338 | ndlp->nlp_rpi); | |
dea3101e | 339 | |
3de2a653 | 340 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 341 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 342 | else |
dea3101e | 343 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 344 | |
dea3101e JB |
345 | ndlp->nlp_class_sup = 0; |
346 | if (sp->cls1.classValid) | |
347 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
348 | if (sp->cls2.classValid) | |
349 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
350 | if (sp->cls3.classValid) | |
351 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
352 | if (sp->cls4.classValid) | |
353 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
354 | ndlp->nlp_maxframe = | |
355 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
356 | ||
0558056c | 357 | /* no need to reg_login if we are already in one of these states */ |
2fe165b6 | 358 | switch (ndlp->nlp_state) { |
dea3101e JB |
359 | case NLP_STE_NPR_NODE: |
360 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
361 | break; | |
362 | case NLP_STE_REG_LOGIN_ISSUE: | |
363 | case NLP_STE_PRLI_ISSUE: | |
364 | case NLP_STE_UNMAPPED_NODE: | |
365 | case NLP_STE_MAPPED_NODE: | |
0558056c JS |
366 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
367 | return 1; | |
dea3101e JB |
368 | } |
369 | ||
939723a4 | 370 | /* Check for Nport to NPort pt2pt protocol */ |
92d7f7b0 JS |
371 | if ((vport->fc_flag & FC_PT2PT) && |
372 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
939723a4 | 373 | |
dea3101e | 374 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 375 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e JB |
376 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
377 | if (mbox == NULL) | |
378 | goto out; | |
379 | lpfc_config_link(phba, mbox); | |
380 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 381 | mbox->vport = vport; |
0b727fea | 382 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 383 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 384 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
385 | goto out; |
386 | } | |
939723a4 JS |
387 | /* |
388 | * For SLI4, the VFI/VPI are registered AFTER the | |
389 | * Nport with the higher WWPN sends us a PLOGI with | |
390 | * our assigned NPortId. | |
391 | */ | |
392 | if (phba->sli_rev == LPFC_SLI_REV4) | |
393 | lpfc_issue_reg_vfi(vport); | |
dea3101e | 394 | |
2e0fef85 | 395 | lpfc_can_disctmo(vport); |
dea3101e JB |
396 | } |
397 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 398 | if (!mbox) |
dea3101e JB |
399 | goto out; |
400 | ||
6b5151fd JS |
401 | /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ |
402 | if (phba->sli_rev == LPFC_SLI_REV4) | |
403 | lpfc_unreg_rpi(vport, ndlp); | |
404 | ||
6fb120a7 | 405 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
4042629e | 406 | (uint8_t *) sp, mbox, ndlp->nlp_rpi); |
2e0fef85 JS |
407 | if (rc) { |
408 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
409 | goto out; |
410 | } | |
411 | ||
412 | /* ACC PLOGI rsp command needs to execute first, | |
413 | * queue this mbox command to be processed later. | |
414 | */ | |
415 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
416 | /* |
417 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
418 | * command issued in lpfc_cmpl_els_acc(). | |
419 | */ | |
2e0fef85 JS |
420 | mbox->vport = vport; |
421 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 422 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 423 | spin_unlock_irq(shost->host_lock); |
dea3101e | 424 | |
33ccf8d1 JS |
425 | /* |
426 | * If there is an outstanding PLOGI issued, abort it before | |
427 | * sending ACC rsp for received PLOGI. If pending plogi | |
428 | * is not canceled here, the plogi will be rejected by | |
429 | * remote port and will be retried. On a configuration with | |
430 | * single discovery thread, this will cause a huge delay in | |
431 | * discovery. Also this will cause multiple state machines | |
432 | * running in parallel for this node. | |
433 | */ | |
434 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
435 | /* software abort outstanding PLOGI */ | |
07951076 | 436 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
437 | } |
438 | ||
858c9f6c | 439 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 440 | vport->cfg_restrict_login)) { |
858c9f6c JS |
441 | |
442 | /* In order to preserve RPIs, we want to cleanup | |
443 | * the default RPI the firmware created to rcv | |
444 | * this ELS request. The only way to do this is | |
445 | * to register, then unregister the RPI. | |
446 | */ | |
447 | spin_lock_irq(shost->host_lock); | |
448 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
449 | spin_unlock_irq(shost->host_lock); | |
450 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
451 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
0a8a86fa | 452 | rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 453 | ndlp, mbox); |
0a8a86fa JS |
454 | if (rc) |
455 | mempool_free(mbox, phba->mbox_mem_pool); | |
858c9f6c JS |
456 | return 1; |
457 | } | |
0a8a86fa JS |
458 | rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
459 | if (rc) | |
460 | mempool_free(mbox, phba->mbox_mem_pool); | |
c9f8735b | 461 | return 1; |
dea3101e JB |
462 | out: |
463 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
464 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 465 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 466 | return 0; |
dea3101e JB |
467 | } |
468 | ||
6b5151fd JS |
469 | /** |
470 | * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine | |
471 | * @phba: pointer to lpfc hba data structure. | |
472 | * @mboxq: pointer to mailbox object | |
473 | * | |
474 | * This routine is invoked to issue a completion to a rcv'ed | |
475 | * ADISC or PDISC after the paused RPI has been resumed. | |
476 | **/ | |
477 | static void | |
478 | lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
479 | { | |
480 | struct lpfc_vport *vport; | |
481 | struct lpfc_iocbq *elsiocb; | |
482 | struct lpfc_nodelist *ndlp; | |
483 | uint32_t cmd; | |
484 | ||
485 | elsiocb = (struct lpfc_iocbq *)mboxq->context1; | |
486 | ndlp = (struct lpfc_nodelist *) mboxq->context2; | |
487 | vport = mboxq->vport; | |
488 | cmd = elsiocb->drvrTimeout; | |
489 | ||
490 | if (cmd == ELS_CMD_ADISC) { | |
491 | lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); | |
492 | } else { | |
493 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, | |
494 | ndlp, NULL); | |
495 | } | |
496 | kfree(elsiocb); | |
72859909 | 497 | mempool_free(mboxq, phba->mbox_mem_pool); |
6b5151fd JS |
498 | } |
499 | ||
dea3101e | 500 | static int |
2e0fef85 | 501 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
502 | struct lpfc_iocbq *cmdiocb) |
503 | { | |
2e0fef85 | 504 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6b5151fd | 505 | struct lpfc_iocbq *elsiocb; |
dea3101e | 506 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
507 | struct serv_parm *sp; |
508 | struct lpfc_name *pnn, *ppn; | |
dea3101e JB |
509 | struct ls_rjt stat; |
510 | ADISC *ap; | |
511 | IOCB_t *icmd; | |
512 | uint32_t *lp; | |
513 | uint32_t cmd; | |
514 | ||
515 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
516 | lp = (uint32_t *) pcmd->virt; | |
517 | ||
518 | cmd = *lp++; | |
519 | if (cmd == ELS_CMD_ADISC) { | |
520 | ap = (ADISC *) lp; | |
521 | pnn = (struct lpfc_name *) & ap->nodeName; | |
522 | ppn = (struct lpfc_name *) & ap->portName; | |
523 | } else { | |
524 | sp = (struct serv_parm *) lp; | |
525 | pnn = (struct lpfc_name *) & sp->nodeName; | |
526 | ppn = (struct lpfc_name *) & sp->portName; | |
527 | } | |
528 | ||
529 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 530 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
6b5151fd JS |
531 | |
532 | /* | |
533 | * As soon as we send ACC, the remote NPort can | |
534 | * start sending us data. Thus, for SLI4 we must | |
535 | * resume the RPI before the ACC goes out. | |
536 | */ | |
537 | if (vport->phba->sli_rev == LPFC_SLI_REV4) { | |
538 | elsiocb = kmalloc(sizeof(struct lpfc_iocbq), | |
539 | GFP_KERNEL); | |
540 | if (elsiocb) { | |
541 | ||
542 | /* Save info from cmd IOCB used in rsp */ | |
543 | memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, | |
544 | sizeof(struct lpfc_iocbq)); | |
545 | ||
546 | /* Save the ELS cmd */ | |
547 | elsiocb->drvrTimeout = cmd; | |
548 | ||
549 | lpfc_sli4_resume_rpi(ndlp, | |
550 | lpfc_mbx_cmpl_resume_rpi, elsiocb); | |
551 | goto out; | |
552 | } | |
553 | } | |
554 | ||
dea3101e | 555 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 556 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 557 | } else { |
6b5151fd JS |
558 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, |
559 | ndlp, NULL); | |
dea3101e | 560 | } |
6b5151fd JS |
561 | out: |
562 | /* If we are authenticated, move to the proper state */ | |
563 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
564 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
565 | else | |
566 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
567 | ||
c9f8735b | 568 | return 1; |
dea3101e JB |
569 | } |
570 | /* Reject this request because invalid parameters */ | |
571 | stat.un.b.lsRjtRsvd0 = 0; | |
572 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
573 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
574 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 575 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 576 | |
dea3101e JB |
577 | /* 1 sec timeout */ |
578 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
579 | ||
2e0fef85 | 580 | spin_lock_irq(shost->host_lock); |
dea3101e | 581 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 582 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
583 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
584 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 585 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 586 | return 0; |
dea3101e JB |
587 | } |
588 | ||
589 | static int | |
2e0fef85 JS |
590 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
591 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 592 | { |
2e0fef85 | 593 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4b40c59e JS |
594 | struct lpfc_hba *phba = vport->phba; |
595 | struct lpfc_vport **vports; | |
596 | int i, active_vlink_present = 0 ; | |
2e0fef85 JS |
597 | |
598 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e JB |
599 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
600 | * PLOGIs during LOGO storms from a device. | |
601 | */ | |
2e0fef85 | 602 | spin_lock_irq(shost->host_lock); |
dea3101e | 603 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 604 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 605 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 606 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 607 | else |
51ef4c26 | 608 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
4b40c59e JS |
609 | if (ndlp->nlp_DID == Fabric_DID) { |
610 | if (vport->port_state <= LPFC_FDISC) | |
611 | goto out; | |
6fb120a7 | 612 | lpfc_linkdown_port(vport); |
6fb120a7 | 613 | spin_lock_irq(shost->host_lock); |
4b40c59e | 614 | vport->fc_flag |= FC_VPORT_LOGO_RCVD; |
6fb120a7 | 615 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
616 | vports = lpfc_create_vport_work_array(phba); |
617 | if (vports) { | |
618 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
619 | i++) { | |
620 | if ((!(vports[i]->fc_flag & | |
621 | FC_VPORT_LOGO_RCVD)) && | |
622 | (vports[i]->port_state > LPFC_FDISC)) { | |
623 | active_vlink_present = 1; | |
624 | break; | |
625 | } | |
626 | } | |
627 | lpfc_destroy_vport_work_array(phba, vports); | |
628 | } | |
dea3101e | 629 | |
4b40c59e JS |
630 | if (active_vlink_present) { |
631 | /* | |
632 | * If there are other active VLinks present, | |
633 | * re-instantiate the Vlink using FDISC. | |
634 | */ | |
635 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
636 | spin_lock_irq(shost->host_lock); | |
637 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
638 | spin_unlock_irq(shost->host_lock); | |
639 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; | |
640 | vport->port_state = LPFC_FDISC; | |
641 | } else { | |
642 | spin_lock_irq(shost->host_lock); | |
643 | phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; | |
644 | spin_unlock_irq(shost->host_lock); | |
645 | lpfc_retry_pport_discovery(phba); | |
646 | } | |
6fb120a7 JS |
647 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && |
648 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
649 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
650 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 651 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 652 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 653 | spin_lock_irq(shost->host_lock); |
dea3101e | 654 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 655 | spin_unlock_irq(shost->host_lock); |
dea3101e | 656 | |
5024ab17 | 657 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 658 | } |
4b40c59e | 659 | out: |
87af33fe JS |
660 | ndlp->nlp_prev_state = ndlp->nlp_state; |
661 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 662 | |
2e0fef85 | 663 | spin_lock_irq(shost->host_lock); |
dea3101e | 664 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 665 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
666 | /* The driver has to wait until the ACC completes before it continues |
667 | * processing the LOGO. The action will resume in | |
668 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
669 | * unreg_login, the driver waits so the ACC does not get aborted. | |
670 | */ | |
c9f8735b | 671 | return 0; |
dea3101e JB |
672 | } |
673 | ||
674 | static void | |
2e0fef85 JS |
675 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
676 | struct lpfc_iocbq *cmdiocb) | |
dea3101e JB |
677 | { |
678 | struct lpfc_dmabuf *pcmd; | |
679 | uint32_t *lp; | |
680 | PRLI *npr; | |
681 | struct fc_rport *rport = ndlp->rport; | |
682 | u32 roles; | |
683 | ||
684 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
685 | lp = (uint32_t *) pcmd->virt; | |
686 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
687 | ||
688 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
689 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 690 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e JB |
691 | if (npr->initiatorFunc) |
692 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
693 | if (npr->targetFunc) | |
694 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
695 | if (npr->Retry) | |
696 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
697 | } | |
698 | if (rport) { | |
699 | /* We need to update the rport role values */ | |
700 | roles = FC_RPORT_ROLE_UNKNOWN; | |
701 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
702 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
703 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
704 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
705 | |
706 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
707 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
708 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
709 | ||
dea3101e JB |
710 | fc_remote_port_rolechg(rport, roles); |
711 | } | |
712 | } | |
713 | ||
714 | static uint32_t | |
2e0fef85 | 715 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 716 | { |
2e0fef85 | 717 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 718 | |
4042629e | 719 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { |
51ef4c26 JS |
720 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
721 | return 0; | |
722 | } | |
723 | ||
1b32f6aa JS |
724 | if (!(vport->fc_flag & FC_PT2PT)) { |
725 | /* Check config parameter use-adisc or FCP-2 */ | |
726 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
ffc95493 JS |
727 | ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && |
728 | (ndlp->nlp_type & NLP_FCP_TARGET))) { | |
1b32f6aa JS |
729 | spin_lock_irq(shost->host_lock); |
730 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
731 | spin_unlock_irq(shost->host_lock); | |
732 | return 1; | |
733 | } | |
92d7f7b0 JS |
734 | } |
735 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
736 | lpfc_unreg_rpi(vport, ndlp); | |
737 | return 0; | |
dea3101e | 738 | } |
6d368e53 | 739 | |
78730cfe | 740 | /** |
25985edc | 741 | * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. |
78730cfe JS |
742 | * @phba : Pointer to lpfc_hba structure. |
743 | * @vport: Pointer to lpfc_vport structure. | |
744 | * @rpi : rpi to be release. | |
745 | * | |
746 | * This function will send a unreg_login mailbox command to the firmware | |
747 | * to release a rpi. | |
748 | **/ | |
749 | void | |
750 | lpfc_release_rpi(struct lpfc_hba *phba, | |
751 | struct lpfc_vport *vport, | |
752 | uint16_t rpi) | |
753 | { | |
754 | LPFC_MBOXQ_t *pmb; | |
755 | int rc; | |
756 | ||
757 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
758 | GFP_KERNEL); | |
759 | if (!pmb) | |
760 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
761 | "2796 mailbox memory allocation failed \n"); | |
762 | else { | |
763 | lpfc_unreg_login(phba, vport->vpi, rpi, pmb); | |
764 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
765 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
766 | if (rc == MBX_NOT_FINISHED) | |
767 | mempool_free(pmb, phba->mbox_mem_pool); | |
768 | } | |
769 | } | |
dea3101e JB |
770 | |
771 | static uint32_t | |
2e0fef85 JS |
772 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
773 | void *arg, uint32_t evt) | |
dea3101e | 774 | { |
78730cfe JS |
775 | struct lpfc_hba *phba; |
776 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
777 | MAILBOX_t *mb; | |
778 | uint16_t rpi; | |
779 | ||
780 | phba = vport->phba; | |
781 | /* Release the RPI if reglogin completing */ | |
782 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
783 | (evt == NLP_EVT_CMPL_REG_LOGIN) && | |
784 | (!pmb->u.mb.mbxStatus)) { | |
785 | mb = &pmb->u.mb; | |
786 | rpi = pmb->u.mb.un.varWords[0]; | |
787 | lpfc_release_rpi(phba, vport, rpi); | |
788 | } | |
e8b62011 | 789 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 790 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
791 | "event x%x, state x%x Data: x%x x%x\n", |
792 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
793 | ndlp->nlp_flag); | |
c9f8735b | 794 | return ndlp->nlp_state; |
dea3101e JB |
795 | } |
796 | ||
87af33fe JS |
797 | static uint32_t |
798 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
799 | void *arg, uint32_t evt) | |
800 | { | |
801 | /* This transition is only legal if we previously | |
802 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
803 | * working on the same NPortID, do nothing for this thread | |
804 | * to stop it. | |
805 | */ | |
806 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
807 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 808 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
809 | "event x%x, state x%x Data: x%x x%x\n", |
810 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
811 | ndlp->nlp_flag); | |
812 | } | |
813 | return ndlp->nlp_state; | |
814 | } | |
815 | ||
dea3101e JB |
816 | /* Start of Discovery State Machine routines */ |
817 | ||
818 | static uint32_t | |
2e0fef85 JS |
819 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
820 | void *arg, uint32_t evt) | |
dea3101e JB |
821 | { |
822 | struct lpfc_iocbq *cmdiocb; | |
823 | ||
824 | cmdiocb = (struct lpfc_iocbq *) arg; | |
825 | ||
2e0fef85 | 826 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 827 | return ndlp->nlp_state; |
dea3101e | 828 | } |
c9f8735b | 829 | return NLP_STE_FREED_NODE; |
dea3101e JB |
830 | } |
831 | ||
832 | static uint32_t | |
2e0fef85 JS |
833 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
834 | void *arg, uint32_t evt) | |
dea3101e | 835 | { |
2e0fef85 | 836 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 837 | return ndlp->nlp_state; |
dea3101e JB |
838 | } |
839 | ||
840 | static uint32_t | |
2e0fef85 JS |
841 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
842 | void *arg, uint32_t evt) | |
dea3101e | 843 | { |
2e0fef85 JS |
844 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
845 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 846 | |
2e0fef85 | 847 | spin_lock_irq(shost->host_lock); |
dea3101e | 848 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 849 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 850 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 851 | |
c9f8735b | 852 | return ndlp->nlp_state; |
dea3101e JB |
853 | } |
854 | ||
855 | static uint32_t | |
2e0fef85 JS |
856 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
857 | void *arg, uint32_t evt) | |
dea3101e | 858 | { |
c9f8735b | 859 | return NLP_STE_FREED_NODE; |
dea3101e JB |
860 | } |
861 | ||
862 | static uint32_t | |
2e0fef85 JS |
863 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
864 | void *arg, uint32_t evt) | |
dea3101e | 865 | { |
c9f8735b | 866 | return NLP_STE_FREED_NODE; |
dea3101e JB |
867 | } |
868 | ||
df9e1b59 JS |
869 | static uint32_t |
870 | lpfc_device_recov_unused_node(struct lpfc_vport *vport, | |
871 | struct lpfc_nodelist *ndlp, | |
872 | void *arg, uint32_t evt) | |
873 | { | |
874 | return ndlp->nlp_state; | |
875 | } | |
876 | ||
dea3101e | 877 | static uint32_t |
2e0fef85 | 878 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
879 | void *arg, uint32_t evt) |
880 | { | |
0d2b6b83 | 881 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 882 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 883 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
884 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
885 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
886 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e JB |
887 | struct ls_rjt stat; |
888 | int port_cmp; | |
889 | ||
dea3101e JB |
890 | memset(&stat, 0, sizeof (struct ls_rjt)); |
891 | ||
892 | /* For a PLOGI, we only accept if our portname is less | |
893 | * than the remote portname. | |
894 | */ | |
895 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 896 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 897 | sizeof(struct lpfc_name)); |
dea3101e JB |
898 | |
899 | if (port_cmp >= 0) { | |
900 | /* Reject this request because the remote node will accept | |
901 | ours */ | |
902 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
903 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
904 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
905 | NULL); | |
2fe165b6 | 906 | } else { |
0d2b6b83 JS |
907 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
908 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
909 | (vport->num_disc_nodes)) { | |
910 | spin_lock_irq(shost->host_lock); | |
911 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
912 | spin_unlock_irq(shost->host_lock); | |
913 | /* Check if there are more PLOGIs to be sent */ | |
914 | lpfc_more_plogi(vport); | |
915 | if (vport->num_disc_nodes == 0) { | |
916 | spin_lock_irq(shost->host_lock); | |
917 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
918 | spin_unlock_irq(shost->host_lock); | |
919 | lpfc_can_disctmo(vport); | |
920 | lpfc_end_rscn(vport); | |
921 | } | |
922 | } | |
2e0fef85 | 923 | } /* If our portname was less */ |
dea3101e | 924 | |
c9f8735b JW |
925 | return ndlp->nlp_state; |
926 | } | |
927 | ||
92d7f7b0 JS |
928 | static uint32_t |
929 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
930 | void *arg, uint32_t evt) | |
931 | { | |
932 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
933 | struct ls_rjt stat; | |
934 | ||
935 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
936 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
937 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 938 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
939 | return ndlp->nlp_state; |
940 | } | |
941 | ||
c9f8735b | 942 | static uint32_t |
2e0fef85 JS |
943 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
944 | void *arg, uint32_t evt) | |
c9f8735b | 945 | { |
2e0fef85 | 946 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 947 | |
92d7f7b0 | 948 | /* software abort outstanding PLOGI */ |
2e0fef85 | 949 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 950 | |
2e0fef85 | 951 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 952 | return ndlp->nlp_state; |
dea3101e JB |
953 | } |
954 | ||
955 | static uint32_t | |
2e0fef85 JS |
956 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
957 | void *arg, uint32_t evt) | |
dea3101e | 958 | { |
2e0fef85 JS |
959 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
960 | struct lpfc_hba *phba = vport->phba; | |
961 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
962 | |
963 | /* software abort outstanding PLOGI */ | |
07951076 | 964 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
965 | |
966 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 967 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 968 | } else { |
2e0fef85 | 969 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e JB |
970 | } |
971 | ||
2e0fef85 | 972 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 973 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 974 | spin_lock_irq(shost->host_lock); |
5024ab17 | 975 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 976 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
977 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
978 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 979 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 980 | |
c9f8735b | 981 | return ndlp->nlp_state; |
dea3101e JB |
982 | } |
983 | ||
984 | static uint32_t | |
2e0fef85 JS |
985 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
986 | struct lpfc_nodelist *ndlp, | |
987 | void *arg, | |
dea3101e JB |
988 | uint32_t evt) |
989 | { | |
2e0fef85 | 990 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 991 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 992 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 993 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e JB |
994 | uint32_t *lp; |
995 | IOCB_t *irsp; | |
996 | struct serv_parm *sp; | |
997 | LPFC_MBOXQ_t *mbox; | |
998 | ||
999 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1000 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1001 | ||
1002 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 1003 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 1004 | return ndlp->nlp_state; |
dea3101e JB |
1005 | } |
1006 | ||
1007 | irsp = &rspiocb->iocb; | |
1008 | ||
1009 | if (irsp->ulpStatus) | |
1010 | goto out; | |
1011 | ||
1012 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
1013 | ||
2e0fef85 | 1014 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 1015 | |
2e0fef85 | 1016 | lp = (uint32_t *) prsp->virt; |
dea3101e | 1017 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
1018 | |
1019 | /* Some switches have FDMI servers returning 0 for WWN */ | |
1020 | if ((ndlp->nlp_DID != FDMI_DID) && | |
1021 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
1022 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
1023 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1024 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
1025 | goto out; | |
1026 | } | |
341af102 | 1027 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 1028 | goto out; |
dea3101e | 1029 | /* PLOGI chkparm OK */ |
e8b62011 JS |
1030 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1031 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
1032 | ndlp->nlp_DID, ndlp->nlp_state, | |
1033 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 1034 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 1035 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 1036 | else |
dea3101e | 1037 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 1038 | |
dea3101e JB |
1039 | ndlp->nlp_class_sup = 0; |
1040 | if (sp->cls1.classValid) | |
1041 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
1042 | if (sp->cls2.classValid) | |
1043 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
1044 | if (sp->cls3.classValid) | |
1045 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
1046 | if (sp->cls4.classValid) | |
1047 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
1048 | ndlp->nlp_maxframe = | |
2e0fef85 | 1049 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 1050 | |
2e0fef85 | 1051 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 1052 | if (!mbox) { |
e8b62011 JS |
1053 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1054 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 1055 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
1056 | ndlp->nlp_DID, ndlp->nlp_state, |
1057 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1058 | goto out; |
92d7f7b0 | 1059 | } |
dea3101e | 1060 | |
2e0fef85 JS |
1061 | lpfc_unreg_rpi(vport, ndlp); |
1062 | ||
6fb120a7 | 1063 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
4042629e | 1064 | (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { |
2fe165b6 | 1065 | switch (ndlp->nlp_DID) { |
dea3101e | 1066 | case NameServer_DID: |
de0c5b32 | 1067 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e JB |
1068 | break; |
1069 | case FDMI_DID: | |
de0c5b32 | 1070 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e JB |
1071 | break; |
1072 | default: | |
ffc95493 | 1073 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; |
de0c5b32 | 1074 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 1075 | } |
329f9bc7 | 1076 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 1077 | mbox->vport = vport; |
0b727fea | 1078 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 1079 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
1080 | lpfc_nlp_set_state(vport, ndlp, |
1081 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 1082 | return ndlp->nlp_state; |
dea3101e | 1083 | } |
ffc95493 JS |
1084 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
1085 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
fa4066b6 JS |
1086 | /* decrement node reference count to the failed mbox |
1087 | * command | |
1088 | */ | |
329f9bc7 | 1089 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 1090 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
1091 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1092 | kfree(mp); | |
dea3101e | 1093 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 1094 | |
e8b62011 JS |
1095 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1096 | "0134 PLOGI: cannot issue reg_login " | |
1097 | "Data: x%x x%x x%x x%x\n", | |
1098 | ndlp->nlp_DID, ndlp->nlp_state, | |
1099 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
1100 | } else { |
1101 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1102 | |
e8b62011 JS |
1103 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1104 | "0135 PLOGI: cannot format reg_login " | |
1105 | "Data: x%x x%x x%x x%x\n", | |
1106 | ndlp->nlp_DID, ndlp->nlp_state, | |
1107 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
1108 | } |
1109 | ||
1110 | ||
92d7f7b0 JS |
1111 | out: |
1112 | if (ndlp->nlp_DID == NameServer_DID) { | |
1113 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1114 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1115 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
1116 | } |
1117 | ||
0ff10d46 | 1118 | spin_lock_irq(shost->host_lock); |
a8adb832 | 1119 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 1120 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1121 | return NLP_STE_FREED_NODE; |
dea3101e JB |
1122 | } |
1123 | ||
0ff10d46 JS |
1124 | static uint32_t |
1125 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1126 | void *arg, uint32_t evt) | |
1127 | { | |
1128 | return ndlp->nlp_state; | |
1129 | } | |
1130 | ||
1131 | static uint32_t | |
1132 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
1133 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
1134 | { | |
78730cfe JS |
1135 | struct lpfc_hba *phba; |
1136 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1137 | MAILBOX_t *mb = &pmb->u.mb; | |
1138 | uint16_t rpi; | |
1139 | ||
1140 | phba = vport->phba; | |
1141 | /* Release the RPI */ | |
1142 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
1143 | !mb->mbxStatus) { | |
1144 | rpi = pmb->u.mb.un.varWords[0]; | |
1145 | lpfc_release_rpi(phba, vport, rpi); | |
1146 | } | |
0ff10d46 JS |
1147 | return ndlp->nlp_state; |
1148 | } | |
1149 | ||
dea3101e | 1150 | static uint32_t |
2e0fef85 JS |
1151 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1152 | void *arg, uint32_t evt) | |
dea3101e | 1153 | { |
2e0fef85 JS |
1154 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1155 | ||
1156 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1157 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1158 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1159 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1160 | return ndlp->nlp_state; |
2e0fef85 | 1161 | } else { |
a0f9b48d | 1162 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1163 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1164 | |
2e0fef85 | 1165 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1166 | return NLP_STE_FREED_NODE; |
1167 | } | |
dea3101e JB |
1168 | } |
1169 | ||
1170 | static uint32_t | |
2e0fef85 JS |
1171 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
1172 | struct lpfc_nodelist *ndlp, | |
1173 | void *arg, | |
1174 | uint32_t evt) | |
dea3101e | 1175 | { |
2e0fef85 JS |
1176 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1177 | struct lpfc_hba *phba = vport->phba; | |
1178 | ||
92d7f7b0 JS |
1179 | /* Don't do anything that will mess up processing of the |
1180 | * previous RSCN. | |
1181 | */ | |
1182 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1183 | return ndlp->nlp_state; | |
1184 | ||
dea3101e | 1185 | /* software abort outstanding PLOGI */ |
07951076 | 1186 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1187 | |
5024ab17 | 1188 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1189 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1190 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1191 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1192 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1193 | |
c9f8735b | 1194 | return ndlp->nlp_state; |
dea3101e JB |
1195 | } |
1196 | ||
1197 | static uint32_t | |
2e0fef85 JS |
1198 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1199 | void *arg, uint32_t evt) | |
dea3101e | 1200 | { |
0d2b6b83 | 1201 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1202 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1203 | struct lpfc_iocbq *cmdiocb; |
1204 | ||
1205 | /* software abort outstanding ADISC */ | |
07951076 | 1206 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
1207 | |
1208 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1209 | ||
0d2b6b83 JS |
1210 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1211 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1212 | spin_lock_irq(shost->host_lock); | |
1213 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1214 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1215 | if (vport->num_disc_nodes) |
0d2b6b83 | 1216 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1217 | } |
1218 | return ndlp->nlp_state; | |
1219 | } | |
5024ab17 | 1220 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1221 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1222 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1223 | |
c9f8735b | 1224 | return ndlp->nlp_state; |
dea3101e JB |
1225 | } |
1226 | ||
1227 | static uint32_t | |
2e0fef85 JS |
1228 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1229 | void *arg, uint32_t evt) | |
dea3101e | 1230 | { |
2e0fef85 | 1231 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1232 | |
2e0fef85 | 1233 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1234 | return ndlp->nlp_state; |
dea3101e JB |
1235 | } |
1236 | ||
1237 | static uint32_t | |
2e0fef85 JS |
1238 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1239 | void *arg, uint32_t evt) | |
dea3101e | 1240 | { |
2e0fef85 | 1241 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1242 | struct lpfc_iocbq *cmdiocb; |
1243 | ||
1244 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1245 | ||
1246 | /* software abort outstanding ADISC */ | |
07951076 | 1247 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1248 | |
2e0fef85 | 1249 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1250 | return ndlp->nlp_state; |
dea3101e JB |
1251 | } |
1252 | ||
1253 | static uint32_t | |
2e0fef85 JS |
1254 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1255 | struct lpfc_nodelist *ndlp, | |
1256 | void *arg, uint32_t evt) | |
dea3101e JB |
1257 | { |
1258 | struct lpfc_iocbq *cmdiocb; | |
1259 | ||
1260 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1261 | ||
2e0fef85 | 1262 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1263 | return ndlp->nlp_state; |
dea3101e JB |
1264 | } |
1265 | ||
1266 | static uint32_t | |
2e0fef85 JS |
1267 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1268 | void *arg, uint32_t evt) | |
dea3101e JB |
1269 | { |
1270 | struct lpfc_iocbq *cmdiocb; | |
1271 | ||
1272 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1273 | ||
1274 | /* Treat like rcv logo */ | |
2e0fef85 | 1275 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1276 | return ndlp->nlp_state; |
dea3101e JB |
1277 | } |
1278 | ||
1279 | static uint32_t | |
2e0fef85 JS |
1280 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1281 | struct lpfc_nodelist *ndlp, | |
1282 | void *arg, uint32_t evt) | |
dea3101e | 1283 | { |
2e0fef85 JS |
1284 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1285 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1286 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1287 | IOCB_t *irsp; | |
1288 | ADISC *ap; | |
6fb120a7 | 1289 | int rc; |
dea3101e JB |
1290 | |
1291 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1292 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1293 | ||
1294 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1295 | irsp = &rspiocb->iocb; | |
1296 | ||
1297 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1298 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e JB |
1299 | /* 1 sec timeout */ |
1300 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1301 | spin_lock_irq(shost->host_lock); |
dea3101e | 1302 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1303 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1304 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1305 | |
2e0fef85 JS |
1306 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1307 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1308 | |
5024ab17 | 1309 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1310 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1311 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1312 | return ndlp->nlp_state; |
dea3101e | 1313 | } |
5024ab17 | 1314 | |
6fb120a7 | 1315 | if (phba->sli_rev == LPFC_SLI_REV4) { |
6b5151fd | 1316 | rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); |
6fb120a7 JS |
1317 | if (rc) { |
1318 | /* Stay in state and retry. */ | |
1319 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1320 | return ndlp->nlp_state; | |
1321 | } | |
1322 | } | |
1323 | ||
2501322e | 1324 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1325 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1326 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1327 | } else { |
5024ab17 | 1328 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1329 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1330 | } |
6fb120a7 | 1331 | |
c9f8735b | 1332 | return ndlp->nlp_state; |
dea3101e JB |
1333 | } |
1334 | ||
1335 | static uint32_t | |
2e0fef85 JS |
1336 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1337 | void *arg, uint32_t evt) | |
dea3101e | 1338 | { |
2e0fef85 JS |
1339 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1340 | ||
1341 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1342 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1343 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1344 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1345 | return ndlp->nlp_state; |
2e0fef85 | 1346 | } else { |
a0f9b48d | 1347 | /* software abort outstanding ADISC */ |
2e0fef85 | 1348 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1349 | |
2e0fef85 | 1350 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1351 | return NLP_STE_FREED_NODE; |
1352 | } | |
dea3101e JB |
1353 | } |
1354 | ||
1355 | static uint32_t | |
2e0fef85 JS |
1356 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1357 | struct lpfc_nodelist *ndlp, | |
1358 | void *arg, | |
1359 | uint32_t evt) | |
dea3101e | 1360 | { |
2e0fef85 JS |
1361 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1362 | struct lpfc_hba *phba = vport->phba; | |
1363 | ||
92d7f7b0 JS |
1364 | /* Don't do anything that will mess up processing of the |
1365 | * previous RSCN. | |
1366 | */ | |
1367 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1368 | return ndlp->nlp_state; | |
1369 | ||
dea3101e | 1370 | /* software abort outstanding ADISC */ |
07951076 | 1371 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1372 | |
5024ab17 | 1373 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1374 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1375 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1376 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1377 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1378 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1379 | return ndlp->nlp_state; |
dea3101e JB |
1380 | } |
1381 | ||
1382 | static uint32_t | |
2e0fef85 JS |
1383 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1384 | struct lpfc_nodelist *ndlp, | |
1385 | void *arg, | |
dea3101e JB |
1386 | uint32_t evt) |
1387 | { | |
2e0fef85 | 1388 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1389 | |
2e0fef85 | 1390 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1391 | return ndlp->nlp_state; |
dea3101e JB |
1392 | } |
1393 | ||
1394 | static uint32_t | |
2e0fef85 JS |
1395 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1396 | struct lpfc_nodelist *ndlp, | |
1397 | void *arg, | |
dea3101e JB |
1398 | uint32_t evt) |
1399 | { | |
2e0fef85 | 1400 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1401 | |
2e0fef85 | 1402 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1403 | return ndlp->nlp_state; |
dea3101e JB |
1404 | } |
1405 | ||
1406 | static uint32_t | |
2e0fef85 JS |
1407 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1408 | struct lpfc_nodelist *ndlp, | |
1409 | void *arg, | |
dea3101e JB |
1410 | uint32_t evt) |
1411 | { | |
2e0fef85 JS |
1412 | struct lpfc_hba *phba = vport->phba; |
1413 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1414 | LPFC_MBOXQ_t *mb; |
1415 | LPFC_MBOXQ_t *nextmb; | |
1416 | struct lpfc_dmabuf *mp; | |
dea3101e JB |
1417 | |
1418 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1419 | ||
7054a606 JS |
1420 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1421 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1422 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1423 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1424 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1425 | mb->context2 = NULL; |
1426 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1427 | } | |
1428 | } | |
1429 | ||
2e0fef85 | 1430 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1431 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1432 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1433 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1434 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1435 | if (mp) { | |
98c9ea5c | 1436 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1437 | kfree(mp); |
1438 | } | |
92d7f7b0 | 1439 | lpfc_nlp_put(ndlp); |
7054a606 | 1440 | list_del(&mb->list); |
5ffc266e | 1441 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1442 | mempool_free(mb, phba->mbox_mem_pool); |
1443 | } | |
1444 | } | |
2e0fef85 | 1445 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1446 | |
2e0fef85 | 1447 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1448 | return ndlp->nlp_state; |
dea3101e JB |
1449 | } |
1450 | ||
1451 | static uint32_t | |
2e0fef85 JS |
1452 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1453 | struct lpfc_nodelist *ndlp, | |
1454 | void *arg, | |
dea3101e JB |
1455 | uint32_t evt) |
1456 | { | |
2e0fef85 | 1457 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1458 | |
2e0fef85 | 1459 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1460 | return ndlp->nlp_state; |
dea3101e JB |
1461 | } |
1462 | ||
1463 | static uint32_t | |
2e0fef85 JS |
1464 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1465 | struct lpfc_nodelist *ndlp, | |
1466 | void *arg, | |
dea3101e JB |
1467 | uint32_t evt) |
1468 | { | |
1469 | struct lpfc_iocbq *cmdiocb; | |
1470 | ||
1471 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1472 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1473 | return ndlp->nlp_state; |
dea3101e JB |
1474 | } |
1475 | ||
1476 | static uint32_t | |
2e0fef85 JS |
1477 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1478 | struct lpfc_nodelist *ndlp, | |
1479 | void *arg, | |
1480 | uint32_t evt) | |
dea3101e | 1481 | { |
2e0fef85 | 1482 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1483 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1484 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1485 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1486 | |
dea3101e JB |
1487 | if (mb->mbxStatus) { |
1488 | /* RegLogin failed */ | |
e8b62011 | 1489 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
6d368e53 JS |
1490 | "0246 RegLogin failed Data: x%x x%x x%x x%x " |
1491 | "x%x\n", | |
1492 | did, mb->mbxStatus, vport->port_state, | |
1493 | mb->un.varRegLogin.vpi, | |
1494 | mb->un.varRegLogin.rpi); | |
d0e56dad JS |
1495 | /* |
1496 | * If RegLogin failed due to lack of HBA resources do not | |
1497 | * retry discovery. | |
1498 | */ | |
1499 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1500 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1501 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1502 | return ndlp->nlp_state; |
1503 | } | |
1504 | ||
2e0fef85 | 1505 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1506 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1507 | spin_lock_irq(shost->host_lock); |
dea3101e | 1508 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1509 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1510 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1511 | |
2e0fef85 | 1512 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1513 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1514 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1515 | return ndlp->nlp_state; |
dea3101e JB |
1516 | } |
1517 | ||
6d368e53 JS |
1518 | /* SLI4 ports have preallocated logical rpis. */ |
1519 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
1520 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
1521 | ||
4042629e | 1522 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e JB |
1523 | |
1524 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1525 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1526 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1527 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1528 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1529 | } else { |
5024ab17 | 1530 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1531 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1532 | } |
c9f8735b | 1533 | return ndlp->nlp_state; |
dea3101e JB |
1534 | } |
1535 | ||
1536 | static uint32_t | |
2e0fef85 JS |
1537 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1538 | struct lpfc_nodelist *ndlp, | |
1539 | void *arg, | |
dea3101e JB |
1540 | uint32_t evt) |
1541 | { | |
2e0fef85 JS |
1542 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1543 | ||
1544 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1545 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1546 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1547 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1548 | return ndlp->nlp_state; |
2e0fef85 JS |
1549 | } else { |
1550 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1551 | return NLP_STE_FREED_NODE; |
1552 | } | |
dea3101e JB |
1553 | } |
1554 | ||
1555 | static uint32_t | |
2e0fef85 JS |
1556 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1557 | struct lpfc_nodelist *ndlp, | |
1558 | void *arg, | |
1559 | uint32_t evt) | |
dea3101e | 1560 | { |
2e0fef85 JS |
1561 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1562 | ||
92d7f7b0 JS |
1563 | /* Don't do anything that will mess up processing of the |
1564 | * previous RSCN. | |
1565 | */ | |
1566 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1567 | return ndlp->nlp_state; | |
1568 | ||
5024ab17 | 1569 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1570 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1571 | spin_lock_irq(shost->host_lock); | |
ffc95493 | 1572 | ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; |
a0f9b48d | 1573 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1574 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1575 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1576 | return ndlp->nlp_state; |
dea3101e JB |
1577 | } |
1578 | ||
1579 | static uint32_t | |
2e0fef85 JS |
1580 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1581 | void *arg, uint32_t evt) | |
dea3101e JB |
1582 | { |
1583 | struct lpfc_iocbq *cmdiocb; | |
1584 | ||
1585 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1586 | ||
2e0fef85 | 1587 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1588 | return ndlp->nlp_state; |
dea3101e JB |
1589 | } |
1590 | ||
1591 | static uint32_t | |
2e0fef85 JS |
1592 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1593 | void *arg, uint32_t evt) | |
dea3101e | 1594 | { |
2e0fef85 | 1595 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1596 | |
2e0fef85 | 1597 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1598 | return ndlp->nlp_state; |
dea3101e JB |
1599 | } |
1600 | ||
1601 | static uint32_t | |
2e0fef85 JS |
1602 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1603 | void *arg, uint32_t evt) | |
dea3101e | 1604 | { |
2e0fef85 | 1605 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e JB |
1606 | |
1607 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1608 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1609 | |
2e0fef85 | 1610 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1611 | return ndlp->nlp_state; |
dea3101e JB |
1612 | } |
1613 | ||
1614 | static uint32_t | |
2e0fef85 JS |
1615 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1616 | void *arg, uint32_t evt) | |
dea3101e | 1617 | { |
2e0fef85 | 1618 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1619 | |
2e0fef85 | 1620 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1621 | return ndlp->nlp_state; |
dea3101e JB |
1622 | } |
1623 | ||
1624 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1625 | * we are logged into. We should send back a PRLO rsp setting the | |
1626 | * appropriate bits. | |
1627 | * NEXT STATE = PRLI_ISSUE | |
1628 | */ | |
1629 | static uint32_t | |
2e0fef85 JS |
1630 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1631 | void *arg, uint32_t evt) | |
dea3101e | 1632 | { |
2e0fef85 | 1633 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1634 | |
51ef4c26 | 1635 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1636 | return ndlp->nlp_state; |
dea3101e JB |
1637 | } |
1638 | ||
1639 | static uint32_t | |
2e0fef85 JS |
1640 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1641 | void *arg, uint32_t evt) | |
dea3101e | 1642 | { |
92d7f7b0 | 1643 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1644 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1645 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1646 | IOCB_t *irsp; |
1647 | PRLI *npr; | |
1648 | ||
1649 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1650 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1651 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1652 | ||
1653 | irsp = &rspiocb->iocb; | |
1654 | if (irsp->ulpStatus) { | |
858c9f6c | 1655 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1656 | vport->cfg_restrict_login) { |
858c9f6c JS |
1657 | goto out; |
1658 | } | |
5024ab17 | 1659 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1660 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1661 | return ndlp->nlp_state; |
dea3101e JB |
1662 | } |
1663 | ||
1664 | /* Check out PRLI rsp */ | |
1665 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1666 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1667 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1668 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1669 | if (npr->initiatorFunc) | |
1670 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1671 | if (npr->targetFunc) | |
1672 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1673 | if (npr->Retry) | |
1674 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1675 | } | |
92d7f7b0 JS |
1676 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1677 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1678 | vport->cfg_restrict_login) { |
858c9f6c | 1679 | out: |
92d7f7b0 JS |
1680 | spin_lock_irq(shost->host_lock); |
1681 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1682 | spin_unlock_irq(shost->host_lock); | |
1683 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1684 | ||
1685 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1686 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1687 | return ndlp->nlp_state; |
1688 | } | |
dea3101e | 1689 | |
5024ab17 | 1690 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1691 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1692 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1693 | else | |
1694 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1695 | return ndlp->nlp_state; |
dea3101e JB |
1696 | } |
1697 | ||
1698 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1699 | * |
1700 | * \pre | |
1701 | * \post | |
1702 | * \param phba | |
1703 | * \param ndlp | |
1704 | * \param arg | |
1705 | * \param evt | |
1706 | * \return uint32_t | |
1707 | * | |
1708 | * \b Description: | |
1709 | * This routine is envoked when we a request to remove a nport we are in the | |
1710 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1711 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1712 | * on plogi list so it can be freed when LOGO completes. | |
1713 | * | |
1714 | */ | |
1715 | ||
dea3101e | 1716 | static uint32_t |
2e0fef85 JS |
1717 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1718 | void *arg, uint32_t evt) | |
dea3101e | 1719 | { |
2e0fef85 JS |
1720 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1721 | ||
1722 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1723 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1724 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1725 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1726 | return ndlp->nlp_state; |
2e0fef85 | 1727 | } else { |
a0f9b48d | 1728 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1729 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1730 | |
2e0fef85 | 1731 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1732 | return NLP_STE_FREED_NODE; |
1733 | } | |
dea3101e JB |
1734 | } |
1735 | ||
1736 | ||
1737 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1738 | * |
1739 | * \pre | |
1740 | * \post | |
1741 | * \param phba | |
1742 | * \param ndlp | |
1743 | * \param arg | |
1744 | * \param evt | |
1745 | * \return uint32_t | |
1746 | * | |
1747 | * \b Description: | |
1748 | * The routine is envoked when the state of a device is unknown, like | |
1749 | * during a link down. We should remove the nodelist entry from the | |
1750 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1751 | * outstanding PRLI command, then free the node entry. | |
1752 | */ | |
dea3101e | 1753 | static uint32_t |
2e0fef85 JS |
1754 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1755 | struct lpfc_nodelist *ndlp, | |
1756 | void *arg, | |
1757 | uint32_t evt) | |
dea3101e | 1758 | { |
2e0fef85 JS |
1759 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1760 | struct lpfc_hba *phba = vport->phba; | |
1761 | ||
92d7f7b0 JS |
1762 | /* Don't do anything that will mess up processing of the |
1763 | * previous RSCN. | |
1764 | */ | |
1765 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1766 | return ndlp->nlp_state; | |
1767 | ||
dea3101e | 1768 | /* software abort outstanding PRLI */ |
07951076 | 1769 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1770 | |
5024ab17 | 1771 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1772 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1773 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1774 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1775 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1776 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1777 | return ndlp->nlp_state; |
dea3101e JB |
1778 | } |
1779 | ||
086a345f JS |
1780 | static uint32_t |
1781 | lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1782 | void *arg, uint32_t evt) | |
1783 | { | |
1784 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1785 | struct ls_rjt stat; | |
1786 | ||
1787 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1788 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1789 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1790 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1791 | return ndlp->nlp_state; | |
1792 | } | |
1793 | ||
1794 | static uint32_t | |
1795 | lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1796 | void *arg, uint32_t evt) | |
1797 | { | |
1798 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1799 | struct ls_rjt stat; | |
1800 | ||
1801 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1802 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1803 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1804 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1805 | return ndlp->nlp_state; | |
1806 | } | |
1807 | ||
1808 | static uint32_t | |
1809 | lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1810 | void *arg, uint32_t evt) | |
1811 | { | |
1812 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1813 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1814 | ||
1815 | spin_lock_irq(shost->host_lock); | |
1816 | ndlp->nlp_flag &= NLP_LOGO_ACC; | |
1817 | spin_unlock_irq(shost->host_lock); | |
1818 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
1819 | return ndlp->nlp_state; | |
1820 | } | |
1821 | ||
1822 | static uint32_t | |
1823 | lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1824 | void *arg, uint32_t evt) | |
1825 | { | |
1826 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1827 | struct ls_rjt stat; | |
1828 | ||
1829 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1830 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1831 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1832 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1833 | return ndlp->nlp_state; | |
1834 | } | |
1835 | ||
1836 | static uint32_t | |
1837 | lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1838 | void *arg, uint32_t evt) | |
1839 | { | |
1840 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; | |
1841 | struct ls_rjt stat; | |
1842 | ||
1843 | memset(&stat, 0, sizeof(struct ls_rjt)); | |
1844 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1845 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
1846 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
1847 | return ndlp->nlp_state; | |
1848 | } | |
1849 | ||
1850 | static uint32_t | |
1851 | lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1852 | void *arg, uint32_t evt) | |
1853 | { | |
1854 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1855 | ||
1856 | ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; | |
1857 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
1858 | spin_lock_irq(shost->host_lock); | |
1859 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); | |
1860 | spin_unlock_irq(shost->host_lock); | |
1861 | lpfc_disc_set_adisc(vport, ndlp); | |
1862 | return ndlp->nlp_state; | |
1863 | } | |
1864 | ||
1865 | static uint32_t | |
1866 | lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1867 | void *arg, uint32_t evt) | |
1868 | { | |
1869 | /* | |
1870 | * Take no action. If a LOGO is outstanding, then possibly DevLoss has | |
1871 | * timed out and is calling for Device Remove. In this case, the LOGO | |
1872 | * must be allowed to complete in state LOGO_ISSUE so that the rpi | |
1873 | * and other NLP flags are correctly cleaned up. | |
1874 | */ | |
1875 | return ndlp->nlp_state; | |
1876 | } | |
1877 | ||
1878 | static uint32_t | |
1879 | lpfc_device_recov_logo_issue(struct lpfc_vport *vport, | |
1880 | struct lpfc_nodelist *ndlp, | |
1881 | void *arg, uint32_t evt) | |
1882 | { | |
1883 | /* | |
1884 | * Device Recovery events have no meaning for a node with a LOGO | |
1885 | * outstanding. The LOGO has to complete first and handle the | |
1886 | * node from that point. | |
1887 | */ | |
1888 | return ndlp->nlp_state; | |
1889 | } | |
1890 | ||
dea3101e | 1891 | static uint32_t |
2e0fef85 JS |
1892 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1893 | void *arg, uint32_t evt) | |
dea3101e | 1894 | { |
2e0fef85 | 1895 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1896 | |
2e0fef85 | 1897 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1898 | return ndlp->nlp_state; |
dea3101e JB |
1899 | } |
1900 | ||
1901 | static uint32_t | |
2e0fef85 JS |
1902 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1903 | void *arg, uint32_t evt) | |
dea3101e | 1904 | { |
2e0fef85 | 1905 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1906 | |
2e0fef85 JS |
1907 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1908 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1909 | return ndlp->nlp_state; |
dea3101e JB |
1910 | } |
1911 | ||
1912 | static uint32_t | |
2e0fef85 JS |
1913 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1914 | void *arg, uint32_t evt) | |
dea3101e | 1915 | { |
2e0fef85 | 1916 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1917 | |
2e0fef85 | 1918 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1919 | return ndlp->nlp_state; |
dea3101e JB |
1920 | } |
1921 | ||
1922 | static uint32_t | |
2e0fef85 JS |
1923 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1924 | void *arg, uint32_t evt) | |
dea3101e | 1925 | { |
2e0fef85 | 1926 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1927 | |
2e0fef85 | 1928 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1929 | return ndlp->nlp_state; |
dea3101e JB |
1930 | } |
1931 | ||
1932 | static uint32_t | |
2e0fef85 JS |
1933 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1934 | void *arg, uint32_t evt) | |
dea3101e | 1935 | { |
2e0fef85 | 1936 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1937 | |
51ef4c26 | 1938 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1939 | return ndlp->nlp_state; |
dea3101e JB |
1940 | } |
1941 | ||
1942 | static uint32_t | |
2e0fef85 JS |
1943 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1944 | struct lpfc_nodelist *ndlp, | |
1945 | void *arg, | |
1946 | uint32_t evt) | |
dea3101e | 1947 | { |
2e0fef85 JS |
1948 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1949 | ||
5024ab17 | 1950 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1951 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1952 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1953 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1954 | spin_unlock_irq(shost->host_lock); |
1955 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1956 | |
c9f8735b | 1957 | return ndlp->nlp_state; |
dea3101e JB |
1958 | } |
1959 | ||
1960 | static uint32_t | |
2e0fef85 JS |
1961 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1962 | void *arg, uint32_t evt) | |
dea3101e | 1963 | { |
2e0fef85 | 1964 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1965 | |
2e0fef85 | 1966 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1967 | return ndlp->nlp_state; |
dea3101e JB |
1968 | } |
1969 | ||
1970 | static uint32_t | |
2e0fef85 JS |
1971 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1972 | void *arg, uint32_t evt) | |
dea3101e | 1973 | { |
2e0fef85 | 1974 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1975 | |
2e0fef85 | 1976 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1977 | return ndlp->nlp_state; |
dea3101e JB |
1978 | } |
1979 | ||
1980 | static uint32_t | |
2e0fef85 JS |
1981 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1982 | void *arg, uint32_t evt) | |
dea3101e | 1983 | { |
2e0fef85 | 1984 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1985 | |
2e0fef85 | 1986 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1987 | return ndlp->nlp_state; |
dea3101e JB |
1988 | } |
1989 | ||
1990 | static uint32_t | |
2e0fef85 JS |
1991 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1992 | struct lpfc_nodelist *ndlp, | |
1993 | void *arg, uint32_t evt) | |
dea3101e | 1994 | { |
2e0fef85 | 1995 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1996 | |
2e0fef85 | 1997 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1998 | return ndlp->nlp_state; |
dea3101e JB |
1999 | } |
2000 | ||
2001 | static uint32_t | |
2e0fef85 JS |
2002 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2003 | void *arg, uint32_t evt) | |
dea3101e | 2004 | { |
2e0fef85 JS |
2005 | struct lpfc_hba *phba = vport->phba; |
2006 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
2007 | |
2008 | /* flush the target */ | |
51ef4c26 JS |
2009 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
2010 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e JB |
2011 | |
2012 | /* Treat like rcv logo */ | |
2e0fef85 | 2013 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 2014 | return ndlp->nlp_state; |
dea3101e JB |
2015 | } |
2016 | ||
2017 | static uint32_t | |
2e0fef85 JS |
2018 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
2019 | struct lpfc_nodelist *ndlp, | |
2020 | void *arg, | |
2021 | uint32_t evt) | |
dea3101e | 2022 | { |
2e0fef85 JS |
2023 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2024 | ||
5024ab17 | 2025 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
2026 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2027 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 2028 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
2029 | spin_unlock_irq(shost->host_lock); |
2030 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 2031 | return ndlp->nlp_state; |
dea3101e JB |
2032 | } |
2033 | ||
2034 | static uint32_t | |
2e0fef85 JS |
2035 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2036 | void *arg, uint32_t evt) | |
dea3101e | 2037 | { |
2e0fef85 JS |
2038 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2039 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
2040 | |
2041 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 2042 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 2043 | return ndlp->nlp_state; |
2e0fef85 | 2044 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 2045 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2046 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 2047 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 2048 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
2049 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
2050 | /* send PLOGI immediately, move to PLOGI issue state */ | |
2051 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2052 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2053 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
2054 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
2055 | } | |
dea3101e | 2056 | } |
c9f8735b | 2057 | return ndlp->nlp_state; |
dea3101e JB |
2058 | } |
2059 | ||
2060 | static uint32_t | |
2e0fef85 JS |
2061 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2062 | void *arg, uint32_t evt) | |
dea3101e | 2063 | { |
2e0fef85 JS |
2064 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2065 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
2066 | struct ls_rjt stat; | |
dea3101e JB |
2067 | |
2068 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2069 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2070 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 2071 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e JB |
2072 | |
2073 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2074 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 2075 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2076 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2077 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2078 | spin_unlock_irq(shost->host_lock); |
2079 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
2080 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2081 | } else { |
5024ab17 | 2082 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2083 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2084 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
2085 | } |
2086 | } | |
c9f8735b | 2087 | return ndlp->nlp_state; |
dea3101e JB |
2088 | } |
2089 | ||
2090 | static uint32_t | |
2e0fef85 JS |
2091 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2092 | void *arg, uint32_t evt) | |
dea3101e | 2093 | { |
2e0fef85 | 2094 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2095 | |
2e0fef85 | 2096 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 2097 | return ndlp->nlp_state; |
dea3101e JB |
2098 | } |
2099 | ||
2100 | static uint32_t | |
2e0fef85 JS |
2101 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2102 | void *arg, uint32_t evt) | |
dea3101e | 2103 | { |
2e0fef85 | 2104 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 2105 | |
2e0fef85 | 2106 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
2107 | /* |
2108 | * Do not start discovery if discovery is about to start | |
2109 | * or discovery in progress for this node. Starting discovery | |
2110 | * here will affect the counting of discovery threads. | |
2111 | */ | |
2fb9bd8b | 2112 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 2113 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 2114 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 2115 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 2116 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2117 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2118 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 2119 | } else { |
5024ab17 | 2120 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
2121 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2122 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
2123 | } |
2124 | } | |
c9f8735b | 2125 | return ndlp->nlp_state; |
dea3101e JB |
2126 | } |
2127 | ||
2128 | static uint32_t | |
2e0fef85 JS |
2129 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2130 | void *arg, uint32_t evt) | |
dea3101e | 2131 | { |
2e0fef85 JS |
2132 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2133 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 2134 | |
2e0fef85 | 2135 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2136 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 2137 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2138 | |
51ef4c26 | 2139 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 2140 | |
2e0fef85 | 2141 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 2142 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 2143 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
2144 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2145 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 2146 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 2147 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 2148 | } else { |
2e0fef85 | 2149 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2150 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2151 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2152 | } |
c9f8735b JW |
2153 | return ndlp->nlp_state; |
2154 | } | |
dea3101e | 2155 | |
c9f8735b | 2156 | static uint32_t |
2e0fef85 JS |
2157 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2158 | void *arg, uint32_t evt) | |
c9f8735b JW |
2159 | { |
2160 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2161 | IOCB_t *irsp; |
c9f8735b JW |
2162 | |
2163 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2164 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2165 | |
2166 | irsp = &rspiocb->iocb; | |
2167 | if (irsp->ulpStatus) { | |
a8adb832 | 2168 | ndlp->nlp_flag |= NLP_DEFER_RM; |
a0f9b48d JS |
2169 | return NLP_STE_FREED_NODE; |
2170 | } | |
c9f8735b JW |
2171 | return ndlp->nlp_state; |
2172 | } | |
2173 | ||
2174 | static uint32_t | |
2e0fef85 JS |
2175 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2176 | void *arg, uint32_t evt) | |
c9f8735b JW |
2177 | { |
2178 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2179 | IOCB_t *irsp; |
c9f8735b JW |
2180 | |
2181 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2182 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2183 | |
2184 | irsp = &rspiocb->iocb; | |
2185 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2186 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2187 | return NLP_STE_FREED_NODE; |
2188 | } | |
c9f8735b | 2189 | return ndlp->nlp_state; |
dea3101e JB |
2190 | } |
2191 | ||
2192 | static uint32_t | |
2e0fef85 JS |
2193 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2194 | void *arg, uint32_t evt) | |
dea3101e | 2195 | { |
d7c255b2 | 2196 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
086a345f JS |
2197 | |
2198 | /* For the fabric port just clear the fc flags. */ | |
d7c255b2 JS |
2199 | if (ndlp->nlp_DID == Fabric_DID) { |
2200 | spin_lock_irq(shost->host_lock); | |
2201 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2202 | spin_unlock_irq(shost->host_lock); | |
2203 | } | |
2e0fef85 | 2204 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2205 | return ndlp->nlp_state; |
2206 | } | |
2207 | ||
2208 | static uint32_t | |
2e0fef85 JS |
2209 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2210 | void *arg, uint32_t evt) | |
c9f8735b JW |
2211 | { |
2212 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2213 | IOCB_t *irsp; |
c9f8735b JW |
2214 | |
2215 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2216 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2217 | |
2218 | irsp = &rspiocb->iocb; | |
2219 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2220 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2221 | return NLP_STE_FREED_NODE; |
2222 | } | |
c9f8735b | 2223 | return ndlp->nlp_state; |
dea3101e JB |
2224 | } |
2225 | ||
2226 | static uint32_t | |
2e0fef85 JS |
2227 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
2228 | struct lpfc_nodelist *ndlp, | |
2229 | void *arg, uint32_t evt) | |
dea3101e | 2230 | { |
2e0fef85 | 2231 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 2232 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2233 | |
04c68496 | 2234 | if (!mb->mbxStatus) { |
6d368e53 JS |
2235 | /* SLI4 ports have preallocated logical rpis. */ |
2236 | if (vport->phba->sli_rev < LPFC_SLI_REV4) | |
2237 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
4042629e | 2238 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
04c68496 | 2239 | } else { |
a0f9b48d | 2240 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 2241 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2242 | return NLP_STE_FREED_NODE; |
2243 | } | |
2244 | } | |
c9f8735b | 2245 | return ndlp->nlp_state; |
dea3101e JB |
2246 | } |
2247 | ||
2248 | static uint32_t | |
2e0fef85 JS |
2249 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2250 | void *arg, uint32_t evt) | |
dea3101e | 2251 | { |
2e0fef85 JS |
2252 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2253 | ||
a0f9b48d | 2254 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2255 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2256 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2257 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2258 | return ndlp->nlp_state; |
2259 | } | |
2e0fef85 | 2260 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 2261 | return NLP_STE_FREED_NODE; |
dea3101e JB |
2262 | } |
2263 | ||
2264 | static uint32_t | |
2e0fef85 JS |
2265 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2266 | void *arg, uint32_t evt) | |
dea3101e | 2267 | { |
2e0fef85 JS |
2268 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2269 | ||
92d7f7b0 JS |
2270 | /* Don't do anything that will mess up processing of the |
2271 | * previous RSCN. | |
2272 | */ | |
2273 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2274 | return ndlp->nlp_state; | |
2275 | ||
eaf15d5b | 2276 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2277 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2278 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2279 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2280 | return ndlp->nlp_state; |
dea3101e JB |
2281 | } |
2282 | ||
2283 | ||
2284 | /* This next section defines the NPort Discovery State Machine */ | |
2285 | ||
2286 | /* There are 4 different double linked lists nodelist entries can reside on. | |
2287 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
2288 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
2289 | * or ADISC on. These lists will keep track of what nodes will be effected | |
2290 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
2291 | * The unmapped_list will contain all nodes that we have successfully logged | |
2292 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
2293 | * that are mapped FCP targets. | |
2294 | */ | |
2295 | /* | |
2296 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
2297 | * that we have saved binding information on. This information is used when | |
2298 | * nodes transition from the unmapped to the mapped list. | |
2299 | */ | |
2300 | /* For UNUSED_NODE state, the node has just been allocated . | |
2301 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
2302 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
2303 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
2304 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
2305 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
2306 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
2307 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
2308 | * node, the node is taken off the unmapped list. The binding list is checked | |
2309 | * for a valid binding, or a binding is automatically assigned. If binding | |
2310 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
2311 | * binding assignment is successful, the associated binding list entry (if | |
2312 | * any) is removed, and the node is placed on the mapped list. | |
2313 | */ | |
2314 | /* | |
2315 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2316 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e JB |
2317 | * expire, all effected nodes will receive a DEVICE_RM event. |
2318 | */ | |
2319 | /* | |
2320 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2321 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2322 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2323 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2324 | * we will first process the ADISC list. 32 entries are processed initially and | |
2325 | * ADISC is initited for each one. Completions / Events for each node are | |
2326 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2327 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2328 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2329 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2330 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2331 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2332 | * Completions / Events for each node are funnelled thru the state machine. As | |
2333 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2334 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2335 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2336 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2337 | * unmapped lists. | |
2338 | */ | |
2339 | ||
2340 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2341 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e JB |
2342 | /* Action routine Event Current State */ |
2343 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2344 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2345 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2346 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2347 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2348 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2349 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2350 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2351 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2352 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2353 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2354 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
df9e1b59 | 2355 | lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ |
dea3101e JB |
2356 | |
2357 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2358 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2359 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e JB |
2360 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2361 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2362 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2363 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2364 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2365 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2366 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2367 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e JB |
2368 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2369 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2370 | ||
2371 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2372 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2373 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2374 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2375 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2376 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2377 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2378 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2379 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2380 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2381 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2382 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2383 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2384 | ||
2385 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2386 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2387 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2388 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2389 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2390 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2391 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2392 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2393 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2394 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2395 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2396 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2397 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2398 | ||
2399 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2400 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2401 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2402 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2403 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2404 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2405 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2406 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2407 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2408 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2409 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2410 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2411 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2412 | ||
086a345f JS |
2413 | lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ |
2414 | lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ | |
2415 | lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ | |
2416 | lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ | |
2417 | lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ | |
2418 | lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ | |
2419 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ | |
2420 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2421 | lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ | |
2422 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2423 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2424 | lpfc_device_rm_logo_issue, /* DEVICE_RM */ | |
2425 | lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ | |
2426 | ||
dea3101e JB |
2427 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ |
2428 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2429 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2430 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2431 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2432 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2433 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2434 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2435 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2436 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2437 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2438 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2439 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2440 | ||
2441 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2442 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2443 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2444 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2445 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2446 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2447 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2448 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2449 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2450 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2451 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2452 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2453 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2454 | ||
2455 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2456 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2457 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2458 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2459 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2460 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2461 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2462 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2463 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2464 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e JB |
2465 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2466 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2467 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2468 | }; | |
2469 | ||
2470 | int | |
2e0fef85 JS |
2471 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2472 | void *arg, uint32_t evt) | |
dea3101e JB |
2473 | { |
2474 | uint32_t cur_state, rc; | |
2e0fef85 | 2475 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2476 | uint32_t); |
e47c9093 JS |
2477 | uint32_t got_ndlp = 0; |
2478 | ||
2479 | if (lpfc_nlp_get(ndlp)) | |
2480 | got_ndlp = 1; | |
dea3101e | 2481 | |
dea3101e JB |
2482 | cur_state = ndlp->nlp_state; |
2483 | ||
2484 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2485 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2486 | "0211 DSM in event x%x on NPort x%x in " | |
2487 | "state %d Data: x%x\n", | |
2488 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2489 | |
858c9f6c JS |
2490 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2491 | "DSM in: evt:%d ste:%d did:x%x", | |
2492 | evt, cur_state, ndlp->nlp_DID); | |
2493 | ||
dea3101e | 2494 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2495 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e JB |
2496 | |
2497 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2498 | if (got_ndlp) { |
2499 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2500 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2501 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2502 | |
e47c9093 JS |
2503 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2504 | "DSM out: ste:%d did:x%x flg:x%x", | |
2505 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2506 | /* Decrement the ndlp reference count held for this function */ | |
2507 | lpfc_nlp_put(ndlp); | |
2508 | } else { | |
2509 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2510 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2511 | |
e47c9093 JS |
2512 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2513 | "DSM out: ste:%d did:x%x flg:x%x", | |
2514 | rc, 0, 0); | |
2515 | } | |
dea3101e | 2516 | |
c9f8735b | 2517 | return rc; |
dea3101e | 2518 | } |