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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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 | 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 | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e | 25 | #include <linux/interrupt.h> |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 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 | 33 | #include "lpfc_hw.h" |
34 | #include "lpfc_sli.h" | |
da0436e9 | 35 | #include "lpfc_sli4.h" |
ea2151b4 | 36 | #include "lpfc_nl.h" |
dea3101e | 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 | 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 | { |
51 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node | |
52 | * table entry for that node. | |
53 | */ | |
2e0fef85 | 54 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 55 | return 0; |
dea3101e | 56 | |
2e0fef85 | 57 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 58 | return 0; |
dea3101e | 59 | |
60 | /* we match, return success */ | |
c9f8735b | 61 | return 1; |
dea3101e | 62 | } |
63 | ||
dea3101e | 64 | int |
2e0fef85 | 65 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
341af102 | 66 | struct serv_parm *sp, uint32_t class, int flogi) |
dea3101e | 67 | { |
2e0fef85 | 68 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
69 | uint16_t hsp_value, ssp_value = 0; |
70 | ||
71 | /* | |
72 | * The receive data field size and buffer-to-buffer receive data field | |
73 | * size entries are 16 bits but are represented as two 8-bit fields in | |
74 | * the driver data structure to account for rsvd bits and other control | |
75 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
76 | * correcting the byte values. | |
77 | */ | |
dea3101e | 78 | if (sp->cls1.classValid) { |
341af102 JS |
79 | if (!flogi) { |
80 | hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | | |
81 | hsp->cls1.rcvDataSizeLsb); | |
82 | ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | | |
83 | sp->cls1.rcvDataSizeLsb); | |
84 | if (!ssp_value) | |
85 | goto bad_service_param; | |
86 | if (ssp_value > hsp_value) { | |
87 | sp->cls1.rcvDataSizeLsb = | |
88 | hsp->cls1.rcvDataSizeLsb; | |
89 | sp->cls1.rcvDataSizeMsb = | |
90 | hsp->cls1.rcvDataSizeMsb; | |
91 | } | |
2fb70f79 | 92 | } |
341af102 | 93 | } else if (class == CLASS1) |
92d7f7b0 | 94 | goto bad_service_param; |
dea3101e | 95 | if (sp->cls2.classValid) { |
341af102 JS |
96 | if (!flogi) { |
97 | hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | | |
98 | hsp->cls2.rcvDataSizeLsb); | |
99 | ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | | |
100 | sp->cls2.rcvDataSizeLsb); | |
101 | if (!ssp_value) | |
102 | goto bad_service_param; | |
103 | if (ssp_value > hsp_value) { | |
104 | sp->cls2.rcvDataSizeLsb = | |
105 | hsp->cls2.rcvDataSizeLsb; | |
106 | sp->cls2.rcvDataSizeMsb = | |
107 | hsp->cls2.rcvDataSizeMsb; | |
108 | } | |
2fb70f79 | 109 | } |
341af102 | 110 | } else if (class == CLASS2) |
92d7f7b0 | 111 | goto bad_service_param; |
dea3101e | 112 | if (sp->cls3.classValid) { |
341af102 JS |
113 | if (!flogi) { |
114 | hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | | |
115 | hsp->cls3.rcvDataSizeLsb); | |
116 | ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | | |
117 | sp->cls3.rcvDataSizeLsb); | |
118 | if (!ssp_value) | |
119 | goto bad_service_param; | |
120 | if (ssp_value > hsp_value) { | |
121 | sp->cls3.rcvDataSizeLsb = | |
122 | hsp->cls3.rcvDataSizeLsb; | |
123 | sp->cls3.rcvDataSizeMsb = | |
124 | hsp->cls3.rcvDataSizeMsb; | |
125 | } | |
2fb70f79 | 126 | } |
341af102 | 127 | } else if (class == CLASS3) |
92d7f7b0 | 128 | goto bad_service_param; |
dea3101e | 129 | |
2fb70f79 JSEC |
130 | /* |
131 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
132 | * These bits contain the Buffer-to-Buffer State Change Number | |
133 | * from the target and need to be passed to the FW. | |
134 | */ | |
135 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
136 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
137 | if (ssp_value > hsp_value) { | |
dea3101e | 138 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
139 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
140 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
141 | } | |
dea3101e | 142 | |
dea3101e | 143 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
144 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 145 | return 1; |
92d7f7b0 | 146 | bad_service_param: |
e8b62011 JS |
147 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
148 | "0207 Device %x " | |
149 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
150 | "invalid service parameters. Ignoring device.\n", | |
151 | ndlp->nlp_DID, | |
152 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
153 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
154 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
155 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
92d7f7b0 | 156 | return 0; |
dea3101e | 157 | } |
158 | ||
159 | static void * | |
2e0fef85 | 160 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 161 | struct lpfc_iocbq *rspiocb) |
dea3101e | 162 | { |
163 | struct lpfc_dmabuf *pcmd, *prsp; | |
164 | uint32_t *lp; | |
165 | void *ptr = NULL; | |
166 | IOCB_t *irsp; | |
167 | ||
168 | irsp = &rspiocb->iocb; | |
169 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
170 | ||
171 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
172 | * freeing associated memory till after ABTS completes. | |
173 | */ | |
174 | if (pcmd) { | |
175 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
176 | list); | |
177 | if (prsp) { | |
178 | lp = (uint32_t *) prsp->virt; | |
179 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
180 | } | |
2fe165b6 | 181 | } else { |
dea3101e | 182 | /* Force ulpStatus error since we are returning NULL ptr */ |
183 | if (!(irsp->ulpStatus)) { | |
184 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
185 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
186 | } | |
187 | ptr = NULL; | |
188 | } | |
c9f8735b | 189 | return ptr; |
dea3101e | 190 | } |
191 | ||
192 | ||
2a9bf3d0 | 193 | |
dea3101e | 194 | /* |
195 | * Free resources / clean up outstanding I/Os | |
196 | * associated with a LPFC_NODELIST entry. This | |
197 | * routine effectively results in a "software abort". | |
198 | */ | |
199 | int | |
2e0fef85 | 200 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 201 | { |
2534ba75 | 202 | LIST_HEAD(completions); |
2a9bf3d0 JS |
203 | LIST_HEAD(txcmplq_completions); |
204 | LIST_HEAD(abort_list); | |
2e0fef85 JS |
205 | struct lpfc_sli *psli = &phba->sli; |
206 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 207 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 208 | |
209 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 | 210 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
2a9bf3d0 | 211 | "2819 Abort outstanding I/O on NPort x%x " |
e8b62011 JS |
212 | "Data: x%x x%x x%x\n", |
213 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
214 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
215 | |
216 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 217 | |
dea3101e | 218 | /* First check the txq */ |
2e0fef85 | 219 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 220 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 221 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 222 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 223 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
224 | list_move_tail(&iocb->list, &completions); |
225 | pring->txq_cnt--; | |
dea3101e | 226 | } |
2534ba75 | 227 | } |
dea3101e | 228 | |
dea3101e | 229 | /* Next check the txcmplq */ |
2a9bf3d0 JS |
230 | list_splice_init(&pring->txcmplq, &txcmplq_completions); |
231 | spin_unlock_irq(&phba->hbalock); | |
232 | ||
233 | list_for_each_entry_safe(iocb, next_iocb, &txcmplq_completions, list) { | |
858c9f6c | 234 | /* Check to see if iocb matches the nport we are looking for */ |
2a9bf3d0 JS |
235 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) |
236 | list_add_tail(&iocb->dlist, &abort_list); | |
07951076 | 237 | } |
2a9bf3d0 JS |
238 | spin_lock_irq(&phba->hbalock); |
239 | list_splice(&txcmplq_completions, &pring->txcmplq); | |
2e0fef85 | 240 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 241 | |
2a9bf3d0 JS |
242 | list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { |
243 | spin_lock_irq(&phba->hbalock); | |
244 | list_del_init(&iocb->dlist); | |
245 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
246 | spin_unlock_irq(&phba->hbalock); | |
247 | } | |
248 | ||
a257bf90 JS |
249 | /* Cancel all the IOCBs from the completions list */ |
250 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
251 | IOERR_SLI_ABORTED); | |
2534ba75 | 252 | |
0d2b6b83 | 253 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 254 | return 0; |
dea3101e | 255 | } |
256 | ||
257 | static int | |
2e0fef85 | 258 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 259 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 260 | { |
2e0fef85 JS |
261 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
262 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 263 | struct lpfc_dmabuf *pcmd; |
264 | uint32_t *lp; | |
265 | IOCB_t *icmd; | |
266 | struct serv_parm *sp; | |
267 | LPFC_MBOXQ_t *mbox; | |
268 | struct ls_rjt stat; | |
269 | int rc; | |
270 | ||
271 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
695a814e | 272 | if (vport->port_state <= LPFC_FDISC) { |
dea3101e | 273 | /* Before responding to PLOGI, check for pt2pt mode. |
274 | * If we are pt2pt, with an outstanding FLOGI, abort | |
275 | * the FLOGI and resend it first. | |
276 | */ | |
2e0fef85 | 277 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 278 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 279 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e | 280 | /* If the other side is supposed to initiate |
281 | * the PLOGI anyway, just ACC it now and | |
282 | * move on with discovery. | |
283 | */ | |
284 | phba->fc_edtov = FF_DEF_EDTOV; | |
285 | phba->fc_ratov = FF_DEF_RATOV; | |
286 | /* Start discovery - this should just do | |
287 | CLEAR_LA */ | |
2e0fef85 | 288 | lpfc_disc_start(vport); |
ed957684 | 289 | } else |
2e0fef85 | 290 | lpfc_initial_flogi(vport); |
2fe165b6 | 291 | } else { |
dea3101e | 292 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
293 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 294 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 295 | ndlp, NULL); |
dea3101e | 296 | return 0; |
297 | } | |
298 | } | |
299 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
300 | lp = (uint32_t *) pcmd->virt; | |
301 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
302 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
303 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
304 | "0140 PLOGI Reject: invalid nname\n"); | |
305 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
306 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
307 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
308 | NULL); | |
309 | return 0; | |
310 | } | |
311 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
312 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
313 | "0141 PLOGI Reject: invalid pname\n"); | |
314 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
315 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
316 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
317 | NULL); | |
318 | return 0; | |
319 | } | |
341af102 | 320 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e | 321 | /* Reject this request because invalid parameters */ |
322 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
323 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
324 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
325 | NULL); | |
c9f8735b | 326 | return 0; |
dea3101e | 327 | } |
328 | icmd = &cmdiocb->iocb; | |
329 | ||
330 | /* PLOGI chkparm OK */ | |
e8b62011 JS |
331 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
332 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
333 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
334 | ndlp->nlp_rpi); | |
dea3101e | 335 | |
3de2a653 | 336 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 337 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 338 | else |
dea3101e | 339 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 340 | |
dea3101e | 341 | ndlp->nlp_class_sup = 0; |
342 | if (sp->cls1.classValid) | |
343 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
344 | if (sp->cls2.classValid) | |
345 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
346 | if (sp->cls3.classValid) | |
347 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
348 | if (sp->cls4.classValid) | |
349 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
350 | ndlp->nlp_maxframe = | |
351 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
352 | ||
92494144 JS |
353 | /* |
354 | * Need to unreg_login if we are already in one of these states and | |
355 | * change to NPR state. This will block the port until after the ACC | |
356 | * completes and the reg_login is issued and completed. | |
357 | */ | |
2fe165b6 | 358 | switch (ndlp->nlp_state) { |
dea3101e | 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: | |
92494144 JS |
366 | lpfc_unreg_rpi(vport, ndlp); |
367 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
368 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 369 | } |
370 | ||
92d7f7b0 JS |
371 | if ((vport->fc_flag & FC_PT2PT) && |
372 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 373 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 374 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e | 375 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
376 | if (mbox == NULL) | |
377 | goto out; | |
378 | lpfc_config_link(phba, mbox); | |
379 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 380 | mbox->vport = vport; |
0b727fea | 381 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 382 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 383 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 384 | goto out; |
385 | } | |
386 | ||
2e0fef85 | 387 | lpfc_can_disctmo(vport); |
dea3101e | 388 | } |
389 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 390 | if (!mbox) |
dea3101e | 391 | goto out; |
392 | ||
6fb120a7 | 393 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
4042629e | 394 | (uint8_t *) sp, mbox, ndlp->nlp_rpi); |
2e0fef85 JS |
395 | if (rc) { |
396 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 397 | goto out; |
398 | } | |
399 | ||
400 | /* ACC PLOGI rsp command needs to execute first, | |
401 | * queue this mbox command to be processed later. | |
402 | */ | |
403 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
404 | /* |
405 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
406 | * command issued in lpfc_cmpl_els_acc(). | |
407 | */ | |
2e0fef85 JS |
408 | mbox->vport = vport; |
409 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 410 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 411 | spin_unlock_irq(shost->host_lock); |
dea3101e | 412 | |
33ccf8d1 JS |
413 | /* |
414 | * If there is an outstanding PLOGI issued, abort it before | |
415 | * sending ACC rsp for received PLOGI. If pending plogi | |
416 | * is not canceled here, the plogi will be rejected by | |
417 | * remote port and will be retried. On a configuration with | |
418 | * single discovery thread, this will cause a huge delay in | |
419 | * discovery. Also this will cause multiple state machines | |
420 | * running in parallel for this node. | |
421 | */ | |
422 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
423 | /* software abort outstanding PLOGI */ | |
07951076 | 424 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
425 | } |
426 | ||
858c9f6c | 427 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 428 | vport->cfg_restrict_login)) { |
858c9f6c JS |
429 | |
430 | /* In order to preserve RPIs, we want to cleanup | |
431 | * the default RPI the firmware created to rcv | |
432 | * this ELS request. The only way to do this is | |
433 | * to register, then unregister the RPI. | |
434 | */ | |
435 | spin_lock_irq(shost->host_lock); | |
436 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
437 | spin_unlock_irq(shost->host_lock); | |
438 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
439 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
440 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
441 | ndlp, mbox); | |
442 | return 1; | |
443 | } | |
51ef4c26 | 444 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
c9f8735b | 445 | return 1; |
dea3101e | 446 | out: |
447 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
448 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 449 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 450 | return 0; |
dea3101e | 451 | } |
452 | ||
453 | static int | |
2e0fef85 | 454 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 455 | struct lpfc_iocbq *cmdiocb) |
456 | { | |
2e0fef85 | 457 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 458 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
459 | struct serv_parm *sp; |
460 | struct lpfc_name *pnn, *ppn; | |
dea3101e | 461 | struct ls_rjt stat; |
462 | ADISC *ap; | |
463 | IOCB_t *icmd; | |
464 | uint32_t *lp; | |
465 | uint32_t cmd; | |
466 | ||
467 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
468 | lp = (uint32_t *) pcmd->virt; | |
469 | ||
470 | cmd = *lp++; | |
471 | if (cmd == ELS_CMD_ADISC) { | |
472 | ap = (ADISC *) lp; | |
473 | pnn = (struct lpfc_name *) & ap->nodeName; | |
474 | ppn = (struct lpfc_name *) & ap->portName; | |
475 | } else { | |
476 | sp = (struct serv_parm *) lp; | |
477 | pnn = (struct lpfc_name *) & sp->nodeName; | |
478 | ppn = (struct lpfc_name *) & sp->portName; | |
479 | } | |
480 | ||
481 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 482 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 483 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 484 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 485 | } else { |
2e0fef85 | 486 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
51ef4c26 | 487 | NULL); |
dea3101e | 488 | } |
c9f8735b | 489 | return 1; |
dea3101e | 490 | } |
491 | /* Reject this request because invalid parameters */ | |
492 | stat.un.b.lsRjtRsvd0 = 0; | |
493 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
494 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
495 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 496 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 497 | |
dea3101e | 498 | /* 1 sec timeout */ |
499 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
500 | ||
2e0fef85 | 501 | spin_lock_irq(shost->host_lock); |
dea3101e | 502 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 503 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
504 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
505 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 506 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 507 | return 0; |
dea3101e | 508 | } |
509 | ||
510 | static int | |
2e0fef85 JS |
511 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
512 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 513 | { |
2e0fef85 | 514 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4b40c59e JS |
515 | struct lpfc_hba *phba = vport->phba; |
516 | struct lpfc_vport **vports; | |
517 | int i, active_vlink_present = 0 ; | |
2e0fef85 JS |
518 | |
519 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e | 520 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
521 | * PLOGIs during LOGO storms from a device. | |
522 | */ | |
2e0fef85 | 523 | spin_lock_irq(shost->host_lock); |
dea3101e | 524 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 525 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 526 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 527 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 528 | else |
51ef4c26 | 529 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
4b40c59e JS |
530 | if (ndlp->nlp_DID == Fabric_DID) { |
531 | if (vport->port_state <= LPFC_FDISC) | |
532 | goto out; | |
6fb120a7 | 533 | lpfc_linkdown_port(vport); |
6fb120a7 | 534 | spin_lock_irq(shost->host_lock); |
4b40c59e | 535 | vport->fc_flag |= FC_VPORT_LOGO_RCVD; |
6fb120a7 | 536 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
537 | vports = lpfc_create_vport_work_array(phba); |
538 | if (vports) { | |
539 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
540 | i++) { | |
541 | if ((!(vports[i]->fc_flag & | |
542 | FC_VPORT_LOGO_RCVD)) && | |
543 | (vports[i]->port_state > LPFC_FDISC)) { | |
544 | active_vlink_present = 1; | |
545 | break; | |
546 | } | |
547 | } | |
548 | lpfc_destroy_vport_work_array(phba, vports); | |
549 | } | |
dea3101e | 550 | |
4b40c59e JS |
551 | if (active_vlink_present) { |
552 | /* | |
553 | * If there are other active VLinks present, | |
554 | * re-instantiate the Vlink using FDISC. | |
555 | */ | |
556 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
557 | spin_lock_irq(shost->host_lock); | |
558 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
559 | spin_unlock_irq(shost->host_lock); | |
560 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; | |
561 | vport->port_state = LPFC_FDISC; | |
562 | } else { | |
563 | spin_lock_irq(shost->host_lock); | |
564 | phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; | |
565 | spin_unlock_irq(shost->host_lock); | |
566 | lpfc_retry_pport_discovery(phba); | |
567 | } | |
6fb120a7 JS |
568 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && |
569 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
570 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
571 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 572 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 573 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 574 | spin_lock_irq(shost->host_lock); |
dea3101e | 575 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 576 | spin_unlock_irq(shost->host_lock); |
dea3101e | 577 | |
5024ab17 | 578 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 579 | } |
4b40c59e | 580 | out: |
87af33fe JS |
581 | ndlp->nlp_prev_state = ndlp->nlp_state; |
582 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 583 | |
2e0fef85 | 584 | spin_lock_irq(shost->host_lock); |
dea3101e | 585 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 586 | spin_unlock_irq(shost->host_lock); |
dea3101e | 587 | /* The driver has to wait until the ACC completes before it continues |
588 | * processing the LOGO. The action will resume in | |
589 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
590 | * unreg_login, the driver waits so the ACC does not get aborted. | |
591 | */ | |
c9f8735b | 592 | return 0; |
dea3101e | 593 | } |
594 | ||
595 | static void | |
2e0fef85 JS |
596 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
597 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 598 | { |
599 | struct lpfc_dmabuf *pcmd; | |
600 | uint32_t *lp; | |
601 | PRLI *npr; | |
602 | struct fc_rport *rport = ndlp->rport; | |
603 | u32 roles; | |
604 | ||
605 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
606 | lp = (uint32_t *) pcmd->virt; | |
607 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
608 | ||
609 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
610 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 611 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e | 612 | if (npr->initiatorFunc) |
613 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
614 | if (npr->targetFunc) | |
615 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
616 | if (npr->Retry) | |
617 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
618 | } | |
619 | if (rport) { | |
620 | /* We need to update the rport role values */ | |
621 | roles = FC_RPORT_ROLE_UNKNOWN; | |
622 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
623 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
624 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
625 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
626 | |
627 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
628 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
629 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
630 | ||
dea3101e | 631 | fc_remote_port_rolechg(rport, roles); |
632 | } | |
633 | } | |
634 | ||
635 | static uint32_t | |
2e0fef85 | 636 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 637 | { |
2e0fef85 | 638 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 639 | |
4042629e | 640 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { |
51ef4c26 JS |
641 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
642 | return 0; | |
643 | } | |
644 | ||
1b32f6aa JS |
645 | if (!(vport->fc_flag & FC_PT2PT)) { |
646 | /* Check config parameter use-adisc or FCP-2 */ | |
647 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
ffc95493 JS |
648 | ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && |
649 | (ndlp->nlp_type & NLP_FCP_TARGET))) { | |
1b32f6aa JS |
650 | spin_lock_irq(shost->host_lock); |
651 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
652 | spin_unlock_irq(shost->host_lock); | |
653 | return 1; | |
654 | } | |
92d7f7b0 JS |
655 | } |
656 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
657 | lpfc_unreg_rpi(vport, ndlp); | |
658 | return 0; | |
dea3101e | 659 | } |
78730cfe JS |
660 | /** |
661 | * lpfc_release_rpi - Release a RPI by issueing unreg_login mailbox cmd. | |
662 | * @phba : Pointer to lpfc_hba structure. | |
663 | * @vport: Pointer to lpfc_vport structure. | |
664 | * @rpi : rpi to be release. | |
665 | * | |
666 | * This function will send a unreg_login mailbox command to the firmware | |
667 | * to release a rpi. | |
668 | **/ | |
669 | void | |
670 | lpfc_release_rpi(struct lpfc_hba *phba, | |
671 | struct lpfc_vport *vport, | |
672 | uint16_t rpi) | |
673 | { | |
674 | LPFC_MBOXQ_t *pmb; | |
675 | int rc; | |
676 | ||
677 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
678 | GFP_KERNEL); | |
679 | if (!pmb) | |
680 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
681 | "2796 mailbox memory allocation failed \n"); | |
682 | else { | |
683 | lpfc_unreg_login(phba, vport->vpi, rpi, pmb); | |
684 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
685 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
686 | if (rc == MBX_NOT_FINISHED) | |
687 | mempool_free(pmb, phba->mbox_mem_pool); | |
688 | } | |
689 | } | |
dea3101e | 690 | |
691 | static uint32_t | |
2e0fef85 JS |
692 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
693 | void *arg, uint32_t evt) | |
dea3101e | 694 | { |
78730cfe JS |
695 | struct lpfc_hba *phba; |
696 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
697 | MAILBOX_t *mb; | |
698 | uint16_t rpi; | |
699 | ||
700 | phba = vport->phba; | |
701 | /* Release the RPI if reglogin completing */ | |
702 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
703 | (evt == NLP_EVT_CMPL_REG_LOGIN) && | |
704 | (!pmb->u.mb.mbxStatus)) { | |
705 | mb = &pmb->u.mb; | |
706 | rpi = pmb->u.mb.un.varWords[0]; | |
707 | lpfc_release_rpi(phba, vport, rpi); | |
708 | } | |
e8b62011 | 709 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 710 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
711 | "event x%x, state x%x Data: x%x x%x\n", |
712 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
713 | ndlp->nlp_flag); | |
c9f8735b | 714 | return ndlp->nlp_state; |
dea3101e | 715 | } |
716 | ||
87af33fe JS |
717 | static uint32_t |
718 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
719 | void *arg, uint32_t evt) | |
720 | { | |
721 | /* This transition is only legal if we previously | |
722 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
723 | * working on the same NPortID, do nothing for this thread | |
724 | * to stop it. | |
725 | */ | |
726 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
727 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 728 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
729 | "event x%x, state x%x Data: x%x x%x\n", |
730 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
731 | ndlp->nlp_flag); | |
732 | } | |
733 | return ndlp->nlp_state; | |
734 | } | |
735 | ||
dea3101e | 736 | /* Start of Discovery State Machine routines */ |
737 | ||
738 | static uint32_t | |
2e0fef85 JS |
739 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
740 | void *arg, uint32_t evt) | |
dea3101e | 741 | { |
742 | struct lpfc_iocbq *cmdiocb; | |
743 | ||
744 | cmdiocb = (struct lpfc_iocbq *) arg; | |
745 | ||
2e0fef85 | 746 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 747 | return ndlp->nlp_state; |
dea3101e | 748 | } |
c9f8735b | 749 | return NLP_STE_FREED_NODE; |
dea3101e | 750 | } |
751 | ||
752 | static uint32_t | |
2e0fef85 JS |
753 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
754 | void *arg, uint32_t evt) | |
dea3101e | 755 | { |
2e0fef85 | 756 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 757 | return ndlp->nlp_state; |
dea3101e | 758 | } |
759 | ||
760 | static uint32_t | |
2e0fef85 JS |
761 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
762 | void *arg, uint32_t evt) | |
dea3101e | 763 | { |
2e0fef85 JS |
764 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
765 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 766 | |
2e0fef85 | 767 | spin_lock_irq(shost->host_lock); |
dea3101e | 768 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 769 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 770 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 771 | |
c9f8735b | 772 | return ndlp->nlp_state; |
dea3101e | 773 | } |
774 | ||
775 | static uint32_t | |
2e0fef85 JS |
776 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
777 | void *arg, uint32_t evt) | |
dea3101e | 778 | { |
c9f8735b | 779 | return NLP_STE_FREED_NODE; |
dea3101e | 780 | } |
781 | ||
782 | static uint32_t | |
2e0fef85 JS |
783 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
784 | void *arg, uint32_t evt) | |
dea3101e | 785 | { |
c9f8735b | 786 | return NLP_STE_FREED_NODE; |
dea3101e | 787 | } |
788 | ||
789 | static uint32_t | |
2e0fef85 | 790 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 791 | void *arg, uint32_t evt) |
792 | { | |
0d2b6b83 | 793 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 794 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 795 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
796 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
797 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
798 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e | 799 | struct ls_rjt stat; |
800 | int port_cmp; | |
801 | ||
dea3101e | 802 | memset(&stat, 0, sizeof (struct ls_rjt)); |
803 | ||
804 | /* For a PLOGI, we only accept if our portname is less | |
805 | * than the remote portname. | |
806 | */ | |
807 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 808 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 809 | sizeof(struct lpfc_name)); |
dea3101e | 810 | |
811 | if (port_cmp >= 0) { | |
812 | /* Reject this request because the remote node will accept | |
813 | ours */ | |
814 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
815 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
816 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
817 | NULL); | |
2fe165b6 | 818 | } else { |
0d2b6b83 JS |
819 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
820 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
821 | (vport->num_disc_nodes)) { | |
822 | spin_lock_irq(shost->host_lock); | |
823 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
824 | spin_unlock_irq(shost->host_lock); | |
825 | /* Check if there are more PLOGIs to be sent */ | |
826 | lpfc_more_plogi(vport); | |
827 | if (vport->num_disc_nodes == 0) { | |
828 | spin_lock_irq(shost->host_lock); | |
829 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
830 | spin_unlock_irq(shost->host_lock); | |
831 | lpfc_can_disctmo(vport); | |
832 | lpfc_end_rscn(vport); | |
833 | } | |
834 | } | |
2e0fef85 | 835 | } /* If our portname was less */ |
dea3101e | 836 | |
c9f8735b JW |
837 | return ndlp->nlp_state; |
838 | } | |
839 | ||
92d7f7b0 JS |
840 | static uint32_t |
841 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
842 | void *arg, uint32_t evt) | |
843 | { | |
844 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
845 | struct ls_rjt stat; | |
846 | ||
847 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
848 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
849 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 850 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
851 | return ndlp->nlp_state; |
852 | } | |
853 | ||
c9f8735b | 854 | static uint32_t |
2e0fef85 JS |
855 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
856 | void *arg, uint32_t evt) | |
c9f8735b | 857 | { |
2e0fef85 | 858 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 859 | |
92d7f7b0 | 860 | /* software abort outstanding PLOGI */ |
2e0fef85 | 861 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 862 | |
2e0fef85 | 863 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 864 | return ndlp->nlp_state; |
dea3101e | 865 | } |
866 | ||
867 | static uint32_t | |
2e0fef85 JS |
868 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
869 | void *arg, uint32_t evt) | |
dea3101e | 870 | { |
2e0fef85 JS |
871 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
872 | struct lpfc_hba *phba = vport->phba; | |
873 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 874 | |
875 | /* software abort outstanding PLOGI */ | |
07951076 | 876 | lpfc_els_abort(phba, ndlp); |
dea3101e | 877 | |
878 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 879 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 880 | } else { |
2e0fef85 | 881 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e | 882 | } |
883 | ||
2e0fef85 | 884 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 885 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 886 | spin_lock_irq(shost->host_lock); |
5024ab17 | 887 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 888 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
889 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
890 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 891 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 892 | |
c9f8735b | 893 | return ndlp->nlp_state; |
dea3101e | 894 | } |
895 | ||
896 | static uint32_t | |
2e0fef85 JS |
897 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
898 | struct lpfc_nodelist *ndlp, | |
899 | void *arg, | |
dea3101e | 900 | uint32_t evt) |
901 | { | |
2e0fef85 | 902 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 903 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 904 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 905 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 906 | uint32_t *lp; |
907 | IOCB_t *irsp; | |
908 | struct serv_parm *sp; | |
909 | LPFC_MBOXQ_t *mbox; | |
910 | ||
911 | cmdiocb = (struct lpfc_iocbq *) arg; | |
912 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
913 | ||
914 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 915 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 916 | return ndlp->nlp_state; |
dea3101e | 917 | } |
918 | ||
919 | irsp = &rspiocb->iocb; | |
920 | ||
921 | if (irsp->ulpStatus) | |
922 | goto out; | |
923 | ||
924 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
925 | ||
2e0fef85 | 926 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 927 | |
2e0fef85 | 928 | lp = (uint32_t *) prsp->virt; |
dea3101e | 929 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
930 | |
931 | /* Some switches have FDMI servers returning 0 for WWN */ | |
932 | if ((ndlp->nlp_DID != FDMI_DID) && | |
933 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
934 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
935 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
936 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
937 | goto out; | |
938 | } | |
341af102 | 939 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 940 | goto out; |
dea3101e | 941 | /* PLOGI chkparm OK */ |
e8b62011 JS |
942 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
943 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
944 | ndlp->nlp_DID, ndlp->nlp_state, | |
945 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 946 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 947 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 948 | else |
dea3101e | 949 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 950 | |
dea3101e | 951 | ndlp->nlp_class_sup = 0; |
952 | if (sp->cls1.classValid) | |
953 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
954 | if (sp->cls2.classValid) | |
955 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
956 | if (sp->cls3.classValid) | |
957 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
958 | if (sp->cls4.classValid) | |
959 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
960 | ndlp->nlp_maxframe = | |
2e0fef85 | 961 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 962 | |
2e0fef85 | 963 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 964 | if (!mbox) { |
e8b62011 JS |
965 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
966 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 967 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
968 | ndlp->nlp_DID, ndlp->nlp_state, |
969 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 970 | goto out; |
92d7f7b0 | 971 | } |
dea3101e | 972 | |
2e0fef85 JS |
973 | lpfc_unreg_rpi(vport, ndlp); |
974 | ||
6fb120a7 | 975 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
4042629e | 976 | (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { |
2fe165b6 | 977 | switch (ndlp->nlp_DID) { |
dea3101e | 978 | case NameServer_DID: |
de0c5b32 | 979 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e | 980 | break; |
981 | case FDMI_DID: | |
de0c5b32 | 982 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e | 983 | break; |
984 | default: | |
ffc95493 | 985 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; |
de0c5b32 | 986 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 987 | } |
329f9bc7 | 988 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 989 | mbox->vport = vport; |
0b727fea | 990 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 991 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
992 | lpfc_nlp_set_state(vport, ndlp, |
993 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 994 | return ndlp->nlp_state; |
dea3101e | 995 | } |
ffc95493 JS |
996 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
997 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
fa4066b6 JS |
998 | /* decrement node reference count to the failed mbox |
999 | * command | |
1000 | */ | |
329f9bc7 | 1001 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 1002 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
1003 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1004 | kfree(mp); | |
dea3101e | 1005 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 1006 | |
e8b62011 JS |
1007 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1008 | "0134 PLOGI: cannot issue reg_login " | |
1009 | "Data: x%x x%x x%x x%x\n", | |
1010 | ndlp->nlp_DID, ndlp->nlp_state, | |
1011 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1012 | } else { |
1013 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1014 | |
e8b62011 JS |
1015 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1016 | "0135 PLOGI: cannot format reg_login " | |
1017 | "Data: x%x x%x x%x x%x\n", | |
1018 | ndlp->nlp_DID, ndlp->nlp_state, | |
1019 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 1020 | } |
1021 | ||
1022 | ||
92d7f7b0 JS |
1023 | out: |
1024 | if (ndlp->nlp_DID == NameServer_DID) { | |
1025 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
1026 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1027 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
1028 | } |
1029 | ||
0ff10d46 | 1030 | spin_lock_irq(shost->host_lock); |
a8adb832 | 1031 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 1032 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1033 | return NLP_STE_FREED_NODE; |
dea3101e | 1034 | } |
1035 | ||
0ff10d46 JS |
1036 | static uint32_t |
1037 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
1038 | void *arg, uint32_t evt) | |
1039 | { | |
1040 | return ndlp->nlp_state; | |
1041 | } | |
1042 | ||
1043 | static uint32_t | |
1044 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
1045 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
1046 | { | |
78730cfe JS |
1047 | struct lpfc_hba *phba; |
1048 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1049 | MAILBOX_t *mb = &pmb->u.mb; | |
1050 | uint16_t rpi; | |
1051 | ||
1052 | phba = vport->phba; | |
1053 | /* Release the RPI */ | |
1054 | if (!(phba->pport->load_flag & FC_UNLOADING) && | |
1055 | !mb->mbxStatus) { | |
1056 | rpi = pmb->u.mb.un.varWords[0]; | |
1057 | lpfc_release_rpi(phba, vport, rpi); | |
1058 | } | |
0ff10d46 JS |
1059 | return ndlp->nlp_state; |
1060 | } | |
1061 | ||
dea3101e | 1062 | static uint32_t |
2e0fef85 JS |
1063 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1064 | void *arg, uint32_t evt) | |
dea3101e | 1065 | { |
2e0fef85 JS |
1066 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1067 | ||
1068 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1069 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1070 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1071 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1072 | return ndlp->nlp_state; |
2e0fef85 | 1073 | } else { |
a0f9b48d | 1074 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1075 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1076 | |
2e0fef85 | 1077 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1078 | return NLP_STE_FREED_NODE; |
1079 | } | |
dea3101e | 1080 | } |
1081 | ||
1082 | static uint32_t | |
2e0fef85 JS |
1083 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
1084 | struct lpfc_nodelist *ndlp, | |
1085 | void *arg, | |
1086 | uint32_t evt) | |
dea3101e | 1087 | { |
2e0fef85 JS |
1088 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1089 | struct lpfc_hba *phba = vport->phba; | |
1090 | ||
92d7f7b0 JS |
1091 | /* Don't do anything that will mess up processing of the |
1092 | * previous RSCN. | |
1093 | */ | |
1094 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1095 | return ndlp->nlp_state; | |
1096 | ||
dea3101e | 1097 | /* software abort outstanding PLOGI */ |
07951076 | 1098 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1099 | |
5024ab17 | 1100 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 1101 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 1102 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1103 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1104 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1105 | |
c9f8735b | 1106 | return ndlp->nlp_state; |
dea3101e | 1107 | } |
1108 | ||
1109 | static uint32_t | |
2e0fef85 JS |
1110 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1111 | void *arg, uint32_t evt) | |
dea3101e | 1112 | { |
0d2b6b83 | 1113 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1114 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1115 | struct lpfc_iocbq *cmdiocb; |
1116 | ||
1117 | /* software abort outstanding ADISC */ | |
07951076 | 1118 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1119 | |
1120 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1121 | ||
0d2b6b83 JS |
1122 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1123 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1124 | spin_lock_irq(shost->host_lock); | |
1125 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1126 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1127 | if (vport->num_disc_nodes) |
0d2b6b83 | 1128 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1129 | } |
1130 | return ndlp->nlp_state; | |
1131 | } | |
5024ab17 | 1132 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1133 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1134 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1135 | |
c9f8735b | 1136 | return ndlp->nlp_state; |
dea3101e | 1137 | } |
1138 | ||
1139 | static uint32_t | |
2e0fef85 JS |
1140 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1141 | void *arg, uint32_t evt) | |
dea3101e | 1142 | { |
2e0fef85 | 1143 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1144 | |
2e0fef85 | 1145 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1146 | return ndlp->nlp_state; |
dea3101e | 1147 | } |
1148 | ||
1149 | static uint32_t | |
2e0fef85 JS |
1150 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1151 | void *arg, uint32_t evt) | |
dea3101e | 1152 | { |
2e0fef85 | 1153 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1154 | struct lpfc_iocbq *cmdiocb; |
1155 | ||
1156 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1157 | ||
1158 | /* software abort outstanding ADISC */ | |
07951076 | 1159 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1160 | |
2e0fef85 | 1161 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1162 | return ndlp->nlp_state; |
dea3101e | 1163 | } |
1164 | ||
1165 | static uint32_t | |
2e0fef85 JS |
1166 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1167 | struct lpfc_nodelist *ndlp, | |
1168 | void *arg, uint32_t evt) | |
dea3101e | 1169 | { |
1170 | struct lpfc_iocbq *cmdiocb; | |
1171 | ||
1172 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1173 | ||
2e0fef85 | 1174 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1175 | return ndlp->nlp_state; |
dea3101e | 1176 | } |
1177 | ||
1178 | static uint32_t | |
2e0fef85 JS |
1179 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1180 | void *arg, uint32_t evt) | |
dea3101e | 1181 | { |
1182 | struct lpfc_iocbq *cmdiocb; | |
1183 | ||
1184 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1185 | ||
1186 | /* Treat like rcv logo */ | |
2e0fef85 | 1187 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1188 | return ndlp->nlp_state; |
dea3101e | 1189 | } |
1190 | ||
1191 | static uint32_t | |
2e0fef85 JS |
1192 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1193 | struct lpfc_nodelist *ndlp, | |
1194 | void *arg, uint32_t evt) | |
dea3101e | 1195 | { |
2e0fef85 JS |
1196 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1197 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1198 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1199 | IOCB_t *irsp; | |
1200 | ADISC *ap; | |
6fb120a7 | 1201 | int rc; |
dea3101e | 1202 | |
1203 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1204 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1205 | ||
1206 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1207 | irsp = &rspiocb->iocb; | |
1208 | ||
1209 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1210 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1211 | /* 1 sec timeout */ |
1212 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1213 | spin_lock_irq(shost->host_lock); |
dea3101e | 1214 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1215 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1216 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1217 | |
2e0fef85 JS |
1218 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1219 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1220 | |
5024ab17 | 1221 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1222 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1223 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1224 | return ndlp->nlp_state; |
dea3101e | 1225 | } |
5024ab17 | 1226 | |
6fb120a7 JS |
1227 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1228 | rc = lpfc_sli4_resume_rpi(ndlp); | |
1229 | if (rc) { | |
1230 | /* Stay in state and retry. */ | |
1231 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1232 | return ndlp->nlp_state; | |
1233 | } | |
1234 | } | |
1235 | ||
2501322e | 1236 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1237 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1238 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1239 | } else { |
5024ab17 | 1240 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1241 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1242 | } |
6fb120a7 | 1243 | |
c9f8735b | 1244 | return ndlp->nlp_state; |
dea3101e | 1245 | } |
1246 | ||
1247 | static uint32_t | |
2e0fef85 JS |
1248 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1249 | void *arg, uint32_t evt) | |
dea3101e | 1250 | { |
2e0fef85 JS |
1251 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1252 | ||
1253 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1254 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1255 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1256 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1257 | return ndlp->nlp_state; |
2e0fef85 | 1258 | } else { |
a0f9b48d | 1259 | /* software abort outstanding ADISC */ |
2e0fef85 | 1260 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1261 | |
2e0fef85 | 1262 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1263 | return NLP_STE_FREED_NODE; |
1264 | } | |
dea3101e | 1265 | } |
1266 | ||
1267 | static uint32_t | |
2e0fef85 JS |
1268 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1269 | struct lpfc_nodelist *ndlp, | |
1270 | void *arg, | |
1271 | uint32_t evt) | |
dea3101e | 1272 | { |
2e0fef85 JS |
1273 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1274 | struct lpfc_hba *phba = vport->phba; | |
1275 | ||
92d7f7b0 JS |
1276 | /* Don't do anything that will mess up processing of the |
1277 | * previous RSCN. | |
1278 | */ | |
1279 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1280 | return ndlp->nlp_state; | |
1281 | ||
dea3101e | 1282 | /* software abort outstanding ADISC */ |
07951076 | 1283 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1284 | |
5024ab17 | 1285 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1286 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1287 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1288 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1289 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1290 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1291 | return ndlp->nlp_state; |
dea3101e | 1292 | } |
1293 | ||
1294 | static uint32_t | |
2e0fef85 JS |
1295 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1296 | struct lpfc_nodelist *ndlp, | |
1297 | void *arg, | |
dea3101e | 1298 | uint32_t evt) |
1299 | { | |
2e0fef85 | 1300 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1301 | |
2e0fef85 | 1302 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1303 | return ndlp->nlp_state; |
dea3101e | 1304 | } |
1305 | ||
1306 | static uint32_t | |
2e0fef85 JS |
1307 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1308 | struct lpfc_nodelist *ndlp, | |
1309 | void *arg, | |
dea3101e | 1310 | uint32_t evt) |
1311 | { | |
2e0fef85 | 1312 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1313 | |
2e0fef85 | 1314 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1315 | return ndlp->nlp_state; |
dea3101e | 1316 | } |
1317 | ||
1318 | static uint32_t | |
2e0fef85 JS |
1319 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1320 | struct lpfc_nodelist *ndlp, | |
1321 | void *arg, | |
dea3101e | 1322 | uint32_t evt) |
1323 | { | |
2e0fef85 JS |
1324 | struct lpfc_hba *phba = vport->phba; |
1325 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1326 | LPFC_MBOXQ_t *mb; |
1327 | LPFC_MBOXQ_t *nextmb; | |
1328 | struct lpfc_dmabuf *mp; | |
dea3101e | 1329 | |
1330 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1331 | ||
7054a606 JS |
1332 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1333 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1334 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1335 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1336 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1337 | mb->context2 = NULL; |
1338 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1339 | } | |
1340 | } | |
1341 | ||
2e0fef85 | 1342 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1343 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1344 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 JS |
1345 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
1346 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1347 | if (mp) { | |
98c9ea5c | 1348 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1349 | kfree(mp); |
1350 | } | |
92d7f7b0 | 1351 | lpfc_nlp_put(ndlp); |
7054a606 | 1352 | list_del(&mb->list); |
5ffc266e | 1353 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1354 | mempool_free(mb, phba->mbox_mem_pool); |
1355 | } | |
1356 | } | |
2e0fef85 | 1357 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1358 | |
2e0fef85 | 1359 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1360 | return ndlp->nlp_state; |
dea3101e | 1361 | } |
1362 | ||
1363 | static uint32_t | |
2e0fef85 JS |
1364 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1365 | struct lpfc_nodelist *ndlp, | |
1366 | void *arg, | |
dea3101e | 1367 | uint32_t evt) |
1368 | { | |
2e0fef85 | 1369 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1370 | |
2e0fef85 | 1371 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1372 | return ndlp->nlp_state; |
dea3101e | 1373 | } |
1374 | ||
1375 | static uint32_t | |
2e0fef85 JS |
1376 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1377 | struct lpfc_nodelist *ndlp, | |
1378 | void *arg, | |
dea3101e | 1379 | uint32_t evt) |
1380 | { | |
1381 | struct lpfc_iocbq *cmdiocb; | |
1382 | ||
1383 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1384 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1385 | return ndlp->nlp_state; |
dea3101e | 1386 | } |
1387 | ||
1388 | static uint32_t | |
2e0fef85 JS |
1389 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1390 | struct lpfc_nodelist *ndlp, | |
1391 | void *arg, | |
1392 | uint32_t evt) | |
dea3101e | 1393 | { |
2e0fef85 | 1394 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1395 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1396 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1397 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1398 | |
dea3101e | 1399 | if (mb->mbxStatus) { |
1400 | /* RegLogin failed */ | |
e8b62011 JS |
1401 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1402 | "0246 RegLogin failed Data: x%x x%x x%x\n", | |
2e0fef85 | 1403 | did, mb->mbxStatus, vport->port_state); |
d0e56dad JS |
1404 | /* |
1405 | * If RegLogin failed due to lack of HBA resources do not | |
1406 | * retry discovery. | |
1407 | */ | |
1408 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1409 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1410 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1411 | return ndlp->nlp_state; |
1412 | } | |
1413 | ||
2e0fef85 | 1414 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1415 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1416 | spin_lock_irq(shost->host_lock); |
dea3101e | 1417 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1418 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1419 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1420 | |
2e0fef85 | 1421 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1422 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1423 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1424 | return ndlp->nlp_state; |
dea3101e | 1425 | } |
1426 | ||
dea3101e | 1427 | ndlp->nlp_rpi = mb->un.varWords[0]; |
4042629e | 1428 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
dea3101e | 1429 | |
1430 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1431 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1432 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1433 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1434 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1435 | } else { |
5024ab17 | 1436 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1437 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1438 | } |
c9f8735b | 1439 | return ndlp->nlp_state; |
dea3101e | 1440 | } |
1441 | ||
1442 | static uint32_t | |
2e0fef85 JS |
1443 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1444 | struct lpfc_nodelist *ndlp, | |
1445 | void *arg, | |
dea3101e | 1446 | uint32_t evt) |
1447 | { | |
2e0fef85 JS |
1448 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1449 | ||
1450 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1451 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1452 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1453 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1454 | return ndlp->nlp_state; |
2e0fef85 JS |
1455 | } else { |
1456 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1457 | return NLP_STE_FREED_NODE; |
1458 | } | |
dea3101e | 1459 | } |
1460 | ||
1461 | static uint32_t | |
2e0fef85 JS |
1462 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1463 | struct lpfc_nodelist *ndlp, | |
1464 | void *arg, | |
1465 | uint32_t evt) | |
dea3101e | 1466 | { |
2e0fef85 JS |
1467 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1468 | ||
92d7f7b0 JS |
1469 | /* Don't do anything that will mess up processing of the |
1470 | * previous RSCN. | |
1471 | */ | |
1472 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1473 | return ndlp->nlp_state; | |
1474 | ||
5024ab17 | 1475 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1476 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1477 | spin_lock_irq(shost->host_lock); | |
ffc95493 | 1478 | ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; |
a0f9b48d | 1479 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1480 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1481 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1482 | return ndlp->nlp_state; |
dea3101e | 1483 | } |
1484 | ||
1485 | static uint32_t | |
2e0fef85 JS |
1486 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1487 | void *arg, uint32_t evt) | |
dea3101e | 1488 | { |
1489 | struct lpfc_iocbq *cmdiocb; | |
1490 | ||
1491 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1492 | ||
2e0fef85 | 1493 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1494 | return ndlp->nlp_state; |
dea3101e | 1495 | } |
1496 | ||
1497 | static uint32_t | |
2e0fef85 JS |
1498 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1499 | void *arg, uint32_t evt) | |
dea3101e | 1500 | { |
2e0fef85 | 1501 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1502 | |
2e0fef85 | 1503 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1504 | return ndlp->nlp_state; |
dea3101e | 1505 | } |
1506 | ||
1507 | static uint32_t | |
2e0fef85 JS |
1508 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1509 | void *arg, uint32_t evt) | |
dea3101e | 1510 | { |
2e0fef85 | 1511 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1512 | |
1513 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1514 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1515 | |
2e0fef85 | 1516 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1517 | return ndlp->nlp_state; |
dea3101e | 1518 | } |
1519 | ||
1520 | static uint32_t | |
2e0fef85 JS |
1521 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1522 | void *arg, uint32_t evt) | |
dea3101e | 1523 | { |
2e0fef85 | 1524 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1525 | |
2e0fef85 | 1526 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1527 | return ndlp->nlp_state; |
dea3101e | 1528 | } |
1529 | ||
1530 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1531 | * we are logged into. We should send back a PRLO rsp setting the | |
1532 | * appropriate bits. | |
1533 | * NEXT STATE = PRLI_ISSUE | |
1534 | */ | |
1535 | static uint32_t | |
2e0fef85 JS |
1536 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1537 | void *arg, uint32_t evt) | |
dea3101e | 1538 | { |
2e0fef85 | 1539 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1540 | |
51ef4c26 | 1541 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1542 | return ndlp->nlp_state; |
dea3101e | 1543 | } |
1544 | ||
1545 | static uint32_t | |
2e0fef85 JS |
1546 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1547 | void *arg, uint32_t evt) | |
dea3101e | 1548 | { |
92d7f7b0 | 1549 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1550 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1551 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1552 | IOCB_t *irsp; |
1553 | PRLI *npr; | |
1554 | ||
1555 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1556 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1557 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1558 | ||
1559 | irsp = &rspiocb->iocb; | |
1560 | if (irsp->ulpStatus) { | |
858c9f6c | 1561 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1562 | vport->cfg_restrict_login) { |
858c9f6c JS |
1563 | goto out; |
1564 | } | |
5024ab17 | 1565 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1566 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1567 | return ndlp->nlp_state; |
dea3101e | 1568 | } |
1569 | ||
1570 | /* Check out PRLI rsp */ | |
1571 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1572 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1573 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1574 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1575 | if (npr->initiatorFunc) | |
1576 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1577 | if (npr->targetFunc) | |
1578 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1579 | if (npr->Retry) | |
1580 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1581 | } | |
92d7f7b0 JS |
1582 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1583 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1584 | vport->cfg_restrict_login) { |
858c9f6c | 1585 | out: |
92d7f7b0 JS |
1586 | spin_lock_irq(shost->host_lock); |
1587 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1588 | spin_unlock_irq(shost->host_lock); | |
1589 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1590 | ||
1591 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1592 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1593 | return ndlp->nlp_state; |
1594 | } | |
dea3101e | 1595 | |
5024ab17 | 1596 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1597 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1598 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1599 | else | |
1600 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1601 | return ndlp->nlp_state; |
dea3101e | 1602 | } |
1603 | ||
1604 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1605 | * |
1606 | * \pre | |
1607 | * \post | |
1608 | * \param phba | |
1609 | * \param ndlp | |
1610 | * \param arg | |
1611 | * \param evt | |
1612 | * \return uint32_t | |
1613 | * | |
1614 | * \b Description: | |
1615 | * This routine is envoked when we a request to remove a nport we are in the | |
1616 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1617 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1618 | * on plogi list so it can be freed when LOGO completes. | |
1619 | * | |
1620 | */ | |
1621 | ||
dea3101e | 1622 | static uint32_t |
2e0fef85 JS |
1623 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1624 | void *arg, uint32_t evt) | |
dea3101e | 1625 | { |
2e0fef85 JS |
1626 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1627 | ||
1628 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1629 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1630 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1631 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1632 | return ndlp->nlp_state; |
2e0fef85 | 1633 | } else { |
a0f9b48d | 1634 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1635 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1636 | |
2e0fef85 | 1637 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1638 | return NLP_STE_FREED_NODE; |
1639 | } | |
dea3101e | 1640 | } |
1641 | ||
1642 | ||
1643 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1644 | * |
1645 | * \pre | |
1646 | * \post | |
1647 | * \param phba | |
1648 | * \param ndlp | |
1649 | * \param arg | |
1650 | * \param evt | |
1651 | * \return uint32_t | |
1652 | * | |
1653 | * \b Description: | |
1654 | * The routine is envoked when the state of a device is unknown, like | |
1655 | * during a link down. We should remove the nodelist entry from the | |
1656 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1657 | * outstanding PRLI command, then free the node entry. | |
1658 | */ | |
dea3101e | 1659 | static uint32_t |
2e0fef85 JS |
1660 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1661 | struct lpfc_nodelist *ndlp, | |
1662 | void *arg, | |
1663 | uint32_t evt) | |
dea3101e | 1664 | { |
2e0fef85 JS |
1665 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1666 | struct lpfc_hba *phba = vport->phba; | |
1667 | ||
92d7f7b0 JS |
1668 | /* Don't do anything that will mess up processing of the |
1669 | * previous RSCN. | |
1670 | */ | |
1671 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1672 | return ndlp->nlp_state; | |
1673 | ||
dea3101e | 1674 | /* software abort outstanding PRLI */ |
07951076 | 1675 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1676 | |
5024ab17 | 1677 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1678 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1679 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1680 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1681 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1682 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1683 | return ndlp->nlp_state; |
dea3101e | 1684 | } |
1685 | ||
1686 | static uint32_t | |
2e0fef85 JS |
1687 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1688 | void *arg, uint32_t evt) | |
dea3101e | 1689 | { |
2e0fef85 | 1690 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1691 | |
2e0fef85 | 1692 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1693 | return ndlp->nlp_state; |
dea3101e | 1694 | } |
1695 | ||
1696 | static uint32_t | |
2e0fef85 JS |
1697 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1698 | void *arg, uint32_t evt) | |
dea3101e | 1699 | { |
2e0fef85 | 1700 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1701 | |
2e0fef85 JS |
1702 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1703 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1704 | return ndlp->nlp_state; |
dea3101e | 1705 | } |
1706 | ||
1707 | static uint32_t | |
2e0fef85 JS |
1708 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1709 | void *arg, uint32_t evt) | |
dea3101e | 1710 | { |
2e0fef85 | 1711 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1712 | |
2e0fef85 | 1713 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1714 | return ndlp->nlp_state; |
dea3101e | 1715 | } |
1716 | ||
1717 | static uint32_t | |
2e0fef85 JS |
1718 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1719 | void *arg, uint32_t evt) | |
dea3101e | 1720 | { |
2e0fef85 | 1721 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1722 | |
2e0fef85 | 1723 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1724 | return ndlp->nlp_state; |
dea3101e | 1725 | } |
1726 | ||
1727 | static uint32_t | |
2e0fef85 JS |
1728 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1729 | void *arg, uint32_t evt) | |
dea3101e | 1730 | { |
2e0fef85 | 1731 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1732 | |
51ef4c26 | 1733 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1734 | return ndlp->nlp_state; |
dea3101e | 1735 | } |
1736 | ||
1737 | static uint32_t | |
2e0fef85 JS |
1738 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1739 | struct lpfc_nodelist *ndlp, | |
1740 | void *arg, | |
1741 | uint32_t evt) | |
dea3101e | 1742 | { |
2e0fef85 JS |
1743 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1744 | ||
5024ab17 | 1745 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1746 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1747 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1748 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1749 | spin_unlock_irq(shost->host_lock); |
1750 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1751 | |
c9f8735b | 1752 | return ndlp->nlp_state; |
dea3101e | 1753 | } |
1754 | ||
1755 | static uint32_t | |
2e0fef85 JS |
1756 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1757 | void *arg, uint32_t evt) | |
dea3101e | 1758 | { |
2e0fef85 | 1759 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1760 | |
2e0fef85 | 1761 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1762 | return ndlp->nlp_state; |
dea3101e | 1763 | } |
1764 | ||
1765 | static uint32_t | |
2e0fef85 JS |
1766 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1767 | void *arg, uint32_t evt) | |
dea3101e | 1768 | { |
2e0fef85 | 1769 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1770 | |
2e0fef85 | 1771 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1772 | return ndlp->nlp_state; |
dea3101e | 1773 | } |
1774 | ||
1775 | static uint32_t | |
2e0fef85 JS |
1776 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1777 | void *arg, uint32_t evt) | |
dea3101e | 1778 | { |
2e0fef85 | 1779 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1780 | |
2e0fef85 | 1781 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1782 | return ndlp->nlp_state; |
dea3101e | 1783 | } |
1784 | ||
1785 | static uint32_t | |
2e0fef85 JS |
1786 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1787 | struct lpfc_nodelist *ndlp, | |
1788 | void *arg, uint32_t evt) | |
dea3101e | 1789 | { |
2e0fef85 | 1790 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1791 | |
2e0fef85 | 1792 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1793 | return ndlp->nlp_state; |
dea3101e | 1794 | } |
1795 | ||
1796 | static uint32_t | |
2e0fef85 JS |
1797 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1798 | void *arg, uint32_t evt) | |
dea3101e | 1799 | { |
2e0fef85 JS |
1800 | struct lpfc_hba *phba = vport->phba; |
1801 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1802 | |
1803 | /* flush the target */ | |
51ef4c26 JS |
1804 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
1805 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 1806 | |
1807 | /* Treat like rcv logo */ | |
2e0fef85 | 1808 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1809 | return ndlp->nlp_state; |
dea3101e | 1810 | } |
1811 | ||
1812 | static uint32_t | |
2e0fef85 JS |
1813 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1814 | struct lpfc_nodelist *ndlp, | |
1815 | void *arg, | |
1816 | uint32_t evt) | |
dea3101e | 1817 | { |
2e0fef85 JS |
1818 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1819 | ||
5024ab17 | 1820 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1821 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1822 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1823 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1824 | spin_unlock_irq(shost->host_lock); |
1825 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1826 | return ndlp->nlp_state; |
dea3101e | 1827 | } |
1828 | ||
1829 | static uint32_t | |
2e0fef85 JS |
1830 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1831 | void *arg, uint32_t evt) | |
dea3101e | 1832 | { |
2e0fef85 JS |
1833 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1834 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1835 | |
1836 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 1837 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 1838 | return ndlp->nlp_state; |
2e0fef85 | 1839 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 1840 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 1841 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 1842 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 1843 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
1844 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
1845 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1846 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1847 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
1848 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
1849 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
1850 | } | |
dea3101e | 1851 | } |
c9f8735b | 1852 | return ndlp->nlp_state; |
dea3101e | 1853 | } |
1854 | ||
1855 | static uint32_t | |
2e0fef85 JS |
1856 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1857 | void *arg, uint32_t evt) | |
dea3101e | 1858 | { |
2e0fef85 JS |
1859 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1860 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1861 | struct ls_rjt stat; | |
dea3101e | 1862 | |
1863 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1864 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1865 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1866 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 1867 | |
1868 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1869 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1870 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1871 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1872 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1873 | spin_unlock_irq(shost->host_lock); |
1874 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1875 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1876 | } else { |
5024ab17 | 1877 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1878 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1879 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1880 | } |
1881 | } | |
c9f8735b | 1882 | return ndlp->nlp_state; |
dea3101e | 1883 | } |
1884 | ||
1885 | static uint32_t | |
2e0fef85 JS |
1886 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1887 | void *arg, uint32_t evt) | |
dea3101e | 1888 | { |
2e0fef85 | 1889 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1890 | |
2e0fef85 | 1891 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1892 | return ndlp->nlp_state; |
dea3101e | 1893 | } |
1894 | ||
1895 | static uint32_t | |
2e0fef85 JS |
1896 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1897 | void *arg, uint32_t evt) | |
dea3101e | 1898 | { |
2e0fef85 | 1899 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1900 | |
2e0fef85 | 1901 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
1902 | /* |
1903 | * Do not start discovery if discovery is about to start | |
1904 | * or discovery in progress for this node. Starting discovery | |
1905 | * here will affect the counting of discovery threads. | |
1906 | */ | |
2fb9bd8b | 1907 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1908 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1909 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1910 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1911 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1912 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1913 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1914 | } else { |
5024ab17 | 1915 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1916 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1917 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1918 | } |
1919 | } | |
c9f8735b | 1920 | return ndlp->nlp_state; |
dea3101e | 1921 | } |
1922 | ||
1923 | static uint32_t | |
2e0fef85 JS |
1924 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1925 | void *arg, uint32_t evt) | |
dea3101e | 1926 | { |
2e0fef85 JS |
1927 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1928 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1929 | |
2e0fef85 | 1930 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1931 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1932 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1933 | |
51ef4c26 | 1934 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 1935 | |
2e0fef85 | 1936 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1937 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1938 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1939 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1940 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1941 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1942 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1943 | } else { |
2e0fef85 | 1944 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1945 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1946 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1947 | } |
c9f8735b JW |
1948 | return ndlp->nlp_state; |
1949 | } | |
dea3101e | 1950 | |
c9f8735b | 1951 | static uint32_t |
2e0fef85 JS |
1952 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1953 | void *arg, uint32_t evt) | |
c9f8735b JW |
1954 | { |
1955 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1956 | IOCB_t *irsp; |
c9f8735b JW |
1957 | |
1958 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1959 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1960 | |
1961 | irsp = &rspiocb->iocb; | |
1962 | if (irsp->ulpStatus) { | |
a8adb832 | 1963 | ndlp->nlp_flag |= NLP_DEFER_RM; |
a0f9b48d JS |
1964 | return NLP_STE_FREED_NODE; |
1965 | } | |
c9f8735b JW |
1966 | return ndlp->nlp_state; |
1967 | } | |
1968 | ||
1969 | static uint32_t | |
2e0fef85 JS |
1970 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1971 | void *arg, uint32_t evt) | |
c9f8735b JW |
1972 | { |
1973 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1974 | IOCB_t *irsp; |
c9f8735b JW |
1975 | |
1976 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1977 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1978 | |
1979 | irsp = &rspiocb->iocb; | |
1980 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1981 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1982 | return NLP_STE_FREED_NODE; |
1983 | } | |
c9f8735b | 1984 | return ndlp->nlp_state; |
dea3101e | 1985 | } |
1986 | ||
1987 | static uint32_t | |
2e0fef85 JS |
1988 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1989 | void *arg, uint32_t evt) | |
dea3101e | 1990 | { |
d7c255b2 JS |
1991 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1992 | if (ndlp->nlp_DID == Fabric_DID) { | |
1993 | spin_lock_irq(shost->host_lock); | |
1994 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1995 | spin_unlock_irq(shost->host_lock); | |
1996 | } | |
2e0fef85 | 1997 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
1998 | return ndlp->nlp_state; |
1999 | } | |
2000 | ||
2001 | static uint32_t | |
2e0fef85 JS |
2002 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2003 | void *arg, uint32_t evt) | |
c9f8735b JW |
2004 | { |
2005 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 2006 | IOCB_t *irsp; |
c9f8735b JW |
2007 | |
2008 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2009 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
2010 | |
2011 | irsp = &rspiocb->iocb; | |
2012 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 2013 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2014 | return NLP_STE_FREED_NODE; |
2015 | } | |
c9f8735b | 2016 | return ndlp->nlp_state; |
dea3101e | 2017 | } |
2018 | ||
2019 | static uint32_t | |
2e0fef85 JS |
2020 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
2021 | struct lpfc_nodelist *ndlp, | |
2022 | void *arg, uint32_t evt) | |
dea3101e | 2023 | { |
2e0fef85 | 2024 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 2025 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2026 | |
04c68496 | 2027 | if (!mb->mbxStatus) { |
c9f8735b | 2028 | ndlp->nlp_rpi = mb->un.varWords[0]; |
4042629e | 2029 | ndlp->nlp_flag |= NLP_RPI_REGISTERED; |
04c68496 | 2030 | } else { |
a0f9b48d | 2031 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 2032 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
2033 | return NLP_STE_FREED_NODE; |
2034 | } | |
2035 | } | |
c9f8735b | 2036 | return ndlp->nlp_state; |
dea3101e | 2037 | } |
2038 | ||
2039 | static uint32_t | |
2e0fef85 JS |
2040 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2041 | void *arg, uint32_t evt) | |
dea3101e | 2042 | { |
2e0fef85 JS |
2043 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2044 | ||
a0f9b48d | 2045 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2046 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2047 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 2048 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
2049 | return ndlp->nlp_state; |
2050 | } | |
2e0fef85 | 2051 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 2052 | return NLP_STE_FREED_NODE; |
dea3101e | 2053 | } |
2054 | ||
2055 | static uint32_t | |
2e0fef85 JS |
2056 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2057 | void *arg, uint32_t evt) | |
dea3101e | 2058 | { |
2e0fef85 JS |
2059 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2060 | ||
92d7f7b0 JS |
2061 | /* Don't do anything that will mess up processing of the |
2062 | * previous RSCN. | |
2063 | */ | |
2064 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
2065 | return ndlp->nlp_state; | |
2066 | ||
eaf15d5b | 2067 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 2068 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 2069 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 2070 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2071 | return ndlp->nlp_state; |
dea3101e | 2072 | } |
2073 | ||
2074 | ||
2075 | /* This next section defines the NPort Discovery State Machine */ | |
2076 | ||
2077 | /* There are 4 different double linked lists nodelist entries can reside on. | |
2078 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
2079 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
2080 | * or ADISC on. These lists will keep track of what nodes will be effected | |
2081 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
2082 | * The unmapped_list will contain all nodes that we have successfully logged | |
2083 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
2084 | * that are mapped FCP targets. | |
2085 | */ | |
2086 | /* | |
2087 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
2088 | * that we have saved binding information on. This information is used when | |
2089 | * nodes transition from the unmapped to the mapped list. | |
2090 | */ | |
2091 | /* For UNUSED_NODE state, the node has just been allocated . | |
2092 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
2093 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
2094 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
2095 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
2096 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
2097 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
2098 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
2099 | * node, the node is taken off the unmapped list. The binding list is checked | |
2100 | * for a valid binding, or a binding is automatically assigned. If binding | |
2101 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
2102 | * binding assignment is successful, the associated binding list entry (if | |
2103 | * any) is removed, and the node is placed on the mapped list. | |
2104 | */ | |
2105 | /* | |
2106 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2107 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 2108 | * expire, all effected nodes will receive a DEVICE_RM event. |
2109 | */ | |
2110 | /* | |
2111 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2112 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2113 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2114 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2115 | * we will first process the ADISC list. 32 entries are processed initially and | |
2116 | * ADISC is initited for each one. Completions / Events for each node are | |
2117 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2118 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2119 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2120 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2121 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2122 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2123 | * Completions / Events for each node are funnelled thru the state machine. As | |
2124 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2125 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2126 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2127 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2128 | * unmapped lists. | |
2129 | */ | |
2130 | ||
2131 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2132 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e | 2133 | /* Action routine Event Current State */ |
2134 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2135 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2136 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2137 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2138 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2139 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2140 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2141 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2142 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2143 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2144 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2145 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
2146 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
2147 | ||
2148 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2149 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2150 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 2151 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2152 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2153 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2154 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2155 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2156 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2157 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2158 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e | 2159 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2160 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2161 | ||
2162 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2163 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2164 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2165 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2166 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2167 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2168 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2169 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2170 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2171 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2172 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2173 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2174 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2175 | ||
2176 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2177 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2178 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2179 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2180 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2181 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2182 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2183 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2184 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2185 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2186 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2187 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2188 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2189 | ||
2190 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2191 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2192 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2193 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2194 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2195 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2196 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2197 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2198 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2199 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2200 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2201 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2202 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2203 | ||
2204 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2205 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2206 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2207 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2208 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2209 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2210 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2211 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2212 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2213 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2214 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2215 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2216 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2217 | ||
2218 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2219 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2220 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2221 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2222 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2223 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2224 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2225 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2226 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2227 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2228 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2229 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2230 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2231 | ||
2232 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2233 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2234 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2235 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2236 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2237 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2238 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2239 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2240 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2241 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 2242 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2243 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2244 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2245 | }; | |
2246 | ||
2247 | int | |
2e0fef85 JS |
2248 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2249 | void *arg, uint32_t evt) | |
dea3101e | 2250 | { |
2251 | uint32_t cur_state, rc; | |
2e0fef85 | 2252 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2253 | uint32_t); |
e47c9093 JS |
2254 | uint32_t got_ndlp = 0; |
2255 | ||
2256 | if (lpfc_nlp_get(ndlp)) | |
2257 | got_ndlp = 1; | |
dea3101e | 2258 | |
dea3101e | 2259 | cur_state = ndlp->nlp_state; |
2260 | ||
2261 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2262 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2263 | "0211 DSM in event x%x on NPort x%x in " | |
2264 | "state %d Data: x%x\n", | |
2265 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2266 | |
858c9f6c JS |
2267 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2268 | "DSM in: evt:%d ste:%d did:x%x", | |
2269 | evt, cur_state, ndlp->nlp_DID); | |
2270 | ||
dea3101e | 2271 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2272 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e | 2273 | |
2274 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2275 | if (got_ndlp) { |
2276 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2277 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2278 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2279 | |
e47c9093 JS |
2280 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2281 | "DSM out: ste:%d did:x%x flg:x%x", | |
2282 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2283 | /* Decrement the ndlp reference count held for this function */ | |
2284 | lpfc_nlp_put(ndlp); | |
2285 | } else { | |
2286 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2287 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2288 | |
e47c9093 JS |
2289 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2290 | "DSM out: ste:%d did:x%x flg:x%x", | |
2291 | rc, 0, 0); | |
2292 | } | |
dea3101e | 2293 | |
c9f8735b | 2294 | return rc; |
dea3101e | 2295 | } |