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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 | ||
193 | /* | |
194 | * Free resources / clean up outstanding I/Os | |
195 | * associated with a LPFC_NODELIST entry. This | |
196 | * routine effectively results in a "software abort". | |
197 | */ | |
198 | int | |
2e0fef85 | 199 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 200 | { |
2534ba75 | 201 | LIST_HEAD(completions); |
2e0fef85 JS |
202 | struct lpfc_sli *psli = &phba->sli; |
203 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 204 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 205 | |
206 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
e8b62011 JS |
207 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
208 | "0205 Abort outstanding I/O on NPort x%x " | |
209 | "Data: x%x x%x x%x\n", | |
210 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
211 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
212 | |
213 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 214 | |
dea3101e | 215 | /* First check the txq */ |
2e0fef85 | 216 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 217 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 218 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 219 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 220 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
221 | list_move_tail(&iocb->list, &completions); |
222 | pring->txq_cnt--; | |
dea3101e | 223 | } |
2534ba75 | 224 | } |
dea3101e | 225 | |
dea3101e | 226 | /* Next check the txcmplq */ |
07951076 | 227 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
858c9f6c | 228 | /* Check to see if iocb matches the nport we are looking for */ |
92d7f7b0 | 229 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
07951076 | 230 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 231 | } |
07951076 | 232 | } |
2e0fef85 | 233 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 234 | |
a257bf90 JS |
235 | /* Cancel all the IOCBs from the completions list */ |
236 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
237 | IOERR_SLI_ABORTED); | |
2534ba75 | 238 | |
0d2b6b83 | 239 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 240 | return 0; |
dea3101e | 241 | } |
242 | ||
243 | static int | |
2e0fef85 | 244 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 245 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 246 | { |
2e0fef85 JS |
247 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
248 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 249 | struct lpfc_dmabuf *pcmd; |
250 | uint32_t *lp; | |
251 | IOCB_t *icmd; | |
252 | struct serv_parm *sp; | |
253 | LPFC_MBOXQ_t *mbox; | |
254 | struct ls_rjt stat; | |
255 | int rc; | |
256 | ||
257 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
695a814e | 258 | if (vport->port_state <= LPFC_FDISC) { |
dea3101e | 259 | /* Before responding to PLOGI, check for pt2pt mode. |
260 | * If we are pt2pt, with an outstanding FLOGI, abort | |
261 | * the FLOGI and resend it first. | |
262 | */ | |
2e0fef85 | 263 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 264 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 265 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e | 266 | /* If the other side is supposed to initiate |
267 | * the PLOGI anyway, just ACC it now and | |
268 | * move on with discovery. | |
269 | */ | |
270 | phba->fc_edtov = FF_DEF_EDTOV; | |
271 | phba->fc_ratov = FF_DEF_RATOV; | |
272 | /* Start discovery - this should just do | |
273 | CLEAR_LA */ | |
2e0fef85 | 274 | lpfc_disc_start(vport); |
ed957684 | 275 | } else |
2e0fef85 | 276 | lpfc_initial_flogi(vport); |
2fe165b6 | 277 | } else { |
dea3101e | 278 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
279 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 280 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 281 | ndlp, NULL); |
dea3101e | 282 | return 0; |
283 | } | |
284 | } | |
285 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
286 | lp = (uint32_t *) pcmd->virt; | |
287 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
a8adb832 JS |
288 | if (wwn_to_u64(sp->portName.u.wwn) == 0) { |
289 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
290 | "0140 PLOGI Reject: invalid nname\n"); | |
291 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
292 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; | |
293 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
294 | NULL); | |
295 | return 0; | |
296 | } | |
297 | if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { | |
298 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
299 | "0141 PLOGI Reject: invalid pname\n"); | |
300 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
301 | stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; | |
302 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, | |
303 | NULL); | |
304 | return 0; | |
305 | } | |
341af102 | 306 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { |
dea3101e | 307 | /* Reject this request because invalid parameters */ |
308 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
309 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
310 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
311 | NULL); | |
c9f8735b | 312 | return 0; |
dea3101e | 313 | } |
314 | icmd = &cmdiocb->iocb; | |
315 | ||
316 | /* PLOGI chkparm OK */ | |
e8b62011 JS |
317 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
318 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
319 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
320 | ndlp->nlp_rpi); | |
dea3101e | 321 | |
3de2a653 | 322 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 323 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 324 | else |
dea3101e | 325 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 326 | |
dea3101e | 327 | ndlp->nlp_class_sup = 0; |
328 | if (sp->cls1.classValid) | |
329 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
330 | if (sp->cls2.classValid) | |
331 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
332 | if (sp->cls3.classValid) | |
333 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
334 | if (sp->cls4.classValid) | |
335 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
336 | ndlp->nlp_maxframe = | |
337 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
338 | ||
339 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 340 | switch (ndlp->nlp_state) { |
dea3101e | 341 | case NLP_STE_NPR_NODE: |
342 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
343 | break; | |
344 | case NLP_STE_REG_LOGIN_ISSUE: | |
345 | case NLP_STE_PRLI_ISSUE: | |
346 | case NLP_STE_UNMAPPED_NODE: | |
347 | case NLP_STE_MAPPED_NODE: | |
51ef4c26 | 348 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
c9f8735b | 349 | return 1; |
dea3101e | 350 | } |
351 | ||
92d7f7b0 JS |
352 | if ((vport->fc_flag & FC_PT2PT) && |
353 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 354 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 355 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e | 356 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
357 | if (mbox == NULL) | |
358 | goto out; | |
359 | lpfc_config_link(phba, mbox); | |
360 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 361 | mbox->vport = vport; |
0b727fea | 362 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 363 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 364 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 365 | goto out; |
366 | } | |
367 | ||
2e0fef85 | 368 | lpfc_can_disctmo(vport); |
dea3101e | 369 | } |
370 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 371 | if (!mbox) |
dea3101e | 372 | goto out; |
373 | ||
6fb120a7 | 374 | rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, |
92d7f7b0 | 375 | (uint8_t *) sp, mbox, 0); |
2e0fef85 JS |
376 | if (rc) { |
377 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 378 | goto out; |
379 | } | |
380 | ||
381 | /* ACC PLOGI rsp command needs to execute first, | |
382 | * queue this mbox command to be processed later. | |
383 | */ | |
384 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
385 | /* |
386 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
387 | * command issued in lpfc_cmpl_els_acc(). | |
388 | */ | |
2e0fef85 JS |
389 | mbox->vport = vport; |
390 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 391 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 392 | spin_unlock_irq(shost->host_lock); |
dea3101e | 393 | |
33ccf8d1 JS |
394 | /* |
395 | * If there is an outstanding PLOGI issued, abort it before | |
396 | * sending ACC rsp for received PLOGI. If pending plogi | |
397 | * is not canceled here, the plogi will be rejected by | |
398 | * remote port and will be retried. On a configuration with | |
399 | * single discovery thread, this will cause a huge delay in | |
400 | * discovery. Also this will cause multiple state machines | |
401 | * running in parallel for this node. | |
402 | */ | |
403 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
404 | /* software abort outstanding PLOGI */ | |
07951076 | 405 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
406 | } |
407 | ||
858c9f6c | 408 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 409 | vport->cfg_restrict_login)) { |
858c9f6c JS |
410 | |
411 | /* In order to preserve RPIs, we want to cleanup | |
412 | * the default RPI the firmware created to rcv | |
413 | * this ELS request. The only way to do this is | |
414 | * to register, then unregister the RPI. | |
415 | */ | |
416 | spin_lock_irq(shost->host_lock); | |
417 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
418 | spin_unlock_irq(shost->host_lock); | |
419 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
420 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
421 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
422 | ndlp, mbox); | |
423 | return 1; | |
424 | } | |
51ef4c26 | 425 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
c9f8735b | 426 | return 1; |
dea3101e | 427 | out: |
428 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
429 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 430 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 431 | return 0; |
dea3101e | 432 | } |
433 | ||
434 | static int | |
2e0fef85 | 435 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 436 | struct lpfc_iocbq *cmdiocb) |
437 | { | |
2e0fef85 | 438 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 439 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
440 | struct serv_parm *sp; |
441 | struct lpfc_name *pnn, *ppn; | |
dea3101e | 442 | struct ls_rjt stat; |
443 | ADISC *ap; | |
444 | IOCB_t *icmd; | |
445 | uint32_t *lp; | |
446 | uint32_t cmd; | |
447 | ||
448 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
449 | lp = (uint32_t *) pcmd->virt; | |
450 | ||
451 | cmd = *lp++; | |
452 | if (cmd == ELS_CMD_ADISC) { | |
453 | ap = (ADISC *) lp; | |
454 | pnn = (struct lpfc_name *) & ap->nodeName; | |
455 | ppn = (struct lpfc_name *) & ap->portName; | |
456 | } else { | |
457 | sp = (struct serv_parm *) lp; | |
458 | pnn = (struct lpfc_name *) & sp->nodeName; | |
459 | ppn = (struct lpfc_name *) & sp->portName; | |
460 | } | |
461 | ||
462 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 463 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 464 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 465 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 466 | } else { |
2e0fef85 | 467 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
51ef4c26 | 468 | NULL); |
dea3101e | 469 | } |
c9f8735b | 470 | return 1; |
dea3101e | 471 | } |
472 | /* Reject this request because invalid parameters */ | |
473 | stat.un.b.lsRjtRsvd0 = 0; | |
474 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
475 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
476 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 477 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 478 | |
dea3101e | 479 | /* 1 sec timeout */ |
480 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
481 | ||
2e0fef85 | 482 | spin_lock_irq(shost->host_lock); |
dea3101e | 483 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 484 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
485 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
486 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 487 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 488 | return 0; |
dea3101e | 489 | } |
490 | ||
491 | static int | |
2e0fef85 JS |
492 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
493 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 494 | { |
2e0fef85 JS |
495 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
496 | ||
497 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e | 498 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
499 | * PLOGIs during LOGO storms from a device. | |
500 | */ | |
2e0fef85 | 501 | spin_lock_irq(shost->host_lock); |
dea3101e | 502 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 503 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 504 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 505 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 506 | else |
51ef4c26 | 507 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
0c287589 | 508 | if ((ndlp->nlp_DID == Fabric_DID) && |
6fb120a7 JS |
509 | vport->port_type == LPFC_NPIV_PORT) { |
510 | lpfc_linkdown_port(vport); | |
511 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); | |
512 | spin_lock_irq(shost->host_lock); | |
513 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
514 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 515 | |
6fb120a7 JS |
516 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
517 | } else if ((!(ndlp->nlp_type & NLP_FABRIC) && | |
518 | ((ndlp->nlp_type & NLP_FCP_TARGET) || | |
519 | !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || | |
520 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { | |
dea3101e | 521 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 522 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 523 | spin_lock_irq(shost->host_lock); |
dea3101e | 524 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 525 | spin_unlock_irq(shost->host_lock); |
dea3101e | 526 | |
5024ab17 | 527 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 528 | } |
87af33fe JS |
529 | ndlp->nlp_prev_state = ndlp->nlp_state; |
530 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 531 | |
2e0fef85 | 532 | spin_lock_irq(shost->host_lock); |
dea3101e | 533 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 534 | spin_unlock_irq(shost->host_lock); |
dea3101e | 535 | /* The driver has to wait until the ACC completes before it continues |
536 | * processing the LOGO. The action will resume in | |
537 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
538 | * unreg_login, the driver waits so the ACC does not get aborted. | |
539 | */ | |
c9f8735b | 540 | return 0; |
dea3101e | 541 | } |
542 | ||
543 | static void | |
2e0fef85 JS |
544 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
545 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 546 | { |
547 | struct lpfc_dmabuf *pcmd; | |
548 | uint32_t *lp; | |
549 | PRLI *npr; | |
550 | struct fc_rport *rport = ndlp->rport; | |
551 | u32 roles; | |
552 | ||
553 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
554 | lp = (uint32_t *) pcmd->virt; | |
555 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
556 | ||
557 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
558 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 559 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e | 560 | if (npr->initiatorFunc) |
561 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
562 | if (npr->targetFunc) | |
563 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
564 | if (npr->Retry) | |
565 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
566 | } | |
567 | if (rport) { | |
568 | /* We need to update the rport role values */ | |
569 | roles = FC_RPORT_ROLE_UNKNOWN; | |
570 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
571 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
572 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
573 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
574 | |
575 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
576 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
577 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
578 | ||
dea3101e | 579 | fc_remote_port_rolechg(rport, roles); |
580 | } | |
581 | } | |
582 | ||
583 | static uint32_t | |
2e0fef85 | 584 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 585 | { |
2e0fef85 | 586 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 587 | |
6fb120a7 | 588 | if (!(ndlp->nlp_flag & NLP_RPI_VALID)) { |
51ef4c26 JS |
589 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
590 | return 0; | |
591 | } | |
592 | ||
1b32f6aa JS |
593 | if (!(vport->fc_flag & FC_PT2PT)) { |
594 | /* Check config parameter use-adisc or FCP-2 */ | |
595 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || | |
596 | ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { | |
597 | spin_lock_irq(shost->host_lock); | |
598 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
599 | spin_unlock_irq(shost->host_lock); | |
600 | return 1; | |
601 | } | |
92d7f7b0 JS |
602 | } |
603 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
604 | lpfc_unreg_rpi(vport, ndlp); | |
605 | return 0; | |
dea3101e | 606 | } |
607 | ||
608 | static uint32_t | |
2e0fef85 JS |
609 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
610 | void *arg, uint32_t evt) | |
dea3101e | 611 | { |
e8b62011 | 612 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
e47c9093 | 613 | "0271 Illegal State Transition: node x%x " |
e8b62011 JS |
614 | "event x%x, state x%x Data: x%x x%x\n", |
615 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
616 | ndlp->nlp_flag); | |
c9f8735b | 617 | return ndlp->nlp_state; |
dea3101e | 618 | } |
619 | ||
87af33fe JS |
620 | static uint32_t |
621 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
622 | void *arg, uint32_t evt) | |
623 | { | |
624 | /* This transition is only legal if we previously | |
625 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
626 | * working on the same NPortID, do nothing for this thread | |
627 | * to stop it. | |
628 | */ | |
629 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
630 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
e47c9093 | 631 | "0272 Illegal State Transition: node x%x " |
87af33fe JS |
632 | "event x%x, state x%x Data: x%x x%x\n", |
633 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
634 | ndlp->nlp_flag); | |
635 | } | |
636 | return ndlp->nlp_state; | |
637 | } | |
638 | ||
dea3101e | 639 | /* Start of Discovery State Machine routines */ |
640 | ||
641 | static uint32_t | |
2e0fef85 JS |
642 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
643 | void *arg, uint32_t evt) | |
dea3101e | 644 | { |
645 | struct lpfc_iocbq *cmdiocb; | |
646 | ||
647 | cmdiocb = (struct lpfc_iocbq *) arg; | |
648 | ||
2e0fef85 | 649 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 650 | return ndlp->nlp_state; |
dea3101e | 651 | } |
c9f8735b | 652 | return NLP_STE_FREED_NODE; |
dea3101e | 653 | } |
654 | ||
655 | static uint32_t | |
2e0fef85 JS |
656 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
657 | void *arg, uint32_t evt) | |
dea3101e | 658 | { |
2e0fef85 | 659 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 660 | return ndlp->nlp_state; |
dea3101e | 661 | } |
662 | ||
663 | static uint32_t | |
2e0fef85 JS |
664 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
665 | void *arg, uint32_t evt) | |
dea3101e | 666 | { |
2e0fef85 JS |
667 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
668 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 669 | |
2e0fef85 | 670 | spin_lock_irq(shost->host_lock); |
dea3101e | 671 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 672 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 673 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 674 | |
c9f8735b | 675 | return ndlp->nlp_state; |
dea3101e | 676 | } |
677 | ||
678 | static uint32_t | |
2e0fef85 JS |
679 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
680 | void *arg, uint32_t evt) | |
dea3101e | 681 | { |
c9f8735b | 682 | return NLP_STE_FREED_NODE; |
dea3101e | 683 | } |
684 | ||
685 | static uint32_t | |
2e0fef85 JS |
686 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
687 | void *arg, uint32_t evt) | |
dea3101e | 688 | { |
c9f8735b | 689 | return NLP_STE_FREED_NODE; |
dea3101e | 690 | } |
691 | ||
692 | static uint32_t | |
2e0fef85 | 693 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 694 | void *arg, uint32_t evt) |
695 | { | |
0d2b6b83 | 696 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 697 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 698 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
699 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
700 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
701 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e | 702 | struct ls_rjt stat; |
703 | int port_cmp; | |
704 | ||
dea3101e | 705 | memset(&stat, 0, sizeof (struct ls_rjt)); |
706 | ||
707 | /* For a PLOGI, we only accept if our portname is less | |
708 | * than the remote portname. | |
709 | */ | |
710 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 711 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 712 | sizeof(struct lpfc_name)); |
dea3101e | 713 | |
714 | if (port_cmp >= 0) { | |
715 | /* Reject this request because the remote node will accept | |
716 | ours */ | |
717 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
718 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
719 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
720 | NULL); | |
2fe165b6 | 721 | } else { |
0d2b6b83 JS |
722 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && |
723 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) && | |
724 | (vport->num_disc_nodes)) { | |
725 | spin_lock_irq(shost->host_lock); | |
726 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
727 | spin_unlock_irq(shost->host_lock); | |
728 | /* Check if there are more PLOGIs to be sent */ | |
729 | lpfc_more_plogi(vport); | |
730 | if (vport->num_disc_nodes == 0) { | |
731 | spin_lock_irq(shost->host_lock); | |
732 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
733 | spin_unlock_irq(shost->host_lock); | |
734 | lpfc_can_disctmo(vport); | |
735 | lpfc_end_rscn(vport); | |
736 | } | |
737 | } | |
2e0fef85 | 738 | } /* If our portname was less */ |
dea3101e | 739 | |
c9f8735b JW |
740 | return ndlp->nlp_state; |
741 | } | |
742 | ||
92d7f7b0 JS |
743 | static uint32_t |
744 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
745 | void *arg, uint32_t evt) | |
746 | { | |
747 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
748 | struct ls_rjt stat; | |
749 | ||
750 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
751 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
752 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 753 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
754 | return ndlp->nlp_state; |
755 | } | |
756 | ||
c9f8735b | 757 | static uint32_t |
2e0fef85 JS |
758 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
759 | void *arg, uint32_t evt) | |
c9f8735b | 760 | { |
2e0fef85 | 761 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 762 | |
92d7f7b0 | 763 | /* software abort outstanding PLOGI */ |
2e0fef85 | 764 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 765 | |
2e0fef85 | 766 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 767 | return ndlp->nlp_state; |
dea3101e | 768 | } |
769 | ||
770 | static uint32_t | |
2e0fef85 JS |
771 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
772 | void *arg, uint32_t evt) | |
dea3101e | 773 | { |
2e0fef85 JS |
774 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
775 | struct lpfc_hba *phba = vport->phba; | |
776 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 777 | |
778 | /* software abort outstanding PLOGI */ | |
07951076 | 779 | lpfc_els_abort(phba, ndlp); |
dea3101e | 780 | |
781 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 782 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 783 | } else { |
2e0fef85 | 784 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e | 785 | } |
786 | ||
2e0fef85 | 787 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 788 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 789 | spin_lock_irq(shost->host_lock); |
5024ab17 | 790 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 791 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
792 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
793 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 794 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 795 | |
c9f8735b | 796 | return ndlp->nlp_state; |
dea3101e | 797 | } |
798 | ||
799 | static uint32_t | |
2e0fef85 JS |
800 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
801 | struct lpfc_nodelist *ndlp, | |
802 | void *arg, | |
dea3101e | 803 | uint32_t evt) |
804 | { | |
2e0fef85 | 805 | struct lpfc_hba *phba = vport->phba; |
0ff10d46 | 806 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 807 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
14691150 | 808 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e | 809 | uint32_t *lp; |
810 | IOCB_t *irsp; | |
811 | struct serv_parm *sp; | |
812 | LPFC_MBOXQ_t *mbox; | |
813 | ||
814 | cmdiocb = (struct lpfc_iocbq *) arg; | |
815 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
816 | ||
817 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 818 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 819 | return ndlp->nlp_state; |
dea3101e | 820 | } |
821 | ||
822 | irsp = &rspiocb->iocb; | |
823 | ||
824 | if (irsp->ulpStatus) | |
825 | goto out; | |
826 | ||
827 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
828 | ||
2e0fef85 | 829 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 830 | |
2e0fef85 | 831 | lp = (uint32_t *) prsp->virt; |
dea3101e | 832 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
58da1ffb JS |
833 | |
834 | /* Some switches have FDMI servers returning 0 for WWN */ | |
835 | if ((ndlp->nlp_DID != FDMI_DID) && | |
836 | (wwn_to_u64(sp->portName.u.wwn) == 0 || | |
837 | wwn_to_u64(sp->nodeName.u.wwn) == 0)) { | |
a8adb832 JS |
838 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
839 | "0142 PLOGI RSP: Invalid WWN.\n"); | |
840 | goto out; | |
841 | } | |
341af102 | 842 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) |
dea3101e | 843 | goto out; |
dea3101e | 844 | /* PLOGI chkparm OK */ |
e8b62011 JS |
845 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
846 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
847 | ndlp->nlp_DID, ndlp->nlp_state, | |
848 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 849 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 850 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 851 | else |
dea3101e | 852 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 853 | |
dea3101e | 854 | ndlp->nlp_class_sup = 0; |
855 | if (sp->cls1.classValid) | |
856 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
857 | if (sp->cls2.classValid) | |
858 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
859 | if (sp->cls3.classValid) | |
860 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
861 | if (sp->cls4.classValid) | |
862 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
863 | ndlp->nlp_maxframe = | |
2e0fef85 | 864 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 865 | |
2e0fef85 | 866 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 867 | if (!mbox) { |
e8b62011 JS |
868 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
869 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 870 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
871 | ndlp->nlp_DID, ndlp->nlp_state, |
872 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 873 | goto out; |
92d7f7b0 | 874 | } |
dea3101e | 875 | |
2e0fef85 JS |
876 | lpfc_unreg_rpi(vport, ndlp); |
877 | ||
6fb120a7 | 878 | if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
92d7f7b0 | 879 | (uint8_t *) sp, mbox, 0) == 0) { |
2fe165b6 | 880 | switch (ndlp->nlp_DID) { |
dea3101e | 881 | case NameServer_DID: |
de0c5b32 | 882 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e | 883 | break; |
884 | case FDMI_DID: | |
de0c5b32 | 885 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e | 886 | break; |
887 | default: | |
de0c5b32 | 888 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 889 | } |
329f9bc7 | 890 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 891 | mbox->vport = vport; |
0b727fea | 892 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 893 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
894 | lpfc_nlp_set_state(vport, ndlp, |
895 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 896 | return ndlp->nlp_state; |
dea3101e | 897 | } |
fa4066b6 JS |
898 | /* decrement node reference count to the failed mbox |
899 | * command | |
900 | */ | |
329f9bc7 | 901 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 902 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
903 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
904 | kfree(mp); | |
dea3101e | 905 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 906 | |
e8b62011 JS |
907 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
908 | "0134 PLOGI: cannot issue reg_login " | |
909 | "Data: x%x x%x x%x x%x\n", | |
910 | ndlp->nlp_DID, ndlp->nlp_state, | |
911 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 912 | } else { |
913 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 914 | |
e8b62011 JS |
915 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
916 | "0135 PLOGI: cannot format reg_login " | |
917 | "Data: x%x x%x x%x x%x\n", | |
918 | ndlp->nlp_DID, ndlp->nlp_state, | |
919 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 920 | } |
921 | ||
922 | ||
92d7f7b0 JS |
923 | out: |
924 | if (ndlp->nlp_DID == NameServer_DID) { | |
925 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
926 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
927 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
928 | } |
929 | ||
0ff10d46 | 930 | spin_lock_irq(shost->host_lock); |
a8adb832 | 931 | ndlp->nlp_flag |= NLP_DEFER_RM; |
0ff10d46 | 932 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 933 | return NLP_STE_FREED_NODE; |
dea3101e | 934 | } |
935 | ||
0ff10d46 JS |
936 | static uint32_t |
937 | lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
938 | void *arg, uint32_t evt) | |
939 | { | |
940 | return ndlp->nlp_state; | |
941 | } | |
942 | ||
943 | static uint32_t | |
944 | lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, | |
945 | struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) | |
946 | { | |
947 | return ndlp->nlp_state; | |
948 | } | |
949 | ||
dea3101e | 950 | static uint32_t |
2e0fef85 JS |
951 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
952 | void *arg, uint32_t evt) | |
dea3101e | 953 | { |
2e0fef85 JS |
954 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
955 | ||
956 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
957 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 958 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 959 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 960 | return ndlp->nlp_state; |
2e0fef85 | 961 | } else { |
a0f9b48d | 962 | /* software abort outstanding PLOGI */ |
2e0fef85 | 963 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 964 | |
2e0fef85 | 965 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
966 | return NLP_STE_FREED_NODE; |
967 | } | |
dea3101e | 968 | } |
969 | ||
970 | static uint32_t | |
2e0fef85 JS |
971 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
972 | struct lpfc_nodelist *ndlp, | |
973 | void *arg, | |
974 | uint32_t evt) | |
dea3101e | 975 | { |
2e0fef85 JS |
976 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
977 | struct lpfc_hba *phba = vport->phba; | |
978 | ||
92d7f7b0 JS |
979 | /* Don't do anything that will mess up processing of the |
980 | * previous RSCN. | |
981 | */ | |
982 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
983 | return ndlp->nlp_state; | |
984 | ||
dea3101e | 985 | /* software abort outstanding PLOGI */ |
07951076 | 986 | lpfc_els_abort(phba, ndlp); |
dea3101e | 987 | |
5024ab17 | 988 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 989 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 990 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 991 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 992 | spin_unlock_irq(shost->host_lock); |
dea3101e | 993 | |
c9f8735b | 994 | return ndlp->nlp_state; |
dea3101e | 995 | } |
996 | ||
997 | static uint32_t | |
2e0fef85 JS |
998 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
999 | void *arg, uint32_t evt) | |
dea3101e | 1000 | { |
0d2b6b83 | 1001 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1002 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1003 | struct lpfc_iocbq *cmdiocb; |
1004 | ||
1005 | /* software abort outstanding ADISC */ | |
07951076 | 1006 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1007 | |
1008 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1009 | ||
0d2b6b83 JS |
1010 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1011 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1012 | spin_lock_irq(shost->host_lock); | |
1013 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1014 | spin_unlock_irq(shost->host_lock); | |
90160e01 | 1015 | if (vport->num_disc_nodes) |
0d2b6b83 | 1016 | lpfc_more_adisc(vport); |
0d2b6b83 JS |
1017 | } |
1018 | return ndlp->nlp_state; | |
1019 | } | |
5024ab17 | 1020 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1021 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
1022 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 1023 | |
c9f8735b | 1024 | return ndlp->nlp_state; |
dea3101e | 1025 | } |
1026 | ||
1027 | static uint32_t | |
2e0fef85 JS |
1028 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1029 | void *arg, uint32_t evt) | |
dea3101e | 1030 | { |
2e0fef85 | 1031 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1032 | |
2e0fef85 | 1033 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1034 | return ndlp->nlp_state; |
dea3101e | 1035 | } |
1036 | ||
1037 | static uint32_t | |
2e0fef85 JS |
1038 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1039 | void *arg, uint32_t evt) | |
dea3101e | 1040 | { |
2e0fef85 | 1041 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1042 | struct lpfc_iocbq *cmdiocb; |
1043 | ||
1044 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1045 | ||
1046 | /* software abort outstanding ADISC */ | |
07951076 | 1047 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1048 | |
2e0fef85 | 1049 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1050 | return ndlp->nlp_state; |
dea3101e | 1051 | } |
1052 | ||
1053 | static uint32_t | |
2e0fef85 JS |
1054 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1055 | struct lpfc_nodelist *ndlp, | |
1056 | void *arg, uint32_t evt) | |
dea3101e | 1057 | { |
1058 | struct lpfc_iocbq *cmdiocb; | |
1059 | ||
1060 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1061 | ||
2e0fef85 | 1062 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1063 | return ndlp->nlp_state; |
dea3101e | 1064 | } |
1065 | ||
1066 | static uint32_t | |
2e0fef85 JS |
1067 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1068 | void *arg, uint32_t evt) | |
dea3101e | 1069 | { |
1070 | struct lpfc_iocbq *cmdiocb; | |
1071 | ||
1072 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1073 | ||
1074 | /* Treat like rcv logo */ | |
2e0fef85 | 1075 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1076 | return ndlp->nlp_state; |
dea3101e | 1077 | } |
1078 | ||
1079 | static uint32_t | |
2e0fef85 JS |
1080 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1081 | struct lpfc_nodelist *ndlp, | |
1082 | void *arg, uint32_t evt) | |
dea3101e | 1083 | { |
2e0fef85 JS |
1084 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1085 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1086 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1087 | IOCB_t *irsp; | |
1088 | ADISC *ap; | |
6fb120a7 | 1089 | int rc; |
dea3101e | 1090 | |
1091 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1092 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1093 | ||
1094 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1095 | irsp = &rspiocb->iocb; | |
1096 | ||
1097 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1098 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e | 1099 | /* 1 sec timeout */ |
1100 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1101 | spin_lock_irq(shost->host_lock); |
dea3101e | 1102 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1103 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1104 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1105 | |
2e0fef85 JS |
1106 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1107 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1108 | |
5024ab17 | 1109 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1110 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1111 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1112 | return ndlp->nlp_state; |
dea3101e | 1113 | } |
5024ab17 | 1114 | |
6fb120a7 JS |
1115 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1116 | rc = lpfc_sli4_resume_rpi(ndlp); | |
1117 | if (rc) { | |
1118 | /* Stay in state and retry. */ | |
1119 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; | |
1120 | return ndlp->nlp_state; | |
1121 | } | |
1122 | } | |
1123 | ||
2501322e | 1124 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1125 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1126 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1127 | } else { |
5024ab17 | 1128 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1129 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1130 | } |
6fb120a7 | 1131 | |
c9f8735b | 1132 | return ndlp->nlp_state; |
dea3101e | 1133 | } |
1134 | ||
1135 | static uint32_t | |
2e0fef85 JS |
1136 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1137 | void *arg, uint32_t evt) | |
dea3101e | 1138 | { |
2e0fef85 JS |
1139 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1140 | ||
1141 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1142 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1143 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1144 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1145 | return ndlp->nlp_state; |
2e0fef85 | 1146 | } else { |
a0f9b48d | 1147 | /* software abort outstanding ADISC */ |
2e0fef85 | 1148 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1149 | |
2e0fef85 | 1150 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1151 | return NLP_STE_FREED_NODE; |
1152 | } | |
dea3101e | 1153 | } |
1154 | ||
1155 | static uint32_t | |
2e0fef85 JS |
1156 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1157 | struct lpfc_nodelist *ndlp, | |
1158 | void *arg, | |
1159 | uint32_t evt) | |
dea3101e | 1160 | { |
2e0fef85 JS |
1161 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1162 | struct lpfc_hba *phba = vport->phba; | |
1163 | ||
92d7f7b0 JS |
1164 | /* Don't do anything that will mess up processing of the |
1165 | * previous RSCN. | |
1166 | */ | |
1167 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1168 | return ndlp->nlp_state; | |
1169 | ||
dea3101e | 1170 | /* software abort outstanding ADISC */ |
07951076 | 1171 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1172 | |
5024ab17 | 1173 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1174 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1175 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1176 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1177 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1178 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1179 | return ndlp->nlp_state; |
dea3101e | 1180 | } |
1181 | ||
1182 | static uint32_t | |
2e0fef85 JS |
1183 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1184 | struct lpfc_nodelist *ndlp, | |
1185 | void *arg, | |
dea3101e | 1186 | uint32_t evt) |
1187 | { | |
2e0fef85 | 1188 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1189 | |
2e0fef85 | 1190 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1191 | return ndlp->nlp_state; |
dea3101e | 1192 | } |
1193 | ||
1194 | static uint32_t | |
2e0fef85 JS |
1195 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1196 | struct lpfc_nodelist *ndlp, | |
1197 | void *arg, | |
dea3101e | 1198 | uint32_t evt) |
1199 | { | |
2e0fef85 | 1200 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1201 | |
2e0fef85 | 1202 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1203 | return ndlp->nlp_state; |
dea3101e | 1204 | } |
1205 | ||
1206 | static uint32_t | |
2e0fef85 JS |
1207 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1208 | struct lpfc_nodelist *ndlp, | |
1209 | void *arg, | |
dea3101e | 1210 | uint32_t evt) |
1211 | { | |
2e0fef85 JS |
1212 | struct lpfc_hba *phba = vport->phba; |
1213 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1214 | LPFC_MBOXQ_t *mb; |
1215 | LPFC_MBOXQ_t *nextmb; | |
1216 | struct lpfc_dmabuf *mp; | |
dea3101e | 1217 | |
1218 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1219 | ||
7054a606 JS |
1220 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1221 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 1222 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1223 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
92d7f7b0 | 1224 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1225 | mb->context2 = NULL; |
1226 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1227 | } | |
1228 | } | |
1229 | ||
2e0fef85 | 1230 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1231 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 1232 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
7054a606 | 1233 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
5ffc266e JS |
1234 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1235 | spin_unlock_irq(&phba->hbalock); | |
1236 | lpfc_sli4_free_rpi(phba, | |
1237 | mb->u.mb.un.varRegLogin.rpi); | |
1238 | spin_lock_irq(&phba->hbalock); | |
1239 | } | |
7054a606 JS |
1240 | mp = (struct lpfc_dmabuf *) (mb->context1); |
1241 | if (mp) { | |
98c9ea5c | 1242 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1243 | kfree(mp); |
1244 | } | |
92d7f7b0 | 1245 | lpfc_nlp_put(ndlp); |
7054a606 | 1246 | list_del(&mb->list); |
5ffc266e | 1247 | phba->sli.mboxq_cnt--; |
7054a606 JS |
1248 | mempool_free(mb, phba->mbox_mem_pool); |
1249 | } | |
1250 | } | |
2e0fef85 | 1251 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1252 | |
2e0fef85 | 1253 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1254 | return ndlp->nlp_state; |
dea3101e | 1255 | } |
1256 | ||
1257 | static uint32_t | |
2e0fef85 JS |
1258 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1259 | struct lpfc_nodelist *ndlp, | |
1260 | void *arg, | |
dea3101e | 1261 | uint32_t evt) |
1262 | { | |
2e0fef85 | 1263 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1264 | |
2e0fef85 | 1265 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1266 | return ndlp->nlp_state; |
dea3101e | 1267 | } |
1268 | ||
1269 | static uint32_t | |
2e0fef85 JS |
1270 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1271 | struct lpfc_nodelist *ndlp, | |
1272 | void *arg, | |
dea3101e | 1273 | uint32_t evt) |
1274 | { | |
1275 | struct lpfc_iocbq *cmdiocb; | |
1276 | ||
1277 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1278 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1279 | return ndlp->nlp_state; |
dea3101e | 1280 | } |
1281 | ||
1282 | static uint32_t | |
2e0fef85 JS |
1283 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1284 | struct lpfc_nodelist *ndlp, | |
1285 | void *arg, | |
1286 | uint32_t evt) | |
dea3101e | 1287 | { |
2e0fef85 | 1288 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1289 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1290 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 1291 | uint32_t did = mb->un.varWords[1]; |
dea3101e | 1292 | |
dea3101e | 1293 | if (mb->mbxStatus) { |
1294 | /* RegLogin failed */ | |
e8b62011 JS |
1295 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1296 | "0246 RegLogin failed Data: x%x x%x x%x\n", | |
2e0fef85 | 1297 | did, mb->mbxStatus, vport->port_state); |
d0e56dad JS |
1298 | /* |
1299 | * If RegLogin failed due to lack of HBA resources do not | |
1300 | * retry discovery. | |
1301 | */ | |
1302 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1303 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1304 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1305 | return ndlp->nlp_state; |
1306 | } | |
1307 | ||
2e0fef85 | 1308 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1309 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1310 | spin_lock_irq(shost->host_lock); |
dea3101e | 1311 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1312 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1313 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1314 | |
2e0fef85 | 1315 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1316 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1317 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1318 | return ndlp->nlp_state; |
dea3101e | 1319 | } |
1320 | ||
dea3101e | 1321 | ndlp->nlp_rpi = mb->un.varWords[0]; |
6fb120a7 | 1322 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 1323 | |
1324 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1325 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1326 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1327 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1328 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1329 | } else { |
5024ab17 | 1330 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1331 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1332 | } |
c9f8735b | 1333 | return ndlp->nlp_state; |
dea3101e | 1334 | } |
1335 | ||
1336 | static uint32_t | |
2e0fef85 JS |
1337 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1338 | struct lpfc_nodelist *ndlp, | |
1339 | void *arg, | |
dea3101e | 1340 | uint32_t evt) |
1341 | { | |
2e0fef85 JS |
1342 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1343 | ||
1344 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1345 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1346 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1347 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1348 | return ndlp->nlp_state; |
2e0fef85 JS |
1349 | } else { |
1350 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1351 | return NLP_STE_FREED_NODE; |
1352 | } | |
dea3101e | 1353 | } |
1354 | ||
1355 | static uint32_t | |
2e0fef85 JS |
1356 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1357 | struct lpfc_nodelist *ndlp, | |
1358 | void *arg, | |
1359 | uint32_t evt) | |
dea3101e | 1360 | { |
2e0fef85 JS |
1361 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1362 | ||
92d7f7b0 JS |
1363 | /* Don't do anything that will mess up processing of the |
1364 | * previous RSCN. | |
1365 | */ | |
1366 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1367 | return ndlp->nlp_state; | |
1368 | ||
5024ab17 | 1369 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1370 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1371 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1372 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1373 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1374 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1375 | return ndlp->nlp_state; |
dea3101e | 1376 | } |
1377 | ||
1378 | static uint32_t | |
2e0fef85 JS |
1379 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1380 | void *arg, uint32_t evt) | |
dea3101e | 1381 | { |
1382 | struct lpfc_iocbq *cmdiocb; | |
1383 | ||
1384 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1385 | ||
2e0fef85 | 1386 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1387 | return ndlp->nlp_state; |
dea3101e | 1388 | } |
1389 | ||
1390 | static uint32_t | |
2e0fef85 JS |
1391 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1392 | void *arg, uint32_t evt) | |
dea3101e | 1393 | { |
2e0fef85 | 1394 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1395 | |
2e0fef85 | 1396 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1397 | return ndlp->nlp_state; |
dea3101e | 1398 | } |
1399 | ||
1400 | static uint32_t | |
2e0fef85 JS |
1401 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1402 | void *arg, uint32_t evt) | |
dea3101e | 1403 | { |
2e0fef85 | 1404 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1405 | |
1406 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1407 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1408 | |
2e0fef85 | 1409 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1410 | return ndlp->nlp_state; |
dea3101e | 1411 | } |
1412 | ||
1413 | static uint32_t | |
2e0fef85 JS |
1414 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1415 | void *arg, uint32_t evt) | |
dea3101e | 1416 | { |
2e0fef85 | 1417 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1418 | |
2e0fef85 | 1419 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1420 | return ndlp->nlp_state; |
dea3101e | 1421 | } |
1422 | ||
1423 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1424 | * we are logged into. We should send back a PRLO rsp setting the | |
1425 | * appropriate bits. | |
1426 | * NEXT STATE = PRLI_ISSUE | |
1427 | */ | |
1428 | static uint32_t | |
2e0fef85 JS |
1429 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1430 | void *arg, uint32_t evt) | |
dea3101e | 1431 | { |
2e0fef85 | 1432 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1433 | |
51ef4c26 | 1434 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1435 | return ndlp->nlp_state; |
dea3101e | 1436 | } |
1437 | ||
1438 | static uint32_t | |
2e0fef85 JS |
1439 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1440 | void *arg, uint32_t evt) | |
dea3101e | 1441 | { |
92d7f7b0 | 1442 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1443 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1444 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1445 | IOCB_t *irsp; |
1446 | PRLI *npr; | |
1447 | ||
1448 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1449 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1450 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1451 | ||
1452 | irsp = &rspiocb->iocb; | |
1453 | if (irsp->ulpStatus) { | |
858c9f6c | 1454 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1455 | vport->cfg_restrict_login) { |
858c9f6c JS |
1456 | goto out; |
1457 | } | |
5024ab17 | 1458 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1459 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1460 | return ndlp->nlp_state; |
dea3101e | 1461 | } |
1462 | ||
1463 | /* Check out PRLI rsp */ | |
1464 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1465 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1466 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1467 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1468 | if (npr->initiatorFunc) | |
1469 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1470 | if (npr->targetFunc) | |
1471 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1472 | if (npr->Retry) | |
1473 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1474 | } | |
92d7f7b0 JS |
1475 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1476 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1477 | vport->cfg_restrict_login) { |
858c9f6c | 1478 | out: |
92d7f7b0 JS |
1479 | spin_lock_irq(shost->host_lock); |
1480 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1481 | spin_unlock_irq(shost->host_lock); | |
1482 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1483 | ||
1484 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1485 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1486 | return ndlp->nlp_state; |
1487 | } | |
dea3101e | 1488 | |
5024ab17 | 1489 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1490 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1491 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1492 | else | |
1493 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1494 | return ndlp->nlp_state; |
dea3101e | 1495 | } |
1496 | ||
1497 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1498 | * |
1499 | * \pre | |
1500 | * \post | |
1501 | * \param phba | |
1502 | * \param ndlp | |
1503 | * \param arg | |
1504 | * \param evt | |
1505 | * \return uint32_t | |
1506 | * | |
1507 | * \b Description: | |
1508 | * This routine is envoked when we a request to remove a nport we are in the | |
1509 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1510 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1511 | * on plogi list so it can be freed when LOGO completes. | |
1512 | * | |
1513 | */ | |
1514 | ||
dea3101e | 1515 | static uint32_t |
2e0fef85 JS |
1516 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1517 | void *arg, uint32_t evt) | |
dea3101e | 1518 | { |
2e0fef85 JS |
1519 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1520 | ||
1521 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1522 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1523 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1524 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1525 | return ndlp->nlp_state; |
2e0fef85 | 1526 | } else { |
a0f9b48d | 1527 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1528 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1529 | |
2e0fef85 | 1530 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1531 | return NLP_STE_FREED_NODE; |
1532 | } | |
dea3101e | 1533 | } |
1534 | ||
1535 | ||
1536 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1537 | * |
1538 | * \pre | |
1539 | * \post | |
1540 | * \param phba | |
1541 | * \param ndlp | |
1542 | * \param arg | |
1543 | * \param evt | |
1544 | * \return uint32_t | |
1545 | * | |
1546 | * \b Description: | |
1547 | * The routine is envoked when the state of a device is unknown, like | |
1548 | * during a link down. We should remove the nodelist entry from the | |
1549 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1550 | * outstanding PRLI command, then free the node entry. | |
1551 | */ | |
dea3101e | 1552 | static uint32_t |
2e0fef85 JS |
1553 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1554 | struct lpfc_nodelist *ndlp, | |
1555 | void *arg, | |
1556 | uint32_t evt) | |
dea3101e | 1557 | { |
2e0fef85 JS |
1558 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1559 | struct lpfc_hba *phba = vport->phba; | |
1560 | ||
92d7f7b0 JS |
1561 | /* Don't do anything that will mess up processing of the |
1562 | * previous RSCN. | |
1563 | */ | |
1564 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1565 | return ndlp->nlp_state; | |
1566 | ||
dea3101e | 1567 | /* software abort outstanding PRLI */ |
07951076 | 1568 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1569 | |
5024ab17 | 1570 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1571 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1572 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1573 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1574 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1575 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1576 | return ndlp->nlp_state; |
dea3101e | 1577 | } |
1578 | ||
1579 | static uint32_t | |
2e0fef85 JS |
1580 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1581 | void *arg, uint32_t evt) | |
dea3101e | 1582 | { |
2e0fef85 | 1583 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1584 | |
2e0fef85 | 1585 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1586 | return ndlp->nlp_state; |
dea3101e | 1587 | } |
1588 | ||
1589 | static uint32_t | |
2e0fef85 JS |
1590 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1591 | void *arg, uint32_t evt) | |
dea3101e | 1592 | { |
2e0fef85 | 1593 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1594 | |
2e0fef85 JS |
1595 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1596 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1597 | return ndlp->nlp_state; |
dea3101e | 1598 | } |
1599 | ||
1600 | static uint32_t | |
2e0fef85 JS |
1601 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1602 | void *arg, uint32_t evt) | |
dea3101e | 1603 | { |
2e0fef85 | 1604 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1605 | |
2e0fef85 | 1606 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1607 | return ndlp->nlp_state; |
dea3101e | 1608 | } |
1609 | ||
1610 | static uint32_t | |
2e0fef85 JS |
1611 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1612 | void *arg, uint32_t evt) | |
dea3101e | 1613 | { |
2e0fef85 | 1614 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1615 | |
2e0fef85 | 1616 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1617 | return ndlp->nlp_state; |
dea3101e | 1618 | } |
1619 | ||
1620 | static uint32_t | |
2e0fef85 JS |
1621 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1622 | void *arg, uint32_t evt) | |
dea3101e | 1623 | { |
2e0fef85 | 1624 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1625 | |
51ef4c26 | 1626 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1627 | return ndlp->nlp_state; |
dea3101e | 1628 | } |
1629 | ||
1630 | static uint32_t | |
2e0fef85 JS |
1631 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1632 | struct lpfc_nodelist *ndlp, | |
1633 | void *arg, | |
1634 | uint32_t evt) | |
dea3101e | 1635 | { |
2e0fef85 JS |
1636 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1637 | ||
5024ab17 | 1638 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1639 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1640 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1641 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1642 | spin_unlock_irq(shost->host_lock); |
1643 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1644 | |
c9f8735b | 1645 | return ndlp->nlp_state; |
dea3101e | 1646 | } |
1647 | ||
1648 | static uint32_t | |
2e0fef85 JS |
1649 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1650 | void *arg, uint32_t evt) | |
dea3101e | 1651 | { |
2e0fef85 | 1652 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1653 | |
2e0fef85 | 1654 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1655 | return ndlp->nlp_state; |
dea3101e | 1656 | } |
1657 | ||
1658 | static uint32_t | |
2e0fef85 JS |
1659 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1660 | void *arg, uint32_t evt) | |
dea3101e | 1661 | { |
2e0fef85 | 1662 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1663 | |
2e0fef85 | 1664 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1665 | return ndlp->nlp_state; |
dea3101e | 1666 | } |
1667 | ||
1668 | static uint32_t | |
2e0fef85 JS |
1669 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1670 | void *arg, uint32_t evt) | |
dea3101e | 1671 | { |
2e0fef85 | 1672 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1673 | |
2e0fef85 | 1674 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1675 | return ndlp->nlp_state; |
dea3101e | 1676 | } |
1677 | ||
1678 | static uint32_t | |
2e0fef85 JS |
1679 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1680 | struct lpfc_nodelist *ndlp, | |
1681 | void *arg, uint32_t evt) | |
dea3101e | 1682 | { |
2e0fef85 | 1683 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1684 | |
2e0fef85 | 1685 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1686 | return ndlp->nlp_state; |
dea3101e | 1687 | } |
1688 | ||
1689 | static uint32_t | |
2e0fef85 JS |
1690 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1691 | void *arg, uint32_t evt) | |
dea3101e | 1692 | { |
2e0fef85 JS |
1693 | struct lpfc_hba *phba = vport->phba; |
1694 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1695 | |
1696 | /* flush the target */ | |
51ef4c26 JS |
1697 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
1698 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 1699 | |
1700 | /* Treat like rcv logo */ | |
2e0fef85 | 1701 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1702 | return ndlp->nlp_state; |
dea3101e | 1703 | } |
1704 | ||
1705 | static uint32_t | |
2e0fef85 JS |
1706 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1707 | struct lpfc_nodelist *ndlp, | |
1708 | void *arg, | |
1709 | uint32_t evt) | |
dea3101e | 1710 | { |
2e0fef85 JS |
1711 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1712 | ||
5024ab17 | 1713 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1714 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1715 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1716 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1717 | spin_unlock_irq(shost->host_lock); |
1718 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1719 | return ndlp->nlp_state; |
dea3101e | 1720 | } |
1721 | ||
1722 | static uint32_t | |
2e0fef85 JS |
1723 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1724 | void *arg, uint32_t evt) | |
dea3101e | 1725 | { |
2e0fef85 JS |
1726 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1727 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1728 | |
1729 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
0d2b6b83 | 1730 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) |
c9f8735b | 1731 | return ndlp->nlp_state; |
2e0fef85 | 1732 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
0d2b6b83 | 1733 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 1734 | spin_lock_irq(shost->host_lock); |
0d2b6b83 | 1735 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
2e0fef85 | 1736 | spin_unlock_irq(shost->host_lock); |
0d2b6b83 JS |
1737 | } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
1738 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1739 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1740 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
1741 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
1742 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
1743 | } | |
dea3101e | 1744 | } |
c9f8735b | 1745 | return ndlp->nlp_state; |
dea3101e | 1746 | } |
1747 | ||
1748 | static uint32_t | |
2e0fef85 JS |
1749 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1750 | void *arg, uint32_t evt) | |
dea3101e | 1751 | { |
2e0fef85 JS |
1752 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1753 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1754 | struct ls_rjt stat; | |
dea3101e | 1755 | |
1756 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1757 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1758 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1759 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 1760 | |
1761 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1762 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1763 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1764 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1765 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1766 | spin_unlock_irq(shost->host_lock); |
1767 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1768 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1769 | } else { |
5024ab17 | 1770 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1771 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1772 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1773 | } |
1774 | } | |
c9f8735b | 1775 | return ndlp->nlp_state; |
dea3101e | 1776 | } |
1777 | ||
1778 | static uint32_t | |
2e0fef85 JS |
1779 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1780 | void *arg, uint32_t evt) | |
dea3101e | 1781 | { |
2e0fef85 | 1782 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1783 | |
2e0fef85 | 1784 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1785 | return ndlp->nlp_state; |
dea3101e | 1786 | } |
1787 | ||
1788 | static uint32_t | |
2e0fef85 JS |
1789 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1790 | void *arg, uint32_t evt) | |
dea3101e | 1791 | { |
2e0fef85 | 1792 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1793 | |
2e0fef85 | 1794 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
33ccf8d1 JS |
1795 | /* |
1796 | * Do not start discovery if discovery is about to start | |
1797 | * or discovery in progress for this node. Starting discovery | |
1798 | * here will affect the counting of discovery threads. | |
1799 | */ | |
2fb9bd8b | 1800 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1801 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1802 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1803 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1804 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1805 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1806 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1807 | } else { |
5024ab17 | 1808 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1809 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1810 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1811 | } |
1812 | } | |
c9f8735b | 1813 | return ndlp->nlp_state; |
dea3101e | 1814 | } |
1815 | ||
1816 | static uint32_t | |
2e0fef85 JS |
1817 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1818 | void *arg, uint32_t evt) | |
dea3101e | 1819 | { |
2e0fef85 JS |
1820 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1821 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1822 | |
2e0fef85 | 1823 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1824 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1825 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1826 | |
51ef4c26 | 1827 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 1828 | |
2e0fef85 | 1829 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1830 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1831 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1832 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1833 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1834 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1835 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1836 | } else { |
2e0fef85 | 1837 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1838 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1839 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1840 | } |
c9f8735b JW |
1841 | return ndlp->nlp_state; |
1842 | } | |
dea3101e | 1843 | |
c9f8735b | 1844 | static uint32_t |
2e0fef85 JS |
1845 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1846 | void *arg, uint32_t evt) | |
c9f8735b JW |
1847 | { |
1848 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1849 | IOCB_t *irsp; |
c9f8735b JW |
1850 | |
1851 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1852 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1853 | |
1854 | irsp = &rspiocb->iocb; | |
1855 | if (irsp->ulpStatus) { | |
a8adb832 | 1856 | ndlp->nlp_flag |= NLP_DEFER_RM; |
a0f9b48d JS |
1857 | return NLP_STE_FREED_NODE; |
1858 | } | |
c9f8735b JW |
1859 | return ndlp->nlp_state; |
1860 | } | |
1861 | ||
1862 | static uint32_t | |
2e0fef85 JS |
1863 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1864 | void *arg, uint32_t evt) | |
c9f8735b JW |
1865 | { |
1866 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1867 | IOCB_t *irsp; |
c9f8735b JW |
1868 | |
1869 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1870 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1871 | |
1872 | irsp = &rspiocb->iocb; | |
1873 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1874 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1875 | return NLP_STE_FREED_NODE; |
1876 | } | |
c9f8735b | 1877 | return ndlp->nlp_state; |
dea3101e | 1878 | } |
1879 | ||
1880 | static uint32_t | |
2e0fef85 JS |
1881 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1882 | void *arg, uint32_t evt) | |
dea3101e | 1883 | { |
d7c255b2 JS |
1884 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1885 | if (ndlp->nlp_DID == Fabric_DID) { | |
1886 | spin_lock_irq(shost->host_lock); | |
1887 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1888 | spin_unlock_irq(shost->host_lock); | |
1889 | } | |
2e0fef85 | 1890 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
1891 | return ndlp->nlp_state; |
1892 | } | |
1893 | ||
1894 | static uint32_t | |
2e0fef85 JS |
1895 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1896 | void *arg, uint32_t evt) | |
c9f8735b JW |
1897 | { |
1898 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1899 | IOCB_t *irsp; |
c9f8735b JW |
1900 | |
1901 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1902 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1903 | |
1904 | irsp = &rspiocb->iocb; | |
1905 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1906 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1907 | return NLP_STE_FREED_NODE; |
1908 | } | |
c9f8735b | 1909 | return ndlp->nlp_state; |
dea3101e | 1910 | } |
1911 | ||
1912 | static uint32_t | |
2e0fef85 JS |
1913 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
1914 | struct lpfc_nodelist *ndlp, | |
1915 | void *arg, uint32_t evt) | |
dea3101e | 1916 | { |
2e0fef85 | 1917 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
04c68496 | 1918 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 1919 | |
04c68496 | 1920 | if (!mb->mbxStatus) { |
c9f8735b | 1921 | ndlp->nlp_rpi = mb->un.varWords[0]; |
04c68496 JS |
1922 | ndlp->nlp_flag |= NLP_RPI_VALID; |
1923 | } else { | |
a0f9b48d | 1924 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { |
2e0fef85 | 1925 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1926 | return NLP_STE_FREED_NODE; |
1927 | } | |
1928 | } | |
c9f8735b | 1929 | return ndlp->nlp_state; |
dea3101e | 1930 | } |
1931 | ||
1932 | static uint32_t | |
2e0fef85 JS |
1933 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1934 | void *arg, uint32_t evt) | |
dea3101e | 1935 | { |
2e0fef85 JS |
1936 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1937 | ||
a0f9b48d | 1938 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 1939 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1940 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1941 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
1942 | return ndlp->nlp_state; |
1943 | } | |
2e0fef85 | 1944 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 1945 | return NLP_STE_FREED_NODE; |
dea3101e | 1946 | } |
1947 | ||
1948 | static uint32_t | |
2e0fef85 JS |
1949 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1950 | void *arg, uint32_t evt) | |
dea3101e | 1951 | { |
2e0fef85 JS |
1952 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1953 | ||
92d7f7b0 JS |
1954 | /* Don't do anything that will mess up processing of the |
1955 | * previous RSCN. | |
1956 | */ | |
1957 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1958 | return ndlp->nlp_state; | |
1959 | ||
eaf15d5b | 1960 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
2e0fef85 | 1961 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1962 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1963 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1964 | return ndlp->nlp_state; |
dea3101e | 1965 | } |
1966 | ||
1967 | ||
1968 | /* This next section defines the NPort Discovery State Machine */ | |
1969 | ||
1970 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1971 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1972 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1973 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1974 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1975 | * The unmapped_list will contain all nodes that we have successfully logged | |
1976 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1977 | * that are mapped FCP targets. | |
1978 | */ | |
1979 | /* | |
1980 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1981 | * that we have saved binding information on. This information is used when | |
1982 | * nodes transition from the unmapped to the mapped list. | |
1983 | */ | |
1984 | /* For UNUSED_NODE state, the node has just been allocated . | |
1985 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1986 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1987 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1988 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1989 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1990 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1991 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1992 | * node, the node is taken off the unmapped list. The binding list is checked | |
1993 | * for a valid binding, or a binding is automatically assigned. If binding | |
1994 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1995 | * binding assignment is successful, the associated binding list entry (if | |
1996 | * any) is removed, and the node is placed on the mapped list. | |
1997 | */ | |
1998 | /* | |
1999 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 2000 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e | 2001 | * expire, all effected nodes will receive a DEVICE_RM event. |
2002 | */ | |
2003 | /* | |
2004 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
2005 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
2006 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
2007 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
2008 | * we will first process the ADISC list. 32 entries are processed initially and | |
2009 | * ADISC is initited for each one. Completions / Events for each node are | |
2010 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
2011 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
2012 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
2013 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
2014 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
2015 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
2016 | * Completions / Events for each node are funnelled thru the state machine. As | |
2017 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
2018 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
2019 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
2020 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
2021 | * unmapped lists. | |
2022 | */ | |
2023 | ||
2024 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 2025 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e | 2026 | /* Action routine Event Current State */ |
2027 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
2028 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
2029 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
2030 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
2031 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
2032 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
2033 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2034 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2035 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
2036 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2037 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2038 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
2039 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
2040 | ||
2041 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 2042 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 2043 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e | 2044 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
2045 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
2046 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
2047 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
2048 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
0ff10d46 | 2049 | lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ |
dea3101e | 2050 | lpfc_disc_illegal, /* CMPL_ADISC */ |
0ff10d46 | 2051 | lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ |
dea3101e | 2052 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
2053 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
2054 | ||
2055 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
2056 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
2057 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
2058 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
2059 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
2060 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
2061 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2062 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2063 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2064 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2065 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2066 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2067 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2068 | ||
2069 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2070 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2071 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2072 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2073 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2074 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2075 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2076 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2077 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2078 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2079 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2080 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2081 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2082 | ||
2083 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2084 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2085 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2086 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2087 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2088 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2089 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e | 2090 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2091 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2092 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2093 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2094 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2095 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2096 | ||
2097 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2098 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2099 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2100 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2101 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2102 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2103 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2104 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2105 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2106 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2107 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2108 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2109 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2110 | ||
2111 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2112 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2113 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2114 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2115 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2116 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2117 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2118 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2119 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2120 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2121 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2122 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2123 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2124 | ||
2125 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2126 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2127 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2128 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2129 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2130 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2131 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2132 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2133 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2134 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e | 2135 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2136 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2137 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2138 | }; | |
2139 | ||
2140 | int | |
2e0fef85 JS |
2141 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2142 | void *arg, uint32_t evt) | |
dea3101e | 2143 | { |
2144 | uint32_t cur_state, rc; | |
2e0fef85 | 2145 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e | 2146 | uint32_t); |
e47c9093 JS |
2147 | uint32_t got_ndlp = 0; |
2148 | ||
2149 | if (lpfc_nlp_get(ndlp)) | |
2150 | got_ndlp = 1; | |
dea3101e | 2151 | |
dea3101e | 2152 | cur_state = ndlp->nlp_state; |
2153 | ||
2154 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2155 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2156 | "0211 DSM in event x%x on NPort x%x in " | |
2157 | "state %d Data: x%x\n", | |
2158 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2159 | |
858c9f6c JS |
2160 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2161 | "DSM in: evt:%d ste:%d did:x%x", | |
2162 | evt, cur_state, ndlp->nlp_DID); | |
2163 | ||
dea3101e | 2164 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2165 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e | 2166 | |
2167 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e47c9093 JS |
2168 | if (got_ndlp) { |
2169 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
2170 | "0212 DSM out state %d on NPort x%x Data: x%x\n", |
2171 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2172 | |
e47c9093 JS |
2173 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2174 | "DSM out: ste:%d did:x%x flg:x%x", | |
2175 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2176 | /* Decrement the ndlp reference count held for this function */ | |
2177 | lpfc_nlp_put(ndlp); | |
2178 | } else { | |
2179 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
d7c255b2 | 2180 | "0213 DSM out state %d on NPort free\n", rc); |
858c9f6c | 2181 | |
e47c9093 JS |
2182 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2183 | "DSM out: ste:%d did:x%x flg:x%x", | |
2184 | rc, 0, 0); | |
2185 | } | |
dea3101e | 2186 | |
c9f8735b | 2187 | return rc; |
dea3101e | 2188 | } |