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