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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. * |
9413afff | 4 | * Copyright (C) 2004-2007 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> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e JB |
27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
92d7f7b0 | 38 | #include "lpfc_vport.h" |
858c9f6c | 39 | #include "lpfc_debugfs.h" |
dea3101e JB |
40 | |
41 | ||
42 | /* Called to verify a rcv'ed ADISC was intended for us. */ | |
43 | static int | |
2e0fef85 JS |
44 | lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
45 | struct lpfc_name *nn, struct lpfc_name *pn) | |
dea3101e JB |
46 | { |
47 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node | |
48 | * table entry for that node. | |
49 | */ | |
2e0fef85 | 50 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) |
c9f8735b | 51 | return 0; |
dea3101e | 52 | |
2e0fef85 | 53 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) |
c9f8735b | 54 | return 0; |
dea3101e JB |
55 | |
56 | /* we match, return success */ | |
c9f8735b | 57 | return 1; |
dea3101e JB |
58 | } |
59 | ||
dea3101e | 60 | int |
2e0fef85 JS |
61 | lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
62 | struct serv_parm * sp, uint32_t class) | |
dea3101e | 63 | { |
2e0fef85 | 64 | volatile struct serv_parm *hsp = &vport->fc_sparam; |
2fb70f79 JSEC |
65 | uint16_t hsp_value, ssp_value = 0; |
66 | ||
67 | /* | |
68 | * The receive data field size and buffer-to-buffer receive data field | |
69 | * size entries are 16 bits but are represented as two 8-bit fields in | |
70 | * the driver data structure to account for rsvd bits and other control | |
71 | * bits. Reconstruct and compare the fields as a 16-bit values before | |
72 | * correcting the byte values. | |
73 | */ | |
dea3101e | 74 | if (sp->cls1.classValid) { |
2fb70f79 JSEC |
75 | hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | |
76 | hsp->cls1.rcvDataSizeLsb; | |
77 | ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | | |
78 | sp->cls1.rcvDataSizeLsb; | |
92d7f7b0 JS |
79 | if (!ssp_value) |
80 | goto bad_service_param; | |
2fb70f79 | 81 | if (ssp_value > hsp_value) { |
dea3101e | 82 | sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; |
2fb70f79 JSEC |
83 | sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; |
84 | } | |
dea3101e | 85 | } else if (class == CLASS1) { |
92d7f7b0 | 86 | goto bad_service_param; |
dea3101e JB |
87 | } |
88 | ||
89 | if (sp->cls2.classValid) { | |
2fb70f79 JSEC |
90 | hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | |
91 | hsp->cls2.rcvDataSizeLsb; | |
92 | ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | | |
93 | sp->cls2.rcvDataSizeLsb; | |
92d7f7b0 JS |
94 | if (!ssp_value) |
95 | goto bad_service_param; | |
2fb70f79 | 96 | if (ssp_value > hsp_value) { |
dea3101e | 97 | sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; |
2fb70f79 JSEC |
98 | sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; |
99 | } | |
dea3101e | 100 | } else if (class == CLASS2) { |
92d7f7b0 | 101 | goto bad_service_param; |
dea3101e JB |
102 | } |
103 | ||
104 | if (sp->cls3.classValid) { | |
2fb70f79 JSEC |
105 | hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | |
106 | hsp->cls3.rcvDataSizeLsb; | |
107 | ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | | |
108 | sp->cls3.rcvDataSizeLsb; | |
92d7f7b0 JS |
109 | if (!ssp_value) |
110 | goto bad_service_param; | |
2fb70f79 | 111 | if (ssp_value > hsp_value) { |
dea3101e | 112 | sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; |
2fb70f79 JSEC |
113 | sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; |
114 | } | |
dea3101e | 115 | } else if (class == CLASS3) { |
92d7f7b0 | 116 | goto bad_service_param; |
dea3101e JB |
117 | } |
118 | ||
2fb70f79 JSEC |
119 | /* |
120 | * Preserve the upper four bits of the MSB from the PLOGI response. | |
121 | * These bits contain the Buffer-to-Buffer State Change Number | |
122 | * from the target and need to be passed to the FW. | |
123 | */ | |
124 | hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; | |
125 | ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; | |
126 | if (ssp_value > hsp_value) { | |
dea3101e | 127 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
2fb70f79 JSEC |
128 | sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | |
129 | (hsp->cmn.bbRcvSizeMsb & 0x0F); | |
130 | } | |
dea3101e | 131 | |
dea3101e JB |
132 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
133 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); | |
2fb70f79 | 134 | return 1; |
92d7f7b0 JS |
135 | bad_service_param: |
136 | lpfc_printf_log(vport->phba, KERN_ERR, LOG_DISCOVERY, | |
137 | "%d (%d):0207 Device %x " | |
138 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
139 | "invalid service parameters. Ignoring device.\n", | |
140 | vport->phba->brd_no, ndlp->vport->vpi, ndlp->nlp_DID, | |
141 | sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], | |
142 | sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], | |
143 | sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], | |
144 | sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); | |
145 | return 0; | |
dea3101e JB |
146 | } |
147 | ||
148 | static void * | |
2e0fef85 | 149 | lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
92d7f7b0 | 150 | struct lpfc_iocbq *rspiocb) |
dea3101e JB |
151 | { |
152 | struct lpfc_dmabuf *pcmd, *prsp; | |
153 | uint32_t *lp; | |
154 | void *ptr = NULL; | |
155 | IOCB_t *irsp; | |
156 | ||
157 | irsp = &rspiocb->iocb; | |
158 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
159 | ||
160 | /* For lpfc_els_abort, context2 could be zero'ed to delay | |
161 | * freeing associated memory till after ABTS completes. | |
162 | */ | |
163 | if (pcmd) { | |
164 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, | |
165 | list); | |
166 | if (prsp) { | |
167 | lp = (uint32_t *) prsp->virt; | |
168 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); | |
169 | } | |
2fe165b6 | 170 | } else { |
dea3101e JB |
171 | /* Force ulpStatus error since we are returning NULL ptr */ |
172 | if (!(irsp->ulpStatus)) { | |
173 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; | |
174 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
175 | } | |
176 | ptr = NULL; | |
177 | } | |
c9f8735b | 178 | return ptr; |
dea3101e JB |
179 | } |
180 | ||
181 | ||
182 | /* | |
183 | * Free resources / clean up outstanding I/Os | |
184 | * associated with a LPFC_NODELIST entry. This | |
185 | * routine effectively results in a "software abort". | |
186 | */ | |
187 | int | |
2e0fef85 | 188 | lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 189 | { |
2534ba75 | 190 | LIST_HEAD(completions); |
2e0fef85 JS |
191 | struct lpfc_sli *psli = &phba->sli; |
192 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 193 | struct lpfc_iocbq *iocb, *next_iocb; |
2534ba75 | 194 | IOCB_t *cmd; |
dea3101e JB |
195 | |
196 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
197 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
92d7f7b0 | 198 | "%d (%d):0205 Abort outstanding I/O on NPort x%x " |
dea3101e | 199 | "Data: x%x x%x x%x\n", |
92d7f7b0 JS |
200 | phba->brd_no, ndlp->vport->vpi, ndlp->nlp_DID, |
201 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
202 | ||
203 | lpfc_fabric_abort_nport(ndlp); | |
dea3101e | 204 | |
dea3101e | 205 | /* First check the txq */ |
2e0fef85 | 206 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 207 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
858c9f6c | 208 | /* Check to see if iocb matches the nport we are looking for */ |
2534ba75 | 209 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
858c9f6c | 210 | /* It matches, so deque and call compl with anp error */ |
2534ba75 JS |
211 | list_move_tail(&iocb->list, &completions); |
212 | pring->txq_cnt--; | |
dea3101e | 213 | } |
2534ba75 | 214 | } |
dea3101e | 215 | |
dea3101e | 216 | /* Next check the txcmplq */ |
07951076 | 217 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
858c9f6c | 218 | /* Check to see if iocb matches the nport we are looking for */ |
92d7f7b0 | 219 | if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { |
07951076 | 220 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 221 | } |
07951076 | 222 | } |
2e0fef85 | 223 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 224 | |
2534ba75 JS |
225 | while (!list_empty(&completions)) { |
226 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
227 | cmd = &iocb->iocb; | |
92d7f7b0 | 228 | list_del_init(&iocb->list); |
2534ba75 | 229 | |
2e0fef85 JS |
230 | if (!iocb->iocb_cmpl) |
231 | lpfc_sli_release_iocbq(phba, iocb); | |
232 | else { | |
2534ba75 JS |
233 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
234 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
235 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 236 | } |
2534ba75 JS |
237 | } |
238 | ||
dea3101e | 239 | /* If we are delaying issuing an ELS command, cancel it */ |
fdcebe28 | 240 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 241 | lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); |
c9f8735b | 242 | return 0; |
dea3101e JB |
243 | } |
244 | ||
245 | static int | |
2e0fef85 | 246 | lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
92d7f7b0 | 247 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 248 | { |
2e0fef85 JS |
249 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
250 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
251 | struct lpfc_dmabuf *pcmd; |
252 | uint32_t *lp; | |
253 | IOCB_t *icmd; | |
254 | struct serv_parm *sp; | |
255 | LPFC_MBOXQ_t *mbox; | |
256 | struct ls_rjt stat; | |
257 | int rc; | |
258 | ||
259 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
2e0fef85 | 260 | if (vport->port_state <= LPFC_FLOGI) { |
dea3101e JB |
261 | /* Before responding to PLOGI, check for pt2pt mode. |
262 | * If we are pt2pt, with an outstanding FLOGI, abort | |
263 | * the FLOGI and resend it first. | |
264 | */ | |
2e0fef85 | 265 | if (vport->fc_flag & FC_PT2PT) { |
92d7f7b0 | 266 | lpfc_els_abort_flogi(phba); |
2e0fef85 | 267 | if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { |
dea3101e JB |
268 | /* If the other side is supposed to initiate |
269 | * the PLOGI anyway, just ACC it now and | |
270 | * move on with discovery. | |
271 | */ | |
272 | phba->fc_edtov = FF_DEF_EDTOV; | |
273 | phba->fc_ratov = FF_DEF_RATOV; | |
274 | /* Start discovery - this should just do | |
275 | CLEAR_LA */ | |
2e0fef85 | 276 | lpfc_disc_start(vport); |
ed957684 | 277 | } else |
2e0fef85 | 278 | lpfc_initial_flogi(vport); |
2fe165b6 | 279 | } else { |
dea3101e JB |
280 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
281 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
2e0fef85 | 282 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, |
858c9f6c | 283 | ndlp, NULL); |
dea3101e JB |
284 | return 0; |
285 | } | |
286 | } | |
287 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
288 | lp = (uint32_t *) pcmd->virt; | |
289 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
2e0fef85 | 290 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) { |
dea3101e JB |
291 | /* Reject this request because invalid parameters */ |
292 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
293 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
858c9f6c JS |
294 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
295 | NULL); | |
c9f8735b | 296 | return 0; |
dea3101e JB |
297 | } |
298 | icmd = &cmdiocb->iocb; | |
299 | ||
300 | /* PLOGI chkparm OK */ | |
ed957684 | 301 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
92d7f7b0 JS |
302 | "%d (%d):0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", |
303 | phba->brd_no, vport->vpi, | |
dea3101e JB |
304 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, |
305 | ndlp->nlp_rpi); | |
306 | ||
ed957684 | 307 | if (phba->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 308 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 309 | else |
dea3101e | 310 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 311 | |
dea3101e JB |
312 | ndlp->nlp_class_sup = 0; |
313 | if (sp->cls1.classValid) | |
314 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
315 | if (sp->cls2.classValid) | |
316 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
317 | if (sp->cls3.classValid) | |
318 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
319 | if (sp->cls4.classValid) | |
320 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
321 | ndlp->nlp_maxframe = | |
322 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
323 | ||
324 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 325 | switch (ndlp->nlp_state) { |
dea3101e JB |
326 | case NLP_STE_NPR_NODE: |
327 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
328 | break; | |
329 | case NLP_STE_REG_LOGIN_ISSUE: | |
330 | case NLP_STE_PRLI_ISSUE: | |
331 | case NLP_STE_UNMAPPED_NODE: | |
332 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 333 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 334 | return 1; |
dea3101e JB |
335 | } |
336 | ||
92d7f7b0 JS |
337 | if ((vport->fc_flag & FC_PT2PT) && |
338 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 339 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 340 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e JB |
341 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
342 | if (mbox == NULL) | |
343 | goto out; | |
344 | lpfc_config_link(phba, mbox); | |
345 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 346 | mbox->vport = vport; |
dea3101e JB |
347 | rc = lpfc_sli_issue_mbox |
348 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
349 | if (rc == MBX_NOT_FINISHED) { | |
92d7f7b0 | 350 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
351 | goto out; |
352 | } | |
353 | ||
2e0fef85 | 354 | lpfc_can_disctmo(vport); |
dea3101e JB |
355 | } |
356 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 357 | if (!mbox) |
dea3101e JB |
358 | goto out; |
359 | ||
92d7f7b0 JS |
360 | rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, |
361 | (uint8_t *) sp, mbox, 0); | |
2e0fef85 JS |
362 | if (rc) { |
363 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
364 | goto out; |
365 | } | |
366 | ||
367 | /* ACC PLOGI rsp command needs to execute first, | |
368 | * queue this mbox command to be processed later. | |
369 | */ | |
370 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
371 | /* |
372 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
373 | * command issued in lpfc_cmpl_els_acc(). | |
374 | */ | |
2e0fef85 JS |
375 | mbox->vport = vport; |
376 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 377 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 378 | spin_unlock_irq(shost->host_lock); |
dea3101e | 379 | |
33ccf8d1 JS |
380 | /* |
381 | * If there is an outstanding PLOGI issued, abort it before | |
382 | * sending ACC rsp for received PLOGI. If pending plogi | |
383 | * is not canceled here, the plogi will be rejected by | |
384 | * remote port and will be retried. On a configuration with | |
385 | * single discovery thread, this will cause a huge delay in | |
386 | * discovery. Also this will cause multiple state machines | |
387 | * running in parallel for this node. | |
388 | */ | |
389 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
390 | /* software abort outstanding PLOGI */ | |
07951076 | 391 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
392 | } |
393 | ||
858c9f6c JS |
394 | if ((vport->port_type == LPFC_NPIV_PORT && |
395 | phba->cfg_vport_restrict_login)) { | |
396 | ||
397 | /* In order to preserve RPIs, we want to cleanup | |
398 | * the default RPI the firmware created to rcv | |
399 | * this ELS request. The only way to do this is | |
400 | * to register, then unregister the RPI. | |
401 | */ | |
402 | spin_lock_irq(shost->host_lock); | |
403 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
404 | spin_unlock_irq(shost->host_lock); | |
405 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
406 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
407 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
408 | ndlp, mbox); | |
409 | return 1; | |
410 | } | |
2e0fef85 | 411 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); |
c9f8735b | 412 | return 1; |
dea3101e JB |
413 | |
414 | out: | |
415 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
416 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 417 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 418 | return 0; |
dea3101e JB |
419 | } |
420 | ||
421 | static int | |
2e0fef85 | 422 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
423 | struct lpfc_iocbq *cmdiocb) |
424 | { | |
2e0fef85 | 425 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 426 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
427 | struct serv_parm *sp; |
428 | struct lpfc_name *pnn, *ppn; | |
dea3101e JB |
429 | struct ls_rjt stat; |
430 | ADISC *ap; | |
431 | IOCB_t *icmd; | |
432 | uint32_t *lp; | |
433 | uint32_t cmd; | |
434 | ||
435 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
436 | lp = (uint32_t *) pcmd->virt; | |
437 | ||
438 | cmd = *lp++; | |
439 | if (cmd == ELS_CMD_ADISC) { | |
440 | ap = (ADISC *) lp; | |
441 | pnn = (struct lpfc_name *) & ap->nodeName; | |
442 | ppn = (struct lpfc_name *) & ap->portName; | |
443 | } else { | |
444 | sp = (struct serv_parm *) lp; | |
445 | pnn = (struct lpfc_name *) & sp->nodeName; | |
446 | ppn = (struct lpfc_name *) & sp->portName; | |
447 | } | |
448 | ||
449 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 450 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 451 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 452 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 453 | } else { |
2e0fef85 | 454 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
92d7f7b0 | 455 | NULL, 0); |
dea3101e | 456 | } |
c9f8735b | 457 | return 1; |
dea3101e JB |
458 | } |
459 | /* Reject this request because invalid parameters */ | |
460 | stat.un.b.lsRjtRsvd0 = 0; | |
461 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
462 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
463 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 464 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 465 | |
dea3101e JB |
466 | /* 1 sec timeout */ |
467 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
468 | ||
2e0fef85 | 469 | spin_lock_irq(shost->host_lock); |
dea3101e | 470 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 471 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
472 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
473 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 474 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 475 | return 0; |
dea3101e JB |
476 | } |
477 | ||
478 | static int | |
2e0fef85 JS |
479 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
480 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 481 | { |
2e0fef85 JS |
482 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
483 | ||
484 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e JB |
485 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
486 | * PLOGIs during LOGO storms from a device. | |
487 | */ | |
2e0fef85 | 488 | spin_lock_irq(shost->host_lock); |
dea3101e | 489 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 490 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 491 | if (els_cmd == ELS_CMD_PRLO) |
2e0fef85 | 492 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
82d9a2a2 | 493 | else |
2e0fef85 | 494 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
dea3101e | 495 | |
c9f8735b | 496 | if (!(ndlp->nlp_type & NLP_FABRIC) || |
92d7f7b0 | 497 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { |
dea3101e | 498 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 499 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 500 | spin_lock_irq(shost->host_lock); |
dea3101e | 501 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 502 | spin_unlock_irq(shost->host_lock); |
dea3101e | 503 | |
5024ab17 JW |
504 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
505 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 506 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 507 | } else { |
5024ab17 | 508 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 509 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
c9f8735b | 510 | } |
dea3101e | 511 | |
2e0fef85 | 512 | spin_lock_irq(shost->host_lock); |
dea3101e | 513 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 514 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
515 | /* The driver has to wait until the ACC completes before it continues |
516 | * processing the LOGO. The action will resume in | |
517 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
518 | * unreg_login, the driver waits so the ACC does not get aborted. | |
519 | */ | |
c9f8735b | 520 | return 0; |
dea3101e JB |
521 | } |
522 | ||
523 | static void | |
2e0fef85 JS |
524 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
525 | struct lpfc_iocbq *cmdiocb) | |
dea3101e JB |
526 | { |
527 | struct lpfc_dmabuf *pcmd; | |
528 | uint32_t *lp; | |
529 | PRLI *npr; | |
530 | struct fc_rport *rport = ndlp->rport; | |
531 | u32 roles; | |
532 | ||
533 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
534 | lp = (uint32_t *) pcmd->virt; | |
535 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
536 | ||
537 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
538 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 539 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e JB |
540 | if (npr->initiatorFunc) |
541 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
542 | if (npr->targetFunc) | |
543 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
544 | if (npr->Retry) | |
545 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
546 | } | |
547 | if (rport) { | |
548 | /* We need to update the rport role values */ | |
549 | roles = FC_RPORT_ROLE_UNKNOWN; | |
550 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
551 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
552 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
553 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
554 | |
555 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
556 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
557 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
558 | ||
dea3101e JB |
559 | fc_remote_port_rolechg(rport, roles); |
560 | } | |
561 | } | |
562 | ||
563 | static uint32_t | |
2e0fef85 | 564 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 565 | { |
2e0fef85 JS |
566 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
567 | struct lpfc_hba *phba = vport->phba; | |
568 | ||
dea3101e | 569 | /* Check config parameter use-adisc or FCP-2 */ |
92d7f7b0 JS |
570 | if ((phba->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || |
571 | ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { | |
572 | spin_lock_irq(shost->host_lock); | |
573 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
574 | spin_unlock_irq(shost->host_lock); | |
575 | return 1; | |
576 | } | |
577 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
578 | lpfc_unreg_rpi(vport, ndlp); | |
579 | return 0; | |
dea3101e JB |
580 | } |
581 | ||
582 | static uint32_t | |
2e0fef85 JS |
583 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
584 | void *arg, uint32_t evt) | |
dea3101e | 585 | { |
ed957684 | 586 | lpfc_printf_log(vport->phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
587 | "%d (%d):0253 Illegal State Transition: node x%x " |
588 | "event x%x, state x%x Data: x%x x%x\n", | |
589 | vport->phba->brd_no, vport->vpi, | |
dea3101e JB |
590 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, |
591 | ndlp->nlp_flag); | |
c9f8735b | 592 | return ndlp->nlp_state; |
dea3101e JB |
593 | } |
594 | ||
595 | /* Start of Discovery State Machine routines */ | |
596 | ||
597 | static uint32_t | |
2e0fef85 JS |
598 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
599 | void *arg, uint32_t evt) | |
dea3101e JB |
600 | { |
601 | struct lpfc_iocbq *cmdiocb; | |
602 | ||
603 | cmdiocb = (struct lpfc_iocbq *) arg; | |
604 | ||
2e0fef85 | 605 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
5024ab17 | 606 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; |
2e0fef85 | 607 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
c9f8735b | 608 | return ndlp->nlp_state; |
dea3101e | 609 | } |
2e0fef85 | 610 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 611 | return NLP_STE_FREED_NODE; |
dea3101e JB |
612 | } |
613 | ||
614 | static uint32_t | |
2e0fef85 JS |
615 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
616 | void *arg, uint32_t evt) | |
dea3101e | 617 | { |
2e0fef85 JS |
618 | lpfc_issue_els_logo(vport, ndlp, 0); |
619 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); | |
c9f8735b | 620 | return ndlp->nlp_state; |
dea3101e JB |
621 | } |
622 | ||
623 | static uint32_t | |
2e0fef85 JS |
624 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
625 | void *arg, uint32_t evt) | |
dea3101e | 626 | { |
2e0fef85 JS |
627 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
628 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 629 | |
2e0fef85 | 630 | spin_lock_irq(shost->host_lock); |
dea3101e | 631 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 JS |
632 | spin_unlock_irq(shost->host_lock); |
633 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); | |
634 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); | |
dea3101e | 635 | |
c9f8735b | 636 | return ndlp->nlp_state; |
dea3101e JB |
637 | } |
638 | ||
639 | static uint32_t | |
2e0fef85 JS |
640 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
641 | void *arg, uint32_t evt) | |
dea3101e | 642 | { |
2e0fef85 | 643 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 644 | return NLP_STE_FREED_NODE; |
dea3101e JB |
645 | } |
646 | ||
647 | static uint32_t | |
2e0fef85 JS |
648 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
649 | void *arg, uint32_t evt) | |
dea3101e | 650 | { |
2e0fef85 | 651 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 652 | return NLP_STE_FREED_NODE; |
dea3101e JB |
653 | } |
654 | ||
655 | static uint32_t | |
2e0fef85 | 656 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
657 | void *arg, uint32_t evt) |
658 | { | |
2e0fef85 | 659 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 660 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
661 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
662 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
663 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e JB |
664 | struct ls_rjt stat; |
665 | int port_cmp; | |
666 | ||
dea3101e JB |
667 | memset(&stat, 0, sizeof (struct ls_rjt)); |
668 | ||
669 | /* For a PLOGI, we only accept if our portname is less | |
670 | * than the remote portname. | |
671 | */ | |
672 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 673 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 674 | sizeof(struct lpfc_name)); |
dea3101e JB |
675 | |
676 | if (port_cmp >= 0) { | |
677 | /* Reject this request because the remote node will accept | |
678 | ours */ | |
679 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
680 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
681 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
682 | NULL); | |
2fe165b6 | 683 | } else { |
2e0fef85 JS |
684 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
685 | } /* If our portname was less */ | |
dea3101e | 686 | |
c9f8735b JW |
687 | return ndlp->nlp_state; |
688 | } | |
689 | ||
92d7f7b0 JS |
690 | static uint32_t |
691 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
692 | void *arg, uint32_t evt) | |
693 | { | |
694 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
695 | struct ls_rjt stat; | |
696 | ||
697 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
698 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
699 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 700 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
701 | return ndlp->nlp_state; |
702 | } | |
703 | ||
c9f8735b | 704 | static uint32_t |
2e0fef85 JS |
705 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
706 | void *arg, uint32_t evt) | |
c9f8735b | 707 | { |
2e0fef85 | 708 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 709 | |
92d7f7b0 | 710 | /* software abort outstanding PLOGI */ |
2e0fef85 | 711 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 712 | |
2e0fef85 | 713 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 714 | return ndlp->nlp_state; |
dea3101e JB |
715 | } |
716 | ||
717 | static uint32_t | |
2e0fef85 JS |
718 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
719 | void *arg, uint32_t evt) | |
dea3101e | 720 | { |
2e0fef85 JS |
721 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
722 | struct lpfc_hba *phba = vport->phba; | |
723 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
724 | |
725 | /* software abort outstanding PLOGI */ | |
07951076 | 726 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
727 | |
728 | if (evt == NLP_EVT_RCV_LOGO) { | |
2e0fef85 | 729 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
2fe165b6 | 730 | } else { |
2e0fef85 | 731 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e JB |
732 | } |
733 | ||
2e0fef85 | 734 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 735 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 736 | spin_lock_irq(shost->host_lock); |
5024ab17 | 737 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 738 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
739 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
740 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 741 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 742 | |
c9f8735b | 743 | return ndlp->nlp_state; |
dea3101e JB |
744 | } |
745 | ||
746 | static uint32_t | |
2e0fef85 JS |
747 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
748 | struct lpfc_nodelist *ndlp, | |
749 | void *arg, | |
dea3101e JB |
750 | uint32_t evt) |
751 | { | |
2e0fef85 JS |
752 | struct lpfc_hba *phba = vport->phba; |
753 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
14691150 | 754 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e JB |
755 | uint32_t *lp; |
756 | IOCB_t *irsp; | |
757 | struct serv_parm *sp; | |
758 | LPFC_MBOXQ_t *mbox; | |
759 | ||
760 | cmdiocb = (struct lpfc_iocbq *) arg; | |
761 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
762 | ||
763 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 764 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 765 | return ndlp->nlp_state; |
dea3101e JB |
766 | } |
767 | ||
768 | irsp = &rspiocb->iocb; | |
769 | ||
770 | if (irsp->ulpStatus) | |
771 | goto out; | |
772 | ||
773 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
774 | ||
2e0fef85 | 775 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 776 | |
2e0fef85 | 777 | lp = (uint32_t *) prsp->virt; |
dea3101e | 778 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
2e0fef85 | 779 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) |
dea3101e JB |
780 | goto out; |
781 | ||
782 | /* PLOGI chkparm OK */ | |
ed957684 | 783 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
92d7f7b0 | 784 | "%d (%d):0121 PLOGI chkparm OK " |
dea3101e | 785 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 | 786 | phba->brd_no, vport->vpi, |
dea3101e JB |
787 | ndlp->nlp_DID, ndlp->nlp_state, |
788 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
789 | ||
2e0fef85 | 790 | if (phba->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 791 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 792 | else |
dea3101e | 793 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 794 | |
dea3101e JB |
795 | ndlp->nlp_class_sup = 0; |
796 | if (sp->cls1.classValid) | |
797 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
798 | if (sp->cls2.classValid) | |
799 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
800 | if (sp->cls3.classValid) | |
801 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
802 | if (sp->cls4.classValid) | |
803 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
804 | ndlp->nlp_maxframe = | |
2e0fef85 | 805 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 806 | |
2e0fef85 | 807 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 JS |
808 | if (!mbox) { |
809 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
810 | "%d (%d):0133 PLOGI: no memory for reg_login " | |
811 | "Data: x%x x%x x%x x%x\n", | |
812 | phba->brd_no, vport->vpi, | |
813 | ndlp->nlp_DID, ndlp->nlp_state, | |
814 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 815 | goto out; |
92d7f7b0 | 816 | } |
dea3101e | 817 | |
2e0fef85 JS |
818 | lpfc_unreg_rpi(vport, ndlp); |
819 | ||
92d7f7b0 JS |
820 | if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
821 | (uint8_t *) sp, mbox, 0) == 0) { | |
2fe165b6 | 822 | switch (ndlp->nlp_DID) { |
dea3101e | 823 | case NameServer_DID: |
de0c5b32 | 824 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e JB |
825 | break; |
826 | case FDMI_DID: | |
de0c5b32 | 827 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e JB |
828 | break; |
829 | default: | |
de0c5b32 | 830 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 831 | } |
329f9bc7 | 832 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 833 | mbox->vport = vport; |
dea3101e JB |
834 | if (lpfc_sli_issue_mbox(phba, mbox, |
835 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
836 | != MBX_NOT_FINISHED) { | |
2e0fef85 JS |
837 | lpfc_nlp_set_state(vport, ndlp, |
838 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 839 | return ndlp->nlp_state; |
dea3101e | 840 | } |
329f9bc7 | 841 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 842 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
843 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
844 | kfree(mp); | |
dea3101e | 845 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 JS |
846 | |
847 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
848 | "%d (%d):0134 PLOGI: cannot issue reg_login " | |
849 | "Data: x%x x%x x%x x%x\n", | |
850 | phba->brd_no, vport->vpi, | |
851 | ndlp->nlp_DID, ndlp->nlp_state, | |
852 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
853 | } else { |
854 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 JS |
855 | |
856 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
857 | "%d (%d):0135 PLOGI: cannot format reg_login " | |
858 | "Data: x%x x%x x%x x%x\n", | |
859 | phba->brd_no, vport->vpi, | |
860 | ndlp->nlp_DID, ndlp->nlp_state, | |
861 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
862 | } |
863 | ||
864 | ||
92d7f7b0 JS |
865 | out: |
866 | if (ndlp->nlp_DID == NameServer_DID) { | |
867 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
868 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
869 | "%d (%d):0261 Cannot Register NameServer login\n", | |
870 | phba->brd_no, vport->vpi); | |
871 | } | |
872 | ||
dea3101e JB |
873 | /* Free this node since the driver cannot login or has the wrong |
874 | sparm */ | |
2e0fef85 | 875 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 876 | return NLP_STE_FREED_NODE; |
dea3101e JB |
877 | } |
878 | ||
879 | static uint32_t | |
2e0fef85 JS |
880 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
881 | void *arg, uint32_t evt) | |
dea3101e | 882 | { |
2e0fef85 JS |
883 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
884 | ||
885 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
886 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 887 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 888 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 889 | return ndlp->nlp_state; |
2e0fef85 | 890 | } else { |
a0f9b48d | 891 | /* software abort outstanding PLOGI */ |
2e0fef85 | 892 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 893 | |
2e0fef85 | 894 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
895 | return NLP_STE_FREED_NODE; |
896 | } | |
dea3101e JB |
897 | } |
898 | ||
899 | static uint32_t | |
2e0fef85 JS |
900 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
901 | struct lpfc_nodelist *ndlp, | |
902 | void *arg, | |
903 | uint32_t evt) | |
dea3101e | 904 | { |
2e0fef85 JS |
905 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
906 | struct lpfc_hba *phba = vport->phba; | |
907 | ||
92d7f7b0 JS |
908 | /* Don't do anything that will mess up processing of the |
909 | * previous RSCN. | |
910 | */ | |
911 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
912 | return ndlp->nlp_state; | |
913 | ||
dea3101e | 914 | /* software abort outstanding PLOGI */ |
07951076 | 915 | lpfc_els_abort(phba, ndlp); |
dea3101e | 916 | |
5024ab17 | 917 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 918 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 919 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 920 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 921 | spin_unlock_irq(shost->host_lock); |
dea3101e | 922 | |
c9f8735b | 923 | return ndlp->nlp_state; |
dea3101e JB |
924 | } |
925 | ||
926 | static uint32_t | |
2e0fef85 JS |
927 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
928 | void *arg, uint32_t evt) | |
dea3101e | 929 | { |
2e0fef85 | 930 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
931 | struct lpfc_iocbq *cmdiocb; |
932 | ||
933 | /* software abort outstanding ADISC */ | |
07951076 | 934 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
935 | |
936 | cmdiocb = (struct lpfc_iocbq *) arg; | |
937 | ||
2e0fef85 | 938 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) |
c9f8735b | 939 | return ndlp->nlp_state; |
2e0fef85 | 940 | |
5024ab17 | 941 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
942 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
943 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 944 | |
c9f8735b | 945 | return ndlp->nlp_state; |
dea3101e JB |
946 | } |
947 | ||
948 | static uint32_t | |
2e0fef85 JS |
949 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
950 | void *arg, uint32_t evt) | |
dea3101e | 951 | { |
2e0fef85 | 952 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 953 | |
2e0fef85 | 954 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 955 | return ndlp->nlp_state; |
dea3101e JB |
956 | } |
957 | ||
958 | static uint32_t | |
2e0fef85 JS |
959 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
960 | void *arg, uint32_t evt) | |
dea3101e | 961 | { |
2e0fef85 | 962 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
963 | struct lpfc_iocbq *cmdiocb; |
964 | ||
965 | cmdiocb = (struct lpfc_iocbq *) arg; | |
966 | ||
967 | /* software abort outstanding ADISC */ | |
07951076 | 968 | lpfc_els_abort(phba, ndlp); |
dea3101e | 969 | |
2e0fef85 | 970 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 971 | return ndlp->nlp_state; |
dea3101e JB |
972 | } |
973 | ||
974 | static uint32_t | |
2e0fef85 JS |
975 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
976 | struct lpfc_nodelist *ndlp, | |
977 | void *arg, uint32_t evt) | |
dea3101e JB |
978 | { |
979 | struct lpfc_iocbq *cmdiocb; | |
980 | ||
981 | cmdiocb = (struct lpfc_iocbq *) arg; | |
982 | ||
2e0fef85 | 983 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 984 | return ndlp->nlp_state; |
dea3101e JB |
985 | } |
986 | ||
987 | static uint32_t | |
2e0fef85 JS |
988 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
989 | void *arg, uint32_t evt) | |
dea3101e JB |
990 | { |
991 | struct lpfc_iocbq *cmdiocb; | |
992 | ||
993 | cmdiocb = (struct lpfc_iocbq *) arg; | |
994 | ||
995 | /* Treat like rcv logo */ | |
2e0fef85 | 996 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 997 | return ndlp->nlp_state; |
dea3101e JB |
998 | } |
999 | ||
1000 | static uint32_t | |
2e0fef85 JS |
1001 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1002 | struct lpfc_nodelist *ndlp, | |
1003 | void *arg, uint32_t evt) | |
dea3101e | 1004 | { |
2e0fef85 JS |
1005 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1006 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1007 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1008 | IOCB_t *irsp; | |
1009 | ADISC *ap; | |
1010 | ||
1011 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1012 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1013 | ||
1014 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1015 | irsp = &rspiocb->iocb; | |
1016 | ||
1017 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1018 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e JB |
1019 | /* 1 sec timeout */ |
1020 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1021 | spin_lock_irq(shost->host_lock); |
dea3101e | 1022 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1023 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1024 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1025 | |
2e0fef85 JS |
1026 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1027 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1028 | |
5024ab17 | 1029 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1030 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1031 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1032 | return ndlp->nlp_state; |
dea3101e | 1033 | } |
5024ab17 | 1034 | |
2501322e | 1035 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1036 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1037 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1038 | } else { |
5024ab17 | 1039 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1040 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1041 | } |
c9f8735b | 1042 | return ndlp->nlp_state; |
dea3101e JB |
1043 | } |
1044 | ||
1045 | static uint32_t | |
2e0fef85 JS |
1046 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1047 | void *arg, uint32_t evt) | |
dea3101e | 1048 | { |
2e0fef85 JS |
1049 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1050 | ||
1051 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1052 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1053 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1054 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1055 | return ndlp->nlp_state; |
2e0fef85 | 1056 | } else { |
a0f9b48d | 1057 | /* software abort outstanding ADISC */ |
2e0fef85 | 1058 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1059 | |
2e0fef85 | 1060 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1061 | return NLP_STE_FREED_NODE; |
1062 | } | |
dea3101e JB |
1063 | } |
1064 | ||
1065 | static uint32_t | |
2e0fef85 JS |
1066 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1067 | struct lpfc_nodelist *ndlp, | |
1068 | void *arg, | |
1069 | uint32_t evt) | |
dea3101e | 1070 | { |
2e0fef85 JS |
1071 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1072 | struct lpfc_hba *phba = vport->phba; | |
1073 | ||
92d7f7b0 JS |
1074 | /* Don't do anything that will mess up processing of the |
1075 | * previous RSCN. | |
1076 | */ | |
1077 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1078 | return ndlp->nlp_state; | |
1079 | ||
dea3101e | 1080 | /* software abort outstanding ADISC */ |
07951076 | 1081 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1082 | |
5024ab17 | 1083 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1084 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1085 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1086 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1087 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1088 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1089 | return ndlp->nlp_state; |
dea3101e JB |
1090 | } |
1091 | ||
1092 | static uint32_t | |
2e0fef85 JS |
1093 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1094 | struct lpfc_nodelist *ndlp, | |
1095 | void *arg, | |
dea3101e JB |
1096 | uint32_t evt) |
1097 | { | |
2e0fef85 | 1098 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1099 | |
2e0fef85 | 1100 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1101 | return ndlp->nlp_state; |
dea3101e JB |
1102 | } |
1103 | ||
1104 | static uint32_t | |
2e0fef85 JS |
1105 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1106 | struct lpfc_nodelist *ndlp, | |
1107 | void *arg, | |
dea3101e JB |
1108 | uint32_t evt) |
1109 | { | |
2e0fef85 | 1110 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1111 | |
2e0fef85 | 1112 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1113 | return ndlp->nlp_state; |
dea3101e JB |
1114 | } |
1115 | ||
1116 | static uint32_t | |
2e0fef85 JS |
1117 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1118 | struct lpfc_nodelist *ndlp, | |
1119 | void *arg, | |
dea3101e JB |
1120 | uint32_t evt) |
1121 | { | |
2e0fef85 JS |
1122 | struct lpfc_hba *phba = vport->phba; |
1123 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1124 | LPFC_MBOXQ_t *mb; |
1125 | LPFC_MBOXQ_t *nextmb; | |
1126 | struct lpfc_dmabuf *mp; | |
dea3101e JB |
1127 | |
1128 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1129 | ||
7054a606 JS |
1130 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1131 | if ((mb = phba->sli.mbox_active)) { | |
1132 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1133 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
92d7f7b0 | 1134 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1135 | mb->context2 = NULL; |
1136 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1137 | } | |
1138 | } | |
1139 | ||
2e0fef85 | 1140 | spin_lock_irq(&phba->hbalock); |
7054a606 JS |
1141 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1142 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1143 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1144 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1145 | if (mp) { | |
1146 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1147 | kfree(mp); | |
1148 | } | |
92d7f7b0 | 1149 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1150 | list_del(&mb->list); |
1151 | mempool_free(mb, phba->mbox_mem_pool); | |
1152 | } | |
1153 | } | |
2e0fef85 | 1154 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1155 | |
2e0fef85 | 1156 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1157 | return ndlp->nlp_state; |
dea3101e JB |
1158 | } |
1159 | ||
1160 | static uint32_t | |
2e0fef85 JS |
1161 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1162 | struct lpfc_nodelist *ndlp, | |
1163 | void *arg, | |
dea3101e JB |
1164 | uint32_t evt) |
1165 | { | |
2e0fef85 | 1166 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1167 | |
2e0fef85 | 1168 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1169 | return ndlp->nlp_state; |
dea3101e JB |
1170 | } |
1171 | ||
1172 | static uint32_t | |
2e0fef85 JS |
1173 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1174 | struct lpfc_nodelist *ndlp, | |
1175 | void *arg, | |
dea3101e JB |
1176 | uint32_t evt) |
1177 | { | |
1178 | struct lpfc_iocbq *cmdiocb; | |
1179 | ||
1180 | cmdiocb = (struct lpfc_iocbq *) arg; | |
2e0fef85 | 1181 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1182 | return ndlp->nlp_state; |
dea3101e JB |
1183 | } |
1184 | ||
1185 | static uint32_t | |
2e0fef85 JS |
1186 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1187 | struct lpfc_nodelist *ndlp, | |
1188 | void *arg, | |
1189 | uint32_t evt) | |
dea3101e | 1190 | { |
2e0fef85 JS |
1191 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1192 | struct lpfc_hba *phba = vport->phba; | |
1193 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; | |
1194 | MAILBOX_t *mb = &pmb->mb; | |
1195 | uint32_t did = mb->un.varWords[1]; | |
dea3101e | 1196 | |
dea3101e JB |
1197 | if (mb->mbxStatus) { |
1198 | /* RegLogin failed */ | |
ed957684 | 1199 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
92d7f7b0 JS |
1200 | "%d (%d):0246 RegLogin failed Data: x%x x%x " |
1201 | "x%x\n", | |
1202 | phba->brd_no, vport->vpi, | |
2e0fef85 | 1203 | did, mb->mbxStatus, vport->port_state); |
dea3101e | 1204 | |
d0e56dad JS |
1205 | /* |
1206 | * If RegLogin failed due to lack of HBA resources do not | |
1207 | * retry discovery. | |
1208 | */ | |
1209 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
1210 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; | |
2e0fef85 | 1211 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
d0e56dad JS |
1212 | return ndlp->nlp_state; |
1213 | } | |
1214 | ||
2e0fef85 | 1215 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1216 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1217 | spin_lock_irq(shost->host_lock); |
dea3101e | 1218 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1219 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1220 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1221 | |
2e0fef85 | 1222 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1223 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1224 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1225 | return ndlp->nlp_state; |
dea3101e JB |
1226 | } |
1227 | ||
dea3101e | 1228 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e JB |
1229 | |
1230 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1231 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1232 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1233 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1234 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1235 | } else { |
5024ab17 | 1236 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1237 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1238 | } |
c9f8735b | 1239 | return ndlp->nlp_state; |
dea3101e JB |
1240 | } |
1241 | ||
1242 | static uint32_t | |
2e0fef85 JS |
1243 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1244 | struct lpfc_nodelist *ndlp, | |
1245 | void *arg, | |
dea3101e JB |
1246 | uint32_t evt) |
1247 | { | |
2e0fef85 JS |
1248 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1249 | ||
1250 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1251 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1252 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1253 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1254 | return ndlp->nlp_state; |
2e0fef85 JS |
1255 | } else { |
1256 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1257 | return NLP_STE_FREED_NODE; |
1258 | } | |
dea3101e JB |
1259 | } |
1260 | ||
1261 | static uint32_t | |
2e0fef85 JS |
1262 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1263 | struct lpfc_nodelist *ndlp, | |
1264 | void *arg, | |
1265 | uint32_t evt) | |
dea3101e | 1266 | { |
2e0fef85 JS |
1267 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1268 | ||
92d7f7b0 JS |
1269 | /* Don't do anything that will mess up processing of the |
1270 | * previous RSCN. | |
1271 | */ | |
1272 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1273 | return ndlp->nlp_state; | |
1274 | ||
5024ab17 | 1275 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1276 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1277 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1278 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1279 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1280 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1281 | return ndlp->nlp_state; |
dea3101e JB |
1282 | } |
1283 | ||
1284 | static uint32_t | |
2e0fef85 JS |
1285 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1286 | void *arg, uint32_t evt) | |
dea3101e JB |
1287 | { |
1288 | struct lpfc_iocbq *cmdiocb; | |
1289 | ||
1290 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1291 | ||
2e0fef85 | 1292 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1293 | return ndlp->nlp_state; |
dea3101e JB |
1294 | } |
1295 | ||
1296 | static uint32_t | |
2e0fef85 JS |
1297 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1298 | void *arg, uint32_t evt) | |
dea3101e | 1299 | { |
2e0fef85 | 1300 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1301 | |
2e0fef85 | 1302 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1303 | return ndlp->nlp_state; |
dea3101e JB |
1304 | } |
1305 | ||
1306 | static uint32_t | |
2e0fef85 JS |
1307 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1308 | void *arg, uint32_t evt) | |
dea3101e | 1309 | { |
2e0fef85 | 1310 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e JB |
1311 | |
1312 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1313 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1314 | |
2e0fef85 | 1315 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1316 | return ndlp->nlp_state; |
dea3101e JB |
1317 | } |
1318 | ||
1319 | static uint32_t | |
2e0fef85 JS |
1320 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1321 | void *arg, uint32_t evt) | |
dea3101e | 1322 | { |
2e0fef85 | 1323 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1324 | |
2e0fef85 | 1325 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1326 | return ndlp->nlp_state; |
dea3101e JB |
1327 | } |
1328 | ||
1329 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1330 | * we are logged into. We should send back a PRLO rsp setting the | |
1331 | * appropriate bits. | |
1332 | * NEXT STATE = PRLI_ISSUE | |
1333 | */ | |
1334 | static uint32_t | |
2e0fef85 JS |
1335 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1336 | void *arg, uint32_t evt) | |
dea3101e | 1337 | { |
2e0fef85 | 1338 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1339 | |
2e0fef85 | 1340 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1341 | return ndlp->nlp_state; |
dea3101e JB |
1342 | } |
1343 | ||
1344 | static uint32_t | |
2e0fef85 JS |
1345 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1346 | void *arg, uint32_t evt) | |
dea3101e | 1347 | { |
92d7f7b0 | 1348 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1349 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1350 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1351 | IOCB_t *irsp; |
1352 | PRLI *npr; | |
1353 | ||
1354 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1355 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1356 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1357 | ||
1358 | irsp = &rspiocb->iocb; | |
1359 | if (irsp->ulpStatus) { | |
858c9f6c JS |
1360 | if ((vport->port_type == LPFC_NPIV_PORT) && |
1361 | phba->cfg_vport_restrict_login) { | |
1362 | goto out; | |
1363 | } | |
5024ab17 | 1364 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1365 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1366 | return ndlp->nlp_state; |
dea3101e JB |
1367 | } |
1368 | ||
1369 | /* Check out PRLI rsp */ | |
1370 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1371 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1372 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1373 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1374 | if (npr->initiatorFunc) | |
1375 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1376 | if (npr->targetFunc) | |
1377 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1378 | if (npr->Retry) | |
1379 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1380 | } | |
92d7f7b0 JS |
1381 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1382 | (vport->port_type == LPFC_NPIV_PORT) && | |
1383 | phba->cfg_vport_restrict_login) { | |
858c9f6c | 1384 | out: |
92d7f7b0 JS |
1385 | spin_lock_irq(shost->host_lock); |
1386 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1387 | spin_unlock_irq(shost->host_lock); | |
1388 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1389 | ||
1390 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
1391 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); | |
1392 | return ndlp->nlp_state; | |
1393 | } | |
dea3101e | 1394 | |
5024ab17 | 1395 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1396 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1397 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1398 | else | |
1399 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1400 | return ndlp->nlp_state; |
dea3101e JB |
1401 | } |
1402 | ||
1403 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1404 | * |
1405 | * \pre | |
1406 | * \post | |
1407 | * \param phba | |
1408 | * \param ndlp | |
1409 | * \param arg | |
1410 | * \param evt | |
1411 | * \return uint32_t | |
1412 | * | |
1413 | * \b Description: | |
1414 | * This routine is envoked when we a request to remove a nport we are in the | |
1415 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1416 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1417 | * on plogi list so it can be freed when LOGO completes. | |
1418 | * | |
1419 | */ | |
1420 | ||
dea3101e | 1421 | static uint32_t |
2e0fef85 JS |
1422 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1423 | void *arg, uint32_t evt) | |
dea3101e | 1424 | { |
2e0fef85 JS |
1425 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1426 | ||
1427 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1428 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1429 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1430 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1431 | return ndlp->nlp_state; |
2e0fef85 | 1432 | } else { |
a0f9b48d | 1433 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1434 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1435 | |
2e0fef85 | 1436 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1437 | return NLP_STE_FREED_NODE; |
1438 | } | |
dea3101e JB |
1439 | } |
1440 | ||
1441 | ||
1442 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1443 | * |
1444 | * \pre | |
1445 | * \post | |
1446 | * \param phba | |
1447 | * \param ndlp | |
1448 | * \param arg | |
1449 | * \param evt | |
1450 | * \return uint32_t | |
1451 | * | |
1452 | * \b Description: | |
1453 | * The routine is envoked when the state of a device is unknown, like | |
1454 | * during a link down. We should remove the nodelist entry from the | |
1455 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1456 | * outstanding PRLI command, then free the node entry. | |
1457 | */ | |
dea3101e | 1458 | static uint32_t |
2e0fef85 JS |
1459 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1460 | struct lpfc_nodelist *ndlp, | |
1461 | void *arg, | |
1462 | uint32_t evt) | |
dea3101e | 1463 | { |
2e0fef85 JS |
1464 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1465 | struct lpfc_hba *phba = vport->phba; | |
1466 | ||
92d7f7b0 JS |
1467 | /* Don't do anything that will mess up processing of the |
1468 | * previous RSCN. | |
1469 | */ | |
1470 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1471 | return ndlp->nlp_state; | |
1472 | ||
dea3101e | 1473 | /* software abort outstanding PRLI */ |
07951076 | 1474 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1475 | |
5024ab17 | 1476 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1477 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1478 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1479 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1480 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1481 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1482 | return ndlp->nlp_state; |
dea3101e JB |
1483 | } |
1484 | ||
1485 | static uint32_t | |
2e0fef85 JS |
1486 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1487 | void *arg, uint32_t evt) | |
dea3101e | 1488 | { |
2e0fef85 | 1489 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1490 | |
2e0fef85 | 1491 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1492 | return ndlp->nlp_state; |
dea3101e JB |
1493 | } |
1494 | ||
1495 | static uint32_t | |
2e0fef85 JS |
1496 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1497 | void *arg, uint32_t evt) | |
dea3101e | 1498 | { |
2e0fef85 | 1499 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1500 | |
2e0fef85 JS |
1501 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1502 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1503 | return ndlp->nlp_state; |
dea3101e JB |
1504 | } |
1505 | ||
1506 | static uint32_t | |
2e0fef85 JS |
1507 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1508 | void *arg, uint32_t evt) | |
dea3101e | 1509 | { |
2e0fef85 | 1510 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1511 | |
2e0fef85 | 1512 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1513 | return ndlp->nlp_state; |
dea3101e JB |
1514 | } |
1515 | ||
1516 | static uint32_t | |
2e0fef85 JS |
1517 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1518 | void *arg, uint32_t evt) | |
dea3101e | 1519 | { |
2e0fef85 | 1520 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1521 | |
2e0fef85 | 1522 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1523 | return ndlp->nlp_state; |
dea3101e JB |
1524 | } |
1525 | ||
1526 | static uint32_t | |
2e0fef85 JS |
1527 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1528 | void *arg, uint32_t evt) | |
dea3101e | 1529 | { |
2e0fef85 | 1530 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1531 | |
2e0fef85 | 1532 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); |
c9f8735b | 1533 | return ndlp->nlp_state; |
dea3101e JB |
1534 | } |
1535 | ||
1536 | static uint32_t | |
2e0fef85 JS |
1537 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1538 | struct lpfc_nodelist *ndlp, | |
1539 | void *arg, | |
1540 | uint32_t evt) | |
dea3101e | 1541 | { |
2e0fef85 JS |
1542 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1543 | ||
5024ab17 | 1544 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1545 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1546 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1547 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1548 | spin_unlock_irq(shost->host_lock); |
1549 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1550 | |
c9f8735b | 1551 | return ndlp->nlp_state; |
dea3101e JB |
1552 | } |
1553 | ||
1554 | static uint32_t | |
2e0fef85 JS |
1555 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1556 | void *arg, uint32_t evt) | |
dea3101e | 1557 | { |
2e0fef85 | 1558 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1559 | |
2e0fef85 | 1560 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1561 | return ndlp->nlp_state; |
dea3101e JB |
1562 | } |
1563 | ||
1564 | static uint32_t | |
2e0fef85 JS |
1565 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1566 | void *arg, uint32_t evt) | |
dea3101e | 1567 | { |
2e0fef85 | 1568 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1569 | |
2e0fef85 | 1570 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1571 | return ndlp->nlp_state; |
dea3101e JB |
1572 | } |
1573 | ||
1574 | static uint32_t | |
2e0fef85 JS |
1575 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1576 | void *arg, uint32_t evt) | |
dea3101e | 1577 | { |
2e0fef85 | 1578 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1579 | |
2e0fef85 | 1580 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1581 | return ndlp->nlp_state; |
dea3101e JB |
1582 | } |
1583 | ||
1584 | static uint32_t | |
2e0fef85 JS |
1585 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1586 | struct lpfc_nodelist *ndlp, | |
1587 | void *arg, uint32_t evt) | |
dea3101e | 1588 | { |
2e0fef85 | 1589 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1590 | |
2e0fef85 | 1591 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1592 | return ndlp->nlp_state; |
dea3101e JB |
1593 | } |
1594 | ||
1595 | static uint32_t | |
2e0fef85 JS |
1596 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1597 | void *arg, uint32_t evt) | |
dea3101e | 1598 | { |
2e0fef85 JS |
1599 | struct lpfc_hba *phba = vport->phba; |
1600 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1601 | |
1602 | /* flush the target */ | |
dea3101e | 1603 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], |
92d7f7b0 | 1604 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); |
dea3101e JB |
1605 | |
1606 | /* Treat like rcv logo */ | |
2e0fef85 | 1607 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1608 | return ndlp->nlp_state; |
dea3101e JB |
1609 | } |
1610 | ||
1611 | static uint32_t | |
2e0fef85 JS |
1612 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1613 | struct lpfc_nodelist *ndlp, | |
1614 | void *arg, | |
1615 | uint32_t evt) | |
dea3101e | 1616 | { |
2e0fef85 JS |
1617 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1618 | ||
5024ab17 | 1619 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1620 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1621 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1622 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1623 | spin_unlock_irq(shost->host_lock); |
1624 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1625 | return ndlp->nlp_state; |
dea3101e JB |
1626 | } |
1627 | ||
1628 | static uint32_t | |
2e0fef85 JS |
1629 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1630 | void *arg, uint32_t evt) | |
dea3101e | 1631 | { |
2e0fef85 JS |
1632 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1633 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1634 | |
1635 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
858c9f6c | 1636 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) { |
c9f8735b | 1637 | return ndlp->nlp_state; |
dea3101e JB |
1638 | } |
1639 | ||
2e0fef85 JS |
1640 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1641 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1642 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1643 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1644 | return ndlp->nlp_state; |
dea3101e JB |
1645 | } |
1646 | ||
1647 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1648 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
488d1469 | 1649 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1650 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1651 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1652 | } |
488d1469 | 1653 | |
c9f8735b | 1654 | return ndlp->nlp_state; |
dea3101e JB |
1655 | } |
1656 | ||
1657 | static uint32_t | |
2e0fef85 JS |
1658 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1659 | void *arg, uint32_t evt) | |
dea3101e | 1660 | { |
2e0fef85 JS |
1661 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1662 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1663 | struct ls_rjt stat; | |
dea3101e JB |
1664 | |
1665 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1666 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1667 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1668 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e JB |
1669 | |
1670 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1671 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1672 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1673 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1674 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1675 | spin_unlock_irq(shost->host_lock); |
1676 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1677 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1678 | } else { |
5024ab17 | 1679 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1680 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1681 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1682 | } |
1683 | } | |
c9f8735b | 1684 | return ndlp->nlp_state; |
dea3101e JB |
1685 | } |
1686 | ||
1687 | static uint32_t | |
2e0fef85 JS |
1688 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1689 | void *arg, uint32_t evt) | |
dea3101e | 1690 | { |
2e0fef85 | 1691 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1692 | |
2e0fef85 | 1693 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1694 | return ndlp->nlp_state; |
dea3101e JB |
1695 | } |
1696 | ||
1697 | static uint32_t | |
2e0fef85 JS |
1698 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1699 | void *arg, uint32_t evt) | |
dea3101e | 1700 | { |
2e0fef85 | 1701 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1702 | |
2e0fef85 | 1703 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
dea3101e | 1704 | |
33ccf8d1 JS |
1705 | /* |
1706 | * Do not start discovery if discovery is about to start | |
1707 | * or discovery in progress for this node. Starting discovery | |
1708 | * here will affect the counting of discovery threads. | |
1709 | */ | |
2fb9bd8b | 1710 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1711 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1712 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1713 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1714 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1715 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1716 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1717 | } else { |
5024ab17 | 1718 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1719 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1720 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1721 | } |
1722 | } | |
c9f8735b | 1723 | return ndlp->nlp_state; |
dea3101e JB |
1724 | } |
1725 | ||
1726 | static uint32_t | |
2e0fef85 JS |
1727 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1728 | void *arg, uint32_t evt) | |
dea3101e | 1729 | { |
2e0fef85 JS |
1730 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1731 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1732 | |
2e0fef85 | 1733 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1734 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1735 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1736 | |
2e0fef85 | 1737 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
dea3101e | 1738 | |
2e0fef85 | 1739 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1740 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1741 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1742 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1743 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1744 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1745 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1746 | } else { |
2e0fef85 | 1747 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1748 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1749 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1750 | } |
c9f8735b JW |
1751 | return ndlp->nlp_state; |
1752 | } | |
dea3101e | 1753 | |
c9f8735b | 1754 | static uint32_t |
2e0fef85 JS |
1755 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1756 | void *arg, uint32_t evt) | |
c9f8735b JW |
1757 | { |
1758 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1759 | IOCB_t *irsp; |
c9f8735b JW |
1760 | |
1761 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1762 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1763 | |
1764 | irsp = &rspiocb->iocb; | |
1765 | if (irsp->ulpStatus) { | |
2e0fef85 | 1766 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1767 | return NLP_STE_FREED_NODE; |
1768 | } | |
c9f8735b JW |
1769 | return ndlp->nlp_state; |
1770 | } | |
1771 | ||
1772 | static uint32_t | |
2e0fef85 JS |
1773 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1774 | void *arg, uint32_t evt) | |
c9f8735b JW |
1775 | { |
1776 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1777 | IOCB_t *irsp; |
c9f8735b JW |
1778 | |
1779 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1780 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1781 | |
1782 | irsp = &rspiocb->iocb; | |
1783 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1784 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1785 | return NLP_STE_FREED_NODE; |
1786 | } | |
c9f8735b | 1787 | return ndlp->nlp_state; |
dea3101e JB |
1788 | } |
1789 | ||
1790 | static uint32_t | |
2e0fef85 JS |
1791 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1792 | void *arg, uint32_t evt) | |
dea3101e | 1793 | { |
2e0fef85 | 1794 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1795 | /* This routine does nothing, just return the current state */ |
c9f8735b JW |
1796 | return ndlp->nlp_state; |
1797 | } | |
1798 | ||
1799 | static uint32_t | |
2e0fef85 JS |
1800 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1801 | void *arg, uint32_t evt) | |
c9f8735b JW |
1802 | { |
1803 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1804 | IOCB_t *irsp; |
c9f8735b JW |
1805 | |
1806 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1807 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1808 | |
1809 | irsp = &rspiocb->iocb; | |
1810 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1811 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1812 | return NLP_STE_FREED_NODE; |
1813 | } | |
c9f8735b | 1814 | return ndlp->nlp_state; |
dea3101e JB |
1815 | } |
1816 | ||
1817 | static uint32_t | |
2e0fef85 JS |
1818 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
1819 | struct lpfc_nodelist *ndlp, | |
1820 | void *arg, uint32_t evt) | |
dea3101e | 1821 | { |
2e0fef85 JS |
1822 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
1823 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 1824 | |
c9f8735b JW |
1825 | if (!mb->mbxStatus) |
1826 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
a0f9b48d JS |
1827 | else { |
1828 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { | |
2e0fef85 | 1829 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1830 | return NLP_STE_FREED_NODE; |
1831 | } | |
1832 | } | |
c9f8735b | 1833 | return ndlp->nlp_state; |
dea3101e JB |
1834 | } |
1835 | ||
1836 | static uint32_t | |
2e0fef85 JS |
1837 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1838 | void *arg, uint32_t evt) | |
dea3101e | 1839 | { |
2e0fef85 JS |
1840 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1841 | ||
a0f9b48d | 1842 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 1843 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1844 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1845 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
1846 | return ndlp->nlp_state; |
1847 | } | |
2e0fef85 | 1848 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 1849 | return NLP_STE_FREED_NODE; |
dea3101e JB |
1850 | } |
1851 | ||
1852 | static uint32_t | |
2e0fef85 JS |
1853 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1854 | void *arg, uint32_t evt) | |
dea3101e | 1855 | { |
2e0fef85 JS |
1856 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1857 | ||
92d7f7b0 JS |
1858 | /* Don't do anything that will mess up processing of the |
1859 | * previous RSCN. | |
1860 | */ | |
1861 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1862 | return ndlp->nlp_state; | |
1863 | ||
2e0fef85 | 1864 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1865 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1866 | spin_unlock_irq(shost->host_lock); |
6ad42535 | 1867 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
2e0fef85 | 1868 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
6ad42535 | 1869 | } |
c9f8735b | 1870 | return ndlp->nlp_state; |
dea3101e JB |
1871 | } |
1872 | ||
1873 | ||
1874 | /* This next section defines the NPort Discovery State Machine */ | |
1875 | ||
1876 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1877 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1878 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1879 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1880 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1881 | * The unmapped_list will contain all nodes that we have successfully logged | |
1882 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1883 | * that are mapped FCP targets. | |
1884 | */ | |
1885 | /* | |
1886 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1887 | * that we have saved binding information on. This information is used when | |
1888 | * nodes transition from the unmapped to the mapped list. | |
1889 | */ | |
1890 | /* For UNUSED_NODE state, the node has just been allocated . | |
1891 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1892 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1893 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1894 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1895 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1896 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1897 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1898 | * node, the node is taken off the unmapped list. The binding list is checked | |
1899 | * for a valid binding, or a binding is automatically assigned. If binding | |
1900 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1901 | * binding assignment is successful, the associated binding list entry (if | |
1902 | * any) is removed, and the node is placed on the mapped list. | |
1903 | */ | |
1904 | /* | |
1905 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 1906 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e JB |
1907 | * expire, all effected nodes will receive a DEVICE_RM event. |
1908 | */ | |
1909 | /* | |
1910 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
1911 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
1912 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
1913 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
1914 | * we will first process the ADISC list. 32 entries are processed initially and | |
1915 | * ADISC is initited for each one. Completions / Events for each node are | |
1916 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
1917 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
1918 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
1919 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
1920 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
1921 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
1922 | * Completions / Events for each node are funnelled thru the state machine. As | |
1923 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
1924 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
1925 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
1926 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
1927 | * unmapped lists. | |
1928 | */ | |
1929 | ||
1930 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 1931 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e JB |
1932 | /* Action routine Event Current State */ |
1933 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
1934 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
1935 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
1936 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
1937 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
1938 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
1939 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1940 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1941 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
1942 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1943 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1944 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
1945 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
1946 | ||
1947 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 1948 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 1949 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e JB |
1950 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
1951 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
1952 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
1953 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
1954 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1955 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1956 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1957 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1958 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ | |
1959 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
1960 | ||
1961 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
1962 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
1963 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
1964 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
1965 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
1966 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
1967 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1968 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1969 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1970 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
1971 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1972 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
1973 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
1974 | ||
1975 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
1976 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
1977 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
1978 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
1979 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
1980 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
1981 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1982 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1983 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1984 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1985 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
1986 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
1987 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
1988 | ||
1989 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
1990 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
1991 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
1992 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
1993 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
1994 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
1995 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1996 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ | |
1997 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1998 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1999 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2000 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2001 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2002 | ||
2003 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2004 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2005 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2006 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2007 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2008 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2009 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2010 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2011 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2012 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2013 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2014 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2015 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2016 | ||
2017 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2018 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2019 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2020 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2021 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2022 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2023 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2024 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2025 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2026 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2027 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2028 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2029 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2030 | ||
2031 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2032 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2033 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2034 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2035 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2036 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2037 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2038 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2039 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2040 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e JB |
2041 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2042 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2043 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2044 | }; | |
2045 | ||
2046 | int | |
2e0fef85 JS |
2047 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2048 | void *arg, uint32_t evt) | |
dea3101e | 2049 | { |
2e0fef85 | 2050 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2051 | uint32_t cur_state, rc; |
2e0fef85 | 2052 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e JB |
2053 | uint32_t); |
2054 | ||
329f9bc7 | 2055 | lpfc_nlp_get(ndlp); |
dea3101e JB |
2056 | cur_state = ndlp->nlp_state; |
2057 | ||
2058 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
ed957684 | 2059 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
92d7f7b0 JS |
2060 | "%d (%d):0211 DSM in event x%x on NPort x%x in " |
2061 | "state %d Data: x%x\n", | |
2062 | phba->brd_no, vport->vpi, | |
dea3101e JB |
2063 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); |
2064 | ||
858c9f6c JS |
2065 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2066 | "DSM in: evt:%d ste:%d did:x%x", | |
2067 | evt, cur_state, ndlp->nlp_DID); | |
2068 | ||
dea3101e | 2069 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2070 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e JB |
2071 | |
2072 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
ed957684 | 2073 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
92d7f7b0 JS |
2074 | "%d (%d):0212 DSM out state %d on NPort x%x " |
2075 | "Data: x%x\n", | |
2076 | phba->brd_no, vport->vpi, | |
2077 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2078 | |
858c9f6c JS |
2079 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2080 | "DSM out: ste:%d did:x%x flg:x%x", | |
2081 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2082 | ||
329f9bc7 | 2083 | lpfc_nlp_put(ndlp); |
dea3101e | 2084 | |
c9f8735b | 2085 | return rc; |
dea3101e | 2086 | } |