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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 | 135 | bad_service_param: |
e8b62011 JS |
136 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
137 | "0207 Device %x " | |
138 | "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " | |
139 | "invalid service parameters. Ignoring device.\n", | |
140 | 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]); | |
92d7f7b0 | 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> */ | |
e8b62011 JS |
197 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, |
198 | "0205 Abort outstanding I/O on NPort x%x " | |
199 | "Data: x%x x%x x%x\n", | |
200 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
201 | ndlp->nlp_rpi); | |
92d7f7b0 JS |
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 */ | |
e8b62011 JS |
301 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
302 | "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
303 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, | |
304 | ndlp->nlp_rpi); | |
dea3101e | 305 | |
3de2a653 | 306 | if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) |
dea3101e | 307 | ndlp->nlp_fcp_info |= CLASS2; |
ed957684 | 308 | else |
dea3101e | 309 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 310 | |
dea3101e JB |
311 | ndlp->nlp_class_sup = 0; |
312 | if (sp->cls1.classValid) | |
313 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
314 | if (sp->cls2.classValid) | |
315 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
316 | if (sp->cls3.classValid) | |
317 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
318 | if (sp->cls4.classValid) | |
319 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
320 | ndlp->nlp_maxframe = | |
321 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; | |
322 | ||
323 | /* no need to reg_login if we are already in one of these states */ | |
2fe165b6 | 324 | switch (ndlp->nlp_state) { |
dea3101e JB |
325 | case NLP_STE_NPR_NODE: |
326 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) | |
327 | break; | |
328 | case NLP_STE_REG_LOGIN_ISSUE: | |
329 | case NLP_STE_PRLI_ISSUE: | |
330 | case NLP_STE_UNMAPPED_NODE: | |
331 | case NLP_STE_MAPPED_NODE: | |
51ef4c26 | 332 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
c9f8735b | 333 | return 1; |
dea3101e JB |
334 | } |
335 | ||
92d7f7b0 JS |
336 | if ((vport->fc_flag & FC_PT2PT) && |
337 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
dea3101e | 338 | /* rcv'ed PLOGI decides what our NPortId will be */ |
2e0fef85 | 339 | vport->fc_myDID = icmd->un.rcvels.parmRo; |
dea3101e JB |
340 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
341 | if (mbox == NULL) | |
342 | goto out; | |
343 | lpfc_config_link(phba, mbox); | |
344 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 345 | mbox->vport = vport; |
0b727fea | 346 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 347 | if (rc == MBX_NOT_FINISHED) { |
92d7f7b0 | 348 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e JB |
349 | goto out; |
350 | } | |
351 | ||
2e0fef85 | 352 | lpfc_can_disctmo(vport); |
dea3101e JB |
353 | } |
354 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2e0fef85 | 355 | if (!mbox) |
dea3101e JB |
356 | goto out; |
357 | ||
92d7f7b0 JS |
358 | rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID, |
359 | (uint8_t *) sp, mbox, 0); | |
2e0fef85 JS |
360 | if (rc) { |
361 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
362 | goto out; |
363 | } | |
364 | ||
365 | /* ACC PLOGI rsp command needs to execute first, | |
366 | * queue this mbox command to be processed later. | |
367 | */ | |
368 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
329f9bc7 JS |
369 | /* |
370 | * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox | |
371 | * command issued in lpfc_cmpl_els_acc(). | |
372 | */ | |
2e0fef85 JS |
373 | mbox->vport = vport; |
374 | spin_lock_irq(shost->host_lock); | |
5024ab17 | 375 | ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); |
2e0fef85 | 376 | spin_unlock_irq(shost->host_lock); |
dea3101e | 377 | |
33ccf8d1 JS |
378 | /* |
379 | * If there is an outstanding PLOGI issued, abort it before | |
380 | * sending ACC rsp for received PLOGI. If pending plogi | |
381 | * is not canceled here, the plogi will be rejected by | |
382 | * remote port and will be retried. On a configuration with | |
383 | * single discovery thread, this will cause a huge delay in | |
384 | * discovery. Also this will cause multiple state machines | |
385 | * running in parallel for this node. | |
386 | */ | |
387 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { | |
388 | /* software abort outstanding PLOGI */ | |
07951076 | 389 | lpfc_els_abort(phba, ndlp); |
33ccf8d1 JS |
390 | } |
391 | ||
858c9f6c | 392 | if ((vport->port_type == LPFC_NPIV_PORT && |
3de2a653 | 393 | vport->cfg_restrict_login)) { |
858c9f6c JS |
394 | |
395 | /* In order to preserve RPIs, we want to cleanup | |
396 | * the default RPI the firmware created to rcv | |
397 | * this ELS request. The only way to do this is | |
398 | * to register, then unregister the RPI. | |
399 | */ | |
400 | spin_lock_irq(shost->host_lock); | |
401 | ndlp->nlp_flag |= NLP_RM_DFLT_RPI; | |
402 | spin_unlock_irq(shost->host_lock); | |
403 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; | |
404 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
405 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, | |
406 | ndlp, mbox); | |
407 | return 1; | |
408 | } | |
87af33fe JS |
409 | |
410 | /* If the remote NPort logs into us, before we can initiate | |
411 | * discovery to them, cleanup the NPort from discovery accordingly. | |
412 | */ | |
413 | if (ndlp->nlp_state == NLP_STE_NPR_NODE) { | |
414 | spin_lock_irq(shost->host_lock); | |
415 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
416 | spin_unlock_irq(shost->host_lock); | |
417 | del_timer_sync(&ndlp->nlp_delayfunc); | |
418 | ndlp->nlp_last_elscmd = 0; | |
419 | ||
420 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) | |
421 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
422 | ||
423 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
424 | spin_lock_irq(shost->host_lock); | |
425 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
426 | spin_unlock_irq(shost->host_lock); | |
427 | if (vport->num_disc_nodes) { | |
428 | /* Check to see if there are more | |
429 | * PLOGIs to be sent | |
430 | */ | |
431 | lpfc_more_plogi(vport); | |
432 | ||
433 | if (vport->num_disc_nodes == 0) { | |
434 | spin_lock_irq(shost->host_lock); | |
435 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
436 | spin_unlock_irq(shost->host_lock); | |
437 | lpfc_can_disctmo(vport); | |
438 | lpfc_end_rscn(vport); | |
439 | } | |
440 | } | |
441 | } | |
442 | } | |
443 | ||
51ef4c26 | 444 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); |
c9f8735b | 445 | return 1; |
dea3101e JB |
446 | |
447 | out: | |
448 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
449 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; | |
858c9f6c | 450 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
c9f8735b | 451 | return 0; |
dea3101e JB |
452 | } |
453 | ||
454 | static int | |
2e0fef85 | 455 | lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
456 | struct lpfc_iocbq *cmdiocb) |
457 | { | |
2e0fef85 | 458 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 459 | struct lpfc_dmabuf *pcmd; |
2e0fef85 JS |
460 | struct serv_parm *sp; |
461 | struct lpfc_name *pnn, *ppn; | |
dea3101e JB |
462 | struct ls_rjt stat; |
463 | ADISC *ap; | |
464 | IOCB_t *icmd; | |
465 | uint32_t *lp; | |
466 | uint32_t cmd; | |
467 | ||
468 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
469 | lp = (uint32_t *) pcmd->virt; | |
470 | ||
471 | cmd = *lp++; | |
472 | if (cmd == ELS_CMD_ADISC) { | |
473 | ap = (ADISC *) lp; | |
474 | pnn = (struct lpfc_name *) & ap->nodeName; | |
475 | ppn = (struct lpfc_name *) & ap->portName; | |
476 | } else { | |
477 | sp = (struct serv_parm *) lp; | |
478 | pnn = (struct lpfc_name *) & sp->nodeName; | |
479 | ppn = (struct lpfc_name *) & sp->portName; | |
480 | } | |
481 | ||
482 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 483 | if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { |
dea3101e | 484 | if (cmd == ELS_CMD_ADISC) { |
2e0fef85 | 485 | lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); |
2fe165b6 | 486 | } else { |
2e0fef85 | 487 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, |
51ef4c26 | 488 | NULL); |
dea3101e | 489 | } |
c9f8735b | 490 | return 1; |
dea3101e JB |
491 | } |
492 | /* Reject this request because invalid parameters */ | |
493 | stat.un.b.lsRjtRsvd0 = 0; | |
494 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
495 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
496 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 497 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e | 498 | |
dea3101e JB |
499 | /* 1 sec timeout */ |
500 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
501 | ||
2e0fef85 | 502 | spin_lock_irq(shost->host_lock); |
dea3101e | 503 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 504 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
505 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
506 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 507 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 508 | return 0; |
dea3101e JB |
509 | } |
510 | ||
511 | static int | |
2e0fef85 JS |
512 | lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
513 | struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) | |
dea3101e | 514 | { |
2e0fef85 JS |
515 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
516 | ||
517 | /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ | |
dea3101e JB |
518 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
519 | * PLOGIs during LOGO storms from a device. | |
520 | */ | |
2e0fef85 | 521 | spin_lock_irq(shost->host_lock); |
dea3101e | 522 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 523 | spin_unlock_irq(shost->host_lock); |
82d9a2a2 | 524 | if (els_cmd == ELS_CMD_PRLO) |
51ef4c26 | 525 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
82d9a2a2 | 526 | else |
51ef4c26 | 527 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 528 | |
c9f8735b | 529 | if (!(ndlp->nlp_type & NLP_FABRIC) || |
92d7f7b0 | 530 | (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { |
dea3101e | 531 | /* Only try to re-login if this is NOT a Fabric Node */ |
dea3101e | 532 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 533 | spin_lock_irq(shost->host_lock); |
dea3101e | 534 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 535 | spin_unlock_irq(shost->host_lock); |
dea3101e | 536 | |
5024ab17 | 537 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 538 | } |
87af33fe JS |
539 | ndlp->nlp_prev_state = ndlp->nlp_state; |
540 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
dea3101e | 541 | |
2e0fef85 | 542 | spin_lock_irq(shost->host_lock); |
dea3101e | 543 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 544 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
545 | /* The driver has to wait until the ACC completes before it continues |
546 | * processing the LOGO. The action will resume in | |
547 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an | |
548 | * unreg_login, the driver waits so the ACC does not get aborted. | |
549 | */ | |
c9f8735b | 550 | return 0; |
dea3101e JB |
551 | } |
552 | ||
553 | static void | |
2e0fef85 JS |
554 | lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
555 | struct lpfc_iocbq *cmdiocb) | |
dea3101e JB |
556 | { |
557 | struct lpfc_dmabuf *pcmd; | |
558 | uint32_t *lp; | |
559 | PRLI *npr; | |
560 | struct fc_rport *rport = ndlp->rport; | |
561 | u32 roles; | |
562 | ||
563 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
564 | lp = (uint32_t *) pcmd->virt; | |
565 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); | |
566 | ||
567 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
568 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
92d7f7b0 | 569 | if (npr->prliType == PRLI_FCP_TYPE) { |
dea3101e JB |
570 | if (npr->initiatorFunc) |
571 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
572 | if (npr->targetFunc) | |
573 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
574 | if (npr->Retry) | |
575 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
576 | } | |
577 | if (rport) { | |
578 | /* We need to update the rport role values */ | |
579 | roles = FC_RPORT_ROLE_UNKNOWN; | |
580 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
581 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
582 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
583 | roles |= FC_RPORT_ROLE_FCP_TARGET; | |
858c9f6c JS |
584 | |
585 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
586 | "rport rolechg: role:x%x did:x%x flg:x%x", | |
587 | roles, ndlp->nlp_DID, ndlp->nlp_flag); | |
588 | ||
dea3101e JB |
589 | fc_remote_port_rolechg(rport, roles); |
590 | } | |
591 | } | |
592 | ||
593 | static uint32_t | |
2e0fef85 | 594 | lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 595 | { |
2e0fef85 | 596 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 597 | |
51ef4c26 JS |
598 | if (!ndlp->nlp_rpi) { |
599 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
600 | return 0; | |
601 | } | |
602 | ||
dea3101e | 603 | /* Check config parameter use-adisc or FCP-2 */ |
3de2a653 | 604 | if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || |
92d7f7b0 JS |
605 | ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { |
606 | spin_lock_irq(shost->host_lock); | |
607 | ndlp->nlp_flag |= NLP_NPR_ADISC; | |
608 | spin_unlock_irq(shost->host_lock); | |
609 | return 1; | |
610 | } | |
611 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
612 | lpfc_unreg_rpi(vport, ndlp); | |
613 | return 0; | |
dea3101e JB |
614 | } |
615 | ||
616 | static uint32_t | |
2e0fef85 JS |
617 | lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
618 | void *arg, uint32_t evt) | |
dea3101e | 619 | { |
e8b62011 JS |
620 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
621 | "0253 Illegal State Transition: node x%x " | |
622 | "event x%x, state x%x Data: x%x x%x\n", | |
623 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
624 | ndlp->nlp_flag); | |
c9f8735b | 625 | return ndlp->nlp_state; |
dea3101e JB |
626 | } |
627 | ||
87af33fe JS |
628 | static uint32_t |
629 | lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
630 | void *arg, uint32_t evt) | |
631 | { | |
632 | /* This transition is only legal if we previously | |
633 | * rcv'ed a PLOGI. Since we don't want 2 discovery threads | |
634 | * working on the same NPortID, do nothing for this thread | |
635 | * to stop it. | |
636 | */ | |
637 | if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { | |
638 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, | |
639 | "0253 Illegal State Transition: node x%x " | |
640 | "event x%x, state x%x Data: x%x x%x\n", | |
641 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, | |
642 | ndlp->nlp_flag); | |
643 | } | |
644 | return ndlp->nlp_state; | |
645 | } | |
646 | ||
dea3101e JB |
647 | /* Start of Discovery State Machine routines */ |
648 | ||
649 | static uint32_t | |
2e0fef85 JS |
650 | lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
651 | void *arg, uint32_t evt) | |
dea3101e JB |
652 | { |
653 | struct lpfc_iocbq *cmdiocb; | |
654 | ||
655 | cmdiocb = (struct lpfc_iocbq *) arg; | |
656 | ||
2e0fef85 | 657 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
c9f8735b | 658 | return ndlp->nlp_state; |
dea3101e | 659 | } |
c9f8735b | 660 | return NLP_STE_FREED_NODE; |
dea3101e JB |
661 | } |
662 | ||
663 | static uint32_t | |
2e0fef85 JS |
664 | lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
665 | void *arg, uint32_t evt) | |
dea3101e | 666 | { |
2e0fef85 | 667 | lpfc_issue_els_logo(vport, ndlp, 0); |
c9f8735b | 668 | return ndlp->nlp_state; |
dea3101e JB |
669 | } |
670 | ||
671 | static uint32_t | |
2e0fef85 JS |
672 | lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
673 | void *arg, uint32_t evt) | |
dea3101e | 674 | { |
2e0fef85 JS |
675 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
676 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 677 | |
2e0fef85 | 678 | spin_lock_irq(shost->host_lock); |
dea3101e | 679 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 680 | spin_unlock_irq(shost->host_lock); |
51ef4c26 | 681 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 682 | |
c9f8735b | 683 | return ndlp->nlp_state; |
dea3101e JB |
684 | } |
685 | ||
686 | static uint32_t | |
2e0fef85 JS |
687 | lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
688 | void *arg, uint32_t evt) | |
dea3101e | 689 | { |
c9f8735b | 690 | return NLP_STE_FREED_NODE; |
dea3101e JB |
691 | } |
692 | ||
693 | static uint32_t | |
2e0fef85 JS |
694 | lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
695 | void *arg, uint32_t evt) | |
dea3101e | 696 | { |
c9f8735b | 697 | return NLP_STE_FREED_NODE; |
dea3101e JB |
698 | } |
699 | ||
700 | static uint32_t | |
2e0fef85 | 701 | lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
702 | void *arg, uint32_t evt) |
703 | { | |
2e0fef85 | 704 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 705 | struct lpfc_iocbq *cmdiocb = arg; |
2e0fef85 JS |
706 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
707 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
708 | struct serv_parm *sp = (struct serv_parm *) (lp + 1); | |
dea3101e JB |
709 | struct ls_rjt stat; |
710 | int port_cmp; | |
711 | ||
dea3101e JB |
712 | memset(&stat, 0, sizeof (struct ls_rjt)); |
713 | ||
714 | /* For a PLOGI, we only accept if our portname is less | |
715 | * than the remote portname. | |
716 | */ | |
717 | phba->fc_stat.elsLogiCol++; | |
2e0fef85 | 718 | port_cmp = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 719 | sizeof(struct lpfc_name)); |
dea3101e JB |
720 | |
721 | if (port_cmp >= 0) { | |
722 | /* Reject this request because the remote node will accept | |
723 | ours */ | |
724 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
725 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; | |
858c9f6c JS |
726 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
727 | NULL); | |
2fe165b6 | 728 | } else { |
2e0fef85 JS |
729 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
730 | } /* If our portname was less */ | |
dea3101e | 731 | |
c9f8735b JW |
732 | return ndlp->nlp_state; |
733 | } | |
734 | ||
92d7f7b0 JS |
735 | static uint32_t |
736 | lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
737 | void *arg, uint32_t evt) | |
738 | { | |
739 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
740 | struct ls_rjt stat; | |
741 | ||
742 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
743 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; | |
744 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 745 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
92d7f7b0 JS |
746 | return ndlp->nlp_state; |
747 | } | |
748 | ||
c9f8735b | 749 | static uint32_t |
2e0fef85 JS |
750 | lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
751 | void *arg, uint32_t evt) | |
c9f8735b | 752 | { |
2e0fef85 | 753 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
c9f8735b | 754 | |
92d7f7b0 | 755 | /* software abort outstanding PLOGI */ |
2e0fef85 | 756 | lpfc_els_abort(vport->phba, ndlp); |
c9f8735b | 757 | |
2e0fef85 | 758 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 759 | return ndlp->nlp_state; |
dea3101e JB |
760 | } |
761 | ||
762 | static uint32_t | |
2e0fef85 JS |
763 | lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
764 | void *arg, uint32_t evt) | |
dea3101e | 765 | { |
2e0fef85 JS |
766 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
767 | struct lpfc_hba *phba = vport->phba; | |
768 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
769 | |
770 | /* software abort outstanding PLOGI */ | |
07951076 | 771 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
772 | |
773 | if (evt == NLP_EVT_RCV_LOGO) { | |
51ef4c26 | 774 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
2fe165b6 | 775 | } else { |
2e0fef85 | 776 | lpfc_issue_els_logo(vport, ndlp, 0); |
dea3101e JB |
777 | } |
778 | ||
2e0fef85 | 779 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
5024ab17 | 780 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 781 | spin_lock_irq(shost->host_lock); |
5024ab17 | 782 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 783 | spin_unlock_irq(shost->host_lock); |
5024ab17 JW |
784 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
785 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 786 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 787 | |
c9f8735b | 788 | return ndlp->nlp_state; |
dea3101e JB |
789 | } |
790 | ||
791 | static uint32_t | |
2e0fef85 JS |
792 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, |
793 | struct lpfc_nodelist *ndlp, | |
794 | void *arg, | |
dea3101e JB |
795 | uint32_t evt) |
796 | { | |
2e0fef85 JS |
797 | struct lpfc_hba *phba = vport->phba; |
798 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
14691150 | 799 | struct lpfc_dmabuf *pcmd, *prsp, *mp; |
dea3101e JB |
800 | uint32_t *lp; |
801 | IOCB_t *irsp; | |
802 | struct serv_parm *sp; | |
803 | LPFC_MBOXQ_t *mbox; | |
804 | ||
805 | cmdiocb = (struct lpfc_iocbq *) arg; | |
806 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
807 | ||
808 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
5024ab17 | 809 | /* Recovery from PLOGI collision logic */ |
c9f8735b | 810 | return ndlp->nlp_state; |
dea3101e JB |
811 | } |
812 | ||
813 | irsp = &rspiocb->iocb; | |
814 | ||
815 | if (irsp->ulpStatus) | |
816 | goto out; | |
817 | ||
818 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
819 | ||
2e0fef85 | 820 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
dea3101e | 821 | |
2e0fef85 | 822 | lp = (uint32_t *) prsp->virt; |
dea3101e | 823 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
2e0fef85 | 824 | if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) |
dea3101e | 825 | goto out; |
dea3101e | 826 | /* PLOGI chkparm OK */ |
e8b62011 JS |
827 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
828 | "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", | |
829 | ndlp->nlp_DID, ndlp->nlp_state, | |
830 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
3de2a653 | 831 | if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) |
dea3101e | 832 | ndlp->nlp_fcp_info |= CLASS2; |
2e0fef85 | 833 | else |
dea3101e | 834 | ndlp->nlp_fcp_info |= CLASS3; |
2e0fef85 | 835 | |
dea3101e JB |
836 | ndlp->nlp_class_sup = 0; |
837 | if (sp->cls1.classValid) | |
838 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
839 | if (sp->cls2.classValid) | |
840 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
841 | if (sp->cls3.classValid) | |
842 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
843 | if (sp->cls4.classValid) | |
844 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
845 | ndlp->nlp_maxframe = | |
2e0fef85 | 846 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
dea3101e | 847 | |
2e0fef85 | 848 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
92d7f7b0 | 849 | if (!mbox) { |
e8b62011 JS |
850 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
851 | "0133 PLOGI: no memory for reg_login " | |
92d7f7b0 | 852 | "Data: x%x x%x x%x x%x\n", |
92d7f7b0 JS |
853 | ndlp->nlp_DID, ndlp->nlp_state, |
854 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e | 855 | goto out; |
92d7f7b0 | 856 | } |
dea3101e | 857 | |
2e0fef85 JS |
858 | lpfc_unreg_rpi(vport, ndlp); |
859 | ||
92d7f7b0 JS |
860 | if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID, |
861 | (uint8_t *) sp, mbox, 0) == 0) { | |
2fe165b6 | 862 | switch (ndlp->nlp_DID) { |
dea3101e | 863 | case NameServer_DID: |
de0c5b32 | 864 | mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; |
dea3101e JB |
865 | break; |
866 | case FDMI_DID: | |
de0c5b32 | 867 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; |
dea3101e JB |
868 | break; |
869 | default: | |
de0c5b32 | 870 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
dea3101e | 871 | } |
329f9bc7 | 872 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 873 | mbox->vport = vport; |
0b727fea | 874 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e | 875 | != MBX_NOT_FINISHED) { |
2e0fef85 JS |
876 | lpfc_nlp_set_state(vport, ndlp, |
877 | NLP_STE_REG_LOGIN_ISSUE); | |
c9f8735b | 878 | return ndlp->nlp_state; |
dea3101e | 879 | } |
329f9bc7 | 880 | lpfc_nlp_put(ndlp); |
92d7f7b0 | 881 | mp = (struct lpfc_dmabuf *) mbox->context1; |
14691150 JS |
882 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
883 | kfree(mp); | |
dea3101e | 884 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 885 | |
e8b62011 JS |
886 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
887 | "0134 PLOGI: cannot issue reg_login " | |
888 | "Data: x%x x%x x%x x%x\n", | |
889 | ndlp->nlp_DID, ndlp->nlp_state, | |
890 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
891 | } else { |
892 | mempool_free(mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 893 | |
e8b62011 JS |
894 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
895 | "0135 PLOGI: cannot format reg_login " | |
896 | "Data: x%x x%x x%x x%x\n", | |
897 | ndlp->nlp_DID, ndlp->nlp_state, | |
898 | ndlp->nlp_flag, ndlp->nlp_rpi); | |
dea3101e JB |
899 | } |
900 | ||
901 | ||
92d7f7b0 JS |
902 | out: |
903 | if (ndlp->nlp_DID == NameServer_DID) { | |
904 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
905 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
906 | "0261 Cannot Register NameServer login\n"); | |
92d7f7b0 JS |
907 | } |
908 | ||
dea3101e JB |
909 | /* Free this node since the driver cannot login or has the wrong |
910 | sparm */ | |
87af33fe | 911 | lpfc_nlp_not_used(ndlp); |
c9f8735b | 912 | return NLP_STE_FREED_NODE; |
dea3101e JB |
913 | } |
914 | ||
915 | static uint32_t | |
2e0fef85 JS |
916 | lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
917 | void *arg, uint32_t evt) | |
dea3101e | 918 | { |
2e0fef85 JS |
919 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
920 | ||
921 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
922 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 923 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 924 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 925 | return ndlp->nlp_state; |
2e0fef85 | 926 | } else { |
a0f9b48d | 927 | /* software abort outstanding PLOGI */ |
2e0fef85 | 928 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 929 | |
2e0fef85 | 930 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
931 | return NLP_STE_FREED_NODE; |
932 | } | |
dea3101e JB |
933 | } |
934 | ||
935 | static uint32_t | |
2e0fef85 JS |
936 | lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, |
937 | struct lpfc_nodelist *ndlp, | |
938 | void *arg, | |
939 | uint32_t evt) | |
dea3101e | 940 | { |
2e0fef85 JS |
941 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
942 | struct lpfc_hba *phba = vport->phba; | |
943 | ||
92d7f7b0 JS |
944 | /* Don't do anything that will mess up processing of the |
945 | * previous RSCN. | |
946 | */ | |
947 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
948 | return ndlp->nlp_state; | |
949 | ||
dea3101e | 950 | /* software abort outstanding PLOGI */ |
07951076 | 951 | lpfc_els_abort(phba, ndlp); |
dea3101e | 952 | |
5024ab17 | 953 | ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; |
2e0fef85 | 954 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 | 955 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 956 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 957 | spin_unlock_irq(shost->host_lock); |
dea3101e | 958 | |
c9f8735b | 959 | return ndlp->nlp_state; |
dea3101e JB |
960 | } |
961 | ||
962 | static uint32_t | |
2e0fef85 JS |
963 | lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
964 | void *arg, uint32_t evt) | |
dea3101e | 965 | { |
2e0fef85 | 966 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
967 | struct lpfc_iocbq *cmdiocb; |
968 | ||
969 | /* software abort outstanding ADISC */ | |
07951076 | 970 | lpfc_els_abort(phba, ndlp); |
dea3101e JB |
971 | |
972 | cmdiocb = (struct lpfc_iocbq *) arg; | |
973 | ||
2e0fef85 | 974 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) |
c9f8735b | 975 | return ndlp->nlp_state; |
2e0fef85 | 976 | |
5024ab17 | 977 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
978 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
979 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
dea3101e | 980 | |
c9f8735b | 981 | return ndlp->nlp_state; |
dea3101e JB |
982 | } |
983 | ||
984 | static uint32_t | |
2e0fef85 JS |
985 | lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
986 | void *arg, uint32_t evt) | |
dea3101e | 987 | { |
2e0fef85 | 988 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 989 | |
2e0fef85 | 990 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 991 | return ndlp->nlp_state; |
dea3101e JB |
992 | } |
993 | ||
994 | static uint32_t | |
2e0fef85 JS |
995 | lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
996 | void *arg, uint32_t evt) | |
dea3101e | 997 | { |
2e0fef85 | 998 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
999 | struct lpfc_iocbq *cmdiocb; |
1000 | ||
1001 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1002 | ||
1003 | /* software abort outstanding ADISC */ | |
07951076 | 1004 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1005 | |
2e0fef85 | 1006 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1007 | return ndlp->nlp_state; |
dea3101e JB |
1008 | } |
1009 | ||
1010 | static uint32_t | |
2e0fef85 JS |
1011 | lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, |
1012 | struct lpfc_nodelist *ndlp, | |
1013 | void *arg, uint32_t evt) | |
dea3101e JB |
1014 | { |
1015 | struct lpfc_iocbq *cmdiocb; | |
1016 | ||
1017 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1018 | ||
2e0fef85 | 1019 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1020 | return ndlp->nlp_state; |
dea3101e JB |
1021 | } |
1022 | ||
1023 | static uint32_t | |
2e0fef85 JS |
1024 | lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1025 | void *arg, uint32_t evt) | |
dea3101e JB |
1026 | { |
1027 | struct lpfc_iocbq *cmdiocb; | |
1028 | ||
1029 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1030 | ||
1031 | /* Treat like rcv logo */ | |
2e0fef85 | 1032 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1033 | return ndlp->nlp_state; |
dea3101e JB |
1034 | } |
1035 | ||
1036 | static uint32_t | |
2e0fef85 JS |
1037 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, |
1038 | struct lpfc_nodelist *ndlp, | |
1039 | void *arg, uint32_t evt) | |
dea3101e | 1040 | { |
2e0fef85 JS |
1041 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1042 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1043 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
1044 | IOCB_t *irsp; | |
1045 | ADISC *ap; | |
1046 | ||
1047 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1048 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1049 | ||
1050 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1051 | irsp = &rspiocb->iocb; | |
1052 | ||
1053 | if ((irsp->ulpStatus) || | |
92d7f7b0 | 1054 | (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { |
dea3101e JB |
1055 | /* 1 sec timeout */ |
1056 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1057 | spin_lock_irq(shost->host_lock); |
dea3101e | 1058 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1059 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1060 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1061 | |
2e0fef85 JS |
1062 | memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); |
1063 | memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); | |
dea3101e | 1064 | |
5024ab17 | 1065 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1066 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1067 | lpfc_unreg_rpi(vport, ndlp); | |
c9f8735b | 1068 | return ndlp->nlp_state; |
dea3101e | 1069 | } |
5024ab17 | 1070 | |
2501322e | 1071 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
5024ab17 | 1072 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1073 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); |
2501322e | 1074 | } else { |
5024ab17 | 1075 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 | 1076 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
2501322e | 1077 | } |
c9f8735b | 1078 | return ndlp->nlp_state; |
dea3101e JB |
1079 | } |
1080 | ||
1081 | static uint32_t | |
2e0fef85 JS |
1082 | lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1083 | void *arg, uint32_t evt) | |
dea3101e | 1084 | { |
2e0fef85 JS |
1085 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1086 | ||
1087 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1088 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1089 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1090 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1091 | return ndlp->nlp_state; |
2e0fef85 | 1092 | } else { |
a0f9b48d | 1093 | /* software abort outstanding ADISC */ |
2e0fef85 | 1094 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1095 | |
2e0fef85 | 1096 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1097 | return NLP_STE_FREED_NODE; |
1098 | } | |
dea3101e JB |
1099 | } |
1100 | ||
1101 | static uint32_t | |
2e0fef85 JS |
1102 | lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, |
1103 | struct lpfc_nodelist *ndlp, | |
1104 | void *arg, | |
1105 | uint32_t evt) | |
dea3101e | 1106 | { |
2e0fef85 JS |
1107 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1108 | struct lpfc_hba *phba = vport->phba; | |
1109 | ||
92d7f7b0 JS |
1110 | /* Don't do anything that will mess up processing of the |
1111 | * previous RSCN. | |
1112 | */ | |
1113 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1114 | return ndlp->nlp_state; | |
1115 | ||
dea3101e | 1116 | /* software abort outstanding ADISC */ |
07951076 | 1117 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1118 | |
5024ab17 | 1119 | ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; |
2e0fef85 JS |
1120 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1121 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1122 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1123 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1124 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1125 | return ndlp->nlp_state; |
dea3101e JB |
1126 | } |
1127 | ||
1128 | static uint32_t | |
2e0fef85 JS |
1129 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, |
1130 | struct lpfc_nodelist *ndlp, | |
1131 | void *arg, | |
dea3101e JB |
1132 | uint32_t evt) |
1133 | { | |
2e0fef85 | 1134 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1135 | |
2e0fef85 | 1136 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1137 | return ndlp->nlp_state; |
dea3101e JB |
1138 | } |
1139 | ||
1140 | static uint32_t | |
2e0fef85 JS |
1141 | lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, |
1142 | struct lpfc_nodelist *ndlp, | |
1143 | void *arg, | |
dea3101e JB |
1144 | uint32_t evt) |
1145 | { | |
2e0fef85 | 1146 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1147 | |
2e0fef85 | 1148 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1149 | return ndlp->nlp_state; |
dea3101e JB |
1150 | } |
1151 | ||
1152 | static uint32_t | |
2e0fef85 JS |
1153 | lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, |
1154 | struct lpfc_nodelist *ndlp, | |
1155 | void *arg, | |
dea3101e JB |
1156 | uint32_t evt) |
1157 | { | |
2e0fef85 JS |
1158 | struct lpfc_hba *phba = vport->phba; |
1159 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
7054a606 JS |
1160 | LPFC_MBOXQ_t *mb; |
1161 | LPFC_MBOXQ_t *nextmb; | |
1162 | struct lpfc_dmabuf *mp; | |
dea3101e JB |
1163 | |
1164 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1165 | ||
7054a606 JS |
1166 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1167 | if ((mb = phba->sli.mbox_active)) { | |
1168 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1169 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
92d7f7b0 | 1170 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1171 | mb->context2 = NULL; |
1172 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1173 | } | |
1174 | } | |
1175 | ||
2e0fef85 | 1176 | spin_lock_irq(&phba->hbalock); |
7054a606 JS |
1177 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1178 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1179 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1180 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1181 | if (mp) { | |
98c9ea5c | 1182 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
7054a606 JS |
1183 | kfree(mp); |
1184 | } | |
92d7f7b0 | 1185 | lpfc_nlp_put(ndlp); |
7054a606 JS |
1186 | list_del(&mb->list); |
1187 | mempool_free(mb, phba->mbox_mem_pool); | |
1188 | } | |
1189 | } | |
2e0fef85 | 1190 | spin_unlock_irq(&phba->hbalock); |
7054a606 | 1191 | |
2e0fef85 | 1192 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1193 | return ndlp->nlp_state; |
dea3101e JB |
1194 | } |
1195 | ||
1196 | static uint32_t | |
2e0fef85 JS |
1197 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, |
1198 | struct lpfc_nodelist *ndlp, | |
1199 | void *arg, | |
dea3101e JB |
1200 | uint32_t evt) |
1201 | { | |
2e0fef85 | 1202 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1203 | |
2e0fef85 | 1204 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1205 | return ndlp->nlp_state; |
dea3101e JB |
1206 | } |
1207 | ||
1208 | static uint32_t | |
2e0fef85 JS |
1209 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, |
1210 | struct lpfc_nodelist *ndlp, | |
1211 | void *arg, | |
dea3101e JB |
1212 | uint32_t evt) |
1213 | { | |
1214 | struct lpfc_iocbq *cmdiocb; | |
1215 | ||
1216 | cmdiocb = (struct lpfc_iocbq *) arg; | |
51ef4c26 | 1217 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1218 | return ndlp->nlp_state; |
dea3101e JB |
1219 | } |
1220 | ||
1221 | static uint32_t | |
2e0fef85 JS |
1222 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, |
1223 | struct lpfc_nodelist *ndlp, | |
1224 | void *arg, | |
1225 | uint32_t evt) | |
dea3101e | 1226 | { |
2e0fef85 | 1227 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
1228 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
1229 | MAILBOX_t *mb = &pmb->mb; | |
1230 | uint32_t did = mb->un.varWords[1]; | |
dea3101e | 1231 | |
dea3101e JB |
1232 | if (mb->mbxStatus) { |
1233 | /* RegLogin failed */ | |
e8b62011 JS |
1234 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1235 | "0246 RegLogin failed Data: x%x x%x x%x\n", | |
2e0fef85 | 1236 | did, mb->mbxStatus, vport->port_state); |
d0e56dad JS |
1237 | /* |
1238 | * If RegLogin failed due to lack of HBA resources do not | |
1239 | * retry discovery. | |
1240 | */ | |
1241 | if (mb->mbxStatus == MBXERR_RPI_FULL) { | |
87af33fe JS |
1242 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
1243 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
d0e56dad JS |
1244 | return ndlp->nlp_state; |
1245 | } | |
1246 | ||
2e0fef85 | 1247 | /* Put ndlp in npr state set plogi timer for 1 sec */ |
dea3101e | 1248 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1249 | spin_lock_irq(shost->host_lock); |
dea3101e | 1250 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1251 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1252 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
dea3101e | 1253 | |
2e0fef85 | 1254 | lpfc_issue_els_logo(vport, ndlp, 0); |
5024ab17 | 1255 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1256 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
c9f8735b | 1257 | return ndlp->nlp_state; |
dea3101e JB |
1258 | } |
1259 | ||
dea3101e | 1260 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e JB |
1261 | |
1262 | /* Only if we are not a fabric nport do we issue PRLI */ | |
1263 | if (!(ndlp->nlp_type & NLP_FABRIC)) { | |
5024ab17 | 1264 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1265 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1266 | lpfc_issue_els_prli(vport, ndlp, 0); | |
dea3101e | 1267 | } else { |
5024ab17 | 1268 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 | 1269 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1270 | } |
c9f8735b | 1271 | return ndlp->nlp_state; |
dea3101e JB |
1272 | } |
1273 | ||
1274 | static uint32_t | |
2e0fef85 JS |
1275 | lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, |
1276 | struct lpfc_nodelist *ndlp, | |
1277 | void *arg, | |
dea3101e JB |
1278 | uint32_t evt) |
1279 | { | |
2e0fef85 JS |
1280 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1281 | ||
1282 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1283 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1284 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1285 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1286 | return ndlp->nlp_state; |
2e0fef85 JS |
1287 | } else { |
1288 | lpfc_drop_node(vport, ndlp); | |
a0f9b48d JS |
1289 | return NLP_STE_FREED_NODE; |
1290 | } | |
dea3101e JB |
1291 | } |
1292 | ||
1293 | static uint32_t | |
2e0fef85 JS |
1294 | lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, |
1295 | struct lpfc_nodelist *ndlp, | |
1296 | void *arg, | |
1297 | uint32_t evt) | |
dea3101e | 1298 | { |
2e0fef85 JS |
1299 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1300 | ||
92d7f7b0 JS |
1301 | /* Don't do anything that will mess up processing of the |
1302 | * previous RSCN. | |
1303 | */ | |
1304 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1305 | return ndlp->nlp_state; | |
1306 | ||
5024ab17 | 1307 | ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; |
2e0fef85 JS |
1308 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1309 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1310 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1311 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1312 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1313 | return ndlp->nlp_state; |
dea3101e JB |
1314 | } |
1315 | ||
1316 | static uint32_t | |
2e0fef85 JS |
1317 | lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1318 | void *arg, uint32_t evt) | |
dea3101e JB |
1319 | { |
1320 | struct lpfc_iocbq *cmdiocb; | |
1321 | ||
1322 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1323 | ||
2e0fef85 | 1324 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1325 | return ndlp->nlp_state; |
dea3101e JB |
1326 | } |
1327 | ||
1328 | static uint32_t | |
2e0fef85 JS |
1329 | lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1330 | void *arg, uint32_t evt) | |
dea3101e | 1331 | { |
2e0fef85 | 1332 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1333 | |
2e0fef85 | 1334 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1335 | return ndlp->nlp_state; |
dea3101e JB |
1336 | } |
1337 | ||
1338 | static uint32_t | |
2e0fef85 JS |
1339 | lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1340 | void *arg, uint32_t evt) | |
dea3101e | 1341 | { |
2e0fef85 | 1342 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e JB |
1343 | |
1344 | /* Software abort outstanding PRLI before sending acc */ | |
2e0fef85 | 1345 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1346 | |
2e0fef85 | 1347 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1348 | return ndlp->nlp_state; |
dea3101e JB |
1349 | } |
1350 | ||
1351 | static uint32_t | |
2e0fef85 JS |
1352 | lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1353 | void *arg, uint32_t evt) | |
dea3101e | 1354 | { |
2e0fef85 | 1355 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1356 | |
2e0fef85 | 1357 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1358 | return ndlp->nlp_state; |
dea3101e JB |
1359 | } |
1360 | ||
1361 | /* This routine is envoked when we rcv a PRLO request from a nport | |
1362 | * we are logged into. We should send back a PRLO rsp setting the | |
1363 | * appropriate bits. | |
1364 | * NEXT STATE = PRLI_ISSUE | |
1365 | */ | |
1366 | static uint32_t | |
2e0fef85 JS |
1367 | lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1368 | void *arg, uint32_t evt) | |
dea3101e | 1369 | { |
2e0fef85 | 1370 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1371 | |
51ef4c26 | 1372 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1373 | return ndlp->nlp_state; |
dea3101e JB |
1374 | } |
1375 | ||
1376 | static uint32_t | |
2e0fef85 JS |
1377 | lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1378 | void *arg, uint32_t evt) | |
dea3101e | 1379 | { |
92d7f7b0 | 1380 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1381 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
2e0fef85 | 1382 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1383 | IOCB_t *irsp; |
1384 | PRLI *npr; | |
1385 | ||
1386 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1387 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
1388 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); | |
1389 | ||
1390 | irsp = &rspiocb->iocb; | |
1391 | if (irsp->ulpStatus) { | |
858c9f6c | 1392 | if ((vport->port_type == LPFC_NPIV_PORT) && |
3de2a653 | 1393 | vport->cfg_restrict_login) { |
858c9f6c JS |
1394 | goto out; |
1395 | } | |
5024ab17 | 1396 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 | 1397 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
c9f8735b | 1398 | return ndlp->nlp_state; |
dea3101e JB |
1399 | } |
1400 | ||
1401 | /* Check out PRLI rsp */ | |
1402 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1403 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
1404 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && | |
1405 | (npr->prliType == PRLI_FCP_TYPE)) { | |
1406 | if (npr->initiatorFunc) | |
1407 | ndlp->nlp_type |= NLP_FCP_INITIATOR; | |
1408 | if (npr->targetFunc) | |
1409 | ndlp->nlp_type |= NLP_FCP_TARGET; | |
1410 | if (npr->Retry) | |
1411 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; | |
1412 | } | |
92d7f7b0 JS |
1413 | if (!(ndlp->nlp_type & NLP_FCP_TARGET) && |
1414 | (vport->port_type == LPFC_NPIV_PORT) && | |
3de2a653 | 1415 | vport->cfg_restrict_login) { |
858c9f6c | 1416 | out: |
92d7f7b0 JS |
1417 | spin_lock_irq(shost->host_lock); |
1418 | ndlp->nlp_flag |= NLP_TARGET_REMOVE; | |
1419 | spin_unlock_irq(shost->host_lock); | |
1420 | lpfc_issue_els_logo(vport, ndlp, 0); | |
1421 | ||
1422 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; | |
87af33fe | 1423 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92d7f7b0 JS |
1424 | return ndlp->nlp_state; |
1425 | } | |
dea3101e | 1426 | |
5024ab17 | 1427 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
92d7f7b0 JS |
1428 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
1429 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); | |
1430 | else | |
1431 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
c9f8735b | 1432 | return ndlp->nlp_state; |
dea3101e JB |
1433 | } |
1434 | ||
1435 | /*! lpfc_device_rm_prli_issue | |
92d7f7b0 JS |
1436 | * |
1437 | * \pre | |
1438 | * \post | |
1439 | * \param phba | |
1440 | * \param ndlp | |
1441 | * \param arg | |
1442 | * \param evt | |
1443 | * \return uint32_t | |
1444 | * | |
1445 | * \b Description: | |
1446 | * This routine is envoked when we a request to remove a nport we are in the | |
1447 | * process of PRLIing. We should software abort outstanding prli, unreg | |
1448 | * login, send a logout. We will change node state to UNUSED_NODE, put it | |
1449 | * on plogi list so it can be freed when LOGO completes. | |
1450 | * | |
1451 | */ | |
1452 | ||
dea3101e | 1453 | static uint32_t |
2e0fef85 JS |
1454 | lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1455 | void *arg, uint32_t evt) | |
dea3101e | 1456 | { |
2e0fef85 JS |
1457 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1458 | ||
1459 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1460 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1461 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1462 | spin_unlock_irq(shost->host_lock); |
a0f9b48d | 1463 | return ndlp->nlp_state; |
2e0fef85 | 1464 | } else { |
a0f9b48d | 1465 | /* software abort outstanding PLOGI */ |
2e0fef85 | 1466 | lpfc_els_abort(vport->phba, ndlp); |
dea3101e | 1467 | |
2e0fef85 | 1468 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1469 | return NLP_STE_FREED_NODE; |
1470 | } | |
dea3101e JB |
1471 | } |
1472 | ||
1473 | ||
1474 | /*! lpfc_device_recov_prli_issue | |
92d7f7b0 JS |
1475 | * |
1476 | * \pre | |
1477 | * \post | |
1478 | * \param phba | |
1479 | * \param ndlp | |
1480 | * \param arg | |
1481 | * \param evt | |
1482 | * \return uint32_t | |
1483 | * | |
1484 | * \b Description: | |
1485 | * The routine is envoked when the state of a device is unknown, like | |
1486 | * during a link down. We should remove the nodelist entry from the | |
1487 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the | |
1488 | * outstanding PRLI command, then free the node entry. | |
1489 | */ | |
dea3101e | 1490 | static uint32_t |
2e0fef85 JS |
1491 | lpfc_device_recov_prli_issue(struct lpfc_vport *vport, |
1492 | struct lpfc_nodelist *ndlp, | |
1493 | void *arg, | |
1494 | uint32_t evt) | |
dea3101e | 1495 | { |
2e0fef85 JS |
1496 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1497 | struct lpfc_hba *phba = vport->phba; | |
1498 | ||
92d7f7b0 JS |
1499 | /* Don't do anything that will mess up processing of the |
1500 | * previous RSCN. | |
1501 | */ | |
1502 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1503 | return ndlp->nlp_state; | |
1504 | ||
dea3101e | 1505 | /* software abort outstanding PRLI */ |
07951076 | 1506 | lpfc_els_abort(phba, ndlp); |
dea3101e | 1507 | |
5024ab17 | 1508 | ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; |
2e0fef85 JS |
1509 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1510 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1511 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1512 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 1513 | lpfc_disc_set_adisc(vport, ndlp); |
c9f8735b | 1514 | return ndlp->nlp_state; |
dea3101e JB |
1515 | } |
1516 | ||
1517 | static uint32_t | |
2e0fef85 JS |
1518 | lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1519 | void *arg, uint32_t evt) | |
dea3101e | 1520 | { |
2e0fef85 | 1521 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1522 | |
2e0fef85 | 1523 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1524 | return ndlp->nlp_state; |
dea3101e JB |
1525 | } |
1526 | ||
1527 | static uint32_t | |
2e0fef85 JS |
1528 | lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1529 | void *arg, uint32_t evt) | |
dea3101e | 1530 | { |
2e0fef85 | 1531 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1532 | |
2e0fef85 JS |
1533 | lpfc_rcv_prli(vport, ndlp, cmdiocb); |
1534 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); | |
c9f8735b | 1535 | return ndlp->nlp_state; |
dea3101e JB |
1536 | } |
1537 | ||
1538 | static uint32_t | |
2e0fef85 JS |
1539 | lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1540 | void *arg, uint32_t evt) | |
dea3101e | 1541 | { |
2e0fef85 | 1542 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1543 | |
2e0fef85 | 1544 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1545 | return ndlp->nlp_state; |
dea3101e JB |
1546 | } |
1547 | ||
1548 | static uint32_t | |
2e0fef85 JS |
1549 | lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1550 | void *arg, uint32_t evt) | |
dea3101e | 1551 | { |
2e0fef85 | 1552 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1553 | |
2e0fef85 | 1554 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1555 | return ndlp->nlp_state; |
dea3101e JB |
1556 | } |
1557 | ||
1558 | static uint32_t | |
2e0fef85 JS |
1559 | lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1560 | void *arg, uint32_t evt) | |
dea3101e | 1561 | { |
2e0fef85 | 1562 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1563 | |
51ef4c26 | 1564 | lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); |
c9f8735b | 1565 | return ndlp->nlp_state; |
dea3101e JB |
1566 | } |
1567 | ||
1568 | static uint32_t | |
2e0fef85 JS |
1569 | lpfc_device_recov_unmap_node(struct lpfc_vport *vport, |
1570 | struct lpfc_nodelist *ndlp, | |
1571 | void *arg, | |
1572 | uint32_t evt) | |
dea3101e | 1573 | { |
2e0fef85 JS |
1574 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1575 | ||
5024ab17 | 1576 | ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; |
2e0fef85 JS |
1577 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1578 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1579 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1580 | spin_unlock_irq(shost->host_lock); |
1581 | lpfc_disc_set_adisc(vport, ndlp); | |
dea3101e | 1582 | |
c9f8735b | 1583 | return ndlp->nlp_state; |
dea3101e JB |
1584 | } |
1585 | ||
1586 | static uint32_t | |
2e0fef85 JS |
1587 | lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1588 | void *arg, uint32_t evt) | |
dea3101e | 1589 | { |
2e0fef85 | 1590 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1591 | |
2e0fef85 | 1592 | lpfc_rcv_plogi(vport, ndlp, cmdiocb); |
c9f8735b | 1593 | return ndlp->nlp_state; |
dea3101e JB |
1594 | } |
1595 | ||
1596 | static uint32_t | |
2e0fef85 JS |
1597 | lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1598 | void *arg, uint32_t evt) | |
dea3101e | 1599 | { |
2e0fef85 | 1600 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1601 | |
2e0fef85 | 1602 | lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); |
c9f8735b | 1603 | return ndlp->nlp_state; |
dea3101e JB |
1604 | } |
1605 | ||
1606 | static uint32_t | |
2e0fef85 JS |
1607 | lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1608 | void *arg, uint32_t evt) | |
dea3101e | 1609 | { |
2e0fef85 | 1610 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1611 | |
2e0fef85 | 1612 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1613 | return ndlp->nlp_state; |
dea3101e JB |
1614 | } |
1615 | ||
1616 | static uint32_t | |
2e0fef85 JS |
1617 | lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, |
1618 | struct lpfc_nodelist *ndlp, | |
1619 | void *arg, uint32_t evt) | |
dea3101e | 1620 | { |
2e0fef85 | 1621 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1622 | |
2e0fef85 | 1623 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
c9f8735b | 1624 | return ndlp->nlp_state; |
dea3101e JB |
1625 | } |
1626 | ||
1627 | static uint32_t | |
2e0fef85 JS |
1628 | lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1629 | void *arg, uint32_t evt) | |
dea3101e | 1630 | { |
2e0fef85 JS |
1631 | struct lpfc_hba *phba = vport->phba; |
1632 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1633 | |
1634 | /* flush the target */ | |
51ef4c26 JS |
1635 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
1636 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e JB |
1637 | |
1638 | /* Treat like rcv logo */ | |
2e0fef85 | 1639 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); |
c9f8735b | 1640 | return ndlp->nlp_state; |
dea3101e JB |
1641 | } |
1642 | ||
1643 | static uint32_t | |
2e0fef85 JS |
1644 | lpfc_device_recov_mapped_node(struct lpfc_vport *vport, |
1645 | struct lpfc_nodelist *ndlp, | |
1646 | void *arg, | |
1647 | uint32_t evt) | |
dea3101e | 1648 | { |
2e0fef85 JS |
1649 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1650 | ||
5024ab17 | 1651 | ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; |
2e0fef85 JS |
1652 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1653 | spin_lock_irq(shost->host_lock); | |
a0f9b48d | 1654 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 JS |
1655 | spin_unlock_irq(shost->host_lock); |
1656 | lpfc_disc_set_adisc(vport, ndlp); | |
c9f8735b | 1657 | return ndlp->nlp_state; |
dea3101e JB |
1658 | } |
1659 | ||
1660 | static uint32_t | |
2e0fef85 JS |
1661 | lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1662 | void *arg, uint32_t evt) | |
dea3101e | 1663 | { |
2e0fef85 JS |
1664 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1665 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e JB |
1666 | |
1667 | /* Ignore PLOGI if we have an outstanding LOGO */ | |
858c9f6c | 1668 | if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) { |
c9f8735b | 1669 | return ndlp->nlp_state; |
dea3101e JB |
1670 | } |
1671 | ||
2e0fef85 JS |
1672 | if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { |
1673 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1674 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1675 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1676 | return ndlp->nlp_state; |
dea3101e JB |
1677 | } |
1678 | ||
1679 | /* send PLOGI immediately, move to PLOGI issue state */ | |
1680 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
488d1469 | 1681 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1682 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1683 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e | 1684 | } |
488d1469 | 1685 | |
c9f8735b | 1686 | return ndlp->nlp_state; |
dea3101e JB |
1687 | } |
1688 | ||
1689 | static uint32_t | |
2e0fef85 JS |
1690 | lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1691 | void *arg, uint32_t evt) | |
dea3101e | 1692 | { |
2e0fef85 JS |
1693 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1694 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
1695 | struct ls_rjt stat; | |
dea3101e JB |
1696 | |
1697 | memset(&stat, 0, sizeof (struct ls_rjt)); | |
1698 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1699 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; | |
858c9f6c | 1700 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
dea3101e JB |
1701 | |
1702 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1703 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { | |
2e0fef85 | 1704 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1705 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1706 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1707 | spin_unlock_irq(shost->host_lock); |
1708 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); | |
1709 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1710 | } else { |
5024ab17 | 1711 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1712 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1713 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1714 | } |
1715 | } | |
c9f8735b | 1716 | return ndlp->nlp_state; |
dea3101e JB |
1717 | } |
1718 | ||
1719 | static uint32_t | |
2e0fef85 JS |
1720 | lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1721 | void *arg, uint32_t evt) | |
dea3101e | 1722 | { |
2e0fef85 | 1723 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1724 | |
2e0fef85 | 1725 | lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); |
c9f8735b | 1726 | return ndlp->nlp_state; |
dea3101e JB |
1727 | } |
1728 | ||
1729 | static uint32_t | |
2e0fef85 JS |
1730 | lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1731 | void *arg, uint32_t evt) | |
dea3101e | 1732 | { |
2e0fef85 | 1733 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; |
dea3101e | 1734 | |
2e0fef85 | 1735 | lpfc_rcv_padisc(vport, ndlp, cmdiocb); |
dea3101e | 1736 | |
33ccf8d1 JS |
1737 | /* |
1738 | * Do not start discovery if discovery is about to start | |
1739 | * or discovery in progress for this node. Starting discovery | |
1740 | * here will affect the counting of discovery threads. | |
1741 | */ | |
2fb9bd8b | 1742 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && |
92d7f7b0 | 1743 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { |
dea3101e | 1744 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
92d7f7b0 | 1745 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
5024ab17 | 1746 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1747 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1748 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
dea3101e | 1749 | } else { |
5024ab17 | 1750 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
2e0fef85 JS |
1751 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
1752 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
dea3101e JB |
1753 | } |
1754 | } | |
c9f8735b | 1755 | return ndlp->nlp_state; |
dea3101e JB |
1756 | } |
1757 | ||
1758 | static uint32_t | |
2e0fef85 JS |
1759 | lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1760 | void *arg, uint32_t evt) | |
dea3101e | 1761 | { |
2e0fef85 JS |
1762 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1763 | struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; | |
dea3101e | 1764 | |
2e0fef85 | 1765 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1766 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
2e0fef85 | 1767 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1768 | |
51ef4c26 | 1769 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 1770 | |
2e0fef85 | 1771 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { |
c9f8735b | 1772 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
2e0fef85 | 1773 | spin_lock_irq(shost->host_lock); |
c9f8735b JW |
1774 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
1775 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2e0fef85 | 1776 | spin_unlock_irq(shost->host_lock); |
5024ab17 | 1777 | ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; |
c9f8735b | 1778 | } else { |
2e0fef85 | 1779 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1780 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1781 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1782 | } |
c9f8735b JW |
1783 | return ndlp->nlp_state; |
1784 | } | |
dea3101e | 1785 | |
c9f8735b | 1786 | static uint32_t |
2e0fef85 JS |
1787 | lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1788 | void *arg, uint32_t evt) | |
c9f8735b JW |
1789 | { |
1790 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1791 | IOCB_t *irsp; |
c9f8735b JW |
1792 | |
1793 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1794 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1795 | |
1796 | irsp = &rspiocb->iocb; | |
1797 | if (irsp->ulpStatus) { | |
87af33fe | 1798 | lpfc_nlp_not_used(ndlp); |
a0f9b48d JS |
1799 | return NLP_STE_FREED_NODE; |
1800 | } | |
c9f8735b JW |
1801 | return ndlp->nlp_state; |
1802 | } | |
1803 | ||
1804 | static uint32_t | |
2e0fef85 JS |
1805 | lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1806 | void *arg, uint32_t evt) | |
c9f8735b JW |
1807 | { |
1808 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1809 | IOCB_t *irsp; |
c9f8735b JW |
1810 | |
1811 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1812 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1813 | |
1814 | irsp = &rspiocb->iocb; | |
1815 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1816 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1817 | return NLP_STE_FREED_NODE; |
1818 | } | |
c9f8735b | 1819 | return ndlp->nlp_state; |
dea3101e JB |
1820 | } |
1821 | ||
1822 | static uint32_t | |
2e0fef85 JS |
1823 | lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1824 | void *arg, uint32_t evt) | |
dea3101e | 1825 | { |
2e0fef85 | 1826 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1827 | /* This routine does nothing, just return the current state */ |
c9f8735b JW |
1828 | return ndlp->nlp_state; |
1829 | } | |
1830 | ||
1831 | static uint32_t | |
2e0fef85 JS |
1832 | lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1833 | void *arg, uint32_t evt) | |
c9f8735b JW |
1834 | { |
1835 | struct lpfc_iocbq *cmdiocb, *rspiocb; | |
a0f9b48d | 1836 | IOCB_t *irsp; |
c9f8735b JW |
1837 | |
1838 | cmdiocb = (struct lpfc_iocbq *) arg; | |
1839 | rspiocb = cmdiocb->context_un.rsp_iocb; | |
a0f9b48d JS |
1840 | |
1841 | irsp = &rspiocb->iocb; | |
1842 | if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { | |
2e0fef85 | 1843 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1844 | return NLP_STE_FREED_NODE; |
1845 | } | |
c9f8735b | 1846 | return ndlp->nlp_state; |
dea3101e JB |
1847 | } |
1848 | ||
1849 | static uint32_t | |
2e0fef85 JS |
1850 | lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, |
1851 | struct lpfc_nodelist *ndlp, | |
1852 | void *arg, uint32_t evt) | |
dea3101e | 1853 | { |
2e0fef85 JS |
1854 | LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; |
1855 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 1856 | |
c9f8735b JW |
1857 | if (!mb->mbxStatus) |
1858 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
a0f9b48d JS |
1859 | else { |
1860 | if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { | |
2e0fef85 | 1861 | lpfc_drop_node(vport, ndlp); |
a0f9b48d JS |
1862 | return NLP_STE_FREED_NODE; |
1863 | } | |
1864 | } | |
c9f8735b | 1865 | return ndlp->nlp_state; |
dea3101e JB |
1866 | } |
1867 | ||
1868 | static uint32_t | |
2e0fef85 JS |
1869 | lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1870 | void *arg, uint32_t evt) | |
dea3101e | 1871 | { |
2e0fef85 JS |
1872 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1873 | ||
a0f9b48d | 1874 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 1875 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1876 | ndlp->nlp_flag |= NLP_NODEV_REMOVE; |
2e0fef85 | 1877 | spin_unlock_irq(shost->host_lock); |
a0f9b48d JS |
1878 | return ndlp->nlp_state; |
1879 | } | |
2e0fef85 | 1880 | lpfc_drop_node(vport, ndlp); |
c9f8735b | 1881 | return NLP_STE_FREED_NODE; |
dea3101e JB |
1882 | } |
1883 | ||
1884 | static uint32_t | |
2e0fef85 JS |
1885 | lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1886 | void *arg, uint32_t evt) | |
dea3101e | 1887 | { |
2e0fef85 JS |
1888 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1889 | ||
92d7f7b0 JS |
1890 | /* Don't do anything that will mess up processing of the |
1891 | * previous RSCN. | |
1892 | */ | |
1893 | if (vport->fc_flag & FC_RSCN_DEFERRED) | |
1894 | return ndlp->nlp_state; | |
1895 | ||
2e0fef85 | 1896 | spin_lock_irq(shost->host_lock); |
a0f9b48d | 1897 | ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); |
2e0fef85 | 1898 | spin_unlock_irq(shost->host_lock); |
6ad42535 | 1899 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
2e0fef85 | 1900 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
6ad42535 | 1901 | } |
c9f8735b | 1902 | return ndlp->nlp_state; |
dea3101e JB |
1903 | } |
1904 | ||
1905 | ||
1906 | /* This next section defines the NPort Discovery State Machine */ | |
1907 | ||
1908 | /* There are 4 different double linked lists nodelist entries can reside on. | |
1909 | * The plogi list and adisc list are used when Link Up discovery or RSCN | |
1910 | * processing is needed. Each list holds the nodes that we will send PLOGI | |
1911 | * or ADISC on. These lists will keep track of what nodes will be effected | |
1912 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). | |
1913 | * The unmapped_list will contain all nodes that we have successfully logged | |
1914 | * into at the Fibre Channel level. The mapped_list will contain all nodes | |
1915 | * that are mapped FCP targets. | |
1916 | */ | |
1917 | /* | |
1918 | * The bind list is a list of undiscovered (potentially non-existent) nodes | |
1919 | * that we have saved binding information on. This information is used when | |
1920 | * nodes transition from the unmapped to the mapped list. | |
1921 | */ | |
1922 | /* For UNUSED_NODE state, the node has just been allocated . | |
1923 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on | |
1924 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list | |
1925 | * and put on the unmapped list. For ADISC processing, the node is taken off | |
1926 | * the ADISC list and placed on either the mapped or unmapped list (depending | |
1927 | * on its previous state). Once on the unmapped list, a PRLI is issued and the | |
1928 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is | |
1929 | * changed to UNMAPPED_NODE. If the completion indicates a mapped | |
1930 | * node, the node is taken off the unmapped list. The binding list is checked | |
1931 | * for a valid binding, or a binding is automatically assigned. If binding | |
1932 | * assignment is unsuccessful, the node is left on the unmapped list. If | |
1933 | * binding assignment is successful, the associated binding list entry (if | |
1934 | * any) is removed, and the node is placed on the mapped list. | |
1935 | */ | |
1936 | /* | |
1937 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped | |
c01f3208 | 1938 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers |
dea3101e JB |
1939 | * expire, all effected nodes will receive a DEVICE_RM event. |
1940 | */ | |
1941 | /* | |
1942 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists | |
1943 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap | |
1944 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from | |
1945 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, | |
1946 | * we will first process the ADISC list. 32 entries are processed initially and | |
1947 | * ADISC is initited for each one. Completions / Events for each node are | |
1948 | * funnelled thru the state machine. As each node finishes ADISC processing, it | |
1949 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are | |
1950 | * waiting, and the ADISC list count is identically 0, then we are done. For | |
1951 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we | |
1952 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI | |
1953 | * list. 32 entries are processed initially and PLOGI is initited for each one. | |
1954 | * Completions / Events for each node are funnelled thru the state machine. As | |
1955 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting | |
1956 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is | |
1957 | * indentically 0, then we are done. We have now completed discovery / RSCN | |
1958 | * handling. Upon completion, ALL nodes should be on either the mapped or | |
1959 | * unmapped lists. | |
1960 | */ | |
1961 | ||
1962 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) | |
2e0fef85 | 1963 | (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { |
dea3101e JB |
1964 | /* Action routine Event Current State */ |
1965 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ | |
1966 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ | |
1967 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ | |
1968 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ | |
1969 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ | |
1970 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ | |
1971 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
1972 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1973 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ | |
1974 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1975 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1976 | lpfc_device_rm_unused_node, /* DEVICE_RM */ | |
1977 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ | |
1978 | ||
1979 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ | |
92d7f7b0 | 1980 | lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ |
c9f8735b | 1981 | lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ |
dea3101e JB |
1982 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
1983 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ | |
1984 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ | |
1985 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ | |
1986 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
1987 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
1988 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
1989 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
1990 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ | |
1991 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ | |
1992 | ||
1993 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ | |
1994 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ | |
1995 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ | |
1996 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ | |
1997 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ | |
1998 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ | |
1999 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2000 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2001 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2002 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ | |
2003 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2004 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ | |
2005 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ | |
2006 | ||
2007 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ | |
2008 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ | |
2009 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ | |
2010 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ | |
2011 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ | |
2012 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ | |
87af33fe | 2013 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2014 | lpfc_disc_illegal, /* CMPL_PRLI */ |
2015 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2016 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2017 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ | |
2018 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ | |
2019 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ | |
2020 | ||
2021 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ | |
2022 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ | |
2023 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ | |
2024 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ | |
2025 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ | |
2026 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ | |
87af33fe | 2027 | lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ |
dea3101e JB |
2028 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
2029 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2030 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2031 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2032 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ | |
2033 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ | |
2034 | ||
2035 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ | |
2036 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ | |
2037 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ | |
2038 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ | |
2039 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ | |
2040 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ | |
2041 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2042 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2043 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2044 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2045 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2046 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2047 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ | |
2048 | ||
2049 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ | |
2050 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ | |
2051 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ | |
2052 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ | |
2053 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ | |
2054 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ | |
2055 | lpfc_disc_illegal, /* CMPL_PLOGI */ | |
2056 | lpfc_disc_illegal, /* CMPL_PRLI */ | |
2057 | lpfc_disc_illegal, /* CMPL_LOGO */ | |
2058 | lpfc_disc_illegal, /* CMPL_ADISC */ | |
2059 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ | |
2060 | lpfc_disc_illegal, /* DEVICE_RM */ | |
2061 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ | |
2062 | ||
2063 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ | |
2064 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ | |
2065 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ | |
2066 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ | |
2067 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ | |
2068 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ | |
c9f8735b JW |
2069 | lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ |
2070 | lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ | |
dea3101e | 2071 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
c9f8735b | 2072 | lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ |
dea3101e JB |
2073 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
2074 | lpfc_device_rm_npr_node, /* DEVICE_RM */ | |
2075 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ | |
2076 | }; | |
2077 | ||
2078 | int | |
2e0fef85 JS |
2079 | lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2080 | void *arg, uint32_t evt) | |
dea3101e JB |
2081 | { |
2082 | uint32_t cur_state, rc; | |
2e0fef85 | 2083 | uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, |
dea3101e JB |
2084 | uint32_t); |
2085 | ||
329f9bc7 | 2086 | lpfc_nlp_get(ndlp); |
dea3101e JB |
2087 | cur_state = ndlp->nlp_state; |
2088 | ||
2089 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ | |
e8b62011 JS |
2090 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2091 | "0211 DSM in event x%x on NPort x%x in " | |
2092 | "state %d Data: x%x\n", | |
2093 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); | |
dea3101e | 2094 | |
858c9f6c JS |
2095 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2096 | "DSM in: evt:%d ste:%d did:x%x", | |
2097 | evt, cur_state, ndlp->nlp_DID); | |
2098 | ||
dea3101e | 2099 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
2e0fef85 | 2100 | rc = (func) (vport, ndlp, arg, evt); |
dea3101e JB |
2101 | |
2102 | /* DSM out state <rc> on NPort <nlp_DID> */ | |
e8b62011 JS |
2103 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2104 | "0212 DSM out state %d on NPort x%x Data: x%x\n", | |
2105 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
dea3101e | 2106 | |
858c9f6c JS |
2107 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, |
2108 | "DSM out: ste:%d did:x%x flg:x%x", | |
2109 | rc, ndlp->nlp_DID, ndlp->nlp_flag); | |
2110 | ||
329f9bc7 | 2111 | lpfc_nlp_put(ndlp); |
dea3101e | 2112 | |
c9f8735b | 2113 | return rc; |
dea3101e | 2114 | } |