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dea3101e JB |
1 | /******************************************************************* |
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 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, | |
42 | struct lpfc_iocbq *); | |
92d7f7b0 JS |
43 | static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, |
44 | struct lpfc_iocbq *); | |
a6ababd2 AB |
45 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport); |
46 | static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, | |
47 | struct lpfc_nodelist *ndlp, uint8_t retry); | |
48 | static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, | |
49 | struct lpfc_iocbq *iocb); | |
50 | static void lpfc_register_new_vport(struct lpfc_hba *phba, | |
51 | struct lpfc_vport *vport, | |
52 | struct lpfc_nodelist *ndlp); | |
92d7f7b0 | 53 | |
dea3101e JB |
54 | static int lpfc_max_els_tries = 3; |
55 | ||
858c9f6c | 56 | int |
2e0fef85 | 57 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
dea3101e | 58 | { |
2e0fef85 JS |
59 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
60 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 61 | uint32_t ha_copy; |
dea3101e | 62 | |
2e0fef85 JS |
63 | if (vport->port_state >= LPFC_VPORT_READY || |
64 | phba->link_state == LPFC_LINK_DOWN) | |
dea3101e JB |
65 | return 0; |
66 | ||
67 | /* Read the HBA Host Attention Register */ | |
dea3101e | 68 | ha_copy = readl(phba->HAregaddr); |
dea3101e JB |
69 | |
70 | if (!(ha_copy & HA_LATT)) | |
71 | return 0; | |
72 | ||
73 | /* Pending Link Event during Discovery */ | |
e8b62011 JS |
74 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
75 | "0237 Pending Link Event during " | |
76 | "Discovery: State x%x\n", | |
77 | phba->pport->port_state); | |
dea3101e JB |
78 | |
79 | /* CLEAR_LA should re-enable link attention events and | |
80 | * we should then imediately take a LATT event. The | |
81 | * LATT processing should call lpfc_linkdown() which | |
82 | * will cleanup any left over in-progress discovery | |
83 | * events. | |
84 | */ | |
2e0fef85 JS |
85 | spin_lock_irq(shost->host_lock); |
86 | vport->fc_flag |= FC_ABORT_DISCOVERY; | |
87 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 88 | |
92d7f7b0 | 89 | if (phba->link_state != LPFC_CLEAR_LA) |
ed957684 | 90 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 91 | |
c9f8735b | 92 | return 1; |
dea3101e JB |
93 | } |
94 | ||
95 | static struct lpfc_iocbq * | |
2e0fef85 JS |
96 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
97 | uint16_t cmdSize, uint8_t retry, | |
98 | struct lpfc_nodelist *ndlp, uint32_t did, | |
99 | uint32_t elscmd) | |
dea3101e | 100 | { |
2e0fef85 | 101 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 | 102 | struct lpfc_iocbq *elsiocb; |
dea3101e JB |
103 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
104 | struct ulp_bde64 *bpl; | |
105 | IOCB_t *icmd; | |
106 | ||
dea3101e | 107 | |
2e0fef85 JS |
108 | if (!lpfc_is_link_up(phba)) |
109 | return NULL; | |
dea3101e | 110 | |
dea3101e | 111 | /* Allocate buffer for command iocb */ |
0bd4ca25 | 112 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
113 | |
114 | if (elsiocb == NULL) | |
115 | return NULL; | |
dea3101e JB |
116 | icmd = &elsiocb->iocb; |
117 | ||
118 | /* fill in BDEs for command */ | |
119 | /* Allocate buffer for command payload */ | |
98c9ea5c JS |
120 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
121 | if (pcmd) | |
122 | pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys); | |
123 | if (!pcmd || !pcmd->virt) { | |
c9475cb0 | 124 | kfree(pcmd); |
dea3101e | 125 | |
604a3e30 | 126 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
127 | return NULL; |
128 | } | |
129 | ||
130 | INIT_LIST_HEAD(&pcmd->list); | |
131 | ||
132 | /* Allocate buffer for response payload */ | |
133 | if (expectRsp) { | |
92d7f7b0 | 134 | prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e JB |
135 | if (prsp) |
136 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
137 | &prsp->phys); | |
98c9ea5c | 138 | if (!prsp || !prsp->virt) { |
c9475cb0 | 139 | kfree(prsp); |
dea3101e JB |
140 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
141 | kfree(pcmd); | |
604a3e30 | 142 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
143 | return NULL; |
144 | } | |
145 | INIT_LIST_HEAD(&prsp->list); | |
146 | } else { | |
147 | prsp = NULL; | |
148 | } | |
149 | ||
150 | /* Allocate buffer for Buffer ptr list */ | |
92d7f7b0 | 151 | pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e | 152 | if (pbuflist) |
ed957684 JS |
153 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
154 | &pbuflist->phys); | |
98c9ea5c | 155 | if (!pbuflist || !pbuflist->virt) { |
604a3e30 | 156 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
157 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
158 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); | |
159 | kfree(pcmd); | |
160 | kfree(prsp); | |
c9475cb0 | 161 | kfree(pbuflist); |
dea3101e JB |
162 | return NULL; |
163 | } | |
164 | ||
165 | INIT_LIST_HEAD(&pbuflist->list); | |
166 | ||
167 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); | |
168 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
169 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; | |
2e0fef85 | 170 | icmd->un.elsreq64.remoteID = did; /* DID */ |
dea3101e | 171 | if (expectRsp) { |
92d7f7b0 | 172 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); |
dea3101e | 173 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
2680eeaa | 174 | icmd->ulpTimeout = phba->fc_ratov * 2; |
dea3101e | 175 | } else { |
92d7f7b0 | 176 | icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64); |
dea3101e JB |
177 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
178 | } | |
dea3101e JB |
179 | icmd->ulpBdeCount = 1; |
180 | icmd->ulpLe = 1; | |
181 | icmd->ulpClass = CLASS3; | |
182 | ||
92d7f7b0 JS |
183 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
184 | icmd->un.elsreq64.myID = vport->fc_myDID; | |
185 | ||
186 | /* For ELS_REQUEST64_CR, use the VPI by default */ | |
187 | icmd->ulpContext = vport->vpi; | |
188 | icmd->ulpCt_h = 0; | |
189 | icmd->ulpCt_l = 1; | |
190 | } | |
191 | ||
dea3101e JB |
192 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
193 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
194 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
195 | bpl->tus.f.bdeSize = cmdSize; | |
196 | bpl->tus.f.bdeFlags = 0; | |
197 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
198 | ||
199 | if (expectRsp) { | |
200 | bpl++; | |
201 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
202 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
203 | bpl->tus.f.bdeSize = FCELSSIZE; | |
204 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; | |
205 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
206 | } | |
207 | ||
51ef4c26 | 208 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
329f9bc7 JS |
209 | elsiocb->context2 = pcmd; |
210 | elsiocb->context3 = pbuflist; | |
dea3101e | 211 | elsiocb->retry = retry; |
2e0fef85 | 212 | elsiocb->vport = vport; |
dea3101e JB |
213 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
214 | ||
215 | if (prsp) { | |
216 | list_add(&prsp->list, &pcmd->list); | |
217 | } | |
dea3101e JB |
218 | if (expectRsp) { |
219 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
220 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
221 | "0116 Xmit ELS command x%x to remote " | |
222 | "NPORT x%x I/O tag: x%x, port state: x%x\n", | |
223 | elscmd, did, elsiocb->iotag, | |
224 | vport->port_state); | |
dea3101e JB |
225 | } else { |
226 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
227 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
228 | "0117 Xmit ELS response x%x to remote " | |
229 | "NPORT x%x I/O tag: x%x, size: x%x\n", | |
230 | elscmd, ndlp->nlp_DID, elsiocb->iotag, | |
231 | cmdSize); | |
dea3101e | 232 | } |
c9f8735b | 233 | return elsiocb; |
dea3101e JB |
234 | } |
235 | ||
236 | ||
237 | static int | |
92d7f7b0 | 238 | lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) |
dea3101e | 239 | { |
2e0fef85 | 240 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 241 | LPFC_MBOXQ_t *mbox; |
14691150 | 242 | struct lpfc_dmabuf *mp; |
92d7f7b0 JS |
243 | struct lpfc_nodelist *ndlp; |
244 | struct serv_parm *sp; | |
dea3101e | 245 | int rc; |
98c9ea5c | 246 | int err = 0; |
dea3101e | 247 | |
92d7f7b0 JS |
248 | sp = &phba->fc_fabparam; |
249 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
98c9ea5c JS |
250 | if (!ndlp) { |
251 | err = 1; | |
92d7f7b0 | 252 | goto fail; |
98c9ea5c | 253 | } |
92d7f7b0 JS |
254 | |
255 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
98c9ea5c JS |
256 | if (!mbox) { |
257 | err = 2; | |
92d7f7b0 | 258 | goto fail; |
98c9ea5c | 259 | } |
92d7f7b0 JS |
260 | |
261 | vport->port_state = LPFC_FABRIC_CFG_LINK; | |
262 | lpfc_config_link(phba, mbox); | |
263 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
264 | mbox->vport = vport; | |
265 | ||
0b727fea | 266 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
98c9ea5c JS |
267 | if (rc == MBX_NOT_FINISHED) { |
268 | err = 3; | |
92d7f7b0 | 269 | goto fail_free_mbox; |
98c9ea5c | 270 | } |
92d7f7b0 JS |
271 | |
272 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
98c9ea5c JS |
273 | if (!mbox) { |
274 | err = 4; | |
92d7f7b0 | 275 | goto fail; |
98c9ea5c | 276 | } |
92d7f7b0 JS |
277 | rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, |
278 | 0); | |
98c9ea5c JS |
279 | if (rc) { |
280 | err = 5; | |
92d7f7b0 | 281 | goto fail_free_mbox; |
98c9ea5c | 282 | } |
92d7f7b0 JS |
283 | |
284 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; | |
285 | mbox->vport = vport; | |
286 | mbox->context2 = lpfc_nlp_get(ndlp); | |
287 | ||
0b727fea | 288 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
98c9ea5c JS |
289 | if (rc == MBX_NOT_FINISHED) { |
290 | err = 6; | |
92d7f7b0 | 291 | goto fail_issue_reg_login; |
98c9ea5c | 292 | } |
92d7f7b0 JS |
293 | |
294 | return 0; | |
295 | ||
296 | fail_issue_reg_login: | |
297 | lpfc_nlp_put(ndlp); | |
298 | mp = (struct lpfc_dmabuf *) mbox->context1; | |
299 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
300 | kfree(mp); | |
301 | fail_free_mbox: | |
302 | mempool_free(mbox, phba->mbox_mem_pool); | |
303 | ||
304 | fail: | |
305 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 | 306 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
98c9ea5c | 307 | "0249 Cannot issue Register Fabric login: Err %d\n", err); |
92d7f7b0 JS |
308 | return -ENXIO; |
309 | } | |
310 | ||
311 | static int | |
312 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
313 | struct serv_parm *sp, IOCB_t *irsp) | |
314 | { | |
315 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
316 | struct lpfc_hba *phba = vport->phba; | |
317 | struct lpfc_nodelist *np; | |
318 | struct lpfc_nodelist *next_np; | |
319 | ||
2e0fef85 JS |
320 | spin_lock_irq(shost->host_lock); |
321 | vport->fc_flag |= FC_FABRIC; | |
322 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
323 | |
324 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
325 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
326 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
327 | ||
328 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; | |
329 | ||
330 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 JS |
331 | spin_lock_irq(shost->host_lock); |
332 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
333 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
334 | } else { |
335 | /* | |
336 | * If we are a N-port connected to a Fabric, fixup sparam's so | |
337 | * logins to devices on remote loops work. | |
338 | */ | |
2e0fef85 | 339 | vport->fc_sparam.cmn.altBbCredit = 1; |
dea3101e JB |
340 | } |
341 | ||
2e0fef85 | 342 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
dea3101e | 343 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
92d7f7b0 | 344 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); |
dea3101e JB |
345 | ndlp->nlp_class_sup = 0; |
346 | if (sp->cls1.classValid) | |
347 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
348 | if (sp->cls2.classValid) | |
349 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
350 | if (sp->cls3.classValid) | |
351 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
352 | if (sp->cls4.classValid) | |
353 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
354 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
355 | sp->cmn.bbRcvSizeLsb; | |
356 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
357 | ||
92d7f7b0 JS |
358 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
359 | if (sp->cmn.response_multiple_NPort) { | |
e8b62011 JS |
360 | lpfc_printf_vlog(vport, KERN_WARNING, |
361 | LOG_ELS | LOG_VPORT, | |
362 | "1816 FLOGI NPIV supported, " | |
363 | "response data 0x%x\n", | |
364 | sp->cmn.response_multiple_NPort); | |
92d7f7b0 | 365 | phba->link_flag |= LS_NPIV_FAB_SUPPORTED; |
92d7f7b0 JS |
366 | } else { |
367 | /* Because we asked f/w for NPIV it still expects us | |
e8b62011 JS |
368 | to call reg_vnpid atleast for the physcial host */ |
369 | lpfc_printf_vlog(vport, KERN_WARNING, | |
370 | LOG_ELS | LOG_VPORT, | |
371 | "1817 Fabric does not support NPIV " | |
372 | "- configuring single port mode.\n"); | |
92d7f7b0 JS |
373 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
374 | } | |
375 | } | |
dea3101e | 376 | |
92d7f7b0 JS |
377 | if ((vport->fc_prevDID != vport->fc_myDID) && |
378 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
dea3101e | 379 | |
92d7f7b0 JS |
380 | /* If our NportID changed, we need to ensure all |
381 | * remaining NPORTs get unreg_login'ed. | |
382 | */ | |
383 | list_for_each_entry_safe(np, next_np, | |
384 | &vport->fc_nodes, nlp_listp) { | |
385 | if ((np->nlp_state != NLP_STE_NPR_NODE) || | |
386 | !(np->nlp_flag & NLP_NPR_ADISC)) | |
387 | continue; | |
388 | spin_lock_irq(shost->host_lock); | |
389 | np->nlp_flag &= ~NLP_NPR_ADISC; | |
390 | spin_unlock_irq(shost->host_lock); | |
391 | lpfc_unreg_rpi(vport, np); | |
392 | } | |
393 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { | |
394 | lpfc_mbx_unreg_vpi(vport); | |
395 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
396 | } | |
397 | } | |
dea3101e | 398 | |
92d7f7b0 JS |
399 | ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; |
400 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); | |
dea3101e | 401 | |
92d7f7b0 JS |
402 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && |
403 | vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { | |
404 | lpfc_register_new_vport(phba, vport, ndlp); | |
405 | return 0; | |
406 | } | |
407 | lpfc_issue_fabric_reglogin(vport); | |
dea3101e | 408 | return 0; |
dea3101e JB |
409 | } |
410 | ||
411 | /* | |
412 | * We FLOGIed into an NPort, initiate pt2pt protocol | |
413 | */ | |
414 | static int | |
2e0fef85 JS |
415 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
416 | struct serv_parm *sp) | |
dea3101e | 417 | { |
2e0fef85 JS |
418 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
419 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
420 | LPFC_MBOXQ_t *mbox; |
421 | int rc; | |
422 | ||
2e0fef85 JS |
423 | spin_lock_irq(shost->host_lock); |
424 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
425 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
426 | |
427 | phba->fc_edtov = FF_DEF_EDTOV; | |
428 | phba->fc_ratov = FF_DEF_RATOV; | |
2e0fef85 | 429 | rc = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 430 | sizeof(vport->fc_portname)); |
dea3101e JB |
431 | if (rc >= 0) { |
432 | /* This side will initiate the PLOGI */ | |
2e0fef85 JS |
433 | spin_lock_irq(shost->host_lock); |
434 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
435 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
436 | |
437 | /* | |
438 | * N_Port ID cannot be 0, set our to LocalID the other | |
439 | * side will be RemoteID. | |
440 | */ | |
441 | ||
442 | /* not equal */ | |
443 | if (rc) | |
2e0fef85 | 444 | vport->fc_myDID = PT2PT_LocalID; |
dea3101e JB |
445 | |
446 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
447 | if (!mbox) | |
448 | goto fail; | |
449 | ||
450 | lpfc_config_link(phba, mbox); | |
451 | ||
452 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 453 | mbox->vport = vport; |
0b727fea | 454 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e JB |
455 | if (rc == MBX_NOT_FINISHED) { |
456 | mempool_free(mbox, phba->mbox_mem_pool); | |
457 | goto fail; | |
458 | } | |
329f9bc7 | 459 | lpfc_nlp_put(ndlp); |
dea3101e | 460 | |
2e0fef85 | 461 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
dea3101e JB |
462 | if (!ndlp) { |
463 | /* | |
464 | * Cannot find existing Fabric ndlp, so allocate a | |
465 | * new one | |
466 | */ | |
467 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
468 | if (!ndlp) | |
469 | goto fail; | |
470 | ||
2e0fef85 | 471 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
dea3101e JB |
472 | } |
473 | ||
474 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
2e0fef85 | 475 | sizeof(struct lpfc_name)); |
dea3101e | 476 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
2e0fef85 JS |
477 | sizeof(struct lpfc_name)); |
478 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
479 | spin_lock_irq(shost->host_lock); | |
dea3101e | 480 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 481 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
482 | } else { |
483 | /* This side will wait for the PLOGI */ | |
329f9bc7 | 484 | lpfc_nlp_put(ndlp); |
dea3101e JB |
485 | } |
486 | ||
2e0fef85 JS |
487 | spin_lock_irq(shost->host_lock); |
488 | vport->fc_flag |= FC_PT2PT; | |
489 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
490 | |
491 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 492 | lpfc_disc_start(vport); |
dea3101e | 493 | return 0; |
92d7f7b0 | 494 | fail: |
dea3101e JB |
495 | return -ENXIO; |
496 | } | |
497 | ||
498 | static void | |
329f9bc7 JS |
499 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
500 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 501 | { |
2e0fef85 JS |
502 | struct lpfc_vport *vport = cmdiocb->vport; |
503 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
504 | IOCB_t *irsp = &rspiocb->iocb; |
505 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
506 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
507 | struct serv_parm *sp; | |
508 | int rc; | |
509 | ||
510 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 511 | if (lpfc_els_chk_latt(vport)) { |
329f9bc7 | 512 | lpfc_nlp_put(ndlp); |
dea3101e JB |
513 | goto out; |
514 | } | |
515 | ||
858c9f6c JS |
516 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
517 | "FLOGI cmpl: status:x%x/x%x state:x%x", | |
518 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
519 | vport->port_state); | |
520 | ||
dea3101e JB |
521 | if (irsp->ulpStatus) { |
522 | /* Check for retry */ | |
2e0fef85 | 523 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e | 524 | goto out; |
2e0fef85 | 525 | |
dea3101e | 526 | /* FLOGI failed, so there is no fabric */ |
2e0fef85 JS |
527 | spin_lock_irq(shost->host_lock); |
528 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
529 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 530 | |
329f9bc7 | 531 | /* If private loop, then allow max outstanding els to be |
dea3101e JB |
532 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
533 | * alpa map would take too long otherwise. | |
534 | */ | |
535 | if (phba->alpa_map[0] == 0) { | |
3de2a653 | 536 | vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
dea3101e JB |
537 | } |
538 | ||
539 | /* FLOGI failure */ | |
e8b62011 JS |
540 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
541 | "0100 FLOGI failure Data: x%x x%x " | |
542 | "x%x\n", | |
543 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
544 | irsp->ulpTimeout); | |
dea3101e JB |
545 | goto flogifail; |
546 | } | |
547 | ||
548 | /* | |
549 | * The FLogI succeeded. Sync the data for the CPU before | |
550 | * accessing it. | |
551 | */ | |
552 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); | |
553 | ||
554 | sp = prsp->virt + sizeof(uint32_t); | |
555 | ||
556 | /* FLOGI completes successfully */ | |
e8b62011 JS |
557 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
558 | "0101 FLOGI completes sucessfully " | |
559 | "Data: x%x x%x x%x x%x\n", | |
560 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, | |
561 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); | |
dea3101e | 562 | |
2e0fef85 | 563 | if (vport->port_state == LPFC_FLOGI) { |
dea3101e JB |
564 | /* |
565 | * If Common Service Parameters indicate Nport | |
566 | * we are point to point, if Fport we are Fabric. | |
567 | */ | |
568 | if (sp->cmn.fPort) | |
2e0fef85 | 569 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
dea3101e | 570 | else |
2e0fef85 | 571 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
dea3101e JB |
572 | |
573 | if (!rc) | |
574 | goto out; | |
575 | } | |
576 | ||
577 | flogifail: | |
329f9bc7 | 578 | lpfc_nlp_put(ndlp); |
dea3101e | 579 | |
858c9f6c | 580 | if (!lpfc_error_lost_link(irsp)) { |
dea3101e | 581 | /* FLOGI failed, so just use loop map to make discovery list */ |
2e0fef85 | 582 | lpfc_disc_list_loopmap(vport); |
dea3101e JB |
583 | |
584 | /* Start discovery */ | |
2e0fef85 | 585 | lpfc_disc_start(vport); |
87af33fe JS |
586 | } else if (((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
587 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && | |
588 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) && | |
589 | (phba->link_state != LPFC_CLEAR_LA)) { | |
590 | /* If FLOGI failed enable link interrupt. */ | |
591 | lpfc_issue_clear_la(phba, vport); | |
dea3101e | 592 | } |
dea3101e JB |
593 | out: |
594 | lpfc_els_free_iocb(phba, cmdiocb); | |
595 | } | |
596 | ||
597 | static int | |
2e0fef85 | 598 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
599 | uint8_t retry) |
600 | { | |
2e0fef85 | 601 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
602 | struct serv_parm *sp; |
603 | IOCB_t *icmd; | |
604 | struct lpfc_iocbq *elsiocb; | |
605 | struct lpfc_sli_ring *pring; | |
606 | uint8_t *pcmd; | |
607 | uint16_t cmdsize; | |
608 | uint32_t tmo; | |
609 | int rc; | |
610 | ||
611 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
612 | ||
92d7f7b0 | 613 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
2e0fef85 JS |
614 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
615 | ndlp->nlp_DID, ELS_CMD_FLOGI); | |
92d7f7b0 | 616 | |
488d1469 | 617 | if (!elsiocb) |
c9f8735b | 618 | return 1; |
dea3101e JB |
619 | |
620 | icmd = &elsiocb->iocb; | |
621 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
622 | ||
623 | /* For FLOGI request, remainder of payload is service parameters */ | |
624 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; | |
92d7f7b0 JS |
625 | pcmd += sizeof(uint32_t); |
626 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e JB |
627 | sp = (struct serv_parm *) pcmd; |
628 | ||
629 | /* Setup CSPs accordingly for Fabric */ | |
630 | sp->cmn.e_d_tov = 0; | |
631 | sp->cmn.w2.r_a_tov = 0; | |
632 | sp->cls1.classValid = 0; | |
633 | sp->cls2.seqDelivery = 1; | |
634 | sp->cls3.seqDelivery = 1; | |
635 | if (sp->cmn.fcphLow < FC_PH3) | |
636 | sp->cmn.fcphLow = FC_PH3; | |
637 | if (sp->cmn.fcphHigh < FC_PH3) | |
638 | sp->cmn.fcphHigh = FC_PH3; | |
639 | ||
92d7f7b0 JS |
640 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
641 | sp->cmn.request_multiple_Nport = 1; | |
642 | ||
643 | /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ | |
644 | icmd->ulpCt_h = 1; | |
645 | icmd->ulpCt_l = 0; | |
646 | } | |
647 | ||
858c9f6c JS |
648 | if (phba->fc_topology != TOPOLOGY_LOOP) { |
649 | icmd->un.elsreq64.myID = 0; | |
650 | icmd->un.elsreq64.fl = 1; | |
651 | } | |
652 | ||
dea3101e JB |
653 | tmo = phba->fc_ratov; |
654 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; | |
2e0fef85 | 655 | lpfc_set_disctmo(vport); |
dea3101e JB |
656 | phba->fc_ratov = tmo; |
657 | ||
658 | phba->fc_stat.elsXmitFLOGI++; | |
659 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; | |
858c9f6c JS |
660 | |
661 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
662 | "Issue FLOGI: opt:x%x", | |
663 | phba->sli3_options, 0, 0); | |
664 | ||
92d7f7b0 | 665 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
dea3101e JB |
666 | if (rc == IOCB_ERROR) { |
667 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 668 | return 1; |
dea3101e | 669 | } |
c9f8735b | 670 | return 0; |
dea3101e JB |
671 | } |
672 | ||
673 | int | |
2e0fef85 | 674 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
dea3101e JB |
675 | { |
676 | struct lpfc_sli_ring *pring; | |
677 | struct lpfc_iocbq *iocb, *next_iocb; | |
678 | struct lpfc_nodelist *ndlp; | |
679 | IOCB_t *icmd; | |
680 | ||
681 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
682 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
683 | "0201 Abort outstanding I/O on NPort x%x\n", |
684 | Fabric_DID); | |
dea3101e JB |
685 | |
686 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
687 | ||
688 | /* | |
689 | * Check the txcmplq for an iocb that matches the nport the driver is | |
690 | * searching for. | |
691 | */ | |
2e0fef85 | 692 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
693 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
694 | icmd = &iocb->iocb; | |
2e0fef85 JS |
695 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
696 | icmd->un.elsreq64.bdl.ulpIoTag32) { | |
dea3101e | 697 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
92d7f7b0 | 698 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { |
07951076 | 699 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
92d7f7b0 | 700 | } |
dea3101e JB |
701 | } |
702 | } | |
2e0fef85 | 703 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
704 | |
705 | return 0; | |
706 | } | |
707 | ||
708 | int | |
2e0fef85 | 709 | lpfc_initial_flogi(struct lpfc_vport *vport) |
dea3101e | 710 | { |
2e0fef85 | 711 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
712 | struct lpfc_nodelist *ndlp; |
713 | ||
98c9ea5c JS |
714 | vport->port_state = LPFC_FLOGI; |
715 | lpfc_set_disctmo(vport); | |
716 | ||
c9f8735b | 717 | /* First look for the Fabric ndlp */ |
2e0fef85 | 718 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
c9f8735b | 719 | if (!ndlp) { |
dea3101e | 720 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
721 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
722 | if (!ndlp) | |
723 | return 0; | |
2e0fef85 | 724 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
c9f8735b | 725 | } else { |
2e0fef85 | 726 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 727 | } |
87af33fe | 728 | |
2e0fef85 | 729 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
329f9bc7 | 730 | lpfc_nlp_put(ndlp); |
dea3101e | 731 | } |
c9f8735b | 732 | return 1; |
dea3101e JB |
733 | } |
734 | ||
92d7f7b0 JS |
735 | int |
736 | lpfc_initial_fdisc(struct lpfc_vport *vport) | |
737 | { | |
738 | struct lpfc_hba *phba = vport->phba; | |
739 | struct lpfc_nodelist *ndlp; | |
740 | ||
741 | /* First look for the Fabric ndlp */ | |
742 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
743 | if (!ndlp) { | |
744 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
745 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
746 | if (!ndlp) | |
747 | return 0; | |
748 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
749 | } else { | |
750 | lpfc_dequeue_node(vport, ndlp); | |
751 | } | |
752 | if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { | |
753 | lpfc_nlp_put(ndlp); | |
754 | } | |
755 | return 1; | |
756 | } | |
87af33fe JS |
757 | |
758 | void | |
2e0fef85 | 759 | lpfc_more_plogi(struct lpfc_vport *vport) |
dea3101e JB |
760 | { |
761 | int sentplogi; | |
762 | ||
2e0fef85 JS |
763 | if (vport->num_disc_nodes) |
764 | vport->num_disc_nodes--; | |
dea3101e JB |
765 | |
766 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ | |
e8b62011 JS |
767 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
768 | "0232 Continue discovery with %d PLOGIs to go " | |
769 | "Data: x%x x%x x%x\n", | |
770 | vport->num_disc_nodes, vport->fc_plogi_cnt, | |
771 | vport->fc_flag, vport->port_state); | |
dea3101e | 772 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 JS |
773 | if (vport->fc_flag & FC_NLP_MORE) |
774 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ | |
775 | sentplogi = lpfc_els_disc_plogi(vport); | |
776 | ||
dea3101e JB |
777 | return; |
778 | } | |
779 | ||
488d1469 | 780 | static struct lpfc_nodelist * |
92d7f7b0 | 781 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, |
488d1469 JS |
782 | struct lpfc_nodelist *ndlp) |
783 | { | |
2e0fef85 | 784 | struct lpfc_vport *vport = ndlp->vport; |
488d1469 | 785 | struct lpfc_nodelist *new_ndlp; |
0ff10d46 JS |
786 | struct lpfc_rport_data *rdata; |
787 | struct fc_rport *rport; | |
488d1469 | 788 | struct serv_parm *sp; |
92d7f7b0 | 789 | uint8_t name[sizeof(struct lpfc_name)]; |
488d1469 JS |
790 | uint32_t rc; |
791 | ||
2fb9bd8b JS |
792 | /* Fabric nodes can have the same WWPN so we don't bother searching |
793 | * by WWPN. Just return the ndlp that was given to us. | |
794 | */ | |
795 | if (ndlp->nlp_type & NLP_FABRIC) | |
796 | return ndlp; | |
797 | ||
92d7f7b0 | 798 | sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); |
685f0bf7 | 799 | memset(name, 0, sizeof(struct lpfc_name)); |
488d1469 | 800 | |
685f0bf7 | 801 | /* Now we find out if the NPort we are logging into, matches the WWPN |
488d1469 JS |
802 | * we have for that ndlp. If not, we have some work to do. |
803 | */ | |
2e0fef85 | 804 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
488d1469 | 805 | |
92795650 | 806 | if (new_ndlp == ndlp) |
488d1469 | 807 | return ndlp; |
488d1469 JS |
808 | |
809 | if (!new_ndlp) { | |
2e0fef85 JS |
810 | rc = memcmp(&ndlp->nlp_portname, name, |
811 | sizeof(struct lpfc_name)); | |
92795650 JS |
812 | if (!rc) |
813 | return ndlp; | |
488d1469 JS |
814 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
815 | if (!new_ndlp) | |
816 | return ndlp; | |
817 | ||
2e0fef85 | 818 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
488d1469 JS |
819 | } |
820 | ||
2e0fef85 | 821 | lpfc_unreg_rpi(vport, new_ndlp); |
488d1469 | 822 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
92795650 | 823 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
0ff10d46 JS |
824 | |
825 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) | |
826 | new_ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
827 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
828 | ||
2e0fef85 | 829 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
488d1469 | 830 | |
2e0fef85 | 831 | /* Move this back to NPR state */ |
87af33fe JS |
832 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { |
833 | /* The new_ndlp is replacing ndlp totally, so we need | |
834 | * to put ndlp on UNUSED list and try to free it. | |
835 | */ | |
0ff10d46 JS |
836 | |
837 | /* Fix up the rport accordingly */ | |
838 | rport = ndlp->rport; | |
839 | if (rport) { | |
840 | rdata = rport->dd_data; | |
841 | if (rdata->pnode == ndlp) { | |
842 | lpfc_nlp_put(ndlp); | |
843 | ndlp->rport = NULL; | |
844 | rdata->pnode = lpfc_nlp_get(new_ndlp); | |
845 | new_ndlp->rport = rport; | |
846 | } | |
847 | new_ndlp->nlp_type = ndlp->nlp_type; | |
848 | } | |
849 | ||
2e0fef85 | 850 | lpfc_drop_node(vport, ndlp); |
87af33fe | 851 | } |
92795650 | 852 | else { |
2e0fef85 | 853 | lpfc_unreg_rpi(vport, ndlp); |
92795650 | 854 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
2e0fef85 | 855 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92795650 | 856 | } |
488d1469 JS |
857 | return new_ndlp; |
858 | } | |
859 | ||
87af33fe JS |
860 | void |
861 | lpfc_end_rscn(struct lpfc_vport *vport) | |
862 | { | |
863 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
864 | ||
865 | if (vport->fc_flag & FC_RSCN_MODE) { | |
866 | /* | |
867 | * Check to see if more RSCNs came in while we were | |
868 | * processing this one. | |
869 | */ | |
870 | if (vport->fc_rscn_id_cnt || | |
871 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) | |
872 | lpfc_els_handle_rscn(vport); | |
873 | else { | |
874 | spin_lock_irq(shost->host_lock); | |
875 | vport->fc_flag &= ~FC_RSCN_MODE; | |
876 | spin_unlock_irq(shost->host_lock); | |
877 | } | |
878 | } | |
879 | } | |
880 | ||
dea3101e | 881 | static void |
2e0fef85 JS |
882 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
883 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 884 | { |
2e0fef85 JS |
885 | struct lpfc_vport *vport = cmdiocb->vport; |
886 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 887 | IOCB_t *irsp; |
dea3101e | 888 | struct lpfc_nodelist *ndlp; |
92795650 | 889 | struct lpfc_dmabuf *prsp; |
dea3101e JB |
890 | int disc, rc, did, type; |
891 | ||
dea3101e JB |
892 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
893 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
894 | ||
895 | irsp = &rspiocb->iocb; | |
858c9f6c JS |
896 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
897 | "PLOGI cmpl: status:x%x/x%x did:x%x", | |
898 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
899 | irsp->un.elsreq64.remoteID); | |
900 | ||
2e0fef85 | 901 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
ed957684 | 902 | if (!ndlp) { |
e8b62011 JS |
903 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
904 | "0136 PLOGI completes to NPort x%x " | |
905 | "with no ndlp. Data: x%x x%x x%x\n", | |
906 | irsp->un.elsreq64.remoteID, | |
907 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
908 | irsp->ulpIoTag); | |
488d1469 | 909 | goto out; |
ed957684 | 910 | } |
dea3101e JB |
911 | |
912 | /* Since ndlp can be freed in the disc state machine, note if this node | |
913 | * is being used during discovery. | |
914 | */ | |
2e0fef85 | 915 | spin_lock_irq(shost->host_lock); |
dea3101e | 916 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
488d1469 | 917 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 | 918 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
919 | rc = 0; |
920 | ||
921 | /* PLOGI completes to NPort <nlp_DID> */ | |
e8b62011 JS |
922 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
923 | "0102 PLOGI completes to NPort x%x " | |
924 | "Data: x%x x%x x%x x%x x%x\n", | |
925 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
926 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 927 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
928 | if (lpfc_els_chk_latt(vport)) { |
929 | spin_lock_irq(shost->host_lock); | |
dea3101e | 930 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 931 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
932 | goto out; |
933 | } | |
934 | ||
935 | /* ndlp could be freed in DSM, save these values now */ | |
936 | type = ndlp->nlp_type; | |
937 | did = ndlp->nlp_DID; | |
938 | ||
939 | if (irsp->ulpStatus) { | |
940 | /* Check for retry */ | |
941 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
942 | /* ELS command is being retried */ | |
943 | if (disc) { | |
2e0fef85 | 944 | spin_lock_irq(shost->host_lock); |
dea3101e | 945 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 946 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
947 | } |
948 | goto out; | |
949 | } | |
dea3101e JB |
950 | /* PLOGI failed */ |
951 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 952 | if (lpfc_error_lost_link(irsp)) { |
c9f8735b | 953 | rc = NLP_STE_FREED_NODE; |
2fe165b6 | 954 | } else { |
2e0fef85 | 955 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 956 | NLP_EVT_CMPL_PLOGI); |
dea3101e JB |
957 | } |
958 | } else { | |
959 | /* Good status, call state machine */ | |
92795650 | 960 | prsp = list_entry(((struct lpfc_dmabuf *) |
92d7f7b0 JS |
961 | cmdiocb->context2)->list.next, |
962 | struct lpfc_dmabuf, list); | |
963 | ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); | |
2e0fef85 | 964 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 965 | NLP_EVT_CMPL_PLOGI); |
dea3101e JB |
966 | } |
967 | ||
2e0fef85 | 968 | if (disc && vport->num_disc_nodes) { |
dea3101e | 969 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 | 970 | lpfc_more_plogi(vport); |
dea3101e | 971 | |
2e0fef85 JS |
972 | if (vport->num_disc_nodes == 0) { |
973 | spin_lock_irq(shost->host_lock); | |
974 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
975 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 976 | |
2e0fef85 | 977 | lpfc_can_disctmo(vport); |
87af33fe | 978 | lpfc_end_rscn(vport); |
dea3101e JB |
979 | } |
980 | } | |
981 | ||
982 | out: | |
983 | lpfc_els_free_iocb(phba, cmdiocb); | |
984 | return; | |
985 | } | |
986 | ||
987 | int | |
2e0fef85 | 988 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
dea3101e | 989 | { |
2e0fef85 | 990 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
991 | struct serv_parm *sp; |
992 | IOCB_t *icmd; | |
98c9ea5c | 993 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
994 | struct lpfc_iocbq *elsiocb; |
995 | struct lpfc_sli_ring *pring; | |
996 | struct lpfc_sli *psli; | |
997 | uint8_t *pcmd; | |
998 | uint16_t cmdsize; | |
92d7f7b0 | 999 | int ret; |
dea3101e JB |
1000 | |
1001 | psli = &phba->sli; | |
1002 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1003 | ||
98c9ea5c JS |
1004 | ndlp = lpfc_findnode_did(vport, did); |
1005 | /* If ndlp if not NULL, we will bump the reference count on it */ | |
1006 | ||
92d7f7b0 | 1007 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
98c9ea5c | 1008 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, |
2e0fef85 | 1009 | ELS_CMD_PLOGI); |
c9f8735b JW |
1010 | if (!elsiocb) |
1011 | return 1; | |
dea3101e JB |
1012 | |
1013 | icmd = &elsiocb->iocb; | |
1014 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1015 | ||
1016 | /* For PLOGI request, remainder of payload is service parameters */ | |
1017 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
92d7f7b0 JS |
1018 | pcmd += sizeof(uint32_t); |
1019 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e JB |
1020 | sp = (struct serv_parm *) pcmd; |
1021 | ||
1022 | if (sp->cmn.fcphLow < FC_PH_4_3) | |
1023 | sp->cmn.fcphLow = FC_PH_4_3; | |
1024 | ||
1025 | if (sp->cmn.fcphHigh < FC_PH3) | |
1026 | sp->cmn.fcphHigh = FC_PH3; | |
1027 | ||
858c9f6c JS |
1028 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1029 | "Issue PLOGI: did:x%x", | |
1030 | did, 0, 0); | |
1031 | ||
dea3101e JB |
1032 | phba->fc_stat.elsXmitPLOGI++; |
1033 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
92d7f7b0 JS |
1034 | ret = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
1035 | ||
1036 | if (ret == IOCB_ERROR) { | |
dea3101e | 1037 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1038 | return 1; |
dea3101e | 1039 | } |
c9f8735b | 1040 | return 0; |
dea3101e JB |
1041 | } |
1042 | ||
1043 | static void | |
2e0fef85 JS |
1044 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1045 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1046 | { |
2e0fef85 JS |
1047 | struct lpfc_vport *vport = cmdiocb->vport; |
1048 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
1049 | IOCB_t *irsp; |
1050 | struct lpfc_sli *psli; | |
1051 | struct lpfc_nodelist *ndlp; | |
1052 | ||
1053 | psli = &phba->sli; | |
1054 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1055 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1056 | ||
1057 | irsp = &(rspiocb->iocb); | |
1058 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
2e0fef85 | 1059 | spin_lock_irq(shost->host_lock); |
dea3101e | 1060 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 1061 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1062 | |
858c9f6c JS |
1063 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1064 | "PRLI cmpl: status:x%x/x%x did:x%x", | |
1065 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1066 | ndlp->nlp_DID); | |
dea3101e | 1067 | /* PRLI completes to NPort <nlp_DID> */ |
e8b62011 JS |
1068 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1069 | "0103 PRLI completes to NPort x%x " | |
1070 | "Data: x%x x%x x%x x%x\n", | |
1071 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1072 | irsp->ulpTimeout, vport->num_disc_nodes); | |
dea3101e | 1073 | |
2e0fef85 | 1074 | vport->fc_prli_sent--; |
dea3101e | 1075 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1076 | if (lpfc_els_chk_latt(vport)) |
dea3101e JB |
1077 | goto out; |
1078 | ||
1079 | if (irsp->ulpStatus) { | |
1080 | /* Check for retry */ | |
1081 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1082 | /* ELS command is being retried */ | |
1083 | goto out; | |
1084 | } | |
1085 | /* PRLI failed */ | |
1086 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1087 | if (lpfc_error_lost_link(irsp)) { |
dea3101e | 1088 | goto out; |
2fe165b6 | 1089 | } else { |
2e0fef85 | 1090 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1091 | NLP_EVT_CMPL_PRLI); |
dea3101e JB |
1092 | } |
1093 | } else { | |
1094 | /* Good status, call state machine */ | |
2e0fef85 | 1095 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1096 | NLP_EVT_CMPL_PRLI); |
dea3101e JB |
1097 | } |
1098 | ||
1099 | out: | |
1100 | lpfc_els_free_iocb(phba, cmdiocb); | |
1101 | return; | |
1102 | } | |
1103 | ||
1104 | int | |
2e0fef85 | 1105 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1106 | uint8_t retry) |
1107 | { | |
2e0fef85 JS |
1108 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1109 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1110 | PRLI *npr; |
1111 | IOCB_t *icmd; | |
1112 | struct lpfc_iocbq *elsiocb; | |
1113 | struct lpfc_sli_ring *pring; | |
1114 | struct lpfc_sli *psli; | |
1115 | uint8_t *pcmd; | |
1116 | uint16_t cmdsize; | |
1117 | ||
1118 | psli = &phba->sli; | |
1119 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1120 | ||
92d7f7b0 | 1121 | cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); |
2e0fef85 JS |
1122 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1123 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
488d1469 | 1124 | if (!elsiocb) |
c9f8735b | 1125 | return 1; |
dea3101e JB |
1126 | |
1127 | icmd = &elsiocb->iocb; | |
1128 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1129 | ||
1130 | /* For PRLI request, remainder of payload is service parameters */ | |
92d7f7b0 | 1131 | memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); |
dea3101e | 1132 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
92d7f7b0 | 1133 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1134 | |
1135 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
1136 | npr = (PRLI *) pcmd; | |
1137 | /* | |
1138 | * If our firmware version is 3.20 or later, | |
1139 | * set the following bits for FC-TAPE support. | |
1140 | */ | |
1141 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
1142 | npr->ConfmComplAllowed = 1; | |
1143 | npr->Retry = 1; | |
1144 | npr->TaskRetryIdReq = 1; | |
1145 | } | |
1146 | npr->estabImagePair = 1; | |
1147 | npr->readXferRdyDis = 1; | |
1148 | ||
1149 | /* For FCP support */ | |
1150 | npr->prliType = PRLI_FCP_TYPE; | |
1151 | npr->initiatorFunc = 1; | |
1152 | ||
858c9f6c JS |
1153 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1154 | "Issue PRLI: did:x%x", | |
1155 | ndlp->nlp_DID, 0, 0); | |
1156 | ||
dea3101e JB |
1157 | phba->fc_stat.elsXmitPRLI++; |
1158 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
2e0fef85 | 1159 | spin_lock_irq(shost->host_lock); |
dea3101e | 1160 | ndlp->nlp_flag |= NLP_PRLI_SND; |
2e0fef85 | 1161 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1162 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1163 | spin_lock_irq(shost->host_lock); |
dea3101e | 1164 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 1165 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1166 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1167 | return 1; |
dea3101e | 1168 | } |
2e0fef85 | 1169 | vport->fc_prli_sent++; |
c9f8735b | 1170 | return 0; |
dea3101e JB |
1171 | } |
1172 | ||
0ff10d46 | 1173 | void |
2e0fef85 | 1174 | lpfc_more_adisc(struct lpfc_vport *vport) |
dea3101e JB |
1175 | { |
1176 | int sentadisc; | |
1177 | ||
2e0fef85 JS |
1178 | if (vport->num_disc_nodes) |
1179 | vport->num_disc_nodes--; | |
dea3101e | 1180 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
e8b62011 JS |
1181 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1182 | "0210 Continue discovery with %d ADISCs to go " | |
1183 | "Data: x%x x%x x%x\n", | |
1184 | vport->num_disc_nodes, vport->fc_adisc_cnt, | |
1185 | vport->fc_flag, vport->port_state); | |
dea3101e | 1186 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 JS |
1187 | if (vport->fc_flag & FC_NLP_MORE) { |
1188 | lpfc_set_disctmo(vport); | |
1189 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ | |
1190 | sentadisc = lpfc_els_disc_adisc(vport); | |
dea3101e JB |
1191 | } |
1192 | return; | |
1193 | } | |
1194 | ||
1195 | static void | |
2e0fef85 | 1196 | lpfc_rscn_disc(struct lpfc_vport *vport) |
dea3101e | 1197 | { |
858c9f6c JS |
1198 | lpfc_can_disctmo(vport); |
1199 | ||
dea3101e | 1200 | /* RSCN discovery */ |
2e0fef85 JS |
1201 | /* go thru NPR nodes and issue ELS PLOGIs */ |
1202 | if (vport->fc_npr_cnt) | |
1203 | if (lpfc_els_disc_plogi(vport)) | |
dea3101e | 1204 | return; |
2e0fef85 | 1205 | |
87af33fe | 1206 | lpfc_end_rscn(vport); |
dea3101e JB |
1207 | } |
1208 | ||
1209 | static void | |
2e0fef85 JS |
1210 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1211 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1212 | { |
2e0fef85 JS |
1213 | struct lpfc_vport *vport = cmdiocb->vport; |
1214 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1215 | IOCB_t *irsp; |
dea3101e | 1216 | struct lpfc_nodelist *ndlp; |
2e0fef85 | 1217 | int disc; |
dea3101e JB |
1218 | |
1219 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1220 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1221 | ||
1222 | irsp = &(rspiocb->iocb); | |
1223 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e | 1224 | |
858c9f6c JS |
1225 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1226 | "ADISC cmpl: status:x%x/x%x did:x%x", | |
1227 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1228 | ndlp->nlp_DID); | |
1229 | ||
dea3101e JB |
1230 | /* Since ndlp can be freed in the disc state machine, note if this node |
1231 | * is being used during discovery. | |
1232 | */ | |
2e0fef85 | 1233 | spin_lock_irq(shost->host_lock); |
dea3101e | 1234 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
c9f8735b | 1235 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
2e0fef85 | 1236 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1237 | /* ADISC completes to NPort <nlp_DID> */ |
e8b62011 JS |
1238 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1239 | "0104 ADISC completes to NPort x%x " | |
1240 | "Data: x%x x%x x%x x%x x%x\n", | |
1241 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1242 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 1243 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
1244 | if (lpfc_els_chk_latt(vport)) { |
1245 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1246 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1247 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
1248 | goto out; |
1249 | } | |
1250 | ||
1251 | if (irsp->ulpStatus) { | |
1252 | /* Check for retry */ | |
1253 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1254 | /* ELS command is being retried */ | |
1255 | if (disc) { | |
2e0fef85 | 1256 | spin_lock_irq(shost->host_lock); |
dea3101e | 1257 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 JS |
1258 | spin_unlock_irq(shost->host_lock); |
1259 | lpfc_set_disctmo(vport); | |
dea3101e JB |
1260 | } |
1261 | goto out; | |
1262 | } | |
1263 | /* ADISC failed */ | |
1264 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1265 | if (!lpfc_error_lost_link(irsp)) { |
2e0fef85 | 1266 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
858c9f6c | 1267 | NLP_EVT_CMPL_ADISC); |
dea3101e JB |
1268 | } |
1269 | } else { | |
1270 | /* Good status, call state machine */ | |
2e0fef85 | 1271 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e JB |
1272 | NLP_EVT_CMPL_ADISC); |
1273 | } | |
1274 | ||
2e0fef85 | 1275 | if (disc && vport->num_disc_nodes) { |
dea3101e | 1276 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 | 1277 | lpfc_more_adisc(vport); |
dea3101e JB |
1278 | |
1279 | /* Check to see if we are done with ADISC authentication */ | |
2e0fef85 | 1280 | if (vport->num_disc_nodes == 0) { |
92d7f7b0 JS |
1281 | /* If we get here, there is nothing left to ADISC */ |
1282 | /* | |
1283 | * For NPIV, cmpl_reg_vpi will set port_state to READY, | |
1284 | * and continue discovery. | |
1285 | */ | |
1286 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1287 | !(vport->fc_flag & FC_RSCN_MODE)) { | |
1288 | lpfc_issue_reg_vpi(phba, vport); | |
1289 | goto out; | |
1290 | } | |
1291 | /* | |
1292 | * For SLI2, we need to set port_state to READY | |
1293 | * and continue discovery. | |
1294 | */ | |
1295 | if (vport->port_state < LPFC_VPORT_READY) { | |
1296 | /* If we get here, there is nothing to ADISC */ | |
ed957684 | 1297 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 1298 | lpfc_issue_clear_la(phba, vport); |
92d7f7b0 JS |
1299 | |
1300 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { | |
1301 | vport->num_disc_nodes = 0; | |
1302 | /* go thru NPR list, issue ELS PLOGIs */ | |
1303 | if (vport->fc_npr_cnt) | |
1304 | lpfc_els_disc_plogi(vport); | |
1305 | ||
1306 | if (!vport->num_disc_nodes) { | |
1307 | spin_lock_irq(shost->host_lock); | |
1308 | vport->fc_flag &= | |
1309 | ~FC_NDISC_ACTIVE; | |
1310 | spin_unlock_irq( | |
1311 | shost->host_lock); | |
1312 | lpfc_can_disctmo(vport); | |
1313 | } | |
1314 | } | |
1315 | vport->port_state = LPFC_VPORT_READY; | |
dea3101e | 1316 | } else { |
2e0fef85 | 1317 | lpfc_rscn_disc(vport); |
dea3101e JB |
1318 | } |
1319 | } | |
1320 | } | |
dea3101e JB |
1321 | out: |
1322 | lpfc_els_free_iocb(phba, cmdiocb); | |
1323 | return; | |
1324 | } | |
1325 | ||
1326 | int | |
2e0fef85 | 1327 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1328 | uint8_t retry) |
1329 | { | |
2e0fef85 JS |
1330 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1331 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1332 | ADISC *ap; |
1333 | IOCB_t *icmd; | |
1334 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
1335 | struct lpfc_sli *psli = &phba->sli; |
1336 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e JB |
1337 | uint8_t *pcmd; |
1338 | uint16_t cmdsize; | |
1339 | ||
92d7f7b0 | 1340 | cmdsize = (sizeof(uint32_t) + sizeof(ADISC)); |
2e0fef85 JS |
1341 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1342 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
488d1469 | 1343 | if (!elsiocb) |
c9f8735b | 1344 | return 1; |
dea3101e JB |
1345 | |
1346 | icmd = &elsiocb->iocb; | |
1347 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1348 | ||
1349 | /* For ADISC request, remainder of payload is service parameters */ | |
1350 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
92d7f7b0 | 1351 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1352 | |
1353 | /* Fill in ADISC payload */ | |
1354 | ap = (ADISC *) pcmd; | |
1355 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
1356 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
1357 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 1358 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 1359 | |
858c9f6c JS |
1360 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1361 | "Issue ADISC: did:x%x", | |
1362 | ndlp->nlp_DID, 0, 0); | |
1363 | ||
dea3101e JB |
1364 | phba->fc_stat.elsXmitADISC++; |
1365 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
2e0fef85 | 1366 | spin_lock_irq(shost->host_lock); |
dea3101e | 1367 | ndlp->nlp_flag |= NLP_ADISC_SND; |
2e0fef85 | 1368 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1369 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1370 | spin_lock_irq(shost->host_lock); |
dea3101e | 1371 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
2e0fef85 | 1372 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1373 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1374 | return 1; |
dea3101e | 1375 | } |
c9f8735b | 1376 | return 0; |
dea3101e JB |
1377 | } |
1378 | ||
1379 | static void | |
2e0fef85 JS |
1380 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1381 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1382 | { |
2e0fef85 JS |
1383 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1384 | struct lpfc_vport *vport = ndlp->vport; | |
1385 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e JB |
1386 | IOCB_t *irsp; |
1387 | struct lpfc_sli *psli; | |
dea3101e JB |
1388 | |
1389 | psli = &phba->sli; | |
1390 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1391 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1392 | ||
1393 | irsp = &(rspiocb->iocb); | |
2e0fef85 | 1394 | spin_lock_irq(shost->host_lock); |
dea3101e | 1395 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1396 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1397 | |
858c9f6c JS |
1398 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1399 | "LOGO cmpl: status:x%x/x%x did:x%x", | |
1400 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1401 | ndlp->nlp_DID); | |
dea3101e | 1402 | /* LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
1403 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1404 | "0105 LOGO completes to NPort x%x " | |
1405 | "Data: x%x x%x x%x x%x\n", | |
1406 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1407 | irsp->ulpTimeout, vport->num_disc_nodes); | |
dea3101e | 1408 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1409 | if (lpfc_els_chk_latt(vport)) |
dea3101e JB |
1410 | goto out; |
1411 | ||
92d7f7b0 JS |
1412 | if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { |
1413 | /* NLP_EVT_DEVICE_RM should unregister the RPI | |
1414 | * which should abort all outstanding IOs. | |
1415 | */ | |
1416 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, | |
1417 | NLP_EVT_DEVICE_RM); | |
1418 | goto out; | |
1419 | } | |
1420 | ||
dea3101e JB |
1421 | if (irsp->ulpStatus) { |
1422 | /* Check for retry */ | |
2e0fef85 | 1423 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e JB |
1424 | /* ELS command is being retried */ |
1425 | goto out; | |
dea3101e JB |
1426 | /* LOGO failed */ |
1427 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
858c9f6c | 1428 | if (lpfc_error_lost_link(irsp)) |
dea3101e | 1429 | goto out; |
858c9f6c | 1430 | else |
2e0fef85 | 1431 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1432 | NLP_EVT_CMPL_LOGO); |
dea3101e | 1433 | } else { |
5024ab17 JW |
1434 | /* Good status, call state machine. |
1435 | * This will unregister the rpi if needed. | |
1436 | */ | |
2e0fef85 | 1437 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1438 | NLP_EVT_CMPL_LOGO); |
dea3101e JB |
1439 | } |
1440 | ||
1441 | out: | |
1442 | lpfc_els_free_iocb(phba, cmdiocb); | |
1443 | return; | |
1444 | } | |
1445 | ||
1446 | int | |
2e0fef85 | 1447 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e JB |
1448 | uint8_t retry) |
1449 | { | |
2e0fef85 JS |
1450 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1451 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1452 | IOCB_t *icmd; |
1453 | struct lpfc_iocbq *elsiocb; | |
1454 | struct lpfc_sli_ring *pring; | |
1455 | struct lpfc_sli *psli; | |
1456 | uint8_t *pcmd; | |
1457 | uint16_t cmdsize; | |
92d7f7b0 | 1458 | int rc; |
dea3101e JB |
1459 | |
1460 | psli = &phba->sli; | |
1461 | pring = &psli->ring[LPFC_ELS_RING]; | |
1462 | ||
98c9ea5c JS |
1463 | spin_lock_irq(shost->host_lock); |
1464 | if (ndlp->nlp_flag & NLP_LOGO_SND) { | |
1465 | spin_unlock_irq(shost->host_lock); | |
1466 | return 0; | |
1467 | } | |
1468 | spin_unlock_irq(shost->host_lock); | |
1469 | ||
92d7f7b0 | 1470 | cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); |
2e0fef85 JS |
1471 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1472 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
488d1469 | 1473 | if (!elsiocb) |
c9f8735b | 1474 | return 1; |
dea3101e JB |
1475 | |
1476 | icmd = &elsiocb->iocb; | |
1477 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1478 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
92d7f7b0 | 1479 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1480 | |
1481 | /* Fill in LOGO payload */ | |
2e0fef85 | 1482 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
92d7f7b0 JS |
1483 | pcmd += sizeof(uint32_t); |
1484 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
dea3101e | 1485 | |
858c9f6c JS |
1486 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1487 | "Issue LOGO: did:x%x", | |
1488 | ndlp->nlp_DID, 0, 0); | |
1489 | ||
dea3101e JB |
1490 | phba->fc_stat.elsXmitLOGO++; |
1491 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
2e0fef85 | 1492 | spin_lock_irq(shost->host_lock); |
dea3101e | 1493 | ndlp->nlp_flag |= NLP_LOGO_SND; |
2e0fef85 | 1494 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
1495 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
1496 | ||
1497 | if (rc == IOCB_ERROR) { | |
2e0fef85 | 1498 | spin_lock_irq(shost->host_lock); |
dea3101e | 1499 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1500 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1501 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1502 | return 1; |
dea3101e | 1503 | } |
c9f8735b | 1504 | return 0; |
dea3101e JB |
1505 | } |
1506 | ||
1507 | static void | |
2e0fef85 JS |
1508 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1509 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1510 | { |
2e0fef85 | 1511 | struct lpfc_vport *vport = cmdiocb->vport; |
dea3101e JB |
1512 | IOCB_t *irsp; |
1513 | ||
1514 | irsp = &rspiocb->iocb; | |
1515 | ||
858c9f6c JS |
1516 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1517 | "ELS cmd cmpl: status:x%x/x%x did:x%x", | |
1518 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1519 | irsp->un.elsreq64.remoteID); | |
dea3101e | 1520 | /* ELS cmd tag <ulpIoTag> completes */ |
e8b62011 JS |
1521 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1522 | "0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", | |
1523 | irsp->ulpIoTag, irsp->ulpStatus, | |
1524 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e | 1525 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1526 | lpfc_els_chk_latt(vport); |
dea3101e JB |
1527 | lpfc_els_free_iocb(phba, cmdiocb); |
1528 | return; | |
1529 | } | |
1530 | ||
1531 | int | |
2e0fef85 | 1532 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1533 | { |
2e0fef85 | 1534 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1535 | IOCB_t *icmd; |
1536 | struct lpfc_iocbq *elsiocb; | |
1537 | struct lpfc_sli_ring *pring; | |
1538 | struct lpfc_sli *psli; | |
1539 | uint8_t *pcmd; | |
1540 | uint16_t cmdsize; | |
1541 | struct lpfc_nodelist *ndlp; | |
1542 | ||
1543 | psli = &phba->sli; | |
1544 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
92d7f7b0 | 1545 | cmdsize = (sizeof(uint32_t) + sizeof(SCR)); |
c9f8735b JW |
1546 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1547 | if (!ndlp) | |
1548 | return 1; | |
dea3101e | 1549 | |
2e0fef85 JS |
1550 | lpfc_nlp_init(vport, ndlp, nportid); |
1551 | ||
1552 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1553 | ndlp->nlp_DID, ELS_CMD_SCR); | |
dea3101e | 1554 | |
488d1469 | 1555 | if (!elsiocb) { |
329f9bc7 | 1556 | lpfc_nlp_put(ndlp); |
c9f8735b | 1557 | return 1; |
dea3101e JB |
1558 | } |
1559 | ||
1560 | icmd = &elsiocb->iocb; | |
1561 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1562 | ||
1563 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
92d7f7b0 | 1564 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1565 | |
1566 | /* For SCR, remainder of payload is SCR parameter page */ | |
92d7f7b0 | 1567 | memset(pcmd, 0, sizeof(SCR)); |
dea3101e JB |
1568 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
1569 | ||
858c9f6c JS |
1570 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1571 | "Issue SCR: did:x%x", | |
1572 | ndlp->nlp_DID, 0, 0); | |
1573 | ||
dea3101e JB |
1574 | phba->fc_stat.elsXmitSCR++; |
1575 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1576 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1577 | lpfc_nlp_put(ndlp); |
dea3101e | 1578 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1579 | return 1; |
dea3101e | 1580 | } |
329f9bc7 | 1581 | lpfc_nlp_put(ndlp); |
c9f8735b | 1582 | return 0; |
dea3101e JB |
1583 | } |
1584 | ||
1585 | static int | |
2e0fef85 | 1586 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1587 | { |
2e0fef85 | 1588 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
1589 | IOCB_t *icmd; |
1590 | struct lpfc_iocbq *elsiocb; | |
1591 | struct lpfc_sli_ring *pring; | |
1592 | struct lpfc_sli *psli; | |
1593 | FARP *fp; | |
1594 | uint8_t *pcmd; | |
1595 | uint32_t *lp; | |
1596 | uint16_t cmdsize; | |
1597 | struct lpfc_nodelist *ondlp; | |
1598 | struct lpfc_nodelist *ndlp; | |
1599 | ||
1600 | psli = &phba->sli; | |
1601 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
92d7f7b0 | 1602 | cmdsize = (sizeof(uint32_t) + sizeof(FARP)); |
c9f8735b JW |
1603 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1604 | if (!ndlp) | |
1605 | return 1; | |
dea3101e | 1606 | |
2e0fef85 JS |
1607 | lpfc_nlp_init(vport, ndlp, nportid); |
1608 | ||
1609 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1610 | ndlp->nlp_DID, ELS_CMD_RNID); | |
488d1469 | 1611 | if (!elsiocb) { |
329f9bc7 | 1612 | lpfc_nlp_put(ndlp); |
c9f8735b | 1613 | return 1; |
dea3101e JB |
1614 | } |
1615 | ||
1616 | icmd = &elsiocb->iocb; | |
1617 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1618 | ||
1619 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
92d7f7b0 | 1620 | pcmd += sizeof(uint32_t); |
dea3101e JB |
1621 | |
1622 | /* Fill in FARPR payload */ | |
1623 | fp = (FARP *) (pcmd); | |
92d7f7b0 | 1624 | memset(fp, 0, sizeof(FARP)); |
dea3101e JB |
1625 | lp = (uint32_t *) pcmd; |
1626 | *lp++ = be32_to_cpu(nportid); | |
2e0fef85 | 1627 | *lp++ = be32_to_cpu(vport->fc_myDID); |
dea3101e JB |
1628 | fp->Rflags = 0; |
1629 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
1630 | ||
92d7f7b0 JS |
1631 | memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); |
1632 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 JS |
1633 | ondlp = lpfc_findnode_did(vport, nportid); |
1634 | if (ondlp) { | |
dea3101e | 1635 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
92d7f7b0 | 1636 | sizeof(struct lpfc_name)); |
dea3101e | 1637 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
92d7f7b0 | 1638 | sizeof(struct lpfc_name)); |
dea3101e JB |
1639 | } |
1640 | ||
858c9f6c JS |
1641 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1642 | "Issue FARPR: did:x%x", | |
1643 | ndlp->nlp_DID, 0, 0); | |
1644 | ||
dea3101e JB |
1645 | phba->fc_stat.elsXmitFARPR++; |
1646 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1647 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1648 | lpfc_nlp_put(ndlp); |
dea3101e | 1649 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1650 | return 1; |
dea3101e | 1651 | } |
329f9bc7 | 1652 | lpfc_nlp_put(ndlp); |
c9f8735b | 1653 | return 0; |
dea3101e JB |
1654 | } |
1655 | ||
fdcebe28 | 1656 | void |
2e0fef85 | 1657 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
fdcebe28 | 1658 | { |
2e0fef85 JS |
1659 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1660 | ||
1661 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1662 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1663 | spin_unlock_irq(shost->host_lock); |
fdcebe28 JS |
1664 | del_timer_sync(&nlp->nlp_delayfunc); |
1665 | nlp->nlp_last_elscmd = 0; | |
1666 | ||
1667 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1668 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1669 | ||
1670 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2e0fef85 | 1671 | spin_lock_irq(shost->host_lock); |
fdcebe28 | 1672 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 JS |
1673 | spin_unlock_irq(shost->host_lock); |
1674 | if (vport->num_disc_nodes) { | |
fdcebe28 JS |
1675 | /* Check to see if there are more |
1676 | * PLOGIs to be sent | |
1677 | */ | |
2e0fef85 JS |
1678 | lpfc_more_plogi(vport); |
1679 | ||
1680 | if (vport->num_disc_nodes == 0) { | |
1681 | spin_lock_irq(shost->host_lock); | |
1682 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1683 | spin_unlock_irq(shost->host_lock); | |
1684 | lpfc_can_disctmo(vport); | |
ed957684 | 1685 | lpfc_end_rscn(vport); |
fdcebe28 JS |
1686 | } |
1687 | } | |
1688 | } | |
1689 | return; | |
1690 | } | |
1691 | ||
dea3101e JB |
1692 | void |
1693 | lpfc_els_retry_delay(unsigned long ptr) | |
1694 | { | |
2e0fef85 JS |
1695 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
1696 | struct lpfc_vport *vport = ndlp->vport; | |
2e0fef85 | 1697 | struct lpfc_hba *phba = vport->phba; |
92d7f7b0 | 1698 | unsigned long flags; |
2e0fef85 | 1699 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
dea3101e | 1700 | |
2e0fef85 JS |
1701 | ndlp = (struct lpfc_nodelist *) ptr; |
1702 | phba = ndlp->vport->phba; | |
dea3101e JB |
1703 | evtp = &ndlp->els_retry_evt; |
1704 | ||
92d7f7b0 | 1705 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 1706 | if (!list_empty(&evtp->evt_listp)) { |
92d7f7b0 | 1707 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e JB |
1708 | return; |
1709 | } | |
1710 | ||
1711 | evtp->evt_arg1 = ndlp; | |
1712 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
1713 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
1714 | if (phba->work_wait) | |
92d7f7b0 | 1715 | lpfc_worker_wake_up(phba); |
dea3101e | 1716 | |
92d7f7b0 | 1717 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e JB |
1718 | return; |
1719 | } | |
1720 | ||
1721 | void | |
1722 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
1723 | { | |
2e0fef85 JS |
1724 | struct lpfc_vport *vport = ndlp->vport; |
1725 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1726 | uint32_t cmd, did, retry; | |
dea3101e | 1727 | |
2e0fef85 | 1728 | spin_lock_irq(shost->host_lock); |
5024ab17 JW |
1729 | did = ndlp->nlp_DID; |
1730 | cmd = ndlp->nlp_last_elscmd; | |
1731 | ndlp->nlp_last_elscmd = 0; | |
dea3101e JB |
1732 | |
1733 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2e0fef85 | 1734 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
1735 | return; |
1736 | } | |
1737 | ||
1738 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
2e0fef85 | 1739 | spin_unlock_irq(shost->host_lock); |
1a169689 JS |
1740 | /* |
1741 | * If a discovery event readded nlp_delayfunc after timer | |
1742 | * firing and before processing the timer, cancel the | |
1743 | * nlp_delayfunc. | |
1744 | */ | |
1745 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e JB |
1746 | retry = ndlp->nlp_retry; |
1747 | ||
1748 | switch (cmd) { | |
1749 | case ELS_CMD_FLOGI: | |
2e0fef85 | 1750 | lpfc_issue_els_flogi(vport, ndlp, retry); |
dea3101e JB |
1751 | break; |
1752 | case ELS_CMD_PLOGI: | |
2e0fef85 | 1753 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
5024ab17 | 1754 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1755 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
6ad42535 | 1756 | } |
dea3101e JB |
1757 | break; |
1758 | case ELS_CMD_ADISC: | |
2e0fef85 | 1759 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
5024ab17 | 1760 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1761 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
6ad42535 | 1762 | } |
dea3101e JB |
1763 | break; |
1764 | case ELS_CMD_PRLI: | |
2e0fef85 | 1765 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
5024ab17 | 1766 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1767 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
6ad42535 | 1768 | } |
dea3101e JB |
1769 | break; |
1770 | case ELS_CMD_LOGO: | |
2e0fef85 | 1771 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
5024ab17 | 1772 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1773 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
6ad42535 | 1774 | } |
dea3101e | 1775 | break; |
92d7f7b0 JS |
1776 | case ELS_CMD_FDISC: |
1777 | lpfc_issue_els_fdisc(vport, ndlp, retry); | |
1778 | break; | |
dea3101e JB |
1779 | } |
1780 | return; | |
1781 | } | |
1782 | ||
1783 | static int | |
2e0fef85 JS |
1784 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1785 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1786 | { |
2e0fef85 JS |
1787 | struct lpfc_vport *vport = cmdiocb->vport; |
1788 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1789 | IOCB_t *irsp = &rspiocb->iocb; | |
1790 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1791 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
dea3101e JB |
1792 | uint32_t *elscmd; |
1793 | struct ls_rjt stat; | |
2e0fef85 | 1794 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
98c9ea5c | 1795 | int logerr = 0; |
2e0fef85 | 1796 | uint32_t cmd = 0; |
488d1469 | 1797 | uint32_t did; |
dea3101e | 1798 | |
488d1469 | 1799 | |
dea3101e JB |
1800 | /* Note: context2 may be 0 for internal driver abort |
1801 | * of delays ELS command. | |
1802 | */ | |
1803 | ||
1804 | if (pcmd && pcmd->virt) { | |
1805 | elscmd = (uint32_t *) (pcmd->virt); | |
1806 | cmd = *elscmd++; | |
1807 | } | |
1808 | ||
329f9bc7 | 1809 | if (ndlp) |
488d1469 JS |
1810 | did = ndlp->nlp_DID; |
1811 | else { | |
1812 | /* We should only hit this case for retrying PLOGI */ | |
1813 | did = irsp->un.elsreq64.remoteID; | |
2e0fef85 | 1814 | ndlp = lpfc_findnode_did(vport, did); |
488d1469 JS |
1815 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
1816 | return 1; | |
1817 | } | |
1818 | ||
858c9f6c JS |
1819 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1820 | "Retry ELS: wd7:x%x wd4:x%x did:x%x", | |
1821 | *(((uint32_t *) irsp) + 7), irsp->un.ulpWord[4], ndlp->nlp_DID); | |
1822 | ||
dea3101e JB |
1823 | switch (irsp->ulpStatus) { |
1824 | case IOSTAT_FCP_RSP_ERROR: | |
1825 | case IOSTAT_REMOTE_STOP: | |
1826 | break; | |
1827 | ||
1828 | case IOSTAT_LOCAL_REJECT: | |
1829 | switch ((irsp->un.ulpWord[4] & 0xff)) { | |
1830 | case IOERR_LOOP_OPEN_FAILURE: | |
2e0fef85 | 1831 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
92d7f7b0 | 1832 | delay = 1000; |
dea3101e JB |
1833 | retry = 1; |
1834 | break; | |
1835 | ||
92d7f7b0 JS |
1836 | case IOERR_ILLEGAL_COMMAND: |
1837 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) && | |
1838 | (cmd == ELS_CMD_FDISC)) { | |
e8b62011 JS |
1839 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1840 | "0124 FDISC failed (3/6) " | |
1841 | "retrying...\n"); | |
92d7f7b0 JS |
1842 | lpfc_mbx_unreg_vpi(vport); |
1843 | retry = 1; | |
51ef4c26 JS |
1844 | /* FDISC retry policy */ |
1845 | maxretry = 48; | |
1846 | if (cmdiocb->retry >= 32) | |
1847 | delay = 1000; | |
92d7f7b0 JS |
1848 | } |
1849 | break; | |
1850 | ||
dea3101e | 1851 | case IOERR_NO_RESOURCES: |
98c9ea5c | 1852 | logerr = 1; /* HBA out of resources */ |
858c9f6c JS |
1853 | retry = 1; |
1854 | if (cmdiocb->retry > 100) | |
1855 | delay = 100; | |
1856 | maxretry = 250; | |
1857 | break; | |
1858 | ||
1859 | case IOERR_ILLEGAL_FRAME: | |
92d7f7b0 | 1860 | delay = 100; |
dea3101e JB |
1861 | retry = 1; |
1862 | break; | |
1863 | ||
858c9f6c | 1864 | case IOERR_SEQUENCE_TIMEOUT: |
dea3101e JB |
1865 | case IOERR_INVALID_RPI: |
1866 | retry = 1; | |
1867 | break; | |
1868 | } | |
1869 | break; | |
1870 | ||
1871 | case IOSTAT_NPORT_RJT: | |
1872 | case IOSTAT_FABRIC_RJT: | |
1873 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
1874 | retry = 1; | |
1875 | break; | |
1876 | } | |
1877 | break; | |
1878 | ||
1879 | case IOSTAT_NPORT_BSY: | |
1880 | case IOSTAT_FABRIC_BSY: | |
98c9ea5c | 1881 | logerr = 1; /* Fabric / Remote NPort out of resources */ |
dea3101e JB |
1882 | retry = 1; |
1883 | break; | |
1884 | ||
1885 | case IOSTAT_LS_RJT: | |
1886 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
1887 | /* Added for Vendor specifc support | |
1888 | * Just keep retrying for these Rsn / Exp codes | |
1889 | */ | |
1890 | switch (stat.un.b.lsRjtRsnCode) { | |
1891 | case LSRJT_UNABLE_TPC: | |
1892 | if (stat.un.b.lsRjtRsnCodeExp == | |
1893 | LSEXP_CMD_IN_PROGRESS) { | |
1894 | if (cmd == ELS_CMD_PLOGI) { | |
92d7f7b0 | 1895 | delay = 1000; |
dea3101e JB |
1896 | maxretry = 48; |
1897 | } | |
1898 | retry = 1; | |
1899 | break; | |
1900 | } | |
1901 | if (cmd == ELS_CMD_PLOGI) { | |
92d7f7b0 | 1902 | delay = 1000; |
dea3101e JB |
1903 | maxretry = lpfc_max_els_tries + 1; |
1904 | retry = 1; | |
1905 | break; | |
1906 | } | |
92d7f7b0 JS |
1907 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
1908 | (cmd == ELS_CMD_FDISC) && | |
1909 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ | |
e8b62011 JS |
1910 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1911 | "0125 FDISC Failed (x%x). " | |
1912 | "Fabric out of resources\n", | |
1913 | stat.un.lsRjtError); | |
92d7f7b0 JS |
1914 | lpfc_vport_set_state(vport, |
1915 | FC_VPORT_NO_FABRIC_RSCS); | |
1916 | } | |
dea3101e JB |
1917 | break; |
1918 | ||
1919 | case LSRJT_LOGICAL_BSY: | |
858c9f6c JS |
1920 | if ((cmd == ELS_CMD_PLOGI) || |
1921 | (cmd == ELS_CMD_PRLI)) { | |
92d7f7b0 | 1922 | delay = 1000; |
dea3101e | 1923 | maxretry = 48; |
92d7f7b0 | 1924 | } else if (cmd == ELS_CMD_FDISC) { |
51ef4c26 JS |
1925 | /* FDISC retry policy */ |
1926 | maxretry = 48; | |
1927 | if (cmdiocb->retry >= 32) | |
1928 | delay = 1000; | |
dea3101e JB |
1929 | } |
1930 | retry = 1; | |
1931 | break; | |
92d7f7b0 JS |
1932 | |
1933 | case LSRJT_LOGICAL_ERR: | |
1934 | case LSRJT_PROTOCOL_ERR: | |
1935 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1936 | (cmd == ELS_CMD_FDISC) && | |
1937 | ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || | |
1938 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) | |
1939 | ) { | |
e8b62011 JS |
1940 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1941 | "0123 FDISC Failed (x%x). " | |
1942 | "Fabric Detected Bad WWN\n", | |
1943 | stat.un.lsRjtError); | |
92d7f7b0 JS |
1944 | lpfc_vport_set_state(vport, |
1945 | FC_VPORT_FABRIC_REJ_WWN); | |
1946 | } | |
1947 | break; | |
dea3101e JB |
1948 | } |
1949 | break; | |
1950 | ||
1951 | case IOSTAT_INTERMED_RSP: | |
1952 | case IOSTAT_BA_RJT: | |
1953 | break; | |
1954 | ||
1955 | default: | |
1956 | break; | |
1957 | } | |
1958 | ||
488d1469 | 1959 | if (did == FDMI_DID) |
dea3101e | 1960 | retry = 1; |
dea3101e | 1961 | |
98c9ea5c JS |
1962 | if ((cmd == ELS_CMD_FLOGI) && |
1963 | (phba->fc_topology != TOPOLOGY_LOOP)) { | |
1964 | /* FLOGI retry policy */ | |
1965 | retry = 1; | |
1966 | maxretry = 48; | |
1967 | if (cmdiocb->retry >= 32) | |
1968 | delay = 1000; | |
1969 | } | |
1970 | ||
dea3101e JB |
1971 | if ((++cmdiocb->retry) >= maxretry) { |
1972 | phba->fc_stat.elsRetryExceeded++; | |
1973 | retry = 0; | |
1974 | } | |
1975 | ||
ed957684 JS |
1976 | if ((vport->load_flag & FC_UNLOADING) != 0) |
1977 | retry = 0; | |
1978 | ||
dea3101e JB |
1979 | if (retry) { |
1980 | ||
1981 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
1982 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1983 | "0107 Retry ELS command x%x to remote " | |
1984 | "NPORT x%x Data: x%x x%x\n", | |
1985 | cmd, did, cmdiocb->retry, delay); | |
dea3101e | 1986 | |
858c9f6c JS |
1987 | if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) && |
1988 | ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || | |
1989 | ((irsp->un.ulpWord[4] & 0xff) != IOERR_NO_RESOURCES))) { | |
1990 | /* Don't reset timer for no resources */ | |
1991 | ||
dea3101e | 1992 | /* If discovery / RSCN timer is running, reset it */ |
2e0fef85 | 1993 | if (timer_pending(&vport->fc_disctmo) || |
92d7f7b0 | 1994 | (vport->fc_flag & FC_RSCN_MODE)) |
2e0fef85 | 1995 | lpfc_set_disctmo(vport); |
dea3101e JB |
1996 | } |
1997 | ||
1998 | phba->fc_stat.elsXmitRetry++; | |
488d1469 | 1999 | if (ndlp && delay) { |
dea3101e JB |
2000 | phba->fc_stat.elsDelayRetry++; |
2001 | ndlp->nlp_retry = cmdiocb->retry; | |
2002 | ||
92d7f7b0 JS |
2003 | /* delay is specified in milliseconds */ |
2004 | mod_timer(&ndlp->nlp_delayfunc, | |
2005 | jiffies + msecs_to_jiffies(delay)); | |
2e0fef85 | 2006 | spin_lock_irq(shost->host_lock); |
dea3101e | 2007 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 2008 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2009 | |
5024ab17 | 2010 | ndlp->nlp_prev_state = ndlp->nlp_state; |
858c9f6c JS |
2011 | if (cmd == ELS_CMD_PRLI) |
2012 | lpfc_nlp_set_state(vport, ndlp, | |
2013 | NLP_STE_REG_LOGIN_ISSUE); | |
2014 | else | |
2015 | lpfc_nlp_set_state(vport, ndlp, | |
2016 | NLP_STE_NPR_NODE); | |
dea3101e JB |
2017 | ndlp->nlp_last_elscmd = cmd; |
2018 | ||
c9f8735b | 2019 | return 1; |
dea3101e JB |
2020 | } |
2021 | switch (cmd) { | |
2022 | case ELS_CMD_FLOGI: | |
2e0fef85 | 2023 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
c9f8735b | 2024 | return 1; |
92d7f7b0 JS |
2025 | case ELS_CMD_FDISC: |
2026 | lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); | |
2027 | return 1; | |
dea3101e | 2028 | case ELS_CMD_PLOGI: |
488d1469 JS |
2029 | if (ndlp) { |
2030 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 2031 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 2032 | NLP_STE_PLOGI_ISSUE); |
488d1469 | 2033 | } |
2e0fef85 | 2034 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
c9f8735b | 2035 | return 1; |
dea3101e | 2036 | case ELS_CMD_ADISC: |
5024ab17 | 2037 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2038 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2039 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 2040 | return 1; |
dea3101e | 2041 | case ELS_CMD_PRLI: |
5024ab17 | 2042 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2043 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
2044 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 2045 | return 1; |
dea3101e | 2046 | case ELS_CMD_LOGO: |
5024ab17 | 2047 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2048 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
2049 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 2050 | return 1; |
dea3101e JB |
2051 | } |
2052 | } | |
dea3101e | 2053 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
98c9ea5c JS |
2054 | if (logerr) { |
2055 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
2056 | "0137 No retry ELS command x%x to remote " | |
2057 | "NPORT x%x: Out of Resources: Error:x%x/%x\n", | |
2058 | cmd, did, irsp->ulpStatus, | |
2059 | irsp->un.ulpWord[4]); | |
2060 | } | |
2061 | else { | |
2062 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
a58cbd52 JS |
2063 | "0108 No retry ELS command x%x to remote " |
2064 | "NPORT x%x Retried:%d Error:x%x/%x\n", | |
2065 | cmd, did, cmdiocb->retry, irsp->ulpStatus, | |
2066 | irsp->un.ulpWord[4]); | |
98c9ea5c | 2067 | } |
c9f8735b | 2068 | return 0; |
dea3101e JB |
2069 | } |
2070 | ||
87af33fe JS |
2071 | int |
2072 | lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) | |
2073 | { | |
2074 | struct lpfc_dmabuf *buf_ptr; | |
2075 | ||
2076 | /* Free the response before processing the command. */ | |
2077 | if (!list_empty(&buf_ptr1->list)) { | |
2078 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
2079 | struct lpfc_dmabuf, | |
2080 | list); | |
2081 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
2082 | kfree(buf_ptr); | |
2083 | } | |
2084 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
2085 | kfree(buf_ptr1); | |
2086 | return 0; | |
2087 | } | |
2088 | ||
2089 | int | |
2090 | lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) | |
2091 | { | |
2092 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
2093 | kfree(buf_ptr); | |
2094 | return 0; | |
2095 | } | |
2096 | ||
dea3101e | 2097 | int |
329f9bc7 | 2098 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
dea3101e JB |
2099 | { |
2100 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
a8adb832 JS |
2101 | struct lpfc_nodelist *ndlp; |
2102 | ||
2103 | ndlp = (struct lpfc_nodelist *)elsiocb->context1; | |
2104 | if (ndlp) { | |
2105 | if (ndlp->nlp_flag & NLP_DEFER_RM) { | |
2106 | lpfc_nlp_put(ndlp); | |
dea3101e | 2107 | |
a8adb832 JS |
2108 | /* If the ndlp is not being used by another discovery |
2109 | * thread, free it. | |
2110 | */ | |
2111 | if (!lpfc_nlp_not_used(ndlp)) { | |
2112 | /* If ndlp is being used by another discovery | |
2113 | * thread, just clear NLP_DEFER_RM | |
2114 | */ | |
2115 | ndlp->nlp_flag &= ~NLP_DEFER_RM; | |
2116 | } | |
2117 | } | |
2118 | else | |
2119 | lpfc_nlp_put(ndlp); | |
329f9bc7 JS |
2120 | elsiocb->context1 = NULL; |
2121 | } | |
dea3101e JB |
2122 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
2123 | if (elsiocb->context2) { | |
0ff10d46 JS |
2124 | if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { |
2125 | /* Firmware could still be in progress of DMAing | |
2126 | * payload, so don't free data buffer till after | |
2127 | * a hbeat. | |
2128 | */ | |
2129 | elsiocb->iocb_flag &= ~LPFC_DELAY_MEM_FREE; | |
2130 | buf_ptr = elsiocb->context2; | |
2131 | elsiocb->context2 = NULL; | |
2132 | if (buf_ptr) { | |
2133 | buf_ptr1 = NULL; | |
2134 | spin_lock_irq(&phba->hbalock); | |
2135 | if (!list_empty(&buf_ptr->list)) { | |
2136 | list_remove_head(&buf_ptr->list, | |
2137 | buf_ptr1, struct lpfc_dmabuf, | |
2138 | list); | |
2139 | INIT_LIST_HEAD(&buf_ptr1->list); | |
2140 | list_add_tail(&buf_ptr1->list, | |
2141 | &phba->elsbuf); | |
2142 | phba->elsbuf_cnt++; | |
2143 | } | |
2144 | INIT_LIST_HEAD(&buf_ptr->list); | |
2145 | list_add_tail(&buf_ptr->list, &phba->elsbuf); | |
2146 | phba->elsbuf_cnt++; | |
2147 | spin_unlock_irq(&phba->hbalock); | |
2148 | } | |
2149 | } else { | |
2150 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
2151 | lpfc_els_free_data(phba, buf_ptr1); | |
2152 | } | |
dea3101e JB |
2153 | } |
2154 | ||
2155 | if (elsiocb->context3) { | |
2156 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
87af33fe | 2157 | lpfc_els_free_bpl(phba, buf_ptr); |
dea3101e | 2158 | } |
604a3e30 | 2159 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e JB |
2160 | return 0; |
2161 | } | |
2162 | ||
2163 | static void | |
2e0fef85 JS |
2164 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2165 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2166 | { |
2e0fef85 JS |
2167 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
2168 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c JS |
2169 | IOCB_t *irsp; |
2170 | ||
2171 | irsp = &rspiocb->iocb; | |
2172 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2173 | "ACC LOGO cmpl: status:x%x/x%x did:x%x", | |
2174 | irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID); | |
dea3101e | 2175 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
2176 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2177 | "0109 ACC to LOGO completes to NPort x%x " | |
2178 | "Data: x%x x%x x%x\n", | |
2179 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2180 | ndlp->nlp_rpi); | |
87af33fe JS |
2181 | |
2182 | if (ndlp->nlp_state == NLP_STE_NPR_NODE) { | |
2183 | /* NPort Recovery mode or node is just allocated */ | |
2184 | if (!lpfc_nlp_not_used(ndlp)) { | |
2185 | /* If the ndlp is being used by another discovery | |
2186 | * thread, just unregister the RPI. | |
2187 | */ | |
2188 | lpfc_unreg_rpi(vport, ndlp); | |
2189 | } | |
dea3101e JB |
2190 | } |
2191 | lpfc_els_free_iocb(phba, cmdiocb); | |
2192 | return; | |
2193 | } | |
2194 | ||
858c9f6c JS |
2195 | void |
2196 | lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2197 | { | |
2198 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2199 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2200 | ||
2201 | pmb->context1 = NULL; | |
2202 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2203 | kfree(mp); | |
2204 | mempool_free(pmb, phba->mbox_mem_pool); | |
a8adb832 JS |
2205 | if (ndlp) { |
2206 | lpfc_nlp_put(ndlp); | |
98c9ea5c | 2207 | |
a8adb832 JS |
2208 | /* This is the end of the default RPI cleanup logic for this |
2209 | * ndlp. If no other discovery threads are using this ndlp. | |
2210 | * we should free all resources associated with it. | |
2211 | */ | |
2212 | lpfc_nlp_not_used(ndlp); | |
2213 | } | |
858c9f6c JS |
2214 | return; |
2215 | } | |
2216 | ||
dea3101e | 2217 | static void |
858c9f6c | 2218 | lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
329f9bc7 | 2219 | struct lpfc_iocbq *rspiocb) |
dea3101e | 2220 | { |
2e0fef85 JS |
2221 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
2222 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; | |
2223 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; | |
87af33fe JS |
2224 | IOCB_t *irsp; |
2225 | uint8_t *pcmd; | |
dea3101e | 2226 | LPFC_MBOXQ_t *mbox = NULL; |
2e0fef85 | 2227 | struct lpfc_dmabuf *mp = NULL; |
87af33fe | 2228 | uint32_t ls_rjt = 0; |
dea3101e | 2229 | |
33ccf8d1 JS |
2230 | irsp = &rspiocb->iocb; |
2231 | ||
dea3101e JB |
2232 | if (cmdiocb->context_un.mbox) |
2233 | mbox = cmdiocb->context_un.mbox; | |
2234 | ||
87af33fe JS |
2235 | /* First determine if this is a LS_RJT cmpl */ |
2236 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); | |
2237 | if (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT) { | |
2238 | /* A LS_RJT associated with Default RPI cleanup | |
2239 | * has its own seperate code path. | |
2240 | */ | |
2241 | if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI)) | |
2242 | ls_rjt = 1; | |
2243 | } | |
2244 | ||
dea3101e | 2245 | /* Check to see if link went down during discovery */ |
2e0fef85 | 2246 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
dea3101e | 2247 | if (mbox) { |
14691150 JS |
2248 | mp = (struct lpfc_dmabuf *) mbox->context1; |
2249 | if (mp) { | |
2250 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2251 | kfree(mp); | |
2252 | } | |
329f9bc7 | 2253 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 2254 | } |
98c9ea5c JS |
2255 | if (ndlp && (ndlp->nlp_flag & NLP_RM_DFLT_RPI)) |
2256 | if (lpfc_nlp_not_used(ndlp)) | |
2257 | ndlp = NULL; | |
dea3101e JB |
2258 | goto out; |
2259 | } | |
2260 | ||
858c9f6c | 2261 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
51ef4c26 | 2262 | "ELS rsp cmpl: status:x%x/x%x did:x%x", |
858c9f6c | 2263 | irsp->ulpStatus, irsp->un.ulpWord[4], |
51ef4c26 | 2264 | cmdiocb->iocb.un.elsreq64.remoteID); |
dea3101e | 2265 | /* ELS response tag <ulpIoTag> completes */ |
e8b62011 JS |
2266 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2267 | "0110 ELS response tag x%x completes " | |
2268 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", | |
2269 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
2270 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, | |
2271 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2272 | ndlp->nlp_rpi); | |
dea3101e JB |
2273 | if (mbox) { |
2274 | if ((rspiocb->iocb.ulpStatus == 0) | |
2275 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
2e0fef85 | 2276 | lpfc_unreg_rpi(vport, ndlp); |
329f9bc7 | 2277 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 2278 | mbox->vport = vport; |
858c9f6c JS |
2279 | if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { |
2280 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
2281 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
2282 | } | |
2283 | else { | |
2284 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
2285 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2286 | lpfc_nlp_set_state(vport, ndlp, | |
2e0fef85 | 2287 | NLP_STE_REG_LOGIN_ISSUE); |
858c9f6c | 2288 | } |
0b727fea | 2289 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
dea3101e JB |
2290 | != MBX_NOT_FINISHED) { |
2291 | goto out; | |
2292 | } | |
98c9ea5c JS |
2293 | |
2294 | /* ELS rsp: Cannot issue reg_login for <NPortid> */ | |
2295 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
2296 | "0138 ELS rsp: Cannot issue reg_login for x%x " | |
2297 | "Data: x%x x%x x%x\n", | |
2298 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2299 | ndlp->nlp_rpi); | |
2300 | ||
2301 | if (lpfc_nlp_not_used(ndlp)) | |
2302 | ndlp = NULL; | |
dea3101e | 2303 | } else { |
858c9f6c JS |
2304 | /* Do not drop node for lpfc_els_abort'ed ELS cmds */ |
2305 | if (!lpfc_error_lost_link(irsp) && | |
2306 | ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
98c9ea5c JS |
2307 | if (lpfc_nlp_not_used(ndlp)) |
2308 | ndlp = NULL; | |
dea3101e JB |
2309 | } |
2310 | } | |
14691150 JS |
2311 | mp = (struct lpfc_dmabuf *) mbox->context1; |
2312 | if (mp) { | |
2313 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2314 | kfree(mp); | |
2315 | } | |
2316 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e JB |
2317 | } |
2318 | out: | |
2319 | if (ndlp) { | |
2e0fef85 | 2320 | spin_lock_irq(shost->host_lock); |
858c9f6c | 2321 | ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); |
2e0fef85 | 2322 | spin_unlock_irq(shost->host_lock); |
87af33fe JS |
2323 | |
2324 | /* If the node is not being used by another discovery thread, | |
2325 | * and we are sending a reject, we are done with it. | |
2326 | * Release driver reference count here and free associated | |
2327 | * resources. | |
2328 | */ | |
2329 | if (ls_rjt) | |
2330 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 2331 | } |
87af33fe | 2332 | |
dea3101e JB |
2333 | lpfc_els_free_iocb(phba, cmdiocb); |
2334 | return; | |
2335 | } | |
2336 | ||
2337 | int | |
2e0fef85 JS |
2338 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
2339 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, | |
51ef4c26 | 2340 | LPFC_MBOXQ_t *mbox) |
dea3101e | 2341 | { |
2e0fef85 JS |
2342 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2343 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2344 | IOCB_t *icmd; |
2345 | IOCB_t *oldcmd; | |
2346 | struct lpfc_iocbq *elsiocb; | |
2347 | struct lpfc_sli_ring *pring; | |
2348 | struct lpfc_sli *psli; | |
2349 | uint8_t *pcmd; | |
2350 | uint16_t cmdsize; | |
2351 | int rc; | |
82d9a2a2 | 2352 | ELS_PKT *els_pkt_ptr; |
dea3101e JB |
2353 | |
2354 | psli = &phba->sli; | |
2355 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2356 | oldcmd = &oldiocb->iocb; | |
2357 | ||
2358 | switch (flag) { | |
2359 | case ELS_CMD_ACC: | |
92d7f7b0 | 2360 | cmdsize = sizeof(uint32_t); |
2e0fef85 JS |
2361 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
2362 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2363 | if (!elsiocb) { |
2e0fef85 | 2364 | spin_lock_irq(shost->host_lock); |
5024ab17 | 2365 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 2366 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 2367 | return 1; |
dea3101e | 2368 | } |
2e0fef85 | 2369 | |
dea3101e JB |
2370 | icmd = &elsiocb->iocb; |
2371 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2372 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2373 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 2374 | pcmd += sizeof(uint32_t); |
858c9f6c JS |
2375 | |
2376 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2377 | "Issue ACC: did:x%x flg:x%x", | |
2378 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
dea3101e JB |
2379 | break; |
2380 | case ELS_CMD_PLOGI: | |
92d7f7b0 | 2381 | cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); |
2e0fef85 JS |
2382 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
2383 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2384 | if (!elsiocb) |
c9f8735b | 2385 | return 1; |
488d1469 | 2386 | |
dea3101e JB |
2387 | icmd = &elsiocb->iocb; |
2388 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2389 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2390 | ||
2391 | if (mbox) | |
2392 | elsiocb->context_un.mbox = mbox; | |
2393 | ||
2394 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 JS |
2395 | pcmd += sizeof(uint32_t); |
2396 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
858c9f6c JS |
2397 | |
2398 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2399 | "Issue ACC PLOGI: did:x%x flg:x%x", | |
2400 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
dea3101e | 2401 | break; |
82d9a2a2 | 2402 | case ELS_CMD_PRLO: |
92d7f7b0 | 2403 | cmdsize = sizeof(uint32_t) + sizeof(PRLO); |
2e0fef85 | 2404 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
82d9a2a2 JS |
2405 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
2406 | if (!elsiocb) | |
2407 | return 1; | |
2408 | ||
2409 | icmd = &elsiocb->iocb; | |
2410 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2411 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2412 | ||
2413 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
92d7f7b0 | 2414 | sizeof(uint32_t) + sizeof(PRLO)); |
82d9a2a2 JS |
2415 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
2416 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
2417 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
858c9f6c JS |
2418 | |
2419 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
2420 | "Issue ACC PRLO: did:x%x flg:x%x", | |
2421 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
82d9a2a2 | 2422 | break; |
dea3101e | 2423 | default: |
c9f8735b | 2424 | return 1; |
dea3101e | 2425 | } |
dea3101e | 2426 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2427 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2428 | "0128 Xmit ELS ACC response tag x%x, XRI: x%x, " | |
2429 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", | |
2430 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2431 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2432 | ndlp->nlp_rpi); | |
dea3101e | 2433 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
2e0fef85 | 2434 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2435 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 2436 | spin_unlock_irq(shost->host_lock); |
dea3101e JB |
2437 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
2438 | } else { | |
858c9f6c | 2439 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e JB |
2440 | } |
2441 | ||
2442 | phba->fc_stat.elsXmitACC++; | |
dea3101e | 2443 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2444 | if (rc == IOCB_ERROR) { |
2445 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2446 | return 1; |
dea3101e | 2447 | } |
c9f8735b | 2448 | return 0; |
dea3101e JB |
2449 | } |
2450 | ||
2451 | int | |
2e0fef85 | 2452 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
858c9f6c JS |
2453 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
2454 | LPFC_MBOXQ_t *mbox) | |
dea3101e | 2455 | { |
2e0fef85 | 2456 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
2457 | IOCB_t *icmd; |
2458 | IOCB_t *oldcmd; | |
2459 | struct lpfc_iocbq *elsiocb; | |
2460 | struct lpfc_sli_ring *pring; | |
2461 | struct lpfc_sli *psli; | |
2462 | uint8_t *pcmd; | |
2463 | uint16_t cmdsize; | |
2464 | int rc; | |
2465 | ||
2466 | psli = &phba->sli; | |
2467 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2468 | ||
92d7f7b0 | 2469 | cmdsize = 2 * sizeof(uint32_t); |
2e0fef85 JS |
2470 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2471 | ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
488d1469 | 2472 | if (!elsiocb) |
c9f8735b | 2473 | return 1; |
dea3101e JB |
2474 | |
2475 | icmd = &elsiocb->iocb; | |
2476 | oldcmd = &oldiocb->iocb; | |
2477 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2478 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2479 | ||
2480 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
92d7f7b0 | 2481 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2482 | *((uint32_t *) (pcmd)) = rejectError; |
2483 | ||
51ef4c26 | 2484 | if (mbox) |
858c9f6c | 2485 | elsiocb->context_un.mbox = mbox; |
858c9f6c | 2486 | |
dea3101e | 2487 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
e8b62011 JS |
2488 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2489 | "0129 Xmit ELS RJT x%x response tag x%x " | |
2490 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
2491 | "rpi x%x\n", | |
2492 | rejectError, elsiocb->iotag, | |
2493 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
2494 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
858c9f6c JS |
2495 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2496 | "Issue LS_RJT: did:x%x flg:x%x err:x%x", | |
2497 | ndlp->nlp_DID, ndlp->nlp_flag, rejectError); | |
2498 | ||
dea3101e | 2499 | phba->fc_stat.elsXmitLSRJT++; |
858c9f6c | 2500 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2501 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
51ef4c26 | 2502 | |
dea3101e JB |
2503 | if (rc == IOCB_ERROR) { |
2504 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2505 | return 1; |
dea3101e | 2506 | } |
c9f8735b | 2507 | return 0; |
dea3101e JB |
2508 | } |
2509 | ||
2510 | int | |
2e0fef85 JS |
2511 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
2512 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2513 | { |
2e0fef85 JS |
2514 | struct lpfc_hba *phba = vport->phba; |
2515 | struct lpfc_sli *psli = &phba->sli; | |
2516 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 2517 | ADISC *ap; |
2e0fef85 | 2518 | IOCB_t *icmd, *oldcmd; |
dea3101e | 2519 | struct lpfc_iocbq *elsiocb; |
dea3101e JB |
2520 | uint8_t *pcmd; |
2521 | uint16_t cmdsize; | |
2522 | int rc; | |
2523 | ||
92d7f7b0 | 2524 | cmdsize = sizeof(uint32_t) + sizeof(ADISC); |
2e0fef85 JS |
2525 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2526 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2527 | if (!elsiocb) |
c9f8735b | 2528 | return 1; |
dea3101e | 2529 | |
5b8bd0c9 JS |
2530 | icmd = &elsiocb->iocb; |
2531 | oldcmd = &oldiocb->iocb; | |
2532 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2533 | ||
dea3101e | 2534 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2535 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2536 | "0130 Xmit ADISC ACC response iotag x%x xri: " | |
2537 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", | |
2538 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2539 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2540 | ndlp->nlp_rpi); | |
dea3101e JB |
2541 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2542 | ||
2543 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 2544 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2545 | |
2546 | ap = (ADISC *) (pcmd); | |
2547 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
2548 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
2549 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 2550 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 2551 | |
858c9f6c JS |
2552 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2553 | "Issue ACC ADISC: did:x%x flg:x%x", | |
2554 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2555 | ||
dea3101e | 2556 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2557 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2558 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2559 | if (rc == IOCB_ERROR) { |
2560 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2561 | return 1; |
dea3101e | 2562 | } |
c9f8735b | 2563 | return 0; |
dea3101e JB |
2564 | } |
2565 | ||
2566 | int | |
2e0fef85 | 2567 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
5b8bd0c9 | 2568 | struct lpfc_nodelist *ndlp) |
dea3101e | 2569 | { |
2e0fef85 | 2570 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
2571 | PRLI *npr; |
2572 | lpfc_vpd_t *vpd; | |
2573 | IOCB_t *icmd; | |
2574 | IOCB_t *oldcmd; | |
2575 | struct lpfc_iocbq *elsiocb; | |
2576 | struct lpfc_sli_ring *pring; | |
2577 | struct lpfc_sli *psli; | |
2578 | uint8_t *pcmd; | |
2579 | uint16_t cmdsize; | |
2580 | int rc; | |
2581 | ||
2582 | psli = &phba->sli; | |
2583 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2584 | ||
92d7f7b0 | 2585 | cmdsize = sizeof(uint32_t) + sizeof(PRLI); |
2e0fef85 | 2586 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
92d7f7b0 | 2587 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
2588 | if (!elsiocb) |
2589 | return 1; | |
dea3101e | 2590 | |
5b8bd0c9 JS |
2591 | icmd = &elsiocb->iocb; |
2592 | oldcmd = &oldiocb->iocb; | |
2593 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
dea3101e | 2594 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2595 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2596 | "0131 Xmit PRLI ACC response tag x%x xri x%x, " | |
2597 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2598 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
2599 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
2600 | ndlp->nlp_rpi); | |
dea3101e JB |
2601 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2602 | ||
2603 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
92d7f7b0 | 2604 | pcmd += sizeof(uint32_t); |
dea3101e JB |
2605 | |
2606 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
92d7f7b0 | 2607 | memset(pcmd, 0, sizeof(PRLI)); |
dea3101e JB |
2608 | |
2609 | npr = (PRLI *) pcmd; | |
2610 | vpd = &phba->vpd; | |
2611 | /* | |
2612 | * If our firmware version is 3.20 or later, | |
2613 | * set the following bits for FC-TAPE support. | |
2614 | */ | |
2615 | if (vpd->rev.feaLevelHigh >= 0x02) { | |
2616 | npr->ConfmComplAllowed = 1; | |
2617 | npr->Retry = 1; | |
2618 | npr->TaskRetryIdReq = 1; | |
2619 | } | |
2620 | ||
2621 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
2622 | npr->estabImagePair = 1; | |
2623 | npr->readXferRdyDis = 1; | |
2624 | npr->ConfmComplAllowed = 1; | |
2625 | ||
2626 | npr->prliType = PRLI_FCP_TYPE; | |
2627 | npr->initiatorFunc = 1; | |
2628 | ||
858c9f6c JS |
2629 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2630 | "Issue ACC PRLI: did:x%x flg:x%x", | |
2631 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2632 | ||
dea3101e | 2633 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2634 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 2635 | |
dea3101e | 2636 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2637 | if (rc == IOCB_ERROR) { |
2638 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2639 | return 1; |
dea3101e | 2640 | } |
c9f8735b | 2641 | return 0; |
dea3101e JB |
2642 | } |
2643 | ||
2644 | static int | |
2e0fef85 | 2645 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
329f9bc7 | 2646 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
dea3101e | 2647 | { |
2e0fef85 | 2648 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2649 | RNID *rn; |
2e0fef85 | 2650 | IOCB_t *icmd, *oldcmd; |
dea3101e JB |
2651 | struct lpfc_iocbq *elsiocb; |
2652 | struct lpfc_sli_ring *pring; | |
2653 | struct lpfc_sli *psli; | |
2654 | uint8_t *pcmd; | |
2655 | uint16_t cmdsize; | |
2656 | int rc; | |
2657 | ||
2658 | psli = &phba->sli; | |
2659 | pring = &psli->ring[LPFC_ELS_RING]; | |
2660 | ||
92d7f7b0 JS |
2661 | cmdsize = sizeof(uint32_t) + sizeof(uint32_t) |
2662 | + (2 * sizeof(struct lpfc_name)); | |
dea3101e | 2663 | if (format) |
92d7f7b0 | 2664 | cmdsize += sizeof(RNID_TOP_DISC); |
dea3101e | 2665 | |
2e0fef85 JS |
2666 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2667 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2668 | if (!elsiocb) |
c9f8735b | 2669 | return 1; |
dea3101e | 2670 | |
5b8bd0c9 JS |
2671 | icmd = &elsiocb->iocb; |
2672 | oldcmd = &oldiocb->iocb; | |
2673 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
dea3101e | 2674 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
e8b62011 JS |
2675 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2676 | "0132 Xmit RNID ACC response tag x%x xri x%x\n", | |
2677 | elsiocb->iotag, elsiocb->iocb.ulpContext); | |
dea3101e | 2678 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
dea3101e | 2679 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
92d7f7b0 | 2680 | pcmd += sizeof(uint32_t); |
dea3101e | 2681 | |
92d7f7b0 | 2682 | memset(pcmd, 0, sizeof(RNID)); |
dea3101e JB |
2683 | rn = (RNID *) (pcmd); |
2684 | rn->Format = format; | |
92d7f7b0 JS |
2685 | rn->CommonLen = (2 * sizeof(struct lpfc_name)); |
2686 | memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name)); | |
2687 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
dea3101e JB |
2688 | switch (format) { |
2689 | case 0: | |
2690 | rn->SpecificLen = 0; | |
2691 | break; | |
2692 | case RNID_TOPOLOGY_DISC: | |
92d7f7b0 | 2693 | rn->SpecificLen = sizeof(RNID_TOP_DISC); |
dea3101e | 2694 | memcpy(&rn->un.topologyDisc.portName, |
92d7f7b0 | 2695 | &vport->fc_portname, sizeof(struct lpfc_name)); |
dea3101e JB |
2696 | rn->un.topologyDisc.unitType = RNID_HBA; |
2697 | rn->un.topologyDisc.physPort = 0; | |
2698 | rn->un.topologyDisc.attachedNodes = 0; | |
2699 | break; | |
2700 | default: | |
2701 | rn->CommonLen = 0; | |
2702 | rn->SpecificLen = 0; | |
2703 | break; | |
2704 | } | |
2705 | ||
858c9f6c JS |
2706 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
2707 | "Issue ACC RNID: did:x%x flg:x%x", | |
2708 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
2709 | ||
dea3101e | 2710 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 2711 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
329f9bc7 | 2712 | lpfc_nlp_put(ndlp); |
dea3101e JB |
2713 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
2714 | * it could be freed */ | |
2715 | ||
dea3101e | 2716 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e JB |
2717 | if (rc == IOCB_ERROR) { |
2718 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2719 | return 1; |
dea3101e | 2720 | } |
c9f8735b | 2721 | return 0; |
dea3101e JB |
2722 | } |
2723 | ||
2724 | int | |
2e0fef85 | 2725 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
dea3101e | 2726 | { |
2e0fef85 | 2727 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2728 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2729 | int sentadisc = 0; |
dea3101e | 2730 | |
685f0bf7 | 2731 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
2e0fef85 | 2732 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2733 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2734 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2735 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { | |
2e0fef85 | 2736 | spin_lock_irq(shost->host_lock); |
685f0bf7 | 2737 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2738 | spin_unlock_irq(shost->host_lock); |
685f0bf7 | 2739 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2740 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2741 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
685f0bf7 | 2742 | sentadisc++; |
2e0fef85 JS |
2743 | vport->num_disc_nodes++; |
2744 | if (vport->num_disc_nodes >= | |
3de2a653 | 2745 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
2746 | spin_lock_irq(shost->host_lock); |
2747 | vport->fc_flag |= FC_NLP_MORE; | |
2748 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2749 | break; |
dea3101e JB |
2750 | } |
2751 | } | |
2752 | } | |
2753 | if (sentadisc == 0) { | |
2e0fef85 JS |
2754 | spin_lock_irq(shost->host_lock); |
2755 | vport->fc_flag &= ~FC_NLP_MORE; | |
2756 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2757 | } |
2fe165b6 | 2758 | return sentadisc; |
dea3101e JB |
2759 | } |
2760 | ||
2761 | int | |
2e0fef85 | 2762 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
dea3101e | 2763 | { |
2e0fef85 | 2764 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2765 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2766 | int sentplogi = 0; |
dea3101e | 2767 | |
2e0fef85 JS |
2768 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
2769 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
685f0bf7 JS |
2770 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2771 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2772 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && | |
2773 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { | |
2774 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 JS |
2775 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2776 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
685f0bf7 | 2777 | sentplogi++; |
2e0fef85 JS |
2778 | vport->num_disc_nodes++; |
2779 | if (vport->num_disc_nodes >= | |
3de2a653 | 2780 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
2781 | spin_lock_irq(shost->host_lock); |
2782 | vport->fc_flag |= FC_NLP_MORE; | |
2783 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2784 | break; |
dea3101e JB |
2785 | } |
2786 | } | |
2787 | } | |
87af33fe JS |
2788 | if (sentplogi) { |
2789 | lpfc_set_disctmo(vport); | |
2790 | } | |
2791 | else { | |
2e0fef85 JS |
2792 | spin_lock_irq(shost->host_lock); |
2793 | vport->fc_flag &= ~FC_NLP_MORE; | |
2794 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2795 | } |
2fe165b6 | 2796 | return sentplogi; |
dea3101e JB |
2797 | } |
2798 | ||
92d7f7b0 | 2799 | void |
2e0fef85 | 2800 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
dea3101e | 2801 | { |
2e0fef85 JS |
2802 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2803 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2804 | int i; |
2805 | ||
2e0fef85 | 2806 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 | 2807 | lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); |
2e0fef85 | 2808 | vport->fc_rscn_id_list[i] = NULL; |
dea3101e | 2809 | } |
2e0fef85 JS |
2810 | spin_lock_irq(shost->host_lock); |
2811 | vport->fc_rscn_id_cnt = 0; | |
2812 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
2813 | spin_unlock_irq(shost->host_lock); | |
2814 | lpfc_can_disctmo(vport); | |
dea3101e JB |
2815 | } |
2816 | ||
2817 | int | |
2e0fef85 | 2818 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
dea3101e JB |
2819 | { |
2820 | D_ID ns_did; | |
2821 | D_ID rscn_did; | |
dea3101e | 2822 | uint32_t *lp; |
92d7f7b0 | 2823 | uint32_t payload_len, i; |
dea3101e JB |
2824 | |
2825 | ns_did.un.word = did; | |
dea3101e JB |
2826 | |
2827 | /* Never match fabric nodes for RSCNs */ | |
2828 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2e0fef85 | 2829 | return 0; |
dea3101e JB |
2830 | |
2831 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2e0fef85 | 2832 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
c9f8735b | 2833 | return did; |
dea3101e | 2834 | |
2e0fef85 | 2835 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 JS |
2836 | lp = vport->fc_rscn_id_list[i]->virt; |
2837 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); | |
2838 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 2839 | while (payload_len) { |
92d7f7b0 JS |
2840 | rscn_did.un.word = be32_to_cpu(*lp++); |
2841 | payload_len -= sizeof(uint32_t); | |
dea3101e JB |
2842 | switch (rscn_did.un.b.resv) { |
2843 | case 0: /* Single N_Port ID effected */ | |
2e0fef85 | 2844 | if (ns_did.un.word == rscn_did.un.word) |
92d7f7b0 | 2845 | return did; |
dea3101e JB |
2846 | break; |
2847 | case 1: /* Whole N_Port Area effected */ | |
2848 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) | |
2849 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
92d7f7b0 | 2850 | return did; |
dea3101e JB |
2851 | break; |
2852 | case 2: /* Whole N_Port Domain effected */ | |
2853 | if (ns_did.un.b.domain == rscn_did.un.b.domain) | |
92d7f7b0 | 2854 | return did; |
dea3101e JB |
2855 | break; |
2856 | default: | |
2e0fef85 | 2857 | /* Unknown Identifier in RSCN node */ |
e8b62011 JS |
2858 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
2859 | "0217 Unknown Identifier in " | |
2860 | "RSCN payload Data: x%x\n", | |
2861 | rscn_did.un.word); | |
92d7f7b0 JS |
2862 | case 3: /* Whole Fabric effected */ |
2863 | return did; | |
dea3101e JB |
2864 | } |
2865 | } | |
92d7f7b0 JS |
2866 | } |
2867 | return 0; | |
dea3101e JB |
2868 | } |
2869 | ||
2870 | static int | |
2e0fef85 | 2871 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
dea3101e | 2872 | { |
685f0bf7 | 2873 | struct lpfc_nodelist *ndlp = NULL; |
dea3101e JB |
2874 | |
2875 | /* Look at all nodes effected by pending RSCNs and move | |
685f0bf7 | 2876 | * them to NPR state. |
dea3101e | 2877 | */ |
dea3101e | 2878 | |
2e0fef85 | 2879 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 | 2880 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
2e0fef85 | 2881 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
685f0bf7 | 2882 | continue; |
dea3101e | 2883 | |
2e0fef85 | 2884 | lpfc_disc_state_machine(vport, ndlp, NULL, |
92d7f7b0 | 2885 | NLP_EVT_DEVICE_RECOVERY); |
5024ab17 | 2886 | |
685f0bf7 JS |
2887 | /* |
2888 | * Make sure NLP_DELAY_TMO is NOT running after a device | |
2889 | * recovery event. | |
2890 | */ | |
2891 | if (ndlp->nlp_flag & NLP_DELAY_TMO) | |
2e0fef85 | 2892 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 2893 | } |
685f0bf7 | 2894 | |
c9f8735b | 2895 | return 0; |
dea3101e JB |
2896 | } |
2897 | ||
2898 | static int | |
2e0fef85 | 2899 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 2900 | struct lpfc_nodelist *ndlp) |
dea3101e | 2901 | { |
2e0fef85 JS |
2902 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2903 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2904 | struct lpfc_dmabuf *pcmd; |
92d7f7b0 | 2905 | uint32_t *lp, *datap; |
dea3101e | 2906 | IOCB_t *icmd; |
92d7f7b0 JS |
2907 | uint32_t payload_len, length, nportid, *cmd; |
2908 | int rscn_cnt = vport->fc_rscn_id_cnt; | |
2909 | int rscn_id = 0, hba_id = 0; | |
d2873e4c | 2910 | int i; |
dea3101e JB |
2911 | |
2912 | icmd = &cmdiocb->iocb; | |
2913 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2914 | lp = (uint32_t *) pcmd->virt; | |
2915 | ||
92d7f7b0 JS |
2916 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
2917 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 2918 | /* RSCN received */ |
e8b62011 JS |
2919 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2920 | "0214 RSCN received Data: x%x x%x x%x x%x\n", | |
2921 | vport->fc_flag, payload_len, *lp, rscn_cnt); | |
d2873e4c | 2922 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2e0fef85 | 2923 | fc_host_post_event(shost, fc_get_event_number(), |
d2873e4c JS |
2924 | FCH_EVT_RSCN, lp[i]); |
2925 | ||
dea3101e JB |
2926 | /* If we are about to begin discovery, just ACC the RSCN. |
2927 | * Discovery processing will satisfy it. | |
2928 | */ | |
2e0fef85 | 2929 | if (vport->port_state <= LPFC_NS_QRY) { |
858c9f6c JS |
2930 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2931 | "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x", | |
2932 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
2933 | ||
51ef4c26 | 2934 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
c9f8735b | 2935 | return 0; |
dea3101e JB |
2936 | } |
2937 | ||
92d7f7b0 JS |
2938 | /* If this RSCN just contains NPortIDs for other vports on this HBA, |
2939 | * just ACC and ignore it. | |
2940 | */ | |
2941 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
3de2a653 | 2942 | !(vport->cfg_peer_port_login)) { |
92d7f7b0 JS |
2943 | i = payload_len; |
2944 | datap = lp; | |
2945 | while (i > 0) { | |
2946 | nportid = *datap++; | |
2947 | nportid = ((be32_to_cpu(nportid)) & Mask_DID); | |
2948 | i -= sizeof(uint32_t); | |
2949 | rscn_id++; | |
549e55cd JS |
2950 | if (lpfc_find_vport_by_did(phba, nportid)) |
2951 | hba_id++; | |
92d7f7b0 JS |
2952 | } |
2953 | if (rscn_id == hba_id) { | |
2954 | /* ALL NPortIDs in RSCN are on HBA */ | |
e8b62011 JS |
2955 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2956 | "0214 Ignore RSCN " | |
2957 | "Data: x%x x%x x%x x%x\n", | |
2958 | vport->fc_flag, payload_len, | |
2959 | *lp, rscn_cnt); | |
858c9f6c JS |
2960 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2961 | "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", | |
2962 | ndlp->nlp_DID, vport->port_state, | |
2963 | ndlp->nlp_flag); | |
2964 | ||
92d7f7b0 | 2965 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, |
51ef4c26 | 2966 | ndlp, NULL); |
92d7f7b0 JS |
2967 | return 0; |
2968 | } | |
2969 | } | |
2970 | ||
dea3101e JB |
2971 | /* If we are already processing an RSCN, save the received |
2972 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
2973 | */ | |
2e0fef85 | 2974 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
858c9f6c JS |
2975 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
2976 | "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", | |
2977 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
2978 | ||
92d7f7b0 JS |
2979 | vport->fc_flag |= FC_RSCN_DEFERRED; |
2980 | if ((rscn_cnt < FC_MAX_HOLD_RSCN) && | |
2e0fef85 JS |
2981 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
2982 | spin_lock_irq(shost->host_lock); | |
2983 | vport->fc_flag |= FC_RSCN_MODE; | |
2984 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 JS |
2985 | if (rscn_cnt) { |
2986 | cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; | |
2987 | length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); | |
2988 | } | |
2989 | if ((rscn_cnt) && | |
2990 | (payload_len + length <= LPFC_BPL_SIZE)) { | |
2991 | *cmd &= ELS_CMD_MASK; | |
2992 | *cmd |= be32_to_cpu(payload_len + length); | |
2993 | memcpy(((uint8_t *)cmd) + length, lp, | |
2994 | payload_len); | |
2995 | } else { | |
2996 | vport->fc_rscn_id_list[rscn_cnt] = pcmd; | |
2997 | vport->fc_rscn_id_cnt++; | |
2998 | /* If we zero, cmdiocb->context2, the calling | |
2999 | * routine will not try to free it. | |
3000 | */ | |
3001 | cmdiocb->context2 = NULL; | |
3002 | } | |
dea3101e JB |
3003 | |
3004 | /* Deferred RSCN */ | |
e8b62011 JS |
3005 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3006 | "0235 Deferred RSCN " | |
3007 | "Data: x%x x%x x%x\n", | |
3008 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
3009 | vport->port_state); | |
dea3101e | 3010 | } else { |
2e0fef85 JS |
3011 | spin_lock_irq(shost->host_lock); |
3012 | vport->fc_flag |= FC_RSCN_DISCOVERY; | |
3013 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3014 | /* ReDiscovery RSCN */ |
e8b62011 JS |
3015 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3016 | "0234 ReDiscovery RSCN " | |
3017 | "Data: x%x x%x x%x\n", | |
3018 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
3019 | vport->port_state); | |
dea3101e JB |
3020 | } |
3021 | /* Send back ACC */ | |
51ef4c26 | 3022 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
3023 | |
3024 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 3025 | lpfc_rscn_recovery_check(vport); |
92d7f7b0 | 3026 | vport->fc_flag &= ~FC_RSCN_DEFERRED; |
c9f8735b | 3027 | return 0; |
dea3101e JB |
3028 | } |
3029 | ||
858c9f6c JS |
3030 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3031 | "RCV RSCN: did:x%x/ste:x%x flg:x%x", | |
3032 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
3033 | ||
2e0fef85 JS |
3034 | spin_lock_irq(shost->host_lock); |
3035 | vport->fc_flag |= FC_RSCN_MODE; | |
3036 | spin_unlock_irq(shost->host_lock); | |
3037 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; | |
dea3101e JB |
3038 | /* |
3039 | * If we zero, cmdiocb->context2, the calling routine will | |
3040 | * not try to free it. | |
3041 | */ | |
3042 | cmdiocb->context2 = NULL; | |
3043 | ||
2e0fef85 | 3044 | lpfc_set_disctmo(vport); |
dea3101e JB |
3045 | |
3046 | /* Send back ACC */ | |
51ef4c26 | 3047 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
3048 | |
3049 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 3050 | lpfc_rscn_recovery_check(vport); |
dea3101e | 3051 | |
2e0fef85 | 3052 | return lpfc_els_handle_rscn(vport); |
dea3101e JB |
3053 | } |
3054 | ||
3055 | int | |
2e0fef85 | 3056 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
dea3101e JB |
3057 | { |
3058 | struct lpfc_nodelist *ndlp; | |
2e0fef85 | 3059 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3060 | |
92d7f7b0 JS |
3061 | /* Ignore RSCN if the port is being torn down. */ |
3062 | if (vport->load_flag & FC_UNLOADING) { | |
3063 | lpfc_els_flush_rscn(vport); | |
3064 | return 0; | |
3065 | } | |
3066 | ||
dea3101e | 3067 | /* Start timer for RSCN processing */ |
2e0fef85 | 3068 | lpfc_set_disctmo(vport); |
dea3101e JB |
3069 | |
3070 | /* RSCN processed */ | |
e8b62011 JS |
3071 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3072 | "0215 RSCN processed Data: x%x x%x x%x x%x\n", | |
3073 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, | |
3074 | vport->port_state); | |
dea3101e JB |
3075 | |
3076 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2e0fef85 | 3077 | vport->fc_ns_retry = 0; |
0ff10d46 JS |
3078 | vport->num_disc_nodes = 0; |
3079 | ||
2e0fef85 | 3080 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
685f0bf7 | 3081 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
dea3101e | 3082 | /* Good ndlp, issue CT Request to NameServer */ |
92d7f7b0 | 3083 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) |
dea3101e JB |
3084 | /* Wait for NameServer query cmpl before we can |
3085 | continue */ | |
c9f8735b | 3086 | return 1; |
dea3101e JB |
3087 | } else { |
3088 | /* If login to NameServer does not exist, issue one */ | |
3089 | /* Good status, issue PLOGI to NameServer */ | |
2e0fef85 JS |
3090 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
3091 | if (ndlp) | |
dea3101e JB |
3092 | /* Wait for NameServer login cmpl before we can |
3093 | continue */ | |
c9f8735b | 3094 | return 1; |
2e0fef85 | 3095 | |
c9f8735b JW |
3096 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
3097 | if (!ndlp) { | |
2e0fef85 | 3098 | lpfc_els_flush_rscn(vport); |
c9f8735b | 3099 | return 0; |
dea3101e | 3100 | } else { |
2e0fef85 | 3101 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
dea3101e | 3102 | ndlp->nlp_type |= NLP_FABRIC; |
5024ab17 | 3103 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
3104 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
3105 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); | |
dea3101e JB |
3106 | /* Wait for NameServer login cmpl before we can |
3107 | continue */ | |
c9f8735b | 3108 | return 1; |
dea3101e JB |
3109 | } |
3110 | } | |
3111 | ||
2e0fef85 | 3112 | lpfc_els_flush_rscn(vport); |
c9f8735b | 3113 | return 0; |
dea3101e JB |
3114 | } |
3115 | ||
3116 | static int | |
2e0fef85 | 3117 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 3118 | struct lpfc_nodelist *ndlp) |
dea3101e | 3119 | { |
2e0fef85 JS |
3120 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3121 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3122 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
3123 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
3124 | IOCB_t *icmd = &cmdiocb->iocb; | |
3125 | struct serv_parm *sp; | |
3126 | LPFC_MBOXQ_t *mbox; | |
3127 | struct ls_rjt stat; | |
3128 | uint32_t cmd, did; | |
3129 | int rc; | |
3130 | ||
3131 | cmd = *lp++; | |
3132 | sp = (struct serv_parm *) lp; | |
3133 | ||
3134 | /* FLOGI received */ | |
3135 | ||
2e0fef85 | 3136 | lpfc_set_disctmo(vport); |
dea3101e JB |
3137 | |
3138 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
3139 | /* We should never receive a FLOGI in loop mode, ignore it */ | |
3140 | did = icmd->un.elsreq64.remoteID; | |
3141 | ||
3142 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
3143 | Loop Mode */ | |
e8b62011 JS |
3144 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3145 | "0113 An FLOGI ELS command x%x was " | |
3146 | "received from DID x%x in Loop Mode\n", | |
3147 | cmd, did); | |
c9f8735b | 3148 | return 1; |
dea3101e JB |
3149 | } |
3150 | ||
3151 | did = Fabric_DID; | |
3152 | ||
2e0fef85 | 3153 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
dea3101e JB |
3154 | /* For a FLOGI we accept, then if our portname is greater |
3155 | * then the remote portname we initiate Nport login. | |
3156 | */ | |
3157 | ||
2e0fef85 | 3158 | rc = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 3159 | sizeof(struct lpfc_name)); |
dea3101e JB |
3160 | |
3161 | if (!rc) { | |
2e0fef85 JS |
3162 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3163 | if (!mbox) | |
c9f8735b | 3164 | return 1; |
2e0fef85 | 3165 | |
dea3101e JB |
3166 | lpfc_linkdown(phba); |
3167 | lpfc_init_link(phba, mbox, | |
3168 | phba->cfg_topology, | |
3169 | phba->cfg_link_speed); | |
3170 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
3171 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 3172 | mbox->vport = vport; |
0b727fea | 3173 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
5b8bd0c9 | 3174 | lpfc_set_loopback_flag(phba); |
dea3101e | 3175 | if (rc == MBX_NOT_FINISHED) { |
329f9bc7 | 3176 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3177 | } |
c9f8735b | 3178 | return 1; |
2fe165b6 | 3179 | } else if (rc > 0) { /* greater than */ |
2e0fef85 JS |
3180 | spin_lock_irq(shost->host_lock); |
3181 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
3182 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3183 | } |
2e0fef85 JS |
3184 | spin_lock_irq(shost->host_lock); |
3185 | vport->fc_flag |= FC_PT2PT; | |
3186 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
3187 | spin_unlock_irq(shost->host_lock); | |
dea3101e JB |
3188 | } else { |
3189 | /* Reject this request because invalid parameters */ | |
3190 | stat.un.b.lsRjtRsvd0 = 0; | |
3191 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3192 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
3193 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3194 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3195 | NULL); | |
c9f8735b | 3196 | return 1; |
dea3101e JB |
3197 | } |
3198 | ||
3199 | /* Send back ACC */ | |
51ef4c26 | 3200 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
dea3101e | 3201 | |
c9f8735b | 3202 | return 0; |
dea3101e JB |
3203 | } |
3204 | ||
3205 | static int | |
2e0fef85 JS |
3206 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3207 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3208 | { |
3209 | struct lpfc_dmabuf *pcmd; | |
3210 | uint32_t *lp; | |
3211 | IOCB_t *icmd; | |
3212 | RNID *rn; | |
3213 | struct ls_rjt stat; | |
3214 | uint32_t cmd, did; | |
3215 | ||
3216 | icmd = &cmdiocb->iocb; | |
3217 | did = icmd->un.elsreq64.remoteID; | |
3218 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3219 | lp = (uint32_t *) pcmd->virt; | |
3220 | ||
3221 | cmd = *lp++; | |
3222 | rn = (RNID *) lp; | |
3223 | ||
3224 | /* RNID received */ | |
3225 | ||
3226 | switch (rn->Format) { | |
3227 | case 0: | |
3228 | case RNID_TOPOLOGY_DISC: | |
3229 | /* Send back ACC */ | |
2e0fef85 | 3230 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
dea3101e JB |
3231 | break; |
3232 | default: | |
3233 | /* Reject this request because format not supported */ | |
3234 | stat.un.b.lsRjtRsvd0 = 0; | |
3235 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3236 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3237 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3238 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3239 | NULL); | |
dea3101e | 3240 | } |
c9f8735b | 3241 | return 0; |
dea3101e JB |
3242 | } |
3243 | ||
3244 | static int | |
2e0fef85 JS |
3245 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3246 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
3247 | { |
3248 | struct ls_rjt stat; | |
3249 | ||
3250 | /* For now, unconditionally reject this command */ | |
3251 | stat.un.b.lsRjtRsvd0 = 0; | |
3252 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3253 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3254 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 3255 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
3256 | return 0; |
3257 | } | |
3258 | ||
082c0266 | 3259 | static void |
329f9bc7 | 3260 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
7bb3b137 | 3261 | { |
2e0fef85 JS |
3262 | struct lpfc_sli *psli = &phba->sli; |
3263 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 JW |
3264 | MAILBOX_t *mb; |
3265 | IOCB_t *icmd; | |
3266 | RPS_RSP *rps_rsp; | |
3267 | uint8_t *pcmd; | |
3268 | struct lpfc_iocbq *elsiocb; | |
3269 | struct lpfc_nodelist *ndlp; | |
3270 | uint16_t xri, status; | |
3271 | uint32_t cmdsize; | |
3272 | ||
7bb3b137 JW |
3273 | mb = &pmb->mb; |
3274 | ||
3275 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3276 | xri = (uint16_t) ((unsigned long)(pmb->context1)); | |
041976fb RD |
3277 | pmb->context1 = NULL; |
3278 | pmb->context2 = NULL; | |
7bb3b137 JW |
3279 | |
3280 | if (mb->mbxStatus) { | |
329f9bc7 | 3281 | mempool_free(pmb, phba->mbox_mem_pool); |
7bb3b137 JW |
3282 | return; |
3283 | } | |
3284 | ||
3285 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
329f9bc7 | 3286 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 JS |
3287 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
3288 | lpfc_max_els_tries, ndlp, | |
3289 | ndlp->nlp_DID, ELS_CMD_ACC); | |
329f9bc7 | 3290 | lpfc_nlp_put(ndlp); |
c9f8735b | 3291 | if (!elsiocb) |
7bb3b137 | 3292 | return; |
7bb3b137 JW |
3293 | |
3294 | icmd = &elsiocb->iocb; | |
3295 | icmd->ulpContext = xri; | |
3296 | ||
3297 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
3298 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3299 | pcmd += sizeof(uint32_t); /* Skip past command */ |
7bb3b137 JW |
3300 | rps_rsp = (RPS_RSP *)pcmd; |
3301 | ||
3302 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
3303 | status = 0x10; | |
3304 | else | |
3305 | status = 0x8; | |
2e0fef85 | 3306 | if (phba->pport->fc_flag & FC_FABRIC) |
7bb3b137 JW |
3307 | status |= 0x4; |
3308 | ||
3309 | rps_rsp->rsvd1 = 0; | |
3310 | rps_rsp->portStatus = be16_to_cpu(status); | |
3311 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); | |
3312 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); | |
3313 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); | |
3314 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); | |
3315 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); | |
3316 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); | |
7bb3b137 | 3317 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
3318 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, |
3319 | "0118 Xmit ELS RPS ACC response tag x%x xri x%x, " | |
3320 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
3321 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
3322 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3323 | ndlp->nlp_rpi); | |
858c9f6c | 3324 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 | 3325 | phba->fc_stat.elsXmitACC++; |
ed957684 | 3326 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
7bb3b137 | 3327 | lpfc_els_free_iocb(phba, elsiocb); |
7bb3b137 JW |
3328 | return; |
3329 | } | |
3330 | ||
3331 | static int | |
2e0fef85 JS |
3332 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3333 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3334 | { |
2e0fef85 | 3335 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3336 | uint32_t *lp; |
7bb3b137 JW |
3337 | uint8_t flag; |
3338 | LPFC_MBOXQ_t *mbox; | |
3339 | struct lpfc_dmabuf *pcmd; | |
3340 | RPS *rps; | |
3341 | struct ls_rjt stat; | |
3342 | ||
2fe165b6 JW |
3343 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
3344 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
3345 | stat.un.b.lsRjtRsvd0 = 0; |
3346 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3347 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3348 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3349 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3350 | NULL); | |
7bb3b137 JW |
3351 | } |
3352 | ||
3353 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3354 | lp = (uint32_t *) pcmd->virt; | |
3355 | flag = (be32_to_cpu(*lp++) & 0xf); | |
3356 | rps = (RPS *) lp; | |
3357 | ||
3358 | if ((flag == 0) || | |
3359 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2e0fef85 | 3360 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
92d7f7b0 | 3361 | sizeof(struct lpfc_name)) == 0))) { |
2e0fef85 | 3362 | |
92d7f7b0 JS |
3363 | printk("Fix me....\n"); |
3364 | dump_stack(); | |
2e0fef85 JS |
3365 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
3366 | if (mbox) { | |
7bb3b137 JW |
3367 | lpfc_read_lnk_stat(phba, mbox); |
3368 | mbox->context1 = | |
92d7f7b0 | 3369 | (void *)((unsigned long) cmdiocb->iocb.ulpContext); |
329f9bc7 | 3370 | mbox->context2 = lpfc_nlp_get(ndlp); |
92d7f7b0 | 3371 | mbox->vport = vport; |
7bb3b137 | 3372 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
0b727fea JS |
3373 | if (lpfc_sli_issue_mbox (phba, mbox, MBX_NOWAIT) |
3374 | != MBX_NOT_FINISHED) | |
7bb3b137 JW |
3375 | /* Mbox completion will send ELS Response */ |
3376 | return 0; | |
2e0fef85 | 3377 | |
329f9bc7 | 3378 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
3379 | mempool_free(mbox, phba->mbox_mem_pool); |
3380 | } | |
3381 | } | |
3382 | stat.un.b.lsRjtRsvd0 = 0; | |
3383 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3384 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3385 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 3386 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
3387 | return 0; |
3388 | } | |
3389 | ||
082c0266 | 3390 | static int |
2e0fef85 JS |
3391 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
3392 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
7bb3b137 | 3393 | { |
2e0fef85 JS |
3394 | struct lpfc_hba *phba = vport->phba; |
3395 | IOCB_t *icmd, *oldcmd; | |
7bb3b137 JW |
3396 | RPL_RSP rpl_rsp; |
3397 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
3398 | struct lpfc_sli *psli = &phba->sli; |
3399 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 | 3400 | uint8_t *pcmd; |
dea3101e | 3401 | |
2e0fef85 JS |
3402 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
3403 | ndlp->nlp_DID, ELS_CMD_ACC); | |
7bb3b137 | 3404 | |
488d1469 | 3405 | if (!elsiocb) |
7bb3b137 | 3406 | return 1; |
488d1469 | 3407 | |
7bb3b137 JW |
3408 | icmd = &elsiocb->iocb; |
3409 | oldcmd = &oldiocb->iocb; | |
3410 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
3411 | ||
3412 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
3413 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3414 | pcmd += sizeof(uint16_t); |
7bb3b137 JW |
3415 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
3416 | pcmd += sizeof(uint16_t); | |
3417 | ||
3418 | /* Setup the RPL ACC payload */ | |
3419 | rpl_rsp.listLen = be32_to_cpu(1); | |
3420 | rpl_rsp.index = 0; | |
3421 | rpl_rsp.port_num_blk.portNum = 0; | |
2e0fef85 JS |
3422 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
3423 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, | |
7bb3b137 | 3424 | sizeof(struct lpfc_name)); |
7bb3b137 | 3425 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
7bb3b137 | 3426 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
e8b62011 JS |
3427 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3428 | "0120 Xmit ELS RPL ACC response tag x%x " | |
3429 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
3430 | "rpi x%x\n", | |
3431 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
3432 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3433 | ndlp->nlp_rpi); | |
858c9f6c | 3434 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 JW |
3435 | phba->fc_stat.elsXmitACC++; |
3436 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
3437 | lpfc_els_free_iocb(phba, elsiocb); | |
3438 | return 1; | |
3439 | } | |
3440 | return 0; | |
3441 | } | |
3442 | ||
3443 | static int | |
2e0fef85 JS |
3444 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3445 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
3446 | { |
3447 | struct lpfc_dmabuf *pcmd; | |
3448 | uint32_t *lp; | |
3449 | uint32_t maxsize; | |
3450 | uint16_t cmdsize; | |
3451 | RPL *rpl; | |
3452 | struct ls_rjt stat; | |
3453 | ||
2fe165b6 JW |
3454 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
3455 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
3456 | stat.un.b.lsRjtRsvd0 = 0; |
3457 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
3458 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
3459 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
3460 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
3461 | NULL); | |
7bb3b137 JW |
3462 | } |
3463 | ||
dea3101e JB |
3464 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
3465 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 3466 | rpl = (RPL *) (lp + 1); |
dea3101e | 3467 | |
7bb3b137 | 3468 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 3469 | |
7bb3b137 JW |
3470 | /* We support only one port */ |
3471 | if ((rpl->index == 0) && | |
3472 | ((maxsize == 0) || | |
3473 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
3474 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 3475 | } else { |
7bb3b137 JW |
3476 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
3477 | } | |
2e0fef85 | 3478 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
dea3101e JB |
3479 | |
3480 | return 0; | |
3481 | } | |
3482 | ||
3483 | static int | |
2e0fef85 JS |
3484 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3485 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3486 | { |
3487 | struct lpfc_dmabuf *pcmd; | |
3488 | uint32_t *lp; | |
3489 | IOCB_t *icmd; | |
3490 | FARP *fp; | |
3491 | uint32_t cmd, cnt, did; | |
3492 | ||
3493 | icmd = &cmdiocb->iocb; | |
3494 | did = icmd->un.elsreq64.remoteID; | |
3495 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3496 | lp = (uint32_t *) pcmd->virt; | |
3497 | ||
3498 | cmd = *lp++; | |
3499 | fp = (FARP *) lp; | |
dea3101e | 3500 | /* FARP-REQ received from DID <did> */ |
e8b62011 JS |
3501 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3502 | "0601 FARP-REQ received from DID x%x\n", did); | |
dea3101e JB |
3503 | /* We will only support match on WWPN or WWNN */ |
3504 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 3505 | return 0; |
dea3101e JB |
3506 | } |
3507 | ||
3508 | cnt = 0; | |
3509 | /* If this FARP command is searching for my portname */ | |
3510 | if (fp->Mflags & FARP_MATCH_PORT) { | |
2e0fef85 | 3511 | if (memcmp(&fp->RportName, &vport->fc_portname, |
92d7f7b0 | 3512 | sizeof(struct lpfc_name)) == 0) |
dea3101e JB |
3513 | cnt = 1; |
3514 | } | |
3515 | ||
3516 | /* If this FARP command is searching for my nodename */ | |
3517 | if (fp->Mflags & FARP_MATCH_NODE) { | |
2e0fef85 | 3518 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
92d7f7b0 | 3519 | sizeof(struct lpfc_name)) == 0) |
dea3101e JB |
3520 | cnt = 1; |
3521 | } | |
3522 | ||
3523 | if (cnt) { | |
3524 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
3525 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
3526 | /* Log back into the node before sending the FARP. */ | |
3527 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 3528 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3529 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3530 | NLP_STE_PLOGI_ISSUE); |
2e0fef85 | 3531 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
dea3101e JB |
3532 | } |
3533 | ||
3534 | /* Send a FARP response to that node */ | |
2e0fef85 JS |
3535 | if (fp->Rflags & FARP_REQUEST_FARPR) |
3536 | lpfc_issue_els_farpr(vport, did, 0); | |
dea3101e JB |
3537 | } |
3538 | } | |
c9f8735b | 3539 | return 0; |
dea3101e JB |
3540 | } |
3541 | ||
3542 | static int | |
2e0fef85 JS |
3543 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3544 | struct lpfc_nodelist *ndlp) | |
dea3101e JB |
3545 | { |
3546 | struct lpfc_dmabuf *pcmd; | |
3547 | uint32_t *lp; | |
3548 | IOCB_t *icmd; | |
3549 | uint32_t cmd, did; | |
3550 | ||
3551 | icmd = &cmdiocb->iocb; | |
3552 | did = icmd->un.elsreq64.remoteID; | |
3553 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3554 | lp = (uint32_t *) pcmd->virt; | |
3555 | ||
3556 | cmd = *lp++; | |
3557 | /* FARP-RSP received from DID <did> */ | |
e8b62011 JS |
3558 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3559 | "0600 FARP-RSP received from DID x%x\n", did); | |
dea3101e | 3560 | /* ACCEPT the Farp resp request */ |
51ef4c26 | 3561 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e JB |
3562 | |
3563 | return 0; | |
3564 | } | |
3565 | ||
3566 | static int | |
2e0fef85 JS |
3567 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3568 | struct lpfc_nodelist *fan_ndlp) | |
dea3101e JB |
3569 | { |
3570 | struct lpfc_dmabuf *pcmd; | |
3571 | uint32_t *lp; | |
3572 | IOCB_t *icmd; | |
dea3101e | 3573 | uint32_t cmd, did; |
5024ab17 JW |
3574 | FAN *fp; |
3575 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 3576 | struct lpfc_hba *phba = vport->phba; |
5024ab17 JW |
3577 | |
3578 | /* FAN received */ | |
e8b62011 JS |
3579 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3580 | "0265 FAN received\n"); | |
dea3101e JB |
3581 | icmd = &cmdiocb->iocb; |
3582 | did = icmd->un.elsreq64.remoteID; | |
5024ab17 JW |
3583 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
3584 | lp = (uint32_t *)pcmd->virt; | |
dea3101e JB |
3585 | |
3586 | cmd = *lp++; | |
92d7f7b0 | 3587 | fp = (FAN *) lp; |
dea3101e | 3588 | |
5024ab17 | 3589 | /* FAN received; Fan does not have a reply sequence */ |
dea3101e | 3590 | |
2e0fef85 | 3591 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
5024ab17 JW |
3592 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
3593 | sizeof(struct lpfc_name)) != 0) || | |
3594 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, | |
3595 | sizeof(struct lpfc_name)) != 0)) { | |
3596 | /* | |
3597 | * This node has switched fabrics. FLOGI is required | |
3598 | * Clean up the old rpi's | |
dea3101e | 3599 | */ |
5024ab17 JW |
3600 | |
3601 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2e0fef85 | 3602 | &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
3603 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
3604 | continue; | |
5024ab17 JW |
3605 | if (ndlp->nlp_type & NLP_FABRIC) { |
3606 | /* | |
3607 | * Clean up old Fabric, Nameserver and | |
3608 | * other NLP_FABRIC logins | |
3609 | */ | |
2e0fef85 | 3610 | lpfc_drop_node(vport, ndlp); |
87af33fe | 3611 | |
2fe165b6 | 3612 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
5024ab17 JW |
3613 | /* Fail outstanding I/O now since this |
3614 | * device is marked for PLOGI | |
3615 | */ | |
2e0fef85 | 3616 | lpfc_unreg_rpi(vport, ndlp); |
5024ab17 JW |
3617 | } |
3618 | } | |
3619 | ||
2e0fef85 | 3620 | lpfc_initial_flogi(vport); |
c9f8735b | 3621 | return 0; |
dea3101e | 3622 | } |
5024ab17 JW |
3623 | /* Discovery not needed, |
3624 | * move the nodes to their original state. | |
3625 | */ | |
2e0fef85 | 3626 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
3627 | nlp_listp) { |
3628 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
3629 | continue; | |
dea3101e | 3630 | |
5024ab17 JW |
3631 | switch (ndlp->nlp_prev_state) { |
3632 | case NLP_STE_UNMAPPED_NODE: | |
3633 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3634 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3635 | NLP_STE_UNMAPPED_NODE); |
5024ab17 JW |
3636 | break; |
3637 | ||
3638 | case NLP_STE_MAPPED_NODE: | |
3639 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3640 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3641 | NLP_STE_MAPPED_NODE); |
5024ab17 JW |
3642 | break; |
3643 | ||
3644 | default: | |
3645 | break; | |
3646 | } | |
3647 | } | |
3648 | ||
3649 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 3650 | lpfc_disc_start(vport); |
dea3101e | 3651 | } |
c9f8735b | 3652 | return 0; |
dea3101e JB |
3653 | } |
3654 | ||
3655 | void | |
3656 | lpfc_els_timeout(unsigned long ptr) | |
3657 | { | |
2e0fef85 JS |
3658 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
3659 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3660 | unsigned long iflag; |
3661 | ||
2e0fef85 JS |
3662 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
3663 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { | |
3664 | vport->work_port_events |= WORKER_ELS_TMO; | |
92d7f7b0 JS |
3665 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
3666 | ||
3667 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e | 3668 | if (phba->work_wait) |
92d7f7b0 JS |
3669 | lpfc_worker_wake_up(phba); |
3670 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 3671 | } |
92d7f7b0 JS |
3672 | else |
3673 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); | |
dea3101e JB |
3674 | return; |
3675 | } | |
3676 | ||
3677 | void | |
2e0fef85 | 3678 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 3679 | { |
2e0fef85 | 3680 | struct lpfc_hba *phba = vport->phba; |
dea3101e JB |
3681 | struct lpfc_sli_ring *pring; |
3682 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3683 | IOCB_t *cmd = NULL; | |
3684 | struct lpfc_dmabuf *pcmd; | |
2e0fef85 | 3685 | uint32_t els_command = 0; |
dea3101e | 3686 | uint32_t timeout; |
2e0fef85 | 3687 | uint32_t remote_ID = 0xffffffff; |
dea3101e | 3688 | |
dea3101e | 3689 | /* If the timer is already canceled do nothing */ |
2e0fef85 | 3690 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
dea3101e JB |
3691 | return; |
3692 | } | |
2e0fef85 | 3693 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3694 | timeout = (uint32_t)(phba->fc_ratov << 1); |
3695 | ||
3696 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
dea3101e JB |
3697 | |
3698 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3699 | cmd = &piocb->iocb; | |
3700 | ||
2e0fef85 JS |
3701 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
3702 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
3703 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) | |
dea3101e | 3704 | continue; |
2e0fef85 JS |
3705 | |
3706 | if (piocb->vport != vport) | |
3707 | continue; | |
3708 | ||
dea3101e | 3709 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
2e0fef85 JS |
3710 | if (pcmd) |
3711 | els_command = *(uint32_t *) (pcmd->virt); | |
dea3101e | 3712 | |
92d7f7b0 JS |
3713 | if (els_command == ELS_CMD_FARP || |
3714 | els_command == ELS_CMD_FARPR || | |
3715 | els_command == ELS_CMD_FDISC) | |
3716 | continue; | |
3717 | ||
3718 | if (vport != piocb->vport) | |
dea3101e | 3719 | continue; |
dea3101e JB |
3720 | |
3721 | if (piocb->drvrTimeout > 0) { | |
92d7f7b0 | 3722 | if (piocb->drvrTimeout >= timeout) |
dea3101e | 3723 | piocb->drvrTimeout -= timeout; |
92d7f7b0 | 3724 | else |
dea3101e | 3725 | piocb->drvrTimeout = 0; |
dea3101e JB |
3726 | continue; |
3727 | } | |
3728 | ||
2e0fef85 JS |
3729 | remote_ID = 0xffffffff; |
3730 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) | |
dea3101e | 3731 | remote_ID = cmd->un.elsreq64.remoteID; |
2e0fef85 JS |
3732 | else { |
3733 | struct lpfc_nodelist *ndlp; | |
3734 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); | |
3735 | if (ndlp) | |
3736 | remote_ID = ndlp->nlp_DID; | |
dea3101e | 3737 | } |
e8b62011 JS |
3738 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3739 | "0127 ELS timeout Data: x%x x%x x%x " | |
3740 | "x%x\n", els_command, | |
3741 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
07951076 | 3742 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3743 | } |
2e0fef85 | 3744 | spin_unlock_irq(&phba->hbalock); |
5a0e326d | 3745 | |
2e0fef85 JS |
3746 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
3747 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); | |
dea3101e JB |
3748 | } |
3749 | ||
3750 | void | |
2e0fef85 | 3751 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
dea3101e | 3752 | { |
2534ba75 | 3753 | LIST_HEAD(completions); |
2e0fef85 | 3754 | struct lpfc_hba *phba = vport->phba; |
329f9bc7 | 3755 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e JB |
3756 | struct lpfc_iocbq *tmp_iocb, *piocb; |
3757 | IOCB_t *cmd = NULL; | |
92d7f7b0 JS |
3758 | |
3759 | lpfc_fabric_abort_vport(vport); | |
dea3101e | 3760 | |
2e0fef85 | 3761 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3762 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
3763 | cmd = &piocb->iocb; | |
3764 | ||
3765 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3766 | continue; | |
3767 | } | |
3768 | ||
3769 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
329f9bc7 JS |
3770 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
3771 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3772 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3773 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
dea3101e | 3774 | continue; |
dea3101e | 3775 | |
2e0fef85 JS |
3776 | if (piocb->vport != vport) |
3777 | continue; | |
3778 | ||
2534ba75 | 3779 | list_move_tail(&piocb->list, &completions); |
1dcb58e5 | 3780 | pring->txq_cnt--; |
dea3101e JB |
3781 | } |
3782 | ||
3783 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
dea3101e JB |
3784 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
3785 | continue; | |
3786 | } | |
dea3101e | 3787 | |
2e0fef85 JS |
3788 | if (piocb->vport != vport) |
3789 | continue; | |
3790 | ||
07951076 | 3791 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3792 | } |
2e0fef85 | 3793 | spin_unlock_irq(&phba->hbalock); |
2534ba75 | 3794 | |
2e0fef85 | 3795 | while (!list_empty(&completions)) { |
2534ba75 JS |
3796 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
3797 | cmd = &piocb->iocb; | |
92d7f7b0 | 3798 | list_del_init(&piocb->list); |
2534ba75 | 3799 | |
2e0fef85 JS |
3800 | if (!piocb->iocb_cmpl) |
3801 | lpfc_sli_release_iocbq(phba, piocb); | |
3802 | else { | |
2534ba75 JS |
3803 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
3804 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3805 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
2e0fef85 | 3806 | } |
2534ba75 JS |
3807 | } |
3808 | ||
dea3101e JB |
3809 | return; |
3810 | } | |
3811 | ||
549e55cd JS |
3812 | void |
3813 | lpfc_els_flush_all_cmd(struct lpfc_hba *phba) | |
3814 | { | |
3815 | LIST_HEAD(completions); | |
3816 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
3817 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3818 | IOCB_t *cmd = NULL; | |
3819 | ||
3820 | lpfc_fabric_abort_hba(phba); | |
3821 | spin_lock_irq(&phba->hbalock); | |
3822 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { | |
3823 | cmd = &piocb->iocb; | |
3824 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) | |
3825 | continue; | |
3826 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
3827 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || | |
3828 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3829 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3830 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
3831 | continue; | |
3832 | list_move_tail(&piocb->list, &completions); | |
3833 | pring->txq_cnt--; | |
3834 | } | |
3835 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3836 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) | |
3837 | continue; | |
3838 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); | |
3839 | } | |
3840 | spin_unlock_irq(&phba->hbalock); | |
3841 | while (!list_empty(&completions)) { | |
3842 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
3843 | cmd = &piocb->iocb; | |
3844 | list_del_init(&piocb->list); | |
3845 | if (!piocb->iocb_cmpl) | |
3846 | lpfc_sli_release_iocbq(phba, piocb); | |
3847 | else { | |
3848 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
3849 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3850 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
3851 | } | |
3852 | } | |
3853 | return; | |
3854 | } | |
3855 | ||
ed957684 JS |
3856 | static void |
3857 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
92d7f7b0 | 3858 | struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) |
dea3101e | 3859 | { |
87af33fe | 3860 | struct Scsi_Host *shost; |
dea3101e | 3861 | struct lpfc_nodelist *ndlp; |
dea3101e | 3862 | struct ls_rjt stat; |
92d7f7b0 | 3863 | uint32_t *payload; |
2e0fef85 | 3864 | uint32_t cmd, did, newnode, rjt_err = 0; |
ed957684 | 3865 | IOCB_t *icmd = &elsiocb->iocb; |
dea3101e | 3866 | |
92d7f7b0 | 3867 | if (vport == NULL || elsiocb->context2 == NULL) |
dea3101e | 3868 | goto dropit; |
2e0fef85 | 3869 | |
dea3101e | 3870 | newnode = 0; |
92d7f7b0 JS |
3871 | payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; |
3872 | cmd = *payload; | |
ed957684 JS |
3873 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
3874 | lpfc_post_buffer(phba, pring, 1, 1); | |
dea3101e | 3875 | |
858c9f6c JS |
3876 | did = icmd->un.rcvels.remoteID; |
3877 | if (icmd->ulpStatus) { | |
3878 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
3879 | "RCV Unsol ELS: status:x%x/x%x did:x%x", | |
3880 | icmd->ulpStatus, icmd->un.ulpWord[4], did); | |
dea3101e | 3881 | goto dropit; |
858c9f6c | 3882 | } |
dea3101e JB |
3883 | |
3884 | /* Check to see if link went down during discovery */ | |
ed957684 | 3885 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 3886 | goto dropit; |
dea3101e | 3887 | |
92d7f7b0 JS |
3888 | /* Ignore traffic recevied during vport shutdown. */ |
3889 | if (vport->load_flag & FC_UNLOADING) | |
3890 | goto dropit; | |
3891 | ||
2e0fef85 | 3892 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 3893 | if (!ndlp) { |
dea3101e | 3894 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b | 3895 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
ed957684 | 3896 | if (!ndlp) |
dea3101e | 3897 | goto dropit; |
dea3101e | 3898 | |
2e0fef85 | 3899 | lpfc_nlp_init(vport, ndlp, did); |
98c9ea5c | 3900 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e JB |
3901 | newnode = 1; |
3902 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { | |
3903 | ndlp->nlp_type |= NLP_FABRIC; | |
3904 | } | |
3905 | } | |
87af33fe JS |
3906 | else { |
3907 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
3908 | /* This is simular to the new node path */ | |
3909 | lpfc_nlp_get(ndlp); | |
3910 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
3911 | newnode = 1; | |
3912 | } | |
3913 | } | |
dea3101e JB |
3914 | |
3915 | phba->fc_stat.elsRcvFrame++; | |
329f9bc7 JS |
3916 | if (elsiocb->context1) |
3917 | lpfc_nlp_put(elsiocb->context1); | |
3918 | elsiocb->context1 = lpfc_nlp_get(ndlp); | |
2e0fef85 | 3919 | elsiocb->vport = vport; |
dea3101e JB |
3920 | |
3921 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
3922 | cmd &= ELS_CMD_MASK; | |
3923 | } | |
3924 | /* ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
3925 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3926 | "0112 ELS command x%x received from NPORT x%x " | |
3927 | "Data: x%x\n", cmd, did, vport->port_state); | |
dea3101e JB |
3928 | switch (cmd) { |
3929 | case ELS_CMD_PLOGI: | |
858c9f6c JS |
3930 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3931 | "RCV PLOGI: did:x%x/ste:x%x flg:x%x", | |
3932 | did, vport->port_state, ndlp->nlp_flag); | |
3933 | ||
dea3101e | 3934 | phba->fc_stat.elsRcvPLOGI++; |
858c9f6c JS |
3935 | ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); |
3936 | ||
3937 | if (vport->port_state < LPFC_DISC_AUTH) { | |
3938 | rjt_err = LSRJT_UNABLE_TPC; | |
dea3101e JB |
3939 | break; |
3940 | } | |
87af33fe JS |
3941 | |
3942 | shost = lpfc_shost_from_vport(vport); | |
3943 | spin_lock_irq(shost->host_lock); | |
3944 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; | |
3945 | spin_unlock_irq(shost->host_lock); | |
3946 | ||
2e0fef85 JS |
3947 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3948 | NLP_EVT_RCV_PLOGI); | |
858c9f6c | 3949 | |
dea3101e JB |
3950 | break; |
3951 | case ELS_CMD_FLOGI: | |
858c9f6c JS |
3952 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3953 | "RCV FLOGI: did:x%x/ste:x%x flg:x%x", | |
3954 | did, vport->port_state, ndlp->nlp_flag); | |
3955 | ||
dea3101e | 3956 | phba->fc_stat.elsRcvFLOGI++; |
51ef4c26 | 3957 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp); |
87af33fe | 3958 | if (newnode) |
98c9ea5c | 3959 | lpfc_nlp_put(ndlp); |
dea3101e JB |
3960 | break; |
3961 | case ELS_CMD_LOGO: | |
858c9f6c JS |
3962 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3963 | "RCV LOGO: did:x%x/ste:x%x flg:x%x", | |
3964 | did, vport->port_state, ndlp->nlp_flag); | |
3965 | ||
dea3101e | 3966 | phba->fc_stat.elsRcvLOGO++; |
2e0fef85 | 3967 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3968 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3969 | break; |
3970 | } | |
2e0fef85 | 3971 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
dea3101e JB |
3972 | break; |
3973 | case ELS_CMD_PRLO: | |
858c9f6c JS |
3974 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3975 | "RCV PRLO: did:x%x/ste:x%x flg:x%x", | |
3976 | did, vport->port_state, ndlp->nlp_flag); | |
3977 | ||
dea3101e | 3978 | phba->fc_stat.elsRcvPRLO++; |
2e0fef85 | 3979 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3980 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3981 | break; |
3982 | } | |
2e0fef85 | 3983 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
dea3101e JB |
3984 | break; |
3985 | case ELS_CMD_RSCN: | |
3986 | phba->fc_stat.elsRcvRSCN++; | |
51ef4c26 | 3987 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp); |
87af33fe | 3988 | if (newnode) |
98c9ea5c | 3989 | lpfc_nlp_put(ndlp); |
dea3101e JB |
3990 | break; |
3991 | case ELS_CMD_ADISC: | |
858c9f6c JS |
3992 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
3993 | "RCV ADISC: did:x%x/ste:x%x flg:x%x", | |
3994 | did, vport->port_state, ndlp->nlp_flag); | |
3995 | ||
dea3101e | 3996 | phba->fc_stat.elsRcvADISC++; |
2e0fef85 | 3997 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 3998 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
3999 | break; |
4000 | } | |
2e0fef85 JS |
4001 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
4002 | NLP_EVT_RCV_ADISC); | |
dea3101e JB |
4003 | break; |
4004 | case ELS_CMD_PDISC: | |
858c9f6c JS |
4005 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4006 | "RCV PDISC: did:x%x/ste:x%x flg:x%x", | |
4007 | did, vport->port_state, ndlp->nlp_flag); | |
4008 | ||
dea3101e | 4009 | phba->fc_stat.elsRcvPDISC++; |
2e0fef85 | 4010 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 4011 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
4012 | break; |
4013 | } | |
2e0fef85 JS |
4014 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
4015 | NLP_EVT_RCV_PDISC); | |
dea3101e JB |
4016 | break; |
4017 | case ELS_CMD_FARPR: | |
858c9f6c JS |
4018 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4019 | "RCV FARPR: did:x%x/ste:x%x flg:x%x", | |
4020 | did, vport->port_state, ndlp->nlp_flag); | |
4021 | ||
dea3101e | 4022 | phba->fc_stat.elsRcvFARPR++; |
2e0fef85 | 4023 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
dea3101e JB |
4024 | break; |
4025 | case ELS_CMD_FARP: | |
858c9f6c JS |
4026 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4027 | "RCV FARP: did:x%x/ste:x%x flg:x%x", | |
4028 | did, vport->port_state, ndlp->nlp_flag); | |
4029 | ||
dea3101e | 4030 | phba->fc_stat.elsRcvFARP++; |
2e0fef85 | 4031 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
dea3101e JB |
4032 | break; |
4033 | case ELS_CMD_FAN: | |
858c9f6c JS |
4034 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4035 | "RCV FAN: did:x%x/ste:x%x flg:x%x", | |
4036 | did, vport->port_state, ndlp->nlp_flag); | |
4037 | ||
dea3101e | 4038 | phba->fc_stat.elsRcvFAN++; |
2e0fef85 | 4039 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
dea3101e | 4040 | break; |
dea3101e | 4041 | case ELS_CMD_PRLI: |
858c9f6c JS |
4042 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4043 | "RCV PRLI: did:x%x/ste:x%x flg:x%x", | |
4044 | did, vport->port_state, ndlp->nlp_flag); | |
4045 | ||
dea3101e | 4046 | phba->fc_stat.elsRcvPRLI++; |
2e0fef85 | 4047 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 4048 | rjt_err = LSRJT_UNABLE_TPC; |
dea3101e JB |
4049 | break; |
4050 | } | |
2e0fef85 | 4051 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
dea3101e | 4052 | break; |
7bb3b137 | 4053 | case ELS_CMD_LIRR: |
858c9f6c JS |
4054 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4055 | "RCV LIRR: did:x%x/ste:x%x flg:x%x", | |
4056 | did, vport->port_state, ndlp->nlp_flag); | |
4057 | ||
7bb3b137 | 4058 | phba->fc_stat.elsRcvLIRR++; |
2e0fef85 | 4059 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
87af33fe | 4060 | if (newnode) |
98c9ea5c | 4061 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
4062 | break; |
4063 | case ELS_CMD_RPS: | |
858c9f6c JS |
4064 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4065 | "RCV RPS: did:x%x/ste:x%x flg:x%x", | |
4066 | did, vport->port_state, ndlp->nlp_flag); | |
4067 | ||
7bb3b137 | 4068 | phba->fc_stat.elsRcvRPS++; |
2e0fef85 | 4069 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
87af33fe | 4070 | if (newnode) |
98c9ea5c | 4071 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
4072 | break; |
4073 | case ELS_CMD_RPL: | |
858c9f6c JS |
4074 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4075 | "RCV RPL: did:x%x/ste:x%x flg:x%x", | |
4076 | did, vport->port_state, ndlp->nlp_flag); | |
4077 | ||
7bb3b137 | 4078 | phba->fc_stat.elsRcvRPL++; |
2e0fef85 | 4079 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
87af33fe | 4080 | if (newnode) |
98c9ea5c | 4081 | lpfc_nlp_put(ndlp); |
7bb3b137 | 4082 | break; |
dea3101e | 4083 | case ELS_CMD_RNID: |
858c9f6c JS |
4084 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4085 | "RCV RNID: did:x%x/ste:x%x flg:x%x", | |
4086 | did, vport->port_state, ndlp->nlp_flag); | |
4087 | ||
dea3101e | 4088 | phba->fc_stat.elsRcvRNID++; |
2e0fef85 | 4089 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
87af33fe | 4090 | if (newnode) |
98c9ea5c | 4091 | lpfc_nlp_put(ndlp); |
dea3101e JB |
4092 | break; |
4093 | default: | |
858c9f6c JS |
4094 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
4095 | "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x", | |
4096 | cmd, did, vport->port_state); | |
4097 | ||
dea3101e | 4098 | /* Unsupported ELS command, reject */ |
858c9f6c | 4099 | rjt_err = LSRJT_INVALID_CMD; |
dea3101e JB |
4100 | |
4101 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
4102 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4103 | "0115 Unknown ELS command x%x " | |
4104 | "received from NPORT x%x\n", cmd, did); | |
87af33fe | 4105 | if (newnode) |
98c9ea5c | 4106 | lpfc_nlp_put(ndlp); |
dea3101e JB |
4107 | break; |
4108 | } | |
4109 | ||
4110 | /* check if need to LS_RJT received ELS cmd */ | |
4111 | if (rjt_err) { | |
92d7f7b0 | 4112 | memset(&stat, 0, sizeof(stat)); |
858c9f6c | 4113 | stat.un.b.lsRjtRsnCode = rjt_err; |
1f679caf | 4114 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
858c9f6c JS |
4115 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp, |
4116 | NULL); | |
dea3101e JB |
4117 | } |
4118 | ||
ed957684 JS |
4119 | return; |
4120 | ||
4121 | dropit: | |
98c9ea5c JS |
4122 | if (vport && !(vport->load_flag & FC_UNLOADING)) |
4123 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
e8b62011 | 4124 | "(%d):0111 Dropping received ELS cmd " |
ed957684 | 4125 | "Data: x%x x%x x%x\n", |
98c9ea5c | 4126 | vport->vpi, icmd->ulpStatus, |
e8b62011 | 4127 | icmd->un.ulpWord[4], icmd->ulpTimeout); |
ed957684 JS |
4128 | phba->fc_stat.elsRcvDrop++; |
4129 | } | |
4130 | ||
92d7f7b0 JS |
4131 | static struct lpfc_vport * |
4132 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) | |
4133 | { | |
4134 | struct lpfc_vport *vport; | |
549e55cd | 4135 | unsigned long flags; |
92d7f7b0 | 4136 | |
549e55cd | 4137 | spin_lock_irqsave(&phba->hbalock, flags); |
92d7f7b0 | 4138 | list_for_each_entry(vport, &phba->port_list, listentry) { |
549e55cd JS |
4139 | if (vport->vpi == vpi) { |
4140 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
92d7f7b0 | 4141 | return vport; |
549e55cd | 4142 | } |
92d7f7b0 | 4143 | } |
549e55cd | 4144 | spin_unlock_irqrestore(&phba->hbalock, flags); |
92d7f7b0 JS |
4145 | return NULL; |
4146 | } | |
ed957684 JS |
4147 | |
4148 | void | |
4149 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
4150 | struct lpfc_iocbq *elsiocb) | |
4151 | { | |
4152 | struct lpfc_vport *vport = phba->pport; | |
ed957684 | 4153 | IOCB_t *icmd = &elsiocb->iocb; |
ed957684 | 4154 | dma_addr_t paddr; |
92d7f7b0 JS |
4155 | struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; |
4156 | struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; | |
4157 | ||
4158 | elsiocb->context2 = NULL; | |
4159 | elsiocb->context3 = NULL; | |
ed957684 | 4160 | |
92d7f7b0 JS |
4161 | if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { |
4162 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
4163 | } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && | |
4164 | (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) { | |
ed957684 JS |
4165 | phba->fc_stat.NoRcvBuf++; |
4166 | /* Not enough posted buffers; Try posting more buffers */ | |
92d7f7b0 | 4167 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
ed957684 JS |
4168 | lpfc_post_buffer(phba, pring, 0, 1); |
4169 | return; | |
4170 | } | |
4171 | ||
92d7f7b0 JS |
4172 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
4173 | (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || | |
4174 | icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
4175 | if (icmd->unsli3.rcvsli3.vpi == 0xffff) | |
4176 | vport = phba->pport; | |
4177 | else { | |
4178 | uint16_t vpi = icmd->unsli3.rcvsli3.vpi; | |
4179 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
4180 | } | |
4181 | } | |
4182 | /* If there are no BDEs associated | |
4183 | * with this IOCB, there is nothing to do. | |
4184 | */ | |
ed957684 JS |
4185 | if (icmd->ulpBdeCount == 0) |
4186 | return; | |
4187 | ||
92d7f7b0 JS |
4188 | /* type of ELS cmd is first 32bit word |
4189 | * in packet | |
4190 | */ | |
ed957684 | 4191 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
92d7f7b0 | 4192 | elsiocb->context2 = bdeBuf1; |
ed957684 JS |
4193 | } else { |
4194 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, | |
4195 | icmd->un.cont64[0].addrLow); | |
92d7f7b0 JS |
4196 | elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, |
4197 | paddr); | |
ed957684 JS |
4198 | } |
4199 | ||
92d7f7b0 JS |
4200 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
4201 | /* | |
4202 | * The different unsolicited event handlers would tell us | |
4203 | * if they are done with "mp" by setting context2 to NULL. | |
4204 | */ | |
329f9bc7 JS |
4205 | lpfc_nlp_put(elsiocb->context1); |
4206 | elsiocb->context1 = NULL; | |
dea3101e | 4207 | if (elsiocb->context2) { |
92d7f7b0 JS |
4208 | lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); |
4209 | elsiocb->context2 = NULL; | |
dea3101e | 4210 | } |
ed957684 JS |
4211 | |
4212 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ | |
92d7f7b0 | 4213 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && |
ed957684 | 4214 | icmd->ulpBdeCount == 2) { |
92d7f7b0 JS |
4215 | elsiocb->context2 = bdeBuf2; |
4216 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); | |
ed957684 JS |
4217 | /* free mp if we are done with it */ |
4218 | if (elsiocb->context2) { | |
92d7f7b0 JS |
4219 | lpfc_in_buf_free(phba, elsiocb->context2); |
4220 | elsiocb->context2 = NULL; | |
4221 | } | |
4222 | } | |
4223 | } | |
4224 | ||
4225 | void | |
4226 | lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4227 | { | |
4228 | struct lpfc_nodelist *ndlp, *ndlp_fdmi; | |
4229 | ||
4230 | ndlp = lpfc_findnode_did(vport, NameServer_DID); | |
4231 | if (!ndlp) { | |
4232 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
4233 | if (!ndlp) { | |
4234 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
4235 | lpfc_disc_start(vport); | |
4236 | return; | |
4237 | } | |
4238 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4239 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4240 | "0251 NameServer login: no memory\n"); | |
92d7f7b0 JS |
4241 | return; |
4242 | } | |
4243 | lpfc_nlp_init(vport, ndlp, NameServer_DID); | |
4244 | ndlp->nlp_type |= NLP_FABRIC; | |
4245 | } | |
4246 | ||
4247 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
4248 | ||
4249 | if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { | |
4250 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4251 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4252 | "0252 Cannot issue NameServer login\n"); | |
92d7f7b0 JS |
4253 | return; |
4254 | } | |
4255 | ||
3de2a653 | 4256 | if (vport->cfg_fdmi_on) { |
92d7f7b0 JS |
4257 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
4258 | GFP_KERNEL); | |
4259 | if (ndlp_fdmi) { | |
4260 | lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); | |
4261 | ndlp_fdmi->nlp_type |= NLP_FABRIC; | |
4262 | ndlp_fdmi->nlp_state = | |
4263 | NLP_STE_PLOGI_ISSUE; | |
4264 | lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID, | |
4265 | 0); | |
4266 | } | |
4267 | } | |
4268 | return; | |
4269 | } | |
4270 | ||
4271 | static void | |
4272 | lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
4273 | { | |
4274 | struct lpfc_vport *vport = pmb->vport; | |
4275 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4276 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4277 | MAILBOX_t *mb = &pmb->mb; | |
4278 | ||
4279 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4280 | lpfc_nlp_put(ndlp); | |
4281 | ||
4282 | if (mb->mbxStatus) { | |
e8b62011 JS |
4283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4284 | "0915 Register VPI failed: 0x%x\n", | |
4285 | mb->mbxStatus); | |
92d7f7b0 JS |
4286 | |
4287 | switch (mb->mbxStatus) { | |
4288 | case 0x11: /* unsupported feature */ | |
4289 | case 0x9603: /* max_vpi exceeded */ | |
4290 | /* giving up on vport registration */ | |
4291 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4292 | spin_lock_irq(shost->host_lock); | |
4293 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
4294 | spin_unlock_irq(shost->host_lock); | |
4295 | lpfc_can_disctmo(vport); | |
4296 | break; | |
4297 | default: | |
4298 | /* Try to recover from this error */ | |
4299 | lpfc_mbx_unreg_vpi(vport); | |
4300 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
4301 | lpfc_initial_fdisc(vport); | |
4302 | break; | |
4303 | } | |
4304 | ||
4305 | } else { | |
4306 | if (vport == phba->pport) | |
4307 | lpfc_issue_fabric_reglogin(vport); | |
4308 | else | |
4309 | lpfc_do_scr_ns_plogi(phba, vport); | |
4310 | } | |
4311 | mempool_free(pmb, phba->mbox_mem_pool); | |
4312 | return; | |
4313 | } | |
4314 | ||
a6ababd2 | 4315 | static void |
92d7f7b0 JS |
4316 | lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, |
4317 | struct lpfc_nodelist *ndlp) | |
4318 | { | |
4319 | LPFC_MBOXQ_t *mbox; | |
4320 | ||
4321 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4322 | if (mbox) { | |
4323 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); | |
4324 | mbox->vport = vport; | |
4325 | mbox->context2 = lpfc_nlp_get(ndlp); | |
4326 | mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; | |
0b727fea | 4327 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
92d7f7b0 JS |
4328 | == MBX_NOT_FINISHED) { |
4329 | mempool_free(mbox, phba->mbox_mem_pool); | |
4330 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4331 | ||
4332 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
4333 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4334 | "0253 Register VPI: Can't send mbox\n"); | |
92d7f7b0 JS |
4335 | } |
4336 | } else { | |
4337 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4338 | ||
e8b62011 JS |
4339 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
4340 | "0254 Register VPI: no memory\n"); | |
92d7f7b0 JS |
4341 | |
4342 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
4343 | lpfc_nlp_put(ndlp); | |
4344 | } | |
4345 | } | |
4346 | ||
4347 | static void | |
4348 | lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4349 | struct lpfc_iocbq *rspiocb) | |
4350 | { | |
4351 | struct lpfc_vport *vport = cmdiocb->vport; | |
4352 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4353 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
4354 | struct lpfc_nodelist *np; | |
4355 | struct lpfc_nodelist *next_np; | |
4356 | IOCB_t *irsp = &rspiocb->iocb; | |
4357 | struct lpfc_iocbq *piocb; | |
4358 | ||
e8b62011 JS |
4359 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4360 | "0123 FDISC completes. x%x/x%x prevDID: x%x\n", | |
4361 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
4362 | vport->fc_prevDID); | |
92d7f7b0 JS |
4363 | /* Since all FDISCs are being single threaded, we |
4364 | * must reset the discovery timer for ALL vports | |
4365 | * waiting to send FDISC when one completes. | |
4366 | */ | |
4367 | list_for_each_entry(piocb, &phba->fabric_iocb_list, list) { | |
4368 | lpfc_set_disctmo(piocb->vport); | |
4369 | } | |
4370 | ||
858c9f6c JS |
4371 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4372 | "FDISC cmpl: status:x%x/x%x prevdid:x%x", | |
4373 | irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); | |
4374 | ||
92d7f7b0 JS |
4375 | if (irsp->ulpStatus) { |
4376 | /* Check for retry */ | |
4377 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) | |
4378 | goto out; | |
92d7f7b0 | 4379 | /* FDISC failed */ |
e8b62011 JS |
4380 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4381 | "0124 FDISC failed. (%d/%d)\n", | |
4382 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
92d7f7b0 JS |
4383 | if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) |
4384 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
4385 | ||
4386 | lpfc_nlp_put(ndlp); | |
4387 | /* giving up on FDISC. Cancel discovery timer */ | |
4388 | lpfc_can_disctmo(vport); | |
4389 | } else { | |
4390 | spin_lock_irq(shost->host_lock); | |
4391 | vport->fc_flag |= FC_FABRIC; | |
4392 | if (vport->phba->fc_topology == TOPOLOGY_LOOP) | |
4393 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
4394 | spin_unlock_irq(shost->host_lock); | |
4395 | ||
4396 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; | |
4397 | lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); | |
4398 | if ((vport->fc_prevDID != vport->fc_myDID) && | |
4399 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
4400 | /* If our NportID changed, we need to ensure all | |
4401 | * remaining NPORTs get unreg_login'ed so we can | |
4402 | * issue unreg_vpi. | |
4403 | */ | |
4404 | list_for_each_entry_safe(np, next_np, | |
4405 | &vport->fc_nodes, nlp_listp) { | |
4406 | if (np->nlp_state != NLP_STE_NPR_NODE | |
4407 | || !(np->nlp_flag & NLP_NPR_ADISC)) | |
4408 | continue; | |
4409 | spin_lock_irq(shost->host_lock); | |
4410 | np->nlp_flag &= ~NLP_NPR_ADISC; | |
4411 | spin_unlock_irq(shost->host_lock); | |
4412 | lpfc_unreg_rpi(vport, np); | |
4413 | } | |
4414 | lpfc_mbx_unreg_vpi(vport); | |
4415 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
4416 | } | |
4417 | ||
4418 | if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) | |
4419 | lpfc_register_new_vport(phba, vport, ndlp); | |
4420 | else | |
4421 | lpfc_do_scr_ns_plogi(phba, vport); | |
4422 | ||
4423 | lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */ | |
4424 | } | |
4425 | ||
4426 | out: | |
4427 | lpfc_els_free_iocb(phba, cmdiocb); | |
4428 | } | |
4429 | ||
a6ababd2 | 4430 | static int |
92d7f7b0 JS |
4431 | lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4432 | uint8_t retry) | |
4433 | { | |
4434 | struct lpfc_hba *phba = vport->phba; | |
4435 | IOCB_t *icmd; | |
4436 | struct lpfc_iocbq *elsiocb; | |
4437 | struct serv_parm *sp; | |
4438 | uint8_t *pcmd; | |
4439 | uint16_t cmdsize; | |
4440 | int did = ndlp->nlp_DID; | |
4441 | int rc; | |
92d7f7b0 JS |
4442 | |
4443 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); | |
4444 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, | |
4445 | ELS_CMD_FDISC); | |
4446 | if (!elsiocb) { | |
92d7f7b0 | 4447 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
4448 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4449 | "0255 Issue FDISC: no IOCB\n"); | |
92d7f7b0 JS |
4450 | return 1; |
4451 | } | |
4452 | ||
4453 | icmd = &elsiocb->iocb; | |
4454 | icmd->un.elsreq64.myID = 0; | |
4455 | icmd->un.elsreq64.fl = 1; | |
4456 | ||
4457 | /* For FDISC, Let FDISC rsp set the NPortID for this VPI */ | |
4458 | icmd->ulpCt_h = 1; | |
4459 | icmd->ulpCt_l = 0; | |
4460 | ||
4461 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
4462 | *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; | |
4463 | pcmd += sizeof(uint32_t); /* CSP Word 1 */ | |
4464 | memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); | |
4465 | sp = (struct serv_parm *) pcmd; | |
4466 | /* Setup CSPs accordingly for Fabric */ | |
4467 | sp->cmn.e_d_tov = 0; | |
4468 | sp->cmn.w2.r_a_tov = 0; | |
4469 | sp->cls1.classValid = 0; | |
4470 | sp->cls2.seqDelivery = 1; | |
4471 | sp->cls3.seqDelivery = 1; | |
4472 | ||
4473 | pcmd += sizeof(uint32_t); /* CSP Word 2 */ | |
4474 | pcmd += sizeof(uint32_t); /* CSP Word 3 */ | |
4475 | pcmd += sizeof(uint32_t); /* CSP Word 4 */ | |
4476 | pcmd += sizeof(uint32_t); /* Port Name */ | |
4477 | memcpy(pcmd, &vport->fc_portname, 8); | |
4478 | pcmd += sizeof(uint32_t); /* Node Name */ | |
4479 | pcmd += sizeof(uint32_t); /* Node Name */ | |
4480 | memcpy(pcmd, &vport->fc_nodename, 8); | |
4481 | ||
4482 | lpfc_set_disctmo(vport); | |
4483 | ||
4484 | phba->fc_stat.elsXmitFDISC++; | |
4485 | elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; | |
4486 | ||
858c9f6c JS |
4487 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4488 | "Issue FDISC: did:x%x", | |
4489 | did, 0, 0); | |
4490 | ||
92d7f7b0 JS |
4491 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
4492 | if (rc == IOCB_ERROR) { | |
4493 | lpfc_els_free_iocb(phba, elsiocb); | |
92d7f7b0 | 4494 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
4495 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
4496 | "0256 Issue FDISC: Cannot send IOCB\n"); | |
92d7f7b0 JS |
4497 | return 1; |
4498 | } | |
4499 | lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); | |
4500 | vport->port_state = LPFC_FDISC; | |
4501 | return 0; | |
4502 | } | |
4503 | ||
4504 | static void | |
4505 | lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4506 | struct lpfc_iocbq *rspiocb) | |
4507 | { | |
4508 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c JS |
4509 | IOCB_t *irsp; |
4510 | ||
4511 | irsp = &rspiocb->iocb; | |
4512 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
4513 | "LOGO npiv cmpl: status:x%x/x%x did:x%x", | |
4514 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID); | |
92d7f7b0 JS |
4515 | |
4516 | lpfc_els_free_iocb(phba, cmdiocb); | |
4517 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
4518 | } | |
4519 | ||
4520 | int | |
4521 | lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
4522 | { | |
4523 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4524 | struct lpfc_hba *phba = vport->phba; | |
4525 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4526 | IOCB_t *icmd; | |
4527 | struct lpfc_iocbq *elsiocb; | |
4528 | uint8_t *pcmd; | |
4529 | uint16_t cmdsize; | |
4530 | ||
4531 | cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name); | |
4532 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, | |
4533 | ELS_CMD_LOGO); | |
4534 | if (!elsiocb) | |
4535 | return 1; | |
4536 | ||
4537 | icmd = &elsiocb->iocb; | |
4538 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
4539 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
4540 | pcmd += sizeof(uint32_t); | |
4541 | ||
4542 | /* Fill in LOGO payload */ | |
4543 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); | |
4544 | pcmd += sizeof(uint32_t); | |
4545 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
4546 | ||
858c9f6c JS |
4547 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4548 | "Issue LOGO npiv did:x%x flg:x%x", | |
4549 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4550 | ||
92d7f7b0 JS |
4551 | elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; |
4552 | spin_lock_irq(shost->host_lock); | |
4553 | ndlp->nlp_flag |= NLP_LOGO_SND; | |
4554 | spin_unlock_irq(shost->host_lock); | |
4555 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
4556 | spin_lock_irq(shost->host_lock); | |
4557 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
4558 | spin_unlock_irq(shost->host_lock); | |
4559 | lpfc_els_free_iocb(phba, elsiocb); | |
4560 | return 1; | |
4561 | } | |
4562 | return 0; | |
4563 | } | |
4564 | ||
4565 | void | |
4566 | lpfc_fabric_block_timeout(unsigned long ptr) | |
4567 | { | |
4568 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; | |
4569 | unsigned long iflags; | |
4570 | uint32_t tmo_posted; | |
4571 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
4572 | tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO; | |
4573 | if (!tmo_posted) | |
4574 | phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO; | |
4575 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
4576 | ||
4577 | if (!tmo_posted) { | |
4578 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4579 | if (phba->work_wait) | |
4580 | lpfc_worker_wake_up(phba); | |
4581 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4582 | } | |
4583 | } | |
4584 | ||
4585 | static void | |
4586 | lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) | |
4587 | { | |
4588 | struct lpfc_iocbq *iocb; | |
4589 | unsigned long iflags; | |
4590 | int ret; | |
4591 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4592 | IOCB_t *cmd; | |
4593 | ||
4594 | repeat: | |
4595 | iocb = NULL; | |
4596 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4597 | /* Post any pending iocb to the SLI layer */ | |
4598 | if (atomic_read(&phba->fabric_iocb_count) == 0) { | |
4599 | list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), | |
4600 | list); | |
4601 | if (iocb) | |
4602 | atomic_inc(&phba->fabric_iocb_count); | |
4603 | } | |
4604 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4605 | if (iocb) { | |
4606 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
4607 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
4608 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
4609 | ||
858c9f6c JS |
4610 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
4611 | "Fabric sched1: ste:x%x", | |
4612 | iocb->vport->port_state, 0, 0); | |
4613 | ||
92d7f7b0 JS |
4614 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
4615 | ||
4616 | if (ret == IOCB_ERROR) { | |
4617 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
4618 | iocb->fabric_iocb_cmpl = NULL; | |
4619 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4620 | cmd = &iocb->iocb; | |
4621 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4622 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4623 | iocb->iocb_cmpl(phba, iocb, iocb); | |
4624 | ||
4625 | atomic_dec(&phba->fabric_iocb_count); | |
4626 | goto repeat; | |
4627 | } | |
4628 | } | |
4629 | ||
4630 | return; | |
4631 | } | |
4632 | ||
4633 | void | |
4634 | lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) | |
4635 | { | |
4636 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4637 | ||
4638 | lpfc_resume_fabric_iocbs(phba); | |
4639 | return; | |
4640 | } | |
4641 | ||
4642 | static void | |
4643 | lpfc_block_fabric_iocbs(struct lpfc_hba *phba) | |
4644 | { | |
4645 | int blocked; | |
4646 | ||
4647 | blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4648 | /* Start a timer to unblock fabric | |
4649 | * iocbs after 100ms | |
4650 | */ | |
4651 | if (!blocked) | |
4652 | mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 ); | |
4653 | ||
4654 | return; | |
4655 | } | |
4656 | ||
4657 | static void | |
4658 | lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
4659 | struct lpfc_iocbq *rspiocb) | |
4660 | { | |
4661 | struct ls_rjt stat; | |
4662 | ||
4663 | if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) | |
4664 | BUG(); | |
4665 | ||
4666 | switch (rspiocb->iocb.ulpStatus) { | |
4667 | case IOSTAT_NPORT_RJT: | |
4668 | case IOSTAT_FABRIC_RJT: | |
4669 | if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
4670 | lpfc_block_fabric_iocbs(phba); | |
ed957684 | 4671 | } |
92d7f7b0 JS |
4672 | break; |
4673 | ||
4674 | case IOSTAT_NPORT_BSY: | |
4675 | case IOSTAT_FABRIC_BSY: | |
4676 | lpfc_block_fabric_iocbs(phba); | |
4677 | break; | |
4678 | ||
4679 | case IOSTAT_LS_RJT: | |
4680 | stat.un.lsRjtError = | |
4681 | be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); | |
4682 | if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || | |
4683 | (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) | |
4684 | lpfc_block_fabric_iocbs(phba); | |
4685 | break; | |
4686 | } | |
4687 | ||
4688 | if (atomic_read(&phba->fabric_iocb_count) == 0) | |
4689 | BUG(); | |
4690 | ||
4691 | cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; | |
4692 | cmdiocb->fabric_iocb_cmpl = NULL; | |
4693 | cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4694 | cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); | |
4695 | ||
4696 | atomic_dec(&phba->fabric_iocb_count); | |
4697 | if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { | |
4698 | /* Post any pending iocbs to HBA */ | |
4699 | lpfc_resume_fabric_iocbs(phba); | |
4700 | } | |
4701 | } | |
4702 | ||
a6ababd2 | 4703 | static int |
92d7f7b0 JS |
4704 | lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) |
4705 | { | |
4706 | unsigned long iflags; | |
4707 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4708 | int ready; | |
4709 | int ret; | |
4710 | ||
4711 | if (atomic_read(&phba->fabric_iocb_count) > 1) | |
4712 | BUG(); | |
4713 | ||
4714 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4715 | ready = atomic_read(&phba->fabric_iocb_count) == 0 && | |
4716 | !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
4717 | ||
4718 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4719 | if (ready) { | |
4720 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
4721 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
4722 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
4723 | ||
858c9f6c JS |
4724 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
4725 | "Fabric sched2: ste:x%x", | |
4726 | iocb->vport->port_state, 0, 0); | |
4727 | ||
92d7f7b0 JS |
4728 | atomic_inc(&phba->fabric_iocb_count); |
4729 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); | |
4730 | ||
4731 | if (ret == IOCB_ERROR) { | |
4732 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
4733 | iocb->fabric_iocb_cmpl = NULL; | |
4734 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
4735 | atomic_dec(&phba->fabric_iocb_count); | |
4736 | } | |
4737 | } else { | |
4738 | spin_lock_irqsave(&phba->hbalock, iflags); | |
4739 | list_add_tail(&iocb->list, &phba->fabric_iocb_list); | |
4740 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
4741 | ret = IOCB_SUCCESS; | |
4742 | } | |
4743 | return ret; | |
4744 | } | |
4745 | ||
4746 | ||
a6ababd2 | 4747 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) |
92d7f7b0 JS |
4748 | { |
4749 | LIST_HEAD(completions); | |
4750 | struct lpfc_hba *phba = vport->phba; | |
4751 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4752 | IOCB_t *cmd; | |
4753 | ||
4754 | spin_lock_irq(&phba->hbalock); | |
4755 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4756 | list) { | |
4757 | ||
4758 | if (piocb->vport != vport) | |
4759 | continue; | |
4760 | ||
4761 | list_move_tail(&piocb->list, &completions); | |
4762 | } | |
4763 | spin_unlock_irq(&phba->hbalock); | |
4764 | ||
4765 | while (!list_empty(&completions)) { | |
4766 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4767 | list_del_init(&piocb->list); | |
4768 | ||
4769 | cmd = &piocb->iocb; | |
4770 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4771 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4772 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4773 | } | |
4774 | } | |
4775 | ||
4776 | void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) | |
4777 | { | |
4778 | LIST_HEAD(completions); | |
4779 | struct lpfc_hba *phba = ndlp->vport->phba; | |
4780 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4781 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4782 | IOCB_t *cmd; | |
4783 | ||
4784 | spin_lock_irq(&phba->hbalock); | |
4785 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4786 | list) { | |
4787 | if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) { | |
4788 | ||
4789 | list_move_tail(&piocb->list, &completions); | |
ed957684 | 4790 | } |
dea3101e | 4791 | } |
92d7f7b0 JS |
4792 | spin_unlock_irq(&phba->hbalock); |
4793 | ||
4794 | while (!list_empty(&completions)) { | |
4795 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4796 | list_del_init(&piocb->list); | |
4797 | ||
4798 | cmd = &piocb->iocb; | |
4799 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4800 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4801 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4802 | } | |
4803 | } | |
4804 | ||
4805 | void lpfc_fabric_abort_hba(struct lpfc_hba *phba) | |
4806 | { | |
4807 | LIST_HEAD(completions); | |
4808 | struct lpfc_iocbq *piocb; | |
4809 | IOCB_t *cmd; | |
4810 | ||
4811 | spin_lock_irq(&phba->hbalock); | |
4812 | list_splice_init(&phba->fabric_iocb_list, &completions); | |
4813 | spin_unlock_irq(&phba->hbalock); | |
4814 | ||
4815 | while (!list_empty(&completions)) { | |
4816 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4817 | list_del_init(&piocb->list); | |
4818 | ||
4819 | cmd = &piocb->iocb; | |
4820 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4821 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4822 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4823 | } | |
dea3101e | 4824 | } |
92d7f7b0 JS |
4825 | |
4826 | ||
a6ababd2 | 4827 | #if 0 |
92d7f7b0 JS |
4828 | void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) |
4829 | { | |
4830 | LIST_HEAD(completions); | |
4831 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
4832 | IOCB_t *cmd; | |
4833 | struct lpfc_nodelist *ndlp; | |
4834 | ||
4835 | spin_lock_irq(&phba->hbalock); | |
4836 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
4837 | list) { | |
4838 | ||
4839 | cmd = &piocb->iocb; | |
4840 | ndlp = (struct lpfc_nodelist *) piocb->context1; | |
4841 | if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR && | |
4842 | ndlp != NULL && | |
4843 | ndlp->nlp_DID == Fabric_DID) | |
4844 | list_move_tail(&piocb->list, &completions); | |
4845 | } | |
4846 | spin_unlock_irq(&phba->hbalock); | |
4847 | ||
4848 | while (!list_empty(&completions)) { | |
4849 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
4850 | list_del_init(&piocb->list); | |
4851 | ||
4852 | cmd = &piocb->iocb; | |
4853 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
4854 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
4855 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
4856 | } | |
4857 | } | |
a6ababd2 | 4858 | #endif /* 0 */ |
92d7f7b0 JS |
4859 | |
4860 |