| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 3 | * Fibre Channel Host Bus Adapters. * |
| 4 | * Copyright (C) 2004-2005 Emulex. All rights reserved. * |
| 5 | * EMULEX and SLI are trademarks of Emulex. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 6 | * www.emulex.com * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 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. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 20 | *******************************************************************/ |
| 21 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 22 | #include <linux/blkdev.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 26 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 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" |
| 38 | |
| 39 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, |
| 40 | struct lpfc_iocbq *); |
| 41 | static int lpfc_max_els_tries = 3; |
| 42 | |
| 43 | static int |
| 44 | lpfc_els_chk_latt(struct lpfc_hba * phba) |
| 45 | { |
| 46 | struct lpfc_sli *psli; |
| 47 | LPFC_MBOXQ_t *mbox; |
| 48 | uint32_t ha_copy; |
| 49 | int rc; |
| 50 | |
| 51 | psli = &phba->sli; |
| 52 | |
| 53 | if ((phba->hba_state >= LPFC_HBA_READY) || |
| 54 | (phba->hba_state == LPFC_LINK_DOWN)) |
| 55 | return 0; |
| 56 | |
| 57 | /* Read the HBA Host Attention Register */ |
| 58 | spin_lock_irq(phba->host->host_lock); |
| 59 | ha_copy = readl(phba->HAregaddr); |
| 60 | spin_unlock_irq(phba->host->host_lock); |
| 61 | |
| 62 | if (!(ha_copy & HA_LATT)) |
| 63 | return 0; |
| 64 | |
| 65 | /* Pending Link Event during Discovery */ |
| 66 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, |
| 67 | "%d:0237 Pending Link Event during " |
| 68 | "Discovery: State x%x\n", |
| 69 | phba->brd_no, phba->hba_state); |
| 70 | |
| 71 | /* CLEAR_LA should re-enable link attention events and |
| 72 | * we should then imediately take a LATT event. The |
| 73 | * LATT processing should call lpfc_linkdown() which |
| 74 | * will cleanup any left over in-progress discovery |
| 75 | * events. |
| 76 | */ |
| 77 | spin_lock_irq(phba->host->host_lock); |
| 78 | phba->fc_flag |= FC_ABORT_DISCOVERY; |
| 79 | spin_unlock_irq(phba->host->host_lock); |
| 80 | |
| 81 | if (phba->hba_state != LPFC_CLEAR_LA) { |
| 82 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| 83 | phba->hba_state = LPFC_CLEAR_LA; |
| 84 | lpfc_clear_la(phba, mbox); |
| 85 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| 86 | rc = lpfc_sli_issue_mbox (phba, mbox, |
| 87 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 88 | if (rc == MBX_NOT_FINISHED) { |
| 89 | mempool_free(mbox, phba->mbox_mem_pool); |
| 90 | phba->hba_state = LPFC_HBA_ERROR; |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return (1); |
| 96 | |
| 97 | } |
| 98 | |
| 99 | static struct lpfc_iocbq * |
| 100 | lpfc_prep_els_iocb(struct lpfc_hba * phba, |
| 101 | uint8_t expectRsp, |
| 102 | uint16_t cmdSize, |
| 103 | uint8_t retry, struct lpfc_nodelist * ndlp, uint32_t elscmd) |
| 104 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 105 | struct lpfc_sli_ring *pring; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 106 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 107 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
| 108 | struct ulp_bde64 *bpl; |
| 109 | IOCB_t *icmd; |
| 110 | |
| 111 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 112 | |
| 113 | if (phba->hba_state < LPFC_LINK_UP) |
| 114 | return NULL; |
| 115 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 116 | /* Allocate buffer for command iocb */ |
| 117 | spin_lock_irq(phba->host->host_lock); |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 118 | elsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 119 | spin_unlock_irq(phba->host->host_lock); |
| 120 | |
| 121 | if (elsiocb == NULL) |
| 122 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 123 | icmd = &elsiocb->iocb; |
| 124 | |
| 125 | /* fill in BDEs for command */ |
| 126 | /* Allocate buffer for command payload */ |
| 127 | if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || |
| 128 | ((pcmd->virt = lpfc_mbuf_alloc(phba, |
| 129 | MEM_PRI, &(pcmd->phys))) == 0)) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 130 | kfree(pcmd); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 131 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 132 | spin_lock_irq(phba->host->host_lock); |
| 133 | lpfc_sli_release_iocbq(phba, elsiocb); |
| 134 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 135 | return NULL; |
| 136 | } |
| 137 | |
| 138 | INIT_LIST_HEAD(&pcmd->list); |
| 139 | |
| 140 | /* Allocate buffer for response payload */ |
| 141 | if (expectRsp) { |
| 142 | prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| 143 | if (prsp) |
| 144 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 145 | &prsp->phys); |
| 146 | if (prsp == 0 || prsp->virt == 0) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 147 | kfree(prsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 148 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 149 | kfree(pcmd); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 150 | spin_lock_irq(phba->host->host_lock); |
| 151 | lpfc_sli_release_iocbq(phba, elsiocb); |
| 152 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 153 | return NULL; |
| 154 | } |
| 155 | INIT_LIST_HEAD(&prsp->list); |
| 156 | } else { |
| 157 | prsp = NULL; |
| 158 | } |
| 159 | |
| 160 | /* Allocate buffer for Buffer ptr list */ |
| 161 | pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| 162 | if (pbuflist) |
| 163 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 164 | &pbuflist->phys); |
| 165 | if (pbuflist == 0 || pbuflist->virt == 0) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 166 | spin_lock_irq(phba->host->host_lock); |
| 167 | lpfc_sli_release_iocbq(phba, elsiocb); |
| 168 | spin_unlock_irq(phba->host->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 169 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 170 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); |
| 171 | kfree(pcmd); |
| 172 | kfree(prsp); |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 173 | kfree(pbuflist); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 174 | return NULL; |
| 175 | } |
| 176 | |
| 177 | INIT_LIST_HEAD(&pbuflist->list); |
| 178 | |
| 179 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
| 180 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); |
| 181 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; |
| 182 | if (expectRsp) { |
| 183 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); |
| 184 | icmd->un.elsreq64.remoteID = ndlp->nlp_DID; /* DID */ |
| 185 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
| 186 | } else { |
| 187 | icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); |
| 188 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
| 189 | } |
| 190 | |
| 191 | icmd->ulpBdeCount = 1; |
| 192 | icmd->ulpLe = 1; |
| 193 | icmd->ulpClass = CLASS3; |
| 194 | |
| 195 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
| 196 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); |
| 197 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); |
| 198 | bpl->tus.f.bdeSize = cmdSize; |
| 199 | bpl->tus.f.bdeFlags = 0; |
| 200 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 201 | |
| 202 | if (expectRsp) { |
| 203 | bpl++; |
| 204 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); |
| 205 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); |
| 206 | bpl->tus.f.bdeSize = FCELSSIZE; |
| 207 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; |
| 208 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 209 | } |
| 210 | |
| 211 | /* Save for completion so we can release these resources */ |
| 212 | elsiocb->context1 = (uint8_t *) ndlp; |
| 213 | elsiocb->context2 = (uint8_t *) pcmd; |
| 214 | elsiocb->context3 = (uint8_t *) pbuflist; |
| 215 | elsiocb->retry = retry; |
| 216 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
| 217 | |
| 218 | if (prsp) { |
| 219 | list_add(&prsp->list, &pcmd->list); |
| 220 | } |
| 221 | |
| 222 | if (expectRsp) { |
| 223 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ |
| 224 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 225 | "%d:0116 Xmit ELS command x%x to remote " |
| 226 | "NPORT x%x Data: x%x x%x\n", |
| 227 | phba->brd_no, elscmd, |
| 228 | ndlp->nlp_DID, icmd->ulpIoTag, phba->hba_state); |
| 229 | } else { |
| 230 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ |
| 231 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 232 | "%d:0117 Xmit ELS response x%x to remote " |
| 233 | "NPORT x%x Data: x%x x%x\n", |
| 234 | phba->brd_no, elscmd, |
| 235 | ndlp->nlp_DID, icmd->ulpIoTag, cmdSize); |
| 236 | } |
| 237 | |
| 238 | return (elsiocb); |
| 239 | } |
| 240 | |
| 241 | |
| 242 | static int |
| 243 | lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, |
| 244 | struct serv_parm *sp, IOCB_t *irsp) |
| 245 | { |
| 246 | LPFC_MBOXQ_t *mbox; |
| 247 | int rc; |
| 248 | |
| 249 | spin_lock_irq(phba->host->host_lock); |
| 250 | phba->fc_flag |= FC_FABRIC; |
| 251 | spin_unlock_irq(phba->host->host_lock); |
| 252 | |
| 253 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); |
| 254 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ |
| 255 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; |
| 256 | |
| 257 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; |
| 258 | |
| 259 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 260 | spin_lock_irq(phba->host->host_lock); |
| 261 | phba->fc_flag |= FC_PUBLIC_LOOP; |
| 262 | spin_unlock_irq(phba->host->host_lock); |
| 263 | } else { |
| 264 | /* |
| 265 | * If we are a N-port connected to a Fabric, fixup sparam's so |
| 266 | * logins to devices on remote loops work. |
| 267 | */ |
| 268 | phba->fc_sparam.cmn.altBbCredit = 1; |
| 269 | } |
| 270 | |
| 271 | phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| 272 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
| 273 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
| 274 | ndlp->nlp_class_sup = 0; |
| 275 | if (sp->cls1.classValid) |
| 276 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 277 | if (sp->cls2.classValid) |
| 278 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 279 | if (sp->cls3.classValid) |
| 280 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 281 | if (sp->cls4.classValid) |
| 282 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 283 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| 284 | sp->cmn.bbRcvSizeLsb; |
| 285 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
| 286 | |
| 287 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 288 | if (!mbox) |
| 289 | goto fail; |
| 290 | |
| 291 | phba->hba_state = LPFC_FABRIC_CFG_LINK; |
| 292 | lpfc_config_link(phba, mbox); |
| 293 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 294 | |
| 295 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 296 | if (rc == MBX_NOT_FINISHED) |
| 297 | goto fail_free_mbox; |
| 298 | |
| 299 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 300 | if (!mbox) |
| 301 | goto fail; |
| 302 | |
| 303 | if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0)) |
| 304 | goto fail_free_mbox; |
| 305 | |
| 306 | /* |
| 307 | * set_slim mailbox command needs to execute first, |
| 308 | * queue this command to be processed later. |
| 309 | */ |
| 310 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
| 311 | mbox->context2 = ndlp; |
| 312 | |
| 313 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 314 | if (rc == MBX_NOT_FINISHED) |
| 315 | goto fail_free_mbox; |
| 316 | |
| 317 | return 0; |
| 318 | |
| 319 | fail_free_mbox: |
| 320 | mempool_free(mbox, phba->mbox_mem_pool); |
| 321 | fail: |
| 322 | return -ENXIO; |
| 323 | } |
| 324 | |
| 325 | /* |
| 326 | * We FLOGIed into an NPort, initiate pt2pt protocol |
| 327 | */ |
| 328 | static int |
| 329 | lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, |
| 330 | struct serv_parm *sp) |
| 331 | { |
| 332 | LPFC_MBOXQ_t *mbox; |
| 333 | int rc; |
| 334 | |
| 335 | spin_lock_irq(phba->host->host_lock); |
| 336 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 337 | spin_unlock_irq(phba->host->host_lock); |
| 338 | |
| 339 | phba->fc_edtov = FF_DEF_EDTOV; |
| 340 | phba->fc_ratov = FF_DEF_RATOV; |
| 341 | rc = memcmp(&phba->fc_portname, &sp->portName, |
| 342 | sizeof(struct lpfc_name)); |
| 343 | if (rc >= 0) { |
| 344 | /* This side will initiate the PLOGI */ |
| 345 | spin_lock_irq(phba->host->host_lock); |
| 346 | phba->fc_flag |= FC_PT2PT_PLOGI; |
| 347 | spin_unlock_irq(phba->host->host_lock); |
| 348 | |
| 349 | /* |
| 350 | * N_Port ID cannot be 0, set our to LocalID the other |
| 351 | * side will be RemoteID. |
| 352 | */ |
| 353 | |
| 354 | /* not equal */ |
| 355 | if (rc) |
| 356 | phba->fc_myDID = PT2PT_LocalID; |
| 357 | |
| 358 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 359 | if (!mbox) |
| 360 | goto fail; |
| 361 | |
| 362 | lpfc_config_link(phba, mbox); |
| 363 | |
| 364 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 365 | rc = lpfc_sli_issue_mbox(phba, mbox, |
| 366 | MBX_NOWAIT | MBX_STOP_IOCB); |
| 367 | if (rc == MBX_NOT_FINISHED) { |
| 368 | mempool_free(mbox, phba->mbox_mem_pool); |
| 369 | goto fail; |
| 370 | } |
| 371 | mempool_free(ndlp, phba->nlp_mem_pool); |
| 372 | |
| 373 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID); |
| 374 | if (!ndlp) { |
| 375 | /* |
| 376 | * Cannot find existing Fabric ndlp, so allocate a |
| 377 | * new one |
| 378 | */ |
| 379 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 380 | if (!ndlp) |
| 381 | goto fail; |
| 382 | |
| 383 | lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID); |
| 384 | } |
| 385 | |
| 386 | memcpy(&ndlp->nlp_portname, &sp->portName, |
| 387 | sizeof(struct lpfc_name)); |
| 388 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
| 389 | sizeof(struct lpfc_name)); |
| 390 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 391 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 392 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 393 | } else { |
| 394 | /* This side will wait for the PLOGI */ |
| 395 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 396 | } |
| 397 | |
| 398 | spin_lock_irq(phba->host->host_lock); |
| 399 | phba->fc_flag |= FC_PT2PT; |
| 400 | spin_unlock_irq(phba->host->host_lock); |
| 401 | |
| 402 | /* Start discovery - this should just do CLEAR_LA */ |
| 403 | lpfc_disc_start(phba); |
| 404 | return 0; |
| 405 | fail: |
| 406 | return -ENXIO; |
| 407 | } |
| 408 | |
| 409 | static void |
| 410 | lpfc_cmpl_els_flogi(struct lpfc_hba * phba, |
| 411 | struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) |
| 412 | { |
| 413 | IOCB_t *irsp = &rspiocb->iocb; |
| 414 | struct lpfc_nodelist *ndlp = cmdiocb->context1; |
| 415 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; |
| 416 | struct serv_parm *sp; |
| 417 | int rc; |
| 418 | |
| 419 | /* Check to see if link went down during discovery */ |
| 420 | if (lpfc_els_chk_latt(phba)) { |
| 421 | lpfc_nlp_remove(phba, ndlp); |
| 422 | goto out; |
| 423 | } |
| 424 | |
| 425 | if (irsp->ulpStatus) { |
| 426 | /* Check for retry */ |
| 427 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 428 | /* ELS command is being retried */ |
| 429 | goto out; |
| 430 | } |
| 431 | /* FLOGI failed, so there is no fabric */ |
| 432 | spin_lock_irq(phba->host->host_lock); |
| 433 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 434 | spin_unlock_irq(phba->host->host_lock); |
| 435 | |
| 436 | /* If private loop, then allow max outstandting els to be |
| 437 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
| 438 | * alpa map would take too long otherwise. |
| 439 | */ |
| 440 | if (phba->alpa_map[0] == 0) { |
| 441 | phba->cfg_discovery_threads = |
| 442 | LPFC_MAX_DISC_THREADS; |
| 443 | } |
| 444 | |
| 445 | /* FLOGI failure */ |
| 446 | lpfc_printf_log(phba, |
| 447 | KERN_INFO, |
| 448 | LOG_ELS, |
| 449 | "%d:0100 FLOGI failure Data: x%x x%x\n", |
| 450 | phba->brd_no, |
| 451 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
| 452 | goto flogifail; |
| 453 | } |
| 454 | |
| 455 | /* |
| 456 | * The FLogI succeeded. Sync the data for the CPU before |
| 457 | * accessing it. |
| 458 | */ |
| 459 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
| 460 | |
| 461 | sp = prsp->virt + sizeof(uint32_t); |
| 462 | |
| 463 | /* FLOGI completes successfully */ |
| 464 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 465 | "%d:0101 FLOGI completes sucessfully " |
| 466 | "Data: x%x x%x x%x x%x\n", |
| 467 | phba->brd_no, |
| 468 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, |
| 469 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); |
| 470 | |
| 471 | if (phba->hba_state == LPFC_FLOGI) { |
| 472 | /* |
| 473 | * If Common Service Parameters indicate Nport |
| 474 | * we are point to point, if Fport we are Fabric. |
| 475 | */ |
| 476 | if (sp->cmn.fPort) |
| 477 | rc = lpfc_cmpl_els_flogi_fabric(phba, ndlp, sp, irsp); |
| 478 | else |
| 479 | rc = lpfc_cmpl_els_flogi_nport(phba, ndlp, sp); |
| 480 | |
| 481 | if (!rc) |
| 482 | goto out; |
| 483 | } |
| 484 | |
| 485 | flogifail: |
| 486 | lpfc_nlp_remove(phba, ndlp); |
| 487 | |
| 488 | if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || |
| 489 | (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && |
| 490 | irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { |
| 491 | /* FLOGI failed, so just use loop map to make discovery list */ |
| 492 | lpfc_disc_list_loopmap(phba); |
| 493 | |
| 494 | /* Start discovery */ |
| 495 | lpfc_disc_start(phba); |
| 496 | } |
| 497 | |
| 498 | out: |
| 499 | lpfc_els_free_iocb(phba, cmdiocb); |
| 500 | } |
| 501 | |
| 502 | static int |
| 503 | lpfc_issue_els_flogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 504 | uint8_t retry) |
| 505 | { |
| 506 | struct serv_parm *sp; |
| 507 | IOCB_t *icmd; |
| 508 | struct lpfc_iocbq *elsiocb; |
| 509 | struct lpfc_sli_ring *pring; |
| 510 | uint8_t *pcmd; |
| 511 | uint16_t cmdsize; |
| 512 | uint32_t tmo; |
| 513 | int rc; |
| 514 | |
| 515 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 516 | |
| 517 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); |
| 518 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 519 | ndlp, ELS_CMD_FLOGI)) == 0) { |
| 520 | return (1); |
| 521 | } |
| 522 | |
| 523 | icmd = &elsiocb->iocb; |
| 524 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 525 | |
| 526 | /* For FLOGI request, remainder of payload is service parameters */ |
| 527 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; |
| 528 | pcmd += sizeof (uint32_t); |
| 529 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); |
| 530 | sp = (struct serv_parm *) pcmd; |
| 531 | |
| 532 | /* Setup CSPs accordingly for Fabric */ |
| 533 | sp->cmn.e_d_tov = 0; |
| 534 | sp->cmn.w2.r_a_tov = 0; |
| 535 | sp->cls1.classValid = 0; |
| 536 | sp->cls2.seqDelivery = 1; |
| 537 | sp->cls3.seqDelivery = 1; |
| 538 | if (sp->cmn.fcphLow < FC_PH3) |
| 539 | sp->cmn.fcphLow = FC_PH3; |
| 540 | if (sp->cmn.fcphHigh < FC_PH3) |
| 541 | sp->cmn.fcphHigh = FC_PH3; |
| 542 | |
| 543 | tmo = phba->fc_ratov; |
| 544 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; |
| 545 | lpfc_set_disctmo(phba); |
| 546 | phba->fc_ratov = tmo; |
| 547 | |
| 548 | phba->fc_stat.elsXmitFLOGI++; |
| 549 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; |
| 550 | spin_lock_irq(phba->host->host_lock); |
| 551 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 552 | spin_unlock_irq(phba->host->host_lock); |
| 553 | if (rc == IOCB_ERROR) { |
| 554 | lpfc_els_free_iocb(phba, elsiocb); |
| 555 | return (1); |
| 556 | } |
| 557 | return (0); |
| 558 | } |
| 559 | |
| 560 | int |
| 561 | lpfc_els_abort_flogi(struct lpfc_hba * phba) |
| 562 | { |
| 563 | struct lpfc_sli_ring *pring; |
| 564 | struct lpfc_iocbq *iocb, *next_iocb; |
| 565 | struct lpfc_nodelist *ndlp; |
| 566 | IOCB_t *icmd; |
| 567 | |
| 568 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
| 569 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 570 | "%d:0201 Abort outstanding I/O on NPort x%x\n", |
| 571 | phba->brd_no, Fabric_DID); |
| 572 | |
| 573 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 574 | |
| 575 | /* |
| 576 | * Check the txcmplq for an iocb that matches the nport the driver is |
| 577 | * searching for. |
| 578 | */ |
| 579 | spin_lock_irq(phba->host->host_lock); |
| 580 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 581 | icmd = &iocb->iocb; |
| 582 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { |
| 583 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
| 584 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { |
| 585 | list_del(&iocb->list); |
| 586 | pring->txcmplq_cnt--; |
| 587 | |
| 588 | if ((icmd->un.elsreq64.bdl.ulpIoTag32)) { |
| 589 | lpfc_sli_issue_abort_iotag32 |
| 590 | (phba, pring, iocb); |
| 591 | } |
| 592 | if (iocb->iocb_cmpl) { |
| 593 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 594 | icmd->un.ulpWord[4] = |
| 595 | IOERR_SLI_ABORTED; |
| 596 | spin_unlock_irq(phba->host->host_lock); |
| 597 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 598 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 599 | } else |
| 600 | lpfc_sli_release_iocbq(phba, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 601 | } |
| 602 | } |
| 603 | } |
| 604 | spin_unlock_irq(phba->host->host_lock); |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
| 609 | int |
| 610 | lpfc_initial_flogi(struct lpfc_hba * phba) |
| 611 | { |
| 612 | struct lpfc_nodelist *ndlp; |
| 613 | |
| 614 | /* First look for Fabric ndlp on the unmapped list */ |
| 615 | |
| 616 | if ((ndlp = |
| 617 | lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, |
| 618 | Fabric_DID)) == 0) { |
| 619 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
| 620 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) |
| 621 | == 0) { |
| 622 | return (0); |
| 623 | } |
| 624 | lpfc_nlp_init(phba, ndlp, Fabric_DID); |
| 625 | } |
| 626 | else { |
| 627 | phba->fc_unmap_cnt--; |
| 628 | list_del(&ndlp->nlp_listp); |
| 629 | spin_lock_irq(phba->host->host_lock); |
| 630 | ndlp->nlp_flag &= ~NLP_LIST_MASK; |
| 631 | spin_unlock_irq(phba->host->host_lock); |
| 632 | } |
| 633 | if (lpfc_issue_els_flogi(phba, ndlp, 0)) { |
| 634 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 635 | } |
| 636 | return (1); |
| 637 | } |
| 638 | |
| 639 | static void |
| 640 | lpfc_more_plogi(struct lpfc_hba * phba) |
| 641 | { |
| 642 | int sentplogi; |
| 643 | |
| 644 | if (phba->num_disc_nodes) |
| 645 | phba->num_disc_nodes--; |
| 646 | |
| 647 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ |
| 648 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 649 | "%d:0232 Continue discovery with %d PLOGIs to go " |
| 650 | "Data: x%x x%x x%x\n", |
| 651 | phba->brd_no, phba->num_disc_nodes, phba->fc_plogi_cnt, |
| 652 | phba->fc_flag, phba->hba_state); |
| 653 | |
| 654 | /* Check to see if there are more PLOGIs to be sent */ |
| 655 | if (phba->fc_flag & FC_NLP_MORE) { |
| 656 | /* go thru NPR list and issue any remaining ELS PLOGIs */ |
| 657 | sentplogi = lpfc_els_disc_plogi(phba); |
| 658 | } |
| 659 | return; |
| 660 | } |
| 661 | |
| 662 | static void |
| 663 | lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 664 | struct lpfc_iocbq * rspiocb) |
| 665 | { |
| 666 | IOCB_t *irsp; |
| 667 | struct lpfc_sli *psli; |
| 668 | struct lpfc_nodelist *ndlp; |
| 669 | int disc, rc, did, type; |
| 670 | |
| 671 | psli = &phba->sli; |
| 672 | |
| 673 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 674 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 675 | |
| 676 | irsp = &rspiocb->iocb; |
| 677 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 678 | spin_lock_irq(phba->host->host_lock); |
| 679 | ndlp->nlp_flag &= ~NLP_PLOGI_SND; |
| 680 | spin_unlock_irq(phba->host->host_lock); |
| 681 | |
| 682 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 683 | * is being used during discovery. |
| 684 | */ |
| 685 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
| 686 | rc = 0; |
| 687 | |
| 688 | /* PLOGI completes to NPort <nlp_DID> */ |
| 689 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 690 | "%d:0102 PLOGI completes to NPort x%x " |
| 691 | "Data: x%x x%x x%x x%x\n", |
| 692 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
| 693 | irsp->un.ulpWord[4], disc, phba->num_disc_nodes); |
| 694 | |
| 695 | /* Check to see if link went down during discovery */ |
| 696 | if (lpfc_els_chk_latt(phba)) { |
| 697 | spin_lock_irq(phba->host->host_lock); |
| 698 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 699 | spin_unlock_irq(phba->host->host_lock); |
| 700 | goto out; |
| 701 | } |
| 702 | |
| 703 | /* ndlp could be freed in DSM, save these values now */ |
| 704 | type = ndlp->nlp_type; |
| 705 | did = ndlp->nlp_DID; |
| 706 | |
| 707 | if (irsp->ulpStatus) { |
| 708 | /* Check for retry */ |
| 709 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 710 | /* ELS command is being retried */ |
| 711 | if (disc) { |
| 712 | spin_lock_irq(phba->host->host_lock); |
| 713 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 714 | spin_unlock_irq(phba->host->host_lock); |
| 715 | } |
| 716 | goto out; |
| 717 | } |
| 718 | |
| 719 | /* PLOGI failed */ |
| 720 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 721 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 722 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame^] | 723 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 724 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 725 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
| 726 | } |
| 727 | else { |
| 728 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 729 | NLP_EVT_CMPL_PLOGI); |
| 730 | } |
| 731 | } else { |
| 732 | /* Good status, call state machine */ |
| 733 | rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 734 | NLP_EVT_CMPL_PLOGI); |
| 735 | } |
| 736 | |
| 737 | if (type & NLP_FABRIC) { |
| 738 | /* If we cannot login to Nameserver, kick off discovery now */ |
| 739 | if ((did == NameServer_DID) && (rc == NLP_STE_FREED_NODE)) { |
| 740 | lpfc_disc_start(phba); |
| 741 | } |
| 742 | goto out; |
| 743 | } |
| 744 | |
| 745 | if (disc && phba->num_disc_nodes) { |
| 746 | /* Check to see if there are more PLOGIs to be sent */ |
| 747 | lpfc_more_plogi(phba); |
| 748 | } |
| 749 | |
| 750 | if (rc != NLP_STE_FREED_NODE) { |
| 751 | spin_lock_irq(phba->host->host_lock); |
| 752 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 753 | spin_unlock_irq(phba->host->host_lock); |
| 754 | } |
| 755 | |
| 756 | if (phba->num_disc_nodes == 0) { |
| 757 | if(disc) { |
| 758 | spin_lock_irq(phba->host->host_lock); |
| 759 | phba->fc_flag &= ~FC_NDISC_ACTIVE; |
| 760 | spin_unlock_irq(phba->host->host_lock); |
| 761 | } |
| 762 | lpfc_can_disctmo(phba); |
| 763 | if (phba->fc_flag & FC_RSCN_MODE) { |
| 764 | /* Check to see if more RSCNs came in while we were |
| 765 | * processing this one. |
| 766 | */ |
| 767 | if ((phba->fc_rscn_id_cnt == 0) && |
| 768 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { |
| 769 | spin_lock_irq(phba->host->host_lock); |
| 770 | phba->fc_flag &= ~FC_RSCN_MODE; |
| 771 | spin_unlock_irq(phba->host->host_lock); |
| 772 | } else { |
| 773 | lpfc_els_handle_rscn(phba); |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | out: |
| 779 | lpfc_els_free_iocb(phba, cmdiocb); |
| 780 | return; |
| 781 | } |
| 782 | |
| 783 | int |
| 784 | lpfc_issue_els_plogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 785 | uint8_t retry) |
| 786 | { |
| 787 | struct serv_parm *sp; |
| 788 | IOCB_t *icmd; |
| 789 | struct lpfc_iocbq *elsiocb; |
| 790 | struct lpfc_sli_ring *pring; |
| 791 | struct lpfc_sli *psli; |
| 792 | uint8_t *pcmd; |
| 793 | uint16_t cmdsize; |
| 794 | |
| 795 | psli = &phba->sli; |
| 796 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 797 | |
| 798 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); |
| 799 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 800 | ndlp, ELS_CMD_PLOGI)) == 0) { |
| 801 | return (1); |
| 802 | } |
| 803 | |
| 804 | icmd = &elsiocb->iocb; |
| 805 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 806 | |
| 807 | /* For PLOGI request, remainder of payload is service parameters */ |
| 808 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; |
| 809 | pcmd += sizeof (uint32_t); |
| 810 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); |
| 811 | sp = (struct serv_parm *) pcmd; |
| 812 | |
| 813 | if (sp->cmn.fcphLow < FC_PH_4_3) |
| 814 | sp->cmn.fcphLow = FC_PH_4_3; |
| 815 | |
| 816 | if (sp->cmn.fcphHigh < FC_PH3) |
| 817 | sp->cmn.fcphHigh = FC_PH3; |
| 818 | |
| 819 | phba->fc_stat.elsXmitPLOGI++; |
| 820 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; |
| 821 | spin_lock_irq(phba->host->host_lock); |
| 822 | ndlp->nlp_flag |= NLP_PLOGI_SND; |
| 823 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 824 | ndlp->nlp_flag &= ~NLP_PLOGI_SND; |
| 825 | spin_unlock_irq(phba->host->host_lock); |
| 826 | lpfc_els_free_iocb(phba, elsiocb); |
| 827 | return (1); |
| 828 | } |
| 829 | spin_unlock_irq(phba->host->host_lock); |
| 830 | return (0); |
| 831 | } |
| 832 | |
| 833 | static void |
| 834 | lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 835 | struct lpfc_iocbq * rspiocb) |
| 836 | { |
| 837 | IOCB_t *irsp; |
| 838 | struct lpfc_sli *psli; |
| 839 | struct lpfc_nodelist *ndlp; |
| 840 | |
| 841 | psli = &phba->sli; |
| 842 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 843 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 844 | |
| 845 | irsp = &(rspiocb->iocb); |
| 846 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 847 | spin_lock_irq(phba->host->host_lock); |
| 848 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
| 849 | spin_unlock_irq(phba->host->host_lock); |
| 850 | |
| 851 | /* PRLI completes to NPort <nlp_DID> */ |
| 852 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 853 | "%d:0103 PRLI completes to NPort x%x " |
| 854 | "Data: x%x x%x x%x\n", |
| 855 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
| 856 | irsp->un.ulpWord[4], phba->num_disc_nodes); |
| 857 | |
| 858 | phba->fc_prli_sent--; |
| 859 | /* Check to see if link went down during discovery */ |
| 860 | if (lpfc_els_chk_latt(phba)) |
| 861 | goto out; |
| 862 | |
| 863 | if (irsp->ulpStatus) { |
| 864 | /* Check for retry */ |
| 865 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 866 | /* ELS command is being retried */ |
| 867 | goto out; |
| 868 | } |
| 869 | /* PRLI failed */ |
| 870 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 871 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 872 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame^] | 873 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 874 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 875 | goto out; |
| 876 | } |
| 877 | else { |
| 878 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 879 | NLP_EVT_CMPL_PRLI); |
| 880 | } |
| 881 | } else { |
| 882 | /* Good status, call state machine */ |
| 883 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); |
| 884 | } |
| 885 | |
| 886 | out: |
| 887 | lpfc_els_free_iocb(phba, cmdiocb); |
| 888 | return; |
| 889 | } |
| 890 | |
| 891 | int |
| 892 | lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 893 | uint8_t retry) |
| 894 | { |
| 895 | PRLI *npr; |
| 896 | IOCB_t *icmd; |
| 897 | struct lpfc_iocbq *elsiocb; |
| 898 | struct lpfc_sli_ring *pring; |
| 899 | struct lpfc_sli *psli; |
| 900 | uint8_t *pcmd; |
| 901 | uint16_t cmdsize; |
| 902 | |
| 903 | psli = &phba->sli; |
| 904 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 905 | |
| 906 | cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); |
| 907 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 908 | ndlp, ELS_CMD_PRLI)) == 0) { |
| 909 | return (1); |
| 910 | } |
| 911 | |
| 912 | icmd = &elsiocb->iocb; |
| 913 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 914 | |
| 915 | /* For PRLI request, remainder of payload is service parameters */ |
| 916 | memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); |
| 917 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
| 918 | pcmd += sizeof (uint32_t); |
| 919 | |
| 920 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 921 | npr = (PRLI *) pcmd; |
| 922 | /* |
| 923 | * If our firmware version is 3.20 or later, |
| 924 | * set the following bits for FC-TAPE support. |
| 925 | */ |
| 926 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { |
| 927 | npr->ConfmComplAllowed = 1; |
| 928 | npr->Retry = 1; |
| 929 | npr->TaskRetryIdReq = 1; |
| 930 | } |
| 931 | npr->estabImagePair = 1; |
| 932 | npr->readXferRdyDis = 1; |
| 933 | |
| 934 | /* For FCP support */ |
| 935 | npr->prliType = PRLI_FCP_TYPE; |
| 936 | npr->initiatorFunc = 1; |
| 937 | |
| 938 | phba->fc_stat.elsXmitPRLI++; |
| 939 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; |
| 940 | spin_lock_irq(phba->host->host_lock); |
| 941 | ndlp->nlp_flag |= NLP_PRLI_SND; |
| 942 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 943 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
| 944 | spin_unlock_irq(phba->host->host_lock); |
| 945 | lpfc_els_free_iocb(phba, elsiocb); |
| 946 | return (1); |
| 947 | } |
| 948 | spin_unlock_irq(phba->host->host_lock); |
| 949 | phba->fc_prli_sent++; |
| 950 | return (0); |
| 951 | } |
| 952 | |
| 953 | static void |
| 954 | lpfc_more_adisc(struct lpfc_hba * phba) |
| 955 | { |
| 956 | int sentadisc; |
| 957 | |
| 958 | if (phba->num_disc_nodes) |
| 959 | phba->num_disc_nodes--; |
| 960 | |
| 961 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
| 962 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 963 | "%d:0210 Continue discovery with %d ADISCs to go " |
| 964 | "Data: x%x x%x x%x\n", |
| 965 | phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt, |
| 966 | phba->fc_flag, phba->hba_state); |
| 967 | |
| 968 | /* Check to see if there are more ADISCs to be sent */ |
| 969 | if (phba->fc_flag & FC_NLP_MORE) { |
| 970 | lpfc_set_disctmo(phba); |
| 971 | |
| 972 | /* go thru NPR list and issue any remaining ELS ADISCs */ |
| 973 | sentadisc = lpfc_els_disc_adisc(phba); |
| 974 | } |
| 975 | return; |
| 976 | } |
| 977 | |
| 978 | static void |
| 979 | lpfc_rscn_disc(struct lpfc_hba * phba) |
| 980 | { |
| 981 | /* RSCN discovery */ |
| 982 | /* go thru NPR list and issue ELS PLOGIs */ |
| 983 | if (phba->fc_npr_cnt) { |
| 984 | if (lpfc_els_disc_plogi(phba)) |
| 985 | return; |
| 986 | } |
| 987 | if (phba->fc_flag & FC_RSCN_MODE) { |
| 988 | /* Check to see if more RSCNs came in while we were |
| 989 | * processing this one. |
| 990 | */ |
| 991 | if ((phba->fc_rscn_id_cnt == 0) && |
| 992 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { |
| 993 | spin_lock_irq(phba->host->host_lock); |
| 994 | phba->fc_flag &= ~FC_RSCN_MODE; |
| 995 | spin_unlock_irq(phba->host->host_lock); |
| 996 | } else { |
| 997 | lpfc_els_handle_rscn(phba); |
| 998 | } |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | static void |
| 1003 | lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1004 | struct lpfc_iocbq * rspiocb) |
| 1005 | { |
| 1006 | IOCB_t *irsp; |
| 1007 | struct lpfc_sli *psli; |
| 1008 | struct lpfc_nodelist *ndlp; |
| 1009 | LPFC_MBOXQ_t *mbox; |
| 1010 | int disc, rc; |
| 1011 | |
| 1012 | psli = &phba->sli; |
| 1013 | |
| 1014 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1015 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1016 | |
| 1017 | irsp = &(rspiocb->iocb); |
| 1018 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1019 | spin_lock_irq(phba->host->host_lock); |
| 1020 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
| 1021 | spin_unlock_irq(phba->host->host_lock); |
| 1022 | |
| 1023 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 1024 | * is being used during discovery. |
| 1025 | */ |
| 1026 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
| 1027 | |
| 1028 | /* ADISC completes to NPort <nlp_DID> */ |
| 1029 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1030 | "%d:0104 ADISC completes to NPort x%x " |
| 1031 | "Data: x%x x%x x%x x%x\n", |
| 1032 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
| 1033 | irsp->un.ulpWord[4], disc, phba->num_disc_nodes); |
| 1034 | |
| 1035 | /* Check to see if link went down during discovery */ |
| 1036 | if (lpfc_els_chk_latt(phba)) { |
| 1037 | spin_lock_irq(phba->host->host_lock); |
| 1038 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 1039 | spin_unlock_irq(phba->host->host_lock); |
| 1040 | goto out; |
| 1041 | } |
| 1042 | |
| 1043 | if (irsp->ulpStatus) { |
| 1044 | /* Check for retry */ |
| 1045 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1046 | /* ELS command is being retried */ |
| 1047 | if (disc) { |
| 1048 | spin_lock_irq(phba->host->host_lock); |
| 1049 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 1050 | spin_unlock_irq(phba->host->host_lock); |
| 1051 | lpfc_set_disctmo(phba); |
| 1052 | } |
| 1053 | goto out; |
| 1054 | } |
| 1055 | /* ADISC failed */ |
| 1056 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 1057 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1058 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame^] | 1059 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1060 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 1061 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
| 1062 | } |
| 1063 | else { |
| 1064 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 1065 | NLP_EVT_CMPL_ADISC); |
| 1066 | } |
| 1067 | } else { |
| 1068 | /* Good status, call state machine */ |
| 1069 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 1070 | NLP_EVT_CMPL_ADISC); |
| 1071 | } |
| 1072 | |
| 1073 | if (disc && phba->num_disc_nodes) { |
| 1074 | /* Check to see if there are more ADISCs to be sent */ |
| 1075 | lpfc_more_adisc(phba); |
| 1076 | |
| 1077 | /* Check to see if we are done with ADISC authentication */ |
| 1078 | if (phba->num_disc_nodes == 0) { |
| 1079 | lpfc_can_disctmo(phba); |
| 1080 | /* If we get here, there is nothing left to wait for */ |
| 1081 | if ((phba->hba_state < LPFC_HBA_READY) && |
| 1082 | (phba->hba_state != LPFC_CLEAR_LA)) { |
| 1083 | /* Link up discovery */ |
| 1084 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, |
| 1085 | GFP_KERNEL))) { |
| 1086 | phba->hba_state = LPFC_CLEAR_LA; |
| 1087 | lpfc_clear_la(phba, mbox); |
| 1088 | mbox->mbox_cmpl = |
| 1089 | lpfc_mbx_cmpl_clear_la; |
| 1090 | rc = lpfc_sli_issue_mbox |
| 1091 | (phba, mbox, |
| 1092 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 1093 | if (rc == MBX_NOT_FINISHED) { |
| 1094 | mempool_free(mbox, |
| 1095 | phba->mbox_mem_pool); |
| 1096 | lpfc_disc_flush_list(phba); |
| 1097 | psli->ring[(psli->ip_ring)]. |
| 1098 | flag &= |
| 1099 | ~LPFC_STOP_IOCB_EVENT; |
| 1100 | psli->ring[(psli->fcp_ring)]. |
| 1101 | flag &= |
| 1102 | ~LPFC_STOP_IOCB_EVENT; |
| 1103 | psli->ring[(psli->next_ring)]. |
| 1104 | flag &= |
| 1105 | ~LPFC_STOP_IOCB_EVENT; |
| 1106 | phba->hba_state = |
| 1107 | LPFC_HBA_READY; |
| 1108 | } |
| 1109 | } |
| 1110 | } else { |
| 1111 | lpfc_rscn_disc(phba); |
| 1112 | } |
| 1113 | } |
| 1114 | } |
| 1115 | spin_lock_irq(phba->host->host_lock); |
| 1116 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1117 | spin_unlock_irq(phba->host->host_lock); |
| 1118 | out: |
| 1119 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1120 | return; |
| 1121 | } |
| 1122 | |
| 1123 | int |
| 1124 | lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 1125 | uint8_t retry) |
| 1126 | { |
| 1127 | ADISC *ap; |
| 1128 | IOCB_t *icmd; |
| 1129 | struct lpfc_iocbq *elsiocb; |
| 1130 | struct lpfc_sli_ring *pring; |
| 1131 | struct lpfc_sli *psli; |
| 1132 | uint8_t *pcmd; |
| 1133 | uint16_t cmdsize; |
| 1134 | |
| 1135 | psli = &phba->sli; |
| 1136 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1137 | |
| 1138 | cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); |
| 1139 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 1140 | ndlp, ELS_CMD_ADISC)) == 0) { |
| 1141 | return (1); |
| 1142 | } |
| 1143 | |
| 1144 | icmd = &elsiocb->iocb; |
| 1145 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1146 | |
| 1147 | /* For ADISC request, remainder of payload is service parameters */ |
| 1148 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; |
| 1149 | pcmd += sizeof (uint32_t); |
| 1150 | |
| 1151 | /* Fill in ADISC payload */ |
| 1152 | ap = (ADISC *) pcmd; |
| 1153 | ap->hardAL_PA = phba->fc_pref_ALPA; |
| 1154 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); |
| 1155 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); |
| 1156 | ap->DID = be32_to_cpu(phba->fc_myDID); |
| 1157 | |
| 1158 | phba->fc_stat.elsXmitADISC++; |
| 1159 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; |
| 1160 | spin_lock_irq(phba->host->host_lock); |
| 1161 | ndlp->nlp_flag |= NLP_ADISC_SND; |
| 1162 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 1163 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
| 1164 | spin_unlock_irq(phba->host->host_lock); |
| 1165 | lpfc_els_free_iocb(phba, elsiocb); |
| 1166 | return (1); |
| 1167 | } |
| 1168 | spin_unlock_irq(phba->host->host_lock); |
| 1169 | return (0); |
| 1170 | } |
| 1171 | |
| 1172 | static void |
| 1173 | lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1174 | struct lpfc_iocbq * rspiocb) |
| 1175 | { |
| 1176 | IOCB_t *irsp; |
| 1177 | struct lpfc_sli *psli; |
| 1178 | struct lpfc_nodelist *ndlp; |
| 1179 | |
| 1180 | psli = &phba->sli; |
| 1181 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1182 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1183 | |
| 1184 | irsp = &(rspiocb->iocb); |
| 1185 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1186 | spin_lock_irq(phba->host->host_lock); |
| 1187 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
| 1188 | spin_unlock_irq(phba->host->host_lock); |
| 1189 | |
| 1190 | /* LOGO completes to NPort <nlp_DID> */ |
| 1191 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1192 | "%d:0105 LOGO completes to NPort x%x " |
| 1193 | "Data: x%x x%x x%x\n", |
| 1194 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
| 1195 | irsp->un.ulpWord[4], phba->num_disc_nodes); |
| 1196 | |
| 1197 | /* Check to see if link went down during discovery */ |
| 1198 | if (lpfc_els_chk_latt(phba)) |
| 1199 | goto out; |
| 1200 | |
| 1201 | if (irsp->ulpStatus) { |
| 1202 | /* Check for retry */ |
| 1203 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1204 | /* ELS command is being retried */ |
| 1205 | goto out; |
| 1206 | } |
| 1207 | /* LOGO failed */ |
| 1208 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 1209 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1210 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame^] | 1211 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1212 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 1213 | goto out; |
| 1214 | } |
| 1215 | else { |
| 1216 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, |
| 1217 | NLP_EVT_CMPL_LOGO); |
| 1218 | } |
| 1219 | } else { |
| 1220 | /* Good status, call state machine */ |
| 1221 | lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); |
| 1222 | |
| 1223 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
| 1224 | lpfc_unreg_rpi(phba, ndlp); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | out: |
| 1229 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1230 | return; |
| 1231 | } |
| 1232 | |
| 1233 | int |
| 1234 | lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 1235 | uint8_t retry) |
| 1236 | { |
| 1237 | IOCB_t *icmd; |
| 1238 | struct lpfc_iocbq *elsiocb; |
| 1239 | struct lpfc_sli_ring *pring; |
| 1240 | struct lpfc_sli *psli; |
| 1241 | uint8_t *pcmd; |
| 1242 | uint16_t cmdsize; |
| 1243 | |
| 1244 | psli = &phba->sli; |
| 1245 | pring = &psli->ring[LPFC_ELS_RING]; |
| 1246 | |
| 1247 | cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name)); |
| 1248 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 1249 | ndlp, ELS_CMD_LOGO)) == 0) { |
| 1250 | return (1); |
| 1251 | } |
| 1252 | |
| 1253 | icmd = &elsiocb->iocb; |
| 1254 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1255 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
| 1256 | pcmd += sizeof (uint32_t); |
| 1257 | |
| 1258 | /* Fill in LOGO payload */ |
| 1259 | *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID); |
| 1260 | pcmd += sizeof (uint32_t); |
| 1261 | memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name)); |
| 1262 | |
| 1263 | phba->fc_stat.elsXmitLOGO++; |
| 1264 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; |
| 1265 | spin_lock_irq(phba->host->host_lock); |
| 1266 | ndlp->nlp_flag |= NLP_LOGO_SND; |
| 1267 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 1268 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
| 1269 | spin_unlock_irq(phba->host->host_lock); |
| 1270 | lpfc_els_free_iocb(phba, elsiocb); |
| 1271 | return (1); |
| 1272 | } |
| 1273 | spin_unlock_irq(phba->host->host_lock); |
| 1274 | return (0); |
| 1275 | } |
| 1276 | |
| 1277 | static void |
| 1278 | lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1279 | struct lpfc_iocbq * rspiocb) |
| 1280 | { |
| 1281 | IOCB_t *irsp; |
| 1282 | |
| 1283 | irsp = &rspiocb->iocb; |
| 1284 | |
| 1285 | /* ELS cmd tag <ulpIoTag> completes */ |
| 1286 | lpfc_printf_log(phba, |
| 1287 | KERN_INFO, |
| 1288 | LOG_ELS, |
| 1289 | "%d:0106 ELS cmd tag x%x completes Data: x%x x%x\n", |
| 1290 | phba->brd_no, |
| 1291 | irsp->ulpIoTag, irsp->ulpStatus, irsp->un.ulpWord[4]); |
| 1292 | |
| 1293 | /* Check to see if link went down during discovery */ |
| 1294 | lpfc_els_chk_latt(phba); |
| 1295 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1296 | return; |
| 1297 | } |
| 1298 | |
| 1299 | int |
| 1300 | lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) |
| 1301 | { |
| 1302 | IOCB_t *icmd; |
| 1303 | struct lpfc_iocbq *elsiocb; |
| 1304 | struct lpfc_sli_ring *pring; |
| 1305 | struct lpfc_sli *psli; |
| 1306 | uint8_t *pcmd; |
| 1307 | uint16_t cmdsize; |
| 1308 | struct lpfc_nodelist *ndlp; |
| 1309 | |
| 1310 | psli = &phba->sli; |
| 1311 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1312 | cmdsize = (sizeof (uint32_t) + sizeof (SCR)); |
| 1313 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) { |
| 1314 | return (1); |
| 1315 | } |
| 1316 | |
| 1317 | lpfc_nlp_init(phba, ndlp, nportid); |
| 1318 | |
| 1319 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 1320 | ndlp, ELS_CMD_SCR)) == 0) { |
| 1321 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1322 | return (1); |
| 1323 | } |
| 1324 | |
| 1325 | icmd = &elsiocb->iocb; |
| 1326 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1327 | |
| 1328 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; |
| 1329 | pcmd += sizeof (uint32_t); |
| 1330 | |
| 1331 | /* For SCR, remainder of payload is SCR parameter page */ |
| 1332 | memset(pcmd, 0, sizeof (SCR)); |
| 1333 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
| 1334 | |
| 1335 | phba->fc_stat.elsXmitSCR++; |
| 1336 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| 1337 | spin_lock_irq(phba->host->host_lock); |
| 1338 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 1339 | spin_unlock_irq(phba->host->host_lock); |
| 1340 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1341 | lpfc_els_free_iocb(phba, elsiocb); |
| 1342 | return (1); |
| 1343 | } |
| 1344 | spin_unlock_irq(phba->host->host_lock); |
| 1345 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1346 | return (0); |
| 1347 | } |
| 1348 | |
| 1349 | static int |
| 1350 | lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) |
| 1351 | { |
| 1352 | IOCB_t *icmd; |
| 1353 | struct lpfc_iocbq *elsiocb; |
| 1354 | struct lpfc_sli_ring *pring; |
| 1355 | struct lpfc_sli *psli; |
| 1356 | FARP *fp; |
| 1357 | uint8_t *pcmd; |
| 1358 | uint32_t *lp; |
| 1359 | uint16_t cmdsize; |
| 1360 | struct lpfc_nodelist *ondlp; |
| 1361 | struct lpfc_nodelist *ndlp; |
| 1362 | |
| 1363 | psli = &phba->sli; |
| 1364 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1365 | cmdsize = (sizeof (uint32_t) + sizeof (FARP)); |
| 1366 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) { |
| 1367 | return (1); |
| 1368 | } |
| 1369 | lpfc_nlp_init(phba, ndlp, nportid); |
| 1370 | |
| 1371 | if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, |
| 1372 | ndlp, ELS_CMD_RNID)) == 0) { |
| 1373 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1374 | return (1); |
| 1375 | } |
| 1376 | |
| 1377 | icmd = &elsiocb->iocb; |
| 1378 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1379 | |
| 1380 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; |
| 1381 | pcmd += sizeof (uint32_t); |
| 1382 | |
| 1383 | /* Fill in FARPR payload */ |
| 1384 | fp = (FARP *) (pcmd); |
| 1385 | memset(fp, 0, sizeof (FARP)); |
| 1386 | lp = (uint32_t *) pcmd; |
| 1387 | *lp++ = be32_to_cpu(nportid); |
| 1388 | *lp++ = be32_to_cpu(phba->fc_myDID); |
| 1389 | fp->Rflags = 0; |
| 1390 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); |
| 1391 | |
| 1392 | memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name)); |
| 1393 | memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); |
| 1394 | if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) { |
| 1395 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
| 1396 | sizeof (struct lpfc_name)); |
| 1397 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
| 1398 | sizeof (struct lpfc_name)); |
| 1399 | } |
| 1400 | |
| 1401 | phba->fc_stat.elsXmitFARPR++; |
| 1402 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| 1403 | spin_lock_irq(phba->host->host_lock); |
| 1404 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 1405 | spin_unlock_irq(phba->host->host_lock); |
| 1406 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1407 | lpfc_els_free_iocb(phba, elsiocb); |
| 1408 | return (1); |
| 1409 | } |
| 1410 | spin_unlock_irq(phba->host->host_lock); |
| 1411 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 1412 | return (0); |
| 1413 | } |
| 1414 | |
| 1415 | void |
| 1416 | lpfc_els_retry_delay(unsigned long ptr) |
| 1417 | { |
| 1418 | struct lpfc_nodelist *ndlp; |
| 1419 | struct lpfc_hba *phba; |
| 1420 | unsigned long iflag; |
| 1421 | struct lpfc_work_evt *evtp; |
| 1422 | |
| 1423 | ndlp = (struct lpfc_nodelist *)ptr; |
| 1424 | phba = ndlp->nlp_phba; |
| 1425 | evtp = &ndlp->els_retry_evt; |
| 1426 | |
| 1427 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 1428 | if (!list_empty(&evtp->evt_listp)) { |
| 1429 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1430 | return; |
| 1431 | } |
| 1432 | |
| 1433 | evtp->evt_arg1 = ndlp; |
| 1434 | evtp->evt = LPFC_EVT_ELS_RETRY; |
| 1435 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 1436 | if (phba->work_wait) |
| 1437 | wake_up(phba->work_wait); |
| 1438 | |
| 1439 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 1440 | return; |
| 1441 | } |
| 1442 | |
| 1443 | void |
| 1444 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) |
| 1445 | { |
| 1446 | struct lpfc_hba *phba; |
| 1447 | uint32_t cmd; |
| 1448 | uint32_t did; |
| 1449 | uint8_t retry; |
| 1450 | |
| 1451 | phba = ndlp->nlp_phba; |
| 1452 | spin_lock_irq(phba->host->host_lock); |
| 1453 | did = (uint32_t) (ndlp->nlp_DID); |
| 1454 | cmd = (uint32_t) (ndlp->nlp_last_elscmd); |
| 1455 | |
| 1456 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
| 1457 | spin_unlock_irq(phba->host->host_lock); |
| 1458 | return; |
| 1459 | } |
| 1460 | |
| 1461 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
| 1462 | spin_unlock_irq(phba->host->host_lock); |
| 1463 | retry = ndlp->nlp_retry; |
| 1464 | |
| 1465 | switch (cmd) { |
| 1466 | case ELS_CMD_FLOGI: |
| 1467 | lpfc_issue_els_flogi(phba, ndlp, retry); |
| 1468 | break; |
| 1469 | case ELS_CMD_PLOGI: |
| 1470 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1471 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1472 | lpfc_issue_els_plogi(phba, ndlp, retry); |
| 1473 | break; |
| 1474 | case ELS_CMD_ADISC: |
| 1475 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
| 1476 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); |
| 1477 | lpfc_issue_els_adisc(phba, ndlp, retry); |
| 1478 | break; |
| 1479 | case ELS_CMD_PRLI: |
| 1480 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
| 1481 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); |
| 1482 | lpfc_issue_els_prli(phba, ndlp, retry); |
| 1483 | break; |
| 1484 | case ELS_CMD_LOGO: |
| 1485 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1486 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1487 | lpfc_issue_els_logo(phba, ndlp, retry); |
| 1488 | break; |
| 1489 | } |
| 1490 | return; |
| 1491 | } |
| 1492 | |
| 1493 | static int |
| 1494 | lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1495 | struct lpfc_iocbq * rspiocb) |
| 1496 | { |
| 1497 | IOCB_t *irsp; |
| 1498 | struct lpfc_dmabuf *pcmd; |
| 1499 | struct lpfc_nodelist *ndlp; |
| 1500 | uint32_t *elscmd; |
| 1501 | struct ls_rjt stat; |
| 1502 | int retry, maxretry; |
| 1503 | int delay; |
| 1504 | uint32_t cmd; |
| 1505 | |
| 1506 | retry = 0; |
| 1507 | delay = 0; |
| 1508 | maxretry = lpfc_max_els_tries; |
| 1509 | irsp = &rspiocb->iocb; |
| 1510 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1511 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 1512 | cmd = 0; |
| 1513 | /* Note: context2 may be 0 for internal driver abort |
| 1514 | * of delays ELS command. |
| 1515 | */ |
| 1516 | |
| 1517 | if (pcmd && pcmd->virt) { |
| 1518 | elscmd = (uint32_t *) (pcmd->virt); |
| 1519 | cmd = *elscmd++; |
| 1520 | } |
| 1521 | |
| 1522 | switch (irsp->ulpStatus) { |
| 1523 | case IOSTAT_FCP_RSP_ERROR: |
| 1524 | case IOSTAT_REMOTE_STOP: |
| 1525 | break; |
| 1526 | |
| 1527 | case IOSTAT_LOCAL_REJECT: |
| 1528 | switch ((irsp->un.ulpWord[4] & 0xff)) { |
| 1529 | case IOERR_LOOP_OPEN_FAILURE: |
| 1530 | if (cmd == ELS_CMD_PLOGI) { |
| 1531 | if (cmdiocb->retry == 0) { |
| 1532 | delay = 1; |
| 1533 | } |
| 1534 | } |
| 1535 | retry = 1; |
| 1536 | break; |
| 1537 | |
| 1538 | case IOERR_SEQUENCE_TIMEOUT: |
| 1539 | retry = 1; |
| 1540 | if ((cmd == ELS_CMD_FLOGI) |
| 1541 | && (phba->fc_topology != TOPOLOGY_LOOP)) { |
| 1542 | delay = 1; |
| 1543 | maxretry = 48; |
| 1544 | } |
| 1545 | break; |
| 1546 | |
| 1547 | case IOERR_NO_RESOURCES: |
| 1548 | if (cmd == ELS_CMD_PLOGI) { |
| 1549 | delay = 1; |
| 1550 | } |
| 1551 | retry = 1; |
| 1552 | break; |
| 1553 | |
| 1554 | case IOERR_INVALID_RPI: |
| 1555 | retry = 1; |
| 1556 | break; |
| 1557 | } |
| 1558 | break; |
| 1559 | |
| 1560 | case IOSTAT_NPORT_RJT: |
| 1561 | case IOSTAT_FABRIC_RJT: |
| 1562 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 1563 | retry = 1; |
| 1564 | break; |
| 1565 | } |
| 1566 | break; |
| 1567 | |
| 1568 | case IOSTAT_NPORT_BSY: |
| 1569 | case IOSTAT_FABRIC_BSY: |
| 1570 | retry = 1; |
| 1571 | break; |
| 1572 | |
| 1573 | case IOSTAT_LS_RJT: |
| 1574 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); |
| 1575 | /* Added for Vendor specifc support |
| 1576 | * Just keep retrying for these Rsn / Exp codes |
| 1577 | */ |
| 1578 | switch (stat.un.b.lsRjtRsnCode) { |
| 1579 | case LSRJT_UNABLE_TPC: |
| 1580 | if (stat.un.b.lsRjtRsnCodeExp == |
| 1581 | LSEXP_CMD_IN_PROGRESS) { |
| 1582 | if (cmd == ELS_CMD_PLOGI) { |
| 1583 | delay = 1; |
| 1584 | maxretry = 48; |
| 1585 | } |
| 1586 | retry = 1; |
| 1587 | break; |
| 1588 | } |
| 1589 | if (cmd == ELS_CMD_PLOGI) { |
| 1590 | delay = 1; |
| 1591 | maxretry = lpfc_max_els_tries + 1; |
| 1592 | retry = 1; |
| 1593 | break; |
| 1594 | } |
| 1595 | break; |
| 1596 | |
| 1597 | case LSRJT_LOGICAL_BSY: |
| 1598 | if (cmd == ELS_CMD_PLOGI) { |
| 1599 | delay = 1; |
| 1600 | maxretry = 48; |
| 1601 | } |
| 1602 | retry = 1; |
| 1603 | break; |
| 1604 | } |
| 1605 | break; |
| 1606 | |
| 1607 | case IOSTAT_INTERMED_RSP: |
| 1608 | case IOSTAT_BA_RJT: |
| 1609 | break; |
| 1610 | |
| 1611 | default: |
| 1612 | break; |
| 1613 | } |
| 1614 | |
| 1615 | if (ndlp->nlp_DID == FDMI_DID) { |
| 1616 | retry = 1; |
| 1617 | } |
| 1618 | |
| 1619 | if ((++cmdiocb->retry) >= maxretry) { |
| 1620 | phba->fc_stat.elsRetryExceeded++; |
| 1621 | retry = 0; |
| 1622 | } |
| 1623 | |
| 1624 | if (retry) { |
| 1625 | |
| 1626 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1627 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1628 | "%d:0107 Retry ELS command x%x to remote " |
| 1629 | "NPORT x%x Data: x%x x%x\n", |
| 1630 | phba->brd_no, |
| 1631 | cmd, ndlp->nlp_DID, cmdiocb->retry, delay); |
| 1632 | |
| 1633 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { |
| 1634 | /* If discovery / RSCN timer is running, reset it */ |
| 1635 | if (timer_pending(&phba->fc_disctmo) || |
| 1636 | (phba->fc_flag & FC_RSCN_MODE)) { |
| 1637 | lpfc_set_disctmo(phba); |
| 1638 | } |
| 1639 | } |
| 1640 | |
| 1641 | phba->fc_stat.elsXmitRetry++; |
| 1642 | if (delay) { |
| 1643 | phba->fc_stat.elsDelayRetry++; |
| 1644 | ndlp->nlp_retry = cmdiocb->retry; |
| 1645 | |
| 1646 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
| 1647 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 1648 | |
| 1649 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1650 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1651 | ndlp->nlp_last_elscmd = cmd; |
| 1652 | |
| 1653 | return (1); |
| 1654 | } |
| 1655 | switch (cmd) { |
| 1656 | case ELS_CMD_FLOGI: |
| 1657 | lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry); |
| 1658 | return (1); |
| 1659 | case ELS_CMD_PLOGI: |
| 1660 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1661 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1662 | lpfc_issue_els_plogi(phba, ndlp, cmdiocb->retry); |
| 1663 | return (1); |
| 1664 | case ELS_CMD_ADISC: |
| 1665 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
| 1666 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); |
| 1667 | lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); |
| 1668 | return (1); |
| 1669 | case ELS_CMD_PRLI: |
| 1670 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
| 1671 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); |
| 1672 | lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); |
| 1673 | return (1); |
| 1674 | case ELS_CMD_LOGO: |
| 1675 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1676 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1677 | lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); |
| 1678 | return (1); |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1683 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1684 | "%d:0108 No retry ELS command x%x to remote NPORT x%x " |
| 1685 | "Data: x%x x%x\n", |
| 1686 | phba->brd_no, |
| 1687 | cmd, ndlp->nlp_DID, cmdiocb->retry, ndlp->nlp_flag); |
| 1688 | |
| 1689 | return (0); |
| 1690 | } |
| 1691 | |
| 1692 | int |
| 1693 | lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb) |
| 1694 | { |
| 1695 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; |
| 1696 | |
| 1697 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
| 1698 | if (elsiocb->context2) { |
| 1699 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; |
| 1700 | /* Free the response before processing the command. */ |
| 1701 | if (!list_empty(&buf_ptr1->list)) { |
| 1702 | list_remove_head(&buf_ptr1->list, buf_ptr, |
| 1703 | struct lpfc_dmabuf, |
| 1704 | list); |
| 1705 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 1706 | kfree(buf_ptr); |
| 1707 | } |
| 1708 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); |
| 1709 | kfree(buf_ptr1); |
| 1710 | } |
| 1711 | |
| 1712 | if (elsiocb->context3) { |
| 1713 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; |
| 1714 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 1715 | kfree(buf_ptr); |
| 1716 | } |
| 1717 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1718 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1719 | spin_unlock_irq(phba->host->host_lock); |
| 1720 | return 0; |
| 1721 | } |
| 1722 | |
| 1723 | static void |
| 1724 | lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1725 | struct lpfc_iocbq * rspiocb) |
| 1726 | { |
| 1727 | struct lpfc_nodelist *ndlp; |
| 1728 | |
| 1729 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1730 | |
| 1731 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
| 1732 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1733 | "%d:0109 ACC to LOGO completes to NPort x%x " |
| 1734 | "Data: x%x x%x x%x\n", |
| 1735 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, |
| 1736 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 1737 | |
| 1738 | spin_lock_irq(phba->host->host_lock); |
| 1739 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
| 1740 | spin_unlock_irq(phba->host->host_lock); |
| 1741 | |
| 1742 | switch (ndlp->nlp_state) { |
| 1743 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ |
| 1744 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1745 | break; |
| 1746 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ |
| 1747 | lpfc_unreg_rpi(phba, ndlp); |
| 1748 | break; |
| 1749 | default: |
| 1750 | break; |
| 1751 | } |
| 1752 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1753 | return; |
| 1754 | } |
| 1755 | |
| 1756 | static void |
| 1757 | lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 1758 | struct lpfc_iocbq * rspiocb) |
| 1759 | { |
| 1760 | struct lpfc_nodelist *ndlp; |
| 1761 | LPFC_MBOXQ_t *mbox = NULL; |
| 1762 | |
| 1763 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1764 | if (cmdiocb->context_un.mbox) |
| 1765 | mbox = cmdiocb->context_un.mbox; |
| 1766 | |
| 1767 | |
| 1768 | /* Check to see if link went down during discovery */ |
| 1769 | if ((lpfc_els_chk_latt(phba)) || !ndlp) { |
| 1770 | if (mbox) { |
| 1771 | mempool_free( mbox, phba->mbox_mem_pool); |
| 1772 | } |
| 1773 | goto out; |
| 1774 | } |
| 1775 | |
| 1776 | /* ELS response tag <ulpIoTag> completes */ |
| 1777 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1778 | "%d:0110 ELS response tag x%x completes " |
| 1779 | "Data: x%x x%x x%x x%x x%x x%x\n", |
| 1780 | phba->brd_no, |
| 1781 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, |
| 1782 | rspiocb->iocb.un.ulpWord[4], ndlp->nlp_DID, |
| 1783 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 1784 | |
| 1785 | if (mbox) { |
| 1786 | if ((rspiocb->iocb.ulpStatus == 0) |
| 1787 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { |
| 1788 | /* set_slim mailbox command needs to execute first, |
| 1789 | * queue this command to be processed later. |
| 1790 | */ |
| 1791 | lpfc_unreg_rpi(phba, ndlp); |
| 1792 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
| 1793 | mbox->context2 = ndlp; |
| 1794 | ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE; |
| 1795 | lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST); |
| 1796 | if (lpfc_sli_issue_mbox(phba, mbox, |
| 1797 | (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 1798 | != MBX_NOT_FINISHED) { |
| 1799 | goto out; |
| 1800 | } |
| 1801 | /* NOTE: we should have messages for unsuccessful |
| 1802 | reglogin */ |
| 1803 | mempool_free( mbox, phba->mbox_mem_pool); |
| 1804 | } else { |
| 1805 | mempool_free( mbox, phba->mbox_mem_pool); |
| 1806 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { |
| 1807 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1808 | } |
| 1809 | } |
| 1810 | } |
| 1811 | out: |
| 1812 | if (ndlp) { |
| 1813 | spin_lock_irq(phba->host->host_lock); |
| 1814 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; |
| 1815 | spin_unlock_irq(phba->host->host_lock); |
| 1816 | } |
| 1817 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1818 | return; |
| 1819 | } |
| 1820 | |
| 1821 | int |
| 1822 | lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, |
| 1823 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp, |
| 1824 | LPFC_MBOXQ_t * mbox, uint8_t newnode) |
| 1825 | { |
| 1826 | IOCB_t *icmd; |
| 1827 | IOCB_t *oldcmd; |
| 1828 | struct lpfc_iocbq *elsiocb; |
| 1829 | struct lpfc_sli_ring *pring; |
| 1830 | struct lpfc_sli *psli; |
| 1831 | uint8_t *pcmd; |
| 1832 | uint16_t cmdsize; |
| 1833 | int rc; |
| 1834 | |
| 1835 | psli = &phba->sli; |
| 1836 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1837 | oldcmd = &oldiocb->iocb; |
| 1838 | |
| 1839 | switch (flag) { |
| 1840 | case ELS_CMD_ACC: |
| 1841 | cmdsize = sizeof (uint32_t); |
| 1842 | if ((elsiocb = |
| 1843 | lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 1844 | ndlp, ELS_CMD_ACC)) == 0) { |
| 1845 | return (1); |
| 1846 | } |
| 1847 | icmd = &elsiocb->iocb; |
| 1848 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1849 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1850 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 1851 | pcmd += sizeof (uint32_t); |
| 1852 | break; |
| 1853 | case ELS_CMD_PLOGI: |
| 1854 | cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); |
| 1855 | if ((elsiocb = |
| 1856 | lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 1857 | ndlp, ELS_CMD_ACC)) == 0) { |
| 1858 | return (1); |
| 1859 | } |
| 1860 | icmd = &elsiocb->iocb; |
| 1861 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1862 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1863 | |
| 1864 | if (mbox) |
| 1865 | elsiocb->context_un.mbox = mbox; |
| 1866 | |
| 1867 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 1868 | pcmd += sizeof (uint32_t); |
| 1869 | memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); |
| 1870 | break; |
| 1871 | default: |
| 1872 | return (1); |
| 1873 | } |
| 1874 | |
| 1875 | if (newnode) |
| 1876 | elsiocb->context1 = NULL; |
| 1877 | |
| 1878 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
| 1879 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1880 | "%d:0128 Xmit ELS ACC response tag x%x " |
| 1881 | "Data: x%x x%x x%x x%x x%x\n", |
| 1882 | phba->brd_no, |
| 1883 | elsiocb->iocb.ulpIoTag, |
| 1884 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 1885 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 1886 | |
| 1887 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
| 1888 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
| 1889 | } else { |
| 1890 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 1891 | } |
| 1892 | |
| 1893 | phba->fc_stat.elsXmitACC++; |
| 1894 | spin_lock_irq(phba->host->host_lock); |
| 1895 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 1896 | spin_unlock_irq(phba->host->host_lock); |
| 1897 | if (rc == IOCB_ERROR) { |
| 1898 | lpfc_els_free_iocb(phba, elsiocb); |
| 1899 | return (1); |
| 1900 | } |
| 1901 | return (0); |
| 1902 | } |
| 1903 | |
| 1904 | int |
| 1905 | lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError, |
| 1906 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) |
| 1907 | { |
| 1908 | IOCB_t *icmd; |
| 1909 | IOCB_t *oldcmd; |
| 1910 | struct lpfc_iocbq *elsiocb; |
| 1911 | struct lpfc_sli_ring *pring; |
| 1912 | struct lpfc_sli *psli; |
| 1913 | uint8_t *pcmd; |
| 1914 | uint16_t cmdsize; |
| 1915 | int rc; |
| 1916 | |
| 1917 | psli = &phba->sli; |
| 1918 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1919 | |
| 1920 | cmdsize = 2 * sizeof (uint32_t); |
| 1921 | if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 1922 | ndlp, ELS_CMD_LS_RJT)) == 0) { |
| 1923 | return (1); |
| 1924 | } |
| 1925 | |
| 1926 | icmd = &elsiocb->iocb; |
| 1927 | oldcmd = &oldiocb->iocb; |
| 1928 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1929 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1930 | |
| 1931 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; |
| 1932 | pcmd += sizeof (uint32_t); |
| 1933 | *((uint32_t *) (pcmd)) = rejectError; |
| 1934 | |
| 1935 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
| 1936 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1937 | "%d:0129 Xmit ELS RJT x%x response tag x%x " |
| 1938 | "Data: x%x x%x x%x x%x x%x\n", |
| 1939 | phba->brd_no, |
| 1940 | rejectError, elsiocb->iocb.ulpIoTag, |
| 1941 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 1942 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 1943 | |
| 1944 | phba->fc_stat.elsXmitLSRJT++; |
| 1945 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 1946 | spin_lock_irq(phba->host->host_lock); |
| 1947 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 1948 | spin_unlock_irq(phba->host->host_lock); |
| 1949 | if (rc == IOCB_ERROR) { |
| 1950 | lpfc_els_free_iocb(phba, elsiocb); |
| 1951 | return (1); |
| 1952 | } |
| 1953 | return (0); |
| 1954 | } |
| 1955 | |
| 1956 | int |
| 1957 | lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, |
| 1958 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) |
| 1959 | { |
| 1960 | ADISC *ap; |
| 1961 | IOCB_t *icmd; |
| 1962 | IOCB_t *oldcmd; |
| 1963 | struct lpfc_iocbq *elsiocb; |
| 1964 | struct lpfc_sli_ring *pring; |
| 1965 | struct lpfc_sli *psli; |
| 1966 | uint8_t *pcmd; |
| 1967 | uint16_t cmdsize; |
| 1968 | int rc; |
| 1969 | |
| 1970 | psli = &phba->sli; |
| 1971 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1972 | |
| 1973 | cmdsize = sizeof (uint32_t) + sizeof (ADISC); |
| 1974 | if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 1975 | ndlp, ELS_CMD_ACC)) == 0) { |
| 1976 | return (1); |
| 1977 | } |
| 1978 | |
| 1979 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
| 1980 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1981 | "%d:0130 Xmit ADISC ACC response tag x%x " |
| 1982 | "Data: x%x x%x x%x x%x x%x\n", |
| 1983 | phba->brd_no, |
| 1984 | elsiocb->iocb.ulpIoTag, |
| 1985 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 1986 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 1987 | |
| 1988 | icmd = &elsiocb->iocb; |
| 1989 | oldcmd = &oldiocb->iocb; |
| 1990 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1991 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1992 | |
| 1993 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 1994 | pcmd += sizeof (uint32_t); |
| 1995 | |
| 1996 | ap = (ADISC *) (pcmd); |
| 1997 | ap->hardAL_PA = phba->fc_pref_ALPA; |
| 1998 | memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); |
| 1999 | memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); |
| 2000 | ap->DID = be32_to_cpu(phba->fc_myDID); |
| 2001 | |
| 2002 | phba->fc_stat.elsXmitACC++; |
| 2003 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2004 | spin_lock_irq(phba->host->host_lock); |
| 2005 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 2006 | spin_unlock_irq(phba->host->host_lock); |
| 2007 | if (rc == IOCB_ERROR) { |
| 2008 | lpfc_els_free_iocb(phba, elsiocb); |
| 2009 | return (1); |
| 2010 | } |
| 2011 | return (0); |
| 2012 | } |
| 2013 | |
| 2014 | int |
| 2015 | lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, |
| 2016 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) |
| 2017 | { |
| 2018 | PRLI *npr; |
| 2019 | lpfc_vpd_t *vpd; |
| 2020 | IOCB_t *icmd; |
| 2021 | IOCB_t *oldcmd; |
| 2022 | struct lpfc_iocbq *elsiocb; |
| 2023 | struct lpfc_sli_ring *pring; |
| 2024 | struct lpfc_sli *psli; |
| 2025 | uint8_t *pcmd; |
| 2026 | uint16_t cmdsize; |
| 2027 | int rc; |
| 2028 | |
| 2029 | psli = &phba->sli; |
| 2030 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2031 | |
| 2032 | cmdsize = sizeof (uint32_t) + sizeof (PRLI); |
| 2033 | if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 2034 | ndlp, |
| 2035 | (ELS_CMD_ACC | |
| 2036 | (ELS_CMD_PRLI & ~ELS_RSP_MASK)))) == |
| 2037 | 0) { |
| 2038 | return (1); |
| 2039 | } |
| 2040 | |
| 2041 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
| 2042 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 2043 | "%d:0131 Xmit PRLI ACC response tag x%x " |
| 2044 | "Data: x%x x%x x%x x%x x%x\n", |
| 2045 | phba->brd_no, |
| 2046 | elsiocb->iocb.ulpIoTag, |
| 2047 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2048 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2049 | |
| 2050 | icmd = &elsiocb->iocb; |
| 2051 | oldcmd = &oldiocb->iocb; |
| 2052 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2053 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2054 | |
| 2055 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); |
| 2056 | pcmd += sizeof (uint32_t); |
| 2057 | |
| 2058 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 2059 | memset(pcmd, 0, sizeof (PRLI)); |
| 2060 | |
| 2061 | npr = (PRLI *) pcmd; |
| 2062 | vpd = &phba->vpd; |
| 2063 | /* |
| 2064 | * If our firmware version is 3.20 or later, |
| 2065 | * set the following bits for FC-TAPE support. |
| 2066 | */ |
| 2067 | if (vpd->rev.feaLevelHigh >= 0x02) { |
| 2068 | npr->ConfmComplAllowed = 1; |
| 2069 | npr->Retry = 1; |
| 2070 | npr->TaskRetryIdReq = 1; |
| 2071 | } |
| 2072 | |
| 2073 | npr->acceptRspCode = PRLI_REQ_EXECUTED; |
| 2074 | npr->estabImagePair = 1; |
| 2075 | npr->readXferRdyDis = 1; |
| 2076 | npr->ConfmComplAllowed = 1; |
| 2077 | |
| 2078 | npr->prliType = PRLI_FCP_TYPE; |
| 2079 | npr->initiatorFunc = 1; |
| 2080 | |
| 2081 | phba->fc_stat.elsXmitACC++; |
| 2082 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2083 | |
| 2084 | spin_lock_irq(phba->host->host_lock); |
| 2085 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 2086 | spin_unlock_irq(phba->host->host_lock); |
| 2087 | if (rc == IOCB_ERROR) { |
| 2088 | lpfc_els_free_iocb(phba, elsiocb); |
| 2089 | return (1); |
| 2090 | } |
| 2091 | return (0); |
| 2092 | } |
| 2093 | |
| 2094 | static int |
| 2095 | lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, |
| 2096 | uint8_t format, |
| 2097 | struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) |
| 2098 | { |
| 2099 | RNID *rn; |
| 2100 | IOCB_t *icmd; |
| 2101 | IOCB_t *oldcmd; |
| 2102 | struct lpfc_iocbq *elsiocb; |
| 2103 | struct lpfc_sli_ring *pring; |
| 2104 | struct lpfc_sli *psli; |
| 2105 | uint8_t *pcmd; |
| 2106 | uint16_t cmdsize; |
| 2107 | int rc; |
| 2108 | |
| 2109 | psli = &phba->sli; |
| 2110 | pring = &psli->ring[LPFC_ELS_RING]; |
| 2111 | |
| 2112 | cmdsize = sizeof (uint32_t) + sizeof (uint32_t) |
| 2113 | + (2 * sizeof (struct lpfc_name)); |
| 2114 | if (format) |
| 2115 | cmdsize += sizeof (RNID_TOP_DISC); |
| 2116 | |
| 2117 | if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, |
| 2118 | ndlp, ELS_CMD_ACC)) == 0) { |
| 2119 | return (1); |
| 2120 | } |
| 2121 | |
| 2122 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
| 2123 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 2124 | "%d:0132 Xmit RNID ACC response tag x%x " |
| 2125 | "Data: x%x\n", |
| 2126 | phba->brd_no, |
| 2127 | elsiocb->iocb.ulpIoTag, |
| 2128 | elsiocb->iocb.ulpContext); |
| 2129 | |
| 2130 | icmd = &elsiocb->iocb; |
| 2131 | oldcmd = &oldiocb->iocb; |
| 2132 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2133 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2134 | |
| 2135 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 2136 | pcmd += sizeof (uint32_t); |
| 2137 | |
| 2138 | memset(pcmd, 0, sizeof (RNID)); |
| 2139 | rn = (RNID *) (pcmd); |
| 2140 | rn->Format = format; |
| 2141 | rn->CommonLen = (2 * sizeof (struct lpfc_name)); |
| 2142 | memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name)); |
| 2143 | memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); |
| 2144 | switch (format) { |
| 2145 | case 0: |
| 2146 | rn->SpecificLen = 0; |
| 2147 | break; |
| 2148 | case RNID_TOPOLOGY_DISC: |
| 2149 | rn->SpecificLen = sizeof (RNID_TOP_DISC); |
| 2150 | memcpy(&rn->un.topologyDisc.portName, |
| 2151 | &phba->fc_portname, sizeof (struct lpfc_name)); |
| 2152 | rn->un.topologyDisc.unitType = RNID_HBA; |
| 2153 | rn->un.topologyDisc.physPort = 0; |
| 2154 | rn->un.topologyDisc.attachedNodes = 0; |
| 2155 | break; |
| 2156 | default: |
| 2157 | rn->CommonLen = 0; |
| 2158 | rn->SpecificLen = 0; |
| 2159 | break; |
| 2160 | } |
| 2161 | |
| 2162 | phba->fc_stat.elsXmitACC++; |
| 2163 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2164 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
| 2165 | * it could be freed */ |
| 2166 | |
| 2167 | spin_lock_irq(phba->host->host_lock); |
| 2168 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 2169 | spin_unlock_irq(phba->host->host_lock); |
| 2170 | if (rc == IOCB_ERROR) { |
| 2171 | lpfc_els_free_iocb(phba, elsiocb); |
| 2172 | return (1); |
| 2173 | } |
| 2174 | return (0); |
| 2175 | } |
| 2176 | |
| 2177 | int |
| 2178 | lpfc_els_disc_adisc(struct lpfc_hba * phba) |
| 2179 | { |
| 2180 | int sentadisc; |
| 2181 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| 2182 | |
| 2183 | sentadisc = 0; |
| 2184 | /* go thru NPR list and issue any remaining ELS ADISCs */ |
| 2185 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| 2186 | nlp_listp) { |
| 2187 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
| 2188 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
| 2189 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
| 2190 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
| 2191 | lpfc_nlp_list(phba, ndlp, |
| 2192 | NLP_ADISC_LIST); |
| 2193 | lpfc_issue_els_adisc(phba, ndlp, 0); |
| 2194 | sentadisc++; |
| 2195 | phba->num_disc_nodes++; |
| 2196 | if (phba->num_disc_nodes >= |
| 2197 | phba->cfg_discovery_threads) { |
| 2198 | spin_lock_irq(phba->host->host_lock); |
| 2199 | phba->fc_flag |= FC_NLP_MORE; |
| 2200 | spin_unlock_irq(phba->host->host_lock); |
| 2201 | break; |
| 2202 | } |
| 2203 | } |
| 2204 | } |
| 2205 | } |
| 2206 | if (sentadisc == 0) { |
| 2207 | spin_lock_irq(phba->host->host_lock); |
| 2208 | phba->fc_flag &= ~FC_NLP_MORE; |
| 2209 | spin_unlock_irq(phba->host->host_lock); |
| 2210 | } |
| 2211 | return(sentadisc); |
| 2212 | } |
| 2213 | |
| 2214 | int |
| 2215 | lpfc_els_disc_plogi(struct lpfc_hba * phba) |
| 2216 | { |
| 2217 | int sentplogi; |
| 2218 | struct lpfc_nodelist *ndlp, *next_ndlp; |
| 2219 | |
| 2220 | sentplogi = 0; |
| 2221 | /* go thru NPR list and issue any remaining ELS PLOGIs */ |
| 2222 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| 2223 | nlp_listp) { |
| 2224 | if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
| 2225 | (!(ndlp->nlp_flag & NLP_DELAY_TMO))) { |
| 2226 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
| 2227 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 2228 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 2229 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 2230 | sentplogi++; |
| 2231 | phba->num_disc_nodes++; |
| 2232 | if (phba->num_disc_nodes >= |
| 2233 | phba->cfg_discovery_threads) { |
| 2234 | spin_lock_irq(phba->host->host_lock); |
| 2235 | phba->fc_flag |= FC_NLP_MORE; |
| 2236 | spin_unlock_irq(phba->host->host_lock); |
| 2237 | break; |
| 2238 | } |
| 2239 | } |
| 2240 | } |
| 2241 | } |
| 2242 | if (sentplogi == 0) { |
| 2243 | spin_lock_irq(phba->host->host_lock); |
| 2244 | phba->fc_flag &= ~FC_NLP_MORE; |
| 2245 | spin_unlock_irq(phba->host->host_lock); |
| 2246 | } |
| 2247 | return(sentplogi); |
| 2248 | } |
| 2249 | |
| 2250 | int |
| 2251 | lpfc_els_flush_rscn(struct lpfc_hba * phba) |
| 2252 | { |
| 2253 | struct lpfc_dmabuf *mp; |
| 2254 | int i; |
| 2255 | |
| 2256 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { |
| 2257 | mp = phba->fc_rscn_id_list[i]; |
| 2258 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2259 | kfree(mp); |
| 2260 | phba->fc_rscn_id_list[i] = NULL; |
| 2261 | } |
| 2262 | phba->fc_rscn_id_cnt = 0; |
| 2263 | spin_lock_irq(phba->host->host_lock); |
| 2264 | phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); |
| 2265 | spin_unlock_irq(phba->host->host_lock); |
| 2266 | lpfc_can_disctmo(phba); |
| 2267 | return (0); |
| 2268 | } |
| 2269 | |
| 2270 | int |
| 2271 | lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did) |
| 2272 | { |
| 2273 | D_ID ns_did; |
| 2274 | D_ID rscn_did; |
| 2275 | struct lpfc_dmabuf *mp; |
| 2276 | uint32_t *lp; |
| 2277 | uint32_t payload_len, cmd, i, match; |
| 2278 | |
| 2279 | ns_did.un.word = did; |
| 2280 | match = 0; |
| 2281 | |
| 2282 | /* Never match fabric nodes for RSCNs */ |
| 2283 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
| 2284 | return(0); |
| 2285 | |
| 2286 | /* If we are doing a FULL RSCN rediscovery, match everything */ |
| 2287 | if (phba->fc_flag & FC_RSCN_DISCOVERY) { |
| 2288 | return (did); |
| 2289 | } |
| 2290 | |
| 2291 | for (i = 0; i < phba->fc_rscn_id_cnt; i++) { |
| 2292 | mp = phba->fc_rscn_id_list[i]; |
| 2293 | lp = (uint32_t *) mp->virt; |
| 2294 | cmd = *lp++; |
| 2295 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ |
| 2296 | payload_len -= sizeof (uint32_t); /* take off word 0 */ |
| 2297 | while (payload_len) { |
| 2298 | rscn_did.un.word = *lp++; |
| 2299 | rscn_did.un.word = be32_to_cpu(rscn_did.un.word); |
| 2300 | payload_len -= sizeof (uint32_t); |
| 2301 | switch (rscn_did.un.b.resv) { |
| 2302 | case 0: /* Single N_Port ID effected */ |
| 2303 | if (ns_did.un.word == rscn_did.un.word) { |
| 2304 | match = did; |
| 2305 | } |
| 2306 | break; |
| 2307 | case 1: /* Whole N_Port Area effected */ |
| 2308 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
| 2309 | && (ns_did.un.b.area == rscn_did.un.b.area)) |
| 2310 | { |
| 2311 | match = did; |
| 2312 | } |
| 2313 | break; |
| 2314 | case 2: /* Whole N_Port Domain effected */ |
| 2315 | if (ns_did.un.b.domain == rscn_did.un.b.domain) |
| 2316 | { |
| 2317 | match = did; |
| 2318 | } |
| 2319 | break; |
| 2320 | case 3: /* Whole Fabric effected */ |
| 2321 | match = did; |
| 2322 | break; |
| 2323 | default: |
| 2324 | /* Unknown Identifier in RSCN list */ |
| 2325 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2326 | "%d:0217 Unknown Identifier in " |
| 2327 | "RSCN payload Data: x%x\n", |
| 2328 | phba->brd_no, rscn_did.un.word); |
| 2329 | break; |
| 2330 | } |
| 2331 | if (match) { |
| 2332 | break; |
| 2333 | } |
| 2334 | } |
| 2335 | } |
| 2336 | return (match); |
| 2337 | } |
| 2338 | |
| 2339 | static int |
| 2340 | lpfc_rscn_recovery_check(struct lpfc_hba * phba) |
| 2341 | { |
| 2342 | struct lpfc_nodelist *ndlp = NULL, *next_ndlp; |
| 2343 | struct list_head *listp; |
| 2344 | struct list_head *node_list[7]; |
| 2345 | int i; |
| 2346 | |
| 2347 | /* Look at all nodes effected by pending RSCNs and move |
| 2348 | * them to NPR list. |
| 2349 | */ |
| 2350 | node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ |
| 2351 | node_list[1] = &phba->fc_nlpmap_list; |
| 2352 | node_list[2] = &phba->fc_nlpunmap_list; |
| 2353 | node_list[3] = &phba->fc_prli_list; |
| 2354 | node_list[4] = &phba->fc_reglogin_list; |
| 2355 | node_list[5] = &phba->fc_adisc_list; |
| 2356 | node_list[6] = &phba->fc_plogi_list; |
| 2357 | for (i = 0; i < 7; i++) { |
| 2358 | listp = node_list[i]; |
| 2359 | if (list_empty(listp)) |
| 2360 | continue; |
| 2361 | |
| 2362 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { |
| 2363 | if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) |
| 2364 | continue; |
| 2365 | |
| 2366 | lpfc_disc_state_machine(phba, ndlp, NULL, |
| 2367 | NLP_EVT_DEVICE_RECOVERY); |
| 2368 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
| 2369 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
| 2370 | del_timer_sync(&ndlp->nlp_delayfunc); |
| 2371 | if (!list_empty(&ndlp-> |
| 2372 | els_retry_evt.evt_listp)) |
| 2373 | list_del_init(&ndlp-> |
| 2374 | els_retry_evt.evt_listp); |
| 2375 | } |
| 2376 | } |
| 2377 | } |
| 2378 | return (0); |
| 2379 | } |
| 2380 | |
| 2381 | static int |
| 2382 | lpfc_els_rcv_rscn(struct lpfc_hba * phba, |
| 2383 | struct lpfc_iocbq * cmdiocb, |
| 2384 | struct lpfc_nodelist * ndlp, uint8_t newnode) |
| 2385 | { |
| 2386 | struct lpfc_dmabuf *pcmd; |
| 2387 | uint32_t *lp; |
| 2388 | IOCB_t *icmd; |
| 2389 | uint32_t payload_len, cmd; |
| 2390 | |
| 2391 | icmd = &cmdiocb->iocb; |
| 2392 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2393 | lp = (uint32_t *) pcmd->virt; |
| 2394 | |
| 2395 | cmd = *lp++; |
| 2396 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ |
| 2397 | payload_len -= sizeof (uint32_t); /* take off word 0 */ |
| 2398 | cmd &= ELS_CMD_MASK; |
| 2399 | |
| 2400 | /* RSCN received */ |
| 2401 | lpfc_printf_log(phba, |
| 2402 | KERN_INFO, |
| 2403 | LOG_DISCOVERY, |
| 2404 | "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", |
| 2405 | phba->brd_no, |
| 2406 | phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt); |
| 2407 | |
| 2408 | /* If we are about to begin discovery, just ACC the RSCN. |
| 2409 | * Discovery processing will satisfy it. |
| 2410 | */ |
| 2411 | if (phba->hba_state < LPFC_NS_QRY) { |
| 2412 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
| 2413 | newnode); |
| 2414 | return (0); |
| 2415 | } |
| 2416 | |
| 2417 | /* If we are already processing an RSCN, save the received |
| 2418 | * RSCN payload buffer, cmdiocb->context2 to process later. |
| 2419 | */ |
| 2420 | if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
| 2421 | if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && |
| 2422 | !(phba->fc_flag & FC_RSCN_DISCOVERY)) { |
| 2423 | spin_lock_irq(phba->host->host_lock); |
| 2424 | phba->fc_flag |= FC_RSCN_MODE; |
| 2425 | spin_unlock_irq(phba->host->host_lock); |
| 2426 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; |
| 2427 | |
| 2428 | /* If we zero, cmdiocb->context2, the calling |
| 2429 | * routine will not try to free it. |
| 2430 | */ |
| 2431 | cmdiocb->context2 = NULL; |
| 2432 | |
| 2433 | /* Deferred RSCN */ |
| 2434 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2435 | "%d:0235 Deferred RSCN " |
| 2436 | "Data: x%x x%x x%x\n", |
| 2437 | phba->brd_no, phba->fc_rscn_id_cnt, |
| 2438 | phba->fc_flag, phba->hba_state); |
| 2439 | } else { |
| 2440 | spin_lock_irq(phba->host->host_lock); |
| 2441 | phba->fc_flag |= FC_RSCN_DISCOVERY; |
| 2442 | spin_unlock_irq(phba->host->host_lock); |
| 2443 | /* ReDiscovery RSCN */ |
| 2444 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2445 | "%d:0234 ReDiscovery RSCN " |
| 2446 | "Data: x%x x%x x%x\n", |
| 2447 | phba->brd_no, phba->fc_rscn_id_cnt, |
| 2448 | phba->fc_flag, phba->hba_state); |
| 2449 | } |
| 2450 | /* Send back ACC */ |
| 2451 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
| 2452 | newnode); |
| 2453 | |
| 2454 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
| 2455 | lpfc_rscn_recovery_check(phba); |
| 2456 | return (0); |
| 2457 | } |
| 2458 | |
| 2459 | phba->fc_flag |= FC_RSCN_MODE; |
| 2460 | phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; |
| 2461 | /* |
| 2462 | * If we zero, cmdiocb->context2, the calling routine will |
| 2463 | * not try to free it. |
| 2464 | */ |
| 2465 | cmdiocb->context2 = NULL; |
| 2466 | |
| 2467 | lpfc_set_disctmo(phba); |
| 2468 | |
| 2469 | /* Send back ACC */ |
| 2470 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); |
| 2471 | |
| 2472 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
| 2473 | lpfc_rscn_recovery_check(phba); |
| 2474 | |
| 2475 | return (lpfc_els_handle_rscn(phba)); |
| 2476 | } |
| 2477 | |
| 2478 | int |
| 2479 | lpfc_els_handle_rscn(struct lpfc_hba * phba) |
| 2480 | { |
| 2481 | struct lpfc_nodelist *ndlp; |
| 2482 | |
| 2483 | /* Start timer for RSCN processing */ |
| 2484 | lpfc_set_disctmo(phba); |
| 2485 | |
| 2486 | /* RSCN processed */ |
| 2487 | lpfc_printf_log(phba, |
| 2488 | KERN_INFO, |
| 2489 | LOG_DISCOVERY, |
| 2490 | "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", |
| 2491 | phba->brd_no, |
| 2492 | phba->fc_flag, 0, phba->fc_rscn_id_cnt, |
| 2493 | phba->hba_state); |
| 2494 | |
| 2495 | /* To process RSCN, first compare RSCN data with NameServer */ |
| 2496 | phba->fc_ns_retry = 0; |
| 2497 | if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, |
| 2498 | NameServer_DID))) { |
| 2499 | /* Good ndlp, issue CT Request to NameServer */ |
| 2500 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { |
| 2501 | /* Wait for NameServer query cmpl before we can |
| 2502 | continue */ |
| 2503 | return (1); |
| 2504 | } |
| 2505 | } else { |
| 2506 | /* If login to NameServer does not exist, issue one */ |
| 2507 | /* Good status, issue PLOGI to NameServer */ |
| 2508 | if ((ndlp = |
| 2509 | lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID))) { |
| 2510 | /* Wait for NameServer login cmpl before we can |
| 2511 | continue */ |
| 2512 | return (1); |
| 2513 | } |
| 2514 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) |
| 2515 | == 0) { |
| 2516 | lpfc_els_flush_rscn(phba); |
| 2517 | return (0); |
| 2518 | } else { |
| 2519 | lpfc_nlp_init(phba, ndlp, NameServer_DID); |
| 2520 | ndlp->nlp_type |= NLP_FABRIC; |
| 2521 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 2522 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 2523 | /* Wait for NameServer login cmpl before we can |
| 2524 | continue */ |
| 2525 | return (1); |
| 2526 | } |
| 2527 | } |
| 2528 | |
| 2529 | lpfc_els_flush_rscn(phba); |
| 2530 | return (0); |
| 2531 | } |
| 2532 | |
| 2533 | static int |
| 2534 | lpfc_els_rcv_flogi(struct lpfc_hba * phba, |
| 2535 | struct lpfc_iocbq * cmdiocb, |
| 2536 | struct lpfc_nodelist * ndlp, uint8_t newnode) |
| 2537 | { |
| 2538 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2539 | uint32_t *lp = (uint32_t *) pcmd->virt; |
| 2540 | IOCB_t *icmd = &cmdiocb->iocb; |
| 2541 | struct serv_parm *sp; |
| 2542 | LPFC_MBOXQ_t *mbox; |
| 2543 | struct ls_rjt stat; |
| 2544 | uint32_t cmd, did; |
| 2545 | int rc; |
| 2546 | |
| 2547 | cmd = *lp++; |
| 2548 | sp = (struct serv_parm *) lp; |
| 2549 | |
| 2550 | /* FLOGI received */ |
| 2551 | |
| 2552 | lpfc_set_disctmo(phba); |
| 2553 | |
| 2554 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 2555 | /* We should never receive a FLOGI in loop mode, ignore it */ |
| 2556 | did = icmd->un.elsreq64.remoteID; |
| 2557 | |
| 2558 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in |
| 2559 | Loop Mode */ |
| 2560 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 2561 | "%d:0113 An FLOGI ELS command x%x was received " |
| 2562 | "from DID x%x in Loop Mode\n", |
| 2563 | phba->brd_no, cmd, did); |
| 2564 | return (1); |
| 2565 | } |
| 2566 | |
| 2567 | did = Fabric_DID; |
| 2568 | |
| 2569 | if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) { |
| 2570 | /* For a FLOGI we accept, then if our portname is greater |
| 2571 | * then the remote portname we initiate Nport login. |
| 2572 | */ |
| 2573 | |
| 2574 | rc = memcmp(&phba->fc_portname, &sp->portName, |
| 2575 | sizeof (struct lpfc_name)); |
| 2576 | |
| 2577 | if (!rc) { |
| 2578 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, |
| 2579 | GFP_KERNEL)) == 0) { |
| 2580 | return (1); |
| 2581 | } |
| 2582 | lpfc_linkdown(phba); |
| 2583 | lpfc_init_link(phba, mbox, |
| 2584 | phba->cfg_topology, |
| 2585 | phba->cfg_link_speed); |
| 2586 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| 2587 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 2588 | rc = lpfc_sli_issue_mbox |
| 2589 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 2590 | if (rc == MBX_NOT_FINISHED) { |
| 2591 | mempool_free( mbox, phba->mbox_mem_pool); |
| 2592 | } |
| 2593 | return (1); |
| 2594 | } |
| 2595 | else if (rc > 0) { /* greater than */ |
| 2596 | spin_lock_irq(phba->host->host_lock); |
| 2597 | phba->fc_flag |= FC_PT2PT_PLOGI; |
| 2598 | spin_unlock_irq(phba->host->host_lock); |
| 2599 | } |
| 2600 | phba->fc_flag |= FC_PT2PT; |
| 2601 | phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 2602 | } else { |
| 2603 | /* Reject this request because invalid parameters */ |
| 2604 | stat.un.b.lsRjtRsvd0 = 0; |
| 2605 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2606 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 2607 | stat.un.b.vendorUnique = 0; |
| 2608 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 2609 | return (1); |
| 2610 | } |
| 2611 | |
| 2612 | /* Send back ACC */ |
| 2613 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); |
| 2614 | |
| 2615 | return (0); |
| 2616 | } |
| 2617 | |
| 2618 | static int |
| 2619 | lpfc_els_rcv_rnid(struct lpfc_hba * phba, |
| 2620 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) |
| 2621 | { |
| 2622 | struct lpfc_dmabuf *pcmd; |
| 2623 | uint32_t *lp; |
| 2624 | IOCB_t *icmd; |
| 2625 | RNID *rn; |
| 2626 | struct ls_rjt stat; |
| 2627 | uint32_t cmd, did; |
| 2628 | |
| 2629 | icmd = &cmdiocb->iocb; |
| 2630 | did = icmd->un.elsreq64.remoteID; |
| 2631 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2632 | lp = (uint32_t *) pcmd->virt; |
| 2633 | |
| 2634 | cmd = *lp++; |
| 2635 | rn = (RNID *) lp; |
| 2636 | |
| 2637 | /* RNID received */ |
| 2638 | |
| 2639 | switch (rn->Format) { |
| 2640 | case 0: |
| 2641 | case RNID_TOPOLOGY_DISC: |
| 2642 | /* Send back ACC */ |
| 2643 | lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp); |
| 2644 | break; |
| 2645 | default: |
| 2646 | /* Reject this request because format not supported */ |
| 2647 | stat.un.b.lsRjtRsvd0 = 0; |
| 2648 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2649 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2650 | stat.un.b.vendorUnique = 0; |
| 2651 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 2652 | } |
| 2653 | return (0); |
| 2654 | } |
| 2655 | |
| 2656 | static int |
| 2657 | lpfc_els_rcv_rrq(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2658 | struct lpfc_nodelist * ndlp) |
| 2659 | { |
| 2660 | struct lpfc_dmabuf *pcmd; |
| 2661 | uint32_t *lp; |
| 2662 | IOCB_t *icmd; |
| 2663 | struct lpfc_sli_ring *pring; |
| 2664 | struct lpfc_sli *psli; |
| 2665 | RRQ *rrq; |
| 2666 | uint32_t cmd, did; |
| 2667 | |
| 2668 | psli = &phba->sli; |
| 2669 | pring = &psli->ring[LPFC_FCP_RING]; |
| 2670 | icmd = &cmdiocb->iocb; |
| 2671 | did = icmd->un.elsreq64.remoteID; |
| 2672 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2673 | lp = (uint32_t *) pcmd->virt; |
| 2674 | |
| 2675 | cmd = *lp++; |
| 2676 | rrq = (RRQ *) lp; |
| 2677 | |
| 2678 | /* RRQ received */ |
| 2679 | /* Get oxid / rxid from payload and abort it */ |
| 2680 | spin_lock_irq(phba->host->host_lock); |
| 2681 | if ((rrq->SID == be32_to_cpu(phba->fc_myDID))) { |
| 2682 | lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Oxid, |
| 2683 | LPFC_CTX_CTX); |
| 2684 | } else { |
| 2685 | lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Rxid, |
| 2686 | LPFC_CTX_CTX); |
| 2687 | } |
| 2688 | |
| 2689 | spin_unlock_irq(phba->host->host_lock); |
| 2690 | /* ACCEPT the rrq request */ |
| 2691 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 2692 | |
| 2693 | return 0; |
| 2694 | } |
| 2695 | |
| 2696 | static int |
| 2697 | lpfc_els_rcv_farp(struct lpfc_hba * phba, |
| 2698 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) |
| 2699 | { |
| 2700 | struct lpfc_dmabuf *pcmd; |
| 2701 | uint32_t *lp; |
| 2702 | IOCB_t *icmd; |
| 2703 | FARP *fp; |
| 2704 | uint32_t cmd, cnt, did; |
| 2705 | |
| 2706 | icmd = &cmdiocb->iocb; |
| 2707 | did = icmd->un.elsreq64.remoteID; |
| 2708 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2709 | lp = (uint32_t *) pcmd->virt; |
| 2710 | |
| 2711 | cmd = *lp++; |
| 2712 | fp = (FARP *) lp; |
| 2713 | |
| 2714 | /* FARP-REQ received from DID <did> */ |
| 2715 | lpfc_printf_log(phba, |
| 2716 | KERN_INFO, |
| 2717 | LOG_IP, |
| 2718 | "%d:0601 FARP-REQ received from DID x%x\n", |
| 2719 | phba->brd_no, did); |
| 2720 | |
| 2721 | /* We will only support match on WWPN or WWNN */ |
| 2722 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { |
| 2723 | return (0); |
| 2724 | } |
| 2725 | |
| 2726 | cnt = 0; |
| 2727 | /* If this FARP command is searching for my portname */ |
| 2728 | if (fp->Mflags & FARP_MATCH_PORT) { |
| 2729 | if (memcmp(&fp->RportName, &phba->fc_portname, |
| 2730 | sizeof (struct lpfc_name)) == 0) |
| 2731 | cnt = 1; |
| 2732 | } |
| 2733 | |
| 2734 | /* If this FARP command is searching for my nodename */ |
| 2735 | if (fp->Mflags & FARP_MATCH_NODE) { |
| 2736 | if (memcmp(&fp->RnodeName, &phba->fc_nodename, |
| 2737 | sizeof (struct lpfc_name)) == 0) |
| 2738 | cnt = 1; |
| 2739 | } |
| 2740 | |
| 2741 | if (cnt) { |
| 2742 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || |
| 2743 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { |
| 2744 | /* Log back into the node before sending the FARP. */ |
| 2745 | if (fp->Rflags & FARP_REQUEST_PLOGI) { |
| 2746 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 2747 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 2748 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 2749 | } |
| 2750 | |
| 2751 | /* Send a FARP response to that node */ |
| 2752 | if (fp->Rflags & FARP_REQUEST_FARPR) { |
| 2753 | lpfc_issue_els_farpr(phba, did, 0); |
| 2754 | } |
| 2755 | } |
| 2756 | } |
| 2757 | return (0); |
| 2758 | } |
| 2759 | |
| 2760 | static int |
| 2761 | lpfc_els_rcv_farpr(struct lpfc_hba * phba, |
| 2762 | struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) |
| 2763 | { |
| 2764 | struct lpfc_dmabuf *pcmd; |
| 2765 | uint32_t *lp; |
| 2766 | IOCB_t *icmd; |
| 2767 | uint32_t cmd, did; |
| 2768 | |
| 2769 | icmd = &cmdiocb->iocb; |
| 2770 | did = icmd->un.elsreq64.remoteID; |
| 2771 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2772 | lp = (uint32_t *) pcmd->virt; |
| 2773 | |
| 2774 | cmd = *lp++; |
| 2775 | /* FARP-RSP received from DID <did> */ |
| 2776 | lpfc_printf_log(phba, |
| 2777 | KERN_INFO, |
| 2778 | LOG_IP, |
| 2779 | "%d:0600 FARP-RSP received from DID x%x\n", |
| 2780 | phba->brd_no, did); |
| 2781 | |
| 2782 | /* ACCEPT the Farp resp request */ |
| 2783 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 2784 | |
| 2785 | return 0; |
| 2786 | } |
| 2787 | |
| 2788 | static int |
| 2789 | lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, |
| 2790 | struct lpfc_nodelist * ndlp) |
| 2791 | { |
| 2792 | struct lpfc_dmabuf *pcmd; |
| 2793 | uint32_t *lp; |
| 2794 | IOCB_t *icmd; |
| 2795 | FAN *fp; |
| 2796 | uint32_t cmd, did; |
| 2797 | |
| 2798 | icmd = &cmdiocb->iocb; |
| 2799 | did = icmd->un.elsreq64.remoteID; |
| 2800 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2801 | lp = (uint32_t *) pcmd->virt; |
| 2802 | |
| 2803 | cmd = *lp++; |
| 2804 | fp = (FAN *) lp; |
| 2805 | |
| 2806 | /* FAN received */ |
| 2807 | |
| 2808 | /* ACCEPT the FAN request */ |
| 2809 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 2810 | |
| 2811 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { |
| 2812 | /* The discovery state machine needs to take a different |
| 2813 | * action if this node has switched fabrics |
| 2814 | */ |
| 2815 | if ((memcmp(&fp->FportName, &phba->fc_fabparam.portName, |
| 2816 | sizeof (struct lpfc_name)) != 0) |
| 2817 | || |
| 2818 | (memcmp(&fp->FnodeName, &phba->fc_fabparam.nodeName, |
| 2819 | sizeof (struct lpfc_name)) != 0)) { |
| 2820 | /* This node has switched fabrics. An FLOGI is required |
| 2821 | * after the timeout |
| 2822 | */ |
| 2823 | return (0); |
| 2824 | } |
| 2825 | |
| 2826 | /* Start discovery */ |
| 2827 | lpfc_disc_start(phba); |
| 2828 | } |
| 2829 | |
| 2830 | return (0); |
| 2831 | } |
| 2832 | |
| 2833 | void |
| 2834 | lpfc_els_timeout(unsigned long ptr) |
| 2835 | { |
| 2836 | struct lpfc_hba *phba; |
| 2837 | unsigned long iflag; |
| 2838 | |
| 2839 | phba = (struct lpfc_hba *)ptr; |
| 2840 | if (phba == 0) |
| 2841 | return; |
| 2842 | spin_lock_irqsave(phba->host->host_lock, iflag); |
| 2843 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { |
| 2844 | phba->work_hba_events |= WORKER_ELS_TMO; |
| 2845 | if (phba->work_wait) |
| 2846 | wake_up(phba->work_wait); |
| 2847 | } |
| 2848 | spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| 2849 | return; |
| 2850 | } |
| 2851 | |
| 2852 | void |
| 2853 | lpfc_els_timeout_handler(struct lpfc_hba *phba) |
| 2854 | { |
| 2855 | struct lpfc_sli_ring *pring; |
| 2856 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 2857 | IOCB_t *cmd = NULL; |
| 2858 | struct lpfc_dmabuf *pcmd; |
| 2859 | struct list_head *dlp; |
| 2860 | uint32_t *elscmd; |
| 2861 | uint32_t els_command; |
| 2862 | uint32_t timeout; |
| 2863 | uint32_t remote_ID; |
| 2864 | |
| 2865 | if (phba == 0) |
| 2866 | return; |
| 2867 | spin_lock_irq(phba->host->host_lock); |
| 2868 | /* If the timer is already canceled do nothing */ |
| 2869 | if (!(phba->work_hba_events & WORKER_ELS_TMO)) { |
| 2870 | spin_unlock_irq(phba->host->host_lock); |
| 2871 | return; |
| 2872 | } |
| 2873 | timeout = (uint32_t)(phba->fc_ratov << 1); |
| 2874 | |
| 2875 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 2876 | dlp = &pring->txcmplq; |
| 2877 | |
| 2878 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 2879 | cmd = &piocb->iocb; |
| 2880 | |
| 2881 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 2882 | continue; |
| 2883 | } |
| 2884 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
| 2885 | elscmd = (uint32_t *) (pcmd->virt); |
| 2886 | els_command = *elscmd; |
| 2887 | |
| 2888 | if ((els_command == ELS_CMD_FARP) |
| 2889 | || (els_command == ELS_CMD_FARPR)) { |
| 2890 | continue; |
| 2891 | } |
| 2892 | |
| 2893 | if (piocb->drvrTimeout > 0) { |
| 2894 | if (piocb->drvrTimeout >= timeout) { |
| 2895 | piocb->drvrTimeout -= timeout; |
| 2896 | } else { |
| 2897 | piocb->drvrTimeout = 0; |
| 2898 | } |
| 2899 | continue; |
| 2900 | } |
| 2901 | |
| 2902 | list_del(&piocb->list); |
| 2903 | pring->txcmplq_cnt--; |
| 2904 | |
| 2905 | if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { |
| 2906 | struct lpfc_nodelist *ndlp; |
| 2907 | |
| 2908 | ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); |
| 2909 | remote_ID = ndlp->nlp_DID; |
| 2910 | if (cmd->un.elsreq64.bdl.ulpIoTag32) { |
| 2911 | lpfc_sli_issue_abort_iotag32(phba, |
| 2912 | pring, piocb); |
| 2913 | } |
| 2914 | } else { |
| 2915 | remote_ID = cmd->un.elsreq64.remoteID; |
| 2916 | } |
| 2917 | |
| 2918 | lpfc_printf_log(phba, |
| 2919 | KERN_ERR, |
| 2920 | LOG_ELS, |
| 2921 | "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", |
| 2922 | phba->brd_no, els_command, |
| 2923 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); |
| 2924 | |
| 2925 | /* |
| 2926 | * The iocb has timed out; abort it. |
| 2927 | */ |
| 2928 | if (piocb->iocb_cmpl) { |
| 2929 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 2930 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 2931 | spin_unlock_irq(phba->host->host_lock); |
| 2932 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 2933 | spin_lock_irq(phba->host->host_lock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2934 | } else |
| 2935 | lpfc_sli_release_iocbq(phba, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2936 | } |
| 2937 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) { |
| 2938 | phba->els_tmofunc.expires = jiffies + HZ * timeout; |
| 2939 | add_timer(&phba->els_tmofunc); |
| 2940 | } |
| 2941 | spin_unlock_irq(phba->host->host_lock); |
| 2942 | } |
| 2943 | |
| 2944 | void |
| 2945 | lpfc_els_flush_cmd(struct lpfc_hba * phba) |
| 2946 | { |
| 2947 | struct lpfc_sli_ring *pring; |
| 2948 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 2949 | IOCB_t *cmd = NULL; |
| 2950 | struct lpfc_dmabuf *pcmd; |
| 2951 | uint32_t *elscmd; |
| 2952 | uint32_t els_command; |
| 2953 | uint32_t remote_ID; |
| 2954 | |
| 2955 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 2956 | spin_lock_irq(phba->host->host_lock); |
| 2957 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
| 2958 | cmd = &piocb->iocb; |
| 2959 | |
| 2960 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 2961 | continue; |
| 2962 | } |
| 2963 | |
| 2964 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ |
| 2965 | if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) || |
| 2966 | (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) || |
| 2967 | (cmd->ulpCommand == CMD_CLOSE_XRI_CN) || |
| 2968 | (cmd->ulpCommand == CMD_ABORT_XRI_CN)) { |
| 2969 | continue; |
| 2970 | } |
| 2971 | |
| 2972 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
| 2973 | elscmd = (uint32_t *) (pcmd->virt); |
| 2974 | els_command = *elscmd; |
| 2975 | |
| 2976 | if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { |
| 2977 | struct lpfc_nodelist *ndlp; |
| 2978 | |
| 2979 | ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); |
| 2980 | remote_ID = ndlp->nlp_DID; |
| 2981 | if (phba->hba_state == LPFC_HBA_READY) { |
| 2982 | continue; |
| 2983 | } |
| 2984 | } else { |
| 2985 | remote_ID = cmd->un.elsreq64.remoteID; |
| 2986 | } |
| 2987 | |
| 2988 | list_del(&piocb->list); |
| 2989 | pring->txcmplq_cnt--; |
| 2990 | |
| 2991 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 2992 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 2993 | |
| 2994 | if (piocb->iocb_cmpl) { |
| 2995 | spin_unlock_irq(phba->host->host_lock); |
| 2996 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 2997 | spin_lock_irq(phba->host->host_lock); |
| 2998 | } |
| 2999 | else |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3000 | lpfc_sli_release_iocbq(phba, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3001 | } |
| 3002 | |
| 3003 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 3004 | cmd = &piocb->iocb; |
| 3005 | |
| 3006 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3007 | continue; |
| 3008 | } |
| 3009 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
| 3010 | elscmd = (uint32_t *) (pcmd->virt); |
| 3011 | els_command = *elscmd; |
| 3012 | |
| 3013 | if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { |
| 3014 | struct lpfc_nodelist *ndlp; |
| 3015 | |
| 3016 | ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); |
| 3017 | remote_ID = ndlp->nlp_DID; |
| 3018 | if (phba->hba_state == LPFC_HBA_READY) { |
| 3019 | continue; |
| 3020 | } |
| 3021 | } else { |
| 3022 | remote_ID = cmd->un.elsreq64.remoteID; |
| 3023 | } |
| 3024 | |
| 3025 | list_del(&piocb->list); |
| 3026 | pring->txcmplq_cnt--; |
| 3027 | |
| 3028 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3029 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 3030 | |
| 3031 | if (piocb->iocb_cmpl) { |
| 3032 | spin_unlock_irq(phba->host->host_lock); |
| 3033 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 3034 | spin_lock_irq(phba->host->host_lock); |
| 3035 | } |
| 3036 | else |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3037 | lpfc_sli_release_iocbq(phba, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3038 | } |
| 3039 | spin_unlock_irq(phba->host->host_lock); |
| 3040 | return; |
| 3041 | } |
| 3042 | |
| 3043 | void |
| 3044 | lpfc_els_unsol_event(struct lpfc_hba * phba, |
| 3045 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb) |
| 3046 | { |
| 3047 | struct lpfc_sli *psli; |
| 3048 | struct lpfc_nodelist *ndlp; |
| 3049 | struct lpfc_dmabuf *mp; |
| 3050 | uint32_t *lp; |
| 3051 | IOCB_t *icmd; |
| 3052 | struct ls_rjt stat; |
| 3053 | uint32_t cmd; |
| 3054 | uint32_t did; |
| 3055 | uint32_t newnode; |
| 3056 | uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */ |
| 3057 | uint32_t rjt_err = 0; |
| 3058 | |
| 3059 | psli = &phba->sli; |
| 3060 | icmd = &elsiocb->iocb; |
| 3061 | |
| 3062 | if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 3063 | ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { |
| 3064 | /* Not enough posted buffers; Try posting more buffers */ |
| 3065 | phba->fc_stat.NoRcvBuf++; |
| 3066 | lpfc_post_buffer(phba, pring, 0, 1); |
| 3067 | return; |
| 3068 | } |
| 3069 | |
| 3070 | /* If there are no BDEs associated with this IOCB, |
| 3071 | * there is nothing to do. |
| 3072 | */ |
| 3073 | if (icmd->ulpBdeCount == 0) |
| 3074 | return; |
| 3075 | |
| 3076 | /* type of ELS cmd is first 32bit word in packet */ |
| 3077 | mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un. |
| 3078 | cont64[0]. |
| 3079 | addrHigh, |
| 3080 | icmd->un. |
| 3081 | cont64[0].addrLow)); |
| 3082 | if (mp == 0) { |
| 3083 | drop_cmd = 1; |
| 3084 | goto dropit; |
| 3085 | } |
| 3086 | |
| 3087 | newnode = 0; |
| 3088 | lp = (uint32_t *) mp->virt; |
| 3089 | cmd = *lp++; |
| 3090 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1); |
| 3091 | |
| 3092 | if (icmd->ulpStatus) { |
| 3093 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3094 | kfree(mp); |
| 3095 | drop_cmd = 1; |
| 3096 | goto dropit; |
| 3097 | } |
| 3098 | |
| 3099 | /* Check to see if link went down during discovery */ |
| 3100 | if (lpfc_els_chk_latt(phba)) { |
| 3101 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3102 | kfree(mp); |
| 3103 | drop_cmd = 1; |
| 3104 | goto dropit; |
| 3105 | } |
| 3106 | |
| 3107 | did = icmd->un.rcvels.remoteID; |
| 3108 | if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) { |
| 3109 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
| 3110 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) |
| 3111 | == 0) { |
| 3112 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3113 | kfree(mp); |
| 3114 | drop_cmd = 1; |
| 3115 | goto dropit; |
| 3116 | } |
| 3117 | |
| 3118 | lpfc_nlp_init(phba, ndlp, did); |
| 3119 | newnode = 1; |
| 3120 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { |
| 3121 | ndlp->nlp_type |= NLP_FABRIC; |
| 3122 | } |
| 3123 | } |
| 3124 | |
| 3125 | phba->fc_stat.elsRcvFrame++; |
| 3126 | elsiocb->context1 = ndlp; |
| 3127 | elsiocb->context2 = mp; |
| 3128 | |
| 3129 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { |
| 3130 | cmd &= ELS_CMD_MASK; |
| 3131 | } |
| 3132 | /* ELS command <elsCmd> received from NPORT <did> */ |
| 3133 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 3134 | "%d:0112 ELS command x%x received from NPORT x%x " |
| 3135 | "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state); |
| 3136 | |
| 3137 | switch (cmd) { |
| 3138 | case ELS_CMD_PLOGI: |
| 3139 | phba->fc_stat.elsRcvPLOGI++; |
| 3140 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3141 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3142 | break; |
| 3143 | } |
| 3144 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); |
| 3145 | break; |
| 3146 | case ELS_CMD_FLOGI: |
| 3147 | phba->fc_stat.elsRcvFLOGI++; |
| 3148 | lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); |
| 3149 | if (newnode) { |
| 3150 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 3151 | } |
| 3152 | break; |
| 3153 | case ELS_CMD_LOGO: |
| 3154 | phba->fc_stat.elsRcvLOGO++; |
| 3155 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3156 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3157 | break; |
| 3158 | } |
| 3159 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
| 3160 | break; |
| 3161 | case ELS_CMD_PRLO: |
| 3162 | phba->fc_stat.elsRcvPRLO++; |
| 3163 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3164 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3165 | break; |
| 3166 | } |
| 3167 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
| 3168 | break; |
| 3169 | case ELS_CMD_RSCN: |
| 3170 | phba->fc_stat.elsRcvRSCN++; |
| 3171 | lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); |
| 3172 | if (newnode) { |
| 3173 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 3174 | } |
| 3175 | break; |
| 3176 | case ELS_CMD_ADISC: |
| 3177 | phba->fc_stat.elsRcvADISC++; |
| 3178 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3179 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3180 | break; |
| 3181 | } |
| 3182 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC); |
| 3183 | break; |
| 3184 | case ELS_CMD_PDISC: |
| 3185 | phba->fc_stat.elsRcvPDISC++; |
| 3186 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3187 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3188 | break; |
| 3189 | } |
| 3190 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC); |
| 3191 | break; |
| 3192 | case ELS_CMD_FARPR: |
| 3193 | phba->fc_stat.elsRcvFARPR++; |
| 3194 | lpfc_els_rcv_farpr(phba, elsiocb, ndlp); |
| 3195 | break; |
| 3196 | case ELS_CMD_FARP: |
| 3197 | phba->fc_stat.elsRcvFARP++; |
| 3198 | lpfc_els_rcv_farp(phba, elsiocb, ndlp); |
| 3199 | break; |
| 3200 | case ELS_CMD_FAN: |
| 3201 | phba->fc_stat.elsRcvFAN++; |
| 3202 | lpfc_els_rcv_fan(phba, elsiocb, ndlp); |
| 3203 | break; |
| 3204 | case ELS_CMD_RRQ: |
| 3205 | phba->fc_stat.elsRcvRRQ++; |
| 3206 | lpfc_els_rcv_rrq(phba, elsiocb, ndlp); |
| 3207 | break; |
| 3208 | case ELS_CMD_PRLI: |
| 3209 | phba->fc_stat.elsRcvPRLI++; |
| 3210 | if (phba->hba_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3211 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3212 | break; |
| 3213 | } |
| 3214 | lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
| 3215 | break; |
| 3216 | case ELS_CMD_RNID: |
| 3217 | phba->fc_stat.elsRcvRNID++; |
| 3218 | lpfc_els_rcv_rnid(phba, elsiocb, ndlp); |
| 3219 | break; |
| 3220 | default: |
| 3221 | /* Unsupported ELS command, reject */ |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3222 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3223 | |
| 3224 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ |
| 3225 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3226 | "%d:0115 Unknown ELS command x%x received from " |
| 3227 | "NPORT x%x\n", phba->brd_no, cmd, did); |
| 3228 | if (newnode) { |
| 3229 | mempool_free( ndlp, phba->nlp_mem_pool); |
| 3230 | } |
| 3231 | break; |
| 3232 | } |
| 3233 | |
| 3234 | /* check if need to LS_RJT received ELS cmd */ |
| 3235 | if (rjt_err) { |
| 3236 | stat.un.b.lsRjtRsvd0 = 0; |
| 3237 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3238 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3239 | stat.un.b.vendorUnique = 0; |
| 3240 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp); |
| 3241 | } |
| 3242 | |
| 3243 | if (elsiocb->context2) { |
| 3244 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3245 | kfree(mp); |
| 3246 | } |
| 3247 | dropit: |
| 3248 | /* check if need to drop received ELS cmd */ |
| 3249 | if (drop_cmd == 1) { |
| 3250 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3251 | "%d:0111 Dropping received ELS cmd " |
| 3252 | "Data: x%x x%x\n", phba->brd_no, |
| 3253 | icmd->ulpStatus, icmd->un.ulpWord[4]); |
| 3254 | phba->fc_stat.elsRcvDrop++; |
| 3255 | } |
| 3256 | return; |
| 3257 | } |