| 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. * |
James Smart | 9413aff | 2007-04-25 09:53:35 -0400 | [diff] [blame] | 4 | * Copyright (C) 2004-2007 Emulex. All rights reserved. * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 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 |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 44 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 45 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 46 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 47 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 48 | uint32_t ha_copy; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 49 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 50 | if (vport->port_state >= LPFC_VPORT_READY || |
| 51 | phba->link_state == LPFC_LINK_DOWN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 52 | return 0; |
| 53 | |
| 54 | /* Read the HBA Host Attention Register */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 55 | ha_copy = readl(phba->HAregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 56 | |
| 57 | if (!(ha_copy & HA_LATT)) |
| 58 | return 0; |
| 59 | |
| 60 | /* Pending Link Event during Discovery */ |
| 61 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, |
| 62 | "%d:0237 Pending Link Event during " |
| 63 | "Discovery: State x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 64 | phba->brd_no, phba->pport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 65 | |
| 66 | /* CLEAR_LA should re-enable link attention events and |
| 67 | * we should then imediately take a LATT event. The |
| 68 | * LATT processing should call lpfc_linkdown() which |
| 69 | * will cleanup any left over in-progress discovery |
| 70 | * events. |
| 71 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 72 | spin_lock_irq(shost->host_lock); |
| 73 | vport->fc_flag |= FC_ABORT_DISCOVERY; |
| 74 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 75 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 76 | if (phba->link_state != LPFC_CLEAR_LA) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 77 | lpfc_issue_clear_la(phba, vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 78 | } |
| 79 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 80 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 81 | |
| 82 | } |
| 83 | |
| 84 | static struct lpfc_iocbq * |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 85 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
| 86 | uint16_t cmdSize, uint8_t retry, |
| 87 | struct lpfc_nodelist *ndlp, uint32_t did, |
| 88 | uint32_t elscmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 89 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 90 | struct lpfc_hba *phba = vport->phba; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 91 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 92 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
| 93 | struct ulp_bde64 *bpl; |
| 94 | IOCB_t *icmd; |
| 95 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 96 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 97 | if (!lpfc_is_link_up(phba)) |
| 98 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 99 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 100 | /* Allocate buffer for command iocb */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 101 | elsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 102 | |
| 103 | if (elsiocb == NULL) |
| 104 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 105 | icmd = &elsiocb->iocb; |
| 106 | |
| 107 | /* fill in BDEs for command */ |
| 108 | /* Allocate buffer for command payload */ |
| 109 | if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || |
| 110 | ((pcmd->virt = lpfc_mbuf_alloc(phba, |
| 111 | MEM_PRI, &(pcmd->phys))) == 0)) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 112 | kfree(pcmd); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 113 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 114 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 115 | return NULL; |
| 116 | } |
| 117 | |
| 118 | INIT_LIST_HEAD(&pcmd->list); |
| 119 | |
| 120 | /* Allocate buffer for response payload */ |
| 121 | if (expectRsp) { |
| 122 | prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| 123 | if (prsp) |
| 124 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 125 | &prsp->phys); |
| 126 | if (prsp == 0 || prsp->virt == 0) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 127 | kfree(prsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 128 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 129 | kfree(pcmd); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 130 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 131 | return NULL; |
| 132 | } |
| 133 | INIT_LIST_HEAD(&prsp->list); |
| 134 | } else { |
| 135 | prsp = NULL; |
| 136 | } |
| 137 | |
| 138 | /* Allocate buffer for Buffer ptr list */ |
| 139 | pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| 140 | if (pbuflist) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 141 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 142 | &pbuflist->phys); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 143 | if (pbuflist == 0 || pbuflist->virt == 0) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 144 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 145 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 146 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); |
| 147 | kfree(pcmd); |
| 148 | kfree(prsp); |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 149 | kfree(pbuflist); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 150 | return NULL; |
| 151 | } |
| 152 | |
| 153 | INIT_LIST_HEAD(&pbuflist->list); |
| 154 | |
| 155 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
| 156 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); |
| 157 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 158 | icmd->un.elsreq64.remoteID = did; /* DID */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 159 | if (expectRsp) { |
| 160 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 161 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 162 | icmd->ulpTimeout = phba->fc_ratov * 2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 163 | } else { |
| 164 | icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); |
| 165 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
| 166 | } |
| 167 | |
| 168 | icmd->ulpBdeCount = 1; |
| 169 | icmd->ulpLe = 1; |
| 170 | icmd->ulpClass = CLASS3; |
| 171 | |
| 172 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
| 173 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); |
| 174 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); |
| 175 | bpl->tus.f.bdeSize = cmdSize; |
| 176 | bpl->tus.f.bdeFlags = 0; |
| 177 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 178 | |
| 179 | if (expectRsp) { |
| 180 | bpl++; |
| 181 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); |
| 182 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); |
| 183 | bpl->tus.f.bdeSize = FCELSSIZE; |
| 184 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; |
| 185 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 186 | } |
| 187 | |
| 188 | /* Save for completion so we can release these resources */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 189 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
| 190 | elsiocb->context2 = pcmd; |
| 191 | elsiocb->context3 = pbuflist; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 192 | elsiocb->retry = retry; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 193 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 194 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
| 195 | |
| 196 | if (prsp) { |
| 197 | list_add(&prsp->list, &pcmd->list); |
| 198 | } |
| 199 | |
| 200 | if (expectRsp) { |
| 201 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ |
| 202 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 203 | "%d:0116 Xmit ELS command x%x to remote " |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 204 | "NPORT x%x I/O tag: x%x, port state: x%x\n", |
| 205 | phba->brd_no, elscmd, did, |
| 206 | elsiocb->iotag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 207 | } else { |
| 208 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ |
| 209 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 210 | "%d:0117 Xmit ELS response x%x to remote " |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 211 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 212 | phba->brd_no, elscmd, |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 213 | ndlp->nlp_DID, elsiocb->iotag, cmdSize); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 214 | } |
| 215 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 216 | return elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | |
| 220 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 221 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 222 | struct serv_parm *sp, IOCB_t *irsp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 223 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 224 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 225 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 226 | LPFC_MBOXQ_t *mbox; |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 227 | struct lpfc_dmabuf *mp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 228 | int rc; |
| 229 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 230 | spin_lock_irq(shost->host_lock); |
| 231 | vport->fc_flag |= FC_FABRIC; |
| 232 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 233 | |
| 234 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); |
| 235 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ |
| 236 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; |
| 237 | |
| 238 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; |
| 239 | |
| 240 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 241 | spin_lock_irq(shost->host_lock); |
| 242 | vport->fc_flag |= FC_PUBLIC_LOOP; |
| 243 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 244 | } else { |
| 245 | /* |
| 246 | * If we are a N-port connected to a Fabric, fixup sparam's so |
| 247 | * logins to devices on remote loops work. |
| 248 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 249 | vport->fc_sparam.cmn.altBbCredit = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 250 | } |
| 251 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 252 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 253 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
| 254 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
| 255 | ndlp->nlp_class_sup = 0; |
| 256 | if (sp->cls1.classValid) |
| 257 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 258 | if (sp->cls2.classValid) |
| 259 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 260 | if (sp->cls3.classValid) |
| 261 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 262 | if (sp->cls4.classValid) |
| 263 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 264 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| 265 | sp->cmn.bbRcvSizeLsb; |
| 266 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
| 267 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 268 | ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; |
| 269 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 270 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 271 | if (!mbox) |
| 272 | goto fail; |
| 273 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 274 | vport->port_state = LPFC_FABRIC_CFG_LINK; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 275 | lpfc_config_link(phba, mbox); |
| 276 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 277 | mbox->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 278 | |
| 279 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 280 | if (rc == MBX_NOT_FINISHED) |
| 281 | goto fail_free_mbox; |
| 282 | |
| 283 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 284 | if (!mbox) |
| 285 | goto fail; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 286 | rc = lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0); |
| 287 | if (rc) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 288 | goto fail_free_mbox; |
| 289 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 290 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 291 | mbox->vport = vport; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 292 | mbox->context2 = lpfc_nlp_get(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 293 | |
| 294 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 295 | if (rc == MBX_NOT_FINISHED) |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 296 | goto fail_issue_reg_login; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 297 | |
| 298 | return 0; |
| 299 | |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 300 | fail_issue_reg_login: |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 301 | lpfc_nlp_put(ndlp); |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 302 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 303 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 304 | kfree(mp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 305 | fail_free_mbox: |
| 306 | mempool_free(mbox, phba->mbox_mem_pool); |
| 307 | fail: |
| 308 | return -ENXIO; |
| 309 | } |
| 310 | |
| 311 | /* |
| 312 | * We FLOGIed into an NPort, initiate pt2pt protocol |
| 313 | */ |
| 314 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 315 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 316 | struct serv_parm *sp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 317 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 318 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 319 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 320 | LPFC_MBOXQ_t *mbox; |
| 321 | int rc; |
| 322 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 323 | spin_lock_irq(shost->host_lock); |
| 324 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 325 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 326 | |
| 327 | phba->fc_edtov = FF_DEF_EDTOV; |
| 328 | phba->fc_ratov = FF_DEF_RATOV; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 329 | rc = memcmp(&vport->fc_portname, &sp->portName, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 330 | sizeof(struct lpfc_name)); |
| 331 | if (rc >= 0) { |
| 332 | /* This side will initiate the PLOGI */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 333 | spin_lock_irq(shost->host_lock); |
| 334 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 335 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 336 | |
| 337 | /* |
| 338 | * N_Port ID cannot be 0, set our to LocalID the other |
| 339 | * side will be RemoteID. |
| 340 | */ |
| 341 | |
| 342 | /* not equal */ |
| 343 | if (rc) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 344 | vport->fc_myDID = PT2PT_LocalID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 345 | |
| 346 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 347 | if (!mbox) |
| 348 | goto fail; |
| 349 | |
| 350 | lpfc_config_link(phba, mbox); |
| 351 | |
| 352 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 353 | mbox->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 354 | rc = lpfc_sli_issue_mbox(phba, mbox, |
| 355 | MBX_NOWAIT | MBX_STOP_IOCB); |
| 356 | if (rc == MBX_NOT_FINISHED) { |
| 357 | mempool_free(mbox, phba->mbox_mem_pool); |
| 358 | goto fail; |
| 359 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 360 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 361 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 362 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 363 | if (!ndlp) { |
| 364 | /* |
| 365 | * Cannot find existing Fabric ndlp, so allocate a |
| 366 | * new one |
| 367 | */ |
| 368 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 369 | if (!ndlp) |
| 370 | goto fail; |
| 371 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 372 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | memcpy(&ndlp->nlp_portname, &sp->portName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 376 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 377 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 378 | sizeof(struct lpfc_name)); |
| 379 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 380 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 381 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 382 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 383 | } else { |
| 384 | /* This side will wait for the PLOGI */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 385 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 386 | } |
| 387 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 388 | spin_lock_irq(shost->host_lock); |
| 389 | vport->fc_flag |= FC_PT2PT; |
| 390 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 391 | |
| 392 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 393 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 394 | return 0; |
| 395 | fail: |
| 396 | return -ENXIO; |
| 397 | } |
| 398 | |
| 399 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 400 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 401 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 402 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 403 | struct lpfc_vport *vport = cmdiocb->vport; |
| 404 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 405 | IOCB_t *irsp = &rspiocb->iocb; |
| 406 | struct lpfc_nodelist *ndlp = cmdiocb->context1; |
| 407 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; |
| 408 | struct serv_parm *sp; |
| 409 | int rc; |
| 410 | |
| 411 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 412 | if (lpfc_els_chk_latt(vport)) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 413 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 414 | goto out; |
| 415 | } |
| 416 | |
| 417 | if (irsp->ulpStatus) { |
| 418 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 419 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 420 | goto out; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 421 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 422 | /* FLOGI failed, so there is no fabric */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 423 | spin_lock_irq(shost->host_lock); |
| 424 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 425 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 426 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 427 | /* If private loop, then allow max outstanding els to be |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 428 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
| 429 | * alpa map would take too long otherwise. |
| 430 | */ |
| 431 | if (phba->alpa_map[0] == 0) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 432 | phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | /* FLOGI failure */ |
| 436 | lpfc_printf_log(phba, |
| 437 | KERN_INFO, |
| 438 | LOG_ELS, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 439 | "%d:0100 FLOGI failure Data: x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 440 | phba->brd_no, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 441 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 442 | irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 443 | goto flogifail; |
| 444 | } |
| 445 | |
| 446 | /* |
| 447 | * The FLogI succeeded. Sync the data for the CPU before |
| 448 | * accessing it. |
| 449 | */ |
| 450 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
| 451 | |
| 452 | sp = prsp->virt + sizeof(uint32_t); |
| 453 | |
| 454 | /* FLOGI completes successfully */ |
| 455 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 456 | "%d:0101 FLOGI completes sucessfully " |
| 457 | "Data: x%x x%x x%x x%x\n", |
| 458 | phba->brd_no, |
| 459 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, |
| 460 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); |
| 461 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 462 | if (vport->port_state == LPFC_FLOGI) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 463 | /* |
| 464 | * If Common Service Parameters indicate Nport |
| 465 | * we are point to point, if Fport we are Fabric. |
| 466 | */ |
| 467 | if (sp->cmn.fPort) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 468 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 469 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 470 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 471 | |
| 472 | if (!rc) |
| 473 | goto out; |
| 474 | } |
| 475 | |
| 476 | flogifail: |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 477 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 478 | |
| 479 | if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || |
| 480 | (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && |
| 481 | irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { |
| 482 | /* FLOGI failed, so just use loop map to make discovery list */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 483 | lpfc_disc_list_loopmap(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 484 | |
| 485 | /* Start discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 486 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | out: |
| 490 | lpfc_els_free_iocb(phba, cmdiocb); |
| 491 | } |
| 492 | |
| 493 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 494 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 495 | uint8_t retry) |
| 496 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 497 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 498 | struct serv_parm *sp; |
| 499 | IOCB_t *icmd; |
| 500 | struct lpfc_iocbq *elsiocb; |
| 501 | struct lpfc_sli_ring *pring; |
| 502 | uint8_t *pcmd; |
| 503 | uint16_t cmdsize; |
| 504 | uint32_t tmo; |
| 505 | int rc; |
| 506 | |
| 507 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 508 | |
| 509 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 510 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 511 | ndlp->nlp_DID, ELS_CMD_FLOGI); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 512 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 513 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 514 | |
| 515 | icmd = &elsiocb->iocb; |
| 516 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 517 | |
| 518 | /* For FLOGI request, remainder of payload is service parameters */ |
| 519 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; |
| 520 | pcmd += sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 521 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 522 | sp = (struct serv_parm *) pcmd; |
| 523 | |
| 524 | /* Setup CSPs accordingly for Fabric */ |
| 525 | sp->cmn.e_d_tov = 0; |
| 526 | sp->cmn.w2.r_a_tov = 0; |
| 527 | sp->cls1.classValid = 0; |
| 528 | sp->cls2.seqDelivery = 1; |
| 529 | sp->cls3.seqDelivery = 1; |
| 530 | if (sp->cmn.fcphLow < FC_PH3) |
| 531 | sp->cmn.fcphLow = FC_PH3; |
| 532 | if (sp->cmn.fcphHigh < FC_PH3) |
| 533 | sp->cmn.fcphHigh = FC_PH3; |
| 534 | |
| 535 | tmo = phba->fc_ratov; |
| 536 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 537 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 538 | phba->fc_ratov = tmo; |
| 539 | |
| 540 | phba->fc_stat.elsXmitFLOGI++; |
| 541 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 542 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 543 | if (rc == IOCB_ERROR) { |
| 544 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 545 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 546 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 547 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 551 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 552 | { |
| 553 | struct lpfc_sli_ring *pring; |
| 554 | struct lpfc_iocbq *iocb, *next_iocb; |
| 555 | struct lpfc_nodelist *ndlp; |
| 556 | IOCB_t *icmd; |
| 557 | |
| 558 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
| 559 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 560 | "%d:0201 Abort outstanding I/O on NPort x%x\n", |
| 561 | phba->brd_no, Fabric_DID); |
| 562 | |
| 563 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 564 | |
| 565 | /* |
| 566 | * Check the txcmplq for an iocb that matches the nport the driver is |
| 567 | * searching for. |
| 568 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 569 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 570 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 571 | icmd = &iocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 572 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
| 573 | icmd->un.elsreq64.bdl.ulpIoTag32) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 574 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 575 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) |
| 576 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 577 | } |
| 578 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 579 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 580 | |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 585 | lpfc_initial_flogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 586 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 587 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 588 | struct lpfc_nodelist *ndlp; |
| 589 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 590 | /* First look for the Fabric ndlp */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 591 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 592 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 593 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 594 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 595 | if (!ndlp) |
| 596 | return 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 597 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 598 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 599 | lpfc_dequeue_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 600 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 601 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 602 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 603 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 604 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 605 | } |
| 606 | |
| 607 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 608 | lpfc_more_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 609 | { |
| 610 | int sentplogi; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 611 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 612 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 613 | if (vport->num_disc_nodes) |
| 614 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 615 | |
| 616 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ |
| 617 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 618 | "%d:0232 Continue discovery with %d PLOGIs to go " |
| 619 | "Data: x%x x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 620 | phba->brd_no, vport->num_disc_nodes, |
| 621 | vport->fc_plogi_cnt, vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 622 | |
| 623 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 624 | if (vport->fc_flag & FC_NLP_MORE) |
| 625 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 626 | sentplogi = lpfc_els_disc_plogi(vport); |
| 627 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 628 | return; |
| 629 | } |
| 630 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 631 | static struct lpfc_nodelist * |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 632 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, struct lpfc_dmabuf *prsp, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 633 | struct lpfc_nodelist *ndlp) |
| 634 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 635 | struct lpfc_vport *vport = ndlp->vport; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 636 | struct lpfc_nodelist *new_ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 637 | uint32_t *lp; |
| 638 | struct serv_parm *sp; |
| 639 | uint8_t name[sizeof (struct lpfc_name)]; |
| 640 | uint32_t rc; |
| 641 | |
James Smart | 2fb9bd8 | 2006-12-02 13:33:57 -0500 | [diff] [blame] | 642 | /* Fabric nodes can have the same WWPN so we don't bother searching |
| 643 | * by WWPN. Just return the ndlp that was given to us. |
| 644 | */ |
| 645 | if (ndlp->nlp_type & NLP_FABRIC) |
| 646 | return ndlp; |
| 647 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 648 | lp = (uint32_t *) prsp->virt; |
| 649 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 650 | memset(name, 0, sizeof(struct lpfc_name)); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 651 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 652 | /* Now we find out if the NPort we are logging into, matches the WWPN |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 653 | * we have for that ndlp. If not, we have some work to do. |
| 654 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 655 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 656 | |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 657 | if (new_ndlp == ndlp) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 658 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 659 | |
| 660 | if (!new_ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 661 | rc = memcmp(&ndlp->nlp_portname, name, |
| 662 | sizeof(struct lpfc_name)); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 663 | if (!rc) |
| 664 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 665 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
| 666 | if (!new_ndlp) |
| 667 | return ndlp; |
| 668 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 669 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 670 | } |
| 671 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 672 | lpfc_unreg_rpi(vport, new_ndlp); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 673 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 674 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 675 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 676 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 677 | /* Move this back to NPR state */ |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 678 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 679 | lpfc_drop_node(vport, ndlp); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 680 | else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 681 | lpfc_unreg_rpi(vport, ndlp); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 682 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 683 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 684 | } |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 685 | return new_ndlp; |
| 686 | } |
| 687 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 688 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 689 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 690 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 691 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 692 | struct lpfc_vport *vport = cmdiocb->vport; |
| 693 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 694 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 695 | struct lpfc_nodelist *ndlp; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 696 | struct lpfc_dmabuf *prsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 697 | int disc, rc, did, type; |
| 698 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 699 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 700 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 701 | |
| 702 | irsp = &rspiocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 703 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 704 | |
| 705 | if (!ndlp) { |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 706 | goto out; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 707 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 708 | |
| 709 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 710 | * is being used during discovery. |
| 711 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 712 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 713 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 714 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 715 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 716 | rc = 0; |
| 717 | |
| 718 | /* PLOGI completes to NPort <nlp_DID> */ |
| 719 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 720 | "%d:0102 PLOGI completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 721 | "Data: x%x x%x x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 722 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 723 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 724 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 725 | |
| 726 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 727 | if (lpfc_els_chk_latt(vport)) { |
| 728 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 729 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 730 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 731 | goto out; |
| 732 | } |
| 733 | |
| 734 | /* ndlp could be freed in DSM, save these values now */ |
| 735 | type = ndlp->nlp_type; |
| 736 | did = ndlp->nlp_DID; |
| 737 | |
| 738 | if (irsp->ulpStatus) { |
| 739 | /* Check for retry */ |
| 740 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 741 | /* ELS command is being retried */ |
| 742 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 743 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 744 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 745 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 746 | } |
| 747 | goto out; |
| 748 | } |
| 749 | |
| 750 | /* PLOGI failed */ |
| 751 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 752 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 753 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame] | 754 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 755 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 756 | rc = NLP_STE_FREED_NODE; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 757 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 758 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 759 | NLP_EVT_CMPL_PLOGI); |
| 760 | } |
| 761 | } else { |
| 762 | /* Good status, call state machine */ |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 763 | prsp = list_entry(((struct lpfc_dmabuf *) |
| 764 | cmdiocb->context2)->list.next, |
| 765 | struct lpfc_dmabuf, list); |
| 766 | ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 767 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 768 | NLP_EVT_CMPL_PLOGI); |
| 769 | } |
| 770 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 771 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 772 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 773 | lpfc_more_plogi(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 774 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 775 | if (vport->num_disc_nodes == 0) { |
| 776 | spin_lock_irq(shost->host_lock); |
| 777 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 778 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 779 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 780 | lpfc_can_disctmo(vport); |
| 781 | if (vport->fc_flag & FC_RSCN_MODE) { |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 782 | /* |
| 783 | * Check to see if more RSCNs came in while |
| 784 | * we were processing this one. |
| 785 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 786 | if ((vport->fc_rscn_id_cnt == 0) && |
| 787 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { |
| 788 | spin_lock_irq(shost->host_lock); |
| 789 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 790 | spin_unlock_irq(shost->host_lock); |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 791 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 792 | lpfc_els_handle_rscn(vport); |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 793 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 794 | } |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | out: |
| 799 | lpfc_els_free_iocb(phba, cmdiocb); |
| 800 | return; |
| 801 | } |
| 802 | |
| 803 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 804 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 805 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 806 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 807 | struct serv_parm *sp; |
| 808 | IOCB_t *icmd; |
| 809 | struct lpfc_iocbq *elsiocb; |
| 810 | struct lpfc_sli_ring *pring; |
| 811 | struct lpfc_sli *psli; |
| 812 | uint8_t *pcmd; |
| 813 | uint16_t cmdsize; |
| 814 | |
| 815 | psli = &phba->sli; |
| 816 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 817 | |
| 818 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 819 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did, |
| 820 | ELS_CMD_PLOGI); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 821 | if (!elsiocb) |
| 822 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 823 | |
| 824 | icmd = &elsiocb->iocb; |
| 825 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 826 | |
| 827 | /* For PLOGI request, remainder of payload is service parameters */ |
| 828 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; |
| 829 | pcmd += sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 830 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 831 | sp = (struct serv_parm *) pcmd; |
| 832 | |
| 833 | if (sp->cmn.fcphLow < FC_PH_4_3) |
| 834 | sp->cmn.fcphLow = FC_PH_4_3; |
| 835 | |
| 836 | if (sp->cmn.fcphHigh < FC_PH3) |
| 837 | sp->cmn.fcphHigh = FC_PH3; |
| 838 | |
| 839 | phba->fc_stat.elsXmitPLOGI++; |
| 840 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 841 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 842 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 843 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 844 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 845 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 846 | } |
| 847 | |
| 848 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 849 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 850 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 851 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 852 | struct lpfc_vport *vport = cmdiocb->vport; |
| 853 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 854 | IOCB_t *irsp; |
| 855 | struct lpfc_sli *psli; |
| 856 | struct lpfc_nodelist *ndlp; |
| 857 | |
| 858 | psli = &phba->sli; |
| 859 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 860 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 861 | |
| 862 | irsp = &(rspiocb->iocb); |
| 863 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 864 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 865 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 866 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 867 | |
| 868 | /* PRLI completes to NPort <nlp_DID> */ |
| 869 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 870 | "%d:0103 PRLI completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 871 | "Data: x%x x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 872 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 873 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 874 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 875 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 876 | vport->fc_prli_sent--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 877 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 878 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 879 | goto out; |
| 880 | |
| 881 | if (irsp->ulpStatus) { |
| 882 | /* Check for retry */ |
| 883 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 884 | /* ELS command is being retried */ |
| 885 | goto out; |
| 886 | } |
| 887 | /* PRLI failed */ |
| 888 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 889 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 890 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame] | 891 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 892 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 893 | goto out; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 894 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 895 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 896 | NLP_EVT_CMPL_PRLI); |
| 897 | } |
| 898 | } else { |
| 899 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 900 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| 901 | NLP_EVT_CMPL_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | out: |
| 905 | lpfc_els_free_iocb(phba, cmdiocb); |
| 906 | return; |
| 907 | } |
| 908 | |
| 909 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 910 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 911 | uint8_t retry) |
| 912 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 913 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 914 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 915 | PRLI *npr; |
| 916 | IOCB_t *icmd; |
| 917 | struct lpfc_iocbq *elsiocb; |
| 918 | struct lpfc_sli_ring *pring; |
| 919 | struct lpfc_sli *psli; |
| 920 | uint8_t *pcmd; |
| 921 | uint16_t cmdsize; |
| 922 | |
| 923 | psli = &phba->sli; |
| 924 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 925 | |
| 926 | cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 927 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 928 | ndlp->nlp_DID, ELS_CMD_PRLI); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 929 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 930 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 931 | |
| 932 | icmd = &elsiocb->iocb; |
| 933 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 934 | |
| 935 | /* For PRLI request, remainder of payload is service parameters */ |
| 936 | memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); |
| 937 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
| 938 | pcmd += sizeof (uint32_t); |
| 939 | |
| 940 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 941 | npr = (PRLI *) pcmd; |
| 942 | /* |
| 943 | * If our firmware version is 3.20 or later, |
| 944 | * set the following bits for FC-TAPE support. |
| 945 | */ |
| 946 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { |
| 947 | npr->ConfmComplAllowed = 1; |
| 948 | npr->Retry = 1; |
| 949 | npr->TaskRetryIdReq = 1; |
| 950 | } |
| 951 | npr->estabImagePair = 1; |
| 952 | npr->readXferRdyDis = 1; |
| 953 | |
| 954 | /* For FCP support */ |
| 955 | npr->prliType = PRLI_FCP_TYPE; |
| 956 | npr->initiatorFunc = 1; |
| 957 | |
| 958 | phba->fc_stat.elsXmitPRLI++; |
| 959 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 960 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 961 | ndlp->nlp_flag |= NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 962 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 963 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 964 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 965 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 966 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 967 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 968 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 969 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 970 | vport->fc_prli_sent++; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 971 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 975 | lpfc_more_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 976 | { |
| 977 | int sentadisc; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 978 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 979 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 980 | if (vport->num_disc_nodes) |
| 981 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 982 | |
| 983 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
| 984 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 985 | "%d:0210 Continue discovery with %d ADISCs to go " |
| 986 | "Data: x%x x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 987 | phba->brd_no, vport->num_disc_nodes, |
| 988 | vport->fc_adisc_cnt, vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 989 | |
| 990 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 991 | if (vport->fc_flag & FC_NLP_MORE) { |
| 992 | lpfc_set_disctmo(vport); |
| 993 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
| 994 | sentadisc = lpfc_els_disc_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 995 | } |
| 996 | return; |
| 997 | } |
| 998 | |
| 999 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1000 | lpfc_rscn_disc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1001 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1002 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1003 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1004 | /* RSCN discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1005 | /* go thru NPR nodes and issue ELS PLOGIs */ |
| 1006 | if (vport->fc_npr_cnt) |
| 1007 | if (lpfc_els_disc_plogi(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1008 | return; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1009 | |
| 1010 | if (vport->fc_flag & FC_RSCN_MODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1011 | /* Check to see if more RSCNs came in while we were |
| 1012 | * processing this one. |
| 1013 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1014 | if ((vport->fc_rscn_id_cnt == 0) && |
| 1015 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { |
| 1016 | spin_lock_irq(shost->host_lock); |
| 1017 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 1018 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1019 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1020 | lpfc_els_handle_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1021 | } |
| 1022 | } |
| 1023 | } |
| 1024 | |
| 1025 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1026 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1027 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1028 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1029 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1030 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1031 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1032 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1033 | int disc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1034 | |
| 1035 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1036 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1037 | |
| 1038 | irsp = &(rspiocb->iocb); |
| 1039 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1040 | |
| 1041 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 1042 | * is being used during discovery. |
| 1043 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1044 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1045 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1046 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1047 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1048 | |
| 1049 | /* ADISC completes to NPort <nlp_DID> */ |
| 1050 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1051 | "%d:0104 ADISC completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1052 | "Data: x%x x%x x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1053 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1054 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1055 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1056 | |
| 1057 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1058 | if (lpfc_els_chk_latt(vport)) { |
| 1059 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1060 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1061 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1062 | goto out; |
| 1063 | } |
| 1064 | |
| 1065 | if (irsp->ulpStatus) { |
| 1066 | /* Check for retry */ |
| 1067 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1068 | /* ELS command is being retried */ |
| 1069 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1070 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1071 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1072 | spin_unlock_irq(shost->host_lock); |
| 1073 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1074 | } |
| 1075 | goto out; |
| 1076 | } |
| 1077 | /* ADISC failed */ |
| 1078 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1079 | if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
| 1080 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && |
| 1081 | (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) && |
| 1082 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1083 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1084 | NLP_EVT_CMPL_ADISC); |
| 1085 | } |
| 1086 | } else { |
| 1087 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1088 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1089 | NLP_EVT_CMPL_ADISC); |
| 1090 | } |
| 1091 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1092 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1093 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1094 | lpfc_more_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1095 | |
| 1096 | /* Check to see if we are done with ADISC authentication */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1097 | if (vport->num_disc_nodes == 0) { |
| 1098 | lpfc_can_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1099 | /* If we get here, there is nothing left to wait for */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1100 | if (vport->port_state < LPFC_VPORT_READY && |
| 1101 | phba->link_state != LPFC_CLEAR_LA) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 1102 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1103 | lpfc_issue_clear_la(phba, vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1104 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1105 | lpfc_rscn_disc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1106 | } |
| 1107 | } |
| 1108 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1109 | out: |
| 1110 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1111 | return; |
| 1112 | } |
| 1113 | |
| 1114 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1115 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1116 | uint8_t retry) |
| 1117 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1118 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1119 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1120 | ADISC *ap; |
| 1121 | IOCB_t *icmd; |
| 1122 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1123 | struct lpfc_sli *psli = &phba->sli; |
| 1124 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1125 | uint8_t *pcmd; |
| 1126 | uint16_t cmdsize; |
| 1127 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1128 | cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1129 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1130 | ndlp->nlp_DID, ELS_CMD_ADISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1131 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1132 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1133 | |
| 1134 | icmd = &elsiocb->iocb; |
| 1135 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1136 | |
| 1137 | /* For ADISC request, remainder of payload is service parameters */ |
| 1138 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; |
| 1139 | pcmd += sizeof (uint32_t); |
| 1140 | |
| 1141 | /* Fill in ADISC payload */ |
| 1142 | ap = (ADISC *) pcmd; |
| 1143 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1144 | memcpy(&ap->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
| 1145 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); |
| 1146 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1147 | |
| 1148 | phba->fc_stat.elsXmitADISC++; |
| 1149 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1150 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1151 | ndlp->nlp_flag |= NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1152 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1153 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1154 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1155 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1156 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1157 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1158 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1159 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1160 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1164 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1165 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1166 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1167 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1168 | struct lpfc_vport *vport = ndlp->vport; |
| 1169 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1170 | IOCB_t *irsp; |
| 1171 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1172 | |
| 1173 | psli = &phba->sli; |
| 1174 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1175 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1176 | |
| 1177 | irsp = &(rspiocb->iocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1178 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1179 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1180 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1181 | |
| 1182 | /* LOGO completes to NPort <nlp_DID> */ |
| 1183 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1184 | "%d:0105 LOGO completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1185 | "Data: x%x x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1186 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1187 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1188 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1189 | |
| 1190 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1191 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1192 | goto out; |
| 1193 | |
| 1194 | if (irsp->ulpStatus) { |
| 1195 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1196 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1197 | /* ELS command is being retried */ |
| 1198 | goto out; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1199 | /* LOGO failed */ |
| 1200 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 1201 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1202 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
James.Smart@Emulex.Com | 6281bfe | 2005-11-28 11:41:33 -0500 | [diff] [blame] | 1203 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1204 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| 1205 | goto out; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1206 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1207 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1208 | NLP_EVT_CMPL_LOGO); |
| 1209 | } |
| 1210 | } else { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1211 | /* Good status, call state machine. |
| 1212 | * This will unregister the rpi if needed. |
| 1213 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1214 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| 1215 | NLP_EVT_CMPL_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1216 | } |
| 1217 | |
| 1218 | out: |
| 1219 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1220 | return; |
| 1221 | } |
| 1222 | |
| 1223 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1224 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1225 | uint8_t retry) |
| 1226 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1227 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1228 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1229 | IOCB_t *icmd; |
| 1230 | struct lpfc_iocbq *elsiocb; |
| 1231 | struct lpfc_sli_ring *pring; |
| 1232 | struct lpfc_sli *psli; |
| 1233 | uint8_t *pcmd; |
| 1234 | uint16_t cmdsize; |
| 1235 | |
| 1236 | psli = &phba->sli; |
| 1237 | pring = &psli->ring[LPFC_ELS_RING]; |
| 1238 | |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 1239 | cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1240 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1241 | ndlp->nlp_DID, ELS_CMD_LOGO); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1242 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1243 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1244 | |
| 1245 | icmd = &elsiocb->iocb; |
| 1246 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1247 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
| 1248 | pcmd += sizeof (uint32_t); |
| 1249 | |
| 1250 | /* Fill in LOGO payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1251 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1252 | pcmd += sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1253 | memcpy(pcmd, &vport->fc_portname, sizeof (struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1254 | |
| 1255 | phba->fc_stat.elsXmitLOGO++; |
| 1256 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1257 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1258 | ndlp->nlp_flag |= NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1259 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1260 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1261 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1262 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1263 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1264 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1265 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1266 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1267 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1268 | } |
| 1269 | |
| 1270 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1271 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1272 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1273 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1274 | struct lpfc_vport *vport = cmdiocb->vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1275 | IOCB_t *irsp; |
| 1276 | |
| 1277 | irsp = &rspiocb->iocb; |
| 1278 | |
| 1279 | /* ELS cmd tag <ulpIoTag> completes */ |
| 1280 | lpfc_printf_log(phba, |
| 1281 | KERN_INFO, |
| 1282 | LOG_ELS, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1283 | "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1284 | phba->brd_no, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1285 | irsp->ulpIoTag, irsp->ulpStatus, |
| 1286 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1287 | |
| 1288 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1289 | lpfc_els_chk_latt(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1290 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1291 | return; |
| 1292 | } |
| 1293 | |
| 1294 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1295 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1296 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1297 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1298 | IOCB_t *icmd; |
| 1299 | struct lpfc_iocbq *elsiocb; |
| 1300 | struct lpfc_sli_ring *pring; |
| 1301 | struct lpfc_sli *psli; |
| 1302 | uint8_t *pcmd; |
| 1303 | uint16_t cmdsize; |
| 1304 | struct lpfc_nodelist *ndlp; |
| 1305 | |
| 1306 | psli = &phba->sli; |
| 1307 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1308 | cmdsize = (sizeof (uint32_t) + sizeof (SCR)); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1309 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1310 | if (!ndlp) |
| 1311 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1312 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1313 | lpfc_nlp_init(vport, ndlp, nportid); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1314 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1315 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1316 | ndlp->nlp_DID, ELS_CMD_SCR); |
| 1317 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1318 | if (!elsiocb) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1319 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1320 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1321 | } |
| 1322 | |
| 1323 | icmd = &elsiocb->iocb; |
| 1324 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1325 | |
| 1326 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; |
| 1327 | pcmd += sizeof (uint32_t); |
| 1328 | |
| 1329 | /* For SCR, remainder of payload is SCR parameter page */ |
| 1330 | memset(pcmd, 0, sizeof (SCR)); |
| 1331 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
| 1332 | |
| 1333 | phba->fc_stat.elsXmitSCR++; |
| 1334 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1335 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1336 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1337 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1338 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1339 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1340 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1341 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1342 | } |
| 1343 | |
| 1344 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1345 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1346 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1347 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1348 | IOCB_t *icmd; |
| 1349 | struct lpfc_iocbq *elsiocb; |
| 1350 | struct lpfc_sli_ring *pring; |
| 1351 | struct lpfc_sli *psli; |
| 1352 | FARP *fp; |
| 1353 | uint8_t *pcmd; |
| 1354 | uint32_t *lp; |
| 1355 | uint16_t cmdsize; |
| 1356 | struct lpfc_nodelist *ondlp; |
| 1357 | struct lpfc_nodelist *ndlp; |
| 1358 | |
| 1359 | psli = &phba->sli; |
| 1360 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1361 | cmdsize = (sizeof (uint32_t) + sizeof (FARP)); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1362 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1363 | if (!ndlp) |
| 1364 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1365 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1366 | lpfc_nlp_init(vport, ndlp, nportid); |
| 1367 | |
| 1368 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1369 | ndlp->nlp_DID, ELS_CMD_RNID); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1370 | if (!elsiocb) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1371 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1372 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1373 | } |
| 1374 | |
| 1375 | icmd = &elsiocb->iocb; |
| 1376 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1377 | |
| 1378 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; |
| 1379 | pcmd += sizeof (uint32_t); |
| 1380 | |
| 1381 | /* Fill in FARPR payload */ |
| 1382 | fp = (FARP *) (pcmd); |
| 1383 | memset(fp, 0, sizeof (FARP)); |
| 1384 | lp = (uint32_t *) pcmd; |
| 1385 | *lp++ = be32_to_cpu(nportid); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1386 | *lp++ = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1387 | fp->Rflags = 0; |
| 1388 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); |
| 1389 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1390 | memcpy(&fp->RportName, &vport->fc_portname, sizeof (struct lpfc_name)); |
| 1391 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); |
| 1392 | ondlp = lpfc_findnode_did(vport, nportid); |
| 1393 | if (ondlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1394 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
| 1395 | sizeof (struct lpfc_name)); |
| 1396 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
| 1397 | sizeof (struct lpfc_name)); |
| 1398 | } |
| 1399 | |
| 1400 | phba->fc_stat.elsXmitFARPR++; |
| 1401 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1402 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1403 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1404 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1405 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1406 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1407 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1408 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1409 | } |
| 1410 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 1411 | static void |
| 1412 | lpfc_end_rscn(struct lpfc_vport *vport) |
| 1413 | { |
| 1414 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1415 | |
| 1416 | if (vport->fc_flag & FC_RSCN_MODE) { |
| 1417 | /* |
| 1418 | * Check to see if more RSCNs came in while we were |
| 1419 | * processing this one. |
| 1420 | */ |
| 1421 | if (vport->fc_rscn_id_cnt || |
| 1422 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) |
| 1423 | lpfc_els_handle_rscn(vport); |
| 1424 | else { |
| 1425 | spin_lock_irq(shost->host_lock); |
| 1426 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 1427 | spin_unlock_irq(shost->host_lock); |
| 1428 | } |
| 1429 | } |
| 1430 | } |
| 1431 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1432 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1433 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1434 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1435 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1436 | |
| 1437 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1438 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1439 | spin_unlock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1440 | del_timer_sync(&nlp->nlp_delayfunc); |
| 1441 | nlp->nlp_last_elscmd = 0; |
| 1442 | |
| 1443 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) |
| 1444 | list_del_init(&nlp->els_retry_evt.evt_listp); |
| 1445 | |
| 1446 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1447 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1448 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1449 | spin_unlock_irq(shost->host_lock); |
| 1450 | if (vport->num_disc_nodes) { |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1451 | /* Check to see if there are more |
| 1452 | * PLOGIs to be sent |
| 1453 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1454 | lpfc_more_plogi(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1455 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1456 | if (vport->num_disc_nodes == 0) { |
| 1457 | spin_lock_irq(shost->host_lock); |
| 1458 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 1459 | spin_unlock_irq(shost->host_lock); |
| 1460 | lpfc_can_disctmo(vport); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 1461 | lpfc_end_rscn(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1462 | } |
| 1463 | } |
| 1464 | } |
| 1465 | return; |
| 1466 | } |
| 1467 | |
| 1468 | void |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1469 | lpfc_els_retry_delay(unsigned long ptr) |
| 1470 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1471 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
| 1472 | struct lpfc_vport *vport = ndlp->vport; |
| 1473 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1474 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1475 | unsigned long iflag; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1476 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1477 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1478 | ndlp = (struct lpfc_nodelist *) ptr; |
| 1479 | phba = ndlp->vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1480 | evtp = &ndlp->els_retry_evt; |
| 1481 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1482 | spin_lock_irqsave(shost->host_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1483 | if (!list_empty(&evtp->evt_listp)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1484 | spin_unlock_irqrestore(shost->host_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1485 | return; |
| 1486 | } |
| 1487 | |
| 1488 | evtp->evt_arg1 = ndlp; |
| 1489 | evtp->evt = LPFC_EVT_ELS_RETRY; |
| 1490 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 1491 | if (phba->work_wait) |
| 1492 | wake_up(phba->work_wait); |
| 1493 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1494 | spin_unlock_irqrestore(shost->host_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1495 | return; |
| 1496 | } |
| 1497 | |
| 1498 | void |
| 1499 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) |
| 1500 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1501 | struct lpfc_vport *vport = ndlp->vport; |
| 1502 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1503 | uint32_t cmd, did, retry; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1504 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1505 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1506 | did = ndlp->nlp_DID; |
| 1507 | cmd = ndlp->nlp_last_elscmd; |
| 1508 | ndlp->nlp_last_elscmd = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1509 | |
| 1510 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1511 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1512 | return; |
| 1513 | } |
| 1514 | |
| 1515 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1516 | spin_unlock_irq(shost->host_lock); |
James Smart | 1a16968 | 2006-03-07 15:04:06 -0500 | [diff] [blame] | 1517 | /* |
| 1518 | * If a discovery event readded nlp_delayfunc after timer |
| 1519 | * firing and before processing the timer, cancel the |
| 1520 | * nlp_delayfunc. |
| 1521 | */ |
| 1522 | del_timer_sync(&ndlp->nlp_delayfunc); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1523 | retry = ndlp->nlp_retry; |
| 1524 | |
| 1525 | switch (cmd) { |
| 1526 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1527 | lpfc_issue_els_flogi(vport, ndlp, retry); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1528 | break; |
| 1529 | case ELS_CMD_PLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1530 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1531 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1532 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1533 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1534 | break; |
| 1535 | case ELS_CMD_ADISC: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1536 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1537 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1538 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1539 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1540 | break; |
| 1541 | case ELS_CMD_PRLI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1542 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1543 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1544 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1545 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1546 | break; |
| 1547 | case ELS_CMD_LOGO: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1548 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1549 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1550 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1551 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1552 | break; |
| 1553 | } |
| 1554 | return; |
| 1555 | } |
| 1556 | |
| 1557 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1558 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1559 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1560 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1561 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1562 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1563 | IOCB_t *irsp = &rspiocb->iocb; |
| 1564 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1565 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1566 | uint32_t *elscmd; |
| 1567 | struct ls_rjt stat; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1568 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
| 1569 | uint32_t cmd = 0; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1570 | uint32_t did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1571 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1572 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1573 | /* Note: context2 may be 0 for internal driver abort |
| 1574 | * of delays ELS command. |
| 1575 | */ |
| 1576 | |
| 1577 | if (pcmd && pcmd->virt) { |
| 1578 | elscmd = (uint32_t *) (pcmd->virt); |
| 1579 | cmd = *elscmd++; |
| 1580 | } |
| 1581 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1582 | if (ndlp) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1583 | did = ndlp->nlp_DID; |
| 1584 | else { |
| 1585 | /* We should only hit this case for retrying PLOGI */ |
| 1586 | did = irsp->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1587 | ndlp = lpfc_findnode_did(vport, did); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1588 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
| 1589 | return 1; |
| 1590 | } |
| 1591 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1592 | switch (irsp->ulpStatus) { |
| 1593 | case IOSTAT_FCP_RSP_ERROR: |
| 1594 | case IOSTAT_REMOTE_STOP: |
| 1595 | break; |
| 1596 | |
| 1597 | case IOSTAT_LOCAL_REJECT: |
| 1598 | switch ((irsp->un.ulpWord[4] & 0xff)) { |
| 1599 | case IOERR_LOOP_OPEN_FAILURE: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1600 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1601 | delay = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1602 | retry = 1; |
| 1603 | break; |
| 1604 | |
| 1605 | case IOERR_SEQUENCE_TIMEOUT: |
| 1606 | retry = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1607 | break; |
| 1608 | |
| 1609 | case IOERR_NO_RESOURCES: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1610 | if (cmd == ELS_CMD_PLOGI) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1611 | delay = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1612 | retry = 1; |
| 1613 | break; |
| 1614 | |
| 1615 | case IOERR_INVALID_RPI: |
| 1616 | retry = 1; |
| 1617 | break; |
| 1618 | } |
| 1619 | break; |
| 1620 | |
| 1621 | case IOSTAT_NPORT_RJT: |
| 1622 | case IOSTAT_FABRIC_RJT: |
| 1623 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 1624 | retry = 1; |
| 1625 | break; |
| 1626 | } |
| 1627 | break; |
| 1628 | |
| 1629 | case IOSTAT_NPORT_BSY: |
| 1630 | case IOSTAT_FABRIC_BSY: |
| 1631 | retry = 1; |
| 1632 | break; |
| 1633 | |
| 1634 | case IOSTAT_LS_RJT: |
| 1635 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); |
| 1636 | /* Added for Vendor specifc support |
| 1637 | * Just keep retrying for these Rsn / Exp codes |
| 1638 | */ |
| 1639 | switch (stat.un.b.lsRjtRsnCode) { |
| 1640 | case LSRJT_UNABLE_TPC: |
| 1641 | if (stat.un.b.lsRjtRsnCodeExp == |
| 1642 | LSEXP_CMD_IN_PROGRESS) { |
| 1643 | if (cmd == ELS_CMD_PLOGI) { |
| 1644 | delay = 1; |
| 1645 | maxretry = 48; |
| 1646 | } |
| 1647 | retry = 1; |
| 1648 | break; |
| 1649 | } |
| 1650 | if (cmd == ELS_CMD_PLOGI) { |
| 1651 | delay = 1; |
| 1652 | maxretry = lpfc_max_els_tries + 1; |
| 1653 | retry = 1; |
| 1654 | break; |
| 1655 | } |
| 1656 | break; |
| 1657 | |
| 1658 | case LSRJT_LOGICAL_BSY: |
| 1659 | if (cmd == ELS_CMD_PLOGI) { |
| 1660 | delay = 1; |
| 1661 | maxretry = 48; |
| 1662 | } |
| 1663 | retry = 1; |
| 1664 | break; |
| 1665 | } |
| 1666 | break; |
| 1667 | |
| 1668 | case IOSTAT_INTERMED_RSP: |
| 1669 | case IOSTAT_BA_RJT: |
| 1670 | break; |
| 1671 | |
| 1672 | default: |
| 1673 | break; |
| 1674 | } |
| 1675 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1676 | if (did == FDMI_DID) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1677 | retry = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1678 | |
| 1679 | if ((++cmdiocb->retry) >= maxretry) { |
| 1680 | phba->fc_stat.elsRetryExceeded++; |
| 1681 | retry = 0; |
| 1682 | } |
| 1683 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 1684 | if ((vport->load_flag & FC_UNLOADING) != 0) |
| 1685 | retry = 0; |
| 1686 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1687 | if (retry) { |
| 1688 | |
| 1689 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1690 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1691 | "%d:0107 Retry ELS command x%x to remote " |
| 1692 | "NPORT x%x Data: x%x x%x\n", |
| 1693 | phba->brd_no, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1694 | cmd, did, cmdiocb->retry, delay); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1695 | |
| 1696 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { |
| 1697 | /* If discovery / RSCN timer is running, reset it */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1698 | if (timer_pending(&vport->fc_disctmo) || |
| 1699 | (vport->fc_flag & FC_RSCN_MODE)) |
| 1700 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1701 | } |
| 1702 | |
| 1703 | phba->fc_stat.elsXmitRetry++; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1704 | if (ndlp && delay) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1705 | phba->fc_stat.elsDelayRetry++; |
| 1706 | ndlp->nlp_retry = cmdiocb->retry; |
| 1707 | |
| 1708 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1709 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1710 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1711 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1712 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1713 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1714 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1715 | ndlp->nlp_last_elscmd = cmd; |
| 1716 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1717 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1718 | } |
| 1719 | switch (cmd) { |
| 1720 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1721 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1722 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1723 | case ELS_CMD_PLOGI: |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1724 | if (ndlp) { |
| 1725 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1726 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 1727 | NLP_STE_PLOGI_ISSUE); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1728 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1729 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1730 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1731 | case ELS_CMD_ADISC: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1732 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1733 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 1734 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1735 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1736 | case ELS_CMD_PRLI: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1737 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1738 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
| 1739 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1740 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1741 | case ELS_CMD_LOGO: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1742 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1743 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 1744 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1745 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1746 | } |
| 1747 | } |
| 1748 | |
| 1749 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1750 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1751 | "%d:0108 No retry ELS command x%x to remote NPORT x%x " |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1752 | "Data: x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1753 | phba->brd_no, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1754 | cmd, did, cmdiocb->retry); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1755 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1756 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1757 | } |
| 1758 | |
| 1759 | int |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1760 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1761 | { |
| 1762 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; |
| 1763 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1764 | if (elsiocb->context1) { |
| 1765 | lpfc_nlp_put(elsiocb->context1); |
| 1766 | elsiocb->context1 = NULL; |
| 1767 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1768 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
| 1769 | if (elsiocb->context2) { |
| 1770 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; |
| 1771 | /* Free the response before processing the command. */ |
| 1772 | if (!list_empty(&buf_ptr1->list)) { |
| 1773 | list_remove_head(&buf_ptr1->list, buf_ptr, |
| 1774 | struct lpfc_dmabuf, |
| 1775 | list); |
| 1776 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 1777 | kfree(buf_ptr); |
| 1778 | } |
| 1779 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); |
| 1780 | kfree(buf_ptr1); |
| 1781 | } |
| 1782 | |
| 1783 | if (elsiocb->context3) { |
| 1784 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; |
| 1785 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 1786 | kfree(buf_ptr); |
| 1787 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1788 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1789 | return 0; |
| 1790 | } |
| 1791 | |
| 1792 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1793 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1794 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1795 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1796 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1797 | struct lpfc_vport *vport = cmdiocb->vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1798 | |
| 1799 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
| 1800 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1801 | "%d:0109 ACC to LOGO completes to NPort x%x " |
| 1802 | "Data: x%x x%x x%x\n", |
| 1803 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, |
| 1804 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 1805 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1806 | switch (ndlp->nlp_state) { |
| 1807 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1808 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1809 | break; |
| 1810 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1811 | lpfc_unreg_rpi(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1812 | break; |
| 1813 | default: |
| 1814 | break; |
| 1815 | } |
| 1816 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1817 | return; |
| 1818 | } |
| 1819 | |
| 1820 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1821 | lpfc_cmpl_els_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1822 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1823 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1824 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1825 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; |
| 1826 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 1827 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1828 | LPFC_MBOXQ_t *mbox = NULL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1829 | struct lpfc_dmabuf *mp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1830 | |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 1831 | irsp = &rspiocb->iocb; |
| 1832 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1833 | if (cmdiocb->context_un.mbox) |
| 1834 | mbox = cmdiocb->context_un.mbox; |
| 1835 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1836 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1837 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1838 | if (mbox) { |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 1839 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 1840 | if (mp) { |
| 1841 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 1842 | kfree(mp); |
| 1843 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1844 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1845 | } |
| 1846 | goto out; |
| 1847 | } |
| 1848 | |
| 1849 | /* ELS response tag <ulpIoTag> completes */ |
| 1850 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1851 | "%d:0110 ELS response tag x%x completes " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1852 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1853 | phba->brd_no, |
| 1854 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1855 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1856 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1857 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1858 | |
| 1859 | if (mbox) { |
| 1860 | if ((rspiocb->iocb.ulpStatus == 0) |
| 1861 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1862 | lpfc_unreg_rpi(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1863 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1864 | mbox->context2 = lpfc_nlp_get(ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1865 | mbox->vport = vport; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1866 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1867 | lpfc_nlp_set_state(vport, ndlp, |
| 1868 | NLP_STE_REG_LOGIN_ISSUE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1869 | if (lpfc_sli_issue_mbox(phba, mbox, |
| 1870 | (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 1871 | != MBX_NOT_FINISHED) { |
| 1872 | goto out; |
| 1873 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1874 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1875 | /* NOTE: we should have messages for unsuccessful |
| 1876 | reglogin */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1877 | } else { |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 1878 | /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ |
| 1879 | if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1880 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
| 1881 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| 1882 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { |
| 1883 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1884 | lpfc_drop_node(vport, ndlp); |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 1885 | ndlp = NULL; |
| 1886 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1887 | } |
| 1888 | } |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 1889 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 1890 | if (mp) { |
| 1891 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 1892 | kfree(mp); |
| 1893 | } |
| 1894 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1895 | } |
| 1896 | out: |
| 1897 | if (ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1898 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1899 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1900 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1901 | } |
| 1902 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1903 | return; |
| 1904 | } |
| 1905 | |
| 1906 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1907 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
| 1908 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
| 1909 | LPFC_MBOXQ_t *mbox, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1910 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1911 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1912 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1913 | IOCB_t *icmd; |
| 1914 | IOCB_t *oldcmd; |
| 1915 | struct lpfc_iocbq *elsiocb; |
| 1916 | struct lpfc_sli_ring *pring; |
| 1917 | struct lpfc_sli *psli; |
| 1918 | uint8_t *pcmd; |
| 1919 | uint16_t cmdsize; |
| 1920 | int rc; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 1921 | ELS_PKT *els_pkt_ptr; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1922 | |
| 1923 | psli = &phba->sli; |
| 1924 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1925 | oldcmd = &oldiocb->iocb; |
| 1926 | |
| 1927 | switch (flag) { |
| 1928 | case ELS_CMD_ACC: |
| 1929 | cmdsize = sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1930 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 1931 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1932 | if (!elsiocb) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1933 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1934 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1935 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1936 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1937 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1938 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1939 | icmd = &elsiocb->iocb; |
| 1940 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1941 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1942 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 1943 | pcmd += sizeof (uint32_t); |
| 1944 | break; |
| 1945 | case ELS_CMD_PLOGI: |
| 1946 | cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1947 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 1948 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1949 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1950 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1951 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1952 | icmd = &elsiocb->iocb; |
| 1953 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1954 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1955 | |
| 1956 | if (mbox) |
| 1957 | elsiocb->context_un.mbox = mbox; |
| 1958 | |
| 1959 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 1960 | pcmd += sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1961 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1962 | break; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 1963 | case ELS_CMD_PRLO: |
| 1964 | cmdsize = sizeof (uint32_t) + sizeof (PRLO); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1965 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 1966 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
| 1967 | if (!elsiocb) |
| 1968 | return 1; |
| 1969 | |
| 1970 | icmd = &elsiocb->iocb; |
| 1971 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 1972 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1973 | |
| 1974 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, |
| 1975 | sizeof (uint32_t) + sizeof (PRLO)); |
| 1976 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
| 1977 | els_pkt_ptr = (ELS_PKT *) pcmd; |
| 1978 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; |
| 1979 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1980 | default: |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1981 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1982 | } |
| 1983 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1984 | if (newnode) { |
| 1985 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1986 | elsiocb->context1 = NULL; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1987 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1988 | |
| 1989 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
| 1990 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 1991 | "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
| 1992 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", |
| 1993 | phba->brd_no, elsiocb->iotag, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1994 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 1995 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 1996 | |
| 1997 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1998 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1999 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2000 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2001 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
| 2002 | } else { |
| 2003 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2004 | } |
| 2005 | |
| 2006 | phba->fc_stat.elsXmitACC++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2007 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2008 | if (rc == IOCB_ERROR) { |
| 2009 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2010 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2011 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2012 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2013 | } |
| 2014 | |
| 2015 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2016 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
| 2017 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2018 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2019 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 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 = 2 * sizeof (uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2033 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2034 | ndlp->nlp_DID, ELS_CMD_LS_RJT); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2035 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2036 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2037 | |
| 2038 | icmd = &elsiocb->iocb; |
| 2039 | oldcmd = &oldiocb->iocb; |
| 2040 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2041 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2042 | |
| 2043 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; |
| 2044 | pcmd += sizeof (uint32_t); |
| 2045 | *((uint32_t *) (pcmd)) = rejectError; |
| 2046 | |
| 2047 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
| 2048 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2049 | "%d:0129 Xmit ELS RJT x%x response tag x%x xri x%x, " |
| 2050 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 2051 | phba->brd_no, rejectError, elsiocb->iotag, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2052 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2053 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2054 | |
| 2055 | phba->fc_stat.elsXmitLSRJT++; |
| 2056 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2057 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2058 | if (rc == IOCB_ERROR) { |
| 2059 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2060 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2061 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2062 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2063 | } |
| 2064 | |
| 2065 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2066 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
| 2067 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2068 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2069 | struct lpfc_hba *phba = vport->phba; |
| 2070 | struct lpfc_sli *psli = &phba->sli; |
| 2071 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2072 | ADISC *ap; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2073 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2074 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2075 | uint8_t *pcmd; |
| 2076 | uint16_t cmdsize; |
| 2077 | int rc; |
| 2078 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2079 | cmdsize = sizeof (uint32_t) + sizeof (ADISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2080 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2081 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2082 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2083 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2084 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2085 | icmd = &elsiocb->iocb; |
| 2086 | oldcmd = &oldiocb->iocb; |
| 2087 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2088 | |
| 2089 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
| 2090 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 2091 | "%d:0130 Xmit ADISC ACC response iotag x%x xri: " |
| 2092 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", |
| 2093 | phba->brd_no, elsiocb->iotag, |
| 2094 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2095 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2096 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2097 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2098 | |
| 2099 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 2100 | pcmd += sizeof (uint32_t); |
| 2101 | |
| 2102 | ap = (ADISC *) (pcmd); |
| 2103 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2104 | memcpy(&ap->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
| 2105 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); |
| 2106 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2107 | |
| 2108 | phba->fc_stat.elsXmitACC++; |
| 2109 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2110 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2111 | if (rc == IOCB_ERROR) { |
| 2112 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2113 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2114 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2115 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2116 | } |
| 2117 | |
| 2118 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2119 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2120 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2121 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2122 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2123 | PRLI *npr; |
| 2124 | lpfc_vpd_t *vpd; |
| 2125 | IOCB_t *icmd; |
| 2126 | IOCB_t *oldcmd; |
| 2127 | struct lpfc_iocbq *elsiocb; |
| 2128 | struct lpfc_sli_ring *pring; |
| 2129 | struct lpfc_sli *psli; |
| 2130 | uint8_t *pcmd; |
| 2131 | uint16_t cmdsize; |
| 2132 | int rc; |
| 2133 | |
| 2134 | psli = &phba->sli; |
| 2135 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2136 | |
| 2137 | cmdsize = sizeof (uint32_t) + sizeof (PRLI); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2138 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2139 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2140 | if (!elsiocb) |
| 2141 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2142 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2143 | icmd = &elsiocb->iocb; |
| 2144 | oldcmd = &oldiocb->iocb; |
| 2145 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2146 | |
| 2147 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
| 2148 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 2149 | "%d:0131 Xmit PRLI ACC response tag x%x xri x%x, " |
| 2150 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 2151 | phba->brd_no, elsiocb->iotag, |
| 2152 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2153 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2154 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2155 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2156 | |
| 2157 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); |
| 2158 | pcmd += sizeof (uint32_t); |
| 2159 | |
| 2160 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 2161 | memset(pcmd, 0, sizeof (PRLI)); |
| 2162 | |
| 2163 | npr = (PRLI *) pcmd; |
| 2164 | vpd = &phba->vpd; |
| 2165 | /* |
| 2166 | * If our firmware version is 3.20 or later, |
| 2167 | * set the following bits for FC-TAPE support. |
| 2168 | */ |
| 2169 | if (vpd->rev.feaLevelHigh >= 0x02) { |
| 2170 | npr->ConfmComplAllowed = 1; |
| 2171 | npr->Retry = 1; |
| 2172 | npr->TaskRetryIdReq = 1; |
| 2173 | } |
| 2174 | |
| 2175 | npr->acceptRspCode = PRLI_REQ_EXECUTED; |
| 2176 | npr->estabImagePair = 1; |
| 2177 | npr->readXferRdyDis = 1; |
| 2178 | npr->ConfmComplAllowed = 1; |
| 2179 | |
| 2180 | npr->prliType = PRLI_FCP_TYPE; |
| 2181 | npr->initiatorFunc = 1; |
| 2182 | |
| 2183 | phba->fc_stat.elsXmitACC++; |
| 2184 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2185 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2186 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2187 | if (rc == IOCB_ERROR) { |
| 2188 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2189 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2190 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2191 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2192 | } |
| 2193 | |
| 2194 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2195 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2196 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2197 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2198 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2199 | RNID *rn; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2200 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2201 | struct lpfc_iocbq *elsiocb; |
| 2202 | struct lpfc_sli_ring *pring; |
| 2203 | struct lpfc_sli *psli; |
| 2204 | uint8_t *pcmd; |
| 2205 | uint16_t cmdsize; |
| 2206 | int rc; |
| 2207 | |
| 2208 | psli = &phba->sli; |
| 2209 | pring = &psli->ring[LPFC_ELS_RING]; |
| 2210 | |
| 2211 | cmdsize = sizeof (uint32_t) + sizeof (uint32_t) |
| 2212 | + (2 * sizeof (struct lpfc_name)); |
| 2213 | if (format) |
| 2214 | cmdsize += sizeof (RNID_TOP_DISC); |
| 2215 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2216 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2217 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2218 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2219 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2220 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2221 | icmd = &elsiocb->iocb; |
| 2222 | oldcmd = &oldiocb->iocb; |
| 2223 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2224 | |
| 2225 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
| 2226 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 2227 | "%d:0132 Xmit RNID ACC response tag x%x " |
| 2228 | "xri x%x\n", |
| 2229 | phba->brd_no, elsiocb->iotag, |
| 2230 | elsiocb->iocb.ulpContext); |
| 2231 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2232 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2233 | |
| 2234 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 2235 | pcmd += sizeof (uint32_t); |
| 2236 | |
| 2237 | memset(pcmd, 0, sizeof (RNID)); |
| 2238 | rn = (RNID *) (pcmd); |
| 2239 | rn->Format = format; |
| 2240 | rn->CommonLen = (2 * sizeof (struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2241 | memcpy(&rn->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
| 2242 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2243 | switch (format) { |
| 2244 | case 0: |
| 2245 | rn->SpecificLen = 0; |
| 2246 | break; |
| 2247 | case RNID_TOPOLOGY_DISC: |
| 2248 | rn->SpecificLen = sizeof (RNID_TOP_DISC); |
| 2249 | memcpy(&rn->un.topologyDisc.portName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2250 | &vport->fc_portname, sizeof (struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2251 | rn->un.topologyDisc.unitType = RNID_HBA; |
| 2252 | rn->un.topologyDisc.physPort = 0; |
| 2253 | rn->un.topologyDisc.attachedNodes = 0; |
| 2254 | break; |
| 2255 | default: |
| 2256 | rn->CommonLen = 0; |
| 2257 | rn->SpecificLen = 0; |
| 2258 | break; |
| 2259 | } |
| 2260 | |
| 2261 | phba->fc_stat.elsXmitACC++; |
| 2262 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2263 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2264 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
| 2265 | * it could be freed */ |
| 2266 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2267 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2268 | if (rc == IOCB_ERROR) { |
| 2269 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2270 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2271 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2272 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2273 | } |
| 2274 | |
| 2275 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2276 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2277 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2278 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2279 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2280 | int sentadisc = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2281 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2282 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2283 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2284 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2285 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2286 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2287 | spin_lock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2288 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2289 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2290 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2291 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 2292 | lpfc_issue_els_adisc(vport, ndlp, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2293 | sentadisc++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2294 | vport->num_disc_nodes++; |
| 2295 | if (vport->num_disc_nodes >= |
| 2296 | vport->phba->cfg_discovery_threads) { |
| 2297 | spin_lock_irq(shost->host_lock); |
| 2298 | vport->fc_flag |= FC_NLP_MORE; |
| 2299 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2300 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2301 | } |
| 2302 | } |
| 2303 | } |
| 2304 | if (sentadisc == 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2305 | spin_lock_irq(shost->host_lock); |
| 2306 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2307 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2308 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2309 | return sentadisc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2310 | } |
| 2311 | |
| 2312 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2313 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2314 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2315 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2316 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2317 | int sentplogi = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2318 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2319 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 2320 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2321 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2322 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2323 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && |
| 2324 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { |
| 2325 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2326 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 2327 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2328 | sentplogi++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2329 | vport->num_disc_nodes++; |
| 2330 | if (vport->num_disc_nodes >= |
| 2331 | vport->phba->cfg_discovery_threads) { |
| 2332 | spin_lock_irq(shost->host_lock); |
| 2333 | vport->fc_flag |= FC_NLP_MORE; |
| 2334 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2335 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2336 | } |
| 2337 | } |
| 2338 | } |
| 2339 | if (sentplogi == 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2340 | spin_lock_irq(shost->host_lock); |
| 2341 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2342 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2343 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2344 | return sentplogi; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2345 | } |
| 2346 | |
| 2347 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2348 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2349 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2350 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2351 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2352 | struct lpfc_dmabuf *mp; |
| 2353 | int i; |
| 2354 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2355 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
| 2356 | mp = vport->fc_rscn_id_list[i]; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2357 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
| 2358 | lpfc_sli_hbqbuf_free(phba, mp->virt, mp->phys); |
| 2359 | else { |
| 2360 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2361 | kfree(mp); |
| 2362 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2363 | vport->fc_rscn_id_list[i] = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2364 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2365 | spin_lock_irq(shost->host_lock); |
| 2366 | vport->fc_rscn_id_cnt = 0; |
| 2367 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); |
| 2368 | spin_unlock_irq(shost->host_lock); |
| 2369 | lpfc_can_disctmo(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2370 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2371 | } |
| 2372 | |
| 2373 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2374 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2375 | { |
| 2376 | D_ID ns_did; |
| 2377 | D_ID rscn_did; |
| 2378 | struct lpfc_dmabuf *mp; |
| 2379 | uint32_t *lp; |
| 2380 | uint32_t payload_len, cmd, i, match; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2381 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2382 | |
| 2383 | ns_did.un.word = did; |
| 2384 | match = 0; |
| 2385 | |
| 2386 | /* Never match fabric nodes for RSCNs */ |
| 2387 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2388 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2389 | |
| 2390 | /* If we are doing a FULL RSCN rediscovery, match everything */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2391 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2392 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2393 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2394 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
| 2395 | mp = vport->fc_rscn_id_list[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2396 | lp = (uint32_t *) mp->virt; |
| 2397 | cmd = *lp++; |
| 2398 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ |
| 2399 | payload_len -= sizeof (uint32_t); /* take off word 0 */ |
| 2400 | while (payload_len) { |
| 2401 | rscn_did.un.word = *lp++; |
| 2402 | rscn_did.un.word = be32_to_cpu(rscn_did.un.word); |
| 2403 | payload_len -= sizeof (uint32_t); |
| 2404 | switch (rscn_did.un.b.resv) { |
| 2405 | case 0: /* Single N_Port ID effected */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2406 | if (ns_did.un.word == rscn_did.un.word) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2407 | match = did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2408 | break; |
| 2409 | case 1: /* Whole N_Port Area effected */ |
| 2410 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
| 2411 | && (ns_did.un.b.area == rscn_did.un.b.area)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2412 | match = did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2413 | break; |
| 2414 | case 2: /* Whole N_Port Domain effected */ |
| 2415 | if (ns_did.un.b.domain == rscn_did.un.b.domain) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2416 | match = did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2417 | break; |
| 2418 | case 3: /* Whole Fabric effected */ |
| 2419 | match = did; |
| 2420 | break; |
| 2421 | default: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2422 | /* Unknown Identifier in RSCN node */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2423 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 2424 | "%d:0217 Unknown Identifier in " |
| 2425 | "RSCN payload Data: x%x\n", |
| 2426 | phba->brd_no, rscn_did.un.word); |
| 2427 | break; |
| 2428 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2429 | if (match) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2430 | break; |
| 2431 | } |
| 2432 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2433 | return match; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2434 | } |
| 2435 | |
| 2436 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2437 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2438 | { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2439 | struct lpfc_nodelist *ndlp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2440 | |
| 2441 | /* Look at all nodes effected by pending RSCNs and move |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2442 | * them to NPR state. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2443 | */ |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2444 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2445 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2446 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2447 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2448 | continue; |
| 2449 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2450 | lpfc_disc_state_machine(vport, ndlp, NULL, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2451 | NLP_EVT_DEVICE_RECOVERY); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2452 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2453 | /* |
| 2454 | * Make sure NLP_DELAY_TMO is NOT running after a device |
| 2455 | * recovery event. |
| 2456 | */ |
| 2457 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2458 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2459 | } |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2460 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2461 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2462 | } |
| 2463 | |
| 2464 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2465 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2466 | struct lpfc_nodelist *ndlp, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2467 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2468 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2469 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2470 | struct lpfc_dmabuf *pcmd; |
| 2471 | uint32_t *lp; |
| 2472 | IOCB_t *icmd; |
| 2473 | uint32_t payload_len, cmd; |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2474 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2475 | |
| 2476 | icmd = &cmdiocb->iocb; |
| 2477 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2478 | lp = (uint32_t *) pcmd->virt; |
| 2479 | |
| 2480 | cmd = *lp++; |
| 2481 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ |
| 2482 | payload_len -= sizeof (uint32_t); /* take off word 0 */ |
| 2483 | cmd &= ELS_CMD_MASK; |
| 2484 | |
| 2485 | /* RSCN received */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2486 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2487 | "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2488 | phba->brd_no, vport->fc_flag, payload_len, *lp, |
| 2489 | vport->fc_rscn_id_cnt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2490 | |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2491 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2492 | fc_host_post_event(shost, fc_get_event_number(), |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2493 | FCH_EVT_RSCN, lp[i]); |
| 2494 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2495 | /* If we are about to begin discovery, just ACC the RSCN. |
| 2496 | * Discovery processing will satisfy it. |
| 2497 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2498 | if (vport->port_state <= LPFC_NS_QRY) { |
| 2499 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2500 | newnode); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2501 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2502 | } |
| 2503 | |
| 2504 | /* If we are already processing an RSCN, save the received |
| 2505 | * RSCN payload buffer, cmdiocb->context2 to process later. |
| 2506 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2507 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
| 2508 | if ((vport->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && |
| 2509 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
| 2510 | spin_lock_irq(shost->host_lock); |
| 2511 | vport->fc_flag |= FC_RSCN_MODE; |
| 2512 | spin_unlock_irq(shost->host_lock); |
| 2513 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2514 | |
| 2515 | /* If we zero, cmdiocb->context2, the calling |
| 2516 | * routine will not try to free it. |
| 2517 | */ |
| 2518 | cmdiocb->context2 = NULL; |
| 2519 | |
| 2520 | /* Deferred RSCN */ |
| 2521 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2522 | "%d:0235 Deferred RSCN " |
| 2523 | "Data: x%x x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2524 | phba->brd_no, vport->fc_rscn_id_cnt, |
| 2525 | vport->fc_flag, |
| 2526 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2527 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2528 | spin_lock_irq(shost->host_lock); |
| 2529 | vport->fc_flag |= FC_RSCN_DISCOVERY; |
| 2530 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2531 | /* ReDiscovery RSCN */ |
| 2532 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2533 | "%d:0234 ReDiscovery RSCN " |
| 2534 | "Data: x%x x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2535 | phba->brd_no, vport->fc_rscn_id_cnt, |
| 2536 | vport->fc_flag, |
| 2537 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2538 | } |
| 2539 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2540 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2541 | newnode); |
| 2542 | |
| 2543 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2544 | lpfc_rscn_recovery_check(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2545 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2546 | } |
| 2547 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2548 | spin_lock_irq(shost->host_lock); |
| 2549 | vport->fc_flag |= FC_RSCN_MODE; |
| 2550 | spin_unlock_irq(shost->host_lock); |
| 2551 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2552 | /* |
| 2553 | * If we zero, cmdiocb->context2, the calling routine will |
| 2554 | * not try to free it. |
| 2555 | */ |
| 2556 | cmdiocb->context2 = NULL; |
| 2557 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2558 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2559 | |
| 2560 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2561 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2562 | |
| 2563 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2564 | lpfc_rscn_recovery_check(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2565 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2566 | return lpfc_els_handle_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2567 | } |
| 2568 | |
| 2569 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2570 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2571 | { |
| 2572 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2573 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2574 | |
| 2575 | /* Start timer for RSCN processing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2576 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2577 | |
| 2578 | /* RSCN processed */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2579 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2580 | "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", |
| 2581 | phba->brd_no, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2582 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, |
| 2583 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2584 | |
| 2585 | /* To process RSCN, first compare RSCN data with NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2586 | vport->fc_ns_retry = 0; |
| 2587 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2588 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2589 | /* Good ndlp, issue CT Request to NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2590 | if (lpfc_ns_cmd(vport, ndlp, SLI_CTNS_GID_FT) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2591 | /* Wait for NameServer query cmpl before we can |
| 2592 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2593 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2594 | } else { |
| 2595 | /* If login to NameServer does not exist, issue one */ |
| 2596 | /* Good status, issue PLOGI to NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2597 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
| 2598 | if (ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2599 | /* Wait for NameServer login cmpl before we can |
| 2600 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2601 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2602 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2603 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 2604 | if (!ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2605 | lpfc_els_flush_rscn(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2606 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2607 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2608 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2609 | ndlp->nlp_type |= NLP_FABRIC; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2610 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2611 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 2612 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2613 | /* Wait for NameServer login cmpl before we can |
| 2614 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2615 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2616 | } |
| 2617 | } |
| 2618 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2619 | lpfc_els_flush_rscn(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2620 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2621 | } |
| 2622 | |
| 2623 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2624 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2625 | struct lpfc_nodelist *ndlp, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2626 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2627 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2628 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2629 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2630 | uint32_t *lp = (uint32_t *) pcmd->virt; |
| 2631 | IOCB_t *icmd = &cmdiocb->iocb; |
| 2632 | struct serv_parm *sp; |
| 2633 | LPFC_MBOXQ_t *mbox; |
| 2634 | struct ls_rjt stat; |
| 2635 | uint32_t cmd, did; |
| 2636 | int rc; |
| 2637 | |
| 2638 | cmd = *lp++; |
| 2639 | sp = (struct serv_parm *) lp; |
| 2640 | |
| 2641 | /* FLOGI received */ |
| 2642 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2643 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2644 | |
| 2645 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 2646 | /* We should never receive a FLOGI in loop mode, ignore it */ |
| 2647 | did = icmd->un.elsreq64.remoteID; |
| 2648 | |
| 2649 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in |
| 2650 | Loop Mode */ |
| 2651 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 2652 | "%d:0113 An FLOGI ELS command x%x was received " |
| 2653 | "from DID x%x in Loop Mode\n", |
| 2654 | phba->brd_no, cmd, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2655 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2656 | } |
| 2657 | |
| 2658 | did = Fabric_DID; |
| 2659 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2660 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2661 | /* For a FLOGI we accept, then if our portname is greater |
| 2662 | * then the remote portname we initiate Nport login. |
| 2663 | */ |
| 2664 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2665 | rc = memcmp(&vport->fc_portname, &sp->portName, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2666 | sizeof (struct lpfc_name)); |
| 2667 | |
| 2668 | if (!rc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2669 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2670 | if (!mbox) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2671 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2672 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2673 | lpfc_linkdown(phba); |
| 2674 | lpfc_init_link(phba, mbox, |
| 2675 | phba->cfg_topology, |
| 2676 | phba->cfg_link_speed); |
| 2677 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| 2678 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2679 | mbox->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2680 | rc = lpfc_sli_issue_mbox |
| 2681 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2682 | lpfc_set_loopback_flag(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2683 | if (rc == MBX_NOT_FINISHED) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2684 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2685 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2686 | return 1; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2687 | } else if (rc > 0) { /* greater than */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2688 | spin_lock_irq(shost->host_lock); |
| 2689 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 2690 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2691 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2692 | spin_lock_irq(shost->host_lock); |
| 2693 | vport->fc_flag |= FC_PT2PT; |
| 2694 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 2695 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2696 | } else { |
| 2697 | /* Reject this request because invalid parameters */ |
| 2698 | stat.un.b.lsRjtRsvd0 = 0; |
| 2699 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2700 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 2701 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2702 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2703 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2704 | } |
| 2705 | |
| 2706 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2707 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2708 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2709 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2710 | } |
| 2711 | |
| 2712 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2713 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2714 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2715 | { |
| 2716 | struct lpfc_dmabuf *pcmd; |
| 2717 | uint32_t *lp; |
| 2718 | IOCB_t *icmd; |
| 2719 | RNID *rn; |
| 2720 | struct ls_rjt stat; |
| 2721 | uint32_t cmd, did; |
| 2722 | |
| 2723 | icmd = &cmdiocb->iocb; |
| 2724 | did = icmd->un.elsreq64.remoteID; |
| 2725 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2726 | lp = (uint32_t *) pcmd->virt; |
| 2727 | |
| 2728 | cmd = *lp++; |
| 2729 | rn = (RNID *) lp; |
| 2730 | |
| 2731 | /* RNID received */ |
| 2732 | |
| 2733 | switch (rn->Format) { |
| 2734 | case 0: |
| 2735 | case RNID_TOPOLOGY_DISC: |
| 2736 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2737 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2738 | break; |
| 2739 | default: |
| 2740 | /* Reject this request because format not supported */ |
| 2741 | stat.un.b.lsRjtRsvd0 = 0; |
| 2742 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2743 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2744 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2745 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2746 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2747 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2748 | } |
| 2749 | |
| 2750 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2751 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2752 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2753 | { |
| 2754 | struct ls_rjt stat; |
| 2755 | |
| 2756 | /* For now, unconditionally reject this command */ |
| 2757 | stat.un.b.lsRjtRsvd0 = 0; |
| 2758 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2759 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2760 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2761 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2762 | return 0; |
| 2763 | } |
| 2764 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 2765 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2766 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2767 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2768 | struct lpfc_sli *psli = &phba->sli; |
| 2769 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2770 | MAILBOX_t *mb; |
| 2771 | IOCB_t *icmd; |
| 2772 | RPS_RSP *rps_rsp; |
| 2773 | uint8_t *pcmd; |
| 2774 | struct lpfc_iocbq *elsiocb; |
| 2775 | struct lpfc_nodelist *ndlp; |
| 2776 | uint16_t xri, status; |
| 2777 | uint32_t cmdsize; |
| 2778 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2779 | mb = &pmb->mb; |
| 2780 | |
| 2781 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 2782 | xri = (uint16_t) ((unsigned long)(pmb->context1)); |
Randy Dunlap | 041976f | 2006-06-25 01:58:51 -0700 | [diff] [blame] | 2783 | pmb->context1 = NULL; |
| 2784 | pmb->context2 = NULL; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2785 | |
| 2786 | if (mb->mbxStatus) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2787 | mempool_free(pmb, phba->mbox_mem_pool); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2788 | return; |
| 2789 | } |
| 2790 | |
| 2791 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2792 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2793 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
| 2794 | lpfc_max_els_tries, ndlp, |
| 2795 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2796 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2797 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2798 | return; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2799 | |
| 2800 | icmd = &elsiocb->iocb; |
| 2801 | icmd->ulpContext = xri; |
| 2802 | |
| 2803 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2804 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 2805 | pcmd += sizeof (uint32_t); /* Skip past command */ |
| 2806 | rps_rsp = (RPS_RSP *)pcmd; |
| 2807 | |
| 2808 | if (phba->fc_topology != TOPOLOGY_LOOP) |
| 2809 | status = 0x10; |
| 2810 | else |
| 2811 | status = 0x8; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2812 | if (phba->pport->fc_flag & FC_FABRIC) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2813 | status |= 0x4; |
| 2814 | |
| 2815 | rps_rsp->rsvd1 = 0; |
| 2816 | rps_rsp->portStatus = be16_to_cpu(status); |
| 2817 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); |
| 2818 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); |
| 2819 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); |
| 2820 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); |
| 2821 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); |
| 2822 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); |
| 2823 | |
| 2824 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
| 2825 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2826 | "%d:0118 Xmit ELS RPS ACC response tag x%x xri x%x, " |
| 2827 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 2828 | phba->brd_no, elsiocb->iotag, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2829 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2830 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2831 | |
| 2832 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2833 | phba->fc_stat.elsXmitACC++; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 2834 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2835 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2836 | return; |
| 2837 | } |
| 2838 | |
| 2839 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2840 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2841 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2842 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2843 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2844 | uint32_t *lp; |
| 2845 | uint8_t flag; |
| 2846 | LPFC_MBOXQ_t *mbox; |
| 2847 | struct lpfc_dmabuf *pcmd; |
| 2848 | RPS *rps; |
| 2849 | struct ls_rjt stat; |
| 2850 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2851 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 2852 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2853 | stat.un.b.lsRjtRsvd0 = 0; |
| 2854 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2855 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2856 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2857 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2858 | } |
| 2859 | |
| 2860 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2861 | lp = (uint32_t *) pcmd->virt; |
| 2862 | flag = (be32_to_cpu(*lp++) & 0xf); |
| 2863 | rps = (RPS *) lp; |
| 2864 | |
| 2865 | if ((flag == 0) || |
| 2866 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2867 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2868 | sizeof (struct lpfc_name)) == 0))) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2869 | |
| 2870 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
| 2871 | if (mbox) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2872 | lpfc_read_lnk_stat(phba, mbox); |
| 2873 | mbox->context1 = |
| 2874 | (void *)((unsigned long)cmdiocb->iocb.ulpContext); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2875 | mbox->context2 = lpfc_nlp_get(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2876 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
| 2877 | if (lpfc_sli_issue_mbox (phba, mbox, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2878 | (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2879 | /* Mbox completion will send ELS Response */ |
| 2880 | return 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2881 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2882 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2883 | mempool_free(mbox, phba->mbox_mem_pool); |
| 2884 | } |
| 2885 | } |
| 2886 | stat.un.b.lsRjtRsvd0 = 0; |
| 2887 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2888 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2889 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2890 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2891 | return 0; |
| 2892 | } |
| 2893 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 2894 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2895 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
| 2896 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2897 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2898 | struct lpfc_hba *phba = vport->phba; |
| 2899 | IOCB_t *icmd, *oldcmd; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2900 | RPL_RSP rpl_rsp; |
| 2901 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2902 | struct lpfc_sli *psli = &phba->sli; |
| 2903 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2904 | uint8_t *pcmd; |
| 2905 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2906 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2907 | ndlp->nlp_DID, ELS_CMD_ACC); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2908 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2909 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2910 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2911 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2912 | icmd = &elsiocb->iocb; |
| 2913 | oldcmd = &oldiocb->iocb; |
| 2914 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2915 | |
| 2916 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2917 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
| 2918 | pcmd += sizeof (uint16_t); |
| 2919 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
| 2920 | pcmd += sizeof(uint16_t); |
| 2921 | |
| 2922 | /* Setup the RPL ACC payload */ |
| 2923 | rpl_rsp.listLen = be32_to_cpu(1); |
| 2924 | rpl_rsp.index = 0; |
| 2925 | rpl_rsp.port_num_blk.portNum = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2926 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
| 2927 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2928 | sizeof(struct lpfc_name)); |
| 2929 | |
| 2930 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
| 2931 | |
| 2932 | |
| 2933 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
| 2934 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2935 | "%d:0120 Xmit ELS RPL ACC response tag x%x xri x%x, " |
| 2936 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 2937 | phba->brd_no, elsiocb->iotag, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2938 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2939 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2940 | |
| 2941 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2942 | |
| 2943 | phba->fc_stat.elsXmitACC++; |
| 2944 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 2945 | lpfc_els_free_iocb(phba, elsiocb); |
| 2946 | return 1; |
| 2947 | } |
| 2948 | return 0; |
| 2949 | } |
| 2950 | |
| 2951 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2952 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2953 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2954 | { |
| 2955 | struct lpfc_dmabuf *pcmd; |
| 2956 | uint32_t *lp; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2957 | uint32_t maxsize; |
| 2958 | uint16_t cmdsize; |
| 2959 | RPL *rpl; |
| 2960 | struct ls_rjt stat; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2961 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2962 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 2963 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2964 | stat.un.b.lsRjtRsvd0 = 0; |
| 2965 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2966 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 2967 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2968 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2969 | } |
| 2970 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2971 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2972 | lp = (uint32_t *) pcmd->virt; |
| 2973 | rpl = (RPL *) (lp + 1); |
| 2974 | |
| 2975 | maxsize = be32_to_cpu(rpl->maxsize); |
| 2976 | |
| 2977 | /* We support only one port */ |
| 2978 | if ((rpl->index == 0) && |
| 2979 | ((maxsize == 0) || |
| 2980 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { |
| 2981 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2982 | } else { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 2983 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
| 2984 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2985 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2986 | |
| 2987 | return 0; |
| 2988 | } |
| 2989 | |
| 2990 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2991 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2992 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2993 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2994 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2995 | struct lpfc_dmabuf *pcmd; |
| 2996 | uint32_t *lp; |
| 2997 | IOCB_t *icmd; |
| 2998 | FARP *fp; |
| 2999 | uint32_t cmd, cnt, did; |
| 3000 | |
| 3001 | icmd = &cmdiocb->iocb; |
| 3002 | did = icmd->un.elsreq64.remoteID; |
| 3003 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3004 | lp = (uint32_t *) pcmd->virt; |
| 3005 | |
| 3006 | cmd = *lp++; |
| 3007 | fp = (FARP *) lp; |
| 3008 | |
| 3009 | /* FARP-REQ received from DID <did> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3010 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3011 | "%d:0601 FARP-REQ received from DID x%x\n", |
| 3012 | phba->brd_no, did); |
| 3013 | |
| 3014 | /* We will only support match on WWPN or WWNN */ |
| 3015 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3016 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3017 | } |
| 3018 | |
| 3019 | cnt = 0; |
| 3020 | /* If this FARP command is searching for my portname */ |
| 3021 | if (fp->Mflags & FARP_MATCH_PORT) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3022 | if (memcmp(&fp->RportName, &vport->fc_portname, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3023 | sizeof (struct lpfc_name)) == 0) |
| 3024 | cnt = 1; |
| 3025 | } |
| 3026 | |
| 3027 | /* If this FARP command is searching for my nodename */ |
| 3028 | if (fp->Mflags & FARP_MATCH_NODE) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3029 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3030 | sizeof (struct lpfc_name)) == 0) |
| 3031 | cnt = 1; |
| 3032 | } |
| 3033 | |
| 3034 | if (cnt) { |
| 3035 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || |
| 3036 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { |
| 3037 | /* Log back into the node before sending the FARP. */ |
| 3038 | if (fp->Rflags & FARP_REQUEST_PLOGI) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3039 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3040 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3041 | NLP_STE_PLOGI_ISSUE); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3042 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3043 | } |
| 3044 | |
| 3045 | /* Send a FARP response to that node */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3046 | if (fp->Rflags & FARP_REQUEST_FARPR) |
| 3047 | lpfc_issue_els_farpr(vport, did, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3048 | } |
| 3049 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3050 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3051 | } |
| 3052 | |
| 3053 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3054 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3055 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3056 | { |
| 3057 | struct lpfc_dmabuf *pcmd; |
| 3058 | uint32_t *lp; |
| 3059 | IOCB_t *icmd; |
| 3060 | uint32_t cmd, did; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3061 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3062 | |
| 3063 | icmd = &cmdiocb->iocb; |
| 3064 | did = icmd->un.elsreq64.remoteID; |
| 3065 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3066 | lp = (uint32_t *) pcmd->virt; |
| 3067 | |
| 3068 | cmd = *lp++; |
| 3069 | /* FARP-RSP received from DID <did> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3070 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3071 | "%d:0600 FARP-RSP received from DID x%x\n", |
| 3072 | phba->brd_no, did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3073 | /* ACCEPT the Farp resp request */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3074 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3075 | |
| 3076 | return 0; |
| 3077 | } |
| 3078 | |
| 3079 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3080 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3081 | struct lpfc_nodelist *fan_ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3082 | { |
| 3083 | struct lpfc_dmabuf *pcmd; |
| 3084 | uint32_t *lp; |
| 3085 | IOCB_t *icmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3086 | uint32_t cmd, did; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3087 | FAN *fp; |
| 3088 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3089 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3090 | |
| 3091 | /* FAN received */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3092 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 3093 | "%d:0265 FAN received\n", |
| 3094 | phba->brd_no); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3095 | |
| 3096 | icmd = &cmdiocb->iocb; |
| 3097 | did = icmd->un.elsreq64.remoteID; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3098 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
| 3099 | lp = (uint32_t *)pcmd->virt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3100 | |
| 3101 | cmd = *lp++; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3102 | fp = (FAN *)lp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3103 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3104 | /* FAN received; Fan does not have a reply sequence */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3105 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3106 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3107 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
| 3108 | sizeof(struct lpfc_name)) != 0) || |
| 3109 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, |
| 3110 | sizeof(struct lpfc_name)) != 0)) { |
| 3111 | /* |
| 3112 | * This node has switched fabrics. FLOGI is required |
| 3113 | * Clean up the old rpi's |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3114 | */ |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3115 | |
| 3116 | list_for_each_entry_safe(ndlp, next_ndlp, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3117 | &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3118 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3119 | continue; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3120 | if (ndlp->nlp_type & NLP_FABRIC) { |
| 3121 | /* |
| 3122 | * Clean up old Fabric, Nameserver and |
| 3123 | * other NLP_FABRIC logins |
| 3124 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3125 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3126 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3127 | /* Fail outstanding I/O now since this |
| 3128 | * device is marked for PLOGI |
| 3129 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3130 | lpfc_unreg_rpi(vport, ndlp); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3131 | } |
| 3132 | } |
| 3133 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3134 | vport->port_state = LPFC_FLOGI; |
| 3135 | lpfc_set_disctmo(vport); |
| 3136 | lpfc_initial_flogi(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3137 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3138 | } |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3139 | /* Discovery not needed, |
| 3140 | * move the nodes to their original state. |
| 3141 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3142 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3143 | nlp_listp) { |
| 3144 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3145 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3146 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3147 | switch (ndlp->nlp_prev_state) { |
| 3148 | case NLP_STE_UNMAPPED_NODE: |
| 3149 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3150 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3151 | NLP_STE_UNMAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3152 | break; |
| 3153 | |
| 3154 | case NLP_STE_MAPPED_NODE: |
| 3155 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3156 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3157 | NLP_STE_MAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3158 | break; |
| 3159 | |
| 3160 | default: |
| 3161 | break; |
| 3162 | } |
| 3163 | } |
| 3164 | |
| 3165 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3166 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3167 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3168 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3169 | } |
| 3170 | |
| 3171 | void |
| 3172 | lpfc_els_timeout(unsigned long ptr) |
| 3173 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3174 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
| 3175 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3176 | unsigned long iflag; |
| 3177 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3178 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
| 3179 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| 3180 | vport->work_port_events |= WORKER_ELS_TMO; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3181 | if (phba->work_wait) |
| 3182 | wake_up(phba->work_wait); |
| 3183 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3184 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3185 | return; |
| 3186 | } |
| 3187 | |
| 3188 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3189 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3190 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3191 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3192 | struct lpfc_sli_ring *pring; |
| 3193 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3194 | IOCB_t *cmd = NULL; |
| 3195 | struct lpfc_dmabuf *pcmd; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3196 | uint32_t els_command = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3197 | uint32_t timeout; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3198 | uint32_t remote_ID = 0xffffffff; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3199 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3200 | /* If the timer is already canceled do nothing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3201 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3202 | return; |
| 3203 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3204 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3205 | timeout = (uint32_t)(phba->fc_ratov << 1); |
| 3206 | |
| 3207 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3208 | |
| 3209 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 3210 | cmd = &piocb->iocb; |
| 3211 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3212 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
| 3213 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || |
| 3214 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3215 | continue; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3216 | |
| 3217 | if (piocb->vport != vport) |
| 3218 | continue; |
| 3219 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3220 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3221 | if (pcmd) |
| 3222 | els_command = *(uint32_t *) (pcmd->virt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3223 | |
| 3224 | if ((els_command == ELS_CMD_FARP) |
| 3225 | || (els_command == ELS_CMD_FARPR)) { |
| 3226 | continue; |
| 3227 | } |
| 3228 | |
| 3229 | if (piocb->drvrTimeout > 0) { |
| 3230 | if (piocb->drvrTimeout >= timeout) { |
| 3231 | piocb->drvrTimeout -= timeout; |
| 3232 | } else { |
| 3233 | piocb->drvrTimeout = 0; |
| 3234 | } |
| 3235 | continue; |
| 3236 | } |
| 3237 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3238 | remote_ID = 0xffffffff; |
| 3239 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3240 | remote_ID = cmd->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3241 | else { |
| 3242 | struct lpfc_nodelist *ndlp; |
| 3243 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); |
| 3244 | if (ndlp) |
| 3245 | remote_ID = ndlp->nlp_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3246 | } |
| 3247 | |
| 3248 | lpfc_printf_log(phba, |
| 3249 | KERN_ERR, |
| 3250 | LOG_ELS, |
| 3251 | "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", |
| 3252 | phba->brd_no, els_command, |
| 3253 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); |
| 3254 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3255 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3256 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3257 | spin_unlock_irq(&phba->hbalock); |
James Smart | 5a0e326 | 2006-07-06 15:49:16 -0400 | [diff] [blame] | 3258 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3259 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
| 3260 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3261 | } |
| 3262 | |
| 3263 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3264 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3265 | { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3266 | LIST_HEAD(completions); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3267 | struct lpfc_hba *phba = vport->phba; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3268 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3269 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3270 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3271 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3272 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3273 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
| 3274 | cmd = &piocb->iocb; |
| 3275 | |
| 3276 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3277 | continue; |
| 3278 | } |
| 3279 | |
| 3280 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3281 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
| 3282 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || |
| 3283 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || |
| 3284 | cmd->ulpCommand == CMD_ABORT_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3285 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3286 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3287 | if (piocb->vport != vport) |
| 3288 | continue; |
| 3289 | |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3290 | list_move_tail(&piocb->list, &completions); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 3291 | pring->txq_cnt--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3292 | } |
| 3293 | |
| 3294 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3295 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3296 | continue; |
| 3297 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3298 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3299 | if (piocb->vport != vport) |
| 3300 | continue; |
| 3301 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3302 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3303 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3304 | spin_unlock_irq(&phba->hbalock); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3305 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3306 | while (!list_empty(&completions)) { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3307 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 3308 | cmd = &piocb->iocb; |
| 3309 | list_del(&piocb->list); |
| 3310 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3311 | if (!piocb->iocb_cmpl) |
| 3312 | lpfc_sli_release_iocbq(phba, piocb); |
| 3313 | else { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3314 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3315 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 3316 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3317 | } |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3318 | } |
| 3319 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3320 | return; |
| 3321 | } |
| 3322 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3323 | static void |
| 3324 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3325 | struct lpfc_vport *vport, struct lpfc_dmabuf *mp, |
| 3326 | struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3327 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3328 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3329 | struct ls_rjt stat; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3330 | uint32_t *lp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3331 | uint32_t cmd, did, newnode, rjt_err = 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3332 | IOCB_t *icmd = &elsiocb->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3333 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3334 | if (!vport || !mp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3335 | goto dropit; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3336 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3337 | newnode = 0; |
| 3338 | lp = (uint32_t *) mp->virt; |
| 3339 | cmd = *lp++; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3340 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
| 3341 | lpfc_post_buffer(phba, pring, 1, 1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3342 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3343 | if (icmd->ulpStatus) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3344 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3345 | |
| 3346 | /* Check to see if link went down during discovery */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3347 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3348 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3349 | |
| 3350 | did = icmd->un.rcvels.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3351 | ndlp = lpfc_findnode_did(vport, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3352 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3353 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3354 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3355 | if (!ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3356 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3357 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3358 | lpfc_nlp_init(vport, ndlp, did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3359 | newnode = 1; |
| 3360 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { |
| 3361 | ndlp->nlp_type |= NLP_FABRIC; |
| 3362 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3363 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3364 | } |
| 3365 | |
| 3366 | phba->fc_stat.elsRcvFrame++; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3367 | if (elsiocb->context1) |
| 3368 | lpfc_nlp_put(elsiocb->context1); |
| 3369 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3370 | elsiocb->context2 = mp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3371 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3372 | |
| 3373 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { |
| 3374 | cmd &= ELS_CMD_MASK; |
| 3375 | } |
| 3376 | /* ELS command <elsCmd> received from NPORT <did> */ |
| 3377 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 3378 | "%d:0112 ELS command x%x received from NPORT x%x " |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3379 | "Data: x%x\n", phba->brd_no, cmd, did, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3380 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3381 | |
| 3382 | switch (cmd) { |
| 3383 | case ELS_CMD_PLOGI: |
| 3384 | phba->fc_stat.elsRcvPLOGI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3385 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3386 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3387 | break; |
| 3388 | } |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 3389 | ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3390 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3391 | NLP_EVT_RCV_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3392 | break; |
| 3393 | case ELS_CMD_FLOGI: |
| 3394 | phba->fc_stat.elsRcvFLOGI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3395 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp, newnode); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3396 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3397 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3398 | break; |
| 3399 | case ELS_CMD_LOGO: |
| 3400 | phba->fc_stat.elsRcvLOGO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3401 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3402 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3403 | break; |
| 3404 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3405 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3406 | break; |
| 3407 | case ELS_CMD_PRLO: |
| 3408 | phba->fc_stat.elsRcvPRLO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3409 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3410 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3411 | break; |
| 3412 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3413 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3414 | break; |
| 3415 | case ELS_CMD_RSCN: |
| 3416 | phba->fc_stat.elsRcvRSCN++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3417 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp, newnode); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3418 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3419 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3420 | break; |
| 3421 | case ELS_CMD_ADISC: |
| 3422 | phba->fc_stat.elsRcvADISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3423 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3424 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3425 | break; |
| 3426 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3427 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3428 | NLP_EVT_RCV_ADISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3429 | break; |
| 3430 | case ELS_CMD_PDISC: |
| 3431 | phba->fc_stat.elsRcvPDISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3432 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3433 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3434 | break; |
| 3435 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3436 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3437 | NLP_EVT_RCV_PDISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3438 | break; |
| 3439 | case ELS_CMD_FARPR: |
| 3440 | phba->fc_stat.elsRcvFARPR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3441 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3442 | break; |
| 3443 | case ELS_CMD_FARP: |
| 3444 | phba->fc_stat.elsRcvFARP++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3445 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3446 | break; |
| 3447 | case ELS_CMD_FAN: |
| 3448 | phba->fc_stat.elsRcvFAN++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3449 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3450 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3451 | case ELS_CMD_PRLI: |
| 3452 | phba->fc_stat.elsRcvPRLI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3453 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3454 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3455 | break; |
| 3456 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3457 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3458 | break; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3459 | case ELS_CMD_LIRR: |
| 3460 | phba->fc_stat.elsRcvLIRR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3461 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3462 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3463 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3464 | break; |
| 3465 | case ELS_CMD_RPS: |
| 3466 | phba->fc_stat.elsRcvRPS++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3467 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3468 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3469 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3470 | break; |
| 3471 | case ELS_CMD_RPL: |
| 3472 | phba->fc_stat.elsRcvRPL++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3473 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3474 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3475 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3476 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3477 | case ELS_CMD_RNID: |
| 3478 | phba->fc_stat.elsRcvRNID++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3479 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3480 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3481 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3482 | break; |
| 3483 | default: |
| 3484 | /* Unsupported ELS command, reject */ |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3485 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3486 | |
| 3487 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ |
| 3488 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3489 | "%d:0115 Unknown ELS command x%x " |
| 3490 | "received from NPORT x%x\n", |
| 3491 | phba->brd_no, cmd, did); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3492 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3493 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3494 | break; |
| 3495 | } |
| 3496 | |
| 3497 | /* check if need to LS_RJT received ELS cmd */ |
| 3498 | if (rjt_err) { |
| 3499 | stat.un.b.lsRjtRsvd0 = 0; |
| 3500 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3501 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3502 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3503 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3504 | } |
| 3505 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3506 | return; |
| 3507 | |
| 3508 | dropit: |
| 3509 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3510 | "%d:0111 Dropping received ELS cmd " |
| 3511 | "Data: x%x x%x x%x\n", |
| 3512 | phba->brd_no, |
| 3513 | icmd->ulpStatus, icmd->un.ulpWord[4], |
| 3514 | icmd->ulpTimeout); |
| 3515 | phba->fc_stat.elsRcvDrop++; |
| 3516 | } |
| 3517 | |
| 3518 | |
| 3519 | void |
| 3520 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3521 | struct lpfc_iocbq *elsiocb) |
| 3522 | { |
| 3523 | struct lpfc_vport *vport = phba->pport; |
| 3524 | struct lpfc_dmabuf *mp = NULL; |
| 3525 | IOCB_t *icmd = &elsiocb->iocb; |
| 3526 | struct hbq_dmabuf *sp = NULL; |
| 3527 | dma_addr_t paddr; |
| 3528 | |
| 3529 | if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 3530 | ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { |
| 3531 | phba->fc_stat.NoRcvBuf++; |
| 3532 | /* Not enough posted buffers; Try posting more buffers */ |
| 3533 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
| 3534 | lpfc_sli_hbqbuf_fill_hbq(phba); |
| 3535 | else |
| 3536 | lpfc_post_buffer(phba, pring, 0, 1); |
| 3537 | return; |
| 3538 | } |
| 3539 | |
| 3540 | /* If there are no BDEs associated with this IOCB, |
| 3541 | * there is nothing to do. |
| 3542 | */ |
| 3543 | if (icmd->ulpBdeCount == 0) |
| 3544 | return; |
| 3545 | |
| 3546 | /* type of ELS cmd is first 32bit word in packet */ |
| 3547 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
| 3548 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, |
| 3549 | icmd->un.cont64[0].addrLow); |
| 3550 | sp = lpfc_sli_hbqbuf_find(phba, icmd->un.ulpWord[3]); |
| 3551 | if (sp) |
| 3552 | phba->hbq_buff_count--; |
| 3553 | mp = sp ? &sp->dbuf : NULL; |
| 3554 | } else { |
| 3555 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, |
| 3556 | icmd->un.cont64[0].addrLow); |
| 3557 | mp = lpfc_sli_ringpostbuf_get(phba, pring, paddr); |
| 3558 | } |
| 3559 | |
| 3560 | lpfc_els_unsol_buffer(phba, pring, vport, mp, elsiocb); |
| 3561 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3562 | lpfc_nlp_put(elsiocb->context1); |
| 3563 | elsiocb->context1 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3564 | if (elsiocb->context2) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3565 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
| 3566 | lpfc_sli_free_hbq(phba, sp); |
| 3567 | else { |
| 3568 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3569 | kfree(mp); |
| 3570 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3571 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame^] | 3572 | |
| 3573 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ |
| 3574 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) != 0 && |
| 3575 | icmd->ulpBdeCount == 2) { |
| 3576 | sp = lpfc_sli_hbqbuf_find(phba, icmd->un.ulpWord[15]); |
| 3577 | if (sp) |
| 3578 | phba->hbq_buff_count--; |
| 3579 | mp = sp ? &sp->dbuf : NULL; |
| 3580 | lpfc_els_unsol_buffer(phba, pring, vport, mp, elsiocb); |
| 3581 | /* free mp if we are done with it */ |
| 3582 | if (elsiocb->context2) { |
| 3583 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
| 3584 | lpfc_sli_free_hbq(phba, sp); |
| 3585 | else { |
| 3586 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 3587 | kfree(mp); |
| 3588 | } |
| 3589 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3590 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3591 | } |