lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
}
-/* lpfc_defer_pt2pt_acc - Complete SLI3 pt2pt processing on link up
+/* lpfc_defer_plogi_acc - Issue PLOGI ACC after reg_login completes
* @phba: pointer to lpfc hba data structure.
- * @link_mbox: pointer to CONFIG_LINK mailbox object
+ * @login_mbox: pointer to REG_RPI mailbox object
*
- * This routine is only called if we are SLI3, direct connect pt2pt
- * mode and the remote NPort issues the PLOGI after link up.
+ * The ACC for a rcv'ed PLOGI is deferred until AFTER the REG_RPI completes
*/
static void
-lpfc_defer_pt2pt_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *link_mbox)
+lpfc_defer_plogi_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *login_mbox)
{
- LPFC_MBOXQ_t *login_mbox;
- MAILBOX_t *mb = &link_mbox->u.mb;
struct lpfc_iocbq *save_iocb;
struct lpfc_nodelist *ndlp;
+ MAILBOX_t *mb = &login_mbox->u.mb;
+
int rc;
- ndlp = link_mbox->ctx_ndlp;
- login_mbox = link_mbox->context3;
+ ndlp = login_mbox->ctx_ndlp;
save_iocb = login_mbox->context3;
- link_mbox->context3 = NULL;
- login_mbox->context3 = NULL;
-
- /* Check for CONFIG_LINK error */
- if (mb->mbxStatus) {
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
- "4575 CONFIG_LINK fails pt2pt discovery: %x\n",
- mb->mbxStatus);
- mempool_free(login_mbox, phba->mbox_mem_pool);
- mempool_free(link_mbox, phba->mbox_mem_pool);
- kfree(save_iocb);
- return;
- }
- /* Now that CONFIG_LINK completed, and our SID is configured,
- * we can now proceed with sending the PLOGI ACC.
- */
- rc = lpfc_els_rsp_acc(link_mbox->vport, ELS_CMD_PLOGI,
- save_iocb, ndlp, login_mbox);
- if (rc) {
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
- "4576 PLOGI ACC fails pt2pt discovery: %x\n",
- rc);
- mempool_free(login_mbox, phba->mbox_mem_pool);
+ if (mb->mbxStatus == MBX_SUCCESS) {
+ /* Now that REG_RPI completed successfully,
+ * we can now proceed with sending the PLOGI ACC.
+ */
+ rc = lpfc_els_rsp_acc(login_mbox->vport, ELS_CMD_PLOGI,
+ save_iocb, ndlp, NULL);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "4576 PLOGI ACC fails pt2pt discovery: "
+ "DID %x Data: %x\n", ndlp->nlp_DID, rc);
+ }
}
- mempool_free(link_mbox, phba->mbox_mem_pool);
+ /* Now process the REG_RPI cmpl */
+ lpfc_mbx_cmpl_reg_login(phba, login_mbox);
+ ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN;
kfree(save_iocb);
}
-/**
- * lpfc_defer_tgt_acc - Progress SLI4 target rcv PLOGI handler
- * @phba: Pointer to HBA context object.
- * @pmb: Pointer to mailbox object.
- *
- * This function provides the unreg rpi mailbox completion handler for a tgt.
- * The routine frees the memory resources associated with the completed
- * mailbox command and transmits the ELS ACC.
- *
- * This routine is only called if we are SLI4, acting in target
- * mode and the remote NPort issues the PLOGI after link up.
- **/
-static void
-lpfc_defer_acc_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
-{
- struct lpfc_vport *vport = pmb->vport;
- struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
- LPFC_MBOXQ_t *mbox = pmb->context3;
- struct lpfc_iocbq *piocb = NULL;
- int rc;
-
- if (mbox) {
- pmb->context3 = NULL;
- piocb = mbox->context3;
- mbox->context3 = NULL;
- }
-
- /*
- * Complete the unreg rpi mbx request, and update flags.
- * This will also restart any deferred events.
- */
- lpfc_sli4_unreg_rpi_cmpl_clr(phba, pmb);
-
- if (!piocb) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
- "4578 PLOGI ACC fail\n");
- if (mbox)
- mempool_free(mbox, phba->mbox_mem_pool);
- return;
- }
-
- rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, piocb, ndlp, mbox);
- if (rc) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
- "4579 PLOGI ACC fail %x\n", rc);
- if (mbox)
- mempool_free(mbox, phba->mbox_mem_pool);
- }
- kfree(piocb);
-}
-
static int
lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct lpfc_iocbq *cmdiocb)
struct lpfc_iocbq *save_iocb;
struct ls_rjt stat;
uint32_t vid, flag;
- u16 rpi;
- int rc, defer_acc;
+ int rc;
memset(&stat, 0, sizeof (struct ls_rjt));
pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
else
ndlp->nlp_fcp_info |= CLASS3;
- defer_acc = 0;
ndlp->nlp_class_sup = 0;
if (sp->cls1.classValid)
ndlp->nlp_class_sup |= FC_COS_CLASS1;
memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm));
- /* Issue config_link / reg_vfi to account for updated TOV's */
-
+ /* Issue CONFIG_LINK for SLI3 or REG_VFI for SLI4,
+ * to account for updated TOV's / parameters
+ */
if (phba->sli_rev == LPFC_SLI_REV4)
lpfc_issue_reg_vfi(vport);
else {
- defer_acc = 1;
link_mbox = mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!link_mbox)
goto out;
lpfc_config_link(phba, link_mbox);
- link_mbox->mbox_cmpl = lpfc_defer_pt2pt_acc;
+ link_mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
link_mbox->vport = vport;
link_mbox->ctx_ndlp = ndlp;
- save_iocb = kzalloc(sizeof(*save_iocb), GFP_KERNEL);
- if (!save_iocb)
+ rc = lpfc_sli_issue_mbox(phba, link_mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(link_mbox, phba->mbox_mem_pool);
goto out;
- /* Save info from cmd IOCB used in rsp */
- memcpy((uint8_t *)save_iocb, (uint8_t *)cmdiocb,
- sizeof(struct lpfc_iocbq));
+ }
}
lpfc_can_disctmo(vport);
if (!login_mbox)
goto out;
- /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */
- if (phba->nvmet_support && !defer_acc) {
- link_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!link_mbox)
- goto out;
-
- /* As unique identifiers such as iotag would be overwritten
- * with those from the cmdiocb, allocate separate temporary
- * storage for the copy.
- */
- save_iocb = kzalloc(sizeof(*save_iocb), GFP_KERNEL);
- if (!save_iocb)
- goto out;
-
- /* Unreg RPI is required for SLI4. */
- rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
- lpfc_unreg_login(phba, vport->vpi, rpi, link_mbox);
- link_mbox->vport = vport;
- link_mbox->ctx_ndlp = lpfc_nlp_get(ndlp);
- if (!link_mbox->ctx_ndlp)
- goto out;
-
- link_mbox->mbox_cmpl = lpfc_defer_acc_rsp;
-
- if (((ndlp->nlp_DID & Fabric_DID_MASK) != Fabric_DID_MASK) &&
- (!(vport->fc_flag & FC_OFFLINE_MODE)))
- ndlp->nlp_flag |= NLP_UNREG_INP;
+ save_iocb = kzalloc(sizeof(*save_iocb), GFP_KERNEL);
+ if (!save_iocb)
+ goto out;
- /* Save info from cmd IOCB used in rsp */
- memcpy(save_iocb, cmdiocb, sizeof(*save_iocb));
+ /* Save info from cmd IOCB to be used in rsp after all mbox completes */
+ memcpy((uint8_t *)save_iocb, (uint8_t *)cmdiocb,
+ sizeof(struct lpfc_iocbq));
- /* Delay sending ACC till unreg RPI completes. */
- defer_acc = 1;
- } else if (phba->sli_rev == LPFC_SLI_REV4)
+ /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */
+ if (phba->sli_rev == LPFC_SLI_REV4)
lpfc_unreg_rpi(vport, ndlp);
+ /* Issue REG_LOGIN first, before ACCing the PLOGI, thus we will
+ * always be deferring the ACC.
+ */
rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID,
(uint8_t *)sp, login_mbox, ndlp->nlp_rpi);
if (rc)
goto out;
- /* ACC PLOGI rsp command needs to execute first,
- * queue this login_mbox command to be processed later.
- */
login_mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
- /*
- * login_mbox->ctx_ndlp = lpfc_nlp_get(ndlp) deferred until mailbox
- * command issued in lpfc_cmpl_els_acc().
- */
login_mbox->vport = vport;
- spin_lock_irq(&ndlp->lock);
- ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI);
- spin_unlock_irq(&ndlp->lock);
/*
* If there is an outstanding PLOGI issued, abort it before
* to register, then unregister the RPI.
*/
spin_lock_irq(&ndlp->lock);
- ndlp->nlp_flag |= NLP_RM_DFLT_RPI;
+ ndlp->nlp_flag |= (NLP_RM_DFLT_RPI | NLP_ACC_REGLOGIN |
+ NLP_RCV_PLOGI);
spin_unlock_irq(&ndlp->lock);
stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD;
stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
mempool_free(login_mbox, phba->mbox_mem_pool);
return 1;
}
- if (defer_acc) {
- /* So the order here should be:
- * SLI3 pt2pt
- * Issue CONFIG_LINK mbox
- * CONFIG_LINK cmpl
- * SLI4 tgt
- * Issue UNREG RPI mbx
- * UNREG RPI cmpl
- * Issue PLOGI ACC
- * PLOGI ACC cmpl
- * Issue REG_LOGIN mbox
- */
- /* Save the REG_LOGIN mbox for and rcv IOCB copy later */
- link_mbox->context3 = login_mbox;
- login_mbox->context3 = save_iocb;
+ /* So the order here should be:
+ * SLI3 pt2pt
+ * Issue CONFIG_LINK mbox
+ * CONFIG_LINK cmpl
+ * SLI4 pt2pt
+ * Issue REG_VFI mbox
+ * REG_VFI cmpl
+ * SLI4
+ * Issue UNREG RPI mbx
+ * UNREG RPI cmpl
+ * Issue REG_RPI mbox
+ * REG RPI cmpl
+ * Issue PLOGI ACC
+ * PLOGI ACC cmpl
+ */
+ login_mbox->mbox_cmpl = lpfc_defer_plogi_acc;
+ login_mbox->ctx_ndlp = lpfc_nlp_get(ndlp);
+ login_mbox->context3 = save_iocb; /* For PLOGI ACC */
- /* Start the ball rolling by issuing CONFIG_LINK here */
- rc = lpfc_sli_issue_mbox(phba, link_mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED)
- goto out;
- return 1;
- }
+ spin_lock_irq(&ndlp->lock);
+ ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI);
+ spin_unlock_irq(&ndlp->lock);
+
+ /* Start the ball rolling by issuing REG_LOGIN here */
+ rc = lpfc_sli_issue_mbox(phba, login_mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED)
+ goto out;
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE);
- rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, login_mbox);
- if (rc)
- mempool_free(login_mbox, phba->mbox_mem_pool);
return 1;
out:
- if (defer_acc)
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
- "4577 discovery failure: %p %p %p\n",
- save_iocb, link_mbox, login_mbox);
kfree(save_iocb);
- if (link_mbox)
- mempool_free(link_mbox, phba->mbox_mem_pool);
if (login_mbox)
mempool_free(login_mbox, phba->mbox_mem_pool);