[SCSI] lpfc 8.1.2: Handling of ELS commands RRQ, RPS, RPL and LIRR correctly
Handling of ELS commands RRQ, RPS, RPL and LIRR correctly Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
parent
0228aadd0f
commit
7bb3b137ab
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@ -121,7 +121,9 @@ struct lpfc_stats {
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uint32_t elsRcvLOGO;
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uint32_t elsRcvPRLO;
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uint32_t elsRcvPRLI;
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uint32_t elsRcvRRQ;
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uint32_t elsRcvLIRR;
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uint32_t elsRcvRPS;
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uint32_t elsRcvRPL;
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uint32_t elsXmitFLOGI;
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uint32_t elsXmitPLOGI;
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uint32_t elsXmitPRLI;
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@ -26,6 +26,7 @@ void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
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void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
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int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
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void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
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void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
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void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
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int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
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uint32_t);
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@ -2654,41 +2654,243 @@ lpfc_els_rcv_rnid(struct lpfc_hba * phba,
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}
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static int
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lpfc_els_rcv_rrq(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
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lpfc_els_rcv_lirr(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
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struct lpfc_nodelist * ndlp)
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{
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struct ls_rjt stat;
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/* For now, unconditionally reject this command */
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stat.un.b.lsRjtRsvd0 = 0;
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stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
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stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
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stat.un.b.vendorUnique = 0;
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lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
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return 0;
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}
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void
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lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
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{
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struct lpfc_sli *psli;
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struct lpfc_sli_ring *pring;
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MAILBOX_t *mb;
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IOCB_t *icmd;
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RPS_RSP *rps_rsp;
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uint8_t *pcmd;
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struct lpfc_iocbq *elsiocb;
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struct lpfc_nodelist *ndlp;
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uint16_t xri, status;
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uint32_t cmdsize;
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psli = &phba->sli;
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pring = &psli->ring[LPFC_ELS_RING];
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mb = &pmb->mb;
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ndlp = (struct lpfc_nodelist *) pmb->context2;
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xri = (uint16_t) ((unsigned long)(pmb->context1));
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pmb->context1 = 0;
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pmb->context2 = 0;
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if (mb->mbxStatus) {
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mempool_free( pmb, phba->mbox_mem_pool);
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return;
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}
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cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t);
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mempool_free( pmb, phba->mbox_mem_pool);
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if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, 3,
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ndlp, ELS_CMD_ACC)) == 0) {
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return;
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}
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icmd = &elsiocb->iocb;
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icmd->ulpContext = xri;
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pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
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*((uint32_t *) (pcmd)) = ELS_CMD_ACC;
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pcmd += sizeof (uint32_t); /* Skip past command */
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rps_rsp = (RPS_RSP *)pcmd;
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if (phba->fc_topology != TOPOLOGY_LOOP)
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status = 0x10;
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else
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status = 0x8;
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if (phba->fc_flag & FC_FABRIC)
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status |= 0x4;
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rps_rsp->rsvd1 = 0;
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rps_rsp->portStatus = be16_to_cpu(status);
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rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt);
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rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt);
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rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt);
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rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt);
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rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord);
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rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt);
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/* Xmit ELS RPS ACC response tag <ulpIoTag> */
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lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
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"%d:0128 Xmit ELS RPS ACC response tag x%x "
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"Data: x%x x%x x%x x%x x%x\n",
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phba->brd_no,
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elsiocb->iocb.ulpIoTag,
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elsiocb->iocb.ulpContext, ndlp->nlp_DID,
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ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
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elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
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phba->fc_stat.elsXmitACC++;
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if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
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lpfc_els_free_iocb(phba, elsiocb);
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}
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return;
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}
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static int
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lpfc_els_rcv_rps(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
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struct lpfc_nodelist * ndlp)
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{
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uint32_t *lp;
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uint8_t flag;
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LPFC_MBOXQ_t *mbox;
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struct lpfc_dmabuf *pcmd;
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RPS *rps;
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struct ls_rjt stat;
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if((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
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(ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
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stat.un.b.lsRjtRsvd0 = 0;
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stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
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stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
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stat.un.b.vendorUnique = 0;
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lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
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}
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pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
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lp = (uint32_t *) pcmd->virt;
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flag = (be32_to_cpu(*lp++) & 0xf);
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rps = (RPS *) lp;
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if ((flag == 0) ||
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((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) ||
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((flag == 2) && (memcmp(&rps->un.portName, &phba->fc_portname,
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sizeof (struct lpfc_name)) == 0))) {
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if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) {
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lpfc_read_lnk_stat(phba, mbox);
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mbox->context1 =
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(void *)((unsigned long)cmdiocb->iocb.ulpContext);
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mbox->context2 = ndlp;
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mbox->mbox_cmpl = lpfc_els_rsp_rps_acc;
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if (lpfc_sli_issue_mbox (phba, mbox,
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(MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) {
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/* Mbox completion will send ELS Response */
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return 0;
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}
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mempool_free(mbox, phba->mbox_mem_pool);
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}
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}
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stat.un.b.lsRjtRsvd0 = 0;
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stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
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stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
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stat.un.b.vendorUnique = 0;
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lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
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return 0;
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}
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int
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lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize,
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struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
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{
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IOCB_t *icmd;
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IOCB_t *oldcmd;
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RPL_RSP rpl_rsp;
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struct lpfc_iocbq *elsiocb;
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struct lpfc_sli_ring *pring;
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struct lpfc_sli *psli;
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uint8_t *pcmd;
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psli = &phba->sli;
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pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
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if ((elsiocb =
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lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
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ndlp, ELS_CMD_ACC)) == 0) {
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return 1;
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}
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icmd = &elsiocb->iocb;
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oldcmd = &oldiocb->iocb;
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icmd->ulpContext = oldcmd->ulpContext; /* Xri */
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pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
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*((uint32_t *) (pcmd)) = ELS_CMD_ACC;
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pcmd += sizeof (uint16_t);
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*((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize);
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pcmd += sizeof(uint16_t);
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/* Setup the RPL ACC payload */
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rpl_rsp.listLen = be32_to_cpu(1);
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rpl_rsp.index = 0;
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rpl_rsp.port_num_blk.portNum = 0;
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rpl_rsp.port_num_blk.portID = be32_to_cpu(phba->fc_myDID);
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memcpy(&rpl_rsp.port_num_blk.portName, &phba->fc_portname,
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sizeof(struct lpfc_name));
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memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t));
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/* Xmit ELS RPL ACC response tag <ulpIoTag> */
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lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
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"%d:0128 Xmit ELS RPL ACC response tag x%x "
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"Data: x%x x%x x%x x%x x%x\n",
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phba->brd_no,
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elsiocb->iocb.ulpIoTag,
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elsiocb->iocb.ulpContext, ndlp->nlp_DID,
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ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
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elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
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phba->fc_stat.elsXmitACC++;
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if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
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lpfc_els_free_iocb(phba, elsiocb);
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return 1;
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}
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return 0;
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}
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static int
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lpfc_els_rcv_rpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
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struct lpfc_nodelist * ndlp)
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{
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struct lpfc_dmabuf *pcmd;
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uint32_t *lp;
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IOCB_t *icmd;
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struct lpfc_sli_ring *pring;
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struct lpfc_sli *psli;
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RRQ *rrq;
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uint32_t cmd, did;
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uint32_t maxsize;
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uint16_t cmdsize;
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RPL *rpl;
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struct ls_rjt stat;
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psli = &phba->sli;
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pring = &psli->ring[LPFC_FCP_RING];
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icmd = &cmdiocb->iocb;
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did = icmd->un.elsreq64.remoteID;
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pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
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lp = (uint32_t *) pcmd->virt;
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cmd = *lp++;
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rrq = (RRQ *) lp;
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/* RRQ received */
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/* Get oxid / rxid from payload and abort it */
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spin_lock_irq(phba->host->host_lock);
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if ((rrq->SID == be32_to_cpu(phba->fc_myDID))) {
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lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Oxid,
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LPFC_CTX_CTX);
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} else {
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lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Rxid,
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LPFC_CTX_CTX);
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if((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
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(ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
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stat.un.b.lsRjtRsvd0 = 0;
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stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
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stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
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stat.un.b.vendorUnique = 0;
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lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
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}
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spin_unlock_irq(phba->host->host_lock);
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/* ACCEPT the rrq request */
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lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
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pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
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lp = (uint32_t *) pcmd->virt;
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rpl = (RPL *) (lp + 1);
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maxsize = be32_to_cpu(rpl->maxsize);
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/* We support only one port */
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if ((rpl->index == 0) &&
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((maxsize == 0) ||
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((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) {
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cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP);
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}
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else {
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cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t);
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}
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lpfc_els_rsp_rpl_acc(phba, cmdsize, cmdiocb, ndlp);
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return 0;
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}
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@ -3201,10 +3403,6 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
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phba->fc_stat.elsRcvFAN++;
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lpfc_els_rcv_fan(phba, elsiocb, ndlp);
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break;
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case ELS_CMD_RRQ:
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phba->fc_stat.elsRcvRRQ++;
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lpfc_els_rcv_rrq(phba, elsiocb, ndlp);
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break;
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case ELS_CMD_PRLI:
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phba->fc_stat.elsRcvPRLI++;
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if (phba->hba_state < LPFC_DISC_AUTH) {
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@ -3213,9 +3411,33 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
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}
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lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
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break;
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case ELS_CMD_LIRR:
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phba->fc_stat.elsRcvLIRR++;
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lpfc_els_rcv_lirr(phba, elsiocb, ndlp);
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if (newnode) {
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mempool_free( ndlp, phba->nlp_mem_pool);
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}
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break;
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case ELS_CMD_RPS:
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phba->fc_stat.elsRcvRPS++;
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lpfc_els_rcv_rps(phba, elsiocb, ndlp);
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if (newnode) {
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mempool_free( ndlp, phba->nlp_mem_pool);
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}
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break;
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case ELS_CMD_RPL:
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phba->fc_stat.elsRcvRPL++;
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lpfc_els_rcv_rpl(phba, elsiocb, ndlp);
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if (newnode) {
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mempool_free( ndlp, phba->nlp_mem_pool);
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}
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break;
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case ELS_CMD_RNID:
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phba->fc_stat.elsRcvRNID++;
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lpfc_els_rcv_rnid(phba, elsiocb, ndlp);
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if (newnode) {
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mempool_free( ndlp, phba->nlp_mem_pool);
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}
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break;
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default:
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/* Unsupported ELS command, reject */
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@ -454,10 +454,13 @@ struct serv_parm { /* Structure is in Big Endian format */
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#define ELS_CMD_ADISC 0x52000000
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#define ELS_CMD_FARP 0x54000000
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#define ELS_CMD_FARPR 0x55000000
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#define ELS_CMD_RPS 0x56000000
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#define ELS_CMD_RPL 0x57000000
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#define ELS_CMD_FAN 0x60000000
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#define ELS_CMD_RSCN 0x61040000
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#define ELS_CMD_SCR 0x62000000
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#define ELS_CMD_RNID 0x78000000
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#define ELS_CMD_LIRR 0x7A000000
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#else /* __LITTLE_ENDIAN_BITFIELD */
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#define ELS_CMD_MASK 0xffff
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#define ELS_RSP_MASK 0xff
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@ -486,10 +489,13 @@ struct serv_parm { /* Structure is in Big Endian format */
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#define ELS_CMD_ADISC 0x52
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#define ELS_CMD_FARP 0x54
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#define ELS_CMD_FARPR 0x55
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#define ELS_CMD_RPS 0x56
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#define ELS_CMD_RPL 0x57
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#define ELS_CMD_FAN 0x60
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#define ELS_CMD_RSCN 0x0461
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#define ELS_CMD_SCR 0x62
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#define ELS_CMD_RNID 0x78
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#define ELS_CMD_LIRR 0x7A
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#endif
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/*
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@ -758,12 +764,40 @@ typedef struct _RNID { /* Structure is in Big Endian format */
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} un;
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} RNID;
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typedef struct _RRQ { /* Structure is in Big Endian format */
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uint32_t SID;
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uint16_t Oxid;
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uint16_t Rxid;
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uint8_t resv[32]; /* optional association hdr */
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} RRQ;
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typedef struct _RPS { /* Structure is in Big Endian format */
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union {
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uint32_t portNum;
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struct lpfc_name portName;
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||||
} un;
|
||||
} RPS;
|
||||
|
||||
typedef struct _RPS_RSP { /* Structure is in Big Endian format */
|
||||
uint16_t rsvd1;
|
||||
uint16_t portStatus;
|
||||
uint32_t linkFailureCnt;
|
||||
uint32_t lossSyncCnt;
|
||||
uint32_t lossSignalCnt;
|
||||
uint32_t primSeqErrCnt;
|
||||
uint32_t invalidXmitWord;
|
||||
uint32_t crcCnt;
|
||||
} RPS_RSP;
|
||||
|
||||
typedef struct _RPL { /* Structure is in Big Endian format */
|
||||
uint32_t maxsize;
|
||||
uint32_t index;
|
||||
} RPL;
|
||||
|
||||
typedef struct _PORT_NUM_BLK {
|
||||
uint32_t portNum;
|
||||
uint32_t portID;
|
||||
struct lpfc_name portName;
|
||||
} PORT_NUM_BLK;
|
||||
|
||||
typedef struct _RPL_RSP { /* Structure is in Big Endian format */
|
||||
uint32_t listLen;
|
||||
uint32_t index;
|
||||
PORT_NUM_BLK port_num_blk;
|
||||
} RPL_RSP;
|
||||
|
||||
/* This is used for RSCN command */
|
||||
typedef struct _D_ID { /* Structure is in Big Endian format */
|
||||
|
@ -804,7 +838,6 @@ typedef struct _ELS_PKT { /* Structure is in Big Endian format */
|
|||
FARP farp; /* Payload for FARP/ACC */
|
||||
FAN fan; /* Payload for FAN */
|
||||
SCR scr; /* Payload for SCR/ACC */
|
||||
RRQ rrq; /* Payload for RRQ */
|
||||
RNID rnid; /* Payload for RNID */
|
||||
uint8_t pad[128 - 4]; /* Pad out to payload of 128 bytes */
|
||||
} un;
|
||||
|
|
|
@ -336,6 +336,23 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
|
|||
return;
|
||||
}
|
||||
|
||||
/*************************************************/
|
||||
/* lpfc_read_lnk_stat Issue a READ LINK STATUS */
|
||||
/* mailbox command */
|
||||
/*************************************************/
|
||||
void
|
||||
lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
|
||||
{
|
||||
MAILBOX_t *mb;
|
||||
|
||||
mb = &pmb->mb;
|
||||
memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
|
||||
|
||||
mb->mbxCommand = MBX_READ_LNK_STAT;
|
||||
mb->mbxOwner = OWN_HOST;
|
||||
return;
|
||||
}
|
||||
|
||||
/********************************************/
|
||||
/* lpfc_reg_login Issue a REG_LOGIN */
|
||||
/* mailbox command */
|
||||
|
|
Loading…
Reference in New Issue