[SCSI] lpfc 8.3.26: Fix issues pertaining to SCSI/FC protocol.

Fix issues pertaining to SCSI/FC protocol.

- Allow frames destined to 0xFFFFFE to be processed by the driver by matching
  that DID with the physical port.
- Call lpfc_sli_issue_iocb with context1 set to ndlp
- In echo command accept function, adjust memcpy to limit memcpy to 1K
- Set LPFC_SLI3_BG_ENABLED properly upon completion.
- Skip the INIT_VFI call in lpfc_register_fcf if the FCF is already
  registered and go immediately to initial flogi.
- use "status" variable instead of "ret" variable to hold the return of the
  fc_block_scsi_eh.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 023da0e..727c793 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4082,9 +4082,6 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
 
        phba->fc_stat.elsXmitACC++;
        elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
-       lpfc_nlp_put(ndlp);
-       elsiocb->context1 = NULL;  /* Don't need ndlp for cmpl,
-                                   * it could be freed */
 
        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
        if (rc == IOCB_ERROR) {
@@ -4166,6 +4163,11 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data,
        psli = &phba->sli;
        cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len;
 
+       /* The accumulated length can exceed the BPL_SIZE.  For
+        * now, use this as the limit
+        */
+       if (cmdsize > LPFC_BPL_SIZE)
+               cmdsize = LPFC_BPL_SIZE;
        elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
                                     ndlp->nlp_DID, ELS_CMD_ACC);
        if (!elsiocb)
@@ -4189,9 +4191,6 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data,
 
        phba->fc_stat.elsXmitACC++;
        elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
-       lpfc_nlp_put(ndlp);
-       elsiocb->context1 = NULL;  /* Don't need ndlp for cmpl,
-                                   * it could be freed */
 
        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
        if (rc == IOCB_ERROR) {

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 0b47adf..7eb34a6 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1412,7 +1412,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
                if (phba->pport->port_state != LPFC_FLOGI) {
                        phba->hba_flag |= FCF_RR_INPROG;
                        spin_unlock_irq(&phba->hbalock);
-                       lpfc_issue_init_vfi(phba->pport);
+                       lpfc_initial_flogi(phba->pport);
                        return;
                }
                spin_unlock_irq(&phba->hbalock);

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index eadd241..75a48e3 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3056,8 +3056,9 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
        }
        ndlp = rdata->pnode;
 
-       if (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
-               scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) {
+       if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) &&
+               (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) ||
+               (phba->sli_rev == LPFC_SLI_REV4))) {
 
                lpfc_printf_log(phba, KERN_ERR, LOG_BG,
                                "9058 BLKGRD: ERROR: rcvd protected cmd:%02x"
@@ -3691,9 +3692,9 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
        fc_host_post_vendor_event(shost, fc_get_event_number(),
                sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID);
 
-       ret = fc_block_scsi_eh(cmnd);
-       if (ret)
-               return ret;
+       status = fc_block_scsi_eh(cmnd);
+       if (status)
+               return status;
 
        /*
         * Since the driver manages a single bus device, reset all

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8b799f0..abed73d 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -5818,9 +5818,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
         * then turn off the global config parameters to disable the
         * feature in the driver.  This is not a fatal error.
         */
-       if ((phba->cfg_enable_bg) &&
-           !(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)))
-               ftr_rsp++;
+       phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED;
+       if (phba->cfg_enable_bg) {
+               if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))
+                       phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
+               else
+                       ftr_rsp++;
+       }
 
        if (phba->max_vpi && phba->cfg_enable_npiv &&
            !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs)))
@@ -13296,7 +13300,8 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr,
        uint32_t did = (fc_hdr->fh_d_id[0] << 16 |
                        fc_hdr->fh_d_id[1] << 8 |
                        fc_hdr->fh_d_id[2]);
-
+       if (did == Fabric_DID)
+               return phba->pport;
        vports = lpfc_create_vport_work_array(phba);
        if (vports != NULL)
                for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {