diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-08-23 16:55:47 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-24 22:29:43 -0400 |
| commit | 44fd7fe3dd2ce9dba873a0522e1eeab9ab5d5651 (patch) | |
| tree | 125bed5530d161319e33bc39c322f601d12c251d /drivers/scsi/lpfc/lpfc_init.c | |
| parent | d58734f05ff0aaa787eeedd1e790fee6c9e92af8 (diff) | |
| download | linux-44fd7fe3dd2ce9dba873a0522e1eeab9ab5d5651.tar.gz | |
scsi: lpfc: Add Buffer to Buffer credit recovery support
Add Buffer to buffer credit recovery support to the driver. This is a
negotiated feature with the peer that allows for both sides to detect
dropped RRDY's and FC Frames and recover credit.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index b21ac2bb0dd3..1b81f734e3ef 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -7625,6 +7625,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "3082 Mailbox (x%x) returned ldv:x0\n", bf_get(lpfc_mqe_command, &pmb->u.mqe)); + if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) { + phba->bbcredit_support = 1; + phba->sli4_hba.bbscn_params.word0 = rd_config->word8; + } + phba->sli4_hba.extents_in_use = bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); phba->sli4_hba.max_cfg_param.max_xri = |