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>
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 7039549..8eb3f96 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -733,7 +733,6 @@ struct lpfc_hba {
uint32_t fc_rttov; /* R_T_TOV timer value */
uint32_t fc_altov; /* AL_TOV timer value */
uint32_t fc_crtov; /* C_R_TOV timer value */
- uint32_t fc_citov; /* C_I_TOV timer value */
struct serv_parm fc_fabparam; /* fabric service parameters buffer */
uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
@@ -757,6 +756,7 @@ struct lpfc_hba {
#define LPFC_NVMET_MAX_PORTS 32
uint8_t mds_diags_support;
uint32_t initial_imax;
+ uint8_t bbcredit_support;
/* HBA Config Parameters */
uint32_t cfg_ack0;
@@ -836,6 +836,7 @@ struct lpfc_hba {
uint32_t cfg_enable_SmartSAN;
uint32_t cfg_enable_mds_diags;
uint32_t cfg_enable_fc4_type;
+ uint32_t cfg_enable_bbcr; /*Enable BB Credit Recovery*/
uint32_t cfg_xri_split;
#define LPFC_ENABLE_FCP 1
#define LPFC_ENABLE_NVME 2