[SCSI] qla2xxx: Honour "Extended BB credits" bit for CNAs.
We now enable/disable "Additional Receive Credits" in f/w based on nvram
parameter "Extended_BB_Credits" bit (i.e. Enhanced-Features: at offset 0x196).
This is applicable only for GEN2 CNAs.
Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index cebf4f1..42c5587 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1592,10 +1592,22 @@
/* Offset 384. */
uint8_t reserved_21[16];
- uint16_t reserved_22[8];
+ uint16_t reserved_22[3];
+
+ /*
+ * BIT 0 = Extended BB credits for LR
+ * BIT 1 = Virtual Fabric Enable
+ * BIT 2 = Enhanced Features Unused
+ * BIT 3-7 = Enhanced Features Reserved
+ */
+ /* Enhanced Features */
+ uint8_t enhanced_features;
+
+ uint8_t reserved_23;
+ uint16_t reserved_24[4];
/* Offset 416. */
- uint16_t reserved_23[32];
+ uint16_t reserved_25[32];
/* Offset 480. */
uint8_t model_name[16];
@@ -1603,7 +1615,7 @@
/* Offset 496. */
uint16_t feature_mask_l;
uint16_t feature_mask_h;
- uint16_t reserved_24[2];
+ uint16_t reserved_26[2];
uint16_t subsystem_vendor_id;
uint16_t subsystem_device_id;