i40e: Remove queue tracking fields from i40e_adminq_ring

Fields 'head', 'tail', 'len', 'bah' and 'bal' in i40e_adminq_ring
are used to store register offsets. These offsets are initialized
and remains constant so there is no need to store them in the
i40e_adminq_ring structure.

Remove these fields from i40e_adminq_ring and use register offset
constants instead. Remove i40e_adminq_init_regs() that originally
stores these constants into these fields.

Finally improve i40e_check_asq_alive() that assumes that
non-zero value of hw->aq.asq.len indicates fully initialized
AdminQ send queue. Replace it by check for non-zero value
of field hw->aq.asq.count that is non-zero when the sending
queue is initialized and is zeroed during shutdown of
the queue.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
index 80125bea80a2..ee86d2c53079 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
@@ -29,13 +29,6 @@ struct i40e_adminq_ring {
 	/* used for interrupt processing */
 	u16 next_to_use;
 	u16 next_to_clean;
-
-	/* used for queue tracking */
-	u32 head;
-	u32 tail;
-	u32 len;
-	u32 bah;
-	u32 bal;
 };
 
 /* ASQ transaction details */