ice: Use more generic names for ice_ptp_tx fields

Some supported devices have per-port timestamp memory blocks while
others have shared ones within quads. Rename the struct ice_ptp_tx
fields to reflect the block entities it works with
Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_ptp.c

@@ -651,14 +651,14 @@ static bool ice_ptp_tx_tstamp(struct ice_ptp_tx *tx)
 
 	for_each_set_bit(idx, tx->in_use, tx->len) {
 		struct skb_shared_hwtstamps shhwtstamps = {};
-		u8 phy_idx = idx + tx->quad_offset;
+		u8 phy_idx = idx + tx->offset;
 		u64 raw_tstamp, tstamp;
 		struct sk_buff *skb;
 		int err;
 
 		ice_trace(tx_tstamp_fw_req, tx->tstamps[idx].skb, idx);
 
-		err = ice_read_phy_tstamp(&pf->hw, tx->quad, phy_idx,
+		err = ice_read_phy_tstamp(&pf->hw, tx->block, phy_idx,
 					  &raw_tstamp);
 		if (err)
 			continue;
@@ -713,7 +713,7 @@ static bool ice_ptp_tx_tstamp(struct ice_ptp_tx *tx)
  * @tx: Tx tracking structure to initialize
  *
  * Assumes that the length has already been initialized. Do not call directly,
- * use the ice_ptp_init_tx_e822 or ice_ptp_init_tx_e810 instead.
+ * use the ice_ptp_init_tx_* instead.
  */
 static int
 ice_ptp_alloc_tx_tracker(struct ice_ptp_tx *tx)
@@ -747,7 +747,7 @@ ice_ptp_flush_tx_tracker(struct ice_pf *pf, struct ice_ptp_tx *tx)
 	u8 idx;
 
 	for (idx = 0; idx < tx->len; idx++) {
-		u8 phy_idx = idx + tx->quad_offset;
+		u8 phy_idx = idx + tx->offset;
 
 		spin_lock(&tx->lock);
 		if (tx->tstamps[idx].skb) {
@@ -760,7 +760,7 @@ ice_ptp_flush_tx_tracker(struct ice_pf *pf, struct ice_ptp_tx *tx)
 
 		/* Clear any potential residual timestamp in the PHY block */
 		if (!pf->hw.reset_ongoing)
-			ice_clear_phy_tstamp(&pf->hw, tx->quad, phy_idx);
+			ice_clear_phy_tstamp(&pf->hw, tx->block, phy_idx);
 	}
 }
 
@@ -801,9 +801,9 @@ ice_ptp_release_tx_tracker(struct ice_pf *pf, struct ice_ptp_tx *tx)
 static int
 ice_ptp_init_tx_e822(struct ice_pf *pf, struct ice_ptp_tx *tx, u8 port)
 {
-	tx->quad = port / ICE_PORTS_PER_QUAD;
-	tx->quad_offset = (port % ICE_PORTS_PER_QUAD) * INDEX_PER_PORT;
-	tx->len = INDEX_PER_PORT;
+	tx->block = port / ICE_PORTS_PER_QUAD;
+	tx->offset = (port % ICE_PORTS_PER_QUAD) * INDEX_PER_PORT_E822;
+	tx->len = INDEX_PER_PORT_E822;
 
 	return ice_ptp_alloc_tx_tracker(tx);
 }
@@ -819,9 +819,9 @@ ice_ptp_init_tx_e822(struct ice_pf *pf, struct ice_ptp_tx *tx, u8 port)
 static int
 ice_ptp_init_tx_e810(struct ice_pf *pf, struct ice_ptp_tx *tx)
 {
-	tx->quad = pf->hw.port_info->lport;
-	tx->quad_offset = 0;
-	tx->len = INDEX_PER_QUAD;
+	tx->block = pf->hw.port_info->lport;
+	tx->offset = 0;
+	tx->len = INDEX_PER_PORT_E810;
 
 	return ice_ptp_alloc_tx_tracker(tx);
 }
@@ -854,7 +854,7 @@ static void ice_ptp_tx_tstamp_cleanup(struct ice_pf *pf, struct ice_ptp_tx *tx)
 			continue;
 
 		/* Read tstamp to be able to use this register again */
-		ice_read_phy_tstamp(hw, tx->quad, idx + tx->quad_offset,
+		ice_read_phy_tstamp(hw, tx->block, idx + tx->offset,
 				    &raw_tstamp);
 
 		spin_lock(&tx->lock);
@@ -2359,7 +2359,7 @@ s8 ice_ptp_request_ts(struct ice_ptp_tx *tx, struct sk_buff *skb)
 	if (idx >= tx->len)
 		return -1;
 	else
-		return idx + tx->quad_offset;
+		return idx + tx->offset;
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_ptp.h

@@ -108,8 +108,8 @@ struct ice_tx_tstamp {
  * @lock: lock to prevent concurrent write to in_use bitmap
  * @tstamps: array of len to store outstanding requests
  * @in_use: bitmap of len to indicate which slots are in use
- * @quad: which quad the timestamps are captured in
- * @quad_offset: offset into timestamp block of the quad to get the real index
+ * @block: which memory block (quad or port) the timestamps are captured in
+ * @offset: offset into timestamp block to get the real index
  * @len: length of the tstamps and in_use fields.
  * @init: if true, the tracker is initialized;
  * @calibrating: if true, the PHY is calibrating the Tx offset. During this
@@ -119,8 +119,8 @@ struct ice_ptp_tx {
 	spinlock_t lock; /* lock protecting in_use bitmap */
 	struct ice_tx_tstamp *tstamps;
 	unsigned long *in_use;
-	u8 quad;
-	u8 quad_offset;
+	u8 block;
+	u8 offset;
 	u8 len;
 	u8 init;
 	u8 calibrating;
@@ -128,7 +128,8 @@ struct ice_ptp_tx {
 
 /* Quad and port information for initializing timestamp blocks */
 #define INDEX_PER_QUAD			64
-#define INDEX_PER_PORT			(INDEX_PER_QUAD / ICE_PORTS_PER_QUAD)
+#define INDEX_PER_PORT_E822		16
+#define INDEX_PER_PORT_E810		64
 
 /**
  * struct ice_ptp_port - data used to initialize an external port for PTP