i40e: DRY rx_ptype handling code

Move rx_ptype extracting to i40e_process_skb_fields() to avoid
duplicating the code.
Signed-off-by: Michał Mirosław <michal.miroslaw@atendesoftware.pl>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_txrx.c

@@ -1775,8 +1775,7 @@ static inline void i40e_rx_hash(struct i40e_ring *ring,
  * other fields within the skb.
  **/
 void i40e_process_skb_fields(struct i40e_ring *rx_ring,
-			     union i40e_rx_desc *rx_desc, struct sk_buff *skb,
-			     u8 rx_ptype)
+			     union i40e_rx_desc *rx_desc, struct sk_buff *skb)
 {
 	u64 qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
 	u32 rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) >>
@@ -1784,6 +1783,8 @@ void i40e_process_skb_fields(struct i40e_ring *rx_ring,
 	u32 tsynvalid = rx_status & I40E_RXD_QW1_STATUS_TSYNVALID_MASK;
 	u32 tsyn = (rx_status & I40E_RXD_QW1_STATUS_TSYNINDX_MASK) >>
 		   I40E_RXD_QW1_STATUS_TSYNINDX_SHIFT;
+	u8 rx_ptype = (qword & I40E_RXD_QW1_PTYPE_MASK) >>
+		      I40E_RXD_QW1_PTYPE_SHIFT;
 
 	if (unlikely(tsynvalid))
 		i40e_ptp_rx_hwtstamp(rx_ring->vsi->back, skb, tsyn);
@@ -2339,7 +2340,6 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
 		struct i40e_rx_buffer *rx_buffer;
 		union i40e_rx_desc *rx_desc;
 		unsigned int size;
-		u8 rx_ptype;
 		u64 qword;
 
 		/* return some buffers to hardware, one at a time is too slow */
@@ -2432,12 +2432,8 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
 		/* probably a little skewed due to removing CRC */
 		total_rx_bytes += skb->len;
 
-		qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
-		rx_ptype = (qword & I40E_RXD_QW1_PTYPE_MASK) >>
-			   I40E_RXD_QW1_PTYPE_SHIFT;
-
 		/* populate checksum, VLAN, and protocol */
-		i40e_process_skb_fields(rx_ring, rx_desc, skb, rx_ptype);
+		i40e_process_skb_fields(rx_ring, rx_desc, skb);
 
 		i40e_trace(clean_rx_irq_rx, rx_ring, rx_desc, skb);
 		napi_gro_receive(&rx_ring->q_vector->napi, skb);

drivers/net/ethernet/intel/i40e/i40e_txrx_common.h

@@ -12,8 +12,7 @@ struct i40e_rx_buffer *i40e_clean_programming_status(
 	union i40e_rx_desc *rx_desc,
 	u64 qw);
 void i40e_process_skb_fields(struct i40e_ring *rx_ring,
-			     union i40e_rx_desc *rx_desc, struct sk_buff *skb,
-			     u8 rx_ptype);
+			     union i40e_rx_desc *rx_desc, struct sk_buff *skb);
 void i40e_xdp_ring_update_tail(struct i40e_ring *xdp_ring);
 void i40e_update_rx_stats(struct i40e_ring *rx_ring,
 			  unsigned int total_rx_bytes,

drivers/net/ethernet/intel/i40e/i40e_xsk.c

@@ -634,7 +634,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
 		struct i40e_rx_buffer *bi;
 		union i40e_rx_desc *rx_desc;
 		unsigned int size;
-		u8 rx_ptype;
 		u64 qword;
 
 		if (cleaned_count >= I40E_RX_BUFFER_WRITE) {
@@ -712,10 +711,7 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
 		total_rx_bytes += skb->len;
 		total_rx_packets++;
 
-		qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
-		rx_ptype = (qword & I40E_RXD_QW1_PTYPE_MASK) >>
-			   I40E_RXD_QW1_PTYPE_SHIFT;
-		i40e_process_skb_fields(rx_ring, rx_desc, skb, rx_ptype);
+		i40e_process_skb_fields(rx_ring, rx_desc, skb);
 		napi_gro_receive(&rx_ring->q_vector->napi, skb);
 	}