Commit 9c99d099 authored by Jesse Brandeburg's avatar Jesse Brandeburg Committed by Tony Nguyen
Browse files

ice: use modern kernel API for kick 



The kernel gained a new interface for drivers to use to combine tail
bump (doorbell) and BQL updates, attempt to use those new interfaces.

Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: default avatarGurucharan G <gurucharanx.g@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent 21c6e36b

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

+5 −4
Original line number Diff line number Diff line
@@ -1576,6 +1576,7 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first, 
	struct sk_buff *skb;

	skb_frag_t *frag;

	dma_addr_t dma;

	bool kick;



	td_tag = off->td_l2tag1;

	td_cmd = off->td_cmd;
@@ -1657,9 +1658,6 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first, 
		tx_buf = &tx_ring->tx_buf[i];

	}



	/* record bytecount for BQL */

	netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount);



	/* record SW timestamp if HW timestamp is not available */

	skb_tx_timestamp(first->skb);
@@ -1688,7 +1686,10 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first, 
	ice_maybe_stop_tx(tx_ring, DESC_NEEDED);



	/* notify HW of packet */

	if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more())

	kick = __netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount,

				      netdev_xmit_more());

	if (kick)

		/* notify HW of packet */

		writel(i, tx_ring->tail);



	return;