Commit 632bb64f authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by David S. Miller
Browse files

net: mvneta: try to use in-irq pp cache in mvneta_txq_bufs_free 



Try to recycle the xdp tx buffer into the in-irq page_pool cache if
mvneta_txq_bufs_free is executed in the NAPI context for XDP_TX use case

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 35d37709

drivers/net/ethernet/marvell/mvneta.c

+7 −4
Original line number Diff line number Diff line
@@ -1831,7 +1831,7 @@ static struct mvneta_tx_queue *mvneta_tx_done_policy(struct mvneta_port *pp, 
/* Free tx queue skbuffs */

static void mvneta_txq_bufs_free(struct mvneta_port *pp,

				 struct mvneta_tx_queue *txq, int num,

				 struct netdev_queue *nq)

				 struct netdev_queue *nq, bool napi)

{

	unsigned int bytes_compl = 0, pkts_compl = 0;

	int i;
@@ -1854,6 +1854,9 @@ static void mvneta_txq_bufs_free(struct mvneta_port *pp, 
			dev_kfree_skb_any(buf->skb);

		} else if (buf->type == MVNETA_TYPE_XDP_TX ||

			   buf->type == MVNETA_TYPE_XDP_NDO) {

			if (napi && buf->type == MVNETA_TYPE_XDP_TX)

				xdp_return_frame_rx_napi(buf->xdpf);

			else

				xdp_return_frame(buf->xdpf);

		}

	}
@@ -1872,7 +1875,7 @@ static void mvneta_txq_done(struct mvneta_port *pp, 
	if (!tx_done)

		return;



	mvneta_txq_bufs_free(pp, txq, tx_done, nq);

	mvneta_txq_bufs_free(pp, txq, tx_done, nq, true);



	txq->count -= tx_done;
@@ -2859,7 +2862,7 @@ static void mvneta_txq_done_force(struct mvneta_port *pp, 
	struct netdev_queue *nq = netdev_get_tx_queue(pp->dev, txq->id);

	int tx_done = txq->count;



	mvneta_txq_bufs_free(pp, txq, tx_done, nq);

	mvneta_txq_bufs_free(pp, txq, tx_done, nq, false);



	/* reset txq */

	txq->count = 0;