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

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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: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Bianconi
2020-09-25 16:09:11 +02:00
committed by David S. Miller
parent 35d37709f1
commit 632bb64f12
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/marvell/mvneta.c
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@@ -1831,7 +1831,7 @@ static struct mvneta_tx_queue *mvneta_tx_done_policy(struct mvneta_port *pp,
/* Free tx queue skbuffs */ /* Free tx queue skbuffs */
static void mvneta_txq_bufs_free(struct mvneta_port *pp, static void mvneta_txq_bufs_free(struct mvneta_port *pp,
struct mvneta_tx_queue *txq, int num, 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; unsigned int bytes_compl = 0, pkts_compl = 0;
int i; int i;
@@ -1854,7 +1854,10 @@ static void mvneta_txq_bufs_free(struct mvneta_port *pp,
dev_kfree_skb_any(buf->skb); dev_kfree_skb_any(buf->skb);
} else if (buf->type == MVNETA_TYPE_XDP_TX || } else if (buf->type == MVNETA_TYPE_XDP_TX ||
buf->type == MVNETA_TYPE_XDP_NDO) { buf->type == MVNETA_TYPE_XDP_NDO) {
xdp_return_frame(buf->xdpf); 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) if (!tx_done)
return; return;
mvneta_txq_bufs_free(pp, txq, tx_done, nq); mvneta_txq_bufs_free(pp, txq, tx_done, nq, true);
txq->count -= tx_done; 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); struct netdev_queue *nq = netdev_get_tx_queue(pp->dev, txq->id);
int tx_done = txq->count; 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 */ /* reset txq */
txq->count = 0; txq->count = 0;