From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
lorenzo.bianconi@redhat.com, brouer@redhat.com,
ilias.apalodimas@linaro.org
Subject: [PATCH v5 net-nex 4/5] net: mvpp2: add xdp tx return bulking support
Date: Tue, 10 Nov 2020 16:37:59 +0100 [thread overview]
Message-ID: <46c77bc9ae56f7dd5c9ae047b78ed54ac9e3b42a.1605020963.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1605020963.git.lorenzo@kernel.org>
Convert mvpp2 driver to xdp_return_frame_bulk APIs.
XDP_REDIRECT (upstream codepath): 1.79Mpps
XDP_REDIRECT (upstream codepath + bulking APIs): 1.93Mpps
Tested-by: Matteo Croce <mcroce@microsoft.com>
Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index f6616c8933ca..3069e192d773 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -2440,8 +2440,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
struct mvpp2_tx_queue *txq,
struct mvpp2_txq_pcpu *txq_pcpu, int num)
{
+ struct xdp_frame_bulk bq;
int i;
+ xdp_frame_bulk_init(&bq);
+
+ rcu_read_lock(); /* need for xdp_return_frame_bulk */
+
for (i = 0; i < num; i++) {
struct mvpp2_txq_pcpu_buf *tx_buf =
txq_pcpu->buffs + txq_pcpu->txq_get_index;
@@ -2454,10 +2459,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
dev_kfree_skb_any(tx_buf->skb);
else if (tx_buf->type == MVPP2_TYPE_XDP_TX ||
tx_buf->type == MVPP2_TYPE_XDP_NDO)
- xdp_return_frame(tx_buf->xdpf);
+ xdp_return_frame_bulk(tx_buf->xdpf, &bq);
mvpp2_txq_inc_get(txq_pcpu);
}
+ xdp_flush_frame_bulk(&bq);
+
+ rcu_read_unlock();
}
static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,
--
2.26.2
next prev parent reply other threads:[~2020-11-10 15:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 15:37 [PATCH v5 net-nex 0/5] xdp: introduce bulking for page_pool tx return path Lorenzo Bianconi
2020-11-10 15:37 ` [PATCH v5 net-nex 1/5] net: xdp: introduce bulking for xdp " Lorenzo Bianconi
2020-11-10 15:37 ` [PATCH v5 net-nex 2/5] net: page_pool: add bulk support for ptr_ring Lorenzo Bianconi
2020-11-11 9:29 ` John Fastabend
2020-11-11 10:43 ` Lorenzo Bianconi
2020-11-11 12:59 ` Jesper Dangaard Brouer
2020-11-10 15:37 ` [PATCH v5 net-nex 3/5] net: mvneta: add xdp tx return bulking support Lorenzo Bianconi
2020-11-10 15:37 ` Lorenzo Bianconi [this message]
2020-11-10 15:38 ` [PATCH v5 net-nex 5/5] net: mlx5: " Lorenzo Bianconi
2020-11-10 16:19 ` Jesper Dangaard Brouer
2020-11-10 15:50 ` [PATCH v5 net-nex 0/5] xdp: introduce bulking for page_pool tx return path Jesper Dangaard Brouer
2020-11-10 15:56 ` Lorenzo Bianconi
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