From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org, lorenzo.bianconi@redhat.com,
davem@davemloft.net, kuba@kernel.org, brouer@redhat.com,
ilias.apalodimas@linaro.org
Subject: [PATCH v3 net-next 5/5] net: mlx5: add xdp tx return bulking support
Date: Wed, 4 Nov 2020 11:22:58 +0100 [thread overview]
Message-ID: <b89c75506e8bf37654d279ee2cc630e34061edb8.1604484917.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1604484917.git.lorenzo@kernel.org>
Convert mlx5 driver to xdp_return_frame_bulk APIs.
XDP_REDIRECT (upstream codepath): 8.5Mpps
XDP_REDIRECT (upstream codepath + bulking APIs): 10.1Mpps
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index ae90d533a350..5fdfbf390d5c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -369,8 +369,10 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq,
bool recycle)
{
struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo;
+ struct xdp_frame_bulk bq;
u16 i;
+ bq.xa = NULL;
for (i = 0; i < wi->num_pkts; i++) {
struct mlx5e_xdp_info xdpi = mlx5e_xdpi_fifo_pop(xdpi_fifo);
@@ -379,7 +381,7 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq,
/* XDP_TX from the XSK RQ and XDP_REDIRECT */
dma_unmap_single(sq->pdev, xdpi.frame.dma_addr,
xdpi.frame.xdpf->len, DMA_TO_DEVICE);
- xdp_return_frame(xdpi.frame.xdpf);
+ xdp_return_frame_bulk(xdpi.frame.xdpf, &bq);
break;
case MLX5E_XDP_XMIT_MODE_PAGE:
/* XDP_TX from the regular RQ */
@@ -393,6 +395,7 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq,
WARN_ON_ONCE(true);
}
}
+ xdp_flush_frame_bulk(&bq);
}
bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
--
2.26.2
prev parent reply other threads:[~2020-11-04 10:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-04 10:22 [PATCH v3 net-next 0/5] xdp: introduce bulking for page_pool tx return path Lorenzo Bianconi
2020-11-04 10:22 ` [PATCH v3 net-next 1/5] net: xdp: introduce bulking for xdp " Lorenzo Bianconi
2020-11-04 11:11 ` Jesper Dangaard Brouer
2020-11-04 11:19 ` Lorenzo Bianconi
2020-11-04 12:28 ` Jesper Dangaard Brouer
2020-11-04 12:53 ` Lorenzo Bianconi
2020-11-04 10:22 ` [PATCH v3 net-next 2/5] net: page_pool: add bulk support for ptr_ring Lorenzo Bianconi
2020-11-04 12:24 ` Jesper Dangaard Brouer
2020-11-04 14:49 ` Lorenzo Bianconi
2020-11-04 10:22 ` [PATCH v3 net-next 3/5] net: mvneta: add xdp tx return bulking support Lorenzo Bianconi
2020-11-04 10:22 ` [PATCH v3 net-next 4/5] net: mvpp2: " Lorenzo Bianconi
2020-11-04 10:22 ` Lorenzo Bianconi [this message]
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