From: Lorenzo Bianconi <lorenzo@kernel•org>
To: netdev@vger•kernel.org
Cc: lorenzo.bianconi@redhat•com, davem@davemloft•net,
thomas.petazzoni@bootlin•com, brouer@redhat•com,
ilias.apalodimas@linaro•org, matteo.croce@redhat•com
Subject: [PATCH net-next 0/3] add DMA sync capability to page_pool API
Date: Sun, 10 Nov 2019 14:09:07 +0200 [thread overview]
Message-ID: <cover.1573383212.git.lorenzo@kernel.org> (raw)
Introduce the possibility to sync DMA memory in the page_pool API for
non-coherent devices. This feature allows to sync proper DMA size and
not always full buffer (dma_sync_single_for_device can be very costly).
Relying on page_pool DMA sync mvneta driver improves XDP_DROP pps of
about 180Kpps:
- XDP_DROP DMA sync managed by mvneta driver: ~420Kpps
- XDP_DROP DMA sync managed by page_pool API: ~595Kpps
Lorenzo Bianconi (3):
net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp
net: page_pool: add the possibility sync dma memory for non-coherent
devices
net: mvneta: get rid of huge dma sync in mvneta_rx_refill
drivers/net/ethernet/marvell/mvneta.c | 23 ++++++++++------
include/net/page_pool.h | 11 +++++---
net/core/page_pool.c | 39 ++++++++++++++++++++++-----
3 files changed, 55 insertions(+), 18 deletions(-)
--
2.21.0
next reply other threads:[~2019-11-10 12:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-10 12:09 Lorenzo Bianconi [this message]
2019-11-10 12:09 ` [PATCH net-next 1/3] net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp Lorenzo Bianconi
2019-11-10 12:09 ` [PATCH net-next 2/3] net: page_pool: add the possibility to sync DMA memory for non-coherent devices Lorenzo Bianconi
2019-11-11 16:48 ` Jesper Dangaard Brouer
2019-11-11 19:11 ` Lorenzo Bianconi
2019-11-13 8:29 ` Jesper Dangaard Brouer
2019-11-14 18:48 ` Jonathan Lemon
2019-11-14 18:53 ` Ilias Apalodimas
2019-11-14 20:27 ` Jonathan Lemon
2019-11-14 20:42 ` Ilias Apalodimas
2019-11-14 21:04 ` Jonathan Lemon
2019-11-14 21:43 ` Jesper Dangaard Brouer
2019-11-15 7:05 ` Ilias Apalodimas
2019-11-15 7:49 ` Lorenzo Bianconi
2019-11-15 8:03 ` Ilias Apalodimas
2019-11-15 16:47 ` Jonathan Lemon
2019-11-15 16:53 ` Lorenzo Bianconi
2019-11-15 7:17 ` Ilias Apalodimas
2019-11-10 12:09 ` [PATCH net-next 3/3] net: mvneta: get rid of huge DMA sync in mvneta_rx_refill Lorenzo Bianconi
2019-11-14 18:14 ` Jonathan Lemon
2019-11-14 18:18 ` Ilias Apalodimas
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