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[PATCH v4 net-next 1/7] net: mvneta: Optimize rx path for small frame

From Gregory CLEMENT <gregory.clement@free-electrons.com>
Newsgroups linux.kernel
Subject [PATCH v4 net-next 1/7] net: mvneta: Optimize rx path for small frame
Date 2016-11-29 16:00 +0100
Message-ID <sIS31-1lb-51@gated-at.bofh.it> (permalink)
References <sIS2Z-1lb-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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For small frame reuse the phys_addr variable instead of accessing the
uncacheable value in the rx descriptor.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
 drivers/net/ethernet/marvell/mvneta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 87274d4ab102..1b84f746d748 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1918,7 +1918,7 @@ static int mvneta_rx_swbm(struct mvneta_port *pp, int rx_todo,
 				goto err_drop_frame;
 
 			dma_sync_single_range_for_cpu(dev->dev.parent,
-						      rx_desc->buf_phys_addr,
+						      phys_addr,
 						      MVNETA_MH_SIZE + NET_SKB_PAD,
 						      rx_bytes,
 						      DMA_FROM_DEVICE);
-- 
git-series 0.8.10

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Thread

[PATCH v4 net-next 0/7] Support Armada 37xx SoC (ARMv8 64-bits) in mvneta driver Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100
  [PATCH v4 net-next 6/7] net: mvneta: Add network support for Armada 3700 SoC Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100
  [PATCH v4 net-next 5/7] net: mvneta: Only disable mvneta_bm for 64-bits Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100
  [PATCH v4 net-next 3/7] net: mvneta: Use cacheable memory to store the rx buffer virtual address Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100
    Re: [PATCH v4 net-next 3/7] net: mvneta: Use cacheable memory to  store the rx buffer virtual address David Miller <davem@davemloft.net> - 2016-11-30 20:00 +0100
      Re: [PATCH v4 net-next 3/7] net: mvneta: Use cacheable memory to store the rx buffer virtual address Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-30 22:30 +0100
  [PATCH v4 net-next 7/7] ARM64: dts: marvell: Add network support for Armada 3700 Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100
  [PATCH v4 net-next 1/7] net: mvneta: Optimize rx path for small frame Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-11-29 16:00 +0100

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