[PATCH v3 net-next 1/6] net: mvneta: Optimize rx path for small frame
From: Gregory CLEMENT <hidden>
Date: 2016-11-29 09:41:33
Also in:
lkml, netdev
Subsystem:
marvell mvneta ethernet driver, networking drivers, the rest · Maintainers:
Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
For small frame reuse the phys_addr variable instead of accessing the uncacheable value in the rx descriptor. Signed-off-by: Gregory CLEMENT <redacted> --- 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);
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