[PATCH net-next v2 3/7] net: mvneta: increase number of buffers in RX and TX queue
From: linux@armlinux.org.uk (Russell King - ARM Linux)
Date: 2018-07-13 19:17:51
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On Fri, Jul 13, 2018 at 06:18:37PM +0200, Gregory CLEMENT wrote:
From: Yelena Krivosheev <redacted> The initial values were too small leading to poor performance when using the software buffer management.
What does this do to latency when a large transfer is also ongoing (iow, the classic bufferbloat issue) ?
quoted hunk ↗ jump to hunk
Signed-off-by: Yelena Krivosheev <redacted> [gregory: extract from a larger patch] Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> --- drivers/net/ethernet/marvell/mvneta.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index f4e3943a745d..c22df28b07c8 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c@@ -295,10 +295,10 @@ #define MVNETA_RSS_LU_TABLE_SIZE 1 /* Max number of Rx descriptors */ -#define MVNETA_MAX_RXD 128 +#define MVNETA_MAX_RXD 512 /* Max number of Tx descriptors */ -#define MVNETA_MAX_TXD 532 +#define MVNETA_MAX_TXD 1024 /* Max number of allowed TCP segments for software TSO */ #define MVNETA_MAX_TSO_SEGS 100-- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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