Messages in this thread | | | Date | Fri, 13 Jul 2018 20:17:20 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH net-next v2 3/7] net: mvneta: increase number of buffers in RX and TX queue |
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On Fri, Jul 13, 2018 at 06:18:37PM +0200, Gregory CLEMENT wrote: > From: Yelena Krivosheev <yelena@marvell.com> > > 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) ?
> > Signed-off-by: Yelena Krivosheev <yelena@marvell.com> > [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@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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