On Thu, 2010-09-30 at 15:28 +0200, ext Ido Yariv wrote: > The WL1271 HW supports sending and receiving multiple packets within > a single transaction. This can substantially reduce CPU usage and > increase network throughput. > > The following patches add support for RX and TX packet aggregation. > An opportunistic approach was taken - all packets that are currently > available for sending/receiving are aggregated and transferred > in a single transaction. > > On SPI platforms, tests done by Juuso Oikarinen have shown a 20% improvement > in CPU usage. > On SDIO platforms, some tests have shown an improvement of over 30% in CPU > usage. > > Changes since v2: > Fix debug output in the SPI callbacks. > > Changes since v1: > The SPI callbacks do not handle large transfers well. The first patch fixes > this by fragmenting large transfers into smaller ones. > > Thanks Juuso Oikarinen for reporting the SPI issue and helping with testing > and benchmarking these optimizations. > > Ido Yariv (3): > wl1271: Handle large SPI transfers > wl1271: Support firmware RX packet aggregation > wl1271: Support firmware TX packet aggregation > > drivers/net/wireless/wl12xx/wl1271.h | 5 + > drivers/net/wireless/wl12xx/wl1271_main.c | 15 +++- > drivers/net/wireless/wl12xx/wl1271_rx.c | 63 ++++++++++---- > drivers/net/wireless/wl12xx/wl1271_spi.c | 140 ++++++++++++++++++----------- > drivers/net/wireless/wl12xx/wl1271_tx.c | 99 ++++++++------------- > 5 files changed, 189 insertions(+), 133 deletions(-) > Thanks, applied to the wl12xx tree, master branch. -- Cheers, Luca. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
