On 30.01.2018 18:14, Rosen Penev wrote:
Based on Qualcomm's upstream code. Reordered a bit different.iperf3 speed goes from ~279mbps to ~320mbps. Signed-off-by: Rosen Penev <ros...@gmail.com> --- .../files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h index a712812..d181240 100644 --- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h @@ -106,13 +106,16 @@ struct ag71xx_buf { };struct ag71xx_ring {- struct ag71xx_buf *buf; - u8 *descs_cpu; - dma_addr_t descs_dma; - u16 desc_split; - u16 order; + /* "Hot" fields in the data path. */ unsigned int curr; unsigned int dirty; + + /* "Cold" fields - not used in the data path. */ + struct ag71xx_buf *buf; + u16 order; + u16 desc_split; + dma_addr_t descs_dma; + u8 *descs_cpu; };struct ag71xx_mdio {
I can confirm that this one gives a nice performance boost ! Regards _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
