Fixed configuration to improve the speed of TCP RX. Before: # iperf3 -s ----------------------------------------------------------- Server listening on 5201 (test #1) ----------------------------------------------------------- Accepted connection from 192.168.1.4, port 47604 [ 5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47612 [ ID] Interval Transfer Bitrate [ 5] 0.00-1.00 sec 36.3 MBytes 305 Mbits/sec [ 5] 1.00-2.00 sec 35.6 MBytes 299 Mbits/sec [ 5] 2.00-3.00 sec 36.5 MBytes 306 Mbits/sec [ 5] 3.00-4.00 sec 36.5 MBytes 306 Mbits/sec [ 5] 4.00-5.00 sec 35.7 MBytes 300 Mbits/sec [ 5] 5.00-6.00 sec 35.4 MBytes 297 Mbits/sec [ 5] 6.00-7.00 sec 37.1 MBytes 311 Mbits/sec [ 5] 7.00-8.00 sec 35.6 MBytes 298 Mbits/sec [ 5] 8.00-9.00 sec 36.4 MBytes 305 Mbits/sec [ 5] 9.00-10.00 sec 36.3 MBytes 304 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate [ 5] 0.00-10.00 sec 361 MBytes 303 Mbits/sec receiver After: # iperf3 -s ----------------------------------------------------------- Server listening on 5201 (test #1) ----------------------------------------------------------- Accepted connection from 192.168.1.4, port 47710 [ 5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47720 [ ID] Interval Transfer Bitrate [ 5] 0.00-1.00 sec 111 MBytes 932 Mbits/sec [ 5] 1.00-2.00 sec 111 MBytes 934 Mbits/sec [ 5] 2.00-3.00 sec 111 MBytes 934 Mbits/sec [ 5] 3.00-4.00 sec 111 MBytes 934 Mbits/sec [ 5] 4.00-5.00 sec 111 MBytes 934 Mbits/sec [ 5] 5.00-6.00 sec 111 MBytes 935 Mbits/sec [ 5] 6.00-7.00 sec 111 MBytes 934 Mbits/sec [ 5] 7.00-8.00 sec 111 MBytes 935 Mbits/sec [ 5] 8.00-9.00 sec 111 MBytes 934 Mbits/sec [ 5] 9.00-10.00 sec 111 MBytes 934 Mbits/sec [ 5] 10.00-10.00 sec 167 KBytes 933 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate [ 5] 0.00-10.00 sec 1.09 GBytes 934 Mbits/sec receiver Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx> Signed-off-by: Samin Guo <samin.guo@xxxxxxxxxxxxxxxx> --- arch/riscv/boot/dts/starfive/jh7110.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index a608433200e8..76884cf373bf 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -318,8 +318,8 @@ stmmac_axi_setup: stmmac-axi-config { snps,lpi_en; - snps,wr_osr_lmt = <4>; - snps,rd_osr_lmt = <4>; + snps,wr_osr_lmt = <0xf>; + snps,rd_osr_lmt = <0xf>; snps,blen = <256 128 64 32 0 0 0>; }; @@ -839,7 +839,7 @@ rx-fifo-depth = <2048>; tx-fifo-depth = <2048>; snps,multicast-filter-bins = <64>; - snps,perfect-filter-entries = <8>; + snps,perfect-filter-entries = <256>; snps,fixed-burst; snps,no-pbl-x8; snps,force_thresh_dma_mode; @@ -870,7 +870,7 @@ rx-fifo-depth = <2048>; tx-fifo-depth = <2048>; snps,multicast-filter-bins = <64>; - snps,perfect-filter-entries = <8>; + snps,perfect-filter-entries = <256>; snps,fixed-burst; snps,no-pbl-x8; snps,force_thresh_dma_mode; -- 2.17.1