[PATCH net-next] net: ethernet: microchip: lan743x: Increase rx ring size to improve rx performance
From: Yuiko Oshino <hidden>
Date: 2021-10-28 15:20:31
Subsystem:
microchip lan743x ethernet driver, networking drivers, the rest · Maintainers:
Bryan Whitehead, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Increase the rx ring size (LAN743X_RX_RING_SIZE) to improve rx performance on some platforms. Tested on x86 PC with EVB-LAN7430. The iperf3.7 TCPIP improved from 881 Mbps to 922 Mbps, and UDP improved from 817 Mbps to 936 Mbps. Signed-off-by: Yuiko Oshino <redacted> --- drivers/net/ethernet/microchip/lan743x_main.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 34c22eea0124..aaf7aaeaba0c 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h@@ -831,7 +831,7 @@ struct lan743x_rx_buffer_info { unsigned int buffer_length; }; -#define LAN743X_RX_RING_SIZE (65) +#define LAN743X_RX_RING_SIZE (128) #define RX_PROCESS_RESULT_NOTHING_TO_DO (0) #define RX_PROCESS_RESULT_BUFFER_RECEIVED (1)
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2.25.1