以太网 rx tx delay动态补丁测试

参考源码：x3399_nougat_industry 内核版本4.4 
diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
old mode 100644
new mode 100755
index 44a3c2d..530c248
--- a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1062,6 +1062,13 @@ static void rv1108_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
}
}

+void SET_RGMII(struct stmmac_priv *

以太网 rx tx delay动态补丁测试最先出现在Python成神之路。