[components] [lwip]重新提交 : ping超时计算bug (#7545)

函数的输入超时参数的单位是ms, 系统接口无论1.x版本还是2.x, 最终都会将毫秒时间再去转一次tick, 用于rtthread邮件接收超时. 所以此处直接按原值进行转换,不需要加入对RT_TICK_PER_SECOND的转换

components/net/lwip/port/ethernetif.c

@@ -208,9 +208,9 @@ int lwip_netdev_ping(struct netdev *netif, const char *host, size_t data_len,
     int elapsed_time;
     rt_tick_t recv_start_tick;
 #if LWIP_VERSION_MAJOR == 1U /* v1.x */
-    int recv_timeout = timeout * 1000UL / RT_TICK_PER_SECOND;
+    int recv_timeout = timeout;
 #else /* >= v2.x */
-    struct timeval recv_timeout = { timeout / RT_TICK_PER_SECOND, timeout % RT_TICK_PER_SECOND };
+    struct timeval recv_timeout = { timeout / 1000UL, timeout % 1000UL * 1000 };
 #endif
     ip_addr_t target_addr;
     struct addrinfo hint, *res = RT_NULL;