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1、解决do_pollfd函数中处理底层网络设备返回错误-1的情况，返回-1时select函数也要返回-1 …

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2、网卡设备调用关闭dhcp时，底层要调用dhcp_stop函数来关闭dhcp功能，打开时再调用dhcp_start，否则再次打开dhcp时无法获取ip地址或者出现在使用静态ip地址会在dhcp租约到期时自动再获取ip地址。
3、sal_socket.c程序中的sal_accept函数增加判断网卡up,down的功能
4、修改注释信息
This commit is contained in:
longtengmcu
2020-05-21 22:05:38 +08:00
parent 63950c9259
commit d75f03e4b0
3 changed files with 12 additions and 12 deletions
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18
components/net/lwip-2.0.2/src/netif/ethernetif.c
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@@ -165,15 +165,15 @@ static int lwip_netdev_set_dhcp(struct netdev *netif, rt_bool_t is_enabled)
{
netdev_low_level_set_dhcp_status(netif, is_enabled);
/*zhaoshimin 20200508 add dhcp start or stop must call dhcp_start and dhcp_stop function*/
if(is_enabled == RT_TRUE)
{
dhcp_start((struct netif *)netif->user_data);
}
else
{
dhcp_stop((struct netif *)netif->user_data);
}
/*add dhcp start or stop must call dhcp_start and dhcp_stop function*/
if(is_enabled == RT_TRUE)
{
dhcp_start((struct netif *)netif->user_data);
}
else
{
dhcp_stop((struct netif *)netif->user_data);
}
return ERR_OK;
}
#endif /* RT_LWIP_DHCP */