since IFF_DOWN is only used for request, not for status. Instead, IFF_UP should be used to query the netdev status. The IFF_DOWN related macros are also removed to avoid the confuse. Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
since IFF_DOWN is only used for request, not for status. Instead, IFF_UP should be used to query the netdev status. The IFF_DOWN related macros are also removed to avoid the confuse. Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>