Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
1.move ARPHRD_ETHER to netinet/arp.h 1.move arp_entry_s to net/arp/arp.h 2.move arp_input to nuttx/net/netdev.h Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
align with other similar function(e.g. ipv4_input and ipv6_input) Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>