Embedded TCP/IP stack
4.7.0
|
void fnet_arp_send_request | ( | fnet_netif_desc_t | netif_desc, |
fnet_ip4_addr_t | ip_addr | ||
) |
Sends ARP request.
[in] | netif_desc | Network interface descriptor. |
[in] | ip_addr | Target protocol address. |
This function sends a broadcast ARP message, requesting an answer for ipaddr
.
It can be used for ARP probing of IPv4 address before beginning to use.
Also, it can be used for a gratuitous ARP message when sender's IP address or MAC address has changed.