2  * @brief ARP related functions
21 #include "arp.h"
288 	 * an ARP request using the data in pending net_pkt.  in arp_prepare()
289 	 * This can happen if there is already a pending ARP  in arp_prepare()
382 					"send ARP request for %s",  in net_arp_prepare()
398 	 * to send any ARP packet.  in net_arp_prepare()
413 			/* There is a pending ARP request already, check if this packet is already  in net_arp_prepare()
419 				NET_DBG("Pending ARP request for %s, queuing pkt %p",  in net_arp_prepare()
432 			/* We cannot send the packet, the ARP cache is full  in net_arp_prepare()
436 			NET_DBG("Resending ARP %p", req);  in net_arp_prepare()
440 			/* Add the arp entry back to arp_free_entries, to avoid the  in net_arp_prepare()
441 			 * arp entry is leak due to ARP packet allocated failed.  in net_arp_prepare()
459 	NET_DBG("ARP using ll %s for IP %s",  in net_arp_prepare()
476 		NET_DBG("Gratuitous ARP hwaddr %s -> %s",  in arp_gratuitous()
524 	NET_DBG("Sending gratuitous ARP pkt %p", pkt);  in arp_gratuitous_send()
696 		 * net_if and second time in the ARP queue. We must not  in net_arp_update()
764 		NET_DBG("DROP: Invalid ARP header");  in arp_hdr_check()
781 		NET_DBG("Invalid ARP header (len %zu, min %zu bytes) %p",  in net_arp_input()
794 		/* If ARP request sender hw address is our address,  in net_arp_input()
820 		/* Discard ARP request if Ethernet address is broadcast  in net_arp_input()
838 		NET_DBG("ARP request from %s [%s] for %s",  in net_arp_input()
844 		/* Update the ARP cache if the sender MAC address has  in net_arp_input()
849 			NET_DBG("Updating ARP cache for %s [%s] iface %d",  in net_arp_input()
871 			NET_DBG("Cannot send ARP reply");  in net_arp_input()
900 	NET_DBG("Flushing ARP table");  in net_arp_clear_cache()
918 	NET_DBG("Flushing ARP pending requests");  in net_arp_clear_cache()