Ejemplo n.º 1
0
mi_node_t *
mi_tbl_add(EXTAP_DBG_PARM mi_node_t **root, u_int8_t *ip, u_int8_t *mac, int ipver)
{
	int		i, len = mi_ip_len(ipver);
	mi_node_t	*a;

	/*
	 * Non unicast addresses should not be added. Since the
	 * addresses being added come from ARP request/response
	 * (for IPv4), or Neighbor Discovery/Advertisement
	 * (for IPv6) packets, the input need not be validated.
	 */
	if ((a = mi_tbl_lkup2(*root, ip, ipver)) != NULL) {
		eadbg3("%s(%d): ignore dup " eamstr " for " eaistr "\n",
			f, l, eamac(mac), eaip(ip));
		return a;
	}

	for (i = 0; i < NUM_MITBL_ENTRIES; i++) {
		if (mi_node_is_free(&mi_tbl[i])) {
			OS_MEMCPY(mi_tbl[i].h_dest, mac, ETH_ALEN);
			OS_MEMCPY(mi_tbl[i].ip, ip, len);
			mi_tbl[i].ip_ver = ipver;
			mi_tbl[i].len = len;
			eadbg3("%s(%d): saving " eamstr " for " eaistr "\n",
				f, l, eamac(mac), eaip(ip));

			return &mi_tbl[i];
		}
	}

	eadbg3("%s(%d): cant save " eamstr " for " eaistr "\n",
		f, l, eamac(mac), eaip(ip));
	return NULL;
}
Ejemplo n.º 2
0
static inline void
mi_node_print(mi_node_t *n)
{
	printk(eamstr " ", eamac(n->h_dest));
	if (n->ip_ver == ATH_MITBL_IPV4) {
		printk(eaistr "\n", eaip(n->ip));
	} else {
		printk(eastr6 "\n", eaip6(n->ip));
	}
}
Ejemplo n.º 3
0
void
mi_tbl_del(EXTAP_DBG_PARM mi_node_t **root, u_int8_t *ip, int ipver)
{
	mi_node_t	*a = mi_tbl_lkup2(*root, ip, ipver);
	if (a) {
		mi_node_free(a);
		eadbg3("%s(%d): deleting " eamstr " for " eaistr "\n",
			f, l, eamac(a->h_dest), eaip(ip));
		return;
	}
	eadbg3("%s(%d): delete failed for " eaistr "\n", f, l, eaip(ip));
	return;
}