1 /* vi: set sw=4 ts=4: */
3 * static_leases.c -- Couple of functions to assist with storing and
4 * retrieving data for static leases
6 * Wade Berrier <wberrier@myrealbox.com> September 2004
8 * Licensed under GPLv2, see file LICENSE in this tarball for details.
15 /* Takes the address of the pointer to the static_leases linked list,
16 * address to a 6 byte mac address,
17 * 4 byte IP address */
18 void FAST_FUNC add_static_lease(struct static_lease **st_lease_pp,
22 struct static_lease *st_lease;
24 /* Find the tail of the list */
25 while ((st_lease = *st_lease_pp) != NULL) {
26 st_lease_pp = &st_lease->next;
30 *st_lease_pp = st_lease = xzalloc(sizeof(*st_lease));
31 memcpy(st_lease->mac, mac, 6);
33 /*st_lease->next = NULL;*/
36 /* Find static lease IP by mac */
37 uint32_t FAST_FUNC get_static_nip_by_mac(struct static_lease *st_lease, void *mac)
40 if (memcmp(st_lease->mac, mac, 6) == 0)
42 st_lease = st_lease->next;
48 /* Check to see if an IP is reserved as a static IP */
49 int FAST_FUNC is_nip_reserved(struct static_lease *st_lease, uint32_t nip)
52 if (st_lease->nip == nip)
54 st_lease = st_lease->next;
60 #if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 2
61 /* Print out static leases just to check what's going on */
62 /* Takes the address of the pointer to the static_leases linked list */
63 void FAST_FUNC log_static_leases(struct static_lease **st_lease_pp)
65 struct static_lease *cur;
72 bb_info_msg("static lease: mac:%02x:%02x:%02x:%02x:%02x:%02x nip:%x",
73 cur->mac[0], cur->mac[1], cur->mac[2],
74 cur->mac[3], cur->mac[4], cur->mac[5],