add back in udhcp support

1 files changed, 23 insertions, 0 deletions

diff --git a/networking/udhcp/leases.h b/networking/udhcp/leases.h
new file mode 100644
index 000000000..b13fa72d3
--- /dev/null
+++ b/networking/udhcp/leases.h
@@ -0,0 +1,23 @@
+/* leases.h */
+#ifndef _LEASES_H
+#define _LEASES_H
+
+
+struct dhcpOfferedAddr {
+	uint8_t chaddr[16];
+	uint32_t yiaddr;	/* network order */
+	uint32_t expires;	/* host order */
+};
+
+extern uint8_t blank_chaddr[];
+
+void clear_lease(uint8_t *chaddr, uint32_t yiaddr);
+struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
+int lease_expired(struct dhcpOfferedAddr *lease);
+struct dhcpOfferedAddr *oldest_expired_lease(void);
+struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr);
+struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
+uint32_t find_address(int check_expired);
+
+
+#endif