dhcp: Compute expire, T1 and T2 timers

[elogind.git] / src / libsystemd-dhcp / dhcp-protocol.h

diff --git a/src/libsystemd-dhcp/dhcp-protocol.h b/src/libsystemd-dhcp/dhcp-protocol.h
index d37546721a20e844f6bf998fc7dba7766d2705e2..1e59965dc0cd7a9ffcfb23258be3260db57cabe7 100644 (file)
--- a/src/libsystemd-dhcp/dhcp-protocol.h
+++ b/src/libsystemd-dhcp/dhcp-protocol.h
@@ -55,6 +55,15 @@ struct DHCPPacket {
 
 typedef struct DHCPPacket DHCPPacket;
 
+#define DHCP_IP_SIZE            (int32_t)(sizeof(struct iphdr))
+#define DHCP_IP_UDP_SIZE        (int32_t)(sizeof(struct udphdr) + DHCP_IP_SIZE)
+#define DHCP_MESSAGE_SIZE       (int32_t)(sizeof(DHCPMessage))
+
+enum {
+        DHCP_PORT_SERVER                        = 67,
+        DHCP_PORT_CLIENT                        = 68,
+};
+
 enum DHCPState {
         DHCP_STATE_INIT                         = 0,
         DHCP_STATE_SELECTING                    = 1,
@@ -97,8 +106,14 @@ enum {
         DHCP_OPTION_DOMAIN_NAME                 = 15,
         DHCP_OPTION_NTP_SERVER                  = 42,
         DHCP_OPTION_REQUESTED_IP_ADDRESS        = 50,
+        DHCP_OPTION_IP_ADDRESS_LEASE_TIME       = 51,
         DHCP_OPTION_OVERLOAD                    = 52,
         DHCP_OPTION_MESSAGE_TYPE                = 53,
+        DHCP_OPTION_SERVER_IDENTIFIER           = 54,
         DHCP_OPTION_PARAMETER_REQUEST_LIST      = 55,
+        DHCP_OPTION_MAXIMUM_MESSAGE_SIZE        = 57,
+        DHCP_OPTION_RENEWAL_T1_TIME             = 58,
+        DHCP_OPTION_REBINDING_T2_TIME           = 59,
+        DHCP_OPTION_CLIENT_IDENTIFIER           = 61,
         DHCP_OPTION_END                         = 255,
 };