session structure has changed: bump heartbeat version and convert old format heartbeats

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 6ee0bb9..77936b3 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
-// $Id: l2tpns.h,v 1.64 2005/04/18 05:32:16 bodea Exp $
+// $Id: l2tpns.h,v 1.68 2005/05/08 07:13:56 bodea Exp $
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
@@ -43,6 +43,7 @@
 #define ECHO_TIMEOUT   60              // Time between last packet sent and LCP ECHO generation
 #define IDLE_TIMEOUT   240             // Time between last packet sent and LCP ECHO generation
 #define BUSY_WAIT_TIME 3000            // 5 minutes in 1/10th seconds to wait for radius to cleanup on shutdown
+#define DEFAULT_MRU    1458            // maximum packet size to avoid fragmentation when LNS ethernet MTU is 1500
 
 // Constants
 #ifndef ETCDIR
@@ -164,6 +165,8 @@ typedef struct
        sessionidt next;                // next session in linked list
        sessionidt far;                 // far end session ID
        tunnelidt tunnel;               // near end tunnel ID
+       uint8_t l2tp_flags;             // various bit flags from the ICCN on the l2tp tunnel.
+       uint8_t flags;                  // Various session flags.
        in_addr_t ip;                   // IP of session set by RADIUS response (host byte order).
        int ip_pool_index;              // index to IP pool
        uint32_t unique_id;             // unique session id
@@ -176,20 +179,18 @@ typedef struct
        uint32_t total_cout;            // This counter is never reset while a session is open
        uint16_t throttle_in;           // upstream throttle rate (kbps)
        uint16_t throttle_out;          // downstream throttle rate
+       uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)
+       uint8_t filter_out;             // output filter index
+       uint16_t mru;                   // maximum receive unit
        clockt opened;                  // when started
        clockt die;                     // being closed, when to finally free
        time_t last_packet;             // Last packet from the user (used for idle timeouts)
        in_addr_t dns1, dns2;           // DNS servers
        routet route[MAXROUTE];         // static routes
-       uint16_t radius;                // which radius session is being used (0 for not waiting on authentication)
-       uint16_t mru;                   // maximum receive unit
        uint16_t tbf_in;                // filter bucket for throttling in from the user.
        uint16_t tbf_out;               // filter bucket for throttling out to the user.
-       uint8_t l2tp_flags;             // various bit flags from the ICCN on the l2tp tunnel.
-       uint32_t flags;                 // Various session flags.
-       uint8_t walled_garden;          // is this session gardened?
-       char random_vector[MAXTEL];
        int random_vector_length;
+       char random_vector[MAXTEL];
        char user[MAXUSER];             // user (needed in seesion for radius stop messages)
        char called[MAXTEL];            // called number
        char calling[MAXTEL];           // calling number
@@ -197,11 +198,10 @@ typedef struct
        uint32_t rx_connect_speed;
        in_addr_t snoop_ip;             // Interception destination IP
        uint16_t snoop_port;            // Interception destination port
-       uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)
-       uint8_t filter_out;             // output filter index
-       struct in6_addr ipv6route;      // Static IPv6 route
+       uint8_t walled_garden;          // is this session gardened?
        uint8_t ipv6prefixlen;          // IPv6 route prefix length
-       char reserved[1];               // Space to expand structure without changing HB_VERSION
+       struct in6_addr ipv6route;      // Static IPv6 route
+       char reserved[24];              // Space to expand structure without changing HB_VERSION
 }
 sessiont;
 
@@ -225,6 +225,12 @@ typedef struct
        clockt last_packet_out;
        uint32_t packets_out;
        uint32_t packets_dropped;
+
+       // RADIUS session in use
+       uint16_t radius;
+
+       // interim RADIUS
+       time_t last_interim;
 } sessionlocalt;
 
 #define        SESSIONPFC      1       // PFC negotiated flags
@@ -313,8 +319,8 @@ enum
        RADIUSIPCP,             // sending IPCP to end user
        RADIUSSTART,            // sending start accounting to RADIUS server
        RADIUSSTOP,             // sending stop accounting to RADIUS server
+       RADIUSINTERIM,          // sending interim accounting to RADIUS server
        RADIUSWAIT,             // waiting timeout before available, in case delayed replies
-       RADIUSDEAD,             // errored while talking to radius server.
 };
 
 struct Tstats
@@ -442,6 +448,7 @@ typedef struct
 
        char            radiussecret[64];
        int             radius_accounting;
+       int             radius_interim;
        in_addr_t       radiusserver[MAXRADSERVER];     // radius servers
        uint16_t        radiusport[MAXRADSERVER];       // radius base ports
        uint8_t         numradiusservers;               // radius server count
@@ -582,7 +589,7 @@ void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void sendchap(tunnelidt t, sessionidt s);
 uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionidt s, uint16_t mtype);
-void initlcp(tunnelidt t, sessionidt s);
+void sendlcp(tunnelidt t, sessionidt s, int authtype);
 void send_ipin(sessionidt s, uint8_t *buf, int len);