indicate spare (struct padding) bytes

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 5c09dde..d7c29e0 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
-// $Id: l2tpns.h,v 1.92 2005/09/19 00:29:12 bodea Exp $
+// $Id: l2tpns.h,v 1.101 2005/12/05 13:56:12 bodea Exp $
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
@@ -15,7 +15,7 @@
 #include <sys/types.h>
 #include <libcli.h>
 
-#define VERSION        "2.1.8"
+#define VERSION        "2.1.13"
 
 // Limits
 #define MAXTUNNEL      500             // could be up to 65535
@@ -148,7 +148,14 @@ enum {
 
 // reset state machine counters
 #define initialise_restart_count(_s, _fsm)                     \
-       sess_local[_s]._fsm.conf_sent = sess_local[_s]._fsm.nak_sent
+       sess_local[_s]._fsm.conf_sent = sess_local[_s]._fsm.nak_sent = 0
+
+// increment ConfReq counter and reset timer
+#define restart_timer(_s, _fsm) ({                             \
+       sess_local[_s]._fsm.conf_sent++;                        \
+       sess_local[_s]._fsm.restart =                           \
+               time_now + config->ppp_restart_time;            \
+})
 
 // stop timer on change to state where timer does not run
 #define change_state(_s, _fsm, _new) ({                                \
@@ -221,15 +228,15 @@ 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;                  // session flags: see SESSION_*
        struct {
                uint8_t phase;          // PPP phase
                uint8_t lcp:4;          //   LCP    state
                uint8_t ipcp:4;         //   IPCP   state
                uint8_t ipv6cp:4;       //   IPV6CP state
                uint8_t ccp:4;          //   CCP    state
-               uint8_t pad;            // unused
        } ppp;
+       char pad[2];                    // unused
        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
@@ -307,10 +314,15 @@ typedef struct
 
        // interim RADIUS
        time_t last_interim;
+
+       // last LCP Echo
+       time_t last_echo;
 } sessionlocalt;
 
-#define        SESSIONPFC      1       // PFC negotiated flags
-#define        SESSIONACFC     2       // ACFC negotiated flags
+// session flags
+#define        SESSION_PFC     (1 << 0)        // use Protocol-Field-Compression
+#define        SESSION_ACFC    (1 << 1)        // use Address-and-Control-Field-Compression
+#define SESSION_STARTED        (1 << 2)        // RADIUS Start record sent
 
 // 168 bytes per tunnel
 typedef struct
@@ -323,7 +335,7 @@ typedef struct
        uint16_t ns;            // next send
        int state;              // current state (tunnelstate enum)
        clockt last;            // when last control message sent (used for resend timeout)
-       clockt retry;           // when to try resenting pending control
+       clockt retry;           // when to try resending pending control
        clockt die;             // being closed, when to finally free
        clockt lastrec;         // when the last control message was received
        char hostname[128];     // tunnel hostname