Fix: loopback protection

[l2tpns.git] / cluster.h

diff --git a/cluster.h b/cluster.h
index 1fb2789..0581647 100644 (file)
--- a/cluster.h
+++ b/cluster.h
@@ -1,5 +1,5 @@
 // L2TPNS Clustering Stuff
-// $Id: cluster.h,v 1.8 2004-12-03 06:40:02 bodea Exp $
+// $Id: cluster.h,v 1.16 2006-12-04 20:54:51 bodea Exp $
 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__
@@ -14,13 +14,22 @@
 #define C_LASTSEEN             7       // Tell master the last heartbeat that I handled.
 #define C_KILL                 8       // Tell a slave to die.
 #define C_FORWARD              9       // Forwarded packet..
-#define C_BYTES                 10      // Update byte counters.
+#define C_BYTES                        10      // Update byte counters.
 #define C_THROTTLE             11      // A packet for the master to throttle. (The TBF tells direction).
 #define C_CSESSION             12      // Compressed session structure.
 #define C_CTUNNEL              13      // Compressed tunnel structure.
 #define C_GARDEN               14      // Gardened packet
-
-#define HB_VERSION             4       // Protocol version number..
+#define C_MASTER               15      // Tell a slave the address of the master.
+#define C_FORWARD_DAE          16      // A DAE packet for the master to handle
+#define C_BUNDLE               17      // Bundle structure.
+#define C_CBUNDLE              18      // Compressed bundle structure.
+#define C_MPPP_FORWARD 19      // MPPP Forwarded packet..
+
+#ifdef LAC
+#define HB_VERSION             7       // Protocol version number..
+#else
+#define HB_VERSION             6       // Protocol version number..
+#endif
 #define HB_MAX_SEQ             (1<<30) // Maximum sequence number. (MUST BE A POWER OF 2!)
 #define HB_HISTORY_SIZE                64      // How many old heartbeats we remember?? (Must be a factor of HB_MAX_SEQ)
 
@@ -34,46 +43,54 @@
 #define DEFAULT_MCAST_INTERFACE        "eth0"
 
 typedef struct {
-       u32     version;        // protocol version.
-       u32     seq;            // Sequence number for this heatbeat.
-       u32     basetime;       // What time I started
-       u32     clusterid;      // Id for this cluster?
+       uint32_t version;       // protocol version.
+       uint32_t seq;           // Sequence number for this heatbeat.
+       uint32_t basetime;      // What time I started
+       uint32_t clusterid;     // Id for this cluster?
 
-       u32     highsession;    // Id of the highest in-use session.
-       u32     freesession;    // Id of the first free session.
-       u32     hightunnel;     // Id of the highest used tunnel.
-       u32     size_sess;      // Size of the session structure.
+       uint32_t highsession;   // Id of the highest in-use session.
+       uint32_t freesession;   // Id of the first free session.
+       uint32_t highbundle;    // Id of the highest used bundle.
+       uint32_t hightunnel;    // Id of the highest used tunnel.
+       uint32_t size_sess;     // Size of the session structure.
 
-       u32     size_tunn;      // size of the tunnel structure.
-       u32     interval;       // ping/heartbeat interval
-       u32     timeout;        // heartbeat timeout
+       uint32_t size_bund;     // size of the bundle structure.
+       uint32_t size_tunn;     // size of the tunnel structure.
+       uint32_t interval;      // ping/heartbeat interval
+       uint32_t timeout;       // heartbeat timeout
 
-       u64     table_version;  // # state changes processed by cluster
+       uint64_t table_version; // # state changes processed by cluster
 
-       char reserved[128 - 13*sizeof(u32)];    // Pad out to 128 bytes.
+       char reserved[128 - 13*sizeof(uint32_t) - sizeof(uint64_t)];    // Pad out to 128 bytes.
 } heartt;
 
 typedef struct {               /* Used to update byte counters on the */
                                /* master. */
-       u32        sid;
-       u32        in;
-       u32        out;
+       uint32_t sid;
+       uint32_t pin;
+       uint32_t pout;
+       uint32_t cin;
+       uint32_t cout;
 } bytest;
 
 typedef struct {
-       u32     addr;           //
-       u32     ver;            // version of structure.
-       u32     undef;          // Number of undefined structures. 0 if up-to-date.
-       u32     basetime;       // start time of this peer.
+       in_addr_t addr;         // peer address
+       uint32_t ver;           // version of structure.
+       uint32_t undef;         // Number of undefined structures. 0 if up-to-date.
+       uint32_t basetime;      // start time of this peer.
 } pingt;
 
 int cluster_init(void);
-int processcluster(char *buf, int size, u32 addr);
+int processcluster(uint8_t *buf, int size, in_addr_t addr);
+int cluster_listinvert_session(int sidnew, int sidtodel);
 int cluster_send_session(int sid);
+int cluster_send_bundle(int bid);
 int cluster_send_tunnel(int tid);
-int master_forward_packet(char *data, int size, u32 addr, int port);
-int master_throttle_packet(int tid, char *data, int size);
-int master_garden_packet(sessionidt s, char *data, int size);
+int master_forward_packet(uint8_t *data, int size, in_addr_t addr, int port);
+int master_forward_dae_packet(uint8_t *data, int size, in_addr_t addr, int port);
+int master_throttle_packet(int tid, uint8_t *data, int size);
+int master_garden_packet(sessionidt s, uint8_t *data, int size);
+int master_forward_mppp_packet(sessionidt s, uint8_t *data, int size);
 void master_update_counts(void);
 void cluster_send_ping(time_t basetime);
 void cluster_heartbeat(void);