normalise session, tunnel args

[l2tpns.git] / tbf.h

diff --git a/tbf.h b/tbf.h
index 3d98c1b..925e4f7 100644 (file)
--- a/tbf.h
+++ b/tbf.h
@@ -1,10 +1,42 @@
 #ifndef __TBF_H__
 #define __TBF_H__
 
-void init_tbf(void);
+// Need a time interval.
+
+#define TBF_MAX_QUEUE   2       // Maximum of 2 queued packet per
+#define TBF_MAX_SIZE    3000    // Maxiumum queued packet size is 2048.
+
+#define TBF_MAX_CREDIT  6000    // Maximum 6000 bytes of credit.
+#define TBF_RATE        360     // 360 bytes per 1/10th of a second.
+
+typedef struct {
+       int             credit;
+       int             lasttime;
+       int             queued;
+       int             oldest;         // Position of packet in the ring buffer.
+       sessionidt      sid;            // associated session ID.
+       int             max_credit;     // Maximum amount of credit available (burst size).
+       int             rate;           // How many bytes of credit per second we get? (sustained rate)
+       void            (*send)(sessionidt s, uint8_t *, int); // Routine to actually send out the data.
+       int             prev;           // Timer chain position.
+       int             next;           // Timer chain position.
+
+       uint32_t        b_queued;       // Total bytes sent through this TBF
+       uint32_t        b_sent;         // Total bytes sucessfully made it to the network.
+       uint32_t        p_queued;       // ditto packets.
+       uint32_t        p_sent;         // ditto packets.
+       uint32_t        b_dropped;      // Total bytes dropped.
+       uint32_t        p_dropped;      // Total packets dropped.
+       uint32_t        p_delayed;      // Total packets not sent immediately.
+
+       int             sizes[TBF_MAX_QUEUE];
+       uint8_t         packets[TBF_MAX_QUEUE][TBF_MAX_SIZE];
+} tbft;
+
+void init_tbf(int num_tbfs);
 int tbf_run_timer(void);
-int tbf_queue_packet(int tbf_id, char * data, int size);
-int new_tbf(int sid, int max_credit, int rate, void (*f)(sessionidt, u8 *, int));
+int tbf_queue_packet(int tbf_id, uint8_t * data, int size);
+int new_tbf(int sid, int max_credit, int rate, void (*f)(sessionidt, uint8_t *, int));
 int free_tbf(int tid);
 void fsck_tbfs(void);