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Imported Upstream version 2.1.21

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Benjamin Cama 2011-07-07 12:45:05 +02:00
commit f2a3180cc0
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tbf.h Normal file
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#ifndef __TBF_H__
#define __TBF_H__
// 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, 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);
int cmd_show_tbf(struct cli_def *cli, char *command, char **argv, int argc);
#endif /* __TBF_H__ */