X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/ed90ea49e025e0c8083f9d98768d870e6a880f13..acbfc6a40aacdecc80d5946165b8ceb359691441:/tbf.h diff --git a/tbf.h b/tbf.h index 3d98c1b..925e4f7 100644 --- 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);