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      1 #ifndef _TC_CORE_H_
      2 #define _TC_CORE_H_ 1
      3 
      4 #include <asm/types.h>
      5 #include <linux/pkt_sched.h>
      6 
      7 #define TIME_UNITS_PER_SEC	1000000
      8 
      9 enum link_layer {
     10 	LINKLAYER_UNSPEC,
     11 	LINKLAYER_ETHERNET,
     12 	LINKLAYER_ATM,
     13 };
     14 
     15 
     16 int  tc_core_time2big(unsigned time);
     17 unsigned tc_core_time2tick(unsigned time);
     18 unsigned tc_core_tick2time(unsigned tick);
     19 unsigned tc_core_time2ktime(unsigned time);
     20 unsigned tc_core_ktime2time(unsigned ktime);
     21 unsigned tc_calc_xmittime(unsigned rate, unsigned size);
     22 unsigned tc_calc_xmitsize(unsigned rate, unsigned ticks);
     23 int tc_calc_rtable(struct tc_ratespec *r, __u32 *rtab,
     24 		   int cell_log, unsigned mtu, enum link_layer link_layer);
     25 int tc_calc_size_table(struct tc_sizespec *s, __u16 **stab);
     26 
     27 int tc_setup_estimator(unsigned A, unsigned time_const, struct tc_estimator *est);
     28 
     29 int tc_core_init(void);
     30 
     31 extern struct rtnl_handle g_rth;
     32 extern int is_batch_mode;
     33 
     34 #endif
     35