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	*/			*/

	#ifndef _NETINET_CC_CUBIC_H_			#ifndef _NETINET_CC_CUBIC_H_
	#define _NETINET_CC_CUBIC_H_			#define _NETINET_CC_CUBIC_H_

	/* Number of bits of precision for fixed point math calcs. */			/* Number of bits of precision for fixed point math calcs. */
	#define CUBIC_SHIFT 8			#define CUBIC_SHIFT 8

				#define CUBIC_SCALE (1<<CUBIC_SHIFT)

	#define CUBIC_SHIFT_4 32			#define CUBIC_SHIFT_4 32

	/* 0.5 << CUBIC_SHIFT. */			/* 0.5 << CUBIC_SHIFT. */
	#define RENO_BETA 128			#define RENO_BETA 128

	/* ~0.8 << CUBIC_SHIFT. */			/* ~0.8 << CUBIC_SHIFT. */
	#define CUBIC_BETA 204			#define CUBIC_BETA 204

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	*/			*/
	static __inline unsigned long			static __inline unsigned long
	tf_cwnd(int ticks_since_cong, int rtt_ticks, unsigned long wmax,			tf_cwnd(int ticks_since_cong, int rtt_ticks, unsigned long wmax,
	uint32_t smss)			uint32_t smss)
	{			{

	/* Equation 4 of I-D. */			/* Equation 4 of I-D. */
	return (((wmax * CUBIC_BETA) + (((THREE_X_PT2 * ticks_since_cong *			return (((wmax * CUBIC_BETA) + (((THREE_X_PT2 * ticks_since_cong *
	smss) << CUBIC_SHIFT) / TWO_SUB_PT2 / rtt_ticks)) >> CUBIC_SHIFT);			smss) << CUBIC_SHIFT) / (TWO_SUB_PT2 * rtt_ticks))) >> CUBIC_SHIFT);
	}			}

	#endif /* _NETINET_CC_CUBIC_H_ */			#endif /* _NETINET_CC_CUBIC_H_ */