49 	u32	alpha;		/* Additive increase */  member
72 	ca->alpha = ALPHA_MAX;  in tcp_illinois_init()
96 	/* ignore bogus values, this prevents wraparound in alpha math */  in tcp_illinois_acked()
128  * Compute value of alpha used for additive increase.
133  *    then use large alpha (10.0) to increase faster.
135  *    then use small alpha (0.3)
139 static u32 alpha(struct illinois *ca, u32 da, u32 dm)  in alpha()  function
148 		/* Wait for 5 good RTT's before allowing alpha to go alpha max.  in alpha()
152 			return ca->alpha;  in alpha()
173 	 * alpha = ----------  in alpha()
220 /* Update alpha and beta values once per RTT */
227 		ca->alpha = ALPHA_BASE;  in update_params()
233 		ca->alpha = alpha(ca, da, dm);  in update_params()
248 		ca->alpha = ALPHA_BASE;  in tcp_illinois_state()
283 		 * tp->snd_cwnd += alpha/tp->snd_cwnd  in tcp_illinois_cong_avoid()
285 		delta = (tp->snd_cwnd_cnt * ca->alpha) >> ALPHA_SHIFT;  in tcp_illinois_cong_avoid()