if (tp->snd_cwnd <= tp->snd_ssthresh) { /* In "safe" area, increase. */ if (tp->snd_cwnd < tp->snd_cwnd_clamp) tp->snd_cwnd++; } else { 
if (tp->snd_cwnd <= tp->snd_ssthresh) tcp_slow_start(tp); else {  
static void htcp_cong_avoid(struct sock *sk, u32 ack, u32 rtt,			    u32 in_flight, int data_acked){	struct tcp_sock *tp = tcp_sk(sk);	struct htcp *ca = inet_csk_ca(sk);	if (!tcp_is_cwnd_limited(sk, in_flight))		return;        if (tp->snd_cwnd <= tp->snd_ssthresh) {                /* In "safe" area, increase. */		if (tp->snd_cwnd < tp->snd_cwnd_clamp)			tp->snd_cwnd++;	} else {		measure_rtt(sk);		/* keep track of number of round-trip times since last backoff event */		if (ca->snd_cwnd_cnt2++ > tp->snd_cwnd) {			ca->ccount++;			ca->snd_cwnd_cnt2 = 0;			htcp_alpha_update(ca);		}                /* In dangerous area, increase slowly.		 * In theory this is tp->snd_cwnd += alpha / tp->snd_cwnd		 */		if ((tp->snd_cwnd_cnt++ * ca->alpha)>>7 >= tp->snd_cwnd) {			if (tp->snd_cwnd < tp->snd_cwnd_clamp)				tp->snd_cwnd++;			tp->snd_cwnd_cnt = 0;			ca->ccount++;		}	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/7faffa1c7fb9b8e8917e3225d4e2638270c0a48b/tcp_htcp.c/buggy/net/ipv4/tcp_htcp.c