89 static void	vegas_ack_received(struct cc_var *ccv, ccsignal_t ack_type);
90 static void	vegas_cb_destroy(struct cc_var *ccv);
91 static int	vegas_cb_init(struct cc_var *ccv, void *ptr);
92 static void	vegas_cong_signal(struct cc_var *ccv, ccsignal_t signal_type);
93 static void	vegas_conn_init(struct cc_var *ccv);
127 vegas_ack_received(struct cc_var *ccv, ccsignal_t ack_type)  in vegas_ack_received()  argument
132 	uint32_t mss = tcp_fixed_maxseg(ccv->tp);  in vegas_ack_received()
134 	e_t = khelp_get_osd(&CCV(ccv, t_osd), ertt_id);  in vegas_ack_received()
135 	vegas_data = ccv->cc_data;  in vegas_ack_received()
146 				if (CCV(ccv, snd_cwnd) <=  in vegas_ack_received()
147 				    CCV(ccv, snd_ssthresh)) {  in vegas_ack_received()
153 					CCV(ccv, snd_cwnd) =  in vegas_ack_received()
154 					    min(CCV(ccv, snd_cwnd) + mss,  in vegas_ack_received()
155 					    TCP_MAXWIN << CCV(ccv, snd_scale));  in vegas_ack_received()
159 				vegas_cong_signal(ccv, CC_VEGAS_RATE);  in vegas_ack_received()
167 		newreno_cc_ack_received(ccv, ack_type);  in vegas_ack_received()
171 vegas_cb_destroy(struct cc_var *ccv)  in vegas_cb_destroy()  argument
173 	free(ccv->cc_data, M_CC_MEM);  in vegas_cb_destroy()
183 vegas_cb_init(struct cc_var *ccv, void *ptr)  in vegas_cb_init()  argument
187 	INP_WLOCK_ASSERT(tptoinpcb(ccv->tp));  in vegas_cb_init()
196 	ccv->cc_data = vegas_data;  in vegas_cb_init()
206 vegas_cong_signal(struct cc_var *ccv, ccsignal_t signal_type)  in vegas_cong_signal()  argument
210 	uint32_t mss = tcp_fixed_maxseg(ccv->tp);  in vegas_cong_signal()
212 	vegas_data = ccv->cc_data;  in vegas_cong_signal()
214 	if (IN_RECOVERY(CCV(ccv, t_flags)))  in vegas_cong_signal()
221 		if (!IN_RECOVERY(CCV(ccv, t_flags))) {  in vegas_cong_signal()
222 			CCV(ccv, snd_cwnd) = max(2 * mss,  in vegas_cong_signal()
223 			    CCV(ccv, snd_cwnd) - mss);  in vegas_cong_signal()
224 			if (CCV(ccv, snd_cwnd) < CCV(ccv, snd_ssthresh))  in vegas_cong_signal()
226 				CCV(ccv, snd_ssthresh) = CCV(ccv, snd_cwnd);  in vegas_cong_signal()
231 		newreno_cc_cong_signal(ccv, signal_type);  in vegas_cong_signal()
235 	if (IN_RECOVERY(CCV(ccv, t_flags)) && !presignalrecov)  in vegas_cong_signal()
237 		    (CCV(ccv, snd_cwnd) < CCV(ccv, snd_ssthresh)) ? 1 : 0;  in vegas_cong_signal()
241 vegas_conn_init(struct cc_var *ccv)  in vegas_conn_init()  argument
245 	vegas_data = ccv->cc_data;  in vegas_conn_init()