104 static int net_dim_step(struct dim *dim)  in net_dim_step()  argument
106 	if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2))  in net_dim_step()
109 	switch (dim->tune_state) {  in net_dim_step()
114 		if (dim->profile_ix == (NET_DIM_PARAMS_NUM_PROFILES - 1))  in net_dim_step()
116 		dim->profile_ix++;  in net_dim_step()
117 		dim->steps_right++;  in net_dim_step()
120 		if (dim->profile_ix == 0)  in net_dim_step()
122 		dim->profile_ix--;  in net_dim_step()
123 		dim->steps_left++;  in net_dim_step()
127 	dim->tired++;  in net_dim_step()
131 static void net_dim_exit_parking(struct dim *dim)  in net_dim_exit_parking()  argument
133 	dim->tune_state = dim->profile_ix ? DIM_GOING_LEFT : DIM_GOING_RIGHT;  in net_dim_exit_parking()
134 	net_dim_step(dim);  in net_dim_exit_parking()
165 static bool net_dim_decision(struct dim_stats *curr_stats, struct dim *dim)  in net_dim_decision()  argument
167 	int prev_state = dim->tune_state;  in net_dim_decision()
168 	int prev_ix = dim->profile_ix;  in net_dim_decision()
172 	switch (dim->tune_state) {  in net_dim_decision()
175 						  &dim->prev_stats);  in net_dim_decision()
177 			net_dim_exit_parking(dim);  in net_dim_decision()
181 		dim->tired--;  in net_dim_decision()
182 		if (!dim->tired)  in net_dim_decision()
183 			net_dim_exit_parking(dim);  in net_dim_decision()
189 						  &dim->prev_stats);  in net_dim_decision()
191 			dim_turn(dim);  in net_dim_decision()
193 		if (dim_on_top(dim)) {  in net_dim_decision()
194 			dim_park_on_top(dim);  in net_dim_decision()
198 		step_res = net_dim_step(dim);  in net_dim_decision()
201 			dim_park_on_top(dim);  in net_dim_decision()
204 			dim_park_tired(dim);  in net_dim_decision()
212 	    dim->tune_state != DIM_PARKING_ON_TOP)  in net_dim_decision()
213 		dim->prev_stats = *curr_stats;  in net_dim_decision()
215 	return dim->profile_ix != prev_ix;  in net_dim_decision()
218 void net_dim(struct dim *dim, struct dim_sample end_sample)  in net_dim()  argument
223 	switch (dim->state) {  in net_dim()
227 				  dim->start_sample.event_ctr);  in net_dim()
230 		if (!dim_calc_stats(&dim->start_sample, &end_sample, &curr_stats))  in net_dim()
232 		if (net_dim_decision(&curr_stats, dim)) {  in net_dim()
233 			dim->state = DIM_APPLY_NEW_PROFILE;  in net_dim()
234 			schedule_work(&dim->work);  in net_dim()
240 				  end_sample.byte_ctr, &dim->start_sample);  in net_dim()
241 		dim->state = DIM_MEASURE_IN_PROGRESS;  in net_dim()