191 static inline bool net_dim_on_top(struct net_dim *dim)  in net_dim_on_top()  argument
193 	switch (dim->tune_state) {  in net_dim_on_top()
198 		return (dim->steps_left > 1) && (dim->steps_right == 1);  in net_dim_on_top()
200 		return (dim->steps_right > 1) && (dim->steps_left == 1);  in net_dim_on_top()
204 static inline void net_dim_turn(struct net_dim *dim)  in net_dim_turn()  argument
206 	switch (dim->tune_state) {  in net_dim_turn()
211 		dim->tune_state = NET_DIM_GOING_LEFT;  in net_dim_turn()
212 		dim->steps_left = 0;  in net_dim_turn()
215 		dim->tune_state = NET_DIM_GOING_RIGHT;  in net_dim_turn()
216 		dim->steps_right = 0;  in net_dim_turn()
221 static inline int net_dim_step(struct net_dim *dim)  in net_dim_step()  argument
223 	if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2))  in net_dim_step()
226 	switch (dim->tune_state) {  in net_dim_step()
231 		if (dim->profile_ix == (NET_DIM_PARAMS_NUM_PROFILES - 1))  in net_dim_step()
233 		dim->profile_ix++;  in net_dim_step()
234 		dim->steps_right++;  in net_dim_step()
237 		if (dim->profile_ix == 0)  in net_dim_step()
239 		dim->profile_ix--;  in net_dim_step()
240 		dim->steps_left++;  in net_dim_step()
244 	dim->tired++;  in net_dim_step()
248 static inline void net_dim_park_on_top(struct net_dim *dim)  in net_dim_park_on_top()  argument
250 	dim->steps_right  = 0;  in net_dim_park_on_top()
251 	dim->steps_left   = 0;  in net_dim_park_on_top()
252 	dim->tired        = 0;  in net_dim_park_on_top()
253 	dim->tune_state   = NET_DIM_PARKING_ON_TOP;  in net_dim_park_on_top()
256 static inline void net_dim_park_tired(struct net_dim *dim)  in net_dim_park_tired()  argument
258 	dim->steps_right  = 0;  in net_dim_park_tired()
259 	dim->steps_left   = 0;  in net_dim_park_tired()
260 	dim->tune_state   = NET_DIM_PARKING_TIRED;  in net_dim_park_tired()
263 static inline void net_dim_exit_parking(struct net_dim *dim)  in net_dim_exit_parking()  argument
265 	dim->tune_state = dim->profile_ix ? NET_DIM_GOING_LEFT :  in net_dim_exit_parking()
267 	net_dim_step(dim);  in net_dim_exit_parking()
303 				    struct net_dim *dim)  in net_dim_decision()  argument
305 	int prev_state = dim->tune_state;  in net_dim_decision()
306 	int prev_ix = dim->profile_ix;  in net_dim_decision()
310 	switch (dim->tune_state) {  in net_dim_decision()
312 		stats_res = net_dim_stats_compare(curr_stats, &dim->prev_stats);  in net_dim_decision()
314 			net_dim_exit_parking(dim);  in net_dim_decision()
318 		dim->tired--;  in net_dim_decision()
319 		if (!dim->tired)  in net_dim_decision()
320 			net_dim_exit_parking(dim);  in net_dim_decision()
325 		stats_res = net_dim_stats_compare(curr_stats, &dim->prev_stats);  in net_dim_decision()
327 			net_dim_turn(dim);  in net_dim_decision()
329 		if (net_dim_on_top(dim)) {  in net_dim_decision()
330 			net_dim_park_on_top(dim);  in net_dim_decision()
334 		step_res = net_dim_step(dim);  in net_dim_decision()
337 			net_dim_park_on_top(dim);  in net_dim_decision()
340 			net_dim_park_tired(dim);  in net_dim_decision()
348 	    (dim->tune_state != NET_DIM_PARKING_ON_TOP))  in net_dim_decision()
349 		dim->prev_stats = *curr_stats;  in net_dim_decision()
351 	return dim->profile_ix != prev_ix;  in net_dim_decision()
387 static inline void net_dim(struct net_dim *dim,  in net_dim()  argument
393 	switch (dim->state) {  in net_dim()
397 				  dim->start_sample.event_ctr);  in net_dim()
400 		net_dim_calc_stats(&dim->start_sample, &end_sample,  in net_dim()
402 		if (net_dim_decision(&curr_stats, dim)) {  in net_dim()
403 			dim->state = NET_DIM_APPLY_NEW_PROFILE;  in net_dim()
404 			schedule_work(&dim->work);  in net_dim()
410 			       &dim->start_sample);  in net_dim()
411 		dim->state = NET_DIM_MEASURE_IN_PROGRESS;  in net_dim()