128 	struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;  in nes_nic_init_timer_defaults()  local
132 	shared_timer->timer_in_use_min = NES_NIC_FAST_TIMER_LOW;  in nes_nic_init_timer_defaults()
133 	shared_timer->timer_in_use_max = NES_NIC_FAST_TIMER_HIGH;  in nes_nic_init_timer_defaults()
135 		shared_timer->threshold_low    = DEFAULT_JUMBO_NES_QL_LOW;  in nes_nic_init_timer_defaults()
136 		shared_timer->threshold_target = DEFAULT_JUMBO_NES_QL_TARGET;  in nes_nic_init_timer_defaults()
137 		shared_timer->threshold_high   = DEFAULT_JUMBO_NES_QL_HIGH;  in nes_nic_init_timer_defaults()
139 		shared_timer->threshold_low    = DEFAULT_NES_QL_LOW;  in nes_nic_init_timer_defaults()
140 		shared_timer->threshold_target = DEFAULT_NES_QL_TARGET;  in nes_nic_init_timer_defaults()
141 		shared_timer->threshold_high   = DEFAULT_NES_QL_HIGH;  in nes_nic_init_timer_defaults()
156 	struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;  in nes_nic_init_timer()  local
160 	if (shared_timer->timer_in_use_old == 0) {  in nes_nic_init_timer()
162 		shared_timer->timer_direction_upward = 0;  in nes_nic_init_timer()
163 		shared_timer->timer_direction_downward = 0;  in nes_nic_init_timer()
164 		shared_timer->timer_in_use = NES_NIC_FAST_TIMER;  in nes_nic_init_timer()
165 		shared_timer->timer_in_use_old = 0;  in nes_nic_init_timer()
168 	if (shared_timer->timer_in_use != shared_timer->timer_in_use_old) {  in nes_nic_init_timer()
169 		shared_timer->timer_in_use_old = shared_timer->timer_in_use;  in nes_nic_init_timer()
171 			0x80000000 | ((u32)(shared_timer->timer_in_use*8)));  in nes_nic_init_timer()
185 	struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;  in nes_nic_tune_timer()  local
190 	if (shared_timer->cq_count_old <= cq_count)  in nes_nic_tune_timer()
191 		shared_timer->cq_direction_downward = 0;  in nes_nic_tune_timer()
193 		shared_timer->cq_direction_downward++;  in nes_nic_tune_timer()
194 	shared_timer->cq_count_old = cq_count;  in nes_nic_tune_timer()
195 	if (shared_timer->cq_direction_downward > NES_NIC_CQ_DOWNWARD_TREND) {  in nes_nic_tune_timer()
196 		if (cq_count <= shared_timer->threshold_low &&  in nes_nic_tune_timer()
197 		    shared_timer->threshold_low > 4) {  in nes_nic_tune_timer()
198 			shared_timer->threshold_low = shared_timer->threshold_low/2;  in nes_nic_tune_timer()
199 			shared_timer->cq_direction_downward=0;  in nes_nic_tune_timer()
208 		if (cq_count <= shared_timer->threshold_low) {       /* increase timer gently */  in nes_nic_tune_timer()
209 			shared_timer->timer_direction_upward++;  in nes_nic_tune_timer()
210 			shared_timer->timer_direction_downward = 0;  in nes_nic_tune_timer()
211 		} else if (cq_count <= shared_timer->threshold_target) { /* balanced */  in nes_nic_tune_timer()
212 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
213 			shared_timer->timer_direction_downward = 0;  in nes_nic_tune_timer()
214 		} else if (cq_count <= shared_timer->threshold_high) {  /* decrease timer gently */  in nes_nic_tune_timer()
215 			shared_timer->timer_direction_downward++;  in nes_nic_tune_timer()
216 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
217 		} else if (cq_count <= (shared_timer->threshold_high) * 2) {  in nes_nic_tune_timer()
218 			shared_timer->timer_in_use -= 2;  in nes_nic_tune_timer()
219 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
220 			shared_timer->timer_direction_downward++;  in nes_nic_tune_timer()
222 			shared_timer->timer_in_use -= 4;  in nes_nic_tune_timer()
223 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
224 			shared_timer->timer_direction_downward++;  in nes_nic_tune_timer()
227 		if (shared_timer->timer_direction_upward > 3 ) {  /* using history */  in nes_nic_tune_timer()
228 			shared_timer->timer_in_use += 3;  in nes_nic_tune_timer()
229 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
230 			shared_timer->timer_direction_downward = 0;  in nes_nic_tune_timer()
232 		if (shared_timer->timer_direction_downward > 5) { /* using history */  in nes_nic_tune_timer()
233 			shared_timer->timer_in_use -= 4 ;  in nes_nic_tune_timer()
234 			shared_timer->timer_direction_downward = 0;  in nes_nic_tune_timer()
235 			shared_timer->timer_direction_upward = 0;  in nes_nic_tune_timer()
240 	if (shared_timer->timer_in_use > shared_timer->threshold_high)  in nes_nic_tune_timer()
241 		shared_timer->timer_in_use = shared_timer->threshold_high;  in nes_nic_tune_timer()
242 	else if (shared_timer->timer_in_use < shared_timer->threshold_low)  in nes_nic_tune_timer()
243 		shared_timer->timer_in_use = shared_timer->threshold_low;  in nes_nic_tune_timer()