118 size_t i2400mu_rx_size_grow(struct i2400mu *i2400mu)  in i2400mu_rx_size_grow()  argument
120 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rx_size_grow()
124 	rx_size = 2 * i2400mu->rx_size;  in i2400mu_rx_size_grow()
130 			 rx_size, i2400mu->rx_size);  in i2400mu_rx_size_grow()
134 			 rx_size, i2400mu->rx_size);  in i2400mu_rx_size_grow()
140 void i2400mu_rx_size_maybe_shrink(struct i2400mu *i2400mu)  in i2400mu_rx_size_maybe_shrink()  argument
143 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rx_size_maybe_shrink()
145 	if (unlikely(i2400mu->rx_size_cnt >= 100  in i2400mu_rx_size_maybe_shrink()
146 		     && i2400mu->rx_size_auto_shrink)) {  in i2400mu_rx_size_maybe_shrink()
148 			i2400mu->rx_size_acc / i2400mu->rx_size_cnt;  in i2400mu_rx_size_maybe_shrink()
149 		size_t new_rx_size = i2400mu->rx_size / 2;  in i2400mu_rx_size_maybe_shrink()
156 					 new_rx_size, i2400mu->rx_size);  in i2400mu_rx_size_maybe_shrink()
161 					 new_rx_size, i2400mu->rx_size);  in i2400mu_rx_size_maybe_shrink()
162 			i2400mu->rx_size = new_rx_size;  in i2400mu_rx_size_maybe_shrink()
163 			i2400mu->rx_size_cnt = 0;  in i2400mu_rx_size_maybe_shrink()
164 			i2400mu->rx_size_acc = i2400mu->rx_size;  in i2400mu_rx_size_maybe_shrink()
192 struct sk_buff *i2400mu_rx(struct i2400mu *i2400mu, struct sk_buff *rx_skb)  in i2400mu_rx()  argument
195 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rx()
200 	d_fnstart(4, dev, "(i2400mu %p)\n", i2400mu);  in i2400mu_rx()
201 	do_autopm = atomic_read(&i2400mu->do_autopm);  in i2400mu_rx()
203 		usb_autopm_get_interface(i2400mu->usb_iface) : 0;  in i2400mu_rx()
208 	epd = usb_get_epd(i2400mu->usb_iface, i2400mu->endpoint_cfg.bulk_in);  in i2400mu_rx()
209 	usb_pipe = usb_rcvbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);  in i2400mu_rx()
217 		i2400mu->usb_dev, usb_pipe, rx_skb->data + rx_skb->len,  in i2400mu_rx()
219 	usb_mark_last_busy(i2400mu->usb_dev);  in i2400mu_rx()
237 		if (edc_inc(&i2400mu->urb_edc,  in i2400mu_rx()
243 		usb_clear_halt(i2400mu->usb_dev, usb_pipe);  in i2400mu_rx()
254 		rx_size = i2400mu_rx_size_grow(i2400mu);  in i2400mu_rx()
256 			i2400mu->rx_size = rx_size;  in i2400mu_rx()
272 		i2400mu->rx_size_cnt = 0;  in i2400mu_rx()
273 		i2400mu->rx_size_acc = i2400mu->rx_size;  in i2400mu_rx()
289 		if (edc_inc(&i2400mu->urb_edc,  in i2400mu_rx()
297 		usb_autopm_put_interface(i2400mu->usb_iface);  in i2400mu_rx()
298 	d_fnend(4, dev, "(i2400mu %p) = %p\n", i2400mu, rx_skb);  in i2400mu_rx()
305 	usb_queue_reset_device(i2400mu->usb_iface);  in i2400mu_rx()
331 	struct i2400mu *i2400mu = _i2400mu;  in i2400mu_rxd()  local
332 	struct i2400m *i2400m = &i2400mu->i2400m;  in i2400mu_rxd()
333 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rxd()
340 	d_fnstart(4, dev, "(i2400mu %p)\n", i2400mu);  in i2400mu_rxd()
342 	BUG_ON(i2400mu->rx_kthread != NULL);  in i2400mu_rxd()
343 	i2400mu->rx_kthread = current;  in i2400mu_rxd()
349 			i2400mu->rx_wq,  in i2400mu_rxd()
351 			 || (pending = atomic_read(&i2400mu->rx_pending_count)))  in i2400mu_rxd()
357 		rx_size = i2400mu->rx_size;  in i2400mu_rxd()
368 		rx_skb = i2400mu_rx(i2400mu, rx_skb);  in i2400mu_rxd()
372 		atomic_dec(&i2400mu->rx_pending_count);  in i2400mu_rxd()
380 		i2400mu->rx_size_cnt++;  in i2400mu_rxd()
381 		i2400mu->rx_size_acc += rx_skb->len;  in i2400mu_rxd()
384 		    && edc_inc(&i2400mu->urb_edc,  in i2400mu_rxd()
390 		i2400mu_rx_size_maybe_shrink(i2400mu);  in i2400mu_rxd()
395 	i2400mu->rx_kthread = NULL;  in i2400mu_rxd()
397 	d_fnend(4, dev, "(i2400mu %p) = %d\n", i2400mu, result);  in i2400mu_rxd()
403 	usb_queue_reset_device(i2400mu->usb_iface);  in i2400mu_rxd()
415 void i2400mu_rx_kick(struct i2400mu *i2400mu)  in i2400mu_rx_kick()  argument
417 	struct i2400m *i2400m = &i2400mu->i2400m;  in i2400mu_rx_kick()
418 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rx_kick()
421 	atomic_inc(&i2400mu->rx_pending_count);  in i2400mu_rx_kick()
422 	wake_up_all(&i2400mu->rx_wq);  in i2400mu_rx_kick()
427 int i2400mu_rx_setup(struct i2400mu *i2400mu)  in i2400mu_rx_setup()  argument
430 	struct i2400m *i2400m = &i2400mu->i2400m;  in i2400mu_rx_setup()
431 	struct device *dev = &i2400mu->usb_iface->dev;  in i2400mu_rx_setup()
435 	kthread = kthread_run(i2400mu_rxd, i2400mu, "%s-rx",  in i2400mu_rx_setup()
446 void i2400mu_rx_release(struct i2400mu *i2400mu)  in i2400mu_rx_release()  argument
449 	struct i2400m *i2400m = &i2400mu->i2400m;  in i2400mu_rx_release()
454 	kthread = i2400mu->rx_kthread;  in i2400mu_rx_release()
455 	i2400mu->rx_kthread = NULL;  in i2400mu_rx_release()