1 // SPDX-License-Identifier: ISC
12 	const struct mt76_mcu_ops *ops = dev->mcu_ops;  in __mt76_mcu_msg_alloc()
16 	len = ops->headroom + len + ops->tailroom;  in __mt76_mcu_msg_alloc()
22 	memset(skb->head, 0, len);  in __mt76_mcu_msg_alloc()
23 	skb_reserve(skb, ops->headroom);  in __mt76_mcu_msg_alloc()
40 	timeout = expires - jiffies;  in mt76_mcu_get_response()
41 	wait_event_timeout(dev->mcu.wait,  in mt76_mcu_get_response()
42 			   (!skb_queue_empty(&dev->mcu.res_q) ||  in mt76_mcu_get_response()
43 			    test_bit(MT76_MCU_RESET, &dev->phy.state)),  in mt76_mcu_get_response()
45 	return skb_dequeue(&dev->mcu.res_q);  in mt76_mcu_get_response()
51 	skb_queue_tail(&dev->mcu.res_q, skb);  in mt76_mcu_rx_event()
52 	wake_up(&dev->mcu.wait);  in mt76_mcu_rx_event()
61 	if (dev->mcu_ops->mcu_send_msg)  in mt76_mcu_send_and_get_msg()
62 		return dev->mcu_ops->mcu_send_msg(dev, cmd, data, len, wait_resp);  in mt76_mcu_send_and_get_msg()
66 		return -ENOMEM;  in mt76_mcu_send_and_get_msg()
76 	unsigned int retry = 0;  in mt76_mcu_skb_send_and_get_msg()  local
84 	mutex_lock(&dev->mcu.mutex);  in mt76_mcu_skb_send_and_get_msg()
86 	if (dev->mcu_ops->mcu_skb_prepare_msg) {  in mt76_mcu_skb_send_and_get_msg()
88 		ret = dev->mcu_ops->mcu_skb_prepare_msg(dev, skb, cmd, &seq);  in mt76_mcu_skb_send_and_get_msg()
93 retry:  in mt76_mcu_skb_send_and_get_msg()
94 	/* orig skb might be needed for retry, mcu_skb_send_msg consumes it */  in mt76_mcu_skb_send_and_get_msg()
97 	ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq);  in mt76_mcu_skb_send_and_get_msg()
106 	expires = jiffies + dev->mcu.timeout;  in mt76_mcu_skb_send_and_get_msg()
110 		if (!skb && !test_bit(MT76_MCU_RESET, &dev->phy.state) &&  in mt76_mcu_skb_send_and_get_msg()
111 		    orig_skb && retry++ < dev->mcu_ops->max_retry) {  in mt76_mcu_skb_send_and_get_msg()
112 			dev_err(dev->dev, "Retry message %08x (seq %d)\n",  in mt76_mcu_skb_send_and_get_msg()
115 			goto retry;  in mt76_mcu_skb_send_and_get_msg()
118 		ret = dev->mcu_ops->mcu_parse_response(dev, cmd, skb, seq);  in mt76_mcu_skb_send_and_get_msg()
123 	} while (ret == -EAGAIN);  in mt76_mcu_skb_send_and_get_msg()
128 	mutex_unlock(&dev->mcu.mutex);  in mt76_mcu_skb_send_and_get_msg()
147 		len -= cur_len;  in __mt76_mcu_send_firmware()
149 		if (dev->queue_ops->tx_cleanup)  in __mt76_mcu_send_firmware()
150 			dev->queue_ops->tx_cleanup(dev,  in __mt76_mcu_send_firmware()
151 						   dev->q_mcu[MT_MCUQ_FWDL],  in __mt76_mcu_send_firmware()