33 	struct sk_buff *skb;  in virtbt_add_inbuf()  local
36 	skb = alloc_skb(1000, GFP_KERNEL);  in virtbt_add_inbuf()
37 	if (!skb)  in virtbt_add_inbuf()
40 	sg_init_one(sg, skb->data, 1000);  in virtbt_add_inbuf()
42 	err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL);  in virtbt_add_inbuf()
44 		kfree_skb(skb);  in virtbt_add_inbuf()
71 		struct sk_buff *skb;  in virtbt_close()  local
73 		while ((skb = virtqueue_detach_unused_buf(vq)))  in virtbt_close()
74 			kfree_skb(skb);  in virtbt_close()
85 static int virtbt_send_frame(struct hci_dev *hdev, struct sk_buff *skb)  in virtbt_send_frame()  argument
91 	memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);  in virtbt_send_frame()
93 	sg_init_one(sg, skb->data, skb->len);  in virtbt_send_frame()
94 	err = virtqueue_add_outbuf(vbt->vqs[VIRTBT_VQ_TX], sg, 1, skb,  in virtbt_send_frame()
97 		kfree_skb(skb);  in virtbt_send_frame()
107 	struct sk_buff *skb;  in virtbt_setup_zephyr()  local
110 	skb = __hci_cmd_sync(hdev, 0xfc08, 0, NULL, HCI_INIT_TIMEOUT);  in virtbt_setup_zephyr()
111 	if (IS_ERR(skb))  in virtbt_setup_zephyr()
112 		return PTR_ERR(skb);  in virtbt_setup_zephyr()
114 	bt_dev_info(hdev, "%s", (char *)(skb->data + 1));  in virtbt_setup_zephyr()
116 	hci_set_fw_info(hdev, "%s", skb->data + 1);  in virtbt_setup_zephyr()
118 	kfree_skb(skb);  in virtbt_setup_zephyr()
125 	struct sk_buff *skb;  in virtbt_set_bdaddr_zephyr()  local
128 	skb = __hci_cmd_sync(hdev, 0xfc06, 6, bdaddr, HCI_INIT_TIMEOUT);  in virtbt_set_bdaddr_zephyr()
129 	if (IS_ERR(skb))  in virtbt_set_bdaddr_zephyr()
130 		return PTR_ERR(skb);  in virtbt_set_bdaddr_zephyr()
132 	kfree_skb(skb);  in virtbt_set_bdaddr_zephyr()
138 	struct sk_buff *skb;  in virtbt_setup_intel()  local
141 	skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_CMD_TIMEOUT);  in virtbt_setup_intel()
142 	if (IS_ERR(skb))  in virtbt_setup_intel()
143 		return PTR_ERR(skb);  in virtbt_setup_intel()
145 	kfree_skb(skb);  in virtbt_setup_intel()
151 	struct sk_buff *skb;  in virtbt_set_bdaddr_intel()  local
154 	skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT);  in virtbt_set_bdaddr_intel()
155 	if (IS_ERR(skb))  in virtbt_set_bdaddr_intel()
156 		return PTR_ERR(skb);  in virtbt_set_bdaddr_intel()
158 	kfree_skb(skb);  in virtbt_set_bdaddr_intel()
164 	struct sk_buff *skb;  in virtbt_setup_realtek()  local
167 	skb = __hci_cmd_sync(hdev, 0xfc6d, 0, NULL, HCI_INIT_TIMEOUT);  in virtbt_setup_realtek()
168 	if (IS_ERR(skb))  in virtbt_setup_realtek()
169 		return PTR_ERR(skb);  in virtbt_setup_realtek()
171 	bt_dev_info(hdev, "ROM version %u", *((__u8 *) (skb->data + 1)));  in virtbt_setup_realtek()
173 	kfree_skb(skb);  in virtbt_setup_realtek()
179 	struct sk_buff *skb;  in virtbt_shutdown_generic()  local
182 	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);  in virtbt_shutdown_generic()
183 	if (IS_ERR(skb))  in virtbt_shutdown_generic()
184 		return PTR_ERR(skb);  in virtbt_shutdown_generic()
186 	kfree_skb(skb);  in virtbt_shutdown_generic()
190 static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)  in virtbt_rx_handle()  argument
194 	pkt_type = *((__u8 *) skb->data);  in virtbt_rx_handle()
195 	skb_pull(skb, 1);  in virtbt_rx_handle()
202 		hci_skb_pkt_type(skb) = pkt_type;  in virtbt_rx_handle()
203 		hci_recv_frame(vbt->hdev, skb);  in virtbt_rx_handle()
206 		kfree_skb(skb);  in virtbt_rx_handle()
215 	struct sk_buff *skb;  in virtbt_rx_work()  local
218 	skb = virtqueue_get_buf(vbt->vqs[VIRTBT_VQ_RX], &len);  in virtbt_rx_work()
219 	if (!skb)  in virtbt_rx_work()
222 	skb_put(skb, len);  in virtbt_rx_work()
223 	virtbt_rx_handle(vbt, skb);  in virtbt_rx_work()
233 	struct sk_buff *skb;  in virtbt_tx_done()  local
236 	while ((skb = virtqueue_get_buf(vq, &len)))  in virtbt_tx_done()
237 		kfree_skb(skb);  in virtbt_tx_done()