1 // SPDX-License-Identifier: GPL-2.0-only
39 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in read_supported_features()
47 	if (skb->len < sizeof(*rp)) {  in read_supported_features()
52 	rp = (struct msft_rp_read_supported_features *)skb->data;  in read_supported_features()
54 	if (rp->sub_opcode != MSFT_OP_READ_SUPPORTED_FEATURES)  in read_supported_features()
57 	if (rp->evt_prefix_len > 0) {  in read_supported_features()
58 		msft->evt_prefix = kmemdup(rp->evt_prefix, rp->evt_prefix_len,  in read_supported_features()
60 		if (!msft->evt_prefix)  in read_supported_features()
64 	msft->evt_prefix_len = rp->evt_prefix_len;  in read_supported_features()
65 	msft->features = __le64_to_cpu(rp->features);  in read_supported_features()
79 	if (hdev->msft_opcode == HCI_OP_NOP)  in msft_do_open()
82 	bt_dev_dbg(hdev, "Initialize MSFT extension");  in msft_do_open()
93 	hdev->msft_data = msft;  in msft_do_open()
98 	struct msft_data *msft = hdev->msft_data;  in msft_do_close()
103 	bt_dev_dbg(hdev, "Cleanup of MSFT extension");  in msft_do_close()
105 	hdev->msft_data = NULL;  in msft_do_close()
107 	kfree(msft->evt_prefix);  in msft_do_close()
113 	struct msft_data *msft = hdev->msft_data;  in msft_vendor_evt()
119 	/* When the extension has defined an event prefix, check that it  in msft_vendor_evt()
122 	if (msft->evt_prefix_len > 0) {  in msft_vendor_evt()
123 		if (skb->len < msft->evt_prefix_len)  in msft_vendor_evt()
126 		if (memcmp(skb->data, msft->evt_prefix, msft->evt_prefix_len))  in msft_vendor_evt()
129 		skb_pull(skb, msft->evt_prefix_len);  in msft_vendor_evt()
135 	if (skb->len < 1)  in msft_vendor_evt()
138 	event = *skb->data;  in msft_vendor_evt()
141 	bt_dev_dbg(hdev, "MSFT vendor event %u", event);  in msft_vendor_evt()
146 	struct msft_data *msft = hdev->msft_data;  in msft_get_features()
148 	return  msft ? msft->features : 0;  in msft_get_features()