347 lines
9.3 KiB
C
347 lines
9.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2020 Google Corporation
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*/
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include <net/bluetooth/mgmt.h>
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#include "mgmt_util.h"
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#include "mgmt_config.h"
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#define HDEV_PARAM_U16(_param_name_) \
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struct {\
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struct mgmt_tlv entry; \
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__le16 value; \
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} __packed _param_name_
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#define HDEV_PARAM_U8(_param_name_) \
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struct {\
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struct mgmt_tlv entry; \
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__u8 value; \
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} __packed _param_name_
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#define TLV_SET_U16(_param_code_, _param_name_) \
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{ \
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{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
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cpu_to_le16(hdev->_param_name_) \
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}
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#define TLV_SET_U8(_param_code_, _param_name_) \
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{ \
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{ cpu_to_le16(_param_code_), sizeof(__u8) }, \
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hdev->_param_name_ \
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}
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#define TLV_SET_U16_JIFFIES_TO_MSECS(_param_code_, _param_name_) \
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{ \
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{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
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cpu_to_le16(jiffies_to_msecs(hdev->_param_name_)) \
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}
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int read_def_system_config(struct sock *sk, struct hci_dev *hdev, void *data,
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u16 data_len)
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{
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int ret;
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struct mgmt_rp_read_def_system_config {
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/* Please see mgmt-api.txt for documentation of these values */
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HDEV_PARAM_U16(def_page_scan_type);
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HDEV_PARAM_U16(def_page_scan_int);
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HDEV_PARAM_U16(def_page_scan_window);
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HDEV_PARAM_U16(def_inq_scan_type);
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HDEV_PARAM_U16(def_inq_scan_int);
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HDEV_PARAM_U16(def_inq_scan_window);
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HDEV_PARAM_U16(def_br_lsto);
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HDEV_PARAM_U16(def_page_timeout);
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HDEV_PARAM_U16(sniff_min_interval);
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HDEV_PARAM_U16(sniff_max_interval);
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HDEV_PARAM_U16(le_adv_min_interval);
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HDEV_PARAM_U16(le_adv_max_interval);
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HDEV_PARAM_U16(def_multi_adv_rotation_duration);
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HDEV_PARAM_U16(le_scan_interval);
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HDEV_PARAM_U16(le_scan_window);
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HDEV_PARAM_U16(le_scan_int_suspend);
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HDEV_PARAM_U16(le_scan_window_suspend);
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HDEV_PARAM_U16(le_scan_int_discovery);
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HDEV_PARAM_U16(le_scan_window_discovery);
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HDEV_PARAM_U16(le_scan_int_adv_monitor);
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HDEV_PARAM_U16(le_scan_window_adv_monitor);
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HDEV_PARAM_U16(le_scan_int_connect);
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HDEV_PARAM_U16(le_scan_window_connect);
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HDEV_PARAM_U16(le_conn_min_interval);
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HDEV_PARAM_U16(le_conn_max_interval);
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HDEV_PARAM_U16(le_conn_latency);
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HDEV_PARAM_U16(le_supv_timeout);
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HDEV_PARAM_U16(def_le_autoconnect_timeout);
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HDEV_PARAM_U16(advmon_allowlist_duration);
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HDEV_PARAM_U16(advmon_no_filter_duration);
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HDEV_PARAM_U8(enable_advmon_interleave_scan);
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} __packed rp = {
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TLV_SET_U16(0x0000, def_page_scan_type),
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TLV_SET_U16(0x0001, def_page_scan_int),
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TLV_SET_U16(0x0002, def_page_scan_window),
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TLV_SET_U16(0x0003, def_inq_scan_type),
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TLV_SET_U16(0x0004, def_inq_scan_int),
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TLV_SET_U16(0x0005, def_inq_scan_window),
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TLV_SET_U16(0x0006, def_br_lsto),
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TLV_SET_U16(0x0007, def_page_timeout),
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TLV_SET_U16(0x0008, sniff_min_interval),
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TLV_SET_U16(0x0009, sniff_max_interval),
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TLV_SET_U16(0x000a, le_adv_min_interval),
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TLV_SET_U16(0x000b, le_adv_max_interval),
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TLV_SET_U16(0x000c, def_multi_adv_rotation_duration),
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TLV_SET_U16(0x000d, le_scan_interval),
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TLV_SET_U16(0x000e, le_scan_window),
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TLV_SET_U16(0x000f, le_scan_int_suspend),
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TLV_SET_U16(0x0010, le_scan_window_suspend),
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TLV_SET_U16(0x0011, le_scan_int_discovery),
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TLV_SET_U16(0x0012, le_scan_window_discovery),
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TLV_SET_U16(0x0013, le_scan_int_adv_monitor),
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TLV_SET_U16(0x0014, le_scan_window_adv_monitor),
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TLV_SET_U16(0x0015, le_scan_int_connect),
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TLV_SET_U16(0x0016, le_scan_window_connect),
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TLV_SET_U16(0x0017, le_conn_min_interval),
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TLV_SET_U16(0x0018, le_conn_max_interval),
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TLV_SET_U16(0x0019, le_conn_latency),
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TLV_SET_U16(0x001a, le_supv_timeout),
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TLV_SET_U16_JIFFIES_TO_MSECS(0x001b,
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def_le_autoconnect_timeout),
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TLV_SET_U16(0x001d, advmon_allowlist_duration),
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TLV_SET_U16(0x001e, advmon_no_filter_duration),
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TLV_SET_U8(0x001f, enable_advmon_interleave_scan),
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};
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bt_dev_dbg(hdev, "sock %p", sk);
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ret = mgmt_cmd_complete(sk, hdev->id,
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MGMT_OP_READ_DEF_SYSTEM_CONFIG,
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0, &rp, sizeof(rp));
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return ret;
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}
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#define TO_TLV(x) ((struct mgmt_tlv *)(x))
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#define TLV_GET_LE16(tlv) le16_to_cpu(*((__le16 *)(TO_TLV(tlv)->value)))
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#define TLV_GET_U8(tlv) (*((__u8 *)(TO_TLV(tlv)->value)))
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int set_def_system_config(struct sock *sk, struct hci_dev *hdev, void *data,
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u16 data_len)
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{
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u16 buffer_left = data_len;
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u8 *buffer = data;
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if (buffer_left < sizeof(struct mgmt_tlv)) {
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return mgmt_cmd_status(sk, hdev->id,
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MGMT_OP_SET_DEF_SYSTEM_CONFIG,
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MGMT_STATUS_INVALID_PARAMS);
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}
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/* First pass to validate the tlv */
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while (buffer_left >= sizeof(struct mgmt_tlv)) {
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const u8 len = TO_TLV(buffer)->length;
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size_t exp_type_len;
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const u16 exp_len = sizeof(struct mgmt_tlv) +
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len;
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const u16 type = le16_to_cpu(TO_TLV(buffer)->type);
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if (buffer_left < exp_len) {
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bt_dev_warn(hdev, "invalid len left %u, exp >= %u",
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buffer_left, exp_len);
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return mgmt_cmd_status(sk, hdev->id,
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MGMT_OP_SET_DEF_SYSTEM_CONFIG,
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MGMT_STATUS_INVALID_PARAMS);
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}
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/* Please see mgmt-api.txt for documentation of these values */
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switch (type) {
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case 0x0000:
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case 0x0001:
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case 0x0002:
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case 0x0003:
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case 0x0004:
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case 0x0005:
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case 0x0006:
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case 0x0007:
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case 0x0008:
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case 0x0009:
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case 0x000a:
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case 0x000b:
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case 0x000c:
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case 0x000d:
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case 0x000e:
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case 0x000f:
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case 0x0010:
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case 0x0011:
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case 0x0012:
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case 0x0013:
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case 0x0014:
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case 0x0015:
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case 0x0016:
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case 0x0017:
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case 0x0018:
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case 0x0019:
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case 0x001a:
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case 0x001b:
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case 0x001d:
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case 0x001e:
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exp_type_len = sizeof(u16);
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break;
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case 0x001f:
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exp_type_len = sizeof(u8);
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break;
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default:
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exp_type_len = 0;
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bt_dev_warn(hdev, "unsupported parameter %u", type);
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break;
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}
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if (exp_type_len && len != exp_type_len) {
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bt_dev_warn(hdev, "invalid length %d, exp %zu for type %u",
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len, exp_type_len, type);
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return mgmt_cmd_status(sk, hdev->id,
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MGMT_OP_SET_DEF_SYSTEM_CONFIG,
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MGMT_STATUS_INVALID_PARAMS);
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}
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buffer_left -= exp_len;
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buffer += exp_len;
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}
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buffer_left = data_len;
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buffer = data;
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while (buffer_left >= sizeof(struct mgmt_tlv)) {
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const u8 len = TO_TLV(buffer)->length;
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const u16 exp_len = sizeof(struct mgmt_tlv) +
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len;
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const u16 type = le16_to_cpu(TO_TLV(buffer)->type);
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switch (type) {
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case 0x0000:
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hdev->def_page_scan_type = TLV_GET_LE16(buffer);
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break;
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case 0x0001:
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hdev->def_page_scan_int = TLV_GET_LE16(buffer);
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break;
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case 0x0002:
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hdev->def_page_scan_window = TLV_GET_LE16(buffer);
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break;
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case 0x0003:
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hdev->def_inq_scan_type = TLV_GET_LE16(buffer);
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break;
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case 0x0004:
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hdev->def_inq_scan_int = TLV_GET_LE16(buffer);
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break;
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case 0x0005:
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hdev->def_inq_scan_window = TLV_GET_LE16(buffer);
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break;
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case 0x0006:
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hdev->def_br_lsto = TLV_GET_LE16(buffer);
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break;
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case 0x0007:
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hdev->def_page_timeout = TLV_GET_LE16(buffer);
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break;
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case 0x0008:
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hdev->sniff_min_interval = TLV_GET_LE16(buffer);
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break;
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case 0x0009:
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hdev->sniff_max_interval = TLV_GET_LE16(buffer);
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break;
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case 0x000a:
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hdev->le_adv_min_interval = TLV_GET_LE16(buffer);
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break;
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case 0x000b:
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hdev->le_adv_max_interval = TLV_GET_LE16(buffer);
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break;
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case 0x000c:
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hdev->def_multi_adv_rotation_duration =
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TLV_GET_LE16(buffer);
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break;
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case 0x000d:
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hdev->le_scan_interval = TLV_GET_LE16(buffer);
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break;
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case 0x000e:
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hdev->le_scan_window = TLV_GET_LE16(buffer);
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break;
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case 0x000f:
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hdev->le_scan_int_suspend = TLV_GET_LE16(buffer);
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break;
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case 0x0010:
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hdev->le_scan_window_suspend = TLV_GET_LE16(buffer);
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break;
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case 0x0011:
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hdev->le_scan_int_discovery = TLV_GET_LE16(buffer);
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break;
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case 0x00012:
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hdev->le_scan_window_discovery = TLV_GET_LE16(buffer);
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break;
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case 0x00013:
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hdev->le_scan_int_adv_monitor = TLV_GET_LE16(buffer);
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break;
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case 0x00014:
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hdev->le_scan_window_adv_monitor = TLV_GET_LE16(buffer);
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break;
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case 0x00015:
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hdev->le_scan_int_connect = TLV_GET_LE16(buffer);
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break;
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case 0x00016:
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hdev->le_scan_window_connect = TLV_GET_LE16(buffer);
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break;
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case 0x00017:
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hdev->le_conn_min_interval = TLV_GET_LE16(buffer);
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break;
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case 0x00018:
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hdev->le_conn_max_interval = TLV_GET_LE16(buffer);
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break;
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case 0x00019:
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hdev->le_conn_latency = TLV_GET_LE16(buffer);
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break;
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case 0x0001a:
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hdev->le_supv_timeout = TLV_GET_LE16(buffer);
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break;
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case 0x0001b:
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hdev->def_le_autoconnect_timeout =
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msecs_to_jiffies(TLV_GET_LE16(buffer));
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break;
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case 0x0001d:
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hdev->advmon_allowlist_duration = TLV_GET_LE16(buffer);
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break;
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case 0x0001e:
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hdev->advmon_no_filter_duration = TLV_GET_LE16(buffer);
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break;
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case 0x0001f:
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hdev->enable_advmon_interleave_scan = TLV_GET_U8(buffer);
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break;
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default:
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bt_dev_warn(hdev, "unsupported parameter %u", type);
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break;
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}
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buffer_left -= exp_len;
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buffer += exp_len;
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}
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return mgmt_cmd_complete(sk, hdev->id,
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MGMT_OP_SET_DEF_SYSTEM_CONFIG, 0, NULL, 0);
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}
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int read_def_runtime_config(struct sock *sk, struct hci_dev *hdev, void *data,
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u16 data_len)
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{
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bt_dev_dbg(hdev, "sock %p", sk);
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return mgmt_cmd_complete(sk, hdev->id,
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MGMT_OP_READ_DEF_RUNTIME_CONFIG, 0, NULL, 0);
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}
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|
|
int set_def_runtime_config(struct sock *sk, struct hci_dev *hdev, void *data,
|
||
|
|
u16 data_len)
|
||
|
|
{
|
||
|
|
bt_dev_dbg(hdev, "sock %p", sk);
|
||
|
|
|
||
|
|
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEF_SYSTEM_CONFIG,
|
||
|
|
MGMT_STATUS_INVALID_PARAMS);
|
||
|
|
}
|