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Bluetooth: Refactor read default sys config for various types 

Refactor read default system configuration function so that it's capable
of returning different types than u16

Signed-off-by: Howard Chung <howardchung@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Howard Chung 2020-11-26 12:22:24 +08:00 committed by Johan Hedberg
parent 422bb17f8a
commit 3bc615fa93
1 changed files with 84 additions and 56 deletions
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140
net/bluetooth/mgmt_config.c
View File

@ -11,72 +11,100 @@
#include "mgmt_util.h"
#include "mgmt_config.h"
#define HDEV_PARAM_U16(_param_code_, _param_name_) \
{ \
{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
{ cpu_to_le16(hdev->_param_name_) } \
}
#define HDEV_PARAM_U16(_param_name_) \
struct {\
struct mgmt_tlv entry; \
__le16 value; \
} __packed _param_name_
#define HDEV_PARAM_U16_JIFFIES_TO_MSECS(_param_code_, _param_name_) \
{ \
{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
{ cpu_to_le16(jiffies_to_msecs(hdev->_param_name_)) } \
}
#define TLV_SET_U16(_param_code_, _param_name_) \
{ \
{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
cpu_to_le16(hdev->_param_name_) \
}
#define TLV_SET_U16_JIFFIES_TO_MSECS(_param_code_, _param_name_) \
{ \
{ cpu_to_le16(_param_code_), sizeof(__u16) }, \
cpu_to_le16(jiffies_to_msecs(hdev->_param_name_)) \
}
int read_def_system_config(struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len)
{
struct {
struct mgmt_tlv entry;
union {
/* This is a simplification for now since all values
* are 16 bits. In the future, this code may need
* refactoring to account for variable length values
* and properly calculate the required buffer size.
*/
__le16 value;
};
} __packed params[] = {
int ret;
struct mgmt_rp_read_def_system_config {
/* Please see mgmt-api.txt for documentation of these values */
HDEV_PARAM_U16(0x0000, def_page_scan_type),
HDEV_PARAM_U16(0x0001, def_page_scan_int),
HDEV_PARAM_U16(0x0002, def_page_scan_window),
HDEV_PARAM_U16(0x0003, def_inq_scan_type),
HDEV_PARAM_U16(0x0004, def_inq_scan_int),
HDEV_PARAM_U16(0x0005, def_inq_scan_window),
HDEV_PARAM_U16(0x0006, def_br_lsto),
HDEV_PARAM_U16(0x0007, def_page_timeout),
HDEV_PARAM_U16(0x0008, sniff_min_interval),
HDEV_PARAM_U16(0x0009, sniff_max_interval),
HDEV_PARAM_U16(0x000a, le_adv_min_interval),
HDEV_PARAM_U16(0x000b, le_adv_max_interval),
HDEV_PARAM_U16(0x000c, def_multi_adv_rotation_duration),
HDEV_PARAM_U16(0x000d, le_scan_interval),
HDEV_PARAM_U16(0x000e, le_scan_window),
HDEV_PARAM_U16(0x000f, le_scan_int_suspend),
HDEV_PARAM_U16(0x0010, le_scan_window_suspend),
HDEV_PARAM_U16(0x0011, le_scan_int_discovery),
HDEV_PARAM_U16(0x0012, le_scan_window_discovery),
HDEV_PARAM_U16(0x0013, le_scan_int_adv_monitor),
HDEV_PARAM_U16(0x0014, le_scan_window_adv_monitor),
HDEV_PARAM_U16(0x0015, le_scan_int_connect),
HDEV_PARAM_U16(0x0016, le_scan_window_connect),
HDEV_PARAM_U16(0x0017, le_conn_min_interval),
HDEV_PARAM_U16(0x0018, le_conn_max_interval),
HDEV_PARAM_U16(0x0019, le_conn_latency),
HDEV_PARAM_U16(0x001a, le_supv_timeout),
HDEV_PARAM_U16_JIFFIES_TO_MSECS(0x001b,
def_le_autoconnect_timeout),
HDEV_PARAM_U16(0x001d, advmon_allowlist_duration),
HDEV_PARAM_U16(0x001e, advmon_no_filter_duration),
HDEV_PARAM_U16(def_page_scan_type);
HDEV_PARAM_U16(def_page_scan_int);
HDEV_PARAM_U16(def_page_scan_window);
HDEV_PARAM_U16(def_inq_scan_type);
HDEV_PARAM_U16(def_inq_scan_int);
HDEV_PARAM_U16(def_inq_scan_window);
HDEV_PARAM_U16(def_br_lsto);
HDEV_PARAM_U16(def_page_timeout);
HDEV_PARAM_U16(sniff_min_interval);
HDEV_PARAM_U16(sniff_max_interval);
HDEV_PARAM_U16(le_adv_min_interval);
HDEV_PARAM_U16(le_adv_max_interval);
HDEV_PARAM_U16(def_multi_adv_rotation_duration);
HDEV_PARAM_U16(le_scan_interval);
HDEV_PARAM_U16(le_scan_window);
HDEV_PARAM_U16(le_scan_int_suspend);
HDEV_PARAM_U16(le_scan_window_suspend);
HDEV_PARAM_U16(le_scan_int_discovery);
HDEV_PARAM_U16(le_scan_window_discovery);
HDEV_PARAM_U16(le_scan_int_adv_monitor);
HDEV_PARAM_U16(le_scan_window_adv_monitor);
HDEV_PARAM_U16(le_scan_int_connect);
HDEV_PARAM_U16(le_scan_window_connect);
HDEV_PARAM_U16(le_conn_min_interval);
HDEV_PARAM_U16(le_conn_max_interval);
HDEV_PARAM_U16(le_conn_latency);
HDEV_PARAM_U16(le_supv_timeout);
HDEV_PARAM_U16(def_le_autoconnect_timeout);
HDEV_PARAM_U16(advmon_allowlist_duration);
HDEV_PARAM_U16(advmon_no_filter_duration);
} __packed rp = {
TLV_SET_U16(0x0000, def_page_scan_type),
TLV_SET_U16(0x0001, def_page_scan_int),
TLV_SET_U16(0x0002, def_page_scan_window),
TLV_SET_U16(0x0003, def_inq_scan_type),
TLV_SET_U16(0x0004, def_inq_scan_int),
TLV_SET_U16(0x0005, def_inq_scan_window),
TLV_SET_U16(0x0006, def_br_lsto),
TLV_SET_U16(0x0007, def_page_timeout),
TLV_SET_U16(0x0008, sniff_min_interval),
TLV_SET_U16(0x0009, sniff_max_interval),
TLV_SET_U16(0x000a, le_adv_min_interval),
TLV_SET_U16(0x000b, le_adv_max_interval),
TLV_SET_U16(0x000c, def_multi_adv_rotation_duration),
TLV_SET_U16(0x000d, le_scan_interval),
TLV_SET_U16(0x000e, le_scan_window),
TLV_SET_U16(0x000f, le_scan_int_suspend),
TLV_SET_U16(0x0010, le_scan_window_suspend),
TLV_SET_U16(0x0011, le_scan_int_discovery),
TLV_SET_U16(0x0012, le_scan_window_discovery),
TLV_SET_U16(0x0013, le_scan_int_adv_monitor),
TLV_SET_U16(0x0014, le_scan_window_adv_monitor),
TLV_SET_U16(0x0015, le_scan_int_connect),
TLV_SET_U16(0x0016, le_scan_window_connect),
TLV_SET_U16(0x0017, le_conn_min_interval),
TLV_SET_U16(0x0018, le_conn_max_interval),
TLV_SET_U16(0x0019, le_conn_latency),
TLV_SET_U16(0x001a, le_supv_timeout),
TLV_SET_U16_JIFFIES_TO_MSECS(0x001b,
def_le_autoconnect_timeout),
TLV_SET_U16(0x001d, advmon_allowlist_duration),
TLV_SET_U16(0x001e, advmon_no_filter_duration),
};
struct mgmt_rp_read_def_system_config *rp = (void *)params;
bt_dev_dbg(hdev, "sock %p", sk);
return mgmt_cmd_complete(sk, hdev->id,
MGMT_OP_READ_DEF_SYSTEM_CONFIG,
0, rp, sizeof(params));
ret = mgmt_cmd_complete(sk, hdev->id,
MGMT_OP_READ_DEF_SYSTEM_CONFIG,
0, &rp, sizeof(rp));
return ret;
}
#define TO_TLV(x) ((struct mgmt_tlv *)(x))