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authorHoward Chung <howardchung@google.com>2020-11-26 07:22:24 +0300
committerJohan Hedberg <johan.hedberg@intel.com>2020-12-07 18:00:56 +0300
commit3bc615fa93d2e89104edd924135451db8bbf631f (patch)
tree41fdcea4b930d03a156cdce4e6411e938b74d674
parent422bb17f8a17a29a6553b4569a213b792cd57c0a (diff)
downloadlinux-3bc615fa93d2e89104edd924135451db8bbf631f.tar.xz
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>
-rw-r--r--net/bluetooth/mgmt_config.c140
1 files changed, 84 insertions, 56 deletions
diff --git a/net/bluetooth/mgmt_config.c b/net/bluetooth/mgmt_config.c
index 2d3ad288c78a..282fbf82f319 100644
--- a/net/bluetooth/mgmt_config.c
+++ b/net/bluetooth/mgmt_config.c
@@ -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))