2020-10-15 04:44:09

by Yun-hao Chung

[permalink] [raw]
Subject: [BlueZ PATCH] core: Add support of variable length params in mgmt_config

This adds support of variable length parameters in mgmt_config.
Also fixed the endian issue.

Reviewed-by: Miao-chen Chou <[email protected]>
---

src/adapter.c | 278 ++++++++++++++++++++------------------------------
src/hcid.h | 1 +
src/main.c | 37 ++++++-
3 files changed, 149 insertions(+), 167 deletions(-)

diff --git a/src/adapter.c b/src/adapter.c
index c0053000ac19..8ed857bde966 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -4163,269 +4163,217 @@ static void probe_devices(void *user_data)
device_probe_profiles(device, btd_device_get_uuids(device));
}

+static uint8_t *set_mgmt_tlv(uint8_t *cur, uint16_t type, uint8_t length,
+ void *value)
+{
+ struct mgmt_tlv *entry = (struct mgmt_tlv *)cur;
+
+ entry->type = htobs(type);
+ entry->length = length;
+ memcpy(entry->value, value, length);
+ cur += sizeof(*entry) + length;
+ return cur;
+}
+
static void load_default_system_params(struct btd_adapter *adapter)
{
- struct {
- struct mgmt_tlv entry;
- union {
- uint16_t u16;
- };
- } __packed *params;
- uint16_t i = 0;
- size_t len = 0;
+ uint8_t *buf, *cur;
unsigned int err;

if (!main_opts.default_params.num_entries ||
!btd_has_kernel_features(KERNEL_SET_SYSTEM_CONFIG))
return;

- params = malloc0(sizeof(*params) *
- main_opts.default_params.num_entries);
-
- len = sizeof(params->entry) * main_opts.default_params.num_entries;
+ buf = malloc0(sizeof(struct mgmt_tlv) *
+ main_opts.default_params.num_entries +
+ main_opts.default_params.total_size);
+ cur = buf;

if (main_opts.default_params.br_page_scan_type != 0xFFFF) {
- params[i].entry.type = 0x0000;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_page_scan_type;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0000,
+ sizeof(main_opts.default_params.br_page_scan_type),
+ &main_opts.default_params.br_page_scan_type);
}

if (main_opts.default_params.br_page_scan_interval) {
- params[i].entry.type = 0x0001;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_page_scan_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0001,
+ sizeof(main_opts.default_params.br_page_scan_interval),
+ &main_opts.default_params.br_page_scan_interval);
}

if (main_opts.default_params.br_page_scan_win) {
- params[i].entry.type = 0x0002;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_page_scan_win;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0002,
+ sizeof(main_opts.default_params.br_page_scan_win),
+ &main_opts.default_params.br_page_scan_win);
}

if (main_opts.default_params.br_scan_type != 0xFFFF) {
- params[i].entry.type = 0x0003;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_scan_type;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0003,
+ sizeof(main_opts.default_params.br_scan_type),
+ &main_opts.default_params.br_scan_type);
}

if (main_opts.default_params.br_scan_interval) {
- params[i].entry.type = 0x0004;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_scan_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0004,
+ sizeof(main_opts.default_params.br_scan_interval),
+ &main_opts.default_params.br_scan_interval);
}

if (main_opts.default_params.br_scan_win) {
- params[i].entry.type = 0x0005;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_scan_win;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0005,
+ sizeof(main_opts.default_params.br_scan_win),
+ &main_opts.default_params.br_scan_win);
}

if (main_opts.default_params.br_link_supervision_timeout) {
- params[i].entry.type = 0x0006;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.br_link_supervision_timeout;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0006,
+ sizeof(main_opts.default_params.
+ br_link_supervision_timeout),
+ &main_opts.default_params.br_link_supervision_timeout);
}

if (main_opts.default_params.br_page_timeout) {
- params[i].entry.type = 0x0007;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_page_timeout;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0007,
+ sizeof(main_opts.default_params.br_page_timeout),
+ &main_opts.default_params.br_page_timeout);
}

if (main_opts.default_params.br_min_sniff_interval) {
- params[i].entry.type = 0x0008;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_min_sniff_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0008,
+ sizeof(main_opts.default_params.br_min_sniff_interval),
+ &main_opts.default_params.br_min_sniff_interval);
}

if (main_opts.default_params.br_max_sniff_interval) {
- params[i].entry.type = 0x0009;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.br_max_sniff_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0009,
+ sizeof(main_opts.default_params.br_max_sniff_interval),
+ &main_opts.default_params.br_max_sniff_interval);
}

if (main_opts.default_params.le_min_adv_interval) {
- params[i].entry.type = 0x000a;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_min_adv_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000a,
+ sizeof(main_opts.default_params.le_min_adv_interval),
+ &main_opts.default_params.le_min_adv_interval);
}

if (main_opts.default_params.le_max_adv_interval) {
- params[i].entry.type = 0x000b;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_max_adv_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000b,
+ sizeof(main_opts.default_params.le_max_adv_interval),
+ &main_opts.default_params.le_max_adv_interval);
}

if (main_opts.default_params.le_multi_adv_rotation_interval) {
- params[i].entry.type = 0x000c;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_multi_adv_rotation_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000c,
+ sizeof(main_opts.default_params.
+ le_multi_adv_rotation_interval),
+ &main_opts.default_params.
+ le_multi_adv_rotation_interval);
}

if (main_opts.default_params.le_scan_interval_autoconnect) {
- params[i].entry.type = 0x000d;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_interval_autoconnect;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000d,
+ sizeof(main_opts.default_params.
+ le_scan_interval_autoconnect),
+ &main_opts.default_params.le_scan_interval_autoconnect);
}

if (main_opts.default_params.le_scan_win_autoconnect) {
- params[i].entry.type = 0x000e;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_win_autoconnect;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000e,
+ sizeof(main_opts.default_params.
+ le_scan_win_autoconnect),
+ &main_opts.default_params.le_scan_win_autoconnect);
}

if (main_opts.default_params.le_scan_interval_suspend) {
- params[i].entry.type = 0x000f;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_interval_suspend;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x000f,
+ sizeof(main_opts.default_params.
+ le_scan_interval_suspend),
+ &main_opts.default_params.le_scan_interval_suspend);
}

if (main_opts.default_params.le_scan_win_suspend) {
- params[i].entry.type = 0x0010;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_scan_win_suspend;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0010,
+ sizeof(main_opts.default_params.le_scan_win_suspend),
+ &main_opts.default_params.le_scan_win_suspend);
}

if (main_opts.default_params.le_scan_interval_discovery) {
- params[i].entry.type = 0x0011;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_interval_discovery;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0011,
+ sizeof(main_opts.default_params.
+ le_scan_interval_discovery),
+ &main_opts.default_params.le_scan_interval_discovery);
}

if (main_opts.default_params.le_scan_win_discovery) {
- params[i].entry.type = 0x0012;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_win_discovery;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0012,
+ sizeof(main_opts.default_params.le_scan_win_discovery),
+ &main_opts.default_params.le_scan_win_discovery);
}

if (main_opts.default_params.le_scan_interval_adv_monitor) {
- params[i].entry.type = 0x0013;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_interval_adv_monitor;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0013,
+ sizeof(main_opts.default_params.
+ le_scan_interval_adv_monitor),
+ &main_opts.default_params.le_scan_interval_adv_monitor);
}

if (main_opts.default_params.le_scan_win_adv_monitor) {
- params[i].entry.type = 0x0014;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_win_adv_monitor;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0014,
+ sizeof(main_opts.default_params.
+ le_scan_win_adv_monitor),
+ &main_opts.default_params.le_scan_win_adv_monitor);
}

if (main_opts.default_params.le_scan_interval_connect) {
- params[i].entry.type = 0x0015;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 =
- main_opts.default_params.le_scan_interval_connect;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0015,
+ sizeof(main_opts.default_params.
+ le_scan_interval_connect),
+ &main_opts.default_params.le_scan_interval_connect);
}

if (main_opts.default_params.le_scan_win_connect) {
- params[i].entry.type = 0x0016;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_scan_win_connect;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0016,
+ sizeof(main_opts.default_params.le_scan_win_connect),
+ &main_opts.default_params.le_scan_win_connect);
}

if (main_opts.default_params.le_min_conn_interval) {
- params[i].entry.type = 0x0017;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_min_conn_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0017,
+ sizeof(main_opts.default_params.le_min_conn_interval),
+ &main_opts.default_params.le_min_conn_interval);
}

if (main_opts.default_params.le_max_conn_interval) {
- params[i].entry.type = 0x0018;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_max_conn_interval;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0018,
+ sizeof(main_opts.default_params.le_max_conn_interval),
+ &main_opts.default_params.le_max_conn_interval);
}

if (main_opts.default_params.le_conn_latency) {
- params[i].entry.type = 0x0019;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_conn_latency;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x0019,
+ sizeof(main_opts.default_params.le_conn_latency),
+ &main_opts.default_params.le_conn_latency);
}

if (main_opts.default_params.le_conn_lsto) {
- params[i].entry.type = 0x001a;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_conn_lsto;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x001a,
+ sizeof(main_opts.default_params.le_conn_lsto),
+ &main_opts.default_params.le_conn_lsto);
}

if (main_opts.default_params.le_autoconnect_timeout) {
- params[i].entry.type = 0x001b;
- params[i].entry.length = sizeof(params[i].u16);
- params[i].u16 = main_opts.default_params.le_autoconnect_timeout;
- ++i;
- len += sizeof(params[i].u16);
+ cur = set_mgmt_tlv(cur, 0x001b,
+ sizeof(main_opts.default_params.le_autoconnect_timeout),
+ &main_opts.default_params.le_autoconnect_timeout);
}

err = mgmt_send(adapter->mgmt, MGMT_OP_SET_DEF_SYSTEM_CONFIG,
- adapter->dev_id, len, params, NULL, NULL, NULL);
+ adapter->dev_id, cur-buf, buf, NULL, NULL, NULL);
if (!err)
btd_error(adapter->dev_id,
"Failed to set default system config for hci%u",
adapter->dev_id);
-
- free(params);
+ free(buf);
}

static void load_devices(struct btd_adapter *adapter)
diff --git a/src/hcid.h b/src/hcid.h
index 95d4b9665193..adeb1f92333c 100644
--- a/src/hcid.h
+++ b/src/hcid.h
@@ -45,6 +45,7 @@ struct main_opts {

struct {
uint16_t num_entries;
+ uint16_t total_size;

uint16_t br_page_scan_type;
uint16_t br_page_scan_interval;
diff --git a/src/main.c b/src/main.c
index 77be776686a8..69a9f28fea67 100644
--- a/src/main.c
+++ b/src/main.c
@@ -305,120 +305,150 @@ static void parse_controller_config(GKeyFile *config)
{
static const struct {
const char * const val_name;
- uint16_t * const val;
+ void * const val;
+ const size_t size;
const uint16_t min;
const uint16_t max;
} params[] = {
{ "BRPageScanType",
&main_opts.default_params.br_page_scan_type,
+ sizeof(main_opts.default_params.br_page_scan_type),
0,
1},
{ "BRPageScanInterval",
&main_opts.default_params.br_page_scan_interval,
+ sizeof(main_opts.default_params.br_page_scan_interval),
0x0012,
0x1000},
{ "BRPageScanWindow",
&main_opts.default_params.br_page_scan_win,
+ sizeof(main_opts.default_params.br_page_scan_win),
0x0011,
0x1000},
{ "BRInquiryScanType",
&main_opts.default_params.br_scan_type,
+ sizeof(main_opts.default_params.br_scan_type),
0,
1},
{ "BRInquiryScanInterval",
&main_opts.default_params.br_scan_interval,
+ sizeof(main_opts.default_params.br_scan_interval),
0x0012,
0x1000},
{ "BRInquiryScanWindow",
&main_opts.default_params.br_scan_win,
+ sizeof(main_opts.default_params.br_scan_win),
0x0011,
0x1000},
{ "BRLinkSupervisionTimeout",
&main_opts.default_params.br_link_supervision_timeout,
+ sizeof(main_opts.default_params.br_link_supervision_timeout),
0x0001,
0xFFFF},
{ "BRPageTimeout",
&main_opts.default_params.br_page_timeout,
+ sizeof(main_opts.default_params.br_page_scan_win),
0x0001,
0xFFFF},
{ "BRMinSniffInterval",
&main_opts.default_params.br_min_sniff_interval,
+ sizeof(main_opts.default_params.br_min_sniff_interval),
0x0001,
0xFFFE},
{ "BRMaxSniffInterval",
&main_opts.default_params.br_max_sniff_interval,
+ sizeof(main_opts.default_params.br_max_sniff_interval),
0x0001,
0xFFFE},
{ "LEMinAdvertisementInterval",
&main_opts.default_params.le_min_adv_interval,
+ sizeof(main_opts.default_params.le_min_adv_interval),
0x0020,
0x4000},
{ "LEMaxAdvertisementInterval",
&main_opts.default_params.le_max_adv_interval,
+ sizeof(main_opts.default_params.le_max_adv_interval),
0x0020,
0x4000},
{ "LEMultiAdvertisementRotationInterval",
&main_opts.default_params.le_multi_adv_rotation_interval,
+ sizeof(main_opts.default_params.
+ le_multi_adv_rotation_interval),
0x0001,
0xFFFF},
{ "LEScanIntervalAutoConnect",
&main_opts.default_params.le_scan_interval_autoconnect,
+ sizeof(main_opts.default_params.le_scan_interval_autoconnect),
0x0004,
0x4000},
{ "LEScanWindowAutoConnect",
&main_opts.default_params.le_scan_win_autoconnect,
+ sizeof(main_opts.default_params.le_scan_win_autoconnect),
0x0004,
0x4000},
{ "LEScanIntervalSuspend",
&main_opts.default_params.le_scan_interval_suspend,
+ sizeof(main_opts.default_params.le_scan_interval_suspend),
0x0004,
0x4000},
{ "LEScanWindowSuspend",
&main_opts.default_params.le_scan_win_suspend,
+ sizeof(main_opts.default_params.le_scan_win_suspend),
0x0004,
0x4000},
{ "LEScanIntervalDiscovery",
&main_opts.default_params.le_scan_interval_discovery,
+ sizeof(main_opts.default_params.le_scan_interval_discovery),
0x0004,
0x4000},
{ "LEScanWindowDiscovery",
&main_opts.default_params.le_scan_win_discovery,
+ sizeof(main_opts.default_params.le_scan_win_discovery),
0x0004,
0x4000},
{ "LEScanIntervalAdvMonitor",
&main_opts.default_params.le_scan_interval_adv_monitor,
+ sizeof(main_opts.default_params.le_scan_interval_adv_monitor),
0x0004,
0x4000},
{ "LEScanWindowAdvMonitor",
&main_opts.default_params.le_scan_win_adv_monitor,
+ sizeof(main_opts.default_params.le_scan_win_adv_monitor),
0x0004,
0x4000},
{ "LEScanIntervalConnect",
&main_opts.default_params.le_scan_interval_connect,
+ sizeof(main_opts.default_params.le_scan_interval_connect),
0x0004,
0x4000},
{ "LEScanWindowConnect",
&main_opts.default_params.le_scan_win_connect,
+ sizeof(main_opts.default_params.le_scan_win_connect),
0x0004,
0x4000},
{ "LEMinConnectionInterval",
&main_opts.default_params.le_min_conn_interval,
+ sizeof(main_opts.default_params.le_min_conn_interval),
0x0006,
0x0C80},
{ "LEMaxConnectionInterval",
&main_opts.default_params.le_max_conn_interval,
+ sizeof(main_opts.default_params.le_max_conn_interval),
0x0006,
0x0C80},
{ "LEConnectionLatency",
&main_opts.default_params.le_conn_latency,
+ sizeof(main_opts.default_params.le_conn_latency),
0x0000,
0x01F3},
{ "LEConnectionSupervisionTimeout",
&main_opts.default_params.le_conn_lsto,
+ sizeof(main_opts.default_params.le_conn_lsto),
0x000A,
0x0C80},
{ "LEAutoconnecttimeout",
&main_opts.default_params.le_autoconnect_timeout,
+ sizeof(main_opts.default_params.le_autoconnect_timeout),
0x0001,
0x4000},
};
@@ -439,7 +469,10 @@ static void parse_controller_config(GKeyFile *config)

val = MAX(val, params[i].min);
val = MIN(val, params[i].max);
- *params[i].val = val;
+
+ val = htobl(val);
+ memcpy(params[i].val, &val, params[i].size);
+ main_opts.default_params.total_size += params[i].size;
++main_opts.default_params.num_entries;
}
}
--
2.29.0.rc1.297.gfa9743e501-goog