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-rw-r--r--net/bluetooth/hci_conn.c12
-rw-r--r--net/bluetooth/hci_core.c53
-rw-r--r--net/bluetooth/hci_debugfs.c50
-rw-r--r--net/bluetooth/hci_event.c44
-rw-r--r--net/bluetooth/hci_request.c303
-rw-r--r--net/bluetooth/hci_request.h2
-rw-r--r--net/bluetooth/hidp/core.c2
-rw-r--r--net/bluetooth/l2cap_core.c10
-rw-r--r--net/bluetooth/mgmt.c436
-rw-r--r--net/bluetooth/mgmt_config.c187
-rw-r--r--net/bluetooth/sco.c5
-rw-r--r--net/bluetooth/smp.c44
-rw-r--r--net/bluetooth/smp.h2
13 files changed, 911 insertions, 239 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index d0c1024bf600..4f1cd8063e72 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -758,6 +758,9 @@ static void create_le_conn_complete(struct hci_dev *hdev, u8 status, u16 opcode)
conn = hci_lookup_le_connect(hdev);
+ if (hdev->adv_instance_cnt)
+ hci_req_resume_adv_instances(hdev);
+
if (!status) {
hci_connect_le_scan_cleanup(conn);
goto done;
@@ -1067,10 +1070,11 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
* connections most controllers will refuse to connect if
* advertising is enabled, and for slave role connections we
* anyway have to disable it in order to start directed
- * advertising.
+ * advertising. Any registered advertisements will be
+ * re-enabled after the connection attempt is finished.
*/
if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- __hci_req_disable_advertising(&req);
+ __hci_req_pause_adv_instances(&req);
/* If requested to connect as slave use directed advertising */
if (conn->role == HCI_ROLE_SLAVE) {
@@ -1118,6 +1122,10 @@ create_conn:
err = hci_req_run(&req, create_le_conn_complete);
if (err) {
hci_conn_del(conn);
+
+ if (hdev->adv_instance_cnt)
+ hci_req_resume_adv_instances(hdev);
+
return ERR_PTR(err);
}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 502552d6e9af..9d2c9a1c552f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -741,6 +741,12 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
}
+ if (hdev->commands[38] & 0x80) {
+ /* Read LE Min/Max Tx Power*/
+ hci_req_add(req, HCI_OP_LE_READ_TRANSMIT_POWER,
+ 0, NULL);
+ }
+
if (hdev->commands[26] & 0x40) {
/* Read LE White List Size */
hci_req_add(req, HCI_OP_LE_READ_WHITE_LIST_SIZE,
@@ -763,7 +769,7 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
hci_req_add(req, HCI_OP_LE_CLEAR_RESOLV_LIST, 0, NULL);
}
- if (hdev->commands[35] & 0x40) {
+ if (hdev->commands[35] & 0x04) {
__le16 rpa_timeout = cpu_to_le16(hdev->rpa_timeout);
/* Set RPA timeout */
@@ -2951,7 +2957,8 @@ static void adv_instance_rpa_expired(struct work_struct *work)
int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
u16 adv_data_len, u8 *adv_data,
u16 scan_rsp_len, u8 *scan_rsp_data,
- u16 timeout, u16 duration)
+ u16 timeout, u16 duration, s8 tx_power,
+ u32 min_interval, u32 max_interval)
{
struct adv_info *adv_instance;
@@ -2979,6 +2986,9 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
adv_instance->flags = flags;
adv_instance->adv_data_len = adv_data_len;
adv_instance->scan_rsp_len = scan_rsp_len;
+ adv_instance->min_interval = min_interval;
+ adv_instance->max_interval = max_interval;
+ adv_instance->tx_power = tx_power;
if (adv_data_len)
memcpy(adv_instance->adv_data, adv_data, adv_data_len);
@@ -2995,8 +3005,6 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
else
adv_instance->duration = duration;
- adv_instance->tx_power = HCI_TX_POWER_INVALID;
-
INIT_DELAYED_WORK(&adv_instance->rpa_expired_cb,
adv_instance_rpa_expired);
@@ -3006,6 +3014,37 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
}
/* This function requires the caller holds hdev->lock */
+int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
+ u16 adv_data_len, u8 *adv_data,
+ u16 scan_rsp_len, u8 *scan_rsp_data)
+{
+ struct adv_info *adv_instance;
+
+ adv_instance = hci_find_adv_instance(hdev, instance);
+
+ /* If advertisement doesn't exist, we can't modify its data */
+ if (!adv_instance)
+ return -ENOENT;
+
+ if (adv_data_len) {
+ memset(adv_instance->adv_data, 0,
+ sizeof(adv_instance->adv_data));
+ memcpy(adv_instance->adv_data, adv_data, adv_data_len);
+ adv_instance->adv_data_len = adv_data_len;
+ }
+
+ if (scan_rsp_len) {
+ memset(adv_instance->scan_rsp_data, 0,
+ sizeof(adv_instance->scan_rsp_data));
+ memcpy(adv_instance->scan_rsp_data,
+ scan_rsp_data, scan_rsp_len);
+ adv_instance->scan_rsp_len = scan_rsp_len;
+ }
+
+ return 0;
+}
+
+/* This function requires the caller holds hdev->lock */
void hci_adv_monitors_clear(struct hci_dev *hdev)
{
struct adv_monitor *monitor;
@@ -3592,6 +3631,10 @@ struct hci_dev *hci_alloc_dev(void)
hdev->cur_adv_instance = 0x00;
hdev->adv_instance_timeout = 0;
+ hdev->advmon_allowlist_duration = 300;
+ hdev->advmon_no_filter_duration = 500;
+ hdev->enable_advmon_interleave_scan = 0x00; /* Default to disable */
+
hdev->sniff_max_interval = 800;
hdev->sniff_min_interval = 80;
@@ -3623,6 +3666,8 @@ struct hci_dev *hci_alloc_dev(void)
hdev->le_num_of_adv_sets = HCI_MAX_ADV_INSTANCES;
hdev->def_multi_adv_rotation_duration = HCI_DEFAULT_ADV_DURATION;
hdev->def_le_autoconnect_timeout = HCI_LE_AUTOCONN_TIMEOUT;
+ hdev->min_le_tx_power = HCI_TX_POWER_INVALID;
+ hdev->max_le_tx_power = HCI_TX_POWER_INVALID;
hdev->rpa_timeout = HCI_DEFAULT_RPA_TIMEOUT;
hdev->discov_interleaved_timeout = DISCOV_INTERLEAVED_TIMEOUT;
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 5e8af2658e44..4626e0289a97 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -494,6 +494,45 @@ static int auto_accept_delay_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
auto_accept_delay_set, "%llu\n");
+static ssize_t force_bredr_smp_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP) ? 'Y' : 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t force_bredr_smp_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ bool enable;
+ int err;
+
+ err = kstrtobool_from_user(user_buf, count, &enable);
+ if (err)
+ return err;
+
+ err = smp_force_bredr(hdev, enable);
+ if (err)
+ return err;
+
+ return count;
+}
+
+static const struct file_operations force_bredr_smp_fops = {
+ .open = simple_open,
+ .read = force_bredr_smp_read,
+ .write = force_bredr_smp_write,
+ .llseek = default_llseek,
+};
+
static int idle_timeout_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
@@ -589,6 +628,17 @@ void hci_debugfs_create_bredr(struct hci_dev *hdev)
debugfs_create_file("voice_setting", 0444, hdev->debugfs, hdev,
&voice_setting_fops);
+ /* If the controller does not support BR/EDR Secure Connections
+ * feature, then the BR/EDR SMP channel shall not be present.
+ *
+ * To test this with Bluetooth 4.0 controllers, create a debugfs
+ * switch that allows forcing BR/EDR SMP support and accepting
+ * cross-transport pairing on non-AES encrypted connections.
+ */
+ if (!lmp_sc_capable(hdev))
+ debugfs_create_file("force_bredr_smp", 0644, hdev->debugfs,
+ hdev, &force_bredr_smp_fops);
+
if (lmp_ssp_capable(hdev)) {
debugfs_create_file("ssp_debug_mode", 0444, hdev->debugfs,
hdev, &ssp_debug_mode_fops);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index f04963914366..67668be3461e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1202,6 +1202,20 @@ static void hci_cc_le_set_adv_set_random_addr(struct hci_dev *hdev,
hci_dev_unlock(hdev);
}
+static void hci_cc_le_read_transmit_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_transmit_power *rp = (void *)skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->min_le_tx_power = rp->min_le_tx_power;
+ hdev->max_le_tx_power = rp->max_le_tx_power;
+}
+
static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 *sent, status = *((__u8 *) skb->data);
@@ -1752,6 +1766,7 @@ static void hci_cc_set_ext_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
}
/* Update adv data as tx power is known now */
hci_req_update_adv_data(hdev, hdev->cur_adv_instance);
+
hci_dev_unlock(hdev);
}
@@ -3581,6 +3596,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
hci_cc_le_set_adv_set_random_addr(hdev, skb);
break;
+ case HCI_OP_LE_READ_TRANSMIT_POWER:
+ hci_cc_le_read_transmit_power(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode);
break;
@@ -4936,15 +4955,15 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev,
hci_dev_lock(hdev);
hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
- if (!hcon) {
- hci_dev_unlock(hdev);
- return;
- }
+ if (!hcon)
+ goto unlock;
+
+ if (!hcon->amp_mgr)
+ goto unlock;
if (ev->status) {
hci_conn_del(hcon);
- hci_dev_unlock(hdev);
- return;
+ goto unlock;
}
bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
@@ -4961,6 +4980,7 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev,
amp_physical_cfm(bredr_hcon, hcon);
+unlock:
hci_dev_unlock(hdev);
}
@@ -5868,21 +5888,19 @@ static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
u8 num_reports = skb->data[0];
- void *ptr = &skb->data[1];
+ struct hci_ev_le_direct_adv_info *ev = (void *)&skb->data[1];
- hci_dev_lock(hdev);
+ if (!num_reports || skb->len < num_reports * sizeof(*ev) + 1)
+ return;
- while (num_reports--) {
- struct hci_ev_le_direct_adv_info *ev = ptr;
+ hci_dev_lock(hdev);
+ for (; num_reports; num_reports--, ev++)
process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
ev->bdaddr_type, &ev->direct_addr,
ev->direct_addr_type, ev->rssi, NULL, 0,
false);
- ptr += sizeof(*ev);
- }
-
hci_dev_unlock(hdev);
}
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 6f12bab4d2fa..71bffd745472 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -58,7 +58,7 @@ static int req_run(struct hci_request *req, hci_req_complete_t complete,
struct sk_buff *skb;
unsigned long flags;
- BT_DBG("length %u", skb_queue_len(&req->cmd_q));
+ bt_dev_dbg(hdev, "length %u", skb_queue_len(&req->cmd_q));
/* If an error occurred during request building, remove all HCI
* commands queued on the HCI request queue.
@@ -102,7 +102,7 @@ int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete)
static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
struct sk_buff *skb)
{
- BT_DBG("%s result 0x%2.2x", hdev->name, result);
+ bt_dev_dbg(hdev, "result 0x%2.2x", result);
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = result;
@@ -115,7 +115,7 @@ static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
void hci_req_sync_cancel(struct hci_dev *hdev, int err)
{
- BT_DBG("%s err 0x%2.2x", hdev->name, err);
+ bt_dev_dbg(hdev, "err 0x%2.2x", err);
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = err;
@@ -131,7 +131,7 @@ struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
struct sk_buff *skb;
int err = 0;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
hci_req_init(&req, hdev);
@@ -167,7 +167,7 @@ struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
skb = hdev->req_skb;
hdev->req_skb = NULL;
- BT_DBG("%s end: err %d", hdev->name, err);
+ bt_dev_dbg(hdev, "end: err %d", err);
if (err < 0) {
kfree_skb(skb);
@@ -196,7 +196,7 @@ int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
struct hci_request req;
int err = 0;
- BT_DBG("%s start", hdev->name);
+ bt_dev_dbg(hdev, "start");
hci_req_init(&req, hdev);
@@ -260,7 +260,7 @@ int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
hdev->req_skb = NULL;
hdev->req_status = hdev->req_result = 0;
- BT_DBG("%s end: err %d", hdev->name, err);
+ bt_dev_dbg(hdev, "end: err %d", err);
return err;
}
@@ -300,7 +300,7 @@ struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
if (plen)
skb_put_data(skb, param, plen);
- BT_DBG("skb len %d", skb->len);
+ bt_dev_dbg(hdev, "skb len %d", skb->len);
hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
hci_skb_opcode(skb) = opcode;
@@ -315,7 +315,7 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
struct hci_dev *hdev = req->hdev;
struct sk_buff *skb;
- BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen);
+ bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
/* If an error occurred during request building, there is no point in
* queueing the HCI command. We can simply return.
@@ -378,6 +378,53 @@ void __hci_req_write_fast_connectable(struct hci_request *req, bool enable)
hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
}
+static void start_interleave_scan(struct hci_dev *hdev)
+{
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->interleave_scan, 0);
+}
+
+static bool is_interleave_scanning(struct hci_dev *hdev)
+{
+ return hdev->interleave_scan_state != INTERLEAVE_SCAN_NONE;
+}
+
+static void cancel_interleave_scan(struct hci_dev *hdev)
+{
+ bt_dev_dbg(hdev, "cancelling interleave scan");
+
+ cancel_delayed_work_sync(&hdev->interleave_scan);
+
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_NONE;
+}
+
+/* Return true if interleave_scan wasn't started until exiting this function,
+ * otherwise, return false
+ */
+static bool __hci_update_interleaved_scan(struct hci_dev *hdev)
+{
+ /* If there is at least one ADV monitors and one pending LE connection
+ * or one device to be scanned for, we should alternate between
+ * allowlist scan and one without any filters to save power.
+ */
+ bool use_interleaving = hci_is_adv_monitoring(hdev) &&
+ !(list_empty(&hdev->pend_le_conns) &&
+ list_empty(&hdev->pend_le_reports));
+ bool is_interleaving = is_interleave_scanning(hdev);
+
+ if (use_interleaving && !is_interleaving) {
+ start_interleave_scan(hdev);
+ bt_dev_dbg(hdev, "starting interleave scan");
+ return true;
+ }
+
+ if (!use_interleaving && is_interleaving)
+ cancel_interleave_scan(hdev);
+
+ return false;
+}
+
/* This function controls the background scanning based on hdev->pend_le_conns
* list. If there are pending LE connection we start the background scanning,
* otherwise we stop it.
@@ -413,8 +460,8 @@ static void __hci_update_background_scan(struct hci_request *req)
*/
hci_discovery_filter_clear(hdev);
- BT_DBG("%s ADV monitoring is %s", hdev->name,
- hci_is_adv_monitoring(hdev) ? "on" : "off");
+ bt_dev_dbg(hdev, "ADV monitoring is %s",
+ hci_is_adv_monitoring(hdev) ? "on" : "off");
if (list_empty(&hdev->pend_le_conns) &&
list_empty(&hdev->pend_le_reports) &&
@@ -430,7 +477,7 @@ static void __hci_update_background_scan(struct hci_request *req)
hci_req_add_le_scan_disable(req, false);
- BT_DBG("%s stopping background scanning", hdev->name);
+ bt_dev_dbg(hdev, "stopping background scanning");
} else {
/* If there is at least one pending LE connection, we should
* keep the background scan running.
@@ -450,8 +497,7 @@ static void __hci_update_background_scan(struct hci_request *req)
hci_req_add_le_scan_disable(req, false);
hci_req_add_le_passive_scan(req);
-
- BT_DBG("%s starting background scanning", hdev->name);
+ bt_dev_dbg(hdev, "starting background scanning");
}
}
@@ -661,6 +707,9 @@ void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn)
return;
}
+ if (hdev->suspended)
+ set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
+
if (use_ext_scan(hdev)) {
struct hci_cp_le_set_ext_scan_enable cp;
@@ -698,7 +747,8 @@ static void del_from_white_list(struct hci_request *req, bdaddr_t *bdaddr,
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_DEL_FROM_WHITE_LIST, sizeof(cp), &cp);
- if (use_ll_privacy(req->hdev)) {
+ if (use_ll_privacy(req->hdev) &&
+ hci_dev_test_flag(req->hdev, HCI_ENABLE_LL_PRIVACY)) {
struct smp_irk *irk;
irk = hci_find_irk_by_addr(req->hdev, bdaddr, bdaddr_type);
@@ -732,7 +782,8 @@ static int add_to_white_list(struct hci_request *req,
return -1;
/* White list can not be used with RPAs */
- if (!allow_rpa && !use_ll_privacy(hdev) &&
+ if (!allow_rpa &&
+ !hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
return -1;
}
@@ -750,7 +801,8 @@ static int add_to_white_list(struct hci_request *req,
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_ADD_TO_WHITE_LIST, sizeof(cp), &cp);
- if (use_ll_privacy(hdev)) {
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) {
struct smp_irk *irk;
irk = hci_find_irk_by_addr(hdev, &params->addr,
@@ -812,7 +864,8 @@ static u8 update_white_list(struct hci_request *req)
}
/* White list can not be used with RPAs */
- if (!allow_rpa && !use_ll_privacy(hdev) &&
+ if (!allow_rpa &&
+ !hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) {
return 0x00;
}
@@ -844,12 +897,17 @@ static u8 update_white_list(struct hci_request *req)
return 0x00;
}
- /* Once the controller offloading of advertisement monitor is in place,
- * the if condition should include the support of MSFT extension
- * support. If suspend is ongoing, whitelist should be the default to
- * prevent waking by random advertisements.
+ /* Use the allowlist unless the following conditions are all true:
+ * - We are not currently suspending
+ * - There are 1 or more ADV monitors registered
+ * - Interleaved scanning is not currently using the allowlist
+ *
+ * Once the controller offloading of advertisement monitor is in place,
+ * the above condition should include the support of MSFT extension
+ * support.
*/
- if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended)
+ if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended &&
+ hdev->interleave_scan_state != INTERLEAVE_SCAN_ALLOWLIST)
return 0x00;
/* Select filter policy to use white list */
@@ -1002,6 +1060,11 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
&own_addr_type))
return;
+ if (hdev->enable_advmon_interleave_scan &&
+ __hci_update_interleaved_scan(hdev))
+ return;
+
+ bt_dev_dbg(hdev, "interleave state %d", hdev->interleave_scan_state);
/* Adding or removing entries from the white list must
* happen before enabling scanning. The controller does
* not allow white list modification while scanning.
@@ -1040,22 +1103,23 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
own_addr_type, filter_policy, addr_resolv);
}
-static u8 get_adv_instance_scan_rsp_len(struct hci_dev *hdev, u8 instance)
+static bool adv_instance_is_scannable(struct hci_dev *hdev, u8 instance)
{
struct adv_info *adv_instance;
/* Instance 0x00 always set local name */
if (instance == 0x00)
- return 1;
+ return true;
adv_instance = hci_find_adv_instance(hdev, instance);
if (!adv_instance)
- return 0;
+ return false;
- /* TODO: Take into account the "appearance" and "local-name" flags here.
- * These are currently being ignored as they are not supported.
- */
- return adv_instance->scan_rsp_len;
+ if (adv_instance->flags & MGMT_ADV_FLAG_APPEARANCE ||
+ adv_instance->flags & MGMT_ADV_FLAG_LOCAL_NAME)
+ return true;
+
+ return adv_instance->scan_rsp_len ? true : false;
}
static void hci_req_clear_event_filter(struct hci_request *req)
@@ -1098,6 +1162,11 @@ static void hci_req_set_event_filter(struct hci_request *req)
scan = SCAN_PAGE;
}
+ if (scan)
+ set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
+ else
+ set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
+
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
@@ -1123,9 +1192,9 @@ static void cancel_adv_timeout(struct hci_dev *hdev)
}
/* This function requires the caller holds hdev->lock */
-static void hci_suspend_adv_instances(struct hci_request *req)
+void __hci_req_pause_adv_instances(struct hci_request *req)
{
- bt_dev_dbg(req->hdev, "Suspending advertising instances");
+ bt_dev_dbg(req->hdev, "Pausing advertising instances");
/* Call to disable any advertisements active on the controller.
* This will succeed even if no advertisements are configured.
@@ -1138,7 +1207,7 @@ static void hci_suspend_adv_instances(struct hci_request *req)
}
/* This function requires the caller holds hdev->lock */
-static void hci_resume_adv_instances(struct hci_request *req)
+static void __hci_req_resume_adv_instances(struct hci_request *req)
{
struct adv_info *adv;
@@ -1161,6 +1230,17 @@ static void hci_resume_adv_instances(struct hci_request *req)
}
}
+/* This function requires the caller holds hdev->lock */
+int hci_req_resume_adv_instances(struct hci_dev *hdev)
+{
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+ __hci_req_resume_adv_instances(&req);
+
+ return hci_req_run(&req, NULL);
+}
+
static void suspend_req_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
bt_dev_dbg(hdev, "Request complete opcode=0x%x, status=0x%x", opcode,
@@ -1214,7 +1294,7 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
/* Pause other advertisements */
if (hdev->adv_instance_cnt)
- hci_suspend_adv_instances(&req);
+ __hci_req_pause_adv_instances(&req);
hdev->advertising_paused = true;
hdev->advertising_old_state = old_state;
@@ -1223,8 +1303,10 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &page_scan);
/* Disable LE passive scan if enabled */
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ cancel_interleave_scan(hdev);
hci_req_add_le_scan_disable(&req, false);
+ }
/* Mark task needing completion */
set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
@@ -1279,7 +1361,7 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
/* Resume other advertisements */
if (hdev->adv_instance_cnt)
- hci_resume_adv_instances(&req);
+ __hci_req_resume_adv_instances(&req);
/* Unpause discovery */
hdev->discovery_paused = false;
@@ -1300,23 +1382,9 @@ done:
wake_up(&hdev->suspend_wait_q);
}
-static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
+static bool adv_cur_instance_is_scannable(struct hci_dev *hdev)
{
- u8 instance = hdev->cur_adv_instance;
- struct adv_info *adv_instance;
-
- /* Instance 0x00 always set local name */
- if (instance == 0x00)
- return 1;
-
- adv_instance = hci_find_adv_instance(hdev, instance);
- if (!adv_instance)
- return 0;
-
- /* TODO: Take into account the "appearance" and "local-name" flags here.
- * These are currently being ignored as they are not supported.
- */
- return adv_instance->scan_rsp_len;
+ return adv_instance_is_scannable(hdev, hdev->cur_adv_instance);
}
void __hci_req_disable_advertising(struct hci_request *req)
@@ -1428,6 +1496,7 @@ static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable)
void __hci_req_enable_advertising(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
+ struct adv_info *adv_instance;
struct hci_cp_le_set_adv_param cp;
u8 own_addr_type, enable = 0x01;
bool connectable;
@@ -1435,6 +1504,7 @@ void __hci_req_enable_advertising(struct hci_request *req)
u32 flags;
flags = get_adv_instance_flags(hdev, hdev->cur_adv_instance);
+ adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance);
/* If the "connectable" instance flag was not set, then choose between
* ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
@@ -1466,13 +1536,18 @@ void __hci_req_enable_advertising(struct hci_request *req)
memset(&cp, 0, sizeof(cp));
- if (connectable) {
- cp.type = LE_ADV_IND;
-
+ if (adv_instance) {
+ adv_min_interval = adv_instance->min_interval;
+ adv_max_interval = adv_instance->max_interval;
+ } else {
adv_min_interval = hdev->le_adv_min_interval;
adv_max_interval = hdev->le_adv_max_interval;
+ }
+
+ if (connectable) {
+ cp.type = LE_ADV_IND;
} else {
- if (get_cur_adv_instance_scan_rsp_len(hdev))
+ if (adv_cur_instance_is_scannable(hdev))
cp.type = LE_ADV_SCAN_IND;
else
cp.type = LE_ADV_NONCONN_IND;
@@ -1481,9 +1556,6 @@ void __hci_req_enable_advertising(struct hci_request *req)
hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) {
adv_min_interval = DISCOV_LE_FAST_ADV_INT_MIN;
adv_max_interval = DISCOV_LE_FAST_ADV_INT_MAX;
- } else {
- adv_min_interval = hdev->le_adv_min_interval;
- adv_max_interval = hdev->le_adv_max_interval;
}
}
@@ -1591,14 +1663,11 @@ void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance)
memset(&cp, 0, sizeof(cp));
- /* Extended scan response data doesn't allow a response to be
- * set if the instance isn't scannable.
- */
- if (get_adv_instance_scan_rsp_len(hdev, instance))
+ if (instance)
len = create_instance_scan_rsp_data(hdev, instance,
cp.data);
else
- len = 0;
+ len = create_default_scan_rsp_data(hdev, cp.data);
if (hdev->scan_rsp_data_len == len &&
!memcmp(cp.data, hdev->scan_rsp_data, len))
@@ -1811,7 +1880,7 @@ void hci_req_disable_address_resolution(struct hci_dev *hdev)
static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
- BT_DBG("%s status %u", hdev->name, status);
+ bt_dev_dbg(hdev, "status %u", status);
}
void hci_req_reenable_advertising(struct hci_dev *hdev)
@@ -1848,7 +1917,7 @@ static void adv_timeout_expire(struct work_struct *work)
struct hci_request req;
u8 instance;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
hci_dev_lock(hdev);
@@ -1871,6 +1940,62 @@ unlock:
hci_dev_unlock(hdev);
}
+static int hci_req_add_le_interleaved_scan(struct hci_request *req,
+ unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+ int ret = 0;
+
+ hci_dev_lock(hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(req, false);
+ hci_req_add_le_passive_scan(req);
+
+ switch (hdev->interleave_scan_state) {
+ case INTERLEAVE_SCAN_ALLOWLIST:
+ bt_dev_dbg(hdev, "next state: allowlist");
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
+ break;
+ case INTERLEAVE_SCAN_NO_FILTER:
+ bt_dev_dbg(hdev, "next state: no filter");
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_ALLOWLIST;
+ break;
+ case INTERLEAVE_SCAN_NONE:
+ BT_ERR("unexpected error");
+ ret = -1;
+ }
+
+ hci_dev_unlock(hdev);
+
+ return ret;
+}
+
+static void interleave_scan_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ interleave_scan.work);
+ u8 status;
+ unsigned long timeout;
+
+ if (hdev->interleave_scan_state == INTERLEAVE_SCAN_ALLOWLIST) {
+ timeout = msecs_to_jiffies(hdev->advmon_allowlist_duration);
+ } else if (hdev->interleave_scan_state == INTERLEAVE_SCAN_NO_FILTER) {
+ timeout = msecs_to_jiffies(hdev->advmon_no_filter_duration);
+ } else {
+ bt_dev_err(hdev, "unexpected error");
+ return;
+ }
+
+ hci_req_sync(hdev, hci_req_add_le_interleaved_scan, 0,
+ HCI_CMD_TIMEOUT, &status);
+
+ /* Don't continue interleaving if it was canceled */
+ if (is_interleave_scanning(hdev))
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->interleave_scan, timeout);
+}
+
int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
bool use_rpa, struct adv_info *adv_instance,
u8 *own_addr_type, bdaddr_t *rand_addr)
@@ -2006,9 +2131,15 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
memset(&cp, 0, sizeof(cp));
- /* In ext adv set param interval is 3 octets */
- hci_cpu_to_le24(hdev->le_adv_min_interval, cp.min_interval);
- hci_cpu_to_le24(hdev->le_adv_max_interval, cp.max_interval);
+ if (adv_instance) {
+ hci_cpu_to_le24(adv_instance->min_interval, cp.min_interval);
+ hci_cpu_to_le24(adv_instance->max_interval, cp.max_interval);
+ cp.tx_power = adv_instance->tx_power;
+ } else {
+ hci_cpu_to_le24(hdev->le_adv_min_interval, cp.min_interval);
+ hci_cpu_to_le24(hdev->le_adv_max_interval, cp.max_interval);
+ cp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE;
+ }
secondary_adv = (flags & MGMT_ADV_FLAG_SEC_MASK);
@@ -2017,7 +2148,7 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
cp.evt_properties = cpu_to_le16(LE_EXT_ADV_CONN_IND);
else
cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_IND);
- } else if (get_adv_instance_scan_rsp_len(hdev, instance)) {
+ } else if (adv_instance_is_scannable(hdev, instance)) {
if (secondary_adv)
cp.evt_properties = cpu_to_le16(LE_EXT_ADV_SCAN_IND);
else
@@ -2031,7 +2162,6 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
cp.own_addr_type = own_addr_type;
cp.channel_map = hdev->le_adv_channel_map;
- cp.tx_power = 127;
cp.handle = instance;
if (flags & MGMT_ADV_FLAG_SEC_2M) {
@@ -2332,7 +2462,7 @@ static void set_random_addr(struct hci_request *req, bdaddr_t *rpa)
*/
if (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
hci_lookup_le_connect(hdev)) {
- BT_DBG("Deferring random address update");
+ bt_dev_dbg(hdev, "Deferring random address update");
hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
return;
}
@@ -2557,7 +2687,7 @@ void __hci_req_update_class(struct hci_request *req)
struct hci_dev *hdev = req->hdev;
u8 cod[3];
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
if (!hdev_is_powered(hdev))
return;
@@ -2726,7 +2856,7 @@ void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
static void abort_conn_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
if (status)
- BT_DBG("Failed to abort connection: status 0x%2.2x", status);
+ bt_dev_dbg(hdev, "Failed to abort connection: status 0x%2.2x", status);
}
int hci_abort_conn(struct hci_conn *conn, u8 reason)
@@ -2789,7 +2919,7 @@ static int bredr_inquiry(struct hci_request *req, unsigned long opt)
const u8 liac[3] = { 0x00, 0x8b, 0x9e };
struct hci_cp_inquiry cp;
- BT_DBG("%s", req->hdev->name);
+ bt_dev_dbg(req->hdev, "");
hci_dev_lock(req->hdev);
hci_inquiry_cache_flush(req->hdev);
@@ -2815,7 +2945,7 @@ static void le_scan_disable_work(struct work_struct *work)
le_scan_disable.work);
u8 status;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
return;
@@ -2911,7 +3041,7 @@ static void le_scan_restart_work(struct work_struct *work)
unsigned long timeout, duration, scan_start, now;
u8 status;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
hci_req_sync(hdev, le_scan_restart, 0, HCI_CMD_TIMEOUT, &status);
if (status) {
@@ -2965,14 +3095,16 @@ static int active_scan(struct hci_request *req, unsigned long opt)
bool addr_resolv = false;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "");
/* If controller is scanning, it means the background scanning is
* running. Thus, we should temporarily stop it in order to set the
* discovery scanning parameters.
*/
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
hci_req_add_le_scan_disable(req, false);
+ cancel_interleave_scan(hdev);
+ }
/* All active scans will be done with either a resolvable private
* address (when privacy feature has been enabled) or non-resolvable
@@ -2993,7 +3125,7 @@ static int interleaved_discov(struct hci_request *req, unsigned long opt)
{
int err;
- BT_DBG("%s", req->hdev->name);
+ bt_dev_dbg(req->hdev, "");
err = active_scan(req, opt);
if (err)
@@ -3006,7 +3138,7 @@ static void start_discovery(struct hci_dev *hdev, u8 *status)
{
unsigned long timeout;
- BT_DBG("%s type %u", hdev->name, hdev->discovery.type);
+ bt_de