From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Wed, 27 Oct 2021 16:58:40 -0700
Subject: Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 2
Patch-mainline: v5.17-rc1
Git-commit: cba6b758711cab946c787f7c15be92cc749b8e1f
References: jsc#PED-1407
This make use of hci_cmd_sync_queue for the following MGMT commands:
Add Advertising
Remove Advertising
Add Extended Advertising Parameters
Add Extended Advertising Data
mgmt-tester -s "Add Advertising"
Test Summary
------------
Add Advertising - Failure: LE off Passed
Add Advertising - Invalid Params 1 (AD too long) Passed
Add Advertising - Invalid Params 2 (Malformed len) Passed
Add Advertising - Invalid Params 3 (Malformed len) Passed
Add Advertising - Invalid Params 4 (Malformed len) Passed
Add Advertising - Invalid Params 5 (AD too long) Passed
Add Advertising - Invalid Params 6 (ScRsp too long) Passed
Add Advertising - Invalid Params 7 (Malformed len) Passed
Add Advertising - Invalid Params 8 (Malformed len) Passed
Add Advertising - Invalid Params 9 (Malformed len) Passed
Add Advertising - Invalid Params 10 (ScRsp too long) Passed
Add Advertising - Rejected (Timeout, !Powered) Passed
Add Advertising - Success 1 (Powered, Add Adv Inst) Passed
Add Advertising - Success 2 (!Powered, Add Adv Inst) Passed
Add Advertising - Success 3 (!Powered, Adv Enable) Passed
Add Advertising - Success 4 (Set Adv on override) Passed
Add Advertising - Success 5 (Set Adv off override) Passed
Add Advertising - Success 6 (Scan Rsp Dta, Adv ok) Passed
Add Advertising - Success 7 (Scan Rsp Dta, Scan ok) Passed
Add Advertising - Success 8 (Connectable Flag) Passed
Add Advertising - Success 9 (General Discov Flag) Passed
Add Advertising - Success 10 (Limited Discov Flag) Passed
Add Advertising - Success 11 (Managed Flags) Passed
Add Advertising - Success 12 (TX Power Flag) Passed
Add Advertising - Success 13 (ADV_SCAN_IND) Passed
Add Advertising - Success 14 (ADV_NONCONN_IND) Passed
Add Advertising - Success 15 (ADV_IND) Passed
Add Advertising - Success 16 (Connectable -> on) Passed
Add Advertising - Success 17 (Connectable -> off) Passed
Add Advertising - Success 18 (Power -> off, Remove) Passed
Add Advertising - Success 19 (Power -> off, Keep) Passed
Add Advertising - Success 20 (Add Adv override) Passed
Add Advertising - Success 21 (Timeout expires) Passed
Add Advertising - Success 22 (LE -> off, Remove) Passed
Add Advertising - Success (Empty ScRsp) Passed
Add Advertising - Success (ScRsp only) Passed
Add Advertising - Invalid Params (ScRsp too long) Passed
Add Advertising - Success (ScRsp appear) Passed
Add Advertising - Invalid Params (ScRsp appear long) Passed
Add Advertising - Success (Appear is null) Passed
Add Advertising - Success (Name is null) Passed
Add Advertising - Success (Complete name) Passed
Add Advertising - Success (Shortened name) Passed
Add Advertising - Success (Short name) Passed
Add Advertising - Success (Name + data) Passed
Add Advertising - Invalid Params (Name + data) Passed
Add Advertising - Success (Name+data+appear) Passed
Total: 47, Passed: 47 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 2.17 seconds
mgmt-tester -s "Remove Advertising"
Test Summary
------------
Remove Advertising - Invalid Params 1 Passed
Remove Advertising - Success 1 Passed
Remove Advertising - Success 2 Passed
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0585 seconds
mgmt-tester -s "Ext Adv MGMT Params"
Test Summary:
------------
Ext Adv MGMT Params - Unpowered Passed
Ext Adv MGMT Params - Invalid parameters Passed
Ext Adv MGMT Params - Success Passed
Ext Adv MGMT Params - (5.0) Success Passed
Total: 4, Passed: 4 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0746 seconds
mgmt-tester -s "Ext Adv MGMT -"
Test Summary
------------
Ext Adv MGMT - Data set without Params Passed
Ext Adv MGMT - AD Data (5.0) Invalid parameters Passed
Ext Adv MGMT - AD Data (5.0) Success Passed
Ext Adv MGMT - AD Scan Response (5.0) Success Passed
Total: 4, Passed: 4 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.0805 seconds
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
include/net/bluetooth/bluetooth.h | 2
include/net/bluetooth/hci_sync.h | 20
net/bluetooth/hci_event.c | 57 ++
net/bluetooth/hci_sync.c | 890 ++++++++++++++++++++++++++++++++++++++
net/bluetooth/mgmt.c | 391 ++++++++--------
5 files changed, 1158 insertions(+), 202 deletions(-)
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -380,6 +380,7 @@ typedef void (*hci_req_complete_skb_t)(s
#define HCI_REQ_SKB BIT(1)
struct hci_ctrl {
+ struct sock *sk;
u16 opcode;
u8 req_flags;
u8 req_event;
@@ -405,6 +406,7 @@ struct bt_skb_cb {
#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
#define hci_skb_expect(skb) bt_cb((skb))->expect
#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
+#define hci_skb_sk(skb) bt_cb((skb))->hci.sk
static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
--- a/include/net/bluetooth/hci_sync.h
+++ b/include/net/bluetooth/hci_sync.h
@@ -43,3 +43,23 @@ int hci_cmd_sync_queue(struct hci_dev *h
int hci_update_eir_sync(struct hci_dev *hdev);
int hci_update_class_sync(struct hci_dev *hdev);
+
+int hci_update_eir_sync(struct hci_dev *hdev);
+int hci_update_class_sync(struct hci_dev *hdev);
+
+int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
+ bool rpa, u8 *own_addr_type);
+
+int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
+int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ bool force);
+
+int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
+int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
+int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
+int hci_enable_advertising_sync(struct hci_dev *hdev);
+
+int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
+ u8 instance, bool force);
+int hci_disable_advertising_sync(struct hci_dev *hdev);
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1239,6 +1239,55 @@ static void hci_cc_le_set_adv_set_random
hci_dev_unlock(hdev);
}
+static void hci_cc_le_remove_adv_set(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *)skb->data);
+ u8 *instance;
+ int err;
+
+ if (status)
+ return;
+
+ instance = hci_sent_cmd_data(hdev, HCI_OP_LE_REMOVE_ADV_SET);
+ if (!instance)
+ return;
+
+ hci_dev_lock(hdev);
+
+ err = hci_remove_adv_instance(hdev, *instance);
+ if (!err)
+ mgmt_advertising_removed(hci_skb_sk(hdev->sent_cmd), hdev,
+ *instance);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_clear_adv_sets(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *)skb->data);
+ struct adv_info *adv, *n;
+ int err;
+
+ if (status)
+ return;
+
+ if (!hci_sent_cmd_data(hdev, HCI_OP_LE_CLEAR_ADV_SETS))
+ return;
+
+ hci_dev_lock(hdev);
+
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance = adv->instance;
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(hci_skb_sk(hdev->sent_cmd),
+ hdev, instance);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_cc_le_read_transmit_power(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -3725,6 +3774,14 @@ static void hci_cmd_complete_evt(struct
hci_cc_le_set_adv_set_random_addr(hdev, skb);
break;
+ case HCI_OP_LE_REMOVE_ADV_SET:
+ hci_cc_le_remove_adv_set(hdev, skb);
+ break;
+
+ case HCI_OP_LE_CLEAR_ADV_SETS:
+ hci_cc_le_clear_adv_sets(hdev, skb);
+ break;
+
case HCI_OP_LE_READ_TRANSMIT_POWER:
hci_cc_le_read_transmit_power(hdev, skb);
break;
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -24,6 +24,16 @@ static void hci_cmd_sync_complete(struct
hdev->req_result = result;
hdev->req_status = HCI_REQ_DONE;
+ if (skb) {
+ struct sock *sk = hci_skb_sk(skb);
+
+ /* Drop sk reference if set */
+ if (sk)
+ sock_put(sk);
+
+ hdev->req_skb = skb_get(skb);
+ }
+
wake_up_interruptible(&hdev->req_wait_q);
}
@@ -51,6 +61,14 @@ static struct sk_buff *hci_cmd_sync_allo
hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
hci_skb_opcode(skb) = opcode;
+ /* Grab a reference if command needs to be associated with a sock (e.g.
+ * likely mgmt socket that initiated the command).
+ */
+ if (sk) {
+ hci_skb_sk(skb) = sk;
+ sock_hold(sk);
+ }
+
return skb;
}
@@ -400,3 +418,875 @@ int hci_update_class_sync(struct hci_dev
return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_CLASS_OF_DEV,
sizeof(cod), cod, HCI_CMD_TIMEOUT);
}
+
+static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable)
+{
+ /* If there is no connection we are OK to advertise. */
+ if (hci_conn_num(hdev, LE_LINK) == 0)
+ return true;
+
+ /* Check le_states if there is any connection in peripheral role. */
+ if (hdev->conn_hash.le_num_peripheral > 0) {
+ /* Peripheral connection state and non connectable mode
+ * bit 20.
+ */
+ if (!connectable && !(hdev->le_states[2] & 0x10))
+ return false;
+
+ /* Peripheral connection state and connectable mode bit 38
+ * and scannable bit 21.
+ */
+ if (connectable && (!(hdev->le_states[4] & 0x40) ||
+ !(hdev->le_states[2] & 0x20)))
+ return false;
+ }
+
+ /* Check le_states if there is any connection in central role. */
+ if (hci_conn_num(hdev, LE_LINK) != hdev->conn_hash.le_num_peripheral) {
+ /* Central connection state and non connectable mode bit 18. */
+ if (!connectable && !(hdev->le_states[2] & 0x02))
+ return false;
+
+ /* Central connection state and connectable mode bit 35 and
+ * scannable 19.
+ */
+ if (connectable && (!(hdev->le_states[4] & 0x08) ||
+ !(hdev->le_states[2] & 0x08)))
+ return false;
+ }
+
+ return true;
+}
+
+static bool adv_use_rpa(struct hci_dev *hdev, uint32_t flags)
+{
+ /* If privacy is not enabled don't use RPA */
+ if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
+ return false;
+
+ /* If basic privacy mode is enabled use RPA */
+ if (!hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
+ return true;
+
+ /* If limited privacy mode is enabled don't use RPA if we're
+ * both discoverable and bondable.
+ */
+ if ((flags & MGMT_ADV_FLAG_DISCOV) &&
+ hci_dev_test_flag(hdev, HCI_BONDABLE))
+ return false;
+
+ /* We're neither bondable nor discoverable in the limited
+ * privacy mode, therefore use RPA.
+ */
+ return true;
+}
+
+static int hci_set_random_addr_sync(struct hci_dev *hdev, bdaddr_t *rpa)
+{
+ /* If we're advertising or initiating an LE connection we can't
+ * go ahead and change the random address at this time. This is
+ * because the eventual initiator address used for the
+ * subsequently created connection will be undefined (some
+ * controllers use the new address and others the one we had
+ * when the operation started).
+ *
+ * In this kind of scenario skip the update and let the random
+ * address be updated at the next cycle.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
+ hci_lookup_le_connect(hdev)) {
+ bt_dev_dbg(hdev, "Deferring random address update");
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+ return 0;
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_RANDOM_ADDR,
+ 6, rpa, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
+ bool rpa, u8 *own_addr_type)
+{
+ int err;
+
+ /* If privacy is enabled use a resolvable private address. If
+ * current RPA has expired or there is something else than
+ * the current RPA in use, then generate a new one.
+ */
+ if (rpa) {
+ /* If Controller supports LL Privacy use own address type is
+ * 0x03
+ */
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+ *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED;
+ else
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+
+ /* Check if RPA is valid */
+ if (rpa_valid(hdev))
+ return 0;
+
+ err = smp_generate_rpa(hdev, hdev->irk, &hdev->rpa);
+ if (err < 0) {
+ bt_dev_err(hdev, "failed to generate new RPA");
+ return err;
+ }
+
+ err = hci_set_random_addr_sync(hdev, &hdev->rpa);
+ if (err)
+ return err;
+
+ return 0;
+ }
+
+ /* In case of required privacy without resolvable private address,
+ * use an non-resolvable private address. This is useful for active
+ * scanning and non-connectable advertising.
+ */
+ if (require_privacy) {
+ bdaddr_t nrpa;
+
+ while (true) {
+ /* The non-resolvable private address is generated
+ * from random six bytes with the two most significant
+ * bits cleared.
+ */
+ get_random_bytes(&nrpa, 6);
+ nrpa.b[5] &= 0x3f;
+
+ /* The non-resolvable private address shall not be
+ * equal to the public address.
+ */
+ if (bacmp(&hdev->bdaddr, &nrpa))
+ break;
+ }
+
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+
+ return hci_set_random_addr_sync(hdev, &nrpa);
+ }
+
+ /* If forcing static address is in use or there is no public
+ * address use the static address as random address (but skip
+ * the HCI command if the current random address is already the
+ * static one.
+ *
+ * In case BR/EDR has been disabled on a dual-mode controller
+ * and a static address has been configured, then use that
+ * address instead of the public BR/EDR address.
+ */
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
+ (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+ if (bacmp(&hdev->static_addr, &hdev->random_addr))
+ return hci_set_random_addr_sync(hdev,
+ &hdev->static_addr);
+ return 0;
+ }
+
+ /* Neither privacy nor static address is being used so use a
+ * public address.
+ */
+ *own_addr_type = ADDR_LE_DEV_PUBLIC;
+
+ return 0;
+}
+
+static int hci_disable_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_enable *cp;
+ struct hci_cp_ext_adv_set *set;
+ u8 data[sizeof(*cp) + sizeof(*set) * 1];
+ u8 size;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0) {
+ struct adv_info *adv;
+
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+
+ /* If not enabled there is nothing to do */
+ if (!adv->enabled)
+ return 0;
+ }
+
+ memset(data, 0, sizeof(data));
+
+ cp = (void *)data;
+ set = (void *)cp->data;
+
+ /* Instance 0x00 indicates all advertising instances will be disabled */
+ cp->num_of_sets = !!instance;
+ cp->enable = 0x00;
+
+ set->handle = instance;
+
+ size = sizeof(*cp) + sizeof(*set) * cp->num_of_sets;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE,
+ size, data, HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_adv_set_random_addr_sync(struct hci_dev *hdev, u8 instance,
+ bdaddr_t *random_addr)
+{
+ struct hci_cp_le_set_adv_set_rand_addr cp;
+ int err;
+
+ if (!instance) {
+ /* Instance 0x00 doesn't have an adv_info, instead it uses
+ * hdev->random_addr to track its address so whenever it needs
+ * to be updated this also set the random address since
+ * hdev->random_addr is shared with scan state machine.
+ */
+ err = hci_set_random_addr_sync(hdev, random_addr);
+ if (err)
+ return err;
+ }
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = instance;
+ bacpy(&cp.bdaddr, random_addr);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_SET_RAND_ADDR,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_params cp;
+ bool connectable;
+ u32 flags;
+ bdaddr_t random_addr;
+ u8 own_addr_type;
+ int err;
+ struct adv_info *adv;
+ bool secondary_adv;
+
+ if (instance > 0) {
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+ } else {
+ adv = NULL;
+ }
+
+ /* Updating parameters of an active instance will return a
+ * Command Disallowed error, so we must first disable the
+ * instance if it is active.
+ */
+ if (adv && !adv->pending) {
+ err = hci_disable_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+ }
+
+ flags = hci_adv_instance_flags(hdev, instance);
+
+ /* If the "connectable" instance flag was not set, then choose between
+ * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
+ */
+ connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
+ mgmt_get_connectable(hdev);
+
+ if (!is_advertising_allowed(hdev, connectable))
+ return -EPERM;
+
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ err = hci_get_random_address(hdev, !connectable,
+ adv_use_rpa(hdev, flags), adv,
+ &own_addr_type, &random_addr);
+ if (err < 0)
+ return err;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (adv) {
+ hci_cpu_to_le24(adv->min_interval, cp.min_interval);
+ hci_cpu_to_le24(adv->max_interval, cp.max_interval);
+ cp.tx_power = adv->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);
+
+ if (connectable) {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_CONN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_IND);
+ } else if (hci_adv_instance_is_scannable(hdev, instance) ||
+ (flags & MGMT_ADV_PARAM_SCAN_RSP)) {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_SCAN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_SCAN_IND);
+ } else {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_NON_CONN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_NONCONN_IND);
+ }
+
+ cp.own_addr_type = own_addr_type;
+ cp.channel_map = hdev->le_adv_channel_map;
+ cp.handle = instance;
+
+ if (flags & MGMT_ADV_FLAG_SEC_2M) {
+ cp.primary_phy = HCI_ADV_PHY_1M;
+ cp.secondary_phy = HCI_ADV_PHY_2M;
+ } else if (flags & MGMT_ADV_FLAG_SEC_CODED) {
+ cp.primary_phy = HCI_ADV_PHY_CODED;
+ cp.secondary_phy = HCI_ADV_PHY_CODED;
+ } else {
+ /* In all other cases use 1M */
+ cp.primary_phy = HCI_ADV_PHY_1M;
+ cp.secondary_phy = HCI_ADV_PHY_1M;
+ }
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+
+ if ((own_addr_type == ADDR_LE_DEV_RANDOM ||
+ own_addr_type == ADDR_LE_DEV_RANDOM_RESOLVED) &&
+ bacmp(&random_addr, BDADDR_ANY)) {
+ /* Check if random address need to be updated */
+ if (adv) {
+ if (!bacmp(&random_addr, &adv->random_addr))
+ return 0;
+ } else {
+ if (!bacmp(&random_addr, &hdev->random_addr))
+ return 0;
+ }
+
+ return hci_set_adv_set_random_addr_sync(hdev, instance,
+ &random_addr);
+ }
+
+ return 0;
+}
+
+static int hci_set_ext_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct {
+ struct hci_cp_le_set_ext_scan_rsp_data cp;
+ u8 data[HCI_MAX_EXT_AD_LENGTH];
+ } pdu;
+ u8 len;
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ len = eir_create_scan_rsp(hdev, instance, pdu.data);
+
+ if (hdev->scan_rsp_data_len == len &&
+ !memcmp(pdu.data, hdev->scan_rsp_data, len))
+ return 0;
+
+ memcpy(hdev->scan_rsp_data, pdu.data, len);
+ hdev->scan_rsp_data_len = len;
+
+ pdu.cp.handle = instance;
+ pdu.cp.length = len;
+ pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA,
+ sizeof(pdu.cp) + len, &pdu.cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int __hci_set_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_scan_rsp_data cp;
+ u8 len;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = eir_create_scan_rsp(hdev, instance, cp.data);
+
+ if (hdev->scan_rsp_data_len == len &&
+ !memcmp(cp.data, hdev->scan_rsp_data, len))
+ return 0;
+
+ memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
+ hdev->scan_rsp_data_len = len;
+
+ cp.length = len;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_RSP_DATA,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_set_ext_scan_rsp_data_sync(hdev, instance);
+
+ return __hci_set_scan_rsp_data_sync(hdev, instance);
+}
+
+int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_enable *cp;
+ struct hci_cp_ext_adv_set *set;
+ u8 data[sizeof(*cp) + sizeof(*set) * 1];
+ struct adv_info *adv;
+
+ if (instance > 0) {
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+ /* If already enabled there is nothing to do */
+ if (adv->enabled)
+ return 0;
+ } else {
+ adv = NULL;
+ }
+
+ cp = (void *)data;
+ set = (void *)cp->data;
+
+ memset(cp, 0, sizeof(*cp));
+
+ cp->enable = 0x01;
+ cp->num_of_sets = 0x01;
+
+ memset(set, 0, sizeof(*set));
+
+ set->handle = instance;
+
+ /* Set duration per instance since controller is responsible for
+ * scheduling it.
+ */
+ if (adv && adv->duration) {
+ u16 duration = adv->timeout * MSEC_PER_SEC;
+
+ /* Time = N * 10 ms */
+ set->duration = cpu_to_le16(duration / 10);
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE,
+ sizeof(*cp) +
+ sizeof(*set) * cp->num_of_sets,
+ data, HCI_CMD_TIMEOUT);
+}
+
+int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance)
+{
+ int err;
+
+ err = hci_setup_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+
+ err = hci_set_ext_scan_rsp_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ return hci_enable_ext_advertising_sync(hdev, instance);
+}
+
+static int hci_start_adv_sync(struct hci_dev *hdev, u8 instance)
+{
+ int err;
+
+ if (ext_adv_capable(hdev))
+ return hci_start_ext_adv_sync(hdev, instance);
+
+ err = hci_update_adv_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ err = hci_update_scan_rsp_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ return hci_enable_advertising_sync(hdev);
+}
+
+int hci_enable_advertising_sync(struct hci_dev *hdev)
+{
+ struct adv_info *adv_instance;
+ struct hci_cp_le_set_adv_param cp;
+ u8 own_addr_type, enable = 0x01;
+ bool connectable;
+ u16 adv_min_interval, adv_max_interval;
+ u32 flags;
+ u8 status;
+
+ flags = hci_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.
+ */
+ connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
+ mgmt_get_connectable(hdev);
+
+ if (!is_advertising_allowed(hdev, connectable))
+ return -EINVAL;
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
+ status = hci_disable_advertising_sync(hdev);
+ if (status)
+ return status;
+ }
+
+ /* Clear the HCI_LE_ADV bit temporarily so that the
+ * hci_update_random_address knows that it's safe to go ahead
+ * and write a new random address. The flag will be set back on
+ * as soon as the SET_ADV_ENABLE HCI command completes.
+ */
+ hci_dev_clear_flag(hdev, HCI_LE_ADV);
+
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ status = hci_update_random_address_sync(hdev, !connectable,
+ adv_use_rpa(hdev, flags),
+ &own_addr_type);
+ if (status)
+ return status;
+
+ memset(&cp, 0, sizeof(cp));
+
+ 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 (hci_adv_instance_is_scannable(hdev, hdev->cur_adv_instance))
+ cp.type = LE_ADV_SCAN_IND;
+ else
+ cp.type = LE_ADV_NONCONN_IND;
+
+ if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE) ||
+ 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;
+ }
+ }
+
+ cp.min_interval = cpu_to_le16(adv_min_interval);
+ cp.max_interval = cpu_to_le16(adv_max_interval);
+ cp.own_address_type = own_addr_type;
+ cp.channel_map = hdev->le_adv_channel_map;
+
+ status = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_PARAM,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (status)
+ return status;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
+ sizeof(enable), &enable, HCI_CMD_TIMEOUT);
+}
+
+static int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ struct sock *sk)
+{
+ int err;
+
+ if (!ext_adv_capable(hdev))
+ return 0;
+
+ err = hci_disable_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0 && !hci_find_adv_instance(hdev, instance))
+ return -EINVAL;
+
+ return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_REMOVE_ADV_SET,
+ sizeof(instance), &instance, 0,
+ HCI_CMD_TIMEOUT, sk);
+}
+
+static void cancel_adv_timeout(struct hci_dev *hdev)
+{
+ if (hdev->adv_instance_timeout) {
+ hdev->adv_instance_timeout = 0;
+ cancel_delayed_work(&hdev->adv_instance_expire);
+ }
+}
+
+static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct {
+ struct hci_cp_le_set_ext_adv_data cp;
+ u8 data[HCI_MAX_EXT_AD_LENGTH];
+ } pdu;
+ u8 len;
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ len = eir_create_adv_data(hdev, instance, pdu.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ if (hdev->adv_data_len == len &&
+ memcmp(pdu.data, hdev->adv_data, len) == 0)
+ return 0;
+
+ memcpy(hdev->adv_data, pdu.data, len);
+ hdev->adv_data_len = len;
+
+ pdu.cp.length = len;
+ pdu.cp.handle = instance;
+ pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
+ sizeof(pdu.cp) + len, &pdu.cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = eir_create_adv_data(hdev, instance, cp.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ if (hdev->adv_data_len == len &&
+ memcmp(cp.data, hdev->adv_data, len) == 0)
+ return 0;
+
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+ hdev->adv_data_len = len;
+
+ cp.length = len;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_set_ext_adv_data_sync(hdev, instance);
+
+ return hci_set_adv_data_sync(hdev, instance);
+}
+
+int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ bool force)
+{
+ struct adv_info *adv = NULL;
+ u16 timeout;
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ list_empty(&hdev->adv_instances))
+ return -EPERM;
+
+ if (hdev->adv_instance_timeout)
+ return -EBUSY;
+
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -ENOENT;
+
+ /* A zero timeout means unlimited advertising. As long as there is
+ * only one instance, duration should be ignored. We still set a timeout
+ * in case further instances are being added later on.
+ *
+ * If the remaining lifetime of the instance is more than the duration
+ * then the timeout corresponds to the duration, otherwise it will be
+ * reduced to the remaining instance lifetime.
+ */
+ if (adv->timeout == 0 || adv->duration <= adv->remaining_time)
+ timeout = adv->duration;
+ else
+ timeout = adv->remaining_time;
+
+ /* The remaining time is being reduced unless the instance is being
+ * advertised without time limit.
+ */
+ if (adv->timeout)
+ adv->remaining_time = adv->remaining_time - timeout;
+
+ /* Only use work for scheduling instances with legacy advertising */
+ if (!ext_adv_capable(hdev)) {
+ hdev->adv_instance_timeout = timeout;
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->adv_instance_expire,
+ msecs_to_jiffies(timeout * 1000));
+ }
+
+ /* If we're just re-scheduling the same instance again then do not
+ * execute any HCI commands. This happens when a single instance is
+ * being advertised.
+ */
+ if (!force && hdev->cur_adv_instance == instance &&
+ hci_dev_test_flag(hdev, HCI_LE_ADV))
+ return 0;
+
+ hdev->cur_adv_instance = instance;
+
+ return hci_start_adv_sync(hdev, instance);
+}
+
+static int hci_clear_adv_sets_sync(struct hci_dev *hdev, struct sock *sk)
+{
+ int err;
+
+ if (!ext_adv_capable(hdev))
+ return 0;
+
+ /* Disable instance 0x00 to disable all instances */
+ err = hci_disable_ext_adv_instance_sync(hdev, 0x00);
+ if (err)
+ return err;
+
+ return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_CLEAR_ADV_SETS,
+ 0, NULL, 0, HCI_CMD_TIMEOUT, sk);
+}
+
+static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
+{
+ struct adv_info *adv, *n;
+
+ if (ext_adv_capable(hdev))
+ /* Remove all existing sets */
+ return hci_clear_adv_sets_sync(hdev, sk);
+
+ /* This is safe as long as there is no command send while the lock is
+ * held.
+ */
+ hci_dev_lock(hdev);
+
+ /* Cleanup non-ext instances */
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance = adv->instance;
+ int err;
+
+ if (!(force || adv->timeout))
+ continue;
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(sk, hdev, instance);
+ }
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int hci_remove_adv_sync(struct hci_dev *hdev, u8 instance,
+ struct sock *sk)
+{
+ int err;
+
+ /* If we use extended advertising, instance has to be removed first. */
+ if (ext_adv_capable(hdev))
+ return hci_remove_ext_adv_instance_sync(hdev, instance, sk);
+
+ /* This is safe as long as there is no command send while the lock is
+ * held.
+ */
+ hci_dev_lock(hdev);
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(sk, hdev, instance);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+/* For a single instance:
+ * - force == true: The instance will be removed even when its remaining
+ * lifetime is not zero.
+ * - force == false: the instance will be deactivated but kept stored unless
+ * the remaining lifetime is zero.
+ *
+ * For instance == 0x00:
+ * - force == true: All instances will be removed regardless of their timeout
+ * setting.
+ * - force == false: Only instances that have a timeout will be removed.
+ */
+int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
+ u8 instance, bool force)
+{
+ struct adv_info *next = NULL;
+ int err;
+
+ /* Cancel any timeout concerning the removed instance(s). */
+ if (!instance || hdev->cur_adv_instance == instance)
+ cancel_adv_timeout(hdev);
+
+ /* Get the next instance to advertise BEFORE we remove
+ * the current one. This can be the same instance again
+ * if there is only one instance.
+ */
+ if (hdev->cur_adv_instance == instance)
+ next = hci_get_next_instance(hdev, instance);
+
+ if (!instance) {
+ err = hci_clear_adv_sync(hdev, sk, force);
+ if (err)
+ return err;
+ } else {
+ struct adv_info *adv = hci_find_adv_instance(hdev, instance);
+
+ if (force || (adv && adv->timeout && !adv->remaining_time)) {
+ /* Don't advertise a removed instance. */
+ if (next && next->instance == instance)
+ next = NULL;
+
+ err = hci_remove_adv_sync(hdev, instance, sk);
+ if (err)
+ return err;
+ }
+ }
+
+ if (!hdev_is_powered(hdev) || hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return 0;
+
+ if (next && !ext_adv_capable(hdev))
+ hci_schedule_adv_instance_sync(hdev, next->instance, false);
+
+ return 0;
+}
+
+int hci_disable_advertising_sync(struct hci_dev *hdev)
+{
+ u8 enable = 0x00;
+
+ if (ext_adv_capable(hdev))
+ return hci_disable_ext_adv_instance_sync(hdev, 0x00);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
+ sizeof(enable), &enable, HCI_CMD_TIMEOUT);
+}
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -999,11 +999,22 @@ static void service_cache_off(struct wor
hci_cmd_sync_queue(hdev, service_cache_sync, NULL, NULL);
}
+static int rpa_expired_sync(struct hci_dev *hdev, void *data)
+{
+ /* The generation of a new RPA and programming it into the
+ * controller happens in the hci_req_enable_advertising()
+ * function.
+ */
+ if (ext_adv_capable(hdev))
+ return hci_start_ext_adv_sync(hdev, hdev->cur_adv_instance);
+ else
+ return hci_enable_advertising_sync(hdev);
+}
+
static void rpa_expired(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
rpa_expired.work);
- struct hci_request req;
bt_dev_dbg(hdev, "");
@@ -1012,16 +1023,7 @@ static void rpa_expired(struct work_stru
if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
return;
- /* The generation of a new RPA and programming it into the
- * controller happens in the hci_req_enable_advertising()
- * function.
- */
- hci_req_init(&req, hdev);
- if (ext_adv_capable(hdev))
- __hci_req_start_ext_adv(&req, hdev->cur_adv_instance);
- else
- __hci_req_enable_advertising(&req);
- hci_req_run(&req, NULL);
+ hci_cmd_sync_queue(hdev, rpa_expired_sync, NULL, NULL);
}
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
@@ -7873,58 +7875,66 @@ static bool adv_busy(struct hci_dev *hde
pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev));
}
-static void add_advertising_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void add_adv_complete(struct hci_dev *hdev, struct sock *sk, u8 instance,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_add_advertising *cp;
- struct mgmt_rp_add_advertising rp;
- struct adv_info *adv_instance, *n;
- u8 instance;
+ struct adv_info *adv, *n;
- bt_dev_dbg(hdev, "status %u", status);
+ bt_dev_dbg(hdev, "err %d", err);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
- if (!cmd)
- cmd = pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev);
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance;
- list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
- if (!adv_instance->pending)
+ if (!adv->pending)
continue;
- if (!status) {
- adv_instance->pending = false;
+ if (!err) {
+ adv->pending = false;
continue;
}
- instance = adv_instance->instance;
+ instance = adv->instance;
if (hdev->cur_adv_instance == instance)
cancel_adv_timeout(hdev);
hci_remove_adv_instance(hdev, instance);
- mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
+ mgmt_advertising_removed(sk, hdev, instance);
}
- if (!cmd)
- goto unlock;
+ hci_dev_unlock(hdev);
+}
+
+static void add_advertising_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ memset(&rp, 0, sizeof(rp));
- cp = cmd->param;
rp.instance = cp->instance;
- if (status)
+ if (err)
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status));
+ mgmt_status(err));
else
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status), &rp, sizeof(rp));
+ mgmt_status(err), &rp, sizeof(rp));
- mgmt_pending_remove(cmd);
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
-unlock:
- hci_dev_unlock(hdev);
+ mgmt_pending_free(cmd);
+}
+
+static int add_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
}
static int add_advertising(struct sock *sk, struct hci_dev *hdev,
@@ -7940,7 +7950,6 @@ static int add_advertising(struct sock *
struct adv_info *next_instance;
int err;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
bt_dev_dbg(hdev, "sock %p", sk);
@@ -8048,25 +8057,19 @@ static int add_advertising(struct sock *
/* We're good to go, update advertising data, parameters, and start
* advertising.
*/
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- hci_req_init(&req, hdev);
-
- err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
-
- if (!err)
- err = hci_req_run(&req, add_advertising_complete);
+ cp->instance = schedule_instance;
- if (err < 0) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
- MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
- }
+ err = hci_cmd_sync_queue(hdev, add_advertising_sync, cmd,
+ add_advertising_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);
@@ -8074,30 +8077,25 @@ unlock:
return err;
}
-static void add_ext_adv_params_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void add_ext_adv_params_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_add_ext_adv_params *cp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
struct mgmt_rp_add_ext_adv_params rp;
- struct adv_info *adv_instance;
+ struct adv_info *adv;
u32 flags;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_ADD_EXT_ADV_PARAMS, hdev);
- if (!cmd)
- goto unlock;
-
- cp = cmd->param;
- adv_instance = hci_find_adv_instance(hdev, cp->instance);
- if (!adv_instance)
+ adv = hci_find_adv_instance(hdev, cp->instance);
+ if (!adv)
goto unlock;
rp.instance = cp->instance;
- rp.tx_power = adv_instance->tx_power;
+ rp.tx_power = adv->tx_power;
/* While we're at it, inform userspace of the available space for this
* advertisement, given the flags that will be used.
@@ -8106,39 +8104,44 @@ static void add_ext_adv_params_complete(
rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true);
rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false);
- if (status) {
+ if (err) {
/* If this advertisement was previously advertising and we
* failed to update it, we signal that it has been removed and
* delete its structure
*/
- if (!adv_instance->pending)
+ if (!adv->pending)
mgmt_advertising_removed(cmd->sk, hdev, cp->instance);
hci_remove_adv_instance(hdev, cp->instance);
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status));
-
+ mgmt_status(err));
} else {
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status), &rp, sizeof(rp));
+ mgmt_status(err), &rp, sizeof(rp));
}
unlock:
if (cmd)
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
hci_dev_unlock(hdev);
}
+static int add_ext_adv_params_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
+
+ return hci_setup_ext_adv_instance_sync(hdev, cp->instance);
+}
+
static int add_ext_adv_params(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_cp_add_ext_adv_params *cp = data;
struct mgmt_rp_add_ext_adv_params rp;
struct mgmt_pending_cmd *cmd = NULL;
- struct adv_info *adv_instance;
- struct hci_request req;
u32 flags, min_interval, max_interval;
u16 timeout, duration;
u8 status;
@@ -8220,29 +8223,18 @@ static int add_ext_adv_params(struct soc
/* Submit request for advertising params if ext adv available */
if (ext_adv_capable(hdev)) {
- hci_req_init(&req, hdev);
- adv_instance = hci_find_adv_instance(hdev, cp->instance);
-
- /* Updating parameters of an active instance will return a
- * Command Disallowed error, so we must first disable the
- * instance if it is active.
- */
- if (!adv_instance->pending)
- __hci_req_disable_ext_adv_instance(&req, cp->instance);
-
- __hci_req_setup_ext_adv_instance(&req, cp->instance);
-
- err = hci_req_run(&req, add_ext_adv_params_complete);
-
- if (!err)
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_PARAMS,
- hdev, data, data_len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_PARAMS, hdev,
+ data, data_len);
if (!cmd) {
err = -ENOMEM;
hci_remove_adv_instance(hdev, cp->instance);
goto unlock;
}
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_params_sync, cmd,
+ add_ext_adv_params_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
} else {
rp.instance = cp->instance;
rp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE;
@@ -8259,6 +8251,49 @@ unlock:
return err;
}
+static void add_ext_adv_data_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.instance = cp->instance;
+
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), &rp, sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int add_ext_adv_data_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ int err;
+
+ if (ext_adv_capable(hdev)) {
+ err = hci_update_adv_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ err = hci_update_scan_rsp_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ return hci_enable_ext_advertising_sync(hdev, cp->instance);
+ }
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
+}
+
static int add_ext_adv_data(struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len)
{
@@ -8269,7 +8304,6 @@ static int add_ext_adv_data(struct sock
struct adv_info *adv_instance;
int err = 0;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
BT_DBG("%s", hdev->name);
@@ -8311,78 +8345,52 @@ static int add_ext_adv_data(struct sock
cp->data, cp->scan_rsp_len,
cp->data + cp->adv_data_len);
- /* We're good to go, update advertising data, parameters, and start
- * advertising.
- */
-
- hci_req_init(&req, hdev);
-
- hci_req_add(&req, HCI_OP_READ_LOCAL_NAME, 0, NULL);
-
- if (ext_adv_capable(hdev)) {
- __hci_req_update_adv_data(&req, cp->instance);
- __hci_req_update_scan_rsp_data(&req, cp->instance);
- __hci_req_enable_ext_advertising(&req, cp->instance);
-
- } else {
- /* If using software rotation, determine next instance to use */
-
- if (hdev->cur_adv_instance == cp->instance) {
- /* If the currently advertised instance is being changed
- * then cancel the current advertising and schedule the
- * next instance. If there is only one instance then the
- * overridden advertising data will be visible right
- * away
- */
- cancel_adv_timeout(hdev);
-
- next_instance = hci_get_next_instance(hdev,
- cp->instance);
- if (next_instance)
- schedule_instance = next_instance->instance;
- } else if (!hdev->adv_instance_timeout) {
- /* Immediately advertise the new instance if no other
- * instance is currently being advertised.
- */
- schedule_instance = cp->instance;
- }
+ /* If using software rotation, determine next instance to use */
+ if (hdev->cur_adv_instance == cp->instance) {
+ /* If the currently advertised instance is being changed
+ * then cancel the current advertising and schedule the
+ * next instance. If there is only one instance then the
+ * overridden advertising data will be visible right
+ * away
+ */
+ cancel_adv_timeout(hdev);
- /* If the HCI_ADVERTISING flag is set or there is no instance to
- * be advertised then we have no HCI communication to make.
- * Simply return.
+ next_instance = hci_get_next_instance(hdev, cp->instance);
+ if (next_instance)
+ schedule_instance = next_instance->instance;
+ } else if (!hdev->adv_instance_timeout) {
+ /* Immediately advertise the new instance if no other
+ * instance is currently being advertised.
*/
- if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
- !schedule_instance) {
- if (adv_instance->pending) {
- mgmt_advertising_added(sk, hdev, cp->instance);
- adv_instance->pending = false;
- }
- rp.instance = cp->instance;
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_ADD_EXT_ADV_DATA,
- MGMT_STATUS_SUCCESS, &rp,
- sizeof(rp));
- goto unlock;
- }
+ schedule_instance = cp->instance;
+ }
- err = __hci_req_schedule_adv_instance(&req, schedule_instance,
- true);
+ /* If the HCI_ADVERTISING flag is set or there is no instance to
+ * be advertised then we have no HCI communication to make.
+ * Simply return.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || !schedule_instance) {
+ if (adv_instance->pending) {
+ mgmt_advertising_added(sk, hdev, cp->instance);
+ adv_instance->pending = false;
+ }
+ rp.instance = cp->instance;
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto clear_new_instance;
}
- if (!err)
- err = hci_req_run(&req, add_advertising_complete);
-
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_data_sync, cmd,
+ add_ext_adv_data_complete);
if (err < 0) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
- MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
goto clear_new_instance;
}
@@ -8405,43 +8413,49 @@ unlock:
return err;
}
-static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void remove_advertising_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_remove_advertising *cp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
struct mgmt_rp_remove_advertising rp;
- bt_dev_dbg(hdev, "status %u", status);
+ bt_dev_dbg(hdev, "err %d", err);
- hci_dev_lock(hdev);
+ memset(&rp, 0, sizeof(rp));
+ rp.instance = cp->instance;
- /* A failure status here only means that we failed to disable
- * advertising. Otherwise, the advertising instance has been removed,
- * so report success.
- */
- cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
- if (!cmd)
- goto unlock;
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
- cp = cmd->param;
- rp.instance = cp->instance;
+ mgmt_pending_free(cmd);
+}
- mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
- &rp, sizeof(rp));
- mgmt_pending_remove(cmd);
+static int remove_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
+ int err;
-unlock:
- hci_dev_unlock(hdev);
+ err = hci_remove_advertising_sync(hdev, cmd->sk, cp->instance, true);
+ if (err)
+ return err;
+
+ if (list_empty(&hdev->adv_instances))
+ err = hci_disable_advertising_sync(hdev);
+
+ return err;
}
static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_cp_remove_advertising *cp = data;
- struct mgmt_rp_remove_advertising rp;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
@@ -8476,44 +8490,17 @@ static int remove_advertising(struct soc
goto unlock;
}
- hci_req_init(&req, hdev);
-
- /* If we use extended advertising, instance is disabled and removed */
- if (ext_adv_capable(hdev)) {
- __hci_req_disable_ext_adv_instance(&req, cp->instance);
- __hci_req_remove_ext_adv_instance(&req, cp->instance);
- }
-
- hci_req_clear_adv_instance(hdev, sk, &req, cp->instance, true);
-
- if (list_empty(&hdev->adv_instances))
- __hci_req_disable_advertising(&req);
-
- /* If no HCI commands have been collected so far or the HCI_ADVERTISING
- * flag is set or the device isn't powered then we have no HCI
- * communication to make. Simply return.
- */
- if (skb_queue_empty(&req.cmd_q) ||
- !hdev_is_powered(hdev) ||
- hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
- hci_req_purge(&req);
- rp.instance = cp->instance;
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_REMOVE_ADVERTISING,
- MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
- goto unlock;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- err = hci_req_run(&req, remove_advertising_complete);
+ err = hci_cmd_sync_queue(hdev, remove_advertising_sync, cmd,
+ remove_advertising_complete);
if (err < 0)
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);