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Bluetooth: Remove advertising cache
User-space pass the remote device address type to kernel through struct sockaddr_l2 what makes the advertising useless. This patch removes all advertising cache code. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -255,9 +255,6 @@ struct hci_dev {
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struct list_head remote_oob_data;
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struct list_head remote_oob_data;
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struct list_head adv_entries;
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struct delayed_work adv_work;
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struct hci_dev_stats stat;
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struct hci_dev_stats stat;
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struct sk_buff_head driver_init;
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struct sk_buff_head driver_init;
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@ -692,12 +689,6 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
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u8 *randomizer);
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u8 *randomizer);
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int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
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int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
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#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
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int hci_adv_entries_clear(struct hci_dev *hdev);
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struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
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int hci_add_adv_entry(struct hci_dev *hdev,
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struct hci_ev_le_advertising_info *ev);
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void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
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void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
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int hci_recv_frame(struct sk_buff *skb);
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int hci_recv_frame(struct sk_buff *skb);
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@ -1521,75 +1521,6 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
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return mgmt_device_unblocked(hdev, bdaddr, type);
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return mgmt_device_unblocked(hdev, bdaddr, type);
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}
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}
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static void hci_clear_adv_cache(struct work_struct *work)
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{
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struct hci_dev *hdev = container_of(work, struct hci_dev,
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adv_work.work);
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hci_dev_lock(hdev);
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hci_adv_entries_clear(hdev);
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hci_dev_unlock(hdev);
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}
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int hci_adv_entries_clear(struct hci_dev *hdev)
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{
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struct adv_entry *entry, *tmp;
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list_for_each_entry_safe(entry, tmp, &hdev->adv_entries, list) {
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list_del(&entry->list);
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kfree(entry);
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}
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BT_DBG("%s adv cache cleared", hdev->name);
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return 0;
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}
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struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr)
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{
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struct adv_entry *entry;
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list_for_each_entry(entry, &hdev->adv_entries, list)
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if (bacmp(bdaddr, &entry->bdaddr) == 0)
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return entry;
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return NULL;
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}
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static inline int is_connectable_adv(u8 evt_type)
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{
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if (evt_type == ADV_IND || evt_type == ADV_DIRECT_IND)
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return 1;
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return 0;
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}
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int hci_add_adv_entry(struct hci_dev *hdev,
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struct hci_ev_le_advertising_info *ev) { struct adv_entry *entry; if (!is_connectable_adv(ev->evt_type))
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return -EINVAL;
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/* Only new entries should be added to adv_entries. So, if
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* bdaddr was found, don't add it. */
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if (hci_find_adv_entry(hdev, &ev->bdaddr))
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return 0;
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entry = kzalloc(sizeof(*entry), GFP_KERNEL);
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if (!entry)
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return -ENOMEM;
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bacpy(&entry->bdaddr, &ev->bdaddr);
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entry->bdaddr_type = ev->bdaddr_type;
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list_add(&entry->list, &hdev->adv_entries);
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BT_DBG("%s adv entry added: address %s type %u", hdev->name,
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batostr(&entry->bdaddr), entry->bdaddr_type);
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return 0;
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}
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static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt)
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static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt)
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{
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{
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struct le_scan_params *param = (struct le_scan_params *) opt;
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struct le_scan_params *param = (struct le_scan_params *) opt;
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@ -1735,7 +1666,6 @@ struct hci_dev *hci_alloc_dev(void)
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INIT_LIST_HEAD(&hdev->link_keys);
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INIT_LIST_HEAD(&hdev->link_keys);
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INIT_LIST_HEAD(&hdev->long_term_keys);
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INIT_LIST_HEAD(&hdev->long_term_keys);
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INIT_LIST_HEAD(&hdev->remote_oob_data);
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INIT_LIST_HEAD(&hdev->remote_oob_data);
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INIT_LIST_HEAD(&hdev->adv_entries);
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INIT_WORK(&hdev->rx_work, hci_rx_work);
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INIT_WORK(&hdev->rx_work, hci_rx_work);
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INIT_WORK(&hdev->cmd_work, hci_cmd_work);
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INIT_WORK(&hdev->cmd_work, hci_cmd_work);
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@ -1743,7 +1673,6 @@ struct hci_dev *hci_alloc_dev(void)
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INIT_WORK(&hdev->power_on, hci_power_on);
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INIT_WORK(&hdev->power_on, hci_power_on);
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INIT_WORK(&hdev->le_scan, le_scan_work);
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INIT_WORK(&hdev->le_scan, le_scan_work);
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INIT_DELAYED_WORK(&hdev->adv_work, hci_clear_adv_cache);
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INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
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INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
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INIT_DELAYED_WORK(&hdev->discov_off, hci_discov_off);
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INIT_DELAYED_WORK(&hdev->discov_off, hci_discov_off);
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INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
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INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
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@ -1889,8 +1818,6 @@ void hci_unregister_dev(struct hci_dev *hdev)
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hci_del_sysfs(hdev);
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hci_del_sysfs(hdev);
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cancel_delayed_work_sync(&hdev->adv_work);
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destroy_workqueue(hdev->workqueue);
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destroy_workqueue(hdev->workqueue);
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hci_dev_lock(hdev);
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hci_dev_lock(hdev);
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@ -1899,7 +1826,6 @@ void hci_unregister_dev(struct hci_dev *hdev)
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hci_link_keys_clear(hdev);
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hci_link_keys_clear(hdev);
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hci_smp_ltks_clear(hdev);
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hci_smp_ltks_clear(hdev);
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hci_remote_oob_data_clear(hdev);
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hci_remote_oob_data_clear(hdev);
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hci_adv_entries_clear(hdev);
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hci_dev_unlock(hdev);
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hci_dev_unlock(hdev);
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hci_dev_put(hdev);
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hci_dev_put(hdev);
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@ -1100,10 +1100,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
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set_bit(HCI_LE_SCAN, &hdev->dev_flags);
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set_bit(HCI_LE_SCAN, &hdev->dev_flags);
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cancel_delayed_work_sync(&hdev->adv_work);
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hci_dev_lock(hdev);
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hci_dev_lock(hdev);
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hci_adv_entries_clear(hdev);
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hci_discovery_set_state(hdev, DISCOVERY_FINDING);
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hci_discovery_set_state(hdev, DISCOVERY_FINDING);
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hci_dev_unlock(hdev);
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hci_dev_unlock(hdev);
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break;
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break;
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@ -1118,8 +1115,6 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
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clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
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clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
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schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT);
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if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
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if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
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hdev->discovery.state == DISCOVERY_FINDING) {
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hdev->discovery.state == DISCOVERY_FINDING) {
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mgmt_interleaved_discovery(hdev);
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mgmt_interleaved_discovery(hdev);
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@ -3353,8 +3348,6 @@ static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
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while (num_reports--) {
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while (num_reports--) {
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struct hci_ev_le_advertising_info *ev = ptr;
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struct hci_ev_le_advertising_info *ev = ptr;
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hci_add_adv_entry(hdev, ev);
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rssi = ev->data[ev->length];
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rssi = ev->data[ev->length];
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mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
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mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
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NULL, rssi, 0, 1, ev->data, ev->length);
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NULL, rssi, 0, 1, ev->data, ev->length);
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