Bluetooth: Add support for Local OOB Extended Data Update events
When a different user requests a new set of local out-of-band data, then inform all previous users that the data has been updated. To limit the scope of users, the updates are limited to previous users. If a user has never requested out-of-band data, it will also not see the update. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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5425f98e86
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@ -186,6 +186,7 @@ enum {
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HCI_MGMT_UNCONF_INDEX_EVENTS,
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HCI_MGMT_UNCONF_INDEX_EVENTS,
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HCI_MGMT_EXT_INDEX_EVENTS,
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HCI_MGMT_EXT_INDEX_EVENTS,
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HCI_MGMT_GENERIC_EVENTS,
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HCI_MGMT_GENERIC_EVENTS,
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HCI_MGMT_OOB_DATA_EVENTS,
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};
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};
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/*
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/*
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@ -735,3 +735,10 @@ struct mgmt_ev_ext_index {
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#define MGMT_EV_EXT_INDEX_ADDED 0x0020
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#define MGMT_EV_EXT_INDEX_ADDED 0x0020
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#define MGMT_EV_EXT_INDEX_REMOVED 0x0021
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#define MGMT_EV_EXT_INDEX_REMOVED 0x0021
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#define MGMT_EV_LOCAL_OOB_DATA_UPDATED 0x0022
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struct mgmt_ev_local_oob_data_updated {
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__u8 type;
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__le16 eir_len;
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__u8 eir[0];
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} __packed;
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@ -133,6 +133,7 @@ static const u16 mgmt_events[] = {
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MGMT_EV_NEW_CONFIG_OPTIONS,
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MGMT_EV_NEW_CONFIG_OPTIONS,
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MGMT_EV_EXT_INDEX_ADDED,
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MGMT_EV_EXT_INDEX_ADDED,
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MGMT_EV_EXT_INDEX_REMOVED,
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MGMT_EV_EXT_INDEX_REMOVED,
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MGMT_EV_LOCAL_OOB_DATA_UPDATED,
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};
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};
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#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
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#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
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@ -262,6 +263,13 @@ static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
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flag, NULL);
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flag, NULL);
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}
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}
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static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
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u16 len, int flag, struct sock *skip_sk)
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{
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return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
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flag, skip_sk);
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}
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static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
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static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
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u16 len, struct sock *skip_sk)
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u16 len, struct sock *skip_sk)
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{
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{
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@ -6387,8 +6395,16 @@ static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
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hci_dev_unlock(hdev);
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hci_dev_unlock(hdev);
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hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
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err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
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err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
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MGMT_STATUS_SUCCESS, rp, sizeof(*rp) + eir_len);
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MGMT_STATUS_SUCCESS, rp, sizeof(*rp) + eir_len);
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if (err < 0)
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goto done;
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err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
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rp, sizeof(*rp) + eir_len,
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HCI_MGMT_OOB_DATA_EVENTS, sk);
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done:
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done:
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kfree(rp);
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kfree(rp);
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