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| author | Archie Pusaka <apusaka@chromium.org> | 2021-11-25 15:04:36 +0800 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2021-11-25 21:08:19 +0100 |
| commit | ea13aed5e5dfbabd166759aaf9f4af3cb804875a (patch) | |
| tree | db46868297e36a99eade39f8ea551ea548db3bdf | |
| parent | 7978656caf2ad3963fb63797128ec8d71caa2798 (diff) | |
| download | linux-ea13aed5e5dfbabd166759aaf9f4af3cb804875a.tar.gz linux-ea13aed5e5dfbabd166759aaf9f4af3cb804875a.tar.bz2 linux-ea13aed5e5dfbabd166759aaf9f4af3cb804875a.zip | |
Bluetooth: Send device found event on name resolve failure
Introducing NAME_REQUEST_FAILED flag that will be sent together with
device found event on name resolve failure. This will provide the
userspace with an information so it can decide not to resolve the
name for these devices in the future.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/net/bluetooth/mgmt.h | 9 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 11 | ||||
| -rw-r--r-- | net/bluetooth/mgmt.c | 12 |
3 files changed, 19 insertions, 13 deletions
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 23a0524061b7..107b25deae68 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -936,10 +936,11 @@ struct mgmt_ev_auth_failed { __u8 status; } __packed; -#define MGMT_DEV_FOUND_CONFIRM_NAME 0x01 -#define MGMT_DEV_FOUND_LEGACY_PAIRING 0x02 -#define MGMT_DEV_FOUND_NOT_CONNECTABLE 0x04 -#define MGMT_DEV_FOUND_INITIATED_CONN 0x08 +#define MGMT_DEV_FOUND_CONFIRM_NAME 0x01 +#define MGMT_DEV_FOUND_LEGACY_PAIRING 0x02 +#define MGMT_DEV_FOUND_NOT_CONNECTABLE 0x04 +#define MGMT_DEV_FOUND_INITIATED_CONN 0x08 +#define MGMT_DEV_FOUND_NAME_REQUEST_FAILED 0x10 #define MGMT_EV_DEVICE_FOUND 0x0012 struct mgmt_ev_device_found { diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 394d676c9baa..324d376f97d4 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2175,13 +2175,10 @@ static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, return; list_del(&e->list); - if (name) { - e->name_state = NAME_KNOWN; - mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, - e->data.rssi, name, name_len); - } else { - e->name_state = NAME_NOT_KNOWN; - } + + e->name_state = name ? NAME_KNOWN : NAME_NOT_KNOWN; + mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, e->data.rssi, + name, name_len); if (hci_resolve_next_name(hdev)) return; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index f8f74d344297..bf989ae03f9f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -9615,6 +9615,7 @@ void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, struct mgmt_ev_device_found *ev; char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; u16 eir_len; + u32 flags; ev = (struct mgmt_ev_device_found *) buf; @@ -9624,10 +9625,17 @@ void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->addr.type = link_to_bdaddr(link_type, addr_type); ev->rssi = rssi; - eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, - name_len); + if (name) { + eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, + name_len); + flags = 0; + } else { + eir_len = 0; + flags = MGMT_DEV_FOUND_NAME_REQUEST_FAILED; + } ev->eir_len = cpu_to_le16(eir_len); + ev->flags = cpu_to_le32(flags); mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); } |