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Bluetooth: Factor appending EIR to separate helper

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This will also be used for Extended Information Event handling.

Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl>
Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Michał Narajowski 2016-09-19 20:25:53 +02:00 committed by Marcel Holtmann
parent 7d5c11da1f
commit cde7a863d3
1 changed files with 22 additions and 13 deletions
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35
net/bluetooth/mgmt.c
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@ -878,13 +878,32 @@ static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
return eir_len;
}
static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir)
{
u16 eir_len = 0;
size_t name_len;
if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
eir_len = eir_append_data(eir, eir_len, EIR_CLASS_OF_DEV,
hdev->dev_class, 3);
name_len = strlen(hdev->dev_name);
eir_len = eir_append_data(eir, eir_len, EIR_NAME_COMPLETE,
hdev->dev_name, name_len);
name_len = strlen(hdev->short_name);
eir_len = eir_append_data(eir, eir_len, EIR_NAME_SHORT,
hdev->short_name, name_len);
return eir_len;
}
static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
char buf[512];
struct mgmt_rp_read_ext_info *rp = (void *)buf;
u16 eir_len = 0;
size_t name_len;
u16 eir_len;
BT_DBG("sock %p %s", sk, hdev->name);
@ -900,18 +919,8 @@ static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
rp->supported_settings = cpu_to_le32(get_supported_settings(hdev));
rp->current_settings = cpu_to_le32(get_current_settings(hdev));
if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
eir_len = eir_append_data(rp->eir, eir_len, EIR_CLASS_OF_DEV,
hdev->dev_class, 3);
name_len = strlen(hdev->dev_name);
eir_len = eir_append_data(rp->eir, eir_len, EIR_NAME_COMPLETE,
hdev->dev_name, name_len);
name_len = strlen(hdev->short_name);
eir_len = eir_append_data(rp->eir, eir_len, EIR_NAME_SHORT,
hdev->short_name, name_len);
eir_len = append_eir_data_to_buf(hdev, rp->eir);
rp->eir_len = cpu_to_le16(eir_len);
hci_dev_unlock(hdev);