Bluetooth: Support the "limited-discoverable" adv flag

This patch adds support for the "limited-discoverable" flag of the
Add Advertising command.

Signed-off-by: Arman Uguray <armansito@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c1804527fa3b..797cf6cf958f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -977,9 +977,15 @@ static u8 create_instance_adv_data(struct hci_dev *hdev, u8 *ptr)
 {
         u8 ad_len = 0, flags = 0;
 
+        /* The Add Advertising command allows userspace to set both the general
+         * and limited discoverable flags.
+         */
         if (hdev->adv_instance.flags & MGMT_ADV_FLAG_DISCOV)
                 flags |= LE_AD_GENERAL;
 
+        if (hdev->adv_instance.flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
+                flags |= LE_AD_LIMITED;
+
         if (flags) {
                 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
                         flags |= LE_AD_NO_BREDR;
@@ -6576,8 +6582,9 @@ static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
         u8 max_len = HCI_MAX_AD_LENGTH;
         int i, cur_len;
         bool flags_managed = false;
+        u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV;
 
-        if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_DISCOV)) {
+        if (is_adv_data && (adv_flags & flags_params)) {
                 flags_managed = true;
                 max_len -= 3;
         }