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authorDaniel Winkler <danielwinkler@google.com>2020-12-03 12:12:48 -0800
committerJohan Hedberg <johan.hedberg@intel.com>2020-12-07 17:01:25 +0200
commit31aab5c22e14c1c10110281d7f74b5e554f731b7 (patch)
tree547bd0481164837988c45662c5e5ff80a62a4845 /net
parentef2862a1db8fedb7860048110ecf6512ab672e10 (diff)
Bluetooth: Add helper to set adv data
We wish to handle advertising data separately from advertising parameters in our new MGMT requests. This change adds a helper that allows the advertising data and scan response to be updated for an existing advertising instance. Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org> Signed-off-by: Daniel Winkler <danielwinkler@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_core.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8cfcf43eb08f..46ec523d96a7 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3006,6 +3006,37 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
}
/* This function requires the caller holds hdev->lock */
+int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
+ u16 adv_data_len, u8 *adv_data,
+ u16 scan_rsp_len, u8 *scan_rsp_data)
+{
+ struct adv_info *adv_instance;
+
+ adv_instance = hci_find_adv_instance(hdev, instance);
+
+ /* If advertisement doesn't exist, we can't modify its data */
+ if (!adv_instance)
+ return -ENOENT;
+
+ if (adv_data_len) {
+ memset(adv_instance->adv_data, 0,
+ sizeof(adv_instance->adv_data));
+ memcpy(adv_instance->adv_data, adv_data, adv_data_len);
+ adv_instance->adv_data_len = adv_data_len;
+ }
+
+ if (scan_rsp_len) {
+ memset(adv_instance->scan_rsp_data, 0,
+ sizeof(adv_instance->scan_rsp_data));
+ memcpy(adv_instance->scan_rsp_data,
+ scan_rsp_data, scan_rsp_len);
+ adv_instance->scan_rsp_len = scan_rsp_len;
+ }
+
+ return 0;
+}
+
+/* This function requires the caller holds hdev->lock */
void hci_adv_monitors_clear(struct hci_dev *hdev)
{
struct adv_monitor *monitor;