Soft reminder. > -----Original Message----- > From: linux-bluetooth-owner@xxxxxxxxxxxxxxx [mailto:linux-bluetooth- > owner@xxxxxxxxxxxxxxx] On Behalf Of Bharat Bhusan Panda > Sent: Tuesday, October 30, 2018 3:55 PM > To: linux-bluetooth@xxxxxxxxxxxxxxx > Subject: [PATCH v2] Bluetooth: Support fast advertising interval > > Changes made to add support for fast advertising interval as per core 4.1 > specification, section 9.3.11.2. > > A peripheral device entering any of the following GAP modes and sending either > non-connectable advertising events or scannable undirected advertising events > should use adv_fast_interval2(100ms - 150ms) for adv_fast_period(30s). > - Non-Discoverable Mode > - Non-Connectable Mode > - Limited Discoverable Mode > - General Discoverable Mode > > Signed-off-by: Bharat Bhusan Panda <bharat.b.panda@xxxxxxxxx> > --- > include/net/bluetooth/hci_core.h | 2 ++ > net/bluetooth/hci_request.c | 27 +++++++++++++++++++++++++++ > 2 files changed, 29 insertions(+) > > diff --git a/include/net/bluetooth/hci_core.h > b/include/net/bluetooth/hci_core.h > index 0db1b9b..868c2fb 100644 > --- a/include/net/bluetooth/hci_core.h > +++ b/include/net/bluetooth/hci_core.h > @@ -1491,6 +1491,8 @@ struct hci_mgmt_chan { > #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 > #define DISCOV_BREDR_INQUIRY_LEN 0x08 > #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* > msec */ > +#define DISCOV_LE_FAST_ADV_INT_MIN 100 /* msec */ > +#define DISCOV_LE_FAST_ADV_INT_MAX 150 /* msec */ > > void mgmt_fill_version_info(void *ver); int mgmt_new_settings(struct hci_dev > *hdev); diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c > index e8c9ef1..fe43498 100644 > --- a/net/bluetooth/hci_request.c > +++ b/net/bluetooth/hci_request.c > @@ -1092,6 +1092,33 @@ void __hci_req_enable_advertising(struct > hci_request *req) > else > cp.type = LE_ADV_NONCONN_IND; > > + /* As per core 4.1 spec, section 9.3.11.2: A peripheral device > + * entering any of the following GAP modes and sending either > + * non-connectable advertising events or scannable undirected > + * advertising events should use adv_fast_interval2(100ms - 150ms) > + * for adv_fast_period(30s). > + * > + * - Non-Discoverable Mode > + * - Non-Connectable Mode > + * - Limited Discoverable Mode > + * - General Discoverable Mode > + */ > + if (cp.type == LE_ADV_NONCONN_IND || cp.type == > LE_ADV_SCAN_IND) { > + /* Set the suggested min and max fast advertising interval, > + * only if the peripheral device has entered any of the modes > + * such as non-discoverable, non-connectable or limited- > + * discoverable. > + */ > + if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE) || > + !hci_dev_test_flag(hdev, HCI_CONNECTABLE) || > + hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) > { > + cp.min_interval = > + cpu_to_le16(DISCOV_LE_FAST_ADV_INT_MIN); > + cp.max_interval = > + > cpu_to_le16(DISCOV_LE_FAST_ADV_INT_MAX); > + } > + } > + > cp.own_address_type = own_addr_type; > cp.channel_map = hdev->le_adv_channel_map; > > -- > 1.9.1
