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Fri, 23 Nov 2018 02:52:26 -0800 Received: from bgsmsx110.gar.corp.intel.com ([169.254.11.69]) by BGSMSX108.gar.corp.intel.com ([169.254.8.68]) with mapi id 14.03.0415.000; Fri, 23 Nov 2018 16:22:23 +0530 From: "Panda, Bharat B" To: "linux-bluetooth@vger.kernel.org" , 'Marcel Holtmann' Subject: RE: [PATCH v2] Bluetooth: Support fast advertising interval Thread-Topic: [PATCH v2] Bluetooth: Support fast advertising interval Thread-Index: AQHUcDiPVg5fEVUUwE2S8+QBit+So6VNffoggA/WwHA= Date: Fri, 23 Nov 2018 10:52:22 +0000 Message-ID: References: <1540895076-6046-1-git-send-email-bharat.b.panda@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNzdlYzQyMjUtYzFmNy00YjQ3LWE2MGItN2UwODMyYmMzY2Y4IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoieTVsek95M0h3a2tTbFVuaGNSSnp5dmwxTm1kNjBJc1NobXlpc0NKZWZQQWxqSmZESzhxMkc2UzlBbXFWSmpIdiJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.223.10.10] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Ping > -----Original Message----- > From: Panda, Bharat B > Sent: Tuesday, November 13, 2018 2:31 PM > To: linux-bluetooth@vger.kernel.org; 'Marcel Holtmann' > > Cc: Panda, Bharat B > Subject: RE: [PATCH v2] Bluetooth: Support fast advertising interval > > Soft reminder. > > > -----Original Message----- > > From: linux-bluetooth-owner@vger.kernel.org [mailto:linux-bluetooth- > > owner@vger.kernel.org] On Behalf Of Bharat Bhusan Panda > > Sent: Tuesday, October 30, 2018 3:55 PM > > To: linux-bluetooth@vger.kernel.org > > 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 > > --- > > 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