From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 9 Jul 2015 17:32:47 +0200 Message-ID: Subject: Re: Advertising api, bluez sends empty scan response From: dogan yazar To: Luiz Augusto von Dentz Cc: "linux-bluetooth@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: And this is the output from the bluetoothd after I run example-advertisement> bluetoothd[2456]: src/advertising.c:register_advertisement() RegisterAdvertisement bluetoothd[2456]: src/advertising.c:advertisement_create() Adding proxy for /org/bluez/example/advertisement0 bluetoothd[2456]: src/advertising.c:register_advertisement() Registered advertisement at path /org/bluez/example/advertisement0 bluetoothd[2456]: src/advertising.c:parse_advertising_service_uuids() Adding ServiceUUID: 180D bluetoothd[2456]: src/advertising.c:parse_advertising_service_uuids() Adding ServiceUUID: 180F bluetoothd[2456]: src/advertising.c:parse_advertising_manufacturer_data() Adding ManufacturerData for ffff bluetoothd[2456]: src/advertising.c:parse_advertising_service_data() Adding ServiceData for 9999 bluetoothd[2456]: src/advertising.c:refresh_advertisement() Refreshing advertisement: /org/bluez/example/advertisement0 bluetoothd[2456]: src/advertising.c:add_advertising_callback() Advertisement registered: /org/bluez/example/advertisement0 On Thu, Jul 9, 2015 at 5:20 PM, dogan yazar wrote: > Hi Luiz, > > I tried with 2 BT 4.0 dongles both of which have the same problem. And > instead of running example-advertisement, if I run the following > commands 2 commands manually, it works fine and I can discover and > connect to my device: > hcitool -i hci0 cmd 0x08 0x0008 3 02 01 05 > hciconfig hci0 leadv > > So I only have problem with the dbus advertising api. Copying the > commands and output from btmon below. example-advertisement does not > seem to set and advertisement data at all. > > > //Run example-advertisement > > < HCI Command: LE Set Advertise Enable (0x08|0x000a) plen 1 > [hci0] 7.258091 > Advertising: Disabled (0x00) >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 7.259431 > LE Set Advertise Enable (0x08|0x000a) ncmd 1 > Status: Success (0x00) > < HCI Command: LE Set Advertising Parameters (0x08|0x0006) plen 15 > [hci0] 7.259540 > Min advertising interval: 1280.000 msec (0x0800) > Max advertising interval: 1280.000 msec (0x0800) > Type: Connectable undirected - ADV_IND (0x00) > Own address type: Public (0x00) > Direct address type: Public (0x00) > Direct address: 00:00:00:00:00:00 (OUI 00-00-00) > Channel map: 37, 38, 39 (0x07) > Filter policy: Allow Scan Request from Any, Allow Connect > Request from Any (0x00) >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 7.260346 > LE Set Advertising Parameters (0x08|0x0006) ncmd 1 > Status: Success (0x00) > < HCI Command: LE Set Advertise Enable (0x08|0x000a) plen 1 > [hci0] 7.260444 > Advertising: Enabled (0x01) >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 7.261344 > LE Set Advertise Enable (0x08|0x000a) ncmd 1 > Status: Success (0x00) > > > > > > //hcitool -i hci0 cmd 0x08 0x0008 3 02 01 05 > > < HCI Command: LE Set Advertising Data (0x08|0x0008) plen 4 > [hci0] 288.328182 > invalid packet size > 03 02 01 05 .... >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 288.329444 > LE Set Advertising Data (0x08|0x0008) ncmd 1 > Status: Success (0x00) > > > > > //hciconfig hci0 leadv > > < HCI Command: LE Set Advertising Parameters (0x08|0x0006) plen 15 > [hci0] 343.872012 > Min advertising interval: 1280.000 msec (0x0800) > Max advertising interval: 1280.000 msec (0x0800) > Type: Connectable undirected - ADV_IND (0x00) > Own address type: Public (0x00) > Direct address type: Public (0x00) > Direct address: 00:00:00:00:00:00 (OUI 00-00-00) > Channel map: 37, 38, 39 (0x07) > Filter policy: Allow Scan Request from Any, Allow Connect > Request from Any (0x00) >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 343.872852 > LE Set Advertising Parameters (0x08|0x0006) ncmd 1 > Status: Success (0x00) > < HCI Command: LE Set Advertise Enable (0x08|0x000a) plen 1 > [hci0] 343.880238 > Advertising: Enabled (0x01) >> HCI Event: Command Complete (0x0e) plen 4 [hci0] 343.880842 > LE Set Advertise Enable (0x08|0x000a) ncmd 1 > Status: Success (0x00) > > On Thu, Jul 9, 2015 at 2:45 PM, Luiz Augusto von Dentz > wrote: >> Hi, >> >> On Thu, Jul 9, 2015 at 3:15 PM, dogan yazar wrote: >>> Hello, >>> I am using Bluez 5.32 on kernel 4.1. >>> >>> When I run advertisement-example, bluez successfully sends >>> advertisement but then as an answer to scan request it sends an empty >>> scan response. >>> >>> Any idea what can be the problem? >> >> Could you please add the trace, iirc BlueZ only set the scan data so >> it is up to the controller to generate the scan response not the host >> stack so perhaps there is something wrong with your controller. >> >> >> -- >> Luiz Augusto von Dentz