Hi Anyone with ideas? Or hints whether it's driver or wpa_supplicant related? Thanks David On Fri, Dec 6, 2013 at 11:18 AM, David Herrmann <dh.herrmann@xxxxxxxxx> wrote: > Hi > > I am currently working on user-space helpers for P2P setup as part of > an Open-Source Miracast implementation (openwfd). I can set up a > P2P-group with my Android test-device just fine, however, it only > works if initiated by the GNU/Linux host. Once I initiate the > p2p-connect from the Android device, it creates a group and sends me a > p2p-invitation which I am unable to accept. > > I am running wpa_supplicant-git from today (but also tried older > versions), ath9k-htc from linus-git (3.13-rc2) and the relevant log > files are appended. > > My wpa-config is: > ctrl_interface=/var/run/wpa_supplicant > update_config=1 > p2p_go_ht40=1 > > And I do nothing else than open wpa_cli and run: > p2p_find > p2p_connect <peer> pbc > > This works perfectly well if I don't touch the Android device before > issuing the p2p_connect. However, if I initiate the first connect on > the Android device, my linux host gets a p2p-invitation: > <3>P2P-INVITATION-RECEIVED sa=12:68:3f:4e:39:f2 > go_dev_addr=12:68:3f:4e:39:f2 bssid=12:68:3f:4e:b9:f2 unknown-network > > I tried accepting this invitation via p2p_connect, but just nothing > happens. I also tried any combination of arguments > (auth/join/persistent, pbc/pin/PIN#, playing with go_intent=), didn't > help.. > > Looking at the wpa-log, I see a timeout firing repeatedly: > P2P: GO Negotiation Request TX callback: success=1 > P2P: State CONNECT -> CONNECT > P2P: Set timeout (state=CONNECT): 0.500000 sec > P2P: Timeout (state=CONNECT) > Below you can see the whole sequence of wpa-messages that repeat over > and over again until I cancel the connection-request. > > For WFD I need to initiate the connect from the Android device, > otherwise their WFD stack won't recognize the connection. So if anyone > has hints what might be wrong here, I'd gladly try out any patches or > configurations. > I cannot test whether this happens with other drivers, too, as I > couldn't get my hands on a device other than ath9k-htc which supports > p2p on linux. > > If anyone is interested, I'll be presenting OpenWFD at FOSDEM in the > graphics-devroom. It would be awesome if I can get my Nexus-4 as a > working demo until then. Otherwise, it'll be just linux<->linux demos > (non-android), which is already working fine. > > Any hints welcome! > David > > > The repeating log-messages from wpa-supplicant are (see attached file > for the whole log): > > Off-channel: Action frame sequence done notification > nl80211: Cancel TX frame wait: cookie=0xffff88008fddae00 > nl80211: wait cancel failed: ret=-2 (No such file or directory) > P2P: State CONNECT -> CONNECT_LISTEN > P2P: Starting short listen state (state=CONNECT_LISTEN) > WPS: * Version (hardcoded 0x10) > P2P: WPS IE Device Password ID: 4 > WPS: * UUID-E > P2P: * P2P IE header > P2P: * Capability dev=25 group=00 > P2P: * Device Info > nl80211: Probe Request reporting already on! > nl_preq=0x888888888ab37c09 > nl80211: Remain-on-channel cookie 0xa7 for freq=2437 MHz duration=204 > nl80211: Drv Event 55 (NL80211_CMD_REMAIN_ON_CHANNEL) received for wlan1 > nl80211: Remain-on-channel event (cancel=0 freq=2437 channel_type=0 > duration=204 cookie=0xa7 (match)) > wlan1: Event REMAIN_ON_CHANNEL (22) received > Off-channel: Send Action callback (without_roc=0 > pending_action_tx=(nil)) > P2P: Starting Listen timeout(0,204800) on freq=2437 based on callback > P2P: Set timeout (state=CONNECT_LISTEN): 0.224800 sec > nl80211: Drv Event 56 (NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL) received > for wlan1 > nl80211: Remain-on-channel event (cancel=1 freq=2437 channel_type=0 > duration=0 cookie=0xa7 (match)) > wlan1: Event CANCEL_REMAIN_ON_CHANNEL (23) received > P2P: Cancel remain-on-channel callback (p2p_long_listen=0 ms > pending_action_tx=(nil)) > P2P: Driver ended Listen state (freq=2437) > P2P: Skip stop_listen since not in listen_only state. > P2P: Timeout (state=CONNECT_LISTEN) > P2P: State CONNECT_LISTEN -> CONNECT > P2P: * Dialog Token: 1 > P2P: * P2P IE header > P2P: * Capability dev=25 group=08 > P2P: * GO Intent: Intent 7 Tie breaker 0 > P2P: * Configuration Timeout: GO 255 (*10ms) client 20 (*10ms) > P2P: * Listen Channel: Regulatory Class 81 Channel 6 > P2P: * Intended P2P Interface Address 12:6f:3f:7a:7c:24 > P2P: * Channel List - hexdump(len=16): 58 58 04 51 0b 01 02 03 04 05 > 06 07 08 09 0a 0b > P2P: * Device Info > P2P: * Operating Channel: Regulatory Class 81 Channel 6 > WPS: * Version (hardcoded 0x10) > P2P: WPS IE Device Password ID: 4 > P2P: Sending GO Negotiation Request > P2P: State CONNECT -> CONNECT > Off-channel: Send action frame: freq=2437 dst=12:68:3f:4e:39:f2 > src=10:6f:3f:7a:7c:24 bssid=12:68:3f:4e:39:f2 len=113 > nl80211: Send Action frame (ifindex=14, freq=2437 MHz wait=500 ms > no_cck=1) > nl80211: Drv Event 60 (NL80211_CMD_FRAME_TX_STATUS) received for wlan1 > nl80211: Frame TX status event > nl80211: Action TX status: cookie=0ffff88008fddb100 (match) (ack=1) > wlan1: Event TX_STATUS (18) received > wlan1: EVENT_TX_STATUS dst=12:68:3f:4e:39:f2 type=0 stype=13 > Off-channel: Delete matching pending action frame > Off-channel: TX status result=0 cb=0x42eaf0 > P2P: Action frame TX callback (state=1 freq=2437 dst=12:68:3f:4e:39:f2 > src=10:6f:3f:7a:7c:24 bssid=12:68:3f:4e:39:f2 result=0 > P2P: GO Negotiation Request TX callback: success=1 > P2P: State CONNECT -> CONNECT > P2P: Set timeout (state=CONNECT): 0.500000 sec > P2P: Timeout (state=CONNECT) > Off-channel: Action frame sequence done notification > > > wpa_cli log/interaction is this: > > wpa_cli v2.1-devel > Copyright (c) 2004-2013, Jouni Malinen <j@xxxxx> and contributors > > This software may be distributed under the terms of the BSD license. > See README for more details. > > Interactive mode > >> p2p_find > OK > <3>P2P-DEVICE-FOUND 12:68:3f:4e:39:f2 p2p_dev_addr=12:68:3f:4e:39:f2 > pri_dev_type=10-0050F204-5 name='dvdhrm-nx' config_methods=0x188 > dev_capab=0x25 group_capab=0x0 > <3>P2P-INVITATION-RECEIVED sa=12:68:3f:4e:39:f2 > go_dev_addr=12:68:3f:4e:39:f2 bssid=12:68:3f:4e:b9:f2 unknown-network >> p2p_connect 12:68:3f:4e:39:f2 pbc > OK > <3>P2P-FIND-STOPPED -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
