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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">We are trying to use wpa_supplicant for P2P cases. Occasionally when we try to send a P2P frame we get following issue.<o:p></o:p></p>
<p class="MsoNormal">Can somebody explain why we are getting this some times?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">1436853963.157608: CMD_FRAME - hexdump(len=154): d0 00 00 00 7a e4 00 6c 3d be 00 02 5b 00 30 74 7a e4 00 6c 3d be 00 00 04 09 50 6f 9a 09 03 02 dd 78 50 6f 9a 09 05 02 00 64 14 12 01 00 01 0b 2c 00 55 53 04 51 0b 01 02 03 04 05 06 07 08
09 0a 0b 73 04 24 28 2c 30 7c 04 95 99 9d a1 74 02 24 2c 75 02 28 30 7e 02 95 9d 7f 02 99 a1 0f 19 00 7a e4 00 6c 3d be 44 49 52 45 43 54 2d 70 4b 42 72 6f 61 64 63 6f 6d 2d 31 0d 1d 00 00 02 5b 00 30 74 01 00 00 0a 00 50 f2 04 00 04 00 10 11 00 08 4c 69 6e
75 78 5f 50 43<o:p></o:p></p>
<p class="MsoNormal">1436853963.248555: nl80211: Frame command failed: ret=-38 (Function not implemented) (freq=2437 wait=500)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Relvent logs around these are<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">1436853962.836700: nl80211: Use last_mgmt_freq=2412<o:p></o:p></p>
<p class="MsoNormal">1436853962.836714: nl80211: CMD_FRAME freq=2412 wait=0 no_cck=1 no_ack=1 offchanok=1<o:p></o:p></p>
<p class="MsoNormal">1436853962.836728: CMD_FRAME - hexdump(len=250): 50 00 00 00 7a e4 00 6c 3d be 00 02 5b 00 30 74 00 02 5b 00 30 74 00 00 00 00 00 00 00 00 00 00 64 00 30 04 00 07 44 49 52 45 43 54 2d 01 08 8c 12 98 24 b0 48 60 6c 03 01 01 dd 93 00 50 f2
04 10 4a 00 01 10 10 44 00 01 01 10 3b 00 01 00 10 47 00 10 00 50 f2 12 34 56 78 90 12 34 56 78 90 12 34 56 10 21 00 17 43 61 6d 62 72 69 64 67 65 20 53 69 6c 69 63 6f 6e 20 52 61 64 69 6f 10 23 00 0e 43 53 52 5f 43 69 6e 64 65 72 65 6c 6c 61 10 24 00 0b 43
53 52 39 33 30 30 20 45 4d 42 10 42 00 04 36 30 33 30 10 54 00 08 00 0a 00 50 f2 04 00 04 10 11 00 08 4c 69 6e 75 78 5f 50 43 10 08 00 02 01 00 10 49 00 06 00 37 2a 00 01 20 dd 29 50 6f 9a 09 02 02 00 25 00 0d 1d 00 00 02 5b 00 30 74 01 00 00 0a 00 50 f2 04
00 04 00 10 11 00 08 4c 69 6e 75 78 5f 50 43<o:p></o:p></p>
<p class="MsoNormal">1436853962.837210: nl80211: Frame TX command accepted (no ACK); cookie 0x0<o:p></o:p></p>
<p class="MsoNormal">1436853963.151312: wlan1: Control interface command 'P2P_PEER 7a:e4:00:6c:3d:be'<o:p></o:p></p>
<p class="MsoNormal">1436853963.151773: wlan1: Control interface command 'LIST_NETWORKS'<o:p></o:p></p>
<p class="MsoNormal">1436853963.152230: wlan1: Control interface command 'P2P_INVITE persistent=5 peer=7a:e4:00:6c:3d:be'<o:p></o:p></p>
<p class="MsoNormal">1436853963.152290: wlan1: Determining shared radio frequencies (max len 2)<o:p></o:p></p>
<p class="MsoNormal">1436853963.152322: wlan1: Shared frequencies (len=0): completed iteration<o:p></o:p></p>
<p class="MsoNormal">1436853963.152350: wlan1: Shared frequencies (len=0): valid for P2P<o:p></o:p></p>
<p class="MsoNormal">1436853963.152379: wlan1: Determining shared radio frequencies (max len 2)<o:p></o:p></p>
<p class="MsoNormal">1436853963.152405: wlan1: Shared frequencies (len=0): completed iteration<o:p></o:p></p>
<p class="MsoNormal">1436853963.152432: wlan1: P2P: num_unused_channels: 2<o:p></o:p></p>
<p class="MsoNormal">1436853963.152456: P2P: Setup freqs: freq=0 num_MCC=2 shared_freqs=0 num_unused=2<o:p></o:p></p>
<p class="MsoNormal">1436853963.152481: P2P: Current operating channels are not available for P2P. Try to use another channel<o:p></o:p></p>
<p class="MsoNormal">1436853963.152510: P2P: Stopping find<o:p></o:p></p>
<p class="MsoNormal">1436853963.152551: P2P: Clear timeout (state=LISTEN_ONLY)<o:p></o:p></p>
<p class="MsoNormal">1436853963.152579: P2P: State LISTEN_ONLY -> IDLE<o:p></o:p></p>
<p class="MsoNormal">1436853963.152606: P2P: Clear timeout (state=IDLE)<o:p></o:p></p>
<p class="MsoNormal">1436853963.152633: P2P: Clear drv_in_listen (2412)<o:p></o:p></p>
<p class="MsoNormal">1436853963.152657: nl80211: Cancel remain-on-channel with cookie 0x123<o:p></o:p></p>
<p class="MsoNormal">1436853963.154863: nl80211: Disable Probe Request reporting nl_preq=0x80340419<o:p></o:p></p>
<p class="MsoNormal">1436853963.155008: wlan1: Radio work 'p2p-listen'@0x8bc4340 done in 0.516095 seconds<o:p></o:p></p>
<p class="MsoNormal">1436853963.155058: P2P: Request to invite peer 7a:e4:00:6c:3d:be role=2 persistent=1 force_freq=0<o:p></o:p></p>
<p class="MsoNormal">1436853963.155085: Invitation for SSID - hexdump_ascii(len=19):<o:p></o:p></p>
<p class="MsoNormal"> 44 49 52 45 43 54 2d 70 4b 42 72 6f 61 64 63 6f DIRECT-pKBroadco<o:p></o:p></p>
<p class="MsoNormal"> 6d 2d 31 m-1
<o:p></o:p></p>
<p class="MsoNormal">1436853963.155171: P2P: Prepare channel - force_freq=0 pref_freq=0 go=0<o:p></o:p></p>
<p class="MsoNormal">1436853963.155199: P2P: Prepare channel best<o:p></o:p></p>
<p class="MsoNormal">1436853963.156667: P2P: Select possible HT40 channel (op_class 126 channel 149) as operating channel preference<o:p></o:p></p>
<p class="MsoNormal">1436853963.156753: P2P: prepared channels: 81:1,2,3,4,5,6,7,8,9,10,11 115:36,40,44,48 124:149,153,157,161 116:36,44 117:40,48 126:149,157 127:153,161<o:p></o:p></p>
<p class="MsoNormal">1436853963.156807: P2P: after go/cli filter/add: 81:1,2,3,4,5,6,7,8,9,10,11 115:36,40,44,48 124:149,153,157,161 116:36,44 117:40,48 126:149,157 127:153,161<o:p></o:p></p>
<p class="MsoNormal">1436853963.156836: P2P: Own preference for operation channel: Operating Class 126 Channel 149<o:p></o:p></p>
<p class="MsoNormal">1436853963.156866: P2P: * Dialog Token: 2<o:p></o:p></p>
<p class="MsoNormal">1436853963.156891: P2P: * P2P IE header<o:p></o:p></p>
<p class="MsoNormal">1436853963.156914: P2P: * Configuration Timeout: GO 100 (*10ms) client 20 (*10ms)<o:p></o:p></p>
<p class="MsoNormal">1436853963.156937: P2P: * Invitation Flags: bitmap 0x1<o:p></o:p></p>
<p class="MsoNormal">1436853963.156961: P2P: * Channel List - hexdump(len=44): 55 53 04 51 0b 01 02 03 04 05 06 07 08 09 0a 0b 73 04 24 28 2c 30 7c 04 95 99 9d a1 74 02 24 2c 75 02 28 30 7e 02 95 9d 7f 02 99 a1<o:p></o:p></p>
<p class="MsoNormal">1436853963.157004: P2P: * P2P Group ID 7a:e4:00:6c:3d:be<o:p></o:p></p>
<p class="MsoNormal">1436853963.157029: P2P: P2P Group ID SSID - hexdump_ascii(len=19):<o:p></o:p></p>
<p class="MsoNormal"> 44 49 52 45 43 54 2d 70 4b 42 72 6f 61 64 63 6f DIRECT-pKBroadco<o:p></o:p></p>
<p class="MsoNormal"> 6d 2d 31 m-1
<o:p></o:p></p>
<p class="MsoNormal">1436853963.157105: P2P: * Device Info<o:p></o:p></p>
<p class="MsoNormal">1436853963.157131: P2P: Sending Invitation Request<o:p></o:p></p>
<p class="MsoNormal">1436853963.157158: P2P: State IDLE -> INVITE<o:p></o:p></p>
<p class="MsoNormal">1436853963.157182: P2P: Schedule new radio work for Action frame TX (listen_freq=-1 send_freq=-1)<o:p></o:p></p>
<p class="MsoNormal">1436853963.157211: wlan1: Add radio work 'p2p-send-action'@0x8bc8540<o:p></o:p></p>
<p class="MsoNormal">1436853963.157240: wlan1: First radio work item in the queue - schedule start immediately<o:p></o:p></p>
<p class="MsoNormal">1436853963.157354: wlan1: Starting radio work 'p2p-send-action'@0x8bc8540 after 0.000106 second wait<o:p></o:p></p>
<p class="MsoNormal">1436853963.157398: Off-channel: Send action frame: freq=2437 dst=7a:e4:00:6c:3d:be src=00:02:5b:00:30:74 bssid=7a:e4:00:6c:3d:be len=130<o:p></o:p></p>
<p class="MsoNormal">1436853963.157447: nl80211: Send Action frame (ifindex=128, freq=2437 MHz wait=500 ms no_cck=1)<o:p></o:p></p>
<p class="MsoNormal">1436853963.157486: nl80211: CMD_FRAME freq=2437 wait=500 no_cck=1 no_ack=0 offchanok=1<o:p></o:p></p>
<p class="MsoNormal">1436853963.157608: CMD_FRAME - hexdump(len=154): d0 00 00 00 7a e4 00 6c 3d be 00 02 5b 00 30 74 7a e4 00 6c 3d be 00 00 04 09 50 6f 9a 09 03 02 dd 78 50 6f 9a 09 05 02 00 64 14 12 01 00 01 0b 2c 00 55 53 04 51 0b 01 02 03 04 05 06 07 08
09 0a 0b 73 04 24 28 2c 30 7c 04 95 99 9d a1 74 02 24 2c 75 02 28 30 7e 02 95 9d 7f 02 99 a1 0f 19 00 7a e4 00 6c 3d be 44 49 52 45 43 54 2d 70 4b 42 72 6f 61 64 63 6f 6d 2d 31 0d 1d 00 00 02 5b 00 30 74 01 00 00 0a 00 50 f2 04 00 04 00 10 11 00 08 4c 69 6e
75 78 5f 50 43<o:p></o:p></p>
<p class="MsoNormal">1436853963.248555: nl80211: Frame command failed: ret=-38 (Function not implemented) (freq=2437 wait=500)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
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