Configuring WiFi6 in hostapd

Tue Sep 1 15:07:21 EDT 2020

On Tue, Sep 1, 2020 at 11:52 PM Sugandh Huthanahally Mohan
<sugandhgowda at gmail.com> wrote:
>
> Hi ,
>
> I changed wpa_pairwise to CCMP and observed no change in terms of
> connection between AP and STA.
Okay.
> I ran hostapd in debug mode and logs are below. Also -vv flag is
> fetching only version.
Sorry, it should be -dd.
>


> stype=0 (WLAN_FC_STYPE_ASSOC_REQ) len=178
> wlp3s0: Event RX_MGMT (18) received
> mgmt::assoc_req
> association request: STA=8c:c6:81:69:ac:80 capab_info=0x431
> listen_interval=10 seq_ctrl=0x80
> Validating WMM IE: OUI 00:50:f2  OUI type 2  OUI sub-type 0  version 1
>  QoS info 0x0
>   new AID 1
> HT: STA 8c:c6:81:69:ac:80 HT Capabilities Info: 0x19e7
> update_sta_ht STA 8c:c6:81:69:ac:80 - no greenfield, num of non-gf stations 1
> hostapd_ht_operation_update current operation mode=0x0
> hostapd_ht_operation_update new operation mode=0x4 changes=1
> nl80211: Set beacon (beacon_set=1)
> nl80211: Beacon head - hexdump(len=61): 80 00 00 00 ff ff ff ff ff ff
> 8c c6 81 69 86 65 8c c6 81 69 86 65 00 00 00 00 00 00 00 00 00 00 64
> 00 11 04 00 0a 57 69 46 69 5f 41 58 32 30 30 01 08 82 84 8b 96 0c 12
> 18 24 03 01 06
> nl80211: Beacon tail - hexdump(len=193): 07 06 44 45 20 01 0d 16 2a 01
> 04 32 04 30 48 60 6c 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00
> 00 0f ac 02 0c 00 3b 02 51 00 2d 1a 85 18 17 ff ff 00 00 00 00 00 00
> 00 00 2c 01 01 00 00 00 00 00 00 00 00 00 00 3d 16 06 00 04 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7f 08 04 00 00 00 00
> 00 00 40 bf 0c 00 00 00 00 ff ff 00 00 ff ff 00 00 c0 05 00 01 00 fc
> ff c3 02 00 2c ff 1a 23 01 78 08 12 40 08 06 20 02 80 ff 09 80 0c cf
> f0 00 fa ff fa ff 61 1c c7 71 ff 07 24 f8 3f 00 01 fa ff dd 18 00 50
> f2 02 01 01 01 00 03 a4 00 00 27 a4 00 00 42 43 5e 00 62 32 2f 00
> nl80211: ifindex=3
> nl80211: beacon_int=100
> nl80211: beacon_rate=0
> nl80211: rate_type=0
> nl80211: dtim_period=2
> nl80211: ssid=WiFi_AX200
>   * beacon_int=100
>   * dtim_period=2
> nl80211: hidden SSID not in use
> nl80211: privacy=1
> nl80211: auth_algs=0x1
> nl80211: wpa_version=0x2
> nl80211: key_mgmt_suites=0x2
> nl80211: pairwise_ciphers=0x10
> nl80211: group_cipher=0x10
> nl80211: SMPS mode - dynamic
> nl80211: beacon_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
> nl80211: proberesp_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
> nl80211: assocresp_ies - hexdump(len=10): 7f 08 04 00 00 00 00 00 00 40
> nl80211: multicast to unicast disabled on interface wlp3s0
> wlp3s0: STA 8c:c6:81:69:ac:80 IEEE 802.11: association OK (aid 1)
> Add associated STA 8c:c6:81:69:ac:80 (added_unassoc=1 auth_alg=0
> ft_over_ds=0 reassoc=0 authorized=0 ft_tk=0 fils_tk=0)
> nl80211: Set STA 8c:c6:81:69:ac:80
>   * supported rates - hexdump(len=12): 02 04 0b 16 0c 12 18 24 30 48 60 6c
>   * capability=0x431
>   * ht_capabilities - hexdump(len=26): 05 19 17 ff ff 00 00 00 00 00
> 00 00 00 2c 01 01 00 00 00 00 00 00 00 00 00 00
>   * aid=1
>   * listen_interval=10
>   * flags set=0xac mask=0xac
>   * qosinfo=0x0
Based on above flags as there is not "he_capab" as expected this isn't
a HE connection.
>From the code, the most likely possibility is the wrong IEs from the
STA (either missing HE ies
or malformed/invalid IEs). Can you share wpa_supplicant -dd logs as well?

> nl80211: send_mlme - da= 8c:c6:81:69:ac:80 noack=0 freq=0 no_cck=0
> offchanok=0 wait_time=0 fc=0x10 (WLAN_FC_STYPE_ASSOC_RESP) nlmode=3
> nl80211: send_mlme -> send_frame
> nl80211: send_frame - Use bss->freq=2437
> nl80211: send_frame -> send_frame_cmd
> nl80211: Drv Event 60 (NL80211_CMD_FRAME_TX_STATUS) received for wlp3s0
> nl80211: Frame TX status event
> wlp3s0: Event TX_STATUS (16) received
> mgmt::assoc_resp cb
> wlp3s0: STA 8c:c6:81:69:ac:80 IEEE 802.11: associated (aid 1)
> wlp3s0: STA 8c:c6:81:69:ac:80 MLME: MLME-ASSOCIATE.indication(8c:c6:81:69:ac:80)
<snip...>
> wlp3s0: AP-STA-CONNECTED 8c:c6:81:69:ac:80
> nl80211: Set STA flags - ifname=wlp3s0 addr=8c:c6:81:69:ac:80
> total_flags=0x67 flags_or=0x1 flags_and=0xffffffff authorized=1
> wlp3s0: STA 8c:c6:81:69:ac:80 IEEE 802.1X: authorizing port
> wlp3s0: STA 8c:c6:81:69:ac:80 RADIUS: starting accounting session
> B46452FE1173F1AB
> wlp3s0: STA 8c:c6:81:69:ac:80 WPA: pairwise key handshake completed (RSN)

> On Tue, Sep 1, 2020 at 8:08 PM Krishna Chaitanya
> <chaitanya.mgit at gmail.com> wrote:
> >
> > On Tue, Sep 1, 2020 at 11:31 PM Sugandh Huthanahally Mohan
> > <sugandhgowda at gmail.com> wrote:
> > >
> > > Hi,
> > >
> > > Please find dmesg and version of hostapd below
> > >
> > > $ sudo wpa_supplicant -vv
> > > wpa_supplicant v2.9
> > > Copyright (c) 2003-2019, Jouni Malinen <j at w1.fi> and contributors
> > >
> > > $ sudo ./hostapd -vv
> > > hostapd v2.9
> > > User space daemon for IEEE 802.11 AP management,
> > > IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
> > > Copyright (c) 2002-2019, Jouni Malinen <j at w1.fi> and contributors
> > Please use bottom-posting.
> >
> > I was referring to the logs i.e., running hostapd and wpa_supplicant
> > -vv and collecting the
> > logs when you do a connection, depending on how you have compiled "-f"
> > can be used to save
> > logs in a file else just tee-it.
> >
> > > $ sudo dmesg
> > > [    0.000000] microcode: microcode updated early to revision 0xdc,
> > > date = 2020-04-27
> > > [    0.000000] Linux version 5.4.0-42-generic (buildd at lgw01-amd64-038)
> > > (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #46-Ubuntu SMP Fri Jul 10
> > > 00:24:02 UTC 2020 (Ubuntu 5.4.0-42.46-generic 5.4.44)
> > <..snip>
> > Nothing from dmesg.
> >
> > Ah never mind, I see you are using TKIP please change to CCMP,
> > using TKIP will disable any non-11g/11a.
> >
> > wpa_pairwise=TKIP


-- 
Thanks,
Regards,
Chaitanya T K.