Got the error "Driver did not support SIOCSIWENCODEEXT" when trying WPS

[Wuhua Xu]

All,

I got the error when trying to use WPS with my atheros AR5416 and the option
nohwcrypt=1.

ioctl[SIOCSIWENCODEEXT]: No such file or directory
...
Driver did not support SIOCSIWENCODEEXT
State: ASSOCIATED -> DISCONNECTED
Is it a blocking error? How to work around it?

The following is a more detailed log.

WPS: Building WPS IE for (Re)Association Request
WPS:  * Version
WPS:  * Request Type
WPA: clearing AP WPA IE
WPA: clearing AP RSN IE
WPA: clearing own WPA/RSN IE
No keys have been configured - skip key clearing
wpa_driver_wext_set_drop_unencrypted
State: SCANNING -> ASSOCIATING
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
wpa_driver_wext_associate
wpa_driver_wext_set_psk
Setting authentication timeout: 10 sec 0 usec
EAPOL: External notification - EAP success=0
EAPOL: External notification - EAP fail=0
EAPOL: External notification - portControl=Auto
RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
Wireless event: cmd=0x8b06 len=8
RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
Wireless event: cmd=0x8b04 len=12
RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
Wireless event: cmd=0x8c02 len=177
WEXT: Custom wireless event:
'ASSOCINFO(ReqIEs=00157869616f687569782d77696e372d312d3235303430010802040b160c12182432043048606cdd0e0050f204104a000110103a000101
RespIEs=010802040b160c12182432043048606c)'
Association info event
req_ies - hexdump(len=55): 00 15 78 69 61 6f 68 75 69 78 2d 77 69 6e 37 2d
31 2d 32 35 30 34 30 01 08 02 04 0b 16 0c 12 18 24 32 04 30 48 60 6c dd 0e
00 50 f2 04 10 4a 00 01 10 10 3a 00 01 01
resp_ies - hexdump(len=16): 01 08 02 04 0b 16 0c 12 18 24 32 04 30 48 60 6c
WPA: clearing own WPA/RSN IE
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
Wireless event: cmd=0x8b15 len=20
Wireless event: new AP: 06:23:cd:01:39:8e
State: ASSOCIATING -> ASSOCIATED
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
Associated with 00:00:00:00:00:00
CTRL_IFACE monitor send - hexdump(len=21): 2f 74 6d 70 2f 77 70 61 5f 63 74
72 6c 5f 33 39 32 39 2d 37 00
WPA: Association event - clear replay counter
WPA: Clear old PTK
EAPOL: External notification - portEnabled=0
EAPOL: External notification - portValid=0
EAPOL: External notification - portEnabled=1
EAPOL: SUPP_PAE entering state CONNECTING
EAPOL: enable timer tick
EAPOL: SUPP_BE entering state IDLE
EAP: EAP entering state INITIALIZE
EAP: EAP entering state IDLE
Setting authentication timeout: 10 sec 0 usec
Cancelling scan request
RTM_NEWLINK: operstate=0 ifi_flags=0x11003 ([UP][LOWER_UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP])
RTM_NEWLINK, IFLA_IFNAME: Interface 'wlan1' added
Wireless event: cmd=0x8b15 len=20
Wireless event: new AP: 00:00:00:00:00:00
Setting scan c
t: 0 sec 100000 usec
Added BSSID 06:23:cd:01:39:8e into blacklist
CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys
CTRL_IFACE monitor send - hexdump(len=21): 2f 74 6d 70 2f 77 70 61 5f 63 74
72 6c 5f 33 39 32 39 2d 37 00
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
Driver did not support SIOCSIWENCODEEXT
State: ASSOCIATED -> DISCONNECTED
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
EAPOL: External notification - portEnabled=0
EAPOL: SUPP_PAE entering state DISCONNECTED
EAPOL: SUPP_BE entering state INITIALIZE
EAP: EAP entering state DISABLED
EAPOL: External notification - portValid=0
State: DISCONNECTED -> SCANNING
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