So,it that mean: there is no way to fix this problem by modify the kernel and driver codes? Though #iwconfig wlan0 shows there is modes a ? iwconfig wlan0 wlan0 IEEE 802.11abgn ESSID:"IDPDK-169c" Mode:Managed Frequency:2.462 GHz Access Point: A0:88:B4:1E:16:9C Bit Rate=1 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=60/70 Signal level=-50 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:14 Missed beacon:0 Best Regards. -------------------------------------- Bopeng Liu WIND RIVER | China Development Center Phone: 8610-6483-5012 ________________________________________ From: linux-wireless-owner@xxxxxxxxxxxxxxx [linux-wireless-owner@xxxxxxxxxxxxxxx] on behalf of Liu, Bopeng [Bopeng.Liu@xxxxxxxxxxxxx] Sent: Thursday, January 23, 2014 5:07 PM To: Krishna Chaitanya Cc: zhuyj; Emmanuel Grumbach; linux-wireless Subject: RE: 802.11a is supported in AP mode or not? By using latest hostapd, version, not works as well. Best Regards. -------------------------------------- Bopeng Liu WIND RIVER | China Development Center Phone: 8610-6483-5012 ________________________________________ From: Krishna Chaitanya [chaitanya.mgit@xxxxxxxxx] Sent: Thursday, January 23, 2014 5:04 PM To: Liu, Bopeng Cc: zhuyj; Emmanuel Grumbach; linux-wireless Subject: Re: 802.11a is supported in AP mode or not? On Thu, Jan 23, 2014 at 2:29 PM, Liu, Bopeng <Bopeng.Liu@xxxxxxxxxxxxx> wrote: > Is there any method to set the 5GHz channels be able? > > Please show me the command...:) No it doesn't work that way, based on regulatory info and HW capability the framework will decide that. Lets give it a try with latest hostapd from git and see. -- 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 -- 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