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Go back –> [[en/users/Drivers/ath10k|ath10k]] 

 


===== ath10k driver =====


==== Building ====

To build ath10k enable these kernel build configuration options, for example with make menuconfig: 
  * CONFIG_ATH10K 
  * CONFIG_ATH10K_PCI 
  * CONFIG_ATH10K_DEBUG (optional) 
  * CONFIG_ATH10K_DEBUGFS (optional) 
  * CONFIG_ATH10K_TRACING (optional) The debug and tracing options are optional, but it's strongly recommended to enable to make it easier to debug issues. 

ath10k options can be found from location: 


<code>-> Device Drivers
 -> Network device support (NETDEVICES [=y])
   -> Wireless LAN (WLAN [=y])
     -> Atheros Wireless Cards (ATH_CARDS [=m])</code>

==== Loading the modules ====

The ath10k modules should be loaded automatically in most systems. If that's not happening, first load ath10k_core.ko and then ath10k_pci.ko. 


===== hostapd =====

ath10k uses the standard [[en/users/Documentation/hostapd|upstream hostapd]]. For features like 802.11ac, DFS or ACS please use hostapd 2.2 or later. 


==== Building hostapd ====

When building hostapd enable these configuration options: 
    * CONFIG_IEEE80211AC 
    * CONFIG_ACS 
==== Configuring hostapd ====

Example hostapd config to use 11ac VHT80 mode with ath10k: 


<code>interface=wlan0
driver=nl80211

ssid=ath10k-test

hw_mode=a
channel=36
ht_capab=[HT40+]
ieee80211n=1
ieee80211ac=1
vht_oper_chwidth=1
vht_oper_centr_freq_seg0_idx=42</code>
vht_oper_centr_freq_seg0_idx is calculated for VHT80 with channel + 6. If you get "set channel failed to set in kernel" error message, most likely your regulatory database doesn't support 80 MHz channels. 

To enable ACS set channel to zero: 


<code>channel=0</code>
To enable DFS enable 11d and 11h as well as set country code: 


<code>country_code=FI
ieee80211d=1
ieee80211h=1</code>
Current implementation of ath radar pattern detector supports only ETSI regulatory domain. It means radar detection works only when master region is set to ETSI. It can be done by setting regulatory domain to country from Europe (DE, FI,  FR, PL, ...): 


<code> iw reg set DE</code>
Other regulatory domains like JP (Japan), US (FCC master region) are currently not supported. Starting AP on DFS channel in DFS master region different that ETSI will cause radar event at first suspicious RF signal even it was not radar. 

See [[en/users/Documentation/hostapd|hostapd wiki page]] and [[http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap.git;a=blob_plain;f=hostapd/hostapd.conf|hostapd.conf documentation]] for more information. 

==== Mu-MIMO configuration ====

To enable Mu-MIMO configuration:

<code> vht_capab=[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][MAX-A-MPDU-LEN-EXP7][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN][SU-BEAMFORMER][SU-BEAMFORMEE][MU-BEAMFORMER][MU-BEAMFORMEE][BF-ANTENNA-4][SOUNDING-DIMENSION-4] </code>

The values for "BF-ANTENNA" and "SOUNDING-DIMENSION" refer to the number of radio chains. Here the value is used as 4 which means that the target has 4 radio chains.

==== mBSSID ====

Multiple BSSID (mBSSID) is a feature where you can have multiple virtual APs on one physical device. Here is an example how you can dynamically create and remove virtual APs. 

ath10.conf is the master device, as of this writing (2014-11-19) you cannot remove this while hostapd is running: 


<code>interface=wlan0
driver=nl80211
ctrl_interface=/var/run/hostapd

ssid=ath10k
bssid=02:00:00:00:03:00

hw_mode=a
channel=36
ht_capab=[HT40+]
ieee80211n=1
ieee80211ac=1
vht_oper_chwidth=1
vht_oper_centr_freq_seg0_idx=42

wpa=3
wpa_passphrase=1234567890
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP CCMP
rsn_pairwise=CCMP</code>
ath10k-1.conf, the first virtual AP: 


<code>interface=wlan0-1

ssid=ath10k-1
bssid=02:00:00:00:03:01</code>
ath10k-2.conf, the second virtual AP: 


<code>interface=wlan0-2

ssid=ath10k-2
bssid=02:00:00:00:03:02

wpa=2
wpa_passphrase=0987654321
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP</code>
For mBSSID start hostapd using -b switch: 


<code>hostapd -g /var/run/hostapd/global -b phy0:ath10k.conf -b phy0:ath10k-1.conf -b phy0:ath10k-2.conf</code>
To remove an interface: 


<code>wpa_cli -g /var/run/hostapd/global raw REMOVE wlan0-2</code>
To add an interface: 


<code>wpa_cli -g /var/run/hostapd/global raw ADD bss_config=phy0:ath10k-2.conf</code>

==== Full hostapd configuration ====

Below is the full hostapd configuration file which enables all features ath10k supports. 


<code>### hostapd configuration file
ctrl_interface=/var/run/hostapd
interface=wlan0
driver=nl80211
bridge=br-lan

### IEEE 802.11
ssid=ath10k
hw_mode=a
channel=0
max_num_sta=128
auth_algs=1
disassoc_low_ack=1

### DFS
ieee80211h=1
ieee80211d=1
country_code=FR

### IEEE 802.11n
ieee80211n=1
ht_capab=[HT40+][LDPC][SHORT-GI-20][SHORT-GI-40][TX-STBC][RX-STBC1][DSSS_CCK-40]

### IEEE 802.11ac
ieee80211ac=1
vht_oper_chwidth=1
vht_capab=[MAX-MPDU-11454][RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][MAX-A-MPDU-LEN-EXP7][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN]

### WPA/IEEE 802.11i
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_passphrase=12345678
wpa_pairwise=CCMP

### Wi-Fi Protected Setup (WPS)
wps_state=2
ap_setup_locked=0
wps_pin_requests=/var/run/hostapd_wps_pin_requests
device_name=QCA Access Point
manufacturer=Qualcomm Atheros
device_type=6-0050F204-1
config_methods=virtual_push_button physical_push_button label keypad virtual_display
pbc_in_m1=1
ap_pin=12345670
upnp_iface=br-lan
eap_server=1

### hostapd event logger configuration
logger_syslog=127
logger_syslog_level=2
logger_stdout=127
logger_stdout_level=2

### WMM
wmm_enabled=1
uapsd_advertisement_enabled=1
wmm_ac_bk_cwmin=4
wmm_ac_bk_cwmax=10
wmm_ac_bk_aifs=7
wmm_ac_bk_txop_limit=0
wmm_ac_bk_acm=0
wmm_ac_be_aifs=3
wmm_ac_be_cwmin=4
wmm_ac_be_cwmax=10
wmm_ac_be_txop_limit=0
wmm_ac_be_acm=0
wmm_ac_vi_aifs=2
wmm_ac_vi_cwmin=3
wmm_ac_vi_cwmax=4
wmm_ac_vi_txop_limit=94
wmm_ac_vi_acm=0
wmm_ac_vo_aifs=2
wmm_ac_vo_cwmin=2
wmm_ac_vo_cwmax=3
wmm_ac_vo_txop_limit=47
wmm_ac_vo_acm=0

### TX queue parameters
tx_queue_data3_aifs=7
tx_queue_data3_cwmin=15
tx_queue_data3_cwmax=1023
tx_queue_data3_burst=0
tx_queue_data2_aifs=3
tx_queue_data2_cwmin=15
tx_queue_data2_cwmax=63
tx_queue_data2_burst=0
tx_queue_data1_aifs=1
tx_queue_data1_cwmin=7
tx_queue_data1_cwmax=15
tx_queue_data1_burst=3.0
tx_queue_data0_aifs=1
tx_queue_data0_cwmin=3
tx_queue_data0_cwmax=7
tx_queue_data0_burst=1.5</code>
When the client side interface is included in a bridge, add -b <bridge_interface> when running wpa_supplicant. Please add the following on hostapd.conf to enable 4-address mode: 


<code>wds_sta=1</code>
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