2023年7月13日发(作者：)

qcawifi相关操作命令1. 创建VAProot@OpenWrt:~# wlanconfig ath0 create wlandev wifi0 wlanmode ap[ 1044.840000] wlan_vap_create : enter. devhandle=0x867f0380, opmode=IEEE80211_M_HOSTAP, flags=0x1[ 1044.850000] ieee80211_mbo_vattach:MBO Initialized

[ 1044.850000] ieee80211_oce_vattach: OCE Initialized

[ 1044.860000] wlan_vap_create : exit. devhandle=0x867f0380, vap=0x83948000, opmode=IEEE80211_M_HOSTAP, flags=0x1.[ 1044.870000] __ieee80211_smart_ant_init: Smart Antenna is not supported

[ 1044.880000] VAP device ath0 created osifp: (838cdb80) os_if: (83948000)ath02. 设置SSIDroot@OpenWrt:~# iwconfig ath0 essid "HELLO"[ 1145.690000] [DEBUG] vap-0(ath0):set SIOC80211NWID, 5 characters[ 1145.700000]

[ 1145.700000] DES SSID SET=HELLO

3. 查看VAP连接列表root@OpenWrt:~# wlanconfig ath0 listADDR AID CHAN TXRATE RXRATE RSSI MINRSSI MAXRSSI IDLE TXSEQ RXSEQ CAPS ACAPS ERP STATE MAXRATE(DOT11) HTCAPS ASSOCTIME11:2f:00:c7:ab:11 1 1 0M 24M 62 66 66 15 0 65535 ESs 0 f 0 AP 00:00:06 WME IEEE80211_MODE_11NG_HT20 0

4.查看VAP⽀持的信道和当前设置的信道root@OpenWrt:~# iwlist ath0 channelath0 47 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Current Frequency:2.412 GHz (Channel 1)5. 设置信道root@OpenWrt:~# iwconfig ath0 channel 6[ 1572.470000] siwfreq[ 1572.470000] Set freq vap 0 stop send + 83948000[ 1572.490000] Set freq vap 0 stop send -83948000[ 1572.520000] Set wait done --83948000[ 1572.600000] __ieee80211_smart_ant_init: Smart Antenna is not supported

6.设置信道宽度与查看root@OpenWrt:~# iwpriv ath0 chwidth 0root@OpenWrt:~# iwpriv ath0 get_chwidthath0 get_chwidth:0数字含义：0 (HT)20 MHz1 40 MHz2 80 MHz3 80_80/160 MHz<3 Invalid7.查看当前⽆线模式root@OpenWrt:~# iwpriv ath0 get_modeath0 get_mode:AUTO7.设置⽆线模式root@OpenWrt:~# iwpriv ath0 mode 11NGHT40PLUSroot@OpenWrt:~# iwpriv ath0 get_modeath0 get_mode:11NGHT40PLUS当设置模式之后通过iwconfig查看是否改变，需要对接⼝进⾏down uproot@OpenWrt:~# iwconfig ath0

ath0 IEEE 802.11g ESSID:"HELLO"

Mode:Master Frequency:2.437 GHz Access Point: 00:03:7F:55:88:88

Bit Rate:54 Mb/s Tx-Power=11 dBm

RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:2362 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0root@OpenWrt:~#

root@OpenWrt:~#

root@OpenWrt:~# iwpriv ath0 mode 11NGHT40PLUSroot@OpenWrt:~# iwpriv ath0 get_modeath0 get_mode:11NGHT40PLUSroot@OpenWrt:~#

root@OpenWrt:~#

root@OpenWrt:~# iwconfig ath0

ath0 IEEE 802.11g ESSID:"HELLO"

Mode:Master Frequency:2.437 GHz Access Point: 00:03:7F:55:88:88

Bit Rate:54 Mb/s Tx-Power=11 dBm

RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:2458 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0root@OpenWrt:~# ifconfig ath0 downroot@OpenWrt:~# ifconfig ath0 up[ 3715.580000] 8021q: adding VLAN 0 to HW filter on device ath0root@OpenWrt:~# ifconfig ath0 down[ 3717.910000] mlme_create_infra_bss : Overriding HT40 channel with HT20 channel[ 3717.970000] __ieee80211_smart_ant_init: Smart Antenna is not supported

root@OpenWrt:~# iwconfig ath0

ath0 IEEE 802.11ng ESSID:"HELLO"

Mode:Master Frequency:2.437 GHz Access Point: 00:03:7F:55:88:88

Bit Rate:144.4 Mb/s Tx-Power=11 dBm

RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:2464 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:08.设置tx powerroot@OpenWrt:~# iwconfig ath0ath0 IEEE 802.11ng ESSID:"HELLO"

Mode:Master Frequency:2.437 GHz Access Point: 00:03:7F:55:88:88

Bit Rate:130 Mb/s Tx-Power=11 dBm

RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:573 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0