Reference:
http://lists.shmoo.com/pipermail/hostap/2012-March/025542.html
http://permalink.gmane.org/gmane.linux.drivers.hostap/25697
Dear all,
I am using hostapd 0.7.3 stable release as make atherose based (having
ar9287 chipset) wifi module in AP and other settings.
Acually, i want to set the module's hw_mode(Network mode) with some
options as listed bellow.
1) b only mode
2) g only mode
3) n only mode
4) b&g mode
5) b&n mode
6) g&n mode
7) mixed (b/g&n) mode
i have referred hostapd.conf and as per my knowledge, i think it can
allow to set options as bellow listed modes.
1) b only mode [by hw_mode=b and ieee80211n=0]
2) g only mode [by hw_mode=g and ieee80211n=0]
5) b&n mode [by hw_mode=b and ieee80211n=1]
6) g&n mode [by hw_mode=g and ieee80211n=1]
If, i am correct?
and also, how to set rest of options, like
3) n only mode
4) b&g mode
7) mixed (b/g&n) mode
Thanks,
Darshan Prajapati.
*****************************************************************************
Hello, see comments below.
> Dear all,
>> I am using hostapd 0.7.3 stable release as make atherose based (having
> ar9287 chipset) wifi module in AP and other settings.
You'd better to compile hostapd from sources (trunk or release candidate)
if you want to use n-mode. As I remember 0.7.3 works bad in N.
>> Acually, i want to set the module's hw_mode(Network mode) with some
> options as listed bellow.
>> 1) b only mode
> 2) g only mode
> 3) n only mode
> 4) b&g mode
> 5) b&n mode
> 6) g&n mode
> 7) mixed (b/g&n) mode
>> i have referred hostapd.conf and as per my knowledge, i think it can
> allow to set options as bellow listed modes.
>> 1) b only mode [by hw_mode=b and ieee80211n=0]
Yes.
> 2) g only mode [by hw_mode=g and ieee80211n=0]
Yes.
>> 5) b&n mode [by hw_mode=b and ieee80211n=1]
Yes.
> 6) g&n mode [by hw_mode=g and ieee80211n=1]
Yes.
>> If, i am correct?
>> and also, how to set rest of options, like
> 3) n only mode
n-mode works on top of b/g-mode, so you can not enable just "n".
Also you can play with ht_capab parameter, for ex to use HT40 mode.
I'm currently use ht_capab=[HT40-][SHORT-GI-40][DSSS_CCK-40][TX-STBC][RX-STBC1]
with TP-Link TL-WN851N (ar9xxx chip).
> 4) b&g mode
> 7) mixed (b/g&n) mode
Can't give an answer to you about b-mode, it's a bit old and I never used it.
>> Thanks,
> Darshan Prajapati.
>>
*******************************************************************************
b only mode:
iwconfig:
wlan0 IEEE 802.11bg ESSID:"AndroidAPn"
Mode:Managed Frequency:2.437 GHz Access Point: 5C:0A:5B:E0:A5:59
Bit Rate=18 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=69/70 Signal level=-41 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:42 Missed beacon:0
g only mode:
iwconfig:
wlan0 IEEE 802.11bg ESSID:"AndroidAPn"
Mode:Managed Frequency:2.437 GHz Access Point: 5C:0A:5B:E0:A5:59
Bit Rate=48 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=69/70 Signal level=-41 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:37 Missed beacon:0
g&n mode:
wlan0 IEEE 802.11bg ESSID:"AndroidAPn"
Mode:Managed Frequency:2.437 GHz Access Point: 5C:0A:5B:E0:A5:59
Bit Rate=48 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=66/70 Signal level=-44 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:34 Missed beacon:0
好像我的WIFI Client只支持b和g mode, 即使WIFI Server设置为n mode,
Client也只能支持到g mode.
**************************************************************************
WIFI Client信息：
wv@wv-ThinkPad-SL:~$ iw list
Wiphy phy0
Band 1:
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (20.0 dBm) (passive scanning)
* 2472 MHz [13] (20.0 dBm) (passive scanning)
* 2484 MHz [14] (disabled)
Bitrates (non-HT):
* 1.0 Mbps
* 2.0 Mbps (short preamble supported)
* 5.5 Mbps (short preamble supported)
* 11.0 Mbps (short preamble supported)
* 6.0 Mbps
* 9.0 Mbps
* 12.0 Mbps
* 18.0 Mbps
* 24.0 Mbps
* 36.0 Mbps
* 48.0 Mbps
* 54.0 Mbps
max # scan SSIDs: 4
max scan IEs length: 2285 bytes
Coverage class: 0 (up to 0m)
Supported Ciphers:
* WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5)
* TKIP (00-0f-ac:2)
* CCMP (00-0f-ac:4)
Available Antennas: TX 0x3 RX 0x3
Configured Antennas: TX 0x3 RX 0x3
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
software interface modes (can always be added):
* AP/VLAN
* monitor
valid interface combinations:
* #{ managed } <= 2048, #{ AP, mesh point } <= 4,
total <= 2048, #channels <= 1
Supported commands:
* new_interface
* set_interface
* new_key
* new_beacon
* new_station
* new_mpath
* set_mesh_params
* set_bss
* authenticate
* associate
* deauthenticate
* disassociate
* join_ibss
* join_mesh
* set_tx_bitrate_mask
* action
* frame_wait_cancel
* set_wiphy_netns
* set_channel
* set_wds_peer
* Unknown command (84)
* Unknown command (87)
* Unknown command (85)
* testmode
* connect
* disconnect
Supported TX frame types:
* IBSS: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* managed: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* AP: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* AP/VLAN: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* mesh point: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* P2P-client: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
* P2P-GO: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
Supported RX frame types:
* IBSS: 0x00d0
* managed: 0x0040 0x00d0
* AP: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
* AP/VLAN: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
* mesh point: 0x00b0 0x00c0 0x00d0
* P2P-client: 0x0040 0x00d0
* P2P-GO: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
Device supports RSN-IBSS.
hostpd.conf设置
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