FreeBSD-8.0 802.11n support with ath/mwl

[Rui Paulo]

On 28 Feb 2010, at 03:22, Jim Pingle wrote:

> On 2/27/2010 9:09 PM, Rui Paulo wrote:
>> On 27 Feb 2010, at 20:29, Robert Watson wrote:
>> Progress on supporting 11n with atheros cards is on going. There's much more to it than adapting the rate control algorithm. Please stay tuned.
> 
> Are you aware if similar work ongoing for the mwl(4) based 802.11n
> cards? I picked up a couple cheap this past week and have them working
> with hostapd but, as with the OP in the thread, only with G rates.
> 
> The ifconfig[1] output suggests that it is using 40MHz wide ht channels
> but devices only associate at 54Mbps[2].
> 
> Jim
> 
> [1] ifconfig mwl0_wlan1
> mwl0_wlan1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
> mtu 1500
> ether 00:01:36:17:96:0e
> inet6 fe80::201:36ff:fe17:960e%mwl0_wlan1 prefixlen 64 scopeid 0x9
> inet 192.168.15.1 netmask 0xffffff00 broadcast 192.168.15.255
> nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
> media: IEEE 802.11 Wireless Ethernet autoselect mode 11na <hostap>
> status: running
> ssid WatchTower channel 100 (5500 MHz 11a ht/40+) bssid 00:01:36:17:96:0e
> regdomain DEBUG indoor authmode WPA2/802.11i privacy MIXED deftxkey 3
> AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 14 scanvalid 60
> ampdulimit 64k ampdudensity 4 shortgi smps burst dtimperiod 1
> 
> 
> [2] ifconfig mwl0_wlan1 list sta (w/addr removed)
> AID CHAN RATE RSSI IDLE  TXSEQ  RXSEQ CAPS FLAG
> 1  120  54M 33.0    0   1537  25952 EP   A       RSN (rssi 68:20:20 nf
> 0:0:0)

mwl supports HT rates, but it looks like your AP is not sending HT rates to you.

--
Rui Paulo