Re: CFT: Realtek 8187L wireless USB driver - urtw(4)

From: Weongyo Jeong <weongyo.jeong_at_gmail.com>
Date: Fri, 28 Nov 2008 10:56:05 +0900
On Thu, Nov 27, 2008 at 12:45:56PM +0800, Kevin Lo wrote:
> Weongyo Jeong wrote:
> > Dear all,
> 
> Hi Weongyo,
> 
> > This driver supports 8187L which is one of Realtek's 8187x series and
> > I'm looking for testers who have this device.  :-)  With lack of H/W I
> > can't add codes for 8187/8187B devices that AFAIK they can share a lot
> > of codes and can be supported without modifying many part of codes. 
> > 
> > In my environment the basic features (WEP/WPA and etc ...) are worked
> > and the driver based on USB1 (not USB2) can be found at as follows:
> > 
> > 	http://people.freebsd.org/~weongyo/urtw_20081107.tar.gz
> > 
> > I think a current problem of urtw(4) is poor RX/TX performance about
> > 8 ~ 10Mbps due to mishandling the rate controlling and I'm not sure it
> > would easy to fix it without documents but I expect the connection would
> > be stable.
> > 
> > Please let me know if you encounter any problems or opinions.  Always
> > patches to improve or enhance features are welcome!
> 
> I purchased a Safehome WLG-1500SMA5 for testing, urtw(4) for me, thanks!
> 
> > dmesg | grep urtw0
> urtw0: <vendor 0x0bda RTL8187_Wireless, class 0/0, rev 2.00/1.00, addr
> 2> on uhub4
> urtw0: WARNING: using obsoleted IFF_NEEDSGIANT flag
> urtw0: WARNING: rx buffer is smaller than 2500
> 
> > ifconfig
> urtw0: flags=108843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,NEEDSGIANT>
> metric 0 mtu 2290
>         ether 00:40:0c:04:3b:2a
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> 1500
>         ether 00:40:0c:04:3b:2a
>         inet 192.168.1.116 netmask 0xffffff00 broadcast 192.168.1.255
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
>         ssid MSI channel 8 (2447 Mhz 11g) bssid 00:11:09:0c:32:81
>         country US authmode OPEN privacy OFF txpower 0 bmiss 7 scanvalid
> 60
>         bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5
>         protmode CTS

Thank you for tests.  I'd add this device to the supported list.  :-)

regards,
Weongyo Jeong
Received on Fri Nov 28 2008 - 00:55:45 UTC

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