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

[Kevin Lo]

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


> regards,
> Weongyo Jeong

	Kevin