Re: urtw(4) feedback.

Rui Paulo wrote:
> On 7 Oct 2009, at 13:23, Ian Freislich wrote:
> > urtw0: rtl8187b rf rtl8225z2 hwrev e
> >
> > Opening it up confirms the presence of a RTL8187B.
> >
> > However throughput is very poor, I haven't been able to get more
> > than about 130kB/s and pings seem to be timed every 1.5 seconds.
> >
> 
> This might help:
> http://p4db.freebsd.org/chv.cgi?CH=169276

Not significantly.  The stability of the wireless association is
improved throughput is nearly doubled to 240kB/s, but there's some
wierdness: it responds to ping from "outside" almost immediately,
but when the host pings out, it spaces requests at about 1.6 seconds
(which it doesn't do on the alc0 interface).

[mini] /usr/src/sys/modules/usb/urtw # time ping -c2 10.0.2.1
PING 10.0.2.1 (10.0.2.1): 56 data bytes
64 bytes from 10.0.2.1: icmp_seq=0 ttl=64 time=36.176 ms
64 bytes from 10.0.2.1: icmp_seq=1 ttl=64 time=44.282 ms

--- 10.0.2.1 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 36.176/40.229/44.282/4.053 ms

real    0m1.696s
user    0m0.000s
sys     0m0.001s

It also takes about 10 seconds for the wlan0 interface to appear
after insertion.

Ian

--
Ian Freislich