Date: Tue, 27 May 2008 09:12:32 -0700 From: Sam Leffler <sam@freebsd.org> To: Ian Smith <smithi@nimnet.asn.au> Cc: Lystopad Oleksandr <laa@laa.zp.ua>, freebsd-mobile@freebsd.org Subject: Re: ral0 <--> wi0 (4.11) ? Message-ID: <483C32F0.2060809@freebsd.org> In-Reply-To: <Pine.BSF.3.96.1080527210604.4958A-100000@gaia.nimnet.asn.au> References: <Pine.BSF.3.96.1080527210604.4958A-100000@gaia.nimnet.asn.au>
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Ian Smith wrote:
> On Tue, 27 May 2008, Lystopad Oleksandr wrote:
> > Hi!
> >
> > I need to build wireless link between FreeBSD 4.11 with wi0 (adhoc)
> > interface and FreeBSD 7.0 with ral0 interface. I try many modes and
> > mediaopts, but no luck. :(
> >
> > Please, help me build wireless network with that environment.
>
> By omission, ral(4) implies that it won't do adhoc or hostap modes -
> despite what ifconfig says below, perhaps what you told it? - so you
> maybe can only use it in a BSS network, to an access point. Boring.
>
ral should do ap mode and the driver claims to do ibss though I've not
tried it. When in doubt
ifconfig ral0 list caps
should show the supported operating modes (ifconfig -m ral0 on 7.x and
earlier).
> That they both say 'associated' means they can 'see' each other, but
> still have no common mode to talk in. Been there, it's confusing ..
>
"associated" is a misnomer for anything but station mode. In HEAD I
changed this status to say "running" for !sta mode.
To understand what's happening in 7.0 you can turn on debugging with
wlandebug and/or check the neighbor table with
ifconfig ral0 list sta
> Possibly the only way these two can talk is if your wi(4) card uses a
> Prism chipset, and so may work in hostap mode. Mine's a Cabletron with
> Lucent chipset, which can't, but works fine in 11b adhoc or BSS modes.
>
> Your best bet might be replacing one or the other with an Atheros card,
> which can do all three of adhoc (IBSS), BSS client or hostap modes, so
> should talk to either - or both, in hostap mode - of the others.
>
Try getting some debug info. It'd also be worth identifying which
ralink card is being used as the driver is actually a sandwich of N
drivers, one for each part, and each totally separate.
Sam
> cheers, Ian
>
> > [root@pavilion /etc]# uname -rs
> > FreeBSD 7.0-STABLE
> > [root@pavilion /etc]# ifconfig ral0
> > ral0: flags=c847<UP,BROADCAST,DEBUG,RUNNING,SIMPLEX,LINK2,MULTICAST> metric 0 mtu 1500
> > ether 00:0f:66:74:8b:2b
> > inet 192.168.126.2 netmask 0xfffffffc broadcast 192.168.126.3
> > media: IEEE 802.11 Wireless Ethernet DS/11Mbps mode 11b (DS/11Mbps <adhoc>)
> > status: associated
> > ssid 42bc9b channel 3 (2422 Mhz 11b) bssid 2a:05:70:ac:3f:fe
> > authmode OPEN privacy OFF txpower 50 bmiss 7 scanvalid 60 bgscan
> > bgscanintvl 300 bgscanidle 250 roam:rssi11b 7 roam:rate11b 1
> > [root@pavilion /etc]# grep ral /var/run/dmesg.boot
> > ral0: <Ralink Technology RT2560> mem 0xfdbfe000-0xfdbfffff irq 18 at device 10.0 on pci1
> > ral0: MAC/BBP RT2560 (rev 0x04), RF RT2525
> > ral0: Ethernet address: 00:0f:66:74:8b:2b
> > ral0: [ITHREAD]
> > [root@pavilion /etc]#
> >
> >
> > unix# uname -rs
> > FreeBSD 4.11-STABLE
> > unix# ifconfig wi0
> > wi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> > inet 192.168.126.1 netmask 0xfffffffc broadcast 192.168.126.3
> > ether 00:02:2d:05:77:1e
> > media: IEEE 802.11 Wireless Ethernet autoselect (DS/11Mbps <adhoc>)
> > status: associated
> > ssid 42bc9b 1:42bc9b
> > stationname unix
> > channel 3 authmode OPEN powersavemode OFF powersavesleep 100
> > wepmode OFF weptxkey 1
> > unix#
> >
> > PING 192.168.126.2 (192.168.126.2): 56 data bytes
> > ping: sendto: Host is down
> > ping: sendto: Host is down
> > ^C
> > --- 192.168.126.2 ping statistics ---
> > 8 packets transmitted, 0 packets received, 100% packet loss
> >
> > Thanks.
> >
> > --
> > Oleksandr Lystopad
>
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