On Tuesday 19 February 2008 17:49:30 Kaspo Lo wrote:
> Hallo ...
>
> My usb wifi (SMCWUSBT-G2/ar5523) is actually running. it shows in
> ifconfig, but when i want to set it in monitor mode, it likely had
> something i dont know how. What should i do ..
>
> #ifconfig uath0
> uath0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> lladdr 00:13:f7:79:03:27
> groups: wlan
> media: IEEE802.11 autoselect (DS1)
> status: no network
> ieee80211: nwid "" 100dBm
> inet6 fe80::213:f7ff:fe79:327%uath0 prefixlen 64 scopeid 0x4
> inet 72.51.27.51 netmask 0xff000000 broadcast 72.51.27.51
> #
> #ifconfig uath0 mediaopt monitor
> ifconfig: SIOCSIFMEDIA: Invalid Argument
> #

The monitor mode capabilities flag is missing. Try out the following
diff..

Index: if_uath.c
================================================== =================
RCS file: /cvs/src/sys/dev/usb/if_uath.c,v
retrieving revision 1.32
diff -u -p -r1.32 if_uath.c
--- if_uath.c 21 Jan 2008 12:57:31 -0000 1.32
+++ if_uath.c 19 Feb 2008 23:35:12 -0000
@@ -372,7 +372,8 @@ uath_attach(struct device *parent, struc
IEEE80211_C_TXPMGT | /* tx power management */
IEEE80211_C_SHPREAMBLE | /* short preamble supported */
IEEE80211_C_SHSLOT | /* short slot time supported */
- IEEE80211_C_WEP; /* h/w WEP */
+ IEEE80211_C_WEP | /* h/w WEP */
+ IEEE80211_C_MONITOR; /* monitor mode supported */

/* set supported .11b and .11g rates */
ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;

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