802.11 w/ WEP requires deftxkey explicitly set after 2007-08-24

Sam Leffler sam at errno.com
Tue Nov 27 16:00:37 PST 2007

Tom Uffner wrote:
> Last night when i updated my laptop from June 26's CURRENT to CURRENT
> as of a few days ago my wireless connection stopped working for no
> apparent reason.
> What was wrong became painfully obvious once I tracked the problem
> back to this commit:
> sam         2007-08-24 15:44:27 UTC
>   FreeBSD src repository
>   Modified files:
>     sys/net80211         ieee80211_output.c
>   Log:
>   drop frames marked for encryption when no key is available
>   Reviewed by:    avatar
>   Approved by:    re (kensmith)
>   Obtained from:  madwifi
>   Revision  Changes    Path
>   1.51      +1 -0      src/sys/net80211/ieee80211_output.c
> Up until this change i didn't need to set deftxkey, it seems to have
> defaulted to wepkey 1 which i did have set. It is an obvious workaround
> now, but a note in UPDATING would have saved me about 9 hours of reading
> commitlogs, building kernels and rebooting (on an old slow laptop).
> If it doesn't violate the standard, could we make deftxkey default to
> the lowest indexed WEP key that has been set? if not, could we mention
> it in UPDATING and/or ifconfig(8) lest it bite someone else.

deftxkey has defaulted to an undefined state since 6.0.  Perhaps you can 
show the specific case that is a regression for you.


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