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Re: [PATCH V3] mac80211: Turn off meaningless TKIP message when software WEP encryption is used

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On Mon, 2007-08-13 at 17:13 -0500, Larry Finger wrote:
> For drivers that do no hardware encryption/decryption, WEP encryption
> works as long as IEEE80211_HW_INCLUDE_IV is not set in the flags variable.
> With WPA encryption and IEEE80211_HW_INCLUDE_IV not set, the logs are full
> of TKIP decrypt failure messages. Despite the messages, RX is working.
> This patch turns off the message for this case.

This is a bit strange. What's your actual key configuration? Are you
using TKIP at all? I suspect you're using TKIP for multicast and
CCMP/AES for unicast and something else is actually wrong with TKIP
leading to this.

Thing is, it looks as though all frames that trigger the message are
dropped, and I'm fairly certain we don't actually want that.

Or something in your network is actually sending bogus frames. Could you
capture some packets with wireshark on a secondary monitor interface or
a second device and send me a packet dump?

johannes

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