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From: Andreas Schwab <schwab@suse.de>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: John Linville <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, Bcm43xx-dev@lists.berlios.de,
	Michael Buesch <mb@bu3sch.de>
Subject: Re: [PATCH] ieee80211-crypt: Make some TKIP and CCMP error logging conditional on IEEE80211_DEBUG_DROP
Date: Mon, 16 Apr 2007 20:05:10 +0200	[thread overview]
Message-ID: <jeirbwfb55.fsf@sykes.suse.de> (raw)
In-Reply-To: <461a68c9.Nx0/XQSxDR1PJhM4%Larry.Finger@lwfinger.net> (Larry Finger's message of "Mon, 09 Apr 2007 11:24:41 -0500")

Larry Finger <Larry.Finger@lwfinger.net> writes:

> There are messages arising from ieee80211_crypt that spam the logs of
> casual users. These are changed to be logged only if the user specifi=
cally
> requests the IEEE80211_DEBUG_DROP messages. In either case, the error=
/drop count
> is incremented.
>
> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
> ---
>
> Index: wireless-2.6/net/ieee80211/ieee80211_crypt_tkip.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- wireless-2.6.orig/net/ieee80211/ieee80211_crypt_tkip.c
> +++ wireless-2.6/net/ieee80211/ieee80211_crypt_tkip.c
> @@ -465,7 +465,7 @@ static int ieee80211_tkip_decrypt(struct
> =20
>  	if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
>  		if (net_ratelimit()) {
> -			printk(KERN_DEBUG "TKIP: replay detected: STA=3D" MAC_FMT
> +			IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=3D" MAC_FMT
>  			       " previous TSC %08x%04x received TSC "
>  			       "%08x%04x\n", MAC_ARG(hdr->addr2),
>  			       tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
> @@ -507,7 +507,7 @@ static int ieee80211_tkip_decrypt(struct
>  			tkey->rx_phase1_done =3D 0;
>  		}
>  		if (net_ratelimit()) {
> -			printk(KERN_DEBUG "TKIP: ICV error detected: STA=3D"
> +			IEEE80211_DEBUG_DROP("TKIP: ICV error detected: STA=3D"
>  			       MAC_FMT "\n", MAC_ARG(hdr->addr2));
>  		}
>  		tkey->dot11RSNAStatsTKIPICVErrors++;
> Index: wireless-2.6/net/ieee80211/ieee80211_crypt_ccmp.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- wireless-2.6.orig/net/ieee80211/ieee80211_crypt_ccmp.c
> +++ wireless-2.6/net/ieee80211/ieee80211_crypt_ccmp.c
> @@ -338,7 +338,7 @@ static int ieee80211_ccmp_decrypt(struct
> =20
>  	if (ccmp_replay_check(pn, key->rx_pn)) {
>  		if (net_ratelimit()) {
> -			printk(KERN_DEBUG "CCMP: replay detected: STA=3D" MAC_FMT
> +			IEEE80211_DEBUG_DROP("CCMP: replay detected: STA=3D" MAC_FMT
>  			       " previous PN %02x%02x%02x%02x%02x%02x "
>  			       "received PN %02x%02x%02x%02x%02x%02x\n",
>  			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
>
>

This is causing an undefined refrence to ieee80211_debug_level with
CONFIG_IEEE80211_DEBUG=3Dy and CONFIG_IEEE80211_CRYPT_CCMP=3Dm and/or
CONFIG_IEEE80211_CRYPT_TKIP=3Dm.

WARNING: "ieee80211_debug_level" [net/ieee80211/ieee80211_crypt_tkip.ko=
] undefined!
WARNING: "ieee80211_debug_level" [net/ieee80211/ieee80211_crypt_ccmp.ko=
] undefined!

Andreas.

--=20
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany
PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4=
ED5
"And now for something completely different."
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  reply	other threads:[~2007-04-16 18:05 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-09 16:24 [PATCH] ieee80211-crypt: Make some TKIP and CCMP error logging conditional on IEEE80211_DEBUG_DROP Larry Finger
2007-04-16 18:05 ` Andreas Schwab [this message]
2007-04-16 18:50   ` Larry Finger
2007-04-16 20:37     ` Michael Buesch
2007-04-17  0:24       ` Larry Finger
2007-04-17 13:12         ` John W. Linville
2007-04-17 14:25           ` Dan Williams
2007-04-17 15:21             ` John W. Linville
2007-04-17 18:49               ` Dan Williams
2007-04-17 15:41             ` [PATCH] ieee80211-crypt: Make some TKIP and CCMP error loggingconditional " Jouni Malinen
2007-04-17 20:40               ` Michael Buesch

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