lib80211: silence excessive crypto debugging messages

When they were part of the now defunct ieee80211 component, these messages were only visible when special debugging settings were enabled. Let's mirror that with a new lib80211 debugging Kconfig option. Signed-off-by: John W. Linville <linville@tuxdriver.com>
git-mirror · Mar 16, 2009 · 6f16bf3 · 6f16bf3
1 parent ea8dbdd
commit 6f16bf3
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diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
@@ -102,3 +102,13 @@ config LIB80211_CRYPT_CCMP
 
 config LIB80211_CRYPT_TKIP
 	tristate
+
+config LIB80211_DEBUG
+	bool "lib80211 debugging messages"
+	depends on LIB80211
+	default n
+	---help---
+	  You can enable this if you want verbose debugging messages
+	  from lib80211.
+
+	  If unsure, say N.
diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
@@ -337,6 +337,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	pos += 8;
 
 	if (ccmp_replay_check(pn, key->rx_pn)) {
+#ifdef CONFIG_LIB80211_DEBUG
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: replay detected: STA=%pM "
 				 "previous PN %02x%02x%02x%02x%02x%02x "
@@ -346,6 +347,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 				 key->rx_pn[3], key->rx_pn[4], key->rx_pn[5],
 				 pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]);
 		}
+#endif
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
 	}

diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
@@ -465,12 +465,14 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	pos += 8;
 
 	if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
+#ifdef CONFIG_LIB80211_DEBUG
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
 			       " previous TSC %08x%04x received TSC "
 			       "%08x%04x\n", hdr->addr2,
 			       tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 		}
+#endif
 		tkey->dot11RSNAStatsTKIPReplays++;
 		return -4;
 	}
@@ -505,10 +507,12 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 			 * it needs to be recalculated for the next packet. */
 			tkey->rx_phase1_done = 0;
 		}
+#ifdef CONFIG_LIB80211_DEBUG
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: ICV error detected: STA="
 			       "%pM\n", hdr->addr2);
 		}
+#endif
 		tkey->dot11RSNAStatsTKIPICVErrors++;
 		return -5;
 	}