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>

3 files changed, 16 insertions, 0 deletions

diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index e28e2b8fa436..092ae6faccca 100644
--- 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
index db428194c16a..2301dc1edc4c 100644
--- 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
index 7e8e22bfed90..c36287399d7e 100644
--- 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;
         }