From 7f3ad8943e2e6336ba229b208be8c7a80730c5d4 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Tue, 6 Nov 2007 17:12:31 -0500 Subject: [PATCH] mac80211: make "decrypt failed" messages conditional upon MAC80211_DEBUG Make "decrypt failed" and "have no key" debugging messages compile conditionally upon CONFIG_MAC80211_DEBUG. They have been useful for finding certain problems in the past, but in many cases they just clutter a user's logs. A typical example is an enviornment where multiple SSIDs are using a single BSSID but with different protection schemes or different keys for each SSID. In such an environment these messages are just noise. Let's just leave them for those interested enough to turn-on debugging. Signed-off-by: John W. Linville --- net/mac80211/rx.c | 2 ++ net/mac80211/wep.c | 2 ++ net/mac80211/wpa.c | 18 ++++++++++++------ 3 files changed, 16 insertions(+), 6 deletions(-) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index ece77766ea2b..428a9fcf57d6 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -509,9 +509,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) rx->key->tx_rx_count++; /* TODO: add threshold stuff again */ } else { +#ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "%s: RX protected frame," " but have no key\n", rx->dev->name); +#endif /* CONFIG_MAC80211_DEBUG */ return TXRX_DROP; } diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index a84a23310ff4..9bf0e1cc530a 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -314,9 +314,11 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { +#ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "%s: RX WEP frame, decrypt " "failed\n", rx->dev->name); +#endif /* CONFIG_MAC80211_DEBUG */ return TXRX_DROP; } } else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) { diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 6695efba57ec..20cec1cb956f 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -323,9 +323,12 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) &rx->u.rx.tkip_iv32, &rx->u.rx.tkip_iv16); if (res != TKIP_DECRYPT_OK || wpa_test) { - printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from " - "%s (res=%d)\n", - rx->dev->name, print_mac(mac, rx->sta->addr), res); +#ifdef CONFIG_MAC80211_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "%s: TKIP decrypt failed for RX " + "frame from %s (res=%d)\n", rx->dev->name, + print_mac(mac, rx->sta->addr), res); +#endif /* CONFIG_MAC80211_DEBUG */ return TXRX_DROP; } @@ -594,9 +597,12 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) skb->data + hdrlen + CCMP_HDR_LEN, data_len, skb->data + skb->len - CCMP_MIC_LEN, skb->data + hdrlen + CCMP_HDR_LEN)) { - printk(KERN_DEBUG "%s: CCMP decrypt failed for RX " - "frame from %s\n", rx->dev->name, - print_mac(mac, rx->sta->addr)); +#ifdef CONFIG_MAC80211_DEBUG + if (net_ratelimit()) + printk(KERN_DEBUG "%s: CCMP decrypt failed " + "for RX frame from %s\n", rx->dev->name, + print_mac(mac, rx->sta->addr)); +#endif /* CONFIG_MAC80211_DEBUG */ return TXRX_DROP; } } -- 2.20.1