Messages in this thread Patch in this message | | | Date | Sat, 05 Jul 2008 23:55:10 +0200 | Subject | [PATCH] make decrypt messages depend on CONFIG_IEEE80211_DEBUG | From | "Jonas Karlsson" <> |
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Here's a corresponding patch for commit 7f3ad8943e2e6336ba229b208be8c7a80730c5d4 but for the old ieee80211 stack, which is still used for, at least, ipw2x00 cards. It will make decrypt and key debug errors depend on CONFIG_IEEE80211_DEBUG. Without this the logs will be filled with debug printouts.
-- Jonas Karlsson
(please CC me when replying)
--- linux-2.6.25.10/net/ieee80211/ieee80211_crypt_ccmp.c.old 2008-07-05 22:36:45.000000000 +0200 +++ linux-2.6.25.10/net/ieee80211/ieee80211_crypt_ccmp.c 2008-07-05 22:38:30.000000000 +0200 @@ -307,25 +307,31 @@ pos = skb->data + hdr_len; keyidx = pos[3]; if (!(keyidx & (1 << 5))) { +#ifdef CONFIG_IEEE80211_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "CCMP: received packet without ExtIV" " flag from %s\n", print_mac(mac, hdr->addr2)); } +#endif key->dot11RSNAStatsCCMPFormatErrors++; return -2; } keyidx >>= 6; if (key->key_idx != keyidx) { +#ifdef CONFIG_IEEE80211_DEBUG printk(KERN_DEBUG "CCMP: RX tkey->key_idx=%d frame " "keyidx=%d priv=%p\n", key->key_idx, keyidx, priv); +#endif return -6; } if (!key->key_set) { +#ifdef CONFIG_IEEE80211_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "CCMP: received packet from %s" " with keyid=%d that does not have a configured" " key\n", print_mac(mac, hdr->addr2), keyidx); } +#endif return -3; }
@@ -338,6 +344,7 @@ pos += 8;
if (ccmp_replay_check(pn, key->rx_pn)) { +#ifdef CONFIG_IEEE80211_DEBUG if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) { IEEE80211_DEBUG_DROP("CCMP: replay detected: STA=%s " "previous PN %02x%02x%02x%02x%02x%02x " @@ -347,6 +354,7 @@ 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; } @@ -371,10 +379,12 @@ }
if (memcmp(mic, a, CCMP_MIC_LEN) != 0) { +#ifdef CONFIG_IEEE80211_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "CCMP: decrypt failed: STA=" "%s\n", print_mac(mac, hdr->addr2)); } +#endif key->dot11RSNAStatsCCMPDecryptErrors++; return -5; }
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