diff options
| -rw-r--r-- | include/net/mac80211.h | 20 | ||||
| -rw-r--r-- | net/mac80211/key.c | 49 |
2 files changed, 69 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 1328b7166460..2d01280c0564 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -5322,6 +5322,26 @@ void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid, const u8 *replay_ctr, gfp_t gfp); /** + * ieee80211_key_mic_failure - increment MIC failure counter for the key + * + * Note: this is really only safe if no other RX function is called + * at the same time. + * + * @keyconf: the key in question + */ +void ieee80211_key_mic_failure(struct ieee80211_key_conf *keyconf); + +/** + * ieee80211_key_replay - increment replay counter for the key + * + * Note: this is really only safe if no other RX function is called + * at the same time. + * + * @keyconf: the key in question + */ +void ieee80211_key_replay(struct ieee80211_key_conf *keyconf); + +/** * ieee80211_wake_queue - wake specific queue * @hw: pointer as obtained from ieee80211_alloc_hw(). * @queue: queue number (counted from zero). diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 8c5f829ff6d7..a4817aa4b171 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -1300,3 +1300,52 @@ ieee80211_gtk_rekey_add(struct ieee80211_vif *vif, return &key->conf; } EXPORT_SYMBOL_GPL(ieee80211_gtk_rekey_add); + +void ieee80211_key_mic_failure(struct ieee80211_key_conf *keyconf) +{ + struct ieee80211_key *key; + + key = container_of(keyconf, struct ieee80211_key, conf); + + switch (key->conf.cipher) { + case WLAN_CIPHER_SUITE_AES_CMAC: + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + key->u.aes_cmac.icverrors++; + break; + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + key->u.aes_gmac.icverrors++; + break; + default: + /* ignore the others for now, we don't keep counters now */ + break; + } +} +EXPORT_SYMBOL_GPL(ieee80211_key_mic_failure); + +void ieee80211_key_replay(struct ieee80211_key_conf *keyconf) +{ + struct ieee80211_key *key; + + key = container_of(keyconf, struct ieee80211_key, conf); + + switch (key->conf.cipher) { + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: + key->u.ccmp.replays++; + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + key->u.aes_cmac.replays++; + break; + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + key->u.aes_gmac.replays++; + break; + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + key->u.gcmp.replays++; + break; + } +} +EXPORT_SYMBOL_GPL(ieee80211_key_replay); |