diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2014-06-04 17:06:23 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-06-23 11:05:31 +0200 |
| commit | ba9030c20a2def223d9b993cb3dfdd3aab3d2b31 (patch) | |
| tree | 8256d324629c79986a117d1a28474b99370e1829 /net/mac80211/wep.c | |
| parent | b314c669905cbef00fed33028c61c96efeea08f5 (diff) | |
mac80211: remove weak WEP IV accounting
Since WEP is practically dead, there seems very little
point in keeping WEP weak IV accounting.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/wep.c')
| -rw-r--r-- | net/mac80211/wep.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 6ee2b5863572..9181fb6d6437 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -271,22 +271,6 @@ static int ieee80211_wep_decrypt(struct ieee80211_local *local, return ret; } - -static bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, - struct ieee80211_key *key) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - unsigned int hdrlen; - u8 *ivpos; - u32 iv; - - hdrlen = ieee80211_hdrlen(hdr->frame_control); - ivpos = skb->data + hdrlen; - iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2]; - - return ieee80211_wep_weak_iv(iv, key->conf.keylen); -} - ieee80211_rx_result ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx) { @@ -301,16 +285,12 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx) if (!(status->flag & RX_FLAG_DECRYPTED)) { if (skb_linearize(rx->skb)) return RX_DROP_UNUSABLE; - if (rx->sta && ieee80211_wep_is_weak_iv(rx->skb, rx->key)) - rx->sta->wep_weak_iv_count++; if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) return RX_DROP_UNUSABLE; } else if (!(status->flag & RX_FLAG_IV_STRIPPED)) { if (!pskb_may_pull(rx->skb, ieee80211_hdrlen(fc) + IEEE80211_WEP_IV_LEN)) return RX_DROP_UNUSABLE; - if (rx->sta && ieee80211_wep_is_weak_iv(rx->skb, rx->key)) - rx->sta->wep_weak_iv_count++; ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key); /* remove ICV */ if (pskb_trim(rx->skb, rx->skb->len - IEEE80211_WEP_ICV_LEN)) |