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authorJouni Malinen <j@w1.fi>2009-01-08 14:32:02 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-01-30 00:00:03 +0300
commit3cfcf6ac6d69dc290e96416731eea5c88ac7d426 (patch)
tree35bc626e2e3f7c37a7eb50c1f057adb4830eccc6 /net/mac80211/tx.c
parent765cb46a3fc856245ea68a7c961ac87c77e4ae2d (diff)
downloadlinux-3cfcf6ac6d69dc290e96416731eea5c88ac7d426.tar.xz
mac80211: 802.11w - Use BIP (AES-128-CMAC)
Add mechanism for managing BIP keys (IGTK) and integrate BIP into the TX/RX paths. Signed-off-by: Jouni Malinen <j@w1.fi> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 50c6c4fabea5..ad53ea9e9c77 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -425,6 +425,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
tx->key = NULL;
else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
tx->key = key;
+ else if (ieee80211_is_mgmt(hdr->frame_control) &&
+ (key = rcu_dereference(tx->sdata->default_mgmt_key)))
+ tx->key = key;
else if ((key = rcu_dereference(tx->sdata->default_key)))
tx->key = key;
else if (tx->sdata->drop_unencrypted &&
@@ -453,6 +456,10 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
tx->skb))
tx->key = NULL;
break;
+ case ALG_AES_CMAC:
+ if (!ieee80211_is_mgmt(hdr->frame_control))
+ tx->key = NULL;
+ break;
}
}
@@ -808,6 +815,8 @@ ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
return ieee80211_crypto_tkip_encrypt(tx);
case ALG_CCMP:
return ieee80211_crypto_ccmp_encrypt(tx);
+ case ALG_AES_CMAC:
+ return ieee80211_crypto_aes_cmac_encrypt(tx);
}
/* not reached */