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mac80211: 802.11w - Use BIP (AES-128-CMAC)

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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>
This commit is contained in:
Jouni Malinen
2009-01-08 13:32:02 +02:00
committed by John W. Linville
parent 765cb46a3f
commit 3cfcf6ac6d
14 changed files with 317 additions and 21 deletions
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6
net/mac80211/key.h
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@@ -46,6 +46,8 @@ struct sta_info;
* acceleration.
* @KEY_FLAG_TODO_DEFKEY: Key is default key and debugfs needs to be updated.
* @KEY_FLAG_TODO_ADD_DEBUGFS: Key needs to be added to debugfs.
* @KEY_FLAG_TODO_DEFMGMTKEY: Key is default management key and debugfs needs
* to be updated.
*/
enum ieee80211_internal_key_flags {
KEY_FLAG_UPLOADED_TO_HARDWARE = BIT(0),
@@ -54,6 +56,7 @@ enum ieee80211_internal_key_flags {
KEY_FLAG_TODO_HWACCEL_REMOVE = BIT(3),
KEY_FLAG_TODO_DEFKEY = BIT(4),
KEY_FLAG_TODO_ADD_DEBUGFS = BIT(5),
KEY_FLAG_TODO_DEFMGMTKEY = BIT(6),
};
struct tkip_ctx {
@@ -124,6 +127,7 @@ struct ieee80211_key {
struct dentry *tx_spec;
struct dentry *rx_spec;
struct dentry *replays;
struct dentry *icverrors;
struct dentry *key;
struct dentry *ifindex;
int cnt;
@@ -150,6 +154,8 @@ void ieee80211_key_link(struct ieee80211_key *key,
struct sta_info *sta);
void ieee80211_key_free(struct ieee80211_key *key);
void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx);
void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata,
int idx);
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata);
void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata);