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mac80211: Support BIGTK configuration for Beacon protection

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Extend mac80211 key configuration to support the new BIGTK with key
index values 6 and 7. Support for actually protecting Beacon frames
(adding the MME in AP mode and checking it in STA mode) is covered in
separate commits.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20200222132548.20835-3-jouni@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jouni Malinen
2020-02-22 15:25:44 +02:00
committed by Johannes Berg
parent 56be393fa8
commit e5473e80d4
7 changed files with 104 additions and 5 deletions
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31
net/mac80211/debugfs_key.c
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@@ -433,6 +433,37 @@ void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sda
sdata->debugfs.default_mgmt_key = NULL;
}
void
ieee80211_debugfs_key_add_beacon_default(struct ieee80211_sub_if_data *sdata)
{
char buf[50];
struct ieee80211_key *key;
if (!sdata->vif.debugfs_dir)
return;
key = key_mtx_dereference(sdata->local,
sdata->default_beacon_key);
if (key) {
sprintf(buf, "../keys/%d", key->debugfs.cnt);
sdata->debugfs.default_beacon_key =
debugfs_create_symlink("default_beacon_key",
sdata->vif.debugfs_dir, buf);
} else {
ieee80211_debugfs_key_remove_beacon_default(sdata);
}
}
void
ieee80211_debugfs_key_remove_beacon_default(struct ieee80211_sub_if_data *sdata)
{
if (!sdata)
return;
debugfs_remove(sdata->debugfs.default_beacon_key);
sdata->debugfs.default_beacon_key = NULL;
}
void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
struct sta_info *sta)
{