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authorJouni Malinen <jouni@codeaurora.org>2020-02-22 16:25:44 +0300
committerJohannes Berg <johannes.berg@intel.com>2020-02-24 12:35:57 +0300
commite5473e80d46767ebc64dac4958f30299a3b14b1b (patch)
treed8d4d2d8604b20caf623fd7e8fbc90682bc35c96 /net/mac80211/debugfs_key.c
parent56be393fa8b40db2d4f54f97614f645eb8d3c32e (diff)
downloadlinux-e5473e80d46767ebc64dac4958f30299a3b14b1b.tar.xz
mac80211: Support BIGTK configuration for Beacon protection
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>
Diffstat (limited to 'net/mac80211/debugfs_key.c')
-rw-r--r--net/mac80211/debugfs_key.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 7b8735ced2a1..98a713475e0f 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -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)
{