write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/net/mac80211/debugfs_key.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2003-2005	Devicescape Software, Inc.
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  * Copyright (c) 2006	Jiri Benc <jbenc@suse.cz>
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  * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
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  * Copyright (C) 2015	Intel Deutschland GmbH
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/kobject.h>
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@@ -342,9 +339,6 @@
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 	key->debugfs.dir = debugfs_create_dir(buf,
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 					key->local->debugfs.keys);
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-	if (!key->debugfs.dir)
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-		return;
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-
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 	sta = key->sta;
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 	if (sta) {
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 		sprintf(buf, "../../netdev:%s/stations/%pM",
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@@ -439,6 +433,37 @@
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 	sdata->debugfs.default_mgmt_key = NULL;
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 }
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+void
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+ieee80211_debugfs_key_add_beacon_default(struct ieee80211_sub_if_data *sdata)
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+{
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+	char buf[50];
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+	struct ieee80211_key *key;
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+
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+	if (!sdata->vif.debugfs_dir)
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+		return;
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+
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+	key = key_mtx_dereference(sdata->local,
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+				  sdata->default_beacon_key);
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+	if (key) {
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+		sprintf(buf, "../keys/%d", key->debugfs.cnt);
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+		sdata->debugfs.default_beacon_key =
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+			debugfs_create_symlink("default_beacon_key",
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+					       sdata->vif.debugfs_dir, buf);
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+	} else {
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+		ieee80211_debugfs_key_remove_beacon_default(sdata);
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+	}
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+}
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+
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+void
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+ieee80211_debugfs_key_remove_beacon_default(struct ieee80211_sub_if_data *sdata)
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+{
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+	if (!sdata)
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+		return;
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+
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+	debugfs_remove(sdata->debugfs.default_beacon_key);
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+	sdata->debugfs.default_beacon_key = NULL;
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+}
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+
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 void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
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 				   struct sta_info *sta)
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 {