Signed-off-by: Phoebe Buckheister <phoebe.buckheis...@itwm.fraunhofer.de>
---
net/mac802154/Makefile | 3 +-
net/mac802154/llsec.c | 139 +++++++++++++++++++++++++++++++++++++++++++++
net/mac802154/llsec.h | 9 +++
net/mac802154/mac802154.h | 1 +
4 files changed, 151 insertions(+), 1 deletion(-)
create mode 100644 net/mac802154/llsec.c
diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile
index 15d62df5..9723d6f 100644
--- a/net/mac802154/Makefile
+++ b/net/mac802154/Makefile
@@ -1,4 +1,5 @@
obj-$(CONFIG_MAC802154) += mac802154.o
-mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o monitor.o
wpan.o
+mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o \
+ monitor.o wpan.o llsec.o
ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
new file mode 100644
index 0000000..5314522
--- /dev/null
+++ b/net/mac802154/llsec.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2014 Fraunhofer ITWM
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Phoebe Buckheister <phoebe.buckheis...@itwm.fraunhofer.de>
+ */
+
+#include <linux/err.h>
+#include <linux/bug.h>
+#include <linux/completion.h>
+#include <net/ieee802154.h>
+
+#include "mac802154.h"
+#include "llsec.h"
+
+void mac802154_llsec_init(struct mac802154_llsec *sec)
+{
+ memset(sec, 0, sizeof(*sec));
+
+ memset(&sec->params.default_key_source, 0xFF, IEEE802154_ADDR_LEN);
+
+ INIT_LIST_HEAD(&sec->table.security_levels);
+ INIT_LIST_HEAD(&sec->table.devices);
+ INIT_LIST_HEAD(&sec->table.keys);
+ hash_init(sec->devices_short);
+ hash_init(sec->devices_hw);
+ spin_lock_init(&sec->lock);
+}
+
+void mac802154_llsec_destroy(struct mac802154_llsec *sec)
+{
+ struct ieee802154_llsec_seclevel *sl, *sn;
+ struct ieee802154_llsec_device *dev, *dn;
+ struct ieee802154_llsec_key_entry *key, *kn;
+
+ list_for_each_entry_safe(sl, sn, &sec->table.security_levels, list) {
+ struct mac802154_llsec_seclevel *msl;
+
+ msl = container_of(sl, struct mac802154_llsec_seclevel, level);
+ list_del(&sl->list);
+ kfree(msl);
+ }
+
+ list_for_each_entry_safe(dev, dn, &sec->table.devices, list) {
+ struct mac802154_llsec_device *mdev;
+
+ mdev = container_of(dev, struct mac802154_llsec_device, dev);
+ list_del(&dev->list);
+ kfree(mdev);
+ }
+
+ list_for_each_entry_safe(key, kn, &sec->table.keys, list) {
+ struct mac802154_llsec_key *mkey;
+
+ mkey = container_of(key->key, struct mac802154_llsec_key, key);
+ list_del(&key->list);
+ llsec_key_put(mkey);
+ kfree(key);
+ }
+}
+
+
+
+int mac802154_llsec_get_params(struct mac802154_llsec *sec,
+ struct ieee802154_llsec_params *params)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&sec->lock, flags);
+ *params = sec->params;
+ spin_unlock_irqrestore(&sec->lock, flags);
+
+ return 0;
+}
+
+int mac802154_llsec_set_params(struct mac802154_llsec *sec,
+ const struct ieee802154_llsec_params *params,
+ int changed)
+{
+ struct mac802154_llsec_key *key = NULL;
+ struct ieee802154_llsec_key_entry *pos;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sec->lock, flags);
+
+ if (changed & IEEE802154_LLSEC_PARAM_OUT_KEY) {
+ list_for_each_entry(pos, &sec->table.keys, list) {
+ if (!llsec_key_id_equal(&pos->id, ¶ms->out_key))
+ continue;
+
+ key = container_of(pos->key, struct mac802154_llsec_key,
+ key);
+ break;
+ }
+
+ if (!key) {
+ spin_unlock_irqrestore(&sec->lock, flags);
+ return -ENOENT;
+ }
+ }
+
+ if (changed & IEEE802154_LLSEC_PARAM_ENABLED)
+ sec->params.enabled = params->enabled;
+ if (changed & IEEE802154_LLSEC_PARAM_FRAME_COUNTER)
+ sec->params.frame_counter = params->frame_counter;
+ if (changed & IEEE802154_LLSEC_PARAM_OUT_LEVEL)
+ sec->params.out_level = params->out_level;
+ if (changed & IEEE802154_LLSEC_PARAM_OUT_KEY) {
+ sec->params.out_key = params->out_key;
+ sec->out_key = key;
+ }
+ if (changed & IEEE802154_LLSEC_PARAM_KEY_SOURCE)
+ sec->params.default_key_source = params->default_key_source;
+ if (changed & IEEE802154_LLSEC_PARAM_PAN_ID)
+ sec->params.pan_id = params->pan_id;
+ if (changed & IEEE802154_LLSEC_PARAM_HWADDR)
+ sec->params.hwaddr = params->hwaddr;
+ if (changed & IEEE802154_LLSEC_PARAM_COORD_HWADDR)
+ sec->params.coord_hwaddr = params->coord_hwaddr;
+ if (changed & IEEE802154_LLSEC_PARAM_COORD_SHORTADDR)
+ sec->params.coord_shortaddr = params->coord_shortaddr;
+
+ spin_unlock_irqrestore(&sec->lock, flags);
+
+ return 0;
+}
diff --git a/net/mac802154/llsec.h b/net/mac802154/llsec.h
index 80fb4a5..1315cf4 100644
--- a/net/mac802154/llsec.h
+++ b/net/mac802154/llsec.h
@@ -74,4 +74,13 @@ struct mac802154_llsec {
spinlock_t lock;
};
+void mac802154_llsec_init(struct mac802154_llsec *sec);
+void mac802154_llsec_destroy(struct mac802154_llsec *sec);
+
+int mac802154_llsec_get_params(struct mac802154_llsec *sec,
+ struct ieee802154_llsec_params *params);
+int mac802154_llsec_set_params(struct mac802154_llsec *sec,
+ const struct ieee802154_llsec_params *params,
+ int changed);
+
#endif /* MAC802154_LLSEC_H */
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index 28ef59c..e05f66e 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -23,6 +23,7 @@
#ifndef MAC802154_H
#define MAC802154_H
+#include <net/mac802154.h>
#include <net/ieee802154_netdev.h>
/* mac802154 device private data */
--
1.7.9.5
------------------------------------------------------------------------------
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