Signed-off-by: Phoebe Buckheister <[email protected]>
---
net/mac802154/llsec.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
net/mac802154/llsec.h | 7 ++++++
2 files changed, 71 insertions(+)
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
index 77966c1..930d150 100644
--- a/net/mac802154/llsec.c
+++ b/net/mac802154/llsec.c
@@ -432,3 +432,67 @@ int mac802154_llsec_dev_del(struct mac802154_llsec *sec,
__le64 device_addr)
return 0;
}
+
+
+
+static struct mac802154_llsec_device_key*
+llsec_devkey_find(struct mac802154_llsec_device *dev,
+ const struct ieee802154_llsec_key_id *key)
+{
+ struct ieee802154_llsec_device_key *devkey;
+
+ list_for_each_entry_rcu(devkey, &dev->dev.keys, list) {
+ if (!llsec_key_id_equal(key, &devkey->key_id))
+ continue;
+
+ return container_of(devkey, struct mac802154_llsec_device_key,
+ devkey);
+ }
+
+ return NULL;
+}
+
+int mac802154_llsec_devkey_add(struct mac802154_llsec *sec,
+ __le64 dev_addr,
+ const struct ieee802154_llsec_device_key *key)
+{
+ struct mac802154_llsec_device *dev;
+ struct mac802154_llsec_device_key *devkey;
+
+ dev = llsec_dev_find_long(sec, dev_addr);
+
+ if (!dev)
+ return -ENOENT;
+
+ if (llsec_devkey_find(dev, &key->key_id))
+ return -EEXIST;
+
+ devkey = kmalloc(sizeof(*devkey), GFP_KERNEL);
+ if (!devkey)
+ return -ENOMEM;
+
+ devkey->devkey = *key;
+ list_add_tail_rcu(&devkey->devkey.list, &dev->dev.keys);
+ return 0;
+}
+
+int mac802154_llsec_devkey_del(struct mac802154_llsec *sec,
+ __le64 dev_addr,
+ const struct ieee802154_llsec_device_key *key)
+{
+ struct mac802154_llsec_device *dev;
+ struct mac802154_llsec_device_key *devkey;
+
+ dev = llsec_dev_find_long(sec, dev_addr);
+
+ if (!dev)
+ return -ENOENT;
+
+ devkey = llsec_devkey_find(dev, &key->key_id);
+ if (!devkey)
+ return -ENOENT;
+
+ list_del_rcu(&devkey->devkey.list);
+ kfree_rcu(devkey, rcu);
+ return 0;
+}
diff --git a/net/mac802154/llsec.h b/net/mac802154/llsec.h
index 087a164..23db644 100644
--- a/net/mac802154/llsec.h
+++ b/net/mac802154/llsec.h
@@ -94,4 +94,11 @@ int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
int mac802154_llsec_dev_del(struct mac802154_llsec *sec,
__le64 device_addr);
+int mac802154_llsec_devkey_add(struct mac802154_llsec *sec,
+ __le64 dev_addr,
+ const struct ieee802154_llsec_device_key *key);
+int mac802154_llsec_devkey_del(struct mac802154_llsec *sec,
+ __le64 dev_addr,
+ const struct ieee802154_llsec_device_key *key);
+
#endif /* MAC802154_LLSEC_H */
--
1.7.9.5
------------------------------------------------------------------------------
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