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nl802154: add support for security layer

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This patch adds support for accessing mac802154 llsec implementation
over nl802154. I added for a new Kconfig entry to provide this
functionality CONFIG_IEEE802154_NL802154_EXPERIMENTAL. This interface is
still in development. It provides to change security parameters and
add/del/dump entries of security tables. Later we can add also a get to
get an entry by unique identifier.

Cc: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring
2015-09-28 09:00:25 +02:00
committed by Marcel Holtmann
parent 1ee06ef159
commit a26c5fd762
9 changed files with 1782 additions and 75 deletions
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75
include/net/ieee802154_netdev.h
View File

@@ -234,38 +234,6 @@ static inline struct ieee802154_mac_cb *mac_cb_init(struct sk_buff *skb)
return mac_cb(skb);
}
#define IEEE802154_LLSEC_KEY_SIZE 16
struct ieee802154_llsec_key_id {
u8 mode;
u8 id;
union {
struct ieee802154_addr device_addr;
__le32 short_source;
__le64 extended_source;
};
};
struct ieee802154_llsec_key {
u8 frame_types;
u32 cmd_frame_ids;
u8 key[IEEE802154_LLSEC_KEY_SIZE];
};
struct ieee802154_llsec_key_entry {
struct list_head list;
struct ieee802154_llsec_key_id id;
struct ieee802154_llsec_key *key;
};
struct ieee802154_llsec_device_key {
struct list_head list;
struct ieee802154_llsec_key_id key_id;
u32 frame_counter;
};
enum {
IEEE802154_LLSEC_DEVKEY_IGNORE,
IEEE802154_LLSEC_DEVKEY_RESTRICT,
@@ -274,49 +242,6 @@ enum {
__IEEE802154_LLSEC_DEVKEY_MAX,
};
struct ieee802154_llsec_device {
struct list_head list;
__le16 pan_id;
__le16 short_addr;
__le64 hwaddr;
u32 frame_counter;
bool seclevel_exempt;
u8 key_mode;
struct list_head keys;
};
struct ieee802154_llsec_seclevel {
struct list_head list;
u8 frame_type;
u8 cmd_frame_id;
bool device_override;
u32 sec_levels;
};
struct ieee802154_llsec_params {
bool enabled;
__be32 frame_counter;
u8 out_level;
struct ieee802154_llsec_key_id out_key;
__le64 default_key_source;
__le16 pan_id;
__le64 hwaddr;
__le64 coord_hwaddr;
__le16 coord_shortaddr;
};
struct ieee802154_llsec_table {
struct list_head keys;
struct list_head devices;
struct list_head security_levels;
};
#define IEEE802154_MAC_SCAN_ED 0
#define IEEE802154_MAC_SCAN_ACTIVE 1
#define IEEE802154_MAC_SCAN_PASSIVE 2