/* SPDX-License-Identifier: GPL-2.0-only */ /* * An interface between IEEE802.15.4 device and rest of the kernel. * * Copyright (C) 2007-2012 Siemens AG * * Written by: * Pavel Smolenskiy <[email protected]> * Maxim Gorbachyov <[email protected]> * Maxim Osipov <[email protected]> * Dmitry Eremin-Solenikov <[email protected]> * Alexander Smirnov <[email protected]> */ #ifndef IEEE802154_NETDEVICE_H #define IEEE802154_NETDEVICE_H #define IEEE802154_REQUIRED_SIZE(struct_type, member) … #define IEEE802154_ADDR_OFFSET … #define IEEE802154_MIN_NAMELEN … #define IEEE802154_NAMELEN_SHORT … #define IEEE802154_NAMELEN_LONG … #include <net/af_ieee802154.h> #include <linux/netdevice.h> #include <linux/skbuff.h> #include <linux/ieee802154.h> #include <net/cfg802154.h> struct ieee802154_beacon_hdr { … } __packed; struct ieee802154_mac_cmd_pl { … } __packed; struct ieee802154_sechdr { … }; struct ieee802154_hdr_fc { … }; struct ieee802154_assoc_req_pl { … } __packed; struct ieee802154_assoc_resp_pl { … } __packed; enum ieee802154_frame_version { … }; enum ieee802154_addressing_mode { … }; enum ieee802154_association_status { … }; enum ieee802154_disassociation_reason { … }; struct ieee802154_hdr { … }; struct ieee802154_beacon_frame { … }; struct ieee802154_mac_cmd_frame { … }; struct ieee802154_beacon_req_frame { … }; struct ieee802154_association_req_frame { … }; struct ieee802154_association_resp_frame { … }; struct ieee802154_disassociation_notif_frame { … }; /* pushes hdr onto the skb. fields of hdr->fc that can be calculated from * the contents of hdr will be, and the actual value of those bits in * hdr->fc will be ignored. this includes the INTRA_PAN bit and the frame * version, if SECEN is set. */ int ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr); /* pulls the entire 802.15.4 header off of the skb, including the security * header, and performs pan id decompression */ int ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr); /* parses the frame control, sequence number of address fields in a given skb * and stores them into hdr, performing pan id decompression and length checks * to be suitable for use in header_ops.parse */ int ieee802154_hdr_peek_addrs(const struct sk_buff *skb, struct ieee802154_hdr *hdr); /* parses the full 802.15.4 header a given skb and stores them into hdr, * performing pan id decompression and length checks to be suitable for use in * header_ops.parse */ int ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr); /* pushes/pulls various frame types into/from an skb */ int ieee802154_beacon_push(struct sk_buff *skb, struct ieee802154_beacon_frame *beacon); int ieee802154_mac_cmd_push(struct sk_buff *skb, void *frame, const void *pl, unsigned int pl_len); int ieee802154_mac_cmd_pl_pull(struct sk_buff *skb, struct ieee802154_mac_cmd_pl *mac_pl); int ieee802154_max_payload(const struct ieee802154_hdr *hdr); static inline int ieee802154_sechdr_authtag_len(const struct ieee802154_sechdr *sec) { … } static inline int ieee802154_hdr_length(struct sk_buff *skb) { … } static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1, const struct ieee802154_addr *a2) { … } static inline __le64 ieee802154_devaddr_from_raw(const void *raw) { … } static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr) { … } static inline int ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len) { … } static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a, const struct ieee802154_addr_sa *sa) { … } static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa, const struct ieee802154_addr *a) { … } /* * A control block of skb passed between the ARPHRD_IEEE802154 device * and other stack parts. */ struct ieee802154_mac_cb { … }; static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb) { … } static inline struct ieee802154_mac_cb *mac_cb_init(struct sk_buff *skb) { … } enum { … }; #define IEEE802154_MAC_SCAN_ED … #define IEEE802154_MAC_SCAN_ACTIVE … #define IEEE802154_MAC_SCAN_PASSIVE … #define IEEE802154_MAC_SCAN_ORPHAN … struct ieee802154_mac_params { … }; struct wpan_phy; enum { … }; struct ieee802154_llsec_ops { … }; /* * This should be located at net_device->ml_priv * * get_phy should increment the reference counting on returned phy. * Use wpan_wpy_put to put that reference. */ struct ieee802154_mlme_ops { … }; static inline struct ieee802154_mlme_ops * ieee802154_mlme_ops(const struct net_device *dev) { … } #endif
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