/* SPDX-License-Identifier: GPL-2.0-only */ /* * IEEE802.15.4-2003 specification * * Copyright (C) 2007, 2008 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 LINUX_IEEE802154_H #define LINUX_IEEE802154_H #include <linux/types.h> #include <linux/random.h> #define IEEE802154_MTU … #define IEEE802154_ACK_PSDU_LEN … #define IEEE802154_MIN_PSDU_LEN … #define IEEE802154_FCS_LEN … #define IEEE802154_MAX_AUTH_TAG_LEN … #define IEEE802154_FC_LEN … #define IEEE802154_SEQ_LEN … /* General MAC frame format: * 2 bytes: Frame Control * 1 byte: Sequence Number * 20 bytes: Addressing fields * 14 bytes: Auxiliary Security Header */ #define IEEE802154_MAX_HEADER_LEN … #define IEEE802154_MIN_HEADER_LEN … #define IEEE802154_PAN_ID_BROADCAST … #define IEEE802154_ADDR_SHORT_BROADCAST … #define IEEE802154_ADDR_SHORT_UNSPEC … #define IEEE802154_EXTENDED_ADDR_LEN … #define IEEE802154_SHORT_ADDR_LEN … #define IEEE802154_PAN_ID_LEN … /* Duration in superframe order */ #define IEEE802154_MAX_SCAN_DURATION … #define IEEE802154_ACTIVE_SCAN_DURATION … /* Superframe duration in slots */ #define IEEE802154_SUPERFRAME_PERIOD … /* Various periods expressed in symbols */ #define IEEE802154_SLOT_PERIOD … #define IEEE802154_LIFS_PERIOD … #define IEEE802154_SIFS_PERIOD … #define IEEE802154_MAX_SIFS_FRAME_SIZE … #define IEEE802154_MAX_CHANNEL … #define IEEE802154_MAX_PAGE … #define IEEE802154_FC_TYPE_BEACON … #define IEEE802154_FC_TYPE_DATA … #define IEEE802154_FC_TYPE_ACK … #define IEEE802154_FC_TYPE_MAC_CMD … #define IEEE802154_FC_TYPE_SHIFT … #define IEEE802154_FC_TYPE_MASK … #define IEEE802154_FC_TYPE(x) … #define IEEE802154_FC_SET_TYPE(v, x) … #define IEEE802154_FC_SECEN_SHIFT … #define IEEE802154_FC_SECEN … #define IEEE802154_FC_FRPEND_SHIFT … #define IEEE802154_FC_FRPEND … #define IEEE802154_FC_ACK_REQ_SHIFT … #define IEEE802154_FC_ACK_REQ … #define IEEE802154_FC_INTRA_PAN_SHIFT … #define IEEE802154_FC_INTRA_PAN … #define IEEE802154_FC_SAMODE_SHIFT … #define IEEE802154_FC_SAMODE_MASK … #define IEEE802154_FC_DAMODE_SHIFT … #define IEEE802154_FC_DAMODE_MASK … #define IEEE802154_FC_VERSION_SHIFT … #define IEEE802154_FC_VERSION_MASK … #define IEEE802154_FC_VERSION(x) … #define IEEE802154_FC_SAMODE(x) … #define IEEE802154_FC_DAMODE(x) … #define IEEE802154_SCF_SECLEVEL_MASK … #define IEEE802154_SCF_SECLEVEL_SHIFT … #define IEEE802154_SCF_SECLEVEL(x) … #define IEEE802154_SCF_KEY_ID_MODE_SHIFT … #define IEEE802154_SCF_KEY_ID_MODE_MASK … #define IEEE802154_SCF_KEY_ID_MODE(x) … #define IEEE802154_SCF_KEY_IMPLICIT … #define IEEE802154_SCF_KEY_INDEX … #define IEEE802154_SCF_KEY_SHORT_INDEX … #define IEEE802154_SCF_KEY_HW_INDEX … #define IEEE802154_SCF_SECLEVEL_NONE … #define IEEE802154_SCF_SECLEVEL_MIC32 … #define IEEE802154_SCF_SECLEVEL_MIC64 … #define IEEE802154_SCF_SECLEVEL_MIC128 … #define IEEE802154_SCF_SECLEVEL_ENC … #define IEEE802154_SCF_SECLEVEL_ENC_MIC32 … #define IEEE802154_SCF_SECLEVEL_ENC_MIC64 … #define IEEE802154_SCF_SECLEVEL_ENC_MIC128 … /* MAC footer size */ #define IEEE802154_MFR_SIZE … /* MAC's Command Frames Identifiers */ #define IEEE802154_CMD_ASSOCIATION_REQ … #define IEEE802154_CMD_ASSOCIATION_RESP … #define IEEE802154_CMD_DISASSOCIATION_NOTIFY … #define IEEE802154_CMD_DATA_REQ … #define IEEE802154_CMD_PANID_CONFLICT_NOTIFY … #define IEEE802154_CMD_ORPHAN_NOTIFY … #define IEEE802154_CMD_BEACON_REQ … #define IEEE802154_CMD_COORD_REALIGN_NOTIFY … #define IEEE802154_CMD_GTS_REQ … /* * The return values of MAC operations */ enum { … }; /** * enum ieee802154_filtering_level - Filtering levels applicable to a PHY * * @IEEE802154_FILTERING_NONE: No filtering at all, what is received is * forwarded to the softMAC * @IEEE802154_FILTERING_1_FCS: First filtering level, frames with an invalid * FCS should be dropped * @IEEE802154_FILTERING_2_PROMISCUOUS: Second filtering level, promiscuous * mode as described in the spec, identical in terms of filtering to the * level one on PHY side, but at the MAC level the frame should be * forwarded to the upper layer directly * @IEEE802154_FILTERING_3_SCAN: Third filtering level, scan related, where * only beacons must be processed, all remaining traffic gets dropped * @IEEE802154_FILTERING_4_FRAME_FIELDS: Fourth filtering level actually * enforcing the validity of the content of the frame with various checks */ enum ieee802154_filtering_level { … }; /* frame control handling */ #define IEEE802154_FCTL_FTYPE … #define IEEE802154_FCTL_ACKREQ … #define IEEE802154_FCTL_SECEN … #define IEEE802154_FCTL_INTRA_PAN … #define IEEE802154_FCTL_DADDR … #define IEEE802154_FCTL_SADDR … #define IEEE802154_FTYPE_DATA … #define IEEE802154_FCTL_ADDR_NONE … #define IEEE802154_FCTL_DADDR_SHORT … #define IEEE802154_FCTL_DADDR_EXTENDED … #define IEEE802154_FCTL_SADDR_SHORT … #define IEEE802154_FCTL_SADDR_EXTENDED … /* * ieee802154_is_data - check if type is IEEE802154_FTYPE_DATA * @fc: frame control bytes in little-endian byteorder */ static inline int ieee802154_is_data(__le16 fc) { … } /** * ieee802154_is_secen - check if Security bit is set * @fc: frame control bytes in little-endian byteorder */ static inline bool ieee802154_is_secen(__le16 fc) { … } /** * ieee802154_is_ackreq - check if acknowledgment request bit is set * @fc: frame control bytes in little-endian byteorder */ static inline bool ieee802154_is_ackreq(__le16 fc) { … } /** * ieee802154_is_intra_pan - check if intra pan id communication * @fc: frame control bytes in little-endian byteorder */ static inline bool ieee802154_is_intra_pan(__le16 fc) { … } /* * ieee802154_daddr_mode - get daddr mode from fc * @fc: frame control bytes in little-endian byteorder */ static inline __le16 ieee802154_daddr_mode(__le16 fc) { … } /* * ieee802154_saddr_mode - get saddr mode from fc * @fc: frame control bytes in little-endian byteorder */ static inline __le16 ieee802154_saddr_mode(__le16 fc) { … } /** * ieee802154_is_valid_psdu_len - check if psdu len is valid * available lengths: * 0-4 Reserved * 5 MPDU (Acknowledgment) * 6-8 Reserved * 9-127 MPDU * * @len: psdu len with (MHR + payload + MFR) */ static inline bool ieee802154_is_valid_psdu_len(u8 len) { … } /** * ieee802154_is_valid_extended_unicast_addr - check if extended addr is valid * @addr: extended addr to check */ static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr) { … } /** * ieee802154_is_broadcast_short_addr - check if short addr is broadcast * @addr: short addr to check */ static inline bool ieee802154_is_broadcast_short_addr(__le16 addr) { … } /** * ieee802154_is_unspec_short_addr - check if short addr is unspecified * @addr: short addr to check */ static inline bool ieee802154_is_unspec_short_addr(__le16 addr) { … } /** * ieee802154_is_valid_src_short_addr - check if source short address is valid * @addr: short addr to check */ static inline bool ieee802154_is_valid_src_short_addr(__le16 addr) { … } /** * ieee802154_random_extended_addr - generates a random extended address * @addr: extended addr pointer to place the random address */ static inline void ieee802154_random_extended_addr(__le64 *addr) { … } #endif /* LINUX_IEEE802154_H */
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