2 * IEEE802.15.4-2003 specification
4 * Copyright (C) 2007, 2008 Siemens AG
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
17 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
18 * Maxim Osipov <maxim.osipov@siemens.com>
19 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
20 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
23 #ifndef LINUX_IEEE802154_H
24 #define LINUX_IEEE802154_H
26 #include <linux/types.h>
27 #include <linux/random.h>
28 #include <asm/byteorder.h>
30 #define IEEE802154_MTU 127
31 #define IEEE802154_MIN_PSDU_LEN 5
33 #define IEEE802154_EXTENDED_ADDR_LEN 8
35 #define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */
36 #define IEEE802154_FC_TYPE_DATA 0x1 /* Frame is data */
37 #define IEEE802154_FC_TYPE_ACK 0x2 /* Frame is acknowledgment */
38 #define IEEE802154_FC_TYPE_MAC_CMD 0x3 /* Frame is MAC command */
40 #define IEEE802154_FC_TYPE_SHIFT 0
41 #define IEEE802154_FC_TYPE_MASK ((1 << 3) - 1)
42 #define IEEE802154_FC_TYPE(x) ((x & IEEE802154_FC_TYPE_MASK) >> IEEE802154_FC_TYPE_SHIFT)
43 #define IEEE802154_FC_SET_TYPE(v, x) do { \
44 v = (((v) & ~IEEE802154_FC_TYPE_MASK) | \
45 (((x) << IEEE802154_FC_TYPE_SHIFT) & IEEE802154_FC_TYPE_MASK)); \
48 #define IEEE802154_FC_SECEN_SHIFT 3
49 #define IEEE802154_FC_SECEN (1 << IEEE802154_FC_SECEN_SHIFT)
50 #define IEEE802154_FC_FRPEND_SHIFT 4
51 #define IEEE802154_FC_FRPEND (1 << IEEE802154_FC_FRPEND_SHIFT)
52 #define IEEE802154_FC_ACK_REQ_SHIFT 5
53 #define IEEE802154_FC_ACK_REQ (1 << IEEE802154_FC_ACK_REQ_SHIFT)
54 #define IEEE802154_FC_INTRA_PAN_SHIFT 6
55 #define IEEE802154_FC_INTRA_PAN (1 << IEEE802154_FC_INTRA_PAN_SHIFT)
57 #define IEEE802154_FC_SAMODE_SHIFT 14
58 #define IEEE802154_FC_SAMODE_MASK (3 << IEEE802154_FC_SAMODE_SHIFT)
59 #define IEEE802154_FC_DAMODE_SHIFT 10
60 #define IEEE802154_FC_DAMODE_MASK (3 << IEEE802154_FC_DAMODE_SHIFT)
62 #define IEEE802154_FC_VERSION_SHIFT 12
63 #define IEEE802154_FC_VERSION_MASK (3 << IEEE802154_FC_VERSION_SHIFT)
64 #define IEEE802154_FC_VERSION(x) ((x & IEEE802154_FC_VERSION_MASK) >> IEEE802154_FC_VERSION_SHIFT)
66 #define IEEE802154_FC_SAMODE(x) \
67 (((x) & IEEE802154_FC_SAMODE_MASK) >> IEEE802154_FC_SAMODE_SHIFT)
69 #define IEEE802154_FC_DAMODE(x) \
70 (((x) & IEEE802154_FC_DAMODE_MASK) >> IEEE802154_FC_DAMODE_SHIFT)
72 #define IEEE802154_SCF_SECLEVEL_MASK 7
73 #define IEEE802154_SCF_SECLEVEL_SHIFT 0
74 #define IEEE802154_SCF_SECLEVEL(x) (x & IEEE802154_SCF_SECLEVEL_MASK)
75 #define IEEE802154_SCF_KEY_ID_MODE_SHIFT 3
76 #define IEEE802154_SCF_KEY_ID_MODE_MASK (3 << IEEE802154_SCF_KEY_ID_MODE_SHIFT)
77 #define IEEE802154_SCF_KEY_ID_MODE(x) \
78 ((x & IEEE802154_SCF_KEY_ID_MODE_MASK) >> IEEE802154_SCF_KEY_ID_MODE_SHIFT)
80 #define IEEE802154_SCF_KEY_IMPLICIT 0
81 #define IEEE802154_SCF_KEY_INDEX 1
82 #define IEEE802154_SCF_KEY_SHORT_INDEX 2
83 #define IEEE802154_SCF_KEY_HW_INDEX 3
85 #define IEEE802154_SCF_SECLEVEL_NONE 0
86 #define IEEE802154_SCF_SECLEVEL_MIC32 1
87 #define IEEE802154_SCF_SECLEVEL_MIC64 2
88 #define IEEE802154_SCF_SECLEVEL_MIC128 3
89 #define IEEE802154_SCF_SECLEVEL_ENC 4
90 #define IEEE802154_SCF_SECLEVEL_ENC_MIC32 5
91 #define IEEE802154_SCF_SECLEVEL_ENC_MIC64 6
92 #define IEEE802154_SCF_SECLEVEL_ENC_MIC128 7
95 #define IEEE802154_MFR_SIZE 2 /* 2 octets */
97 /* MAC's Command Frames Identifiers */
98 #define IEEE802154_CMD_ASSOCIATION_REQ 0x01
99 #define IEEE802154_CMD_ASSOCIATION_RESP 0x02
100 #define IEEE802154_CMD_DISASSOCIATION_NOTIFY 0x03
101 #define IEEE802154_CMD_DATA_REQ 0x04
102 #define IEEE802154_CMD_PANID_CONFLICT_NOTIFY 0x05
103 #define IEEE802154_CMD_ORPHAN_NOTIFY 0x06
104 #define IEEE802154_CMD_BEACON_REQ 0x07
105 #define IEEE802154_CMD_COORD_REALIGN_NOTIFY 0x08
106 #define IEEE802154_CMD_GTS_REQ 0x09
109 * The return values of MAC operations
113 * The requested operation was completed successfully.
114 * For a transmission request, this value indicates
115 * a successful transmission.
117 IEEE802154_SUCCESS = 0x0,
119 /* The beacon was lost following a synchronization request. */
120 IEEE802154_BEACON_LOSS = 0xe0,
122 * A transmission could not take place due to activity on the
123 * channel, i.e., the CSMA-CA mechanism has failed.
125 IEEE802154_CHNL_ACCESS_FAIL = 0xe1,
126 /* The GTS request has been denied by the PAN coordinator. */
127 IEEE802154_DENINED = 0xe2,
128 /* The attempt to disable the transceiver has failed. */
129 IEEE802154_DISABLE_TRX_FAIL = 0xe3,
131 * The received frame induces a failed security check according to
132 * the security suite.
134 IEEE802154_FAILED_SECURITY_CHECK = 0xe4,
136 * The frame resulting from secure processing has a length that is
137 * greater than aMACMaxFrameSize.
139 IEEE802154_FRAME_TOO_LONG = 0xe5,
141 * The requested GTS transmission failed because the specified GTS
142 * either did not have a transmit GTS direction or was not defined.
144 IEEE802154_INVALID_GTS = 0xe6,
146 * A request to purge an MSDU from the transaction queue was made using
147 * an MSDU handle that was not found in the transaction table.
149 IEEE802154_INVALID_HANDLE = 0xe7,
150 /* A parameter in the primitive is out of the valid range.*/
151 IEEE802154_INVALID_PARAMETER = 0xe8,
152 /* No acknowledgment was received after aMaxFrameRetries. */
153 IEEE802154_NO_ACK = 0xe9,
154 /* A scan operation failed to find any network beacons.*/
155 IEEE802154_NO_BEACON = 0xea,
156 /* No response data were available following a request. */
157 IEEE802154_NO_DATA = 0xeb,
158 /* The operation failed because a short address was not allocated. */
159 IEEE802154_NO_SHORT_ADDRESS = 0xec,
161 * A receiver enable request was unsuccessful because it could not be
162 * completed within the CAP.
164 IEEE802154_OUT_OF_CAP = 0xed,
166 * A PAN identifier conflict has been detected and communicated to the
169 IEEE802154_PANID_CONFLICT = 0xee,
170 /* A coordinator realignment command has been received. */
171 IEEE802154_REALIGMENT = 0xef,
172 /* The transaction has expired and its information discarded. */
173 IEEE802154_TRANSACTION_EXPIRED = 0xf0,
174 /* There is no capacity to store the transaction. */
175 IEEE802154_TRANSACTION_OVERFLOW = 0xf1,
177 * The transceiver was in the transmitter enabled state when the
178 * receiver was requested to be enabled.
180 IEEE802154_TX_ACTIVE = 0xf2,
181 /* The appropriate key is not available in the ACL. */
182 IEEE802154_UNAVAILABLE_KEY = 0xf3,
184 * A SET/GET request was issued with the identifier of a PIB attribute
185 * that is not supported.
187 IEEE802154_UNSUPPORTED_ATTR = 0xf4,
189 * A request to perform a scan operation failed because the MLME was
190 * in the process of performing a previously initiated scan operation.
192 IEEE802154_SCAN_IN_PROGRESS = 0xfc,
196 * ieee802154_is_valid_psdu_len - check if psdu len is valid
197 * @len: psdu len with (MHR + payload + MFR)
199 static inline bool ieee802154_is_valid_psdu_len(const u8 len)
201 return (len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU);
205 * ieee802154_is_valid_psdu_len - check if extended addr is valid
206 * @addr: extended addr to check
208 static inline bool ieee802154_is_valid_extended_addr(const __le64 addr)
210 /* These EUI-64 addresses are reserved by IEEE. 0xffffffffffffffff
211 * is used internally as extended to short address broadcast mapping.
212 * This is currently a workaround because neighbor discovery can't
213 * deal with short addresses types right now.
215 return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
216 (addr != cpu_to_le64(0xffffffffffffffffULL)));
220 * ieee802154_random_extended_addr - generates a random extended address
221 * @addr: extended addr pointer to place the random address
223 static inline void ieee802154_random_extended_addr(__le64 *addr)
225 get_random_bytes(addr, IEEE802154_EXTENDED_ADDR_LEN);
227 /* toggle some bit if we hit an invalid extended addr */
228 if (!ieee802154_is_valid_extended_addr(*addr))
229 ((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] ^= 0x01;
232 #endif /* LINUX_IEEE802154_H */