Merge git://www.linux-watchdog.org/linux-watchdog
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / mvm / fw-api-sta.h
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1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
410dc5aa 25 * in the file called COPYING.
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26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
51368bf7 33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
62
63#ifndef __fw_api_sta_h__
64#define __fw_api_sta_h__
65
66/**
67 * enum iwl_sta_flags - flags for the ADD_STA host command
68 * @STA_FLG_REDUCED_TX_PWR_CTRL:
69 * @STA_FLG_REDUCED_TX_PWR_DATA:
09b0ce1a 70 * @STA_FLG_DISABLE_TX: set if TX should be disabled
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71 * @STA_FLG_PS: set if STA is in Power Save
72 * @STA_FLG_INVALID: set if STA is invalid
73 * @STA_FLG_DLP_EN: Direct Link Protocol is enabled
74 * @STA_FLG_SET_ALL_KEYS: the current key applies to all key IDs
75 * @STA_FLG_DRAIN_FLOW: drain flow
76 * @STA_FLG_PAN: STA is for PAN interface
77 * @STA_FLG_CLASS_AUTH:
78 * @STA_FLG_CLASS_ASSOC:
79 * @STA_FLG_CLASS_MIMO_PROT:
80 * @STA_FLG_MAX_AGG_SIZE_MSK: maximal size for A-MPDU
81 * @STA_FLG_AGG_MPDU_DENS_MSK: maximal MPDU density for Tx aggregation
82 * @STA_FLG_FAT_EN_MSK: support for channel width (for Tx). This flag is
83 * initialised by driver and can be updated by fw upon reception of
84 * action frames that can change the channel width. When cleared the fw
85 * will send all the frames in 20MHz even when FAT channel is requested.
86 * @STA_FLG_MIMO_EN_MSK: support for MIMO. This flag is initialised by the
87 * driver and can be updated by fw upon reception of action frames.
88 * @STA_FLG_MFP_EN: Management Frame Protection
89 */
90enum iwl_sta_flags {
91 STA_FLG_REDUCED_TX_PWR_CTRL = BIT(3),
92 STA_FLG_REDUCED_TX_PWR_DATA = BIT(6),
93
09b0ce1a 94 STA_FLG_DISABLE_TX = BIT(4),
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95
96 STA_FLG_PS = BIT(8),
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97 STA_FLG_DRAIN_FLOW = BIT(12),
98 STA_FLG_PAN = BIT(13),
99 STA_FLG_CLASS_AUTH = BIT(14),
100 STA_FLG_CLASS_ASSOC = BIT(15),
101 STA_FLG_RTS_MIMO_PROT = BIT(17),
102
103 STA_FLG_MAX_AGG_SIZE_SHIFT = 19,
104 STA_FLG_MAX_AGG_SIZE_8K = (0 << STA_FLG_MAX_AGG_SIZE_SHIFT),
105 STA_FLG_MAX_AGG_SIZE_16K = (1 << STA_FLG_MAX_AGG_SIZE_SHIFT),
106 STA_FLG_MAX_AGG_SIZE_32K = (2 << STA_FLG_MAX_AGG_SIZE_SHIFT),
107 STA_FLG_MAX_AGG_SIZE_64K = (3 << STA_FLG_MAX_AGG_SIZE_SHIFT),
108 STA_FLG_MAX_AGG_SIZE_128K = (4 << STA_FLG_MAX_AGG_SIZE_SHIFT),
109 STA_FLG_MAX_AGG_SIZE_256K = (5 << STA_FLG_MAX_AGG_SIZE_SHIFT),
110 STA_FLG_MAX_AGG_SIZE_512K = (6 << STA_FLG_MAX_AGG_SIZE_SHIFT),
111 STA_FLG_MAX_AGG_SIZE_1024K = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
112 STA_FLG_MAX_AGG_SIZE_MSK = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
113
114 STA_FLG_AGG_MPDU_DENS_SHIFT = 23,
115 STA_FLG_AGG_MPDU_DENS_2US = (4 << STA_FLG_AGG_MPDU_DENS_SHIFT),
116 STA_FLG_AGG_MPDU_DENS_4US = (5 << STA_FLG_AGG_MPDU_DENS_SHIFT),
117 STA_FLG_AGG_MPDU_DENS_8US = (6 << STA_FLG_AGG_MPDU_DENS_SHIFT),
118 STA_FLG_AGG_MPDU_DENS_16US = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
119 STA_FLG_AGG_MPDU_DENS_MSK = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
120
121 STA_FLG_FAT_EN_20MHZ = (0 << 26),
122 STA_FLG_FAT_EN_40MHZ = (1 << 26),
123 STA_FLG_FAT_EN_80MHZ = (2 << 26),
124 STA_FLG_FAT_EN_160MHZ = (3 << 26),
125 STA_FLG_FAT_EN_MSK = (3 << 26),
126
127 STA_FLG_MIMO_EN_SISO = (0 << 28),
128 STA_FLG_MIMO_EN_MIMO2 = (1 << 28),
129 STA_FLG_MIMO_EN_MIMO3 = (2 << 28),
130 STA_FLG_MIMO_EN_MSK = (3 << 28),
131};
132
133/**
134 * enum iwl_sta_key_flag - key flags for the ADD_STA host command
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135 * @STA_KEY_FLG_NO_ENC: no encryption
136 * @STA_KEY_FLG_WEP: WEP encryption algorithm
137 * @STA_KEY_FLG_CCM: CCMP encryption algorithm
138 * @STA_KEY_FLG_TKIP: TKIP encryption algorithm
139 * @STA_KEY_FLG_EXT: extended cipher algorithm (depends on the FW support)
140 * @STA_KEY_FLG_CMAC: CMAC encryption algorithm
141 * @STA_KEY_FLG_ENC_UNKNOWN: unknown encryption algorithm
142 * @STA_KEY_FLG_EN_MSK: mask for encryption algorithmi value
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143 * @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from
144 * station info array (1 - n 1X mode)
145 * @STA_KEY_FLG_KEYID_MSK: the index of the key
146 * @STA_KEY_NOT_VALID: key is invalid
147 * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key
148 * @STA_KEY_MULTICAST: set for multical key
149 * @STA_KEY_MFP: key is used for Management Frame Protection
150 */
151enum iwl_sta_key_flag {
152 STA_KEY_FLG_NO_ENC = (0 << 0),
153 STA_KEY_FLG_WEP = (1 << 0),
154 STA_KEY_FLG_CCM = (2 << 0),
155 STA_KEY_FLG_TKIP = (3 << 0),
e36e5433 156 STA_KEY_FLG_EXT = (4 << 0),
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157 STA_KEY_FLG_CMAC = (6 << 0),
158 STA_KEY_FLG_ENC_UNKNOWN = (7 << 0),
159 STA_KEY_FLG_EN_MSK = (7 << 0),
160
161 STA_KEY_FLG_WEP_KEY_MAP = BIT(3),
162 STA_KEY_FLG_KEYID_POS = 8,
163 STA_KEY_FLG_KEYID_MSK = (3 << STA_KEY_FLG_KEYID_POS),
164 STA_KEY_NOT_VALID = BIT(11),
165 STA_KEY_FLG_WEP_13BYTES = BIT(12),
166 STA_KEY_MULTICAST = BIT(14),
167 STA_KEY_MFP = BIT(15),
168};
169
170/**
171 * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
172 * @STA_MODIFY_KEY: this command modifies %key
173 * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
174 * @STA_MODIFY_TX_RATE: unused
175 * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
176 * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
177 * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
178 * @STA_MODIFY_PROT_TH:
179 * @STA_MODIFY_QUEUES: modify the queues used by this station
180 */
181enum iwl_sta_modify_flag {
182 STA_MODIFY_KEY = BIT(0),
183 STA_MODIFY_TID_DISABLE_TX = BIT(1),
184 STA_MODIFY_TX_RATE = BIT(2),
185 STA_MODIFY_ADD_BA_TID = BIT(3),
186 STA_MODIFY_REMOVE_BA_TID = BIT(4),
187 STA_MODIFY_SLEEPING_STA_TX_COUNT = BIT(5),
188 STA_MODIFY_PROT_TH = BIT(6),
189 STA_MODIFY_QUEUES = BIT(7),
190};
191
192#define STA_MODE_MODIFY 1
193
194/**
195 * enum iwl_sta_sleep_flag - type of sleep of the station
196 * @STA_SLEEP_STATE_AWAKE:
197 * @STA_SLEEP_STATE_PS_POLL:
198 * @STA_SLEEP_STATE_UAPSD:
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199 * @STA_SLEEP_STATE_MOREDATA: set more-data bit on
200 * (last) released frame
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201 */
202enum iwl_sta_sleep_flag {
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203 STA_SLEEP_STATE_AWAKE = 0,
204 STA_SLEEP_STATE_PS_POLL = BIT(0),
205 STA_SLEEP_STATE_UAPSD = BIT(1),
206 STA_SLEEP_STATE_MOREDATA = BIT(2),
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207};
208
209/* STA ID and color bits definitions */
210#define STA_ID_SEED (0x0f)
211#define STA_ID_POS (0)
212#define STA_ID_MSK (STA_ID_SEED << STA_ID_POS)
213
214#define STA_COLOR_SEED (0x7)
215#define STA_COLOR_POS (4)
216#define STA_COLOR_MSK (STA_COLOR_SEED << STA_COLOR_POS)
217
218#define STA_ID_N_COLOR_GET_COLOR(id_n_color) \
219 (((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
220#define STA_ID_N_COLOR_GET_ID(id_n_color) \
221 (((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
222
223#define STA_KEY_MAX_NUM (16)
224#define STA_KEY_IDX_INVALID (0xff)
225#define STA_KEY_MAX_DATA_KEY_NUM (4)
226#define IWL_MAX_GLOBAL_KEYS (4)
227#define STA_KEY_LEN_WEP40 (5)
228#define STA_KEY_LEN_WEP104 (13)
229
230/**
231 * struct iwl_mvm_keyinfo - key information
232 * @key_flags: type %iwl_sta_key_flag
233 * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
234 * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
235 * @key_offset: key offset in the fw's key table
236 * @key: 16-byte unicast decryption key
237 * @tx_secur_seq_cnt: initial RSC / PN needed for replay check
238 * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
239 * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
240 */
241struct iwl_mvm_keyinfo {
242 __le16 key_flags;
243 u8 tkip_rx_tsc_byte2;
244 u8 reserved1;
245 __le16 tkip_rx_ttak[5];
246 u8 key_offset;
247 u8 reserved2;
248 u8 key[16];
249 __le64 tx_secur_seq_cnt;
250 __le64 hw_tkip_mic_rx_key;
251 __le64 hw_tkip_mic_tx_key;
252} __packed;
253
254/**
f9dc0004 255 * struct iwl_mvm_add_sta_cmd - Add/modify a station in the fw's sta table.
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256 * ( REPLY_ADD_STA = 0x18 )
257 * @add_modify: 1: modify existing, 0: add new station
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258 * @awake_acs:
259 * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
260 * AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
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261 * @mac_id_n_color: the Mac context this station belongs to
262 * @addr[ETH_ALEN]: station's MAC address
263 * @sta_id: index of station in uCode's station table
264 * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
265 * alone. 1 - modify, 0 - don't change.
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266 * @station_flags: look at %iwl_sta_flags
267 * @station_flags_msk: what of %station_flags have changed
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268 * @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
269 * Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
270 * add_immediate_ba_ssn.
271 * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
272 * Set %STA_MODIFY_REMOVE_BA_TID to use this field
273 * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
274 * add_immediate_ba_tid.
275 * @sleep_tx_count: number of packets to transmit to station even though it is
276 * asleep. Used to synchronise PS-poll and u-APSD responses while ucode
277 * keeps track of STA sleep state.
278 * @sleep_state_flags: Look at %iwl_sta_sleep_flag.
279 * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
280 * mac-addr.
281 * @beamform_flags: beam forming controls
282 * @tfd_queue_msk: tfd queues used by this station
283 *
284 * The device contains an internal table of per-station information, with info
285 * on security keys, aggregation parameters, and Tx rates for initial Tx
286 * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
287 *
288 * ADD_STA sets up the table entry for one station, either creating a new
289 * entry, or modifying a pre-existing one.
290 */
f9dc0004 291struct iwl_mvm_add_sta_cmd {
5a258aae 292 u8 add_modify;
3e56eadf 293 u8 awake_acs;
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294 __le16 tid_disable_tx;
295 __le32 mac_id_n_color;
296 u8 addr[ETH_ALEN]; /* _STA_ID_MODIFY_INFO_API_S_VER_1 */
297 __le16 reserved2;
298 u8 sta_id;
299 u8 modify_mask;
300 __le16 reserved3;
301 __le32 station_flags;
302 __le32 station_flags_msk;
303 u8 add_immediate_ba_tid;
304 u8 remove_immediate_ba_tid;
305 __le16 add_immediate_ba_ssn;
306 __le16 sleep_tx_count;
307 __le16 sleep_state_flags;
308 __le16 assoc_id;
309 __le16 beamform_flags;
310 __le32 tfd_queue_msk;
3e56eadf 311} __packed; /* ADD_STA_CMD_API_S_VER_7 */
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312
313/**
314 * struct iwl_mvm_add_sta_key_cmd - add/modify sta key
315 * ( REPLY_ADD_STA_KEY = 0x17 )
316 * @sta_id: index of station in uCode's station table
317 * @key_offset: key offset in key storage
318 * @key_flags: type %iwl_sta_key_flag
319 * @key: key material data
320 * @key2: key material data
321 * @rx_secur_seq_cnt: RX security sequence counter for the key
322 * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
323 * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
324 */
325struct iwl_mvm_add_sta_key_cmd {
326 u8 sta_id;
327 u8 key_offset;
328 __le16 key_flags;
329 u8 key[16];
330 u8 key2[16];
331 u8 rx_secur_seq_cnt[16];
332 u8 tkip_rx_tsc_byte2;
333 u8 reserved;
334 __le16 tkip_rx_ttak[5];
335} __packed; /* ADD_MODIFY_STA_KEY_API_S_VER_1 */
336
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337/**
338 * enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command
339 * @ADD_STA_SUCCESS: operation was executed successfully
340 * @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table
341 * @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session
342 * @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that
343 * doesn't exist.
344 */
345enum iwl_mvm_add_sta_rsp_status {
346 ADD_STA_SUCCESS = 0x1,
347 ADD_STA_STATIONS_OVERLOAD = 0x2,
348 ADD_STA_IMMEDIATE_BA_FAILURE = 0x4,
349 ADD_STA_MODIFY_NON_EXISTING_STA = 0x8,
350};
351
352/**
353 * struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table
354 * ( REMOVE_STA = 0x19 )
355 * @sta_id: the station id of the station to be removed
356 */
357struct iwl_mvm_rm_sta_cmd {
358 u8 sta_id;
359 u8 reserved[3];
360} __packed; /* REMOVE_STA_CMD_API_S_VER_2 */
361
362/**
363 * struct iwl_mvm_mgmt_mcast_key_cmd
364 * ( MGMT_MCAST_KEY = 0x1f )
365 * @ctrl_flags: %iwl_sta_key_flag
366 * @IGTK:
367 * @K1: IGTK master key
368 * @K2: IGTK sub key
369 * @sta_id: station ID that support IGTK
370 * @key_id:
371 * @receive_seq_cnt: initial RSC/PN needed for replay check
372 */
373struct iwl_mvm_mgmt_mcast_key_cmd {
374 __le32 ctrl_flags;
375 u8 IGTK[16];
376 u8 K1[16];
377 u8 K2[16];
378 __le32 key_id;
379 __le32 sta_id;
380 __le64 receive_seq_cnt;
381} __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */
382
383struct iwl_mvm_wep_key {
384 u8 key_index;
385 u8 key_offset;
386 __le16 reserved1;
387 u8 key_size;
388 u8 reserved2[3];
389 u8 key[16];
390} __packed;
391
392struct iwl_mvm_wep_key_cmd {
393 __le32 mac_id_n_color;
394 u8 num_keys;
395 u8 decryption_type;
396 u8 flags;
397 u8 reserved;
398 struct iwl_mvm_wep_key wep_key[0];
399} __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */
400
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401/**
402 * struct iwl_mvm_eosp_notification - EOSP notification from firmware
403 * @remain_frame_count: # of frames remaining, non-zero if SP was cut
404 * short by GO absence
405 * @sta_id: station ID
406 */
407struct iwl_mvm_eosp_notification {
408 __le32 remain_frame_count;
409 __le32 sta_id;
410} __packed; /* UAPSD_EOSP_NTFY_API_S_VER_1 */
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411
412#endif /* __fw_api_sta_h__ */