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64
65#ifndef __fw_api_sta_h__
66#define __fw_api_sta_h__
67
68/**
69 * enum iwl_sta_flags - flags for the ADD_STA host command
70 * @STA_FLG_REDUCED_TX_PWR_CTRL:
71 * @STA_FLG_REDUCED_TX_PWR_DATA:
72 * @STA_FLG_DISABLE_TX: set if TX should be disabled
73 * @STA_FLG_PS: set if STA is in Power Save
74 * @STA_FLG_INVALID: set if STA is invalid
75 * @STA_FLG_DLP_EN: Direct Link Protocol is enabled
76 * @STA_FLG_SET_ALL_KEYS: the current key applies to all key IDs
77 * @STA_FLG_DRAIN_FLOW: drain flow
78 * @STA_FLG_PAN: STA is for PAN interface
79 * @STA_FLG_CLASS_AUTH:
80 * @STA_FLG_CLASS_ASSOC:
81 * @STA_FLG_CLASS_MIMO_PROT:
82 * @STA_FLG_MAX_AGG_SIZE_MSK: maximal size for A-MPDU
83 * @STA_FLG_AGG_MPDU_DENS_MSK: maximal MPDU density for Tx aggregation
84 * @STA_FLG_FAT_EN_MSK: support for channel width (for Tx). This flag is
85 *	initialised by driver and can be updated by fw upon reception of
86 *	action frames that can change the channel width. When cleared the fw
87 *	will send all the frames in 20MHz even when FAT channel is requested.
88 * @STA_FLG_MIMO_EN_MSK: support for MIMO. This flag is initialised by the
89 *	driver and can be updated by fw upon reception of action frames.
90 * @STA_FLG_MFP_EN: Management Frame Protection
91 */
92enum iwl_sta_flags {
93	STA_FLG_REDUCED_TX_PWR_CTRL	= BIT(3),
94	STA_FLG_REDUCED_TX_PWR_DATA	= BIT(6),
95
96	STA_FLG_DISABLE_TX		= BIT(4),
97
98	STA_FLG_PS			= BIT(8),
99	STA_FLG_DRAIN_FLOW		= BIT(12),
100	STA_FLG_PAN			= BIT(13),
101	STA_FLG_CLASS_AUTH		= BIT(14),
102	STA_FLG_CLASS_ASSOC		= BIT(15),
103	STA_FLG_RTS_MIMO_PROT		= BIT(17),
104
105	STA_FLG_MAX_AGG_SIZE_SHIFT	= 19,
106	STA_FLG_MAX_AGG_SIZE_8K		= (0 << STA_FLG_MAX_AGG_SIZE_SHIFT),
107	STA_FLG_MAX_AGG_SIZE_16K	= (1 << STA_FLG_MAX_AGG_SIZE_SHIFT),
108	STA_FLG_MAX_AGG_SIZE_32K	= (2 << STA_FLG_MAX_AGG_SIZE_SHIFT),
109	STA_FLG_MAX_AGG_SIZE_64K	= (3 << STA_FLG_MAX_AGG_SIZE_SHIFT),
110	STA_FLG_MAX_AGG_SIZE_128K	= (4 << STA_FLG_MAX_AGG_SIZE_SHIFT),
111	STA_FLG_MAX_AGG_SIZE_256K	= (5 << STA_FLG_MAX_AGG_SIZE_SHIFT),
112	STA_FLG_MAX_AGG_SIZE_512K	= (6 << STA_FLG_MAX_AGG_SIZE_SHIFT),
113	STA_FLG_MAX_AGG_SIZE_1024K	= (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
114	STA_FLG_MAX_AGG_SIZE_MSK	= (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
115
116	STA_FLG_AGG_MPDU_DENS_SHIFT	= 23,
117	STA_FLG_AGG_MPDU_DENS_2US	= (4 << STA_FLG_AGG_MPDU_DENS_SHIFT),
118	STA_FLG_AGG_MPDU_DENS_4US	= (5 << STA_FLG_AGG_MPDU_DENS_SHIFT),
119	STA_FLG_AGG_MPDU_DENS_8US	= (6 << STA_FLG_AGG_MPDU_DENS_SHIFT),
120	STA_FLG_AGG_MPDU_DENS_16US	= (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
121	STA_FLG_AGG_MPDU_DENS_MSK	= (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
122
123	STA_FLG_FAT_EN_20MHZ		= (0 << 26),
124	STA_FLG_FAT_EN_40MHZ		= (1 << 26),
125	STA_FLG_FAT_EN_80MHZ		= (2 << 26),
126	STA_FLG_FAT_EN_160MHZ		= (3 << 26),
127	STA_FLG_FAT_EN_MSK		= (3 << 26),
128
129	STA_FLG_MIMO_EN_SISO		= (0 << 28),
130	STA_FLG_MIMO_EN_MIMO2		= (1 << 28),
131	STA_FLG_MIMO_EN_MIMO3		= (2 << 28),
132	STA_FLG_MIMO_EN_MSK		= (3 << 28),
133};
134
135/**
136 * enum iwl_sta_key_flag - key flags for the ADD_STA host command
137 * @STA_KEY_FLG_NO_ENC: no encryption
138 * @STA_KEY_FLG_WEP: WEP encryption algorithm
139 * @STA_KEY_FLG_CCM: CCMP encryption algorithm
140 * @STA_KEY_FLG_TKIP: TKIP encryption algorithm
141 * @STA_KEY_FLG_EXT: extended cipher algorithm (depends on the FW support)
142 * @STA_KEY_FLG_CMAC: CMAC encryption algorithm
143 * @STA_KEY_FLG_ENC_UNKNOWN: unknown encryption algorithm
144 * @STA_KEY_FLG_EN_MSK: mask for encryption algorithmi value
145 * @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from
146 *	station info array (1 - n 1X mode)
147 * @STA_KEY_FLG_KEYID_MSK: the index of the key
148 * @STA_KEY_NOT_VALID: key is invalid
149 * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key
150 * @STA_KEY_MULTICAST: set for multical key
151 * @STA_KEY_MFP: key is used for Management Frame Protection
152 */
153enum iwl_sta_key_flag {
154	STA_KEY_FLG_NO_ENC		= (0 << 0),
155	STA_KEY_FLG_WEP			= (1 << 0),
156	STA_KEY_FLG_CCM			= (2 << 0),
157	STA_KEY_FLG_TKIP		= (3 << 0),
158	STA_KEY_FLG_EXT			= (4 << 0),
159	STA_KEY_FLG_CMAC		= (6 << 0),
160	STA_KEY_FLG_ENC_UNKNOWN		= (7 << 0),
161	STA_KEY_FLG_EN_MSK		= (7 << 0),
162
163	STA_KEY_FLG_WEP_KEY_MAP		= BIT(3),
164	STA_KEY_FLG_KEYID_POS		 = 8,
165	STA_KEY_FLG_KEYID_MSK		= (3 << STA_KEY_FLG_KEYID_POS),
166	STA_KEY_NOT_VALID		= BIT(11),
167	STA_KEY_FLG_WEP_13BYTES		= BIT(12),
168	STA_KEY_MULTICAST		= BIT(14),
169	STA_KEY_MFP			= BIT(15),
170};
171
172/**
173 * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
174 * @STA_MODIFY_KEY: this command modifies %key
175 * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
176 * @STA_MODIFY_TX_RATE: unused
177 * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
178 * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
179 * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
180 * @STA_MODIFY_PROT_TH:
181 * @STA_MODIFY_QUEUES: modify the queues used by this station
182 */
183enum iwl_sta_modify_flag {
184	STA_MODIFY_KEY				= BIT(0),
185	STA_MODIFY_TID_DISABLE_TX		= BIT(1),
186	STA_MODIFY_TX_RATE			= BIT(2),
187	STA_MODIFY_ADD_BA_TID			= BIT(3),
188	STA_MODIFY_REMOVE_BA_TID		= BIT(4),
189	STA_MODIFY_SLEEPING_STA_TX_COUNT	= BIT(5),
190	STA_MODIFY_PROT_TH			= BIT(6),
191	STA_MODIFY_QUEUES			= BIT(7),
192};
193
194#define STA_MODE_MODIFY	1
195
196/**
197 * enum iwl_sta_sleep_flag - type of sleep of the station
198 * @STA_SLEEP_STATE_AWAKE:
199 * @STA_SLEEP_STATE_PS_POLL:
200 * @STA_SLEEP_STATE_UAPSD:
201 * @STA_SLEEP_STATE_MOREDATA: set more-data bit on
202 *	(last) released frame
203 */
204enum iwl_sta_sleep_flag {
205	STA_SLEEP_STATE_AWAKE		= 0,
206	STA_SLEEP_STATE_PS_POLL		= BIT(0),
207	STA_SLEEP_STATE_UAPSD		= BIT(1),
208	STA_SLEEP_STATE_MOREDATA	= BIT(2),
209};
210
211/* STA ID and color bits definitions */
212#define STA_ID_SEED		(0x0f)
213#define STA_ID_POS		(0)
214#define STA_ID_MSK		(STA_ID_SEED << STA_ID_POS)
215
216#define STA_COLOR_SEED		(0x7)
217#define STA_COLOR_POS		(4)
218#define STA_COLOR_MSK		(STA_COLOR_SEED << STA_COLOR_POS)
219
220#define STA_ID_N_COLOR_GET_COLOR(id_n_color) \
221	(((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
222#define STA_ID_N_COLOR_GET_ID(id_n_color)    \
223	(((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
224
225#define STA_KEY_MAX_NUM (16)
226#define STA_KEY_IDX_INVALID (0xff)
227#define STA_KEY_MAX_DATA_KEY_NUM (4)
228#define IWL_MAX_GLOBAL_KEYS (4)
229#define STA_KEY_LEN_WEP40 (5)
230#define STA_KEY_LEN_WEP104 (13)
231
232/**
233 * struct iwl_mvm_keyinfo - key information
234 * @key_flags: type %iwl_sta_key_flag
235 * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
236 * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
237 * @key_offset: key offset in the fw's key table
238 * @key: 16-byte unicast decryption key
239 * @tx_secur_seq_cnt: initial RSC / PN needed for replay check
240 * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
241 * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
242 */
243struct iwl_mvm_keyinfo {
244	__le16 key_flags;
245	u8 tkip_rx_tsc_byte2;
246	u8 reserved1;
247	__le16 tkip_rx_ttak[5];
248	u8 key_offset;
249	u8 reserved2;
250	u8 key[16];
251	__le64 tx_secur_seq_cnt;
252	__le64 hw_tkip_mic_rx_key;
253	__le64 hw_tkip_mic_tx_key;
254} __packed;
255
256/**
257 * struct iwl_mvm_add_sta_cmd - Add/modify a station in the fw's sta table.
258 * ( REPLY_ADD_STA = 0x18 )
259 * @add_modify: 1: modify existing, 0: add new station
260 * @awake_acs:
261 * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
262 *	AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
263 * @mac_id_n_color: the Mac context this station belongs to
264 * @addr[ETH_ALEN]: station's MAC address
265 * @sta_id: index of station in uCode's station table
266 * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
267 *	alone. 1 - modify, 0 - don't change.
268 * @station_flags: look at %iwl_sta_flags
269 * @station_flags_msk: what of %station_flags have changed
270 * @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
271 *	Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
272 *	add_immediate_ba_ssn.
273 * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
274 *	Set %STA_MODIFY_REMOVE_BA_TID to use this field
275 * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
276 *	add_immediate_ba_tid.
277 * @sleep_tx_count: number of packets to transmit to station even though it is
278 *	asleep. Used to synchronise PS-poll and u-APSD responses while ucode
279 *	keeps track of STA sleep state.
280 * @sleep_state_flags: Look at %iwl_sta_sleep_flag.
281 * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
282 *	mac-addr.
283 * @beamform_flags: beam forming controls
284 * @tfd_queue_msk: tfd queues used by this station
285 *
286 * The device contains an internal table of per-station information, with info
287 * on security keys, aggregation parameters, and Tx rates for initial Tx
288 * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
289 *
290 * ADD_STA sets up the table entry for one station, either creating a new
291 * entry, or modifying a pre-existing one.
292 */
293struct iwl_mvm_add_sta_cmd {
294	u8 add_modify;
295	u8 awake_acs;
296	__le16 tid_disable_tx;
297	__le32 mac_id_n_color;
298	u8 addr[ETH_ALEN];	/* _STA_ID_MODIFY_INFO_API_S_VER_1 */
299	__le16 reserved2;
300	u8 sta_id;
301	u8 modify_mask;
302	__le16 reserved3;
303	__le32 station_flags;
304	__le32 station_flags_msk;
305	u8 add_immediate_ba_tid;
306	u8 remove_immediate_ba_tid;
307	__le16 add_immediate_ba_ssn;
308	__le16 sleep_tx_count;
309	__le16 sleep_state_flags;
310	__le16 assoc_id;
311	__le16 beamform_flags;
312	__le32 tfd_queue_msk;
313} __packed; /* ADD_STA_CMD_API_S_VER_7 */
314
315/**
316 * struct iwl_mvm_add_sta_key_cmd - add/modify sta key
317 * ( REPLY_ADD_STA_KEY = 0x17 )
318 * @sta_id: index of station in uCode's station table
319 * @key_offset: key offset in key storage
320 * @key_flags: type %iwl_sta_key_flag
321 * @key: key material data
322 * @key2: key material data
323 * @rx_secur_seq_cnt: RX security sequence counter for the key
324 * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
325 * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
326 */
327struct iwl_mvm_add_sta_key_cmd {
328	u8 sta_id;
329	u8 key_offset;
330	__le16 key_flags;
331	u8 key[16];
332	u8 key2[16];
333	u8 rx_secur_seq_cnt[16];
334	u8 tkip_rx_tsc_byte2;
335	u8 reserved;
336	__le16 tkip_rx_ttak[5];
337} __packed; /* ADD_MODIFY_STA_KEY_API_S_VER_1 */
338
339/**
340 * enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command
341 * @ADD_STA_SUCCESS: operation was executed successfully
342 * @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table
343 * @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session
344 * @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that
345 *	doesn't exist.
346 */
347enum iwl_mvm_add_sta_rsp_status {
348	ADD_STA_SUCCESS			= 0x1,
349	ADD_STA_STATIONS_OVERLOAD	= 0x2,
350	ADD_STA_IMMEDIATE_BA_FAILURE	= 0x4,
351	ADD_STA_MODIFY_NON_EXISTING_STA	= 0x8,
352};
353
354/**
355 * struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table
356 * ( REMOVE_STA = 0x19 )
357 * @sta_id: the station id of the station to be removed
358 */
359struct iwl_mvm_rm_sta_cmd {
360	u8 sta_id;
361	u8 reserved[3];
362} __packed; /* REMOVE_STA_CMD_API_S_VER_2 */
363
364/**
365 * struct iwl_mvm_mgmt_mcast_key_cmd
366 * ( MGMT_MCAST_KEY = 0x1f )
367 * @ctrl_flags: %iwl_sta_key_flag
368 * @IGTK:
369 * @K1: IGTK master key
370 * @K2: IGTK sub key
371 * @sta_id: station ID that support IGTK
372 * @key_id:
373 * @receive_seq_cnt: initial RSC/PN needed for replay check
374 */
375struct iwl_mvm_mgmt_mcast_key_cmd {
376	__le32 ctrl_flags;
377	u8 IGTK[16];
378	u8 K1[16];
379	u8 K2[16];
380	__le32 key_id;
381	__le32 sta_id;
382	__le64 receive_seq_cnt;
383} __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */
384
385struct iwl_mvm_wep_key {
386	u8 key_index;
387	u8 key_offset;
388	__le16 reserved1;
389	u8 key_size;
390	u8 reserved2[3];
391	u8 key[16];
392} __packed;
393
394struct iwl_mvm_wep_key_cmd {
395	__le32 mac_id_n_color;
396	u8 num_keys;
397	u8 decryption_type;
398	u8 flags;
399	u8 reserved;
400	struct iwl_mvm_wep_key wep_key[0];
401} __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */
402
403/**
404 * struct iwl_mvm_eosp_notification - EOSP notification from firmware
405 * @remain_frame_count: # of frames remaining, non-zero if SP was cut
406 *	short by GO absence
407 * @sta_id: station ID
408 */
409struct iwl_mvm_eosp_notification {
410	__le32 remain_frame_count;
411	__le32 sta_id;
412} __packed; /* UAPSD_EOSP_NTFY_API_S_VER_1 */
413
414#endif /* __fw_api_sta_h__ */
415