xref: /wlan-driver/qcacld-3.0/core/mac/src/pe/include/lim_session.h (revision 5113495b16420b49004c444715d2daae2066e7dc)
1 /*
2  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #if !defined(__LIM_SESSION_H)
21 #define __LIM_SESSION_H
22 
23 #include "wlan_cm_public_struct.h"
24 /**=========================================================================
25 
26    \file  lim_session.h
27 
28    \brief prototype for lim Session related APIs
29 
30    \author Sunit Bhatia
31 
32    ========================================================================*/
33 
34 /* Master Structure: This will be part of PE Session Entry */
35 typedef struct sPowersaveoffloadInfo {
36 	uint8_t bcnmiss;
37 } tPowersaveoffloadInfo, tpPowersaveoffloadInfo;
38 
39 struct comeback_timer_info {
40 	struct mac_context *mac;
41 	uint8_t vdev_id;
42 	uint8_t retried;
43 	tLimMlmStates lim_prev_mlm_state;  /* Previous MLM State */
44 	tLimMlmStates lim_mlm_state;       /* MLM State */
45 };
46 /*--------------------------------------------------------------------------
47    Include Files
48    ------------------------------------------------------------------------*/
49 
50 /*--------------------------------------------------------------------------
51    Preprocessor definitions and constants
52    ------------------------------------------------------------------------*/
53 #define SCH_PROTECTION_RESET_TIME 4000
54 
55 /*--------------------------------------------------------------------------
56    Type declarations
57    ------------------------------------------------------------------------*/
58 typedef struct {
59 	tSirMacBeaconInterval beaconInterval;
60 	uint8_t fShortPreamble;
61 	uint8_t llaCoexist;
62 	uint8_t llbCoexist;
63 	uint8_t llgCoexist;
64 	uint8_t ht20Coexist;
65 	uint8_t llnNonGFCoexist;
66 	uint8_t fRIFSMode;
67 	uint8_t fLsigTXOPProtectionFullSupport;
68 	uint8_t gHTObssMode;
69 } tBeaconParams, *tpBeaconParams;
70 
71 typedef struct join_params {
72 	uint16_t prot_status_code;
73 	uint16_t pe_session_id;
74 	tSirResultCodes result_code;
75 } join_params;
76 
77 struct reassoc_params {
78 	uint16_t prot_status_code;
79 	tSirResultCodes result_code;
80 	struct pe_session *session;
81 };
82 
83 #ifdef WLAN_FEATURE_11AX_BSS_COLOR
84 #define MAX_BSS_COLOR_VALUE 63
85 #define TIME_BEACON_NOT_UPDATED 30000
86 #define BSS_COLOR_SWITCH_COUNTDOWN 5
87 #define OBSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS 120000
88 #define OBSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS 120000
89 /*
90  * Have OBSS scan duration as 1200 seconds(20 minutes) when there is an active
91  * NDP to avoid glitches during NDP traffic due the scan.
92  */
93 #define OBSS_COLOR_COLLISION_DETECTION_NDP_PERIOD_MS 1200000
94 #define OBSS_COLOR_COLLISION_SCAN_PERIOD_MS 200
95 #define OBSS_COLOR_COLLISION_FREE_SLOT_EXPIRY_MS 50000
96 struct bss_color_info {
97 	qdf_time_t timestamp;
98 	uint64_t seen_count;
99 };
100 #endif
101 
102 /**
103  * struct obss_detection_cfg - current obss detection cfg set to firmware
104  * @obss_11b_ap_detect_mode: detection mode for 11b access point.
105  * @obss_11b_sta_detect_mode: detection mode for 11b station.
106  * @obss_11g_ap_detect_mode: detection mode for 11g access point.
107  * @obss_11a_detect_mode: detection mode for 11a access point.
108  * @obss_ht_legacy_detect_mode: detection mode for ht ap with legacy mode.
109  * @obss_ht_mixed_detect_mode: detection mode for ht ap with mixed mode.
110  * @obss_ht_20mhz_detect_mode: detection mode for ht ap with 20mhz mode.
111  */
112 struct obss_detection_cfg {
113 	uint8_t obss_11b_ap_detect_mode;
114 	uint8_t obss_11b_sta_detect_mode;
115 	uint8_t obss_11g_ap_detect_mode;
116 	uint8_t obss_11a_detect_mode;
117 	uint8_t obss_ht_legacy_detect_mode;
118 	uint8_t obss_ht_mixed_detect_mode;
119 	uint8_t obss_ht_20mhz_detect_mode;
120 };
121 
122 #define ADAPTIVE_11R_STA_IE_LEN   0x0B
123 #define ADAPTIVE_11R_STA_OUI      "\x00\x00\x0f\x22"
124 #define ADAPTIVE_11R_OUI_LEN      0x04
125 #define ADAPTIVE_11R_OUI_SUBTYPE  0x00
126 #define ADAPTIVE_11R_OUI_VERSION  0x01
127 #define ADAPTIVE_11R_DATA_LEN      0x04
128 #define ADAPTIVE_11R_OUI_DATA     "\x00\x00\x00\x01"
129 
130 #ifdef WLAN_FEATURE_11BE_MLO
131 #define WLAN_STA_PROFILE_MAX_LEN 514
132 #define WLAN_MLO_IE_COM_MAX_LEN 257
133 
134 /**
135  * struct wlan_mlo_sta_profile - Per STA profile structure
136  * @num_data: the length of data
137  * @data: the Per STA profile subelement data. Subelement ID + LEN + others,
138  * if num_data more than 257, it includes the frag IE for tx; it does not
139  * include the frag IE since it has been skipped when store the IE.
140  */
141 struct wlan_mlo_sta_profile {
142 	uint16_t num_data;
143 	uint8_t data[WLAN_STA_PROFILE_MAX_LEN];
144 };
145 
146 /**
147  * struct medium_sync_delay - medium sync delay info
148  * @medium_sync_duration: medium sync duration
149  * @medium_sync_ofdm_ed_thresh: medium sync OFDM ED threshold
150  * @medium_sync_max_txop_num: medium sync max txop num
151  */
152 struct medium_sync_delay {
153 	uint16_t medium_sync_duration:8;
154 	uint16_t medium_sync_ofdm_ed_thresh:4;
155 	uint16_t medium_sync_max_txop_num:4;
156 };
157 
158 /**
159  * struct eml_capabilities - EML capability info
160  * @emlsr_support: EMLSR support
161  * @emlsr_padding_delay: EMLSR padding delay
162  * @emlsr_transition_delay: EMLSR transition delay
163  * @emlmr_support: EMLSR support
164  * @emlmr_delay: EMLSR delay
165  * @transition_timeout: transition timeout
166  * @reserved: reserve
167  */
168 struct eml_capabilities {
169 	uint16_t emlsr_support:1;
170 	uint16_t emlsr_padding_delay:3;
171 	uint16_t emlsr_transition_delay:3;
172 	uint16_t emlmr_support:1;
173 	uint16_t emlmr_delay:3;
174 	uint16_t transition_timeout:4;
175 	uint16_t reserved:1;
176 };
177 
178 /**
179  * struct mld_capab_and_op - MLD capability and operations info
180  * @max_simultaneous_link_num: MAX simultaneous link num
181  * @srs_support: SRS support
182  * @tid_link_map_supported: TID link map support
183  * @str_freq_separation: STR freq separation
184  * @aar_support: AAR support
185  * @reserved: reserve
186  */
187 struct mld_capab_and_op {
188 	uint16_t max_simultaneous_link_num:4;
189 	uint16_t srs_support:1;
190 	uint16_t tid_link_map_supported:2;
191 	uint16_t str_freq_separation:5;
192 	uint16_t aar_support:1;
193 	uint16_t reserved:3;
194 };
195 
196 /**
197  * struct ext_mld_capab_and_op - EXT MLD capability and operations info
198  * @op_parameter_update_support: operation parameter update support
199  * @rec_max_simultaneous_links: recommended max simultaneous links
200  * @reserved: reserved
201  */
202 struct ext_mld_capab_and_op {
203 	uint16_t op_parameter_update_support:1;
204 	uint16_t rec_max_simultaneous_links:3;
205 	uint16_t reserved:11;
206 };
207 
208 /**
209  * struct wlan_mlo_ie - wlan ML IE info
210  * @type: the variant of the ML IE
211  * @reserved: reserved
212  * @link_id_info_present: the present flag of link id info
213  * @bss_param_change_cnt_present: the present flag of bss prarm change cnt
214  * @medium_sync_delay_info_present: the present flag of medium sync delay info
215  * @eml_capab_present: the present flag of EML capability
216  * @mld_capab_and_op_present: the present flag of MLD capability and operation
217  * @mld_id_present: the present flag of MLD ID
218  * @ext_mld_capab_and_op_present: Extended MLD Capabilities And
219  *                                Operations Present
220  * @reserved_1: reserved
221  * @common_info_length: common info length
222  * @mld_mac_addr: MLD mac address
223  * @link_id: link id
224  * @bss_param_change_count: bss param change count
225  * @medium_sync_delay_info: structure of medium_sync_delay
226  * @eml_capabilities_info: structure of eml_capabilities
227  * @mld_capab_and_op_info: structure of mld_capabilities and operations
228  * @mld_id_info: MLD ID
229  * @ext_mld_capab_and_op_info: structure of ext_mld_capab_and operations
230  * @num_sta_profile: the number of sta profile
231  * @sta_profile: structure of wlan_mlo_sta_profile
232  * @num_data: the length of data
233  * @data: the ML IE data, includes element ID + length + extension element ID +
234  * multi-link control and common info.
235  */
236 struct wlan_mlo_ie {
237 	uint16_t type:3;
238 	uint16_t reserved:1;
239 	uint16_t link_id_info_present:1;
240 	uint16_t bss_param_change_cnt_present:1;
241 	uint16_t medium_sync_delay_info_present:1;
242 	uint16_t eml_capab_present:1;
243 	uint16_t mld_capab_and_op_present: 1;
244 	uint16_t mld_id_present: 1;
245 	uint16_t ext_mld_capab_and_op_present: 1;
246 	uint16_t reserved_1:5;
247 	uint8_t common_info_length;
248 	uint8_t mld_mac_addr[6];
249 	uint8_t link_id;
250 	uint8_t bss_param_change_count;
251 	struct medium_sync_delay medium_sync_delay_info;
252 	struct eml_capabilities eml_capabilities_info;
253 	struct mld_capab_and_op mld_capab_and_op_info;
254 	uint8_t mld_id_info;
255 	struct ext_mld_capab_and_op ext_mld_capab_and_op_info;
256 	uint16_t num_sta_profile;
257 	struct wlan_mlo_sta_profile sta_profile[WLAN_MLO_MAX_VDEVS];
258 	uint16_t num_data;
259 	uint8_t data[WLAN_MLO_IE_COM_MAX_LEN];
260 };
261 
262 /**
263  * struct mlo_link_ie - IE per link to populate mlo ie
264  * @link_ds: DS IE
265  * @link_edca: ecsa IE
266  * @link_wmm_params: wmm params IE
267  * @link_wmm_caps: wmm caps IE
268  * @link_csa: csa IE
269  * @link_ecsa:ecsa IE
270  * @link_swt_time: switch time IE
271  * @link_quiet: quiet IE
272  * @link_ht_cap: ht cap IE
273  * @link_ht_info: ht info IE
274  * @link_cap: link caps IE
275  * @link_ext_cap: link extend cap IE
276  * @link_vht_cap: vht cap IE
277  * @link_vht_op: vht op IE
278  * @link_qcn_ie: qcn IE
279  * @link_he_cap: he cap IE
280  * @link_he_op: he op IE
281  * @link_he_6ghz_band_cap: 6G band cap IE
282  * @link_eht_cap: eht cap IE
283  * @link_eht_op: eht op IE
284  * @max_chan_swt_time: MLOTD
285  * @bss_param_change_cnt: bss param change count
286  */
287 struct mlo_link_ie {
288 	tDot11fIEDSParams                    link_ds;
289 	tDot11fIEEDCAParamSet                link_edca;
290 	tDot11fIEWMMParams                   link_wmm_params;
291 	tDot11fIEWMMCaps                     link_wmm_caps;
292 	tDot11fIEChanSwitchAnn               link_csa;
293 	tDot11fIEext_chan_switch_ann         link_ecsa;
294 	tDot11fIEmax_chan_switch_time        link_swt_time;
295 	tDot11fIEQuiet                       link_quiet;
296 	tDot11fIEHTCaps                      link_ht_cap;
297 	tDot11fIEHTInfo                      link_ht_info;
298 	tDot11fFfCapabilities                link_cap;
299 	tDot11fIEExtCap                      link_ext_cap;
300 	tDot11fIEVHTCaps                     link_vht_cap;
301 	tDot11fIEVHTOperation                link_vht_op;
302 	tDot11fIEqcn_ie                      link_qcn_ie;
303 	tDot11fIEhe_cap                      link_he_cap;
304 	tDot11fIEhe_op                       link_he_op;
305 	tDot11fIEhe_6ghz_band_cap            link_he_6ghz_band_cap;
306 	tDot11fIEeht_cap                     link_eht_cap;
307 	tDot11fIEeht_op                      link_eht_op;
308 	uint32_t                             max_chan_swt_time;
309 	uint8_t                              bss_param_change_cnt;
310 };
311 
312 /**
313  * struct mlo_link_ie_info - information per link to populate mlo ie
314  * @upt_bcn_mlo_ie: notify partner links to update their mlo ie of bcn temp
315  * @bss_param_change: bss param changed
316  * @bcn_tmpl_exist: bcn template is generated or not
317  * @link_ie: IEs which will be used for generating partner mlo IE
318  */
319 struct mlo_link_ie_info {
320 	bool upt_bcn_mlo_ie;
321 	bool bss_param_change;
322 	bool bcn_tmpl_exist;
323 	struct mlo_link_ie link_ie;
324 };
325 
326 /**
327  * struct wlan_mlo_ie_info - struct for mlo IE information
328  * @mld_mac_addr: MLD MAC address
329  * @common_info_length: Common Info Length
330  * @reserved_1: reserved bits
331  * @mld_id_present: MLD ID present
332  * @mld_capab_and_op_present: MLD capability and operations present
333  * @eml_capab_present: EML capability present
334  * @medium_sync_delay_info_present: Medium sync delay information present
335  * @bss_param_change_cnt_present: BSS parameter change count present
336  * @link_id_info_present: Link ID information present
337  * @ext_mld_capab_and_op_present: Extended MLD Capabilities And
338  *                                Operations Present
339  * @reserved: reserved bit
340  * @type: Type bits
341  */
342 struct wlan_mlo_ie_info {
343 #ifndef ANI_LITTLE_BIT_ENDIAN
344 	uint8_t mld_mac_addr[6];
345 	uint8_t common_info_length;
346 	uint16_t reserved_1:5;
347 	uint16_t ext_mld_capab_and_op_present:1;
348 	uint16_t mld_id_present:1;
349 	uint16_t mld_capab_and_op_present:1;
350 	uint16_t eml_capab_present:1;
351 	uint16_t medium_sync_delay_info_present:1;
352 	uint16_t bss_param_change_cnt_present:1;
353 	uint16_t link_id_info_present:1;
354 	uint16_t reserved:1;
355 	uint16_t type:3;
356 #else
357 	uint16_t type:3;
358 	uint16_t reserved:1;
359 	uint16_t link_id_info_present:1;
360 	uint16_t bss_param_change_cnt_present:1;
361 	uint16_t medium_sync_delay_info_present:1;
362 	uint16_t eml_capab_present:1;
363 	uint16_t mld_capab_and_op_present:1;
364 	uint16_t mld_id_present:1;
365 	uint16_t ext_mld_capab_and_op_present:1;
366 	uint16_t reserved_1:5;
367 	uint8_t common_info_length;
368 	uint8_t mld_mac_addr[6];
369 #endif
370 } qdf_packed;
371 
372 #endif
373 
374 /**
375  * struct pe_session - per-vdev PE context
376  * @available: true if the entry is available, false if it is in use
377  * @cm_id:
378  * @peSessionId: unique ID assigned to the entry
379  * @smeSessionId: ID of the session (legacy nomenclature)
380  * @vdev_id: ID of the vdev for which this entry is applicable
381  * @vdev: the actual vdev for which this entry is applicable
382  * @bssId: BSSID of the session
383  * @self_mac_addr: self MAC address
384  * * In AP role: BSSID and self_mac_addr will be the same.
385  * * In STA role: they will be different
386  * @ssId:
387  * @valid:
388  * @limMlmState: MLM State
389  * @limPrevMlmState: Previous MLM State
390  * @limSmeState: SME State
391  * @limPrevSmeState: Previous SME State
392  * @limSystemRole:
393  * @bssType:
394  * @nwType:
395  * @pLimStartBssReq:
396  * @lim_join_req: handle to sme join req
397  * @pLimReAssocReq: handle to sme reassoc req
398  * @pLimMlmJoinReq: handle to MLM join Req
399  * @pLimMlmReassocRetryReq: keep reasoc req for retry
400  * @pLimMlmReassocReq: handle to MLM reassoc Req
401  * @channelChangeReasonCode:
402  * @dot11mode:
403  * @htCapability:
404  * @connected_akm: AKM of current connection
405  * @htSupportedChannelWidthSet: HT Supported Channel Width Set:
406  * * 0 - 20MHz
407  * * 1 - 40MHz
408  * @htRecommendedTxWidthSet: Recommended Tx Width Set:
409  * * 0 - use 20 MHz channel (control channel)
410  * * 1 - use channel width enabled under Supported Channel Width Set
411  * @htSecondaryChannelOffset: Identifies the 40 MHz extension channel
412  * @limRFBand:
413  * @limCurrentAuthType:
414  * @limCurrentBssCaps:
415  * @limCurrentBssQosCaps:
416  * @limSentCapsChangeNtf:
417  * @limAID:
418  * @limReAssocbssId:
419  * @lim_reassoc_chan_freq:
420  * @reAssocHtSupportedChannelWidthSet:
421  * @reAssocHtRecommendedTxWidthSet:
422  * @reAssocHtSecondaryChannelOffset:
423  * @limReassocSSID:
424  * @limReassocBssCaps:
425  * @limReassocBssQosCaps:
426  * @limAssocResponseData: Assoc or ReAssoc Response Data/Frame
427  * @statypeForBss: to know session is for PEER or SELF
428  * @shortSlotTimeSupported:
429  * @dtimPeriod:
430  * @rateSet:
431  * @extRateSet:
432  * @htOperMode:
433  * @curr_op_freq:
434  * @curr_req_chan_freq:
435  * @LimRxedBeaconCntDuringHB:
436  * @lastBeaconTimeStamp: Time stamp of the last beacon received from the BSS
437  *                       to which STA is connected.
438  * @currentBssBeaconCnt: RX Beacon count for the current BSS to which STA
439  *                       is connected.
440  * @bcon_dtim_period: Beacon DTIM period
441  * @bcnLen: Length of @beacon
442  * @beacon: Used to store last beacon / probe response before assoc.
443  * @assocReqLen: Length of @assoc_req
444  * @assoc_req: Used to store association request frame
445  * @assocRspLen: Length of @assocRsp
446  * @assocRsp: Used to store association response received while associating
447  * @dph:
448  * @parsedAssocReq: Used to store parsed assoc req from various requesting
449  *                  station
450  * @RICDataLen: Length of @ricData
451  * @ricData: Used to store the Ric data received in the assoc response
452  * @tspecLen: Length of @tspecIes
453  * @tspecIes: Used to store the TSPEC IEs received in the assoc response
454  * @encryptType:
455  * @gLimProtectionControl: used for 11n protection
456  * @gHTNonGFDevicesPresent:
457  * @cfgProtection: protection related config cache
458  * @gLim11bParams: Number of legacy STAs associated
459  * @gLim11aParams: Number of 11A STAs associated
460  * @gLim11gParams: Number of non-ht non-legacy STAs associated
461  * @gLimNonGfParams: Number of nonGf STA associated
462  * @gLimHt20Params: Number of HT 20 STAs associated
463  * @gLimLsigTxopParams: Number of Lsig Txop not supported STAs associated
464  * @gLimNoShortParams: Number of STAs that do not support short preamble
465  * @gLimNoShortSlotParams: Number of STAs that do not support short slot time
466  * @gLimOlbcParams: OLBC parameters
467  * @gLimOverlap11gParams: OLBC parameters
468  * @gLimOverlap11aParams:
469  * @gLimOverlapHt20Params:
470  * @gLimOverlapNonGfParams:
471  * @protStaCache: cache for each overlap
472  * @privacy:
473  * @authType:
474  * @WEPKeyMaterial:
475  * @wmm_params:
476  * @gStartBssRSNIe:
477  * @gStartBssWPAIe:
478  * @APWPSIEs:
479  * @apUapsdEnable:
480  * @pAPWPSPBCSession:
481  * @DefProbeRspIeBitmap:
482  * @proxyProbeRspEn:
483  * @probeRespFrame:
484  * @ssidHidden:
485  * @fwdWPSPBCProbeReq:
486  * @wps_state:
487  * @wps_registration:
488  * @limQosEnabled: Is 802.11e QoS enabled
489  * @limWmeEnabled: Is WME enabled
490  * @limWsmEnabled: Is WSM enabled
491  * @limHcfEnabled: Is HCF enabled
492  * @limRmfEnabled: Is 802.11w RMF enabled
493  * @lim11hEnable: Is 802.11h enabled
494  * @maxTxPower: Max transmit power, the minimum of Regulatory and local
495  *              power constraint)
496  * @min_11h_pwr:
497  * @max_11h_pwr:
498  * @opmode:
499  * @txMgmtPower:
500  * @is11Rconnection:
501  * @is_adaptive_11r_connection: flag to check if we are connecting
502  * @isESEconnection:
503  * @eseContext:
504  * @isFastTransitionEnabled:
505  * @isFastRoamIniFeatureEnabled:
506  * @p2pGoPsUpdate:
507  * @defaultAuthFailureTimeout:
508  * @gLimEdcaParams: These EDCA parameters are used locally on AP or STA.
509  * If STA, then these are values taken from the Assoc Rsp when associating,
510  * or Beacons/Probe Response after association.  If AP, then these are
511  * values originally set locally on AP.
512  * @gLimEdcaParamsBC: These EDCA parameters are use by AP to broadcast
513  * to other STATIONs in the BSS.
514  * @gLimEdcaParamsActive: These EDCA parameters are what's actively being
515  * used on station. Specific AC values may be downgraded depending on
516  * admission control for that particular AC.
517  * @gLimEdcaParamSetCount:
518  * @beaconParams:
519  * @vhtCapability:
520  * @gLimOperatingMode:
521  * @vhtCapabilityPresentInBeacon:
522  * @ch_center_freq_seg0: center freq number as advertised OTA
523  * @ch_width:    Session max channel width
524  * @ap_ch_width: AP advertised channel width
525  * @puncture_bitmap:
526  * @ch_center_freq_seg1:
527  * @enableVhtpAid:
528  * @enableVhtGid:
529  * @gLimWiderBWChannelSwitch:
530  * @enableAmpduPs:
531  * @send_smps_action:
532  * @spectrumMgtEnabled:
533  * @gLimSpecMgmt:
534  * @gLimChannelSwitch: CB Primary/Secondary Channel Switch Info
535  * @gLimPhyMode:
536  * @txLdpcIniFeatureEnabled:
537  * @gpLimPeerIdxpool: free peer index pool. A non-zero value indicates that
538  *                    peer index is available for assignment.
539  * @freePeerIdxHead:
540  * @freePeerIdxTail:
541  * @gLimNumOfCurrentSTAs:
542  * @peerAIDBitmap:
543  * @tdls_send_set_state_disable:
544  * @fWaitForProbeRsp:
545  * @fIgnoreCapsChange:
546  * @fDeauthReceived:
547  * @rssi:
548  * @max_amsdu_num:
549  * @ht_config:
550  * @vht_config:
551  * @gLimCurrentBssUapsd:
552  * @gUapsdPerAcBitmask: Used on STA, this is a static UAPSD mask setting
553  *                      derived from SME_JOIN_REQ and SME_REASSOC_REQ. If a
554  *                      particular AC bit is set, it means the AC is both
555  *                      trigger enabled and delivery enabled.
556  * @gUapsdPerAcTriggerEnableMask: Used on STA, this is a dynamic UPASD mask
557  *                                setting derived from AddTS Rsp and DelTS
558  *                                frame. If a particular AC bit is set, it
559  *                                means AC is trigger enabled.
560  * @gUapsdPerAcDeliveryEnableMask: Used on STA, dynamic UPASD mask setting
561  *                                 derived from AddTS Rsp and DelTs frame. If
562  *                                 a particular AC bit is set, it means AC is
563  *                                 delivery enabled.
564  * @csaOffloadEnable: Flag to skip CSA IE processing when CSA offload is
565  *                    enabled.
566  * @gAcAdmitMask: Used on STA for AC downgrade. This is a dynamic mask
567  *                setting which keep tracks of ACs being admitted.
568  *                If bit is set to 0: That particular AC is not admitted
569  *                If bit is set to 1: That particular AC is admitted
570  * @pmmOffloadInfo: Power Save Off load Parameters
571  * @smpsMode: SMPS mode
572  * @chainMask:
573  * @dfsIncludeChanSwIe: Flag to indicate Chan Sw announcement is required
574  * @dfsIncludeChanWrapperIe: Flag to indicate Chan Wrapper Element is required
575  * @bw_update_include_ch_sw_ie: Flag to indicate chan switch Element is required
576  *                              due to bandwidth update
577  * @cc_switch_mode:
578  * @isCiscoVendorAP:
579  * @add_ie_params:
580  * @pSchProbeRspTemplate:
581  * @pSchBeaconFrameBegin: Beginning portion of the beacon frame to be written
582  *                        to TFP
583  * @pSchBeaconFrameEnd: Trailing portion of the beacon frame to be written
584  *                      to TFP
585  * @schBeaconOffsetBegin: Size of the beginning portion
586  * @schBeaconOffsetEnd: Size of the trailing portion
587  * @isOSENConnection:
588  * @QosMapSet: DSCP to UP mapping for HS 2.0
589  * @bRoamSynchInProgress:
590  * @ftPEContext: Fast Transition (FT) Context
591  * @isNonRoamReassoc:
592  * @pmf_retry_timer:
593  * @pmf_retry_timer_info:
594  * @protection_fields_reset_timer: timer for resetting protection fields
595  *                                 at regular intervals
596  * @ap_ecsa_timer: timer to decrement CSA/ECSA count
597  * @ap_ecsa_wakelock: wakelock to complete CSA operation.
598  * @ap_ecsa_runtime_lock: runtime lock to complete SAP CSA operation.
599  *                        to Adaptive 11R network
600  * @mac_ctx: MAC context
601  * @old_protection_state: variable to store state of various protection
602  *                        struct like gLimOlbcParams, gLimOverlap11gParams,
603  *                         gLimOverlapHt20Params etc
604  * @prev_ap_bssid:
605  * @sap_advertise_avoid_ch_ie: tells if Q2Q IE, from another MDM device in
606  *                             AP MCC mode was received
607  * @is_ese_version_ie_present:
608  * @sap_dot11mc:
609  * @is_vendor_specific_vhtcaps:
610  * @vendor_specific_vht_ie_sub_type:
611  * @vendor_vht_sap:
612  * @hs20vendor_ie: HS 2.0 Indication
613  * @country_info_present: flag to indicate country code in beacon
614  * @nss:
615  * @nss_forced_1x1:
616  * @add_bss_failed:
617  * @obss_ht40_scanparam: OBSS Scan IE Parameters
618  * @vdev_nss:
619  * @supported_nss_1x1: Supported NSS is intersection of self and peer NSS
620  * @is_ext_caps_present:
621  * @beacon_tx_rate:
622  * @access_policy_vendor_ie:
623  * @access_policy:
624  * @send_p2p_conf_frame:
625  * @process_ho_fail:
626  * @lim_non_ecsa_cap_num: Number of STAs that do not support ECSA capability
627  * @he_capable:
628  * @he_config:
629  * @he_op:
630  * @he_sta_obsspd:
631  * @he_6ghz_band:
632  * @he_bss_color_change:
633  * @bss_color_info:
634  * @bss_color_changing:
635  * @deauth_retry:
636  * @enable_bcast_probe_rsp:
637  * @ht_client_cnt:
638  * @ch_switch_in_progress:
639  * @he_with_wep_tkip:
640  * @fils_info:
641  * @prev_auth_seq_num: Sequence number of previously received auth frame to
642  *                     detect duplicate frames.
643  * @prev_auth_mac_addr: mac_addr of the sta correspond to @prev_auth_seq_num
644  * @obss_offload_cfg:
645  * @current_obss_detection:
646  * @is_session_obss_offload_enabled:
647  * @is_obss_reset_timer_initialized:
648  * @sae_pmk_cached:
649  * @recvd_deauth_while_roaming:
650  * @recvd_disassoc_while_roaming:
651  * @deauth_disassoc_rc:
652  * @obss_color_collision_dec_evt:
653  * @is_session_obss_color_collision_det_enabled:
654  * @ap_mu_edca_params:
655  * @mu_edca_present:
656  * @def_max_tx_pwr:
657  * @active_ba_64_session:
658  * @is_mbssid_enabled:
659  * @peer_twt_requestor:
660  * @peer_twt_responder:
661  * @enable_session_twt_support:
662  * @cac_duration_ms:
663  * @stop_bss_reason:
664  * @prot_status_code:
665  * @result_code:
666  * @dfs_regdomain:
667  * @ap_defined_power_type_6g: 6 GHz power type advertised by AP
668  * @best_6g_power_type: best 6 GHz power type
669  * @sta_follows_sap_power:
670  * @eht_capable:
671  * @eht_config:
672  * @eht_op:
673  * @mlo_link_info:
674  * @ml_partner_info:
675  * @mlo_ie_total_len:
676  * @mlo_ie:
677  * @user_edca_set:
678  * @is_oui_auth_assoc_6mbps_2ghz_enable: send auth/assoc req with 6 Mbps rate
679  * @is_unexpected_peer_error: true if unexpected peer error
680  * on 2.4 GHz
681  * @join_probe_cnt: join probe request count
682  */
683 struct pe_session {
684 	uint8_t available;
685 	wlan_cm_id cm_id;
686 	uint16_t peSessionId;
687 	union {
688 		uint8_t smeSessionId;
689 		uint8_t vdev_id;
690 	};
691 	struct wlan_objmgr_vdev *vdev;
692 
693 	tSirMacAddr bssId;
694 	tSirMacAddr self_mac_addr;
695 	tSirMacSSid ssId;
696 	uint8_t valid;
697 	tLimMlmStates limMlmState;
698 	tLimMlmStates limPrevMlmState;
699 	tLimSmeStates limSmeState;
700 	tLimSmeStates limPrevSmeState;
701 	tLimSystemRole limSystemRole;
702 	enum bss_type bssType;
703 	tSirNwType nwType;
704 	struct start_bss_config *pLimStartBssReq;
705 	struct join_req *lim_join_req;
706 	struct join_req *pLimReAssocReq;
707 	tpLimMlmJoinReq pLimMlmJoinReq;
708 	void *pLimMlmReassocRetryReq;
709 	void *pLimMlmReassocReq;
710 	uint16_t channelChangeReasonCode;
711 	uint8_t dot11mode;
712 	uint8_t htCapability;
713 	enum ani_akm_type connected_akm;
714 
715 	uint8_t htSupportedChannelWidthSet;
716 	uint8_t htRecommendedTxWidthSet;
717 	ePhyChanBondState htSecondaryChannelOffset;
718 	enum reg_wifi_band limRFBand;
719 
720 	tAniAuthType limCurrentAuthType;
721 	uint16_t limCurrentBssCaps;
722 	uint8_t limCurrentBssQosCaps;
723 	uint8_t limSentCapsChangeNtf;
724 	uint16_t limAID;
725 
726 	tSirMacAddr limReAssocbssId;
727 	uint32_t lim_reassoc_chan_freq;
728 	uint8_t reAssocHtSupportedChannelWidthSet;
729 	uint8_t reAssocHtRecommendedTxWidthSet;
730 	ePhyChanBondState reAssocHtSecondaryChannelOffset;
731 	tSirMacSSid limReassocSSID;
732 	uint16_t limReassocBssCaps;
733 	uint8_t limReassocBssQosCaps;
734 
735 	void *limAssocResponseData;
736 
737 	uint16_t statypeForBss;
738 	uint8_t shortSlotTimeSupported;
739 	uint8_t dtimPeriod;
740 	tSirMacRateSet rateSet;
741 	tSirMacRateSet extRateSet;
742 	tSirMacHTOperatingMode htOperMode;
743 	qdf_freq_t curr_op_freq;
744 	uint32_t curr_req_chan_freq;
745 	uint8_t LimRxedBeaconCntDuringHB;
746 	uint64_t lastBeaconTimeStamp;
747 	uint32_t currentBssBeaconCnt;
748 	uint8_t bcon_dtim_period;
749 
750 	uint32_t bcnLen;
751 	uint8_t *beacon;
752 
753 	uint32_t assocReqLen;
754 	uint8_t *assoc_req;
755 
756 	uint32_t assocRspLen;
757 	uint8_t *assocRsp;
758 	tAniSirDph dph;
759 	void **parsedAssocReq;
760 	uint32_t RICDataLen;
761 	uint8_t *ricData;
762 #ifdef FEATURE_WLAN_ESE
763 	uint32_t tspecLen;
764 	uint8_t *tspecIes;
765 #endif
766 	uint32_t encryptType;
767 
768 	uint8_t gLimProtectionControl;
769 
770 	uint8_t gHTNonGFDevicesPresent;
771 
772 	tCfgProtection cfgProtection;
773 	tLimProtStaParams gLim11bParams;
774 	tLimProtStaParams gLim11aParams;
775 	tLimProtStaParams gLim11gParams;
776 	tLimProtStaParams gLimNonGfParams;
777 	tLimProtStaParams gLimHt20Params;
778 	tLimProtStaParams gLimLsigTxopParams;
779 	tLimNoShortParams gLimNoShortParams;
780 	tLimNoShortSlotParams gLimNoShortSlotParams;
781 	tLimProtStaParams gLimOlbcParams;
782 	tLimProtStaParams gLimOverlap11gParams;
783 	tLimProtStaParams gLimOverlap11aParams;
784 	tLimProtStaParams gLimOverlapHt20Params;
785 	tLimProtStaParams gLimOverlapNonGfParams;
786 
787 	tCacheParams protStaCache[LIM_PROT_STA_CACHE_SIZE];
788 
789 	uint8_t privacy;
790 	tAniAuthType authType;
791 	tDot11fIEWMMParams wmm_params;
792 	tDot11fIERSN gStartBssRSNIe;
793 	tDot11fIEWPA gStartBssWPAIe;
794 	tSirAPWPSIEs APWPSIEs;
795 	uint8_t apUapsdEnable;
796 	tSirWPSPBCSession *pAPWPSPBCSession;
797 	uint32_t DefProbeRspIeBitmap[8];
798 	uint32_t proxyProbeRspEn;
799 	tDot11fProbeResponse probeRespFrame;
800 	uint8_t ssidHidden;
801 	bool fwdWPSPBCProbeReq;
802 	uint8_t wps_state;
803 	bool wps_registration;
804 
805 	uint8_t limQosEnabled:1;
806 	uint8_t limWmeEnabled:1;
807 	uint8_t limWsmEnabled:1;
808 	uint8_t limHcfEnabled:1;
809 	uint8_t limRmfEnabled:1;
810 	uint32_t lim11hEnable;
811 
812 	int8_t maxTxPower;
813 	int8_t min_11h_pwr;
814 	int8_t max_11h_pwr;
815 	enum QDF_OPMODE opmode;
816 	int8_t txMgmtPower;
817 	bool is11Rconnection;
818 	bool is_adaptive_11r_connection;
819 
820 #ifdef FEATURE_WLAN_ESE
821 	tEsePEContext eseContext;
822 #endif
823 	tSirP2PNoaAttr p2pGoPsUpdate;
824 	uint32_t defaultAuthFailureTimeout;
825 
826 	tSirMacEdcaParamRecord gLimEdcaParams[QCA_WLAN_AC_ALL];
827 	tSirMacEdcaParamRecord gLimEdcaParamsBC[QCA_WLAN_AC_ALL];
828 	tSirMacEdcaParamRecord gLimEdcaParamsActive[QCA_WLAN_AC_ALL];
829 
830 	uint8_t gLimEdcaParamSetCount;
831 
832 	tBeaconParams beaconParams;
833 	uint8_t vhtCapability;
834 	tLimOperatingModeInfo gLimOperatingMode;
835 	uint8_t vhtCapabilityPresentInBeacon;
836 	uint8_t ch_center_freq_seg0;
837 	enum phy_ch_width ch_width;
838 	enum phy_ch_width ap_ch_width;
839 #ifdef WLAN_FEATURE_11BE
840 	uint16_t puncture_bitmap;
841 #endif
842 	uint8_t ch_center_freq_seg1;
843 	uint8_t enableVhtpAid;
844 	uint8_t enableVhtGid;
845 	tLimWiderBWChannelSwitchInfo gLimWiderBWChannelSwitch;
846 	uint8_t enableAmpduPs;
847 	bool send_smps_action;
848 	uint8_t spectrumMgtEnabled;
849 
850 	tLimSpecMgmtInfo gLimSpecMgmt;
851 	tLimChannelSwitchInfo gLimChannelSwitch;
852 
853 	uint32_t gLimPhyMode;
854 	uint8_t txLdpcIniFeatureEnabled;
855 	uint8_t *gpLimPeerIdxpool;
856 	uint8_t freePeerIdxHead;
857 	uint8_t freePeerIdxTail;
858 	uint16_t gLimNumOfCurrentSTAs;
859 #ifdef FEATURE_WLAN_TDLS
860 	uint32_t peerAIDBitmap[2];
861 	bool tdls_send_set_state_disable;
862 #endif
863 	bool fWaitForProbeRsp;
864 	bool fIgnoreCapsChange;
865 	bool fDeauthReceived;
866 #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
867 	int8_t rssi;
868 #endif
869 	uint8_t max_amsdu_num;
870 	struct mlme_ht_capabilities_info ht_config;
871 	struct wlan_vht_config vht_config;
872 	uint8_t gLimCurrentBssUapsd;
873 	uint8_t gUapsdPerAcBitmask;
874 	uint8_t gUapsdPerAcTriggerEnableMask;
875 	uint8_t gUapsdPerAcDeliveryEnableMask;
876 	uint8_t csaOffloadEnable;
877 	uint8_t gAcAdmitMask[SIR_MAC_DIRECTION_DIRECT];
878 
879 	tPowersaveoffloadInfo pmmOffloadInfo;
880 	uint8_t smpsMode;
881 
882 	uint8_t chainMask;
883 
884 	uint8_t dfsIncludeChanSwIe;
885 
886 	uint8_t dfsIncludeChanWrapperIe;
887 	uint8_t bw_update_include_ch_sw_ie;
888 
889 #ifdef FEATURE_WLAN_MCC_TO_SCC_SWITCH
890 	uint8_t cc_switch_mode;
891 #endif
892 
893 	bool isCiscoVendorAP;
894 
895 	struct add_ie_params add_ie_params;
896 
897 	uint8_t *pSchProbeRspTemplate;
898 	uint8_t *pSchBeaconFrameBegin;
899 	uint8_t *pSchBeaconFrameEnd;
900 	uint16_t schBeaconOffsetBegin;
901 	uint16_t schBeaconOffsetEnd;
902 	bool isOSENConnection;
903 	struct qos_map_set QosMapSet;
904 
905 #ifdef WLAN_FEATURE_ROAM_OFFLOAD
906 	bool bRoamSynchInProgress;
907 #endif
908 
909 	tftPEContext ftPEContext;
910 	bool isNonRoamReassoc;
911 	qdf_mc_timer_t pmf_retry_timer;
912 	struct comeback_timer_info pmf_retry_timer_info;
913 	qdf_mc_timer_t protection_fields_reset_timer;
914 	qdf_mc_timer_t ap_ecsa_timer;
915 	qdf_wake_lock_t ap_ecsa_wakelock;
916 	qdf_runtime_lock_t ap_ecsa_runtime_lock;
917 	struct mac_context *mac_ctx;
918 	uint16_t old_protection_state;
919 	tSirMacAddr prev_ap_bssid;
920 #ifdef FEATURE_AP_MCC_CH_AVOIDANCE
921 	bool sap_advertise_avoid_ch_ie;
922 #endif /* FEATURE_AP_MCC_CH_AVOIDANCE */
923 #ifdef FEATURE_WLAN_ESE
924 	uint8_t is_ese_version_ie_present;
925 #endif
926 	bool sap_dot11mc;
927 	bool is_vendor_specific_vhtcaps;
928 	uint8_t vendor_specific_vht_ie_sub_type;
929 	bool vendor_vht_sap;
930 	tDot11fIEhs20vendor_ie hs20vendor_ie;
931 	uint8_t country_info_present;
932 	uint8_t nss;
933 	bool nss_forced_1x1;
934 	bool add_bss_failed;
935 	struct obss_scanparam obss_ht40_scanparam;
936 	uint8_t vdev_nss;
937 	bool supported_nss_1x1;
938 	bool is_ext_caps_present;
939 	uint16_t beacon_tx_rate;
940 	uint8_t *access_policy_vendor_ie;
941 	uint8_t access_policy;
942 	bool send_p2p_conf_frame;
943 	bool process_ho_fail;
944 	uint8_t lim_non_ecsa_cap_num;
945 #ifdef WLAN_FEATURE_11AX
946 	bool he_capable;
947 	tDot11fIEhe_cap he_config;
948 	tDot11fIEhe_op he_op;
949 	uint32_t he_sta_obsspd;
950 	bool he_6ghz_band;
951 #ifdef WLAN_FEATURE_11AX_BSS_COLOR
952 	tDot11fIEbss_color_change he_bss_color_change;
953 	struct bss_color_info bss_color_info[MAX_BSS_COLOR_VALUE];
954 	uint8_t bss_color_changing;
955 #endif
956 #endif
957 	struct deauth_retry_params deauth_retry;
958 	bool enable_bcast_probe_rsp;
959 	uint8_t ht_client_cnt;
960 	bool ch_switch_in_progress;
961 	bool he_with_wep_tkip;
962 #ifdef WLAN_FEATURE_FILS_SK
963 	struct pe_fils_session *fils_info;
964 #endif
965 
966 	uint16_t prev_auth_seq_num;
967 	tSirMacAddr prev_auth_mac_addr;
968 	struct obss_detection_cfg obss_offload_cfg;
969 	struct obss_detection_cfg current_obss_detection;
970 	bool is_session_obss_offload_enabled;
971 	bool is_obss_reset_timer_initialized;
972 	bool sae_pmk_cached;
973 	bool recvd_deauth_while_roaming;
974 	bool recvd_disassoc_while_roaming;
975 	uint16_t deauth_disassoc_rc;
976 	enum wmi_obss_color_collision_evt_type obss_color_collision_dec_evt;
977 	bool is_session_obss_color_collision_det_enabled;
978 	tSirMacEdcaParamRecord ap_mu_edca_params[QCA_WLAN_AC_ALL];
979 	bool mu_edca_present;
980 	int8_t def_max_tx_pwr;
981 	bool active_ba_64_session;
982 	bool is_mbssid_enabled;
983 #ifdef WLAN_SUPPORT_TWT
984 	uint8_t peer_twt_requestor;
985 	uint8_t peer_twt_responder;
986 #endif
987 	bool enable_session_twt_support;
988 	uint32_t cac_duration_ms;
989 	tSirResultCodes stop_bss_reason;
990 	uint16_t prot_status_code;
991 	tSirResultCodes result_code;
992 	uint32_t dfs_regdomain;
993 	uint8_t ap_defined_power_type_6g;
994 	uint8_t best_6g_power_type;
995 	bool sta_follows_sap_power;
996 #ifdef WLAN_FEATURE_11BE
997 	bool eht_capable;
998 	tDot11fIEeht_cap eht_config;
999 	tDot11fIEeht_op eht_op;
1000 #ifdef WLAN_FEATURE_11BE_MLO
1001 	struct mlo_link_ie_info mlo_link_info;
1002 	struct mlo_partner_info ml_partner_info;
1003 	uint16_t mlo_ie_total_len;
1004 	struct wlan_mlo_ie mlo_ie;
1005 #endif
1006 #endif /* WLAN_FEATURE_11BE */
1007 	uint8_t user_edca_set;
1008 	bool is_oui_auth_assoc_6mbps_2ghz_enable;
1009 	bool is_unexpected_peer_error;
1010 	uint8_t join_probe_cnt;
1011 };
1012 
1013 /*-------------------------------------------------------------------------
1014    Function declarations and documentation
1015    ------------------------------------------------------------------------*/
1016 
1017 #ifdef WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY
1018 /**
1019  * pe_allocate_dph_node_array_buffer() - Allocate g_dph_node_array
1020  * memory dynamically
1021  *
1022  * Return: QDF_STATUS_SUCCESS on success, QDF_STATUS_E_NOMEM on failure
1023  */
1024 QDF_STATUS pe_allocate_dph_node_array_buffer(void);
1025 
1026 /**
1027  * pe_free_dph_node_array_buffer() - Free memory allocated dynamically
1028  *
1029  * Return: None
1030  */
1031 void pe_free_dph_node_array_buffer(void);
1032 #else /* WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY */
pe_allocate_dph_node_array_buffer(void)1033 static inline QDF_STATUS pe_allocate_dph_node_array_buffer(void)
1034 {
1035 	return QDF_STATUS_SUCCESS;
1036 }
1037 
pe_free_dph_node_array_buffer(void)1038 static inline void pe_free_dph_node_array_buffer(void)
1039 {
1040 }
1041 #endif /* WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY */
1042 
1043 /**
1044  * pe_create_session() - Creates a new PE session given the BSSID
1045  * @mac: pointer to global adapter context
1046  * @bssid: BSSID of the new session
1047  * @sessionId: PE session ID is returned here, if PE session is created.
1048  * @numSta: number of stations
1049  * @bssType: bss type of new session to do conditional memory allocation.
1050  * @vdev_id: vdev_id
1051  *
1052  * This function returns the session context and the session ID if the session
1053  * corresponding to the passed BSSID is found in the PE session table.
1054  *
1055  * Return: ptr to the session context or NULL if session can not be created.
1056  */
1057 struct pe_session *pe_create_session(struct mac_context *mac,
1058 				     uint8_t *bssid, uint8_t *sessionId,
1059 				     uint16_t numSta, enum bss_type bssType,
1060 				     uint8_t vdev_id);
1061 
1062 /**
1063  * pe_find_session_by_bssid() - looks up the PE session given the BSSID.
1064  *
1065  * @mac:          pointer to global adapter context
1066  * @bssid:         BSSID of the new session
1067  * @sessionId:     session ID is returned here, if session is created.
1068  *
1069  * This function returns the session context and the session ID if the session
1070  * corresponding to the given BSSID is found in the PE session table.
1071  *
1072  * Return: pointer to the session context or NULL if session is not found.
1073  */
1074 struct pe_session *pe_find_session_by_bssid(struct mac_context *mac, uint8_t *bssid,
1075 				     uint8_t *sessionId);
1076 
1077 /**
1078  * pe_find_session_by_vdev_id() - looks up the PE session given the vdev_id.
1079  * @mac:             pointer to global adapter context
1080  * @vdev_id:         vdev id the session
1081  *
1082  * Return: pointer to the session context or NULL if session is not found.
1083  */
1084 struct pe_session *pe_find_session_by_vdev_id(struct mac_context *mac,
1085 					      uint8_t vdev_id);
1086 
1087 /**
1088  * pe_find_session_by_vdev_id_and_state() - Find PE session by vdev_id and
1089  * mlm state.
1090  * @mac:             pointer to global adapter context
1091  * @vdev_id:         vdev id the session
1092  * @lim_state:       LIM state of the session
1093  *
1094  * During LFR2 roaming, new pe session is created before old pe session
1095  * deleted, the 2 pe sessions have different pe session id, but same vdev id,
1096  * can't get correct pe session by vdev id at this time.
1097  *
1098  * Return: pointer to the session context or NULL if session is not found.
1099  */
1100 struct pe_session
1101 *pe_find_session_by_vdev_id_and_state(struct mac_context *mac,
1102 				      uint8_t vdev_id,
1103 				      enum eLimMlmStates lim_state);
1104 
1105 /**
1106  * pe_find_session_by_bssid_and_vdev_id() - looks up the PE session given
1107  * the BSSID and vdev id.
1108  * @mac:          pointer to global adapter context
1109  * @bssid:         BSSID of the new session
1110  * @vdev_id:         vdev id the session
1111  * @sessionId:     session ID is returned here, if session is created.
1112  *
1113  * This function returns the session context and the session ID if the session
1114  * corresponding to the given BSSID and vdev id is found in the PE
1115  * session table.
1116  *
1117  * Return: pointer to the session context or NULL if session is not found.
1118  */
1119 struct pe_session *pe_find_session_by_bssid_and_vdev_id(struct mac_context *mac,
1120 							uint8_t *bssid,
1121 							uint8_t vdev_id,
1122 							uint8_t *sessionId);
1123 
1124 /**
1125  * pe_find_session_by_peer_sta() - looks up the PE session given the Peer
1126  * Station Address.
1127  *
1128  * @mac:          pointer to global adapter context
1129  * @sa:            Peer STA Address of the session
1130  * @sessionId:     session ID is returned here, if session is found.
1131  *
1132  * This function returns the session context and the session ID if the session
1133  * corresponding to the given destination address is found in the PE session
1134  * table.
1135  *
1136  * Return: pointer to the session context or NULL if session is not found.
1137  */
1138 struct pe_session *pe_find_session_by_peer_sta(struct mac_context *mac, uint8_t *sa,
1139 					uint8_t *sessionId);
1140 
1141 /**
1142  * pe_find_session_by_session_id() - looks up the PE session given the session
1143  * ID.
1144  *
1145  * @mac:          pointer to global adapter context
1146  * @sessionId:     session ID for which session context needs to be looked up.
1147  *
1148  * This function returns the session context  if the session corresponding to
1149  * the given session ID is found in the PE session table.
1150  *
1151  * Return: pointer to the session context or NULL if session is not found.
1152  */
1153 struct pe_session *pe_find_session_by_session_id(struct mac_context *mac,
1154 					  uint8_t sessionId);
1155 
1156 /**
1157  * pe_delete_session() - deletes the PE session given the session ID.
1158  *
1159  * @mac:        pointer to global adapter context
1160  * @pe_session: session to delete
1161  *
1162  * Return: void
1163  */
1164 void pe_delete_session(struct mac_context *mac, struct pe_session *pe_session);
1165 
1166 /**
1167  * pe_find_session_by_scan_id() - looks up the PE session for given scan id
1168  * @mac_ctx:   pointer to global adapter context
1169  * @scan_id:   scan id
1170  *
1171  * looks up the PE session for given scan id
1172  *
1173  * Return: pe session entry for given scan id if found else NULL
1174  */
1175 struct pe_session *pe_find_session_by_scan_id(struct mac_context *mac_ctx,
1176 				       uint32_t scan_id);
1177 
1178 uint8_t pe_get_active_session_count(struct mac_context *mac_ctx);
1179 
1180 /**
1181  * lim_dump_session_info() - Dump the key parameters of PE session
1182  * @mac_ctx: Global MAC context
1183  * @pe_session: PE session
1184  *
1185  * Dumps the fields from the @pe_session for debugging.
1186  *
1187  * Return: void
1188  */
1189 void lim_dump_session_info(struct mac_context *mac_ctx,
1190 			   struct pe_session *pe_session);
1191 
1192 #ifdef WLAN_FEATURE_11AX
1193 /**
1194  * lim_dump_he_info() - Dump HE fields in PE session
1195  * @mac: Global MAC context
1196  * @session: PE session
1197  *
1198  * Dumps the fields related to HE from the @session for debugging
1199  *
1200  * Return: void
1201  */
1202 void lim_dump_he_info(struct mac_context *mac, struct pe_session *session);
1203 #else
lim_dump_he_info(struct mac_context * mac,struct pe_session * session)1204 static inline void lim_dump_he_info(struct mac_context *mac,
1205 				    struct pe_session *session)
1206 {
1207 }
1208 #endif
1209 
1210 #ifdef WLAN_FEATURE_11BE_MLO
1211 /**
1212  * lim_dump_eht_info() - Dump EHT fields in PE session
1213  * @session: PE session
1214  *
1215  * Dumps the fields related to EHT from @session for debugging
1216  *
1217  * Return: void
1218  */
1219 void lim_dump_eht_info(struct pe_session *session);
1220 #else
lim_dump_eht_info(struct pe_session * session)1221 static inline void lim_dump_eht_info(struct pe_session *session)
1222 {
1223 }
1224 #endif
1225 
1226 #ifdef WLAN_FEATURE_FILS_SK
1227 /**
1228  * pe_delete_fils_info: API to delete fils session info
1229  * @session: pe session
1230  *
1231  * Return: void
1232  */
1233 void pe_delete_fils_info(struct pe_session *session);
1234 #endif
1235 
1236 /**
1237  * lim_set_bcn_probe_filter - set the beacon/probe filter in mac context
1238  *
1239  * @mac_ctx: pointer to global mac context
1240  * @session: pointer to the PE session
1241  * @sap_channel: Operating Channel of the session for SAP sessions
1242  *
1243  * Sets the beacon/probe filter in the global mac context to filter
1244  * and drop beacon/probe frames before posting it to PE queue
1245  *
1246  * Return: None
1247  */
1248 void lim_set_bcn_probe_filter(struct mac_context *mac_ctx,
1249 				struct pe_session *session,
1250 				uint8_t sap_channel);
1251 
1252 /**
1253  * lim_reset_bcn_probe_filter - clear the beacon/probe filter in mac context
1254  *
1255  * @mac_ctx: pointer to the global mac context
1256  * @session: pointer to the PE session whose filter is to be cleared
1257  *
1258  * Return: None
1259  */
1260 void lim_reset_bcn_probe_filter(struct mac_context *mac_ctx, struct pe_session *session);
1261 
1262 /**
1263  * lim_update_bcn_probe_filter - Update the beacon/probe filter in mac context
1264  *
1265  * @mac_ctx: pointer to the global mac context
1266  * @session: pointer to the PE session whose filter is to be cleared
1267  *
1268  * This API is applicable only for SAP sessions to update the SAP channel
1269  * in the filter during a channel switch
1270  *
1271  * Return: None
1272  */
1273 void lim_update_bcn_probe_filter(struct mac_context *mac_ctx, struct pe_session *session);
1274 
1275 #endif /* #if !defined( __LIM_SESSION_H ) */
1276