dp_peer.c 106 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072307330743075307630773078307930803081308230833084308530863087308830893090309130923093309430953096309730983099310031013102310331043105310631073108310931103111311231133114311531163117311831193120312131223123312431253126312731283129313031313132313331343135313631373138313931403141314231433144314531463147314831493150315131523153315431553156315731583159316031613162316331643165316631673168316931703171317231733174317531763177317831793180318131823183318431853186318731883189319031913192319331943195319631973198319932003201320232033204320532063207320832093210321132123213321432153216321732183219322032213222322332243225322632273228322932303231323232333234323532363237323832393240324132423243324432453246324732483249325032513252325332543255325632573258325932603261326232633264326532663267326832693270327132723273327432753276327732783279328032813282328332843285328632873288328932903291329232933294329532963297329832993300330133023303330433053306330733083309331033113312331333143315331633173318331933203321332233233324332533263327332833293330333133323333333433353336333733383339334033413342334333443345334633473348334933503351335233533354335533563357335833593360336133623363336433653366336733683369337033713372337333743375337633773378337933803381338233833384338533863387338833893390339133923393339433953396339733983399340034013402340334043405340634073408340934103411341234133414341534163417341834193420342134223423342434253426342734283429343034313432343334343435343634373438343934403441344234433444344534463447344834493450345134523453345434553456345734583459346034613462346334643465346634673468346934703471347234733474347534763477347834793480348134823483348434853486348734883489349034913492349334943495349634973498349935003501350235033504350535063507350835093510351135123513351435153516351735183519352035213522352335243525352635273528352935303531353235333534353535363537353835393540354135423543354435453546354735483549355035513552355335543555355635573558355935603561356235633564356535663567356835693570357135723573357435753576357735783579358035813582358335843585358635873588358935903591359235933594359535963597359835993600360136023603360436053606360736083609361036113612361336143615361636173618361936203621362236233624362536263627362836293630363136323633363436353636363736383639364036413642364336443645364636473648364936503651365236533654365536563657365836593660366136623663366436653666366736683669367036713672367336743675367636773678367936803681368236833684368536863687368836893690369136923693369436953696369736983699370037013702370337043705370637073708370937103711371237133714371537163717371837193720372137223723372437253726372737283729373037313732373337343735373637373738373937403741374237433744374537463747374837493750375137523753375437553756375737583759376037613762376337643765376637673768376937703771377237733774377537763777377837793780378137823783378437853786378737883789379037913792379337943795379637973798379938003801380238033804380538063807380838093810381138123813381438153816381738183819382038213822382338243825382638273828382938303831383238333834383538363837383838393840384138423843384438453846384738483849385038513852385338543855385638573858385938603861386238633864386538663867386838693870387138723873387438753876387738783879388038813882388338843885388638873888388938903891389238933894389538963897389838993900390139023903390439053906390739083909391039113912391339143915391639173918391939203921392239233924392539263927392839293930393139323933393439353936393739383939394039413942394339443945394639473948394939503951395239533954395539563957395839593960396139623963396439653966396739683969397039713972397339743975397639773978397939803981398239833984398539863987398839893990399139923993399439953996399739983999400040014002400340044005400640074008400940104011401240134014401540164017401840194020402140224023402440254026402740284029403040314032403340344035403640374038403940404041404240434044404540464047404840494050405140524053405440554056405740584059406040614062406340644065406640674068406940704071407240734074407540764077407840794080408140824083408440854086
  1. /*
  2. * Copyright (c) 2016-2021 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. #include <qdf_types.h>
  20. #include <qdf_lock.h>
  21. #include <hal_hw_headers.h>
  22. #include "dp_htt.h"
  23. #include "dp_types.h"
  24. #include "dp_internal.h"
  25. #include "dp_peer.h"
  26. #include "dp_rx_defrag.h"
  27. #include "dp_rx.h"
  28. #include <hal_api.h>
  29. #include <hal_reo.h>
  30. #include <cdp_txrx_handle.h>
  31. #include <wlan_cfg.h>
  32. #ifdef WIFI_MONITOR_SUPPORT
  33. #include <dp_mon.h>
  34. #endif
  35. #ifdef FEATURE_WDS
  36. #include "dp_txrx_wds.h"
  37. #endif
  38. #include <qdf_module.h>
  39. #ifdef QCA_PEER_EXT_STATS
  40. #include "dp_hist.h"
  41. #endif
  42. #ifdef BYPASS_OL_OPS
  43. #include <target_if_dp.h>
  44. #endif
  45. #ifdef FEATURE_AST
  46. #ifdef BYPASS_OL_OPS
  47. /**
  48. * dp_add_wds_entry_wrapper() - Add new AST entry for the wds station
  49. * @soc: DP soc structure pointer
  50. * @peer: dp peer structure
  51. * @dest_macaddr: MAC address of ast node
  52. * @flags: wds or hmwds
  53. * @type: type from enum cdp_txrx_ast_entry_type
  54. *
  55. * This API is used by WDS source port learning function to
  56. * add a new AST entry in the fw.
  57. *
  58. * Return: 0 on success, error code otherwise.
  59. */
  60. static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
  61. struct dp_peer *peer,
  62. const uint8_t *dest_macaddr,
  63. uint32_t flags,
  64. uint8_t type)
  65. {
  66. QDF_STATUS status;
  67. status = target_if_add_wds_entry(soc->ctrl_psoc,
  68. peer->vdev->vdev_id,
  69. peer->mac_addr.raw,
  70. dest_macaddr,
  71. WMI_HOST_WDS_FLAG_STATIC,
  72. type);
  73. return qdf_status_to_os_return(status);
  74. }
  75. /**
  76. * dp_update_wds_entry_wrapper() - update an existing wds entry with new peer
  77. * @soc: DP soc structure pointer
  78. * @peer: dp peer structure
  79. * @dest_macaddr: MAC address of ast node
  80. * @flags: wds or hmwds
  81. *
  82. * This API is used by update the peer mac address for the ast
  83. * in the fw.
  84. *
  85. * Return: 0 on success, error code otherwise.
  86. */
  87. static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
  88. struct dp_peer *peer,
  89. uint8_t *dest_macaddr,
  90. uint32_t flags)
  91. {
  92. QDF_STATUS status;
  93. status = target_if_update_wds_entry(soc->ctrl_psoc,
  94. peer->vdev->vdev_id,
  95. dest_macaddr,
  96. peer->mac_addr.raw,
  97. WMI_HOST_WDS_FLAG_STATIC);
  98. return qdf_status_to_os_return(status);
  99. }
  100. /**
  101. * dp_del_wds_entry_wrapper() - delete a WSD AST entry
  102. * @soc: DP soc structure pointer
  103. * @vdev_id: vdev_id
  104. * @wds_macaddr: MAC address of ast node
  105. * @type: type from enum cdp_txrx_ast_entry_type
  106. * @delete_in_fw: Flag to indicate if entry needs to be deleted in fw
  107. *
  108. * This API is used to delete an AST entry from fw
  109. *
  110. * Return: None
  111. */
  112. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  113. uint8_t vdev_id,
  114. uint8_t *wds_macaddr,
  115. uint8_t type,
  116. uint8_t delete_in_fw)
  117. {
  118. target_if_del_wds_entry(soc->ctrl_psoc, vdev_id,
  119. wds_macaddr, type, delete_in_fw);
  120. }
  121. #else
  122. static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
  123. struct dp_peer *peer,
  124. const uint8_t *dest_macaddr,
  125. uint32_t flags,
  126. uint8_t type)
  127. {
  128. int status;
  129. status = soc->cdp_soc.ol_ops->peer_add_wds_entry(
  130. soc->ctrl_psoc,
  131. peer->vdev->vdev_id,
  132. peer->mac_addr.raw,
  133. peer->peer_id,
  134. dest_macaddr,
  135. peer->mac_addr.raw,
  136. flags,
  137. type);
  138. return status;
  139. }
  140. static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
  141. struct dp_peer *peer,
  142. uint8_t *dest_macaddr,
  143. uint32_t flags)
  144. {
  145. int status;
  146. status = soc->cdp_soc.ol_ops->peer_update_wds_entry(
  147. soc->ctrl_psoc,
  148. peer->vdev->vdev_id,
  149. dest_macaddr,
  150. peer->mac_addr.raw,
  151. flags);
  152. return status;
  153. }
  154. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  155. uint8_t vdev_id,
  156. uint8_t *wds_macaddr,
  157. uint8_t type,
  158. uint8_t delete_in_fw)
  159. {
  160. soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc,
  161. vdev_id,
  162. wds_macaddr,
  163. type,
  164. delete_in_fw);
  165. }
  166. #endif /* BYPASS_OL_OPS */
  167. #else
  168. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  169. uint8_t vdev_id,
  170. uint8_t *wds_macaddr,
  171. uint8_t type,
  172. uint8_t delete_in_fw)
  173. {
  174. }
  175. #endif /* FEATURE_AST */
  176. #ifdef FEATURE_WDS
  177. static inline bool
  178. dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
  179. struct dp_ast_entry *ast_entry)
  180. {
  181. /* if peer map v2 is enabled we are not freeing ast entry
  182. * here and it is supposed to be freed in unmap event (after
  183. * we receive delete confirmation from target)
  184. *
  185. * if peer_id is invalid we did not get the peer map event
  186. * for the peer free ast entry from here only in this case
  187. */
  188. if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) &&
  189. (ast_entry->type != CDP_TXRX_AST_TYPE_SELF))
  190. return true;
  191. return false;
  192. }
  193. #else
  194. static inline bool
  195. dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
  196. struct dp_ast_entry *ast_entry)
  197. {
  198. return false;
  199. }
  200. void dp_soc_wds_attach(struct dp_soc *soc)
  201. {
  202. }
  203. void dp_soc_wds_detach(struct dp_soc *soc)
  204. {
  205. }
  206. #endif
  207. #ifdef QCA_SUPPORT_WDS_EXTENDED
  208. bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
  209. {
  210. struct dp_vdev *vdev = peer->vdev;
  211. struct dp_txrx_peer *txrx_peer;
  212. if (!vdev->wds_ext_enabled)
  213. return false;
  214. txrx_peer = dp_get_txrx_peer(peer);
  215. if (!txrx_peer)
  216. return false;
  217. if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT,
  218. &txrx_peer->wds_ext.init))
  219. return true;
  220. return false;
  221. }
  222. #else
  223. bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
  224. {
  225. return false;
  226. }
  227. #endif
  228. QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc)
  229. {
  230. uint32_t max_ast_index;
  231. max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
  232. /* allocate ast_table for ast entry to ast_index map */
  233. dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index);
  234. soc->ast_table = qdf_mem_malloc(max_ast_index *
  235. sizeof(struct dp_ast_entry *));
  236. if (!soc->ast_table) {
  237. dp_peer_err("%pK: ast_table memory allocation failed", soc);
  238. return QDF_STATUS_E_NOMEM;
  239. }
  240. return QDF_STATUS_SUCCESS; /* success */
  241. }
  242. /**
  243. * dp_find_peer_by_macaddr() - Finding the peer from mac address provided.
  244. * @soc: soc handle
  245. * @mac_addr: MAC address to be used to find peer
  246. * @vdev_id: VDEV id
  247. * @mod_id: MODULE ID
  248. *
  249. * Return: struct dp_peer
  250. */
  251. struct dp_peer *dp_find_peer_by_macaddr(struct dp_soc *soc, uint8_t *mac_addr,
  252. uint8_t vdev_id, enum dp_mod_id mod_id)
  253. {
  254. bool ast_ind_disable = wlan_cfg_get_ast_indication_disable(
  255. soc->wlan_cfg_ctx);
  256. struct cdp_peer_info peer_info = {0};
  257. if ((!soc->ast_offload_support) || (!ast_ind_disable)) {
  258. struct dp_ast_entry *ast_entry = NULL;
  259. uint16_t peer_id;
  260. qdf_spin_lock_bh(&soc->ast_lock);
  261. if (vdev_id == DP_VDEV_ALL)
  262. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  263. else
  264. ast_entry = dp_peer_ast_hash_find_by_vdevid
  265. (soc, mac_addr, vdev_id);
  266. if (!ast_entry) {
  267. qdf_spin_unlock_bh(&soc->ast_lock);
  268. dp_err("NULL ast entry");
  269. return NULL;
  270. }
  271. peer_id = ast_entry->peer_id;
  272. qdf_spin_unlock_bh(&soc->ast_lock);
  273. if (peer_id == HTT_INVALID_PEER)
  274. return NULL;
  275. return dp_peer_get_ref_by_id(soc, peer_id, mod_id);
  276. }
  277. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, mac_addr, false,
  278. CDP_WILD_PEER_TYPE);
  279. return dp_peer_hash_find_wrapper(soc, &peer_info, mod_id);
  280. }
  281. /**
  282. * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map
  283. * @soc: soc handle
  284. *
  285. * return: QDF_STATUS
  286. */
  287. static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc)
  288. {
  289. uint32_t max_peers, peer_map_size;
  290. max_peers = soc->max_peer_id;
  291. /* allocate the peer ID -> peer object map */
  292. dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers);
  293. peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]);
  294. soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size);
  295. if (!soc->peer_id_to_obj_map) {
  296. dp_peer_err("%pK: peer map memory allocation failed", soc);
  297. return QDF_STATUS_E_NOMEM;
  298. }
  299. /*
  300. * The peer_id_to_obj_map doesn't really need to be initialized,
  301. * since elements are only used after they have been individually
  302. * initialized.
  303. * However, it is convenient for debugging to have all elements
  304. * that are not in use set to 0.
  305. */
  306. qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size);
  307. qdf_spinlock_create(&soc->peer_map_lock);
  308. return QDF_STATUS_SUCCESS; /* success */
  309. }
  310. #define DP_AST_HASH_LOAD_MULT 2
  311. #define DP_AST_HASH_LOAD_SHIFT 0
  312. static inline uint32_t
  313. dp_peer_find_hash_index(struct dp_soc *soc,
  314. union dp_align_mac_addr *mac_addr)
  315. {
  316. uint32_t index;
  317. index =
  318. mac_addr->align2.bytes_ab ^
  319. mac_addr->align2.bytes_cd ^
  320. mac_addr->align2.bytes_ef;
  321. index ^= index >> soc->peer_hash.idx_bits;
  322. index &= soc->peer_hash.mask;
  323. return index;
  324. }
  325. struct dp_peer *dp_peer_find_hash_find(
  326. struct dp_soc *soc, uint8_t *peer_mac_addr,
  327. int mac_addr_is_aligned, uint8_t vdev_id,
  328. enum dp_mod_id mod_id)
  329. {
  330. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  331. uint32_t index;
  332. struct dp_peer *peer;
  333. if (!soc->peer_hash.bins)
  334. return NULL;
  335. if (mac_addr_is_aligned) {
  336. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  337. } else {
  338. qdf_mem_copy(
  339. &local_mac_addr_aligned.raw[0],
  340. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  341. mac_addr = &local_mac_addr_aligned;
  342. }
  343. index = dp_peer_find_hash_index(soc, mac_addr);
  344. qdf_spin_lock_bh(&soc->peer_hash_lock);
  345. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  346. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  347. ((peer->vdev->vdev_id == vdev_id) ||
  348. (vdev_id == DP_VDEV_ALL))) {
  349. /* take peer reference before returning */
  350. if (dp_peer_get_ref(soc, peer, mod_id) !=
  351. QDF_STATUS_SUCCESS)
  352. peer = NULL;
  353. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  354. return peer;
  355. }
  356. }
  357. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  358. return NULL; /* failure */
  359. }
  360. qdf_export_symbol(dp_peer_find_hash_find);
  361. #ifdef WLAN_FEATURE_11BE_MLO
  362. /**
  363. * dp_peer_find_hash_detach() - cleanup memory for peer_hash table
  364. * @soc: soc handle
  365. *
  366. * return: none
  367. */
  368. static void dp_peer_find_hash_detach(struct dp_soc *soc)
  369. {
  370. if (soc->peer_hash.bins) {
  371. qdf_mem_free(soc->peer_hash.bins);
  372. soc->peer_hash.bins = NULL;
  373. qdf_spinlock_destroy(&soc->peer_hash_lock);
  374. }
  375. if (soc->arch_ops.mlo_peer_find_hash_detach)
  376. soc->arch_ops.mlo_peer_find_hash_detach(soc);
  377. }
  378. /**
  379. * dp_peer_find_hash_attach() - allocate memory for peer_hash table
  380. * @soc: soc handle
  381. *
  382. * return: QDF_STATUS
  383. */
  384. static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
  385. {
  386. int i, hash_elems, log2;
  387. /* allocate the peer MAC address -> peer object hash table */
  388. hash_elems = soc->max_peers;
  389. hash_elems *= DP_PEER_HASH_LOAD_MULT;
  390. hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
  391. log2 = dp_log2_ceil(hash_elems);
  392. hash_elems = 1 << log2;
  393. soc->peer_hash.mask = hash_elems - 1;
  394. soc->peer_hash.idx_bits = log2;
  395. /* allocate an array of TAILQ peer object lists */
  396. soc->peer_hash.bins = qdf_mem_malloc(
  397. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
  398. if (!soc->peer_hash.bins)
  399. return QDF_STATUS_E_NOMEM;
  400. for (i = 0; i < hash_elems; i++)
  401. TAILQ_INIT(&soc->peer_hash.bins[i]);
  402. qdf_spinlock_create(&soc->peer_hash_lock);
  403. if (soc->arch_ops.mlo_peer_find_hash_attach &&
  404. (soc->arch_ops.mlo_peer_find_hash_attach(soc) !=
  405. QDF_STATUS_SUCCESS)) {
  406. dp_peer_find_hash_detach(soc);
  407. return QDF_STATUS_E_NOMEM;
  408. }
  409. return QDF_STATUS_SUCCESS;
  410. }
  411. void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
  412. {
  413. unsigned index;
  414. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  415. if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  416. qdf_spin_lock_bh(&soc->peer_hash_lock);
  417. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer,
  418. DP_MOD_ID_CONFIG))) {
  419. dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT,
  420. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  421. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  422. return;
  423. }
  424. /*
  425. * It is important to add the new peer at the tail of
  426. * peer list with the bin index. Together with having
  427. * the hash_find function search from head to tail,
  428. * this ensures that if two entries with the same MAC address
  429. * are stored, the one added first will be found first.
  430. */
  431. TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer,
  432. hash_list_elem);
  433. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  434. } else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
  435. if (soc->arch_ops.mlo_peer_find_hash_add)
  436. soc->arch_ops.mlo_peer_find_hash_add(soc, peer);
  437. } else {
  438. dp_err("unknown peer type %d", peer->peer_type);
  439. }
  440. }
  441. void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
  442. {
  443. unsigned index;
  444. struct dp_peer *tmppeer = NULL;
  445. int found = 0;
  446. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  447. if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  448. /* Check if tail is not empty before delete*/
  449. QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
  450. qdf_spin_lock_bh(&soc->peer_hash_lock);
  451. TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index],
  452. hash_list_elem) {
  453. if (tmppeer == peer) {
  454. found = 1;
  455. break;
  456. }
  457. }
  458. QDF_ASSERT(found);
  459. TAILQ_REMOVE(&soc->peer_hash.bins[index], peer,
  460. hash_list_elem);
  461. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  462. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  463. } else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
  464. if (soc->arch_ops.mlo_peer_find_hash_remove)
  465. soc->arch_ops.mlo_peer_find_hash_remove(soc, peer);
  466. } else {
  467. dp_err("unknown peer type %d", peer->peer_type);
  468. }
  469. }
  470. #else
  471. static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
  472. {
  473. int i, hash_elems, log2;
  474. /* allocate the peer MAC address -> peer object hash table */
  475. hash_elems = soc->max_peers;
  476. hash_elems *= DP_PEER_HASH_LOAD_MULT;
  477. hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
  478. log2 = dp_log2_ceil(hash_elems);
  479. hash_elems = 1 << log2;
  480. soc->peer_hash.mask = hash_elems - 1;
  481. soc->peer_hash.idx_bits = log2;
  482. /* allocate an array of TAILQ peer object lists */
  483. soc->peer_hash.bins = qdf_mem_malloc(
  484. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
  485. if (!soc->peer_hash.bins)
  486. return QDF_STATUS_E_NOMEM;
  487. for (i = 0; i < hash_elems; i++)
  488. TAILQ_INIT(&soc->peer_hash.bins[i]);
  489. qdf_spinlock_create(&soc->peer_hash_lock);
  490. return QDF_STATUS_SUCCESS;
  491. }
  492. static void dp_peer_find_hash_detach(struct dp_soc *soc)
  493. {
  494. if (soc->peer_hash.bins) {
  495. qdf_mem_free(soc->peer_hash.bins);
  496. soc->peer_hash.bins = NULL;
  497. qdf_spinlock_destroy(&soc->peer_hash_lock);
  498. }
  499. }
  500. void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
  501. {
  502. unsigned index;
  503. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  504. qdf_spin_lock_bh(&soc->peer_hash_lock);
  505. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  506. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
  507. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  508. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  509. return;
  510. }
  511. /*
  512. * It is important to add the new peer at the tail of the peer list
  513. * with the bin index. Together with having the hash_find function
  514. * search from head to tail, this ensures that if two entries with
  515. * the same MAC address are stored, the one added first will be
  516. * found first.
  517. */
  518. TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem);
  519. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  520. }
  521. void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
  522. {
  523. unsigned index;
  524. struct dp_peer *tmppeer = NULL;
  525. int found = 0;
  526. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  527. /* Check if tail is not empty before delete*/
  528. QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
  529. qdf_spin_lock_bh(&soc->peer_hash_lock);
  530. TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) {
  531. if (tmppeer == peer) {
  532. found = 1;
  533. break;
  534. }
  535. }
  536. QDF_ASSERT(found);
  537. TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem);
  538. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  539. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  540. }
  541. #endif/* WLAN_FEATURE_11BE_MLO */
  542. void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev,
  543. struct dp_peer *peer)
  544. {
  545. /* only link peer will be added to vdev peer list */
  546. if (IS_MLO_DP_MLD_PEER(peer))
  547. return;
  548. qdf_spin_lock_bh(&vdev->peer_list_lock);
  549. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  550. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
  551. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  552. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  553. return;
  554. }
  555. /* add this peer into the vdev's list */
  556. if (wlan_op_mode_sta == vdev->opmode)
  557. TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem);
  558. else
  559. TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem);
  560. vdev->num_peers++;
  561. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  562. }
  563. void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev,
  564. struct dp_peer *peer)
  565. {
  566. uint8_t found = 0;
  567. struct dp_peer *tmppeer = NULL;
  568. /* only link peer will be added to vdev peer list */
  569. if (IS_MLO_DP_MLD_PEER(peer))
  570. return;
  571. qdf_spin_lock_bh(&vdev->peer_list_lock);
  572. TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) {
  573. if (tmppeer == peer) {
  574. found = 1;
  575. break;
  576. }
  577. }
  578. if (found) {
  579. TAILQ_REMOVE(&peer->vdev->peer_list, peer,
  580. peer_list_elem);
  581. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  582. vdev->num_peers--;
  583. } else {
  584. /*Ignoring the remove operation as peer not found*/
  585. dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK"
  586. , soc, peer, vdev, &peer->vdev->peer_list);
  587. }
  588. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  589. }
  590. void dp_txrx_peer_attach_add(struct dp_soc *soc,
  591. struct dp_peer *peer,
  592. struct dp_txrx_peer *txrx_peer)
  593. {
  594. qdf_spin_lock_bh(&soc->peer_map_lock);
  595. peer->txrx_peer = txrx_peer;
  596. txrx_peer->bss_peer = peer->bss_peer;
  597. if (peer->peer_id == HTT_INVALID_PEER) {
  598. qdf_spin_unlock_bh(&soc->peer_map_lock);
  599. return;
  600. }
  601. txrx_peer->peer_id = peer->peer_id;
  602. QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]);
  603. qdf_spin_unlock_bh(&soc->peer_map_lock);
  604. }
  605. void dp_peer_find_id_to_obj_add(struct dp_soc *soc,
  606. struct dp_peer *peer,
  607. uint16_t peer_id)
  608. {
  609. QDF_ASSERT(peer_id <= soc->max_peer_id);
  610. qdf_spin_lock_bh(&soc->peer_map_lock);
  611. peer->peer_id = peer_id;
  612. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  613. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u",
  614. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id);
  615. qdf_spin_unlock_bh(&soc->peer_map_lock);
  616. return;
  617. }
  618. if (!soc->peer_id_to_obj_map[peer_id]) {
  619. soc->peer_id_to_obj_map[peer_id] = peer;
  620. if (peer->txrx_peer)
  621. peer->txrx_peer->peer_id = peer_id;
  622. } else {
  623. /* Peer map event came for peer_id which
  624. * is already mapped, this is not expected
  625. */
  626. dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped to peer %pK",
  627. peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id,
  628. soc->peer_id_to_obj_map[peer_id]);
  629. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  630. qdf_assert_always(0);
  631. }
  632. qdf_spin_unlock_bh(&soc->peer_map_lock);
  633. }
  634. void dp_peer_find_id_to_obj_remove(struct dp_soc *soc,
  635. uint16_t peer_id)
  636. {
  637. struct dp_peer *peer = NULL;
  638. QDF_ASSERT(peer_id <= soc->max_peer_id);
  639. qdf_spin_lock_bh(&soc->peer_map_lock);
  640. peer = soc->peer_id_to_obj_map[peer_id];
  641. if (!peer) {
  642. dp_err("unable to get peer during peer id obj map remove");
  643. qdf_spin_unlock_bh(&soc->peer_map_lock);
  644. return;
  645. }
  646. peer->peer_id = HTT_INVALID_PEER;
  647. if (peer->txrx_peer)
  648. peer->txrx_peer->peer_id = HTT_INVALID_PEER;
  649. soc->peer_id_to_obj_map[peer_id] = NULL;
  650. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  651. qdf_spin_unlock_bh(&soc->peer_map_lock);
  652. }
  653. #ifdef FEATURE_MEC
  654. QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
  655. {
  656. int log2, hash_elems, i;
  657. log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX);
  658. hash_elems = 1 << log2;
  659. soc->mec_hash.mask = hash_elems - 1;
  660. soc->mec_hash.idx_bits = log2;
  661. dp_peer_info("%pK: max mec index: %d",
  662. soc, DP_PEER_MAX_MEC_IDX);
  663. /* allocate an array of TAILQ mec object lists */
  664. soc->mec_hash.bins = qdf_mem_malloc(hash_elems *
  665. sizeof(TAILQ_HEAD(anonymous_tail_q,
  666. dp_mec_entry)));
  667. if (!soc->mec_hash.bins)
  668. return QDF_STATUS_E_NOMEM;
  669. for (i = 0; i < hash_elems; i++)
  670. TAILQ_INIT(&soc->mec_hash.bins[i]);
  671. return QDF_STATUS_SUCCESS;
  672. }
  673. /**
  674. * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address
  675. * @soc: SoC handle
  676. * @mac_addr: MAC address
  677. *
  678. * Return: MEC hash
  679. */
  680. static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc,
  681. union dp_align_mac_addr *mac_addr)
  682. {
  683. uint32_t index;
  684. index =
  685. mac_addr->align2.bytes_ab ^
  686. mac_addr->align2.bytes_cd ^
  687. mac_addr->align2.bytes_ef;
  688. index ^= index >> soc->mec_hash.idx_bits;
  689. index &= soc->mec_hash.mask;
  690. return index;
  691. }
  692. struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc,
  693. uint8_t pdev_id,
  694. uint8_t *mec_mac_addr)
  695. {
  696. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  697. uint32_t index;
  698. struct dp_mec_entry *mecentry;
  699. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  700. mec_mac_addr, QDF_MAC_ADDR_SIZE);
  701. mac_addr = &local_mac_addr_aligned;
  702. index = dp_peer_mec_hash_index(soc, mac_addr);
  703. TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) {
  704. if ((pdev_id == mecentry->pdev_id) &&
  705. !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr))
  706. return mecentry;
  707. }
  708. return NULL;
  709. }
  710. /**
  711. * dp_peer_mec_hash_add() - Add MEC entry into hash table
  712. * @soc: SoC handle
  713. * @mecentry: MEC entry
  714. *
  715. * This function adds the MEC entry into SoC MEC hash table
  716. *
  717. * Return: None
  718. */
  719. static inline void dp_peer_mec_hash_add(struct dp_soc *soc,
  720. struct dp_mec_entry *mecentry)
  721. {
  722. uint32_t index;
  723. index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
  724. qdf_spin_lock_bh(&soc->mec_lock);
  725. TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem);
  726. qdf_spin_unlock_bh(&soc->mec_lock);
  727. }
  728. QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc,
  729. struct dp_vdev *vdev,
  730. uint8_t *mac_addr)
  731. {
  732. struct dp_mec_entry *mecentry = NULL;
  733. struct dp_pdev *pdev = NULL;
  734. if (!vdev) {
  735. dp_peer_err("%pK: Peers vdev is NULL", soc);
  736. return QDF_STATUS_E_INVAL;
  737. }
  738. pdev = vdev->pdev;
  739. if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >=
  740. DP_PEER_MAX_MEC_ENTRY)) {
  741. dp_peer_warn("%pK: max MEC entry limit reached mac_addr: "
  742. QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr));
  743. return QDF_STATUS_E_NOMEM;
  744. }
  745. qdf_spin_lock_bh(&soc->mec_lock);
  746. mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id,
  747. mac_addr);
  748. if (qdf_likely(mecentry)) {
  749. mecentry->is_active = TRUE;
  750. qdf_spin_unlock_bh(&soc->mec_lock);
  751. return QDF_STATUS_E_ALREADY;
  752. }
  753. qdf_spin_unlock_bh(&soc->mec_lock);
  754. dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: "
  755. QDF_MAC_ADDR_FMT,
  756. soc, pdev->pdev_id, vdev->vdev_id,
  757. QDF_MAC_ADDR_REF(mac_addr));
  758. mecentry = (struct dp_mec_entry *)
  759. qdf_mem_malloc(sizeof(struct dp_mec_entry));
  760. if (qdf_unlikely(!mecentry)) {
  761. dp_peer_err("%pK: fail to allocate mecentry", soc);
  762. return QDF_STATUS_E_NOMEM;
  763. }
  764. qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0],
  765. (struct qdf_mac_addr *)mac_addr);
  766. mecentry->pdev_id = pdev->pdev_id;
  767. mecentry->vdev_id = vdev->vdev_id;
  768. mecentry->is_active = TRUE;
  769. dp_peer_mec_hash_add(soc, mecentry);
  770. qdf_atomic_inc(&soc->mec_cnt);
  771. DP_STATS_INC(soc, mec.added, 1);
  772. return QDF_STATUS_SUCCESS;
  773. }
  774. void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry,
  775. void *ptr)
  776. {
  777. uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
  778. TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
  779. TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry,
  780. hash_list_elem);
  781. TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem);
  782. }
  783. void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr)
  784. {
  785. struct dp_mec_entry *mecentry, *mecentry_next;
  786. TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
  787. TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem,
  788. mecentry_next) {
  789. dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT,
  790. soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr));
  791. qdf_mem_free(mecentry);
  792. qdf_atomic_dec(&soc->mec_cnt);
  793. DP_STATS_INC(soc, mec.deleted, 1);
  794. }
  795. }
  796. void dp_peer_mec_hash_detach(struct dp_soc *soc)
  797. {
  798. dp_peer_mec_flush_entries(soc);
  799. qdf_mem_free(soc->mec_hash.bins);
  800. soc->mec_hash.bins = NULL;
  801. }
  802. void dp_peer_mec_spinlock_destroy(struct dp_soc *soc)
  803. {
  804. qdf_spinlock_destroy(&soc->mec_lock);
  805. }
  806. void dp_peer_mec_spinlock_create(struct dp_soc *soc)
  807. {
  808. qdf_spinlock_create(&soc->mec_lock);
  809. }
  810. #else
  811. QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
  812. {
  813. return QDF_STATUS_SUCCESS;
  814. }
  815. void dp_peer_mec_hash_detach(struct dp_soc *soc)
  816. {
  817. }
  818. #endif
  819. #ifdef FEATURE_AST
  820. #ifdef WLAN_FEATURE_11BE_MLO
  821. /**
  822. * dp_peer_exist_on_pdev() - check if peer with mac address exist on pdev
  823. *
  824. * @soc: Datapath SOC handle
  825. * @peer_mac_addr: peer mac address
  826. * @mac_addr_is_aligned: is mac address aligned
  827. * @pdev: Datapath PDEV handle
  828. *
  829. * Return: true if peer found else return false
  830. */
  831. static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
  832. uint8_t *peer_mac_addr,
  833. int mac_addr_is_aligned,
  834. struct dp_pdev *pdev)
  835. {
  836. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  837. unsigned int index;
  838. struct dp_peer *peer;
  839. bool found = false;
  840. if (mac_addr_is_aligned) {
  841. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  842. } else {
  843. qdf_mem_copy(
  844. &local_mac_addr_aligned.raw[0],
  845. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  846. mac_addr = &local_mac_addr_aligned;
  847. }
  848. index = dp_peer_find_hash_index(soc, mac_addr);
  849. qdf_spin_lock_bh(&soc->peer_hash_lock);
  850. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  851. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  852. (peer->vdev->pdev == pdev)) {
  853. found = true;
  854. break;
  855. }
  856. }
  857. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  858. if (found)
  859. return found;
  860. peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr,
  861. mac_addr_is_aligned, DP_VDEV_ALL,
  862. DP_MOD_ID_CDP);
  863. if (peer) {
  864. if (peer->vdev->pdev == pdev)
  865. found = true;
  866. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  867. }
  868. return found;
  869. }
  870. #else
  871. static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
  872. uint8_t *peer_mac_addr,
  873. int mac_addr_is_aligned,
  874. struct dp_pdev *pdev)
  875. {
  876. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  877. unsigned int index;
  878. struct dp_peer *peer;
  879. bool found = false;
  880. if (mac_addr_is_aligned) {
  881. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  882. } else {
  883. qdf_mem_copy(
  884. &local_mac_addr_aligned.raw[0],
  885. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  886. mac_addr = &local_mac_addr_aligned;
  887. }
  888. index = dp_peer_find_hash_index(soc, mac_addr);
  889. qdf_spin_lock_bh(&soc->peer_hash_lock);
  890. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  891. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  892. (peer->vdev->pdev == pdev)) {
  893. found = true;
  894. break;
  895. }
  896. }
  897. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  898. return found;
  899. }
  900. #endif /* WLAN_FEATURE_11BE_MLO */
  901. QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
  902. {
  903. int i, hash_elems, log2;
  904. unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
  905. hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >>
  906. DP_AST_HASH_LOAD_SHIFT);
  907. log2 = dp_log2_ceil(hash_elems);
  908. hash_elems = 1 << log2;
  909. soc->ast_hash.mask = hash_elems - 1;
  910. soc->ast_hash.idx_bits = log2;
  911. dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d",
  912. soc, hash_elems, max_ast_idx);
  913. /* allocate an array of TAILQ peer object lists */
  914. soc->ast_hash.bins = qdf_mem_malloc(
  915. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q,
  916. dp_ast_entry)));
  917. if (!soc->ast_hash.bins)
  918. return QDF_STATUS_E_NOMEM;
  919. for (i = 0; i < hash_elems; i++)
  920. TAILQ_INIT(&soc->ast_hash.bins[i]);
  921. return QDF_STATUS_SUCCESS;
  922. }
  923. /**
  924. * dp_peer_ast_cleanup() - cleanup the references
  925. * @soc: SoC handle
  926. * @ast: ast entry
  927. *
  928. * Return: None
  929. */
  930. static inline void dp_peer_ast_cleanup(struct dp_soc *soc,
  931. struct dp_ast_entry *ast)
  932. {
  933. txrx_ast_free_cb cb = ast->callback;
  934. void *cookie = ast->cookie;
  935. dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK",
  936. QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie);
  937. /* Call the callbacks to free up the cookie */
  938. if (cb) {
  939. ast->callback = NULL;
  940. ast->cookie = NULL;
  941. cb(soc->ctrl_psoc,
  942. dp_soc_to_cdp_soc(soc),
  943. cookie,
  944. CDP_TXRX_AST_DELETE_IN_PROGRESS);
  945. }
  946. }
  947. void dp_peer_ast_hash_detach(struct dp_soc *soc)
  948. {
  949. unsigned int index;
  950. struct dp_ast_entry *ast, *ast_next;
  951. if (!soc->ast_hash.mask)
  952. return;
  953. if (!soc->ast_hash.bins)
  954. return;
  955. dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries);
  956. qdf_spin_lock_bh(&soc->ast_lock);
  957. for (index = 0; index <= soc->ast_hash.mask; index++) {
  958. if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) {
  959. TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index],
  960. hash_list_elem, ast_next) {
  961. TAILQ_REMOVE(&soc->ast_hash.bins[index], ast,
  962. hash_list_elem);
  963. dp_peer_ast_cleanup(soc, ast);
  964. soc->num_ast_entries--;
  965. qdf_mem_free(ast);
  966. }
  967. }
  968. }
  969. qdf_spin_unlock_bh(&soc->ast_lock);
  970. qdf_mem_free(soc->ast_hash.bins);
  971. soc->ast_hash.bins = NULL;
  972. }
  973. /**
  974. * dp_peer_ast_hash_index() - Compute the AST hash from MAC address
  975. * @soc: SoC handle
  976. * @mac_addr: MAC address
  977. *
  978. * Return: AST hash
  979. */
  980. static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc,
  981. union dp_align_mac_addr *mac_addr)
  982. {
  983. uint32_t index;
  984. index =
  985. mac_addr->align2.bytes_ab ^
  986. mac_addr->align2.bytes_cd ^
  987. mac_addr->align2.bytes_ef;
  988. index ^= index >> soc->ast_hash.idx_bits;
  989. index &= soc->ast_hash.mask;
  990. return index;
  991. }
  992. /**
  993. * dp_peer_ast_hash_add() - Add AST entry into hash table
  994. * @soc: SoC handle
  995. * @ase: AST entry
  996. *
  997. * This function adds the AST entry into SoC AST hash table
  998. * It assumes caller has taken the ast lock to protect the access to this table
  999. *
  1000. * Return: None
  1001. */
  1002. static inline void dp_peer_ast_hash_add(struct dp_soc *soc,
  1003. struct dp_ast_entry *ase)
  1004. {
  1005. uint32_t index;
  1006. index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
  1007. TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem);
  1008. }
  1009. void dp_peer_ast_hash_remove(struct dp_soc *soc,
  1010. struct dp_ast_entry *ase)
  1011. {
  1012. unsigned index;
  1013. struct dp_ast_entry *tmpase;
  1014. int found = 0;
  1015. if (soc->ast_offload_support && !soc->host_ast_db_enable)
  1016. return;
  1017. index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
  1018. /* Check if tail is not empty before delete*/
  1019. QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index]));
  1020. dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1021. ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw));
  1022. TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) {
  1023. if (tmpase == ase) {
  1024. found = 1;
  1025. break;
  1026. }
  1027. }
  1028. QDF_ASSERT(found);
  1029. if (found)
  1030. TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem);
  1031. }
  1032. struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
  1033. uint8_t *ast_mac_addr,
  1034. uint8_t vdev_id)
  1035. {
  1036. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1037. uint32_t index;
  1038. struct dp_ast_entry *ase;
  1039. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1040. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1041. mac_addr = &local_mac_addr_aligned;
  1042. index = dp_peer_ast_hash_index(soc, mac_addr);
  1043. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1044. if ((vdev_id == ase->vdev_id) &&
  1045. !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
  1046. return ase;
  1047. }
  1048. }
  1049. return NULL;
  1050. }
  1051. struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
  1052. uint8_t *ast_mac_addr,
  1053. uint8_t pdev_id)
  1054. {
  1055. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1056. uint32_t index;
  1057. struct dp_ast_entry *ase;
  1058. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1059. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1060. mac_addr = &local_mac_addr_aligned;
  1061. index = dp_peer_ast_hash_index(soc, mac_addr);
  1062. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1063. if ((pdev_id == ase->pdev_id) &&
  1064. !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
  1065. return ase;
  1066. }
  1067. }
  1068. return NULL;
  1069. }
  1070. struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
  1071. uint8_t *ast_mac_addr)
  1072. {
  1073. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1074. unsigned index;
  1075. struct dp_ast_entry *ase;
  1076. if (!soc->ast_hash.bins)
  1077. return NULL;
  1078. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1079. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1080. mac_addr = &local_mac_addr_aligned;
  1081. index = dp_peer_ast_hash_index(soc, mac_addr);
  1082. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1083. if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) {
  1084. return ase;
  1085. }
  1086. }
  1087. return NULL;
  1088. }
  1089. /**
  1090. * dp_peer_map_ipa_evt() - Send peer map event to IPA
  1091. * @soc: SoC handle
  1092. * @peer: peer to which ast node belongs
  1093. * @ast_entry: AST entry
  1094. * @mac_addr: MAC address of ast node
  1095. *
  1096. * Return: None
  1097. */
  1098. #if defined(IPA_OFFLOAD) && defined(QCA_IPA_LL_TX_FLOW_CONTROL)
  1099. static inline
  1100. void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
  1101. struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
  1102. {
  1103. if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) {
  1104. if (soc->cdp_soc.ol_ops->peer_map_event) {
  1105. soc->cdp_soc.ol_ops->peer_map_event(
  1106. soc->ctrl_psoc, ast_entry->peer_id,
  1107. ast_entry->ast_idx, ast_entry->vdev_id,
  1108. mac_addr, ast_entry->type, ast_entry->ast_hash_value);
  1109. }
  1110. } else {
  1111. dp_peer_info("%pK: AST entry not found", soc);
  1112. }
  1113. }
  1114. /**
  1115. * dp_peer_unmap_ipa_evt() - Send peer unmap event to IPA
  1116. * @soc: SoC handle
  1117. * @peer_id: Peerid
  1118. * @vdev_id: Vdev id
  1119. * @mac_addr: Peer mac address
  1120. *
  1121. * Return: None
  1122. */
  1123. static inline
  1124. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1125. uint8_t vdev_id, uint8_t *mac_addr)
  1126. {
  1127. if (soc->cdp_soc.ol_ops->peer_unmap_event) {
  1128. soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
  1129. peer_id, vdev_id,
  1130. mac_addr);
  1131. }
  1132. }
  1133. #else
  1134. static inline
  1135. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1136. uint8_t vdev_id, uint8_t *mac_addr)
  1137. {
  1138. }
  1139. static inline
  1140. void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
  1141. struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
  1142. {
  1143. }
  1144. #endif
  1145. QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
  1146. uint8_t *mac_addr, uint16_t hw_peer_id,
  1147. uint8_t vdev_id, uint16_t ast_hash,
  1148. uint8_t is_wds)
  1149. {
  1150. struct dp_vdev *vdev;
  1151. struct dp_ast_entry *ast_entry;
  1152. enum cdp_txrx_ast_entry_type type;
  1153. struct dp_peer *peer;
  1154. struct dp_peer *old_peer;
  1155. QDF_STATUS status = QDF_STATUS_SUCCESS;
  1156. if (is_wds)
  1157. type = CDP_TXRX_AST_TYPE_WDS;
  1158. else
  1159. type = CDP_TXRX_AST_TYPE_STATIC;
  1160. peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  1161. if (!peer) {
  1162. dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
  1163. soc, peer_id,
  1164. QDF_MAC_ADDR_REF(mac_addr), vdev_id);
  1165. return QDF_STATUS_E_INVAL;
  1166. }
  1167. if (!is_wds && IS_MLO_DP_MLD_PEER(peer))
  1168. type = CDP_TXRX_AST_TYPE_MLD;
  1169. vdev = peer->vdev;
  1170. if (!vdev) {
  1171. dp_peer_err("%pK: Peers vdev is NULL", soc);
  1172. status = QDF_STATUS_E_INVAL;
  1173. goto fail;
  1174. }
  1175. if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
  1176. if (type != CDP_TXRX_AST_TYPE_STATIC &&
  1177. type != CDP_TXRX_AST_TYPE_MLD &&
  1178. type != CDP_TXRX_AST_TYPE_SELF) {
  1179. status = QDF_STATUS_E_BUSY;
  1180. goto fail;
  1181. }
  1182. }
  1183. dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
  1184. soc, vdev->vdev_id, type,
  1185. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
  1186. QDF_MAC_ADDR_REF(mac_addr));
  1187. /*
  1188. * In MLO scenario, there is possibility for same mac address
  1189. * on both link mac address and MLD mac address.
  1190. * Duplicate AST map needs to be handled for non-mld type.
  1191. */
  1192. qdf_spin_lock_bh(&soc->ast_lock);
  1193. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  1194. if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) {
  1195. dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  1196. hw_peer_id, vdev_id,
  1197. QDF_MAC_ADDR_REF(mac_addr));
  1198. old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1199. DP_MOD_ID_AST);
  1200. if (!old_peer) {
  1201. dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
  1202. soc, ast_entry->peer_id,
  1203. QDF_MAC_ADDR_REF(mac_addr), vdev_id);
  1204. qdf_spin_unlock_bh(&soc->ast_lock);
  1205. status = QDF_STATUS_E_INVAL;
  1206. goto fail;
  1207. }
  1208. dp_peer_unlink_ast_entry(soc, ast_entry, old_peer);
  1209. dp_peer_free_ast_entry(soc, ast_entry);
  1210. if (old_peer)
  1211. dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
  1212. }
  1213. ast_entry = (struct dp_ast_entry *)
  1214. qdf_mem_malloc(sizeof(struct dp_ast_entry));
  1215. if (!ast_entry) {
  1216. dp_peer_err("%pK: fail to allocate ast_entry", soc);
  1217. qdf_spin_unlock_bh(&soc->ast_lock);
  1218. QDF_ASSERT(0);
  1219. status = QDF_STATUS_E_NOMEM;
  1220. goto fail;
  1221. }
  1222. qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
  1223. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1224. ast_entry->is_mapped = false;
  1225. ast_entry->delete_in_progress = false;
  1226. ast_entry->next_hop = 0;
  1227. ast_entry->vdev_id = vdev->vdev_id;
  1228. ast_entry->type = type;
  1229. switch (type) {
  1230. case CDP_TXRX_AST_TYPE_STATIC:
  1231. if (peer->vdev->opmode == wlan_op_mode_sta)
  1232. ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
  1233. break;
  1234. case CDP_TXRX_AST_TYPE_WDS:
  1235. ast_entry->next_hop = 1;
  1236. break;
  1237. case CDP_TXRX_AST_TYPE_MLD:
  1238. break;
  1239. default:
  1240. dp_peer_alert("%pK: Incorrect AST entry type", soc);
  1241. }
  1242. ast_entry->is_active = TRUE;
  1243. DP_STATS_INC(soc, ast.added, 1);
  1244. soc->num_ast_entries++;
  1245. dp_peer_ast_hash_add(soc, ast_entry);
  1246. ast_entry->ast_idx = hw_peer_id;
  1247. ast_entry->ast_hash_value = ast_hash;
  1248. ast_entry->peer_id = peer_id;
  1249. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1250. ase_list_elem);
  1251. dp_peer_map_ipa_evt(soc, peer, ast_entry, mac_addr);
  1252. qdf_spin_unlock_bh(&soc->ast_lock);
  1253. fail:
  1254. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  1255. return status;
  1256. }
  1257. /**
  1258. * dp_peer_map_ast() - Map the ast entry with HW AST Index
  1259. * @soc: SoC handle
  1260. * @peer: peer to which ast node belongs
  1261. * @mac_addr: MAC address of ast node
  1262. * @hw_peer_id: HW AST Index returned by target in peer map event
  1263. * @vdev_id: vdev id for VAP to which the peer belongs to
  1264. * @ast_hash: ast hash value in HW
  1265. * @is_wds: flag to indicate peer map event for WDS ast entry
  1266. *
  1267. * Return: QDF_STATUS code
  1268. */
  1269. static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
  1270. struct dp_peer *peer,
  1271. uint8_t *mac_addr,
  1272. uint16_t hw_peer_id,
  1273. uint8_t vdev_id,
  1274. uint16_t ast_hash,
  1275. uint8_t is_wds)
  1276. {
  1277. struct dp_ast_entry *ast_entry = NULL;
  1278. enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC;
  1279. void *cookie = NULL;
  1280. txrx_ast_free_cb cb = NULL;
  1281. QDF_STATUS err = QDF_STATUS_SUCCESS;
  1282. if (soc->ast_offload_support)
  1283. return QDF_STATUS_SUCCESS;
  1284. if (!peer) {
  1285. return QDF_STATUS_E_INVAL;
  1286. }
  1287. dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  1288. soc, peer, hw_peer_id, vdev_id,
  1289. QDF_MAC_ADDR_REF(mac_addr));
  1290. qdf_spin_lock_bh(&soc->ast_lock);
  1291. ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
  1292. if (is_wds) {
  1293. /*
  1294. * In certain cases like Auth attack on a repeater
  1295. * can result in the number of ast_entries falling
  1296. * in the same hash bucket to exceed the max_skid
  1297. * length supported by HW in root AP. In these cases
  1298. * the FW will return the hw_peer_id (ast_index) as
  1299. * 0xffff indicating HW could not add the entry in
  1300. * its table. Host has to delete the entry from its
  1301. * table in these cases.
  1302. */
  1303. if (hw_peer_id == HTT_INVALID_PEER) {
  1304. DP_STATS_INC(soc, ast.map_err, 1);
  1305. if (ast_entry) {
  1306. if (ast_entry->is_mapped) {
  1307. soc->ast_table[ast_entry->ast_idx] =
  1308. NULL;
  1309. }
  1310. cb = ast_entry->callback;
  1311. cookie = ast_entry->cookie;
  1312. peer_type = ast_entry->type;
  1313. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1314. dp_peer_free_ast_entry(soc, ast_entry);
  1315. qdf_spin_unlock_bh(&soc->ast_lock);
  1316. if (cb) {
  1317. cb(soc->ctrl_psoc,
  1318. dp_soc_to_cdp_soc(soc),
  1319. cookie,
  1320. CDP_TXRX_AST_DELETED);
  1321. }
  1322. } else {
  1323. qdf_spin_unlock_bh(&soc->ast_lock);
  1324. dp_peer_alert("AST entry not found with peer %pK peer_id %u peer_mac " QDF_MAC_ADDR_FMT " mac_addr " QDF_MAC_ADDR_FMT " vdev_id %u next_hop %u",
  1325. peer, peer->peer_id,
  1326. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  1327. QDF_MAC_ADDR_REF(mac_addr),
  1328. vdev_id, is_wds);
  1329. }
  1330. err = QDF_STATUS_E_INVAL;
  1331. dp_hmwds_ast_add_notify(peer, mac_addr,
  1332. peer_type, err, true);
  1333. return err;
  1334. }
  1335. }
  1336. if (ast_entry) {
  1337. ast_entry->ast_idx = hw_peer_id;
  1338. soc->ast_table[hw_peer_id] = ast_entry;
  1339. ast_entry->is_active = TRUE;
  1340. peer_type = ast_entry->type;
  1341. ast_entry->ast_hash_value = ast_hash;
  1342. ast_entry->is_mapped = TRUE;
  1343. qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER);
  1344. ast_entry->peer_id = peer->peer_id;
  1345. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1346. ase_list_elem);
  1347. }
  1348. if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) {
  1349. if (soc->cdp_soc.ol_ops->peer_map_event) {
  1350. soc->cdp_soc.ol_ops->peer_map_event(
  1351. soc->ctrl_psoc, peer->peer_id,
  1352. hw_peer_id, vdev_id,
  1353. mac_addr, peer_type, ast_hash);
  1354. }
  1355. } else {
  1356. dp_peer_err("%pK: AST entry not found", soc);
  1357. err = QDF_STATUS_E_NOENT;
  1358. }
  1359. qdf_spin_unlock_bh(&soc->ast_lock);
  1360. dp_hmwds_ast_add_notify(peer, mac_addr,
  1361. peer_type, err, true);
  1362. return err;
  1363. }
  1364. void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
  1365. struct cdp_soc *dp_soc,
  1366. void *cookie,
  1367. enum cdp_ast_free_status status)
  1368. {
  1369. struct dp_ast_free_cb_params *param =
  1370. (struct dp_ast_free_cb_params *)cookie;
  1371. struct dp_soc *soc = (struct dp_soc *)dp_soc;
  1372. struct dp_peer *peer = NULL;
  1373. QDF_STATUS err = QDF_STATUS_SUCCESS;
  1374. if (status != CDP_TXRX_AST_DELETED) {
  1375. qdf_mem_free(cookie);
  1376. return;
  1377. }
  1378. peer = dp_peer_find_hash_find(soc, &param->peer_mac_addr.raw[0],
  1379. 0, param->vdev_id, DP_MOD_ID_AST);
  1380. if (peer) {
  1381. err = dp_peer_add_ast(soc, peer,
  1382. &param->mac_addr.raw[0],
  1383. param->type,
  1384. param->flags);
  1385. dp_hmwds_ast_add_notify(peer, &param->mac_addr.raw[0],
  1386. param->type, err, false);
  1387. dp_peer_unref_delete(peer, DP_MOD_ID_AST);
  1388. }
  1389. qdf_mem_free(cookie);
  1390. }
  1391. QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
  1392. struct dp_peer *peer,
  1393. uint8_t *mac_addr,
  1394. enum cdp_txrx_ast_entry_type type,
  1395. uint32_t flags)
  1396. {
  1397. struct dp_ast_entry *ast_entry = NULL;
  1398. struct dp_vdev *vdev = NULL;
  1399. struct dp_pdev *pdev = NULL;
  1400. txrx_ast_free_cb cb = NULL;
  1401. void *cookie = NULL;
  1402. struct dp_peer *vap_bss_peer = NULL;
  1403. bool is_peer_found = false;
  1404. int status = 0;
  1405. if (soc->ast_offload_support)
  1406. return QDF_STATUS_E_INVAL;
  1407. vdev = peer->vdev;
  1408. if (!vdev) {
  1409. dp_peer_err("%pK: Peers vdev is NULL", soc);
  1410. QDF_ASSERT(0);
  1411. return QDF_STATUS_E_INVAL;
  1412. }
  1413. pdev = vdev->pdev;
  1414. is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev);
  1415. qdf_spin_lock_bh(&soc->ast_lock);
  1416. if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
  1417. if ((type != CDP_TXRX_AST_TYPE_STATIC) &&
  1418. (type != CDP_TXRX_AST_TYPE_SELF)) {
  1419. qdf_spin_unlock_bh(&soc->ast_lock);
  1420. return QDF_STATUS_E_BUSY;
  1421. }
  1422. }
  1423. dp_peer_debug("%pK: pdevid: %u vdev: %u ast_entry->type: %d flags: 0x%x peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
  1424. soc, pdev->pdev_id, vdev->vdev_id, type, flags,
  1425. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
  1426. QDF_MAC_ADDR_REF(mac_addr));
  1427. /* fw supports only 2 times the max_peers ast entries */
  1428. if (soc->num_ast_entries >=
  1429. wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) {
  1430. qdf_spin_unlock_bh(&soc->ast_lock);
  1431. dp_peer_err("%pK: Max ast entries reached", soc);
  1432. return QDF_STATUS_E_RESOURCES;
  1433. }
  1434. /* If AST entry already exists , just return from here
  1435. * ast entry with same mac address can exist on different radios
  1436. * if ast_override support is enabled use search by pdev in this
  1437. * case
  1438. */
  1439. if (soc->ast_override_support) {
  1440. ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr,
  1441. pdev->pdev_id);
  1442. if (ast_entry) {
  1443. qdf_spin_unlock_bh(&soc->ast_lock);
  1444. return QDF_STATUS_E_ALREADY;
  1445. }
  1446. if (is_peer_found) {
  1447. /* During WDS to static roaming, peer is added
  1448. * to the list before static AST entry create.
  1449. * So, allow AST entry for STATIC type
  1450. * even if peer is present
  1451. */
  1452. if (type != CDP_TXRX_AST_TYPE_STATIC) {
  1453. qdf_spin_unlock_bh(&soc->ast_lock);
  1454. return QDF_STATUS_E_ALREADY;
  1455. }
  1456. }
  1457. } else {
  1458. /* For HWMWDS_SEC entries can be added for same mac address
  1459. * do not check for existing entry
  1460. */
  1461. if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1462. goto add_ast_entry;
  1463. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  1464. if (ast_entry) {
  1465. if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) &&
  1466. !ast_entry->delete_in_progress) {
  1467. qdf_spin_unlock_bh(&soc->ast_lock);
  1468. return QDF_STATUS_E_ALREADY;
  1469. }
  1470. /* Add for HMWDS entry we cannot be ignored if there
  1471. * is AST entry with same mac address
  1472. *
  1473. * if ast entry exists with the requested mac address
  1474. * send a delete command and register callback which
  1475. * can take care of adding HMWDS ast entry on delete
  1476. * confirmation from target
  1477. */
  1478. if (type == CDP_TXRX_AST_TYPE_WDS_HM) {
  1479. struct dp_ast_free_cb_params *param = NULL;
  1480. if (ast_entry->type ==
  1481. CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1482. goto add_ast_entry;
  1483. /* save existing callback */
  1484. if (ast_entry->callback) {
  1485. cb = ast_entry->callback;
  1486. cookie = ast_entry->cookie;
  1487. }
  1488. param = qdf_mem_malloc(sizeof(*param));
  1489. if (!param) {
  1490. QDF_TRACE(QDF_MODULE_ID_TXRX,
  1491. QDF_TRACE_LEVEL_ERROR,
  1492. "Allocation failed");
  1493. qdf_spin_unlock_bh(&soc->ast_lock);
  1494. return QDF_STATUS_E_NOMEM;
  1495. }
  1496. qdf_mem_copy(&param->mac_addr.raw[0], mac_addr,
  1497. QDF_MAC_ADDR_SIZE);
  1498. qdf_mem_copy(&param->peer_mac_addr.raw[0],
  1499. &peer->mac_addr.raw[0],
  1500. QDF_MAC_ADDR_SIZE);
  1501. param->type = type;
  1502. param->flags = flags;
  1503. param->vdev_id = vdev->vdev_id;
  1504. ast_entry->callback = dp_peer_free_hmwds_cb;
  1505. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1506. ast_entry->type = type;
  1507. ast_entry->cookie = (void *)param;
  1508. if (!ast_entry->delete_in_progress)
  1509. dp_peer_del_ast(soc, ast_entry);
  1510. qdf_spin_unlock_bh(&soc->ast_lock);
  1511. /* Call the saved callback*/
  1512. if (cb) {
  1513. cb(soc->ctrl_psoc,
  1514. dp_soc_to_cdp_soc(soc),
  1515. cookie,
  1516. CDP_TXRX_AST_DELETE_IN_PROGRESS);
  1517. }
  1518. return QDF_STATUS_E_AGAIN;
  1519. }
  1520. qdf_spin_unlock_bh(&soc->ast_lock);
  1521. return QDF_STATUS_E_ALREADY;
  1522. }
  1523. }
  1524. add_ast_entry:
  1525. ast_entry = (struct dp_ast_entry *)
  1526. qdf_mem_malloc(sizeof(struct dp_ast_entry));
  1527. if (!ast_entry) {
  1528. qdf_spin_unlock_bh(&soc->ast_lock);
  1529. dp_peer_err("%pK: fail to allocate ast_entry", soc);
  1530. QDF_ASSERT(0);
  1531. return QDF_STATUS_E_NOMEM;
  1532. }
  1533. qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
  1534. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1535. ast_entry->is_mapped = false;
  1536. ast_entry->delete_in_progress = false;
  1537. ast_entry->peer_id = HTT_INVALID_PEER;
  1538. ast_entry->next_hop = 0;
  1539. ast_entry->vdev_id = vdev->vdev_id;
  1540. switch (type) {
  1541. case CDP_TXRX_AST_TYPE_STATIC:
  1542. peer->self_ast_entry = ast_entry;
  1543. ast_entry->type = CDP_TXRX_AST_TYPE_STATIC;
  1544. if (peer->vdev->opmode == wlan_op_mode_sta)
  1545. ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
  1546. break;
  1547. case CDP_TXRX_AST_TYPE_SELF:
  1548. peer->self_ast_entry = ast_entry;
  1549. ast_entry->type = CDP_TXRX_AST_TYPE_SELF;
  1550. break;
  1551. case CDP_TXRX_AST_TYPE_WDS:
  1552. ast_entry->next_hop = 1;
  1553. ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
  1554. break;
  1555. case CDP_TXRX_AST_TYPE_WDS_HM:
  1556. ast_entry->next_hop = 1;
  1557. ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM;
  1558. break;
  1559. case CDP_TXRX_AST_TYPE_WDS_HM_SEC:
  1560. ast_entry->next_hop = 1;
  1561. ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC;
  1562. ast_entry->peer_id = peer->peer_id;
  1563. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1564. ase_list_elem);
  1565. break;
  1566. case CDP_TXRX_AST_TYPE_DA:
  1567. vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev,
  1568. DP_MOD_ID_AST);
  1569. if (!vap_bss_peer) {
  1570. qdf_spin_unlock_bh(&soc->ast_lock);
  1571. qdf_mem_free(ast_entry);
  1572. return QDF_STATUS_E_FAILURE;
  1573. }
  1574. peer = vap_bss_peer;
  1575. ast_entry->next_hop = 1;
  1576. ast_entry->type = CDP_TXRX_AST_TYPE_DA;
  1577. break;
  1578. default:
  1579. dp_peer_err("%pK: Incorrect AST entry type", soc);
  1580. }
  1581. ast_entry->is_active = TRUE;
  1582. DP_STATS_INC(soc, ast.added, 1);
  1583. soc->num_ast_entries++;
  1584. dp_peer_ast_hash_add(soc, ast_entry);
  1585. if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) &&
  1586. (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) &&
  1587. (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) &&
  1588. (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC))
  1589. status = dp_add_wds_entry_wrapper(soc,
  1590. peer,
  1591. mac_addr,
  1592. flags,
  1593. ast_entry->type);
  1594. if (vap_bss_peer)
  1595. dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST);
  1596. qdf_spin_unlock_bh(&soc->ast_lock);
  1597. return qdf_status_from_os_return(status);
  1598. }
  1599. qdf_export_symbol(dp_peer_add_ast);
  1600. void dp_peer_free_ast_entry(struct dp_soc *soc,
  1601. struct dp_ast_entry *ast_entry)
  1602. {
  1603. /*
  1604. * NOTE: Ensure that call to this API is done
  1605. * after soc->ast_lock is taken
  1606. */
  1607. dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1608. ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id,
  1609. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
  1610. ast_entry->callback = NULL;
  1611. ast_entry->cookie = NULL;
  1612. DP_STATS_INC(soc, ast.deleted, 1);
  1613. dp_peer_ast_hash_remove(soc, ast_entry);
  1614. dp_peer_ast_cleanup(soc, ast_entry);
  1615. qdf_mem_free(ast_entry);
  1616. soc->num_ast_entries--;
  1617. }
  1618. void dp_peer_unlink_ast_entry(struct dp_soc *soc,
  1619. struct dp_ast_entry *ast_entry,
  1620. struct dp_peer *peer)
  1621. {
  1622. if (!peer) {
  1623. dp_info_rl("NULL peer");
  1624. return;
  1625. }
  1626. if (ast_entry->peer_id == HTT_INVALID_PEER) {
  1627. dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d",
  1628. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1629. ast_entry->type);
  1630. return;
  1631. }
  1632. /*
  1633. * NOTE: Ensure that call to this API is done
  1634. * after soc->ast_lock is taken
  1635. */
  1636. qdf_assert_always(ast_entry->peer_id == peer->peer_id);
  1637. TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem);
  1638. if (ast_entry == peer->self_ast_entry)
  1639. peer->self_ast_entry = NULL;
  1640. /*
  1641. * release the reference only if it is mapped
  1642. * to ast_table
  1643. */
  1644. if (ast_entry->is_mapped)
  1645. soc->ast_table[ast_entry->ast_idx] = NULL;
  1646. ast_entry->peer_id = HTT_INVALID_PEER;
  1647. }
  1648. void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
  1649. {
  1650. struct dp_peer *peer = NULL;
  1651. if (soc->ast_offload_support)
  1652. return;
  1653. if (!ast_entry) {
  1654. dp_info_rl("NULL AST entry");
  1655. return;
  1656. }
  1657. if (ast_entry->delete_in_progress) {
  1658. dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d",
  1659. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1660. ast_entry->type);
  1661. return;
  1662. }
  1663. dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1664. (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id,
  1665. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
  1666. ast_entry->delete_in_progress = true;
  1667. /* In teardown del ast is called after setting logical delete state
  1668. * use __dp_peer_get_ref_by_id to get the reference irrespective of
  1669. * state
  1670. */
  1671. peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1672. DP_MOD_ID_AST);
  1673. dp_peer_ast_send_wds_del(soc, ast_entry, peer);
  1674. /* Remove SELF and STATIC entries in teardown itself */
  1675. if (!ast_entry->next_hop)
  1676. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1677. if (ast_entry->is_mapped)
  1678. soc->ast_table[ast_entry->ast_idx] = NULL;
  1679. /* if peer map v2 is enabled we are not freeing ast entry
  1680. * here and it is supposed to be freed in unmap event (after
  1681. * we receive delete confirmation from target)
  1682. *
  1683. * if peer_id is invalid we did not get the peer map event
  1684. * for the peer free ast entry from here only in this case
  1685. */
  1686. if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry))
  1687. goto end;
  1688. /* for WDS secondary entry ast_entry->next_hop would be set so
  1689. * unlinking has to be done explicitly here.
  1690. * As this entry is not a mapped entry unmap notification from
  1691. * FW will not come. Hence unlinkling is done right here.
  1692. */
  1693. if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1694. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1695. dp_peer_free_ast_entry(soc, ast_entry);
  1696. end:
  1697. if (peer)
  1698. dp_peer_unref_delete(peer, DP_MOD_ID_AST);
  1699. }
  1700. int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
  1701. struct dp_ast_entry *ast_entry, uint32_t flags)
  1702. {
  1703. int ret = -1;
  1704. struct dp_peer *old_peer;
  1705. if (soc->ast_offload_support)
  1706. return QDF_STATUS_E_INVAL;
  1707. dp_peer_debug("%pK: ast_entry->type: %d pdevid: %u vdevid: %u flags: 0x%x mac_addr: " QDF_MAC_ADDR_FMT " peer_mac: " QDF_MAC_ADDR_FMT "\n",
  1708. soc, ast_entry->type, peer->vdev->pdev->pdev_id,
  1709. peer->vdev->vdev_id, flags,
  1710. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1711. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  1712. /* Do not send AST update in below cases
  1713. * 1) Ast entry delete has already triggered
  1714. * 2) Peer delete is already triggered
  1715. * 3) We did not get the HTT map for create event
  1716. */
  1717. if (ast_entry->delete_in_progress ||
  1718. !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) ||
  1719. !ast_entry->is_mapped)
  1720. return ret;
  1721. if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) ||
  1722. (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) ||
  1723. (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) ||
  1724. (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC))
  1725. return 0;
  1726. /*
  1727. * Avoids flood of WMI update messages sent to FW for same peer.
  1728. */
  1729. if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) &&
  1730. (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) &&
  1731. (ast_entry->vdev_id == peer->vdev->vdev_id) &&
  1732. (ast_entry->is_active))
  1733. return 0;
  1734. old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1735. DP_MOD_ID_AST);
  1736. if (!old_peer)
  1737. return 0;
  1738. TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem);
  1739. dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
  1740. ast_entry->peer_id = peer->peer_id;
  1741. ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
  1742. ast_entry->pdev_id = peer->vdev->pdev->pdev_id;
  1743. ast_entry->vdev_id = peer->vdev->vdev_id;
  1744. ast_entry->is_active = TRUE;
  1745. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem);
  1746. ret = dp_update_wds_entry_wrapper(soc,
  1747. peer,
  1748. ast_entry->mac_addr.raw,
  1749. flags);
  1750. return ret;
  1751. }
  1752. uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
  1753. struct dp_ast_entry *ast_entry)
  1754. {
  1755. return ast_entry->pdev_id;
  1756. }
  1757. uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
  1758. struct dp_ast_entry *ast_entry)
  1759. {
  1760. return ast_entry->next_hop;
  1761. }
  1762. void dp_peer_ast_set_type(struct dp_soc *soc,
  1763. struct dp_ast_entry *ast_entry,
  1764. enum cdp_txrx_ast_entry_type type)
  1765. {
  1766. ast_entry->type = type;
  1767. }
  1768. void dp_peer_ast_send_wds_del(struct dp_soc *soc,
  1769. struct dp_ast_entry *ast_entry,
  1770. struct dp_peer *peer)
  1771. {
  1772. bool delete_in_fw = false;
  1773. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE,
  1774. "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n",
  1775. __func__, ast_entry->type, ast_entry->pdev_id,
  1776. ast_entry->vdev_id,
  1777. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1778. ast_entry->next_hop, ast_entry->peer_id);
  1779. /*
  1780. * If peer state is logical delete, the peer is about to get
  1781. * teared down with a peer delete command to firmware,
  1782. * which will cleanup all the wds ast entries.
  1783. * So, no need to send explicit wds ast delete to firmware.
  1784. */
  1785. if (ast_entry->next_hop) {
  1786. if (peer && dp_peer_state_cmp(peer,
  1787. DP_PEER_STATE_LOGICAL_DELETE))
  1788. delete_in_fw = false;
  1789. else
  1790. delete_in_fw = true;
  1791. dp_del_wds_entry_wrapper(soc,
  1792. ast_entry->vdev_id,
  1793. ast_entry->mac_addr.raw,
  1794. ast_entry->type,
  1795. delete_in_fw);
  1796. }
  1797. }
  1798. #else
  1799. void dp_peer_free_ast_entry(struct dp_soc *soc,
  1800. struct dp_ast_entry *ast_entry)
  1801. {
  1802. }
  1803. void dp_peer_unlink_ast_entry(struct dp_soc *soc,
  1804. struct dp_ast_entry *ast_entry,
  1805. struct dp_peer *peer)
  1806. {
  1807. }
  1808. void dp_peer_ast_hash_remove(struct dp_soc *soc,
  1809. struct dp_ast_entry *ase)
  1810. {
  1811. }
  1812. struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
  1813. uint8_t *ast_mac_addr,
  1814. uint8_t vdev_id)
  1815. {
  1816. return NULL;
  1817. }
  1818. QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
  1819. struct dp_peer *peer,
  1820. uint8_t *mac_addr,
  1821. enum cdp_txrx_ast_entry_type type,
  1822. uint32_t flags)
  1823. {
  1824. return QDF_STATUS_E_FAILURE;
  1825. }
  1826. void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
  1827. {
  1828. }
  1829. int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
  1830. struct dp_ast_entry *ast_entry, uint32_t flags)
  1831. {
  1832. return 1;
  1833. }
  1834. struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
  1835. uint8_t *ast_mac_addr)
  1836. {
  1837. return NULL;
  1838. }
  1839. static inline
  1840. QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
  1841. uint8_t *mac_addr, uint16_t hw_peer_id,
  1842. uint8_t vdev_id, uint16_t ast_hash,
  1843. uint8_t is_wds)
  1844. {
  1845. return QDF_STATUS_SUCCESS;
  1846. }
  1847. struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
  1848. uint8_t *ast_mac_addr,
  1849. uint8_t pdev_id)
  1850. {
  1851. return NULL;
  1852. }
  1853. QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
  1854. {
  1855. return QDF_STATUS_SUCCESS;
  1856. }
  1857. static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
  1858. struct dp_peer *peer,
  1859. uint8_t *mac_addr,
  1860. uint16_t hw_peer_id,
  1861. uint8_t vdev_id,
  1862. uint16_t ast_hash,
  1863. uint8_t is_wds)
  1864. {
  1865. return QDF_STATUS_SUCCESS;
  1866. }
  1867. void dp_peer_ast_hash_detach(struct dp_soc *soc)
  1868. {
  1869. }
  1870. void dp_peer_ast_set_type(struct dp_soc *soc,
  1871. struct dp_ast_entry *ast_entry,
  1872. enum cdp_txrx_ast_entry_type type)
  1873. {
  1874. }
  1875. uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
  1876. struct dp_ast_entry *ast_entry)
  1877. {
  1878. return 0xff;
  1879. }
  1880. uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
  1881. struct dp_ast_entry *ast_entry)
  1882. {
  1883. return 0xff;
  1884. }
  1885. void dp_peer_ast_send_wds_del(struct dp_soc *soc,
  1886. struct dp_ast_entry *ast_entry,
  1887. struct dp_peer *peer)
  1888. {
  1889. }
  1890. static inline
  1891. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1892. uint8_t vdev_id, uint8_t *mac_addr)
  1893. {
  1894. }
  1895. #endif
  1896. #ifdef WLAN_FEATURE_MULTI_AST_DEL
  1897. void dp_peer_ast_send_multi_wds_del(
  1898. struct dp_soc *soc, uint8_t vdev_id,
  1899. struct peer_del_multi_wds_entries *wds_list)
  1900. {
  1901. struct cdp_soc_t *cdp_soc = &soc->cdp_soc;
  1902. if (cdp_soc && cdp_soc->ol_ops &&
  1903. cdp_soc->ol_ops->peer_del_multi_wds_entry)
  1904. cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc,
  1905. vdev_id, wds_list);
  1906. }
  1907. #endif
  1908. #ifdef FEATURE_WDS
  1909. /**
  1910. * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer
  1911. * @soc: soc handle
  1912. * @peer: peer handle
  1913. *
  1914. * Free all the wds ast entries associated with peer
  1915. *
  1916. * Return: Number of wds ast entries freed
  1917. */
  1918. static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc,
  1919. struct dp_peer *peer)
  1920. {
  1921. TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0};
  1922. struct dp_ast_entry *ast_entry, *temp_ast_entry;
  1923. uint32_t num_ast = 0;
  1924. TAILQ_INIT(&ast_local_list);
  1925. qdf_spin_lock_bh(&soc->ast_lock);
  1926. DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
  1927. if (ast_entry->next_hop)
  1928. num_ast++;
  1929. if (ast_entry->is_mapped)
  1930. soc->ast_table[ast_entry->ast_idx] = NULL;
  1931. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1932. DP_STATS_INC(soc, ast.deleted, 1);
  1933. dp_peer_ast_hash_remove(soc, ast_entry);
  1934. TAILQ_INSERT_TAIL(&ast_local_list, ast_entry,
  1935. ase_list_elem);
  1936. soc->num_ast_entries--;
  1937. }
  1938. qdf_spin_unlock_bh(&soc->ast_lock);
  1939. TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem,
  1940. temp_ast_entry) {
  1941. if (ast_entry->callback)
  1942. ast_entry->callback(soc->ctrl_psoc,
  1943. dp_soc_to_cdp_soc(soc),
  1944. ast_entry->cookie,
  1945. CDP_TXRX_AST_DELETED);
  1946. qdf_mem_free(ast_entry);
  1947. }
  1948. return num_ast;
  1949. }
  1950. /**
  1951. * dp_peer_clean_wds_entries() - Clean wds ast entries and compare
  1952. * @soc: soc handle
  1953. * @peer: peer handle
  1954. * @free_wds_count: number of wds entries freed by FW with peer delete
  1955. *
  1956. * Free all the wds ast entries associated with peer and compare with
  1957. * the value received from firmware
  1958. *
  1959. * Return: Number of wds ast entries freed
  1960. */
  1961. static void
  1962. dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
  1963. uint32_t free_wds_count)
  1964. {
  1965. uint32_t wds_deleted = 0;
  1966. if (soc->ast_offload_support && !soc->host_ast_db_enable)
  1967. return;
  1968. wds_deleted = dp_peer_ast_free_wds_entries(soc, peer);
  1969. if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) &&
  1970. (free_wds_count != wds_deleted)) {
  1971. DP_STATS_INC(soc, ast.ast_mismatch, 1);
  1972. dp_alert("For peer %pK (mac: "QDF_MAC_ADDR_FMT")number of wds entries deleted by fw = %d during peer delete is not same as the numbers deleted by host = %d",
  1973. peer, peer->mac_addr.raw, free_wds_count,
  1974. wds_deleted);
  1975. }
  1976. }
  1977. #else
  1978. static void
  1979. dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
  1980. uint32_t free_wds_count)
  1981. {
  1982. struct dp_ast_entry *ast_entry, *temp_ast_entry;
  1983. qdf_spin_lock_bh(&soc->ast_lock);
  1984. DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
  1985. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1986. if (ast_entry->is_mapped)
  1987. soc->ast_table[ast_entry->ast_idx] = NULL;
  1988. dp_peer_free_ast_entry(soc, ast_entry);
  1989. }
  1990. peer->self_ast_entry = NULL;
  1991. qdf_spin_unlock_bh(&soc->ast_lock);
  1992. }
  1993. #endif
  1994. /**
  1995. * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete
  1996. * @soc: soc handle
  1997. * @peer: peer handle
  1998. * @vdev_id: vdev_id
  1999. * @mac_addr: mac address of the AST entry to searc and delete
  2000. *
  2001. * find the ast entry from the peer list using the mac address and free
  2002. * the entry.
  2003. *
  2004. * Return: SUCCESS or NOENT
  2005. */
  2006. static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc,
  2007. struct dp_peer *peer,
  2008. uint8_t vdev_id,
  2009. uint8_t *mac_addr)
  2010. {
  2011. struct dp_ast_entry *ast_entry;
  2012. void *cookie = NULL;
  2013. txrx_ast_free_cb cb = NULL;
  2014. /*
  2015. * release the reference only if it is mapped
  2016. * to ast_table
  2017. */
  2018. qdf_spin_lock_bh(&soc->ast_lock);
  2019. ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
  2020. if (!ast_entry) {
  2021. qdf_spin_unlock_bh(&soc->ast_lock);
  2022. return QDF_STATUS_E_NOENT;
  2023. } else if (ast_entry->is_mapped) {
  2024. soc->ast_table[ast_entry->ast_idx] = NULL;
  2025. }
  2026. cb = ast_entry->callback;
  2027. cookie = ast_entry->cookie;
  2028. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  2029. dp_peer_free_ast_entry(soc, ast_entry);
  2030. qdf_spin_unlock_bh(&soc->ast_lock);
  2031. if (cb) {
  2032. cb(soc->ctrl_psoc,
  2033. dp_soc_to_cdp_soc(soc),
  2034. cookie,
  2035. CDP_TXRX_AST_DELETED);
  2036. }
  2037. return QDF_STATUS_SUCCESS;
  2038. }
  2039. void dp_peer_find_hash_erase(struct dp_soc *soc)
  2040. {
  2041. int i;
  2042. /*
  2043. * Not really necessary to take peer_ref_mutex lock - by this point,
  2044. * it's known that the soc is no longer in use.
  2045. */
  2046. for (i = 0; i <= soc->peer_hash.mask; i++) {
  2047. if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) {
  2048. struct dp_peer *peer, *peer_next;
  2049. /*
  2050. * TAILQ_FOREACH_SAFE must be used here to avoid any
  2051. * memory access violation after peer is freed
  2052. */
  2053. TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i],
  2054. hash_list_elem, peer_next) {
  2055. /*
  2056. * Don't remove the peer from the hash table -
  2057. * that would modify the list we are currently
  2058. * traversing, and it's not necessary anyway.
  2059. */
  2060. /*
  2061. * Artificially adjust the peer's ref count to
  2062. * 1, so it will get deleted by
  2063. * dp_peer_unref_delete.
  2064. */
  2065. /* set to zero */
  2066. qdf_atomic_init(&peer->ref_cnt);
  2067. for (i = 0; i < DP_MOD_ID_MAX; i++)
  2068. qdf_atomic_init(&peer->mod_refs[i]);
  2069. /* incr to one */
  2070. qdf_atomic_inc(&peer->ref_cnt);
  2071. qdf_atomic_inc(&peer->mod_refs
  2072. [DP_MOD_ID_CONFIG]);
  2073. dp_peer_unref_delete(peer,
  2074. DP_MOD_ID_CONFIG);
  2075. }
  2076. }
  2077. }
  2078. }
  2079. void dp_peer_ast_table_detach(struct dp_soc *soc)
  2080. {
  2081. if (soc->ast_table) {
  2082. qdf_mem_free(soc->ast_table);
  2083. soc->ast_table = NULL;
  2084. }
  2085. }
  2086. void dp_peer_find_map_detach(struct dp_soc *soc)
  2087. {
  2088. struct dp_peer *peer = NULL;
  2089. uint32_t i = 0;
  2090. if (soc->peer_id_to_obj_map) {
  2091. for (i = 0; i < soc->max_peer_id; i++) {
  2092. peer = soc->peer_id_to_obj_map[i];
  2093. if (peer)
  2094. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2095. }
  2096. qdf_mem_free(soc->peer_id_to_obj_map);
  2097. soc->peer_id_to_obj_map = NULL;
  2098. qdf_spinlock_destroy(&soc->peer_map_lock);
  2099. }
  2100. }
  2101. #ifndef AST_OFFLOAD_ENABLE
  2102. QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
  2103. {
  2104. QDF_STATUS status;
  2105. status = dp_peer_find_map_attach(soc);
  2106. if (!QDF_IS_STATUS_SUCCESS(status))
  2107. return status;
  2108. status = dp_peer_find_hash_attach(soc);
  2109. if (!QDF_IS_STATUS_SUCCESS(status))
  2110. goto map_detach;
  2111. status = dp_peer_ast_table_attach(soc);
  2112. if (!QDF_IS_STATUS_SUCCESS(status))
  2113. goto hash_detach;
  2114. status = dp_peer_ast_hash_attach(soc);
  2115. if (!QDF_IS_STATUS_SUCCESS(status))
  2116. goto ast_table_detach;
  2117. status = dp_peer_mec_hash_attach(soc);
  2118. if (QDF_IS_STATUS_SUCCESS(status)) {
  2119. dp_soc_wds_attach(soc);
  2120. return status;
  2121. }
  2122. dp_peer_ast_hash_detach(soc);
  2123. ast_table_detach:
  2124. dp_peer_ast_table_detach(soc);
  2125. hash_detach:
  2126. dp_peer_find_hash_detach(soc);
  2127. map_detach:
  2128. dp_peer_find_map_detach(soc);
  2129. return status;
  2130. }
  2131. #else
  2132. QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
  2133. {
  2134. QDF_STATUS status;
  2135. status = dp_peer_find_map_attach(soc);
  2136. if (!QDF_IS_STATUS_SUCCESS(status))
  2137. return status;
  2138. status = dp_peer_find_hash_attach(soc);
  2139. if (!QDF_IS_STATUS_SUCCESS(status))
  2140. goto map_detach;
  2141. return status;
  2142. map_detach:
  2143. dp_peer_find_map_detach(soc);
  2144. return status;
  2145. }
  2146. #endif
  2147. #ifdef REO_SHARED_QREF_TABLE_EN
  2148. void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc,
  2149. struct dp_peer *peer)
  2150. {
  2151. uint8_t tid;
  2152. uint16_t peer_id;
  2153. uint32_t max_list_size;
  2154. max_list_size = soc->wlan_cfg_ctx->qref_control_size;
  2155. peer_id = peer->peer_id;
  2156. if (peer_id > soc->max_peer_id)
  2157. return;
  2158. if (IS_MLO_DP_LINK_PEER(peer))
  2159. return;
  2160. if (max_list_size) {
  2161. unsigned long curr_ts = qdf_get_system_timestamp();
  2162. struct dp_peer *primary_peer = peer;
  2163. uint16_t chip_id = 0xFFFF;
  2164. uint32_t qref_index;
  2165. qref_index = soc->shared_qaddr_del_idx;
  2166. soc->list_shared_qaddr_del[qref_index].peer_id =
  2167. primary_peer->peer_id;
  2168. soc->list_shared_qaddr_del[qref_index].ts_qaddr_del = curr_ts;
  2169. soc->list_shared_qaddr_del[qref_index].chip_id = chip_id;
  2170. soc->shared_qaddr_del_idx++;
  2171. if (soc->shared_qaddr_del_idx == max_list_size)
  2172. soc->shared_qaddr_del_idx = 0;
  2173. }
  2174. if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) {
  2175. for (tid = 0; tid < DP_MAX_TIDS; tid++) {
  2176. hal_reo_shared_qaddr_write(soc->hal_soc,
  2177. peer_id, tid, 0);
  2178. }
  2179. }
  2180. }
  2181. #endif
  2182. /**
  2183. * dp_peer_find_add_id() - map peer_id with peer
  2184. * @soc: soc handle
  2185. * @peer_mac_addr: peer mac address
  2186. * @peer_id: peer id to be mapped
  2187. * @hw_peer_id: HW ast index
  2188. * @vdev_id: vdev_id
  2189. * @peer_type: peer type (link or MLD)
  2190. *
  2191. * return: peer in success
  2192. * NULL in failure
  2193. */
  2194. static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
  2195. uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id,
  2196. uint8_t vdev_id, enum cdp_peer_type peer_type)
  2197. {
  2198. struct dp_peer *peer;
  2199. struct cdp_peer_info peer_info = { 0 };
  2200. QDF_ASSERT(peer_id <= soc->max_peer_id);
  2201. /* check if there's already a peer object with this MAC address */
  2202. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr,
  2203. false, peer_type);
  2204. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG);
  2205. dp_peer_debug("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  2206. soc, peer, peer_id, vdev_id,
  2207. QDF_MAC_ADDR_REF(peer_mac_addr));
  2208. if (peer) {
  2209. /* peer's ref count was already incremented by
  2210. * peer_find_hash_find
  2211. */
  2212. dp_peer_info("%pK: ref_cnt: %d", soc,
  2213. qdf_atomic_read(&peer->ref_cnt));
  2214. /*
  2215. * if peer is in logical delete CP triggered delete before map
  2216. * is received ignore this event
  2217. */
  2218. if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) {
  2219. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2220. dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d",
  2221. peer, QDF_MAC_ADDR_REF(peer_mac_addr),
  2222. vdev_id);
  2223. return NULL;
  2224. }
  2225. if (peer->peer_id == HTT_INVALID_PEER) {
  2226. if (!IS_MLO_DP_MLD_PEER(peer))
  2227. dp_monitor_peer_tid_peer_id_update(soc, peer,
  2228. peer_id);
  2229. } else {
  2230. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2231. QDF_ASSERT(0);
  2232. return NULL;
  2233. }
  2234. dp_peer_find_id_to_obj_add(soc, peer, peer_id);
  2235. if (soc->arch_ops.dp_partner_chips_map)
  2236. soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id);
  2237. dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE);
  2238. return peer;
  2239. }
  2240. return NULL;
  2241. }
  2242. #ifdef WLAN_FEATURE_11BE_MLO
  2243. #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH
  2244. uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
  2245. {
  2246. return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift));
  2247. }
  2248. #else
  2249. uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
  2250. {
  2251. return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S));
  2252. }
  2253. #endif
  2254. QDF_STATUS
  2255. dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
  2256. uint8_t *peer_mac_addr,
  2257. struct dp_mlo_flow_override_info *mlo_flow_info,
  2258. struct dp_mlo_link_info *mlo_link_info)
  2259. {
  2260. struct dp_peer *peer = NULL;
  2261. uint16_t hw_peer_id = mlo_flow_info[0].ast_idx;
  2262. uint16_t ast_hash = mlo_flow_info[0].cache_set_num;
  2263. uint8_t vdev_id = 0;
  2264. uint8_t is_wds = 0;
  2265. int i;
  2266. uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
  2267. enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
  2268. QDF_STATUS err = QDF_STATUS_SUCCESS;
  2269. struct dp_soc *primary_soc = NULL;
  2270. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP,
  2271. NULL, peer_mac_addr,
  2272. 1, peer_id, ml_peer_id, 0,
  2273. vdev_id);
  2274. dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT,
  2275. soc, peer_id, ml_peer_id,
  2276. QDF_MAC_ADDR_REF(peer_mac_addr));
  2277. /* Get corresponding vdev ID for the peer based
  2278. * on chip ID obtained from mlo peer_map event
  2279. */
  2280. for (i = 0; i < DP_MAX_MLO_LINKS; i++) {
  2281. if (mlo_link_info[i].peer_chip_id == dp_get_chip_id(soc)) {
  2282. vdev_id = mlo_link_info[i].vdev_id;
  2283. break;
  2284. }
  2285. }
  2286. peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id,
  2287. hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE);
  2288. if (peer) {
  2289. if (wlan_op_mode_sta == peer->vdev->opmode &&
  2290. qdf_mem_cmp(peer->mac_addr.raw,
  2291. peer->vdev->mld_mac_addr.raw,
  2292. QDF_MAC_ADDR_SIZE) != 0) {
  2293. dp_peer_info("%pK: STA vdev bss_peer!!!!", soc);
  2294. peer->bss_peer = 1;
  2295. if (peer->txrx_peer)
  2296. peer->txrx_peer->bss_peer = 1;
  2297. }
  2298. if (peer->vdev->opmode == wlan_op_mode_sta) {
  2299. peer->vdev->bss_ast_hash = ast_hash;
  2300. peer->vdev->bss_ast_idx = hw_peer_id;
  2301. }
  2302. /* Add ast entry incase self ast entry is
  2303. * deleted due to DP CP sync issue
  2304. *
  2305. * self_ast_entry is modified in peer create
  2306. * and peer unmap path which cannot run in
  2307. * parllel with peer map, no lock need before
  2308. * referring it
  2309. */
  2310. if (!peer->self_ast_entry) {
  2311. dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
  2312. QDF_MAC_ADDR_REF(peer_mac_addr));
  2313. dp_peer_add_ast(soc, peer,
  2314. peer_mac_addr,
  2315. type, 0);
  2316. }
  2317. /* If peer setup and hence rx_tid setup got called
  2318. * before htt peer map then Qref write to LUT did not
  2319. * happen in rx_tid setup as peer_id was invalid.
  2320. * So defer Qref write to peer map handler. Check if
  2321. * rx_tid qdesc for tid 0 is already setup and perform
  2322. * qref write to LUT for Tid 0 and 16.
  2323. *
  2324. * Peer map could be obtained on assoc link, hence
  2325. * change to primary link's soc.
  2326. */
  2327. primary_soc = peer->vdev->pdev->soc;
  2328. if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) &&
  2329. peer->rx_tid[0].hw_qdesc_vaddr_unaligned) {
  2330. hal_reo_shared_qaddr_write(primary_soc->hal_soc,
  2331. ml_peer_id,
  2332. 0,
  2333. peer->rx_tid[0].hw_qdesc_paddr);
  2334. hal_reo_shared_qaddr_write(primary_soc->hal_soc,
  2335. ml_peer_id,
  2336. DP_NON_QOS_TID,
  2337. peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
  2338. }
  2339. }
  2340. if (!primary_soc)
  2341. primary_soc = soc;
  2342. err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
  2343. vdev_id, ast_hash, is_wds);
  2344. /*
  2345. * If AST offload and host AST DB is enabled, populate AST entries on
  2346. * host based on mlo peer map event from FW
  2347. */
  2348. if (peer && soc->ast_offload_support && soc->host_ast_db_enable) {
  2349. dp_peer_host_add_map_ast(primary_soc, ml_peer_id, peer_mac_addr,
  2350. hw_peer_id, vdev_id,
  2351. ast_hash, is_wds);
  2352. }
  2353. return err;
  2354. }
  2355. #endif
  2356. #ifdef DP_RX_UDP_OVER_PEER_ROAM
  2357. void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id,
  2358. uint8_t *peer_mac_addr)
  2359. {
  2360. struct dp_vdev *vdev = NULL;
  2361. vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT);
  2362. if (vdev) {
  2363. if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr,
  2364. QDF_MAC_ADDR_SIZE) == 0) {
  2365. vdev->roaming_peer_status =
  2366. WLAN_ROAM_PEER_AUTH_STATUS_NONE;
  2367. qdf_mem_zero(vdev->roaming_peer_mac.raw,
  2368. QDF_MAC_ADDR_SIZE);
  2369. }
  2370. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT);
  2371. }
  2372. }
  2373. #endif
  2374. #ifdef WLAN_SUPPORT_PPEDS
  2375. static void
  2376. dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
  2377. bool peer_map)
  2378. {
  2379. if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping)
  2380. soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
  2381. peer_map);
  2382. }
  2383. #else
  2384. static void
  2385. dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
  2386. bool peer_map)
  2387. {
  2388. }
  2389. #endif
  2390. QDF_STATUS
  2391. dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
  2392. uint16_t hw_peer_id, uint8_t vdev_id,
  2393. uint8_t *peer_mac_addr, uint16_t ast_hash,
  2394. uint8_t is_wds)
  2395. {
  2396. struct dp_peer *peer = NULL;
  2397. struct dp_vdev *vdev = NULL;
  2398. enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
  2399. QDF_STATUS err = QDF_STATUS_SUCCESS;
  2400. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP,
  2401. NULL, peer_mac_addr, 1, peer_id,
  2402. 0, 0, vdev_id);
  2403. dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d",
  2404. soc, peer_id, hw_peer_id,
  2405. QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id);
  2406. /* Peer map event for WDS ast entry get the peer from
  2407. * obj map
  2408. */
  2409. if (is_wds) {
  2410. if (!soc->ast_offload_support) {
  2411. peer = dp_peer_get_ref_by_id(soc, peer_id,
  2412. DP_MOD_ID_HTT);
  2413. err = dp_peer_map_ast(soc, peer, peer_mac_addr,
  2414. hw_peer_id,
  2415. vdev_id, ast_hash, is_wds);
  2416. if (peer)
  2417. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2418. }
  2419. } else {
  2420. /*
  2421. * It's the responsibility of the CP and FW to ensure
  2422. * that peer is created successfully. Ideally DP should
  2423. * not hit the below condition for directly associated
  2424. * peers.
  2425. */
  2426. if ((!soc->ast_offload_support) && ((hw_peer_id < 0) ||
  2427. (hw_peer_id >=
  2428. wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) {
  2429. dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id);
  2430. qdf_assert_always(0);
  2431. }
  2432. peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id,
  2433. hw_peer_id, vdev_id,
  2434. CDP_LINK_PEER_TYPE);
  2435. if (peer) {
  2436. bool peer_map = true;
  2437. /* Updating ast_hash and ast_idx in peer level */
  2438. peer->ast_hash = ast_hash;
  2439. peer->ast_idx = hw_peer_id;
  2440. vdev = peer->vdev;
  2441. /* Only check for STA Vdev and peer is not for TDLS */
  2442. if (wlan_op_mode_sta == vdev->opmode &&
  2443. !peer->is_tdls_peer) {
  2444. if (qdf_mem_cmp(peer->mac_addr.raw,
  2445. vdev->mac_addr.raw,
  2446. QDF_MAC_ADDR_SIZE) != 0) {
  2447. dp_info("%pK: STA vdev bss_peer", soc);
  2448. peer->bss_peer = 1;
  2449. if (peer->txrx_peer)
  2450. peer->txrx_peer->bss_peer = 1;
  2451. }
  2452. dp_info("bss ast_hash 0x%x, ast_index 0x%x",
  2453. ast_hash, hw_peer_id);
  2454. vdev->bss_ast_hash = ast_hash;
  2455. vdev->bss_ast_idx = hw_peer_id;
  2456. dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
  2457. peer_map);
  2458. }
  2459. /* Add ast entry incase self ast entry is
  2460. * deleted due to DP CP sync issue
  2461. *
  2462. * self_ast_entry is modified in peer create
  2463. * and peer unmap path which cannot run in
  2464. * parllel with peer map, no lock need before
  2465. * referring it
  2466. */
  2467. if (!soc->ast_offload_support &&
  2468. !peer->self_ast_entry) {
  2469. dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
  2470. QDF_MAC_ADDR_REF(peer_mac_addr));
  2471. dp_peer_add_ast(soc, peer,
  2472. peer_mac_addr,
  2473. type, 0);
  2474. }
  2475. /* If peer setup and hence rx_tid setup got called
  2476. * before htt peer map then Qref write to LUT did
  2477. * not happen in rx_tid setup as peer_id was invalid.
  2478. * So defer Qref write to peer map handler. Check if
  2479. * rx_tid qdesc for tid 0 is already setup perform qref
  2480. * write to LUT for Tid 0 and 16.
  2481. */
  2482. if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) &&
  2483. peer->rx_tid[0].hw_qdesc_vaddr_unaligned &&
  2484. !IS_MLO_DP_LINK_PEER(peer)) {
  2485. add_entry_write_list(soc, peer, 0);
  2486. hal_reo_shared_qaddr_write(soc->hal_soc,
  2487. peer_id,
  2488. 0,
  2489. peer->rx_tid[0].hw_qdesc_paddr);
  2490. add_entry_write_list(soc, peer, DP_NON_QOS_TID);
  2491. hal_reo_shared_qaddr_write(soc->hal_soc,
  2492. peer_id,
  2493. DP_NON_QOS_TID,
  2494. peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
  2495. }
  2496. }
  2497. err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
  2498. vdev_id, ast_hash, is_wds);
  2499. }
  2500. dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr);
  2501. /*
  2502. * If AST offload and host AST DB is enabled, populate AST entries on
  2503. * host based on peer map event from FW
  2504. */
  2505. if (soc->ast_offload_support && soc->host_ast_db_enable) {
  2506. dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr,
  2507. hw_peer_id, vdev_id,
  2508. ast_hash, is_wds);
  2509. }
  2510. return err;
  2511. }
  2512. void
  2513. dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
  2514. uint8_t vdev_id, uint8_t *mac_addr,
  2515. uint8_t is_wds, uint32_t free_wds_count)
  2516. {
  2517. struct dp_peer *peer;
  2518. struct dp_vdev *vdev = NULL;
  2519. /*
  2520. * If FW AST offload is enabled and host AST DB is enabled,
  2521. * the AST entries are created during peer map from FW.
  2522. */
  2523. if (soc->ast_offload_support && is_wds) {
  2524. if (!soc->host_ast_db_enable)
  2525. return;
  2526. }
  2527. peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  2528. /*
  2529. * Currently peer IDs are assigned for vdevs as well as peers.
  2530. * If the peer ID is for a vdev, then the peer pointer stored
  2531. * in peer_id_to_obj_map will be NULL.
  2532. */
  2533. if (!peer) {
  2534. dp_err("Received unmap event for invalid peer_id %u",
  2535. peer_id);
  2536. return;
  2537. }
  2538. vdev = peer->vdev;
  2539. if (peer->txrx_peer) {
  2540. struct cdp_txrx_peer_params_update params = {0};
  2541. params.vdev_id = vdev->vdev_id;
  2542. params.peer_mac = peer->mac_addr.raw;
  2543. params.chip_id = dp_get_chip_id(soc);
  2544. params.pdev_id = vdev->pdev->pdev_id;
  2545. dp_wdi_event_handler(WDI_EVENT_PEER_UNMAP, soc,
  2546. (void *)&params, peer_id,
  2547. WDI_NO_VAL, vdev->pdev->pdev_id);
  2548. }
  2549. /*
  2550. * In scenario where assoc peer soc id is different from
  2551. * primary soc id, reset the soc to point to primary psoc.
  2552. * Since map is received on primary soc, the unmap should
  2553. * also delete ast on primary soc.
  2554. */
  2555. soc = peer->vdev->pdev->soc;
  2556. /* If V2 Peer map messages are enabled AST entry has to be
  2557. * freed here
  2558. */
  2559. if (is_wds) {
  2560. if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id,
  2561. mac_addr)) {
  2562. dp_peer_unmap_ipa_evt(soc, peer_id, vdev_id, mac_addr);
  2563. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2564. return;
  2565. }
  2566. dp_alert("AST entry not found with peer %pK peer_id %u peer_mac "QDF_MAC_ADDR_FMT" mac_addr "QDF_MAC_ADDR_FMT" vdev_id %u next_hop %u",
  2567. peer, peer->peer_id,
  2568. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2569. QDF_MAC_ADDR_REF(mac_addr), vdev_id,
  2570. is_wds);
  2571. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2572. return;
  2573. }
  2574. dp_peer_clean_wds_entries(soc, peer, free_wds_count);
  2575. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP,
  2576. peer, mac_addr, 0, peer_id,
  2577. 0, 0, vdev_id);
  2578. dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK",
  2579. soc, peer_id, peer);
  2580. /* Clear entries in Qref LUT */
  2581. /* TODO: Check if this is to be called from
  2582. * dp_peer_delete for MLO case if there is race between
  2583. * new peer id assignment and still not having received
  2584. * peer unmap for MLD peer with same peer id.
  2585. */
  2586. dp_peer_rx_reo_shared_qaddr_delete(soc, peer);
  2587. vdev = peer->vdev;
  2588. /* only if peer is in STA mode and not tdls peer */
  2589. if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) {
  2590. bool peer_map = false;
  2591. dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map);
  2592. }
  2593. dp_peer_find_id_to_obj_remove(soc, peer_id);
  2594. if (soc->arch_ops.dp_partner_chips_unmap)
  2595. soc->arch_ops.dp_partner_chips_unmap(soc, peer_id);
  2596. peer->peer_id = HTT_INVALID_PEER;
  2597. /*
  2598. * Reset ast flow mapping table
  2599. */
  2600. if (!soc->ast_offload_support)
  2601. dp_peer_reset_flowq_map(peer);
  2602. if (soc->cdp_soc.ol_ops->peer_unmap_event) {
  2603. soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
  2604. peer_id, vdev_id, mac_addr);
  2605. }
  2606. dp_update_vdev_stats_on_peer_unmap(vdev, peer);
  2607. dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE);
  2608. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2609. /*
  2610. * Remove a reference to the peer.
  2611. * If there are no more references, delete the peer object.
  2612. */
  2613. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2614. }
  2615. #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
  2616. QDF_STATUS
  2617. dp_rx_peer_ext_evt(struct dp_soc *soc, struct dp_peer_ext_evt_info *info)
  2618. {
  2619. struct dp_peer *peer = NULL;
  2620. struct cdp_peer_info peer_info = { 0 };
  2621. QDF_ASSERT(info->peer_id <= soc->max_peer_id);
  2622. DP_PEER_INFO_PARAMS_INIT(&peer_info, info->vdev_id, info->peer_mac_addr,
  2623. false, CDP_LINK_PEER_TYPE);
  2624. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG);
  2625. if (!peer) {
  2626. dp_err("peer NULL, id %u, MAC " QDF_MAC_ADDR_FMT ", vdev_id %u",
  2627. info->peer_id, QDF_MAC_ADDR_REF(info->peer_mac_addr),
  2628. info->vdev_id);
  2629. return QDF_STATUS_E_FAILURE;
  2630. }
  2631. peer->link_id = info->link_id;
  2632. peer->link_id_valid = info->link_id_valid;
  2633. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2634. return QDF_STATUS_SUCCESS;
  2635. }
  2636. #endif
  2637. #ifdef WLAN_FEATURE_11BE_MLO
  2638. void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id)
  2639. {
  2640. uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
  2641. uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0};
  2642. uint8_t vdev_id = DP_VDEV_ALL;
  2643. uint8_t is_wds = 0;
  2644. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP,
  2645. NULL, mac_addr, 0, peer_id,
  2646. 0, 0, vdev_id);
  2647. dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d",
  2648. soc, peer_id);
  2649. dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id,
  2650. mac_addr, is_wds,
  2651. DP_PEER_WDS_COUNT_INVALID);
  2652. }
  2653. #endif
  2654. #ifndef AST_OFFLOAD_ENABLE
  2655. void
  2656. dp_peer_find_detach(struct dp_soc *soc)
  2657. {
  2658. dp_soc_wds_detach(soc);
  2659. dp_peer_find_map_detach(soc);
  2660. dp_peer_find_hash_detach(soc);
  2661. dp_peer_ast_hash_detach(soc);
  2662. dp_peer_ast_table_detach(soc);
  2663. dp_peer_mec_hash_detach(soc);
  2664. }
  2665. #else
  2666. void
  2667. dp_peer_find_detach(struct dp_soc *soc)
  2668. {
  2669. dp_peer_find_map_detach(soc);
  2670. dp_peer_find_hash_detach(soc);
  2671. }
  2672. #endif
  2673. void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer)
  2674. {
  2675. dp_peer_rx_tid_setup(peer);
  2676. peer->active_ba_session_cnt = 0;
  2677. peer->hw_buffer_size = 0;
  2678. peer->kill_256_sessions = 0;
  2679. /*
  2680. * Set security defaults: no PN check, no security. The target may
  2681. * send a HTT SEC_IND message to overwrite these defaults.
  2682. */
  2683. if (peer->txrx_peer)
  2684. peer->txrx_peer->security[dp_sec_ucast].sec_type =
  2685. peer->txrx_peer->security[dp_sec_mcast].sec_type =
  2686. cdp_sec_type_none;
  2687. }
  2688. void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
  2689. {
  2690. enum wlan_op_mode vdev_opmode;
  2691. uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE];
  2692. struct dp_pdev *pdev = vdev->pdev;
  2693. struct dp_soc *soc = pdev->soc;
  2694. /* save vdev related member in case vdev freed */
  2695. vdev_opmode = vdev->opmode;
  2696. if (!IS_MLO_DP_MLD_PEER(peer))
  2697. dp_monitor_peer_tx_cleanup(vdev, peer);
  2698. if (vdev_opmode != wlan_op_mode_monitor)
  2699. /* cleanup the Rx reorder queues for this peer */
  2700. dp_peer_rx_cleanup(vdev, peer);
  2701. dp_peer_rx_tids_destroy(peer);
  2702. if (IS_MLO_DP_LINK_PEER(peer))
  2703. dp_link_peer_del_mld_peer(peer);
  2704. if (IS_MLO_DP_MLD_PEER(peer))
  2705. dp_mld_peer_deinit_link_peers_info(peer);
  2706. qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw,
  2707. QDF_MAC_ADDR_SIZE);
  2708. if (soc->cdp_soc.ol_ops->peer_unref_delete)
  2709. soc->cdp_soc.ol_ops->peer_unref_delete(
  2710. soc->ctrl_psoc,
  2711. vdev->pdev->pdev_id,
  2712. peer->mac_addr.raw, vdev_mac_addr,
  2713. vdev_opmode);
  2714. }
  2715. QDF_STATUS
  2716. dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id,
  2717. uint8_t *peer_mac, enum cdp_sec_type sec_type,
  2718. bool is_unicast)
  2719. {
  2720. struct dp_peer *peer =
  2721. dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
  2722. peer_mac, 0, vdev_id,
  2723. DP_MOD_ID_CDP);
  2724. int sec_index;
  2725. if (!peer) {
  2726. dp_peer_debug("%pK: Peer is NULL!\n", soc);
  2727. return QDF_STATUS_E_FAILURE;
  2728. }
  2729. if (!peer->txrx_peer) {
  2730. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  2731. dp_peer_debug("%pK: txrx peer is NULL!\n", soc);
  2732. return QDF_STATUS_E_FAILURE;
  2733. }
  2734. dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
  2735. soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2736. is_unicast ? "ucast" : "mcast", sec_type);
  2737. sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
  2738. peer->txrx_peer->security[sec_index].sec_type = sec_type;
  2739. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  2740. return QDF_STATUS_SUCCESS;
  2741. }
  2742. void
  2743. dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id,
  2744. enum cdp_sec_type sec_type, int is_unicast,
  2745. u_int32_t *michael_key,
  2746. u_int32_t *rx_pn)
  2747. {
  2748. struct dp_peer *peer;
  2749. struct dp_txrx_peer *txrx_peer;
  2750. int sec_index;
  2751. peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  2752. if (!peer) {
  2753. dp_peer_err("Couldn't find peer from ID %d - skipping security inits",
  2754. peer_id);
  2755. return;
  2756. }
  2757. txrx_peer = dp_get_txrx_peer(peer);
  2758. if (!txrx_peer) {
  2759. dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits",
  2760. peer_id);
  2761. return;
  2762. }
  2763. dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
  2764. soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2765. is_unicast ? "ucast" : "mcast", sec_type);
  2766. sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
  2767. peer->txrx_peer->security[sec_index].sec_type = sec_type;
  2768. #ifdef notyet /* TODO: See if this is required for defrag support */
  2769. /* michael key only valid for TKIP, but for simplicity,
  2770. * copy it anyway
  2771. */
  2772. qdf_mem_copy(
  2773. &peer->txrx_peer->security[sec_index].michael_key[0],
  2774. michael_key,
  2775. sizeof(peer->txrx_peer->security[sec_index].michael_key));
  2776. #ifdef BIG_ENDIAN_HOST
  2777. OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0],
  2778. sizeof(peer->txrx_peer->security[sec_index].michael_key));
  2779. #endif /* BIG_ENDIAN_HOST */
  2780. #endif
  2781. #ifdef notyet /* TODO: Check if this is required for wifi3.0 */
  2782. if (sec_type != cdp_sec_type_wapi) {
  2783. qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS);
  2784. } else {
  2785. for (i = 0; i < DP_MAX_TIDS; i++) {
  2786. /*
  2787. * Setting PN valid bit for WAPI sec_type,
  2788. * since WAPI PN has to be started with predefined value
  2789. */
  2790. peer->tids_last_pn_valid[i] = 1;
  2791. qdf_mem_copy(
  2792. (u_int8_t *) &peer->tids_last_pn[i],
  2793. (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t));
  2794. peer->tids_last_pn[i].pn128[1] =
  2795. qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]);
  2796. peer->tids_last_pn[i].pn128[0] =
  2797. qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]);
  2798. }
  2799. }
  2800. #endif
  2801. /* TODO: Update HW TID queue with PN check parameters (pn type for
  2802. * all security types and last pn for WAPI) once REO command API
  2803. * is available
  2804. */
  2805. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2806. }
  2807. #ifdef QCA_PEER_EXT_STATS
  2808. QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc,
  2809. struct dp_txrx_peer *txrx_peer)
  2810. {
  2811. uint8_t tid, ctx_id;
  2812. if (!soc || !txrx_peer) {
  2813. dp_warn("Null soc%pK or peer%pK", soc, txrx_peer);
  2814. return QDF_STATUS_E_INVAL;
  2815. }
  2816. if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
  2817. return QDF_STATUS_SUCCESS;
  2818. /*
  2819. * Allocate memory for peer extended stats.
  2820. */
  2821. txrx_peer->delay_stats =
  2822. qdf_mem_malloc(sizeof(struct dp_peer_delay_stats));
  2823. if (!txrx_peer->delay_stats) {
  2824. dp_err("Peer extended stats obj alloc failed!!");
  2825. return QDF_STATUS_E_NOMEM;
  2826. }
  2827. for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) {
  2828. for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) {
  2829. struct cdp_delay_tx_stats *tx_delay =
  2830. &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay;
  2831. struct cdp_delay_rx_stats *rx_delay =
  2832. &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay;
  2833. dp_hist_init(&tx_delay->tx_swq_delay,
  2834. CDP_HIST_TYPE_SW_ENQEUE_DELAY);
  2835. dp_hist_init(&tx_delay->hwtx_delay,
  2836. CDP_HIST_TYPE_HW_COMP_DELAY);
  2837. dp_hist_init(&rx_delay->to_stack_delay,
  2838. CDP_HIST_TYPE_REAP_STACK);
  2839. }
  2840. }
  2841. return QDF_STATUS_SUCCESS;
  2842. }
  2843. void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc,
  2844. struct dp_txrx_peer *txrx_peer)
  2845. {
  2846. if (!txrx_peer) {
  2847. dp_warn("peer_ext dealloc failed due to NULL peer object");
  2848. return;
  2849. }
  2850. if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
  2851. return;
  2852. if (!txrx_peer->delay_stats)
  2853. return;
  2854. qdf_mem_free(txrx_peer->delay_stats);
  2855. txrx_peer->delay_stats = NULL;
  2856. }
  2857. void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
  2858. {
  2859. if (txrx_peer->delay_stats)
  2860. qdf_mem_zero(txrx_peer->delay_stats,
  2861. sizeof(struct dp_peer_delay_stats));
  2862. }
  2863. #endif
  2864. #ifdef WLAN_PEER_JITTER
  2865. QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev,
  2866. struct dp_txrx_peer *txrx_peer)
  2867. {
  2868. if (!pdev || !txrx_peer) {
  2869. dp_warn("Null pdev or peer");
  2870. return QDF_STATUS_E_INVAL;
  2871. }
  2872. if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
  2873. return QDF_STATUS_SUCCESS;
  2874. if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) {
  2875. /*
  2876. * Allocate memory on per tid basis when nss is enabled
  2877. */
  2878. txrx_peer->jitter_stats =
  2879. qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
  2880. * DP_MAX_TIDS);
  2881. } else {
  2882. /*
  2883. * Allocate memory on per tid per ring basis
  2884. */
  2885. txrx_peer->jitter_stats =
  2886. qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
  2887. * DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
  2888. }
  2889. if (!txrx_peer->jitter_stats) {
  2890. dp_warn("Jitter stats obj alloc failed!!");
  2891. return QDF_STATUS_E_NOMEM;
  2892. }
  2893. return QDF_STATUS_SUCCESS;
  2894. }
  2895. void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev,
  2896. struct dp_txrx_peer *txrx_peer)
  2897. {
  2898. if (!pdev || !txrx_peer) {
  2899. dp_warn("Null pdev or peer");
  2900. return;
  2901. }
  2902. if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
  2903. return;
  2904. if (txrx_peer->jitter_stats) {
  2905. qdf_mem_free(txrx_peer->jitter_stats);
  2906. txrx_peer->jitter_stats = NULL;
  2907. }
  2908. }
  2909. void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
  2910. {
  2911. struct cdp_peer_tid_stats *jitter_stats = NULL;
  2912. if (!txrx_peer) {
  2913. dp_warn("Null peer");
  2914. return;
  2915. }
  2916. if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer->
  2917. vdev->
  2918. pdev->soc->wlan_cfg_ctx))
  2919. return;
  2920. jitter_stats = txrx_peer->jitter_stats;
  2921. if (!jitter_stats)
  2922. return;
  2923. if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer->
  2924. vdev->pdev->wlan_cfg_ctx))
  2925. qdf_mem_zero(jitter_stats,
  2926. sizeof(struct cdp_peer_tid_stats) *
  2927. DP_MAX_TIDS);
  2928. else
  2929. qdf_mem_zero(jitter_stats,
  2930. sizeof(struct cdp_peer_tid_stats) *
  2931. DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
  2932. }
  2933. #endif
  2934. #ifdef DP_PEER_EXTENDED_API
  2935. /**
  2936. * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer
  2937. * @soc: DP soc handle
  2938. * @txrx_peer: Core txrx_peer handle
  2939. * @set_bw: enum of bandwidth to be set for this peer connection
  2940. *
  2941. * Return: None
  2942. */
  2943. static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer,
  2944. enum cdp_peer_bw set_bw)
  2945. {
  2946. if (!txrx_peer)
  2947. return;
  2948. txrx_peer->bw = set_bw;
  2949. switch (set_bw) {
  2950. case CDP_160_MHZ:
  2951. case CDP_320_MHZ:
  2952. txrx_peer->mpdu_retry_threshold =
  2953. soc->wlan_cfg_ctx->mpdu_retry_threshold_2;
  2954. break;
  2955. case CDP_20_MHZ:
  2956. case CDP_40_MHZ:
  2957. case CDP_80_MHZ:
  2958. default:
  2959. txrx_peer->mpdu_retry_threshold =
  2960. soc->wlan_cfg_ctx->mpdu_retry_threshold_1;
  2961. break;
  2962. }
  2963. dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u",
  2964. txrx_peer->peer_id, txrx_peer->bw,
  2965. txrx_peer->mpdu_retry_threshold);
  2966. }
  2967. #ifdef WLAN_FEATURE_11BE_MLO
  2968. QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2969. struct ol_txrx_desc_type *sta_desc)
  2970. {
  2971. struct dp_peer *peer;
  2972. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2973. peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
  2974. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  2975. if (!peer)
  2976. return QDF_STATUS_E_FAULT;
  2977. qdf_spin_lock_bh(&peer->peer_info_lock);
  2978. peer->state = OL_TXRX_PEER_STATE_CONN;
  2979. qdf_spin_unlock_bh(&peer->peer_info_lock);
  2980. dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
  2981. dp_rx_flush_rx_cached(peer, false);
  2982. if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
  2983. dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT,
  2984. QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw));
  2985. qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock);
  2986. peer->mld_peer->state = peer->state;
  2987. qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock);
  2988. dp_rx_flush_rx_cached(peer->mld_peer, false);
  2989. }
  2990. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  2991. return QDF_STATUS_SUCCESS;
  2992. }
  2993. QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  2994. enum ol_txrx_peer_state state)
  2995. {
  2996. struct dp_peer *peer;
  2997. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2998. peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  2999. DP_MOD_ID_CDP);
  3000. if (!peer) {
  3001. dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]",
  3002. soc, QDF_MAC_ADDR_REF(peer_mac));
  3003. return QDF_STATUS_E_FAILURE;
  3004. }
  3005. peer->state = state;
  3006. peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
  3007. if (peer->txrx_peer)
  3008. peer->txrx_peer->authorize = peer->authorize;
  3009. dp_peer_info("peer" QDF_MAC_ADDR_FMT "state %d",
  3010. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  3011. peer->state);
  3012. if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
  3013. peer->mld_peer->state = peer->state;
  3014. peer->mld_peer->txrx_peer->authorize = peer->authorize;
  3015. dp_peer_info("mld peer" QDF_MAC_ADDR_FMT "state %d",
  3016. QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw),
  3017. peer->mld_peer->state);
  3018. }
  3019. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3020. * Decrement it here.
  3021. */
  3022. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3023. return QDF_STATUS_SUCCESS;
  3024. }
  3025. #else
  3026. QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3027. struct ol_txrx_desc_type *sta_desc)
  3028. {
  3029. struct dp_peer *peer;
  3030. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3031. peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
  3032. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  3033. if (!peer)
  3034. return QDF_STATUS_E_FAULT;
  3035. qdf_spin_lock_bh(&peer->peer_info_lock);
  3036. peer->state = OL_TXRX_PEER_STATE_CONN;
  3037. qdf_spin_unlock_bh(&peer->peer_info_lock);
  3038. dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
  3039. dp_rx_flush_rx_cached(peer, false);
  3040. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3041. return QDF_STATUS_SUCCESS;
  3042. }
  3043. QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  3044. enum ol_txrx_peer_state state)
  3045. {
  3046. struct dp_peer *peer;
  3047. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3048. peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  3049. DP_MOD_ID_CDP);
  3050. if (!peer) {
  3051. dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]",
  3052. soc, QDF_MAC_ADDR_REF(peer_mac));
  3053. return QDF_STATUS_E_FAILURE;
  3054. }
  3055. peer->state = state;
  3056. peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
  3057. if (peer->txrx_peer)
  3058. peer->txrx_peer->authorize = peer->authorize;
  3059. dp_info("peer %pK state %d", peer, peer->state);
  3060. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3061. * Decrement it here.
  3062. */
  3063. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3064. return QDF_STATUS_SUCCESS;
  3065. }
  3066. #endif
  3067. QDF_STATUS
  3068. dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3069. struct qdf_mac_addr peer_addr)
  3070. {
  3071. struct dp_peer *peer;
  3072. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3073. peer = dp_peer_find_hash_find(soc, peer_addr.bytes,
  3074. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  3075. if (!peer)
  3076. return QDF_STATUS_E_FAULT;
  3077. if (!peer->valid) {
  3078. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3079. return QDF_STATUS_E_FAULT;
  3080. }
  3081. dp_clear_peer_internal(soc, peer);
  3082. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3083. return QDF_STATUS_SUCCESS;
  3084. }
  3085. QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  3086. uint8_t *vdev_id)
  3087. {
  3088. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3089. struct dp_peer *peer =
  3090. dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  3091. DP_MOD_ID_CDP);
  3092. if (!peer)
  3093. return QDF_STATUS_E_FAILURE;
  3094. dp_info("peer %pK vdev %pK vdev id %d",
  3095. peer, peer->vdev, peer->vdev->vdev_id);
  3096. *vdev_id = peer->vdev->vdev_id;
  3097. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3098. * Decrement it here.
  3099. */
  3100. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3101. return QDF_STATUS_SUCCESS;
  3102. }
  3103. struct cdp_vdev *
  3104. dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle,
  3105. struct qdf_mac_addr peer_addr)
  3106. {
  3107. struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
  3108. struct dp_peer *peer = NULL;
  3109. struct cdp_vdev *vdev = NULL;
  3110. if (!pdev) {
  3111. dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT,
  3112. QDF_MAC_ADDR_REF(peer_addr.bytes));
  3113. return NULL;
  3114. }
  3115. peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0,
  3116. DP_VDEV_ALL, DP_MOD_ID_CDP);
  3117. if (!peer) {
  3118. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH,
  3119. "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT,
  3120. QDF_MAC_ADDR_REF(peer_addr.bytes));
  3121. return NULL;
  3122. }
  3123. vdev = (struct cdp_vdev *)peer->vdev;
  3124. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3125. return vdev;
  3126. }
  3127. struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle)
  3128. {
  3129. struct dp_peer *peer = peer_handle;
  3130. DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev);
  3131. return (struct cdp_vdev *)peer->vdev;
  3132. }
  3133. uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle)
  3134. {
  3135. struct dp_peer *peer = peer_handle;
  3136. uint8_t *mac;
  3137. mac = peer->mac_addr.raw;
  3138. dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
  3139. peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  3140. return peer->mac_addr.raw;
  3141. }
  3142. int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3143. uint8_t *peer_mac)
  3144. {
  3145. enum ol_txrx_peer_state peer_state;
  3146. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3147. struct cdp_peer_info peer_info = { 0 };
  3148. struct dp_peer *peer;
  3149. struct dp_peer *tgt_peer;
  3150. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac,
  3151. false, CDP_WILD_PEER_TYPE);
  3152. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP);
  3153. if (!peer)
  3154. return OL_TXRX_PEER_STATE_INVALID;
  3155. DP_TRACE(DEBUG, "peer %pK stats %d", peer, peer->state);
  3156. tgt_peer = dp_get_tgt_peer_from_peer(peer);
  3157. peer_state = tgt_peer->state;
  3158. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3159. return peer_state;
  3160. }
  3161. void dp_local_peer_id_pool_init(struct dp_pdev *pdev)
  3162. {
  3163. int i;
  3164. /* point the freelist to the first ID */
  3165. pdev->local_peer_ids.freelist = 0;
  3166. /* link each ID to the next one */
  3167. for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) {
  3168. pdev->local_peer_ids.pool[i] = i + 1;
  3169. pdev->local_peer_ids.map[i] = NULL;
  3170. }
  3171. /* link the last ID to itself, to mark the end of the list */
  3172. i = OL_TXRX_NUM_LOCAL_PEER_IDS;
  3173. pdev->local_peer_ids.pool[i] = i;
  3174. qdf_spinlock_create(&pdev->local_peer_ids.lock);
  3175. dp_info("Peer pool init");
  3176. }
  3177. void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer)
  3178. {
  3179. int i;
  3180. qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
  3181. i = pdev->local_peer_ids.freelist;
  3182. if (pdev->local_peer_ids.pool[i] == i) {
  3183. /* the list is empty, except for the list-end marker */
  3184. peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID;
  3185. } else {
  3186. /* take the head ID and advance the freelist */
  3187. peer->local_id = i;
  3188. pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i];
  3189. pdev->local_peer_ids.map[i] = peer;
  3190. }
  3191. qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
  3192. dp_info("peer %pK, local id %d", peer, peer->local_id);
  3193. }
  3194. void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer)
  3195. {
  3196. int i = peer->local_id;
  3197. if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) ||
  3198. (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) {
  3199. return;
  3200. }
  3201. /* put this ID on the head of the freelist */
  3202. qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
  3203. pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist;
  3204. pdev->local_peer_ids.freelist = i;
  3205. pdev->local_peer_ids.map[i] = NULL;
  3206. qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
  3207. }
  3208. bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl,
  3209. uint8_t vdev_id, uint8_t *peer_addr)
  3210. {
  3211. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3212. struct dp_peer *peer = NULL;
  3213. peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id,
  3214. DP_MOD_ID_CDP);
  3215. if (!peer)
  3216. return false;
  3217. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3218. return true;
  3219. }
  3220. bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl,
  3221. uint8_t vdev_id, uint8_t *peer_addr,
  3222. uint16_t max_bssid)
  3223. {
  3224. int i;
  3225. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3226. struct dp_peer *peer = NULL;
  3227. for (i = 0; i < max_bssid; i++) {
  3228. /* Need to check vdevs other than the vdev_id */
  3229. if (vdev_id == i)
  3230. continue;
  3231. peer = dp_peer_find_hash_find(soc, peer_addr, 0, i,
  3232. DP_MOD_ID_CDP);
  3233. if (peer) {
  3234. dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d",
  3235. QDF_MAC_ADDR_REF(peer_addr), i);
  3236. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3237. return true;
  3238. }
  3239. }
  3240. return false;
  3241. }
  3242. void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3243. uint8_t *peer_mac, bool val)
  3244. {
  3245. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3246. struct dp_peer *peer = NULL;
  3247. peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id,
  3248. DP_MOD_ID_CDP);
  3249. if (!peer) {
  3250. dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT,
  3251. QDF_MAC_ADDR_REF(peer_mac));
  3252. return;
  3253. }
  3254. dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT,
  3255. val, QDF_MAC_ADDR_REF(peer_mac));
  3256. peer->is_tdls_peer = val;
  3257. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3258. }
  3259. #endif
  3260. bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3261. uint8_t *peer_addr)
  3262. {
  3263. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3264. struct dp_peer *peer = NULL;
  3265. peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL,
  3266. DP_MOD_ID_CDP);
  3267. if (peer) {
  3268. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3269. return true;
  3270. }
  3271. return false;
  3272. }
  3273. QDF_STATUS
  3274. dp_set_michael_key(struct cdp_soc_t *soc,
  3275. uint8_t vdev_id,
  3276. uint8_t *peer_mac,
  3277. bool is_unicast, uint32_t *key)
  3278. {
  3279. uint8_t sec_index = is_unicast ? 1 : 0;
  3280. struct dp_peer *peer =
  3281. dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
  3282. peer_mac, 0, vdev_id,
  3283. DP_MOD_ID_CDP);
  3284. if (!peer) {
  3285. dp_peer_err("%pK: peer not found ", soc);
  3286. return QDF_STATUS_E_FAILURE;
  3287. }
  3288. qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0],
  3289. key, IEEE80211_WEP_MICLEN);
  3290. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3291. return QDF_STATUS_SUCCESS;
  3292. }
  3293. struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc,
  3294. struct dp_vdev *vdev,
  3295. enum dp_mod_id mod_id)
  3296. {
  3297. struct dp_peer *peer = NULL;
  3298. qdf_spin_lock_bh(&vdev->peer_list_lock);
  3299. TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
  3300. if (peer->bss_peer)
  3301. break;
  3302. }
  3303. if (!peer) {
  3304. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3305. return NULL;
  3306. }
  3307. if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
  3308. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3309. return peer;
  3310. }
  3311. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3312. return peer;
  3313. }
  3314. struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc,
  3315. struct dp_vdev *vdev,
  3316. enum dp_mod_id mod_id)
  3317. {
  3318. struct dp_peer *peer;
  3319. if (vdev->opmode != wlan_op_mode_sta)
  3320. return NULL;
  3321. qdf_spin_lock_bh(&vdev->peer_list_lock);
  3322. TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
  3323. if (peer->sta_self_peer)
  3324. break;
  3325. }
  3326. if (!peer) {
  3327. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3328. return NULL;
  3329. }
  3330. if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
  3331. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3332. return peer;
  3333. }
  3334. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3335. return peer;
  3336. }
  3337. void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3338. uint8_t *peer_mac)
  3339. {
  3340. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3341. struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
  3342. vdev_id,
  3343. DP_MOD_ID_CDP);
  3344. struct dp_txrx_peer *txrx_peer;
  3345. uint8_t tid;
  3346. struct dp_rx_tid_defrag *defrag_rx_tid;
  3347. if (!peer)
  3348. return;
  3349. if (!peer->txrx_peer)
  3350. goto fail;
  3351. dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT,
  3352. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  3353. txrx_peer = peer->txrx_peer;
  3354. for (tid = 0; tid < DP_MAX_TIDS; tid++) {
  3355. defrag_rx_tid = &txrx_peer->rx_tid[tid];
  3356. qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock);
  3357. dp_rx_defrag_waitlist_remove(txrx_peer, tid);
  3358. dp_rx_reorder_flush_frag(txrx_peer, tid);
  3359. qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock);
  3360. }
  3361. fail:
  3362. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3363. }
  3364. bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id)
  3365. {
  3366. struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id,
  3367. DP_MOD_ID_HTT);
  3368. if (peer) {
  3369. /*
  3370. * Decrement the peer ref which is taken as part of
  3371. * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled
  3372. */
  3373. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  3374. return true;
  3375. }
  3376. return false;
  3377. }
  3378. qdf_export_symbol(dp_peer_find_by_id_valid);
  3379. #ifdef QCA_MULTIPASS_SUPPORT
  3380. void dp_peer_multipass_list_remove(struct dp_peer *peer)
  3381. {
  3382. struct dp_vdev *vdev = peer->vdev;
  3383. struct dp_txrx_peer *tpeer = NULL;
  3384. bool found = 0;
  3385. qdf_spin_lock_bh(&vdev->mpass_peer_mutex);
  3386. TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) {
  3387. if (tpeer == peer->txrx_peer) {
  3388. found = 1;
  3389. TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer,
  3390. mpass_peer_list_elem);
  3391. break;
  3392. }
  3393. }
  3394. qdf_spin_unlock_bh(&vdev->mpass_peer_mutex);
  3395. if (found)
  3396. dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
  3397. }
  3398. /**
  3399. * dp_peer_multipass_list_add() - add to new multipass list
  3400. * @soc: soc handle
  3401. * @peer_mac: mac address
  3402. * @vdev_id: vdev id for peer
  3403. * @vlan_id: vlan_id
  3404. *
  3405. * return: void
  3406. */
  3407. static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac,
  3408. uint8_t vdev_id, uint16_t vlan_id)
  3409. {
  3410. struct dp_peer *peer =
  3411. dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
  3412. vdev_id,
  3413. DP_MOD_ID_TX_MULTIPASS);
  3414. if (qdf_unlikely(!peer)) {
  3415. qdf_err("NULL peer");
  3416. return;
  3417. }
  3418. if (qdf_unlikely(!peer->txrx_peer))
  3419. goto fail;
  3420. /* If peer already exists in vdev multipass list, do not add it.
  3421. * This may happen if key install comes twice or re-key
  3422. * happens for a peer.
  3423. */
  3424. if (peer->txrx_peer->vlan_id) {
  3425. dp_debug("peer already added to vdev multipass list"
  3426. "MAC: "QDF_MAC_ADDR_FMT" vlan: %d ",
  3427. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  3428. peer->txrx_peer->vlan_id);
  3429. goto fail;
  3430. }
  3431. /*
  3432. * Ref_cnt is incremented inside dp_peer_find_hash_find().
  3433. * Decrement it when element is deleted from the list.
  3434. */
  3435. peer->txrx_peer->vlan_id = vlan_id;
  3436. qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
  3437. TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list,
  3438. peer->txrx_peer,
  3439. mpass_peer_list_elem);
  3440. qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
  3441. return;
  3442. fail:
  3443. dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
  3444. }
  3445. void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc,
  3446. uint8_t vdev_id, uint8_t *peer_mac,
  3447. uint16_t vlan_id)
  3448. {
  3449. struct dp_soc *soc = (struct dp_soc *)cdp_soc;
  3450. struct dp_vdev *vdev =
  3451. dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id,
  3452. DP_MOD_ID_TX_MULTIPASS);
  3453. dp_info("vdev_id %d, vdev %pK, multipass_en %d, peer_mac " QDF_MAC_ADDR_FMT " vlan %d",
  3454. vdev_id, vdev, vdev ? vdev->multipass_en : 0,
  3455. QDF_MAC_ADDR_REF(peer_mac), vlan_id);
  3456. if (vdev && vdev->multipass_en) {
  3457. dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id);
  3458. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS);
  3459. }
  3460. }
  3461. #endif /* QCA_MULTIPASS_SUPPORT */