dp_rx.h 99 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601
  1. /*
  2. * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021-2024 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. #ifndef _DP_RX_H
  20. #define _DP_RX_H
  21. #include "hal_rx.h"
  22. #include "dp_peer.h"
  23. #include "dp_internal.h"
  24. #include <qdf_tracepoint.h>
  25. #include "dp_ipa.h"
  26. #ifdef RXDMA_OPTIMIZATION
  27. #ifndef RX_DATA_BUFFER_ALIGNMENT
  28. #define RX_DATA_BUFFER_ALIGNMENT 128
  29. #endif
  30. #ifndef RX_MONITOR_BUFFER_ALIGNMENT
  31. #define RX_MONITOR_BUFFER_ALIGNMENT 128
  32. #endif
  33. #else /* RXDMA_OPTIMIZATION */
  34. #define RX_DATA_BUFFER_ALIGNMENT 4
  35. #define RX_MONITOR_BUFFER_ALIGNMENT 4
  36. #endif /* RXDMA_OPTIMIZATION */
  37. #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
  38. #define DP_WBM2SW_RBM(sw0_bm_id) HAL_RX_BUF_RBM_SW1_BM(sw0_bm_id)
  39. /* RBM value used for re-injecting defragmented packets into REO */
  40. #define DP_DEFRAG_RBM(sw0_bm_id) HAL_RX_BUF_RBM_SW3_BM(sw0_bm_id)
  41. #endif
  42. /* Max buffer in invalid peer SG list*/
  43. #define DP_MAX_INVALID_BUFFERS 10
  44. #ifdef DP_INVALID_PEER_ASSERT
  45. #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) \
  46. do { \
  47. qdf_assert_always(!(head)); \
  48. qdf_assert_always(!(tail)); \
  49. } while (0)
  50. #else
  51. #define DP_PDEV_INVALID_PEER_MSDU_CHECK(head, tail) /* no op */
  52. #endif
  53. #define RX_BUFFER_RESERVATION 0
  54. #define DP_DEFAULT_NOISEFLOOR (-96)
  55. #define DP_RX_DESC_MAGIC 0xdec0de
  56. #define dp_rx_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_RX, params)
  57. #define dp_rx_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX, params)
  58. #define dp_rx_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_RX, params)
  59. #define dp_rx_info(params...) \
  60. __QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
  61. #define dp_rx_info_rl(params...) \
  62. __QDF_TRACE_RL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
  63. #define dp_rx_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_RX, params)
  64. #define dp_rx_err_err(params...) \
  65. QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX_ERROR, params)
  66. /**
  67. * enum dp_rx_desc_state
  68. *
  69. * @RX_DESC_REPLENISHED: rx desc replenished
  70. * @RX_DESC_IN_FREELIST: rx desc in freelist
  71. */
  72. enum dp_rx_desc_state {
  73. RX_DESC_REPLENISHED,
  74. RX_DESC_IN_FREELIST,
  75. };
  76. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  77. /**
  78. * struct dp_rx_desc_dbg_info
  79. *
  80. * @freelist_caller: name of the function that put the
  81. * the rx desc in freelist
  82. * @freelist_ts: timestamp when the rx desc is put in
  83. * a freelist
  84. * @replenish_caller: name of the function that last
  85. * replenished the rx desc
  86. * @replenish_ts: last replenish timestamp
  87. * @prev_nbuf: previous nbuf info
  88. * @prev_nbuf_data_addr: previous nbuf data address
  89. */
  90. struct dp_rx_desc_dbg_info {
  91. char freelist_caller[QDF_MEM_FUNC_NAME_SIZE];
  92. uint64_t freelist_ts;
  93. char replenish_caller[QDF_MEM_FUNC_NAME_SIZE];
  94. uint64_t replenish_ts;
  95. qdf_nbuf_t prev_nbuf;
  96. uint8_t *prev_nbuf_data_addr;
  97. };
  98. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  99. /**
  100. * struct dp_rx_desc
  101. *
  102. * @nbuf: VA of the "skb" posted
  103. * @rx_buf_start: VA of the original Rx buffer, before
  104. * movement of any skb->data pointer
  105. * @paddr_buf_start: PA of the original Rx buffer, before
  106. * movement of any frag pointer
  107. * @cookie: index into the sw array which holds
  108. * the sw Rx descriptors
  109. * Cookie space is 21 bits:
  110. * lower 18 bits -- index
  111. * upper 3 bits -- pool_id
  112. * @pool_id: pool Id for which this allocated.
  113. * Can only be used if there is no flow
  114. * steering
  115. * @chip_id: chip_id indicating MLO chip_id
  116. * valid or used only in case of multi-chip MLO
  117. * @reuse_nbuf: VA of the "skb" which is being reused
  118. * @magic:
  119. * @nbuf_data_addr: VA of nbuf data posted
  120. * @dbg_info:
  121. * @prev_paddr_buf_start: paddr of the prev nbuf attach to rx_desc
  122. * @in_use: rx_desc is in use
  123. * @unmapped: used to mark rx_desc an unmapped if the corresponding
  124. * nbuf is already unmapped
  125. * @in_err_state: Nbuf sanity failed for this descriptor.
  126. * @has_reuse_nbuf: the nbuf associated with this desc is also saved in
  127. * reuse_nbuf field
  128. * @msdu_done_fail: this particular rx_desc was dequeued from REO with
  129. * msdu_done bit not set in data buffer.
  130. */
  131. struct dp_rx_desc {
  132. qdf_nbuf_t nbuf;
  133. #ifdef WLAN_SUPPORT_PPEDS
  134. qdf_nbuf_t reuse_nbuf;
  135. #endif
  136. uint8_t *rx_buf_start;
  137. qdf_dma_addr_t paddr_buf_start;
  138. uint32_t cookie;
  139. uint8_t pool_id;
  140. uint8_t chip_id;
  141. #ifdef RX_DESC_DEBUG_CHECK
  142. uint32_t magic;
  143. uint8_t *nbuf_data_addr;
  144. struct dp_rx_desc_dbg_info *dbg_info;
  145. qdf_dma_addr_t prev_paddr_buf_start;
  146. #endif
  147. uint8_t in_use:1,
  148. unmapped:1,
  149. in_err_state:1,
  150. has_reuse_nbuf:1,
  151. msdu_done_fail:1;
  152. };
  153. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  154. #ifdef ATH_RX_PRI_SAVE
  155. #define DP_RX_TID_SAVE(_nbuf, _tid) \
  156. (qdf_nbuf_set_priority(_nbuf, _tid))
  157. #else
  158. #define DP_RX_TID_SAVE(_nbuf, _tid)
  159. #endif
  160. /* RX Descriptor Multi Page memory alloc related */
  161. #define DP_RX_DESC_OFFSET_NUM_BITS 8
  162. #define DP_RX_DESC_PAGE_ID_NUM_BITS 8
  163. #define DP_RX_DESC_POOL_ID_NUM_BITS 4
  164. #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS
  165. #define DP_RX_DESC_POOL_ID_SHIFT \
  166. (DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS)
  167. #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \
  168. (((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT)
  169. #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK \
  170. (((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \
  171. DP_RX_DESC_PAGE_ID_SHIFT)
  172. #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \
  173. ((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1)
  174. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie) \
  175. (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >> \
  176. DP_RX_DESC_POOL_ID_SHIFT)
  177. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie) \
  178. (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >> \
  179. DP_RX_DESC_PAGE_ID_SHIFT)
  180. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie) \
  181. ((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK)
  182. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  183. #define RX_DESC_COOKIE_INDEX_SHIFT 0
  184. #define RX_DESC_COOKIE_INDEX_MASK 0x3ffff /* 18 bits */
  185. #define RX_DESC_COOKIE_POOL_ID_SHIFT 18
  186. #define RX_DESC_COOKIE_POOL_ID_MASK 0x1c0000
  187. #define DP_RX_DESC_COOKIE_MAX \
  188. (RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK)
  189. #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie) \
  190. (((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >> \
  191. RX_DESC_COOKIE_POOL_ID_SHIFT)
  192. #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie) \
  193. (((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >> \
  194. RX_DESC_COOKIE_INDEX_SHIFT)
  195. #define dp_rx_add_to_free_desc_list(head, tail, new) \
  196. __dp_rx_add_to_free_desc_list(head, tail, new, __func__)
  197. #define dp_rx_add_to_free_desc_list_reuse(head, tail, new) \
  198. __dp_rx_add_to_free_desc_list_reuse(head, tail, new, __func__)
  199. #define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
  200. num_buffers, desc_list, tail, req_only) \
  201. __dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
  202. num_buffers, desc_list, tail, req_only, \
  203. false, __func__)
  204. #ifdef WLAN_SUPPORT_RX_FISA
  205. /**
  206. * dp_rx_set_hdr_pad() - set l3 padding in nbuf cb
  207. * @nbuf: pkt skb pointer
  208. * @l3_padding: l3 padding
  209. *
  210. * Return: None
  211. */
  212. static inline
  213. void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
  214. {
  215. QDF_NBUF_CB_RX_PACKET_L3_HDR_PAD(nbuf) = l3_padding;
  216. }
  217. #else
  218. static inline
  219. void dp_rx_set_hdr_pad(qdf_nbuf_t nbuf, uint32_t l3_padding)
  220. {
  221. }
  222. #endif
  223. #ifdef DP_RX_SPECIAL_FRAME_NEED
  224. /**
  225. * dp_rx_is_special_frame() - check is RX frame special needed
  226. *
  227. * @nbuf: RX skb pointer
  228. * @frame_mask: the mask for special frame needed
  229. *
  230. * Check is RX frame wanted matched with mask
  231. *
  232. * Return: true - special frame needed, false - no
  233. */
  234. static inline
  235. bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
  236. {
  237. if (((frame_mask & FRAME_MASK_IPV4_ARP) &&
  238. qdf_nbuf_is_ipv4_arp_pkt(nbuf)) ||
  239. ((frame_mask & FRAME_MASK_IPV4_DHCP) &&
  240. qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) ||
  241. ((frame_mask & FRAME_MASK_IPV4_EAPOL) &&
  242. qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) ||
  243. ((frame_mask & FRAME_MASK_IPV6_DHCP) &&
  244. qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)) ||
  245. ((frame_mask & FRAME_MASK_DNS_QUERY) &&
  246. qdf_nbuf_data_is_dns_query(nbuf)) ||
  247. ((frame_mask & FRAME_MASK_DNS_RESP) &&
  248. qdf_nbuf_data_is_dns_response(nbuf)))
  249. return true;
  250. return false;
  251. }
  252. /**
  253. * dp_rx_deliver_special_frame() - Deliver the RX special frame to stack
  254. * if matches mask
  255. *
  256. * @soc: Datapath soc handler
  257. * @peer: pointer to DP peer
  258. * @nbuf: pointer to the skb of RX frame
  259. * @frame_mask: the mask for special frame needed
  260. * @rx_tlv_hdr: start of rx tlv header
  261. *
  262. * note: Msdu_len must have been stored in QDF_NBUF_CB_RX_PKT_LEN(nbuf) and
  263. * single nbuf is expected.
  264. *
  265. * Return: true - nbuf has been delivered to stack, false - not.
  266. */
  267. bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
  268. qdf_nbuf_t nbuf, uint32_t frame_mask,
  269. uint8_t *rx_tlv_hdr);
  270. #else
  271. static inline
  272. bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
  273. {
  274. return false;
  275. }
  276. static inline
  277. bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_txrx_peer *peer,
  278. qdf_nbuf_t nbuf, uint32_t frame_mask,
  279. uint8_t *rx_tlv_hdr)
  280. {
  281. return false;
  282. }
  283. #endif
  284. #ifdef FEATURE_RX_LINKSPEED_ROAM_TRIGGER
  285. /**
  286. * dp_rx_data_is_specific() - Used to exclude specific frames
  287. * not practical for getting rx
  288. * stats like rate, mcs, nss, etc.
  289. *
  290. * @hal_soc_hdl: soc handler
  291. * @rx_tlv_hdr: rx tlv header
  292. * @nbuf: RX skb pointer
  293. *
  294. * Return: true - a specific frame not suitable
  295. * for getting rx stats from it.
  296. * false - a common frame suitable for
  297. * getting rx stats from it.
  298. */
  299. static inline
  300. bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
  301. uint8_t *rx_tlv_hdr,
  302. qdf_nbuf_t nbuf)
  303. {
  304. if (qdf_unlikely(qdf_nbuf_is_da_mcbc(nbuf)))
  305. return true;
  306. if (!hal_rx_tlv_first_mpdu_get(hal_soc_hdl, rx_tlv_hdr))
  307. return true;
  308. if (!hal_rx_msdu_end_first_msdu_get(hal_soc_hdl, rx_tlv_hdr))
  309. return true;
  310. /* ARP, EAPOL is neither IPV6 ETH nor IPV4 ETH from L3 level */
  311. if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
  312. QDF_NBUF_TRAC_IPV4_ETH_TYPE)) {
  313. if (qdf_nbuf_is_ipv4_dhcp_pkt(nbuf))
  314. return true;
  315. } else if (qdf_likely(hal_rx_tlv_l3_type_get(hal_soc_hdl, rx_tlv_hdr) ==
  316. QDF_NBUF_TRAC_IPV6_ETH_TYPE)) {
  317. if (qdf_nbuf_is_ipv6_dhcp_pkt(nbuf))
  318. return true;
  319. } else {
  320. return true;
  321. }
  322. return false;
  323. }
  324. #else
  325. static inline
  326. bool dp_rx_data_is_specific(hal_soc_handle_t hal_soc_hdl,
  327. uint8_t *rx_tlv_hdr,
  328. qdf_nbuf_t nbuf)
  329. {
  330. /*
  331. * default return is true to make sure that rx stats
  332. * will not be handled when this feature is disabled
  333. */
  334. return true;
  335. }
  336. #endif /* FEATURE_RX_LINKSPEED_ROAM_TRIGGER */
  337. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  338. #ifdef DP_RX_DISABLE_NDI_MDNS_FORWARDING
  339. static inline
  340. bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
  341. qdf_nbuf_t nbuf, uint8_t link_id)
  342. {
  343. if (ta_txrx_peer->vdev->opmode == wlan_op_mode_ndi &&
  344. qdf_nbuf_is_ipv6_mdns_pkt(nbuf)) {
  345. DP_PEER_PER_PKT_STATS_INC(ta_txrx_peer,
  346. rx.intra_bss.mdns_no_fwd,
  347. 1, link_id);
  348. return false;
  349. }
  350. return true;
  351. }
  352. #else
  353. static inline
  354. bool dp_rx_check_ndi_mdns_fwding(struct dp_txrx_peer *ta_txrx_peer,
  355. qdf_nbuf_t nbuf, uint8_t link_id)
  356. {
  357. return true;
  358. }
  359. #endif
  360. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  361. /* DOC: Offset to obtain LLC hdr
  362. *
  363. * In the case of Wifi parse error
  364. * to reach LLC header from beginning
  365. * of VLAN tag we need to skip 8 bytes.
  366. * Vlan_tag(4)+length(2)+length added
  367. * by HW(2) = 8 bytes.
  368. */
  369. #define DP_SKIP_VLAN 8
  370. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  371. /**
  372. * struct dp_rx_cached_buf - rx cached buffer
  373. * @node: linked list node
  374. * @buf: skb buffer
  375. */
  376. struct dp_rx_cached_buf {
  377. qdf_list_node_t node;
  378. qdf_nbuf_t buf;
  379. };
  380. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  381. /**
  382. * dp_rx_xor_block() - xor block of data
  383. * @b: destination data block
  384. * @a: source data block
  385. * @len: length of the data to process
  386. *
  387. * Return: None
  388. */
  389. static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len)
  390. {
  391. qdf_size_t i;
  392. for (i = 0; i < len; i++)
  393. b[i] ^= a[i];
  394. }
  395. /**
  396. * dp_rx_rotl() - rotate the bits left
  397. * @val: unsigned integer input value
  398. * @bits: number of bits
  399. *
  400. * Return: Integer with left rotated by number of 'bits'
  401. */
  402. static inline uint32_t dp_rx_rotl(uint32_t val, int bits)
  403. {
  404. return (val << bits) | (val >> (32 - bits));
  405. }
  406. /**
  407. * dp_rx_rotr() - rotate the bits right
  408. * @val: unsigned integer input value
  409. * @bits: number of bits
  410. *
  411. * Return: Integer with right rotated by number of 'bits'
  412. */
  413. static inline uint32_t dp_rx_rotr(uint32_t val, int bits)
  414. {
  415. return (val >> bits) | (val << (32 - bits));
  416. }
  417. /**
  418. * dp_set_rx_queue() - set queue_mapping in skb
  419. * @nbuf: skb
  420. * @queue_id: rx queue_id
  421. *
  422. * Return: void
  423. */
  424. #ifdef QCA_OL_RX_MULTIQ_SUPPORT
  425. static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
  426. {
  427. qdf_nbuf_record_rx_queue(nbuf, queue_id);
  428. return;
  429. }
  430. #else
  431. static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
  432. {
  433. }
  434. #endif
  435. /**
  436. * dp_rx_xswap() - swap the bits left
  437. * @val: unsigned integer input value
  438. *
  439. * Return: Integer with bits swapped
  440. */
  441. static inline uint32_t dp_rx_xswap(uint32_t val)
  442. {
  443. return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
  444. }
  445. /**
  446. * dp_rx_get_le32_split() - get little endian 32 bits split
  447. * @b0: byte 0
  448. * @b1: byte 1
  449. * @b2: byte 2
  450. * @b3: byte 3
  451. *
  452. * Return: Integer with split little endian 32 bits
  453. */
  454. static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2,
  455. uint8_t b3)
  456. {
  457. return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
  458. }
  459. /**
  460. * dp_rx_get_le32() - get little endian 32 bits
  461. * @p: source 32-bit value
  462. *
  463. * Return: Integer with little endian 32 bits
  464. */
  465. static inline uint32_t dp_rx_get_le32(const uint8_t *p)
  466. {
  467. return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]);
  468. }
  469. /**
  470. * dp_rx_put_le32() - put little endian 32 bits
  471. * @p: destination char array
  472. * @v: source 32-bit integer
  473. *
  474. * Return: None
  475. */
  476. static inline void dp_rx_put_le32(uint8_t *p, uint32_t v)
  477. {
  478. p[0] = (v) & 0xff;
  479. p[1] = (v >> 8) & 0xff;
  480. p[2] = (v >> 16) & 0xff;
  481. p[3] = (v >> 24) & 0xff;
  482. }
  483. /* Extract michal mic block of data */
  484. #define dp_rx_michael_block(l, r) \
  485. do { \
  486. r ^= dp_rx_rotl(l, 17); \
  487. l += r; \
  488. r ^= dp_rx_xswap(l); \
  489. l += r; \
  490. r ^= dp_rx_rotl(l, 3); \
  491. l += r; \
  492. r ^= dp_rx_rotr(l, 2); \
  493. l += r; \
  494. } while (0)
  495. /**
  496. * struct dp_rx_desc_list_elem_t
  497. *
  498. * @next: Next pointer to form free list
  499. * @rx_desc: DP Rx descriptor
  500. */
  501. union dp_rx_desc_list_elem_t {
  502. union dp_rx_desc_list_elem_t *next;
  503. struct dp_rx_desc rx_desc;
  504. };
  505. #ifdef RX_DESC_MULTI_PAGE_ALLOC
  506. /**
  507. * dp_rx_desc_find() - find dp rx descriptor from page ID and offset
  508. * @page_id: Page ID
  509. * @offset: Offset of the descriptor element
  510. * @rx_pool: RX pool
  511. *
  512. * Return: RX descriptor element
  513. */
  514. union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset,
  515. struct rx_desc_pool *rx_pool);
  516. static inline
  517. struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc,
  518. struct rx_desc_pool *pool,
  519. uint32_t cookie)
  520. {
  521. uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
  522. uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
  523. uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
  524. struct rx_desc_pool *rx_desc_pool;
  525. union dp_rx_desc_list_elem_t *rx_desc_elem;
  526. if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
  527. return NULL;
  528. rx_desc_pool = &pool[pool_id];
  529. rx_desc_elem = (union dp_rx_desc_list_elem_t *)
  530. (rx_desc_pool->desc_pages.cacheable_pages[page_id] +
  531. rx_desc_pool->elem_size * offset);
  532. return &rx_desc_elem->rx_desc;
  533. }
  534. static inline
  535. struct dp_rx_desc *dp_get_rx_mon_status_desc_from_cookie(struct dp_soc *soc,
  536. struct rx_desc_pool *pool,
  537. uint32_t cookie)
  538. {
  539. uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
  540. uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
  541. uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
  542. struct rx_desc_pool *rx_desc_pool;
  543. union dp_rx_desc_list_elem_t *rx_desc_elem;
  544. if (qdf_unlikely(pool_id >= NUM_RXDMA_STATUS_RINGS_PER_PDEV))
  545. return NULL;
  546. rx_desc_pool = &pool[pool_id];
  547. rx_desc_elem = (union dp_rx_desc_list_elem_t *)
  548. (rx_desc_pool->desc_pages.cacheable_pages[page_id] +
  549. rx_desc_pool->elem_size * offset);
  550. return &rx_desc_elem->rx_desc;
  551. }
  552. /**
  553. * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
  554. * the Rx descriptor on Rx DMA source ring buffer
  555. * @soc: core txrx main context
  556. * @cookie: cookie used to lookup virtual address
  557. *
  558. * Return: Pointer to the Rx descriptor
  559. */
  560. static inline
  561. struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc,
  562. uint32_t cookie)
  563. {
  564. return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie);
  565. }
  566. /**
  567. * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
  568. * the Rx descriptor on monitor ring buffer
  569. * @soc: core txrx main context
  570. * @cookie: cookie used to lookup virtual address
  571. *
  572. * Return: Pointer to the Rx descriptor
  573. */
  574. static inline
  575. struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc,
  576. uint32_t cookie)
  577. {
  578. return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie);
  579. }
  580. /**
  581. * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
  582. * the Rx descriptor on monitor status ring buffer
  583. * @soc: core txrx main context
  584. * @cookie: cookie used to lookup virtual address
  585. *
  586. * Return: Pointer to the Rx descriptor
  587. */
  588. static inline
  589. struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc,
  590. uint32_t cookie)
  591. {
  592. return dp_get_rx_mon_status_desc_from_cookie(soc,
  593. &soc->rx_desc_status[0],
  594. cookie);
  595. }
  596. #else
  597. void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
  598. uint32_t pool_size,
  599. struct rx_desc_pool *rx_desc_pool);
  600. /**
  601. * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
  602. * the Rx descriptor on Rx DMA source ring buffer
  603. * @soc: core txrx main context
  604. * @cookie: cookie used to lookup virtual address
  605. *
  606. * Return: void *: Virtual Address of the Rx descriptor
  607. */
  608. static inline
  609. void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie)
  610. {
  611. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  612. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  613. struct rx_desc_pool *rx_desc_pool;
  614. if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
  615. return NULL;
  616. rx_desc_pool = &soc->rx_desc_buf[pool_id];
  617. if (qdf_unlikely(index >= rx_desc_pool->pool_size))
  618. return NULL;
  619. return &rx_desc_pool->array[index].rx_desc;
  620. }
  621. /**
  622. * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
  623. * the Rx descriptor on monitor ring buffer
  624. * @soc: core txrx main context
  625. * @cookie: cookie used to lookup virtual address
  626. *
  627. * Return: void *: Virtual Address of the Rx descriptor
  628. */
  629. static inline
  630. void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie)
  631. {
  632. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  633. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  634. /* TODO */
  635. /* Add sanity for pool_id & index */
  636. return &(soc->rx_desc_mon[pool_id].array[index].rx_desc);
  637. }
  638. /**
  639. * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
  640. * the Rx descriptor on monitor status ring buffer
  641. * @soc: core txrx main context
  642. * @cookie: cookie used to lookup virtual address
  643. *
  644. * Return: void *: Virtual Address of the Rx descriptor
  645. */
  646. static inline
  647. void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie)
  648. {
  649. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  650. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  651. /* TODO */
  652. /* Add sanity for pool_id & index */
  653. return &(soc->rx_desc_status[pool_id].array[index].rx_desc);
  654. }
  655. #endif /* RX_DESC_MULTI_PAGE_ALLOC */
  656. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  657. static inline bool dp_rx_check_ap_bridge(struct dp_vdev *vdev)
  658. {
  659. return vdev->ap_bridge_enabled;
  660. }
  661. #ifdef DP_RX_DESC_COOKIE_INVALIDATE
  662. static inline QDF_STATUS
  663. dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
  664. {
  665. if (qdf_unlikely(HAL_RX_REO_BUF_COOKIE_INVALID_GET(ring_desc)))
  666. return QDF_STATUS_E_FAILURE;
  667. HAL_RX_REO_BUF_COOKIE_INVALID_SET(ring_desc);
  668. return QDF_STATUS_SUCCESS;
  669. }
  670. /**
  671. * dp_rx_cookie_reset_invalid_bit() - Reset the invalid bit of the cookie
  672. * field in ring descriptor
  673. * @ring_desc: ring descriptor
  674. *
  675. * Return: None
  676. */
  677. static inline void
  678. dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
  679. {
  680. HAL_RX_REO_BUF_COOKIE_INVALID_RESET(ring_desc);
  681. }
  682. #else
  683. static inline QDF_STATUS
  684. dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
  685. {
  686. return QDF_STATUS_SUCCESS;
  687. }
  688. static inline void
  689. dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
  690. {
  691. }
  692. #endif
  693. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  694. #if defined(RX_DESC_MULTI_PAGE_ALLOC) && \
  695. defined(DP_WAR_VALIDATE_RX_ERR_MSDU_COOKIE)
  696. /**
  697. * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
  698. * @soc: dp soc ref
  699. * @cookie: Rx buf SW cookie value
  700. *
  701. * Return: true if cookie is valid else false
  702. */
  703. static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
  704. uint32_t cookie)
  705. {
  706. uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
  707. uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
  708. uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
  709. struct rx_desc_pool *rx_desc_pool;
  710. if (qdf_unlikely(pool_id >= MAX_PDEV_CNT))
  711. goto fail;
  712. rx_desc_pool = &soc->rx_desc_buf[pool_id];
  713. if (page_id >= rx_desc_pool->desc_pages.num_pages ||
  714. offset >= rx_desc_pool->desc_pages.num_element_per_page)
  715. goto fail;
  716. return true;
  717. fail:
  718. DP_STATS_INC(soc, rx.err.invalid_cookie, 1);
  719. return false;
  720. }
  721. #else
  722. /**
  723. * dp_rx_is_sw_cookie_valid() - check whether SW cookie valid
  724. * @soc: dp soc ref
  725. * @cookie: Rx buf SW cookie value
  726. *
  727. * When multi page alloc is disabled SW cookie validness is
  728. * checked while fetching Rx descriptor, so no need to check here
  729. *
  730. * Return: true if cookie is valid else false
  731. */
  732. static inline bool dp_rx_is_sw_cookie_valid(struct dp_soc *soc,
  733. uint32_t cookie)
  734. {
  735. return true;
  736. }
  737. #endif
  738. /**
  739. * dp_rx_desc_pool_is_allocated() - check if memory is allocated for the
  740. * rx descriptor pool
  741. * @rx_desc_pool: rx descriptor pool pointer
  742. *
  743. * Return: QDF_STATUS QDF_STATUS_SUCCESS
  744. * QDF_STATUS_E_NOMEM
  745. */
  746. QDF_STATUS dp_rx_desc_pool_is_allocated(struct rx_desc_pool *rx_desc_pool);
  747. /**
  748. * dp_rx_desc_pool_alloc() - Allocate a memory pool for software rx
  749. * descriptors
  750. * @soc: core txrx main context
  751. * @pool_size: number of rx descriptors (size of the pool)
  752. * @rx_desc_pool: rx descriptor pool pointer
  753. *
  754. * Return: QDF_STATUS QDF_STATUS_SUCCESS
  755. * QDF_STATUS_E_NOMEM
  756. * QDF_STATUS_E_FAULT
  757. */
  758. QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc,
  759. uint32_t pool_size,
  760. struct rx_desc_pool *rx_desc_pool);
  761. /**
  762. * dp_rx_desc_pool_init() - Initialize the software RX descriptor pool
  763. * @soc: core txrx main context
  764. * @pool_id: pool_id which is one of 3 mac_ids
  765. * @pool_size: size of the rx descriptor pool
  766. * @rx_desc_pool: rx descriptor pool pointer
  767. *
  768. * Convert the pool of memory into a list of rx descriptors and create
  769. * locks to access this list of rx descriptors.
  770. *
  771. */
  772. void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
  773. uint32_t pool_size,
  774. struct rx_desc_pool *rx_desc_pool);
  775. /**
  776. * dp_rx_add_desc_list_to_free_list() - append unused desc_list back to
  777. * freelist.
  778. * @soc: core txrx main context
  779. * @local_desc_list: local desc list provided by the caller
  780. * @tail: attach the point to last desc of local desc list
  781. * @pool_id: pool_id which is one of 3 mac_ids
  782. * @rx_desc_pool: rx descriptor pool pointer
  783. */
  784. void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc,
  785. union dp_rx_desc_list_elem_t **local_desc_list,
  786. union dp_rx_desc_list_elem_t **tail,
  787. uint16_t pool_id,
  788. struct rx_desc_pool *rx_desc_pool);
  789. /**
  790. * dp_rx_get_free_desc_list() - provide a list of descriptors from
  791. * the free rx desc pool.
  792. * @soc: core txrx main context
  793. * @pool_id: pool_id which is one of 3 mac_ids
  794. * @rx_desc_pool: rx descriptor pool pointer
  795. * @num_descs: number of descs requested from freelist
  796. * @desc_list: attach the descs to this list (output parameter)
  797. * @tail: attach the point to last desc of free list (output parameter)
  798. *
  799. * Return: number of descs allocated from free list.
  800. */
  801. uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id,
  802. struct rx_desc_pool *rx_desc_pool,
  803. uint16_t num_descs,
  804. union dp_rx_desc_list_elem_t **desc_list,
  805. union dp_rx_desc_list_elem_t **tail);
  806. /**
  807. * dp_rx_pdev_desc_pool_alloc() - allocate memory for software rx descriptor
  808. * pool
  809. * @pdev: core txrx pdev context
  810. *
  811. * Return: QDF_STATUS - QDF_STATUS_SUCCESS
  812. * QDF_STATUS_E_NOMEM
  813. */
  814. QDF_STATUS dp_rx_pdev_desc_pool_alloc(struct dp_pdev *pdev);
  815. /**
  816. * dp_rx_pdev_desc_pool_free() - free software rx descriptor pool
  817. * @pdev: core txrx pdev context
  818. */
  819. void dp_rx_pdev_desc_pool_free(struct dp_pdev *pdev);
  820. /**
  821. * dp_rx_pdev_desc_pool_init() - initialize software rx descriptors
  822. * @pdev: core txrx pdev context
  823. *
  824. * Return: QDF_STATUS - QDF_STATUS_SUCCESS
  825. * QDF_STATUS_E_NOMEM
  826. */
  827. QDF_STATUS dp_rx_pdev_desc_pool_init(struct dp_pdev *pdev);
  828. /**
  829. * dp_rx_pdev_desc_pool_deinit() - de-initialize software rx descriptor pools
  830. * @pdev: core txrx pdev context
  831. *
  832. * This function resets the freelist of rx descriptors and destroys locks
  833. * associated with this list of descriptors.
  834. */
  835. void dp_rx_pdev_desc_pool_deinit(struct dp_pdev *pdev);
  836. void dp_rx_desc_pool_deinit(struct dp_soc *soc,
  837. struct rx_desc_pool *rx_desc_pool,
  838. uint32_t pool_id);
  839. QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
  840. /**
  841. * dp_rx_pdev_buffers_alloc() - Allocate nbufs (skbs) and replenish RxDMA ring
  842. * @pdev: core txrx pdev context
  843. *
  844. * Return: QDF_STATUS - QDF_STATUS_SUCCESS
  845. * QDF_STATUS_E_NOMEM
  846. */
  847. QDF_STATUS dp_rx_pdev_buffers_alloc(struct dp_pdev *pdev);
  848. /**
  849. * dp_rx_pdev_buffers_free() - Free nbufs (skbs)
  850. * @pdev: core txrx pdev context
  851. */
  852. void dp_rx_pdev_buffers_free(struct dp_pdev *pdev);
  853. void dp_rx_pdev_detach(struct dp_pdev *pdev);
  854. /**
  855. * dp_print_napi_stats() - NAPI stats
  856. * @soc: soc handle
  857. */
  858. void dp_print_napi_stats(struct dp_soc *soc);
  859. /**
  860. * dp_rx_vdev_detach() - detach vdev from dp rx
  861. * @vdev: virtual device instance
  862. *
  863. * Return: QDF_STATUS_SUCCESS: success
  864. * QDF_STATUS_E_RESOURCES: Error return
  865. */
  866. QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev);
  867. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  868. uint32_t
  869. dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,
  870. uint8_t reo_ring_num,
  871. uint32_t quota);
  872. /**
  873. * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across
  874. * multiple nbufs.
  875. * @soc: core txrx main context
  876. * @nbuf: pointer to the first msdu of an amsdu.
  877. *
  878. * This function implements the creation of RX frag_list for cases
  879. * where an MSDU is spread across multiple nbufs.
  880. *
  881. * Return: returns the head nbuf which contains complete frag_list.
  882. */
  883. qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf);
  884. /**
  885. * dp_rx_is_sg_supported() - SG packets processing supported or not.
  886. *
  887. * Return: returns true when processing is supported else false.
  888. */
  889. bool dp_rx_is_sg_supported(void);
  890. /**
  891. * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during
  892. * de-initialization of wifi module.
  893. *
  894. * @soc: core txrx main context
  895. * @pool_id: pool_id which is one of 3 mac_ids
  896. * @rx_desc_pool: rx descriptor pool pointer
  897. *
  898. * Return: None
  899. */
  900. void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id,
  901. struct rx_desc_pool *rx_desc_pool);
  902. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  903. /**
  904. * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during
  905. * de-initialization of wifi module.
  906. *
  907. * @soc: core txrx main context
  908. * @rx_desc_pool: rx descriptor pool pointer
  909. * @is_mon_pool: true if this is a monitor pool
  910. *
  911. * Return: None
  912. */
  913. void dp_rx_desc_nbuf_free(struct dp_soc *soc,
  914. struct rx_desc_pool *rx_desc_pool,
  915. bool is_mon_pool);
  916. #ifdef DP_RX_MON_MEM_FRAG
  917. /**
  918. * dp_rx_desc_frag_free() - free the sw rx desc frag called during
  919. * de-initialization of wifi module.
  920. *
  921. * @soc: core txrx main context
  922. * @rx_desc_pool: rx descriptor pool pointer
  923. *
  924. * Return: None
  925. */
  926. void dp_rx_desc_frag_free(struct dp_soc *soc,
  927. struct rx_desc_pool *rx_desc_pool);
  928. #else
  929. static inline
  930. void dp_rx_desc_frag_free(struct dp_soc *soc,
  931. struct rx_desc_pool *rx_desc_pool)
  932. {
  933. }
  934. #endif
  935. /**
  936. * dp_rx_desc_pool_free() - free the sw rx desc array called during
  937. * de-initialization of wifi module.
  938. *
  939. * @soc: core txrx main context
  940. * @rx_desc_pool: rx descriptor pool pointer
  941. *
  942. * Return: None
  943. */
  944. void dp_rx_desc_pool_free(struct dp_soc *soc,
  945. struct rx_desc_pool *rx_desc_pool);
  946. /**
  947. * dp_rx_deliver_raw() - process RAW mode pkts and hand over the
  948. * pkts to RAW mode simulation to
  949. * decapsulate the pkt.
  950. * @vdev: vdev on which RAW mode is enabled
  951. * @nbuf_list: list of RAW pkts to process
  952. * @peer: peer object from which the pkt is rx
  953. * @link_id: link Id on which the packet is received
  954. *
  955. * Return: void
  956. */
  957. void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list,
  958. struct dp_txrx_peer *peer, uint8_t link_id);
  959. #ifdef RX_DESC_LOGGING
  960. /**
  961. * dp_rx_desc_alloc_dbg_info() - Alloc memory for rx descriptor debug
  962. * structure
  963. * @rx_desc: rx descriptor pointer
  964. *
  965. * Return: None
  966. */
  967. static inline
  968. void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
  969. {
  970. rx_desc->dbg_info = qdf_mem_malloc(sizeof(struct dp_rx_desc_dbg_info));
  971. }
  972. /**
  973. * dp_rx_desc_free_dbg_info() - Free rx descriptor debug
  974. * structure memory
  975. * @rx_desc: rx descriptor pointer
  976. *
  977. * Return: None
  978. */
  979. static inline
  980. void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
  981. {
  982. qdf_mem_free(rx_desc->dbg_info);
  983. }
  984. /**
  985. * dp_rx_desc_update_dbg_info() - Update rx descriptor debug info
  986. * structure memory
  987. * @rx_desc: rx descriptor pointer
  988. * @func_name: name of calling function
  989. * @flag:
  990. *
  991. * Return: None
  992. */
  993. static
  994. void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
  995. const char *func_name, uint8_t flag)
  996. {
  997. struct dp_rx_desc_dbg_info *info = rx_desc->dbg_info;
  998. if (!info)
  999. return;
  1000. if (flag == RX_DESC_REPLENISHED) {
  1001. qdf_str_lcopy(info->replenish_caller, func_name,
  1002. QDF_MEM_FUNC_NAME_SIZE);
  1003. info->replenish_ts = qdf_get_log_timestamp();
  1004. } else {
  1005. qdf_str_lcopy(info->freelist_caller, func_name,
  1006. QDF_MEM_FUNC_NAME_SIZE);
  1007. info->freelist_ts = qdf_get_log_timestamp();
  1008. info->prev_nbuf = rx_desc->nbuf;
  1009. info->prev_nbuf_data_addr = rx_desc->nbuf_data_addr;
  1010. rx_desc->nbuf_data_addr = NULL;
  1011. }
  1012. }
  1013. #else
  1014. static inline
  1015. void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
  1016. {
  1017. }
  1018. static inline
  1019. void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
  1020. {
  1021. }
  1022. static inline
  1023. void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
  1024. const char *func_name, uint8_t flag)
  1025. {
  1026. }
  1027. #endif /* RX_DESC_LOGGING */
  1028. /**
  1029. * __dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list
  1030. *
  1031. * @head: pointer to the head of local free list
  1032. * @tail: pointer to the tail of local free list
  1033. * @new: new descriptor that is added to the free list
  1034. * @func_name: caller func name
  1035. *
  1036. * Return: void:
  1037. */
  1038. static inline
  1039. void __dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head,
  1040. union dp_rx_desc_list_elem_t **tail,
  1041. struct dp_rx_desc *new, const char *func_name)
  1042. {
  1043. qdf_assert(head && new);
  1044. dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
  1045. new->nbuf = NULL;
  1046. new->in_use = 0;
  1047. ((union dp_rx_desc_list_elem_t *)new)->next = *head;
  1048. *head = (union dp_rx_desc_list_elem_t *)new;
  1049. /* reset tail if head->next is NULL */
  1050. if (!*tail || !(*head)->next)
  1051. *tail = *head;
  1052. }
  1053. /**
  1054. * dp_rx_process_invalid_peer(): Function to pass invalid peer list to umac
  1055. * @soc: DP SOC handle
  1056. * @nbuf: network buffer
  1057. * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
  1058. * pool_id has same mapping)
  1059. *
  1060. * Return: integer type
  1061. */
  1062. uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1063. uint8_t mac_id);
  1064. /**
  1065. * dp_rx_process_invalid_peer_wrapper(): Function to wrap invalid peer handler
  1066. * @soc: DP SOC handle
  1067. * @mpdu: mpdu for which peer is invalid
  1068. * @mpdu_done: if an mpdu is completed
  1069. * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
  1070. * pool_id has same mapping)
  1071. *
  1072. * Return: integer type
  1073. */
  1074. void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc,
  1075. qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id);
  1076. #define DP_RX_HEAD_APPEND(head, elem) \
  1077. do { \
  1078. qdf_nbuf_set_next((elem), (head)); \
  1079. (head) = (elem); \
  1080. } while (0)
  1081. #define DP_RX_LIST_APPEND(head, tail, elem) \
  1082. do { \
  1083. if (!(head)) { \
  1084. (head) = (elem); \
  1085. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\
  1086. } else { \
  1087. qdf_nbuf_set_next((tail), (elem)); \
  1088. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++; \
  1089. } \
  1090. (tail) = (elem); \
  1091. qdf_nbuf_set_next((tail), NULL); \
  1092. } while (0)
  1093. #define DP_RX_MERGE_TWO_LIST(phead, ptail, chead, ctail) \
  1094. do { \
  1095. if (!(phead)) { \
  1096. (phead) = (chead); \
  1097. } else { \
  1098. qdf_nbuf_set_next((ptail), (chead)); \
  1099. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(phead) += \
  1100. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(chead); \
  1101. } \
  1102. (ptail) = (ctail); \
  1103. qdf_nbuf_set_next((ptail), NULL); \
  1104. } while (0)
  1105. #if defined(QCA_PADDR_CHECK_ON_3RD_PARTY_PLATFORM)
  1106. /*
  1107. * on some third-party platform, the memory below 0x2000
  1108. * is reserved for target use, so any memory allocated in this
  1109. * region should not be used by host
  1110. */
  1111. #define MAX_RETRY 50
  1112. #define DP_PHY_ADDR_RESERVED 0x2000
  1113. #elif defined(BUILD_X86)
  1114. /*
  1115. * in M2M emulation platforms (x86) the memory below 0x50000000
  1116. * is reserved for target use, so any memory allocated in this
  1117. * region should not be used by host
  1118. */
  1119. #define MAX_RETRY 100
  1120. #define DP_PHY_ADDR_RESERVED 0x50000000
  1121. #endif
  1122. #if defined(QCA_PADDR_CHECK_ON_3RD_PARTY_PLATFORM) || defined(BUILD_X86)
  1123. /**
  1124. * dp_check_paddr() - check if current phy address is valid or not
  1125. * @dp_soc: core txrx main context
  1126. * @rx_netbuf: skb buffer
  1127. * @paddr: physical address
  1128. * @rx_desc_pool: struct of rx descriptor pool
  1129. * check if the physical address of the nbuf->data is less
  1130. * than DP_PHY_ADDR_RESERVED then free the nbuf and try
  1131. * allocating new nbuf. We can try for 100 times.
  1132. *
  1133. * This is a temp WAR till we fix it properly.
  1134. *
  1135. * Return: success or failure.
  1136. */
  1137. static inline
  1138. int dp_check_paddr(struct dp_soc *dp_soc,
  1139. qdf_nbuf_t *rx_netbuf,
  1140. qdf_dma_addr_t *paddr,
  1141. struct rx_desc_pool *rx_desc_pool)
  1142. {
  1143. uint32_t nbuf_retry = 0;
  1144. int32_t ret;
  1145. if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
  1146. return QDF_STATUS_SUCCESS;
  1147. do {
  1148. dp_debug("invalid phy addr 0x%llx, trying again",
  1149. (uint64_t)(*paddr));
  1150. nbuf_retry++;
  1151. if ((*rx_netbuf)) {
  1152. /* Not freeing buffer intentionally.
  1153. * Observed that same buffer is getting
  1154. * re-allocated resulting in longer load time
  1155. * WMI init timeout.
  1156. * This buffer is anyway not useful so skip it.
  1157. *.Add such buffer to invalid list and free
  1158. *.them when driver unload.
  1159. **/
  1160. qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
  1161. *rx_netbuf,
  1162. QDF_DMA_FROM_DEVICE,
  1163. rx_desc_pool->buf_size);
  1164. qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
  1165. *rx_netbuf);
  1166. }
  1167. *rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev,
  1168. rx_desc_pool->buf_size,
  1169. RX_BUFFER_RESERVATION,
  1170. rx_desc_pool->buf_alignment,
  1171. FALSE);
  1172. if (qdf_unlikely(!(*rx_netbuf)))
  1173. return QDF_STATUS_E_FAILURE;
  1174. ret = qdf_nbuf_map_nbytes_single(dp_soc->osdev,
  1175. *rx_netbuf,
  1176. QDF_DMA_FROM_DEVICE,
  1177. rx_desc_pool->buf_size);
  1178. if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) {
  1179. qdf_nbuf_free(*rx_netbuf);
  1180. *rx_netbuf = NULL;
  1181. continue;
  1182. }
  1183. *paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0);
  1184. if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
  1185. return QDF_STATUS_SUCCESS;
  1186. } while (nbuf_retry < MAX_RETRY);
  1187. if ((*rx_netbuf)) {
  1188. qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
  1189. *rx_netbuf,
  1190. QDF_DMA_FROM_DEVICE,
  1191. rx_desc_pool->buf_size);
  1192. qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
  1193. *rx_netbuf);
  1194. }
  1195. return QDF_STATUS_E_FAILURE;
  1196. }
  1197. #else
  1198. static inline
  1199. int dp_check_paddr(struct dp_soc *dp_soc,
  1200. qdf_nbuf_t *rx_netbuf,
  1201. qdf_dma_addr_t *paddr,
  1202. struct rx_desc_pool *rx_desc_pool)
  1203. {
  1204. return QDF_STATUS_SUCCESS;
  1205. }
  1206. #endif
  1207. /**
  1208. * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of
  1209. * the MSDU Link Descriptor
  1210. * @soc: core txrx main context
  1211. * @buf_info: buf_info includes cookie that is used to lookup
  1212. * virtual address of link descriptor after deriving the page id
  1213. * and the offset or index of the desc on the associatde page.
  1214. *
  1215. * This is the VA of the link descriptor, that HAL layer later uses to
  1216. * retrieve the list of MSDU's for a given MPDU.
  1217. *
  1218. * Return: void *: Virtual Address of the Rx descriptor
  1219. */
  1220. static inline
  1221. void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc,
  1222. struct hal_buf_info *buf_info)
  1223. {
  1224. void *link_desc_va;
  1225. struct qdf_mem_multi_page_t *pages;
  1226. uint16_t page_id = LINK_DESC_COOKIE_PAGE_ID(buf_info->sw_cookie);
  1227. pages = &soc->link_desc_pages;
  1228. if (!pages)
  1229. return NULL;
  1230. if (qdf_unlikely(page_id >= pages->num_pages))
  1231. return NULL;
  1232. link_desc_va = pages->dma_pages[page_id].page_v_addr_start +
  1233. (buf_info->paddr - pages->dma_pages[page_id].page_p_addr);
  1234. return link_desc_va;
  1235. }
  1236. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1237. #ifdef DISABLE_EAPOL_INTRABSS_FWD
  1238. #ifdef WLAN_FEATURE_11BE_MLO
  1239. static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
  1240. qdf_nbuf_t nbuf)
  1241. {
  1242. struct qdf_mac_addr *self_mld_mac_addr =
  1243. (struct qdf_mac_addr *)vdev->mld_mac_addr.raw;
  1244. return qdf_is_macaddr_equal(self_mld_mac_addr,
  1245. (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
  1246. QDF_NBUF_DEST_MAC_OFFSET);
  1247. }
  1248. #else
  1249. static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
  1250. qdf_nbuf_t nbuf)
  1251. {
  1252. return false;
  1253. }
  1254. #endif
  1255. static inline bool dp_nbuf_dst_addr_is_self_addr(struct dp_vdev *vdev,
  1256. qdf_nbuf_t nbuf)
  1257. {
  1258. return qdf_is_macaddr_equal((struct qdf_mac_addr *)vdev->mac_addr.raw,
  1259. (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
  1260. QDF_NBUF_DEST_MAC_OFFSET);
  1261. }
  1262. /**
  1263. * dp_rx_intrabss_eapol_drop_check() - API For EAPOL
  1264. * pkt with DA not equal to vdev mac addr, fwd is not allowed.
  1265. * @soc: core txrx main context
  1266. * @ta_txrx_peer: source peer entry
  1267. * @rx_tlv_hdr: start address of rx tlvs
  1268. * @nbuf: nbuf that has to be intrabss forwarded
  1269. *
  1270. * Return: true if it is forwarded else false
  1271. */
  1272. static inline
  1273. bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
  1274. struct dp_txrx_peer *ta_txrx_peer,
  1275. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
  1276. {
  1277. if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) &&
  1278. !(dp_nbuf_dst_addr_is_self_addr(ta_txrx_peer->vdev,
  1279. nbuf) ||
  1280. dp_nbuf_dst_addr_is_mld_addr(ta_txrx_peer->vdev,
  1281. nbuf)))) {
  1282. qdf_nbuf_free(nbuf);
  1283. DP_STATS_INC(soc, rx.err.intrabss_eapol_drop, 1);
  1284. return true;
  1285. }
  1286. return false;
  1287. }
  1288. #else /* DISABLE_EAPOL_INTRABSS_FWD */
  1289. static inline
  1290. bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
  1291. struct dp_txrx_peer *ta_txrx_peer,
  1292. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
  1293. {
  1294. return false;
  1295. }
  1296. #endif /* DISABLE_EAPOL_INTRABSS_FWD */
  1297. /**
  1298. * dp_rx_intrabss_mcbc_fwd() - Does intrabss forward for mcast packets
  1299. * @soc: core txrx main context
  1300. * @ta_peer: source peer entry
  1301. * @rx_tlv_hdr: start address of rx tlvs
  1302. * @nbuf: nbuf that has to be intrabss forwarded
  1303. * @tid_stats: tid stats pointer
  1304. * @link_id: link Id on which packet is received
  1305. *
  1306. * Return: bool: true if it is forwarded else false
  1307. */
  1308. bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc,
  1309. struct dp_txrx_peer *ta_peer,
  1310. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
  1311. struct cdp_tid_rx_stats *tid_stats,
  1312. uint8_t link_id);
  1313. /**
  1314. * dp_rx_intrabss_ucast_fwd() - Does intrabss forward for unicast packets
  1315. * @soc: core txrx main context
  1316. * @ta_peer: source peer entry
  1317. * @tx_vdev_id: VDEV ID for Intra-BSS TX
  1318. * @rx_tlv_hdr: start address of rx tlvs
  1319. * @nbuf: nbuf that has to be intrabss forwarded
  1320. * @tid_stats: tid stats pointer
  1321. * @link_id: link Id on which packet is received
  1322. *
  1323. * Return: bool: true if it is forwarded else false
  1324. */
  1325. bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc,
  1326. struct dp_txrx_peer *ta_peer,
  1327. uint8_t tx_vdev_id,
  1328. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
  1329. struct cdp_tid_rx_stats *tid_stats,
  1330. uint8_t link_id);
  1331. /**
  1332. * dp_rx_defrag_concat() - Concatenate the fragments
  1333. *
  1334. * @dst: destination pointer to the buffer
  1335. * @src: source pointer from where the fragment payload is to be copied
  1336. *
  1337. * Return: QDF_STATUS
  1338. */
  1339. static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src)
  1340. {
  1341. /*
  1342. * Inside qdf_nbuf_cat, if it is necessary to reallocate dst
  1343. * to provide space for src, the headroom portion is copied from
  1344. * the original dst buffer to the larger new dst buffer.
  1345. * (This is needed, because the headroom of the dst buffer
  1346. * contains the rx desc.)
  1347. */
  1348. if (!qdf_nbuf_cat(dst, src)) {
  1349. /*
  1350. * qdf_nbuf_cat does not free the src memory.
  1351. * Free src nbuf before returning
  1352. * For failure case the caller takes of freeing the nbuf
  1353. */
  1354. qdf_nbuf_free(src);
  1355. return QDF_STATUS_SUCCESS;
  1356. }
  1357. return QDF_STATUS_E_DEFRAG_ERROR;
  1358. }
  1359. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1360. #ifndef FEATURE_WDS
  1361. void dp_rx_da_learn(struct dp_soc *soc, uint8_t *rx_tlv_hdr,
  1362. struct dp_txrx_peer *ta_txrx_peer, qdf_nbuf_t nbuf);
  1363. static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active)
  1364. {
  1365. return QDF_STATUS_SUCCESS;
  1366. }
  1367. static inline void
  1368. dp_rx_wds_srcport_learn(struct dp_soc *soc,
  1369. uint8_t *rx_tlv_hdr,
  1370. struct dp_txrx_peer *txrx_peer,
  1371. qdf_nbuf_t nbuf,
  1372. struct hal_rx_msdu_metadata msdu_metadata)
  1373. {
  1374. }
  1375. static inline void
  1376. dp_rx_ipa_wds_srcport_learn(struct dp_soc *soc,
  1377. struct dp_peer *ta_peer, qdf_nbuf_t nbuf,
  1378. struct hal_rx_msdu_metadata msdu_end_info,
  1379. bool ad4_valid, bool chfrag_start)
  1380. {
  1381. }
  1382. #endif
  1383. /**
  1384. * dp_rx_desc_dump() - dump the sw rx descriptor
  1385. *
  1386. * @rx_desc: sw rx descriptor
  1387. */
  1388. static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc)
  1389. {
  1390. dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d",
  1391. rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id,
  1392. rx_desc->in_use, rx_desc->unmapped);
  1393. }
  1394. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1395. /**
  1396. * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet.
  1397. * In qwrap mode, packets originated from
  1398. * any vdev should not loopback and
  1399. * should be dropped.
  1400. * @vdev: vdev on which rx packet is received
  1401. * @nbuf: rx pkt
  1402. *
  1403. */
  1404. #if ATH_SUPPORT_WRAP
  1405. static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
  1406. qdf_nbuf_t nbuf)
  1407. {
  1408. struct dp_vdev *psta_vdev;
  1409. struct dp_pdev *pdev = vdev->pdev;
  1410. uint8_t *data = qdf_nbuf_data(nbuf);
  1411. if (qdf_unlikely(vdev->proxysta_vdev)) {
  1412. /* In qwrap isolation mode, allow loopback packets as all
  1413. * packets go to RootAP and Loopback on the mpsta.
  1414. */
  1415. if (vdev->isolation_vdev)
  1416. return false;
  1417. TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) {
  1418. if (qdf_unlikely(psta_vdev->proxysta_vdev &&
  1419. !qdf_mem_cmp(psta_vdev->mac_addr.raw,
  1420. &data[QDF_MAC_ADDR_SIZE],
  1421. QDF_MAC_ADDR_SIZE))) {
  1422. /* Drop packet if source address is equal to
  1423. * any of the vdev addresses.
  1424. */
  1425. return true;
  1426. }
  1427. }
  1428. }
  1429. return false;
  1430. }
  1431. #else
  1432. static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
  1433. qdf_nbuf_t nbuf)
  1434. {
  1435. return false;
  1436. }
  1437. #endif
  1438. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1439. #if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
  1440. defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\
  1441. defined(WLAN_SUPPORT_RX_FLOW_TAG)
  1442. #include "dp_rx_tag.h"
  1443. #endif
  1444. #if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\
  1445. !defined(WLAN_SUPPORT_RX_FLOW_TAG)
  1446. /**
  1447. * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
  1448. * and set the corresponding tag in QDF packet
  1449. * @soc: core txrx main context
  1450. * @vdev: vdev on which the packet is received
  1451. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1452. * @rx_tlv_hdr: rBbase address where the RX TLVs starts
  1453. * @ring_index: REO ring number, not used for error & monitor ring
  1454. * @is_reo_exception: flag to indicate if rx from REO ring or exception ring
  1455. * @is_update_stats: flag to indicate whether to update stats or not
  1456. *
  1457. * Return: void
  1458. */
  1459. static inline void
  1460. dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
  1461. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
  1462. uint16_t ring_index,
  1463. bool is_reo_exception, bool is_update_stats)
  1464. {
  1465. }
  1466. #endif
  1467. #ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
  1468. /**
  1469. * dp_rx_err_cce_drop() - Reads CCE metadata from the RX MSDU end TLV
  1470. * and returns whether cce metadata matches
  1471. * @soc: core txrx main context
  1472. * @vdev: vdev on which the packet is received
  1473. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1474. * @rx_tlv_hdr: rBbase address where the RX TLVs starts
  1475. *
  1476. * Return: bool
  1477. */
  1478. static inline bool
  1479. dp_rx_err_cce_drop(struct dp_soc *soc, struct dp_vdev *vdev,
  1480. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
  1481. {
  1482. return false;
  1483. }
  1484. #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
  1485. #ifndef WLAN_SUPPORT_RX_FLOW_TAG
  1486. /**
  1487. * dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
  1488. * and set the corresponding tag in QDF packet
  1489. * @soc: core txrx main context
  1490. * @vdev: vdev on which the packet is received
  1491. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1492. * @rx_tlv_hdr: base address where the RX TLVs starts
  1493. * @update_stats: flag to indicate whether to update stats or not
  1494. *
  1495. * Return: void
  1496. */
  1497. static inline void
  1498. dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
  1499. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
  1500. {
  1501. }
  1502. #endif /* WLAN_SUPPORT_RX_FLOW_TAG */
  1503. #define CRITICAL_BUFFER_THRESHOLD 64
  1504. /**
  1505. * __dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs
  1506. * called during dp rx initialization
  1507. * and at the end of dp_rx_process.
  1508. *
  1509. * @dp_soc: core txrx main context
  1510. * @mac_id: mac_id which is one of 3 mac_ids
  1511. * @dp_rxdma_srng: dp rxdma circular ring
  1512. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1513. * @num_req_buffers: number of buffer to be replenished
  1514. * @desc_list: list of descs if called from dp_rx_process
  1515. * or NULL during dp rx initialization or out of buffer
  1516. * interrupt.
  1517. * @tail: tail of descs list
  1518. * @req_only: If true don't replenish more than req buffers
  1519. * @force_replenish: replenish full ring without limit check this
  1520. * this field will be considered only when desc_list
  1521. * is NULL and req_only is false
  1522. * @func_name: name of the caller function
  1523. *
  1524. * Return: return success or failure
  1525. */
  1526. QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1527. struct dp_srng *dp_rxdma_srng,
  1528. struct rx_desc_pool *rx_desc_pool,
  1529. uint32_t num_req_buffers,
  1530. union dp_rx_desc_list_elem_t **desc_list,
  1531. union dp_rx_desc_list_elem_t **tail,
  1532. bool req_only,
  1533. bool force_replenish,
  1534. const char *func_name);
  1535. /**
  1536. * __dp_rx_buffers_no_map_replenish() - replenish rxdma ring with rx nbufs
  1537. * use direct APIs to get invalidate
  1538. * and get the physical address of the
  1539. * nbuf instead of map api,called during
  1540. * dp rx initialization and at the end
  1541. * of dp_rx_process.
  1542. *
  1543. * @dp_soc: core txrx main context
  1544. * @mac_id: mac_id which is one of 3 mac_ids
  1545. * @dp_rxdma_srng: dp rxdma circular ring
  1546. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1547. * @num_req_buffers: number of buffer to be replenished
  1548. * @desc_list: list of descs if called from dp_rx_process
  1549. * or NULL during dp rx initialization or out of buffer
  1550. * interrupt.
  1551. * @tail: tail of descs list
  1552. *
  1553. * Return: return success or failure
  1554. */
  1555. QDF_STATUS
  1556. __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1557. struct dp_srng *dp_rxdma_srng,
  1558. struct rx_desc_pool *rx_desc_pool,
  1559. uint32_t num_req_buffers,
  1560. union dp_rx_desc_list_elem_t **desc_list,
  1561. union dp_rx_desc_list_elem_t **tail);
  1562. /**
  1563. * __dp_rx_comp2refill_replenish() - replenish rxdma ring with rx nbufs
  1564. * use direct APIs to get invalidate
  1565. * and get the physical address of the
  1566. * nbuf instead of map api,called during
  1567. * dp rx initialization and at the end
  1568. * of dp_rx_process.
  1569. *
  1570. * @dp_soc: core txrx main context
  1571. * @mac_id: mac_id which is one of 3 mac_ids
  1572. * @dp_rxdma_srng: dp rxdma circular ring
  1573. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1574. * @num_req_buffers: number of buffer to be replenished
  1575. * @desc_list: list of descs if called from dp_rx_process
  1576. * or NULL during dp rx initialization or out of buffer
  1577. * interrupt.
  1578. * @tail: tail of descs list
  1579. * Return: return success or failure
  1580. */
  1581. QDF_STATUS
  1582. __dp_rx_comp2refill_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1583. struct dp_srng *dp_rxdma_srng,
  1584. struct rx_desc_pool *rx_desc_pool,
  1585. uint32_t num_req_buffers,
  1586. union dp_rx_desc_list_elem_t **desc_list,
  1587. union dp_rx_desc_list_elem_t **tail);
  1588. /**
  1589. * __dp_rx_buffers_no_map_lt_replenish() - replenish rxdma ring with rx nbufs
  1590. * use direct APIs to get invalidate
  1591. * and get the physical address of the
  1592. * nbuf instead of map api,called when
  1593. * low threshold interrupt is triggered
  1594. *
  1595. * @dp_soc: core txrx main context
  1596. * @mac_id: mac_id which is one of 3 mac_ids
  1597. * @dp_rxdma_srng: dp rxdma circular ring
  1598. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1599. * @force_replenish: Force replenish the ring fully
  1600. *
  1601. * Return: return success or failure
  1602. */
  1603. QDF_STATUS
  1604. __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1605. struct dp_srng *dp_rxdma_srng,
  1606. struct rx_desc_pool *rx_desc_pool,
  1607. bool force_replenish);
  1608. /**
  1609. * __dp_pdev_rx_buffers_no_map_attach() - replenish rxdma ring with rx nbufs
  1610. * use direct APIs to get invalidate
  1611. * and get the physical address of the
  1612. * nbuf instead of map api,called during
  1613. * dp rx initialization.
  1614. *
  1615. * @dp_soc: core txrx main context
  1616. * @mac_id: mac_id which is one of 3 mac_ids
  1617. * @dp_rxdma_srng: dp rxdma circular ring
  1618. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1619. * @num_req_buffers: number of buffer to be replenished
  1620. *
  1621. * Return: return success or failure
  1622. */
  1623. QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *dp_soc,
  1624. uint32_t mac_id,
  1625. struct dp_srng *dp_rxdma_srng,
  1626. struct rx_desc_pool *rx_desc_pool,
  1627. uint32_t num_req_buffers);
  1628. /**
  1629. * dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs
  1630. * called during dp rx initialization
  1631. *
  1632. * @dp_soc: core txrx main context
  1633. * @mac_id: mac_id which is one of 3 mac_ids
  1634. * @dp_rxdma_srng: dp rxdma circular ring
  1635. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1636. * @num_req_buffers: number of buffer to be replenished
  1637. *
  1638. * Return: return success or failure
  1639. */
  1640. QDF_STATUS
  1641. dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
  1642. struct dp_srng *dp_rxdma_srng,
  1643. struct rx_desc_pool *rx_desc_pool,
  1644. uint32_t num_req_buffers);
  1645. /**
  1646. * dp_rx_fill_mesh_stats() - Fills the mesh per packet receive stats
  1647. * @vdev: DP Virtual device handle
  1648. * @nbuf: Buffer pointer
  1649. * @rx_tlv_hdr: start of rx tlv header
  1650. * @txrx_peer: pointer to peer
  1651. *
  1652. * This function allocated memory for mesh receive stats and fill the
  1653. * required stats. Stores the memory address in skb cb.
  1654. *
  1655. * Return: void
  1656. */
  1657. void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
  1658. uint8_t *rx_tlv_hdr,
  1659. struct dp_txrx_peer *txrx_peer);
  1660. /**
  1661. * dp_rx_filter_mesh_packets() - Filters mesh unwanted packets
  1662. * @vdev: DP Virtual device handle
  1663. * @nbuf: Buffer pointer
  1664. * @rx_tlv_hdr: start of rx tlv header
  1665. *
  1666. * This checks if the received packet is matching any filter out
  1667. * catogery and and drop the packet if it matches.
  1668. *
  1669. * Return: QDF_STATUS_SUCCESS indicates drop,
  1670. * QDF_STATUS_E_FAILURE indicate to not drop
  1671. */
  1672. QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
  1673. uint8_t *rx_tlv_hdr);
  1674. int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev,
  1675. struct dp_txrx_peer *peer);
  1676. /**
  1677. * dp_rx_compute_delay() - Compute and fill in all timestamps
  1678. * to pass in correct fields
  1679. * @vdev: pdev handle
  1680. * @nbuf: network buffer
  1681. *
  1682. * Return: none
  1683. */
  1684. void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
  1685. #ifdef QCA_PEER_EXT_STATS
  1686. /**
  1687. * dp_rx_compute_tid_delay - Compute per TID delay stats
  1688. * @stats: TID delay stats to update
  1689. * @nbuf: NBuffer
  1690. *
  1691. * Return: Void
  1692. */
  1693. void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
  1694. qdf_nbuf_t nbuf);
  1695. #endif /* QCA_PEER_EXT_STATS */
  1696. #ifdef WLAN_SUPPORT_PPEDS
  1697. static inline
  1698. void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
  1699. {
  1700. rx_desc->reuse_nbuf = nbuf;
  1701. rx_desc->has_reuse_nbuf = true;
  1702. }
  1703. /**
  1704. * __dp_rx_add_to_free_desc_list_reuse() - Adds to a local free descriptor list
  1705. * this list will reused
  1706. *
  1707. * @head: pointer to the head of local free list
  1708. * @tail: pointer to the tail of local free list
  1709. * @new: new descriptor that is added to the free list
  1710. * @func_name: caller func name
  1711. *
  1712. * Return: void:
  1713. */
  1714. static inline
  1715. void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
  1716. union dp_rx_desc_list_elem_t **tail,
  1717. struct dp_rx_desc *new,
  1718. const char *func_name)
  1719. {
  1720. qdf_assert(head && new);
  1721. dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
  1722. new->nbuf = NULL;
  1723. ((union dp_rx_desc_list_elem_t *)new)->next = *head;
  1724. *head = (union dp_rx_desc_list_elem_t *)new;
  1725. /* reset tail if head->next is NULL */
  1726. if (!*tail || !(*head)->next)
  1727. *tail = *head;
  1728. }
  1729. #else
  1730. static inline
  1731. void dp_rx_set_reuse_nbuf(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
  1732. {
  1733. }
  1734. static inline
  1735. void __dp_rx_add_to_free_desc_list_reuse(union dp_rx_desc_list_elem_t **head,
  1736. union dp_rx_desc_list_elem_t **tail,
  1737. struct dp_rx_desc *new,
  1738. const char *func_name)
  1739. {
  1740. }
  1741. #endif
  1742. #ifdef RX_DESC_DEBUG_CHECK
  1743. /**
  1744. * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
  1745. * @rx_desc: rx descriptor pointer
  1746. *
  1747. * Return: true, if magic is correct, else false.
  1748. */
  1749. static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
  1750. {
  1751. if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC))
  1752. return false;
  1753. rx_desc->magic = 0;
  1754. return true;
  1755. }
  1756. /**
  1757. * dp_rx_desc_prep() - prepare rx desc
  1758. * @rx_desc: rx descriptor pointer to be prepared
  1759. * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
  1760. *
  1761. * Note: assumption is that we are associating a nbuf which is mapped
  1762. *
  1763. * Return: none
  1764. */
  1765. static inline
  1766. void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
  1767. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1768. {
  1769. rx_desc->magic = DP_RX_DESC_MAGIC;
  1770. rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
  1771. rx_desc->unmapped = 0;
  1772. rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf);
  1773. dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
  1774. rx_desc->prev_paddr_buf_start = rx_desc->paddr_buf_start;
  1775. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1776. }
  1777. /**
  1778. * dp_rx_desc_frag_prep() - prepare rx desc
  1779. * @rx_desc: rx descriptor pointer to be prepared
  1780. * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
  1781. *
  1782. * Note: assumption is that we frag address is mapped
  1783. *
  1784. * Return: none
  1785. */
  1786. #ifdef DP_RX_MON_MEM_FRAG
  1787. static inline
  1788. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1789. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1790. {
  1791. rx_desc->magic = DP_RX_DESC_MAGIC;
  1792. rx_desc->rx_buf_start =
  1793. (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
  1794. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1795. rx_desc->unmapped = 0;
  1796. }
  1797. #else
  1798. static inline
  1799. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1800. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1801. {
  1802. }
  1803. #endif /* DP_RX_MON_MEM_FRAG */
  1804. /**
  1805. * dp_rx_desc_paddr_sanity_check() - paddr sanity for ring desc vs rx_desc
  1806. * @rx_desc: rx descriptor
  1807. * @ring_paddr: paddr obatined from the ring
  1808. *
  1809. * Return: QDF_STATUS
  1810. */
  1811. static inline
  1812. bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
  1813. uint64_t ring_paddr)
  1814. {
  1815. return (ring_paddr == qdf_nbuf_get_frag_paddr(rx_desc->nbuf, 0));
  1816. }
  1817. #else
  1818. static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
  1819. {
  1820. return true;
  1821. }
  1822. static inline
  1823. void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
  1824. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1825. {
  1826. rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
  1827. dp_rx_set_reuse_nbuf(rx_desc, rx_desc->nbuf);
  1828. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1829. rx_desc->unmapped = 0;
  1830. }
  1831. #ifdef DP_RX_MON_MEM_FRAG
  1832. static inline
  1833. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1834. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1835. {
  1836. rx_desc->rx_buf_start =
  1837. (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
  1838. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1839. rx_desc->unmapped = 0;
  1840. }
  1841. #else
  1842. static inline
  1843. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1844. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1845. {
  1846. }
  1847. #endif /* DP_RX_MON_MEM_FRAG */
  1848. static inline
  1849. bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
  1850. uint64_t ring_paddr)
  1851. {
  1852. return true;
  1853. }
  1854. #endif /* RX_DESC_DEBUG_CHECK */
  1855. /**
  1856. * dp_rx_enable_mon_dest_frag() - Enable frag processing for
  1857. * monitor destination ring via frag.
  1858. * @rx_desc_pool: Rx desc pool
  1859. * @is_mon_dest_desc: Is it for monitor dest buffer
  1860. *
  1861. * Enable this flag only for monitor destination buffer processing
  1862. * if DP_RX_MON_MEM_FRAG feature is enabled.
  1863. * If flag is set then frag based function will be called for alloc,
  1864. * map, prep desc and free ops for desc buffer else normal nbuf based
  1865. * function will be called.
  1866. *
  1867. * Return: None
  1868. */
  1869. void dp_rx_enable_mon_dest_frag(struct rx_desc_pool *rx_desc_pool,
  1870. bool is_mon_dest_desc);
  1871. #ifndef QCA_MULTIPASS_SUPPORT
  1872. static inline
  1873. bool dp_rx_multipass_process(struct dp_txrx_peer *peer, qdf_nbuf_t nbuf,
  1874. uint8_t tid)
  1875. {
  1876. return false;
  1877. }
  1878. #else
  1879. /**
  1880. * dp_rx_multipass_process - insert vlan tag on frames for traffic separation
  1881. * @txrx_peer: DP txrx peer handle
  1882. * @nbuf: skb
  1883. * @tid: traffic priority
  1884. *
  1885. * Return: bool: true in case of success else false
  1886. * Success is considered if:
  1887. * i. If frame has vlan header
  1888. * ii. If the frame comes from different peer and dont need multipass processing
  1889. * Failure is considered if:
  1890. * i. Frame comes from multipass peer but doesn't contain vlan header.
  1891. * In failure case, drop such frames.
  1892. */
  1893. bool dp_rx_multipass_process(struct dp_txrx_peer *txrx_peer, qdf_nbuf_t nbuf,
  1894. uint8_t tid);
  1895. #endif
  1896. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1897. #ifndef WLAN_RX_PKT_CAPTURE_ENH
  1898. static inline
  1899. QDF_STATUS dp_peer_set_rx_capture_enabled(struct dp_pdev *pdev,
  1900. struct dp_peer *peer_handle,
  1901. bool value, uint8_t *mac_addr)
  1902. {
  1903. return QDF_STATUS_SUCCESS;
  1904. }
  1905. #endif
  1906. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1907. /**
  1908. * dp_rx_deliver_to_stack() - deliver pkts to network stack
  1909. * Caller to hold peer refcount and check for valid peer
  1910. * @soc: soc
  1911. * @vdev: vdev
  1912. * @peer: txrx peer
  1913. * @nbuf_head: skb list head
  1914. * @nbuf_tail: skb list tail
  1915. *
  1916. * Return: QDF_STATUS
  1917. */
  1918. QDF_STATUS dp_rx_deliver_to_stack(struct dp_soc *soc,
  1919. struct dp_vdev *vdev,
  1920. struct dp_txrx_peer *peer,
  1921. qdf_nbuf_t nbuf_head,
  1922. qdf_nbuf_t nbuf_tail);
  1923. #ifdef QCA_SUPPORT_EAPOL_OVER_CONTROL_PORT
  1924. /**
  1925. * dp_rx_eapol_deliver_to_stack() - deliver pkts to network stack
  1926. * caller to hold peer refcount and check for valid peer
  1927. * @soc: soc
  1928. * @vdev: vdev
  1929. * @peer: peer
  1930. * @nbuf_head: skb list head
  1931. * @nbuf_tail: skb list tail
  1932. *
  1933. * Return: QDF_STATUS
  1934. */
  1935. QDF_STATUS dp_rx_eapol_deliver_to_stack(struct dp_soc *soc,
  1936. struct dp_vdev *vdev,
  1937. struct dp_txrx_peer *peer,
  1938. qdf_nbuf_t nbuf_head,
  1939. qdf_nbuf_t nbuf_tail);
  1940. #endif
  1941. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1942. #ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL
  1943. #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
  1944. do { \
  1945. if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \
  1946. DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf); \
  1947. break; \
  1948. } \
  1949. DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf); \
  1950. if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) { \
  1951. if (!dp_rx_buffer_pool_refill(soc, ebuf_head, \
  1952. rx_desc->pool_id)) \
  1953. DP_RX_MERGE_TWO_LIST(head, tail, \
  1954. ebuf_head, ebuf_tail);\
  1955. ebuf_head = NULL; \
  1956. ebuf_tail = NULL; \
  1957. } \
  1958. } while (0)
  1959. #else
  1960. #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
  1961. DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf)
  1962. #endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */
  1963. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1964. #ifdef WLAN_FEATURE_PKT_CAPTURE_V2
  1965. /**
  1966. * dp_rx_deliver_to_pkt_capture() - deliver rx packet to packet capture
  1967. * @soc : dp_soc handle
  1968. * @pdev: dp_pdev handle
  1969. * @peer_id: peer_id of the peer for which completion came
  1970. * @is_offload:
  1971. * @netbuf: Buffer pointer
  1972. *
  1973. * This function is used to deliver rx packet to packet capture
  1974. */
  1975. void dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev,
  1976. uint16_t peer_id, uint32_t is_offload,
  1977. qdf_nbuf_t netbuf);
  1978. void dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1979. uint32_t is_offload);
  1980. #else
  1981. static inline void
  1982. dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev,
  1983. uint16_t peer_id, uint32_t is_offload,
  1984. qdf_nbuf_t netbuf)
  1985. {
  1986. }
  1987. static inline void
  1988. dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1989. uint32_t is_offload)
  1990. {
  1991. }
  1992. #endif
  1993. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1994. #ifdef FEATURE_MEC
  1995. /**
  1996. * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop
  1997. * back on same vap or a different vap.
  1998. * @soc: core DP main context
  1999. * @peer: dp peer handler
  2000. * @rx_tlv_hdr: start of the rx TLV header
  2001. * @nbuf: pkt buffer
  2002. *
  2003. * Return: bool (true if it is a looped back pkt else false)
  2004. *
  2005. */
  2006. bool dp_rx_mcast_echo_check(struct dp_soc *soc,
  2007. struct dp_txrx_peer *peer,
  2008. uint8_t *rx_tlv_hdr,
  2009. qdf_nbuf_t nbuf);
  2010. #else
  2011. static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc,
  2012. struct dp_txrx_peer *peer,
  2013. uint8_t *rx_tlv_hdr,
  2014. qdf_nbuf_t nbuf)
  2015. {
  2016. return false;
  2017. }
  2018. #endif /* FEATURE_MEC */
  2019. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  2020. #ifdef RECEIVE_OFFLOAD
  2021. /**
  2022. * dp_rx_fill_gro_info() - Fill GRO info from RX TLV into skb->cb
  2023. * @soc: DP SOC handle
  2024. * @rx_tlv: RX TLV received for the msdu
  2025. * @msdu: msdu for which GRO info needs to be filled
  2026. * @rx_ol_pkt_cnt: counter to be incremented for GRO eligible packets
  2027. *
  2028. * Return: None
  2029. */
  2030. void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
  2031. qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt);
  2032. #else
  2033. static inline
  2034. void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
  2035. qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt)
  2036. {
  2037. }
  2038. #endif
  2039. /**
  2040. * dp_rx_msdu_stats_update() - update per msdu stats.
  2041. * @soc: core txrx main context
  2042. * @nbuf: pointer to the first msdu of an amsdu.
  2043. * @rx_tlv_hdr: pointer to the start of RX TLV headers.
  2044. * @txrx_peer: pointer to the txrx peer object.
  2045. * @ring_id: reo dest ring number on which pkt is reaped.
  2046. * @tid_stats: per tid rx stats.
  2047. * @link_id: link Id on which packet is received
  2048. *
  2049. * update all the per msdu stats for that nbuf.
  2050. *
  2051. * Return: void
  2052. */
  2053. void dp_rx_msdu_stats_update(struct dp_soc *soc, qdf_nbuf_t nbuf,
  2054. uint8_t *rx_tlv_hdr,
  2055. struct dp_txrx_peer *txrx_peer,
  2056. uint8_t ring_id,
  2057. struct cdp_tid_rx_stats *tid_stats,
  2058. uint8_t link_id);
  2059. /**
  2060. * dp_rx_deliver_to_stack_no_peer() - try deliver rx data even if
  2061. * no corresbonding peer found
  2062. * @soc: core txrx main context
  2063. * @nbuf: pkt skb pointer
  2064. *
  2065. * This function will try to deliver some RX special frames to stack
  2066. * even there is no peer matched found. for instance, LFR case, some
  2067. * eapol data will be sent to host before peer_map done.
  2068. *
  2069. * Return: None
  2070. */
  2071. void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf);
  2072. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  2073. #ifdef DP_RX_DROP_RAW_FRM
  2074. /**
  2075. * dp_rx_is_raw_frame_dropped() - if raw frame nbuf, free and drop
  2076. * @nbuf: pkt skb pointer
  2077. *
  2078. * Return: true - raw frame, dropped
  2079. * false - not raw frame, do nothing
  2080. */
  2081. bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf);
  2082. #else
  2083. static inline
  2084. bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf)
  2085. {
  2086. return false;
  2087. }
  2088. #endif
  2089. #ifdef WLAN_DP_FEATURE_SW_LATENCY_MGR
  2090. /**
  2091. * dp_rx_update_stats() - Update soc level rx packet count
  2092. * @soc: DP soc handle
  2093. * @nbuf: nbuf received
  2094. *
  2095. * Return: none
  2096. */
  2097. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
  2098. #else
  2099. static inline
  2100. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf)
  2101. {
  2102. }
  2103. #endif
  2104. /**
  2105. * dp_rx_cksum_offload() - set the nbuf checksum as defined by hardware.
  2106. * @pdev: dp_pdev handle
  2107. * @nbuf: pointer to the first msdu of an amsdu.
  2108. * @rx_tlv_hdr: pointer to the start of RX TLV headers.
  2109. *
  2110. * The ipsumed field of the skb is set based on whether HW validated the
  2111. * IP/TCP/UDP checksum.
  2112. *
  2113. * Return: void
  2114. */
  2115. #if defined(MAX_PDEV_CNT) && (MAX_PDEV_CNT == 1)
  2116. static inline
  2117. void dp_rx_cksum_offload(struct dp_pdev *pdev,
  2118. qdf_nbuf_t nbuf,
  2119. uint8_t *rx_tlv_hdr)
  2120. {
  2121. qdf_nbuf_rx_cksum_t cksum = {0};
  2122. //TODO - Move this to ring desc api
  2123. //HAL_RX_MSDU_DESC_IP_CHKSUM_FAIL_GET
  2124. //HAL_RX_MSDU_DESC_TCP_UDP_CHKSUM_FAIL_GET
  2125. uint32_t ip_csum_err, tcp_udp_csum_er;
  2126. hal_rx_tlv_csum_err_get(pdev->soc->hal_soc, rx_tlv_hdr, &ip_csum_err,
  2127. &tcp_udp_csum_er);
  2128. if (qdf_nbuf_is_ipv4_pkt(nbuf)) {
  2129. if (qdf_likely(!ip_csum_err)) {
  2130. cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
  2131. if (qdf_nbuf_is_ipv4_udp_pkt(nbuf) ||
  2132. qdf_nbuf_is_ipv4_tcp_pkt(nbuf)) {
  2133. if (qdf_likely(!tcp_udp_csum_er)) {
  2134. cksum.csum_level = 1;
  2135. } else {
  2136. cksum.l4_result =
  2137. QDF_NBUF_RX_CKSUM_NONE;
  2138. DP_STATS_INC(pdev,
  2139. err.tcp_udp_csum_err, 1);
  2140. }
  2141. }
  2142. } else {
  2143. DP_STATS_INC(pdev, err.ip_csum_err, 1);
  2144. }
  2145. } else if (qdf_nbuf_is_ipv6_udp_pkt(nbuf) ||
  2146. qdf_nbuf_is_ipv6_tcp_pkt(nbuf)) {
  2147. if (qdf_likely(!ip_csum_err && !tcp_udp_csum_er))
  2148. cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
  2149. else if (ip_csum_err) {
  2150. DP_STATS_INC(pdev, err.ip_csum_err, 1);
  2151. } else {
  2152. DP_STATS_INC(pdev, err.tcp_udp_csum_err, 1);
  2153. }
  2154. }
  2155. qdf_nbuf_set_rx_cksum(nbuf, &cksum);
  2156. }
  2157. #else
  2158. static inline
  2159. void dp_rx_cksum_offload(struct dp_pdev *pdev,
  2160. qdf_nbuf_t nbuf,
  2161. uint8_t *rx_tlv_hdr)
  2162. {
  2163. }
  2164. #endif
  2165. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  2166. #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
  2167. static inline
  2168. bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
  2169. int max_reap_limit)
  2170. {
  2171. bool limit_hit = false;
  2172. limit_hit =
  2173. (num_reaped >= max_reap_limit) ? true : false;
  2174. if (limit_hit)
  2175. DP_STATS_INC(soc, rx.reap_loop_pkt_limit_hit, 1)
  2176. return limit_hit;
  2177. }
  2178. static inline
  2179. bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
  2180. {
  2181. return soc->wlan_cfg_ctx->rx_enable_eol_data_check;
  2182. }
  2183. static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
  2184. {
  2185. struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
  2186. return cfg->rx_reap_loop_pkt_limit;
  2187. }
  2188. #else
  2189. static inline
  2190. bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
  2191. int max_reap_limit)
  2192. {
  2193. return false;
  2194. }
  2195. static inline
  2196. bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
  2197. {
  2198. return false;
  2199. }
  2200. static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
  2201. {
  2202. return 0;
  2203. }
  2204. #endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */
  2205. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
  2206. static inline uint16_t
  2207. dp_rx_peer_metadata_peer_id_get(struct dp_soc *soc, uint32_t peer_metadata)
  2208. {
  2209. return soc->arch_ops.dp_rx_peer_metadata_peer_id_get(soc,
  2210. peer_metadata);
  2211. }
  2212. #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
  2213. /**
  2214. * dp_rx_nbuf_set_link_id_from_tlv() - Set link id in nbuf cb
  2215. * @soc: SOC handle
  2216. * @tlv_hdr: rx tlv header
  2217. * @nbuf: nbuf pointer
  2218. *
  2219. * Return: None
  2220. */
  2221. static inline void
  2222. dp_rx_nbuf_set_link_id_from_tlv(struct dp_soc *soc, uint8_t *tlv_hdr,
  2223. qdf_nbuf_t nbuf)
  2224. {
  2225. uint32_t peer_metadata = hal_rx_tlv_peer_meta_data_get(soc->hal_soc,
  2226. tlv_hdr);
  2227. if (soc->arch_ops.dp_rx_peer_set_link_id)
  2228. soc->arch_ops.dp_rx_peer_set_link_id(nbuf, peer_metadata);
  2229. }
  2230. /**
  2231. * dp_rx_set_nbuf_band() - Set band info in nbuf cb
  2232. * @nbuf: nbuf pointer
  2233. * @txrx_peer: txrx_peer pointer
  2234. * @link_id: Peer Link ID
  2235. *
  2236. * Returen: None
  2237. */
  2238. static inline void
  2239. dp_rx_set_nbuf_band(qdf_nbuf_t nbuf, struct dp_txrx_peer *txrx_peer,
  2240. uint8_t link_id)
  2241. {
  2242. qdf_nbuf_rx_set_band(nbuf, txrx_peer->band[link_id]);
  2243. }
  2244. #else
  2245. static inline void
  2246. dp_rx_nbuf_set_link_id_from_tlv(struct dp_soc *soc, uint8_t *tlv_hdr,
  2247. qdf_nbuf_t nbuf)
  2248. {
  2249. }
  2250. static inline void
  2251. dp_rx_set_nbuf_band(qdf_nbuf_t nbuf, struct dp_txrx_peer *txrx_peer,
  2252. uint8_t link_id)
  2253. {
  2254. }
  2255. #endif
  2256. /**
  2257. * dp_rx_desc_pool_init_generic() - Generic Rx descriptors initialization
  2258. * @soc: SOC handle
  2259. * @rx_desc_pool: pointer to RX descriptor pool
  2260. * @pool_id: pool ID
  2261. *
  2262. * Return: None
  2263. */
  2264. QDF_STATUS dp_rx_desc_pool_init_generic(struct dp_soc *soc,
  2265. struct rx_desc_pool *rx_desc_pool,
  2266. uint32_t pool_id);
  2267. void dp_rx_desc_pool_deinit_generic(struct dp_soc *soc,
  2268. struct rx_desc_pool *rx_desc_pool,
  2269. uint32_t pool_id);
  2270. /**
  2271. * dp_rx_pkt_tracepoints_enabled() - Get the state of rx pkt tracepoint
  2272. *
  2273. * Return: True if any rx pkt tracepoint is enabled else false
  2274. */
  2275. static inline
  2276. bool dp_rx_pkt_tracepoints_enabled(void)
  2277. {
  2278. return (qdf_trace_dp_rx_tcp_pkt_enabled() ||
  2279. qdf_trace_dp_rx_udp_pkt_enabled() ||
  2280. qdf_trace_dp_rx_pkt_enabled());
  2281. }
  2282. #ifdef FEATURE_DIRECT_LINK
  2283. /**
  2284. * dp_audio_smmu_map()- Map memory region into Audio SMMU CB
  2285. * @qdf_dev: pointer to QDF device structure
  2286. * @paddr: physical address
  2287. * @iova: DMA address
  2288. * @size: memory region size
  2289. *
  2290. * Return: 0 on success else failure code
  2291. */
  2292. static inline
  2293. int dp_audio_smmu_map(qdf_device_t qdf_dev, qdf_dma_addr_t paddr,
  2294. qdf_dma_addr_t iova, qdf_size_t size)
  2295. {
  2296. return pld_audio_smmu_map(qdf_dev->dev, paddr, iova, size);
  2297. }
  2298. /**
  2299. * dp_audio_smmu_unmap()- Remove memory region mapping from Audio SMMU CB
  2300. * @qdf_dev: pointer to QDF device structure
  2301. * @iova: DMA address
  2302. * @size: memory region size
  2303. *
  2304. * Return: None
  2305. */
  2306. static inline
  2307. void dp_audio_smmu_unmap(qdf_device_t qdf_dev, qdf_dma_addr_t iova,
  2308. qdf_size_t size)
  2309. {
  2310. pld_audio_smmu_unmap(qdf_dev->dev, iova, size);
  2311. }
  2312. #else
  2313. static inline
  2314. int dp_audio_smmu_map(qdf_device_t qdf_dev, qdf_dma_addr_t paddr,
  2315. qdf_dma_addr_t iova, qdf_size_t size)
  2316. {
  2317. return 0;
  2318. }
  2319. static inline
  2320. void dp_audio_smmu_unmap(qdf_device_t qdf_dev, qdf_dma_addr_t iova,
  2321. qdf_size_t size)
  2322. {
  2323. }
  2324. #endif
  2325. #if defined(QCA_DP_RX_NBUF_NO_MAP_UNMAP) && !defined(BUILD_X86)
  2326. static inline
  2327. QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
  2328. struct dp_srng *rxdma_srng,
  2329. struct rx_desc_pool *rx_desc_pool,
  2330. uint32_t num_req_buffers)
  2331. {
  2332. return __dp_pdev_rx_buffers_no_map_attach(soc, mac_id,
  2333. rxdma_srng,
  2334. rx_desc_pool,
  2335. num_req_buffers);
  2336. }
  2337. static inline
  2338. void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2339. struct dp_srng *rxdma_srng,
  2340. struct rx_desc_pool *rx_desc_pool,
  2341. uint32_t num_req_buffers,
  2342. union dp_rx_desc_list_elem_t **desc_list,
  2343. union dp_rx_desc_list_elem_t **tail)
  2344. {
  2345. __dp_rx_buffers_no_map_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2346. num_req_buffers, desc_list, tail);
  2347. }
  2348. static inline
  2349. void dp_rx_comp2refill_replenish(struct dp_soc *soc, uint32_t mac_id,
  2350. struct dp_srng *rxdma_srng,
  2351. struct rx_desc_pool *rx_desc_pool,
  2352. uint32_t num_req_buffers,
  2353. union dp_rx_desc_list_elem_t **desc_list,
  2354. union dp_rx_desc_list_elem_t **tail)
  2355. {
  2356. __dp_rx_comp2refill_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2357. num_req_buffers, desc_list, tail);
  2358. }
  2359. static inline
  2360. void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2361. struct dp_srng *rxdma_srng,
  2362. struct rx_desc_pool *rx_desc_pool,
  2363. bool force_replenish)
  2364. {
  2365. __dp_rx_buffers_no_map_lt_replenish(soc, mac_id, rxdma_srng,
  2366. rx_desc_pool,
  2367. force_replenish);
  2368. }
  2369. #ifndef QCA_DP_NBUF_FAST_RECYCLE_CHECK
  2370. static inline
  2371. qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
  2372. qdf_nbuf_t nbuf,
  2373. uint32_t buf_size)
  2374. {
  2375. qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
  2376. (void *)(nbuf->data + buf_size));
  2377. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  2378. }
  2379. #else
  2380. #define L3_HEADER_PAD 2
  2381. static inline
  2382. qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
  2383. qdf_nbuf_t nbuf,
  2384. uint32_t buf_size)
  2385. {
  2386. if (nbuf->recycled_for_ds)
  2387. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  2388. if (unlikely(!nbuf->fast_recycled)) {
  2389. qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
  2390. (void *)(nbuf->data + buf_size));
  2391. }
  2392. DP_STATS_INC(dp_soc, rx.fast_recycled, 1);
  2393. nbuf->fast_recycled = 0;
  2394. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  2395. }
  2396. #endif
  2397. static inline
  2398. qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
  2399. qdf_nbuf_t nbuf,
  2400. uint32_t buf_size)
  2401. {
  2402. qdf_nbuf_dma_inv_range((void *)nbuf->data,
  2403. (void *)(nbuf->data + buf_size));
  2404. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  2405. }
  2406. #if !defined(SPECULATIVE_READ_DISABLED)
  2407. static inline
  2408. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  2409. struct dp_rx_desc *rx_desc,
  2410. uint8_t reo_ring_num)
  2411. {
  2412. struct rx_desc_pool *rx_desc_pool;
  2413. qdf_nbuf_t nbuf;
  2414. rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
  2415. nbuf = rx_desc->nbuf;
  2416. qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
  2417. (void *)(nbuf->data + rx_desc_pool->buf_size));
  2418. }
  2419. static inline
  2420. void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
  2421. struct rx_desc_pool *rx_desc_pool,
  2422. qdf_nbuf_t nbuf)
  2423. {
  2424. qdf_nbuf_dma_inv_range((void *)nbuf->data,
  2425. (void *)(nbuf->data + rx_desc_pool->buf_size));
  2426. }
  2427. #else
  2428. static inline
  2429. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  2430. struct dp_rx_desc *rx_desc,
  2431. uint8_t reo_ring_num)
  2432. {
  2433. }
  2434. static inline
  2435. void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
  2436. struct rx_desc_pool *rx_desc_pool,
  2437. qdf_nbuf_t nbuf)
  2438. {
  2439. }
  2440. #endif
  2441. static inline
  2442. void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
  2443. uint32_t bufs_reaped)
  2444. {
  2445. }
  2446. static inline
  2447. qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
  2448. struct rx_desc_pool *rx_desc_pool)
  2449. {
  2450. return qdf_nbuf_alloc_simple(soc->osdev, rx_desc_pool->buf_size,
  2451. RX_BUFFER_RESERVATION,
  2452. rx_desc_pool->buf_alignment, FALSE);
  2453. }
  2454. static inline
  2455. void dp_rx_nbuf_free(qdf_nbuf_t nbuf)
  2456. {
  2457. qdf_nbuf_free_simple(nbuf);
  2458. }
  2459. #else
  2460. static inline
  2461. QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
  2462. struct dp_srng *rxdma_srng,
  2463. struct rx_desc_pool *rx_desc_pool,
  2464. uint32_t num_req_buffers)
  2465. {
  2466. return dp_pdev_rx_buffers_attach(soc, mac_id,
  2467. rxdma_srng,
  2468. rx_desc_pool,
  2469. num_req_buffers);
  2470. }
  2471. static inline
  2472. void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2473. struct dp_srng *rxdma_srng,
  2474. struct rx_desc_pool *rx_desc_pool,
  2475. uint32_t num_req_buffers,
  2476. union dp_rx_desc_list_elem_t **desc_list,
  2477. union dp_rx_desc_list_elem_t **tail)
  2478. {
  2479. dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2480. num_req_buffers, desc_list, tail, false);
  2481. }
  2482. static inline
  2483. void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2484. struct dp_srng *rxdma_srng,
  2485. struct rx_desc_pool *rx_desc_pool,
  2486. bool force_replenish)
  2487. {
  2488. union dp_rx_desc_list_elem_t *desc_list = NULL;
  2489. union dp_rx_desc_list_elem_t *tail = NULL;
  2490. __dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2491. 0, &desc_list, &tail, false, force_replenish,
  2492. __func__);
  2493. }
  2494. static inline
  2495. qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
  2496. qdf_nbuf_t nbuf,
  2497. uint32_t buf_size)
  2498. {
  2499. return (qdf_dma_addr_t)NULL;
  2500. }
  2501. static inline
  2502. qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
  2503. qdf_nbuf_t nbuf,
  2504. uint32_t buf_size)
  2505. {
  2506. return (qdf_dma_addr_t)NULL;
  2507. }
  2508. static inline
  2509. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  2510. struct dp_rx_desc *rx_desc,
  2511. uint8_t reo_ring_num)
  2512. {
  2513. struct rx_desc_pool *rx_desc_pool;
  2514. rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
  2515. dp_ipa_reo_ctx_buf_mapping_lock(soc, reo_ring_num);
  2516. dp_audio_smmu_unmap(soc->osdev,
  2517. QDF_NBUF_CB_PADDR(rx_desc->nbuf),
  2518. rx_desc_pool->buf_size);
  2519. dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf,
  2520. rx_desc_pool->buf_size,
  2521. false, __func__, __LINE__);
  2522. qdf_nbuf_unmap_nbytes_single(soc->osdev, rx_desc->nbuf,
  2523. QDF_DMA_FROM_DEVICE,
  2524. rx_desc_pool->buf_size);
  2525. rx_desc->unmapped = 1;
  2526. dp_ipa_reo_ctx_buf_mapping_unlock(soc, reo_ring_num);
  2527. }
  2528. static inline
  2529. void dp_rx_nbuf_unmap_pool(struct dp_soc *soc,
  2530. struct rx_desc_pool *rx_desc_pool,
  2531. qdf_nbuf_t nbuf)
  2532. {
  2533. dp_audio_smmu_unmap(soc->osdev, QDF_NBUF_CB_PADDR(nbuf),
  2534. rx_desc_pool->buf_size);
  2535. dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf,
  2536. rx_desc_pool->buf_size,
  2537. false, __func__, __LINE__);
  2538. qdf_nbuf_unmap_nbytes_single(soc->osdev, nbuf, QDF_DMA_FROM_DEVICE,
  2539. rx_desc_pool->buf_size);
  2540. }
  2541. static inline
  2542. void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
  2543. uint32_t bufs_reaped)
  2544. {
  2545. int cpu_id = qdf_get_cpu();
  2546. DP_STATS_INC(soc, rx.ring_packets[cpu_id][ring_id], bufs_reaped);
  2547. }
  2548. static inline
  2549. qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
  2550. struct rx_desc_pool *rx_desc_pool)
  2551. {
  2552. return qdf_nbuf_alloc(soc->osdev, rx_desc_pool->buf_size,
  2553. RX_BUFFER_RESERVATION,
  2554. rx_desc_pool->buf_alignment, FALSE);
  2555. }
  2556. static inline
  2557. void dp_rx_nbuf_free(qdf_nbuf_t nbuf)
  2558. {
  2559. qdf_nbuf_free(nbuf);
  2560. }
  2561. #endif
  2562. #ifdef DP_UMAC_HW_RESET_SUPPORT
  2563. /**
  2564. * dp_rx_desc_reuse() - Reuse the rx descriptors to fill the rx buf ring
  2565. * @soc: core txrx main context
  2566. * @nbuf_list: nbuf list for delayed free
  2567. *
  2568. * Return: void
  2569. */
  2570. void dp_rx_desc_reuse(struct dp_soc *soc, qdf_nbuf_t *nbuf_list);
  2571. /**
  2572. * dp_rx_desc_delayed_free() - Delayed free of the rx descs
  2573. *
  2574. * @soc: core txrx main context
  2575. *
  2576. * Return: void
  2577. */
  2578. void dp_rx_desc_delayed_free(struct dp_soc *soc);
  2579. #endif
  2580. /**
  2581. * dp_rx_get_txrx_peer_and_vdev() - Get txrx peer and vdev from peer id
  2582. * @soc: core txrx main context
  2583. * @nbuf : pointer to the first msdu of an amsdu.
  2584. * @peer_id : Peer id of the peer
  2585. * @txrx_ref_handle : Buffer to save the handle for txrx peer's reference
  2586. * @pkt_capture_offload : Flag indicating if pkt capture offload is needed
  2587. * @vdev : Buffer to hold pointer to vdev
  2588. * @rx_pdev : Buffer to hold pointer to rx pdev
  2589. * @dsf : delay stats flag
  2590. * @old_tid : Old tid
  2591. *
  2592. * Get txrx peer and vdev from peer id
  2593. *
  2594. * Return: Pointer to txrx peer
  2595. */
  2596. static inline struct dp_txrx_peer *
  2597. dp_rx_get_txrx_peer_and_vdev(struct dp_soc *soc,
  2598. qdf_nbuf_t nbuf,
  2599. uint16_t peer_id,
  2600. dp_txrx_ref_handle *txrx_ref_handle,
  2601. bool pkt_capture_offload,
  2602. struct dp_vdev **vdev,
  2603. struct dp_pdev **rx_pdev,
  2604. uint32_t *dsf,
  2605. uint32_t *old_tid)
  2606. {
  2607. struct dp_txrx_peer *txrx_peer = NULL;
  2608. txrx_peer = dp_txrx_peer_get_ref_by_id(soc, peer_id, txrx_ref_handle,
  2609. DP_MOD_ID_RX);
  2610. if (qdf_likely(txrx_peer)) {
  2611. *vdev = txrx_peer->vdev;
  2612. } else {
  2613. nbuf->next = NULL;
  2614. dp_rx_deliver_to_pkt_capture_no_peer(soc, nbuf,
  2615. pkt_capture_offload);
  2616. if (!pkt_capture_offload)
  2617. dp_rx_deliver_to_stack_no_peer(soc, nbuf);
  2618. goto end;
  2619. }
  2620. if (qdf_unlikely(!(*vdev))) {
  2621. qdf_nbuf_free(nbuf);
  2622. DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
  2623. goto end;
  2624. }
  2625. *rx_pdev = (*vdev)->pdev;
  2626. *dsf = (*rx_pdev)->delay_stats_flag;
  2627. *old_tid = 0xff;
  2628. end:
  2629. return txrx_peer;
  2630. }
  2631. static inline QDF_STATUS
  2632. dp_peer_rx_reorder_queue_setup(struct dp_soc *soc, struct dp_peer *peer,
  2633. uint32_t tid_bitmap, uint32_t ba_window_size)
  2634. {
  2635. return soc->arch_ops.dp_peer_rx_reorder_queue_setup(soc,
  2636. peer, tid_bitmap,
  2637. ba_window_size);
  2638. }
  2639. static inline
  2640. void dp_rx_nbuf_list_deliver(struct dp_soc *soc,
  2641. struct dp_vdev *vdev,
  2642. struct dp_txrx_peer *txrx_peer,
  2643. uint16_t peer_id,
  2644. uint8_t pkt_capture_offload,
  2645. qdf_nbuf_t deliver_list_head,
  2646. qdf_nbuf_t deliver_list_tail)
  2647. {
  2648. qdf_nbuf_t nbuf, next;
  2649. if (qdf_likely(deliver_list_head)) {
  2650. if (qdf_likely(txrx_peer)) {
  2651. dp_rx_deliver_to_pkt_capture(soc, vdev->pdev, peer_id,
  2652. pkt_capture_offload,
  2653. deliver_list_head);
  2654. if (!pkt_capture_offload)
  2655. dp_rx_deliver_to_stack(soc, vdev, txrx_peer,
  2656. deliver_list_head,
  2657. deliver_list_tail);
  2658. } else {
  2659. nbuf = deliver_list_head;
  2660. while (nbuf) {
  2661. next = nbuf->next;
  2662. nbuf->next = NULL;
  2663. dp_rx_deliver_to_stack_no_peer(soc, nbuf);
  2664. nbuf = next;
  2665. }
  2666. }
  2667. }
  2668. }
  2669. #ifdef DP_TX_RX_TPUT_SIMULATE
  2670. /*
  2671. * Change this macro value to simulate different RX T-put,
  2672. * if OTA is 100 Mbps, to simulate 200 Mbps, then multiplication factor
  2673. * is 2, set macro value as 1 (multiplication factor - 1).
  2674. */
  2675. #define DP_RX_PKTS_DUPLICATE_CNT 0
  2676. static inline
  2677. void dp_rx_nbuf_list_dup_deliver(struct dp_soc *soc,
  2678. struct dp_vdev *vdev,
  2679. struct dp_txrx_peer *txrx_peer,
  2680. uint16_t peer_id,
  2681. uint8_t pkt_capture_offload,
  2682. qdf_nbuf_t ori_list_head,
  2683. qdf_nbuf_t ori_list_tail)
  2684. {
  2685. qdf_nbuf_t new_skb = NULL;
  2686. qdf_nbuf_t new_list_head = NULL;
  2687. qdf_nbuf_t new_list_tail = NULL;
  2688. qdf_nbuf_t nbuf = NULL;
  2689. int i;
  2690. for (i = 0; i < DP_RX_PKTS_DUPLICATE_CNT; i++) {
  2691. nbuf = ori_list_head;
  2692. new_list_head = NULL;
  2693. new_list_tail = NULL;
  2694. while (nbuf) {
  2695. new_skb = qdf_nbuf_copy(nbuf);
  2696. if (qdf_likely(new_skb))
  2697. DP_RX_LIST_APPEND(new_list_head,
  2698. new_list_tail,
  2699. new_skb);
  2700. else
  2701. dp_err("copy skb failed");
  2702. nbuf = qdf_nbuf_next(nbuf);
  2703. }
  2704. /* deliver the copied nbuf list */
  2705. dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
  2706. pkt_capture_offload,
  2707. new_list_head,
  2708. new_list_tail);
  2709. }
  2710. /* deliver the original skb_list */
  2711. dp_rx_nbuf_list_deliver(soc, vdev, txrx_peer, peer_id,
  2712. pkt_capture_offload,
  2713. ori_list_head,
  2714. ori_list_tail);
  2715. }
  2716. #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_dup_deliver
  2717. #else /* !DP_TX_RX_TPUT_SIMULATE */
  2718. #define DP_RX_DELIVER_TO_STACK dp_rx_nbuf_list_deliver
  2719. #endif /* DP_TX_RX_TPUT_SIMULATE */
  2720. /**
  2721. * dp_rx_wbm_desc_nbuf_sanity_check() - Add sanity check to for WBM rx_desc
  2722. * paddr corruption
  2723. * @soc: core txrx main context
  2724. * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring
  2725. * @ring_desc: REO ring descriptor
  2726. * @rx_desc: Rx descriptor
  2727. *
  2728. * Return: NONE
  2729. */
  2730. QDF_STATUS dp_rx_wbm_desc_nbuf_sanity_check(struct dp_soc *soc,
  2731. hal_ring_handle_t hal_ring_hdl,
  2732. hal_ring_desc_t ring_desc,
  2733. struct dp_rx_desc *rx_desc);
  2734. /**
  2735. * dp_rx_is_sg_formation_required() - Check if sg formation is required
  2736. * @info: WBM desc info
  2737. *
  2738. * Return: True if sg is required else false
  2739. */
  2740. bool dp_rx_is_sg_formation_required(struct hal_wbm_err_desc_info *info);
  2741. /**
  2742. * dp_rx_err_tlv_invalidate() - Invalidate network buffer
  2743. * @soc: core txrx main context
  2744. * @nbuf: Network buffer to invalidate
  2745. *
  2746. * Return: NONE
  2747. */
  2748. void dp_rx_err_tlv_invalidate(struct dp_soc *soc,
  2749. qdf_nbuf_t nbuf);
  2750. /**
  2751. * dp_rx_wbm_sg_list_last_msdu_war() - war for HW issue
  2752. * @soc: DP SOC handle
  2753. *
  2754. * This is a war for HW issue where length is only valid in last msdu
  2755. *
  2756. * Return: NONE
  2757. */
  2758. void dp_rx_wbm_sg_list_last_msdu_war(struct dp_soc *soc);
  2759. /**
  2760. * dp_rx_check_pkt_len() - Check for pktlen validity
  2761. * @soc: DP SOC context
  2762. * @pkt_len: computed length of the pkt from caller in bytes
  2763. *
  2764. * Return: true if pktlen > RX_BUFFER_SIZE, else return false
  2765. *
  2766. */
  2767. bool dp_rx_check_pkt_len(struct dp_soc *soc, uint32_t pkt_len);
  2768. /**
  2769. * dp_rx_null_q_handle_invalid_peer_id_exception() - to find exception
  2770. * @soc: pointer to dp_soc struct
  2771. * @pool_id: Pool id to find dp_pdev
  2772. * @rx_tlv_hdr: TLV header of received packet
  2773. * @nbuf: SKB
  2774. *
  2775. * In certain types of packets if peer_id is not correct then
  2776. * driver may not be able find. Try finding peer by addr_2 of
  2777. * received MPDU. If you find the peer then most likely sw_peer_id &
  2778. * ast_idx is corrupted.
  2779. *
  2780. * Return: True if you find the peer by addr_2 of received MPDU else false
  2781. */
  2782. bool dp_rx_null_q_handle_invalid_peer_id_exception(struct dp_soc *soc,
  2783. uint8_t pool_id,
  2784. uint8_t *rx_tlv_hdr,
  2785. qdf_nbuf_t nbuf);
  2786. /**
  2787. * dp_rx_err_drop_3addr_mcast() - Check if feature drop_3ddr_mcast is enabled
  2788. * If so, drop the multicast frame.
  2789. * @vdev: datapath vdev
  2790. * @rx_tlv_hdr: TLV header
  2791. *
  2792. * Return: true if packet is to be dropped,
  2793. * false, if packet is not dropped.
  2794. */
  2795. bool dp_rx_err_drop_3addr_mcast(struct dp_vdev *vdev, uint8_t *rx_tlv_hdr);
  2796. /**
  2797. * dp_rx_deliver_to_osif_stack() - function to deliver rx pkts to stack
  2798. * @soc: DP soc
  2799. * @vdev: DP vdev handle
  2800. * @txrx_peer: pointer to the txrx_peer object
  2801. * @nbuf: skb list head
  2802. * @tail: skb list tail
  2803. * @is_eapol: eapol pkt check
  2804. *
  2805. * Return: None
  2806. */
  2807. void
  2808. dp_rx_deliver_to_osif_stack(struct dp_soc *soc,
  2809. struct dp_vdev *vdev,
  2810. struct dp_txrx_peer *txrx_peer,
  2811. qdf_nbuf_t nbuf,
  2812. qdf_nbuf_t tail,
  2813. bool is_eapol);
  2814. /**
  2815. * dp_rx_set_wbm_err_info_in_nbuf() - function to set wbm err info in nbuf
  2816. * @soc: DP soc
  2817. * @nbuf: skb list head
  2818. * @wbm_err: wbm error info details
  2819. *
  2820. * Return: None
  2821. */
  2822. void
  2823. dp_rx_set_wbm_err_info_in_nbuf(struct dp_soc *soc,
  2824. qdf_nbuf_t nbuf,
  2825. union hal_wbm_err_info_u wbm_err);
  2826. #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
  2827. static inline uint8_t
  2828. dp_rx_get_defrag_bm_id(struct dp_soc *soc)
  2829. {
  2830. return DP_DEFRAG_RBM(soc->wbm_sw0_bm_id);
  2831. }
  2832. static inline uint8_t
  2833. dp_rx_get_rx_bm_id(struct dp_soc *soc)
  2834. {
  2835. return DP_WBM2SW_RBM(soc->wbm_sw0_bm_id);
  2836. }
  2837. #else
  2838. static inline uint8_t
  2839. dp_rx_get_rx_bm_id(struct dp_soc *soc)
  2840. {
  2841. struct wlan_cfg_dp_soc_ctxt *cfg_ctx = soc->wlan_cfg_ctx;
  2842. uint8_t wbm2_sw_rx_rel_ring_id;
  2843. wbm2_sw_rx_rel_ring_id = wlan_cfg_get_rx_rel_ring_id(cfg_ctx);
  2844. return HAL_RX_BUF_RBM_SW_BM(soc->wbm_sw0_bm_id,
  2845. wbm2_sw_rx_rel_ring_id);
  2846. }
  2847. static inline uint8_t
  2848. dp_rx_get_defrag_bm_id(struct dp_soc *soc)
  2849. {
  2850. return dp_rx_get_rx_bm_id(soc);
  2851. }
  2852. #endif
  2853. #ifndef WLAN_SOFTUMAC_SUPPORT /* WLAN_SOFTUMAC_SUPPORT */
  2854. /**
  2855. * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info
  2856. *
  2857. * @soc: core txrx main context
  2858. * @hal_ring_hdl: opaque pointer to the HAL Rx Ring, which will be serviced
  2859. * @ring_desc: opaque pointer to the RX ring descriptor
  2860. * @rx_desc: host rx descriptor
  2861. *
  2862. * Return: void
  2863. */
  2864. void dp_rx_dump_info_and_assert(struct dp_soc *soc,
  2865. hal_ring_handle_t hal_ring_hdl,
  2866. hal_ring_desc_t ring_desc,
  2867. struct dp_rx_desc *rx_desc);
  2868. /**
  2869. * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW
  2870. * (WBM), following error handling
  2871. *
  2872. * @soc: core DP main context
  2873. * @ring_desc: opaque pointer to the REO error ring descriptor
  2874. * @bm_action: put to idle_list or release to msdu_list
  2875. *
  2876. * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
  2877. */
  2878. QDF_STATUS
  2879. dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc,
  2880. uint8_t bm_action);
  2881. /**
  2882. * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to
  2883. * (WBM) by address
  2884. *
  2885. * @soc: core DP main context
  2886. * @link_desc_addr: link descriptor addr
  2887. * @bm_action: put to idle_list or release to msdu_list
  2888. *
  2889. * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
  2890. */
  2891. QDF_STATUS
  2892. dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
  2893. hal_buff_addrinfo_t link_desc_addr,
  2894. uint8_t bm_action);
  2895. /**
  2896. * dp_rxdma_err_process() - RxDMA error processing functionality
  2897. * @int_ctx: pointer to DP interrupt context
  2898. * @soc: core txrx main context
  2899. * @mac_id: mac id which is one of 3 mac_ids
  2900. * @quota: No. of units (packets) that can be serviced in one shot.
  2901. *
  2902. * Return: num of buffers processed
  2903. */
  2904. uint32_t
  2905. dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  2906. uint32_t mac_id, uint32_t quota);
  2907. /**
  2908. * dp_rx_process_rxdma_err() - Function to deliver rxdma unencrypted_err
  2909. * frames to OS or wifi parse errors.
  2910. * @soc: core DP main context
  2911. * @nbuf: buffer pointer
  2912. * @rx_tlv_hdr: start of rx tlv header
  2913. * @txrx_peer: peer reference
  2914. * @err_code: rxdma err code
  2915. * @mac_id: mac_id which is one of 3 mac_ids(Assuming mac_id and
  2916. * pool_id has same mapping)
  2917. * @link_id: link Id on which the packet is received
  2918. *
  2919. * Return: None
  2920. */
  2921. void
  2922. dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf,
  2923. uint8_t *rx_tlv_hdr, struct dp_txrx_peer *txrx_peer,
  2924. uint8_t err_code, uint8_t mac_id, uint8_t link_id);
  2925. /**
  2926. * dp_rx_process_mic_error(): Function to pass mic error indication to umac
  2927. * @soc: core DP main context
  2928. * @nbuf: buffer pointer
  2929. * @rx_tlv_hdr: start of rx tlv header
  2930. * @txrx_peer: txrx peer handle
  2931. *
  2932. * Return: void
  2933. */
  2934. void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf,
  2935. uint8_t *rx_tlv_hdr,
  2936. struct dp_txrx_peer *txrx_peer);
  2937. /**
  2938. * dp_2k_jump_handle() - Function to handle 2k jump exception
  2939. * on WBM ring
  2940. * @soc: core DP main context
  2941. * @nbuf: buffer pointer
  2942. * @rx_tlv_hdr: start of rx tlv header
  2943. * @peer_id: peer id of first msdu
  2944. * @tid: Tid for which exception occurred
  2945. *
  2946. * This function handles 2k jump violations arising out
  2947. * of receiving aggregates in non BA case. This typically
  2948. * may happen if aggregates are received on a QOS enabled TID
  2949. * while Rx window size is still initialized to value of 2. Or
  2950. * it may also happen if negotiated window size is 1 but peer
  2951. * sends aggregates.
  2952. */
  2953. void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
  2954. uint16_t peer_id, uint8_t tid);
  2955. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  2956. /**
  2957. * dp_rx_err_process() - Processes error frames routed to REO error ring
  2958. * @int_ctx: pointer to DP interrupt context
  2959. * @soc: core txrx main context
  2960. * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, which will be serviced
  2961. * @quota: No. of units (packets) that can be serviced in one shot.
  2962. *
  2963. * This function implements error processing and top level demultiplexer
  2964. * for all the frames routed to REO error ring.
  2965. *
  2966. * Return: uint32_t: No. of elements processed
  2967. */
  2968. uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  2969. hal_ring_handle_t hal_ring_hdl, uint32_t quota);
  2970. /**
  2971. * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring
  2972. * @int_ctx: pointer to DP interrupt context
  2973. * @soc: core txrx main context
  2974. * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, which will be
  2975. * serviced
  2976. * @quota: No. of units (packets) that can be serviced in one shot.
  2977. *
  2978. * This function implements error processing and top level demultiplexer
  2979. * for all the frames routed to WBM2HOST sw release ring.
  2980. *
  2981. * Return: uint32_t: No. of elements processed
  2982. */
  2983. uint32_t
  2984. dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  2985. hal_ring_handle_t hal_ring_hdl, uint32_t quota);
  2986. #ifdef QCA_OL_RX_LOCK_LESS_ACCESS
  2987. /**
  2988. * dp_rx_srng_access_start()- Wrapper function to log access start of a hal ring
  2989. * @int_ctx: pointer to DP interrupt context
  2990. * @soc: DP soc structure pointer
  2991. * @hal_ring_hdl: HAL ring handle
  2992. *
  2993. * Return: 0 on success; error on failure
  2994. */
  2995. static inline int
  2996. dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
  2997. hal_ring_handle_t hal_ring_hdl)
  2998. {
  2999. return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl);
  3000. }
  3001. /**
  3002. * dp_rx_srng_access_end()- Wrapper function to log access end of a hal ring
  3003. * @int_ctx: pointer to DP interrupt context
  3004. * @soc: DP soc structure pointer
  3005. * @hal_ring_hdl: HAL ring handle
  3006. *
  3007. * Return: None
  3008. */
  3009. static inline void
  3010. dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
  3011. hal_ring_handle_t hal_ring_hdl)
  3012. {
  3013. hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl);
  3014. }
  3015. #else
  3016. static inline int
  3017. dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
  3018. hal_ring_handle_t hal_ring_hdl)
  3019. {
  3020. return dp_srng_access_start(int_ctx, soc, hal_ring_hdl);
  3021. }
  3022. static inline void
  3023. dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
  3024. hal_ring_handle_t hal_ring_hdl)
  3025. {
  3026. dp_srng_access_end(int_ctx, soc, hal_ring_hdl);
  3027. }
  3028. #endif
  3029. #ifdef RX_DESC_SANITY_WAR
  3030. QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
  3031. hal_ring_handle_t hal_ring_hdl,
  3032. hal_ring_desc_t ring_desc,
  3033. struct dp_rx_desc *rx_desc);
  3034. #else
  3035. static inline
  3036. QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
  3037. hal_ring_handle_t hal_ring_hdl,
  3038. hal_ring_desc_t ring_desc,
  3039. struct dp_rx_desc *rx_desc)
  3040. {
  3041. return QDF_STATUS_SUCCESS;
  3042. }
  3043. #endif
  3044. #ifdef RX_DESC_DEBUG_CHECK
  3045. /**
  3046. * dp_rx_desc_nbuf_sanity_check - Add sanity check to catch REO rx_desc paddr
  3047. * corruption
  3048. * @soc: DP SoC context
  3049. * @ring_desc: REO ring descriptor
  3050. * @rx_desc: Rx descriptor
  3051. *
  3052. * Return: NONE
  3053. */
  3054. QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
  3055. hal_ring_desc_t ring_desc,
  3056. struct dp_rx_desc *rx_desc);
  3057. #else
  3058. static inline
  3059. QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
  3060. hal_ring_desc_t ring_desc,
  3061. struct dp_rx_desc *rx_desc)
  3062. {
  3063. return QDF_STATUS_SUCCESS;
  3064. }
  3065. #endif
  3066. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  3067. /**
  3068. * dp_rx_wbm_sg_list_reset() - Initialize sg list
  3069. *
  3070. * This api should be called at soc init and afterevery sg processing.
  3071. *@soc: DP SOC handle
  3072. */
  3073. static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
  3074. {
  3075. if (soc) {
  3076. soc->wbm_sg_param.wbm_is_first_msdu_in_sg = false;
  3077. soc->wbm_sg_param.wbm_sg_nbuf_head = NULL;
  3078. soc->wbm_sg_param.wbm_sg_nbuf_tail = NULL;
  3079. soc->wbm_sg_param.wbm_sg_desc_msdu_len = 0;
  3080. }
  3081. }
  3082. /**
  3083. * dp_rx_wbm_sg_list_deinit() - De-initialize sg list
  3084. *
  3085. * This api should be called in down path, to avoid any leak.
  3086. *@soc: DP SOC handle
  3087. */
  3088. static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
  3089. {
  3090. if (soc) {
  3091. if (soc->wbm_sg_param.wbm_sg_nbuf_head)
  3092. qdf_nbuf_list_free(soc->wbm_sg_param.wbm_sg_nbuf_head);
  3093. dp_rx_wbm_sg_list_reset(soc);
  3094. }
  3095. }
  3096. /**
  3097. * dp_rx_link_desc_refill_duplicate_check() - check if link desc duplicate
  3098. * to refill
  3099. * @soc: DP SOC handle
  3100. * @buf_info: the last link desc buf info
  3101. * @ring_buf_info: current buf address pointor including link desc
  3102. *
  3103. * Return: none.
  3104. */
  3105. void dp_rx_link_desc_refill_duplicate_check(
  3106. struct dp_soc *soc,
  3107. struct hal_buf_info *buf_info,
  3108. hal_buff_addrinfo_t ring_buf_info);
  3109. /**
  3110. * dp_rx_srng_get_num_pending() - get number of pending entries
  3111. * @hal_soc: hal soc opaque pointer
  3112. * @hal_ring_hdl: opaque pointer to the HAL Rx Ring
  3113. * @num_entries: number of entries in the hal_ring.
  3114. * @near_full: pointer to a boolean. This is set if ring is near full.
  3115. *
  3116. * The function returns the number of entries in a destination ring which are
  3117. * yet to be reaped. The function also checks if the ring is near full.
  3118. * If more than half of the ring needs to be reaped, the ring is considered
  3119. * approaching full.
  3120. * The function uses hal_srng_dst_num_valid_locked to get the number of valid
  3121. * entries. It should not be called within a SRNG lock. HW pointer value is
  3122. * synced into cached_hp.
  3123. *
  3124. * Return: Number of pending entries if any
  3125. */
  3126. uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc,
  3127. hal_ring_handle_t hal_ring_hdl,
  3128. uint32_t num_entries,
  3129. bool *near_full);
  3130. #ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
  3131. /**
  3132. * dp_rx_ring_record_entry() - Record an entry into the rx ring history.
  3133. * @soc: Datapath soc structure
  3134. * @ring_num: REO ring number
  3135. * @ring_desc: REO ring descriptor
  3136. *
  3137. * Return: None
  3138. */
  3139. void dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
  3140. hal_ring_desc_t ring_desc);
  3141. #else
  3142. static inline void
  3143. dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
  3144. hal_ring_desc_t ring_desc)
  3145. {
  3146. }
  3147. #endif
  3148. #ifdef QCA_SUPPORT_WDS_EXTENDED
  3149. /**
  3150. * dp_rx_is_list_ready() - Make different lists for 4-address
  3151. * and 3-address frames
  3152. * @nbuf_head: skb list head
  3153. * @vdev: vdev
  3154. * @txrx_peer : txrx_peer
  3155. * @peer_id: peer id of new received frame
  3156. * @vdev_id: vdev_id of new received frame
  3157. *
  3158. * Return: true if peer_ids are different.
  3159. */
  3160. static inline bool
  3161. dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
  3162. struct dp_vdev *vdev,
  3163. struct dp_txrx_peer *txrx_peer,
  3164. uint16_t peer_id,
  3165. uint8_t vdev_id)
  3166. {
  3167. if (nbuf_head && txrx_peer && txrx_peer->peer_id != peer_id)
  3168. return true;
  3169. return false;
  3170. }
  3171. /**
  3172. * dp_rx_deliver_to_stack_ext() - Deliver to netdev per sta
  3173. * @soc: core txrx main context
  3174. * @vdev: vdev
  3175. * @txrx_peer: txrx peer
  3176. * @nbuf_head: skb list head
  3177. *
  3178. * Return: true if packet is delivered to netdev per STA.
  3179. */
  3180. bool
  3181. dp_rx_deliver_to_stack_ext(struct dp_soc *soc, struct dp_vdev *vdev,
  3182. struct dp_txrx_peer *txrx_peer,
  3183. qdf_nbuf_t nbuf_head);
  3184. #else
  3185. static inline bool
  3186. dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
  3187. struct dp_vdev *vdev,
  3188. struct dp_txrx_peer *txrx_peer,
  3189. uint16_t peer_id,
  3190. uint8_t vdev_id)
  3191. {
  3192. if (nbuf_head && vdev && (vdev->vdev_id != vdev_id))
  3193. return true;
  3194. return false;
  3195. }
  3196. #endif
  3197. #ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET
  3198. /**
  3199. * dp_rx_mark_first_packet_after_wow_wakeup - get first packet after wow wakeup
  3200. * @pdev: pointer to dp_pdev structure
  3201. * @rx_tlv: pointer to rx_pkt_tlvs structure
  3202. * @nbuf: pointer to skb buffer
  3203. *
  3204. * Return: None
  3205. */
  3206. void dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
  3207. uint8_t *rx_tlv,
  3208. qdf_nbuf_t nbuf);
  3209. #else
  3210. static inline void
  3211. dp_rx_mark_first_packet_after_wow_wakeup(struct dp_pdev *pdev,
  3212. uint8_t *rx_tlv,
  3213. qdf_nbuf_t nbuf)
  3214. {
  3215. }
  3216. #endif
  3217. #else
  3218. static inline QDF_STATUS
  3219. dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
  3220. hal_buff_addrinfo_t link_desc_addr,
  3221. uint8_t bm_action)
  3222. {
  3223. return QDF_STATUS_SUCCESS;
  3224. }
  3225. static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
  3226. {
  3227. }
  3228. static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
  3229. {
  3230. }
  3231. static inline uint32_t
  3232. dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  3233. uint32_t mac_id, uint32_t quota)
  3234. {
  3235. return 0;
  3236. }
  3237. #endif /* WLAN_SOFTUMAC_SUPPORT */
  3238. #ifndef CONFIG_NBUF_AP_PLATFORM
  3239. static inline uint8_t
  3240. dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
  3241. struct dp_txrx_peer *txrx_peer)
  3242. {
  3243. return QDF_NBUF_CB_RX_LOGICAL_LINK_ID(nbuf);
  3244. }
  3245. #else
  3246. static inline uint8_t
  3247. dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
  3248. struct dp_txrx_peer *txrx_peer)
  3249. {
  3250. uint8_t link_id = 0;
  3251. link_id = (QDF_NBUF_CB_RX_HW_LINK_ID(nbuf) + 1);
  3252. if (link_id > DP_MAX_MLO_LINKS) {
  3253. link_id = 0;
  3254. DP_PEER_PER_PKT_STATS_INC(txrx_peer,
  3255. rx.inval_link_id_pkt_cnt,
  3256. 1, link_id);
  3257. }
  3258. return link_id;
  3259. }
  3260. #endif /* CONFIG_NBUF_AP_PLATFORM */
  3261. #endif /* _DP_RX_H */