dp_be.h 19 KB

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  1. /*
  2. * Copyright (c) 2021 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021 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_BE_H
  20. #define __DP_BE_H
  21. #include <dp_types.h>
  22. #include <hal_be_tx.h>
  23. #ifdef WLAN_MLO_MULTI_CHIP
  24. #include "mlo/dp_mlo.h"
  25. #else
  26. #include <dp_peer.h>
  27. #endif
  28. /* maximum number of entries in one page of secondary page table */
  29. #define DP_CC_SPT_PAGE_MAX_ENTRIES 512
  30. /* maximum number of entries in one page of secondary page table */
  31. #define DP_CC_SPT_PAGE_MAX_ENTRIES_MASK (DP_CC_SPT_PAGE_MAX_ENTRIES - 1)
  32. /* maximum number of entries in primary page table */
  33. #define DP_CC_PPT_MAX_ENTRIES 1024
  34. /* cookie conversion required CMEM offset from CMEM pool */
  35. #define DP_CC_MEM_OFFSET_IN_CMEM 0
  36. /* cookie conversion primary page table size 4K */
  37. #define DP_CC_PPT_MEM_SIZE 4096
  38. /* FST required CMEM offset from CMEM pool */
  39. #define DP_FST_MEM_OFFSET_IN_CMEM \
  40. (DP_CC_MEM_OFFSET_IN_CMEM + DP_CC_PPT_MEM_SIZE)
  41. /* lower 9 bits in Desc ID for offset in page of SPT */
  42. #define DP_CC_DESC_ID_SPT_VA_OS_SHIFT 0
  43. #define DP_CC_DESC_ID_SPT_VA_OS_MASK 0x1FF
  44. #define DP_CC_DESC_ID_SPT_VA_OS_LSB 0
  45. #define DP_CC_DESC_ID_SPT_VA_OS_MSB 8
  46. /* higher 11 bits in Desc ID for offset in CMEM of PPT */
  47. #define DP_CC_DESC_ID_PPT_PAGE_OS_LSB 9
  48. #define DP_CC_DESC_ID_PPT_PAGE_OS_MSB 19
  49. #define DP_CC_DESC_ID_PPT_PAGE_OS_SHIFT 9
  50. #define DP_CC_DESC_ID_PPT_PAGE_OS_MASK 0xFFE00
  51. /*
  52. * page 4K unaligned case, single SPT page physical address
  53. * need 8 bytes in PPT
  54. */
  55. #define DP_CC_PPT_ENTRY_SIZE_4K_UNALIGNED 8
  56. /*
  57. * page 4K aligned case, single SPT page physical address
  58. * need 4 bytes in PPT
  59. */
  60. #define DP_CC_PPT_ENTRY_SIZE_4K_ALIGNED 4
  61. /* 4K aligned case, number of bits HW append for one PPT entry value */
  62. #define DP_CC_PPT_ENTRY_HW_APEND_BITS_4K_ALIGNED 12
  63. #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
  64. /* WBM2SW ring id for rx release */
  65. #define WBM2SW_REL_ERR_RING_NUM 3
  66. #else
  67. /* WBM2SW ring id for rx release */
  68. #define WBM2SW_REL_ERR_RING_NUM 5
  69. #endif
  70. /* tx descriptor are programmed at start of CMEM region*/
  71. #define DP_TX_DESC_CMEM_OFFSET 0
  72. /* size of CMEM needed for a tx desc pool*/
  73. #define DP_TX_DESC_POOL_CMEM_SIZE \
  74. ((WLAN_CFG_NUM_TX_DESC_MAX / DP_CC_SPT_PAGE_MAX_ENTRIES) * \
  75. DP_CC_PPT_ENTRY_SIZE_4K_ALIGNED)
  76. /* Offset of rx descripotor pool */
  77. #define DP_RX_DESC_CMEM_OFFSET \
  78. DP_TX_DESC_CMEM_OFFSET + (MAX_TXDESC_POOLS * DP_TX_DESC_POOL_CMEM_SIZE)
  79. /* size of CMEM needed for a rx desc pool */
  80. #define DP_RX_DESC_POOL_CMEM_SIZE \
  81. ((WLAN_CFG_RX_SW_DESC_NUM_SIZE_MAX / DP_CC_SPT_PAGE_MAX_ENTRIES) * \
  82. DP_CC_PPT_ENTRY_SIZE_4K_ALIGNED)
  83. /* get ppt_id from CMEM_OFFSET */
  84. #define DP_CMEM_OFFSET_TO_PPT_ID(offset) \
  85. ((offset) / DP_CC_PPT_ENTRY_SIZE_4K_ALIGNED)
  86. /**
  87. * struct dp_spt_page_desc - secondary page table page descriptors
  88. * @next: pointer to next linked SPT page Desc
  89. * @page_v_addr: page virtual address
  90. * @page_p_addr: page physical address
  91. * @ppt_index: entry index in primary page table where this page physical
  92. address stored
  93. * @avail_entry_index: index for available entry that store TX/RX Desc VA
  94. */
  95. struct dp_spt_page_desc {
  96. uint8_t *page_v_addr;
  97. qdf_dma_addr_t page_p_addr;
  98. uint32_t ppt_index;
  99. };
  100. /**
  101. * struct dp_hw_cookie_conversion_t - main context for HW cookie conversion
  102. * @cmem_offset: CMEM offset from base address for primary page table setup
  103. * @total_page_num: total DDR page allocated
  104. * @page_desc_freelist: available page Desc list
  105. * @page_desc_base: page Desc buffer base address.
  106. * @page_pool: DDR pages pool
  107. * @cc_lock: locks for page acquiring/free
  108. */
  109. struct dp_hw_cookie_conversion_t {
  110. uint32_t cmem_offset;
  111. uint32_t total_page_num;
  112. struct dp_spt_page_desc *page_desc_base;
  113. struct qdf_mem_multi_page_t page_pool;
  114. qdf_spinlock_t cc_lock;
  115. };
  116. /**
  117. * struct dp_spt_page_desc_list - containor of SPT page desc list info
  118. * @spt_page_list_head: head of SPT page descriptor list
  119. * @spt_page_list_tail: tail of SPT page descriptor list
  120. * @num_spt_pages: number of SPT page descriptor allocated
  121. */
  122. struct dp_spt_page_desc_list {
  123. struct dp_spt_page_desc *spt_page_list_head;
  124. struct dp_spt_page_desc *spt_page_list_tail;
  125. uint16_t num_spt_pages;
  126. };
  127. /* HW reading 8 bytes for VA */
  128. #define DP_CC_HW_READ_BYTES 8
  129. #define DP_CC_SPT_PAGE_UPDATE_VA(_page_base_va, _index, _desc_va) \
  130. { *((uintptr_t *)((_page_base_va) + (_index) * DP_CC_HW_READ_BYTES)) \
  131. = (uintptr_t)(_desc_va); }
  132. /**
  133. * struct dp_tx_bank_profile - DP wrapper for TCL banks
  134. * @is_configured: flag indicating if this bank is configured
  135. * @ref_count: ref count indicating number of users of the bank
  136. * @bank_config: HAL TX bank configuration
  137. */
  138. struct dp_tx_bank_profile {
  139. uint8_t is_configured;
  140. qdf_atomic_t ref_count;
  141. union hal_tx_bank_config bank_config;
  142. };
  143. /**
  144. * struct dp_soc_be - Extended DP soc for BE targets
  145. * @soc: dp soc structure
  146. * @num_bank_profiles: num TX bank profiles
  147. * @bank_profiles: bank profiles for various TX banks
  148. * @cc_cmem_base: cmem offset reserved for CC
  149. * @tx_cc_ctx: Cookie conversion context for tx desc pools
  150. * @rx_cc_ctx: Cookie conversion context for rx desc pools
  151. * @monitor_soc_be: BE specific monitor object
  152. * @mlo_enabled: Flag to indicate MLO is enabled or not
  153. * @mlo_chip_id: MLO chip_id
  154. * @ml_ctxt: pointer to global ml_context
  155. * @mld_peer_hash: peer hash table for ML peers
  156. * Associated peer with this MAC address)
  157. * @mld_peer_hash_lock: lock to protect mld_peer_hash
  158. */
  159. struct dp_soc_be {
  160. struct dp_soc soc;
  161. uint8_t num_bank_profiles;
  162. #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
  163. qdf_mutex_t tx_bank_lock;
  164. #else
  165. qdf_spinlock_t tx_bank_lock;
  166. #endif
  167. struct dp_tx_bank_profile *bank_profiles;
  168. struct dp_spt_page_desc *page_desc_base;
  169. uint32_t cc_cmem_base;
  170. struct dp_hw_cookie_conversion_t tx_cc_ctx[MAX_TXDESC_POOLS];
  171. struct dp_hw_cookie_conversion_t rx_cc_ctx[MAX_RXDESC_POOLS];
  172. #ifdef WLAN_SUPPORT_PPEDS
  173. struct dp_srng reo2ppe_ring;
  174. struct dp_srng ppe2tcl_ring;
  175. struct dp_srng ppe_release_ring;
  176. #endif
  177. #if !defined(DISABLE_MON_CONFIG)
  178. struct dp_mon_soc_be *monitor_soc_be;
  179. #endif
  180. #ifdef WLAN_FEATURE_11BE_MLO
  181. #ifdef WLAN_MLO_MULTI_CHIP
  182. uint8_t mlo_enabled;
  183. uint8_t mlo_chip_id;
  184. struct dp_mlo_ctxt *ml_ctxt;
  185. #else
  186. /* Protect mld peer hash table */
  187. DP_MUTEX_TYPE mld_peer_hash_lock;
  188. struct {
  189. uint32_t mask;
  190. uint32_t idx_bits;
  191. TAILQ_HEAD(, dp_peer) * bins;
  192. } mld_peer_hash;
  193. #endif
  194. #endif
  195. };
  196. /* convert struct dp_soc_be pointer to struct dp_soc pointer */
  197. #define DP_SOC_BE_GET_SOC(be_soc) ((struct dp_soc *)be_soc)
  198. /**
  199. * struct dp_pdev_be - Extended DP pdev for BE targets
  200. * @pdev: dp pdev structure
  201. * @monitor_pdev_be: BE specific monitor object
  202. * @mlo_link_id: MLO link id for PDEV
  203. */
  204. struct dp_pdev_be {
  205. struct dp_pdev pdev;
  206. #if !defined(DISABLE_MON_CONFIG)
  207. struct dp_mon_pdev_be *monitor_pdev_be;
  208. #endif
  209. #ifdef WLAN_MLO_MULTI_CHIP
  210. uint8_t mlo_link_id;
  211. #endif
  212. };
  213. /**
  214. * struct dp_vdev_be - Extended DP vdev for BE targets
  215. * @vdev: dp vdev structure
  216. * @bank_id: bank_id to be used for TX
  217. * @vdev_id_check_en: flag if HW vdev_id check is enabled for vdev
  218. */
  219. struct dp_vdev_be {
  220. struct dp_vdev vdev;
  221. int8_t bank_id;
  222. uint8_t vdev_id_check_en;
  223. #ifdef WLAN_MLO_MULTI_CHIP
  224. /* partner list used for Intra-BSS */
  225. uint8_t partner_vdev_list[WLAN_MAX_MLO_CHIPS][WLAN_MAX_MLO_LINKS_PER_SOC];
  226. #ifdef WLAN_FEATURE_11BE_MLO
  227. #ifdef WLAN_MCAST_MLO
  228. /* DP MLO seq number */
  229. uint16_t seq_num;
  230. /* MLO Mcast primary vdev */
  231. bool mcast_primary;
  232. #endif
  233. #endif
  234. #endif
  235. };
  236. /**
  237. * struct dp_peer_be - Extended DP peer for BE targets
  238. * @dp_peer: dp peer structure
  239. */
  240. struct dp_peer_be {
  241. struct dp_peer peer;
  242. };
  243. /**
  244. * dp_get_soc_context_size_be() - get context size for target specific DP soc
  245. *
  246. * Return: value in bytes for BE specific soc structure
  247. */
  248. qdf_size_t dp_get_soc_context_size_be(void);
  249. /**
  250. * dp_initialize_arch_ops_be() - initialize BE specific arch ops
  251. * @arch_ops: arch ops pointer
  252. *
  253. * Return: none
  254. */
  255. void dp_initialize_arch_ops_be(struct dp_arch_ops *arch_ops);
  256. /**
  257. * dp_get_context_size_be() - get BE specific size for peer/vdev/pdev/soc
  258. * @arch_ops: arch ops pointer
  259. *
  260. * Return: size in bytes for the context_type
  261. */
  262. qdf_size_t dp_get_context_size_be(enum dp_context_type context_type);
  263. /**
  264. * dp_get_be_soc_from_dp_soc() - get dp_soc_be from dp_soc
  265. * @soc: dp_soc pointer
  266. *
  267. * Return: dp_soc_be pointer
  268. */
  269. static inline struct dp_soc_be *dp_get_be_soc_from_dp_soc(struct dp_soc *soc)
  270. {
  271. return (struct dp_soc_be *)soc;
  272. }
  273. #ifdef WLAN_MLO_MULTI_CHIP
  274. typedef struct dp_mlo_ctxt *dp_mld_peer_hash_obj_t;
  275. /*
  276. * dp_mlo_get_peer_hash_obj() - return the container struct of MLO hash table
  277. *
  278. * @soc: soc handle
  279. *
  280. * return: MLD peer hash object
  281. */
  282. static inline dp_mld_peer_hash_obj_t
  283. dp_mlo_get_peer_hash_obj(struct dp_soc *soc)
  284. {
  285. struct dp_soc_be *be_soc = dp_get_be_soc_from_dp_soc(soc);
  286. return be_soc->ml_ctxt;
  287. }
  288. void dp_clr_mlo_ptnr_list(struct dp_soc *soc, struct dp_vdev *vdev);
  289. #if defined(WLAN_FEATURE_11BE_MLO) && defined(WLAN_MCAST_MLO)
  290. typedef void dp_ptnr_vdev_iter_func(struct dp_vdev_be *be_vdev,
  291. struct dp_vdev *ptnr_vdev,
  292. void *arg);
  293. /*
  294. * dp_mcast_mlo_iter_ptnr_vdev - API to iterate through ptnr vdev list
  295. * @be_soc: dp_soc_be pointer
  296. * @be_vdev: dp_vdev_be pointer
  297. * @func : function to be called for each peer
  298. * @arg : argument need to be passed to func
  299. * @mod_id: module id
  300. *
  301. * Return: None
  302. */
  303. void dp_mcast_mlo_iter_ptnr_vdev(struct dp_soc_be *be_soc,
  304. struct dp_vdev_be *be_vdev,
  305. dp_ptnr_vdev_iter_func func,
  306. void *arg,
  307. enum dp_mod_id mod_id);
  308. /*
  309. * dp_mlo_get_mcast_primary_vdev- get ref to mcast primary vdev
  310. * @be_soc: dp_soc_be pointer
  311. * @be_vdev: dp_vdev_be pointer
  312. * @mod_id: module id
  313. *
  314. * Return: mcast primary DP VDEV handle on success, NULL on failure
  315. */
  316. struct dp_vdev *dp_mlo_get_mcast_primary_vdev(struct dp_soc_be *be_soc,
  317. struct dp_vdev_be *be_vdev,
  318. enum dp_mod_id mod_id);
  319. #endif
  320. #else
  321. typedef struct dp_soc_be *dp_mld_peer_hash_obj_t;
  322. static inline dp_mld_peer_hash_obj_t
  323. dp_mlo_get_peer_hash_obj(struct dp_soc *soc)
  324. {
  325. return dp_get_be_soc_from_dp_soc(soc);
  326. }
  327. static inline void dp_clr_mlo_ptnr_list(struct dp_soc *soc,
  328. struct dp_vdev *vdev)
  329. {
  330. }
  331. #endif
  332. /*
  333. * dp_mlo_peer_find_hash_attach_be() - API to initialize ML peer hash table
  334. *
  335. * @mld_hash_obj: Peer has object
  336. * @hash_elems: number of entries in hash table
  337. *
  338. * return: QDF_STATUS_SUCCESS when attach is success else QDF_STATUS_FAILURE
  339. */
  340. QDF_STATUS
  341. dp_mlo_peer_find_hash_attach_be(dp_mld_peer_hash_obj_t mld_hash_obj,
  342. int hash_elems);
  343. /*
  344. * dp_mlo_peer_find_hash_detach_be() - API to de-initialize ML peer hash table
  345. *
  346. * @mld_hash_obj: Peer has object
  347. *
  348. * return: void
  349. */
  350. void dp_mlo_peer_find_hash_detach_be(dp_mld_peer_hash_obj_t mld_hash_obj);
  351. /**
  352. * dp_get_be_pdev_from_dp_pdev() - get dp_pdev_be from dp_pdev
  353. * @pdev: dp_pdev pointer
  354. *
  355. * Return: dp_pdev_be pointer
  356. */
  357. static inline
  358. struct dp_pdev_be *dp_get_be_pdev_from_dp_pdev(struct dp_pdev *pdev)
  359. {
  360. return (struct dp_pdev_be *)pdev;
  361. }
  362. /**
  363. * dp_get_be_vdev_from_dp_vdev() - get dp_vdev_be from dp_vdev
  364. * @vdev: dp_vdev pointer
  365. *
  366. * Return: dp_vdev_be pointer
  367. */
  368. static inline
  369. struct dp_vdev_be *dp_get_be_vdev_from_dp_vdev(struct dp_vdev *vdev)
  370. {
  371. return (struct dp_vdev_be *)vdev;
  372. }
  373. /**
  374. * dp_get_be_peer_from_dp_peer() - get dp_peer_be from dp_peer
  375. * @peer: dp_peer pointer
  376. *
  377. * Return: dp_peer_be pointer
  378. */
  379. static inline
  380. struct dp_peer_be *dp_get_be_peer_from_dp_peer(struct dp_peer *peer)
  381. {
  382. return (struct dp_peer_be *)peer;
  383. }
  384. QDF_STATUS
  385. dp_hw_cookie_conversion_attach(struct dp_soc_be *be_soc,
  386. struct dp_hw_cookie_conversion_t *cc_ctx,
  387. uint32_t num_descs,
  388. enum dp_desc_type desc_type,
  389. uint8_t desc_pool_id);
  390. QDF_STATUS
  391. dp_hw_cookie_conversion_detach(struct dp_soc_be *be_soc,
  392. struct dp_hw_cookie_conversion_t *cc_ctx);
  393. QDF_STATUS
  394. dp_hw_cookie_conversion_init(struct dp_soc_be *be_soc,
  395. struct dp_hw_cookie_conversion_t *cc_ctx);
  396. QDF_STATUS
  397. dp_hw_cookie_conversion_deinit(struct dp_soc_be *be_soc,
  398. struct dp_hw_cookie_conversion_t *cc_ctx);
  399. /**
  400. * dp_cc_spt_page_desc_alloc() - allocate SPT DDR page descriptor from pool
  401. * @be_soc: beryllium soc handler
  402. * @list_head: pointer to page desc head
  403. * @list_tail: pointer to page desc tail
  404. * @num_desc: number of TX/RX Descs required for SPT pages
  405. *
  406. * Return: number of SPT page Desc allocated
  407. */
  408. uint16_t dp_cc_spt_page_desc_alloc(struct dp_soc_be *be_soc,
  409. struct dp_spt_page_desc **list_head,
  410. struct dp_spt_page_desc **list_tail,
  411. uint16_t num_desc);
  412. /**
  413. * dp_cc_spt_page_desc_free() - free SPT DDR page descriptor to pool
  414. * @be_soc: beryllium soc handler
  415. * @list_head: pointer to page desc head
  416. * @list_tail: pointer to page desc tail
  417. * @page_nums: number of page desc freed back to pool
  418. */
  419. void dp_cc_spt_page_desc_free(struct dp_soc_be *be_soc,
  420. struct dp_spt_page_desc **list_head,
  421. struct dp_spt_page_desc **list_tail,
  422. uint16_t page_nums);
  423. /**
  424. * dp_cc_desc_id_generate() - generate SW cookie ID according to
  425. DDR page 4K aligned or not
  426. * @ppt_index: offset index in primary page table
  427. * @spt_index: offset index in sceondary DDR page
  428. *
  429. * Generate SW cookie ID to match as HW expected
  430. *
  431. * Return: cookie ID
  432. */
  433. static inline uint32_t dp_cc_desc_id_generate(uint32_t ppt_index,
  434. uint16_t spt_index)
  435. {
  436. /*
  437. * for 4k aligned case, cmem entry size is 4 bytes,
  438. * HW index from bit19~bit10 value = ppt_index / 2, high 32bits flag
  439. * from bit9 value = ppt_index % 2, then bit 19 ~ bit9 value is
  440. * exactly same with original ppt_index value.
  441. * for 4k un-aligned case, cmem entry size is 8 bytes.
  442. * bit19 ~ bit9 will be HW index value, same as ppt_index value.
  443. */
  444. return ((((uint32_t)ppt_index) << DP_CC_DESC_ID_PPT_PAGE_OS_SHIFT) |
  445. spt_index);
  446. }
  447. /**
  448. * dp_cc_desc_va_find() - find TX/RX Descs virtual address by ID
  449. * @be_soc: be soc handle
  450. * @desc_id: TX/RX Dess ID
  451. *
  452. * Return: TX/RX Desc virtual address
  453. */
  454. static inline uintptr_t dp_cc_desc_find(struct dp_soc *soc,
  455. uint32_t desc_id)
  456. {
  457. struct dp_soc_be *be_soc;
  458. uint16_t ppt_page_id, spt_va_id;
  459. uint8_t *spt_page_va;
  460. be_soc = dp_get_be_soc_from_dp_soc(soc);
  461. ppt_page_id = (desc_id & DP_CC_DESC_ID_PPT_PAGE_OS_MASK) >>
  462. DP_CC_DESC_ID_PPT_PAGE_OS_SHIFT;
  463. spt_va_id = (desc_id & DP_CC_DESC_ID_SPT_VA_OS_MASK) >>
  464. DP_CC_DESC_ID_SPT_VA_OS_SHIFT;
  465. /*
  466. * ppt index in cmem is same order where the page in the
  467. * page desc array during initialization.
  468. * entry size in DDR page is 64 bits, for 32 bits system,
  469. * only lower 32 bits VA value is needed.
  470. */
  471. spt_page_va = be_soc->page_desc_base[ppt_page_id].page_v_addr;
  472. return (*((uintptr_t *)(spt_page_va +
  473. spt_va_id * DP_CC_HW_READ_BYTES)));
  474. }
  475. #ifdef WLAN_FEATURE_NEAR_FULL_IRQ
  476. /**
  477. * enum dp_srng_near_full_levels - SRNG Near FULL levels
  478. * @DP_SRNG_THRESH_SAFE: SRNG level safe for yielding the near full mode
  479. * of processing the entries in SRNG
  480. * @DP_SRNG_THRESH_NEAR_FULL: SRNG level enters the near full mode
  481. * of processing the entries in SRNG
  482. * @DP_SRNG_THRESH_CRITICAL: SRNG level enters the critical level of full
  483. * condition and drastic steps need to be taken for processing
  484. * the entries in SRNG
  485. */
  486. enum dp_srng_near_full_levels {
  487. DP_SRNG_THRESH_SAFE,
  488. DP_SRNG_THRESH_NEAR_FULL,
  489. DP_SRNG_THRESH_CRITICAL,
  490. };
  491. /**
  492. * dp_srng_check_ring_near_full() - Check if SRNG is marked as near-full from
  493. * its corresponding near-full irq handler
  494. * @soc: Datapath SoC handle
  495. * @dp_srng: datapath handle for this SRNG
  496. *
  497. * Return: 1, if the srng was marked as near-full
  498. * 0, if the srng was not marked as near-full
  499. */
  500. static inline int dp_srng_check_ring_near_full(struct dp_soc *soc,
  501. struct dp_srng *dp_srng)
  502. {
  503. return qdf_atomic_read(&dp_srng->near_full);
  504. }
  505. /**
  506. * dp_srng_get_near_full_level() - Check the num available entries in the
  507. * consumer srng and return the level of the srng
  508. * near full state.
  509. * @soc: Datapath SoC Handle [To be validated by the caller]
  510. * @hal_ring_hdl: SRNG handle
  511. *
  512. * Return: near-full level
  513. */
  514. static inline int
  515. dp_srng_get_near_full_level(struct dp_soc *soc, struct dp_srng *dp_srng)
  516. {
  517. uint32_t num_valid;
  518. num_valid = hal_srng_dst_num_valid_nolock(soc->hal_soc,
  519. dp_srng->hal_srng,
  520. true);
  521. if (num_valid > dp_srng->crit_thresh)
  522. return DP_SRNG_THRESH_CRITICAL;
  523. else if (num_valid < dp_srng->safe_thresh)
  524. return DP_SRNG_THRESH_SAFE;
  525. else
  526. return DP_SRNG_THRESH_NEAR_FULL;
  527. }
  528. #define DP_SRNG_PER_LOOP_NF_REAP_MULTIPLIER 2
  529. /**
  530. * dp_srng_test_and_update_nf_params() - Test the near full level and update
  531. * the reap_limit and flags to reflect the state.
  532. * @soc: Datapath soc handle
  533. * @srng: Datapath handle for the srng
  534. * @max_reap_limit: [Output Param] Buffer to set the map_reap_limit as
  535. * per the near-full state
  536. *
  537. * Return: 1, if the srng is near full
  538. * 0, if the srng is not near full
  539. */
  540. static inline int
  541. _dp_srng_test_and_update_nf_params(struct dp_soc *soc,
  542. struct dp_srng *srng,
  543. int *max_reap_limit)
  544. {
  545. int ring_near_full = 0, near_full_level;
  546. if (dp_srng_check_ring_near_full(soc, srng)) {
  547. near_full_level = dp_srng_get_near_full_level(soc, srng);
  548. switch (near_full_level) {
  549. case DP_SRNG_THRESH_CRITICAL:
  550. /* Currently not doing anything special here */
  551. /* fall through */
  552. case DP_SRNG_THRESH_NEAR_FULL:
  553. ring_near_full = 1;
  554. *max_reap_limit *= DP_SRNG_PER_LOOP_NF_REAP_MULTIPLIER;
  555. break;
  556. case DP_SRNG_THRESH_SAFE:
  557. qdf_atomic_set(&srng->near_full, 0);
  558. ring_near_full = 0;
  559. break;
  560. default:
  561. qdf_assert(0);
  562. break;
  563. }
  564. }
  565. return ring_near_full;
  566. }
  567. #else
  568. static inline int
  569. _dp_srng_test_and_update_nf_params(struct dp_soc *soc,
  570. struct dp_srng *srng,
  571. int *max_reap_limit)
  572. {
  573. return 0;
  574. }
  575. #endif
  576. static inline
  577. uint32_t dp_desc_pool_get_cmem_base(uint8_t chip_id, uint8_t desc_pool_id,
  578. enum dp_desc_type desc_type)
  579. {
  580. switch (desc_type) {
  581. case DP_TX_DESC_TYPE:
  582. return (DP_TX_DESC_CMEM_OFFSET +
  583. (desc_pool_id * DP_TX_DESC_POOL_CMEM_SIZE));
  584. case DP_RX_DESC_BUF_TYPE:
  585. return (DP_RX_DESC_CMEM_OFFSET +
  586. ((chip_id * MAX_RXDESC_POOLS) + desc_pool_id) *
  587. DP_RX_DESC_POOL_CMEM_SIZE);
  588. default:
  589. QDF_BUG(0);
  590. }
  591. return 0;
  592. }
  593. #ifndef WLAN_MLO_MULTI_CHIP
  594. static inline
  595. void dp_soc_mlo_fill_params(struct dp_soc *soc,
  596. struct cdp_soc_attach_params *params)
  597. {
  598. }
  599. static inline
  600. void dp_pdev_mlo_fill_params(struct dp_pdev *pdev,
  601. struct cdp_pdev_attach_params *params)
  602. {
  603. }
  604. #endif
  605. /*
  606. * dp_txrx_set_vdev_param_be: target specific ops while setting vdev params
  607. * @soc : DP soc handle
  608. * @vdev: pointer to vdev structure
  609. * @param: parameter type to get value
  610. * @val: value
  611. *
  612. * return: QDF_STATUS
  613. */
  614. QDF_STATUS dp_txrx_set_vdev_param_be(struct dp_soc *soc,
  615. struct dp_vdev *vdev,
  616. enum cdp_vdev_param_type param,
  617. cdp_config_param_type val);
  618. #endif