dp_rx.h 66 KB

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  1. /*
  2. * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021-2022 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. #define RX_BUFFER_RESERVATION 0
  43. #ifdef BE_PKTLOG_SUPPORT
  44. #define RX_MON_MIN_HEAD_ROOM 64
  45. #endif
  46. #define DP_DEFAULT_NOISEFLOOR (-96)
  47. #define DP_RX_DESC_MAGIC 0xdec0de
  48. #define dp_rx_alert(params...) QDF_TRACE_FATAL(QDF_MODULE_ID_DP_RX, params)
  49. #define dp_rx_err(params...) QDF_TRACE_ERROR(QDF_MODULE_ID_DP_RX, params)
  50. #define dp_rx_warn(params...) QDF_TRACE_WARN(QDF_MODULE_ID_DP_RX, params)
  51. #define dp_rx_info(params...) \
  52. __QDF_TRACE_FL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
  53. #define dp_rx_info_rl(params...) \
  54. __QDF_TRACE_RL(QDF_TRACE_LEVEL_INFO_HIGH, QDF_MODULE_ID_DP_RX, ## params)
  55. #define dp_rx_debug(params...) QDF_TRACE_DEBUG(QDF_MODULE_ID_DP_RX, params)
  56. /**
  57. * enum dp_rx_desc_state
  58. *
  59. * @RX_DESC_REPLENISH: rx desc replenished
  60. * @RX_DESC_FREELIST: rx desc in freelist
  61. */
  62. enum dp_rx_desc_state {
  63. RX_DESC_REPLENISHED,
  64. RX_DESC_IN_FREELIST,
  65. };
  66. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  67. /**
  68. * struct dp_rx_desc_dbg_info
  69. *
  70. * @freelist_caller: name of the function that put the
  71. * the rx desc in freelist
  72. * @freelist_ts: timestamp when the rx desc is put in
  73. * a freelist
  74. * @replenish_caller: name of the function that last
  75. * replenished the rx desc
  76. * @replenish_ts: last replenish timestamp
  77. * @prev_nbuf: previous nbuf info
  78. * @prev_nbuf_data_addr: previous nbuf data address
  79. */
  80. struct dp_rx_desc_dbg_info {
  81. char freelist_caller[QDF_MEM_FUNC_NAME_SIZE];
  82. uint64_t freelist_ts;
  83. char replenish_caller[QDF_MEM_FUNC_NAME_SIZE];
  84. uint64_t replenish_ts;
  85. qdf_nbuf_t prev_nbuf;
  86. uint8_t *prev_nbuf_data_addr;
  87. };
  88. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  89. /**
  90. * struct dp_rx_desc
  91. *
  92. * @nbuf : VA of the "skb" posted
  93. * @rx_buf_start : VA of the original Rx buffer, before
  94. * movement of any skb->data pointer
  95. * @paddr_buf_start : PA of the original Rx buffer, before
  96. * movement of any frag pointer
  97. * @cookie : index into the sw array which holds
  98. * the sw Rx descriptors
  99. * Cookie space is 21 bits:
  100. * lower 18 bits -- index
  101. * upper 3 bits -- pool_id
  102. * @pool_id : pool Id for which this allocated.
  103. * Can only be used if there is no flow
  104. * steering
  105. * @in_use rx_desc is in use
  106. * @unmapped used to mark rx_desc an unmapped if the corresponding
  107. * nbuf is already unmapped
  108. * @in_err_state : Nbuf sanity failed for this descriptor.
  109. * @nbuf_data_addr : VA of nbuf data posted
  110. */
  111. struct dp_rx_desc {
  112. qdf_nbuf_t nbuf;
  113. uint8_t *rx_buf_start;
  114. qdf_dma_addr_t paddr_buf_start;
  115. uint32_t cookie;
  116. uint8_t pool_id;
  117. #ifdef RX_DESC_DEBUG_CHECK
  118. uint32_t magic;
  119. uint8_t *nbuf_data_addr;
  120. struct dp_rx_desc_dbg_info *dbg_info;
  121. #endif
  122. uint8_t in_use:1,
  123. unmapped:1,
  124. in_err_state:1;
  125. };
  126. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  127. #ifdef ATH_RX_PRI_SAVE
  128. #define DP_RX_TID_SAVE(_nbuf, _tid) \
  129. (qdf_nbuf_set_priority(_nbuf, _tid))
  130. #else
  131. #define DP_RX_TID_SAVE(_nbuf, _tid)
  132. #endif
  133. /* RX Descriptor Multi Page memory alloc related */
  134. #define DP_RX_DESC_OFFSET_NUM_BITS 8
  135. #define DP_RX_DESC_PAGE_ID_NUM_BITS 8
  136. #define DP_RX_DESC_POOL_ID_NUM_BITS 4
  137. #define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS
  138. #define DP_RX_DESC_POOL_ID_SHIFT \
  139. (DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS)
  140. #define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \
  141. (((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT)
  142. #define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK \
  143. (((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \
  144. DP_RX_DESC_PAGE_ID_SHIFT)
  145. #define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \
  146. ((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1)
  147. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie) \
  148. (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >> \
  149. DP_RX_DESC_POOL_ID_SHIFT)
  150. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie) \
  151. (((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >> \
  152. DP_RX_DESC_PAGE_ID_SHIFT)
  153. #define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie) \
  154. ((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK)
  155. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  156. #define RX_DESC_COOKIE_INDEX_SHIFT 0
  157. #define RX_DESC_COOKIE_INDEX_MASK 0x3ffff /* 18 bits */
  158. #define RX_DESC_COOKIE_POOL_ID_SHIFT 18
  159. #define RX_DESC_COOKIE_POOL_ID_MASK 0x1c0000
  160. #define DP_RX_DESC_COOKIE_MAX \
  161. (RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK)
  162. #define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie) \
  163. (((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >> \
  164. RX_DESC_COOKIE_POOL_ID_SHIFT)
  165. #define DP_RX_DESC_COOKIE_INDEX_GET(_cookie) \
  166. (((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >> \
  167. RX_DESC_COOKIE_INDEX_SHIFT)
  168. #define dp_rx_add_to_free_desc_list(head, tail, new) \
  169. __dp_rx_add_to_free_desc_list(head, tail, new, __func__)
  170. #define dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
  171. num_buffers, desc_list, tail) \
  172. __dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool, \
  173. num_buffers, desc_list, tail, __func__)
  174. #ifdef DP_RX_SPECIAL_FRAME_NEED
  175. /**
  176. * dp_rx_is_special_frame() - check is RX frame special needed
  177. *
  178. * @nbuf: RX skb pointer
  179. * @frame_mask: the mask for speical frame needed
  180. *
  181. * Check is RX frame wanted matched with mask
  182. *
  183. * Return: true - special frame needed, false - no
  184. */
  185. static inline
  186. bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
  187. {
  188. if (((frame_mask & FRAME_MASK_IPV4_ARP) &&
  189. qdf_nbuf_is_ipv4_arp_pkt(nbuf)) ||
  190. ((frame_mask & FRAME_MASK_IPV4_DHCP) &&
  191. qdf_nbuf_is_ipv4_dhcp_pkt(nbuf)) ||
  192. ((frame_mask & FRAME_MASK_IPV4_EAPOL) &&
  193. qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) ||
  194. ((frame_mask & FRAME_MASK_IPV6_DHCP) &&
  195. qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))
  196. return true;
  197. return false;
  198. }
  199. /**
  200. * dp_rx_deliver_special_frame() - Deliver the RX special frame to stack
  201. * if matches mask
  202. *
  203. * @soc: Datapath soc handler
  204. * @peer: pointer to DP peer
  205. * @nbuf: pointer to the skb of RX frame
  206. * @frame_mask: the mask for speical frame needed
  207. * @rx_tlv_hdr: start of rx tlv header
  208. *
  209. * note: Msdu_len must have been stored in QDF_NBUF_CB_RX_PKT_LEN(nbuf) and
  210. * single nbuf is expected.
  211. *
  212. * return: true - nbuf has been delivered to stack, false - not.
  213. */
  214. bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_peer *peer,
  215. qdf_nbuf_t nbuf, uint32_t frame_mask,
  216. uint8_t *rx_tlv_hdr);
  217. #else
  218. static inline
  219. bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
  220. {
  221. return false;
  222. }
  223. static inline
  224. bool dp_rx_deliver_special_frame(struct dp_soc *soc, struct dp_peer *peer,
  225. qdf_nbuf_t nbuf, uint32_t frame_mask,
  226. uint8_t *rx_tlv_hdr)
  227. {
  228. return false;
  229. }
  230. #endif
  231. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  232. #ifdef DP_RX_DISABLE_NDI_MDNS_FORWARDING
  233. static inline
  234. bool dp_rx_check_ndi_mdns_fwding(struct dp_peer *ta_peer, qdf_nbuf_t nbuf)
  235. {
  236. if (ta_peer->vdev->opmode == wlan_op_mode_ndi &&
  237. qdf_nbuf_is_ipv6_mdns_pkt(nbuf)) {
  238. DP_STATS_INC(ta_peer, rx.intra_bss.mdns_no_fwd, 1);
  239. return false;
  240. }
  241. return true;
  242. }
  243. #else
  244. static inline
  245. bool dp_rx_check_ndi_mdns_fwding(struct dp_peer *ta_peer, qdf_nbuf_t nbuf)
  246. {
  247. return true;
  248. }
  249. #endif
  250. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  251. /* DOC: Offset to obtain LLC hdr
  252. *
  253. * In the case of Wifi parse error
  254. * to reach LLC header from beginning
  255. * of VLAN tag we need to skip 8 bytes.
  256. * Vlan_tag(4)+length(2)+length added
  257. * by HW(2) = 8 bytes.
  258. */
  259. #define DP_SKIP_VLAN 8
  260. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  261. /**
  262. * struct dp_rx_cached_buf - rx cached buffer
  263. * @list: linked list node
  264. * @buf: skb buffer
  265. */
  266. struct dp_rx_cached_buf {
  267. qdf_list_node_t node;
  268. qdf_nbuf_t buf;
  269. };
  270. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  271. /*
  272. *dp_rx_xor_block() - xor block of data
  273. *@b: destination data block
  274. *@a: source data block
  275. *@len: length of the data to process
  276. *
  277. *Returns: None
  278. */
  279. static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len)
  280. {
  281. qdf_size_t i;
  282. for (i = 0; i < len; i++)
  283. b[i] ^= a[i];
  284. }
  285. /*
  286. *dp_rx_rotl() - rotate the bits left
  287. *@val: unsigned integer input value
  288. *@bits: number of bits
  289. *
  290. *Returns: Integer with left rotated by number of 'bits'
  291. */
  292. static inline uint32_t dp_rx_rotl(uint32_t val, int bits)
  293. {
  294. return (val << bits) | (val >> (32 - bits));
  295. }
  296. /*
  297. *dp_rx_rotr() - rotate the bits right
  298. *@val: unsigned integer input value
  299. *@bits: number of bits
  300. *
  301. *Returns: Integer with right rotated by number of 'bits'
  302. */
  303. static inline uint32_t dp_rx_rotr(uint32_t val, int bits)
  304. {
  305. return (val >> bits) | (val << (32 - bits));
  306. }
  307. /*
  308. * dp_set_rx_queue() - set queue_mapping in skb
  309. * @nbuf: skb
  310. * @queue_id: rx queue_id
  311. *
  312. * Return: void
  313. */
  314. #ifdef QCA_OL_RX_MULTIQ_SUPPORT
  315. static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
  316. {
  317. qdf_nbuf_record_rx_queue(nbuf, queue_id);
  318. return;
  319. }
  320. #else
  321. static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
  322. {
  323. }
  324. #endif
  325. /*
  326. *dp_rx_xswap() - swap the bits left
  327. *@val: unsigned integer input value
  328. *
  329. *Returns: Integer with bits swapped
  330. */
  331. static inline uint32_t dp_rx_xswap(uint32_t val)
  332. {
  333. return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
  334. }
  335. /*
  336. *dp_rx_get_le32_split() - get little endian 32 bits split
  337. *@b0: byte 0
  338. *@b1: byte 1
  339. *@b2: byte 2
  340. *@b3: byte 3
  341. *
  342. *Returns: Integer with split little endian 32 bits
  343. */
  344. static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2,
  345. uint8_t b3)
  346. {
  347. return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
  348. }
  349. /*
  350. *dp_rx_get_le32() - get little endian 32 bits
  351. *@b0: byte 0
  352. *@b1: byte 1
  353. *@b2: byte 2
  354. *@b3: byte 3
  355. *
  356. *Returns: Integer with little endian 32 bits
  357. */
  358. static inline uint32_t dp_rx_get_le32(const uint8_t *p)
  359. {
  360. return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]);
  361. }
  362. /*
  363. * dp_rx_put_le32() - put little endian 32 bits
  364. * @p: destination char array
  365. * @v: source 32-bit integer
  366. *
  367. * Returns: None
  368. */
  369. static inline void dp_rx_put_le32(uint8_t *p, uint32_t v)
  370. {
  371. p[0] = (v) & 0xff;
  372. p[1] = (v >> 8) & 0xff;
  373. p[2] = (v >> 16) & 0xff;
  374. p[3] = (v >> 24) & 0xff;
  375. }
  376. /* Extract michal mic block of data */
  377. #define dp_rx_michael_block(l, r) \
  378. do { \
  379. r ^= dp_rx_rotl(l, 17); \
  380. l += r; \
  381. r ^= dp_rx_xswap(l); \
  382. l += r; \
  383. r ^= dp_rx_rotl(l, 3); \
  384. l += r; \
  385. r ^= dp_rx_rotr(l, 2); \
  386. l += r; \
  387. } while (0)
  388. /**
  389. * struct dp_rx_desc_list_elem_t
  390. *
  391. * @next : Next pointer to form free list
  392. * @rx_desc : DP Rx descriptor
  393. */
  394. union dp_rx_desc_list_elem_t {
  395. union dp_rx_desc_list_elem_t *next;
  396. struct dp_rx_desc rx_desc;
  397. };
  398. #ifdef RX_DESC_MULTI_PAGE_ALLOC
  399. /**
  400. * dp_rx_desc_find() - find dp rx descriptor from page ID and offset
  401. * @page_id: Page ID
  402. * @offset: Offset of the descriptor element
  403. *
  404. * Return: RX descriptor element
  405. */
  406. union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset,
  407. struct rx_desc_pool *rx_pool);
  408. static inline
  409. struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc,
  410. struct rx_desc_pool *pool,
  411. uint32_t cookie)
  412. {
  413. uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
  414. uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
  415. uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
  416. struct rx_desc_pool *rx_desc_pool;
  417. union dp_rx_desc_list_elem_t *rx_desc_elem;
  418. if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
  419. return NULL;
  420. rx_desc_pool = &pool[pool_id];
  421. rx_desc_elem = (union dp_rx_desc_list_elem_t *)
  422. (rx_desc_pool->desc_pages.cacheable_pages[page_id] +
  423. rx_desc_pool->elem_size * offset);
  424. return &rx_desc_elem->rx_desc;
  425. }
  426. /**
  427. * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
  428. * the Rx descriptor on Rx DMA source ring buffer
  429. * @soc: core txrx main context
  430. * @cookie: cookie used to lookup virtual address
  431. *
  432. * Return: Pointer to the Rx descriptor
  433. */
  434. static inline
  435. struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc,
  436. uint32_t cookie)
  437. {
  438. return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie);
  439. }
  440. /**
  441. * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
  442. * the Rx descriptor on monitor ring buffer
  443. * @soc: core txrx main context
  444. * @cookie: cookie used to lookup virtual address
  445. *
  446. * Return: Pointer to the Rx descriptor
  447. */
  448. static inline
  449. struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc,
  450. uint32_t cookie)
  451. {
  452. return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie);
  453. }
  454. /**
  455. * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
  456. * the Rx descriptor on monitor status ring buffer
  457. * @soc: core txrx main context
  458. * @cookie: cookie used to lookup virtual address
  459. *
  460. * Return: Pointer to the Rx descriptor
  461. */
  462. static inline
  463. struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc,
  464. uint32_t cookie)
  465. {
  466. return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_status[0], cookie);
  467. }
  468. #else
  469. void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
  470. uint32_t pool_size,
  471. struct rx_desc_pool *rx_desc_pool);
  472. /**
  473. * dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
  474. * the Rx descriptor on Rx DMA source ring buffer
  475. * @soc: core txrx main context
  476. * @cookie: cookie used to lookup virtual address
  477. *
  478. * Return: void *: Virtual Address of the Rx descriptor
  479. */
  480. static inline
  481. void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie)
  482. {
  483. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  484. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  485. struct rx_desc_pool *rx_desc_pool;
  486. if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
  487. return NULL;
  488. rx_desc_pool = &soc->rx_desc_buf[pool_id];
  489. if (qdf_unlikely(index >= rx_desc_pool->pool_size))
  490. return NULL;
  491. return &rx_desc_pool->array[index].rx_desc;
  492. }
  493. /**
  494. * dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
  495. * the Rx descriptor on monitor ring buffer
  496. * @soc: core txrx main context
  497. * @cookie: cookie used to lookup virtual address
  498. *
  499. * Return: void *: Virtual Address of the Rx descriptor
  500. */
  501. static inline
  502. void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie)
  503. {
  504. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  505. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  506. /* TODO */
  507. /* Add sanity for pool_id & index */
  508. return &(soc->rx_desc_mon[pool_id].array[index].rx_desc);
  509. }
  510. /**
  511. * dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
  512. * the Rx descriptor on monitor status ring buffer
  513. * @soc: core txrx main context
  514. * @cookie: cookie used to lookup virtual address
  515. *
  516. * Return: void *: Virtual Address of the Rx descriptor
  517. */
  518. static inline
  519. void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie)
  520. {
  521. uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
  522. uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
  523. /* TODO */
  524. /* Add sanity for pool_id & index */
  525. return &(soc->rx_desc_status[pool_id].array[index].rx_desc);
  526. }
  527. #endif /* RX_DESC_MULTI_PAGE_ALLOC */
  528. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  529. static inline bool dp_rx_check_ap_bridge(struct dp_vdev *vdev)
  530. {
  531. return vdev->ap_bridge_enabled;
  532. }
  533. #ifdef DP_RX_DESC_COOKIE_INVALIDATE
  534. static inline QDF_STATUS
  535. dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
  536. {
  537. if (qdf_unlikely(HAL_RX_REO_BUF_COOKIE_INVALID_GET(ring_desc)))
  538. return QDF_STATUS_E_FAILURE;
  539. HAL_RX_REO_BUF_COOKIE_INVALID_SET(ring_desc);
  540. return QDF_STATUS_SUCCESS;
  541. }
  542. /**
  543. * dp_rx_cookie_reset_invalid_bit() - Reset the invalid bit of the cookie
  544. * field in ring descriptor
  545. * @ring_desc: ring descriptor
  546. *
  547. * Return: None
  548. */
  549. static inline void
  550. dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
  551. {
  552. HAL_RX_REO_BUF_COOKIE_INVALID_RESET(ring_desc);
  553. }
  554. #else
  555. static inline QDF_STATUS
  556. dp_rx_cookie_check_and_invalidate(hal_ring_desc_t ring_desc)
  557. {
  558. return QDF_STATUS_SUCCESS;
  559. }
  560. static inline void
  561. dp_rx_cookie_reset_invalid_bit(hal_ring_desc_t ring_desc)
  562. {
  563. }
  564. #endif
  565. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  566. QDF_STATUS dp_rx_desc_pool_is_allocated(struct rx_desc_pool *rx_desc_pool);
  567. QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc,
  568. uint32_t pool_size,
  569. struct rx_desc_pool *rx_desc_pool);
  570. void dp_rx_desc_pool_init(struct dp_soc *soc, uint32_t pool_id,
  571. uint32_t pool_size,
  572. struct rx_desc_pool *rx_desc_pool);
  573. void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc,
  574. union dp_rx_desc_list_elem_t **local_desc_list,
  575. union dp_rx_desc_list_elem_t **tail,
  576. uint16_t pool_id,
  577. struct rx_desc_pool *rx_desc_pool);
  578. uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id,
  579. struct rx_desc_pool *rx_desc_pool,
  580. uint16_t num_descs,
  581. union dp_rx_desc_list_elem_t **desc_list,
  582. union dp_rx_desc_list_elem_t **tail);
  583. QDF_STATUS dp_rx_pdev_desc_pool_alloc(struct dp_pdev *pdev);
  584. void dp_rx_pdev_desc_pool_free(struct dp_pdev *pdev);
  585. QDF_STATUS dp_rx_pdev_desc_pool_init(struct dp_pdev *pdev);
  586. void dp_rx_pdev_desc_pool_deinit(struct dp_pdev *pdev);
  587. void dp_rx_desc_pool_deinit(struct dp_soc *soc,
  588. struct rx_desc_pool *rx_desc_pool,
  589. uint32_t pool_id);
  590. QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
  591. QDF_STATUS dp_rx_pdev_buffers_alloc(struct dp_pdev *pdev);
  592. void dp_rx_pdev_buffers_free(struct dp_pdev *pdev);
  593. void dp_rx_pdev_detach(struct dp_pdev *pdev);
  594. void dp_print_napi_stats(struct dp_soc *soc);
  595. /**
  596. * dp_rx_vdev_detach() - detach vdev from dp rx
  597. * @vdev: virtual device instance
  598. *
  599. * Return: QDF_STATUS_SUCCESS: success
  600. * QDF_STATUS_E_RESOURCES: Error return
  601. */
  602. QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev);
  603. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  604. uint32_t
  605. dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,
  606. uint8_t reo_ring_num,
  607. uint32_t quota);
  608. /**
  609. * dp_rx_err_process() - Processes error frames routed to REO error ring
  610. * @int_ctx: pointer to DP interrupt context
  611. * @soc: core txrx main context
  612. * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
  613. * @quota: No. of units (packets) that can be serviced in one shot.
  614. *
  615. * This function implements error processing and top level demultiplexer
  616. * for all the frames routed to REO error ring.
  617. *
  618. * Return: uint32_t: No. of elements processed
  619. */
  620. uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  621. hal_ring_handle_t hal_ring_hdl, uint32_t quota);
  622. /**
  623. * dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring
  624. * @int_ctx: pointer to DP interrupt context
  625. * @soc: core txrx main context
  626. * @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
  627. * @quota: No. of units (packets) that can be serviced in one shot.
  628. *
  629. * This function implements error processing and top level demultiplexer
  630. * for all the frames routed to WBM2HOST sw release ring.
  631. *
  632. * Return: uint32_t: No. of elements processed
  633. */
  634. uint32_t
  635. dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  636. hal_ring_handle_t hal_ring_hdl, uint32_t quota);
  637. /**
  638. * dp_rx_sg_create() - create a frag_list for MSDUs which are spread across
  639. * multiple nbufs.
  640. * @soc: core txrx main context
  641. * @nbuf: pointer to the first msdu of an amsdu.
  642. *
  643. * This function implements the creation of RX frag_list for cases
  644. * where an MSDU is spread across multiple nbufs.
  645. *
  646. * Return: returns the head nbuf which contains complete frag_list.
  647. */
  648. qdf_nbuf_t dp_rx_sg_create(struct dp_soc *soc, qdf_nbuf_t nbuf);
  649. /*
  650. * dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during
  651. * de-initialization of wifi module.
  652. *
  653. * @soc: core txrx main context
  654. * @pool_id: pool_id which is one of 3 mac_ids
  655. * @rx_desc_pool: rx descriptor pool pointer
  656. *
  657. * Return: None
  658. */
  659. void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id,
  660. struct rx_desc_pool *rx_desc_pool);
  661. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  662. /*
  663. * dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during
  664. * de-initialization of wifi module.
  665. *
  666. * @soc: core txrx main context
  667. * @pool_id: pool_id which is one of 3 mac_ids
  668. * @rx_desc_pool: rx descriptor pool pointer
  669. *
  670. * Return: None
  671. */
  672. void dp_rx_desc_nbuf_free(struct dp_soc *soc,
  673. struct rx_desc_pool *rx_desc_pool);
  674. #ifdef DP_RX_MON_MEM_FRAG
  675. /*
  676. * dp_rx_desc_frag_free() - free the sw rx desc frag called during
  677. * de-initialization of wifi module.
  678. *
  679. * @soc: core txrx main context
  680. * @rx_desc_pool: rx descriptor pool pointer
  681. *
  682. * Return: None
  683. */
  684. void dp_rx_desc_frag_free(struct dp_soc *soc,
  685. struct rx_desc_pool *rx_desc_pool);
  686. #else
  687. static inline
  688. void dp_rx_desc_frag_free(struct dp_soc *soc,
  689. struct rx_desc_pool *rx_desc_pool)
  690. {
  691. }
  692. #endif
  693. /*
  694. * dp_rx_desc_pool_free() - free the sw rx desc array called during
  695. * de-initialization of wifi module.
  696. *
  697. * @soc: core txrx main context
  698. * @rx_desc_pool: rx descriptor pool pointer
  699. *
  700. * Return: None
  701. */
  702. void dp_rx_desc_pool_free(struct dp_soc *soc,
  703. struct rx_desc_pool *rx_desc_pool);
  704. void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list,
  705. struct dp_peer *peer);
  706. #ifdef RX_DESC_LOGGING
  707. /*
  708. * dp_rx_desc_alloc_dbg_info() - Alloc memory for rx descriptor debug
  709. * structure
  710. * @rx_desc: rx descriptor pointer
  711. *
  712. * Return: None
  713. */
  714. static inline
  715. void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
  716. {
  717. rx_desc->dbg_info = qdf_mem_malloc(sizeof(struct dp_rx_desc_dbg_info));
  718. }
  719. /*
  720. * dp_rx_desc_free_dbg_info() - Free rx descriptor debug
  721. * structure memory
  722. * @rx_desc: rx descriptor pointer
  723. *
  724. * Return: None
  725. */
  726. static inline
  727. void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
  728. {
  729. qdf_mem_free(rx_desc->dbg_info);
  730. }
  731. /*
  732. * dp_rx_desc_update_dbg_info() - Update rx descriptor debug info
  733. * structure memory
  734. * @rx_desc: rx descriptor pointer
  735. *
  736. * Return: None
  737. */
  738. static
  739. void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
  740. const char *func_name, uint8_t flag)
  741. {
  742. struct dp_rx_desc_dbg_info *info = rx_desc->dbg_info;
  743. if (!info)
  744. return;
  745. if (flag == RX_DESC_REPLENISHED) {
  746. qdf_str_lcopy(info->replenish_caller, func_name,
  747. QDF_MEM_FUNC_NAME_SIZE);
  748. info->replenish_ts = qdf_get_log_timestamp();
  749. } else {
  750. qdf_str_lcopy(info->freelist_caller, func_name,
  751. QDF_MEM_FUNC_NAME_SIZE);
  752. info->freelist_ts = qdf_get_log_timestamp();
  753. info->prev_nbuf = rx_desc->nbuf;
  754. info->prev_nbuf_data_addr = rx_desc->nbuf_data_addr;
  755. rx_desc->nbuf_data_addr = NULL;
  756. }
  757. }
  758. #else
  759. static inline
  760. void dp_rx_desc_alloc_dbg_info(struct dp_rx_desc *rx_desc)
  761. {
  762. }
  763. static inline
  764. void dp_rx_desc_free_dbg_info(struct dp_rx_desc *rx_desc)
  765. {
  766. }
  767. static inline
  768. void dp_rx_desc_update_dbg_info(struct dp_rx_desc *rx_desc,
  769. const char *func_name, uint8_t flag)
  770. {
  771. }
  772. #endif /* RX_DESC_LOGGING */
  773. /**
  774. * dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list
  775. *
  776. * @head: pointer to the head of local free list
  777. * @tail: pointer to the tail of local free list
  778. * @new: new descriptor that is added to the free list
  779. * @func_name: caller func name
  780. *
  781. * Return: void:
  782. */
  783. static inline
  784. void __dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head,
  785. union dp_rx_desc_list_elem_t **tail,
  786. struct dp_rx_desc *new, const char *func_name)
  787. {
  788. qdf_assert(head && new);
  789. dp_rx_desc_update_dbg_info(new, func_name, RX_DESC_IN_FREELIST);
  790. new->nbuf = NULL;
  791. new->in_use = 0;
  792. ((union dp_rx_desc_list_elem_t *)new)->next = *head;
  793. *head = (union dp_rx_desc_list_elem_t *)new;
  794. /* reset tail if head->next is NULL */
  795. if (!*tail || !(*head)->next)
  796. *tail = *head;
  797. }
  798. uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  799. uint8_t mac_id);
  800. void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc,
  801. qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id);
  802. void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf,
  803. uint8_t *rx_tlv_hdr, struct dp_peer *peer);
  804. void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
  805. uint16_t peer_id, uint8_t tid);
  806. #define DP_RX_HEAD_APPEND(head, elem) \
  807. do { \
  808. qdf_nbuf_set_next((elem), (head)); \
  809. (head) = (elem); \
  810. } while (0)
  811. #define DP_RX_LIST_APPEND(head, tail, elem) \
  812. do { \
  813. if (!(head)) { \
  814. (head) = (elem); \
  815. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\
  816. } else { \
  817. qdf_nbuf_set_next((tail), (elem)); \
  818. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++; \
  819. } \
  820. (tail) = (elem); \
  821. qdf_nbuf_set_next((tail), NULL); \
  822. } while (0)
  823. #define DP_RX_MERGE_TWO_LIST(phead, ptail, chead, ctail) \
  824. do { \
  825. if (!(phead)) { \
  826. (phead) = (chead); \
  827. } else { \
  828. qdf_nbuf_set_next((ptail), (chead)); \
  829. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(phead) += \
  830. QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(chead); \
  831. } \
  832. (ptail) = (ctail); \
  833. qdf_nbuf_set_next((ptail), NULL); \
  834. } while (0)
  835. #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM)
  836. /*
  837. * on some third-party platform, the memory below 0x2000
  838. * is reserved for target use, so any memory allocated in this
  839. * region should not be used by host
  840. */
  841. #define MAX_RETRY 50
  842. #define DP_PHY_ADDR_RESERVED 0x2000
  843. #elif defined(BUILD_X86)
  844. /*
  845. * in M2M emulation platforms (x86) the memory below 0x50000000
  846. * is reserved for target use, so any memory allocated in this
  847. * region should not be used by host
  848. */
  849. #define MAX_RETRY 100
  850. #define DP_PHY_ADDR_RESERVED 0x50000000
  851. #endif
  852. #if defined(QCA_PADDR_CHECK_ON_3TH_PLATFORM) || defined(BUILD_X86)
  853. /**
  854. * dp_check_paddr() - check if current phy address is valid or not
  855. * @dp_soc: core txrx main context
  856. * @rx_netbuf: skb buffer
  857. * @paddr: physical address
  858. * @rx_desc_pool: struct of rx descriptor pool
  859. * check if the physical address of the nbuf->data is less
  860. * than DP_PHY_ADDR_RESERVED then free the nbuf and try
  861. * allocating new nbuf. We can try for 100 times.
  862. *
  863. * This is a temp WAR till we fix it properly.
  864. *
  865. * Return: success or failure.
  866. */
  867. static inline
  868. int dp_check_paddr(struct dp_soc *dp_soc,
  869. qdf_nbuf_t *rx_netbuf,
  870. qdf_dma_addr_t *paddr,
  871. struct rx_desc_pool *rx_desc_pool)
  872. {
  873. uint32_t nbuf_retry = 0;
  874. int32_t ret;
  875. if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
  876. return QDF_STATUS_SUCCESS;
  877. do {
  878. dp_debug("invalid phy addr 0x%llx, trying again",
  879. (uint64_t)(*paddr));
  880. nbuf_retry++;
  881. if ((*rx_netbuf)) {
  882. /* Not freeing buffer intentionally.
  883. * Observed that same buffer is getting
  884. * re-allocated resulting in longer load time
  885. * WMI init timeout.
  886. * This buffer is anyway not useful so skip it.
  887. *.Add such buffer to invalid list and free
  888. *.them when driver unload.
  889. **/
  890. qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
  891. *rx_netbuf,
  892. QDF_DMA_FROM_DEVICE,
  893. rx_desc_pool->buf_size);
  894. qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
  895. *rx_netbuf);
  896. }
  897. *rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev,
  898. rx_desc_pool->buf_size,
  899. RX_BUFFER_RESERVATION,
  900. rx_desc_pool->buf_alignment,
  901. FALSE);
  902. if (qdf_unlikely(!(*rx_netbuf)))
  903. return QDF_STATUS_E_FAILURE;
  904. ret = qdf_nbuf_map_nbytes_single(dp_soc->osdev,
  905. *rx_netbuf,
  906. QDF_DMA_FROM_DEVICE,
  907. rx_desc_pool->buf_size);
  908. if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) {
  909. qdf_nbuf_free(*rx_netbuf);
  910. *rx_netbuf = NULL;
  911. continue;
  912. }
  913. *paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0);
  914. if (qdf_likely(*paddr > DP_PHY_ADDR_RESERVED))
  915. return QDF_STATUS_SUCCESS;
  916. } while (nbuf_retry < MAX_RETRY);
  917. if ((*rx_netbuf)) {
  918. qdf_nbuf_unmap_nbytes_single(dp_soc->osdev,
  919. *rx_netbuf,
  920. QDF_DMA_FROM_DEVICE,
  921. rx_desc_pool->buf_size);
  922. qdf_nbuf_queue_add(&dp_soc->invalid_buf_queue,
  923. *rx_netbuf);
  924. }
  925. return QDF_STATUS_E_FAILURE;
  926. }
  927. #else
  928. static inline
  929. int dp_check_paddr(struct dp_soc *dp_soc,
  930. qdf_nbuf_t *rx_netbuf,
  931. qdf_dma_addr_t *paddr,
  932. struct rx_desc_pool *rx_desc_pool)
  933. {
  934. return QDF_STATUS_SUCCESS;
  935. }
  936. #endif
  937. /**
  938. * dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of
  939. * the MSDU Link Descriptor
  940. * @soc: core txrx main context
  941. * @buf_info: buf_info includes cookie that is used to lookup
  942. * virtual address of link descriptor after deriving the page id
  943. * and the offset or index of the desc on the associatde page.
  944. *
  945. * This is the VA of the link descriptor, that HAL layer later uses to
  946. * retrieve the list of MSDU's for a given MPDU.
  947. *
  948. * Return: void *: Virtual Address of the Rx descriptor
  949. */
  950. static inline
  951. void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc,
  952. struct hal_buf_info *buf_info)
  953. {
  954. void *link_desc_va;
  955. struct qdf_mem_multi_page_t *pages;
  956. uint16_t page_id = LINK_DESC_COOKIE_PAGE_ID(buf_info->sw_cookie);
  957. pages = &soc->link_desc_pages;
  958. if (!pages)
  959. return NULL;
  960. if (qdf_unlikely(page_id >= pages->num_pages))
  961. return NULL;
  962. link_desc_va = pages->dma_pages[page_id].page_v_addr_start +
  963. (buf_info->paddr - pages->dma_pages[page_id].page_p_addr);
  964. return link_desc_va;
  965. }
  966. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  967. #ifdef DISABLE_EAPOL_INTRABSS_FWD
  968. #ifdef WLAN_FEATURE_11BE_MLO
  969. static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
  970. qdf_nbuf_t nbuf)
  971. {
  972. struct qdf_mac_addr *self_mld_mac_addr =
  973. (struct qdf_mac_addr *)vdev->mld_mac_addr.raw;
  974. return qdf_is_macaddr_equal(self_mld_mac_addr,
  975. (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
  976. QDF_NBUF_DEST_MAC_OFFSET);
  977. }
  978. #else
  979. static inline bool dp_nbuf_dst_addr_is_mld_addr(struct dp_vdev *vdev,
  980. qdf_nbuf_t nbuf)
  981. {
  982. return false;
  983. }
  984. #endif
  985. static inline bool dp_nbuf_dst_addr_is_self_addr(struct dp_vdev *vdev,
  986. qdf_nbuf_t nbuf)
  987. {
  988. return qdf_is_macaddr_equal((struct qdf_mac_addr *)vdev->mac_addr.raw,
  989. (struct qdf_mac_addr *)qdf_nbuf_data(nbuf) +
  990. QDF_NBUF_DEST_MAC_OFFSET);
  991. }
  992. /*
  993. * dp_rx_intrabss_eapol_drop_check() - API For EAPOL
  994. * pkt with DA not equal to vdev mac addr, fwd is not allowed.
  995. * @soc: core txrx main context
  996. * @ta_peer: source peer entry
  997. * @rx_tlv_hdr: start address of rx tlvs
  998. * @nbuf: nbuf that has to be intrabss forwarded
  999. *
  1000. * Return: true if it is forwarded else false
  1001. */
  1002. static inline
  1003. bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
  1004. struct dp_peer *ta_peer,
  1005. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
  1006. {
  1007. if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf) &&
  1008. !(dp_nbuf_dst_addr_is_self_addr(ta_peer->vdev, nbuf) ||
  1009. dp_nbuf_dst_addr_is_mld_addr(ta_peer->vdev, nbuf)))) {
  1010. qdf_nbuf_free(nbuf);
  1011. DP_STATS_INC(soc, rx.err.intrabss_eapol_drop, 1);
  1012. return true;
  1013. }
  1014. return false;
  1015. }
  1016. #else /* DISABLE_EAPOL_INTRABSS_FWD */
  1017. static inline
  1018. bool dp_rx_intrabss_eapol_drop_check(struct dp_soc *soc,
  1019. struct dp_peer *ta_peer,
  1020. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf)
  1021. {
  1022. return false;
  1023. }
  1024. #endif /* DISABLE_EAPOL_INTRABSS_FWD */
  1025. bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc, struct dp_peer *ta_peer,
  1026. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
  1027. struct cdp_tid_rx_stats *tid_stats);
  1028. bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc, struct dp_peer *ta_peer,
  1029. uint8_t tx_vdev_id,
  1030. uint8_t *rx_tlv_hdr, qdf_nbuf_t nbuf,
  1031. struct cdp_tid_rx_stats *tid_stats);
  1032. /**
  1033. * dp_rx_defrag_concat() - Concatenate the fragments
  1034. *
  1035. * @dst: destination pointer to the buffer
  1036. * @src: source pointer from where the fragment payload is to be copied
  1037. *
  1038. * Return: QDF_STATUS
  1039. */
  1040. static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src)
  1041. {
  1042. /*
  1043. * Inside qdf_nbuf_cat, if it is necessary to reallocate dst
  1044. * to provide space for src, the headroom portion is copied from
  1045. * the original dst buffer to the larger new dst buffer.
  1046. * (This is needed, because the headroom of the dst buffer
  1047. * contains the rx desc.)
  1048. */
  1049. if (!qdf_nbuf_cat(dst, src)) {
  1050. /*
  1051. * qdf_nbuf_cat does not free the src memory.
  1052. * Free src nbuf before returning
  1053. * For failure case the caller takes of freeing the nbuf
  1054. */
  1055. qdf_nbuf_free(src);
  1056. return QDF_STATUS_SUCCESS;
  1057. }
  1058. return QDF_STATUS_E_DEFRAG_ERROR;
  1059. }
  1060. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1061. #ifndef FEATURE_WDS
  1062. void dp_rx_da_learn(struct dp_soc *soc, uint8_t *rx_tlv_hdr,
  1063. struct dp_peer *ta_peer, qdf_nbuf_t nbuf);
  1064. static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active)
  1065. {
  1066. return QDF_STATUS_SUCCESS;
  1067. }
  1068. static inline void
  1069. dp_rx_wds_srcport_learn(struct dp_soc *soc,
  1070. uint8_t *rx_tlv_hdr,
  1071. struct dp_peer *ta_peer,
  1072. qdf_nbuf_t nbuf,
  1073. struct hal_rx_msdu_metadata msdu_metadata)
  1074. {
  1075. }
  1076. #endif
  1077. /*
  1078. * dp_rx_desc_dump() - dump the sw rx descriptor
  1079. *
  1080. * @rx_desc: sw rx descriptor
  1081. */
  1082. static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc)
  1083. {
  1084. dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d",
  1085. rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id,
  1086. rx_desc->in_use, rx_desc->unmapped);
  1087. }
  1088. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1089. /*
  1090. * check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet.
  1091. * In qwrap mode, packets originated from
  1092. * any vdev should not loopback and
  1093. * should be dropped.
  1094. * @vdev: vdev on which rx packet is received
  1095. * @nbuf: rx pkt
  1096. *
  1097. */
  1098. #if ATH_SUPPORT_WRAP
  1099. static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
  1100. qdf_nbuf_t nbuf)
  1101. {
  1102. struct dp_vdev *psta_vdev;
  1103. struct dp_pdev *pdev = vdev->pdev;
  1104. uint8_t *data = qdf_nbuf_data(nbuf);
  1105. if (qdf_unlikely(vdev->proxysta_vdev)) {
  1106. /* In qwrap isolation mode, allow loopback packets as all
  1107. * packets go to RootAP and Loopback on the mpsta.
  1108. */
  1109. if (vdev->isolation_vdev)
  1110. return false;
  1111. TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) {
  1112. if (qdf_unlikely(psta_vdev->proxysta_vdev &&
  1113. !qdf_mem_cmp(psta_vdev->mac_addr.raw,
  1114. &data[QDF_MAC_ADDR_SIZE],
  1115. QDF_MAC_ADDR_SIZE))) {
  1116. /* Drop packet if source address is equal to
  1117. * any of the vdev addresses.
  1118. */
  1119. return true;
  1120. }
  1121. }
  1122. }
  1123. return false;
  1124. }
  1125. #else
  1126. static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
  1127. qdf_nbuf_t nbuf)
  1128. {
  1129. return false;
  1130. }
  1131. #endif
  1132. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1133. #if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
  1134. defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\
  1135. defined(WLAN_SUPPORT_RX_FLOW_TAG)
  1136. #include "dp_rx_tag.h"
  1137. #endif
  1138. #if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\
  1139. !defined(WLAN_SUPPORT_RX_FLOW_TAG)
  1140. /**
  1141. * dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
  1142. * and set the corresponding tag in QDF packet
  1143. * @soc: core txrx main context
  1144. * @vdev: vdev on which the packet is received
  1145. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1146. * @rx_tlv_hdr: rBbase address where the RX TLVs starts
  1147. * @ring_index: REO ring number, not used for error & monitor ring
  1148. * @is_reo_exception: flag to indicate if rx from REO ring or exception ring
  1149. * @is_update_stats: flag to indicate whether to update stats or not
  1150. * Return: void
  1151. */
  1152. static inline void
  1153. dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
  1154. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
  1155. uint16_t ring_index,
  1156. bool is_reo_exception, bool is_update_stats)
  1157. {
  1158. }
  1159. #endif
  1160. #ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
  1161. /**
  1162. * dp_rx_err_cce_drop() - Reads CCE metadata from the RX MSDU end TLV
  1163. * and returns whether cce metadata matches
  1164. * @soc: core txrx main context
  1165. * @vdev: vdev on which the packet is received
  1166. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1167. * @rx_tlv_hdr: rBbase address where the RX TLVs starts
  1168. * Return: bool
  1169. */
  1170. static inline bool
  1171. dp_rx_err_cce_drop(struct dp_soc *soc, struct dp_vdev *vdev,
  1172. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
  1173. {
  1174. return false;
  1175. }
  1176. #endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
  1177. #ifndef WLAN_SUPPORT_RX_FLOW_TAG
  1178. /**
  1179. * dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
  1180. * and set the corresponding tag in QDF packet
  1181. * @soc: core txrx main context
  1182. * @vdev: vdev on which the packet is received
  1183. * @nbuf: QDF pkt buffer on which the protocol tag should be set
  1184. * @rx_tlv_hdr: base address where the RX TLVs starts
  1185. * @is_update_stats: flag to indicate whether to update stats or not
  1186. *
  1187. * Return: void
  1188. */
  1189. static inline void
  1190. dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
  1191. qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
  1192. {
  1193. }
  1194. #endif /* WLAN_SUPPORT_RX_FLOW_TAG */
  1195. /*
  1196. * dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs
  1197. * called during dp rx initialization
  1198. * and at the end of dp_rx_process.
  1199. *
  1200. * @soc: core txrx main context
  1201. * @mac_id: mac_id which is one of 3 mac_ids
  1202. * @dp_rxdma_srng: dp rxdma circular ring
  1203. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1204. * @num_req_buffers: number of buffer to be replenished
  1205. * @desc_list: list of descs if called from dp_rx_process
  1206. * or NULL during dp rx initialization or out of buffer
  1207. * interrupt.
  1208. * @tail: tail of descs list
  1209. * @func_name: name of the caller function
  1210. * Return: return success or failure
  1211. */
  1212. QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1213. struct dp_srng *dp_rxdma_srng,
  1214. struct rx_desc_pool *rx_desc_pool,
  1215. uint32_t num_req_buffers,
  1216. union dp_rx_desc_list_elem_t **desc_list,
  1217. union dp_rx_desc_list_elem_t **tail,
  1218. const char *func_name);
  1219. /*
  1220. * __dp_rx_buffers_no_map_replenish() - replenish rxdma ring with rx nbufs
  1221. * use direct APIs to get invalidate
  1222. * and get the physical address of the
  1223. * nbuf instead of map api,called during
  1224. * dp rx initialization and at the end
  1225. * of dp_rx_process.
  1226. *
  1227. * @soc: core txrx main context
  1228. * @mac_id: mac_id which is one of 3 mac_ids
  1229. * @dp_rxdma_srng: dp rxdma circular ring
  1230. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1231. * @num_req_buffers: number of buffer to be replenished
  1232. * @desc_list: list of descs if called from dp_rx_process
  1233. * or NULL during dp rx initialization or out of buffer
  1234. * interrupt.
  1235. * @tail: tail of descs list
  1236. * Return: return success or failure
  1237. */
  1238. QDF_STATUS
  1239. __dp_rx_buffers_no_map_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1240. struct dp_srng *dp_rxdma_srng,
  1241. struct rx_desc_pool *rx_desc_pool,
  1242. uint32_t num_req_buffers,
  1243. union dp_rx_desc_list_elem_t **desc_list,
  1244. union dp_rx_desc_list_elem_t **tail);
  1245. /*
  1246. * __dp_rx_buffers_no_map__lt_replenish() - replenish rxdma ring with rx nbufs
  1247. * use direct APIs to get invalidate
  1248. * and get the physical address of the
  1249. * nbuf instead of map api,called when
  1250. * low threshold interrupt is triggered
  1251. *
  1252. * @soc: core txrx main context
  1253. * @mac_id: mac_id which is one of 3 mac_ids
  1254. * @dp_rxdma_srng: dp rxdma circular ring
  1255. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1256. * Return: return success or failure
  1257. */
  1258. QDF_STATUS
  1259. __dp_rx_buffers_no_map_lt_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
  1260. struct dp_srng *dp_rxdma_srng,
  1261. struct rx_desc_pool *rx_desc_pool);
  1262. /*
  1263. * __dp_pdev_rx_buffers_no_map_attach() - replenish rxdma ring with rx nbufs
  1264. * use direct APIs to get invalidate
  1265. * and get the physical address of the
  1266. * nbuf instead of map api,called during
  1267. * dp rx initialization.
  1268. *
  1269. * @soc: core txrx main context
  1270. * @mac_id: mac_id which is one of 3 mac_ids
  1271. * @dp_rxdma_srng: dp rxdma circular ring
  1272. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1273. * @num_req_buffers: number of buffer to be replenished
  1274. * Return: return success or failure
  1275. */
  1276. QDF_STATUS __dp_pdev_rx_buffers_no_map_attach(struct dp_soc *dp_soc,
  1277. uint32_t mac_id,
  1278. struct dp_srng *dp_rxdma_srng,
  1279. struct rx_desc_pool *rx_desc_pool,
  1280. uint32_t num_req_buffers);
  1281. /*
  1282. * dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs
  1283. * called during dp rx initialization
  1284. *
  1285. * @soc: core txrx main context
  1286. * @mac_id: mac_id which is one of 3 mac_ids
  1287. * @dp_rxdma_srng: dp rxdma circular ring
  1288. * @rx_desc_pool: Pointer to free Rx descriptor pool
  1289. * @num_req_buffers: number of buffer to be replenished
  1290. *
  1291. * Return: return success or failure
  1292. */
  1293. QDF_STATUS
  1294. dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
  1295. struct dp_srng *dp_rxdma_srng,
  1296. struct rx_desc_pool *rx_desc_pool,
  1297. uint32_t num_req_buffers);
  1298. /**
  1299. * dp_rx_link_desc_return() - Return a MPDU link descriptor to HW
  1300. * (WBM), following error handling
  1301. *
  1302. * @soc: core DP main context
  1303. * @buf_addr_info: opaque pointer to the REO error ring descriptor
  1304. * @buf_addr_info: void pointer to the buffer_addr_info
  1305. * @bm_action: put to idle_list or release to msdu_list
  1306. *
  1307. * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
  1308. */
  1309. QDF_STATUS
  1310. dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc,
  1311. uint8_t bm_action);
  1312. /**
  1313. * dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to
  1314. * (WBM) by address
  1315. *
  1316. * @soc: core DP main context
  1317. * @link_desc_addr: link descriptor addr
  1318. *
  1319. * Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
  1320. */
  1321. QDF_STATUS
  1322. dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
  1323. hal_buff_addrinfo_t link_desc_addr,
  1324. uint8_t bm_action);
  1325. /**
  1326. * dp_rxdma_err_process() - RxDMA error processing functionality
  1327. * @soc: core txrx main contex
  1328. * @mac_id: mac id which is one of 3 mac_ids
  1329. * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
  1330. * @quota: No. of units (packets) that can be serviced in one shot.
  1331. *
  1332. * Return: num of buffers processed
  1333. */
  1334. uint32_t
  1335. dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
  1336. uint32_t mac_id, uint32_t quota);
  1337. void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
  1338. uint8_t *rx_tlv_hdr, struct dp_peer *peer);
  1339. QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
  1340. uint8_t *rx_tlv_hdr);
  1341. int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev,
  1342. struct dp_peer *peer);
  1343. /*
  1344. * dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info
  1345. *
  1346. * @soc: core txrx main context
  1347. * @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
  1348. * @ring_desc: opaque pointer to the RX ring descriptor
  1349. * @rx_desc: host rx descriptor
  1350. *
  1351. * Return: void
  1352. */
  1353. void dp_rx_dump_info_and_assert(struct dp_soc *soc,
  1354. hal_ring_handle_t hal_ring_hdl,
  1355. hal_ring_desc_t ring_desc,
  1356. struct dp_rx_desc *rx_desc);
  1357. void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
  1358. #ifdef QCA_PEER_EXT_STATS
  1359. void dp_rx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
  1360. qdf_nbuf_t nbuf);
  1361. #endif /* QCA_PEER_EXT_STATS */
  1362. #ifdef RX_DESC_DEBUG_CHECK
  1363. /**
  1364. * dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
  1365. * @rx_desc: rx descriptor pointer
  1366. *
  1367. * Return: true, if magic is correct, else false.
  1368. */
  1369. static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
  1370. {
  1371. if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC))
  1372. return false;
  1373. rx_desc->magic = 0;
  1374. return true;
  1375. }
  1376. /**
  1377. * dp_rx_desc_prep() - prepare rx desc
  1378. * @rx_desc: rx descriptor pointer to be prepared
  1379. * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
  1380. *
  1381. * Note: assumption is that we are associating a nbuf which is mapped
  1382. *
  1383. * Return: none
  1384. */
  1385. static inline
  1386. void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
  1387. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1388. {
  1389. rx_desc->magic = DP_RX_DESC_MAGIC;
  1390. rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
  1391. rx_desc->unmapped = 0;
  1392. rx_desc->nbuf_data_addr = (uint8_t *)qdf_nbuf_data(rx_desc->nbuf);
  1393. }
  1394. /**
  1395. * dp_rx_desc_frag_prep() - prepare rx desc
  1396. * @rx_desc: rx descriptor pointer to be prepared
  1397. * @nbuf_frag_info_t: struct dp_rx_nbuf_frag_info *
  1398. *
  1399. * Note: assumption is that we frag address is mapped
  1400. *
  1401. * Return: none
  1402. */
  1403. #ifdef DP_RX_MON_MEM_FRAG
  1404. static inline
  1405. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1406. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1407. {
  1408. rx_desc->magic = DP_RX_DESC_MAGIC;
  1409. rx_desc->rx_buf_start =
  1410. (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
  1411. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1412. rx_desc->unmapped = 0;
  1413. }
  1414. #else
  1415. static inline
  1416. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1417. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1418. {
  1419. }
  1420. #endif /* DP_RX_MON_MEM_FRAG */
  1421. /**
  1422. * dp_rx_desc_paddr_sanity_check() - paddr sanity for ring desc vs rx_desc
  1423. * @rx_desc: rx descriptor
  1424. * @ring_paddr: paddr obatined from the ring
  1425. *
  1426. * Returns: QDF_STATUS
  1427. */
  1428. static inline
  1429. bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
  1430. uint64_t ring_paddr)
  1431. {
  1432. return (ring_paddr == qdf_nbuf_get_frag_paddr(rx_desc->nbuf, 0));
  1433. }
  1434. #else
  1435. static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
  1436. {
  1437. return true;
  1438. }
  1439. static inline
  1440. void dp_rx_desc_prep(struct dp_rx_desc *rx_desc,
  1441. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1442. {
  1443. rx_desc->nbuf = (nbuf_frag_info_t->virt_addr).nbuf;
  1444. rx_desc->unmapped = 0;
  1445. }
  1446. #ifdef DP_RX_MON_MEM_FRAG
  1447. static inline
  1448. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1449. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1450. {
  1451. rx_desc->rx_buf_start =
  1452. (uint8_t *)((nbuf_frag_info_t->virt_addr).vaddr);
  1453. rx_desc->paddr_buf_start = nbuf_frag_info_t->paddr;
  1454. rx_desc->unmapped = 0;
  1455. }
  1456. #else
  1457. static inline
  1458. void dp_rx_desc_frag_prep(struct dp_rx_desc *rx_desc,
  1459. struct dp_rx_nbuf_frag_info *nbuf_frag_info_t)
  1460. {
  1461. }
  1462. #endif /* DP_RX_MON_MEM_FRAG */
  1463. static inline
  1464. bool dp_rx_desc_paddr_sanity_check(struct dp_rx_desc *rx_desc,
  1465. uint64_t ring_paddr)
  1466. {
  1467. return true;
  1468. }
  1469. #endif /* RX_DESC_DEBUG_CHECK */
  1470. void dp_rx_enable_mon_dest_frag(struct rx_desc_pool *rx_desc_pool,
  1471. bool is_mon_dest_desc);
  1472. void dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1473. uint8_t *rx_tlv_hdr, struct dp_peer *peer,
  1474. uint8_t err_code, uint8_t mac_id);
  1475. #ifndef QCA_MULTIPASS_SUPPORT
  1476. static inline
  1477. bool dp_rx_multipass_process(struct dp_peer *peer, qdf_nbuf_t nbuf, uint8_t tid)
  1478. {
  1479. return false;
  1480. }
  1481. #else
  1482. bool dp_rx_multipass_process(struct dp_peer *peer, qdf_nbuf_t nbuf,
  1483. uint8_t tid);
  1484. #endif
  1485. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1486. #ifndef WLAN_RX_PKT_CAPTURE_ENH
  1487. static inline
  1488. QDF_STATUS dp_peer_set_rx_capture_enabled(struct dp_pdev *pdev,
  1489. struct dp_peer *peer_handle,
  1490. bool value, uint8_t *mac_addr)
  1491. {
  1492. return QDF_STATUS_SUCCESS;
  1493. }
  1494. #endif
  1495. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1496. /**
  1497. * dp_rx_deliver_to_stack() - deliver pkts to network stack
  1498. * Caller to hold peer refcount and check for valid peer
  1499. * @soc: soc
  1500. * @vdev: vdev
  1501. * @peer: peer
  1502. * @nbuf_head: skb list head
  1503. * @nbuf_tail: skb list tail
  1504. *
  1505. * Return: QDF_STATUS
  1506. */
  1507. QDF_STATUS dp_rx_deliver_to_stack(struct dp_soc *soc,
  1508. struct dp_vdev *vdev,
  1509. struct dp_peer *peer,
  1510. qdf_nbuf_t nbuf_head,
  1511. qdf_nbuf_t nbuf_tail);
  1512. #ifdef QCA_SUPPORT_EAPOL_OVER_CONTROL_PORT
  1513. /**
  1514. * dp_rx_eapol_deliver_to_stack() - deliver pkts to network stack
  1515. * caller to hold peer refcount and check for valid peer
  1516. * @soc: soc
  1517. * @vdev: vdev
  1518. * @peer: peer
  1519. * @nbuf_head: skb list head
  1520. * @nbuf_tail: skb list tail
  1521. *
  1522. * return: QDF_STATUS
  1523. */
  1524. QDF_STATUS dp_rx_eapol_deliver_to_stack(struct dp_soc *soc,
  1525. struct dp_vdev *vdev,
  1526. struct dp_peer *peer,
  1527. qdf_nbuf_t nbuf_head,
  1528. qdf_nbuf_t nbuf_tail);
  1529. #endif
  1530. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1531. #ifdef QCA_OL_RX_LOCK_LESS_ACCESS
  1532. /*
  1533. * dp_rx_ring_access_start()- Wrapper function to log access start of a hal ring
  1534. * @int_ctx: pointer to DP interrupt context
  1535. * @dp_soc - DP soc structure pointer
  1536. * @hal_ring_hdl - HAL ring handle
  1537. *
  1538. * Return: 0 on success; error on failure
  1539. */
  1540. static inline int
  1541. dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
  1542. hal_ring_handle_t hal_ring_hdl)
  1543. {
  1544. return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl);
  1545. }
  1546. /*
  1547. * dp_rx_ring_access_end()- Wrapper function to log access end of a hal ring
  1548. * @int_ctx: pointer to DP interrupt context
  1549. * @dp_soc - DP soc structure pointer
  1550. * @hal_ring_hdl - HAL ring handle
  1551. *
  1552. * Return - None
  1553. */
  1554. static inline void
  1555. dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
  1556. hal_ring_handle_t hal_ring_hdl)
  1557. {
  1558. hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl);
  1559. }
  1560. #else
  1561. static inline int
  1562. dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
  1563. hal_ring_handle_t hal_ring_hdl)
  1564. {
  1565. return dp_srng_access_start(int_ctx, soc, hal_ring_hdl);
  1566. }
  1567. static inline void
  1568. dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
  1569. hal_ring_handle_t hal_ring_hdl)
  1570. {
  1571. dp_srng_access_end(int_ctx, soc, hal_ring_hdl);
  1572. }
  1573. #endif
  1574. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1575. /*
  1576. * dp_rx_wbm_sg_list_reset() - Initialize sg list
  1577. *
  1578. * This api should be called at soc init and afterevery sg processing.
  1579. *@soc: DP SOC handle
  1580. */
  1581. static inline void dp_rx_wbm_sg_list_reset(struct dp_soc *soc)
  1582. {
  1583. if (soc) {
  1584. soc->wbm_sg_param.wbm_is_first_msdu_in_sg = false;
  1585. soc->wbm_sg_param.wbm_sg_nbuf_head = NULL;
  1586. soc->wbm_sg_param.wbm_sg_nbuf_tail = NULL;
  1587. soc->wbm_sg_param.wbm_sg_desc_msdu_len = 0;
  1588. }
  1589. }
  1590. /*
  1591. * dp_rx_wbm_sg_list_deinit() - De-initialize sg list
  1592. *
  1593. * This api should be called in down path, to avoid any leak.
  1594. *@soc: DP SOC handle
  1595. */
  1596. static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
  1597. {
  1598. if (soc) {
  1599. if (soc->wbm_sg_param.wbm_sg_nbuf_head)
  1600. qdf_nbuf_list_free(soc->wbm_sg_param.wbm_sg_nbuf_head);
  1601. dp_rx_wbm_sg_list_reset(soc);
  1602. }
  1603. }
  1604. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1605. #ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL
  1606. #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
  1607. do { \
  1608. if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \
  1609. DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf); \
  1610. break; \
  1611. } \
  1612. DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf); \
  1613. if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) { \
  1614. if (!dp_rx_buffer_pool_refill(soc, ebuf_head, \
  1615. rx_desc->pool_id)) \
  1616. DP_RX_MERGE_TWO_LIST(head, tail, \
  1617. ebuf_head, ebuf_tail);\
  1618. ebuf_head = NULL; \
  1619. ebuf_tail = NULL; \
  1620. } \
  1621. } while (0)
  1622. #else
  1623. #define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
  1624. DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf)
  1625. #endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */
  1626. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1627. /*
  1628. * dp_rx_link_desc_refill_duplicate_check() - check if link desc duplicate
  1629. to refill
  1630. * @soc: DP SOC handle
  1631. * @buf_info: the last link desc buf info
  1632. * @ring_buf_info: current buf address pointor including link desc
  1633. *
  1634. * return: none.
  1635. */
  1636. void dp_rx_link_desc_refill_duplicate_check(
  1637. struct dp_soc *soc,
  1638. struct hal_buf_info *buf_info,
  1639. hal_buff_addrinfo_t ring_buf_info);
  1640. #ifdef WLAN_FEATURE_PKT_CAPTURE_V2
  1641. /**
  1642. * dp_rx_deliver_to_pkt_capture() - deliver rx packet to packet capture
  1643. * @soc : dp_soc handle
  1644. * @pdev: dp_pdev handle
  1645. * @peer_id: peer_id of the peer for which completion came
  1646. * @ppdu_id: ppdu_id
  1647. * @netbuf: Buffer pointer
  1648. *
  1649. * This function is used to deliver rx packet to packet capture
  1650. */
  1651. void dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev,
  1652. uint16_t peer_id, uint32_t is_offload,
  1653. qdf_nbuf_t netbuf);
  1654. void dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1655. uint32_t is_offload);
  1656. #else
  1657. static inline void
  1658. dp_rx_deliver_to_pkt_capture(struct dp_soc *soc, struct dp_pdev *pdev,
  1659. uint16_t peer_id, uint32_t is_offload,
  1660. qdf_nbuf_t netbuf)
  1661. {
  1662. }
  1663. static inline void
  1664. dp_rx_deliver_to_pkt_capture_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1665. uint32_t is_offload)
  1666. {
  1667. }
  1668. #endif
  1669. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1670. #ifdef FEATURE_MEC
  1671. /**
  1672. * dp_rx_mcast_echo_check() - check if the mcast pkt is a loop
  1673. * back on same vap or a different vap.
  1674. * @soc: core DP main context
  1675. * @peer: dp peer handler
  1676. * @rx_tlv_hdr: start of the rx TLV header
  1677. * @nbuf: pkt buffer
  1678. *
  1679. * Return: bool (true if it is a looped back pkt else false)
  1680. *
  1681. */
  1682. bool dp_rx_mcast_echo_check(struct dp_soc *soc,
  1683. struct dp_peer *peer,
  1684. uint8_t *rx_tlv_hdr,
  1685. qdf_nbuf_t nbuf);
  1686. #else
  1687. static inline bool dp_rx_mcast_echo_check(struct dp_soc *soc,
  1688. struct dp_peer *peer,
  1689. uint8_t *rx_tlv_hdr,
  1690. qdf_nbuf_t nbuf)
  1691. {
  1692. return false;
  1693. }
  1694. #endif /* FEATURE_MEC */
  1695. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1696. #ifdef RECEIVE_OFFLOAD
  1697. void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
  1698. qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt);
  1699. #else
  1700. static inline
  1701. void dp_rx_fill_gro_info(struct dp_soc *soc, uint8_t *rx_tlv,
  1702. qdf_nbuf_t msdu, uint32_t *rx_ol_pkt_cnt)
  1703. {
  1704. }
  1705. #endif
  1706. void dp_rx_msdu_stats_update(struct dp_soc *soc, qdf_nbuf_t nbuf,
  1707. uint8_t *rx_tlv_hdr, struct dp_peer *peer,
  1708. uint8_t ring_id,
  1709. struct cdp_tid_rx_stats *tid_stats);
  1710. void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf);
  1711. uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc,
  1712. hal_ring_handle_t hal_ring_hdl,
  1713. uint32_t num_entries,
  1714. bool *near_full);
  1715. #ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
  1716. void dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
  1717. hal_ring_desc_t ring_desc);
  1718. #else
  1719. static inline void
  1720. dp_rx_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,
  1721. hal_ring_desc_t ring_desc)
  1722. {
  1723. }
  1724. #endif
  1725. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  1726. #ifdef RX_DESC_SANITY_WAR
  1727. QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
  1728. hal_ring_handle_t hal_ring_hdl,
  1729. hal_ring_desc_t ring_desc,
  1730. struct dp_rx_desc *rx_desc);
  1731. #else
  1732. static inline
  1733. QDF_STATUS dp_rx_desc_sanity(struct dp_soc *soc, hal_soc_handle_t hal_soc,
  1734. hal_ring_handle_t hal_ring_hdl,
  1735. hal_ring_desc_t ring_desc,
  1736. struct dp_rx_desc *rx_desc)
  1737. {
  1738. return QDF_STATUS_SUCCESS;
  1739. }
  1740. #endif
  1741. #ifdef DP_RX_DROP_RAW_FRM
  1742. bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf);
  1743. #else
  1744. static inline
  1745. bool dp_rx_is_raw_frame_dropped(qdf_nbuf_t nbuf)
  1746. {
  1747. return false;
  1748. }
  1749. #endif
  1750. #ifdef RX_DESC_DEBUG_CHECK
  1751. QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
  1752. hal_ring_desc_t ring_desc,
  1753. struct dp_rx_desc *rx_desc);
  1754. #else
  1755. static inline
  1756. QDF_STATUS dp_rx_desc_nbuf_sanity_check(struct dp_soc *soc,
  1757. hal_ring_desc_t ring_desc,
  1758. struct dp_rx_desc *rx_desc)
  1759. {
  1760. return QDF_STATUS_SUCCESS;
  1761. }
  1762. #endif
  1763. #ifdef WLAN_DP_FEATURE_SW_LATENCY_MGR
  1764. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
  1765. #else
  1766. static inline
  1767. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf)
  1768. {
  1769. }
  1770. #endif
  1771. /**
  1772. * dp_rx_cksum_offload() - set the nbuf checksum as defined by hardware.
  1773. * @nbuf: pointer to the first msdu of an amsdu.
  1774. * @rx_tlv_hdr: pointer to the start of RX TLV headers.
  1775. *
  1776. * The ipsumed field of the skb is set based on whether HW validated the
  1777. * IP/TCP/UDP checksum.
  1778. *
  1779. * Return: void
  1780. */
  1781. static inline
  1782. void dp_rx_cksum_offload(struct dp_pdev *pdev,
  1783. qdf_nbuf_t nbuf,
  1784. uint8_t *rx_tlv_hdr)
  1785. {
  1786. qdf_nbuf_rx_cksum_t cksum = {0};
  1787. //TODO - Move this to ring desc api
  1788. //HAL_RX_MSDU_DESC_IP_CHKSUM_FAIL_GET
  1789. //HAL_RX_MSDU_DESC_TCP_UDP_CHKSUM_FAIL_GET
  1790. uint32_t ip_csum_err, tcp_udp_csum_er;
  1791. hal_rx_tlv_csum_err_get(pdev->soc->hal_soc, rx_tlv_hdr, &ip_csum_err,
  1792. &tcp_udp_csum_er);
  1793. if (qdf_likely(!ip_csum_err && !tcp_udp_csum_er)) {
  1794. cksum.l4_result = QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
  1795. qdf_nbuf_set_rx_cksum(nbuf, &cksum);
  1796. } else {
  1797. DP_STATS_INCC(pdev, err.ip_csum_err, 1, ip_csum_err);
  1798. DP_STATS_INCC(pdev, err.tcp_udp_csum_err, 1, tcp_udp_csum_er);
  1799. }
  1800. }
  1801. #endif /* QCA_HOST_MODE_WIFI_DISABLED */
  1802. #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
  1803. static inline
  1804. bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
  1805. int max_reap_limit)
  1806. {
  1807. bool limit_hit = false;
  1808. limit_hit =
  1809. (num_reaped >= max_reap_limit) ? true : false;
  1810. if (limit_hit)
  1811. DP_STATS_INC(soc, rx.reap_loop_pkt_limit_hit, 1)
  1812. return limit_hit;
  1813. }
  1814. static inline
  1815. bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
  1816. {
  1817. return soc->wlan_cfg_ctx->rx_enable_eol_data_check;
  1818. }
  1819. static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
  1820. {
  1821. struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
  1822. return cfg->rx_reap_loop_pkt_limit;
  1823. }
  1824. #else
  1825. static inline
  1826. bool dp_rx_reap_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
  1827. int max_reap_limit)
  1828. {
  1829. return false;
  1830. }
  1831. static inline
  1832. bool dp_rx_enable_eol_data_check(struct dp_soc *soc)
  1833. {
  1834. return false;
  1835. }
  1836. static inline int dp_rx_get_loop_pkt_limit(struct dp_soc *soc)
  1837. {
  1838. return 0;
  1839. }
  1840. #endif /* WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT */
  1841. void dp_rx_update_stats(struct dp_soc *soc, qdf_nbuf_t nbuf);
  1842. #ifdef QCA_SUPPORT_WDS_EXTENDED
  1843. /**
  1844. * dp_rx_is_list_ready() - Make different lists for 4-address
  1845. and 3-address frames
  1846. * @nbuf_head: skb list head
  1847. * @vdev: vdev
  1848. * @peer: peer
  1849. * @peer_id: peer id of new received frame
  1850. * @vdev_id: vdev_id of new received frame
  1851. *
  1852. * Return: true if peer_ids are different.
  1853. */
  1854. static inline bool
  1855. dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
  1856. struct dp_vdev *vdev,
  1857. struct dp_peer *peer,
  1858. uint16_t peer_id,
  1859. uint8_t vdev_id)
  1860. {
  1861. if (nbuf_head && peer && (peer->peer_id != peer_id))
  1862. return true;
  1863. return false;
  1864. }
  1865. #else
  1866. static inline bool
  1867. dp_rx_is_list_ready(qdf_nbuf_t nbuf_head,
  1868. struct dp_vdev *vdev,
  1869. struct dp_peer *peer,
  1870. uint16_t peer_id,
  1871. uint8_t vdev_id)
  1872. {
  1873. if (nbuf_head && vdev && (vdev->vdev_id != vdev_id))
  1874. return true;
  1875. return false;
  1876. }
  1877. #endif
  1878. #if defined(WLAN_MAX_PDEVS) && (WLAN_MAX_PDEVS == 1)
  1879. static inline uint8_t
  1880. dp_rx_get_defrag_bm_id(struct dp_soc *soc)
  1881. {
  1882. return DP_DEFRAG_RBM(soc->wbm_sw0_bm_id);
  1883. }
  1884. static inline uint8_t
  1885. dp_rx_get_rx_bm_id(struct dp_soc *soc)
  1886. {
  1887. return DP_WBM2SW_RBM(soc->wbm_sw0_bm_id);
  1888. }
  1889. #else
  1890. static inline uint8_t
  1891. dp_rx_get_rx_bm_id(struct dp_soc *soc)
  1892. {
  1893. struct wlan_cfg_dp_soc_ctxt *cfg_ctx = soc->wlan_cfg_ctx;
  1894. uint8_t wbm2_sw_rx_rel_ring_id;
  1895. wbm2_sw_rx_rel_ring_id = wlan_cfg_get_rx_rel_ring_id(cfg_ctx);
  1896. return HAL_RX_BUF_RBM_SW_BM(soc->wbm_sw0_bm_id,
  1897. wbm2_sw_rx_rel_ring_id);
  1898. }
  1899. static inline uint8_t
  1900. dp_rx_get_defrag_bm_id(struct dp_soc *soc)
  1901. {
  1902. return dp_rx_get_rx_bm_id(soc);
  1903. }
  1904. #endif
  1905. static inline uint16_t
  1906. dp_rx_peer_metadata_peer_id_get(struct dp_soc *soc, uint32_t peer_metadata)
  1907. {
  1908. return soc->arch_ops.dp_rx_peer_metadata_peer_id_get(soc,
  1909. peer_metadata);
  1910. }
  1911. /**
  1912. * dp_rx_desc_pool_init_generic() - Generic Rx descriptors initialization
  1913. * @soc: SOC handle
  1914. * @rx_desc_pool: pointer to RX descriptor pool
  1915. * @pool_id: pool ID
  1916. *
  1917. * Return: None
  1918. */
  1919. QDF_STATUS dp_rx_desc_pool_init_generic(struct dp_soc *soc,
  1920. struct rx_desc_pool *rx_desc_pool,
  1921. uint32_t pool_id);
  1922. void dp_rx_desc_pool_deinit_generic(struct dp_soc *soc,
  1923. struct rx_desc_pool *rx_desc_pool,
  1924. uint32_t pool_id);
  1925. /**
  1926. * dp_rx_pkt_tracepoints_enabled() - Get the state of rx pkt tracepoint
  1927. *
  1928. * Return: True if any rx pkt tracepoint is enabled else false
  1929. */
  1930. static inline
  1931. bool dp_rx_pkt_tracepoints_enabled(void)
  1932. {
  1933. return (qdf_trace_dp_rx_tcp_pkt_enabled() ||
  1934. qdf_trace_dp_rx_udp_pkt_enabled() ||
  1935. qdf_trace_dp_rx_pkt_enabled());
  1936. }
  1937. #if defined(QCA_DP_RX_NBUF_NO_MAP_UNMAP) && !defined(BUILD_X86)
  1938. static inline
  1939. QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
  1940. struct dp_srng *rxdma_srng,
  1941. struct rx_desc_pool *rx_desc_pool,
  1942. uint32_t num_req_buffers)
  1943. {
  1944. return __dp_pdev_rx_buffers_no_map_attach(soc, mac_id,
  1945. rxdma_srng,
  1946. rx_desc_pool,
  1947. num_req_buffers);
  1948. }
  1949. static inline
  1950. void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  1951. struct dp_srng *rxdma_srng,
  1952. struct rx_desc_pool *rx_desc_pool,
  1953. uint32_t num_req_buffers,
  1954. union dp_rx_desc_list_elem_t **desc_list,
  1955. union dp_rx_desc_list_elem_t **tail)
  1956. {
  1957. __dp_rx_buffers_no_map_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  1958. num_req_buffers, desc_list, tail);
  1959. }
  1960. static inline
  1961. void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  1962. struct dp_srng *rxdma_srng,
  1963. struct rx_desc_pool *rx_desc_pool,
  1964. uint32_t num_req_buffers,
  1965. union dp_rx_desc_list_elem_t **desc_list,
  1966. union dp_rx_desc_list_elem_t **tail)
  1967. {
  1968. __dp_rx_buffers_no_map_lt_replenish(soc, mac_id, rxdma_srng,
  1969. rx_desc_pool);
  1970. }
  1971. static inline
  1972. qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
  1973. qdf_nbuf_t nbuf,
  1974. uint32_t buf_size)
  1975. {
  1976. qdf_nbuf_dma_inv_range_no_dsb((void *)nbuf->data,
  1977. (void *)(nbuf->data + buf_size));
  1978. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  1979. }
  1980. static inline
  1981. qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
  1982. qdf_nbuf_t nbuf,
  1983. uint32_t buf_size)
  1984. {
  1985. qdf_nbuf_dma_inv_range((void *)nbuf->data,
  1986. (void *)(nbuf->data + buf_size));
  1987. return (qdf_dma_addr_t)qdf_mem_virt_to_phys(nbuf->data);
  1988. }
  1989. #if !defined(SPECULATIVE_READ_DISABLED)
  1990. static inline
  1991. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  1992. struct dp_rx_desc *rx_desc,
  1993. uint8_t reo_ring_num)
  1994. {
  1995. struct rx_desc_pool *rx_desc_pool;
  1996. qdf_nbuf_t nbuf;
  1997. rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
  1998. nbuf = rx_desc->nbuf;
  1999. qdf_nbuf_dma_inv_range((void *)nbuf->data,
  2000. (void *)(nbuf->data + rx_desc_pool->buf_size));
  2001. }
  2002. #else
  2003. static inline
  2004. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  2005. struct dp_rx_desc *rx_desc,
  2006. uint8_t reo_ring_num)
  2007. {
  2008. }
  2009. #endif
  2010. static inline
  2011. void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
  2012. uint32_t bufs_reaped)
  2013. {
  2014. }
  2015. static inline
  2016. qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
  2017. struct rx_desc_pool *rx_desc_pool)
  2018. {
  2019. return qdf_nbuf_alloc_simple(soc->osdev, rx_desc_pool->buf_size);
  2020. }
  2021. #else
  2022. static inline
  2023. QDF_STATUS dp_pdev_rx_buffers_attach_simple(struct dp_soc *soc, uint32_t mac_id,
  2024. struct dp_srng *rxdma_srng,
  2025. struct rx_desc_pool *rx_desc_pool,
  2026. uint32_t num_req_buffers)
  2027. {
  2028. return dp_pdev_rx_buffers_attach(soc, mac_id,
  2029. rxdma_srng,
  2030. rx_desc_pool,
  2031. num_req_buffers);
  2032. }
  2033. static inline
  2034. void dp_rx_buffers_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2035. struct dp_srng *rxdma_srng,
  2036. struct rx_desc_pool *rx_desc_pool,
  2037. uint32_t num_req_buffers,
  2038. union dp_rx_desc_list_elem_t **desc_list,
  2039. union dp_rx_desc_list_elem_t **tail)
  2040. {
  2041. dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2042. num_req_buffers, desc_list, tail);
  2043. }
  2044. static inline
  2045. void dp_rx_buffers_lt_replenish_simple(struct dp_soc *soc, uint32_t mac_id,
  2046. struct dp_srng *rxdma_srng,
  2047. struct rx_desc_pool *rx_desc_pool,
  2048. uint32_t num_req_buffers,
  2049. union dp_rx_desc_list_elem_t **desc_list,
  2050. union dp_rx_desc_list_elem_t **tail)
  2051. {
  2052. dp_rx_buffers_replenish(soc, mac_id, rxdma_srng, rx_desc_pool,
  2053. num_req_buffers, desc_list, tail);
  2054. }
  2055. static inline
  2056. qdf_dma_addr_t dp_rx_nbuf_sync_no_dsb(struct dp_soc *dp_soc,
  2057. qdf_nbuf_t nbuf,
  2058. uint32_t buf_size)
  2059. {
  2060. return (qdf_dma_addr_t)NULL;
  2061. }
  2062. static inline
  2063. qdf_dma_addr_t dp_rx_nbuf_sync(struct dp_soc *dp_soc,
  2064. qdf_nbuf_t nbuf,
  2065. uint32_t buf_size)
  2066. {
  2067. return (qdf_dma_addr_t)NULL;
  2068. }
  2069. static inline
  2070. void dp_rx_nbuf_unmap(struct dp_soc *soc,
  2071. struct dp_rx_desc *rx_desc,
  2072. uint8_t reo_ring_num)
  2073. {
  2074. struct rx_desc_pool *rx_desc_pool;
  2075. rx_desc_pool = &soc->rx_desc_buf[rx_desc->pool_id];
  2076. dp_ipa_reo_ctx_buf_mapping_lock(soc, reo_ring_num);
  2077. dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf,
  2078. rx_desc_pool->buf_size,
  2079. false);
  2080. qdf_nbuf_unmap_nbytes_single(soc->osdev, rx_desc->nbuf,
  2081. QDF_DMA_FROM_DEVICE,
  2082. rx_desc_pool->buf_size);
  2083. dp_ipa_reo_ctx_buf_mapping_unlock(soc, reo_ring_num);
  2084. }
  2085. static inline
  2086. void dp_rx_per_core_stats_update(struct dp_soc *soc, uint8_t ring_id,
  2087. uint32_t bufs_reaped)
  2088. {
  2089. DP_STATS_INC(soc,
  2090. rx.ring_packets[smp_processor_id()][ring_id], bufs_reaped);
  2091. }
  2092. static inline
  2093. qdf_nbuf_t dp_rx_nbuf_alloc(struct dp_soc *soc,
  2094. struct rx_desc_pool *rx_desc_pool)
  2095. {
  2096. return qdf_nbuf_alloc(soc->osdev, rx_desc_pool->buf_size,
  2097. RX_BUFFER_RESERVATION,
  2098. rx_desc_pool->buf_alignment, FALSE);
  2099. }
  2100. #endif
  2101. static inline
  2102. struct dp_peer *dp_rx_get_peer_and_vdev(struct dp_soc *soc,
  2103. qdf_nbuf_t nbuf,
  2104. uint16_t peer_id,
  2105. bool pkt_capture_offload,
  2106. struct dp_vdev **vdev,
  2107. struct dp_pdev **rx_pdev,
  2108. uint32_t *dsf,
  2109. uint32_t *old_tid)
  2110. {
  2111. struct dp_peer *peer = NULL;
  2112. peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_RX);
  2113. if (qdf_likely(peer)) {
  2114. *vdev = peer->vdev;
  2115. } else {
  2116. nbuf->next = NULL;
  2117. dp_rx_deliver_to_pkt_capture_no_peer(soc, nbuf,
  2118. pkt_capture_offload);
  2119. if (!pkt_capture_offload)
  2120. dp_rx_deliver_to_stack_no_peer(soc, nbuf);
  2121. goto end;
  2122. }
  2123. if (qdf_unlikely(!(*vdev))) {
  2124. qdf_nbuf_free(nbuf);
  2125. DP_STATS_INC(soc, rx.err.invalid_vdev, 1);
  2126. goto end;
  2127. }
  2128. *rx_pdev = (*vdev)->pdev;
  2129. *dsf = (*rx_pdev)->delay_stats_flag;
  2130. *old_tid = 0xff;
  2131. end:
  2132. return peer;
  2133. }
  2134. #endif /* _DP_RX_H */