dp_be_rx.h 24 KB

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  1. /*
  2. * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  4. *
  5. * Permission to use, copy, modify, and/or distribute this software for
  6. * any purpose with or without fee is hereby granted, provided that the
  7. * above copyright notice and this permission notice appear in all
  8. * copies.
  9. *
  10. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11. * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12. * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13. * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14. * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15. * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16. * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17. * PERFORMANCE OF THIS SOFTWARE.
  18. */
  19. #ifndef _DP_BE_RX_H_
  20. #define _DP_BE_RX_H_
  21. #include <dp_types.h>
  22. #include "dp_be.h"
  23. #include "dp_peer.h"
  24. #include <dp_rx.h>
  25. #include "hal_be_rx.h"
  26. #include "hal_be_rx_tlv.h"
  27. /*
  28. * dp_be_intrabss_params
  29. *
  30. * @dest_soc: dest soc to forward the packet to
  31. * @tx_vdev_id: vdev id retrieved from dest peer
  32. */
  33. struct dp_be_intrabss_params {
  34. struct dp_soc *dest_soc;
  35. uint8_t tx_vdev_id;
  36. };
  37. #ifndef QCA_HOST_MODE_WIFI_DISABLED
  38. /**
  39. * dp_rx_intrabss_fwd_be() - API for intrabss fwd. For EAPOL
  40. * pkt with DA not equal to vdev mac addr, fwd is not allowed.
  41. * @soc: core txrx main context
  42. * @ta_txrx_peer: source peer entry
  43. * @rx_tlv_hdr: start address of rx tlvs
  44. * @nbuf: nbuf that has to be intrabss forwarded
  45. * @link_id: link id on which the packet is received
  46. *
  47. * Return: true if it is forwarded else false
  48. */
  49. bool dp_rx_intrabss_fwd_be(struct dp_soc *soc,
  50. struct dp_txrx_peer *ta_txrx_peer,
  51. uint8_t *rx_tlv_hdr,
  52. qdf_nbuf_t nbuf,
  53. uint8_t link_id);
  54. #endif
  55. /**
  56. * dp_rx_intrabss_mcast_handler_be() - intrabss mcast handler
  57. * @soc: core txrx main context
  58. * @ta_txrx_peer: source txrx_peer entry
  59. * @nbuf_copy: nbuf that has to be intrabss forwarded
  60. * @tid_stats: tid_stats structure
  61. * @link_id: link id on which the packet is received
  62. *
  63. * Return: true if it is forwarded else false
  64. */
  65. bool
  66. dp_rx_intrabss_mcast_handler_be(struct dp_soc *soc,
  67. struct dp_txrx_peer *ta_txrx_peer,
  68. qdf_nbuf_t nbuf_copy,
  69. struct cdp_tid_rx_stats *tid_stats,
  70. uint8_t link_id);
  71. void dp_rx_word_mask_subscribe_be(struct dp_soc *soc,
  72. uint32_t *msg_word,
  73. void *rx_filter);
  74. /**
  75. * dp_rx_process_be() - Brain of the Rx processing functionality
  76. * Called from the bottom half (tasklet/NET_RX_SOFTIRQ)
  77. * @int_ctx: per interrupt context
  78. * @hal_ring_hdl: opaque pointer to the HAL Rx Ring, which will be serviced
  79. * @reo_ring_num: ring number (0, 1, 2 or 3) of the reo ring.
  80. * @quota: No. of units (packets) that can be serviced in one shot.
  81. *
  82. * This function implements the core of Rx functionality. This is
  83. * expected to handle only non-error frames.
  84. *
  85. * Return: uint32_t: No. of elements processed
  86. */
  87. uint32_t dp_rx_process_be(struct dp_intr *int_ctx,
  88. hal_ring_handle_t hal_ring_hdl, uint8_t reo_ring_num,
  89. uint32_t quota);
  90. /**
  91. * dp_rx_chain_msdus_be() - Function to chain all msdus of a mpdu
  92. * to pdev invalid peer list
  93. *
  94. * @soc: core DP main context
  95. * @nbuf: Buffer pointer
  96. * @rx_tlv_hdr: start of rx tlv header
  97. * @mac_id: mac id
  98. *
  99. * Return: bool: true for last msdu of mpdu
  100. */
  101. bool dp_rx_chain_msdus_be(struct dp_soc *soc, qdf_nbuf_t nbuf,
  102. uint8_t *rx_tlv_hdr, uint8_t mac_id);
  103. /**
  104. * dp_rx_desc_pool_init_be() - Initialize Rx Descriptor pool(s)
  105. * @soc: Handle to DP Soc structure
  106. * @rx_desc_pool: Rx descriptor pool handler
  107. * @pool_id: Rx descriptor pool ID
  108. *
  109. * Return: QDF_STATUS_SUCCESS - succeeded, others - failed
  110. */
  111. QDF_STATUS dp_rx_desc_pool_init_be(struct dp_soc *soc,
  112. struct rx_desc_pool *rx_desc_pool,
  113. uint32_t pool_id);
  114. /**
  115. * dp_rx_desc_pool_deinit_be() - De-initialize Rx Descriptor pool(s)
  116. * @soc: Handle to DP Soc structure
  117. * @rx_desc_pool: Rx descriptor pool handler
  118. * @pool_id: Rx descriptor pool ID
  119. *
  120. * Return: None
  121. */
  122. void dp_rx_desc_pool_deinit_be(struct dp_soc *soc,
  123. struct rx_desc_pool *rx_desc_pool,
  124. uint32_t pool_id);
  125. /**
  126. * dp_wbm_get_rx_desc_from_hal_desc_be() - Get corresponding Rx Desc
  127. * address from WBM ring Desc
  128. * @soc: Handle to DP Soc structure
  129. * @ring_desc: ring descriptor structure pointer
  130. * @r_rx_desc: pointer to a pointer of Rx Desc
  131. *
  132. * Return: QDF_STATUS_SUCCESS - succeeded, others - failed
  133. */
  134. QDF_STATUS dp_wbm_get_rx_desc_from_hal_desc_be(struct dp_soc *soc,
  135. void *ring_desc,
  136. struct dp_rx_desc **r_rx_desc);
  137. /**
  138. * dp_rx_desc_cookie_2_va_be() - Convert RX Desc cookie ID to VA
  139. * @soc:Handle to DP Soc structure
  140. * @cookie: cookie used to lookup virtual address
  141. *
  142. * Return: Rx descriptor virtual address
  143. */
  144. struct dp_rx_desc *dp_rx_desc_cookie_2_va_be(struct dp_soc *soc,
  145. uint32_t cookie);
  146. #if !defined(DP_FEATURE_HW_COOKIE_CONVERSION) || \
  147. defined(DP_HW_COOKIE_CONVERT_EXCEPTION)
  148. /**
  149. * dp_rx_desc_sw_cc_check() - check if RX desc VA is got correctly,
  150. * if not, do SW cookie conversion.
  151. * @soc:Handle to DP Soc structure
  152. * @rx_buf_cookie: RX desc cookie ID
  153. * @r_rx_desc: double pointer for RX desc
  154. *
  155. * Return: None
  156. */
  157. static inline void
  158. dp_rx_desc_sw_cc_check(struct dp_soc *soc,
  159. uint32_t rx_buf_cookie,
  160. struct dp_rx_desc **r_rx_desc)
  161. {
  162. if (qdf_unlikely(!(*r_rx_desc))) {
  163. *r_rx_desc = (struct dp_rx_desc *)
  164. dp_cc_desc_find(soc,
  165. rx_buf_cookie);
  166. }
  167. }
  168. #else
  169. static inline void
  170. dp_rx_desc_sw_cc_check(struct dp_soc *soc,
  171. uint32_t rx_buf_cookie,
  172. struct dp_rx_desc **r_rx_desc)
  173. {
  174. }
  175. #endif /* DP_FEATURE_HW_COOKIE_CONVERSION && DP_HW_COOKIE_CONVERT_EXCEPTION */
  176. #define DP_PEER_METADATA_OFFLOAD_GET_BE(_peer_metadata) (0)
  177. #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH
  178. static inline uint16_t
  179. dp_rx_peer_metadata_peer_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  180. {
  181. struct htt_rx_peer_metadata_v1 *metadata =
  182. (struct htt_rx_peer_metadata_v1 *)&peer_metadata;
  183. uint16_t peer_id;
  184. peer_id = metadata->peer_id |
  185. (metadata->ml_peer_valid << soc->peer_id_shift);
  186. return peer_id;
  187. }
  188. #else
  189. /* Combine ml_peer_valid and peer_id field */
  190. #define DP_BE_PEER_METADATA_PEER_ID_MASK 0x00003fff
  191. #define DP_BE_PEER_METADATA_PEER_ID_SHIFT 0
  192. static inline uint16_t
  193. dp_rx_peer_metadata_peer_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  194. {
  195. return ((peer_metadata & DP_BE_PEER_METADATA_PEER_ID_MASK) >>
  196. DP_BE_PEER_METADATA_PEER_ID_SHIFT);
  197. }
  198. #endif
  199. static inline uint16_t
  200. dp_rx_peer_metadata_vdev_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  201. {
  202. struct htt_rx_peer_metadata_v1 *metadata =
  203. (struct htt_rx_peer_metadata_v1 *)&peer_metadata;
  204. return metadata->vdev_id;
  205. }
  206. static inline uint8_t
  207. dp_rx_peer_metadata_lmac_id_get_be(uint32_t peer_metadata)
  208. {
  209. return HTT_RX_PEER_META_DATA_V1_LMAC_ID_GET(peer_metadata);
  210. }
  211. #ifdef WLAN_FEATURE_NEAR_FULL_IRQ
  212. /**
  213. * dp_rx_nf_process() - Near Full state handler for RX rings.
  214. * @int_ctx: interrupt context
  215. * @hal_ring_hdl: Rx ring handle
  216. * @reo_ring_num: RX ring number
  217. * @quota: Quota of work to be done
  218. *
  219. * Return: work done in the handler
  220. */
  221. uint32_t dp_rx_nf_process(struct dp_intr *int_ctx,
  222. hal_ring_handle_t hal_ring_hdl,
  223. uint8_t reo_ring_num,
  224. uint32_t quota);
  225. #else
  226. static inline
  227. uint32_t dp_rx_nf_process(struct dp_intr *int_ctx,
  228. hal_ring_handle_t hal_ring_hdl,
  229. uint8_t reo_ring_num,
  230. uint32_t quota)
  231. {
  232. return 0;
  233. }
  234. #endif /*WLAN_FEATURE_NEAR_FULL_IRQ */
  235. #if defined(WLAN_FEATURE_11BE_MLO) && defined(WLAN_MLO_MULTI_CHIP)
  236. struct dp_soc *
  237. dp_rx_replensih_soc_get(struct dp_soc *soc, uint8_t chip_id);
  238. struct dp_soc *
  239. dp_soc_get_by_idle_bm_id(struct dp_soc *soc, uint8_t idle_bm_id);
  240. uint8_t dp_soc_get_num_soc_be(struct dp_soc *soc);
  241. #else
  242. static inline struct dp_soc *
  243. dp_rx_replensih_soc_get(struct dp_soc *soc, uint8_t chip_id)
  244. {
  245. return soc;
  246. }
  247. static inline uint8_t
  248. dp_soc_get_num_soc_be(struct dp_soc *soc)
  249. {
  250. return 1;
  251. }
  252. #endif
  253. #ifdef WLAN_FEATURE_11BE_MLO
  254. /**
  255. * dp_rx_mlo_igmp_handler() - Rx handler for Mcast packets
  256. * @soc: Handle to DP Soc structure
  257. * @vdev: DP vdev handle
  258. * @peer: DP peer handle
  259. * @nbuf: nbuf to be enqueued
  260. * @link_id: link id on which the packet is received
  261. *
  262. * Return: true when packet sent to stack, false failure
  263. */
  264. bool dp_rx_mlo_igmp_handler(struct dp_soc *soc,
  265. struct dp_vdev *vdev,
  266. struct dp_txrx_peer *peer,
  267. qdf_nbuf_t nbuf,
  268. uint8_t link_id);
  269. /**
  270. * dp_peer_rx_reorder_queue_setup_be() - Send reo queue setup wmi cmd to FW
  271. * per peer type
  272. * @soc: DP Soc handle
  273. * @peer: dp peer to operate on
  274. * @tid: TID
  275. * @ba_window_size: BlockAck window size
  276. *
  277. * Return: 0 - success, others - failure
  278. */
  279. static inline
  280. QDF_STATUS dp_peer_rx_reorder_queue_setup_be(struct dp_soc *soc,
  281. struct dp_peer *peer,
  282. int tid,
  283. uint32_t ba_window_size)
  284. {
  285. uint8_t i;
  286. struct dp_mld_link_peers link_peers_info;
  287. struct dp_peer *link_peer;
  288. struct dp_rx_tid *rx_tid;
  289. struct dp_soc *link_peer_soc;
  290. rx_tid = &peer->rx_tid[tid];
  291. if (!rx_tid->hw_qdesc_paddr)
  292. return QDF_STATUS_E_INVAL;
  293. if (!hal_reo_shared_qaddr_is_enable(soc->hal_soc)) {
  294. if (IS_MLO_DP_MLD_PEER(peer)) {
  295. /* get link peers with reference */
  296. dp_get_link_peers_ref_from_mld_peer(soc, peer,
  297. &link_peers_info,
  298. DP_MOD_ID_CDP);
  299. /* send WMI cmd to each link peers */
  300. for (i = 0; i < link_peers_info.num_links; i++) {
  301. link_peer = link_peers_info.link_peers[i];
  302. link_peer_soc = link_peer->vdev->pdev->soc;
  303. if (link_peer_soc->cdp_soc.ol_ops->
  304. peer_rx_reorder_queue_setup) {
  305. if (link_peer_soc->cdp_soc.ol_ops->
  306. peer_rx_reorder_queue_setup(
  307. link_peer_soc->ctrl_psoc,
  308. link_peer->vdev->pdev->pdev_id,
  309. link_peer->vdev->vdev_id,
  310. link_peer->mac_addr.raw,
  311. rx_tid->hw_qdesc_paddr,
  312. tid, tid,
  313. 1, ba_window_size)) {
  314. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  315. link_peer_soc, tid);
  316. return QDF_STATUS_E_FAILURE;
  317. }
  318. }
  319. }
  320. /* release link peers reference */
  321. dp_release_link_peers_ref(&link_peers_info,
  322. DP_MOD_ID_CDP);
  323. } else if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  324. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup) {
  325. if (soc->cdp_soc.ol_ops->
  326. peer_rx_reorder_queue_setup(
  327. soc->ctrl_psoc,
  328. peer->vdev->pdev->pdev_id,
  329. peer->vdev->vdev_id,
  330. peer->mac_addr.raw,
  331. rx_tid->hw_qdesc_paddr,
  332. tid, tid,
  333. 1, ba_window_size)) {
  334. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  335. soc, tid);
  336. return QDF_STATUS_E_FAILURE;
  337. }
  338. }
  339. } else {
  340. dp_peer_err("invalid peer type %d", peer->peer_type);
  341. return QDF_STATUS_E_FAILURE;
  342. }
  343. } else {
  344. /* Some BE targets dont require WMI and use shared
  345. * table managed by host for storing Reo queue ref structs
  346. */
  347. if (IS_MLO_DP_LINK_PEER(peer) ||
  348. peer->peer_id == HTT_INVALID_PEER) {
  349. /* Return if this is for MLD link peer and table
  350. * is not used in MLD link peer case as MLD peer's
  351. * qref is written to LUT in peer setup or peer map.
  352. * At this point peer setup for link peer is called
  353. * before peer map, hence peer id is not assigned.
  354. * This could happen if peer_setup is called before
  355. * host receives HTT peer map. In this case return
  356. * success with no op and let peer map handle
  357. * writing the reo_qref to LUT.
  358. */
  359. dp_peer_debug("Invalid peer id for dp_peer:%pK", peer);
  360. return QDF_STATUS_SUCCESS;
  361. }
  362. hal_reo_shared_qaddr_write(soc->hal_soc,
  363. peer->peer_id,
  364. tid, peer->rx_tid[tid].hw_qdesc_paddr);
  365. }
  366. return QDF_STATUS_SUCCESS;
  367. }
  368. #else
  369. static inline
  370. QDF_STATUS dp_peer_rx_reorder_queue_setup_be(struct dp_soc *soc,
  371. struct dp_peer *peer,
  372. int tid,
  373. uint32_t ba_window_size)
  374. {
  375. struct dp_rx_tid *rx_tid = &peer->rx_tid[tid];
  376. if (!rx_tid->hw_qdesc_paddr)
  377. return QDF_STATUS_E_INVAL;
  378. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup) {
  379. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup(
  380. soc->ctrl_psoc,
  381. peer->vdev->pdev->pdev_id,
  382. peer->vdev->vdev_id,
  383. peer->mac_addr.raw, rx_tid->hw_qdesc_paddr, tid, tid,
  384. 1, ba_window_size)) {
  385. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  386. soc, tid);
  387. return QDF_STATUS_E_FAILURE;
  388. }
  389. }
  390. return QDF_STATUS_SUCCESS;
  391. }
  392. #endif /* WLAN_FEATURE_11BE_MLO */
  393. #ifdef QCA_DP_RX_NBUF_AND_NBUF_DATA_PREFETCH
  394. static inline
  395. void dp_rx_prefetch_nbuf_data_be(qdf_nbuf_t nbuf, qdf_nbuf_t next)
  396. {
  397. if (next) {
  398. /* prefetch skb->next and first few bytes of skb->cb */
  399. qdf_prefetch(next);
  400. /* skb->cb spread across 2 cache lines hence below prefetch */
  401. qdf_prefetch(&next->_skb_refdst);
  402. qdf_prefetch(&next->len);
  403. qdf_prefetch(&next->protocol);
  404. qdf_prefetch(next->data);
  405. qdf_prefetch(next->data + 64);
  406. qdf_prefetch(next->data + 128);
  407. }
  408. }
  409. #else
  410. static inline
  411. void dp_rx_prefetch_nbuf_data_be(qdf_nbuf_t nbuf, qdf_nbuf_t next)
  412. {
  413. }
  414. #endif
  415. #ifdef QCA_DP_RX_HW_SW_NBUF_DESC_PREFETCH
  416. /**
  417. * dp_rx_va_prefetch() - function to prefetch the SW desc
  418. * @last_prefetched_hw_desc: HW desc
  419. *
  420. * Return: prefetched Rx descriptor virtual address
  421. */
  422. static inline
  423. void *dp_rx_va_prefetch(void *last_prefetched_hw_desc)
  424. {
  425. void *prefetch_desc;
  426. prefetch_desc = (void *)hal_rx_get_reo_desc_va(last_prefetched_hw_desc);
  427. qdf_prefetch(prefetch_desc);
  428. return prefetch_desc;
  429. }
  430. /**
  431. * dp_rx_prefetch_hw_sw_nbuf_32_byte_desc() - function to prefetch HW and SW
  432. * descriptors
  433. * @soc: DP soc context
  434. * @hal_soc: Handle to HAL Soc structure
  435. * @num_entries: valid number of HW descriptors
  436. * @hal_ring_hdl: Destination ring pointer
  437. * @last_prefetched_hw_desc: pointer to the last prefetched HW descriptor
  438. * @last_prefetched_sw_desc: input & output param of last prefetch SW desc
  439. *
  440. * Return: None
  441. */
  442. static inline void
  443. dp_rx_prefetch_hw_sw_nbuf_32_byte_desc(struct dp_soc *soc,
  444. hal_soc_handle_t hal_soc,
  445. uint32_t num_entries,
  446. hal_ring_handle_t hal_ring_hdl,
  447. hal_ring_desc_t *last_prefetched_hw_desc,
  448. struct dp_rx_desc **last_prefetched_sw_desc)
  449. {
  450. if (*last_prefetched_sw_desc) {
  451. qdf_prefetch((uint8_t *)(*last_prefetched_sw_desc)->nbuf);
  452. qdf_prefetch((uint8_t *)(*last_prefetched_sw_desc)->nbuf + 64);
  453. }
  454. if (num_entries) {
  455. *last_prefetched_sw_desc =
  456. dp_rx_va_prefetch(*last_prefetched_hw_desc);
  457. if ((uintptr_t)*last_prefetched_hw_desc & 0x3f)
  458. *last_prefetched_hw_desc =
  459. hal_srng_dst_prefetch_next_cached_desc(hal_soc,
  460. hal_ring_hdl,
  461. (uint8_t *)*last_prefetched_hw_desc);
  462. else
  463. *last_prefetched_hw_desc =
  464. hal_srng_dst_get_next_32_byte_desc(hal_soc,
  465. hal_ring_hdl,
  466. (uint8_t *)*last_prefetched_hw_desc);
  467. }
  468. }
  469. #else
  470. static inline void
  471. dp_rx_prefetch_hw_sw_nbuf_32_byte_desc(struct dp_soc *soc,
  472. hal_soc_handle_t hal_soc,
  473. uint32_t num_entries,
  474. hal_ring_handle_t hal_ring_hdl,
  475. hal_ring_desc_t *last_prefetched_hw_desc,
  476. struct dp_rx_desc **last_prefetched_sw_desc)
  477. {
  478. }
  479. #endif
  480. #ifdef CONFIG_WORD_BASED_TLV
  481. /**
  482. * dp_rx_get_reo_qdesc_addr_be(): API to get qdesc address of reo
  483. * entrance ring desc
  484. *
  485. * @hal_soc: Handle to HAL Soc structure
  486. * @dst_ring_desc: reo dest ring descriptor (used for Lithium DP)
  487. * @buf: pointer to the start of RX PKT TLV headers
  488. * @txrx_peer: pointer to txrx_peer
  489. * @tid: tid value
  490. *
  491. * Return: qdesc address in reo destination ring buffer
  492. */
  493. static inline
  494. uint64_t dp_rx_get_reo_qdesc_addr_be(hal_soc_handle_t hal_soc,
  495. uint8_t *dst_ring_desc,
  496. uint8_t *buf,
  497. struct dp_txrx_peer *txrx_peer,
  498. unsigned int tid)
  499. {
  500. struct dp_peer *peer = NULL;
  501. uint64_t qdesc_addr = 0;
  502. if (hal_reo_shared_qaddr_is_enable(hal_soc)) {
  503. qdesc_addr = (uint64_t)txrx_peer->peer_id;
  504. } else {
  505. peer = dp_peer_get_ref_by_id(txrx_peer->vdev->pdev->soc,
  506. txrx_peer->peer_id,
  507. DP_MOD_ID_CONFIG);
  508. if (!peer)
  509. return 0;
  510. qdesc_addr = (uint64_t)peer->rx_tid[tid].hw_qdesc_paddr;
  511. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  512. }
  513. return qdesc_addr;
  514. }
  515. #else
  516. static inline
  517. uint64_t dp_rx_get_reo_qdesc_addr_be(hal_soc_handle_t hal_soc,
  518. uint8_t *dst_ring_desc,
  519. uint8_t *buf,
  520. struct dp_txrx_peer *txrx_peer,
  521. unsigned int tid)
  522. {
  523. return hal_rx_get_qdesc_addr(hal_soc, dst_ring_desc, buf);
  524. }
  525. #endif
  526. /**
  527. * dp_rx_wbm_err_reap_desc_be() - Function to reap and replenish
  528. * WBM RX Error descriptors
  529. *
  530. * @int_ctx: pointer to DP interrupt context
  531. * @soc: core DP main context
  532. * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, to be serviced
  533. * @quota: No. of units (packets) that can be serviced in one shot.
  534. * @rx_bufs_used: No. of descriptors reaped
  535. *
  536. * This function implements the core Rx functionality like reap and
  537. * replenish the RX error ring Descriptors, and create a nbuf list
  538. * out of it. It also reads wbm error information from descriptors
  539. * and update the nbuf tlv area.
  540. *
  541. * Return: qdf_nbuf_t: head pointer to the nbuf list created
  542. */
  543. qdf_nbuf_t
  544. dp_rx_wbm_err_reap_desc_be(struct dp_intr *int_ctx, struct dp_soc *soc,
  545. hal_ring_handle_t hal_ring_hdl, uint32_t quota,
  546. uint32_t *rx_bufs_used);
  547. /**
  548. * dp_rx_null_q_desc_handle_be() - Function to handle NULL Queue
  549. * descriptor violation on either a
  550. * REO or WBM ring
  551. *
  552. * @soc: core DP main context
  553. * @nbuf: buffer pointer
  554. * @rx_tlv_hdr: start of rx tlv header
  555. * @pool_id: mac id
  556. * @txrx_peer: txrx peer handle
  557. * @is_reo_exception: flag to check if the error is from REO or WBM
  558. * @link_id: link Id on which the packet is received
  559. *
  560. * This function handles NULL queue descriptor violations arising out
  561. * a missing REO queue for a given peer or a given TID. This typically
  562. * may happen if a packet is received on a QOS enabled TID before the
  563. * ADDBA negotiation for that TID, when the TID queue is setup. Or
  564. * it may also happen for MC/BC frames if they are not routed to the
  565. * non-QOS TID queue, in the absence of any other default TID queue.
  566. * This error can show up both in a REO destination or WBM release ring.
  567. *
  568. * Return: QDF_STATUS_SUCCESS, if nbuf handled successfully. QDF status code
  569. * if nbuf could not be handled or dropped.
  570. */
  571. QDF_STATUS
  572. dp_rx_null_q_desc_handle_be(struct dp_soc *soc, qdf_nbuf_t nbuf,
  573. uint8_t *rx_tlv_hdr, uint8_t pool_id,
  574. struct dp_txrx_peer *txrx_peer,
  575. bool is_reo_exception, uint8_t link_id);
  576. #if defined(DP_PKT_STATS_PER_LMAC) && defined(WLAN_FEATURE_11BE_MLO)
  577. static inline void
  578. dp_rx_set_msdu_lmac_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  579. {
  580. uint8_t lmac_id;
  581. lmac_id = dp_rx_peer_metadata_lmac_id_get_be(peer_mdata);
  582. qdf_nbuf_set_lmac_id(nbuf, lmac_id);
  583. }
  584. #else
  585. static inline void
  586. dp_rx_set_msdu_lmac_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  587. {
  588. }
  589. #endif
  590. #ifndef CONFIG_NBUF_AP_PLATFORM
  591. static inline uint8_t
  592. dp_rx_peer_mdata_link_id_get_be(uint32_t peer_metadata)
  593. {
  594. return 0;
  595. }
  596. static inline void
  597. dp_rx_set_msdu_hw_link_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  598. {
  599. uint8_t logical_link_id;
  600. logical_link_id = dp_rx_peer_mdata_link_id_get_be(peer_mdata);
  601. QDF_NBUF_CB_RX_LOGICAL_LINK_ID(nbuf) = logical_link_id;
  602. }
  603. static inline uint8_t
  604. dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
  605. struct dp_txrx_peer *txrx_peer)
  606. {
  607. return QDF_NBUF_CB_RX_LOGICAL_LINK_ID(nbuf);
  608. }
  609. static inline uint16_t
  610. dp_rx_get_peer_id_be(qdf_nbuf_t nbuf)
  611. {
  612. return QDF_NBUF_CB_RX_PEER_ID(nbuf);
  613. }
  614. static inline void
  615. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(qdf_nbuf_t nbuf,
  616. uint32_t mpdu_desc_info,
  617. uint32_t peer_mdata,
  618. uint32_t msdu_desc_info)
  619. {
  620. }
  621. static inline uint8_t dp_rx_copy_desc_info_in_nbuf_cb(struct dp_soc *soc,
  622. hal_ring_desc_t ring_desc,
  623. qdf_nbuf_t nbuf,
  624. uint8_t reo_ring_num)
  625. {
  626. struct hal_rx_mpdu_desc_info mpdu_desc_info;
  627. struct hal_rx_msdu_desc_info msdu_desc_info;
  628. uint8_t pkt_capture_offload = 0;
  629. uint32_t peer_mdata = 0;
  630. qdf_mem_zero(&mpdu_desc_info, sizeof(mpdu_desc_info));
  631. qdf_mem_zero(&msdu_desc_info, sizeof(msdu_desc_info));
  632. /* Get MPDU DESC info */
  633. hal_rx_mpdu_desc_info_get_be(ring_desc, &mpdu_desc_info);
  634. /* Get MSDU DESC info */
  635. hal_rx_msdu_desc_info_get_be(ring_desc, &msdu_desc_info);
  636. /* Set the end bit to identify the last buffer in MPDU */
  637. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_LAST_MSDU_IN_MPDU)
  638. qdf_nbuf_set_rx_chfrag_end(nbuf, 1);
  639. if (mpdu_desc_info.mpdu_flags & HAL_MPDU_F_RETRY_BIT)
  640. qdf_nbuf_set_rx_retry_flag(nbuf, 1);
  641. if (qdf_unlikely(mpdu_desc_info.mpdu_flags & HAL_MPDU_F_RAW_AMPDU))
  642. qdf_nbuf_set_raw_frame(nbuf, 1);
  643. peer_mdata = mpdu_desc_info.peer_meta_data;
  644. QDF_NBUF_CB_RX_PEER_ID(nbuf) =
  645. dp_rx_peer_metadata_peer_id_get_be(soc, peer_mdata);
  646. QDF_NBUF_CB_RX_VDEV_ID(nbuf) =
  647. dp_rx_peer_metadata_vdev_id_get_be(soc, peer_mdata);
  648. dp_rx_set_msdu_lmac_id(nbuf, peer_mdata);
  649. dp_rx_set_msdu_hw_link_id(nbuf, peer_mdata);
  650. /* to indicate whether this msdu is rx offload */
  651. pkt_capture_offload =
  652. DP_PEER_METADATA_OFFLOAD_GET_BE(peer_mdata);
  653. /*
  654. * save msdu flags first, last and continuation msdu in
  655. * nbuf->cb, also save mcbc, is_da_valid, is_sa_valid and
  656. * length to nbuf->cb. This ensures the info required for
  657. * per pkt processing is always in the same cache line.
  658. * This helps in improving throughput for smaller pkt
  659. * sizes.
  660. */
  661. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_FIRST_MSDU_IN_MPDU)
  662. qdf_nbuf_set_rx_chfrag_start(nbuf, 1);
  663. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_MSDU_CONTINUATION)
  664. qdf_nbuf_set_rx_chfrag_cont(nbuf, 1);
  665. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_MCBC)
  666. qdf_nbuf_set_da_mcbc(nbuf, 1);
  667. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_VALID)
  668. qdf_nbuf_set_da_valid(nbuf, 1);
  669. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_SA_IS_VALID)
  670. qdf_nbuf_set_sa_valid(nbuf, 1);
  671. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_INTRA_BSS)
  672. qdf_nbuf_set_intra_bss(nbuf, 1);
  673. if (qdf_likely(mpdu_desc_info.mpdu_flags &
  674. HAL_MPDU_F_QOS_CONTROL_VALID))
  675. qdf_nbuf_set_tid_val(nbuf, mpdu_desc_info.tid);
  676. /* set sw exception */
  677. qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt(
  678. nbuf,
  679. hal_rx_sw_exception_get_be(ring_desc));
  680. QDF_NBUF_CB_RX_PKT_LEN(nbuf) = msdu_desc_info.msdu_len;
  681. QDF_NBUF_CB_RX_CTX_ID(nbuf) = reo_ring_num;
  682. return pkt_capture_offload;
  683. }
  684. static inline uint8_t hal_rx_get_l3_pad_bytes_be(qdf_nbuf_t nbuf,
  685. uint8_t *rx_tlv_hdr)
  686. {
  687. return HAL_RX_TLV_L3_HEADER_PADDING_GET(rx_tlv_hdr);
  688. }
  689. #else
  690. static inline uint8_t
  691. dp_rx_peer_mdata_link_id_get_be(uint32_t peer_metadata)
  692. {
  693. uint8_t link_id = 0;
  694. link_id = (HTT_RX_PEER_META_DATA_V1A_LOGICAL_LINK_ID_GET(peer_metadata)
  695. + 1);
  696. if (link_id > DP_MAX_MLO_LINKS)
  697. link_id = 0;
  698. return link_id;
  699. }
  700. static inline void
  701. dp_rx_set_msdu_hw_link_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  702. {
  703. }
  704. static inline uint8_t
  705. dp_rx_get_stats_arr_idx_from_link_id(qdf_nbuf_t nbuf,
  706. struct dp_txrx_peer *txrx_peer)
  707. {
  708. uint8_t link_id = 0;
  709. link_id = (QDF_NBUF_CB_RX_HW_LINK_ID(nbuf) + 1);
  710. if (link_id > DP_MAX_MLO_LINKS) {
  711. link_id = 0;
  712. DP_PEER_PER_PKT_STATS_INC(txrx_peer,
  713. rx.inval_link_id_pkt_cnt,
  714. 1, link_id);
  715. }
  716. return link_id;
  717. }
  718. static inline uint16_t
  719. dp_rx_get_peer_id_be(qdf_nbuf_t nbuf)
  720. {
  721. uint32_t peer_metadata = QDF_NBUF_CB_RX_MPDU_DESC_INFO_2(nbuf);
  722. return ((peer_metadata & DP_BE_PEER_METADATA_PEER_ID_MASK) >>
  723. DP_BE_PEER_METADATA_PEER_ID_SHIFT);
  724. }
  725. static inline void
  726. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(qdf_nbuf_t nbuf,
  727. uint32_t mpdu_desc_info,
  728. uint32_t peer_mdata,
  729. uint32_t msdu_desc_info)
  730. {
  731. QDF_NBUF_CB_RX_MPDU_DESC_INFO_1(nbuf) = mpdu_desc_info;
  732. QDF_NBUF_CB_RX_MPDU_DESC_INFO_2(nbuf) = peer_mdata;
  733. QDF_NBUF_CB_RX_MSDU_DESC_INFO(nbuf) = msdu_desc_info;
  734. }
  735. static inline uint8_t dp_rx_copy_desc_info_in_nbuf_cb(struct dp_soc *soc,
  736. hal_ring_desc_t ring_desc,
  737. qdf_nbuf_t nbuf,
  738. uint8_t reo_ring_num)
  739. {
  740. uint32_t mpdu_desc_info = 0;
  741. uint32_t msdu_desc_info = 0;
  742. uint32_t peer_mdata = 0;
  743. /* get REO mpdu & msdu desc info */
  744. hal_rx_get_mpdu_msdu_desc_info_be(ring_desc,
  745. &mpdu_desc_info,
  746. &peer_mdata,
  747. &msdu_desc_info);
  748. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(nbuf,
  749. mpdu_desc_info,
  750. peer_mdata,
  751. msdu_desc_info);
  752. return 0;
  753. }
  754. static inline uint8_t hal_rx_get_l3_pad_bytes_be(qdf_nbuf_t nbuf,
  755. uint8_t *rx_tlv_hdr)
  756. {
  757. return QDF_NBUF_CB_RX_L3_PAD_MSB(nbuf) ? 2 : 0;
  758. }
  759. #endif
  760. #endif