dp_be_rx.h 26 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. #define HTT_RX_PEER_META_DATA_FIELD_GET(_var, _field_s, _field_m) \
  178. (((_var) & (_field_m)) >> (_field_s))
  179. #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH
  180. static inline uint16_t
  181. dp_rx_peer_metadata_peer_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  182. {
  183. uint8_t ml_peer_valid;
  184. uint16_t peer_id;
  185. peer_id = HTT_RX_PEER_META_DATA_FIELD_GET(peer_metadata,
  186. soc->htt_peer_id_s,
  187. soc->htt_peer_id_m);
  188. ml_peer_valid = HTT_RX_PEER_META_DATA_FIELD_GET(
  189. peer_metadata,
  190. soc->htt_mld_peer_valid_s,
  191. soc->htt_mld_peer_valid_m);
  192. return (peer_id | (ml_peer_valid << soc->peer_id_shift));
  193. }
  194. #else
  195. /* Combine ml_peer_valid and peer_id field */
  196. #define DP_BE_PEER_METADATA_PEER_ID_MASK 0x00003fff
  197. #define DP_BE_PEER_METADATA_PEER_ID_SHIFT 0
  198. static inline uint16_t
  199. dp_rx_peer_metadata_peer_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  200. {
  201. return ((peer_metadata & DP_BE_PEER_METADATA_PEER_ID_MASK) >>
  202. DP_BE_PEER_METADATA_PEER_ID_SHIFT);
  203. }
  204. #endif
  205. static inline uint16_t
  206. dp_rx_peer_metadata_vdev_id_get_be(struct dp_soc *soc, uint32_t peer_metadata)
  207. {
  208. return HTT_RX_PEER_META_DATA_FIELD_GET(peer_metadata,
  209. soc->htt_vdev_id_s,
  210. soc->htt_vdev_id_m);
  211. }
  212. static inline uint8_t
  213. dp_rx_peer_metadata_lmac_id_get_be(uint32_t peer_metadata)
  214. {
  215. return HTT_RX_PEER_META_DATA_V1_LMAC_ID_GET(peer_metadata);
  216. }
  217. #ifdef WLAN_FEATURE_NEAR_FULL_IRQ
  218. /**
  219. * dp_rx_nf_process() - Near Full state handler for RX rings.
  220. * @int_ctx: interrupt context
  221. * @hal_ring_hdl: Rx ring handle
  222. * @reo_ring_num: RX ring number
  223. * @quota: Quota of work to be done
  224. *
  225. * Return: work done in the handler
  226. */
  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. #else
  232. static inline
  233. uint32_t dp_rx_nf_process(struct dp_intr *int_ctx,
  234. hal_ring_handle_t hal_ring_hdl,
  235. uint8_t reo_ring_num,
  236. uint32_t quota)
  237. {
  238. return 0;
  239. }
  240. #endif /*WLAN_FEATURE_NEAR_FULL_IRQ */
  241. #if defined(WLAN_FEATURE_11BE_MLO) && defined(WLAN_MLO_MULTI_CHIP)
  242. struct dp_soc *
  243. dp_rx_replenish_soc_get(struct dp_soc *soc, uint8_t chip_id);
  244. struct dp_soc *
  245. dp_soc_get_by_idle_bm_id(struct dp_soc *soc, uint8_t idle_bm_id);
  246. uint8_t dp_soc_get_num_soc_be(struct dp_soc *soc);
  247. #else
  248. static inline struct dp_soc *
  249. dp_rx_replenish_soc_get(struct dp_soc *soc, uint8_t chip_id)
  250. {
  251. return soc;
  252. }
  253. static inline uint8_t
  254. dp_soc_get_num_soc_be(struct dp_soc *soc)
  255. {
  256. return 1;
  257. }
  258. #endif
  259. #ifdef WLAN_FEATURE_11BE_MLO
  260. /**
  261. * dp_rx_mlo_igmp_handler() - Rx handler for Mcast packets
  262. * @soc: Handle to DP Soc structure
  263. * @vdev: DP vdev handle
  264. * @peer: DP peer handle
  265. * @nbuf: nbuf to be enqueued
  266. * @link_id: link id on which the packet is received
  267. *
  268. * Return: true when packet sent to stack, false failure
  269. */
  270. bool dp_rx_mlo_igmp_handler(struct dp_soc *soc,
  271. struct dp_vdev *vdev,
  272. struct dp_txrx_peer *peer,
  273. qdf_nbuf_t nbuf,
  274. uint8_t link_id);
  275. /**
  276. * dp_peer_rx_reorder_queue_setup_be() - Send reo queue setup wmi cmd to FW
  277. * per peer type
  278. * @soc: DP Soc handle
  279. * @peer: dp peer to operate on
  280. * @tid: TID
  281. * @ba_window_size: BlockAck window size
  282. *
  283. * Return: 0 - success, others - failure
  284. */
  285. static inline
  286. QDF_STATUS dp_peer_rx_reorder_queue_setup_be(struct dp_soc *soc,
  287. struct dp_peer *peer,
  288. int tid,
  289. uint32_t ba_window_size)
  290. {
  291. uint8_t i;
  292. struct dp_mld_link_peers link_peers_info;
  293. struct dp_peer *link_peer;
  294. struct dp_rx_tid *rx_tid;
  295. struct dp_soc *link_peer_soc;
  296. rx_tid = &peer->rx_tid[tid];
  297. if (!rx_tid->hw_qdesc_paddr)
  298. return QDF_STATUS_E_INVAL;
  299. if (!hal_reo_shared_qaddr_is_enable(soc->hal_soc)) {
  300. if (IS_MLO_DP_MLD_PEER(peer)) {
  301. /* get link peers with reference */
  302. dp_get_link_peers_ref_from_mld_peer(soc, peer,
  303. &link_peers_info,
  304. DP_MOD_ID_CDP);
  305. /* send WMI cmd to each link peers */
  306. for (i = 0; i < link_peers_info.num_links; i++) {
  307. link_peer = link_peers_info.link_peers[i];
  308. link_peer_soc = link_peer->vdev->pdev->soc;
  309. if (link_peer_soc->cdp_soc.ol_ops->
  310. peer_rx_reorder_queue_setup) {
  311. if (link_peer_soc->cdp_soc.ol_ops->
  312. peer_rx_reorder_queue_setup(
  313. link_peer_soc->ctrl_psoc,
  314. link_peer->vdev->pdev->pdev_id,
  315. link_peer->vdev->vdev_id,
  316. link_peer->mac_addr.raw,
  317. rx_tid->hw_qdesc_paddr,
  318. tid, tid,
  319. 1, ba_window_size)) {
  320. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  321. link_peer_soc, tid);
  322. return QDF_STATUS_E_FAILURE;
  323. }
  324. }
  325. }
  326. /* release link peers reference */
  327. dp_release_link_peers_ref(&link_peers_info,
  328. DP_MOD_ID_CDP);
  329. } else if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  330. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup) {
  331. if (soc->cdp_soc.ol_ops->
  332. peer_rx_reorder_queue_setup(
  333. soc->ctrl_psoc,
  334. peer->vdev->pdev->pdev_id,
  335. peer->vdev->vdev_id,
  336. peer->mac_addr.raw,
  337. rx_tid->hw_qdesc_paddr,
  338. tid, tid,
  339. 1, ba_window_size)) {
  340. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  341. soc, tid);
  342. return QDF_STATUS_E_FAILURE;
  343. }
  344. }
  345. } else {
  346. dp_peer_err("invalid peer type %d", peer->peer_type);
  347. return QDF_STATUS_E_FAILURE;
  348. }
  349. } else {
  350. /* Some BE targets dont require WMI and use shared
  351. * table managed by host for storing Reo queue ref structs
  352. */
  353. if (IS_MLO_DP_LINK_PEER(peer) ||
  354. peer->peer_id == HTT_INVALID_PEER) {
  355. /* Return if this is for MLD link peer and table
  356. * is not used in MLD link peer case as MLD peer's
  357. * qref is written to LUT in peer setup or peer map.
  358. * At this point peer setup for link peer is called
  359. * before peer map, hence peer id is not assigned.
  360. * This could happen if peer_setup is called before
  361. * host receives HTT peer map. In this case return
  362. * success with no op and let peer map handle
  363. * writing the reo_qref to LUT.
  364. */
  365. dp_peer_debug("Invalid peer id for dp_peer:%pK", peer);
  366. return QDF_STATUS_SUCCESS;
  367. }
  368. hal_reo_shared_qaddr_write(soc->hal_soc,
  369. peer->peer_id,
  370. tid, peer->rx_tid[tid].hw_qdesc_paddr);
  371. }
  372. return QDF_STATUS_SUCCESS;
  373. }
  374. #else
  375. static inline
  376. QDF_STATUS dp_peer_rx_reorder_queue_setup_be(struct dp_soc *soc,
  377. struct dp_peer *peer,
  378. int tid,
  379. uint32_t ba_window_size)
  380. {
  381. struct dp_rx_tid *rx_tid = &peer->rx_tid[tid];
  382. if (!rx_tid->hw_qdesc_paddr)
  383. return QDF_STATUS_E_INVAL;
  384. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup) {
  385. if (soc->cdp_soc.ol_ops->peer_rx_reorder_queue_setup(
  386. soc->ctrl_psoc,
  387. peer->vdev->pdev->pdev_id,
  388. peer->vdev->vdev_id,
  389. peer->mac_addr.raw, rx_tid->hw_qdesc_paddr, tid, tid,
  390. 1, ba_window_size)) {
  391. dp_peer_err("%pK: Failed to send reo queue setup to FW - tid %d\n",
  392. soc, tid);
  393. return QDF_STATUS_E_FAILURE;
  394. }
  395. }
  396. return QDF_STATUS_SUCCESS;
  397. }
  398. #endif /* WLAN_FEATURE_11BE_MLO */
  399. #ifdef QCA_DP_RX_NBUF_AND_NBUF_DATA_PREFETCH
  400. static inline
  401. void dp_rx_prefetch_nbuf_data_be(qdf_nbuf_t nbuf, qdf_nbuf_t next)
  402. {
  403. if (next) {
  404. /* prefetch skb->next and first few bytes of skb->cb */
  405. qdf_prefetch(next);
  406. /* skb->cb spread across 2 cache lines hence below prefetch */
  407. qdf_prefetch(&next->_skb_refdst);
  408. qdf_prefetch(&next->protocol);
  409. qdf_prefetch(&next->data);
  410. qdf_prefetch(next->data);
  411. qdf_prefetch(next->data + 64);
  412. }
  413. }
  414. #else
  415. static inline
  416. void dp_rx_prefetch_nbuf_data_be(qdf_nbuf_t nbuf, qdf_nbuf_t next)
  417. {
  418. }
  419. #endif
  420. #ifdef QCA_DP_RX_HW_SW_NBUF_DESC_PREFETCH
  421. /**
  422. * dp_rx_va_prefetch() - function to prefetch the SW desc
  423. * @last_prefetched_hw_desc: HW desc
  424. *
  425. * Return: prefetched Rx descriptor virtual address
  426. */
  427. static inline
  428. void *dp_rx_va_prefetch(void *last_prefetched_hw_desc)
  429. {
  430. void *prefetch_desc;
  431. prefetch_desc = (void *)hal_rx_get_reo_desc_va(last_prefetched_hw_desc);
  432. qdf_prefetch(prefetch_desc);
  433. return prefetch_desc;
  434. }
  435. /**
  436. * dp_rx_prefetch_hw_sw_nbuf_32_byte_desc() - function to prefetch HW and SW
  437. * descriptors
  438. * @soc: DP soc context
  439. * @hal_soc: Handle to HAL Soc structure
  440. * @num_entries: valid number of HW descriptors
  441. * @hal_ring_hdl: Destination ring pointer
  442. * @last_prefetched_hw_desc: pointer to the last prefetched HW descriptor
  443. * @last_prefetched_sw_desc: input & output param of last prefetch SW desc
  444. *
  445. * Return: None
  446. */
  447. static inline void
  448. dp_rx_prefetch_hw_sw_nbuf_32_byte_desc(struct dp_soc *soc,
  449. hal_soc_handle_t hal_soc,
  450. uint32_t num_entries,
  451. hal_ring_handle_t hal_ring_hdl,
  452. hal_ring_desc_t *last_prefetched_hw_desc,
  453. struct dp_rx_desc **last_prefetched_sw_desc)
  454. {
  455. if (*last_prefetched_sw_desc) {
  456. qdf_prefetch((uint8_t *)(*last_prefetched_sw_desc)->nbuf);
  457. qdf_prefetch((uint8_t *)(*last_prefetched_sw_desc)->nbuf + 64);
  458. }
  459. if (num_entries) {
  460. *last_prefetched_sw_desc =
  461. dp_rx_va_prefetch(*last_prefetched_hw_desc);
  462. if ((uintptr_t)*last_prefetched_hw_desc & 0x3f)
  463. *last_prefetched_hw_desc =
  464. hal_srng_dst_prefetch_next_cached_desc(hal_soc,
  465. hal_ring_hdl,
  466. (uint8_t *)*last_prefetched_hw_desc);
  467. else
  468. *last_prefetched_hw_desc =
  469. hal_srng_dst_get_next_32_byte_desc(hal_soc,
  470. hal_ring_hdl,
  471. (uint8_t *)*last_prefetched_hw_desc);
  472. }
  473. }
  474. #else
  475. static inline void
  476. dp_rx_prefetch_hw_sw_nbuf_32_byte_desc(struct dp_soc *soc,
  477. hal_soc_handle_t hal_soc,
  478. uint32_t num_entries,
  479. hal_ring_handle_t hal_ring_hdl,
  480. hal_ring_desc_t *last_prefetched_hw_desc,
  481. struct dp_rx_desc **last_prefetched_sw_desc)
  482. {
  483. }
  484. #endif
  485. #ifdef CONFIG_WORD_BASED_TLV
  486. /**
  487. * dp_rx_get_reo_qdesc_addr_be(): API to get qdesc address of reo
  488. * entrance ring desc
  489. *
  490. * @hal_soc: Handle to HAL Soc structure
  491. * @dst_ring_desc: reo dest ring descriptor (used for Lithium DP)
  492. * @buf: pointer to the start of RX PKT TLV headers
  493. * @txrx_peer: pointer to txrx_peer
  494. * @tid: tid value
  495. *
  496. * Return: qdesc address in reo destination ring buffer
  497. */
  498. static inline
  499. uint64_t dp_rx_get_reo_qdesc_addr_be(hal_soc_handle_t hal_soc,
  500. uint8_t *dst_ring_desc,
  501. uint8_t *buf,
  502. struct dp_txrx_peer *txrx_peer,
  503. unsigned int tid)
  504. {
  505. struct dp_peer *peer = NULL;
  506. uint64_t qdesc_addr = 0;
  507. if (hal_reo_shared_qaddr_is_enable(hal_soc)) {
  508. qdesc_addr = (uint64_t)txrx_peer->peer_id;
  509. } else {
  510. peer = dp_peer_get_ref_by_id(txrx_peer->vdev->pdev->soc,
  511. txrx_peer->peer_id,
  512. DP_MOD_ID_CONFIG);
  513. if (!peer)
  514. return 0;
  515. qdesc_addr = (uint64_t)peer->rx_tid[tid].hw_qdesc_paddr;
  516. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  517. }
  518. return qdesc_addr;
  519. }
  520. #else
  521. static inline
  522. uint64_t dp_rx_get_reo_qdesc_addr_be(hal_soc_handle_t hal_soc,
  523. uint8_t *dst_ring_desc,
  524. uint8_t *buf,
  525. struct dp_txrx_peer *txrx_peer,
  526. unsigned int tid)
  527. {
  528. return hal_rx_get_qdesc_addr(hal_soc, dst_ring_desc, buf);
  529. }
  530. #endif
  531. /**
  532. * dp_rx_wbm_err_reap_desc_be() - Function to reap and replenish
  533. * WBM RX Error descriptors
  534. *
  535. * @int_ctx: pointer to DP interrupt context
  536. * @soc: core DP main context
  537. * @hal_ring_hdl: opaque pointer to the HAL Rx Error Ring, to be serviced
  538. * @quota: No. of units (packets) that can be serviced in one shot.
  539. * @rx_bufs_used: No. of descriptors reaped
  540. *
  541. * This function implements the core Rx functionality like reap and
  542. * replenish the RX error ring Descriptors, and create a nbuf list
  543. * out of it. It also reads wbm error information from descriptors
  544. * and update the nbuf tlv area.
  545. *
  546. * Return: qdf_nbuf_t: head pointer to the nbuf list created
  547. */
  548. qdf_nbuf_t
  549. dp_rx_wbm_err_reap_desc_be(struct dp_intr *int_ctx, struct dp_soc *soc,
  550. hal_ring_handle_t hal_ring_hdl, uint32_t quota,
  551. uint32_t *rx_bufs_used);
  552. /**
  553. * dp_rx_null_q_desc_handle_be() - Function to handle NULL Queue
  554. * descriptor violation on either a
  555. * REO or WBM ring
  556. *
  557. * @soc: core DP main context
  558. * @nbuf: buffer pointer
  559. * @rx_tlv_hdr: start of rx tlv header
  560. * @pool_id: mac id
  561. * @txrx_peer: txrx peer handle
  562. * @is_reo_exception: flag to check if the error is from REO or WBM
  563. * @link_id: link Id on which the packet is received
  564. *
  565. * This function handles NULL queue descriptor violations arising out
  566. * a missing REO queue for a given peer or a given TID. This typically
  567. * may happen if a packet is received on a QOS enabled TID before the
  568. * ADDBA negotiation for that TID, when the TID queue is setup. Or
  569. * it may also happen for MC/BC frames if they are not routed to the
  570. * non-QOS TID queue, in the absence of any other default TID queue.
  571. * This error can show up both in a REO destination or WBM release ring.
  572. *
  573. * Return: QDF_STATUS_SUCCESS, if nbuf handled successfully. QDF status code
  574. * if nbuf could not be handled or dropped.
  575. */
  576. QDF_STATUS
  577. dp_rx_null_q_desc_handle_be(struct dp_soc *soc, qdf_nbuf_t nbuf,
  578. uint8_t *rx_tlv_hdr, uint8_t pool_id,
  579. struct dp_txrx_peer *txrx_peer,
  580. bool is_reo_exception, uint8_t link_id);
  581. #if defined(DP_PKT_STATS_PER_LMAC) && defined(WLAN_FEATURE_11BE_MLO)
  582. static inline void
  583. dp_rx_set_msdu_lmac_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  584. {
  585. uint8_t lmac_id;
  586. lmac_id = dp_rx_peer_metadata_lmac_id_get_be(peer_mdata);
  587. qdf_nbuf_set_lmac_id(nbuf, lmac_id);
  588. }
  589. #else
  590. static inline void
  591. dp_rx_set_msdu_lmac_id(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  592. {
  593. }
  594. #endif
  595. #ifndef CONFIG_NBUF_AP_PLATFORM
  596. #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
  597. static inline uint8_t
  598. dp_rx_peer_mdata_link_id_get_be(uint32_t peer_mdata)
  599. {
  600. uint8_t link_id;
  601. link_id = HTT_RX_PEER_META_DATA_V1A_LOGICAL_LINK_ID_GET(peer_mdata) + 1;
  602. if (link_id > DP_MAX_MLO_LINKS)
  603. link_id = 0;
  604. return link_id;
  605. }
  606. #else
  607. static inline uint8_t
  608. dp_rx_peer_mdata_link_id_get_be(uint32_t peer_metadata)
  609. {
  610. return 0;
  611. }
  612. #endif /* DP_MLO_LINK_STATS_SUPPORT */
  613. static inline void
  614. dp_rx_set_link_id_be(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  615. {
  616. uint8_t logical_link_id;
  617. logical_link_id = dp_rx_peer_mdata_link_id_get_be(peer_mdata);
  618. QDF_NBUF_CB_RX_LOGICAL_LINK_ID(nbuf) = logical_link_id;
  619. }
  620. static inline uint16_t
  621. dp_rx_get_peer_id_be(qdf_nbuf_t nbuf)
  622. {
  623. return QDF_NBUF_CB_RX_PEER_ID(nbuf);
  624. }
  625. static inline void
  626. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(qdf_nbuf_t nbuf,
  627. uint32_t mpdu_desc_info,
  628. uint32_t peer_mdata,
  629. uint32_t msdu_desc_info)
  630. {
  631. }
  632. static inline uint8_t dp_rx_copy_desc_info_in_nbuf_cb(struct dp_soc *soc,
  633. hal_ring_desc_t ring_desc,
  634. qdf_nbuf_t nbuf,
  635. uint8_t reo_ring_num)
  636. {
  637. struct hal_rx_mpdu_desc_info mpdu_desc_info;
  638. struct hal_rx_msdu_desc_info msdu_desc_info;
  639. uint8_t pkt_capture_offload = 0;
  640. uint32_t peer_mdata = 0;
  641. qdf_mem_zero(&mpdu_desc_info, sizeof(mpdu_desc_info));
  642. qdf_mem_zero(&msdu_desc_info, sizeof(msdu_desc_info));
  643. /* Get MPDU DESC info */
  644. hal_rx_mpdu_desc_info_get_be(ring_desc, &mpdu_desc_info);
  645. /* Get MSDU DESC info */
  646. hal_rx_msdu_desc_info_get_be(ring_desc, &msdu_desc_info);
  647. /* Set the end bit to identify the last buffer in MPDU */
  648. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_LAST_MSDU_IN_MPDU)
  649. qdf_nbuf_set_rx_chfrag_end(nbuf, 1);
  650. if (mpdu_desc_info.mpdu_flags & HAL_MPDU_F_RETRY_BIT)
  651. qdf_nbuf_set_rx_retry_flag(nbuf, 1);
  652. if (qdf_unlikely(mpdu_desc_info.mpdu_flags & HAL_MPDU_F_RAW_AMPDU))
  653. qdf_nbuf_set_raw_frame(nbuf, 1);
  654. peer_mdata = mpdu_desc_info.peer_meta_data;
  655. QDF_NBUF_CB_RX_PEER_ID(nbuf) =
  656. dp_rx_peer_metadata_peer_id_get_be(soc, peer_mdata);
  657. QDF_NBUF_CB_RX_VDEV_ID(nbuf) =
  658. dp_rx_peer_metadata_vdev_id_get_be(soc, peer_mdata);
  659. dp_rx_set_msdu_lmac_id(nbuf, peer_mdata);
  660. dp_rx_set_link_id_be(nbuf, peer_mdata);
  661. /* to indicate whether this msdu is rx offload */
  662. pkt_capture_offload =
  663. DP_PEER_METADATA_OFFLOAD_GET_BE(peer_mdata);
  664. /*
  665. * save msdu flags first, last and continuation msdu in
  666. * nbuf->cb, also save mcbc, is_da_valid, is_sa_valid and
  667. * length to nbuf->cb. This ensures the info required for
  668. * per pkt processing is always in the same cache line.
  669. * This helps in improving throughput for smaller pkt
  670. * sizes.
  671. */
  672. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_FIRST_MSDU_IN_MPDU)
  673. qdf_nbuf_set_rx_chfrag_start(nbuf, 1);
  674. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_MSDU_CONTINUATION)
  675. qdf_nbuf_set_rx_chfrag_cont(nbuf, 1);
  676. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_MCBC)
  677. qdf_nbuf_set_da_mcbc(nbuf, 1);
  678. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_DA_IS_VALID)
  679. qdf_nbuf_set_da_valid(nbuf, 1);
  680. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_SA_IS_VALID)
  681. qdf_nbuf_set_sa_valid(nbuf, 1);
  682. if (msdu_desc_info.msdu_flags & HAL_MSDU_F_INTRA_BSS)
  683. qdf_nbuf_set_intra_bss(nbuf, 1);
  684. if (qdf_likely(mpdu_desc_info.mpdu_flags &
  685. HAL_MPDU_F_QOS_CONTROL_VALID))
  686. qdf_nbuf_set_tid_val(nbuf, mpdu_desc_info.tid);
  687. /* set sw exception */
  688. qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt(
  689. nbuf,
  690. hal_rx_sw_exception_get_be(ring_desc));
  691. QDF_NBUF_CB_RX_PKT_LEN(nbuf) = msdu_desc_info.msdu_len;
  692. QDF_NBUF_CB_RX_CTX_ID(nbuf) = reo_ring_num;
  693. return pkt_capture_offload;
  694. }
  695. static inline uint8_t hal_rx_get_l3_pad_bytes_be(qdf_nbuf_t nbuf,
  696. uint8_t *rx_tlv_hdr)
  697. {
  698. return HAL_RX_TLV_L3_HEADER_PADDING_GET(rx_tlv_hdr);
  699. }
  700. static inline uint8_t
  701. dp_rx_wbm_err_msdu_continuation_get(struct dp_soc *soc,
  702. hal_ring_desc_t ring_desc,
  703. qdf_nbuf_t nbuf)
  704. {
  705. return hal_rx_wbm_err_msdu_continuation_get(soc->hal_soc,
  706. ring_desc);
  707. }
  708. #else
  709. static inline void
  710. dp_rx_set_link_id_be(qdf_nbuf_t nbuf, uint32_t peer_mdata)
  711. {
  712. }
  713. static inline uint16_t
  714. dp_rx_get_peer_id_be(qdf_nbuf_t nbuf)
  715. {
  716. uint32_t peer_metadata = QDF_NBUF_CB_RX_MPDU_DESC_INFO_2(nbuf);
  717. return ((peer_metadata & DP_BE_PEER_METADATA_PEER_ID_MASK) >>
  718. DP_BE_PEER_METADATA_PEER_ID_SHIFT);
  719. }
  720. static inline void
  721. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(qdf_nbuf_t nbuf,
  722. uint32_t mpdu_desc_info,
  723. uint32_t peer_mdata,
  724. uint32_t msdu_desc_info)
  725. {
  726. QDF_NBUF_CB_RX_MPDU_DESC_INFO_1(nbuf) = mpdu_desc_info;
  727. QDF_NBUF_CB_RX_MPDU_DESC_INFO_2(nbuf) = peer_mdata;
  728. QDF_NBUF_CB_RX_MSDU_DESC_INFO(nbuf) = msdu_desc_info;
  729. }
  730. static inline uint8_t dp_rx_copy_desc_info_in_nbuf_cb(struct dp_soc *soc,
  731. hal_ring_desc_t ring_desc,
  732. qdf_nbuf_t nbuf,
  733. uint8_t reo_ring_num)
  734. {
  735. uint32_t mpdu_desc_info = 0;
  736. uint32_t msdu_desc_info = 0;
  737. uint32_t peer_mdata = 0;
  738. /* get REO mpdu & msdu desc info */
  739. hal_rx_get_mpdu_msdu_desc_info_be(ring_desc,
  740. &mpdu_desc_info,
  741. &peer_mdata,
  742. &msdu_desc_info);
  743. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(nbuf,
  744. mpdu_desc_info,
  745. peer_mdata,
  746. msdu_desc_info);
  747. return 0;
  748. }
  749. static inline uint8_t hal_rx_get_l3_pad_bytes_be(qdf_nbuf_t nbuf,
  750. uint8_t *rx_tlv_hdr)
  751. {
  752. return QDF_NBUF_CB_RX_L3_PAD_MSB(nbuf) ? 2 : 0;
  753. }
  754. static inline uint8_t
  755. dp_rx_wbm_err_msdu_continuation_get(struct dp_soc *soc,
  756. hal_ring_desc_t ring_desc,
  757. qdf_nbuf_t nbuf)
  758. {
  759. return qdf_nbuf_is_rx_chfrag_cont(nbuf);
  760. }
  761. #endif /* CONFIG_NBUF_AP_PLATFORM */
  762. /**
  763. * dp_rx_wbm_err_copy_desc_info_in_nbuf(): API to copy WBM dest ring
  764. * descriptor information in nbuf CB/TLV
  765. *
  766. * @soc: pointer to Soc structure
  767. * @ring_desc: wbm dest ring descriptor
  768. * @nbuf: nbuf to save descriptor information
  769. * @pool_id: pool id part of wbm error info
  770. *
  771. * Return: wbm error information details
  772. */
  773. static inline uint32_t
  774. dp_rx_wbm_err_copy_desc_info_in_nbuf(struct dp_soc *soc,
  775. hal_ring_desc_t ring_desc,
  776. qdf_nbuf_t nbuf,
  777. uint8_t pool_id)
  778. {
  779. uint32_t mpdu_desc_info = 0;
  780. uint32_t msdu_desc_info = 0;
  781. uint32_t peer_mdata = 0;
  782. union hal_wbm_err_info_u wbm_err = { 0 };
  783. /* get WBM mpdu & msdu desc info */
  784. hal_rx_wbm_err_mpdu_msdu_info_get_be(ring_desc,
  785. &wbm_err.info,
  786. &mpdu_desc_info,
  787. &msdu_desc_info,
  788. &peer_mdata);
  789. wbm_err.info_bit.pool_id = pool_id;
  790. dp_rx_set_mpdu_msdu_desc_info_in_nbuf(nbuf,
  791. mpdu_desc_info,
  792. peer_mdata,
  793. msdu_desc_info);
  794. dp_rx_set_wbm_err_info_in_nbuf(soc, nbuf, wbm_err);
  795. return wbm_err.info;
  796. }
  797. #if defined(WLAN_FEATURE_11BE_MLO) && defined(WLAN_MLO_MULTI_CHIP)
  798. struct dp_soc *
  799. dp_get_soc_by_chip_id_be(struct dp_soc *soc, uint8_t chip_id);
  800. #else
  801. static inline struct dp_soc *
  802. dp_get_soc_by_chip_id_be(struct dp_soc *soc, uint8_t chip_id)
  803. {
  804. return soc;
  805. }
  806. #endif
  807. #endif