dp_ipa.c 54 KB

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  1. /*
  2. * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
  3. *
  4. * Permission to use, copy, modify, and/or distribute this software for any
  5. * purpose with or without fee is hereby granted, provided that the above
  6. * copyright notice and this permission notice appear in all copies.
  7. *
  8. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9. * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10. * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11. * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12. * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13. * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14. * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15. */
  16. #ifdef IPA_OFFLOAD
  17. #include <qdf_ipa_wdi3.h>
  18. #include <qdf_types.h>
  19. #include <qdf_lock.h>
  20. #include <hal_hw_headers.h>
  21. #include <hal_api.h>
  22. #include <hif.h>
  23. #include <htt.h>
  24. #include <wdi_event.h>
  25. #include <queue.h>
  26. #include "dp_types.h"
  27. #include "dp_htt.h"
  28. #include "dp_tx.h"
  29. #include "dp_rx.h"
  30. #include "dp_ipa.h"
  31. /* Hard coded config parameters until dp_ops_cfg.cfg_attach implemented */
  32. #define CFG_IPA_UC_TX_BUF_SIZE_DEFAULT (2048)
  33. /* WAR for IPA_OFFLOAD case. In some cases, its observed that WBM tries to
  34. * release a buffer into WBM2SW RELEASE ring for IPA, and the ring is full.
  35. * This causes back pressure, resulting in a FW crash.
  36. * By leaving some entries with no buffer attached, WBM will be able to write
  37. * to the ring, and from dumps we can figure out the buffer which is causing
  38. * this issue.
  39. */
  40. #define DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES 16
  41. static QDF_STATUS __dp_ipa_handle_buf_smmu_mapping(struct dp_soc *soc,
  42. qdf_nbuf_t nbuf,
  43. bool create)
  44. {
  45. qdf_mem_info_t mem_map_table = {0};
  46. qdf_update_mem_map_table(soc->osdev, &mem_map_table,
  47. qdf_nbuf_get_frag_paddr(nbuf, 0),
  48. skb_end_pointer(nbuf) - nbuf->data);
  49. if (create)
  50. qdf_ipa_wdi_create_smmu_mapping(1, &mem_map_table);
  51. else
  52. qdf_ipa_wdi_release_smmu_mapping(1, &mem_map_table);
  53. return QDF_STATUS_SUCCESS;
  54. }
  55. QDF_STATUS dp_ipa_handle_rx_buf_smmu_mapping(struct dp_soc *soc,
  56. qdf_nbuf_t nbuf,
  57. bool create)
  58. {
  59. bool reo_remapped = false;
  60. struct dp_pdev *pdev;
  61. int i;
  62. for (i = 0; i < soc->pdev_count; i++) {
  63. pdev = soc->pdev_list[i];
  64. if (pdev && pdev->monitor_configured)
  65. return QDF_STATUS_SUCCESS;
  66. }
  67. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx) ||
  68. !qdf_mem_smmu_s1_enabled(soc->osdev))
  69. return QDF_STATUS_SUCCESS;
  70. qdf_spin_lock_bh(&soc->remap_lock);
  71. reo_remapped = soc->reo_remapped;
  72. qdf_spin_unlock_bh(&soc->remap_lock);
  73. if (!reo_remapped)
  74. return QDF_STATUS_SUCCESS;
  75. return __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  76. }
  77. #ifdef RX_DESC_MULTI_PAGE_ALLOC
  78. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  79. struct dp_pdev *pdev,
  80. bool create)
  81. {
  82. struct rx_desc_pool *rx_pool;
  83. uint8_t pdev_id;
  84. uint32_t num_desc, page_id, offset, i;
  85. uint16_t num_desc_per_page;
  86. union dp_rx_desc_list_elem_t *rx_desc_elem;
  87. struct dp_rx_desc *rx_desc;
  88. qdf_nbuf_t nbuf;
  89. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  90. return QDF_STATUS_SUCCESS;
  91. pdev_id = pdev->pdev_id;
  92. rx_pool = &soc->rx_desc_buf[pdev_id];
  93. qdf_spin_lock_bh(&rx_pool->lock);
  94. num_desc = rx_pool->pool_size;
  95. num_desc_per_page = rx_pool->desc_pages.num_element_per_page;
  96. for (i = 0; i < num_desc; i++) {
  97. page_id = i / num_desc_per_page;
  98. offset = i % num_desc_per_page;
  99. if (qdf_unlikely(!(rx_pool->desc_pages.cacheable_pages)))
  100. break;
  101. rx_desc_elem = dp_rx_desc_find(page_id, offset, rx_pool);
  102. rx_desc = &rx_desc_elem->rx_desc;
  103. if ((!(rx_desc->in_use)) || rx_desc->unmapped)
  104. continue;
  105. nbuf = rx_desc->nbuf;
  106. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  107. }
  108. qdf_spin_unlock_bh(&rx_pool->lock);
  109. return QDF_STATUS_SUCCESS;
  110. }
  111. #else
  112. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  113. struct dp_pdev *pdev,
  114. bool create)
  115. {
  116. struct rx_desc_pool *rx_pool;
  117. uint8_t pdev_id;
  118. qdf_nbuf_t nbuf;
  119. int i;
  120. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  121. return QDF_STATUS_SUCCESS;
  122. pdev_id = pdev->pdev_id;
  123. rx_pool = &soc->rx_desc_buf[pdev_id];
  124. qdf_spin_lock_bh(&rx_pool->lock);
  125. for (i = 0; i < rx_pool->pool_size; i++) {
  126. if ((!(rx_pool->array[i].rx_desc.in_use)) ||
  127. rx_pool->array[i].rx_desc.unmapped)
  128. continue;
  129. nbuf = rx_pool->array[i].rx_desc.nbuf;
  130. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  131. }
  132. qdf_spin_unlock_bh(&rx_pool->lock);
  133. return QDF_STATUS_SUCCESS;
  134. }
  135. #endif /* RX_DESC_MULTI_PAGE_ALLOC */
  136. /**
  137. * dp_tx_ipa_uc_detach - Free autonomy TX resources
  138. * @soc: data path instance
  139. * @pdev: core txrx pdev context
  140. *
  141. * Free allocated TX buffers with WBM SRNG
  142. *
  143. * Return: none
  144. */
  145. static void dp_tx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  146. {
  147. int idx;
  148. qdf_nbuf_t nbuf;
  149. struct dp_ipa_resources *ipa_res;
  150. for (idx = 0; idx < soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt; idx++) {
  151. nbuf = (qdf_nbuf_t)
  152. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx];
  153. if (!nbuf)
  154. continue;
  155. if (qdf_mem_smmu_s1_enabled(soc->osdev))
  156. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, false);
  157. qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
  158. qdf_nbuf_free(nbuf);
  159. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx] =
  160. (void *)NULL;
  161. }
  162. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  163. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  164. ipa_res = &pdev->ipa_resource;
  165. iounmap(ipa_res->tx_comp_doorbell_vaddr);
  166. qdf_mem_free_sgtable(&ipa_res->tx_ring.sgtable);
  167. qdf_mem_free_sgtable(&ipa_res->tx_comp_ring.sgtable);
  168. }
  169. /**
  170. * dp_rx_ipa_uc_detach - free autonomy RX resources
  171. * @soc: data path instance
  172. * @pdev: core txrx pdev context
  173. *
  174. * This function will detach DP RX into main device context
  175. * will free DP Rx resources.
  176. *
  177. * Return: none
  178. */
  179. static void dp_rx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  180. {
  181. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  182. qdf_mem_free_sgtable(&ipa_res->rx_rdy_ring.sgtable);
  183. qdf_mem_free_sgtable(&ipa_res->rx_refill_ring.sgtable);
  184. }
  185. int dp_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  186. {
  187. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  188. return QDF_STATUS_SUCCESS;
  189. /* TX resource detach */
  190. dp_tx_ipa_uc_detach(soc, pdev);
  191. /* RX resource detach */
  192. dp_rx_ipa_uc_detach(soc, pdev);
  193. qdf_spinlock_destroy(&soc->remap_lock);
  194. return QDF_STATUS_SUCCESS; /* success */
  195. }
  196. /**
  197. * dp_tx_ipa_uc_attach - Allocate autonomy TX resources
  198. * @soc: data path instance
  199. * @pdev: Physical device handle
  200. *
  201. * Allocate TX buffer from non-cacheable memory
  202. * Attache allocated TX buffers with WBM SRNG
  203. *
  204. * Return: int
  205. */
  206. static int dp_tx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  207. {
  208. uint32_t tx_buffer_count;
  209. uint32_t ring_base_align = 8;
  210. qdf_dma_addr_t buffer_paddr;
  211. struct hal_srng *wbm_srng = (struct hal_srng *)
  212. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  213. struct hal_srng_params srng_params;
  214. uint32_t paddr_lo;
  215. uint32_t paddr_hi;
  216. void *ring_entry;
  217. int num_entries;
  218. qdf_nbuf_t nbuf;
  219. int retval = QDF_STATUS_SUCCESS;
  220. int max_alloc_count = 0;
  221. /*
  222. * Uncomment when dp_ops_cfg.cfg_attach is implemented
  223. * unsigned int uc_tx_buf_sz =
  224. * dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
  225. */
  226. unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
  227. unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;
  228. hal_get_srng_params(soc->hal_soc, hal_srng_to_hal_ring_handle(wbm_srng),
  229. &srng_params);
  230. num_entries = srng_params.num_entries;
  231. max_alloc_count =
  232. num_entries - DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES;
  233. if (max_alloc_count <= 0) {
  234. dp_err("incorrect value for buffer count %u", max_alloc_count);
  235. return -EINVAL;
  236. }
  237. dp_info("requested %d buffers to be posted to wbm ring",
  238. max_alloc_count);
  239. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned =
  240. qdf_mem_malloc(num_entries *
  241. sizeof(*soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned));
  242. if (!soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned) {
  243. dp_err("IPA WBM Ring Tx buf pool vaddr alloc fail");
  244. return -ENOMEM;
  245. }
  246. hal_srng_access_start_unlocked(soc->hal_soc,
  247. hal_srng_to_hal_ring_handle(wbm_srng));
  248. /*
  249. * Allocate Tx buffers as many as possible.
  250. * Leave DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES empty
  251. * Populate Tx buffers into WBM2IPA ring
  252. * This initial buffer population will simulate H/W as source ring,
  253. * and update HP
  254. */
  255. for (tx_buffer_count = 0;
  256. tx_buffer_count < max_alloc_count - 1; tx_buffer_count++) {
  257. nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
  258. if (!nbuf)
  259. break;
  260. ring_entry = hal_srng_dst_get_next_hp(soc->hal_soc,
  261. hal_srng_to_hal_ring_handle(wbm_srng));
  262. if (!ring_entry) {
  263. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
  264. "%s: Failed to get WBM ring entry",
  265. __func__);
  266. qdf_nbuf_free(nbuf);
  267. break;
  268. }
  269. qdf_nbuf_map_single(soc->osdev, nbuf,
  270. QDF_DMA_BIDIRECTIONAL);
  271. buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);
  272. paddr_lo = ((uint64_t)buffer_paddr & 0x00000000ffffffff);
  273. paddr_hi = ((uint64_t)buffer_paddr & 0x0000001f00000000) >> 32;
  274. HAL_RXDMA_PADDR_LO_SET(ring_entry, paddr_lo);
  275. HAL_RXDMA_PADDR_HI_SET(ring_entry, paddr_hi);
  276. HAL_RXDMA_MANAGER_SET(ring_entry, (IPA_TCL_DATA_RING_IDX +
  277. HAL_WBM_SW0_BM_ID));
  278. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[tx_buffer_count]
  279. = (void *)nbuf;
  280. if (qdf_mem_smmu_s1_enabled(soc->osdev))
  281. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, true);
  282. }
  283. hal_srng_access_end_unlocked(soc->hal_soc,
  284. hal_srng_to_hal_ring_handle(wbm_srng));
  285. soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt = tx_buffer_count;
  286. if (tx_buffer_count) {
  287. dp_info("IPA WDI TX buffer: %d allocated", tx_buffer_count);
  288. } else {
  289. dp_err("No IPA WDI TX buffer allocated!");
  290. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  291. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  292. retval = -ENOMEM;
  293. }
  294. return retval;
  295. }
  296. /**
  297. * dp_rx_ipa_uc_attach - Allocate autonomy RX resources
  298. * @soc: data path instance
  299. * @pdev: core txrx pdev context
  300. *
  301. * This function will attach a DP RX instance into the main
  302. * device (SOC) context.
  303. *
  304. * Return: QDF_STATUS_SUCCESS: success
  305. * QDF_STATUS_E_RESOURCES: Error return
  306. */
  307. static int dp_rx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  308. {
  309. return QDF_STATUS_SUCCESS;
  310. }
  311. int dp_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  312. {
  313. int error;
  314. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  315. return QDF_STATUS_SUCCESS;
  316. qdf_spinlock_create(&soc->remap_lock);
  317. /* TX resource attach */
  318. error = dp_tx_ipa_uc_attach(soc, pdev);
  319. if (error) {
  320. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  321. "%s: DP IPA UC TX attach fail code %d",
  322. __func__, error);
  323. return error;
  324. }
  325. /* RX resource attach */
  326. error = dp_rx_ipa_uc_attach(soc, pdev);
  327. if (error) {
  328. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  329. "%s: DP IPA UC RX attach fail code %d",
  330. __func__, error);
  331. dp_tx_ipa_uc_detach(soc, pdev);
  332. return error;
  333. }
  334. return QDF_STATUS_SUCCESS; /* success */
  335. }
  336. /*
  337. * dp_ipa_ring_resource_setup() - setup IPA ring resources
  338. * @soc: data path SoC handle
  339. *
  340. * Return: none
  341. */
  342. int dp_ipa_ring_resource_setup(struct dp_soc *soc,
  343. struct dp_pdev *pdev)
  344. {
  345. struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
  346. struct hal_srng *hal_srng;
  347. struct hal_srng_params srng_params;
  348. qdf_dma_addr_t hp_addr;
  349. unsigned long addr_offset, dev_base_paddr;
  350. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  351. return QDF_STATUS_SUCCESS;
  352. /* IPA TCL_DATA Ring - HAL_SRNG_SW2TCL3 */
  353. hal_srng = (struct hal_srng *)
  354. soc->tcl_data_ring[IPA_TCL_DATA_RING_IDX].hal_srng;
  355. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  356. hal_srng_to_hal_ring_handle(hal_srng),
  357. &srng_params);
  358. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr =
  359. srng_params.ring_base_paddr;
  360. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr =
  361. srng_params.ring_base_vaddr;
  362. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size =
  363. (srng_params.num_entries * srng_params.entry_size) << 2;
  364. /*
  365. * For the register backed memory addresses, use the scn->mem_pa to
  366. * calculate the physical address of the shadow registers
  367. */
  368. dev_base_paddr =
  369. (unsigned long)
  370. ((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
  371. addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
  372. (unsigned long)(hal_soc->dev_base_addr);
  373. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr =
  374. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  375. dp_info("IPA TCL_DATA Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  376. (unsigned int)addr_offset,
  377. (unsigned int)dev_base_paddr,
  378. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr),
  379. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  380. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  381. srng_params.num_entries,
  382. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  383. /* IPA TX COMP Ring - HAL_SRNG_WBM2SW2_RELEASE */
  384. hal_srng = (struct hal_srng *)
  385. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  386. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  387. hal_srng_to_hal_ring_handle(hal_srng),
  388. &srng_params);
  389. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr =
  390. srng_params.ring_base_paddr;
  391. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr =
  392. srng_params.ring_base_vaddr;
  393. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size =
  394. (srng_params.num_entries * srng_params.entry_size) << 2;
  395. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  396. (unsigned long)(hal_soc->dev_base_addr);
  397. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr =
  398. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  399. dp_info("IPA TX COMP Ring addr_offset=%x, dev_base_paddr=%x, ipa_wbm_tp_paddr=%x paddr=%pK vaddr=0%pK size= %u(%u bytes)",
  400. (unsigned int)addr_offset,
  401. (unsigned int)dev_base_paddr,
  402. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr),
  403. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  404. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  405. srng_params.num_entries,
  406. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  407. /* IPA REO_DEST Ring - HAL_SRNG_REO2SW4 */
  408. hal_srng = (struct hal_srng *)
  409. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  410. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  411. hal_srng_to_hal_ring_handle(hal_srng),
  412. &srng_params);
  413. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr =
  414. srng_params.ring_base_paddr;
  415. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr =
  416. srng_params.ring_base_vaddr;
  417. soc->ipa_uc_rx_rsc.ipa_reo_ring_size =
  418. (srng_params.num_entries * srng_params.entry_size) << 2;
  419. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  420. (unsigned long)(hal_soc->dev_base_addr);
  421. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr =
  422. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  423. dp_info("IPA REO_DEST Ring addr_offset=%x, dev_base_paddr=%x, tp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  424. (unsigned int)addr_offset,
  425. (unsigned int)dev_base_paddr,
  426. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr),
  427. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  428. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  429. srng_params.num_entries,
  430. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  431. hal_srng = (struct hal_srng *)
  432. pdev->rx_refill_buf_ring2.hal_srng;
  433. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  434. hal_srng_to_hal_ring_handle(hal_srng),
  435. &srng_params);
  436. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr =
  437. srng_params.ring_base_paddr;
  438. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr =
  439. srng_params.ring_base_vaddr;
  440. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size =
  441. (srng_params.num_entries * srng_params.entry_size) << 2;
  442. hp_addr = hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  443. hal_srng_to_hal_ring_handle(hal_srng));
  444. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr =
  445. qdf_mem_paddr_from_dmaaddr(soc->osdev, hp_addr);
  446. dp_info("IPA REFILL_BUF Ring hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  447. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr),
  448. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  449. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  450. srng_params.num_entries,
  451. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  452. return 0;
  453. }
  454. static QDF_STATUS dp_ipa_get_shared_mem_info(qdf_device_t osdev,
  455. qdf_shared_mem_t *shared_mem,
  456. void *cpu_addr,
  457. qdf_dma_addr_t dma_addr,
  458. uint32_t size)
  459. {
  460. qdf_dma_addr_t paddr;
  461. int ret;
  462. shared_mem->vaddr = cpu_addr;
  463. qdf_mem_set_dma_size(osdev, &shared_mem->mem_info, size);
  464. *qdf_mem_get_dma_addr_ptr(osdev, &shared_mem->mem_info) = dma_addr;
  465. paddr = qdf_mem_paddr_from_dmaaddr(osdev, dma_addr);
  466. qdf_mem_set_dma_pa(osdev, &shared_mem->mem_info, paddr);
  467. ret = qdf_mem_dma_get_sgtable(osdev->dev, &shared_mem->sgtable,
  468. shared_mem->vaddr, dma_addr, size);
  469. if (ret) {
  470. dp_err("Unable to get DMA sgtable");
  471. return QDF_STATUS_E_NOMEM;
  472. }
  473. qdf_dma_get_sgtable_dma_addr(&shared_mem->sgtable);
  474. return QDF_STATUS_SUCCESS;
  475. }
  476. /**
  477. * dp_ipa_uc_get_resource() - Client request resource information
  478. * @ppdev - handle to the device instance
  479. *
  480. * IPA client will request IPA UC related resource information
  481. * Resource information will be distributed to IPA module
  482. * All of the required resources should be pre-allocated
  483. *
  484. * Return: QDF_STATUS
  485. */
  486. QDF_STATUS dp_ipa_get_resource(struct cdp_pdev *ppdev)
  487. {
  488. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  489. struct dp_soc *soc = pdev->soc;
  490. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  491. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  492. return QDF_STATUS_SUCCESS;
  493. ipa_res->tx_num_alloc_buffer =
  494. (uint32_t)soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;
  495. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_ring,
  496. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  497. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  498. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  499. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_comp_ring,
  500. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  501. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  502. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  503. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->rx_rdy_ring,
  504. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  505. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  506. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  507. dp_ipa_get_shared_mem_info(
  508. soc->osdev, &ipa_res->rx_refill_ring,
  509. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  510. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  511. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  512. if (!qdf_mem_get_dma_addr(soc->osdev,
  513. &ipa_res->tx_comp_ring.mem_info) ||
  514. !qdf_mem_get_dma_addr(soc->osdev, &ipa_res->rx_rdy_ring.mem_info))
  515. return QDF_STATUS_E_FAILURE;
  516. return QDF_STATUS_SUCCESS;
  517. }
  518. /**
  519. * dp_ipa_set_doorbell_paddr () - Set doorbell register physical address to SRNG
  520. * @ppdev - handle to the device instance
  521. *
  522. * Set TX_COMP_DOORBELL register physical address to WBM Head_Ptr_MemAddr_LSB
  523. * Set RX_READ_DOORBELL register physical address to REO Head_Ptr_MemAddr_LSB
  524. *
  525. * Return: none
  526. */
  527. QDF_STATUS dp_ipa_set_doorbell_paddr(struct cdp_pdev *ppdev)
  528. {
  529. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  530. struct dp_soc *soc = pdev->soc;
  531. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  532. struct hal_srng *wbm_srng = (struct hal_srng *)
  533. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  534. struct hal_srng *reo_srng = (struct hal_srng *)
  535. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  536. uint32_t tx_comp_doorbell_dmaaddr;
  537. uint32_t rx_ready_doorbell_dmaaddr;
  538. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  539. return QDF_STATUS_SUCCESS;
  540. ipa_res->tx_comp_doorbell_vaddr =
  541. ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
  542. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  543. pld_smmu_map(soc->osdev->dev, ipa_res->tx_comp_doorbell_paddr,
  544. &tx_comp_doorbell_dmaaddr, sizeof(uint32_t));
  545. ipa_res->tx_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  546. pld_smmu_map(soc->osdev->dev, ipa_res->rx_ready_doorbell_paddr,
  547. &rx_ready_doorbell_dmaaddr, sizeof(uint32_t));
  548. ipa_res->rx_ready_doorbell_paddr = rx_ready_doorbell_dmaaddr;
  549. }
  550. hal_srng_dst_set_hp_paddr(wbm_srng, ipa_res->tx_comp_doorbell_paddr);
  551. dp_info("paddr %pK vaddr %pK",
  552. (void *)ipa_res->tx_comp_doorbell_paddr,
  553. (void *)ipa_res->tx_comp_doorbell_vaddr);
  554. hal_srng_dst_init_hp(wbm_srng, ipa_res->tx_comp_doorbell_vaddr);
  555. /*
  556. * For RX, REO module on Napier/Hastings does reordering on incoming
  557. * Ethernet packets and writes one or more descriptors to REO2IPA Rx
  558. * ring.It then updates the ring’s Write/Head ptr and rings a doorbell
  559. * to IPA.
  560. * Set the doorbell addr for the REO ring.
  561. */
  562. hal_srng_dst_set_hp_paddr(reo_srng, ipa_res->rx_ready_doorbell_paddr);
  563. return QDF_STATUS_SUCCESS;
  564. }
  565. /**
  566. * dp_ipa_op_response() - Handle OP command response from firmware
  567. * @ppdev - handle to the device instance
  568. * @op_msg: op response message from firmware
  569. *
  570. * Return: none
  571. */
  572. QDF_STATUS dp_ipa_op_response(struct cdp_pdev *ppdev, uint8_t *op_msg)
  573. {
  574. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  575. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  576. return QDF_STATUS_SUCCESS;
  577. if (pdev->ipa_uc_op_cb) {
  578. pdev->ipa_uc_op_cb(op_msg, pdev->usr_ctxt);
  579. } else {
  580. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  581. "%s: IPA callback function is not registered", __func__);
  582. qdf_mem_free(op_msg);
  583. return QDF_STATUS_E_FAILURE;
  584. }
  585. return QDF_STATUS_SUCCESS;
  586. }
  587. /**
  588. * dp_ipa_register_op_cb() - Register OP handler function
  589. * @ppdev - handle to the device instance
  590. * @op_cb: handler function pointer
  591. *
  592. * Return: none
  593. */
  594. QDF_STATUS dp_ipa_register_op_cb(struct cdp_pdev *ppdev,
  595. ipa_uc_op_cb_type op_cb,
  596. void *usr_ctxt)
  597. {
  598. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  599. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  600. return QDF_STATUS_SUCCESS;
  601. pdev->ipa_uc_op_cb = op_cb;
  602. pdev->usr_ctxt = usr_ctxt;
  603. return QDF_STATUS_SUCCESS;
  604. }
  605. /**
  606. * dp_ipa_get_stat() - Get firmware wdi status
  607. * @ppdev - handle to the device instance
  608. *
  609. * Return: none
  610. */
  611. QDF_STATUS dp_ipa_get_stat(struct cdp_pdev *ppdev)
  612. {
  613. /* TBD */
  614. return QDF_STATUS_SUCCESS;
  615. }
  616. /**
  617. * dp_tx_send_ipa_data_frame() - send IPA data frame
  618. * @vdev: vdev
  619. * @skb: skb
  620. *
  621. * Return: skb/ NULL is for success
  622. */
  623. qdf_nbuf_t dp_tx_send_ipa_data_frame(struct cdp_vdev *vdev, qdf_nbuf_t skb)
  624. {
  625. qdf_nbuf_t ret;
  626. /* Terminate the (single-element) list of tx frames */
  627. qdf_nbuf_set_next(skb, NULL);
  628. ret = dp_tx_send(vdev, skb);
  629. if (ret) {
  630. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  631. "%s: Failed to tx", __func__);
  632. return ret;
  633. }
  634. return NULL;
  635. }
  636. /**
  637. * dp_ipa_enable_autonomy() – Enable autonomy RX path
  638. * @pdev - handle to the device instance
  639. *
  640. * Set all RX packet route to IPA REO ring
  641. * Program Destination_Ring_Ctrl_IX_0 REO register to point IPA REO ring
  642. * Return: none
  643. */
  644. QDF_STATUS dp_ipa_enable_autonomy(struct cdp_pdev *ppdev)
  645. {
  646. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  647. struct dp_soc *soc = pdev->soc;
  648. uint32_t ix0;
  649. uint32_t ix2;
  650. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  651. return QDF_STATUS_SUCCESS;
  652. qdf_spin_lock_bh(&soc->remap_lock);
  653. soc->reo_remapped = true;
  654. qdf_spin_unlock_bh(&soc->remap_lock);
  655. /* Call HAL API to remap REO rings to REO2IPA ring */
  656. ix0 = HAL_REO_REMAP_VAL(REO_REMAP_TCL, REO_REMAP_TCL) |
  657. HAL_REO_REMAP_VAL(REO_REMAP_SW1, REO_REMAP_SW4) |
  658. HAL_REO_REMAP_VAL(REO_REMAP_SW2, REO_REMAP_SW4) |
  659. HAL_REO_REMAP_VAL(REO_REMAP_SW3, REO_REMAP_SW4) |
  660. HAL_REO_REMAP_VAL(REO_REMAP_SW4, REO_REMAP_SW4) |
  661. HAL_REO_REMAP_VAL(REO_REMAP_RELEASE, REO_REMAP_RELEASE) |
  662. HAL_REO_REMAP_VAL(REO_REMAP_FW, REO_REMAP_FW) |
  663. HAL_REO_REMAP_VAL(REO_REMAP_UNUSED, REO_REMAP_FW);
  664. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  665. ix2 = ((REO_REMAP_SW4 << 0) | (REO_REMAP_SW4 << 3) |
  666. (REO_REMAP_SW4 << 6) | (REO_REMAP_SW4 << 9) |
  667. (REO_REMAP_SW4 << 12) | (REO_REMAP_SW4 << 15) |
  668. (REO_REMAP_SW4 << 18) | (REO_REMAP_SW4 << 21)) << 8;
  669. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  670. &ix2, &ix2);
  671. }
  672. return QDF_STATUS_SUCCESS;
  673. }
  674. /**
  675. * dp_ipa_disable_autonomy() – Disable autonomy RX path
  676. * @ppdev - handle to the device instance
  677. *
  678. * Disable RX packet routing to IPA REO
  679. * Program Destination_Ring_Ctrl_IX_0 REO register to disable
  680. * Return: none
  681. */
  682. QDF_STATUS dp_ipa_disable_autonomy(struct cdp_pdev *ppdev)
  683. {
  684. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  685. struct dp_soc *soc = pdev->soc;
  686. uint32_t ix0;
  687. uint32_t ix2;
  688. uint32_t ix3;
  689. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  690. return QDF_STATUS_SUCCESS;
  691. /* Call HAL API to remap REO rings to REO2IPA ring */
  692. ix0 = HAL_REO_REMAP_VAL(REO_REMAP_TCL, REO_REMAP_TCL) |
  693. HAL_REO_REMAP_VAL(REO_REMAP_SW1, REO_REMAP_SW1) |
  694. HAL_REO_REMAP_VAL(REO_REMAP_SW2, REO_REMAP_SW2) |
  695. HAL_REO_REMAP_VAL(REO_REMAP_SW3, REO_REMAP_SW3) |
  696. HAL_REO_REMAP_VAL(REO_REMAP_SW4, REO_REMAP_SW2) |
  697. HAL_REO_REMAP_VAL(REO_REMAP_RELEASE, REO_REMAP_RELEASE) |
  698. HAL_REO_REMAP_VAL(REO_REMAP_FW, REO_REMAP_FW) |
  699. HAL_REO_REMAP_VAL(REO_REMAP_UNUSED, REO_REMAP_FW);
  700. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  701. dp_reo_remap_config(soc, &ix2, &ix3);
  702. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  703. &ix2, &ix3);
  704. }
  705. qdf_spin_lock_bh(&soc->remap_lock);
  706. soc->reo_remapped = false;
  707. qdf_spin_unlock_bh(&soc->remap_lock);
  708. return QDF_STATUS_SUCCESS;
  709. }
  710. /* This should be configurable per H/W configuration enable status */
  711. #define L3_HEADER_PADDING 2
  712. #ifdef CONFIG_IPA_WDI_UNIFIED_API
  713. #ifndef QCA_LL_TX_FLOW_CONTROL_V2
  714. static inline void dp_setup_mcc_sys_pipes(
  715. qdf_ipa_sys_connect_params_t *sys_in,
  716. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  717. {
  718. /* Setup MCC sys pipe */
  719. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) =
  720. DP_IPA_MAX_IFACE;
  721. for (int i = 0; i < DP_IPA_MAX_IFACE; i++)
  722. memcpy(&QDF_IPA_WDI_CONN_IN_PARAMS_SYS_IN(pipe_in)[i],
  723. &sys_in[i], sizeof(qdf_ipa_sys_connect_params_t));
  724. }
  725. #else
  726. static inline void dp_setup_mcc_sys_pipes(
  727. qdf_ipa_sys_connect_params_t *sys_in,
  728. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  729. {
  730. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) = 0;
  731. }
  732. #endif
  733. static void dp_ipa_wdi_tx_params(struct dp_soc *soc,
  734. struct dp_ipa_resources *ipa_res,
  735. qdf_ipa_wdi_pipe_setup_info_t *tx,
  736. bool over_gsi)
  737. {
  738. struct tcl_data_cmd *tcl_desc_ptr;
  739. uint8_t *desc_addr;
  740. uint32_t desc_size;
  741. if (over_gsi)
  742. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS;
  743. else
  744. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  745. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  746. qdf_mem_get_dma_addr(soc->osdev,
  747. &ipa_res->tx_comp_ring.mem_info);
  748. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  749. qdf_mem_get_dma_size(soc->osdev,
  750. &ipa_res->tx_comp_ring.mem_info);
  751. /* WBM Tail Pointer Address */
  752. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  753. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  754. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  755. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  756. qdf_mem_get_dma_addr(soc->osdev,
  757. &ipa_res->tx_ring.mem_info);
  758. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  759. qdf_mem_get_dma_size(soc->osdev,
  760. &ipa_res->tx_ring.mem_info);
  761. /* TCL Head Pointer Address */
  762. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  763. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  764. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  765. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  766. ipa_res->tx_num_alloc_buffer;
  767. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  768. /* Preprogram TCL descriptor */
  769. desc_addr =
  770. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  771. desc_size = sizeof(struct tcl_data_cmd);
  772. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  773. tcl_desc_ptr = (struct tcl_data_cmd *)
  774. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  775. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  776. HAL_RX_BUF_RBM_SW2_BM;
  777. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  778. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  779. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  780. }
  781. static void dp_ipa_wdi_rx_params(struct dp_soc *soc,
  782. struct dp_ipa_resources *ipa_res,
  783. qdf_ipa_wdi_pipe_setup_info_t *rx,
  784. bool over_gsi)
  785. {
  786. if (over_gsi)
  787. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  788. IPA_CLIENT_WLAN2_PROD;
  789. else
  790. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  791. IPA_CLIENT_WLAN1_PROD;
  792. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  793. qdf_mem_get_dma_addr(soc->osdev,
  794. &ipa_res->rx_rdy_ring.mem_info);
  795. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  796. qdf_mem_get_dma_size(soc->osdev,
  797. &ipa_res->rx_rdy_ring.mem_info);
  798. /* REO Tail Pointer Address */
  799. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  800. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  801. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(rx) = true;
  802. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  803. qdf_mem_get_dma_addr(soc->osdev,
  804. &ipa_res->rx_refill_ring.mem_info);
  805. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  806. qdf_mem_get_dma_size(soc->osdev,
  807. &ipa_res->rx_refill_ring.mem_info);
  808. /* FW Head Pointer Address */
  809. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  810. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  811. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(rx) = false;
  812. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) =
  813. RX_PKT_TLVS_LEN + L3_HEADER_PADDING;
  814. }
  815. static void
  816. dp_ipa_wdi_tx_smmu_params(struct dp_soc *soc,
  817. struct dp_ipa_resources *ipa_res,
  818. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu,
  819. bool over_gsi)
  820. {
  821. struct tcl_data_cmd *tcl_desc_ptr;
  822. uint8_t *desc_addr;
  823. uint32_t desc_size;
  824. if (over_gsi)
  825. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  826. IPA_CLIENT_WLAN2_CONS;
  827. else
  828. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  829. IPA_CLIENT_WLAN1_CONS;
  830. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  831. &ipa_res->tx_comp_ring.sgtable,
  832. sizeof(sgtable_t));
  833. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  834. qdf_mem_get_dma_size(soc->osdev,
  835. &ipa_res->tx_comp_ring.mem_info);
  836. /* WBM Tail Pointer Address */
  837. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  838. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  839. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  840. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  841. &ipa_res->tx_ring.sgtable,
  842. sizeof(sgtable_t));
  843. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  844. qdf_mem_get_dma_size(soc->osdev,
  845. &ipa_res->tx_ring.mem_info);
  846. /* TCL Head Pointer Address */
  847. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  848. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  849. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  850. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  851. ipa_res->tx_num_alloc_buffer;
  852. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  853. /* Preprogram TCL descriptor */
  854. desc_addr = (uint8_t *)QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(
  855. tx_smmu);
  856. desc_size = sizeof(struct tcl_data_cmd);
  857. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  858. tcl_desc_ptr = (struct tcl_data_cmd *)
  859. (QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(tx_smmu) + 1);
  860. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  861. HAL_RX_BUF_RBM_SW2_BM;
  862. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  863. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  864. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  865. }
  866. static void
  867. dp_ipa_wdi_rx_smmu_params(struct dp_soc *soc,
  868. struct dp_ipa_resources *ipa_res,
  869. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu,
  870. bool over_gsi)
  871. {
  872. if (over_gsi)
  873. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  874. IPA_CLIENT_WLAN2_PROD;
  875. else
  876. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  877. IPA_CLIENT_WLAN1_PROD;
  878. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(rx_smmu),
  879. &ipa_res->rx_rdy_ring.sgtable,
  880. sizeof(sgtable_t));
  881. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(rx_smmu) =
  882. qdf_mem_get_dma_size(soc->osdev,
  883. &ipa_res->rx_rdy_ring.mem_info);
  884. /* REO Tail Pointer Address */
  885. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(rx_smmu) =
  886. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  887. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(rx_smmu) = true;
  888. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(rx_smmu),
  889. &ipa_res->rx_refill_ring.sgtable,
  890. sizeof(sgtable_t));
  891. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(rx_smmu) =
  892. qdf_mem_get_dma_size(soc->osdev,
  893. &ipa_res->rx_refill_ring.mem_info);
  894. /* FW Head Pointer Address */
  895. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(rx_smmu) =
  896. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  897. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(rx_smmu) = false;
  898. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(rx_smmu) =
  899. RX_PKT_TLVS_LEN + L3_HEADER_PADDING;
  900. }
  901. /**
  902. * dp_ipa_setup() - Setup and connect IPA pipes
  903. * @ppdev - handle to the device instance
  904. * @ipa_i2w_cb: IPA to WLAN callback
  905. * @ipa_w2i_cb: WLAN to IPA callback
  906. * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
  907. * @ipa_desc_size: IPA descriptor size
  908. * @ipa_priv: handle to the HTT instance
  909. * @is_rm_enabled: Is IPA RM enabled or not
  910. * @tx_pipe_handle: pointer to Tx pipe handle
  911. * @rx_pipe_handle: pointer to Rx pipe handle
  912. * @is_smmu_enabled: Is SMMU enabled or not
  913. * @sys_in: parameters to setup sys pipe in mcc mode
  914. *
  915. * Return: QDF_STATUS
  916. */
  917. QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
  918. void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
  919. uint32_t ipa_desc_size, void *ipa_priv,
  920. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  921. uint32_t *rx_pipe_handle, bool is_smmu_enabled,
  922. qdf_ipa_sys_connect_params_t *sys_in, bool over_gsi)
  923. {
  924. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  925. struct dp_soc *soc = pdev->soc;
  926. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  927. qdf_ipa_ep_cfg_t *tx_cfg;
  928. qdf_ipa_ep_cfg_t *rx_cfg;
  929. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  930. qdf_ipa_wdi_pipe_setup_info_t *rx = NULL;
  931. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu;
  932. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu;
  933. qdf_ipa_wdi_conn_in_params_t pipe_in;
  934. qdf_ipa_wdi_conn_out_params_t pipe_out;
  935. int ret;
  936. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  937. return QDF_STATUS_SUCCESS;
  938. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  939. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  940. if (is_smmu_enabled)
  941. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = true;
  942. else
  943. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = false;
  944. dp_setup_mcc_sys_pipes(sys_in, &pipe_in);
  945. /* TX PIPE */
  946. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
  947. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_SMMU(&pipe_in);
  948. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  949. } else {
  950. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  951. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(tx);
  952. }
  953. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  954. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  955. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  956. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  957. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  958. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  959. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  960. /**
  961. * Transfer Ring: WBM Ring
  962. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  963. * Event Ring: TCL ring
  964. * Event Ring Doorbell PA: TCL Head Pointer Address
  965. */
  966. if (is_smmu_enabled)
  967. dp_ipa_wdi_tx_smmu_params(soc, ipa_res, tx_smmu, over_gsi);
  968. else
  969. dp_ipa_wdi_tx_params(soc, ipa_res, tx, over_gsi);
  970. /* RX PIPE */
  971. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
  972. rx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_RX_SMMU(&pipe_in);
  973. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(rx_smmu);
  974. } else {
  975. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  976. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(rx);
  977. }
  978. QDF_IPA_EP_CFG_NAT_EN(rx_cfg) = IPA_BYPASS_NAT;
  979. QDF_IPA_EP_CFG_HDR_LEN(rx_cfg) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  980. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(rx_cfg) = 1;
  981. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(rx_cfg) = 0;
  982. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(rx_cfg) = 0;
  983. QDF_IPA_EP_CFG_HDR_OFST_METADATA_VALID(rx_cfg) = 0;
  984. QDF_IPA_EP_CFG_HDR_METADATA_REG_VALID(rx_cfg) = 1;
  985. QDF_IPA_EP_CFG_MODE(rx_cfg) = IPA_BASIC;
  986. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(rx_cfg) = true;
  987. /**
  988. * Transfer Ring: REO Ring
  989. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  990. * Event Ring: FW ring
  991. * Event Ring Doorbell PA: FW Head Pointer Address
  992. */
  993. if (is_smmu_enabled)
  994. dp_ipa_wdi_rx_smmu_params(soc, ipa_res, rx_smmu, over_gsi);
  995. else
  996. dp_ipa_wdi_rx_params(soc, ipa_res, rx, over_gsi);
  997. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  998. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  999. /* Connect WDI IPA PIPEs */
  1000. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  1001. if (ret) {
  1002. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1003. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  1004. __func__, ret);
  1005. return QDF_STATUS_E_FAILURE;
  1006. }
  1007. /* IPA uC Doorbell registers */
  1008. dp_info("Tx DB PA=0x%x, Rx DB PA=0x%x",
  1009. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1010. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1011. ipa_res->tx_comp_doorbell_paddr =
  1012. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  1013. ipa_res->rx_ready_doorbell_paddr =
  1014. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  1015. return QDF_STATUS_SUCCESS;
  1016. }
  1017. /**
  1018. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1019. * @ifname: Interface name
  1020. * @mac_addr: Interface MAC address
  1021. * @prod_client: IPA prod client type
  1022. * @cons_client: IPA cons client type
  1023. * @session_id: Session ID
  1024. * @is_ipv6_enabled: Is IPV6 enabled or not
  1025. *
  1026. * Return: QDF_STATUS
  1027. */
  1028. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1029. qdf_ipa_client_type_t prod_client,
  1030. qdf_ipa_client_type_t cons_client,
  1031. uint8_t session_id, bool is_ipv6_enabled)
  1032. {
  1033. qdf_ipa_wdi_reg_intf_in_params_t in;
  1034. qdf_ipa_wdi_hdr_info_t hdr_info;
  1035. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1036. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1037. int ret = -EINVAL;
  1038. dp_debug("Add Partial hdr: %s, %pM", ifname, mac_addr);
  1039. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1040. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1041. /* IPV4 header */
  1042. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1043. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1044. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1045. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1046. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1047. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1048. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1049. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1050. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1051. QDF_IPA_WDI_REG_INTF_IN_PARAMS_ALT_DST_PIPE(&in) = cons_client;
  1052. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1053. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  1054. htonl(session_id << 16);
  1055. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1056. /* IPV6 header */
  1057. if (is_ipv6_enabled) {
  1058. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1059. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1060. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1061. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1062. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1063. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1064. }
  1065. dp_debug("registering for session_id: %u", session_id);
  1066. ret = qdf_ipa_wdi_reg_intf(&in);
  1067. if (ret) {
  1068. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1069. "%s: ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1070. __func__, ret);
  1071. return QDF_STATUS_E_FAILURE;
  1072. }
  1073. return QDF_STATUS_SUCCESS;
  1074. }
  1075. #else /* CONFIG_IPA_WDI_UNIFIED_API */
  1076. /**
  1077. * dp_ipa_setup() - Setup and connect IPA pipes
  1078. * @ppdev - handle to the device instance
  1079. * @ipa_i2w_cb: IPA to WLAN callback
  1080. * @ipa_w2i_cb: WLAN to IPA callback
  1081. * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
  1082. * @ipa_desc_size: IPA descriptor size
  1083. * @ipa_priv: handle to the HTT instance
  1084. * @is_rm_enabled: Is IPA RM enabled or not
  1085. * @tx_pipe_handle: pointer to Tx pipe handle
  1086. * @rx_pipe_handle: pointer to Rx pipe handle
  1087. *
  1088. * Return: QDF_STATUS
  1089. */
  1090. QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
  1091. void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
  1092. uint32_t ipa_desc_size, void *ipa_priv,
  1093. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1094. uint32_t *rx_pipe_handle)
  1095. {
  1096. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1097. struct dp_soc *soc = pdev->soc;
  1098. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  1099. qdf_ipa_wdi_pipe_setup_info_t *tx;
  1100. qdf_ipa_wdi_pipe_setup_info_t *rx;
  1101. qdf_ipa_wdi_conn_in_params_t pipe_in;
  1102. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1103. struct tcl_data_cmd *tcl_desc_ptr;
  1104. uint8_t *desc_addr;
  1105. uint32_t desc_size;
  1106. int ret;
  1107. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1108. return QDF_STATUS_SUCCESS;
  1109. qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1110. qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1111. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  1112. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  1113. /* TX PIPE */
  1114. /**
  1115. * Transfer Ring: WBM Ring
  1116. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  1117. * Event Ring: TCL ring
  1118. * Event Ring Doorbell PA: TCL Head Pointer Address
  1119. */
  1120. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  1121. QDF_IPA_WDI_SETUP_INFO_NAT_EN(tx) = IPA_BYPASS_NAT;
  1122. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(tx) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1123. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(tx) = 0;
  1124. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(tx) = 0;
  1125. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(tx) = 0;
  1126. QDF_IPA_WDI_SETUP_INFO_MODE(tx) = IPA_BASIC;
  1127. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(tx) = true;
  1128. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  1129. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  1130. ipa_res->tx_comp_ring_base_paddr;
  1131. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  1132. ipa_res->tx_comp_ring_size;
  1133. /* WBM Tail Pointer Address */
  1134. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  1135. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1136. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  1137. ipa_res->tx_ring_base_paddr;
  1138. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) = ipa_res->tx_ring_size;
  1139. /* TCL Head Pointer Address */
  1140. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  1141. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1142. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  1143. ipa_res->tx_num_alloc_buffer;
  1144. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  1145. /* Preprogram TCL descriptor */
  1146. desc_addr =
  1147. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  1148. desc_size = sizeof(struct tcl_data_cmd);
  1149. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  1150. tcl_desc_ptr = (struct tcl_data_cmd *)
  1151. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  1152. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  1153. HAL_RX_BUF_RBM_SW2_BM;
  1154. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  1155. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  1156. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  1157. /* RX PIPE */
  1158. /**
  1159. * Transfer Ring: REO Ring
  1160. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  1161. * Event Ring: FW ring
  1162. * Event Ring Doorbell PA: FW Head Pointer Address
  1163. */
  1164. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  1165. QDF_IPA_WDI_SETUP_INFO_NAT_EN(rx) = IPA_BYPASS_NAT;
  1166. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(rx) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  1167. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(rx) = 0;
  1168. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(rx) = 0;
  1169. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(rx) = 0;
  1170. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_METADATA_VALID(rx) = 0;
  1171. QDF_IPA_WDI_SETUP_INFO_HDR_METADATA_REG_VALID(rx) = 1;
  1172. QDF_IPA_WDI_SETUP_INFO_MODE(rx) = IPA_BASIC;
  1173. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(rx) = true;
  1174. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) = IPA_CLIENT_WLAN1_PROD;
  1175. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  1176. ipa_res->rx_rdy_ring_base_paddr;
  1177. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  1178. ipa_res->rx_rdy_ring_size;
  1179. /* REO Tail Pointer Address */
  1180. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  1181. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1182. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  1183. ipa_res->rx_refill_ring_base_paddr;
  1184. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  1185. ipa_res->rx_refill_ring_size;
  1186. /* FW Head Pointer Address */
  1187. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  1188. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1189. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) = RX_PKT_TLVS_LEN +
  1190. L3_HEADER_PADDING;
  1191. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  1192. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  1193. /* Connect WDI IPA PIPE */
  1194. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  1195. if (ret) {
  1196. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1197. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  1198. __func__, ret);
  1199. return QDF_STATUS_E_FAILURE;
  1200. }
  1201. /* IPA uC Doorbell registers */
  1202. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1203. "%s: Tx DB PA=0x%x, Rx DB PA=0x%x",
  1204. __func__,
  1205. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1206. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1207. ipa_res->tx_comp_doorbell_paddr =
  1208. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  1209. ipa_res->tx_comp_doorbell_vaddr =
  1210. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_VA(&pipe_out);
  1211. ipa_res->rx_ready_doorbell_paddr =
  1212. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  1213. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1214. "%s: Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  1215. __func__,
  1216. "transfer_ring_base_pa",
  1217. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
  1218. "transfer_ring_size",
  1219. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
  1220. "transfer_ring_doorbell_pa",
  1221. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
  1222. "event_ring_base_pa",
  1223. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
  1224. "event_ring_size",
  1225. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
  1226. "event_ring_doorbell_pa",
  1227. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
  1228. "num_pkt_buffers",
  1229. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
  1230. "tx_comp_doorbell_paddr",
  1231. (void *)ipa_res->tx_comp_doorbell_paddr);
  1232. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1233. "%s: Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  1234. __func__,
  1235. "transfer_ring_base_pa",
  1236. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
  1237. "transfer_ring_size",
  1238. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
  1239. "transfer_ring_doorbell_pa",
  1240. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
  1241. "event_ring_base_pa",
  1242. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
  1243. "event_ring_size",
  1244. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
  1245. "event_ring_doorbell_pa",
  1246. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
  1247. "num_pkt_buffers",
  1248. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
  1249. "tx_comp_doorbell_paddr",
  1250. (void *)ipa_res->rx_ready_doorbell_paddr);
  1251. return QDF_STATUS_SUCCESS;
  1252. }
  1253. /**
  1254. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1255. * @ifname: Interface name
  1256. * @mac_addr: Interface MAC address
  1257. * @prod_client: IPA prod client type
  1258. * @cons_client: IPA cons client type
  1259. * @session_id: Session ID
  1260. * @is_ipv6_enabled: Is IPV6 enabled or not
  1261. *
  1262. * Return: QDF_STATUS
  1263. */
  1264. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1265. qdf_ipa_client_type_t prod_client,
  1266. qdf_ipa_client_type_t cons_client,
  1267. uint8_t session_id, bool is_ipv6_enabled)
  1268. {
  1269. qdf_ipa_wdi_reg_intf_in_params_t in;
  1270. qdf_ipa_wdi_hdr_info_t hdr_info;
  1271. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1272. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1273. int ret = -EINVAL;
  1274. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1275. "%s: Add Partial hdr: %s, %pM",
  1276. __func__, ifname, mac_addr);
  1277. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1278. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1279. /* IPV4 header */
  1280. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1281. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1282. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1283. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1284. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1285. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1286. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1287. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1288. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1289. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1290. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  1291. htonl(session_id << 16);
  1292. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1293. /* IPV6 header */
  1294. if (is_ipv6_enabled) {
  1295. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1296. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1297. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1298. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1299. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1300. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1301. }
  1302. ret = qdf_ipa_wdi_reg_intf(&in);
  1303. if (ret) {
  1304. dp_err("ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1305. ret);
  1306. return QDF_STATUS_E_FAILURE;
  1307. }
  1308. return QDF_STATUS_SUCCESS;
  1309. }
  1310. #endif /* CONFIG_IPA_WDI_UNIFIED_API */
  1311. /**
  1312. * dp_ipa_cleanup() - Disconnect IPA pipes
  1313. * @tx_pipe_handle: Tx pipe handle
  1314. * @rx_pipe_handle: Rx pipe handle
  1315. *
  1316. * Return: QDF_STATUS
  1317. */
  1318. QDF_STATUS dp_ipa_cleanup(uint32_t tx_pipe_handle, uint32_t rx_pipe_handle)
  1319. {
  1320. int ret;
  1321. ret = qdf_ipa_wdi_disconn_pipes();
  1322. if (ret) {
  1323. dp_err("ipa_wdi_disconn_pipes: IPA pipe cleanup failed: ret=%d",
  1324. ret);
  1325. return QDF_STATUS_E_FAILURE;
  1326. }
  1327. return QDF_STATUS_SUCCESS;
  1328. }
  1329. /**
  1330. * dp_ipa_cleanup_iface() - Cleanup IPA header and deregister interface
  1331. * @ifname: Interface name
  1332. * @is_ipv6_enabled: Is IPV6 enabled or not
  1333. *
  1334. * Return: QDF_STATUS
  1335. */
  1336. QDF_STATUS dp_ipa_cleanup_iface(char *ifname, bool is_ipv6_enabled)
  1337. {
  1338. int ret;
  1339. ret = qdf_ipa_wdi_dereg_intf(ifname);
  1340. if (ret) {
  1341. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1342. "%s: ipa_wdi_dereg_intf: IPA pipe deregistration failed: ret=%d",
  1343. __func__, ret);
  1344. return QDF_STATUS_E_FAILURE;
  1345. }
  1346. return QDF_STATUS_SUCCESS;
  1347. }
  1348. /**
  1349. * dp_ipa_uc_enable_pipes() - Enable and resume traffic on Tx/Rx pipes
  1350. * @ppdev - handle to the device instance
  1351. *
  1352. * Return: QDF_STATUS
  1353. */
  1354. QDF_STATUS dp_ipa_enable_pipes(struct cdp_pdev *ppdev)
  1355. {
  1356. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1357. struct dp_soc *soc = pdev->soc;
  1358. QDF_STATUS result;
  1359. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, true);
  1360. result = qdf_ipa_wdi_enable_pipes();
  1361. if (result) {
  1362. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1363. "%s: Enable WDI PIPE fail, code %d",
  1364. __func__, result);
  1365. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  1366. return QDF_STATUS_E_FAILURE;
  1367. }
  1368. return QDF_STATUS_SUCCESS;
  1369. }
  1370. /**
  1371. * dp_ipa_uc_disable_pipes() – Suspend traffic and disable Tx/Rx pipes
  1372. * @ppdev - handle to the device instance
  1373. *
  1374. * Return: QDF_STATUS
  1375. */
  1376. QDF_STATUS dp_ipa_disable_pipes(struct cdp_pdev *ppdev)
  1377. {
  1378. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1379. struct dp_soc *soc = pdev->soc;
  1380. QDF_STATUS result;
  1381. result = qdf_ipa_wdi_disable_pipes();
  1382. if (result)
  1383. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1384. "%s: Disable WDI PIPE fail, code %d",
  1385. __func__, result);
  1386. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  1387. return result ? QDF_STATUS_E_FAILURE : QDF_STATUS_SUCCESS;
  1388. }
  1389. /**
  1390. * dp_ipa_set_perf_level() - Set IPA clock bandwidth based on data rates
  1391. * @client: Client type
  1392. * @max_supported_bw_mbps: Maximum bandwidth needed (in Mbps)
  1393. *
  1394. * Return: QDF_STATUS
  1395. */
  1396. QDF_STATUS dp_ipa_set_perf_level(int client, uint32_t max_supported_bw_mbps)
  1397. {
  1398. qdf_ipa_wdi_perf_profile_t profile;
  1399. QDF_STATUS result;
  1400. profile.client = client;
  1401. profile.max_supported_bw_mbps = max_supported_bw_mbps;
  1402. result = qdf_ipa_wdi_set_perf_profile(&profile);
  1403. if (result) {
  1404. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1405. "%s: ipa_wdi_set_perf_profile fail, code %d",
  1406. __func__, result);
  1407. return QDF_STATUS_E_FAILURE;
  1408. }
  1409. return QDF_STATUS_SUCCESS;
  1410. }
  1411. /**
  1412. * dp_ipa_intrabss_send - send IPA RX intra-bss frames
  1413. * @pdev: pdev
  1414. * @vdev: vdev
  1415. * @nbuf: skb
  1416. *
  1417. * Return: nbuf if TX fails and NULL if TX succeeds
  1418. */
  1419. static qdf_nbuf_t dp_ipa_intrabss_send(struct dp_pdev *pdev,
  1420. struct dp_vdev *vdev,
  1421. qdf_nbuf_t nbuf)
  1422. {
  1423. struct dp_peer *vdev_peer;
  1424. uint16_t len;
  1425. vdev_peer = vdev->vap_bss_peer;
  1426. if (qdf_unlikely(!vdev_peer))
  1427. return nbuf;
  1428. qdf_mem_zero(nbuf->cb, sizeof(nbuf->cb));
  1429. len = qdf_nbuf_len(nbuf);
  1430. if (dp_tx_send(dp_vdev_to_cdp_vdev(vdev), nbuf)) {
  1431. DP_STATS_INC_PKT(vdev_peer, rx.intra_bss.fail, 1, len);
  1432. return nbuf;
  1433. }
  1434. DP_STATS_INC_PKT(vdev_peer, rx.intra_bss.pkts, 1, len);
  1435. return NULL;
  1436. }
  1437. bool dp_ipa_rx_intrabss_fwd(struct cdp_vdev *pvdev, qdf_nbuf_t nbuf,
  1438. bool *fwd_success)
  1439. {
  1440. struct dp_vdev *vdev = (struct dp_vdev *)pvdev;
  1441. struct dp_pdev *pdev;
  1442. struct dp_peer *da_peer;
  1443. struct dp_peer *sa_peer;
  1444. qdf_nbuf_t nbuf_copy;
  1445. uint8_t da_is_bcmc;
  1446. struct ethhdr *eh;
  1447. uint8_t local_id;
  1448. *fwd_success = false; /* set default as failure */
  1449. /*
  1450. * WDI 3.0 skb->cb[] info from IPA driver
  1451. * skb->cb[0] = vdev_id
  1452. * skb->cb[1].bit#1 = da_is_bcmc
  1453. */
  1454. da_is_bcmc = ((uint8_t)nbuf->cb[1]) & 0x2;
  1455. if (qdf_unlikely(!vdev))
  1456. return false;
  1457. pdev = vdev->pdev;
  1458. if (qdf_unlikely(!pdev))
  1459. return false;
  1460. /* no fwd for station mode and just pass up to stack */
  1461. if (vdev->opmode == wlan_op_mode_sta)
  1462. return false;
  1463. if (da_is_bcmc) {
  1464. nbuf_copy = qdf_nbuf_copy(nbuf);
  1465. if (!nbuf_copy)
  1466. return false;
  1467. if (dp_ipa_intrabss_send(pdev, vdev, nbuf_copy))
  1468. qdf_nbuf_free(nbuf_copy);
  1469. else
  1470. *fwd_success = true;
  1471. /* return false to pass original pkt up to stack */
  1472. return false;
  1473. }
  1474. eh = (struct ethhdr *)qdf_nbuf_data(nbuf);
  1475. if (!qdf_mem_cmp(eh->h_dest, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE))
  1476. return false;
  1477. da_peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev, eh->h_dest,
  1478. &local_id);
  1479. if (!da_peer)
  1480. return false;
  1481. if (da_peer->vdev != vdev)
  1482. return false;
  1483. sa_peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev, eh->h_source,
  1484. &local_id);
  1485. if (!sa_peer)
  1486. return false;
  1487. if (sa_peer->vdev != vdev)
  1488. return false;
  1489. /*
  1490. * In intra-bss forwarding scenario, skb is allocated by IPA driver.
  1491. * Need to add skb to internal tracking table to avoid nbuf memory
  1492. * leak check for unallocated skb.
  1493. */
  1494. qdf_net_buf_debug_acquire_skb(nbuf, __FILE__, __LINE__);
  1495. if (dp_ipa_intrabss_send(pdev, vdev, nbuf))
  1496. qdf_nbuf_free(nbuf);
  1497. else
  1498. *fwd_success = true;
  1499. return true;
  1500. }
  1501. #ifdef MDM_PLATFORM
  1502. bool dp_ipa_is_mdm_platform(void)
  1503. {
  1504. return true;
  1505. }
  1506. #else
  1507. bool dp_ipa_is_mdm_platform(void)
  1508. {
  1509. return false;
  1510. }
  1511. #endif
  1512. #endif