dp_ipa.c 55 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. struct dp_pdev *pdev;
  60. int i;
  61. for (i = 0; i < soc->pdev_count; i++) {
  62. pdev = soc->pdev_list[i];
  63. if (pdev && pdev->monitor_configured)
  64. return QDF_STATUS_SUCCESS;
  65. }
  66. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx) ||
  67. !qdf_mem_smmu_s1_enabled(soc->osdev))
  68. return QDF_STATUS_SUCCESS;
  69. if (!qdf_atomic_read(&soc->ipa_pipes_enabled))
  70. return QDF_STATUS_SUCCESS;
  71. return __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  72. }
  73. #ifdef RX_DESC_MULTI_PAGE_ALLOC
  74. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  75. struct dp_pdev *pdev,
  76. bool create)
  77. {
  78. struct rx_desc_pool *rx_pool;
  79. uint8_t pdev_id;
  80. uint32_t num_desc, page_id, offset, i;
  81. uint16_t num_desc_per_page;
  82. union dp_rx_desc_list_elem_t *rx_desc_elem;
  83. struct dp_rx_desc *rx_desc;
  84. qdf_nbuf_t nbuf;
  85. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  86. return QDF_STATUS_SUCCESS;
  87. pdev_id = pdev->pdev_id;
  88. rx_pool = &soc->rx_desc_buf[pdev_id];
  89. qdf_spin_lock_bh(&rx_pool->lock);
  90. num_desc = rx_pool->pool_size;
  91. num_desc_per_page = rx_pool->desc_pages.num_element_per_page;
  92. for (i = 0; i < num_desc; i++) {
  93. page_id = i / num_desc_per_page;
  94. offset = i % num_desc_per_page;
  95. if (qdf_unlikely(!(rx_pool->desc_pages.cacheable_pages)))
  96. break;
  97. rx_desc_elem = dp_rx_desc_find(page_id, offset, rx_pool);
  98. rx_desc = &rx_desc_elem->rx_desc;
  99. if ((!(rx_desc->in_use)) || rx_desc->unmapped)
  100. continue;
  101. nbuf = rx_desc->nbuf;
  102. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  103. }
  104. qdf_spin_unlock_bh(&rx_pool->lock);
  105. return QDF_STATUS_SUCCESS;
  106. }
  107. #else
  108. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  109. struct dp_pdev *pdev,
  110. bool create)
  111. {
  112. struct rx_desc_pool *rx_pool;
  113. uint8_t pdev_id;
  114. qdf_nbuf_t nbuf;
  115. int i;
  116. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  117. return QDF_STATUS_SUCCESS;
  118. pdev_id = pdev->pdev_id;
  119. rx_pool = &soc->rx_desc_buf[pdev_id];
  120. qdf_spin_lock_bh(&rx_pool->lock);
  121. for (i = 0; i < rx_pool->pool_size; i++) {
  122. if ((!(rx_pool->array[i].rx_desc.in_use)) ||
  123. rx_pool->array[i].rx_desc.unmapped)
  124. continue;
  125. nbuf = rx_pool->array[i].rx_desc.nbuf;
  126. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, create);
  127. }
  128. qdf_spin_unlock_bh(&rx_pool->lock);
  129. return QDF_STATUS_SUCCESS;
  130. }
  131. #endif /* RX_DESC_MULTI_PAGE_ALLOC */
  132. /**
  133. * dp_tx_ipa_uc_detach - Free autonomy TX resources
  134. * @soc: data path instance
  135. * @pdev: core txrx pdev context
  136. *
  137. * Free allocated TX buffers with WBM SRNG
  138. *
  139. * Return: none
  140. */
  141. static void dp_tx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  142. {
  143. int idx;
  144. qdf_nbuf_t nbuf;
  145. struct dp_ipa_resources *ipa_res;
  146. for (idx = 0; idx < soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt; idx++) {
  147. nbuf = (qdf_nbuf_t)
  148. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx];
  149. if (!nbuf)
  150. continue;
  151. if (qdf_mem_smmu_s1_enabled(soc->osdev))
  152. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, false);
  153. qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
  154. qdf_nbuf_free(nbuf);
  155. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx] =
  156. (void *)NULL;
  157. }
  158. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  159. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  160. ipa_res = &pdev->ipa_resource;
  161. iounmap(ipa_res->tx_comp_doorbell_vaddr);
  162. qdf_mem_free_sgtable(&ipa_res->tx_ring.sgtable);
  163. qdf_mem_free_sgtable(&ipa_res->tx_comp_ring.sgtable);
  164. }
  165. /**
  166. * dp_rx_ipa_uc_detach - free autonomy RX resources
  167. * @soc: data path instance
  168. * @pdev: core txrx pdev context
  169. *
  170. * This function will detach DP RX into main device context
  171. * will free DP Rx resources.
  172. *
  173. * Return: none
  174. */
  175. static void dp_rx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  176. {
  177. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  178. qdf_mem_free_sgtable(&ipa_res->rx_rdy_ring.sgtable);
  179. qdf_mem_free_sgtable(&ipa_res->rx_refill_ring.sgtable);
  180. }
  181. int dp_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  182. {
  183. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  184. return QDF_STATUS_SUCCESS;
  185. /* TX resource detach */
  186. dp_tx_ipa_uc_detach(soc, pdev);
  187. /* RX resource detach */
  188. dp_rx_ipa_uc_detach(soc, pdev);
  189. return QDF_STATUS_SUCCESS; /* success */
  190. }
  191. /**
  192. * dp_tx_ipa_uc_attach - Allocate autonomy TX resources
  193. * @soc: data path instance
  194. * @pdev: Physical device handle
  195. *
  196. * Allocate TX buffer from non-cacheable memory
  197. * Attache allocated TX buffers with WBM SRNG
  198. *
  199. * Return: int
  200. */
  201. static int dp_tx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  202. {
  203. uint32_t tx_buffer_count;
  204. uint32_t ring_base_align = 8;
  205. qdf_dma_addr_t buffer_paddr;
  206. struct hal_srng *wbm_srng = (struct hal_srng *)
  207. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  208. struct hal_srng_params srng_params;
  209. uint32_t paddr_lo;
  210. uint32_t paddr_hi;
  211. void *ring_entry;
  212. int num_entries;
  213. qdf_nbuf_t nbuf;
  214. int retval = QDF_STATUS_SUCCESS;
  215. int max_alloc_count = 0;
  216. /*
  217. * Uncomment when dp_ops_cfg.cfg_attach is implemented
  218. * unsigned int uc_tx_buf_sz =
  219. * dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
  220. */
  221. unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
  222. unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;
  223. hal_get_srng_params(soc->hal_soc, hal_srng_to_hal_ring_handle(wbm_srng),
  224. &srng_params);
  225. num_entries = srng_params.num_entries;
  226. max_alloc_count =
  227. num_entries - DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES;
  228. if (max_alloc_count <= 0) {
  229. dp_err("incorrect value for buffer count %u", max_alloc_count);
  230. return -EINVAL;
  231. }
  232. dp_info("requested %d buffers to be posted to wbm ring",
  233. max_alloc_count);
  234. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned =
  235. qdf_mem_malloc(num_entries *
  236. sizeof(*soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned));
  237. if (!soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned) {
  238. dp_err("IPA WBM Ring Tx buf pool vaddr alloc fail");
  239. return -ENOMEM;
  240. }
  241. hal_srng_access_start_unlocked(soc->hal_soc,
  242. hal_srng_to_hal_ring_handle(wbm_srng));
  243. /*
  244. * Allocate Tx buffers as many as possible.
  245. * Leave DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES empty
  246. * Populate Tx buffers into WBM2IPA ring
  247. * This initial buffer population will simulate H/W as source ring,
  248. * and update HP
  249. */
  250. for (tx_buffer_count = 0;
  251. tx_buffer_count < max_alloc_count - 1; tx_buffer_count++) {
  252. nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
  253. if (!nbuf)
  254. break;
  255. ring_entry = hal_srng_dst_get_next_hp(soc->hal_soc,
  256. hal_srng_to_hal_ring_handle(wbm_srng));
  257. if (!ring_entry) {
  258. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
  259. "%s: Failed to get WBM ring entry",
  260. __func__);
  261. qdf_nbuf_free(nbuf);
  262. break;
  263. }
  264. qdf_nbuf_map_single(soc->osdev, nbuf,
  265. QDF_DMA_BIDIRECTIONAL);
  266. buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);
  267. paddr_lo = ((uint64_t)buffer_paddr & 0x00000000ffffffff);
  268. paddr_hi = ((uint64_t)buffer_paddr & 0x0000001f00000000) >> 32;
  269. HAL_RXDMA_PADDR_LO_SET(ring_entry, paddr_lo);
  270. HAL_RXDMA_PADDR_HI_SET(ring_entry, paddr_hi);
  271. HAL_RXDMA_MANAGER_SET(ring_entry, (IPA_TCL_DATA_RING_IDX +
  272. HAL_WBM_SW0_BM_ID));
  273. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[tx_buffer_count]
  274. = (void *)nbuf;
  275. if (qdf_mem_smmu_s1_enabled(soc->osdev))
  276. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, true);
  277. }
  278. hal_srng_access_end_unlocked(soc->hal_soc,
  279. hal_srng_to_hal_ring_handle(wbm_srng));
  280. soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt = tx_buffer_count;
  281. if (tx_buffer_count) {
  282. dp_info("IPA WDI TX buffer: %d allocated", tx_buffer_count);
  283. } else {
  284. dp_err("No IPA WDI TX buffer allocated!");
  285. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  286. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  287. retval = -ENOMEM;
  288. }
  289. return retval;
  290. }
  291. /**
  292. * dp_rx_ipa_uc_attach - Allocate autonomy RX resources
  293. * @soc: data path instance
  294. * @pdev: core txrx pdev context
  295. *
  296. * This function will attach a DP RX instance into the main
  297. * device (SOC) context.
  298. *
  299. * Return: QDF_STATUS_SUCCESS: success
  300. * QDF_STATUS_E_RESOURCES: Error return
  301. */
  302. static int dp_rx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  303. {
  304. return QDF_STATUS_SUCCESS;
  305. }
  306. int dp_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  307. {
  308. int error;
  309. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  310. return QDF_STATUS_SUCCESS;
  311. /* TX resource attach */
  312. error = dp_tx_ipa_uc_attach(soc, pdev);
  313. if (error) {
  314. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  315. "%s: DP IPA UC TX attach fail code %d",
  316. __func__, error);
  317. return error;
  318. }
  319. /* RX resource attach */
  320. error = dp_rx_ipa_uc_attach(soc, pdev);
  321. if (error) {
  322. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  323. "%s: DP IPA UC RX attach fail code %d",
  324. __func__, error);
  325. dp_tx_ipa_uc_detach(soc, pdev);
  326. return error;
  327. }
  328. return QDF_STATUS_SUCCESS; /* success */
  329. }
  330. /*
  331. * dp_ipa_ring_resource_setup() - setup IPA ring resources
  332. * @soc: data path SoC handle
  333. *
  334. * Return: none
  335. */
  336. int dp_ipa_ring_resource_setup(struct dp_soc *soc,
  337. struct dp_pdev *pdev)
  338. {
  339. struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
  340. struct hal_srng *hal_srng;
  341. struct hal_srng_params srng_params;
  342. qdf_dma_addr_t hp_addr;
  343. unsigned long addr_offset, dev_base_paddr;
  344. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  345. return QDF_STATUS_SUCCESS;
  346. /* IPA TCL_DATA Ring - HAL_SRNG_SW2TCL3 */
  347. hal_srng = (struct hal_srng *)
  348. soc->tcl_data_ring[IPA_TCL_DATA_RING_IDX].hal_srng;
  349. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  350. hal_srng_to_hal_ring_handle(hal_srng),
  351. &srng_params);
  352. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr =
  353. srng_params.ring_base_paddr;
  354. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr =
  355. srng_params.ring_base_vaddr;
  356. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size =
  357. (srng_params.num_entries * srng_params.entry_size) << 2;
  358. /*
  359. * For the register backed memory addresses, use the scn->mem_pa to
  360. * calculate the physical address of the shadow registers
  361. */
  362. dev_base_paddr =
  363. (unsigned long)
  364. ((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
  365. addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
  366. (unsigned long)(hal_soc->dev_base_addr);
  367. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr =
  368. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  369. dp_info("IPA TCL_DATA Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  370. (unsigned int)addr_offset,
  371. (unsigned int)dev_base_paddr,
  372. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr),
  373. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  374. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  375. srng_params.num_entries,
  376. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  377. /* IPA TX COMP Ring - HAL_SRNG_WBM2SW2_RELEASE */
  378. hal_srng = (struct hal_srng *)
  379. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  380. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  381. hal_srng_to_hal_ring_handle(hal_srng),
  382. &srng_params);
  383. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr =
  384. srng_params.ring_base_paddr;
  385. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr =
  386. srng_params.ring_base_vaddr;
  387. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size =
  388. (srng_params.num_entries * srng_params.entry_size) << 2;
  389. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  390. (unsigned long)(hal_soc->dev_base_addr);
  391. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr =
  392. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  393. 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)",
  394. (unsigned int)addr_offset,
  395. (unsigned int)dev_base_paddr,
  396. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr),
  397. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  398. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  399. srng_params.num_entries,
  400. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  401. /* IPA REO_DEST Ring - HAL_SRNG_REO2SW4 */
  402. hal_srng = (struct hal_srng *)
  403. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  404. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  405. hal_srng_to_hal_ring_handle(hal_srng),
  406. &srng_params);
  407. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr =
  408. srng_params.ring_base_paddr;
  409. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr =
  410. srng_params.ring_base_vaddr;
  411. soc->ipa_uc_rx_rsc.ipa_reo_ring_size =
  412. (srng_params.num_entries * srng_params.entry_size) << 2;
  413. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  414. (unsigned long)(hal_soc->dev_base_addr);
  415. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr =
  416. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  417. dp_info("IPA REO_DEST Ring addr_offset=%x, dev_base_paddr=%x, tp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  418. (unsigned int)addr_offset,
  419. (unsigned int)dev_base_paddr,
  420. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr),
  421. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  422. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  423. srng_params.num_entries,
  424. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  425. hal_srng = (struct hal_srng *)
  426. pdev->rx_refill_buf_ring2.hal_srng;
  427. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  428. hal_srng_to_hal_ring_handle(hal_srng),
  429. &srng_params);
  430. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr =
  431. srng_params.ring_base_paddr;
  432. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr =
  433. srng_params.ring_base_vaddr;
  434. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size =
  435. (srng_params.num_entries * srng_params.entry_size) << 2;
  436. hp_addr = hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  437. hal_srng_to_hal_ring_handle(hal_srng));
  438. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr =
  439. qdf_mem_paddr_from_dmaaddr(soc->osdev, hp_addr);
  440. dp_info("IPA REFILL_BUF Ring hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  441. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr),
  442. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  443. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  444. srng_params.num_entries,
  445. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  446. return 0;
  447. }
  448. static QDF_STATUS dp_ipa_get_shared_mem_info(qdf_device_t osdev,
  449. qdf_shared_mem_t *shared_mem,
  450. void *cpu_addr,
  451. qdf_dma_addr_t dma_addr,
  452. uint32_t size)
  453. {
  454. qdf_dma_addr_t paddr;
  455. int ret;
  456. shared_mem->vaddr = cpu_addr;
  457. qdf_mem_set_dma_size(osdev, &shared_mem->mem_info, size);
  458. *qdf_mem_get_dma_addr_ptr(osdev, &shared_mem->mem_info) = dma_addr;
  459. paddr = qdf_mem_paddr_from_dmaaddr(osdev, dma_addr);
  460. qdf_mem_set_dma_pa(osdev, &shared_mem->mem_info, paddr);
  461. ret = qdf_mem_dma_get_sgtable(osdev->dev, &shared_mem->sgtable,
  462. shared_mem->vaddr, dma_addr, size);
  463. if (ret) {
  464. dp_err("Unable to get DMA sgtable");
  465. return QDF_STATUS_E_NOMEM;
  466. }
  467. qdf_dma_get_sgtable_dma_addr(&shared_mem->sgtable);
  468. return QDF_STATUS_SUCCESS;
  469. }
  470. /**
  471. * dp_ipa_uc_get_resource() - Client request resource information
  472. * @ppdev - handle to the device instance
  473. *
  474. * IPA client will request IPA UC related resource information
  475. * Resource information will be distributed to IPA module
  476. * All of the required resources should be pre-allocated
  477. *
  478. * Return: QDF_STATUS
  479. */
  480. QDF_STATUS dp_ipa_get_resource(struct cdp_pdev *ppdev)
  481. {
  482. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  483. struct dp_soc *soc = pdev->soc;
  484. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  485. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  486. return QDF_STATUS_SUCCESS;
  487. ipa_res->tx_num_alloc_buffer =
  488. (uint32_t)soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;
  489. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_ring,
  490. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  491. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  492. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  493. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_comp_ring,
  494. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  495. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  496. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  497. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->rx_rdy_ring,
  498. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  499. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  500. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  501. dp_ipa_get_shared_mem_info(
  502. soc->osdev, &ipa_res->rx_refill_ring,
  503. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  504. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  505. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  506. if (!qdf_mem_get_dma_addr(soc->osdev,
  507. &ipa_res->tx_comp_ring.mem_info) ||
  508. !qdf_mem_get_dma_addr(soc->osdev, &ipa_res->rx_rdy_ring.mem_info))
  509. return QDF_STATUS_E_FAILURE;
  510. return QDF_STATUS_SUCCESS;
  511. }
  512. /**
  513. * dp_ipa_set_doorbell_paddr () - Set doorbell register physical address to SRNG
  514. * @ppdev - handle to the device instance
  515. *
  516. * Set TX_COMP_DOORBELL register physical address to WBM Head_Ptr_MemAddr_LSB
  517. * Set RX_READ_DOORBELL register physical address to REO Head_Ptr_MemAddr_LSB
  518. *
  519. * Return: none
  520. */
  521. QDF_STATUS dp_ipa_set_doorbell_paddr(struct cdp_pdev *ppdev)
  522. {
  523. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  524. struct dp_soc *soc = pdev->soc;
  525. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  526. struct hal_srng *wbm_srng = (struct hal_srng *)
  527. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  528. struct hal_srng *reo_srng = (struct hal_srng *)
  529. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  530. uint32_t tx_comp_doorbell_dmaaddr;
  531. uint32_t rx_ready_doorbell_dmaaddr;
  532. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  533. return QDF_STATUS_SUCCESS;
  534. ipa_res->tx_comp_doorbell_vaddr =
  535. ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
  536. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  537. pld_smmu_map(soc->osdev->dev, ipa_res->tx_comp_doorbell_paddr,
  538. &tx_comp_doorbell_dmaaddr, sizeof(uint32_t));
  539. ipa_res->tx_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  540. pld_smmu_map(soc->osdev->dev, ipa_res->rx_ready_doorbell_paddr,
  541. &rx_ready_doorbell_dmaaddr, sizeof(uint32_t));
  542. ipa_res->rx_ready_doorbell_paddr = rx_ready_doorbell_dmaaddr;
  543. }
  544. hal_srng_dst_set_hp_paddr(wbm_srng, ipa_res->tx_comp_doorbell_paddr);
  545. dp_info("paddr %pK vaddr %pK",
  546. (void *)ipa_res->tx_comp_doorbell_paddr,
  547. (void *)ipa_res->tx_comp_doorbell_vaddr);
  548. hal_srng_dst_init_hp(wbm_srng, ipa_res->tx_comp_doorbell_vaddr);
  549. /*
  550. * For RX, REO module on Napier/Hastings does reordering on incoming
  551. * Ethernet packets and writes one or more descriptors to REO2IPA Rx
  552. * ring.It then updates the ring’s Write/Head ptr and rings a doorbell
  553. * to IPA.
  554. * Set the doorbell addr for the REO ring.
  555. */
  556. hal_srng_dst_set_hp_paddr(reo_srng, ipa_res->rx_ready_doorbell_paddr);
  557. return QDF_STATUS_SUCCESS;
  558. }
  559. /**
  560. * dp_ipa_op_response() - Handle OP command response from firmware
  561. * @ppdev - handle to the device instance
  562. * @op_msg: op response message from firmware
  563. *
  564. * Return: none
  565. */
  566. QDF_STATUS dp_ipa_op_response(struct cdp_pdev *ppdev, uint8_t *op_msg)
  567. {
  568. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  569. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  570. return QDF_STATUS_SUCCESS;
  571. if (pdev->ipa_uc_op_cb) {
  572. pdev->ipa_uc_op_cb(op_msg, pdev->usr_ctxt);
  573. } else {
  574. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  575. "%s: IPA callback function is not registered", __func__);
  576. qdf_mem_free(op_msg);
  577. return QDF_STATUS_E_FAILURE;
  578. }
  579. return QDF_STATUS_SUCCESS;
  580. }
  581. /**
  582. * dp_ipa_register_op_cb() - Register OP handler function
  583. * @ppdev - handle to the device instance
  584. * @op_cb: handler function pointer
  585. *
  586. * Return: none
  587. */
  588. QDF_STATUS dp_ipa_register_op_cb(struct cdp_pdev *ppdev,
  589. ipa_uc_op_cb_type op_cb,
  590. void *usr_ctxt)
  591. {
  592. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  593. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  594. return QDF_STATUS_SUCCESS;
  595. pdev->ipa_uc_op_cb = op_cb;
  596. pdev->usr_ctxt = usr_ctxt;
  597. return QDF_STATUS_SUCCESS;
  598. }
  599. /**
  600. * dp_ipa_get_stat() - Get firmware wdi status
  601. * @ppdev - handle to the device instance
  602. *
  603. * Return: none
  604. */
  605. QDF_STATUS dp_ipa_get_stat(struct cdp_pdev *ppdev)
  606. {
  607. /* TBD */
  608. return QDF_STATUS_SUCCESS;
  609. }
  610. /**
  611. * dp_tx_send_ipa_data_frame() - send IPA data frame
  612. * @vdev: vdev
  613. * @skb: skb
  614. *
  615. * Return: skb/ NULL is for success
  616. */
  617. qdf_nbuf_t dp_tx_send_ipa_data_frame(struct cdp_vdev *vdev, qdf_nbuf_t skb)
  618. {
  619. qdf_nbuf_t ret;
  620. /* Terminate the (single-element) list of tx frames */
  621. qdf_nbuf_set_next(skb, NULL);
  622. ret = dp_tx_send(vdev, skb);
  623. if (ret) {
  624. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  625. "%s: Failed to tx", __func__);
  626. return ret;
  627. }
  628. return NULL;
  629. }
  630. /**
  631. * dp_ipa_enable_autonomy() – Enable autonomy RX path
  632. * @pdev - handle to the device instance
  633. *
  634. * Set all RX packet route to IPA REO ring
  635. * Program Destination_Ring_Ctrl_IX_0 REO register to point IPA REO ring
  636. * Return: none
  637. */
  638. QDF_STATUS dp_ipa_enable_autonomy(struct cdp_pdev *ppdev)
  639. {
  640. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  641. struct dp_soc *soc = pdev->soc;
  642. uint32_t ix0;
  643. uint32_t ix2;
  644. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  645. return QDF_STATUS_SUCCESS;
  646. /* Call HAL API to remap REO rings to REO2IPA ring */
  647. ix0 = HAL_REO_REMAP_IX0(REO_REMAP_TCL, 0) |
  648. HAL_REO_REMAP_IX0(REO_REMAP_SW4, 1) |
  649. HAL_REO_REMAP_IX0(REO_REMAP_SW4, 2) |
  650. HAL_REO_REMAP_IX0(REO_REMAP_SW4, 3) |
  651. HAL_REO_REMAP_IX0(REO_REMAP_SW4, 4) |
  652. HAL_REO_REMAP_IX0(REO_REMAP_RELEASE, 5) |
  653. HAL_REO_REMAP_IX0(REO_REMAP_FW, 6) |
  654. HAL_REO_REMAP_IX0(REO_REMAP_FW, 7);
  655. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  656. ix2 = HAL_REO_REMAP_IX2(REO_REMAP_SW4, 16) |
  657. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 17) |
  658. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 18) |
  659. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 19) |
  660. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 20) |
  661. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 21) |
  662. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 22) |
  663. HAL_REO_REMAP_IX2(REO_REMAP_SW4, 23);
  664. }
  665. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  666. &ix2, &ix2);
  667. return QDF_STATUS_SUCCESS;
  668. }
  669. /**
  670. * dp_ipa_disable_autonomy() – Disable autonomy RX path
  671. * @ppdev - handle to the device instance
  672. *
  673. * Disable RX packet routing to IPA REO
  674. * Program Destination_Ring_Ctrl_IX_0 REO register to disable
  675. * Return: none
  676. */
  677. QDF_STATUS dp_ipa_disable_autonomy(struct cdp_pdev *ppdev)
  678. {
  679. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  680. struct dp_soc *soc = pdev->soc;
  681. uint32_t ix0;
  682. uint32_t ix2;
  683. uint32_t ix3;
  684. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  685. return QDF_STATUS_SUCCESS;
  686. /* Call HAL API to remap REO rings to REO2IPA ring */
  687. ix0 = HAL_REO_REMAP_IX0(REO_REMAP_TCL, 0) |
  688. HAL_REO_REMAP_IX0(REO_REMAP_SW1, 1) |
  689. HAL_REO_REMAP_IX0(REO_REMAP_SW2, 2) |
  690. HAL_REO_REMAP_IX0(REO_REMAP_SW3, 3) |
  691. HAL_REO_REMAP_IX0(REO_REMAP_SW2, 4) |
  692. HAL_REO_REMAP_IX0(REO_REMAP_RELEASE, 5) |
  693. HAL_REO_REMAP_IX0(REO_REMAP_FW, 6) |
  694. HAL_REO_REMAP_IX0(REO_REMAP_FW, 7);
  695. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  696. dp_reo_remap_config(soc, &ix2, &ix3);
  697. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  698. &ix2, &ix3);
  699. }
  700. return QDF_STATUS_SUCCESS;
  701. }
  702. /* This should be configurable per H/W configuration enable status */
  703. #define L3_HEADER_PADDING 2
  704. #ifdef CONFIG_IPA_WDI_UNIFIED_API
  705. #ifndef QCA_LL_TX_FLOW_CONTROL_V2
  706. static inline void dp_setup_mcc_sys_pipes(
  707. qdf_ipa_sys_connect_params_t *sys_in,
  708. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  709. {
  710. /* Setup MCC sys pipe */
  711. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) =
  712. DP_IPA_MAX_IFACE;
  713. for (int i = 0; i < DP_IPA_MAX_IFACE; i++)
  714. memcpy(&QDF_IPA_WDI_CONN_IN_PARAMS_SYS_IN(pipe_in)[i],
  715. &sys_in[i], sizeof(qdf_ipa_sys_connect_params_t));
  716. }
  717. #else
  718. static inline void dp_setup_mcc_sys_pipes(
  719. qdf_ipa_sys_connect_params_t *sys_in,
  720. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  721. {
  722. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) = 0;
  723. }
  724. #endif
  725. static void dp_ipa_wdi_tx_params(struct dp_soc *soc,
  726. struct dp_ipa_resources *ipa_res,
  727. qdf_ipa_wdi_pipe_setup_info_t *tx,
  728. bool over_gsi)
  729. {
  730. struct tcl_data_cmd *tcl_desc_ptr;
  731. uint8_t *desc_addr;
  732. uint32_t desc_size;
  733. if (over_gsi)
  734. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS;
  735. else
  736. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  737. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  738. qdf_mem_get_dma_addr(soc->osdev,
  739. &ipa_res->tx_comp_ring.mem_info);
  740. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  741. qdf_mem_get_dma_size(soc->osdev,
  742. &ipa_res->tx_comp_ring.mem_info);
  743. /* WBM Tail Pointer Address */
  744. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  745. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  746. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  747. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  748. qdf_mem_get_dma_addr(soc->osdev,
  749. &ipa_res->tx_ring.mem_info);
  750. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  751. qdf_mem_get_dma_size(soc->osdev,
  752. &ipa_res->tx_ring.mem_info);
  753. /* TCL Head Pointer Address */
  754. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  755. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  756. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  757. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  758. ipa_res->tx_num_alloc_buffer;
  759. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  760. /* Preprogram TCL descriptor */
  761. desc_addr =
  762. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  763. desc_size = sizeof(struct tcl_data_cmd);
  764. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  765. tcl_desc_ptr = (struct tcl_data_cmd *)
  766. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  767. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  768. HAL_RX_BUF_RBM_SW2_BM;
  769. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  770. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  771. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  772. }
  773. static void dp_ipa_wdi_rx_params(struct dp_soc *soc,
  774. struct dp_ipa_resources *ipa_res,
  775. qdf_ipa_wdi_pipe_setup_info_t *rx,
  776. bool over_gsi)
  777. {
  778. if (over_gsi)
  779. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  780. IPA_CLIENT_WLAN2_PROD;
  781. else
  782. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  783. IPA_CLIENT_WLAN1_PROD;
  784. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  785. qdf_mem_get_dma_addr(soc->osdev,
  786. &ipa_res->rx_rdy_ring.mem_info);
  787. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  788. qdf_mem_get_dma_size(soc->osdev,
  789. &ipa_res->rx_rdy_ring.mem_info);
  790. /* REO Tail Pointer Address */
  791. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  792. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  793. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(rx) = true;
  794. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  795. qdf_mem_get_dma_addr(soc->osdev,
  796. &ipa_res->rx_refill_ring.mem_info);
  797. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  798. qdf_mem_get_dma_size(soc->osdev,
  799. &ipa_res->rx_refill_ring.mem_info);
  800. /* FW Head Pointer Address */
  801. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  802. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  803. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(rx) = false;
  804. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) =
  805. RX_PKT_TLVS_LEN + L3_HEADER_PADDING;
  806. }
  807. static void
  808. dp_ipa_wdi_tx_smmu_params(struct dp_soc *soc,
  809. struct dp_ipa_resources *ipa_res,
  810. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu,
  811. bool over_gsi)
  812. {
  813. struct tcl_data_cmd *tcl_desc_ptr;
  814. uint8_t *desc_addr;
  815. uint32_t desc_size;
  816. if (over_gsi)
  817. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  818. IPA_CLIENT_WLAN2_CONS;
  819. else
  820. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  821. IPA_CLIENT_WLAN1_CONS;
  822. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  823. &ipa_res->tx_comp_ring.sgtable,
  824. sizeof(sgtable_t));
  825. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  826. qdf_mem_get_dma_size(soc->osdev,
  827. &ipa_res->tx_comp_ring.mem_info);
  828. /* WBM Tail Pointer Address */
  829. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  830. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  831. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  832. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  833. &ipa_res->tx_ring.sgtable,
  834. sizeof(sgtable_t));
  835. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  836. qdf_mem_get_dma_size(soc->osdev,
  837. &ipa_res->tx_ring.mem_info);
  838. /* TCL Head Pointer Address */
  839. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  840. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  841. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  842. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  843. ipa_res->tx_num_alloc_buffer;
  844. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  845. /* Preprogram TCL descriptor */
  846. desc_addr = (uint8_t *)QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(
  847. tx_smmu);
  848. desc_size = sizeof(struct tcl_data_cmd);
  849. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  850. tcl_desc_ptr = (struct tcl_data_cmd *)
  851. (QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(tx_smmu) + 1);
  852. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  853. HAL_RX_BUF_RBM_SW2_BM;
  854. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  855. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  856. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  857. }
  858. static void
  859. dp_ipa_wdi_rx_smmu_params(struct dp_soc *soc,
  860. struct dp_ipa_resources *ipa_res,
  861. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu,
  862. bool over_gsi)
  863. {
  864. if (over_gsi)
  865. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  866. IPA_CLIENT_WLAN2_PROD;
  867. else
  868. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  869. IPA_CLIENT_WLAN1_PROD;
  870. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(rx_smmu),
  871. &ipa_res->rx_rdy_ring.sgtable,
  872. sizeof(sgtable_t));
  873. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(rx_smmu) =
  874. qdf_mem_get_dma_size(soc->osdev,
  875. &ipa_res->rx_rdy_ring.mem_info);
  876. /* REO Tail Pointer Address */
  877. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(rx_smmu) =
  878. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  879. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(rx_smmu) = true;
  880. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(rx_smmu),
  881. &ipa_res->rx_refill_ring.sgtable,
  882. sizeof(sgtable_t));
  883. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(rx_smmu) =
  884. qdf_mem_get_dma_size(soc->osdev,
  885. &ipa_res->rx_refill_ring.mem_info);
  886. /* FW Head Pointer Address */
  887. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(rx_smmu) =
  888. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  889. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(rx_smmu) = false;
  890. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(rx_smmu) =
  891. RX_PKT_TLVS_LEN + L3_HEADER_PADDING;
  892. }
  893. /**
  894. * dp_ipa_setup() - Setup and connect IPA pipes
  895. * @ppdev - handle to the device instance
  896. * @ipa_i2w_cb: IPA to WLAN callback
  897. * @ipa_w2i_cb: WLAN to IPA callback
  898. * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
  899. * @ipa_desc_size: IPA descriptor size
  900. * @ipa_priv: handle to the HTT instance
  901. * @is_rm_enabled: Is IPA RM enabled or not
  902. * @tx_pipe_handle: pointer to Tx pipe handle
  903. * @rx_pipe_handle: pointer to Rx pipe handle
  904. * @is_smmu_enabled: Is SMMU enabled or not
  905. * @sys_in: parameters to setup sys pipe in mcc mode
  906. *
  907. * Return: QDF_STATUS
  908. */
  909. QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
  910. void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
  911. uint32_t ipa_desc_size, void *ipa_priv,
  912. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  913. uint32_t *rx_pipe_handle, bool is_smmu_enabled,
  914. qdf_ipa_sys_connect_params_t *sys_in, bool over_gsi)
  915. {
  916. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  917. struct dp_soc *soc = pdev->soc;
  918. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  919. qdf_ipa_ep_cfg_t *tx_cfg;
  920. qdf_ipa_ep_cfg_t *rx_cfg;
  921. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  922. qdf_ipa_wdi_pipe_setup_info_t *rx = NULL;
  923. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu;
  924. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu;
  925. qdf_ipa_wdi_conn_in_params_t pipe_in;
  926. qdf_ipa_wdi_conn_out_params_t pipe_out;
  927. int ret;
  928. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  929. return QDF_STATUS_SUCCESS;
  930. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  931. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  932. if (is_smmu_enabled)
  933. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = true;
  934. else
  935. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = false;
  936. dp_setup_mcc_sys_pipes(sys_in, &pipe_in);
  937. /* TX PIPE */
  938. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
  939. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_SMMU(&pipe_in);
  940. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  941. } else {
  942. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  943. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(tx);
  944. }
  945. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  946. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  947. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  948. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  949. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  950. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  951. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  952. /**
  953. * Transfer Ring: WBM Ring
  954. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  955. * Event Ring: TCL ring
  956. * Event Ring Doorbell PA: TCL Head Pointer Address
  957. */
  958. if (is_smmu_enabled)
  959. dp_ipa_wdi_tx_smmu_params(soc, ipa_res, tx_smmu, over_gsi);
  960. else
  961. dp_ipa_wdi_tx_params(soc, ipa_res, tx, over_gsi);
  962. /* RX PIPE */
  963. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
  964. rx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_RX_SMMU(&pipe_in);
  965. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(rx_smmu);
  966. } else {
  967. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  968. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(rx);
  969. }
  970. QDF_IPA_EP_CFG_NAT_EN(rx_cfg) = IPA_BYPASS_NAT;
  971. QDF_IPA_EP_CFG_HDR_LEN(rx_cfg) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  972. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(rx_cfg) = 1;
  973. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(rx_cfg) = 0;
  974. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(rx_cfg) = 0;
  975. QDF_IPA_EP_CFG_HDR_OFST_METADATA_VALID(rx_cfg) = 0;
  976. QDF_IPA_EP_CFG_HDR_METADATA_REG_VALID(rx_cfg) = 1;
  977. QDF_IPA_EP_CFG_MODE(rx_cfg) = IPA_BASIC;
  978. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(rx_cfg) = true;
  979. /**
  980. * Transfer Ring: REO Ring
  981. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  982. * Event Ring: FW ring
  983. * Event Ring Doorbell PA: FW Head Pointer Address
  984. */
  985. if (is_smmu_enabled)
  986. dp_ipa_wdi_rx_smmu_params(soc, ipa_res, rx_smmu, over_gsi);
  987. else
  988. dp_ipa_wdi_rx_params(soc, ipa_res, rx, over_gsi);
  989. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  990. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  991. /* Connect WDI IPA PIPEs */
  992. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  993. if (ret) {
  994. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  995. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  996. __func__, ret);
  997. return QDF_STATUS_E_FAILURE;
  998. }
  999. /* IPA uC Doorbell registers */
  1000. dp_info("Tx DB PA=0x%x, Rx DB PA=0x%x",
  1001. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1002. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1003. ipa_res->tx_comp_doorbell_paddr =
  1004. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  1005. ipa_res->rx_ready_doorbell_paddr =
  1006. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  1007. return QDF_STATUS_SUCCESS;
  1008. }
  1009. /**
  1010. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1011. * @ifname: Interface name
  1012. * @mac_addr: Interface MAC address
  1013. * @prod_client: IPA prod client type
  1014. * @cons_client: IPA cons client type
  1015. * @session_id: Session ID
  1016. * @is_ipv6_enabled: Is IPV6 enabled or not
  1017. *
  1018. * Return: QDF_STATUS
  1019. */
  1020. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1021. qdf_ipa_client_type_t prod_client,
  1022. qdf_ipa_client_type_t cons_client,
  1023. uint8_t session_id, bool is_ipv6_enabled)
  1024. {
  1025. qdf_ipa_wdi_reg_intf_in_params_t in;
  1026. qdf_ipa_wdi_hdr_info_t hdr_info;
  1027. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1028. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1029. int ret = -EINVAL;
  1030. dp_debug("Add Partial hdr: %s, %pM", ifname, mac_addr);
  1031. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1032. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1033. /* IPV4 header */
  1034. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1035. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1036. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1037. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1038. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1039. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1040. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1041. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1042. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1043. QDF_IPA_WDI_REG_INTF_IN_PARAMS_ALT_DST_PIPE(&in) = cons_client;
  1044. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1045. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  1046. htonl(session_id << 16);
  1047. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1048. /* IPV6 header */
  1049. if (is_ipv6_enabled) {
  1050. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1051. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1052. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1053. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1054. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1055. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1056. }
  1057. dp_debug("registering for session_id: %u", session_id);
  1058. ret = qdf_ipa_wdi_reg_intf(&in);
  1059. if (ret) {
  1060. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1061. "%s: ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1062. __func__, ret);
  1063. return QDF_STATUS_E_FAILURE;
  1064. }
  1065. return QDF_STATUS_SUCCESS;
  1066. }
  1067. #else /* CONFIG_IPA_WDI_UNIFIED_API */
  1068. /**
  1069. * dp_ipa_setup() - Setup and connect IPA pipes
  1070. * @ppdev - handle to the device instance
  1071. * @ipa_i2w_cb: IPA to WLAN callback
  1072. * @ipa_w2i_cb: WLAN to IPA callback
  1073. * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
  1074. * @ipa_desc_size: IPA descriptor size
  1075. * @ipa_priv: handle to the HTT instance
  1076. * @is_rm_enabled: Is IPA RM enabled or not
  1077. * @tx_pipe_handle: pointer to Tx pipe handle
  1078. * @rx_pipe_handle: pointer to Rx pipe handle
  1079. *
  1080. * Return: QDF_STATUS
  1081. */
  1082. QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
  1083. void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
  1084. uint32_t ipa_desc_size, void *ipa_priv,
  1085. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1086. uint32_t *rx_pipe_handle)
  1087. {
  1088. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1089. struct dp_soc *soc = pdev->soc;
  1090. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  1091. qdf_ipa_wdi_pipe_setup_info_t *tx;
  1092. qdf_ipa_wdi_pipe_setup_info_t *rx;
  1093. qdf_ipa_wdi_conn_in_params_t pipe_in;
  1094. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1095. struct tcl_data_cmd *tcl_desc_ptr;
  1096. uint8_t *desc_addr;
  1097. uint32_t desc_size;
  1098. int ret;
  1099. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1100. return QDF_STATUS_SUCCESS;
  1101. qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1102. qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1103. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  1104. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  1105. /* TX PIPE */
  1106. /**
  1107. * Transfer Ring: WBM Ring
  1108. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  1109. * Event Ring: TCL ring
  1110. * Event Ring Doorbell PA: TCL Head Pointer Address
  1111. */
  1112. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  1113. QDF_IPA_WDI_SETUP_INFO_NAT_EN(tx) = IPA_BYPASS_NAT;
  1114. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(tx) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1115. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(tx) = 0;
  1116. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(tx) = 0;
  1117. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(tx) = 0;
  1118. QDF_IPA_WDI_SETUP_INFO_MODE(tx) = IPA_BASIC;
  1119. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(tx) = true;
  1120. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  1121. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  1122. ipa_res->tx_comp_ring_base_paddr;
  1123. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  1124. ipa_res->tx_comp_ring_size;
  1125. /* WBM Tail Pointer Address */
  1126. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  1127. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1128. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  1129. ipa_res->tx_ring_base_paddr;
  1130. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) = ipa_res->tx_ring_size;
  1131. /* TCL Head Pointer Address */
  1132. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  1133. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1134. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  1135. ipa_res->tx_num_alloc_buffer;
  1136. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  1137. /* Preprogram TCL descriptor */
  1138. desc_addr =
  1139. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  1140. desc_size = sizeof(struct tcl_data_cmd);
  1141. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  1142. tcl_desc_ptr = (struct tcl_data_cmd *)
  1143. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  1144. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  1145. HAL_RX_BUF_RBM_SW2_BM;
  1146. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  1147. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  1148. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  1149. /* RX PIPE */
  1150. /**
  1151. * Transfer Ring: REO Ring
  1152. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  1153. * Event Ring: FW ring
  1154. * Event Ring Doorbell PA: FW Head Pointer Address
  1155. */
  1156. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  1157. QDF_IPA_WDI_SETUP_INFO_NAT_EN(rx) = IPA_BYPASS_NAT;
  1158. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(rx) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  1159. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(rx) = 0;
  1160. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(rx) = 0;
  1161. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(rx) = 0;
  1162. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_METADATA_VALID(rx) = 0;
  1163. QDF_IPA_WDI_SETUP_INFO_HDR_METADATA_REG_VALID(rx) = 1;
  1164. QDF_IPA_WDI_SETUP_INFO_MODE(rx) = IPA_BASIC;
  1165. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(rx) = true;
  1166. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) = IPA_CLIENT_WLAN1_PROD;
  1167. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  1168. ipa_res->rx_rdy_ring_base_paddr;
  1169. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  1170. ipa_res->rx_rdy_ring_size;
  1171. /* REO Tail Pointer Address */
  1172. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  1173. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1174. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  1175. ipa_res->rx_refill_ring_base_paddr;
  1176. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  1177. ipa_res->rx_refill_ring_size;
  1178. /* FW Head Pointer Address */
  1179. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  1180. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1181. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) = RX_PKT_TLVS_LEN +
  1182. L3_HEADER_PADDING;
  1183. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  1184. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  1185. /* Connect WDI IPA PIPE */
  1186. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  1187. if (ret) {
  1188. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1189. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  1190. __func__, ret);
  1191. return QDF_STATUS_E_FAILURE;
  1192. }
  1193. /* IPA uC Doorbell registers */
  1194. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1195. "%s: Tx DB PA=0x%x, Rx DB PA=0x%x",
  1196. __func__,
  1197. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1198. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1199. ipa_res->tx_comp_doorbell_paddr =
  1200. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  1201. ipa_res->tx_comp_doorbell_vaddr =
  1202. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_VA(&pipe_out);
  1203. ipa_res->rx_ready_doorbell_paddr =
  1204. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  1205. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1206. "%s: Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  1207. __func__,
  1208. "transfer_ring_base_pa",
  1209. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
  1210. "transfer_ring_size",
  1211. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
  1212. "transfer_ring_doorbell_pa",
  1213. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
  1214. "event_ring_base_pa",
  1215. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
  1216. "event_ring_size",
  1217. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
  1218. "event_ring_doorbell_pa",
  1219. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
  1220. "num_pkt_buffers",
  1221. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
  1222. "tx_comp_doorbell_paddr",
  1223. (void *)ipa_res->tx_comp_doorbell_paddr);
  1224. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1225. "%s: Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  1226. __func__,
  1227. "transfer_ring_base_pa",
  1228. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
  1229. "transfer_ring_size",
  1230. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
  1231. "transfer_ring_doorbell_pa",
  1232. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
  1233. "event_ring_base_pa",
  1234. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
  1235. "event_ring_size",
  1236. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
  1237. "event_ring_doorbell_pa",
  1238. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
  1239. "num_pkt_buffers",
  1240. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
  1241. "tx_comp_doorbell_paddr",
  1242. (void *)ipa_res->rx_ready_doorbell_paddr);
  1243. return QDF_STATUS_SUCCESS;
  1244. }
  1245. /**
  1246. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1247. * @ifname: Interface name
  1248. * @mac_addr: Interface MAC address
  1249. * @prod_client: IPA prod client type
  1250. * @cons_client: IPA cons client type
  1251. * @session_id: Session ID
  1252. * @is_ipv6_enabled: Is IPV6 enabled or not
  1253. *
  1254. * Return: QDF_STATUS
  1255. */
  1256. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1257. qdf_ipa_client_type_t prod_client,
  1258. qdf_ipa_client_type_t cons_client,
  1259. uint8_t session_id, bool is_ipv6_enabled)
  1260. {
  1261. qdf_ipa_wdi_reg_intf_in_params_t in;
  1262. qdf_ipa_wdi_hdr_info_t hdr_info;
  1263. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1264. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1265. int ret = -EINVAL;
  1266. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  1267. "%s: Add Partial hdr: %s, %pM",
  1268. __func__, ifname, mac_addr);
  1269. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1270. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1271. /* IPV4 header */
  1272. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1273. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1274. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1275. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1276. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1277. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1278. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1279. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1280. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1281. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1282. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  1283. htonl(session_id << 16);
  1284. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1285. /* IPV6 header */
  1286. if (is_ipv6_enabled) {
  1287. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1288. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1289. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1290. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1291. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1292. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1293. }
  1294. ret = qdf_ipa_wdi_reg_intf(&in);
  1295. if (ret) {
  1296. dp_err("ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1297. ret);
  1298. return QDF_STATUS_E_FAILURE;
  1299. }
  1300. return QDF_STATUS_SUCCESS;
  1301. }
  1302. #endif /* CONFIG_IPA_WDI_UNIFIED_API */
  1303. /**
  1304. * dp_ipa_cleanup() - Disconnect IPA pipes
  1305. * @tx_pipe_handle: Tx pipe handle
  1306. * @rx_pipe_handle: Rx pipe handle
  1307. *
  1308. * Return: QDF_STATUS
  1309. */
  1310. QDF_STATUS dp_ipa_cleanup(uint32_t tx_pipe_handle, uint32_t rx_pipe_handle)
  1311. {
  1312. int ret;
  1313. ret = qdf_ipa_wdi_disconn_pipes();
  1314. if (ret) {
  1315. dp_err("ipa_wdi_disconn_pipes: IPA pipe cleanup failed: ret=%d",
  1316. ret);
  1317. return QDF_STATUS_E_FAILURE;
  1318. }
  1319. return QDF_STATUS_SUCCESS;
  1320. }
  1321. /**
  1322. * dp_ipa_cleanup_iface() - Cleanup IPA header and deregister interface
  1323. * @ifname: Interface name
  1324. * @is_ipv6_enabled: Is IPV6 enabled or not
  1325. *
  1326. * Return: QDF_STATUS
  1327. */
  1328. QDF_STATUS dp_ipa_cleanup_iface(char *ifname, bool is_ipv6_enabled)
  1329. {
  1330. int ret;
  1331. ret = qdf_ipa_wdi_dereg_intf(ifname);
  1332. if (ret) {
  1333. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1334. "%s: ipa_wdi_dereg_intf: IPA pipe deregistration failed: ret=%d",
  1335. __func__, ret);
  1336. return QDF_STATUS_E_FAILURE;
  1337. }
  1338. return QDF_STATUS_SUCCESS;
  1339. }
  1340. /**
  1341. * dp_ipa_uc_enable_pipes() - Enable and resume traffic on Tx/Rx pipes
  1342. * @ppdev - handle to the device instance
  1343. *
  1344. * Return: QDF_STATUS
  1345. */
  1346. QDF_STATUS dp_ipa_enable_pipes(struct cdp_pdev *ppdev)
  1347. {
  1348. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1349. struct dp_soc *soc = pdev->soc;
  1350. QDF_STATUS result;
  1351. qdf_atomic_set(&soc->ipa_pipes_enabled, 1);
  1352. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, true);
  1353. result = qdf_ipa_wdi_enable_pipes();
  1354. if (result) {
  1355. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1356. "%s: Enable WDI PIPE fail, code %d",
  1357. __func__, result);
  1358. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  1359. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  1360. return QDF_STATUS_E_FAILURE;
  1361. }
  1362. return QDF_STATUS_SUCCESS;
  1363. }
  1364. /**
  1365. * dp_ipa_uc_disable_pipes() – Suspend traffic and disable Tx/Rx pipes
  1366. * @ppdev - handle to the device instance
  1367. *
  1368. * Return: QDF_STATUS
  1369. */
  1370. QDF_STATUS dp_ipa_disable_pipes(struct cdp_pdev *ppdev)
  1371. {
  1372. struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
  1373. struct dp_soc *soc = pdev->soc;
  1374. QDF_STATUS result;
  1375. result = qdf_ipa_wdi_disable_pipes();
  1376. if (result)
  1377. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1378. "%s: Disable WDI PIPE fail, code %d",
  1379. __func__, result);
  1380. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  1381. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  1382. return result ? QDF_STATUS_E_FAILURE : QDF_STATUS_SUCCESS;
  1383. }
  1384. /**
  1385. * dp_ipa_set_perf_level() - Set IPA clock bandwidth based on data rates
  1386. * @client: Client type
  1387. * @max_supported_bw_mbps: Maximum bandwidth needed (in Mbps)
  1388. *
  1389. * Return: QDF_STATUS
  1390. */
  1391. QDF_STATUS dp_ipa_set_perf_level(int client, uint32_t max_supported_bw_mbps)
  1392. {
  1393. qdf_ipa_wdi_perf_profile_t profile;
  1394. QDF_STATUS result;
  1395. profile.client = client;
  1396. profile.max_supported_bw_mbps = max_supported_bw_mbps;
  1397. result = qdf_ipa_wdi_set_perf_profile(&profile);
  1398. if (result) {
  1399. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1400. "%s: ipa_wdi_set_perf_profile fail, code %d",
  1401. __func__, result);
  1402. return QDF_STATUS_E_FAILURE;
  1403. }
  1404. return QDF_STATUS_SUCCESS;
  1405. }
  1406. /**
  1407. * dp_ipa_intrabss_send - send IPA RX intra-bss frames
  1408. * @pdev: pdev
  1409. * @vdev: vdev
  1410. * @nbuf: skb
  1411. *
  1412. * Return: nbuf if TX fails and NULL if TX succeeds
  1413. */
  1414. static qdf_nbuf_t dp_ipa_intrabss_send(struct dp_pdev *pdev,
  1415. struct dp_vdev *vdev,
  1416. qdf_nbuf_t nbuf)
  1417. {
  1418. struct dp_peer *vdev_peer;
  1419. uint16_t len;
  1420. vdev_peer = vdev->vap_bss_peer;
  1421. if (qdf_unlikely(!vdev_peer))
  1422. return nbuf;
  1423. qdf_mem_zero(nbuf->cb, sizeof(nbuf->cb));
  1424. len = qdf_nbuf_len(nbuf);
  1425. if (dp_tx_send(dp_vdev_to_cdp_vdev(vdev), nbuf)) {
  1426. DP_STATS_INC_PKT(vdev_peer, rx.intra_bss.fail, 1, len);
  1427. return nbuf;
  1428. }
  1429. DP_STATS_INC_PKT(vdev_peer, rx.intra_bss.pkts, 1, len);
  1430. return NULL;
  1431. }
  1432. bool dp_ipa_rx_intrabss_fwd(struct cdp_vdev *pvdev, qdf_nbuf_t nbuf,
  1433. bool *fwd_success)
  1434. {
  1435. struct dp_vdev *vdev = (struct dp_vdev *)pvdev;
  1436. struct dp_pdev *pdev;
  1437. struct dp_peer *da_peer;
  1438. struct dp_peer *sa_peer;
  1439. qdf_nbuf_t nbuf_copy;
  1440. uint8_t da_is_bcmc;
  1441. struct ethhdr *eh;
  1442. uint8_t local_id;
  1443. *fwd_success = false; /* set default as failure */
  1444. /*
  1445. * WDI 3.0 skb->cb[] info from IPA driver
  1446. * skb->cb[0] = vdev_id
  1447. * skb->cb[1].bit#1 = da_is_bcmc
  1448. */
  1449. da_is_bcmc = ((uint8_t)nbuf->cb[1]) & 0x2;
  1450. if (qdf_unlikely(!vdev))
  1451. return false;
  1452. pdev = vdev->pdev;
  1453. if (qdf_unlikely(!pdev))
  1454. return false;
  1455. /* no fwd for station mode and just pass up to stack */
  1456. if (vdev->opmode == wlan_op_mode_sta)
  1457. return false;
  1458. if (da_is_bcmc) {
  1459. nbuf_copy = qdf_nbuf_copy(nbuf);
  1460. if (!nbuf_copy)
  1461. return false;
  1462. if (dp_ipa_intrabss_send(pdev, vdev, nbuf_copy))
  1463. qdf_nbuf_free(nbuf_copy);
  1464. else
  1465. *fwd_success = true;
  1466. /* return false to pass original pkt up to stack */
  1467. return false;
  1468. }
  1469. eh = (struct ethhdr *)qdf_nbuf_data(nbuf);
  1470. if (!qdf_mem_cmp(eh->h_dest, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE))
  1471. return false;
  1472. da_peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev, eh->h_dest,
  1473. &local_id);
  1474. if (!da_peer)
  1475. return false;
  1476. if (da_peer->vdev != vdev)
  1477. return false;
  1478. sa_peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev, eh->h_source,
  1479. &local_id);
  1480. if (!sa_peer)
  1481. return false;
  1482. if (sa_peer->vdev != vdev)
  1483. return false;
  1484. /*
  1485. * In intra-bss forwarding scenario, skb is allocated by IPA driver.
  1486. * Need to add skb to internal tracking table to avoid nbuf memory
  1487. * leak check for unallocated skb.
  1488. */
  1489. qdf_net_buf_debug_acquire_skb(nbuf, __FILE__, __LINE__);
  1490. if (dp_ipa_intrabss_send(pdev, vdev, nbuf))
  1491. qdf_nbuf_free(nbuf);
  1492. else
  1493. *fwd_success = true;
  1494. return true;
  1495. }
  1496. #ifdef MDM_PLATFORM
  1497. bool dp_ipa_is_mdm_platform(void)
  1498. {
  1499. return true;
  1500. }
  1501. #else
  1502. bool dp_ipa_is_mdm_platform(void)
  1503. {
  1504. return false;
  1505. }
  1506. #endif
  1507. /**
  1508. * dp_ipa_handle_rx_reo_reinject - Handle RX REO reinject skb buffer
  1509. * @soc: soc
  1510. * @nbuf: skb
  1511. *
  1512. * Return: nbuf if success and otherwise NULL
  1513. */
  1514. qdf_nbuf_t dp_ipa_handle_rx_reo_reinject(struct dp_soc *soc, qdf_nbuf_t nbuf)
  1515. {
  1516. uint8_t *rx_pkt_tlvs;
  1517. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1518. return nbuf;
  1519. /* WLAN IPA is run-time disabled */
  1520. if (!qdf_atomic_read(&soc->ipa_pipes_enabled))
  1521. return nbuf;
  1522. /* Linearize the skb since IPA assumes linear buffer */
  1523. if (qdf_likely(qdf_nbuf_is_frag(nbuf))) {
  1524. if (qdf_nbuf_linearize(nbuf)) {
  1525. dp_err_rl("nbuf linearize failed");
  1526. return NULL;
  1527. }
  1528. }
  1529. rx_pkt_tlvs = qdf_mem_malloc(RX_PKT_TLVS_LEN);
  1530. if (!rx_pkt_tlvs) {
  1531. dp_err_rl("rx_pkt_tlvs alloc failed");
  1532. return NULL;
  1533. }
  1534. qdf_mem_copy(rx_pkt_tlvs, qdf_nbuf_data(nbuf), RX_PKT_TLVS_LEN);
  1535. /* Pad L3_HEADER_PADDING before ethhdr and after rx_pkt_tlvs */
  1536. qdf_nbuf_push_head(nbuf, L3_HEADER_PADDING);
  1537. qdf_mem_copy(qdf_nbuf_data(nbuf), rx_pkt_tlvs, RX_PKT_TLVS_LEN);
  1538. /* L3_HEADDING_PADDING is not accounted for real skb length */
  1539. qdf_nbuf_set_len(nbuf, qdf_nbuf_len(nbuf) - L3_HEADER_PADDING);
  1540. qdf_mem_free(rx_pkt_tlvs);
  1541. return nbuf;
  1542. }
  1543. #endif