dp_ipa.c 87 KB

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  1. /*
  2. * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  4. *
  5. * Permission to use, copy, modify, and/or distribute this software for any
  6. * purpose with or without fee is hereby granted, provided that the above
  7. * copyright notice and this permission notice appear in all copies.
  8. *
  9. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10. * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11. * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12. * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13. * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14. * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15. * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16. */
  17. #ifdef IPA_OFFLOAD
  18. #include <qdf_ipa_wdi3.h>
  19. #include <qdf_types.h>
  20. #include <qdf_lock.h>
  21. #include <hal_hw_headers.h>
  22. #include <hal_api.h>
  23. #include <hal_reo.h>
  24. #include <hif.h>
  25. #include <htt.h>
  26. #include <wdi_event.h>
  27. #include <queue.h>
  28. #include "dp_types.h"
  29. #include "dp_htt.h"
  30. #include "dp_tx.h"
  31. #include "dp_rx.h"
  32. #include "dp_ipa.h"
  33. #include "dp_internal.h"
  34. #ifdef WIFI_MONITOR_SUPPORT
  35. #include "dp_mon.h"
  36. #endif
  37. /* Ring index for WBM2SW2 release ring */
  38. #define IPA_TX_COMP_RING_IDX HAL_IPA_TX_COMP_RING_IDX
  39. /* Hard coded config parameters until dp_ops_cfg.cfg_attach implemented */
  40. #define CFG_IPA_UC_TX_BUF_SIZE_DEFAULT (2048)
  41. /* WAR for IPA_OFFLOAD case. In some cases, its observed that WBM tries to
  42. * release a buffer into WBM2SW RELEASE ring for IPA, and the ring is full.
  43. * This causes back pressure, resulting in a FW crash.
  44. * By leaving some entries with no buffer attached, WBM will be able to write
  45. * to the ring, and from dumps we can figure out the buffer which is causing
  46. * this issue.
  47. */
  48. #define DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES 16
  49. /**
  50. *struct dp_ipa_reo_remap_record - history for dp ipa reo remaps
  51. * @ix0_reg: reo destination ring IX0 value
  52. * @ix2_reg: reo destination ring IX2 value
  53. * @ix3_reg: reo destination ring IX3 value
  54. */
  55. struct dp_ipa_reo_remap_record {
  56. uint64_t timestamp;
  57. uint32_t ix0_reg;
  58. uint32_t ix2_reg;
  59. uint32_t ix3_reg;
  60. };
  61. #define REO_REMAP_HISTORY_SIZE 32
  62. struct dp_ipa_reo_remap_record dp_ipa_reo_remap_history[REO_REMAP_HISTORY_SIZE];
  63. static qdf_atomic_t dp_ipa_reo_remap_history_index;
  64. static int dp_ipa_reo_remap_record_index_next(qdf_atomic_t *index)
  65. {
  66. int next = qdf_atomic_inc_return(index);
  67. if (next == REO_REMAP_HISTORY_SIZE)
  68. qdf_atomic_sub(REO_REMAP_HISTORY_SIZE, index);
  69. return next % REO_REMAP_HISTORY_SIZE;
  70. }
  71. /**
  72. * dp_ipa_reo_remap_history_add() - Record dp ipa reo remap values
  73. * @ix0_val: reo destination ring IX0 value
  74. * @ix2_val: reo destination ring IX2 value
  75. * @ix3_val: reo destination ring IX3 value
  76. *
  77. * Return: None
  78. */
  79. static void dp_ipa_reo_remap_history_add(uint32_t ix0_val, uint32_t ix2_val,
  80. uint32_t ix3_val)
  81. {
  82. int idx = dp_ipa_reo_remap_record_index_next(
  83. &dp_ipa_reo_remap_history_index);
  84. struct dp_ipa_reo_remap_record *record = &dp_ipa_reo_remap_history[idx];
  85. record->timestamp = qdf_get_log_timestamp();
  86. record->ix0_reg = ix0_val;
  87. record->ix2_reg = ix2_val;
  88. record->ix3_reg = ix3_val;
  89. }
  90. static QDF_STATUS __dp_ipa_handle_buf_smmu_mapping(struct dp_soc *soc,
  91. qdf_nbuf_t nbuf,
  92. uint32_t size,
  93. bool create)
  94. {
  95. qdf_mem_info_t mem_map_table = {0};
  96. QDF_STATUS ret = QDF_STATUS_SUCCESS;
  97. qdf_ipa_wdi_hdl_t hdl;
  98. /* Need to handle the case when one soc will
  99. * have multiple pdev(radio's), Currently passing
  100. * pdev_id as 0 assuming 1 soc has only 1 radio.
  101. */
  102. hdl = wlan_ipa_get_hdl(soc->ctrl_psoc, 0);
  103. if (hdl == DP_IPA_HDL_INVALID) {
  104. dp_err("IPA handle is invalid");
  105. return QDF_STATUS_E_INVAL;
  106. }
  107. qdf_update_mem_map_table(soc->osdev, &mem_map_table,
  108. qdf_nbuf_get_frag_paddr(nbuf, 0),
  109. size);
  110. if (create) {
  111. /* Assert if PA is zero */
  112. qdf_assert_always(mem_map_table.pa);
  113. ret = qdf_ipa_wdi_create_smmu_mapping(hdl, 1,
  114. &mem_map_table);
  115. } else {
  116. ret = qdf_ipa_wdi_release_smmu_mapping(hdl, 1,
  117. &mem_map_table);
  118. }
  119. qdf_assert_always(!ret);
  120. /* Return status of mapping/unmapping is stored in
  121. * mem_map_table.result field, assert if the result
  122. * is failure
  123. */
  124. if (create)
  125. qdf_assert_always(!mem_map_table.result);
  126. else
  127. qdf_assert_always(mem_map_table.result >= mem_map_table.size);
  128. return ret;
  129. }
  130. QDF_STATUS dp_ipa_handle_rx_buf_smmu_mapping(struct dp_soc *soc,
  131. qdf_nbuf_t nbuf,
  132. uint32_t size,
  133. bool create)
  134. {
  135. struct dp_pdev *pdev;
  136. int i;
  137. for (i = 0; i < soc->pdev_count; i++) {
  138. pdev = soc->pdev_list[i];
  139. if (pdev && dp_monitor_is_configured(pdev))
  140. return QDF_STATUS_SUCCESS;
  141. }
  142. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx) ||
  143. !qdf_mem_smmu_s1_enabled(soc->osdev))
  144. return QDF_STATUS_SUCCESS;
  145. /**
  146. * Even if ipa pipes is disabled, but if it's unmap
  147. * operation and nbuf has done ipa smmu map before,
  148. * do ipa smmu unmap as well.
  149. */
  150. if (!qdf_atomic_read(&soc->ipa_pipes_enabled)) {
  151. if (!create && qdf_nbuf_is_rx_ipa_smmu_map(nbuf)) {
  152. DP_STATS_INC(soc, rx.err.ipa_unmap_no_pipe, 1);
  153. } else {
  154. return QDF_STATUS_SUCCESS;
  155. }
  156. }
  157. if (qdf_unlikely(create == qdf_nbuf_is_rx_ipa_smmu_map(nbuf))) {
  158. if (create) {
  159. DP_STATS_INC(soc, rx.err.ipa_smmu_map_dup, 1);
  160. } else {
  161. DP_STATS_INC(soc, rx.err.ipa_smmu_unmap_dup, 1);
  162. }
  163. return QDF_STATUS_E_INVAL;
  164. }
  165. qdf_nbuf_set_rx_ipa_smmu_map(nbuf, create);
  166. return __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, size, create);
  167. }
  168. static QDF_STATUS __dp_ipa_tx_buf_smmu_mapping(
  169. struct dp_soc *soc,
  170. struct dp_pdev *pdev,
  171. bool create)
  172. {
  173. uint32_t index;
  174. QDF_STATUS ret = QDF_STATUS_SUCCESS;
  175. uint32_t tx_buffer_cnt = soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;
  176. qdf_nbuf_t nbuf;
  177. uint32_t buf_len;
  178. if (!ipa_is_ready()) {
  179. dp_info("IPA is not READY");
  180. return 0;
  181. }
  182. for (index = 0; index < tx_buffer_cnt; index++) {
  183. nbuf = (qdf_nbuf_t)
  184. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[index];
  185. if (!nbuf)
  186. continue;
  187. buf_len = qdf_nbuf_get_data_len(nbuf);
  188. ret = __dp_ipa_handle_buf_smmu_mapping(soc, nbuf, buf_len,
  189. create);
  190. }
  191. return ret;
  192. }
  193. #ifndef QCA_OL_DP_SRNG_LOCK_LESS_ACCESS
  194. static void dp_ipa_set_reo_ctx_mapping_lock_required(struct dp_soc *soc,
  195. bool lock_required)
  196. {
  197. hal_ring_handle_t hal_ring_hdl;
  198. int ring;
  199. for (ring = 0; ring < soc->num_reo_dest_rings; ring++) {
  200. hal_ring_hdl = soc->reo_dest_ring[ring].hal_srng;
  201. hal_srng_lock(hal_ring_hdl);
  202. soc->ipa_reo_ctx_lock_required[ring] = lock_required;
  203. hal_srng_unlock(hal_ring_hdl);
  204. }
  205. }
  206. #else
  207. static void dp_ipa_set_reo_ctx_mapping_lock_required(struct dp_soc *soc,
  208. bool lock_required)
  209. {
  210. }
  211. #endif
  212. #ifdef RX_DESC_MULTI_PAGE_ALLOC
  213. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  214. struct dp_pdev *pdev,
  215. bool create)
  216. {
  217. struct rx_desc_pool *rx_pool;
  218. uint8_t pdev_id;
  219. uint32_t num_desc, page_id, offset, i;
  220. uint16_t num_desc_per_page;
  221. union dp_rx_desc_list_elem_t *rx_desc_elem;
  222. struct dp_rx_desc *rx_desc;
  223. qdf_nbuf_t nbuf;
  224. QDF_STATUS ret = QDF_STATUS_SUCCESS;
  225. if (!qdf_ipa_is_ready())
  226. return ret;
  227. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  228. return ret;
  229. pdev_id = pdev->pdev_id;
  230. rx_pool = &soc->rx_desc_buf[pdev_id];
  231. dp_ipa_set_reo_ctx_mapping_lock_required(soc, true);
  232. qdf_spin_lock_bh(&rx_pool->lock);
  233. dp_ipa_rx_buf_smmu_mapping_lock(soc);
  234. num_desc = rx_pool->pool_size;
  235. num_desc_per_page = rx_pool->desc_pages.num_element_per_page;
  236. for (i = 0; i < num_desc; i++) {
  237. page_id = i / num_desc_per_page;
  238. offset = i % num_desc_per_page;
  239. if (qdf_unlikely(!(rx_pool->desc_pages.cacheable_pages)))
  240. break;
  241. rx_desc_elem = dp_rx_desc_find(page_id, offset, rx_pool);
  242. rx_desc = &rx_desc_elem->rx_desc;
  243. if ((!(rx_desc->in_use)) || rx_desc->unmapped)
  244. continue;
  245. nbuf = rx_desc->nbuf;
  246. if (qdf_unlikely(create ==
  247. qdf_nbuf_is_rx_ipa_smmu_map(nbuf))) {
  248. if (create) {
  249. DP_STATS_INC(soc,
  250. rx.err.ipa_smmu_map_dup, 1);
  251. } else {
  252. DP_STATS_INC(soc,
  253. rx.err.ipa_smmu_unmap_dup, 1);
  254. }
  255. continue;
  256. }
  257. qdf_nbuf_set_rx_ipa_smmu_map(nbuf, create);
  258. ret = __dp_ipa_handle_buf_smmu_mapping(
  259. soc, nbuf, rx_pool->buf_size, create);
  260. }
  261. dp_ipa_rx_buf_smmu_mapping_unlock(soc);
  262. qdf_spin_unlock_bh(&rx_pool->lock);
  263. dp_ipa_set_reo_ctx_mapping_lock_required(soc, false);
  264. return ret;
  265. }
  266. #else
  267. static QDF_STATUS dp_ipa_handle_rx_buf_pool_smmu_mapping(struct dp_soc *soc,
  268. struct dp_pdev *pdev,
  269. bool create)
  270. {
  271. struct rx_desc_pool *rx_pool;
  272. uint8_t pdev_id;
  273. qdf_nbuf_t nbuf;
  274. int i;
  275. if (!qdf_ipa_is_ready())
  276. return QDF_STATUS_SUCCESS;
  277. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  278. return QDF_STATUS_SUCCESS;
  279. pdev_id = pdev->pdev_id;
  280. rx_pool = &soc->rx_desc_buf[pdev_id];
  281. dp_ipa_set_reo_ctx_mapping_lock_required(soc, true);
  282. qdf_spin_lock_bh(&rx_pool->lock);
  283. dp_ipa_rx_buf_smmu_mapping_lock(soc);
  284. for (i = 0; i < rx_pool->pool_size; i++) {
  285. if ((!(rx_pool->array[i].rx_desc.in_use)) ||
  286. rx_pool->array[i].rx_desc.unmapped)
  287. continue;
  288. nbuf = rx_pool->array[i].rx_desc.nbuf;
  289. if (qdf_unlikely(create ==
  290. qdf_nbuf_is_rx_ipa_smmu_map(nbuf))) {
  291. if (create) {
  292. DP_STATS_INC(soc,
  293. rx.err.ipa_smmu_map_dup, 1);
  294. } else {
  295. DP_STATS_INC(soc,
  296. rx.err.ipa_smmu_unmap_dup, 1);
  297. }
  298. continue;
  299. }
  300. qdf_nbuf_set_rx_ipa_smmu_map(nbuf, create);
  301. __dp_ipa_handle_buf_smmu_mapping(soc, nbuf,
  302. rx_pool->buf_size, create);
  303. }
  304. dp_ipa_rx_buf_smmu_mapping_unlock(soc);
  305. qdf_spin_unlock_bh(&rx_pool->lock);
  306. dp_ipa_set_reo_ctx_mapping_lock_required(soc, false);
  307. return QDF_STATUS_SUCCESS;
  308. }
  309. #endif /* RX_DESC_MULTI_PAGE_ALLOC */
  310. static QDF_STATUS dp_ipa_get_shared_mem_info(qdf_device_t osdev,
  311. qdf_shared_mem_t *shared_mem,
  312. void *cpu_addr,
  313. qdf_dma_addr_t dma_addr,
  314. uint32_t size)
  315. {
  316. qdf_dma_addr_t paddr;
  317. int ret;
  318. shared_mem->vaddr = cpu_addr;
  319. qdf_mem_set_dma_size(osdev, &shared_mem->mem_info, size);
  320. *qdf_mem_get_dma_addr_ptr(osdev, &shared_mem->mem_info) = dma_addr;
  321. paddr = qdf_mem_paddr_from_dmaaddr(osdev, dma_addr);
  322. qdf_mem_set_dma_pa(osdev, &shared_mem->mem_info, paddr);
  323. ret = qdf_mem_dma_get_sgtable(osdev->dev, &shared_mem->sgtable,
  324. shared_mem->vaddr, dma_addr, size);
  325. if (ret) {
  326. dp_err("Unable to get DMA sgtable");
  327. return QDF_STATUS_E_NOMEM;
  328. }
  329. qdf_dma_get_sgtable_dma_addr(&shared_mem->sgtable);
  330. return QDF_STATUS_SUCCESS;
  331. }
  332. #ifdef IPA_WDI3_TX_TWO_PIPES
  333. static void dp_ipa_tx_alt_pool_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  334. {
  335. struct dp_ipa_resources *ipa_res;
  336. qdf_nbuf_t nbuf;
  337. int idx;
  338. for (idx = 0; idx < soc->ipa_uc_tx_rsc_alt.alloc_tx_buf_cnt; idx++) {
  339. nbuf = (qdf_nbuf_t)
  340. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned[idx];
  341. if (!nbuf)
  342. continue;
  343. qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
  344. qdf_mem_dp_tx_skb_cnt_dec();
  345. qdf_mem_dp_tx_skb_dec(qdf_nbuf_get_end_offset(nbuf));
  346. qdf_nbuf_free(nbuf);
  347. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned[idx] =
  348. (void *)NULL;
  349. }
  350. qdf_mem_free(soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned);
  351. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned = NULL;
  352. ipa_res = &pdev->ipa_resource;
  353. if (!ipa_res->is_db_ddr_mapped)
  354. iounmap(ipa_res->tx_alt_comp_doorbell_vaddr);
  355. qdf_mem_free_sgtable(&ipa_res->tx_alt_ring.sgtable);
  356. qdf_mem_free_sgtable(&ipa_res->tx_alt_comp_ring.sgtable);
  357. }
  358. static int dp_ipa_tx_alt_pool_attach(struct dp_soc *soc)
  359. {
  360. uint32_t tx_buffer_count;
  361. uint32_t ring_base_align = 8;
  362. qdf_dma_addr_t buffer_paddr;
  363. struct hal_srng *wbm_srng = (struct hal_srng *)
  364. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  365. struct hal_srng_params srng_params;
  366. uint32_t wbm_sw0_bm_id = soc->wbm_sw0_bm_id;
  367. void *ring_entry;
  368. int num_entries;
  369. qdf_nbuf_t nbuf;
  370. int retval = QDF_STATUS_SUCCESS;
  371. int max_alloc_count = 0;
  372. /*
  373. * Uncomment when dp_ops_cfg.cfg_attach is implemented
  374. * unsigned int uc_tx_buf_sz =
  375. * dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
  376. */
  377. unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
  378. unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;
  379. hal_get_srng_params(soc->hal_soc,
  380. hal_srng_to_hal_ring_handle(wbm_srng),
  381. &srng_params);
  382. num_entries = srng_params.num_entries;
  383. max_alloc_count =
  384. num_entries - DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES;
  385. if (max_alloc_count <= 0) {
  386. dp_err("incorrect value for buffer count %u", max_alloc_count);
  387. return -EINVAL;
  388. }
  389. dp_info("requested %d buffers to be posted to wbm ring",
  390. max_alloc_count);
  391. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned =
  392. qdf_mem_malloc(num_entries *
  393. sizeof(*soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned));
  394. if (!soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned) {
  395. dp_err("IPA WBM Ring Tx buf pool vaddr alloc fail");
  396. return -ENOMEM;
  397. }
  398. hal_srng_access_start_unlocked(soc->hal_soc,
  399. hal_srng_to_hal_ring_handle(wbm_srng));
  400. /*
  401. * Allocate Tx buffers as many as possible.
  402. * Leave DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES empty
  403. * Populate Tx buffers into WBM2IPA ring
  404. * This initial buffer population will simulate H/W as source ring,
  405. * and update HP
  406. */
  407. for (tx_buffer_count = 0;
  408. tx_buffer_count < max_alloc_count - 1; tx_buffer_count++) {
  409. nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
  410. if (!nbuf)
  411. break;
  412. ring_entry = hal_srng_dst_get_next_hp(
  413. soc->hal_soc,
  414. hal_srng_to_hal_ring_handle(wbm_srng));
  415. if (!ring_entry) {
  416. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
  417. "%s: Failed to get WBM ring entry",
  418. __func__);
  419. qdf_nbuf_free(nbuf);
  420. break;
  421. }
  422. qdf_nbuf_map_single(soc->osdev, nbuf,
  423. QDF_DMA_BIDIRECTIONAL);
  424. buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);
  425. qdf_mem_dp_tx_skb_cnt_inc();
  426. qdf_mem_dp_tx_skb_inc(qdf_nbuf_get_end_offset(nbuf));
  427. hal_rxdma_buff_addr_info_set(soc->hal_soc, ring_entry,
  428. buffer_paddr, 0,
  429. HAL_WBM_SW4_BM_ID(wbm_sw0_bm_id));
  430. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned[
  431. tx_buffer_count] = (void *)nbuf;
  432. }
  433. hal_srng_access_end_unlocked(soc->hal_soc,
  434. hal_srng_to_hal_ring_handle(wbm_srng));
  435. soc->ipa_uc_tx_rsc_alt.alloc_tx_buf_cnt = tx_buffer_count;
  436. if (tx_buffer_count) {
  437. dp_info("IPA TX buffer pool2: %d allocated", tx_buffer_count);
  438. } else {
  439. dp_err("Failed to allocate IPA TX buffer pool2");
  440. qdf_mem_free(
  441. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned);
  442. soc->ipa_uc_tx_rsc_alt.tx_buf_pool_vaddr_unaligned = NULL;
  443. retval = -ENOMEM;
  444. }
  445. return retval;
  446. }
  447. static QDF_STATUS dp_ipa_tx_alt_ring_get_resource(struct dp_pdev *pdev)
  448. {
  449. struct dp_soc *soc = pdev->soc;
  450. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  451. ipa_res->tx_alt_ring_num_alloc_buffer =
  452. (uint32_t)soc->ipa_uc_tx_rsc_alt.alloc_tx_buf_cnt;
  453. dp_ipa_get_shared_mem_info(
  454. soc->osdev, &ipa_res->tx_alt_ring,
  455. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_vaddr,
  456. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_paddr,
  457. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_size);
  458. dp_ipa_get_shared_mem_info(
  459. soc->osdev, &ipa_res->tx_alt_comp_ring,
  460. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_vaddr,
  461. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_paddr,
  462. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_size);
  463. if (!qdf_mem_get_dma_addr(soc->osdev,
  464. &ipa_res->tx_alt_comp_ring.mem_info))
  465. return QDF_STATUS_E_FAILURE;
  466. return QDF_STATUS_SUCCESS;
  467. }
  468. static void dp_ipa_tx_alt_ring_resource_setup(struct dp_soc *soc)
  469. {
  470. struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
  471. struct hal_srng *hal_srng;
  472. struct hal_srng_params srng_params;
  473. unsigned long addr_offset, dev_base_paddr;
  474. /* IPA TCL_DATA Alternative Ring - HAL_SRNG_SW2TCL2 */
  475. hal_srng = (struct hal_srng *)
  476. soc->tcl_data_ring[IPA_TX_ALT_RING_IDX].hal_srng;
  477. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  478. hal_srng_to_hal_ring_handle(hal_srng),
  479. &srng_params);
  480. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_paddr =
  481. srng_params.ring_base_paddr;
  482. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_vaddr =
  483. srng_params.ring_base_vaddr;
  484. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_size =
  485. (srng_params.num_entries * srng_params.entry_size) << 2;
  486. /*
  487. * For the register backed memory addresses, use the scn->mem_pa to
  488. * calculate the physical address of the shadow registers
  489. */
  490. dev_base_paddr =
  491. (unsigned long)
  492. ((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
  493. addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
  494. (unsigned long)(hal_soc->dev_base_addr);
  495. soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr =
  496. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  497. dp_info("IPA TCL_DATA Alt Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  498. (unsigned int)addr_offset,
  499. (unsigned int)dev_base_paddr,
  500. (unsigned int)(soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr),
  501. (void *)soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_paddr,
  502. (void *)soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_base_vaddr,
  503. srng_params.num_entries,
  504. soc->ipa_uc_tx_rsc_alt.ipa_tcl_ring_size);
  505. /* IPA TX Alternative COMP Ring - HAL_SRNG_WBM2SW4_RELEASE */
  506. hal_srng = (struct hal_srng *)
  507. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  508. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  509. hal_srng_to_hal_ring_handle(hal_srng),
  510. &srng_params);
  511. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_paddr =
  512. srng_params.ring_base_paddr;
  513. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_vaddr =
  514. srng_params.ring_base_vaddr;
  515. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_size =
  516. (srng_params.num_entries * srng_params.entry_size) << 2;
  517. soc->ipa_uc_tx_rsc_alt.ipa_wbm_hp_shadow_paddr =
  518. hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  519. hal_srng_to_hal_ring_handle(hal_srng));
  520. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  521. (unsigned long)(hal_soc->dev_base_addr);
  522. soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr =
  523. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  524. dp_info("IPA TX Alt COMP Ring addr_offset=%x, dev_base_paddr=%x, ipa_wbm_tp_paddr=%x paddr=%pK vaddr=0%pK size= %u(%u bytes)",
  525. (unsigned int)addr_offset,
  526. (unsigned int)dev_base_paddr,
  527. (unsigned int)(soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr),
  528. (void *)soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_paddr,
  529. (void *)soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_base_vaddr,
  530. srng_params.num_entries,
  531. soc->ipa_uc_tx_rsc_alt.ipa_wbm_ring_size);
  532. }
  533. static void dp_ipa_map_ring_doorbell_paddr(struct dp_pdev *pdev)
  534. {
  535. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  536. uint32_t rx_ready_doorbell_dmaaddr;
  537. uint32_t tx_comp_doorbell_dmaaddr;
  538. struct dp_soc *soc = pdev->soc;
  539. int ret = 0;
  540. if (ipa_res->is_db_ddr_mapped)
  541. ipa_res->tx_comp_doorbell_vaddr =
  542. phys_to_virt(ipa_res->tx_comp_doorbell_paddr);
  543. else
  544. ipa_res->tx_comp_doorbell_vaddr =
  545. ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
  546. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  547. ret = pld_smmu_map(soc->osdev->dev,
  548. ipa_res->tx_comp_doorbell_paddr,
  549. &tx_comp_doorbell_dmaaddr,
  550. sizeof(uint32_t));
  551. ipa_res->tx_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  552. qdf_assert_always(!ret);
  553. ret = pld_smmu_map(soc->osdev->dev,
  554. ipa_res->rx_ready_doorbell_paddr,
  555. &rx_ready_doorbell_dmaaddr,
  556. sizeof(uint32_t));
  557. ipa_res->rx_ready_doorbell_paddr = rx_ready_doorbell_dmaaddr;
  558. qdf_assert_always(!ret);
  559. }
  560. /* Setup for alternative TX pipe */
  561. if (!ipa_res->tx_alt_comp_doorbell_paddr)
  562. return;
  563. if (ipa_res->is_db_ddr_mapped)
  564. ipa_res->tx_alt_comp_doorbell_vaddr =
  565. phys_to_virt(ipa_res->tx_alt_comp_doorbell_paddr);
  566. else
  567. ipa_res->tx_alt_comp_doorbell_vaddr =
  568. ioremap(ipa_res->tx_alt_comp_doorbell_paddr, 4);
  569. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  570. ret = pld_smmu_map(soc->osdev->dev,
  571. ipa_res->tx_alt_comp_doorbell_paddr,
  572. &tx_comp_doorbell_dmaaddr,
  573. sizeof(uint32_t));
  574. ipa_res->tx_alt_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  575. qdf_assert_always(!ret);
  576. }
  577. }
  578. static void dp_ipa_unmap_ring_doorbell_paddr(struct dp_pdev *pdev)
  579. {
  580. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  581. struct dp_soc *soc = pdev->soc;
  582. int ret = 0;
  583. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  584. return;
  585. /* Unmap must be in reverse order of map */
  586. if (ipa_res->tx_alt_comp_doorbell_paddr) {
  587. ret = pld_smmu_unmap(soc->osdev->dev,
  588. ipa_res->tx_alt_comp_doorbell_paddr,
  589. sizeof(uint32_t));
  590. qdf_assert_always(!ret);
  591. }
  592. ret = pld_smmu_unmap(soc->osdev->dev,
  593. ipa_res->rx_ready_doorbell_paddr,
  594. sizeof(uint32_t));
  595. qdf_assert_always(!ret);
  596. ret = pld_smmu_unmap(soc->osdev->dev,
  597. ipa_res->tx_comp_doorbell_paddr,
  598. sizeof(uint32_t));
  599. qdf_assert_always(!ret);
  600. }
  601. static QDF_STATUS dp_ipa_tx_alt_buf_smmu_mapping(struct dp_soc *soc,
  602. struct dp_pdev *pdev,
  603. bool create)
  604. {
  605. QDF_STATUS ret = QDF_STATUS_SUCCESS;
  606. struct ipa_dp_tx_rsc *rsc;
  607. uint32_t tx_buffer_cnt;
  608. uint32_t buf_len;
  609. qdf_nbuf_t nbuf;
  610. uint32_t index;
  611. if (!ipa_is_ready()) {
  612. dp_info("IPA is not READY");
  613. return QDF_STATUS_SUCCESS;
  614. }
  615. rsc = &soc->ipa_uc_tx_rsc_alt;
  616. tx_buffer_cnt = rsc->alloc_tx_buf_cnt;
  617. for (index = 0; index < tx_buffer_cnt; index++) {
  618. nbuf = (qdf_nbuf_t)rsc->tx_buf_pool_vaddr_unaligned[index];
  619. if (!nbuf)
  620. continue;
  621. buf_len = qdf_nbuf_get_data_len(nbuf);
  622. ret = __dp_ipa_handle_buf_smmu_mapping(
  623. soc, nbuf, buf_len, create);
  624. }
  625. return ret;
  626. }
  627. static void dp_ipa_wdi_tx_alt_pipe_params(struct dp_soc *soc,
  628. struct dp_ipa_resources *ipa_res,
  629. qdf_ipa_wdi_pipe_setup_info_t *tx)
  630. {
  631. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS1;
  632. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  633. qdf_mem_get_dma_addr(soc->osdev,
  634. &ipa_res->tx_alt_comp_ring.mem_info);
  635. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  636. qdf_mem_get_dma_size(soc->osdev,
  637. &ipa_res->tx_alt_comp_ring.mem_info);
  638. /* WBM Tail Pointer Address */
  639. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  640. soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr;
  641. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  642. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  643. qdf_mem_get_dma_addr(soc->osdev,
  644. &ipa_res->tx_alt_ring.mem_info);
  645. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  646. qdf_mem_get_dma_size(soc->osdev,
  647. &ipa_res->tx_alt_ring.mem_info);
  648. /* TCL Head Pointer Address */
  649. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  650. soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr;
  651. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  652. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  653. ipa_res->tx_alt_ring_num_alloc_buffer;
  654. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  655. }
  656. static void
  657. dp_ipa_wdi_tx_alt_pipe_smmu_params(struct dp_soc *soc,
  658. struct dp_ipa_resources *ipa_res,
  659. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu)
  660. {
  661. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) = IPA_CLIENT_WLAN2_CONS1;
  662. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  663. &ipa_res->tx_alt_comp_ring.sgtable,
  664. sizeof(sgtable_t));
  665. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  666. qdf_mem_get_dma_size(soc->osdev,
  667. &ipa_res->tx_alt_comp_ring.mem_info);
  668. /* WBM Tail Pointer Address */
  669. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  670. soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr;
  671. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  672. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  673. &ipa_res->tx_alt_ring.sgtable,
  674. sizeof(sgtable_t));
  675. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  676. qdf_mem_get_dma_size(soc->osdev,
  677. &ipa_res->tx_alt_ring.mem_info);
  678. /* TCL Head Pointer Address */
  679. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  680. soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr;
  681. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  682. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  683. ipa_res->tx_alt_ring_num_alloc_buffer;
  684. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  685. }
  686. static void dp_ipa_setup_tx_alt_pipe(struct dp_soc *soc,
  687. struct dp_ipa_resources *res,
  688. qdf_ipa_wdi_conn_in_params_t *in)
  689. {
  690. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu = NULL;
  691. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  692. qdf_ipa_ep_cfg_t *tx_cfg;
  693. QDF_IPA_WDI_CONN_IN_PARAMS_IS_TX1_USED(in) = true;
  694. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  695. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_ALT_PIPE_SMMU(in);
  696. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  697. dp_ipa_wdi_tx_alt_pipe_smmu_params(soc, res, tx_smmu);
  698. } else {
  699. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_ALT_PIPE(in);
  700. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx);
  701. dp_ipa_wdi_tx_alt_pipe_params(soc, res, tx);
  702. }
  703. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  704. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  705. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  706. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  707. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  708. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  709. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  710. }
  711. static void dp_ipa_set_pipe_db(struct dp_ipa_resources *res,
  712. qdf_ipa_wdi_conn_out_params_t *out)
  713. {
  714. res->tx_comp_doorbell_paddr =
  715. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(out);
  716. res->rx_ready_doorbell_paddr =
  717. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(out);
  718. res->tx_alt_comp_doorbell_paddr =
  719. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_ALT_DB_PA(out);
  720. }
  721. static void dp_ipa_setup_iface_session_id(qdf_ipa_wdi_reg_intf_in_params_t *in,
  722. uint8_t session_id)
  723. {
  724. bool is_2g_iface = session_id & IPA_SESSION_ID_SHIFT;
  725. session_id = session_id >> IPA_SESSION_ID_SHIFT;
  726. dp_debug("session_id %u is_2g_iface %d", session_id, is_2g_iface);
  727. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(in) = htonl(session_id << 16);
  728. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_TX1_USED(in) = is_2g_iface;
  729. }
  730. static void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
  731. struct dp_ipa_resources *res)
  732. {
  733. struct hal_srng *wbm_srng;
  734. /* Init first TX comp ring */
  735. wbm_srng = (struct hal_srng *)
  736. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  737. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  738. res->tx_comp_doorbell_vaddr);
  739. /* Init the alternate TX comp ring */
  740. wbm_srng = (struct hal_srng *)
  741. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  742. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  743. res->tx_alt_comp_doorbell_vaddr);
  744. }
  745. static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
  746. struct dp_ipa_resources *ipa_res)
  747. {
  748. struct hal_srng *wbm_srng;
  749. wbm_srng = (struct hal_srng *)
  750. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  751. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  752. ipa_res->tx_comp_doorbell_paddr);
  753. dp_info("paddr %pK vaddr %pK",
  754. (void *)ipa_res->tx_comp_doorbell_paddr,
  755. (void *)ipa_res->tx_comp_doorbell_vaddr);
  756. /* Setup for alternative TX comp ring */
  757. wbm_srng = (struct hal_srng *)
  758. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  759. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  760. ipa_res->tx_alt_comp_doorbell_paddr);
  761. dp_info("paddr %pK vaddr %pK",
  762. (void *)ipa_res->tx_alt_comp_doorbell_paddr,
  763. (void *)ipa_res->tx_alt_comp_doorbell_vaddr);
  764. }
  765. #ifdef IPA_SET_RESET_TX_DB_PA
  766. static QDF_STATUS dp_ipa_reset_tx_doorbell_pa(struct dp_soc *soc,
  767. struct dp_ipa_resources *ipa_res)
  768. {
  769. hal_ring_handle_t wbm_srng;
  770. qdf_dma_addr_t hp_addr;
  771. wbm_srng = soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  772. if (!wbm_srng)
  773. return QDF_STATUS_E_FAILURE;
  774. hp_addr = soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr;
  775. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  776. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  777. /* Reset alternative TX comp ring */
  778. wbm_srng = soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  779. if (!wbm_srng)
  780. return QDF_STATUS_E_FAILURE;
  781. hp_addr = soc->ipa_uc_tx_rsc_alt.ipa_wbm_hp_shadow_paddr;
  782. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  783. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  784. return QDF_STATUS_SUCCESS;
  785. }
  786. #endif /* IPA_SET_RESET_TX_DB_PA */
  787. #else /* !IPA_WDI3_TX_TWO_PIPES */
  788. static inline
  789. void dp_ipa_tx_alt_pool_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  790. {
  791. }
  792. static inline void dp_ipa_tx_alt_ring_resource_setup(struct dp_soc *soc)
  793. {
  794. }
  795. static inline int dp_ipa_tx_alt_pool_attach(struct dp_soc *soc)
  796. {
  797. return 0;
  798. }
  799. static inline QDF_STATUS dp_ipa_tx_alt_ring_get_resource(struct dp_pdev *pdev)
  800. {
  801. return QDF_STATUS_SUCCESS;
  802. }
  803. static void dp_ipa_map_ring_doorbell_paddr(struct dp_pdev *pdev)
  804. {
  805. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  806. uint32_t rx_ready_doorbell_dmaaddr;
  807. uint32_t tx_comp_doorbell_dmaaddr;
  808. struct dp_soc *soc = pdev->soc;
  809. int ret = 0;
  810. if (ipa_res->is_db_ddr_mapped)
  811. ipa_res->tx_comp_doorbell_vaddr =
  812. phys_to_virt(ipa_res->tx_comp_doorbell_paddr);
  813. else
  814. ipa_res->tx_comp_doorbell_vaddr =
  815. ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
  816. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  817. ret = pld_smmu_map(soc->osdev->dev,
  818. ipa_res->tx_comp_doorbell_paddr,
  819. &tx_comp_doorbell_dmaaddr,
  820. sizeof(uint32_t));
  821. ipa_res->tx_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  822. qdf_assert_always(!ret);
  823. ret = pld_smmu_map(soc->osdev->dev,
  824. ipa_res->rx_ready_doorbell_paddr,
  825. &rx_ready_doorbell_dmaaddr,
  826. sizeof(uint32_t));
  827. ipa_res->rx_ready_doorbell_paddr = rx_ready_doorbell_dmaaddr;
  828. qdf_assert_always(!ret);
  829. }
  830. }
  831. static inline void dp_ipa_unmap_ring_doorbell_paddr(struct dp_pdev *pdev)
  832. {
  833. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  834. struct dp_soc *soc = pdev->soc;
  835. int ret = 0;
  836. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  837. return;
  838. ret = pld_smmu_unmap(soc->osdev->dev,
  839. ipa_res->rx_ready_doorbell_paddr,
  840. sizeof(uint32_t));
  841. qdf_assert_always(!ret);
  842. ret = pld_smmu_unmap(soc->osdev->dev,
  843. ipa_res->tx_comp_doorbell_paddr,
  844. sizeof(uint32_t));
  845. qdf_assert_always(!ret);
  846. }
  847. static inline QDF_STATUS dp_ipa_tx_alt_buf_smmu_mapping(struct dp_soc *soc,
  848. struct dp_pdev *pdev,
  849. bool create)
  850. {
  851. return QDF_STATUS_SUCCESS;
  852. }
  853. static inline
  854. void dp_ipa_setup_tx_alt_pipe(struct dp_soc *soc, struct dp_ipa_resources *res,
  855. qdf_ipa_wdi_conn_in_params_t *in)
  856. {
  857. }
  858. static void dp_ipa_set_pipe_db(struct dp_ipa_resources *res,
  859. qdf_ipa_wdi_conn_out_params_t *out)
  860. {
  861. res->tx_comp_doorbell_paddr =
  862. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(out);
  863. res->rx_ready_doorbell_paddr =
  864. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(out);
  865. }
  866. static void dp_ipa_setup_iface_session_id(qdf_ipa_wdi_reg_intf_in_params_t *in,
  867. uint8_t session_id)
  868. {
  869. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(in) = htonl(session_id << 16);
  870. }
  871. static inline void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
  872. struct dp_ipa_resources *res)
  873. {
  874. struct hal_srng *wbm_srng = (struct hal_srng *)
  875. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  876. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  877. res->tx_comp_doorbell_vaddr);
  878. }
  879. static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
  880. struct dp_ipa_resources *ipa_res)
  881. {
  882. struct hal_srng *wbm_srng = (struct hal_srng *)
  883. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  884. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  885. ipa_res->tx_comp_doorbell_paddr);
  886. dp_info("paddr %pK vaddr %pK",
  887. (void *)ipa_res->tx_comp_doorbell_paddr,
  888. (void *)ipa_res->tx_comp_doorbell_vaddr);
  889. }
  890. #ifdef IPA_SET_RESET_TX_DB_PA
  891. static QDF_STATUS dp_ipa_reset_tx_doorbell_pa(struct dp_soc *soc,
  892. struct dp_ipa_resources *ipa_res)
  893. {
  894. hal_ring_handle_t wbm_srng =
  895. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  896. qdf_dma_addr_t hp_addr;
  897. if (!wbm_srng)
  898. return QDF_STATUS_E_FAILURE;
  899. hp_addr = soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr;
  900. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  901. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  902. return QDF_STATUS_SUCCESS;
  903. }
  904. #endif /* IPA_SET_RESET_TX_DB_PA */
  905. #endif /* IPA_WDI3_TX_TWO_PIPES */
  906. /**
  907. * dp_tx_ipa_uc_detach - Free autonomy TX resources
  908. * @soc: data path instance
  909. * @pdev: core txrx pdev context
  910. *
  911. * Free allocated TX buffers with WBM SRNG
  912. *
  913. * Return: none
  914. */
  915. static void dp_tx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  916. {
  917. int idx;
  918. qdf_nbuf_t nbuf;
  919. struct dp_ipa_resources *ipa_res;
  920. for (idx = 0; idx < soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt; idx++) {
  921. nbuf = (qdf_nbuf_t)
  922. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx];
  923. if (!nbuf)
  924. continue;
  925. qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
  926. qdf_mem_dp_tx_skb_cnt_dec();
  927. qdf_mem_dp_tx_skb_dec(qdf_nbuf_get_end_offset(nbuf));
  928. qdf_nbuf_free(nbuf);
  929. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx] =
  930. (void *)NULL;
  931. }
  932. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  933. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  934. ipa_res = &pdev->ipa_resource;
  935. qdf_mem_free_sgtable(&ipa_res->tx_ring.sgtable);
  936. qdf_mem_free_sgtable(&ipa_res->tx_comp_ring.sgtable);
  937. }
  938. /**
  939. * dp_rx_ipa_uc_detach - free autonomy RX resources
  940. * @soc: data path instance
  941. * @pdev: core txrx pdev context
  942. *
  943. * This function will detach DP RX into main device context
  944. * will free DP Rx resources.
  945. *
  946. * Return: none
  947. */
  948. static void dp_rx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  949. {
  950. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  951. qdf_mem_free_sgtable(&ipa_res->rx_rdy_ring.sgtable);
  952. qdf_mem_free_sgtable(&ipa_res->rx_refill_ring.sgtable);
  953. }
  954. int dp_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  955. {
  956. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  957. return QDF_STATUS_SUCCESS;
  958. /* TX resource detach */
  959. dp_tx_ipa_uc_detach(soc, pdev);
  960. /* Cleanup 2nd TX pipe resources */
  961. dp_ipa_tx_alt_pool_detach(soc, pdev);
  962. /* RX resource detach */
  963. dp_rx_ipa_uc_detach(soc, pdev);
  964. return QDF_STATUS_SUCCESS; /* success */
  965. }
  966. /**
  967. * dp_tx_ipa_uc_attach - Allocate autonomy TX resources
  968. * @soc: data path instance
  969. * @pdev: Physical device handle
  970. *
  971. * Allocate TX buffer from non-cacheable memory
  972. * Attache allocated TX buffers with WBM SRNG
  973. *
  974. * Return: int
  975. */
  976. static int dp_tx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  977. {
  978. uint32_t tx_buffer_count;
  979. uint32_t ring_base_align = 8;
  980. qdf_dma_addr_t buffer_paddr;
  981. struct hal_srng *wbm_srng = (struct hal_srng *)
  982. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  983. struct hal_srng_params srng_params;
  984. void *ring_entry;
  985. int num_entries;
  986. qdf_nbuf_t nbuf;
  987. int retval = QDF_STATUS_SUCCESS;
  988. int max_alloc_count = 0;
  989. /*
  990. * Uncomment when dp_ops_cfg.cfg_attach is implemented
  991. * unsigned int uc_tx_buf_sz =
  992. * dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
  993. */
  994. unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
  995. unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;
  996. hal_get_srng_params(soc->hal_soc, hal_srng_to_hal_ring_handle(wbm_srng),
  997. &srng_params);
  998. num_entries = srng_params.num_entries;
  999. max_alloc_count =
  1000. num_entries - DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES;
  1001. if (max_alloc_count <= 0) {
  1002. dp_err("incorrect value for buffer count %u", max_alloc_count);
  1003. return -EINVAL;
  1004. }
  1005. dp_info("requested %d buffers to be posted to wbm ring",
  1006. max_alloc_count);
  1007. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned =
  1008. qdf_mem_malloc(num_entries *
  1009. sizeof(*soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned));
  1010. if (!soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned) {
  1011. dp_err("IPA WBM Ring Tx buf pool vaddr alloc fail");
  1012. return -ENOMEM;
  1013. }
  1014. hal_srng_access_start_unlocked(soc->hal_soc,
  1015. hal_srng_to_hal_ring_handle(wbm_srng));
  1016. /*
  1017. * Allocate Tx buffers as many as possible.
  1018. * Leave DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES empty
  1019. * Populate Tx buffers into WBM2IPA ring
  1020. * This initial buffer population will simulate H/W as source ring,
  1021. * and update HP
  1022. */
  1023. for (tx_buffer_count = 0;
  1024. tx_buffer_count < max_alloc_count - 1; tx_buffer_count++) {
  1025. nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
  1026. if (!nbuf)
  1027. break;
  1028. ring_entry = hal_srng_dst_get_next_hp(soc->hal_soc,
  1029. hal_srng_to_hal_ring_handle(wbm_srng));
  1030. if (!ring_entry) {
  1031. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
  1032. "%s: Failed to get WBM ring entry",
  1033. __func__);
  1034. qdf_nbuf_free(nbuf);
  1035. break;
  1036. }
  1037. qdf_nbuf_map_single(soc->osdev, nbuf,
  1038. QDF_DMA_BIDIRECTIONAL);
  1039. buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);
  1040. qdf_mem_dp_tx_skb_cnt_inc();
  1041. qdf_mem_dp_tx_skb_inc(qdf_nbuf_get_end_offset(nbuf));
  1042. /*
  1043. * TODO - KIWI code can directly call the be handler
  1044. * instead of hal soc ops.
  1045. */
  1046. hal_rxdma_buff_addr_info_set(soc->hal_soc, ring_entry,
  1047. buffer_paddr, 0,
  1048. (IPA_TCL_DATA_RING_IDX +
  1049. soc->wbm_sw0_bm_id));
  1050. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[tx_buffer_count]
  1051. = (void *)nbuf;
  1052. }
  1053. hal_srng_access_end_unlocked(soc->hal_soc,
  1054. hal_srng_to_hal_ring_handle(wbm_srng));
  1055. soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt = tx_buffer_count;
  1056. if (tx_buffer_count) {
  1057. dp_info("IPA WDI TX buffer: %d allocated", tx_buffer_count);
  1058. } else {
  1059. dp_err("No IPA WDI TX buffer allocated!");
  1060. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  1061. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  1062. retval = -ENOMEM;
  1063. }
  1064. return retval;
  1065. }
  1066. /**
  1067. * dp_rx_ipa_uc_attach - Allocate autonomy RX resources
  1068. * @soc: data path instance
  1069. * @pdev: core txrx pdev context
  1070. *
  1071. * This function will attach a DP RX instance into the main
  1072. * device (SOC) context.
  1073. *
  1074. * Return: QDF_STATUS_SUCCESS: success
  1075. * QDF_STATUS_E_RESOURCES: Error return
  1076. */
  1077. static int dp_rx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  1078. {
  1079. return QDF_STATUS_SUCCESS;
  1080. }
  1081. int dp_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  1082. {
  1083. int error;
  1084. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1085. return QDF_STATUS_SUCCESS;
  1086. /* TX resource attach */
  1087. error = dp_tx_ipa_uc_attach(soc, pdev);
  1088. if (error) {
  1089. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1090. "%s: DP IPA UC TX attach fail code %d",
  1091. __func__, error);
  1092. return error;
  1093. }
  1094. /* Setup 2nd TX pipe */
  1095. error = dp_ipa_tx_alt_pool_attach(soc);
  1096. if (error) {
  1097. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1098. "%s: DP IPA TX pool2 attach fail code %d",
  1099. __func__, error);
  1100. dp_tx_ipa_uc_detach(soc, pdev);
  1101. return error;
  1102. }
  1103. /* RX resource attach */
  1104. error = dp_rx_ipa_uc_attach(soc, pdev);
  1105. if (error) {
  1106. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1107. "%s: DP IPA UC RX attach fail code %d",
  1108. __func__, error);
  1109. dp_ipa_tx_alt_pool_detach(soc, pdev);
  1110. dp_tx_ipa_uc_detach(soc, pdev);
  1111. return error;
  1112. }
  1113. return QDF_STATUS_SUCCESS; /* success */
  1114. }
  1115. /*
  1116. * dp_ipa_ring_resource_setup() - setup IPA ring resources
  1117. * @soc: data path SoC handle
  1118. *
  1119. * Return: none
  1120. */
  1121. int dp_ipa_ring_resource_setup(struct dp_soc *soc,
  1122. struct dp_pdev *pdev)
  1123. {
  1124. struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
  1125. struct hal_srng *hal_srng;
  1126. struct hal_srng_params srng_params;
  1127. qdf_dma_addr_t hp_addr;
  1128. unsigned long addr_offset, dev_base_paddr;
  1129. uint32_t ix0;
  1130. uint8_t ix0_map[8];
  1131. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1132. return QDF_STATUS_SUCCESS;
  1133. /* IPA TCL_DATA Ring - HAL_SRNG_SW2TCL3 */
  1134. hal_srng = (struct hal_srng *)
  1135. soc->tcl_data_ring[IPA_TCL_DATA_RING_IDX].hal_srng;
  1136. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1137. hal_srng_to_hal_ring_handle(hal_srng),
  1138. &srng_params);
  1139. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr =
  1140. srng_params.ring_base_paddr;
  1141. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr =
  1142. srng_params.ring_base_vaddr;
  1143. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size =
  1144. (srng_params.num_entries * srng_params.entry_size) << 2;
  1145. /*
  1146. * For the register backed memory addresses, use the scn->mem_pa to
  1147. * calculate the physical address of the shadow registers
  1148. */
  1149. dev_base_paddr =
  1150. (unsigned long)
  1151. ((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
  1152. addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
  1153. (unsigned long)(hal_soc->dev_base_addr);
  1154. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr =
  1155. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1156. dp_info("IPA TCL_DATA Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1157. (unsigned int)addr_offset,
  1158. (unsigned int)dev_base_paddr,
  1159. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr),
  1160. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  1161. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  1162. srng_params.num_entries,
  1163. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  1164. /* IPA TX COMP Ring - HAL_SRNG_WBM2SW2_RELEASE */
  1165. hal_srng = (struct hal_srng *)
  1166. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  1167. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1168. hal_srng_to_hal_ring_handle(hal_srng),
  1169. &srng_params);
  1170. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr =
  1171. srng_params.ring_base_paddr;
  1172. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr =
  1173. srng_params.ring_base_vaddr;
  1174. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size =
  1175. (srng_params.num_entries * srng_params.entry_size) << 2;
  1176. soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr =
  1177. hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  1178. hal_srng_to_hal_ring_handle(hal_srng));
  1179. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  1180. (unsigned long)(hal_soc->dev_base_addr);
  1181. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr =
  1182. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1183. 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)",
  1184. (unsigned int)addr_offset,
  1185. (unsigned int)dev_base_paddr,
  1186. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr),
  1187. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  1188. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  1189. srng_params.num_entries,
  1190. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  1191. dp_ipa_tx_alt_ring_resource_setup(soc);
  1192. /* IPA REO_DEST Ring - HAL_SRNG_REO2SW4 */
  1193. hal_srng = (struct hal_srng *)
  1194. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  1195. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1196. hal_srng_to_hal_ring_handle(hal_srng),
  1197. &srng_params);
  1198. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr =
  1199. srng_params.ring_base_paddr;
  1200. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr =
  1201. srng_params.ring_base_vaddr;
  1202. soc->ipa_uc_rx_rsc.ipa_reo_ring_size =
  1203. (srng_params.num_entries * srng_params.entry_size) << 2;
  1204. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  1205. (unsigned long)(hal_soc->dev_base_addr);
  1206. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr =
  1207. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1208. dp_info("IPA REO_DEST Ring addr_offset=%x, dev_base_paddr=%x, tp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1209. (unsigned int)addr_offset,
  1210. (unsigned int)dev_base_paddr,
  1211. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr),
  1212. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  1213. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  1214. srng_params.num_entries,
  1215. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  1216. hal_srng = (struct hal_srng *)
  1217. pdev->rx_refill_buf_ring2.hal_srng;
  1218. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1219. hal_srng_to_hal_ring_handle(hal_srng),
  1220. &srng_params);
  1221. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr =
  1222. srng_params.ring_base_paddr;
  1223. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr =
  1224. srng_params.ring_base_vaddr;
  1225. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size =
  1226. (srng_params.num_entries * srng_params.entry_size) << 2;
  1227. hp_addr = hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  1228. hal_srng_to_hal_ring_handle(hal_srng));
  1229. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr =
  1230. qdf_mem_paddr_from_dmaaddr(soc->osdev, hp_addr);
  1231. dp_info("IPA REFILL_BUF Ring hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1232. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr),
  1233. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  1234. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  1235. srng_params.num_entries,
  1236. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  1237. /*
  1238. * Set DEST_RING_MAPPING_4 to SW2 as default value for
  1239. * DESTINATION_RING_CTRL_IX_0.
  1240. */
  1241. ix0_map[0] = REO_REMAP_SW1;
  1242. ix0_map[1] = REO_REMAP_SW1;
  1243. ix0_map[2] = REO_REMAP_SW2;
  1244. ix0_map[3] = REO_REMAP_SW3;
  1245. ix0_map[4] = REO_REMAP_SW2;
  1246. ix0_map[5] = REO_REMAP_RELEASE;
  1247. ix0_map[6] = REO_REMAP_FW;
  1248. ix0_map[7] = REO_REMAP_FW;
  1249. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1250. ix0_map);
  1251. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL, NULL, NULL);
  1252. return 0;
  1253. }
  1254. QDF_STATUS dp_ipa_get_resource(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1255. {
  1256. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1257. struct dp_pdev *pdev =
  1258. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1259. struct dp_ipa_resources *ipa_res;
  1260. if (!pdev) {
  1261. dp_err("Invalid instance");
  1262. return QDF_STATUS_E_FAILURE;
  1263. }
  1264. ipa_res = &pdev->ipa_resource;
  1265. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1266. return QDF_STATUS_SUCCESS;
  1267. ipa_res->tx_num_alloc_buffer =
  1268. (uint32_t)soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;
  1269. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_ring,
  1270. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  1271. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  1272. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  1273. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_comp_ring,
  1274. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  1275. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  1276. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  1277. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->rx_rdy_ring,
  1278. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  1279. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  1280. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  1281. dp_ipa_get_shared_mem_info(
  1282. soc->osdev, &ipa_res->rx_refill_ring,
  1283. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  1284. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  1285. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  1286. if (!qdf_mem_get_dma_addr(soc->osdev, &ipa_res->tx_ring.mem_info) ||
  1287. !qdf_mem_get_dma_addr(soc->osdev,
  1288. &ipa_res->tx_comp_ring.mem_info) ||
  1289. !qdf_mem_get_dma_addr(soc->osdev, &ipa_res->rx_rdy_ring.mem_info) ||
  1290. !qdf_mem_get_dma_addr(soc->osdev,
  1291. &ipa_res->rx_refill_ring.mem_info))
  1292. return QDF_STATUS_E_FAILURE;
  1293. if (dp_ipa_tx_alt_ring_get_resource(pdev))
  1294. return QDF_STATUS_E_FAILURE;
  1295. return QDF_STATUS_SUCCESS;
  1296. }
  1297. #ifdef IPA_SET_RESET_TX_DB_PA
  1298. #define DP_IPA_SET_TX_DB_PADDR(soc, ipa_res)
  1299. #else
  1300. #define DP_IPA_SET_TX_DB_PADDR(soc, ipa_res) \
  1301. dp_ipa_set_tx_doorbell_paddr(soc, ipa_res)
  1302. #endif
  1303. QDF_STATUS dp_ipa_set_doorbell_paddr(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1304. {
  1305. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1306. struct dp_pdev *pdev =
  1307. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1308. struct dp_ipa_resources *ipa_res;
  1309. struct hal_srng *reo_srng = (struct hal_srng *)
  1310. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  1311. if (!pdev) {
  1312. dp_err("Invalid instance");
  1313. return QDF_STATUS_E_FAILURE;
  1314. }
  1315. ipa_res = &pdev->ipa_resource;
  1316. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1317. return QDF_STATUS_SUCCESS;
  1318. dp_ipa_map_ring_doorbell_paddr(pdev);
  1319. DP_IPA_SET_TX_DB_PADDR(soc, ipa_res);
  1320. /*
  1321. * For RX, REO module on Napier/Hastings does reordering on incoming
  1322. * Ethernet packets and writes one or more descriptors to REO2IPA Rx
  1323. * ring.It then updates the ring’s Write/Head ptr and rings a doorbell
  1324. * to IPA.
  1325. * Set the doorbell addr for the REO ring.
  1326. */
  1327. hal_srng_dst_set_hp_paddr_confirm(reo_srng,
  1328. ipa_res->rx_ready_doorbell_paddr);
  1329. return QDF_STATUS_SUCCESS;
  1330. }
  1331. QDF_STATUS dp_ipa_iounmap_doorbell_vaddr(struct cdp_soc_t *soc_hdl,
  1332. uint8_t pdev_id)
  1333. {
  1334. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1335. struct dp_pdev *pdev =
  1336. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1337. struct dp_ipa_resources *ipa_res;
  1338. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1339. return QDF_STATUS_SUCCESS;
  1340. if (!pdev) {
  1341. dp_err("Invalid instance");
  1342. return QDF_STATUS_E_FAILURE;
  1343. }
  1344. ipa_res = &pdev->ipa_resource;
  1345. if (!ipa_res->is_db_ddr_mapped)
  1346. iounmap(ipa_res->tx_comp_doorbell_vaddr);
  1347. return QDF_STATUS_SUCCESS;
  1348. }
  1349. QDF_STATUS dp_ipa_op_response(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1350. uint8_t *op_msg)
  1351. {
  1352. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1353. struct dp_pdev *pdev =
  1354. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1355. if (!pdev) {
  1356. dp_err("Invalid instance");
  1357. return QDF_STATUS_E_FAILURE;
  1358. }
  1359. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  1360. return QDF_STATUS_SUCCESS;
  1361. if (pdev->ipa_uc_op_cb) {
  1362. pdev->ipa_uc_op_cb(op_msg, pdev->usr_ctxt);
  1363. } else {
  1364. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1365. "%s: IPA callback function is not registered", __func__);
  1366. qdf_mem_free(op_msg);
  1367. return QDF_STATUS_E_FAILURE;
  1368. }
  1369. return QDF_STATUS_SUCCESS;
  1370. }
  1371. QDF_STATUS dp_ipa_register_op_cb(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1372. ipa_uc_op_cb_type op_cb,
  1373. void *usr_ctxt)
  1374. {
  1375. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1376. struct dp_pdev *pdev =
  1377. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1378. if (!pdev) {
  1379. dp_err("Invalid instance");
  1380. return QDF_STATUS_E_FAILURE;
  1381. }
  1382. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  1383. return QDF_STATUS_SUCCESS;
  1384. pdev->ipa_uc_op_cb = op_cb;
  1385. pdev->usr_ctxt = usr_ctxt;
  1386. return QDF_STATUS_SUCCESS;
  1387. }
  1388. void dp_ipa_deregister_op_cb(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1389. {
  1390. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1391. struct dp_pdev *pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1392. if (!pdev) {
  1393. dp_err("Invalid instance");
  1394. return;
  1395. }
  1396. dp_debug("Deregister OP handler callback");
  1397. pdev->ipa_uc_op_cb = NULL;
  1398. pdev->usr_ctxt = NULL;
  1399. }
  1400. QDF_STATUS dp_ipa_get_stat(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1401. {
  1402. /* TBD */
  1403. return QDF_STATUS_SUCCESS;
  1404. }
  1405. /**
  1406. * dp_tx_send_ipa_data_frame() - send IPA data frame
  1407. * @soc_hdl: datapath soc handle
  1408. * @vdev_id: id of the virtual device
  1409. * @skb: skb to transmit
  1410. *
  1411. * Return: skb/ NULL is for success
  1412. */
  1413. qdf_nbuf_t dp_tx_send_ipa_data_frame(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  1414. qdf_nbuf_t skb)
  1415. {
  1416. qdf_nbuf_t ret;
  1417. /* Terminate the (single-element) list of tx frames */
  1418. qdf_nbuf_set_next(skb, NULL);
  1419. ret = dp_tx_send(soc_hdl, vdev_id, skb);
  1420. if (ret) {
  1421. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1422. "%s: Failed to tx", __func__);
  1423. return ret;
  1424. }
  1425. return NULL;
  1426. }
  1427. #ifdef QCA_IPA_LL_TX_FLOW_CONTROL
  1428. /**
  1429. * dp_ipa_is_target_ready() - check if target is ready or not
  1430. * @soc: datapath soc handle
  1431. *
  1432. * Return: true if target is ready
  1433. */
  1434. static inline
  1435. bool dp_ipa_is_target_ready(struct dp_soc *soc)
  1436. {
  1437. if (hif_get_target_status(soc->hif_handle) == TARGET_STATUS_RESET)
  1438. return false;
  1439. else
  1440. return true;
  1441. }
  1442. #else
  1443. static inline
  1444. bool dp_ipa_is_target_ready(struct dp_soc *soc)
  1445. {
  1446. return true;
  1447. }
  1448. #endif
  1449. QDF_STATUS dp_ipa_enable_autonomy(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1450. {
  1451. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1452. struct dp_pdev *pdev =
  1453. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1454. uint32_t ix0;
  1455. uint32_t ix2;
  1456. uint8_t ix_map[8];
  1457. if (!pdev) {
  1458. dp_err("Invalid instance");
  1459. return QDF_STATUS_E_FAILURE;
  1460. }
  1461. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1462. return QDF_STATUS_SUCCESS;
  1463. if (!hif_is_target_ready(HIF_GET_SOFTC(soc->hif_handle)))
  1464. return QDF_STATUS_E_AGAIN;
  1465. if (!dp_ipa_is_target_ready(soc))
  1466. return QDF_STATUS_E_AGAIN;
  1467. /* Call HAL API to remap REO rings to REO2IPA ring */
  1468. ix_map[0] = REO_REMAP_SW1;
  1469. ix_map[1] = REO_REMAP_SW4;
  1470. ix_map[2] = REO_REMAP_SW1;
  1471. ix_map[3] = REO_REMAP_SW4;
  1472. ix_map[4] = REO_REMAP_SW4;
  1473. ix_map[5] = REO_REMAP_RELEASE;
  1474. ix_map[6] = REO_REMAP_FW;
  1475. ix_map[7] = REO_REMAP_FW;
  1476. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1477. ix_map);
  1478. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  1479. ix_map[0] = REO_REMAP_SW4;
  1480. ix_map[1] = REO_REMAP_SW4;
  1481. ix_map[2] = REO_REMAP_SW4;
  1482. ix_map[3] = REO_REMAP_SW4;
  1483. ix_map[4] = REO_REMAP_SW4;
  1484. ix_map[5] = REO_REMAP_SW4;
  1485. ix_map[6] = REO_REMAP_SW4;
  1486. ix_map[7] = REO_REMAP_SW4;
  1487. ix2 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX2,
  1488. ix_map);
  1489. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1490. &ix2, &ix2);
  1491. dp_ipa_reo_remap_history_add(ix0, ix2, ix2);
  1492. } else {
  1493. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1494. NULL, NULL);
  1495. dp_ipa_reo_remap_history_add(ix0, 0, 0);
  1496. }
  1497. return QDF_STATUS_SUCCESS;
  1498. }
  1499. QDF_STATUS dp_ipa_disable_autonomy(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1500. {
  1501. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1502. struct dp_pdev *pdev =
  1503. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1504. uint8_t ix0_map[8];
  1505. uint32_t ix0;
  1506. uint32_t ix1;
  1507. uint32_t ix2;
  1508. uint32_t ix3;
  1509. if (!pdev) {
  1510. dp_err("Invalid instance");
  1511. return QDF_STATUS_E_FAILURE;
  1512. }
  1513. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1514. return QDF_STATUS_SUCCESS;
  1515. if (!hif_is_target_ready(HIF_GET_SOFTC(soc->hif_handle)))
  1516. return QDF_STATUS_E_AGAIN;
  1517. if (!dp_ipa_is_target_ready(soc))
  1518. return QDF_STATUS_E_AGAIN;
  1519. ix0_map[0] = REO_REMAP_SW1;
  1520. ix0_map[1] = REO_REMAP_SW1;
  1521. ix0_map[2] = REO_REMAP_SW2;
  1522. ix0_map[3] = REO_REMAP_SW3;
  1523. ix0_map[4] = REO_REMAP_SW2;
  1524. ix0_map[5] = REO_REMAP_RELEASE;
  1525. ix0_map[6] = REO_REMAP_FW;
  1526. ix0_map[7] = REO_REMAP_FW;
  1527. /* Call HAL API to remap REO rings to REO2IPA ring */
  1528. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1529. ix0_map);
  1530. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  1531. dp_reo_remap_config(soc, &ix1, &ix2, &ix3);
  1532. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1533. &ix2, &ix3);
  1534. dp_ipa_reo_remap_history_add(ix0, ix2, ix3);
  1535. } else {
  1536. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1537. NULL, NULL);
  1538. dp_ipa_reo_remap_history_add(ix0, 0, 0);
  1539. }
  1540. return QDF_STATUS_SUCCESS;
  1541. }
  1542. /* This should be configurable per H/W configuration enable status */
  1543. #define L3_HEADER_PADDING 2
  1544. #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)) || \
  1545. defined(CONFIG_IPA_WDI_UNIFIED_API)
  1546. #if !defined(QCA_LL_TX_FLOW_CONTROL_V2) && !defined(QCA_IPA_LL_TX_FLOW_CONTROL)
  1547. static inline void dp_setup_mcc_sys_pipes(
  1548. qdf_ipa_sys_connect_params_t *sys_in,
  1549. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  1550. {
  1551. int i = 0;
  1552. /* Setup MCC sys pipe */
  1553. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) =
  1554. DP_IPA_MAX_IFACE;
  1555. for (i = 0; i < DP_IPA_MAX_IFACE; i++)
  1556. memcpy(&QDF_IPA_WDI_CONN_IN_PARAMS_SYS_IN(pipe_in)[i],
  1557. &sys_in[i], sizeof(qdf_ipa_sys_connect_params_t));
  1558. }
  1559. #else
  1560. static inline void dp_setup_mcc_sys_pipes(
  1561. qdf_ipa_sys_connect_params_t *sys_in,
  1562. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  1563. {
  1564. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) = 0;
  1565. }
  1566. #endif
  1567. static void dp_ipa_wdi_tx_params(struct dp_soc *soc,
  1568. struct dp_ipa_resources *ipa_res,
  1569. qdf_ipa_wdi_pipe_setup_info_t *tx,
  1570. bool over_gsi)
  1571. {
  1572. if (over_gsi)
  1573. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS;
  1574. else
  1575. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  1576. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  1577. qdf_mem_get_dma_addr(soc->osdev,
  1578. &ipa_res->tx_comp_ring.mem_info);
  1579. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  1580. qdf_mem_get_dma_size(soc->osdev,
  1581. &ipa_res->tx_comp_ring.mem_info);
  1582. /* WBM Tail Pointer Address */
  1583. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  1584. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1585. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  1586. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  1587. qdf_mem_get_dma_addr(soc->osdev,
  1588. &ipa_res->tx_ring.mem_info);
  1589. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  1590. qdf_mem_get_dma_size(soc->osdev,
  1591. &ipa_res->tx_ring.mem_info);
  1592. /* TCL Head Pointer Address */
  1593. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  1594. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1595. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  1596. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  1597. ipa_res->tx_num_alloc_buffer;
  1598. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  1599. }
  1600. static void dp_ipa_wdi_rx_params(struct dp_soc *soc,
  1601. struct dp_ipa_resources *ipa_res,
  1602. qdf_ipa_wdi_pipe_setup_info_t *rx,
  1603. bool over_gsi)
  1604. {
  1605. if (over_gsi)
  1606. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  1607. IPA_CLIENT_WLAN2_PROD;
  1608. else
  1609. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  1610. IPA_CLIENT_WLAN1_PROD;
  1611. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  1612. qdf_mem_get_dma_addr(soc->osdev,
  1613. &ipa_res->rx_rdy_ring.mem_info);
  1614. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  1615. qdf_mem_get_dma_size(soc->osdev,
  1616. &ipa_res->rx_rdy_ring.mem_info);
  1617. /* REO Tail Pointer Address */
  1618. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  1619. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1620. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(rx) = true;
  1621. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  1622. qdf_mem_get_dma_addr(soc->osdev,
  1623. &ipa_res->rx_refill_ring.mem_info);
  1624. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  1625. qdf_mem_get_dma_size(soc->osdev,
  1626. &ipa_res->rx_refill_ring.mem_info);
  1627. /* FW Head Pointer Address */
  1628. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  1629. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1630. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(rx) = false;
  1631. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) =
  1632. soc->rx_pkt_tlv_size + L3_HEADER_PADDING;
  1633. }
  1634. static void
  1635. dp_ipa_wdi_tx_smmu_params(struct dp_soc *soc,
  1636. struct dp_ipa_resources *ipa_res,
  1637. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu,
  1638. bool over_gsi,
  1639. qdf_ipa_wdi_hdl_t hdl)
  1640. {
  1641. if (over_gsi) {
  1642. if (hdl == DP_IPA_HDL_FIRST)
  1643. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1644. IPA_CLIENT_WLAN2_CONS;
  1645. else if (hdl == DP_IPA_HDL_SECOND)
  1646. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1647. IPA_CLIENT_WLAN4_CONS;
  1648. } else {
  1649. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1650. IPA_CLIENT_WLAN1_CONS;
  1651. }
  1652. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  1653. &ipa_res->tx_comp_ring.sgtable,
  1654. sizeof(sgtable_t));
  1655. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  1656. qdf_mem_get_dma_size(soc->osdev,
  1657. &ipa_res->tx_comp_ring.mem_info);
  1658. /* WBM Tail Pointer Address */
  1659. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  1660. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1661. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  1662. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  1663. &ipa_res->tx_ring.sgtable,
  1664. sizeof(sgtable_t));
  1665. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  1666. qdf_mem_get_dma_size(soc->osdev,
  1667. &ipa_res->tx_ring.mem_info);
  1668. /* TCL Head Pointer Address */
  1669. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  1670. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1671. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  1672. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  1673. ipa_res->tx_num_alloc_buffer;
  1674. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  1675. }
  1676. static void
  1677. dp_ipa_wdi_rx_smmu_params(struct dp_soc *soc,
  1678. struct dp_ipa_resources *ipa_res,
  1679. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu,
  1680. bool over_gsi,
  1681. qdf_ipa_wdi_hdl_t hdl)
  1682. {
  1683. if (over_gsi) {
  1684. if (hdl == DP_IPA_HDL_FIRST)
  1685. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1686. IPA_CLIENT_WLAN2_PROD;
  1687. else if (hdl == DP_IPA_HDL_SECOND)
  1688. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1689. IPA_CLIENT_WLAN3_PROD;
  1690. } else {
  1691. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1692. IPA_CLIENT_WLAN1_PROD;
  1693. }
  1694. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(rx_smmu),
  1695. &ipa_res->rx_rdy_ring.sgtable,
  1696. sizeof(sgtable_t));
  1697. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(rx_smmu) =
  1698. qdf_mem_get_dma_size(soc->osdev,
  1699. &ipa_res->rx_rdy_ring.mem_info);
  1700. /* REO Tail Pointer Address */
  1701. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(rx_smmu) =
  1702. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1703. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(rx_smmu) = true;
  1704. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(rx_smmu),
  1705. &ipa_res->rx_refill_ring.sgtable,
  1706. sizeof(sgtable_t));
  1707. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(rx_smmu) =
  1708. qdf_mem_get_dma_size(soc->osdev,
  1709. &ipa_res->rx_refill_ring.mem_info);
  1710. /* FW Head Pointer Address */
  1711. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(rx_smmu) =
  1712. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1713. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(rx_smmu) = false;
  1714. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(rx_smmu) =
  1715. soc->rx_pkt_tlv_size + L3_HEADER_PADDING;
  1716. }
  1717. QDF_STATUS dp_ipa_setup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1718. void *ipa_i2w_cb, void *ipa_w2i_cb,
  1719. void *ipa_wdi_meter_notifier_cb,
  1720. uint32_t ipa_desc_size, void *ipa_priv,
  1721. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1722. uint32_t *rx_pipe_handle, bool is_smmu_enabled,
  1723. qdf_ipa_sys_connect_params_t *sys_in, bool over_gsi,
  1724. qdf_ipa_wdi_hdl_t hdl, qdf_ipa_wdi_hdl_t id)
  1725. {
  1726. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1727. struct dp_pdev *pdev =
  1728. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1729. struct dp_ipa_resources *ipa_res;
  1730. qdf_ipa_ep_cfg_t *tx_cfg;
  1731. qdf_ipa_ep_cfg_t *rx_cfg;
  1732. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  1733. qdf_ipa_wdi_pipe_setup_info_t *rx = NULL;
  1734. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu;
  1735. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu = NULL;
  1736. qdf_ipa_wdi_conn_in_params_t *pipe_in = NULL;
  1737. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1738. int ret;
  1739. if (!pdev) {
  1740. dp_err("Invalid instance");
  1741. return QDF_STATUS_E_FAILURE;
  1742. }
  1743. ipa_res = &pdev->ipa_resource;
  1744. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1745. return QDF_STATUS_SUCCESS;
  1746. pipe_in = qdf_mem_malloc(sizeof(*pipe_in));
  1747. if (!pipe_in)
  1748. return QDF_STATUS_E_NOMEM;
  1749. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  1750. if (is_smmu_enabled)
  1751. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in) = true;
  1752. else
  1753. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in) = false;
  1754. dp_setup_mcc_sys_pipes(sys_in, pipe_in);
  1755. /* TX PIPE */
  1756. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in)) {
  1757. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_SMMU(pipe_in);
  1758. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  1759. } else {
  1760. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(pipe_in);
  1761. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(tx);
  1762. }
  1763. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  1764. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1765. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  1766. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  1767. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  1768. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  1769. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  1770. /**
  1771. * Transfer Ring: WBM Ring
  1772. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  1773. * Event Ring: TCL ring
  1774. * Event Ring Doorbell PA: TCL Head Pointer Address
  1775. */
  1776. if (is_smmu_enabled)
  1777. dp_ipa_wdi_tx_smmu_params(soc, ipa_res, tx_smmu, over_gsi, id);
  1778. else
  1779. dp_ipa_wdi_tx_params(soc, ipa_res, tx, over_gsi);
  1780. dp_ipa_setup_tx_alt_pipe(soc, ipa_res, pipe_in);
  1781. /* RX PIPE */
  1782. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in)) {
  1783. rx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_RX_SMMU(pipe_in);
  1784. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(rx_smmu);
  1785. } else {
  1786. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(pipe_in);
  1787. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(rx);
  1788. }
  1789. QDF_IPA_EP_CFG_NAT_EN(rx_cfg) = IPA_BYPASS_NAT;
  1790. QDF_IPA_EP_CFG_HDR_LEN(rx_cfg) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  1791. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(rx_cfg) = 1;
  1792. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(rx_cfg) = 0;
  1793. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(rx_cfg) = 0;
  1794. QDF_IPA_EP_CFG_HDR_OFST_METADATA_VALID(rx_cfg) = 0;
  1795. QDF_IPA_EP_CFG_HDR_METADATA_REG_VALID(rx_cfg) = 1;
  1796. QDF_IPA_EP_CFG_MODE(rx_cfg) = IPA_BASIC;
  1797. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(rx_cfg) = true;
  1798. /**
  1799. * Transfer Ring: REO Ring
  1800. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  1801. * Event Ring: FW ring
  1802. * Event Ring Doorbell PA: FW Head Pointer Address
  1803. */
  1804. if (is_smmu_enabled)
  1805. dp_ipa_wdi_rx_smmu_params(soc, ipa_res, rx_smmu, over_gsi, id);
  1806. else
  1807. dp_ipa_wdi_rx_params(soc, ipa_res, rx, over_gsi);
  1808. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(pipe_in) = ipa_w2i_cb;
  1809. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(pipe_in) = ipa_priv;
  1810. QDF_IPA_WDI_CONN_IN_PARAMS_HANDLE(pipe_in) = hdl;
  1811. /* Connect WDI IPA PIPEs */
  1812. ret = qdf_ipa_wdi_conn_pipes(pipe_in, &pipe_out);
  1813. if (ret) {
  1814. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1815. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  1816. __func__, ret);
  1817. qdf_mem_free(pipe_in);
  1818. return QDF_STATUS_E_FAILURE;
  1819. }
  1820. /* IPA uC Doorbell registers */
  1821. dp_info("Tx DB PA=0x%x, Rx DB PA=0x%x",
  1822. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1823. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1824. dp_ipa_set_pipe_db(ipa_res, &pipe_out);
  1825. ipa_res->is_db_ddr_mapped =
  1826. QDF_IPA_WDI_CONN_OUT_PARAMS_IS_DB_DDR_MAPPED(&pipe_out);
  1827. soc->ipa_first_tx_db_access = true;
  1828. qdf_mem_free(pipe_in);
  1829. qdf_spinlock_create(&soc->ipa_rx_buf_map_lock);
  1830. soc->ipa_rx_buf_map_lock_initialized = true;
  1831. return QDF_STATUS_SUCCESS;
  1832. }
  1833. /**
  1834. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1835. * @ifname: Interface name
  1836. * @mac_addr: Interface MAC address
  1837. * @prod_client: IPA prod client type
  1838. * @cons_client: IPA cons client type
  1839. * @session_id: Session ID
  1840. * @is_ipv6_enabled: Is IPV6 enabled or not
  1841. * @hdl: IPA handle
  1842. *
  1843. * Return: QDF_STATUS
  1844. */
  1845. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1846. qdf_ipa_client_type_t prod_client,
  1847. qdf_ipa_client_type_t cons_client,
  1848. uint8_t session_id, bool is_ipv6_enabled,
  1849. qdf_ipa_wdi_hdl_t hdl)
  1850. {
  1851. qdf_ipa_wdi_reg_intf_in_params_t in;
  1852. qdf_ipa_wdi_hdr_info_t hdr_info;
  1853. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1854. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1855. int ret = -EINVAL;
  1856. qdf_mem_zero(&in, sizeof(qdf_ipa_wdi_reg_intf_in_params_t));
  1857. dp_debug("Add Partial hdr: %s, "QDF_MAC_ADDR_FMT, ifname,
  1858. QDF_MAC_ADDR_REF(mac_addr));
  1859. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1860. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1861. /* IPV4 header */
  1862. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1863. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1864. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1865. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1866. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1867. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1868. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1869. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1870. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1871. QDF_IPA_WDI_REG_INTF_IN_PARAMS_ALT_DST_PIPE(&in) = cons_client;
  1872. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1873. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1874. QDF_IPA_WDI_REG_INTF_IN_PARAMS_HANDLE(&in) = hdl;
  1875. dp_ipa_setup_iface_session_id(&in, session_id);
  1876. /* IPV6 header */
  1877. if (is_ipv6_enabled) {
  1878. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1879. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1880. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1881. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1882. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1883. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1884. }
  1885. dp_debug("registering for session_id: %u", session_id);
  1886. ret = qdf_ipa_wdi_reg_intf(&in);
  1887. if (ret) {
  1888. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1889. "%s: ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1890. __func__, ret);
  1891. return QDF_STATUS_E_FAILURE;
  1892. }
  1893. return QDF_STATUS_SUCCESS;
  1894. }
  1895. #else /* !CONFIG_IPA_WDI_UNIFIED_API */
  1896. QDF_STATUS dp_ipa_setup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1897. void *ipa_i2w_cb, void *ipa_w2i_cb,
  1898. void *ipa_wdi_meter_notifier_cb,
  1899. uint32_t ipa_desc_size, void *ipa_priv,
  1900. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1901. uint32_t *rx_pipe_handle)
  1902. {
  1903. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1904. struct dp_pdev *pdev =
  1905. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1906. struct dp_ipa_resources *ipa_res;
  1907. qdf_ipa_wdi_pipe_setup_info_t *tx;
  1908. qdf_ipa_wdi_pipe_setup_info_t *rx;
  1909. qdf_ipa_wdi_conn_in_params_t pipe_in;
  1910. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1911. struct tcl_data_cmd *tcl_desc_ptr;
  1912. uint8_t *desc_addr;
  1913. uint32_t desc_size;
  1914. int ret;
  1915. if (!pdev) {
  1916. dp_err("Invalid instance");
  1917. return QDF_STATUS_E_FAILURE;
  1918. }
  1919. ipa_res = &pdev->ipa_resource;
  1920. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1921. return QDF_STATUS_SUCCESS;
  1922. qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1923. qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1924. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  1925. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  1926. /* TX PIPE */
  1927. /**
  1928. * Transfer Ring: WBM Ring
  1929. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  1930. * Event Ring: TCL ring
  1931. * Event Ring Doorbell PA: TCL Head Pointer Address
  1932. */
  1933. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  1934. QDF_IPA_WDI_SETUP_INFO_NAT_EN(tx) = IPA_BYPASS_NAT;
  1935. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(tx) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1936. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(tx) = 0;
  1937. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(tx) = 0;
  1938. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(tx) = 0;
  1939. QDF_IPA_WDI_SETUP_INFO_MODE(tx) = IPA_BASIC;
  1940. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(tx) = true;
  1941. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  1942. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  1943. ipa_res->tx_comp_ring_base_paddr;
  1944. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  1945. ipa_res->tx_comp_ring_size;
  1946. /* WBM Tail Pointer Address */
  1947. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  1948. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1949. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  1950. ipa_res->tx_ring_base_paddr;
  1951. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) = ipa_res->tx_ring_size;
  1952. /* TCL Head Pointer Address */
  1953. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  1954. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1955. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  1956. ipa_res->tx_num_alloc_buffer;
  1957. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  1958. /* Preprogram TCL descriptor */
  1959. desc_addr =
  1960. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  1961. desc_size = sizeof(struct tcl_data_cmd);
  1962. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  1963. tcl_desc_ptr = (struct tcl_data_cmd *)
  1964. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  1965. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  1966. HAL_RX_BUF_RBM_SW2_BM;
  1967. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  1968. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  1969. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  1970. /* RX PIPE */
  1971. /**
  1972. * Transfer Ring: REO Ring
  1973. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  1974. * Event Ring: FW ring
  1975. * Event Ring Doorbell PA: FW Head Pointer Address
  1976. */
  1977. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  1978. QDF_IPA_WDI_SETUP_INFO_NAT_EN(rx) = IPA_BYPASS_NAT;
  1979. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(rx) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  1980. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(rx) = 0;
  1981. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(rx) = 0;
  1982. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(rx) = 0;
  1983. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_METADATA_VALID(rx) = 0;
  1984. QDF_IPA_WDI_SETUP_INFO_HDR_METADATA_REG_VALID(rx) = 1;
  1985. QDF_IPA_WDI_SETUP_INFO_MODE(rx) = IPA_BASIC;
  1986. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(rx) = true;
  1987. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) = IPA_CLIENT_WLAN1_PROD;
  1988. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  1989. ipa_res->rx_rdy_ring_base_paddr;
  1990. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  1991. ipa_res->rx_rdy_ring_size;
  1992. /* REO Tail Pointer Address */
  1993. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  1994. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1995. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  1996. ipa_res->rx_refill_ring_base_paddr;
  1997. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  1998. ipa_res->rx_refill_ring_size;
  1999. /* FW Head Pointer Address */
  2000. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  2001. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  2002. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) = soc->rx_pkt_tlv_size +
  2003. L3_HEADER_PADDING;
  2004. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  2005. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  2006. /* Connect WDI IPA PIPE */
  2007. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  2008. if (ret) {
  2009. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2010. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  2011. __func__, ret);
  2012. return QDF_STATUS_E_FAILURE;
  2013. }
  2014. /* IPA uC Doorbell registers */
  2015. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2016. "%s: Tx DB PA=0x%x, Rx DB PA=0x%x",
  2017. __func__,
  2018. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  2019. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  2020. ipa_res->tx_comp_doorbell_paddr =
  2021. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  2022. ipa_res->tx_comp_doorbell_vaddr =
  2023. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_VA(&pipe_out);
  2024. ipa_res->rx_ready_doorbell_paddr =
  2025. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  2026. soc->ipa_first_tx_db_access = true;
  2027. qdf_spinlock_create(&soc->ipa_rx_buf_map_lock);
  2028. soc->ipa_rx_buf_map_lock_initialized = true;
  2029. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2030. "%s: Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  2031. __func__,
  2032. "transfer_ring_base_pa",
  2033. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
  2034. "transfer_ring_size",
  2035. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
  2036. "transfer_ring_doorbell_pa",
  2037. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
  2038. "event_ring_base_pa",
  2039. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
  2040. "event_ring_size",
  2041. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
  2042. "event_ring_doorbell_pa",
  2043. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
  2044. "num_pkt_buffers",
  2045. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
  2046. "tx_comp_doorbell_paddr",
  2047. (void *)ipa_res->tx_comp_doorbell_paddr);
  2048. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2049. "%s: Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  2050. __func__,
  2051. "transfer_ring_base_pa",
  2052. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
  2053. "transfer_ring_size",
  2054. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
  2055. "transfer_ring_doorbell_pa",
  2056. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
  2057. "event_ring_base_pa",
  2058. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
  2059. "event_ring_size",
  2060. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
  2061. "event_ring_doorbell_pa",
  2062. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
  2063. "num_pkt_buffers",
  2064. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
  2065. "tx_comp_doorbell_paddr",
  2066. (void *)ipa_res->rx_ready_doorbell_paddr);
  2067. return QDF_STATUS_SUCCESS;
  2068. }
  2069. /**
  2070. * dp_ipa_setup_iface() - Setup IPA header and register interface
  2071. * @ifname: Interface name
  2072. * @mac_addr: Interface MAC address
  2073. * @prod_client: IPA prod client type
  2074. * @cons_client: IPA cons client type
  2075. * @session_id: Session ID
  2076. * @is_ipv6_enabled: Is IPV6 enabled or not
  2077. * @hdl: IPA handle
  2078. *
  2079. * Return: QDF_STATUS
  2080. */
  2081. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  2082. qdf_ipa_client_type_t prod_client,
  2083. qdf_ipa_client_type_t cons_client,
  2084. uint8_t session_id, bool is_ipv6_enabled,
  2085. qdf_ipa_wdi_hdl_t hdl)
  2086. {
  2087. qdf_ipa_wdi_reg_intf_in_params_t in;
  2088. qdf_ipa_wdi_hdr_info_t hdr_info;
  2089. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  2090. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  2091. int ret = -EINVAL;
  2092. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2093. "%s: Add Partial hdr: %s, "QDF_MAC_ADDR_FMT,
  2094. __func__, ifname, QDF_MAC_ADDR_REF(mac_addr));
  2095. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2096. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  2097. /* IPV4 header */
  2098. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  2099. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  2100. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  2101. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  2102. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  2103. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  2104. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  2105. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  2106. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2107. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  2108. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  2109. htonl(session_id << 16);
  2110. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  2111. /* IPV6 header */
  2112. if (is_ipv6_enabled) {
  2113. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  2114. DP_IPA_UC_WLAN_TX_HDR_LEN);
  2115. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  2116. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  2117. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  2118. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2119. }
  2120. ret = qdf_ipa_wdi_reg_intf(&in);
  2121. if (ret) {
  2122. dp_err("ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  2123. ret);
  2124. return QDF_STATUS_E_FAILURE;
  2125. }
  2126. return QDF_STATUS_SUCCESS;
  2127. }
  2128. #endif /* CONFIG_IPA_WDI_UNIFIED_API */
  2129. /**
  2130. * dp_ipa_cleanup() - Disconnect IPA pipes
  2131. * @soc_hdl: dp soc handle
  2132. * @pdev_id: dp pdev id
  2133. * @tx_pipe_handle: Tx pipe handle
  2134. * @rx_pipe_handle: Rx pipe handle
  2135. * @hdl: IPA handle
  2136. *
  2137. * Return: QDF_STATUS
  2138. */
  2139. QDF_STATUS dp_ipa_cleanup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2140. uint32_t tx_pipe_handle, uint32_t rx_pipe_handle,
  2141. qdf_ipa_wdi_hdl_t hdl)
  2142. {
  2143. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2144. QDF_STATUS status = QDF_STATUS_SUCCESS;
  2145. struct dp_pdev *pdev;
  2146. int ret;
  2147. ret = qdf_ipa_wdi_disconn_pipes(hdl);
  2148. if (ret) {
  2149. dp_err("ipa_wdi_disconn_pipes: IPA pipe cleanup failed: ret=%d",
  2150. ret);
  2151. status = QDF_STATUS_E_FAILURE;
  2152. }
  2153. if (soc->ipa_rx_buf_map_lock_initialized) {
  2154. qdf_spinlock_destroy(&soc->ipa_rx_buf_map_lock);
  2155. soc->ipa_rx_buf_map_lock_initialized = false;
  2156. }
  2157. pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2158. if (qdf_unlikely(!pdev)) {
  2159. dp_err_rl("Invalid pdev for pdev_id %d", pdev_id);
  2160. status = QDF_STATUS_E_FAILURE;
  2161. goto exit;
  2162. }
  2163. dp_ipa_unmap_ring_doorbell_paddr(pdev);
  2164. exit:
  2165. return status;
  2166. }
  2167. /**
  2168. * dp_ipa_cleanup_iface() - Cleanup IPA header and deregister interface
  2169. * @ifname: Interface name
  2170. * @is_ipv6_enabled: Is IPV6 enabled or not
  2171. * @hdl: IPA handle
  2172. *
  2173. * Return: QDF_STATUS
  2174. */
  2175. QDF_STATUS dp_ipa_cleanup_iface(char *ifname, bool is_ipv6_enabled,
  2176. qdf_ipa_wdi_hdl_t hdl)
  2177. {
  2178. int ret;
  2179. ret = qdf_ipa_wdi_dereg_intf(ifname, hdl);
  2180. if (ret) {
  2181. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2182. "%s: ipa_wdi_dereg_intf: IPA pipe deregistration failed: ret=%d",
  2183. __func__, ret);
  2184. return QDF_STATUS_E_FAILURE;
  2185. }
  2186. return QDF_STATUS_SUCCESS;
  2187. }
  2188. #ifdef IPA_SET_RESET_TX_DB_PA
  2189. #define DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res) \
  2190. dp_ipa_set_tx_doorbell_paddr((soc), (ipa_res))
  2191. #define DP_IPA_RESET_TX_DB_PA(soc, ipa_res) \
  2192. dp_ipa_reset_tx_doorbell_pa((soc), (ipa_res))
  2193. #else
  2194. #define DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res)
  2195. #define DP_IPA_RESET_TX_DB_PA(soc, ipa_res)
  2196. #endif
  2197. QDF_STATUS dp_ipa_enable_pipes(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2198. qdf_ipa_wdi_hdl_t hdl)
  2199. {
  2200. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2201. struct dp_pdev *pdev =
  2202. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2203. struct dp_ipa_resources *ipa_res;
  2204. QDF_STATUS result;
  2205. if (!pdev) {
  2206. dp_err("Invalid instance");
  2207. return QDF_STATUS_E_FAILURE;
  2208. }
  2209. ipa_res = &pdev->ipa_resource;
  2210. qdf_atomic_set(&soc->ipa_pipes_enabled, 1);
  2211. DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res);
  2212. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, true);
  2213. result = qdf_ipa_wdi_enable_pipes(hdl);
  2214. if (result) {
  2215. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2216. "%s: Enable WDI PIPE fail, code %d",
  2217. __func__, result);
  2218. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  2219. DP_IPA_RESET_TX_DB_PA(soc, ipa_res);
  2220. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  2221. return QDF_STATUS_E_FAILURE;
  2222. }
  2223. if (soc->ipa_first_tx_db_access) {
  2224. dp_ipa_tx_comp_ring_init_hp(soc, ipa_res);
  2225. soc->ipa_first_tx_db_access = false;
  2226. }
  2227. return QDF_STATUS_SUCCESS;
  2228. }
  2229. QDF_STATUS dp_ipa_disable_pipes(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2230. qdf_ipa_wdi_hdl_t hdl)
  2231. {
  2232. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2233. struct dp_pdev *pdev =
  2234. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2235. QDF_STATUS result;
  2236. struct dp_ipa_resources *ipa_res;
  2237. if (!pdev) {
  2238. dp_err("Invalid instance");
  2239. return QDF_STATUS_E_FAILURE;
  2240. }
  2241. ipa_res = &pdev->ipa_resource;
  2242. qdf_sleep(TX_COMP_DRAIN_WAIT_TIMEOUT_MS);
  2243. /*
  2244. * Reset the tx completion doorbell address before invoking IPA disable
  2245. * pipes API to ensure that there is no access to IPA tx doorbell
  2246. * address post disable pipes.
  2247. */
  2248. DP_IPA_RESET_TX_DB_PA(soc, ipa_res);
  2249. result = qdf_ipa_wdi_disable_pipes(hdl);
  2250. if (result) {
  2251. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2252. "%s: Disable WDI PIPE fail, code %d",
  2253. __func__, result);
  2254. qdf_assert_always(0);
  2255. return QDF_STATUS_E_FAILURE;
  2256. }
  2257. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  2258. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  2259. return result ? QDF_STATUS_E_FAILURE : QDF_STATUS_SUCCESS;
  2260. }
  2261. /**
  2262. * dp_ipa_set_perf_level() - Set IPA clock bandwidth based on data rates
  2263. * @client: Client type
  2264. * @max_supported_bw_mbps: Maximum bandwidth needed (in Mbps)
  2265. * @hdl: IPA handle
  2266. *
  2267. * Return: QDF_STATUS
  2268. */
  2269. QDF_STATUS dp_ipa_set_perf_level(int client, uint32_t max_supported_bw_mbps,
  2270. qdf_ipa_wdi_hdl_t hdl)
  2271. {
  2272. qdf_ipa_wdi_perf_profile_t profile;
  2273. QDF_STATUS result;
  2274. profile.client = client;
  2275. profile.max_supported_bw_mbps = max_supported_bw_mbps;
  2276. result = qdf_ipa_wdi_set_perf_profile(hdl, &profile);
  2277. if (result) {
  2278. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2279. "%s: ipa_wdi_set_perf_profile fail, code %d",
  2280. __func__, result);
  2281. return QDF_STATUS_E_FAILURE;
  2282. }
  2283. return QDF_STATUS_SUCCESS;
  2284. }
  2285. /**
  2286. * dp_ipa_intrabss_send - send IPA RX intra-bss frames
  2287. * @pdev: pdev
  2288. * @vdev: vdev
  2289. * @nbuf: skb
  2290. *
  2291. * Return: nbuf if TX fails and NULL if TX succeeds
  2292. */
  2293. static qdf_nbuf_t dp_ipa_intrabss_send(struct dp_pdev *pdev,
  2294. struct dp_vdev *vdev,
  2295. qdf_nbuf_t nbuf)
  2296. {
  2297. struct dp_peer *vdev_peer;
  2298. uint16_t len;
  2299. vdev_peer = dp_vdev_bss_peer_ref_n_get(pdev->soc, vdev, DP_MOD_ID_IPA);
  2300. if (qdf_unlikely(!vdev_peer))
  2301. return nbuf;
  2302. if (qdf_unlikely(!vdev_peer->txrx_peer)) {
  2303. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2304. return nbuf;
  2305. }
  2306. qdf_mem_zero(nbuf->cb, sizeof(nbuf->cb));
  2307. len = qdf_nbuf_len(nbuf);
  2308. if (dp_tx_send((struct cdp_soc_t *)pdev->soc, vdev->vdev_id, nbuf)) {
  2309. DP_PEER_PER_PKT_STATS_INC_PKT(vdev_peer->txrx_peer,
  2310. rx.intra_bss.fail, 1, len);
  2311. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2312. return nbuf;
  2313. }
  2314. DP_PEER_PER_PKT_STATS_INC_PKT(vdev_peer->txrx_peer,
  2315. rx.intra_bss.pkts, 1, len);
  2316. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2317. return NULL;
  2318. }
  2319. bool dp_ipa_rx_intrabss_fwd(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  2320. qdf_nbuf_t nbuf, bool *fwd_success)
  2321. {
  2322. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2323. struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id,
  2324. DP_MOD_ID_IPA);
  2325. struct dp_pdev *pdev;
  2326. struct dp_peer *da_peer;
  2327. struct dp_peer *sa_peer;
  2328. qdf_nbuf_t nbuf_copy;
  2329. uint8_t da_is_bcmc;
  2330. struct ethhdr *eh;
  2331. bool status = false;
  2332. *fwd_success = false; /* set default as failure */
  2333. /*
  2334. * WDI 3.0 skb->cb[] info from IPA driver
  2335. * skb->cb[0] = vdev_id
  2336. * skb->cb[1].bit#1 = da_is_bcmc
  2337. */
  2338. da_is_bcmc = ((uint8_t)nbuf->cb[1]) & 0x2;
  2339. if (qdf_unlikely(!vdev))
  2340. return false;
  2341. pdev = vdev->pdev;
  2342. if (qdf_unlikely(!pdev))
  2343. goto out;
  2344. /* no fwd for station mode and just pass up to stack */
  2345. if (vdev->opmode == wlan_op_mode_sta)
  2346. goto out;
  2347. if (da_is_bcmc) {
  2348. nbuf_copy = qdf_nbuf_copy(nbuf);
  2349. if (!nbuf_copy)
  2350. goto out;
  2351. if (dp_ipa_intrabss_send(pdev, vdev, nbuf_copy))
  2352. qdf_nbuf_free(nbuf_copy);
  2353. else
  2354. *fwd_success = true;
  2355. /* return false to pass original pkt up to stack */
  2356. goto out;
  2357. }
  2358. eh = (struct ethhdr *)qdf_nbuf_data(nbuf);
  2359. if (!qdf_mem_cmp(eh->h_dest, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE))
  2360. goto out;
  2361. da_peer = dp_peer_find_hash_find(soc, eh->h_dest, 0, vdev->vdev_id,
  2362. DP_MOD_ID_IPA);
  2363. if (!da_peer)
  2364. goto out;
  2365. dp_peer_unref_delete(da_peer, DP_MOD_ID_IPA);
  2366. sa_peer = dp_peer_find_hash_find(soc, eh->h_source, 0, vdev->vdev_id,
  2367. DP_MOD_ID_IPA);
  2368. if (!sa_peer)
  2369. goto out;
  2370. dp_peer_unref_delete(sa_peer, DP_MOD_ID_IPA);
  2371. /*
  2372. * In intra-bss forwarding scenario, skb is allocated by IPA driver.
  2373. * Need to add skb to internal tracking table to avoid nbuf memory
  2374. * leak check for unallocated skb.
  2375. */
  2376. qdf_net_buf_debug_acquire_skb(nbuf, __FILE__, __LINE__);
  2377. if (dp_ipa_intrabss_send(pdev, vdev, nbuf))
  2378. qdf_nbuf_free(nbuf);
  2379. else
  2380. *fwd_success = true;
  2381. status = true;
  2382. out:
  2383. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_IPA);
  2384. return status;
  2385. }
  2386. #ifdef MDM_PLATFORM
  2387. bool dp_ipa_is_mdm_platform(void)
  2388. {
  2389. return true;
  2390. }
  2391. #else
  2392. bool dp_ipa_is_mdm_platform(void)
  2393. {
  2394. return false;
  2395. }
  2396. #endif
  2397. /**
  2398. * dp_ipa_frag_nbuf_linearize - linearize nbuf for IPA
  2399. * @soc: soc
  2400. * @nbuf: source skb
  2401. *
  2402. * Return: new nbuf if success and otherwise NULL
  2403. */
  2404. static qdf_nbuf_t dp_ipa_frag_nbuf_linearize(struct dp_soc *soc,
  2405. qdf_nbuf_t nbuf)
  2406. {
  2407. uint8_t *src_nbuf_data;
  2408. uint8_t *dst_nbuf_data;
  2409. qdf_nbuf_t dst_nbuf;
  2410. qdf_nbuf_t temp_nbuf = nbuf;
  2411. uint32_t nbuf_len = qdf_nbuf_len(nbuf);
  2412. bool is_nbuf_head = true;
  2413. uint32_t copy_len = 0;
  2414. dst_nbuf = qdf_nbuf_alloc(soc->osdev, RX_DATA_BUFFER_SIZE,
  2415. RX_BUFFER_RESERVATION,
  2416. RX_DATA_BUFFER_ALIGNMENT, FALSE);
  2417. if (!dst_nbuf) {
  2418. dp_err_rl("nbuf allocate fail");
  2419. return NULL;
  2420. }
  2421. if ((nbuf_len + L3_HEADER_PADDING) > RX_DATA_BUFFER_SIZE) {
  2422. qdf_nbuf_free(dst_nbuf);
  2423. dp_err_rl("nbuf is jumbo data");
  2424. return NULL;
  2425. }
  2426. /* prepeare to copy all data into new skb */
  2427. dst_nbuf_data = qdf_nbuf_data(dst_nbuf);
  2428. while (temp_nbuf) {
  2429. src_nbuf_data = qdf_nbuf_data(temp_nbuf);
  2430. /* first head nbuf */
  2431. if (is_nbuf_head) {
  2432. qdf_mem_copy(dst_nbuf_data, src_nbuf_data,
  2433. soc->rx_pkt_tlv_size);
  2434. /* leave extra 2 bytes L3_HEADER_PADDING */
  2435. dst_nbuf_data += (soc->rx_pkt_tlv_size +
  2436. L3_HEADER_PADDING);
  2437. src_nbuf_data += soc->rx_pkt_tlv_size;
  2438. copy_len = qdf_nbuf_headlen(temp_nbuf) -
  2439. soc->rx_pkt_tlv_size;
  2440. temp_nbuf = qdf_nbuf_get_ext_list(temp_nbuf);
  2441. is_nbuf_head = false;
  2442. } else {
  2443. copy_len = qdf_nbuf_len(temp_nbuf);
  2444. temp_nbuf = qdf_nbuf_queue_next(temp_nbuf);
  2445. }
  2446. qdf_mem_copy(dst_nbuf_data, src_nbuf_data, copy_len);
  2447. dst_nbuf_data += copy_len;
  2448. }
  2449. qdf_nbuf_set_len(dst_nbuf, nbuf_len);
  2450. /* copy is done, free original nbuf */
  2451. qdf_nbuf_free(nbuf);
  2452. return dst_nbuf;
  2453. }
  2454. /**
  2455. * dp_ipa_handle_rx_reo_reinject - Handle RX REO reinject skb buffer
  2456. * @soc: soc
  2457. * @nbuf: skb
  2458. *
  2459. * Return: nbuf if success and otherwise NULL
  2460. */
  2461. qdf_nbuf_t dp_ipa_handle_rx_reo_reinject(struct dp_soc *soc, qdf_nbuf_t nbuf)
  2462. {
  2463. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  2464. return nbuf;
  2465. /* WLAN IPA is run-time disabled */
  2466. if (!qdf_atomic_read(&soc->ipa_pipes_enabled))
  2467. return nbuf;
  2468. if (!qdf_nbuf_is_frag(nbuf))
  2469. return nbuf;
  2470. /* linearize skb for IPA */
  2471. return dp_ipa_frag_nbuf_linearize(soc, nbuf);
  2472. }
  2473. QDF_STATUS dp_ipa_tx_buf_smmu_mapping(
  2474. struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  2475. {
  2476. QDF_STATUS ret;
  2477. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2478. struct dp_pdev *pdev =
  2479. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2480. if (!pdev) {
  2481. dp_err("%s invalid instance", __func__);
  2482. return QDF_STATUS_E_FAILURE;
  2483. }
  2484. if (!qdf_mem_smmu_s1_enabled(soc->osdev)) {
  2485. dp_debug("SMMU S1 disabled");
  2486. return QDF_STATUS_SUCCESS;
  2487. }
  2488. ret = __dp_ipa_tx_buf_smmu_mapping(soc, pdev, true);
  2489. if (ret)
  2490. return ret;
  2491. ret = dp_ipa_tx_alt_buf_smmu_mapping(soc, pdev, true);
  2492. if (ret)
  2493. __dp_ipa_tx_buf_smmu_mapping(soc, pdev, false);
  2494. return ret;
  2495. }
  2496. QDF_STATUS dp_ipa_tx_buf_smmu_unmapping(
  2497. struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  2498. {
  2499. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2500. struct dp_pdev *pdev =
  2501. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2502. if (!pdev) {
  2503. dp_err("%s invalid instance", __func__);
  2504. return QDF_STATUS_E_FAILURE;
  2505. }
  2506. if (!qdf_mem_smmu_s1_enabled(soc->osdev)) {
  2507. dp_debug("SMMU S1 disabled");
  2508. return QDF_STATUS_SUCCESS;
  2509. }
  2510. if (__dp_ipa_tx_buf_smmu_mapping(soc, pdev, false) ||
  2511. dp_ipa_tx_alt_buf_smmu_mapping(soc, pdev, false))
  2512. return QDF_STATUS_E_FAILURE;
  2513. return QDF_STATUS_SUCCESS;
  2514. }
  2515. #endif