dp_ipa.c 90 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. struct tcl_data_cmd *tcl_desc_ptr;
  632. uint8_t *desc_addr;
  633. uint32_t desc_size;
  634. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS1;
  635. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  636. qdf_mem_get_dma_addr(soc->osdev,
  637. &ipa_res->tx_alt_comp_ring.mem_info);
  638. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  639. qdf_mem_get_dma_size(soc->osdev,
  640. &ipa_res->tx_alt_comp_ring.mem_info);
  641. /* WBM Tail Pointer Address */
  642. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  643. soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr;
  644. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  645. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  646. qdf_mem_get_dma_addr(soc->osdev,
  647. &ipa_res->tx_alt_ring.mem_info);
  648. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  649. qdf_mem_get_dma_size(soc->osdev,
  650. &ipa_res->tx_alt_ring.mem_info);
  651. /* TCL Head Pointer Address */
  652. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  653. soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr;
  654. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  655. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  656. ipa_res->tx_alt_ring_num_alloc_buffer;
  657. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  658. /* Preprogram TCL descriptor */
  659. desc_addr =
  660. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  661. desc_size = sizeof(struct tcl_data_cmd);
  662. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  663. tcl_desc_ptr = (struct tcl_data_cmd *)
  664. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  665. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  666. HAL_WBM_SW4_BM_ID(soc->wbm_sw0_bm_id);
  667. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  668. tcl_desc_ptr->addry_en = 1; /* Address X search enable in ASE */
  669. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  670. tcl_desc_ptr->packet_offset = 0; /* padding for alignment */
  671. }
  672. static void
  673. dp_ipa_wdi_tx_alt_pipe_smmu_params(struct dp_soc *soc,
  674. struct dp_ipa_resources *ipa_res,
  675. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu)
  676. {
  677. struct tcl_data_cmd *tcl_desc_ptr;
  678. uint8_t *desc_addr;
  679. uint32_t desc_size;
  680. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) = IPA_CLIENT_WLAN2_CONS1;
  681. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  682. &ipa_res->tx_alt_comp_ring.sgtable,
  683. sizeof(sgtable_t));
  684. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  685. qdf_mem_get_dma_size(soc->osdev,
  686. &ipa_res->tx_alt_comp_ring.mem_info);
  687. /* WBM Tail Pointer Address */
  688. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  689. soc->ipa_uc_tx_rsc_alt.ipa_wbm_tp_paddr;
  690. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  691. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  692. &ipa_res->tx_alt_ring.sgtable,
  693. sizeof(sgtable_t));
  694. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  695. qdf_mem_get_dma_size(soc->osdev,
  696. &ipa_res->tx_alt_ring.mem_info);
  697. /* TCL Head Pointer Address */
  698. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  699. soc->ipa_uc_tx_rsc_alt.ipa_tcl_hp_paddr;
  700. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  701. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  702. ipa_res->tx_alt_ring_num_alloc_buffer;
  703. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  704. /* Preprogram TCL descriptor */
  705. desc_addr = (uint8_t *)QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(
  706. tx_smmu);
  707. desc_size = sizeof(struct tcl_data_cmd);
  708. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  709. tcl_desc_ptr = (struct tcl_data_cmd *)
  710. (QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(tx_smmu) + 1);
  711. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  712. HAL_WBM_SW4_BM_ID(soc->wbm_sw0_bm_id);
  713. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  714. tcl_desc_ptr->addry_en = 1; /* Address Y search enable in ASE */
  715. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  716. tcl_desc_ptr->packet_offset = 0; /* padding for alignment */
  717. }
  718. static void dp_ipa_setup_tx_alt_pipe(struct dp_soc *soc,
  719. struct dp_ipa_resources *res,
  720. qdf_ipa_wdi_conn_in_params_t *in)
  721. {
  722. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu = NULL;
  723. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  724. qdf_ipa_ep_cfg_t *tx_cfg;
  725. QDF_IPA_WDI_CONN_IN_PARAMS_IS_TX1_USED(in) = true;
  726. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  727. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_ALT_PIPE_SMMU(in);
  728. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  729. dp_ipa_wdi_tx_alt_pipe_smmu_params(soc, res, tx_smmu);
  730. } else {
  731. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_ALT_PIPE(in);
  732. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx);
  733. dp_ipa_wdi_tx_alt_pipe_params(soc, res, tx);
  734. }
  735. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  736. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  737. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  738. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  739. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  740. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  741. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  742. }
  743. static void dp_ipa_set_pipe_db(struct dp_ipa_resources *res,
  744. qdf_ipa_wdi_conn_out_params_t *out)
  745. {
  746. res->tx_comp_doorbell_paddr =
  747. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(out);
  748. res->rx_ready_doorbell_paddr =
  749. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(out);
  750. res->tx_alt_comp_doorbell_paddr =
  751. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_ALT_DB_PA(out);
  752. }
  753. static void dp_ipa_setup_iface_session_id(qdf_ipa_wdi_reg_intf_in_params_t *in,
  754. uint8_t session_id)
  755. {
  756. bool is_2g_iface = session_id & IPA_SESSION_ID_SHIFT;
  757. session_id = session_id >> IPA_SESSION_ID_SHIFT;
  758. dp_debug("session_id %u is_2g_iface %d", session_id, is_2g_iface);
  759. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(in) = htonl(session_id << 16);
  760. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_TX1_USED(in) = is_2g_iface;
  761. }
  762. static void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
  763. struct dp_ipa_resources *res)
  764. {
  765. struct hal_srng *wbm_srng;
  766. /* Init first TX comp ring */
  767. wbm_srng = (struct hal_srng *)
  768. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  769. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  770. res->tx_comp_doorbell_vaddr);
  771. /* Init the alternate TX comp ring */
  772. wbm_srng = (struct hal_srng *)
  773. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  774. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  775. res->tx_alt_comp_doorbell_vaddr);
  776. }
  777. static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
  778. struct dp_ipa_resources *ipa_res)
  779. {
  780. struct hal_srng *wbm_srng;
  781. wbm_srng = (struct hal_srng *)
  782. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  783. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  784. ipa_res->tx_comp_doorbell_paddr);
  785. dp_info("paddr %pK vaddr %pK",
  786. (void *)ipa_res->tx_comp_doorbell_paddr,
  787. (void *)ipa_res->tx_comp_doorbell_vaddr);
  788. /* Setup for alternative TX comp ring */
  789. wbm_srng = (struct hal_srng *)
  790. soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  791. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  792. ipa_res->tx_alt_comp_doorbell_paddr);
  793. dp_info("paddr %pK vaddr %pK",
  794. (void *)ipa_res->tx_alt_comp_doorbell_paddr,
  795. (void *)ipa_res->tx_alt_comp_doorbell_vaddr);
  796. }
  797. #ifdef IPA_SET_RESET_TX_DB_PA
  798. static QDF_STATUS dp_ipa_reset_tx_doorbell_pa(struct dp_soc *soc,
  799. struct dp_ipa_resources *ipa_res)
  800. {
  801. hal_ring_handle_t wbm_srng;
  802. qdf_dma_addr_t hp_addr;
  803. wbm_srng = soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  804. if (!wbm_srng)
  805. return QDF_STATUS_E_FAILURE;
  806. hp_addr = soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr;
  807. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  808. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  809. /* Reset alternative TX comp ring */
  810. wbm_srng = soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
  811. if (!wbm_srng)
  812. return QDF_STATUS_E_FAILURE;
  813. hp_addr = soc->ipa_uc_tx_rsc_alt.ipa_wbm_hp_shadow_paddr;
  814. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  815. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  816. return QDF_STATUS_SUCCESS;
  817. }
  818. #endif /* IPA_SET_RESET_TX_DB_PA */
  819. #else /* !IPA_WDI3_TX_TWO_PIPES */
  820. static inline
  821. void dp_ipa_tx_alt_pool_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  822. {
  823. }
  824. static inline void dp_ipa_tx_alt_ring_resource_setup(struct dp_soc *soc)
  825. {
  826. }
  827. static inline int dp_ipa_tx_alt_pool_attach(struct dp_soc *soc)
  828. {
  829. return 0;
  830. }
  831. static inline QDF_STATUS dp_ipa_tx_alt_ring_get_resource(struct dp_pdev *pdev)
  832. {
  833. return QDF_STATUS_SUCCESS;
  834. }
  835. static void dp_ipa_map_ring_doorbell_paddr(struct dp_pdev *pdev)
  836. {
  837. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  838. uint32_t rx_ready_doorbell_dmaaddr;
  839. uint32_t tx_comp_doorbell_dmaaddr;
  840. struct dp_soc *soc = pdev->soc;
  841. int ret = 0;
  842. if (ipa_res->is_db_ddr_mapped)
  843. ipa_res->tx_comp_doorbell_vaddr =
  844. phys_to_virt(ipa_res->tx_comp_doorbell_paddr);
  845. else
  846. ipa_res->tx_comp_doorbell_vaddr =
  847. ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
  848. if (qdf_mem_smmu_s1_enabled(soc->osdev)) {
  849. ret = pld_smmu_map(soc->osdev->dev,
  850. ipa_res->tx_comp_doorbell_paddr,
  851. &tx_comp_doorbell_dmaaddr,
  852. sizeof(uint32_t));
  853. ipa_res->tx_comp_doorbell_paddr = tx_comp_doorbell_dmaaddr;
  854. qdf_assert_always(!ret);
  855. ret = pld_smmu_map(soc->osdev->dev,
  856. ipa_res->rx_ready_doorbell_paddr,
  857. &rx_ready_doorbell_dmaaddr,
  858. sizeof(uint32_t));
  859. ipa_res->rx_ready_doorbell_paddr = rx_ready_doorbell_dmaaddr;
  860. qdf_assert_always(!ret);
  861. }
  862. }
  863. static inline void dp_ipa_unmap_ring_doorbell_paddr(struct dp_pdev *pdev)
  864. {
  865. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  866. struct dp_soc *soc = pdev->soc;
  867. int ret = 0;
  868. if (!qdf_mem_smmu_s1_enabled(soc->osdev))
  869. return;
  870. ret = pld_smmu_unmap(soc->osdev->dev,
  871. ipa_res->rx_ready_doorbell_paddr,
  872. sizeof(uint32_t));
  873. qdf_assert_always(!ret);
  874. ret = pld_smmu_unmap(soc->osdev->dev,
  875. ipa_res->tx_comp_doorbell_paddr,
  876. sizeof(uint32_t));
  877. qdf_assert_always(!ret);
  878. }
  879. static inline QDF_STATUS dp_ipa_tx_alt_buf_smmu_mapping(struct dp_soc *soc,
  880. struct dp_pdev *pdev,
  881. bool create)
  882. {
  883. return QDF_STATUS_SUCCESS;
  884. }
  885. static inline
  886. void dp_ipa_setup_tx_alt_pipe(struct dp_soc *soc, struct dp_ipa_resources *res,
  887. qdf_ipa_wdi_conn_in_params_t *in)
  888. {
  889. }
  890. static void dp_ipa_set_pipe_db(struct dp_ipa_resources *res,
  891. qdf_ipa_wdi_conn_out_params_t *out)
  892. {
  893. res->tx_comp_doorbell_paddr =
  894. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(out);
  895. res->rx_ready_doorbell_paddr =
  896. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(out);
  897. }
  898. static void dp_ipa_setup_iface_session_id(qdf_ipa_wdi_reg_intf_in_params_t *in,
  899. uint8_t session_id)
  900. {
  901. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(in) = htonl(session_id << 16);
  902. }
  903. static inline void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
  904. struct dp_ipa_resources *res)
  905. {
  906. struct hal_srng *wbm_srng = (struct hal_srng *)
  907. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  908. hal_srng_dst_init_hp(soc->hal_soc, wbm_srng,
  909. res->tx_comp_doorbell_vaddr);
  910. }
  911. static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
  912. struct dp_ipa_resources *ipa_res)
  913. {
  914. struct hal_srng *wbm_srng = (struct hal_srng *)
  915. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  916. hal_srng_dst_set_hp_paddr_confirm(wbm_srng,
  917. ipa_res->tx_comp_doorbell_paddr);
  918. dp_info("paddr %pK vaddr %pK",
  919. (void *)ipa_res->tx_comp_doorbell_paddr,
  920. (void *)ipa_res->tx_comp_doorbell_vaddr);
  921. }
  922. #ifdef IPA_SET_RESET_TX_DB_PA
  923. static QDF_STATUS dp_ipa_reset_tx_doorbell_pa(struct dp_soc *soc,
  924. struct dp_ipa_resources *ipa_res)
  925. {
  926. hal_ring_handle_t wbm_srng =
  927. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  928. qdf_dma_addr_t hp_addr;
  929. if (!wbm_srng)
  930. return QDF_STATUS_E_FAILURE;
  931. hp_addr = soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr;
  932. hal_srng_dst_set_hp_paddr_confirm((struct hal_srng *)wbm_srng, hp_addr);
  933. dp_info("Reset WBM HP addr paddr: %pK", (void *)hp_addr);
  934. return QDF_STATUS_SUCCESS;
  935. }
  936. #endif /* IPA_SET_RESET_TX_DB_PA */
  937. #endif /* IPA_WDI3_TX_TWO_PIPES */
  938. /**
  939. * dp_tx_ipa_uc_detach - Free autonomy TX resources
  940. * @soc: data path instance
  941. * @pdev: core txrx pdev context
  942. *
  943. * Free allocated TX buffers with WBM SRNG
  944. *
  945. * Return: none
  946. */
  947. static void dp_tx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  948. {
  949. int idx;
  950. qdf_nbuf_t nbuf;
  951. struct dp_ipa_resources *ipa_res;
  952. for (idx = 0; idx < soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt; idx++) {
  953. nbuf = (qdf_nbuf_t)
  954. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx];
  955. if (!nbuf)
  956. continue;
  957. qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
  958. qdf_mem_dp_tx_skb_cnt_dec();
  959. qdf_mem_dp_tx_skb_dec(qdf_nbuf_get_end_offset(nbuf));
  960. qdf_nbuf_free(nbuf);
  961. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx] =
  962. (void *)NULL;
  963. }
  964. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  965. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  966. ipa_res = &pdev->ipa_resource;
  967. qdf_mem_free_sgtable(&ipa_res->tx_ring.sgtable);
  968. qdf_mem_free_sgtable(&ipa_res->tx_comp_ring.sgtable);
  969. }
  970. /**
  971. * dp_rx_ipa_uc_detach - free autonomy RX resources
  972. * @soc: data path instance
  973. * @pdev: core txrx pdev context
  974. *
  975. * This function will detach DP RX into main device context
  976. * will free DP Rx resources.
  977. *
  978. * Return: none
  979. */
  980. static void dp_rx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  981. {
  982. struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
  983. qdf_mem_free_sgtable(&ipa_res->rx_rdy_ring.sgtable);
  984. qdf_mem_free_sgtable(&ipa_res->rx_refill_ring.sgtable);
  985. }
  986. int dp_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
  987. {
  988. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  989. return QDF_STATUS_SUCCESS;
  990. /* TX resource detach */
  991. dp_tx_ipa_uc_detach(soc, pdev);
  992. /* Cleanup 2nd TX pipe resources */
  993. dp_ipa_tx_alt_pool_detach(soc, pdev);
  994. /* RX resource detach */
  995. dp_rx_ipa_uc_detach(soc, pdev);
  996. return QDF_STATUS_SUCCESS; /* success */
  997. }
  998. /**
  999. * dp_tx_ipa_uc_attach - Allocate autonomy TX resources
  1000. * @soc: data path instance
  1001. * @pdev: Physical device handle
  1002. *
  1003. * Allocate TX buffer from non-cacheable memory
  1004. * Attache allocated TX buffers with WBM SRNG
  1005. *
  1006. * Return: int
  1007. */
  1008. static int dp_tx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  1009. {
  1010. uint32_t tx_buffer_count;
  1011. uint32_t ring_base_align = 8;
  1012. qdf_dma_addr_t buffer_paddr;
  1013. struct hal_srng *wbm_srng = (struct hal_srng *)
  1014. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  1015. struct hal_srng_params srng_params;
  1016. void *ring_entry;
  1017. int num_entries;
  1018. qdf_nbuf_t nbuf;
  1019. int retval = QDF_STATUS_SUCCESS;
  1020. int max_alloc_count = 0;
  1021. /*
  1022. * Uncomment when dp_ops_cfg.cfg_attach is implemented
  1023. * unsigned int uc_tx_buf_sz =
  1024. * dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
  1025. */
  1026. unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
  1027. unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;
  1028. hal_get_srng_params(soc->hal_soc, hal_srng_to_hal_ring_handle(wbm_srng),
  1029. &srng_params);
  1030. num_entries = srng_params.num_entries;
  1031. max_alloc_count =
  1032. num_entries - DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES;
  1033. if (max_alloc_count <= 0) {
  1034. dp_err("incorrect value for buffer count %u", max_alloc_count);
  1035. return -EINVAL;
  1036. }
  1037. dp_info("requested %d buffers to be posted to wbm ring",
  1038. max_alloc_count);
  1039. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned =
  1040. qdf_mem_malloc(num_entries *
  1041. sizeof(*soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned));
  1042. if (!soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned) {
  1043. dp_err("IPA WBM Ring Tx buf pool vaddr alloc fail");
  1044. return -ENOMEM;
  1045. }
  1046. hal_srng_access_start_unlocked(soc->hal_soc,
  1047. hal_srng_to_hal_ring_handle(wbm_srng));
  1048. /*
  1049. * Allocate Tx buffers as many as possible.
  1050. * Leave DP_IPA_WAR_WBM2SW_REL_RING_NO_BUF_ENTRIES empty
  1051. * Populate Tx buffers into WBM2IPA ring
  1052. * This initial buffer population will simulate H/W as source ring,
  1053. * and update HP
  1054. */
  1055. for (tx_buffer_count = 0;
  1056. tx_buffer_count < max_alloc_count - 1; tx_buffer_count++) {
  1057. nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
  1058. if (!nbuf)
  1059. break;
  1060. ring_entry = hal_srng_dst_get_next_hp(soc->hal_soc,
  1061. hal_srng_to_hal_ring_handle(wbm_srng));
  1062. if (!ring_entry) {
  1063. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
  1064. "%s: Failed to get WBM ring entry",
  1065. __func__);
  1066. qdf_nbuf_free(nbuf);
  1067. break;
  1068. }
  1069. qdf_nbuf_map_single(soc->osdev, nbuf,
  1070. QDF_DMA_BIDIRECTIONAL);
  1071. buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);
  1072. qdf_mem_dp_tx_skb_cnt_inc();
  1073. qdf_mem_dp_tx_skb_inc(qdf_nbuf_get_end_offset(nbuf));
  1074. /*
  1075. * TODO - KIWI code can directly call the be handler
  1076. * instead of hal soc ops.
  1077. */
  1078. hal_rxdma_buff_addr_info_set(soc->hal_soc, ring_entry,
  1079. buffer_paddr, 0,
  1080. (IPA_TCL_DATA_RING_IDX +
  1081. soc->wbm_sw0_bm_id));
  1082. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[tx_buffer_count]
  1083. = (void *)nbuf;
  1084. }
  1085. hal_srng_access_end_unlocked(soc->hal_soc,
  1086. hal_srng_to_hal_ring_handle(wbm_srng));
  1087. soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt = tx_buffer_count;
  1088. if (tx_buffer_count) {
  1089. dp_info("IPA WDI TX buffer: %d allocated", tx_buffer_count);
  1090. } else {
  1091. dp_err("No IPA WDI TX buffer allocated!");
  1092. qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
  1093. soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
  1094. retval = -ENOMEM;
  1095. }
  1096. return retval;
  1097. }
  1098. /**
  1099. * dp_rx_ipa_uc_attach - Allocate autonomy RX resources
  1100. * @soc: data path instance
  1101. * @pdev: core txrx pdev context
  1102. *
  1103. * This function will attach a DP RX instance into the main
  1104. * device (SOC) context.
  1105. *
  1106. * Return: QDF_STATUS_SUCCESS: success
  1107. * QDF_STATUS_E_RESOURCES: Error return
  1108. */
  1109. static int dp_rx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  1110. {
  1111. return QDF_STATUS_SUCCESS;
  1112. }
  1113. int dp_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
  1114. {
  1115. int error;
  1116. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1117. return QDF_STATUS_SUCCESS;
  1118. /* TX resource attach */
  1119. error = dp_tx_ipa_uc_attach(soc, pdev);
  1120. if (error) {
  1121. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1122. "%s: DP IPA UC TX attach fail code %d",
  1123. __func__, error);
  1124. return error;
  1125. }
  1126. /* Setup 2nd TX pipe */
  1127. error = dp_ipa_tx_alt_pool_attach(soc);
  1128. if (error) {
  1129. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1130. "%s: DP IPA TX pool2 attach fail code %d",
  1131. __func__, error);
  1132. dp_tx_ipa_uc_detach(soc, pdev);
  1133. return error;
  1134. }
  1135. /* RX resource attach */
  1136. error = dp_rx_ipa_uc_attach(soc, pdev);
  1137. if (error) {
  1138. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
  1139. "%s: DP IPA UC RX attach fail code %d",
  1140. __func__, error);
  1141. dp_ipa_tx_alt_pool_detach(soc, pdev);
  1142. dp_tx_ipa_uc_detach(soc, pdev);
  1143. return error;
  1144. }
  1145. return QDF_STATUS_SUCCESS; /* success */
  1146. }
  1147. /*
  1148. * dp_ipa_ring_resource_setup() - setup IPA ring resources
  1149. * @soc: data path SoC handle
  1150. *
  1151. * Return: none
  1152. */
  1153. int dp_ipa_ring_resource_setup(struct dp_soc *soc,
  1154. struct dp_pdev *pdev)
  1155. {
  1156. struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
  1157. struct hal_srng *hal_srng;
  1158. struct hal_srng_params srng_params;
  1159. qdf_dma_addr_t hp_addr;
  1160. unsigned long addr_offset, dev_base_paddr;
  1161. uint32_t ix0;
  1162. uint8_t ix0_map[8];
  1163. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1164. return QDF_STATUS_SUCCESS;
  1165. /* IPA TCL_DATA Ring - HAL_SRNG_SW2TCL3 */
  1166. hal_srng = (struct hal_srng *)
  1167. soc->tcl_data_ring[IPA_TCL_DATA_RING_IDX].hal_srng;
  1168. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1169. hal_srng_to_hal_ring_handle(hal_srng),
  1170. &srng_params);
  1171. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr =
  1172. srng_params.ring_base_paddr;
  1173. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr =
  1174. srng_params.ring_base_vaddr;
  1175. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size =
  1176. (srng_params.num_entries * srng_params.entry_size) << 2;
  1177. /*
  1178. * For the register backed memory addresses, use the scn->mem_pa to
  1179. * calculate the physical address of the shadow registers
  1180. */
  1181. dev_base_paddr =
  1182. (unsigned long)
  1183. ((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
  1184. addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
  1185. (unsigned long)(hal_soc->dev_base_addr);
  1186. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr =
  1187. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1188. dp_info("IPA TCL_DATA Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1189. (unsigned int)addr_offset,
  1190. (unsigned int)dev_base_paddr,
  1191. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr),
  1192. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  1193. (void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  1194. srng_params.num_entries,
  1195. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  1196. /* IPA TX COMP Ring - HAL_SRNG_WBM2SW2_RELEASE */
  1197. hal_srng = (struct hal_srng *)
  1198. soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
  1199. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1200. hal_srng_to_hal_ring_handle(hal_srng),
  1201. &srng_params);
  1202. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr =
  1203. srng_params.ring_base_paddr;
  1204. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr =
  1205. srng_params.ring_base_vaddr;
  1206. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size =
  1207. (srng_params.num_entries * srng_params.entry_size) << 2;
  1208. soc->ipa_uc_tx_rsc.ipa_wbm_hp_shadow_paddr =
  1209. hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  1210. hal_srng_to_hal_ring_handle(hal_srng));
  1211. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  1212. (unsigned long)(hal_soc->dev_base_addr);
  1213. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr =
  1214. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1215. 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)",
  1216. (unsigned int)addr_offset,
  1217. (unsigned int)dev_base_paddr,
  1218. (unsigned int)(soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr),
  1219. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  1220. (void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  1221. srng_params.num_entries,
  1222. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  1223. dp_ipa_tx_alt_ring_resource_setup(soc);
  1224. /* IPA REO_DEST Ring - HAL_SRNG_REO2SW4 */
  1225. hal_srng = (struct hal_srng *)
  1226. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  1227. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1228. hal_srng_to_hal_ring_handle(hal_srng),
  1229. &srng_params);
  1230. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr =
  1231. srng_params.ring_base_paddr;
  1232. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr =
  1233. srng_params.ring_base_vaddr;
  1234. soc->ipa_uc_rx_rsc.ipa_reo_ring_size =
  1235. (srng_params.num_entries * srng_params.entry_size) << 2;
  1236. addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
  1237. (unsigned long)(hal_soc->dev_base_addr);
  1238. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr =
  1239. (qdf_dma_addr_t)(addr_offset + dev_base_paddr);
  1240. dp_info("IPA REO_DEST Ring addr_offset=%x, dev_base_paddr=%x, tp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1241. (unsigned int)addr_offset,
  1242. (unsigned int)dev_base_paddr,
  1243. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr),
  1244. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  1245. (void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  1246. srng_params.num_entries,
  1247. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  1248. hal_srng = (struct hal_srng *)
  1249. pdev->rx_refill_buf_ring2.hal_srng;
  1250. hal_get_srng_params(hal_soc_to_hal_soc_handle(hal_soc),
  1251. hal_srng_to_hal_ring_handle(hal_srng),
  1252. &srng_params);
  1253. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr =
  1254. srng_params.ring_base_paddr;
  1255. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr =
  1256. srng_params.ring_base_vaddr;
  1257. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size =
  1258. (srng_params.num_entries * srng_params.entry_size) << 2;
  1259. hp_addr = hal_srng_get_hp_addr(hal_soc_to_hal_soc_handle(hal_soc),
  1260. hal_srng_to_hal_ring_handle(hal_srng));
  1261. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr =
  1262. qdf_mem_paddr_from_dmaaddr(soc->osdev, hp_addr);
  1263. dp_info("IPA REFILL_BUF Ring hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
  1264. (unsigned int)(soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr),
  1265. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  1266. (void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  1267. srng_params.num_entries,
  1268. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  1269. /*
  1270. * Set DEST_RING_MAPPING_4 to SW2 as default value for
  1271. * DESTINATION_RING_CTRL_IX_0.
  1272. */
  1273. ix0_map[0] = REO_REMAP_SW1;
  1274. ix0_map[1] = REO_REMAP_SW1;
  1275. ix0_map[2] = REO_REMAP_SW2;
  1276. ix0_map[3] = REO_REMAP_SW3;
  1277. ix0_map[4] = REO_REMAP_SW2;
  1278. ix0_map[5] = REO_REMAP_RELEASE;
  1279. ix0_map[6] = REO_REMAP_FW;
  1280. ix0_map[7] = REO_REMAP_FW;
  1281. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1282. ix0_map);
  1283. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL, NULL, NULL);
  1284. return 0;
  1285. }
  1286. QDF_STATUS dp_ipa_get_resource(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1287. {
  1288. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1289. struct dp_pdev *pdev =
  1290. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1291. struct dp_ipa_resources *ipa_res;
  1292. if (!pdev) {
  1293. dp_err("Invalid instance");
  1294. return QDF_STATUS_E_FAILURE;
  1295. }
  1296. ipa_res = &pdev->ipa_resource;
  1297. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1298. return QDF_STATUS_SUCCESS;
  1299. ipa_res->tx_num_alloc_buffer =
  1300. (uint32_t)soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;
  1301. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_ring,
  1302. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
  1303. soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
  1304. soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);
  1305. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->tx_comp_ring,
  1306. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
  1307. soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
  1308. soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);
  1309. dp_ipa_get_shared_mem_info(soc->osdev, &ipa_res->rx_rdy_ring,
  1310. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
  1311. soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
  1312. soc->ipa_uc_rx_rsc.ipa_reo_ring_size);
  1313. dp_ipa_get_shared_mem_info(
  1314. soc->osdev, &ipa_res->rx_refill_ring,
  1315. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
  1316. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
  1317. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);
  1318. if (!qdf_mem_get_dma_addr(soc->osdev, &ipa_res->tx_ring.mem_info) ||
  1319. !qdf_mem_get_dma_addr(soc->osdev,
  1320. &ipa_res->tx_comp_ring.mem_info) ||
  1321. !qdf_mem_get_dma_addr(soc->osdev, &ipa_res->rx_rdy_ring.mem_info) ||
  1322. !qdf_mem_get_dma_addr(soc->osdev,
  1323. &ipa_res->rx_refill_ring.mem_info))
  1324. return QDF_STATUS_E_FAILURE;
  1325. if (dp_ipa_tx_alt_ring_get_resource(pdev))
  1326. return QDF_STATUS_E_FAILURE;
  1327. return QDF_STATUS_SUCCESS;
  1328. }
  1329. #ifdef IPA_SET_RESET_TX_DB_PA
  1330. #define DP_IPA_SET_TX_DB_PADDR(soc, ipa_res)
  1331. #else
  1332. #define DP_IPA_SET_TX_DB_PADDR(soc, ipa_res) \
  1333. dp_ipa_set_tx_doorbell_paddr(soc, ipa_res)
  1334. #endif
  1335. QDF_STATUS dp_ipa_set_doorbell_paddr(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1336. {
  1337. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1338. struct dp_pdev *pdev =
  1339. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1340. struct dp_ipa_resources *ipa_res;
  1341. struct hal_srng *reo_srng = (struct hal_srng *)
  1342. soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
  1343. if (!pdev) {
  1344. dp_err("Invalid instance");
  1345. return QDF_STATUS_E_FAILURE;
  1346. }
  1347. ipa_res = &pdev->ipa_resource;
  1348. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1349. return QDF_STATUS_SUCCESS;
  1350. dp_ipa_map_ring_doorbell_paddr(pdev);
  1351. DP_IPA_SET_TX_DB_PADDR(soc, ipa_res);
  1352. /*
  1353. * For RX, REO module on Napier/Hastings does reordering on incoming
  1354. * Ethernet packets and writes one or more descriptors to REO2IPA Rx
  1355. * ring.It then updates the ring’s Write/Head ptr and rings a doorbell
  1356. * to IPA.
  1357. * Set the doorbell addr for the REO ring.
  1358. */
  1359. hal_srng_dst_set_hp_paddr_confirm(reo_srng,
  1360. ipa_res->rx_ready_doorbell_paddr);
  1361. return QDF_STATUS_SUCCESS;
  1362. }
  1363. QDF_STATUS dp_ipa_iounmap_doorbell_vaddr(struct cdp_soc_t *soc_hdl,
  1364. uint8_t pdev_id)
  1365. {
  1366. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1367. struct dp_pdev *pdev =
  1368. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1369. struct dp_ipa_resources *ipa_res;
  1370. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1371. return QDF_STATUS_SUCCESS;
  1372. if (!pdev) {
  1373. dp_err("Invalid instance");
  1374. return QDF_STATUS_E_FAILURE;
  1375. }
  1376. ipa_res = &pdev->ipa_resource;
  1377. if (!ipa_res->is_db_ddr_mapped)
  1378. iounmap(ipa_res->tx_comp_doorbell_vaddr);
  1379. return QDF_STATUS_SUCCESS;
  1380. }
  1381. QDF_STATUS dp_ipa_op_response(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1382. uint8_t *op_msg)
  1383. {
  1384. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1385. struct dp_pdev *pdev =
  1386. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1387. if (!pdev) {
  1388. dp_err("Invalid instance");
  1389. return QDF_STATUS_E_FAILURE;
  1390. }
  1391. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  1392. return QDF_STATUS_SUCCESS;
  1393. if (pdev->ipa_uc_op_cb) {
  1394. pdev->ipa_uc_op_cb(op_msg, pdev->usr_ctxt);
  1395. } else {
  1396. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1397. "%s: IPA callback function is not registered", __func__);
  1398. qdf_mem_free(op_msg);
  1399. return QDF_STATUS_E_FAILURE;
  1400. }
  1401. return QDF_STATUS_SUCCESS;
  1402. }
  1403. QDF_STATUS dp_ipa_register_op_cb(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1404. ipa_uc_op_cb_type op_cb,
  1405. void *usr_ctxt)
  1406. {
  1407. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1408. struct dp_pdev *pdev =
  1409. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1410. if (!pdev) {
  1411. dp_err("Invalid instance");
  1412. return QDF_STATUS_E_FAILURE;
  1413. }
  1414. if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
  1415. return QDF_STATUS_SUCCESS;
  1416. pdev->ipa_uc_op_cb = op_cb;
  1417. pdev->usr_ctxt = usr_ctxt;
  1418. return QDF_STATUS_SUCCESS;
  1419. }
  1420. void dp_ipa_deregister_op_cb(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1421. {
  1422. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1423. struct dp_pdev *pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1424. if (!pdev) {
  1425. dp_err("Invalid instance");
  1426. return;
  1427. }
  1428. dp_debug("Deregister OP handler callback");
  1429. pdev->ipa_uc_op_cb = NULL;
  1430. pdev->usr_ctxt = NULL;
  1431. }
  1432. QDF_STATUS dp_ipa_get_stat(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1433. {
  1434. /* TBD */
  1435. return QDF_STATUS_SUCCESS;
  1436. }
  1437. /**
  1438. * dp_tx_send_ipa_data_frame() - send IPA data frame
  1439. * @soc_hdl: datapath soc handle
  1440. * @vdev_id: id of the virtual device
  1441. * @skb: skb to transmit
  1442. *
  1443. * Return: skb/ NULL is for success
  1444. */
  1445. qdf_nbuf_t dp_tx_send_ipa_data_frame(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  1446. qdf_nbuf_t skb)
  1447. {
  1448. qdf_nbuf_t ret;
  1449. /* Terminate the (single-element) list of tx frames */
  1450. qdf_nbuf_set_next(skb, NULL);
  1451. ret = dp_tx_send(soc_hdl, vdev_id, skb);
  1452. if (ret) {
  1453. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1454. "%s: Failed to tx", __func__);
  1455. return ret;
  1456. }
  1457. return NULL;
  1458. }
  1459. #ifdef QCA_IPA_LL_TX_FLOW_CONTROL
  1460. /**
  1461. * dp_ipa_is_target_ready() - check if target is ready or not
  1462. * @soc: datapath soc handle
  1463. *
  1464. * Return: true if target is ready
  1465. */
  1466. static inline
  1467. bool dp_ipa_is_target_ready(struct dp_soc *soc)
  1468. {
  1469. if (hif_get_target_status(soc->hif_handle) == TARGET_STATUS_RESET)
  1470. return false;
  1471. else
  1472. return true;
  1473. }
  1474. #else
  1475. static inline
  1476. bool dp_ipa_is_target_ready(struct dp_soc *soc)
  1477. {
  1478. return true;
  1479. }
  1480. #endif
  1481. QDF_STATUS dp_ipa_enable_autonomy(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1482. {
  1483. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1484. struct dp_pdev *pdev =
  1485. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1486. uint32_t ix0;
  1487. uint32_t ix2;
  1488. uint8_t ix_map[8];
  1489. if (!pdev) {
  1490. dp_err("Invalid instance");
  1491. return QDF_STATUS_E_FAILURE;
  1492. }
  1493. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1494. return QDF_STATUS_SUCCESS;
  1495. if (!hif_is_target_ready(HIF_GET_SOFTC(soc->hif_handle)))
  1496. return QDF_STATUS_E_AGAIN;
  1497. if (!dp_ipa_is_target_ready(soc))
  1498. return QDF_STATUS_E_AGAIN;
  1499. /* Call HAL API to remap REO rings to REO2IPA ring */
  1500. ix_map[0] = REO_REMAP_SW1;
  1501. ix_map[1] = REO_REMAP_SW4;
  1502. ix_map[2] = REO_REMAP_SW1;
  1503. ix_map[3] = REO_REMAP_SW4;
  1504. ix_map[4] = REO_REMAP_SW4;
  1505. ix_map[5] = REO_REMAP_RELEASE;
  1506. ix_map[6] = REO_REMAP_FW;
  1507. ix_map[7] = REO_REMAP_FW;
  1508. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1509. ix_map);
  1510. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  1511. ix_map[0] = REO_REMAP_SW4;
  1512. ix_map[1] = REO_REMAP_SW4;
  1513. ix_map[2] = REO_REMAP_SW4;
  1514. ix_map[3] = REO_REMAP_SW4;
  1515. ix_map[4] = REO_REMAP_SW4;
  1516. ix_map[5] = REO_REMAP_SW4;
  1517. ix_map[6] = REO_REMAP_SW4;
  1518. ix_map[7] = REO_REMAP_SW4;
  1519. ix2 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX2,
  1520. ix_map);
  1521. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1522. &ix2, &ix2);
  1523. dp_ipa_reo_remap_history_add(ix0, ix2, ix2);
  1524. } else {
  1525. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1526. NULL, NULL);
  1527. dp_ipa_reo_remap_history_add(ix0, 0, 0);
  1528. }
  1529. return QDF_STATUS_SUCCESS;
  1530. }
  1531. QDF_STATUS dp_ipa_disable_autonomy(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  1532. {
  1533. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1534. struct dp_pdev *pdev =
  1535. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1536. uint8_t ix0_map[8];
  1537. uint32_t ix0;
  1538. uint32_t ix1;
  1539. uint32_t ix2;
  1540. uint32_t ix3;
  1541. if (!pdev) {
  1542. dp_err("Invalid instance");
  1543. return QDF_STATUS_E_FAILURE;
  1544. }
  1545. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1546. return QDF_STATUS_SUCCESS;
  1547. if (!hif_is_target_ready(HIF_GET_SOFTC(soc->hif_handle)))
  1548. return QDF_STATUS_E_AGAIN;
  1549. if (!dp_ipa_is_target_ready(soc))
  1550. return QDF_STATUS_E_AGAIN;
  1551. ix0_map[0] = REO_REMAP_SW1;
  1552. ix0_map[1] = REO_REMAP_SW1;
  1553. ix0_map[2] = REO_REMAP_SW2;
  1554. ix0_map[3] = REO_REMAP_SW3;
  1555. ix0_map[4] = REO_REMAP_SW2;
  1556. ix0_map[5] = REO_REMAP_RELEASE;
  1557. ix0_map[6] = REO_REMAP_FW;
  1558. ix0_map[7] = REO_REMAP_FW;
  1559. /* Call HAL API to remap REO rings to REO2IPA ring */
  1560. ix0 = hal_gen_reo_remap_val(soc->hal_soc, HAL_REO_REMAP_REG_IX0,
  1561. ix0_map);
  1562. if (wlan_cfg_is_rx_hash_enabled(soc->wlan_cfg_ctx)) {
  1563. dp_reo_remap_config(soc, &ix1, &ix2, &ix3);
  1564. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1565. &ix2, &ix3);
  1566. dp_ipa_reo_remap_history_add(ix0, ix2, ix3);
  1567. } else {
  1568. hal_reo_read_write_ctrl_ix(soc->hal_soc, false, &ix0, NULL,
  1569. NULL, NULL);
  1570. dp_ipa_reo_remap_history_add(ix0, 0, 0);
  1571. }
  1572. return QDF_STATUS_SUCCESS;
  1573. }
  1574. /* This should be configurable per H/W configuration enable status */
  1575. #define L3_HEADER_PADDING 2
  1576. #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)) || \
  1577. defined(CONFIG_IPA_WDI_UNIFIED_API)
  1578. #if !defined(QCA_LL_TX_FLOW_CONTROL_V2) && !defined(QCA_IPA_LL_TX_FLOW_CONTROL)
  1579. static inline void dp_setup_mcc_sys_pipes(
  1580. qdf_ipa_sys_connect_params_t *sys_in,
  1581. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  1582. {
  1583. int i = 0;
  1584. /* Setup MCC sys pipe */
  1585. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) =
  1586. DP_IPA_MAX_IFACE;
  1587. for (i = 0; i < DP_IPA_MAX_IFACE; i++)
  1588. memcpy(&QDF_IPA_WDI_CONN_IN_PARAMS_SYS_IN(pipe_in)[i],
  1589. &sys_in[i], sizeof(qdf_ipa_sys_connect_params_t));
  1590. }
  1591. #else
  1592. static inline void dp_setup_mcc_sys_pipes(
  1593. qdf_ipa_sys_connect_params_t *sys_in,
  1594. qdf_ipa_wdi_conn_in_params_t *pipe_in)
  1595. {
  1596. QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) = 0;
  1597. }
  1598. #endif
  1599. static void dp_ipa_wdi_tx_params(struct dp_soc *soc,
  1600. struct dp_ipa_resources *ipa_res,
  1601. qdf_ipa_wdi_pipe_setup_info_t *tx,
  1602. bool over_gsi)
  1603. {
  1604. struct tcl_data_cmd *tcl_desc_ptr;
  1605. uint8_t *desc_addr;
  1606. uint32_t desc_size;
  1607. if (over_gsi)
  1608. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS;
  1609. else
  1610. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  1611. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  1612. qdf_mem_get_dma_addr(soc->osdev,
  1613. &ipa_res->tx_comp_ring.mem_info);
  1614. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  1615. qdf_mem_get_dma_size(soc->osdev,
  1616. &ipa_res->tx_comp_ring.mem_info);
  1617. /* WBM Tail Pointer Address */
  1618. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  1619. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1620. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(tx) = true;
  1621. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  1622. qdf_mem_get_dma_addr(soc->osdev,
  1623. &ipa_res->tx_ring.mem_info);
  1624. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
  1625. qdf_mem_get_dma_size(soc->osdev,
  1626. &ipa_res->tx_ring.mem_info);
  1627. /* TCL Head Pointer Address */
  1628. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  1629. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1630. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(tx) = true;
  1631. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  1632. ipa_res->tx_num_alloc_buffer;
  1633. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  1634. /* Preprogram TCL descriptor */
  1635. desc_addr =
  1636. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  1637. desc_size = sizeof(struct tcl_data_cmd);
  1638. #ifndef DP_BE_WAR
  1639. /* TODO - KIWI does not have these fields */
  1640. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  1641. #endif
  1642. tcl_desc_ptr = (struct tcl_data_cmd *)
  1643. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  1644. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  1645. HAL_RX_BUF_RBM_SW2_BM(soc->wbm_sw0_bm_id);
  1646. #ifndef DP_BE_WAR
  1647. /* TODO - KIWI does not have these fields */
  1648. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  1649. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  1650. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  1651. #endif
  1652. }
  1653. static void dp_ipa_wdi_rx_params(struct dp_soc *soc,
  1654. struct dp_ipa_resources *ipa_res,
  1655. qdf_ipa_wdi_pipe_setup_info_t *rx,
  1656. bool over_gsi)
  1657. {
  1658. if (over_gsi)
  1659. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  1660. IPA_CLIENT_WLAN2_PROD;
  1661. else
  1662. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
  1663. IPA_CLIENT_WLAN1_PROD;
  1664. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  1665. qdf_mem_get_dma_addr(soc->osdev,
  1666. &ipa_res->rx_rdy_ring.mem_info);
  1667. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  1668. qdf_mem_get_dma_size(soc->osdev,
  1669. &ipa_res->rx_rdy_ring.mem_info);
  1670. /* REO Tail Pointer Address */
  1671. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  1672. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1673. QDF_IPA_WDI_SETUP_INFO_IS_TXR_RN_DB_PCIE_ADDR(rx) = true;
  1674. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  1675. qdf_mem_get_dma_addr(soc->osdev,
  1676. &ipa_res->rx_refill_ring.mem_info);
  1677. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  1678. qdf_mem_get_dma_size(soc->osdev,
  1679. &ipa_res->rx_refill_ring.mem_info);
  1680. /* FW Head Pointer Address */
  1681. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  1682. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1683. QDF_IPA_WDI_SETUP_INFO_IS_EVT_RN_DB_PCIE_ADDR(rx) = false;
  1684. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) =
  1685. soc->rx_pkt_tlv_size + L3_HEADER_PADDING;
  1686. }
  1687. static void
  1688. dp_ipa_wdi_tx_smmu_params(struct dp_soc *soc,
  1689. struct dp_ipa_resources *ipa_res,
  1690. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu,
  1691. bool over_gsi,
  1692. qdf_ipa_wdi_hdl_t hdl)
  1693. {
  1694. struct tcl_data_cmd *tcl_desc_ptr;
  1695. uint8_t *desc_addr;
  1696. uint32_t desc_size;
  1697. if (over_gsi) {
  1698. if (hdl == DP_IPA_HDL_FIRST)
  1699. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1700. IPA_CLIENT_WLAN2_CONS;
  1701. else if (hdl == DP_IPA_HDL_SECOND)
  1702. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1703. IPA_CLIENT_WLAN4_CONS;
  1704. } else {
  1705. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(tx_smmu) =
  1706. IPA_CLIENT_WLAN1_CONS;
  1707. }
  1708. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(tx_smmu),
  1709. &ipa_res->tx_comp_ring.sgtable,
  1710. sizeof(sgtable_t));
  1711. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(tx_smmu) =
  1712. qdf_mem_get_dma_size(soc->osdev,
  1713. &ipa_res->tx_comp_ring.mem_info);
  1714. /* WBM Tail Pointer Address */
  1715. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(tx_smmu) =
  1716. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  1717. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(tx_smmu) = true;
  1718. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(tx_smmu),
  1719. &ipa_res->tx_ring.sgtable,
  1720. sizeof(sgtable_t));
  1721. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(tx_smmu) =
  1722. qdf_mem_get_dma_size(soc->osdev,
  1723. &ipa_res->tx_ring.mem_info);
  1724. /* TCL Head Pointer Address */
  1725. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(tx_smmu) =
  1726. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  1727. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(tx_smmu) = true;
  1728. QDF_IPA_WDI_SETUP_INFO_SMMU_NUM_PKT_BUFFERS(tx_smmu) =
  1729. ipa_res->tx_num_alloc_buffer;
  1730. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(tx_smmu) = 0;
  1731. /* Preprogram TCL descriptor */
  1732. desc_addr = (uint8_t *)QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(
  1733. tx_smmu);
  1734. desc_size = sizeof(struct tcl_data_cmd);
  1735. #ifndef DP_BE_WAR
  1736. /* TODO - KIWI does not have these fields */
  1737. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  1738. #endif
  1739. tcl_desc_ptr = (struct tcl_data_cmd *)
  1740. (QDF_IPA_WDI_SETUP_INFO_SMMU_DESC_FORMAT_TEMPLATE(tx_smmu) + 1);
  1741. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  1742. HAL_RX_BUF_RBM_SW2_BM(soc->wbm_sw0_bm_id);
  1743. #ifndef DP_BE_WAR
  1744. /* TODO - KIWI does not have these fields */
  1745. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  1746. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  1747. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  1748. #endif
  1749. }
  1750. static void
  1751. dp_ipa_wdi_rx_smmu_params(struct dp_soc *soc,
  1752. struct dp_ipa_resources *ipa_res,
  1753. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu,
  1754. bool over_gsi,
  1755. qdf_ipa_wdi_hdl_t hdl)
  1756. {
  1757. if (over_gsi) {
  1758. if (hdl == DP_IPA_HDL_FIRST)
  1759. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1760. IPA_CLIENT_WLAN2_PROD;
  1761. else if (hdl == DP_IPA_HDL_SECOND)
  1762. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1763. IPA_CLIENT_WLAN3_PROD;
  1764. } else {
  1765. QDF_IPA_WDI_SETUP_INFO_SMMU_CLIENT(rx_smmu) =
  1766. IPA_CLIENT_WLAN1_PROD;
  1767. }
  1768. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_BASE(rx_smmu),
  1769. &ipa_res->rx_rdy_ring.sgtable,
  1770. sizeof(sgtable_t));
  1771. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_SIZE(rx_smmu) =
  1772. qdf_mem_get_dma_size(soc->osdev,
  1773. &ipa_res->rx_rdy_ring.mem_info);
  1774. /* REO Tail Pointer Address */
  1775. QDF_IPA_WDI_SETUP_INFO_SMMU_TRANSFER_RING_DOORBELL_PA(rx_smmu) =
  1776. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  1777. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_TXR_RN_DB_PCIE_ADDR(rx_smmu) = true;
  1778. qdf_mem_copy(&QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_BASE(rx_smmu),
  1779. &ipa_res->rx_refill_ring.sgtable,
  1780. sizeof(sgtable_t));
  1781. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_SIZE(rx_smmu) =
  1782. qdf_mem_get_dma_size(soc->osdev,
  1783. &ipa_res->rx_refill_ring.mem_info);
  1784. /* FW Head Pointer Address */
  1785. QDF_IPA_WDI_SETUP_INFO_SMMU_EVENT_RING_DOORBELL_PA(rx_smmu) =
  1786. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  1787. QDF_IPA_WDI_SETUP_INFO_SMMU_IS_EVT_RN_DB_PCIE_ADDR(rx_smmu) = false;
  1788. QDF_IPA_WDI_SETUP_INFO_SMMU_PKT_OFFSET(rx_smmu) =
  1789. soc->rx_pkt_tlv_size + L3_HEADER_PADDING;
  1790. }
  1791. QDF_STATUS dp_ipa_setup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1792. void *ipa_i2w_cb, void *ipa_w2i_cb,
  1793. void *ipa_wdi_meter_notifier_cb,
  1794. uint32_t ipa_desc_size, void *ipa_priv,
  1795. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1796. uint32_t *rx_pipe_handle, bool is_smmu_enabled,
  1797. qdf_ipa_sys_connect_params_t *sys_in, bool over_gsi,
  1798. qdf_ipa_wdi_hdl_t hdl, qdf_ipa_wdi_hdl_t id)
  1799. {
  1800. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1801. struct dp_pdev *pdev =
  1802. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1803. struct dp_ipa_resources *ipa_res;
  1804. qdf_ipa_ep_cfg_t *tx_cfg;
  1805. qdf_ipa_ep_cfg_t *rx_cfg;
  1806. qdf_ipa_wdi_pipe_setup_info_t *tx = NULL;
  1807. qdf_ipa_wdi_pipe_setup_info_t *rx = NULL;
  1808. qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu;
  1809. qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu = NULL;
  1810. qdf_ipa_wdi_conn_in_params_t *pipe_in = NULL;
  1811. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1812. int ret;
  1813. if (!pdev) {
  1814. dp_err("Invalid instance");
  1815. return QDF_STATUS_E_FAILURE;
  1816. }
  1817. ipa_res = &pdev->ipa_resource;
  1818. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1819. return QDF_STATUS_SUCCESS;
  1820. pipe_in = qdf_mem_malloc(sizeof(*pipe_in));
  1821. if (!pipe_in)
  1822. return QDF_STATUS_E_NOMEM;
  1823. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  1824. if (is_smmu_enabled)
  1825. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in) = true;
  1826. else
  1827. QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in) = false;
  1828. dp_setup_mcc_sys_pipes(sys_in, pipe_in);
  1829. /* TX PIPE */
  1830. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in)) {
  1831. tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_SMMU(pipe_in);
  1832. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
  1833. } else {
  1834. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(pipe_in);
  1835. tx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(tx);
  1836. }
  1837. QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
  1838. QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1839. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
  1840. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
  1841. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
  1842. QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
  1843. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;
  1844. /**
  1845. * Transfer Ring: WBM Ring
  1846. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  1847. * Event Ring: TCL ring
  1848. * Event Ring Doorbell PA: TCL Head Pointer Address
  1849. */
  1850. if (is_smmu_enabled)
  1851. dp_ipa_wdi_tx_smmu_params(soc, ipa_res, tx_smmu, over_gsi, id);
  1852. else
  1853. dp_ipa_wdi_tx_params(soc, ipa_res, tx, over_gsi);
  1854. dp_ipa_setup_tx_alt_pipe(soc, ipa_res, pipe_in);
  1855. /* RX PIPE */
  1856. if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(pipe_in)) {
  1857. rx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_RX_SMMU(pipe_in);
  1858. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(rx_smmu);
  1859. } else {
  1860. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(pipe_in);
  1861. rx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(rx);
  1862. }
  1863. QDF_IPA_EP_CFG_NAT_EN(rx_cfg) = IPA_BYPASS_NAT;
  1864. QDF_IPA_EP_CFG_HDR_LEN(rx_cfg) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  1865. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(rx_cfg) = 1;
  1866. QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(rx_cfg) = 0;
  1867. QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(rx_cfg) = 0;
  1868. QDF_IPA_EP_CFG_HDR_OFST_METADATA_VALID(rx_cfg) = 0;
  1869. QDF_IPA_EP_CFG_HDR_METADATA_REG_VALID(rx_cfg) = 1;
  1870. QDF_IPA_EP_CFG_MODE(rx_cfg) = IPA_BASIC;
  1871. QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(rx_cfg) = true;
  1872. /**
  1873. * Transfer Ring: REO Ring
  1874. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  1875. * Event Ring: FW ring
  1876. * Event Ring Doorbell PA: FW Head Pointer Address
  1877. */
  1878. if (is_smmu_enabled)
  1879. dp_ipa_wdi_rx_smmu_params(soc, ipa_res, rx_smmu, over_gsi, id);
  1880. else
  1881. dp_ipa_wdi_rx_params(soc, ipa_res, rx, over_gsi);
  1882. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(pipe_in) = ipa_w2i_cb;
  1883. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(pipe_in) = ipa_priv;
  1884. QDF_IPA_WDI_CONN_IN_PARAMS_HANDLE(pipe_in) = hdl;
  1885. /* Connect WDI IPA PIPEs */
  1886. ret = qdf_ipa_wdi_conn_pipes(pipe_in, &pipe_out);
  1887. if (ret) {
  1888. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1889. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  1890. __func__, ret);
  1891. qdf_mem_free(pipe_in);
  1892. return QDF_STATUS_E_FAILURE;
  1893. }
  1894. /* IPA uC Doorbell registers */
  1895. dp_info("Tx DB PA=0x%x, Rx DB PA=0x%x",
  1896. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  1897. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  1898. dp_ipa_set_pipe_db(ipa_res, &pipe_out);
  1899. ipa_res->is_db_ddr_mapped =
  1900. QDF_IPA_WDI_CONN_OUT_PARAMS_IS_DB_DDR_MAPPED(&pipe_out);
  1901. soc->ipa_first_tx_db_access = true;
  1902. qdf_mem_free(pipe_in);
  1903. qdf_spinlock_create(&soc->ipa_rx_buf_map_lock);
  1904. soc->ipa_rx_buf_map_lock_initialized = true;
  1905. return QDF_STATUS_SUCCESS;
  1906. }
  1907. /**
  1908. * dp_ipa_setup_iface() - Setup IPA header and register interface
  1909. * @ifname: Interface name
  1910. * @mac_addr: Interface MAC address
  1911. * @prod_client: IPA prod client type
  1912. * @cons_client: IPA cons client type
  1913. * @session_id: Session ID
  1914. * @is_ipv6_enabled: Is IPV6 enabled or not
  1915. * @hdl: IPA handle
  1916. *
  1917. * Return: QDF_STATUS
  1918. */
  1919. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  1920. qdf_ipa_client_type_t prod_client,
  1921. qdf_ipa_client_type_t cons_client,
  1922. uint8_t session_id, bool is_ipv6_enabled,
  1923. qdf_ipa_wdi_hdl_t hdl)
  1924. {
  1925. qdf_ipa_wdi_reg_intf_in_params_t in;
  1926. qdf_ipa_wdi_hdr_info_t hdr_info;
  1927. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  1928. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  1929. int ret = -EINVAL;
  1930. qdf_mem_zero(&in, sizeof(qdf_ipa_wdi_reg_intf_in_params_t));
  1931. dp_debug("Add Partial hdr: %s, "QDF_MAC_ADDR_FMT, ifname,
  1932. QDF_MAC_ADDR_REF(mac_addr));
  1933. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1934. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  1935. /* IPV4 header */
  1936. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  1937. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  1938. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  1939. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  1940. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  1941. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  1942. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  1943. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  1944. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1945. QDF_IPA_WDI_REG_INTF_IN_PARAMS_ALT_DST_PIPE(&in) = cons_client;
  1946. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  1947. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  1948. QDF_IPA_WDI_REG_INTF_IN_PARAMS_HANDLE(&in) = hdl;
  1949. dp_ipa_setup_iface_session_id(&in, session_id);
  1950. /* IPV6 header */
  1951. if (is_ipv6_enabled) {
  1952. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  1953. DP_IPA_UC_WLAN_TX_HDR_LEN);
  1954. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  1955. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  1956. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  1957. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  1958. }
  1959. dp_debug("registering for session_id: %u", session_id);
  1960. ret = qdf_ipa_wdi_reg_intf(&in);
  1961. if (ret) {
  1962. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  1963. "%s: ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  1964. __func__, ret);
  1965. return QDF_STATUS_E_FAILURE;
  1966. }
  1967. return QDF_STATUS_SUCCESS;
  1968. }
  1969. #else /* !CONFIG_IPA_WDI_UNIFIED_API */
  1970. QDF_STATUS dp_ipa_setup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  1971. void *ipa_i2w_cb, void *ipa_w2i_cb,
  1972. void *ipa_wdi_meter_notifier_cb,
  1973. uint32_t ipa_desc_size, void *ipa_priv,
  1974. bool is_rm_enabled, uint32_t *tx_pipe_handle,
  1975. uint32_t *rx_pipe_handle)
  1976. {
  1977. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  1978. struct dp_pdev *pdev =
  1979. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  1980. struct dp_ipa_resources *ipa_res;
  1981. qdf_ipa_wdi_pipe_setup_info_t *tx;
  1982. qdf_ipa_wdi_pipe_setup_info_t *rx;
  1983. qdf_ipa_wdi_conn_in_params_t pipe_in;
  1984. qdf_ipa_wdi_conn_out_params_t pipe_out;
  1985. struct tcl_data_cmd *tcl_desc_ptr;
  1986. uint8_t *desc_addr;
  1987. uint32_t desc_size;
  1988. int ret;
  1989. if (!pdev) {
  1990. dp_err("Invalid instance");
  1991. return QDF_STATUS_E_FAILURE;
  1992. }
  1993. ipa_res = &pdev->ipa_resource;
  1994. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  1995. return QDF_STATUS_SUCCESS;
  1996. qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1997. qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
  1998. qdf_mem_zero(&pipe_in, sizeof(pipe_in));
  1999. qdf_mem_zero(&pipe_out, sizeof(pipe_out));
  2000. /* TX PIPE */
  2001. /**
  2002. * Transfer Ring: WBM Ring
  2003. * Transfer Ring Doorbell PA: WBM Tail Pointer Address
  2004. * Event Ring: TCL ring
  2005. * Event Ring Doorbell PA: TCL Head Pointer Address
  2006. */
  2007. tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
  2008. QDF_IPA_WDI_SETUP_INFO_NAT_EN(tx) = IPA_BYPASS_NAT;
  2009. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(tx) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  2010. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(tx) = 0;
  2011. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(tx) = 0;
  2012. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(tx) = 0;
  2013. QDF_IPA_WDI_SETUP_INFO_MODE(tx) = IPA_BASIC;
  2014. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(tx) = true;
  2015. QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
  2016. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
  2017. ipa_res->tx_comp_ring_base_paddr;
  2018. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
  2019. ipa_res->tx_comp_ring_size;
  2020. /* WBM Tail Pointer Address */
  2021. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
  2022. soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
  2023. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
  2024. ipa_res->tx_ring_base_paddr;
  2025. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) = ipa_res->tx_ring_size;
  2026. /* TCL Head Pointer Address */
  2027. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
  2028. soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
  2029. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
  2030. ipa_res->tx_num_alloc_buffer;
  2031. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;
  2032. /* Preprogram TCL descriptor */
  2033. desc_addr =
  2034. (uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
  2035. desc_size = sizeof(struct tcl_data_cmd);
  2036. HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
  2037. tcl_desc_ptr = (struct tcl_data_cmd *)
  2038. (QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
  2039. tcl_desc_ptr->buf_addr_info.return_buffer_manager =
  2040. HAL_RX_BUF_RBM_SW2_BM;
  2041. tcl_desc_ptr->addrx_en = 1; /* Address X search enable in ASE */
  2042. tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
  2043. tcl_desc_ptr->packet_offset = 2; /* padding for alignment */
  2044. /* RX PIPE */
  2045. /**
  2046. * Transfer Ring: REO Ring
  2047. * Transfer Ring Doorbell PA: REO Tail Pointer Address
  2048. * Event Ring: FW ring
  2049. * Event Ring Doorbell PA: FW Head Pointer Address
  2050. */
  2051. rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
  2052. QDF_IPA_WDI_SETUP_INFO_NAT_EN(rx) = IPA_BYPASS_NAT;
  2053. QDF_IPA_WDI_SETUP_INFO_HDR_LEN(rx) = DP_IPA_UC_WLAN_RX_HDR_LEN;
  2054. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(rx) = 0;
  2055. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(rx) = 0;
  2056. QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(rx) = 0;
  2057. QDF_IPA_WDI_SETUP_INFO_HDR_OFST_METADATA_VALID(rx) = 0;
  2058. QDF_IPA_WDI_SETUP_INFO_HDR_METADATA_REG_VALID(rx) = 1;
  2059. QDF_IPA_WDI_SETUP_INFO_MODE(rx) = IPA_BASIC;
  2060. QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(rx) = true;
  2061. QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) = IPA_CLIENT_WLAN1_PROD;
  2062. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
  2063. ipa_res->rx_rdy_ring_base_paddr;
  2064. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
  2065. ipa_res->rx_rdy_ring_size;
  2066. /* REO Tail Pointer Address */
  2067. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
  2068. soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
  2069. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
  2070. ipa_res->rx_refill_ring_base_paddr;
  2071. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
  2072. ipa_res->rx_refill_ring_size;
  2073. /* FW Head Pointer Address */
  2074. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
  2075. soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
  2076. QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) = soc->rx_pkt_tlv_size +
  2077. L3_HEADER_PADDING;
  2078. QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
  2079. QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;
  2080. /* Connect WDI IPA PIPE */
  2081. ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
  2082. if (ret) {
  2083. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2084. "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
  2085. __func__, ret);
  2086. return QDF_STATUS_E_FAILURE;
  2087. }
  2088. /* IPA uC Doorbell registers */
  2089. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2090. "%s: Tx DB PA=0x%x, Rx DB PA=0x%x",
  2091. __func__,
  2092. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
  2093. (unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));
  2094. ipa_res->tx_comp_doorbell_paddr =
  2095. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
  2096. ipa_res->tx_comp_doorbell_vaddr =
  2097. QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_VA(&pipe_out);
  2098. ipa_res->rx_ready_doorbell_paddr =
  2099. QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);
  2100. soc->ipa_first_tx_db_access = true;
  2101. qdf_spinlock_create(&soc->ipa_rx_buf_map_lock);
  2102. soc->ipa_rx_buf_map_lock_initialized = true;
  2103. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2104. "%s: Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  2105. __func__,
  2106. "transfer_ring_base_pa",
  2107. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
  2108. "transfer_ring_size",
  2109. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
  2110. "transfer_ring_doorbell_pa",
  2111. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
  2112. "event_ring_base_pa",
  2113. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
  2114. "event_ring_size",
  2115. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
  2116. "event_ring_doorbell_pa",
  2117. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
  2118. "num_pkt_buffers",
  2119. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
  2120. "tx_comp_doorbell_paddr",
  2121. (void *)ipa_res->tx_comp_doorbell_paddr);
  2122. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2123. "%s: Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
  2124. __func__,
  2125. "transfer_ring_base_pa",
  2126. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
  2127. "transfer_ring_size",
  2128. QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
  2129. "transfer_ring_doorbell_pa",
  2130. (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
  2131. "event_ring_base_pa",
  2132. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
  2133. "event_ring_size",
  2134. QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
  2135. "event_ring_doorbell_pa",
  2136. (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
  2137. "num_pkt_buffers",
  2138. QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
  2139. "tx_comp_doorbell_paddr",
  2140. (void *)ipa_res->rx_ready_doorbell_paddr);
  2141. return QDF_STATUS_SUCCESS;
  2142. }
  2143. /**
  2144. * dp_ipa_setup_iface() - Setup IPA header and register interface
  2145. * @ifname: Interface name
  2146. * @mac_addr: Interface MAC address
  2147. * @prod_client: IPA prod client type
  2148. * @cons_client: IPA cons client type
  2149. * @session_id: Session ID
  2150. * @is_ipv6_enabled: Is IPV6 enabled or not
  2151. * @hdl: IPA handle
  2152. *
  2153. * Return: QDF_STATUS
  2154. */
  2155. QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
  2156. qdf_ipa_client_type_t prod_client,
  2157. qdf_ipa_client_type_t cons_client,
  2158. uint8_t session_id, bool is_ipv6_enabled,
  2159. qdf_ipa_wdi_hdl_t hdl)
  2160. {
  2161. qdf_ipa_wdi_reg_intf_in_params_t in;
  2162. qdf_ipa_wdi_hdr_info_t hdr_info;
  2163. struct dp_ipa_uc_tx_hdr uc_tx_hdr;
  2164. struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
  2165. int ret = -EINVAL;
  2166. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
  2167. "%s: Add Partial hdr: %s, "QDF_MAC_ADDR_FMT,
  2168. __func__, ifname, QDF_MAC_ADDR_REF(mac_addr));
  2169. qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2170. qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);
  2171. /* IPV4 header */
  2172. uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);
  2173. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
  2174. QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
  2175. QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
  2176. QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
  2177. DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;
  2178. QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
  2179. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
  2180. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2181. QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
  2182. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
  2183. htonl(session_id << 16);
  2184. QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);
  2185. /* IPV6 header */
  2186. if (is_ipv6_enabled) {
  2187. qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
  2188. DP_IPA_UC_WLAN_TX_HDR_LEN);
  2189. uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
  2190. QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
  2191. qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
  2192. &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
  2193. }
  2194. ret = qdf_ipa_wdi_reg_intf(&in);
  2195. if (ret) {
  2196. dp_err("ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
  2197. ret);
  2198. return QDF_STATUS_E_FAILURE;
  2199. }
  2200. return QDF_STATUS_SUCCESS;
  2201. }
  2202. #endif /* CONFIG_IPA_WDI_UNIFIED_API */
  2203. /**
  2204. * dp_ipa_cleanup() - Disconnect IPA pipes
  2205. * @soc_hdl: dp soc handle
  2206. * @pdev_id: dp pdev id
  2207. * @tx_pipe_handle: Tx pipe handle
  2208. * @rx_pipe_handle: Rx pipe handle
  2209. * @hdl: IPA handle
  2210. *
  2211. * Return: QDF_STATUS
  2212. */
  2213. QDF_STATUS dp_ipa_cleanup(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2214. uint32_t tx_pipe_handle, uint32_t rx_pipe_handle,
  2215. qdf_ipa_wdi_hdl_t hdl)
  2216. {
  2217. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2218. QDF_STATUS status = QDF_STATUS_SUCCESS;
  2219. struct dp_pdev *pdev;
  2220. int ret;
  2221. ret = qdf_ipa_wdi_disconn_pipes(hdl);
  2222. if (ret) {
  2223. dp_err("ipa_wdi_disconn_pipes: IPA pipe cleanup failed: ret=%d",
  2224. ret);
  2225. status = QDF_STATUS_E_FAILURE;
  2226. }
  2227. if (soc->ipa_rx_buf_map_lock_initialized) {
  2228. qdf_spinlock_destroy(&soc->ipa_rx_buf_map_lock);
  2229. soc->ipa_rx_buf_map_lock_initialized = false;
  2230. }
  2231. pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2232. if (qdf_unlikely(!pdev)) {
  2233. dp_err_rl("Invalid pdev for pdev_id %d", pdev_id);
  2234. status = QDF_STATUS_E_FAILURE;
  2235. goto exit;
  2236. }
  2237. dp_ipa_unmap_ring_doorbell_paddr(pdev);
  2238. exit:
  2239. return status;
  2240. }
  2241. /**
  2242. * dp_ipa_cleanup_iface() - Cleanup IPA header and deregister interface
  2243. * @ifname: Interface name
  2244. * @is_ipv6_enabled: Is IPV6 enabled or not
  2245. * @hdl: IPA handle
  2246. *
  2247. * Return: QDF_STATUS
  2248. */
  2249. QDF_STATUS dp_ipa_cleanup_iface(char *ifname, bool is_ipv6_enabled,
  2250. qdf_ipa_wdi_hdl_t hdl)
  2251. {
  2252. int ret;
  2253. ret = qdf_ipa_wdi_dereg_intf(ifname, hdl);
  2254. if (ret) {
  2255. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2256. "%s: ipa_wdi_dereg_intf: IPA pipe deregistration failed: ret=%d",
  2257. __func__, ret);
  2258. return QDF_STATUS_E_FAILURE;
  2259. }
  2260. return QDF_STATUS_SUCCESS;
  2261. }
  2262. #ifdef IPA_SET_RESET_TX_DB_PA
  2263. #define DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res) \
  2264. dp_ipa_set_tx_doorbell_paddr((soc), (ipa_res))
  2265. #define DP_IPA_RESET_TX_DB_PA(soc, ipa_res) \
  2266. dp_ipa_reset_tx_doorbell_pa((soc), (ipa_res))
  2267. #else
  2268. #define DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res)
  2269. #define DP_IPA_RESET_TX_DB_PA(soc, ipa_res)
  2270. #endif
  2271. QDF_STATUS dp_ipa_enable_pipes(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2272. qdf_ipa_wdi_hdl_t hdl)
  2273. {
  2274. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2275. struct dp_pdev *pdev =
  2276. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2277. struct dp_ipa_resources *ipa_res;
  2278. QDF_STATUS result;
  2279. if (!pdev) {
  2280. dp_err("Invalid instance");
  2281. return QDF_STATUS_E_FAILURE;
  2282. }
  2283. ipa_res = &pdev->ipa_resource;
  2284. qdf_atomic_set(&soc->ipa_pipes_enabled, 1);
  2285. DP_IPA_EP_SET_TX_DB_PA(soc, ipa_res);
  2286. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, true);
  2287. result = qdf_ipa_wdi_enable_pipes(hdl);
  2288. if (result) {
  2289. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2290. "%s: Enable WDI PIPE fail, code %d",
  2291. __func__, result);
  2292. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  2293. DP_IPA_RESET_TX_DB_PA(soc, ipa_res);
  2294. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  2295. return QDF_STATUS_E_FAILURE;
  2296. }
  2297. if (soc->ipa_first_tx_db_access) {
  2298. dp_ipa_tx_comp_ring_init_hp(soc, ipa_res);
  2299. soc->ipa_first_tx_db_access = false;
  2300. }
  2301. return QDF_STATUS_SUCCESS;
  2302. }
  2303. QDF_STATUS dp_ipa_disable_pipes(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  2304. qdf_ipa_wdi_hdl_t hdl)
  2305. {
  2306. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2307. struct dp_pdev *pdev =
  2308. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2309. QDF_STATUS result;
  2310. struct dp_ipa_resources *ipa_res;
  2311. if (!pdev) {
  2312. dp_err("Invalid instance");
  2313. return QDF_STATUS_E_FAILURE;
  2314. }
  2315. ipa_res = &pdev->ipa_resource;
  2316. qdf_sleep(TX_COMP_DRAIN_WAIT_TIMEOUT_MS);
  2317. /*
  2318. * Reset the tx completion doorbell address before invoking IPA disable
  2319. * pipes API to ensure that there is no access to IPA tx doorbell
  2320. * address post disable pipes.
  2321. */
  2322. DP_IPA_RESET_TX_DB_PA(soc, ipa_res);
  2323. result = qdf_ipa_wdi_disable_pipes(hdl);
  2324. if (result) {
  2325. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2326. "%s: Disable WDI PIPE fail, code %d",
  2327. __func__, result);
  2328. qdf_assert_always(0);
  2329. return QDF_STATUS_E_FAILURE;
  2330. }
  2331. qdf_atomic_set(&soc->ipa_pipes_enabled, 0);
  2332. dp_ipa_handle_rx_buf_pool_smmu_mapping(soc, pdev, false);
  2333. return result ? QDF_STATUS_E_FAILURE : QDF_STATUS_SUCCESS;
  2334. }
  2335. /**
  2336. * dp_ipa_set_perf_level() - Set IPA clock bandwidth based on data rates
  2337. * @client: Client type
  2338. * @max_supported_bw_mbps: Maximum bandwidth needed (in Mbps)
  2339. * @hdl: IPA handle
  2340. *
  2341. * Return: QDF_STATUS
  2342. */
  2343. QDF_STATUS dp_ipa_set_perf_level(int client, uint32_t max_supported_bw_mbps,
  2344. qdf_ipa_wdi_hdl_t hdl)
  2345. {
  2346. qdf_ipa_wdi_perf_profile_t profile;
  2347. QDF_STATUS result;
  2348. profile.client = client;
  2349. profile.max_supported_bw_mbps = max_supported_bw_mbps;
  2350. result = qdf_ipa_wdi_set_perf_profile(hdl, &profile);
  2351. if (result) {
  2352. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
  2353. "%s: ipa_wdi_set_perf_profile fail, code %d",
  2354. __func__, result);
  2355. return QDF_STATUS_E_FAILURE;
  2356. }
  2357. return QDF_STATUS_SUCCESS;
  2358. }
  2359. /**
  2360. * dp_ipa_intrabss_send - send IPA RX intra-bss frames
  2361. * @pdev: pdev
  2362. * @vdev: vdev
  2363. * @nbuf: skb
  2364. *
  2365. * Return: nbuf if TX fails and NULL if TX succeeds
  2366. */
  2367. static qdf_nbuf_t dp_ipa_intrabss_send(struct dp_pdev *pdev,
  2368. struct dp_vdev *vdev,
  2369. qdf_nbuf_t nbuf)
  2370. {
  2371. struct dp_peer *vdev_peer;
  2372. uint16_t len;
  2373. vdev_peer = dp_vdev_bss_peer_ref_n_get(pdev->soc, vdev, DP_MOD_ID_IPA);
  2374. if (qdf_unlikely(!vdev_peer))
  2375. return nbuf;
  2376. if (qdf_unlikely(!vdev_peer->txrx_peer)) {
  2377. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2378. return nbuf;
  2379. }
  2380. qdf_mem_zero(nbuf->cb, sizeof(nbuf->cb));
  2381. len = qdf_nbuf_len(nbuf);
  2382. if (dp_tx_send((struct cdp_soc_t *)pdev->soc, vdev->vdev_id, nbuf)) {
  2383. DP_PEER_PER_PKT_STATS_INC_PKT(vdev_peer->txrx_peer,
  2384. rx.intra_bss.fail, 1, len);
  2385. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2386. return nbuf;
  2387. }
  2388. DP_PEER_PER_PKT_STATS_INC_PKT(vdev_peer->txrx_peer,
  2389. rx.intra_bss.pkts, 1, len);
  2390. dp_peer_unref_delete(vdev_peer, DP_MOD_ID_IPA);
  2391. return NULL;
  2392. }
  2393. bool dp_ipa_rx_intrabss_fwd(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  2394. qdf_nbuf_t nbuf, bool *fwd_success)
  2395. {
  2396. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2397. struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id,
  2398. DP_MOD_ID_IPA);
  2399. struct dp_pdev *pdev;
  2400. struct dp_peer *da_peer;
  2401. struct dp_peer *sa_peer;
  2402. qdf_nbuf_t nbuf_copy;
  2403. uint8_t da_is_bcmc;
  2404. struct ethhdr *eh;
  2405. bool status = false;
  2406. *fwd_success = false; /* set default as failure */
  2407. /*
  2408. * WDI 3.0 skb->cb[] info from IPA driver
  2409. * skb->cb[0] = vdev_id
  2410. * skb->cb[1].bit#1 = da_is_bcmc
  2411. */
  2412. da_is_bcmc = ((uint8_t)nbuf->cb[1]) & 0x2;
  2413. if (qdf_unlikely(!vdev))
  2414. return false;
  2415. pdev = vdev->pdev;
  2416. if (qdf_unlikely(!pdev))
  2417. goto out;
  2418. /* no fwd for station mode and just pass up to stack */
  2419. if (vdev->opmode == wlan_op_mode_sta)
  2420. goto out;
  2421. if (da_is_bcmc) {
  2422. nbuf_copy = qdf_nbuf_copy(nbuf);
  2423. if (!nbuf_copy)
  2424. goto out;
  2425. if (dp_ipa_intrabss_send(pdev, vdev, nbuf_copy))
  2426. qdf_nbuf_free(nbuf_copy);
  2427. else
  2428. *fwd_success = true;
  2429. /* return false to pass original pkt up to stack */
  2430. goto out;
  2431. }
  2432. eh = (struct ethhdr *)qdf_nbuf_data(nbuf);
  2433. if (!qdf_mem_cmp(eh->h_dest, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE))
  2434. goto out;
  2435. da_peer = dp_peer_find_hash_find(soc, eh->h_dest, 0, vdev->vdev_id,
  2436. DP_MOD_ID_IPA);
  2437. if (!da_peer)
  2438. goto out;
  2439. dp_peer_unref_delete(da_peer, DP_MOD_ID_IPA);
  2440. sa_peer = dp_peer_find_hash_find(soc, eh->h_source, 0, vdev->vdev_id,
  2441. DP_MOD_ID_IPA);
  2442. if (!sa_peer)
  2443. goto out;
  2444. dp_peer_unref_delete(sa_peer, DP_MOD_ID_IPA);
  2445. /*
  2446. * In intra-bss forwarding scenario, skb is allocated by IPA driver.
  2447. * Need to add skb to internal tracking table to avoid nbuf memory
  2448. * leak check for unallocated skb.
  2449. */
  2450. qdf_net_buf_debug_acquire_skb(nbuf, __FILE__, __LINE__);
  2451. if (dp_ipa_intrabss_send(pdev, vdev, nbuf))
  2452. qdf_nbuf_free(nbuf);
  2453. else
  2454. *fwd_success = true;
  2455. status = true;
  2456. out:
  2457. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_IPA);
  2458. return status;
  2459. }
  2460. #ifdef MDM_PLATFORM
  2461. bool dp_ipa_is_mdm_platform(void)
  2462. {
  2463. return true;
  2464. }
  2465. #else
  2466. bool dp_ipa_is_mdm_platform(void)
  2467. {
  2468. return false;
  2469. }
  2470. #endif
  2471. /**
  2472. * dp_ipa_frag_nbuf_linearize - linearize nbuf for IPA
  2473. * @soc: soc
  2474. * @nbuf: source skb
  2475. *
  2476. * Return: new nbuf if success and otherwise NULL
  2477. */
  2478. static qdf_nbuf_t dp_ipa_frag_nbuf_linearize(struct dp_soc *soc,
  2479. qdf_nbuf_t nbuf)
  2480. {
  2481. uint8_t *src_nbuf_data;
  2482. uint8_t *dst_nbuf_data;
  2483. qdf_nbuf_t dst_nbuf;
  2484. qdf_nbuf_t temp_nbuf = nbuf;
  2485. uint32_t nbuf_len = qdf_nbuf_len(nbuf);
  2486. bool is_nbuf_head = true;
  2487. uint32_t copy_len = 0;
  2488. dst_nbuf = qdf_nbuf_alloc(soc->osdev, RX_DATA_BUFFER_SIZE,
  2489. RX_BUFFER_RESERVATION,
  2490. RX_DATA_BUFFER_ALIGNMENT, FALSE);
  2491. if (!dst_nbuf) {
  2492. dp_err_rl("nbuf allocate fail");
  2493. return NULL;
  2494. }
  2495. if ((nbuf_len + L3_HEADER_PADDING) > RX_DATA_BUFFER_SIZE) {
  2496. qdf_nbuf_free(dst_nbuf);
  2497. dp_err_rl("nbuf is jumbo data");
  2498. return NULL;
  2499. }
  2500. /* prepeare to copy all data into new skb */
  2501. dst_nbuf_data = qdf_nbuf_data(dst_nbuf);
  2502. while (temp_nbuf) {
  2503. src_nbuf_data = qdf_nbuf_data(temp_nbuf);
  2504. /* first head nbuf */
  2505. if (is_nbuf_head) {
  2506. qdf_mem_copy(dst_nbuf_data, src_nbuf_data,
  2507. soc->rx_pkt_tlv_size);
  2508. /* leave extra 2 bytes L3_HEADER_PADDING */
  2509. dst_nbuf_data += (soc->rx_pkt_tlv_size +
  2510. L3_HEADER_PADDING);
  2511. src_nbuf_data += soc->rx_pkt_tlv_size;
  2512. copy_len = qdf_nbuf_headlen(temp_nbuf) -
  2513. soc->rx_pkt_tlv_size;
  2514. temp_nbuf = qdf_nbuf_get_ext_list(temp_nbuf);
  2515. is_nbuf_head = false;
  2516. } else {
  2517. copy_len = qdf_nbuf_len(temp_nbuf);
  2518. temp_nbuf = qdf_nbuf_queue_next(temp_nbuf);
  2519. }
  2520. qdf_mem_copy(dst_nbuf_data, src_nbuf_data, copy_len);
  2521. dst_nbuf_data += copy_len;
  2522. }
  2523. qdf_nbuf_set_len(dst_nbuf, nbuf_len);
  2524. /* copy is done, free original nbuf */
  2525. qdf_nbuf_free(nbuf);
  2526. return dst_nbuf;
  2527. }
  2528. /**
  2529. * dp_ipa_handle_rx_reo_reinject - Handle RX REO reinject skb buffer
  2530. * @soc: soc
  2531. * @nbuf: skb
  2532. *
  2533. * Return: nbuf if success and otherwise NULL
  2534. */
  2535. qdf_nbuf_t dp_ipa_handle_rx_reo_reinject(struct dp_soc *soc, qdf_nbuf_t nbuf)
  2536. {
  2537. if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
  2538. return nbuf;
  2539. /* WLAN IPA is run-time disabled */
  2540. if (!qdf_atomic_read(&soc->ipa_pipes_enabled))
  2541. return nbuf;
  2542. if (!qdf_nbuf_is_frag(nbuf))
  2543. return nbuf;
  2544. /* linearize skb for IPA */
  2545. return dp_ipa_frag_nbuf_linearize(soc, nbuf);
  2546. }
  2547. QDF_STATUS dp_ipa_tx_buf_smmu_mapping(
  2548. struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  2549. {
  2550. QDF_STATUS ret;
  2551. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2552. struct dp_pdev *pdev =
  2553. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2554. if (!pdev) {
  2555. dp_err("%s invalid instance", __func__);
  2556. return QDF_STATUS_E_FAILURE;
  2557. }
  2558. if (!qdf_mem_smmu_s1_enabled(soc->osdev)) {
  2559. dp_debug("SMMU S1 disabled");
  2560. return QDF_STATUS_SUCCESS;
  2561. }
  2562. ret = __dp_ipa_tx_buf_smmu_mapping(soc, pdev, true);
  2563. if (ret)
  2564. return ret;
  2565. ret = dp_ipa_tx_alt_buf_smmu_mapping(soc, pdev, true);
  2566. if (ret)
  2567. __dp_ipa_tx_buf_smmu_mapping(soc, pdev, false);
  2568. return ret;
  2569. }
  2570. QDF_STATUS dp_ipa_tx_buf_smmu_unmapping(
  2571. struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
  2572. {
  2573. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  2574. struct dp_pdev *pdev =
  2575. dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
  2576. if (!pdev) {
  2577. dp_err("%s invalid instance", __func__);
  2578. return QDF_STATUS_E_FAILURE;
  2579. }
  2580. if (!qdf_mem_smmu_s1_enabled(soc->osdev)) {
  2581. dp_debug("SMMU S1 disabled");
  2582. return QDF_STATUS_SUCCESS;
  2583. }
  2584. if (__dp_ipa_tx_buf_smmu_mapping(soc, pdev, false) ||
  2585. dp_ipa_tx_alt_buf_smmu_mapping(soc, pdev, false))
  2586. return QDF_STATUS_E_FAILURE;
  2587. return QDF_STATUS_SUCCESS;
  2588. }
  2589. #endif