dp_peer.c 109 KB

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  1. /*
  2. * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  4. *
  5. * Permission to use, copy, modify, and/or distribute this software for
  6. * any purpose with or without fee is hereby granted, provided that the
  7. * above copyright notice and this permission notice appear in all
  8. * copies.
  9. *
  10. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11. * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12. * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13. * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14. * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15. * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16. * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17. * PERFORMANCE OF THIS SOFTWARE.
  18. */
  19. #include <qdf_types.h>
  20. #include <qdf_lock.h>
  21. #include <hal_hw_headers.h>
  22. #include "dp_htt.h"
  23. #include "dp_types.h"
  24. #include "dp_internal.h"
  25. #include "dp_peer.h"
  26. #include "dp_rx_defrag.h"
  27. #include "dp_rx.h"
  28. #include <hal_api.h>
  29. #include <hal_reo.h>
  30. #include <cdp_txrx_handle.h>
  31. #include <wlan_cfg.h>
  32. #ifdef WIFI_MONITOR_SUPPORT
  33. #include <dp_mon.h>
  34. #endif
  35. #ifdef FEATURE_WDS
  36. #include "dp_txrx_wds.h"
  37. #endif
  38. #include <qdf_module.h>
  39. #ifdef QCA_PEER_EXT_STATS
  40. #include "dp_hist.h"
  41. #endif
  42. #ifdef BYPASS_OL_OPS
  43. #include <target_if_dp.h>
  44. #endif
  45. #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
  46. #include "reg_services_common.h"
  47. #endif
  48. #ifdef FEATURE_AST
  49. #ifdef BYPASS_OL_OPS
  50. /**
  51. * dp_add_wds_entry_wrapper() - Add new AST entry for the wds station
  52. * @soc: DP soc structure pointer
  53. * @peer: dp peer structure
  54. * @dest_macaddr: MAC address of ast node
  55. * @flags: wds or hmwds
  56. * @type: type from enum cdp_txrx_ast_entry_type
  57. *
  58. * This API is used by WDS source port learning function to
  59. * add a new AST entry in the fw.
  60. *
  61. * Return: 0 on success, error code otherwise.
  62. */
  63. static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
  64. struct dp_peer *peer,
  65. const uint8_t *dest_macaddr,
  66. uint32_t flags,
  67. uint8_t type)
  68. {
  69. QDF_STATUS status;
  70. status = target_if_add_wds_entry(soc->ctrl_psoc,
  71. peer->vdev->vdev_id,
  72. peer->mac_addr.raw,
  73. dest_macaddr,
  74. WMI_HOST_WDS_FLAG_STATIC,
  75. type);
  76. return qdf_status_to_os_return(status);
  77. }
  78. /**
  79. * dp_update_wds_entry_wrapper() - update an existing wds entry with new peer
  80. * @soc: DP soc structure pointer
  81. * @peer: dp peer structure
  82. * @dest_macaddr: MAC address of ast node
  83. * @flags: wds or hmwds
  84. *
  85. * This API is used by update the peer mac address for the ast
  86. * in the fw.
  87. *
  88. * Return: 0 on success, error code otherwise.
  89. */
  90. static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
  91. struct dp_peer *peer,
  92. uint8_t *dest_macaddr,
  93. uint32_t flags)
  94. {
  95. QDF_STATUS status;
  96. status = target_if_update_wds_entry(soc->ctrl_psoc,
  97. peer->vdev->vdev_id,
  98. dest_macaddr,
  99. peer->mac_addr.raw,
  100. WMI_HOST_WDS_FLAG_STATIC);
  101. return qdf_status_to_os_return(status);
  102. }
  103. /**
  104. * dp_del_wds_entry_wrapper() - delete a WSD AST entry
  105. * @soc: DP soc structure pointer
  106. * @vdev_id: vdev_id
  107. * @wds_macaddr: MAC address of ast node
  108. * @type: type from enum cdp_txrx_ast_entry_type
  109. * @delete_in_fw: Flag to indicate if entry needs to be deleted in fw
  110. *
  111. * This API is used to delete an AST entry from fw
  112. *
  113. * Return: None
  114. */
  115. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  116. uint8_t vdev_id,
  117. uint8_t *wds_macaddr,
  118. uint8_t type,
  119. uint8_t delete_in_fw)
  120. {
  121. target_if_del_wds_entry(soc->ctrl_psoc, vdev_id,
  122. wds_macaddr, type, delete_in_fw);
  123. }
  124. #else
  125. static int dp_add_wds_entry_wrapper(struct dp_soc *soc,
  126. struct dp_peer *peer,
  127. const uint8_t *dest_macaddr,
  128. uint32_t flags,
  129. uint8_t type)
  130. {
  131. int status;
  132. status = soc->cdp_soc.ol_ops->peer_add_wds_entry(
  133. soc->ctrl_psoc,
  134. peer->vdev->vdev_id,
  135. peer->mac_addr.raw,
  136. peer->peer_id,
  137. dest_macaddr,
  138. peer->mac_addr.raw,
  139. flags,
  140. type);
  141. return status;
  142. }
  143. static int dp_update_wds_entry_wrapper(struct dp_soc *soc,
  144. struct dp_peer *peer,
  145. uint8_t *dest_macaddr,
  146. uint32_t flags)
  147. {
  148. int status;
  149. status = soc->cdp_soc.ol_ops->peer_update_wds_entry(
  150. soc->ctrl_psoc,
  151. peer->vdev->vdev_id,
  152. dest_macaddr,
  153. peer->mac_addr.raw,
  154. flags);
  155. return status;
  156. }
  157. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  158. uint8_t vdev_id,
  159. uint8_t *wds_macaddr,
  160. uint8_t type,
  161. uint8_t delete_in_fw)
  162. {
  163. soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc,
  164. vdev_id,
  165. wds_macaddr,
  166. type,
  167. delete_in_fw);
  168. }
  169. #endif /* BYPASS_OL_OPS */
  170. #else
  171. void dp_del_wds_entry_wrapper(struct dp_soc *soc,
  172. uint8_t vdev_id,
  173. uint8_t *wds_macaddr,
  174. uint8_t type,
  175. uint8_t delete_in_fw)
  176. {
  177. }
  178. #endif /* FEATURE_AST */
  179. #ifdef FEATURE_WDS
  180. static inline bool
  181. dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
  182. struct dp_ast_entry *ast_entry)
  183. {
  184. /* if peer map v2 is enabled we are not freeing ast entry
  185. * here and it is supposed to be freed in unmap event (after
  186. * we receive delete confirmation from target)
  187. *
  188. * if peer_id is invalid we did not get the peer map event
  189. * for the peer free ast entry from here only in this case
  190. */
  191. if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) &&
  192. (ast_entry->type != CDP_TXRX_AST_TYPE_SELF))
  193. return true;
  194. return false;
  195. }
  196. #else
  197. static inline bool
  198. dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc,
  199. struct dp_ast_entry *ast_entry)
  200. {
  201. return false;
  202. }
  203. void dp_soc_wds_attach(struct dp_soc *soc)
  204. {
  205. }
  206. void dp_soc_wds_detach(struct dp_soc *soc)
  207. {
  208. }
  209. #endif
  210. #ifdef QCA_SUPPORT_WDS_EXTENDED
  211. bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
  212. {
  213. struct dp_vdev *vdev = peer->vdev;
  214. struct dp_txrx_peer *txrx_peer;
  215. if (!vdev->wds_ext_enabled)
  216. return false;
  217. txrx_peer = dp_get_txrx_peer(peer);
  218. if (!txrx_peer)
  219. return false;
  220. if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT,
  221. &txrx_peer->wds_ext.init))
  222. return true;
  223. return false;
  224. }
  225. #else
  226. bool dp_peer_check_wds_ext_peer(struct dp_peer *peer)
  227. {
  228. return false;
  229. }
  230. #endif
  231. QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc)
  232. {
  233. uint32_t max_ast_index;
  234. max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
  235. /* allocate ast_table for ast entry to ast_index map */
  236. dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index);
  237. soc->ast_table = qdf_mem_malloc(max_ast_index *
  238. sizeof(struct dp_ast_entry *));
  239. if (!soc->ast_table) {
  240. dp_peer_err("%pK: ast_table memory allocation failed", soc);
  241. return QDF_STATUS_E_NOMEM;
  242. }
  243. return QDF_STATUS_SUCCESS; /* success */
  244. }
  245. /**
  246. * dp_find_peer_by_macaddr() - Finding the peer from mac address provided.
  247. * @soc: soc handle
  248. * @mac_addr: MAC address to be used to find peer
  249. * @vdev_id: VDEV id
  250. * @mod_id: MODULE ID
  251. *
  252. * Return: struct dp_peer
  253. */
  254. struct dp_peer *dp_find_peer_by_macaddr(struct dp_soc *soc, uint8_t *mac_addr,
  255. uint8_t vdev_id, enum dp_mod_id mod_id)
  256. {
  257. bool ast_ind_disable = wlan_cfg_get_ast_indication_disable(
  258. soc->wlan_cfg_ctx);
  259. struct cdp_peer_info peer_info = {0};
  260. if ((!soc->ast_offload_support) || (!ast_ind_disable)) {
  261. struct dp_ast_entry *ast_entry = NULL;
  262. uint16_t peer_id;
  263. qdf_spin_lock_bh(&soc->ast_lock);
  264. if (vdev_id == DP_VDEV_ALL)
  265. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  266. else
  267. ast_entry = dp_peer_ast_hash_find_by_vdevid
  268. (soc, mac_addr, vdev_id);
  269. if (!ast_entry) {
  270. qdf_spin_unlock_bh(&soc->ast_lock);
  271. dp_err("NULL ast entry");
  272. return NULL;
  273. }
  274. peer_id = ast_entry->peer_id;
  275. qdf_spin_unlock_bh(&soc->ast_lock);
  276. if (peer_id == HTT_INVALID_PEER)
  277. return NULL;
  278. return dp_peer_get_ref_by_id(soc, peer_id, mod_id);
  279. }
  280. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, mac_addr, false,
  281. CDP_WILD_PEER_TYPE);
  282. return dp_peer_hash_find_wrapper(soc, &peer_info, mod_id);
  283. }
  284. /**
  285. * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map
  286. * @soc: soc handle
  287. *
  288. * return: QDF_STATUS
  289. */
  290. static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc)
  291. {
  292. uint32_t max_peers, peer_map_size;
  293. max_peers = soc->max_peer_id;
  294. /* allocate the peer ID -> peer object map */
  295. dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers);
  296. peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]);
  297. soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size);
  298. if (!soc->peer_id_to_obj_map) {
  299. dp_peer_err("%pK: peer map memory allocation failed", soc);
  300. return QDF_STATUS_E_NOMEM;
  301. }
  302. /*
  303. * The peer_id_to_obj_map doesn't really need to be initialized,
  304. * since elements are only used after they have been individually
  305. * initialized.
  306. * However, it is convenient for debugging to have all elements
  307. * that are not in use set to 0.
  308. */
  309. qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size);
  310. qdf_spinlock_create(&soc->peer_map_lock);
  311. return QDF_STATUS_SUCCESS; /* success */
  312. }
  313. #define DP_AST_HASH_LOAD_MULT 2
  314. #define DP_AST_HASH_LOAD_SHIFT 0
  315. static inline uint32_t
  316. dp_peer_find_hash_index(struct dp_soc *soc,
  317. union dp_align_mac_addr *mac_addr)
  318. {
  319. uint32_t index;
  320. index =
  321. mac_addr->align2.bytes_ab ^
  322. mac_addr->align2.bytes_cd ^
  323. mac_addr->align2.bytes_ef;
  324. index ^= index >> soc->peer_hash.idx_bits;
  325. index &= soc->peer_hash.mask;
  326. return index;
  327. }
  328. struct dp_peer *dp_peer_find_hash_find(
  329. struct dp_soc *soc, uint8_t *peer_mac_addr,
  330. int mac_addr_is_aligned, uint8_t vdev_id,
  331. enum dp_mod_id mod_id)
  332. {
  333. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  334. uint32_t index;
  335. struct dp_peer *peer;
  336. if (!soc->peer_hash.bins)
  337. return NULL;
  338. if (mac_addr_is_aligned) {
  339. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  340. } else {
  341. qdf_mem_copy(
  342. &local_mac_addr_aligned.raw[0],
  343. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  344. mac_addr = &local_mac_addr_aligned;
  345. }
  346. index = dp_peer_find_hash_index(soc, mac_addr);
  347. qdf_spin_lock_bh(&soc->peer_hash_lock);
  348. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  349. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  350. ((peer->vdev->vdev_id == vdev_id) ||
  351. (vdev_id == DP_VDEV_ALL))) {
  352. /* take peer reference before returning */
  353. if (dp_peer_get_ref(soc, peer, mod_id) !=
  354. QDF_STATUS_SUCCESS)
  355. peer = NULL;
  356. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  357. return peer;
  358. }
  359. }
  360. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  361. return NULL; /* failure */
  362. }
  363. qdf_export_symbol(dp_peer_find_hash_find);
  364. #ifdef WLAN_FEATURE_11BE_MLO
  365. /**
  366. * dp_peer_find_hash_detach() - cleanup memory for peer_hash table
  367. * @soc: soc handle
  368. *
  369. * return: none
  370. */
  371. static void dp_peer_find_hash_detach(struct dp_soc *soc)
  372. {
  373. if (soc->peer_hash.bins) {
  374. qdf_mem_free(soc->peer_hash.bins);
  375. soc->peer_hash.bins = NULL;
  376. qdf_spinlock_destroy(&soc->peer_hash_lock);
  377. }
  378. if (soc->arch_ops.mlo_peer_find_hash_detach)
  379. soc->arch_ops.mlo_peer_find_hash_detach(soc);
  380. }
  381. /**
  382. * dp_peer_find_hash_attach() - allocate memory for peer_hash table
  383. * @soc: soc handle
  384. *
  385. * return: QDF_STATUS
  386. */
  387. static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
  388. {
  389. int i, hash_elems, log2;
  390. /* allocate the peer MAC address -> peer object hash table */
  391. hash_elems = soc->max_peers;
  392. hash_elems *= DP_PEER_HASH_LOAD_MULT;
  393. hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
  394. log2 = dp_log2_ceil(hash_elems);
  395. hash_elems = 1 << log2;
  396. soc->peer_hash.mask = hash_elems - 1;
  397. soc->peer_hash.idx_bits = log2;
  398. /* allocate an array of TAILQ peer object lists */
  399. soc->peer_hash.bins = qdf_mem_malloc(
  400. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
  401. if (!soc->peer_hash.bins)
  402. return QDF_STATUS_E_NOMEM;
  403. for (i = 0; i < hash_elems; i++)
  404. TAILQ_INIT(&soc->peer_hash.bins[i]);
  405. qdf_spinlock_create(&soc->peer_hash_lock);
  406. if (soc->arch_ops.mlo_peer_find_hash_attach &&
  407. (soc->arch_ops.mlo_peer_find_hash_attach(soc) !=
  408. QDF_STATUS_SUCCESS)) {
  409. dp_peer_find_hash_detach(soc);
  410. return QDF_STATUS_E_NOMEM;
  411. }
  412. return QDF_STATUS_SUCCESS;
  413. }
  414. void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
  415. {
  416. unsigned index;
  417. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  418. if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  419. qdf_spin_lock_bh(&soc->peer_hash_lock);
  420. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer,
  421. DP_MOD_ID_CONFIG))) {
  422. dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT,
  423. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  424. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  425. return;
  426. }
  427. /*
  428. * It is important to add the new peer at the tail of
  429. * peer list with the bin index. Together with having
  430. * the hash_find function search from head to tail,
  431. * this ensures that if two entries with the same MAC address
  432. * are stored, the one added first will be found first.
  433. */
  434. TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer,
  435. hash_list_elem);
  436. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  437. } else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
  438. if (soc->arch_ops.mlo_peer_find_hash_add)
  439. soc->arch_ops.mlo_peer_find_hash_add(soc, peer);
  440. } else {
  441. dp_err("unknown peer type %d", peer->peer_type);
  442. }
  443. }
  444. void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
  445. {
  446. unsigned index;
  447. struct dp_peer *tmppeer = NULL;
  448. int found = 0;
  449. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  450. if (peer->peer_type == CDP_LINK_PEER_TYPE) {
  451. /* Check if tail is not empty before delete*/
  452. QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
  453. qdf_spin_lock_bh(&soc->peer_hash_lock);
  454. TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index],
  455. hash_list_elem) {
  456. if (tmppeer == peer) {
  457. found = 1;
  458. break;
  459. }
  460. }
  461. QDF_ASSERT(found);
  462. TAILQ_REMOVE(&soc->peer_hash.bins[index], peer,
  463. hash_list_elem);
  464. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  465. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  466. } else if (peer->peer_type == CDP_MLD_PEER_TYPE) {
  467. if (soc->arch_ops.mlo_peer_find_hash_remove)
  468. soc->arch_ops.mlo_peer_find_hash_remove(soc, peer);
  469. } else {
  470. dp_err("unknown peer type %d", peer->peer_type);
  471. }
  472. }
  473. uint8_t dp_get_peer_link_id(struct dp_peer *peer)
  474. {
  475. uint8_t link_id;
  476. link_id = IS_MLO_DP_LINK_PEER(peer) ? peer->link_id + 1 : 0;
  477. if (link_id < 1 || link_id > DP_MAX_MLO_LINKS)
  478. link_id = 0;
  479. return link_id;
  480. }
  481. #else
  482. static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc)
  483. {
  484. int i, hash_elems, log2;
  485. /* allocate the peer MAC address -> peer object hash table */
  486. hash_elems = soc->max_peers;
  487. hash_elems *= DP_PEER_HASH_LOAD_MULT;
  488. hash_elems >>= DP_PEER_HASH_LOAD_SHIFT;
  489. log2 = dp_log2_ceil(hash_elems);
  490. hash_elems = 1 << log2;
  491. soc->peer_hash.mask = hash_elems - 1;
  492. soc->peer_hash.idx_bits = log2;
  493. /* allocate an array of TAILQ peer object lists */
  494. soc->peer_hash.bins = qdf_mem_malloc(
  495. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer)));
  496. if (!soc->peer_hash.bins)
  497. return QDF_STATUS_E_NOMEM;
  498. for (i = 0; i < hash_elems; i++)
  499. TAILQ_INIT(&soc->peer_hash.bins[i]);
  500. qdf_spinlock_create(&soc->peer_hash_lock);
  501. return QDF_STATUS_SUCCESS;
  502. }
  503. static void dp_peer_find_hash_detach(struct dp_soc *soc)
  504. {
  505. if (soc->peer_hash.bins) {
  506. qdf_mem_free(soc->peer_hash.bins);
  507. soc->peer_hash.bins = NULL;
  508. qdf_spinlock_destroy(&soc->peer_hash_lock);
  509. }
  510. }
  511. void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer)
  512. {
  513. unsigned index;
  514. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  515. qdf_spin_lock_bh(&soc->peer_hash_lock);
  516. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  517. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
  518. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  519. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  520. return;
  521. }
  522. /*
  523. * It is important to add the new peer at the tail of the peer list
  524. * with the bin index. Together with having the hash_find function
  525. * search from head to tail, this ensures that if two entries with
  526. * the same MAC address are stored, the one added first will be
  527. * found first.
  528. */
  529. TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem);
  530. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  531. }
  532. void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer)
  533. {
  534. unsigned index;
  535. struct dp_peer *tmppeer = NULL;
  536. int found = 0;
  537. index = dp_peer_find_hash_index(soc, &peer->mac_addr);
  538. /* Check if tail is not empty before delete*/
  539. QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index]));
  540. qdf_spin_lock_bh(&soc->peer_hash_lock);
  541. TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) {
  542. if (tmppeer == peer) {
  543. found = 1;
  544. break;
  545. }
  546. }
  547. QDF_ASSERT(found);
  548. TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem);
  549. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  550. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  551. }
  552. #endif/* WLAN_FEATURE_11BE_MLO */
  553. void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev,
  554. struct dp_peer *peer)
  555. {
  556. /* only link peer will be added to vdev peer list */
  557. if (IS_MLO_DP_MLD_PEER(peer))
  558. return;
  559. qdf_spin_lock_bh(&vdev->peer_list_lock);
  560. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  561. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT,
  562. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  563. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  564. return;
  565. }
  566. /* add this peer into the vdev's list */
  567. if (wlan_op_mode_sta == vdev->opmode)
  568. TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem);
  569. else
  570. TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem);
  571. vdev->num_peers++;
  572. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  573. }
  574. void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev,
  575. struct dp_peer *peer)
  576. {
  577. uint8_t found = 0;
  578. struct dp_peer *tmppeer = NULL;
  579. /* only link peer will be added to vdev peer list */
  580. if (IS_MLO_DP_MLD_PEER(peer))
  581. return;
  582. qdf_spin_lock_bh(&vdev->peer_list_lock);
  583. TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) {
  584. if (tmppeer == peer) {
  585. found = 1;
  586. break;
  587. }
  588. }
  589. if (found) {
  590. TAILQ_REMOVE(&peer->vdev->peer_list, peer,
  591. peer_list_elem);
  592. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  593. vdev->num_peers--;
  594. } else {
  595. /*Ignoring the remove operation as peer not found*/
  596. dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK"
  597. , soc, peer, vdev, &peer->vdev->peer_list);
  598. }
  599. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  600. }
  601. void dp_txrx_peer_attach_add(struct dp_soc *soc,
  602. struct dp_peer *peer,
  603. struct dp_txrx_peer *txrx_peer)
  604. {
  605. qdf_spin_lock_bh(&soc->peer_map_lock);
  606. peer->txrx_peer = txrx_peer;
  607. txrx_peer->bss_peer = peer->bss_peer;
  608. if (peer->peer_id == HTT_INVALID_PEER) {
  609. qdf_spin_unlock_bh(&soc->peer_map_lock);
  610. return;
  611. }
  612. txrx_peer->peer_id = peer->peer_id;
  613. QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]);
  614. qdf_spin_unlock_bh(&soc->peer_map_lock);
  615. }
  616. void dp_peer_find_id_to_obj_add(struct dp_soc *soc,
  617. struct dp_peer *peer,
  618. uint16_t peer_id)
  619. {
  620. QDF_ASSERT(peer_id <= soc->max_peer_id);
  621. qdf_spin_lock_bh(&soc->peer_map_lock);
  622. peer->peer_id = peer_id;
  623. if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) {
  624. dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u",
  625. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id);
  626. qdf_spin_unlock_bh(&soc->peer_map_lock);
  627. return;
  628. }
  629. if (!soc->peer_id_to_obj_map[peer_id]) {
  630. soc->peer_id_to_obj_map[peer_id] = peer;
  631. if (peer->txrx_peer)
  632. peer->txrx_peer->peer_id = peer_id;
  633. } else {
  634. /* Peer map event came for peer_id which
  635. * is already mapped, this is not expected
  636. */
  637. dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped to peer %pK",
  638. peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id,
  639. soc->peer_id_to_obj_map[peer_id]);
  640. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  641. qdf_assert_always(0);
  642. }
  643. qdf_spin_unlock_bh(&soc->peer_map_lock);
  644. }
  645. void dp_peer_find_id_to_obj_remove(struct dp_soc *soc,
  646. uint16_t peer_id)
  647. {
  648. struct dp_peer *peer = NULL;
  649. QDF_ASSERT(peer_id <= soc->max_peer_id);
  650. qdf_spin_lock_bh(&soc->peer_map_lock);
  651. peer = soc->peer_id_to_obj_map[peer_id];
  652. if (!peer) {
  653. dp_err("unable to get peer during peer id obj map remove");
  654. qdf_spin_unlock_bh(&soc->peer_map_lock);
  655. return;
  656. }
  657. peer->peer_id = HTT_INVALID_PEER;
  658. if (peer->txrx_peer)
  659. peer->txrx_peer->peer_id = HTT_INVALID_PEER;
  660. soc->peer_id_to_obj_map[peer_id] = NULL;
  661. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  662. qdf_spin_unlock_bh(&soc->peer_map_lock);
  663. }
  664. #ifdef FEATURE_MEC
  665. QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
  666. {
  667. int log2, hash_elems, i;
  668. log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX);
  669. hash_elems = 1 << log2;
  670. soc->mec_hash.mask = hash_elems - 1;
  671. soc->mec_hash.idx_bits = log2;
  672. dp_peer_info("%pK: max mec index: %d",
  673. soc, DP_PEER_MAX_MEC_IDX);
  674. /* allocate an array of TAILQ mec object lists */
  675. soc->mec_hash.bins = qdf_mem_malloc(hash_elems *
  676. sizeof(TAILQ_HEAD(anonymous_tail_q,
  677. dp_mec_entry)));
  678. if (!soc->mec_hash.bins)
  679. return QDF_STATUS_E_NOMEM;
  680. for (i = 0; i < hash_elems; i++)
  681. TAILQ_INIT(&soc->mec_hash.bins[i]);
  682. return QDF_STATUS_SUCCESS;
  683. }
  684. /**
  685. * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address
  686. * @soc: SoC handle
  687. * @mac_addr: MAC address
  688. *
  689. * Return: MEC hash
  690. */
  691. static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc,
  692. union dp_align_mac_addr *mac_addr)
  693. {
  694. uint32_t index;
  695. index =
  696. mac_addr->align2.bytes_ab ^
  697. mac_addr->align2.bytes_cd ^
  698. mac_addr->align2.bytes_ef;
  699. index ^= index >> soc->mec_hash.idx_bits;
  700. index &= soc->mec_hash.mask;
  701. return index;
  702. }
  703. struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc,
  704. uint8_t pdev_id,
  705. uint8_t *mec_mac_addr)
  706. {
  707. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  708. uint32_t index;
  709. struct dp_mec_entry *mecentry;
  710. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  711. mec_mac_addr, QDF_MAC_ADDR_SIZE);
  712. mac_addr = &local_mac_addr_aligned;
  713. index = dp_peer_mec_hash_index(soc, mac_addr);
  714. TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) {
  715. if ((pdev_id == mecentry->pdev_id) &&
  716. !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr))
  717. return mecentry;
  718. }
  719. return NULL;
  720. }
  721. /**
  722. * dp_peer_mec_hash_add() - Add MEC entry into hash table
  723. * @soc: SoC handle
  724. * @mecentry: MEC entry
  725. *
  726. * This function adds the MEC entry into SoC MEC hash table
  727. *
  728. * Return: None
  729. */
  730. static inline void dp_peer_mec_hash_add(struct dp_soc *soc,
  731. struct dp_mec_entry *mecentry)
  732. {
  733. uint32_t index;
  734. index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
  735. qdf_spin_lock_bh(&soc->mec_lock);
  736. TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem);
  737. qdf_spin_unlock_bh(&soc->mec_lock);
  738. }
  739. QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc,
  740. struct dp_vdev *vdev,
  741. uint8_t *mac_addr)
  742. {
  743. struct dp_mec_entry *mecentry = NULL;
  744. struct dp_pdev *pdev = NULL;
  745. if (!vdev) {
  746. dp_peer_err("%pK: Peers vdev is NULL", soc);
  747. return QDF_STATUS_E_INVAL;
  748. }
  749. pdev = vdev->pdev;
  750. if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >=
  751. DP_PEER_MAX_MEC_ENTRY)) {
  752. dp_peer_warn("%pK: max MEC entry limit reached mac_addr: "
  753. QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr));
  754. return QDF_STATUS_E_NOMEM;
  755. }
  756. qdf_spin_lock_bh(&soc->mec_lock);
  757. mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id,
  758. mac_addr);
  759. if (qdf_likely(mecentry)) {
  760. mecentry->is_active = TRUE;
  761. qdf_spin_unlock_bh(&soc->mec_lock);
  762. return QDF_STATUS_E_ALREADY;
  763. }
  764. qdf_spin_unlock_bh(&soc->mec_lock);
  765. dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: "
  766. QDF_MAC_ADDR_FMT,
  767. soc, pdev->pdev_id, vdev->vdev_id,
  768. QDF_MAC_ADDR_REF(mac_addr));
  769. mecentry = (struct dp_mec_entry *)
  770. qdf_mem_malloc(sizeof(struct dp_mec_entry));
  771. if (qdf_unlikely(!mecentry)) {
  772. dp_peer_err("%pK: fail to allocate mecentry", soc);
  773. return QDF_STATUS_E_NOMEM;
  774. }
  775. qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0],
  776. (struct qdf_mac_addr *)mac_addr);
  777. mecentry->pdev_id = pdev->pdev_id;
  778. mecentry->vdev_id = vdev->vdev_id;
  779. mecentry->is_active = TRUE;
  780. dp_peer_mec_hash_add(soc, mecentry);
  781. qdf_atomic_inc(&soc->mec_cnt);
  782. DP_STATS_INC(soc, mec.added, 1);
  783. return QDF_STATUS_SUCCESS;
  784. }
  785. void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry,
  786. void *ptr)
  787. {
  788. uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr);
  789. TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
  790. TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry,
  791. hash_list_elem);
  792. TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem);
  793. }
  794. void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr)
  795. {
  796. struct dp_mec_entry *mecentry, *mecentry_next;
  797. TAILQ_HEAD(, dp_mec_entry) * free_list = ptr;
  798. TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem,
  799. mecentry_next) {
  800. dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT,
  801. soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr));
  802. qdf_mem_free(mecentry);
  803. qdf_atomic_dec(&soc->mec_cnt);
  804. DP_STATS_INC(soc, mec.deleted, 1);
  805. }
  806. }
  807. void dp_peer_mec_hash_detach(struct dp_soc *soc)
  808. {
  809. dp_peer_mec_flush_entries(soc);
  810. qdf_mem_free(soc->mec_hash.bins);
  811. soc->mec_hash.bins = NULL;
  812. }
  813. void dp_peer_mec_spinlock_destroy(struct dp_soc *soc)
  814. {
  815. qdf_spinlock_destroy(&soc->mec_lock);
  816. }
  817. void dp_peer_mec_spinlock_create(struct dp_soc *soc)
  818. {
  819. qdf_spinlock_create(&soc->mec_lock);
  820. }
  821. #else
  822. QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc)
  823. {
  824. return QDF_STATUS_SUCCESS;
  825. }
  826. void dp_peer_mec_hash_detach(struct dp_soc *soc)
  827. {
  828. }
  829. #endif
  830. #ifdef FEATURE_AST
  831. #ifdef WLAN_FEATURE_11BE_MLO
  832. /**
  833. * dp_peer_exist_on_pdev() - check if peer with mac address exist on pdev
  834. *
  835. * @soc: Datapath SOC handle
  836. * @peer_mac_addr: peer mac address
  837. * @mac_addr_is_aligned: is mac address aligned
  838. * @pdev: Datapath PDEV handle
  839. *
  840. * Return: true if peer found else return false
  841. */
  842. static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
  843. uint8_t *peer_mac_addr,
  844. int mac_addr_is_aligned,
  845. struct dp_pdev *pdev)
  846. {
  847. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  848. unsigned int index;
  849. struct dp_peer *peer;
  850. bool found = false;
  851. if (mac_addr_is_aligned) {
  852. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  853. } else {
  854. qdf_mem_copy(
  855. &local_mac_addr_aligned.raw[0],
  856. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  857. mac_addr = &local_mac_addr_aligned;
  858. }
  859. index = dp_peer_find_hash_index(soc, mac_addr);
  860. qdf_spin_lock_bh(&soc->peer_hash_lock);
  861. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  862. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  863. (peer->vdev->pdev == pdev)) {
  864. found = true;
  865. break;
  866. }
  867. }
  868. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  869. if (found)
  870. return found;
  871. peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr,
  872. mac_addr_is_aligned, DP_VDEV_ALL,
  873. DP_MOD_ID_CDP);
  874. if (peer) {
  875. if (peer->vdev->pdev == pdev)
  876. found = true;
  877. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  878. }
  879. return found;
  880. }
  881. #else
  882. static bool dp_peer_exist_on_pdev(struct dp_soc *soc,
  883. uint8_t *peer_mac_addr,
  884. int mac_addr_is_aligned,
  885. struct dp_pdev *pdev)
  886. {
  887. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  888. unsigned int index;
  889. struct dp_peer *peer;
  890. bool found = false;
  891. if (mac_addr_is_aligned) {
  892. mac_addr = (union dp_align_mac_addr *)peer_mac_addr;
  893. } else {
  894. qdf_mem_copy(
  895. &local_mac_addr_aligned.raw[0],
  896. peer_mac_addr, QDF_MAC_ADDR_SIZE);
  897. mac_addr = &local_mac_addr_aligned;
  898. }
  899. index = dp_peer_find_hash_index(soc, mac_addr);
  900. qdf_spin_lock_bh(&soc->peer_hash_lock);
  901. TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) {
  902. if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 &&
  903. (peer->vdev->pdev == pdev)) {
  904. found = true;
  905. break;
  906. }
  907. }
  908. qdf_spin_unlock_bh(&soc->peer_hash_lock);
  909. return found;
  910. }
  911. #endif /* WLAN_FEATURE_11BE_MLO */
  912. QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
  913. {
  914. int i, hash_elems, log2;
  915. unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx);
  916. hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >>
  917. DP_AST_HASH_LOAD_SHIFT);
  918. log2 = dp_log2_ceil(hash_elems);
  919. hash_elems = 1 << log2;
  920. soc->ast_hash.mask = hash_elems - 1;
  921. soc->ast_hash.idx_bits = log2;
  922. dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d",
  923. soc, hash_elems, max_ast_idx);
  924. /* allocate an array of TAILQ peer object lists */
  925. soc->ast_hash.bins = qdf_mem_malloc(
  926. hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q,
  927. dp_ast_entry)));
  928. if (!soc->ast_hash.bins)
  929. return QDF_STATUS_E_NOMEM;
  930. for (i = 0; i < hash_elems; i++)
  931. TAILQ_INIT(&soc->ast_hash.bins[i]);
  932. return QDF_STATUS_SUCCESS;
  933. }
  934. /**
  935. * dp_peer_ast_cleanup() - cleanup the references
  936. * @soc: SoC handle
  937. * @ast: ast entry
  938. *
  939. * Return: None
  940. */
  941. static inline void dp_peer_ast_cleanup(struct dp_soc *soc,
  942. struct dp_ast_entry *ast)
  943. {
  944. txrx_ast_free_cb cb = ast->callback;
  945. void *cookie = ast->cookie;
  946. dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK",
  947. QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie);
  948. /* Call the callbacks to free up the cookie */
  949. if (cb) {
  950. ast->callback = NULL;
  951. ast->cookie = NULL;
  952. cb(soc->ctrl_psoc,
  953. dp_soc_to_cdp_soc(soc),
  954. cookie,
  955. CDP_TXRX_AST_DELETE_IN_PROGRESS);
  956. }
  957. }
  958. void dp_peer_ast_hash_detach(struct dp_soc *soc)
  959. {
  960. unsigned int index;
  961. struct dp_ast_entry *ast, *ast_next;
  962. if (!soc->ast_hash.mask)
  963. return;
  964. if (!soc->ast_hash.bins)
  965. return;
  966. dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries);
  967. qdf_spin_lock_bh(&soc->ast_lock);
  968. for (index = 0; index <= soc->ast_hash.mask; index++) {
  969. if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) {
  970. TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index],
  971. hash_list_elem, ast_next) {
  972. TAILQ_REMOVE(&soc->ast_hash.bins[index], ast,
  973. hash_list_elem);
  974. dp_peer_ast_cleanup(soc, ast);
  975. soc->num_ast_entries--;
  976. qdf_mem_free(ast);
  977. }
  978. }
  979. }
  980. qdf_spin_unlock_bh(&soc->ast_lock);
  981. qdf_mem_free(soc->ast_hash.bins);
  982. soc->ast_hash.bins = NULL;
  983. }
  984. /**
  985. * dp_peer_ast_hash_index() - Compute the AST hash from MAC address
  986. * @soc: SoC handle
  987. * @mac_addr: MAC address
  988. *
  989. * Return: AST hash
  990. */
  991. static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc,
  992. union dp_align_mac_addr *mac_addr)
  993. {
  994. uint32_t index;
  995. index =
  996. mac_addr->align2.bytes_ab ^
  997. mac_addr->align2.bytes_cd ^
  998. mac_addr->align2.bytes_ef;
  999. index ^= index >> soc->ast_hash.idx_bits;
  1000. index &= soc->ast_hash.mask;
  1001. return index;
  1002. }
  1003. /**
  1004. * dp_peer_ast_hash_add() - Add AST entry into hash table
  1005. * @soc: SoC handle
  1006. * @ase: AST entry
  1007. *
  1008. * This function adds the AST entry into SoC AST hash table
  1009. * It assumes caller has taken the ast lock to protect the access to this table
  1010. *
  1011. * Return: None
  1012. */
  1013. static inline void dp_peer_ast_hash_add(struct dp_soc *soc,
  1014. struct dp_ast_entry *ase)
  1015. {
  1016. uint32_t index;
  1017. index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
  1018. TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem);
  1019. }
  1020. void dp_peer_ast_hash_remove(struct dp_soc *soc,
  1021. struct dp_ast_entry *ase)
  1022. {
  1023. unsigned index;
  1024. struct dp_ast_entry *tmpase;
  1025. int found = 0;
  1026. if (soc->ast_offload_support && !soc->host_ast_db_enable)
  1027. return;
  1028. index = dp_peer_ast_hash_index(soc, &ase->mac_addr);
  1029. /* Check if tail is not empty before delete*/
  1030. QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index]));
  1031. dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1032. ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw));
  1033. TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) {
  1034. if (tmpase == ase) {
  1035. found = 1;
  1036. break;
  1037. }
  1038. }
  1039. QDF_ASSERT(found);
  1040. if (found)
  1041. TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem);
  1042. }
  1043. struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
  1044. uint8_t *ast_mac_addr,
  1045. uint8_t vdev_id)
  1046. {
  1047. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1048. uint32_t index;
  1049. struct dp_ast_entry *ase;
  1050. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1051. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1052. mac_addr = &local_mac_addr_aligned;
  1053. index = dp_peer_ast_hash_index(soc, mac_addr);
  1054. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1055. if ((vdev_id == ase->vdev_id) &&
  1056. !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
  1057. return ase;
  1058. }
  1059. }
  1060. return NULL;
  1061. }
  1062. struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
  1063. uint8_t *ast_mac_addr,
  1064. uint8_t pdev_id)
  1065. {
  1066. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1067. uint32_t index;
  1068. struct dp_ast_entry *ase;
  1069. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1070. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1071. mac_addr = &local_mac_addr_aligned;
  1072. index = dp_peer_ast_hash_index(soc, mac_addr);
  1073. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1074. if ((pdev_id == ase->pdev_id) &&
  1075. !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) {
  1076. return ase;
  1077. }
  1078. }
  1079. return NULL;
  1080. }
  1081. struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
  1082. uint8_t *ast_mac_addr)
  1083. {
  1084. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1085. unsigned index;
  1086. struct dp_ast_entry *ase;
  1087. if (!soc->ast_hash.bins)
  1088. return NULL;
  1089. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1090. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1091. mac_addr = &local_mac_addr_aligned;
  1092. index = dp_peer_ast_hash_index(soc, mac_addr);
  1093. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1094. if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) {
  1095. return ase;
  1096. }
  1097. }
  1098. return NULL;
  1099. }
  1100. struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type(
  1101. struct dp_soc *soc,
  1102. uint8_t *ast_mac_addr,
  1103. enum cdp_txrx_ast_entry_type type)
  1104. {
  1105. union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
  1106. unsigned index;
  1107. struct dp_ast_entry *ase;
  1108. if (!soc->ast_hash.bins)
  1109. return NULL;
  1110. qdf_mem_copy(&local_mac_addr_aligned.raw[0],
  1111. ast_mac_addr, QDF_MAC_ADDR_SIZE);
  1112. mac_addr = &local_mac_addr_aligned;
  1113. index = dp_peer_ast_hash_index(soc, mac_addr);
  1114. TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) {
  1115. if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0 &&
  1116. ase->type == type) {
  1117. return ase;
  1118. }
  1119. }
  1120. return NULL;
  1121. }
  1122. /**
  1123. * dp_peer_map_ipa_evt() - Send peer map event to IPA
  1124. * @soc: SoC handle
  1125. * @peer: peer to which ast node belongs
  1126. * @ast_entry: AST entry
  1127. * @mac_addr: MAC address of ast node
  1128. *
  1129. * Return: None
  1130. */
  1131. #if defined(IPA_OFFLOAD) && defined(QCA_IPA_LL_TX_FLOW_CONTROL)
  1132. static inline
  1133. void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
  1134. struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
  1135. {
  1136. if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) {
  1137. if (soc->cdp_soc.ol_ops->peer_map_event) {
  1138. soc->cdp_soc.ol_ops->peer_map_event(
  1139. soc->ctrl_psoc, ast_entry->peer_id,
  1140. ast_entry->ast_idx, ast_entry->vdev_id,
  1141. mac_addr, ast_entry->type, ast_entry->ast_hash_value);
  1142. }
  1143. } else {
  1144. dp_peer_info("%pK: AST entry not found", soc);
  1145. }
  1146. }
  1147. /**
  1148. * dp_peer_unmap_ipa_evt() - Send peer unmap event to IPA
  1149. * @soc: SoC handle
  1150. * @peer_id: Peerid
  1151. * @vdev_id: Vdev id
  1152. * @mac_addr: Peer mac address
  1153. *
  1154. * Return: None
  1155. */
  1156. static inline
  1157. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1158. uint8_t vdev_id, uint8_t *mac_addr)
  1159. {
  1160. if (soc->cdp_soc.ol_ops->peer_unmap_event) {
  1161. soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
  1162. peer_id, vdev_id,
  1163. mac_addr);
  1164. }
  1165. }
  1166. #else
  1167. static inline
  1168. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1169. uint8_t vdev_id, uint8_t *mac_addr)
  1170. {
  1171. }
  1172. static inline
  1173. void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer,
  1174. struct dp_ast_entry *ast_entry, uint8_t *mac_addr)
  1175. {
  1176. }
  1177. #endif
  1178. QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
  1179. uint8_t *mac_addr, uint16_t hw_peer_id,
  1180. uint8_t vdev_id, uint16_t ast_hash,
  1181. uint8_t is_wds)
  1182. {
  1183. struct dp_vdev *vdev;
  1184. struct dp_ast_entry *ast_entry;
  1185. enum cdp_txrx_ast_entry_type type;
  1186. struct dp_peer *peer;
  1187. struct dp_peer *old_peer;
  1188. QDF_STATUS status = QDF_STATUS_SUCCESS;
  1189. if (is_wds)
  1190. type = CDP_TXRX_AST_TYPE_WDS;
  1191. else
  1192. type = CDP_TXRX_AST_TYPE_STATIC;
  1193. peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  1194. if (!peer) {
  1195. dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
  1196. soc, peer_id,
  1197. QDF_MAC_ADDR_REF(mac_addr), vdev_id);
  1198. return QDF_STATUS_E_INVAL;
  1199. }
  1200. if (!is_wds && IS_MLO_DP_MLD_PEER(peer))
  1201. type = CDP_TXRX_AST_TYPE_MLD;
  1202. vdev = peer->vdev;
  1203. if (!vdev) {
  1204. dp_peer_err("%pK: Peers vdev is NULL", soc);
  1205. status = QDF_STATUS_E_INVAL;
  1206. goto fail;
  1207. }
  1208. if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
  1209. if (type != CDP_TXRX_AST_TYPE_STATIC &&
  1210. type != CDP_TXRX_AST_TYPE_MLD &&
  1211. type != CDP_TXRX_AST_TYPE_SELF) {
  1212. status = QDF_STATUS_E_BUSY;
  1213. goto fail;
  1214. }
  1215. }
  1216. dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
  1217. soc, vdev->vdev_id, type,
  1218. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
  1219. QDF_MAC_ADDR_REF(mac_addr));
  1220. /*
  1221. * In MLO scenario, there is possibility for same mac address
  1222. * on both link mac address and MLD mac address.
  1223. * Duplicate AST map needs to be handled for non-mld type.
  1224. */
  1225. qdf_spin_lock_bh(&soc->ast_lock);
  1226. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  1227. if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) {
  1228. dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  1229. hw_peer_id, vdev_id,
  1230. QDF_MAC_ADDR_REF(mac_addr));
  1231. old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1232. DP_MOD_ID_AST);
  1233. if (!old_peer) {
  1234. dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d",
  1235. soc, ast_entry->peer_id,
  1236. QDF_MAC_ADDR_REF(mac_addr), vdev_id);
  1237. qdf_spin_unlock_bh(&soc->ast_lock);
  1238. status = QDF_STATUS_E_INVAL;
  1239. goto fail;
  1240. }
  1241. dp_peer_unlink_ast_entry(soc, ast_entry, old_peer);
  1242. dp_peer_free_ast_entry(soc, ast_entry);
  1243. if (old_peer)
  1244. dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
  1245. }
  1246. ast_entry = (struct dp_ast_entry *)
  1247. qdf_mem_malloc(sizeof(struct dp_ast_entry));
  1248. if (!ast_entry) {
  1249. dp_peer_err("%pK: fail to allocate ast_entry", soc);
  1250. qdf_spin_unlock_bh(&soc->ast_lock);
  1251. QDF_ASSERT(0);
  1252. status = QDF_STATUS_E_NOMEM;
  1253. goto fail;
  1254. }
  1255. qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
  1256. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1257. ast_entry->is_mapped = false;
  1258. ast_entry->delete_in_progress = false;
  1259. ast_entry->next_hop = 0;
  1260. ast_entry->vdev_id = vdev->vdev_id;
  1261. ast_entry->type = type;
  1262. switch (type) {
  1263. case CDP_TXRX_AST_TYPE_STATIC:
  1264. if (peer->vdev->opmode == wlan_op_mode_sta)
  1265. ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
  1266. break;
  1267. case CDP_TXRX_AST_TYPE_WDS:
  1268. ast_entry->next_hop = 1;
  1269. break;
  1270. case CDP_TXRX_AST_TYPE_MLD:
  1271. break;
  1272. default:
  1273. dp_peer_alert("%pK: Incorrect AST entry type", soc);
  1274. }
  1275. ast_entry->is_active = TRUE;
  1276. DP_STATS_INC(soc, ast.added, 1);
  1277. soc->num_ast_entries++;
  1278. dp_peer_ast_hash_add(soc, ast_entry);
  1279. ast_entry->ast_idx = hw_peer_id;
  1280. ast_entry->ast_hash_value = ast_hash;
  1281. ast_entry->peer_id = peer_id;
  1282. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1283. ase_list_elem);
  1284. dp_peer_map_ipa_evt(soc, peer, ast_entry, mac_addr);
  1285. qdf_spin_unlock_bh(&soc->ast_lock);
  1286. fail:
  1287. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  1288. return status;
  1289. }
  1290. /**
  1291. * dp_peer_map_ast() - Map the ast entry with HW AST Index
  1292. * @soc: SoC handle
  1293. * @peer: peer to which ast node belongs
  1294. * @mac_addr: MAC address of ast node
  1295. * @hw_peer_id: HW AST Index returned by target in peer map event
  1296. * @vdev_id: vdev id for VAP to which the peer belongs to
  1297. * @ast_hash: ast hash value in HW
  1298. * @is_wds: flag to indicate peer map event for WDS ast entry
  1299. *
  1300. * Return: QDF_STATUS code
  1301. */
  1302. static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
  1303. struct dp_peer *peer,
  1304. uint8_t *mac_addr,
  1305. uint16_t hw_peer_id,
  1306. uint8_t vdev_id,
  1307. uint16_t ast_hash,
  1308. uint8_t is_wds)
  1309. {
  1310. struct dp_ast_entry *ast_entry = NULL;
  1311. enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC;
  1312. void *cookie = NULL;
  1313. txrx_ast_free_cb cb = NULL;
  1314. QDF_STATUS err = QDF_STATUS_SUCCESS;
  1315. if (soc->ast_offload_support && !wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc))
  1316. return QDF_STATUS_SUCCESS;
  1317. dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  1318. soc, peer, hw_peer_id, vdev_id,
  1319. QDF_MAC_ADDR_REF(mac_addr));
  1320. qdf_spin_lock_bh(&soc->ast_lock);
  1321. ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
  1322. if (is_wds) {
  1323. /*
  1324. * While processing peer map of AST entry if the next hop peer is
  1325. * deleted free the AST entry as it is not attached to peer yet
  1326. */
  1327. if (!peer) {
  1328. if (ast_entry)
  1329. dp_peer_free_ast_entry(soc, ast_entry);
  1330. qdf_spin_unlock_bh(&soc->ast_lock);
  1331. dp_peer_alert("Peer is NULL for WDS entry mac "
  1332. QDF_MAC_ADDR_FMT " ",
  1333. QDF_MAC_ADDR_REF(mac_addr));
  1334. return QDF_STATUS_E_INVAL;
  1335. }
  1336. /*
  1337. * In certain cases like Auth attack on a repeater
  1338. * can result in the number of ast_entries falling
  1339. * in the same hash bucket to exceed the max_skid
  1340. * length supported by HW in root AP. In these cases
  1341. * the FW will return the hw_peer_id (ast_index) as
  1342. * 0xffff indicating HW could not add the entry in
  1343. * its table. Host has to delete the entry from its
  1344. * table in these cases.
  1345. */
  1346. if (hw_peer_id == HTT_INVALID_PEER) {
  1347. DP_STATS_INC(soc, ast.map_err, 1);
  1348. if (ast_entry) {
  1349. if (ast_entry->is_mapped) {
  1350. soc->ast_table[ast_entry->ast_idx] =
  1351. NULL;
  1352. }
  1353. cb = ast_entry->callback;
  1354. cookie = ast_entry->cookie;
  1355. peer_type = ast_entry->type;
  1356. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1357. dp_peer_free_ast_entry(soc, ast_entry);
  1358. qdf_spin_unlock_bh(&soc->ast_lock);
  1359. if (cb) {
  1360. cb(soc->ctrl_psoc,
  1361. dp_soc_to_cdp_soc(soc),
  1362. cookie,
  1363. CDP_TXRX_AST_DELETED);
  1364. }
  1365. } else {
  1366. qdf_spin_unlock_bh(&soc->ast_lock);
  1367. dp_peer_alert("AST entry not found with peer %pK peer_id %u peer_mac " QDF_MAC_ADDR_FMT " mac_addr " QDF_MAC_ADDR_FMT " vdev_id %u next_hop %u",
  1368. peer, peer->peer_id,
  1369. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  1370. QDF_MAC_ADDR_REF(mac_addr),
  1371. vdev_id, is_wds);
  1372. }
  1373. err = QDF_STATUS_E_INVAL;
  1374. dp_hmwds_ast_add_notify(peer, mac_addr,
  1375. peer_type, err, true);
  1376. return err;
  1377. }
  1378. }
  1379. if (!peer) {
  1380. qdf_spin_unlock_bh(&soc->ast_lock);
  1381. dp_peer_alert("Peer is NULL for mac " QDF_MAC_ADDR_FMT " ",
  1382. QDF_MAC_ADDR_REF(mac_addr));
  1383. return QDF_STATUS_E_INVAL;
  1384. }
  1385. if (ast_entry) {
  1386. ast_entry->ast_idx = hw_peer_id;
  1387. soc->ast_table[hw_peer_id] = ast_entry;
  1388. ast_entry->is_active = TRUE;
  1389. peer_type = ast_entry->type;
  1390. ast_entry->ast_hash_value = ast_hash;
  1391. ast_entry->is_mapped = TRUE;
  1392. qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER);
  1393. ast_entry->peer_id = peer->peer_id;
  1394. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1395. ase_list_elem);
  1396. }
  1397. if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev) ||
  1398. wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc)) {
  1399. if (soc->cdp_soc.ol_ops->peer_map_event) {
  1400. soc->cdp_soc.ol_ops->peer_map_event(
  1401. soc->ctrl_psoc, peer->peer_id,
  1402. hw_peer_id, vdev_id,
  1403. mac_addr, peer_type, ast_hash);
  1404. }
  1405. } else {
  1406. dp_peer_err("%pK: AST entry not found", soc);
  1407. err = QDF_STATUS_E_NOENT;
  1408. }
  1409. qdf_spin_unlock_bh(&soc->ast_lock);
  1410. dp_hmwds_ast_add_notify(peer, mac_addr,
  1411. peer_type, err, true);
  1412. return err;
  1413. }
  1414. void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
  1415. struct cdp_soc *dp_soc,
  1416. void *cookie,
  1417. enum cdp_ast_free_status status)
  1418. {
  1419. struct dp_ast_free_cb_params *param =
  1420. (struct dp_ast_free_cb_params *)cookie;
  1421. struct dp_soc *soc = (struct dp_soc *)dp_soc;
  1422. struct dp_peer *peer = NULL;
  1423. QDF_STATUS err = QDF_STATUS_SUCCESS;
  1424. if (status != CDP_TXRX_AST_DELETED) {
  1425. qdf_mem_free(cookie);
  1426. return;
  1427. }
  1428. peer = dp_peer_find_hash_find(soc, &param->peer_mac_addr.raw[0],
  1429. 0, param->vdev_id, DP_MOD_ID_AST);
  1430. if (peer) {
  1431. err = dp_peer_add_ast(soc, peer,
  1432. &param->mac_addr.raw[0],
  1433. param->type,
  1434. param->flags);
  1435. dp_hmwds_ast_add_notify(peer, &param->mac_addr.raw[0],
  1436. param->type, err, false);
  1437. dp_peer_unref_delete(peer, DP_MOD_ID_AST);
  1438. }
  1439. qdf_mem_free(cookie);
  1440. }
  1441. QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
  1442. struct dp_peer *peer,
  1443. uint8_t *mac_addr,
  1444. enum cdp_txrx_ast_entry_type type,
  1445. uint32_t flags)
  1446. {
  1447. struct dp_ast_entry *ast_entry = NULL;
  1448. struct dp_vdev *vdev = NULL;
  1449. struct dp_pdev *pdev = NULL;
  1450. txrx_ast_free_cb cb = NULL;
  1451. void *cookie = NULL;
  1452. struct dp_peer *vap_bss_peer = NULL;
  1453. bool is_peer_found = false;
  1454. int status = 0;
  1455. if (soc->ast_offload_support)
  1456. return QDF_STATUS_E_INVAL;
  1457. vdev = peer->vdev;
  1458. if (!vdev) {
  1459. dp_peer_err("%pK: Peers vdev is NULL", soc);
  1460. QDF_ASSERT(0);
  1461. return QDF_STATUS_E_INVAL;
  1462. }
  1463. pdev = vdev->pdev;
  1464. is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev);
  1465. qdf_spin_lock_bh(&soc->ast_lock);
  1466. if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) {
  1467. if ((type != CDP_TXRX_AST_TYPE_STATIC) &&
  1468. (type != CDP_TXRX_AST_TYPE_SELF)) {
  1469. qdf_spin_unlock_bh(&soc->ast_lock);
  1470. return QDF_STATUS_E_BUSY;
  1471. }
  1472. }
  1473. dp_peer_debug("%pK: pdevid: %u vdev: %u ast_entry->type: %d flags: 0x%x peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT,
  1474. soc, pdev->pdev_id, vdev->vdev_id, type, flags,
  1475. QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer,
  1476. QDF_MAC_ADDR_REF(mac_addr));
  1477. /* fw supports only 2 times the max_peers ast entries */
  1478. if (soc->num_ast_entries >=
  1479. wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) {
  1480. qdf_spin_unlock_bh(&soc->ast_lock);
  1481. dp_peer_err("%pK: Max ast entries reached", soc);
  1482. return QDF_STATUS_E_RESOURCES;
  1483. }
  1484. /* If AST entry already exists , just return from here
  1485. * ast entry with same mac address can exist on different radios
  1486. * if ast_override support is enabled use search by pdev in this
  1487. * case
  1488. */
  1489. if (soc->ast_override_support) {
  1490. ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr,
  1491. pdev->pdev_id);
  1492. if (ast_entry) {
  1493. qdf_spin_unlock_bh(&soc->ast_lock);
  1494. return QDF_STATUS_E_ALREADY;
  1495. }
  1496. if (is_peer_found) {
  1497. /* During WDS to static roaming, peer is added
  1498. * to the list before static AST entry create.
  1499. * So, allow AST entry for STATIC type
  1500. * even if peer is present
  1501. */
  1502. if (type != CDP_TXRX_AST_TYPE_STATIC) {
  1503. qdf_spin_unlock_bh(&soc->ast_lock);
  1504. return QDF_STATUS_E_ALREADY;
  1505. }
  1506. }
  1507. } else {
  1508. /* For HWMWDS_SEC entries can be added for same mac address
  1509. * do not check for existing entry
  1510. */
  1511. if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1512. goto add_ast_entry;
  1513. ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr);
  1514. if (ast_entry) {
  1515. if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) &&
  1516. !ast_entry->delete_in_progress) {
  1517. qdf_spin_unlock_bh(&soc->ast_lock);
  1518. return QDF_STATUS_E_ALREADY;
  1519. }
  1520. /* Add for HMWDS entry we cannot be ignored if there
  1521. * is AST entry with same mac address
  1522. *
  1523. * if ast entry exists with the requested mac address
  1524. * send a delete command and register callback which
  1525. * can take care of adding HMWDS ast entry on delete
  1526. * confirmation from target
  1527. */
  1528. if (type == CDP_TXRX_AST_TYPE_WDS_HM) {
  1529. struct dp_ast_free_cb_params *param = NULL;
  1530. if (ast_entry->type ==
  1531. CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1532. goto add_ast_entry;
  1533. /* save existing callback */
  1534. if (ast_entry->callback) {
  1535. cb = ast_entry->callback;
  1536. cookie = ast_entry->cookie;
  1537. }
  1538. param = qdf_mem_malloc(sizeof(*param));
  1539. if (!param) {
  1540. QDF_TRACE(QDF_MODULE_ID_TXRX,
  1541. QDF_TRACE_LEVEL_ERROR,
  1542. "Allocation failed");
  1543. qdf_spin_unlock_bh(&soc->ast_lock);
  1544. return QDF_STATUS_E_NOMEM;
  1545. }
  1546. qdf_mem_copy(&param->mac_addr.raw[0], mac_addr,
  1547. QDF_MAC_ADDR_SIZE);
  1548. qdf_mem_copy(&param->peer_mac_addr.raw[0],
  1549. &peer->mac_addr.raw[0],
  1550. QDF_MAC_ADDR_SIZE);
  1551. param->type = type;
  1552. param->flags = flags;
  1553. param->vdev_id = vdev->vdev_id;
  1554. ast_entry->callback = dp_peer_free_hmwds_cb;
  1555. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1556. ast_entry->type = type;
  1557. ast_entry->cookie = (void *)param;
  1558. if (!ast_entry->delete_in_progress)
  1559. dp_peer_del_ast(soc, ast_entry);
  1560. qdf_spin_unlock_bh(&soc->ast_lock);
  1561. /* Call the saved callback*/
  1562. if (cb) {
  1563. cb(soc->ctrl_psoc,
  1564. dp_soc_to_cdp_soc(soc),
  1565. cookie,
  1566. CDP_TXRX_AST_DELETE_IN_PROGRESS);
  1567. }
  1568. return QDF_STATUS_E_AGAIN;
  1569. }
  1570. qdf_spin_unlock_bh(&soc->ast_lock);
  1571. return QDF_STATUS_E_ALREADY;
  1572. }
  1573. }
  1574. add_ast_entry:
  1575. ast_entry = (struct dp_ast_entry *)
  1576. qdf_mem_malloc(sizeof(struct dp_ast_entry));
  1577. if (!ast_entry) {
  1578. qdf_spin_unlock_bh(&soc->ast_lock);
  1579. dp_peer_err("%pK: fail to allocate ast_entry", soc);
  1580. QDF_ASSERT(0);
  1581. return QDF_STATUS_E_NOMEM;
  1582. }
  1583. qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE);
  1584. ast_entry->pdev_id = vdev->pdev->pdev_id;
  1585. ast_entry->is_mapped = false;
  1586. ast_entry->delete_in_progress = false;
  1587. ast_entry->peer_id = HTT_INVALID_PEER;
  1588. ast_entry->next_hop = 0;
  1589. ast_entry->vdev_id = vdev->vdev_id;
  1590. switch (type) {
  1591. case CDP_TXRX_AST_TYPE_STATIC:
  1592. peer->self_ast_entry = ast_entry;
  1593. ast_entry->type = CDP_TXRX_AST_TYPE_STATIC;
  1594. if (peer->vdev->opmode == wlan_op_mode_sta)
  1595. ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS;
  1596. break;
  1597. case CDP_TXRX_AST_TYPE_SELF:
  1598. peer->self_ast_entry = ast_entry;
  1599. ast_entry->type = CDP_TXRX_AST_TYPE_SELF;
  1600. break;
  1601. case CDP_TXRX_AST_TYPE_WDS:
  1602. ast_entry->next_hop = 1;
  1603. ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
  1604. break;
  1605. case CDP_TXRX_AST_TYPE_WDS_HM:
  1606. ast_entry->next_hop = 1;
  1607. ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM;
  1608. break;
  1609. case CDP_TXRX_AST_TYPE_WDS_HM_SEC:
  1610. ast_entry->next_hop = 1;
  1611. ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC;
  1612. ast_entry->peer_id = peer->peer_id;
  1613. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry,
  1614. ase_list_elem);
  1615. break;
  1616. case CDP_TXRX_AST_TYPE_DA:
  1617. vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev,
  1618. DP_MOD_ID_AST);
  1619. if (!vap_bss_peer) {
  1620. qdf_spin_unlock_bh(&soc->ast_lock);
  1621. qdf_mem_free(ast_entry);
  1622. return QDF_STATUS_E_FAILURE;
  1623. }
  1624. peer = vap_bss_peer;
  1625. ast_entry->next_hop = 1;
  1626. ast_entry->type = CDP_TXRX_AST_TYPE_DA;
  1627. break;
  1628. default:
  1629. dp_peer_err("%pK: Incorrect AST entry type", soc);
  1630. }
  1631. ast_entry->is_active = TRUE;
  1632. DP_STATS_INC(soc, ast.added, 1);
  1633. soc->num_ast_entries++;
  1634. dp_peer_ast_hash_add(soc, ast_entry);
  1635. if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) &&
  1636. (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) &&
  1637. (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) &&
  1638. (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC))
  1639. status = dp_add_wds_entry_wrapper(soc,
  1640. peer,
  1641. mac_addr,
  1642. flags,
  1643. ast_entry->type);
  1644. if (vap_bss_peer)
  1645. dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST);
  1646. qdf_spin_unlock_bh(&soc->ast_lock);
  1647. return qdf_status_from_os_return(status);
  1648. }
  1649. qdf_export_symbol(dp_peer_add_ast);
  1650. void dp_peer_free_ast_entry(struct dp_soc *soc,
  1651. struct dp_ast_entry *ast_entry)
  1652. {
  1653. /*
  1654. * NOTE: Ensure that call to this API is done
  1655. * after soc->ast_lock is taken
  1656. */
  1657. dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1658. ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id,
  1659. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
  1660. ast_entry->callback = NULL;
  1661. ast_entry->cookie = NULL;
  1662. DP_STATS_INC(soc, ast.deleted, 1);
  1663. dp_peer_ast_hash_remove(soc, ast_entry);
  1664. dp_peer_ast_cleanup(soc, ast_entry);
  1665. qdf_mem_free(ast_entry);
  1666. soc->num_ast_entries--;
  1667. }
  1668. void dp_peer_unlink_ast_entry(struct dp_soc *soc,
  1669. struct dp_ast_entry *ast_entry,
  1670. struct dp_peer *peer)
  1671. {
  1672. if (!peer) {
  1673. dp_info_rl("NULL peer");
  1674. return;
  1675. }
  1676. if (ast_entry->peer_id == HTT_INVALID_PEER) {
  1677. dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d",
  1678. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1679. ast_entry->type);
  1680. return;
  1681. }
  1682. /*
  1683. * NOTE: Ensure that call to this API is done
  1684. * after soc->ast_lock is taken
  1685. */
  1686. qdf_assert_always(ast_entry->peer_id == peer->peer_id);
  1687. TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem);
  1688. if (ast_entry == peer->self_ast_entry)
  1689. peer->self_ast_entry = NULL;
  1690. /*
  1691. * release the reference only if it is mapped
  1692. * to ast_table
  1693. */
  1694. if (ast_entry->is_mapped)
  1695. soc->ast_table[ast_entry->ast_idx] = NULL;
  1696. ast_entry->peer_id = HTT_INVALID_PEER;
  1697. }
  1698. void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
  1699. {
  1700. struct dp_peer *peer = NULL;
  1701. if (soc->ast_offload_support)
  1702. return;
  1703. if (!ast_entry) {
  1704. dp_info_rl("NULL AST entry");
  1705. return;
  1706. }
  1707. if (ast_entry->delete_in_progress) {
  1708. dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d",
  1709. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1710. ast_entry->type);
  1711. return;
  1712. }
  1713. dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT,
  1714. (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id,
  1715. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw));
  1716. ast_entry->delete_in_progress = true;
  1717. /* In teardown del ast is called after setting logical delete state
  1718. * use __dp_peer_get_ref_by_id to get the reference irrespective of
  1719. * state
  1720. */
  1721. peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1722. DP_MOD_ID_AST);
  1723. dp_peer_ast_send_wds_del(soc, ast_entry, peer);
  1724. /* Remove SELF and STATIC entries in teardown itself */
  1725. if (!ast_entry->next_hop)
  1726. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1727. if (ast_entry->is_mapped)
  1728. soc->ast_table[ast_entry->ast_idx] = NULL;
  1729. /* if peer map v2 is enabled we are not freeing ast entry
  1730. * here and it is supposed to be freed in unmap event (after
  1731. * we receive delete confirmation from target)
  1732. *
  1733. * if peer_id is invalid we did not get the peer map event
  1734. * for the peer free ast entry from here only in this case
  1735. */
  1736. if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry))
  1737. goto end;
  1738. /* for WDS secondary entry ast_entry->next_hop would be set so
  1739. * unlinking has to be done explicitly here.
  1740. * As this entry is not a mapped entry unmap notification from
  1741. * FW will not come. Hence unlinkling is done right here.
  1742. */
  1743. if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)
  1744. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1745. dp_peer_free_ast_entry(soc, ast_entry);
  1746. end:
  1747. if (peer)
  1748. dp_peer_unref_delete(peer, DP_MOD_ID_AST);
  1749. }
  1750. int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
  1751. struct dp_ast_entry *ast_entry, uint32_t flags)
  1752. {
  1753. int ret = -1;
  1754. struct dp_peer *old_peer;
  1755. if (soc->ast_offload_support)
  1756. return QDF_STATUS_E_INVAL;
  1757. dp_peer_debug("%pK: ast_entry->type: %d pdevid: %u vdevid: %u flags: 0x%x mac_addr: " QDF_MAC_ADDR_FMT " peer_mac: " QDF_MAC_ADDR_FMT "\n",
  1758. soc, ast_entry->type, peer->vdev->pdev->pdev_id,
  1759. peer->vdev->vdev_id, flags,
  1760. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1761. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  1762. /* Do not send AST update in below cases
  1763. * 1) Ast entry delete has already triggered
  1764. * 2) Peer delete is already triggered
  1765. * 3) We did not get the HTT map for create event
  1766. */
  1767. if (ast_entry->delete_in_progress ||
  1768. !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) ||
  1769. !ast_entry->is_mapped)
  1770. return ret;
  1771. if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) ||
  1772. (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) ||
  1773. (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) ||
  1774. (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC))
  1775. return 0;
  1776. /*
  1777. * Avoids flood of WMI update messages sent to FW for same peer.
  1778. */
  1779. if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) &&
  1780. (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) &&
  1781. (ast_entry->vdev_id == peer->vdev->vdev_id) &&
  1782. (ast_entry->is_active))
  1783. return 0;
  1784. old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id,
  1785. DP_MOD_ID_AST);
  1786. if (!old_peer)
  1787. return 0;
  1788. TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem);
  1789. dp_peer_unref_delete(old_peer, DP_MOD_ID_AST);
  1790. ast_entry->peer_id = peer->peer_id;
  1791. ast_entry->type = CDP_TXRX_AST_TYPE_WDS;
  1792. ast_entry->pdev_id = peer->vdev->pdev->pdev_id;
  1793. ast_entry->vdev_id = peer->vdev->vdev_id;
  1794. ast_entry->is_active = TRUE;
  1795. TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem);
  1796. ret = dp_update_wds_entry_wrapper(soc,
  1797. peer,
  1798. ast_entry->mac_addr.raw,
  1799. flags);
  1800. return ret;
  1801. }
  1802. uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
  1803. struct dp_ast_entry *ast_entry)
  1804. {
  1805. return ast_entry->pdev_id;
  1806. }
  1807. uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
  1808. struct dp_ast_entry *ast_entry)
  1809. {
  1810. return ast_entry->next_hop;
  1811. }
  1812. void dp_peer_ast_set_type(struct dp_soc *soc,
  1813. struct dp_ast_entry *ast_entry,
  1814. enum cdp_txrx_ast_entry_type type)
  1815. {
  1816. ast_entry->type = type;
  1817. }
  1818. void dp_peer_ast_send_wds_del(struct dp_soc *soc,
  1819. struct dp_ast_entry *ast_entry,
  1820. struct dp_peer *peer)
  1821. {
  1822. bool delete_in_fw = false;
  1823. QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE,
  1824. "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n",
  1825. __func__, ast_entry->type, ast_entry->pdev_id,
  1826. ast_entry->vdev_id,
  1827. QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw),
  1828. ast_entry->next_hop, ast_entry->peer_id);
  1829. /*
  1830. * If peer state is logical delete, the peer is about to get
  1831. * teared down with a peer delete command to firmware,
  1832. * which will cleanup all the wds ast entries.
  1833. * So, no need to send explicit wds ast delete to firmware.
  1834. */
  1835. if (ast_entry->next_hop) {
  1836. if (peer && dp_peer_state_cmp(peer,
  1837. DP_PEER_STATE_LOGICAL_DELETE))
  1838. delete_in_fw = false;
  1839. else
  1840. delete_in_fw = true;
  1841. dp_del_wds_entry_wrapper(soc,
  1842. ast_entry->vdev_id,
  1843. ast_entry->mac_addr.raw,
  1844. ast_entry->type,
  1845. delete_in_fw);
  1846. }
  1847. }
  1848. #else
  1849. void dp_peer_free_ast_entry(struct dp_soc *soc,
  1850. struct dp_ast_entry *ast_entry)
  1851. {
  1852. }
  1853. void dp_peer_unlink_ast_entry(struct dp_soc *soc,
  1854. struct dp_ast_entry *ast_entry,
  1855. struct dp_peer *peer)
  1856. {
  1857. }
  1858. void dp_peer_ast_hash_remove(struct dp_soc *soc,
  1859. struct dp_ast_entry *ase)
  1860. {
  1861. }
  1862. struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc,
  1863. uint8_t *ast_mac_addr,
  1864. uint8_t vdev_id)
  1865. {
  1866. return NULL;
  1867. }
  1868. QDF_STATUS dp_peer_add_ast(struct dp_soc *soc,
  1869. struct dp_peer *peer,
  1870. uint8_t *mac_addr,
  1871. enum cdp_txrx_ast_entry_type type,
  1872. uint32_t flags)
  1873. {
  1874. return QDF_STATUS_E_FAILURE;
  1875. }
  1876. void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
  1877. {
  1878. }
  1879. int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
  1880. struct dp_ast_entry *ast_entry, uint32_t flags)
  1881. {
  1882. return 1;
  1883. }
  1884. struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc,
  1885. uint8_t *ast_mac_addr)
  1886. {
  1887. return NULL;
  1888. }
  1889. struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type(
  1890. struct dp_soc *soc,
  1891. uint8_t *ast_mac_addr,
  1892. enum cdp_txrx_ast_entry_type type)
  1893. {
  1894. return NULL;
  1895. }
  1896. static inline
  1897. QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id,
  1898. uint8_t *mac_addr, uint16_t hw_peer_id,
  1899. uint8_t vdev_id, uint16_t ast_hash,
  1900. uint8_t is_wds)
  1901. {
  1902. return QDF_STATUS_SUCCESS;
  1903. }
  1904. struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc,
  1905. uint8_t *ast_mac_addr,
  1906. uint8_t pdev_id)
  1907. {
  1908. return NULL;
  1909. }
  1910. QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc)
  1911. {
  1912. return QDF_STATUS_SUCCESS;
  1913. }
  1914. static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc,
  1915. struct dp_peer *peer,
  1916. uint8_t *mac_addr,
  1917. uint16_t hw_peer_id,
  1918. uint8_t vdev_id,
  1919. uint16_t ast_hash,
  1920. uint8_t is_wds)
  1921. {
  1922. return QDF_STATUS_SUCCESS;
  1923. }
  1924. void dp_peer_ast_hash_detach(struct dp_soc *soc)
  1925. {
  1926. }
  1927. void dp_peer_ast_set_type(struct dp_soc *soc,
  1928. struct dp_ast_entry *ast_entry,
  1929. enum cdp_txrx_ast_entry_type type)
  1930. {
  1931. }
  1932. uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc,
  1933. struct dp_ast_entry *ast_entry)
  1934. {
  1935. return 0xff;
  1936. }
  1937. uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
  1938. struct dp_ast_entry *ast_entry)
  1939. {
  1940. return 0xff;
  1941. }
  1942. void dp_peer_ast_send_wds_del(struct dp_soc *soc,
  1943. struct dp_ast_entry *ast_entry,
  1944. struct dp_peer *peer)
  1945. {
  1946. }
  1947. static inline
  1948. void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id,
  1949. uint8_t vdev_id, uint8_t *mac_addr)
  1950. {
  1951. }
  1952. #endif
  1953. #ifdef WLAN_FEATURE_MULTI_AST_DEL
  1954. void dp_peer_ast_send_multi_wds_del(
  1955. struct dp_soc *soc, uint8_t vdev_id,
  1956. struct peer_del_multi_wds_entries *wds_list)
  1957. {
  1958. struct cdp_soc_t *cdp_soc = &soc->cdp_soc;
  1959. if (cdp_soc && cdp_soc->ol_ops &&
  1960. cdp_soc->ol_ops->peer_del_multi_wds_entry)
  1961. cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc,
  1962. vdev_id, wds_list);
  1963. }
  1964. #endif
  1965. #ifdef FEATURE_WDS
  1966. /**
  1967. * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer
  1968. * @soc: soc handle
  1969. * @peer: peer handle
  1970. *
  1971. * Free all the wds ast entries associated with peer
  1972. *
  1973. * Return: Number of wds ast entries freed
  1974. */
  1975. static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc,
  1976. struct dp_peer *peer)
  1977. {
  1978. TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0};
  1979. struct dp_ast_entry *ast_entry, *temp_ast_entry;
  1980. uint32_t num_ast = 0;
  1981. TAILQ_INIT(&ast_local_list);
  1982. qdf_spin_lock_bh(&soc->ast_lock);
  1983. DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
  1984. if (ast_entry->next_hop)
  1985. num_ast++;
  1986. if (ast_entry->is_mapped)
  1987. soc->ast_table[ast_entry->ast_idx] = NULL;
  1988. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  1989. DP_STATS_INC(soc, ast.deleted, 1);
  1990. dp_peer_ast_hash_remove(soc, ast_entry);
  1991. TAILQ_INSERT_TAIL(&ast_local_list, ast_entry,
  1992. ase_list_elem);
  1993. soc->num_ast_entries--;
  1994. }
  1995. qdf_spin_unlock_bh(&soc->ast_lock);
  1996. TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem,
  1997. temp_ast_entry) {
  1998. if (ast_entry->callback)
  1999. ast_entry->callback(soc->ctrl_psoc,
  2000. dp_soc_to_cdp_soc(soc),
  2001. ast_entry->cookie,
  2002. CDP_TXRX_AST_DELETED);
  2003. qdf_mem_free(ast_entry);
  2004. }
  2005. return num_ast;
  2006. }
  2007. /**
  2008. * dp_peer_clean_wds_entries() - Clean wds ast entries and compare
  2009. * @soc: soc handle
  2010. * @peer: peer handle
  2011. * @free_wds_count: number of wds entries freed by FW with peer delete
  2012. *
  2013. * Free all the wds ast entries associated with peer and compare with
  2014. * the value received from firmware
  2015. *
  2016. * Return: Number of wds ast entries freed
  2017. */
  2018. static void
  2019. dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
  2020. uint32_t free_wds_count)
  2021. {
  2022. uint32_t wds_deleted = 0;
  2023. bool ast_ind_disable;
  2024. if (soc->ast_offload_support && !soc->host_ast_db_enable)
  2025. return;
  2026. ast_ind_disable = wlan_cfg_get_ast_indication_disable
  2027. (soc->wlan_cfg_ctx);
  2028. wds_deleted = dp_peer_ast_free_wds_entries(soc, peer);
  2029. if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) &&
  2030. (free_wds_count != wds_deleted) && !ast_ind_disable) {
  2031. DP_STATS_INC(soc, ast.ast_mismatch, 1);
  2032. dp_alert("For peer %pK (mac: "QDF_MAC_ADDR_FMT")number of wds entries deleted by fw = %d during peer delete is not same as the numbers deleted by host = %d",
  2033. peer, peer->mac_addr.raw, free_wds_count,
  2034. wds_deleted);
  2035. }
  2036. }
  2037. #else
  2038. static void
  2039. dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer,
  2040. uint32_t free_wds_count)
  2041. {
  2042. struct dp_ast_entry *ast_entry, *temp_ast_entry;
  2043. qdf_spin_lock_bh(&soc->ast_lock);
  2044. DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) {
  2045. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  2046. if (ast_entry->is_mapped)
  2047. soc->ast_table[ast_entry->ast_idx] = NULL;
  2048. dp_peer_free_ast_entry(soc, ast_entry);
  2049. }
  2050. peer->self_ast_entry = NULL;
  2051. qdf_spin_unlock_bh(&soc->ast_lock);
  2052. }
  2053. #endif
  2054. /**
  2055. * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete
  2056. * @soc: soc handle
  2057. * @peer: peer handle
  2058. * @vdev_id: vdev_id
  2059. * @mac_addr: mac address of the AST entry to searc and delete
  2060. *
  2061. * find the ast entry from the peer list using the mac address and free
  2062. * the entry.
  2063. *
  2064. * Return: SUCCESS or NOENT
  2065. */
  2066. static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc,
  2067. struct dp_peer *peer,
  2068. uint8_t vdev_id,
  2069. uint8_t *mac_addr)
  2070. {
  2071. struct dp_ast_entry *ast_entry;
  2072. void *cookie = NULL;
  2073. txrx_ast_free_cb cb = NULL;
  2074. /*
  2075. * release the reference only if it is mapped
  2076. * to ast_table
  2077. */
  2078. qdf_spin_lock_bh(&soc->ast_lock);
  2079. ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id);
  2080. if (!ast_entry) {
  2081. qdf_spin_unlock_bh(&soc->ast_lock);
  2082. return QDF_STATUS_E_NOENT;
  2083. } else if (ast_entry->is_mapped) {
  2084. soc->ast_table[ast_entry->ast_idx] = NULL;
  2085. }
  2086. cb = ast_entry->callback;
  2087. cookie = ast_entry->cookie;
  2088. dp_peer_unlink_ast_entry(soc, ast_entry, peer);
  2089. dp_peer_free_ast_entry(soc, ast_entry);
  2090. qdf_spin_unlock_bh(&soc->ast_lock);
  2091. if (cb) {
  2092. cb(soc->ctrl_psoc,
  2093. dp_soc_to_cdp_soc(soc),
  2094. cookie,
  2095. CDP_TXRX_AST_DELETED);
  2096. }
  2097. return QDF_STATUS_SUCCESS;
  2098. }
  2099. void dp_peer_find_hash_erase(struct dp_soc *soc)
  2100. {
  2101. int i;
  2102. /*
  2103. * Not really necessary to take peer_ref_mutex lock - by this point,
  2104. * it's known that the soc is no longer in use.
  2105. */
  2106. for (i = 0; i <= soc->peer_hash.mask; i++) {
  2107. if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) {
  2108. struct dp_peer *peer, *peer_next;
  2109. /*
  2110. * TAILQ_FOREACH_SAFE must be used here to avoid any
  2111. * memory access violation after peer is freed
  2112. */
  2113. TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i],
  2114. hash_list_elem, peer_next) {
  2115. /*
  2116. * Don't remove the peer from the hash table -
  2117. * that would modify the list we are currently
  2118. * traversing, and it's not necessary anyway.
  2119. */
  2120. /*
  2121. * Artificially adjust the peer's ref count to
  2122. * 1, so it will get deleted by
  2123. * dp_peer_unref_delete.
  2124. */
  2125. /* set to zero */
  2126. qdf_atomic_init(&peer->ref_cnt);
  2127. for (i = 0; i < DP_MOD_ID_MAX; i++)
  2128. qdf_atomic_init(&peer->mod_refs[i]);
  2129. /* incr to one */
  2130. qdf_atomic_inc(&peer->ref_cnt);
  2131. qdf_atomic_inc(&peer->mod_refs
  2132. [DP_MOD_ID_CONFIG]);
  2133. dp_peer_unref_delete(peer,
  2134. DP_MOD_ID_CONFIG);
  2135. }
  2136. }
  2137. }
  2138. }
  2139. void dp_peer_ast_table_detach(struct dp_soc *soc)
  2140. {
  2141. if (soc->ast_table) {
  2142. qdf_mem_free(soc->ast_table);
  2143. soc->ast_table = NULL;
  2144. }
  2145. }
  2146. void dp_peer_find_map_detach(struct dp_soc *soc)
  2147. {
  2148. struct dp_peer *peer = NULL;
  2149. uint32_t i = 0;
  2150. if (soc->peer_id_to_obj_map) {
  2151. for (i = 0; i < soc->max_peer_id; i++) {
  2152. peer = soc->peer_id_to_obj_map[i];
  2153. if (peer)
  2154. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2155. }
  2156. qdf_mem_free(soc->peer_id_to_obj_map);
  2157. soc->peer_id_to_obj_map = NULL;
  2158. qdf_spinlock_destroy(&soc->peer_map_lock);
  2159. }
  2160. }
  2161. #ifndef AST_OFFLOAD_ENABLE
  2162. QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
  2163. {
  2164. QDF_STATUS status;
  2165. status = dp_peer_find_map_attach(soc);
  2166. if (!QDF_IS_STATUS_SUCCESS(status))
  2167. return status;
  2168. status = dp_peer_find_hash_attach(soc);
  2169. if (!QDF_IS_STATUS_SUCCESS(status))
  2170. goto map_detach;
  2171. status = dp_peer_ast_table_attach(soc);
  2172. if (!QDF_IS_STATUS_SUCCESS(status))
  2173. goto hash_detach;
  2174. status = dp_peer_ast_hash_attach(soc);
  2175. if (!QDF_IS_STATUS_SUCCESS(status))
  2176. goto ast_table_detach;
  2177. status = dp_peer_mec_hash_attach(soc);
  2178. if (QDF_IS_STATUS_SUCCESS(status)) {
  2179. dp_soc_wds_attach(soc);
  2180. return status;
  2181. }
  2182. dp_peer_ast_hash_detach(soc);
  2183. ast_table_detach:
  2184. dp_peer_ast_table_detach(soc);
  2185. hash_detach:
  2186. dp_peer_find_hash_detach(soc);
  2187. map_detach:
  2188. dp_peer_find_map_detach(soc);
  2189. return status;
  2190. }
  2191. #else
  2192. QDF_STATUS dp_peer_find_attach(struct dp_soc *soc)
  2193. {
  2194. QDF_STATUS status;
  2195. status = dp_peer_find_map_attach(soc);
  2196. if (!QDF_IS_STATUS_SUCCESS(status))
  2197. return status;
  2198. status = dp_peer_find_hash_attach(soc);
  2199. if (!QDF_IS_STATUS_SUCCESS(status))
  2200. goto map_detach;
  2201. return status;
  2202. map_detach:
  2203. dp_peer_find_map_detach(soc);
  2204. return status;
  2205. }
  2206. #endif
  2207. #ifdef REO_SHARED_QREF_TABLE_EN
  2208. void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc,
  2209. struct dp_peer *peer)
  2210. {
  2211. uint8_t tid;
  2212. uint16_t peer_id;
  2213. uint32_t max_list_size;
  2214. max_list_size = soc->wlan_cfg_ctx->qref_control_size;
  2215. peer_id = peer->peer_id;
  2216. if (peer_id > soc->max_peer_id)
  2217. return;
  2218. if (IS_MLO_DP_LINK_PEER(peer))
  2219. return;
  2220. if (max_list_size) {
  2221. unsigned long curr_ts = qdf_get_system_timestamp();
  2222. struct dp_peer *primary_peer = peer;
  2223. uint16_t chip_id = 0xFFFF;
  2224. uint32_t qref_index;
  2225. qref_index = soc->shared_qaddr_del_idx;
  2226. soc->list_shared_qaddr_del[qref_index].peer_id =
  2227. primary_peer->peer_id;
  2228. soc->list_shared_qaddr_del[qref_index].ts_qaddr_del = curr_ts;
  2229. soc->list_shared_qaddr_del[qref_index].chip_id = chip_id;
  2230. soc->shared_qaddr_del_idx++;
  2231. if (soc->shared_qaddr_del_idx == max_list_size)
  2232. soc->shared_qaddr_del_idx = 0;
  2233. }
  2234. if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) {
  2235. for (tid = 0; tid < DP_MAX_TIDS; tid++) {
  2236. hal_reo_shared_qaddr_write(soc->hal_soc,
  2237. peer_id, tid, 0);
  2238. }
  2239. }
  2240. }
  2241. #endif
  2242. /**
  2243. * dp_peer_find_add_id() - map peer_id with peer
  2244. * @soc: soc handle
  2245. * @peer_mac_addr: peer mac address
  2246. * @peer_id: peer id to be mapped
  2247. * @hw_peer_id: HW ast index
  2248. * @vdev_id: vdev_id
  2249. * @peer_type: peer type (link or MLD)
  2250. *
  2251. * return: peer in success
  2252. * NULL in failure
  2253. */
  2254. static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
  2255. uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id,
  2256. uint8_t vdev_id, enum cdp_peer_type peer_type)
  2257. {
  2258. struct dp_peer *peer;
  2259. struct cdp_peer_info peer_info = { 0 };
  2260. QDF_ASSERT(peer_id <= soc->max_peer_id);
  2261. /* check if there's already a peer object with this MAC address */
  2262. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr,
  2263. false, peer_type);
  2264. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG);
  2265. dp_peer_debug("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT,
  2266. soc, peer, peer_id, vdev_id,
  2267. QDF_MAC_ADDR_REF(peer_mac_addr));
  2268. if (peer) {
  2269. /* peer's ref count was already incremented by
  2270. * peer_find_hash_find
  2271. */
  2272. dp_peer_info("%pK: ref_cnt: %d", soc,
  2273. qdf_atomic_read(&peer->ref_cnt));
  2274. /*
  2275. * if peer is in logical delete CP triggered delete before map
  2276. * is received ignore this event
  2277. */
  2278. if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) {
  2279. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2280. dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d",
  2281. peer, QDF_MAC_ADDR_REF(peer_mac_addr),
  2282. vdev_id);
  2283. return NULL;
  2284. }
  2285. if (peer->peer_id == HTT_INVALID_PEER) {
  2286. if (!IS_MLO_DP_MLD_PEER(peer))
  2287. dp_monitor_peer_tid_peer_id_update(soc, peer,
  2288. peer_id);
  2289. } else {
  2290. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2291. QDF_ASSERT(0);
  2292. return NULL;
  2293. }
  2294. dp_peer_find_id_to_obj_add(soc, peer, peer_id);
  2295. if (soc->arch_ops.dp_partner_chips_map)
  2296. soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id);
  2297. dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE);
  2298. return peer;
  2299. }
  2300. return NULL;
  2301. }
  2302. #ifdef WLAN_FEATURE_11BE_MLO
  2303. #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH
  2304. uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
  2305. {
  2306. return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift));
  2307. }
  2308. #else
  2309. uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id)
  2310. {
  2311. return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S));
  2312. }
  2313. #endif
  2314. QDF_STATUS
  2315. dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
  2316. uint8_t *peer_mac_addr,
  2317. struct dp_mlo_flow_override_info *mlo_flow_info,
  2318. struct dp_mlo_link_info *mlo_link_info)
  2319. {
  2320. struct dp_peer *peer = NULL;
  2321. uint16_t hw_peer_id = mlo_flow_info[0].ast_idx;
  2322. uint16_t ast_hash = mlo_flow_info[0].cache_set_num;
  2323. uint8_t vdev_id = 0;
  2324. uint8_t is_wds = 0;
  2325. int i;
  2326. uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
  2327. enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
  2328. QDF_STATUS err = QDF_STATUS_SUCCESS;
  2329. struct dp_soc *primary_soc = NULL;
  2330. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP,
  2331. NULL, peer_mac_addr,
  2332. 1, peer_id, ml_peer_id, 0,
  2333. vdev_id);
  2334. dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT,
  2335. soc, peer_id, ml_peer_id,
  2336. QDF_MAC_ADDR_REF(peer_mac_addr));
  2337. /* Get corresponding vdev ID for the peer based
  2338. * on chip ID obtained from mlo peer_map event
  2339. */
  2340. for (i = 0; i < DP_MAX_MLO_LINKS; i++) {
  2341. if (mlo_link_info[i].peer_chip_id == dp_get_chip_id(soc)) {
  2342. vdev_id = mlo_link_info[i].vdev_id;
  2343. break;
  2344. }
  2345. }
  2346. peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id,
  2347. hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE);
  2348. if (peer) {
  2349. if (wlan_op_mode_sta == peer->vdev->opmode &&
  2350. qdf_mem_cmp(peer->mac_addr.raw,
  2351. peer->vdev->mld_mac_addr.raw,
  2352. QDF_MAC_ADDR_SIZE) != 0) {
  2353. dp_peer_info("%pK: STA vdev bss_peer!!!!", soc);
  2354. peer->bss_peer = 1;
  2355. if (peer->txrx_peer)
  2356. peer->txrx_peer->bss_peer = 1;
  2357. }
  2358. if (peer->vdev->opmode == wlan_op_mode_sta) {
  2359. peer->vdev->bss_ast_hash = ast_hash;
  2360. peer->vdev->bss_ast_idx = hw_peer_id;
  2361. }
  2362. /* Add ast entry incase self ast entry is
  2363. * deleted due to DP CP sync issue
  2364. *
  2365. * self_ast_entry is modified in peer create
  2366. * and peer unmap path which cannot run in
  2367. * parllel with peer map, no lock need before
  2368. * referring it
  2369. */
  2370. if (!peer->self_ast_entry) {
  2371. dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
  2372. QDF_MAC_ADDR_REF(peer_mac_addr));
  2373. dp_peer_add_ast(soc, peer,
  2374. peer_mac_addr,
  2375. type, 0);
  2376. }
  2377. /* If peer setup and hence rx_tid setup got called
  2378. * before htt peer map then Qref write to LUT did not
  2379. * happen in rx_tid setup as peer_id was invalid.
  2380. * So defer Qref write to peer map handler. Check if
  2381. * rx_tid qdesc for tid 0 is already setup and perform
  2382. * qref write to LUT for Tid 0 and 16.
  2383. *
  2384. * Peer map could be obtained on assoc link, hence
  2385. * change to primary link's soc.
  2386. */
  2387. primary_soc = peer->vdev->pdev->soc;
  2388. if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) &&
  2389. peer->rx_tid[0].hw_qdesc_vaddr_unaligned) {
  2390. hal_reo_shared_qaddr_write(primary_soc->hal_soc,
  2391. ml_peer_id,
  2392. 0,
  2393. peer->rx_tid[0].hw_qdesc_paddr);
  2394. hal_reo_shared_qaddr_write(primary_soc->hal_soc,
  2395. ml_peer_id,
  2396. DP_NON_QOS_TID,
  2397. peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
  2398. }
  2399. }
  2400. if (!primary_soc)
  2401. primary_soc = soc;
  2402. err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
  2403. vdev_id, ast_hash, is_wds);
  2404. /*
  2405. * If AST offload and host AST DB is enabled, populate AST entries on
  2406. * host based on mlo peer map event from FW
  2407. */
  2408. if (peer && soc->ast_offload_support && soc->host_ast_db_enable) {
  2409. dp_peer_host_add_map_ast(primary_soc, ml_peer_id, peer_mac_addr,
  2410. hw_peer_id, vdev_id,
  2411. ast_hash, is_wds);
  2412. }
  2413. return err;
  2414. }
  2415. #endif
  2416. #ifdef DP_RX_UDP_OVER_PEER_ROAM
  2417. void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id,
  2418. uint8_t *peer_mac_addr)
  2419. {
  2420. struct dp_vdev *vdev = NULL;
  2421. vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT);
  2422. if (vdev) {
  2423. if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr,
  2424. QDF_MAC_ADDR_SIZE) == 0) {
  2425. vdev->roaming_peer_status =
  2426. WLAN_ROAM_PEER_AUTH_STATUS_NONE;
  2427. qdf_mem_zero(vdev->roaming_peer_mac.raw,
  2428. QDF_MAC_ADDR_SIZE);
  2429. }
  2430. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT);
  2431. }
  2432. }
  2433. #endif
  2434. #ifdef WLAN_SUPPORT_PPEDS
  2435. static void
  2436. dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
  2437. bool peer_map)
  2438. {
  2439. if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping)
  2440. soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
  2441. peer_map);
  2442. }
  2443. #else
  2444. static void
  2445. dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev,
  2446. bool peer_map)
  2447. {
  2448. }
  2449. #endif
  2450. QDF_STATUS
  2451. dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id,
  2452. uint16_t hw_peer_id, uint8_t vdev_id,
  2453. uint8_t *peer_mac_addr, uint16_t ast_hash,
  2454. uint8_t is_wds)
  2455. {
  2456. struct dp_peer *peer = NULL;
  2457. struct dp_vdev *vdev = NULL;
  2458. enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC;
  2459. QDF_STATUS err = QDF_STATUS_SUCCESS;
  2460. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP,
  2461. NULL, peer_mac_addr, 1, peer_id,
  2462. 0, 0, vdev_id);
  2463. dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d",
  2464. soc, peer_id, hw_peer_id,
  2465. QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id);
  2466. /* Peer map event for WDS ast entry get the peer from
  2467. * obj map
  2468. */
  2469. if (is_wds) {
  2470. if (!soc->ast_offload_support) {
  2471. peer = dp_peer_get_ref_by_id(soc, peer_id,
  2472. DP_MOD_ID_HTT);
  2473. err = dp_peer_map_ast(soc, peer, peer_mac_addr,
  2474. hw_peer_id,
  2475. vdev_id, ast_hash, is_wds);
  2476. if (peer)
  2477. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2478. }
  2479. } else {
  2480. /*
  2481. * It's the responsibility of the CP and FW to ensure
  2482. * that peer is created successfully. Ideally DP should
  2483. * not hit the below condition for directly associated
  2484. * peers.
  2485. */
  2486. if ((!soc->ast_offload_support) && ((hw_peer_id < 0) ||
  2487. (hw_peer_id >=
  2488. wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) {
  2489. dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id);
  2490. qdf_assert_always(0);
  2491. }
  2492. peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id,
  2493. hw_peer_id, vdev_id,
  2494. CDP_LINK_PEER_TYPE);
  2495. if (peer) {
  2496. bool peer_map = true;
  2497. /* Updating ast_hash and ast_idx in peer level */
  2498. peer->ast_hash = ast_hash;
  2499. peer->ast_idx = hw_peer_id;
  2500. vdev = peer->vdev;
  2501. /* Only check for STA Vdev and peer is not for TDLS */
  2502. if (wlan_op_mode_sta == vdev->opmode &&
  2503. !peer->is_tdls_peer) {
  2504. if (qdf_mem_cmp(peer->mac_addr.raw,
  2505. vdev->mac_addr.raw,
  2506. QDF_MAC_ADDR_SIZE) != 0) {
  2507. dp_info("%pK: STA vdev bss_peer", soc);
  2508. peer->bss_peer = 1;
  2509. if (peer->txrx_peer)
  2510. peer->txrx_peer->bss_peer = 1;
  2511. }
  2512. dp_info("bss ast_hash 0x%x, ast_index 0x%x",
  2513. ast_hash, hw_peer_id);
  2514. vdev->bss_ast_hash = ast_hash;
  2515. vdev->bss_ast_idx = hw_peer_id;
  2516. dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev,
  2517. peer_map);
  2518. }
  2519. /* Add ast entry incase self ast entry is
  2520. * deleted due to DP CP sync issue
  2521. *
  2522. * self_ast_entry is modified in peer create
  2523. * and peer unmap path which cannot run in
  2524. * parllel with peer map, no lock need before
  2525. * referring it
  2526. */
  2527. if (!soc->ast_offload_support &&
  2528. !peer->self_ast_entry) {
  2529. dp_info("Add self ast from map "QDF_MAC_ADDR_FMT,
  2530. QDF_MAC_ADDR_REF(peer_mac_addr));
  2531. dp_peer_add_ast(soc, peer,
  2532. peer_mac_addr,
  2533. type, 0);
  2534. }
  2535. /* If peer setup and hence rx_tid setup got called
  2536. * before htt peer map then Qref write to LUT did
  2537. * not happen in rx_tid setup as peer_id was invalid.
  2538. * So defer Qref write to peer map handler. Check if
  2539. * rx_tid qdesc for tid 0 is already setup perform qref
  2540. * write to LUT for Tid 0 and 16.
  2541. */
  2542. if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) &&
  2543. peer->rx_tid[0].hw_qdesc_vaddr_unaligned &&
  2544. !IS_MLO_DP_LINK_PEER(peer)) {
  2545. add_entry_write_list(soc, peer, 0);
  2546. hal_reo_shared_qaddr_write(soc->hal_soc,
  2547. peer_id,
  2548. 0,
  2549. peer->rx_tid[0].hw_qdesc_paddr);
  2550. add_entry_write_list(soc, peer, DP_NON_QOS_TID);
  2551. hal_reo_shared_qaddr_write(soc->hal_soc,
  2552. peer_id,
  2553. DP_NON_QOS_TID,
  2554. peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr);
  2555. }
  2556. }
  2557. err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id,
  2558. vdev_id, ast_hash, is_wds);
  2559. }
  2560. dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr);
  2561. /*
  2562. * If AST offload and host AST DB is enabled, populate AST entries on
  2563. * host based on peer map event from FW
  2564. */
  2565. if (soc->ast_offload_support && soc->host_ast_db_enable) {
  2566. dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr,
  2567. hw_peer_id, vdev_id,
  2568. ast_hash, is_wds);
  2569. }
  2570. return err;
  2571. }
  2572. void
  2573. dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id,
  2574. uint8_t vdev_id, uint8_t *mac_addr,
  2575. uint8_t is_wds, uint32_t free_wds_count)
  2576. {
  2577. struct dp_peer *peer;
  2578. struct dp_vdev *vdev = NULL;
  2579. /*
  2580. * If FW AST offload is enabled and host AST DB is enabled,
  2581. * the AST entries are created during peer map from FW.
  2582. */
  2583. if (soc->ast_offload_support && is_wds) {
  2584. if (!soc->host_ast_db_enable)
  2585. return;
  2586. }
  2587. peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  2588. /*
  2589. * Currently peer IDs are assigned for vdevs as well as peers.
  2590. * If the peer ID is for a vdev, then the peer pointer stored
  2591. * in peer_id_to_obj_map will be NULL.
  2592. */
  2593. if (!peer) {
  2594. dp_err("Received unmap event for invalid peer_id %u",
  2595. peer_id);
  2596. return;
  2597. }
  2598. vdev = peer->vdev;
  2599. if (peer->txrx_peer) {
  2600. struct cdp_txrx_peer_params_update params = {0};
  2601. params.vdev_id = vdev->vdev_id;
  2602. params.peer_mac = peer->mac_addr.raw;
  2603. params.chip_id = dp_get_chip_id(soc);
  2604. params.pdev_id = vdev->pdev->pdev_id;
  2605. dp_wdi_event_handler(WDI_EVENT_PEER_UNMAP, soc,
  2606. (void *)&params, peer_id,
  2607. WDI_NO_VAL, vdev->pdev->pdev_id);
  2608. }
  2609. /*
  2610. * In scenario where assoc peer soc id is different from
  2611. * primary soc id, reset the soc to point to primary psoc.
  2612. * Since map is received on primary soc, the unmap should
  2613. * also delete ast on primary soc.
  2614. */
  2615. soc = peer->vdev->pdev->soc;
  2616. /* If V2 Peer map messages are enabled AST entry has to be
  2617. * freed here
  2618. */
  2619. if (is_wds) {
  2620. if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id,
  2621. mac_addr)) {
  2622. dp_peer_unmap_ipa_evt(soc, peer_id, vdev_id, mac_addr);
  2623. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2624. return;
  2625. }
  2626. dp_alert("AST entry not found with peer %pK peer_id %u peer_mac "QDF_MAC_ADDR_FMT" mac_addr "QDF_MAC_ADDR_FMT" vdev_id %u next_hop %u",
  2627. peer, peer->peer_id,
  2628. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2629. QDF_MAC_ADDR_REF(mac_addr), vdev_id,
  2630. is_wds);
  2631. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2632. return;
  2633. }
  2634. dp_peer_clean_wds_entries(soc, peer, free_wds_count);
  2635. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP,
  2636. peer, mac_addr, 0, peer_id,
  2637. 0, 0, vdev_id);
  2638. dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK",
  2639. soc, peer_id, peer);
  2640. /* Clear entries in Qref LUT */
  2641. /* TODO: Check if this is to be called from
  2642. * dp_peer_delete for MLO case if there is race between
  2643. * new peer id assignment and still not having received
  2644. * peer unmap for MLD peer with same peer id.
  2645. */
  2646. dp_peer_rx_reo_shared_qaddr_delete(soc, peer);
  2647. vdev = peer->vdev;
  2648. /* only if peer is in STA mode and not tdls peer */
  2649. if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) {
  2650. bool peer_map = false;
  2651. dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map);
  2652. }
  2653. dp_peer_find_id_to_obj_remove(soc, peer_id);
  2654. if (soc->arch_ops.dp_partner_chips_unmap)
  2655. soc->arch_ops.dp_partner_chips_unmap(soc, peer_id);
  2656. peer->peer_id = HTT_INVALID_PEER;
  2657. /*
  2658. * Reset ast flow mapping table
  2659. */
  2660. if (!soc->ast_offload_support)
  2661. dp_peer_reset_flowq_map(peer);
  2662. if (soc->cdp_soc.ol_ops->peer_unmap_event) {
  2663. soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc,
  2664. peer_id, vdev_id, mac_addr);
  2665. }
  2666. dp_update_vdev_stats_on_peer_unmap(vdev, peer);
  2667. dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE);
  2668. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2669. /*
  2670. * Remove a reference to the peer.
  2671. * If there are no more references, delete the peer object.
  2672. */
  2673. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2674. }
  2675. #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT)
  2676. enum dp_bands dp_freq_to_band(qdf_freq_t freq)
  2677. {
  2678. if (REG_IS_24GHZ_CH_FREQ(freq))
  2679. return DP_BAND_2GHZ;
  2680. else if (REG_IS_5GHZ_FREQ(freq) || REG_IS_49GHZ_FREQ(freq))
  2681. return DP_BAND_5GHZ;
  2682. else if (REG_IS_6GHZ_FREQ(freq))
  2683. return DP_BAND_6GHZ;
  2684. return DP_BAND_INVALID;
  2685. }
  2686. void dp_map_link_id_band(struct dp_peer *peer)
  2687. {
  2688. struct dp_txrx_peer *txrx_peer = NULL;
  2689. enum dp_bands band;
  2690. txrx_peer = dp_get_txrx_peer(peer);
  2691. if (txrx_peer) {
  2692. band = dp_freq_to_band(peer->freq);
  2693. txrx_peer->band[peer->link_id + 1] = band;
  2694. dp_info("Band(Freq: %u): %u mapped to Link ID: %u",
  2695. peer->freq, band, peer->link_id);
  2696. } else {
  2697. dp_info("txrx_peer NULL for peer: " QDF_MAC_ADDR_FMT,
  2698. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  2699. }
  2700. }
  2701. QDF_STATUS
  2702. dp_rx_peer_ext_evt(struct dp_soc *soc, struct dp_peer_ext_evt_info *info)
  2703. {
  2704. struct dp_peer *peer = NULL;
  2705. struct cdp_peer_info peer_info = { 0 };
  2706. QDF_ASSERT(info->peer_id <= soc->max_peer_id);
  2707. DP_PEER_INFO_PARAMS_INIT(&peer_info, info->vdev_id, info->peer_mac_addr,
  2708. false, CDP_LINK_PEER_TYPE);
  2709. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG);
  2710. if (!peer) {
  2711. dp_err("peer NULL, id %u, MAC " QDF_MAC_ADDR_FMT ", vdev_id %u",
  2712. info->peer_id, QDF_MAC_ADDR_REF(info->peer_mac_addr),
  2713. info->vdev_id);
  2714. return QDF_STATUS_E_FAILURE;
  2715. }
  2716. peer->link_id = info->link_id;
  2717. peer->link_id_valid = info->link_id_valid;
  2718. if (peer->freq)
  2719. dp_map_link_id_band(peer);
  2720. dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG);
  2721. return QDF_STATUS_SUCCESS;
  2722. }
  2723. #endif
  2724. #ifdef WLAN_FEATURE_11BE_MLO
  2725. void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id)
  2726. {
  2727. uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id);
  2728. uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0};
  2729. uint8_t vdev_id = DP_VDEV_ALL;
  2730. uint8_t is_wds = 0;
  2731. dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP,
  2732. NULL, mac_addr, 0, peer_id,
  2733. 0, 0, vdev_id);
  2734. dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d",
  2735. soc, peer_id);
  2736. dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id,
  2737. mac_addr, is_wds,
  2738. DP_PEER_WDS_COUNT_INVALID);
  2739. }
  2740. #endif
  2741. #ifndef AST_OFFLOAD_ENABLE
  2742. void
  2743. dp_peer_find_detach(struct dp_soc *soc)
  2744. {
  2745. dp_soc_wds_detach(soc);
  2746. dp_peer_find_map_detach(soc);
  2747. dp_peer_find_hash_detach(soc);
  2748. dp_peer_ast_hash_detach(soc);
  2749. dp_peer_ast_table_detach(soc);
  2750. dp_peer_mec_hash_detach(soc);
  2751. }
  2752. #else
  2753. void
  2754. dp_peer_find_detach(struct dp_soc *soc)
  2755. {
  2756. dp_peer_find_map_detach(soc);
  2757. dp_peer_find_hash_detach(soc);
  2758. }
  2759. #endif
  2760. void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer)
  2761. {
  2762. dp_peer_rx_tid_setup(peer);
  2763. peer->active_ba_session_cnt = 0;
  2764. peer->hw_buffer_size = 0;
  2765. peer->kill_256_sessions = 0;
  2766. /*
  2767. * Set security defaults: no PN check, no security. The target may
  2768. * send a HTT SEC_IND message to overwrite these defaults.
  2769. */
  2770. if (peer->txrx_peer)
  2771. peer->txrx_peer->security[dp_sec_ucast].sec_type =
  2772. peer->txrx_peer->security[dp_sec_mcast].sec_type =
  2773. cdp_sec_type_none;
  2774. }
  2775. void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
  2776. {
  2777. enum wlan_op_mode vdev_opmode;
  2778. uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE];
  2779. struct dp_pdev *pdev = vdev->pdev;
  2780. struct dp_soc *soc = pdev->soc;
  2781. /* save vdev related member in case vdev freed */
  2782. vdev_opmode = vdev->opmode;
  2783. if (!IS_MLO_DP_MLD_PEER(peer))
  2784. dp_monitor_peer_tx_cleanup(vdev, peer);
  2785. if (vdev_opmode != wlan_op_mode_monitor)
  2786. /* cleanup the Rx reorder queues for this peer */
  2787. dp_peer_rx_cleanup(vdev, peer);
  2788. dp_peer_rx_tids_destroy(peer);
  2789. if (IS_MLO_DP_LINK_PEER(peer))
  2790. dp_link_peer_del_mld_peer(peer);
  2791. if (IS_MLO_DP_MLD_PEER(peer))
  2792. dp_mld_peer_deinit_link_peers_info(peer);
  2793. qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw,
  2794. QDF_MAC_ADDR_SIZE);
  2795. if (soc->cdp_soc.ol_ops->peer_unref_delete)
  2796. soc->cdp_soc.ol_ops->peer_unref_delete(
  2797. soc->ctrl_psoc,
  2798. vdev->pdev->pdev_id,
  2799. peer->mac_addr.raw, vdev_mac_addr,
  2800. vdev_opmode);
  2801. }
  2802. QDF_STATUS
  2803. dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id,
  2804. uint8_t *peer_mac, enum cdp_sec_type sec_type,
  2805. bool is_unicast)
  2806. {
  2807. struct dp_peer *peer =
  2808. dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
  2809. peer_mac, 0, vdev_id,
  2810. DP_MOD_ID_CDP);
  2811. int sec_index;
  2812. if (!peer) {
  2813. dp_peer_debug("%pK: Peer is NULL!\n", soc);
  2814. return QDF_STATUS_E_FAILURE;
  2815. }
  2816. if (!peer->txrx_peer) {
  2817. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  2818. dp_peer_debug("%pK: txrx peer is NULL!\n", soc);
  2819. return QDF_STATUS_E_FAILURE;
  2820. }
  2821. dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
  2822. soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2823. is_unicast ? "ucast" : "mcast", sec_type);
  2824. sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
  2825. peer->txrx_peer->security[sec_index].sec_type = sec_type;
  2826. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  2827. return QDF_STATUS_SUCCESS;
  2828. }
  2829. void
  2830. dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id,
  2831. enum cdp_sec_type sec_type, int is_unicast,
  2832. u_int32_t *michael_key,
  2833. u_int32_t *rx_pn)
  2834. {
  2835. struct dp_peer *peer;
  2836. struct dp_txrx_peer *txrx_peer;
  2837. int sec_index;
  2838. peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT);
  2839. if (!peer) {
  2840. dp_peer_err("Couldn't find peer from ID %d - skipping security inits",
  2841. peer_id);
  2842. return;
  2843. }
  2844. txrx_peer = dp_get_txrx_peer(peer);
  2845. if (!txrx_peer) {
  2846. dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits",
  2847. peer_id);
  2848. return;
  2849. }
  2850. dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d",
  2851. soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  2852. is_unicast ? "ucast" : "mcast", sec_type);
  2853. sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast;
  2854. peer->txrx_peer->security[sec_index].sec_type = sec_type;
  2855. #ifdef notyet /* TODO: See if this is required for defrag support */
  2856. /* michael key only valid for TKIP, but for simplicity,
  2857. * copy it anyway
  2858. */
  2859. qdf_mem_copy(
  2860. &peer->txrx_peer->security[sec_index].michael_key[0],
  2861. michael_key,
  2862. sizeof(peer->txrx_peer->security[sec_index].michael_key));
  2863. #ifdef BIG_ENDIAN_HOST
  2864. OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0],
  2865. sizeof(peer->txrx_peer->security[sec_index].michael_key));
  2866. #endif /* BIG_ENDIAN_HOST */
  2867. #endif
  2868. #ifdef notyet /* TODO: Check if this is required for wifi3.0 */
  2869. if (sec_type != cdp_sec_type_wapi) {
  2870. qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS);
  2871. } else {
  2872. for (i = 0; i < DP_MAX_TIDS; i++) {
  2873. /*
  2874. * Setting PN valid bit for WAPI sec_type,
  2875. * since WAPI PN has to be started with predefined value
  2876. */
  2877. peer->tids_last_pn_valid[i] = 1;
  2878. qdf_mem_copy(
  2879. (u_int8_t *) &peer->tids_last_pn[i],
  2880. (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t));
  2881. peer->tids_last_pn[i].pn128[1] =
  2882. qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]);
  2883. peer->tids_last_pn[i].pn128[0] =
  2884. qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]);
  2885. }
  2886. }
  2887. #endif
  2888. /* TODO: Update HW TID queue with PN check parameters (pn type for
  2889. * all security types and last pn for WAPI) once REO command API
  2890. * is available
  2891. */
  2892. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  2893. }
  2894. #ifdef QCA_PEER_EXT_STATS
  2895. QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc,
  2896. struct dp_txrx_peer *txrx_peer)
  2897. {
  2898. uint8_t tid, ctx_id;
  2899. if (!soc || !txrx_peer) {
  2900. dp_warn("Null soc%pK or peer%pK", soc, txrx_peer);
  2901. return QDF_STATUS_E_INVAL;
  2902. }
  2903. if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
  2904. return QDF_STATUS_SUCCESS;
  2905. /*
  2906. * Allocate memory for peer extended stats.
  2907. */
  2908. txrx_peer->delay_stats =
  2909. qdf_mem_malloc(sizeof(struct dp_peer_delay_stats));
  2910. if (!txrx_peer->delay_stats) {
  2911. dp_err("Peer extended stats obj alloc failed!!");
  2912. return QDF_STATUS_E_NOMEM;
  2913. }
  2914. for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) {
  2915. for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) {
  2916. struct cdp_delay_tx_stats *tx_delay =
  2917. &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay;
  2918. struct cdp_delay_rx_stats *rx_delay =
  2919. &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay;
  2920. dp_hist_init(&tx_delay->tx_swq_delay,
  2921. CDP_HIST_TYPE_SW_ENQEUE_DELAY);
  2922. dp_hist_init(&tx_delay->hwtx_delay,
  2923. CDP_HIST_TYPE_HW_COMP_DELAY);
  2924. dp_hist_init(&rx_delay->to_stack_delay,
  2925. CDP_HIST_TYPE_REAP_STACK);
  2926. }
  2927. }
  2928. return QDF_STATUS_SUCCESS;
  2929. }
  2930. void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc,
  2931. struct dp_txrx_peer *txrx_peer)
  2932. {
  2933. if (!txrx_peer) {
  2934. dp_warn("peer_ext dealloc failed due to NULL peer object");
  2935. return;
  2936. }
  2937. if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx))
  2938. return;
  2939. if (!txrx_peer->delay_stats)
  2940. return;
  2941. qdf_mem_free(txrx_peer->delay_stats);
  2942. txrx_peer->delay_stats = NULL;
  2943. }
  2944. void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
  2945. {
  2946. if (txrx_peer->delay_stats)
  2947. qdf_mem_zero(txrx_peer->delay_stats,
  2948. sizeof(struct dp_peer_delay_stats));
  2949. }
  2950. #endif
  2951. #ifdef WLAN_PEER_JITTER
  2952. QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev,
  2953. struct dp_txrx_peer *txrx_peer)
  2954. {
  2955. if (!pdev || !txrx_peer) {
  2956. dp_warn("Null pdev or peer");
  2957. return QDF_STATUS_E_INVAL;
  2958. }
  2959. if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
  2960. return QDF_STATUS_SUCCESS;
  2961. if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) {
  2962. /*
  2963. * Allocate memory on per tid basis when nss is enabled
  2964. */
  2965. txrx_peer->jitter_stats =
  2966. qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
  2967. * DP_MAX_TIDS);
  2968. } else {
  2969. /*
  2970. * Allocate memory on per tid per ring basis
  2971. */
  2972. txrx_peer->jitter_stats =
  2973. qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats)
  2974. * DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
  2975. }
  2976. if (!txrx_peer->jitter_stats) {
  2977. dp_warn("Jitter stats obj alloc failed!!");
  2978. return QDF_STATUS_E_NOMEM;
  2979. }
  2980. return QDF_STATUS_SUCCESS;
  2981. }
  2982. void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev,
  2983. struct dp_txrx_peer *txrx_peer)
  2984. {
  2985. if (!pdev || !txrx_peer) {
  2986. dp_warn("Null pdev or peer");
  2987. return;
  2988. }
  2989. if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx))
  2990. return;
  2991. if (txrx_peer->jitter_stats) {
  2992. qdf_mem_free(txrx_peer->jitter_stats);
  2993. txrx_peer->jitter_stats = NULL;
  2994. }
  2995. }
  2996. void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer)
  2997. {
  2998. struct cdp_peer_tid_stats *jitter_stats = NULL;
  2999. if (!txrx_peer) {
  3000. dp_warn("Null peer");
  3001. return;
  3002. }
  3003. if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer->
  3004. vdev->
  3005. pdev->soc->wlan_cfg_ctx))
  3006. return;
  3007. jitter_stats = txrx_peer->jitter_stats;
  3008. if (!jitter_stats)
  3009. return;
  3010. if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer->
  3011. vdev->pdev->wlan_cfg_ctx))
  3012. qdf_mem_zero(jitter_stats,
  3013. sizeof(struct cdp_peer_tid_stats) *
  3014. DP_MAX_TIDS);
  3015. else
  3016. qdf_mem_zero(jitter_stats,
  3017. sizeof(struct cdp_peer_tid_stats) *
  3018. DP_MAX_TIDS * CDP_MAX_TXRX_CTX);
  3019. }
  3020. #endif
  3021. #ifdef DP_PEER_EXTENDED_API
  3022. /**
  3023. * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer
  3024. * @soc: DP soc handle
  3025. * @txrx_peer: Core txrx_peer handle
  3026. * @set_bw: enum of bandwidth to be set for this peer connection
  3027. *
  3028. * Return: None
  3029. */
  3030. static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer,
  3031. enum cdp_peer_bw set_bw)
  3032. {
  3033. if (!txrx_peer)
  3034. return;
  3035. txrx_peer->bw = set_bw;
  3036. switch (set_bw) {
  3037. case CDP_160_MHZ:
  3038. case CDP_320_MHZ:
  3039. txrx_peer->mpdu_retry_threshold =
  3040. soc->wlan_cfg_ctx->mpdu_retry_threshold_2;
  3041. break;
  3042. case CDP_20_MHZ:
  3043. case CDP_40_MHZ:
  3044. case CDP_80_MHZ:
  3045. default:
  3046. txrx_peer->mpdu_retry_threshold =
  3047. soc->wlan_cfg_ctx->mpdu_retry_threshold_1;
  3048. break;
  3049. }
  3050. dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u",
  3051. txrx_peer->peer_id, txrx_peer->bw,
  3052. txrx_peer->mpdu_retry_threshold);
  3053. }
  3054. #ifdef WLAN_FEATURE_11BE_MLO
  3055. QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3056. struct ol_txrx_desc_type *sta_desc)
  3057. {
  3058. struct dp_peer *peer;
  3059. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3060. peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
  3061. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  3062. if (!peer)
  3063. return QDF_STATUS_E_FAULT;
  3064. qdf_spin_lock_bh(&peer->peer_info_lock);
  3065. peer->state = OL_TXRX_PEER_STATE_CONN;
  3066. qdf_spin_unlock_bh(&peer->peer_info_lock);
  3067. dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
  3068. dp_rx_flush_rx_cached(peer, false);
  3069. if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
  3070. dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT,
  3071. QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw));
  3072. qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock);
  3073. peer->mld_peer->state = peer->state;
  3074. qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock);
  3075. dp_rx_flush_rx_cached(peer->mld_peer, false);
  3076. }
  3077. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3078. return QDF_STATUS_SUCCESS;
  3079. }
  3080. QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  3081. enum ol_txrx_peer_state state)
  3082. {
  3083. struct dp_peer *peer;
  3084. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3085. peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  3086. DP_MOD_ID_CDP);
  3087. if (!peer) {
  3088. dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]",
  3089. soc, QDF_MAC_ADDR_REF(peer_mac));
  3090. return QDF_STATUS_E_FAILURE;
  3091. }
  3092. peer->state = state;
  3093. peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
  3094. if (peer->txrx_peer)
  3095. peer->txrx_peer->authorize = peer->authorize;
  3096. dp_peer_info("peer %pK MAC " QDF_MAC_ADDR_FMT " state %d",
  3097. peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  3098. peer->state);
  3099. if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) {
  3100. peer->mld_peer->state = peer->state;
  3101. peer->mld_peer->txrx_peer->authorize = peer->authorize;
  3102. dp_peer_info("mld peer %pK MAC " QDF_MAC_ADDR_FMT " state %d",
  3103. peer->mld_peer,
  3104. QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw),
  3105. peer->mld_peer->state);
  3106. }
  3107. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3108. * Decrement it here.
  3109. */
  3110. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3111. return QDF_STATUS_SUCCESS;
  3112. }
  3113. #else
  3114. QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3115. struct ol_txrx_desc_type *sta_desc)
  3116. {
  3117. struct dp_peer *peer;
  3118. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3119. peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes,
  3120. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  3121. if (!peer)
  3122. return QDF_STATUS_E_FAULT;
  3123. qdf_spin_lock_bh(&peer->peer_info_lock);
  3124. peer->state = OL_TXRX_PEER_STATE_CONN;
  3125. qdf_spin_unlock_bh(&peer->peer_info_lock);
  3126. dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw);
  3127. dp_rx_flush_rx_cached(peer, false);
  3128. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3129. return QDF_STATUS_SUCCESS;
  3130. }
  3131. QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  3132. enum ol_txrx_peer_state state)
  3133. {
  3134. struct dp_peer *peer;
  3135. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3136. peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  3137. DP_MOD_ID_CDP);
  3138. if (!peer) {
  3139. dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]",
  3140. soc, QDF_MAC_ADDR_REF(peer_mac));
  3141. return QDF_STATUS_E_FAILURE;
  3142. }
  3143. peer->state = state;
  3144. peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0;
  3145. if (peer->txrx_peer)
  3146. peer->txrx_peer->authorize = peer->authorize;
  3147. dp_info("peer %pK state %d", peer, peer->state);
  3148. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3149. * Decrement it here.
  3150. */
  3151. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3152. return QDF_STATUS_SUCCESS;
  3153. }
  3154. #endif
  3155. QDF_STATUS
  3156. dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3157. struct qdf_mac_addr peer_addr)
  3158. {
  3159. struct dp_peer *peer;
  3160. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3161. peer = dp_peer_find_hash_find(soc, peer_addr.bytes,
  3162. 0, DP_VDEV_ALL, DP_MOD_ID_CDP);
  3163. if (!peer)
  3164. return QDF_STATUS_E_FAULT;
  3165. if (!peer->valid) {
  3166. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3167. return QDF_STATUS_E_FAULT;
  3168. }
  3169. dp_clear_peer_internal(soc, peer);
  3170. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3171. return QDF_STATUS_SUCCESS;
  3172. }
  3173. QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
  3174. uint8_t *vdev_id)
  3175. {
  3176. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3177. struct dp_peer *peer =
  3178. dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL,
  3179. DP_MOD_ID_CDP);
  3180. if (!peer)
  3181. return QDF_STATUS_E_FAILURE;
  3182. dp_info("peer %pK vdev %pK vdev id %d",
  3183. peer, peer->vdev, peer->vdev->vdev_id);
  3184. *vdev_id = peer->vdev->vdev_id;
  3185. /* ref_cnt is incremented inside dp_peer_find_hash_find().
  3186. * Decrement it here.
  3187. */
  3188. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3189. return QDF_STATUS_SUCCESS;
  3190. }
  3191. struct cdp_vdev *
  3192. dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle,
  3193. struct qdf_mac_addr peer_addr)
  3194. {
  3195. struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
  3196. struct dp_peer *peer = NULL;
  3197. struct cdp_vdev *vdev = NULL;
  3198. if (!pdev) {
  3199. dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT,
  3200. QDF_MAC_ADDR_REF(peer_addr.bytes));
  3201. return NULL;
  3202. }
  3203. peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0,
  3204. DP_VDEV_ALL, DP_MOD_ID_CDP);
  3205. if (!peer) {
  3206. QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH,
  3207. "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT,
  3208. QDF_MAC_ADDR_REF(peer_addr.bytes));
  3209. return NULL;
  3210. }
  3211. vdev = (struct cdp_vdev *)peer->vdev;
  3212. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3213. return vdev;
  3214. }
  3215. struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle)
  3216. {
  3217. struct dp_peer *peer = peer_handle;
  3218. DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev);
  3219. return (struct cdp_vdev *)peer->vdev;
  3220. }
  3221. uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle)
  3222. {
  3223. struct dp_peer *peer = peer_handle;
  3224. uint8_t *mac;
  3225. mac = peer->mac_addr.raw;
  3226. dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
  3227. peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  3228. return peer->mac_addr.raw;
  3229. }
  3230. int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3231. uint8_t *peer_mac)
  3232. {
  3233. enum ol_txrx_peer_state peer_state;
  3234. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3235. struct cdp_peer_info peer_info = { 0 };
  3236. struct dp_peer *peer;
  3237. struct dp_peer *tgt_peer;
  3238. DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac,
  3239. false, CDP_WILD_PEER_TYPE);
  3240. peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP);
  3241. if (!peer)
  3242. return OL_TXRX_PEER_STATE_INVALID;
  3243. tgt_peer = dp_get_tgt_peer_from_peer(peer);
  3244. peer_state = tgt_peer->state;
  3245. dp_peer_debug("peer %pK tgt_peer: %pK peer MAC "
  3246. QDF_MAC_ADDR_FMT " tgt peer MAC "
  3247. QDF_MAC_ADDR_FMT " tgt peer state %d",
  3248. peer, tgt_peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  3249. QDF_MAC_ADDR_REF(tgt_peer->mac_addr.raw),
  3250. tgt_peer->state);
  3251. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3252. return peer_state;
  3253. }
  3254. void dp_local_peer_id_pool_init(struct dp_pdev *pdev)
  3255. {
  3256. int i;
  3257. /* point the freelist to the first ID */
  3258. pdev->local_peer_ids.freelist = 0;
  3259. /* link each ID to the next one */
  3260. for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) {
  3261. pdev->local_peer_ids.pool[i] = i + 1;
  3262. pdev->local_peer_ids.map[i] = NULL;
  3263. }
  3264. /* link the last ID to itself, to mark the end of the list */
  3265. i = OL_TXRX_NUM_LOCAL_PEER_IDS;
  3266. pdev->local_peer_ids.pool[i] = i;
  3267. qdf_spinlock_create(&pdev->local_peer_ids.lock);
  3268. dp_info("Peer pool init");
  3269. }
  3270. void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer)
  3271. {
  3272. int i;
  3273. qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
  3274. i = pdev->local_peer_ids.freelist;
  3275. if (pdev->local_peer_ids.pool[i] == i) {
  3276. /* the list is empty, except for the list-end marker */
  3277. peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID;
  3278. } else {
  3279. /* take the head ID and advance the freelist */
  3280. peer->local_id = i;
  3281. pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i];
  3282. pdev->local_peer_ids.map[i] = peer;
  3283. }
  3284. qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
  3285. dp_info("peer %pK, local id %d", peer, peer->local_id);
  3286. }
  3287. void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer)
  3288. {
  3289. int i = peer->local_id;
  3290. if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) ||
  3291. (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) {
  3292. return;
  3293. }
  3294. /* put this ID on the head of the freelist */
  3295. qdf_spin_lock_bh(&pdev->local_peer_ids.lock);
  3296. pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist;
  3297. pdev->local_peer_ids.freelist = i;
  3298. pdev->local_peer_ids.map[i] = NULL;
  3299. qdf_spin_unlock_bh(&pdev->local_peer_ids.lock);
  3300. }
  3301. bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl,
  3302. uint8_t vdev_id, uint8_t *peer_addr)
  3303. {
  3304. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3305. struct dp_peer *peer = NULL;
  3306. peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id,
  3307. DP_MOD_ID_CDP);
  3308. if (!peer)
  3309. return false;
  3310. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3311. return true;
  3312. }
  3313. bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl,
  3314. uint8_t vdev_id, uint8_t *peer_addr,
  3315. uint16_t max_bssid)
  3316. {
  3317. int i;
  3318. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3319. struct dp_peer *peer = NULL;
  3320. for (i = 0; i < max_bssid; i++) {
  3321. /* Need to check vdevs other than the vdev_id */
  3322. if (vdev_id == i)
  3323. continue;
  3324. peer = dp_peer_find_hash_find(soc, peer_addr, 0, i,
  3325. DP_MOD_ID_CDP);
  3326. if (peer) {
  3327. dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d",
  3328. QDF_MAC_ADDR_REF(peer_addr), i);
  3329. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3330. return true;
  3331. }
  3332. }
  3333. return false;
  3334. }
  3335. void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3336. uint8_t *peer_mac, bool val)
  3337. {
  3338. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3339. struct dp_peer *peer = NULL;
  3340. peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id,
  3341. DP_MOD_ID_CDP);
  3342. if (!peer) {
  3343. dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT,
  3344. QDF_MAC_ADDR_REF(peer_mac));
  3345. return;
  3346. }
  3347. dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT,
  3348. val, QDF_MAC_ADDR_REF(peer_mac));
  3349. peer->is_tdls_peer = val;
  3350. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3351. }
  3352. #endif
  3353. bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
  3354. uint8_t *peer_addr)
  3355. {
  3356. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3357. struct dp_peer *peer = NULL;
  3358. peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL,
  3359. DP_MOD_ID_CDP);
  3360. if (peer) {
  3361. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3362. return true;
  3363. }
  3364. return false;
  3365. }
  3366. QDF_STATUS
  3367. dp_set_michael_key(struct cdp_soc_t *soc,
  3368. uint8_t vdev_id,
  3369. uint8_t *peer_mac,
  3370. bool is_unicast, uint32_t *key)
  3371. {
  3372. uint8_t sec_index = is_unicast ? 1 : 0;
  3373. struct dp_peer *peer =
  3374. dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
  3375. peer_mac, 0, vdev_id,
  3376. DP_MOD_ID_CDP);
  3377. if (!peer) {
  3378. dp_peer_err("%pK: peer not found ", soc);
  3379. return QDF_STATUS_E_FAILURE;
  3380. }
  3381. qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0],
  3382. key, IEEE80211_WEP_MICLEN);
  3383. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3384. return QDF_STATUS_SUCCESS;
  3385. }
  3386. struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc,
  3387. struct dp_vdev *vdev,
  3388. enum dp_mod_id mod_id)
  3389. {
  3390. struct dp_peer *peer = NULL;
  3391. qdf_spin_lock_bh(&vdev->peer_list_lock);
  3392. TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
  3393. if (peer->bss_peer)
  3394. break;
  3395. }
  3396. if (!peer) {
  3397. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3398. return NULL;
  3399. }
  3400. if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
  3401. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3402. return peer;
  3403. }
  3404. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3405. return peer;
  3406. }
  3407. struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc,
  3408. struct dp_vdev *vdev,
  3409. enum dp_mod_id mod_id)
  3410. {
  3411. struct dp_peer *peer;
  3412. if (vdev->opmode != wlan_op_mode_sta)
  3413. return NULL;
  3414. qdf_spin_lock_bh(&vdev->peer_list_lock);
  3415. TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
  3416. if (peer->sta_self_peer)
  3417. break;
  3418. }
  3419. if (!peer) {
  3420. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3421. return NULL;
  3422. }
  3423. if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) {
  3424. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3425. return peer;
  3426. }
  3427. qdf_spin_unlock_bh(&vdev->peer_list_lock);
  3428. return peer;
  3429. }
  3430. void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
  3431. uint8_t *peer_mac)
  3432. {
  3433. struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
  3434. struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
  3435. vdev_id,
  3436. DP_MOD_ID_CDP);
  3437. struct dp_txrx_peer *txrx_peer;
  3438. uint8_t tid;
  3439. struct dp_rx_tid_defrag *defrag_rx_tid;
  3440. if (!peer)
  3441. return;
  3442. if (!peer->txrx_peer)
  3443. goto fail;
  3444. dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT,
  3445. QDF_MAC_ADDR_REF(peer->mac_addr.raw));
  3446. txrx_peer = peer->txrx_peer;
  3447. for (tid = 0; tid < DP_MAX_TIDS; tid++) {
  3448. defrag_rx_tid = &txrx_peer->rx_tid[tid];
  3449. qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock);
  3450. dp_rx_defrag_waitlist_remove(txrx_peer, tid);
  3451. dp_rx_reorder_flush_frag(txrx_peer, tid);
  3452. qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock);
  3453. }
  3454. fail:
  3455. dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
  3456. }
  3457. bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id)
  3458. {
  3459. struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id,
  3460. DP_MOD_ID_HTT);
  3461. if (peer) {
  3462. /*
  3463. * Decrement the peer ref which is taken as part of
  3464. * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled
  3465. */
  3466. dp_peer_unref_delete(peer, DP_MOD_ID_HTT);
  3467. return true;
  3468. }
  3469. return false;
  3470. }
  3471. qdf_export_symbol(dp_peer_find_by_id_valid);
  3472. #ifdef QCA_MULTIPASS_SUPPORT
  3473. void dp_peer_multipass_list_remove(struct dp_peer *peer)
  3474. {
  3475. struct dp_vdev *vdev = peer->vdev;
  3476. struct dp_txrx_peer *tpeer = NULL;
  3477. bool found = 0;
  3478. qdf_spin_lock_bh(&vdev->mpass_peer_mutex);
  3479. TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) {
  3480. if (tpeer == peer->txrx_peer) {
  3481. found = 1;
  3482. TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer,
  3483. mpass_peer_list_elem);
  3484. break;
  3485. }
  3486. }
  3487. qdf_spin_unlock_bh(&vdev->mpass_peer_mutex);
  3488. if (found)
  3489. dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
  3490. }
  3491. /**
  3492. * dp_peer_multipass_list_add() - add to new multipass list
  3493. * @soc: soc handle
  3494. * @peer_mac: mac address
  3495. * @vdev_id: vdev id for peer
  3496. * @vlan_id: vlan_id
  3497. *
  3498. * return: void
  3499. */
  3500. static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac,
  3501. uint8_t vdev_id, uint16_t vlan_id)
  3502. {
  3503. struct dp_peer *peer =
  3504. dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0,
  3505. vdev_id,
  3506. DP_MOD_ID_TX_MULTIPASS);
  3507. if (qdf_unlikely(!peer)) {
  3508. qdf_err("NULL peer");
  3509. return;
  3510. }
  3511. if (qdf_unlikely(!peer->txrx_peer))
  3512. goto fail;
  3513. /* If peer already exists in vdev multipass list, do not add it.
  3514. * This may happen if key install comes twice or re-key
  3515. * happens for a peer.
  3516. */
  3517. if (peer->txrx_peer->vlan_id) {
  3518. dp_debug("peer already added to vdev multipass list"
  3519. "MAC: "QDF_MAC_ADDR_FMT" vlan: %d ",
  3520. QDF_MAC_ADDR_REF(peer->mac_addr.raw),
  3521. peer->txrx_peer->vlan_id);
  3522. goto fail;
  3523. }
  3524. /*
  3525. * Ref_cnt is incremented inside dp_peer_find_hash_find().
  3526. * Decrement it when element is deleted from the list.
  3527. */
  3528. peer->txrx_peer->vlan_id = vlan_id;
  3529. qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
  3530. TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list,
  3531. peer->txrx_peer,
  3532. mpass_peer_list_elem);
  3533. qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex);
  3534. return;
  3535. fail:
  3536. dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS);
  3537. }
  3538. void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc,
  3539. uint8_t vdev_id, uint8_t *peer_mac,
  3540. uint16_t vlan_id)
  3541. {
  3542. struct dp_soc *soc = (struct dp_soc *)cdp_soc;
  3543. struct dp_vdev *vdev =
  3544. dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id,
  3545. DP_MOD_ID_TX_MULTIPASS);
  3546. dp_info("vdev_id %d, vdev %pK, multipass_en %d, peer_mac " QDF_MAC_ADDR_FMT " vlan %d",
  3547. vdev_id, vdev, vdev ? vdev->multipass_en : 0,
  3548. QDF_MAC_ADDR_REF(peer_mac), vlan_id);
  3549. if (vdev && vdev->multipass_en) {
  3550. dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id);
  3551. dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS);
  3552. }
  3553. }
  3554. #endif /* QCA_MULTIPASS_SUPPORT */