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