/* * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "dp_htt.h" #include "dp_types.h" #include "dp_internal.h" #include "dp_peer.h" #include "dp_rx_defrag.h" #include "dp_rx.h" #include #include #include #include #ifdef WIFI_MONITOR_SUPPORT #include #endif #ifdef FEATURE_WDS #include "dp_txrx_wds.h" #endif #include #ifdef QCA_PEER_EXT_STATS #include "dp_hist.h" #endif #ifdef BYPASS_OL_OPS #include #endif #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT) #include "reg_services_common.h" #endif #ifdef FEATURE_AST #ifdef BYPASS_OL_OPS /** * dp_add_wds_entry_wrapper() - Add new AST entry for the wds station * @soc: DP soc structure pointer * @peer: dp peer structure * @dest_macaddr: MAC address of ast node * @flags: wds or hmwds * @type: type from enum cdp_txrx_ast_entry_type * * This API is used by WDS source port learning function to * add a new AST entry in the fw. * * Return: 0 on success, error code otherwise. */ static int dp_add_wds_entry_wrapper(struct dp_soc *soc, struct dp_peer *peer, const uint8_t *dest_macaddr, uint32_t flags, uint8_t type) { QDF_STATUS status; status = target_if_add_wds_entry(soc->ctrl_psoc, peer->vdev->vdev_id, peer->mac_addr.raw, dest_macaddr, WMI_HOST_WDS_FLAG_STATIC, type); return qdf_status_to_os_return(status); } /** * dp_update_wds_entry_wrapper() - update an existing wds entry with new peer * @soc: DP soc structure pointer * @peer: dp peer structure * @dest_macaddr: MAC address of ast node * @flags: wds or hmwds * * This API is used by update the peer mac address for the ast * in the fw. * * Return: 0 on success, error code otherwise. */ static int dp_update_wds_entry_wrapper(struct dp_soc *soc, struct dp_peer *peer, uint8_t *dest_macaddr, uint32_t flags) { QDF_STATUS status; status = target_if_update_wds_entry(soc->ctrl_psoc, peer->vdev->vdev_id, dest_macaddr, peer->mac_addr.raw, WMI_HOST_WDS_FLAG_STATIC); return qdf_status_to_os_return(status); } /** * dp_del_wds_entry_wrapper() - delete a WSD AST entry * @soc: DP soc structure pointer * @vdev_id: vdev_id * @wds_macaddr: MAC address of ast node * @type: type from enum cdp_txrx_ast_entry_type * @delete_in_fw: Flag to indicate if entry needs to be deleted in fw * * This API is used to delete an AST entry from fw * * Return: None */ void dp_del_wds_entry_wrapper(struct dp_soc *soc, uint8_t vdev_id, uint8_t *wds_macaddr, uint8_t type, uint8_t delete_in_fw) { target_if_del_wds_entry(soc->ctrl_psoc, vdev_id, wds_macaddr, type, delete_in_fw); } #else static int dp_add_wds_entry_wrapper(struct dp_soc *soc, struct dp_peer *peer, const uint8_t *dest_macaddr, uint32_t flags, uint8_t type) { int status; status = soc->cdp_soc.ol_ops->peer_add_wds_entry( soc->ctrl_psoc, peer->vdev->vdev_id, peer->mac_addr.raw, peer->peer_id, dest_macaddr, peer->mac_addr.raw, flags, type); return status; } static int dp_update_wds_entry_wrapper(struct dp_soc *soc, struct dp_peer *peer, uint8_t *dest_macaddr, uint32_t flags) { int status; status = soc->cdp_soc.ol_ops->peer_update_wds_entry( soc->ctrl_psoc, peer->vdev->vdev_id, dest_macaddr, peer->mac_addr.raw, flags); return status; } void dp_del_wds_entry_wrapper(struct dp_soc *soc, uint8_t vdev_id, uint8_t *wds_macaddr, uint8_t type, uint8_t delete_in_fw) { soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc, vdev_id, wds_macaddr, type, delete_in_fw); } #endif /* BYPASS_OL_OPS */ #else void dp_del_wds_entry_wrapper(struct dp_soc *soc, uint8_t vdev_id, uint8_t *wds_macaddr, uint8_t type, uint8_t delete_in_fw) { } #endif /* FEATURE_AST */ #ifdef FEATURE_WDS static inline bool dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { /* if peer map v2 is enabled we are not freeing ast entry * here and it is supposed to be freed in unmap event (after * we receive delete confirmation from target) * * if peer_id is invalid we did not get the peer map event * for the peer free ast entry from here only in this case */ if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) && (ast_entry->type != CDP_TXRX_AST_TYPE_SELF)) return true; return false; } #else static inline bool dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { return false; } void dp_soc_wds_attach(struct dp_soc *soc) { } void dp_soc_wds_detach(struct dp_soc *soc) { } #endif #ifdef QCA_SUPPORT_WDS_EXTENDED bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) { struct dp_vdev *vdev = peer->vdev; struct dp_txrx_peer *txrx_peer; if (!vdev->wds_ext_enabled) return false; txrx_peer = dp_get_txrx_peer(peer); if (!txrx_peer) return false; if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT, &txrx_peer->wds_ext.init)) return true; return false; } #else bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) { return false; } #endif QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc) { uint32_t max_ast_index; max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); /* allocate ast_table for ast entry to ast_index map */ dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index); soc->ast_table = qdf_mem_malloc(max_ast_index * sizeof(struct dp_ast_entry *)); if (!soc->ast_table) { dp_peer_err("%pK: ast_table memory allocation failed", soc); return QDF_STATUS_E_NOMEM; } return QDF_STATUS_SUCCESS; /* success */ } /** * dp_find_peer_by_macaddr() - Finding the peer from mac address provided. * @soc: soc handle * @mac_addr: MAC address to be used to find peer * @vdev_id: VDEV id * @mod_id: MODULE ID * * Return: struct dp_peer */ struct dp_peer *dp_find_peer_by_macaddr(struct dp_soc *soc, uint8_t *mac_addr, uint8_t vdev_id, enum dp_mod_id mod_id) { bool ast_ind_disable = wlan_cfg_get_ast_indication_disable( soc->wlan_cfg_ctx); struct cdp_peer_info peer_info = {0}; if ((!soc->ast_offload_support) || (!ast_ind_disable)) { struct dp_ast_entry *ast_entry = NULL; uint16_t peer_id; qdf_spin_lock_bh(&soc->ast_lock); if (vdev_id == DP_VDEV_ALL) ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); else ast_entry = dp_peer_ast_hash_find_by_vdevid (soc, mac_addr, vdev_id); if (!ast_entry) { qdf_spin_unlock_bh(&soc->ast_lock); dp_err("NULL ast entry"); return NULL; } peer_id = ast_entry->peer_id; qdf_spin_unlock_bh(&soc->ast_lock); if (peer_id == HTT_INVALID_PEER) return NULL; return dp_peer_get_ref_by_id(soc, peer_id, mod_id); } DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, mac_addr, false, CDP_WILD_PEER_TYPE); return dp_peer_hash_find_wrapper(soc, &peer_info, mod_id); } /** * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map * @soc: soc handle * * return: QDF_STATUS */ static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc) { uint32_t max_peers, peer_map_size; max_peers = soc->max_peer_id; /* allocate the peer ID -> peer object map */ dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers); peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]); soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size); if (!soc->peer_id_to_obj_map) { dp_peer_err("%pK: peer map memory allocation failed", soc); return QDF_STATUS_E_NOMEM; } /* * The peer_id_to_obj_map doesn't really need to be initialized, * since elements are only used after they have been individually * initialized. * However, it is convenient for debugging to have all elements * that are not in use set to 0. */ qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size); qdf_spinlock_create(&soc->peer_map_lock); return QDF_STATUS_SUCCESS; /* success */ } #define DP_AST_HASH_LOAD_MULT 2 #define DP_AST_HASH_LOAD_SHIFT 0 static inline uint32_t dp_peer_find_hash_index(struct dp_soc *soc, union dp_align_mac_addr *mac_addr) { uint32_t index; index = mac_addr->align2.bytes_ab ^ mac_addr->align2.bytes_cd ^ mac_addr->align2.bytes_ef; index ^= index >> soc->peer_hash.idx_bits; index &= soc->peer_hash.mask; return index; } struct dp_peer *dp_peer_find_hash_find( struct dp_soc *soc, uint8_t *peer_mac_addr, int mac_addr_is_aligned, uint8_t vdev_id, enum dp_mod_id mod_id) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; uint32_t index; struct dp_peer *peer; if (!soc->peer_hash.bins) return NULL; if (mac_addr_is_aligned) { mac_addr = (union dp_align_mac_addr *)peer_mac_addr; } else { qdf_mem_copy( &local_mac_addr_aligned.raw[0], peer_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; } index = dp_peer_find_hash_index(soc, mac_addr); qdf_spin_lock_bh(&soc->peer_hash_lock); TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && ((peer->vdev->vdev_id == vdev_id) || (vdev_id == DP_VDEV_ALL))) { /* take peer reference before returning */ if (dp_peer_get_ref(soc, peer, mod_id) != QDF_STATUS_SUCCESS) peer = NULL; qdf_spin_unlock_bh(&soc->peer_hash_lock); return peer; } } qdf_spin_unlock_bh(&soc->peer_hash_lock); return NULL; /* failure */ } qdf_export_symbol(dp_peer_find_hash_find); #ifdef WLAN_FEATURE_11BE_MLO /** * dp_peer_find_hash_detach() - cleanup memory for peer_hash table * @soc: soc handle * * return: none */ static void dp_peer_find_hash_detach(struct dp_soc *soc) { if (soc->peer_hash.bins) { qdf_mem_free(soc->peer_hash.bins); soc->peer_hash.bins = NULL; qdf_spinlock_destroy(&soc->peer_hash_lock); } if (soc->arch_ops.mlo_peer_find_hash_detach) soc->arch_ops.mlo_peer_find_hash_detach(soc); } /** * dp_peer_find_hash_attach() - allocate memory for peer_hash table * @soc: soc handle * * return: QDF_STATUS */ static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) { int i, hash_elems, log2; /* allocate the peer MAC address -> peer object hash table */ hash_elems = soc->max_peers; hash_elems *= DP_PEER_HASH_LOAD_MULT; hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; log2 = dp_log2_ceil(hash_elems); hash_elems = 1 << log2; soc->peer_hash.mask = hash_elems - 1; soc->peer_hash.idx_bits = log2; /* allocate an array of TAILQ peer object lists */ soc->peer_hash.bins = qdf_mem_malloc( hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); if (!soc->peer_hash.bins) return QDF_STATUS_E_NOMEM; for (i = 0; i < hash_elems; i++) TAILQ_INIT(&soc->peer_hash.bins[i]); qdf_spinlock_create(&soc->peer_hash_lock); if (soc->arch_ops.mlo_peer_find_hash_attach && (soc->arch_ops.mlo_peer_find_hash_attach(soc) != QDF_STATUS_SUCCESS)) { dp_peer_find_hash_detach(soc); return QDF_STATUS_E_NOMEM; } return QDF_STATUS_SUCCESS; } void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) { unsigned index; index = dp_peer_find_hash_index(soc, &peer->mac_addr); if (peer->peer_type == CDP_LINK_PEER_TYPE) { qdf_spin_lock_bh(&soc->peer_hash_lock); if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); qdf_spin_unlock_bh(&soc->peer_hash_lock); return; } /* * It is important to add the new peer at the tail of * peer list with the bin index. Together with having * the hash_find function search from head to tail, * this ensures that if two entries with the same MAC address * are stored, the one added first will be found first. */ TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem); qdf_spin_unlock_bh(&soc->peer_hash_lock); } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { if (soc->arch_ops.mlo_peer_find_hash_add) soc->arch_ops.mlo_peer_find_hash_add(soc, peer); } else { dp_err("unknown peer type %d", peer->peer_type); } } void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) { unsigned index; struct dp_peer *tmppeer = NULL; int found = 0; index = dp_peer_find_hash_index(soc, &peer->mac_addr); if (peer->peer_type == CDP_LINK_PEER_TYPE) { /* Check if tail is not empty before delete*/ QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); qdf_spin_lock_bh(&soc->peer_hash_lock); TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) { if (tmppeer == peer) { found = 1; break; } } QDF_ASSERT(found); TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); qdf_spin_unlock_bh(&soc->peer_hash_lock); } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { if (soc->arch_ops.mlo_peer_find_hash_remove) soc->arch_ops.mlo_peer_find_hash_remove(soc, peer); } else { dp_err("unknown peer type %d", peer->peer_type); } } uint8_t dp_get_peer_link_id(struct dp_peer *peer) { uint8_t link_id; link_id = IS_MLO_DP_LINK_PEER(peer) ? peer->link_id + 1 : 0; if (link_id < 1 || link_id > DP_MAX_MLO_LINKS) link_id = 0; return link_id; } #else static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) { int i, hash_elems, log2; /* allocate the peer MAC address -> peer object hash table */ hash_elems = soc->max_peers; hash_elems *= DP_PEER_HASH_LOAD_MULT; hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; log2 = dp_log2_ceil(hash_elems); hash_elems = 1 << log2; soc->peer_hash.mask = hash_elems - 1; soc->peer_hash.idx_bits = log2; /* allocate an array of TAILQ peer object lists */ soc->peer_hash.bins = qdf_mem_malloc( hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); if (!soc->peer_hash.bins) return QDF_STATUS_E_NOMEM; for (i = 0; i < hash_elems; i++) TAILQ_INIT(&soc->peer_hash.bins[i]); qdf_spinlock_create(&soc->peer_hash_lock); return QDF_STATUS_SUCCESS; } static void dp_peer_find_hash_detach(struct dp_soc *soc) { if (soc->peer_hash.bins) { qdf_mem_free(soc->peer_hash.bins); soc->peer_hash.bins = NULL; qdf_spinlock_destroy(&soc->peer_hash_lock); } } void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) { unsigned index; index = dp_peer_find_hash_index(soc, &peer->mac_addr); qdf_spin_lock_bh(&soc->peer_hash_lock); if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); qdf_spin_unlock_bh(&soc->peer_hash_lock); return; } /* * It is important to add the new peer at the tail of the peer list * with the bin index. Together with having the hash_find function * search from head to tail, this ensures that if two entries with * the same MAC address are stored, the one added first will be * found first. */ TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem); qdf_spin_unlock_bh(&soc->peer_hash_lock); } void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) { unsigned index; struct dp_peer *tmppeer = NULL; int found = 0; index = dp_peer_find_hash_index(soc, &peer->mac_addr); /* Check if tail is not empty before delete*/ QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); qdf_spin_lock_bh(&soc->peer_hash_lock); TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) { if (tmppeer == peer) { found = 1; break; } } QDF_ASSERT(found); TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); qdf_spin_unlock_bh(&soc->peer_hash_lock); } #endif/* WLAN_FEATURE_11BE_MLO */ void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev, struct dp_peer *peer) { /* only link peer will be added to vdev peer list */ if (IS_MLO_DP_MLD_PEER(peer)) return; qdf_spin_lock_bh(&vdev->peer_list_lock); if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); qdf_spin_unlock_bh(&vdev->peer_list_lock); return; } /* add this peer into the vdev's list */ if (wlan_op_mode_sta == vdev->opmode) TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem); else TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem); vdev->num_peers++; qdf_spin_unlock_bh(&vdev->peer_list_lock); } void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev, struct dp_peer *peer) { uint8_t found = 0; struct dp_peer *tmppeer = NULL; /* only link peer will be added to vdev peer list */ if (IS_MLO_DP_MLD_PEER(peer)) return; qdf_spin_lock_bh(&vdev->peer_list_lock); TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) { if (tmppeer == peer) { found = 1; break; } } if (found) { TAILQ_REMOVE(&peer->vdev->peer_list, peer, peer_list_elem); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); vdev->num_peers--; } else { /*Ignoring the remove operation as peer not found*/ dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK" , soc, peer, vdev, &peer->vdev->peer_list); } qdf_spin_unlock_bh(&vdev->peer_list_lock); } void dp_txrx_peer_attach_add(struct dp_soc *soc, struct dp_peer *peer, struct dp_txrx_peer *txrx_peer) { qdf_spin_lock_bh(&soc->peer_map_lock); peer->txrx_peer = txrx_peer; txrx_peer->bss_peer = peer->bss_peer; if (peer->peer_id == HTT_INVALID_PEER) { qdf_spin_unlock_bh(&soc->peer_map_lock); return; } txrx_peer->peer_id = peer->peer_id; QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]); qdf_spin_unlock_bh(&soc->peer_map_lock); } void dp_peer_find_id_to_obj_add(struct dp_soc *soc, struct dp_peer *peer, uint16_t peer_id) { QDF_ASSERT(peer_id <= soc->max_peer_id); qdf_spin_lock_bh(&soc->peer_map_lock); peer->peer_id = peer_id; if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u", QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id); qdf_spin_unlock_bh(&soc->peer_map_lock); return; } if (!soc->peer_id_to_obj_map[peer_id]) { soc->peer_id_to_obj_map[peer_id] = peer; if (peer->txrx_peer) peer->txrx_peer->peer_id = peer_id; } else { /* Peer map event came for peer_id which * is already mapped, this is not expected */ dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped " "to peer %pK, Stats: peer(map %u unmap %u " "invalid unmap %u) mld per(map %u unmap %u)", peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id, soc->peer_id_to_obj_map[peer_id], soc->stats.t2h_msg_stats.peer_map, (soc->stats.t2h_msg_stats.peer_unmap - soc->stats.t2h_msg_stats.ml_peer_unmap), soc->stats.t2h_msg_stats.invalid_peer_unmap, soc->stats.t2h_msg_stats.ml_peer_map, soc->stats.t2h_msg_stats.ml_peer_unmap); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); qdf_assert_always(0); } qdf_spin_unlock_bh(&soc->peer_map_lock); } void dp_peer_find_id_to_obj_remove(struct dp_soc *soc, uint16_t peer_id) { struct dp_peer *peer = NULL; QDF_ASSERT(peer_id <= soc->max_peer_id); qdf_spin_lock_bh(&soc->peer_map_lock); peer = soc->peer_id_to_obj_map[peer_id]; if (!peer) { dp_err("unable to get peer during peer id obj map remove"); qdf_spin_unlock_bh(&soc->peer_map_lock); return; } peer->peer_id = HTT_INVALID_PEER; if (peer->txrx_peer) peer->txrx_peer->peer_id = HTT_INVALID_PEER; soc->peer_id_to_obj_map[peer_id] = NULL; dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); qdf_spin_unlock_bh(&soc->peer_map_lock); } #ifdef FEATURE_MEC QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) { int log2, hash_elems, i; log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX); hash_elems = 1 << log2; soc->mec_hash.mask = hash_elems - 1; soc->mec_hash.idx_bits = log2; dp_peer_info("%pK: max mec index: %d", soc, DP_PEER_MAX_MEC_IDX); /* allocate an array of TAILQ mec object lists */ soc->mec_hash.bins = qdf_mem_malloc(hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_mec_entry))); if (!soc->mec_hash.bins) return QDF_STATUS_E_NOMEM; for (i = 0; i < hash_elems; i++) TAILQ_INIT(&soc->mec_hash.bins[i]); return QDF_STATUS_SUCCESS; } /** * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address * @soc: SoC handle * @mac_addr: MAC address * * Return: MEC hash */ static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc, union dp_align_mac_addr *mac_addr) { uint32_t index; index = mac_addr->align2.bytes_ab ^ mac_addr->align2.bytes_cd ^ mac_addr->align2.bytes_ef; index ^= index >> soc->mec_hash.idx_bits; index &= soc->mec_hash.mask; return index; } struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc, uint8_t pdev_id, uint8_t *mec_mac_addr) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; uint32_t index; struct dp_mec_entry *mecentry; qdf_mem_copy(&local_mac_addr_aligned.raw[0], mec_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; index = dp_peer_mec_hash_index(soc, mac_addr); TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) { if ((pdev_id == mecentry->pdev_id) && !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr)) return mecentry; } return NULL; } /** * dp_peer_mec_hash_add() - Add MEC entry into hash table * @soc: SoC handle * @mecentry: MEC entry * * This function adds the MEC entry into SoC MEC hash table * * Return: None */ static inline void dp_peer_mec_hash_add(struct dp_soc *soc, struct dp_mec_entry *mecentry) { uint32_t index; index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); qdf_spin_lock_bh(&soc->mec_lock); TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem); qdf_spin_unlock_bh(&soc->mec_lock); } QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc, struct dp_vdev *vdev, uint8_t *mac_addr) { struct dp_mec_entry *mecentry = NULL; struct dp_pdev *pdev = NULL; if (!vdev) { dp_peer_err("%pK: Peers vdev is NULL", soc); return QDF_STATUS_E_INVAL; } pdev = vdev->pdev; if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >= DP_PEER_MAX_MEC_ENTRY)) { dp_peer_warn("%pK: max MEC entry limit reached mac_addr: " QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr)); return QDF_STATUS_E_NOMEM; } qdf_spin_lock_bh(&soc->mec_lock); mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id, mac_addr); if (qdf_likely(mecentry)) { mecentry->is_active = TRUE; qdf_spin_unlock_bh(&soc->mec_lock); return QDF_STATUS_E_ALREADY; } qdf_spin_unlock_bh(&soc->mec_lock); dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: " QDF_MAC_ADDR_FMT, soc, pdev->pdev_id, vdev->vdev_id, QDF_MAC_ADDR_REF(mac_addr)); mecentry = (struct dp_mec_entry *) qdf_mem_malloc(sizeof(struct dp_mec_entry)); if (qdf_unlikely(!mecentry)) { dp_peer_err("%pK: fail to allocate mecentry", soc); return QDF_STATUS_E_NOMEM; } qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0], (struct qdf_mac_addr *)mac_addr); mecentry->pdev_id = pdev->pdev_id; mecentry->vdev_id = vdev->vdev_id; mecentry->is_active = TRUE; dp_peer_mec_hash_add(soc, mecentry); qdf_atomic_inc(&soc->mec_cnt); DP_STATS_INC(soc, mec.added, 1); return QDF_STATUS_SUCCESS; } void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry, void *ptr) { uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry, hash_list_elem); TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem); } void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr) { struct dp_mec_entry *mecentry, *mecentry_next; TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem, mecentry_next) { dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr)); qdf_mem_free(mecentry); qdf_atomic_dec(&soc->mec_cnt); DP_STATS_INC(soc, mec.deleted, 1); } } void dp_peer_mec_hash_detach(struct dp_soc *soc) { dp_peer_mec_flush_entries(soc); qdf_mem_free(soc->mec_hash.bins); soc->mec_hash.bins = NULL; } void dp_peer_mec_spinlock_destroy(struct dp_soc *soc) { qdf_spinlock_destroy(&soc->mec_lock); } void dp_peer_mec_spinlock_create(struct dp_soc *soc) { qdf_spinlock_create(&soc->mec_lock); } #else QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) { return QDF_STATUS_SUCCESS; } void dp_peer_mec_hash_detach(struct dp_soc *soc) { } #endif #ifdef FEATURE_AST #ifdef WLAN_FEATURE_11BE_MLO /** * dp_peer_exist_on_pdev() - check if peer with mac address exist on pdev * * @soc: Datapath SOC handle * @peer_mac_addr: peer mac address * @mac_addr_is_aligned: is mac address aligned * @pdev: Datapath PDEV handle * * Return: true if peer found else return false */ static bool dp_peer_exist_on_pdev(struct dp_soc *soc, uint8_t *peer_mac_addr, int mac_addr_is_aligned, struct dp_pdev *pdev) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; unsigned int index; struct dp_peer *peer; bool found = false; if (mac_addr_is_aligned) { mac_addr = (union dp_align_mac_addr *)peer_mac_addr; } else { qdf_mem_copy( &local_mac_addr_aligned.raw[0], peer_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; } index = dp_peer_find_hash_index(soc, mac_addr); qdf_spin_lock_bh(&soc->peer_hash_lock); TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && (peer->vdev->pdev == pdev)) { found = true; break; } } qdf_spin_unlock_bh(&soc->peer_hash_lock); if (found) return found; peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr, mac_addr_is_aligned, DP_VDEV_ALL, DP_MOD_ID_CDP); if (peer) { if (peer->vdev->pdev == pdev) found = true; dp_peer_unref_delete(peer, DP_MOD_ID_CDP); } return found; } #else static bool dp_peer_exist_on_pdev(struct dp_soc *soc, uint8_t *peer_mac_addr, int mac_addr_is_aligned, struct dp_pdev *pdev) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; unsigned int index; struct dp_peer *peer; bool found = false; if (mac_addr_is_aligned) { mac_addr = (union dp_align_mac_addr *)peer_mac_addr; } else { qdf_mem_copy( &local_mac_addr_aligned.raw[0], peer_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; } index = dp_peer_find_hash_index(soc, mac_addr); qdf_spin_lock_bh(&soc->peer_hash_lock); TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && (peer->vdev->pdev == pdev)) { found = true; break; } } qdf_spin_unlock_bh(&soc->peer_hash_lock); return found; } #endif /* WLAN_FEATURE_11BE_MLO */ QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) { int i, hash_elems, log2; unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >> DP_AST_HASH_LOAD_SHIFT); log2 = dp_log2_ceil(hash_elems); hash_elems = 1 << log2; soc->ast_hash.mask = hash_elems - 1; soc->ast_hash.idx_bits = log2; dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d", soc, hash_elems, max_ast_idx); /* allocate an array of TAILQ peer object lists */ soc->ast_hash.bins = qdf_mem_malloc( hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_ast_entry))); if (!soc->ast_hash.bins) return QDF_STATUS_E_NOMEM; for (i = 0; i < hash_elems; i++) TAILQ_INIT(&soc->ast_hash.bins[i]); return QDF_STATUS_SUCCESS; } /** * dp_peer_ast_cleanup() - cleanup the references * @soc: SoC handle * @ast: ast entry * * Return: None */ static inline void dp_peer_ast_cleanup(struct dp_soc *soc, struct dp_ast_entry *ast) { txrx_ast_free_cb cb = ast->callback; void *cookie = ast->cookie; dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK", QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie); /* Call the callbacks to free up the cookie */ if (cb) { ast->callback = NULL; ast->cookie = NULL; cb(soc->ctrl_psoc, dp_soc_to_cdp_soc(soc), cookie, CDP_TXRX_AST_DELETE_IN_PROGRESS); } } void dp_peer_ast_hash_detach(struct dp_soc *soc) { unsigned int index; struct dp_ast_entry *ast, *ast_next; if (!soc->ast_hash.mask) return; if (!soc->ast_hash.bins) return; dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries); qdf_spin_lock_bh(&soc->ast_lock); for (index = 0; index <= soc->ast_hash.mask; index++) { if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) { TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index], hash_list_elem, ast_next) { TAILQ_REMOVE(&soc->ast_hash.bins[index], ast, hash_list_elem); dp_peer_ast_cleanup(soc, ast); soc->num_ast_entries--; qdf_mem_free(ast); } } } qdf_spin_unlock_bh(&soc->ast_lock); qdf_mem_free(soc->ast_hash.bins); soc->ast_hash.bins = NULL; } /** * dp_peer_ast_hash_index() - Compute the AST hash from MAC address * @soc: SoC handle * @mac_addr: MAC address * * Return: AST hash */ static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc, union dp_align_mac_addr *mac_addr) { uint32_t index; index = mac_addr->align2.bytes_ab ^ mac_addr->align2.bytes_cd ^ mac_addr->align2.bytes_ef; index ^= index >> soc->ast_hash.idx_bits; index &= soc->ast_hash.mask; return index; } /** * dp_peer_ast_hash_add() - Add AST entry into hash table * @soc: SoC handle * @ase: AST entry * * This function adds the AST entry into SoC AST hash table * It assumes caller has taken the ast lock to protect the access to this table * * Return: None */ static inline void dp_peer_ast_hash_add(struct dp_soc *soc, struct dp_ast_entry *ase) { uint32_t index; index = dp_peer_ast_hash_index(soc, &ase->mac_addr); TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem); } void dp_peer_ast_hash_remove(struct dp_soc *soc, struct dp_ast_entry *ase) { unsigned index; struct dp_ast_entry *tmpase; int found = 0; if (soc->ast_offload_support && !soc->host_ast_db_enable) return; index = dp_peer_ast_hash_index(soc, &ase->mac_addr); /* Check if tail is not empty before delete*/ QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index])); dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT, ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw)); TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) { if (tmpase == ase) { found = 1; break; } } QDF_ASSERT(found); if (found) TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem); } struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, uint8_t *ast_mac_addr, uint8_t vdev_id) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; uint32_t index; struct dp_ast_entry *ase; qdf_mem_copy(&local_mac_addr_aligned.raw[0], ast_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; index = dp_peer_ast_hash_index(soc, mac_addr); TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { if ((vdev_id == ase->vdev_id) && !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { return ase; } } return NULL; } struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, uint8_t *ast_mac_addr, uint8_t pdev_id) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; uint32_t index; struct dp_ast_entry *ase; qdf_mem_copy(&local_mac_addr_aligned.raw[0], ast_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; index = dp_peer_ast_hash_index(soc, mac_addr); TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { if ((pdev_id == ase->pdev_id) && !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { return ase; } } return NULL; } struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, uint8_t *ast_mac_addr) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; unsigned index; struct dp_ast_entry *ase; if (!soc->ast_hash.bins) return NULL; qdf_mem_copy(&local_mac_addr_aligned.raw[0], ast_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; index = dp_peer_ast_hash_index(soc, mac_addr); TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) { return ase; } } return NULL; } struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type( struct dp_soc *soc, uint8_t *ast_mac_addr, enum cdp_txrx_ast_entry_type type) { union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; unsigned index; struct dp_ast_entry *ase; if (!soc->ast_hash.bins) return NULL; qdf_mem_copy(&local_mac_addr_aligned.raw[0], ast_mac_addr, QDF_MAC_ADDR_SIZE); mac_addr = &local_mac_addr_aligned; index = dp_peer_ast_hash_index(soc, mac_addr); TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0 && ase->type == type) { return ase; } } return NULL; } /** * dp_peer_map_ipa_evt() - Send peer map event to IPA * @soc: SoC handle * @peer: peer to which ast node belongs * @ast_entry: AST entry * @mac_addr: MAC address of ast node * * Return: None */ #if defined(IPA_OFFLOAD) && defined(QCA_IPA_LL_TX_FLOW_CONTROL) static inline void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer, struct dp_ast_entry *ast_entry, uint8_t *mac_addr) { if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) { if (soc->cdp_soc.ol_ops->peer_map_event) { soc->cdp_soc.ol_ops->peer_map_event( soc->ctrl_psoc, ast_entry->peer_id, ast_entry->ast_idx, ast_entry->vdev_id, mac_addr, ast_entry->type, ast_entry->ast_hash_value); } } else { dp_peer_info("%pK: AST entry not found", soc); } } /** * dp_peer_unmap_ipa_evt() - Send peer unmap event to IPA * @soc: SoC handle * @peer_id: Peerid * @vdev_id: Vdev id * @mac_addr: Peer mac address * * Return: None */ static inline void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, uint8_t vdev_id, uint8_t *mac_addr) { if (soc->cdp_soc.ol_ops->peer_unmap_event) { soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, peer_id, vdev_id, mac_addr); } } #else static inline void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, uint8_t vdev_id, uint8_t *mac_addr) { } static inline void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer, struct dp_ast_entry *ast_entry, uint8_t *mac_addr) { } #endif QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, uint8_t *mac_addr, uint16_t hw_peer_id, uint8_t vdev_id, uint16_t ast_hash, uint8_t is_wds) { struct dp_vdev *vdev; struct dp_ast_entry *ast_entry; enum cdp_txrx_ast_entry_type type; struct dp_peer *peer; struct dp_peer *old_peer; QDF_STATUS status = QDF_STATUS_SUCCESS; if (is_wds) type = CDP_TXRX_AST_TYPE_WDS; else type = CDP_TXRX_AST_TYPE_STATIC; peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); if (!peer) { dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", soc, peer_id, QDF_MAC_ADDR_REF(mac_addr), vdev_id); return QDF_STATUS_E_INVAL; } if (!is_wds && IS_MLO_DP_MLD_PEER(peer)) type = CDP_TXRX_AST_TYPE_MLD; vdev = peer->vdev; if (!vdev) { dp_peer_err("%pK: Peers vdev is NULL", soc); status = QDF_STATUS_E_INVAL; goto fail; } if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { if (type != CDP_TXRX_AST_TYPE_STATIC && type != CDP_TXRX_AST_TYPE_MLD && type != CDP_TXRX_AST_TYPE_SELF) { status = QDF_STATUS_E_BUSY; goto fail; } } dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT, soc, vdev->vdev_id, type, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, QDF_MAC_ADDR_REF(mac_addr)); /* * In MLO scenario, there is possibility for same mac address * on both link mac address and MLD mac address. * Duplicate AST map needs to be handled for non-mld type. */ qdf_spin_lock_bh(&soc->ast_lock); ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) { dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT, hw_peer_id, vdev_id, QDF_MAC_ADDR_REF(mac_addr)); old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, DP_MOD_ID_AST); if (!old_peer) { dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", soc, ast_entry->peer_id, QDF_MAC_ADDR_REF(mac_addr), vdev_id); qdf_spin_unlock_bh(&soc->ast_lock); status = QDF_STATUS_E_INVAL; goto fail; } dp_peer_unlink_ast_entry(soc, ast_entry, old_peer); dp_peer_free_ast_entry(soc, ast_entry); if (old_peer) dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); } ast_entry = (struct dp_ast_entry *) qdf_mem_malloc(sizeof(struct dp_ast_entry)); if (!ast_entry) { dp_peer_err("%pK: fail to allocate ast_entry", soc); qdf_spin_unlock_bh(&soc->ast_lock); QDF_ASSERT(0); status = QDF_STATUS_E_NOMEM; goto fail; } qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); ast_entry->pdev_id = vdev->pdev->pdev_id; ast_entry->is_mapped = false; ast_entry->delete_in_progress = false; ast_entry->next_hop = 0; ast_entry->vdev_id = vdev->vdev_id; ast_entry->type = type; switch (type) { case CDP_TXRX_AST_TYPE_STATIC: if (peer->vdev->opmode == wlan_op_mode_sta) ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; break; case CDP_TXRX_AST_TYPE_WDS: ast_entry->next_hop = 1; break; case CDP_TXRX_AST_TYPE_MLD: break; default: dp_peer_alert("%pK: Incorrect AST entry type", soc); } ast_entry->is_active = TRUE; DP_STATS_INC(soc, ast.added, 1); soc->num_ast_entries++; dp_peer_ast_hash_add(soc, ast_entry); ast_entry->ast_idx = hw_peer_id; ast_entry->ast_hash_value = ast_hash; ast_entry->peer_id = peer_id; TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); dp_peer_map_ipa_evt(soc, peer, ast_entry, mac_addr); qdf_spin_unlock_bh(&soc->ast_lock); fail: dp_peer_unref_delete(peer, DP_MOD_ID_HTT); return status; } /** * dp_peer_map_ast() - Map the ast entry with HW AST Index * @soc: SoC handle * @peer: peer to which ast node belongs * @mac_addr: MAC address of ast node * @hw_peer_id: HW AST Index returned by target in peer map event * @vdev_id: vdev id for VAP to which the peer belongs to * @ast_hash: ast hash value in HW * @is_wds: flag to indicate peer map event for WDS ast entry * * Return: QDF_STATUS code */ static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, struct dp_peer *peer, uint8_t *mac_addr, uint16_t hw_peer_id, uint8_t vdev_id, uint16_t ast_hash, uint8_t is_wds) { struct dp_ast_entry *ast_entry = NULL; enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC; void *cookie = NULL; txrx_ast_free_cb cb = NULL; QDF_STATUS err = QDF_STATUS_SUCCESS; if (soc->ast_offload_support && !wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc)) return QDF_STATUS_SUCCESS; dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, soc, peer, hw_peer_id, vdev_id, QDF_MAC_ADDR_REF(mac_addr)); qdf_spin_lock_bh(&soc->ast_lock); ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); if (is_wds) { /* * While processing peer map of AST entry if the next hop peer is * deleted free the AST entry as it is not attached to peer yet */ if (!peer) { if (ast_entry) dp_peer_free_ast_entry(soc, ast_entry); qdf_spin_unlock_bh(&soc->ast_lock); dp_peer_alert("Peer is NULL for WDS entry mac " QDF_MAC_ADDR_FMT " ", QDF_MAC_ADDR_REF(mac_addr)); return QDF_STATUS_E_INVAL; } /* * In certain cases like Auth attack on a repeater * can result in the number of ast_entries falling * in the same hash bucket to exceed the max_skid * length supported by HW in root AP. In these cases * the FW will return the hw_peer_id (ast_index) as * 0xffff indicating HW could not add the entry in * its table. Host has to delete the entry from its * table in these cases. */ if (hw_peer_id == HTT_INVALID_PEER) { DP_STATS_INC(soc, ast.map_err, 1); if (ast_entry) { if (ast_entry->is_mapped) { soc->ast_table[ast_entry->ast_idx] = NULL; } cb = ast_entry->callback; cookie = ast_entry->cookie; peer_type = ast_entry->type; dp_peer_unlink_ast_entry(soc, ast_entry, peer); dp_peer_free_ast_entry(soc, ast_entry); qdf_spin_unlock_bh(&soc->ast_lock); if (cb) { cb(soc->ctrl_psoc, dp_soc_to_cdp_soc(soc), cookie, CDP_TXRX_AST_DELETED); } } else { qdf_spin_unlock_bh(&soc->ast_lock); 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", peer, peer->peer_id, QDF_MAC_ADDR_REF(peer->mac_addr.raw), QDF_MAC_ADDR_REF(mac_addr), vdev_id, is_wds); } err = QDF_STATUS_E_INVAL; dp_hmwds_ast_add_notify(peer, mac_addr, peer_type, err, true); return err; } } if (!peer) { qdf_spin_unlock_bh(&soc->ast_lock); dp_peer_alert("Peer is NULL for mac " QDF_MAC_ADDR_FMT " ", QDF_MAC_ADDR_REF(mac_addr)); return QDF_STATUS_E_INVAL; } if (ast_entry) { ast_entry->ast_idx = hw_peer_id; soc->ast_table[hw_peer_id] = ast_entry; ast_entry->is_active = TRUE; peer_type = ast_entry->type; ast_entry->ast_hash_value = ast_hash; ast_entry->is_mapped = TRUE; qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER); ast_entry->peer_id = peer->peer_id; TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); } if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev) || wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc)) { if (soc->cdp_soc.ol_ops->peer_map_event) { soc->cdp_soc.ol_ops->peer_map_event( soc->ctrl_psoc, peer->peer_id, hw_peer_id, vdev_id, mac_addr, peer_type, ast_hash); } } else { dp_peer_err("%pK: AST entry not found", soc); err = QDF_STATUS_E_NOENT; } qdf_spin_unlock_bh(&soc->ast_lock); dp_hmwds_ast_add_notify(peer, mac_addr, peer_type, err, true); return err; } void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc, struct cdp_soc *dp_soc, void *cookie, enum cdp_ast_free_status status) { struct dp_ast_free_cb_params *param = (struct dp_ast_free_cb_params *)cookie; struct dp_soc *soc = (struct dp_soc *)dp_soc; struct dp_peer *peer = NULL; QDF_STATUS err = QDF_STATUS_SUCCESS; if (status != CDP_TXRX_AST_DELETED) { qdf_mem_free(cookie); return; } peer = dp_peer_find_hash_find(soc, ¶m->peer_mac_addr.raw[0], 0, param->vdev_id, DP_MOD_ID_AST); if (peer) { err = dp_peer_add_ast(soc, peer, ¶m->mac_addr.raw[0], param->type, param->flags); dp_hmwds_ast_add_notify(peer, ¶m->mac_addr.raw[0], param->type, err, false); dp_peer_unref_delete(peer, DP_MOD_ID_AST); } qdf_mem_free(cookie); } QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer, uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type, uint32_t flags) { struct dp_ast_entry *ast_entry = NULL; struct dp_vdev *vdev = NULL; struct dp_pdev *pdev = NULL; txrx_ast_free_cb cb = NULL; void *cookie = NULL; struct dp_peer *vap_bss_peer = NULL; bool is_peer_found = false; int status = 0; if (soc->ast_offload_support) return QDF_STATUS_E_INVAL; vdev = peer->vdev; if (!vdev) { dp_peer_err("%pK: Peers vdev is NULL", soc); QDF_ASSERT(0); return QDF_STATUS_E_INVAL; } pdev = vdev->pdev; is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev); qdf_spin_lock_bh(&soc->ast_lock); if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { if ((type != CDP_TXRX_AST_TYPE_STATIC) && (type != CDP_TXRX_AST_TYPE_SELF)) { qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_BUSY; } } 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, soc, pdev->pdev_id, vdev->vdev_id, type, flags, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, QDF_MAC_ADDR_REF(mac_addr)); /* fw supports only 2 times the max_peers ast entries */ if (soc->num_ast_entries >= wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) { qdf_spin_unlock_bh(&soc->ast_lock); dp_peer_err("%pK: Max ast entries reached", soc); return QDF_STATUS_E_RESOURCES; } /* If AST entry already exists , just return from here * ast entry with same mac address can exist on different radios * if ast_override support is enabled use search by pdev in this * case */ if (soc->ast_override_support) { ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr, pdev->pdev_id); if (ast_entry) { qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_ALREADY; } if (is_peer_found) { /* During WDS to static roaming, peer is added * to the list before static AST entry create. * So, allow AST entry for STATIC type * even if peer is present */ if (type != CDP_TXRX_AST_TYPE_STATIC) { qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_ALREADY; } } } else { /* For HWMWDS_SEC entries can be added for same mac address * do not check for existing entry */ if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) goto add_ast_entry; ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); if (ast_entry) { if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) && !ast_entry->delete_in_progress) { qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_ALREADY; } /* Add for HMWDS entry we cannot be ignored if there * is AST entry with same mac address * * if ast entry exists with the requested mac address * send a delete command and register callback which * can take care of adding HMWDS ast entry on delete * confirmation from target */ if (type == CDP_TXRX_AST_TYPE_WDS_HM) { struct dp_ast_free_cb_params *param = NULL; if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) goto add_ast_entry; /* save existing callback */ if (ast_entry->callback) { cb = ast_entry->callback; cookie = ast_entry->cookie; } param = qdf_mem_malloc(sizeof(*param)); if (!param) { QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, "Allocation failed"); qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_NOMEM; } qdf_mem_copy(¶m->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); qdf_mem_copy(¶m->peer_mac_addr.raw[0], &peer->mac_addr.raw[0], QDF_MAC_ADDR_SIZE); param->type = type; param->flags = flags; param->vdev_id = vdev->vdev_id; ast_entry->callback = dp_peer_free_hmwds_cb; ast_entry->pdev_id = vdev->pdev->pdev_id; ast_entry->type = type; ast_entry->cookie = (void *)param; if (!ast_entry->delete_in_progress) dp_peer_del_ast(soc, ast_entry); qdf_spin_unlock_bh(&soc->ast_lock); /* Call the saved callback*/ if (cb) { cb(soc->ctrl_psoc, dp_soc_to_cdp_soc(soc), cookie, CDP_TXRX_AST_DELETE_IN_PROGRESS); } return QDF_STATUS_E_AGAIN; } qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_ALREADY; } } add_ast_entry: ast_entry = (struct dp_ast_entry *) qdf_mem_malloc(sizeof(struct dp_ast_entry)); if (!ast_entry) { qdf_spin_unlock_bh(&soc->ast_lock); dp_peer_err("%pK: fail to allocate ast_entry", soc); QDF_ASSERT(0); return QDF_STATUS_E_NOMEM; } qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); ast_entry->pdev_id = vdev->pdev->pdev_id; ast_entry->is_mapped = false; ast_entry->delete_in_progress = false; ast_entry->peer_id = HTT_INVALID_PEER; ast_entry->next_hop = 0; ast_entry->vdev_id = vdev->vdev_id; switch (type) { case CDP_TXRX_AST_TYPE_STATIC: peer->self_ast_entry = ast_entry; ast_entry->type = CDP_TXRX_AST_TYPE_STATIC; if (peer->vdev->opmode == wlan_op_mode_sta) ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; break; case CDP_TXRX_AST_TYPE_SELF: peer->self_ast_entry = ast_entry; ast_entry->type = CDP_TXRX_AST_TYPE_SELF; break; case CDP_TXRX_AST_TYPE_WDS: ast_entry->next_hop = 1; ast_entry->type = CDP_TXRX_AST_TYPE_WDS; break; case CDP_TXRX_AST_TYPE_WDS_HM: ast_entry->next_hop = 1; ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM; break; case CDP_TXRX_AST_TYPE_WDS_HM_SEC: ast_entry->next_hop = 1; ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC; ast_entry->peer_id = peer->peer_id; TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); break; case CDP_TXRX_AST_TYPE_DA: vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, DP_MOD_ID_AST); if (!vap_bss_peer) { qdf_spin_unlock_bh(&soc->ast_lock); qdf_mem_free(ast_entry); return QDF_STATUS_E_FAILURE; } peer = vap_bss_peer; ast_entry->next_hop = 1; ast_entry->type = CDP_TXRX_AST_TYPE_DA; break; default: dp_peer_err("%pK: Incorrect AST entry type", soc); } ast_entry->is_active = TRUE; DP_STATS_INC(soc, ast.added, 1); soc->num_ast_entries++; dp_peer_ast_hash_add(soc, ast_entry); if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) && (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) && (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) && (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC)) status = dp_add_wds_entry_wrapper(soc, peer, mac_addr, flags, ast_entry->type); if (vap_bss_peer) dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST); qdf_spin_unlock_bh(&soc->ast_lock); return qdf_status_from_os_return(status); } qdf_export_symbol(dp_peer_add_ast); void dp_peer_free_ast_entry(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { /* * NOTE: Ensure that call to this API is done * after soc->ast_lock is taken */ dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id, QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); ast_entry->callback = NULL; ast_entry->cookie = NULL; DP_STATS_INC(soc, ast.deleted, 1); dp_peer_ast_hash_remove(soc, ast_entry); dp_peer_ast_cleanup(soc, ast_entry); qdf_mem_free(ast_entry); soc->num_ast_entries--; } void dp_peer_unlink_ast_entry(struct dp_soc *soc, struct dp_ast_entry *ast_entry, struct dp_peer *peer) { if (!peer) { dp_info_rl("NULL peer"); return; } if (ast_entry->peer_id == HTT_INVALID_PEER) { dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d", QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), ast_entry->type); return; } /* * NOTE: Ensure that call to this API is done * after soc->ast_lock is taken */ qdf_assert_always(ast_entry->peer_id == peer->peer_id); TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem); if (ast_entry == peer->self_ast_entry) peer->self_ast_entry = NULL; /* * release the reference only if it is mapped * to ast_table */ if (ast_entry->is_mapped) soc->ast_table[ast_entry->ast_idx] = NULL; ast_entry->peer_id = HTT_INVALID_PEER; } void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { struct dp_peer *peer = NULL; if (soc->ast_offload_support) return; if (!ast_entry) { dp_info_rl("NULL AST entry"); return; } if (ast_entry->delete_in_progress) { dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d", QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), ast_entry->type); return; } dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id, QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); ast_entry->delete_in_progress = true; /* In teardown del ast is called after setting logical delete state * use __dp_peer_get_ref_by_id to get the reference irrespective of * state */ peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, DP_MOD_ID_AST); dp_peer_ast_send_wds_del(soc, ast_entry, peer); /* Remove SELF and STATIC entries in teardown itself */ if (!ast_entry->next_hop) dp_peer_unlink_ast_entry(soc, ast_entry, peer); if (ast_entry->is_mapped) soc->ast_table[ast_entry->ast_idx] = NULL; /* if peer map v2 is enabled we are not freeing ast entry * here and it is supposed to be freed in unmap event (after * we receive delete confirmation from target) * * if peer_id is invalid we did not get the peer map event * for the peer free ast entry from here only in this case */ if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry)) goto end; /* for WDS secondary entry ast_entry->next_hop would be set so * unlinking has to be done explicitly here. * As this entry is not a mapped entry unmap notification from * FW will not come. Hence unlinkling is done right here. */ if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) dp_peer_unlink_ast_entry(soc, ast_entry, peer); dp_peer_free_ast_entry(soc, ast_entry); end: if (peer) dp_peer_unref_delete(peer, DP_MOD_ID_AST); } int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, struct dp_ast_entry *ast_entry, uint32_t flags) { int ret = -1; struct dp_peer *old_peer; if (soc->ast_offload_support) return QDF_STATUS_E_INVAL; 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", soc, ast_entry->type, peer->vdev->pdev->pdev_id, peer->vdev->vdev_id, flags, QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), QDF_MAC_ADDR_REF(peer->mac_addr.raw)); /* Do not send AST update in below cases * 1) Ast entry delete has already triggered * 2) Peer delete is already triggered * 3) We did not get the HTT map for create event */ if (ast_entry->delete_in_progress || !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) || !ast_entry->is_mapped) return ret; if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) || (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) || (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) || (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)) return 0; /* * Avoids flood of WMI update messages sent to FW for same peer. */ if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) && (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) && (ast_entry->vdev_id == peer->vdev->vdev_id) && (ast_entry->is_active)) return 0; old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id, DP_MOD_ID_AST); if (!old_peer) return 0; TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem); dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); ast_entry->peer_id = peer->peer_id; ast_entry->type = CDP_TXRX_AST_TYPE_WDS; ast_entry->pdev_id = peer->vdev->pdev->pdev_id; ast_entry->vdev_id = peer->vdev->vdev_id; ast_entry->is_active = TRUE; TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); ret = dp_update_wds_entry_wrapper(soc, peer, ast_entry->mac_addr.raw, flags); return ret; } uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { return ast_entry->pdev_id; } uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { return ast_entry->next_hop; } void dp_peer_ast_set_type(struct dp_soc *soc, struct dp_ast_entry *ast_entry, enum cdp_txrx_ast_entry_type type) { ast_entry->type = type; } void dp_peer_ast_send_wds_del(struct dp_soc *soc, struct dp_ast_entry *ast_entry, struct dp_peer *peer) { bool delete_in_fw = false; QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE, "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n", __func__, ast_entry->type, ast_entry->pdev_id, ast_entry->vdev_id, QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), ast_entry->next_hop, ast_entry->peer_id); /* * If peer state is logical delete, the peer is about to get * teared down with a peer delete command to firmware, * which will cleanup all the wds ast entries. * So, no need to send explicit wds ast delete to firmware. */ if (ast_entry->next_hop) { if (peer && dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) delete_in_fw = false; else delete_in_fw = true; dp_del_wds_entry_wrapper(soc, ast_entry->vdev_id, ast_entry->mac_addr.raw, ast_entry->type, delete_in_fw); } } #else void dp_peer_free_ast_entry(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { } void dp_peer_unlink_ast_entry(struct dp_soc *soc, struct dp_ast_entry *ast_entry, struct dp_peer *peer) { } void dp_peer_ast_hash_remove(struct dp_soc *soc, struct dp_ast_entry *ase) { } struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, uint8_t *ast_mac_addr, uint8_t vdev_id) { return NULL; } QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, struct dp_peer *peer, uint8_t *mac_addr, enum cdp_txrx_ast_entry_type type, uint32_t flags) { return QDF_STATUS_E_FAILURE; } void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { } int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, struct dp_ast_entry *ast_entry, uint32_t flags) { return 1; } struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, uint8_t *ast_mac_addr) { return NULL; } struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type( struct dp_soc *soc, uint8_t *ast_mac_addr, enum cdp_txrx_ast_entry_type type) { return NULL; } static inline QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, uint8_t *mac_addr, uint16_t hw_peer_id, uint8_t vdev_id, uint16_t ast_hash, uint8_t is_wds) { return QDF_STATUS_SUCCESS; } struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, uint8_t *ast_mac_addr, uint8_t pdev_id) { return NULL; } QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) { return QDF_STATUS_SUCCESS; } static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, struct dp_peer *peer, uint8_t *mac_addr, uint16_t hw_peer_id, uint8_t vdev_id, uint16_t ast_hash, uint8_t is_wds) { return QDF_STATUS_SUCCESS; } void dp_peer_ast_hash_detach(struct dp_soc *soc) { } void dp_peer_ast_set_type(struct dp_soc *soc, struct dp_ast_entry *ast_entry, enum cdp_txrx_ast_entry_type type) { } uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { return 0xff; } uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, struct dp_ast_entry *ast_entry) { return 0xff; } void dp_peer_ast_send_wds_del(struct dp_soc *soc, struct dp_ast_entry *ast_entry, struct dp_peer *peer) { } static inline void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, uint8_t vdev_id, uint8_t *mac_addr) { } #endif #ifdef WLAN_FEATURE_MULTI_AST_DEL void dp_peer_ast_send_multi_wds_del( struct dp_soc *soc, uint8_t vdev_id, struct peer_del_multi_wds_entries *wds_list) { struct cdp_soc_t *cdp_soc = &soc->cdp_soc; if (cdp_soc && cdp_soc->ol_ops && cdp_soc->ol_ops->peer_del_multi_wds_entry) cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc, vdev_id, wds_list); } #endif #ifdef FEATURE_WDS /** * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer * @soc: soc handle * @peer: peer handle * * Free all the wds ast entries associated with peer * * Return: Number of wds ast entries freed */ static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc, struct dp_peer *peer) { TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0}; struct dp_ast_entry *ast_entry, *temp_ast_entry; uint32_t num_ast = 0; TAILQ_INIT(&ast_local_list); qdf_spin_lock_bh(&soc->ast_lock); DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { if (ast_entry->next_hop) num_ast++; if (ast_entry->is_mapped) soc->ast_table[ast_entry->ast_idx] = NULL; dp_peer_unlink_ast_entry(soc, ast_entry, peer); DP_STATS_INC(soc, ast.deleted, 1); dp_peer_ast_hash_remove(soc, ast_entry); TAILQ_INSERT_TAIL(&ast_local_list, ast_entry, ase_list_elem); soc->num_ast_entries--; } qdf_spin_unlock_bh(&soc->ast_lock); TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem, temp_ast_entry) { if (ast_entry->callback) ast_entry->callback(soc->ctrl_psoc, dp_soc_to_cdp_soc(soc), ast_entry->cookie, CDP_TXRX_AST_DELETED); qdf_mem_free(ast_entry); } return num_ast; } /** * dp_peer_clean_wds_entries() - Clean wds ast entries and compare * @soc: soc handle * @peer: peer handle * @free_wds_count: number of wds entries freed by FW with peer delete * * Free all the wds ast entries associated with peer and compare with * the value received from firmware * * Return: Number of wds ast entries freed */ static void dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, uint32_t free_wds_count) { uint32_t wds_deleted = 0; bool ast_ind_disable; if (soc->ast_offload_support && !soc->host_ast_db_enable) return; ast_ind_disable = wlan_cfg_get_ast_indication_disable (soc->wlan_cfg_ctx); wds_deleted = dp_peer_ast_free_wds_entries(soc, peer); if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) && (free_wds_count != wds_deleted) && !ast_ind_disable) { DP_STATS_INC(soc, ast.ast_mismatch, 1); 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", peer, peer->mac_addr.raw, free_wds_count, wds_deleted); } } #else static void dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, uint32_t free_wds_count) { struct dp_ast_entry *ast_entry, *temp_ast_entry; qdf_spin_lock_bh(&soc->ast_lock); DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { dp_peer_unlink_ast_entry(soc, ast_entry, peer); if (ast_entry->is_mapped) soc->ast_table[ast_entry->ast_idx] = NULL; dp_peer_free_ast_entry(soc, ast_entry); } peer->self_ast_entry = NULL; qdf_spin_unlock_bh(&soc->ast_lock); } #endif /** * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete * @soc: soc handle * @peer: peer handle * @vdev_id: vdev_id * @mac_addr: mac address of the AST entry to searc and delete * * find the ast entry from the peer list using the mac address and free * the entry. * * Return: SUCCESS or NOENT */ static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc, struct dp_peer *peer, uint8_t vdev_id, uint8_t *mac_addr) { struct dp_ast_entry *ast_entry; void *cookie = NULL; txrx_ast_free_cb cb = NULL; /* * release the reference only if it is mapped * to ast_table */ qdf_spin_lock_bh(&soc->ast_lock); ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); if (!ast_entry) { qdf_spin_unlock_bh(&soc->ast_lock); return QDF_STATUS_E_NOENT; } else if (ast_entry->is_mapped) { soc->ast_table[ast_entry->ast_idx] = NULL; } cb = ast_entry->callback; cookie = ast_entry->cookie; dp_peer_unlink_ast_entry(soc, ast_entry, peer); dp_peer_free_ast_entry(soc, ast_entry); qdf_spin_unlock_bh(&soc->ast_lock); if (cb) { cb(soc->ctrl_psoc, dp_soc_to_cdp_soc(soc), cookie, CDP_TXRX_AST_DELETED); } return QDF_STATUS_SUCCESS; } void dp_peer_find_hash_erase(struct dp_soc *soc) { int i; /* * Not really necessary to take peer_ref_mutex lock - by this point, * it's known that the soc is no longer in use. */ for (i = 0; i <= soc->peer_hash.mask; i++) { if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) { struct dp_peer *peer, *peer_next; /* * TAILQ_FOREACH_SAFE must be used here to avoid any * memory access violation after peer is freed */ TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i], hash_list_elem, peer_next) { /* * Don't remove the peer from the hash table - * that would modify the list we are currently * traversing, and it's not necessary anyway. */ /* * Artificially adjust the peer's ref count to * 1, so it will get deleted by * dp_peer_unref_delete. */ /* set to zero */ qdf_atomic_init(&peer->ref_cnt); for (i = 0; i < DP_MOD_ID_MAX; i++) qdf_atomic_init(&peer->mod_refs[i]); /* incr to one */ qdf_atomic_inc(&peer->ref_cnt); qdf_atomic_inc(&peer->mod_refs [DP_MOD_ID_CONFIG]); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); } } } } void dp_peer_ast_table_detach(struct dp_soc *soc) { if (soc->ast_table) { qdf_mem_free(soc->ast_table); soc->ast_table = NULL; } } void dp_peer_find_map_detach(struct dp_soc *soc) { struct dp_peer *peer = NULL; uint32_t i = 0; if (soc->peer_id_to_obj_map) { for (i = 0; i < soc->max_peer_id; i++) { peer = soc->peer_id_to_obj_map[i]; if (peer) dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); } qdf_mem_free(soc->peer_id_to_obj_map); soc->peer_id_to_obj_map = NULL; qdf_spinlock_destroy(&soc->peer_map_lock); } } #ifndef AST_OFFLOAD_ENABLE QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) { QDF_STATUS status; status = dp_peer_find_map_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) return status; status = dp_peer_find_hash_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) goto map_detach; status = dp_peer_ast_table_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) goto hash_detach; status = dp_peer_ast_hash_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) goto ast_table_detach; status = dp_peer_mec_hash_attach(soc); if (QDF_IS_STATUS_SUCCESS(status)) { dp_soc_wds_attach(soc); return status; } dp_peer_ast_hash_detach(soc); ast_table_detach: dp_peer_ast_table_detach(soc); hash_detach: dp_peer_find_hash_detach(soc); map_detach: dp_peer_find_map_detach(soc); return status; } #else QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) { QDF_STATUS status; status = dp_peer_find_map_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) return status; status = dp_peer_find_hash_attach(soc); if (!QDF_IS_STATUS_SUCCESS(status)) goto map_detach; return status; map_detach: dp_peer_find_map_detach(soc); return status; } #endif #ifdef REO_SHARED_QREF_TABLE_EN void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc, struct dp_peer *peer) { uint8_t tid; uint16_t peer_id; uint32_t max_list_size; max_list_size = soc->wlan_cfg_ctx->qref_control_size; peer_id = peer->peer_id; if (peer_id > soc->max_peer_id) return; if (IS_MLO_DP_LINK_PEER(peer)) return; if (max_list_size) { unsigned long curr_ts = qdf_get_system_timestamp(); struct dp_peer *primary_peer = peer; uint16_t chip_id = 0xFFFF; uint32_t qref_index; qref_index = soc->shared_qaddr_del_idx; soc->list_shared_qaddr_del[qref_index].peer_id = primary_peer->peer_id; soc->list_shared_qaddr_del[qref_index].ts_qaddr_del = curr_ts; soc->list_shared_qaddr_del[qref_index].chip_id = chip_id; soc->shared_qaddr_del_idx++; if (soc->shared_qaddr_del_idx == max_list_size) soc->shared_qaddr_del_idx = 0; } if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) { for (tid = 0; tid < DP_MAX_TIDS; tid++) { hal_reo_shared_qaddr_write(soc->hal_soc, peer_id, tid, 0); } } } #endif /** * dp_peer_find_add_id() - map peer_id with peer * @soc: soc handle * @peer_mac_addr: peer mac address * @peer_id: peer id to be mapped * @hw_peer_id: HW ast index * @vdev_id: vdev_id * @peer_type: peer type (link or MLD) * * return: peer in success * NULL in failure */ static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc, uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id, uint8_t vdev_id, enum cdp_peer_type peer_type) { struct dp_peer *peer; struct cdp_peer_info peer_info = { 0 }; QDF_ASSERT(peer_id <= soc->max_peer_id); /* check if there's already a peer object with this MAC address */ DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr, false, peer_type); peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); dp_peer_debug("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, soc, peer, peer_id, vdev_id, QDF_MAC_ADDR_REF(peer_mac_addr)); if (peer) { /* peer's ref count was already incremented by * peer_find_hash_find */ dp_peer_info("%pK: ref_cnt: %d", soc, qdf_atomic_read(&peer->ref_cnt)); /* * if peer is in logical delete CP triggered delete before map * is received ignore this event */ if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) { dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d", peer, QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id); return NULL; } if (peer->peer_id == HTT_INVALID_PEER) { if (!IS_MLO_DP_MLD_PEER(peer)) dp_monitor_peer_tid_peer_id_update(soc, peer, peer_id); } else { dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); QDF_ASSERT(0); return NULL; } dp_peer_find_id_to_obj_add(soc, peer, peer_id); if (soc->arch_ops.dp_partner_chips_map) soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id); dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE); return peer; } return NULL; } #ifdef WLAN_FEATURE_11BE_MLO #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id) { return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift)); } #else uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id) { return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S)); } #endif QDF_STATUS dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, uint8_t *peer_mac_addr, struct dp_mlo_flow_override_info *mlo_flow_info, struct dp_mlo_link_info *mlo_link_info) { struct dp_peer *peer = NULL; uint16_t hw_peer_id = mlo_flow_info[0].ast_idx; uint16_t ast_hash = mlo_flow_info[0].cache_set_num; uint8_t vdev_id = 0; uint8_t is_wds = 0; int i; uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; QDF_STATUS err = QDF_STATUS_SUCCESS; struct dp_soc *primary_soc = NULL; dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP, NULL, peer_mac_addr, 1, peer_id, ml_peer_id, 0, vdev_id); dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT, soc, peer_id, ml_peer_id, QDF_MAC_ADDR_REF(peer_mac_addr)); DP_STATS_INC(soc, t2h_msg_stats.ml_peer_map, 1); /* Get corresponding vdev ID for the peer based * on chip ID obtained from mlo peer_map event */ for (i = 0; i < DP_MAX_MLO_LINKS; i++) { if (mlo_link_info[i].peer_chip_id == dp_get_chip_id(soc)) { vdev_id = mlo_link_info[i].vdev_id; break; } } peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id, hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE); if (peer) { if (wlan_op_mode_sta == peer->vdev->opmode && qdf_mem_cmp(peer->mac_addr.raw, peer->vdev->mld_mac_addr.raw, QDF_MAC_ADDR_SIZE) != 0) { dp_peer_info("%pK: STA vdev bss_peer!!!!", soc); peer->bss_peer = 1; if (peer->txrx_peer) peer->txrx_peer->bss_peer = 1; } if (peer->vdev->opmode == wlan_op_mode_sta) { peer->vdev->bss_ast_hash = ast_hash; peer->vdev->bss_ast_idx = hw_peer_id; } /* Add ast entry incase self ast entry is * deleted due to DP CP sync issue * * self_ast_entry is modified in peer create * and peer unmap path which cannot run in * parllel with peer map, no lock need before * referring it */ if (!peer->self_ast_entry) { dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer_mac_addr)); dp_peer_add_ast(soc, peer, peer_mac_addr, type, 0); } /* If peer setup and hence rx_tid setup got called * before htt peer map then Qref write to LUT did not * happen in rx_tid setup as peer_id was invalid. * So defer Qref write to peer map handler. Check if * rx_tid qdesc for tid 0 is already setup and perform * qref write to LUT for Tid 0 and 16. * * Peer map could be obtained on assoc link, hence * change to primary link's soc. */ primary_soc = peer->vdev->pdev->soc; if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) && peer->rx_tid[0].hw_qdesc_vaddr_unaligned) { hal_reo_shared_qaddr_write(primary_soc->hal_soc, ml_peer_id, 0, peer->rx_tid[0].hw_qdesc_paddr); hal_reo_shared_qaddr_write(primary_soc->hal_soc, ml_peer_id, DP_NON_QOS_TID, peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); } } if (!primary_soc) primary_soc = soc; err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, vdev_id, ast_hash, is_wds); /* * If AST offload and host AST DB is enabled, populate AST entries on * host based on mlo peer map event from FW */ if (peer && soc->ast_offload_support && soc->host_ast_db_enable) { dp_peer_host_add_map_ast(primary_soc, ml_peer_id, peer_mac_addr, hw_peer_id, vdev_id, ast_hash, is_wds); } return err; } #endif #ifdef DP_RX_UDP_OVER_PEER_ROAM void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id, uint8_t *peer_mac_addr) { struct dp_vdev *vdev = NULL; vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT); if (vdev) { if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr, QDF_MAC_ADDR_SIZE) == 0) { vdev->roaming_peer_status = WLAN_ROAM_PEER_AUTH_STATUS_NONE; qdf_mem_zero(vdev->roaming_peer_mac.raw, QDF_MAC_ADDR_SIZE); } dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT); } } #endif #ifdef WLAN_SUPPORT_PPEDS static void dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, bool peer_map) { if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping) soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map); } #else static void dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, bool peer_map) { } #endif QDF_STATUS dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, uint16_t hw_peer_id, uint8_t vdev_id, uint8_t *peer_mac_addr, uint16_t ast_hash, uint8_t is_wds) { struct dp_peer *peer = NULL; struct dp_vdev *vdev = NULL; enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; QDF_STATUS err = QDF_STATUS_SUCCESS; dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP, NULL, peer_mac_addr, 1, peer_id, 0, 0, vdev_id); dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d", soc, peer_id, hw_peer_id, QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id); DP_STATS_INC(soc, t2h_msg_stats.peer_map, 1); /* Peer map event for WDS ast entry get the peer from * obj map */ if (is_wds) { if (!soc->ast_offload_support) { peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, vdev_id, ast_hash, is_wds); if (peer) dp_peer_unref_delete(peer, DP_MOD_ID_HTT); } } else { /* * It's the responsibility of the CP and FW to ensure * that peer is created successfully. Ideally DP should * not hit the below condition for directly associated * peers. */ if ((!soc->ast_offload_support) && ((hw_peer_id < 0) || (hw_peer_id >= wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) { dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id); qdf_assert_always(0); } peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id, hw_peer_id, vdev_id, CDP_LINK_PEER_TYPE); if (peer) { bool peer_map = true; /* Updating ast_hash and ast_idx in peer level */ peer->ast_hash = ast_hash; peer->ast_idx = hw_peer_id; vdev = peer->vdev; /* Only check for STA Vdev and peer is not for TDLS */ if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) { if (qdf_mem_cmp(peer->mac_addr.raw, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE) != 0) { dp_info("%pK: STA vdev bss_peer", soc); peer->bss_peer = 1; if (peer->txrx_peer) peer->txrx_peer->bss_peer = 1; } dp_info("bss ast_hash 0x%x, ast_index 0x%x", ast_hash, hw_peer_id); vdev->bss_ast_hash = ast_hash; vdev->bss_ast_idx = hw_peer_id; dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map); } /* Add ast entry incase self ast entry is * deleted due to DP CP sync issue * * self_ast_entry is modified in peer create * and peer unmap path which cannot run in * parllel with peer map, no lock need before * referring it */ if (!soc->ast_offload_support && !peer->self_ast_entry) { dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer_mac_addr)); dp_peer_add_ast(soc, peer, peer_mac_addr, type, 0); } /* If peer setup and hence rx_tid setup got called * before htt peer map then Qref write to LUT did * not happen in rx_tid setup as peer_id was invalid. * So defer Qref write to peer map handler. Check if * rx_tid qdesc for tid 0 is already setup perform qref * write to LUT for Tid 0 and 16. */ if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) && peer->rx_tid[0].hw_qdesc_vaddr_unaligned && !IS_MLO_DP_LINK_PEER(peer)) { add_entry_write_list(soc, peer, 0); hal_reo_shared_qaddr_write(soc->hal_soc, peer_id, 0, peer->rx_tid[0].hw_qdesc_paddr); add_entry_write_list(soc, peer, DP_NON_QOS_TID); hal_reo_shared_qaddr_write(soc->hal_soc, peer_id, DP_NON_QOS_TID, peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); } } err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, vdev_id, ast_hash, is_wds); } dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr); /* * If AST offload and host AST DB is enabled, populate AST entries on * host based on peer map event from FW */ if (soc->ast_offload_support && soc->host_ast_db_enable) { dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr, hw_peer_id, vdev_id, ast_hash, is_wds); } return err; } void dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id, uint8_t vdev_id, uint8_t *mac_addr, uint8_t is_wds, uint32_t free_wds_count) { struct dp_peer *peer; struct dp_vdev *vdev = NULL; DP_STATS_INC(soc, t2h_msg_stats.peer_unmap, 1); /* * If FW AST offload is enabled and host AST DB is enabled, * the AST entries are created during peer map from FW. */ if (soc->ast_offload_support && is_wds) { if (!soc->host_ast_db_enable) return; } peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); /* * Currently peer IDs are assigned for vdevs as well as peers. * If the peer ID is for a vdev, then the peer pointer stored * in peer_id_to_obj_map will be NULL. */ if (!peer) { dp_err("Received unmap event for invalid peer_id %u", peer_id); DP_STATS_INC(soc, t2h_msg_stats.invalid_peer_unmap, 1); return; } vdev = peer->vdev; if (peer->txrx_peer) { struct cdp_txrx_peer_params_update params = {0}; params.vdev_id = vdev->vdev_id; params.peer_mac = peer->mac_addr.raw; params.chip_id = dp_get_chip_id(soc); params.pdev_id = vdev->pdev->pdev_id; dp_wdi_event_handler(WDI_EVENT_PEER_UNMAP, soc, (void *)¶ms, peer_id, WDI_NO_VAL, vdev->pdev->pdev_id); } /* * In scenario where assoc peer soc id is different from * primary soc id, reset the soc to point to primary psoc. * Since map is received on primary soc, the unmap should * also delete ast on primary soc. */ soc = peer->vdev->pdev->soc; /* If V2 Peer map messages are enabled AST entry has to be * freed here */ if (is_wds) { if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id, mac_addr)) { dp_peer_unmap_ipa_evt(soc, peer_id, vdev_id, mac_addr); dp_peer_unref_delete(peer, DP_MOD_ID_HTT); return; } 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", peer, peer->peer_id, QDF_MAC_ADDR_REF(peer->mac_addr.raw), QDF_MAC_ADDR_REF(mac_addr), vdev_id, is_wds); dp_peer_unref_delete(peer, DP_MOD_ID_HTT); return; } dp_peer_clean_wds_entries(soc, peer, free_wds_count); dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP, peer, mac_addr, 0, peer_id, 0, 0, vdev_id); dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK", soc, peer_id, peer); /* Clear entries in Qref LUT */ /* TODO: Check if this is to be called from * dp_peer_delete for MLO case if there is race between * new peer id assignment and still not having received * peer unmap for MLD peer with same peer id. */ dp_peer_rx_reo_shared_qaddr_delete(soc, peer); vdev = peer->vdev; /* only if peer is in STA mode and not tdls peer */ if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) { bool peer_map = false; dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map); } dp_peer_find_id_to_obj_remove(soc, peer_id); if (soc->arch_ops.dp_partner_chips_unmap) soc->arch_ops.dp_partner_chips_unmap(soc, peer_id); peer->peer_id = HTT_INVALID_PEER; /* * Reset ast flow mapping table */ if (!soc->ast_offload_support) dp_peer_reset_flowq_map(peer); if (soc->cdp_soc.ol_ops->peer_unmap_event) { soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, peer_id, vdev_id, mac_addr); } dp_update_vdev_stats_on_peer_unmap(vdev, peer); dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE); dp_peer_unref_delete(peer, DP_MOD_ID_HTT); /* * Remove a reference to the peer. * If there are no more references, delete the peer object. */ dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); } #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT) enum dp_bands dp_freq_to_band(qdf_freq_t freq) { if (REG_IS_24GHZ_CH_FREQ(freq)) return DP_BAND_2GHZ; else if (REG_IS_5GHZ_FREQ(freq) || REG_IS_49GHZ_FREQ(freq)) return DP_BAND_5GHZ; else if (REG_IS_6GHZ_FREQ(freq)) return DP_BAND_6GHZ; return DP_BAND_INVALID; } void dp_map_link_id_band(struct dp_peer *peer) { struct dp_txrx_peer *txrx_peer = NULL; enum dp_bands band; txrx_peer = dp_get_txrx_peer(peer); if (txrx_peer) { band = dp_freq_to_band(peer->freq); txrx_peer->band[peer->link_id + 1] = band; dp_info("Band(Freq: %u): %u mapped to Link ID: %u", peer->freq, band, peer->link_id); } else { dp_info("txrx_peer NULL for peer: " QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); } } QDF_STATUS dp_rx_peer_ext_evt(struct dp_soc *soc, struct dp_peer_ext_evt_info *info) { struct dp_peer *peer = NULL; struct cdp_peer_info peer_info = { 0 }; QDF_ASSERT(info->peer_id <= soc->max_peer_id); DP_PEER_INFO_PARAMS_INIT(&peer_info, info->vdev_id, info->peer_mac_addr, false, CDP_LINK_PEER_TYPE); peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); if (!peer) { dp_err("peer NULL, id %u, MAC " QDF_MAC_ADDR_FMT ", vdev_id %u", info->peer_id, QDF_MAC_ADDR_REF(info->peer_mac_addr), info->vdev_id); return QDF_STATUS_E_FAILURE; } peer->link_id = info->link_id; peer->link_id_valid = info->link_id_valid; if (peer->freq) dp_map_link_id_band(peer); dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); return QDF_STATUS_SUCCESS; } #endif #ifdef WLAN_FEATURE_11BE_MLO void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id) { uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0}; uint8_t vdev_id = DP_VDEV_ALL; uint8_t is_wds = 0; dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP, NULL, mac_addr, 0, peer_id, 0, 0, vdev_id); dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d", soc, peer_id); DP_STATS_INC(soc, t2h_msg_stats.ml_peer_unmap, 1); dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id, mac_addr, is_wds, DP_PEER_WDS_COUNT_INVALID); } #endif #ifndef AST_OFFLOAD_ENABLE void dp_peer_find_detach(struct dp_soc *soc) { dp_soc_wds_detach(soc); dp_peer_find_map_detach(soc); dp_peer_find_hash_detach(soc); dp_peer_ast_hash_detach(soc); dp_peer_ast_table_detach(soc); dp_peer_mec_hash_detach(soc); } #else void dp_peer_find_detach(struct dp_soc *soc) { dp_peer_find_map_detach(soc); dp_peer_find_hash_detach(soc); } #endif void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer) { dp_peer_rx_tid_setup(peer); peer->active_ba_session_cnt = 0; peer->hw_buffer_size = 0; peer->kill_256_sessions = 0; /* * Set security defaults: no PN check, no security. The target may * send a HTT SEC_IND message to overwrite these defaults. */ if (peer->txrx_peer) peer->txrx_peer->security[dp_sec_ucast].sec_type = peer->txrx_peer->security[dp_sec_mcast].sec_type = cdp_sec_type_none; } #ifdef WLAN_FEATURE_11BE_MLO static void dp_peer_rx_init_reorder_queue(struct dp_pdev *pdev, struct dp_peer *peer) { struct dp_soc *soc = pdev->soc; struct dp_peer *mld_peer = DP_GET_MLD_PEER_FROM_PEER(peer); struct dp_rx_tid *rx_tid = NULL; uint32_t ba_window_size, tid; QDF_STATUS status; if (dp_get_peer_vdev_roaming_in_progress(peer)) return; tid = DP_NON_QOS_TID; rx_tid = &mld_peer->rx_tid[tid]; ba_window_size = rx_tid->ba_status == DP_RX_BA_ACTIVE ? rx_tid->ba_win_size : 1; status = dp_peer_rx_reorder_queue_setup(soc, peer, BIT(tid), ba_window_size); /* Do not return on failure, continue for other tids. */ dp_info("peer %pK " QDF_MAC_ADDR_FMT " type %d setup tid %d ba_win_size %d%s", peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer->peer_type, tid, ba_window_size, QDF_IS_STATUS_SUCCESS(status) ? " SUCCESS" : " FAILED"); for (tid = 0; tid < DP_MAX_TIDS - 1; tid++) { rx_tid = &mld_peer->rx_tid[tid]; ba_window_size = rx_tid->ba_status == DP_RX_BA_ACTIVE ? rx_tid->ba_win_size : 1; status = dp_peer_rx_reorder_queue_setup(soc, peer, BIT(tid), ba_window_size); /* Do not return on failure, continue for other tids. */ dp_info("peer %pK " QDF_MAC_ADDR_FMT " type %d setup tid %d ba_win_size %d%s", peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer->peer_type, tid, ba_window_size, QDF_IS_STATUS_SUCCESS(status) ? " SUCCESS" : " FAILED"); } } void dp_peer_rx_init_wrapper(struct dp_pdev *pdev, struct dp_peer *peer, struct cdp_peer_setup_info *setup_info) { if (setup_info && !setup_info->is_first_link) dp_peer_rx_init_reorder_queue(pdev, peer); else dp_peer_rx_init(pdev, peer); } #else void dp_peer_rx_init_wrapper(struct dp_pdev *pdev, struct dp_peer *peer, struct cdp_peer_setup_info *setup_info) { dp_peer_rx_init(pdev, peer); } #endif void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) { enum wlan_op_mode vdev_opmode; uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE]; struct dp_pdev *pdev = vdev->pdev; struct dp_soc *soc = pdev->soc; /* save vdev related member in case vdev freed */ vdev_opmode = vdev->opmode; if (!IS_MLO_DP_MLD_PEER(peer)) dp_monitor_peer_tx_cleanup(vdev, peer); if (vdev_opmode != wlan_op_mode_monitor) /* cleanup the Rx reorder queues for this peer */ dp_peer_rx_cleanup(vdev, peer); dp_peer_rx_tids_destroy(peer); if (IS_MLO_DP_LINK_PEER(peer)) dp_link_peer_del_mld_peer(peer); if (IS_MLO_DP_MLD_PEER(peer)) dp_mld_peer_deinit_link_peers_info(peer); qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE); if (soc->cdp_soc.ol_ops->peer_unref_delete) soc->cdp_soc.ol_ops->peer_unref_delete( soc->ctrl_psoc, vdev->pdev->pdev_id, peer->mac_addr.raw, vdev_mac_addr, vdev_opmode); } QDF_STATUS dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, uint8_t *peer_mac, enum cdp_sec_type sec_type, bool is_unicast) { struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, peer_mac, 0, vdev_id, DP_MOD_ID_CDP); int sec_index; if (!peer) { dp_peer_debug("%pK: Peer is NULL!\n", soc); return QDF_STATUS_E_FAILURE; } if (!peer->txrx_peer) { dp_peer_unref_delete(peer, DP_MOD_ID_CDP); dp_peer_debug("%pK: txrx peer is NULL!\n", soc); return QDF_STATUS_E_FAILURE; } dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), is_unicast ? "ucast" : "mcast", sec_type); sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; peer->txrx_peer->security[sec_index].sec_type = sec_type; dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } void dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id, enum cdp_sec_type sec_type, int is_unicast, u_int32_t *michael_key, u_int32_t *rx_pn) { struct dp_peer *peer; struct dp_txrx_peer *txrx_peer; int sec_index; peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); if (!peer) { dp_peer_err("Couldn't find peer from ID %d - skipping security inits", peer_id); return; } txrx_peer = dp_get_txrx_peer(peer); if (!txrx_peer) { dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits", peer_id); return; } dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), is_unicast ? "ucast" : "mcast", sec_type); sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; peer->txrx_peer->security[sec_index].sec_type = sec_type; #ifdef notyet /* TODO: See if this is required for defrag support */ /* michael key only valid for TKIP, but for simplicity, * copy it anyway */ qdf_mem_copy( &peer->txrx_peer->security[sec_index].michael_key[0], michael_key, sizeof(peer->txrx_peer->security[sec_index].michael_key)); #ifdef BIG_ENDIAN_HOST OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0], sizeof(peer->txrx_peer->security[sec_index].michael_key)); #endif /* BIG_ENDIAN_HOST */ #endif #ifdef notyet /* TODO: Check if this is required for wifi3.0 */ if (sec_type != cdp_sec_type_wapi) { qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS); } else { for (i = 0; i < DP_MAX_TIDS; i++) { /* * Setting PN valid bit for WAPI sec_type, * since WAPI PN has to be started with predefined value */ peer->tids_last_pn_valid[i] = 1; qdf_mem_copy( (u_int8_t *) &peer->tids_last_pn[i], (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t)); peer->tids_last_pn[i].pn128[1] = qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]); peer->tids_last_pn[i].pn128[0] = qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]); } } #endif /* TODO: Update HW TID queue with PN check parameters (pn type for * all security types and last pn for WAPI) once REO command API * is available */ dp_peer_unref_delete(peer, DP_MOD_ID_HTT); } #ifdef QCA_PEER_EXT_STATS QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer) { uint8_t tid, ctx_id; if (!soc || !txrx_peer) { dp_warn("Null soc%pK or peer%pK", soc, txrx_peer); return QDF_STATUS_E_INVAL; } if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) return QDF_STATUS_SUCCESS; /* * Allocate memory for peer extended stats. */ txrx_peer->delay_stats = qdf_mem_malloc(sizeof(struct dp_peer_delay_stats)); if (!txrx_peer->delay_stats) { dp_err("Peer extended stats obj alloc failed!!"); return QDF_STATUS_E_NOMEM; } for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) { for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) { struct cdp_delay_tx_stats *tx_delay = &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay; struct cdp_delay_rx_stats *rx_delay = &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay; dp_hist_init(&tx_delay->tx_swq_delay, CDP_HIST_TYPE_SW_ENQEUE_DELAY); dp_hist_init(&tx_delay->hwtx_delay, CDP_HIST_TYPE_HW_COMP_DELAY); dp_hist_init(&rx_delay->to_stack_delay, CDP_HIST_TYPE_REAP_STACK); } } return QDF_STATUS_SUCCESS; } void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer) { if (!txrx_peer) { dp_warn("peer_ext dealloc failed due to NULL peer object"); return; } if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) return; if (!txrx_peer->delay_stats) return; qdf_mem_free(txrx_peer->delay_stats); txrx_peer->delay_stats = NULL; } void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) { if (txrx_peer->delay_stats) qdf_mem_zero(txrx_peer->delay_stats, sizeof(struct dp_peer_delay_stats)); } #endif #ifdef WLAN_PEER_JITTER QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev, struct dp_txrx_peer *txrx_peer) { if (!pdev || !txrx_peer) { dp_warn("Null pdev or peer"); return QDF_STATUS_E_INVAL; } if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) return QDF_STATUS_SUCCESS; if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) { /* * Allocate memory on per tid basis when nss is enabled */ txrx_peer->jitter_stats = qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS); } else { /* * Allocate memory on per tid per ring basis */ txrx_peer->jitter_stats = qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS * CDP_MAX_TXRX_CTX); } if (!txrx_peer->jitter_stats) { dp_warn("Jitter stats obj alloc failed!!"); return QDF_STATUS_E_NOMEM; } return QDF_STATUS_SUCCESS; } void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev, struct dp_txrx_peer *txrx_peer) { if (!pdev || !txrx_peer) { dp_warn("Null pdev or peer"); return; } if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) return; if (txrx_peer->jitter_stats) { qdf_mem_free(txrx_peer->jitter_stats); txrx_peer->jitter_stats = NULL; } } void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) { struct cdp_peer_tid_stats *jitter_stats = NULL; if (!txrx_peer) { dp_warn("Null peer"); return; } if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer-> vdev-> pdev->soc->wlan_cfg_ctx)) return; jitter_stats = txrx_peer->jitter_stats; if (!jitter_stats) return; if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer-> vdev->pdev->wlan_cfg_ctx)) qdf_mem_zero(jitter_stats, sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS); else qdf_mem_zero(jitter_stats, sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS * CDP_MAX_TXRX_CTX); } #endif #ifdef DP_PEER_EXTENDED_API /** * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer * @soc: DP soc handle * @txrx_peer: Core txrx_peer handle * @set_bw: enum of bandwidth to be set for this peer connection * * Return: None */ static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer, enum cdp_peer_bw set_bw) { if (!txrx_peer) return; txrx_peer->bw = set_bw; switch (set_bw) { case CDP_160_MHZ: case CDP_320_MHZ: txrx_peer->mpdu_retry_threshold = soc->wlan_cfg_ctx->mpdu_retry_threshold_2; break; case CDP_20_MHZ: case CDP_40_MHZ: case CDP_80_MHZ: default: txrx_peer->mpdu_retry_threshold = soc->wlan_cfg_ctx->mpdu_retry_threshold_1; break; } dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u", txrx_peer->peer_id, txrx_peer->bw, txrx_peer->mpdu_retry_threshold); } #ifdef WLAN_FEATURE_11BE_MLO QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, struct ol_txrx_desc_type *sta_desc) { struct dp_peer *peer; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) return QDF_STATUS_E_FAULT; qdf_spin_lock_bh(&peer->peer_info_lock); peer->state = OL_TXRX_PEER_STATE_CONN; qdf_spin_unlock_bh(&peer->peer_info_lock); dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); dp_rx_flush_rx_cached(peer, false); if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw)); qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock); peer->mld_peer->state = peer->state; qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock); dp_rx_flush_rx_cached(peer->mld_peer, false); } dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, enum ol_txrx_peer_state state) { struct dp_peer *peer; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) { dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]", soc, QDF_MAC_ADDR_REF(peer_mac)); return QDF_STATUS_E_FAILURE; } peer->state = state; peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; if (peer->txrx_peer) peer->txrx_peer->authorize = peer->authorize; dp_peer_info("peer %pK MAC " QDF_MAC_ADDR_FMT " state %d", peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer->state); if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { peer->mld_peer->state = peer->state; peer->mld_peer->txrx_peer->authorize = peer->authorize; dp_peer_info("mld peer %pK MAC " QDF_MAC_ADDR_FMT " state %d", peer->mld_peer, QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw), peer->mld_peer->state); } /* ref_cnt is incremented inside dp_peer_find_hash_find(). * Decrement it here. */ dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } #else QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, struct ol_txrx_desc_type *sta_desc) { struct dp_peer *peer; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) return QDF_STATUS_E_FAULT; qdf_spin_lock_bh(&peer->peer_info_lock); peer->state = OL_TXRX_PEER_STATE_CONN; qdf_spin_unlock_bh(&peer->peer_info_lock); dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); dp_rx_flush_rx_cached(peer, false); dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, enum ol_txrx_peer_state state) { struct dp_peer *peer; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) { dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]", soc, QDF_MAC_ADDR_REF(peer_mac)); return QDF_STATUS_E_FAILURE; } peer->state = state; peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; if (peer->txrx_peer) peer->txrx_peer->authorize = peer->authorize; dp_info("peer %pK state %d", peer, peer->state); /* ref_cnt is incremented inside dp_peer_find_hash_find(). * Decrement it here. */ dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } #endif QDF_STATUS dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, struct qdf_mac_addr peer_addr) { struct dp_peer *peer; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); peer = dp_peer_find_hash_find(soc, peer_addr.bytes, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) return QDF_STATUS_E_FAULT; if (!peer->valid) { dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_E_FAULT; } dp_clear_peer_internal(soc, peer); dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, uint8_t *vdev_id) { struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) return QDF_STATUS_E_FAILURE; dp_info("peer %pK vdev %pK vdev id %d", peer, peer->vdev, peer->vdev->vdev_id); *vdev_id = peer->vdev->vdev_id; /* ref_cnt is incremented inside dp_peer_find_hash_find(). * Decrement it here. */ dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } struct cdp_vdev * dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle, struct qdf_mac_addr peer_addr) { struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle; struct dp_peer *peer = NULL; struct cdp_vdev *vdev = NULL; if (!pdev) { dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer_addr.bytes)); return NULL; } peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (!peer) { QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH, "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer_addr.bytes)); return NULL; } vdev = (struct cdp_vdev *)peer->vdev; dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return vdev; } struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle) { struct dp_peer *peer = peer_handle; DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev); return (struct cdp_vdev *)peer->vdev; } uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle) { struct dp_peer *peer = peer_handle; uint8_t *mac; mac = peer->mac_addr.raw; dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); return peer->mac_addr.raw; } int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, uint8_t *peer_mac, bool slowpath) { enum ol_txrx_peer_state peer_state; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct cdp_peer_info peer_info = { 0 }; struct dp_peer *peer; struct dp_peer *tgt_peer; DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac, false, CDP_WILD_PEER_TYPE); peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP); if (!peer) return OL_TXRX_PEER_STATE_INVALID; tgt_peer = dp_get_tgt_peer_from_peer(peer); peer_state = tgt_peer->state; if (slowpath) dp_peer_info("peer %pK tgt_peer: %pK peer MAC " QDF_MAC_ADDR_FMT " tgt peer MAC " QDF_MAC_ADDR_FMT " tgt peer state %d", peer, tgt_peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), QDF_MAC_ADDR_REF(tgt_peer->mac_addr.raw), tgt_peer->state); dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return peer_state; } void dp_local_peer_id_pool_init(struct dp_pdev *pdev) { int i; /* point the freelist to the first ID */ pdev->local_peer_ids.freelist = 0; /* link each ID to the next one */ for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) { pdev->local_peer_ids.pool[i] = i + 1; pdev->local_peer_ids.map[i] = NULL; } /* link the last ID to itself, to mark the end of the list */ i = OL_TXRX_NUM_LOCAL_PEER_IDS; pdev->local_peer_ids.pool[i] = i; qdf_spinlock_create(&pdev->local_peer_ids.lock); dp_info("Peer pool init"); } void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer) { int i; qdf_spin_lock_bh(&pdev->local_peer_ids.lock); i = pdev->local_peer_ids.freelist; if (pdev->local_peer_ids.pool[i] == i) { /* the list is empty, except for the list-end marker */ peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID; } else { /* take the head ID and advance the freelist */ peer->local_id = i; pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i]; pdev->local_peer_ids.map[i] = peer; } qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); dp_info("peer %pK, local id %d", peer, peer->local_id); } void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer) { int i = peer->local_id; if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) || (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) { return; } /* put this ID on the head of the freelist */ qdf_spin_lock_bh(&pdev->local_peer_ids.lock); pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist; pdev->local_peer_ids.freelist = i; pdev->local_peer_ids.map[i] = NULL; qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); } bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, uint8_t *peer_addr) { struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = NULL; peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id, DP_MOD_ID_CDP); if (!peer) return false; dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return true; } bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, uint8_t *peer_addr, uint16_t max_bssid) { int i; struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = NULL; for (i = 0; i < max_bssid; i++) { /* Need to check vdevs other than the vdev_id */ if (vdev_id == i) continue; peer = dp_peer_find_hash_find(soc, peer_addr, 0, i, DP_MOD_ID_CDP); if (peer) { dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d", QDF_MAC_ADDR_REF(peer_addr), i); dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return true; } } return false; } void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, uint8_t *peer_mac, bool val) { struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = NULL; peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id, DP_MOD_ID_CDP); if (!peer) { dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer_mac)); return; } dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT, val, QDF_MAC_ADDR_REF(peer_mac)); peer->is_tdls_peer = val; dp_peer_unref_delete(peer, DP_MOD_ID_CDP); } #endif bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, uint8_t *peer_addr) { struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = NULL; peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL, DP_MOD_ID_CDP); if (peer) { dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return true; } return false; } QDF_STATUS dp_set_michael_key(struct cdp_soc_t *soc, uint8_t vdev_id, uint8_t *peer_mac, bool is_unicast, uint32_t *key) { uint8_t sec_index = is_unicast ? 1 : 0; struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, peer_mac, 0, vdev_id, DP_MOD_ID_CDP); if (!peer) { dp_peer_err("%pK: peer not found ", soc); return QDF_STATUS_E_FAILURE; } qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0], key, IEEE80211_WEP_MICLEN); dp_peer_unref_delete(peer, DP_MOD_ID_CDP); return QDF_STATUS_SUCCESS; } struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc, struct dp_vdev *vdev, enum dp_mod_id mod_id) { struct dp_peer *peer = NULL; qdf_spin_lock_bh(&vdev->peer_list_lock); TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { if (peer->bss_peer) break; } if (!peer) { qdf_spin_unlock_bh(&vdev->peer_list_lock); return NULL; } if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { qdf_spin_unlock_bh(&vdev->peer_list_lock); return peer; } qdf_spin_unlock_bh(&vdev->peer_list_lock); return peer; } struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc, struct dp_vdev *vdev, enum dp_mod_id mod_id) { struct dp_peer *peer; if (vdev->opmode != wlan_op_mode_sta) return NULL; qdf_spin_lock_bh(&vdev->peer_list_lock); TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { if (peer->sta_self_peer) break; } if (!peer) { qdf_spin_unlock_bh(&vdev->peer_list_lock); return NULL; } if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { qdf_spin_unlock_bh(&vdev->peer_list_lock); return peer; } qdf_spin_unlock_bh(&vdev->peer_list_lock); return peer; } void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, uint8_t *peer_mac) { struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, vdev_id, DP_MOD_ID_CDP); struct dp_txrx_peer *txrx_peer; uint8_t tid; struct dp_rx_tid_defrag *defrag_rx_tid; if (!peer) return; if (!peer->txrx_peer) goto fail; dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); txrx_peer = peer->txrx_peer; for (tid = 0; tid < DP_MAX_TIDS; tid++) { defrag_rx_tid = &txrx_peer->rx_tid[tid]; qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); dp_rx_defrag_waitlist_remove(txrx_peer, tid); dp_rx_reorder_flush_frag(txrx_peer, tid); qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); } fail: dp_peer_unref_delete(peer, DP_MOD_ID_CDP); } bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id) { struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); if (peer) { /* * Decrement the peer ref which is taken as part of * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled */ dp_peer_unref_delete(peer, DP_MOD_ID_HTT); return true; } return false; } qdf_export_symbol(dp_peer_find_by_id_valid); #ifdef QCA_MULTIPASS_SUPPORT void dp_peer_multipass_list_remove(struct dp_peer *peer) { struct dp_vdev *vdev = peer->vdev; struct dp_txrx_peer *tpeer = NULL; bool found = 0; qdf_spin_lock_bh(&vdev->mpass_peer_mutex); TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) { if (tpeer == peer->txrx_peer) { found = 1; TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer, mpass_peer_list_elem); break; } } qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); if (found) dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); } /** * dp_peer_multipass_list_add() - add to new multipass list * @soc: soc handle * @peer_mac: mac address * @vdev_id: vdev id for peer * @vlan_id: vlan_id * * return: void */ static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac, uint8_t vdev_id, uint16_t vlan_id) { struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, vdev_id, DP_MOD_ID_TX_MULTIPASS); if (qdf_unlikely(!peer)) { qdf_err("NULL peer"); return; } if (qdf_unlikely(!peer->txrx_peer)) goto fail; /* If peer already exists in vdev multipass list, do not add it. * This may happen if key install comes twice or re-key * happens for a peer. */ if (peer->txrx_peer->vlan_id) { dp_debug("peer already added to vdev multipass list" "MAC: "QDF_MAC_ADDR_FMT" vlan: %d ", QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer->txrx_peer->vlan_id); goto fail; } /* * Ref_cnt is incremented inside dp_peer_find_hash_find(). * Decrement it when element is deleted from the list. */ peer->txrx_peer->vlan_id = vlan_id; qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list, peer->txrx_peer, mpass_peer_list_elem); qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); return; fail: dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); } void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc, uint8_t vdev_id, uint8_t *peer_mac, uint16_t vlan_id) { struct dp_soc *soc = (struct dp_soc *)cdp_soc; struct dp_vdev *vdev = dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id, DP_MOD_ID_TX_MULTIPASS); dp_info("vdev_id %d, vdev %pK, multipass_en %d, peer_mac " QDF_MAC_ADDR_FMT " vlan %d", vdev_id, vdev, vdev ? vdev->multipass_en : 0, QDF_MAC_ADDR_REF(peer_mac), vlan_id); if (vdev && vdev->multipass_en) { dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id); dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS); } } #endif /* QCA_MULTIPASS_SUPPORT */