peer.h

  1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
  2/*
  3 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
  4 * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  5 */
  6
  7#ifndef ATH12K_PEER_H
  8#define ATH12K_PEER_H
  9
 10#include "dp_rx.h"
 11
 12struct ppdu_user_delayba {
 13	u16 sw_peer_id;
 14	u32 info0;
 15	u16 ru_end;
 16	u16 ru_start;
 17	u32 info1;
 18	u32 rate_flags;
 19	u32 resp_rate_flags;
 20};
 21
 22#define ATH12K_PEER_ML_ID_VALID         BIT(13)
 23
 24struct ath12k_peer {
 25	struct list_head list;
 26	struct ieee80211_sta *sta;
 27	int vdev_id;
 28	u8 addr[ETH_ALEN];
 29	int peer_id;
 30	u16 ast_hash;
 31	u8 pdev_idx;
 32	u16 hw_peer_id;
 33
 34	/* protected by ab->data_lock */
 35	struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
 36	struct ath12k_dp_rx_tid rx_tid[IEEE80211_NUM_TIDS + 1];
 37
 38	/* Info used in MMIC verification of
 39	 * RX fragments
 40	 */
 41	struct crypto_shash *tfm_mmic;
 42	u8 mcast_keyidx;
 43	u8 ucast_keyidx;
 44	u16 sec_type;
 45	u16 sec_type_grp;
 46	struct ppdu_user_delayba ppdu_stats_delayba;
 47	bool delayba_flag;
 48	bool is_authorized;
 49	bool mlo;
 50	/* protected by ab->data_lock */
 51	bool dp_setup_done;
 52
 53	u16 ml_id;
 54
 55	/* any other ML info common for all partners can be added
 56	 * here and would be same for all partner peers.
 57	 */
 58	u8 ml_addr[ETH_ALEN];
 59
 60	/* To ensure only certain work related to dp is done once */
 61	bool primary_link;
 62
 63	/* for reference to ath12k_link_sta */
 64	u8 link_id;
 65	bool ucast_ra_only;
 66};
 67
 68struct ath12k_ml_peer {
 69	struct list_head list;
 70	u8 addr[ETH_ALEN];
 71	u16 id;
 72};
 73
 74void ath12k_peer_unmap_event(struct ath12k_base *ab, u16 peer_id);
 75void ath12k_peer_map_event(struct ath12k_base *ab, u8 vdev_id, u16 peer_id,
 76			   u8 *mac_addr, u16 ast_hash, u16 hw_peer_id);
 77struct ath12k_peer *ath12k_peer_find(struct ath12k_base *ab, int vdev_id,
 78				     const u8 *addr);
 79struct ath12k_peer *ath12k_peer_find_by_addr(struct ath12k_base *ab,
 80					     const u8 *addr);
 81struct ath12k_peer *ath12k_peer_find_by_id(struct ath12k_base *ab, int peer_id);
 82void ath12k_peer_cleanup(struct ath12k *ar, u32 vdev_id);
 83int ath12k_peer_delete(struct ath12k *ar, u32 vdev_id, u8 *addr);
 84int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif,
 85		       struct ieee80211_sta *sta,
 86		       struct ath12k_wmi_peer_create_arg *arg);
 87int ath12k_wait_for_peer_delete_done(struct ath12k *ar, u32 vdev_id,
 88				     const u8 *addr);
 89bool ath12k_peer_exist_by_vdev_id(struct ath12k_base *ab, int vdev_id);
 90struct ath12k_peer *ath12k_peer_find_by_ast(struct ath12k_base *ab, int ast_hash);
 91int ath12k_peer_ml_create(struct ath12k_hw *ah, struct ieee80211_sta *sta);
 92int ath12k_peer_ml_delete(struct ath12k_hw *ah, struct ieee80211_sta *sta);
 93int ath12k_peer_mlo_link_peers_delete(struct ath12k_vif *ahvif, struct ath12k_sta *ahsta);
 94struct ath12k_ml_peer *ath12k_peer_ml_find(struct ath12k_hw *ah,
 95					   const u8 *addr);
 96static inline
 97struct ath12k_link_sta *ath12k_peer_get_link_sta(struct ath12k_base *ab,
 98						 struct ath12k_peer *peer)
 99{
100	struct ath12k_sta *ahsta;
101	struct ath12k_link_sta *arsta;
102
103	if (!peer->sta)
104		return NULL;
105
106	ahsta = ath12k_sta_to_ahsta(peer->sta);
107	if (peer->ml_id & ATH12K_PEER_ML_ID_VALID) {
108		if (!(ahsta->links_map & BIT(peer->link_id))) {
109			ath12k_warn(ab, "peer %pM id %d link_id %d can't found in STA link_map 0x%x\n",
110				    peer->addr, peer->peer_id, peer->link_id,
111				    ahsta->links_map);
112			return NULL;
113		}
114		arsta = rcu_dereference(ahsta->link[peer->link_id]);
115		if (!arsta)
116			return NULL;
117	} else {
118		arsta =  &ahsta->deflink;
119	}
120	return arsta;
121}
122
123#endif /* _PEER_H_ */