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
12 struct 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
24 struct 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
68 struct ath12k_ml_peer {
69 struct list_head list;
70 u8 addr[ETH_ALEN];
71 u16 id;
72 };
73
74 void ath12k_peer_unmap_event(struct ath12k_base *ab, u16 peer_id);
75 void 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);
77 struct ath12k_peer *ath12k_peer_find(struct ath12k_base *ab, int vdev_id,
78 const u8 *addr);
79 struct ath12k_peer *ath12k_peer_find_by_addr(struct ath12k_base *ab,
80 const u8 *addr);
81 struct ath12k_peer *ath12k_peer_find_by_id(struct ath12k_base *ab, int peer_id);
82 void ath12k_peer_cleanup(struct ath12k *ar, u32 vdev_id);
83 int ath12k_peer_delete(struct ath12k *ar, u32 vdev_id, u8 *addr);
84 int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif,
85 struct ieee80211_sta *sta,
86 struct ath12k_wmi_peer_create_arg *arg);
87 int ath12k_wait_for_peer_delete_done(struct ath12k *ar, u32 vdev_id,
88 const u8 *addr);
89 bool ath12k_peer_exist_by_vdev_id(struct ath12k_base *ab, int vdev_id);
90 struct ath12k_peer *ath12k_peer_find_by_ast(struct ath12k_base *ab, int ast_hash);
91 int ath12k_peer_ml_create(struct ath12k_hw *ah, struct ieee80211_sta *sta);
92 int ath12k_peer_ml_delete(struct ath12k_hw *ah, struct ieee80211_sta *sta);
93 int ath12k_peer_mlo_link_peers_delete(struct ath12k_vif *ahvif, struct ath12k_sta *ahsta);
94 struct ath12k_ml_peer *ath12k_peer_ml_find(struct ath12k_hw *ah,
95 const u8 *addr);
96 static inline
ath12k_peer_get_link_sta(struct ath12k_base * ab,struct ath12k_peer * peer)97 struct 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_ */
124