diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index 9c4e5fae8930..0a0c1a1594f2 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -63,6 +63,13 @@
 #define ATH12K_RECONFIGURE_TIMEOUT_HZ		(10 * HZ)
 #define ATH12K_RECOVER_START_TIMEOUT_HZ		(20 * HZ)
 
+#define ATH12K_MAX_SOCS 3
+#define ATH12K_INVALID_GROUP_ID  0xFF
+#define ATH12K_INVALID_DEVICE_ID 0xFF
+
+#define ATH12K_MAX_MLO_PEERS            256
+#define ATH12K_MLO_PEER_ID_INVALID      0xFFFF
+
 enum ath12k_bdf_search {
 	ATH12K_BDF_SEARCH_DEFAULT,
 	ATH12K_BDF_SEARCH_BUS_AND_BOARD,
@@ -488,6 +495,7 @@ struct ath12k_sta {
 	struct ath12k_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
 	/* indicates bitmap of link sta created in FW */
 	u16 links_map;
+	u16 ml_peer_id;
 };
 
 #define ATH12K_MIN_5G_FREQ 4150
@@ -696,6 +704,11 @@ struct ath12k_hw {
 
 	u8 num_radio;
 
+	DECLARE_BITMAP(free_ml_peer_id_map, ATH12K_MAX_MLO_PEERS);
+
+	/* protected by wiphy_lock() */
+	struct list_head ml_peers;
+
 	/* Keep last */
 	struct ath12k radio[] __aligned(sizeof(void *));
 };
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 9552a9495276..2f1edce0287a 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -5105,6 +5105,7 @@ static int ath12k_mac_handle_link_sta_state(struct ieee80211_hw *hw,
 		ahsta->links_map = BIT(arsta->link_id);
 		arsta->ahsta = ahsta;
 		arsta->arvif = arvif;
+		ether_addr_copy(arsta->addr, sta->addr);
 		wiphy_work_init(&arsta->update_wk, ath12k_sta_rc_update_wk);
 
 		synchronize_rcu();
@@ -10123,6 +10124,7 @@ static struct ath12k_hw *ath12k_mac_hw_allocate(struct ath12k_base *ab,
 	ah->num_radio = num_pdev_map;
 
 	mutex_init(&ah->hw_mutex);
+	INIT_LIST_HEAD(&ah->ml_peers);
 
 	for (i = 0; i < num_pdev_map; i++) {
 		ab = pdev_map[i].ab;
diff --git a/drivers/net/wireless/ath/ath12k/peer.c b/drivers/net/wireless/ath/ath12k/peer.c
index 7a62665b8af9..2ad19baf0664 100644
--- a/drivers/net/wireless/ath/ath12k/peer.c
+++ b/drivers/net/wireless/ath/ath12k/peer.c
@@ -8,6 +8,22 @@
 #include "peer.h"
 #include "debug.h"
 
+static struct ath12k_ml_peer *ath12k_peer_ml_find(struct ath12k_hw *ah, const u8 *addr)
+{
+	struct ath12k_ml_peer *ml_peer;
+
+	lockdep_assert_wiphy(ah->hw->wiphy);
+
+	list_for_each_entry(ml_peer, &ah->ml_peers, list) {
+		if (!ether_addr_equal(ml_peer->addr, addr))
+			continue;
+
+		return ml_peer;
+	}
+
+	return NULL;
+}
+
 struct ath12k_peer *ath12k_peer_find(struct ath12k_base *ab, int vdev_id,
 				     const u8 *addr)
 {
@@ -341,3 +357,85 @@ int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif,
 
 	return 0;
 }
+
+static u16 ath12k_peer_ml_alloc(struct ath12k_hw *ah)
+{
+	u16 ml_peer_id;
+
+	lockdep_assert_wiphy(ah->hw->wiphy);
+
+	for (ml_peer_id = 0; ml_peer_id < ATH12K_MAX_MLO_PEERS; ml_peer_id++) {
+		if (test_bit(ml_peer_id, ah->free_ml_peer_id_map))
+			continue;
+
+		set_bit(ml_peer_id, ah->free_ml_peer_id_map);
+		break;
+	}
+
+	if (ml_peer_id == ATH12K_MAX_MLO_PEERS)
+		ml_peer_id = ATH12K_MLO_PEER_ID_INVALID;
+
+	return ml_peer_id;
+}
+
+int ath12k_peer_ml_create(struct ath12k_hw *ah, struct ieee80211_sta *sta)
+{
+	struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta);
+	struct ath12k_ml_peer *ml_peer;
+
+	lockdep_assert_wiphy(ah->hw->wiphy);
+
+	if (!sta->mlo)
+		return -EINVAL;
+
+	ml_peer = ath12k_peer_ml_find(ah, sta->addr);
+	if (ml_peer) {
+		ath12k_hw_warn(ah, "ML peer %d exists already, unable to add new entry for %pM",
+			       ml_peer->id, sta->addr);
+		return -EEXIST;
+	}
+
+	ml_peer = kzalloc(sizeof(*ml_peer), GFP_ATOMIC);
+	if (!ml_peer)
+		return -ENOMEM;
+
+	ahsta->ml_peer_id = ath12k_peer_ml_alloc(ah);
+
+	if (ahsta->ml_peer_id == ATH12K_MLO_PEER_ID_INVALID) {
+		ath12k_hw_warn(ah, "unable to allocate ML peer id for sta %pM",
+			       sta->addr);
+		kfree(ml_peer);
+		return -ENOMEM;
+	}
+
+	ether_addr_copy(ml_peer->addr, sta->addr);
+	ml_peer->id = ahsta->ml_peer_id;
+	list_add(&ml_peer->list, &ah->ml_peers);
+
+	return 0;
+}
+
+int ath12k_peer_ml_delete(struct ath12k_hw *ah, struct ieee80211_sta *sta)
+{
+	struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta);
+	struct ath12k_ml_peer *ml_peer;
+
+	lockdep_assert_wiphy(ah->hw->wiphy);
+
+	if (!sta->mlo)
+		return -EINVAL;
+
+	clear_bit(ahsta->ml_peer_id, ah->free_ml_peer_id_map);
+	ahsta->ml_peer_id = ATH12K_MLO_PEER_ID_INVALID;
+
+	ml_peer = ath12k_peer_ml_find(ah, sta->addr);
+	if (!ml_peer) {
+		ath12k_hw_warn(ah, "ML peer for %pM not found", sta->addr);
+		return -EINVAL;
+	}
+
+	list_del(&ml_peer->list);
+	kfree(ml_peer);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/ath/ath12k/peer.h b/drivers/net/wireless/ath/ath12k/peer.h
index b955f0cdf598..085246ca938d 100644
--- a/drivers/net/wireless/ath/ath12k/peer.h
+++ b/drivers/net/wireless/ath/ath12k/peer.h
@@ -49,6 +49,12 @@ struct ath12k_peer {
 	bool dp_setup_done;
 };
 
+struct ath12k_ml_peer {
+	struct list_head list;
+	u8 addr[ETH_ALEN];
+	u16 id;
+};
+
 void ath12k_peer_unmap_event(struct ath12k_base *ab, u16 peer_id);
 void ath12k_peer_map_event(struct ath12k_base *ab, u8 vdev_id, u16 peer_id,
 			   u8 *mac_addr, u16 ast_hash, u16 hw_peer_id);
@@ -66,5 +72,7 @@ int ath12k_wait_for_peer_delete_done(struct ath12k *ar, u32 vdev_id,
 				     const u8 *addr);
 bool ath12k_peer_exist_by_vdev_id(struct ath12k_base *ab, int vdev_id);
 struct ath12k_peer *ath12k_peer_find_by_ast(struct ath12k_base *ab, int ast_hash);
+int ath12k_peer_ml_create(struct ath12k_hw *ah, struct ieee80211_sta *sta);
+int ath12k_peer_ml_delete(struct ath12k_hw *ah, struct ieee80211_sta *sta);
 
 #endif /* _PEER_H_ */
