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-rw-r--r--drivers/net/wireless/ath/ath12k/core.h13
-rw-r--r--drivers/net/wireless/ath/ath12k/mac.c2
-rw-r--r--drivers/net/wireless/ath/ath12k/peer.c98
-rw-r--r--drivers/net/wireless/ath/ath12k/peer.h8
4 files changed, 121 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index e084e231f753..7324dae3fcb8 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,
@@ -496,6 +503,7 @@ 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
@@ -703,6 +711,11 @@ 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 5b8d4aa0eefd..61d05ffa364a 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -5091,6 +5091,7 @@ 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();
@@ -10110,6 +10111,7 @@ 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_ */
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-26 18:25:56 +0000