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lede/package/kernel/mac80211/patches/ath11k/0031-wifi-ath11k-Introduce-and-use-ath11k_sta_to_arsta.patch
Robert Marko 13dcba04ef mac80211: update to version 6.6.15 
Update backports to the latest 6.6 point release.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2025-06-02 20:20:15 +08:00

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From 10c65f97b424fcee439463f933140df2a0022f98 Mon Sep 17 00:00:00 2001
From: Jeff Johnson <quic_jjohnson@quicinc.com>
Date: Mon, 9 Oct 2023 09:39:42 -0700
Subject: [PATCH] wifi: ath11k: Introduce and use ath11k_sta_to_arsta()
Currently, the logic to return an ath11k_sta pointer, given a
ieee80211_sta pointer, uses typecasting throughout the driver. In
general, conversion functions are preferable to typecasting since
using a conversion function allows the compiler to validate the types
of both the input and output parameters.
ath11k already defines a conversion function ath11k_vif_to_arvif() for
a similar conversion. So introduce ath11k_sta_to_arsta() for this use
case, and convert all of the existing typecasting to use this
function.
No functional changes, compile tested only.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20231009-ath11k_sta_to_arsta-v1-1-1563e3a307e8@quicinc.com
---
drivers/net/wireless/ath/ath11k/core.h | 5 ++++
drivers/net/wireless/ath/ath11k/debugfs.c | 4 +--
drivers/net/wireless/ath/ath11k/debugfs_sta.c | 30 +++++++++----------
drivers/net/wireless/ath/ath11k/dp_rx.c | 8 ++---
drivers/net/wireless/ath/ath11k/dp_tx.c | 4 +--
drivers/net/wireless/ath/ath11k/mac.c | 18 +++++------
drivers/net/wireless/ath/ath11k/peer.c | 2 +-
drivers/net/wireless/ath/ath11k/wmi.c | 6 ++--
8 files changed, 41 insertions(+), 36 deletions(-)
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -1223,6 +1223,11 @@ static inline struct ath11k_vif *ath11k_
return (struct ath11k_vif *)vif->drv_priv;
}
+static inline struct ath11k_sta *ath11k_sta_to_arsta(struct ieee80211_sta *sta)
+{
+ return (struct ath11k_sta *)sta->drv_priv;
+}
+
static inline struct ath11k *ath11k_ab_to_ar(struct ath11k_base *ab,
int mac_id)
{
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -1459,7 +1459,7 @@ static void ath11k_reset_peer_ps_duratio
struct ieee80211_sta *sta)
{
struct ath11k *ar = data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
spin_lock_bh(&ar->data_lock);
arsta->ps_total_duration = 0;
@@ -1510,7 +1510,7 @@ static void ath11k_peer_ps_state_disable
struct ieee80211_sta *sta)
{
struct ath11k *ar = data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
spin_lock_bh(&ar->data_lock);
arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;
--- a/drivers/net/wireless/ath/ath11k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
@@ -136,7 +136,7 @@ static ssize_t ath11k_dbg_sta_dump_tx_st
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
struct ath11k_htt_data_stats *stats;
static const char *str_name[ATH11K_STATS_TYPE_MAX] = {"succ", "fail",
@@ -243,7 +243,7 @@ static ssize_t ath11k_dbg_sta_dump_rx_st
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
struct ath11k_rx_peer_stats *rx_stats = arsta->rx_stats;
int len = 0, i, retval = 0;
@@ -340,7 +340,7 @@ static int
ath11k_dbg_sta_open_htt_peer_stats(struct inode *inode, struct file *file)
{
struct ieee80211_sta *sta = inode->i_private;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
struct debug_htt_stats_req *stats_req;
int type = ar->debug.htt_stats.type;
@@ -376,7 +376,7 @@ static int
ath11k_dbg_sta_release_htt_peer_stats(struct inode *inode, struct file *file)
{
struct ieee80211_sta *sta = inode->i_private;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
mutex_lock(&ar->conf_mutex);
@@ -413,7 +413,7 @@ static ssize_t ath11k_dbg_sta_write_peer
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
int ret, enable;
@@ -453,7 +453,7 @@ static ssize_t ath11k_dbg_sta_read_peer_
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
char buf[32] = {0};
int len;
@@ -480,7 +480,7 @@ static ssize_t ath11k_dbg_sta_write_delb
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
u32 tid, initiator, reason;
int ret;
@@ -531,7 +531,7 @@ static ssize_t ath11k_dbg_sta_write_addb
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
u32 tid, status;
int ret;
@@ -581,7 +581,7 @@ static ssize_t ath11k_dbg_sta_write_addb
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
u32 tid, buf_size;
int ret;
@@ -632,7 +632,7 @@ static ssize_t ath11k_dbg_sta_read_aggr_
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
char buf[64];
int len = 0;
@@ -652,7 +652,7 @@ static ssize_t ath11k_dbg_sta_write_aggr
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
u32 aggr_mode;
int ret;
@@ -697,7 +697,7 @@ ath11k_write_htt_peer_stats_reset(struct
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
struct htt_ext_stats_cfg_params cfg_params = { 0 };
int ret;
@@ -756,7 +756,7 @@ static ssize_t ath11k_dbg_sta_read_peer_
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
char buf[20];
int len;
@@ -783,7 +783,7 @@ static ssize_t ath11k_dbg_sta_read_curre
loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
u64 time_since_station_in_power_save;
char buf[20];
@@ -817,7 +817,7 @@ static ssize_t ath11k_dbg_sta_read_total
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
char buf[20];
u64 power_save_duration;
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -1099,7 +1099,7 @@ int ath11k_dp_rx_ampdu_start(struct ath1
struct ieee80211_ampdu_params *params)
{
struct ath11k_base *ab = ar->ab;
- struct ath11k_sta *arsta = (void *)params->sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(params->sta);
int vdev_id = arsta->arvif->vdev_id;
int ret;
@@ -1117,7 +1117,7 @@ int ath11k_dp_rx_ampdu_stop(struct ath11
{
struct ath11k_base *ab = ar->ab;
struct ath11k_peer *peer;
- struct ath11k_sta *arsta = (void *)params->sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(params->sta);
int vdev_id = arsta->arvif->vdev_id;
dma_addr_t paddr;
bool active;
@@ -1456,7 +1456,7 @@ ath11k_update_per_peer_tx_stats(struct a
}
sta = peer->sta;
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
memset(&arsta->txrate, 0, sizeof(arsta->txrate));
@@ -5248,7 +5248,7 @@ int ath11k_dp_rx_process_mon_status(stru
goto next_skb;
}
- arsta = (struct ath11k_sta *)peer->sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(peer->sta);
ath11k_dp_rx_update_peer_stats(arsta, ppdu_info);
if (ath11k_debugfs_is_pktlog_peer_valid(ar, peer->addr))
--- a/drivers/net/wireless/ath/ath11k/dp_tx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_tx.c
@@ -467,7 +467,7 @@ void ath11k_dp_tx_update_txcompl(struct
}
sta = peer->sta;
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
memset(&arsta->txrate, 0, sizeof(arsta->txrate));
pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
@@ -627,7 +627,7 @@ static void ath11k_dp_tx_complete_msdu(s
ieee80211_free_txskb(ar->hw, msdu);
return;
}
- arsta = (struct ath11k_sta *)peer->sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(peer->sta);
status.sta = peer->sta;
status.skb = msdu;
status.info = info;
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -2832,7 +2832,7 @@ static void ath11k_peer_assoc_prepare(st
lockdep_assert_held(&ar->conf_mutex);
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
memset(arg, 0, sizeof(*arg));
@@ -4313,7 +4313,7 @@ static int ath11k_mac_op_set_key(struct
ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr);
if (sta) {
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
@@ -4904,7 +4904,7 @@ static int ath11k_mac_station_add(struct
{
struct ath11k_base *ab = ar->ab;
struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct peer_create_params peer_param;
int ret;
@@ -5028,7 +5028,7 @@ static int ath11k_mac_op_sta_state(struc
{
struct ath11k *ar = hw->priv;
struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k_peer *peer;
int ret = 0;
@@ -5194,7 +5194,7 @@ static void ath11k_mac_op_sta_set_4addr(
struct ieee80211_sta *sta, bool enabled)
{
struct ath11k *ar = hw->priv;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
if (enabled && !arsta->use_4addr_set) {
ieee80211_queue_work(ar->hw, &arsta->set_4addr_wk);
@@ -5208,7 +5208,7 @@ static void ath11k_mac_op_sta_rc_update(
u32 changed)
{
struct ath11k *ar = hw->priv;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
struct ath11k_peer *peer;
u32 bw, smps;
@@ -6201,7 +6201,7 @@ static void ath11k_mac_op_tx(struct ieee
}
if (control->sta)
- arsta = (struct ath11k_sta *)control->sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(control->sta);
ret = ath11k_dp_tx(ar, arvif, arsta, skb);
if (unlikely(ret)) {
@@ -8233,7 +8233,7 @@ static void ath11k_mac_set_bitrate_mask_
struct ieee80211_sta *sta)
{
struct ath11k_vif *arvif = data;
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arvif->ar;
spin_lock_bh(&ar->data_lock);
@@ -8637,7 +8637,7 @@ static void ath11k_mac_op_sta_statistics
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
- struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta);
struct ath11k *ar = arsta->arvif->ar;
s8 signal;
bool db2dbm = test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
--- a/drivers/net/wireless/ath/ath11k/peer.c
+++ b/drivers/net/wireless/ath/ath11k/peer.c
@@ -446,7 +446,7 @@ int ath11k_peer_create(struct ath11k *ar
peer->sec_type_grp = HAL_ENCRYPT_TYPE_OPEN;
if (sta) {
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
arsta->tcl_metadata |= FIELD_PREP(HTT_TCL_META_DATA_TYPE, 0) |
FIELD_PREP(HTT_TCL_META_DATA_PEER_ID,
peer->peer_id);
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -6453,7 +6453,7 @@ static int ath11k_wmi_tlv_rssi_chain_par
goto exit;
}
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
BUILD_BUG_ON(ARRAY_SIZE(arsta->chain_signal) >
ARRAY_SIZE(stats_rssi->rssi_avg_beacon));
@@ -6541,7 +6541,7 @@ static int ath11k_wmi_tlv_fw_stats_data_
arvif->bssid,
NULL);
if (sta) {
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
arsta->rssi_beacon = src->beacon_snr;
ath11k_dbg(ab, ATH11K_DBG_WMI,
"stats vdev id %d snr %d\n",
@@ -7468,7 +7468,7 @@ static void ath11k_wmi_event_peer_sta_ps
goto exit;
}
- arsta = (struct ath11k_sta *)sta->drv_priv;
+ arsta = ath11k_sta_to_arsta(sta);
spin_lock_bh(&ar->data_lock);
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