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@@ -0,0 +1,316 @@
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+From 9476cda44c136089f14f8951ae5197d63e91735c Mon Sep 17 00:00:00 2001
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+From: Jeff Johnson <[email protected]>
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+Date: Mon, 21 Aug 2023 07:13:36 -0700
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+Subject: [PATCH] wifi: ath11k: Consistently use ath11k_vif_to_arvif()
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+
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+Helper function ath11k_vif_to_arvif() exists to retrieve a struct
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+ath11k_vif from a struct ieee80211_vif. However, in multiple places
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+this logic is open-coded with inline typecasting. Since the
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+typecasting prevents the compiler from type-checking the source and
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+destination, update the driver to consistently use the helper
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+function.
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+
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+No functional changes, compile tested only.
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+
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+Signed-off-by: Jeff Johnson <[email protected]>
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+Signed-off-by: Kalle Valo <[email protected]>
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+Link: https://lore.kernel.org/r/[email protected]
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+---
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+ drivers/net/wireless/ath/ath11k/mac.c | 64 +++++++++++-----------
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+ drivers/net/wireless/ath/ath11k/testmode.c | 2 +-
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+ 2 files changed, 33 insertions(+), 33 deletions(-)
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+
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+--- a/drivers/net/wireless/ath/ath11k/mac.c
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++++ b/drivers/net/wireless/ath/ath11k/mac.c
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+@@ -566,7 +566,7 @@ static void ath11k_get_arvif_iter(void *
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+ struct ieee80211_vif *vif)
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+ {
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+ struct ath11k_vif_iter *arvif_iter = data;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+
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+ if (arvif->vdev_id == arvif_iter->vdev_id)
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+ arvif_iter->arvif = arvif;
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+@@ -1464,7 +1464,7 @@ static int ath11k_mac_setup_bcn_tmpl_ema
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+ u32 params = 0;
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+ u8 i = 0;
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+
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+- tx_arvif = (void *)arvif->vif->mbssid_tx_vif->drv_priv;
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++ tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);
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+
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+ beacons = ieee80211_beacon_get_template_ema_list(tx_arvif->ar->hw,
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+ tx_arvif->vif, 0);
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+@@ -1520,8 +1520,8 @@ static int ath11k_mac_setup_bcn_tmpl_mbs
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+ struct sk_buff *bcn;
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+ int ret;
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+
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+- if (arvif->vif->mbssid_tx_vif) {
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+- tx_arvif = (void *)arvif->vif->mbssid_tx_vif->drv_priv;
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++ if (vif->mbssid_tx_vif) {
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++ tx_arvif = ath11k_vif_to_arvif(vif->mbssid_tx_vif);
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+ if (tx_arvif != arvif) {
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+ ar = tx_arvif->ar;
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+ ab = ar->ab;
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+@@ -1562,7 +1562,7 @@ static int ath11k_mac_setup_bcn_tmpl(str
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+ * non-transmitting interfaces, and results in a crash if sent.
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+ */
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+ if (vif->mbssid_tx_vif &&
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+- arvif != (void *)vif->mbssid_tx_vif->drv_priv && arvif->is_up)
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++ arvif != ath11k_vif_to_arvif(vif->mbssid_tx_vif) && arvif->is_up)
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+ return 0;
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+
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+ if (vif->bss_conf.ema_ap && vif->mbssid_tx_vif)
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+@@ -1626,7 +1626,7 @@ static void ath11k_control_beaconing(str
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+ ether_addr_copy(arvif->bssid, info->bssid);
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+
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+ if (arvif->vif->mbssid_tx_vif)
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+- tx_arvif = (struct ath11k_vif *)arvif->vif->mbssid_tx_vif->drv_priv;
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++ tx_arvif = ath11k_vif_to_arvif(arvif->vif->mbssid_tx_vif);
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+
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+ ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
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+ arvif->bssid,
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+@@ -1649,7 +1649,7 @@ static void ath11k_mac_handle_beacon_ite
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+ {
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+ struct sk_buff *skb = data;
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+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+
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+ if (vif->type != NL80211_IFTYPE_STATION)
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+ return;
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+@@ -1672,7 +1672,7 @@ static void ath11k_mac_handle_beacon_mis
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+ struct ieee80211_vif *vif)
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+ {
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+ u32 *vdev_id = data;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct ath11k *ar = arvif->ar;
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+ struct ieee80211_hw *hw = ar->hw;
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+
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+@@ -1718,7 +1718,7 @@ static void ath11k_peer_assoc_h_basic(st
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+ struct ieee80211_sta *sta,
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+ struct peer_assoc_params *arg)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ u32 aid;
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+
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+ lockdep_assert_held(&ar->conf_mutex);
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+@@ -1746,7 +1746,7 @@ static void ath11k_peer_assoc_h_crypto(s
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+ struct ieee80211_bss_conf *info = &vif->bss_conf;
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+ struct cfg80211_chan_def def;
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+ struct cfg80211_bss *bss;
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+- struct ath11k_vif *arvif = (struct ath11k_vif *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ const u8 *rsnie = NULL;
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+ const u8 *wpaie = NULL;
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+
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+@@ -1804,7 +1804,7 @@ static void ath11k_peer_assoc_h_rates(st
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+ struct ieee80211_sta *sta,
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+ struct peer_assoc_params *arg)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
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+ struct cfg80211_chan_def def;
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+ const struct ieee80211_supported_band *sband;
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+@@ -1867,7 +1867,7 @@ static void ath11k_peer_assoc_h_ht(struc
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+ struct peer_assoc_params *arg)
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+ {
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+ const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct cfg80211_chan_def def;
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+ enum nl80211_band band;
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+ const u8 *ht_mcs_mask;
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+@@ -2064,7 +2064,7 @@ static void ath11k_peer_assoc_h_vht(stru
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+ struct peer_assoc_params *arg)
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+ {
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+ const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct cfg80211_chan_def def;
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+ enum nl80211_band band;
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+ u16 *vht_mcs_mask;
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+@@ -2261,7 +2261,7 @@ static void ath11k_peer_assoc_h_he(struc
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+ struct ieee80211_sta *sta,
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+ struct peer_assoc_params *arg)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct cfg80211_chan_def def;
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+ const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
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+ enum nl80211_band band;
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+@@ -2584,7 +2584,7 @@ static void ath11k_peer_assoc_h_qos(stru
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+ struct ieee80211_sta *sta,
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+ struct peer_assoc_params *arg)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+
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+ switch (arvif->vdev_type) {
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+ case WMI_VDEV_TYPE_AP:
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+@@ -2747,7 +2747,7 @@ static void ath11k_peer_assoc_h_phymode(
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+ struct ieee80211_sta *sta,
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+ struct peer_assoc_params *arg)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct cfg80211_chan_def def;
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+ enum nl80211_band band;
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+ const u8 *ht_mcs_mask;
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+@@ -2933,7 +2933,7 @@ static bool ath11k_mac_vif_recalc_sta_he
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+ struct ieee80211_vif *vif,
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+ struct ieee80211_sta_he_cap *he_cap)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct ieee80211_he_cap_elem he_cap_elem = {0};
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+ struct ieee80211_sta_he_cap *cap_band = NULL;
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+ struct cfg80211_chan_def def;
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+@@ -2995,7 +2995,7 @@ static void ath11k_bss_assoc(struct ieee
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+ struct ieee80211_bss_conf *bss_conf)
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+ {
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+ struct ath11k *ar = hw->priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct peer_assoc_params peer_arg;
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+ struct ieee80211_sta *ap_sta;
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+ struct ath11k_peer *peer;
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+@@ -3111,7 +3111,7 @@ static void ath11k_bss_disassoc(struct i
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+ struct ieee80211_vif *vif)
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+ {
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+ struct ath11k *ar = hw->priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ int ret;
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+
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+ lockdep_assert_held(&ar->conf_mutex);
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+@@ -3160,7 +3160,7 @@ static void ath11k_recalculate_mgmt_rate
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+ struct ieee80211_vif *vif,
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+ struct cfg80211_chan_def *def)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ const struct ieee80211_supported_band *sband;
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+ u8 basic_rate_idx;
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+ int hw_rate_code;
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+@@ -4632,7 +4632,7 @@ static int ath11k_station_disassoc(struc
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+ struct ieee80211_vif *vif,
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+ struct ieee80211_sta *sta)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ int ret = 0;
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+
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+ lockdep_assert_held(&ar->conf_mutex);
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+@@ -5160,7 +5160,7 @@ static int ath11k_mac_op_sta_set_txpwr(s
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+ struct ieee80211_sta *sta)
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+ {
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+ struct ath11k *ar = hw->priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ int ret = 0;
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+ s16 txpwr;
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+
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+@@ -5210,7 +5210,7 @@ static void ath11k_mac_op_sta_rc_update(
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+ {
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+ struct ath11k *ar = hw->priv;
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+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct ath11k_peer *peer;
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+ u32 bw, smps;
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+
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+@@ -5337,7 +5337,7 @@ static int ath11k_mac_op_conf_tx(struct
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+ const struct ieee80211_tx_queue_params *params)
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+ {
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+ struct ath11k *ar = hw->priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct wmi_wmm_params_arg *p = NULL;
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+ int ret;
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+
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+@@ -6455,7 +6455,7 @@ static int ath11k_mac_setup_vdev_params_
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+ return 0;
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+ }
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+
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+- tx_arvif = (void *)tx_vif->drv_priv;
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++ tx_arvif = ath11k_vif_to_arvif(tx_vif);
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+
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+ if (arvif->vif->bss_conf.nontransmitted) {
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+ if (ar->hw->wiphy != ieee80211_vif_to_wdev(tx_vif)->wiphy)
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+@@ -7408,7 +7408,7 @@ ath11k_mac_update_vif_chan(struct ath11k
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+ /* TODO: Update ar->rx_channel */
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+
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+ for (i = 0; i < n_vifs; i++) {
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+- arvif = (void *)vifs[i].vif->drv_priv;
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++ arvif = ath11k_vif_to_arvif(vifs[i].vif);
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+
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+ if (WARN_ON(!arvif->is_started))
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+ continue;
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+@@ -7450,7 +7450,7 @@ ath11k_mac_update_vif_chan(struct ath11k
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+
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+ mbssid_tx_vif = arvif->vif->mbssid_tx_vif;
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+ if (mbssid_tx_vif)
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+- tx_arvif = (struct ath11k_vif *)mbssid_tx_vif->drv_priv;
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++ tx_arvif = ath11k_vif_to_arvif(mbssid_tx_vif);
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+
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+ ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
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+ arvif->bssid,
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+@@ -7546,7 +7546,7 @@ static int ath11k_start_vdev_delay(struc
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+ {
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+ struct ath11k *ar = hw->priv;
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+ struct ath11k_base *ab = ar->ab;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ int ret;
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+
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+ if (WARN_ON(arvif->is_started))
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+@@ -7596,7 +7596,7 @@ ath11k_mac_op_assign_vif_chanctx(struct
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+ {
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+ struct ath11k *ar = hw->priv;
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+ struct ath11k_base *ab = ar->ab;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ int ret;
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+ struct peer_create_params param;
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+
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+@@ -7686,7 +7686,7 @@ ath11k_mac_op_unassign_vif_chanctx(struc
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+ {
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+ struct ath11k *ar = hw->priv;
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+ struct ath11k_base *ab = ar->ab;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct ath11k_peer *peer;
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+ int ret;
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+
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+@@ -8307,7 +8307,7 @@ ath11k_mac_op_set_bitrate_mask(struct ie
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+ struct ieee80211_vif *vif,
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+ const struct cfg80211_bitrate_mask *mask)
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+ {
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct cfg80211_chan_def def;
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+ struct ath11k_pdev_cap *cap;
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+ struct ath11k *ar = arvif->ar;
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+@@ -8904,7 +8904,7 @@ static int ath11k_mac_op_remain_on_chann
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+ enum ieee80211_roc_type type)
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+ {
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+ struct ath11k *ar = hw->priv;
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+- struct ath11k_vif *arvif = (void *)vif->drv_priv;
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++ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
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+ struct scan_req_params arg;
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+ int ret;
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+ u32 scan_time_msec;
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+--- a/drivers/net/wireless/ath/ath11k/testmode.c
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++++ b/drivers/net/wireless/ath/ath11k/testmode.c
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+@@ -350,7 +350,7 @@ static int ath11k_tm_cmd_wmi(struct ath1
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+ if (ar->ab->fw_mode != ATH11K_FIRMWARE_MODE_FTM &&
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+ (tag == WMI_TAG_VDEV_SET_PARAM_CMD || tag == WMI_TAG_UNIT_TEST_CMD)) {
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+ if (vif) {
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+- arvif = (struct ath11k_vif *)vif->drv_priv;
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++ arvif = ath11k_vif_to_arvif(vif);
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+ *ptr = arvif->vdev_id;
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+ } else {
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+ ret = -EINVAL;
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