2023-10-04 18:03:08

by Jeff Johnson

[permalink] [raw]
Subject: [PATCH] wifi: ath12k: Consistently use ath12k_vif_to_arvif()

Helper function ath12k_vif_to_arvif() exists to retrieve a struct
ath12k_vif from a struct ieee80211_vif. However, in multiple places
this logic is open-coded with inline typecasting. Since the
typecasting prevents the compiler from type-checking the source and
destination, update the driver to consistently use the helper
function.

No functional changes, compile tested only.

Signed-off-by: Jeff Johnson <[email protected]>
---
drivers/net/wireless/ath/ath12k/mac.c | 44 +++++++++++++++++------------------
1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index c092451f8580..59d8fff78e6d 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -523,7 +523,7 @@ static void ath12k_get_arvif_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct ath12k_vif_iter *arvif_iter = data;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);

if (arvif->vdev_id == arvif_iter->vdev_id)
arvif_iter->arvif = arvif;
@@ -1208,7 +1208,7 @@ static void ath12k_peer_assoc_h_basic(struct ath12k *ar,
struct ieee80211_sta *sta,
struct ath12k_wmi_peer_assoc_arg *arg)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
u32 aid;

lockdep_assert_held(&ar->conf_mutex);
@@ -1236,7 +1236,7 @@ static void ath12k_peer_assoc_h_crypto(struct ath12k *ar,
struct ieee80211_bss_conf *info = &vif->bss_conf;
struct cfg80211_chan_def def;
struct cfg80211_bss *bss;
- struct ath12k_vif *arvif = (struct ath12k_vif *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
const u8 *rsnie = NULL;
const u8 *wpaie = NULL;

@@ -1294,7 +1294,7 @@ static void ath12k_peer_assoc_h_rates(struct ath12k *ar,
struct ieee80211_sta *sta,
struct ath12k_wmi_peer_assoc_arg *arg)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
struct cfg80211_chan_def def;
const struct ieee80211_supported_band *sband;
@@ -1357,7 +1357,7 @@ static void ath12k_peer_assoc_h_ht(struct ath12k *ar,
struct ath12k_wmi_peer_assoc_arg *arg)
{
const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct cfg80211_chan_def def;
enum nl80211_band band;
const u8 *ht_mcs_mask;
@@ -1518,7 +1518,7 @@ static void ath12k_peer_assoc_h_vht(struct ath12k *ar,
struct ath12k_wmi_peer_assoc_arg *arg)
{
const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct cfg80211_chan_def def;
enum nl80211_band band;
const u16 *vht_mcs_mask;
@@ -1793,7 +1793,7 @@ static void ath12k_peer_assoc_h_qos(struct ath12k *ar,
struct ieee80211_sta *sta,
struct ath12k_wmi_peer_assoc_arg *arg)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);

switch (arvif->vdev_type) {
case WMI_VDEV_TYPE_AP:
@@ -1991,7 +1991,7 @@ static void ath12k_peer_assoc_h_phymode(struct ath12k *ar,
struct ieee80211_sta *sta,
struct ath12k_wmi_peer_assoc_arg *arg)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct cfg80211_chan_def def;
enum nl80211_band band;
const u8 *ht_mcs_mask;
@@ -2140,7 +2140,7 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar,
const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap;
const struct ieee80211_eht_mcs_nss_supp_20mhz_only *bw_20;
const struct ieee80211_eht_mcs_nss_supp_bw *bw;
- struct ath12k_vif *arvif = (struct ath12k_vif *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
u32 *rx_mcs, *tx_mcs;

if (!sta->deflink.he_cap.has_he || !eht_cap->has_eht)
@@ -2266,7 +2266,7 @@ static void ath12k_bss_assoc(struct ieee80211_hw *hw,
struct ieee80211_bss_conf *bss_conf)
{
struct ath12k *ar = hw->priv;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct ath12k_wmi_peer_assoc_arg peer_arg;
struct ieee80211_sta *ap_sta;
struct ath12k_peer *peer;
@@ -2360,7 +2360,7 @@ static void ath12k_bss_disassoc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ath12k *ar = hw->priv;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;

lockdep_assert_held(&ar->conf_mutex);
@@ -2407,7 +2407,7 @@ static void ath12k_recalculate_mgmt_rate(struct ath12k *ar,
struct ieee80211_vif *vif,
struct cfg80211_chan_def *def)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
const struct ieee80211_supported_band *sband;
u8 basic_rate_idx;
int hw_rate_code;
@@ -3420,7 +3420,7 @@ static int ath12k_station_disassoc(struct ath12k *ar,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;

lockdep_assert_held(&ar->conf_mutex);
@@ -3856,7 +3856,7 @@ static int ath12k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw,
struct ieee80211_sta *sta)
{
struct ath12k *ar = hw->priv;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;
s16 txpwr;

@@ -3893,7 +3893,7 @@ static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw,
{
struct ath12k *ar = hw->priv;
struct ath12k_sta *arsta = (struct ath12k_sta *)sta->drv_priv;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct ath12k_peer *peer;
u32 bw, smps;

@@ -4019,7 +4019,7 @@ static int ath12k_mac_op_conf_tx(struct ieee80211_hw *hw,
const struct ieee80211_tx_queue_params *params)
{
struct ath12k *ar = hw->priv;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct wmi_wmm_params_arg *p = NULL;
int ret;

@@ -6123,7 +6123,7 @@ ath12k_mac_update_vif_chan(struct ath12k *ar,
lockdep_assert_held(&ar->conf_mutex);

for (i = 0; i < n_vifs; i++) {
- arvif = (void *)vifs[i].vif->drv_priv;
+ arvif = ath12k_vif_to_arvif(vifs[i].vif);

if (vifs[i].vif->type == NL80211_IFTYPE_MONITOR)
monitor_vif = true;
@@ -6157,7 +6157,7 @@ ath12k_mac_update_vif_chan(struct ath12k *ar,
/* TODO: Update ar->rx_channel */

for (i = 0; i < n_vifs; i++) {
- arvif = (void *)vifs[i].vif->drv_priv;
+ arvif = ath12k_vif_to_arvif(vifs[i].vif);

if (WARN_ON(!arvif->is_started))
continue;
@@ -6271,7 +6271,7 @@ static int ath12k_start_vdev_delay(struct ieee80211_hw *hw,
{
struct ath12k *ar = hw->priv;
struct ath12k_base *ab = ar->ab;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;

if (WARN_ON(arvif->is_started))
@@ -6307,7 +6307,7 @@ ath12k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
{
struct ath12k *ar = hw->priv;
struct ath12k_base *ab = ar->ab;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;
struct ath12k_wmi_peer_create_arg param;

@@ -6386,7 +6386,7 @@ ath12k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
{
struct ath12k *ar = hw->priv;
struct ath12k_base *ab = ar->ab;
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
int ret;

mutex_lock(&ar->conf_mutex);
@@ -6749,7 +6749,7 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
- struct ath12k_vif *arvif = (void *)vif->drv_priv;
+ struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
struct cfg80211_chan_def def;
struct ath12k *ar = arvif->ar;
enum nl80211_band band;

---
base-commit: da88574f60df34727f5bf9ed4c56cf418d1d2551
change-id: 20230914-ath12k_vif_to_arvif-f7b0347a3afd


2023-10-10 07:27:31

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH] wifi: ath12k: Consistently use ath12k_vif_to_arvif()

Jeff Johnson <[email protected]> wrote:

> Helper function ath12k_vif_to_arvif() exists to retrieve a struct
> ath12k_vif from a struct ieee80211_vif. However, in multiple places
> this logic is open-coded with inline typecasting. Since the
> typecasting prevents the compiler from type-checking the source and
> destination, update the driver to consistently use the helper
> function.
>
> No functional changes, compile tested only.
>
> Signed-off-by: Jeff Johnson <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

Patch applied to ath-next branch of ath.git, thanks.

13556aef0bdc wifi: ath12k: Consistently use ath12k_vif_to_arvif()

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches