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Subject[PATCH v3 06/18] wcn36xx: Add helper macros to cast sta to priv
Date
From: Pontus Fuchs <pontus.fuchs@gmail.com>

While poking at this I also change two related things. I rename one
variable to make the names consistent. I also move one assignment of
priv_sta to the declaration to save a few lines.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/net/wireless/ath/wcn36xx/main.c | 14 ++++++--------
drivers/net/wireless/ath/wcn36xx/smd.c | 12 ++++++------
drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 6 ++++++
3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index 4781b5e8deb3..30f015d3a9e6 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -373,7 +373,7 @@ static void wcn36xx_tx(struct ieee80211_hw *hw,
struct wcn36xx_sta *sta_priv = NULL;

if (control->sta)
- sta_priv = (struct wcn36xx_sta *)control->sta->drv_priv;
+ sta_priv = wcn36xx_sta_to_priv(control->sta);

if (wcn36xx_start_tx(wcn, sta_priv, skb))
ieee80211_free_txskb(wcn->hw, skb);
@@ -518,7 +518,7 @@ static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
{
int i, size;
u16 *rates_table;
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
u32 rates = sta->supp_rates[band];

memset(&sta_priv->supported_rates, 0,
@@ -661,7 +661,7 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
rcu_read_unlock();
goto out;
}
- sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
+ sta_priv = wcn36xx_sta_to_priv(sta);

wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));

@@ -791,7 +791,7 @@ static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
{
struct wcn36xx *wcn = hw->priv;
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n",
vif, sta->addr);

@@ -816,7 +816,7 @@ static int wcn36xx_sta_remove(struct ieee80211_hw *hw,
{
struct wcn36xx *wcn = hw->priv;
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);

wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n",
vif, sta->addr, sta_priv->sta_index);
@@ -858,7 +858,7 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_ampdu_params *params)
{
struct wcn36xx *wcn = hw->priv;
- struct wcn36xx_sta *sta_priv = NULL;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta);
struct ieee80211_sta *sta = params->sta;
enum ieee80211_ampdu_mlme_action action = params->action;
u16 tid = params->tid;
@@ -867,8 +867,6 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n",
action, tid);

- sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
-
switch (action) {
case IEEE80211_AMPDU_RX_START:
sta_priv->tid = tid;
diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 6d4aa9250ca8..ff56138528b6 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -192,7 +192,7 @@ static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn,
struct wcn36xx_hal_config_sta_params *sta_params)
{
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
- struct wcn36xx_sta *priv_sta = NULL;
+ struct wcn36xx_sta *sta_priv = NULL;
if (vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_MESH_POINT) {
@@ -228,17 +228,17 @@ static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn,
sta_params->p2p = 0;

if (sta) {
- priv_sta = (struct wcn36xx_sta *)sta->drv_priv;
+ sta_priv = wcn36xx_sta_to_priv(sta);
if (NL80211_IFTYPE_STATION == vif->type)
memcpy(&sta_params->bssid, sta->addr, ETH_ALEN);
else
memcpy(&sta_params->mac, sta->addr, ETH_ALEN);
sta_params->wmm_enabled = sta->wme;
sta_params->max_sp_len = sta->max_sp;
- sta_params->aid = priv_sta->aid;
+ sta_params->aid = sta_priv->aid;
wcn36xx_smd_set_sta_ht_params(sta, sta_params);
- memcpy(&sta_params->supported_rates, &priv_sta->supported_rates,
- sizeof(priv_sta->supported_rates));
+ memcpy(&sta_params->supported_rates, &sta_priv->supported_rates,
+ sizeof(sta_priv->supported_rates));
} else {
wcn36xx_set_default_rates(&sta_params->supported_rates);
wcn36xx_smd_set_sta_default_ht_params(sta_params);
@@ -969,7 +969,7 @@ static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
{
struct wcn36xx_hal_config_sta_rsp_msg *rsp;
struct config_sta_rsp_params *params;
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);

if (len < sizeof(*rsp))
return -EINVAL;
diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
index c3ba07ed1db5..c368a34c8de7 100644
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -275,4 +275,10 @@ struct ieee80211_vif *wcn36xx_priv_to_vif(struct wcn36xx_vif *vif_priv)
return container_of((void *) vif_priv, struct ieee80211_vif, drv_priv);
}

+static inline
+struct wcn36xx_sta *wcn36xx_sta_to_priv(struct ieee80211_sta *sta)
+{
+ return (struct wcn36xx_sta *)sta->drv_priv;
+}
+
#endif /* _WCN36XX_H_ */
--
2.5.0
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