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yaml
---
r: 111708
b: refs/heads/master
c: 81c0652
h: refs/heads/master
v: v3
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Johannes Berg authored and John W. Linville committed Sep 15, 2008
1 parent 4bdf418 commit 1baa29d
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Showing 2 changed files with 45 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 17741cdc264e4d768167766a252210e201c1519a
refs/heads/master: 81c065238644ade3869391f977438ff7ed3158db
44 changes: 44 additions & 0 deletions trunk/drivers/net/wireless/mac80211_hwsim.c
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,30 @@ static inline void hwsim_clear_magic(struct ieee80211_vif *vif)
vp->magic = 0;
}

struct hwsim_sta_priv {
u32 magic;
};

#define HWSIM_STA_MAGIC 0x6d537748

static inline void hwsim_check_sta_magic(struct ieee80211_sta *sta)
{
struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
WARN_ON(sp->magic != HWSIM_VIF_MAGIC);
}

static inline void hwsim_set_sta_magic(struct ieee80211_sta *sta)
{
struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
sp->magic = HWSIM_VIF_MAGIC;
}

static inline void hwsim_clear_sta_magic(struct ieee80211_sta *sta)
{
struct hwsim_sta_priv *sp = (void *)sta->drv_priv;
sp->magic = 0;
}

static struct class *hwsim_class;

static struct ieee80211_hw **hwsim_radios;
Expand Down Expand Up @@ -235,6 +259,8 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
txi = IEEE80211_SKB_CB(skb);

hwsim_check_magic(txi->control.vif);
if (txi->control.sta)
hwsim_check_sta_magic(txi->control.sta);

memset(&txi->status, 0, sizeof(txi->status));
if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
Expand Down Expand Up @@ -394,6 +420,22 @@ static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw,
struct ieee80211_sta *sta)
{
hwsim_check_magic(vif);
switch (cmd) {
case STA_NOTIFY_ADD:
hwsim_set_sta_magic(sta);
break;
case STA_NOTIFY_REMOVE:
hwsim_clear_sta_magic(sta);
break;
}
}

static int mac80211_hwsim_set_tim(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
bool set)
{
hwsim_check_sta_magic(sta);
return 0;
}

static const struct ieee80211_ops mac80211_hwsim_ops =
Expand All @@ -408,6 +450,7 @@ static const struct ieee80211_ops mac80211_hwsim_ops =
.config_interface = mac80211_hwsim_config_interface,
.bss_info_changed = mac80211_hwsim_bss_info_changed,
.sta_notify = mac80211_hwsim_sta_notify,
.set_tim = mac80211_hwsim_set_tim,
};


Expand Down Expand Up @@ -510,6 +553,7 @@ static int __init init_mac80211_hwsim(void)

/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
hw->sta_data_size = sizeof(struct hwsim_sta_priv);

memcpy(data->channels, hwsim_channels, sizeof(hwsim_channels));
memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates));
Expand Down

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