diff options
Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index e855211a90f..bdedf10fc86 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -28,6 +28,29 @@ static int radios = 2; module_param(radios, int, 0444); MODULE_PARM_DESC(radios, "Number of simulated radios"); +struct hwsim_vif_priv { + u32 magic; +}; + +#define HWSIM_VIF_MAGIC 0x69537748 + +static inline void hwsim_check_magic(struct ieee80211_vif *vif) +{ + struct hwsim_vif_priv *vp = (void *)vif->drv_priv; + WARN_ON(vp->magic != HWSIM_VIF_MAGIC); +} + +static inline void hwsim_set_magic(struct ieee80211_vif *vif) +{ + struct hwsim_vif_priv *vp = (void *)vif->drv_priv; + vp->magic = HWSIM_VIF_MAGIC; +} + +static inline void hwsim_clear_magic(struct ieee80211_vif *vif) +{ + struct hwsim_vif_priv *vp = (void *)vif->drv_priv; + vp->magic = 0; +} static struct class *hwsim_class; @@ -210,6 +233,9 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb) ack = mac80211_hwsim_tx_frame(hw, skb); txi = IEEE80211_SKB_CB(skb); + + hwsim_check_magic(txi->control.vif); + memset(&txi->status, 0, sizeof(txi->status)); if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) { if (ack) @@ -246,6 +272,7 @@ static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw, printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%s)\n", wiphy_name(hw->wiphy), __func__, conf->type, print_mac(mac, conf->mac_addr)); + hwsim_set_magic(conf->vif); return 0; } @@ -257,6 +284,8 @@ static void mac80211_hwsim_remove_interface( printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%s)\n", wiphy_name(hw->wiphy), __func__, conf->type, print_mac(mac, conf->mac_addr)); + hwsim_check_magic(conf->vif); + hwsim_clear_magic(conf->vif); } @@ -267,6 +296,8 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac, struct sk_buff *skb; struct ieee80211_tx_info *info; + hwsim_check_magic(vif); + if (vif->type != NL80211_IFTYPE_AP) return; @@ -341,7 +372,28 @@ static void mac80211_hwsim_configure_filter(struct ieee80211_hw *hw, *total_flags = data->rx_filter; } +static int mac80211_hwsim_config_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_if_conf *conf) +{ + hwsim_check_magic(vif); + return 0; +} +static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u32 changed) +{ + hwsim_check_magic(vif); +} + +static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, const u8 *addr) +{ + hwsim_check_magic(vif); +} static const struct ieee80211_ops mac80211_hwsim_ops = { @@ -352,6 +404,9 @@ static const struct ieee80211_ops mac80211_hwsim_ops = .remove_interface = mac80211_hwsim_remove_interface, .config = mac80211_hwsim_config, .configure_filter = mac80211_hwsim_configure_filter, + .config_interface = mac80211_hwsim_config_interface, + .bss_info_changed = mac80211_hwsim_bss_info_changed, + .sta_notify = mac80211_hwsim_sta_notify, }; @@ -452,6 +507,9 @@ static int __init init_mac80211_hwsim(void) BIT(NL80211_IFTYPE_AP); hw->ampdu_queues = 1; + /* ask mac80211 to reserve space for magic */ + hw->vif_data_size = sizeof(struct hwsim_vif_priv); + memcpy(data->channels, hwsim_channels, sizeof(hwsim_channels)); memcpy(data->rates, hwsim_rates, sizeof(hwsim_rates)); data->band.channels = data->channels; |