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iwlwifi : Added bss_info_changed callback to 3945

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Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Abhijeet Kolekar 2008-09-03 11:26:21 +08:00 committed by John W. Linville
parent 701b9cb37b
commit cd56d3313d
1 changed files with 68 additions and 6 deletions
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74
drivers/net/wireless/iwlwifi/iwl3945-base.c
View file

@ -6320,11 +6320,8 @@ static void iwl3945_bg_rx_replenish(struct work_struct *data)
#define IWL_DELAY_NEXT_SCAN (HZ*2)
static void iwl3945_bg_post_associate(struct work_struct *data)
static void iwl3945_post_associate(struct iwl3945_priv *priv)
{
struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv,
post_associate.work);
int rc = 0;
struct ieee80211_conf *conf = NULL;
DECLARE_MAC_BUF(mac);
@ -6342,8 +6339,6 @@ static void iwl3945_bg_post_associate(struct work_struct *data)
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
mutex_lock(&priv->mutex);
if (!priv->vif || !priv->is_open) {
mutex_unlock(&priv->mutex);
return;
@ -6419,6 +6414,15 @@ static void iwl3945_bg_post_associate(struct work_struct *data)
/* we have just associated, don't start scan too early */
priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN;
}
static void iwl3945_bg_post_associate(struct work_struct *data)
{
struct iwl3945_priv *priv = container_of(data, struct iwl3945_priv,
post_associate.work);
mutex_lock(&priv->mutex);
iwl3945_post_associate(priv);
mutex_unlock(&priv->mutex);
}
@ -6948,6 +6952,63 @@ static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211("leave\n");
}
#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
static void iwl3945_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct iwl3945_priv *priv = hw->priv;
IWL_DEBUG_MAC80211("changes = 0x%X\n", changes);
if (changes & BSS_CHANGED_ERP_PREAMBLE) {
IWL_DEBUG_MAC80211("ERP_PREAMBLE %d\n",
bss_conf->use_short_preamble);
if (bss_conf->use_short_preamble)
priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
}
if (changes & BSS_CHANGED_ERP_CTS_PROT) {
IWL_DEBUG_MAC80211("ERP_CTS %d\n", bss_conf->use_cts_prot);
if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
}
if (changes & BSS_CHANGED_ASSOC) {
IWL_DEBUG_MAC80211("ASSOC %d\n", bss_conf->assoc);
/* This should never happen as this function should
* never be called from interrupt context. */
if (WARN_ON_ONCE(in_interrupt()))
return;
if (bss_conf->assoc) {
priv->assoc_id = bss_conf->aid;
priv->beacon_int = bss_conf->beacon_int;
priv->timestamp0 = bss_conf->timestamp & 0xFFFFFFFF;
priv->timestamp1 = (bss_conf->timestamp >> 32) &
0xFFFFFFFF;
priv->assoc_capability = bss_conf->assoc_capability;
priv->next_scan_jiffies = jiffies +
IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
mutex_lock(&priv->mutex);
iwl3945_post_associate(priv);
mutex_unlock(&priv->mutex);
} else {
priv->assoc_id = 0;
IWL_DEBUG_MAC80211("DISASSOC %d\n", bss_conf->assoc);
}
} else if (changes && iwl3945_is_associated(priv) && priv->assoc_id) {
IWL_DEBUG_MAC80211("Associated Changes %d\n", changes);
iwl3945_send_rxon_assoc(priv);
}
}
static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
{
int rc = 0;
@ -7828,6 +7889,7 @@ static struct ieee80211_ops iwl3945_hw_ops = {
.conf_tx = iwl3945_mac_conf_tx,
.get_tsf = iwl3945_mac_get_tsf,
.reset_tsf = iwl3945_mac_reset_tsf,
.bss_info_changed = iwl3945_bss_info_changed,
.hw_scan = iwl3945_mac_hw_scan
};