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authorAbhijeet Kolekar <abhijeet.kolekar@intel.com>2008-09-03 11:26:21 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-09-08 14:23:13 -0400
commitcd56d3313dedaf68ec393974339edaacab74f82f (patch)
treede2ee2db5f072af17286879e7af571b823cff276 /drivers/net
parent701b9cb37bae3d50dbe5f345a7cdbd2648bf7df6 (diff)
iwlwifi : Added bss_info_changed callback to 3945
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c74
1 files changed, 68 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index cee3045f160..7e3e5bfed68 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -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
};