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Commit cd56d331 authored by Abhijeet Kolekar's avatar Abhijeet Kolekar Committed by John W. Linville
Browse files

iwlwifi : Added bss_info_changed callback to 3945 



Signed-off-by: default avatarAbhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: default avatarZhu Yi <yi.zhu@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 701b9cb3

drivers/net/wireless/iwlwifi/iwl3945-base.c

+68 −6
Original line number Diff line number Diff line
@@ -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

};