From cd56d3313dedaf68ec393974339edaacab74f82f Mon Sep 17 00:00:00 2001 From: Abhijeet Kolekar Date: Wed, 3 Sep 2008 11:26:21 +0800 Subject: [PATCH] iwlwifi : Added bss_info_changed callback to 3945 Signed-off-by: Abhijeet Kolekar Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 74 ++++++++++++++++++++++++++--- 1 file changed, 68 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index cee3045..7e3e5bf 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 }; -- 2.7.4