From e9dde6f6edf9954e2c75d2d738cae0f00e9b0fbc Mon Sep 17 00:00:00 2001 From: Abhijeet Kolekar Date: Wed, 18 Feb 2009 15:54:27 -0800 Subject: [PATCH] iwl3945: use iwl_mac_hw_scan callback 3945 can use iwl_mac_hw_scan callback instead of iwl3945_mac_hw_scan callback. Signed-off-by: Abhijeet Kolekar Acked-by: Samuel Ortiz Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn.c | 65 -------------- drivers/net/wireless/iwlwifi/iwl-core.h | 1 + drivers/net/wireless/iwlwifi/iwl-scan.c | 68 +++++++++++++++ drivers/net/wireless/iwlwifi/iwl3945-base.c | 94 +-------------------- 4 files changed, 70 insertions(+), 158 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index ad310050e298..e6168672a534 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2677,71 +2677,6 @@ static void iwl_bss_info_changed(struct ieee80211_hw *hw, } -static int iwl_mac_hw_scan(struct ieee80211_hw *hw, - struct cfg80211_scan_request *req) -{ - unsigned long flags; - struct iwl_priv *priv = hw->priv; - int ret; - u8 *ssid = NULL; - size_t ssid_len = 0; - - if (req->n_ssids) { - ssid = req->ssids[0].ssid; - ssid_len = req->ssids[0].ssid_len; - } - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->mutex); - spin_lock_irqsave(&priv->lock, flags); - - if (!iwl_is_ready_rf(priv)) { - ret = -EIO; - IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n"); - goto out_unlock; - } - - /* We don't schedule scan within next_scan_jiffies period. - * Avoid scanning during possible EAPOL exchange, return - * success immediately. - */ - if (priv->next_scan_jiffies && - time_after(priv->next_scan_jiffies, jiffies)) { - IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n"); - queue_work(priv->workqueue, &priv->scan_completed); - ret = 0; - goto out_unlock; - } - - /* if we just finished scan ask for delay */ - if (iwl_is_associated(priv) && priv->last_scan_jiffies && - time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) { - IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n"); - queue_work(priv->workqueue, &priv->scan_completed); - ret = 0; - goto out_unlock; - } - - if (ssid_len) { - priv->one_direct_scan = 1; - priv->direct_ssid_len = ssid_len; - memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len); - } else { - priv->one_direct_scan = 0; - } - - ret = iwl_scan_initiate(priv); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -out_unlock: - spin_unlock_irqrestore(&priv->lock, flags); - mutex_unlock(&priv->mutex); - - return ret; -} - static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw, struct ieee80211_key_conf *keyconf, const u8 *addr, u32 iv32, u16 *phase1key) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 10ee20c8b53d..f3aa07c99c6e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -345,6 +345,7 @@ void iwl_init_scan_params(struct iwl_priv *priv); int iwl_scan_cancel(struct iwl_priv *priv); int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); int iwl_scan_initiate(struct iwl_priv *priv); +int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req); u16 iwl_fill_probe_req(struct iwl_priv *priv, enum ieee80211_band band, struct ieee80211_mgmt *frame, int left); void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 1ec2b20eb37c..23644cf884f1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -440,6 +440,74 @@ int iwl_scan_initiate(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_scan_initiate); +#define IWL_DELAY_NEXT_SCAN (HZ*2) + +int iwl_mac_hw_scan(struct ieee80211_hw *hw, + struct cfg80211_scan_request *req) +{ + unsigned long flags; + struct iwl_priv *priv = hw->priv; + int ret; + u8 *ssid = NULL; + size_t ssid_len = 0; + + if (req->n_ssids) { + ssid = req->ssids[0].ssid; + ssid_len = req->ssids[0].ssid_len; + } + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + mutex_lock(&priv->mutex); + spin_lock_irqsave(&priv->lock, flags); + + if (!iwl_is_ready_rf(priv)) { + ret = -EIO; + IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n"); + goto out_unlock; + } + + /* We don't schedule scan within next_scan_jiffies period. + * Avoid scanning during possible EAPOL exchange, return + * success immediately. + */ + if (priv->next_scan_jiffies && + time_after(priv->next_scan_jiffies, jiffies)) { + IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n"); + queue_work(priv->workqueue, &priv->scan_completed); + ret = 0; + goto out_unlock; + } + + /* if we just finished scan ask for delay */ + if (iwl_is_associated(priv) && priv->last_scan_jiffies && + time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) { + IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n"); + queue_work(priv->workqueue, &priv->scan_completed); + ret = 0; + goto out_unlock; + } + + if (ssid_len) { + priv->one_direct_scan = 1; + priv->direct_ssid_len = ssid_len; + memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len); + } else { + priv->one_direct_scan = 0; + } + + ret = iwl_scan_initiate(priv); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + +out_unlock: + spin_unlock_irqrestore(&priv->lock, flags); + mutex_unlock(&priv->mutex); + + return ret; +} +EXPORT_SYMBOL(iwl_mac_hw_scan); + #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) void iwl_bg_scan_check(struct work_struct *data) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 2ad4d760ad2d..6d816ebd7cea 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -726,38 +726,6 @@ static void iwl3945_setup_rxon_timing(struct iwl_priv *priv) le16_to_cpu(priv->rxon_timing.atim_window)); } -static int iwl3945_scan_initiate(struct iwl_priv *priv) -{ - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_SCAN(priv, "Aborting scan due to not ready.\n"); - return -EIO; - } - - if (test_bit(STATUS_SCANNING, &priv->status)) { - IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - return -EAGAIN; - } - - if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { - IWL_DEBUG_SCAN(priv, "Scan request while abort pending. " - "Queuing.\n"); - return -EAGAIN; - } - - IWL_DEBUG_INFO(priv, "Starting scan...\n"); - if (priv->cfg->sku & IWL_SKU_G) - priv->scan_bands |= BIT(IEEE80211_BAND_2GHZ); - if (priv->cfg->sku & IWL_SKU_A) - priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ); - set_bit(STATUS_SCANNING, &priv->status); - priv->scan_start = jiffies; - priv->scan_pass_start = priv->scan_start; - - queue_work(priv->workqueue, &priv->request_scan); - - return 0; -} - static int iwl3945_set_mode(struct iwl_priv *priv, int mode) { if (mode == NL80211_IFTYPE_ADHOC) { @@ -4316,66 +4284,6 @@ static void iwl3945_bss_info_changed(struct ieee80211_hw *hw, } -static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, - struct cfg80211_scan_request *req) -{ - int rc = 0; - unsigned long flags; - struct iwl_priv *priv = hw->priv; - size_t len = 0; - u8 *ssid = NULL; - DECLARE_SSID_BUF(ssid_buf); - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (req->n_ssids) { - ssid = req->ssids[0].ssid; - len = req->ssids[0].ssid_len; - } - - mutex_lock(&priv->mutex); - spin_lock_irqsave(&priv->lock, flags); - - if (!iwl_is_ready_rf(priv)) { - rc = -EIO; - IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n"); - goto out_unlock; - } - - /* we don't schedule scan within next_scan_jiffies period */ - if (priv->next_scan_jiffies && - time_after(priv->next_scan_jiffies, jiffies)) { - rc = -EAGAIN; - goto out_unlock; - } - /* if we just finished scan ask for delay for a broadcast scan */ - if ((len == 0) && priv->last_scan_jiffies && - time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, - jiffies)) { - rc = -EAGAIN; - goto out_unlock; - } - if (len) { - IWL_DEBUG_SCAN(priv, "direct scan for %s [%zd]\n ", - print_ssid(ssid_buf, ssid, len), len); - - priv->one_direct_scan = 1; - priv->direct_ssid_len = len; - memcpy(priv->direct_ssid, ssid, len); - } else - priv->one_direct_scan = 0; - - rc = iwl3945_scan_initiate(priv); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -out_unlock: - spin_unlock_irqrestore(&priv->lock, flags); - mutex_unlock(&priv->mutex); - - return rc; -} - static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -5149,7 +5057,7 @@ static struct ieee80211_ops iwl3945_hw_ops = { .conf_tx = iwl3945_mac_conf_tx, .reset_tsf = iwl3945_mac_reset_tsf, .bss_info_changed = iwl3945_bss_info_changed, - .hw_scan = iwl3945_mac_hw_scan + .hw_scan = iwl_mac_hw_scan }; static int iwl3945_init_drv(struct iwl_priv *priv) -- 2.20.1