Return-path: Received: from mga11.intel.com ([192.55.52.93]:11397 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753344Ab0CJFWI (ORCPT ); Wed, 10 Mar 2010 00:22:08 -0500 From: Reinette Chatre To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Wey-Yi Guy , Reinette Chatre Subject: [PATCH 22/24] iwlwifi: add internal short scan support for 3945 Date: Tue, 9 Mar 2010 21:21:50 -0800 Message-Id: <1268198512-6572-23-git-send-email-reinette.chatre@intel.com> In-Reply-To: <1268198512-6572-1-git-send-email-reinette.chatre@intel.com> References: <1268198512-6572-1-git-send-email-reinette.chatre@intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Wey-Yi Guy Add internal short scan support for 3945 NIC, This allows 3945 NIC to support radio reset request like the other series of NICs. Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 22 ++++++++++++++-------- 1 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index dd33251..252df12 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2799,7 +2799,6 @@ static void iwl3945_bg_request_scan(struct work_struct *data) .len = sizeof(struct iwl3945_scan_cmd), .flags = CMD_SIZE_HUGE, }; - int rc = 0; struct iwl3945_scan_cmd *scan; struct ieee80211_conf *conf = NULL; u8 n_probes = 0; @@ -2827,7 +2826,6 @@ static void iwl3945_bg_request_scan(struct work_struct *data) if (test_bit(STATUS_SCAN_HW, &priv->status)) { IWL_DEBUG_INFO(priv, "Multiple concurrent scan requests " "Ignoring second request.\n"); - rc = -EIO; goto done; } @@ -2862,7 +2860,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) priv->scan = kmalloc(sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE, GFP_KERNEL); if (!priv->scan) { - rc = -ENOMEM; + IWL_DEBUG_SCAN(priv, "Fail to allocate scan memory\n"); goto done; } } @@ -2905,7 +2903,9 @@ static void iwl3945_bg_request_scan(struct work_struct *data) scan_suspend_time, interval); } - if (priv->scan_request->n_ssids) { + if (priv->is_internal_short_scan) { + IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n"); + } else if (priv->scan_request->n_ssids) { int i, p = 0; IWL_DEBUG_SCAN(priv, "Kicking off active scan\n"); for (i = 0; i < priv->scan_request->n_ssids; i++) { @@ -2952,13 +2952,20 @@ static void iwl3945_bg_request_scan(struct work_struct *data) goto done; } - scan->tx_cmd.len = cpu_to_le16( + if (!priv->is_internal_short_scan) { + scan->tx_cmd.len = cpu_to_le16( iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, priv->scan_request->ie, priv->scan_request->ie_len, IWL_MAX_SCAN_SIZE - sizeof(*scan))); - + } else { + scan->tx_cmd.len = cpu_to_le16( + iwl_fill_probe_req(priv, + (struct ieee80211_mgmt *)scan->data, + NULL, 0, + IWL_MAX_SCAN_SIZE - sizeof(*scan))); + } /* select Rx antennas */ scan->flags |= iwl3945_get_antenna_flags(priv); @@ -2980,8 +2987,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) scan->len = cpu_to_le16(cmd.len); set_bit(STATUS_SCAN_HW, &priv->status); - rc = iwl_send_cmd_sync(priv, &cmd); - if (rc) + if (iwl_send_cmd_sync(priv, &cmd)) goto done; queue_delayed_work(priv->workqueue, &priv->scan_check, -- 1.6.3.3