From: Christian Lamparter <chunkeey@web.de>
Date: Sat, 6 Sep 2008 00:56:12 +0000 (+0200)
Subject: p54: add more rx filters
X-Git-Tag: v2.6.28-rc1~717^2~292^2~46
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=78d57eb2b666617dd75aac0f1a420238004a98b3;p=profile%2Fivi%2Fkernel-x86-ivi.git

p54: add more rx filters

This patch adds new filters settings to make the card more useful in monitor mode.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index 36b8e58..ea72b65 100644
--- a/drivers/net/wireless/p54/p54.h
+++ b/drivers/net/wireless/p54/p54.h
@@ -80,6 +80,7 @@ struct p54_common {
 	struct pda_channel_output_limit *output_limit;
 	unsigned int output_limit_len;
 	struct pda_pa_curve_data *curve_data;
+	unsigned int filter_flags;
 	u16 rxhw;
 	u8 version;
 	u8 rx_antenna;
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 526d3a2..300f97b 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -433,6 +433,13 @@ static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
 	size_t header_len = sizeof(*hdr);
 	u32 tsf32;
 
+	if (!(hdr->magic & cpu_to_le16(0x0001))) {
+		if (priv->filter_flags & FIF_FCSFAIL)
+			rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+		else
+			return 0;
+	}
+
 	rx_status.signal = hdr->rssi;
 	/* XX correct? */
 	rx_status.qual = (100 * hdr->rssi) / 127;
@@ -1127,13 +1134,26 @@ static void p54_configure_filter(struct ieee80211_hw *dev,
 {
 	struct p54_common *priv = dev->priv;
 
-	*total_flags &= FIF_BCN_PRBRESP_PROMISC;
+	*total_flags &= FIF_BCN_PRBRESP_PROMISC |
+			FIF_PROMISC_IN_BSS |
+			FIF_FCSFAIL;
+
+	priv->filter_flags = *total_flags;
 
 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
 		if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
-			p54_set_filter(dev, 0, NULL);
+			p54_set_filter(dev, priv->filter_type, NULL);
+		else
+			p54_set_filter(dev, priv->filter_type, priv->bssid);
+	}
+
+	if (changed_flags & FIF_PROMISC_IN_BSS) {
+		if (*total_flags & FIF_PROMISC_IN_BSS)
+			p54_set_filter(dev, priv->filter_type |
+				cpu_to_le16(0x8), NULL);
 		else
-			p54_set_filter(dev, 0, priv->bssid);
+			p54_set_filter(dev, priv->filter_type &
+				~cpu_to_le16(0x8), priv->bssid);
 	}
 }