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>

2 files changed, 24 insertions, 3 deletions

diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index 36b8e584c6cf..ea72b65428ec 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 526d3a282b7a..300f97b1bfe4 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);
         }
 }