From 5c1a140afbd3abeec92b74c91ad495cf69af4de3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Fri, 15 Jan 2010 15:10:54 +0100
Subject: [PATCH] b43: N-PHY: add function than forces (not) staying in carrier
search
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/b43/phy_n.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index b0ff3a3aaa7b..62ed7b7f6452 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -443,6 +443,29 @@ static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
return tmp;
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
+static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_n *nphy = phy->n;
+
+ if (enable) {
+ u16 clip[] = { 0xFFFF, 0xFFFF };
+ if (nphy->deaf_count++ == 0) {
+ nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
+ b43_nphy_classifier(dev, 0x7, 0);
+ b43_nphy_read_clip_detection(dev, nphy->clip_state);
+ b43_nphy_write_clip_detection(dev, clip);
+ }
+ b43_nphy_reset_cca(dev);
+ } else {
+ if (--nphy->deaf_count == 0) {
+ b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
+ b43_nphy_write_clip_detection(dev, nphy->clip_state);
+ }
+ }
+}
+
enum b43_nphy_rf_sequence {
B43_RFSEQ_RX2TX,
B43_RFSEQ_TX2RX,
--
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