Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (79 commits)
  [X25]: Use proc_create() to setup ->proc_fops first
  [WANROUTER]: Use proc_create() to setup ->proc_fops first
  [8021Q]: Use proc_create() to setup ->proc_fops first
  [IPV4]: Use proc_create() to setup ->proc_fops first
  [IPV6]: Use proc_create() to setup ->proc_fops first
  [SCTP]: Use proc_create() to setup ->proc_fops first
  [PKTGEN]: Use proc_create() to setup ->proc_fops first
  [NEIGHBOUR]: Use proc_create() to setup ->proc_fops first
  [LLC]: Use proc_create() to setup ->proc_fops first
  [IPX]: Use proc_create() to setup ->proc_fops first
  [SUNRPC]: Use proc_create() to setup ->proc_fops first
  [ATM]: Use proc_create() to setup ->proc_fops first
  [SCTP]: Update AUTH structures to match declarations in draft-16.
  [SCTP]: Incorrect length was used in SCTP_*_AUTH_CHUNKS socket option
  [SCTP]: Clean up naming conventions of sctp protocol/address family registration
  [APPLETALK]: Use proc_create() to setup ->proc_fops first
  [BNX2X]: add bnx2x to MAINTAINERS
  [BNX2X]: update version, remove CVS strings
  [BNX2X]: Fix Xmit bugs
  [BNX2X]: Prevent PCI queue overflow
  ...

8 files changed, 71 insertions, 42 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index d6cba138c7a..c69f85ed766 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -960,8 +960,12 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt2400pci_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt2400pci_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP:
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index e874fdcae20..91e87b53374 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1112,8 +1112,12 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt2500pci_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt2500pci_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP:
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 4ca9730e5e9..638c3d24310 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1001,8 +1001,12 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt2500usb_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt2500usb_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP:
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 72cfe00c1ed..07adc576db4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -97,12 +97,16 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	libconf.ant.rx = rx;
 	libconf.ant.tx = tx;
 
+	if (rx == rt2x00dev->link.ant.active.rx &&
+	    tx == rt2x00dev->link.ant.active.tx)
+		return;
+
 	/*
 	 * Antenna setup changes require the RX to be disabled,
 	 * else the changes will be ignored by the device.
 	 */
 	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
-		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
+		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF_LINK);
 
 	/*
 	 * Write new antenna setup to device and reset the link tuner.
@@ -116,7 +120,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	rt2x00dev->link.ant.active.tx = libconf.ant.tx;
 
 	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
-		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK);
 }
 
 void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index c4be2ac4d7a..0d51f478bcd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -61,11 +61,33 @@ EXPORT_SYMBOL_GPL(rt2x00lib_get_ring);
 /*
  * Link tuning handlers
  */
-static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
+void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
 {
+	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+		return;
+
+	/*
+	 * Reset link information.
+	 * Both the currently active vgc level as well as
+	 * the link tuner counter should be reset. Resetting
+	 * the counter is important for devices where the
+	 * device should only perform link tuning during the
+	 * first minute after being enabled.
+	 */
 	rt2x00dev->link.count = 0;
 	rt2x00dev->link.vgc_level = 0;
 
+	/*
+	 * Reset the link tuner.
+	 */
+	rt2x00dev->ops->lib->reset_tuner(rt2x00dev);
+}
+
+static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+	/*
+	 * Clear all (possibly) pre-existing quality statistics.
+	 */
 	memset(&rt2x00dev->link.qual, 0, sizeof(rt2x00dev->link.qual));
 
 	/*
@@ -79,10 +101,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->link.qual.rx_percentage = 50;
 	rt2x00dev->link.qual.tx_percentage = 50;
 
-	/*
-	 * Reset the link tuner.
-	 */
-	rt2x00dev->ops->lib->reset_tuner(rt2x00dev);
+	rt2x00lib_reset_link_tuner(rt2x00dev);
 
 	queue_delayed_work(rt2x00dev->hw->workqueue,
 			   &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
@@ -93,15 +112,6 @@ static void rt2x00lib_stop_link_tuner(struct rt2x00_dev *rt2x00dev)
 	cancel_delayed_work_sync(&rt2x00dev->link.work);
 }
 
-void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
-{
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
-		return;
-
-	rt2x00lib_stop_link_tuner(rt2x00dev);
-	rt2x00lib_start_link_tuner(rt2x00dev);
-}
-
 /*
  * Ring initialization
  */
@@ -260,19 +270,11 @@ static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
 	if (sample_a == sample_b)
 		return;
 
-	if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) {
-		if (sample_a > sample_b && rx == ANTENNA_B)
-			rx = ANTENNA_A;
-		else if (rx == ANTENNA_A)
-			rx = ANTENNA_B;
-	}
+	if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
+		rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
 
-	if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY) {
-		if (sample_a > sample_b && tx == ANTENNA_B)
-			tx = ANTENNA_A;
-		else if (tx == ANTENNA_A)
-			tx = ANTENNA_B;
-	}
+	if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
+		tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
 
 	rt2x00lib_config_antenna(rt2x00dev, rx, tx);
 }
@@ -293,7 +295,7 @@ static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev)
 	 * sample the rssi from the other antenna to make a valid
 	 * comparison between the 2 antennas.
 	 */
-	if ((rssi_curr - rssi_old) > -5 || (rssi_curr - rssi_old) < 5)
+	if (abs(rssi_curr - rssi_old) < 5)
 		return;
 
 	rt2x00dev->link.ant.flags |= ANTENNA_MODE_SAMPLE;
@@ -319,15 +321,15 @@ static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->link.ant.flags &= ~ANTENNA_TX_DIVERSITY;
 
 	if (rt2x00dev->hw->conf.antenna_sel_rx == 0 &&
-	    rt2x00dev->default_ant.rx != ANTENNA_SW_DIVERSITY)
+	    rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
 		rt2x00dev->link.ant.flags |= ANTENNA_RX_DIVERSITY;
 	if (rt2x00dev->hw->conf.antenna_sel_tx == 0 &&
-	    rt2x00dev->default_ant.tx != ANTENNA_SW_DIVERSITY)
+	    rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
 		rt2x00dev->link.ant.flags |= ANTENNA_TX_DIVERSITY;
 
 	if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) &&
 	    !(rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)) {
-		rt2x00dev->link.ant.flags &= ~ANTENNA_MODE_SAMPLE;
+		rt2x00dev->link.ant.flags = 0;
 		return;
 	}
 
@@ -441,17 +443,18 @@ static void rt2x00lib_link_tuner(struct work_struct *work)
 		rt2x00dev->ops->lib->link_tuner(rt2x00dev);
 
 	/*
-	 * Evaluate antenna setup.
-	 */
-	rt2x00lib_evaluate_antenna(rt2x00dev);
-
-	/*
 	 * Precalculate a portion of the link signal which is
 	 * in based on the tx/rx success/failure counters.
 	 */
 	rt2x00lib_precalculate_link_signal(&rt2x00dev->link.qual);
 
 	/*
+	 * Evaluate antenna setup, make this the last step since this could
+	 * possibly reset some statistics.
+	 */
+	rt2x00lib_evaluate_antenna(rt2x00dev);
+
+	/*
 	 * Increase tuner counter, and reschedule the next link tuner run.
 	 */
 	rt2x00dev->link.count++;
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
index 838421216da..b1915dc7dda 100644
--- a/drivers/net/wireless/rt2x00/rt2x00reg.h
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -85,6 +85,8 @@ enum dev_state {
 	STATE_RADIO_OFF,
 	STATE_RADIO_RX_ON,
 	STATE_RADIO_RX_OFF,
+	STATE_RADIO_RX_ON_LINK,
+	STATE_RADIO_RX_OFF_LINK,
 	STATE_RADIO_IRQ_ON,
 	STATE_RADIO_IRQ_OFF,
 };
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index b31f0c26c32..e808db98f2f 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1482,8 +1482,12 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt61pci_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt61pci_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP:
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 4d576ab3e7f..4fac2d414d8 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1208,8 +1208,12 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt73usb_disable_radio(rt2x00dev);
 		break;
 	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+		rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
+		break;
 	case STATE_RADIO_RX_OFF:
-		rt73usb_toggle_rx(rt2x00dev, state);
+	case STATE_RADIO_RX_OFF_LINK:
+		rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP: