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authorAyaz Abdulla <aabdulla@nvidia.com>2005-11-11 08:29:59 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-11 08:29:59 -0500
commit4ea7f299bba0e4331bdbec4e1c1b90463478180d (patch)
tree91b685eeae860bd311156b07ae510d048326b5cc /drivers/net
parent125d128bec1bbf81be4c198243334a6153c0b023 (diff)
[netdrvr forcedeth] remove superfluous rx engine stop/start
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/forcedeth.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 22aec6ed80f..6364adbd73a 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -80,7 +80,7 @@
* into nv_close, otherwise reenabling for wol can
* cause DMA to kfree'd memory.
* 0.31: 14 Nov 2004: ethtool support for getting/setting link
- * capabilities.
+ * capabilities.
* 0.32: 16 Apr 2005: RX_ERROR4 handling added.
* 0.33: 16 May 2005: Support for MCP51 added.
* 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics.
@@ -89,14 +89,15 @@
* 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list
* 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of
* per-packet flags.
- * 0.39: 18 Jul 2005: Add 64bit descriptor support.
- * 0.40: 19 Jul 2005: Add support for mac address change.
- * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead
+ * 0.39: 18 Jul 2005: Add 64bit descriptor support.
+ * 0.40: 19 Jul 2005: Add support for mac address change.
+ * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead
* of nv_remove
- * 0.42: 06 Aug 2005: Fix lack of link speed initialization
+ * 0.42: 06 Aug 2005: Fix lack of link speed initialization
* in the second (and later) nv_open call
- * 0.43: 10 Aug 2005: Add support for tx checksum.
- * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation.
+ * 0.43: 10 Aug 2005: Add support for tx checksum.
+ * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation.
+ * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@@ -108,7 +109,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
-#define FORCEDETH_VERSION "0.44"
+#define FORCEDETH_VERSION "0.45"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@@ -1612,6 +1613,17 @@ static void nv_set_multicast(struct net_device *dev)
spin_unlock_irq(&np->lock);
}
+/**
+ * nv_update_linkspeed: Setup the MAC according to the link partner
+ * @dev: Network device to be configured
+ *
+ * The function queries the PHY and checks if there is a link partner.
+ * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is
+ * set to 10 MBit HD.
+ *
+ * The function returns 0 if there is no link partner and 1 if there is
+ * a good link partner.
+ */
static int nv_update_linkspeed(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
@@ -1751,13 +1763,11 @@ set_speed:
static void nv_linkchange(struct net_device *dev)
{
if (nv_update_linkspeed(dev)) {
- if (netif_carrier_ok(dev)) {
- nv_stop_rx(dev);
- } else {
+ if (!netif_carrier_ok(dev)) {
netif_carrier_on(dev);
printk(KERN_INFO "%s: link up.\n", dev->name);
+ nv_start_rx(dev);
}
- nv_start_rx(dev);
} else {
if (netif_carrier_ok(dev)) {
netif_carrier_off(dev);