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authorAyaz Abdulla <aabdulla@nvidia.com>2008-01-13 16:03:04 -0500
committerDavid S. Miller <davem@davemloft.net>2008-02-03 04:28:40 -0800
commitbb9a4fd1f7cc083f72e52f01938c23ac5b3403d5 (patch)
treef21d14bb59d2f472672159212f9bae24dd05289a /drivers/net
parent32fa8b27eaec2f4bc978cadfb84b375de57311ce (diff)
downloadlinux-bb9a4fd1f7cc083f72e52f01938c23ac5b3403d5.tar.gz
forcedeth: multicast fix
This patch fixes the case where no multicast addresses are requested to
be added to the multicast filter. The multicast mask must be set to all
1's instead of all 0's.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/forcedeth.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 608195603f5a..2034a7d09225 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -277,7 +277,9 @@ enum {
 #define NVREG_MCASTADDRA_FORCE	0x01
 	NvRegMulticastAddrB = 0xB4,
 	NvRegMulticastMaskA = 0xB8,
+#define NVREG_MCASTMASKA_NONE		0xffffffff
 	NvRegMulticastMaskB = 0xBC,
+#define NVREG_MCASTMASKB_NONE		0xffff
 
 	NvRegPhyInterface = 0xC0,
 #define PHY_RGMII		0x10000000
@@ -2693,6 +2695,9 @@ static void nv_set_multicast(struct net_device *dev)
 			addr[1] = alwaysOn[1];
 			mask[0] = alwaysOn[0] | alwaysOff[0];
 			mask[1] = alwaysOn[1] | alwaysOff[1];
+		} else {
+			mask[0] = NVREG_MCASTMASKA_NONE;
+			mask[1] = NVREG_MCASTMASKB_NONE;
 		}
 	}
 	addr[0] |= NVREG_MCASTADDRA_FORCE;
@@ -4803,8 +4808,8 @@ static int nv_open(struct net_device *dev)
 		nv_mac_reset(dev);
 	writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
 	writel(0, base + NvRegMulticastAddrB);
-	writel(0, base + NvRegMulticastMaskA);
-	writel(0, base + NvRegMulticastMaskB);
+	writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA);
+	writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB);
 	writel(0, base + NvRegPacketFilterFlags);
 
 	writel(0, base + NvRegTransmitterControl);
@@ -4898,8 +4903,8 @@ static int nv_open(struct net_device *dev)
 	spin_lock_irq(&np->lock);
 	writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
 	writel(0, base + NvRegMulticastAddrB);
-	writel(0, base + NvRegMulticastMaskA);
-	writel(0, base + NvRegMulticastMaskB);
+	writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA);
+	writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB);
 	writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
 	/* One manual link speed update: Interrupts are enabled, future link
 	 * speed changes cause interrupts and are handled by nv_link_irq().