[PATCH 5/5] forcedeth: multicast fix

[Ayaz Abdulla]

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 <[EMAIL PROTECTED]>
--- old/drivers/net/forcedeth.c 2008-01-13 15:15:22.000000000 -0500
+++ new/drivers/net/forcedeth.c 2008-01-13 15:24:22.000000000 -0500
@@ -277,7 +277,9 @@
 #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 @@
                        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 @@
                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 @@
        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().