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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>
hifive-unleashed-5.1
Ayaz Abdulla 2008-01-13 16:03:04 -05:00 committed by David S. Miller
parent 32fa8b27ea
commit bb9a4fd1f7
1 changed files with 9 additions and 4 deletions
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13
drivers/net/forcedeth.c
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@ -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().