diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index e7cbcd99c2cb..b5e4d02f15c9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -84,10 +84,11 @@ static void dwmac1000_get_umac_addr(void __iomem *ioaddr, unsigned char *addr, GMAC_ADDR_LOW(reg_n)); } -static void dwmac1000_set_filter(struct net_device *dev) +static void dwmac1000_set_filter(struct net_device *dev, int id) { void __iomem *ioaddr = (void __iomem *) dev->base_addr; unsigned int value = 0; + unsigned int perfect_addr_number; CHIP_DBG(KERN_INFO "%s: # mcasts %d, # unicast %d\n", __func__, netdev_mc_count(dev), netdev_uc_count(dev)); @@ -121,8 +122,14 @@ static void dwmac1000_set_filter(struct net_device *dev) writel(mc_filter[1], ioaddr + GMAC_HASH_HIGH); } + /* Extra 16 regs are available in cores newer than the 3.40. */ + if (id > DWMAC_CORE_3_40) + perfect_addr_number = GMAC_MAX_PERFECT_ADDRESSES; + else + perfect_addr_number = GMAC_MAX_PERFECT_ADDRESSES / 2; + /* Handle multiple unicast addresses (perfect filtering)*/ - if (netdev_uc_count(dev) > GMAC_MAX_UNICAST_ADDRESSES) + if (netdev_uc_count(dev) > perfect_addr_number) /* Switch to promiscuous mode is more than 16 addrs are required */ value |= GMAC_FRAME_FILTER_PR; |