diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b6081ff29c91..cdcbad1f1ac0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -97,30 +97,28 @@ static void dwmac1000_get_umac_addr(struct mac_device_info *hw, GMAC_ADDR_LOW(reg_n)); } -static void dwmac1000_set_filter(struct net_device *dev, int id) +static void dwmac1000_set_filter(struct net_device *dev) { void __iomem *ioaddr = (void __iomem *)dev->base_addr; unsigned int value = 0; unsigned int perfect_addr_number; + u32 mc_filter[2]; pr_debug("%s: # mcasts %d, # unicast %d\n", __func__, netdev_mc_count(dev), netdev_uc_count(dev)); - if (dev->flags & IFF_PROMISC) + memset(mc_filter, 0, sizeof(mc_filter)); + + if (dev->flags & IFF_PROMISC) { value = GMAC_FRAME_FILTER_PR; - else if ((netdev_mc_count(dev) > HASH_TABLE_SIZE) - || (dev->flags & IFF_ALLMULTI)) { + } else if (dev->flags & IFF_ALLMULTI) { value = GMAC_FRAME_FILTER_PM; /* pass all multi */ - writel(0xffffffff, ioaddr + GMAC_HASH_HIGH); - writel(0xffffffff, ioaddr + GMAC_HASH_LOW); } else if (!netdev_mc_empty(dev)) { - u32 mc_filter[2]; struct netdev_hw_addr *ha; /* Hash filter for multicast */ value = GMAC_FRAME_FILTER_HMC; - memset(mc_filter, 0, sizeof(mc_filter)); netdev_for_each_mc_addr(ha, dev) { /* The upper 6 bits of the calculated CRC are used to * index the contens of the hash table @@ -132,15 +130,12 @@ static void dwmac1000_set_filter(struct net_device *dev, int id) */ mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); } - writel(mc_filter[0], ioaddr + GMAC_HASH_LOW); - 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; + writel(mc_filter[0], ioaddr + GMAC_HASH_LOW); + writel(mc_filter[1], ioaddr + GMAC_HASH_HIGH); + + perfect_addr_number = GMAC_MAX_PERFECT_ADDRESSES; /* Handle multiple unicast addresses (perfect filtering) */ if (netdev_uc_count(dev) > perfect_addr_number) |