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alistair23-linux
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Merge branch 'calxedaxgmac' 

Rob Herring says:

====================
This is a couple of fixes related to xgmac_set_rx_mode. The changes are
necessary for "bridge fdb add" to work correctly.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
David S. Miller 2013-10-02 16:10:45 -04:00
parent 6865d1e834 0cf2f38007
commit 52f77ba925
1 changed files with 14 additions and 9 deletions
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23
drivers/net/ethernet/calxeda/xgmac.c
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@ -106,7 +106,6 @@
#define XGMAC_DMA_HW_FEATURE 0x00000f58 /* Enabled Hardware Features */
#define XGMAC_ADDR_AE 0x80000000
#define XGMAC_MAX_FILTER_ADDR 31
/* PMT Control and Status */
#define XGMAC_PMT_POINTER_RESET 0x80000000
@ -384,6 +383,7 @@ struct xgmac_priv {
struct device *device;
struct napi_struct napi;
int max_macs;
struct xgmac_extra_stats xstats;
spinlock_t stats_lock;
@ -1291,14 +1291,12 @@ static void xgmac_set_rx_mode(struct net_device *dev)
netdev_dbg(priv->dev, "# mcasts %d, # unicast %d\n",
netdev_mc_count(dev), netdev_uc_count(dev));
if (dev->flags & IFF_PROMISC) {
writel(XGMAC_FRAME_FILTER_PR, ioaddr + XGMAC_FRAME_FILTER);
return;
}
if (dev->flags & IFF_PROMISC)
value |= XGMAC_FRAME_FILTER_PR;
memset(hash_filter, 0, sizeof(hash_filter));
if (netdev_uc_count(dev) > XGMAC_MAX_FILTER_ADDR) {
if (netdev_uc_count(dev) > priv->max_macs) {
use_hash = true;
value |= XGMAC_FRAME_FILTER_HUC | XGMAC_FRAME_FILTER_HPF;
}
@ -1321,7 +1319,7 @@ static void xgmac_set_rx_mode(struct net_device *dev)
goto out;
}
if ((netdev_mc_count(dev) + reg - 1) > XGMAC_MAX_FILTER_ADDR) {
if ((netdev_mc_count(dev) + reg - 1) > priv->max_macs) {
use_hash = true;
value |= XGMAC_FRAME_FILTER_HMC | XGMAC_FRAME_FILTER_HPF;
} else {
@ -1342,8 +1340,8 @@ static void xgmac_set_rx_mode(struct net_device *dev)
}
out:
for (i = reg; i < XGMAC_MAX_FILTER_ADDR; i++)
xgmac_set_mac_addr(ioaddr, NULL, reg);
for (i = reg; i <= priv->max_macs; i++)
xgmac_set_mac_addr(ioaddr, NULL, i);
for (i = 0; i < XGMAC_NUM_HASH; i++)
writel(hash_filter[i], ioaddr + XGMAC_HASH(i));
@ -1761,6 +1759,13 @@ static int xgmac_probe(struct platform_device *pdev)
uid = readl(priv->base + XGMAC_VERSION);
netdev_info(ndev, "h/w version is 0x%x\n", uid);
/* Figure out how many valid mac address filter registers we have */
writel(1, priv->base + XGMAC_ADDR_HIGH(31));
if (readl(priv->base + XGMAC_ADDR_HIGH(31)) == 1)
priv->max_macs = 31;
else
priv->max_macs = 7;
writel(0, priv->base + XGMAC_DMA_INTR_ENA);
ndev->irq = platform_get_irq(pdev, 0);
if (ndev->irq == -ENXIO) {