mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 02:44:15 +02:00
5dd458beea
nicolas le falher git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27876 3c298f89-4303-0410-b956-a3cf2f4a3e73
152 lines
4.1 KiB
Diff
152 lines
4.1 KiB
Diff
--- a/drivers/net/r6040.c
|
|
+++ b/drivers/net/r6040.c
|
|
@@ -70,6 +70,8 @@
|
|
|
|
/* MAC registers */
|
|
#define MCR0 0x00 /* Control register 0 */
|
|
+#define PROMISC 0x0020 /* Promiscuous mode */
|
|
+#define HASH_EN 0x0100 /* Enable multicast hash table function */
|
|
#define MCR1 0x04 /* Control register 1 */
|
|
#define MAC_RST 0x0001 /* Reset the MAC */
|
|
#define MBCR 0x08 /* Bus control */
|
|
@@ -837,76 +839,96 @@
|
|
{
|
|
struct r6040_private *lp = netdev_priv(dev);
|
|
void __iomem *ioaddr = lp->base;
|
|
- u16 *adrp;
|
|
- u16 reg;
|
|
unsigned long flags;
|
|
struct dev_mc_list *dmi = dev->mc_list;
|
|
int i;
|
|
+ u16 *adrp;
|
|
+ u16 hash_table[4] = { 0 };
|
|
+
|
|
+ spin_lock_irqsave(&lp->lock, flags);
|
|
|
|
- /* MAC Address */
|
|
+ /* Keep our MAC Address */
|
|
adrp = (u16 *)dev->dev_addr;
|
|
iowrite16(adrp[0], ioaddr + MID_0L);
|
|
iowrite16(adrp[1], ioaddr + MID_0M);
|
|
iowrite16(adrp[2], ioaddr + MID_0H);
|
|
|
|
- /* Promiscous Mode */
|
|
- spin_lock_irqsave(&lp->lock, flags);
|
|
-
|
|
/* Clear AMCP & PROM bits */
|
|
- reg = ioread16(ioaddr) & ~0x0120;
|
|
+ lp->mcr0 = ioread16(ioaddr + MCR0) & ~(PROMISC | HASH_EN);
|
|
+
|
|
+ /* Promiscuous mode */
|
|
if (dev->flags & IFF_PROMISC) {
|
|
- reg |= 0x0020;
|
|
- lp->mcr0 |= 0x0020;
|
|
+ lp->mcr0 |= PROMISC;
|
|
}
|
|
- /* Too many multicast addresses
|
|
- * accept all traffic */
|
|
- else if ((dev->mc_count > MCAST_MAX)
|
|
- || (dev->flags & IFF_ALLMULTI))
|
|
- reg |= 0x0020;
|
|
|
|
- iowrite16(reg, ioaddr);
|
|
- spin_unlock_irqrestore(&lp->lock, flags);
|
|
-
|
|
- /* Build the hash table */
|
|
- if (dev->mc_count > MCAST_MAX) {
|
|
- u16 hash_table[4];
|
|
- u32 crc;
|
|
+ /* Enable multicast hash table function to
|
|
+ * receive all multicast packets. */
|
|
+ else if (dev->flags & IFF_ALLMULTI) {
|
|
+ lp->mcr0 |= HASH_EN;
|
|
+
|
|
+ for (i = 0; i < MCAST_MAX ; i++) {
|
|
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
|
|
+ }
|
|
|
|
for (i = 0; i < 4; i++)
|
|
- hash_table[i] = 0;
|
|
+ hash_table[i] = 0xffff;
|
|
+ }
|
|
|
|
- for (i = 0; i < dev->mc_count; i++) {
|
|
- char *addrs = dmi->dmi_addr;
|
|
+ /* Use internal multicast address registers if the number of
|
|
+ * multicast addresses is not greater than MCAST_MAX. */
|
|
+ else if (dev->mc_count <= MCAST_MAX) {
|
|
+ i = 0;
|
|
+ while (i < dev->mc_count) {
|
|
+ u16 *adrp = (u16 *)dmi->dmi_addr;
|
|
|
|
dmi = dmi->next;
|
|
+ iowrite16(adrp[0], ioaddr + MID_1L + 8 * i);
|
|
+ iowrite16(adrp[1], ioaddr + MID_1M + 8 * i);
|
|
+ iowrite16(adrp[2], ioaddr + MID_1H + 8 * i);
|
|
+ i++;
|
|
+ }
|
|
+ while (i < MCAST_MAX) {
|
|
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
|
|
+ i++;
|
|
+ }
|
|
+ }
|
|
+ /* Otherwise, Enable multicast hash table function. */
|
|
+ else {
|
|
+ u32 crc;
|
|
+
|
|
+ lp->mcr0 |= HASH_EN;
|
|
|
|
- if (!(*addrs & 1))
|
|
- continue;
|
|
+ for (i = 0; i < MCAST_MAX ; i++) {
|
|
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
|
|
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
|
|
+ }
|
|
+
|
|
+ /* Build multicast hash table */
|
|
+ for (i = 0; i < dev->mc_count; i++) {
|
|
+ u8 *addrs = dmi->dmi_addr;
|
|
+ dmi = dmi->next;
|
|
|
|
- crc = ether_crc_le(6, addrs);
|
|
+ crc = ether_crc(ETH_ALEN, addrs);
|
|
crc >>= 26;
|
|
- hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf));
|
|
+ hash_table[crc >> 4] |= 1 << (crc & 0xf);
|
|
}
|
|
- /* Fill the MAC hash tables with their values */
|
|
+ }
|
|
+ iowrite16(lp->mcr0, ioaddr + MCR0);
|
|
+
|
|
+ /* Fill the MAC hash tables with their values */
|
|
+ if (lp->mcr0 && HASH_EN) {
|
|
iowrite16(hash_table[0], ioaddr + MAR0);
|
|
iowrite16(hash_table[1], ioaddr + MAR1);
|
|
iowrite16(hash_table[2], ioaddr + MAR2);
|
|
iowrite16(hash_table[3], ioaddr + MAR3);
|
|
}
|
|
- /* Multicast Address 1~4 case */
|
|
- dmi = dev->mc_list;
|
|
- for (i = 0, dmi; (i < dev->mc_count) && (i < MCAST_MAX); i++) {
|
|
- adrp = (u16 *)dmi->dmi_addr;
|
|
- iowrite16(adrp[0], ioaddr + MID_1L + 8*i);
|
|
- iowrite16(adrp[1], ioaddr + MID_1M + 8*i);
|
|
- iowrite16(adrp[2], ioaddr + MID_1H + 8*i);
|
|
- dmi = dmi->next;
|
|
- }
|
|
- for (i = dev->mc_count; i < MCAST_MAX; i++) {
|
|
- iowrite16(0xffff, ioaddr + MID_1L + 8*i);
|
|
- iowrite16(0xffff, ioaddr + MID_1M + 8*i);
|
|
- iowrite16(0xffff, ioaddr + MID_1H + 8*i);
|
|
- }
|
|
+
|
|
+ spin_unlock_irqrestore(&lp->lock, flags);
|
|
}
|
|
|
|
static void netdev_get_drvinfo(struct net_device *dev,
|