Openwrt/target/linux/brcm-2.4/patches/010-bcm47xx-cam_absent.patch

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Index: linux-2.4.35.4/drivers/net/b44.h
===================================================================
--- linux-2.4.35.4.orig/drivers/net/b44.h
+++ linux-2.4.35.4/drivers/net/b44.h
@@ -122,6 +122,7 @@
#define RXCONFIG_FLOW 0x00000020 /* Flow Control Enable */
#define RXCONFIG_FLOW_ACCEPT 0x00000040 /* Accept Unicast Flow Control Frame */
#define RXCONFIG_RFILT 0x00000080 /* Reject Filter */
+#define RXCONFIG_CAM_ABSENT 0x00000100 /* CAM Absent */
#define B44_RXMAXLEN 0x0404UL /* EMAC RX Max Packet Length */
#define B44_TXMAXLEN 0x0408UL /* EMAC TX Max Packet Length */
#define B44_MDIO_CTRL 0x0410UL /* EMAC MDIO Control */
Index: linux-2.4.35.4/drivers/net/b44.c
===================================================================
--- linux-2.4.35.4.orig/drivers/net/b44.c
+++ linux-2.4.35.4/drivers/net/b44.c
@@ -1299,6 +1299,7 @@ static int b44_set_mac_addr(struct net_d
{
struct b44 *bp = dev->priv;
struct sockaddr *addr = p;
+ u32 val;
if (netif_running(dev))
return -EBUSY;
@@ -1306,7 +1307,11 @@ static int b44_set_mac_addr(struct net_d
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
spin_lock_irq(&bp->lock);
- __b44_set_mac_addr(bp);
+
+ val = br32(B44_RXCONFIG);
+ if (!(val & RXCONFIG_CAM_ABSENT))
+ __b44_set_mac_addr(bp);
+
spin_unlock_irq(&bp->lock);
return 0;
@@ -1493,7 +1498,7 @@ static void __b44_set_rx_mode(struct net
val = br32(B44_RXCONFIG);
val &= ~(RXCONFIG_PROMISC | RXCONFIG_ALLMULTI);
- if (dev->flags & IFF_PROMISC) {
+ if ((dev->flags & IFF_PROMISC) || (val & RXCONFIG_CAM_ABSENT)) {
val |= RXCONFIG_PROMISC;
bw32(B44_RXCONFIG, val);
} else {