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backport upstream multicast fix (#7848)

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SVN-Revision: 22852
This commit is contained in:
Florian Fainelli 2010-08-31 14:10:25 +00:00
parent 685d598add
commit 8108b387d0
1 changed files with 35 additions and 0 deletions
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35
target/linux/rdc/patches-2.6.32/015-r6040_fix_multicast.patch Normal file
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@ -0,0 +1,35 @@
---
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -136,7 +136,7 @@
#define RX_DESC_SIZE (RX_DCNT * sizeof(struct r6040_descriptor))
#define TX_DESC_SIZE (TX_DCNT * sizeof(struct r6040_descriptor))
#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */
-#define MCAST_MAX 4 /* Max number multicast addresses to filter */
+#define MCAST_MAX 3 /* Max number multicast addresses to filter */
/* Descriptor status */
#define DSC_OWNER_MAC 0x8000 /* MAC is the owner of this descriptor */
@@ -887,9 +887,6 @@ static void r6040_multicast_list(struct
crc >>= 26;
hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf));
}
- /* Write the index of the hash table */
- for (i = 0; i < 4; i++)
- iowrite16(hash_table[i] << 14, ioaddr + MCR1);
/* Fill the MAC hash tables with their values */
iowrite16(hash_table[0], ioaddr + MAR0);
iowrite16(hash_table[1], ioaddr + MAR1);
@@ -905,9 +902,9 @@ static void r6040_multicast_list(struct
dmi = dmi->next;
}
for (i = dev->mc_count; i < MCAST_MAX; i++) {
- iowrite16(0xffff, ioaddr + MID_0L + 8*i);
- iowrite16(0xffff, ioaddr + MID_0M + 8*i);
- iowrite16(0xffff, ioaddr + MID_0H + 8*i);
+ iowrite16(0xffff, ioaddr + MID_1L + 8 * i);
+ iowrite16(0xffff, ioaddr + MID_1M + 8 * i);
+ iowrite16(0xffff, ioaddr + MID_1H + 8 * i);
}
}