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authorJeff Garzik <jeff@garzik.org>2006-10-05 07:10:38 -0400
committerJeff Garzik <jeff@garzik.org>2006-10-05 07:10:38 -0400
commit2f614fe04f4463ff22234133319067d7361f54e5 (patch)
tree136b00e488510b16c3b2118d9a221f4103b10c27 /drivers/net/b44.c
parent39984a9fad0c642182f426d7771332d46f222103 (diff)
[netdrvr] b44: handle excessive multicast groups
If there are more than B44_MCAST_TABLE_SIZE groups in the dev->mc_list, it will only listen to the first B44_MCAST_TABLE_SIZE that it sees. This change makes the driver go into RXCONFIG_ALLMULTI mode if there are more than B44_MCAST_TABLE_SIZE groups being subscribed to, similar to other network drivers. Noticed by Bill Helfinstine <bhelf@flitterfly.whirpon.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index e891ea2ecc3c..973b8eb37dc2 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1706,14 +1706,15 @@ static void __b44_set_rx_mode(struct net_device *dev)
1706 1706
1707 __b44_set_mac_addr(bp); 1707 __b44_set_mac_addr(bp);
1708 1708
1709 if (dev->flags & IFF_ALLMULTI) 1709 if ((dev->flags & IFF_ALLMULTI) ||
1710 (dev->mc_count > B44_MCAST_TABLE_SIZE))
1710 val |= RXCONFIG_ALLMULTI; 1711 val |= RXCONFIG_ALLMULTI;
1711 else 1712 else
1712 i = __b44_load_mcast(bp, dev); 1713 i = __b44_load_mcast(bp, dev);
1713 1714
1714 for (; i < 64; i++) { 1715 for (; i < 64; i++)
1715 __b44_cam_write(bp, zero, i); 1716 __b44_cam_write(bp, zero, i);
1716 } 1717
1717 bw32(bp, B44_RXCONFIG, val); 1718 bw32(bp, B44_RXCONFIG, val);
1718 val = br32(bp, B44_CAM_CTRL); 1719 val = br32(bp, B44_CAM_CTRL);
1719 bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE); 1720 bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);