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Commit 2f614fe0 authored by Jeff Garzik's avatar Jeff Garzik
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[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: default avatarJeff Garzik <jeff@garzik.org>
parent 39984a9f

drivers/net/b44.c

+4 −3
Original line number Diff line number Diff line
@@ -1706,14 +1706,15 @@ static void __b44_set_rx_mode(struct net_device *dev) 


		__b44_set_mac_addr(bp);



		if (dev->flags & IFF_ALLMULTI)

		if ((dev->flags & IFF_ALLMULTI) ||

		    (dev->mc_count > B44_MCAST_TABLE_SIZE))

			val |= RXCONFIG_ALLMULTI;

		else

			i = __b44_load_mcast(bp, dev);



		for (; i < 64; i++) {

		for (; i < 64; i++)

			__b44_cam_write(bp, zero, i);

		}



		bw32(bp, B44_RXCONFIG, val);

        	val = br32(bp, B44_CAM_CTRL);

	        bw32(bp, B44_CAM_CTRL, val | CAM_CTRL_ENABLE);