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Commit d0e3f65b authored by Alexander Kochetkov's avatar Alexander Kochetkov Committed by David S. Miller
Browse files

net: arc_emac: don't pass multicast packets to kernel in non-multicast mode 



The patch disable capturing multicast packets when multicast mode
disabled for ethernet ('ifconfig eth0 -multicast'). In that case
no multicast packet will be passed to kernel.

Signed-off-by: default avatarAlexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c7a4e3d8

drivers/net/ethernet/arc/emac_main.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -460,7 +460,7 @@ static void arc_emac_set_rx_mode(struct net_device *ndev) 
		if (ndev->flags & IFF_ALLMULTI) {

		if (ndev->flags & IFF_ALLMULTI) {

			arc_reg_set(priv, R_LAFL, ~0);

			arc_reg_set(priv, R_LAFL, ~0);

			arc_reg_set(priv, R_LAFH, ~0);

			arc_reg_set(priv, R_LAFH, ~0);

		} else {

		} else if (ndev->flags & IFF_MULTICAST) {

			struct netdev_hw_addr *ha;

			struct netdev_hw_addr *ha;

			unsigned int filter[2] = { 0, 0 };

			unsigned int filter[2] = { 0, 0 };

			int bit;

			int bit;
@@ -472,6 +472,9 @@ static void arc_emac_set_rx_mode(struct net_device *ndev) 




			arc_reg_set(priv, R_LAFL, filter[0]);

			arc_reg_set(priv, R_LAFL, filter[0]);

			arc_reg_set(priv, R_LAFH, filter[1]);

			arc_reg_set(priv, R_LAFH, filter[1]);

		} else {

			arc_reg_set(priv, R_LAFL, 0);

			arc_reg_set(priv, R_LAFH, 0);

		}

		}

	}

	}

}

}