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| author | Alexander Kochetkov <al.kochet@gmail.com> | 2016-11-14 16:32:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-15 19:58:13 -0500 |
| commit | d0e3f65b34c528ec2b7d1ba9a620b483f71788d3 (patch) | |
| tree | 87af8020e550b82ebb8ec85dab07fe10c07912b8 /drivers/net/ethernet/arc | |
| parent | c7a4e3d8c0d43a4f31f8b2ccf476e5a26eb85142 (diff) | |
| download | linux-d0e3f65b34c528ec2b7d1ba9a620b483f71788d3.tar.gz linux-d0e3f65b34c528ec2b7d1ba9a620b483f71788d3.tar.bz2 linux-d0e3f65b34c528ec2b7d1ba9a620b483f71788d3.zip | |
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: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/arc')
| -rw-r--r-- | drivers/net/ethernet/arc/emac_main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 2e4ee86a7e51..be865b4dada2 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -460,7 +460,7 @@ static void arc_emac_set_rx_mode(struct net_device *ndev) if (ndev->flags & IFF_ALLMULTI) { arc_reg_set(priv, R_LAFL, ~0); arc_reg_set(priv, R_LAFH, ~0); - } else { + } else if (ndev->flags & IFF_MULTICAST) { struct netdev_hw_addr *ha; unsigned int filter[2] = { 0, 0 }; 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_LAFH, filter[1]); + } else { + arc_reg_set(priv, R_LAFL, 0); + arc_reg_set(priv, R_LAFH, 0); } } } |