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    Subject[PATCH 5.1 20/46] net: ethernet: stmmac: dwmac-sun8i: enable support of unicast filtering
    Date
    From: Corentin Labbe <clabbe@baylibre.com>

    [ Upstream commit d4c26eb6e721683a0f93e346ce55bc8dc3cbb175 ]

    When adding more MAC addresses to a dwmac-sun8i interface, the device goes
    directly in promiscuous mode.
    This is due to IFF_UNICAST_FLT missing flag.

    So since the hardware support unicast filtering, let's add IFF_UNICAST_FLT.

    Fixes: 9f93ac8d4085 ("net-next: stmmac: Add dwmac-sun8i")
    Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
    +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
    @@ -1015,6 +1015,8 @@ static struct mac_device_info *sun8i_dwm
    mac->mac = &sun8i_dwmac_ops;
    mac->dma = &sun8i_dwmac_dma_ops;

    + priv->dev->priv_flags |= IFF_UNICAST_FLT;
    +
    /* The loopback bit seems to be re-set when link change
    * Simply mask it each time
    * Speed 10/100/1000 are set in BIT(2)/BIT(3)

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