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igb: Enable TSO for stacked vlan

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As datasheets for igb (I210, I350, 82576, etc.) say, maclen can be from
14 to 127, which is enough for reasonable number of vlan tags.
My netperf test showed I350's TSO works pretty fine with multiple vlans.

Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Toshiaki Makita 2015-03-27 14:31:16 +09:00 committed by David S. Miller
parent b9f4cf7531
commit 1abbc98a8a
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/intel/igb/igb_main.c
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@ -2093,6 +2093,7 @@ static const struct net_device_ops igb_netdev_ops = {
#endif
.ndo_fix_features = igb_fix_features,
.ndo_set_features = igb_set_features,
.ndo_features_check = passthru_features_check,
};
/**