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igb: Enable TSO for stacked vlan
authorToshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Fri, 27 Mar 2015 05:31:16 +0000 (14:31 +0900)
committerDavid S. Miller <davem@davemloft.net>
Sun, 29 Mar 2015 20:33:25 +0000 (13:33 -0700)
commit1abbc98a8ac5c6cc016e672e5888b6416ae243f6
tree1c51d0aad72f03283affc7cc91e8106f3e67d672tree
parentb9f4cf7531ac7a0c99db9e08d0a83cb559251beacommit | diff
igb: Enable TSO for stacked vlan

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>
drivers/net/ethernet/intel/igb/igb_main.c diff | blob | blame | history
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