enic: implement rx_copybreak

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Calling dma_map_single()/dma_unmap_single() is quite expensive compared
to copying a small packet. So let's copy short frames and keep the buffers
mapped.

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Govindarajulu Varadarajan 2014-09-03 03:17:19 +05:30 • committed by David S. Miller

parent e020836d95

commit a03bb56e67

2 changed files with 48 additions and 3 deletions

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1

drivers/net/ethernet/cisco/enic/enic.h

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50

drivers/net/ethernet/cisco/enic/enic_main.c

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