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authorAlexander Duyck <alexander.h.duyck@intel.com>2009-04-27 22:42:37 +0000
committerDavid S. Miller <davem@davemloft.net>2009-04-28 01:53:16 -0700
commitf8212f979f777af2a8e3a9deb0c11a9fcf35e305 (patch)
tree4b92bdc66e3ed82208a8dcc28b3b9a0511621669 /drivers/video/pxafb.h
parent45a5ead0220cc7cc70f6961879decffbd0a54cc0 (diff)
ixgbe: enable HW RSC for 82599
This patch enables hardware receive side coalescing for 82599 hardware. 82599 can merge multiple frames from the same TCP/IP flow into a single structure that can span one ore more descriptors. The accumulated data is arranged similar to how jumbo frames are arranged with the exception that other packets can be interlaced inbetween. To overcome this issue a next pointer is included in the written back descriptor which indicates the next descriptor in the writeback sequence. This feature sets the NETIF_F_LRO flag and clearing it via the ethtool set flags operation will also disable hardware RSC. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/video/pxafb.h')
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