ixgbe: set max desc to prevent total RSC packet size of 64K

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The performance of hardware RSC is greatly reduced if the total for max rsc
descriptors multiplied by the buffer size is greater than 65535.  To
prevent this we need to adjust the max rsc descriptors appropriately.

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>

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Alexander Duyck 2009-05-17 20:57:47 +00:00 • committed by David S. Miller

parent 82d048186e

commit e76678dd65

2 changed files with 20 additions and 11 deletions

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2

drivers/net/ixgbe/ixgbe.h

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29

drivers/net/ixgbe/ixgbe_main.c

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