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(parent: 82d0481) | patch
ixgbe: set max desc to prevent total RSC packet size of 64K
authorAlexander Duyck <alexander.h.duyck@intel.com>
Sun, 17 May 2009 20:57:47 +0000 (20:57 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 May 2009 22:09:43 +0000 (15:09 -0700)
commite76678dd654545c98a5d0bdc66bd41350573c23e
tree86e4ff745d686f82353c460542e321ba0b09cbc0tree | snapshot (tar.gz zip)
parent82d048186e403f36e083b37ad42aa90abb7dcaaccommit | diff
ixgbe: set max desc to prevent total RSC packet size of 64K

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>
drivers/net/ixgbe/ixgbe.h diff | blob | blame | history
drivers/net/ixgbe/ixgbe_main.c diff | blob | blame | history