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e1000e: packet split should not be used with early receive 

Originally it was thought there were issues with ICHx/PCH parts with packet
split when jumbo frames were enabled but in fact it is really only when
early-receive is enabled (via ERT register) on these parts.  Use packet
split with jumbos but only when early-receive is not enabled.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bruce Allan 2010-06-17 18:59:27 +00:00 committed by David S. Miller
parent f2e2b3abe4
commit dbcb9fec5c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/e1000e/netdev.c
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@ -2772,7 +2772,7 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
* per packet.
*/
pages = PAGE_USE_COUNT(adapter->netdev->mtu);
if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) &&
(PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
adapter->rx_ps_pages = pages;
else