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authorBruce Allan <bruce.w.allan@intel.com>2010-09-29 21:39:37 +0000
committerDavid S. Miller <davem@davemloft.net>2010-09-30 18:00:17 -0700
commit828bac87bb074f3366621724fdfbe314f98ccc7e (patch)
tree8ecc93bdabac266c288894efcc9b426e142a9f8e /drivers/net/e1000e/ich8lan.c
parent3a3b75860527a11ba5035c6aa576079245d09e2a (diff)
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e1000e: 82579 performance improvements
The initial support for 82579 was tuned poorly for performance. Adjust the packet buffer allocation appropriately for both standard and jumbo frames; and for jumbo frames increase the receive descriptor pre-fetch, disable adaptive interrupt moderation and set the DMA latency tolerance. 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>
Diffstat (limited to 'drivers/net/e1000e/ich8lan.c')
-rw-r--r--drivers/net/e1000e/ich8lan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 57b5435599ab..e3374d9a2472 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -3986,7 +3986,7 @@ struct e1000_info e1000_pch2_info = {
| FLAG_APME_IN_WUC,
.flags2 = FLAG2_HAS_PHY_STATS
| FLAG2_HAS_EEE,
- .pba = 18,
+ .pba = 26,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_ich8lan,
.mac_ops = &ich8_mac_ops,