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| author |   Bruce Allan <bruce.w.allan@intel.com> | 2010-11-24 06:01:25 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2010-12-10 22:13:08 -0800 |
| commit | ed5c2b0b78e5467f7948bef92b21f3c76823f392 (patch) | |
| tree | c65953d1001154b155c4af3ff6d4fbf4652774b8 /drivers/net/e1000e/82571.c | |
| parent | e1000e: 82571-based mezzanine card can fail ethtool link test (diff) | |
| download | linux-dev-ed5c2b0b78e5467f7948bef92b21f3c76823f392.tar.xz linux-dev-ed5c2b0b78e5467f7948bef92b21f3c76823f392.zip | |
e1000e: 82574/82583 performance improvement
Increasing the transmit fifo by 4K (by decreasing the receive fifo size
specified in .pba by the same amount) increases Tx performance.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 6942e2f86eac..280d41fc2a2d 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -2005,7 +2005,7 @@ struct e1000_info e1000_82574_info = { | FLAG_HAS_AMT | FLAG_HAS_CTRLEXT_ON_LOAD, .flags2 = FLAG2_CHECK_PHY_HANG, - .pba = 36, + .pba = 32, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_82571, .mac_ops = &e82571_mac_ops, @@ -2022,7 +2022,7 @@ struct e1000_info e1000_82583_info = { | FLAG_HAS_SMART_POWER_DOWN | FLAG_HAS_AMT | FLAG_HAS_CTRLEXT_ON_LOAD, - .pba = 36, + .pba = 32, .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, .get_variants = e1000_get_variants_82571, .mac_ops = &e82571_mac_ops, |