Enable early receives on 82573 for jumbo frame performance. Jumbo's
are only supported on 82573L with ASPM disabled.
Signed-off-by: Auke Kok <[EMAIL PROTECTED]>
---
drivers/net/e1000/e1000_main.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 1e1198b..194a07d 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1934,6 +1934,12 @@ e1000_configure_rx(struct e1000_adapter
E1000_WRITE_REG(hw, RXCSUM, rxcsum);
}
+ /* enable early receives on 82573, only takes effect if using > 2048
+ * byte total frame size. for example only for jumbo frames */
+#define E1000_ERT_2048 0x100
+ if (hw->mac_type == e1000_82573)
+ E1000_WRITE_REG(hw, ERT, E1000_ERT_2048);
+
/* Enable Receives */
E1000_WRITE_REG(hw, RCTL, rctl);
}
---
Auke Kok <[EMAIL PROTECTED]>
-
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