Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=485982a99a8a0b547aebedc3d0017dbffc3a44c0
Commit: 485982a99a8a0b547aebedc3d0017dbffc3a44c0
Parent: 21d7f67700ad7a4523d35d43ce95755e40eae5b7
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 26 11:54:52 2007 -0800
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Sat Dec 1 16:32:29 2007 -0500
skge: increase TX threshold for Jumbo
Need to increase TX threshold when doing Jumbo frames on dual port board
to avoid underruns. (Code from sk98lin).
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/skge.c | 11 +++++------
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 73a4246..f7e0fbb 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -1633,15 +1633,14 @@ static void genesis_mac_init(struct skge_hw *hw, int
port)
}
xm_write16(hw, port, XM_RX_CMD, r);
-
/* We want short frames padded to 60 bytes. */
xm_write16(hw, port, XM_TX_CMD, XM_TX_AUTO_PAD);
- /*
- * Bump up the transmit threshold. This helps hold off transmit
- * underruns when we're blasting traffic from both ports at once.
- */
- xm_write16(hw, port, XM_TX_THR, 512);
+ /* Increase threshold for jumbo frames on dual port */
+ if (hw->ports > 1 && jumbo)
+ xm_write16(hw, port, XM_TX_THR, 1020);
+ else
+ xm_write16(hw, port, XM_TX_THR, 512);
/*
* Enable the reception of all error frames. This is is
-
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