Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=128c6e2e519fe7d0a15de04f3dde00700145cec4
Commit: 128c6e2e519fe7d0a15de04f3dde00700145cec4
Parent: c3d1182a538fd99b6fe5effa1ab54521c0efb1d1
Author: Linas Vepstas <[EMAIL PROTECTED]>
AuthorDate: Mon Jun 11 13:29:03 2007 -0500
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Wed Jun 20 19:09:33 2007 -0400
spidernet: turn off descriptor chain end interrupt.
At some point, the transmit descriptor chain end interrupt (TXDCEINT)
was turned on. This is a mistake; and it damages small packet
transmit performance, as it results in a huge storm of interrupts.
Turn it off.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/spider_net.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index f457bce..1d054aa 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -222,6 +222,7 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_GDTBSTA 0x00000300
#define SPIDER_NET_GDTDCEIDIS 0x00000002
#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \
+ SPIDER_NET_GDTDCEIDIS | \
SPIDER_NET_GDTBSTA
#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003
@@ -332,8 +333,7 @@ enum spider_net_int2_status {
SPIDER_NET_GRISPDNGINT
};
-#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) | \
- (1 << SPIDER_NET_GDTDCEINT) )
+#define SPIDER_NET_TXINT (1 << SPIDER_NET_GDTFDCINT)
/* We rely on flagged descriptor interrupts */
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) )
-
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