Andrew,
Please apply.
--linas
This patch corrects a problem seen on later kernels running
the NetPIPE application. Specifically, NetPIPE would begin
running very slowly at the 1533 packet size. It was
determined that Spidernet slowed with an idle DMA
engine.
Signed-off-by: James K Lewis <[EMAIL PROTECTED]>
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
----
drivers/net/spider_net.c | 2 +-
drivers/net/spider_net.h | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)
Index: linux-2.6.19-rc4-git3/drivers/net/spider_net.c
===================================================================
--- linux-2.6.19-rc4-git3.orig/drivers/net/spider_net.c 2006-11-01
19:14:34.000000000 -0600
+++ linux-2.6.19-rc4-git3/drivers/net/spider_net.c 2006-11-17
13:33:44.000000000 -0600
@@ -1606,7 +1606,7 @@ spider_net_enable_card(struct spider_net
SPIDER_NET_INT2_MASK_VALUE);
spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
- SPIDER_NET_GDTBSTA | SPIDER_NET_GDTDCEIDIS);
+ SPIDER_NET_GDTBSTA);
}
/**
Index: linux-2.6.19-rc4-git3/drivers/net/spider_net.h
===================================================================
--- linux-2.6.19-rc4-git3.orig/drivers/net/spider_net.h 2006-11-01
19:14:34.000000000 -0600
+++ linux-2.6.19-rc4-git3/drivers/net/spider_net.h 2006-11-17
16:19:30.000000000 -0600
@@ -24,7 +24,7 @@
#ifndef _SPIDER_NET_H
#define _SPIDER_NET_H
-#define VERSION "1.1 A"
+#define VERSION "1.6 A"
#include "sungem_phy.h"
@@ -217,8 +217,7 @@ 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_GDTBSTA | \
- SPIDER_NET_GDTDCEIDIS
+ SPIDER_NET_GDTBSTA
#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003
@@ -328,7 +327,8 @@ enum spider_net_int2_status {
SPIDER_NET_GRISPDNGINT
};
-#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) )
+#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) | \
+ (1 << SPIDER_NET_GDTDCEINT) )
/* We rely on flagged descriptor interrupts */
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) )
-
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