Under some circumstances, using WC without the WC fifo is faster.
So we make it possible to tune wc_fifo with a module parameter.
Signed-off-by: Brice Goglin [EMAIL PROTECTED]
---
drivers/net/myri10ge/myri10ge.c |6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
Index: linux-rc/drivers/net/myri10ge/myri10ge.c
===
--- linux-rc.orig/drivers/net/myri10ge/myri10ge.c 2007-01-07
16:57:45.0 +0100
+++ linux-rc/drivers/net/myri10ge/myri10ge.c2007-01-09 19:30:43.0
+0100
@@ -274,6 +274,10 @@
module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(myri10ge_fill_thresh, Number of empty rx slots allowed\n);
+static int myri10ge_wcfifo = 1;
+module_param(myri10ge_wcfifo, int, S_IRUGO);
+MODULE_PARM_DESC(myri10ge_wcfifo, Enable WC Fifo when WC is enabled\n);
+
#define MYRI10GE_FW_OFFSET 1024*1024
#define MYRI10GE_HIGHPART_TO_U32(X) \
(sizeof (X) == 8) ? ((u32)((u64)(X) 32)) : (0)
@@ -1714,7 +1718,7 @@
goto abort_with_irq;
}
- if (mgp-mtrr = 0) {
+ if (myri10ge_wcfifo mgp-mtrr = 0) {
mgp-tx.wc_fifo = (u8 __iomem *) mgp-sram + MXGEFW_ETH_SEND_4;
mgp-rx_small.wc_fifo =
(u8 __iomem *) mgp-sram + MXGEFW_ETH_RECV_SMALL;
-
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