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myri10ge: limit the number of recoveries

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Limit the number of recoveries from a NIC hw watchdog reset to 1 by default.
It enables detection of defective NICs immediately since these memory parity
errors are expected to happen very rarely (less than once per century*NIC).

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Brice Goglin 2007-06-11 20:26:31 +02:00 committed by Jeff Garzik
parent c27e672172
commit f181137f9d
1 changed files with 10 additions and 2 deletions
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12
drivers/net/myri10ge/myri10ge.c
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@ -279,6 +279,8 @@ static int myri10ge_fill_thresh = 256;
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_reset_recover = 1;
static int myri10ge_wcfifo = 0;
module_param(myri10ge_wcfifo, int, S_IRUGO);
MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled\n");
@ -2730,8 +2732,14 @@ static void myri10ge_watchdog(struct work_struct *work)
* For now, just report it */
reboot = myri10ge_read_reboot(mgp);
printk(KERN_ERR
"myri10ge: %s: NIC rebooted (0x%x), resetting\n",
mgp->dev->name, reboot);
"myri10ge: %s: NIC rebooted (0x%x),%s resetting\n",
mgp->dev->name, reboot,
myri10ge_reset_recover ? " " : " not");
if (myri10ge_reset_recover == 0)
return;
myri10ge_reset_recover--;
/*
* A rebooted nic will come back with config space as
* it was after power was applied to PCIe bus.