[PATCH 1/3] myri10ge: limit the number of recoveries
From: Brice Goglin <hidden>
Date: 2007-06-11 18:26:00
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 <redacted> --- drivers/net/myri10ge/myri10ge.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) Index: linux-rc/drivers/net/myri10ge/myri10ge.c ===================================================================
--- linux-rc.orig/drivers/net/myri10ge/myri10ge.c 2007-05-30 20:58:22.000000000 +0200
+++ linux-rc/drivers/net/myri10ge/myri10ge.c 2007-06-04 19:01:54.000000000 +0200@@ -279,6 +279,8 @@ 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 @@ * 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.