svn commit: r241409 - head/sys/dev/cxgbe
Navdeep Parhar
np at FreeBSD.org
Wed Oct 10 19:27:41 UTC 2012
Author: np
Date: Wed Oct 10 19:27:40 2012
New Revision: 241409
URL: http://svn.freebsd.org/changeset/base/241409
Log:
Add a driver ioctl to clear a port's MAC statistics.
Submitted by: gnn@
MFC after: 3 days
Modified:
head/sys/dev/cxgbe/t4_ioctl.h
head/sys/dev/cxgbe/t4_main.c
Modified: head/sys/dev/cxgbe/t4_ioctl.h
==============================================================================
--- head/sys/dev/cxgbe/t4_ioctl.h Wed Oct 10 19:08:46 2012 (r241408)
+++ head/sys/dev/cxgbe/t4_ioctl.h Wed Oct 10 19:27:40 2012 (r241409)
@@ -50,6 +50,7 @@ enum {
T4_LOAD_FW, /* flash firmware */
T4_GET_MEM, /* read memory */
T4_GET_I2C, /* read from i2c addressible device */
+ T4_CLEAR_STATS, /* clear a port's MAC statistics */
};
struct t4_reg {
@@ -234,4 +235,5 @@ struct t4_mem_range {
#define CHELSIO_T4_LOAD_FW _IOW('f', T4_LOAD_FW, struct t4_data)
#define CHELSIO_T4_GET_MEM _IOW('f', T4_GET_MEM, struct t4_mem_range)
#define CHELSIO_T4_GET_I2C _IOWR('f', T4_GET_I2C, struct t4_i2c_data)
+#define CHELSIO_T4_CLEAR_STATS _IOW('f', T4_CLEAR_STATS, uint32_t)
#endif
Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c Wed Oct 10 19:08:46 2012 (r241408)
+++ head/sys/dev/cxgbe/t4_main.c Wed Oct 10 19:27:40 2012 (r241409)
@@ -5400,6 +5400,15 @@ t4_ioctl(struct cdev *dev, unsigned long
rc = read_i2c(sc, (struct t4_i2c_data *)data);
ADAPTER_UNLOCK(sc);
break;
+ case CHELSIO_T4_CLEAR_STATS: {
+ u_int port_id = *(uint32_t *)data;
+
+ if (port_id >= sc->params.nports)
+ return (EINVAL);
+
+ t4_clr_port_stats(sc, port_id);
+ break;
+ }
default:
rc = EINVAL;
}
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