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authorstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
committerstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
commit7c478bd95313f5f23a4c958a745db2134aa03244 (patch)
treec871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/uts/common/sys/netlb.h
downloadillumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz
OpenSolaris Launch
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1992-2003 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _NETLB_H
+#define _NETLB_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The following ioctls may be implemented by any network driver
+ * that provides loopback functionality.
+ */
+#define LB_IOC ('U' << 8)
+#define LB_GET_INFO_SIZE (LB_IOC|0) /* Get size of loopback info */
+#define LB_GET_INFO (LB_IOC|1) /* Get loopback info table */
+#define LB_GET_MODE (LB_IOC|2) /* Get current loopback mode */
+#define LB_SET_MODE (LB_IOC|3) /* Set current loopback mode */
+
+/*
+ * The 'loopback info' is a table (array) of available loopback modes.
+ * Each has a generic type (normal/external/internal), a name (e.g. the
+ * speed or style of loopback implemented), and a key value, used in the
+ * GET_MODE and SET_MODE commands.
+ *
+ * So, a loopback-test program could:
+ * open the network device
+ * use the LB_GET_INFO_SIZE ioctl (parameter: &size)
+ * to find the size of the info array
+ * allocate some space for the info array
+ * use the LB_GET_INFO ioctl (parameter: infoptr)
+ * to get the whole info array
+ * search the array for a particular type of loopback (e.g. internal),
+ * or display all the available modes for the user to select one
+ * use the LB_GET_MODE ioctl (parameter: &oldmode)
+ * to get the current mode
+ * use the LB_SET_MODE ioctl (parameter: &newmode)
+ * to set the new mode
+ * perform the test(s)
+ * use the LB_SET_MODE ioctl (parameter: &oldmode)
+ * to restore the new mode
+ */
+
+typedef uint32_t lb_info_sz_t;
+
+typedef enum {
+ normal,
+ external,
+ internal
+} lb_type_t;
+
+typedef struct _lb_property_t {
+ lb_type_t lb_type;
+ char key[16];
+ uint32_t value;
+} lb_property_t, *p_lb_property_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NETLB_H */