xref: /titanic_41/usr/src/uts/sun4v/io/vnet_common.c (revision f8919bdadda3ebb97bd55cc14a16e0271ed57615)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/types.h>
30 #include <sys/ethernet.h>
31 #include <sys/vnet_common.h>
32 
33 /* convert mac address from string to uint64_t */
34 uint64_t
35 vnet_macaddr_strtoul(const uint8_t *macaddr)
36 {
37 	uint64_t val = 0;
38 	int i;
39 
40 	for (i = 0; i < ETHERADDRL; i++) {
41 		val <<= 8;
42 		val |= macaddr[i];
43 	}
44 
45 	return (val);
46 }
47 
48 /* convert mac address from uint64_t to string */
49 void
50 vnet_macaddr_ultostr(uint64_t val, uint8_t *macaddr)
51 {
52 	int i;
53 	uint64_t value;
54 
55 	value = val;
56 	for (i = ETHERADDRL - 1; i >= 0; i--) {
57 		macaddr[i] = value & 0xFF;
58 		value >>= 8;
59 	}
60 }
61