xref: /freebsd/sys/compat/linuxkpi/common/include/linux/etherdevice.h (revision fc7284da06408923f7850a0e4e954a903b8ee038)
1 /*-
2  * Copyright (c) 2015 Mellanox Technologies, Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice unmodified, this list of conditions, and the following
9  *    disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 #ifndef _LINUX_ETHERDEVICE
28 #define	_LINUX_ETHERDEVICE
29 
30 #include <linux/types.h>
31 
32 #define	ETH_MODULE_SFF_8079		1
33 #define	ETH_MODULE_SFF_8079_LEN		256
34 #define	ETH_MODULE_SFF_8472		2
35 #define	ETH_MODULE_SFF_8472_LEN		512
36 #define	ETH_MODULE_SFF_8636		3
37 #define	ETH_MODULE_SFF_8636_LEN		256
38 #define	ETH_MODULE_SFF_8436		4
39 #define	ETH_MODULE_SFF_8436_LEN		256
40 
41 struct ethtool_eeprom {
42 	u32	offset;
43 	u32	len;
44 };
45 
46 struct ethtool_modinfo {
47 	u32	type;
48 	u32	eeprom_len;
49 };
50 
51 static inline bool
52 is_zero_ether_addr(const u8 * addr)
53 {
54 	return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == 0x00);
55 }
56 
57 static inline bool
58 is_multicast_ether_addr(const u8 * addr)
59 {
60 	return (0x01 & addr[0]);
61 }
62 
63 static inline bool
64 is_broadcast_ether_addr(const u8 * addr)
65 {
66 	return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == (6 * 0xff));
67 }
68 
69 static inline bool
70 is_valid_ether_addr(const u8 * addr)
71 {
72 	return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
73 }
74 
75 static inline void
76 ether_addr_copy(u8 * dst, const u8 * src)
77 {
78 	memcpy(dst, src, 6);
79 }
80 
81 #endif					/* _LINUX_ETHERDEVICE */
82