etherdevice.h revision 290135
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: head/sys/compat/linuxkpi/common/include/linux/etherdevice.h 290135 2015-10-29 08:28:39Z hselasky $ 26 */ 27#ifndef _LINUX_ETHERDEVICE 28#define _LINUX_ETHERDEVICE 29 30#include <linux/types.h> 31 32static inline bool 33is_zero_ether_addr(const u8 * addr) 34{ 35 return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == 0x00); 36} 37 38static inline bool 39is_multicast_ether_addr(const u8 * addr) 40{ 41 return (0x01 & addr[0]); 42} 43 44static inline bool 45is_broadcast_ether_addr(const u8 * addr) 46{ 47 return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == (6 * 0xff)); 48} 49 50static inline bool 51is_valid_ether_addr(const u8 * addr) 52{ 53 return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr); 54} 55 56static inline void 57ether_addr_copy(u8 * dst, const u8 * src) 58{ 59 memcpy(dst, src, 6); 60} 61 62#endif /* _LINUX_ETHERDEVICE */ 63