1/*- 2 * Copyright (c) 2015-2016 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#ifndef _LINUXKPI_LINUX_ETHERDEVICE_H_ 26#define _LINUXKPI_LINUX_ETHERDEVICE_H_ 27 28#include <linux/types.h> 29#include <linux/device.h> 30 31#include <sys/random.h> 32#include <sys/libkern.h> 33 34#define ETH_MODULE_SFF_8079 1 35#define ETH_MODULE_SFF_8079_LEN 256 36#define ETH_MODULE_SFF_8472 2 37#define ETH_MODULE_SFF_8472_LEN 512 38#define ETH_MODULE_SFF_8636 3 39#define ETH_MODULE_SFF_8636_LEN 256 40#define ETH_MODULE_SFF_8436 4 41#define ETH_MODULE_SFF_8436_LEN 256 42 43struct ethtool_eeprom { 44 u32 offset; 45 u32 len; 46}; 47 48struct ethtool_modinfo { 49 u32 type; 50 u32 eeprom_len; 51}; 52 53static inline bool 54is_zero_ether_addr(const u8 * addr) 55{ 56 return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == 0x00); 57} 58 59static inline bool 60is_multicast_ether_addr(const u8 * addr) 61{ 62 return (0x01 & addr[0]); 63} 64 65static inline bool 66is_broadcast_ether_addr(const u8 * addr) 67{ 68 return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == (6 * 0xff)); 69} 70 71static inline bool 72is_valid_ether_addr(const u8 * addr) 73{ 74 return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr); 75} 76 77static inline void 78ether_addr_copy(u8 * dst, const u8 * src) 79{ 80 memcpy(dst, src, 6); 81} 82 83static inline bool 84ether_addr_equal_unaligned(const u8 *pa, const u8 *pb) 85{ 86 return (memcmp(pa, pb, 6) == 0); 87} 88#define ether_addr_equal(_pa, _pb) ether_addr_equal_unaligned(_pa, _pb) 89 90static inline bool 91ether_addr_equal_64bits(const u8 *pa, const u8 *pb) 92{ 93 return (memcmp(pa, pb, 6) == 0); 94} 95 96static inline void 97eth_broadcast_addr(u8 *pa) 98{ 99 memset(pa, 0xff, 6); 100} 101 102static inline void 103eth_zero_addr(u8 *pa) 104{ 105 memset(pa, 0, 6); 106} 107 108static inline void 109random_ether_addr(u8 *dst) 110{ 111 arc4random_buf(dst, 6); 112 113 dst[0] &= 0xfe; 114 dst[0] |= 0x02; 115} 116 117static inline void 118eth_random_addr(u8 *dst) 119{ 120 121 random_ether_addr(dst); 122} 123 124static inline int 125device_get_mac_address(struct device *dev, char *dst) 126{ 127 128 /* XXX get mac address from FDT? */ 129 return (-ENOENT); 130} 131 132#endif /* _LINUXKPI_LINUX_ETHERDEVICE_H_ */ 133