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/*-
* Copyright (c) 2015-2016 Mellanox Technologies, Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUXKPI_LINUX_ETHERDEVICE_H_
#define _LINUXKPI_LINUX_ETHERDEVICE_H_
#include <linux/types.h>
#include <linux/device.h>
#include <sys/random.h>
#include <sys/libkern.h>
#define ETH_MODULE_SFF_8079 1
#define ETH_MODULE_SFF_8079_LEN 256
#define ETH_MODULE_SFF_8472 2
#define ETH_MODULE_SFF_8472_LEN 512
#define ETH_MODULE_SFF_8636 3
#define ETH_MODULE_SFF_8636_LEN 256
#define ETH_MODULE_SFF_8436 4
#define ETH_MODULE_SFF_8436_LEN 256
struct ethtool_eeprom {
u32 offset;
u32 len;
};
struct ethtool_modinfo {
u32 type;
u32 eeprom_len;
};
static inline bool
is_zero_ether_addr(const u8 * addr)
{
return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == 0x00);
}
static inline bool
is_multicast_ether_addr(const u8 * addr)
{
return (0x01 & addr[0]);
}
static inline bool
is_broadcast_ether_addr(const u8 * addr)
{
return ((addr[0] + addr[1] + addr[2] + addr[3] + addr[4] + addr[5]) == (6 * 0xff));
}
static inline bool
is_valid_ether_addr(const u8 * addr)
{
return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
}
static inline void
ether_addr_copy(u8 * dst, const u8 * src)
{
memcpy(dst, src, 6);
}
static inline bool
ether_addr_equal_unaligned(const u8 *pa, const u8 *pb)
{
return (memcmp(pa, pb, 6) == 0);
}
#define ether_addr_equal(_pa, _pb) ether_addr_equal_unaligned(_pa, _pb)
static inline bool
ether_addr_equal_64bits(const u8 *pa, const u8 *pb)
{
return (memcmp(pa, pb, 6) == 0);
}
static inline void
eth_broadcast_addr(u8 *pa)
{
memset(pa, 0xff, 6);
}
static inline void
eth_zero_addr(u8 *pa)
{
memset(pa, 0, 6);
}
static inline void
random_ether_addr(u8 *dst)
{
arc4random_buf(dst, 6);
dst[0] &= 0xfe;
dst[0] |= 0x02;
}
static inline void
eth_random_addr(u8 *dst)
{
random_ether_addr(dst);
}
static inline int
device_get_mac_address(struct device *dev, char *dst)
{
/* XXX get mac address from FDT? */
return (-ENOENT);
}
#endif /* _LINUXKPI_LINUX_ETHERDEVICE_H_ */
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