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2ca8d402df
Needed by mediatek/mt76 wireless driver. While here adjust the way is_multicast_ether_addr() is implemented to not look weird. [1] Sponsored by: The FreeBSD Foundation Suggested by: emaste [1] Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D50152 (cherry picked from commit a4618caa43c16e6e672c27dac1943fd833f8bd8f)
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/*-
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* Copyright (c) 2015-2016 Mellanox Technologies, Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_ETHERDEVICE_H_
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#define _LINUXKPI_LINUX_ETHERDEVICE_H_
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#include <linux/types.h>
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#include <linux/device.h>
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#include <sys/random.h>
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#include <sys/libkern.h>
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#define ETH_MODULE_SFF_8079 1
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#define ETH_MODULE_SFF_8079_LEN 256
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#define ETH_MODULE_SFF_8472 2
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#define ETH_MODULE_SFF_8472_LEN 512
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#define ETH_MODULE_SFF_8636 3
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#define ETH_MODULE_SFF_8636_LEN 256
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#define ETH_MODULE_SFF_8436 4
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#define ETH_MODULE_SFF_8436_LEN 256
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struct ethtool_eeprom {
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u32 offset;
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u32 len;
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};
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struct ethtool_modinfo {
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u32 type;
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u32 eeprom_len;
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};
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static inline bool
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is_zero_ether_addr(const u8 * addr)
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{
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return ((addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]) ==
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0x00);
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}
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static inline bool
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is_unicast_ether_addr(const u8 * addr)
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{
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return ((addr[0] & 0x01) == 0x00);
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}
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static inline bool
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is_multicast_ether_addr(const u8 * addr)
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{
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return ((addr[0] & 0x01) == 0x01);
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}
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static inline bool
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is_broadcast_ether_addr(const u8 * addr)
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{
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return ((addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) ==
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0xff);
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}
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static inline bool
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is_valid_ether_addr(const u8 * addr)
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{
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return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
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}
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static inline void
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ether_addr_copy(u8 * dst, const u8 * src)
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{
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memcpy(dst, src, 6);
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}
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static inline bool
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ether_addr_equal_unaligned(const u8 *pa, const u8 *pb)
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{
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return (memcmp(pa, pb, 6) == 0);
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}
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#define ether_addr_equal(_pa, _pb) ether_addr_equal_unaligned(_pa, _pb)
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static inline bool
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ether_addr_equal_64bits(const u8 *pa, const u8 *pb)
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{
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return (memcmp(pa, pb, 6) == 0);
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}
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static inline void
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eth_broadcast_addr(u8 *pa)
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{
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memset(pa, 0xff, 6);
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}
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static inline void
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eth_zero_addr(u8 *pa)
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{
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memset(pa, 0, 6);
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}
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static inline void
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random_ether_addr(u8 *dst)
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{
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arc4random_buf(dst, 6);
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dst[0] &= 0xfe;
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dst[0] |= 0x02;
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}
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static inline void
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eth_random_addr(u8 *dst)
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{
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random_ether_addr(dst);
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}
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static inline int
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device_get_mac_address(struct device *dev, char *dst)
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{
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/* XXX get mac address from FDT? */
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return (-ENOENT);
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}
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#endif /* _LINUXKPI_LINUX_ETHERDEVICE_H_ */
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