| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _LINUX_HEX_H |
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| 3 | #define _LINUX_HEX_H |
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| 4 | |
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| 5 | #include <linux/types.h> |
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| 6 | |
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| 7 | extern const char hex_asc[]; |
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| 8 | #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] |
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| 9 | #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] |
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| 10 | |
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| 11 | static inline char *hex_byte_pack(char *buf, u8 byte) |
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| 12 | { |
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| 13 | *buf++ = hex_asc_hi(byte); |
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| 14 | *buf++ = hex_asc_lo(byte); |
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| 15 | return buf; |
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| 16 | } |
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| 17 | |
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| 18 | extern const char hex_asc_upper[]; |
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| 19 | #define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)] |
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| 20 | #define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4] |
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| 21 | |
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| 22 | static inline char *hex_byte_pack_upper(char *buf, u8 byte) |
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| 23 | { |
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| 24 | *buf++ = hex_asc_upper_hi(byte); |
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| 25 | *buf++ = hex_asc_upper_lo(byte); |
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| 26 | return buf; |
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| 27 | } |
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| 28 | |
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| 29 | extern int hex_to_bin(unsigned char ch); |
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| 30 | extern int __must_check hex2bin(u8 *dst, const char *src, size_t count); |
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| 31 | extern char *bin2hex(char *dst, const void *src, size_t count); |
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| 32 | |
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| 33 | bool mac_pton(const char *s, u8 *mac); |
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| 34 | |
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| 35 | #endif |
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| 36 | |
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