1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/types.h>
7 extern const char hex_asc[];
8 #define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
9 #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
11 static inline char *hex_byte_pack(char *buf, u8 byte)
13 *buf++ = hex_asc_hi(byte);
14 *buf++ = hex_asc_lo(byte);
18 extern const char hex_asc_upper[];
19 #define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)]
20 #define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4]
22 static inline char *hex_byte_pack_upper(char *buf, u8 byte)
24 *buf++ = hex_asc_upper_hi(byte);
25 *buf++ = hex_asc_upper_lo(byte);
29 extern int hex_to_bin(unsigned char ch);
30 extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
31 extern char *bin2hex(char *dst, const void *src, size_t count);
33 bool mac_pton(const char *s, u8 *mac);