1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_HEX_H 3 #define _LINUX_HEX_H 4 5 #include <linux/types.h> 6 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] 10 hex_byte_pack(char * buf,u8 byte)11static inline char *hex_byte_pack(char *buf, u8 byte) 12 { 13 *buf++ = hex_asc_hi(byte); 14 *buf++ = hex_asc_lo(byte); 15 return buf; 16 } 17 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] 21 hex_byte_pack_upper(char * buf,u8 byte)22static inline char *hex_byte_pack_upper(char *buf, u8 byte) 23 { 24 *buf++ = hex_asc_upper_hi(byte); 25 *buf++ = hex_asc_upper_lo(byte); 26 return buf; 27 } 28 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); 32 33 bool mac_pton(const char *s, u8 *mac); 34 35 #endif 36