#ifndef BUILT_IN_H #define BUILT_IN_H /* Parts taken from the Linux kernel, GPL, version 2. */ #include <stddef.h> #include <stdint.h> #include <linux/if_packet.h> #include <assert.h> #include <endian.h> #include <byteswap.h> #include <asm/byteorder.h> typedef uint64_t u64; typedef uint32_t u32; typedef uint16_t u16; typedef uint8_t u8; #ifndef CO_CACHE_LINE_SIZE # define CO_CACHE_LINE_SIZE (1 << CO_IN_CACHE_SHIFT) #endif #ifndef __aligned_16 # define __aligned_16 __attribute__((aligned(16))) #endif #ifndef __cacheline_aligned # define __cacheline_aligned __attribute__((aligned(CO_CACHE_LINE_SIZE))) #endif #ifndef __aligned_tpacket # define __aligned_tpacket __attribute__((aligned(TPACKET_ALIGNMENT))) #endif #ifndef __align_tpacket # define __align_tpacket(x) __attribute__((aligned(TPACKET_ALIGN(x)))) #endif #ifndef __check_format_printf # define __check_format_printf(pos_fmtstr, pos_fmtargs) \ __attribute__ ((format (printf, (pos_fmtstr), (pos_fmtargs)))) #endif #ifndef __packed # define __packed __attribute__((packed)) #endif #ifndef round_up # define round_up(x, alignment) (((x) + (alignment) - 1) & ~((alignment) - 1)) #endif #ifndef round_up_cacheline # define round_up_cacheline(x) round_up((x), CO_CACHE_LINE_SIZE) #endif #ifndef likely # define likely(x) __builtin_expect(!!(x), 1) #endif #ifndef unlikely # define unlikely(x) __builtin_expect(!!(x), 0) #endif #ifndef constant # define constant(x) __builtin_constant_p(x) #endif #ifndef __maybe_unused # define __maybe_unused __attribute__((__unused__)) #endif #ifndef __warn_unused_result # define __warn_unused_result __attribute__((warn_unused_result)) #endif #ifndef noinline # define noinline __attribute__((noinline)) #endif #ifndef __noreturn # define __noreturn __attribute__((noreturn)) #endif #ifndef __hidden # define __hidden __attribute__((visibility("hidden"))) #endif #ifndef __pure # define __pure __attribute__ ((pure)) #endif #ifndef __force # define __force /* unimplemented */ #endif /* see config_enabled et al. in linux/kconfig.h for details. */ #define __ARG_PLACEHOLDER_1 0, #define is_defined(cfg) _is_defined(cfg) #define _is_defined(value) __is_defined(__ARG_PLACEHOLDER_##value) #define __is_defined(arg1_or_junk) ___is_defined(arg1_or_junk 1, 0) #define ___is_defined(__ignored, val, ...) val #ifndef max # define max(a, b) \ ({ \ typeof (a) _a = (a); \ typeof (b) _b = (b); \ _a > _b ? _a : _b; \ }) #endif /* max */ #ifndef max_t # define max_t(type, a, b) \ ({ \ type ___max1 = (a); \ type ___max2 = (b); \ ___max1 > ___max2 ? ___max1 : ___max2; \ }) #endif /* max_t */ #ifndef min # define min(a, b) \ ({ \ typeof (a) _a = (a); \ typeof (b) _b = (b); \ _a < _b ? _a : _b; \ }) #endif /* min */ #ifndef min_t # define min_t(type, a, b) \ ({ \ type ___min1 = (a); \ type ___min2 = (b); \ ___min1 < ___min2 ? ___min1 : ___min2; \ }) #endif /* min_t */ #ifndef ispow2 # define ispow2(x) ({ !!((x) && !((x) & ((x) - 1))); }) #endif #ifndef offsetof # define offsetof(type, member) ((size_t) &((type *) 0)->member) #endif #ifndef container_of # define container_of(ptr, type, member) \ ({ \ const typeof(((type *) 0)->member) * __mptr = (ptr); \ (type *) ((char *) __mptr - offsetof(type, member)); \ }) #endif #ifndef array_size # define array_size(x) (sizeof(x) / sizeof((x)[0]) + __must_be_array(x)) #endif #ifndef __must_be_array # define __must_be_array(x) \ build_bug_on_zero(__builtin_types_compatible_p(typeof(x), \ typeof(&x[0]))) #endif #ifndef build_bug_on_zero # define build_bug_on_zero(e) (sizeof(char[1 - 2 * !!(e)]) - 1) #endif #ifndef build_bug_on # define build_bug_on(e) ((void)sizeof(char[1 - 2*!!(e)])) #endif #ifndef bug_on # define bug_on(cond) assert(!(cond)) #endif #ifndef bug # define bug() assert(0) #endif #define RUNTIME_PAGE_SIZE (sysconf(_SC_PAGE_SIZE)) #define PAGE_MASK (~(RUNTIME_PAGE_SIZE - 1)) #define PAGE_ALIGN(addr) (((addr) + RUNTIME_PAGE_SIZE - 1) & PAGE_MASK) #if __BYTE_ORDER == __LITTLE_ENDIAN static inline uint64_t htonll(uint64_t x) { return bswap_64(x); } static inline uint64_t ntohll(uint64_t x) { return bswap_64(x); } #elif __BYTE_ORDER == __BIG_ENDIAN static inline uint64_t htonll(uint64_t x) { return x; } static inline uint64_t ntohll(uint64_t x) { return x; } #else # error __BYTE_ORDER is neither __LITTLE_ENDIAN nor __BIG_ENDIAN #endif #ifndef ___constant_swab16 # define ___constant_swab16(x) ((__u16)( \ (((__u16)(x) & (__u16)0x00ffU) << 8) | \ (((__u16)(x) & (__u16)0xff00U) >> 8))) #endif #ifndef ___constant_swab32 # define ___constant_swab32(x) ((__u32)( \ (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ (((__u32)(x) & (__u32)0xff000000UL) >> 24))) #endif #if __BYTE_ORDER == __LITTLE_ENDIAN static inline u16 cpu_to_be16(u16 val) { return bswap_16(val); } static inline u32 cpu_to_be32(u32 val) { return bswap_32(val); } static inline u64 cpu_to_be64(u64 val) { return bswap_64(val); } static inline u16 cpu_to_le16(u16 val) { return val; } static inline u32 cpu_to_le32(u32 val) { return val; } static inline u64 cpu_to_le64(u64 val) { return val; } # ifndef __constant_htonl # define __constant_htonl(x) ((__force __be32)___constant_swab32((x))) # endif # ifndef __constant_ntohl # define __constant_ntohl(x) ___constant_swab32((__force __be32)(x)) # endif # ifndef __constant_htons # define __constant_htons(x) ((__force __be16)___constant_swab16((x))) # endif # ifndef __constant_ntohs # define __constant_ntohs(x) ___constant_swab16((__force __be16)(x)) # endif #elif __BYTE_ORDER == __BIG_ENDIAN static inline u16 cpu_to_be16(u16 val) { return val; } static inline u32 cpu_to_be32(u32 val) { return val; } static inline u64 cpu_to_be64(u64 val) { return val; } static inline u16 cpu_to_le16(u16 val) { return bswap_16(val); } static inline u32 cpu_to_le32(u32 val) { return bswap_32(val); } static inline u64 cpu_to_le64(u64 val) { return bswap_64(val); } # ifndef __constant_htonl # define __constant_htonl(x) ((__force __be32)(__u32)(x)) # endif # ifndef __constant_ntohl # define __constant_ntohl(x) ((__force __u32)(__be32)(x)) # endif # ifndef __constant_htons # define __constant_htons(x) ((__force __be16)(__u16)(x)) # endif # ifndef __constant_ntohs # define __constant_ntohs(x) ((__force __u16)(__be16)(x)) # endif #else # error __BYTE_ORDER is neither __LITTLE_ENDIAN nor __BIG_ENDIAN #endif #define le64_to_cpu cpu_to_le64 #define le32_to_cpu cpu_to_le32 #define le16_to_cpu cpu_to_le16 #define be64_to_cpu cpu_to_be64 #define be32_to_cpu cpu_to_be32 #define be16_to_cpu cpu_to_be16 #if defined(__amd64__) || defined(__x86_64__) || defined(__AMD64__) || \ defined(_M_X64) || defined(__amd64) # define CO_IN_CACHE_SHIFT 7 #elif defined(__i386__) || defined(__x86__) || defined(__X86__) || \ defined(_M_IX86) || defined(__i386) # define CO_IN_CACHE_SHIFT 7 #elif defined(__ia64__) || defined(__IA64__) || defined(__M_IA64) # define CO_IN_CACHE_SHIFT 6 #elif defined(__SPU__) # define CO_IN_CACHE_SHIFT 7 #elif defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) || \ defined(_ARCH_PPC64) # define CO_IN_CACHE_SHIFT 8 #elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) || \ defined(_ARCH_PPC) # define CO_IN_CACHE_SHIFT 7 #elif defined(__sparcv9__) || defined(__sparcv9) # define CO_IN_CACHE_SHIFT 6 #elif defined(__sparc_v8__) # define CO_IN_CACHE_SHIFT 5 #elif defined(__sparc__) || defined(__sparc) # define CO_IN_CACHE_SHIFT 5 #elif defined(__ARM_EABI__) # define CO_IN_CACHE_SHIFT 5 #elif defined(__arm__) # define CO_IN_CACHE_SHIFT 5 #elif defined(__mips__) || defined(__mips) || defined(__MIPS__) # if defined(_ABIO32) # define CO_IN_CACHE_SHIFT 5 # elif defined(_ABIN32) # define CO_IN_CACHE_SHIFT 5 # else # define CO_IN_CACHE_SHIFT 6 # endif #else # define CO_IN_CACHE_SHIFT 5 #endif #ifndef TP_STATUS_TS_SOFTWARE # define TP_STATUS_TS_SOFTWARE (1 << 29) #endif #ifndef TP_STATUS_TS_SYS_HARDWARE # define TP_STATUS_TS_SYS_HARDWARE (1 << 30) #endif #ifndef TP_STATUS_TS_RAW_HARDWARE # define TP_STATUS_TS_RAW_HARDWARE (1 << 31) #endif #ifndef PACKET_QDISC_BYPASS # define PACKET_QDISC_BYPASS 20 #endif #ifndef ARPHRD_CAN # define ARPHRD_CAN 280 #endif #ifndef ARPHRD_IEEE802154_MONITOR # define ARPHRD_IEEE802154_MONITOR 805 #endif #ifndef ARPHRD_PHONET # define ARPHRD_PHONET 820 #endif #ifndef ARPHRD_PHONET_PIPE # define ARPHRD_PHONET_PIPE 821 #endif #ifndef ARPHRD_CAIF # define ARPHRD_CAIF 822 #endif #ifndef ARPHRD_IP6GRE # define ARPHRD_IP6GRE 823 #endif #ifndef ARPHRD_NETLINK # define ARPHRD_NETLINK 824 #endif #ifndef PACKET_USER # define PACKET_USER 6 #endif #ifndef PACKET_KERNEL # define PACKET_KERNEL 7 #endif #ifndef DEFFILEMODE # define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666 */ #endif #endif /* BUILT_IN_H */