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TSG-14829 io_uring支持触发事件，适配mrzcpd的epoll_wait功能

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luwenpeng
2023-04-21 17:57:23 +08:00
parent 6e02f6b8ac
commit 97a4386bc4
20 changed files with 2255 additions and 1 deletions
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25
bpf/libendian.h Normal file
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/* Copyright Authors of Cilium */
#ifndef __LIB_ENDIAN_H_
#define __LIB_ENDIAN_H_
#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define __bpf_ntohs(x) __builtin_bswap16(x)
#define __bpf_htons(x) __builtin_bswap16(x)
#define __bpf_ntohl(x) __builtin_bswap32(x)
#define __bpf_htonl(x) __builtin_bswap32(x)
#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define __bpf_ntohs(x) (x)
#define __bpf_htons(x) (x)
#define __bpf_ntohl(x) (x)
#define __bpf_htonl(x) (x)
#else
#error "Endianness detection needs to be set up for your compiler?!"
#endif
#define bpf_htons(x) (__builtin_constant_p(x) ? __constant_htons(x) : __bpf_htons(x))
#define bpf_ntohs(x) (__builtin_constant_p(x) ? __constant_ntohs(x) : __bpf_ntohs(x))
#define bpf_htonl(x) (__builtin_constant_p(x) ? __constant_htonl(x) : __bpf_htonl(x))
#define bpf_ntohl(x) (__builtin_constant_p(x) ? __constant_ntohl(x) : __bpf_ntohl(x))
#endif