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TSG-10254 eBPF支持二元组分流

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TSG-10527 eBPF支持四元组分流
TSG-10369 KNI多线程在TAP模式下支持eBPF分流
This commit is contained in:
luwenpeng
2022-04-24 14:24:09 +08:00
parent 6d75cbe60b
commit f7ea81dad8
21 changed files with 1982 additions and 183 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