bc1bafbbe9
We do not want to include things like stdio.h and friends into eBPF program builds. bpf_util.h is for host compiled programs, so eBPF C-code helpers don't really belong there. Add a new bpf_endian.h as a quick fix for this for now. Signed-off-by: David S. Miller <davem@davemloft.net>
24 lines
546 B
C
24 lines
546 B
C
#ifndef __BPF_ENDIAN__
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#define __BPF_ENDIAN__
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#include <asm/byteorder.h>
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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# define __bpf_ntohs(x) __builtin_bswap16(x)
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# define __bpf_htons(x) __builtin_bswap16(x)
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define __bpf_ntohs(x) (x)
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# define __bpf_htons(x) (x)
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#else
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# error "Fix your __BYTE_ORDER?!"
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#endif
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#define bpf_htons(x) \
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(__builtin_constant_p(x) ? \
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__constant_htons(x) : __bpf_htons(x))
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#define bpf_ntohs(x) \
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(__builtin_constant_p(x) ? \
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__constant_ntohs(x) : __bpf_ntohs(x))
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#endif
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