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![Daniel T. Lee](/assets/img/avatar_default.png)
This commit applies "net_shared.h" to BPF programs to remove existing network related header dependencies. Also, this commit removes unnecessary headers before applying "vmlinux.h" to the BPF programs. Mostly, endianness conversion function has been applied to the source. In addition, several macros have been defined to fulfill the INET, TC-related constants. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Link: https://lore.kernel.org/r/20230115071613.125791-9-danieltimlee@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
32 lines
822 B
C
32 lines
822 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef _NET_SHARED_H
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#define _NET_SHARED_H
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#define AF_INET 2
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#define AF_INET6 10
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#define ETH_ALEN 6
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#define ETH_P_802_3_MIN 0x0600
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#define ETH_P_8021Q 0x8100
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#define ETH_P_8021AD 0x88A8
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#define ETH_P_IP 0x0800
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#define ETH_P_IPV6 0x86DD
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#define ETH_P_ARP 0x0806
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#define IPPROTO_ICMPV6 58
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#define TC_ACT_OK 0
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#define TC_ACT_SHOT 2
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#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
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__BYTE_ORDER__ == __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 defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
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__BYTE_ORDER__ == __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 "Endianness detection needs to be set up for your compiler?!"
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#endif
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#endif
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