samples/bpf/net_shared.h

Source file repositories/reference/linux-study-clean/samples/bpf/net_shared.h

File Facts

System
Linux kernel
Corpus path
samples/bpf/net_shared.h
Extension
.h
Size
843 bytes
Lines
35
Domain
Support Tooling And Documentation
Bucket
samples
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#ifndef _NET_SHARED_H
#define _NET_SHARED_H

#define AF_INET		2
#define AF_INET6	10

#define ETH_ALEN 6
#define ETH_P_802_3_MIN 0x0600
#define ETH_P_8021Q 0x8100
#define ETH_P_8021AD 0x88A8
#define ETH_P_IP 0x0800
#define ETH_P_IPV6 0x86DD
#define ETH_P_ARP 0x0806
#define IPPROTO_ICMPV6 58

#define TC_ACT_OK		0
#define TC_ACT_SHOT		2

#define IFNAMSIZ 16

#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)
#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
	__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define bpf_ntohs(x)		(x)
#define bpf_htons(x)		(x)
#else
# error "Endianness detection needs to be set up for your compiler?!"
#endif

#endif

Annotation

Implementation Notes