include/uapi/linux/netfilter_arp/arpt_mangle.h

File Facts

System

Linux kernel

Corpus path

include/uapi/linux/netfilter_arp/arpt_mangle.h

Extension

.h

Size

606 bytes

Lines

28

Domain

Core OS

Bucket

Core Kernel Interface

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/netfilter_arp/arp_tables.h

Detected Declarations

• struct arpt_mangle

Annotated Snippet

#ifndef _ARPT_MANGLE_H
#define _ARPT_MANGLE_H
#include <linux/netfilter_arp/arp_tables.h>

#define ARPT_MANGLE_ADDR_LEN_MAX sizeof(struct in_addr)
struct arpt_mangle
{
	char src_devaddr[ARPT_DEV_ADDR_LEN_MAX];
	char tgt_devaddr[ARPT_DEV_ADDR_LEN_MAX];
	union {
		struct in_addr src_ip;
	} u_s;
	union {
		struct in_addr tgt_ip;
	} u_t;
	__u8 flags;
	int target;
};

#define ARPT_MANGLE_SDEV 0x01
#define ARPT_MANGLE_TDEV 0x02
#define ARPT_MANGLE_SIP 0x04
#define ARPT_MANGLE_TIP 0x08
#define ARPT_MANGLE_MASK 0x0f

#endif /* _ARPT_MANGLE_H */

Annotation

• Immediate include surface: `linux/netfilter_arp/arp_tables.h`.
• Detected declarations: `struct arpt_mangle`.
• Atlas domain: Core OS / Core Kernel Interface.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.