Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_ASM_SOCKET_H
#define _UAPI_ASM_SOCKET_H

#include <linux/posix_types.h>
#include <asm/sockios.h>

/* For setsockopt(2) */
/*
 * Note: we only bother about making the SOL_SOCKET options
 * same as OSF/1, as that's all that "normal" programs are
 * likely to set.  We don't necessarily want to be binary
 * compatible with _everything_. 
 */
#define SOL_SOCKET	0xffff

#define SO_DEBUG	0x0001
#define SO_REUSEADDR	0x0004
#define SO_KEEPALIVE	0x0008
#define SO_DONTROUTE	0x0010
#define SO_BROADCAST	0x0020
#define SO_LINGER	0x0080
#define SO_OOBINLINE	0x0100
#define SO_REUSEPORT	0x0200

#define SO_TYPE		0x1008
#define SO_ERROR	0x1007
#define SO_SNDBUF	0x1001
#define SO_RCVBUF	0x1002
#define SO_SNDBUFFORCE	0x100a
#define SO_RCVBUFFORCE	0x100b
#define	SO_RCVLOWAT	0x1010
#define	SO_SNDLOWAT	0x1011
#define	SO_RCVTIMEO_OLD	0x1012
#define	SO_SNDTIMEO_OLD	0x1013
#define SO_ACCEPTCONN	0x1014
#define SO_PROTOCOL	0x1028
#define SO_DOMAIN	0x1029

/* linux-specific, might as well be the same as on i386 */
#define SO_NO_CHECK	11
#define SO_PRIORITY	12
#define SO_BSDCOMPAT	14

#define SO_PASSCRED	17
#define SO_PEERCRED	18
#define SO_BINDTODEVICE 25

/* Socket filtering */
#define SO_ATTACH_FILTER        26
#define SO_DETACH_FILTER        27
#define SO_GET_FILTER		SO_ATTACH_FILTER

#define SO_PEERNAME		28

#define SO_PEERSEC		30
#define SO_PASSSEC		34

/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION		19
#define SO_SECURITY_ENCRYPTION_TRANSPORT	20
#define SO_SECURITY_ENCRYPTION_NETWORK		21

#define SO_MARK			36

#define SO_RXQ_OVFL             40

#define SO_WIFI_STATUS		41
#define SCM_WIFI_STATUS		SO_WIFI_STATUS
#define SO_PEEK_OFF		42

/* Instruct lower device to use last 4-bytes of skb data as FCS */
#define SO_NOFCS		43

#define SO_LOCK_FILTER		44

#define SO_SELECT_ERR_QUEUE	45

#define SO_BUSY_POLL		46

#define SO_MAX_PACING_RATE	47

#define SO_BPF_EXTENSIONS	48

#define SO_INCOMING_CPU		49

#define SO_ATTACH_BPF		50
#define SO_DETACH_BPF		SO_DETACH_FILTER

#define SO_ATTACH_REUSEPORT_CBPF	51
#define SO_ATTACH_REUSEPORT_EBPF	52

#define SO_CNX_ADVICE		53

#define SCM_TIMESTAMPING_OPT_STATS	54

#define SO_MEMINFO		55

#define SO_INCOMING_NAPI_ID	56

#define SO_COOKIE		57

#define SCM_TIMESTAMPING_PKTINFO	58

#define SO_PEERGROUPS		59

#define SO_ZEROCOPY		60

#define SO_TXTIME		61
#define SCM_TXTIME		SO_TXTIME

#define SO_BINDTOIFINDEX	62

#define SO_TIMESTAMP_OLD        29
#define SO_TIMESTAMPNS_OLD      35
#define SO_TIMESTAMPING_OLD     37

#define SO_TIMESTAMP_NEW        63
#define SO_TIMESTAMPNS_NEW      64
#define SO_TIMESTAMPING_NEW     65

#define SO_RCVTIMEO_NEW         66
#define SO_SNDTIMEO_NEW         67

#define SO_DETACH_REUSEPORT_BPF 68

#if !defined(__KERNEL__)

#if __BITS_PER_LONG == 64
#define SO_TIMESTAMP		SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS		SO_TIMESTAMPNS_OLD
#define SO_TIMESTAMPING         SO_TIMESTAMPING_OLD

#define SO_RCVTIMEO		SO_RCVTIMEO_OLD
#define SO_SNDTIMEO		SO_SNDTIMEO_OLD
#else
#define SO_TIMESTAMP (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMP_OLD : SO_TIMESTAMP_NEW)
#define SO_TIMESTAMPNS (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPNS_OLD : SO_TIMESTAMPNS_NEW)
#define SO_TIMESTAMPING (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPING_OLD : SO_TIMESTAMPING_NEW)

#define SO_RCVTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_RCVTIMEO_OLD : SO_RCVTIMEO_NEW)
#define SO_SNDTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_SNDTIMEO_OLD : SO_SNDTIMEO_NEW)
#endif

#define SCM_TIMESTAMP           SO_TIMESTAMP
#define SCM_TIMESTAMPNS         SO_TIMESTAMPNS
#define SCM_TIMESTAMPING        SO_TIMESTAMPING

#endif

#endif /* _UAPI_ASM_SOCKET_H */