1. 根目录:
2. arch
3. m32r
4. include
5. uapi
6. asm
7. socket.h

#ifndef _ASM_M32R_SOCKET_H
#define _ASM_M32R_SOCKET_H

#include <asm/sockios.h>

/* For setsockoptions(2) */
#define SOL_SOCKET	1

#define SO_DEBUG	1
#define SO_REUSEADDR	2
#define SO_TYPE		3
#define SO_ERROR	4
#define SO_DONTROUTE	5
#define SO_BROADCAST	6
#define SO_SNDBUF	7
#define SO_RCVBUF	8
#define SO_SNDBUFFORCE	32
#define SO_RCVBUFFORCE	33
#define SO_KEEPALIVE	9
#define SO_OOBINLINE	10
#define SO_NO_CHECK	11
#define SO_PRIORITY	12
#define SO_LINGER	13
#define SO_BSDCOMPAT	14
#define SO_REUSEPORT	15
#define SO_PASSCRED	16
#define SO_PEERCRED	17
#define SO_RCVLOWAT	18
#define SO_SNDLOWAT	19
#define SO_RCVTIMEO	20
#define SO_SNDTIMEO	21

/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION		22
#define SO_SECURITY_ENCRYPTION_TRANSPORT	23
#define SO_SECURITY_ENCRYPTION_NETWORK		24

#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_TIMESTAMP		29
#define SCM_TIMESTAMP		SO_TIMESTAMP

#define SO_ACCEPTCONN		30

#define SO_PEERSEC		31
#define SO_PASSSEC		34
#define SO_TIMESTAMPNS		35
#define SCM_TIMESTAMPNS		SO_TIMESTAMPNS

#define SO_MARK			36

#define SO_TIMESTAMPING		37
#define SCM_TIMESTAMPING	SO_TIMESTAMPING

#define SO_PROTOCOL		38
#define SO_DOMAIN		39

#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

#endif /* _ASM_M32R_SOCKET_H */