/* * sys/socket.h */ #ifndef _SYS_SOCKET_H #define _SYS_SOCKET_H #include #include #include #include #include #include #include #if _KLIBC_HAS_ARCHSOCKET_H #include #endif /* Great job, guys! These are *architecture-specific* ABI constants, that are hidden under #ifdef __KERNEL__... what a brilliant idea! These are the "common" definitions; if not appropriate, override them in . */ #ifndef SOCK_STREAM # define SOCK_STREAM 1 # define SOCK_DGRAM 2 # define SOCK_RAW 3 # define SOCK_RDM 4 # define SOCK_SEQPACKET 5 # define SOCK_PACKET 10 #endif #ifndef AF_INET #define AF_UNSPEC 0 #define AF_UNIX 1 /* Unix domain sockets */ #define AF_LOCAL 1 /* POSIX name for AF_UNIX */ #define AF_INET 2 /* Internet IP Protocol */ #define AF_AX25 3 /* Amateur Radio AX.25 */ #define AF_IPX 4 /* Novell IPX */ #define AF_APPLETALK 5 /* AppleTalk DDP */ #define AF_NETROM 6 /* Amateur Radio NET/ROM */ #define AF_BRIDGE 7 /* Multiprotocol bridge */ #define AF_ATMPVC 8 /* ATM PVCs */ #define AF_X25 9 /* Reserved for X.25 project */ #define AF_INET6 10 /* IP version 6 */ #define AF_ROSE 11 /* Amateur Radio X.25 PLP */ #define AF_DECnet 12 /* Reserved for DECnet project */ #define AF_NETBEUI 13 /* Reserved for 802.2LLC project*/ #define AF_SECURITY 14 /* Security callback pseudo AF */ #define AF_KEY 15 /* PF_KEY key management API */ #define AF_NETLINK 16 #define AF_ROUTE AF_NETLINK /* Alias to emulate 4.4BSD */ #define AF_PACKET 17 /* Packet family */ #define AF_ASH 18 /* Ash */ #define AF_ECONET 19 /* Acorn Econet */ #define AF_ATMSVC 20 /* ATM SVCs */ #define AF_RDS 21 /* RDS sockets */ #define AF_SNA 22 /* Linux SNA Project (nutters!) */ #define AF_IRDA 23 /* IRDA sockets */ #define AF_PPPOX 24 /* PPPoX sockets */ #define AF_WANPIPE 25 /* Wanpipe API Sockets */ #define AF_LLC 26 /* Linux LLC */ #define AF_CAN 29 /* Controller Area Network */ #define AF_TIPC 30 /* TIPC sockets */ #define AF_BLUETOOTH 31 /* Bluetooth sockets */ #define AF_IUCV 32 /* IUCV sockets */ #define AF_RXRPC 33 /* RxRPC sockets */ #define AF_ISDN 34 /* mISDN sockets */ #define AF_PHONET 35 /* Phonet sockets */ #define AF_IEEE802154 36 /* IEEE802154 sockets */ #define AF_MAX 37 /* For now.. */ #endif // !AF_INET #ifndef PF_UNSPEC #define PF_UNSPEC AF_UNSPEC #define PF_UNIX AF_UNIX #define PF_LOCAL AF_LOCAL #define PF_INET AF_INET #define PF_AX25 AF_AX25 #define PF_IPX AF_IPX #define PF_APPLETALK AF_APPLETALK #define PF_NETROM AF_NETROM #define PF_BRIDGE AF_BRIDGE #define PF_ATMPVC AF_ATMPVC #define PF_X25 AF_X25 #define PF_INET6 AF_INET6 #define PF_ROSE AF_ROSE #define PF_DECnet AF_DECnet #define PF_NETBEUI AF_NETBEUI #define PF_SECURITY AF_SECURITY #define PF_KEY AF_KEY #define PF_NETLINK AF_NETLINK #define PF_ROUTE AF_ROUTE #define PF_PACKET AF_PACKET #define PF_ASH AF_ASH #define PF_ECONET AF_ECONET #define PF_ATMSVC AF_ATMSVC #define PF_RDS AF_RDS #define PF_SNA AF_SNA #define PF_IRDA AF_IRDA #define PF_PPPOX AF_PPPOX #define PF_WANPIPE AF_WANPIPE #define PF_LLC AF_LLC #define PF_CAN AF_CAN #define PF_TIPC AF_TIPC #define PF_BLUETOOTH AF_BLUETOOTH #define PF_IUCV AF_IUCV #define PF_RXRPC AF_RXRPC #define PF_ISDN AF_ISDN #define PF_PHONET AF_PHONET #define PF_IEEE802154 AF_IEEE802154 #define PF_MAX AF_MAX #endif // !PF_UNSPEC #ifndef MSG_OOB #define MSG_OOB 1 #define MSG_PEEK 2 #define MSG_DONTROUTE 4 #define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */ #define MSG_CTRUNC 8 #define MSG_PROBE 0x10 /* Do not send. Only probe path f.e. for MTU */ #define MSG_TRUNC 0x20 #define MSG_DONTWAIT 0x40 /* Nonblocking io */ #define MSG_EOR 0x80 /* End of record */ #define MSG_WAITALL 0x100 /* Wait for a full request */ #define MSG_FIN 0x200 #define MSG_SYN 0x400 #define MSG_CONFIRM 0x800 /* Confirm path validity */ #define MSG_RST 0x1000 #define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */ #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */ #define MSG_MORE 0x8000 /* Sender will send more */ #define MSG_EOF MSG_FIN #define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exit for file descriptor received through SCM_RIGHTS */ #if defined(CONFIG_COMPAT) #define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */ #else #define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */ #endif #endif // !MSG_OOB /* These types is hidden under __KERNEL__ in kernel sources */ typedef unsigned short sa_family_t; struct sockaddr { sa_family_t sa_family; /* address family, AF_xxx */ char sa_data[14]; /* 14 bytes of protocol address */ }; typedef int socklen_t; struct msghdr { void *msg_name; int msg_namelen; struct iovec *msg_iov; size_t msg_iovlen; void *msg_control; size_t msg_controllen; unsigned msg_flags; }; /* Ancillary data structures and cmsg macros are also hidden under __KERNEL__ */ #ifndef CMSG_FIRSTHDR /* * POSIX 1003.1g - ancillary data object information * Ancillary data consits of a sequence of pairs of * (cmsghdr, cmsg_data[]) */ struct cmsghdr { __kernel_size_t cmsg_len; /* data byte count, including hdr */ int cmsg_level; /* originating protocol */ int cmsg_type; /* protocol-specific type */ }; /* * Ancilliary data object information MACROS * Table 5-14 of POSIX 1003.1g */ #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg)) #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg)) #define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) ) #define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)))) #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len)) #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) #define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \ (struct cmsghdr *)(ctl) : \ (struct cmsghdr *)NULL) #define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen) #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \ (cmsg)->cmsg_len <= (unsigned long) \ ((mhdr)->msg_controllen - \ ((char *)(cmsg) - (char *)(mhdr)->msg_control))) /* * Get the next cmsg header * * PLEASE, do not touch this function. If you think, that it is * incorrect, grep kernel sources and think about consequences * before trying to improve it. * * Now it always returns valid, not truncated ancillary object * HEADER. But caller still MUST check, that cmsg->cmsg_len is * inside range, given by msg->msg_controllen before using * ancillary object DATA. --ANK (980731) */ static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size, struct cmsghdr *__cmsg) { struct cmsghdr * __ptr; __ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len)); if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size) return (struct cmsghdr *)0; return __ptr; } static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg) { return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg); } /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */ #define SCM_CREDENTIALS 0x02 /* rw: struct ucred */ #define SCM_SECURITY 0x03 /* rw: security label */ struct ucred { __u32 pid; __u32 uid; __u32 gid; }; #endif /* CMSG_FIRSTHDR */ __extern int socket(int, int, int); __extern int bind(int, struct sockaddr *, int); __extern int connect(int, struct sockaddr *, socklen_t); __extern int listen(int, int); __extern int accept(int, struct sockaddr *, socklen_t *); __extern int getsockname(int, struct sockaddr *, socklen_t *); __extern int getpeername(int, struct sockaddr *, socklen_t *); __extern int socketpair(int, int, int, int *); __extern int send(int, const void *, size_t, unsigned int); __extern int sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t); __extern int recv(int, void *, size_t, unsigned int); __extern int recvfrom(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *); __extern int shutdown(int, int); __extern int setsockopt(int, int, int, const void *, socklen_t); __extern int getsockopt(int, int, int, void *, socklen_t *); __extern int sendmsg(int, const struct msghdr *, unsigned int); __extern int recvmsg(int, struct msghdr *, unsigned int); #endif /* _SYS_SOCKET_H */