16
16
/* _SS_MAXSIZE value minus size of ss_family */
17
17
} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
19
#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
21
#include <asm/socket.h> /* arch-dependent defines */
22
#include <linux/sockios.h> /* the SIOCxxx I/O controls */
23
#include <linux/uio.h> /* iovec support */
24
#include <linux/types.h> /* pid_t */
26
extern int sysctl_somaxconn;
29
extern void socket_seq_show(struct seq_file *seq);
32
typedef unsigned short sa_family_t;
35
* 1003.1g requires sa_family_t and that sa_data is char.
39
sa_family_t sa_family; /* address family, AF_xxx */
40
char sa_data[14]; /* 14 bytes of protocol address */
44
int l_onoff; /* Linger active */
45
int l_linger; /* How long to linger for */
48
#define sockaddr_storage __kernel_sockaddr_storage
51
* As we do 4.4BSD message passing we use a 4.4BSD message passing
52
* system, not 4.3. Thus msg_accrights(len) are now missing. They
53
* belong in an obscure libc emulation or the bin.
57
void * msg_name; /* Socket name */
58
int msg_namelen; /* Length of name */
59
struct iovec * msg_iov; /* Data blocks */
60
__kernel_size_t msg_iovlen; /* Number of blocks */
61
void * msg_control; /* Per protocol magic (eg BSD file descriptor passing) */
62
__kernel_size_t msg_controllen; /* Length of cmsg list */
67
* POSIX 1003.1g - ancillary data object information
68
* Ancillary data consits of a sequence of pairs of
69
* (cmsghdr, cmsg_data[])
73
__kernel_size_t cmsg_len; /* data byte count, including hdr */
74
int cmsg_level; /* originating protocol */
75
int cmsg_type; /* protocol-specific type */
79
* Ancilliary data object information MACROS
80
* Table 5-14 of POSIX 1003.1g
83
#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
84
#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
86
#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
88
#define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
89
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
90
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
92
#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
93
(struct cmsghdr *)(ctl) : \
94
(struct cmsghdr *)NULL)
95
#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
96
#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
97
(cmsg)->cmsg_len <= (unsigned long) \
98
((mhdr)->msg_controllen - \
99
((char *)(cmsg) - (char *)(mhdr)->msg_control)))
102
* This mess will go away with glibc
105
#if defined(__GNUC__)
106
#define __KINLINE static __inline__
107
#elif defined(__cplusplus)
108
#define __KINLINE static inline
110
#define __KINLINE static
115
* Get the next cmsg header
117
* PLEASE, do not touch this function. If you think, that it is
118
* incorrect, grep kernel sources and think about consequences
119
* before trying to improve it.
121
* Now it always returns valid, not truncated ancillary object
122
* HEADER. But caller still MUST check, that cmsg->cmsg_len is
123
* inside range, given by msg->msg_controllen before using
124
* ancillary object DATA. --ANK (980731)
127
__KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
128
struct cmsghdr *__cmsg)
130
struct cmsghdr * __ptr;
132
__ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
133
if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
134
return (struct cmsghdr *)0;
139
__KINLINE struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
141
return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
144
/* "Socket"-level control message types: */
146
#define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
147
#define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
148
#define SCM_SECURITY 0x03 /* rw: security label */
156
/* Supported address families. */
158
#define AF_UNIX 1 /* Unix domain sockets */
159
#define AF_LOCAL 1 /* POSIX name for AF_UNIX */
160
#define AF_INET 2 /* Internet IP Protocol */
161
#define AF_AX25 3 /* Amateur Radio AX.25 */
162
#define AF_IPX 4 /* Novell IPX */
163
#define AF_APPLETALK 5 /* AppleTalk DDP */
164
#define AF_NETROM 6 /* Amateur Radio NET/ROM */
165
#define AF_BRIDGE 7 /* Multiprotocol bridge */
166
#define AF_ATMPVC 8 /* ATM PVCs */
167
#define AF_X25 9 /* Reserved for X.25 project */
168
#define AF_INET6 10 /* IP version 6 */
169
#define AF_ROSE 11 /* Amateur Radio X.25 PLP */
170
#define AF_DECnet 12 /* Reserved for DECnet project */
171
#define AF_NETBEUI 13 /* Reserved for 802.2LLC project*/
172
#define AF_SECURITY 14 /* Security callback pseudo AF */
173
#define AF_KEY 15 /* PF_KEY key management API */
174
#define AF_NETLINK 16
175
#define AF_ROUTE AF_NETLINK /* Alias to emulate 4.4BSD */
176
#define AF_PACKET 17 /* Packet family */
177
#define AF_ASH 18 /* Ash */
178
#define AF_ECONET 19 /* Acorn Econet */
179
#define AF_ATMSVC 20 /* ATM SVCs */
180
#define AF_SNA 22 /* Linux SNA Project (nutters!) */
181
#define AF_IRDA 23 /* IRDA sockets */
182
#define AF_PPPOX 24 /* PPPoX sockets */
183
#define AF_WANPIPE 25 /* Wanpipe API Sockets */
184
#define AF_LLC 26 /* Linux LLC */
185
#define AF_TIPC 30 /* TIPC sockets */
186
#define AF_BLUETOOTH 31 /* Bluetooth sockets */
187
#define AF_IUCV 32 /* IUCV sockets */
188
#define AF_RXRPC 33 /* RxRPC sockets */
189
#define AF_MAX 34 /* For now.. */
191
/* Protocol families, same as address families. */
192
#define PF_UNSPEC AF_UNSPEC
193
#define PF_UNIX AF_UNIX
194
#define PF_LOCAL AF_LOCAL
195
#define PF_INET AF_INET
196
#define PF_AX25 AF_AX25
197
#define PF_IPX AF_IPX
198
#define PF_APPLETALK AF_APPLETALK
199
#define PF_NETROM AF_NETROM
200
#define PF_BRIDGE AF_BRIDGE
201
#define PF_ATMPVC AF_ATMPVC
202
#define PF_X25 AF_X25
203
#define PF_INET6 AF_INET6
204
#define PF_ROSE AF_ROSE
205
#define PF_DECnet AF_DECnet
206
#define PF_NETBEUI AF_NETBEUI
207
#define PF_SECURITY AF_SECURITY
208
#define PF_KEY AF_KEY
209
#define PF_NETLINK AF_NETLINK
210
#define PF_ROUTE AF_ROUTE
211
#define PF_PACKET AF_PACKET
212
#define PF_ASH AF_ASH
213
#define PF_ECONET AF_ECONET
214
#define PF_ATMSVC AF_ATMSVC
215
#define PF_SNA AF_SNA
216
#define PF_IRDA AF_IRDA
217
#define PF_PPPOX AF_PPPOX
218
#define PF_WANPIPE AF_WANPIPE
219
#define PF_LLC AF_LLC
220
#define PF_TIPC AF_TIPC
221
#define PF_BLUETOOTH AF_BLUETOOTH
222
#define PF_IUCV AF_IUCV
223
#define PF_RXRPC AF_RXRPC
224
#define PF_MAX AF_MAX
226
/* Maximum queue length specifiable by listen. */
227
#define SOMAXCONN 128
229
/* Flags we can use with send/ and recv.
230
Added those for 1003.1g not all are supported yet
235
#define MSG_DONTROUTE 4
236
#define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */
238
#define MSG_PROBE 0x10 /* Do not send. Only probe path f.e. for MTU */
239
#define MSG_TRUNC 0x20
240
#define MSG_DONTWAIT 0x40 /* Nonblocking io */
241
#define MSG_EOR 0x80 /* End of record */
242
#define MSG_WAITALL 0x100 /* Wait for a full request */
243
#define MSG_FIN 0x200
244
#define MSG_SYN 0x400
245
#define MSG_CONFIRM 0x800 /* Confirm path validity */
246
#define MSG_RST 0x1000
247
#define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */
248
#define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
249
#define MSG_MORE 0x8000 /* Sender will send more */
251
#define MSG_EOF MSG_FIN
253
#define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exit for file
254
descriptor received through
256
#if defined(CONFIG_COMPAT)
257
#define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
259
#define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */
263
/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
265
/* #define SOL_ICMP 1 No-no-no! Due to Linux :-) we cannot use SOL_ICMP=1 */
269
#define SOL_ICMPV6 58
271
#define SOL_UDPLITE 136 /* UDP-Lite (RFC 3828) */
275
#define SOL_ATALK 258
276
#define SOL_NETROM 259
278
#define SOL_DECNET 261
280
#define SOL_PACKET 263
281
#define SOL_ATM 264 /* ATM layer (cell level) */
282
#define SOL_AAL 265 /* ATM Adaption Layer (packet level) */
284
#define SOL_NETBEUI 267
287
#define SOL_NETLINK 270
289
#define SOL_RXRPC 272
290
#define SOL_PPPOL2TP 273
295
#endif /* not kernel and not glibc */
19
296
#endif /* _LINUX_SOCKET_H */