1#ifndef _LINUX_SOCKET_H
2#define _LINUX_SOCKET_H
3
4
5
6
7#define _K_SS_MAXSIZE 128
8#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
9
10
11struct __kernel_sockaddr_storage {
12 unsigned short ss_family;
13
14 char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
15
16
17} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));
18
19#ifdef __KERNEL__
20
21#include <asm/socket.h>
22#include <linux/sockios.h>
23#include <linux/uio.h>
24#include <linux/types.h>
25#include <linux/compiler.h>
26
27struct pid;
28struct cred;
29
30#define __sockaddr_check_size(size) \
31 BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage)))
32
33#ifdef CONFIG_PROC_FS
34struct seq_file;
35extern void socket_seq_show(struct seq_file *seq);
36#endif
37
38typedef unsigned short sa_family_t;
39
40
41
42
43
44struct sockaddr {
45 sa_family_t sa_family;
46 char sa_data[14];
47};
48
49struct linger {
50 int l_onoff;
51 int l_linger;
52};
53
54#define sockaddr_storage __kernel_sockaddr_storage
55
56
57
58
59
60
61
62struct msghdr {
63 void * msg_name;
64 int msg_namelen;
65 struct iovec * msg_iov;
66 __kernel_size_t msg_iovlen;
67 void * msg_control;
68 __kernel_size_t msg_controllen;
69 unsigned msg_flags;
70};
71
72
73struct mmsghdr {
74 struct msghdr msg_hdr;
75 unsigned msg_len;
76};
77
78
79
80
81
82
83
84struct cmsghdr {
85 __kernel_size_t cmsg_len;
86 int cmsg_level;
87 int cmsg_type;
88};
89
90
91
92
93
94
95#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
96#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
97
98#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
99
100#define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
101#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
102#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
103
104#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
105 (struct cmsghdr *)(ctl) : \
106 (struct cmsghdr *)NULL)
107#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
108#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
109 (cmsg)->cmsg_len <= (unsigned long) \
110 ((mhdr)->msg_controllen - \
111 ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
127 struct cmsghdr *__cmsg)
128{
129 struct cmsghdr * __ptr;
130
131 __ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
132 if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
133 return (struct cmsghdr *)0;
134
135 return __ptr;
136}
137
138static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
139{
140 return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
141}
142
143
144
145#define SCM_RIGHTS 0x01
146#define SCM_CREDENTIALS 0x02
147#define SCM_SECURITY 0x03
148
149struct ucred {
150 __u32 pid;
151 __u32 uid;
152 __u32 gid;
153};
154
155
156#define AF_UNSPEC 0
157#define AF_UNIX 1
158#define AF_LOCAL 1
159#define AF_INET 2
160#define AF_AX25 3
161#define AF_IPX 4
162#define AF_APPLETALK 5
163#define AF_NETROM 6
164#define AF_BRIDGE 7
165#define AF_ATMPVC 8
166#define AF_X25 9
167#define AF_INET6 10
168#define AF_ROSE 11
169#define AF_DECnet 12
170#define AF_NETBEUI 13
171#define AF_SECURITY 14
172#define AF_KEY 15
173#define AF_NETLINK 16
174#define AF_ROUTE AF_NETLINK
175#define AF_PACKET 17
176#define AF_ASH 18
177#define AF_ECONET 19
178#define AF_ATMSVC 20
179#define AF_RDS 21
180#define AF_SNA 22
181#define AF_IRDA 23
182#define AF_PPPOX 24
183#define AF_WANPIPE 25
184#define AF_LLC 26
185#define AF_CAN 29
186#define AF_TIPC 30
187#define AF_BLUETOOTH 31
188#define AF_IUCV 32
189#define AF_RXRPC 33
190#define AF_ISDN 34
191#define AF_PHONET 35
192#define AF_IEEE802154 36
193#define AF_CAIF 37
194#define AF_ALG 38
195#define AF_MAX 39
196
197
198#define PF_UNSPEC AF_UNSPEC
199#define PF_UNIX AF_UNIX
200#define PF_LOCAL AF_LOCAL
201#define PF_INET AF_INET
202#define PF_AX25 AF_AX25
203#define PF_IPX AF_IPX
204#define PF_APPLETALK AF_APPLETALK
205#define PF_NETROM AF_NETROM
206#define PF_BRIDGE AF_BRIDGE
207#define PF_ATMPVC AF_ATMPVC
208#define PF_X25 AF_X25
209#define PF_INET6 AF_INET6
210#define PF_ROSE AF_ROSE
211#define PF_DECnet AF_DECnet
212#define PF_NETBEUI AF_NETBEUI
213#define PF_SECURITY AF_SECURITY
214#define PF_KEY AF_KEY
215#define PF_NETLINK AF_NETLINK
216#define PF_ROUTE AF_ROUTE
217#define PF_PACKET AF_PACKET
218#define PF_ASH AF_ASH
219#define PF_ECONET AF_ECONET
220#define PF_ATMSVC AF_ATMSVC
221#define PF_RDS AF_RDS
222#define PF_SNA AF_SNA
223#define PF_IRDA AF_IRDA
224#define PF_PPPOX AF_PPPOX
225#define PF_WANPIPE AF_WANPIPE
226#define PF_LLC AF_LLC
227#define PF_CAN AF_CAN
228#define PF_TIPC AF_TIPC
229#define PF_BLUETOOTH AF_BLUETOOTH
230#define PF_IUCV AF_IUCV
231#define PF_RXRPC AF_RXRPC
232#define PF_ISDN AF_ISDN
233#define PF_PHONET AF_PHONET
234#define PF_IEEE802154 AF_IEEE802154
235#define PF_CAIF AF_CAIF
236#define PF_ALG AF_ALG
237#define PF_MAX AF_MAX
238
239
240#define SOMAXCONN 128
241
242
243
244
245
246#define MSG_OOB 1
247#define MSG_PEEK 2
248#define MSG_DONTROUTE 4
249#define MSG_TRYHARD 4
250#define MSG_CTRUNC 8
251#define MSG_PROBE 0x10
252#define MSG_TRUNC 0x20
253#define MSG_DONTWAIT 0x40
254#define MSG_EOR 0x80
255#define MSG_WAITALL 0x100
256#define MSG_FIN 0x200
257#define MSG_SYN 0x400
258#define MSG_CONFIRM 0x800
259#define MSG_RST 0x1000
260#define MSG_ERRQUEUE 0x2000
261#define MSG_NOSIGNAL 0x4000
262#define MSG_MORE 0x8000
263#define MSG_WAITFORONE 0x10000
264
265#define MSG_EOF MSG_FIN
266
267#define MSG_CMSG_CLOEXEC 0x40000000
268
269
270#if defined(CONFIG_COMPAT)
271#define MSG_CMSG_COMPAT 0x80000000
272#else
273#define MSG_CMSG_COMPAT 0
274#endif
275
276
277
278#define SOL_IP 0
279
280#define SOL_TCP 6
281#define SOL_UDP 17
282#define SOL_IPV6 41
283#define SOL_ICMPV6 58
284#define SOL_SCTP 132
285#define SOL_UDPLITE 136
286#define SOL_RAW 255
287#define SOL_IPX 256
288#define SOL_AX25 257
289#define SOL_ATALK 258
290#define SOL_NETROM 259
291#define SOL_ROSE 260
292#define SOL_DECNET 261
293#define SOL_X25 262
294#define SOL_PACKET 263
295#define SOL_ATM 264
296#define SOL_AAL 265
297#define SOL_IRDA 266
298#define SOL_NETBEUI 267
299#define SOL_LLC 268
300#define SOL_DCCP 269
301#define SOL_NETLINK 270
302#define SOL_TIPC 271
303#define SOL_RXRPC 272
304#define SOL_PPPOL2TP 273
305#define SOL_BLUETOOTH 274
306#define SOL_PNPIPE 275
307#define SOL_RDS 276
308#define SOL_IUCV 277
309#define SOL_CAIF 278
310#define SOL_ALG 279
311
312
313#define IPX_TYPE 1
314
315extern void cred_to_ucred(struct pid *pid, const struct cred *cred, struct ucred *ucred);
316
317extern int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len);
318extern int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
319 int offset, int len);
320extern int csum_partial_copy_fromiovecend(unsigned char *kdata,
321 struct iovec *iov,
322 int offset,
323 unsigned int len, __wsum *csump);
324
325extern int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr *address, int mode);
326extern int memcpy_toiovec(struct iovec *v, unsigned char *kdata, int len);
327extern int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,
328 int offset, int len);
329extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr);
330extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
331
332struct timespec;
333
334extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
335 unsigned int flags, struct timespec *timeout);
336#endif
337#endif
338