1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 #ifndef _LINUX_SOCKET_H 1 #ifndef _LINUX_SOCKET_H
3 #define _LINUX_SOCKET_H 2 #define _LINUX_SOCKET_H
4 3
>> 4 /*
>> 5 * Desired design of maximum size and alignment (see RFC2553)
>> 6 */
>> 7 #define _K_SS_MAXSIZE 128 /* Implementation specific max size */
>> 8 #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
>> 9 /* Implementation specific desired alignment */
>> 10
>> 11 struct __kernel_sockaddr_storage {
>> 12 unsigned short ss_family; /* address family */
>> 13 /* Following field(s) are implementation specific */
>> 14 char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
>> 15 /* space to achieve desired size, */
>> 16 /* _SS_MAXSIZE value minus size of ss_family */
>> 17 } __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
>> 18
>> 19 #ifdef __KERNEL__
5 20
6 #include <asm/socket.h> /* arc 21 #include <asm/socket.h> /* arch-dependent defines */
7 #include <linux/sockios.h> /* the 22 #include <linux/sockios.h> /* the SIOCxxx I/O controls */
8 #include <linux/uio.h> /* iov 23 #include <linux/uio.h> /* iovec support */
9 #include <linux/types.h> /* pid 24 #include <linux/types.h> /* pid_t */
10 #include <linux/compiler.h> /* __u 25 #include <linux/compiler.h> /* __user */
11 #include <uapi/linux/socket.h> <<
12 <<
13 struct file; <<
14 struct pid; <<
15 struct cred; <<
16 struct socket; <<
17 struct sock; <<
18 struct sk_buff; <<
19 struct proto_accept_arg; <<
20 26
21 #define __sockaddr_check_size(size) \ !! 27 #ifdef __KERNEL__
22 BUILD_BUG_ON(((size) > sizeof(struct _ !! 28 # ifdef CONFIG_PROC_FS
23 <<
24 #ifdef CONFIG_PROC_FS <<
25 struct seq_file; 29 struct seq_file;
26 extern void socket_seq_show(struct seq_file *s 30 extern void socket_seq_show(struct seq_file *seq);
27 #endif !! 31 # endif
>> 32 #endif /* __KERNEL__ */
28 33
29 typedef __kernel_sa_family_t sa_family_t; !! 34 typedef unsigned short sa_family_t;
30 35
31 /* 36 /*
32 * 1003.1g requires sa_family_t and that 37 * 1003.1g requires sa_family_t and that sa_data is char.
33 */ 38 */
34 !! 39
35 struct sockaddr { 40 struct sockaddr {
36 sa_family_t sa_family; /* add 41 sa_family_t sa_family; /* address family, AF_xxx */
37 union { !! 42 char sa_data[14]; /* 14 bytes of protocol address */
38 char sa_data_min[14]; <<
39 DECLARE_FLEX_ARRAY(char, sa_da <<
40 }; <<
41 }; 43 };
42 44
43 struct linger { 45 struct linger {
44 int l_onoff; /* Lin 46 int l_onoff; /* Linger active */
45 int l_linger; /* How 47 int l_linger; /* How long to linger for */
46 }; 48 };
47 49
48 #define sockaddr_storage __kernel_sockaddr_sto 50 #define sockaddr_storage __kernel_sockaddr_storage
49 51
50 /* 52 /*
51 * As we do 4.4BSD message passing we use 53 * As we do 4.4BSD message passing we use a 4.4BSD message passing
52 * system, not 4.3. Thus msg_accrights(le 54 * system, not 4.3. Thus msg_accrights(len) are now missing. They
53 * belong in an obscure libc emulation or 55 * belong in an obscure libc emulation or the bin.
54 */ 56 */
55 !! 57
56 struct msghdr { 58 struct msghdr {
57 void *msg_name; /* ptr !! 59 void * msg_name; /* Socket name */
58 int msg_namelen; /* siz !! 60 int msg_namelen; /* Length of name */
59 !! 61 struct iovec * msg_iov; /* Data blocks */
60 int msg_inq; /* out !! 62 __kernel_size_t msg_iovlen; /* Number of blocks */
61 !! 63 void * msg_control; /* Per protocol magic (eg BSD file descriptor passing) */
62 struct iov_iter msg_iter; /* dat !! 64 __kernel_size_t msg_controllen; /* Length of cmsg list */
63 !! 65 unsigned msg_flags;
64 /* <<
65 * Ancillary data. msg_control_user is <<
66 * recv* side when msg_control_is_user <<
67 * buffer used for all other cases. <<
68 */ <<
69 union { <<
70 void *msg_control; <<
71 void __user *msg_control_u <<
72 }; <<
73 bool msg_control_is_user : <<
74 bool msg_get_inq : 1;/* ret <<
75 unsigned int msg_flags; /* fla <<
76 __kernel_size_t msg_controllen; /* anc <<
77 struct kiocb *msg_iocb; /* ptr <<
78 struct ubuf_info *msg_ubuf; <<
79 int (*sg_from_iter)(struct sk_buff *sk <<
80 struct iov_iter *f <<
81 }; <<
82 <<
83 struct user_msghdr { <<
84 void __user *msg_name; <<
85 int msg_namelen; <<
86 struct iovec __user *msg_iov; <<
87 __kernel_size_t msg_iovlen; <<
88 void __user *msg_control; <<
89 __kernel_size_t msg_controllen; <<
90 unsigned int msg_flags; <<
91 }; <<
92 <<
93 /* For recvmmsg/sendmmsg */ <<
94 struct mmsghdr { <<
95 struct user_msghdr msg_hdr; <<
96 unsigned int msg_len; <<
97 }; 66 };
98 67
99 /* 68 /*
100 * POSIX 1003.1g - ancillary data object 69 * POSIX 1003.1g - ancillary data object information
101 * Ancillary data consists of a sequence !! 70 * Ancillary data consits of a sequence of pairs of
102 * (cmsghdr, cmsg_data[]) 71 * (cmsghdr, cmsg_data[])
103 */ 72 */
104 73
105 struct cmsghdr { 74 struct cmsghdr {
106 __kernel_size_t cmsg_len; /* dat 75 __kernel_size_t cmsg_len; /* data byte count, including hdr */
107 int cmsg_level; /* ori 76 int cmsg_level; /* originating protocol */
108 int cmsg_type; /* pro 77 int cmsg_type; /* protocol-specific type */
109 }; 78 };
110 79
111 /* 80 /*
112 * Ancillary data object information MACR !! 81 * Ancilliary data object information MACROS
113 * Table 5-14 of POSIX 1003.1g 82 * Table 5-14 of POSIX 1003.1g
114 */ 83 */
115 84
116 #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_n 85 #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
117 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((m 86 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
118 87
119 #define CMSG_ALIGN(len) ( ((len)+sizeof(long)- 88 #define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
120 89
121 #define CMSG_DATA(cmsg) \ !! 90 #define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
122 ((void *)(cmsg) + sizeof(struct cmsghd !! 91 #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
123 #define CMSG_USER_DATA(cmsg) \ !! 92 #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
124 ((void __user *)(cmsg) + sizeof(struct <<
125 #define CMSG_SPACE(len) (sizeof(struct cmsghdr <<
126 #define CMSG_LEN(len) (sizeof(struct cmsghdr) <<
127 93
128 #define __CMSG_FIRSTHDR(ctl,len) ((len) >= siz 94 #define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
129 (struct cmsg 95 (struct cmsghdr *)(ctl) : \
130 (struct cmsg 96 (struct cmsghdr *)NULL)
131 #define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHD 97 #define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
132 #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len 98 #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
133 (cmsg)->cmsg_len 99 (cmsg)->cmsg_len <= (unsigned long) \
134 ((mhdr)->msg_cont 100 ((mhdr)->msg_controllen - \
135 ((char *)(cmsg) 101 ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
136 #define for_each_cmsghdr(cmsg, msg) \ <<
137 for (cmsg = CMSG_FIRSTHDR(msg); \ <<
138 cmsg; \ <<
139 cmsg = CMSG_NXTHDR(msg, cmsg)) <<
140 102
141 /* 103 /*
142 * Get the next cmsg header 104 * Get the next cmsg header
143 * 105 *
144 * PLEASE, do not touch this function. If 106 * PLEASE, do not touch this function. If you think, that it is
145 * incorrect, grep kernel sources and thi 107 * incorrect, grep kernel sources and think about consequences
146 * before trying to improve it. 108 * before trying to improve it.
147 * 109 *
148 * Now it always returns valid, not trunc 110 * Now it always returns valid, not truncated ancillary object
149 * HEADER. But caller still MUST check, t 111 * HEADER. But caller still MUST check, that cmsg->cmsg_len is
150 * inside range, given by msg->msg_contro 112 * inside range, given by msg->msg_controllen before using
151 * ancillary object DATA. 113 * ancillary object DATA. --ANK (980731)
152 */ 114 */
153 !! 115
154 static inline struct cmsghdr * __cmsg_nxthdr(v 116 static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
155 117 struct cmsghdr *__cmsg)
156 { 118 {
157 struct cmsghdr * __ptr; 119 struct cmsghdr * __ptr;
158 120
159 __ptr = (struct cmsghdr*)(((unsigned c 121 __ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
160 if ((unsigned long)((char*)(__ptr+1) - 122 if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
161 return (struct cmsghdr *)0; 123 return (struct cmsghdr *)0;
162 124
163 return __ptr; 125 return __ptr;
164 } 126 }
165 127
166 static inline struct cmsghdr * cmsg_nxthdr (st 128 static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
167 { 129 {
168 return __cmsg_nxthdr(__msg->msg_contro 130 return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
169 } 131 }
170 132
171 static inline size_t msg_data_left(struct msgh <<
172 { <<
173 return iov_iter_count(&msg->msg_iter); <<
174 } <<
175 <<
176 /* "Socket"-level control message types: */ 133 /* "Socket"-level control message types: */
177 134
178 #define SCM_RIGHTS 0x01 /* rw: 135 #define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
179 #define SCM_CREDENTIALS 0x02 /* rw: 136 #define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
180 #define SCM_SECURITY 0x03 /* rw: 137 #define SCM_SECURITY 0x03 /* rw: security label */
181 #define SCM_PIDFD 0x04 /* ro: <<
182 138
183 struct ucred { 139 struct ucred {
184 __u32 pid; 140 __u32 pid;
185 __u32 uid; 141 __u32 uid;
186 __u32 gid; 142 __u32 gid;
187 }; 143 };
188 144
189 /* Supported address families. */ 145 /* Supported address families. */
190 #define AF_UNSPEC 0 146 #define AF_UNSPEC 0
191 #define AF_UNIX 1 /* Unix domain 147 #define AF_UNIX 1 /* Unix domain sockets */
192 #define AF_LOCAL 1 /* POSIX name 148 #define AF_LOCAL 1 /* POSIX name for AF_UNIX */
193 #define AF_INET 2 /* Internet IP 149 #define AF_INET 2 /* Internet IP Protocol */
194 #define AF_AX25 3 /* Amateur Rad 150 #define AF_AX25 3 /* Amateur Radio AX.25 */
195 #define AF_IPX 4 /* Novell IPX 151 #define AF_IPX 4 /* Novell IPX */
196 #define AF_APPLETALK 5 /* AppleTalk D 152 #define AF_APPLETALK 5 /* AppleTalk DDP */
197 #define AF_NETROM 6 /* Amateur Rad 153 #define AF_NETROM 6 /* Amateur Radio NET/ROM */
198 #define AF_BRIDGE 7 /* Multiprotoc 154 #define AF_BRIDGE 7 /* Multiprotocol bridge */
199 #define AF_ATMPVC 8 /* ATM PVCs 155 #define AF_ATMPVC 8 /* ATM PVCs */
200 #define AF_X25 9 /* Reserved fo 156 #define AF_X25 9 /* Reserved for X.25 project */
201 #define AF_INET6 10 /* IP version 157 #define AF_INET6 10 /* IP version 6 */
202 #define AF_ROSE 11 /* Amateur Rad 158 #define AF_ROSE 11 /* Amateur Radio X.25 PLP */
203 #define AF_DECnet 12 /* Reserved fo 159 #define AF_DECnet 12 /* Reserved for DECnet project */
204 #define AF_NETBEUI 13 /* Reserved fo 160 #define AF_NETBEUI 13 /* Reserved for 802.2LLC project*/
205 #define AF_SECURITY 14 /* Security ca 161 #define AF_SECURITY 14 /* Security callback pseudo AF */
206 #define AF_KEY 15 /* PF_KEY key 162 #define AF_KEY 15 /* PF_KEY key management API */
207 #define AF_NETLINK 16 163 #define AF_NETLINK 16
208 #define AF_ROUTE AF_NETLINK /* Alias to 164 #define AF_ROUTE AF_NETLINK /* Alias to emulate 4.4BSD */
209 #define AF_PACKET 17 /* Packet fami 165 #define AF_PACKET 17 /* Packet family */
210 #define AF_ASH 18 /* Ash 166 #define AF_ASH 18 /* Ash */
211 #define AF_ECONET 19 /* Acorn Econe 167 #define AF_ECONET 19 /* Acorn Econet */
212 #define AF_ATMSVC 20 /* ATM SVCs 168 #define AF_ATMSVC 20 /* ATM SVCs */
213 #define AF_RDS 21 /* RDS sockets 169 #define AF_RDS 21 /* RDS sockets */
214 #define AF_SNA 22 /* Linux SNA P 170 #define AF_SNA 22 /* Linux SNA Project (nutters!) */
215 #define AF_IRDA 23 /* IRDA socket 171 #define AF_IRDA 23 /* IRDA sockets */
216 #define AF_PPPOX 24 /* PPPoX socke 172 #define AF_PPPOX 24 /* PPPoX sockets */
217 #define AF_WANPIPE 25 /* Wanpipe API 173 #define AF_WANPIPE 25 /* Wanpipe API Sockets */
218 #define AF_LLC 26 /* Linux LLC 174 #define AF_LLC 26 /* Linux LLC */
219 #define AF_IB 27 /* Native Infi <<
220 #define AF_MPLS 28 /* MPLS */ <<
221 #define AF_CAN 29 /* Controller 175 #define AF_CAN 29 /* Controller Area Network */
222 #define AF_TIPC 30 /* TIPC socket 176 #define AF_TIPC 30 /* TIPC sockets */
223 #define AF_BLUETOOTH 31 /* Bluetooth s 177 #define AF_BLUETOOTH 31 /* Bluetooth sockets */
224 #define AF_IUCV 32 /* IUCV socket 178 #define AF_IUCV 32 /* IUCV sockets */
225 #define AF_RXRPC 33 /* RxRPC socke 179 #define AF_RXRPC 33 /* RxRPC sockets */
226 #define AF_ISDN 34 /* mISDN socke 180 #define AF_ISDN 34 /* mISDN sockets */
227 #define AF_PHONET 35 /* Phonet sock 181 #define AF_PHONET 35 /* Phonet sockets */
228 #define AF_IEEE802154 36 /* IEEE802154 182 #define AF_IEEE802154 36 /* IEEE802154 sockets */
229 #define AF_CAIF 37 /* CAIF socket !! 183 #define AF_MAX 37 /* For now.. */
230 #define AF_ALG 38 /* Algorithm s <<
231 #define AF_NFC 39 /* NFC sockets <<
232 #define AF_VSOCK 40 /* vSockets <<
233 #define AF_KCM 41 /* Kernel Conn <<
234 #define AF_QIPCRTR 42 /* Qualcomm IP <<
235 #define AF_SMC 43 /* smc sockets <<
236 * PF_SMC prot <<
237 * reuses AF_I <<
238 */ <<
239 #define AF_XDP 44 /* XDP sockets <<
240 #define AF_MCTP 45 /* Management <<
241 * transport p <<
242 */ <<
243 <<
244 #define AF_MAX 46 /* For now.. * <<
245 184
246 /* Protocol families, same as address families 185 /* Protocol families, same as address families. */
247 #define PF_UNSPEC AF_UNSPEC 186 #define PF_UNSPEC AF_UNSPEC
248 #define PF_UNIX AF_UNIX 187 #define PF_UNIX AF_UNIX
249 #define PF_LOCAL AF_LOCAL 188 #define PF_LOCAL AF_LOCAL
250 #define PF_INET AF_INET 189 #define PF_INET AF_INET
251 #define PF_AX25 AF_AX25 190 #define PF_AX25 AF_AX25
252 #define PF_IPX AF_IPX 191 #define PF_IPX AF_IPX
253 #define PF_APPLETALK AF_APPLETALK 192 #define PF_APPLETALK AF_APPLETALK
254 #define PF_NETROM AF_NETROM 193 #define PF_NETROM AF_NETROM
255 #define PF_BRIDGE AF_BRIDGE 194 #define PF_BRIDGE AF_BRIDGE
256 #define PF_ATMPVC AF_ATMPVC 195 #define PF_ATMPVC AF_ATMPVC
257 #define PF_X25 AF_X25 196 #define PF_X25 AF_X25
258 #define PF_INET6 AF_INET6 197 #define PF_INET6 AF_INET6
259 #define PF_ROSE AF_ROSE 198 #define PF_ROSE AF_ROSE
260 #define PF_DECnet AF_DECnet 199 #define PF_DECnet AF_DECnet
261 #define PF_NETBEUI AF_NETBEUI 200 #define PF_NETBEUI AF_NETBEUI
262 #define PF_SECURITY AF_SECURITY 201 #define PF_SECURITY AF_SECURITY
263 #define PF_KEY AF_KEY 202 #define PF_KEY AF_KEY
264 #define PF_NETLINK AF_NETLINK 203 #define PF_NETLINK AF_NETLINK
265 #define PF_ROUTE AF_ROUTE 204 #define PF_ROUTE AF_ROUTE
266 #define PF_PACKET AF_PACKET 205 #define PF_PACKET AF_PACKET
267 #define PF_ASH AF_ASH 206 #define PF_ASH AF_ASH
268 #define PF_ECONET AF_ECONET 207 #define PF_ECONET AF_ECONET
269 #define PF_ATMSVC AF_ATMSVC 208 #define PF_ATMSVC AF_ATMSVC
270 #define PF_RDS AF_RDS 209 #define PF_RDS AF_RDS
271 #define PF_SNA AF_SNA 210 #define PF_SNA AF_SNA
272 #define PF_IRDA AF_IRDA 211 #define PF_IRDA AF_IRDA
273 #define PF_PPPOX AF_PPPOX 212 #define PF_PPPOX AF_PPPOX
274 #define PF_WANPIPE AF_WANPIPE 213 #define PF_WANPIPE AF_WANPIPE
275 #define PF_LLC AF_LLC 214 #define PF_LLC AF_LLC
276 #define PF_IB AF_IB <<
277 #define PF_MPLS AF_MPLS <<
278 #define PF_CAN AF_CAN 215 #define PF_CAN AF_CAN
279 #define PF_TIPC AF_TIPC 216 #define PF_TIPC AF_TIPC
280 #define PF_BLUETOOTH AF_BLUETOOTH 217 #define PF_BLUETOOTH AF_BLUETOOTH
281 #define PF_IUCV AF_IUCV 218 #define PF_IUCV AF_IUCV
282 #define PF_RXRPC AF_RXRPC 219 #define PF_RXRPC AF_RXRPC
283 #define PF_ISDN AF_ISDN 220 #define PF_ISDN AF_ISDN
284 #define PF_PHONET AF_PHONET 221 #define PF_PHONET AF_PHONET
285 #define PF_IEEE802154 AF_IEEE802154 222 #define PF_IEEE802154 AF_IEEE802154
286 #define PF_CAIF AF_CAIF <<
287 #define PF_ALG AF_ALG <<
288 #define PF_NFC AF_NFC <<
289 #define PF_VSOCK AF_VSOCK <<
290 #define PF_KCM AF_KCM <<
291 #define PF_QIPCRTR AF_QIPCRTR <<
292 #define PF_SMC AF_SMC <<
293 #define PF_XDP AF_XDP <<
294 #define PF_MCTP AF_MCTP <<
295 #define PF_MAX AF_MAX 223 #define PF_MAX AF_MAX
296 224
297 /* Maximum queue length specifiable by listen. 225 /* Maximum queue length specifiable by listen. */
298 #define SOMAXCONN 4096 !! 226 #define SOMAXCONN 128
299 227
300 /* Flags we can use with send/ and recv. !! 228 /* Flags we can use with send/ and recv.
301 Added those for 1003.1g not all are support 229 Added those for 1003.1g not all are supported yet
302 */ 230 */
303 !! 231
304 #define MSG_OOB 1 232 #define MSG_OOB 1
305 #define MSG_PEEK 2 233 #define MSG_PEEK 2
306 #define MSG_DONTROUTE 4 234 #define MSG_DONTROUTE 4
307 #define MSG_TRYHARD 4 /* Synonym for 235 #define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */
308 #define MSG_CTRUNC 8 236 #define MSG_CTRUNC 8
309 #define MSG_PROBE 0x10 /* Do not send 237 #define MSG_PROBE 0x10 /* Do not send. Only probe path f.e. for MTU */
310 #define MSG_TRUNC 0x20 238 #define MSG_TRUNC 0x20
311 #define MSG_DONTWAIT 0x40 /* Nonblocking 239 #define MSG_DONTWAIT 0x40 /* Nonblocking io */
312 #define MSG_EOR 0x80 /* End of reco 240 #define MSG_EOR 0x80 /* End of record */
313 #define MSG_WAITALL 0x100 /* Wait for a 241 #define MSG_WAITALL 0x100 /* Wait for a full request */
314 #define MSG_FIN 0x200 242 #define MSG_FIN 0x200
315 #define MSG_SYN 0x400 243 #define MSG_SYN 0x400
316 #define MSG_CONFIRM 0x800 /* Confirm pat 244 #define MSG_CONFIRM 0x800 /* Confirm path validity */
317 #define MSG_RST 0x1000 245 #define MSG_RST 0x1000
318 #define MSG_ERRQUEUE 0x2000 /* Fetch messa 246 #define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */
319 #define MSG_NOSIGNAL 0x4000 /* Do not gene 247 #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
320 #define MSG_MORE 0x8000 /* Sender will 248 #define MSG_MORE 0x8000 /* Sender will send more */
321 #define MSG_WAITFORONE 0x10000 /* recvmmsg(): !! 249 #define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
322 #define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendp <<
323 #define MSG_BATCH 0x40000 /* sendmmsg(): <<
324 #define MSG_EOF MSG_FIN 250 #define MSG_EOF MSG_FIN
325 #define MSG_NO_SHARED_FRAGS 0x80000 /* sendpag !! 251
326 #define MSG_SENDPAGE_DECRYPTED 0x100000 /* se !! 252 #define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exit for file
327 * pl <<
328 */ <<
329 <<
330 #define MSG_SOCK_DEVMEM 0x2000000 /* Rec <<
331 #define MSG_ZEROCOPY 0x4000000 /* Use <<
332 #define MSG_SPLICE_PAGES 0x8000000 /* Spl <<
333 #define MSG_FASTOPEN 0x20000000 /* Sen <<
334 #define MSG_CMSG_CLOEXEC 0x40000000 /* Set <<
335 des 253 descriptor received through
336 SCM 254 SCM_RIGHTS */
337 #if defined(CONFIG_COMPAT) 255 #if defined(CONFIG_COMPAT)
338 #define MSG_CMSG_COMPAT 0x80000000 /* Thi 256 #define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
339 #else 257 #else
340 #define MSG_CMSG_COMPAT 0 /* We 258 #define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */
341 #endif 259 #endif
342 260
343 /* Flags to be cleared on entry by sendmsg and <<
344 #define MSG_INTERNAL_SENDMSG_FLAGS \ <<
345 (MSG_SPLICE_PAGES | MSG_SENDPAGE_NOPOL <<
346 261
347 /* Setsockoptions(2) level. Thanks to BSD thes 262 /* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
348 #define SOL_IP 0 263 #define SOL_IP 0
349 /* #define SOL_ICMP 1 No-no-no! Due 264 /* #define SOL_ICMP 1 No-no-no! Due to Linux :-) we cannot use SOL_ICMP=1 */
350 #define SOL_TCP 6 265 #define SOL_TCP 6
351 #define SOL_UDP 17 266 #define SOL_UDP 17
352 #define SOL_IPV6 41 267 #define SOL_IPV6 41
353 #define SOL_ICMPV6 58 268 #define SOL_ICMPV6 58
354 #define SOL_SCTP 132 269 #define SOL_SCTP 132
355 #define SOL_UDPLITE 136 /* UDP-Lite (R 270 #define SOL_UDPLITE 136 /* UDP-Lite (RFC 3828) */
356 #define SOL_RAW 255 271 #define SOL_RAW 255
357 #define SOL_IPX 256 272 #define SOL_IPX 256
358 #define SOL_AX25 257 273 #define SOL_AX25 257
359 #define SOL_ATALK 258 274 #define SOL_ATALK 258
360 #define SOL_NETROM 259 275 #define SOL_NETROM 259
361 #define SOL_ROSE 260 276 #define SOL_ROSE 260
362 #define SOL_DECNET 261 277 #define SOL_DECNET 261
363 #define SOL_X25 262 278 #define SOL_X25 262
364 #define SOL_PACKET 263 279 #define SOL_PACKET 263
365 #define SOL_ATM 264 /* ATM layer ( 280 #define SOL_ATM 264 /* ATM layer (cell level) */
366 #define SOL_AAL 265 /* ATM Adaptio 281 #define SOL_AAL 265 /* ATM Adaption Layer (packet level) */
367 #define SOL_IRDA 266 282 #define SOL_IRDA 266
368 #define SOL_NETBEUI 267 283 #define SOL_NETBEUI 267
369 #define SOL_LLC 268 284 #define SOL_LLC 268
370 #define SOL_DCCP 269 285 #define SOL_DCCP 269
371 #define SOL_NETLINK 270 286 #define SOL_NETLINK 270
372 #define SOL_TIPC 271 287 #define SOL_TIPC 271
373 #define SOL_RXRPC 272 288 #define SOL_RXRPC 272
374 #define SOL_PPPOL2TP 273 289 #define SOL_PPPOL2TP 273
375 #define SOL_BLUETOOTH 274 290 #define SOL_BLUETOOTH 274
376 #define SOL_PNPIPE 275 291 #define SOL_PNPIPE 275
377 #define SOL_RDS 276 292 #define SOL_RDS 276
378 #define SOL_IUCV 277 293 #define SOL_IUCV 277
379 #define SOL_CAIF 278 <<
380 #define SOL_ALG 279 <<
381 #define SOL_NFC 280 <<
382 #define SOL_KCM 281 <<
383 #define SOL_TLS 282 <<
384 #define SOL_XDP 283 <<
385 #define SOL_MPTCP 284 <<
386 #define SOL_MCTP 285 <<
387 #define SOL_SMC 286 <<
388 #define SOL_VSOCK 287 <<
389 294
390 /* IPX options */ 295 /* IPX options */
391 #define IPX_TYPE 1 296 #define IPX_TYPE 1
392 297
393 extern int move_addr_to_kernel(void __user *ua !! 298 #ifdef __KERNEL__
>> 299 extern int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len);
>> 300 extern int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
>> 301 int offset, int len);
>> 302 extern int csum_partial_copy_fromiovecend(unsigned char *kdata,
>> 303 struct iovec *iov,
>> 304 int offset,
>> 305 unsigned int len, __wsum *csump);
>> 306
>> 307 extern int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr *address, int mode);
>> 308 extern int memcpy_toiovec(struct iovec *v, unsigned char *kdata, int len);
>> 309 extern int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,
>> 310 int offset, int len);
>> 311 extern int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uaddr, int __user *ulen);
>> 312 extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr);
394 extern int put_cmsg(struct msghdr*, int level, 313 extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
395 314
396 struct timespec64; !! 315 #endif
397 struct __kernel_timespec; !! 316 #endif /* not kernel and not glibc */
398 struct old_timespec32; <<
399 <<
400 struct scm_timestamping_internal { <<
401 struct timespec64 ts[3]; <<
402 }; <<
403 <<
404 extern void put_cmsg_scm_timestamping64(struct <<
405 extern void put_cmsg_scm_timestamping(struct m <<
406 <<
407 /* The __sys_...msg variants allow MSG_CMSG_CO <<
408 * forbid_cmsg_compat==false <<
409 */ <<
410 extern long __sys_recvmsg(int fd, struct user_ <<
411 unsigned int flags, <<
412 extern long __sys_sendmsg(int fd, struct user_ <<
413 unsigned int flags, <<
414 extern int __sys_recvmmsg(int fd, struct mmsgh <<
415 unsigned int vlen, u <<
416 struct __kernel_time <<
417 struct old_timespec3 <<
418 extern int __sys_sendmmsg(int fd, struct mmsgh <<
419 unsigned int vlen, u <<
420 bool forbid_cmsg_com <<
421 extern long __sys_sendmsg_sock(struct socket * <<
422 unsigned int fl <<
423 extern long __sys_recvmsg_sock(struct socket * <<
424 struct user_msg <<
425 struct sockaddr <<
426 unsigned int fl <<
427 extern int __copy_msghdr(struct msghdr *kmsg, <<
428 struct user_msghdr *u <<
429 struct sockaddr __use <<
430 <<
431 /* helpers which do the actual work for syscal <<
432 extern int __sys_recvfrom(int fd, void __user <<
433 unsigned int flags, <<
434 int __user *addr_len <<
435 extern int __sys_sendto(int fd, void __user *b <<
436 unsigned int flags, st <<
437 int addr_len); <<
438 extern struct file *do_accept(struct file *fil <<
439 struct sockaddr <<
440 int __user *upee <<
441 extern int __sys_accept4(int fd, struct sockad <<
442 int __user *upeer_add <<
443 extern int __sys_socket(int family, int type, <<
444 extern struct file *__sys_socket_file(int fami <<
445 extern int __sys_bind(int fd, struct sockaddr <<
446 extern int __sys_bind_socket(struct socket *so <<
447 int addrlen); <<
448 extern int __sys_connect_file(struct file *fil <<
449 int addrlen, int <<
450 extern int __sys_connect(int fd, struct sockad <<
451 int addrlen); <<
452 extern int __sys_listen(int fd, int backlog); <<
453 extern int __sys_listen_socket(struct socket * <<
454 extern int __sys_getsockname(int fd, struct so <<
455 int __user *usock <<
456 extern int __sys_getpeername(int fd, struct so <<
457 int __user *usock <<
458 extern int __sys_socketpair(int family, int ty <<
459 int __user *usockv <<
460 extern int __sys_shutdown_sock(struct socket * <<
461 extern int __sys_shutdown(int fd, int how); <<
462 #endif /* _LINUX_SOCKET_H */ 317 #endif /* _LINUX_SOCKET_H */
463 318
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