Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * NET An implementation of the SOCKET network access protocol. |
| 3 | * This is the master header file for the Linux NET layer, |
| 4 | * or, in plain English: the networking handling part of the |
| 5 | * kernel. |
| 6 | * |
| 7 | * Version: @(#)net.h 1.0.3 05/25/93 |
| 8 | * |
| 9 | * Authors: Orest Zborowski, <obz@Kodak.COM> |
Jesper Juhl | 02c30a8 | 2005-05-05 16:16:16 -0700 | [diff] [blame] | 10 | * Ross Biro |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License |
| 15 | * as published by the Free Software Foundation; either version |
| 16 | * 2 of the License, or (at your option) any later version. |
| 17 | */ |
| 18 | #ifndef _LINUX_NET_H |
| 19 | #define _LINUX_NET_H |
| 20 | |
Rusty Russell | 0098b72 | 2008-03-22 17:18:47 -0700 | [diff] [blame] | 21 | #include <linux/socket.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <asm/socket.h> |
| 23 | |
Rusty Russell | 0098b72 | 2008-03-22 17:18:47 -0700 | [diff] [blame] | 24 | #define NPROTO AF_MAX |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | #define SYS_SOCKET 1 /* sys_socket(2) */ |
| 27 | #define SYS_BIND 2 /* sys_bind(2) */ |
| 28 | #define SYS_CONNECT 3 /* sys_connect(2) */ |
| 29 | #define SYS_LISTEN 4 /* sys_listen(2) */ |
| 30 | #define SYS_ACCEPT 5 /* sys_accept(2) */ |
| 31 | #define SYS_GETSOCKNAME 6 /* sys_getsockname(2) */ |
| 32 | #define SYS_GETPEERNAME 7 /* sys_getpeername(2) */ |
| 33 | #define SYS_SOCKETPAIR 8 /* sys_socketpair(2) */ |
| 34 | #define SYS_SEND 9 /* sys_send(2) */ |
| 35 | #define SYS_RECV 10 /* sys_recv(2) */ |
| 36 | #define SYS_SENDTO 11 /* sys_sendto(2) */ |
| 37 | #define SYS_RECVFROM 12 /* sys_recvfrom(2) */ |
| 38 | #define SYS_SHUTDOWN 13 /* sys_shutdown(2) */ |
| 39 | #define SYS_SETSOCKOPT 14 /* sys_setsockopt(2) */ |
| 40 | #define SYS_GETSOCKOPT 15 /* sys_getsockopt(2) */ |
| 41 | #define SYS_SENDMSG 16 /* sys_sendmsg(2) */ |
| 42 | #define SYS_RECVMSG 17 /* sys_recvmsg(2) */ |
Ulrich Drepper | de11def | 2008-11-19 15:36:14 -0800 | [diff] [blame] | 43 | #define SYS_ACCEPT4 18 /* sys_accept4(2) */ |
Arnaldo Carvalho de Melo | a2e2725 | 2009-10-12 23:40:10 -0700 | [diff] [blame] | 44 | #define SYS_RECVMMSG 19 /* sys_recvmmsg(2) */ |
Anton Blanchard | 228e548 | 2011-05-02 20:21:35 +0000 | [diff] [blame] | 45 | #define SYS_SENDMMSG 20 /* sys_sendmmsg(2) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | typedef enum { |
| 48 | SS_FREE = 0, /* not allocated */ |
| 49 | SS_UNCONNECTED, /* unconnected to any socket */ |
| 50 | SS_CONNECTING, /* in process of connecting */ |
| 51 | SS_CONNECTED, /* connected to socket */ |
| 52 | SS_DISCONNECTING /* in process of disconnecting */ |
| 53 | } socket_state; |
| 54 | |
| 55 | #define __SO_ACCEPTCON (1 << 16) /* performed a listen */ |
| 56 | |
| 57 | #ifdef __KERNEL__ |
David Woodhouse | eacf17b | 2006-04-25 14:46:09 +0100 | [diff] [blame] | 58 | #include <linux/stringify.h> |
David Woodhouse | cb4db4c | 2006-12-28 21:21:55 -0800 | [diff] [blame] | 59 | #include <linux/random.h> |
David Woodhouse | 5770a3f | 2008-08-26 15:29:22 +0100 | [diff] [blame] | 60 | #include <linux/wait.h> |
| 61 | #include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */ |
Eric Dumazet | 29a020d | 2009-09-15 02:39:20 -0700 | [diff] [blame] | 62 | #include <linux/kmemcheck.h> |
Eric Dumazet | 4381548 | 2010-04-29 11:01:49 +0000 | [diff] [blame] | 63 | #include <linux/rcupdate.h> |
David Woodhouse | 5770a3f | 2008-08-26 15:29:22 +0100 | [diff] [blame] | 64 | |
| 65 | struct poll_table_struct; |
| 66 | struct pipe_inode_info; |
| 67 | struct inode; |
| 68 | struct net; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
| 70 | #define SOCK_ASYNC_NOSPACE 0 |
| 71 | #define SOCK_ASYNC_WAITDATA 1 |
| 72 | #define SOCK_NOSPACE 2 |
| 73 | #define SOCK_PASSCRED 3 |
Catherine Zhang | 877ce7c | 2006-06-29 12:27:47 -0700 | [diff] [blame] | 74 | #define SOCK_PASSSEC 4 |
Mikulas Patocka | b09e786 | 2012-07-19 06:13:36 +0000 | [diff] [blame^] | 75 | #define SOCK_EXTERNALLY_ALLOCATED 5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | #ifndef ARCH_HAS_SOCKET_TYPES |
Pavel Pisa | 4dc3b16 | 2005-05-01 08:59:25 -0700 | [diff] [blame] | 78 | /** |
| 79 | * enum sock_type - Socket types |
| 80 | * @SOCK_STREAM: stream (connection) socket |
| 81 | * @SOCK_DGRAM: datagram (conn.less) socket |
| 82 | * @SOCK_RAW: raw socket |
| 83 | * @SOCK_RDM: reliably-delivered message |
| 84 | * @SOCK_SEQPACKET: sequential packet socket |
Randy Dunlap | 8f2709b | 2005-11-07 01:01:05 -0800 | [diff] [blame] | 85 | * @SOCK_DCCP: Datagram Congestion Control Protocol socket |
Pavel Pisa | 4dc3b16 | 2005-05-01 08:59:25 -0700 | [diff] [blame] | 86 | * @SOCK_PACKET: linux specific way of getting packets at the dev level. |
| 87 | * For writing rarp and other similar things on the user level. |
| 88 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | * When adding some new socket type please |
| 90 | * grep ARCH_HAS_SOCKET_TYPE include/asm-* /socket.h, at least MIPS |
| 91 | * overrides this enum for binary compat reasons. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | */ |
| 93 | enum sock_type { |
| 94 | SOCK_STREAM = 1, |
| 95 | SOCK_DGRAM = 2, |
| 96 | SOCK_RAW = 3, |
| 97 | SOCK_RDM = 4, |
| 98 | SOCK_SEQPACKET = 5, |
Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 99 | SOCK_DCCP = 6, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | SOCK_PACKET = 10, |
| 101 | }; |
| 102 | |
| 103 | #define SOCK_MAX (SOCK_PACKET + 1) |
Ulrich Drepper | a677a03 | 2008-07-23 21:29:17 -0700 | [diff] [blame] | 104 | /* Mask which covers at least up to SOCK_MASK-1. The |
| 105 | * remaining bits are used as flags. */ |
| 106 | #define SOCK_TYPE_MASK 0xf |
| 107 | |
Ulrich Drepper | de11def | 2008-11-19 15:36:14 -0800 | [diff] [blame] | 108 | /* Flags for socket, socketpair, accept4 */ |
Ulrich Drepper | a677a03 | 2008-07-23 21:29:17 -0700 | [diff] [blame] | 109 | #define SOCK_CLOEXEC O_CLOEXEC |
Ulrich Drepper | c019bbc | 2008-07-23 21:29:21 -0700 | [diff] [blame] | 110 | #ifndef SOCK_NONBLOCK |
| 111 | #define SOCK_NONBLOCK O_NONBLOCK |
| 112 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
| 114 | #endif /* ARCH_HAS_SOCKET_TYPES */ |
| 115 | |
Trond Myklebust | 91cf45f | 2007-11-12 18:10:39 -0800 | [diff] [blame] | 116 | enum sock_shutdown_cmd { |
| 117 | SHUT_RD = 0, |
| 118 | SHUT_WR = 1, |
| 119 | SHUT_RDWR = 2, |
| 120 | }; |
| 121 | |
Eric Dumazet | 4381548 | 2010-04-29 11:01:49 +0000 | [diff] [blame] | 122 | struct socket_wq { |
Eric Dumazet | eaefd11 | 2011-02-18 03:26:36 +0000 | [diff] [blame] | 123 | /* Note: wait MUST be first field of socket_wq */ |
Eric Dumazet | 4381548 | 2010-04-29 11:01:49 +0000 | [diff] [blame] | 124 | wait_queue_head_t wait; |
| 125 | struct fasync_struct *fasync_list; |
| 126 | struct rcu_head rcu; |
| 127 | } ____cacheline_aligned_in_smp; |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | /** |
| 130 | * struct socket - general BSD socket |
Pavel Pisa | 4dc3b16 | 2005-05-01 08:59:25 -0700 | [diff] [blame] | 131 | * @state: socket state (%SS_CONNECTED, etc) |
Richard Kennedy | 2c69361 | 2008-07-08 03:03:01 -0700 | [diff] [blame] | 132 | * @type: socket type (%SOCK_STREAM, etc) |
Pavel Pisa | 4dc3b16 | 2005-05-01 08:59:25 -0700 | [diff] [blame] | 133 | * @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc) |
| 134 | * @ops: protocol specific socket operations |
Pavel Pisa | 4dc3b16 | 2005-05-01 08:59:25 -0700 | [diff] [blame] | 135 | * @file: File back pointer for gc |
| 136 | * @sk: internal networking protocol agnostic socket representation |
Randy Dunlap | e2aec37 | 2010-07-01 13:18:58 +0000 | [diff] [blame] | 137 | * @wq: wait queue for several uses |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | */ |
| 139 | struct socket { |
| 140 | socket_state state; |
Eric Dumazet | 29a020d | 2009-09-15 02:39:20 -0700 | [diff] [blame] | 141 | |
| 142 | kmemcheck_bitfield_begin(type); |
Richard Kennedy | 2c69361 | 2008-07-08 03:03:01 -0700 | [diff] [blame] | 143 | short type; |
Eric Dumazet | 29a020d | 2009-09-15 02:39:20 -0700 | [diff] [blame] | 144 | kmemcheck_bitfield_end(type); |
| 145 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | unsigned long flags; |
Eric Dumazet | 4381548 | 2010-04-29 11:01:49 +0000 | [diff] [blame] | 147 | |
Eric Dumazet | eaefd11 | 2011-02-18 03:26:36 +0000 | [diff] [blame] | 148 | struct socket_wq __rcu *wq; |
Eric Dumazet | 8bdd663 | 2009-03-15 19:59:13 -0700 | [diff] [blame] | 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | struct file *file; |
| 151 | struct sock *sk; |
Eric Dumazet | 8bdd663 | 2009-03-15 19:59:13 -0700 | [diff] [blame] | 152 | const struct proto_ops *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | }; |
| 154 | |
| 155 | struct vm_area_struct; |
| 156 | struct page; |
| 157 | struct kiocb; |
| 158 | struct sockaddr; |
| 159 | struct msghdr; |
| 160 | struct module; |
| 161 | |
| 162 | struct proto_ops { |
| 163 | int family; |
| 164 | struct module *owner; |
| 165 | int (*release) (struct socket *sock); |
| 166 | int (*bind) (struct socket *sock, |
| 167 | struct sockaddr *myaddr, |
| 168 | int sockaddr_len); |
| 169 | int (*connect) (struct socket *sock, |
| 170 | struct sockaddr *vaddr, |
| 171 | int sockaddr_len, int flags); |
| 172 | int (*socketpair)(struct socket *sock1, |
| 173 | struct socket *sock2); |
| 174 | int (*accept) (struct socket *sock, |
| 175 | struct socket *newsock, int flags); |
| 176 | int (*getname) (struct socket *sock, |
| 177 | struct sockaddr *addr, |
| 178 | int *sockaddr_len, int peer); |
| 179 | unsigned int (*poll) (struct file *file, struct socket *sock, |
| 180 | struct poll_table_struct *wait); |
| 181 | int (*ioctl) (struct socket *sock, unsigned int cmd, |
| 182 | unsigned long arg); |
Alexey Dobriyan | 1621e09 | 2010-02-01 09:44:19 +0000 | [diff] [blame] | 183 | #ifdef CONFIG_COMPAT |
Shaun Pereira | 89bbfc9 | 2006-03-21 23:58:08 -0800 | [diff] [blame] | 184 | int (*compat_ioctl) (struct socket *sock, unsigned int cmd, |
| 185 | unsigned long arg); |
Alexey Dobriyan | 1621e09 | 2010-02-01 09:44:19 +0000 | [diff] [blame] | 186 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | int (*listen) (struct socket *sock, int len); |
| 188 | int (*shutdown) (struct socket *sock, int flags); |
| 189 | int (*setsockopt)(struct socket *sock, int level, |
David S. Miller | b705884 | 2009-09-30 16:12:20 -0700 | [diff] [blame] | 190 | int optname, char __user *optval, unsigned int optlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | int (*getsockopt)(struct socket *sock, int level, |
| 192 | int optname, char __user *optval, int __user *optlen); |
Alexey Dobriyan | 1621e09 | 2010-02-01 09:44:19 +0000 | [diff] [blame] | 193 | #ifdef CONFIG_COMPAT |
Dmitry Mishin | 3fdadf7 | 2006-03-20 22:45:21 -0800 | [diff] [blame] | 194 | int (*compat_setsockopt)(struct socket *sock, int level, |
David S. Miller | b705884 | 2009-09-30 16:12:20 -0700 | [diff] [blame] | 195 | int optname, char __user *optval, unsigned int optlen); |
Dmitry Mishin | 3fdadf7 | 2006-03-20 22:45:21 -0800 | [diff] [blame] | 196 | int (*compat_getsockopt)(struct socket *sock, int level, |
| 197 | int optname, char __user *optval, int __user *optlen); |
Alexey Dobriyan | 1621e09 | 2010-02-01 09:44:19 +0000 | [diff] [blame] | 198 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | int (*sendmsg) (struct kiocb *iocb, struct socket *sock, |
| 200 | struct msghdr *m, size_t total_len); |
| 201 | int (*recvmsg) (struct kiocb *iocb, struct socket *sock, |
| 202 | struct msghdr *m, size_t total_len, |
| 203 | int flags); |
| 204 | int (*mmap) (struct file *file, struct socket *sock, |
| 205 | struct vm_area_struct * vma); |
| 206 | ssize_t (*sendpage) (struct socket *sock, struct page *page, |
| 207 | int offset, size_t size, int flags); |
Jens Axboe | 9c55e01 | 2007-11-06 23:30:13 -0800 | [diff] [blame] | 208 | ssize_t (*splice_read)(struct socket *sock, loff_t *ppos, |
| 209 | struct pipe_inode_info *pipe, size_t len, unsigned int flags); |
Pavel Emelyanov | ef64a54 | 2012-02-21 07:31:34 +0000 | [diff] [blame] | 210 | void (*set_peek_off)(struct sock *sk, int val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | }; |
| 212 | |
Cyrill Gorcunov | 38bfd8f | 2009-10-29 02:59:18 -0700 | [diff] [blame] | 213 | #define DECLARE_SOCKADDR(type, dst, src) \ |
| 214 | type dst = ({ __sockaddr_check_size(sizeof(*dst)); (type) src; }) |
| 215 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | struct net_proto_family { |
| 217 | int family; |
Eric Paris | 3f378b6 | 2009-11-05 22:18:14 -0800 | [diff] [blame] | 218 | int (*create)(struct net *net, struct socket *sock, |
| 219 | int protocol, int kern); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | struct module *owner; |
| 221 | }; |
| 222 | |
| 223 | struct iovec; |
| 224 | struct kvec; |
| 225 | |
Pavel Emelyanov | 8d8ad9d | 2007-11-26 20:10:50 +0800 | [diff] [blame] | 226 | enum { |
| 227 | SOCK_WAKE_IO, |
| 228 | SOCK_WAKE_WAITD, |
| 229 | SOCK_WAKE_SPACE, |
| 230 | SOCK_WAKE_URG, |
| 231 | }; |
| 232 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | extern int sock_wake_async(struct socket *sk, int how, int band); |
Stephen Hemminger | f0fd27d | 2006-08-09 21:03:17 -0700 | [diff] [blame] | 234 | extern int sock_register(const struct net_proto_family *fam); |
| 235 | extern void sock_unregister(int family); |
Pavel Emelyanov | 721db93 | 2010-09-29 16:06:32 +0400 | [diff] [blame] | 236 | extern int __sock_create(struct net *net, int family, int type, int proto, |
| 237 | struct socket **res, int kern); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | extern int sock_create(int family, int type, int proto, |
| 239 | struct socket **res); |
| 240 | extern int sock_create_kern(int family, int type, int proto, |
| 241 | struct socket **res); |
| 242 | extern int sock_create_lite(int family, int type, int proto, |
| 243 | struct socket **res); |
| 244 | extern void sock_release(struct socket *sock); |
| 245 | extern int sock_sendmsg(struct socket *sock, struct msghdr *msg, |
| 246 | size_t len); |
| 247 | extern int sock_recvmsg(struct socket *sock, struct msghdr *msg, |
| 248 | size_t size, int flags); |
Ulrich Drepper | a677a03 | 2008-07-23 21:29:17 -0700 | [diff] [blame] | 249 | extern int sock_map_fd(struct socket *sock, int flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | extern struct socket *sockfd_lookup(int fd, int *err); |
| 251 | #define sockfd_put(sock) fput(sock->file) |
| 252 | extern int net_ratelimit(void); |
Stephen Hemminger | aaa248f | 2006-10-17 00:09:42 -0700 | [diff] [blame] | 253 | |
Joe Perches | 3a3bfb6 | 2012-05-13 21:56:25 +0000 | [diff] [blame] | 254 | #define net_ratelimited_function(function, ...) \ |
| 255 | do { \ |
| 256 | if (net_ratelimit()) \ |
| 257 | function(__VA_ARGS__); \ |
| 258 | } while (0) |
| 259 | |
| 260 | #define net_emerg_ratelimited(fmt, ...) \ |
| 261 | net_ratelimited_function(pr_emerg, fmt, ##__VA_ARGS__) |
| 262 | #define net_alert_ratelimited(fmt, ...) \ |
| 263 | net_ratelimited_function(pr_alert, fmt, ##__VA_ARGS__) |
| 264 | #define net_crit_ratelimited(fmt, ...) \ |
| 265 | net_ratelimited_function(pr_crit, fmt, ##__VA_ARGS__) |
| 266 | #define net_err_ratelimited(fmt, ...) \ |
| 267 | net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__) |
| 268 | #define net_notice_ratelimited(fmt, ...) \ |
| 269 | net_ratelimited_function(pr_notice, fmt, ##__VA_ARGS__) |
| 270 | #define net_warn_ratelimited(fmt, ...) \ |
| 271 | net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__) |
| 272 | #define net_info_ratelimited(fmt, ...) \ |
| 273 | net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__) |
| 274 | #define net_dbg_ratelimited(fmt, ...) \ |
| 275 | net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) |
| 276 | |
Stephen Hemminger | aaa248f | 2006-10-17 00:09:42 -0700 | [diff] [blame] | 277 | #define net_random() random32() |
Al Viro | a64b78a | 2006-11-14 21:12:29 -0800 | [diff] [blame] | 278 | #define net_srandom(seed) srandom32((__force u32)seed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | |
| 280 | extern int kernel_sendmsg(struct socket *sock, struct msghdr *msg, |
| 281 | struct kvec *vec, size_t num, size_t len); |
| 282 | extern int kernel_recvmsg(struct socket *sock, struct msghdr *msg, |
| 283 | struct kvec *vec, size_t num, |
| 284 | size_t len, int flags); |
| 285 | |
Sridhar Samudrala | ac5a488 | 2006-08-07 20:57:31 -0700 | [diff] [blame] | 286 | extern int kernel_bind(struct socket *sock, struct sockaddr *addr, |
| 287 | int addrlen); |
| 288 | extern int kernel_listen(struct socket *sock, int backlog); |
| 289 | extern int kernel_accept(struct socket *sock, struct socket **newsock, |
| 290 | int flags); |
| 291 | extern int kernel_connect(struct socket *sock, struct sockaddr *addr, |
| 292 | int addrlen, int flags); |
| 293 | extern int kernel_getsockname(struct socket *sock, struct sockaddr *addr, |
| 294 | int *addrlen); |
| 295 | extern int kernel_getpeername(struct socket *sock, struct sockaddr *addr, |
| 296 | int *addrlen); |
| 297 | extern int kernel_getsockopt(struct socket *sock, int level, int optname, |
| 298 | char *optval, int *optlen); |
| 299 | extern int kernel_setsockopt(struct socket *sock, int level, int optname, |
David S. Miller | b705884 | 2009-09-30 16:12:20 -0700 | [diff] [blame] | 300 | char *optval, unsigned int optlen); |
Sridhar Samudrala | ac5a488 | 2006-08-07 20:57:31 -0700 | [diff] [blame] | 301 | extern int kernel_sendpage(struct socket *sock, struct page *page, int offset, |
| 302 | size_t size, int flags); |
| 303 | extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); |
Trond Myklebust | 91cf45f | 2007-11-12 18:10:39 -0800 | [diff] [blame] | 304 | extern int kernel_sock_shutdown(struct socket *sock, |
| 305 | enum sock_shutdown_cmd how); |
Sridhar Samudrala | ac5a488 | 2006-08-07 20:57:31 -0700 | [diff] [blame] | 306 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | #define MODULE_ALIAS_NETPROTO(proto) \ |
| 308 | MODULE_ALIAS("net-pf-" __stringify(proto)) |
| 309 | |
Harald Welte | 4fdb3bb | 2005-08-09 19:40:55 -0700 | [diff] [blame] | 310 | #define MODULE_ALIAS_NET_PF_PROTO(pf, proto) \ |
| 311 | MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto)) |
| 312 | |
Jean Delvare | 305e1e9 | 2007-10-21 16:44:04 -0700 | [diff] [blame] | 313 | #define MODULE_ALIAS_NET_PF_PROTO_TYPE(pf, proto, type) \ |
| 314 | MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto) \ |
| 315 | "-type-" __stringify(type)) |
| 316 | |
Neil Horman | 2033e9b | 2012-05-29 09:30:40 +0000 | [diff] [blame] | 317 | #define MODULE_ALIAS_NET_PF_PROTO_NAME(pf, proto, name) \ |
| 318 | MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto) \ |
| 319 | name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | #endif /* __KERNEL__ */ |
| 321 | #endif /* _LINUX_NET_H */ |