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-rw-r--r--include/linux/net.h91
1 files changed, 7 insertions, 84 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index 529a0931711d..5e8083cacc8b 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -41,6 +41,7 @@
41#define SYS_SENDMSG 16 /* sys_sendmsg(2) */ 41#define SYS_SENDMSG 16 /* sys_sendmsg(2) */
42#define SYS_RECVMSG 17 /* sys_recvmsg(2) */ 42#define SYS_RECVMSG 17 /* sys_recvmsg(2) */
43#define SYS_ACCEPT4 18 /* sys_accept4(2) */ 43#define SYS_ACCEPT4 18 /* sys_accept4(2) */
44#define SYS_RECVMMSG 19 /* sys_recvmmsg(2) */
44 45
45typedef enum { 46typedef enum {
46 SS_FREE = 0, /* not allocated */ 47 SS_FREE = 0, /* not allocated */
@@ -198,9 +199,13 @@ struct proto_ops {
198 struct pipe_inode_info *pipe, size_t len, unsigned int flags); 199 struct pipe_inode_info *pipe, size_t len, unsigned int flags);
199}; 200};
200 201
202#define DECLARE_SOCKADDR(type, dst, src) \
203 type dst = ({ __sockaddr_check_size(sizeof(*dst)); (type) src; })
204
201struct net_proto_family { 205struct net_proto_family {
202 int family; 206 int family;
203 int (*create)(struct net *net, struct socket *sock, int protocol); 207 int (*create)(struct net *net, struct socket *sock,
208 int protocol, int kern);
204 struct module *owner; 209 struct module *owner;
205}; 210};
206 211
@@ -263,89 +268,6 @@ extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
263extern int kernel_sock_shutdown(struct socket *sock, 268extern int kernel_sock_shutdown(struct socket *sock,
264 enum sock_shutdown_cmd how); 269 enum sock_shutdown_cmd how);
265 270
266#ifndef CONFIG_SMP
267#define SOCKOPS_WRAPPED(name) name
268#define SOCKOPS_WRAP(name, fam)
269#else
270
271#define SOCKOPS_WRAPPED(name) __unlocked_##name
272
273#define SOCKCALL_WRAP(name, call, parms, args) \
274static int __lock_##name##_##call parms \
275{ \
276 int ret; \
277 lock_kernel(); \
278 ret = __unlocked_##name##_ops.call args ;\
279 unlock_kernel(); \
280 return ret; \
281}
282
283#define SOCKCALL_UWRAP(name, call, parms, args) \
284static unsigned int __lock_##name##_##call parms \
285{ \
286 int ret; \
287 lock_kernel(); \
288 ret = __unlocked_##name##_ops.call args ;\
289 unlock_kernel(); \
290 return ret; \
291}
292
293
294#define SOCKOPS_WRAP(name, fam) \
295SOCKCALL_WRAP(name, release, (struct socket *sock), (sock)) \
296SOCKCALL_WRAP(name, bind, (struct socket *sock, struct sockaddr *uaddr, int addr_len), \
297 (sock, uaddr, addr_len)) \
298SOCKCALL_WRAP(name, connect, (struct socket *sock, struct sockaddr * uaddr, \
299 int addr_len, int flags), \
300 (sock, uaddr, addr_len, flags)) \
301SOCKCALL_WRAP(name, socketpair, (struct socket *sock1, struct socket *sock2), \
302 (sock1, sock2)) \
303SOCKCALL_WRAP(name, accept, (struct socket *sock, struct socket *newsock, \
304 int flags), (sock, newsock, flags)) \
305SOCKCALL_WRAP(name, getname, (struct socket *sock, struct sockaddr *uaddr, \
306 int *addr_len, int peer), (sock, uaddr, addr_len, peer)) \
307SOCKCALL_UWRAP(name, poll, (struct file *file, struct socket *sock, struct poll_table_struct *wait), \
308 (file, sock, wait)) \
309SOCKCALL_WRAP(name, ioctl, (struct socket *sock, unsigned int cmd, \
310 unsigned long arg), (sock, cmd, arg)) \
311SOCKCALL_WRAP(name, compat_ioctl, (struct socket *sock, unsigned int cmd, \
312 unsigned long arg), (sock, cmd, arg)) \
313SOCKCALL_WRAP(name, listen, (struct socket *sock, int len), (sock, len)) \
314SOCKCALL_WRAP(name, shutdown, (struct socket *sock, int flags), (sock, flags)) \
315SOCKCALL_WRAP(name, setsockopt, (struct socket *sock, int level, int optname, \
316 char __user *optval, unsigned int optlen), (sock, level, optname, optval, optlen)) \
317SOCKCALL_WRAP(name, getsockopt, (struct socket *sock, int level, int optname, \
318 char __user *optval, int __user *optlen), (sock, level, optname, optval, optlen)) \
319SOCKCALL_WRAP(name, sendmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len), \
320 (iocb, sock, m, len)) \
321SOCKCALL_WRAP(name, recvmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len, int flags), \
322 (iocb, sock, m, len, flags)) \
323SOCKCALL_WRAP(name, mmap, (struct file *file, struct socket *sock, struct vm_area_struct *vma), \
324 (file, sock, vma)) \
325 \
326static const struct proto_ops name##_ops = { \
327 .family = fam, \
328 .owner = THIS_MODULE, \
329 .release = __lock_##name##_release, \
330 .bind = __lock_##name##_bind, \
331 .connect = __lock_##name##_connect, \
332 .socketpair = __lock_##name##_socketpair, \
333 .accept = __lock_##name##_accept, \
334 .getname = __lock_##name##_getname, \
335 .poll = __lock_##name##_poll, \
336 .ioctl = __lock_##name##_ioctl, \
337 .compat_ioctl = __lock_##name##_compat_ioctl, \
338 .listen = __lock_##name##_listen, \
339 .shutdown = __lock_##name##_shutdown, \
340 .setsockopt = __lock_##name##_setsockopt, \
341 .getsockopt = __lock_##name##_getsockopt, \
342 .sendmsg = __lock_##name##_sendmsg, \
343 .recvmsg = __lock_##name##_recvmsg, \
344 .mmap = __lock_##name##_mmap, \
345};
346
347#endif
348
349#define MODULE_ALIAS_NETPROTO(proto) \ 271#define MODULE_ALIAS_NETPROTO(proto) \
350 MODULE_ALIAS("net-pf-" __stringify(proto)) 272 MODULE_ALIAS("net-pf-" __stringify(proto))
351 273
@@ -358,6 +280,7 @@ static const struct proto_ops name##_ops = { \
358 280
359#ifdef CONFIG_SYSCTL 281#ifdef CONFIG_SYSCTL
360#include <linux/sysctl.h> 282#include <linux/sysctl.h>
283#include <linux/ratelimit.h>
361extern struct ratelimit_state net_ratelimit_state; 284extern struct ratelimit_state net_ratelimit_state;
362#endif 285#endif
363 286