#ifndef _LINUX_NET_H
#define _LINUX_NET_H
-#include <linux/wait.h>
+#include <linux/socket.h>
#include <asm/socket.h>
-struct poll_table_struct;
-struct pipe_inode_info;
-struct inode;
-struct net;
-
-#define NPROTO 34 /* should be enough for now.. */
+#define NPROTO AF_MAX
#define SYS_SOCKET 1 /* sys_socket(2) */
#define SYS_BIND 2 /* sys_bind(2) */
#define SYS_GETSOCKOPT 15 /* sys_getsockopt(2) */
#define SYS_SENDMSG 16 /* sys_sendmsg(2) */
#define SYS_RECVMSG 17 /* sys_recvmsg(2) */
+#define SYS_ACCEPT4 18 /* sys_accept4(2) */
+#define SYS_RECVMMSG 19 /* sys_recvmmsg(2) */
typedef enum {
SS_FREE = 0, /* not allocated */
#ifdef __KERNEL__
#include <linux/stringify.h>
#include <linux/random.h>
+#include <linux/wait.h>
+#include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */
+#include <linux/kmemcheck.h>
+
+struct poll_table_struct;
+struct pipe_inode_info;
+struct inode;
+struct net;
#define SOCK_ASYNC_NOSPACE 0
#define SOCK_ASYNC_WAITDATA 1
};
#define SOCK_MAX (SOCK_PACKET + 1)
+/* Mask which covers at least up to SOCK_MASK-1. The
+ * remaining bits are used as flags. */
+#define SOCK_TYPE_MASK 0xf
+
+/* Flags for socket, socketpair, accept4 */
+#define SOCK_CLOEXEC O_CLOEXEC
+#ifndef SOCK_NONBLOCK
+#define SOCK_NONBLOCK O_NONBLOCK
+#endif
#endif /* ARCH_HAS_SOCKET_TYPES */
/**
* struct socket - general BSD socket
* @state: socket state (%SS_CONNECTED, etc)
+ * @type: socket type (%SOCK_STREAM, etc)
* @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
* @ops: protocol specific socket operations
* @fasync_list: Asynchronous wake up list
* @file: File back pointer for gc
* @sk: internal networking protocol agnostic socket representation
* @wait: wait queue for several uses
- * @type: socket type (%SOCK_STREAM, etc)
*/
struct socket {
socket_state state;
+
+ kmemcheck_bitfield_begin(type);
+ short type;
+ kmemcheck_bitfield_end(type);
+
unsigned long flags;
- const struct proto_ops *ops;
+ /*
+ * Please keep fasync_list & wait fields in the same cache line
+ */
struct fasync_struct *fasync_list;
+ wait_queue_head_t wait;
+
struct file *file;
struct sock *sk;
- wait_queue_head_t wait;
- short type;
+ const struct proto_ops *ops;
};
struct vm_area_struct;
struct poll_table_struct *wait);
int (*ioctl) (struct socket *sock, unsigned int cmd,
unsigned long arg);
+#ifdef CONFIG_COMPAT
int (*compat_ioctl) (struct socket *sock, unsigned int cmd,
unsigned long arg);
+#endif
int (*listen) (struct socket *sock, int len);
int (*shutdown) (struct socket *sock, int flags);
int (*setsockopt)(struct socket *sock, int level,
- int optname, char __user *optval, int optlen);
+ int optname, char __user *optval, unsigned int optlen);
int (*getsockopt)(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
+#ifdef CONFIG_COMPAT
int (*compat_setsockopt)(struct socket *sock, int level,
- int optname, char __user *optval, int optlen);
+ int optname, char __user *optval, unsigned int optlen);
int (*compat_getsockopt)(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
+#endif
int (*sendmsg) (struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t total_len);
int (*recvmsg) (struct kiocb *iocb, struct socket *sock,
struct pipe_inode_info *pipe, size_t len, unsigned int flags);
};
+#define DECLARE_SOCKADDR(type, dst, src) \
+ type dst = ({ __sockaddr_check_size(sizeof(*dst)); (type) src; })
+
struct net_proto_family {
int family;
- int (*create)(struct net *net, struct socket *sock, int protocol);
+ int (*create)(struct net *net, struct socket *sock,
+ int protocol, int kern);
struct module *owner;
};
struct iovec;
struct kvec;
+enum {
+ SOCK_WAKE_IO,
+ SOCK_WAKE_WAITD,
+ SOCK_WAKE_SPACE,
+ SOCK_WAKE_URG,
+};
+
extern int sock_wake_async(struct socket *sk, int how, int band);
extern int sock_register(const struct net_proto_family *fam);
extern void sock_unregister(int family);
size_t len);
extern int sock_recvmsg(struct socket *sock, struct msghdr *msg,
size_t size, int flags);
-extern int sock_map_fd(struct socket *sock);
+extern int sock_map_fd(struct socket *sock, int flags);
extern struct socket *sockfd_lookup(int fd, int *err);
#define sockfd_put(sock) fput(sock->file)
extern int net_ratelimit(void);
extern int kernel_getsockopt(struct socket *sock, int level, int optname,
char *optval, int *optlen);
extern int kernel_setsockopt(struct socket *sock, int level, int optname,
- char *optval, int optlen);
+ char *optval, unsigned int optlen);
extern int kernel_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags);
extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
extern int kernel_sock_shutdown(struct socket *sock,
enum sock_shutdown_cmd how);
-#ifndef CONFIG_SMP
-#define SOCKOPS_WRAPPED(name) name
-#define SOCKOPS_WRAP(name, fam)
-#else
-
-#define SOCKOPS_WRAPPED(name) __unlocked_##name
-
-#define SOCKCALL_WRAP(name, call, parms, args) \
-static int __lock_##name##_##call parms \
-{ \
- int ret; \
- lock_kernel(); \
- ret = __unlocked_##name##_ops.call args ;\
- unlock_kernel(); \
- return ret; \
-}
-
-#define SOCKCALL_UWRAP(name, call, parms, args) \
-static unsigned int __lock_##name##_##call parms \
-{ \
- int ret; \
- lock_kernel(); \
- ret = __unlocked_##name##_ops.call args ;\
- unlock_kernel(); \
- return ret; \
-}
-
-
-#define SOCKOPS_WRAP(name, fam) \
-SOCKCALL_WRAP(name, release, (struct socket *sock), (sock)) \
-SOCKCALL_WRAP(name, bind, (struct socket *sock, struct sockaddr *uaddr, int addr_len), \
- (sock, uaddr, addr_len)) \
-SOCKCALL_WRAP(name, connect, (struct socket *sock, struct sockaddr * uaddr, \
- int addr_len, int flags), \
- (sock, uaddr, addr_len, flags)) \
-SOCKCALL_WRAP(name, socketpair, (struct socket *sock1, struct socket *sock2), \
- (sock1, sock2)) \
-SOCKCALL_WRAP(name, accept, (struct socket *sock, struct socket *newsock, \
- int flags), (sock, newsock, flags)) \
-SOCKCALL_WRAP(name, getname, (struct socket *sock, struct sockaddr *uaddr, \
- int *addr_len, int peer), (sock, uaddr, addr_len, peer)) \
-SOCKCALL_UWRAP(name, poll, (struct file *file, struct socket *sock, struct poll_table_struct *wait), \
- (file, sock, wait)) \
-SOCKCALL_WRAP(name, ioctl, (struct socket *sock, unsigned int cmd, \
- unsigned long arg), (sock, cmd, arg)) \
-SOCKCALL_WRAP(name, compat_ioctl, (struct socket *sock, unsigned int cmd, \
- unsigned long arg), (sock, cmd, arg)) \
-SOCKCALL_WRAP(name, listen, (struct socket *sock, int len), (sock, len)) \
-SOCKCALL_WRAP(name, shutdown, (struct socket *sock, int flags), (sock, flags)) \
-SOCKCALL_WRAP(name, setsockopt, (struct socket *sock, int level, int optname, \
- char __user *optval, int optlen), (sock, level, optname, optval, optlen)) \
-SOCKCALL_WRAP(name, getsockopt, (struct socket *sock, int level, int optname, \
- char __user *optval, int __user *optlen), (sock, level, optname, optval, optlen)) \
-SOCKCALL_WRAP(name, sendmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len), \
- (iocb, sock, m, len)) \
-SOCKCALL_WRAP(name, recvmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len, int flags), \
- (iocb, sock, m, len, flags)) \
-SOCKCALL_WRAP(name, mmap, (struct file *file, struct socket *sock, struct vm_area_struct *vma), \
- (file, sock, vma)) \
- \
-static const struct proto_ops name##_ops = { \
- .family = fam, \
- .owner = THIS_MODULE, \
- .release = __lock_##name##_release, \
- .bind = __lock_##name##_bind, \
- .connect = __lock_##name##_connect, \
- .socketpair = __lock_##name##_socketpair, \
- .accept = __lock_##name##_accept, \
- .getname = __lock_##name##_getname, \
- .poll = __lock_##name##_poll, \
- .ioctl = __lock_##name##_ioctl, \
- .compat_ioctl = __lock_##name##_compat_ioctl, \
- .listen = __lock_##name##_listen, \
- .shutdown = __lock_##name##_shutdown, \
- .setsockopt = __lock_##name##_setsockopt, \
- .getsockopt = __lock_##name##_getsockopt, \
- .sendmsg = __lock_##name##_sendmsg, \
- .recvmsg = __lock_##name##_recvmsg, \
- .mmap = __lock_##name##_mmap, \
-};
-
-#endif
-
#define MODULE_ALIAS_NETPROTO(proto) \
MODULE_ALIAS("net-pf-" __stringify(proto))
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
-extern ctl_table net_table[];
-extern int net_msg_cost;
-extern int net_msg_burst;
+#include <linux/ratelimit.h>
+extern struct ratelimit_state net_ratelimit_state;
#endif
#endif /* __KERNEL__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff