linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / linux / net.h

diff --git a/include/linux/net.h b/include/linux/net.h
index 1f531a9..3a89224 100644 (file)
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -7,7 +7,7 @@
  * Version:    @(#)net.h       1.0.3   05/25/93
  *
  * Authors:    Orest Zborowski, <obz@Kodak.COM>
- *             Ross Biro, <bir7@leland.Stanford.Edu>
+ *             Ross Biro
  *             Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *
  *             This program is free software; you can redistribute it and/or
@@ -21,6 +21,7 @@
 #include <linux/config.h>
 #include <linux/wait.h>
 #include <linux/stringify.h>
+#include <asm/socket.h>
 
 struct poll_table_struct;
 struct inode;
@@ -60,25 +61,54 @@ typedef enum {
 #define SOCK_ASYNC_NOSPACE     0
 #define SOCK_ASYNC_WAITDATA    1
 #define SOCK_NOSPACE           2
-#define SOCK_PASS_CRED         16
-#define SOCK_USER_SOCKET       17
+#define SOCK_PASSCRED          3
+#define SOCK_USER_SOCKET       4
+
+#ifndef ARCH_HAS_SOCKET_TYPES
+/**
+ * enum sock_type - Socket types
+ * @SOCK_STREAM: stream (connection) socket
+ * @SOCK_DGRAM: datagram (conn.less) socket
+ * @SOCK_RAW: raw socket
+ * @SOCK_RDM: reliably-delivered message
+ * @SOCK_SEQPACKET: sequential packet socket
+ * @SOCK_DCCP: Datagram Congestion Control Protocol socket
+ * @SOCK_PACKET: linux specific way of getting packets at the dev level.
+ *               For writing rarp and other similar things on the user level.
+ *
+ * When adding some new socket type please
+ * grep ARCH_HAS_SOCKET_TYPE include/asm-* /socket.h, at least MIPS
+ * overrides this enum for binary compat reasons.
+ */
+enum sock_type {
+       SOCK_STREAM     = 1,
+       SOCK_DGRAM      = 2,
+       SOCK_RAW        = 3,
+       SOCK_RDM        = 4,
+       SOCK_SEQPACKET  = 5,
+       SOCK_DCCP       = 6,
+       SOCK_PACKET     = 10,
+};
+
+#define SOCK_MAX (SOCK_PACKET + 1)
+
+#endif /* ARCH_HAS_SOCKET_TYPES */
 
 /**
  *  struct socket - general BSD socket
- *  @state - socket state (%SS_CONNECTED, 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)
- *  @passcred - credentials (used only in Unix Sockets (aka PF_LOCAL))
+ *  @state: socket state (%SS_CONNECTED, 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;
        unsigned long           flags;
-       struct proto_ops        *ops;
+       const struct proto_ops  *ops;
        struct fasync_struct    *fasync_list;
        struct file             *file;
        struct sock             *sk;
@@ -143,11 +173,11 @@ struct net_proto_family {
 };
 
 struct iovec;
+struct kvec;
 
 extern int          sock_wake_async(struct socket *sk, int how, int band);
 extern int          sock_register(struct net_proto_family *fam);
 extern int          sock_unregister(int family);
-extern struct socket *sock_alloc(void);
 extern int          sock_create(int family, int type, int proto,
                                 struct socket **res);
 extern int          sock_create_kern(int family, int type, int proto,
@@ -159,16 +189,19 @@ extern int             sock_sendmsg(struct socket *sock, struct msghdr *msg,
                                  size_t len);
 extern int          sock_recvmsg(struct socket *sock, struct msghdr *msg,
                                  size_t size, int flags);
-extern int          sock_readv_writev(int type, struct inode *inode,
-                                      struct file *file,
-                                      const struct iovec *iov, long count,
-                                      size_t size);
 extern int          sock_map_fd(struct socket *sock);
 extern struct socket *sockfd_lookup(int fd, int *err);
 #define                     sockfd_put(sock) fput(sock->file)
 extern int          net_ratelimit(void);
 extern unsigned long net_random(void);
 extern void         net_srandom(unsigned long);
+extern void         net_random_init(void);
+
+extern int          kernel_sendmsg(struct socket *sock, struct msghdr *msg,
+                                   struct kvec *vec, size_t num, size_t len);
+extern int          kernel_recvmsg(struct socket *sock, struct msghdr *msg,
+                                   struct kvec *vec, size_t num,
+                                   size_t len, int flags);
 
 #ifndef CONFIG_SMP
 #define SOCKOPS_WRAPPED(name) name
@@ -228,7 +261,7 @@ SOCKCALL_WRAP(name, recvmsg, (struct kiocb *iocb, struct socket *sock, struct ms
 SOCKCALL_WRAP(name, mmap, (struct file *file, struct socket *sock, struct vm_area_struct *vma), \
              (file, sock, vma)) \
              \
-static struct proto_ops name##_ops = {                 \
+static const struct proto_ops name##_ops = {                   \
        .family         = fam,                          \
        .owner          = THIS_MODULE,                  \
        .release        = __lock_##name##_release,      \
@@ -252,5 +285,15 @@ static struct proto_ops name##_ops = {                     \
 #define MODULE_ALIAS_NETPROTO(proto) \
        MODULE_ALIAS("net-pf-" __stringify(proto))
 
+#define MODULE_ALIAS_NET_PF_PROTO(pf, proto) \
+       MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto))
+
+#ifdef CONFIG_SYSCTL
+#include <linux/sysctl.h>
+extern ctl_table net_table[];
+extern int net_msg_cost;
+extern int net_msg_burst;
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NET_H */