#include <linux/netdevice.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <net/tux.h>
#include <linux/wanrouter.h>
#include <linux/if_bridge.h>
#include <linux/init.h>
* in the operation structures but are done directly via the socketcall() multiplexor.
*/
-static struct file_operations socket_file_ops = {
+struct file_operations socket_file_ops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.aio_read = sock_aio_read,
* but we take care of internal coherence yet.
*/
-int sock_map_fd(struct socket *sock)
+struct file * sock_map_file(struct socket *sock)
{
- int fd;
+ struct file *file;
struct qstr this;
char name[32];
- /*
- * Find a file descriptor suitable for return to the user.
- */
+ file = get_empty_filp();
- fd = get_unused_fd();
- if (fd >= 0) {
- struct file *file = get_empty_filp();
+ if (!file)
+ return ERR_PTR(-ENFILE);
- if (!file) {
- put_unused_fd(fd);
- fd = -ENFILE;
- goto out;
- }
-
- sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino);
- this.name = name;
- this.len = strlen(name);
- this.hash = SOCK_INODE(sock)->i_ino;
+ sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino);
+ this.name = name;
+ this.len = strlen(name);
+ this.hash = SOCK_INODE(sock)->i_ino;
- file->f_dentry = d_alloc(sock_mnt->mnt_sb->s_root, &this);
- if (!file->f_dentry) {
- put_filp(file);
- put_unused_fd(fd);
- fd = -ENOMEM;
- goto out;
- }
- file->f_dentry->d_op = &sockfs_dentry_operations;
- d_add(file->f_dentry, SOCK_INODE(sock));
- file->f_vfsmnt = mntget(sock_mnt);
- file->f_mapping = file->f_dentry->d_inode->i_mapping;
-
- sock->file = file;
- file->f_op = SOCK_INODE(sock)->i_fop = &socket_file_ops;
- file->f_mode = 3;
- file->f_flags = O_RDWR;
- file->f_pos = 0;
- fd_install(fd, file);
+ file->f_dentry = d_alloc(sock_mnt->mnt_sb->s_root, &this);
+ if (!file->f_dentry) {
+ put_filp(file);
+ return ERR_PTR(-ENOMEM);
}
+ file->f_dentry->d_op = &sockfs_dentry_operations;
+ d_add(file->f_dentry, SOCK_INODE(sock));
+ file->f_vfsmnt = mntget(sock_mnt);
+file->f_mapping = file->f_dentry->d_inode->i_mapping;
+
+ if (sock->file)
+ BUG();
+ sock->file = file;
+ file->f_op = SOCK_INODE(sock)->i_fop = &socket_file_ops;
+ file->f_mode = FMODE_READ | FMODE_WRITE;
+ file->f_flags = O_RDWR;
+ file->f_pos = 0;
+
+ return file;
+}
-out:
+int sock_map_fd(struct socket *sock)
+{
+ int fd;
+ struct file *file;
+
+ /*
+ * Find a file descriptor suitable for return to the user.
+ */
+
+ fd = get_unused_fd();
+ if (fd < 0)
+ return fd;
+
+ file = sock_map_file(sock);
+ if (IS_ERR(file)) {
+ put_unused_fd(fd);
+ return PTR_ERR(file);
+ }
+ fd_install(fd, file);
+
return fd;
}
else
vx_sock_fail(sock->sk, size);
}
- vxdprintk("__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d\n",
+ vxdprintk(VXD_CBIT(net, 7),
+ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d",
sock, sock->sk,
(sock->sk)?sock->sk->sk_nx_info:0,
(sock->sk)?sock->sk->sk_vx_info:0,
(sock->sk)?sock->sk->sk_xid:0,
- size, len);
+ (unsigned int)size, len);
return len;
}
return ret;
}
+int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
+ struct kvec *vec, size_t num, size_t size)
+{
+ mm_segment_t oldfs = get_fs();
+ int result;
+
+ set_fs(KERNEL_DS);
+ /*
+ * the following is safe, since for compiler definitions of kvec and
+ * iovec are identical, yielding the same in-core layout and alignment
+ */
+ msg->msg_iov = (struct iovec *)vec,
+ msg->msg_iovlen = num;
+ result = sock_sendmsg(sock, msg, size);
+ set_fs(oldfs);
+ return result;
+}
static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
if ((len >= 0) && sock->sk)
vx_sock_recv(sock->sk, len);
- vxdprintk("__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d\n",
+ vxdprintk(VXD_CBIT(net, 7),
+ "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d",
sock, sock->sk,
(sock->sk)?sock->sk->sk_nx_info:0,
(sock->sk)?sock->sk->sk_vx_info:0,
(sock->sk)?sock->sk->sk_xid:0,
- size, len);
+ (unsigned int)size, len);
return len;
}
return ret;
}
+int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
+ struct kvec *vec, size_t num,
+ size_t size, int flags)
+{
+ mm_segment_t oldfs = get_fs();
+ int result;
+
+ set_fs(KERNEL_DS);
+ /*
+ * the following is safe, since for compiler definitions of kvec and
+ * iovec are identical, yielding the same in-core layout and alignment
+ */
+ msg->msg_iov = (struct iovec *)vec,
+ msg->msg_iovlen = num;
+ result = sock_recvmsg(sock, msg, size, flags);
+ set_fs(oldfs);
+ return result;
+}
+
static void sock_aio_dtor(struct kiocb *iocb)
{
kfree(iocb->private);
struct socket *sock;
int flags;
- if (ppos != &file->f_pos)
- return -ESPIPE;
-
sock = SOCKET_I(file->f_dentry->d_inode);
flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
}
out:
+ if (sock->sk != sk)
+ BUG();
release_sock(sock->sk);
return 0;
}
#endif
}
+int tux_Dprintk;
+int tux_TDprintk;
+
+#ifdef CONFIG_TUX_MODULE
+
+asmlinkage long (*sys_tux_ptr) (unsigned int action, user_req_t *u_info) = NULL;
+
+struct module *tux_module = NULL;
+spinlock_t tux_module_lock = SPIN_LOCK_UNLOCKED;
+
+asmlinkage long sys_tux (unsigned int action, user_req_t *u_info)
+{
+ int ret;
+
+ if (current->tux_info)
+ return sys_tux_ptr(action, u_info);
+
+ ret = -ENOSYS;
+ spin_lock(&tux_module_lock);
+ if (!tux_module)
+ goto out_unlock;
+ if (!try_module_get(tux_module))
+ goto out_unlock;
+ spin_unlock(&tux_module_lock);
+
+ if (!sys_tux_ptr)
+ TUX_BUG();
+ ret = sys_tux_ptr(action, u_info);
+
+ spin_lock(&tux_module_lock);
+ module_put(tux_module);
+out_unlock:
+ spin_unlock(&tux_module_lock);
+
+ return ret;
+}
+
+EXPORT_SYMBOL_GPL(tux_module);
+EXPORT_SYMBOL_GPL(tux_module_lock);
+EXPORT_SYMBOL_GPL(sys_tux_ptr);
+
+EXPORT_SYMBOL_GPL(tux_Dprintk);
+EXPORT_SYMBOL_GPL(tux_TDprintk);
+
+#endif
#ifdef CONFIG_PROC_FS
void socket_seq_show(struct seq_file *seq)
{
EXPORT_SYMBOL(sock_unregister);
EXPORT_SYMBOL(sock_wake_async);
EXPORT_SYMBOL(sockfd_lookup);
+EXPORT_SYMBOL(kernel_sendmsg);
+EXPORT_SYMBOL(kernel_recvmsg);
git://git.onelab.eu / linux-2.6.git / blobdiff