#include <linux/audit.h>
#include <linux/wireless.h>
#include <linux/nsproxy.h>
+#include <linux/magic.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
return __put_user(klen, ulen);
}
-#define SOCKFS_MAGIC 0x534F434B
-
static struct kmem_cache *sock_inode_cachep __read_mostly;
static struct inode *sock_alloc_inode(struct super_block *sb)
return 0;
}
-static struct super_operations sockfs_ops = {
+static const struct super_operations sockfs_ops = {
.alloc_inode = sock_alloc_inode,
.destroy_inode =sock_destroy_inode,
.statfs = simple_statfs,
dentry->d_inode->i_ino);
}
-static struct dentry_operations sockfs_dentry_operations = {
+static const struct dentry_operations sockfs_dentry_operations = {
.d_delete = sockfs_delete_dentry,
.d_dname = sockfs_dname,
};
sock = SOCKET_I(inode);
+ kmemcheck_annotate_bitfield(sock, type);
inode->i_mode = S_IFSOCK | S_IRWXUGO;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
- get_cpu_var(sockets_in_use)++;
- put_cpu_var(sockets_in_use);
+ percpu_add(sockets_in_use, 1);
return sock;
}
if (sock->fasync_list)
printk(KERN_ERR "sock_release: fasync list not empty!\n");
- get_cpu_var(sockets_in_use)--;
- put_cpu_var(sockets_in_use);
+ percpu_sub(sockets_in_use, 1);
if (!sock->file) {
iput(SOCK_INODE(sock));
return;
sock->file = NULL;
}
+int sock_tx_timestamp(struct msghdr *msg, struct sock *sk,
+ union skb_shared_tx *shtx)
+{
+ shtx->flags = 0;
+ if (sock_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE))
+ shtx->hardware = 1;
+ if (sock_flag(sk, SOCK_TIMESTAMPING_TX_SOFTWARE))
+ shtx->software = 1;
+ return 0;
+}
+EXPORT_SYMBOL(sock_tx_timestamp);
+
static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size)
{
return result;
}
+static int ktime2ts(ktime_t kt, struct timespec *ts)
+{
+ if (kt.tv64) {
+ *ts = ktime_to_timespec(kt);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
/*
* called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP)
*/
void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb)
{
- ktime_t kt = skb->tstamp;
-
- if (!sock_flag(sk, SOCK_RCVTSTAMPNS)) {
- struct timeval tv;
- /* Race occurred between timestamp enabling and packet
- receiving. Fill in the current time for now. */
- if (kt.tv64 == 0)
- kt = ktime_get_real();
- skb->tstamp = kt;
- tv = ktime_to_timeval(kt);
- put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP, sizeof(tv), &tv);
- } else {
- struct timespec ts;
- /* Race occurred between timestamp enabling and packet
- receiving. Fill in the current time for now. */
- if (kt.tv64 == 0)
- kt = ktime_get_real();
- skb->tstamp = kt;
- ts = ktime_to_timespec(kt);
- put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPNS, sizeof(ts), &ts);
+ int need_software_tstamp = sock_flag(sk, SOCK_RCVTSTAMP);
+ struct timespec ts[3];
+ int empty = 1;
+ struct skb_shared_hwtstamps *shhwtstamps =
+ skb_hwtstamps(skb);
+
+ /* Race occurred between timestamp enabling and packet
+ receiving. Fill in the current time for now. */
+ if (need_software_tstamp && skb->tstamp.tv64 == 0)
+ __net_timestamp(skb);
+
+ if (need_software_tstamp) {
+ if (!sock_flag(sk, SOCK_RCVTSTAMPNS)) {
+ struct timeval tv;
+ skb_get_timestamp(skb, &tv);
+ put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP,
+ sizeof(tv), &tv);
+ } else {
+ struct timespec ts;
+ skb_get_timestampns(skb, &ts);
+ put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPNS,
+ sizeof(ts), &ts);
+ }
+ }
+
+
+ memset(ts, 0, sizeof(ts));
+ if (skb->tstamp.tv64 &&
+ sock_flag(sk, SOCK_TIMESTAMPING_SOFTWARE)) {
+ skb_get_timestampns(skb, ts + 0);
+ empty = 0;
+ }
+ if (shhwtstamps) {
+ if (sock_flag(sk, SOCK_TIMESTAMPING_SYS_HARDWARE) &&
+ ktime2ts(shhwtstamps->syststamp, ts + 1))
+ empty = 0;
+ if (sock_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE) &&
+ ktime2ts(shhwtstamps->hwtstamp, ts + 2))
+ empty = 0;
}
+ if (!empty)
+ put_cmsg(msg, SOL_SOCKET,
+ SCM_TIMESTAMPING, sizeof(ts), &ts);
}
EXPORT_SYMBOL_GPL(__sock_recv_timestamp);
if (more)
flags |= MSG_MORE;
- return sock->ops->sendpage(sock, page, offset, size, flags);
+ return kernel_sendpage(sock, page, offset, size, flags);
}
static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
lock_sock(sk);
+ spin_lock(&filp->f_lock);
+ if (on)
+ filp->f_flags |= FASYNC;
+ else
+ filp->f_flags &= ~FASYNC;
+ spin_unlock(&filp->f_lock);
+
prev = &(sock->fasync_list);
for (fa = *prev; fa != NULL; prev = &fa->fa_next, fa = *prev)
return __sock_create(&init_net, family, type, protocol, res, 1);
}
-asmlinkage long sys_socket(int family, int type, int protocol)
+SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol)
{
int retval;
struct socket *sock;
* Create a pair of connected sockets.
*/
-asmlinkage long sys_socketpair(int family, int type, int protocol,
- int __user *usockvec)
+SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol,
+ int __user *, usockvec)
{
struct socket *sock1, *sock2;
int fd1, fd2, err;
* ready for listening.
*/
-asmlinkage long sys_listen(int fd, int backlog)
+SYSCALL_DEFINE2(listen, int, fd, int, backlog)
{
struct socket *sock;
int err, fput_needed;
fd_install(newfd, newfile);
err = newfd;
- security_socket_post_accept(sock, newsock);
-
out_put:
fput_light(sock->file, fput_needed);
out:
* the protocol.
*/
-asmlinkage long sys_sendto(int fd, void __user *buff, size_t len,
- unsigned flags, struct sockaddr __user *addr,
- int addr_len)
+SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
+ unsigned, flags, struct sockaddr __user *, addr,
+ int, addr_len)
{
struct socket *sock;
struct sockaddr_storage address;
* Send a datagram down a socket.
*/
-asmlinkage long sys_send(int fd, void __user *buff, size_t len, unsigned flags)
+SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
+ unsigned, flags)
{
return sys_sendto(fd, buff, len, flags, NULL, 0);
}
* sender address from kernel to user space.
*/
-asmlinkage long sys_recvfrom(int fd, void __user *ubuf, size_t size,
- unsigned flags, struct sockaddr __user *addr,
- int __user *addr_len)
+SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
+ unsigned, flags, struct sockaddr __user *, addr,
+ int __user *, addr_len)
{
struct socket *sock;
struct iovec iov;
* BSD sendmsg interface
*/
-asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
+SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
* BSD recvmsg interface
*/
-asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg,
- unsigned int flags)
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+ unsigned int, flags)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
* it is set by the callees.
*/
-asmlinkage long sys_socketcall(int call, unsigned long __user *args)
+SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
{
unsigned long a[6];
unsigned long a0, a1;
int err;
+ unsigned int len;
if (call < 1 || call > SYS_ACCEPT4)
return -EINVAL;
+ len = nargs[call];
+ if (len > sizeof(a))
+ return -EINVAL;
+
/* copy_from_user should be SMP safe. */
- if (copy_from_user(a, args, nargs[call]))
+ if (copy_from_user(a, args, len))
return -EFAULT;
audit_socketcall(nargs[call] / sizeof(unsigned long), a);
}
int kernel_setsockopt(struct socket *sock, int level, int optname,
- char *optval, int optlen)
+ char *optval, unsigned int optlen)
{
mm_segment_t oldfs = get_fs();
int err;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff