1 files changed, 49 insertions, 0 deletions

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index ae20281d8deb..9a01bb81f8bf 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -648,3 +648,52 @@ void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
 }
 
 EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);
+
+int inet_csk_ctl_sock_create(struct socket **sock, unsigned short family,
+                             unsigned short type, unsigned char protocol)
+{
+        int rc = sock_create_kern(family, type, protocol, sock);
+
+        if (rc == 0) {
+                (*sock)->sk->sk_allocation = GFP_ATOMIC;
+                inet_sk((*sock)->sk)->uc_ttl = -1;
+                /*
+                 * Unhash it so that IP input processing does not even see it,
+                 * we do not wish this socket to see incoming packets.
+                 */
+                (*sock)->sk->sk_prot->unhash((*sock)->sk);
+        }
+        return rc;
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_ctl_sock_create);
+
+#ifdef CONFIG_COMPAT
+int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
+                               char __user *optval, int __user *optlen)
+{
+        const struct inet_connection_sock *icsk = inet_csk(sk);
+
+        if (icsk->icsk_af_ops->compat_getsockopt != NULL)
+                return icsk->icsk_af_ops->compat_getsockopt(sk, level, optname,
+                                                            optval, optlen);
+        return icsk->icsk_af_ops->getsockopt(sk, level, optname,
+                                             optval, optlen);
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_compat_getsockopt);
+
+int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
+                               char __user *optval, int optlen)
+{
+        const struct inet_connection_sock *icsk = inet_csk(sk);
+
+        if (icsk->icsk_af_ops->compat_setsockopt != NULL)
+                return icsk->icsk_af_ops->compat_setsockopt(sk, level, optname,
+                                                            optval, optlen);
+        return icsk->icsk_af_ops->setsockopt(sk, level, optname,
+                                             optval, optlen);
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_compat_setsockopt);
+#endif