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Diffstat (limited to 'kernel/include/net/inet_sock.h')
-rw-r--r--kernel/include/net/inet_sock.h35
1 files changed, 34 insertions, 1 deletions
diff --git a/kernel/include/net/inet_sock.h b/kernel/include/net/inet_sock.h
index b6c3737da..625bdf95d 100644
--- a/kernel/include/net/inet_sock.h
+++ b/kernel/include/net/inet_sock.h
@@ -187,6 +187,7 @@ struct inet_sock {
transparent:1,
mc_all:1,
nodefrag:1;
+ __u8 bind_address_no_port:1;
__u8 rcv_tos;
__u8 convert_csum;
int uc_index;
@@ -209,6 +210,37 @@ struct inet_sock {
#define IP_CMSG_ORIGDSTADDR BIT(6)
#define IP_CMSG_CHECKSUM BIT(7)
+/**
+ * sk_to_full_sk - Access to a full socket
+ * @sk: pointer to a socket
+ *
+ * SYNACK messages might be attached to request sockets.
+ * Some places want to reach the listener in this case.
+ */
+static inline struct sock *sk_to_full_sk(struct sock *sk)
+{
+#ifdef CONFIG_INET
+ if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
+ sk = inet_reqsk(sk)->rsk_listener;
+#endif
+ return sk;
+}
+
+/* sk_to_full_sk() variant with a const argument */
+static inline const struct sock *sk_const_to_full_sk(const struct sock *sk)
+{
+#ifdef CONFIG_INET
+ if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
+ sk = ((const struct request_sock *)sk)->rsk_listener;
+#endif
+ return sk;
+}
+
+static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+{
+ return sk_to_full_sk(skb->sk);
+}
+
static inline struct inet_sock *inet_sk(const struct sock *sk)
{
return (struct inet_sock *)sk;
@@ -244,7 +276,8 @@ static inline unsigned int __inet_ehashfn(const __be32 laddr,
}
struct request_sock *inet_reqsk_alloc(const struct request_sock_ops *ops,
- struct sock *sk_listener);
+ struct sock *sk_listener,
+ bool attach_listener);
static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
{