Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / timewait_sock.h

diff --git a/kernel/include/net/timewait_sock.h b/kernel/include/net/timewait_sock.h
new file mode 100644 (file)
index 0000000..68f0eca
--- /dev/null
+++ b/kernel/include/net/timewait_sock.h
@@ -0,0 +1,43 @@
+/*
+ * NET         Generic infrastructure for Network protocols.
+ *
+ * Authors:    Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *
+ *             This program is free software; you can redistribute it and/or
+ *             modify it under the terms of the GNU General Public License
+ *             as published by the Free Software Foundation; either version
+ *             2 of the License, or (at your option) any later version.
+ */
+#ifndef _TIMEWAIT_SOCK_H
+#define _TIMEWAIT_SOCK_H
+
+#include <linux/slab.h>
+#include <linux/bug.h>
+#include <net/sock.h>
+
+struct timewait_sock_ops {
+       struct kmem_cache       *twsk_slab;
+       char            *twsk_slab_name;
+       unsigned int    twsk_obj_size;
+       int             (*twsk_unique)(struct sock *sk,
+                                      struct sock *sktw, void *twp);
+       void            (*twsk_destructor)(struct sock *sk);
+};
+
+static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
+{
+       if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
+               return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
+       return 0;
+}
+
+static inline void twsk_destructor(struct sock *sk)
+{
+       BUG_ON(sk == NULL);
+       BUG_ON(sk->sk_prot == NULL);
+       BUG_ON(sk->sk_prot->twsk_prot == NULL);
+       if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
+               sk->sk_prot->twsk_prot->twsk_destructor(sk);
+}
+
+#endif /* _TIMEWAIT_SOCK_H */