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-rw-r--r--include/net/timewait_sock.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h
new file mode 100644
index 0000000000..74d2b463cc
--- /dev/null
+++ b/include/net/timewait_sock.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * NET Generic infrastructure for Network protocols.
+ *
+ * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ */
+#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)
+{
+ if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
+ sk->sk_prot->twsk_prot->twsk_destructor(sk);
+}
+
+#endif /* _TIMEWAIT_SOCK_H */