Export the contents of the syncache to netstat.

Approved by: re (kensmith)
MFC after: 2 weeks

1 files changed, 49 insertions, 0 deletions

diff --git a/sys/netinet/tcp_syncache.h b/sys/netinet/tcp_syncache.h
new file mode 100644
index 0000000..b58fdc5
--- /dev/null
+++ b/sys/netinet/tcp_syncache.h
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993, 1994, 1995
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)tcp_var.h	8.4 (Berkeley) 5/24/95
+ * $FreeBSD$
+ */
+
+#ifndef _NETINET_TCP_SYNCACHE_H_
+#define _NETINET_TCP_SYNCACHE_H_
+#ifdef _KERNEL
+
+void	 syncache_init(void);
+void	 syncache_unreach(struct in_conninfo *, struct tcphdr *);
+int	 syncache_expand(struct in_conninfo *, struct tcpopt *,
+	     struct tcphdr *, struct socket **, struct mbuf *);
+void	 syncache_add(struct in_conninfo *, struct tcpopt *,
+	     struct tcphdr *, struct inpcb *, struct socket **, struct mbuf *);
+void	 syncache_chkrst(struct in_conninfo *, struct tcphdr *);
+void	 syncache_badack(struct in_conninfo *);
+int	 syncache_pcbcount(void);
+int	 syncache_pcblist(struct sysctl_req *req, int max_pcbs, int *pcbs_exported);
+
+#endif /* _KERNEL */
+#endif /* _NETINET_TCP_SYNCACHE_H_ */