diff --git a/configure.ac b/configure.ac
index 718ab1c..313a015 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,5 +27,5 @@ regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
 	-Wformat=2 -pipe"
 AC_SUBST([regular_CPPFLAGS])
 AC_SUBST([regular_CFLAGS])
-AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile examples/Makefile examples/genl/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg])
+AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile include/linux/netfilter/Makefile examples/Makefile examples/genl/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg])
 AC_OUTPUT
diff --git a/include/libmnl/libmnl.h b/include/libmnl/libmnl.h
index a647fd9..223709c 100644
--- a/include/libmnl/libmnl.h
+++ b/include/libmnl/libmnl.h
@@ -1,14 +1,9 @@
 #ifndef _LIBMNL_H_
 #define _LIBMNL_H_
 
-#ifdef __cplusplus
-#	include <cstdio>
-#	include <cstdint>
-#else
-#	include <stdbool.h> /* not in C++ */
-#	include <stdio.h>
-#	include <stdint.h>
-#endif
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <sys/socket.h> /* for sa_family_t */
 #include <linux/netlink.h>
diff --git a/include/linux/Makefile.am b/include/linux/Makefile.am
index 2d02887..08c600b 100644
--- a/include/linux/Makefile.am
+++ b/include/linux/Makefile.am
@@ -1 +1,2 @@
-noinst_HEADERS = netlink.h
+SUBDIRS = netfilter
+noinst_HEADERS = netlink.h socket.h
diff --git a/include/linux/netfilter/Makefile.am b/include/linux/netfilter/Makefile.am
new file mode 100644
index 0000000..64a975e
--- /dev/null
+++ b/include/linux/netfilter/Makefile.am
@@ -0,0 +1 @@
+noinst_HEADERS = nfnetlink_conntrack.h
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
new file mode 100644
index 0000000..08fabc6
--- /dev/null
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -0,0 +1,252 @@
+#ifndef _IPCONNTRACK_NETLINK_H
+#define _IPCONNTRACK_NETLINK_H
+#include <linux/netfilter/nfnetlink.h>
+
+enum cntl_msg_types {
+	IPCTNL_MSG_CT_NEW,
+	IPCTNL_MSG_CT_GET,
+	IPCTNL_MSG_CT_DELETE,
+	IPCTNL_MSG_CT_GET_CTRZERO,
+	IPCTNL_MSG_CT_GET_STATS_CPU,
+	IPCTNL_MSG_CT_GET_STATS,
+	IPCTNL_MSG_CT_GET_DYING,
+	IPCTNL_MSG_CT_GET_UNCONFIRMED,
+
+	IPCTNL_MSG_MAX
+};
+
+enum ctnl_exp_msg_types {
+	IPCTNL_MSG_EXP_NEW,
+	IPCTNL_MSG_EXP_GET,
+	IPCTNL_MSG_EXP_DELETE,
+	IPCTNL_MSG_EXP_GET_STATS_CPU,
+
+	IPCTNL_MSG_EXP_MAX
+};
+
+
+enum ctattr_type {
+	CTA_UNSPEC,
+	CTA_TUPLE_ORIG,
+	CTA_TUPLE_REPLY,
+	CTA_STATUS,
+	CTA_PROTOINFO,
+	CTA_HELP,
+	CTA_NAT_SRC,
+#define CTA_NAT	CTA_NAT_SRC	/* backwards compatibility */
+	CTA_TIMEOUT,
+	CTA_MARK,
+	CTA_COUNTERS_ORIG,
+	CTA_COUNTERS_REPLY,
+	CTA_USE,
+	CTA_ID,
+	CTA_NAT_DST,
+	CTA_TUPLE_MASTER,
+	CTA_NAT_SEQ_ADJ_ORIG,
+	CTA_NAT_SEQ_ADJ_REPLY,
+	CTA_SECMARK,		/* obsolete */
+	CTA_ZONE,
+	CTA_SECCTX,
+	CTA_TIMESTAMP,
+	CTA_MARK_MASK,
+	CTA_LABELS,
+	CTA_LABELS_MASK,
+	__CTA_MAX
+};
+#define CTA_MAX (__CTA_MAX - 1)
+
+enum ctattr_tuple {
+	CTA_TUPLE_UNSPEC,
+	CTA_TUPLE_IP,
+	CTA_TUPLE_PROTO,
+	__CTA_TUPLE_MAX
+};
+#define CTA_TUPLE_MAX (__CTA_TUPLE_MAX - 1)
+
+enum ctattr_ip {
+	CTA_IP_UNSPEC,
+	CTA_IP_V4_SRC,
+	CTA_IP_V4_DST,
+	CTA_IP_V6_SRC,
+	CTA_IP_V6_DST,
+	__CTA_IP_MAX
+};
+#define CTA_IP_MAX (__CTA_IP_MAX - 1)
+
+enum ctattr_l4proto {
+	CTA_PROTO_UNSPEC,
+	CTA_PROTO_NUM,
+	CTA_PROTO_SRC_PORT,
+	CTA_PROTO_DST_PORT,
+	CTA_PROTO_ICMP_ID,
+	CTA_PROTO_ICMP_TYPE,
+	CTA_PROTO_ICMP_CODE,
+	CTA_PROTO_ICMPV6_ID,
+	CTA_PROTO_ICMPV6_TYPE,
+	CTA_PROTO_ICMPV6_CODE,
+	__CTA_PROTO_MAX
+};
+#define CTA_PROTO_MAX (__CTA_PROTO_MAX - 1)
+
+enum ctattr_protoinfo {
+	CTA_PROTOINFO_UNSPEC,
+	CTA_PROTOINFO_TCP,
+	CTA_PROTOINFO_DCCP,
+	CTA_PROTOINFO_SCTP,
+	__CTA_PROTOINFO_MAX
+};
+#define CTA_PROTOINFO_MAX (__CTA_PROTOINFO_MAX - 1)
+
+enum ctattr_protoinfo_tcp {
+	CTA_PROTOINFO_TCP_UNSPEC,
+	CTA_PROTOINFO_TCP_STATE,
+	CTA_PROTOINFO_TCP_WSCALE_ORIGINAL,
+	CTA_PROTOINFO_TCP_WSCALE_REPLY,
+	CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
+	CTA_PROTOINFO_TCP_FLAGS_REPLY,
+	__CTA_PROTOINFO_TCP_MAX
+};
+#define CTA_PROTOINFO_TCP_MAX (__CTA_PROTOINFO_TCP_MAX - 1)
+
+enum ctattr_protoinfo_dccp {
+	CTA_PROTOINFO_DCCP_UNSPEC,
+	CTA_PROTOINFO_DCCP_STATE,
+	CTA_PROTOINFO_DCCP_ROLE,
+	CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
+	__CTA_PROTOINFO_DCCP_MAX,
+};
+#define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
+
+enum ctattr_protoinfo_sctp {
+	CTA_PROTOINFO_SCTP_UNSPEC,
+	CTA_PROTOINFO_SCTP_STATE,
+	CTA_PROTOINFO_SCTP_VTAG_ORIGINAL,
+	CTA_PROTOINFO_SCTP_VTAG_REPLY,
+	__CTA_PROTOINFO_SCTP_MAX
+};
+#define CTA_PROTOINFO_SCTP_MAX (__CTA_PROTOINFO_SCTP_MAX - 1)
+
+enum ctattr_counters {
+	CTA_COUNTERS_UNSPEC,
+	CTA_COUNTERS_PACKETS,		/* 64bit counters */
+	CTA_COUNTERS_BYTES,		/* 64bit counters */
+	CTA_COUNTERS32_PACKETS,		/* old 32bit counters, unused */
+	CTA_COUNTERS32_BYTES,		/* old 32bit counters, unused */
+	__CTA_COUNTERS_MAX
+};
+#define CTA_COUNTERS_MAX (__CTA_COUNTERS_MAX - 1)
+
+enum ctattr_tstamp {
+	CTA_TIMESTAMP_UNSPEC,
+	CTA_TIMESTAMP_START,
+	CTA_TIMESTAMP_STOP,
+	__CTA_TIMESTAMP_MAX
+};
+#define CTA_TIMESTAMP_MAX (__CTA_TIMESTAMP_MAX - 1)
+
+enum ctattr_nat {
+	CTA_NAT_UNSPEC,
+	CTA_NAT_V4_MINIP,
+#define CTA_NAT_MINIP CTA_NAT_V4_MINIP
+	CTA_NAT_V4_MAXIP,
+#define CTA_NAT_MAXIP CTA_NAT_V4_MAXIP
+	CTA_NAT_PROTO,
+	CTA_NAT_V6_MINIP,
+	CTA_NAT_V6_MAXIP,
+	__CTA_NAT_MAX
+};
+#define CTA_NAT_MAX (__CTA_NAT_MAX - 1)
+
+enum ctattr_protonat {
+	CTA_PROTONAT_UNSPEC,
+	CTA_PROTONAT_PORT_MIN,
+	CTA_PROTONAT_PORT_MAX,
+	__CTA_PROTONAT_MAX
+};
+#define CTA_PROTONAT_MAX (__CTA_PROTONAT_MAX - 1)
+
+enum ctattr_natseq {
+	CTA_NAT_SEQ_UNSPEC,
+	CTA_NAT_SEQ_CORRECTION_POS,
+	CTA_NAT_SEQ_OFFSET_BEFORE,
+	CTA_NAT_SEQ_OFFSET_AFTER,
+	__CTA_NAT_SEQ_MAX
+};
+#define CTA_NAT_SEQ_MAX (__CTA_NAT_SEQ_MAX - 1)
+
+enum ctattr_expect {
+	CTA_EXPECT_UNSPEC,
+	CTA_EXPECT_MASTER,
+	CTA_EXPECT_TUPLE,
+	CTA_EXPECT_MASK,
+	CTA_EXPECT_TIMEOUT,
+	CTA_EXPECT_ID,
+	CTA_EXPECT_HELP_NAME,
+	CTA_EXPECT_ZONE,
+	CTA_EXPECT_FLAGS,
+	CTA_EXPECT_CLASS,
+	CTA_EXPECT_NAT,
+	CTA_EXPECT_FN,
+	__CTA_EXPECT_MAX
+};
+#define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1)
+
+enum ctattr_expect_nat {
+	CTA_EXPECT_NAT_UNSPEC,
+	CTA_EXPECT_NAT_DIR,
+	CTA_EXPECT_NAT_TUPLE,
+	__CTA_EXPECT_NAT_MAX
+};
+#define CTA_EXPECT_NAT_MAX (__CTA_EXPECT_NAT_MAX - 1)
+
+enum ctattr_help {
+	CTA_HELP_UNSPEC,
+	CTA_HELP_NAME,
+	CTA_HELP_INFO,
+	__CTA_HELP_MAX
+};
+#define CTA_HELP_MAX (__CTA_HELP_MAX - 1)
+
+enum ctattr_secctx {
+	CTA_SECCTX_UNSPEC,
+	CTA_SECCTX_NAME,
+	__CTA_SECCTX_MAX
+};
+#define CTA_SECCTX_MAX (__CTA_SECCTX_MAX - 1)
+
+enum ctattr_stats_cpu {
+	CTA_STATS_UNSPEC,
+	CTA_STATS_SEARCHED,
+	CTA_STATS_FOUND,
+	CTA_STATS_NEW,
+	CTA_STATS_INVALID,
+	CTA_STATS_IGNORE,
+	CTA_STATS_DELETE,
+	CTA_STATS_DELETE_LIST,
+	CTA_STATS_INSERT,
+	CTA_STATS_INSERT_FAILED,
+	CTA_STATS_DROP,
+	CTA_STATS_EARLY_DROP,
+	CTA_STATS_ERROR,
+	CTA_STATS_SEARCH_RESTART,
+	__CTA_STATS_MAX,
+};
+#define CTA_STATS_MAX (__CTA_STATS_MAX - 1)
+
+enum ctattr_stats_global {
+	CTA_STATS_GLOBAL_UNSPEC,
+	CTA_STATS_GLOBAL_ENTRIES,
+	__CTA_STATS_GLOBAL_MAX,
+};
+#define CTA_STATS_GLOBAL_MAX (__CTA_STATS_GLOBAL_MAX - 1)
+
+enum ctattr_expect_stats {
+	CTA_STATS_EXP_UNSPEC,
+	CTA_STATS_EXP_NEW,
+	CTA_STATS_EXP_CREATE,
+	CTA_STATS_EXP_DELETE,
+	__CTA_STATS_EXP_MAX,
+};
+#define CTA_STATS_EXP_MAX (__CTA_STATS_EXP_MAX - 1)
+
+#endif /* _IPCONNTRACK_NETLINK_H */
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index f55ed8c..ced0e1a 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -1,14 +1,14 @@
 #ifndef __LINUX_NETLINK_H
 #define __LINUX_NETLINK_H
 
-#include <linux/socket.h> /* for sa_family_t */
+#include <linux/socket.h> /* for __kernel_sa_family_t */
 #include <linux/types.h>
 
 #define NETLINK_ROUTE		0	/* Routing/device hook				*/
 #define NETLINK_UNUSED		1	/* Unused number				*/
 #define NETLINK_USERSOCK	2	/* Reserved for user mode socket protocols 	*/
-#define NETLINK_FIREWALL	3	/* Firewalling hook				*/
-#define NETLINK_INET_DIAG	4	/* INET socket monitoring			*/
+#define NETLINK_FIREWALL	3	/* Unused number, formerly ip_queue		*/
+#define NETLINK_SOCK_DIAG	4	/* socket monitoring				*/
 #define NETLINK_NFLOG		5	/* netfilter/iptables ULOG */
 #define NETLINK_XFRM		6	/* ipsec */
 #define NETLINK_SELINUX		7	/* SELinux event notifications */
@@ -24,11 +24,15 @@
 /* leave room for NETLINK_DM (DM Events) */
 #define NETLINK_SCSITRANSPORT	18	/* SCSI Transports */
 #define NETLINK_ECRYPTFS	19
+#define NETLINK_RDMA		20
+#define NETLINK_CRYPTO		21	/* Crypto layer */
+
+#define NETLINK_INET_DIAG	NETLINK_SOCK_DIAG
 
 #define MAX_LINKS 32		
 
 struct sockaddr_nl {
-	sa_family_t	nl_family;	/* AF_NETLINK	*/
+	__kernel_sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
 	__u32		nl_pid;		/* port ID	*/
        	__u32		nl_groups;	/* multicast groups mask */
@@ -48,6 +52,7 @@ struct nlmsghdr {
 #define NLM_F_MULTI		2	/* Multipart message, terminated by NLMSG_DONE */
 #define NLM_F_ACK		4	/* Reply with ack, with zero or error code */
 #define NLM_F_ECHO		8	/* Echo this request 		*/
+#define NLM_F_DUMP_INTR		16	/* Dump was inconsistent due to sequence change */
 
 /* Modifiers to GET request */
 #define NLM_F_ROOT	0x100	/* specify tree	root	*/
@@ -145,4 +150,4 @@ struct nlattr {
 #define NLA_HDRLEN		((int) NLA_ALIGN(sizeof(struct nlattr)))
 
 
-#endif	/* __LINUX_NETLINK_H */
+#endif /* __LINUX_NETLINK_H */
diff --git a/include/linux/socket.h b/include/linux/socket.h
new file mode 100644
index 0000000..8c1e501
--- /dev/null
+++ b/include/linux/socket.h
@@ -0,0 +1,21 @@
+#ifndef _LINUX_SOCKET_H
+#define _LINUX_SOCKET_H
+
+/*
+ * Desired design of maximum size and alignment (see RFC2553)
+ */
+#define _K_SS_MAXSIZE	128	/* Implementation specific max size */
+#define _K_SS_ALIGNSIZE	(__alignof__ (struct sockaddr *))
+				/* Implementation specific desired alignment */
+
+typedef unsigned short __kernel_sa_family_t;
+
+struct __kernel_sockaddr_storage {
+	__kernel_sa_family_t	ss_family;		/* address family */
+	/* Following field(s) are implementation specific */
+	char		__data[_K_SS_MAXSIZE - sizeof(unsigned short)];
+				/* space to achieve desired size, */
+				/* _SS_MAXSIZE value minus size of ss_family */
+} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */
+
+#endif /* _LINUX_SOCKET_H */
diff --git a/src/attr.c b/src/attr.c
index 1136c50..c3c57e6 100644
--- a/src/attr.c
+++ b/src/attr.c
@@ -200,6 +200,7 @@ static const size_t mnl_attr_data_type_len[MNL_TYPE_MAX] = {
 	[MNL_TYPE_U16]		= sizeof(uint16_t),
 	[MNL_TYPE_U32]		= sizeof(uint32_t),
 	[MNL_TYPE_U64]		= sizeof(uint64_t),
+	[MNL_TYPE_MSECS]	= sizeof(uint64_t),
 };
 
 /**
diff --git a/src/callback.c b/src/callback.c
index 6337acc..f023401 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -65,6 +65,12 @@ __mnl_cb_run(const void *buf, size_t numbytes, unsigned int seq,
 			return -1;
 		}
 
+		/* dump was interrupted */
+		if (nlh->nlmsg_flags & NLM_F_DUMP_INTR) {
+			errno = EINTR;
+			return -1;
+		}
+
 		/* netlink data message handling */
 		if (nlh->nlmsg_type >= NLMSG_MIN_TYPE) { 
 			if (cb_data){