2 files changed, 56 insertions, 0 deletions
diff --git a/include/libnftnl/Makefile.am b/include/libnftnl/Makefile.am
index a20aaee..84f01b6 100644
--- a/include/libnftnl/Makefile.am
+++ b/include/libnftnl/Makefile.am
@@ -1,5 +1,6 @@
 pkginclude_HEADERS = batch.h		\
 		     table.h		\
+		     trace.h		\
 		     chain.h		\
 		     rule.h		\
 		     expr.h		\
diff --git a/include/libnftnl/trace.h b/include/libnftnl/trace.h
new file mode 100644
index 0000000..674bc16
--- /dev/null
+++ b/include/libnftnl/trace.h
@@ -0,0 +1,55 @@
+#ifndef _LIBNFTNL_TRACE_H_
+#define _LIBNFTNL_TRACE_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum nftnl_trace_attr {
+	NFTNL_TRACE_CHAIN = 0,
+	NFTNL_TRACE_FAMILY,
+	NFTNL_TRACE_ID,
+	NFTNL_TRACE_IIF,
+	NFTNL_TRACE_IIFTYPE,
+	NFTNL_TRACE_JUMP_TARGET,
+	NFTNL_TRACE_OIF,
+	NFTNL_TRACE_OIFTYPE,
+	NFTNL_TRACE_MARK,
+	NFTNL_TRACE_LL_HEADER,
+	NFTNL_TRACE_NETWORK_HEADER,
+	NFTNL_TRACE_TRANSPORT_HEADER,
+	NFTNL_TRACE_TABLE,
+	NFTNL_TRACE_TYPE,
+	NFTNL_TRACE_RULE_HANDLE,
+	NFTNL_TRACE_VERDICT,
+	NFTNL_TRACE_NFPROTO,
+	NFTNL_TRACE_POLICY,
+	__NFTNL_TRACE_MAX,
+};
+#define NFTNL_TRACE_MAX (__NFTNL_TRACE_MAX - 1)
+
+struct nftnl_trace;
+
+struct nftnl_trace *nftnl_trace_alloc(void);
+void nftnl_trace_free(struct nftnl_trace *trace);
+
+bool nftnl_trace_is_set(const struct nftnl_trace *trace, uint16_t type);
+
+const void *nftnl_trace_get_data(const struct nftnl_trace *trace,
+				 uint16_t type, uint32_t *data_len);
+
+uint16_t nftnl_trace_get_u16(const struct nftnl_trace *trace, uint16_t type);
+uint32_t nftnl_trace_get_u32(const struct nftnl_trace *trace, uint16_t type);
+uint64_t nftnl_trace_get_u64(const struct nftnl_trace *trace, uint16_t type);
+const char *nftnl_trace_get_str(const struct nftnl_trace *trace, uint16_t type);
+
+int nftnl_trace_nlmsg_parse(const struct nlmsghdr *nlh, struct nftnl_trace *t);
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* _LIBNFTNL_TRACE_H_ */