src: add trace infrastructure support

parses trace monitor netlink messages from the kernel and builds
nftnl_trace struct that contains the dissected information.

Provides getters to access these attributes.

Signed-off-by: Florian Westphal <fw@strlen.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/libnftnl.map b/src/libnftnl.map
index a52b54e..2e193b7 100644
--- a/src/libnftnl.map
+++ b/src/libnftnl.map
@@ -498,3 +498,18 @@ global:
 
 local: *;
 };
+
+LIBNFTNL_4.1 {
+	nftnl_trace_alloc;
+	nftnl_trace_free;
+
+	nftnl_trace_is_set;
+
+	nftnl_trace_get_u16;
+	nftnl_trace_get_u32;
+	nftnl_trace_get_u64;
+	nftnl_trace_get_str;
+	nftnl_trace_get_data;
+
+	nftnl_trace_nlmsg_parse;
+} LIBNFTNL_4;