json: add flow statement json export + parser

flow statement has no export, its shown as:
".. }, "flow add @ft" ] } }"

With this patch:

".. }, {"flow": {"op": "add", "flowtable": "@ft"}}]}}"

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

1 files changed, 7 insertions, 0 deletions

diff --git a/src/json.c b/src/json.c
index 63b325af..4f800c90 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1122,6 +1122,13 @@ json_t *expr_stmt_json(const struct stmt *stmt, struct output_ctx *octx)
 	return expr_print_json(stmt->expr, octx);
 }
 
+json_t *flow_offload_stmt_json(const struct stmt *stmt, struct output_ctx *octx)
+{
+	return json_pack("{s:{s:s, s:s+}}", "flow",
+			 "op", "add", "flowtable",
+			 "@", stmt->flow.table_name);
+}
+
 json_t *payload_stmt_json(const struct stmt *stmt, struct output_ctx *octx)
 {
 	return json_pack("{s: {s:o, s:o}}", "mangle",