exthdr: Implement SCTP Chunk matching

Extend exthdr expression to support scanning through SCTP packet chunks
and matching on fixed fields' values.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Florian Westphal <fw@strlen.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/json.c b/src/json.c
index b611c3e0..a3d1008f 100644
--- a/src/json.c
+++ b/src/json.c
@@ -719,6 +719,8 @@ json_t *exthdr_expr_json(const struct expr *expr, struct output_ctx *octx)
 	switch (expr->exthdr.op) {
 	case NFT_EXTHDR_OP_IPV4:
 		return json_pack("{s:o}", "ip option", root);
+	case NFT_EXTHDR_OP_SCTP:
+		return json_pack("{s:o}", "sctp chunk", root);
 	default:
 		return json_pack("{s:o}", "exthdr", root);
 	}