Since shift operations require host byte-order, we need to be able to
convert the result of the shift back to network byte-order, in a rule
like:
nft add rule ip t c tcp dport set tcp dport lshift 1
Signed-off-by: Jeremy Sowden <jeremy@xxxxxxxxxx>
---
src/evaluate.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/evaluate.c b/src/evaluate.c
index a169e41bd833..9b1a04f26f44 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -2225,6 +2225,11 @@ static int stmt_evaluate_payload(struct eval_ctx *ctx, struct stmt *stmt)
payload->byteorder, &stmt->payload.val) < 0)
return -1;
+ if (!expr_is_constant(stmt->payload.val) &&
+ byteorder_conversion(ctx, &stmt->payload.val,
+ payload->byteorder) < 0)
+ return -1;
+
need_csum = stmt_evaluate_payload_need_csum(payload);
if (!payload_needs_adjustment(payload)) {
--
2.25.1
