From 10e0a903735f64c4b645445296664387d1524218 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Wed, 2 Mar 2016 13:56:43 +0100 Subject: exthdr: generate dependencies for inet/bridge/netdev family Should treat this as if user would have asked to match ipv6 header field. Signed-off-by: Florian Westphal Acked-by: Pablo Neira Ayuso --- src/payload.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/payload.c') diff --git a/src/payload.c b/src/payload.c index 8f67b6ec..7e380617 100644 --- a/src/payload.c +++ b/src/payload.c @@ -302,6 +302,21 @@ int payload_gen_dependency(struct eval_ctx *ctx, const struct expr *expr, return payload_add_dependency(ctx, desc, expr->payload.desc, expr, res); } +int exthdr_gen_dependency(struct eval_ctx *ctx, const struct expr *expr, + struct stmt **res) +{ + const struct proto_desc *desc; + + desc = ctx->pctx.protocol[PROTO_BASE_LL_HDR].desc; + if (desc == NULL) + return expr_error(ctx->msgs, expr, + "Cannot generate dependency: " + "no %s protocol specified", + proto_base_names[PROTO_BASE_LL_HDR]); + + return payload_add_dependency(ctx, desc, &proto_ip6, expr, res); +} + /** * payload_expr_complete - fill in type information of a raw payload expr * -- cgit v1.2.3