From 055e1d6d343cb6a39938d6660c3fc66f242c7e7f Mon Sep 17 00:00:00 2001 From: Manuel Messner Date: Tue, 7 Feb 2017 03:14:14 +0100 Subject: payload: automatically kill dependencies for exthdr and tcpopt This patch automatically removes the dependencies for exthdr and tcpopt. # nft add rule filter input tcp option maxseg kind 3 counter. # nft list table filter input Before: # ip protocol 6 tcp option maxseg kind 3 counter After: # tcp option maxseg kind 3 counter Thus allowing to write tests as follows: # tcp option maxseg kind 3;ok Signed-off-by: Manuel Messner Signed-off-by: Florian Westphal --- src/payload.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'src/payload.c') diff --git a/src/payload.c b/src/payload.c index 0207296e..169954ba 100644 --- a/src/payload.c +++ b/src/payload.c @@ -410,6 +410,20 @@ void payload_dependency_kill(struct payload_dep_ctx *ctx, struct expr *expr) __payload_dependency_kill(ctx, expr->payload.base); } +void exthdr_dependency_kill(struct payload_dep_ctx *ctx, struct expr *expr) +{ + switch (expr->exthdr.op) { + case NFT_EXTHDR_OP_TCPOPT: + __payload_dependency_kill(ctx, PROTO_BASE_TRANSPORT_HDR); + break; + case NFT_EXTHDR_OP_IPV6: + __payload_dependency_kill(ctx, PROTO_BASE_NETWORK_HDR); + break; + default: + break; + } +} + /** * payload_expr_complete - fill in type information of a raw payload expr * -- cgit v1.2.3