From 68de70f2b3fc64b7016da48530946165c9986780 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 14 Dec 2016 01:12:43 +0100 Subject: netlink_linearize: fix IPv6 layer 4 checksum mangling In IPv6 there is no checksum field. We always have to trigger layer 4 checksum mangling if any of the layer 3 pseudoheader fields are updated. Signed-off-by: Pablo Neira Ayuso --- src/netlink_linearize.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c index 4a0001a4..0915038f 100644 --- a/src/netlink_linearize.c +++ b/src/netlink_linearize.c @@ -806,12 +806,11 @@ static void netlink_gen_payload_stmt(struct netlink_linearize_ctx *ctx, NFT_PAYLOAD_CSUM_INET); nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_CSUM_OFFSET, csum_off / BITS_PER_BYTE); - - if (expr->payload.base == PROTO_BASE_NETWORK_HDR && - payload_needs_l4csum_update_pseudohdr(expr, desc)) - nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_FLAGS, - NFT_PAYLOAD_L4CSUM_PSEUDOHDR); } + if (expr->payload.base == PROTO_BASE_NETWORK_HDR && + payload_needs_l4csum_update_pseudohdr(expr, desc)) + nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_FLAGS, + NFT_PAYLOAD_L4CSUM_PSEUDOHDR); nftnl_rule_add_expr(ctx->nlr, nle); } -- cgit v1.2.3