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authorPablo Neira <pablo@netfilter.org>2016-11-24 12:12:33 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2016-12-04 21:24:48 +0100
commit1d398465831066c5e98fb2a58d7aa0547595de33 (patch)
tree3a0a11b66e7bd45d6d3a3bdab93205f09a156085 /include/proto.h
parent8c01e1d6ec92720a7cd5c134a9fcea3953772e92 (diff)
src: trigger layer 4 checksum when pseudoheader fields are modified
This patch sets the NFT_PAYLOAD_L4CSUM_PSEUDOHDR when any of the pseudoheader fields are modified. This implicitly enables stateless NAT, that can be useful under some circuntances. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/proto.h')
-rw-r--r--include/proto.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/proto.h b/include/proto.h
index 4fa54a74..01188ab6 100644
--- a/include/proto.h
+++ b/include/proto.h
@@ -73,6 +73,7 @@ struct proto_hdr_template {
* @length: total size of the header, in bits
* @protocols: link to upper layer protocol descriptions indexed by protocol value
* @templates: header templates
+ * @pseudohdr: header fields that are part of upper layer checksum pseudoheader
*/
struct proto_desc {
const char *name;
@@ -89,6 +90,7 @@ struct proto_desc {
uint8_t order[PROTO_HDRS_MAX];
uint32_t filter;
} format;
+ unsigned int pseudohdr[PROTO_HDRS_MAX];
};