tree bebb843cfdedd03db69bcec8981e66503079f1ca
parent 6e7bc478c9a006c701c14476ec9d389a484b4864
author Phil Sutter <phil@nwl.cc> 1484689886 +0100
committer Pablo Neira Ayuso <pablo@netfilter.org> 1486559649 +0100

netfilter: nft_exthdr: Add support for existence check

If NFT_EXTHDR_F_PRESENT is set, exthdr will not copy any header field
data into *dest, but instead set it to 1 if the header is found and 0
otherwise.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>