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b0ccf4f53d
Hitherto, these operations have been converted in user space to mask-and-xor operations on one register and two immediate values, and it is the latter which have been evaluated by the kernel. We add support for evaluating these operations directly in kernel space on one register and either an immediate value or a second register. Pablo made a few changes to the original patch: - EINVAL if NFTA_BITWISE_SREG2 is used with fast version. - Allow _AND,_OR,_XOR with _DATA != sizeof(u32) - Dump _SREG2 or _DATA with _AND,_OR,_XOR Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>