Jeremy Sowden 4a7faaf4ad
netfilter: nft_bitwise: correct uapi header comment. ...
The comment documenting how bitwise expressions work includes a table
which summarizes the mask and xor arguments combined to express the
supported boolean operations. However, the row for OR:
mask xor
0 x
is incorrect.
dreg = (sreg & 0) ^ x
is not equivalent to:
dreg = sreg | x
What the code actually does is:
dreg = (sreg & ~x) ^ x
Update the documentation to match.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net >
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org >
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Jeremy Sowden
4a7faaf4ad