netfilter: ipset: netnet,netportnet: Fix value range support for IPv4
Ranges of values are broken with hash:net,net and hash:net,port,net.
hash:net,net
============
# ipset create test-nn hash:net,net
# ipset add test-nn 10.0.10.1-10.0.10.127,10.0.0.0/8
# ipset list test-nn
Name: test-nn
Type: hash:net,net
Revision: 0
Header: family inet hashsize 1024 maxelem 65536
Size in memory: 16960
References: 0
Members:
10.0.10.1,10.0.0.0/8
# ipset test test-nn 10.0.10.65,10.0.0.1
10.0.10.65,10.0.0.1 is NOT in set test-nn.
# ipset test test-nn 10.0.10.1,10.0.0.1
10.0.10.1,10.0.0.1 is in set test-nn.
hash:net,port,net
=================
# ipset create test-npn hash:net,port,net
# ipset add test-npn 10.0.10.1-10.0.10.127,tcp:80,10.0.0.0/8
# ipset list test-npn
Name: test-npn
Type: hash:net,port,net
Revision: 0
Header: family inet hashsize 1024 maxelem 65536
Size in memory: 17344
References: 0
Members:
10.0.10.8/29,tcp:80,10.0.0.0
10.0.10.16/28,tcp:80,10.0.0.0
10.0.10.2/31,tcp:80,10.0.0.0
10.0.10.64/26,tcp:80,10.0.0.0
10.0.10.32/27,tcp:80,10.0.0.0
10.0.10.4/30,tcp:80,10.0.0.0
10.0.10.1,tcp:80,10.0.0.0
# ipset list test-npn
# ipset test test-npn 10.0.10.126,tcp:80,10.0.0.2
10.0.10.126,tcp:80,10.0.0.2 is NOT in set test-npn.
# ipset test test-npn 10.0.10.126,tcp:80,10.0.0.0
10.0.10.126,tcp:80,10.0.0.0 is in set test-npn.
# ipset create test-npn hash:net,port,net
# ipset add test-npn 10.0.10.0/24,tcp:80-81,10.0.0.0/8
# ipset list test-npn
Name: test-npn
Type: hash:net,port,net
Revision: 0
Header: family inet hashsize 1024 maxelem 65536
Size in memory: 17024
References: 0
Members:
10.0.10.0,tcp:80,10.0.0.0
10.0.10.0,tcp:81,10.0.0.0
# ipset test test-npn 10.0.10.126,tcp:80,10.0.0.0
10.0.10.126,tcp:80,10.0.0.0 is NOT in set test-npn.
# ipset test test-npn 10.0.10.0,tcp:80,10.0.0.0
10.0.10.0,tcp:80,10.0.0.0 is in set test-npn.
Correctly setup from..to variables where no IPSET_ATTR_IP_TO{,2}
attribute is given, so in range processing loop we construct proper
cidr value. Check whenever we have no ranges and can short cut in
hash:net,net properly. Use unlikely() where appropriate, to comply
with other modules.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ru>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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