[Bug 841] New: Specifying netmask option when creating ipv6 hash:ip is inconsistent

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=841

           Summary: Specifying netmask option when creating ipv6 hash:ip
                    is inconsistent
           Product: ipset
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P5
         Component: default
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: quentin at armitage.org.uk
   Estimated Hours: 0.0


When creating a hash:ip for ipv6, netmask can be specified before family only
if the netmask <= 31, and fails if netmask >= 32.

While it's clear that the ipset defaults to family ipv4 until told otherwise,
this behaviour is inconsistent from a user perspective.


# ipset create foo hash:ip netmask 32 family ipv6
ipset v6.19: Syntax error: '32' is out of range 1-31
Syntax error: netmask is out of the inclusive range of 1-31

# ipset create foo hash:ip netmask 31 family ipv6
# ipset x foo

# ipset create foo hash:ip family ipv6 netmask 32

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