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- if the interface was auto-created by opening a /dev/tun* device it will
auto-destroy on close. This is comparable to ifconfig tun0 destroy and
will remove all routes and addresses associated with the interface.
- if the interface was created by ifconfig(8) or hostname.if(5) the interface
is persistent -- it is just marked as not running. Especially routes are no
longer removed when the interface is closed. This is useful for static
setups like the server side of a ssh vpn or static qemu session.
This behaviour is more logic then the half done cleanup that is currently done.
OK mpf@
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the link0 flag via ifconfig(8). OK markus@, canacar@ also tested by ish@
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the O versions since these are debugging only and should not affect normal functionality; deraadt@ ok
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Approved by original author. Julian.Onions@nexor.co.uk
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same naming style.
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of up to this size rather than restricting them based
on our MTU.
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note to the bottom of tun.4 to indicate that this is a binary
incompatibility with older versions, and describe all 3 revisions this
has gone through. everyone -- recompile your code that uses tun.
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add bcast support, do if_flags setable, minor cleanup.
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bpf fixes.
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