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Document that IFF_MULTICAST should be ORd with IFF_POINTOPOINT or

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IFF_BROADCAST for the TUNSIFMODE ioctl.
This commit is contained in:
Brian Somers 2001-08-25 09:14:55 +00:00
parent 86b2fc4de5
commit 1485129b09
1 changed files with 7 additions and 4 deletions
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11
share/man/man4/tun.4
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@ -206,16 +206,19 @@ The argument should be a pointer to an
its value must be either
.Dv IFF_POINTOPOINT
or
.Dv IFF_BROADCAST .
.Dv IFF_BROADCAST
and should have
.Dv IFF_MULTICAST
OR'd into the value if multicast support is required.
The type of the corresponding
.Dq Li tun Ns Ar N
interface is set to the supplied type.
If the value is anything else, an
If the value is outside the above range, an
.Er EINVAL
error occurs.
error is returned.
The interface must be down at the time; if it is up, an
.Er EBUSY
error occurs.
error is returned.
.It Dv TUNSLMODE
The argument should be a pointer to an
.Vt int ;