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Extend the description of SIOC[GS]IFCAP.

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yar 2004-06-21 05:13:22 +00:00
parent 21164a78ac
commit 78bc349bfd
1 changed files with 15 additions and 6 deletions
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21
share/man/man4/netintro.4
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@ -256,18 +256,27 @@ Get point to point address for protocol family and interface.
.It Dv SIOCGIFBRDADDR
Get broadcast address for protocol family and interface.
.It Dv SIOCSIFCAP
Set interface capabilities field to the value of the
Attempt to set the enabled capabilities field for the interface
to the value of the
.Va ifr_reqcap
field of the
.Vt ifreq
structure.
.It Dv SIOCGIFCAP
Get interface capabilities field.
Its value will be returned in the
Note that, depending on the particular interface features,
some capabilities may appear hard-coded to enabled, or toggling
a capability may affect the status of other ones.
The supported capabilities field is read-only, and the
.Va ifr_curcap
field of the
field is unused by this call.
.It Dv SIOCGIFCAP
Get the interface capabilities fields.
The values for supported and enabled capabilities will be returned in the
.Va ifr_reqcap
and
.Va ifr_curcap
fields of the
.Vt ifreq
structure.
structure, respectively.
.It Dv SIOCSIFFLAGS
Set interface flags field.
If the interface is marked down,