Differential D26436 Diff 77185 sbin/ifconfig/ifconfig.8

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sbin/ifconfig/ifconfig.8

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	reception of extended frames, tag processing in hardware,			reception of extended frames, tag processing in hardware,
	frame filtering in hardware, checksum offloading, or TSO on VLAN,			frame filtering in hardware, checksum offloading, or TSO on VLAN,
	respectively.			respectively.
	Note that this must be configured on a physical interface associated with			Note that this must be configured on a physical interface associated with
	.Xr vlan 4 ,			.Xr vlan 4 ,
	not on a			not on a
	.Xr vlan 4			.Xr vlan 4
	interface itself.			interface itself.
	.It Fl vlanmtu , vlanhwtag, vlanhwfilter, vlanhwtso			.It Fl vlanmtu , vlanhwtag , vlanhwfilter , vlanhwtso
	If the driver offers user-configurable VLAN support, disable			If the driver offers user-configurable VLAN support, disable
	reception of extended frames, tag processing in hardware,			reception of extended frames, tag processing in hardware,
	frame filtering in hardware, or TSO on VLAN,			frame filtering in hardware, or TSO on VLAN,
	respectively.			respectively.
	.It Cm vxlanhwcsum , vxlanhwtso			.It Cm vxlanhwcsum , vxlanhwtso
	If the driver offers user-configurable VXLAN support, enable inner checksum			If the driver offers user-configurable VXLAN support, enable inner checksum
	offloading (receive and transmit) or TSO on VXLAN, respectively.			offloading (receive and transmit) or TSO on VXLAN, respectively.
	Note that this must be configured on a physical interface associated with			Note that this must be configured on a physical interface associated with
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	acknowledged that the associated state has been inserted.			acknowledged that the associated state has been inserted.
	.It Fl defer			.It Fl defer
	Do not defer the first packet in a state.			Do not defer the first packet in a state.
	This is the default.			This is the default.
	.El			.El
	.Pp			.Pp
	The following parameters are specific to			The following parameters are specific to
	.Xr vlan 4			.Xr vlan 4
				and
				.Xr svlan 4
	interfaces:			interfaces:
	.Bl -tag -width indent			.Bl -tag -width indent
	.It Cm vlan Ar vlan_tag			.It Cm vlan Ar vlan_tag
	Set the VLAN tag value to			Set the VLAN tag value to
	.Ar vlan_tag .			.Ar vlan_tag .
	This value is a 12-bit VLAN Identifier (VID) which is used to create an 802.1Q			This value is a 12-bit VLAN Identifier (VID) which is used to create an
	VLAN header for packets sent from the			802.1Q or 802.1ad VLAN header for packets sent from the
	.Xr vlan 4			.Xr vlan 4
				or
				.Xr svlan 4
	interface.			interface.
	Note that			Note that
	.Cm vlan			.Cm vlan
	and			and
	.Cm vlandev			.Cm vlandev
	must both be set at the same time.			must both be set at the same time.
	.It Cm vlanpcp Ar priority_code_point			.It Cm vlanpcp Ar priority_code_point
	Priority code point			Priority code point
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	.Pq Dv Internetwork control ,			.Pq Dv Internetwork control ,
	.Cm 7			.Cm 7
	.Pq Dv Network control (highest) .			.Pq Dv Network control (highest) .
	.It Cm vlandev Ar iface			.It Cm vlandev Ar iface
	Associate the physical interface			Associate the physical interface
	.Ar iface			.Ar iface
	with a			with a
	.Xr vlan 4			.Xr vlan 4
				or
				.Xr svlan 4
	interface.			interface.
	Packets transmitted through the			.Pp
				Packets transmitted through a
	.Xr vlan 4			.Xr vlan 4
	interface will be			interface will be
	diverted to the specified physical interface			diverted to the specified physical interface
	.Ar iface			.Ar iface
	with 802.1Q VLAN encapsulation.			with 802.1Q VLAN encapsulation.
				Packets transmitted through a
				.Xr svlan 4
				interface will be
				diverted to the specified physical interface
				.Ar iface
				with 802.1ad VLAN encapsulation.
				.Pp
	Packets with 802.1Q encapsulation received			Packets with 802.1Q encapsulation received
	by the parent interface with the correct VLAN Identifier will be diverted to			by the parent interface with the correct VLAN Identifier will be diverted to
	the associated			the associated
	.Xr vlan 4			.Xr vlan 4
	pseudo-interface.			pseudo-interface.
	The			Packets with 802.1ad encapsulation received
				by the parent interface with the correct VLAN Identifier will be diverted to
				gbeUnsubmitted Not Done Inline Actions lowercase gbe: lowercase
				freebsd_oprs.euAuthorUnsubmitted Done Inline Actions Oops. I missed that one, thanks. freebsd_oprs.eu: Oops. I missed that one, thanks.
				the associated
				.Xr svlan 4
				pseudo-interface.
				.Pp
	.Xr vlan 4			.Xr vlan 4
	interface is assigned a			and
				.Xr svlan 4
				interfaces are assigned a
	copy of the parent interface's flags and the parent's Ethernet address.			copy of the parent interface's flags and the parent's Ethernet address.
	The			The
	.Cm vlandev			.Cm vlandev
	and			and
	.Cm vlan			.Cm vlan
	must both be set at the same time.			must both be set at the same time.
	If the			If a
	.Xr vlan 4			.Xr vlan 4
				or
				.Xr svlan 4
	interface already has			interface already has
	a physical interface associated with it, this command will fail.			a physical interface associated with it, this command will fail.
	To			To
	change the association to another physical interface, the existing			change the association to another physical interface, the existing
	association must be cleared first.			association must be cleared first.
	.Pp			.Pp
	Note: if the hardware tagging capability			Note: if the hardware tagging capability
	is set on the parent interface, the			is set on the parent interface, the
	.Xr vlan 4			.Xr vlan 4
	pseudo			pseudo
	interface's behavior changes:			interface's behavior changes:
	the			the
	.Xr vlan 4			.Xr vlan 4
	interface recognizes that the			interface recognizes that the
	parent interface supports insertion and extraction of VLAN tags on its			parent interface supports insertion and extraction of VLAN tags on its
	own (usually in firmware) and that it should pass packets to and from			own (usually in firmware) and that it should pass packets to and from
	the parent unaltered.			the parent unaltered.
	.It Fl vlandev Op Ar iface			.It Fl vlandev Op Ar iface
	If the driver is a			If the driver is a
	.Xr vlan 4			.Xr vlan 4
				or
				.Xr svlan 4
	pseudo device, disassociate the parent interface from it.			pseudo device, disassociate the parent interface from it.
	This breaks the link between the			This breaks the link between the
	.Xr vlan 4			.Xr vlan 4
				or
				.Xr svlan 4
	interface and its parent,			interface and its parent,
	clears its VLAN Identifier, flags and its link address and shuts the interface			clears its VLAN Identifier, flags and its link address and shuts the interface
	down.			down.
	The			The
	.Ar iface			.Ar iface
	argument is useless and hence deprecated.			argument is useless and hence deprecated.
	.El			.El
	.Pp			.Pp
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