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664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/*
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* Copyright 1998 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET_IF_VLAN_VAR_H_
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#define _NET_IF_VLAN_VAR_H_ 1
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#ifdef _KERNEL
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struct vlan_mc_entry {
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struct ether_addr mc_addr;
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SLIST_ENTRY(vlan_mc_entry) mc_entries;
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};
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struct ifvlan {
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struct arpcom ifv_ac; /* make this an interface */
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struct ifnet *ifv_p; /* parent inteface of this vlan */
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struct ifv_linkmib {
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int ifvm_parent;
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u_int16_t ifvm_proto; /* encapsulation ethertype */
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u_int16_t ifvm_tag; /* tag to apply on packets leaving if */
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} ifv_mib;
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SLIST_HEAD(__vlan_mchead, vlan_mc_entry) vlan_mc_listhead;
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};
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#define ifv_if ifv_ac.ac_if
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#define ifv_tag ifv_mib.ifvm_tag
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#endif /* _KERNEL */
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struct ether_vlan_header {
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u_char evl_dhost[ETHER_ADDR_LEN];
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u_char evl_shost[ETHER_ADDR_LEN];
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u_int16_t evl_encap_proto;
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u_int16_t evl_tag;
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u_int16_t evl_proto;
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};
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#define EVL_VLANOFTAG(tag) ((tag) & 4095)
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#define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
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#define EVL_ENCAPLEN 4 /* length in octets of encapsulation */
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/* When these sorts of interfaces get their own identifier... */
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#define IFT_8021_VLAN IFT_PROPVIRTUAL
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/* sysctl(3) tags, for compatibility purposes */
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#define VLANCTL_PROTO 1
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#define VLANCTL_MAX 2
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/*
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* Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
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*/
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struct vlanreq {
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char vlr_parent[IFNAMSIZ];
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u_short vlr_tag;
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};
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#define SIOCSETVLAN SIOCSIFGENERIC
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#define SIOCGETVLAN SIOCGIFGENERIC
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#ifdef _KERNEL
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/* shared with if_ethersubr.c: */
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extern u_int vlan_proto;
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extern int vlan_input(struct ether_header *eh, struct mbuf *m);
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extern int vlan_input_tag(struct ether_header *eh,
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struct mbuf *m, u_int16_t t);
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#endif
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#endif /* _NET_IF_VLAN_VAR_H_ */
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