/* $OpenBSD: if_vlan_var.h,v 1.17 2006/01/05 14:57:24 norby Exp $ */ /* * Copyright 1998 Massachusetts Institute of Technology * * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby * granted, provided that both the above copyright notice and this * permission notice appear in all copies, that both the above * copyright notice and this permission notice appear in all * supporting documentation, and that the name of M.I.T. not be used * in advertising or publicity pertaining to distribution of the * software without specific, written prior permission. M.I.T. makes * no representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied * warranty. * * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.3 1999/08/28 00:48:24 peter Exp $ */ #ifndef _NET_IF_VLAN_VAR_H_ #define _NET_IF_VLAN_VAR_H_ #ifdef _KERNEL #define mc_enm mc_u.mcu_enm struct vlan_mc_entry { LIST_ENTRY(vlan_mc_entry) mc_entries; union { struct ether_multi *mcu_enm; } mc_u; struct sockaddr_storage mc_addr; }; struct ifvlan { struct arpcom ifv_ac; /* make this an interface */ struct ifnet *ifv_p; /* parent interface of this vlan */ struct ifv_linkmib { int ifvm_parent; u_int16_t ifvm_proto; /* encapsulation ethertype */ u_int16_t ifvm_tag; /* tag to apply on packets leaving if */ u_int16_t ifvm_prio; /* prio to apply on packet leaving if */ } ifv_mib; LIST_HEAD(__vlan_mchead, vlan_mc_entry) vlan_mc_listhead; LIST_ENTRY(ifvlan) ifv_list; int ifv_flags; void *lh_cookie; }; #define ifv_if ifv_ac.ac_if #define ifv_tag ifv_mib.ifvm_tag #define ifv_prio ifv_mib.ifvm_prio #define IFVF_PROMISC 0x01 #endif /* _KERNEL */ struct ether_vlan_header { u_char evl_dhost[ETHER_ADDR_LEN]; u_char evl_shost[ETHER_ADDR_LEN]; u_int16_t evl_encap_proto; u_int16_t evl_tag; u_int16_t evl_proto; }; #define EVL_VLID_MASK 0x0FFF #define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK) #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7) #define EVL_ENCAPLEN 4 /* length in octets of encapsulation */ #define EVL_PRIO_MAX 7 #define EVL_PRIO_BITS 13 /* sysctl(3) tags, for compatibility purposes */ #define VLANCTL_PROTO 1 #define VLANCTL_MAX 2 /* * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. */ struct vlanreq { char vlr_parent[IFNAMSIZ]; u_short vlr_tag; }; #define SIOCSETVLAN SIOCSIFGENERIC #define SIOCGETVLAN SIOCGIFGENERIC #ifdef _KERNEL extern int vlan_input(struct ether_header *eh, struct mbuf *m); #endif /* _KERNEL */ #endif /* _NET_IF_VLAN_VAR_H_ */