1 /* $OpenBSD: if_vlan_var.h,v 1.36 2016/04/19 23:31:32 dlg Exp $ */ 2 3 /* 4 * Copyright 1998 Massachusetts Institute of Technology 5 * 6 * Permission to use, copy, modify, and distribute this software and 7 * its documentation for any purpose and without fee is hereby 8 * granted, provided that both the above copyright notice and this 9 * permission notice appear in all copies, that both the above 10 * copyright notice and this permission notice appear in all 11 * supporting documentation, and that the name of M.I.T. not be used 12 * in advertising or publicity pertaining to distribution of the 13 * software without specific, written prior permission. M.I.T. makes 14 * no representations about the suitability of this software for any 15 * purpose. It is provided "as is" without express or implied 16 * warranty. 17 * 18 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 19 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 22 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 25 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.3 1999/08/28 00:48:24 peter Exp $ 32 */ 33 34 #ifndef _NET_IF_VLAN_VAR_H_ 35 #define _NET_IF_VLAN_VAR_H_ 36 37 /* sysctl(3) tags, for compatibility purposes */ 38 #define VLANCTL_PROTO 1 39 #define VLANCTL_MAX 2 40 41 /* 42 * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. 43 */ 44 struct vlanreq { 45 char vlr_parent[IFNAMSIZ]; 46 u_short vlr_tag; 47 }; 48 49 #ifdef _KERNEL 50 #include <sys/refcnt.h> 51 52 #define mc_enm mc_u.mcu_enm 53 54 struct vlan_mc_entry { 55 LIST_ENTRY(vlan_mc_entry) mc_entries; 56 union { 57 struct ether_multi *mcu_enm; 58 } mc_u; 59 struct sockaddr_storage mc_addr; 60 }; 61 62 struct ifvlan { 63 struct arpcom ifv_ac; /* make this an interface */ 64 unsigned int ifv_ifp0; /* parent interface of this vlan */ 65 struct ifv_linkmib { 66 u_int16_t ifvm_proto; /* encapsulation ethertype */ 67 u_int16_t ifvm_tag; /* tag to apply on packets leaving if */ 68 u_int16_t ifvm_prio; /* prio to apply on packet leaving if */ 69 u_int16_t ifvm_type; /* non-standard ethertype or 0x8100 */ 70 } ifv_mib; 71 LIST_HEAD(__vlan_mchead, vlan_mc_entry) vlan_mc_listhead; 72 SRPL_ENTRY(ifvlan) ifv_list; 73 int ifv_flags; 74 struct refcnt ifv_refcnt; 75 void *lh_cookie; 76 void *dh_cookie; 77 struct ifih *ifv_ifih; 78 }; 79 80 #define ifv_if ifv_ac.ac_if 81 #define ifv_tag ifv_mib.ifvm_tag 82 #define ifv_prio ifv_mib.ifvm_prio 83 #define ifv_type ifv_mib.ifvm_type 84 #define IFVF_PROMISC 0x01 /* the parent should be made promisc */ 85 #define IFVF_LLADDR 0x02 /* don't inherit the parents mac */ 86 87 struct mbuf *vlan_inject(struct mbuf *, uint16_t, uint16_t); 88 #endif /* _KERNEL */ 89 90 #endif /* _NET_IF_VLAN_VAR_H_ */ 91