2 * Copyright 1998 Massachusetts Institute of Technology
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5 * its documentation for any purpose and without fee is hereby
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32 #ifndef _NET_IF_VLAN_VAR_H_
33 #define _NET_IF_VLAN_VAR_H_ 1
36 struct vlan_mc_entry {
37 struct ether_addr mc_addr;
38 SLIST_ENTRY(vlan_mc_entry) mc_entries;
42 struct arpcom ifv_ac; /* make this an interface */
43 struct ifnet *ifv_p; /* parent inteface of this vlan */
46 u_int16_t ifvm_proto; /* encapsulation ethertype */
47 u_int16_t ifvm_tag; /* tag to apply on packets leaving if */
49 SLIST_HEAD(__vlan_mchead, vlan_mc_entry) vlan_mc_listhead;
50 LIST_ENTRY(ifvlan) ifv_list;
51 struct resource *r_unit; /* resource allocated for this unit */
53 #define ifv_if ifv_ac.ac_if
54 #define ifv_tag ifv_mib.ifvm_tag
57 struct ether_vlan_header {
58 u_char evl_dhost[ETHER_ADDR_LEN];
59 u_char evl_shost[ETHER_ADDR_LEN];
60 u_int16_t evl_encap_proto;
65 #define EVL_VLANOFTAG(tag) ((tag) & 4095)
66 #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
67 #define EVL_ENCAPLEN 4 /* length in octets of encapsulation */
69 /* sysctl(3) tags, for compatibility purposes */
70 #define VLANCTL_PROTO 1
74 * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
77 char vlr_parent[IFNAMSIZ];
80 #define SIOCSETVLAN SIOCSIFGENERIC
81 #define SIOCGETVLAN SIOCGIFGENERIC
83 #endif /* _NET_IF_VLAN_VAR_H_ */