2 * 802.1Q VLAN protocol definitions
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24 * $Id: vlan.h,v 9.4.196.2 2008/12/07 21:19:20 Exp $
36 #include <packed_section_start.h>
38 #define VLAN_VID_MASK 0xfff
39 #define VLAN_CFI_SHIFT 12
40 #define VLAN_PRI_SHIFT 13
42 #define VLAN_PRI_MASK 7
44 #define VLAN_TAG_LEN 4
45 #define VLAN_TAG_OFFSET (2 * ETHER_ADDR_LEN)
47 #define VLAN_TPID 0x8100
49 struct ethervlan_header {
50 uint8 ether_dhost[ETHER_ADDR_LEN];
51 uint8 ether_shost[ETHER_ADDR_LEN];
57 #define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN)
61 #include <packed_section_end.h>