/* * 802.1Q VLAN protocol definitions * * Copyright (C) 1999-2014, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: vlan.h 346935 2012-07-25 00:24:55Z $ */ #ifndef _vlan_h_ #define _vlan_h_ #ifndef _TYPEDEFS_H_ #include #endif #include #define VLAN_VID_MASK 0xfff #define VLAN_CFI_SHIFT 12 #define VLAN_PRI_SHIFT 13 #define VLAN_PRI_MASK 7 #define VLAN_TPID_OFFSET 12 #define VLAN_TCI_OFFSET 14 #define VLAN_TAG_LEN 4 #define VLAN_TAG_OFFSET (2 * ETHER_ADDR_LEN) #define VLAN_TPID 0x8100 struct vlan_header { uint16 vlan_type; uint16 vlan_tag; }; struct ethervlan_header { uint8 ether_dhost[ETHER_ADDR_LEN]; uint8 ether_shost[ETHER_ADDR_LEN]; uint16 vlan_type; uint16 vlan_tag; uint16 ether_type; }; #define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN) #include #define ETHERVLAN_MOVE_HDR(d, s) \ do { \ struct ethervlan_header t; \ t = *(struct ethervlan_header *)(s); \ *(struct ethervlan_header *)(d) = t; \ } while (0) #endif