diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd_1363/include/proto/vlan.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd_1363/include/proto/vlan.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd_1363/include/proto/vlan.h b/drivers/net/wireless/bcmdhd_1363/include/proto/vlan.h new file mode 100644 index 000000000000..062119d1faf2 --- /dev/null +++ b/drivers/net/wireless/bcmdhd_1363/include/proto/vlan.h @@ -0,0 +1,98 @@ +/* + * 802.1Q VLAN protocol definitions + * + * Copyright (C) 1999-2017, 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. + * + * + * <<Broadcom-WL-IPTag/Open:>> + * + * $Id: vlan.h 518342 2014-12-01 23:21:41Z $ + */ + +#ifndef _vlan_h_ +#define _vlan_h_ + +#ifndef _TYPEDEFS_H_ +#include <typedefs.h> +#endif + +/* This marks the start of a packed structure section. */ +#include <packed_section_start.h> + +#ifndef VLAN_VID_MASK +#define VLAN_VID_MASK 0xfff /* low 12 bits are vlan id */ +#endif + +#define VLAN_CFI_SHIFT 12 /* canonical format indicator bit */ +#define VLAN_PRI_SHIFT 13 /* user priority */ + +#define VLAN_PRI_MASK 7 /* 3 bits of priority */ + +#define VLAN_TPID_OFFSET 12 /* offset of tag protocol id field */ +#define VLAN_TCI_OFFSET 14 /* offset of tag ctrl info field */ + +#define VLAN_TAG_LEN 4 +#define VLAN_TAG_OFFSET (2 * ETHER_ADDR_LEN) /* offset in Ethernet II packet only */ + +#define VLAN_TPID 0x8100 /* VLAN ethertype/Tag Protocol ID */ + +struct vlan_header { + uint16 vlan_type; /* 0x8100 */ + uint16 vlan_tag; /* priority, cfi and vid */ +}; + +struct ethervlan_header { + uint8 ether_dhost[ETHER_ADDR_LEN]; + uint8 ether_shost[ETHER_ADDR_LEN]; + uint16 vlan_type; /* 0x8100 */ + uint16 vlan_tag; /* priority, cfi and vid */ + uint16 ether_type; +}; + +struct dot3_mac_llc_snapvlan_header { + uint8 ether_dhost[ETHER_ADDR_LEN]; /* dest mac */ + uint8 ether_shost[ETHER_ADDR_LEN]; /* src mac */ + uint16 length; /* frame length incl header */ + uint8 dsap; /* always 0xAA */ + uint8 ssap; /* always 0xAA */ + uint8 ctl; /* always 0x03 */ + uint8 oui[3]; /* RFC1042: 0x00 0x00 0x00 + * Bridge-Tunnel: 0x00 0x00 0xF8 + */ + uint16 vlan_type; /* 0x8100 */ + uint16 vlan_tag; /* priority, cfi and vid */ + uint16 ether_type; /* ethertype */ +}; + +#define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN) + + +/* This marks the end of a packed structure section. */ +#include <packed_section_end.h> + +#define ETHERVLAN_MOVE_HDR(d, s) \ +do { \ + struct ethervlan_header t; \ + t = *(struct ethervlan_header *)(s); \ + *(struct ethervlan_header *)(d) = t; \ +} while (0) + +#endif /* _vlan_h_ */ |