| /* |
| * 802.1Q VLAN protocol definitions |
| * |
| * $Copyright Open Broadcom Corporation$ |
| * |
| * $Id: vlan.h 382883 2013-02-04 23:26:09Z $ |
| */ |
| |
| #ifndef _vlan_h_ |
| #define _vlan_h_ |
| |
| #ifndef _TYPEDEFS_H_ |
| #include <typedefs.h> |
| #endif |
| |
| |
| #include <packed_section_start.h> |
| |
| #ifndef VLAN_VID_MASK |
| #define VLAN_VID_MASK 0xfff |
| #endif |
| |
| #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; |
| }; |
| |
| struct dot3_mac_llc_snapvlan_header { |
| uint8 ether_dhost[ETHER_ADDR_LEN]; |
| uint8 ether_shost[ETHER_ADDR_LEN]; |
| uint16 length; |
| uint8 dsap; |
| uint8 ssap; |
| uint8 ctl; |
| uint8 oui[3]; |
| uint16 vlan_type; |
| uint16 vlan_tag; |
| uint16 ether_type; |
| }; |
| |
| #define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN) |
| |
| |
| |
| #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 |