1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 #ifndef _UAPI_LINUX_CFM_BRIDGE_H_
4 #define _UAPI_LINUX_CFM_BRIDGE_H_
6 #include <linux/types.h>
7 #include <linux/if_ether.h>
9 #define ETHER_HEADER_LENGTH (6+6+4+2)
10 #define CFM_MAID_LENGTH 48
11 #define CFM_CCM_PDU_LENGTH 75
12 #define CFM_PORT_STATUS_TLV_LENGTH 4
13 #define CFM_IF_STATUS_TLV_LENGTH 4
14 #define CFM_IF_STATUS_TLV_TYPE 4
15 #define CFM_PORT_STATUS_TLV_TYPE 2
16 #define CFM_ENDE_TLV_TYPE 0
17 #define CFM_CCM_MAX_FRAME_LENGTH (ETHER_HEADER_LENGTH+\
19 CFM_PORT_STATUS_TLV_LENGTH+\
20 CFM_IF_STATUS_TLV_LENGTH)
21 #define CFM_FRAME_PRIO 7
22 #define CFM_CCM_TLV_OFFSET 70
23 #define CFM_CCM_ITU_RESERVED_SIZE 16
25 struct br_cfm_common_hdr {
33 BR_CFM_OPCODE_CCM = 0x1,
43 enum br_cfm_mep_direction {
44 BR_CFM_MEP_DIRECTION_DOWN,
45 BR_CFM_MEP_DIRECTION_UP,
48 /* CCM interval supported. */
49 enum br_cfm_ccm_interval {
50 BR_CFM_CCM_INTERVAL_NONE,
51 BR_CFM_CCM_INTERVAL_3_3_MS,
52 BR_CFM_CCM_INTERVAL_10_MS,
53 BR_CFM_CCM_INTERVAL_100_MS,
54 BR_CFM_CCM_INTERVAL_1_SEC,
55 BR_CFM_CCM_INTERVAL_10_SEC,
56 BR_CFM_CCM_INTERVAL_1_MIN,
57 BR_CFM_CCM_INTERVAL_10_MIN,