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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
#ifndef _LINUX_CFM_BRIDGE_H_
#define _LINUX_CFM_BRIDGE_H_
#include <linux/types.h>
#include <linux/if_ether.h>
#define ETHER_HEADER_LENGTH (6+6+4+2)
#define CFM_MAID_LENGTH 48
#define CFM_CCM_PDU_LENGTH 75
#define CFM_PORT_STATUS_TLV_LENGTH 4
#define CFM_IF_STATUS_TLV_LENGTH 4
#define CFM_IF_STATUS_TLV_TYPE 4
#define CFM_PORT_STATUS_TLV_TYPE 2
#define CFM_ENDE_TLV_TYPE 0
#define CFM_CCM_MAX_FRAME_LENGTH (ETHER_HEADER_LENGTH+\
CFM_CCM_PDU_LENGTH+\
CFM_PORT_STATUS_TLV_LENGTH+\
CFM_IF_STATUS_TLV_LENGTH)
#define CFM_FRAME_PRIO 7
#define CFM_CCM_TLV_OFFSET 70
#define CFM_CCM_PDU_MAID_OFFSET 10
#define CFM_CCM_PDU_MEPID_OFFSET 8
#define CFM_CCM_PDU_SEQNR_OFFSET 4
#define CFM_CCM_PDU_TLV_OFFSET 74
#define CFM_CCM_ITU_RESERVED_SIZE 16
struct br_cfm_common_hdr {
__u8 mdlevel_version;
__u8 opcode;
__u8 flags;
__u8 tlv_offset;
};
enum br_cfm_opcodes {
BR_CFM_OPCODE_CCM = 0x1,
};
/* MEP domain */
enum br_cfm_domain {
BR_CFM_PORT,
BR_CFM_VLAN,
};
/* MEP direction */
enum br_cfm_mep_direction {
BR_CFM_MEP_DIRECTION_DOWN,
BR_CFM_MEP_DIRECTION_UP,
};
/* CCM interval supported. */
enum br_cfm_ccm_interval {
BR_CFM_CCM_INTERVAL_NONE,
BR_CFM_CCM_INTERVAL_3_3_MS,
BR_CFM_CCM_INTERVAL_10_MS,
BR_CFM_CCM_INTERVAL_100_MS,
BR_CFM_CCM_INTERVAL_1_SEC,
BR_CFM_CCM_INTERVAL_10_SEC,
BR_CFM_CCM_INTERVAL_1_MIN,
BR_CFM_CCM_INTERVAL_10_MIN,
};
#endif