systemd/src/basic/linux/cfm_bridge.h at main · https-github-com-bit/systemd

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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */

#ifndef _UAPI_LINUX_CFM_BRIDGE_H_

#define _UAPI_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

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