View file File name : cfm_bridge.h Content :/* 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