include/uapi/linux/cfm_bridge.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2
   3 #ifndef _UAPI_LINUX_CFM_BRIDGE_H_
   4 #define _UAPI_LINUX_CFM_BRIDGE_H_
   5
   6 #include <linux/types.h>
   7 #include <linux/if_ether.h>
   8
   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+\
  18                                          CFM_CCM_PDU_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_PDU_MAID_OFFSET         10
  24 #define CFM_CCM_PDU_MEPID_OFFSET        8
  25 #define CFM_CCM_PDU_SEQNR_OFFSET        4
  26 #define CFM_CCM_PDU_TLV_OFFSET          74
  27 #define CFM_CCM_ITU_RESERVED_SIZE       16
  28
  29 struct br_cfm_common_hdr {
  30         __u8 mdlevel_version;
  31         __u8 opcode;
  32         __u8 flags;
  33         __u8 tlv_offset;
  34 };
  35
  36 enum br_cfm_opcodes {
  37         BR_CFM_OPCODE_CCM = 0x1,
  38 };
  39
  40 /* MEP domain */
  41 enum br_cfm_domain {
  42         BR_CFM_PORT,
  43         BR_CFM_VLAN,
  44 };
  45
  46 /* MEP direction */
  47 enum br_cfm_mep_direction {
  48         BR_CFM_MEP_DIRECTION_DOWN,
  49         BR_CFM_MEP_DIRECTION_UP,
  50 };
  51
  52 /* CCM interval supported. */
  53 enum br_cfm_ccm_interval {
  54         BR_CFM_CCM_INTERVAL_NONE,
  55         BR_CFM_CCM_INTERVAL_3_3_MS,
  56         BR_CFM_CCM_INTERVAL_10_MS,
  57         BR_CFM_CCM_INTERVAL_100_MS,
  58         BR_CFM_CCM_INTERVAL_1_SEC,
  59         BR_CFM_CCM_INTERVAL_10_SEC,
  60         BR_CFM_CCM_INTERVAL_1_MIN,
  61         BR_CFM_CCM_INTERVAL_10_MIN,
  62 };
  63
  64 #endif