include/uapi/linux/mrp_bridge.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2
   3 #ifndef _UAPI_LINUX_MRP_BRIDGE_H_
   4 #define _UAPI_LINUX_MRP_BRIDGE_H_
   5
   6 #include <linux/types.h>
   7 #include <linux/if_ether.h>
   8
   9 #define MRP_MAX_FRAME_LENGTH            200
  10 #define MRP_DEFAULT_PRIO                0x8000
  11 #define MRP_DOMAIN_UUID_LENGTH          16
  12 #define MRP_VERSION                     1
  13 #define MRP_FRAME_PRIO                  7
  14
  15 enum br_mrp_ring_role_type {
  16         BR_MRP_RING_ROLE_DISABLED,
  17         BR_MRP_RING_ROLE_MRC,
  18         BR_MRP_RING_ROLE_MRM,
  19 };
  20
  21 enum br_mrp_ring_state_type {
  22         BR_MRP_RING_STATE_OPEN,
  23         BR_MRP_RING_STATE_CLOSED,
  24 };
  25
  26 enum br_mrp_port_state_type {
  27         BR_MRP_PORT_STATE_DISABLED,
  28         BR_MRP_PORT_STATE_BLOCKED,
  29         BR_MRP_PORT_STATE_FORWARDING,
  30         BR_MRP_PORT_STATE_NOT_CONNECTED,
  31 };
  32
  33 enum br_mrp_port_role_type {
  34         BR_MRP_PORT_ROLE_PRIMARY,
  35         BR_MRP_PORT_ROLE_SECONDARY,
  36         BR_MRP_PORT_ROLE_NONE,
  37 };
  38
  39 enum br_mrp_tlv_header_type {
  40         BR_MRP_TLV_HEADER_END = 0x0,
  41         BR_MRP_TLV_HEADER_COMMON = 0x1,
  42         BR_MRP_TLV_HEADER_RING_TEST = 0x2,
  43         BR_MRP_TLV_HEADER_RING_TOPO = 0x3,
  44         BR_MRP_TLV_HEADER_RING_LINK_DOWN = 0x4,
  45         BR_MRP_TLV_HEADER_RING_LINK_UP = 0x5,
  46 };
  47
  48 struct br_mrp_tlv_hdr {
  49         __u8 type;
  50         __u8 length;
  51 };
  52
  53 struct br_mrp_end_hdr {
  54         struct br_mrp_tlv_hdr hdr;
  55 };
  56
  57 struct br_mrp_common_hdr {
  58         __be16 seq_id;
  59         __u8 domain[MRP_DOMAIN_UUID_LENGTH];
  60 };
  61
  62 struct br_mrp_ring_test_hdr {
  63         __be16 prio;
  64         __u8 sa[ETH_ALEN];
  65         __be16 port_role;
  66         __be16 state;
  67         __be16 transitions;
  68         __be32 timestamp;
  69 };
  70
  71 struct br_mrp_ring_topo_hdr {
  72         __be16 prio;
  73         __u8 sa[ETH_ALEN];
  74         __be16 interval;
  75 };
  76
  77 struct br_mrp_ring_link_hdr {
  78         __u8 sa[ETH_ALEN];
  79         __be16 port_role;
  80         __be16 interval;
  81         __be16 blocked;
  82 };
  83
  84 #endif