1 files changed, 122 insertions, 0 deletions
diff --git a/include/uapi/linux/mrp_bridge.h b/include/uapi/linux/mrp_bridge.h
new file mode 100644
index 000000000000..84f15f48a7cb
--- /dev/null
+++ b/include/uapi/linux/mrp_bridge.h
@@ -0,0 +1,122 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+
+#ifndef _UAPI_LINUX_MRP_BRIDGE_H_
+#define _UAPI_LINUX_MRP_BRIDGE_H_
+
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#define MRP_MAX_FRAME_LENGTH		200
+#define MRP_DEFAULT_PRIO		0x8000
+#define MRP_DOMAIN_UUID_LENGTH		16
+#define MRP_VERSION			1
+#define MRP_FRAME_PRIO			7
+#define MRP_OUI_LENGTH			3
+#define MRP_MANUFACTURE_DATA_LENGTH	2
+
+enum br_mrp_ring_role_type {
+	BR_MRP_RING_ROLE_DISABLED,
+	BR_MRP_RING_ROLE_MRC,
+	BR_MRP_RING_ROLE_MRM,
+	BR_MRP_RING_ROLE_MRA,
+};
+
+enum br_mrp_ring_state_type {
+	BR_MRP_RING_STATE_OPEN,
+	BR_MRP_RING_STATE_CLOSED,
+};
+
+enum br_mrp_port_state_type {
+	BR_MRP_PORT_STATE_DISABLED,
+	BR_MRP_PORT_STATE_BLOCKED,
+	BR_MRP_PORT_STATE_FORWARDING,
+	BR_MRP_PORT_STATE_NOT_CONNECTED,
+};
+
+enum br_mrp_port_role_type {
+	BR_MRP_PORT_ROLE_PRIMARY,
+	BR_MRP_PORT_ROLE_SECONDARY,
+	BR_MRP_PORT_ROLE_NONE,
+};
+
+enum br_mrp_tlv_header_type {
+	BR_MRP_TLV_HEADER_END = 0x0,
+	BR_MRP_TLV_HEADER_COMMON = 0x1,
+	BR_MRP_TLV_HEADER_RING_TEST = 0x2,
+	BR_MRP_TLV_HEADER_RING_TOPO = 0x3,
+	BR_MRP_TLV_HEADER_RING_LINK_DOWN = 0x4,
+	BR_MRP_TLV_HEADER_RING_LINK_UP = 0x5,
+	BR_MRP_TLV_HEADER_OPTION = 0x7f,
+};
+
+enum br_mrp_sub_tlv_header_type {
+	BR_MRP_SUB_TLV_HEADER_TEST_MGR_NACK = 0x1,
+	BR_MRP_SUB_TLV_HEADER_TEST_PROPAGATE = 0x2,
+	BR_MRP_SUB_TLV_HEADER_TEST_AUTO_MGR = 0x3,
+};
+
+struct br_mrp_tlv_hdr {
+	__u8 type;
+	__u8 length;
+};
+
+struct br_mrp_sub_tlv_hdr {
+	__u8 type;
+	__u8 length;
+};
+
+struct br_mrp_end_hdr {
+	struct br_mrp_tlv_hdr hdr;
+};
+
+struct br_mrp_common_hdr {
+	__be16 seq_id;
+	__u8 domain[MRP_DOMAIN_UUID_LENGTH];
+};
+
+struct br_mrp_ring_test_hdr {
+	__be16 prio;
+	__u8 sa[ETH_ALEN];
+	__be16 port_role;
+	__be16 state;
+	__be16 transitions;
+	__be32 timestamp;
+};
+
+struct br_mrp_ring_topo_hdr {
+	__be16 prio;
+	__u8 sa[ETH_ALEN];
+	__be16 interval;
+};
+
+struct br_mrp_ring_link_hdr {
+	__u8 sa[ETH_ALEN];
+	__be16 port_role;
+	__be16 interval;
+	__be16 blocked;
+};
+
+struct br_mrp_sub_opt_hdr {
+	__u8 type;
+	__u8 manufacture_data[MRP_MANUFACTURE_DATA_LENGTH];
+};
+
+struct br_mrp_test_mgr_nack_hdr {
+	__be16 prio;
+	__u8 sa[ETH_ALEN];
+	__be16 other_prio;
+	__u8 other_sa[ETH_ALEN];
+};
+
+struct br_mrp_test_prop_hdr {
+	__be16 prio;
+	__u8 sa[ETH_ALEN];
+	__be16 other_prio;
+	__u8 other_sa[ETH_ALEN];
+};
+
+struct br_mrp_oui_hdr {
+	__u8 oui[MRP_OUI_LENGTH];
+};
+
+#endif