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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/ethernet/mellanox/mlxsw/emad.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/emad.h')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/emad.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/emad.h b/drivers/net/ethernet/mellanox/mlxsw/emad.h
new file mode 100644
index 0000000000..c51a61aa19
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/emad.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
+
+#ifndef _MLXSW_EMAD_H
+#define _MLXSW_EMAD_H
+
+#define MLXSW_EMAD_MAX_FRAME_LEN 1518 /* Length in u8 */
+#define MLXSW_EMAD_MAX_RETRY 5
+
+/* EMAD Ethernet header */
+#define MLXSW_EMAD_ETH_HDR_LEN 0x10 /* Length in u8 */
+#define MLXSW_EMAD_EH_DMAC "\x01\x02\xc9\x00\x00\x01"
+#define MLXSW_EMAD_EH_SMAC "\x00\x02\xc9\x01\x02\x03"
+#define MLXSW_EMAD_EH_ETHERTYPE 0x8932
+#define MLXSW_EMAD_EH_MLX_PROTO 0
+#define MLXSW_EMAD_EH_PROTO_VERSION 0
+
+/* EMAD TLV Types */
+enum {
+ MLXSW_EMAD_TLV_TYPE_END,
+ MLXSW_EMAD_TLV_TYPE_OP,
+ MLXSW_EMAD_TLV_TYPE_STRING,
+ MLXSW_EMAD_TLV_TYPE_REG,
+ MLXSW_EMAD_TLV_TYPE_LATENCY,
+};
+
+/* OP TLV */
+#define MLXSW_EMAD_OP_TLV_LEN 4 /* Length in u32 */
+
+enum {
+ MLXSW_EMAD_OP_TLV_CLASS_REG_ACCESS = 1,
+ MLXSW_EMAD_OP_TLV_CLASS_IPC = 2,
+};
+
+enum mlxsw_emad_op_tlv_status {
+ MLXSW_EMAD_OP_TLV_STATUS_SUCCESS,
+ MLXSW_EMAD_OP_TLV_STATUS_BUSY,
+ MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED,
+ MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV,
+ MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED,
+ MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED,
+ MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED,
+ MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER,
+ MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE,
+ MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK,
+ MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR = 0x70,
+};
+
+static inline char *mlxsw_emad_op_tlv_status_str(u8 status)
+{
+ switch (status) {
+ case MLXSW_EMAD_OP_TLV_STATUS_SUCCESS:
+ return "operation performed";
+ case MLXSW_EMAD_OP_TLV_STATUS_BUSY:
+ return "device is busy";
+ case MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED:
+ return "version not supported";
+ case MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV:
+ return "unknown TLV";
+ case MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED:
+ return "register not supported";
+ case MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED:
+ return "class not supported";
+ case MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED:
+ return "method not supported";
+ case MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER:
+ return "bad parameter";
+ case MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE:
+ return "resource not available";
+ case MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK:
+ return "acknowledged. retransmit";
+ case MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR:
+ return "internal error";
+ default:
+ return "*UNKNOWN*";
+ }
+}
+
+enum {
+ MLXSW_EMAD_OP_TLV_REQUEST,
+ MLXSW_EMAD_OP_TLV_RESPONSE
+};
+
+enum {
+ MLXSW_EMAD_OP_TLV_METHOD_QUERY = 1,
+ MLXSW_EMAD_OP_TLV_METHOD_WRITE = 2,
+ MLXSW_EMAD_OP_TLV_METHOD_SEND = 3,
+ MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5,
+};
+
+/* STRING TLV */
+#define MLXSW_EMAD_STRING_TLV_LEN 33 /* Length in u32 */
+
+/* LATENCY TLV */
+#define MLXSW_EMAD_LATENCY_TLV_LEN 7 /* Length in u32 */
+
+/* END TLV */
+#define MLXSW_EMAD_END_TLV_LEN 1 /* Length in u32 */
+
+#endif