/* packet-nvme-mi.c * Routines for NVMe Management Interface (NVMe-MI), over MCTP * Copyright 2022, Jeremy Kerr * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* NVMe is defined by the NVM Express Management Interface standard, * athttps://nvmexpress.org/developers/nvme-mi-specification/ */ #include #include #include #include #include #include #include #include void proto_register_nvme_mi(void); void proto_reg_handoff_nvme_mi(void); static int proto_nvme_mi = -1; static int hf_nvme_mi_mctp_mt = -1; static int hf_nvme_mi_mctp_ic = -1; static int hf_nvme_mi_csi = -1; static int hf_nvme_mi_type = -1; static int hf_nvme_mi_ror = -1; static int hf_nvme_mi_meb = -1; static int hf_nvme_mi_mic = -1; static int hf_nvme_mi_mi_opcode = -1; static int hf_nvme_mi_mi_cdw0 = -1; static int hf_nvme_mi_mi_cdw1 = -1; static int hf_nvme_mi_mi_status = -1; static int hf_nvme_mi_mi_nmresp = -1; static int hf_nvme_mi_mi_data = -1; static int hf_nvme_mi_admin_opcode = -1; static int hf_nvme_mi_admin_status = -1; static int hf_nvme_mi_admin_flags = -1; static int hf_nvme_mi_admin_flags_doff = -1; static int hf_nvme_mi_admin_flags_dlen = -1; static int hf_nvme_mi_admin_ctrl_id = -1; static int hf_nvme_mi_admin_sqe1 = -1; static int hf_nvme_mi_admin_sqe2 = -1; static int hf_nvme_mi_admin_sqe3 = -1; static int hf_nvme_mi_admin_sqe4 = -1; static int hf_nvme_mi_admin_sqe5 = -1; static int hf_nvme_mi_admin_doff = -1; static int hf_nvme_mi_admin_dlen = -1; static int hf_nvme_mi_admin_resv0 = -1; static int hf_nvme_mi_admin_resv1 = -1; static int hf_nvme_mi_admin_sqe10 = -1; static int hf_nvme_mi_admin_sqe11 = -1; static int hf_nvme_mi_admin_sqe12 = -1; static int hf_nvme_mi_admin_sqe13 = -1; static int hf_nvme_mi_admin_sqe14 = -1; static int hf_nvme_mi_admin_sqe15 = -1; static int hf_nvme_mi_admin_data = -1; static int hf_nvme_mi_admin_cqe1 = -1; static int hf_nvme_mi_admin_cqe2 = -1; static int hf_nvme_mi_admin_cqe3 = -1; static int hf_nvme_mi_response_in = -1; static int hf_nvme_mi_response_to = -1; static int hf_nvme_mi_response_time = -1; static gint ett_nvme_mi = -1; static gint ett_nvme_mi_hdr = -1; static gint ett_nvme_mi_mi = -1; static gint ett_nvme_mi_admin = -1; static gint ett_nvme_mi_admin_flags = -1; enum nvme_mi_type { NVME_MI_TYPE_CONTROL = 0x0, NVME_MI_TYPE_MI = 0x1, NVME_MI_TYPE_ADMIN = 0x2, NVME_MI_TYPE_PCIE = 0x4, }; struct nvme_mi_command { gboolean init; enum nvme_mi_type type; guint opcode; guint32 req_frame; guint32 resp_frame; nstime_t req_time; }; struct nvme_mi_conv_info { struct nvme_mi_command command_slots[2]; }; static const value_string mi_mctp_type_vals[] = { { 4, "NVMe-MI" }, { 0, NULL }, }; static const value_string mi_type_vals[] = { { NVME_MI_TYPE_CONTROL, "Control primitive" }, { NVME_MI_TYPE_MI, "MI command" }, { NVME_MI_TYPE_ADMIN, "NVMe Admin command" }, { NVME_MI_TYPE_PCIE, "PCIe command" }, { 0, NULL }, }; static const value_string mi_opcode_vals[] = { { 0x00, "Read NVMe-MI Data Structure" }, { 0x01, "NVM Subsystem Health Status Poll" }, { 0x02, "Controller Health Status Poll" }, { 0x03, "Configuration Set" }, { 0x04, "Configuration Get" }, { 0, NULL }, }; static const value_string admin_opcode_vals[] = { { 0x00, "Delete I/O Submission Queue" }, { 0x01, "Create I/O Submission Queue" }, { 0x02, "Get Log Page" }, { 0x04, "Delete I/O Completion Queue" }, { 0x05, "Create I/O Completion Queue" }, { 0x06, "Identify" }, { 0x09, "Set Features" }, { 0x0a, "Get Features" }, { 0x0d, "Namespace Management" }, { 0x10, "Firmware Commit" }, { 0x11, "Firmware Image Download" }, { 0x80, "Format NVM" }, { 0x81, "Security Send" }, { 0x82, "Security Receive" }, { 0, NULL }, }; static const true_false_string tfs_meb = { "data in MEB", "data in message" }; static int dissect_nvme_mi_mi(tvbuff_t *tvb, bool resp, struct nvme_mi_command *cmd, proto_tree *tree) { proto_item *it, *it2; proto_tree *mi_tree; it = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA); mi_tree = proto_item_add_subtree(it, ett_nvme_mi_mi); if (!resp) { proto_tree_add_item_ret_uint(mi_tree, hf_nvme_mi_mi_opcode, tvb, 0, 1, ENC_NA, &cmd->opcode); proto_tree_add_item(mi_tree, hf_nvme_mi_mi_cdw0, tvb, 4, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(mi_tree, hf_nvme_mi_mi_cdw1, tvb, 8, 4, ENC_LITTLE_ENDIAN); if (tvb_reported_length(tvb) > 12) proto_tree_add_item(mi_tree, hf_nvme_mi_mi_data, tvb, 12, -1, ENC_NA); } else { it2 = proto_tree_add_uint(mi_tree, hf_nvme_mi_mi_opcode, tvb, 0, 0, cmd->opcode); proto_item_set_generated(it2); proto_tree_add_item(mi_tree, hf_nvme_mi_mi_status, tvb, 0, 1, ENC_NA); proto_tree_add_item(mi_tree, hf_nvme_mi_mi_nmresp, tvb, 1, 3, ENC_LITTLE_ENDIAN); if (tvb_reported_length(tvb) > 4) proto_tree_add_item(mi_tree, hf_nvme_mi_mi_data, tvb, 4, -1, ENC_NA); } return 0; } static int dissect_nvme_mi_admin(tvbuff_t *tvb, bool resp, struct nvme_mi_command *cmd, proto_tree *tree) { proto_tree *admin_tree; proto_item *it, *it2; it = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA); admin_tree = proto_item_add_subtree(it, ett_nvme_mi_admin); proto_item_set_text(it, "NVMe Admin %s", resp ? "response" : "request"); if (resp) { it2 = proto_tree_add_uint(admin_tree, hf_nvme_mi_admin_opcode, tvb, 0, 0, cmd->opcode); proto_item_set_generated(it2); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_status, tvb, 0, 1, ENC_NA); if (tvb_reported_length(tvb) >= 16) { proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe1, tvb, 4, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe2, tvb, 8, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe3, tvb, 12, 4, ENC_LITTLE_ENDIAN); } if (tvb_reported_length(tvb) > 16) proto_tree_add_item(admin_tree, hf_nvme_mi_admin_data, tvb, 16, -1, ENC_NA); } else { static int * const nvme_mi_admin_flags[] = { &hf_nvme_mi_admin_flags_doff, &hf_nvme_mi_admin_flags_dlen, NULL, }; proto_tree_add_item_ret_uint(admin_tree, hf_nvme_mi_admin_opcode, tvb, 0, 1, ENC_NA, &cmd->opcode); proto_tree_add_bitmask(admin_tree, tvb, 1, hf_nvme_mi_admin_flags, ett_nvme_mi_admin_flags, nvme_mi_admin_flags, ENC_NA); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_ctrl_id, tvb, 2, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe1, tvb, 4, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe2, tvb, 8, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe3, tvb, 12, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe4, tvb, 16, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe5, tvb, 20, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_doff, tvb, 24, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_dlen, tvb, 28, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_resv0, tvb, 32, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_resv1, tvb, 36, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe10, tvb, 40, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe11, tvb, 44, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe12, tvb, 48, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe13, tvb, 52, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe14, tvb, 56, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe15, tvb, 60, 4, ENC_LITTLE_ENDIAN); if (tvb_reported_length(tvb) > 64) proto_tree_add_item(admin_tree, hf_nvme_mi_admin_data, tvb, 64, -1, ENC_NA); } return 0; } static int dissect_nvme_mi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { proto_tree *nvme_mi_tree, *nvme_mi_hdr_tree; struct nvme_mi_conv_info *mi_conv; guint len, payload_len, type; gboolean resp, mic_enabled; proto_item *ti, *it2; conversation_t *conv; tvbuff_t *sub_tvb; guint32 mic = 0; guint csi; col_set_str(pinfo->cinfo, COL_PROTOCOL, "NVMe-MI"); col_clear(pinfo->cinfo, COL_INFO); /* Check that the packet is long enough for it to belong to us. */ len = tvb_reported_length(tvb); if (len < 4) { col_add_fstr(pinfo->cinfo, COL_INFO, "Bogus length %u, minimum %u", len, 4); return tvb_captured_length(tvb); } ti = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA); nvme_mi_tree = proto_item_add_subtree(ti, ett_nvme_mi); ti = proto_tree_add_item(nvme_mi_tree, proto_nvme_mi, tvb, 0, 4, ENC_NA); proto_item_set_text(ti, "NVMe-MI header"); nvme_mi_hdr_tree = proto_item_add_subtree(ti, ett_nvme_mi_hdr); proto_tree_add_item(nvme_mi_hdr_tree, hf_nvme_mi_mctp_mt, tvb, 0, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item_ret_boolean(nvme_mi_hdr_tree, hf_nvme_mi_mctp_ic, tvb, 0, 4, ENC_LITTLE_ENDIAN, &mic_enabled); proto_tree_add_item_ret_uint(nvme_mi_hdr_tree, hf_nvme_mi_csi, tvb, 0, 4, ENC_LITTLE_ENDIAN, &csi); proto_tree_add_item_ret_uint(nvme_mi_hdr_tree, hf_nvme_mi_type, tvb, 0, 4, ENC_LITTLE_ENDIAN, &type); proto_tree_add_item_ret_boolean(nvme_mi_hdr_tree, hf_nvme_mi_ror, tvb, 0, 4, ENC_LITTLE_ENDIAN, &resp); proto_tree_add_item(nvme_mi_hdr_tree, hf_nvme_mi_meb, tvb, 0, 4, ENC_LITTLE_ENDIAN); payload_len = tvb_reported_length(tvb) - 4; if (mic_enabled) { mic = ~crc32c_tvb_offset_calculate(tvb, 0, payload_len, 0xffffffff); payload_len -= 4; } col_add_fstr(pinfo->cinfo, COL_INFO, "NVMe-MI %s %s", val_to_str_const(type, mi_type_vals, "command"), tfs_get_string(resp, &tfs_response_request)); conv = find_or_create_conversation(pinfo); mi_conv = conversation_get_proto_data(conv, proto_nvme_mi); if (!mi_conv) { mi_conv = wmem_new0(wmem_file_scope(), struct nvme_mi_conv_info); conversation_add_proto_data(conv, proto_nvme_mi, mi_conv); } struct nvme_mi_command *cmd = &mi_conv->command_slots[csi]; if (resp) { if (cmd->req_frame) { nstime_t ns; nstime_delta(&ns, &pinfo->fd->abs_ts, &cmd->req_time); it2 = proto_tree_add_uint(nvme_mi_tree, hf_nvme_mi_response_to, tvb, 0, 0, cmd->req_frame); proto_item_set_generated(it2); it2 = proto_tree_add_time(nvme_mi_tree, hf_nvme_mi_response_time, tvb, 0, 0, &ns); proto_item_set_generated(it2); } else { /* TODO: no request frame available? */ } cmd->resp_frame = pinfo->num; } else { if (cmd->resp_frame) { it2 = proto_tree_add_uint(nvme_mi_tree, hf_nvme_mi_response_in, tvb, 0, 0, cmd->resp_frame); proto_item_set_generated(it2); } cmd->type = type; cmd->opcode = 0; cmd->init = true; cmd->req_frame = pinfo->num; cmd->req_time = pinfo->fd->abs_ts; } sub_tvb = tvb_new_subset_length(tvb, 4, payload_len); switch (type) { case NVME_MI_TYPE_MI: dissect_nvme_mi_mi(sub_tvb, resp, cmd, nvme_mi_tree); break; case NVME_MI_TYPE_ADMIN: dissect_nvme_mi_admin(sub_tvb, resp, cmd, nvme_mi_tree); break; default: break; } if (mic_enabled) proto_tree_add_checksum(nvme_mi_tree, tvb, payload_len + 4, hf_nvme_mi_mic, -1, NULL, pinfo, mic, ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY); return tvb_captured_length(tvb); } void proto_register_nvme_mi(void) { /* *INDENT-OFF* */ /* Field definitions */ static hf_register_info hf[] = { /* base MI header */ { &hf_nvme_mi_mctp_mt, { "MCTP message type", "nvme-mi.mctp-mt", FT_UINT32, BASE_HEX, VALS(mi_mctp_type_vals), 0x7f, NULL, HFILL }, }, { &hf_nvme_mi_mctp_ic, { "MCTP IC", "nvme-mi.mctp-ic", FT_BOOLEAN, 32, NULL, 0x00000080, NULL, HFILL }, }, { &hf_nvme_mi_csi, { "CSI", "nvme-mi.csi", FT_UINT32, BASE_DEC, NULL, 0x00000100, NULL, HFILL }, }, { &hf_nvme_mi_type, { "Type", "nvme-mi.type", FT_UINT32, BASE_HEX, VALS(mi_type_vals), 0x00007800, NULL, HFILL }, }, { &hf_nvme_mi_ror, { "ROR", "nvme-mi.ror", FT_BOOLEAN, 32, TFS(&tfs_response_request), 0x00008000, NULL, HFILL }, }, { &hf_nvme_mi_meb, { "MEB", "nvme-mi.meb", FT_BOOLEAN, 32, TFS(&tfs_meb), 0x00010000, NULL, HFILL }, }, { &hf_nvme_mi_mic, { "Message Integrity Check", "nvme-mi.mic", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, /* meta */ { &hf_nvme_mi_response_in, { "Response In", "nvme-mi.response_in", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0x0, "The response to this NVMe-MI request is in this frame", HFILL } }, { &hf_nvme_mi_response_to, { "Request In", "nvme-mi.response_to", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0, "This is a response to the NVMe-MI request in this frame", HFILL } }, { &hf_nvme_mi_response_time, { "Response Time", "nvme-mi.response_time", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0, "The time between the request and the response", HFILL } }, /* MI commands */ { &hf_nvme_mi_mi_opcode, { "Opcode", "nvme-mi.mi.opcode", FT_UINT8, BASE_HEX, VALS(mi_opcode_vals), 0, NULL, HFILL }, }, { &hf_nvme_mi_mi_cdw0, { "Command dword 0", "nvme-mi.mi.cdw0", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_mi_cdw1, { "Command dword 1", "nvme-mi.mi.cdw1", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_mi_status, { "Status", "nvme-mi.mi.status", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_mi_nmresp, { "Management Response", "nvme-mi.mi.nmresp", FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_mi_data, { "Data", "nvme-mi.mi.data", FT_BYTES, SEP_SPACE, NULL, 0, NULL, HFILL }, }, /* Admin commands */ { &hf_nvme_mi_admin_opcode, { "Opcode", "nvme-mi.admin.opcode", FT_UINT8, BASE_HEX, VALS(admin_opcode_vals), 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_status, { "Status", "nvme-mi.admin.status", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_flags, { "Command Flags", "nvme-mi.admin.flags", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_flags_dlen, { "Use Data Length", "nvme-mi.admin.flags.dlen", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1, NULL, HFILL }, }, { &hf_nvme_mi_admin_flags_doff, { "Use Data Offset", "nvme-mi.admin.flags.doff", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2, NULL, HFILL }, }, { &hf_nvme_mi_admin_ctrl_id, { "Controller ID", "nvme-mi.admin.ctrl-id", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe1, { "Submission Queue Entry dword 1", "nvme-mi.admin.sqe1", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe2, { "Submission Queue Entry dword 2", "nvme-mi.admin.sqe2", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe3, { "Submission Queue Entry dword 3", "nvme-mi.admin.sqe3", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe4, { "Submission Queue Entry dword 4", "nvme-mi.admin.sqe4", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe5, { "Submission Queue Entry dword 5", "nvme-mi.admin.sqe5", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_doff, { "Data Offset", "nvme-mi.admin.doff", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_dlen, { "Data Length", "nvme-mi.admin.dlen", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_resv0, { "Reserved", "nvme-mi.admin.reserved", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_resv1, { "Reserved", "nvme-mi.admin.reserved", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe10, { "Submission Queue Entry dword 10", "nvme-mi.admin.sqe10", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe11, { "Submission Queue Entry dword 11", "nvme-mi.admin.sqe11", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe12, { "Submission Queue Entry dword 12", "nvme-mi.admin.sqe12", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe13, { "Submission Queue Entry dword 13", "nvme-mi.admin.sqe13", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe14, { "Submission Queue Entry dword 14", "nvme-mi.admin.sqe14", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_sqe15, { "Submission Queue Entry dword 15", "nvme-mi.admin.sqe15", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_cqe1, { "Completion Queue Entry dword 1", "nvme-mi.admin.cqe1", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_cqe2, { "Completion Queue Entry dword 2", "nvme-mi.admin.cqe2", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_cqe3, { "Completion Queue Entry dword 3", "nvme-mi.admin.cqe3", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }, }, { &hf_nvme_mi_admin_data, { "Data", "nvme-mi.admin.data", FT_BYTES, SEP_SPACE, NULL, 0, NULL, HFILL }, }, }; /* protocol subtree */ static gint *ett[] = { &ett_nvme_mi, &ett_nvme_mi_hdr, &ett_nvme_mi_mi, &ett_nvme_mi_admin, &ett_nvme_mi_admin_flags, }; proto_nvme_mi = proto_register_protocol("NVMe-MI", "NVMe-MI", "nvme-mi"); proto_register_field_array(proto_nvme_mi, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_nvme_mi(void) { dissector_handle_t nvme_mi_handle; nvme_mi_handle = create_dissector_handle(dissect_nvme_mi, proto_nvme_mi); dissector_add_uint("mctp.type", MCTP_TYPE_NVME, nvme_mi_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */