From e7a40e86b1f7f2325ebcff1d2506ef6a81536955 Mon Sep 17 00:00:00 2001 From: "Keith Burns (alagalah)" Date: Mon, 16 May 2016 09:53:13 -0700 Subject: VPP-61 Patch2/2 Removing NSH from VPP for move to NSH_SFC Change-Id: I76359b621b2edc599cf2e9ee845d97293a5d46f7 Signed-off-by: Keith Burns (alagalah) --- vnet/vnet/nsh/nsh_packet.h | 93 ---------------------------------------------- 1 file changed, 93 deletions(-) delete mode 100644 vnet/vnet/nsh/nsh_packet.h (limited to 'vnet/vnet/nsh/nsh_packet.h') diff --git a/vnet/vnet/nsh/nsh_packet.h b/vnet/vnet/nsh/nsh_packet.h deleted file mode 100644 index cbe4f1e4193..00000000000 --- a/vnet/vnet/nsh/nsh_packet.h +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef included_vnet_nsh_packet_h -#define included_vnet_nsh_packet_h - -/* - * NSH packet format from draft-quinn-sfc-nsh-03.txt - * - * NSH Base Header - * 0 1 2 3 - * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * |Ver|O|C|R|R|R|R|R|R| Length | MD Type | Next Protocol | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * - * Base Header Field Descriptions: - * - * Version: The version field is used to ensure backward compatibility - * going forward with future NSH updates. - * - * O bit: Indicates that this packet is an operations and management - * (OAM) packet. SFF and SFs nodes MUST examine the payload and take - * appropriate action (e.g. return status information). - * - * OAM message specifics and handling details are outside the scope of - * this document. - * - * C bit: Indicates that a critical metadata TLV is present (see section - * 7). This bit acts as an indication for hardware implementers to - * decide how to handle the presence of a critical TLV without - * necessarily needing to parse all TLVs present. The C bit MUST be set - * to 1 if one or more critical TLVs are present. - * - * All other flag fields are reserved. - * - * Length: total length, in 4 byte words, of the NSH header, including - * optional variable TLVs. Length must be equal or greater than 6. - * - * MD Type: indicates the format of NSH beyond the base header and the - * type of metadata being carried. This typing is used to describe the - * use for the metadata. A new registry will be requested from IANA for - * the MD Type. NSH defines one type, type = 0x1 which indicates that - * the format of the header is as per this draft. - * - * The format of the base header is invariant, and not described by MD - * Type. - * - * Next Protocol: indicates the protocol type of the original packet. A - * new IANA registry will be created for protocol type. - * - * This draft defines the following Next Protocol values: - * - * 0x1 : IPv4 - * 0x2 : IPv6 - * 0x3 : Ethernet - */ - -typedef CLIB_PACKED(struct { - u8 ver_o_c; - u8 length; - u8 md_type; - u8 next_protocol; - u32 nsp_nsi; // nsp 24 bits, nsi 8 bits - /* Context headers, always present */ - u32 c1; u32 c2; u32 c3; u32 c4; - - /* Optional variable length metadata */ - u32 tlvs[0]; -}) nsh_header_t; - -#define NSH_VERSION (0<<6) -#define NSH_O_BIT (1<<5) -#define NSH_C_BIT (1<<4) - -/* Network byte order shift / mask */ -#define NSH_NSI_MASK 0xFF -#define NSH_NSP_MASK (0x00FFFFFF) -#define NSH_NSP_SHIFT 8 - -#endif /* included_vnet_nsh_packet_h */ -- cgit 1.2.3-korg