diff options
Diffstat (limited to 'vnet/vnet/srp/packet.h')
| -rw-r--r-- | vnet/vnet/srp/packet.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/vnet/vnet/srp/packet.h b/vnet/vnet/srp/packet.h deleted file mode 100644 index 96dab648b32..00000000000 --- a/vnet/vnet/srp/packet.h +++ /dev/null @@ -1,204 +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. - */ -/* - * srp/packet.h: srp packet format. - * - * Copyright (c) 2008 Eliot Dresselhaus - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef included_srp_packet_h -#define included_srp_packet_h - -#include <vppinfra/byte_order.h> -#include <vppinfra/bitops.h> -#include <vnet/ethernet/packet.h> - -/* SRP version 2. */ - -#define foreach_srp_mode \ - _ (reserved0) \ - _ (reserved1) \ - _ (reserved2) \ - _ (reserved3) \ - _ (control_pass_to_host) \ - _ (control_locally_buffered_for_host) \ - _ (keep_alive) \ - _ (data) - -typedef enum { -#define _(f) SRP_MODE_##f, - foreach_srp_mode -#undef _ - SRP_N_MODE, -} srp_mode_t; - -typedef union { - /* For computing parity bit. */ - u16 as_u16; - - struct { - u8 ttl; - -#if CLIB_ARCH_IS_BIG_ENDIAN - u8 is_inner_ring : 1; - u8 mode : 3; - u8 priority : 3; - u8 parity : 1; -#endif -#if CLIB_ARCH_IS_LITTLE_ENDIAN - u8 parity : 1; - u8 priority : 3; - u8 mode : 3; - u8 is_inner_ring : 1; -#endif - }; -} srp_header_t; - -always_inline void -srp_header_compute_parity (srp_header_t * h) -{ - h->parity = 0; - h->parity = count_set_bits (h->as_u16) ^ 1; /* odd parity */ -} - -typedef struct { - srp_header_t srp; - ethernet_header_t ethernet; -} srp_and_ethernet_header_t; - -#define foreach_srp_control_packet_type \ - _ (reserved) \ - _ (topology) \ - _ (ips) - -typedef enum { -#define _(f) SRP_CONTROL_PACKET_TYPE_##f, - foreach_srp_control_packet_type -#undef _ - SRP_N_CONTROL_PACKET_TYPE, -} srp_control_packet_type_t; - -typedef CLIB_PACKED (struct { - /* Set to 0. */ - u8 version; - - srp_control_packet_type_t type : 8; - - /* IP4-like checksum of packet starting with start of control header. */ - u16 checksum; - - u16 ttl; -}) srp_control_header_t; - -typedef struct { - srp_header_t srp; - ethernet_header_t ethernet; - srp_control_header_t control; -} srp_generic_control_header_t; - -typedef struct { - u8 flags; -#define SRP_TOPOLOGY_MAC_BINDING_FLAG_IS_INNER_RING (1 << 6) -#define SRP_TOPOLOGY_MAC_BINDING_FLAG_IS_WRAPPED (1 << 5) - - /* MAC address. */ - u8 address[6]; -} srp_topology_mac_binding_t; - -typedef CLIB_PACKED (struct { - srp_header_t srp; - ethernet_header_t ethernet; - srp_control_header_t control; - - /* Length in bytes of data that follows. */ - u16 n_bytes_of_data_that_follows; - - /* MAC address of originator of this topology request. */ - u8 originator_address[6]; - - /* Bindings follow. */ - srp_topology_mac_binding_t bindings[0]; -}) srp_topology_header_t; - -#define foreach_srp_ips_request_type \ - _ (idle, 0x0) \ - _ (wait_to_restore, 0x5) \ - _ (manual_switch, 0x6) \ - _ (signal_degrade, 0x8) \ - _ (signal_fail, 0xb) \ - _ (forced_switch, 0xd) - -typedef enum { -#define _(f,n) SRP_IPS_REQUEST_##f = n, - foreach_srp_ips_request_type -#undef _ -} srp_ips_request_type_t; - -#define foreach_srp_ips_status \ - _ (idle, 0x0) \ - _ (wrapped, 0x2) - -typedef enum { -#define _(f,n) SRP_IPS_STATUS_##f = n, - foreach_srp_ips_status -#undef _ -} srp_ips_status_t; - -typedef struct { - srp_header_t srp; - ethernet_header_t ethernet; - srp_control_header_t control; - u8 originator_address[6]; - - union { - u8 ips_octet; - - struct { -#if CLIB_ARCH_IS_BIG_ENDIAN - u8 request_type : 4; - u8 is_long_path : 1; - u8 status : 3; -#endif -#if CLIB_ARCH_IS_LITTLE_ENDIAN - u8 status : 3; - u8 is_long_path : 1; - u8 request_type : 4; -#endif - }; - }; - - u8 reserved; -} srp_ips_header_t; - -#endif /* included_srp_packet_h */ |