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Diffstat (limited to 'vnet/vnet/snap/snap.h')
-rw-r--r-- | vnet/vnet/snap/snap.h | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/vnet/vnet/snap/snap.h b/vnet/vnet/snap/snap.h deleted file mode 100644 index dbba15bf3f7..00000000000 --- a/vnet/vnet/snap/snap.h +++ /dev/null @@ -1,209 +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. - */ -/* - * snap.h: SNAP definitions - * - * 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_snap_h -#define included_snap_h - -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> - -#define foreach_ieee_oui \ - _ (0x000000, ethernet) \ - _ (0x00000c, cisco) - -typedef enum -{ -#define _(n,f) IEEE_OUI_##f = n, - foreach_ieee_oui -#undef _ -} ieee_oui_t; - -#define foreach_snap_cisco_protocol \ - _ (0x0102, drip) \ - _ (0x0104, port_aggregation_protocol) \ - _ (0x0105, mls_hello) \ - _ (0x010b, per_vlan_spanning_tree) \ - _ (0x010c, vlan_bridge) \ - _ (0x0111, unidirectional_link_detection) \ - _ (0x2000, cdp) \ - _ (0x2001, cgmp) \ - _ (0x2003, vtp) \ - _ (0x2004, dtp) \ - _ (0x200a, stp_uplink_fast) - -typedef enum -{ -#define _(n,f) SNAP_cisco_##f = n, - foreach_snap_cisco_protocol -#undef _ -} snap_cisco_protocol_t; - -typedef union -{ - /* *INDENT-OFF* */ - CLIB_PACKED (struct { - /* OUI: organization unique identifier. */ - u8 oui[3]; - - /* Per-OUI protocol. */ - u16 protocol; - }); - /* *INDENT-ON* */ - - u8 as_u8[5]; -} snap_header_t; - -typedef struct -{ - u32 oui; - u32 protocol; -} snap_oui_and_protocol_t; - -typedef struct -{ - /* Name vector string. */ - u8 *name; - - snap_oui_and_protocol_t oui_and_protocol; - - /* Node which handles this type. */ - u32 node_index; - - /* snap-input next index for this type. */ - u32 next_index; -} snap_protocol_info_t; - -always_inline void -snap_header_set_protocol (snap_header_t * h, snap_oui_and_protocol_t * p) -{ - u16 protocol = p->protocol; - u32 oui = p->oui; - h->protocol = clib_host_to_net_u16 (protocol); - h->oui[0] = (oui >> 16) & 0xff; - h->oui[1] = (oui >> 8) & 0xff; - h->oui[2] = (oui >> 0) & 0xff; -} - -#define foreach_snap_error \ - _ (NONE, "no error") \ - _ (UNKNOWN_PROTOCOL, "unknown oui/snap protocol") - -typedef enum -{ -#define _(f,s) SNAP_ERROR_##f, - foreach_snap_error -#undef _ - SNAP_N_ERROR, -} snap_error_t; - -typedef struct -{ - vlib_main_t *vlib_main; - - /* Vector of known SNAP oui/protocol pairs. */ - snap_protocol_info_t *protocols; - - /* Hash table mapping oui/protocol to protocol index. */ - mhash_t protocol_hash; - - /* Hash table mapping protocol by name. */ - uword *protocol_info_by_name; -} snap_main_t; - -always_inline u32 -snap_header_get_oui (snap_header_t * h) -{ - return (h->oui[0] << 16) | (h->oui[1] << 8) | h->oui[2]; -} - -always_inline snap_protocol_info_t * -snap_get_protocol_info (snap_main_t * sm, snap_header_t * h) -{ - snap_oui_and_protocol_t key; - uword *p; - - key.oui = snap_header_get_oui (h); - key.protocol = h->protocol; - - p = mhash_get (&sm->protocol_hash, &key); - return p ? vec_elt_at_index (sm->protocols, p[0]) : 0; -} - -snap_main_t snap_main; - -/* Register given node index to take input for given snap type. */ -void -snap_register_input_protocol (vlib_main_t * vm, - char *name, - u32 ieee_oui, u16 protocol, u32 node_index); - -void snap_set_adjacency (vnet_rewrite_header_t * rw, - uword max_data_bytes, u32 ieee_oui, u16 protocol); - -format_function_t format_snap_protocol; -format_function_t format_snap_header; -format_function_t format_snap_header_with_length; - -/* Parse snap protocol as 0xXXXX or protocol name. */ -unformat_function_t unformat_snap_protocol; - -/* Parse snap header. */ -unformat_function_t unformat_snap_header; -unformat_function_t unformat_pg_snap_header; - -always_inline void -snap_setup_node (vlib_main_t * vm, u32 node_index) -{ - vlib_node_t *n = vlib_get_node (vm, node_index); - pg_node_t *pn = pg_get_node (node_index); - - n->format_buffer = format_snap_header_with_length; - n->unformat_buffer = unformat_snap_header; - pn->unformat_edit = unformat_pg_snap_header; -} - -#endif /* included_snap_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |