diff options
Diffstat (limited to 'vnet/vnet/snap/snap.c')
| -rw-r--r-- | vnet/vnet/snap/snap.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/vnet/vnet/snap/snap.c b/vnet/vnet/snap/snap.c deleted file mode 100644 index 64482bfcfbb..00000000000 --- a/vnet/vnet/snap/snap.c +++ /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. - */ -/* - * snap.c: snap support - * - * Copyright (c) 2010 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. - */ - -#include <vnet/vnet.h> -#include <vnet/snap/snap.h> -#include <vnet/ethernet/ethernet.h> - -/* Global main structure. */ -snap_main_t snap_main; - -static u8 * -format_cisco_snap_protocol (u8 * s, va_list * args) -{ - snap_header_t *h = va_arg (*args, snap_header_t *); - u16 protocol = clib_net_to_host_u16 (h->protocol); - char *t = 0; - switch (protocol) - { -#define _(n,f) case n: t = #f; break; - foreach_snap_cisco_protocol; -#undef _ - default: - break; - } - if (t) - return format (s, "%s", t); - else - return format (s, "unknown 0x%x", protocol); -} - -u8 * -format_snap_protocol (u8 * s, va_list * args) -{ - snap_header_t *h = va_arg (*args, snap_header_t *); - u32 oui = snap_header_get_oui (h); - u16 protocol = clib_net_to_host_u16 (h->protocol); - - switch (oui) - { - case IEEE_OUI_ethernet: - return format (s, "ethernet %U", format_ethernet_type, h->protocol); - - case IEEE_OUI_cisco: - return format (s, "cisco %U", format_cisco_snap_protocol, h); - - default: - return format (s, "oui 0x%06x 0x%04x", oui, protocol); - } -} - -u8 * -format_snap_header_with_length (u8 * s, va_list * args) -{ - snap_main_t *sm = &snap_main; - snap_header_t *h = va_arg (*args, snap_header_t *); - snap_protocol_info_t *pi = snap_get_protocol_info (sm, h); - u32 max_header_bytes = va_arg (*args, u32); - uword indent, header_bytes; - - header_bytes = sizeof (h[0]); - if (max_header_bytes != 0 && header_bytes > max_header_bytes) - return format (s, "snap header truncated"); - - indent = format_get_indent (s); - - s = format (s, "SNAP %U", format_snap_protocol, h); - - if (max_header_bytes != 0 && header_bytes > max_header_bytes && pi != 0) - { - vlib_node_t *node = vlib_get_node (sm->vlib_main, pi->node_index); - if (node->format_buffer) - s = format (s, "\n%U%U", - format_white_space, indent, - node->format_buffer, (void *) (h + 1), - max_header_bytes - header_bytes); - } - - return s; -} - -u8 * -format_snap_header (u8 * s, va_list * args) -{ - snap_header_t *h = va_arg (*args, snap_header_t *); - return format (s, "%U", format_snap_header_with_length, h, 0); -} - -/* Returns snap protocol as an int in host byte order. */ -uword -unformat_snap_protocol (unformat_input_t * input, va_list * args) -{ - snap_header_t *result = va_arg (*args, snap_header_t *); - snap_main_t *sm = &snap_main; - snap_oui_and_protocol_t p; - u32 i; - - /* Numeric type. */ - if (unformat (input, "0x%x 0x%x", &p.oui, &p.protocol)) - { - if (p.oui >= (1 << 24)) - return 0; - if (p.protocol >= (1 << 16)) - return 0; - } - - /* Named type. */ - else if (unformat_user (input, unformat_vlib_number_by_name, - sm->protocol_info_by_name, &i)) - { - snap_protocol_info_t *pi = vec_elt_at_index (sm->protocols, i); - p = pi->oui_and_protocol; - } - - else - return 0; - - snap_header_set_protocol (result, &p); - return 1; -} - -uword -unformat_snap_header (unformat_input_t * input, va_list * args) -{ - u8 **result = va_arg (*args, u8 **); - snap_header_t _h, *h = &_h; - - if (!unformat (input, "%U", unformat_snap_protocol, h)) - return 0; - - /* Add header to result. */ - { - void *p; - u32 n_bytes = sizeof (h[0]); - - vec_add2 (*result, p, n_bytes); - clib_memcpy (p, h, n_bytes); - } - - return 1; -} - -static clib_error_t * -snap_init (vlib_main_t * vm) -{ - snap_main_t *sm = &snap_main; - - memset (sm, 0, sizeof (sm[0])); - sm->vlib_main = vm; - - mhash_init (&sm->protocol_hash, sizeof (uword), - sizeof (snap_oui_and_protocol_t)); - - sm->protocol_info_by_name - = hash_create_string ( /* elts */ 0, sizeof (uword)); - - return vlib_call_init_function (vm, snap_input_init); -} - -VLIB_INIT_FUNCTION (snap_init); - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |