+++ /dev/null
-/*
- * 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.
- */
-/*
- * osi.c: osi 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/osi/osi.h>
-
-/* Global main structure. */
-osi_main_t osi_main;
-
-u8 *
-format_osi_protocol (u8 * s, va_list * args)
-{
- osi_protocol_t p = va_arg (*args, u32);
- osi_main_t *pm = &osi_main;
- osi_protocol_info_t *pi = osi_get_protocol_info (pm, p);
-
- if (pi)
- s = format (s, "%s", pi->name);
- else
- s = format (s, "0x%02x", p);
-
- return s;
-}
-
-u8 *
-format_osi_header_with_length (u8 * s, va_list * args)
-{
- osi_main_t *pm = &osi_main;
- osi_header_t *h = va_arg (*args, osi_header_t *);
- u32 max_header_bytes = va_arg (*args, u32);
- osi_protocol_t p = h->protocol;
- uword indent, header_bytes;
-
- header_bytes = sizeof (h[0]);
- if (max_header_bytes != 0 && header_bytes > max_header_bytes)
- return format (s, "osi header truncated");
-
- indent = format_get_indent (s);
-
- s = format (s, "OSI %U", format_osi_protocol, p);
-
- if (max_header_bytes != 0 && header_bytes > max_header_bytes)
- {
- osi_protocol_info_t *pi = osi_get_protocol_info (pm, p);
- vlib_node_t *node = vlib_get_node (pm->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_osi_header (u8 * s, va_list * args)
-{
- osi_header_t *h = va_arg (*args, osi_header_t *);
- return format (s, "%U", format_osi_header_with_length, h, 0);
-}
-
-/* Returns osi protocol as an int in host byte order. */
-uword
-unformat_osi_protocol (unformat_input_t * input, va_list * args)
-{
- u8 *result = va_arg (*args, u8 *);
- osi_main_t *pm = &osi_main;
- int p, i;
-
- /* Numeric type. */
- if (unformat (input, "0x%x", &p) || unformat (input, "%d", &p))
- {
- if (p >= (1 << 8))
- return 0;
- *result = p;
- return 1;
- }
-
- /* Named type. */
- if (unformat_user (input, unformat_vlib_number_by_name,
- pm->protocol_info_by_name, &i))
- {
- osi_protocol_info_t *pi = vec_elt_at_index (pm->protocol_infos, i);
- *result = pi->protocol;
- return 1;
- }
-
- return 0;
-}
-
-uword
-unformat_osi_header (unformat_input_t * input, va_list * args)
-{
- u8 **result = va_arg (*args, u8 **);
- osi_header_t _h, *h = &_h;
- u8 p;
-
- if (!unformat (input, "%U", unformat_osi_protocol, &p))
- return 0;
-
- h->protocol = p;
-
- /* 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 void
-add_protocol (osi_main_t * pm, osi_protocol_t protocol, char *protocol_name)
-{
- osi_protocol_info_t *pi;
- u32 i;
-
- vec_add2 (pm->protocol_infos, pi, 1);
- i = pi - pm->protocol_infos;
-
- pi->name = protocol_name;
- pi->protocol = protocol;
- pi->next_index = pi->node_index = ~0;
-
- hash_set (pm->protocol_info_by_protocol, protocol, i);
- hash_set_mem (pm->protocol_info_by_name, pi->name, i);
-}
-
-static clib_error_t *
-osi_init (vlib_main_t * vm)
-{
- clib_error_t *error = 0;
- osi_main_t *pm = &osi_main;
-
- /* init order dependency: llc_init -> osi_init */
- if ((error = vlib_call_init_function (vm, llc_init)))
- return error;
-
- memset (pm, 0, sizeof (pm[0]));
- pm->vlib_main = vm;
-
- pm->protocol_info_by_name = hash_create_string (0, sizeof (uword));
- pm->protocol_info_by_protocol = hash_create (0, sizeof (uword));
-
-#define _(f,n) add_protocol (pm, OSI_PROTOCOL_##f, #f);
- foreach_osi_protocol;
-#undef _
-
- return vlib_call_init_function (vm, osi_input_init);
-}
-
-VLIB_INIT_FUNCTION (osi_init);
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff