vpp - Vector Packet Processing

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Diffstat (limited to 'src/vnet/mfib/mfib_entry.h')

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1 files changed, 2 insertions, 0 deletions

/* * 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; u32 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: */


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