/* * 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. */ /* * error.c: VLIB error handler * * 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. */ #include #include uword vlib_error_drop_buffers (vlib_main_t * vm, vlib_node_runtime_t * node, u32 * buffers, u32 next_buffer_stride, u32 n_buffers, u32 next_index, u32 drop_error_node, u32 drop_error_code) { u32 n_left_this_frame, n_buffers_left, *args, n_args_left; vlib_error_t drop_error; drop_error = vlib_error_set (drop_error_node, drop_error_code); n_buffers_left = n_buffers; while (n_buffers_left > 0) { vlib_get_next_frame (vm, node, next_index, args, n_args_left); n_left_this_frame = clib_min (n_buffers_left, n_args_left); n_buffers_left -= n_left_this_frame; n_args_left -= n_left_this_frame; while (n_left_this_frame >= 4) { u32 bi0, bi1, bi2, bi3; vlib_buffer_t *b0, *b1, *b2, *b3; args[0] = bi0 = buffers[0]; args[1] = bi1 = buffers[1]; args[2] = bi2 = buffers[2]; args[3] = bi3 = buffers[3]; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); b2 = vlib_get_buffer (vm, bi2); b3 = vlib_get_buffer (vm, bi3); b0->error = drop_error; b1->error = drop_error; b2->error = drop_error; b3->error = drop_error; buffers += 4; args += 4; n_left_this_frame -= 4; } while (n_left_this_frame >= 1) { u32 bi0; vlib_buffer_t *b0; args[0] = bi0 = buffers[0]; b0 = vlib_get_buffer (vm, bi0); b0->error = drop_error; buffers += 1; args += 1; n_left_this_frame -= 1; } vlib_put_next_frame (vm, node, next_index, n_args_left); } return n_buffers; } void vlib_stats_register_error_index (u8 *, u64 *, u64) __attribute__ ((weak)); void vlib_stats_register_error_index (u8 * notused, u64 * notused2, u64 notused3) { }; void vlib_stats_pop_heap2 (void *, u32, void *) __attribute__ ((weak)); void vlib_stats_pop_heap2 (void *notused, u32 notused2, void *notused3) { }; /* Reserves given number of error codes for given node. */ void vlib_register_errors (vlib_main_t * vm, u32 node_index, u32 n_errors, char *error_strings[]) { vlib_error_main_t *em = &vm->error_main; vlib_node_t *n = vlib_get_node (vm, node_index); uword l; void *oldheap; void *vlib_stats_push_heap (void) __attribute__ ((weak)); ASSERT (vlib_get_thread_index () == 0); /* Free up any previous error strings. */ if (n->n_errors > 0) heap_dealloc (em->error_st