From c0b195450b31f7092834c0f14a27ca929faf8bca Mon Sep 17 00:00:00 2001 From: Jon Loeliger Date: Mon, 11 May 2020 08:43:51 -0500 Subject: feature: Add packet trace API Also spiffed up the vpp_api_test plugin loader so it executes VLIB_INIT_FUNCTIONs and VLIB_API_INIT_FUNCTIONs. Type: feature Change-Id: Id9a4f455d73738c41bcfea220df2112bb9679681 Signed-off-by: Jon Loeliger Signed-off-by: Ole Troan Signed-off-by: Dave Barach --- src/plugins/tracedump/graph_cli.c | 148 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 src/plugins/tracedump/graph_cli.c (limited to 'src/plugins/tracedump/graph_cli.c') diff --git a/src/plugins/tracedump/graph_cli.c b/src/plugins/tracedump/graph_cli.c new file mode 100644 index 00000000000..2440295a1a7 --- /dev/null +++ b/src/plugins/tracedump/graph_cli.c @@ -0,0 +1,148 @@ +/* Hey Emacs use -*- mode: C -*- */ +/* + * Copyright 2020 Rubicon Communications, LLC. + * + * 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. + */ + +#include +#include + +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +static void graph_node_print (vlib_main_t *vm, vlib_node_t *n, bool want_arcs) +{ + vlib_cli_output (vm, "Node (%4d): %v, Flags: 0x%x\n", + n->index, n->name, n->flags); + if (!want_arcs) + return; + + int i; + int n_arcs = vec_len (n->next_nodes); + for (i = 0; i < n_arcs; ++i) + { + vlib_cli_output (vm, " next: %d\n", n->next_nodes[i]); + } +} + + +static int +node_cmp (void *a1, void *a2) +{ + vlib_node_t **n1 = a1; + vlib_node_t **n2 = a2; + + return vec_cmp (n1[0]->name, n2[0]->name); +} + +static clib_error_t * +graph_node_show_cmd (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + vlib_node_main_t *nm = &vm->node_main; + vlib_node_t *n; + u32 index; + u8 *name; + u32 flags; + bool want_arcs; + + index = ~0; + name = 0; + flags = 0; + want_arcs = false; + n = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "node %d", &index)) + n = vlib_get_node (vm, index); + else if (unformat (input, "node %v", &name)) + n = vlib_get_node_by_name (vm, name); + + else if (unformat (input, "want_arcs")) + want_arcs = true; + + else if (unformat (input, "trace_supported")) + flags |= NODE_FLAG_TRACE_SUPPORTED; + else if (unformat (input, "input")) + flags |= NODE_FLAG_TRACE_SUPPORTED; + else if (unformat (input, "drop")) + flags |= NODE_FLAG_IS_DROP; + else if (unformat (input, "output")) + flags |= NODE_FLAG_IS_OUTPUT; + else if (unformat (input, "punt")) + flags |= NODE_FLAG_IS_PUNT; + else if (unformat (input, "handoff")) + flags |= NODE_FLAG_IS_HANDOFF; + else if (unformat (input, "no_free")) + flags |= NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH; + else if (unformat (input, "polling")) + flags |= NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE; + else if (unformat (input, "interrupt")) + flags |= NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE; + + else + return clib_error_return (0, "unknown input '%U'", + format_unformat_error, input); + } + + /* + * Just one node requested? Ignore flags. + */ + if (n) { + graph_node_print (vm, n, want_arcs); + return 0; + } + + vlib_node_t **nodes = vec_dup (nm->nodes); + uword i; + + vec_sort_with_function (nodes, node_cmp); + + for (i = 0; i < vec_len (nodes); ++i) + { + if (flags == 0 || (flags & nodes[i]->flags)) + { + graph_node_print (vm, nodes[i], want_arcs); + } + } + + vec_free (nodes); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (graph_node_show_command, static) = { + .path = "show graph", + .short_help = "show graph [node |] [want_arcs] [input|trace_supported] [drop] [output] [punt] [handoff] [no_free] [polling] [interrupt]", + .function = graph_node_show_cmd, +}; +/* *INDENT-ON* */ + + +/* + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg