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_test.c | 185 +++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 src/plugins/tracedump/graph_test.c (limited to 'src/plugins/tracedump/graph_test.c') diff --git a/src/plugins/tracedump/graph_test.c b/src/plugins/tracedump/graph_test.c new file mode 100644 index 00000000000..79e1df61c5f --- /dev/null +++ b/src/plugins/tracedump/graph_test.c @@ -0,0 +1,185 @@ +/* + * Copyright (c) 2020 cisco + * 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 + +#define __plugin_msg_base graph_test_main.msg_id_base +#include + +#include +#include +#include +#include + +typedef struct +{ + u16 msg_id_base; + u32 ping_id; + vat_main_t *vat_main; +} graph_test_main_t; + +graph_test_main_t graph_test_main; + + +uword +api_unformat_node_index (unformat_input_t * input, va_list * args) +{ + u32 *result = va_arg (*args, u32 *); + + return unformat (input, "%u", result); +} + + +static void +vl_api_graph_node_get_reply_t_handler (vl_api_graph_node_get_reply_t * mp) +{ + vat_main_t *vam = &vat_main; + + clib_warning ("Next node index: %u\n", mp->cursor); + vam->result_ready = 1; +} + +int +api_graph_node_get (vat_main_t * vam) +{ + graph_test_main_t *gtm = &graph_test_main; + unformat_input_t *i = vam->input; + vl_api_graph_node_get_t *mp; + vl_api_control_ping_t *mp_ping; + u32 node_index; + char *node_name; + u32 flags; + bool want_arcs; + + if (vam->json_output) + { + clib_warning ("JSON output not supported for graph_node_get"); + return -99; + } + + node_index = ~0; + node_name = 0; + flags = 0; + want_arcs = false; + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "node_index %u", &node_index)) + ; + else if (unformat (i, "node_name %s", &node_name)) + ; + else if (unformat (i, "want_arcs")) + want_arcs = true; + else if (unformat (i, "trace_supported")) + flags |= NODE_FLAG_TRACE_SUPPORTED; + else if (unformat (i, "input")) + flags |= NODE_FLAG_TRACE_SUPPORTED; + else if (unformat (i, "drop")) + flags |= NODE_FLAG_IS_DROP; + else if (unformat (i, "ouptput")) + flags |= NODE_FLAG_IS_OUTPUT; + else if (unformat (i, "punt")) + flags |= NODE_FLAG_IS_PUNT; + else if (unformat (i, "handoff")) + flags |= NODE_FLAG_IS_HANDOFF; + else if (unformat (i, "no_free")) + flags |= NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH; + else if (unformat (i, "polling")) + flags |= NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE; + else if (unformat (i, "interrupt")) + flags |= NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE; + else + { + clib_warning ("Unknown input: %U\n", format_unformat_error, i); + return -99; + } + } + + M (GRAPH_NODE_GET, mp); + mp->index = htonl (node_index); + mp->flags = htonl (flags); + mp->want_arcs = want_arcs; + + if (node_name && node_name[0]) + clib_strncpy ((char *) mp->name, node_name, sizeof (mp->name) - 1); + + int ret = 0; + S (mp); + + if (!gtm->ping_id) + gtm->ping_id = + vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC)); + + mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); + mp_ping->_vl_msg_id = htons (gtm->ping_id); + mp_ping->client_index = vam->my_client_index; + + S (mp_ping); + W (ret); + + return ret; +} + +void +vl_api_graph_node_details_t_handler (vl_api_graph_node_details_t * mp) +{ + vat_main_t *vam = &vat_main; + u32 n_arcs; + int i; + + fformat (vam->ofp, + "Node: %s Index:%d Flags:0x%x\n", + mp->name, ntohl (mp->index), ntohl (mp->flags)); + + n_arcs = ntohl (mp->n_arcs); + for (i = 0; i < n_arcs; ++i) + { + u32 node_index = ntohl (mp->arcs_out[i]); + fformat (vam->ofp, " next: %d\n", node_index); + } +} + +void +vl_api_graph_node_details_t_handler_json (vl_api_graph_node_details_t * mp) +{ + clib_error ("graph_node_details JSON not supported"); +} + +/* Override generated plugin register symbol */ +#define vat_plugin_register graph_test_vat_plugin_register +#include + +static clib_error_t * +graph_api_hookup_shim (vlib_main_t * vm) +{ + graph_test_vat_plugin_register (&vat_main); + return 0; +} + +VLIB_API_INIT_FUNCTION (graph_api_hookup_shim); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg