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/* Hey Emacs use -*- mode: C -*- */
/*
* tracedump.api - streaming packet trace dump API
*
* Copyright (c) 2020 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.
*/
/**
* @file tracedump.api
* @brief VPP control-plane API messages.
*
* This file defines VPP control-plane binary API messages which are generally
* called through a shared memory interface.
*/
option version = "0.1.0";
enum trace_filter_flag : u32
{
TRACE_FF_NONE = 0,
TRACE_FF_INCLUDE_NODE = 1,
TRACE_FF_EXCLUDE_NODE = 2,
TRACE_FF_INCLUDE_CLASSIFIER = 3,
TRACE_FF_EXCLUDE_CLASSIFIER = 4,
};
/** \brief trace_set_filters
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param flag - One of the trace_filter_flag values
@param node_index = The node-index to include/exclude
@param classifier_table_index = The include/exclude classifier table
@param count = The number of packets to include/exclude
*/
autoreply define trace_set_filters
{
u32 client_index;
u32 context;
vl_api_trace_filter_flag_t flag; /* TRACE_FF_* */
u32 count;
u32 node_index [default = 0xffffffff];
u32 classifier_table_index [default = 0xffffffff];
option vat_help = "trace_set_filters [none] | [(include_node|exclude_node) <node-index>] | [(include_classifier|exclude_classifier) <classifier-index>] [count <count>]";
};
/** \brief trace_capture_packets
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param node_index - graph input node whose packets are captured
@param max_packets - maximum number of packets to capture
@param use_filter - if true, apply filters to select/reject packets
@param verbose - if true, set verbose packet capture flag
@param pre_capture_clear - if true, clear buffer before capture begins
*/
autoreply define trace_capture_packets
{
u32 client_index;
u32 context;
u32 node_index;
u32 max_packets;
bool use_filter;
bool verbose;
bool pre_capture_clear;
option vat_help = "trace_capture_packets [node_index <index>] [max <max>] [pre_capture_clear] [use_filter] [verbose]";
};
/** \brief trace_clear_capture
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
autoreply define trace_clear_capture
{
u32 client_index;
u32 context;
option vat_help = "trace_clear_capture";
};
service {
rpc trace_dump returns trace_dump_reply
stream trace_details;
};
define trace_dump {
/* Client identifier, set from api_main.my_client_index */
u32 client_index;
/* Arbitrary context, so client can match reply to request */
u32 context;
/* Dispose of any cached data before we begin */
u8 clear_cache;
/* iterator positions, both ~0 to just clear the cache */
u32 thread_id;
u32 position;
/* Max number of replies per burst */
u32 max_records;
option vat_help = "trace_dump [thread_id <tid>] [position <pos>] [max <max>]";
};
define trace_dump_reply {
u32 context;
i32 retval;
u32 last_thread_id;
u32 last_position;
u8 more_this_thread;
u8 more_threads;
u8 flush_only;
u8 done;
};
define trace_details {
/* Client identifier, set from api_main.my_client_index */
u32 client_index;
/* Arbitrary context, so client can match reply to request */
u32 context;
/* Position in the cache of this record */
u32 thread_id;
u32 position;
/* More or not */
u8 more_this_thread;
u8 more_threads;
/* Needed when set ends in the middle of a batch */
u8 done;
u32 packet_number;
string trace_data[];
};
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