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/*
// Copyright (c) 2010-2017 Intel Corporation
//
// 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.
*/
#ifndef _GENL4_BUNDLE_H_
#define _GENL4_BUNDLE_H_
#include "heap.h"
#include "genl4_stream.h"
#include "lconf.h"
/* Configured once and used during packet generation. The structure
describes a single set of consecutive streams. When used at the
server side, it only contains a simple stream to represent a
service. */
struct bundle_cfg {
struct host_set clients;
uint32_t n_stream_cfgs;
struct stream_cfg **stream_cfgs;
};
/* A bundle_ctx represents a an active stream between a client and a
server of servers. */
struct bundle_ctx {
struct pkt_tuple tuple; /* Client IP/PORT generated once at bundle creation time, client PORT and server IP/PORT created when stream_idx++ */
struct heap_ref heap_ref; /* Back reference into heap */
struct heap *heap; /* timer management */
const struct bundle_cfg *cfg; /* configuration time read only structure */
struct stream_ctx ctx; /* state management info for stream_cfg (reset when stream_idx++) */
uint32_t stream_idx; /* iterate through cfg->straem_cfgs */
};
#define BUNDLE_CTX_UPCAST(r) ((struct bundle_ctx *)((uint8_t *)r - offsetof(struct bundle_ctx, heap_ref)))
struct bundle_ctx_pool {
struct rte_hash *hash;
struct bundle_ctx **hash_entries;
struct bundle_ctx **free_bundles;
struct bundle_ctx *bundles; /* Memory containing all communications */
uint32_t *occur;
struct bundle_cfg *bundle_cfg;
uint32_t n_occur;
uint32_t seed;
uint32_t n_free_bundles;
uint32_t tot_bundles;
};
struct l4_stats {
uint64_t bundles_created;
uint64_t tcp_finished_no_retransmit;
uint64_t tcp_finished_retransmit;
uint64_t udp_finished;
uint64_t tcp_created;
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