/usr/src/openvswitch-1.4.0/ofproto/netflow.h is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /*
* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
*
* 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 NETFLOW_H
#define NETFLOW_H 1
#include <stdint.h>
#include "flow.h"
#include "sset.h"
/* Default active timeout interval, in seconds.
*
* (The active timeout interval is the interval at which NetFlow records are
* sent for flows that do not expire, so that such flows are still
* accounted.) */
#define NF_ACTIVE_TIMEOUT_DEFAULT 600
struct ofexpired;
struct netflow_options {
struct sset collectors;
uint8_t engine_type;
uint8_t engine_id;
int active_timeout;
bool add_id_to_iface;
};
enum netflow_output_ports {
NF_OUT_FLOOD = UINT16_MAX,
NF_OUT_MULTI = UINT16_MAX - 1,
NF_OUT_DROP = UINT16_MAX - 2
};
struct netflow_flow {
long long int last_expired; /* Time this flow last timed out. */
long long int created; /* Time flow was created since time out. */
uint64_t packet_count_off; /* Packet count at last time out. */
uint64_t byte_count_off; /* Byte count at last time out. */
uint16_t output_iface; /* Output interface index. */
uint8_t tcp_flags; /* Bitwise-OR of all TCP flags seen. */
};
struct netflow *netflow_create(void);
void netflow_destroy(struct netflow *);
int netflow_set_options(struct netflow *, const struct netflow_options *);
void netflow_expire(struct netflow *, struct netflow_flow *,
struct ofexpired *);
bool netflow_run(struct netflow *);
void netflow_wait(struct netflow *);
void netflow_flow_init(struct netflow_flow *);
void netflow_flow_clear(struct netflow_flow *);
void netflow_flow_update_time(struct netflow *, struct netflow_flow *,
long long int used);
void netflow_flow_update_flags(struct netflow_flow *, uint8_t tcp_flags);
bool netflow_active_timeout_expired(struct netflow *, struct netflow_flow *);
#endif /* netflow.h */
|