suricata
util-device.h
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1 /* Copyright (C) 2011-2016 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 #ifndef __UTIL_DEVICE_H__
19 #define __UTIL_DEVICE_H__
20 
21 #include "queue.h"
22 #include "unix-manager.h"
23 
24 #define OFFLOAD_FLAG_SG (1<<0)
25 #define OFFLOAD_FLAG_TSO (1<<1)
26 #define OFFLOAD_FLAG_GSO (1<<2)
27 #define OFFLOAD_FLAG_GRO (1<<3)
28 #define OFFLOAD_FLAG_LRO (1<<4)
29 #define OFFLOAD_FLAG_RXCSUM (1<<5)
30 #define OFFLOAD_FLAG_TXCSUM (1<<6)
31 #define OFFLOAD_FLAG_TOE (1<<7)
32 
33 void LiveSetOffloadDisable(void);
34 void LiveSetOffloadWarn(void);
35 int LiveGetOffload(void);
36 
37 #define MAX_DEVNAME 10
38 
39 /** storage for live device names */
40 typedef struct LiveDevice_ {
41  char *dev; /**< the device (e.g. "eth0") */
44 
46  int id;
47 
48  SC_ATOMIC_DECLARE(uint64_t, pkts);
49  SC_ATOMIC_DECLARE(uint64_t, drop);
50  SC_ATOMIC_DECLARE(uint64_t, bypassed);
51  SC_ATOMIC_DECLARE(uint64_t, invalid_checksums);
53 
54  uint32_t tenant_id; /**< tenant id in multi-tenancy */
55  uint32_t offload_orig; /**< original offload settings to restore @exit */
56 } LiveDevice;
57 
58 typedef struct LiveDeviceName_ {
59  char *dev; /**< the device (e.g. "eth0") */
60  TAILQ_ENTRY(LiveDeviceName_) next;
62 
63 void LiveDevRegisterExtension(void);
64 
65 int LiveRegisterDeviceName(const char *dev);
66 int LiveRegisterDevice(const char *dev);
68 void LiveDevSetBypassStats(LiveDevice *dev, uint64_t cnt, int family);
69 void LiveDevAddBypassStats(LiveDevice *dev, uint64_t cnt, int family);
70 void LiveDevSubBypassStats(LiveDevice *dev, uint64_t cnt, int family);
71 void LiveDevAddBypassFail(LiveDevice *dev, uint64_t cnt, int family);
72 void LiveDevAddBypassSuccess(LiveDevice *dev, uint64_t cnt, int family);
73 int LiveGetDeviceCount(void);
74 const char *LiveGetDeviceName(int number);
75 LiveDevice *LiveGetDevice(const char *dev);
76 const char *LiveGetShortName(const char *dev);
77 int LiveBuildDeviceList(const char *base);
78 void LiveDeviceHasNoStats(void);
79 int LiveDeviceListClean(void);
80 int LiveBuildDeviceListCustom(const char *base, const char *itemname);
81 
83 
84 void LiveDeviceFinalize(void);
85 
86 #ifdef BUILD_UNIX_SOCKET
87 TmEcode LiveDeviceIfaceStat(json_t *cmd, json_t *server_msg, void *data);
88 TmEcode LiveDeviceIfaceList(json_t *cmd, json_t *server_msg, void *data);
89 TmEcode LiveDeviceGetBypassedStats(json_t *cmd, json_t *answer, void *data);
90 #endif
91 
92 #endif /* __UTIL_DEVICE_H__ */
void LiveSetOffloadWarn(void)
Definition: util-device.c:73
SC_ATOMIC_DECLARE(uint64_t, pkts)
uint32_t offload_orig
Definition: util-device.h:55
struct HtpBodyChunk_ * next
void LiveDevAddBypassSuccess(LiveDevice *dev, uint64_t cnt, int family)
Definition: util-device.c:584
char dev_short[MAX_DEVNAME+1]
Definition: util-device.h:42
int LiveRegisterDevice(const char *dev)
Add a pcap device for monitoring and create structure.
Definition: util-device.c:123
LiveDevice * LiveDeviceForEach(LiveDevice **ldev, LiveDevice **ndev)
Definition: util-device.c:432
char * dev
Definition: util-device.h:41
int LiveGetOffload(void)
Definition: util-device.c:78
int LiveBuildDeviceList(const char *base)
Definition: util-device.c:289
#define MAX_DEVNAME
Definition: util-device.h:37
void LiveDevAddBypassStats(LiveDevice *dev, uint64_t cnt, int family)
Definition: util-device.c:527
int LiveRegisterDeviceName(const char *dev)
Add a device for monitoring.
Definition: util-device.c:94
void LiveSetOffloadDisable(void)
Definition: util-device.c:68
const char * LiveGetShortName(const char *dev)
Definition: util-device.c:281
const char * LiveGetDeviceName(int number)
Get a pointer to the device name at idx.
Definition: util-device.c:180
LiveDevice * LiveGetDevice(const char *dev)
Get a pointer to the device at idx.
Definition: util-device.c:260
int LiveBuildDeviceListCustom(const char *base, const char *itemname)
Definition: util-device.c:294
int ignore_checksum
Definition: util-device.h:45
int LiveDeviceListClean(void)
Definition: util-device.c:329
void LiveDevRegisterExtension(void)
Definition: util-device.c:477
uint32_t tenant_id
Definition: util-device.h:54
void LiveDeviceFinalize(void)
Definition: util-device.c:454
int LiveGetDeviceCount(void)
Get the number of registered devices.
Definition: util-device.c:160
void LiveDeviceHasNoStats(void)
Definition: util-device.c:324
void LiveDevSubBypassStats(LiveDevice *dev, uint64_t cnt, int family)
Definition: util-device.c:546
void LiveDevSetBypassStats(LiveDevice *dev, uint64_t cnt, int family)
Definition: util-device.c:508
int LiveDevUseBypass(LiveDevice *dev)
Definition: util-device.c:486
void LiveDevAddBypassFail(LiveDevice *dev, uint64_t cnt, int family)
Definition: util-device.c:565
TAILQ_ENTRY(LiveDevice_) next
bool tenant_id_set
Definition: util-device.h:43