suricata
runmode-netmap.c
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1 /* Copyright (C) 2014-2018 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 /**
19 * \ingroup netmap
20 *
21 * @{
22 */
23 
24 /**
25 * \file
26 *
27 * \author Aleksey Katargin <gureedo@gmail.com>
28 *
29 * Netmap runmode
30 *
31 */
32 
33 #include "suricata-common.h"
34 #include "tm-threads.h"
35 #include "conf.h"
36 #include "runmodes.h"
37 #include "runmode-netmap.h"
38 #include "output.h"
39 #include "log-httplog.h"
40 #include "detect-engine-mpm.h"
41 
42 #include "alert-fastlog.h"
43 #include "alert-prelude.h"
44 #include "alert-debuglog.h"
45 
46 #include "util-debug.h"
47 #include "util-time.h"
48 #include "util-cpu.h"
49 #include "util-affinity.h"
50 #include "util-device.h"
51 #include "util-runmodes.h"
52 #include "util-ioctl.h"
53 #include "util-byte.h"
54 
55 #include "source-netmap.h"
56 
57 extern int max_pending_packets;
58 
59 const char *RunModeNetmapGetDefaultMode(void)
60 {
61  return "workers";
62 }
63 
65 {
67  "Single threaded netmap mode",
70  "Workers netmap mode, each thread does all"
71  " tasks from acquisition to logging",
74  "Multi threaded netmap mode. Packets from "
75  "each flow are assigned to a single detect "
76  "thread.",
78  return;
79 }
80 
81 #ifdef HAVE_NETMAP
82 
83 static void NetmapDerefConfig(void *conf)
84 {
85  NetmapIfaceConfig *pfp = (NetmapIfaceConfig *)conf;
86  /* config is used only once but cost of this low. */
87  if (SC_ATOMIC_SUB(pfp->ref, 1) == 1) {
88  SCFree(pfp);
89  }
90 }
91 
92 static int ParseNetmapSettings(NetmapIfaceSettings *ns, const char *iface,
93  ConfNode *if_root, ConfNode *if_default)
94 {
95  ns->threads = 0;
96  ns->promisc = true;
99  strlcpy(ns->iface, iface, sizeof(ns->iface));
100 
101  if (ns->iface[0]) {
102  size_t len = strlen(ns->iface);
103  if (ns->iface[len-1] == '+') {
105  "netmap interface %s uses obsolete '+' notation. "
106  "Using '^' instead.", ns->iface);
107  ns->iface[len-1] = '^';
108  ns->sw_ring = true;
109  } else if (ns->iface[len-1] == '^') {
110  ns->sw_ring = true;
111  }
112  }
113 
114  /* prefixed with netmap or vale means it's not a real interface
115  * and we don't check offloading. */
116  if (strncmp(ns->iface, "netmap:", 7) != 0 &&
117  strncmp(ns->iface, "vale", 4) != 0) {
118  ns->real = true;
119  }
120 
121  const char *bpf_filter = NULL;
122  if (ConfGet("bpf-filter", &bpf_filter) == 1) {
123  if (strlen(bpf_filter) > 0) {
124  ns->bpf_filter = bpf_filter;
125  SCLogInfo("Going to use command-line provided bpf filter '%s'",
126  ns->bpf_filter);
127  }
128  }
129 
130  if (if_root == NULL && if_default == NULL) {
131  SCLogInfo("Unable to find netmap config for "
132  "interface \"%s\" or \"default\", using default values",
133  iface);
134  goto finalize;
135 
136  /* If there is no setting for current interface use default one as main iface */
137  } else if (if_root == NULL) {
138  if_root = if_default;
139  if_default = NULL;
140  }
141 
142  const char *threadsstr = NULL;
143  if (ConfGetChildValueWithDefault(if_root, if_default, "threads", &threadsstr) != 1) {
144  ns->threads = 0;
145  ns->threads_auto = true;
146  } else {
147  if (strcmp(threadsstr, "auto") == 0) {
148  ns->threads = 0;
149  ns->threads_auto = true;
150  } else {
151  if (StringParseUint16(&ns->threads, 10, 0, threadsstr) < 0) {
152  SCLogWarning(SC_ERR_INVALID_VALUE, "Invalid config value for "
153  "threads: %s, resetting to 0", threadsstr);
154  ns->threads = 0;
155  }
156  }
157  }
158 
159  /* load netmap bpf filter */
160  /* command line value has precedence */
161  if (ns->bpf_filter == NULL) {
162  if (ConfGetChildValueWithDefault(if_root, if_default, "bpf-filter", &bpf_filter) == 1) {
163  if (strlen(bpf_filter) > 0) {
164  ns->bpf_filter = bpf_filter;
165  SCLogInfo("Going to use bpf filter %s", ns->bpf_filter);
166  }
167  }
168  }
169 
170  int boolval = 0;
171  (void)ConfGetChildValueBoolWithDefault(if_root, if_default, "disable-promisc", (int *)&boolval);
172  if (boolval) {
173  SCLogInfo("Disabling promiscuous mode on iface %s", ns->iface);
174  ns->promisc = false;
175  }
176 
177  const char *tmpctype;
178  if (ConfGetChildValueWithDefault(if_root, if_default,
179  "checksum-checks", &tmpctype) == 1)
180  {
181  if (strcmp(tmpctype, "auto") == 0) {
183  } else if (ConfValIsTrue(tmpctype)) {
185  } else if (ConfValIsFalse(tmpctype)) {
187  } else {
188  SCLogWarning(SC_ERR_INVALID_ARGUMENT, "Invalid value for "
189  "checksum-checks for %s", iface);
190  }
191  }
192 
193  const char *copymodestr;
194  if (ConfGetChildValueWithDefault(if_root, if_default,
195  "copy-mode", &copymodestr) == 1)
196  {
197  if (strcmp(copymodestr, "ips") == 0) {
199  } else if (strcmp(copymodestr, "tap") == 0) {
201  } else {
202  SCLogWarning(SC_ERR_INVALID_ARGUMENT, "Invalid copy-mode "
203  "(valid are tap, ips)");
204  }
205  }
206 
207 finalize:
208 
209  ns->ips = (ns->copy_mode != NETMAP_COPY_MODE_NONE);
210 
211  if (ns->sw_ring) {
212  /* just one thread per interface supported */
213  ns->threads = 1;
214  } else if (ns->threads_auto) {
215  /* As NetmapGetRSSCount used to be broken on Linux,
216  * fall back to GetIfaceRSSQueuesNum if needed. */
217  ns->threads = NetmapGetRSSCount(ns->iface);
218  if (ns->threads == 0) {
220  }
221  }
222  if (ns->threads <= 0) {
223  ns->threads = 1;
224  }
225 
226  return 0;
227 }
228 
229 /**
230 * \brief extract information from config file
231 *
232 * The returned structure will be freed by the thread init function.
233 * This is thus necessary to or copy the structure before giving it
234 * to thread or to reparse the file for each thread (and thus have
235 * new structure.
236 *
237 * \return a NetmapIfaceConfig corresponding to the interface name
238 */
239 static void *ParseNetmapConfig(const char *iface_name)
240 {
241  ConfNode *if_root = NULL;
242  ConfNode *if_default = NULL;
243  const char *out_iface = NULL;
244 
245  if (iface_name == NULL) {
246  return NULL;
247  }
248 
249  NetmapIfaceConfig *aconf = SCMalloc(sizeof(*aconf));
250  if (unlikely(aconf == NULL)) {
251  return NULL;
252  }
253  memset(aconf, 0, sizeof(*aconf));
254 
255  aconf->DerefFunc = NetmapDerefConfig;
256  strlcpy(aconf->iface_name, iface_name, sizeof(aconf->iface_name));
257  SC_ATOMIC_INIT(aconf->ref);
258  (void) SC_ATOMIC_ADD(aconf->ref, 1);
259 
260  /* Find initial node */
261  ConfNode *netmap_node = ConfGetNode("netmap");
262  if (netmap_node == NULL) {
263  SCLogInfo("Unable to find netmap config using default value");
264  } else {
265  if_root = ConfFindDeviceConfig(netmap_node, aconf->iface_name);
266  if_default = ConfFindDeviceConfig(netmap_node, "default");
267  }
268 
269  /* parse settings for capture iface */
270  ParseNetmapSettings(&aconf->in, aconf->iface_name, if_root, if_default);
271 
272  /* if we have a copy iface, parse that as well */
273  if (netmap_node != NULL &&
274  ConfGetChildValueWithDefault(if_root, if_default, "copy-iface", &out_iface) == 1)
275  {
276  if (strlen(out_iface) > 0) {
277  if_root = ConfFindDeviceConfig(netmap_node, out_iface);
278  ParseNetmapSettings(&aconf->out, out_iface, if_root, if_default);
279 
280  /* if one side of the IPS peering uses a sw_ring, we will default
281  * to using a single ring/thread on the other side as well. Only
282  * if thread variable is set to 'auto'. So the user can override
283  * this. */
284  if (aconf->out.sw_ring && aconf->in.threads_auto) {
285  aconf->out.threads = aconf->in.threads = 1;
286  } else if (aconf->in.sw_ring && aconf->out.threads_auto) {
287  aconf->out.threads = aconf->in.threads = 1;
288  }
289  }
290  }
291 
292  /* netmap needs all offloading to be disabled */
293  if (aconf->in.real) {
294  char base_name[sizeof(aconf->in.iface)];
295  strlcpy(base_name, aconf->in.iface, sizeof(base_name));
296  /* for a sw_ring enabled device name, strip the trailing char */
297  if (aconf->in.sw_ring) {
298  base_name[strlen(base_name) - 1] = '\0';
299  }
300 
301  if (LiveGetOffload() == 0) {
302  (void)GetIfaceOffloading(base_name, 1, 1);
303  } else {
304  DisableIfaceOffloading(LiveGetDevice(base_name), 1, 1);
305  }
306  }
307 
308  SC_ATOMIC_RESET(aconf->ref);
309  (void) SC_ATOMIC_ADD(aconf->ref, aconf->in.threads);
310  SCLogPerf("Using %d threads for interface %s", aconf->in.threads,
311  aconf->iface_name);
312 
313  return aconf;
314 }
315 
316 static int NetmapConfigGeThreadsCount(void *conf)
317 {
318  NetmapIfaceConfig *aconf = (NetmapIfaceConfig *)conf;
319  return aconf->in.threads;
320 }
321 
322 int NetmapRunModeIsIPS()
323 {
324  int nlive = LiveGetDeviceCount();
325  int ldev;
326  ConfNode *if_root;
327  ConfNode *if_default = NULL;
328  ConfNode *netmap_node;
329  int has_ips = 0;
330  int has_ids = 0;
331 
332  /* Find initial node */
333  netmap_node = ConfGetNode("netmap");
334  if (netmap_node == NULL) {
335  return 0;
336  }
337 
338  if_default = ConfNodeLookupKeyValue(netmap_node, "interface", "default");
339 
340  for (ldev = 0; ldev < nlive; ldev++) {
341  const char *live_dev = LiveGetDeviceName(ldev);
342  if (live_dev == NULL) {
343  SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
344  return 0;
345  }
346  const char *copymodestr = NULL;
347  if_root = ConfNodeLookupKeyValue(netmap_node, "interface", live_dev);
348 
349  if (if_root == NULL) {
350  if (if_default == NULL) {
351  SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
352  return 0;
353  }
354  if_root = if_default;
355  }
356 
357  if (ConfGetChildValueWithDefault(if_root, if_default, "copy-mode", &copymodestr) == 1) {
358  if (strcmp(copymodestr, "ips") == 0) {
359  has_ips = 1;
360  } else {
361  has_ids = 1;
362  }
363  } else {
364  has_ids = 1;
365  }
366  }
367 
368  if (has_ids && has_ips) {
369  SCLogInfo("Netmap mode using IPS and IDS mode");
370  for (ldev = 0; ldev < nlive; ldev++) {
371  const char *live_dev = LiveGetDeviceName(ldev);
372  if (live_dev == NULL) {
373  SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
374  return 0;
375  }
376  if_root = ConfNodeLookupKeyValue(netmap_node, "interface", live_dev);
377  const char *copymodestr = NULL;
378 
379  if (if_root == NULL) {
380  if (if_default == NULL) {
381  SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
382  return 0;
383  }
384  if_root = if_default;
385  }
386 
387  if (! ((ConfGetChildValueWithDefault(if_root, if_default, "copy-mode", &copymodestr) == 1) &&
388  (strcmp(copymodestr, "ips") == 0))) {
390  "Netmap IPS mode used and interface '%s' is in IDS or TAP mode. "
391  "Sniffing '%s' but expect bad result as stream-inline is activated.",
392  live_dev, live_dev);
393  }
394  }
395  }
396 
397  return has_ips;
398 }
399 
400 #endif // #ifdef HAVE_NETMAP
401 
403 {
404  SCEnter();
405 
406 #ifdef HAVE_NETMAP
407  int ret;
408  const char *live_dev = NULL;
409 
411 
412  TimeModeSetLive();
413 
414  (void)ConfGet("netmap.live-interface", &live_dev);
415 
416  SCLogDebug("live_dev %s", live_dev);
417 
419  ParseNetmapConfig,
420  NetmapConfigGeThreadsCount,
421  "ReceiveNetmap",
422  "DecodeNetmap", thread_name_autofp,
423  live_dev);
424  if (ret != 0) {
425  FatalError(SC_ERR_FATAL, "Unable to start runmode");
426  }
427 
428  SCLogDebug("RunModeIdsNetmapAutoFp initialised");
429 #endif /* HAVE_NETMAP */
430 
431  SCReturnInt(0);
432 }
433 
434 /**
435 * \brief Single thread version of the netmap processing.
436 */
438 {
439  SCEnter();
440 
441 #ifdef HAVE_NETMAP
442  int ret;
443  const char *live_dev = NULL;
444 
446  TimeModeSetLive();
447 
448  (void)ConfGet("netmap.live-interface", &live_dev);
449 
451  ParseNetmapConfig,
452  NetmapConfigGeThreadsCount,
453  "ReceiveNetmap",
454  "DecodeNetmap", thread_name_single,
455  live_dev);
456  if (ret != 0) {
457  FatalError(SC_ERR_FATAL, "Unable to start runmode");
458  }
459 
460  SCLogDebug("RunModeIdsNetmapSingle initialised");
461 
462 #endif /* HAVE_NETMAP */
463  SCReturnInt(0);
464 }
465 
466 /**
467 * \brief Workers version of the netmap processing.
468 *
469 * Start N threads with each thread doing all the work.
470 *
471 */
473 {
474  SCEnter();
475 
476 #ifdef HAVE_NETMAP
477  int ret;
478  const char *live_dev = NULL;
479 
481  TimeModeSetLive();
482 
483  (void)ConfGet("netmap.live-interface", &live_dev);
484 
486  ParseNetmapConfig,
487  NetmapConfigGeThreadsCount,
488  "ReceiveNetmap",
489  "DecodeNetmap", thread_name_workers,
490  live_dev);
491  if (ret != 0) {
492  FatalError(SC_ERR_FATAL, "Unable to start runmode");
493  }
494 
495  SCLogDebug("RunModeIdsNetmapWorkers initialised");
496 
497 #endif /* HAVE_NETMAP */
498  SCReturnInt(0);
499 }
500 
501 /**
502 * @}
503 */
thread_name_workers
const char * thread_name_workers
Definition: runmodes.c:66
RunModeIdsNetmapSingle
int RunModeIdsNetmapSingle(void)
Single thread version of the netmap processing.
Definition: runmode-netmap.c:437
util-byte.h
tm-threads.h
len
uint8_t len
Definition: app-layer-dnp3.h:2
StringParseUint16
int StringParseUint16(uint16_t *res, int base, uint16_t len, const char *str)
Definition: util-byte.c:336
RunModeSetLiveCaptureWorkers
int RunModeSetLiveCaptureWorkers(ConfigIfaceParserFunc ConfigParser, ConfigIfaceThreadsCountFunc ModThreadsCount, const char *recv_mod_name, const char *decode_mod_name, const char *thread_name, const char *live_dev)
Definition: util-runmodes.c:331
SC_ERR_INVALID_VALUE
@ SC_ERR_INVALID_VALUE
Definition: util-error.h:160
alert-debuglog.h
GetIfaceRSSQueuesNum
int GetIfaceRSSQueuesNum(const char *pcap_dev)
Definition: util-ioctl.c:737
SC_ATOMIC_INIT
#define SC_ATOMIC_INIT(name)
wrapper for initializing an atomic variable.
Definition: util-atomic.h:315
unlikely
#define unlikely(expr)
Definition: util-optimize.h:35
NetmapIfaceSettings_::checksum_mode
ChecksumValidationMode checksum_mode
Definition: source-netmap.h:53
NETMAP_COPY_MODE_NONE
@ NETMAP_COPY_MODE_NONE
Definition: source-netmap.h:32
ConfGetChildValueBoolWithDefault
int ConfGetChildValueBoolWithDefault(const ConfNode *base, const ConfNode *dflt, const char *name, int *val)
Definition: conf.c:542
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:298
LiveGetOffload
int LiveGetOffload(void)
Definition: util-device.c:79
ConfGetNode
ConfNode * ConfGetNode(const char *name)
Get a ConfNode by name.
Definition: conf.c:175
SC_ATOMIC_ADD
#define SC_ATOMIC_ADD(name, val)
add a value to our atomic variable
Definition: util-atomic.h:333
RunModeInitialize
void RunModeInitialize(void)
Definition: runmodes.c:921
util-runmodes.h
thread_name_autofp
const char * thread_name_autofp
Definition: runmodes.c:64
NetmapIfaceConfig_::out
NetmapIfaceSettings out
Definition: source-netmap.h:66
ConfNodeLookupKeyValue
ConfNode * ConfNodeLookupKeyValue(const ConfNode *base, const char *key, const char *value)
Lookup for a key value under a specific node.
Definition: conf.c:859
CHECKSUM_VALIDATION_DISABLE
@ CHECKSUM_VALIDATION_DISABLE
Definition: decode.h:43
NetmapIfaceSettings_::iface
char iface[NETMAP_IFACE_NAME_LENGTH]
Definition: source-netmap.h:42
thread_name_single
const char * thread_name_single
Definition: runmodes.c:65
NetmapIfaceSettings_::ips
bool ips
Definition: source-netmap.h:48
RUNMODE_NETMAP
@ RUNMODE_NETMAP
Definition: runmodes.h:38
ConfValIsTrue
int ConfValIsTrue(const char *val)
Check if a value is true.
Definition: conf.c:565
RunModeIdsNetmapWorkers
int RunModeIdsNetmapWorkers(void)
Workers version of the netmap processing.
Definition: runmode-netmap.c:472
strlcpy
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: util-strlcpyu.c:43
RunModeSetLiveCaptureAutoFp
int RunModeSetLiveCaptureAutoFp(ConfigIfaceParserFunc ConfigParser, ConfigIfaceThreadsCountFunc ModThreadsCount, const char *recv_mod_name, const char *decode_mod_name, const char *thread_name, const char *live_dev)
Definition: util-runmodes.c:88
NetmapGetRSSCount
int NetmapGetRSSCount(const char *ifname)
CHECKSUM_VALIDATION_ENABLE
@ CHECKSUM_VALIDATION_ENABLE
Definition: decode.h:44
ConfGet
int ConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
Definition: conf.c:330
CHECKSUM_VALIDATION_AUTO
@ CHECKSUM_VALIDATION_AUTO
Definition: decode.h:45
util-device.h
util-debug.h
NetmapIfaceConfig_::DerefFunc
void(* DerefFunc)(void *)
Definition: source-netmap.h:69
NetmapIfaceSettings_::real
bool real
Definition: source-netmap.h:47
util-cpu.h
NetmapIfaceSettings_::sw_ring
bool sw_ring
Definition: source-netmap.h:45
LiveGetDevice
LiveDevice * LiveGetDevice(const char *name)
Get a pointer to the device at idx.
Definition: util-device.c:278
ConfFindDeviceConfig
ConfNode * ConfFindDeviceConfig(ConfNode *node, const char *iface)
Find the configuration node for a specific device.
Definition: util-conf.c:128
SCEnter
#define SCEnter(...)
Definition: util-debug.h:300
detect-engine-mpm.h
util-affinity.h
ConfGetChildValueWithDefault
int ConfGetChildValueWithDefault(const ConfNode *base, const ConfNode *dflt, const char *name, const char **vptr)
Definition: conf.c:415
util-time.h
SC_ERR_INVALID_ARGUMENT
@ SC_ERR_INVALID_ARGUMENT
Definition: util-error.h:43
NetmapIfaceSettings_
Definition: source-netmap.h:40
runmode-netmap.h
NetmapIfaceSettings_::threads
uint16_t threads
Definition: source-netmap.h:51
SC_ATOMIC_SUB
#define SC_ATOMIC_SUB(name, val)
sub a value from our atomic variable
Definition: util-atomic.h:342
conf.h
source-netmap.h
NetmapIfaceSettings_::promisc
bool promisc
Definition: source-netmap.h:46
GetIfaceOffloading
int GetIfaceOffloading(const char *dev, int csum, int other)
output offloading status of the link
Definition: util-ioctl.c:694
DisableIfaceOffloading
int DisableIfaceOffloading(LiveDevice *dev, int csum, int other)
Definition: util-ioctl.c:707
NetmapIfaceSettings_::threads_auto
bool threads_auto
Definition: source-netmap.h:49
runmodes.h
SCLogInfo
#define SCLogInfo(...)
Macro used to log INFORMATIONAL messages.
Definition: util-debug.h:217
alert-prelude.h
TimeModeSetLive
void TimeModeSetLive(void)
Definition: util-time.c:97
alert-fastlog.h
max_pending_packets
int max_pending_packets
Definition: suricata.c:212
NetmapIfaceSettings_::bpf_filter
const char * bpf_filter
Definition: source-netmap.h:54
NetmapIfaceConfig_
Definition: source-netmap.h:58
suricata-common.h
NETMAP_COPY_MODE_IPS
@ NETMAP_COPY_MODE_IPS
Definition: source-netmap.h:34
RunModeRegisterNewRunMode
void RunModeRegisterNewRunMode(enum RunModes runmode, const char *name, const char *description, int(*RunModeFunc)(void))
Registers a new runmode.
Definition: runmodes.c:433
LiveGetDeviceName
const char * LiveGetDeviceName(int number)
Get a pointer to the device name at idx.
Definition: util-device.c:176
NETMAP_COPY_MODE_TAP
@ NETMAP_COPY_MODE_TAP
Definition: source-netmap.h:33
SCLogPerf
#define SCLogPerf(...)
Definition: util-debug.h:224
SCLogError
#define SCLogError(err_code,...)
Macro used to log ERROR messages.
Definition: util-debug.h:257
FatalError
#define FatalError(x,...)
Definition: util-debug.h:532
log-httplog.h
SC_ATOMIC_RESET
#define SC_ATOMIC_RESET(name)
wrapper for reinitializing an atomic variable.
Definition: util-atomic.h:324
SCMalloc
#define SCMalloc(sz)
Definition: util-mem.h:47
RunModeNetmapGetDefaultMode
const char * RunModeNetmapGetDefaultMode(void)
Definition: runmode-netmap.c:59
SCLogWarning
#define SCLogWarning(err_code,...)
Macro used to log WARNING messages.
Definition: util-debug.h:244
SCFree
#define SCFree(p)
Definition: util-mem.h:61
RunModeIdsNetmapRegister
void RunModeIdsNetmapRegister(void)
Definition: runmode-netmap.c:64
NetmapIfaceConfig_::iface_name
char iface_name[NETMAP_IFACE_NAME_LENGTH]
Definition: source-netmap.h:60
ConfNode_
Definition: conf.h:32
NetmapIfaceSettings_::copy_mode
int copy_mode
Definition: source-netmap.h:52
SC_ERR_FATAL
@ SC_ERR_FATAL
Definition: util-error.h:203
util-ioctl.h
ConfValIsFalse
int ConfValIsFalse(const char *val)
Check if a value is false.
Definition: conf.c:590
RunModeSetLiveCaptureSingle
int RunModeSetLiveCaptureSingle(ConfigIfaceParserFunc ConfigParser, ConfigIfaceThreadsCountFunc ModThreadsCount, const char *recv_mod_name, const char *decode_mod_name, const char *thread_name, const char *live_dev)
Definition: util-runmodes.c:365
SC_WARN_OPTION_OBSOLETE
@ SC_WARN_OPTION_OBSOLETE
Definition: util-error.h:265
NetmapIfaceConfig_::in
NetmapIfaceSettings in
Definition: source-netmap.h:63
RunModeIdsNetmapAutoFp
int RunModeIdsNetmapAutoFp(void)
Definition: runmode-netmap.c:402
LiveGetDeviceCount
int LiveGetDeviceCount(void)
Get the number of registered devices.
Definition: util-device.c:156
SCReturnInt
#define SCReturnInt(x)
Definition: util-debug.h:304
NetmapRunModeIsIPS
int NetmapRunModeIsIPS(void)
output.h