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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/defrag-queue.h | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/defrag-queue.h')
-rw-r--r-- | framework/src/suricata/src/defrag-queue.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/framework/src/suricata/src/defrag-queue.h b/framework/src/suricata/src/defrag-queue.h new file mode 100644 index 00000000..87b5f4d1 --- /dev/null +++ b/framework/src/suricata/src/defrag-queue.h @@ -0,0 +1,84 @@ +/* Copyright (C) 2007-2012 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Victor Julien <victor@inliniac.net> + */ + +#ifndef __DEFRAG_QUEUE_H__ +#define __DEFRAG_QUEUE_H__ + +#include "suricata-common.h" +#include "defrag.h" + +/** Spinlocks or Mutex for the defrag tracker queues. */ +//#define DQLOCK_SPIN +#define DQLOCK_MUTEX + +#ifdef DQLOCK_SPIN + #ifdef DQLOCK_MUTEX + #error Cannot enable both DQLOCK_SPIN and DQLOCK_MUTEX + #endif +#endif + +/* Define a queue for storing defrag trackers */ +typedef struct DefragTrackerQueue_ +{ + DefragTracker *top; + DefragTracker *bot; + uint32_t len; +#ifdef DBG_PERF + uint32_t dbg_maxlen; +#endif /* DBG_PERF */ +#ifdef DQLOCK_MUTEX + SCMutex m; +#elif defined DQLOCK_SPIN + SCSpinlock s; +#else + #error Enable DQLOCK_SPIN or DQLOCK_MUTEX +#endif +} DefragTrackerQueue; + +#ifdef DQLOCK_SPIN + #define DQLOCK_INIT(q) SCSpinInit(&(q)->s, 0) + #define DQLOCK_DESTROY(q) SCSpinDestroy(&(q)->s) + #define DQLOCK_LOCK(q) SCSpinLock(&(q)->s) + #define DQLOCK_TRYLOCK(q) SCSpinTrylock(&(q)->s) + #define DQLOCK_UNLOCK(q) SCSpinUnlock(&(q)->s) +#elif defined DQLOCK_MUTEX + #define DQLOCK_INIT(q) SCMutexInit(&(q)->m, NULL) + #define DQLOCK_DESTROY(q) SCMutexDestroy(&(q)->m) + #define DQLOCK_LOCK(q) SCMutexLock(&(q)->m) + #define DQLOCK_TRYLOCK(q) SCMutexTrylock(&(q)->m) + #define DQLOCK_UNLOCK(q) SCMutexUnlock(&(q)->m) +#else + #error Enable DQLOCK_SPIN or DQLOCK_MUTEX +#endif + +/* prototypes */ +DefragTrackerQueue *DefragTrackerQueueNew(); +DefragTrackerQueue *DefragTrackerQueueInit(DefragTrackerQueue *); +void DefragTrackerQueueDestroy (DefragTrackerQueue *); + +void DefragTrackerEnqueue (DefragTrackerQueue *, DefragTracker *); +DefragTracker *DefragTrackerDequeue (DefragTrackerQueue *); +uint32_t DefragTrackerQueueLen(DefragTrackerQueue *); + +#endif /* __DEFRAG_QUEUE_H__ */ + |