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Diffstat (limited to 'framework/src/suricata/src/util-mpm-ac-tile.h')
| -rw-r--r-- | framework/src/suricata/src/util-mpm-ac-tile.h | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/framework/src/suricata/src/util-mpm-ac-tile.h b/framework/src/suricata/src/util-mpm-ac-tile.h deleted file mode 100644 index 63d5bc95..00000000 --- a/framework/src/suricata/src/util-mpm-ac-tile.h +++ /dev/null @@ -1,174 +0,0 @@ -/* Copyright (C) 2013-2014 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 Anoop Saldanha <anoopsaldanha@gmail.com> - * \author Ken Steele <suricata@tilera.com> - * - */ - -#ifndef __UTIL_MPM_AC_TILE__H__ -#define __UTIL_MPM_AC_TILE__H__ - -typedef struct SCACTilePattern_ { - /* length of the pattern */ - uint16_t len; - /* flags decribing the pattern */ - uint8_t flags; - /* holds the original pattern that was added */ - uint8_t *original_pat; - /* case sensitive */ - uint8_t *cs; - /* case INsensitive */ - uint8_t *ci; - /* pattern id */ - uint32_t id; - - /* sid(s) for this pattern */ - uint32_t sids_size; - SigIntId *sids; - - struct SCACTilePattern_ *next; -} SCACTilePattern; - -typedef struct SCACTilePatternList_ { - uint8_t *cs; - uint16_t patlen; - - /* Pattern Id */ - uint32_t pid; - - /* sid(s) for this pattern */ - uint32_t sids_size; - SigIntId *sids; -} SCACTilePatternList; - -typedef struct SCACTileOutputTable_ { - /* list of pattern indexes */ - MpmPatternIndex *patterns; - /* number of entries in pattern list */ - uint32_t no_of_entries; -} SCACTileOutputTable; - -struct SCACTileSearchCtx_; - -/* Reordered for Tilera cache */ -typedef struct SCACTileCtx_ { - - /* Convert input character to matching alphabet */ - uint8_t translate_table[256]; - - /* The all important memory hungry state_table. - * The size of each next-state is determined by bytes_per_state. - */ - void *state_table; - - /* Specialized search function based on size of data in delta - * tables. The alphabet size determines address shifting and the - * number of states could make the next state could be 16 bits or - * 32 bits. - */ - uint32_t (*search)(struct SCACTileSearchCtx_ *ctx, struct MpmThreadCtx_ *, - PatternMatcherQueue *, uint8_t *, uint16_t); - - /* Function to set the next state based on size of next state - * (bytes_per_state). - */ - void (*set_next_state)(struct SCACTileCtx_ *ctx, int state, int aa, - int new_state, int outputs); - - /* List of patterns that match for this state. Indexed by State Number */ - SCACTileOutputTable *output_table; - /* Indexed by MpmPatternIndex */ - SCACTilePatternList *pattern_list; - - /* hash used during ctx initialization */ - SCACTilePattern **init_hash; - - /* pattern arrays. We need this only during the goto table - creation phase */ - SCACTilePattern **parray; - - /* goto_table, failure table and output table. Needed to create - * state_table. Will be freed, once we have created the - * state_table */ - int32_t (*goto_table)[256]; - int32_t *failure_table; - - /* Number of states used by ac-tile */ - uint32_t state_count; - /* Number of states allocated for ac-tile. */ - uint32_t allocated_state_count; - - uint32_t alpha_hist[256]; - /* Number of characters in the compressed alphabet. */ - uint16_t alphabet_size; - /* Space used to store compressed alphabet is the next - * larger or equal power-of-2. - */ - uint16_t alphabet_storage; - - /* How many bytes are used to store the next state. */ - uint8_t bytes_per_state; - -} SCACTileCtx; - - -/* Only the stuff used at search time. This - * structure is created after all the patterns are added. - */ -typedef struct SCACTileSearchCtx_ { - - /* Specialized search function based on size of data in delta - * tables. The alphabet size determines address shifting and the - * number of states could make the next state could be 16 bits or - * 32 bits. - */ - uint32_t (*search)(struct SCACTileSearchCtx_ *ctx, struct MpmThreadCtx_ *, - PatternMatcherQueue *, uint8_t *, uint16_t); - - /* Convert input character to matching alphabet */ - uint8_t translate_table[256]; - - /* the all important memory hungry state_table */ - void *state_table; - - /* List of patterns that match for this state. Indexed by State Number */ - SCACTileOutputTable *output_table; - SCACTilePatternList *pattern_list; - - /* Number of bytes in the array of bits. One bit per pattern in this MPM. */ - uint32_t mpm_bitarray_size; - - /* MPM Creation data, only used at initialization. */ - SCACTileCtx *init_ctx; - -} SCACTileSearchCtx; - - -typedef struct SCACTileThreadCtx_ { - /* the total calls we make to the search function */ - uint32_t total_calls; - /* the total patterns that we ended up matching against */ - uint64_t total_matches; -} SCACTileThreadCtx; - -void MpmACTileRegister(void); - -#endif /* __UTIL_MPM_AC_TILE__H__ */ |