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106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/*
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* Copyright (c) 2015, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "util/simd_utils.h"
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#define P0(cnd) unlikely(cnd)
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#include "fdr.h"
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#include "fdr_internal.h"
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#include "teddy_internal.h"
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#include "flood_runtime.h"
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#include "fdr_confirm.h"
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#include "fdr_confirm_runtime.h"
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#include "fdr_streaming_runtime.h"
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#include "fdr_loadval.h"
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#include "fdr_autogen.c"
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#define FAKE_HISTORY_SIZE 16
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static const u8 fake_history[FAKE_HISTORY_SIZE];
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hwlm_error_t fdrExec(const struct FDR *fdr, const u8 *buf, size_t len, size_t start,
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HWLMCallback cb, void *ctxt, hwlm_group_t groups) {
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const struct FDR_Runtime_Args a = {
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buf,
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len,
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fake_history,
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0,
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fake_history, // nocase
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0,
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start,
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cb,
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ctxt,
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&groups,
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nextFloodDetect(buf, len, FLOOD_BACKOFF_START),
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0
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};
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if (unlikely(a.start_offset >= a.len)) {
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return HWLM_SUCCESS;
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} else {
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assert(funcs[fdr->engineID]);
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return funcs[fdr->engineID](fdr, &a);
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}
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}
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hwlm_error_t fdrExecStreaming(const struct FDR *fdr, const u8 *hbuf,
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size_t hlen, const u8 *buf, size_t len,
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size_t start, HWLMCallback cb, void *ctxt,
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hwlm_group_t groups, u8 * stream_state) {
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struct FDR_Runtime_Args a = {
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buf,
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len,
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hbuf,
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hlen,
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hbuf, // nocase - start same as caseful, override later if needed
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hlen, // nocase
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start,
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cb,
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ctxt,
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&groups,
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nextFloodDetect(buf, len, FLOOD_BACKOFF_START),
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hbuf ? CONF_LOADVAL_CALL_CAUTIOUS(hbuf + hlen - 8, hbuf, hbuf + hlen)
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: (u64a)0
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};
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fdrUnpackState(fdr, &a, stream_state);
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hwlm_error_t ret;
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if (unlikely(a.start_offset >= a.len)) {
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ret = HWLM_SUCCESS;
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} else {
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assert(funcs[fdr->engineID]);
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ret = funcs[fdr->engineID](fdr, &a);
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}
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fdrPackState(fdr, &a, stream_state);
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return ret;
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}
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