94a7dab5bf
The efx_rx_scale_hash_flags_get interface is unsafe, as it does not have an argument for the size of the output buffer used to return the flags. While the only caller currently supplies a sufficiently large buffer, this should be checked at runtime to avoid writing past the end of the buffer. Submitted by: Ivan Malov <ivan.malov at oktetlabs.ru> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18267
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2018 Solarflare Communications Inc.
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* All rights reserved.
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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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,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are
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* those of the authors and should not be interpreted as representing official
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* policies, either expressed or implied, of the FreeBSD Project.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_EFX_ANNOTE_H
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#define _SYS_EFX_ANNOTE_H
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#if defined(_WIN32) || defined(_WIN64)
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#define EFX_HAVE_WINDOWS_ANNOTATIONS 1
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#else
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#define EFX_HAVE_WINDOWS_ANNOTATIONS 0
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#endif /* defined(_WIN32) || defined(_WIN64) */
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#if defined(__sun)
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#define EFX_HAVE_SOLARIS_ANNOTATIONS 1
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#else
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#define EFX_HAVE_SOLARIS_ANNOTATIONS 0
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#endif /* defined(__sun) */
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#if !EFX_HAVE_WINDOWS_ANNOTATIONS
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/* Ignore Windows SAL annotations on other platforms */
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#define __in
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#define __in_opt
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#define __in_ecount(_n)
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#define __in_ecount_opt(_n)
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#define __in_bcount(_n)
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#define __in_bcount_opt(_n)
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#define __out
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#define __out_opt
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#define __out_ecount(_n)
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#define __out_ecount_opt(_n)
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#define __out_ecount_part(_n, _l)
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#define __out_bcount(_n)
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#define __out_bcount_opt(_n)
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#define __out_bcount_part(_n, _l)
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#define __out_bcount_part_opt(_n, _l)
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#define __deref_out
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#define __deref_inout
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#define __inout
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#define __inout_opt
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#define __inout_ecount(_n)
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#define __inout_ecount_opt(_n)
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#define __inout_bcount(_n)
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#define __inout_bcount_opt(_n)
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#define __inout_bcount_full_opt(_n)
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#define __deref_out_bcount_opt(n)
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#define __checkReturn
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#define __success(_x)
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#define __drv_when(_p, _c)
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#endif /* !EFX_HAVE_WINDOWS_ANNOTATIONS */
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#if !EFX_HAVE_SOLARIS_ANNOTATIONS
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#if EFX_HAVE_WINDOWS_ANNOTATIONS
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/*
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* Support some SunOS/Solaris style _NOTE() annotations
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*
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* At present with the facilities provided in the WDL and the SAL we can only
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* easily act upon _NOTE(ARGUNUSED(arglist)) annotations.
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*
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* Intermediate macros to expand individual _NOTE annotation types into
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* something the WDK or SAL can understand. They shouldn't be used directly,
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* for example EFX_NOTE_ARGUNUSED() is only used as an intermediate step on the
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* transformation of _NOTE(ARGUNSED(arg1, arg2)) into
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* UNREFERENCED_PARAMETER((arg1, arg2));
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*/
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#define EFX_NOTE_ALIGNMENT(_fname, _n)
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#define EFX_NOTE_ARGUNUSED(...) UNREFERENCED_PARAMETER((__VA_ARGS__));
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#define EFX_NOTE_CONSTANTCONDITION
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#define EFX_NOTE_CONSTCOND
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#define EFX_NOTE_EMPTY
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#define EFX_NOTE_FALLTHROUGH
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#define EFX_NOTE_FALLTHRU
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#define EFX_NOTE_LINTED(_msg)
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#define EFX_NOTE_NOTREACHED
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#define EFX_NOTE_PRINTFLIKE(_n)
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#define EFX_NOTE_SCANFLIKE(_n)
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#define EFX_NOTE_VARARGS(_n)
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#define _NOTE(_annotation) EFX_NOTE_ ## _annotation
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#else
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/* Ignore Solaris annotations on other platforms */
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#define _NOTE(_annotation)
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#endif /* EFX_HAVE_WINDOWS_ANNOTATIONS */
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#endif /* !EFX_HAVE_SOLARIS_ANNOTATIONS */
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#endif /* _SYS_EFX_ANNOTE_H */
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