Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
27 lines
530 B
C
27 lines
530 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* crc-itu-t.h - CRC ITU-T V.41 routine
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*
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* Implements the standard CRC ITU-T V.41:
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* Width 16
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* Poly 0x1021 (x^16 + x^12 + x^5 + 1)
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* Init 0
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*/
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#ifndef CRC_ITU_T_H
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#define CRC_ITU_T_H
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#include <linux/types.h>
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extern u16 const crc_itu_t_table[256];
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extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
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static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
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{
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return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
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}
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#endif /* CRC_ITU_T_H */
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