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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBWMC_UTILS_H
#define LIBWMC_UTILS_H
#include <sys/types.h>
typedef u_int8_t wmcbool;
#ifndef TRUE
#define TRUE ((u_int8_t) 1)
#endif
#ifndef FALSE
#define FALSE ((u_int8_t) 0)
#endif
#define DIAG_CONTROL_CHAR 0x7E
#define DIAG_TRAILER_LEN 3
/* Utility and testcase functions */
u_int16_t wmc_crc16 (const char *buffer, size_t len, u_int16_t seed);
size_t hdlc_escape (const char *inbuf,
size_t inbuf_len,
wmcbool escape_all_ctrl,
char *outbuf,
size_t outbuf_len);
size_t hdlc_unescape (const char *inbuf,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len,
wmcbool *escaping);
size_t hdlc_encapsulate_buffer (char *inbuf,
size_t cmd_len,
size_t inbuf_len,
u_int16_t crc_seed,
wmcbool add_trailer,
wmcbool escape_all_ctrl,
char *outbuf,
size_t outbuf_len);
wmcbool hdlc_decapsulate_buffer (const char *inbuf,
size_t inbuf_len,
wmcbool check_known_crc,
u_int16_t known_crc,
char *outbuf,
size_t outbuf_len,
size_t *out_decap_len,
size_t *out_used,
wmcbool *out_need_more);
/* Functions for actual communication */
size_t wmc_encapsulate (char *inbuf,
size_t cmd_len,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len,
wmcbool uml290);
wmcbool wmc_decapsulate (const char *inbuf,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len,
size_t *out_decap_len,
size_t *out_used,
wmcbool *out_need_more,
wmcbool uml290);
#endif /* LIBWMC_UTILS_H */
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