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Diffstat (limited to 'kernel/include/net/irda/parameters.h')
| -rw-r--r-- | kernel/include/net/irda/parameters.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/kernel/include/net/irda/parameters.h b/kernel/include/net/irda/parameters.h new file mode 100644 index 000000000..2d9cd0007 --- /dev/null +++ b/kernel/include/net/irda/parameters.h @@ -0,0 +1,100 @@ +/********************************************************************* + * + * Filename: parameters.h + * Version: 1.0 + * Description: A more general way to handle (pi,pl,pv) parameters + * Status: Experimental. + * Author: Dag Brattli <dagb@cs.uit.no> + * Created at: Mon Jun 7 08:47:28 1999 + * Modified at: Sun Jan 30 14:05:14 2000 + * Modified by: Dag Brattli <dagb@cs.uit.no> + * + * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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/>. + * + * Michel Dänzer <daenzer@debian.org>, 10/2001 + * - simplify irda_pv_t to avoid endianness issues + * + ********************************************************************/ + +#ifndef IRDA_PARAMS_H +#define IRDA_PARAMS_H + +/* + * The currently supported types. Beware not to change the sequence since + * it a good reason why the sized integers has a value equal to their size + */ +typedef enum { + PV_INTEGER, /* Integer of any (pl) length */ + PV_INT_8_BITS, /* Integer of 8 bits in length */ + PV_INT_16_BITS, /* Integer of 16 bits in length */ + PV_STRING, /* \0 terminated string */ + PV_INT_32_BITS, /* Integer of 32 bits in length */ + PV_OCT_SEQ, /* Octet sequence */ + PV_NO_VALUE /* Does not contain any value (pl=0) */ +} PV_TYPE; + +/* Bit 7 of type field */ +#define PV_BIG_ENDIAN 0x80 +#define PV_LITTLE_ENDIAN 0x00 +#define PV_MASK 0x7f /* To mask away endian bit */ + +#define PV_PUT 0 +#define PV_GET 1 + +typedef union { + char *c; + __u32 i; + __u32 *ip; +} irda_pv_t; + +typedef struct { + __u8 pi; + __u8 pl; + irda_pv_t pv; +} irda_param_t; + +typedef int (*PI_HANDLER)(void *self, irda_param_t *param, int get); +typedef int (*PV_HANDLER)(void *self, __u8 *buf, int len, __u8 pi, + PV_TYPE type, PI_HANDLER func); + +typedef struct { + const PI_HANDLER func; /* Handler for this parameter identifier */ + PV_TYPE type; /* Data type for this parameter */ +} pi_minor_info_t; + +typedef struct { + const pi_minor_info_t *pi_minor_call_table; + int len; +} pi_major_info_t; + +typedef struct { + const pi_major_info_t *tables; + int len; + __u8 pi_mask; + int pi_major_offset; +} pi_param_info_t; + +int irda_param_pack(__u8 *buf, char *fmt, ...); + +int irda_param_insert(void *self, __u8 pi, __u8 *buf, int len, + pi_param_info_t *info); +int irda_param_extract_all(void *self, __u8 *buf, int len, + pi_param_info_t *info); + +#define irda_param_insert_byte(buf,pi,pv) irda_param_pack(buf,"bbb",pi,1,pv) + +#endif /* IRDA_PARAMS_H */ + |