0
ˆ
ƒ,ƒ¿ÀÆ
Index of /FSS-OZR/root/usr/lib/modules/5.14.0-687.31.1.el9_8.x86_64/build/scripts/atomic
Index of /FSS-OZR/root/usr/lib/modules/5.14.0-687.31.1.el9_8.x86_64/build/scripts/atomic
ˆÃÈ
ƒq§ ÂÀÆ D /* SPDX-License-Identifier: GPL-2.0 */
/*
* hdlcdrv.h -- HDLC packet radio network driver.
* The Linux soundcard driver for 1200 baud and 9600 baud packet radio
* (C) 1996-1998 by Thomas Sailer, HB9JNX/AE4WA
*/
#ifndef _HDLCDRV_H
#define _HDLCDRV_H
#include
#include
#include
#include
#define HDLCDRV_MAGIC 0x5ac6e778
#define HDLCDRV_HDLCBUFFER 32 /* should be a power of 2 for speed reasons */
#define HDLCDRV_BITBUFFER 256 /* should be a power of 2 for speed reasons */
#undef HDLCDRV_LOOPBACK /* define for HDLC debugging purposes */
#define HDLCDRV_DEBUG
/* maximum packet length, excluding CRC */
#define HDLCDRV_MAXFLEN 400
struct hdlcdrv_hdlcbuffer {
spinlock_t lock;
unsigned rd, wr;
unsigned short buf[HDLCDRV_HDLCBUFFER];
};
#ifdef HDLCDRV_DEBUG
struct hdlcdrv_bitbuffer {
unsigned int rd;
unsigned int wr;
unsigned int shreg;
unsigned char buffer[HDLCDRV_BITBUFFER];
};
static inline void hdlcdrv_add_bitbuffer(struct hdlcdrv_bitbuffer *buf,
unsigned int bit)
{
unsigned char new;
new = buf->shreg & 1;
buf->shreg >>= 1;
buf->shreg |= (!!bit) << 7;
if (new) {
buf->buffer[buf->wr] = buf->shreg;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
buf->shreg = 0x80;
}
}
static inline void hdlcdrv_add_bitbuffer_word(struct hdlcdrv_bitbuffer *buf,
unsigned int bits)
{
buf->buffer[buf->wr] = bits & 0xff;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
buf->buffer[buf->wr] = (bits >> 8) & 0xff;
buf->wr = (buf->wr+1) % sizeof(buf->buffer);
}
#endif /* HDLCDRV_DEBUG */
/* -------------------------------------------------------------------- */
/*
*