Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _LINUX_X25_ASY_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _LINUX_X25_ASY_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /* X.25 asy configuration. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #define SL_NRUNIT	256		/* MAX number of X.25 channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 					   This can be overridden with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 					   insmod -ox25_asy_maxdev=nnn	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define SL_MTU		256	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /* X25 async protocol characters. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define X25_END         0x7E		/* indicates end of frame	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define X25_ESC         0x7D		/* indicates byte stuffing	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define X25_ESCAPE(x)	((x)^0x20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define X25_UNESCAPE(x)	((x)^0x20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct x25_asy {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)   int			magic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)   /* Various fields. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)   spinlock_t		lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)   struct tty_struct	*tty;		/* ptr to TTY structure		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)   struct net_device	*dev;		/* easy for intr handling	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)   /* These are pointers to the malloc()ed frame buffers. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)   unsigned char		*rbuff;		/* receiver buffer		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)   int                   rcount;         /* received chars counter       */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)   unsigned char		*xbuff;		/* transmitter buffer		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)   unsigned char         *xhead;         /* pointer to next byte to XMIT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)   int                   xleft;          /* bytes left in XMIT queue     */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)   int                   buffsize;       /* Max buffers sizes            */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)   unsigned long		flags;		/* Flag values/ mode etc	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define SLF_INUSE	0		/* Channel in use               */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define SLF_ESCAPE	1               /* ESC received                 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define SLF_ERROR	2               /* Parity, etc. error           */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define X25_ASY_MAGIC 0x5303
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int x25_asy_init(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #endif	/* _LINUX_X25_ASY.H */