llc_shdlc.c File Reference

#include <linux/types.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include "llc.h"

Go to the source code of this file.

Data Structures
struct	llc_shdlc

Macros
#define	pr_fmt(fmt)   "shdlc: %s: " fmt, __func__
#define	SHDLC_LLC_HEAD_ROOM   2
#define	SHDLC_MAX_WINDOW   4
#define	SHDLC_SREJ_SUPPORT   false
#define	SHDLC_CONTROL_HEAD_MASK   0xe0
#define	SHDLC_CONTROL_HEAD_I   0x80
#define	SHDLC_CONTROL_HEAD_I2   0xa0
#define	SHDLC_CONTROL_HEAD_S   0xc0
#define	SHDLC_CONTROL_HEAD_U   0xe0
#define	SHDLC_CONTROL_NS_MASK   0x38
#define	SHDLC_CONTROL_NR_MASK   0x07
#define	SHDLC_CONTROL_TYPE_MASK   0x18
#define	SHDLC_CONTROL_M_MASK   0x1f
#define	SHDLC_CONNECT_VALUE_MS   5
#define	SHDLC_T1_VALUE_MS(w)   ((5 * w) / 4)
#define	SHDLC_T2_VALUE_MS   300
#define	SHDLC_DUMP_SKB(info, skb)

Enumerations
enum	shdlc_state {   SHDLC_DISCONNECTED = 0, SHDLC_CONNECTING = 1, SHDLC_NEGOTIATING = 2, SHDLC_HALF_CONNECTED = 3,   SHDLC_CONNECTED = 4 }
enum	sframe_type { S_FRAME_RR = 0x00, S_FRAME_REJ = 0x01, S_FRAME_RNR = 0x02, S_FRAME_SREJ = 0x03 }
enum	uframe_modifier { U_FRAME_UA = 0x06, U_FRAME_RSET = 0x19 }

Functions
int	nfc_llc_shdlc_register (void)

Macro Definition Documentation

#define pr_fmt

(

fmt

)

"shdlc: %s: " fmt, __func__

Definition at line 21 of file llc_shdlc.c.

#define SHDLC_CONNECT_VALUE_MS   5

Definition at line 110 of file llc_shdlc.c.

#define SHDLC_CONTROL_HEAD_I   0x80

Definition at line 87 of file llc_shdlc.c.

#define SHDLC_CONTROL_HEAD_I2   0xa0

Definition at line 88 of file llc_shdlc.c.

#define SHDLC_CONTROL_HEAD_MASK   0xe0

Definition at line 86 of file llc_shdlc.c.

#define SHDLC_CONTROL_HEAD_S   0xc0

Definition at line 89 of file llc_shdlc.c.

#define SHDLC_CONTROL_HEAD_U   0xe0

Definition at line 90 of file llc_shdlc.c.

#define SHDLC_CONTROL_M_MASK   0x1f

Definition at line 96 of file llc_shdlc.c.

#define SHDLC_CONTROL_NR_MASK   0x07

Definition at line 93 of file llc_shdlc.c.

#define SHDLC_CONTROL_NS_MASK   0x38

Definition at line 92 of file llc_shdlc.c.

#define SHDLC_CONTROL_TYPE_MASK   0x18

Definition at line 94 of file llc_shdlc.c.

#define SHDLC_DUMP_SKB	(		info,
			skb
	)

Value:

do {                                  \
    pr_debug("%s:\n", info);                  \
    print_hex_dump(KERN_DEBUG, "shdlc: ", DUMP_PREFIX_OFFSET, \
               16, 1, skb->data, skb->len, 0);        \
} while (0)

Definition at line 114 of file llc_shdlc.c.

#define SHDLC_LLC_HEAD_ROOM   2

Definition at line 81 of file llc_shdlc.c.

#define SHDLC_MAX_WINDOW   4

Definition at line 83 of file llc_shdlc.c.

#define SHDLC_SREJ_SUPPORT   false

Definition at line 84 of file llc_shdlc.c.

#define SHDLC_T1_VALUE_MS

(

w

)

((5 * w) / 4)

Definition at line 111 of file llc_shdlc.c.

#define SHDLC_T2_VALUE_MS   300

Definition at line 112 of file llc_shdlc.c.

Enumeration Type Documentation

enum sframe_type

Enumerator:

S_FRAME_RR
S_FRAME_REJ
S_FRAME_RNR
S_FRAME_SREJ

Definition at line 98 of file llc_shdlc.c.

enum shdlc_state

Enumerator:

SHDLC_DISCONNECTED
SHDLC_CONNECTING
SHDLC_NEGOTIATING
SHDLC_HALF_CONNECTED
SHDLC_CONNECTED

Definition at line 31 of file llc_shdlc.c.

enum uframe_modifier

Enumerator:

U_FRAME_UA
U_FRAME_RSET

Definition at line 105 of file llc_shdlc.c.

Function Documentation

int nfc_llc_shdlc_register

(

void

)

Definition at line 854 of file llc_shdlc.c.