141 lines
2.4 KiB
C
141 lines
2.4 KiB
C
/* $Id$
|
|
*
|
|
* Layer 2 defines
|
|
*
|
|
* This file is (c) under GNU PUBLIC LICENSE
|
|
*
|
|
*/
|
|
|
|
#include <linux/mISDNif.h>
|
|
#include <linux/skbuff.h>
|
|
#include "fsm.h"
|
|
#ifdef MISDN_MEMDEBUG
|
|
#include "memdbg.h"
|
|
#endif
|
|
|
|
#define MAX_WINDOW 8
|
|
|
|
typedef struct _teimgr {
|
|
int ri;
|
|
struct FsmInst tei_m;
|
|
struct FsmTimer t202;
|
|
int T202, N202;
|
|
int debug;
|
|
struct _layer2 *l2;
|
|
} teimgr_t;
|
|
|
|
typedef struct _laddr {
|
|
u_char A;
|
|
u_char B;
|
|
} laddr_t;
|
|
|
|
typedef struct _layer2 {
|
|
struct _layer2 *prev;
|
|
struct _layer2 *next;
|
|
int sapi;
|
|
int tei;
|
|
laddr_t addr;
|
|
u_int maxlen;
|
|
teimgr_t *tm;
|
|
u_long flag;
|
|
u_int vs, va, vr;
|
|
int rc;
|
|
u_int window;
|
|
u_int sow;
|
|
struct FsmInst l2m;
|
|
struct FsmTimer t200, t203;
|
|
int T200, N200, T203;
|
|
int debug;
|
|
mISDNinstance_t inst;
|
|
mISDNif_t *cloneif;
|
|
struct sk_buff *windowar[MAX_WINDOW];
|
|
struct sk_buff *down_skb;
|
|
struct sk_buff_head i_queue;
|
|
struct sk_buff_head ui_queue;
|
|
struct sk_buff_head down_queue;
|
|
struct sk_buff_head tmp_queue;
|
|
spinlock_t lock;
|
|
} layer2_t;
|
|
|
|
/* l2 status_info */
|
|
typedef struct _status_info_l2 {
|
|
int len;
|
|
int typ;
|
|
int protocol;
|
|
int state;
|
|
int sapi;
|
|
int tei;
|
|
laddr_t addr;
|
|
u_int maxlen;
|
|
u_long flag;
|
|
u_int vs;
|
|
u_int va;
|
|
u_int vr;
|
|
int rc;
|
|
u_int window;
|
|
u_int sow;
|
|
int T200;
|
|
int N200;
|
|
int T203;
|
|
int len_i_queue;
|
|
int len_ui_queue;
|
|
int len_d_queue;
|
|
int debug;
|
|
int tei_state;
|
|
int tei_ri;
|
|
int T202;
|
|
int N202;
|
|
int tei_debug;
|
|
} status_info_l2_t;
|
|
|
|
/* from mISDN_l2.c */
|
|
extern int tei_l2(layer2_t *l2, struct sk_buff *skb);
|
|
|
|
/* from tei.c */
|
|
extern int l2_tei(teimgr_t *tm, struct sk_buff *skb);
|
|
extern int create_teimgr(layer2_t *l2);
|
|
extern void release_tei(teimgr_t *tm);
|
|
extern int TEIInit(void);
|
|
extern void TEIFree(void);
|
|
|
|
#define GROUP_TEI 127
|
|
#define TEI_SAPI 63
|
|
#define CTRL_SAPI 0
|
|
|
|
#define RR 0x01
|
|
#define RNR 0x05
|
|
#define REJ 0x09
|
|
#define SABME 0x6f
|
|
#define SABM 0x2f
|
|
#define DM 0x0f
|
|
#define UI 0x03
|
|
#define DISC 0x43
|
|
#define UA 0x63
|
|
#define FRMR 0x87
|
|
#define XID 0xaf
|
|
|
|
#define CMD 0
|
|
#define RSP 1
|
|
|
|
#define LC_FLUSH_WAIT 1
|
|
|
|
#define FLG_LAPB 0
|
|
#define FLG_LAPD 1
|
|
#define FLG_ORIG 2
|
|
#define FLG_MOD128 3
|
|
#define FLG_PEND_REL 4
|
|
#define FLG_L3_INIT 5
|
|
#define FLG_T200_RUN 6
|
|
#define FLG_ACK_PEND 7
|
|
#define FLG_REJEXC 8
|
|
#define FLG_OWN_BUSY 9
|
|
#define FLG_PEER_BUSY 10
|
|
#define FLG_DCHAN_BUSY 11
|
|
#define FLG_L1_ACTIV 12
|
|
#define FLG_ESTAB_PEND 13
|
|
#define FLG_PTP 14
|
|
#define FLG_FIXED_TEI 15
|
|
#define FLG_L2BLOCK 16
|
|
#define FLG_L1_BUSY 17
|
|
#define FLG_LAPD_NET 18
|