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131 lines
2.4 KiB
131 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Layer 2 defines |
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* |
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* Copyright 2008 by Karsten Keil <[email protected]> |
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*/ |
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#include <linux/mISDNif.h> |
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#include <linux/skbuff.h> |
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#include "fsm.h" |
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#define MAX_WINDOW 8 |
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struct manager { |
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struct mISDNchannel ch; |
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struct mISDNchannel bcast; |
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u_long options; |
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struct list_head layer2; |
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rwlock_t lock; |
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struct FsmInst deact; |
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struct FsmTimer datimer; |
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struct sk_buff_head sendq; |
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struct mISDNchannel *up; |
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u_int nextid; |
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u_int lastid; |
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}; |
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struct teimgr { |
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int ri; |
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int rcnt; |
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struct FsmInst tei_m; |
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struct FsmTimer timer; |
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int tval, nval; |
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struct layer2 *l2; |
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struct manager *mgr; |
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}; |
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struct laddr { |
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u_char A; |
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u_char B; |
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}; |
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struct layer2 { |
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struct list_head list; |
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struct mISDNchannel ch; |
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u_long flag; |
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int id; |
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struct mISDNchannel *up; |
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signed char sapi; |
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signed char tei; |
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struct laddr addr; |
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u_int maxlen; |
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struct teimgr *tm; |
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u_int vs, va, vr; |
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int rc; |
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u_int window; |
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u_int sow; |
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struct FsmInst l2m; |
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struct FsmTimer t200, t203; |
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int T200, N200, T203; |
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u_int next_id; |
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u_int down_id; |
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struct sk_buff *windowar[MAX_WINDOW]; |
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struct sk_buff_head i_queue; |
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struct sk_buff_head ui_queue; |
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struct sk_buff_head down_queue; |
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struct sk_buff_head tmp_queue; |
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}; |
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enum { |
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ST_L2_1, |
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ST_L2_2, |
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ST_L2_3, |
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ST_L2_4, |
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ST_L2_5, |
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ST_L2_6, |
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ST_L2_7, |
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ST_L2_8, |
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}; |
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#define L2_STATE_COUNT (ST_L2_8 + 1) |
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extern struct layer2 *create_l2(struct mISDNchannel *, u_int, |
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u_long, int, int); |
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extern int tei_l2(struct layer2 *, u_int, u_long arg); |
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/* from tei.c */ |
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extern int l2_tei(struct layer2 *, u_int, u_long arg); |
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extern void TEIrelease(struct layer2 *); |
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extern int TEIInit(u_int *); |
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extern void TEIFree(void); |
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#define MAX_L2HEADER_LEN 4 |
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#define RR 0x01 |
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#define RNR 0x05 |
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#define REJ 0x09 |
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#define SABME 0x6f |
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#define SABM 0x2f |
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#define DM 0x0f |
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#define UI 0x03 |
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#define DISC 0x43 |
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#define UA 0x63 |
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#define FRMR 0x87 |
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#define XID 0xaf |
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#define CMD 0 |
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#define RSP 1 |
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#define LC_FLUSH_WAIT 1 |
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#define FLG_LAPB 0 |
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#define FLG_LAPD 1 |
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#define FLG_ORIG 2 |
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#define FLG_MOD128 3 |
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#define FLG_PEND_REL 4 |
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#define FLG_L3_INIT 5 |
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#define FLG_T200_RUN 6 |
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#define FLG_ACK_PEND 7 |
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#define FLG_REJEXC 8 |
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#define FLG_OWN_BUSY 9 |
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#define FLG_PEER_BUSY 10 |
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#define FLG_DCHAN_BUSY 11 |
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#define FLG_L1_ACTIV 12 |
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#define FLG_ESTAB_PEND 13 |
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#define FLG_PTP 14 |
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#define FLG_FIXED_TEI 15 |
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#define FLG_L2BLOCK 16 |
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#define FLG_L1_NOTREADY 17 |
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#define FLG_LAPD_NET 18
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