Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / isdn / mISDN / layer2.h

diff --git a/kernel/drivers/isdn/mISDN/layer2.h b/kernel/drivers/isdn/mISDN/layer2.h
new file mode 100644 (file)
index 0000000..fe68d94
--- /dev/null
+++ b/kernel/drivers/isdn/mISDN/layer2.h
@@ -0,0 +1,140 @@
+/*
+ * Layer 2 defines
+ *
+ * Copyright 2008  by Karsten Keil <kkeil@novell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/mISDNif.h>
+#include <linux/skbuff.h>
+#include "fsm.h"
+
+#define MAX_WINDOW     8
+
+struct manager {
+       struct mISDNchannel     ch;
+       struct mISDNchannel     bcast;
+       u_long                  options;
+       struct list_head        layer2;
+       rwlock_t                lock;
+       struct FsmInst          deact;
+       struct FsmTimer         datimer;
+       struct sk_buff_head     sendq;
+       struct mISDNchannel     *up;
+       u_int                   nextid;
+       u_int                   lastid;
+};
+
+struct teimgr {
+       int                     ri;
+       int                     rcnt;
+       struct FsmInst          tei_m;
+       struct FsmTimer         timer;
+       int                     tval, nval;
+       struct layer2           *l2;
+       struct manager          *mgr;
+};
+
+struct laddr {
+       u_char  A;
+       u_char  B;
+};
+
+struct layer2 {
+       struct list_head        list;
+       struct mISDNchannel     ch;
+       u_long                  flag;
+       int                     id;
+       struct mISDNchannel     *up;
+       signed char             sapi;
+       signed char             tei;
+       struct laddr            addr;
+       u_int                   maxlen;
+       struct teimgr           *tm;
+       u_int                   vs, va, vr;
+       int                     rc;
+       u_int                   window;
+       u_int                   sow;
+       struct FsmInst          l2m;
+       struct FsmTimer         t200, t203;
+       int                     T200, N200, T203;
+       u_int                   next_id;
+       u_int                   down_id;
+       struct sk_buff          *windowar[MAX_WINDOW];
+       struct sk_buff_head     i_queue;
+       struct sk_buff_head     ui_queue;
+       struct sk_buff_head     down_queue;
+       struct sk_buff_head     tmp_queue;
+};
+
+enum {
+       ST_L2_1,
+       ST_L2_2,
+       ST_L2_3,
+       ST_L2_4,
+       ST_L2_5,
+       ST_L2_6,
+       ST_L2_7,
+       ST_L2_8,
+};
+
+#define L2_STATE_COUNT (ST_L2_8 + 1)
+
+extern struct layer2   *create_l2(struct mISDNchannel *, u_int,
+                                  u_long, int, int);
+extern int             tei_l2(struct layer2 *, u_int, u_long arg);
+
+
+/* from tei.c */
+extern int             l2_tei(struct layer2 *, u_int, u_long arg);
+extern void            TEIrelease(struct layer2 *);
+extern int             TEIInit(u_int *);
+extern void            TEIFree(void);
+
+#define MAX_L2HEADER_LEN 4
+
+#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_NOTREADY        17
+#define FLG_LAPD_NET   18