Add mISDN core files

Add mISDN core files

Signed-off-by: Karsten Keil <kkeil@suse.de>

1 files changed, 140 insertions, 0 deletions

diff --git a/drivers/isdn/mISDN/layer2.h b/drivers/isdn/mISDN/layer2.h
new file mode 100644
index 000000000000..de2dd02056a3
--- /dev/null
+++ b/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, u_long);
+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             release_tei(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