patch-2.1.132 linux/include/net/irda/irlap_frame.h

• Lines: 156
• Date: Thu Dec 17 09:01:03 1998
• Orig file: v2.1.131/linux/include/net/irda/irlap_frame.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.131/linux/include/net/irda/irlap_frame.h linux/include/net/irda/irlap_frame.h
@@ -0,0 +1,155 @@
+/*********************************************************************
+ *                
+ * Filename:      irlap_frame.h
+ * Version:       0.3
+ * Description:   Build and transmit IrLAP frames
+ * Status:        Experimental.
+ * Author:        Dag Brattli <dagb@cs.uit.no>
+ * Created at:    Tue Aug 19 10:27:26 1997
+ * Modified at:   Mon Dec 14 14:22:23 1998
+ * Modified by:   Dag Brattli <dagb@cs.uit.no>
+ * 
+ *     Copyright (c) 1998 Dag Brattli <dagb@cs.uit.no>, All Rights Reserved.
+ *     
+ *     This program is free software; you can redistribute it and/or 
+ *     modify it under the terms of the GNU General Public License as 
+ *     published by the Free Software Foundation; either version 2 of 
+ *     the License, or (at your option) any later version.
+ *
+ *     Neither Dag Brattli nor University of Tromsų admit liability nor
+ *     provide warranty for any of this software. This material is 
+ *     provided "AS-IS" and at no charge.
+ *
+ ********************************************************************/
+
+#ifndef IRLAP_FRAME_H
+#define IRLAP_FRAME_H
+
+#include <linux/skbuff.h>
+
+#include <net/irda/irmod.h>
+#include <net/irda/irlap.h>
+#include <net/irda/qos.h>
+
+/* Frame types and templates */
+#define INVALID   0xff
+
+/* Unnumbered (U) commands */
+#define SNRM_CMD  0x83 /* Set Normal Response Mode */
+#define DISC_CMD  0x43 /* Disconnect */
+#define XID_CMD   0x2f /* Exchange Station Identification */
+#define TEST_CMD  0xe3 /* Test */
+
+/* Unnumbered responses */
+#define RNRM_RSP  0x83 /* Request Normal Response Mode */
+#define UA_RSP    0x63 /* Unnumbered Acknowledgement */
+#define FRMR_RSP  0x87 /* Frame Reject */
+#define DM_RSP    0x0f /* Disconnect Mode */
+#define RD_RSP    0x43 /* Request Disconnection */
+#define XID_RSP   0xaf /* Exchange Station Identification */
+#define TEST_RSP  0xe3 /* Test frame */
+
+/* Supervisory (S) */
+#define RR        0x01 /* Receive Ready */
+#define REJ       0x09 /* Reject */
+#define RNR       0x05 /* Receive Not Ready */
+#define SREJ      0x0d /* Selective Reject */
+
+/* Information (I) */
+#define I_FRAME   0x00 /* Information Format */
+#define UI_FRAME  0x03 /* Unnumbered Information */
+
+#define CMD_FRAME  0x01
+#define RSP_FRAME  0x00
+
+#define PF_BIT 0x10 /* Poll/final bit */
+
+#define IR_S                  0x01    /* Supervisory frames */
+#define IR_RR                 0x01    /* Receiver ready */
+#define IR_RNR                0x05    /* Receiver not ready */
+#define IR_REJ                0x09    /* Reject */
+#define IR_U                  0x03    /* Unnumbered frames */
+#define IR_SNRM               0x2f    /* Set Asynchronous Balanced Mode */
+
+#define IR_DISC               0x43    /* Disconnect */
+#define IR_DM                 0x0f    /* Disconnected mode */
+#define IR_UA                 0x63    /* Unnumbered acknowledge */
+#define IR_FRMR               0x87    /* Frame reject */
+#define IR_UI                 0x03    /* Unnumbered information */
+
+struct xid_frame {
+	__u8  caddr     __attribute__((packed)); /* Connection address */
+	__u8  control   __attribute__((packed));
+	__u8  ident     __attribute__((packed)); /* Should always be XID_FORMAT */ 
+	__u32 saddr     __attribute__((packed)); /* Source device address */
+	__u32 daddr     __attribute__((packed)); /* Destination device address */
+	__u8  flags     __attribute__((packed)); /* Discovery flags */
+	__u8  slotnr    __attribute__((packed));
+	__u8  version   __attribute__((packed));
+	__u8  discovery_info[0]  __attribute__((packed));
+};
+
+struct test_frame {
+	__u8 caddr;          /* Connection address */
+	__u8 control;
+	__u8 saddr;          /* Source device address */
+	__u8 daddr;          /* Destination device address */
+	__u8 *info;          /* Information */
+};
+
+struct ua_frame {
+	__u8 caddr   __attribute__((packed));
+	__u8 control __attribute__((packed));
+
+	__u32 saddr     __attribute__((packed)); /* Source device address */
+	__u32 daddr     __attribute__((packed)); /* Dest device address */
+	__u8  params[0];
+};
+	
+struct i_frame {
+	__u8 caddr   __attribute__((packed));
+	__u8 control __attribute__((packed));
+	__u8 data[0] __attribute__((packed));
+};
+
+struct snrm_frame {
+	__u8  caddr   __attribute__((packed));
+	__u8  control __attribute__((packed));
+	__u32 saddr   __attribute__((packed));
+	__u32 daddr   __attribute__((packed));
+	__u8  ncaddr  __attribute__((packed));
+	__u8  params[0];
+};
+
+/* Per-packet information we need to hide inside sk_buff */
+struct irlap_skb_cb {
+	int mtt;   /* minimum turn around time */
+	int xbofs; /* number of xbofs required */
+	int vs;    /* next frame to send */
+	int vr;    /* next frame to receive */
+};
+
+__inline__ void irlap_insert_mtt( struct irlap_cb *self, struct sk_buff *skb);
+
+void irlap_send_discovery_xid_frame( struct irlap_cb *, int S, __u8 s, 
+				     __u8 command, DISCOVERY *discovery);
+void irlap_send_snrm_frame( struct irlap_cb *, struct qos_info *);
+void irlap_send_ua_response_frame( struct irlap_cb *, struct qos_info *);
+void irlap_send_ui_frame( struct irlap_cb *self, struct sk_buff *skb,
+			  int command);
+void irlap_send_dm_frame( struct irlap_cb *);
+void irlap_send_disc_frame( struct irlap_cb *);
+void irlap_send_rr_frame( struct irlap_cb *, int command);
+
+void irlap_send_data_primary( struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_primary_poll( struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_secondary( struct irlap_cb *, struct sk_buff *);
+void irlap_send_data_secondary_final( struct irlap_cb *, struct sk_buff *);
+void irlap_resend_rejected_frames( struct irlap_cb *, int command);
+
+void irlap_send_i_frame( struct irlap_cb *, struct sk_buff *, int command);
+void irlap_send_ui_frame( struct irlap_cb *, struct sk_buff *, int command);
+
+/* void irlap_input( struct irlap_cb *self, struct sk_buff *skb); */
+
+#endif