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Linux kernel mirror (for testing)
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1/*********************************************************************
2 *
3 * Filename: irlap_frame.h
4 * Version: 0.9
5 * Description: IrLAP frame declarations
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Tue Aug 19 10:27:26 1997
9 * Modified at: Sat Dec 25 21:07:26 1999
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
11 *
12 * Copyright (c) 1997-1999 Dag Brattli <dagb@cs.uit.no>,
13 * All Rights Reserved.
14 * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
15 *
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License as
18 * published by the Free Software Foundation; either version 2 of
19 * the License, or (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 * MA 02111-1307 USA
30 *
31 ********************************************************************/
32
33#ifndef IRLAP_FRAME_H
34#define IRLAP_FRAME_H
35
36#include <linux/skbuff.h>
37
38#include <net/irda/irda.h>
39
40/* A few forward declarations (to make compiler happy) */
41struct irlap_cb;
42struct discovery_t;
43
44/* Frame types and templates */
45#define INVALID 0xff
46
47/* Unnumbered (U) commands */
48#define SNRM_CMD 0x83 /* Set Normal Response Mode */
49#define DISC_CMD 0x43 /* Disconnect */
50#define XID_CMD 0x2f /* Exchange Station Identification */
51#define TEST_CMD 0xe3 /* Test */
52
53/* Unnumbered responses */
54#define RNRM_RSP 0x83 /* Request Normal Response Mode */
55#define UA_RSP 0x63 /* Unnumbered Acknowledgement */
56#define FRMR_RSP 0x87 /* Frame Reject */
57#define DM_RSP 0x0f /* Disconnect Mode */
58#define RD_RSP 0x43 /* Request Disconnection */
59#define XID_RSP 0xaf /* Exchange Station Identification */
60#define TEST_RSP 0xe3 /* Test frame */
61
62/* Supervisory (S) */
63#define RR 0x01 /* Receive Ready */
64#define REJ 0x09 /* Reject */
65#define RNR 0x05 /* Receive Not Ready */
66#define SREJ 0x0d /* Selective Reject */
67
68/* Information (I) */
69#define I_FRAME 0x00 /* Information Format */
70#define UI_FRAME 0x03 /* Unnumbered Information */
71
72#define CMD_FRAME 0x01
73#define RSP_FRAME 0x00
74
75#define PF_BIT 0x10 /* Poll/final bit */
76
77struct xid_frame {
78 __u8 caddr; /* Connection address */
79 __u8 control;
80 __u8 ident; /* Should always be XID_FORMAT */
81 __u32 saddr; /* Source device address */
82 __u32 daddr; /* Destination device address */
83 __u8 flags; /* Discovery flags */
84 __u8 slotnr;
85 __u8 version;
86} IRDA_PACK;
87
88struct test_frame {
89 __u8 caddr; /* Connection address */
90 __u8 control;
91 __u32 saddr; /* Source device address */
92 __u32 daddr; /* Destination device address */
93} IRDA_PACK;
94
95struct ua_frame {
96 __u8 caddr;
97 __u8 control;
98
99 __u32 saddr; /* Source device address */
100 __u32 daddr; /* Dest device address */
101} IRDA_PACK;
102
103struct i_frame {
104 __u8 caddr;
105 __u8 control;
106} IRDA_PACK;
107
108struct snrm_frame {
109 __u8 caddr;
110 __u8 control;
111 __u32 saddr;
112 __u32 daddr;
113 __u8 ncaddr;
114} IRDA_PACK;
115
116void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb);
117void irlap_send_discovery_xid_frame(struct irlap_cb *, int S, __u8 s,
118 __u8 command,
119 struct discovery_t *discovery);
120void irlap_send_snrm_frame(struct irlap_cb *, struct qos_info *);
121void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
122 struct sk_buff *cmd);
123void irlap_send_ua_response_frame(struct irlap_cb *, struct qos_info *);
124void irlap_send_dm_frame(struct irlap_cb *self);
125void irlap_send_rd_frame(struct irlap_cb *self);
126void irlap_send_disc_frame(struct irlap_cb *self);
127void irlap_send_rr_frame(struct irlap_cb *self, int command);
128
129void irlap_send_data_primary(struct irlap_cb *, struct sk_buff *);
130void irlap_send_data_primary_poll(struct irlap_cb *, struct sk_buff *);
131void irlap_send_data_secondary(struct irlap_cb *, struct sk_buff *);
132void irlap_send_data_secondary_final(struct irlap_cb *, struct sk_buff *);
133void irlap_resend_rejected_frames(struct irlap_cb *, int command);
134void irlap_resend_rejected_frame(struct irlap_cb *self, int command);
135
136void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
137 __u8 caddr, int command);
138
139extern int irlap_insert_qos_negotiation_params(struct irlap_cb *self,
140 struct sk_buff *skb);
141
142#endif