1 /*********************************************************************
3 * Filename: irlap_frame.h
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>
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>
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.
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.
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,
31 ********************************************************************/
36 #include <linux/skbuff.h>
38 #include <net/irda/irda.h>
40 /* A few forward declarations (to make compiler happy) */
44 /* Frame types and templates */
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 */
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 */
63 #define RR 0x01 /* Receive Ready */
64 #define REJ 0x09 /* Reject */
65 #define RNR 0x05 /* Receive Not Ready */
66 #define SREJ 0x0d /* Selective Reject */
69 #define I_FRAME 0x00 /* Information Format */
70 #define UI_FRAME 0x03 /* Unnumbered Information */
72 #define CMD_FRAME 0x01
73 #define RSP_FRAME 0x00
75 #define PF_BIT 0x10 /* Poll/final bit */
77 /* Some IrLAP field lengths */
79 * Only baud rate triplet is 4 bytes (PV can be 2 bytes).
80 * All others params (7) are 3 bytes, so that's 7*3 + 1*4 bytes.
82 #define IRLAP_NEGOCIATION_PARAMS_LEN 25
83 #define IRLAP_DISCOVERY_INFO_LEN 32
86 __u8 caddr; /* Connection address */
91 __u8 caddr; /* Connection address */
93 __u8 ident; /* Should always be XID_FORMAT */
94 __le32 saddr; /* Source device address */
95 __le32 daddr; /* Destination device address */
96 __u8 flags; /* Discovery flags */
102 __u8 caddr; /* Connection address */
104 __le32 saddr; /* Source device address */
105 __le32 daddr; /* Destination device address */
111 __le32 saddr; /* Source device address */
112 __le32 daddr; /* Dest device address */
116 __u8 caddr; /* Connection address */
121 __u8 caddr; /* Connection address */
126 __u8 caddr; /* Connection address */
143 void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb);
144 void irlap_send_discovery_xid_frame(struct irlap_cb *, int S, __u8 s,
146 struct discovery_t *discovery);
147 void irlap_send_snrm_frame(struct irlap_cb *, struct qos_info *);
148 void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
149 struct sk_buff *cmd);
150 void irlap_send_ua_response_frame(struct irlap_cb *, struct qos_info *);
151 void irlap_send_dm_frame(struct irlap_cb *self);
152 void irlap_send_rd_frame(struct irlap_cb *self);
153 void irlap_send_disc_frame(struct irlap_cb *self);
154 void irlap_send_rr_frame(struct irlap_cb *self, int command);
156 void irlap_send_data_primary(struct irlap_cb *, struct sk_buff *);
157 void irlap_send_data_primary_poll(struct irlap_cb *, struct sk_buff *);
158 void irlap_send_data_secondary(struct irlap_cb *, struct sk_buff *);
159 void irlap_send_data_secondary_final(struct irlap_cb *, struct sk_buff *);
160 void irlap_resend_rejected_frames(struct irlap_cb *, int command);
161 void irlap_resend_rejected_frame(struct irlap_cb *self, int command);
163 void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
164 __u8 caddr, int command);
166 extern int irlap_insert_qos_negotiation_params(struct irlap_cb *self,
167 struct sk_buff *skb);