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/*********************************************************************
*
* Filename: irlap_frame.h
* Version: 0.9
* Description: IrLAP frame declarations
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Tue Aug 19 10:27:26 1997
* Modified at: Sat Dec 25 21:07:26 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1997-1999 Dag Brattli <dagb@cs.uit.no>,
* All Rights Reserved.
* Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
********************************************************************/
#ifndef IRLAP_FRAME_H
#define IRLAP_FRAME_H
#include <linux/skbuff.h>
#include <net/irda/irda.h>
/* A few forward declarations (to make compiler happy) */
struct irlap_cb;
struct discovery_t;
/* 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 */
/* Some IrLAP field lengths */
/*
* Only baud rate triplet is 4 bytes (PV can be 2 bytes).
* All others params (7) are 3 bytes, so that's 7*3 + 1*4 bytes.
*/
#define IRLAP_NEGOCIATION_PARAMS_LEN 25
#define IRLAP_DISCOVERY_INFO_LEN 32
struct disc_frame {
__u8 caddr; /* Connection address */
__u8 control;
} __packed;
struct xid_frame {
__u8 caddr; /* Connection address */
__u8 control;
__u8 ident; /* Should always be XID_FORMAT */
__le32 saddr; /* Source device address */
__le32 daddr; /* Destination device address */
__u8 flags; /* Discovery flags */
__u8 slotnr;
__u8 version;
} __packed;
struct test_frame {
__u8 caddr; /* Connection address */
__u8 control;
__le32 saddr; /* Source device address */
__le32 daddr; /* Destination device address */
} __packed;
struct ua_frame {
__u8 caddr;
__u8 control;
__le32 saddr; /* Source device address */
__le32 daddr; /* Dest device address */
} __packed;
struct dm_frame {
__u8 caddr; /* Connection address */
__u8 control;
} __packed;
struct rd_frame {
__u8 caddr; /* Connection address */
__u8 control;
} __packed;
struct rr_frame {
__u8 caddr; /* Connection address */
__u8 control;
} __packed;
struct i_frame {
__u8 caddr;
__u8 control;
} __packed;
struct snrm_frame {
__u8 caddr;
__u8 control;
__le32 saddr;
__le32 daddr;
__u8 ncaddr;
} __packed;
void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb);
void irlap_send_discovery_xid_frame(struct irlap_cb *, int S, __u8 s,
__u8 command,
struct discovery_t *discovery);
void irlap_send_snrm_frame(struct irlap_cb *, struct qos_info *);
void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
struct sk_buff *cmd);
void irlap_send_ua_response_frame(struct irlap_cb *, struct qos_info *);
void irlap_send_dm_frame(struct irlap_cb *self);
void irlap_send_rd_frame(struct irlap_cb *self);
void irlap_send_disc_frame(struct irlap_cb *self);
void irlap_send_rr_frame(struct irlap_cb *self, 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_resend_rejected_frame(struct irlap_cb *self, int command);
void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
__u8 caddr, int command);
int irlap_insert_qos_negotiation_params(struct irlap_cb *self,
struct sk_buff *skb);
#endif