/********************************************************************* * * 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; } IRDA_PACK; 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; } IRDA_PACK; struct test_frame { __u8 caddr; /* Connection address */ __u8 control; __le32 saddr; /* Source device address */ __le32 daddr; /* Destination device address */ } IRDA_PACK; struct ua_frame { __u8 caddr; __u8 control; __le32 saddr; /* Source device address */ __le32 daddr; /* Dest device address */ } IRDA_PACK; struct dm_frame { __u8 caddr; /* Connection address */ __u8 control; } IRDA_PACK; struct rd_frame { __u8 caddr; /* Connection address */ __u8 control; } IRDA_PACK; struct rr_frame { __u8 caddr; /* Connection address */ __u8 control; } IRDA_PACK; struct i_frame { __u8 caddr; __u8 control; } IRDA_PACK; struct snrm_frame { __u8 caddr; __u8 control; __le32 saddr; __le32 daddr; __u8 ncaddr; } IRDA_PACK; 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); extern int irlap_insert_qos_negotiation_params(struct irlap_cb *self, struct sk_buff *skb); #endif