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 * 15 * This program is free software; you can redistribute it and/or 16 * modify it under the terms of the GNU General Public License as 17 * published by the Free Software Foundation; either version 2 of 18 * the License, or (at your option) any later version. 19 * 20 * This program is distributed in the hope that it will be useful, 21 * but WITHOUT ANY WARRANTY; without even the implied warranty of 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 23 * GNU General Public License for more details. 24 * 25 * You should have received a copy of the GNU General Public License 26 * along with this program; if not, write to the Free Software 27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 28 * MA 02111-1307 USA 29 * 30 ********************************************************************/ 31 32 #ifndef IRLAP_FRAME_H 33 #define IRLAP_FRAME_H 34 35 #include <linux/skbuff.h> 36 37 #include <net/irda/irda.h> 38 #include <net/irda/irlap.h> 39 #include <net/irda/qos.h> 40 41 /* Frame types and templates */ 42 #define INVALID 0xff 43 44 /* Unnumbered (U) commands */ 45 #define SNRM_CMD 0x83 /* Set Normal Response Mode */ 46 #define DISC_CMD 0x43 /* Disconnect */ 47 #define XID_CMD 0x2f /* Exchange Station Identification */ 48 #define TEST_CMD 0xe3 /* Test */ 49 50 /* Unnumbered responses */ 51 #define RNRM_RSP 0x83 /* Request Normal Response Mode */ 52 #define UA_RSP 0x63 /* Unnumbered Acknowledgement */ 53 #define FRMR_RSP 0x87 /* Frame Reject */ 54 #define DM_RSP 0x0f /* Disconnect Mode */ 55 #define RD_RSP 0x43 /* Request Disconnection */ 56 #define XID_RSP 0xaf /* Exchange Station Identification */ 57 #define TEST_RSP 0xe3 /* Test frame */ 58 59 /* Supervisory (S) */ 60 #define RR 0x01 /* Receive Ready */ 61 #define REJ 0x09 /* Reject */ 62 #define RNR 0x05 /* Receive Not Ready */ 63 #define SREJ 0x0d /* Selective Reject */ 64 65 /* Information (I) */ 66 #define I_FRAME 0x00 /* Information Format */ 67 #define UI_FRAME 0x03 /* Unnumbered Information */ 68 69 #define CMD_FRAME 0x01 70 #define RSP_FRAME 0x00 71 72 #define PF_BIT 0x10 /* Poll/final bit */ 73 74 struct xid_frame { 75 __u8 caddr; /* Connection address */ 76 __u8 control; 77 __u8 ident; /* Should always be XID_FORMAT */ 78 __u32 saddr; /* Source device address */ 79 __u32 daddr; /* Destination device address */ 80 __u8 flags; /* Discovery flags */ 81 __u8 slotnr; 82 __u8 version; 83 } PACK; 84 85 struct test_frame { 86 __u8 caddr; /* Connection address */ 87 __u8 control; 88 __u32 saddr; /* Source device address */ 89 __u32 daddr; /* Destination device address */ 90 } PACK; 91 92 struct ua_frame { 93 __u8 caddr; 94 __u8 control; 95 96 __u32 saddr; /* Source device address */ 97 __u32 daddr; /* Dest device address */ 98 } PACK; 99 100 struct i_frame { 101 __u8 caddr; 102 __u8 control; 103 } PACK; 104 105 struct snrm_frame { 106 __u8 caddr; 107 __u8 control; 108 __u32 saddr; 109 __u32 daddr; 110 __u8 ncaddr; 111 } PACK; 112 113 void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb); 114 void irlap_send_discovery_xid_frame(struct irlap_cb *, int S, __u8 s, 115 __u8 command, discovery_t *discovery); 116 void irlap_send_snrm_frame(struct irlap_cb *, struct qos_info *); 117 void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr, 118 struct sk_buff *cmd); 119 void irlap_send_ua_response_frame(struct irlap_cb *, struct qos_info *); 120 void irlap_send_dm_frame(struct irlap_cb *self); 121 void irlap_send_rd_frame(struct irlap_cb *self); 122 void irlap_send_disc_frame(struct irlap_cb *self); 123 void irlap_send_rr_frame(struct irlap_cb *self, int command); 124 125 void irlap_send_data_primary(struct irlap_cb *, struct sk_buff *); 126 void irlap_send_data_primary_poll(struct irlap_cb *, struct sk_buff *); 127 void irlap_send_data_secondary(struct irlap_cb *, struct sk_buff *); 128 void irlap_send_data_secondary_final(struct irlap_cb *, struct sk_buff *); 129 void irlap_resend_rejected_frames(struct irlap_cb *, int command); 130 void irlap_resend_rejected_frame(struct irlap_cb *self, int command); 131 132 void irlap_send_i_frame(struct irlap_cb *, struct sk_buff *, int command); 133 void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb, 134 __u8 caddr, int command); 135 136 extern int irlap_insert_qos_negotiation_params(struct irlap_cb *self, 137 struct sk_buff *skb); 138 139 #endif 140