diff options
Diffstat (limited to 'drivers/staging/irda/include/net/irda/irlap_frame.h')
| -rw-r--r-- | drivers/staging/irda/include/net/irda/irlap_frame.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/staging/irda/include/net/irda/irlap_frame.h b/drivers/staging/irda/include/net/irda/irlap_frame.h new file mode 100644 index 000000000000..cbc12a926e5f --- /dev/null +++ b/drivers/staging/irda/include/net/irda/irlap_frame.h @@ -0,0 +1,167 @@ +/********************************************************************* + * + * 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, see <http://www.gnu.org/licenses/>. + * + ********************************************************************/ + +#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 |