/***
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*
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* include/rtmac/tdma/tdma_proto.h
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*
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* RTmac - real-time networking media access control subsystem
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* Copyright (C) 2002 Marc Kleine-Budde <kleine-budde@gmx.de>,
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* 2003, 2004 Jan Kiszka <Jan.Kiszka@web.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef __TDMA_PROTO_H_
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#define __TDMA_PROTO_H_
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#include <rtdev.h>
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#include <rtmac/tdma/tdma.h>
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#define TDMA_FRM_VERSION 0x0201
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#define TDMA_FRM_SYNC 0x0000
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#define TDMA_FRM_REQ_CAL 0x0010
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#define TDMA_FRM_RPL_CAL 0x0011
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struct tdma_frm_head {
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u16 version;
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u16 id;
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} __attribute__((packed));
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#define SYNC_FRM(head) ((struct tdma_frm_sync *)(head))
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struct tdma_frm_sync {
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struct tdma_frm_head head;
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u32 cycle_no;
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u64 xmit_stamp;
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u64 sched_xmit_stamp;
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} __attribute__((packed));
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#define REQ_CAL_FRM(head) ((struct tdma_frm_req_cal *)(head))
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struct tdma_frm_req_cal {
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struct tdma_frm_head head;
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u64 xmit_stamp;
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u32 reply_cycle;
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u64 reply_slot_offset;
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} __attribute__((packed));
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#define RPL_CAL_FRM(head) ((struct tdma_frm_rpl_cal *)(head))
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struct tdma_frm_rpl_cal {
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struct tdma_frm_head head;
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u64 request_xmit_stamp;
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u64 reception_stamp;
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u64 xmit_stamp;
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} __attribute__((packed));
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void tdma_xmit_sync_frame(struct tdma_priv *tdma);
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int tdma_xmit_request_cal_frame(struct tdma_priv *tdma, u32 reply_cycle,
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u64 reply_slot_offset);
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int tdma_rt_packet_tx(struct rtskb *rtskb, struct rtnet_device *rtdev);
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int tdma_nrt_packet_tx(struct rtskb *rtskb);
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int tdma_packet_rx(struct rtskb *rtskb);
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unsigned int tdma_get_mtu(struct rtnet_device *rtdev, unsigned int priority);
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#endif /* __TDMA_PROTO_H_ */
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