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https://github.com/FEX-Emu/linux.git
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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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BlueCore Serial Protocol (BCSP) for Linux Bluetooth stack (BlueZ).
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Copyright 2002 by Fabrizio Gennari <fabrizio.gennari@philips.com>
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Based on
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hci_h4.c by Maxim Krasnyansky <maxk@qualcomm.com>
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ABCSP by Carl Orsborn <cjo@csr.com>
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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 version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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SOFTWARE IS DISCLAIMED.
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*/
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/*
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* $Id: hci_bcsp.h,v 1.2 2002/09/26 05:05:14 maxk Exp $
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*/
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#ifndef __HCI_BCSP_H__
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#define __HCI_BCSP_H__
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#define BCSP_TXWINSIZE 4
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#define BCSP_ACK_PKT 0x05
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#define BCSP_LE_PKT 0x06
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struct bcsp_struct {
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struct sk_buff_head unack; /* Unack'ed packets queue */
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struct sk_buff_head rel; /* Reliable packets queue */
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struct sk_buff_head unrel; /* Unreliable packets queue */
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unsigned long rx_count;
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struct sk_buff *rx_skb;
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u8 rxseq_txack; /* rxseq == txack. */
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u8 rxack; /* Last packet sent by us that the peer ack'ed */
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struct timer_list tbcsp;
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enum {
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BCSP_W4_PKT_DELIMITER,
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BCSP_W4_PKT_START,
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BCSP_W4_BCSP_HDR,
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BCSP_W4_DATA,
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BCSP_W4_CRC
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} rx_state;
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enum {
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BCSP_ESCSTATE_NOESC,
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BCSP_ESCSTATE_ESC
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} rx_esc_state;
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u16 message_crc;
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u8 txack_req; /* Do we need to send ack's to the peer? */
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/* Reliable packet sequence number - used to assign seq to each rel pkt. */
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u8 msgq_txseq;
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};
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#endif /* __HCI_BCSP_H__ */
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