diff options
Diffstat (limited to 'drivers/bluetooth/hci_bcsp.h')
| -rw-r--r-- | drivers/bluetooth/hci_bcsp.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_bcsp.h b/drivers/bluetooth/hci_bcsp.h new file mode 100644 index 000000000000..a2b3bb92274b --- /dev/null +++ b/drivers/bluetooth/hci_bcsp.h | |||
| @@ -0,0 +1,70 @@ | |||
| 1 | /* | ||
| 2 | BlueCore Serial Protocol (BCSP) for Linux Bluetooth stack (BlueZ). | ||
| 3 | Copyright 2002 by Fabrizio Gennari <fabrizio.gennari@philips.com> | ||
| 4 | |||
| 5 | Based on | ||
| 6 | hci_h4.c by Maxim Krasnyansky <maxk@qualcomm.com> | ||
| 7 | ABCSP by Carl Orsborn <cjo@csr.com> | ||
| 8 | |||
| 9 | This program is free software; you can redistribute it and/or modify | ||
| 10 | it under the terms of the GNU General Public License version 2 as | ||
| 11 | published by the Free Software Foundation; | ||
| 12 | |||
| 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| 14 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | ||
| 16 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | ||
| 17 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | ||
| 18 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| 19 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
| 20 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| 21 | |||
| 22 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | ||
| 23 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | ||
| 24 | SOFTWARE IS DISCLAIMED. | ||
| 25 | */ | ||
| 26 | |||
| 27 | /* | ||
| 28 | * $Id: hci_bcsp.h,v 1.2 2002/09/26 05:05:14 maxk Exp $ | ||
| 29 | */ | ||
| 30 | |||
| 31 | #ifndef __HCI_BCSP_H__ | ||
| 32 | #define __HCI_BCSP_H__ | ||
| 33 | |||
| 34 | #define BCSP_TXWINSIZE 4 | ||
| 35 | |||
| 36 | #define BCSP_ACK_PKT 0x05 | ||
| 37 | #define BCSP_LE_PKT 0x06 | ||
| 38 | |||
| 39 | struct bcsp_struct { | ||
| 40 | struct sk_buff_head unack; /* Unack'ed packets queue */ | ||
| 41 | struct sk_buff_head rel; /* Reliable packets queue */ | ||
| 42 | struct sk_buff_head unrel; /* Unreliable packets queue */ | ||
| 43 | |||
| 44 | unsigned long rx_count; | ||
| 45 | struct sk_buff *rx_skb; | ||
| 46 | u8 rxseq_txack; /* rxseq == txack. */ | ||
| 47 | u8 rxack; /* Last packet sent by us that the peer ack'ed */ | ||
| 48 | struct timer_list tbcsp; | ||
| 49 | |||
| 50 | enum { | ||
| 51 | BCSP_W4_PKT_DELIMITER, | ||
| 52 | BCSP_W4_PKT_START, | ||
| 53 | BCSP_W4_BCSP_HDR, | ||
| 54 | BCSP_W4_DATA, | ||
| 55 | BCSP_W4_CRC | ||
| 56 | } rx_state; | ||
| 57 | |||
| 58 | enum { | ||
| 59 | BCSP_ESCSTATE_NOESC, | ||
| 60 | BCSP_ESCSTATE_ESC | ||
| 61 | } rx_esc_state; | ||
| 62 | |||
| 63 | u16 message_crc; | ||
| 64 | u8 txack_req; /* Do we need to send ack's to the peer? */ | ||
| 65 | |||
| 66 | /* Reliable packet sequence number - used to assign seq to each rel pkt. */ | ||
| 67 | u8 msgq_txseq; | ||
| 68 | }; | ||
| 69 | |||
| 70 | #endif /* __HCI_BCSP_H__ */ | ||