114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2004-2011 Atheros Communications Inc.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef EPPING_H
|
|
#define EPPING_H
|
|
|
|
#include "htc.h"
|
|
|
|
/* alignment to 4-bytes */
|
|
#define EPPING_ALIGNMENT_PAD (((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \
|
|
- sizeof(struct htc_frame_hdr))
|
|
|
|
#define HCI_RSVD_EXPECTED_PKT_TYPE_RECV_OFFSET 7
|
|
|
|
struct epping_header {
|
|
/* reserved for HCI packet header (GMBOX) testing */
|
|
u8 hcirsvd[8];
|
|
|
|
/* stream no. to echo this packet on (filled by host) */
|
|
u8 stream_echo_h;
|
|
|
|
/* stream no. packet was echoed to (filled by target)
|
|
When echoed: stream_echo_sent == stream_echo */
|
|
u8 stream_echo_sent_t;
|
|
|
|
/* stream no. that target received this packet on (filled by target) */
|
|
u8 stream_recv_t;
|
|
|
|
/* stream number to send on (filled by host) */
|
|
u8 stream_no_h;
|
|
|
|
/* magic number to filter for this packet on the host*/
|
|
u8 magic_h[4];
|
|
|
|
/* reserved fields that must be set to a "reserved" value
|
|
since this packet maps to a 14-byte ethernet frame we want
|
|
to make sure ethertype field is set to something unknown */
|
|
u8 srsvd[6];
|
|
|
|
/* padding for alignment */
|
|
u8 pad[2];
|
|
|
|
/* timestamp of packet (host or target) */
|
|
u8 time_stamp[8];
|
|
|
|
/* 4 byte host context, target echos this back */
|
|
u32 host_context;
|
|
|
|
/* sequence number (set by host or target) */
|
|
u32 seq_no;
|
|
|
|
/* ping command (filled by host) */
|
|
u16 cmd_id_h;
|
|
|
|
/* optional flags */
|
|
u16 cmd_flags_h;
|
|
|
|
/* buffer for command (host -> target) */
|
|
u8 cmd_buffer_h[8];
|
|
|
|
/* buffer for command (target -> host) */
|
|
u8 cmd_buffer_t[8];
|
|
|
|
/* length of data */
|
|
u16 data_length;
|
|
|
|
/* 16 bit CRC of data */
|
|
u16 crc;
|
|
|
|
/* header CRC (fields : StreamNo_h to end, minus HeaderCRC) */
|
|
u16 header_crc;
|
|
} __packed;
|
|
|
|
#define EPPING_PING_MAGIC_0 0xAA
|
|
#define EPPING_PING_MAGIC_1 0x55
|
|
#define EPPING_PING_MAGIC_2 0xCE
|
|
#define EPPING_PING_MAGIC_3 0xEC
|
|
|
|
#define IS_EPPING_PACKET(pPkt) \
|
|
(((pPkt)->magic_h[0] == EPPING_PING_MAGIC_0) && \
|
|
((pPkt)->magic_h[1] == EPPING_PING_MAGIC_1) && \
|
|
((pPkt)->magic_h[2] == EPPING_PING_MAGIC_2) && \
|
|
((pPkt)->magic_h[3] == EPPING_PING_MAGIC_3))
|
|
|
|
/* DataCRC field is valid */
|
|
#define CMD_FLAGS_DATA_CRC (1 << 0)
|
|
|
|
/* delay the echo of the packet */
|
|
#define CMD_FLAGS_DELAY_ECHO (1 << 1)
|
|
|
|
/* do not drop at HTC layer no matter what the stream is */
|
|
#define CMD_FLAGS_NO_DROP (1 << 2)
|
|
|
|
#define IS_EPING_PACKET_NO_DROP(pPkt) ((pPkt)->cmd_flags_h & CMD_FLAGS_NO_DROP)
|
|
|
|
/* this number is higher than the define WMM AC classes so we
|
|
can use this to distinguish packets */
|
|
#define HCI_TRANSPORT_STREAM_NUM 16
|
|
|
|
#endif /*EPPING_H*/
|