83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
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/*-
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* Copyright (c) 2012 Adrian Chadd
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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#ifndef __IF_ATH_ALQ_H__
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#define __IF_ATH_ALQ_H__
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#define ATH_ALQ_FILENAME_LEN 128
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#define ATH_ALQ_DEVNAME_LEN 32
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struct if_ath_alq {
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uint32_t sc_alq_debug; /* Debug flags to report */
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struct alq * sc_alq_alq; /* alq state */
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unsigned int sc_alq_qsize; /* queue size */
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unsigned int sc_alq_numlost; /* number of "lost" entries */
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int sc_alq_isactive;
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char sc_alq_devname[ATH_ALQ_DEVNAME_LEN];
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char sc_alq_filename[ATH_ALQ_FILENAME_LEN];
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};
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#define ATH_ALQ_EDMA_TXSTATUS 1
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#define ATH_ALQ_EDMA_RXSTATUS 2
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#define ATH_ALQ_EDMA_TXDESC 3
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/* 128 bytes in total */
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#define ATH_ALQ_PAYLOAD_LEN 112
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struct if_ath_alq_hdr {
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uint64_t threadid;
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uint32_t tstamp;
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uint16_t op;
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uint16_t len; /* Length of (optional) payload */
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};
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struct if_ath_alq_payload {
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struct if_ath_alq_hdr hdr;
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char payload[];
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};
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#ifdef _KERNEL
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static inline int
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if_ath_alq_checkdebug(struct if_ath_alq *alq, uint16_t op)
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{
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return (alq->sc_alq_debug & (1 << (op - 1)));
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}
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extern void if_ath_alq_init(struct if_ath_alq *alq, const char *devname);
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extern void if_ath_alq_tidyup(struct if_ath_alq *alq);
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extern int if_ath_alq_start(struct if_ath_alq *alq);
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extern int if_ath_alq_stop(struct if_ath_alq *alq);
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extern void if_ath_alq_post(struct if_ath_alq *alq, uint16_t op,
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uint16_t len, const char *buf);
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#endif /* _KERNEL */
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#endif
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