89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*-
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* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/linker.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_ratectl.h>
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#include <dev/rtwn/if_rtwnvar.h>
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#include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
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#include <dev/rtwn/rtl8812a/r12a_rx_desc.h>
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#include <dev/rtwn/rtl8812a/usb/r12au.h>
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int
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r12au_classify_intr(struct rtwn_softc *sc, void *buf, int len)
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{
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struct r92c_rx_stat *stat = buf;
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uint32_t rxdw2 = le32toh(stat->rxdw2);
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if (rxdw2 & R12A_RXDW2_RPT_C2H) {
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int pos = sizeof(struct r92c_rx_stat);
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/* Check if Rx descriptor + command id/sequence fits. */
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if (len < pos + 2) /* unknown, skip */
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return (RTWN_RX_DATA);
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if (((uint8_t *)buf)[pos] == R12A_C2H_TX_REPORT)
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return (RTWN_RX_TX_REPORT);
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else
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return (RTWN_RX_OTHER);
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} else
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return (RTWN_RX_DATA);
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}
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int
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r12au_align_rx(int totlen, int len)
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{
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if (totlen < len)
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return (roundup2(totlen, 8));
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return (totlen);
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}
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