2 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
34 #include <sys/mutex.h>
36 #include <sys/kernel.h>
37 #include <sys/socket.h>
38 #include <sys/systm.h>
39 #include <sys/malloc.h>
40 #include <sys/queue.h>
41 #include <sys/taskqueue.h>
43 #include <sys/endian.h>
44 #include <sys/linker.h>
47 #include <net/ethernet.h>
48 #include <net/if_media.h>
50 #include <net80211/ieee80211_var.h>
51 #include <net80211/ieee80211_radiotap.h>
52 #include <net80211/ieee80211_ratectl.h>
54 #include <dev/rtwn/if_rtwnvar.h>
56 #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
57 #include <dev/rtwn/rtl8812a/r12a_rx_desc.h>
59 #include <dev/rtwn/rtl8812a/usb/r12au.h>
62 r12au_classify_intr(struct rtwn_softc *sc, void *buf, int len)
64 struct r92c_rx_stat *stat = buf;
65 uint32_t rxdw2 = le32toh(stat->rxdw2);
67 if (rxdw2 & R12A_RXDW2_RPT_C2H) {
68 int pos = sizeof(struct r92c_rx_stat);
69 /* Check if Rx descriptor + command id/sequence fits. */
70 if (len < pos + 2) /* unknown, skip */
71 return (RTWN_RX_DATA);
73 if (((uint8_t *)buf)[pos] == R12A_C2H_TX_REPORT)
74 return (RTWN_RX_TX_REPORT);
76 return (RTWN_RX_OTHER);
78 return (RTWN_RX_DATA);
82 r12au_align_rx(int totlen, int len)
85 return (roundup2(totlen, 8));