1/*-
2 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include "opt_wlan.h"
31
32#include <sys/param.h>
33#include <sys/lock.h>
34#include <sys/mutex.h>
35#include <sys/mbuf.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>
42#include <sys/bus.h>
43#include <sys/endian.h>
44#include <sys/linker.h>
45
46#include <net/if.h>
47#include <net/ethernet.h>
48#include <net/if_media.h>
49
50#include <net80211/ieee80211_var.h>
51#include <net80211/ieee80211_radiotap.h>
52
53#include <dev/rtwn/if_rtwnreg.h>
54#include <dev/rtwn/if_rtwnvar.h>
55
56#include <dev/rtwn/if_rtwn_ridx.h>
57
58#include <dev/rtwn/rtl8812a/r12a.h>
59#include <dev/rtwn/rtl8812a/r12a_reg.h>
60#include <dev/rtwn/rtl8812a/r12a_tx_desc.h>
61
62void
63r12a_beacon_init(struct rtwn_softc *sc, void *buf, int id)
64{
65	struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf;
66
67	txd->flags0 = R12A_FLAGS0_LSG | R12A_FLAGS0_FSG | R12A_FLAGS0_BMCAST;
68
69	/*
70	 * NB: there is no need to setup HWSEQ_EN bit;
71	 * QSEL_BEACON already implies it.
72	 */
73	txd->txdw1 = htole32(SM(R12A_TXDW1_QSEL, R12A_TXDW1_QSEL_BEACON));
74	txd->txdw1 |= htole32(SM(R12A_TXDW1_MACID, RTWN_MACID_BC));
75
76	txd->txdw3 = htole32(R12A_TXDW3_DRVRATE);
77	txd->txdw3 |= htole32(SM(R12A_TXDW3_SEQ_SEL, id));
78
79	txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1));
80
81	txd->txdw6 = htole32(SM(R21A_TXDW6_MBSSID, id));
82}
83
84void
85r12a_beacon_set_rate(void *buf, int is5ghz)
86{
87	struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf;
88
89	txd->txdw4 &= ~htole32(R12A_TXDW4_DATARATE_M);
90	if (is5ghz) {
91		txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE,
92		    RTWN_RIDX_OFDM6));
93	} else
94		txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1));
95}
96