freebsd-src/sys/dev/rtwn/rtl8812a/r12a_beacon.c
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94 lines
3 KiB
C

/*-
* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include "opt_wlan.h"
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/taskqueue.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/linker.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <net/if_media.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/rtwn/if_rtwnreg.h>
#include <dev/rtwn/if_rtwnvar.h>
#include <dev/rtwn/if_rtwn_ridx.h>
#include <dev/rtwn/rtl8812a/r12a.h>
#include <dev/rtwn/rtl8812a/r12a_reg.h>
#include <dev/rtwn/rtl8812a/r12a_tx_desc.h>
void
r12a_beacon_init(struct rtwn_softc *sc, void *buf, int id)
{
struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf;
txd->flags0 = R12A_FLAGS0_LSG | R12A_FLAGS0_FSG | R12A_FLAGS0_BMCAST;
/*
* NB: there is no need to setup HWSEQ_EN bit;
* QSEL_BEACON already implies it.
*/
txd->txdw1 = htole32(SM(R12A_TXDW1_QSEL, R12A_TXDW1_QSEL_BEACON));
txd->txdw1 |= htole32(SM(R12A_TXDW1_MACID, RTWN_MACID_BC));
txd->txdw3 = htole32(R12A_TXDW3_DRVRATE);
txd->txdw3 |= htole32(SM(R12A_TXDW3_SEQ_SEL, id));
txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1));
txd->txdw6 = htole32(SM(R21A_TXDW6_MBSSID, id));
}
void
r12a_beacon_set_rate(void *buf, int is5ghz)
{
struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf;
txd->txdw4 &= ~htole32(R12A_TXDW4_DATARATE_M);
if (is5ghz) {
txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE,
RTWN_RIDX_OFDM6));
} else
txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1));
}