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 62 63 void 64 r12a_beacon_init(struct rtwn_softc *sc, void *buf, int id) 65 { 66 struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf; 67 68 txd->flags0 = R12A_FLAGS0_LSG | R12A_FLAGS0_FSG | R12A_FLAGS0_BMCAST; 69 70 /* 71 * NB: there is no need to setup HWSEQ_EN bit; 72 * QSEL_BEACON already implies it. 73 */ 74 txd->txdw1 = htole32(SM(R12A_TXDW1_QSEL, R12A_TXDW1_QSEL_BEACON)); 75 txd->txdw1 |= htole32(SM(R12A_TXDW1_MACID, RTWN_MACID_BC)); 76 77 txd->txdw3 = htole32(R12A_TXDW3_DRVRATE); 78 txd->txdw3 |= htole32(SM(R12A_TXDW3_SEQ_SEL, id)); 79 80 txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1)); 81 82 txd->txdw6 = htole32(SM(R21A_TXDW6_MBSSID, id)); 83 } 84 85 void 86 r12a_beacon_set_rate(void *buf, int is5ghz) 87 { 88 struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf; 89 90 txd->txdw4 &= ~htole32(R12A_TXDW4_DATARATE_M); 91 if (is5ghz) { 92 txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, 93 RTWN_RIDX_OFDM6)); 94 } else 95 txd->txdw4 = htole32(SM(R12A_TXDW4_DATARATE, RTWN_RIDX_CCK1)); 96 } 97