1 /*- 2 * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <sys/cdefs.h> 18 __FBSDID("$FreeBSD$"); 19 20 #include "opt_wlan.h" 21 22 #include <sys/param.h> 23 #include <sys/lock.h> 24 #include <sys/mutex.h> 25 #include <sys/mbuf.h> 26 #include <sys/kernel.h> 27 #include <sys/socket.h> 28 #include <sys/systm.h> 29 #include <sys/malloc.h> 30 #include <sys/queue.h> 31 #include <sys/taskqueue.h> 32 #include <sys/bus.h> 33 #include <sys/endian.h> 34 #include <sys/linker.h> 35 36 #include <net/if.h> 37 #include <net/ethernet.h> 38 #include <net/if_media.h> 39 40 #include <net80211/ieee80211_var.h> 41 #include <net80211/ieee80211_radiotap.h> 42 43 #include <dev/rtwn/if_rtwnvar.h> 44 #include <dev/rtwn/if_rtwnreg.h> 45 46 #include <dev/rtwn/if_rtwn_ridx.h> 47 48 #include <dev/rtwn/rtl8192c/r92c.h> 49 #include <dev/rtwn/rtl8192c/r92c_var.h> 50 #include <dev/rtwn/rtl8192c/r92c_reg.h> 51 #include <dev/rtwn/rtl8192c/r92c_tx_desc.h> 52 53 54 void 55 r92c_beacon_init(struct rtwn_softc *sc, void *buf, int id) 56 { 57 struct r92c_tx_desc *txd = (struct r92c_tx_desc *)buf; 58 59 /* 60 * NB: there is no need to setup HWSEQ_EN bit; 61 * QSEL_BEACON already implies it. 62 */ 63 txd->flags0 |= R92C_FLAGS0_BMCAST | R92C_FLAGS0_FSG | R92C_FLAGS0_LSG; 64 txd->txdw1 |= htole32( 65 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BEACON) | 66 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 67 68 rtwn_r92c_tx_setup_macid(sc, buf, id); 69 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 70 txd->txdw4 |= htole32(SM(R92C_TXDW4_SEQ_SEL, id)); 71 txd->txdw4 |= htole32(SM(R92C_TXDW4_PORT_ID, id)); 72 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, RTWN_RIDX_CCK1)); 73 } 74 75 void 76 r92c_beacon_enable(struct rtwn_softc *sc, int id, int enable) 77 { 78 79 if (enable) { 80 rtwn_setbits_1(sc, R92C_BCN_CTRL(id), 81 0, R92C_BCN_CTRL_EN_BCN); 82 } else { 83 rtwn_setbits_1(sc, R92C_BCN_CTRL(id), 84 R92C_BCN_CTRL_EN_BCN, 0); 85 } 86 } 87