r92c_beacon.c

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    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 void
   54 r92c_beacon_init(struct rtwn_softc *sc, void *buf, int id)
   55 {
   56         struct r92c_tx_desc *txd = (struct r92c_tx_desc *)buf;
   57 
   58         /*
   59          * NB: there is no need to setup HWSEQ_EN bit;
   60          * QSEL_BEACON already implies it.
   61          */
   62         txd->flags0 |= R92C_FLAGS0_BMCAST | R92C_FLAGS0_FSG | R92C_FLAGS0_LSG;
   63         txd->txdw1 |= htole32(
   64             SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BEACON) |
   65             SM(R92C_TXDW1_RAID, R92C_RAID_11B));
   66 
   67         rtwn_r92c_tx_setup_macid(sc, buf, id);
   68         txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE);
   69         txd->txdw4 |= htole32(SM(R92C_TXDW4_SEQ_SEL, id));
   70         txd->txdw4 |= htole32(SM(R92C_TXDW4_PORT_ID, id));
   71         txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, RTWN_RIDX_CCK1));
   72 }
   73 
   74 void
   75 r92c_beacon_enable(struct rtwn_softc *sc, int id, int enable)
   76 {
   77 
   78         if (enable) {
   79                 rtwn_setbits_1(sc, R92C_BCN_CTRL(id),
   80                     0, R92C_BCN_CTRL_EN_BCN);
   81         } else {
   82                 rtwn_setbits_1(sc, R92C_BCN_CTRL(id),
   83                     R92C_BCN_CTRL_EN_BCN, 0);
   84         }
   85 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/rtwn/rtl8192c/r92c_beacon.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8192c/r92c_beacon.c