r12a_caps.c

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    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/sockio.h>
   34 #include <sys/lock.h>
   35 #include <sys/mutex.h>
   36 #include <sys/mbuf.h>
   37 #include <sys/kernel.h>
   38 #include <sys/socket.h>
   39 #include <sys/systm.h>
   40 #include <sys/malloc.h>
   41 #include <sys/queue.h>
   42 #include <sys/taskqueue.h>
   43 #include <sys/bus.h>
   44 #include <sys/endian.h>
   45 #include <sys/linker.h>
   46 
   47 #include <net/if.h>
   48 #include <net/if_var.h>
   49 #include <net/ethernet.h>
   50 #include <net/if_media.h>
   51 
   52 #include <net80211/ieee80211_var.h>
   53 #include <net80211/ieee80211_radiotap.h>
   54 
   55 #include <dev/rtwn/if_rtwnvar.h>
   56 #include <dev/rtwn/if_rtwn_rx.h>
   57 
   58 #include <dev/rtwn/rtl8812a/r12a.h>
   59 #include <dev/rtwn/rtl8812a/r12a_reg.h>
   60 #include <dev/rtwn/rtl8812a/r12a_var.h>
   61 
   62 int
   63 r12a_ioctl_net(struct ieee80211com *ic, u_long cmd, void *data)
   64 {
   65         struct rtwn_softc *sc = ic->ic_softc;
   66         struct r12a_softc *rs = sc->sc_priv;
   67         struct ifreq *ifr = (struct ifreq *)data;
   68         int error;
   69 
   70         error = 0;
   71         switch (cmd) {
   72         case SIOCSIFCAP:
   73         {
   74                 struct ieee80211vap *vap;
   75                 int changed, rxmask;
   76 
   77                 rxmask = ifr->ifr_reqcap & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
   78 
   79                 RTWN_LOCK(sc);
   80                 changed = 0;
   81                 if (!(rs->rs_flags & R12A_RXCKSUM_EN) ^
   82                     !(ifr->ifr_reqcap & IFCAP_RXCSUM)) {
   83                         rs->rs_flags ^= R12A_RXCKSUM_EN;
   84                         changed = 1;
   85                 }
   86                 if (!(rs->rs_flags & R12A_RXCKSUM6_EN) ^
   87                     !(ifr->ifr_reqcap & IFCAP_RXCSUM_IPV6)) {
   88                         rs->rs_flags ^= R12A_RXCKSUM6_EN;
   89                         changed = 1;
   90                 }
   91                 if (changed) {
   92                         if (rxmask == 0)
   93                                 sc->rcr &= ~R12A_RCR_TCP_OFFLD_EN;
   94                         else
   95                                 sc->rcr |= R12A_RCR_TCP_OFFLD_EN;
   96 
   97                         if (sc->sc_flags & RTWN_RUNNING)
   98                                 rtwn_rxfilter_set(sc);
   99                 }
  100                 RTWN_UNLOCK(sc);
  101 
  102                 IEEE80211_LOCK(ic);     /* XXX */
  103                 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
  104                         if_t ifp = vap->iv_ifp;
  105 
  106                         if_setcapenablebit(ifp, 0,
  107                             IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
  108                         if_setcapenablebit(ifp, rxmask, 0);
  109                 }
  110                 IEEE80211_UNLOCK(ic);
  111                 break;
  112         }
  113         default:
  114                 error = ENOTTY;         /* for net80211 */
  115                 break;
  116         }
  117 
  118         return (error);
  119 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/rtwn/rtl8812a/r12a_caps.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8812a/r12a_caps.c