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 } 120