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 #include "opt_wlan.h"
29
30 #include <sys/param.h>
31 #include <sys/sockio.h>
32 #include <sys/lock.h>
33 #include <sys/mutex.h>
34 #include <sys/mbuf.h>
35 #include <sys/kernel.h>
36 #include <sys/socket.h>
37 #include <sys/systm.h>
38 #include <sys/malloc.h>
39 #include <sys/queue.h>
40 #include <sys/taskqueue.h>
41 #include <sys/bus.h>
42 #include <sys/endian.h>
43 #include <sys/linker.h>
44
45 #include <net/if.h>
46 #include <net/if_var.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_rtwnvar.h>
54 #include <dev/rtwn/if_rtwn_rx.h>
55
56 #include <dev/rtwn/rtl8812a/r12a.h>
57 #include <dev/rtwn/rtl8812a/r12a_reg.h>
58 #include <dev/rtwn/rtl8812a/r12a_var.h>
59
60 int
r12a_ioctl_net(struct ieee80211com * ic,u_long cmd,void * data)61 r12a_ioctl_net(struct ieee80211com *ic, u_long cmd, void *data)
62 {
63 struct rtwn_softc *sc = ic->ic_softc;
64 struct r12a_softc *rs = sc->sc_priv;
65 struct ifreq *ifr = (struct ifreq *)data;
66 int error;
67
68 error = 0;
69 switch (cmd) {
70 case SIOCSIFCAP:
71 {
72 struct ieee80211vap *vap;
73 int changed, rxmask;
74
75 rxmask = ifr->ifr_reqcap & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
76
77 RTWN_LOCK(sc);
78 changed = 0;
79 if (!(rs->rs_flags & R12A_RXCKSUM_EN) ^
80 !(ifr->ifr_reqcap & IFCAP_RXCSUM)) {
81 rs->rs_flags ^= R12A_RXCKSUM_EN;
82 changed = 1;
83 }
84 if (!(rs->rs_flags & R12A_RXCKSUM6_EN) ^
85 !(ifr->ifr_reqcap & IFCAP_RXCSUM_IPV6)) {
86 rs->rs_flags ^= R12A_RXCKSUM6_EN;
87 changed = 1;
88 }
89 if (changed) {
90 if (rxmask == 0)
91 sc->rcr &= ~R12A_RCR_TCP_OFFLD_EN;
92 else
93 sc->rcr |= R12A_RCR_TCP_OFFLD_EN;
94
95 if (sc->sc_flags & RTWN_RUNNING)
96 rtwn_rxfilter_set(sc);
97 }
98 RTWN_UNLOCK(sc);
99
100 IEEE80211_LOCK(ic); /* XXX */
101 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
102 if_t ifp = vap->iv_ifp;
103
104 if_setcapenablebit(ifp, 0,
105 IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
106 if_setcapenablebit(ifp, rxmask, 0);
107 }
108 IEEE80211_UNLOCK(ic);
109 break;
110 }
111 default:
112 error = ENOTTY; /* for net80211 */
113 break;
114 }
115
116 return (error);
117 }
118