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freebsd/sys/net80211/ieee80211_ioctl.c
Sam Leffler 1b6167d239 sync 11n support with vap code base; many changes based on interop 
testing with all major vendors

MFC after:	1 week
2007-11-02 05:22:25 +00:00

2610 lines
71 KiB
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/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
/*
* IEEE 802.11 ioctl support (FreeBSD-specific)
*/
#include "opt_inet.h"
#include "opt_ipx.h"
#include <sys/endian.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/priv.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/ethernet.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#ifdef IPX
#include <netipx/ipx.h>
#include <netipx/ipx_if.h>
#endif
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_ioctl.h>
#define IS_UP(_ic) \
(((_ic)->ic_ifp->if_flags & IFF_UP) && \
((_ic)->ic_ifp->if_drv_flags & IFF_DRV_RUNNING))
#define IS_UP_AUTO(_ic) \
(IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO)
#define RESCAN 1
static struct ieee80211_channel *findchannel(struct ieee80211com *,
int ieee, int mode);
static int
cap2cipher(int flag)
{
switch (flag) {
case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP;
case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB;
case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM;
case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP;
case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP;
}
return -1;
}
static int
ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_node *ni;
struct ieee80211req_key ik;
struct ieee80211_key *wk;
const struct ieee80211_cipher *cip;
u_int kid;
int error;
if (ireq->i_len != sizeof(ik))
return EINVAL;
error = copyin(ireq->i_data, &ik, sizeof(ik));
if (error)
return error;
kid = ik.ik_keyix;
if (kid == IEEE80211_KEYIX_NONE) {
ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr);
if (ni == NULL)
return EINVAL; /* XXX */
wk = &ni->ni_ucastkey;
} else {
if (kid >= IEEE80211_WEP_NKID)
return EINVAL;
wk = &ic->ic_nw_keys[kid];
IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr);
ni = NULL;
}
cip = wk->wk_cipher;
ik.ik_type = cip->ic_cipher;
ik.ik_keylen = wk->wk_keylen;
ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
if (wk->wk_keyix == ic->ic_def_txkey)
ik.ik_flags |= IEEE80211_KEY_DEFAULT;
if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
/* NB: only root can read key data */
ik.ik_keyrsc = wk->wk_keyrsc;
ik.ik_keytsc = wk->wk_keytsc;
memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
memcpy(ik.ik_keydata+wk->wk_keylen,
wk->wk_key + IEEE80211_KEYBUF_SIZE,
IEEE80211_MICBUF_SIZE);
ik.ik_keylen += IEEE80211_MICBUF_SIZE;
}
} else {
ik.ik_keyrsc = 0;
ik.ik_keytsc = 0;
memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
}
if (ni != NULL)
ieee80211_free_node(ni);
return copyout(&ik, ireq->i_data, sizeof(ik));
}
static int
ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
{
if (sizeof(ic->ic_chan_active) < ireq->i_len)
ireq->i_len = sizeof(ic->ic_chan_active);
return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
}
static int
ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq)
{
int space;
space = __offsetof(struct ieee80211req_chaninfo,
ic_chans[ic->ic_nchans]);
if (space > ireq->i_len)
space = ireq->i_len;
/* XXX assumes compatible layout */
return copyout(&ic->ic_nchans, ireq->i_data, space);
}
static int
ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq, int req)
{
struct ieee80211_node *ni;
struct ieee80211req_wpaie2 wpaie;
int error;
if (ireq->i_len < IEEE80211_ADDR_LEN)
return EINVAL;
error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
if (error != 0)
return error;
ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr);
if (ni == NULL)
return ENOENT; /* XXX */
memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
if (ni->ni_wpa_ie != NULL) {
int ielen = ni->ni_wpa_ie[1] + 2;
if (ielen > sizeof(wpaie.wpa_ie))
ielen = sizeof(wpaie.wpa_ie);
memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen);
}
if (req == IEEE80211_IOC_WPAIE2) {
memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
if (ni->ni_rsn_ie != NULL) {
int ielen = ni->ni_rsn_ie[1] + 2;
if (ielen > sizeof(wpaie.rsn_ie))
ielen = sizeof(wpaie.rsn_ie);
memcpy(wpaie.rsn_ie, ni->ni_rsn_ie, ielen);
}
if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
ireq->i_len = sizeof(struct ieee80211req_wpaie2);
} else {
/* compatibility op, may overwrite wpa ie */
/* XXX check ic_flags? */
if (ni->ni_rsn_ie != NULL) {
int ielen = ni->ni_rsn_ie[1] + 2;
if (ielen > sizeof(wpaie.wpa_ie))
ielen = sizeof(wpaie.wpa_ie);
memcpy(wpaie.wpa_ie, ni->ni_rsn_ie, ielen);
}
if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
ireq->i_len = sizeof(struct ieee80211req_wpaie);
}
ieee80211_free_node(ni);
return copyout(&wpaie, ireq->i_data, ireq->i_len);
}
static int
ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_node *ni;
uint8_t macaddr[IEEE80211_ADDR_LEN];
const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
int error;
if (ireq->i_len < off)
return EINVAL;
error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
if (error != 0)
return error;
ni = ieee80211_find_node(&ic->ic_sta, macaddr);
if (ni == NULL)
return EINVAL;
if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
ireq->i_len = sizeof(struct ieee80211req_sta_stats);
/* NB: copy out only the statistics */
error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
ireq->i_len - off);
ieee80211_free_node(ni);
return error;
}
static __inline uint8_t *
copyie(uint8_t *cp, const uint8_t *ie)
{
if (ie != NULL) {
memcpy(cp, ie, 2+ie[1]);
cp += 2+ie[1];
}
return cp;
}
#ifdef COMPAT_FREEBSD6
#define IEEE80211_IOC_SCAN_RESULTS_OLD 24
struct scan_result_old {
uint16_t isr_len; /* length (mult of 4) */
uint16_t isr_freq; /* MHz */
uint16_t isr_flags; /* channel flags */
uint8_t isr_noise;
uint8_t isr_rssi;
uint8_t isr_intval; /* beacon interval */
uint8_t isr_capinfo; /* capabilities */
uint8_t isr_erp; /* ERP element */
uint8_t isr_bssid[IEEE80211_ADDR_LEN];
uint8_t isr_nrates;
uint8_t isr_rates[IEEE80211_RATE_MAXSIZE];
uint8_t isr_ssid_len; /* SSID length */
uint8_t isr_ie_len; /* IE length */
uint8_t isr_pad[5];
/* variable length SSID followed by IE data */
};
struct oscanreq {
struct scan_result_old *sr;
size_t space;
};
static size_t
old_scan_space(const struct ieee80211_scan_entry *se, int *ielen)
{
size_t len;
*ielen = 0;
if (se->se_wpa_ie != NULL)
*ielen += 2+se->se_wpa_ie[1];
if (se->se_wme_ie != NULL)
*ielen += 2+se->se_wme_ie[1];
/*
* NB: ie's can be no more than 255 bytes and the max 802.11
* packet is <3Kbytes so we are sure this doesn't overflow
* 16-bits; if this is a concern we can drop the ie's.
*/
len = sizeof(struct scan_result_old) + se->se_ssid[1] + *ielen;
return roundup(len, sizeof(uint32_t));
}
static void
old_get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
{
struct oscanreq *req = arg;
int ielen;
req->space += old_scan_space(se, &ielen);
}
static void
old_get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
{
struct oscanreq *req = arg;
struct scan_result_old *sr;
int ielen, len, nr, nxr;
uint8_t *cp;
len = old_scan_space(se, &ielen);
if (len > req->space)
return;
sr = req->sr;
memset(sr, 0, sizeof(*sr));
sr->isr_ssid_len = se->se_ssid[1];
/* NB: beware of overflow, isr_ie_len is 8 bits */
sr->isr_ie_len = (ielen > 255 ? 0 : ielen);
sr->isr_len = len;
sr->isr_freq = se->se_chan->ic_freq;
sr->isr_flags = se->se_chan->ic_flags;
sr->isr_rssi = se->se_rssi;
sr->isr_noise = se->se_noise;
sr->isr_intval = se->se_intval;
sr->isr_capinfo = se->se_capinfo;
sr->isr_erp = se->se_erp;
IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
memcpy(sr->isr_rates, se->se_rates+2, nr);
nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
sr->isr_nrates = nr + nxr;
cp = (uint8_t *)(sr+1);
memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
cp += sr->isr_ssid_len;
if (sr->isr_ie_len) {
cp = copyie(cp, se->se_wpa_ie);
cp = copyie(cp, se->se_wme_ie);
}
req->space -= len;
req->sr = (struct scan_result_old *)(((uint8_t *)sr) + len);
}
static int
old_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct oscanreq req;
int error;
if (ireq->i_len < sizeof(struct scan_result_old))
return EFAULT;
error = 0;
req.space = 0;
ieee80211_scan_iterate(ic, old_get_scan_space, &req);
if (req.space > ireq->i_len)
req.space = ireq->i_len;
if (req.space > 0) {
size_t space;
void *p;
space = req.space;
/* XXX M_WAITOK after driver lock released */
MALLOC(p, void *, space, M_TEMP, M_NOWAIT | M_ZERO);
if (p == NULL)
return ENOMEM;
req.sr = p;
ieee80211_scan_iterate(ic, old_get_scan_result, &req);
ireq->i_len = space - req.space;
error = copyout(p, ireq->i_data, ireq->i_len);
FREE(p, M_TEMP);
} else
ireq->i_len = 0;
return error;
}
#endif /* COMPAT_FREEBSD6 */
struct scanreq {
struct ieee80211req_scan_result *sr;
size_t space;
};
static size_t
scan_space(const struct ieee80211_scan_entry *se, int *ielen)
{
size_t len;
*ielen = 0;
if (se->se_wpa_ie != NULL)
*ielen += 2+se->se_wpa_ie[1];
if (se->se_rsn_ie != NULL)
*ielen += 2+se->se_rsn_ie[1];
if (se->se_wme_ie != NULL)
*ielen += 2+se->se_wme_ie[1];
if (se->se_ath_ie != NULL)
*ielen += 2+se->se_ath_ie[1];
/*
* NB: ie's can be no more than 255 bytes and the max 802.11
* packet is <3Kbytes so we are sure this doesn't overflow
* 16-bits; if this is a concern we can drop the ie's.
*/
len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen;
return roundup(len, sizeof(uint32_t));
}
static void
get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
{
struct scanreq *req = arg;
int ielen;
req->space += scan_space(se, &ielen);
}
static void
get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
{
struct scanreq *req = arg;
struct ieee80211req_scan_result *sr;
int ielen, len, nr, nxr;
uint8_t *cp;
len = scan_space(se, &ielen);
if (len > req->space)
return;
sr = req->sr;
KASSERT(len <= 65535 && ielen <= 65535,
("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
sr->isr_ie_len = ielen;
sr->isr_len = len;
sr->isr_freq = se->se_chan->ic_freq;
sr->isr_flags = se->se_chan->ic_flags;
sr->isr_rssi = se->se_rssi;
sr->isr_noise = se->se_noise;
sr->isr_intval = se->se_intval;
sr->isr_capinfo = se->se_capinfo;
sr->isr_erp = se->se_erp;
IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
memcpy(sr->isr_rates, se->se_rates+2, nr);
nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
sr->isr_nrates = nr + nxr;
sr->isr_ssid_len = se->se_ssid[1];
cp = ((uint8_t *)sr) + sr->isr_ie_off;
memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
if (ielen) {
cp += sr->isr_ssid_len;
cp = copyie(cp, se->se_wpa_ie);
cp = copyie(cp, se->se_rsn_ie);
cp = copyie(cp, se->se_wme_ie);
cp = copyie(cp, se->se_ath_ie);
cp = copyie(cp, se->se_htcap_ie);
}
req->space -= len;
req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
}
static int
ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct scanreq req;
int error;
if (ireq->i_len < sizeof(struct ieee80211req_scan_result))
return EFAULT;
error = 0;
req.space = 0;
ieee80211_scan_iterate(ic, get_scan_space, &req);
if (req.space > ireq->i_len)
req.space = ireq->i_len;
if (req.space > 0) {
size_t space;
void *p;
space = req.space;
/* XXX M_WAITOK after driver lock released */
MALLOC(p, void *, space, M_TEMP, M_NOWAIT | M_ZERO);
if (p == NULL)
return ENOMEM;
req.sr = p;
ieee80211_scan_iterate(ic, get_scan_result, &req);
ireq->i_len = space - req.space;
error = copyout(p, ireq->i_data, ireq->i_len);
FREE(p, M_TEMP);
} else
ireq->i_len = 0;
return error;
}
struct stainforeq {
struct ieee80211com *ic;
struct ieee80211req_sta_info *si;
size_t space;
};
static size_t
sta_space(const struct ieee80211_node *ni, size_t *ielen)
{
*ielen = 0;
if (ni->ni_wpa_ie != NULL)
*ielen += 2+ni->ni_wpa_ie[1];
if (ni->ni_rsn_ie != NULL)
*ielen += 2+ni->ni_rsn_ie[1];
if (ni->ni_wme_ie != NULL)
*ielen += 2+ni->ni_wme_ie[1];
if (ni->ni_ath_ie != NULL)
*ielen += 2+ni->ni_ath_ie[1];
return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
sizeof(uint32_t));
}
static void
get_sta_space(void *arg, struct ieee80211_node *ni)
{
struct stainforeq *req = arg;
struct ieee80211com *ic = ni->ni_ic;
size_t ielen;
if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
ni->ni_associd == 0) /* only associated stations */
return;
req->space += sta_space(ni, &ielen);
}
static void
get_sta_info(void *arg, struct ieee80211_node *ni)
{
struct stainforeq *req = arg;
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211req_sta_info *si;
size_t ielen, len;
uint8_t *cp;
if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
ni->ni_associd == 0) /* only associated stations */
return;
if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
return;
len = sta_space(ni, &ielen);
if (len > req->space)
return;
si = req->si;
si->isi_len = len;
si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
si->isi_ie_len = ielen;
si->isi_freq = ni->ni_chan->ic_freq;
si->isi_flags = ni->ni_chan->ic_flags;
si->isi_state = ni->ni_flags;
si->isi_authmode = ni->ni_authmode;
ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
si->isi_noise = 0; /* XXX */
si->isi_capinfo = ni->ni_capinfo;
si->isi_erp = ni->ni_erp;
IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
si->isi_nrates = ni->ni_rates.rs_nrates;
if (si->isi_nrates > 15)
si->isi_nrates = 15;
memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
si->isi_txrate = ni->ni_txrate;
si->isi_ie_len = ielen;
si->isi_associd = ni->ni_associd;
si->isi_txpower = ni->ni_txpower;
si->isi_vlan = ni->ni_vlan;
if (ni->ni_flags & IEEE80211_NODE_QOS) {
memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
} else {
si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
}
/* NB: leave all cases in case we relax ni_associd == 0 check */
if (ieee80211_node_is_authorized(ni))
si->isi_inact = ic->ic_inact_run;
else if (ni->ni_associd != 0)
si->isi_inact = ic->ic_inact_auth;
else
si->isi_inact = ic->ic_inact_init;
si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
if (ielen) {
cp = ((uint8_t *)si) + si->isi_ie_off;
cp = copyie(cp, ni->ni_wpa_ie);
cp = copyie(cp, ni->ni_rsn_ie);
cp = copyie(cp, ni->ni_wme_ie);
cp = copyie(cp, ni->ni_ath_ie);
}
req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
req->space -= len;
}
static int
getstainfo_common(struct ieee80211com *ic, struct ieee80211req *ireq,
struct ieee80211_node *ni, int off)
{
struct stainforeq req;
size_t space;
void *p;
int error;
error = 0;
req.space = 0;
if (ni == NULL)
ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
else
get_sta_space(&req, ni);
if (req.space > ireq->i_len)
req.space = ireq->i_len;
if (req.space > 0) {
space = req.space;
/* XXX M_WAITOK after driver lock released */
MALLOC(p, void *, space, M_TEMP, M_NOWAIT);
if (p == NULL) {
error = ENOMEM;
goto bad;
}
req.si = p;
if (ni == NULL)
ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
else
get_sta_info(&req, ni);
ireq->i_len = space - req.space;
error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
FREE(p, M_TEMP);
} else
ireq->i_len = 0;
bad:
if (ni != NULL)
ieee80211_free_node(ni);
return error;
}
static int
ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq)
{
uint8_t macaddr[IEEE80211_ADDR_LEN];
const int off = __offsetof(struct ieee80211req_sta_req, info);
struct ieee80211_node *ni;
int error;
if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
return EFAULT;
error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
if (error != 0)
return error;
if (IEEE80211_ADDR_EQ(macaddr, ic->ic_ifp->if_broadcastaddr)) {
ni = NULL;
} else {
ni = ieee80211_find_node(&ic->ic_sta, macaddr);
if (ni == NULL)
return EINVAL;
}
return getstainfo_common(ic, ireq, ni, off);
}
#ifdef COMPAT_FREEBSD6
#define IEEE80211_IOC_STA_INFO_OLD 45
static int
old_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq)
{
if (ireq->i_len < sizeof(struct ieee80211req_sta_info))
return EFAULT;
return getstainfo_common(ic, ireq, NULL, 0);
}
#endif /* COMPAT_FREEBSD6 */
static int
ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_node *ni;
struct ieee80211req_sta_txpow txpow;
int error;
if (ireq->i_len != sizeof(txpow))
return EINVAL;
error = copyin(ireq->i_data, &txpow, sizeof(txpow));
if (error != 0)
return error;
ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr);
if (ni == NULL)
return EINVAL; /* XXX */
txpow.it_txpow = ni->ni_txpower;
error = copyout(&txpow, ireq->i_data, sizeof(txpow));
ieee80211_free_node(ni);
return error;
}
static int
ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_wme_state *wme = &ic->ic_wme;
struct wmeParams *wmep;
int ac;
if ((ic->ic_caps & IEEE80211_C_WME) == 0)
return EINVAL;
ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
if (ac >= WME_NUM_AC)
ac = WME_AC_BE;
if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
else
wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
switch (ireq->i_type) {
case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
ireq->i_val = wmep->wmep_logcwmin;
break;
case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
ireq->i_val = wmep->wmep_logcwmax;
break;
case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
ireq->i_val = wmep->wmep_aifsn;
break;
case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
ireq->i_val = wmep->wmep_txopLimit;
break;
case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
ireq->i_val = wmep->wmep_acm;
break;
case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
ireq->i_val = !wmep->wmep_noackPolicy;
break;
}
return 0;
}
static int
ieee80211_ioctl_getmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq)
{
const struct ieee80211_aclator *acl = ic->ic_acl;
return (acl == NULL ? EINVAL : acl->iac_getioctl(ic, ireq));
}
/*
* Return the current ``state'' of an Atheros capbility.
* If associated in station mode report the negotiated
* setting. Otherwise report the current setting.
*/
static int
getathcap(struct ieee80211com *ic, int cap)
{
if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
return IEEE80211_ATH_CAP(ic, ic->ic_bss, cap) != 0;
else
return (ic->ic_flags & cap) != 0;
}
static int
ieee80211_ioctl_getcurchan(struct ieee80211com *ic, struct ieee80211req *ireq)
{
if (ireq->i_len != sizeof(struct ieee80211_channel))
return EINVAL;
return copyout(ic->ic_curchan, ireq->i_data, sizeof(*ic->ic_curchan));
}
/*
* When building the kernel with -O2 on the i386 architecture, gcc
* seems to want to inline this function into ieee80211_ioctl()
* (which is the only routine that calls it). When this happens,
* ieee80211_ioctl() ends up consuming an additional 2K of stack
* space. (Exactly why it needs so much is unclear.) The problem
* is that it's possible for ieee80211_ioctl() to invoke other
* routines (including driver init functions) which could then find
* themselves perilously close to exhausting the stack.
*
* To avoid this, we deliberately prevent gcc from inlining this
* routine. Another way to avoid this is to use less agressive
* optimization when compiling this file (i.e. -O instead of -O2)
* but special-casing the compilation of this one module in the
* build system would be awkward.
*/
#ifdef __GNUC__
__attribute__ ((noinline))
#endif
static int
ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
{
const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
int error = 0;
u_int kid, len, m;
uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
char tmpssid[IEEE80211_NWID_LEN];
switch (ireq->i_type) {
case IEEE80211_IOC_SSID:
switch (ic->ic_state) {
case IEEE80211_S_INIT:
case IEEE80211_S_SCAN:
ireq->i_len = ic->ic_des_ssid[0].len;
memcpy(tmpssid, ic->ic_des_ssid[0].ssid, ireq->i_len);
break;
default:
ireq->i_len = ic->ic_bss->ni_esslen;
memcpy(tmpssid, ic->ic_bss->ni_essid,
ireq->i_len);
break;
}
error = copyout(tmpssid, ireq->i_data, ireq->i_len);
break;
case IEEE80211_IOC_NUMSSIDS:
ireq->i_val = 1;
break;
case IEEE80211_IOC_WEP:
if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0)
ireq->i_val = IEEE80211_WEP_OFF;
else if (ic->ic_flags & IEEE80211_F_DROPUNENC)
ireq->i_val = IEEE80211_WEP_ON;
else
ireq->i_val = IEEE80211_WEP_MIXED;
break;
case IEEE80211_IOC_WEPKEY:
kid = (u_int) ireq->i_val;
if (kid >= IEEE80211_WEP_NKID)
return EINVAL;
len = (u_int) ic->ic_nw_keys[kid].wk_keylen;
/* NB: only root can read WEP keys */
if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len);
} else {
bzero(tmpkey, len);
}
ireq->i_len = len;
error = copyout(tmpkey, ireq->i_data, len);
break;
case IEEE80211_IOC_NUMWEPKEYS:
ireq->i_val = IEEE80211_WEP_NKID;
break;
case IEEE80211_IOC_WEPTXKEY:
ireq->i_val = ic->ic_def_txkey;
break;
case IEEE80211_IOC_AUTHMODE:
if (ic->ic_flags & IEEE80211_F_WPA)
ireq->i_val = IEEE80211_AUTH_WPA;
else
ireq->i_val = ic->ic_bss->ni_authmode;
break;
case IEEE80211_IOC_CHANNEL:
ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
break;
case IEEE80211_IOC_POWERSAVE:
if (ic->ic_flags & IEEE80211_F_PMGTON)
ireq->i_val = IEEE80211_POWERSAVE_ON;
else
ireq->i_val = IEEE80211_POWERSAVE_OFF;
break;
case IEEE80211_IOC_POWERSAVESLEEP:
ireq->i_val = ic->ic_lintval;
break;
case IEEE80211_IOC_RTSTHRESHOLD:
ireq->i_val = ic->ic_rtsthreshold;
break;
case IEEE80211_IOC_PROTMODE:
ireq->i_val = ic->ic_protmode;
break;
case IEEE80211_IOC_TXPOWER:
if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
return EINVAL;
ireq->i_val = ic->ic_txpowlimit;
break;
case IEEE80211_IOC_MCASTCIPHER:
ireq->i_val = rsn->rsn_mcastcipher;
break;
case IEEE80211_IOC_MCASTKEYLEN:
ireq->i_val = rsn->rsn_mcastkeylen;
break;
case IEEE80211_IOC_UCASTCIPHERS:
ireq->i_val = 0;
for (m = 0x1; m != 0; m <<= 1)
if (rsn->rsn_ucastcipherset & m)
ireq->i_val |= 1<<cap2cipher(m);
break;
case IEEE80211_IOC_UCASTCIPHER:
ireq->i_val = rsn->rsn_ucastcipher;
break;
case IEEE80211_IOC_UCASTKEYLEN:
ireq->i_val = rsn->rsn_ucastkeylen;
break;
case IEEE80211_IOC_KEYMGTALGS:
ireq->i_val = rsn->rsn_keymgmtset;
break;
case IEEE80211_IOC_RSNCAPS:
ireq->i_val = rsn->rsn_caps;
break;
case IEEE80211_IOC_WPA:
switch (ic->ic_flags & IEEE80211_F_WPA) {
case IEEE80211_F_WPA1:
ireq->i_val = 1;
break;
case IEEE80211_F_WPA2:
ireq->i_val = 2;
break;
case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
ireq->i_val = 3;
break;
default:
ireq->i_val = 0;
break;
}
break;
case IEEE80211_IOC_CHANLIST:
error = ieee80211_ioctl_getchanlist(ic, ireq);
break;
case IEEE80211_IOC_ROAMING:
ireq->i_val = ic->ic_roaming;
break;
case IEEE80211_IOC_PRIVACY:
ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0;
break;
case IEEE80211_IOC_DROPUNENCRYPTED:
ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0;
break;
case IEEE80211_IOC_COUNTERMEASURES:
ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0;
break;
case IEEE80211_IOC_DRIVER_CAPS:
ireq->i_val = ic->ic_caps>>16;
ireq->i_len = ic->ic_caps&0xffff;
break;
case IEEE80211_IOC_WME:
ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0;
break;
case IEEE80211_IOC_HIDESSID:
ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0;
break;
case IEEE80211_IOC_APBRIDGE:
ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0;
break;
case IEEE80211_IOC_OPTIE:
if (ic->ic_opt_ie == NULL)
return EINVAL;
/* NB: truncate, caller can check length */
if (ireq->i_len > ic->ic_opt_ie_len)
ireq->i_len = ic->ic_opt_ie_len;
error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len);
break;
case IEEE80211_IOC_WPAKEY:
error = ieee80211_ioctl_getkey(ic, ireq);
break;
case IEEE80211_IOC_CHANINFO:
error = ieee80211_ioctl_getchaninfo(ic, ireq);
break;
case IEEE80211_IOC_BSSID:
if (ireq->i_len != IEEE80211_ADDR_LEN)
return EINVAL;
error = copyout(ic->ic_state == IEEE80211_S_RUN ?
ic->ic_bss->ni_bssid :
ic->ic_des_bssid,
ireq->i_data, ireq->i_len);
break;
case IEEE80211_IOC_WPAIE:
error = ieee80211_ioctl_getwpaie(ic, ireq, ireq->i_type);
break;
case IEEE80211_IOC_WPAIE2:
error = ieee80211_ioctl_getwpaie(ic, ireq, ireq->i_type);
break;
#ifdef COMPAT_FREEBSD6
case IEEE80211_IOC_SCAN_RESULTS_OLD:
error = old_getscanresults(ic, ireq);
break;
#endif
case IEEE80211_IOC_SCAN_RESULTS:
error = ieee80211_ioctl_getscanresults(ic, ireq);
break;
case IEEE80211_IOC_STA_STATS:
error = ieee80211_ioctl_getstastats(ic, ireq);
break;
case IEEE80211_IOC_TXPOWMAX:
ireq->i_val = ic->ic_bss->ni_txpower;
break;
case IEEE80211_IOC_STA_TXPOW:
error = ieee80211_ioctl_getstatxpow(ic, ireq);
break;
#ifdef COMPAT_FREEBSD6
case IEEE80211_IOC_STA_INFO_OLD:
error = old_getstainfo(ic, ireq);
break;
#endif
case IEEE80211_IOC_STA_INFO:
error = ieee80211_ioctl_getstainfo(ic, ireq);
break;
case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
error = ieee80211_ioctl_getwmeparam(ic, ireq);
break;
case IEEE80211_IOC_DTIM_PERIOD:
ireq->i_val = ic->ic_dtim_period;
break;
case IEEE80211_IOC_BEACON_INTERVAL:
/* NB: get from ic_bss for station mode */
ireq->i_val = ic->ic_bss->ni_intval;
break;
case IEEE80211_IOC_PUREG:
ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0;
break;
case IEEE80211_IOC_FF:
ireq->i_val = getathcap(ic, IEEE80211_F_FF);
break;
case IEEE80211_IOC_TURBOP:
ireq->i_val = getathcap(ic, IEEE80211_F_TURBOP);
break;
case IEEE80211_IOC_BGSCAN:
ireq->i_val = (ic->ic_flags & IEEE80211_F_BGSCAN) != 0;
break;
case IEEE80211_IOC_BGSCAN_IDLE:
ireq->i_val = ic->ic_bgscanidle*hz/1000; /* ms */
break;
case IEEE80211_IOC_BGSCAN_INTERVAL:
ireq->i_val = ic->ic_bgscanintvl/hz; /* seconds */
break;
case IEEE80211_IOC_SCANVALID:
ireq->i_val = ic->ic_scanvalid/hz; /* seconds */
break;
case IEEE80211_IOC_ROAM_RSSI_11A:
ireq->i_val = ic->ic_roam.rssi11a;
break;
case IEEE80211_IOC_ROAM_RSSI_11B:
ireq->i_val = ic->ic_roam.rssi11bOnly;
break;
case IEEE80211_IOC_ROAM_RSSI_11G:
ireq->i_val = ic->ic_roam.rssi11b;
break;
case IEEE80211_IOC_ROAM_RATE_11A:
ireq->i_val = ic->ic_roam.rate11a;
break;
case IEEE80211_IOC_ROAM_RATE_11B:
ireq->i_val = ic->ic_roam.rate11bOnly;
break;
case IEEE80211_IOC_ROAM_RATE_11G:
ireq->i_val = ic->ic_roam.rate11b;
break;
case IEEE80211_IOC_MCAST_RATE:
ireq->i_val = ic->ic_mcast_rate;
break;
case IEEE80211_IOC_FRAGTHRESHOLD:
ireq->i_val = ic->ic_fragthreshold;
break;
case IEEE80211_IOC_MACCMD:
error = ieee80211_ioctl_getmaccmd(ic, ireq);
break;
case IEEE80211_IOC_BURST:
ireq->i_val = (ic->ic_flags & IEEE80211_F_BURST) != 0;
break;
case IEEE80211_IOC_BMISSTHRESHOLD:
ireq->i_val = ic->ic_bmissthreshold;
break;
case IEEE80211_IOC_CURCHAN:
error = ieee80211_ioctl_getcurchan(ic, ireq);
break;
case IEEE80211_IOC_SHORTGI:
ireq->i_val = 0;
if (ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI20)
ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
if (ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI40)
ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
break;
case IEEE80211_IOC_AMPDU:
ireq->i_val = 0;
if (ic->ic_flags_ext & IEEE80211_FEXT_AMPDU_TX)
ireq->i_val |= 1;
if (ic->ic_flags_ext & IEEE80211_FEXT_AMPDU_RX)
ireq->i_val |= 2;
break;
case IEEE80211_IOC_AMPDU_LIMIT:
ireq->i_val = ic->ic_ampdu_limit; /* XXX truncation? */
break;
case IEEE80211_IOC_AMPDU_DENSITY:
ireq->i_val = ic->ic_ampdu_density;
break;
case IEEE80211_IOC_AMSDU:
ireq->i_val = 0;
if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
ireq->i_val |= 1;
if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_RX)
ireq->i_val |= 2;
break;
case IEEE80211_IOC_AMSDU_LIMIT:
ireq->i_val = ic->ic_amsdu_limit; /* XXX truncation? */
break;
case IEEE80211_IOC_PUREN:
ireq->i_val = (ic->ic_flags_ext & IEEE80211_FEXT_PUREN) != 0;
break;
case IEEE80211_IOC_DOTH:
ireq->i_val = (ic->ic_flags & IEEE80211_F_DOTH) != 0;
break;
case IEEE80211_IOC_HTCOMPAT:
ireq->i_val = (ic->ic_flags_ext & IEEE80211_FEXT_HTCOMPAT) != 0;
break;
case IEEE80211_IOC_INACTIVITY:
ireq->i_val = (ic->ic_flags_ext & IEEE80211_FEXT_INACT) != 0;
break;
case IEEE80211_IOC_HTPROTMODE:
ireq->i_val = ic->ic_htprotmode;
break;
case IEEE80211_IOC_HTCONF:
if (ic->ic_flags_ext & IEEE80211_FEXT_HT) {
ireq->i_val = 1;
if (ic->ic_flags_ext & IEEE80211_FEXT_USEHT40)
ireq->i_val |= 2;
} else
ireq->i_val = 0;
break;
default:
error = EINVAL;
break;
}
return error;
}
static int
ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq)
{
int error;
void *ie, *oie;
/*
* NB: Doing this for ap operation could be useful (e.g. for
* WPA and/or WME) except that it typically is worthless
* without being able to intervene when processing
* association response frames--so disallow it for now.
*/
if (ic->ic_opmode != IEEE80211_M_STA)
return EINVAL;
if (ireq->i_len > IEEE80211_MAX_OPT_IE)
return EINVAL;
/* NB: data.length is validated by the wireless extensions code */
/* XXX M_WAITOK after driver lock released */
if (ireq->i_len > 0) {
MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_NOWAIT);
if (ie == NULL)
return ENOMEM;
error = copyin(ireq->i_data, ie, ireq->i_len);
if (error) {
FREE(ie, M_DEVBUF);
return error;
}
} else {
ie = NULL;
ireq->i_len = 0;
}
/* XXX sanity check data? */
oie = ic->ic_opt_ie;
ic->ic_opt_ie = ie;
ic->ic_opt_ie_len = ireq->i_len;
if (oie != NULL)
FREE(oie, M_DEVBUF);
return 0;
}
static int
ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211req_key ik;
struct ieee80211_node *ni;
struct ieee80211_key *wk;
uint16_t kid;
int error;
if (ireq->i_len != sizeof(ik))
return EINVAL;
error = copyin(ireq->i_data, &ik, sizeof(ik));
if (error)
return error;
/* NB: cipher support is verified by ieee80211_crypt_newkey */
/* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
if (ik.ik_keylen > sizeof(ik.ik_keydata))
return E2BIG;
kid = ik.ik_keyix;
if (kid == IEEE80211_KEYIX_NONE) {
/* XXX unicast keys currently must be tx/rx */
if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
return EINVAL;
if (ic->ic_opmode == IEEE80211_M_STA) {
ni = ieee80211_ref_node(ic->ic_bss);
if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
ieee80211_free_node(ni);
return EADDRNOTAVAIL;
}
} else {
ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr);
if (ni == NULL)
return ENOENT;
}
wk = &ni->ni_ucastkey;
} else {
if (kid >= IEEE80211_WEP_NKID)
return EINVAL;
wk = &ic->ic_nw_keys[kid];
/*
* Global slots start off w/o any assigned key index.
* Force one here for consistency with IEEE80211_IOC_WEPKEY.
*/
if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
wk->wk_keyix = kid;
ni = NULL;
}
error = 0;
ieee80211_key_update_begin(ic);
if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) {
wk->wk_keylen = ik.ik_keylen;
/* NB: MIC presence is implied by cipher type */
if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
wk->wk_keyrsc = ik.ik_keyrsc;
wk->wk_keytsc = 0; /* new key, reset */
memset(wk->wk_key, 0, sizeof(wk->wk_key));
memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
if (!ieee80211_crypto_setkey(ic, wk,
ni != NULL ? ni->ni_macaddr : ik.ik_macaddr))
error = EIO;
else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
ic->ic_def_txkey = kid;
} else
error = ENXIO;
ieee80211_key_update_end(ic);
if (ni != NULL)
ieee80211_free_node(ni);
return error;
}
static int
ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211req_del_key dk;
int kid, error;
if (ireq->i_len != sizeof(dk))
return EINVAL;
error = copyin(ireq->i_data, &dk, sizeof(dk));
if (error)
return error;
kid = dk.idk_keyix;
/* XXX uint8_t -> uint16_t */
if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
struct ieee80211_node *ni;
if (ic->ic_opmode == IEEE80211_M_STA) {
ni = ieee80211_ref_node(ic->ic_bss);
if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
ieee80211_free_node(ni);
return EADDRNOTAVAIL;
}
} else {
ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr);
if (ni == NULL)
return ENOENT;
}
/* XXX error return */
ieee80211_node_delucastkey(ni);
ieee80211_free_node(ni);
} else {
if (kid >= IEEE80211_WEP_NKID)
return EINVAL;
/* XXX error return */
ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]);
}
return 0;
}
static void
domlme(void *arg, struct ieee80211_node *ni)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211req_mlme *mlme = arg;
if (ni->ni_associd != 0) {
IEEE80211_SEND_MGMT(ic, ni,
mlme->im_op == IEEE80211_MLME_DEAUTH ?
IEEE80211_FC0_SUBTYPE_DEAUTH :
IEEE80211_FC0_SUBTYPE_DISASSOC,
mlme->im_reason);
}
ieee80211_node_leave(ic, ni);
}
struct scanlookup {
const uint8_t *mac;
int esslen;
const uint8_t *essid;
const struct ieee80211_scan_entry *se;
};
/*
* Match mac address and any ssid.
*/
static void
mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
{
struct scanlookup *look = arg;
if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
return;
if (look->esslen != 0) {
if (se->se_ssid[1] != look->esslen)
return;
if (memcmp(look->essid, se->se_ssid+2, look->esslen))
return;
}
look->se = se;
}
static int
ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211req_mlme mlme;
struct ieee80211_node *ni;
int error;
if (ireq->i_len != sizeof(mlme))
return EINVAL;
error = copyin(ireq->i_data, &mlme, sizeof(mlme));
if (error)
return error;
switch (mlme.im_op) {
case IEEE80211_MLME_ASSOC:
/* XXX ibss/ahdemo */
if (ic->ic_opmode == IEEE80211_M_STA) {
struct scanlookup lookup;
lookup.se = NULL;
lookup.mac = mlme.im_macaddr;
/* XXX use revised api w/ explicit ssid */
lookup.esslen = ic->ic_des_ssid[0].len;
lookup.essid = ic->ic_des_ssid[0].ssid;
ieee80211_scan_iterate(ic, mlmelookup, &lookup);
if (lookup.se != NULL &&
ieee80211_sta_join(ic, lookup.se))
return 0;
}
return EINVAL;
case IEEE80211_MLME_DISASSOC:
case IEEE80211_MLME_DEAUTH:
switch (ic->ic_opmode) {
case IEEE80211_M_STA:
/* XXX not quite right */
ieee80211_new_state(ic, IEEE80211_S_INIT,
mlme.im_reason);
break;
case IEEE80211_M_HOSTAP:
/* NB: the broadcast address means do 'em all */
if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) {
if ((ni = ieee80211_find_node(&ic->ic_sta,
mlme.im_macaddr)) == NULL)
return EINVAL;
domlme(&mlme, ni);
ieee80211_free_node(ni);
} else {
ieee80211_iterate_nodes(&ic->ic_sta,
domlme, &mlme);
}
break;
default:
return EINVAL;
}
break;
case IEEE80211_MLME_AUTHORIZE:
case IEEE80211_MLME_UNAUTHORIZE:
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
return EINVAL;
ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr);
if (ni == NULL)
return EINVAL;
if (mlme.im_op == IEEE80211_MLME_AUTHORIZE)
ieee80211_node_authorize(ni);
else
ieee80211_node_unauthorize(ni);
ieee80211_free_node(ni);
break;
default:
return EINVAL;
}
return 0;
}
static int
ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq)
{
uint8_t mac[IEEE80211_ADDR_LEN];
const struct ieee80211_aclator *acl = ic->ic_acl;
int error;
if (ireq->i_len != sizeof(mac))
return EINVAL;
error = copyin(ireq->i_data, mac, ireq->i_len);
if (error)
return error;
if (acl == NULL) {
acl = ieee80211_aclator_get("mac");
if (acl == NULL || !acl->iac_attach(ic))
return EINVAL;
ic->ic_acl = acl;
}
if (ireq->i_type == IEEE80211_IOC_ADDMAC)
acl->iac_add(ic, mac);
else
acl->iac_remove(ic, mac);
return 0;
}
static int
ieee80211_ioctl_setmaccmd(struct ieee80211com *ic, struct ieee80211req *ireq)
{
const struct ieee80211_aclator *acl = ic->ic_acl;
switch (ireq->i_val) {
case IEEE80211_MACCMD_POLICY_OPEN:
case IEEE80211_MACCMD_POLICY_ALLOW:
case IEEE80211_MACCMD_POLICY_DENY:
if (acl == NULL) {
acl = ieee80211_aclator_get("mac");
if (acl == NULL || !acl->iac_attach(ic))
return EINVAL;
ic->ic_acl = acl;
}
acl->iac_setpolicy(ic, ireq->i_val);
break;
case IEEE80211_MACCMD_FLUSH:
if (acl != NULL)
acl->iac_flush(ic);
/* NB: silently ignore when not in use */
break;
case IEEE80211_MACCMD_DETACH:
if (acl != NULL) {
ic->ic_acl = NULL;
acl->iac_detach(ic);
}
break;
default:
if (acl == NULL)
return EINVAL;
else
return acl->iac_setioctl(ic, ireq);
}
return 0;
}
static int
ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211req_chanlist list;
u_char chanlist[IEEE80211_CHAN_BYTES];
int i, j, nchan, error;
if (ireq->i_len != sizeof(list))
return EINVAL;
error = copyin(ireq->i_data, &list, sizeof(list));
if (error)
return error;
memset(chanlist, 0, sizeof(chanlist));
/*
* Since channel 0 is not available for DS, channel 1
* is assigned to LSB on WaveLAN.
*/
if (ic->ic_phytype == IEEE80211_T_DS)
i = 1;
else
i = 0;
nchan = 0;
for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
/*
* NB: silently discard unavailable channels so users
* can specify 1-255 to get all available channels.
*/
if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) {
setbit(chanlist, i);
nchan++;
}
}
if (nchan == 0)
return EINVAL;
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
isclr(chanlist, ic->ic_bsschan->ic_ieee))
ic->ic_bsschan = IEEE80211_CHAN_ANYC;
memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
return IS_UP_AUTO(ic) ? ieee80211_init(ic, RESCAN) : 0;
}
static int
ieee80211_ioctl_setstastats(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_node *ni;
uint8_t macaddr[IEEE80211_ADDR_LEN];
int error;
/*
* NB: we could copyin ieee80211req_sta_stats so apps
* could make selective changes but that's overkill;
* just clear all stats for now.
*/
if (ireq->i_len < IEEE80211_ADDR_LEN)
return EINVAL;
error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
if (error != 0)
return error;
ni = ieee80211_find_node(&ic->ic_sta, macaddr);
if (ni == NULL)
return EINVAL; /* XXX */
memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
ieee80211_free_node(ni);
return 0;
}
static int
ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_node *ni;
struct ieee80211req_sta_txpow txpow;
int error;
if (ireq->i_len != sizeof(txpow))
return EINVAL;
error = copyin(ireq->i_data, &txpow, sizeof(txpow));
if (error != 0)
return error;
ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr);
if (ni == NULL)
return EINVAL; /* XXX */
ni->ni_txpower = txpow.it_txpow;
ieee80211_free_node(ni);
return error;
}
static int
ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
{
struct ieee80211_wme_state *wme = &ic->ic_wme;
struct wmeParams *wmep, *chanp;
int isbss, ac;
if ((ic->ic_caps & IEEE80211_C_WME) == 0)
return EINVAL;
isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
if (ac >= WME_NUM_AC)
ac = WME_AC_BE;
if (isbss) {
chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
} else {
chanp = &wme->wme_chanParams.cap_wmeParams[ac];
wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
}
switch (ireq->i_type) {
case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
if (isbss) {
wmep->wmep_logcwmin = ireq->i_val;
if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
chanp->wmep_logcwmin = ireq->i_val;
} else {
wmep->wmep_logcwmin = chanp->wmep_logcwmin =
ireq->i_val;
}
break;
case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
if (isbss) {
wmep->wmep_logcwmax = ireq->i_val;
if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
chanp->wmep_logcwmax = ireq->i_val;
} else {
wmep->wmep_logcwmax = chanp->wmep_logcwmax =
ireq->i_val;
}
break;
case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
if (isbss) {
wmep->wmep_aifsn = ireq->i_val;
if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
chanp->wmep_aifsn = ireq->i_val;
} else {
wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
}
break;
case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
if (isbss) {
wmep->wmep_txopLimit = ireq->i_val;
if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
chanp->wmep_txopLimit = ireq->i_val;
} else {
wmep->wmep_txopLimit = chanp->wmep_txopLimit =
ireq->i_val;
}
break;
case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
wmep->wmep_acm = ireq->i_val;
if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
chanp->wmep_acm = ireq->i_val;
break;
case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
(ireq->i_val) == 0;
break;
}
ieee80211_wme_updateparams(ic);
return 0;
}
static int
cipher2cap(int cipher)
{
switch (cipher) {
case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP;
case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES;
case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM;
case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP;
case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP;
}
return 0;
}
static int
find11gchannel(struct ieee80211com *ic, int start, int freq)
{
const struct ieee80211_channel *c;
int i;
for (i = start+1; i < ic->ic_nchans; i++) {
c = &ic->ic_channels[i];
if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
return 1;
}
/* NB: should not be needed but in case things are mis-sorted */
for (i = 0; i < start; i++) {
c = &ic->ic_channels[i];
if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
return 1;
}
return 0;
}
static struct ieee80211_channel *
findchannel(struct ieee80211com *ic, int ieee, int mode)
{
static const u_int chanflags[IEEE80211_MODE_MAX] = {
0, /* IEEE80211_MODE_AUTO */
IEEE80211_CHAN_A, /* IEEE80211_MODE_11A */
IEEE80211_CHAN_B, /* IEEE80211_MODE_11B */
IEEE80211_CHAN_G, /* IEEE80211_MODE_11G */
IEEE80211_CHAN_FHSS, /* IEEE80211_MODE_FH */
IEEE80211_CHAN_108A, /* IEEE80211_MODE_TURBO_A */
IEEE80211_CHAN_108G, /* IEEE80211_MODE_TURBO_G */
IEEE80211_CHAN_STURBO, /* IEEE80211_MODE_STURBO_A */
/* NB: handled specially below */
IEEE80211_CHAN_A, /* IEEE80211_MODE_11NA */
IEEE80211_CHAN_G, /* IEEE80211_MODE_11NG */
};
u_int modeflags;
int i;
KASSERT(mode < IEEE80211_MODE_MAX, ("bad mode %u", mode));
modeflags = chanflags[mode];
KASSERT(modeflags != 0 || mode == IEEE80211_MODE_AUTO,
("no chanflags for mode %u", mode));
for (i = 0; i < ic->ic_nchans; i++) {
struct ieee80211_channel *c = &ic->ic_channels[i];
if (c->ic_ieee != ieee)
continue;
if (mode == IEEE80211_MODE_AUTO) {
/* ignore turbo channels for autoselect */
if (IEEE80211_IS_CHAN_TURBO(c))
continue;
/*
* XXX special-case 11b/g channels so we
* always select the g channel if both
* are present.
* XXX prefer HT to non-HT?
*/
if (!IEEE80211_IS_CHAN_B(c) ||
!find11gchannel(ic, i, c->ic_freq))
return c;
} else {
/* must check HT specially */
if ((mode == IEEE80211_MODE_11NA ||
mode == IEEE80211_MODE_11NG) &&
!IEEE80211_IS_CHAN_HT(c))
continue;
if ((c->ic_flags & modeflags) == modeflags)
return c;
}
}
return NULL;
}
/*
* Check the specified against any desired mode (aka netband).
* This is only used (presently) when operating in hostap mode
* to enforce consistency.
*/
static int
check_mode_consistency(const struct ieee80211_channel *c, int mode)
{
KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
switch (mode) {
case IEEE80211_MODE_11B:
return (IEEE80211_IS_CHAN_B(c));
case IEEE80211_MODE_11G:
return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
case IEEE80211_MODE_11A:
return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
case IEEE80211_MODE_STURBO_A:
return (IEEE80211_IS_CHAN_STURBO(c));
case IEEE80211_MODE_11NA:
return (IEEE80211_IS_CHAN_HTA(c));
case IEEE80211_MODE_11NG:
return (IEEE80211_IS_CHAN_HTG(c));
}
return 1;
}
/*
* Common code to set the current channel. If the device
* is up and running this may result in an immediate channel
* change or a kick of the state machine.
*/
static int
setcurchan(struct ieee80211com *ic, struct ieee80211_channel *c)
{
int error;
if (c != IEEE80211_CHAN_ANYC) {
if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
!check_mode_consistency(c, ic->ic_des_mode))
return EINVAL;
if (ic->ic_state == IEEE80211_S_RUN && c == ic->ic_curchan)
return 0; /* NB: nothing to do */
}
ic->ic_des_chan = c;
error = 0;
if ((ic->ic_opmode == IEEE80211_M_MONITOR ||
ic->ic_opmode == IEEE80211_M_WDS) &&
ic->ic_des_chan != IEEE80211_CHAN_ANYC) {
/*
* Monitor and wds modes can switch directly.
*/
ic->ic_curchan = ic->ic_des_chan;
if (ic->ic_state == IEEE80211_S_RUN)
ic->ic_set_channel(ic);
} else {
/*
* Need to go through the state machine in case we
* need to reassociate or the like. The state machine
* will pickup the desired channel and avoid scanning.
*/
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, RESCAN);
else if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) {
/*
* When not up+running and a real channel has
* been specified fix the current channel so
* there is immediate feedback; e.g. via ifconfig.
*/
ic->ic_curchan = ic->ic_des_chan;
}
}
return error;
}
/*
* Old api for setting the current channel; this is
* deprecated because channel numbers are ambiguous.
*/
static int
ieee80211_ioctl_setchannel(struct ieee80211com *ic,
const struct ieee80211req *ireq)
{
struct ieee80211_channel *c;
/* XXX 0xffff overflows 16-bit signed */
if (ireq->i_val == 0 ||
ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
c = IEEE80211_CHAN_ANYC;
} else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX) {
return EINVAL;
} else {
struct ieee80211_channel *c2;
c = findchannel(ic, ireq->i_val, ic->ic_des_mode);
if (c == NULL) {
c = findchannel(ic, ireq->i_val,
IEEE80211_MODE_AUTO);
if (c == NULL)
return EINVAL;
}
/*
* Fine tune channel selection based on desired mode:
* if 11b is requested, find the 11b version of any
* 11g channel returned,
* if static turbo, find the turbo version of any
* 11a channel return,
* if 11na is requested, find the ht version of any
* 11a channel returned,
* if 11ng is requested, find the ht version of any
* 11g channel returned,
* otherwise we should be ok with what we've got.
*/
switch (ic->ic_des_mode) {
case IEEE80211_MODE_11B:
if (IEEE80211_IS_CHAN_ANYG(c)) {
c2 = findchannel(ic, ireq->i_val,
IEEE80211_MODE_11B);
/* NB: should not happen, =>'s 11g w/o 11b */
if (c2 != NULL)
c = c2;
}
break;
case IEEE80211_MODE_TURBO_A:
if (IEEE80211_IS_CHAN_A(c)) {
c2 = findchannel(ic, ireq->i_val,
IEEE80211_MODE_TURBO_A);
if (c2 != NULL)
c = c2;
}
break;
case IEEE80211_MODE_11NA:
if (IEEE80211_IS_CHAN_A(c)) {
c2 = findchannel(ic, ireq->i_val,
IEEE80211_MODE_11NA);
if (c2 != NULL)
c = c2;
}
break;
case IEEE80211_MODE_11NG:
if (IEEE80211_IS_CHAN_ANYG(c)) {
c2 = findchannel(ic, ireq->i_val,
IEEE80211_MODE_11NG);
if (c2 != NULL)
c = c2;
}
break;
default: /* NB: no static turboG */
break;
}
}
return setcurchan(ic, c);
}
/*
* New/current api for setting the current channel; a complete
* channel description is provide so there is no ambiguity in
* identifying the channel.
*/
static int
ieee80211_ioctl_setcurchan(struct ieee80211com *ic,
const struct ieee80211req *ireq)
{
struct ieee80211_channel chan, *c;
int error;
if (ireq->i_len != sizeof(chan))
return EINVAL;
error = copyin(ireq->i_data, &chan, sizeof(chan));
if (error != 0)
return error;
/* XXX 0xffff overflows 16-bit signed */
if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
c = IEEE80211_CHAN_ANYC;
} else {
c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
if (c == NULL)
return EINVAL;
}
return setcurchan(ic, c);
}
static int
ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
{
static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
int error;
const struct ieee80211_authenticator *auth;
uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
char tmpssid[IEEE80211_NWID_LEN];
uint8_t tmpbssid[IEEE80211_ADDR_LEN];
struct ieee80211_key *k;
int j, caps;
u_int kid;
error = 0;
switch (ireq->i_type) {
case IEEE80211_IOC_SSID:
if (ireq->i_val != 0 ||
ireq->i_len > IEEE80211_NWID_LEN)
return EINVAL;
error = copyin(ireq->i_data, tmpssid, ireq->i_len);
if (error)
break;
memset(ic->ic_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
ic->ic_des_ssid[0].len = ireq->i_len;
memcpy(ic->ic_des_ssid[0].ssid, tmpssid, ireq->i_len);
ic->ic_des_nssid = (ireq->i_len > 0);
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, RESCAN);
break;
case IEEE80211_IOC_WEP:
switch (ireq->i_val) {
case IEEE80211_WEP_OFF:
ic->ic_flags &= ~IEEE80211_F_PRIVACY;
ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
break;
case IEEE80211_WEP_ON:
ic->ic_flags |= IEEE80211_F_PRIVACY;
ic->ic_flags |= IEEE80211_F_DROPUNENC;
break;
case IEEE80211_WEP_MIXED:
ic->ic_flags |= IEEE80211_F_PRIVACY;
ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
break;
}
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, RESCAN);
break;
case IEEE80211_IOC_WEPKEY:
kid = (u_int) ireq->i_val;
if (kid >= IEEE80211_WEP_NKID)
return EINVAL;
k = &ic->ic_nw_keys[kid];
if (ireq->i_len == 0) {
/* zero-len =>'s delete any existing key */
(void) ieee80211_crypto_delkey(ic, k);
break;
}
if (ireq->i_len > sizeof(tmpkey))
return EINVAL;
memset(tmpkey, 0, sizeof(tmpkey));
error = copyin(ireq->i_data, tmpkey, ireq->i_len);
if (error)
break;
ieee80211_key_update_begin(ic);
k->wk_keyix = kid; /* NB: force fixed key id */
if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP,
IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
k->wk_keylen = ireq->i_len;
memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr))
error = EINVAL;
} else
error = EINVAL;
ieee80211_key_update_end(ic);
break;
case IEEE80211_IOC_WEPTXKEY:
kid = (u_int) ireq->i_val;
if (kid >= IEEE80211_WEP_NKID &&
(uint16_t) kid != IEEE80211_KEYIX_NONE)
return EINVAL;
ic->ic_def_txkey = kid;
break;
case IEEE80211_IOC_AUTHMODE:
switch (ireq->i_val) {
case IEEE80211_AUTH_WPA:
case IEEE80211_AUTH_8021X: /* 802.1x */
case IEEE80211_AUTH_OPEN: /* open */
case IEEE80211_AUTH_SHARED: /* shared-key */
case IEEE80211_AUTH_AUTO: /* auto */
auth = ieee80211_authenticator_get(ireq->i_val);
if (auth == NULL)
return EINVAL;
break;
default:
return EINVAL;
}
switch (ireq->i_val) {
case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
ic->ic_flags |= IEEE80211_F_PRIVACY;
ireq->i_val = IEEE80211_AUTH_8021X;
break;
case IEEE80211_AUTH_OPEN: /* open */
ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
break;
case IEEE80211_AUTH_SHARED: /* shared-key */
case IEEE80211_AUTH_8021X: /* 802.1x */
ic->ic_flags &= ~IEEE80211_F_WPA;
/* both require a key so mark the PRIVACY capability */
ic->ic_flags |= IEEE80211_F_PRIVACY;
break;
case IEEE80211_AUTH_AUTO: /* auto */
ic->ic_flags &= ~IEEE80211_F_WPA;
/* XXX PRIVACY handling? */
/* XXX what's the right way to do this? */
break;
}
/* NB: authenticator attach/detach happens on state change */
ic->ic_bss->ni_authmode = ireq->i_val;
/* XXX mixed/mode/usage? */
ic->ic_auth = auth;
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, RESCAN);
break;
case IEEE80211_IOC_CHANNEL:
error = ieee80211_ioctl_setchannel(ic, ireq);
break;
case IEEE80211_IOC_POWERSAVE:
switch (ireq->i_val) {
case IEEE80211_POWERSAVE_OFF:
if (ic->ic_flags & IEEE80211_F_PMGTON) {
ic->ic_flags &= ~IEEE80211_F_PMGTON;
error = ENETRESET;
}
break;
case IEEE80211_POWERSAVE_ON:
if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
error = EINVAL;
else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
ic->ic_flags |= IEEE80211_F_PMGTON;
error = ENETRESET;
}
break;
default:
error = EINVAL;
break;
}
if (error == ENETRESET) {
/*
* Switching in+out of power save mode
* should not require a state change.
*/
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
}
break;
case IEEE80211_IOC_POWERSAVESLEEP:
if (ireq->i_val < 0)
return EINVAL;
ic->ic_lintval = ireq->i_val;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_RTSTHRESHOLD:
if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_RTS_MAX))
return EINVAL;
ic->ic_rtsthreshold = ireq->i_val;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_PROTMODE:
if (ireq->i_val > IEEE80211_PROT_RTSCTS)
return EINVAL;
ic->ic_protmode = ireq->i_val;
/* NB: if not operating in 11g this can wait */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_TXPOWER:
if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
return EINVAL;
if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_TXPOWER_MAX))
return EINVAL;
ic->ic_txpowlimit = ireq->i_val;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_ROAMING:
if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
ireq->i_val <= IEEE80211_ROAMING_MANUAL))
return EINVAL;
ic->ic_roaming = ireq->i_val;
/* XXXX reset? */
break;
case IEEE80211_IOC_PRIVACY:
if (ireq->i_val) {
/* XXX check for key state? */
ic->ic_flags |= IEEE80211_F_PRIVACY;
} else
ic->ic_flags &= ~IEEE80211_F_PRIVACY;
break;
case IEEE80211_IOC_DROPUNENCRYPTED:
if (ireq->i_val)
ic->ic_flags |= IEEE80211_F_DROPUNENC;
else
ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
break;
case IEEE80211_IOC_WPAKEY:
error = ieee80211_ioctl_setkey(ic, ireq);
break;
case IEEE80211_IOC_DELKEY:
error = ieee80211_ioctl_delkey(ic, ireq);
break;
case IEEE80211_IOC_MLME:
error = ieee80211_ioctl_setmlme(ic, ireq);
break;
case IEEE80211_IOC_OPTIE:
error = ieee80211_ioctl_setoptie(ic, ireq);
break;
case IEEE80211_IOC_COUNTERMEASURES:
if (ireq->i_val) {
if ((ic->ic_flags & IEEE80211_F_WPA) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_COUNTERM;
} else
ic->ic_flags &= ~IEEE80211_F_COUNTERM;
break;
case IEEE80211_IOC_WPA:
if (ireq->i_val > 3)
return EINVAL;
/* XXX verify ciphers available */
ic->ic_flags &= ~IEEE80211_F_WPA;
switch (ireq->i_val) {
case 1:
ic->ic_flags |= IEEE80211_F_WPA1;
break;
case 2:
ic->ic_flags |= IEEE80211_F_WPA2;
break;
case 3:
ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
break;
}
error = ENETRESET;
break;
case IEEE80211_IOC_WME:
if (ireq->i_val) {
if ((ic->ic_caps & IEEE80211_C_WME) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_WME;
} else
ic->ic_flags &= ~IEEE80211_F_WME;
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, 0);
break;
case IEEE80211_IOC_HIDESSID:
if (ireq->i_val)
ic->ic_flags |= IEEE80211_F_HIDESSID;
else
ic->ic_flags &= ~IEEE80211_F_HIDESSID;
error = ENETRESET;
break;
case IEEE80211_IOC_APBRIDGE:
if (ireq->i_val == 0)
ic->ic_flags |= IEEE80211_F_NOBRIDGE;
else
ic->ic_flags &= ~IEEE80211_F_NOBRIDGE;
break;
case IEEE80211_IOC_MCASTCIPHER:
if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 &&
!ieee80211_crypto_available(ireq->i_val))
return EINVAL;
rsn->rsn_mcastcipher = ireq->i_val;
error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
break;
case IEEE80211_IOC_MCASTKEYLEN:
if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
return EINVAL;
/* XXX no way to verify driver capability */
rsn->rsn_mcastkeylen = ireq->i_val;
error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
break;
case IEEE80211_IOC_UCASTCIPHERS:
/*
* Convert user-specified cipher set to the set
* we can support (via hardware or software).
* NB: this logic intentionally ignores unknown and
* unsupported ciphers so folks can specify 0xff or
* similar and get all available ciphers.
*/
caps = 0;
for (j = 1; j < 32; j++) /* NB: skip WEP */
if ((ireq->i_val & (1<<j)) &&
((ic->ic_caps & cipher2cap(j)) ||
ieee80211_crypto_available(j)))
caps |= 1<<j;
if (caps == 0) /* nothing available */
return EINVAL;
/* XXX verify ciphers ok for unicast use? */
/* XXX disallow if running as it'll have no effect */
rsn->rsn_ucastcipherset = caps;
error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
break;
case IEEE80211_IOC_UCASTCIPHER:
if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0)
return EINVAL;
rsn->rsn_ucastcipher = ireq->i_val;
break;
case IEEE80211_IOC_UCASTKEYLEN:
if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
return EINVAL;
/* XXX no way to verify driver capability */
rsn->rsn_ucastkeylen = ireq->i_val;
break;
case IEEE80211_IOC_DRIVER_CAPS:
/* NB: for testing */
ic->ic_caps = (((uint16_t) ireq->i_val) << 16) |
((uint16_t) ireq->i_len);
break;
case IEEE80211_IOC_KEYMGTALGS:
/* XXX check */
rsn->rsn_keymgmtset = ireq->i_val;
error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
break;
case IEEE80211_IOC_RSNCAPS:
/* XXX check */
rsn->rsn_caps = ireq->i_val;
error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
break;
case IEEE80211_IOC_BSSID:
if (ireq->i_len != sizeof(tmpbssid))
return EINVAL;
error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
if (error)
break;
IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid);
if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid))
ic->ic_flags &= ~IEEE80211_F_DESBSSID;
else
ic->ic_flags |= IEEE80211_F_DESBSSID;
if (IS_UP_AUTO(ic))
error = ieee80211_init(ic, RESCAN);
break;
case IEEE80211_IOC_CHANLIST:
error = ieee80211_ioctl_setchanlist(ic, ireq);
break;
case IEEE80211_IOC_SCAN_REQ:
if (!IS_UP(ic))
return EINVAL;
(void) ieee80211_start_scan(ic,
IEEE80211_SCAN_ACTIVE |
IEEE80211_SCAN_NOPICK |
IEEE80211_SCAN_ONCE, IEEE80211_SCAN_FOREVER,
/* XXX use ioctl params */
ic->ic_des_nssid, ic->ic_des_ssid);
break;
case IEEE80211_IOC_ADDMAC:
case IEEE80211_IOC_DELMAC:
error = ieee80211_ioctl_macmac(ic, ireq);
break;
case IEEE80211_IOC_MACCMD:
error = ieee80211_ioctl_setmaccmd(ic, ireq);
break;
case IEEE80211_IOC_STA_STATS:
error = ieee80211_ioctl_setstastats(ic, ireq);
break;
case IEEE80211_IOC_STA_TXPOW:
error = ieee80211_ioctl_setstatxpow(ic, ireq);
break;
case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
error = ieee80211_ioctl_setwmeparam(ic, ireq);
break;
case IEEE80211_IOC_DTIM_PERIOD:
if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
ic->ic_opmode != IEEE80211_M_IBSS)
return EINVAL;
if (IEEE80211_DTIM_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_DTIM_MAX) {
ic->ic_dtim_period = ireq->i_val;
error = ENETRESET; /* requires restart */
} else
error = EINVAL;
break;
case IEEE80211_IOC_BEACON_INTERVAL:
if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
ic->ic_opmode != IEEE80211_M_IBSS)
return EINVAL;
if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_BINTVAL_MAX) {
ic->ic_bintval = ireq->i_val;
error = ENETRESET; /* requires restart */
} else
error = EINVAL;
break;
case IEEE80211_IOC_PUREG:
if (ireq->i_val)
ic->ic_flags |= IEEE80211_F_PUREG;
else
ic->ic_flags &= ~IEEE80211_F_PUREG;
/* NB: reset only if we're operating on an 11g channel */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
error = ENETRESET;
break;
case IEEE80211_IOC_FF:
if (ireq->i_val) {
if ((ic->ic_caps & IEEE80211_C_FF) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_FF;
} else
ic->ic_flags &= ~IEEE80211_F_FF;
error = ENETRESET;
break;
case IEEE80211_IOC_TURBOP:
if (ireq->i_val) {
if ((ic->ic_caps & IEEE80211_C_TURBOP) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_TURBOP;
} else
ic->ic_flags &= ~IEEE80211_F_TURBOP;
error = ENETRESET;
break;
case IEEE80211_IOC_BGSCAN:
if (ireq->i_val) {
if ((ic->ic_caps & IEEE80211_C_BGSCAN) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_BGSCAN;
} else
ic->ic_flags &= ~IEEE80211_F_BGSCAN;
break;
case IEEE80211_IOC_BGSCAN_IDLE:
if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
ic->ic_bgscanidle = ireq->i_val*hz/1000;
else
error = EINVAL;
break;
case IEEE80211_IOC_BGSCAN_INTERVAL:
if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
ic->ic_bgscanintvl = ireq->i_val*hz;
else
error = EINVAL;
break;
case IEEE80211_IOC_SCANVALID:
if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
ic->ic_scanvalid = ireq->i_val*hz;
else
error = EINVAL;
break;
case IEEE80211_IOC_ROAM_RSSI_11A:
ic->ic_roam.rssi11a = ireq->i_val;
break;
case IEEE80211_IOC_ROAM_RSSI_11B:
ic->ic_roam.rssi11bOnly = ireq->i_val;
break;
case IEEE80211_IOC_ROAM_RSSI_11G:
ic->ic_roam.rssi11b = ireq->i_val;
break;
case IEEE80211_IOC_ROAM_RATE_11A:
ic->ic_roam.rate11a = ireq->i_val & IEEE80211_RATE_VAL;
break;
case IEEE80211_IOC_ROAM_RATE_11B:
ic->ic_roam.rate11bOnly = ireq->i_val & IEEE80211_RATE_VAL;
break;
case IEEE80211_IOC_ROAM_RATE_11G:
ic->ic_roam.rate11b = ireq->i_val & IEEE80211_RATE_VAL;
break;
case IEEE80211_IOC_MCAST_RATE:
ic->ic_mcast_rate = ireq->i_val & IEEE80211_RATE_VAL;
break;
case IEEE80211_IOC_FRAGTHRESHOLD:
if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 &&
ireq->i_val != IEEE80211_FRAG_MAX)
return EINVAL;
if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_FRAG_MAX))
return EINVAL;
ic->ic_fragthreshold = ireq->i_val;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_BURST:
if (ireq->i_val) {
if ((ic->ic_caps & IEEE80211_C_BURST) == 0)
return EINVAL;
ic->ic_flags |= IEEE80211_F_BURST;
} else
ic->ic_flags &= ~IEEE80211_F_BURST;
error = ENETRESET; /* XXX maybe not for station? */
break;
case IEEE80211_IOC_BMISSTHRESHOLD:
if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
ireq->i_val <= IEEE80211_HWBMISS_MAX))
return EINVAL;
ic->ic_bmissthreshold = ireq->i_val;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_CURCHAN:
error = ieee80211_ioctl_setcurchan(ic, ireq);
break;
case IEEE80211_IOC_SHORTGI:
if (ireq->i_val) {
#define IEEE80211_HTCAP_SHORTGI \
(IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
if (((ireq->i_val ^ ic->ic_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
return EINVAL;
if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
ic->ic_flags_ext |= IEEE80211_FEXT_SHORTGI20;
if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
ic->ic_flags_ext |= IEEE80211_FEXT_SHORTGI40;
#undef IEEE80211_HTCAP_SHORTGI
} else
ic->ic_flags_ext &=
~(IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40);
/* XXX kick state machine? */
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_AMPDU:
if (ireq->i_val) {
if ((ic->ic_htcaps & IEEE80211_HTC_AMPDU) == 0)
return EINVAL;
if (ireq->i_val & 1)
ic->ic_flags_ext |= IEEE80211_FEXT_AMPDU_TX;
if (ireq->i_val & 2)
ic->ic_flags_ext |= IEEE80211_FEXT_AMPDU_RX;
} else
ic->ic_flags_ext &=
~(IEEE80211_FEXT_AMPDU_TX|IEEE80211_FEXT_AMPDU_RX);
/* NB: reset only if we're operating on an 11n channel */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
error = ENETRESET;
break;
case IEEE80211_IOC_AMPDU_LIMIT:
/* XXX validate */
ic->ic_ampdu_limit = ireq->i_val;
break;
case IEEE80211_IOC_AMPDU_DENSITY:
/* XXX validate */
ic->ic_ampdu_density = ireq->i_val;
break;
case IEEE80211_IOC_AMSDU:
if (ireq->i_val) {
if ((ic->ic_htcaps & IEEE80211_HTC_AMSDU) == 0)
return EINVAL;
if (ireq->i_val & 1)
ic->ic_flags_ext |= IEEE80211_FEXT_AMSDU_TX;
if (ireq->i_val & 2)
ic->ic_flags_ext |= IEEE80211_FEXT_AMSDU_RX;
} else
ic->ic_flags_ext &=
~(IEEE80211_FEXT_AMSDU_TX|IEEE80211_FEXT_AMSDU_RX);
/* NB: reset only if we're operating on an 11n channel */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
error = ENETRESET;
break;
case IEEE80211_IOC_AMSDU_LIMIT:
/* XXX validate */
ic->ic_amsdu_limit = ireq->i_val; /* XXX truncation? */
break;
case IEEE80211_IOC_PUREN:
if (ireq->i_val) {
if ((ic->ic_flags_ext & IEEE80211_FEXT_HT) == 0)
return EINVAL;
ic->ic_flags_ext |= IEEE80211_FEXT_PUREN;
} else
ic->ic_flags_ext &= ~IEEE80211_FEXT_PUREN;
/* NB: reset only if we're operating on an 11n channel */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
error = ENETRESET;
break;
case IEEE80211_IOC_DOTH:
if (ireq->i_val) {
#if 0
/* XXX no capability */
if ((ic->ic_caps & IEEE80211_C_DOTH) == 0)
return EINVAL;
#endif
ic->ic_flags |= IEEE80211_F_DOTH;
} else
ic->ic_flags &= ~IEEE80211_F_DOTH;
error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
break;
case IEEE80211_IOC_HTCOMPAT:
if (ireq->i_val) {
if ((ic->ic_flags_ext & IEEE80211_FEXT_HT) == 0)
return EINVAL;
ic->ic_flags_ext |= IEEE80211_FEXT_HTCOMPAT;
} else
ic->ic_flags_ext &= ~IEEE80211_FEXT_HTCOMPAT;
/* NB: reset only if we're operating on an 11n channel */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
error = ENETRESET;
break;
case IEEE80211_IOC_INACTIVITY:
if (ireq->i_val)
ic->ic_flags_ext |= IEEE80211_FEXT_INACT;
else
ic->ic_flags_ext &= ~IEEE80211_FEXT_INACT;
break;
case IEEE80211_IOC_HTPROTMODE:
if (ireq->i_val > IEEE80211_PROT_RTSCTS)
return EINVAL;
ic->ic_htprotmode = ireq->i_val ?
IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
/* NB: if not operating in 11n this can wait */
if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
error = ERESTART;
break;
case IEEE80211_IOC_HTCONF:
if (ireq->i_val & 1)
ic->ic_flags_ext |= IEEE80211_FEXT_HT;
else
ic->ic_flags_ext &= ~IEEE80211_FEXT_HT;
if (ireq->i_val & 2)
ic->ic_flags_ext |= IEEE80211_FEXT_USEHT40;
else
ic->ic_flags_ext &= ~IEEE80211_FEXT_USEHT40;
error = ENETRESET;
break;
default:
error = EINVAL;
break;
}
if (error == ENETRESET)
error = IS_UP_AUTO(ic) ? ieee80211_init(ic, 0) : 0;
return error;
}
int
ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data)
{
struct ifnet *ifp = ic->ic_ifp;
int error = 0;
struct ifreq *ifr;
struct ifaddr *ifa; /* XXX */
switch (cmd) {
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
error = ifmedia_ioctl(ifp, (struct ifreq *) data,
&ic->ic_media, cmd);
break;
case SIOCG80211:
error = ieee80211_ioctl_get80211(ic, cmd,
(struct ieee80211req *) data);
break;
case SIOCS80211:
error = priv_check(curthread, PRIV_NET80211_MANAGE);
if (error == 0)
error = ieee80211_ioctl_set80211(ic, cmd,
(struct ieee80211req *) data);
break;
case SIOCG80211STATS:
ifr = (struct ifreq *)data;
copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats));
break;
case SIOCSIFMTU:
ifr = (struct ifreq *)data;
if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
ifr->ifr_mtu <= IEEE80211_MTU_MAX))
error = EINVAL;
else
ifp->if_mtu = ifr->ifr_mtu;
break;
case SIOCSIFADDR:
/*
* XXX Handle this directly so we can supress if_init calls.
* XXX This should be done in ether_ioctl but for the moment
* XXX there are too many other parts of the system that
* XXX set IFF_UP and so supress if_init being called when
* XXX it should be.
*/
ifa = (struct ifaddr *) data;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
if ((ifp->if_flags & IFF_UP) == 0) {
ifp->if_flags |= IFF_UP;
ifp->if_init(ifp->if_softc);
}
arp_ifinit(ifp, ifa);
break;
#endif
#ifdef IPX
/*
* XXX - This code is probably wrong,
* but has been copied many times.
*/
case AF_IPX: {
struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
if (ipx_nullhost(*ina))
ina->x_host = *(union ipx_host *)
IF_LLADDR(ifp);
else
bcopy((caddr_t) ina->x_host.c_host,
(caddr_t) IF_LLADDR(ifp),
ETHER_ADDR_LEN);
/* fall thru... */
}
#endif
default:
if ((ifp->if_flags & IFF_UP) == 0) {
ifp->if_flags |= IFF_UP;
ifp->if_init(ifp->if_softc);
}
break;
}
break;
default:
error = ether_ioctl(ifp, cmd, data);
break;
}
return error;
}
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