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gerrit-public.fairphone.software / kernel / msm-4.19 / 47a5c6fa0e204a2b63309c648bb2fde36836c826 / . / drivers / net / wireless / prism54 / isl_ioctl.c
blob: 989599ad33ef076e875ad944e41df82345ae19df [file] [log] [blame]
/*
*
* Copyright (C) 2002 Intersil Americas Inc.
* (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
* (C) 2003 Herbert Valerio Riedel <hvr@gnu.org>
* (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
#include "prismcompat.h"
#include "isl_ioctl.h"
#include "islpci_mgt.h"
#include "isl_oid.h" /* additional types and defs for isl38xx fw */
#include "oid_mgt.h"
#include <net/iw_handler.h> /* New driver API */
static void prism54_wpa_ie_add(islpci_private *priv, u8 *bssid,
u8 *wpa_ie, size_t wpa_ie_len);
static size_t prism54_wpa_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie);
static int prism54_set_wpa(struct net_device *, struct iw_request_info *,
__u32 *, char *);
/**
* prism54_mib_mode_helper - MIB change mode helper function
* @mib: the &struct islpci_mib object to modify
* @iw_mode: new mode (%IW_MODE_*)
*
* This is a helper function, hence it does not lock. Make sure
* caller deals with locking *if* necessary. This function sets the
* mode-dependent mib values and does the mapping of the Linux
* Wireless API modes to Device firmware modes. It also checks for
* correct valid Linux wireless modes.
*/
static int
prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode)
{
u32 config = INL_CONFIG_MANUALRUN;
u32 mode, bsstype;
/* For now, just catch early the Repeater and Secondary modes here */
if (iw_mode == IW_MODE_REPEAT || iw_mode == IW_MODE_SECOND) {
printk(KERN_DEBUG
"%s(): Sorry, Repeater mode and Secondary mode "
"are not yet supported by this driver.\n", __FUNCTION__);
return -EINVAL;
}
priv->iw_mode = iw_mode;
switch (iw_mode) {
case IW_MODE_AUTO:
mode = INL_MODE_CLIENT;
bsstype = DOT11_BSSTYPE_ANY;
break;
case IW_MODE_ADHOC:
mode = INL_MODE_CLIENT;
bsstype = DOT11_BSSTYPE_IBSS;
break;
case IW_MODE_INFRA:
mode = INL_MODE_CLIENT;
bsstype = DOT11_BSSTYPE_INFRA;
break;
case IW_MODE_MASTER:
mode = INL_MODE_AP;
bsstype = DOT11_BSSTYPE_INFRA;
break;
case IW_MODE_MONITOR:
mode = INL_MODE_PROMISCUOUS;
bsstype = DOT11_BSSTYPE_ANY;
config |= INL_CONFIG_RXANNEX;
break;
default:
return -EINVAL;
}
if (init_wds)
config |= INL_CONFIG_WDS;
mgt_set(priv, DOT11_OID_BSSTYPE, &bsstype);
mgt_set(priv, OID_INL_CONFIG, &config);
mgt_set(priv, OID_INL_MODE, &mode);
return 0;
}
/**
* prism54_mib_init - fill MIB cache with defaults
*
* this function initializes the struct given as @mib with defaults,
* of which many are retrieved from the global module parameter
* variables.
*/
void
prism54_mib_init(islpci_private *priv)
{
u32 channel, authen, wep, filter, dot1x, mlme, conformance, power, mode;
struct obj_buffer psm_buffer = {
.size = PSM_BUFFER_SIZE,
.addr = priv->device_psm_buffer
};
channel = CARD_DEFAULT_CHANNEL;
authen = CARD_DEFAULT_AUTHEN;
wep = CARD_DEFAULT_WEP;
filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */
dot1x = CARD_DEFAULT_DOT1X;
mlme = CARD_DEFAULT_MLME_MODE;
conformance = CARD_DEFAULT_CONFORMANCE;
power = 127;
mode = CARD_DEFAULT_IW_MODE;
mgt_set(priv, DOT11_OID_CHANNEL, &channel);
mgt_set(priv, DOT11_OID_AUTHENABLE, &authen);
mgt_set(priv, DOT11_OID_PRIVACYINVOKED, &wep);
mgt_set(priv, DOT11_OID_PSMBUFFER, &psm_buffer);
mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &filter);
mgt_set(priv, DOT11_OID_DOT1XENABLE, &dot1x);
mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlme);
mgt_set(priv, OID_INL_DOT11D_CONFORMANCE, &conformance);
mgt_set(priv, OID_INL_OUTPUTPOWER, &power);
/* This sets all of the mode-dependent values */
prism54_mib_mode_helper(priv, mode);
}
/* this will be executed outside of atomic context thanks to
* schedule_work(), thus we can as well use sleeping semaphore
* locking */
void
prism54_update_stats(islpci_private *priv)
{
char *data;
int j;
struct obj_bss bss, *bss2;
union oid_res_t r;
if (down_interruptible(&priv->stats_sem))
return;
/* Noise floor.
* I'm not sure if the unit is dBm.
* Note : If we are not connected, this value seems to be irrelevant. */
mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
priv->local_iwstatistics.qual.noise = r.u;
/* Get the rssi of the link. To do this we need to retrieve a bss. */
/* First get the MAC address of the AP we are associated with. */
mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
data = r.ptr;
/* copy this MAC to the bss */
memcpy(bss.address, data, 6);
kfree(data);
/* now ask for the corresponding bss */
j = mgt_get_request(priv, DOT11_OID_BSSFIND, 0, (void *) &bss, &r);
bss2 = r.ptr;
/* report the rssi and use it to calculate
* link quality through a signal-noise
* ratio */
priv->local_iwstatistics.qual.level = bss2->rssi;
priv->local_iwstatistics.qual.qual =
bss2->rssi - priv->iwstatistics.qual.noise;
kfree(bss2);
/* report that the stats are new */
priv->local_iwstatistics.qual.updated = 0x7;
/* Rx : unable to decrypt the MPDU */
mgt_get_request(priv, DOT11_OID_PRIVRXFAILED, 0, NULL, &r);
priv->local_iwstatistics.discard.code = r.u;
/* Tx : Max MAC retries num reached */
mgt_get_request(priv, DOT11_OID_MPDUTXFAILED, 0, NULL, &r);
priv->local_iwstatistics.discard.retries = r.u;
up(&priv->stats_sem);
return;
}
struct iw_statistics *
prism54_get_wireless_stats(struct net_device *ndev)
{
islpci_private *priv = netdev_priv(ndev);
/* If the stats are being updated return old data */
if (down_trylock(&priv->stats_sem) == 0) {
memcpy(&priv->iwstatistics, &priv->local_iwstatistics,
sizeof (struct iw_statistics));
/* They won't be marked updated for the next time */
priv->local_iwstatistics.qual.updated = 0;
up(&priv->stats_sem);
} else
priv->iwstatistics.qual.updated = 0;
/* Update our wireless stats, but do not schedule to often
* (max 1 HZ) */
if ((priv->stats_timestamp == 0) ||
time_after(jiffies, priv->stats_timestamp + 1 * HZ)) {
schedule_work(&priv->stats_work);
priv->stats_timestamp = jiffies;
}
return &priv->iwstatistics;
}
static int
prism54_commit(struct net_device *ndev, struct iw_request_info *info,
char *cwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
/* simply re-set the last set SSID, this should commit most stuff */
/* Commit in Monitor mode is not necessary, also setting essid
* in Monitor mode does not make sense and isn't allowed for this
* device's firmware */
if (priv->iw_mode != IW_MODE_MONITOR)
return mgt_set_request(priv, DOT11_OID_SSID, 0, NULL);
return 0;
}
static int
prism54_get_name(struct net_device *ndev, struct iw_request_info *info,
char *cwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
char *capabilities;
union oid_res_t r;
int rvalue;
if (islpci_get_state(priv) < PRV_STATE_INIT) {
strncpy(cwrq, "NOT READY!", IFNAMSIZ);
return 0;
}
rvalue = mgt_get_request(priv, OID_INL_PHYCAPABILITIES, 0, NULL, &r);
switch (r.u) {
case INL_PHYCAP_5000MHZ:
capabilities = "IEEE 802.11a/b/g";
break;
case INL_PHYCAP_FAA:
capabilities = "IEEE 802.11b/g - FAA Support";
break;
case INL_PHYCAP_2400MHZ:
default:
capabilities = "IEEE 802.11b/g"; /* Default */
break;
}
strncpy(cwrq, capabilities, IFNAMSIZ);
return rvalue;
}
static int
prism54_set_freq(struct net_device *ndev, struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
int rvalue;
u32 c;
if (fwrq->m < 1000)
/* we have a channel number */
c = fwrq->m;
else
c = (fwrq->e == 1) ? channel_of_freq(fwrq->m / 100000) : 0;
rvalue = c ? mgt_set_request(priv, DOT11_OID_CHANNEL, 0, &c) : -EINVAL;
/* Call commit handler */
return (rvalue ? rvalue : -EINPROGRESS);
}
static int
prism54_get_freq(struct net_device *ndev, struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, DOT11_OID_CHANNEL, 0, NULL, &r);
fwrq->i = r.u;
rvalue |= mgt_get_request(priv, DOT11_OID_FREQUENCY, 0, NULL, &r);
fwrq->m = r.u;
fwrq->e = 3;
return rvalue;
}
static int
prism54_set_mode(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
/* Let's see if the user passed a valid Linux Wireless mode */
if (*uwrq > IW_MODE_MONITOR || *uwrq < IW_MODE_AUTO) {
printk(KERN_DEBUG
"%s: %s() You passed a non-valid init_mode.\n",
priv->ndev->name, __FUNCTION__);
return -EINVAL;
}
down_write(&priv->mib_sem);
if (prism54_mib_mode_helper(priv, *uwrq)) {
up_write(&priv->mib_sem);
return -EOPNOTSUPP;
}
/* the ACL code needs an intermediate mlmeautolevel. The wpa stuff an
* extended one.
*/
if ((*uwrq == IW_MODE_MASTER) && (priv->acl.policy != MAC_POLICY_OPEN))
mlmeautolevel = DOT11_MLME_INTERMEDIATE;
if (priv->wpa)
mlmeautolevel = DOT11_MLME_EXTENDED;
mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
if (mgt_commit(priv)) {
up_write(&priv->mib_sem);
return -EIO;
}
priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR)
? priv->monitor_type : ARPHRD_ETHER;
up_write(&priv->mib_sem);
return 0;
}
/* Use mib cache */
static int
prism54_get_mode(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode >
IW_MODE_MONITOR));
*uwrq = priv->iw_mode;
return 0;
}
/* we use DOT11_OID_EDTHRESHOLD. From what I guess the card will not try to
* emit data if (sensitivity > rssi - noise) (in dBm).
* prism54_set_sens does not seem to work.
*/
static int
prism54_set_sens(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 sens;
/* by default the card sets this to 20. */
sens = vwrq->disabled ? 20 : vwrq->value;
return mgt_set_request(priv, DOT11_OID_EDTHRESHOLD, 0, &sens);
}
static int
prism54_get_sens(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, DOT11_OID_EDTHRESHOLD, 0, NULL, &r);
vwrq->value = r.u;
vwrq->disabled = (vwrq->value == 0);
vwrq->fixed = 1;
return rvalue;
}
static int
prism54_get_range(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
struct iw_range *range = (struct iw_range *) extra;
islpci_private *priv = netdev_priv(ndev);
u8 *data;
int i, m, rvalue;
struct obj_frequencies *freq;
union oid_res_t r;
memset(range, 0, sizeof (struct iw_range));
dwrq->length = sizeof (struct iw_range);
/* set the wireless extension version number */
range->we_version_source = SUPPORTED_WIRELESS_EXT;
range->we_version_compiled = WIRELESS_EXT;
/* Now the encoding capabilities */
range->num_encoding_sizes = 3;
/* 64(40) bits WEP */
range->encoding_size[0] = 5;
/* 128(104) bits WEP */
range->encoding_size[1] = 13;
/* 256 bits for WPA-PSK */
range->encoding_size[2] = 32;
/* 4 keys are allowed */
range->max_encoding_tokens = 4;
/* we don't know the quality range... */
range->max_qual.level = 0;
range->max_qual.noise = 0;
range->max_qual.qual = 0;
/* these value describe an average quality. Needs more tweaking... */
range->avg_qual.level = -80; /* -80 dBm */
range->avg_qual.noise = 0; /* don't know what to put here */
range->avg_qual.qual = 0;
range->sensitivity = 200;
/* retry limit capabilities */
range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
range->retry_flags = IW_RETRY_LIMIT;
range->r_time_flags = IW_RETRY_LIFETIME;
/* I don't know the range. Put stupid things here */
range->min_retry = 1;
range->max_retry = 65535;
range->min_r_time = 1024;
range->max_r_time = 65535 * 1024;
/* txpower is supported in dBm's */
range->txpower_capa = IW_TXPOW_DBM;
/* Event capability (kernel + driver) */
range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
IW_EVENT_CAPA_MASK(SIOCGIWAP));
range->event_capa[1] = IW_EVENT_CAPA_K_1;
range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM);
if (islpci_get_state(priv) < PRV_STATE_INIT)
return 0;
/* Request the device for the supported frequencies
* not really relevant since some devices will report the 5 GHz band
* frequencies even if they don't support them.
*/
rvalue =
mgt_get_request(priv, DOT11_OID_SUPPORTEDFREQUENCIES, 0, NULL, &r);
freq = r.ptr;
range->num_channels = freq->nr;
range->num_frequency = freq->nr;
m = min(IW_MAX_FREQUENCIES, (int) freq->nr);
for (i = 0; i < m; i++) {
range->freq[i].m = freq->mhz[i];
range->freq[i].e = 6;
range->freq[i].i = channel_of_freq(freq->mhz[i]);
}
kfree(freq);
rvalue |= mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
data = r.ptr;
/* We got an array of char. It is NULL terminated. */
i = 0;
while ((i < IW_MAX_BITRATES) && (*data != 0)) {
/* the result must be in bps. The card gives us 500Kbps */
range->bitrate[i] = *data * 500000;
i++;
data++;
}
range->num_bitrates = i;
kfree(r.ptr);
return rvalue;
}
/* Set AP address*/
static int
prism54_set_wap(struct net_device *ndev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
char bssid[6];
int rvalue;
if (awrq->sa_family != ARPHRD_ETHER)
return -EINVAL;
/* prepare the structure for the set object */
memcpy(&bssid[0], awrq->sa_data, 6);
/* set the bssid -- does this make sense when in AP mode? */
rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid);
return (rvalue ? rvalue : -EINPROGRESS); /* Call commit handler */
}
/* get AP address*/
static int
prism54_get_wap(struct net_device *ndev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
memcpy(awrq->sa_data, r.ptr, 6);
awrq->sa_family = ARPHRD_ETHER;
kfree(r.ptr);
return rvalue;
}
static int
prism54_set_scan(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
/* hehe the device does this automagicaly */
return 0;
}
/* a little helper that will translate our data into a card independent
* format that the Wireless Tools will understand. This was inspired by
* the "Aironet driver for 4500 and 4800 series cards" (GPL)
*/
static char *
prism54_translate_bss(struct net_device *ndev, char *current_ev,
char *end_buf, struct obj_bss *bss, char noise)
{
struct iw_event iwe; /* Temporary buffer */
short cap;
islpci_private *priv = netdev_priv(ndev);
/* The first entry must be the MAC address */
memcpy(iwe.u.ap_addr.sa_data, bss->address, 6);
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
iwe.cmd = SIOCGIWAP;
current_ev =
iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
/* The following entries will be displayed in the same order we give them */
/* The ESSID. */
iwe.u.data.length = bss->ssid.length;
iwe.u.data.flags = 1;
iwe.cmd = SIOCGIWESSID;
current_ev = iwe_stream_add_point(current_ev, end_buf,
&iwe, bss->ssid.octets);
/* Capabilities */
#define CAP_ESS 0x01
#define CAP_IBSS 0x02
#define CAP_CRYPT 0x10
/* Mode */
cap = bss->capinfo;
iwe.u.mode = 0;
if (cap & CAP_ESS)
iwe.u.mode = IW_MODE_MASTER;
else if (cap & CAP_IBSS)
iwe.u.mode = IW_MODE_ADHOC;
iwe.cmd = SIOCGIWMODE;
if (iwe.u.mode)
current_ev =
iwe_stream_add_event(current_ev, end_buf, &iwe,
IW_EV_UINT_LEN);
/* Encryption capability */
if (cap & CAP_CRYPT)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
iwe.cmd = SIOCGIWENCODE;
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
/* Add frequency. (short) bss->channel is the frequency in MHz */
iwe.u.freq.m = bss->channel;
iwe.u.freq.e = 6;
iwe.cmd = SIOCGIWFREQ;
current_ev =
iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
/* Add quality statistics */
iwe.u.qual.level = bss->rssi;
iwe.u.qual.noise = noise;
/* do a simple SNR for quality */
iwe.u.qual.qual = bss->rssi - noise;
iwe.cmd = IWEVQUAL;
current_ev =
iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
if (priv->wpa) {
u8 wpa_ie[MAX_WPA_IE_LEN];
char *buf, *p;
size_t wpa_ie_len;
int i;
wpa_ie_len = prism54_wpa_ie_get(priv, bss->address, wpa_ie);
if (wpa_ie_len > 0 &&
(buf = kmalloc(wpa_ie_len * 2 + 10, GFP_ATOMIC))) {
p = buf;
p += sprintf(p, "wpa_ie=");
for (i = 0; i < wpa_ie_len; i++) {
p += sprintf(p, "%02x", wpa_ie[i]);
}
memset(&iwe, 0, sizeof (iwe));
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(current_ev, end_buf,
&iwe, buf);
kfree(buf);
}
}
return current_ev;
}
static int
prism54_get_scan(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
int i, rvalue;
struct obj_bsslist *bsslist;
u32 noise = 0;
char *current_ev = extra;
union oid_res_t r;
if (islpci_get_state(priv) < PRV_STATE_INIT) {
/* device is not ready, fail gently */
dwrq->length = 0;
return 0;
}
/* first get the noise value. We will use it to report the link quality */
rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
noise = r.u;
/* Ask the device for a list of known bss.
* The old API, using SIOCGIWAPLIST, had a hard limit of IW_MAX_AP=64.
* The new API, using SIOCGIWSCAN, is only limited by the buffer size.
* WE-14->WE-16, the buffer is limited to IW_SCAN_MAX_DATA bytes.
* Starting with WE-17, the buffer can be as big as needed.
* But the device won't repport anything if you change the value
* of IWMAX_BSS=24. */
rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
bsslist = r.ptr;
/* ok now, scan the list and translate its info */
for (i = 0; i < (int) bsslist->nr; i++) {
current_ev = prism54_translate_bss(ndev, current_ev,
extra + dwrq->length,
&(bsslist->bsslist[i]),
noise);
/* Check if there is space for one more entry */
if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
/* Ask user space to try again with a bigger buffer */
rvalue = -E2BIG;
break;
}
}
kfree(bsslist);
dwrq->length = (current_ev - extra);
dwrq->flags = 0; /* todo */
return rvalue;
}
static int
prism54_set_essid(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct obj_ssid essid;
memset(essid.octets, 0, 33);
/* Check if we were asked for `any' */
if (dwrq->flags && dwrq->length) {
if (dwrq->length > min(33, IW_ESSID_MAX_SIZE + 1))
return -E2BIG;
essid.length = dwrq->length - 1;
memcpy(essid.octets, extra, dwrq->length);
} else
essid.length = 0;
if (priv->iw_mode != IW_MODE_MONITOR)
return mgt_set_request(priv, DOT11_OID_SSID, 0, &essid);
/* If in monitor mode, just save to mib */
mgt_set(priv, DOT11_OID_SSID, &essid);
return 0;
}
static int
prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct obj_ssid *essid;
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, DOT11_OID_SSID, 0, NULL, &r);
essid = r.ptr;
if (essid->length) {
dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
/* if it is too big, trunk it */
dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length);
} else {
dwrq->flags = 0;
dwrq->length = 0;
}
essid->octets[essid->length] = '\0';
memcpy(extra, essid->octets, dwrq->length);
kfree(essid);
return rvalue;
}
/* Provides no functionality, just completes the ioctl. In essence this is a
* just a cosmetic ioctl.
*/
static int
prism54_set_nick(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
if (dwrq->length > IW_ESSID_MAX_SIZE)
return -E2BIG;
down_write(&priv->mib_sem);
memset(priv->nickname, 0, sizeof (priv->nickname));
memcpy(priv->nickname, extra, dwrq->length);
up_write(&priv->mib_sem);
return 0;
}
static int
prism54_get_nick(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
dwrq->length = 0;
down_read(&priv->mib_sem);
dwrq->length = strlen(priv->nickname) + 1;
memcpy(extra, priv->nickname, dwrq->length);
up_read(&priv->mib_sem);
return 0;
}
/* Set the allowed Bitrates */
static int
prism54_set_rate(struct net_device *ndev,
struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 rate, profile;
char *data;
int ret, i;
union oid_res_t r;
if (vwrq->value == -1) {
/* auto mode. No limit. */
profile = 1;
return mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
}
ret = mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
if (ret) {
kfree(r.ptr);
return ret;
}
rate = (u32) (vwrq->value / 500000);
data = r.ptr;
i = 0;
while (data[i]) {
if (rate && (data[i] == rate)) {
break;
}
if (vwrq->value == i) {
break;
}
data[i] |= 0x80;
i++;
}
if (!data[i]) {
kfree(r.ptr);
return -EINVAL;
}
data[i] |= 0x80;
data[i + 1] = 0;
/* Now, check if we want a fixed or auto value */
if (vwrq->fixed) {
data[0] = data[i];
data[1] = 0;
}
/*
i = 0;
printk("prism54 rate: ");
while(data[i]) {
printk("%u ", data[i]);
i++;
}
printk("0\n");
*/
profile = -1;
ret = mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
ret |= mgt_set_request(priv, DOT11_OID_EXTENDEDRATES, 0, data);
ret |= mgt_set_request(priv, DOT11_OID_RATES, 0, data);
kfree(r.ptr);
return ret;
}
/* Get the current bit rate */
static int
prism54_get_rate(struct net_device *ndev,
struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
int rvalue;
char *data;
union oid_res_t r;
/* Get the current bit rate */
if ((rvalue = mgt_get_request(priv, GEN_OID_LINKSTATE, 0, NULL, &r)))
return rvalue;
vwrq->value = r.u * 500000;
/* request the device for the enabled rates */
rvalue = mgt_get_request(priv, DOT11_OID_RATES, 0, NULL, &r);
if (rvalue) {
kfree(r.ptr);
return rvalue;
}
data = r.ptr;
vwrq->fixed = (data[0] != 0) && (data[1] == 0);
kfree(r.ptr);
return 0;
}
static int
prism54_set_rts(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value);
}
static int
prism54_get_rts(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
/* get the rts threshold */
rvalue = mgt_get_request(priv, DOT11_OID_RTSTHRESH, 0, NULL, &r);
vwrq->value = r.u;
return rvalue;
}
static int
prism54_set_frag(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value);
}
static int
prism54_get_frag(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, DOT11_OID_FRAGTHRESH, 0, NULL, &r);
vwrq->value = r.u;
return rvalue;
}
/* Here we have (min,max) = max retries for (small frames, big frames). Where
* big frame <=> bigger than the rts threshold
* small frame <=> smaller than the rts threshold
* This is not really the behavior expected by the wireless tool but it seems
* to be a common behavior in other drivers.
*/
static int
prism54_set_retry(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 slimit = 0, llimit = 0; /* short and long limit */
u32 lifetime = 0;
int rvalue = 0;
if (vwrq->disabled)
/* we cannot disable this feature */
return -EINVAL;
if (vwrq->flags & IW_RETRY_LIMIT) {
if (vwrq->flags & IW_RETRY_MIN)
slimit = vwrq->value;
else if (vwrq->flags & IW_RETRY_MAX)
llimit = vwrq->value;
else {
/* we are asked to set both */
slimit = vwrq->value;
llimit = vwrq->value;
}
}
if (vwrq->flags & IW_RETRY_LIFETIME)
/* Wireless tools use us unit while the device uses 1024 us unit */
lifetime = vwrq->value / 1024;
/* now set what is requested */
if (slimit)
rvalue =
mgt_set_request(priv, DOT11_OID_SHORTRETRIES, 0, &slimit);
if (llimit)
rvalue |=
mgt_set_request(priv, DOT11_OID_LONGRETRIES, 0, &llimit);
if (lifetime)
rvalue |=
mgt_set_request(priv, DOT11_OID_MAXTXLIFETIME, 0,
&lifetime);
return rvalue;
}
static int
prism54_get_retry(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue = 0;
vwrq->disabled = 0; /* It cannot be disabled */
if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
/* we are asked for the life time */
rvalue =
mgt_get_request(priv, DOT11_OID_MAXTXLIFETIME, 0, NULL, &r);
vwrq->value = r.u * 1024;
vwrq->flags = IW_RETRY_LIFETIME;
} else if ((vwrq->flags & IW_RETRY_MAX)) {
/* we are asked for the long retry limit */
rvalue |=
mgt_get_request(priv, DOT11_OID_LONGRETRIES, 0, NULL, &r);
vwrq->value = r.u;
vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
} else {
/* default. get the short retry limit */
rvalue |=
mgt_get_request(priv, DOT11_OID_SHORTRETRIES, 0, NULL, &r);
vwrq->value = r.u;
vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
}
return rvalue;
}
static int
prism54_set_encode(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
int rvalue = 0, force = 0;
int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
union oid_res_t r;
/* with the new API, it's impossible to get a NULL pointer.
* New version of iwconfig set the IW_ENCODE_NOKEY flag
* when no key is given, but older versions don't. */
if (dwrq->length > 0) {
/* we have a key to set */
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
int current_index;
struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
/* get the current key index */
rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
current_index = r.u;
/* Verify that the key is not marked as invalid */
if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
key.length = dwrq->length > sizeof (key.key) ?
sizeof (key.key) : dwrq->length;
memcpy(key.key, extra, key.length);
if (key.length == 32)
/* we want WPA-PSK */
key.type = DOT11_PRIV_TKIP;
if ((index < 0) || (index > 3))
/* no index provided use the current one */
index = current_index;
/* now send the key to the card */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
&key);
}
/*
* If a valid key is set, encryption should be enabled
* (user may turn it off later).
* This is also how "iwconfig ethX key on" works
*/
if ((index == current_index) && (key.length > 0))
force = 1;
} else {
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
if ((index >= 0) && (index <= 3)) {
/* we want to set the key index */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
&index);
} else {
if (!dwrq->flags & IW_ENCODE_MODE) {
/* we cannot do anything. Complain. */
return -EINVAL;
}
}
}
/* now read the flags */
if (dwrq->flags & IW_ENCODE_DISABLED) {
/* Encoding disabled,
* authen = DOT11_AUTH_OS;
* invoke = 0;
* exunencrypt = 0; */
}
if (dwrq->flags & IW_ENCODE_OPEN)
/* Encode but accept non-encoded packets. No auth */
invoke = 1;
if ((dwrq->flags & IW_ENCODE_RESTRICTED) || force) {
/* Refuse non-encoded packets. Auth */
authen = DOT11_AUTH_BOTH;
invoke = 1;
exunencrypt = 1;
}
/* do the change if requested */
if ((dwrq->flags & IW_ENCODE_MODE) || force) {
rvalue |=
mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
rvalue |=
mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
rvalue |=
mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
&exunencrypt);
}
return rvalue;
}
static int
prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct obj_key *key;
u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
u32 authen = 0, invoke = 0, exunencrypt = 0;
int rvalue;
union oid_res_t r;
/* first get the flags */
rvalue = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
authen = r.u;
rvalue |= mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
invoke = r.u;
rvalue |= mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
exunencrypt = r.u;
if (invoke && (authen == DOT11_AUTH_BOTH) && exunencrypt)
dwrq->flags = IW_ENCODE_RESTRICTED;
else if ((authen == DOT11_AUTH_OS) && !exunencrypt) {
if (invoke)
dwrq->flags = IW_ENCODE_OPEN;
else
dwrq->flags = IW_ENCODE_DISABLED;
} else
/* The card should not work in this state */
dwrq->flags = 0;
/* get the current device key index */
rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
devindex = r.u;
/* Now get the key, return it */
if ((index < 0) || (index > 3))
/* no index provided, use the current one */
index = devindex;
rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);
key = r.ptr;
dwrq->length = key->length;
memcpy(extra, key->key, dwrq->length);
kfree(key);
/* return the used key index */
dwrq->flags |= devindex + 1;
return rvalue;
}
static int
prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
union oid_res_t r;
int rvalue;
rvalue = mgt_get_request(priv, OID_INL_OUTPUTPOWER, 0, NULL, &r);
/* intersil firmware operates in 0.25 dBm (1/4 dBm) */
vwrq->value = (s32) r.u / 4;
vwrq->fixed = 1;
/* radio is not turned of
* btw: how is possible to turn off only the radio
*/
vwrq->disabled = 0;
return rvalue;
}
static int
prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
s32 u = vwrq->value;
/* intersil firmware operates in 0.25 dBm (1/4) */
u *= 4;
if (vwrq->disabled) {
/* don't know how to disable radio */
printk(KERN_DEBUG
"%s: %s() disabling radio is not yet supported.\n",
priv->ndev->name, __FUNCTION__);
return -ENOTSUPP;
} else if (vwrq->fixed)
/* currently only fixed value is supported */
return mgt_set_request(priv, OID_INL_OUTPUTPOWER, 0, &u);
else {
printk(KERN_DEBUG
"%s: %s() auto power will be implemented later.\n",
priv->ndev->name, __FUNCTION__);
return -ENOTSUPP;
}
}
static int
prism54_reset(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_reset(netdev_priv(ndev), 0);
return 0;
}
static int
prism54_get_oid(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
union oid_res_t r;
int rvalue;
enum oid_num_t n = dwrq->flags;
rvalue = mgt_get_request((islpci_private *) ndev->priv, n, 0, NULL, &r);
dwrq->length = mgt_response_to_str(n, &r, extra);
if ((isl_oid[n].flags & OID_FLAG_TYPE) != OID_TYPE_U32)
kfree(r.ptr);
return rvalue;
}
static int
prism54_set_u32(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
u32 oid = uwrq[0], u = uwrq[1];
return mgt_set_request((islpci_private *) ndev->priv, oid, 0, &u);
}
static int
prism54_set_raw(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
u32 oid = dwrq->flags;
return mgt_set_request((islpci_private *) ndev->priv, oid, 0, extra);
}
void
prism54_acl_init(struct islpci_acl *acl)
{
sema_init(&acl->sem, 1);
INIT_LIST_HEAD(&acl->mac_list);
acl->size = 0;
acl->policy = MAC_POLICY_OPEN;
}
static void
prism54_clear_mac(struct islpci_acl *acl)
{
struct list_head *ptr, *next;
struct mac_entry *entry;
if (down_interruptible(&acl->sem))
return;
if (acl->size == 0) {
up(&acl->sem);
return;
}
for (ptr = acl->mac_list.next, next = ptr->next;
ptr != &acl->mac_list; ptr = next, next = ptr->next) {
entry = list_entry(ptr, struct mac_entry, _list);
list_del(ptr);
kfree(entry);
}
acl->size = 0;
up(&acl->sem);
}
void
prism54_acl_clean(struct islpci_acl *acl)
{
prism54_clear_mac(acl);
}
static int
prism54_add_mac(struct net_device *ndev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_acl *acl = &priv->acl;
struct mac_entry *entry;
struct sockaddr *addr = (struct sockaddr *) extra;
if (addr->sa_family != ARPHRD_ETHER)
return -EOPNOTSUPP;
entry = kmalloc(sizeof (struct mac_entry), GFP_KERNEL);
if (entry == NULL)
return -ENOMEM;
memcpy(entry->addr, addr->sa_data, ETH_ALEN);
if (down_interruptible(&acl->sem)) {
kfree(entry);
return -ERESTARTSYS;
}
list_add_tail(&entry->_list, &acl->mac_list);
acl->size++;
up(&acl->sem);
return 0;
}
static int
prism54_del_mac(struct net_device *ndev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_acl *acl = &priv->acl;
struct mac_entry *entry;
struct list_head *ptr;
struct sockaddr *addr = (struct sockaddr *) extra;
if (addr->sa_family != ARPHRD_ETHER)
return -EOPNOTSUPP;
if (down_interruptible(&acl->sem))
return -ERESTARTSYS;
for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
entry = list_entry(ptr, struct mac_entry, _list);
if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) {
list_del(ptr);
acl->size--;
kfree(entry);
up(&acl->sem);
return 0;
}
}
up(&acl->sem);
return -EINVAL;
}
static int
prism54_get_mac(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_acl *acl = &priv->acl;
struct mac_entry *entry;
struct list_head *ptr;
struct sockaddr *dst = (struct sockaddr *) extra;
dwrq->length = 0;
if (down_interruptible(&acl->sem))
return -ERESTARTSYS;
for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
entry = list_entry(ptr, struct mac_entry, _list);
memcpy(dst->sa_data, entry->addr, ETH_ALEN);
dst->sa_family = ARPHRD_ETHER;
dwrq->length++;
dst++;
}
up(&acl->sem);
return 0;
}
/* Setting policy also clears the MAC acl, even if we don't change the defaut
* policy
*/
static int
prism54_set_policy(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_acl *acl = &priv->acl;
u32 mlmeautolevel;
prism54_clear_mac(acl);
if ((*uwrq < MAC_POLICY_OPEN) || (*uwrq > MAC_POLICY_REJECT))
return -EINVAL;
down_write(&priv->mib_sem);
acl->policy = *uwrq;
/* the ACL code needs an intermediate mlmeautolevel */
if ((priv->iw_mode == IW_MODE_MASTER) &&
(acl->policy != MAC_POLICY_OPEN))
mlmeautolevel = DOT11_MLME_INTERMEDIATE;
else
mlmeautolevel = CARD_DEFAULT_MLME_MODE;
if (priv->wpa)
mlmeautolevel = DOT11_MLME_EXTENDED;
mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
/* restart the card with our new policy */
if (mgt_commit(priv)) {
up_write(&priv->mib_sem);
return -EIO;
}
up_write(&priv->mib_sem);
return 0;
}
static int
prism54_get_policy(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_acl *acl = &priv->acl;
*uwrq = acl->policy;
return 0;
}
/* Return 1 only if client should be accepted. */
static int
prism54_mac_accept(struct islpci_acl *acl, char *mac)
{
struct list_head *ptr;
struct mac_entry *entry;
int res = 0;
if (down_interruptible(&acl->sem))
return -ERESTARTSYS;
if (acl->policy == MAC_POLICY_OPEN) {
up(&acl->sem);
return 1;
}
for (ptr = acl->mac_list.next; ptr != &acl->mac_list; ptr = ptr->next) {
entry = list_entry(ptr, struct mac_entry, _list);
if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
res = 1;
break;
}
}
res = (acl->policy == MAC_POLICY_ACCEPT) ? !res : res;
up(&acl->sem);
return res;
}
static int
prism54_kick_all(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
struct obj_mlme *mlme;
int rvalue;
mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
if (mlme == NULL)
return -ENOMEM;
/* Tell the card to kick every client */
mlme->id = 0;
rvalue =
mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
kfree(mlme);
return rvalue;
}
static int
prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
struct obj_mlme *mlme;
struct sockaddr *addr = (struct sockaddr *) extra;
int rvalue;
if (addr->sa_family != ARPHRD_ETHER)
return -EOPNOTSUPP;
mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
if (mlme == NULL)
return -ENOMEM;
/* Tell the card to only kick the corresponding bastard */
memcpy(mlme->address, addr->sa_data, ETH_ALEN);
mlme->id = -1;
rvalue =
mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
kfree(mlme);
return rvalue;
}
/* Translate a TRAP oid into a wireless event. Called in islpci_mgt_receive. */
static void
format_event(islpci_private *priv, char *dest, const char *str,
const struct obj_mlme *mlme, u16 *length, int error)
{
const u8 *a = mlme->address;
int n = snprintf(dest, IW_CUSTOM_MAX,
"%s %s %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X %s (%2.2X)",
str,
((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"),
a[0], a[1], a[2], a[3], a[4], a[5],
(error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ")
: ""), mlme->code);
BUG_ON(n > IW_CUSTOM_MAX);
*length = n;
}
static void
send_formatted_event(islpci_private *priv, const char *str,
const struct obj_mlme *mlme, int error)
{
union iwreq_data wrqu;
char *memptr;
memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
if (!memptr)
return;
wrqu.data.pointer = memptr;
wrqu.data.length = 0;
format_event(priv, memptr, str, mlme, &wrqu.data.length,
error);
wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
kfree(memptr);
}
static void
send_simple_event(islpci_private *priv, const char *str)
{
union iwreq_data wrqu;
char *memptr;
int n = strlen(str);
memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
if (!memptr)
return;
BUG_ON(n > IW_CUSTOM_MAX);
wrqu.data.pointer = memptr;
wrqu.data.length = n;
strcpy(memptr, str);
wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
kfree(memptr);
}
static void
link_changed(struct net_device *ndev, u32 bitrate)
{
islpci_private *priv = netdev_priv(ndev);
if (bitrate) {
if (priv->iw_mode == IW_MODE_INFRA) {
union iwreq_data uwrq;
prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq,
NULL);
wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL);
} else
send_simple_event(netdev_priv(ndev),
"Link established");
} else
send_simple_event(netdev_priv(ndev), "Link lost");
}
/* Beacon/ProbeResp payload header */
struct ieee80211_beacon_phdr {
u8 timestamp[8];
u16 beacon_int;
u16 capab_info;
} __attribute__ ((packed));
#define WLAN_EID_GENERIC 0xdd
static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 };
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
static void
prism54_wpa_ie_add(islpci_private *priv, u8 *bssid,
u8 *wpa_ie, size_t wpa_ie_len)
{
struct list_head *ptr;
struct islpci_bss_wpa_ie *bss = NULL;
if (wpa_ie_len > MAX_WPA_IE_LEN)
wpa_ie_len = MAX_WPA_IE_LEN;
if (down_interruptible(&priv->wpa_sem))
return;
/* try to use existing entry */
list_for_each(ptr, &priv->bss_wpa_list) {
bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
list_move(&bss->list, &priv->bss_wpa_list);
break;
}
bss = NULL;
}
if (bss == NULL) {
/* add a new BSS entry; if max number of entries is already
* reached, replace the least recently updated */
if (priv->num_bss_wpa >= MAX_BSS_WPA_IE_COUNT) {
bss = list_entry(priv->bss_wpa_list.prev,
struct islpci_bss_wpa_ie, list);
list_del(&bss->list);
} else {
bss = kmalloc(sizeof (*bss), GFP_ATOMIC);
if (bss != NULL) {
priv->num_bss_wpa++;
memset(bss, 0, sizeof (*bss));
}
}
if (bss != NULL) {
memcpy(bss->bssid, bssid, ETH_ALEN);
list_add(&bss->list, &priv->bss_wpa_list);
}
}
if (bss != NULL) {
memcpy(bss->wpa_ie, wpa_ie, wpa_ie_len);
bss->wpa_ie_len = wpa_ie_len;
bss->last_update = jiffies;
} else {
printk(KERN_DEBUG "Failed to add BSS WPA entry for " MACSTR
"\n", MAC2STR(bssid));
}
/* expire old entries from WPA list */
while (priv->num_bss_wpa > 0) {
bss = list_entry(priv->bss_wpa_list.prev,
struct islpci_bss_wpa_ie, list);
if (!time_after(jiffies, bss->last_update + 60 * HZ))
break;
list_del(&bss->list);
priv->num_bss_wpa--;
kfree(bss);
}
up(&priv->wpa_sem);
}
static size_t
prism54_wpa_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
{
struct list_head *ptr;
struct islpci_bss_wpa_ie *bss = NULL;
size_t len = 0;
if (down_interruptible(&priv->wpa_sem))
return 0;
list_for_each(ptr, &priv->bss_wpa_list) {
bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
break;
bss = NULL;
}
if (bss) {
len = bss->wpa_ie_len;
memcpy(wpa_ie, bss->wpa_ie, len);
}
up(&priv->wpa_sem);
return len;
}
void
prism54_wpa_ie_init(islpci_private *priv)
{
INIT_LIST_HEAD(&priv->bss_wpa_list);
sema_init(&priv->wpa_sem, 1);
}
void
prism54_wpa_ie_clean(islpci_private *priv)
{
struct list_head *ptr, *n;
list_for_each_safe(ptr, n, &priv->bss_wpa_list) {
struct islpci_bss_wpa_ie *bss;
bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
kfree(bss);
}
}
static void
prism54_process_bss_data(islpci_private *priv, u32 oid, u8 *addr,
u8 *payload, size_t len)
{
struct ieee80211_beacon_phdr *hdr;
u8 *pos, *end;
if (!priv->wpa)
return;
hdr = (struct ieee80211_beacon_phdr *) payload;
pos = (u8 *) (hdr + 1);
end = payload + len;
while (pos < end) {
if (pos + 2 + pos[1] > end) {
printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed "
"for " MACSTR "\n", MAC2STR(addr));
return;
}
if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 &&
memcmp(pos + 2, wpa_oid, 4) == 0) {
prism54_wpa_ie_add(priv, addr, pos, pos[1] + 2);
return;
}
pos += 2 + pos[1];
}
}
static void
handle_request(islpci_private *priv, struct obj_mlme *mlme, enum oid_num_t oid)
{
if (((mlme->state == DOT11_STATE_AUTHING) ||
(mlme->state == DOT11_STATE_ASSOCING))
&& mgt_mlme_answer(priv)) {
/* Someone is requesting auth and we must respond. Just send back
* the trap with error code set accordingly.
*/
mlme->code = prism54_mac_accept(&priv->acl,
mlme->address) ? 0 : 1;
mgt_set_request(priv, oid, 0, mlme);
}
}
static int
prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid,
char *data)
{
struct obj_mlme *mlme = (struct obj_mlme *) data;
struct obj_mlmeex *mlmeex = (struct obj_mlmeex *) data;
struct obj_mlmeex *confirm;
u8 wpa_ie[MAX_WPA_IE_LEN];
int wpa_ie_len;
size_t len = 0; /* u16, better? */
u8 *payload = NULL, *pos = NULL;
int ret;
/* I think all trapable objects are listed here.
* Some oids have a EX version. The difference is that they are emitted
* in DOT11_MLME_EXTENDED mode (set with DOT11_OID_MLMEAUTOLEVEL)
* with more info.
* The few events already defined by the wireless tools are not really
* suited. We use the more flexible custom event facility.
*/
if (oid >= DOT11_OID_BEACON) {
len = mlmeex->size;
payload = pos = mlmeex->data;
}
/* I fear prism54_process_bss_data won't work with big endian data */
if ((oid == DOT11_OID_BEACON) || (oid == DOT11_OID_PROBE))
prism54_process_bss_data(priv, oid, mlmeex->address,
payload, len);
mgt_le_to_cpu(isl_oid[oid].flags & OID_FLAG_TYPE, (void *) mlme);
switch (oid) {
case GEN_OID_LINKSTATE:
link_changed(priv->ndev, (u32) *data);
break;
case DOT11_OID_MICFAILURE:
send_simple_event(priv, "Mic failure");
break;
case DOT11_OID_DEAUTHENTICATE:
send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
break;
case DOT11_OID_AUTHENTICATE:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "Authenticate request", mlme, 1);
break;
case DOT11_OID_DISASSOCIATE:
send_formatted_event(priv, "Disassociate request", mlme, 0);
break;
case DOT11_OID_ASSOCIATE:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "Associate request", mlme, 1);
break;
case DOT11_OID_REASSOCIATE:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "ReAssociate request", mlme, 1);
break;
case DOT11_OID_BEACON:
send_formatted_event(priv,
"Received a beacon from an unkown AP",
mlme, 0);
break;
case DOT11_OID_PROBE:
/* we received a probe from a client. */
send_formatted_event(priv, "Received a probe from client", mlme,
0);
break;
/* Note : "mlme" is actually a "struct obj_mlmeex *" here, but this
* is backward compatible layout-wise with "struct obj_mlme".
*/
case DOT11_OID_DEAUTHENTICATEEX:
send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
break;
case DOT11_OID_AUTHENTICATEEX:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "Authenticate request (ex)", mlme, 1);
if (priv->iw_mode != IW_MODE_MASTER
&& mlmeex->state != DOT11_STATE_AUTHING)
break;
confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC);
if (!confirm)
break;
memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
mlmeex->address[0],
mlmeex->address[1],
mlmeex->address[2],
mlmeex->address[3],
mlmeex->address[4],
mlmeex->address[5]
);
confirm->id = -1; /* or mlmeex->id ? */
confirm->state = 0; /* not used */
confirm->code = 0;
confirm->size = 6;
confirm->data[0] = 0x00;
confirm->data[1] = 0x00;
confirm->data[2] = 0x02;
confirm->data[3] = 0x00;
confirm->data[4] = 0x00;
confirm->data[5] = 0x00;
ret = mgt_set_varlen(priv, DOT11_OID_ASSOCIATEEX, confirm, 6);
kfree(confirm);
if (ret)
return ret;
break;
case DOT11_OID_DISASSOCIATEEX:
send_formatted_event(priv, "Disassociate request (ex)", mlme, 0);
break;
case DOT11_OID_ASSOCIATEEX:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "Associate request (ex)", mlme, 1);
if (priv->iw_mode != IW_MODE_MASTER
&& mlmeex->state != DOT11_STATE_AUTHING)
break;
confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
if (!confirm)
break;
memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
confirm->id = ((struct obj_mlmeex *)mlme)->id;
confirm->state = 0; /* not used */
confirm->code = 0;
wpa_ie_len = prism54_wpa_ie_get(priv, mlmeex->address, wpa_ie);
if (!wpa_ie_len) {
printk(KERN_DEBUG "No WPA IE found from "
"address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
mlmeex->address[0],
mlmeex->address[1],
mlmeex->address[2],
mlmeex->address[3],
mlmeex->address[4],
mlmeex->address[5]
);
kfree(confirm);
break;
}
confirm->size = wpa_ie_len;
memcpy(&confirm->data, wpa_ie, wpa_ie_len);
mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
kfree(confirm);
break;
case DOT11_OID_REASSOCIATEEX:
handle_request(priv, mlme, oid);
send_formatted_event(priv, "Reassociate request (ex)", mlme, 1);
if (priv->iw_mode != IW_MODE_MASTER
&& mlmeex->state != DOT11_STATE_ASSOCING)
break;
confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
if (!confirm)
break;
memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
confirm->id = mlmeex->id;
confirm->state = 0; /* not used */
confirm->code = 0;
wpa_ie_len = prism54_wpa_ie_get(priv, mlmeex->address, wpa_ie);
if (!wpa_ie_len) {
printk(KERN_DEBUG "No WPA IE found from "
"address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
mlmeex->address[0],
mlmeex->address[1],
mlmeex->address[2],
mlmeex->address[3],
mlmeex->address[4],
mlmeex->address[5]
);
kfree(confirm);
break;
}
confirm->size = wpa_ie_len;
memcpy(&confirm->data, wpa_ie, wpa_ie_len);
mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
kfree(confirm);
break;
default:
return -EINVAL;
}
return 0;
}
/*
* Process a device trap. This is called via schedule_work(), outside of
* interrupt context, no locks held.
*/
void
prism54_process_trap(void *data)
{
struct islpci_mgmtframe *frame = data;
struct net_device *ndev = frame->ndev;
enum oid_num_t n = mgt_oidtonum(frame->header->oid);
if (n != OID_NUM_LAST)
prism54_process_trap_helper(netdev_priv(ndev), n, frame->data);
islpci_mgt_release(frame);
}
int
prism54_set_mac_address(struct net_device *ndev, void *addr)
{
islpci_private *priv = netdev_priv(ndev);
int ret;
if (ndev->addr_len != 6)
return -EINVAL;
ret = mgt_set_request(priv, GEN_OID_MACADDRESS, 0,
&((struct sockaddr *) addr)->sa_data);
if (!ret)
memcpy(priv->ndev->dev_addr,
&((struct sockaddr *) addr)->sa_data, 6);
return ret;
}
/* Note: currently, use hostapd ioctl from the Host AP driver for WPA
* support. This is to be replaced with Linux wireless extensions once they
* get WPA support. */
/* Note II: please leave all this together as it will be easier to remove later,
* once wireless extensions add WPA support -mcgrof */
/* PRISM54_HOSTAPD ioctl() cmd: */
enum {
PRISM2_SET_ENCRYPTION = 6,
PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
PRISM2_HOSTAPD_MLME = 13,
PRISM2_HOSTAPD_SCAN_REQ = 14,
};
#define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
#define PRISM54_HOSTAPD SIOCIWFIRSTPRIV+25
#define PRISM54_DROP_UNENCRYPTED SIOCIWFIRSTPRIV+26
#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
((int) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))
/* Maximum length for algorithm names (-1 for nul termination)
* used in ioctl() */
#define HOSTAP_CRYPT_ALG_NAME_LEN 16
struct prism2_hostapd_param {
u32 cmd;
u8 sta_addr[ETH_ALEN];
union {
struct {
u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
u32 flags;
u32 err;
u8 idx;
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
u16 key_len;
u8 key[0];
} crypt;
struct {
u8 len;
u8 data[0];
} generic_elem;
struct {
#define MLME_STA_DEAUTH 0
#define MLME_STA_DISASSOC 1
u16 cmd;
u16 reason_code;
} mlme;
struct {
u8 ssid_len;
u8 ssid[32];
} scan_req;
} u;
};
static int
prism2_ioctl_set_encryption(struct net_device *dev,
struct prism2_hostapd_param *param,
int param_len)
{
islpci_private *priv = netdev_priv(dev);
int rvalue = 0, force = 0;
int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
union oid_res_t r;
/* with the new API, it's impossible to get a NULL pointer.
* New version of iwconfig set the IW_ENCODE_NOKEY flag
* when no key is given, but older versions don't. */
if (param->u.crypt.key_len > 0) {
/* we have a key to set */
int index = param->u.crypt.idx;
int current_index;
struct obj_key key = { DOT11_PRIV_TKIP, 0, "" };
/* get the current key index */
rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
current_index = r.u;
/* Verify that the key is not marked as invalid */
if (!(param->u.crypt.flags & IW_ENCODE_NOKEY)) {
key.length = param->u.crypt.key_len > sizeof (param->u.crypt.key) ?
sizeof (param->u.crypt.key) : param->u.crypt.key_len;
memcpy(key.key, param->u.crypt.key, key.length);
if (key.length == 32)
/* we want WPA-PSK */
key.type = DOT11_PRIV_TKIP;
if ((index < 0) || (index > 3))
/* no index provided use the current one */
index = current_index;
/* now send the key to the card */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
&key);
}
/*
* If a valid key is set, encryption should be enabled
* (user may turn it off later).
* This is also how "iwconfig ethX key on" works
*/
if ((index == current_index) && (key.length > 0))
force = 1;
} else {
int index = (param->u.crypt.flags & IW_ENCODE_INDEX) - 1;
if ((index >= 0) && (index <= 3)) {
/* we want to set the key index */
rvalue |=
mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
&index);
} else {
if (!param->u.crypt.flags & IW_ENCODE_MODE) {
/* we cannot do anything. Complain. */
return -EINVAL;
}
}
}
/* now read the flags */
if (param->u.crypt.flags & IW_ENCODE_DISABLED) {
/* Encoding disabled,
* authen = DOT11_AUTH_OS;
* invoke = 0;
* exunencrypt = 0; */
}
if (param->u.crypt.flags & IW_ENCODE_OPEN)
/* Encode but accept non-encoded packets. No auth */
invoke = 1;
if ((param->u.crypt.flags & IW_ENCODE_RESTRICTED) || force) {
/* Refuse non-encoded packets. Auth */
authen = DOT11_AUTH_BOTH;
invoke = 1;
exunencrypt = 1;
}
/* do the change if requested */
if ((param->u.crypt.flags & IW_ENCODE_MODE) || force) {
rvalue |=
mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
rvalue |=
mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
rvalue |=
mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
&exunencrypt);
}
return rvalue;
}
static int
prism2_ioctl_set_generic_element(struct net_device *ndev,
struct prism2_hostapd_param *param,
int param_len)
{
islpci_private *priv = netdev_priv(ndev);
int max_len, len, alen, ret=0;
struct obj_attachment *attach;
len = param->u.generic_elem.len;
max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
if (max_len < 0 || max_len < len)
return -EINVAL;
alen = sizeof(*attach) + len;
attach = kmalloc(alen, GFP_KERNEL);
if (attach == NULL)
return -ENOMEM;
memset(attach, 0, alen);
#define WLAN_FC_TYPE_MGMT 0
#define WLAN_FC_STYPE_ASSOC_REQ 0
#define WLAN_FC_STYPE_REASSOC_REQ 2
/* Note: endianness is covered by mgt_set_varlen */
attach->type = (WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_ASSOC_REQ << 4);
attach->id = -1;
attach->size = len;
memcpy(attach->data, param->u.generic_elem.data, len);
ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
if (ret == 0) {
attach->type = (WLAN_FC_TYPE_MGMT << 2) |
(WLAN_FC_STYPE_REASSOC_REQ << 4);
ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len);
if (ret == 0)
printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
ndev->name);
}
kfree(attach);
return ret;
}
static int
prism2_ioctl_mlme(struct net_device *dev, struct prism2_hostapd_param *param)
{
return -EOPNOTSUPP;
}
static int
prism2_ioctl_scan_req(struct net_device *ndev,
struct prism2_hostapd_param *param)
{
islpci_private *priv = netdev_priv(ndev);
int i, rvalue;
struct obj_bsslist *bsslist;
u32 noise = 0;
char *extra = "";
char *current_ev = "foo";
union oid_res_t r;
if (islpci_get_state(priv) < PRV_STATE_INIT) {
/* device is not ready, fail gently */
return 0;
}
/* first get the noise value. We will use it to report the link quality */
rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
noise = r.u;
/* Ask the device for a list of known bss. We can report at most
* IW_MAX_AP=64 to the range struct. But the device won't repport anything
* if you change the value of IWMAX_BSS=24.
*/
rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
bsslist = r.ptr;
/* ok now, scan the list and translate its info */
for (i = 0; i < min(IW_MAX_AP, (int) bsslist->nr); i++)
current_ev = prism54_translate_bss(ndev, current_ev,
extra + IW_SCAN_MAX_DATA,
&(bsslist->bsslist[i]),
noise);
kfree(bsslist);
return rvalue;
}
static int
prism54_hostapd(struct net_device *ndev, struct iw_point *p)
{
struct prism2_hostapd_param *param;
int ret = 0;
u32 uwrq;
printk(KERN_DEBUG "prism54_hostapd - len=%d\n", p->length);
if (p->length < sizeof(struct prism2_hostapd_param) ||
p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
return -EINVAL;
param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
if (param == NULL)
return -ENOMEM;
if (copy_from_user(param, p->pointer, p->length)) {
kfree(param);
return -EFAULT;
}
switch (param->cmd) {
case PRISM2_SET_ENCRYPTION:
printk(KERN_DEBUG "%s: Caught WPA supplicant set encryption request\n",
ndev->name);
ret = prism2_ioctl_set_encryption(ndev, param, p->length);
break;
case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
printk(KERN_DEBUG "%s: Caught WPA supplicant set WPA IE request\n",
ndev->name);
ret = prism2_ioctl_set_generic_element(ndev, param,
p->length);
break;
case PRISM2_HOSTAPD_MLME:
printk(KERN_DEBUG "%s: Caught WPA supplicant MLME request\n",
ndev->name);
ret = prism2_ioctl_mlme(ndev, param);
break;
case PRISM2_HOSTAPD_SCAN_REQ:
printk(KERN_DEBUG "%s: Caught WPA supplicant scan request\n",
ndev->name);
ret = prism2_ioctl_scan_req(ndev, param);
break;
case PRISM54_SET_WPA:
printk(KERN_DEBUG "%s: Caught WPA supplicant wpa init request\n",
ndev->name);
uwrq = 1;
ret = prism54_set_wpa(ndev, NULL, &uwrq, NULL);
break;
case PRISM54_DROP_UNENCRYPTED:
printk(KERN_DEBUG "%s: Caught WPA drop unencrypted request\n",
ndev->name);
#if 0
uwrq = 0x01;
mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &uwrq);
down_write(&priv->mib_sem);
mgt_commit(priv);
up_write(&priv->mib_sem);
#endif
/* Not necessary, as set_wpa does it, should we just do it here though? */
ret = 0;
break;
default:
printk(KERN_DEBUG "%s: Caught a WPA supplicant request that is not supported\n",
ndev->name);
ret = -EOPNOTSUPP;
break;
}
if (ret == 0 && copy_to_user(p->pointer, param, p->length))
ret = -EFAULT;
kfree(param);
return ret;
}
static int
prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 mlme, authen, dot1x, filter, wep;
if (islpci_get_state(priv) < PRV_STATE_INIT)
return 0;
wep = 1; /* For privacy invoked */
filter = 1; /* Filter out all unencrypted frames */
dot1x = 0x01; /* To enable eap filter */
mlme = DOT11_MLME_EXTENDED;
authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
down_write(&priv->mib_sem);
priv->wpa = *uwrq;
switch (priv->wpa) {
default:
case 0: /* Clears/disables WPA and friends */
wep = 0;
filter = 0; /* Do not filter un-encrypted data */
dot1x = 0;
mlme = DOT11_MLME_AUTO;
printk("%s: Disabling WPA\n", ndev->name);
break;
case 2:
case 1: /* WPA */
printk("%s: Enabling WPA\n", ndev->name);
break;
}
up_write(&priv->mib_sem);
mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &wep);
mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &filter);
mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlme);
return 0;
}
static int
prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
*uwrq = priv->wpa;
return 0;
}
static int
prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
priv->monitor_type =
(*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211);
if (priv->iw_mode == IW_MODE_MONITOR)
priv->ndev->type = priv->monitor_type;
return 0;
}
static int
prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
*uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM);
return 0;
}
static int
prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info,
__u32 * uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
priv->priv_oid = *uwrq;
printk("%s: oid 0x%08X\n", ndev->name, *uwrq);
return 0;
}
static int
prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *data, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_mgmtframe *response;
int ret = -EIO;
printk("%s: get_oid 0x%08X\n", ndev->name, priv->priv_oid);
data->length = 0;
if (islpci_get_state(priv) >= PRV_STATE_INIT) {
ret =
islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
priv->priv_oid, extra, 256,
&response);
printk("%s: ret: %i\n", ndev->name, ret);
if (ret || !response
|| response->header->operation == PIMFOR_OP_ERROR) {
if (response) {
islpci_mgt_release(response);
}
printk("%s: EIO\n", ndev->name);
ret = -EIO;
}
if (!ret) {
data->length = response->header->length;
memcpy(extra, response->data, data->length);
islpci_mgt_release(response);
printk("%s: len: %i\n", ndev->name, data->length);
}
}
return ret;
}
static int
prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info,
struct iw_point *data, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
struct islpci_mgmtframe *response;
int ret = 0, response_op = PIMFOR_OP_ERROR;
printk("%s: set_oid 0x%08X\tlen: %d\n", ndev->name, priv->priv_oid,
data->length);
if (islpci_get_state(priv) >= PRV_STATE_INIT) {
ret =
islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
priv->priv_oid, extra, data->length,
&response);
printk("%s: ret: %i\n", ndev->name, ret);
if (ret || !response
|| response->header->operation == PIMFOR_OP_ERROR) {
if (response) {
islpci_mgt_release(response);
}
printk("%s: EIO\n", ndev->name);
ret = -EIO;
}
if (!ret) {
response_op = response->header->operation;
printk("%s: response_op: %i\n", ndev->name,
response_op);
islpci_mgt_release(response);
}
}
return (ret ? ret : -EINPROGRESS);
}
static int
prism54_set_spy(struct net_device *ndev,
struct iw_request_info *info,
union iwreq_data *uwrq, char *extra)
{
islpci_private *priv = netdev_priv(ndev);
u32 u, oid = OID_INL_CONFIG;
down_write(&priv->mib_sem);
mgt_get(priv, OID_INL_CONFIG, &u);
if ((uwrq->data.length == 0) && (priv->spy_data.spy_number > 0))
/* disable spy */
u &= ~INL_CONFIG_RXANNEX;
else if ((uwrq->data.length > 0) && (priv->spy_data.spy_number == 0))
/* enable spy */
u |= INL_CONFIG_RXANNEX;
mgt_set(priv, OID_INL_CONFIG, &u);
mgt_commit_list(priv, &oid, 1);
up_write(&priv->mib_sem);
return iw_handler_set_spy(ndev, info, uwrq, extra);
}
static const iw_handler prism54_handler[] = {
(iw_handler) prism54_commit, /* SIOCSIWCOMMIT */
(iw_handler) prism54_get_name, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) prism54_set_freq, /* SIOCSIWFREQ */
(iw_handler) prism54_get_freq, /* SIOCGIWFREQ */
(iw_handler) prism54_set_mode, /* SIOCSIWMODE */
(iw_handler) prism54_get_mode, /* SIOCGIWMODE */
(iw_handler) prism54_set_sens, /* SIOCSIWSENS */
(iw_handler) prism54_get_sens, /* SIOCGIWSENS */
(iw_handler) NULL, /* SIOCSIWRANGE */
(iw_handler) prism54_get_range, /* SIOCGIWRANGE */
(iw_handler) NULL, /* SIOCSIWPRIV */
(iw_handler) NULL, /* SIOCGIWPRIV */
(iw_handler) NULL, /* SIOCSIWSTATS */
(iw_handler) NULL, /* SIOCGIWSTATS */
prism54_set_spy, /* SIOCSIWSPY */
iw_handler_get_spy, /* SIOCGIWSPY */
iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
(iw_handler) prism54_set_wap, /* SIOCSIWAP */
(iw_handler) prism54_get_wap, /* SIOCGIWAP */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* SIOCGIWAPLIST depreciated */
(iw_handler) prism54_set_scan, /* SIOCSIWSCAN */
(iw_handler) prism54_get_scan, /* SIOCGIWSCAN */
(iw_handler) prism54_set_essid, /* SIOCSIWESSID */
(iw_handler) prism54_get_essid, /* SIOCGIWESSID */
(iw_handler) prism54_set_nick, /* SIOCSIWNICKN */
(iw_handler) prism54_get_nick, /* SIOCGIWNICKN */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) prism54_set_rate, /* SIOCSIWRATE */
(iw_handler) prism54_get_rate, /* SIOCGIWRATE */
(iw_handler) prism54_set_rts, /* SIOCSIWRTS */
(iw_handler) prism54_get_rts, /* SIOCGIWRTS */
(iw_handler) prism54_set_frag, /* SIOCSIWFRAG */
(iw_handler) prism54_get_frag, /* SIOCGIWFRAG */
(iw_handler) prism54_set_txpower, /* SIOCSIWTXPOW */
(iw_handler) prism54_get_txpower, /* SIOCGIWTXPOW */
(iw_handler) prism54_set_retry, /* SIOCSIWRETRY */
(iw_handler) prism54_get_retry, /* SIOCGIWRETRY */
(iw_handler) prism54_set_encode, /* SIOCSIWENCODE */
(iw_handler) prism54_get_encode, /* SIOCGIWENCODE */
(iw_handler) NULL, /* SIOCSIWPOWER */
(iw_handler) NULL, /* SIOCGIWPOWER */
};
/* The low order bit identify a SET (0) or a GET (1) ioctl. */
#define PRISM54_RESET SIOCIWFIRSTPRIV
#define PRISM54_GET_POLICY SIOCIWFIRSTPRIV+1
#define PRISM54_SET_POLICY SIOCIWFIRSTPRIV+2
#define PRISM54_GET_MAC SIOCIWFIRSTPRIV+3
#define PRISM54_ADD_MAC SIOCIWFIRSTPRIV+4
#define PRISM54_DEL_MAC SIOCIWFIRSTPRIV+6
#define PRISM54_KICK_MAC SIOCIWFIRSTPRIV+8
#define PRISM54_KICK_ALL SIOCIWFIRSTPRIV+10
#define PRISM54_GET_WPA SIOCIWFIRSTPRIV+11
#define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12
#define PRISM54_DBG_OID SIOCIWFIRSTPRIV+14
#define PRISM54_DBG_GET_OID SIOCIWFIRSTPRIV+15
#define PRISM54_DBG_SET_OID SIOCIWFIRSTPRIV+16
#define PRISM54_GET_OID SIOCIWFIRSTPRIV+17
#define PRISM54_SET_OID_U32 SIOCIWFIRSTPRIV+18
#define PRISM54_SET_OID_STR SIOCIWFIRSTPRIV+20
#define PRISM54_SET_OID_ADDR SIOCIWFIRSTPRIV+22
#define PRISM54_GET_PRISMHDR SIOCIWFIRSTPRIV+23
#define PRISM54_SET_PRISMHDR SIOCIWFIRSTPRIV+24
#define IWPRIV_SET_U32(n,x) { n, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
#define IWPRIV_SET_SSID(n,x) { n, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
#define IWPRIV_SET_ADDR(n,x) { n, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
#define IWPRIV_GET(n,x) { n, 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, "g_"x }
#define IWPRIV_U32(n,x) IWPRIV_SET_U32(n,x), IWPRIV_GET(n,x)
#define IWPRIV_SSID(n,x) IWPRIV_SET_SSID(n,x), IWPRIV_GET(n,x)
#define IWPRIV_ADDR(n,x) IWPRIV_SET_ADDR(n,x), IWPRIV_GET(n,x)
/* Note : limited to 128 private ioctls (wireless tools 26) */
static const struct iw_priv_args prism54_private_args[] = {
/*{ cmd, set_args, get_args, name } */
{PRISM54_RESET, 0, 0, "reset"},
{PRISM54_GET_PRISMHDR, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_prismhdr"},
{PRISM54_SET_PRISMHDR, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
"set_prismhdr"},
{PRISM54_GET_POLICY, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"getPolicy"},
{PRISM54_SET_POLICY, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
"setPolicy"},
{PRISM54_GET_MAC, 0, IW_PRIV_TYPE_ADDR | 64, "getMac"},
{PRISM54_ADD_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
"addMac"},
{PRISM54_DEL_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
"delMac"},
{PRISM54_KICK_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
"kickMac"},
{PRISM54_KICK_ALL, 0, 0, "kickAll"},
{PRISM54_GET_WPA, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_wpa"},
{PRISM54_SET_WPA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
"set_wpa"},
{PRISM54_DBG_OID, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
"dbg_oid"},
{PRISM54_DBG_GET_OID, 0, IW_PRIV_TYPE_BYTE | 256, "dbg_get_oid"},
{PRISM54_DBG_SET_OID, IW_PRIV_TYPE_BYTE | 256, 0, "dbg_set_oid"},
/* --- sub-ioctls handlers --- */
{PRISM54_GET_OID,
0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, ""},
{PRISM54_SET_OID_U32,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, ""},
{PRISM54_SET_OID_STR,
IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
{PRISM54_SET_OID_ADDR,
IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
/* --- sub-ioctls definitions --- */
IWPRIV_ADDR(GEN_OID_MACADDRESS, "addr"),
IWPRIV_GET(GEN_OID_LINKSTATE, "linkstate"),
IWPRIV_U32(DOT11_OID_BSSTYPE, "bsstype"),
IWPRIV_ADDR(DOT11_OID_BSSID, "bssid"),
IWPRIV_U32(DOT11_OID_STATE, "state"),
IWPRIV_U32(DOT11_OID_AID, "aid"),
IWPRIV_SSID(DOT11_OID_SSIDOVERRIDE, "ssidoverride"),
IWPRIV_U32(DOT11_OID_MEDIUMLIMIT, "medlimit"),
IWPRIV_U32(DOT11_OID_BEACONPERIOD, "beacon"),
IWPRIV_U32(DOT11_OID_DTIMPERIOD, "dtimperiod"),
IWPRIV_U32(DOT11_OID_AUTHENABLE, "authenable"),
IWPRIV_U32(DOT11_OID_PRIVACYINVOKED, "privinvok"),
IWPRIV_U32(DOT11_OID_EXUNENCRYPTED, "exunencrypt"),
IWPRIV_U32(DOT11_OID_REKEYTHRESHOLD, "rekeythresh"),
IWPRIV_U32(DOT11_OID_MAXTXLIFETIME, "maxtxlife"),
IWPRIV_U32(DOT11_OID_MAXRXLIFETIME, "maxrxlife"),
IWPRIV_U32(DOT11_OID_ALOFT_FIXEDRATE, "fixedrate"),
IWPRIV_U32(DOT11_OID_MAXFRAMEBURST, "frameburst"),
IWPRIV_U32(DOT11_OID_PSM, "psm"),
IWPRIV_U32(DOT11_OID_BRIDGELOCAL, "bridge"),
IWPRIV_U32(DOT11_OID_CLIENTS, "clients"),
IWPRIV_U32(DOT11_OID_CLIENTSASSOCIATED, "clientassoc"),
IWPRIV_U32(DOT11_OID_DOT1XENABLE, "dot1xenable"),
IWPRIV_U32(DOT11_OID_ANTENNARX, "rxant"),
IWPRIV_U32(DOT11_OID_ANTENNATX, "txant"),
IWPRIV_U32(DOT11_OID_ANTENNADIVERSITY, "antdivers"),
IWPRIV_U32(DOT11_OID_EDTHRESHOLD, "edthresh"),
IWPRIV_U32(DOT11_OID_PREAMBLESETTINGS, "preamble"),
IWPRIV_GET(DOT11_OID_RATES, "rates"),
IWPRIV_U32(DOT11_OID_OUTPUTPOWER, ".11outpower"),
IWPRIV_GET(DOT11_OID_SUPPORTEDRATES, "supprates"),
IWPRIV_GET(DOT11_OID_SUPPORTEDFREQUENCIES, "suppfreq"),
IWPRIV_U32(DOT11_OID_NOISEFLOOR, "noisefloor"),
IWPRIV_GET(DOT11_OID_FREQUENCYACTIVITY, "freqactivity"),
IWPRIV_U32(DOT11_OID_NONERPPROTECTION, "nonerpprotec"),
IWPRIV_U32(DOT11_OID_PROFILES, "profile"),
IWPRIV_GET(DOT11_OID_EXTENDEDRATES, "extrates"),
IWPRIV_U32(DOT11_OID_MLMEAUTOLEVEL, "mlmelevel"),
IWPRIV_GET(DOT11_OID_BSSS, "bsss"),
IWPRIV_GET(DOT11_OID_BSSLIST, "bsslist"),
IWPRIV_U32(OID_INL_MODE, "mode"),
IWPRIV_U32(OID_INL_CONFIG, "config"),
IWPRIV_U32(OID_INL_DOT11D_CONFORMANCE, ".11dconform"),
IWPRIV_GET(OID_INL_PHYCAPABILITIES, "phycapa"),
IWPRIV_U32(OID_INL_OUTPUTPOWER, "outpower"),
};
static const iw_handler prism54_private_handler[] = {
(iw_handler) prism54_reset,
(iw_handler) prism54_get_policy,
(iw_handler) prism54_set_policy,
(iw_handler) prism54_get_mac,
(iw_handler) prism54_add_mac,
(iw_handler) NULL,
(iw_handler) prism54_del_mac,
(iw_handler) NULL,
(iw_handler) prism54_kick_mac,
(iw_handler) NULL,
(iw_handler) prism54_kick_all,
(iw_handler) prism54_get_wpa,
(iw_handler) prism54_set_wpa,
(iw_handler) NULL,
(iw_handler) prism54_debug_oid,
(iw_handler) prism54_debug_get_oid,
(iw_handler) prism54_debug_set_oid,
(iw_handler) prism54_get_oid,
(iw_handler) prism54_set_u32,
(iw_handler) NULL,
(iw_handler) prism54_set_raw,
(iw_handler) NULL,
(iw_handler) prism54_set_raw,
(iw_handler) prism54_get_prismhdr,
(iw_handler) prism54_set_prismhdr,
};
const struct iw_handler_def prism54_handler_def = {
.num_standard = sizeof (prism54_handler) / sizeof (iw_handler),
.num_private = sizeof (prism54_private_handler) / sizeof (iw_handler),
.num_private_args =
sizeof (prism54_private_args) / sizeof (struct iw_priv_args),
.standard = (iw_handler *) prism54_handler,
.private = (iw_handler *) prism54_private_handler,
.private_args = (struct iw_priv_args *) prism54_private_args,
.get_wireless_stats = prism54_get_wireless_stats,
};
/* For wpa_supplicant */
int
prism54_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
{
struct iwreq *wrq = (struct iwreq *) rq;
int ret = -1;
switch (cmd) {
case PRISM54_HOSTAPD:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
ret = prism54_hostapd(ndev, &wrq->u.data);
return ret;
}
return -EOPNOTSUPP;
}