![Vivek Natarajan](/assets/img/avatar_default.png)
When the current_bss is not set, 'iwconfig <iface> key off' does not clear the private flag. Hence after we connect with WEP to an AP and then try to connect with another non-WEP AP, it does not work. This issue will not be seen if supplicant is used. Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
1486 lines
38 KiB
C
1486 lines
38 KiB
C
/*
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* cfg80211 - wext compat code
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*
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* This is temporary code until all wireless functionality is migrated
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* into cfg80211, when that happens all the exports here go away and
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* we directly assign the wireless handlers of wireless interfaces.
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*
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* Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
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*/
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#include <linux/wireless.h>
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#include <linux/nl80211.h>
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#include <linux/if_arp.h>
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#include <linux/etherdevice.h>
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#include <net/iw_handler.h>
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#include <net/cfg80211.h>
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#include "wext-compat.h"
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#include "core.h"
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int cfg80211_wext_giwname(struct net_device *dev,
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struct iw_request_info *info,
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char *name, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct ieee80211_supported_band *sband;
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bool is_ht = false, is_a = false, is_b = false, is_g = false;
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if (!wdev)
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return -EOPNOTSUPP;
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sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
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if (sband) {
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is_a = true;
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is_ht |= sband->ht_cap.ht_supported;
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}
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sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
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if (sband) {
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int i;
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/* Check for mandatory rates */
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for (i = 0; i < sband->n_bitrates; i++) {
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if (sband->bitrates[i].bitrate == 10)
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is_b = true;
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if (sband->bitrates[i].bitrate == 60)
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is_g = true;
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}
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is_ht |= sband->ht_cap.ht_supported;
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}
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strcpy(name, "IEEE 802.11");
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if (is_a)
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strcat(name, "a");
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if (is_b)
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strcat(name, "b");
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if (is_g)
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strcat(name, "g");
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if (is_ht)
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strcat(name, "n");
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
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int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
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u32 *mode, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct cfg80211_registered_device *rdev;
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struct vif_params vifparams;
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enum nl80211_iftype type;
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int ret;
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rdev = wiphy_to_dev(wdev->wiphy);
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switch (*mode) {
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case IW_MODE_INFRA:
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type = NL80211_IFTYPE_STATION;
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break;
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case IW_MODE_ADHOC:
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type = NL80211_IFTYPE_ADHOC;
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break;
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case IW_MODE_REPEAT:
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type = NL80211_IFTYPE_WDS;
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break;
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case IW_MODE_MONITOR:
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type = NL80211_IFTYPE_MONITOR;
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break;
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default:
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return -EINVAL;
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}
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if (type == wdev->iftype)
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return 0;
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memset(&vifparams, 0, sizeof(vifparams));
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cfg80211_lock_rdev(rdev);
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ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
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cfg80211_unlock_rdev(rdev);
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return ret;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
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int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
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u32 *mode, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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if (!wdev)
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return -EOPNOTSUPP;
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switch (wdev->iftype) {
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case NL80211_IFTYPE_AP:
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*mode = IW_MODE_MASTER;
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break;
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case NL80211_IFTYPE_STATION:
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*mode = IW_MODE_INFRA;
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break;
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case NL80211_IFTYPE_ADHOC:
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*mode = IW_MODE_ADHOC;
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break;
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case NL80211_IFTYPE_MONITOR:
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*mode = IW_MODE_MONITOR;
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break;
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case NL80211_IFTYPE_WDS:
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*mode = IW_MODE_REPEAT;
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break;
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case NL80211_IFTYPE_AP_VLAN:
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*mode = IW_MODE_SECOND; /* FIXME */
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break;
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default:
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*mode = IW_MODE_AUTO;
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break;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
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int cfg80211_wext_giwrange(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_point *data, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct iw_range *range = (struct iw_range *) extra;
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enum ieee80211_band band;
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int i, c = 0;
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if (!wdev)
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return -EOPNOTSUPP;
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data->length = sizeof(struct iw_range);
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memset(range, 0, sizeof(struct iw_range));
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range->we_version_compiled = WIRELESS_EXT;
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range->we_version_source = 21;
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range->retry_capa = IW_RETRY_LIMIT;
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range->retry_flags = IW_RETRY_LIMIT;
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range->min_retry = 0;
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range->max_retry = 255;
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range->min_rts = 0;
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range->max_rts = 2347;
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range->min_frag = 256;
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range->max_frag = 2346;
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range->max_encoding_tokens = 4;
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range->max_qual.updated = IW_QUAL_NOISE_INVALID;
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switch (wdev->wiphy->signal_type) {
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case CFG80211_SIGNAL_TYPE_NONE:
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break;
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case CFG80211_SIGNAL_TYPE_MBM:
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range->max_qual.level = -110;
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range->max_qual.qual = 70;
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range->avg_qual.qual = 35;
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range->max_qual.updated |= IW_QUAL_DBM;
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range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
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range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
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break;
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case CFG80211_SIGNAL_TYPE_UNSPEC:
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range->max_qual.level = 100;
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range->max_qual.qual = 100;
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range->avg_qual.qual = 50;
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range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
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range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
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break;
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}
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range->avg_qual.level = range->max_qual.level / 2;
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range->avg_qual.noise = range->max_qual.noise / 2;
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range->avg_qual.updated = range->max_qual.updated;
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for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
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switch (wdev->wiphy->cipher_suites[i]) {
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case WLAN_CIPHER_SUITE_TKIP:
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range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
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IW_ENC_CAPA_WPA);
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break;
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case WLAN_CIPHER_SUITE_CCMP:
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range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
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IW_ENC_CAPA_WPA2);
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break;
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case WLAN_CIPHER_SUITE_WEP40:
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range->encoding_size[range->num_encoding_sizes++] =
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WLAN_KEY_LEN_WEP40;
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break;
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case WLAN_CIPHER_SUITE_WEP104:
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range->encoding_size[range->num_encoding_sizes++] =
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WLAN_KEY_LEN_WEP104;
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break;
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}
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}
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for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
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struct ieee80211_supported_band *sband;
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sband = wdev->wiphy->bands[band];
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if (!sband)
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continue;
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for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
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struct ieee80211_channel *chan = &sband->channels[i];
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if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
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range->freq[c].i =
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ieee80211_frequency_to_channel(
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chan->center_freq);
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range->freq[c].m = chan->center_freq;
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range->freq[c].e = 6;
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c++;
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}
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}
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}
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range->num_channels = c;
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range->num_frequency = c;
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IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
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if (wdev->wiphy->max_scan_ssids > 0)
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range->scan_capa |= IW_SCAN_CAPA_ESSID;
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
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/**
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* cfg80211_wext_freq - get wext frequency for non-"auto"
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* @wiphy: the wiphy
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* @freq: the wext freq encoding
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*
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* Returns a frequency, or a negative error code, or 0 for auto.
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*/
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int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
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{
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/*
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* Parse frequency - return 0 for auto and
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* -EINVAL for impossible things.
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*/
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if (freq->e == 0) {
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if (freq->m < 0)
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return 0;
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return ieee80211_channel_to_frequency(freq->m);
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} else {
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int i, div = 1000000;
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for (i = 0; i < freq->e; i++)
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div /= 10;
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if (div <= 0)
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return -EINVAL;
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return freq->m / div;
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}
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}
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int cfg80211_wext_siwrts(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *rts, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
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u32 orts = wdev->wiphy->rts_threshold;
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int err;
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if (rts->disabled || !rts->fixed)
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wdev->wiphy->rts_threshold = (u32) -1;
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else if (rts->value < 0)
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return -EINVAL;
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else
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wdev->wiphy->rts_threshold = rts->value;
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err = rdev->ops->set_wiphy_params(wdev->wiphy,
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WIPHY_PARAM_RTS_THRESHOLD);
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if (err)
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wdev->wiphy->rts_threshold = orts;
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return err;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
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int cfg80211_wext_giwrts(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *rts, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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rts->value = wdev->wiphy->rts_threshold;
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rts->disabled = rts->value == (u32) -1;
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rts->fixed = 1;
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
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int cfg80211_wext_siwfrag(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *frag, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
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u32 ofrag = wdev->wiphy->frag_threshold;
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int err;
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if (frag->disabled || !frag->fixed)
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wdev->wiphy->frag_threshold = (u32) -1;
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else if (frag->value < 256)
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return -EINVAL;
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else {
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/* Fragment length must be even, so strip LSB. */
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wdev->wiphy->frag_threshold = frag->value & ~0x1;
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}
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err = rdev->ops->set_wiphy_params(wdev->wiphy,
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WIPHY_PARAM_FRAG_THRESHOLD);
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if (err)
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wdev->wiphy->frag_threshold = ofrag;
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return err;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
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int cfg80211_wext_giwfrag(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *frag, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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frag->value = wdev->wiphy->frag_threshold;
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frag->disabled = frag->value == (u32) -1;
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frag->fixed = 1;
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
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int cfg80211_wext_siwretry(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *retry, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
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u32 changed = 0;
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u8 olong = wdev->wiphy->retry_long;
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u8 oshort = wdev->wiphy->retry_short;
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int err;
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if (retry->disabled ||
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(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
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return -EINVAL;
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if (retry->flags & IW_RETRY_LONG) {
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wdev->wiphy->retry_long = retry->value;
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changed |= WIPHY_PARAM_RETRY_LONG;
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} else if (retry->flags & IW_RETRY_SHORT) {
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wdev->wiphy->retry_short = retry->value;
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changed |= WIPHY_PARAM_RETRY_SHORT;
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} else {
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wdev->wiphy->retry_short = retry->value;
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wdev->wiphy->retry_long = retry->value;
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changed |= WIPHY_PARAM_RETRY_LONG;
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changed |= WIPHY_PARAM_RETRY_SHORT;
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}
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if (!changed)
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return 0;
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err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
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if (err) {
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wdev->wiphy->retry_short = oshort;
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wdev->wiphy->retry_long = olong;
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}
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return err;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
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int cfg80211_wext_giwretry(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *retry, char *extra)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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retry->disabled = 0;
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if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
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/*
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* First return short value, iwconfig will ask long value
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* later if needed
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*/
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retry->flags |= IW_RETRY_LIMIT;
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retry->value = wdev->wiphy->retry_short;
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if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
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retry->flags |= IW_RETRY_LONG;
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return 0;
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}
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if (retry->flags & IW_RETRY_LONG) {
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retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
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retry->value = wdev->wiphy->retry_long;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
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static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
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struct net_device *dev, const u8 *addr,
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bool remove, bool tx_key, int idx,
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struct key_params *params)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err, i;
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bool rejoin = false;
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if (!wdev->wext.keys) {
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wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
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GFP_KERNEL);
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if (!wdev->wext.keys)
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return -ENOMEM;
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for (i = 0; i < 6; i++)
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wdev->wext.keys->params[i].key =
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wdev->wext.keys->data[i];
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}
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if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
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wdev->iftype != NL80211_IFTYPE_STATION)
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return -EOPNOTSUPP;
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if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
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if (!wdev->current_bss)
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return -ENOLINK;
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if (!rdev->ops->set_default_mgmt_key)
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return -EOPNOTSUPP;
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if (idx < 4 || idx > 5)
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return -EINVAL;
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} else if (idx < 0 || idx > 3)
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return -EINVAL;
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if (remove) {
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err = 0;
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if (wdev->current_bss) {
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/*
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* If removing the current TX key, we will need to
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* join a new IBSS without the privacy bit clear.
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*/
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if (idx == wdev->wext.default_key &&
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wdev->iftype == NL80211_IFTYPE_ADHOC) {
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__cfg80211_leave_ibss(rdev, wdev->netdev, true);
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rejoin = true;
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}
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err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
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}
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wdev->wext.connect.privacy = false;
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/*
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* Applications using wireless extensions expect to be
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* able to delete keys that don't exist, so allow that.
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*/
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if (err == -ENOENT)
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err = 0;
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if (!err) {
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if (!addr) {
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wdev->wext.keys->params[idx].key_len = 0;
|
|
wdev->wext.keys->params[idx].cipher = 0;
|
|
}
|
|
if (idx == wdev->wext.default_key)
|
|
wdev->wext.default_key = -1;
|
|
else if (idx == wdev->wext.default_mgmt_key)
|
|
wdev->wext.default_mgmt_key = -1;
|
|
}
|
|
|
|
if (!err && rejoin)
|
|
err = cfg80211_ibss_wext_join(rdev, wdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
if (addr)
|
|
tx_key = false;
|
|
|
|
if (cfg80211_validate_key_settings(rdev, params, idx, addr))
|
|
return -EINVAL;
|
|
|
|
err = 0;
|
|
if (wdev->current_bss)
|
|
err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!addr) {
|
|
wdev->wext.keys->params[idx] = *params;
|
|
memcpy(wdev->wext.keys->data[idx],
|
|
params->key, params->key_len);
|
|
wdev->wext.keys->params[idx].key =
|
|
wdev->wext.keys->data[idx];
|
|
}
|
|
|
|
if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
|
|
params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
|
|
(tx_key || (!addr && wdev->wext.default_key == -1))) {
|
|
if (wdev->current_bss) {
|
|
/*
|
|
* If we are getting a new TX key from not having
|
|
* had one before we need to join a new IBSS with
|
|
* the privacy bit set.
|
|
*/
|
|
if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
|
|
wdev->wext.default_key == -1) {
|
|
__cfg80211_leave_ibss(rdev, wdev->netdev, true);
|
|
rejoin = true;
|
|
}
|
|
err = rdev->ops->set_default_key(&rdev->wiphy,
|
|
dev, idx);
|
|
}
|
|
if (!err) {
|
|
wdev->wext.default_key = idx;
|
|
if (rejoin)
|
|
err = cfg80211_ibss_wext_join(rdev, wdev);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
|
|
(tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
|
|
if (wdev->current_bss)
|
|
err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
|
|
dev, idx);
|
|
if (!err)
|
|
wdev->wext.default_mgmt_key = idx;
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
|
|
struct net_device *dev, const u8 *addr,
|
|
bool remove, bool tx_key, int idx,
|
|
struct key_params *params)
|
|
{
|
|
int err;
|
|
|
|
/* devlist mutex needed for possible IBSS re-join */
|
|
mutex_lock(&rdev->devlist_mtx);
|
|
wdev_lock(dev->ieee80211_ptr);
|
|
err = __cfg80211_set_encryption(rdev, dev, addr, remove,
|
|
tx_key, idx, params);
|
|
wdev_unlock(dev->ieee80211_ptr);
|
|
mutex_unlock(&rdev->devlist_mtx);
|
|
|
|
return err;
|
|
}
|
|
|
|
int cfg80211_wext_siwencode(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *keybuf)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
int idx, err;
|
|
bool remove = false;
|
|
struct key_params params;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION &&
|
|
wdev->iftype != NL80211_IFTYPE_ADHOC)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* no use -- only MFP (set_default_mgmt_key) is optional */
|
|
if (!rdev->ops->del_key ||
|
|
!rdev->ops->add_key ||
|
|
!rdev->ops->set_default_key)
|
|
return -EOPNOTSUPP;
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (idx == 0) {
|
|
idx = wdev->wext.default_key;
|
|
if (idx < 0)
|
|
idx = 0;
|
|
} else if (idx < 1 || idx > 4)
|
|
return -EINVAL;
|
|
else
|
|
idx--;
|
|
|
|
if (erq->flags & IW_ENCODE_DISABLED)
|
|
remove = true;
|
|
else if (erq->length == 0) {
|
|
/* No key data - just set the default TX key index */
|
|
err = 0;
|
|
wdev_lock(wdev);
|
|
if (wdev->current_bss)
|
|
err = rdev->ops->set_default_key(&rdev->wiphy,
|
|
dev, idx);
|
|
if (!err)
|
|
wdev->wext.default_key = idx;
|
|
wdev_unlock(wdev);
|
|
return err;
|
|
}
|
|
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.key = keybuf;
|
|
params.key_len = erq->length;
|
|
if (erq->length == 5)
|
|
params.cipher = WLAN_CIPHER_SUITE_WEP40;
|
|
else if (erq->length == 13)
|
|
params.cipher = WLAN_CIPHER_SUITE_WEP104;
|
|
else if (!remove)
|
|
return -EINVAL;
|
|
|
|
return cfg80211_set_encryption(rdev, dev, NULL, remove,
|
|
wdev->wext.default_key == -1,
|
|
idx, ¶ms);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
|
|
|
|
int cfg80211_wext_siwencodeext(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
|
|
const u8 *addr;
|
|
int idx;
|
|
bool remove = false;
|
|
struct key_params params;
|
|
u32 cipher;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION &&
|
|
wdev->iftype != NL80211_IFTYPE_ADHOC)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* no use -- only MFP (set_default_mgmt_key) is optional */
|
|
if (!rdev->ops->del_key ||
|
|
!rdev->ops->add_key ||
|
|
!rdev->ops->set_default_key)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (ext->alg) {
|
|
case IW_ENCODE_ALG_NONE:
|
|
remove = true;
|
|
cipher = 0;
|
|
break;
|
|
case IW_ENCODE_ALG_WEP:
|
|
if (ext->key_len == 5)
|
|
cipher = WLAN_CIPHER_SUITE_WEP40;
|
|
else if (ext->key_len == 13)
|
|
cipher = WLAN_CIPHER_SUITE_WEP104;
|
|
else
|
|
return -EINVAL;
|
|
break;
|
|
case IW_ENCODE_ALG_TKIP:
|
|
cipher = WLAN_CIPHER_SUITE_TKIP;
|
|
break;
|
|
case IW_ENCODE_ALG_CCMP:
|
|
cipher = WLAN_CIPHER_SUITE_CCMP;
|
|
break;
|
|
case IW_ENCODE_ALG_AES_CMAC:
|
|
cipher = WLAN_CIPHER_SUITE_AES_CMAC;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (erq->flags & IW_ENCODE_DISABLED)
|
|
remove = true;
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
|
|
if (idx < 4 || idx > 5) {
|
|
idx = wdev->wext.default_mgmt_key;
|
|
if (idx < 0)
|
|
return -EINVAL;
|
|
} else
|
|
idx--;
|
|
} else {
|
|
if (idx < 1 || idx > 4) {
|
|
idx = wdev->wext.default_key;
|
|
if (idx < 0)
|
|
return -EINVAL;
|
|
} else
|
|
idx--;
|
|
}
|
|
|
|
addr = ext->addr.sa_data;
|
|
if (is_broadcast_ether_addr(addr))
|
|
addr = NULL;
|
|
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.key = ext->key;
|
|
params.key_len = ext->key_len;
|
|
params.cipher = cipher;
|
|
|
|
if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
|
|
params.seq = ext->rx_seq;
|
|
params.seq_len = 6;
|
|
}
|
|
|
|
return cfg80211_set_encryption(
|
|
rdev, dev, addr, remove,
|
|
ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
|
|
idx, ¶ms);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
|
|
|
|
int cfg80211_wext_giwencode(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *keybuf)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
int idx;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION &&
|
|
wdev->iftype != NL80211_IFTYPE_ADHOC)
|
|
return -EOPNOTSUPP;
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (idx == 0) {
|
|
idx = wdev->wext.default_key;
|
|
if (idx < 0)
|
|
idx = 0;
|
|
} else if (idx < 1 || idx > 4)
|
|
return -EINVAL;
|
|
else
|
|
idx--;
|
|
|
|
erq->flags = idx + 1;
|
|
|
|
if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
|
|
erq->flags |= IW_ENCODE_DISABLED;
|
|
erq->length = 0;
|
|
return 0;
|
|
}
|
|
|
|
erq->length = min_t(size_t, erq->length,
|
|
wdev->wext.keys->params[idx].key_len);
|
|
memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
|
|
erq->flags |= IW_ENCODE_ENABLED;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
|
|
|
|
int cfg80211_wext_siwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *wextfreq, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
int freq, err;
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
|
|
default:
|
|
freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
|
|
if (freq < 0)
|
|
return freq;
|
|
if (freq == 0)
|
|
return -EINVAL;
|
|
mutex_lock(&rdev->devlist_mtx);
|
|
err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
|
|
mutex_unlock(&rdev->devlist_mtx);
|
|
return err;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
|
|
|
|
int cfg80211_wext_giwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *freq, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
|
|
default:
|
|
if (!rdev->channel)
|
|
return -EINVAL;
|
|
freq->m = rdev->channel->center_freq;
|
|
freq->e = 6;
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
|
|
|
|
int cfg80211_wext_siwtxpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *data, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
enum tx_power_setting type;
|
|
int dbm = 0;
|
|
|
|
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
|
|
return -EINVAL;
|
|
if (data->txpower.flags & IW_TXPOW_RANGE)
|
|
return -EINVAL;
|
|
|
|
if (!rdev->ops->set_tx_power)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* only change when not disabling */
|
|
if (!data->txpower.disabled) {
|
|
rfkill_set_sw_state(rdev->rfkill, false);
|
|
|
|
if (data->txpower.fixed) {
|
|
/*
|
|
* wext doesn't support negative values, see
|
|
* below where it's for automatic
|
|
*/
|
|
if (data->txpower.value < 0)
|
|
return -EINVAL;
|
|
dbm = data->txpower.value;
|
|
type = TX_POWER_FIXED;
|
|
/* TODO: do regulatory check! */
|
|
} else {
|
|
/*
|
|
* Automatic power level setting, max being the value
|
|
* passed in from userland.
|
|
*/
|
|
if (data->txpower.value < 0) {
|
|
type = TX_POWER_AUTOMATIC;
|
|
} else {
|
|
dbm = data->txpower.value;
|
|
type = TX_POWER_LIMITED;
|
|
}
|
|
}
|
|
} else {
|
|
rfkill_set_sw_state(rdev->rfkill, true);
|
|
schedule_work(&rdev->rfkill_sync);
|
|
return 0;
|
|
}
|
|
|
|
return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
|
|
|
|
int cfg80211_wext_giwtxpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *data, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
int err, val;
|
|
|
|
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
|
|
return -EINVAL;
|
|
if (data->txpower.flags & IW_TXPOW_RANGE)
|
|
return -EINVAL;
|
|
|
|
if (!rdev->ops->get_tx_power)
|
|
return -EOPNOTSUPP;
|
|
|
|
err = rdev->ops->get_tx_power(wdev->wiphy, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
/* well... oh well */
|
|
data->txpower.fixed = 1;
|
|
data->txpower.disabled = rfkill_blocked(rdev->rfkill);
|
|
data->txpower.value = val;
|
|
data->txpower.flags = IW_TXPOW_DBM;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
|
|
|
|
static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
|
|
s32 auth_alg)
|
|
{
|
|
int nr_alg = 0;
|
|
|
|
if (!auth_alg)
|
|
return -EINVAL;
|
|
|
|
if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
|
|
IW_AUTH_ALG_SHARED_KEY |
|
|
IW_AUTH_ALG_LEAP))
|
|
return -EINVAL;
|
|
|
|
if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
|
|
nr_alg++;
|
|
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
|
|
}
|
|
|
|
if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
|
|
nr_alg++;
|
|
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
|
|
}
|
|
|
|
if (auth_alg & IW_AUTH_ALG_LEAP) {
|
|
nr_alg++;
|
|
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
|
|
}
|
|
|
|
if (nr_alg > 1)
|
|
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
|
|
{
|
|
if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
|
|
IW_AUTH_WPA_VERSION_WPA2|
|
|
IW_AUTH_WPA_VERSION_DISABLED))
|
|
return -EINVAL;
|
|
|
|
if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
|
|
(wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
|
|
IW_AUTH_WPA_VERSION_WPA2)))
|
|
return -EINVAL;
|
|
|
|
if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
|
|
wdev->wext.connect.crypto.wpa_versions &=
|
|
~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
|
|
|
|
if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
|
|
wdev->wext.connect.crypto.wpa_versions |=
|
|
NL80211_WPA_VERSION_1;
|
|
|
|
if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
|
|
wdev->wext.connect.crypto.wpa_versions |=
|
|
NL80211_WPA_VERSION_2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
|
|
{
|
|
if (cipher & IW_AUTH_CIPHER_WEP40)
|
|
wdev->wext.connect.crypto.cipher_group =
|
|
WLAN_CIPHER_SUITE_WEP40;
|
|
else if (cipher & IW_AUTH_CIPHER_WEP104)
|
|
wdev->wext.connect.crypto.cipher_group =
|
|
WLAN_CIPHER_SUITE_WEP104;
|
|
else if (cipher & IW_AUTH_CIPHER_TKIP)
|
|
wdev->wext.connect.crypto.cipher_group =
|
|
WLAN_CIPHER_SUITE_TKIP;
|
|
else if (cipher & IW_AUTH_CIPHER_CCMP)
|
|
wdev->wext.connect.crypto.cipher_group =
|
|
WLAN_CIPHER_SUITE_CCMP;
|
|
else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
|
|
wdev->wext.connect.crypto.cipher_group =
|
|
WLAN_CIPHER_SUITE_AES_CMAC;
|
|
else if (cipher & IW_AUTH_CIPHER_NONE)
|
|
wdev->wext.connect.crypto.cipher_group = 0;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
|
|
{
|
|
int nr_ciphers = 0;
|
|
u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
|
|
|
|
if (cipher & IW_AUTH_CIPHER_WEP40) {
|
|
ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
|
|
nr_ciphers++;
|
|
}
|
|
|
|
if (cipher & IW_AUTH_CIPHER_WEP104) {
|
|
ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
|
|
nr_ciphers++;
|
|
}
|
|
|
|
if (cipher & IW_AUTH_CIPHER_TKIP) {
|
|
ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
|
|
nr_ciphers++;
|
|
}
|
|
|
|
if (cipher & IW_AUTH_CIPHER_CCMP) {
|
|
ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
|
|
nr_ciphers++;
|
|
}
|
|
|
|
if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
|
|
ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
|
|
nr_ciphers++;
|
|
}
|
|
|
|
BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
|
|
|
|
wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
|
|
{
|
|
int nr_akm_suites = 0;
|
|
|
|
if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
|
|
IW_AUTH_KEY_MGMT_PSK))
|
|
return -EINVAL;
|
|
|
|
if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
|
|
wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
|
|
WLAN_AKM_SUITE_8021X;
|
|
nr_akm_suites++;
|
|
}
|
|
|
|
if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
|
|
wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
|
|
WLAN_AKM_SUITE_PSK;
|
|
nr_akm_suites++;
|
|
}
|
|
|
|
wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cfg80211_wext_siwauth(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *data, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (data->flags & IW_AUTH_INDEX) {
|
|
case IW_AUTH_PRIVACY_INVOKED:
|
|
wdev->wext.connect.privacy = data->value;
|
|
return 0;
|
|
case IW_AUTH_WPA_VERSION:
|
|
return cfg80211_set_wpa_version(wdev, data->value);
|
|
case IW_AUTH_CIPHER_GROUP:
|
|
return cfg80211_set_cipher_group(wdev, data->value);
|
|
case IW_AUTH_KEY_MGMT:
|
|
return cfg80211_set_key_mgt(wdev, data->value);
|
|
case IW_AUTH_CIPHER_PAIRWISE:
|
|
return cfg80211_set_cipher_pairwise(wdev, data->value);
|
|
case IW_AUTH_80211_AUTH_ALG:
|
|
return cfg80211_set_auth_alg(wdev, data->value);
|
|
case IW_AUTH_WPA_ENABLED:
|
|
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
|
|
case IW_AUTH_DROP_UNENCRYPTED:
|
|
case IW_AUTH_MFP:
|
|
return 0;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
|
|
|
|
int cfg80211_wext_giwauth(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *data, char *extra)
|
|
{
|
|
/* XXX: what do we need? */
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
|
|
|
|
int cfg80211_wext_siwpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *wrq, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
bool ps = wdev->wext.ps;
|
|
int timeout = wdev->wext.ps_timeout;
|
|
int err;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION)
|
|
return -EINVAL;
|
|
|
|
if (!rdev->ops->set_power_mgmt)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (wrq->disabled) {
|
|
ps = false;
|
|
} else {
|
|
switch (wrq->flags & IW_POWER_MODE) {
|
|
case IW_POWER_ON: /* If not specified */
|
|
case IW_POWER_MODE: /* If set all mask */
|
|
case IW_POWER_ALL_R: /* If explicitely state all */
|
|
ps = true;
|
|
break;
|
|
default: /* Otherwise we ignore */
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
|
|
return -EINVAL;
|
|
|
|
if (wrq->flags & IW_POWER_TIMEOUT)
|
|
timeout = wrq->value / 1000;
|
|
}
|
|
|
|
err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
|
|
if (err)
|
|
return err;
|
|
|
|
wdev->wext.ps = ps;
|
|
wdev->wext.ps_timeout = timeout;
|
|
|
|
return 0;
|
|
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
|
|
|
|
int cfg80211_wext_giwpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *wrq, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
wrq->disabled = !wdev->wext.ps;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
|
|
|
|
static int cfg80211_wds_wext_siwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *addr, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
int err;
|
|
|
|
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
|
|
return -EINVAL;
|
|
|
|
if (addr->sa_family != ARPHRD_ETHER)
|
|
return -EINVAL;
|
|
|
|
if (netif_running(dev))
|
|
return -EBUSY;
|
|
|
|
if (!rdev->ops->set_wds_peer)
|
|
return -EOPNOTSUPP;
|
|
|
|
err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
|
|
if (err)
|
|
return err;
|
|
|
|
memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cfg80211_wds_wext_giwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *addr, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
|
|
return -EINVAL;
|
|
|
|
addr->sa_family = ARPHRD_ETHER;
|
|
memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cfg80211_wext_siwrate(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rate, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
struct cfg80211_bitrate_mask mask;
|
|
|
|
if (!rdev->ops->set_bitrate_mask)
|
|
return -EOPNOTSUPP;
|
|
|
|
mask.fixed = 0;
|
|
mask.maxrate = 0;
|
|
|
|
if (rate->value < 0) {
|
|
/* nothing */
|
|
} else if (rate->fixed) {
|
|
mask.fixed = rate->value / 1000; /* kbps */
|
|
} else {
|
|
mask.maxrate = rate->value / 1000; /* kbps */
|
|
}
|
|
|
|
return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
|
|
|
|
int cfg80211_wext_giwrate(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rate, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
/* we are under RTNL - globally locked - so can use a static struct */
|
|
static struct station_info sinfo;
|
|
u8 addr[ETH_ALEN];
|
|
int err;
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!rdev->ops->get_station)
|
|
return -EOPNOTSUPP;
|
|
|
|
err = 0;
|
|
wdev_lock(wdev);
|
|
if (wdev->current_bss)
|
|
memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
|
|
else
|
|
err = -EOPNOTSUPP;
|
|
wdev_unlock(wdev);
|
|
if (err)
|
|
return err;
|
|
|
|
err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
|
|
return -EOPNOTSUPP;
|
|
|
|
rate->value = 0;
|
|
|
|
if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
|
|
rate->value = 100000 * sinfo.txrate.legacy;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
|
|
|
|
/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
|
|
struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
/* we are under RTNL - globally locked - so can use static structs */
|
|
static struct iw_statistics wstats;
|
|
static struct station_info sinfo;
|
|
u8 bssid[ETH_ALEN];
|
|
|
|
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
|
|
return NULL;
|
|
|
|
if (!rdev->ops->get_station)
|
|
return NULL;
|
|
|
|
/* Grab BSSID of current BSS, if any */
|
|
wdev_lock(wdev);
|
|
if (!wdev->current_bss) {
|
|
wdev_unlock(wdev);
|
|
return NULL;
|
|
}
|
|
memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
|
|
wdev_unlock(wdev);
|
|
|
|
if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
|
|
return NULL;
|
|
|
|
memset(&wstats, 0, sizeof(wstats));
|
|
|
|
switch (rdev->wiphy.signal_type) {
|
|
case CFG80211_SIGNAL_TYPE_MBM:
|
|
if (sinfo.filled & STATION_INFO_SIGNAL) {
|
|
int sig = sinfo.signal;
|
|
wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
|
|
wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
|
|
wstats.qual.updated |= IW_QUAL_DBM;
|
|
wstats.qual.level = sig;
|
|
if (sig < -110)
|
|
sig = -110;
|
|
else if (sig > -40)
|
|
sig = -40;
|
|
wstats.qual.qual = sig + 110;
|
|
break;
|
|
}
|
|
case CFG80211_SIGNAL_TYPE_UNSPEC:
|
|
if (sinfo.filled & STATION_INFO_SIGNAL) {
|
|
wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
|
|
wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
|
|
wstats.qual.level = sinfo.signal;
|
|
wstats.qual.qual = sinfo.signal;
|
|
break;
|
|
}
|
|
default:
|
|
wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
|
|
wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
|
|
}
|
|
|
|
wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
|
|
|
|
return &wstats;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
|
|
|
|
int cfg80211_wext_siwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
|
|
case NL80211_IFTYPE_WDS:
|
|
return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
|
|
|
|
int cfg80211_wext_giwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
|
|
case NL80211_IFTYPE_WDS:
|
|
return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
|
|
|
|
int cfg80211_wext_siwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
|
|
|
|
int cfg80211_wext_giwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
|
|
case NL80211_IFTYPE_STATION:
|
|
return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
|
|
|
|
int cfg80211_wext_siwpmksa(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
struct cfg80211_pmksa cfg_pmksa;
|
|
struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
|
|
|
|
memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
|
|
|
|
if (wdev->iftype != NL80211_IFTYPE_STATION)
|
|
return -EINVAL;
|
|
|
|
cfg_pmksa.bssid = pmksa->bssid.sa_data;
|
|
cfg_pmksa.pmkid = pmksa->pmkid;
|
|
|
|
switch (pmksa->cmd) {
|
|
case IW_PMKSA_ADD:
|
|
if (!rdev->ops->set_pmksa)
|
|
return -EOPNOTSUPP;
|
|
|
|
return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
|
|
|
|
case IW_PMKSA_REMOVE:
|
|
if (!rdev->ops->del_pmksa)
|
|
return -EOPNOTSUPP;
|
|
|
|
return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
|
|
|
|
case IW_PMKSA_FLUSH:
|
|
if (!rdev->ops->flush_pmksa)
|
|
return -EOPNOTSUPP;
|
|
|
|
return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
|
|
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static const iw_handler cfg80211_handlers[] = {
|
|
[IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
|
|
[IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
|
|
[IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
|
|
[IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
|
|
[IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
|
|
[IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
|
|
[IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
|
|
[IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
|
|
[IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
|
|
[IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
|
|
[IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
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[IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
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[IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
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[IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
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[IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
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[IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
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[IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
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|
[IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
|
|
[IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
|
|
[IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
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|
[IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
|
|
[IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
|
|
[IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
|
|
[IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
|
|
[IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
|
|
[IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
|
|
[IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
|
|
[IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
|
|
[IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
|
|
[IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
|
|
[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
|
|
[IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
|
|
};
|
|
|
|
const struct iw_handler_def cfg80211_wext_handler = {
|
|
.num_standard = ARRAY_SIZE(cfg80211_handlers),
|
|
.standard = cfg80211_handlers,
|
|
.get_wireless_stats = cfg80211_wireless_stats,
|
|
};
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