2ab658f9ce
Only set the sizes for WEP40 and WEP104. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
849 lines
20 KiB
C
849 lines
20 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 "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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if (!wdev)
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return -EOPNOTSUPP;
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rdev = wiphy_to_dev(wdev->wiphy);
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if (!rdev->ops->change_virtual_intf)
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return -EOPNOTSUPP;
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/* don't support changing VLANs, you just re-create them */
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if (wdev->iftype == NL80211_IFTYPE_AP_VLAN)
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return -EOPNOTSUPP;
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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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ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev, type,
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NULL, &vifparams);
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WARN_ON(!ret && wdev->iftype != type);
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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 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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range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2;
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for (c = 0; c < wdev->wiphy->n_cipher_suites; c++) {
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switch (wdev->wiphy->cipher_suites[c]) {
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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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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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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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int i;
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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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int cfg80211_wext_siwmlme(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_mlme *mlme = (struct iw_mlme *)extra;
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struct cfg80211_registered_device *rdev;
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union {
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struct cfg80211_disassoc_request disassoc;
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struct cfg80211_deauth_request deauth;
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} cmd;
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if (!wdev)
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return -EOPNOTSUPP;
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rdev = wiphy_to_dev(wdev->wiphy);
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if (wdev->iftype != NL80211_IFTYPE_STATION)
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return -EINVAL;
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if (mlme->addr.sa_family != ARPHRD_ETHER)
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return -EINVAL;
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memset(&cmd, 0, sizeof(cmd));
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switch (mlme->cmd) {
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case IW_MLME_DEAUTH:
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if (!rdev->ops->deauth)
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return -EOPNOTSUPP;
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cmd.deauth.peer_addr = mlme->addr.sa_data;
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cmd.deauth.reason_code = mlme->reason_code;
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return rdev->ops->deauth(wdev->wiphy, dev, &cmd.deauth);
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case IW_MLME_DISASSOC:
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if (!rdev->ops->disassoc)
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return -EOPNOTSUPP;
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cmd.disassoc.peer_addr = mlme->addr.sa_data;
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cmd.disassoc.reason_code = mlme->reason_code;
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return rdev->ops->disassoc(wdev->wiphy, dev, &cmd.disassoc);
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default:
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return -EOPNOTSUPP;
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}
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);
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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 channel, %NULL for auto, or an ERR_PTR for errors!
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*/
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struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
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struct iw_freq *freq)
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{
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struct ieee80211_channel *chan;
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int f;
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/*
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* Parse frequency - return NULL 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 NULL;
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f = 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 ERR_PTR(-EINVAL);
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f = freq->m / div;
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}
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/*
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* Look up channel struct and return -EINVAL when
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* it cannot be found.
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*/
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chan = ieee80211_get_channel(wiphy, f);
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if (!chan)
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return ERR_PTR(-EINVAL);
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return chan;
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}
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EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
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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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}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
|
|
|
|
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)
|
|
{
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
int err;
|
|
|
|
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
|
|
if (!rdev->ops->set_default_mgmt_key)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (idx < 4 || idx > 5)
|
|
return -EINVAL;
|
|
} else if (idx < 0 || idx > 3)
|
|
return -EINVAL;
|
|
|
|
if (remove) {
|
|
err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
|
|
if (!err) {
|
|
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;
|
|
}
|
|
/*
|
|
* Applications using wireless extensions expect to be
|
|
* able to delete keys that don't exist, so allow that.
|
|
*/
|
|
if (err == -ENOENT)
|
|
return 0;
|
|
|
|
return err;
|
|
} else {
|
|
if (addr)
|
|
tx_key = false;
|
|
|
|
if (cfg80211_validate_key_settings(params, idx, addr))
|
|
return -EINVAL;
|
|
|
|
err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
|
|
if (err)
|
|
return err;
|
|
|
|
if (tx_key || (!addr && wdev->wext.default_key == -1)) {
|
|
err = rdev->ops->set_default_key(&rdev->wiphy,
|
|
dev, idx);
|
|
if (!err)
|
|
wdev->wext.default_key = idx;
|
|
return err;
|
|
}
|
|
|
|
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
|
|
(tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
|
|
err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
|
|
dev, idx);
|
|
if (!err)
|
|
wdev->wext.default_mgmt_key = idx;
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
/* 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 = rdev->ops->set_default_key(&rdev->wiphy, dev, idx);
|
|
if (!err)
|
|
wdev->wext.default_key = idx;
|
|
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;
|
|
|
|
/* 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);
|
|
|
|
struct giwencode_cookie {
|
|
size_t buflen;
|
|
char *keybuf;
|
|
};
|
|
|
|
static void giwencode_get_key_cb(void *cookie, struct key_params *params)
|
|
{
|
|
struct giwencode_cookie *data = cookie;
|
|
|
|
if (!params->key) {
|
|
data->buflen = 0;
|
|
return;
|
|
}
|
|
|
|
data->buflen = min_t(size_t, data->buflen, params->key_len);
|
|
memcpy(data->keybuf, params->key, data->buflen);
|
|
}
|
|
|
|
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;
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
int idx, err;
|
|
struct giwencode_cookie data = {
|
|
.keybuf = keybuf,
|
|
.buflen = erq->length,
|
|
};
|
|
|
|
if (!rdev->ops->get_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--;
|
|
|
|
erq->flags = idx + 1;
|
|
|
|
err = rdev->ops->get_key(&rdev->wiphy, dev, idx, NULL, &data,
|
|
giwencode_get_key_cb);
|
|
if (!err) {
|
|
erq->length = data.buflen;
|
|
erq->flags |= IW_ENCODE_ENABLED;
|
|
return 0;
|
|
}
|
|
|
|
if (err == -ENOENT) {
|
|
erq->flags |= IW_ENCODE_DISABLED;
|
|
erq->length = 0;
|
|
return 0;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
|
|
|
|
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);
|