2008-11-26 14:36:31 -07:00
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/*
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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 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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2009-04-19 11:57:45 -06:00
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#include <linux/if_arp.h>
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2008-11-26 14:36:31 -07:00
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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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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
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2008-11-26 15:31:40 -07:00
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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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2009-03-21 10:07:59 -06:00
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int ret;
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2008-11-26 15:31:40 -07:00
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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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2009-03-21 10:07:59 -06:00
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if (type == wdev->iftype)
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return 0;
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2008-11-26 15:31:40 -07:00
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memset(&vifparams, 0, sizeof(vifparams));
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2009-03-21 10:07:59 -06:00
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ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, 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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2008-11-26 15:31:40 -07:00
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}
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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
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2008-11-26 15:31:40 -07:00
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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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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
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2009-02-18 11:32:08 -07:00
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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->encoding_size[0] = 5;
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range->encoding_size[1] = 13;
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range->num_encoding_sizes = 2;
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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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IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
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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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range->scan_capa |= IW_SCAN_CAPA_ESSID;
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return 0;
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}
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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
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2009-04-19 11:57:45 -06:00
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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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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);
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2009-04-19 13:24:32 -06:00
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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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if (freq->e == 0) {
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if (freq->m < 0)
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return NULL;
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else
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return ieee80211_get_channel(wiphy,
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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 ieee80211_get_channel(wiphy, freq->m / div);
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else
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return ERR_PTR(-EINVAL);
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}
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}
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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
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2009-04-20 10:39:05 -06:00
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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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2009-04-20 10:49:39 -06:00
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EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
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2009-04-20 10:39:05 -06:00
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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;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2009-04-20 10:49:39 -06:00
|
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
|
2009-04-20 10:39:05 -06:00
|
|
|
|
|
|
|
int cfg80211_wext_siwfrag(struct net_device *dev,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
struct iw_param *frag, char *extra)
|
|
|
|
{
|
|
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
|
|
u32 ofrag = wdev->wiphy->frag_threshold;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if (frag->disabled || !frag->fixed)
|
|
|
|
wdev->wiphy->frag_threshold = (u32) -1;
|
|
|
|
else if (frag->value < 256)
|
|
|
|
return -EINVAL;
|
|
|
|
else {
|
|
|
|
/* Fragment length must be even, so strip LSB. */
|
|
|
|
wdev->wiphy->frag_threshold = frag->value & ~0x1;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = rdev->ops->set_wiphy_params(wdev->wiphy,
|
|
|
|
WIPHY_PARAM_FRAG_THRESHOLD);
|
|
|
|
if (err)
|
|
|
|
wdev->wiphy->frag_threshold = ofrag;
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
2009-04-20 10:49:39 -06:00
|
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
|
2009-04-20 10:39:05 -06:00
|
|
|
|
|
|
|
int cfg80211_wext_giwfrag(struct net_device *dev,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
struct iw_param *frag, char *extra)
|
|
|
|
{
|
|
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
|
|
|
|
frag->value = wdev->wiphy->frag_threshold;
|
|
|
|
frag->disabled = frag->value == (u32) -1;
|
|
|
|
frag->fixed = 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2009-04-20 10:49:39 -06:00
|
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
|
2009-04-20 10:39:05 -06:00
|
|
|
|
|
|
|
int cfg80211_wext_siwretry(struct net_device *dev,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
struct iw_param *retry, char *extra)
|
|
|
|
{
|
|
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
|
|
|
|
u32 changed = 0;
|
|
|
|
u8 olong = wdev->wiphy->retry_long;
|
|
|
|
u8 oshort = wdev->wiphy->retry_short;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if (retry->disabled ||
|
|
|
|
(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (retry->flags & IW_RETRY_LONG) {
|
|
|
|
wdev->wiphy->retry_long = retry->value;
|
|
|
|
changed |= WIPHY_PARAM_RETRY_LONG;
|
|
|
|
} else if (retry->flags & IW_RETRY_SHORT) {
|
|
|
|
wdev->wiphy->retry_short = retry->value;
|
|
|
|
changed |= WIPHY_PARAM_RETRY_SHORT;
|
|
|
|
} else {
|
|
|
|
wdev->wiphy->retry_short = retry->value;
|
|
|
|
wdev->wiphy->retry_long = retry->value;
|
|
|
|
changed |= WIPHY_PARAM_RETRY_LONG;
|
|
|
|
changed |= WIPHY_PARAM_RETRY_SHORT;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!changed)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
|
|
|
|
if (err) {
|
|
|
|
wdev->wiphy->retry_short = oshort;
|
|
|
|
wdev->wiphy->retry_long = olong;
|
|
|
|
}
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
2009-04-20 10:49:39 -06:00
|
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
|
2009-04-20 10:39:05 -06:00
|
|
|
|
|
|
|
int cfg80211_wext_giwretry(struct net_device *dev,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
struct iw_param *retry, char *extra)
|
|
|
|
{
|
|
|
|
struct wireless_dev *wdev = dev->ieee80211_ptr;
|
|
|
|
|
|
|
|
retry->disabled = 0;
|
|
|
|
|
|
|
|
if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
|
|
|
|
/*
|
|
|
|
* First return short value, iwconfig will ask long value
|
|
|
|
* later if needed
|
|
|
|
*/
|
|
|
|
retry->flags |= IW_RETRY_LIMIT;
|
|
|
|
retry->value = wdev->wiphy->retry_short;
|
|
|
|
if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
|
|
|
|
retry->flags |= IW_RETRY_LONG;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (retry->flags & IW_RETRY_LONG) {
|
|
|
|
retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
|
|
|
|
retry->value = wdev->wiphy->retry_long;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2009-04-20 10:49:39 -06:00
|
|
|
EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
|