![Felix Fietkau](/assets/img/avatar_default.png)
Drivers are not expected to handle it before drv_start has been called. It will be called again after an interface has been brought up. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
3138 lines
82 KiB
C
3138 lines
82 KiB
C
/*
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* mac80211 configuration hooks for cfg80211
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*
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* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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*
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* This file is GPLv2 as found in COPYING.
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*/
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#include <linux/ieee80211.h>
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#include <linux/nl80211.h>
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#include <linux/rtnetlink.h>
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#include <linux/slab.h>
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#include <net/net_namespace.h>
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#include <linux/rcupdate.h>
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#include <linux/if_ether.h>
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#include <net/cfg80211.h>
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#include "ieee80211_i.h"
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#include "driver-ops.h"
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#include "cfg.h"
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#include "rate.h"
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#include "mesh.h"
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static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
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const char *name,
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enum nl80211_iftype type,
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u32 *flags,
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struct vif_params *params)
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{
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struct ieee80211_local *local = wiphy_priv(wiphy);
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struct wireless_dev *wdev;
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struct ieee80211_sub_if_data *sdata;
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int err;
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err = ieee80211_if_add(local, name, &wdev, type, params);
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if (err)
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return ERR_PTR(err);
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if (type == NL80211_IFTYPE_MONITOR && flags) {
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sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
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sdata->u.mntr_flags = *flags;
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}
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return wdev;
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}
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static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
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{
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ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
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return 0;
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}
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static int ieee80211_change_iface(struct wiphy *wiphy,
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struct net_device *dev,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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int ret;
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ret = ieee80211_if_change_type(sdata, type);
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if (ret)
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return ret;
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if (type == NL80211_IFTYPE_AP_VLAN &&
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params && params->use_4addr == 0)
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RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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else if (type == NL80211_IFTYPE_STATION &&
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params && params->use_4addr >= 0)
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sdata->u.mgd.use_4addr = params->use_4addr;
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if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
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struct ieee80211_local *local = sdata->local;
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if (ieee80211_sdata_running(sdata)) {
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/*
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* Prohibit MONITOR_FLAG_COOK_FRAMES to be
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* changed while the interface is up.
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* Else we would need to add a lot of cruft
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* to update everything:
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* cooked_mntrs, monitor and all fif_* counters
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* reconfigure hardware
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*/
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if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
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(sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
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return -EBUSY;
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ieee80211_adjust_monitor_flags(sdata, -1);
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sdata->u.mntr_flags = *flags;
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ieee80211_adjust_monitor_flags(sdata, 1);
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ieee80211_configure_filter(local);
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} else {
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/*
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* Because the interface is down, ieee80211_do_stop
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* and ieee80211_do_open take care of "everything"
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* mentioned in the comment above.
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*/
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sdata->u.mntr_flags = *flags;
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}
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}
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return 0;
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}
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static int ieee80211_start_p2p_device(struct wiphy *wiphy,
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struct wireless_dev *wdev)
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{
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return ieee80211_do_open(wdev, true);
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}
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static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
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struct wireless_dev *wdev)
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{
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ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
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}
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static int ieee80211_set_noack_map(struct wiphy *wiphy,
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struct net_device *dev,
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u16 noack_map)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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sdata->noack_map = noack_map;
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return 0;
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}
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static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
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u8 key_idx, bool pairwise, const u8 *mac_addr,
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struct key_params *params)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct sta_info *sta = NULL;
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struct ieee80211_key *key;
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int err;
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if (!ieee80211_sdata_running(sdata))
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return -ENETDOWN;
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/* reject WEP and TKIP keys if WEP failed to initialize */
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switch (params->cipher) {
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case WLAN_CIPHER_SUITE_WEP40:
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case WLAN_CIPHER_SUITE_TKIP:
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case WLAN_CIPHER_SUITE_WEP104:
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if (IS_ERR(sdata->local->wep_tx_tfm))
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return -EINVAL;
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break;
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default:
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break;
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}
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key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
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params->key, params->seq_len, params->seq);
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if (IS_ERR(key))
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return PTR_ERR(key);
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if (pairwise)
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key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
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mutex_lock(&sdata->local->sta_mtx);
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if (mac_addr) {
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if (ieee80211_vif_is_mesh(&sdata->vif))
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sta = sta_info_get(sdata, mac_addr);
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else
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sta = sta_info_get_bss(sdata, mac_addr);
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if (!sta) {
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ieee80211_key_free(sdata->local, key);
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err = -ENOENT;
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goto out_unlock;
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}
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}
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switch (sdata->vif.type) {
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case NL80211_IFTYPE_STATION:
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if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
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key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
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break;
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case NL80211_IFTYPE_AP:
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case NL80211_IFTYPE_AP_VLAN:
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/* Keys without a station are used for TX only */
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if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
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key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
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break;
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case NL80211_IFTYPE_ADHOC:
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/* no MFP (yet) */
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break;
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case NL80211_IFTYPE_MESH_POINT:
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#ifdef CONFIG_MAC80211_MESH
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if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
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key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
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break;
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#endif
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case NL80211_IFTYPE_WDS:
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case NL80211_IFTYPE_MONITOR:
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case NL80211_IFTYPE_P2P_DEVICE:
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case NL80211_IFTYPE_UNSPECIFIED:
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case NUM_NL80211_IFTYPES:
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case NL80211_IFTYPE_P2P_CLIENT:
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case NL80211_IFTYPE_P2P_GO:
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/* shouldn't happen */
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WARN_ON_ONCE(1);
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break;
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}
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err = ieee80211_key_link(key, sdata, sta);
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if (err)
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ieee80211_key_free(sdata->local, key);
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out_unlock:
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mutex_unlock(&sdata->local->sta_mtx);
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return err;
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}
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static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
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u8 key_idx, bool pairwise, const u8 *mac_addr)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct ieee80211_local *local = sdata->local;
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struct sta_info *sta;
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struct ieee80211_key *key = NULL;
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int ret;
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mutex_lock(&local->sta_mtx);
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mutex_lock(&local->key_mtx);
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if (mac_addr) {
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ret = -ENOENT;
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sta = sta_info_get_bss(sdata, mac_addr);
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if (!sta)
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goto out_unlock;
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if (pairwise)
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key = key_mtx_dereference(local, sta->ptk);
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else
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key = key_mtx_dereference(local, sta->gtk[key_idx]);
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} else
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key = key_mtx_dereference(local, sdata->keys[key_idx]);
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if (!key) {
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ret = -ENOENT;
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goto out_unlock;
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}
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__ieee80211_key_free(key);
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ret = 0;
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out_unlock:
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mutex_unlock(&local->key_mtx);
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mutex_unlock(&local->sta_mtx);
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return ret;
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}
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static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
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u8 key_idx, bool pairwise, const u8 *mac_addr,
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void *cookie,
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void (*callback)(void *cookie,
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struct key_params *params))
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{
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struct ieee80211_sub_if_data *sdata;
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struct sta_info *sta = NULL;
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u8 seq[6] = {0};
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struct key_params params;
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struct ieee80211_key *key = NULL;
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u64 pn64;
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u32 iv32;
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u16 iv16;
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int err = -ENOENT;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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rcu_read_lock();
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if (mac_addr) {
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sta = sta_info_get_bss(sdata, mac_addr);
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if (!sta)
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goto out;
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if (pairwise)
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key = rcu_dereference(sta->ptk);
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else if (key_idx < NUM_DEFAULT_KEYS)
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key = rcu_dereference(sta->gtk[key_idx]);
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} else
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key = rcu_dereference(sdata->keys[key_idx]);
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if (!key)
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goto out;
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memset(¶ms, 0, sizeof(params));
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params.cipher = key->conf.cipher;
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switch (key->conf.cipher) {
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case WLAN_CIPHER_SUITE_TKIP:
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iv32 = key->u.tkip.tx.iv32;
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iv16 = key->u.tkip.tx.iv16;
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if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
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drv_get_tkip_seq(sdata->local,
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key->conf.hw_key_idx,
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&iv32, &iv16);
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seq[0] = iv16 & 0xff;
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seq[1] = (iv16 >> 8) & 0xff;
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seq[2] = iv32 & 0xff;
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seq[3] = (iv32 >> 8) & 0xff;
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seq[4] = (iv32 >> 16) & 0xff;
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seq[5] = (iv32 >> 24) & 0xff;
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params.seq = seq;
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params.seq_len = 6;
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break;
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case WLAN_CIPHER_SUITE_CCMP:
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pn64 = atomic64_read(&key->u.ccmp.tx_pn);
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seq[0] = pn64;
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seq[1] = pn64 >> 8;
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seq[2] = pn64 >> 16;
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seq[3] = pn64 >> 24;
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seq[4] = pn64 >> 32;
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seq[5] = pn64 >> 40;
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params.seq = seq;
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params.seq_len = 6;
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break;
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case WLAN_CIPHER_SUITE_AES_CMAC:
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pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
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seq[0] = pn64;
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seq[1] = pn64 >> 8;
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seq[2] = pn64 >> 16;
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seq[3] = pn64 >> 24;
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seq[4] = pn64 >> 32;
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seq[5] = pn64 >> 40;
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params.seq = seq;
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params.seq_len = 6;
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break;
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}
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params.key = key->conf.key;
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params.key_len = key->conf.keylen;
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callback(cookie, ¶ms);
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err = 0;
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out:
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rcu_read_unlock();
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return err;
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}
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static int ieee80211_config_default_key(struct wiphy *wiphy,
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struct net_device *dev,
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u8 key_idx, bool uni,
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bool multi)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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ieee80211_set_default_key(sdata, key_idx, uni, multi);
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return 0;
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}
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static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
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struct net_device *dev,
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u8 key_idx)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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ieee80211_set_default_mgmt_key(sdata, key_idx);
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return 0;
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}
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static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
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{
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if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
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struct ieee80211_supported_band *sband;
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sband = sta->local->hw.wiphy->bands[
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sta->local->oper_channel->band];
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rate->legacy = sband->bitrates[idx].bitrate;
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} else
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rate->mcs = idx;
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}
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void sta_set_rate_info_tx(struct sta_info *sta,
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const struct ieee80211_tx_rate *rate,
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struct rate_info *rinfo)
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{
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rinfo->flags = 0;
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if (rate->flags & IEEE80211_TX_RC_MCS)
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rinfo->flags |= RATE_INFO_FLAGS_MCS;
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if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
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rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
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if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
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rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
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rate_idx_to_bitrate(rinfo, sta, rate->idx);
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}
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static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
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{
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struct ieee80211_sub_if_data *sdata = sta->sdata;
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struct ieee80211_local *local = sdata->local;
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struct timespec uptime;
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sinfo->generation = sdata->local->sta_generation;
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sinfo->filled = STATION_INFO_INACTIVE_TIME |
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STATION_INFO_RX_BYTES |
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STATION_INFO_TX_BYTES |
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STATION_INFO_RX_PACKETS |
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STATION_INFO_TX_PACKETS |
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STATION_INFO_TX_RETRIES |
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STATION_INFO_TX_FAILED |
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STATION_INFO_TX_BITRATE |
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STATION_INFO_RX_BITRATE |
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STATION_INFO_RX_DROP_MISC |
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STATION_INFO_BSS_PARAM |
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STATION_INFO_CONNECTED_TIME |
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STATION_INFO_STA_FLAGS |
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STATION_INFO_BEACON_LOSS_COUNT;
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do_posix_clock_monotonic_gettime(&uptime);
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sinfo->connected_time = uptime.tv_sec - sta->last_connected;
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sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
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sinfo->rx_bytes = sta->rx_bytes;
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sinfo->tx_bytes = sta->tx_bytes;
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sinfo->rx_packets = sta->rx_packets;
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sinfo->tx_packets = sta->tx_packets;
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sinfo->tx_retries = sta->tx_retry_count;
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sinfo->tx_failed = sta->tx_retry_failed;
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sinfo->rx_dropped_misc = sta->rx_dropped;
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sinfo->beacon_loss_count = sta->beacon_loss_count;
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if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
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(sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
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sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
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if (!local->ops->get_rssi ||
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drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
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sinfo->signal = (s8)sta->last_signal;
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sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
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}
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sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
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sinfo->rxrate.flags = 0;
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if (sta->last_rx_rate_flag & RX_FLAG_HT)
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sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
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if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
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sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
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if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
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sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
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rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
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if (ieee80211_vif_is_mesh(&sdata->vif)) {
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#ifdef CONFIG_MAC80211_MESH
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sinfo->filled |= STATION_INFO_LLID |
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STATION_INFO_PLID |
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STATION_INFO_PLINK_STATE;
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sinfo->llid = le16_to_cpu(sta->llid);
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sinfo->plid = le16_to_cpu(sta->plid);
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sinfo->plink_state = sta->plink_state;
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if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
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sinfo->filled |= STATION_INFO_T_OFFSET;
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sinfo->t_offset = sta->t_offset;
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}
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#endif
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}
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sinfo->bss_param.flags = 0;
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if (sdata->vif.bss_conf.use_cts_prot)
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sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
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if (sdata->vif.bss_conf.use_short_preamble)
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sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
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if (sdata->vif.bss_conf.use_short_slot)
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sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
|
|
sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
|
|
sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
|
|
|
|
sinfo->sta_flags.set = 0;
|
|
sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
|
|
BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
|
|
BIT(NL80211_STA_FLAG_WME) |
|
|
BIT(NL80211_STA_FLAG_MFP) |
|
|
BIT(NL80211_STA_FLAG_AUTHENTICATED) |
|
|
BIT(NL80211_STA_FLAG_TDLS_PEER);
|
|
if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
|
|
if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
|
|
if (test_sta_flag(sta, WLAN_STA_WME))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
|
|
if (test_sta_flag(sta, WLAN_STA_MFP))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
|
|
if (test_sta_flag(sta, WLAN_STA_AUTH))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
|
|
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
|
|
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
|
|
}
|
|
|
|
static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
|
|
"rx_packets", "rx_bytes", "wep_weak_iv_count",
|
|
"rx_duplicates", "rx_fragments", "rx_dropped",
|
|
"tx_packets", "tx_bytes", "tx_fragments",
|
|
"tx_filtered", "tx_retry_failed", "tx_retries",
|
|
"beacon_loss", "sta_state", "txrate", "rxrate", "signal",
|
|
"channel", "noise", "ch_time", "ch_time_busy",
|
|
"ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
|
|
};
|
|
#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
|
|
|
|
static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
int sset)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
int rv = 0;
|
|
|
|
if (sset == ETH_SS_STATS)
|
|
rv += STA_STATS_LEN;
|
|
|
|
rv += drv_get_et_sset_count(sdata, sset);
|
|
|
|
if (rv == 0)
|
|
return -EOPNOTSUPP;
|
|
return rv;
|
|
}
|
|
|
|
static void ieee80211_get_et_stats(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct ethtool_stats *stats,
|
|
u64 *data)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct sta_info *sta;
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct station_info sinfo;
|
|
struct survey_info survey;
|
|
int i, q;
|
|
#define STA_STATS_SURVEY_LEN 7
|
|
|
|
memset(data, 0, sizeof(u64) * STA_STATS_LEN);
|
|
|
|
#define ADD_STA_STATS(sta) \
|
|
do { \
|
|
data[i++] += sta->rx_packets; \
|
|
data[i++] += sta->rx_bytes; \
|
|
data[i++] += sta->wep_weak_iv_count; \
|
|
data[i++] += sta->num_duplicates; \
|
|
data[i++] += sta->rx_fragments; \
|
|
data[i++] += sta->rx_dropped; \
|
|
\
|
|
data[i++] += sta->tx_packets; \
|
|
data[i++] += sta->tx_bytes; \
|
|
data[i++] += sta->tx_fragments; \
|
|
data[i++] += sta->tx_filtered_count; \
|
|
data[i++] += sta->tx_retry_failed; \
|
|
data[i++] += sta->tx_retry_count; \
|
|
data[i++] += sta->beacon_loss_count; \
|
|
} while (0)
|
|
|
|
/* For Managed stations, find the single station based on BSSID
|
|
* and use that. For interface types, iterate through all available
|
|
* stations and add stats for any station that is assigned to this
|
|
* network device.
|
|
*/
|
|
|
|
mutex_lock(&local->sta_mtx);
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
|
|
sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
|
|
|
|
if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
|
|
goto do_survey;
|
|
|
|
i = 0;
|
|
ADD_STA_STATS(sta);
|
|
|
|
data[i++] = sta->sta_state;
|
|
|
|
sinfo.filled = 0;
|
|
sta_set_sinfo(sta, &sinfo);
|
|
|
|
if (sinfo.filled & STATION_INFO_TX_BITRATE)
|
|
data[i] = 100000 *
|
|
cfg80211_calculate_bitrate(&sinfo.txrate);
|
|
i++;
|
|
if (sinfo.filled & STATION_INFO_RX_BITRATE)
|
|
data[i] = 100000 *
|
|
cfg80211_calculate_bitrate(&sinfo.rxrate);
|
|
i++;
|
|
|
|
if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
|
|
data[i] = (u8)sinfo.signal_avg;
|
|
i++;
|
|
} else {
|
|
list_for_each_entry(sta, &local->sta_list, list) {
|
|
/* Make sure this station belongs to the proper dev */
|
|
if (sta->sdata->dev != dev)
|
|
continue;
|
|
|
|
i = 0;
|
|
ADD_STA_STATS(sta);
|
|
}
|
|
}
|
|
|
|
do_survey:
|
|
i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
|
|
/* Get survey stats for current channel */
|
|
q = 0;
|
|
while (true) {
|
|
survey.filled = 0;
|
|
if (drv_get_survey(local, q, &survey) != 0) {
|
|
survey.filled = 0;
|
|
break;
|
|
}
|
|
|
|
if (survey.channel &&
|
|
(local->oper_channel->center_freq ==
|
|
survey.channel->center_freq))
|
|
break;
|
|
q++;
|
|
}
|
|
|
|
if (survey.filled)
|
|
data[i++] = survey.channel->center_freq;
|
|
else
|
|
data[i++] = 0;
|
|
if (survey.filled & SURVEY_INFO_NOISE_DBM)
|
|
data[i++] = (u8)survey.noise;
|
|
else
|
|
data[i++] = -1LL;
|
|
if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
|
|
data[i++] = survey.channel_time;
|
|
else
|
|
data[i++] = -1LL;
|
|
if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
|
|
data[i++] = survey.channel_time_busy;
|
|
else
|
|
data[i++] = -1LL;
|
|
if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
|
|
data[i++] = survey.channel_time_ext_busy;
|
|
else
|
|
data[i++] = -1LL;
|
|
if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
|
|
data[i++] = survey.channel_time_rx;
|
|
else
|
|
data[i++] = -1LL;
|
|
if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
|
|
data[i++] = survey.channel_time_tx;
|
|
else
|
|
data[i++] = -1LL;
|
|
|
|
mutex_unlock(&local->sta_mtx);
|
|
|
|
if (WARN_ON(i != STA_STATS_LEN))
|
|
return;
|
|
|
|
drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
|
|
}
|
|
|
|
static void ieee80211_get_et_strings(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
u32 sset, u8 *data)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
int sz_sta_stats = 0;
|
|
|
|
if (sset == ETH_SS_STATS) {
|
|
sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
|
|
memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
|
|
}
|
|
drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
|
|
}
|
|
|
|
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *mac, struct station_info *sinfo)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct sta_info *sta;
|
|
int ret = -ENOENT;
|
|
|
|
mutex_lock(&local->sta_mtx);
|
|
|
|
sta = sta_info_get_by_idx(sdata, idx);
|
|
if (sta) {
|
|
ret = 0;
|
|
memcpy(mac, sta->sta.addr, ETH_ALEN);
|
|
sta_set_sinfo(sta, sinfo);
|
|
}
|
|
|
|
mutex_unlock(&local->sta_mtx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, struct survey_info *survey)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
return drv_get_survey(local, idx, survey);
|
|
}
|
|
|
|
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_info *sinfo)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct sta_info *sta;
|
|
int ret = -ENOENT;
|
|
|
|
mutex_lock(&local->sta_mtx);
|
|
|
|
sta = sta_info_get_bss(sdata, mac);
|
|
if (sta) {
|
|
ret = 0;
|
|
sta_set_sinfo(sta, sinfo);
|
|
}
|
|
|
|
mutex_unlock(&local->sta_mtx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ieee80211_set_channel(struct wiphy *wiphy,
|
|
struct net_device *netdev,
|
|
struct ieee80211_channel *chan,
|
|
enum nl80211_channel_type channel_type)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = NULL;
|
|
|
|
if (netdev)
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
|
|
|
|
switch (ieee80211_get_channel_mode(local, NULL)) {
|
|
case CHAN_MODE_HOPPING:
|
|
return -EBUSY;
|
|
case CHAN_MODE_FIXED:
|
|
if (local->oper_channel != chan ||
|
|
(!sdata && local->_oper_channel_type != channel_type))
|
|
return -EBUSY;
|
|
if (!sdata && local->_oper_channel_type == channel_type)
|
|
return 0;
|
|
break;
|
|
case CHAN_MODE_UNDEFINED:
|
|
break;
|
|
}
|
|
|
|
if (!ieee80211_set_channel_type(local, sdata, channel_type))
|
|
return -EBUSY;
|
|
|
|
local->oper_channel = chan;
|
|
|
|
/* auto-detects changes */
|
|
ieee80211_hw_config(local, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
|
|
struct ieee80211_channel *chan,
|
|
enum nl80211_channel_type channel_type)
|
|
{
|
|
return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
|
|
}
|
|
|
|
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
|
|
const u8 *resp, size_t resp_len)
|
|
{
|
|
struct probe_resp *new, *old;
|
|
|
|
if (!resp || !resp_len)
|
|
return 1;
|
|
|
|
old = rtnl_dereference(sdata->u.ap.probe_resp);
|
|
|
|
new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
|
|
if (!new)
|
|
return -ENOMEM;
|
|
|
|
new->len = resp_len;
|
|
memcpy(new->data, resp, resp_len);
|
|
|
|
rcu_assign_pointer(sdata->u.ap.probe_resp, new);
|
|
if (old)
|
|
kfree_rcu(old, rcu_head);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
|
|
struct cfg80211_beacon_data *params)
|
|
{
|
|
struct beacon_data *new, *old;
|
|
int new_head_len, new_tail_len;
|
|
int size, err;
|
|
u32 changed = BSS_CHANGED_BEACON;
|
|
|
|
old = rtnl_dereference(sdata->u.ap.beacon);
|
|
|
|
/* Need to have a beacon head if we don't have one yet */
|
|
if (!params->head && !old)
|
|
return -EINVAL;
|
|
|
|
/* new or old head? */
|
|
if (params->head)
|
|
new_head_len = params->head_len;
|
|
else
|
|
new_head_len = old->head_len;
|
|
|
|
/* new or old tail? */
|
|
if (params->tail || !old)
|
|
/* params->tail_len will be zero for !params->tail */
|
|
new_tail_len = params->tail_len;
|
|
else
|
|
new_tail_len = old->tail_len;
|
|
|
|
size = sizeof(*new) + new_head_len + new_tail_len;
|
|
|
|
new = kzalloc(size, GFP_KERNEL);
|
|
if (!new)
|
|
return -ENOMEM;
|
|
|
|
/* start filling the new info now */
|
|
|
|
/*
|
|
* pointers go into the block we allocated,
|
|
* memory is | beacon_data | head | tail |
|
|
*/
|
|
new->head = ((u8 *) new) + sizeof(*new);
|
|
new->tail = new->head + new_head_len;
|
|
new->head_len = new_head_len;
|
|
new->tail_len = new_tail_len;
|
|
|
|
/* copy in head */
|
|
if (params->head)
|
|
memcpy(new->head, params->head, new_head_len);
|
|
else
|
|
memcpy(new->head, old->head, new_head_len);
|
|
|
|
/* copy in optional tail */
|
|
if (params->tail)
|
|
memcpy(new->tail, params->tail, new_tail_len);
|
|
else
|
|
if (old)
|
|
memcpy(new->tail, old->tail, new_tail_len);
|
|
|
|
err = ieee80211_set_probe_resp(sdata, params->probe_resp,
|
|
params->probe_resp_len);
|
|
if (err < 0)
|
|
return err;
|
|
if (err == 0)
|
|
changed |= BSS_CHANGED_AP_PROBE_RESP;
|
|
|
|
rcu_assign_pointer(sdata->u.ap.beacon, new);
|
|
|
|
if (old)
|
|
kfree_rcu(old, rcu_head);
|
|
|
|
return changed;
|
|
}
|
|
|
|
static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_ap_settings *params)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct beacon_data *old;
|
|
struct ieee80211_sub_if_data *vlan;
|
|
u32 changed = BSS_CHANGED_BEACON_INT |
|
|
BSS_CHANGED_BEACON_ENABLED |
|
|
BSS_CHANGED_BEACON |
|
|
BSS_CHANGED_SSID;
|
|
int err;
|
|
|
|
old = rtnl_dereference(sdata->u.ap.beacon);
|
|
if (old)
|
|
return -EALREADY;
|
|
|
|
err = ieee80211_set_channel(wiphy, dev, params->channel,
|
|
params->channel_type);
|
|
if (err)
|
|
return err;
|
|
|
|
/*
|
|
* Apply control port protocol, this allows us to
|
|
* not encrypt dynamic WEP control frames.
|
|
*/
|
|
sdata->control_port_protocol = params->crypto.control_port_ethertype;
|
|
sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
|
|
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
|
|
vlan->control_port_protocol =
|
|
params->crypto.control_port_ethertype;
|
|
vlan->control_port_no_encrypt =
|
|
params->crypto.control_port_no_encrypt;
|
|
}
|
|
|
|
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
|
|
sdata->vif.bss_conf.dtim_period = params->dtim_period;
|
|
|
|
sdata->vif.bss_conf.ssid_len = params->ssid_len;
|
|
if (params->ssid_len)
|
|
memcpy(sdata->vif.bss_conf.ssid, params->ssid,
|
|
params->ssid_len);
|
|
sdata->vif.bss_conf.hidden_ssid =
|
|
(params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
|
|
|
|
err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
|
|
if (err < 0)
|
|
return err;
|
|
changed |= err;
|
|
|
|
ieee80211_bss_info_change_notify(sdata, changed);
|
|
|
|
netif_carrier_on(dev);
|
|
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
|
|
netif_carrier_on(vlan->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_beacon_data *params)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct beacon_data *old;
|
|
int err;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
old = rtnl_dereference(sdata->u.ap.beacon);
|
|
if (!old)
|
|
return -ENOENT;
|
|
|
|
err = ieee80211_assign_beacon(sdata, params);
|
|
if (err < 0)
|
|
return err;
|
|
ieee80211_bss_info_change_notify(sdata, err);
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata, *vlan;
|
|
struct beacon_data *old;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
old = rtnl_dereference(sdata->u.ap.beacon);
|
|
if (!old)
|
|
return -ENOENT;
|
|
|
|
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
|
|
netif_carrier_off(vlan->dev);
|
|
netif_carrier_off(dev);
|
|
|
|
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
|
|
|
|
kfree_rcu(old, rcu_head);
|
|
|
|
sta_info_flush(sdata->local, sdata);
|
|
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
|
|
struct iapp_layer2_update {
|
|
u8 da[ETH_ALEN]; /* broadcast */
|
|
u8 sa[ETH_ALEN]; /* STA addr */
|
|
__be16 len; /* 6 */
|
|
u8 dsap; /* 0 */
|
|
u8 ssap; /* 0 */
|
|
u8 control;
|
|
u8 xid_info[3];
|
|
} __packed;
|
|
|
|
static void ieee80211_send_layer2_update(struct sta_info *sta)
|
|
{
|
|
struct iapp_layer2_update *msg;
|
|
struct sk_buff *skb;
|
|
|
|
/* Send Level 2 Update Frame to update forwarding tables in layer 2
|
|
* bridge devices */
|
|
|
|
skb = dev_alloc_skb(sizeof(*msg));
|
|
if (!skb)
|
|
return;
|
|
msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
|
|
|
|
/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
|
|
* Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
|
|
|
|
eth_broadcast_addr(msg->da);
|
|
memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
|
|
msg->len = htons(6);
|
|
msg->dsap = 0;
|
|
msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
|
|
msg->control = 0xaf; /* XID response lsb.1111F101.
|
|
* F=0 (no poll command; unsolicited frame) */
|
|
msg->xid_info[0] = 0x81; /* XID format identifier */
|
|
msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
|
|
msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
|
|
|
|
skb->dev = sta->sdata->dev;
|
|
skb->protocol = eth_type_trans(skb, sta->sdata->dev);
|
|
memset(skb->cb, 0, sizeof(skb->cb));
|
|
netif_rx_ni(skb);
|
|
}
|
|
|
|
static int sta_apply_parameters(struct ieee80211_local *local,
|
|
struct sta_info *sta,
|
|
struct station_parameters *params)
|
|
{
|
|
int ret = 0;
|
|
u32 rates;
|
|
int i, j;
|
|
struct ieee80211_supported_band *sband;
|
|
struct ieee80211_sub_if_data *sdata = sta->sdata;
|
|
u32 mask, set;
|
|
|
|
sband = local->hw.wiphy->bands[local->oper_channel->band];
|
|
|
|
mask = params->sta_flags_mask;
|
|
set = params->sta_flags_set;
|
|
|
|
/*
|
|
* In mesh mode, we can clear AUTHENTICATED flag but must
|
|
* also make ASSOCIATED follow appropriately for the driver
|
|
* API. See also below, after AUTHORIZED changes.
|
|
*/
|
|
if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
|
|
/* cfg80211 should not allow this in non-mesh modes */
|
|
if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
|
|
return -EINVAL;
|
|
|
|
if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
|
|
!test_sta_flag(sta, WLAN_STA_AUTH)) {
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
|
|
if (ret)
|
|
return ret;
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
|
|
if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
|
|
else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
|
|
/* cfg80211 should not allow this in non-mesh modes */
|
|
if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
|
|
return -EINVAL;
|
|
|
|
if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
|
|
test_sta_flag(sta, WLAN_STA_AUTH)) {
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
|
|
if (ret)
|
|
return ret;
|
|
ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
|
|
if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
|
|
set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
|
|
else
|
|
clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
|
|
}
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_WME)) {
|
|
if (set & BIT(NL80211_STA_FLAG_WME)) {
|
|
set_sta_flag(sta, WLAN_STA_WME);
|
|
sta->sta.wme = true;
|
|
} else {
|
|
clear_sta_flag(sta, WLAN_STA_WME);
|
|
sta->sta.wme = false;
|
|
}
|
|
}
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
|
|
if (set & BIT(NL80211_STA_FLAG_MFP))
|
|
set_sta_flag(sta, WLAN_STA_MFP);
|
|
else
|
|
clear_sta_flag(sta, WLAN_STA_MFP);
|
|
}
|
|
|
|
if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
|
|
if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
|
|
set_sta_flag(sta, WLAN_STA_TDLS_PEER);
|
|
else
|
|
clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
|
|
}
|
|
|
|
if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
|
|
sta->sta.uapsd_queues = params->uapsd_queues;
|
|
sta->sta.max_sp = params->max_sp;
|
|
}
|
|
|
|
/*
|
|
* cfg80211 validates this (1-2007) and allows setting the AID
|
|
* only when creating a new station entry
|
|
*/
|
|
if (params->aid)
|
|
sta->sta.aid = params->aid;
|
|
|
|
/*
|
|
* FIXME: updating the following information is racy when this
|
|
* function is called from ieee80211_change_station().
|
|
* However, all this information should be static so
|
|
* maybe we should just reject attemps to change it.
|
|
*/
|
|
|
|
if (params->listen_interval >= 0)
|
|
sta->listen_interval = params->listen_interval;
|
|
|
|
if (params->supported_rates) {
|
|
rates = 0;
|
|
|
|
for (i = 0; i < params->supported_rates_len; i++) {
|
|
int rate = (params->supported_rates[i] & 0x7f) * 5;
|
|
for (j = 0; j < sband->n_bitrates; j++) {
|
|
if (sband->bitrates[j].bitrate == rate)
|
|
rates |= BIT(j);
|
|
}
|
|
}
|
|
sta->sta.supp_rates[local->oper_channel->band] = rates;
|
|
}
|
|
|
|
if (params->ht_capa)
|
|
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
|
|
params->ht_capa,
|
|
&sta->sta.ht_cap);
|
|
|
|
if (ieee80211_vif_is_mesh(&sdata->vif)) {
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
|
|
switch (params->plink_state) {
|
|
case NL80211_PLINK_LISTEN:
|
|
case NL80211_PLINK_ESTAB:
|
|
case NL80211_PLINK_BLOCKED:
|
|
sta->plink_state = params->plink_state;
|
|
break;
|
|
default:
|
|
/* nothing */
|
|
break;
|
|
}
|
|
else
|
|
switch (params->plink_action) {
|
|
case PLINK_ACTION_OPEN:
|
|
mesh_plink_open(sta);
|
|
break;
|
|
case PLINK_ACTION_BLOCK:
|
|
mesh_plink_block(sta);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_parameters *params)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct sta_info *sta;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
int err;
|
|
int layer2_update;
|
|
|
|
if (params->vlan) {
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
|
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
|
|
sdata->vif.type != NL80211_IFTYPE_AP)
|
|
return -EINVAL;
|
|
} else
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (ether_addr_equal(mac, sdata->vif.addr))
|
|
return -EINVAL;
|
|
|
|
if (is_multicast_ether_addr(mac))
|
|
return -EINVAL;
|
|
|
|
sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
|
|
if (!sta)
|
|
return -ENOMEM;
|
|
|
|
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
|
|
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
|
|
|
|
err = sta_apply_parameters(local, sta, params);
|
|
if (err) {
|
|
sta_info_free(local, sta);
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* for TDLS, rate control should be initialized only when supported
|
|
* rates are known.
|
|
*/
|
|
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
|
|
rate_control_rate_init(sta);
|
|
|
|
layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
|
|
sdata->vif.type == NL80211_IFTYPE_AP;
|
|
|
|
err = sta_info_insert_rcu(sta);
|
|
if (err) {
|
|
rcu_read_unlock();
|
|
return err;
|
|
}
|
|
|
|
if (layer2_update)
|
|
ieee80211_send_layer2_update(sta);
|
|
|
|
rcu_read_unlock();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (mac)
|
|
return sta_info_destroy_addr_bss(sdata, mac);
|
|
|
|
sta_info_flush(local, sdata);
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_change_station(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
u8 *mac,
|
|
struct station_parameters *params)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct sta_info *sta;
|
|
struct ieee80211_sub_if_data *vlansdata;
|
|
int err;
|
|
|
|
mutex_lock(&local->sta_mtx);
|
|
|
|
sta = sta_info_get_bss(sdata, mac);
|
|
if (!sta) {
|
|
mutex_unlock(&local->sta_mtx);
|
|
return -ENOENT;
|
|
}
|
|
|
|
/* in station mode, supported rates are only valid with TDLS */
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
|
|
params->supported_rates &&
|
|
!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
|
|
mutex_unlock(&local->sta_mtx);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (params->vlan && params->vlan != sta->sdata->dev) {
|
|
bool prev_4addr = false;
|
|
bool new_4addr = false;
|
|
|
|
vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
|
|
|
|
if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
|
|
vlansdata->vif.type != NL80211_IFTYPE_AP) {
|
|
mutex_unlock(&local->sta_mtx);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (params->vlan->ieee80211_ptr->use_4addr) {
|
|
if (vlansdata->u.vlan.sta) {
|
|
mutex_unlock(&local->sta_mtx);
|
|
return -EBUSY;
|
|
}
|
|
|
|
rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
|
|
new_4addr = true;
|
|
}
|
|
|
|
if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
|
|
sta->sdata->u.vlan.sta) {
|
|
rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
|
|
prev_4addr = true;
|
|
}
|
|
|
|
sta->sdata = vlansdata;
|
|
|
|
if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
|
|
prev_4addr != new_4addr) {
|
|
if (new_4addr)
|
|
atomic_dec(&sta->sdata->bss->num_mcast_sta);
|
|
else
|
|
atomic_inc(&sta->sdata->bss->num_mcast_sta);
|
|
}
|
|
|
|
ieee80211_send_layer2_update(sta);
|
|
}
|
|
|
|
err = sta_apply_parameters(local, sta, params);
|
|
if (err) {
|
|
mutex_unlock(&local->sta_mtx);
|
|
return err;
|
|
}
|
|
|
|
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
|
|
rate_control_rate_init(sta);
|
|
|
|
mutex_unlock(&local->sta_mtx);
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
|
|
params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
|
|
ieee80211_recalc_ps(local, -1);
|
|
ieee80211_recalc_ps_vif(sdata);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst, u8 *next_hop)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct mesh_path *mpath;
|
|
struct sta_info *sta;
|
|
int err;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
rcu_read_lock();
|
|
sta = sta_info_get(sdata, next_hop);
|
|
if (!sta) {
|
|
rcu_read_unlock();
|
|
return -ENOENT;
|
|
}
|
|
|
|
err = mesh_path_add(dst, sdata);
|
|
if (err) {
|
|
rcu_read_unlock();
|
|
return err;
|
|
}
|
|
|
|
mpath = mesh_path_lookup(dst, sdata);
|
|
if (!mpath) {
|
|
rcu_read_unlock();
|
|
return -ENXIO;
|
|
}
|
|
mesh_path_fix_nexthop(mpath, sta);
|
|
|
|
rcu_read_unlock();
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (dst)
|
|
return mesh_path_del(dst, sdata);
|
|
|
|
mesh_path_flush_by_iface(sdata);
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_change_mpath(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
u8 *dst, u8 *next_hop)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct mesh_path *mpath;
|
|
struct sta_info *sta;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
rcu_read_lock();
|
|
|
|
sta = sta_info_get(sdata, next_hop);
|
|
if (!sta) {
|
|
rcu_read_unlock();
|
|
return -ENOENT;
|
|
}
|
|
|
|
mpath = mesh_path_lookup(dst, sdata);
|
|
if (!mpath) {
|
|
rcu_read_unlock();
|
|
return -ENOENT;
|
|
}
|
|
|
|
mesh_path_fix_nexthop(mpath, sta);
|
|
|
|
rcu_read_unlock();
|
|
return 0;
|
|
}
|
|
|
|
static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
|
|
struct mpath_info *pinfo)
|
|
{
|
|
struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
|
|
|
|
if (next_hop_sta)
|
|
memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
|
|
else
|
|
memset(next_hop, 0, ETH_ALEN);
|
|
|
|
memset(pinfo, 0, sizeof(*pinfo));
|
|
|
|
pinfo->generation = mesh_paths_generation;
|
|
|
|
pinfo->filled = MPATH_INFO_FRAME_QLEN |
|
|
MPATH_INFO_SN |
|
|
MPATH_INFO_METRIC |
|
|
MPATH_INFO_EXPTIME |
|
|
MPATH_INFO_DISCOVERY_TIMEOUT |
|
|
MPATH_INFO_DISCOVERY_RETRIES |
|
|
MPATH_INFO_FLAGS;
|
|
|
|
pinfo->frame_qlen = mpath->frame_queue.qlen;
|
|
pinfo->sn = mpath->sn;
|
|
pinfo->metric = mpath->metric;
|
|
if (time_before(jiffies, mpath->exp_time))
|
|
pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
|
|
pinfo->discovery_timeout =
|
|
jiffies_to_msecs(mpath->discovery_timeout);
|
|
pinfo->discovery_retries = mpath->discovery_retries;
|
|
if (mpath->flags & MESH_PATH_ACTIVE)
|
|
pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
|
|
if (mpath->flags & MESH_PATH_RESOLVING)
|
|
pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
|
|
if (mpath->flags & MESH_PATH_SN_VALID)
|
|
pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
|
|
if (mpath->flags & MESH_PATH_FIXED)
|
|
pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
|
|
if (mpath->flags & MESH_PATH_RESOLVED)
|
|
pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
|
|
}
|
|
|
|
static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
|
|
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct mesh_path *mpath;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
rcu_read_lock();
|
|
mpath = mesh_path_lookup(dst, sdata);
|
|
if (!mpath) {
|
|
rcu_read_unlock();
|
|
return -ENOENT;
|
|
}
|
|
memcpy(dst, mpath->dst, ETH_ALEN);
|
|
mpath_set_pinfo(mpath, next_hop, pinfo);
|
|
rcu_read_unlock();
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *dst, u8 *next_hop,
|
|
struct mpath_info *pinfo)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct mesh_path *mpath;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
rcu_read_lock();
|
|
mpath = mesh_path_lookup_by_idx(idx, sdata);
|
|
if (!mpath) {
|
|
rcu_read_unlock();
|
|
return -ENOENT;
|
|
}
|
|
memcpy(dst, mpath->dst, ETH_ALEN);
|
|
mpath_set_pinfo(mpath, next_hop, pinfo);
|
|
rcu_read_unlock();
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_get_mesh_config(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct mesh_config *conf)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
|
|
return 0;
|
|
}
|
|
|
|
static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
|
|
{
|
|
return (mask >> (parm-1)) & 0x1;
|
|
}
|
|
|
|
static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
|
|
const struct mesh_setup *setup)
|
|
{
|
|
u8 *new_ie;
|
|
const u8 *old_ie;
|
|
struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
|
|
struct ieee80211_sub_if_data, u.mesh);
|
|
|
|
/* allocate information elements */
|
|
new_ie = NULL;
|
|
old_ie = ifmsh->ie;
|
|
|
|
if (setup->ie_len) {
|
|
new_ie = kmemdup(setup->ie, setup->ie_len,
|
|
GFP_KERNEL);
|
|
if (!new_ie)
|
|
return -ENOMEM;
|
|
}
|
|
ifmsh->ie_len = setup->ie_len;
|
|
ifmsh->ie = new_ie;
|
|
kfree(old_ie);
|
|
|
|
/* now copy the rest of the setup parameters */
|
|
ifmsh->mesh_id_len = setup->mesh_id_len;
|
|
memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
|
|
ifmsh->mesh_sp_id = setup->sync_method;
|
|
ifmsh->mesh_pp_id = setup->path_sel_proto;
|
|
ifmsh->mesh_pm_id = setup->path_metric;
|
|
ifmsh->security = IEEE80211_MESH_SEC_NONE;
|
|
if (setup->is_authenticated)
|
|
ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
|
|
if (setup->is_secure)
|
|
ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
|
|
|
|
/* mcast rate setting in Mesh Node */
|
|
memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
|
|
sizeof(setup->mcast_rate));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_update_mesh_config(struct wiphy *wiphy,
|
|
struct net_device *dev, u32 mask,
|
|
const struct mesh_config *nconf)
|
|
{
|
|
struct mesh_config *conf;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct ieee80211_if_mesh *ifmsh;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
ifmsh = &sdata->u.mesh;
|
|
|
|
/* Set the config options which we are interested in setting */
|
|
conf = &(sdata->u.mesh.mshcfg);
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
|
|
conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
|
|
conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
|
|
conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
|
|
conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
|
|
conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
|
|
conf->dot11MeshTTL = nconf->dot11MeshTTL;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
|
|
conf->element_ttl = nconf->element_ttl;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
|
|
conf->auto_open_plinks = nconf->auto_open_plinks;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
|
|
conf->dot11MeshNbrOffsetMaxNeighbor =
|
|
nconf->dot11MeshNbrOffsetMaxNeighbor;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
|
|
conf->dot11MeshHWMPmaxPREQretries =
|
|
nconf->dot11MeshHWMPmaxPREQretries;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
|
|
conf->path_refresh_time = nconf->path_refresh_time;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
|
|
conf->min_discovery_timeout = nconf->min_discovery_timeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
|
|
conf->dot11MeshHWMPactivePathTimeout =
|
|
nconf->dot11MeshHWMPactivePathTimeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
|
|
conf->dot11MeshHWMPpreqMinInterval =
|
|
nconf->dot11MeshHWMPpreqMinInterval;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
|
|
conf->dot11MeshHWMPperrMinInterval =
|
|
nconf->dot11MeshHWMPperrMinInterval;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
|
|
mask))
|
|
conf->dot11MeshHWMPnetDiameterTraversalTime =
|
|
nconf->dot11MeshHWMPnetDiameterTraversalTime;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
|
|
conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
|
|
ieee80211_mesh_root_setup(ifmsh);
|
|
}
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
|
|
/* our current gate announcement implementation rides on root
|
|
* announcements, so require this ifmsh to also be a root node
|
|
* */
|
|
if (nconf->dot11MeshGateAnnouncementProtocol &&
|
|
!(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
|
|
conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
|
|
ieee80211_mesh_root_setup(ifmsh);
|
|
}
|
|
conf->dot11MeshGateAnnouncementProtocol =
|
|
nconf->dot11MeshGateAnnouncementProtocol;
|
|
}
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
|
|
conf->dot11MeshHWMPRannInterval =
|
|
nconf->dot11MeshHWMPRannInterval;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
|
|
conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
|
|
/* our RSSI threshold implementation is supported only for
|
|
* devices that report signal in dBm.
|
|
*/
|
|
if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
|
|
return -ENOTSUPP;
|
|
conf->rssi_threshold = nconf->rssi_threshold;
|
|
}
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
|
|
conf->ht_opmode = nconf->ht_opmode;
|
|
sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
|
|
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
|
|
}
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
|
|
conf->dot11MeshHWMPactivePathToRootTimeout =
|
|
nconf->dot11MeshHWMPactivePathToRootTimeout;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
|
|
conf->dot11MeshHWMProotInterval =
|
|
nconf->dot11MeshHWMProotInterval;
|
|
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
|
|
conf->dot11MeshHWMPconfirmationInterval =
|
|
nconf->dot11MeshHWMPconfirmationInterval;
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
|
|
const struct mesh_config *conf,
|
|
const struct mesh_setup *setup)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
|
|
int err;
|
|
|
|
memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
|
|
err = copy_mesh_setup(ifmsh, setup);
|
|
if (err)
|
|
return err;
|
|
|
|
err = ieee80211_set_channel(wiphy, dev, setup->channel,
|
|
setup->channel_type);
|
|
if (err)
|
|
return err;
|
|
|
|
ieee80211_start_mesh(sdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
ieee80211_stop_mesh(sdata);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int ieee80211_change_bss(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct bss_parameters *params)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
u32 changed = 0;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (params->use_cts_prot >= 0) {
|
|
sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
|
|
changed |= BSS_CHANGED_ERP_CTS_PROT;
|
|
}
|
|
if (params->use_short_preamble >= 0) {
|
|
sdata->vif.bss_conf.use_short_preamble =
|
|
params->use_short_preamble;
|
|
changed |= BSS_CHANGED_ERP_PREAMBLE;
|
|
}
|
|
|
|
if (!sdata->vif.bss_conf.use_short_slot &&
|
|
sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
|
|
sdata->vif.bss_conf.use_short_slot = true;
|
|
changed |= BSS_CHANGED_ERP_SLOT;
|
|
}
|
|
|
|
if (params->use_short_slot_time >= 0) {
|
|
sdata->vif.bss_conf.use_short_slot =
|
|
params->use_short_slot_time;
|
|
changed |= BSS_CHANGED_ERP_SLOT;
|
|
}
|
|
|
|
if (params->basic_rates) {
|
|
int i, j;
|
|
u32 rates = 0;
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_supported_band *sband =
|
|
wiphy->bands[local->oper_channel->band];
|
|
|
|
for (i = 0; i < params->basic_rates_len; i++) {
|
|
int rate = (params->basic_rates[i] & 0x7f) * 5;
|
|
for (j = 0; j < sband->n_bitrates; j++) {
|
|
if (sband->bitrates[j].bitrate == rate)
|
|
rates |= BIT(j);
|
|
}
|
|
}
|
|
sdata->vif.bss_conf.basic_rates = rates;
|
|
changed |= BSS_CHANGED_BASIC_RATES;
|
|
}
|
|
|
|
if (params->ap_isolate >= 0) {
|
|
if (params->ap_isolate)
|
|
sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
|
|
else
|
|
sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
|
|
}
|
|
|
|
if (params->ht_opmode >= 0) {
|
|
sdata->vif.bss_conf.ht_operation_mode =
|
|
(u16) params->ht_opmode;
|
|
changed |= BSS_CHANGED_HT;
|
|
}
|
|
|
|
ieee80211_bss_info_change_notify(sdata, changed);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_txq_params(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct ieee80211_txq_params *params)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_tx_queue_params p;
|
|
|
|
if (!local->ops->conf_tx)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (local->hw.queues < IEEE80211_NUM_ACS)
|
|
return -EOPNOTSUPP;
|
|
|
|
memset(&p, 0, sizeof(p));
|
|
p.aifs = params->aifs;
|
|
p.cw_max = params->cwmax;
|
|
p.cw_min = params->cwmin;
|
|
p.txop = params->txop;
|
|
|
|
/*
|
|
* Setting tx queue params disables u-apsd because it's only
|
|
* called in master mode.
|
|
*/
|
|
p.uapsd = false;
|
|
|
|
sdata->tx_conf[params->ac] = p;
|
|
if (drv_conf_tx(local, sdata, params->ac, &p)) {
|
|
wiphy_debug(local->hw.wiphy,
|
|
"failed to set TX queue parameters for AC %d\n",
|
|
params->ac);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int ieee80211_suspend(struct wiphy *wiphy,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
|
|
}
|
|
|
|
static int ieee80211_resume(struct wiphy *wiphy)
|
|
{
|
|
return __ieee80211_resume(wiphy_priv(wiphy));
|
|
}
|
|
#else
|
|
#define ieee80211_suspend NULL
|
|
#define ieee80211_resume NULL
|
|
#endif
|
|
|
|
static int ieee80211_scan(struct wiphy *wiphy,
|
|
struct cfg80211_scan_request *req)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
|
|
|
|
switch (ieee80211_vif_type_p2p(&sdata->vif)) {
|
|
case NL80211_IFTYPE_STATION:
|
|
case NL80211_IFTYPE_ADHOC:
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
case NL80211_IFTYPE_P2P_CLIENT:
|
|
case NL80211_IFTYPE_P2P_DEVICE:
|
|
break;
|
|
case NL80211_IFTYPE_P2P_GO:
|
|
if (sdata->local->ops->hw_scan)
|
|
break;
|
|
/*
|
|
* FIXME: implement NoA while scanning in software,
|
|
* for now fall through to allow scanning only when
|
|
* beaconing hasn't been configured yet
|
|
*/
|
|
case NL80211_IFTYPE_AP:
|
|
if (sdata->u.ap.beacon)
|
|
return -EOPNOTSUPP;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return ieee80211_request_scan(sdata, req);
|
|
}
|
|
|
|
static int
|
|
ieee80211_sched_scan_start(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct cfg80211_sched_scan_request *req)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (!sdata->local->ops->sched_scan_start)
|
|
return -EOPNOTSUPP;
|
|
|
|
return ieee80211_request_sched_scan_start(sdata, req);
|
|
}
|
|
|
|
static int
|
|
ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (!sdata->local->ops->sched_scan_stop)
|
|
return -EOPNOTSUPP;
|
|
|
|
return ieee80211_request_sched_scan_stop(sdata);
|
|
}
|
|
|
|
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_auth_request *req)
|
|
{
|
|
return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
|
|
}
|
|
|
|
static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_assoc_request *req)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
switch (ieee80211_get_channel_mode(local, sdata)) {
|
|
case CHAN_MODE_HOPPING:
|
|
return -EBUSY;
|
|
case CHAN_MODE_FIXED:
|
|
if (local->oper_channel == req->bss->channel)
|
|
break;
|
|
return -EBUSY;
|
|
case CHAN_MODE_UNDEFINED:
|
|
break;
|
|
}
|
|
|
|
return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
|
|
}
|
|
|
|
static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_deauth_request *req)
|
|
{
|
|
return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
|
|
}
|
|
|
|
static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_disassoc_request *req)
|
|
{
|
|
return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
|
|
}
|
|
|
|
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_ibss_params *params)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
switch (ieee80211_get_channel_mode(local, sdata)) {
|
|
case CHAN_MODE_HOPPING:
|
|
return -EBUSY;
|
|
case CHAN_MODE_FIXED:
|
|
if (!params->channel_fixed)
|
|
return -EBUSY;
|
|
if (local->oper_channel == params->channel)
|
|
break;
|
|
return -EBUSY;
|
|
case CHAN_MODE_UNDEFINED:
|
|
break;
|
|
}
|
|
|
|
return ieee80211_ibss_join(sdata, params);
|
|
}
|
|
|
|
static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
return ieee80211_ibss_leave(sdata);
|
|
}
|
|
|
|
static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
int err;
|
|
|
|
if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
|
|
err = drv_set_frag_threshold(local, wiphy->frag_threshold);
|
|
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
|
|
err = drv_set_coverage_class(local, wiphy->coverage_class);
|
|
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
|
|
err = drv_set_rts_threshold(local, wiphy->rts_threshold);
|
|
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (changed & WIPHY_PARAM_RETRY_SHORT)
|
|
local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
|
|
if (changed & WIPHY_PARAM_RETRY_LONG)
|
|
local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
|
|
if (changed &
|
|
(WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
|
|
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_tx_power(struct wiphy *wiphy,
|
|
enum nl80211_tx_power_setting type, int mbm)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_channel *chan = local->oper_channel;
|
|
u32 changes = 0;
|
|
|
|
switch (type) {
|
|
case NL80211_TX_POWER_AUTOMATIC:
|
|
local->user_power_level = -1;
|
|
break;
|
|
case NL80211_TX_POWER_LIMITED:
|
|
if (mbm < 0 || (mbm % 100))
|
|
return -EOPNOTSUPP;
|
|
local->user_power_level = MBM_TO_DBM(mbm);
|
|
break;
|
|
case NL80211_TX_POWER_FIXED:
|
|
if (mbm < 0 || (mbm % 100))
|
|
return -EOPNOTSUPP;
|
|
/* TODO: move to cfg80211 when it knows the channel */
|
|
if (MBM_TO_DBM(mbm) > chan->max_power)
|
|
return -EINVAL;
|
|
local->user_power_level = MBM_TO_DBM(mbm);
|
|
break;
|
|
}
|
|
|
|
ieee80211_hw_config(local, changes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
*dbm = local->hw.conf.power_level;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
|
|
const u8 *addr)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ieee80211_rfkill_poll(struct wiphy *wiphy)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
drv_rfkill_poll(local);
|
|
}
|
|
|
|
#ifdef CONFIG_NL80211_TESTMODE
|
|
static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
if (!local->ops->testmode_cmd)
|
|
return -EOPNOTSUPP;
|
|
|
|
return local->ops->testmode_cmd(&local->hw, data, len);
|
|
}
|
|
|
|
static int ieee80211_testmode_dump(struct wiphy *wiphy,
|
|
struct sk_buff *skb,
|
|
struct netlink_callback *cb,
|
|
void *data, int len)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
if (!local->ops->testmode_dump)
|
|
return -EOPNOTSUPP;
|
|
|
|
return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
|
|
}
|
|
#endif
|
|
|
|
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
|
|
enum ieee80211_smps_mode smps_mode)
|
|
{
|
|
const u8 *ap;
|
|
enum ieee80211_smps_mode old_req;
|
|
int err;
|
|
|
|
lockdep_assert_held(&sdata->u.mgd.mtx);
|
|
|
|
old_req = sdata->u.mgd.req_smps;
|
|
sdata->u.mgd.req_smps = smps_mode;
|
|
|
|
if (old_req == smps_mode &&
|
|
smps_mode != IEEE80211_SMPS_AUTOMATIC)
|
|
return 0;
|
|
|
|
/*
|
|
* If not associated, or current association is not an HT
|
|
* association, there's no need to send an action frame.
|
|
*/
|
|
if (!sdata->u.mgd.associated ||
|
|
sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
|
|
ieee80211_recalc_smps(sdata->local);
|
|
return 0;
|
|
}
|
|
|
|
ap = sdata->u.mgd.associated->bssid;
|
|
|
|
if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
|
|
if (sdata->u.mgd.powersave)
|
|
smps_mode = IEEE80211_SMPS_DYNAMIC;
|
|
else
|
|
smps_mode = IEEE80211_SMPS_OFF;
|
|
}
|
|
|
|
/* send SM PS frame to AP */
|
|
err = ieee80211_send_smps_action(sdata, smps_mode,
|
|
ap, ap);
|
|
if (err)
|
|
sdata->u.mgd.req_smps = old_req;
|
|
|
|
return err;
|
|
}
|
|
|
|
static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
|
|
bool enabled, int timeout)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (enabled == sdata->u.mgd.powersave &&
|
|
timeout == local->dynamic_ps_forced_timeout)
|
|
return 0;
|
|
|
|
sdata->u.mgd.powersave = enabled;
|
|
local->dynamic_ps_forced_timeout = timeout;
|
|
|
|
/* no change, but if automatic follow powersave */
|
|
mutex_lock(&sdata->u.mgd.mtx);
|
|
__ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
|
|
mutex_unlock(&sdata->u.mgd.mtx);
|
|
|
|
if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
|
|
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
|
|
|
|
ieee80211_recalc_ps(local, -1);
|
|
ieee80211_recalc_ps_vif(sdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
s32 rssi_thold, u32 rssi_hyst)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_vif *vif = &sdata->vif;
|
|
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
|
|
|
|
if (rssi_thold == bss_conf->cqm_rssi_thold &&
|
|
rssi_hyst == bss_conf->cqm_rssi_hyst)
|
|
return 0;
|
|
|
|
bss_conf->cqm_rssi_thold = rssi_thold;
|
|
bss_conf->cqm_rssi_hyst = rssi_hyst;
|
|
|
|
/* tell the driver upon association, unless already associated */
|
|
if (sdata->u.mgd.associated &&
|
|
sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
|
|
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
const u8 *addr,
|
|
const struct cfg80211_bitrate_mask *mask)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
int i, ret;
|
|
|
|
if (!ieee80211_sdata_running(sdata))
|
|
return -ENETDOWN;
|
|
|
|
if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
|
|
ret = drv_set_bitrate_mask(local, sdata, mask);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
|
|
sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
|
|
memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
|
|
sizeof(mask->control[i].mcs));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_start_roc_work(struct ieee80211_local *local,
|
|
struct ieee80211_sub_if_data *sdata,
|
|
struct ieee80211_channel *channel,
|
|
enum nl80211_channel_type channel_type,
|
|
unsigned int duration, u64 *cookie,
|
|
struct sk_buff *txskb)
|
|
{
|
|
struct ieee80211_roc_work *roc, *tmp;
|
|
bool queued = false;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&local->mtx);
|
|
|
|
roc = kzalloc(sizeof(*roc), GFP_KERNEL);
|
|
if (!roc)
|
|
return -ENOMEM;
|
|
|
|
roc->chan = channel;
|
|
roc->chan_type = channel_type;
|
|
roc->duration = duration;
|
|
roc->req_duration = duration;
|
|
roc->frame = txskb;
|
|
roc->mgmt_tx_cookie = (unsigned long)txskb;
|
|
roc->sdata = sdata;
|
|
INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
|
|
INIT_LIST_HEAD(&roc->dependents);
|
|
|
|
/* if there's one pending or we're scanning, queue this one */
|
|
if (!list_empty(&local->roc_list) || local->scanning)
|
|
goto out_check_combine;
|
|
|
|
/* if not HW assist, just queue & schedule work */
|
|
if (!local->ops->remain_on_channel) {
|
|
ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
|
|
goto out_queue;
|
|
}
|
|
|
|
/* otherwise actually kick it off here (for error handling) */
|
|
|
|
/*
|
|
* If the duration is zero, then the driver
|
|
* wouldn't actually do anything. Set it to
|
|
* 10 for now.
|
|
*
|
|
* TODO: cancel the off-channel operation
|
|
* when we get the SKB's TX status and
|
|
* the wait time was zero before.
|
|
*/
|
|
if (!duration)
|
|
duration = 10;
|
|
|
|
ret = drv_remain_on_channel(local, channel, channel_type, duration);
|
|
if (ret) {
|
|
kfree(roc);
|
|
return ret;
|
|
}
|
|
|
|
roc->started = true;
|
|
goto out_queue;
|
|
|
|
out_check_combine:
|
|
list_for_each_entry(tmp, &local->roc_list, list) {
|
|
if (tmp->chan != channel || tmp->chan_type != channel_type)
|
|
continue;
|
|
|
|
/*
|
|
* Extend this ROC if possible:
|
|
*
|
|
* If it hasn't started yet, just increase the duration
|
|
* and add the new one to the list of dependents.
|
|
*/
|
|
if (!tmp->started) {
|
|
list_add_tail(&roc->list, &tmp->dependents);
|
|
tmp->duration = max(tmp->duration, roc->duration);
|
|
queued = true;
|
|
break;
|
|
}
|
|
|
|
/* If it has already started, it's more difficult ... */
|
|
if (local->ops->remain_on_channel) {
|
|
unsigned long j = jiffies;
|
|
|
|
/*
|
|
* In the offloaded ROC case, if it hasn't begun, add
|
|
* this new one to the dependent list to be handled
|
|
* when the the master one begins. If it has begun,
|
|
* check that there's still a minimum time left and
|
|
* if so, start this one, transmitting the frame, but
|
|
* add it to the list directly after this one with a
|
|
* a reduced time so we'll ask the driver to execute
|
|
* it right after finishing the previous one, in the
|
|
* hope that it'll also be executed right afterwards,
|
|
* effectively extending the old one.
|
|
* If there's no minimum time left, just add it to the
|
|
* normal list.
|
|
*/
|
|
if (!tmp->hw_begun) {
|
|
list_add_tail(&roc->list, &tmp->dependents);
|
|
queued = true;
|
|
break;
|
|
}
|
|
|
|
if (time_before(j + IEEE80211_ROC_MIN_LEFT,
|
|
tmp->hw_start_time +
|
|
msecs_to_jiffies(tmp->duration))) {
|
|
int new_dur;
|
|
|
|
ieee80211_handle_roc_started(roc);
|
|
|
|
new_dur = roc->duration -
|
|
jiffies_to_msecs(tmp->hw_start_time +
|
|
msecs_to_jiffies(
|
|
tmp->duration) -
|
|
j);
|
|
|
|
if (new_dur > 0) {
|
|
/* add right after tmp */
|
|
list_add(&roc->list, &tmp->list);
|
|
} else {
|
|
list_add_tail(&roc->list,
|
|
&tmp->dependents);
|
|
}
|
|
queued = true;
|
|
}
|
|
} else if (del_timer_sync(&tmp->work.timer)) {
|
|
unsigned long new_end;
|
|
|
|
/*
|
|
* In the software ROC case, cancel the timer, if
|
|
* that fails then the finish work is already
|
|
* queued/pending and thus we queue the new ROC
|
|
* normally, if that succeeds then we can extend
|
|
* the timer duration and TX the frame (if any.)
|
|
*/
|
|
|
|
list_add_tail(&roc->list, &tmp->dependents);
|
|
queued = true;
|
|
|
|
new_end = jiffies + msecs_to_jiffies(roc->duration);
|
|
|
|
/* ok, it was started & we canceled timer */
|
|
if (time_after(new_end, tmp->work.timer.expires))
|
|
mod_timer(&tmp->work.timer, new_end);
|
|
else
|
|
add_timer(&tmp->work.timer);
|
|
|
|
ieee80211_handle_roc_started(roc);
|
|
}
|
|
break;
|
|
}
|
|
|
|
out_queue:
|
|
if (!queued)
|
|
list_add_tail(&roc->list, &local->roc_list);
|
|
|
|
/*
|
|
* cookie is either the roc (for normal roc)
|
|
* or the SKB (for mgmt TX)
|
|
*/
|
|
if (txskb)
|
|
*cookie = (unsigned long)txskb;
|
|
else
|
|
*cookie = (unsigned long)roc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_remain_on_channel(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
struct ieee80211_channel *chan,
|
|
enum nl80211_channel_type channel_type,
|
|
unsigned int duration,
|
|
u64 *cookie)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
int ret;
|
|
|
|
mutex_lock(&local->mtx);
|
|
ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
|
|
duration, cookie, NULL);
|
|
mutex_unlock(&local->mtx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ieee80211_cancel_roc(struct ieee80211_local *local,
|
|
u64 cookie, bool mgmt_tx)
|
|
{
|
|
struct ieee80211_roc_work *roc, *tmp, *found = NULL;
|
|
int ret;
|
|
|
|
mutex_lock(&local->mtx);
|
|
list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
|
|
struct ieee80211_roc_work *dep, *tmp2;
|
|
|
|
list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
|
|
if (!mgmt_tx && (unsigned long)dep != cookie)
|
|
continue;
|
|
else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
|
|
continue;
|
|
/* found dependent item -- just remove it */
|
|
list_del(&dep->list);
|
|
mutex_unlock(&local->mtx);
|
|
|
|
ieee80211_roc_notify_destroy(dep);
|
|
return 0;
|
|
}
|
|
|
|
if (!mgmt_tx && (unsigned long)roc != cookie)
|
|
continue;
|
|
else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
|
|
continue;
|
|
|
|
found = roc;
|
|
break;
|
|
}
|
|
|
|
if (!found) {
|
|
mutex_unlock(&local->mtx);
|
|
return -ENOENT;
|
|
}
|
|
|
|
/*
|
|
* We found the item to cancel, so do that. Note that it
|
|
* may have dependents, which we also cancel (and send
|
|
* the expired signal for.) Not doing so would be quite
|
|
* tricky here, but we may need to fix it later.
|
|
*/
|
|
|
|
if (local->ops->remain_on_channel) {
|
|
if (found->started) {
|
|
ret = drv_cancel_remain_on_channel(local);
|
|
if (WARN_ON_ONCE(ret)) {
|
|
mutex_unlock(&local->mtx);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
list_del(&found->list);
|
|
|
|
if (found->started)
|
|
ieee80211_start_next_roc(local);
|
|
mutex_unlock(&local->mtx);
|
|
|
|
ieee80211_roc_notify_destroy(found);
|
|
} else {
|
|
/* work may be pending so use it all the time */
|
|
found->abort = true;
|
|
ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
|
|
|
|
mutex_unlock(&local->mtx);
|
|
|
|
/* work will clean up etc */
|
|
flush_delayed_work(&found->work);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
u64 cookie)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
|
|
return ieee80211_cancel_roc(local, cookie, false);
|
|
}
|
|
|
|
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
|
|
struct ieee80211_channel *chan, bool offchan,
|
|
enum nl80211_channel_type channel_type,
|
|
bool channel_type_valid, unsigned int wait,
|
|
const u8 *buf, size_t len, bool no_cck,
|
|
bool dont_wait_for_ack, u64 *cookie)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct sk_buff *skb;
|
|
struct sta_info *sta;
|
|
const struct ieee80211_mgmt *mgmt = (void *)buf;
|
|
bool need_offchan = false;
|
|
u32 flags;
|
|
int ret;
|
|
|
|
if (dont_wait_for_ack)
|
|
flags = IEEE80211_TX_CTL_NO_ACK;
|
|
else
|
|
flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
|
|
IEEE80211_TX_CTL_REQ_TX_STATUS;
|
|
|
|
if (no_cck)
|
|
flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
|
|
|
|
switch (sdata->vif.type) {
|
|
case NL80211_IFTYPE_ADHOC:
|
|
if (!sdata->vif.bss_conf.ibss_joined)
|
|
need_offchan = true;
|
|
/* fall through */
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
if (ieee80211_vif_is_mesh(&sdata->vif) &&
|
|
!sdata->u.mesh.mesh_id_len)
|
|
need_offchan = true;
|
|
/* fall through */
|
|
#endif
|
|
case NL80211_IFTYPE_AP:
|
|
case NL80211_IFTYPE_AP_VLAN:
|
|
case NL80211_IFTYPE_P2P_GO:
|
|
if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
|
|
!ieee80211_vif_is_mesh(&sdata->vif) &&
|
|
!rcu_access_pointer(sdata->bss->beacon))
|
|
need_offchan = true;
|
|
if (!ieee80211_is_action(mgmt->frame_control) ||
|
|
mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
|
|
break;
|
|
rcu_read_lock();
|
|
sta = sta_info_get(sdata, mgmt->da);
|
|
rcu_read_unlock();
|
|
if (!sta)
|
|
return -ENOLINK;
|
|
break;
|
|
case NL80211_IFTYPE_STATION:
|
|
case NL80211_IFTYPE_P2P_CLIENT:
|
|
if (!sdata->u.mgd.associated)
|
|
need_offchan = true;
|
|
break;
|
|
case NL80211_IFTYPE_P2P_DEVICE:
|
|
need_offchan = true;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
mutex_lock(&local->mtx);
|
|
|
|
/* Check if the operating channel is the requested channel */
|
|
if (!need_offchan) {
|
|
need_offchan = chan != local->oper_channel;
|
|
if (channel_type_valid &&
|
|
channel_type != local->_oper_channel_type)
|
|
need_offchan = true;
|
|
}
|
|
|
|
if (need_offchan && !offchan) {
|
|
ret = -EBUSY;
|
|
goto out_unlock;
|
|
}
|
|
|
|
skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
|
|
if (!skb) {
|
|
ret = -ENOMEM;
|
|
goto out_unlock;
|
|
}
|
|
skb_reserve(skb, local->hw.extra_tx_headroom);
|
|
|
|
memcpy(skb_put(skb, len), buf, len);
|
|
|
|
IEEE80211_SKB_CB(skb)->flags = flags;
|
|
|
|
skb->dev = sdata->dev;
|
|
|
|
if (!need_offchan) {
|
|
*cookie = (unsigned long) skb;
|
|
ieee80211_tx_skb(sdata, skb);
|
|
ret = 0;
|
|
goto out_unlock;
|
|
}
|
|
|
|
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
|
|
if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
|
|
IEEE80211_SKB_CB(skb)->hw_queue =
|
|
local->hw.offchannel_tx_hw_queue;
|
|
|
|
/* This will handle all kinds of coalescing and immediate TX */
|
|
ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
|
|
wait, cookie, skb);
|
|
if (ret)
|
|
kfree_skb(skb);
|
|
out_unlock:
|
|
mutex_unlock(&local->mtx);
|
|
return ret;
|
|
}
|
|
|
|
static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
u64 cookie)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
return ieee80211_cancel_roc(local, cookie, true);
|
|
}
|
|
|
|
static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
|
|
struct wireless_dev *wdev,
|
|
u16 frame_type, bool reg)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
|
|
|
|
switch (frame_type) {
|
|
case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
|
|
if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
|
|
|
|
if (reg)
|
|
ifibss->auth_frame_registrations++;
|
|
else
|
|
ifibss->auth_frame_registrations--;
|
|
}
|
|
break;
|
|
case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
|
|
if (reg)
|
|
local->probe_req_reg++;
|
|
else
|
|
local->probe_req_reg--;
|
|
|
|
if (!local->open_count)
|
|
break;
|
|
|
|
ieee80211_queue_work(&local->hw, &local->reconfig_filter);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
if (local->started)
|
|
return -EOPNOTSUPP;
|
|
|
|
return drv_set_antenna(local, tx_ant, rx_ant);
|
|
}
|
|
|
|
static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
return drv_get_antenna(local, tx_ant, rx_ant);
|
|
}
|
|
|
|
static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
return drv_set_ringparam(local, tx, rx);
|
|
}
|
|
|
|
static void ieee80211_get_ringparam(struct wiphy *wiphy,
|
|
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
drv_get_ringparam(local, tx, tx_max, rx, rx_max);
|
|
}
|
|
|
|
static int ieee80211_set_rekey_data(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct cfg80211_gtk_rekey_data *data)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (!local->ops->set_rekey_data)
|
|
return -EOPNOTSUPP;
|
|
|
|
drv_set_rekey_data(local, sdata, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
|
|
{
|
|
u8 *pos = (void *)skb_put(skb, 7);
|
|
|
|
*pos++ = WLAN_EID_EXT_CAPABILITY;
|
|
*pos++ = 5; /* len */
|
|
*pos++ = 0x0;
|
|
*pos++ = 0x0;
|
|
*pos++ = 0x0;
|
|
*pos++ = 0x0;
|
|
*pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
|
|
}
|
|
|
|
static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
struct ieee80211_local *local = sdata->local;
|
|
u16 capab;
|
|
|
|
capab = 0;
|
|
if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
|
|
return capab;
|
|
|
|
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
|
|
capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
|
|
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
|
|
capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
|
|
|
|
return capab;
|
|
}
|
|
|
|
static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
|
|
u8 *peer, u8 *bssid)
|
|
{
|
|
struct ieee80211_tdls_lnkie *lnkid;
|
|
|
|
lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
|
|
|
|
lnkid->ie_type = WLAN_EID_LINK_ID;
|
|
lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
|
|
|
|
memcpy(lnkid->bssid, bssid, ETH_ALEN);
|
|
memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
|
|
memcpy(lnkid->resp_sta, peer, ETH_ALEN);
|
|
}
|
|
|
|
static int
|
|
ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *peer, u8 action_code, u8 dialog_token,
|
|
u16 status_code, struct sk_buff *skb)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct ieee80211_tdls_data *tf;
|
|
|
|
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
|
|
|
|
memcpy(tf->da, peer, ETH_ALEN);
|
|
memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
|
|
tf->ether_type = cpu_to_be16(ETH_P_TDLS);
|
|
tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
|
|
|
|
switch (action_code) {
|
|
case WLAN_TDLS_SETUP_REQUEST:
|
|
tf->category = WLAN_CATEGORY_TDLS;
|
|
tf->action_code = WLAN_TDLS_SETUP_REQUEST;
|
|
|
|
skb_put(skb, sizeof(tf->u.setup_req));
|
|
tf->u.setup_req.dialog_token = dialog_token;
|
|
tf->u.setup_req.capability =
|
|
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
|
|
|
|
ieee80211_add_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_add_ext_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_tdls_add_ext_capab(skb);
|
|
break;
|
|
case WLAN_TDLS_SETUP_RESPONSE:
|
|
tf->category = WLAN_CATEGORY_TDLS;
|
|
tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
|
|
|
|
skb_put(skb, sizeof(tf->u.setup_resp));
|
|
tf->u.setup_resp.status_code = cpu_to_le16(status_code);
|
|
tf->u.setup_resp.dialog_token = dialog_token;
|
|
tf->u.setup_resp.capability =
|
|
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
|
|
|
|
ieee80211_add_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_add_ext_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_tdls_add_ext_capab(skb);
|
|
break;
|
|
case WLAN_TDLS_SETUP_CONFIRM:
|
|
tf->category = WLAN_CATEGORY_TDLS;
|
|
tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
|
|
|
|
skb_put(skb, sizeof(tf->u.setup_cfm));
|
|
tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
|
|
tf->u.setup_cfm.dialog_token = dialog_token;
|
|
break;
|
|
case WLAN_TDLS_TEARDOWN:
|
|
tf->category = WLAN_CATEGORY_TDLS;
|
|
tf->action_code = WLAN_TDLS_TEARDOWN;
|
|
|
|
skb_put(skb, sizeof(tf->u.teardown));
|
|
tf->u.teardown.reason_code = cpu_to_le16(status_code);
|
|
break;
|
|
case WLAN_TDLS_DISCOVERY_REQUEST:
|
|
tf->category = WLAN_CATEGORY_TDLS;
|
|
tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
|
|
|
|
skb_put(skb, sizeof(tf->u.discover_req));
|
|
tf->u.discover_req.dialog_token = dialog_token;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *peer, u8 action_code, u8 dialog_token,
|
|
u16 status_code, struct sk_buff *skb)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct ieee80211_mgmt *mgmt;
|
|
|
|
mgmt = (void *)skb_put(skb, 24);
|
|
memset(mgmt, 0, 24);
|
|
memcpy(mgmt->da, peer, ETH_ALEN);
|
|
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
|
|
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
|
|
|
|
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
|
|
IEEE80211_STYPE_ACTION);
|
|
|
|
switch (action_code) {
|
|
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
|
|
skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
|
|
mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
|
|
mgmt->u.action.u.tdls_discover_resp.action_code =
|
|
WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
|
|
mgmt->u.action.u.tdls_discover_resp.dialog_token =
|
|
dialog_token;
|
|
mgmt->u.action.u.tdls_discover_resp.capability =
|
|
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
|
|
|
|
ieee80211_add_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_add_ext_srates_ie(sdata, skb, false,
|
|
local->oper_channel->band);
|
|
ieee80211_tdls_add_ext_capab(skb);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *peer, u8 action_code, u8 dialog_token,
|
|
u16 status_code, const u8 *extra_ies,
|
|
size_t extra_ies_len)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct ieee80211_tx_info *info;
|
|
struct sk_buff *skb = NULL;
|
|
bool send_direct;
|
|
int ret;
|
|
|
|
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
|
|
return -ENOTSUPP;
|
|
|
|
/* make sure we are in managed mode, and associated */
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION ||
|
|
!sdata->u.mgd.associated)
|
|
return -EINVAL;
|
|
|
|
tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
|
|
action_code, peer);
|
|
|
|
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
|
|
max(sizeof(struct ieee80211_mgmt),
|
|
sizeof(struct ieee80211_tdls_data)) +
|
|
50 + /* supported rates */
|
|
7 + /* ext capab */
|
|
extra_ies_len +
|
|
sizeof(struct ieee80211_tdls_lnkie));
|
|
if (!skb)
|
|
return -ENOMEM;
|
|
|
|
info = IEEE80211_SKB_CB(skb);
|
|
skb_reserve(skb, local->hw.extra_tx_headroom);
|
|
|
|
switch (action_code) {
|
|
case WLAN_TDLS_SETUP_REQUEST:
|
|
case WLAN_TDLS_SETUP_RESPONSE:
|
|
case WLAN_TDLS_SETUP_CONFIRM:
|
|
case WLAN_TDLS_TEARDOWN:
|
|
case WLAN_TDLS_DISCOVERY_REQUEST:
|
|
ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
|
|
action_code, dialog_token,
|
|
status_code, skb);
|
|
send_direct = false;
|
|
break;
|
|
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
|
|
ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
|
|
dialog_token, status_code,
|
|
skb);
|
|
send_direct = true;
|
|
break;
|
|
default:
|
|
ret = -ENOTSUPP;
|
|
break;
|
|
}
|
|
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (extra_ies_len)
|
|
memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
|
|
|
|
/* the TDLS link IE is always added last */
|
|
switch (action_code) {
|
|
case WLAN_TDLS_SETUP_REQUEST:
|
|
case WLAN_TDLS_SETUP_CONFIRM:
|
|
case WLAN_TDLS_TEARDOWN:
|
|
case WLAN_TDLS_DISCOVERY_REQUEST:
|
|
/* we are the initiator */
|
|
ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
|
|
sdata->u.mgd.bssid);
|
|
break;
|
|
case WLAN_TDLS_SETUP_RESPONSE:
|
|
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
|
|
/* we are the responder */
|
|
ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
|
|
sdata->u.mgd.bssid);
|
|
break;
|
|
default:
|
|
ret = -ENOTSUPP;
|
|
goto fail;
|
|
}
|
|
|
|
if (send_direct) {
|
|
ieee80211_tx_skb(sdata, skb);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
|
|
* we should default to AC_VI.
|
|
*/
|
|
switch (action_code) {
|
|
case WLAN_TDLS_SETUP_REQUEST:
|
|
case WLAN_TDLS_SETUP_RESPONSE:
|
|
skb_set_queue_mapping(skb, IEEE80211_AC_BK);
|
|
skb->priority = 2;
|
|
break;
|
|
default:
|
|
skb_set_queue_mapping(skb, IEEE80211_AC_VI);
|
|
skb->priority = 5;
|
|
break;
|
|
}
|
|
|
|
/* disable bottom halves when entering the Tx path */
|
|
local_bh_disable();
|
|
ret = ieee80211_subif_start_xmit(skb, dev);
|
|
local_bh_enable();
|
|
|
|
return ret;
|
|
|
|
fail:
|
|
dev_kfree_skb(skb);
|
|
return ret;
|
|
}
|
|
|
|
static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *peer, enum nl80211_tdls_operation oper)
|
|
{
|
|
struct sta_info *sta;
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
|
|
return -ENOTSUPP;
|
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
return -EINVAL;
|
|
|
|
tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
|
|
|
|
switch (oper) {
|
|
case NL80211_TDLS_ENABLE_LINK:
|
|
rcu_read_lock();
|
|
sta = sta_info_get(sdata, peer);
|
|
if (!sta) {
|
|
rcu_read_unlock();
|
|
return -ENOLINK;
|
|
}
|
|
|
|
set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
|
|
rcu_read_unlock();
|
|
break;
|
|
case NL80211_TDLS_DISABLE_LINK:
|
|
return sta_info_destroy_addr(sdata, peer);
|
|
case NL80211_TDLS_TEARDOWN:
|
|
case NL80211_TDLS_SETUP:
|
|
case NL80211_TDLS_DISCOVERY_REQ:
|
|
/* We don't support in-driver setup/teardown/discovery */
|
|
return -ENOTSUPP;
|
|
default:
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
|
|
const u8 *peer, u64 *cookie)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct ieee80211_qos_hdr *nullfunc;
|
|
struct sk_buff *skb;
|
|
int size = sizeof(*nullfunc);
|
|
__le16 fc;
|
|
bool qos;
|
|
struct ieee80211_tx_info *info;
|
|
struct sta_info *sta;
|
|
|
|
rcu_read_lock();
|
|
sta = sta_info_get(sdata, peer);
|
|
if (sta) {
|
|
qos = test_sta_flag(sta, WLAN_STA_WME);
|
|
rcu_read_unlock();
|
|
} else {
|
|
rcu_read_unlock();
|
|
return -ENOLINK;
|
|
}
|
|
|
|
if (qos) {
|
|
fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
|
|
IEEE80211_STYPE_QOS_NULLFUNC |
|
|
IEEE80211_FCTL_FROMDS);
|
|
} else {
|
|
size -= 2;
|
|
fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
|
|
IEEE80211_STYPE_NULLFUNC |
|
|
IEEE80211_FCTL_FROMDS);
|
|
}
|
|
|
|
skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
|
|
if (!skb)
|
|
return -ENOMEM;
|
|
|
|
skb->dev = dev;
|
|
|
|
skb_reserve(skb, local->hw.extra_tx_headroom);
|
|
|
|
nullfunc = (void *) skb_put(skb, size);
|
|
nullfunc->frame_control = fc;
|
|
nullfunc->duration_id = 0;
|
|
memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
|
|
memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
|
|
memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
|
|
nullfunc->seq_ctrl = 0;
|
|
|
|
info = IEEE80211_SKB_CB(skb);
|
|
|
|
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
|
|
IEEE80211_TX_INTFL_NL80211_FRAME_TX;
|
|
|
|
skb_set_queue_mapping(skb, IEEE80211_AC_VO);
|
|
skb->priority = 7;
|
|
if (qos)
|
|
nullfunc->qos_ctrl = cpu_to_le16(7);
|
|
|
|
local_bh_disable();
|
|
ieee80211_xmit(sdata, skb);
|
|
local_bh_enable();
|
|
|
|
*cookie = (unsigned long) skb;
|
|
return 0;
|
|
}
|
|
|
|
static struct ieee80211_channel *
|
|
ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
|
|
enum nl80211_channel_type *type)
|
|
{
|
|
struct ieee80211_local *local = wiphy_priv(wiphy);
|
|
|
|
*type = local->_oper_channel_type;
|
|
return local->oper_channel;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
|
|
{
|
|
drv_set_wakeup(wiphy_priv(wiphy), enabled);
|
|
}
|
|
#endif
|
|
|
|
struct cfg80211_ops mac80211_config_ops = {
|
|
.add_virtual_intf = ieee80211_add_iface,
|
|
.del_virtual_intf = ieee80211_del_iface,
|
|
.change_virtual_intf = ieee80211_change_iface,
|
|
.start_p2p_device = ieee80211_start_p2p_device,
|
|
.stop_p2p_device = ieee80211_stop_p2p_device,
|
|
.add_key = ieee80211_add_key,
|
|
.del_key = ieee80211_del_key,
|
|
.get_key = ieee80211_get_key,
|
|
.set_default_key = ieee80211_config_default_key,
|
|
.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
|
|
.start_ap = ieee80211_start_ap,
|
|
.change_beacon = ieee80211_change_beacon,
|
|
.stop_ap = ieee80211_stop_ap,
|
|
.add_station = ieee80211_add_station,
|
|
.del_station = ieee80211_del_station,
|
|
.change_station = ieee80211_change_station,
|
|
.get_station = ieee80211_get_station,
|
|
.dump_station = ieee80211_dump_station,
|
|
.dump_survey = ieee80211_dump_survey,
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
.add_mpath = ieee80211_add_mpath,
|
|
.del_mpath = ieee80211_del_mpath,
|
|
.change_mpath = ieee80211_change_mpath,
|
|
.get_mpath = ieee80211_get_mpath,
|
|
.dump_mpath = ieee80211_dump_mpath,
|
|
.update_mesh_config = ieee80211_update_mesh_config,
|
|
.get_mesh_config = ieee80211_get_mesh_config,
|
|
.join_mesh = ieee80211_join_mesh,
|
|
.leave_mesh = ieee80211_leave_mesh,
|
|
#endif
|
|
.change_bss = ieee80211_change_bss,
|
|
.set_txq_params = ieee80211_set_txq_params,
|
|
.set_monitor_channel = ieee80211_set_monitor_channel,
|
|
.suspend = ieee80211_suspend,
|
|
.resume = ieee80211_resume,
|
|
.scan = ieee80211_scan,
|
|
.sched_scan_start = ieee80211_sched_scan_start,
|
|
.sched_scan_stop = ieee80211_sched_scan_stop,
|
|
.auth = ieee80211_auth,
|
|
.assoc = ieee80211_assoc,
|
|
.deauth = ieee80211_deauth,
|
|
.disassoc = ieee80211_disassoc,
|
|
.join_ibss = ieee80211_join_ibss,
|
|
.leave_ibss = ieee80211_leave_ibss,
|
|
.set_wiphy_params = ieee80211_set_wiphy_params,
|
|
.set_tx_power = ieee80211_set_tx_power,
|
|
.get_tx_power = ieee80211_get_tx_power,
|
|
.set_wds_peer = ieee80211_set_wds_peer,
|
|
.rfkill_poll = ieee80211_rfkill_poll,
|
|
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
|
|
CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
|
|
.set_power_mgmt = ieee80211_set_power_mgmt,
|
|
.set_bitrate_mask = ieee80211_set_bitrate_mask,
|
|
.remain_on_channel = ieee80211_remain_on_channel,
|
|
.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
|
|
.mgmt_tx = ieee80211_mgmt_tx,
|
|
.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
|
|
.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
|
|
.mgmt_frame_register = ieee80211_mgmt_frame_register,
|
|
.set_antenna = ieee80211_set_antenna,
|
|
.get_antenna = ieee80211_get_antenna,
|
|
.set_ringparam = ieee80211_set_ringparam,
|
|
.get_ringparam = ieee80211_get_ringparam,
|
|
.set_rekey_data = ieee80211_set_rekey_data,
|
|
.tdls_oper = ieee80211_tdls_oper,
|
|
.tdls_mgmt = ieee80211_tdls_mgmt,
|
|
.probe_client = ieee80211_probe_client,
|
|
.set_noack_map = ieee80211_set_noack_map,
|
|
#ifdef CONFIG_PM
|
|
.set_wakeup = ieee80211_set_wakeup,
|
|
#endif
|
|
.get_et_sset_count = ieee80211_get_et_sset_count,
|
|
.get_et_stats = ieee80211_get_et_stats,
|
|
.get_et_strings = ieee80211_get_et_strings,
|
|
.get_channel = ieee80211_cfg_get_channel,
|
|
};
|