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path: root/net/mac80211/cfg.c
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Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c285
1 files changed, 206 insertions, 79 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 47e0aca614b..09d96a8f6c2 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -164,7 +164,17 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
sta = sta_info_get(sdata, mac_addr);
else
sta = sta_info_get_bss(sdata, mac_addr);
- if (!sta) {
+ /*
+ * The ASSOC test makes sure the driver is ready to
+ * receive the key. When wpa_supplicant has roamed
+ * using FT, it attempts to set the key before
+ * association has completed, this rejects that attempt
+ * so it will set the key again after assocation.
+ *
+ * TODO: accept the key if we have a station entry and
+ * add it to the device after the station.
+ */
+ if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
ieee80211_key_free(sdata->local, key);
err = -ENOENT;
goto out_unlock;
@@ -482,7 +492,10 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
#ifdef CONFIG_MAC80211_MESH
sinfo->filled |= STATION_INFO_LLID |
STATION_INFO_PLID |
- STATION_INFO_PLINK_STATE;
+ STATION_INFO_PLINK_STATE |
+ STATION_INFO_LOCAL_PM |
+ STATION_INFO_PEER_PM |
+ STATION_INFO_NONPEER_PM;
sinfo->llid = le16_to_cpu(sta->llid);
sinfo->plid = le16_to_cpu(sta->plid);
@@ -491,6 +504,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->filled |= STATION_INFO_T_OFFSET;
sinfo->t_offset = sta->t_offset;
}
+ sinfo->local_pm = sta->local_pm;
+ sinfo->peer_pm = sta->peer_pm;
+ sinfo->nonpeer_pm = sta->nonpeer_pm;
#endif
}
@@ -510,6 +526,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
BIT(NL80211_STA_FLAG_WME) |
BIT(NL80211_STA_FLAG_MFP) |
BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_ASSOCIATED) |
BIT(NL80211_STA_FLAG_TDLS_PEER);
if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
@@ -521,6 +538,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
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_ASSOC))
+ sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
}
@@ -909,11 +928,13 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
/* TODO: make hostapd tell us what it wants */
sdata->smps_mode = IEEE80211_SMPS_OFF;
sdata->needed_rx_chains = sdata->local->rx_chains;
+ sdata->radar_required = params->radar_required;
err = ieee80211_vif_use_channel(sdata, &params->chandef,
IEEE80211_CHANCTX_SHARED);
if (err)
return err;
+ ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
/*
* Apply control port protocol, this allows us to
@@ -930,6 +951,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
sdata->vif.bss_conf.dtim_period = params->dtim_period;
+ sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.ssid_len = params->ssid_len;
if (params->ssid_len)
@@ -1010,8 +1032,15 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
kfree_rcu(old_probe_resp, rcu_head);
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
- sta_info_flush(local, vlan);
- sta_info_flush(local, sdata);
+ sta_info_flush_defer(vlan);
+ sta_info_flush_defer(sdata);
+ rcu_barrier();
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ sta_info_flush_cleanup(vlan);
+ sta_info_flush_cleanup(sdata);
+
+ sdata->vif.bss_conf.enable_beacon = false;
+ clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
drv_stop_ap(sdata->local, sdata);
@@ -1020,6 +1049,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
skb_queue_purge(&sdata->u.ap.ps.bc_buf);
+ ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
ieee80211_vif_release_channel(sdata);
return 0;
@@ -1069,6 +1099,58 @@ static void ieee80211_send_layer2_update(struct sta_info *sta)
netif_rx_ni(skb);
}
+static int sta_apply_auth_flags(struct ieee80211_local *local,
+ struct sta_info *sta,
+ u32 mask, u32 set)
+{
+ int ret;
+
+ if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
+ 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;
+ }
+
+ if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
+ set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
+ !test_sta_flag(sta, WLAN_STA_ASSOC)) {
+ 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);
+ else
+ ret = 0;
+ if (ret)
+ return ret;
+ }
+
+ if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
+ !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
+ test_sta_flag(sta, WLAN_STA_ASSOC)) {
+ ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
+ if (ret)
+ return ret;
+ }
+
+ if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
+ !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
+ test_sta_flag(sta, WLAN_STA_AUTH)) {
+ ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static int sta_apply_parameters(struct ieee80211_local *local,
struct sta_info *sta,
struct station_parameters *params)
@@ -1086,52 +1168,20 @@ static int sta_apply_parameters(struct ieee80211_local *local,
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 (ieee80211_vif_is_mesh(&sdata->vif)) {
+ /*
+ * In mesh mode, ASSOCIATED isn't part of the nl80211
+ * API but must follow AUTHENTICATED for driver state.
+ */
+ if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
+ mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
+ if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
+ set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
}
+ ret = sta_apply_auth_flags(local, sta, mask, set);
+ if (ret)
+ return ret;
if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
@@ -1177,10 +1227,11 @@ static int sta_apply_parameters(struct ieee80211_local *local,
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.
+ * Some of the following updates would be racy if called on an
+ * existing station, via ieee80211_change_station(). However,
+ * all such changes are rejected by cfg80211 except for updates
+ * changing the supported rates on an existing but not yet used
+ * TDLS peer.
*/
if (params->listen_interval >= 0)
@@ -1201,36 +1252,62 @@ static int sta_apply_parameters(struct ieee80211_local *local,
if (params->ht_capa)
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
- params->ht_capa,
- &sta->sta.ht_cap);
+ params->ht_capa, sta);
if (params->vht_capa)
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
- params->vht_capa,
- &sta->sta.vht_cap);
+ params->vht_capa, sta);
if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
- if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
+ u32 changed = 0;
+ if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) {
switch (params->plink_state) {
- case NL80211_PLINK_LISTEN:
case NL80211_PLINK_ESTAB:
+ if (sta->plink_state != NL80211_PLINK_ESTAB)
+ changed = mesh_plink_inc_estab_count(
+ sdata);
+ sta->plink_state = params->plink_state;
+
+ ieee80211_mps_sta_status_update(sta);
+ changed |= ieee80211_mps_set_sta_local_pm(sta,
+ sdata->u.mesh.mshcfg.power_mode);
+ break;
+ case NL80211_PLINK_LISTEN:
case NL80211_PLINK_BLOCKED:
+ case NL80211_PLINK_OPN_SNT:
+ case NL80211_PLINK_OPN_RCVD:
+ case NL80211_PLINK_CNF_RCVD:
+ case NL80211_PLINK_HOLDING:
+ if (sta->plink_state == NL80211_PLINK_ESTAB)
+ changed = mesh_plink_dec_estab_count(
+ sdata);
sta->plink_state = params->plink_state;
+
+ ieee80211_mps_sta_status_update(sta);
+ changed |=
+ ieee80211_mps_local_status_update(sdata);
break;
default:
/* nothing */
break;
}
- else
+ } else {
switch (params->plink_action) {
case PLINK_ACTION_OPEN:
- mesh_plink_open(sta);
+ changed |= mesh_plink_open(sta);
break;
case PLINK_ACTION_BLOCK:
- mesh_plink_block(sta);
+ changed |= mesh_plink_block(sta);
break;
}
+ }
+
+ if (params->local_pm)
+ changed |=
+ ieee80211_mps_set_sta_local_pm(sta,
+ params->local_pm);
+ ieee80211_bss_info_change_notify(sdata, changed);
#endif
}
@@ -1265,6 +1342,10 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
if (!sta)
return -ENOMEM;
+ /*
+ * defaults -- if userspace wants something else we'll
+ * change it accordingly in sta_apply_parameters()
+ */
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
@@ -1301,7 +1382,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
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);
@@ -1309,7 +1389,7 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
if (mac)
return sta_info_destroy_addr_bss(sdata, mac);
- sta_info_flush(local, sdata);
+ sta_info_flush(sdata);
return 0;
}
@@ -1332,9 +1412,11 @@ static int ieee80211_change_station(struct wiphy *wiphy,
return -ENOENT;
}
- /* in station mode, supported rates are only valid with TDLS */
+ /* in station mode, some updates are only valid with TDLS */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- params->supported_rates &&
+ (params->supported_rates || params->ht_capa || params->vht_capa ||
+ params->sta_modify_mask ||
+ (params->sta_flags_mask & BIT(NL80211_STA_FLAG_WME))) &&
!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
mutex_unlock(&local->sta_mtx);
return -EINVAL;
@@ -1418,13 +1500,13 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
return -ENOENT;
}
- err = mesh_path_add(dst, sdata);
+ err = mesh_path_add(sdata, dst);
if (err) {
rcu_read_unlock();
return err;
}
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENXIO;
@@ -1436,12 +1518,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst)
+ u8 *dst)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (dst)
- return mesh_path_del(dst, sdata);
+ return mesh_path_del(sdata, dst);
mesh_path_flush_by_iface(sdata);
return 0;
@@ -1465,7 +1547,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
return -ENOENT;
}
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
@@ -1529,7 +1611,7 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
@@ -1550,7 +1632,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- mpath = mesh_path_lookup_by_idx(idx, sdata);
+ mpath = mesh_path_lookup_by_idx(sdata, idx);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
@@ -1615,6 +1697,9 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
sizeof(setup->mcast_rate));
+ sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
+ sdata->vif.bss_conf.dtim_period = setup->dtim_period;
+
return 0;
}
@@ -1713,6 +1798,14 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
conf->dot11MeshHWMPconfirmationInterval =
nconf->dot11MeshHWMPconfirmationInterval;
+ if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
+ conf->power_mode = nconf->power_mode;
+ ieee80211_mps_local_status_update(sdata);
+ }
+ if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
+ conf->dot11MeshAwakeWindowDuration =
+ nconf->dot11MeshAwakeWindowDuration;
+ ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
return 0;
}
@@ -1738,9 +1831,7 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
if (err)
return err;
- ieee80211_start_mesh(sdata);
-
- return 0;
+ return ieee80211_start_mesh(sdata);
}
static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
@@ -1994,7 +2085,8 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
+ memcpy(sdata->vif.bss_conf.mcast_rate, rate,
+ sizeof(int) * IEEE80211_NUM_BANDS);
return 0;
}
@@ -2197,7 +2289,8 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
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)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
@@ -2303,7 +2396,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
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)
+ if (!list_empty(&local->roc_list) ||
+ local->scanning || local->radar_detect_enabled)
goto out_check_combine;
/* if not HW assist, just queue & schedule work */
@@ -2553,6 +2647,37 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
return ieee80211_cancel_roc(local, cookie, false);
}
+static int ieee80211_start_radar_detection(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_chan_def *chandef)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ unsigned long timeout;
+ int err;
+
+ if (!list_empty(&local->roc_list) || local->scanning)
+ return -EBUSY;
+
+ /* whatever, but channel contexts should not complain about that one */
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
+ sdata->needed_rx_chains = local->rx_chains;
+ sdata->radar_required = true;
+
+ mutex_lock(&local->iflist_mtx);
+ err = ieee80211_vif_use_channel(sdata, chandef,
+ IEEE80211_CHANCTX_SHARED);
+ mutex_unlock(&local->iflist_mtx);
+ if (err)
+ return err;
+
+ timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
+ ieee80211_queue_delayed_work(&sdata->local->hw,
+ &sdata->dfs_cac_timer_work, timeout);
+
+ return 0;
+}
+
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
unsigned int wait, const u8 *buf, size_t len,
@@ -2657,7 +2782,8 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
goto out_unlock;
}
- IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
+ IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
IEEE80211_SKB_CB(skb)->hw_queue =
local->hw.offchannel_tx_hw_queue;
@@ -3257,4 +3383,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_et_stats = ieee80211_get_et_stats,
.get_et_strings = ieee80211_get_et_strings,
.get_channel = ieee80211_cfg_get_channel,
+ .start_radar_detection = ieee80211_start_radar_detection,
};