* TX status event pertaining to the TX request.
* %NL80211_ATTR_TX_NO_CCK_RATE is used to decide whether to send the
* management frames at CCK rate or not in 2GHz band.
+ * %NL80211_ATTR_CSA_C_OFFSETS_TX is an array of offsets to CSA
+ * counters which will be updated to the current value. This attribute
+ * is used during CSA period.
* @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
* command may be used with the corresponding cookie to cancel the wait
* time if it is known that it is no longer necessary.
* operation).
* @NL80211_ATTR_CSA_IES: Nested set of attributes containing the IE information
* for the time while performing a channel switch.
- * @NL80211_ATTR_CSA_C_OFF_BEACON: Offset of the channel switch counter
- * field in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
- * @NL80211_ATTR_CSA_C_OFF_PRESP: Offset of the channel switch counter
- * field in the probe response (%NL80211_ATTR_PROBE_RESP).
+ * @NL80211_ATTR_CSA_C_OFF_BEACON: An array of offsets (u16) to the channel
+ * switch counters in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
+ * @NL80211_ATTR_CSA_C_OFF_PRESP: An array of offsets (u16) to the channel
+ * switch counters in the probe response (%NL80211_ATTR_PROBE_RESP).
*
* @NL80211_ATTR_RXMGMT_FLAGS: flags for nl80211_send_mgmt(), u32.
* As specified in the &enum nl80211_rxmgmt_flags.
* advertise values that cannot always be met. In such cases, an attempt
* to add a new station entry with @NL80211_CMD_NEW_STATION may fail.
*
+ * @NL80211_ATTR_CSA_C_OFFSETS_TX: An array of csa counter offsets (u16) which
+ * should be updated when the frame is transmitted.
+ * @NL80211_ATTR_MAX_CSA_COUNTERS: U8 attribute used to advertise the maximum
+ * supported number of csa counters.
+ *
* @NL80211_ATTR_TDLS_PEER_CAPABILITY: flags for TDLS peer capabilities, u32.
* As specified in the &enum nl80211_tdls_peer_capability.
*
+ * @NL80211_ATTR_IFACE_SOCKET_OWNER: flag attribute, if set during interface
+ * creation then the new interface will be owned by the netlink socket
+ * that created it and will be destroyed when the socket is closed
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
NL80211_ATTR_TDLS_PEER_CAPABILITY,
+ NL80211_ATTR_IFACE_SOCKET_OWNER,
+
+ NL80211_ATTR_CSA_C_OFFSETS_TX,
+ NL80211_ATTR_MAX_CSA_COUNTERS,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
* Contains a nested array of signal strength attributes (u8, dBm)
* @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
* Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
+ * @NL80211_STA_EXPECTED_THROUGHPUT: expected throughput considering also the
+ * 802.11 header (u32, kbps)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
NL80211_STA_INFO_TX_BYTES64,
NL80211_STA_INFO_CHAIN_SIGNAL,
NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
+ NL80211_STA_INFO_EXPECTED_THROUGHPUT,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
* using this channel as the primary or any of the secondary channels
* isn't possible
* @NL80211_FREQUENCY_ATTR_DFS_CAC_TIME: DFS CAC time in milliseconds.
+ * @NL80211_FREQUENCY_ATTR_INDOOR_ONLY: Only indoor use is permitted on this
+ * channel. A channel that has the INDOOR_ONLY attribute can only be
+ * used when there is a clear assessment that the device is operating in
+ * an indoor surroundings, i.e., it is connected to AC power (and not
+ * through portable DC inverters) or is under the control of a master
+ * that is acting as an AP and is connected to AC power.
+ * @NL80211_FREQUENCY_ATTR_GO_CONCURRENT: GO operation is allowed on this
+ * channel if it's connected concurrently to a BSS on the same channel on
+ * the 2 GHz band or to a channel in the same UNII band (on the 5 GHz
+ * band), and IEEE80211_CHAN_RADAR is not set. Instantiating a GO on a
+ * channel that has the GO_CONCURRENT attribute set can be done when there
+ * is a clear assessment that the device is operating under the guidance of
+ * an authorized master, i.e., setting up a GO while the device is also
+ * connected to an AP with DFS and radar detection on the UNII band (it is
+ * up to user-space, i.e., wpa_supplicant to perform the required
+ * verifications)
+ * @NL80211_FREQUENCY_ATTR_NO_20MHZ: 20 MHz operation is not allowed
+ * on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_NO_10MHZ: 10 MHz operation is not allowed
+ * on this channel in current regulatory domain.
* @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number
* currently defined
* @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use
+ *
+ * See https://apps.fcc.gov/eas/comments/GetPublishedDocument.html?id=327&tn=528122
+ * for more information on the FCC description of the relaxations allowed
+ * by NL80211_FREQUENCY_ATTR_INDOOR_ONLY and
+ * NL80211_FREQUENCY_ATTR_GO_CONCURRENT.
*/
enum nl80211_frequency_attr {
__NL80211_FREQUENCY_ATTR_INVALID,
NL80211_FREQUENCY_ATTR_NO_80MHZ,
NL80211_FREQUENCY_ATTR_NO_160MHZ,
NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
+ NL80211_FREQUENCY_ATTR_INDOOR_ONLY,
+ NL80211_FREQUENCY_ATTR_GO_CONCURRENT,
+ NL80211_FREQUENCY_ATTR_NO_20MHZ,
+ NL80211_FREQUENCY_ATTR_NO_10MHZ,
/* keep last */
__NL80211_FREQUENCY_ATTR_AFTER_LAST,
* present has been registered with the wireless core that
* has listed NL80211_FEATURE_CELL_BASE_REG_HINTS as a
* supported feature.
+ * @NL80211_USER_REG_HINT_INDOOR: a user sent an hint indicating that the
+ * platform is operating in an indoor environment.
*/
enum nl80211_user_reg_hint_type {
NL80211_USER_REG_HINT_USER = 0,
NL80211_USER_REG_HINT_CELL_BASE = 1,
+ NL80211_USER_REG_HINT_INDOOR = 2,
};
/**
* different channels may be used within this group.
* @NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS: u32 attribute containing the bitmap
* of supported channel widths for radar detection.
+ * @NL80211_IFACE_COMB_RADAR_DETECT_REGIONS: u32 attribute containing the bitmap
+ * of supported regulatory regions for radar detection.
* @NUM_NL80211_IFACE_COMB: number of attributes
* @MAX_NL80211_IFACE_COMB: highest attribute number
*
NL80211_IFACE_COMB_STA_AP_BI_MATCH,
NL80211_IFACE_COMB_NUM_CHANNELS,
NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
+ NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
/* keep last */
NUM_NL80211_IFACE_COMB,
* @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
* to work properly to suppport receiving regulatory hints from
* cellular base stations.
+ * @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
+ * here to reserve the value for API/ABI compatibility)
* @NL80211_FEATURE_SAE: This driver supports simultaneous authentication of
* equals (SAE) with user space SME (NL80211_CMD_AUTHENTICATE) in station
* mode
* interface. An active monitor interface behaves like a normal monitor
* interface, but gets added to the driver. It ensures that incoming
* unicast packets directed at the configured interface address get ACKed.
+ * @NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE: This driver supports dynamic
+ * channel bandwidth change (e.g., HT 20 <-> 40 MHz channel) during the
+ * lifetime of a BSS.
*/
enum nl80211_feature_flags {
NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
NL80211_FEATURE_HT_IBSS = 1 << 1,
NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
- /* bit 4 is reserved - don't use */
+ NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL = 1 << 4,
NL80211_FEATURE_SAE = 1 << 5,
NL80211_FEATURE_LOW_PRIORITY_SCAN = 1 << 6,
NL80211_FEATURE_SCAN_FLUSH = 1 << 7,
NL80211_FEATURE_FULL_AP_CLIENT_STATE = 1 << 15,
NL80211_FEATURE_USERSPACE_MPM = 1 << 16,
NL80211_FEATURE_ACTIVE_MONITOR = 1 << 17,
+ NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE = 1 << 18,
};
/**
/* to be used after channel switch. */
struct cfg80211_beacon_data *next_beacon;
- struct list_head vlans;
+ struct list_head vlans; /* write-protected with RTNL and local->mtx */
struct ps_data ps;
atomic_t num_mcast_sta; /* number of stations receiving multicast */
};
struct ieee80211_if_vlan {
- struct list_head list;
+ struct list_head list; /* write-protected with RTNL and local->mtx */
/* used for all tx if the VLAN is configured to 4-addr mode */
struct sta_info __rcu *sta;
bool started, abort, hw_begun, notified;
bool to_be_freed;
+ bool on_channel;
unsigned long hw_start_time;
struct list_head list;
struct rcu_head rcu_head;
+ struct list_head assigned_vifs;
+ struct list_head reserved_vifs;
+
enum ieee80211_chanctx_mode mode;
- int refcount;
bool driver_present;
struct ieee80211_chanctx_conf conf;
struct mac80211_qos_map __rcu *qos_map;
struct work_struct csa_finalize_work;
- int csa_counter_offset_beacon;
- int csa_counter_offset_presp;
+ u16 csa_counter_offset_beacon[IEEE80211_MAX_CSA_COUNTERS_NUM];
+ u16 csa_counter_offset_presp[IEEE80211_MAX_CSA_COUNTERS_NUM];
bool csa_radar_required;
+ bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
struct cfg80211_chan_def csa_chandef;
+ struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */
+ struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */
+
+ /* context reservation -- protected with chanctx_mtx */
+ struct ieee80211_chanctx *reserved_chanctx;
+ struct cfg80211_chan_def reserved_chandef;
+ bool reserved_radar_required;
+ u8 csa_current_counter;
+
/* used to reconfigure hardware SM PS */
struct work_struct recalc_smps;
int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct cfg80211_sched_scan_request *req);
int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sched_scan_end(struct ieee80211_local *local);
void ieee80211_sched_scan_stopped_work(struct work_struct *work);
/* off-channel helpers */
void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
/* channel switch handling */
+bool ieee80211_csa_needs_block_tx(struct ieee80211_local *local);
void ieee80211_csa_finalize_work(struct work_struct *work);
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params);
ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
const struct cfg80211_chan_def *chandef,
enum ieee80211_chanctx_mode mode);
+int __must_check
+ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode,
+ bool radar_required);
+int __must_check
+ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata,
+ u32 *changed);
+int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
+
int __must_check
ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
const struct cfg80211_chan_def *chandef,
void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
bool clear);
+int ieee80211_chanctx_refcount(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx);
void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *chanctx);
enum nl80211_iftype iftype);
void ieee80211_recalc_dtim(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
+int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode chanmode,
+ u8 radar_detect);
+int ieee80211_max_num_channels(struct ieee80211_local *local);
+
+/* TDLS */
+int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *peer, u8 action_code, u8 dialog_token,
+ u16 status_code, u32 peer_capability,
+ const u8 *extra_ies, size_t extra_ies_len);
+int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *peer, enum nl80211_tdls_operation oper);
+
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->csa_chandef.chan;
+ ieee80211_bss_info_change_notify(sdata, changed);
+
+ mutex_lock(&local->mtx);
+ sdata->vif.csa_active = false;
/* XXX: wait for a beacon first? */
- ieee80211_wake_queues_by_reason(&local->hw,
+ if (!ieee80211_csa_needs_block_tx(local))
+ ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
+ mutex_unlock(&local->mtx);
- ieee80211_bss_info_change_notify(sdata, changed);
-
- out:
- sdata->vif.csa_active = false;
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+
+ ieee80211_sta_reset_beacon_monitor(sdata);
+ ieee80211_sta_reset_conn_monitor(sdata);
+
+out:
sdata_unlock(sdata);
}
}
chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
struct ieee80211_chanctx, conf);
- if (chanctx->refcount > 1) {
+ if (ieee80211_chanctx_refcount(local, chanctx) > 1) {
sdata_info(sdata,
"channel switch with multiple interfaces on the same channel, disconnecting\n");
ieee80211_queue_work(&local->hw,
mutex_unlock(&local->chanctx_mtx);
sdata->csa_chandef = csa_ie.chandef;
+
+ mutex_lock(&local->mtx);
sdata->vif.csa_active = true;
+ sdata->csa_block_tx = csa_ie.mode;
- if (csa_ie.mode)
+ if (sdata->csa_block_tx)
ieee80211_stop_queues_by_reason(&local->hw,
- IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_CSA);
+ IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+ mutex_unlock(&local->mtx);
if (local->ops->channel_switch) {
/* use driver's channel switch callback */
ifmgd->flags = 0;
mutex_lock(&local->mtx);
ieee80211_vif_release_channel(sdata);
+
+ sdata->vif.csa_active = false;
+ if (!ieee80211_csa_needs_block_tx(local))
+ ieee80211_wake_queues_by_reason(&local->hw,
+ IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
true, frame_buf);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+
+ mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
- ieee80211_wake_queues_by_reason(&sdata->local->hw,
+ if (!ieee80211_csa_needs_block_tx(local))
+ ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
+ mutex_unlock(&local->mtx);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
if (local->quiescing)
return;
+ if (sdata->vif.csa_active)
+ return;
+
sdata->u.mgd.connection_loss = false;
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.beacon_connection_loss_work);
if (local->quiescing)
return;
+ if (sdata->vif.csa_active)
+ return;
+
ieee80211_queue_work(&local->hw, &ifmgd->monitor_work);
}
sdata_lock(sdata);
- if (ifmgd->auth_data) {
+ if (ifmgd->auth_data || ifmgd->assoc_data) {
+ const u8 *bssid = ifmgd->auth_data ?
+ ifmgd->auth_data->bss->bssid :
+ ifmgd->assoc_data->bss->bssid;
+
/*
- * If we are trying to authenticate while suspending, cfg80211
- * won't know and won't actually abort those attempts, thus we
- * need to do that ourselves.
+ * If we are trying to authenticate / associate while suspending,
+ * cfg80211 won't know and won't actually abort those attempts,
+ * thus we need to do that ourselves.
*/
- ieee80211_send_deauth_disassoc(sdata,
- ifmgd->auth_data->bss->bssid,
+ ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DEAUTH_LEAVING,
false, frame_buf);
- ieee80211_destroy_auth_data(sdata, false);
+ if (ifmgd->assoc_data)
+ ieee80211_destroy_assoc_data(sdata, false);
+ if (ifmgd->auth_data)
+ ieee80211_destroy_auth_data(sdata, false);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
}
ieee80211_recalc_ps(local, latency_usec);
mutex_unlock(&local->iflist_mtx);
- return 0;
+ return NOTIFY_OK;
}
static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
projects / karo-tx-linux.git / commitdiff