802.11e clarifies the figure in section 7.1.2. The frame body is
up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
#define IEEE80211_MAX_DATA_LEN 2304
+/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
+ * to 7920 bytes, see 8.2.3 General frame format
+ */
+#define IEEE80211_MAX_DATA_LEN_DMG 7920
/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN 2352
* @dfs_state: current state of this channel. Only relevant if radar is required
* on this channel.
* @dfs_state_entered: timestamp (jiffies) when the dfs state was entered.
+ * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
*/
struct ieee80211_channel {
enum ieee80211_band band;
int orig_mag, orig_mpwr;
enum nl80211_dfs_state dfs_state;
unsigned long dfs_state_entered;
+ unsigned int dfs_cac_ms;
};
/**
int (*start_radar_detection)(struct wiphy *wiphy,
struct net_device *dev,
- struct cfg80211_chan_def *chandef);
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms);
int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_update_ft_ies_params *ftie);
int (*crit_proto_start)(struct wiphy *wiphy,
* @p2p_started: true if this is a P2P Device that has been started
* @cac_started: true if DFS channel availability check has been started
* @cac_start_time: timestamp (jiffies) when the dfs state was entered.
+ * @cac_time_ms: CAC time in ms
* @ps: powersave mode is enabled
* @ps_timeout: dynamic powersave timeout
* @ap_unexpected_nlportid: (private) netlink port ID of application
bool cac_started;
unsigned long cac_start_time;
+ unsigned int cac_time_ms;
#ifdef CONFIG_CFG80211_WEXT
/* wext data */
* cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
- * @channel: The channel the frame was received on
+ * @rx_channel: The channel the frame was received on
* @scan_width: width of the control channel
* @mgmt: the management frame (probe response or beacon)
* @len: length of the management frame
*/
struct cfg80211_bss * __must_check
cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal, gfp_t gfp);
static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal, gfp_t gfp)
{
- return cfg80211_inform_bss_width_frame(wiphy, channel,
+ return cfg80211_inform_bss_width_frame(wiphy, rx_channel,
NL80211_BSS_CHAN_WIDTH_20,
mgmt, len, signal, gfp);
}
* cfg80211_inform_bss - inform cfg80211 of a new BSS
*
* @wiphy: the wiphy reporting the BSS
- * @channel: The channel the frame was received on
+ * @rx_channel: The channel the frame was received on
* @scan_width: width of the control channel
* @bssid: the BSSID of the BSS
* @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
*/
struct cfg80211_bss * __must_check
cfg80211_inform_bss_width(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp)
{
- return cfg80211_inform_bss_width(wiphy, channel,
+ return cfg80211_inform_bss_width(wiphy, rx_channel,
NL80211_BSS_CHAN_WIDTH_20,
bssid, tsf, capability,
beacon_interval, ie, ielen, signal,
} control;
struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
- int ack_signal;
+ s32 ack_signal;
u8 ampdu_ack_len;
u8 ampdu_len;
u8 antenna;
- /* 21 bytes free */
+ void *status_driver_data[21 / sizeof(void *)];
} status;
struct {
struct ieee80211_tx_rate driver_rates[
* @RX_VHT_FLAG_80MHZ: 80 MHz was used
* @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
* @RX_VHT_FLAG_160MHZ: 160 MHz was used
+ * @RX_VHT_FLAG_BF: packet was beamformed
*/
enum mac80211_rx_vht_flags {
RX_VHT_FLAG_80MHZ = BIT(0),
RX_VHT_FLAG_80P80MHZ = BIT(1),
RX_VHT_FLAG_160MHZ = BIT(2),
+ RX_VHT_FLAG_BF = BIT(3),
};
/**
struct ieee80211_freq_range freq_range;
struct ieee80211_power_rule power_rule;
u32 flags;
+ u32 dfs_cac_ms;
};
struct ieee80211_regdomain {
#define DBM_TO_MBM(gain) ((gain) * 100)
#define MBM_TO_DBM(gain) ((gain) / 100)
-#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \
-{ \
- .freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
- .freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
- .freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
- .power_rule.max_antenna_gain = DBI_TO_MBI(gain),\
- .power_rule.max_eirp = DBM_TO_MBM(eirp), \
- .flags = reg_flags, \
+#define REG_RULE_EXT(start, end, bw, gain, eirp, dfs_cac, reg_flags) \
+{ \
+ .freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
+ .freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
+ .freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
+ .power_rule.max_antenna_gain = DBI_TO_MBI(gain), \
+ .power_rule.max_eirp = DBM_TO_MBM(eirp), \
+ .flags = reg_flags, \
+ .dfs_cac_ms = dfs_cac, \
}
+#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \
+ REG_RULE_EXT(start, end, bw, gain, eirp, 0, reg_flags)
+
#endif
* @NL80211_FREQUENCY_ATTR_NO_160MHZ: any 160 MHz (but not 80+80) channel
* 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_MAX: highest frequency attribute number
* currently defined
* @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use
NL80211_FREQUENCY_ATTR_NO_HT40_PLUS,
NL80211_FREQUENCY_ATTR_NO_80MHZ,
NL80211_FREQUENCY_ATTR_NO_160MHZ,
+ NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
/* keep last */
__NL80211_FREQUENCY_ATTR_AFTER_LAST,
* If you don't have one then don't send this.
* @NL80211_ATTR_POWER_RULE_MAX_EIRP: the maximum allowed EIRP for
* a given frequency range. The value is in mBm (100 * dBm).
+ * @NL80211_ATTR_DFS_CAC_TIME: DFS CAC time in milliseconds.
+ * If not present or 0 default CAC time will be used.
* @NL80211_REG_RULE_ATTR_MAX: highest regulatory rule attribute number
* currently defined
* @__NL80211_REG_RULE_ATTR_AFTER_LAST: internal use
NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
NL80211_ATTR_POWER_RULE_MAX_EIRP,
+ NL80211_ATTR_DFS_CAC_TIME,
+
/* keep last */
__NL80211_REG_RULE_ATTR_AFTER_LAST,
NL80211_REG_RULE_ATTR_MAX = __NL80211_REG_RULE_ATTR_AFTER_LAST - 1
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
struct net_device *dev,
- struct cfg80211_chan_def *chandef)
+ struct cfg80211_chan_def *chandef,
+ u32 cac_time_ms)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- unsigned long timeout;
int err;
mutex_lock(&local->mtx);
if (err)
goto out_unlock;
- timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
ieee80211_queue_delayed_work(&sdata->local->hw,
- &sdata->dfs_cac_timer_work, timeout);
+ &sdata->dfs_cac_timer_work,
+ msecs_to_jiffies(cac_time_ms));
out_unlock:
mutex_unlock(&local->mtx);
sdata_unlock(sdata);
}
-int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_csa_settings *params)
+static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_csa_settings *params,
+ u32 *changed)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx_conf *chanctx_conf;
- struct ieee80211_chanctx *chanctx;
- struct ieee80211_if_mesh __maybe_unused *ifmsh;
- int err, num_chanctx, changed = 0;
-
- sdata_assert_lock(sdata);
-
- if (!list_empty(&local->roc_list) || local->scanning)
- return -EBUSY;
-
- if (sdata->wdev.cac_started)
- return -EBUSY;
-
- if (cfg80211_chandef_identical(¶ms->chandef,
- &sdata->vif.bss_conf.chandef))
- return -EINVAL;
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
- if (!chanctx_conf) {
- rcu_read_unlock();
- return -EBUSY;
- }
-
- /* don't handle for multi-VIF cases */
- chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
- if (chanctx->refcount > 1) {
- rcu_read_unlock();
- return -EBUSY;
- }
- num_chanctx = 0;
- list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
- num_chanctx++;
- rcu_read_unlock();
-
- if (num_chanctx > 1)
- return -EBUSY;
-
- /* don't allow another channel switch if one is already active. */
- if (sdata->vif.csa_active)
- return -EBUSY;
+ int err;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
kfree(sdata->u.ap.next_beacon);
return err;
}
- changed |= err;
+ *changed |= err;
break;
case NL80211_IFTYPE_ADHOC:
err = ieee80211_ibss_csa_beacon(sdata, params);
if (err < 0)
return err;
- changed |= err;
+ *changed |= err;
}
ieee80211_send_action_csa(sdata, params);
break;
#ifdef CONFIG_MAC80211_MESH
- case NL80211_IFTYPE_MESH_POINT:
- ifmsh = &sdata->u.mesh;
+ case NL80211_IFTYPE_MESH_POINT: {
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
return -EINVAL;
ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
return err;
}
- changed |= err;
+ *changed |= err;
}
if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
ieee80211_send_action_csa(sdata, params);
break;
+ }
#endif
default:
return -EOPNOTSUPP;
}
+ return 0;
+}
+
+int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_csa_settings *params)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_chanctx *chanctx;
+ int err, num_chanctx, changed = 0;
+
+ sdata_assert_lock(sdata);
+
+ if (!list_empty(&local->roc_list) || local->scanning)
+ return -EBUSY;
+
+ if (sdata->wdev.cac_started)
+ return -EBUSY;
+
+ if (cfg80211_chandef_identical(¶ms->chandef,
+ &sdata->vif.bss_conf.chandef))
+ return -EINVAL;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (!chanctx_conf) {
+ rcu_read_unlock();
+ return -EBUSY;
+ }
+
+ /* don't handle for multi-VIF cases */
+ chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
+ if (chanctx->refcount > 1) {
+ rcu_read_unlock();
+ return -EBUSY;
+ }
+ num_chanctx = 0;
+ list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
+ num_chanctx++;
+ rcu_read_unlock();
+
+ if (num_chanctx > 1)
+ return -EBUSY;
+
+ /* don't allow another channel switch if one is already active. */
+ if (sdata->vif.csa_active)
+ return -EBUSY;
+
+ err = ieee80211_set_csa_beacon(sdata, params, &changed);
+ if (err)
+ return err;
+
sdata->csa_radar_required = params->radar_required;
if (params->block_tx)
struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
- int freq;
struct cfg80211_bss *cbss;
struct ieee80211_bss *bss;
struct sta_info *sta;
struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
bool rates_updated = false;
- if (elems->ds_params)
- freq = ieee80211_channel_to_frequency(elems->ds_params[0],
- band);
- else
- freq = rx_status->freq;
-
- channel = ieee80211_get_channel(local->hw.wiphy, freq);
-
- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+ channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
+ if (!channel)
return;
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked);
+void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
/* IBSS code */
struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
- int freq;
struct ieee80211_bss *bss;
struct ieee80211_channel *channel;
sdata_assert_lock(sdata);
- if (elems->ds_params)
- freq = ieee80211_channel_to_frequency(elems->ds_params[0],
- rx_status->band);
- else
- freq = rx_status->freq;
-
- channel = ieee80211_get_channel(local->hw.wiphy, freq);
-
- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+ channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
+ if (!channel)
return;
bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
channel);
if (bss) {
- ieee80211_rx_bss_put(local, bss);
sdata->vif.bss_conf.beacon_rate = bss->beacon_rate;
+ ieee80211_rx_bss_put(local, bss);
}
}
}
#ifdef CONFIG_PM
+void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+ sdata_lock(sdata);
+
+ if (ifmgd->auth_data) {
+ /*
+ * 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.
+ */
+ ieee80211_send_deauth_disassoc(sdata,
+ ifmgd->auth_data->bss->bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DEAUTH_LEAVING,
+ false, frame_buf);
+ ieee80211_destroy_auth_data(sdata, false);
+ cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
+ }
+
+ sdata_unlock(sdata);
+}
+
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
bool tx = !req->local_state_change;
- bool report_frame = false;
- sdata_info(sdata,
- "deauthenticating from %pM by local choice (Reason: %u=%s)\n",
- req->bssid, req->reason_code, ieee80211_get_reason_code_string(req->reason_code));
+ if (ifmgd->auth_data &&
+ ether_addr_equal(ifmgd->auth_data->bss->bssid, req->bssid)) {
+ sdata_info(sdata,
+ "aborting authentication with %pM by local choice (Reason: %u=%s)\n",
+ req->bssid, req->reason_code,
+ ieee80211_get_reason_code_string(req->reason_code));
- if (ifmgd->auth_data) {
drv_mgd_prepare_tx(sdata->local, sdata);
ieee80211_send_deauth_disassoc(sdata, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
frame_buf);
ieee80211_destroy_auth_data(sdata, false);
+ cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
- report_frame = true;
- goto out;
+ return 0;
}
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
+ sdata_info(sdata,
+ "deauthenticating from %pM by local choice (Reason: %u=%s)\n",
+ req->bssid, req->reason_code,
+ ieee80211_get_reason_code_string(req->reason_code));
+
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
req->reason_code, tx, frame_buf);
- report_frame = true;
- }
-
- out:
- if (report_frame)
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
+ return 0;
+ }
- return 0;
+ return -ENOTCONN;
}
int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
/* remove all interfaces that were created in the driver */
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata) ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_MONITOR)
+ if (!ieee80211_sdata_running(sdata))
continue;
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MONITOR:
+ continue;
+ case NL80211_IFTYPE_STATION:
+ ieee80211_mgd_quiesce(sdata);
+ break;
+ default:
+ break;
+ }
drv_remove_interface(local, sdata);
}
/* in VHT, STBC is binary */
if (status->flag & RX_FLAG_STBC_MASK)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;
+ if (status->vht_flag & RX_VHT_FLAG_BF)
+ *pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;
pos++;
/* bandwidth */
if (status->vht_flag & RX_VHT_FLAG_80MHZ)
if (ieee80211_is_data(hdr->frame_control)) {
sta->last_rx_rate_idx = status->rate_idx;
sta->last_rx_rate_flag = status->flag;
+ sta->last_rx_rate_vht_flag = status->vht_flag;
sta->last_rx_rate_vht_nss = status->vht_nss;
}
}
/* We don't want to restart sched scan anymore. */
local->sched_scan_req = NULL;
- if (rcu_access_pointer(local->sched_scan_sdata))
+ if (rcu_access_pointer(local->sched_scan_sdata)) {
ret = drv_sched_scan_stop(local, sdata);
-
+ if (!ret)
+ rcu_assign_pointer(local->sched_scan_sdata, NULL);
+ }
out:
mutex_unlock(&local->mtx);
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
}
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev);
if (!ieee80211_tx_prepare(sdata, &tx, skb))
break;
static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+ struct net_device *dev, bool notify)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
memset(&wdev->chandef, 0, sizeof(wdev->chandef));
wdev->ssid_len = 0;
rdev_set_qos_map(rdev, dev, NULL);
- nl80211_send_ap_stopped(wdev);
+ if (notify)
+ nl80211_send_ap_stopped(wdev);
}
return err;
}
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+ struct net_device *dev, bool notify)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
wdev_lock(wdev);
- err = __cfg80211_stop_ap(rdev, dev);
+ err = __cfg80211_stop_ap(rdev, dev, notify);
wdev_unlock(wdev);
return err;
return r;
}
+static unsigned int cfg80211_get_chans_dfs_cac_time(struct wiphy *wiphy,
+ u32 center_freq,
+ u32 bandwidth)
+{
+ struct ieee80211_channel *c;
+ u32 start_freq, end_freq, freq;
+ unsigned int dfs_cac_ms = 0;
+
+ start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
+ end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
+
+ for (freq = start_freq; freq <= end_freq; freq += 20) {
+ c = ieee80211_get_channel(wiphy, freq);
+ if (!c)
+ return 0;
+
+ if (c->flags & IEEE80211_CHAN_DISABLED)
+ return 0;
+
+ if (!(c->flags & IEEE80211_CHAN_RADAR))
+ continue;
+
+ if (c->dfs_cac_ms > dfs_cac_ms)
+ dfs_cac_ms = c->dfs_cac_ms;
+ }
+
+ return dfs_cac_ms;
+}
+
+unsigned int
+cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef)
+{
+ int width;
+ unsigned int t1 = 0, t2 = 0;
+
+ if (WARN_ON(!cfg80211_chandef_valid(chandef)))
+ return 0;
+
+ width = cfg80211_chandef_get_width(chandef);
+ if (width < 0)
+ return 0;
+
+ t1 = cfg80211_get_chans_dfs_cac_time(wiphy,
+ chandef->center_freq1,
+ width);
+
+ if (!chandef->center_freq2)
+ return t1;
+
+ t2 = cfg80211_get_chans_dfs_cac_time(wiphy,
+ chandef->center_freq2,
+ width);
+
+ return max(t1, t2);
+}
static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
u32 center_freq, u32 bandwidth,
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- cfg80211_stop_ap(rdev, dev);
+ cfg80211_stop_ap(rdev, dev, true);
break;
default:
break;
mutex_unlock(&wdev->mtx);
}
-#define ASSERT_RDEV_LOCK(rdev) ASSERT_RTNL()
#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
unsigned long age_secs);
/* IBSS */
-int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_ibss_params *params,
- struct cfg80211_cached_keys *connkeys);
int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_ibss_params *params,
/* AP */
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev);
+ struct net_device *dev, bool notify);
/* MLME */
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
void cfg80211_dfs_channels_update_work(struct work_struct *work);
+unsigned int
+cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef);
static inline int
cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
units = $8
sub(/\)/, "", units)
sub(/,/, "", units)
+ dfs_cac = $9
if (units == "mW") {
if (power == 100) {
power = 20
} else {
print "Unknown power value in database!"
}
+ } else {
+ dfs_cac = $8
}
+ sub(/,/, "", dfs_cac)
+ sub(/\(/, "", dfs_cac)
+ sub(/\)/, "", dfs_cac)
flagstr = ""
for (i=8; i<=NF; i++)
flagstr = flagstr $i
}
flags = flags "0"
- printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
+ printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
rules++
}
}
EXPORT_SYMBOL(cfg80211_ibss_joined);
-int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_ibss_params *params,
- struct cfg80211_cached_keys *connkeys)
+static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_ibss_params *params,
+ struct cfg80211_cached_keys *connkeys)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct ieee80211_channel *check_chan;
switch (event) {
case NL80211_RADAR_CAC_FINISHED:
timeout = wdev->cac_start_time +
- msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
+ msecs_to_jiffies(wdev->cac_time_ms);
WARN_ON(!time_after_eq(jiffies, timeout));
cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_AVAILABLE);
break;
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
time))
goto nla_put_failure;
+ if (nla_put_u32(msg,
+ NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
+ chan->dfs_cac_ms))
+ goto nla_put_failure;
}
}
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- return cfg80211_stop_ap(rdev, dev);
+ return cfg80211_stop_ap(rdev, dev, false);
}
static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
[NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
[NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+ [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
};
static int parse_reg_rule(struct nlattr *tb[],
power_rule->max_antenna_gain =
nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
+ if (tb[NL80211_ATTR_DFS_CAC_TIME])
+ reg_rule->dfs_cac_ms =
+ nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
+
return 0;
}
nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
power_rule->max_antenna_gain) ||
nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
- power_rule->max_eirp))
+ power_rule->max_eirp) ||
+ nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
+ reg_rule->dfs_cac_ms))
goto nla_put_failure_rcu;
nla_nest_end(msg, nl_reg_rule);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_chan_def chandef;
enum nl80211_dfs_regions dfs_region;
+ unsigned int cac_time_ms;
int err;
dfs_region = reg_get_dfs_region(wdev->wiphy);
if (err)
return err;
- err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
+ cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
+ if (WARN_ON(!cac_time_ms))
+ cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+
+ err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef,
+ cac_time_ms);
if (!err) {
wdev->chandef = chandef;
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
+ wdev->cac_time_ms = cac_time_ms;
}
return err;
}
/* To trigger userspace events */
static struct platform_device *reg_pdev;
-static const struct device_type reg_device_type = {
- .uevent = reg_device_uevent,
-};
-
/*
* Central wireless core regulatory domains, we only need two,
* the current one and a world regulatory domain in case we have no
module_param(ieee80211_regdom, charp, 0444);
MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
-static void reg_kfree_last_request(void)
+static void reg_free_request(struct regulatory_request *lr)
{
- struct regulatory_request *lr;
-
- lr = get_last_request();
-
if (lr != &core_request_world && lr)
kfree_rcu(lr, rcu_head);
}
static void reg_update_last_request(struct regulatory_request *request)
{
- reg_kfree_last_request();
+ struct regulatory_request *lr;
+
+ lr = get_last_request();
+ if (lr == request)
+ return;
+
+ reg_free_request(lr);
rcu_assign_pointer(last_request, request);
}
/*
* This lets us keep regulatory code which is updated on a regulatory
- * basis in userspace. Country information is filled in by
- * reg_device_uevent
+ * basis in userspace.
*/
static int call_crda(const char *alpha2)
{
+ char country[12];
+ char *env[] = { country, NULL };
+
+ snprintf(country, sizeof(country), "COUNTRY=%c%c",
+ alpha2[0], alpha2[1]);
+
if (!is_world_regdom((char *) alpha2))
pr_info("Calling CRDA for country: %c%c\n",
alpha2[0], alpha2[1]);
/* query internal regulatory database (if it exists) */
reg_regdb_query(alpha2);
- return kobject_uevent(®_pdev->dev.kobj, KOBJ_CHANGE);
+ return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env);
}
static enum reg_request_treatment
power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain,
power_rule2->max_antenna_gain);
+ intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms,
+ rule2->dfs_cac_ms);
+
if (!is_valid_reg_rule(intersected_rule))
return -EINVAL;
min_t(int, chan->orig_mag,
MBI_TO_DBI(power_rule->max_antenna_gain));
chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
+
+ if (chan->flags & IEEE80211_CHAN_RADAR) {
+ if (reg_rule->dfs_cac_ms)
+ chan->dfs_cac_ms = reg_rule->dfs_cac_ms;
+ else
+ chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+ }
+
if (chan->orig_mpwr) {
/*
* Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
- char bw[32];
+ char bw[32], cac_time[32];
- pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
+ pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n");
for (i = 0; i < rd->n_reg_rules; i++) {
reg_rule = &rd->reg_rules[i];
snprintf(bw, sizeof(bw), "%d KHz",
freq_range->max_bandwidth_khz);
+ if (reg_rule->flags & NL80211_RRF_DFS)
+ scnprintf(cac_time, sizeof(cac_time), "%u s",
+ reg_rule->dfs_cac_ms/1000);
+ else
+ scnprintf(cac_time, sizeof(cac_time), "N/A");
+
+
/*
* There may not be documentation for max antenna gain
* in certain regions
*/
if (power_rule->max_antenna_gain)
- pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm)\n",
+ pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
bw,
power_rule->max_antenna_gain,
- power_rule->max_eirp);
+ power_rule->max_eirp,
+ cac_time);
else
- pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm)\n",
+ pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
bw,
- power_rule->max_eirp);
+ power_rule->max_eirp,
+ cac_time);
}
}
{
const struct ieee80211_regdomain *intersected_rd = NULL;
- if (is_world_regdom(rd->alpha2))
- return -EINVAL;
-
if (!regdom_changes(rd->alpha2))
return -EALREADY;
return 0;
}
-int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- struct regulatory_request *lr;
- u8 alpha2[2];
- bool add = false;
-
- rcu_read_lock();
- lr = get_last_request();
- if (lr && !lr->processed) {
- memcpy(alpha2, lr->alpha2, 2);
- add = true;
- }
- rcu_read_unlock();
-
- if (add)
- return add_uevent_var(env, "COUNTRY=%c%c",
- alpha2[0], alpha2[1]);
- return 0;
-}
-
void wiphy_regulatory_register(struct wiphy *wiphy)
{
struct regulatory_request *lr;
if (IS_ERR(reg_pdev))
return PTR_ERR(reg_pdev);
- reg_pdev->dev.type = ®_device_type;
-
spin_lock_init(®_requests_lock);
spin_lock_init(®_pending_beacons_lock);
int regulatory_hint_user(const char *alpha2,
enum nl80211_user_reg_hint_type user_reg_hint_type);
-int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env);
void wiphy_regulatory_register(struct wiphy *wiphy);
void wiphy_regulatory_deregister(struct wiphy *wiphy);
continue;
if (ssidlen && ie[1] != ssidlen)
continue;
- /* that would be odd ... */
- if (bss->pub.beacon_ies)
- continue;
if (WARN_ON_ONCE(bss->pub.hidden_beacon_bss))
continue;
if (WARN_ON_ONCE(!list_empty(&bss->hidden_list)))
/* Returned bss is reference counted and must be cleaned up appropriately. */
static struct cfg80211_internal_bss *
cfg80211_bss_update(struct cfg80211_registered_device *dev,
- struct cfg80211_internal_bss *tmp)
+ struct cfg80211_internal_bss *tmp,
+ bool signal_valid)
{
struct cfg80211_internal_bss *found = NULL;
}
found->pub.beacon_interval = tmp->pub.beacon_interval;
- found->pub.signal = tmp->pub.signal;
+ /*
+ * don't update the signal if beacon was heard on
+ * adjacent channel.
+ */
+ if (signal_valid)
+ found->pub.signal = tmp->pub.signal;
found->pub.capability = tmp->pub.capability;
found->ts = tmp->ts;
} else {
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss*
cfg80211_inform_bss_width(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp)
{
struct cfg80211_bss_ies *ies;
+ struct ieee80211_channel *channel;
struct cfg80211_internal_bss tmp = {}, *res;
if (WARN_ON(!wiphy))
(signal < 0 || signal > 100)))
return NULL;
- channel = cfg80211_get_bss_channel(wiphy, ie, ielen, channel);
+ channel = cfg80211_get_bss_channel(wiphy, ie, ielen, rx_channel);
if (!channel)
return NULL;
rcu_assign_pointer(tmp.pub.beacon_ies, ies);
rcu_assign_pointer(tmp.pub.ies, ies);
- res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp);
+ res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp,
+ rx_channel == channel);
if (!res)
return NULL;
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *
cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
+ struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
struct ieee80211_mgmt *mgmt, size_t len,
s32 signal, gfp_t gfp)
{
struct cfg80211_internal_bss tmp = {}, *res;
struct cfg80211_bss_ies *ies;
+ struct ieee80211_channel *channel;
size_t ielen = len - offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
- trace_cfg80211_inform_bss_width_frame(wiphy, channel, scan_width, mgmt,
+ trace_cfg80211_inform_bss_width_frame(wiphy, rx_channel, scan_width, mgmt,
len, signal);
if (WARN_ON(!mgmt))
return NULL;
channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable,
- ielen, channel);
+ ielen, rx_channel);
if (!channel)
return NULL;
tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
- res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp);
+ res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp,
+ rx_channel == channel);
if (!res)
return NULL;
int n_channels, err;
ASSERT_RTNL();
- ASSERT_RDEV_LOCK(rdev);
ASSERT_WDEV_LOCK(wdev);
if (rdev->scan_req || rdev->scan_msg)
struct wireless_dev *wdev;
ASSERT_RTNL();
- ASSERT_RDEV_LOCK(rdev);
list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
int err;
enum nl80211_iftype otype = dev->ieee80211_ptr->iftype;
- ASSERT_RDEV_LOCK(rdev);
+ ASSERT_RTNL();
/* don't support changing VLANs, you just re-create them */
if (otype == NL80211_IFTYPE_AP_VLAN)
switch (otype) {
case NL80211_IFTYPE_AP:
- cfg80211_stop_ap(rdev, dev);
+ cfg80211_stop_ap(rdev, dev, true);
break;
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, false);
const u8 *prev_bssid = NULL;
int err, i;
- ASSERT_RDEV_LOCK(rdev);
+ ASSERT_RTNL();
ASSERT_WDEV_LOCK(wdev);
if (!netif_running(wdev->netdev))
projects / deliverable / linux.git / commitdiff
