memcpy(ie + 2, vif->ssid, vif->ssid_len);
memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
bss = cfg80211_inform_bss(ar->wiphy, chan,
+ CFG80211_BSS_FTYPE_UNKNOWN,
bssid, 0, cap_val, 100,
ie, 2 + vif->ssid_len + beacon_ie_len,
0, GFP_KERNEL);
dlen, freq, vif->probe_req_report);
if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
- cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
- GFP_ATOMIC);
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
return 0;
}
return -EINVAL;
}
ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
- cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, GFP_ATOMIC);
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
return 0;
}
u8 *buf;
struct ieee80211_channel *channel;
struct ath6kl *ar = wmi->parent_dev;
- struct ieee80211_mgmt *mgmt;
struct cfg80211_bss *bss;
if (len <= sizeof(struct wmi_bss_info_hdr2))
}
}
- /*
- * In theory, use of cfg80211_inform_bss() would be more natural here
- * since we do not have the full frame. However, at least for now,
- * cfg80211 can only distinguish Beacon and Probe Response frames from
- * each other when using cfg80211_inform_bss_frame(), so let's build a
- * fake IEEE 802.11 header to be able to take benefit of this.
- */
- mgmt = kmalloc(24 + len, GFP_ATOMIC);
- if (mgmt == NULL)
- return -EINVAL;
-
- if (bih->frame_type == BEACON_FTYPE) {
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_BEACON);
- memset(mgmt->da, 0xff, ETH_ALEN);
- } else {
- struct net_device *dev = vif->ndev;
-
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
- }
- mgmt->duration = cpu_to_le16(0);
- memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
- memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
- mgmt->seq_ctrl = cpu_to_le16(0);
-
- memcpy(&mgmt->u.beacon, buf, len);
-
- bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
- 24 + len, (bih->snr - 95) * 100,
- GFP_ATOMIC);
- kfree(mgmt);
+ bss = cfg80211_inform_bss(ar->wiphy, channel,
+ bih->frame_type == BEACON_FTYPE ?
+ CFG80211_BSS_FTYPE_BEACON :
+ CFG80211_BSS_FTYPE_PRESP,
+ bih->bssid, get_unaligned_le64((__le64 *)buf),
+ get_unaligned_le16(((__le16 *)buf) + 5),
+ get_unaligned_le16(((__le16 *)buf) + 4),
+ buf + 8 + 2 + 2, len - 8 - 2 - 2,
+ (bih->snr - 95) * 100, GFP_ATOMIC);
if (bss == NULL)
return -ENOMEM;
cfg80211_put_bss(ar->wiphy, bss);
rx_mgmt_frame->bssid);
cfg80211_put_bss(wiphy, bss);
} else {
- wil_err(wil, "cfg80211_inform_bss() failed\n");
+ wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
}
} else {
cfg80211_rx_mgmt(wil->wdev, freq, signal,
- (void *)rx_mgmt_frame, d_len, 0, GFP_ATOMIC);
+ (void *)rx_mgmt_frame, d_len, 0);
}
}
IEEE80211_BAND_5GHZ);
wdev = &ifp->vif->wdev;
- cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0,
- GFP_ATOMIC);
+ cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0);
kfree(mgmt_frame);
return 0;
IEEE80211_BAND_2GHZ :
IEEE80211_BAND_5GHZ);
- cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0,
- GFP_ATOMIC);
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0);
brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n",
mgmt_frame_len, e->datalen, chanspec, freq);
brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
- bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
- 0, notify_capability, notify_interval, notify_ie,
- notify_ielen, notify_signal, GFP_KERNEL);
+ bss = cfg80211_inform_bss(wiphy, notify_channel,
+ CFG80211_BSS_FTYPE_UNKNOWN,
+ (const u8 *)bi->BSSID,
+ 0, notify_capability,
+ notify_interval, notify_ie,
+ notify_ielen, notify_signal,
+ GFP_KERNEL);
if (!bss)
return -ENOMEM;
brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
brcmf_dbg(CONN, "signal: %d\n", notify_signal);
- bss = cfg80211_inform_bss(wiphy, notify_channel, bssid,
- 0, notify_capability, notify_interval,
- notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
+ bss = cfg80211_inform_bss(wiphy, notify_channel,
+ CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
+ notify_capability, notify_interval,
+ notify_ie, notify_ielen, notify_signal,
+ GFP_KERNEL);
if (!bss) {
err = -ENOMEM;
if (channel &&
!(channel->flags & IEEE80211_CHAN_DISABLED)) {
bss = cfg80211_inform_bss(wiphy, channel,
+ CFG80211_BSS_FTYPE_UNKNOWN,
bssid, get_unaligned_le64(tsfdesc),
capa, intvl, ie, ielen,
LBS_SCAN_RSSI_TO_MBM(rssi),
bss = cfg80211_inform_bss(priv->wdev->wiphy,
params->chandef.chan,
+ CFG80211_BSS_FTYPE_UNKNOWN,
bssid,
0,
capability,
band));
bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
+ CFG80211_BSS_FTYPE_UNKNOWN,
bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
0, ie_buf, ie_len, 0, GFP_KERNEL);
cfg80211_put_bss(priv->wdev->wiphy, bss);
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
bss = cfg80211_inform_bss(priv->wdev->wiphy,
- chan, bssid, timestamp,
+ chan, CFG80211_BSS_FTYPE_UNKNOWN,
+ bssid, timestamp,
cap_info_bitmap, beacon_period,
ie_buf, ie_len, rssi, GFP_KERNEL);
bss_priv = (struct mwifiex_bss_priv *)bss->priv;
cfg80211_rx_mgmt(priv->wdev, priv->roc_cfg.chan.center_freq,
CAL_RSSI(rx_pd->snr, rx_pd->nf), skb->data, pkt_len,
- 0, GFP_ATOMIC);
+ 0);
return 0;
}
beacon_interval = le16_to_cpu(bss->a.beacon_interv);
signal = SIGNAL_TO_MBM(le16_to_cpu(bss->a.level));
- cbss = cfg80211_inform_bss(wiphy, channel, bss->a.bssid, timestamp,
- capability, beacon_interval, ie_buf, ie_len,
- signal, GFP_KERNEL);
+ cbss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN,
+ bss->a.bssid, timestamp, capability,
+ beacon_interval, ie_buf, ie_len, signal,
+ GFP_KERNEL);
cfg80211_put_bss(wiphy, cbss);
}
ie = bss->data;
signal = SIGNAL_TO_MBM(bss->level);
- cbss = cfg80211_inform_bss(wiphy, channel, bss->bssid, timestamp,
- capability, beacon_interval, ie, ie_len,
- signal, GFP_KERNEL);
+ cbss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN,
+ bss->bssid, timestamp, capability,
+ beacon_interval, ie, ie_len, signal,
+ GFP_KERNEL);
cfg80211_put_bss(wiphy, cbss);
}
capability = le16_to_cpu(fixed->capabilities);
beacon_interval = le16_to_cpu(fixed->beacon_interval);
- bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
- timestamp, capability, beacon_interval, ie, ie_len, signal,
- GFP_KERNEL);
+ bss = cfg80211_inform_bss(priv->wdev.wiphy, channel,
+ CFG80211_BSS_FTYPE_UNKNOWN, bssid->mac,
+ timestamp, capability, beacon_interval,
+ ie, ie_len, signal, GFP_KERNEL);
cfg80211_put_bss(priv->wdev.wiphy, bss);
return (bss != NULL);
bssid, (u32)timestamp, capability, beacon_period, ie_len,
ssid.essid, signal);
- bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
- timestamp, capability, beacon_period, ie_buf, ie_len,
- signal, GFP_KERNEL);
+ bss = cfg80211_inform_bss(priv->wdev.wiphy, channel,
+ CFG80211_BSS_FTYPE_UNKNOWN, bssid,
+ timestamp, capability, beacon_period,
+ ie_buf, ie_len, signal, GFP_KERNEL);
cfg80211_put_bss(priv->wdev.wiphy, bss);
}
IEEE80211_BAND_5GHZ);
if (cfg80211_rx_mgmt(padapter->rtw_wdev, freq, 0, pframe,
- skb->len, 0, GFP_ATOMIC))
+ skb->len, 0))
return _SUCCESS;
return _FAIL;
}
bss = cfg80211_inform_bss(wiphy, notify_channel,
+ CFG80211_BSS_FTYPE_UNKNOWN,
pnetwork->network.MacAddress,
pnetwork->network.tsf,
pnetwork->network.capability,
IEEE80211_BAND_5GHZ);
cfg80211_rx_mgmt(padapter->rtw_wdev, freq, 0, pmgmt_frame, frame_len,
- 0, GFP_ATOMIC);
+ 0);
#endif /* defined(RTW_USE_CFG80211_STA_EVENT) */
}
frame_len = sizeof(struct ieee80211_hdr_3addr) + 2;
cfg80211_rx_mgmt(padapter->rtw_wdev, freq, 0, (u8 *)&mgmt, frame_len,
- 0, GFP_ATOMIC);
+ 0);
#endif /* defined(RTW_USE_CFG80211_STA_EVENT) */
}
IEEE80211_BAND_2GHZ);
bss = cfg80211_inform_bss(wiphy,
ieee80211_get_channel(wiphy, freq),
+ CFG80211_BSS_FTYPE_UNKNOWN,
(const u8 *) &(msg2.bssid.data.data),
msg2.timestamp.data, msg2.capinfo.data,
msg2.beaconperiod.data,
#define WLAN_SA_QUERY_TR_ID_LEN 2
+/**
+ * struct ieee80211_tpc_report_ie
+ *
+ * This structure refers to "TPC Report element"
+ */
+struct ieee80211_tpc_report_ie {
+ u8 tx_power;
+ u8 link_margin;
+} __packed;
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
u8 action_code;
u8 operating_mode;
} __packed vht_opmode_notif;
+ struct {
+ u8 action_code;
+ u8 dialog_token;
+ u8 tpc_elem_id;
+ u8 tpc_elem_length;
+ struct ieee80211_tpc_report_ie tpc;
+ } __packed tpc_report;
} u;
} __packed action;
} u;
WLAN_CATEGORY_DLS = 2,
WLAN_CATEGORY_BACK = 3,
WLAN_CATEGORY_PUBLIC = 4,
+ WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
WLAN_CATEGORY_HT = 7,
WLAN_CATEGORY_SA_QUERY = 8,
WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+/**
+ * ieee80211_action_contains_tpc - checks if the frame contains TPC element
+ * @skb: the skb containing the frame, length will be checked
+ *
+ * This function checks if it's either TPC report action frame or Link
+ * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
+ * and 8.5.7.5 accordingly.
+ */
+static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (!ieee80211_is_action(mgmt->frame_control))
+ return false;
+
+ if (skb->len < IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.tpc_report))
+ return false;
+
+ /*
+ * TPC report - check that:
+ * category = 0 (Spectrum Management) or 5 (Radio Measurement)
+ * spectrum management action = 3 (TPC/Link Measurement report)
+ * TPC report EID = 35
+ * TPC report element length = 2
+ *
+ * The spectrum management's tpc_report struct is used here both for
+ * parsing tpc_report and radio measurement's link measurement report
+ * frame, since the relevant part is identical in both frames.
+ */
+ if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
+ mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
+ return false;
+
+ /* both spectrum mgmt and link measurement have same action code */
+ if (mgmt->u.action.u.tpc_report.action_code !=
+ WLAN_ACTION_SPCT_TPC_RPRT)
+ return false;
+
+ if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
+ mgmt->u.action.u.tpc_report.tpc_elem_length !=
+ sizeof(struct ieee80211_tpc_report_ie))
+ return false;
+
+ return true;
+}
+
#endif /* LINUX_IEEE80211_H */
* @tsf: TSF contained in the frame that carried these IEs
* @rcu_head: internal use, for freeing
* @len: length of the IEs
+ * @from_beacon: these IEs are known to come from a beacon
* @data: IE data
*/
struct cfg80211_bss_ies {
u64 tsf;
struct rcu_head rcu_head;
int len;
+ bool from_beacon;
u8 data[];
};
}
/**
- * cfg80211_inform_bss - inform cfg80211 of a new BSS
+ * enum cfg80211_bss_frame_type - frame type that the BSS data came from
+ * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is
+ * from a beacon or probe response
+ * @CFG80211_BSS_FTYPE_BEACON: data comes from a beacon
+ * @CFG80211_BSS_FTYPE_PRESP: data comes from a probe response
+ */
+enum cfg80211_bss_frame_type {
+ CFG80211_BSS_FTYPE_UNKNOWN,
+ CFG80211_BSS_FTYPE_BEACON,
+ CFG80211_BSS_FTYPE_PRESP,
+};
+
+/**
+ * cfg80211_inform_bss_width - inform cfg80211 of a new BSS
*
* @wiphy: the wiphy reporting the BSS
* @rx_channel: The channel the frame was received on
* @scan_width: width of the control channel
+ * @ftype: frame type (if known)
* @bssid: the BSSID of the BSS
* @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
* @capability: the capability field sent by the peer
cfg80211_inform_bss_width(struct wiphy *wiphy,
struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
+ enum cfg80211_bss_frame_type ftype,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp);
static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss(struct wiphy *wiphy,
struct ieee80211_channel *rx_channel,
+ enum cfg80211_bss_frame_type ftype,
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, rx_channel,
- NL80211_BSS_CHAN_WIDTH_20,
+ NL80211_BSS_CHAN_WIDTH_20, ftype,
bssid, tsf, capability,
beacon_interval, ie, ielen, signal,
gfp);
* @buf: Management frame (header + body)
* @len: length of the frame data
* @flags: flags, as defined in enum nl80211_rxmgmt_flags
- * @gfp: context flags
*
* This function is called whenever an Action frame is received for a station
* mode interface, but is not processed in kernel.
* driver is responsible for rejecting the frame.
*/
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
- const u8 *buf, size_t len, u32 flags, gfp_t gfp);
+ const u8 *buf, size_t len, u32 flags);
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
*
* @IEEE80211_KEY_FLAG_GENERATE_IV: This flag should be set by the
* driver to indicate that it requires IV generation for this
- * particular key.
+ * particular key. Setting this flag does not necessarily mean that SKBs
+ * will have sufficient tailroom for ICV or MIC.
* @IEEE80211_KEY_FLAG_GENERATE_MMIC: This flag should be set by
* the driver for a TKIP key if it requires Michael MIC
* generation in software.
* @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver
* if space should be prepared for the IV, but the IV
* itself should not be generated. Do not set together with
- * @IEEE80211_KEY_FLAG_GENERATE_IV on the same key.
+ * @IEEE80211_KEY_FLAG_GENERATE_IV on the same key. Setting this flag does
+ * not necessarily mean that SKBs will have sufficient tailroom for ICV or
+ * MIC.
* @IEEE80211_KEY_FLAG_RX_MGMT: This key will be used to decrypt received
* management frames. The flag can help drivers that have a hardware
* crypto implementation that doesn't deal with management frames
* @supp_rates: Bitmap of supported rates (per band)
* @ht_cap: HT capabilities of this STA; restricted to our own capabilities
* @vht_cap: VHT capabilities of this STA; restricted to our own capabilities
- * @wme: indicates whether the STA supports WME. Only valid during AP-mode.
+ * @wme: indicates whether the STA supports QoS/WME.
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
* @uapsd_queues: bitmap of queues configured for uapsd. Only valid
* is not enabled the default action is to disconnect when getting the
* CSA frame.
*
+ * @IEEE80211_HW_SUPPORTS_CLONED_SKBS: The driver will never modify the payload
+ * or tailroom of TX skbs without copying them first.
+ *
* @IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands
* in one command, mac80211 doesn't have to run separate scans per band.
*/
IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26,
IEEE80211_HW_SUPPORTS_HT_CCK_RATES = 1<<27,
IEEE80211_HW_CHANCTX_STA_CSA = 1<<28,
- /* bit 29 unused */
+ IEEE80211_HW_SUPPORTS_CLONED_SKBS = 1<<29,
IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS = 1<<30,
};
* @NL80211_BSS_BSSID: BSSID of the BSS (6 octets)
* @NL80211_BSS_FREQUENCY: frequency in MHz (u32)
* @NL80211_BSS_TSF: TSF of the received probe response/beacon (u64)
+ * (if @NL80211_BSS_PRESP_DATA is present then this is known to be
+ * from a probe response, otherwise it may be from the same beacon
+ * that the NL80211_BSS_BEACON_TSF will be from)
* @NL80211_BSS_BEACON_INTERVAL: beacon interval of the (I)BSS (u16)
* @NL80211_BSS_CAPABILITY: capability field (CPU order, u16)
* @NL80211_BSS_INFORMATION_ELEMENTS: binary attribute containing the
* raw information elements from the probe response/beacon (bin);
- * if the %NL80211_BSS_BEACON_IES attribute is present, the IEs here are
- * from a Probe Response frame; otherwise they are from a Beacon frame.
+ * if the %NL80211_BSS_BEACON_IES attribute is present and the data is
+ * different then the IEs here are from a Probe Response frame; otherwise
+ * they are from a Beacon frame.
* However, if the driver does not indicate the source of the IEs, these
* IEs may be from either frame subtype.
+ * If present, the @NL80211_BSS_PRESP_DATA attribute indicates that the
+ * data here is known to be from a probe response, without any heuristics.
* @NL80211_BSS_SIGNAL_MBM: signal strength of probe response/beacon
* in mBm (100 * dBm) (s32)
* @NL80211_BSS_SIGNAL_UNSPEC: signal strength of the probe response/beacon
* yet been received
* @NL80211_BSS_CHAN_WIDTH: channel width of the control channel
* (u32, enum nl80211_bss_scan_width)
+ * @NL80211_BSS_BEACON_TSF: TSF of the last received beacon (u64)
+ * (not present if no beacon frame has been received yet)
+ * @NL80211_BSS_PRESP_DATA: the data in @NL80211_BSS_INFORMATION_ELEMENTS and
+ * @NL80211_BSS_TSF is known to be from a probe response (flag attribute)
* @__NL80211_BSS_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
NL80211_BSS_SEEN_MS_AGO,
NL80211_BSS_BEACON_IES,
NL80211_BSS_CHAN_WIDTH,
+ NL80211_BSS_BEACON_TSF,
+ NL80211_BSS_PRESP_DATA,
/* keep last */
__NL80211_BSS_AFTER_LAST,
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_WME))
+ sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
if (set & BIT(NL80211_STA_FLAG_MFP))
band = chanctx_conf->def.chan->band;
sta = sta_info_get_bss(sdata, peer);
if (sta) {
- qos = test_sta_flag(sta, WLAN_STA_WME);
+ qos = sta->sta.wme;
} else {
rcu_read_unlock();
return -ENOLINK;
compat = cfg80211_chandef_compatible(
&sdata->vif.bss_conf.chandef, compat);
- if (!compat)
+ if (WARN_ON_ONCE(!compat))
break;
}
rcu_read_unlock();
- if (WARN_ON_ONCE(!compat))
+ if (!compat)
return;
ieee80211_change_chanctx(local, ctx, compat);
return ret;
}
-static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx_conf *conf;
- struct ieee80211_chanctx *ctx;
- bool use_reserved_switch = false;
-
- lockdep_assert_held(&local->chanctx_mtx);
-
- conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (!conf)
- return;
-
- ctx = container_of(conf, struct ieee80211_chanctx, conf);
-
- if (sdata->reserved_chanctx) {
- if (sdata->reserved_chanctx->replace_state ==
- IEEE80211_CHANCTX_REPLACES_OTHER &&
- ieee80211_chanctx_num_reserved(local,
- sdata->reserved_chanctx) > 1)
- use_reserved_switch = true;
-
- ieee80211_vif_unreserve_chanctx(sdata);
- }
-
- ieee80211_assign_vif_chanctx(sdata, NULL);
- if (ieee80211_chanctx_refcount(local, ctx) == 0)
- ieee80211_free_chanctx(local, ctx);
-
- /* Unreserving may ready an in-place reservation. */
- if (use_reserved_switch)
- ieee80211_vif_use_reserved_switch(local);
-}
-
void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *chanctx)
{
drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RX_CHAINS);
}
-int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
- const struct cfg80211_chan_def *chandef,
- enum ieee80211_chanctx_mode mode)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx *ctx;
- u8 radar_detect_width = 0;
- int ret;
-
- lockdep_assert_held(&local->mtx);
-
- WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));
-
- mutex_lock(&local->chanctx_mtx);
-
- ret = cfg80211_chandef_dfs_required(local->hw.wiphy,
- chandef,
- sdata->wdev.iftype);
- if (ret < 0)
- goto out;
- if (ret > 0)
- radar_detect_width = BIT(chandef->width);
-
- sdata->radar_required = ret;
-
- ret = ieee80211_check_combinations(sdata, chandef, mode,
- radar_detect_width);
- if (ret < 0)
- goto out;
-
- __ieee80211_vif_release_channel(sdata);
-
- ctx = ieee80211_find_chanctx(local, chandef, mode);
- if (!ctx)
- ctx = ieee80211_new_chanctx(local, chandef, mode);
- if (IS_ERR(ctx)) {
- ret = PTR_ERR(ctx);
- goto out;
- }
-
- sdata->vif.bss_conf.chandef = *chandef;
-
- ret = ieee80211_assign_vif_chanctx(sdata, ctx);
- if (ret) {
- /* if assign fails refcount stays the same */
- if (ieee80211_chanctx_refcount(local, ctx) == 0)
- ieee80211_free_chanctx(local, ctx);
- goto out;
- }
-
- ieee80211_recalc_smps_chanctx(local, ctx);
- ieee80211_recalc_radar_chanctx(local, ctx);
- out:
- mutex_unlock(&local->chanctx_mtx);
- return ret;
-}
-
static void
__ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
bool clear)
return err;
}
-int
-ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
+static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *sdata_tmp;
struct ieee80211_chanctx *ctx, *ctx_tmp, *old_ctx;
return err;
}
+static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *conf;
+ struct ieee80211_chanctx *ctx;
+ bool use_reserved_switch = false;
+
+ lockdep_assert_held(&local->chanctx_mtx);
+
+ conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (!conf)
+ return;
+
+ ctx = container_of(conf, struct ieee80211_chanctx, conf);
+
+ if (sdata->reserved_chanctx) {
+ if (sdata->reserved_chanctx->replace_state ==
+ IEEE80211_CHANCTX_REPLACES_OTHER &&
+ ieee80211_chanctx_num_reserved(local,
+ sdata->reserved_chanctx) > 1)
+ use_reserved_switch = true;
+
+ ieee80211_vif_unreserve_chanctx(sdata);
+ }
+
+ ieee80211_assign_vif_chanctx(sdata, NULL);
+ if (ieee80211_chanctx_refcount(local, ctx) == 0)
+ ieee80211_free_chanctx(local, ctx);
+
+ /* Unreserving may ready an in-place reservation. */
+ if (use_reserved_switch)
+ ieee80211_vif_use_reserved_switch(local);
+}
+
+int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx *ctx;
+ u8 radar_detect_width = 0;
+ int ret;
+
+ lockdep_assert_held(&local->mtx);
+
+ WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));
+
+ mutex_lock(&local->chanctx_mtx);
+
+ ret = cfg80211_chandef_dfs_required(local->hw.wiphy,
+ chandef,
+ sdata->wdev.iftype);
+ if (ret < 0)
+ goto out;
+ if (ret > 0)
+ radar_detect_width = BIT(chandef->width);
+
+ sdata->radar_required = ret;
+
+ ret = ieee80211_check_combinations(sdata, chandef, mode,
+ radar_detect_width);
+ if (ret < 0)
+ goto out;
+
+ __ieee80211_vif_release_channel(sdata);
+
+ ctx = ieee80211_find_chanctx(local, chandef, mode);
+ if (!ctx)
+ ctx = ieee80211_new_chanctx(local, chandef, mode);
+ if (IS_ERR(ctx)) {
+ ret = PTR_ERR(ctx);
+ goto out;
+ }
+
+ sdata->vif.bss_conf.chandef = *chandef;
+
+ ret = ieee80211_assign_vif_chanctx(sdata, ctx);
+ if (ret) {
+ /* if assign fails refcount stays the same */
+ if (ieee80211_chanctx_refcount(local, ctx) == 0)
+ ieee80211_free_chanctx(local, ctx);
+ goto out;
+ }
+
+ ieee80211_recalc_smps_chanctx(local, ctx);
+ ieee80211_recalc_radar_chanctx(local, ctx);
+ out:
+ mutex_unlock(&local->chanctx_mtx);
+ return ret;
+}
+
int ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
TEST(SHORT_PREAMBLE),
- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
+ sta->sta.wme ? "WME\n" : "",
+ TEST(WDS), TEST(CLEAR_PS_FILT),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
}
if (sta && elems->wmm_info)
- set_sta_flag(sta, WLAN_STA_WME);
+ sta->sta.wme = true;
if (sta && elems->ht_operation && elems->ht_cap_elem &&
sdata->u.ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
int __must_check
ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata);
int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
-int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local);
int __must_check
ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
if (!ret) {
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
- if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)))
+ if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC))
sdata->crypto_tx_tailroom_needed_cnt--;
WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) &&
sta = key->sta;
sdata = key->sdata;
- if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)))
+ if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC))
increment_tailroom_need_count(sdata);
ret = drv_set_key(key->local, DISABLE_KEY, sdata,
if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
- if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) ||
- (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)))
+ if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC))
increment_tailroom_need_count(key->sdata);
}
tbl = rcu_dereference(mesh_paths);
for_each_mesh_entry(tbl, node, i) {
mpath = node->mpath;
- if (rcu_dereference(mpath->next_hop) == sta &&
+ if (rcu_access_pointer(mpath->next_hop) == sta &&
mpath->flags & MESH_PATH_ACTIVE &&
!(mpath->flags & MESH_PATH_FIXED)) {
spin_lock_bh(&mpath->state_lock);
tbl = resize_dereference_mesh_paths();
for_each_mesh_entry(tbl, node, i) {
mpath = node->mpath;
- if (rcu_dereference(mpath->next_hop) == sta) {
+ if (rcu_access_pointer(mpath->next_hop) == sta) {
spin_lock(&tbl->hashwlock[i]);
__mesh_path_del(tbl, node);
spin_unlock(&tbl->hashwlock[i]);
return NULL;
sta->plink_state = NL80211_PLINK_LISTEN;
+ sta->sta.wme = true;
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
- set_sta_flag(sta, WLAN_STA_WME);
- sta->sta.wme = true;
-
return sta;
}
enum ieee80211_self_protected_actioncode ftype;
u32 changed = 0;
u8 ie_len = elems->peering_len;
- __le16 _plid, _llid;
u16 plid, llid = 0;
if (!elems->peering) {
/* Note the lines below are correct, the llid in the frame is the plid
* from the point of view of this host.
*/
- memcpy(&_plid, PLINK_GET_LLID(elems->peering), sizeof(__le16));
- plid = le16_to_cpu(_plid);
+ plid = get_unaligned_le16(PLINK_GET_LLID(elems->peering));
if (ftype == WLAN_SP_MESH_PEERING_CONFIRM ||
- (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len == 8)) {
- memcpy(&_llid, PLINK_GET_PLID(elems->peering), sizeof(__le16));
- llid = le16_to_cpu(_llid);
- }
+ (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len == 8))
+ llid = get_unaligned_le16(PLINK_GET_PLID(elems->peering));
/* WARNING: Only for sta pointer, is dropped & re-acquired */
rcu_read_lock();
ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
struct ieee80211_channel *channel,
+ const struct ieee80211_ht_cap *ht_cap,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
struct cfg80211_chan_def *chandef, bool tracking)
chandef->center_freq1 = channel->center_freq;
chandef->center_freq2 = 0;
- if (!ht_oper || !sband->ht_cap.ht_supported) {
+ if (!ht_cap || !ht_oper || !sband->ht_cap.ht_supported) {
ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
goto out;
}
chandef->width = NL80211_CHAN_WIDTH_20;
+ if (!(ht_cap->cap_info &
+ cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))) {
+ ret = IEEE80211_STA_DISABLE_40MHZ | IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan,
channel->band);
/* check that channel matches the right operating channel */
static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
+ const struct ieee80211_ht_cap *ht_cap,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
const u8 *bssid, u32 *changed)
sband = local->hw.wiphy->bands[chan->band];
/* calculate new channel (type) based on HT/VHT operation IEs */
- flags = ieee80211_determine_chantype(sdata, sband, chan, ht_oper,
- vht_oper, &chandef, true);
+ flags = ieee80211_determine_chantype(sdata, sband, chan,
+ ht_cap, ht_oper, vht_oper,
+ &chandef, true);
/*
* Downgrade the new channel if we associated with restricted
if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)
set_sta_flag(sta, WLAN_STA_MFP);
- if (elems.wmm_param)
- set_sta_flag(sta, WLAN_STA_WME);
+ sta->sta.wme = elems.wmm_param;
err = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, bssid);
- if (ieee80211_config_bw(sdata, sta, elems.ht_operation,
+ if (ieee80211_config_bw(sdata, sta,
+ elems.ht_cap_elem, elems.ht_operation,
elems.vht_operation, bssid, &changed)) {
mutex_unlock(&local->sta_mtx);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ const struct ieee80211_ht_cap *ht_cap = NULL;
const struct ieee80211_ht_operation *ht_oper = NULL;
const struct ieee80211_vht_operation *vht_oper = NULL;
struct ieee80211_supported_band *sband;
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
sband->ht_cap.ht_supported) {
- const u8 *ht_oper_ie, *ht_cap;
+ const u8 *ht_oper_ie, *ht_cap_ie;
ht_oper_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_OPERATION);
if (ht_oper_ie && ht_oper_ie[1] >= sizeof(*ht_oper))
ht_oper = (void *)(ht_oper_ie + 2);
- ht_cap = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_CAPABILITY);
- if (!ht_cap || ht_cap[1] < sizeof(struct ieee80211_ht_cap)) {
+ ht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_CAPABILITY);
+ if (ht_cap_ie && ht_cap_ie[1] >= sizeof(*ht_cap))
+ ht_cap = (void *)(ht_cap_ie + 2);
+
+ if (!ht_cap) {
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ht_oper = NULL;
}
ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
cbss->channel,
- ht_oper, vht_oper,
+ ht_cap, ht_oper, vht_oper,
&chandef, false);
sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss),
sig = status->signal;
if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
- rx->skb->data, rx->skb->len, 0, GFP_ATOMIC)) {
+ rx->skb->data, rx->skb->len, 0)) {
if (rx->sta)
rx->sta->rx_packets++;
dev_kfree_skb(rx->skb);
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);
+ RCU_INIT_POINTER(local->sched_scan_sdata, NULL);
}
out:
mutex_unlock(&local->mtx);
struct sk_buff *skb;
int size = sizeof(*nullfunc);
__le16 fc;
- bool qos = test_sta_flag(sta, WLAN_STA_WME);
+ bool qos = sta->sta.wme;
struct ieee80211_tx_info *info;
struct ieee80211_chanctx_conf *chanctx_conf;
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))
+ if (sta->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);
* when virtual port control is not in use.
* @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
* frames.
- * @WLAN_STA_WME: Station is a QoS-STA.
* @WLAN_STA_WDS: Station is one of our WDS peers.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
WLAN_STA_PS_STA,
WLAN_STA_AUTHORIZED,
WLAN_STA_SHORT_PREAMBLE,
- WLAN_STA_WME,
WLAN_STA_WDS,
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,
}
/* add the QoS param IE if both the peer and we support it */
- if (local->hw.queues >= IEEE80211_NUM_ACS &&
- test_sta_flag(sta, WLAN_STA_WME))
+ if (local->hw.queues >= IEEE80211_NUM_ACS && sta->sta.wme)
ieee80211_tdls_add_wmm_param_ie(sdata, skb);
/* add any custom IEs that go before HT operation */
tail_need = max_t(int, tail_need, 0);
}
- if (skb_cloned(skb))
+ if (skb_cloned(skb) &&
+ (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CLONED_SKBS) ||
+ !skb_clone_writable(skb, ETH_HLEN) ||
+ sdata->crypto_tx_tailroom_needed_cnt))
I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
else if (head_need || tail_need)
I802_DEBUG_INC(local->tx_expand_skb_head);
memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
hdrlen = 30;
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
}
ap_sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
u.ap);
if (sta) {
authorized = test_sta_flag(sta,
WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
tdls_peer = test_sta_flag(sta,
WLAN_STA_TDLS_PEER);
tdls_auth = test_sta_flag(sta,
sta = sta_info_get(sdata, hdr.addr1);
if (sta) {
authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
- wme_sta = test_sta_flag(sta, WLAN_STA_WME);
+ wme_sta = sta->sta.wme;
}
}
case NL80211_IFTYPE_AP_VLAN:
sta = rcu_dereference(sdata->u.vlan.sta);
if (sta) {
- qos = test_sta_flag(sta, WLAN_STA_WME);
+ qos = sta->sta.wme;
break;
}
case NL80211_IFTYPE_AP:
if (!sta && ra && !is_multicast_ether_addr(ra)) {
sta = sta_info_get(sdata, ra);
if (sta)
- qos = test_sta_flag(sta, WLAN_STA_WME);
+ qos = sta->sta.wme;
}
rcu_read_unlock();
{ "BCM2E1A", RFKILL_TYPE_BLUETOOTH },
{ "BCM2E39", RFKILL_TYPE_BLUETOOTH },
{ "BCM2E3D", RFKILL_TYPE_BLUETOOTH },
+ { "BCM2E64", RFKILL_TYPE_BLUETOOTH },
{ "BCM4752", RFKILL_TYPE_GPS },
{ "LNV4752", RFKILL_TYPE_GPS },
{ },
int i;
u16 ifmodes = wiphy->interface_modes;
- /*
- * There are major locking problems in nl80211/mac80211 for CSA,
- * disable for all drivers until this has been reworked.
- */
- wiphy->flags &= ~WIPHY_FLAG_HAS_CHANNEL_SWITCH;
-
#ifdef CONFIG_PM
if (WARN_ON(wiphy->wowlan &&
(wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
}
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
- const u8 *buf, size_t len, u32 flags, gfp_t gfp)
+ const u8 *buf, size_t len, u32 flags)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
/* Indicate the received Action frame to user space */
if (nl80211_send_mgmt(rdev, wdev, reg->nlportid,
freq, sig_mbm,
- buf, len, flags, gfp))
+ buf, len, flags, GFP_ATOMIC))
continue;
result = true;
const struct cfg80211_bss_ies *ies;
void *hdr;
struct nlattr *bss;
- bool tsf = false;
ASSERT_WDEV_LOCK(wdev);
goto nla_put_failure;
rcu_read_lock();
+ /* indicate whether we have probe response data or not */
+ if (rcu_access_pointer(res->proberesp_ies) &&
+ nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
+ goto fail_unlock_rcu;
+
+ /* this pointer prefers to be pointed to probe response data
+ * but is always valid
+ */
ies = rcu_dereference(res->ies);
if (ies) {
if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
goto fail_unlock_rcu;
- tsf = true;
if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
ies->len, ies->data))
goto fail_unlock_rcu;
}
+
+ /* and this pointer is always (unless driver didn't know) beacon data */
ies = rcu_dereference(res->beacon_ies);
- if (ies) {
- if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
+ if (ies && ies->from_beacon) {
+ if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf))
goto fail_unlock_rcu;
if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
ies->len, ies->data))
cfg80211_inform_bss_width(struct wiphy *wiphy,
struct ieee80211_channel *rx_channel,
enum nl80211_bss_scan_width scan_width,
+ enum cfg80211_bss_frame_type ftype,
const u8 *bssid, u64 tsf, u16 capability,
u16 beacon_interval, const u8 *ie, size_t ielen,
s32 signal, gfp_t gfp)
tmp.pub.beacon_interval = beacon_interval;
tmp.pub.capability = capability;
/*
- * Since we do not know here whether the IEs are from a Beacon or Probe
+ * If we do not know here whether the IEs are from a Beacon or Probe
* Response frame, we need to pick one of the options and only use it
* with the driver that does not provide the full Beacon/Probe Response
* frame. Use Beacon frame pointer to avoid indicating that this should
* override the IEs pointer should we have received an earlier
* indication of Probe Response data.
*/
- ies = kmalloc(sizeof(*ies) + ielen, gfp);
+ ies = kzalloc(sizeof(*ies) + ielen, gfp);
if (!ies)
return NULL;
ies->len = ielen;
ies->tsf = tsf;
+ ies->from_beacon = false;
memcpy(ies->data, ie, ielen);
- rcu_assign_pointer(tmp.pub.beacon_ies, ies);
+ switch (ftype) {
+ case CFG80211_BSS_FTYPE_BEACON:
+ ies->from_beacon = true;
+ /* fall through to assign */
+ case CFG80211_BSS_FTYPE_UNKNOWN:
+ rcu_assign_pointer(tmp.pub.beacon_ies, ies);
+ break;
+ case CFG80211_BSS_FTYPE_PRESP:
+ rcu_assign_pointer(tmp.pub.proberesp_ies, ies);
+ break;
+ }
rcu_assign_pointer(tmp.pub.ies, ies);
signal_valid = abs(rx_channel->center_freq - channel->center_freq) <=
if (!channel)
return NULL;
- ies = kmalloc(sizeof(*ies) + ielen, gfp);
+ ies = kzalloc(sizeof(*ies) + ielen, gfp);
if (!ies)
return NULL;
ies->len = ielen;
ies->tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp);
+ ies->from_beacon = ieee80211_is_beacon(mgmt->frame_control);
memcpy(ies->data, mgmt->u.probe_resp.variable, ielen);
if (ieee80211_is_probe_resp(mgmt->frame_control))
projects / karo-tx-linux.git / commitdiff