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-rw-r--r--net/mac80211/mlme.c735
1 files changed, 565 insertions, 170 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1b7eed252fe..7753a9ca98a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -178,20 +178,32 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *chan;
struct sta_info *sta;
u32 changed = 0;
u16 ht_opmode;
bool disable_40 = false;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return 0;
+ }
+ chan = chanctx_conf->def.chan;
+ rcu_read_unlock();
+ sband = local->hw.wiphy->bands[chan->band];
- switch (sdata->vif.bss_conf.channel_type) {
- case NL80211_CHAN_HT40PLUS:
- if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
+ switch (sdata->vif.bss_conf.chandef.width) {
+ case NL80211_CHAN_WIDTH_40:
+ if (sdata->vif.bss_conf.chandef.chan->center_freq >
+ sdata->vif.bss_conf.chandef.center_freq1 &&
+ chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
disable_40 = true;
- break;
- case NL80211_CHAN_HT40MINUS:
- if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
+ if (sdata->vif.bss_conf.chandef.chan->center_freq <
+ sdata->vif.bss_conf.chandef.center_freq1 &&
+ chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
disable_40 = true;
break;
default:
@@ -342,8 +354,18 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
/* determine capability flags */
cap = vht_cap.cap;
+ if (sdata->u.mgd.flags & IEEE80211_STA_DISABLE_80P80MHZ) {
+ cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+ cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ }
+
+ if (sdata->u.mgd.flags & IEEE80211_STA_DISABLE_160MHZ) {
+ cap &= ~IEEE80211_VHT_CAP_SHORT_GI_160;
+ cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ }
+
/* reserve and fill IE */
- pos = skb_put(skb, sizeof(struct ieee80211_vht_capabilities) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
}
@@ -359,11 +381,21 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
int i, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_supported_band *sband;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *chan;
u32 rates = 0;
lockdep_assert_held(&ifmgd->mtx);
- sband = local->hw.wiphy->bands[local->oper_channel->band];
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ return;
+ }
+ chan = chanctx_conf->def.chan;
+ rcu_read_unlock();
+ sband = local->hw.wiphy->bands[chan->band];
if (assoc_data->supp_rates_len) {
/*
@@ -392,7 +424,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
4 + /* power capability */
2 + 2 * sband->n_channels + /* supported channels */
2 + sizeof(struct ieee80211_ht_cap) + /* HT */
- 2 + sizeof(struct ieee80211_vht_capabilities) + /* VHT */
+ 2 + sizeof(struct ieee80211_vht_cap) + /* VHT */
assoc_data->ie_len + /* extra IEs */
9, /* WMM */
GFP_KERNEL);
@@ -485,7 +517,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
*pos++ = WLAN_EID_PWR_CAPABILITY;
*pos++ = 2;
*pos++ = 0; /* min tx power */
- *pos++ = local->oper_channel->max_power; /* max tx power */
+ *pos++ = chan->max_power; /* max tx power */
/* 2. supported channels */
/* TODO: get this in reg domain format */
@@ -521,9 +553,13 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
offset = noffset;
}
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+ if (WARN_ON_ONCE((ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)))
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
- sband, local->oper_channel, ifmgd->ap_smps);
+ sband, chan, sdata->smps_mode);
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ieee80211_add_vht_ie(sdata, skb, sband);
@@ -657,18 +693,18 @@ static void ieee80211_chswitch_work(struct work_struct *work)
if (!ifmgd->associated)
goto out;
- sdata->local->oper_channel = sdata->local->csa_channel;
+ sdata->local->_oper_channel = sdata->local->csa_channel;
if (!sdata->local->ops->channel_switch) {
/* call "hw_config" only if doing sw channel switch */
ieee80211_hw_config(sdata->local,
IEEE80211_CONF_CHANGE_CHANNEL);
} else {
/* update the device channel directly */
- sdata->local->hw.conf.channel = sdata->local->oper_channel;
+ sdata->local->hw.conf.channel = sdata->local->_oper_channel;
}
/* XXX: shouldn't really modify cfg80211-owned data! */
- ifmgd->associated->channel = sdata->local->oper_channel;
+ ifmgd->associated->channel = sdata->local->_oper_channel;
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&sdata->local->hw,
@@ -680,11 +716,8 @@ static void ieee80211_chswitch_work(struct work_struct *work)
void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success)
{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_managed *ifmgd;
-
- sdata = vif_to_sdata(vif);
- ifmgd = &sdata->u.mgd;
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
trace_api_chswitch_done(sdata, success);
if (!success) {
@@ -723,6 +756,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
cbss->channel->band);
+ struct ieee80211_chanctx *chanctx;
ASSERT_MGD_MTX(ifmgd);
@@ -748,10 +782,35 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
return;
}
- sdata->local->csa_channel = new_ch;
-
ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+ if (sdata->local->use_chanctx) {
+ sdata_info(sdata,
+ "not handling channel switch with channel contexts\n");
+ ieee80211_queue_work(&sdata->local->hw,
+ &ifmgd->csa_connection_drop_work);
+ return;
+ }
+
+ mutex_lock(&sdata->local->chanctx_mtx);
+ if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
+ mutex_unlock(&sdata->local->chanctx_mtx);
+ return;
+ }
+ chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
+ struct ieee80211_chanctx, conf);
+ if (chanctx->refcount > 1) {
+ sdata_info(sdata,
+ "channel switch with multiple interfaces on the same channel, disconnecting\n");
+ ieee80211_queue_work(&sdata->local->hw,
+ &ifmgd->csa_connection_drop_work);
+ mutex_unlock(&sdata->local->chanctx_mtx);
+ return;
+ }
+ mutex_unlock(&sdata->local->chanctx_mtx);
+
+ sdata->local->csa_channel = new_ch;
+
if (sw_elem->mode)
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
@@ -778,10 +837,10 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
cbss->beacon_interval));
}
-static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_channel *channel,
- const u8 *country_ie, u8 country_ie_len,
- const u8 *pwr_constr_elem)
+static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel *channel,
+ const u8 *country_ie, u8 country_ie_len,
+ const u8 *pwr_constr_elem)
{
struct ieee80211_country_ie_triplet *triplet;
int chan = ieee80211_frequency_to_channel(channel->center_freq);
@@ -790,7 +849,7 @@ static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
/* Invalid IE */
if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
- return;
+ return 0;
triplet = (void *)(country_ie + 3);
country_ie_len -= 3;
@@ -831,19 +890,21 @@ static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
}
if (!have_chan_pwr)
- return;
+ return 0;
new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
- if (sdata->local->ap_power_level == new_ap_level)
- return;
+ if (sdata->ap_power_level == new_ap_level)
+ return 0;
sdata_info(sdata,
"Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
new_ap_level, chan_pwr, *pwr_constr_elem,
sdata->u.mgd.bssid);
- sdata->local->ap_power_level = new_ap_level;
- ieee80211_hw_config(sdata->local, 0);
+ sdata->ap_power_level = new_ap_level;
+ if (__ieee80211_recalc_txpower(sdata))
+ return BSS_CHANGED_TXPOWER;
+ return 0;
}
void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
@@ -1280,7 +1341,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
- if (sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ)
+ if (ieee80211_get_sdata_band(sdata) == IEEE80211_BAND_5GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
@@ -1321,6 +1382,29 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
+ if (sdata->vif.p2p) {
+ const struct cfg80211_bss_ies *ies;
+
+ rcu_read_lock();
+ ies = rcu_dereference(cbss->ies);
+ if (ies) {
+ u8 noa[2];
+ int ret;
+
+ ret = cfg80211_get_p2p_attr(
+ ies->data, ies->len,
+ IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
+ noa, sizeof(noa));
+ if (ret >= 2) {
+ bss_conf->p2p_oppps = noa[1] & 0x80;
+ bss_conf->p2p_ctwindow = noa[1] & 0x7f;
+ bss_info_changed |= BSS_CHANGED_P2P_PS;
+ sdata->u.mgd.p2p_noa_index = noa[0];
+ }
+ }
+ rcu_read_unlock();
+ }
+
/* just to be sure */
ieee80211_stop_poll(sdata);
@@ -1350,7 +1434,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
- ieee80211_recalc_smps(local);
+ ieee80211_recalc_smps(sdata);
ieee80211_recalc_ps_vif(sdata);
netif_tx_start_all_queues(sdata->dev);
@@ -1443,11 +1527,14 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
changed |= BSS_CHANGED_ASSOC;
sdata->vif.bss_conf.assoc = false;
+ sdata->vif.bss_conf.p2p_ctwindow = 0;
+ sdata->vif.bss_conf.p2p_oppps = false;
+
/* on the next assoc, re-program HT parameters */
memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
- local->ap_power_level = 0;
+ sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
@@ -1465,10 +1552,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
changed |= BSS_CHANGED_BSSID | BSS_CHANGED_HT;
ieee80211_bss_info_change_notify(sdata, changed);
- /* channel(_type) changes are handled by ieee80211_hw_config */
- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
- ieee80211_hw_config(local, 0);
-
/* disassociated - set to defaults now */
ieee80211_set_wmm_default(sdata, false);
@@ -1478,6 +1561,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
del_timer_sync(&sdata->u.mgd.chswitch_timer);
sdata->u.mgd.timers_running = 0;
+
+ ifmgd->flags = 0;
+ ieee80211_vif_release_channel(sdata);
}
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -1581,6 +1667,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
} else {
int ssid_len;
+ rcu_read_lock();
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
if (WARN_ON_ONCE(ssid == NULL))
ssid_len = 0;
@@ -1589,7 +1676,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,
0, (u32) -1, true, false,
- ifmgd->associated->channel);
+ ifmgd->associated->channel, false);
+ rcu_read_unlock();
}
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
@@ -1685,6 +1773,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
else
return NULL;
+ rcu_read_lock();
ssid = ieee80211_bss_get_ie(cbss, WLAN_EID_SSID);
if (WARN_ON_ONCE(ssid == NULL))
ssid_len = 0;
@@ -1692,10 +1781,10 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid_len = ssid[1];
skb = ieee80211_build_probe_req(sdata, cbss->bssid,
- (u32) -1,
- sdata->local->oper_channel,
+ (u32) -1, cbss->channel,
ssid + 2, ssid_len,
NULL, 0, true);
+ rcu_read_unlock();
return skb;
}
@@ -1804,6 +1893,8 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+ sdata->u.mgd.flags = 0;
+ ieee80211_vif_release_channel(sdata);
}
cfg80211_put_bss(auth_data->bss);
@@ -1824,7 +1915,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata);
- ieee80211_send_auth(sdata, 3, auth_data->algorithm,
+ ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
elems.challenge - 2, elems.challenge_len + 2,
auth_data->bss->bssid, auth_data->bss->bssid,
auth_data->key, auth_data->key_len,
@@ -1858,8 +1949,13 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
status_code = le16_to_cpu(mgmt->u.auth.status_code);
if (auth_alg != ifmgd->auth_data->algorithm ||
- auth_transaction != ifmgd->auth_data->expected_transaction)
+ auth_transaction != ifmgd->auth_data->expected_transaction) {
+ sdata_info(sdata, "%pM unexpected authentication state: alg %d (expected %d) transact %d (expected %d)\n",
+ mgmt->sa, auth_alg, ifmgd->auth_data->algorithm,
+ auth_transaction,
+ ifmgd->auth_data->expected_transaction);
return RX_MGMT_NONE;
+ }
if (status_code != WLAN_STATUS_SUCCESS) {
sdata_info(sdata, "%pM denied authentication (status %d)\n",
@@ -1872,6 +1968,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
case WLAN_AUTH_FT:
+ case WLAN_AUTH_SAE:
break;
case WLAN_AUTH_SHARED_KEY:
if (ifmgd->auth_data->expected_transaction != 4) {
@@ -1891,6 +1988,15 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
run_again(ifmgd, ifmgd->auth_data->timeout);
+ if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE &&
+ ifmgd->auth_data->expected_transaction != 2) {
+ /*
+ * Report auth frame to user space for processing since another
+ * round of Authentication frames is still needed.
+ */
+ return RX_MGMT_CFG80211_RX_AUTH;
+ }
+
/* move station state to auth */
mutex_lock(&sdata->local->sta_mtx);
sta = sta_info_get(sdata, bssid);
@@ -2030,6 +2136,8 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+ sdata->u.mgd.flags = 0;
+ ieee80211_vif_release_channel(sdata);
}
kfree(assoc_data);
@@ -2091,15 +2199,20 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
return false;
}
- sband = local->hw.wiphy->bands[local->oper_channel->band];
+ sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)];
- if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+ if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
elems.ht_cap_elem, &sta->sta.ht_cap);
sta->supports_40mhz =
sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ if (elems.vht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
+ elems.vht_cap_elem,
+ &sta->sta.vht_cap);
+
rate_control_rate_init(sta);
if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)
@@ -2140,7 +2253,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
changed |= BSS_CHANGED_QOS;
if (elems.ht_operation && elems.wmm_param &&
- !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
cbss->bssid, false);
@@ -2247,9 +2360,9 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_CFG80211_RX_ASSOC;
}
+
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len,
+ struct ieee80211_mgmt *mgmt, size_t len,
struct ieee80211_rx_status *rx_status,
struct ieee802_11_elems *elems,
bool beacon)
@@ -2369,8 +2482,10 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_channel *chan;
u32 changed = 0;
- bool erp_valid, directed_tim = false;
+ bool erp_valid;
u8 erp_value = 0;
u32 ncrc;
u8 *bssid;
@@ -2382,8 +2497,19 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- if (rx_status->freq != local->oper_channel->center_freq)
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (!chanctx_conf) {
+ rcu_read_unlock();
+ return;
+ }
+
+ if (rx_status->freq != chanctx_conf->def.chan->center_freq) {
+ rcu_read_unlock();
return;
+ }
+ chan = chanctx_conf->def.chan;
+ rcu_read_unlock();
if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
@@ -2490,11 +2616,10 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
len - baselen, &elems,
care_about_ies, ncrc);
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
- directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len,
- ifmgd->aid);
-
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
+ bool directed_tim = ieee80211_check_tim(elems.tim,
+ elems.tim_len,
+ ifmgd->aid);
if (directed_tim) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
@@ -2519,6 +2644,27 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
}
+ if (sdata->vif.p2p) {
+ u8 noa[2];
+ int ret;
+
+ ret = cfg80211_get_p2p_attr(mgmt->u.beacon.variable,
+ len - baselen,
+ IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
+ noa, sizeof(noa));
+ if (ret >= 2 && sdata->u.mgd.p2p_noa_index != noa[0]) {
+ bss_conf->p2p_oppps = noa[1] & 0x80;
+ bss_conf->p2p_ctwindow = noa[1] & 0x7f;
+ changed |= BSS_CHANGED_P2P_PS;
+ sdata->u.mgd.p2p_noa_index = noa[0];
+ /*
+ * make sure we update all information, the CRC
+ * mechanism doesn't look at P2P attributes.
+ */
+ ifmgd->beacon_crc_valid = false;
+ }
+ }
+
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
return;
ifmgd->beacon_crc = ncrc;
@@ -2543,22 +2689,17 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (elems.ht_cap_elem && elems.ht_operation && elems.wmm_param &&
- !(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
- struct ieee80211_supported_band *sband;
-
- sband = local->hw.wiphy->bands[local->oper_channel->band];
-
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
bssid, true);
- }
if (elems.country_elem && elems.pwr_constr_elem &&
mgmt->u.probe_resp.capab_info &
cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
- ieee80211_handle_pwr_constr(sdata, local->oper_channel,
- elems.country_elem,
- elems.country_elem_len,
- elems.pwr_constr_elem);
+ changed |= ieee80211_handle_pwr_constr(sdata, chan,
+ elems.country_elem,
+ elems.country_elem_len,
+ elems.pwr_constr_elem);
ieee80211_bss_info_change_notify(sdata, changed);
}
@@ -2703,13 +2844,23 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
drv_mgd_prepare_tx(local, sdata);
if (auth_data->bss->proberesp_ies) {
+ u16 trans = 1;
+ u16 status = 0;
+
sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
auth_data->bss->bssid, auth_data->tries,
IEEE80211_AUTH_MAX_TRIES);
auth_data->expected_transaction = 2;
- ieee80211_send_auth(sdata, 1, auth_data->algorithm,
- auth_data->ie, auth_data->ie_len,
+
+ if (auth_data->algorithm == WLAN_AUTH_SAE) {
+ trans = auth_data->sae_trans;
+ status = auth_data->sae_status;
+ auth_data->expected_transaction = trans;
+ }
+
+ ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
+ auth_data->data, auth_data->data_len,
auth_data->bss->bssid,
auth_data->bss->bssid, NULL, 0, 0);
} else {
@@ -2719,16 +2870,20 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
auth_data->bss->bssid, auth_data->tries,
IEEE80211_AUTH_MAX_TRIES);
+ rcu_read_lock();
ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID);
- if (!ssidie)
+ if (!ssidie) {
+ rcu_read_unlock();
return -EINVAL;
+ }
/*
* Direct probe is sent to broadcast address as some APs
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
NULL, 0, (u32) -1, true, false,
- auth_data->bss->channel);
+ auth_data->bss->channel, false);
+ rcu_read_unlock();
}
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
@@ -3058,90 +3213,313 @@ int ieee80211_max_network_latency(struct notifier_block *nb,
return 0;
}
+static u32 chandef_downgrade(struct cfg80211_chan_def *c)
+{
+ u32 ret;
+ int tmp;
+
+ switch (c->width) {
+ case NL80211_CHAN_WIDTH_20:
+ c->width = NL80211_CHAN_WIDTH_20_NOHT;
+ ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ c->width = NL80211_CHAN_WIDTH_20;
+ c->center_freq1 = c->chan->center_freq;
+ ret = IEEE80211_STA_DISABLE_40MHZ |
+ IEEE80211_STA_DISABLE_VHT;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ tmp = (30 + c->chan->center_freq - c->center_freq1)/20;
+ /* n_P40 */
+ tmp /= 2;
+ /* freq_P40 */
+ c->center_freq1 = c->center_freq1 - 20 + 40 * tmp;
+ c->width = NL80211_CHAN_WIDTH_40;
+ ret = IEEE80211_STA_DISABLE_VHT;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ c->center_freq2 = 0;
+ c->width = NL80211_CHAN_WIDTH_80;
+ ret = IEEE80211_STA_DISABLE_80P80MHZ |
+ IEEE80211_STA_DISABLE_160MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ /* n_P20 */
+ tmp = (70 + c->chan->center_freq - c->center_freq1)/20;
+ /* n_P80 */
+ tmp /= 4;
+ c->center_freq1 = c->center_freq1 - 40 + 80 * tmp;
+ c->width = NL80211_CHAN_WIDTH_80;
+ ret = IEEE80211_STA_DISABLE_80P80MHZ |
+ IEEE80211_STA_DISABLE_160MHZ;
+ break;
+ default:
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ WARN_ON_ONCE(1);
+ c->width = NL80211_CHAN_WIDTH_20_NOHT;
+ ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+ break;
+ }
+
+ WARN_ON_ONCE(!cfg80211_chandef_valid(c));
+
+ return ret;
+}
+
+static u32
+ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_channel *channel,
+ const struct ieee80211_ht_operation *ht_oper,
+ const struct ieee80211_vht_operation *vht_oper,
+ struct cfg80211_chan_def *chandef)
+{
+ struct cfg80211_chan_def vht_chandef;
+ u32 ht_cfreq, ret;
+
+ chandef->chan = channel;
+ chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+ chandef->center_freq1 = channel->center_freq;
+ chandef->center_freq2 = 0;
+
+ if (!ht_oper || !sband->ht_cap.ht_supported) {
+ ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ chandef->width = NL80211_CHAN_WIDTH_20;
+
+ ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan,
+ channel->band);
+ /* check that channel matches the right operating channel */
+ if (channel->center_freq != ht_cfreq) {
+ /*
+ * It's possible that some APs are confused here;
+ * Netgear WNDR3700 sometimes reports 4 higher than
+ * the actual channel in association responses, but
+ * since we look at probe response/beacon data here
+ * it should be OK.
+ */
+ sdata_info(sdata,
+ "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
+ channel->center_freq, ht_cfreq,
+ ht_oper->primary_chan, channel->band);
+ ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ /* check 40 MHz support, if we have it */
+ if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+ switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ chandef->width = NL80211_CHAN_WIDTH_40;
+ chandef->center_freq1 += 10;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ chandef->width = NL80211_CHAN_WIDTH_40;
+ chandef->center_freq1 -= 10;
+ break;
+ }
+ } else {
+ /* 40 MHz (and 80 MHz) must be supported for VHT */
+ ret = IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ if (!vht_oper || !sband->vht_cap.vht_supported) {
+ ret = IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ vht_chandef.chan = channel;
+ vht_chandef.center_freq1 =
+ ieee80211_channel_to_frequency(vht_oper->center_freq_seg1_idx,
+ channel->band);
+ vht_chandef.center_freq2 = 0;
+
+ if (vht_oper->center_freq_seg2_idx)
+ vht_chandef.center_freq2 =
+ ieee80211_channel_to_frequency(
+ vht_oper->center_freq_seg2_idx,
+ channel->band);
+
+ switch (vht_oper->chan_width) {
+ case IEEE80211_VHT_CHANWIDTH_USE_HT:
+ vht_chandef.width = chandef->width;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_80MHZ:
+ vht_chandef.width = NL80211_CHAN_WIDTH_80;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_160MHZ:
+ vht_chandef.width = NL80211_CHAN_WIDTH_160;
+ break;
+ case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
+ vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
+ break;
+ default:
+ sdata_info(sdata,
+ "AP VHT operation IE has invalid channel width (%d), disable VHT\n",
+ vht_oper->chan_width);
+ ret = IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ if (!cfg80211_chandef_valid(&vht_chandef)) {
+ sdata_info(sdata,
+ "AP VHT information is invalid, disable VHT\n");
+ ret = IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ if (cfg80211_chandef_identical(chandef, &vht_chandef)) {
+ ret = 0;
+ goto out;
+ }
+
+ if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) {
+ sdata_info(sdata,
+ "AP VHT information doesn't match HT, disable VHT\n");
+ ret = IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ *chandef = vht_chandef;
+
+ ret = 0;
+
+ while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,
+ IEEE80211_CHAN_DISABLED)) {
+ if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) {
+ ret = IEEE80211_STA_DISABLE_HT |
+ IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+
+ ret = chandef_downgrade(chandef);
+ }
+
+ if (chandef->width != vht_chandef.width)
+ sdata_info(sdata,
+ "local regulatory prevented using AP HT/VHT configuration, downgraded\n");
+
+out:
+ WARN_ON_ONCE(!cfg80211_chandef_valid(chandef));
+ return ret;
+}
+
+static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_bss *cbss)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ const u8 *ht_cap_ie, *vht_cap_ie;
+ const struct ieee80211_ht_cap *ht_cap;
+ const struct ieee80211_vht_cap *vht_cap;
+ u8 chains = 1;
+
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_HT)
+ return chains;
+
+ 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);
+ chains = ieee80211_mcs_to_chains(&ht_cap->mcs);
+ /*
+ * TODO: use "Tx Maximum Number Spatial Streams Supported" and
+ * "Tx Unequal Modulation Supported" fields.
+ */
+ }
+
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
+ return chains;
+
+ vht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_CAPABILITY);
+ if (vht_cap_ie && vht_cap_ie[1] >= sizeof(*vht_cap)) {
+ u8 nss;
+ u16 tx_mcs_map;
+
+ vht_cap = (void *)(vht_cap_ie + 2);
+ tx_mcs_map = le16_to_cpu(vht_cap->supp_mcs.tx_mcs_map);
+ for (nss = 8; nss > 0; nss--) {
+ if (((tx_mcs_map >> (2 * (nss - 1))) & 3) !=
+ IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ break;
+ }
+ /* TODO: use "Tx Highest Supported Long GI Data Rate" field? */
+ chains = max(chains, nss);
+ }
+
+ return chains;
+}
+
static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- int ht_cfreq;
- enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
- const u8 *ht_oper_ie;
const struct ieee80211_ht_operation *ht_oper = NULL;
+ const struct ieee80211_vht_operation *vht_oper = NULL;
struct ieee80211_supported_band *sband;
+ struct cfg80211_chan_def chandef;
+ int ret;
sband = local->hw.wiphy->bands[cbss->channel->band];
- ifmgd->flags &= ~IEEE80211_STA_DISABLE_40MHZ;
+ ifmgd->flags &= ~(IEEE80211_STA_DISABLE_40MHZ |
+ IEEE80211_STA_DISABLE_80P80MHZ |
+ IEEE80211_STA_DISABLE_160MHZ);
+
+ rcu_read_lock();
+
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
+ sband->ht_cap.ht_supported) {
+ const u8 *ht_oper_ie;
- if (sband->ht_cap.ht_supported) {
- ht_oper_ie = cfg80211_find_ie(WLAN_EID_HT_OPERATION,
- cbss->information_elements,
- cbss->len_information_elements);
+ 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);
}
- if (ht_oper) {
- ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan,
- cbss->channel->band);
- /* check that channel matches the right operating channel */
- if (cbss->channel->center_freq != ht_cfreq) {
- /*
- * It's possible that some APs are confused here;
- * Netgear WNDR3700 sometimes reports 4 higher than
- * the actual channel in association responses, but
- * since we look at probe response/beacon data here
- * it should be OK.
- */
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
+ sband->vht_cap.vht_supported) {
+ const u8 *vht_oper_ie;
+
+ vht_oper_ie = ieee80211_bss_get_ie(cbss,
+ WLAN_EID_VHT_OPERATION);
+ if (vht_oper_ie && vht_oper_ie[1] >= sizeof(*vht_oper))
+ vht_oper = (void *)(vht_oper_ie + 2);
+ if (vht_oper && !ht_oper) {
+ vht_oper = NULL;
sdata_info(sdata,
- "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
- cbss->channel->center_freq,
- ht_cfreq, ht_oper->primary_chan,
- cbss->channel->band);
- ht_oper = NULL;
- } else {
- channel_type = NL80211_CHAN_HT20;
+ "AP advertised VHT without HT, disabling both\n");
+ sdata->flags |= IEEE80211_STA_DISABLE_HT;
+ sdata->flags |= IEEE80211_STA_DISABLE_VHT;
}
}
- if (ht_oper && sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
- /*
- * cfg80211 already verified that the channel itself can
- * be used, but it didn't check that we can do the right
- * HT type, so do that here as well. If HT40 isn't allowed
- * on this channel, disable 40 MHz operation.
- */
+ ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
+ cbss->channel,
+ ht_oper, vht_oper,
+ &chandef);
- switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
- case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
- if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
- ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
- else
- channel_type = NL80211_CHAN_HT40PLUS;
- break;
- case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
- if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
- ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
- else
- channel_type = NL80211_CHAN_HT40MINUS;
- break;
- }
- }
+ sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss),
+ local->rx_chains);
- if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
- /* can only fail due to HT40+/- mismatch */
- channel_type = NL80211_CHAN_HT20;
- sdata_info(sdata,
- "disabling 40 MHz due to multi-vif mismatch\n");
- ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
- WARN_ON(!ieee80211_set_channel_type(local, sdata,
- channel_type));
- }
+ rcu_read_unlock();
- local->oper_channel = cbss->channel;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+ /* will change later if needed */
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
- return 0;
+ /*
+ * If this fails (possibly due to channel context sharing
+ * on incompatible channels, e.g. 80+80 and 160 sharing the
+ * same control channel) try to use a smaller bandwidth.
+ */
+ ret = ieee80211_vif_use_channel(sdata, &chandef,
+ IEEE80211_CHANCTX_SHARED);
+ while (ret && chandef.width != NL80211_CHAN_WIDTH_20_NOHT)
+ ifmgd->flags |= chandef_downgrade(&chandef);
+ return ret;
}
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
@@ -3211,7 +3589,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
- if (local->oper_channel->band == IEEE80211_BAND_2GHZ &&
+ if (cbss->channel->band == IEEE80211_BAND_2GHZ &&
have_higher_than_11mbit)
sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
else
@@ -3273,19 +3651,33 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
case NL80211_AUTHTYPE_NETWORK_EAP:
auth_alg = WLAN_AUTH_LEAP;
break;
+ case NL80211_AUTHTYPE_SAE:
+ auth_alg = WLAN_AUTH_SAE;
+ break;
default:
return -EOPNOTSUPP;
}
- auth_data = kzalloc(sizeof(*auth_data) + req->ie_len, GFP_KERNEL);
+ auth_data = kzalloc(sizeof(*auth_data) + req->sae_data_len +
+ req->ie_len, GFP_KERNEL);
if (!auth_data)
return -ENOMEM;
auth_data->bss = req->bss;
+ if (req->sae_data_len >= 4) {
+ __le16 *pos = (__le16 *) req->sae_data;
+ auth_data->sae_trans = le16_to_cpu(pos[0]);
+ auth_data->sae_status = le16_to_cpu(pos[1]);
+ memcpy(auth_data->data, req->sae_data + 4,
+ req->sae_data_len - 4);
+ auth_data->data_len += req->sae_data_len - 4;
+ }
+
if (req->ie && req->ie_len) {
- memcpy(auth_data->ie, req->ie, req->ie_len);
- auth_data->ie_len = req->ie_len;
+ memcpy(&auth_data->data[auth_data->data_len],
+ req->ie, req->ie_len);
+ auth_data->data_len += req->ie_len;
}
if (req->key && req->key_len) {
@@ -3355,14 +3747,21 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
const u8 *ssidie, *ht_ie;
int i, err;
- ssidie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
- if (!ssidie)
- return -EINVAL;
-
assoc_data = kzalloc(sizeof(*assoc_data) + req->ie_len, GFP_KERNEL);
if (!assoc_data)
return -ENOMEM;
+ rcu_read_lock();
+ ssidie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
+ if (!ssidie) {
+ rcu_read_unlock();
+ kfree(assoc_data);
+ return -EINVAL;
+ }
+ memcpy(assoc_data->ssid, ssidie + 2, ssidie[1]);
+ assoc_data->ssid_len = ssidie[1];
+ rcu_read_unlock();
+
mutex_lock(&ifmgd->mtx);
if (ifmgd->associated)
@@ -3388,13 +3787,6 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
/* prepare assoc data */
- /*
- * keep only the 40 MHz disable bit set as it might have
- * been set during authentication already, all other bits
- * should be reset for a new connection
- */
- ifmgd->flags &= IEEE80211_STA_DISABLE_40MHZ;
-
ifmgd->beacon_crc_valid = false;
/*
@@ -3408,7 +3800,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
- ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
netdev_info(sdata->dev,
"disabling HT/VHT due to WEP/TKIP use\n");
@@ -3416,7 +3808,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
if (req->flags & ASSOC_REQ_DISABLE_HT) {
- ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
}
@@ -3424,7 +3816,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
- ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
if (!bss->wmm_used)
netdev_info(sdata->dev,
"disabling HT as WMM/QoS is not supported by the AP\n");
@@ -3452,11 +3844,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
if (ifmgd->req_smps == IEEE80211_SMPS_AUTOMATIC) {
if (ifmgd->powersave)
- ifmgd->ap_smps = IEEE80211_SMPS_DYNAMIC;
+ sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
else
- ifmgd->ap_smps = IEEE80211_SMPS_OFF;
+ sdata->smps_mode = IEEE80211_SMPS_OFF;
} else
- ifmgd->ap_smps = ifmgd->req_smps;
+ sdata->smps_mode = ifmgd->req_smps;
assoc_data->capability = req->bss->capability;
assoc_data->wmm = bss->wmm_used &&
@@ -3464,12 +3856,14 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
assoc_data->supp_rates = bss->supp_rates;
assoc_data->supp_rates_len = bss->supp_rates_len;
+ rcu_read_lock();
ht_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_HT_OPERATION);
if (ht_ie && ht_ie[1] >= sizeof(struct ieee80211_ht_operation))
assoc_data->ap_ht_param =
((struct ieee80211_ht_operation *)(ht_ie + 2))->ht_param;
else
- ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
+ rcu_read_unlock();
if (bss->wmm_used && bss->uapsd_supported &&
(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
@@ -3480,9 +3874,6 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags &= ~IEEE80211_STA_UAPSD_ENABLED;
}
- memcpy(assoc_data->ssid, ssidie + 2, ssidie[1]);
- assoc_data->ssid_len = ssidie[1];
-
if (req->prev_bssid)
memcpy(assoc_data->prev_bssid, req->prev_bssid, ETH_ALEN);
@@ -3560,40 +3951,44 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
bool tx = !req->local_state_change;
+ bool sent_frame = false;
mutex_lock(&ifmgd->mtx);
- if (ifmgd->auth_data) {
- ieee80211_destroy_auth_data(sdata, false);
- mutex_unlock(&ifmgd->mtx);
- return 0;
- }
-
sdata_info(sdata,
"deauthenticating from %pM by local choice (reason=%d)\n",
req->bssid, req->reason_code);
- if (ifmgd->associated &&
- ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
- ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
- req->reason_code, tx, frame_buf);
- } else {
+ 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);
+ mutex_unlock(&ifmgd->mtx);
+
+ sent_frame = tx;
+ goto out;
}
+ if (ifmgd->associated &&
+ ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+ req->reason_code, tx, frame_buf);
+ sent_frame = tx;
+ }
mutex_unlock(&ifmgd->mtx);
- __cfg80211_send_deauth(sdata->dev, frame_buf,
- IEEE80211_DEAUTH_FRAME_LEN);
-
+ out:
mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
mutex_unlock(&sdata->local->mtx);
+ if (sent_frame)
+ __cfg80211_send_deauth(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
+
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-29 03:43:45 +0000