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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c123
1 files changed, 88 insertions, 35 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6adfcb9c06dc..0e4d950cf907 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1417,6 +1417,17 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
return;
}
+ if (sdata->vif.bss_conf.chandef.chan->band !=
+ csa_ie.chandef.chan->band) {
+ sdata_info(sdata,
+ "AP %pM switches to different band (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
+ ifmgd->associated->bssid,
+ csa_ie.chandef.chan->center_freq,
+ csa_ie.chandef.width, csa_ie.chandef.center_freq1,
+ csa_ie.chandef.center_freq2);
+ goto lock_and_drop_connection;
+ }
+
if (!cfg80211_chandef_usable(local->hw.wiphy, &csa_ie.chandef,
IEEE80211_CHAN_DISABLED)) {
sdata_info(sdata,
@@ -1429,9 +1440,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
csa_ie.chandef.width, csa_ie.chandef.center_freq1,
csa_ie.chandef.freq1_offset,
csa_ie.chandef.center_freq2);
- ieee80211_queue_work(&local->hw,
- &ifmgd->csa_connection_drop_work);
- return;
+ goto lock_and_drop_connection;
}
if (cfg80211_chandef_identical(&csa_ie.chandef,
@@ -1493,6 +1502,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->csa_chandef = csa_ie.chandef;
sdata->csa_block_tx = csa_ie.mode;
ifmgd->csa_ignored_same_chan = false;
+ ifmgd->beacon_crc_valid = false;
if (sdata->csa_block_tx)
ieee80211_stop_vif_queues(local, sdata,
@@ -1500,7 +1510,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->mtx);
cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef,
- csa_ie.count);
+ csa_ie.count, csa_ie.mode);
if (local->ops->channel_switch) {
/* use driver's channel switch callback */
@@ -1516,6 +1526,9 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
TU_TO_EXP_TIME((csa_ie.count - 1) *
cbss->beacon_interval));
return;
+ lock_and_drop_connection:
+ mutex_lock(&local->mtx);
+ mutex_lock(&local->chanctx_mtx);
drop_connection:
/*
* This is just so that the disconnect flow will know that
@@ -1560,9 +1573,17 @@ ieee80211_find_80211h_pwr_constr(struct ieee80211_sub_if_data *sdata,
chan_increment = 1;
break;
case NL80211_BAND_5GHZ:
- case NL80211_BAND_6GHZ:
chan_increment = 4;
break;
+ case NL80211_BAND_6GHZ:
+ /*
+ * In the 6 GHz band, the "maximum transmit power level"
+ * field in the triplets is reserved, and thus will be
+ * zero and we shouldn't use it to control TX power.
+ * The actual TX power will be given in the transmit
+ * power envelope element instead.
+ */
+ return false;
}
/* find channel */
@@ -2382,6 +2403,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
/* clear bssid only after building the needed mgmt frames */
eth_zero_addr(ifmgd->bssid);
+ sdata->vif.bss_conf.ssid_len = 0;
+
/* remove AP and TDLS peers */
sta_info_flush(sdata);
@@ -2720,7 +2743,7 @@ EXPORT_SYMBOL(ieee80211_ap_probereq_get);
static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata,
const u8 *buf, size_t len, bool tx,
- u16 reason)
+ u16 reason, bool reconnect)
{
struct ieee80211_event event = {
.type = MLME_EVENT,
@@ -2729,7 +2752,7 @@ static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata,
};
if (tx)
- cfg80211_tx_mlme_mgmt(sdata->dev, buf, len);
+ cfg80211_tx_mlme_mgmt(sdata->dev, buf, len, reconnect);
else
cfg80211_rx_mlme_mgmt(sdata->dev, buf, len);
@@ -2751,13 +2774,18 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
tx = !sdata->csa_block_tx;
- /* AP is probably out of range (or not reachable for another reason) so
- * remove the bss struct for that AP.
- */
- cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated);
+ if (!ifmgd->driver_disconnect) {
+ /*
+ * AP is probably out of range (or not reachable for another
+ * reason) so remove the bss struct for that AP.
+ */
+ cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated);
+ }
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ ifmgd->driver_disconnect ?
+ WLAN_REASON_DEAUTH_LEAVING :
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
tx, frame_buf);
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
@@ -2770,7 +2798,9 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&local->mtx);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), tx,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ ifmgd->reconnect);
+ ifmgd->reconnect = false;
sdata_unlock(sdata);
}
@@ -2789,6 +2819,13 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
sdata_info(sdata, "Connection to AP %pM lost\n",
ifmgd->bssid);
__ieee80211_disconnect(sdata);
+ ifmgd->connection_loss = false;
+ } else if (ifmgd->driver_disconnect) {
+ sdata_info(sdata,
+ "Driver requested disconnection from AP %pM\n",
+ ifmgd->bssid);
+ __ieee80211_disconnect(sdata);
+ ifmgd->driver_disconnect = false;
} else {
ieee80211_mgd_probe_ap(sdata, true);
}
@@ -2827,6 +2864,21 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL(ieee80211_connection_loss);
+void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_hw *hw = &sdata->local->hw;
+
+ trace_api_disconnect(sdata, reconnect);
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
+
+ sdata->u.mgd.driver_disconnect = true;
+ sdata->u.mgd.reconnect = reconnect;
+ ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
+}
+EXPORT_SYMBOL(ieee80211_disconnect);
static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
bool assoc)
@@ -3130,7 +3182,7 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false,
- reason_code);
+ reason_code, false);
return;
}
@@ -3179,7 +3231,8 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code);
+ ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code,
+ false);
}
static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
@@ -3199,8 +3252,8 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
*have_higher_than_11mbit = true;
/*
- * Skip HT, VHT and HE BSS membership selectors since they're
- * not rates.
+ * Skip HT, VHT, HE and SAE H2E only BSS membership selectors
+ * since they're not rates.
*
* Note: Even though the membership selector and the basic
* rate flag share the same bit, they are not exactly
@@ -3208,7 +3261,8 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
*/
if (supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY) ||
supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY) ||
- supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HE_PHY))
+ supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HE_PHY) ||
+ supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_SAE_H2E))
continue;
for (j = 0; j < sband->n_bitrates; j++) {
@@ -3494,14 +3548,6 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
le32_get_bits(elems->he_operation->he_oper_params,
IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
- bss_conf->multi_sta_back_32bit =
- sta->sta.he_cap.he_cap_elem.mac_cap_info[2] &
- IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP;
-
- bss_conf->ack_enabled =
- sta->sta.he_cap.he_cap_elem.mac_cap_info[2] &
- IEEE80211_HE_MAC_CAP2_ACK_EN;
-
bss_conf->uora_exists = !!elems->uora_element;
if (elems->uora_element)
bss_conf->uora_ocw_range = elems->uora_element[0];
@@ -4199,7 +4245,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
true, deauth_buf);
ieee80211_report_disconnect(sdata, deauth_buf,
sizeof(deauth_buf), true,
- WLAN_REASON_DEAUTH_LEAVING);
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
return;
}
@@ -4344,7 +4391,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
tx, frame_buf);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true,
- reason);
+ reason, false);
}
static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
@@ -4716,7 +4763,8 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
if (ifmgd->auth_data)
ieee80211_destroy_auth_data(sdata, false);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
- IEEE80211_DEAUTH_FRAME_LEN);
+ IEEE80211_DEAUTH_FRAME_LEN,
+ false);
}
/* This is a bit of a hack - we should find a better and more generic
@@ -5430,7 +5478,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- WLAN_REASON_UNSPECIFIED);
+ WLAN_REASON_UNSPECIFIED,
+ false);
}
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
@@ -5471,6 +5520,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgd_assoc_data *assoc_data;
const struct cfg80211_bss_ies *beacon_ies;
struct ieee80211_supported_band *sband;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
const u8 *ssidie, *ht_ie, *vht_ie;
int i, err;
bool override = false;
@@ -5488,6 +5538,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
memcpy(assoc_data->ssid, ssidie + 2, ssidie[1]);
assoc_data->ssid_len = ssidie[1];
+ memcpy(bss_conf->ssid, assoc_data->ssid, assoc_data->ssid_len);
+ bss_conf->ssid_len = assoc_data->ssid_len;
rcu_read_unlock();
if (ifmgd->associated) {
@@ -5502,7 +5554,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- WLAN_REASON_UNSPECIFIED);
+ WLAN_REASON_UNSPECIFIED,
+ false);
}
if (ifmgd->auth_data && !ifmgd->auth_data->done) {
@@ -5801,7 +5854,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_auth_data(sdata, false);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5821,7 +5874,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_assoc_data(sdata, false, true);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5836,7 +5889,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->reason_code, tx, frame_buf);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5869,7 +5922,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
frame_buf);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-12 08:19:09 +0300