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Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c68
1 files changed, 45 insertions, 23 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 4c2b5ba3ac09..6423173bb87e 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -146,6 +146,8 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
continue;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
continue;
+ if (sdata->vif.bss_conf.txpower == INT_MIN)
+ continue;
power = min(power, sdata->vif.bss_conf.txpower);
}
rcu_read_unlock();
@@ -416,7 +418,20 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
},
[NL80211_IFTYPE_STATION] = {
.tx = 0xffff,
+ /*
+ * To support Pre Association Security Negotiation (PASN) while
+ * already associated to one AP, allow user space to register to
+ * Rx authentication frames, so that the user space logic would
+ * be able to receive/handle authentication frames from a
+ * different AP as part of PASN.
+ * It is expected that user space would intelligently register
+ * for Rx authentication frames, i.e., only when PASN is used
+ * and configure a match filter only for PASN authentication
+ * algorithm, as otherwise the MLME functionality of mac80211
+ * would be broken.
+ */
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
},
[NL80211_IFTYPE_AP] = {
@@ -561,7 +576,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
WIPHY_FLAG_REPORTS_OBSS |
WIPHY_FLAG_OFFCHAN_TX;
- if (ops->remain_on_channel)
+ if (!use_chanctx || ops->remain_on_channel)
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS |
@@ -574,6 +589,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_STA);
wiphy_ext_feature_set(wiphy,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH);
if (!ops->hw_scan) {
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
@@ -872,7 +889,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
enum nl80211_band band;
int channels, max_bitrates;
bool supp_ht, supp_vht, supp_he;
- netdev_features_t feature_whitelist;
struct cfg80211_chan_def dflt_chandef = {};
if (ieee80211_hw_check(hw, QUEUE_CONTROL) &&
@@ -931,10 +947,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
/* Only HW csum features are currently compatible with mac80211 */
- feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA |
- NETIF_F_GSO_SOFTWARE | NETIF_F_RXCSUM;
- if (WARN_ON(hw->netdev_features & ~feature_whitelist))
+ if (WARN_ON(hw->netdev_features & ~MAC80211_SUPPORTED_FEATURES))
return -EINVAL;
if (hw->max_report_rates == 0)
@@ -981,6 +994,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (!supp_he)
supp_he = !!ieee80211_get_he_sta_cap(sband);
+ /* HT, VHT, HE require QoS, thus >= 4 queues */
+ if (WARN_ON(local->hw.queues < IEEE80211_NUM_ACS &&
+ (supp_ht || supp_vht || supp_he)))
+ return -EINVAL;
+
if (!sband->ht_cap.ht_supported)
continue;
@@ -1051,7 +1069,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
if (hw->max_signal <= 0) {
result = -EINVAL;
- goto fail_wiphy_register;
+ goto fail_workqueue;
}
}
@@ -1065,6 +1083,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
NL80211_EXT_FEATURE_EXT_KEY_ID);
}
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_ADHOC))
+ wiphy_ext_feature_set(local->hw.wiphy,
+ NL80211_EXT_FEATURE_DEL_IBSS_STA);
+
/*
* Calculate scan IE length -- we need this to alloc
* memory and to subtract from the driver limit. It
@@ -1113,7 +1135,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
result = ieee80211_init_cipher_suites(local);
if (result < 0)
- goto fail_wiphy_register;
+ goto fail_workqueue;
if (!local->ops->remain_on_channel)
local->hw.wiphy->max_remain_on_channel_duration = 5000;
@@ -1139,10 +1161,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CSA_COUNTERS_NUM;
- result = wiphy_register(local->hw.wiphy);
- if (result < 0)
- goto fail_wiphy_register;
-
/*
* We use the number of queues for feature tests (QoS, HT) internally
* so restrict them appropriately.
@@ -1165,8 +1183,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
IEEE80211_TX_STATUS_HEADROOM);
- debugfs_hw_add(local);
-
/*
* if the driver doesn't specify a max listen interval we
* use 5 which should be a safe default
@@ -1184,10 +1200,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (!local->hw.weight_multiplier)
local->hw.weight_multiplier = 1;
- result = ieee80211_wep_init(local);
- if (result < 0)
- wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
- result);
+ ieee80211_wep_init(local);
local->hw.conf.flags = IEEE80211_CONF_IDLE;
@@ -1198,9 +1211,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
goto fail_flows;
rtnl_lock();
-
result = ieee80211_init_rate_ctrl_alg(local,
hw->rate_control_algorithm);
+ rtnl_unlock();
if (result < 0) {
wiphy_debug(local->hw.wiphy,
"Failed to initialize rate control algorithm\n");
@@ -1254,6 +1267,15 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->sband_allocated |= BIT(band);
}
+ result = wiphy_register(local->hw.wiphy);
+ if (result < 0)
+ goto fail_wiphy_register;
+
+ debugfs_hw_add(local);
+ rate_control_add_debugfs(local);
+
+ rtnl_lock();
+
/* add one default STA interface if supported */
if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION) &&
!ieee80211_hw_check(hw, NO_AUTO_VIF)) {
@@ -1293,17 +1315,17 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
#if defined(CONFIG_INET) || defined(CONFIG_IPV6)
fail_ifa:
#endif
+ wiphy_unregister(local->hw.wiphy);
+ fail_wiphy_register:
rtnl_lock();
rate_control_deinitialize(local);
ieee80211_remove_interfaces(local);
- fail_rate:
rtnl_unlock();
+ fail_rate:
fail_flows:
ieee80211_led_exit(local);
destroy_workqueue(local->workqueue);
fail_workqueue:
- wiphy_unregister(local->hw.wiphy);
- fail_wiphy_register:
if (local->wiphy_ciphers_allocated)
kfree(local->hw.wiphy->cipher_suites);
kfree(local->int_scan_req);
@@ -1353,8 +1375,8 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
skb_queue_purge(&local->skb_queue_unreliable);
skb_queue_purge(&local->skb_queue_tdls_chsw);
- destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
+ destroy_workqueue(local->workqueue);
ieee80211_led_exit(local);
kfree(local->int_scan_req);
}
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