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-rw-r--r--net/mac80211/main.c69
1 files changed, 38 insertions, 31 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 562d2984c482..0d7b08db8e56 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -33,12 +33,6 @@
#include "cfg.h"
#include "debugfs.h"
-
-static bool ieee80211_disable_40mhz_24ghz;
-module_param(ieee80211_disable_40mhz_24ghz, bool, 0644);
-MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz,
- "Disable 40MHz support in the 2.4GHz band");
-
static struct lock_class_key ieee80211_rx_skb_queue_class;
void ieee80211_configure_filter(struct ieee80211_local *local)
@@ -364,7 +358,8 @@ static void ieee80211_restart_work(struct work_struct *work)
flush_workqueue(local->workqueue);
mutex_lock(&local->mtx);
- WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
+ WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+ local->sched_scanning,
"%s called with hardware scan in progress\n", __func__);
mutex_unlock(&local->mtx);
@@ -545,7 +540,9 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
},
[NL80211_IFTYPE_MESH_POINT] = {
.tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4),
},
};
@@ -584,8 +581,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
wiphy->flags |= WIPHY_FLAG_NETNS_OK |
WIPHY_FLAG_4ADDR_AP |
- WIPHY_FLAG_4ADDR_STATION |
- WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS;
+ WIPHY_FLAG_4ADDR_STATION;
if (!ops->set_key)
wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -656,6 +652,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
setup_timer(&local->dynamic_ps_timer,
ieee80211_dynamic_ps_timer, (unsigned long) local);
+ INIT_WORK(&local->sched_scan_stopped_work,
+ ieee80211_sched_scan_stopped_work);
+
sta_info_init(local);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
@@ -686,7 +685,7 @@ EXPORT_SYMBOL(ieee80211_alloc_hw);
int ieee80211_register_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
- int result;
+ int result, i;
enum ieee80211_band band;
int channels, max_bitrates;
bool supp_ht;
@@ -701,6 +700,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
WLAN_CIPHER_SUITE_AES_CMAC
};
+ if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns)
+#ifdef CONFIG_PM
+ && (!local->ops->suspend || !local->ops->resume)
+#endif
+ )
+ return -EINVAL;
+
if (hw->max_report_rates == 0)
hw->max_report_rates = hw->max_rates;
@@ -726,18 +732,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
channels += sband->n_channels;
- /*
- * Since ieee80211_disable_40mhz_24ghz is global, we can
- * modify the sband's ht data even if the driver uses a
- * global structure for that.
- */
- if (ieee80211_disable_40mhz_24ghz &&
- band == IEEE80211_BAND_2GHZ &&
- sband->ht_cap.ht_supported) {
- sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
- }
-
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;
@@ -749,17 +743,30 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
return -ENOMEM;
/* if low-level driver supports AP, we also support VLAN */
- if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP))
- local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
+ hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
+ hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN);
+ }
/* mac80211 always supports monitor */
- local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
+ hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
+ hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
+
+ /* mac80211 doesn't support more than 1 channel */
+ for (i = 0; i < hw->wiphy->n_iface_combinations; i++)
+ if (hw->wiphy->iface_combinations[i].num_different_channels > 1)
+ return -EINVAL;
#ifndef CONFIG_MAC80211_MESH
/* mesh depends on Kconfig, but drivers should set it if they want */
local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT);
#endif
+ /* if the underlying driver supports mesh, mac80211 will (at least)
+ * provide routing of mesh authentication frames to userspace */
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))
+ local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH;
+
/* mac80211 supports control port protocol changing */
local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL;
@@ -838,6 +845,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (!local->ops->remain_on_channel)
local->hw.wiphy->max_remain_on_channel_duration = 5000;
+ if (local->ops->sched_scan_start)
+ local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
+
result = wiphy_register(local->hw.wiphy);
if (result < 0)
goto fail_wiphy_register;
@@ -861,8 +871,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
* and we need some headroom for passing the frame to monitor
* interfaces, but never both at the same time.
*/
+#ifndef __CHECKER__
BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM !=
sizeof(struct ieee80211_tx_status_rtap_hdr));
+#endif
local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
sizeof(struct ieee80211_tx_status_rtap_hdr));
@@ -879,10 +891,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->dynamic_ps_forced_timeout = -1;
- result = sta_info_start(local);
- if (result < 0)
- goto fail_sta_info;
-
result = ieee80211_wep_init(local);
if (result < 0)
wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
@@ -945,7 +953,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
rtnl_unlock();
ieee80211_wep_free(local);
sta_info_stop(local);
- fail_sta_info:
destroy_workqueue(local->workqueue);
fail_workqueue:
wiphy_unregister(local->hw.wiphy);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.