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-rw-r--r--net/mac80211/main.c1232
1 files changed, 935 insertions, 297 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 091088ac7890..b05e313c7f17 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1,15 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright (C) 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018-2025 Intel Corporation
*/
#include <net/mac80211.h>
#include <linux/module.h>
+#include <linux/fips.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/types.h>
@@ -19,9 +20,9 @@
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <linux/bitmap.h>
-#include <linux/pm_qos.h>
#include <linux/inetdevice.h>
#include <net/net_namespace.h>
+#include <net/dropreason.h>
#include <net/cfg80211.h>
#include <net/addrconf.h>
@@ -31,7 +32,6 @@
#include "mesh.h"
#include "wep.h"
#include "led.h"
-#include "cfg.h"
#include "debugfs.h"
void ieee80211_configure_filter(struct ieee80211_local *local)
@@ -40,9 +40,6 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
unsigned int changed_flags;
unsigned int new_flags = 0;
- if (atomic_read(&local->iff_promiscs))
- new_flags |= FIF_PROMISC_IN_BSS;
-
if (atomic_read(&local->iff_allmultis))
new_flags |= FIF_ALLMULTI;
@@ -68,6 +65,9 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
if (local->fif_pspoll)
new_flags |= FIF_PSPOLL;
+ if (local->rx_mcast_action_reg)
+ new_flags |= FIF_MCAST_ACTION;
+
spin_lock_bh(&local->filter_lock);
changed_flags = local->filter_flags ^ new_flags;
@@ -84,7 +84,8 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
local->filter_flags = new_flags & ~(1<<31);
}
-static void ieee80211_reconfig_filter(struct work_struct *work)
+static void ieee80211_reconfig_filter(struct wiphy *wiphy,
+ struct wiphy_work *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, reconfig_filter);
@@ -92,49 +93,63 @@ static void ieee80211_reconfig_filter(struct work_struct *work)
ieee80211_configure_filter(local);
}
-static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
+static u32 ieee80211_calc_hw_conf_chan(struct ieee80211_local *local,
+ struct ieee80211_chanctx_conf *ctx)
{
struct ieee80211_sub_if_data *sdata;
struct cfg80211_chan_def chandef = {};
+ struct cfg80211_chan_def *oper = NULL;
+ enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_STATIC;
u32 changed = 0;
int power;
u32 offchannel_flag;
+ if (!local->emulate_chanctx)
+ return 0;
+
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (local->scan_channel) {
- chandef.chan = local->scan_channel;
- /* If scanning on oper channel, use whatever channel-type
- * is currently in use.
- */
- if (chandef.chan == local->_oper_chandef.chan) {
- chandef = local->_oper_chandef;
- } else {
- chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
- chandef.center_freq1 = chandef.chan->center_freq;
- }
+ if (ctx && !WARN_ON(!ctx->def.chan)) {
+ oper = &ctx->def;
+ if (ctx->rx_chains_static > 1)
+ smps_mode = IEEE80211_SMPS_OFF;
+ else if (ctx->rx_chains_dynamic > 1)
+ smps_mode = IEEE80211_SMPS_DYNAMIC;
+ else
+ smps_mode = IEEE80211_SMPS_STATIC;
+ }
+
+ if (local->scan_chandef.chan) {
+ chandef = local->scan_chandef;
} else if (local->tmp_channel) {
chandef.chan = local->tmp_channel;
chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
chandef.center_freq1 = chandef.chan->center_freq;
- } else
- chandef = local->_oper_chandef;
+ chandef.freq1_offset = chandef.chan->freq_offset;
+ } else if (oper) {
+ chandef = *oper;
+ } else {
+ chandef = local->dflt_chandef;
+ }
- WARN(!cfg80211_chandef_valid(&chandef),
- "control:%d MHz width:%d center: %d/%d MHz",
- chandef.chan->center_freq, chandef.width,
- chandef.center_freq1, chandef.center_freq2);
+ if (WARN(!cfg80211_chandef_valid(&chandef),
+ "control:%d.%03d MHz width:%d center: %d.%03d/%d MHz",
+ chandef.chan ? chandef.chan->center_freq : -1,
+ chandef.chan ? chandef.chan->freq_offset : 0,
+ chandef.width, chandef.center_freq1, chandef.freq1_offset,
+ chandef.center_freq2))
+ return 0;
- if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef))
+ if (!oper || !cfg80211_chandef_identical(&chandef, oper))
local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
else
local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (offchannel_flag ||
- !cfg80211_chandef_identical(&local->hw.conf.chandef,
- &local->_oper_chandef)) {
+ /* force it also for scanning, since drivers might config differently */
+ if (offchannel_flag || local->scanning || local->in_reconfig ||
+ !cfg80211_chandef_identical(&local->hw.conf.chandef, &chandef)) {
local->hw.conf.chandef = chandef;
changed |= IEEE80211_CONF_CHANGE_CHANNEL;
}
@@ -146,16 +161,22 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
* that otherwise STATIC is used.
*/
local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC;
- } else if (local->hw.conf.smps_mode != local->smps_mode) {
- local->hw.conf.smps_mode = local->smps_mode;
+ } else if (local->hw.conf.smps_mode != smps_mode) {
+ local->hw.conf.smps_mode = smps_mode;
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
- power = chandef.chan->max_power;
+ power = ieee80211_chandef_max_power(&chandef);
+ if (local->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
+ power = min(local->user_power_level, power);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (!rcu_access_pointer(sdata->vif.chanctx_conf))
+ if (!rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf))
+ 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);
}
@@ -169,20 +190,19 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
return changed;
}
-int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
+int ieee80211_hw_config(struct ieee80211_local *local, int radio_idx,
+ u32 changed)
{
int ret = 0;
might_sleep();
- if (!local->use_chanctx)
- changed |= ieee80211_hw_conf_chan(local);
- else
- changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL |
- IEEE80211_CONF_CHANGE_POWER);
+ WARN_ON(changed & (IEEE80211_CONF_CHANGE_CHANNEL |
+ IEEE80211_CONF_CHANGE_POWER |
+ IEEE80211_CONF_CHANGE_SMPS));
if (changed && local->open_count) {
- ret = drv_config(local, changed);
+ ret = drv_config(local, radio_idx, changed);
/*
* Goal:
* HW reconfiguration should never fail, the driver has told
@@ -203,18 +223,211 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
return ret;
}
-void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+/* for scanning, offchannel and chanctx emulation only */
+static int _ieee80211_hw_conf_chan(struct ieee80211_local *local,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ u32 changed;
+
+ if (!local->open_count)
+ return 0;
+
+ changed = ieee80211_calc_hw_conf_chan(local, ctx);
+ if (!changed)
+ return 0;
+
+ return drv_config(local, -1, changed);
+}
+
+int ieee80211_hw_conf_chan(struct ieee80211_local *local)
+{
+ struct ieee80211_chanctx *ctx;
+
+ ctx = list_first_entry_or_null(&local->chanctx_list,
+ struct ieee80211_chanctx,
+ list);
+
+ return _ieee80211_hw_conf_chan(local, ctx ? &ctx->conf : NULL);
+}
+
+void ieee80211_hw_conf_init(struct ieee80211_local *local)
+{
+ u32 changed = ~(IEEE80211_CONF_CHANGE_CHANNEL |
+ IEEE80211_CONF_CHANGE_POWER |
+ IEEE80211_CONF_CHANGE_SMPS);
+
+ if (WARN_ON(!local->open_count))
+ return;
+
+ if (local->emulate_chanctx) {
+ struct ieee80211_chanctx *ctx;
+
+ ctx = list_first_entry_or_null(&local->chanctx_list,
+ struct ieee80211_chanctx,
+ list);
+
+ changed |= ieee80211_calc_hw_conf_chan(local,
+ ctx ? &ctx->conf : NULL);
+ }
+
+ WARN_ON(drv_config(local, -1, changed));
+}
+
+int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = ctx->radar_enabled;
+
+ return _ieee80211_hw_conf_chan(local, ctx);
+}
+EXPORT_SYMBOL(ieee80211_emulate_add_chanctx);
+
+void ieee80211_emulate_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = false;
+
+ _ieee80211_hw_conf_chan(local, NULL);
+}
+EXPORT_SYMBOL(ieee80211_emulate_remove_chanctx);
+
+void ieee80211_emulate_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
u32 changed)
{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = ctx->radar_enabled;
+
+ _ieee80211_hw_conf_chan(local, ctx);
+}
+EXPORT_SYMBOL(ieee80211_emulate_change_chanctx);
+
+int ieee80211_emulate_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (n_vifs <= 0)
+ return -EINVAL;
+
+ local->hw.conf.radar_enabled = vifs[0].new_ctx->radar_enabled;
+ _ieee80211_hw_conf_chan(local, vifs[0].new_ctx);
+
+ return 0;
+}
+EXPORT_SYMBOL(ieee80211_emulate_switch_vif_chanctx);
+
+#define BSS_CHANGED_VIF_CFG_FLAGS (BSS_CHANGED_ASSOC |\
+ BSS_CHANGED_IDLE |\
+ BSS_CHANGED_PS |\
+ BSS_CHANGED_IBSS |\
+ BSS_CHANGED_ARP_FILTER |\
+ BSS_CHANGED_SSID |\
+ BSS_CHANGED_MLD_VALID_LINKS |\
+ BSS_CHANGED_MLD_TTLM)
+
+void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ u64 changed)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ might_sleep();
+
+ WARN_ON_ONCE(ieee80211_vif_is_mld(&sdata->vif));
+
+ if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ return;
+
+ if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
+ BSS_CHANGED_BEACON_ENABLED) &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_OCB))
+ return;
+
+ if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
+ sdata->vif.type == NL80211_IFTYPE_NAN ||
+ (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
+ changed & ~BSS_CHANGED_TXPOWER)))
+ return;
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ if (changed & BSS_CHANGED_VIF_CFG_FLAGS) {
+ u64 ch = changed & BSS_CHANGED_VIF_CFG_FLAGS;
+
+ trace_drv_vif_cfg_changed(local, sdata, changed);
+ if (local->ops->vif_cfg_changed)
+ local->ops->vif_cfg_changed(&local->hw, &sdata->vif, ch);
+ }
+
+ if (changed & ~BSS_CHANGED_VIF_CFG_FLAGS) {
+ u64 ch = changed & ~BSS_CHANGED_VIF_CFG_FLAGS;
+
+ trace_drv_link_info_changed(local, sdata, &sdata->vif.bss_conf,
+ changed);
+ if (local->ops->link_info_changed)
+ local->ops->link_info_changed(&local->hw, &sdata->vif,
+ &sdata->vif.bss_conf, ch);
+ }
+
+ if (local->ops->bss_info_changed)
+ local->ops->bss_info_changed(&local->hw, &sdata->vif,
+ &sdata->vif.bss_conf, changed);
+ trace_drv_return_void(local);
+}
+
+void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata,
+ u64 changed)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ WARN_ON_ONCE(changed & ~BSS_CHANGED_VIF_CFG_FLAGS);
+
+ if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ return;
+
+ drv_vif_cfg_changed(local, sdata, changed);
+}
+
+void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link,
+ u64 changed)
+{
struct ieee80211_local *local = sdata->local;
+ WARN_ON_ONCE(changed & BSS_CHANGED_VIF_CFG_FLAGS);
+
if (!changed)
return;
- drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed);
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ return;
+ case NL80211_IFTYPE_MONITOR:
+ if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
+ return;
+ break;
+ default:
+ break;
+ }
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ drv_link_info_changed(local, sdata, link->conf, link->link_id, changed);
}
-u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
+u64 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
{
sdata->vif.bss_conf.use_cts_prot = false;
sdata->vif.bss_conf.use_short_preamble = false;
@@ -224,9 +437,9 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
BSS_CHANGED_ERP_SLOT;
}
-static void ieee80211_tasklet_handler(unsigned long data)
+/* context: requires softirqs disabled */
+void ieee80211_handle_queued_frames(struct ieee80211_local *local)
{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
struct sk_buff *skb;
while ((skb = skb_dequeue(&local->skb_queue)) ||
@@ -240,7 +453,7 @@ static void ieee80211_tasklet_handler(unsigned long data)
break;
case IEEE80211_TX_STATUS_MSG:
skb->pkt_type = 0;
- ieee80211_tx_status(&local->hw, skb);
+ ieee80211_tx_status_skb(&local->hw, skb);
break;
default:
WARN(1, "mac80211: Packet is of unknown type %d\n",
@@ -251,24 +464,72 @@ static void ieee80211_tasklet_handler(unsigned long data)
}
}
+static void ieee80211_tasklet_handler(struct tasklet_struct *t)
+{
+ struct ieee80211_local *local = from_tasklet(local, t, tasklet);
+
+ ieee80211_handle_queued_frames(local);
+}
+
static void ieee80211_restart_work(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, restart_work);
+ struct ieee80211_sub_if_data *sdata;
+ int ret;
- /* wait for scan work complete */
flush_workqueue(local->workqueue);
- mutex_lock(&local->mtx);
- WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
- rcu_dereference_protected(local->sched_scan_sdata,
- lockdep_is_held(&local->mtx)),
- "%s called with hardware scan in progress\n", __func__);
- mutex_unlock(&local->mtx);
-
rtnl_lock();
+ /* we might do interface manipulations, so need both */
+ wiphy_lock(local->hw.wiphy);
+ wiphy_work_flush(local->hw.wiphy, NULL);
+
+ WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
+ "%s called with hardware scan in progress\n", __func__);
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ /*
+ * XXX: there may be more work for other vif types and even
+ * for station mode: a good thing would be to run most of
+ * the iface type's dependent _stop (ieee80211_mg_stop,
+ * ieee80211_ibss_stop) etc...
+ * For now, fix only the specific bug that was seen: race
+ * between csa_connection_drop_work and us.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ /*
+ * This worker is scheduled from the iface worker that
+ * runs on mac80211's workqueue, so we can't be
+ * scheduling this worker after the cancel right here.
+ * The exception is ieee80211_chswitch_done.
+ * Then we can have a race...
+ */
+ wiphy_work_cancel(local->hw.wiphy,
+ &sdata->u.mgd.csa_connection_drop_work);
+ if (sdata->vif.bss_conf.csa_active)
+ ieee80211_sta_connection_lost(sdata,
+ WLAN_REASON_UNSPECIFIED,
+ false);
+ }
+ wiphy_delayed_work_flush(local->hw.wiphy,
+ &sdata->dec_tailroom_needed_wk);
+ }
ieee80211_scan_cancel(local);
- ieee80211_reconfig(local);
+
+ /* make sure any new ROC will consider local->in_reconfig */
+ wiphy_delayed_work_flush(local->hw.wiphy, &local->roc_work);
+ wiphy_work_flush(local->hw.wiphy, &local->hw_roc_done);
+
+ /* wait for all packet processing to be done */
+ synchronize_net();
+
+ ret = ieee80211_reconfig(local);
+ wiphy_unlock(local->hw.wiphy);
+
+ if (ret)
+ cfg80211_shutdown_all_interfaces(local->hw.wiphy);
+
rtnl_unlock();
}
@@ -283,7 +544,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
/* use this reason, ieee80211_reconfig will unblock it */
ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
- IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND,
+ false);
/*
* Stop all Rx during the reconfig. We don't want state changes
@@ -292,7 +554,7 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
local->in_reconfig = true;
barrier();
- schedule_work(&local->restart_work);
+ queue_work(system_freezable_wq, &local->restart_work);
}
EXPORT_SYMBOL(ieee80211_restart_hw);
@@ -308,7 +570,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
struct wireless_dev *wdev = ndev->ieee80211_ptr;
struct in_device *idev;
struct ieee80211_sub_if_data *sdata;
- struct ieee80211_bss_conf *bss_conf;
+ struct ieee80211_vif_cfg *vif_cfg;
struct ieee80211_if_managed *ifmgd;
int c = 0;
@@ -316,11 +578,11 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
if (!wdev)
return NOTIFY_DONE;
- if (wdev->wiphy != local->hw.wiphy)
+ if (wdev->wiphy != local->hw.wiphy || !wdev->registered)
return NOTIFY_DONE;
sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
- bss_conf = &sdata->vif.bss_conf;
+ vif_cfg = &sdata->vif.cfg;
/* ARP filtering is only supported in managed mode */
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -331,27 +593,44 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
return NOTIFY_DONE;
ifmgd = &sdata->u.mgd;
- sdata_lock(sdata);
- /* Copy the addresses to the bss_conf list */
- ifa = idev->ifa_list;
+ /*
+ * The nested here is needed to convince lockdep that this is
+ * all OK. Yes, we lock the wiphy mutex here while we already
+ * hold the notifier rwsem, that's the normal case. And yes,
+ * we also acquire the notifier rwsem again when unregistering
+ * a netdev while we already hold the wiphy mutex, so it does
+ * look like a typical ABBA deadlock.
+ *
+ * However, both of these things happen with the RTNL held
+ * already. Therefore, they can't actually happen, since the
+ * lock orders really are ABC and ACB, which is fine due to
+ * the RTNL (A).
+ *
+ * We still need to prevent recursion, which is accomplished
+ * by the !wdev->registered check above.
+ */
+ mutex_lock_nested(&local->hw.wiphy->mtx, 1);
+ __acquire(&local->hw.wiphy->mtx);
+
+ /* Copy the addresses to the vif config list */
+ ifa = rtnl_dereference(idev->ifa_list);
while (ifa) {
if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN)
- bss_conf->arp_addr_list[c] = ifa->ifa_address;
- ifa = ifa->ifa_next;
+ vif_cfg->arp_addr_list[c] = ifa->ifa_address;
+ ifa = rtnl_dereference(ifa->ifa_next);
c++;
}
- bss_conf->arp_addr_cnt = c;
+ vif_cfg->arp_addr_cnt = c;
/* Configure driver only if associated (which also implies it is up) */
if (ifmgd->associated)
- ieee80211_bss_info_change_notify(sdata,
- BSS_CHANGED_ARP_FILTER);
+ ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_ARP_FILTER);
- sdata_unlock(sdata);
+ wiphy_unlock(local->hw.wiphy);
- return NOTIFY_DONE;
+ return NOTIFY_OK;
}
#endif
@@ -382,7 +661,7 @@ static int ieee80211_ifa6_changed(struct notifier_block *nb,
drv_ipv6_addr_change(local, sdata, idev);
- return NOTIFY_DONE;
+ return NOTIFY_OK;
}
#endif
@@ -398,7 +677,20 @@ 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] = {
@@ -445,8 +737,18 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
},
[NL80211_IFTYPE_P2P_DEVICE] = {
.tx = 0xffff,
+ /*
+ * To support P2P PASN pairing let user space register to rx
+ * also AUTH frames on P2P device interface.
+ */
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
- BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4),
+ },
+ [NL80211_IFTYPE_NAN] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4),
},
};
@@ -457,7 +759,11 @@ static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_MAX_AMSDU |
IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40),
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_TX_STBC |
+ IEEE80211_HT_CAP_RX_STBC |
+ IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_40MHZ_INTOLERANT),
.mcs = {
.rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, },
@@ -469,10 +775,7 @@ static const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = {
cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_SHORT_GI_160 |
- IEEE80211_VHT_CAP_RXSTBC_1 |
- IEEE80211_VHT_CAP_RXSTBC_2 |
- IEEE80211_VHT_CAP_RXSTBC_3 |
- IEEE80211_VHT_CAP_RXSTBC_4 |
+ IEEE80211_VHT_CAP_RXSTBC_MASK |
IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
@@ -485,34 +788,48 @@ static const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = {
},
};
-static const u8 extended_capabilities[] = {
- 0, 0, 0, 0, 0, 0, 0,
- WLAN_EXT_CAPA8_OPMODE_NOTIF,
-};
-
-struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
- const struct ieee80211_ops *ops)
+struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
+ const struct ieee80211_ops *ops,
+ const char *requested_name)
{
struct ieee80211_local *local;
int priv_size, i;
struct wiphy *wiphy;
- bool use_chanctx;
+ bool emulate_chanctx;
if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config ||
!ops->add_interface || !ops->remove_interface ||
- !ops->configure_filter))
+ !ops->configure_filter || !ops->wake_tx_queue))
return NULL;
if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove)))
return NULL;
- /* check all or no channel context operations exist */
- i = !!ops->add_chanctx + !!ops->remove_chanctx +
- !!ops->change_chanctx + !!ops->assign_vif_chanctx +
- !!ops->unassign_vif_chanctx;
- if (WARN_ON(i != 0 && i != 5))
+ if (WARN_ON(!!ops->link_info_changed != !!ops->vif_cfg_changed ||
+ (ops->link_info_changed && ops->bss_info_changed)))
return NULL;
- use_chanctx = i == 5;
+
+ /* check all or no channel context operations exist */
+ if (ops->add_chanctx == ieee80211_emulate_add_chanctx &&
+ ops->remove_chanctx == ieee80211_emulate_remove_chanctx &&
+ ops->change_chanctx == ieee80211_emulate_change_chanctx) {
+ if (WARN_ON(ops->assign_vif_chanctx ||
+ ops->unassign_vif_chanctx))
+ return NULL;
+ emulate_chanctx = true;
+ } else {
+ if (WARN_ON(ops->add_chanctx == ieee80211_emulate_add_chanctx ||
+ ops->remove_chanctx == ieee80211_emulate_remove_chanctx ||
+ ops->change_chanctx == ieee80211_emulate_change_chanctx))
+ return NULL;
+ if (WARN_ON(!ops->add_chanctx ||
+ !ops->remove_chanctx ||
+ !ops->change_chanctx ||
+ !ops->assign_vif_chanctx ||
+ !ops->unassign_vif_chanctx))
+ return NULL;
+ emulate_chanctx = false;
+ }
/* Ensure 32-byte alignment of our private data and hw private data.
* We use the wiphy priv data for both our ieee80211_local and for
@@ -531,7 +848,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
*/
priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;
- wiphy = wiphy_new(&mac80211_config_ops, priv_size);
+ wiphy = wiphy_new_nm(&mac80211_config_ops, priv_size, requested_name);
if (!wiphy)
return NULL;
@@ -546,44 +863,94 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
WIPHY_FLAG_REPORTS_OBSS |
WIPHY_FLAG_OFFCHAN_TX;
- wiphy->extended_capabilities = extended_capabilities;
- wiphy->extended_capabilities_mask = extended_capabilities;
- wiphy->extended_capabilities_len = ARRAY_SIZE(extended_capabilities);
-
- if (ops->remain_on_channel)
+ if (emulate_chanctx || ops->remain_on_channel)
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ wiphy->bss_param_support = WIPHY_BSS_PARAM_CTS_PROT |
+ WIPHY_BSS_PARAM_SHORT_PREAMBLE |
+ WIPHY_BSS_PARAM_SHORT_SLOT_TIME |
+ WIPHY_BSS_PARAM_BASIC_RATES |
+ WIPHY_BSS_PARAM_AP_ISOLATE |
+ WIPHY_BSS_PARAM_HT_OPMODE |
+ WIPHY_BSS_PARAM_P2P_CTWINDOW |
+ WIPHY_BSS_PARAM_P2P_OPPPS;
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS |
NL80211_FEATURE_SAE |
NL80211_FEATURE_HT_IBSS |
NL80211_FEATURE_VIF_TXPOWER |
- NL80211_FEATURE_USERSPACE_MPM;
-
- if (!ops->hw_scan)
+ NL80211_FEATURE_MAC_ON_CREATE |
+ NL80211_FEATURE_USERSPACE_MPM |
+ NL80211_FEATURE_FULL_AP_CLIENT_STATE;
+ 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);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SCAN_FREQ_KHZ);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_POWERED_ADDR_CHANGE);
+
+ if (!ops->hw_scan) {
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
NL80211_FEATURE_AP_SCAN;
+ /*
+ * if the driver behaves correctly using the probe request
+ * (template) from mac80211, then both of these should be
+ * supported even with hw scan - but let drivers opt in.
+ */
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SCAN_RANDOM_SN);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT);
+ }
-
- if (!ops->set_key)
+ if (!ops->set_key) {
wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT);
+ }
+
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_TXQS);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_RRM);
wiphy->bss_priv_size = sizeof(struct ieee80211_bss);
local = wiphy_priv(wiphy);
+ if (sta_info_init(local))
+ goto err_free;
+
local->hw.wiphy = wiphy;
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
local->ops = ops;
- local->use_chanctx = use_chanctx;
+ local->emulate_chanctx = emulate_chanctx;
+
+ if (emulate_chanctx)
+ ieee80211_hw_set(&local->hw, CHANCTX_STA_CSA);
+
+ /*
+ * We need a bit of data queued to build aggregates properly, so
+ * instruct the TCP stack to allow more than a single ms of data
+ * to be queued in the stack. The value is a bit-shift of 1
+ * second, so 7 is ~8ms of queued data. Only affects local TCP
+ * sockets.
+ * This is the default, anyhow - drivers may need to override it
+ * for local reasons (longer buffers, longer completion time, or
+ * similar).
+ */
+ local->hw.tx_sk_pacing_shift = 7;
/* set up some defaults */
local->hw.queues = 1;
local->hw.max_rates = 1;
local->hw.max_report_rates = 0;
- local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
- local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+ local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HT;
+ local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HT;
local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE;
local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
@@ -594,103 +961,237 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;
+ local->hw.max_mtu = IEEE80211_MAX_DATA_LEN;
local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask;
wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask;
+ local->ext_capa[7] = WLAN_EXT_CAPA8_OPMODE_NOTIF;
+
+ wiphy->extended_capabilities = local->ext_capa;
+ wiphy->extended_capabilities_mask = local->ext_capa;
+ wiphy->extended_capabilities_len =
+ ARRAY_SIZE(local->ext_capa);
+
INIT_LIST_HEAD(&local->interfaces);
+ INIT_LIST_HEAD(&local->mon_list);
__hw_addr_init(&local->mc_list);
mutex_init(&local->iflist_mtx);
- mutex_init(&local->mtx);
-
- mutex_init(&local->key_mtx);
spin_lock_init(&local->filter_lock);
spin_lock_init(&local->rx_path_lock);
spin_lock_init(&local->queue_stop_reason_lock);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ INIT_LIST_HEAD(&local->active_txqs[i]);
+ spin_lock_init(&local->active_txq_lock[i]);
+ local->aql_txq_limit_low[i] = IEEE80211_DEFAULT_AQL_TXQ_LIMIT_L;
+ local->aql_txq_limit_high[i] =
+ IEEE80211_DEFAULT_AQL_TXQ_LIMIT_H;
+ atomic_set(&local->aql_ac_pending_airtime[i], 0);
+ }
+
+ local->airtime_flags = AIRTIME_USE_TX | AIRTIME_USE_RX;
+ local->aql_threshold = IEEE80211_AQL_THRESHOLD;
+ atomic_set(&local->aql_total_pending_airtime, 0);
+
+ spin_lock_init(&local->handle_wake_tx_queue_lock);
+
INIT_LIST_HEAD(&local->chanctx_list);
- mutex_init(&local->chanctx_mtx);
- INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
+ wiphy_delayed_work_init(&local->scan_work, ieee80211_scan_work);
INIT_WORK(&local->restart_work, ieee80211_restart_work);
- INIT_WORK(&local->radar_detected_work,
- ieee80211_dfs_radar_detected_work);
+ wiphy_work_init(&local->radar_detected_work,
+ ieee80211_dfs_radar_detected_work);
- INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);
- local->smps_mode = IEEE80211_SMPS_OFF;
+ wiphy_work_init(&local->reconfig_filter, ieee80211_reconfig_filter);
- INIT_WORK(&local->dynamic_ps_enable_work,
- ieee80211_dynamic_ps_enable_work);
- INIT_WORK(&local->dynamic_ps_disable_work,
- ieee80211_dynamic_ps_disable_work);
- setup_timer(&local->dynamic_ps_timer,
- ieee80211_dynamic_ps_timer, (unsigned long) local);
+ wiphy_work_init(&local->dynamic_ps_enable_work,
+ ieee80211_dynamic_ps_enable_work);
+ wiphy_work_init(&local->dynamic_ps_disable_work,
+ ieee80211_dynamic_ps_disable_work);
+ timer_setup(&local->dynamic_ps_timer, ieee80211_dynamic_ps_timer, 0);
- INIT_WORK(&local->sched_scan_stopped_work,
- ieee80211_sched_scan_stopped_work);
+ wiphy_work_init(&local->sched_scan_stopped_work,
+ ieee80211_sched_scan_stopped_work);
spin_lock_init(&local->ack_status_lock);
idr_init(&local->ack_status_frames);
- sta_info_init(local);
-
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
skb_queue_head_init(&local->pending[i]);
atomic_set(&local->agg_queue_stop[i], 0);
}
- tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
- (unsigned long)local);
-
- tasklet_init(&local->tasklet,
- ieee80211_tasklet_handler,
- (unsigned long) local);
+ tasklet_setup(&local->tx_pending_tasklet, ieee80211_tx_pending);
+ tasklet_setup(&local->wake_txqs_tasklet, ieee80211_wake_txqs);
+ tasklet_setup(&local->tasklet, ieee80211_tasklet_handler);
skb_queue_head_init(&local->skb_queue);
skb_queue_head_init(&local->skb_queue_unreliable);
- ieee80211_led_names(local);
+ ieee80211_alloc_led_names(local);
ieee80211_roc_setup(local);
+ local->hw.radiotap_timestamp.units_pos = -1;
+ local->hw.radiotap_timestamp.accuracy = -1;
+
return &local->hw;
+ err_free:
+ wiphy_free(wiphy);
+ return NULL;
}
-EXPORT_SYMBOL(ieee80211_alloc_hw);
+EXPORT_SYMBOL(ieee80211_alloc_hw_nm);
-int ieee80211_register_hw(struct ieee80211_hw *hw)
+static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
{
- struct ieee80211_local *local = hw_to_local(hw);
- int result, i;
- enum ieee80211_band band;
- int channels, max_bitrates;
- bool supp_ht, supp_vht;
- netdev_features_t feature_whitelist;
- struct cfg80211_chan_def dflt_chandef = {};
+ bool have_mfp = ieee80211_hw_check(&local->hw, MFP_CAPABLE);
static const u32 cipher_suites[] = {
- /* keep WEP first, it may be removed below */
+ /* keep WEP and TKIP first, they may be removed below */
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_CCMP_256,
+ WLAN_CIPHER_SUITE_GCMP,
+ WLAN_CIPHER_SUITE_GCMP_256,
/* keep last -- depends on hw flags! */
- WLAN_CIPHER_SUITE_AES_CMAC
+ WLAN_CIPHER_SUITE_AES_CMAC,
+ WLAN_CIPHER_SUITE_BIP_CMAC_256,
+ WLAN_CIPHER_SUITE_BIP_GMAC_128,
+ WLAN_CIPHER_SUITE_BIP_GMAC_256,
};
- if (hw->flags & IEEE80211_HW_QUEUE_CONTROL &&
+ if (ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL) && fips_enabled) {
+ dev_err(local->hw.wiphy->dev.parent,
+ "Drivers with SW_CRYPTO_CONTROL cannot work with FIPS\n");
+ return -EINVAL;
+ }
+
+ if (WARN_ON(ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL) &&
+ !local->hw.wiphy->cipher_suites))
+ return -EINVAL;
+
+ if (fips_enabled || !local->hw.wiphy->cipher_suites) {
+ /* assign the (software supported and perhaps offloaded)
+ * cipher suites
+ */
+ local->hw.wiphy->cipher_suites = cipher_suites;
+ local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+ if (!have_mfp)
+ local->hw.wiphy->n_cipher_suites -= 4;
+
+ /* FIPS does not permit the use of RC4 */
+ if (fips_enabled) {
+ local->hw.wiphy->cipher_suites += 3;
+ local->hw.wiphy->n_cipher_suites -= 3;
+ }
+ }
+
+ return 0;
+}
+
+static bool
+ieee80211_ifcomb_check(const struct ieee80211_iface_combination *c, int n_comb)
+{
+ int i, j;
+
+ for (i = 0; i < n_comb; i++, c++) {
+ /* DFS is not supported with multi-channel combinations yet */
+ if (c->radar_detect_widths &&
+ c->num_different_channels > 1)
+ return false;
+
+ /* mac80211 doesn't support more than one IBSS interface */
+ for (j = 0; j < c->n_limits; j++)
+ if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) &&
+ c->limits[j].max > 1)
+ return false;
+ }
+
+ return true;
+}
+
+int ieee80211_register_hw(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ int result, i;
+ enum nl80211_band band;
+ int channels, max_bitrates;
+ bool supp_ht, supp_vht, supp_he, supp_eht, supp_s1g;
+ struct cfg80211_chan_def dflt_chandef = {};
+
+ if (ieee80211_hw_check(hw, QUEUE_CONTROL) &&
(local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE ||
local->hw.offchannel_tx_hw_queue >= local->hw.queues))
return -EINVAL;
+ if ((hw->wiphy->features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) &&
+ (!local->ops->tdls_channel_switch ||
+ !local->ops->tdls_cancel_channel_switch ||
+ !local->ops->tdls_recv_channel_switch))
+ return -EOPNOTSUPP;
+
+ if (WARN_ON(ieee80211_hw_check(hw, SUPPORTS_TX_FRAG) &&
+ !local->ops->set_frag_threshold))
+ return -EINVAL;
+
+ if (WARN_ON(local->hw.wiphy->interface_modes &
+ BIT(NL80211_IFTYPE_NAN) &&
+ (!local->ops->start_nan || !local->ops->stop_nan)))
+ return -EINVAL;
+
+ if (hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO) {
+ /*
+ * For drivers capable of doing MLO, assume modern driver
+ * or firmware facilities, so software doesn't have to do
+ * as much, e.g. monitoring beacons would be hard if we
+ * might not even know which link is active at which time.
+ */
+ if (WARN_ON(local->emulate_chanctx))
+ return -EINVAL;
+
+ if (WARN_ON(!local->ops->link_info_changed))
+ return -EINVAL;
+
+ if (WARN_ON(!ieee80211_hw_check(hw, HAS_RATE_CONTROL)))
+ return -EINVAL;
+
+ if (WARN_ON(!ieee80211_hw_check(hw, AMPDU_AGGREGATION)))
+ return -EINVAL;
+
+ if (WARN_ON(ieee80211_hw_check(hw, HOST_BROADCAST_PS_BUFFERING)))
+ return -EINVAL;
+
+ if (WARN_ON(ieee80211_hw_check(hw, SUPPORTS_PS) &&
+ (!ieee80211_hw_check(hw, SUPPORTS_DYNAMIC_PS) ||
+ ieee80211_hw_check(hw, PS_NULLFUNC_STACK))))
+ return -EINVAL;
+
+ if (WARN_ON(!ieee80211_hw_check(hw, MFP_CAPABLE)))
+ return -EINVAL;
+
+ if (WARN_ON(ieee80211_hw_check(hw, NEED_DTIM_BEFORE_ASSOC)))
+ return -EINVAL;
+
+ if (WARN_ON(ieee80211_hw_check(hw, TIMING_BEACON_ONLY)))
+ return -EINVAL;
+
+ if (WARN_ON(!ieee80211_hw_check(hw, AP_LINK_PS)))
+ return -EINVAL;
+ }
+
#ifdef CONFIG_PM
if (hw->wiphy->wowlan && (!local->ops->suspend || !local->ops->resume))
return -EINVAL;
#endif
- if (!local->use_chanctx) {
+ if (local->emulate_chanctx) {
for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) {
const struct ieee80211_iface_combination *comb;
@@ -699,30 +1200,24 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (comb->num_different_channels > 1)
return -EINVAL;
}
- } else {
- /*
- * WDS is currently prohibited when channel contexts are used
- * because there's no clear definition of which channel WDS
- * type interfaces use
- */
- if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS))
- return -EINVAL;
-
- /* DFS currently not supported with channel context drivers */
- for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) {
- const struct ieee80211_iface_combination *comb;
+ }
- comb = &local->hw.wiphy->iface_combinations[i];
+ if (hw->wiphy->n_radio) {
+ for (i = 0; i < hw->wiphy->n_radio; i++) {
+ const struct wiphy_radio *radio = &hw->wiphy->radio[i];
- if (comb->radar_detect_widths)
+ if (!ieee80211_ifcomb_check(radio->iface_combinations,
+ radio->n_iface_combinations))
return -EINVAL;
}
+ } else {
+ if (!ieee80211_ifcomb_check(hw->wiphy->iface_combinations,
+ hw->wiphy->n_iface_combinations))
+ return -EINVAL;
}
/* Only HW csum features are currently compatible with mac80211 */
- feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_HW_CSUM;
- 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)
@@ -739,7 +1234,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
max_bitrates = 0;
supp_ht = false;
supp_vht = false;
- for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ supp_he = false;
+ supp_eht = false;
+ supp_s1g = false;
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ const struct ieee80211_sband_iftype_data *iftd;
struct ieee80211_supported_band *sband;
sband = local->hw.wiphy->bands[band];
@@ -747,45 +1246,104 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
continue;
if (!dflt_chandef.chan) {
+ /*
+ * Assign the first enabled channel to dflt_chandef
+ * from the list of channels. For S1G interfaces
+ * ensure it can be used as a primary.
+ */
+ for (i = 0; i < sband->n_channels; i++)
+ if (!(sband->channels[i].flags &
+ (IEEE80211_CHAN_DISABLED |
+ IEEE80211_CHAN_S1G_NO_PRIMARY)))
+ break;
+ /* if none found then use the first anyway */
+ if (i == sband->n_channels)
+ i = 0;
cfg80211_chandef_create(&dflt_chandef,
- &sband->channels[0],
+ &sband->channels[i],
NL80211_CHAN_NO_HT);
/* init channel we're on */
- if (!local->use_chanctx && !local->_oper_chandef.chan) {
+ local->monitor_chanreq.oper = dflt_chandef;
+ if (local->emulate_chanctx) {
+ local->dflt_chandef = dflt_chandef;
local->hw.conf.chandef = dflt_chandef;
- local->_oper_chandef = dflt_chandef;
}
- local->monitor_chandef = dflt_chandef;
}
channels += sband->n_channels;
+ /*
+ * Due to the way the aggregation code handles this and it
+ * being an HT capability, we can't really support delayed
+ * BA in MLO (yet).
+ */
+ if (WARN_ON(sband->ht_cap.ht_supported &&
+ (sband->ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA) &&
+ hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
+ return -EINVAL;
+
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;
supp_vht = supp_vht || sband->vht_cap.vht_supported;
+ supp_s1g = supp_s1g || sband->s1g_cap.s1g;
+
+ for_each_sband_iftype_data(sband, i, iftd) {
+ u8 he_40_mhz_cap;
+
+ supp_he = supp_he || iftd->he_cap.has_he;
+ supp_eht = supp_eht || iftd->eht_cap.has_eht;
+
+ if (band == NL80211_BAND_2GHZ)
+ he_40_mhz_cap =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
+ else
+ he_40_mhz_cap =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
+
+ /* currently no support for HE client where HT has 40 MHz but not HT */
+ if (iftd->he_cap.has_he &&
+ iftd->types_mask & (BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT)) &&
+ sband->ht_cap.ht_supported &&
+ sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
+ !(iftd->he_cap.he_cap_elem.phy_cap_info[0] & he_40_mhz_cap))
+ return -EINVAL;
- if (sband->ht_cap.ht_supported)
- local->rx_chains =
- max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs),
- local->rx_chains);
+ /* no support for per-band vendor elems with MLO */
+ if (WARN_ON(iftd->vendor_elems.len &&
+ hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
+ return -EINVAL;
+ }
- /* TODO: consider VHT for RX chains, hopefully it's the same */
- }
+ /* 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;
- local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +
- sizeof(void *) * channels, GFP_KERNEL);
- if (!local->int_scan_req)
- return -ENOMEM;
+ /* EHT requires HE support */
+ if (WARN_ON(supp_eht && !supp_he))
+ return -EINVAL;
- for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
- if (!local->hw.wiphy->bands[band])
+ if (!sband->ht_cap.ht_supported)
continue;
- local->int_scan_req->rates[band] = (u32) -1;
+
+ /* TODO: consider VHT for RX chains, hopefully it's the same */
+ local->rx_chains =
+ max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs),
+ local->rx_chains);
+
+ /* no need to mask, SM_PS_DISABLED has all bits set */
+ sband->ht_cap.cap |= WLAN_HT_CAP_SM_PS_DISABLED <<
+ IEEE80211_HT_CAP_SM_PS_SHIFT;
}
- /* if low-level driver supports AP, we also support VLAN */
- if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
+ /* if low-level driver supports AP, we also support VLAN.
+ * drivers advertising SW_CRYPTO_CONTROL should enable AP_VLAN
+ * based on their support to transmit SW encrypted packets.
+ */
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP) &&
+ !ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL)) {
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN);
}
@@ -794,17 +1352,19 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
- /* mac80211 doesn't support more than one IBSS interface right now */
- for (i = 0; i < hw->wiphy->n_iface_combinations; i++) {
- const struct ieee80211_iface_combination *c;
- int j;
- c = &hw->wiphy->iface_combinations[i];
+ local->int_scan_req = kzalloc(struct_size(local->int_scan_req,
+ channels, channels),
+ GFP_KERNEL);
+ if (!local->int_scan_req)
+ return -ENOMEM;
- for (j = 0; j < c->n_limits; j++)
- if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) &&
- c->limits[j].max > 1)
- return -EINVAL;
+ eth_broadcast_addr(local->int_scan_req->bssid);
+
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ if (!local->hw.wiphy->bands[band])
+ continue;
+ local->int_scan_req->rates[band] = (u32) -1;
}
#ifndef CONFIG_MAC80211_MESH
@@ -820,14 +1380,29 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
/* mac80211 supports control port protocol changing */
local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL;
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ if (ieee80211_hw_check(&local->hw, SIGNAL_DBM)) {
local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
- else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
+ } else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC)) {
local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
+ if (hw->max_signal <= 0) {
+ result = -EINVAL;
+ goto fail_workqueue;
+ }
+ }
- WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)
- && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),
- "U-APSD not supported with HW_PS_NULLFUNC_STACK\n");
+ /* Mac80211 and therefore all drivers using SW crypto only
+ * are able to handle PTK rekeys and Extended Key ID.
+ */
+ if (!local->ops->set_key) {
+ wiphy_ext_feature_set(local->hw.wiphy,
+ NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
+ wiphy_ext_feature_set(local->hw.wiphy,
+ 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
@@ -844,6 +1419,24 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->scan_ies_len +=
2 + sizeof(struct ieee80211_vht_cap);
+ if (supp_s1g)
+ local->scan_ies_len += 2 + sizeof(struct ieee80211_s1g_cap);
+
+ /*
+ * HE cap element is variable in size - set len to allow max size */
+ if (supp_he) {
+ local->scan_ies_len +=
+ 3 + sizeof(struct ieee80211_he_cap_elem) +
+ sizeof(struct ieee80211_he_mcs_nss_supp) +
+ IEEE80211_HE_PPE_THRES_MAX_LEN;
+
+ if (supp_eht)
+ local->scan_ies_len +=
+ 3 + sizeof(struct ieee80211_eht_cap_elem) +
+ sizeof(struct ieee80211_eht_mcs_nss_supp) +
+ IEEE80211_EHT_PPE_THRES_MAX_LEN;
+ }
+
if (!local->ops->hw_scan) {
/* For hw_scan, driver needs to set these up. */
local->hw.wiphy->max_scan_ssids = 4;
@@ -860,57 +1453,33 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (local->hw.wiphy->max_scan_ie_len)
local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len;
- /* Set up cipher suites unless driver already did */
- if (!local->hw.wiphy->cipher_suites) {
- local->hw.wiphy->cipher_suites = cipher_suites;
- local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
- if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))
- local->hw.wiphy->n_cipher_suites--;
- }
- if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {
- if (local->hw.wiphy->cipher_suites == cipher_suites) {
- local->hw.wiphy->cipher_suites += 2;
- local->hw.wiphy->n_cipher_suites -= 2;
- } else {
- u32 *suites;
- int r, w = 0;
-
- /* Filter out WEP */
-
- suites = kmemdup(
- local->hw.wiphy->cipher_suites,
- sizeof(u32) * local->hw.wiphy->n_cipher_suites,
- GFP_KERNEL);
- if (!suites) {
- result = -ENOMEM;
- goto fail_wiphy_register;
- }
- for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
- u32 suite = local->hw.wiphy->cipher_suites[r];
- if (suite == WLAN_CIPHER_SUITE_WEP40 ||
- suite == WLAN_CIPHER_SUITE_WEP104)
- continue;
- suites[w++] = suite;
- }
- local->hw.wiphy->cipher_suites = suites;
- local->hw.wiphy->n_cipher_suites = w;
- local->wiphy_ciphers_allocated = true;
- }
- }
+ result = ieee80211_init_cipher_suites(local);
+ if (result < 0)
+ goto fail_workqueue;
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;
-
/* mac80211 based drivers don't support internal TDLS setup */
if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)
local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
- result = wiphy_register(local->hw.wiphy);
- if (result < 0)
- goto fail_wiphy_register;
+ /* mac80211 supports eCSA, if the driver supports STA CSA at all */
+ if (ieee80211_hw_check(&local->hw, CHANCTX_STA_CSA))
+ local->ext_capa[0] |= WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING;
+
+ /* mac80211 supports multi BSSID, if the driver supports it */
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_MULTI_BSSID)) {
+ local->hw.wiphy->support_mbssid = true;
+ if (ieee80211_hw_check(&local->hw,
+ SUPPORTS_ONLY_HE_MULTI_BSSID))
+ local->hw.wiphy->support_only_he_mbssid = true;
+ else
+ local->ext_capa[2] |=
+ WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT;
+ }
+
+ local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CNTDWN_COUNTERS_NUM;
/*
* We use the number of queues for feature tests (QoS, HT) internally
@@ -934,8 +1503,6 @@ 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
@@ -947,43 +1514,106 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->dynamic_ps_forced_timeout = -1;
- result = ieee80211_wep_init(local);
- if (result < 0)
- wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
- result);
+ if (!local->hw.max_nan_de_entries)
+ local->hw.max_nan_de_entries = IEEE80211_MAX_NAN_INSTANCE_ID;
+
+ if (!local->hw.weight_multiplier)
+ local->hw.weight_multiplier = 1;
+
+ ieee80211_wep_init(local);
+
+ local->hw.conf.flags = IEEE80211_CONF_IDLE;
ieee80211_led_init(local);
- rtnl_lock();
+ result = ieee80211_txq_setup_flows(local);
+ if (result)
+ 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");
goto fail_rate;
}
+ if (local->rate_ctrl) {
+ clear_bit(IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW, hw->flags);
+ if (local->rate_ctrl->ops->capa & RATE_CTRL_CAPA_VHT_EXT_NSS_BW)
+ ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
+ }
+
+ /*
+ * If the VHT capabilities don't have IEEE80211_VHT_EXT_NSS_BW_CAPABLE,
+ * or have it when we don't, copy the sband structure and set/clear it.
+ * This is necessary because rate scaling algorithms could be switched
+ * and have different support values.
+ * Print a message so that in the common case the reallocation can be
+ * avoided.
+ */
+ BUILD_BUG_ON(NUM_NL80211_BANDS > 8 * sizeof(local->sband_allocated));
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ struct ieee80211_supported_band *sband;
+ bool local_cap, ie_cap;
+
+ local_cap = ieee80211_hw_check(hw, SUPPORTS_VHT_EXT_NSS_BW);
+
+ sband = local->hw.wiphy->bands[band];
+ if (!sband || !sband->vht_cap.vht_supported)
+ continue;
+
+ ie_cap = !!(sband->vht_cap.vht_mcs.tx_highest &
+ cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE));
+
+ if (local_cap == ie_cap)
+ continue;
+
+ sband = kmemdup(sband, sizeof(*sband), GFP_KERNEL);
+ if (!sband) {
+ result = -ENOMEM;
+ goto fail_rate;
+ }
+
+ wiphy_dbg(hw->wiphy, "copying sband (band %d) due to VHT EXT NSS BW flag\n",
+ band);
+
+ sband->vht_cap.vht_mcs.tx_highest ^=
+ cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE);
+
+ local->hw.wiphy->bands[band] = sband;
+ 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);
+
+ ieee80211_check_wbrf_support(local);
+
+ rtnl_lock();
+ wiphy_lock(hw->wiphy);
+
/* add one default STA interface if supported */
- if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) {
- result = ieee80211_if_add(local, "wlan%d", NULL,
- NL80211_IFTYPE_STATION, NULL);
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION) &&
+ !ieee80211_hw_check(hw, NO_AUTO_VIF)) {
+ struct vif_params params = {0};
+
+ result = ieee80211_if_add(local, "wlan%d", NET_NAME_ENUM, NULL,
+ NL80211_IFTYPE_STATION, &params);
if (result)
wiphy_warn(local->hw.wiphy,
"Failed to add default virtual iface\n");
}
+ wiphy_unlock(hw->wiphy);
rtnl_unlock();
- local->network_latency_notifier.notifier_call =
- ieee80211_max_network_latency;
- result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,
- &local->network_latency_notifier);
- if (result) {
- rtnl_lock();
- goto fail_pm_qos;
- }
-
#ifdef CONFIG_INET
local->ifa_notifier.notifier_call = ieee80211_ifa_changed;
result = register_inetaddr_notifier(&local->ifa_notifier);
@@ -1008,23 +1638,19 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
#endif
#if defined(CONFIG_INET) || defined(CONFIG_IPV6)
fail_ifa:
- pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY,
- &local->network_latency_notifier);
- rtnl_lock();
#endif
- fail_pm_qos:
- ieee80211_led_exit(local);
+ wiphy_unregister(local->hw.wiphy);
+ fail_wiphy_register:
+ rtnl_lock();
+ rate_control_deinitialize(local);
ieee80211_remove_interfaces(local);
- fail_rate:
rtnl_unlock();
- ieee80211_wep_free(local);
- sta_info_stop(local);
+ fail_rate:
+ ieee80211_txq_teardown_flows(local);
+ 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);
return result;
}
@@ -1037,8 +1663,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
tasklet_kill(&local->tx_pending_tasklet);
tasklet_kill(&local->tasklet);
- pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY,
- &local->network_latency_notifier);
#ifdef CONFIG_INET
unregister_inetaddr_notifier(&local->ifa_notifier);
#endif
@@ -1055,10 +1679,17 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
*/
ieee80211_remove_interfaces(local);
+ ieee80211_txq_teardown_flows(local);
+
+ wiphy_lock(local->hw.wiphy);
+ wiphy_delayed_work_cancel(local->hw.wiphy, &local->roc_work);
+ wiphy_work_cancel(local->hw.wiphy, &local->reconfig_filter);
+ wiphy_work_cancel(local->hw.wiphy, &local->sched_scan_stopped_work);
+ wiphy_work_cancel(local->hw.wiphy, &local->radar_detected_work);
+ wiphy_unlock(local->hw.wiphy);
rtnl_unlock();
cancel_work_sync(&local->restart_work);
- cancel_work_sync(&local->reconfig_filter);
ieee80211_clear_tx_pending(local);
rate_control_deinitialize(local);
@@ -1069,10 +1700,8 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
skb_queue_purge(&local->skb_queue);
skb_queue_purge(&local->skb_queue_unreliable);
- destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
- sta_info_stop(local);
- ieee80211_wep_free(local);
+ destroy_workqueue(local->workqueue);
ieee80211_led_exit(local);
kfree(local->int_scan_req);
}
@@ -1088,20 +1717,38 @@ static int ieee80211_free_ack_frame(int id, void *p, void *data)
void ieee80211_free_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
+ enum nl80211_band band;
mutex_destroy(&local->iflist_mtx);
- mutex_destroy(&local->mtx);
-
- if (local->wiphy_ciphers_allocated)
- kfree(local->hw.wiphy->cipher_suites);
idr_for_each(&local->ack_status_frames,
ieee80211_free_ack_frame, NULL);
idr_destroy(&local->ack_status_frames);
+ sta_info_stop(local);
+
+ ieee80211_free_led_names(local);
+
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ if (!(local->sband_allocated & BIT(band)))
+ continue;
+ kfree(local->hw.wiphy->bands[band]);
+ }
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);
+#define V(x) #x,
+static const char * const drop_reasons_unusable[] = {
+ [0] = "RX_DROP_UNUSABLE",
+ MAC80211_DROP_REASONS_UNUSABLE(V)
+#undef V
+};
+
+static struct drop_reason_list drop_reason_list_unusable = {
+ .reasons = drop_reasons_unusable,
+ .n_reasons = ARRAY_SIZE(drop_reasons_unusable),
+};
static int __init ieee80211_init(void)
{
@@ -1116,24 +1763,15 @@ static int __init ieee80211_init(void)
if (ret)
return ret;
- ret = rc80211_minstrel_ht_init();
- if (ret)
- goto err_minstrel;
-
- ret = rc80211_pid_init();
- if (ret)
- goto err_pid;
-
ret = ieee80211_iface_init();
if (ret)
goto err_netdev;
+ drop_reasons_register_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE,
+ &drop_reason_list_unusable);
+
return 0;
err_netdev:
- rc80211_pid_exit();
- err_pid:
- rc80211_minstrel_ht_exit();
- err_minstrel:
rc80211_minstrel_exit();
return ret;
@@ -1141,14 +1779,14 @@ static int __init ieee80211_init(void)
static void __exit ieee80211_exit(void)
{
- rc80211_pid_exit();
- rc80211_minstrel_ht_exit();
rc80211_minstrel_exit();
ieee80211s_stop();
ieee80211_iface_exit();
+ drop_reasons_unregister_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE);
+
rcu_barrier();
}
generated by cgit (git 2.34.1) at 2025-12-21 21:45:15 +0000