summaryrefslogtreecommitdiff
path: root/net/mac80211/iface.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/iface.c')
-rw-r--r--net/mac80211/iface.c406
1 files changed, 271 insertions, 135 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b4ad66af3af3..4f04d95c19d4 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -8,7 +8,7 @@
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018-2024 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
*/
#include <linux/slab.h>
#include <linux/kernel.h>
@@ -44,13 +44,13 @@
static void ieee80211_iface_work(struct wiphy *wiphy, struct wiphy_work *work);
-bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
+bool __ieee80211_recalc_txpower(struct ieee80211_link_data *link)
{
struct ieee80211_chanctx_conf *chanctx_conf;
int power;
rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
+ chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
if (!chanctx_conf) {
rcu_read_unlock();
return false;
@@ -59,27 +59,26 @@ bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
power = ieee80211_chandef_max_power(&chanctx_conf->def);
rcu_read_unlock();
- if (sdata->deflink.user_power_level != IEEE80211_UNSET_POWER_LEVEL)
- power = min(power, sdata->deflink.user_power_level);
+ if (link->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
+ power = min(power, link->user_power_level);
- if (sdata->deflink.ap_power_level != IEEE80211_UNSET_POWER_LEVEL)
- power = min(power, sdata->deflink.ap_power_level);
+ if (link->ap_power_level != IEEE80211_UNSET_POWER_LEVEL)
+ power = min(power, link->ap_power_level);
- if (power != sdata->vif.bss_conf.txpower) {
- sdata->vif.bss_conf.txpower = power;
- ieee80211_hw_config(sdata->local, 0);
+ if (power != link->conf->txpower) {
+ link->conf->txpower = power;
return true;
}
return false;
}
-void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
+void ieee80211_recalc_txpower(struct ieee80211_link_data *link,
bool update_bss)
{
- if (__ieee80211_recalc_txpower(sdata) ||
- (update_bss && ieee80211_sdata_running(sdata)))
- ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ if (__ieee80211_recalc_txpower(link) ||
+ (update_bss && ieee80211_sdata_running(link->sdata)))
+ ieee80211_link_info_change_notify(link->sdata, link,
BSS_CHANGED_TXPOWER);
}
@@ -108,6 +107,7 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
{
bool working, scanning, active;
unsigned int led_trig_start = 0, led_trig_stop = 0;
+ struct ieee80211_sub_if_data *iter;
lockdep_assert_wiphy(local->hw.wiphy);
@@ -118,6 +118,14 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
working = !local->ops->remain_on_channel &&
!list_empty(&local->roc_list);
+ list_for_each_entry(iter, &local->interfaces, list) {
+ if (iter->vif.type == NL80211_IFTYPE_NAN &&
+ iter->u.nan.started) {
+ working = true;
+ break;
+ }
+ }
+
scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);
@@ -147,7 +155,7 @@ void ieee80211_recalc_idle(struct ieee80211_local *local)
{
u32 change = __ieee80211_recalc_idle(local, false);
if (change)
- ieee80211_hw_config(local, change);
+ ieee80211_hw_config(local, -1, change);
}
static int ieee80211_verify_mac(struct ieee80211_sub_if_data *sdata, u8 *addr,
@@ -215,6 +223,10 @@ static int ieee80211_can_powered_addr_change(struct ieee80211_sub_if_data *sdata
if (netif_carrier_ok(sdata->dev))
return -EBUSY;
+ /* if any stations are set known (so they know this vif too), reject */
+ if (sta_info_get_by_idx(sdata, 0))
+ return -EBUSY;
+
/* First check no ROC work is happening on this iface */
list_for_each_entry(roc, &local->roc_list, list) {
if (roc->sdata != sdata)
@@ -234,12 +246,16 @@ static int ieee80211_can_powered_addr_change(struct ieee80211_sub_if_data *sdata
ret = -EBUSY;
}
+ /*
+ * More interface types could be added here but changing the
+ * address while powered makes the most sense in client modes.
+ */
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- /* More interface types could be added here but changing the
- * address while powered makes the most sense in client modes.
- */
+ /* refuse while connecting */
+ if (sdata->u.mgd.auth_data || sdata->u.mgd.assoc_data)
+ return -EBUSY;
break;
default:
ret = -EOPNOTSUPP;
@@ -296,7 +312,6 @@ static int ieee80211_change_mac(struct net_device *dev, void *addr)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- int ret;
/*
* This happens during unregistration if there's a bond device
@@ -306,11 +321,9 @@ static int ieee80211_change_mac(struct net_device *dev, void *addr)
if (!dev->ieee80211_ptr->registered)
return 0;
- wiphy_lock(local->hw.wiphy);
- ret = _ieee80211_change_mac(sdata, addr);
- wiphy_unlock(local->hw.wiphy);
+ guard(wiphy)(local->hw.wiphy);
- return ret;
+ return _ieee80211_change_mac(sdata, addr);
}
static inline int identical_mac_addr_allowed(int type1, int type2)
@@ -446,22 +459,20 @@ static int ieee80211_open(struct net_device *dev)
if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
- wiphy_lock(sdata->local->hw.wiphy);
+ guard(wiphy)(sdata->local->hw.wiphy);
+
err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);
if (err)
- goto out;
-
- err = ieee80211_do_open(&sdata->wdev, true);
-out:
- wiphy_unlock(sdata->local->hw.wiphy);
+ return err;
- return err;
+ return ieee80211_do_open(&sdata->wdev, true);
}
static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_down)
{
struct ieee80211_local *local = sdata->local;
unsigned long flags;
+ struct sk_buff_head freeq;
struct sk_buff *skb, *tmp;
u32 hw_reconf_flags = 0;
int i, flushed;
@@ -489,10 +500,11 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
ieee80211_ibss_stop(sdata);
break;
case NL80211_IFTYPE_MONITOR:
- if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
- break;
list_del_rcu(&sdata->u.mntr.list);
break;
+ case NL80211_IFTYPE_AP_VLAN:
+ ieee80211_apvlan_link_clear(sdata);
+ break;
default:
break;
}
@@ -534,7 +546,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
netif_addr_unlock_bh(sdata->dev);
}
- del_timer_sync(&local->dynamic_ps_timer);
+ timer_delete_sync(&local->dynamic_ps_timer);
wiphy_work_cancel(local->hw.wiphy, &local->dynamic_ps_enable_work);
WARN(ieee80211_vif_is_mld(&sdata->vif),
@@ -550,15 +562,15 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
wiphy_work_cancel(local->hw.wiphy,
&sdata->deflink.color_change_finalize_work);
wiphy_delayed_work_cancel(local->hw.wiphy,
- &sdata->dfs_cac_timer_work);
+ &sdata->deflink.dfs_cac_timer_work);
- if (sdata->wdev.cac_started) {
+ if (sdata->wdev.links[0].cac_started) {
chandef = sdata->vif.bss_conf.chanreq.oper;
WARN_ON(local->suspended);
ieee80211_link_release_channel(&sdata->deflink);
cfg80211_cac_event(sdata->dev, &chandef,
NL80211_RADAR_CAC_ABORTED,
- GFP_KERNEL);
+ GFP_KERNEL, 0);
}
if (sdata->vif.type == NL80211_IFTYPE_AP) {
@@ -590,18 +602,19 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
/* no need to tell driver */
break;
case NL80211_IFTYPE_MONITOR:
- if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) {
- local->cooked_mntrs--;
- break;
- }
-
local->monitors--;
- if (local->monitors == 0) {
- local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
- hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
- }
- ieee80211_adjust_monitor_flags(sdata, -1);
+ if (!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) &&
+ !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
+
+ local->virt_monitors--;
+ if (local->virt_monitors == 0) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
+ }
+
+ ieee80211_adjust_monitor_flags(sdata, -1);
+ }
break;
case NL80211_IFTYPE_NAN:
/* clean all the functions */
@@ -615,10 +628,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
spin_unlock_bh(&sdata->u.nan.func_lock);
break;
- case NL80211_IFTYPE_P2P_DEVICE:
- /* relies on synchronize_rcu() below */
- RCU_INIT_POINTER(local->p2p_sdata, NULL);
- fallthrough;
default:
wiphy_work_cancel(sdata->local->hw.wiphy, &sdata->work);
/*
@@ -637,21 +646,38 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
skb_queue_purge(&sdata->status_queue);
}
+ /*
+ * Since ieee80211_free_txskb() may issue __dev_queue_xmit()
+ * which should be called with interrupts enabled, reclamation
+ * is done in two phases:
+ */
+ __skb_queue_head_init(&freeq);
+
+ /* unlink from local queues... */
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
skb_queue_walk_safe(&local->pending[i], skb, tmp) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (info->control.vif == &sdata->vif) {
__skb_unlink(skb, &local->pending[i]);
- ieee80211_free_txskb(&local->hw, skb);
+ __skb_queue_tail(&freeq, skb);
}
}
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ /* ... and perform actual reclamation with interrupts enabled. */
+ skb_queue_walk_safe(&freeq, skb, tmp) {
+ __skb_unlink(skb, &freeq);
+ ieee80211_free_txskb(&local->hw, skb);
+ }
+
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
ieee80211_txq_remove_vlan(local, sdata);
+ if (sdata->vif.txq)
+ ieee80211_txq_purge(sdata->local, to_txq_info(sdata->vif.txq));
+
sdata->bss = NULL;
if (local->open_count == 0)
@@ -678,15 +704,17 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
case NL80211_IFTYPE_AP_VLAN:
break;
case NL80211_IFTYPE_MONITOR:
- if (local->monitors == 0)
+ if (local->virt_monitors == 0)
ieee80211_del_virtual_monitor(local);
ieee80211_recalc_idle(local);
ieee80211_recalc_offload(local);
- if (!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))
+ if (!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) &&
+ !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
break;
+ ieee80211_link_release_channel(&sdata->deflink);
fallthrough;
default:
if (!going_down)
@@ -711,36 +739,66 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
/* do after stop to avoid reconfiguring when we stop anyway */
ieee80211_configure_filter(local);
- ieee80211_hw_config(local, hw_reconf_flags);
+ ieee80211_hw_config(local, -1, hw_reconf_flags);
- if (local->monitors == local->open_count)
- ieee80211_add_virtual_monitor(local);
+ /* Passing NULL means an interface is picked for configuration */
+ if (local->virt_monitors == local->open_count)
+ ieee80211_add_virtual_monitor(local, NULL);
}
-static void ieee80211_stop_mbssid(struct ieee80211_sub_if_data *sdata)
+void ieee80211_stop_mbssid(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *tx_sdata, *non_tx_sdata, *tmp_sdata;
- struct ieee80211_vif *tx_vif = sdata->vif.mbssid_tx_vif;
+ struct ieee80211_sub_if_data *tx_sdata;
+ struct ieee80211_bss_conf *link_conf, *tx_bss_conf;
+ struct ieee80211_link_data *tx_link, *link;
+ unsigned int link_id;
- if (!tx_vif)
- return;
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
+ /* Check if any of the links of current sdata is an MBSSID. */
+ for_each_vif_active_link(&sdata->vif, link_conf, link_id) {
+ tx_bss_conf = sdata_dereference(link_conf->tx_bss_conf, sdata);
+ if (!tx_bss_conf)
+ continue;
- tx_sdata = vif_to_sdata(tx_vif);
- sdata->vif.mbssid_tx_vif = NULL;
+ tx_sdata = vif_to_sdata(tx_bss_conf->vif);
+ RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);
- list_for_each_entry_safe(non_tx_sdata, tmp_sdata,
- &tx_sdata->local->interfaces, list) {
- if (non_tx_sdata != sdata && non_tx_sdata != tx_sdata &&
- non_tx_sdata->vif.mbssid_tx_vif == tx_vif &&
- ieee80211_sdata_running(non_tx_sdata)) {
- non_tx_sdata->vif.mbssid_tx_vif = NULL;
- dev_close(non_tx_sdata->wdev.netdev);
+ /* If we are not tx sdata reset tx sdata's tx_bss_conf to avoid recusrion
+ * while closing tx sdata at the end of outer loop below.
+ */
+ if (sdata != tx_sdata) {
+ tx_link = sdata_dereference(tx_sdata->link[tx_bss_conf->link_id],
+ tx_sdata);
+ if (!tx_link)
+ continue;
+
+ RCU_INIT_POINTER(tx_link->conf->tx_bss_conf, NULL);
}
- }
- if (sdata != tx_sdata && ieee80211_sdata_running(tx_sdata)) {
- tx_sdata->vif.mbssid_tx_vif = NULL;
- dev_close(tx_sdata->wdev.netdev);
+ /* loop through sdatas to find if any of their links
+ * belong to same MBSSID set as the one getting deleted.
+ */
+ for_each_sdata_link(tx_sdata->local, link) {
+ struct ieee80211_sub_if_data *link_sdata = link->sdata;
+
+ if (link_sdata == sdata || link_sdata == tx_sdata ||
+ rcu_access_pointer(link->conf->tx_bss_conf) != tx_bss_conf)
+ continue;
+
+ RCU_INIT_POINTER(link->conf->tx_bss_conf, NULL);
+
+ /* Remove all links of matching MLD until dynamic link
+ * removal can be supported.
+ */
+ cfg80211_stop_iface(link_sdata->wdev.wiphy, &link_sdata->wdev,
+ GFP_KERNEL);
+ }
+
+ /* If we are not tx sdata, remove links of tx sdata and proceed */
+ if (sdata != tx_sdata && ieee80211_sdata_running(tx_sdata))
+ cfg80211_stop_iface(tx_sdata->wdev.wiphy,
+ &tx_sdata->wdev, GFP_KERNEL);
}
}
@@ -748,22 +806,26 @@ static int ieee80211_stop(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- /* close dependent VLAN and MBSSID interfaces before locking wiphy */
+ /* close dependent VLAN interfaces before locking wiphy */
if (sdata->vif.type == NL80211_IFTYPE_AP) {
struct ieee80211_sub_if_data *vlan, *tmpsdata;
list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
u.vlan.list)
dev_close(vlan->dev);
-
- ieee80211_stop_mbssid(sdata);
}
- wiphy_lock(sdata->local->hw.wiphy);
+ guard(wiphy)(sdata->local->hw.wiphy);
+
wiphy_work_cancel(sdata->local->hw.wiphy, &sdata->activate_links_work);
+ /* Close the dependent MBSSID interfaces with wiphy lock as we may be
+ * terminating its partner links too in case of MLD.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ ieee80211_stop_mbssid(sdata);
+
ieee80211_do_stop(sdata, true);
- wiphy_unlock(sdata->local->hw.wiphy);
return 0;
}
@@ -797,6 +859,9 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
*/
static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
{
+ if (WARN_ON(!list_empty(&sdata->work.entry)))
+ wiphy_work_cancel(sdata->local->hw.wiphy, &sdata->work);
+
/* free extra data */
ieee80211_free_keys(sdata, false);
@@ -969,7 +1034,7 @@ static bool ieee80211_set_sdata_offload_flags(struct ieee80211_sub_if_data *sdat
local->hw.wiphy->frag_threshold != (u32)-1)
flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
- if (local->monitors)
+ if (local->virt_monitors)
flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
} else {
flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
@@ -979,7 +1044,7 @@ static bool ieee80211_set_sdata_offload_flags(struct ieee80211_sub_if_data *sdat
ieee80211_iftype_supports_hdr_offload(sdata->vif.type)) {
flags |= IEEE80211_OFFLOAD_DECAP_ENABLED;
- if (local->monitors &&
+ if (local->virt_monitors &&
!ieee80211_hw_check(&local->hw, SUPPORTS_CONC_MON_RX_DECAP))
flags &= ~IEEE80211_OFFLOAD_DECAP_ENABLED;
} else {
@@ -1072,6 +1137,8 @@ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
ADJUST(CONTROL, control);
ADJUST(CONTROL, pspoll);
ADJUST(OTHER_BSS, other_bss);
+ if (!(flags & MONITOR_FLAG_SKIP_TX))
+ local->tx_mntrs += offset;
#undef ADJUST
}
@@ -1097,6 +1164,8 @@ static void ieee80211_sdata_init(struct ieee80211_local *local,
{
sdata->local = local;
+ INIT_LIST_HEAD(&sdata->key_list);
+
/*
* Initialize the default link, so we can use link_id 0 for non-MLD,
* and that continues to work for non-MLD-aware drivers that use just
@@ -1108,7 +1177,8 @@ static void ieee80211_sdata_init(struct ieee80211_local *local,
ieee80211_link_init(sdata, -1, &sdata->deflink, &sdata->vif.bss_conf);
}
-int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
+int ieee80211_add_virtual_monitor(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *creator_sdata)
{
struct ieee80211_sub_if_data *sdata;
int ret;
@@ -1116,9 +1186,14 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
ASSERT_RTNL();
lockdep_assert_wiphy(local->hw.wiphy);
- if (local->monitor_sdata)
+ if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
return 0;
+ /* Already have a monitor set up, configure it */
+ sdata = wiphy_dereference(local->hw.wiphy, local->monitor_sdata);
+ if (sdata)
+ goto configure_monitor;
+
sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL);
if (!sdata)
return -ENOMEM;
@@ -1171,6 +1246,32 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
skb_queue_head_init(&sdata->status_queue);
wiphy_work_init(&sdata->work, ieee80211_iface_work);
+configure_monitor:
+ /* Copy in the MU-MIMO configuration if set */
+ if (!creator_sdata) {
+ struct ieee80211_sub_if_data *other;
+
+ list_for_each_entry(other, &local->mon_list, list) {
+ if (!other->vif.bss_conf.mu_mimo_owner)
+ continue;
+
+ creator_sdata = other;
+ break;
+ }
+ }
+
+ if (creator_sdata && creator_sdata->vif.bss_conf.mu_mimo_owner) {
+ sdata->vif.bss_conf.mu_mimo_owner = true;
+ memcpy(&sdata->vif.bss_conf.mu_group,
+ &creator_sdata->vif.bss_conf.mu_group,
+ sizeof(sdata->vif.bss_conf.mu_group));
+ memcpy(&sdata->u.mntr.mu_follow_addr,
+ creator_sdata->u.mntr.mu_follow_addr, ETH_ALEN);
+
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_MU_GROUPS);
+ }
+
return 0;
}
@@ -1178,6 +1279,9 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
+ if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
+ return;
+
ASSERT_RTNL();
lockdep_assert_wiphy(local->hw.wiphy);
@@ -1190,16 +1294,17 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
return;
}
- RCU_INIT_POINTER(local->monitor_sdata, NULL);
- mutex_unlock(&local->iflist_mtx);
-
- synchronize_net();
-
+ clear_bit(SDATA_STATE_RUNNING, &sdata->state);
ieee80211_link_release_channel(&sdata->deflink);
if (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
drv_remove_interface(local, sdata);
+ RCU_INIT_POINTER(local->monitor_sdata, NULL);
+ mutex_unlock(&local->iflist_mtx);
+
+ synchronize_net();
+
kfree(sdata);
}
@@ -1246,6 +1351,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
sdata->crypto_tx_tailroom_needed_cnt +=
master->crypto_tx_tailroom_needed_cnt;
+ ieee80211_apvlan_link_setup(sdata);
+
break;
}
case NL80211_IFTYPE_AP:
@@ -1296,11 +1403,18 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
}
}
+ sdata->vif.addr_valid = sdata->vif.type != NL80211_IFTYPE_MONITOR ||
+ (sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE);
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
/* no need to tell driver, but set carrier and chanctx */
if (sdata->bss->active) {
- ieee80211_link_vlan_copy_chanctx(&sdata->deflink);
+ struct ieee80211_link_data *link;
+
+ for_each_link_data(sdata, link) {
+ ieee80211_link_vlan_copy_chanctx(link);
+ }
+
netif_carrier_on(dev);
ieee80211_set_vif_encap_ops(sdata);
} else {
@@ -1308,27 +1422,29 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
}
break;
case NL80211_IFTYPE_MONITOR:
- if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) {
- local->cooked_mntrs++;
- break;
- }
-
- if (sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) {
+ if ((sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) ||
+ ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
res = drv_add_interface(local, sdata);
if (res)
goto err_stop;
- } else if (local->monitors == 0 && local->open_count == 0) {
- res = ieee80211_add_virtual_monitor(local);
- if (res)
- goto err_stop;
+ } else {
+ /* add/configure if there is no non-monitor interface */
+ if (local->virt_monitors == local->open_count) {
+ res = ieee80211_add_virtual_monitor(local, sdata);
+ if (res)
+ goto err_stop;
+ }
+
+ local->virt_monitors++;
+
+ /* must be before the call to ieee80211_configure_filter */
+ if (local->virt_monitors == 1) {
+ local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
+ }
}
- /* must be before the call to ieee80211_configure_filter */
local->monitors++;
- if (local->monitors == 1) {
- local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
- hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
- }
ieee80211_adjust_monitor_flags(sdata, 1);
ieee80211_configure_filter(local);
@@ -1336,6 +1452,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
ieee80211_recalc_idle(local);
netif_carrier_on(dev);
+ list_add_tail_rcu(&sdata->u.mntr.list, &local->mon_list);
break;
default:
if (coming_up) {
@@ -1399,19 +1516,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
sdata->vif.type != NL80211_IFTYPE_STATION);
}
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_P2P_DEVICE:
- rcu_assign_pointer(local->p2p_sdata, sdata);
- break;
- case NL80211_IFTYPE_MONITOR:
- if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
- break;
- list_add_tail_rcu(&sdata->u.mntr.list, &local->mon_list);
- break;
- default:
- break;
- }
-
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
@@ -1426,7 +1530,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
if (local->open_count == 1)
ieee80211_hw_conf_init(local);
else if (hw_reconf_flags)
- ieee80211_hw_config(local, hw_reconf_flags);
+ ieee80211_hw_config(local, -1, hw_reconf_flags);
ieee80211_recalc_ps(local);
@@ -1490,6 +1594,35 @@ static void ieee80211_iface_process_skb(struct ieee80211_local *local,
}
}
} else if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category == WLAN_CATEGORY_HT) {
+ switch (mgmt->u.action.u.ht_smps.action) {
+ case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: {
+ u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth;
+ struct ieee80211_rx_status *status;
+ struct link_sta_info *link_sta;
+ struct sta_info *sta;
+
+ sta = sta_info_get_bss(sdata, mgmt->sa);
+ if (!sta)
+ break;
+
+ status = IEEE80211_SKB_RXCB(skb);
+ if (!status->link_valid)
+ link_sta = &sta->deflink;
+ else
+ link_sta = rcu_dereference_protected(sta->link[status->link_id],
+ lockdep_is_held(&local->hw.wiphy->mtx));
+ if (link_sta)
+ ieee80211_ht_handle_chanwidth_notif(local, sdata, sta,
+ link_sta, chanwidth,
+ status->band);
+ break;
+ }
+ default:
+ WARN_ON(1);
+ break;
+ }
+ } else if (ieee80211_is_action(mgmt->frame_control) &&
mgmt->u.action.category == WLAN_CATEGORY_VHT) {
switch (mgmt->u.action.u.vht_group_notif.action_code) {
case WLAN_VHT_ACTION_OPMODE_NOTIF: {
@@ -1541,6 +1674,21 @@ static void ieee80211_iface_process_skb(struct ieee80211_local *local,
ieee80211_process_neg_ttlm_res(sdata, mgmt,
skb->len);
break;
+ case WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN:
+ ieee80211_process_ttlm_teardown(sdata);
+ break;
+ case WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_RESP:
+ ieee80211_process_ml_reconf_resp(sdata, mgmt,
+ skb->len);
+ break;
+ case WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_RESP:
+ ieee80211_process_epcs_ena_resp(sdata, mgmt,
+ skb->len);
+ break;
+ case WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_TEARDOWN:
+ ieee80211_process_epcs_teardown(sdata, mgmt,
+ skb->len);
+ break;
default:
break;
}
@@ -1729,8 +1877,6 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
wiphy_work_init(&sdata->work, ieee80211_iface_work);
wiphy_work_init(&sdata->activate_links_work,
ieee80211_activate_links_work);
- wiphy_delayed_work_init(&sdata->dfs_cac_timer_work,
- ieee80211_dfs_cac_timer_work);
switch (type) {
case NL80211_IFTYPE_P2P_GO:
@@ -2132,8 +2278,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ieee80211_init_frag_cache(&sdata->frags);
- INIT_LIST_HEAD(&sdata->key_list);
-
wiphy_delayed_work_init(&sdata->dec_tailroom_needed_wk,
ieee80211_delayed_tailroom_dec);
@@ -2163,9 +2307,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ieee80211_set_default_queues(sdata);
- sdata->deflink.ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
- sdata->deflink.user_power_level = local->user_power_level;
-
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
@@ -2259,7 +2400,7 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
*/
cfg80211_shutdown_all_interfaces(local->hw.wiphy);
- wiphy_lock(local->hw.wiphy);
+ guard(wiphy)(local->hw.wiphy);
WARN(local->open_count, "%s: open count remains %d\n",
wiphy_name(local->hw.wiphy), local->open_count);
@@ -2289,7 +2430,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
if (!netdev)
kfree(sdata);
}
- wiphy_unlock(local->hw.wiphy);
}
static int netdev_notify(struct notifier_block *nb,
@@ -2351,18 +2491,14 @@ void ieee80211_vif_block_queues_csa(struct ieee80211_sub_if_data *sdata)
if (ieee80211_hw_check(&local->hw, HANDLES_QUIET_CSA))
return;
- ieee80211_stop_vif_queues(local, sdata,
- IEEE80211_QUEUE_STOP_REASON_CSA);
- sdata->csa_blocked_queues = true;
+ ieee80211_stop_vif_queues_norefcount(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
}
void ieee80211_vif_unblock_queues_csa(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
- if (sdata->csa_blocked_queues) {
- ieee80211_wake_vif_queues(local, sdata,
- IEEE80211_QUEUE_STOP_REASON_CSA);
- sdata->csa_blocked_queues = false;
- }
+ ieee80211_wake_vif_queues_norefcount(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
}
generated by cgit (git 2.34.1) at 2025-12-25 03:20:22 +0000