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-rw-r--r--net/mac80211/cfg.c8
-rw-r--r--net/mac80211/mlme.c2
-rw-r--r--net/wireless/ap.c46
-rw-r--r--net/wireless/chan.c196
-rw-r--r--net/wireless/core.c28
-rw-r--r--net/wireless/core.h13
-rw-r--r--net/wireless/ibss.c57
-rw-r--r--net/wireless/mesh.c31
-rw-r--r--net/wireless/mlme.c74
-rw-r--r--net/wireless/nl80211.c623
-rw-r--r--net/wireless/ocb.c5
-rw-r--r--net/wireless/rdev-ops.h32
-rw-r--r--net/wireless/reg.c139
-rw-r--r--net/wireless/scan.c8
-rw-r--r--net/wireless/sme.c102
-rw-r--r--net/wireless/trace.h86
-rw-r--r--net/wireless/util.c44
-rw-r--r--net/wireless/wext-compat.c48
-rw-r--r--net/wireless/wext-sme.c29
19 files changed, 1084 insertions, 487 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 881efbfb96f6..362cac9e2135 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1342,7 +1342,8 @@ static void ieee80211_free_next_beacon(struct ieee80211_sub_if_data *sdata)
sdata->u.ap.next_beacon = NULL;
}
-static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
+static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
+ unsigned int link_id)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *vlan;
@@ -3049,6 +3050,7 @@ static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
struct net_device *dev,
+ unsigned int link_id,
const u8 *addr,
const struct cfg80211_bitrate_mask *mask)
{
@@ -3390,7 +3392,7 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
if (err)
return err;
- cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
+ cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef, 0);
return 0;
}
@@ -3898,6 +3900,7 @@ unlock:
static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
+ unsigned int link_id,
struct cfg80211_chan_def *chandef)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
@@ -3958,6 +3961,7 @@ static int ieee80211_set_qos_map(struct wiphy *wiphy,
static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
struct net_device *dev,
+ unsigned int link_id,
struct cfg80211_chan_def *chandef)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6d5ad71ef02c..e0a9b7d63071 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1314,7 +1314,7 @@ static void ieee80211_chswitch_post_beacon(struct ieee80211_sub_if_data *sdata)
return;
}
- cfg80211_ch_switch_notify(sdata->dev, &sdata->reserved_chandef);
+ cfg80211_ch_switch_notify(sdata->dev, &sdata->reserved_chandef, 0);
}
void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success)
diff --git a/net/wireless/ap.c b/net/wireless/ap.c
index 550ac9d827fe..e68923200018 100644
--- a/net/wireless/ap.c
+++ b/net/wireless/ap.c
@@ -1,4 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
+/*
+ * Parts of this file are
+ * Copyright (C) 2022 Intel Corporation
+ */
#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/cfg80211.h>
@@ -7,8 +11,9 @@
#include "rdev-ops.h"
-int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool notify)
+static int ___cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, unsigned int link_id,
+ bool notify)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
@@ -22,15 +27,16 @@ int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- if (!wdev->beacon_interval)
+ if (!wdev->links[link_id].ap.beacon_interval)
return -ENOENT;
- err = rdev_stop_ap(rdev, dev);
+ err = rdev_stop_ap(rdev, dev, link_id);
if (!err) {
wdev->conn_owner_nlportid = 0;
- wdev->beacon_interval = 0;
- memset(&wdev->chandef, 0, sizeof(wdev->chandef));
- wdev->ssid_len = 0;
+ wdev->links[link_id].ap.beacon_interval = 0;
+ memset(&wdev->links[link_id].ap.chandef, 0,
+ sizeof(wdev->links[link_id].ap.chandef));
+ wdev->u.ap.ssid_len = 0;
rdev_set_qos_map(rdev, dev, NULL);
if (notify)
nl80211_send_ap_stopped(wdev);
@@ -46,14 +52,36 @@ int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
return err;
}
+int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, int link_id,
+ bool notify)
+{
+ unsigned int link;
+ int ret = 0;
+
+ if (link_id >= 0)
+ return ___cfg80211_stop_ap(rdev, dev, link_id, notify);
+
+ for_each_valid_link(dev->ieee80211_ptr, link) {
+ int ret1 = ___cfg80211_stop_ap(rdev, dev, link, notify);
+
+ if (ret1)
+ ret = ret1;
+ /* try the next one also if one errored */
+ }
+
+ return ret;
+}
+
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool notify)
+ struct net_device *dev, int link_id,
+ bool notify)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
wdev_lock(wdev);
- err = __cfg80211_stop_ap(rdev, dev, notify);
+ err = __cfg80211_stop_ap(rdev, dev, link_id, notify);
wdev_unlock(wdev);
return err;
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index f74f176e0d9d..efc2de4bab57 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -672,14 +672,21 @@ bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
* range of chandef.
*/
bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
- struct ieee80211_channel *chan)
+ struct ieee80211_channel *chan,
+ bool primary_only)
{
int width;
u32 freq;
+ if (!chandef->chan)
+ return false;
+
if (chandef->chan->center_freq == chan->center_freq)
return true;
+ if (primary_only)
+ return false;
+
width = cfg80211_chandef_get_width(chandef);
if (width <= 20)
return false;
@@ -704,23 +711,25 @@ bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev)
{
- bool active = false;
+ unsigned int link;
ASSERT_WDEV_LOCK(wdev);
- if (!wdev->chandef.chan)
- return false;
-
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- active = wdev->beacon_interval != 0;
+ for_each_valid_link(wdev, link) {
+ if (wdev->links[link].ap.beacon_interval)
+ return true;
+ }
break;
case NL80211_IFTYPE_ADHOC:
- active = wdev->ssid_len != 0;
+ if (wdev->u.ibss.ssid_len)
+ return true;
break;
case NL80211_IFTYPE_MESH_POINT:
- active = wdev->mesh_id_len != 0;
+ if (wdev->u.mesh.id_len)
+ return true;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_OCB:
@@ -737,7 +746,35 @@ bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev)
WARN_ON(1);
}
- return active;
+ return false;
+}
+
+bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ bool primary_only)
+{
+ unsigned int link;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ for_each_valid_link(wdev, link) {
+ if (cfg80211_is_sub_chan(&wdev->links[link].ap.chandef,
+ chan, primary_only))
+ return true;
+ }
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_is_sub_chan(&wdev->u.ibss.chandef, chan,
+ primary_only);
+ case NL80211_IFTYPE_MESH_POINT:
+ return cfg80211_is_sub_chan(&wdev->u.mesh.chandef, chan,
+ primary_only);
+ default:
+ break;
+ }
+
+ return false;
}
static bool cfg80211_is_wiphy_oper_chan(struct wiphy *wiphy,
@@ -752,7 +789,7 @@ static bool cfg80211_is_wiphy_oper_chan(struct wiphy *wiphy,
continue;
}
- if (cfg80211_is_sub_chan(&wdev->chandef, chan)) {
+ if (cfg80211_wdev_on_sub_chan(wdev, chan, false)) {
wdev_unlock(wdev);
return true;
}
@@ -772,7 +809,8 @@ cfg80211_offchan_chain_is_active(struct cfg80211_registered_device *rdev,
if (!cfg80211_chandef_valid(&rdev->background_radar_chandef))
return false;
- return cfg80211_is_sub_chan(&rdev->background_radar_chandef, channel);
+ return cfg80211_is_sub_chan(&rdev->background_radar_chandef, channel,
+ false);
}
bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
@@ -1176,6 +1214,68 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_chandef_usable);
+static bool cfg80211_ir_permissive_check_wdev(enum nl80211_iftype iftype,
+ struct wireless_dev *wdev,
+ struct ieee80211_channel *chan)
+{
+ struct ieee80211_channel *other_chan = NULL;
+ unsigned int link_id;
+ int r1, r2;
+
+ for_each_valid_link(wdev, link_id) {
+ if (wdev->iftype == NL80211_IFTYPE_STATION &&
+ wdev->links[link_id].client.current_bss)
+ other_chan = wdev->links[link_id].client.current_bss->pub.channel;
+
+ /*
+ * If a GO already operates on the same GO_CONCURRENT channel,
+ * this one (maybe the same one) can beacon as well. We allow
+ * the operation even if the station we relied on with
+ * GO_CONCURRENT is disconnected now. But then we must make sure
+ * we're not outdoor on an indoor-only channel.
+ */
+ if (iftype == NL80211_IFTYPE_P2P_GO &&
+ wdev->iftype == NL80211_IFTYPE_P2P_GO &&
+ wdev->links[link_id].ap.beacon_interval &&
+ !(chan->flags & IEEE80211_CHAN_INDOOR_ONLY))
+ other_chan = wdev->links[link_id].ap.chandef.chan;
+
+ if (!other_chan)
+ continue;
+
+ if (chan == other_chan)
+ return true;
+
+ if (chan->band != NL80211_BAND_5GHZ &&
+ chan->band != NL80211_BAND_6GHZ)
+ continue;
+
+ r1 = cfg80211_get_unii(chan->center_freq);
+ r2 = cfg80211_get_unii(other_chan->center_freq);
+
+ if (r1 != -EINVAL && r1 == r2) {
+ /*
+ * At some locations channels 149-165 are considered a
+ * bundle, but at other locations, e.g., Indonesia,
+ * channels 149-161 are considered a bundle while
+ * channel 165 is left out and considered to be in a
+ * different bundle. Thus, in case that there is a
+ * station interface connected to an AP on channel 165,
+ * it is assumed that channels 149-161 are allowed for
+ * GO operations. However, having a station interface
+ * connected to an AP on channels 149-161, does not
+ * allow GO operation on channel 165.
+ */
+ if (chan->center_freq == 5825 &&
+ other_chan->center_freq != 5825)
+ continue;
+ return true;
+ }
+ }
+
+ return false;
+}
+
/*
* Check if the channel can be used under permissive conditions mandated by
* some regulatory bodies, i.e., the channel is marked with
@@ -1219,59 +1319,14 @@ static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy,
* the current registered device.
*/
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
- struct ieee80211_channel *other_chan = NULL;
- int r1, r2;
+ bool ret;
wdev_lock(wdev);
- if (wdev->iftype == NL80211_IFTYPE_STATION &&
- wdev->current_bss)
- other_chan = wdev->current_bss->pub.channel;
-
- /*
- * If a GO already operates on the same GO_CONCURRENT channel,
- * this one (maybe the same one) can beacon as well. We allow
- * the operation even if the station we relied on with
- * GO_CONCURRENT is disconnected now. But then we must make sure
- * we're not outdoor on an indoor-only channel.
- */
- if (iftype == NL80211_IFTYPE_P2P_GO &&
- wdev->iftype == NL80211_IFTYPE_P2P_GO &&
- wdev->beacon_interval &&
- !(chan->flags & IEEE80211_CHAN_INDOOR_ONLY))
- other_chan = wdev->chandef.chan;
+ ret = cfg80211_ir_permissive_check_wdev(iftype, wdev, chan);
wdev_unlock(wdev);
- if (!other_chan)
- continue;
-
- if (chan == other_chan)
- return true;
-
- if (chan->band != NL80211_BAND_5GHZ &&
- chan->band != NL80211_BAND_6GHZ)
- continue;
-
- r1 = cfg80211_get_unii(chan->center_freq);
- r2 = cfg80211_get_unii(other_chan->center_freq);
-
- if (r1 != -EINVAL && r1 == r2) {
- /*
- * At some locations channels 149-165 are considered a
- * bundle, but at other locations, e.g., Indonesia,
- * channels 149-161 are considered a bundle while
- * channel 165 is left out and considered to be in a
- * different bundle. Thus, in case that there is a
- * station interface connected to an AP on channel 165,
- * it is assumed that channels 149-161 are allowed for
- * GO operations. However, having a station interface
- * connected to an AP on channels 149-161, does not
- * allow GO operation on channel 165.
- */
- if (chan->center_freq == 5825 &&
- other_chan->center_freq != 5825)
- continue;
- return true;
- }
+ if (ret)
+ return ret;
}
return false;
@@ -1374,3 +1429,24 @@ bool cfg80211_any_usable_channels(struct wiphy *wiphy,
return false;
}
EXPORT_SYMBOL(cfg80211_any_usable_channels);
+
+struct cfg80211_chan_def *wdev_chandef(struct wireless_dev *wdev,
+ unsigned int link_id)
+{
+ ASSERT_WDEV_LOCK(wdev);
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_MESH_POINT:
+ return &wdev->u.mesh.chandef;
+ case NL80211_IFTYPE_ADHOC:
+ return &wdev->u.ibss.chandef;
+ case NL80211_IFTYPE_OCB:
+ return &wdev->u.ocb.chandef;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ return &wdev->links[link_id].ap.chandef;
+ default:
+ return NULL;
+ }
+}
+EXPORT_SYMBOL(wdev_chandef);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f08d4b3bb148..3e5d12040726 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1118,6 +1118,7 @@ static void _cfg80211_unregister_wdev(struct wireless_dev *wdev,
bool unregister_netdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ unsigned int link_id;
ASSERT_RTNL();
lockdep_assert_held(&rdev->wiphy.mtx);
@@ -1167,11 +1168,22 @@ static void _cfg80211_unregister_wdev(struct wireless_dev *wdev,
*/
cfg80211_process_wdev_events(wdev);
- if (WARN_ON(wdev->current_bss)) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
+ if (wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) {
+ for (link_id = 0; link_id < ARRAY_SIZE(wdev->links); link_id++) {
+ struct cfg80211_internal_bss *curbss;
+
+ curbss = wdev->links[link_id].client.current_bss;
+
+ if (WARN_ON(curbss)) {
+ cfg80211_unhold_bss(curbss);
+ cfg80211_put_bss(wdev->wiphy, &curbss->pub);
+ wdev->links[link_id].client.current_bss = NULL;
+ }
+ }
}
+
+ wdev->connected = false;
}
void cfg80211_unregister_wdev(struct wireless_dev *wdev)
@@ -1233,7 +1245,7 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, dev, true);
+ __cfg80211_stop_ap(rdev, dev, -1, true);
break;
case NL80211_IFTYPE_OCB:
__cfg80211_leave_ocb(rdev, dev);
@@ -1463,9 +1475,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
memcpy(&setup, &default_mesh_setup,
sizeof(setup));
/* back compat only needed for mesh_id */
- setup.mesh_id = wdev->ssid;
- setup.mesh_id_len = wdev->mesh_id_up_len;
- if (wdev->mesh_id_up_len)
+ setup.mesh_id = wdev->u.mesh.id;
+ setup.mesh_id_len = wdev->u.mesh.id_up_len;
+ if (wdev->u.mesh.id_up_len)
__cfg80211_join_mesh(rdev, dev,
&setup,
&default_mesh_config);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 5436ada91b1a..2c195067ddff 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -307,6 +307,7 @@ void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
unsigned long age_secs);
void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
+ unsigned int link,
struct ieee80211_channel *channel);
/* IBSS */
@@ -353,9 +354,11 @@ int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
/* AP */
int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool notify);
+ struct net_device *dev, int link,
+ bool notify);
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool notify);
+ struct net_device *dev, int link,
+ bool notify);
/* MLME */
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
@@ -507,7 +510,11 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
- struct ieee80211_channel *chan);
+ struct ieee80211_channel *chan,
+ bool primary_only);
+bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ bool primary_only);
static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
{
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 5d89eec2869a..4935f94d1acc 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -28,7 +28,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return;
- if (!wdev->ssid_len)
+ if (!wdev->u.ibss.ssid_len)
return;
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0,
@@ -37,13 +37,13 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
if (WARN_ON(!bss))
return;
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
+ if (wdev->u.ibss.current_bss) {
+ cfg80211_unhold_bss(wdev->u.ibss.current_bss);
+ cfg80211_put_bss(wdev->wiphy, &wdev->u.ibss.current_bss->pub);
}
cfg80211_hold_bss(bss_from_pub(bss));
- wdev->current_bss = bss_from_pub(bss);
+ wdev->u.ibss.current_bss = bss_from_pub(bss);
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
@@ -96,7 +96,7 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
lockdep_assert_held(&rdev->wiphy.mtx);
ASSERT_WDEV_LOCK(wdev);
- if (wdev->ssid_len)
+ if (wdev->u.ibss.ssid_len)
return -EALREADY;
if (!params->basic_rates) {
@@ -131,7 +131,7 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = connkeys;
- wdev->chandef = params->chandef;
+ wdev->u.ibss.chandef = params->chandef;
if (connkeys) {
params->wep_keys = connkeys->params;
params->wep_tx_key = connkeys->def;
@@ -146,8 +146,8 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
return err;
}
- memcpy(wdev->ssid, params->ssid, params->ssid_len);
- wdev->ssid_len = params->ssid_len;
+ memcpy(wdev->u.ibss.ssid, params->ssid, params->ssid_len);
+ wdev->u.ibss.ssid_len = params->ssid_len;
return 0;
}
@@ -173,14 +173,14 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
for (i = 0; i < 6; i++)
rdev_del_key(rdev, dev, i, false, NULL);
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
+ if (wdev->u.ibss.current_bss) {
+ cfg80211_unhold_bss(wdev->u.ibss.current_bss);
+ cfg80211_put_bss(wdev->wiphy, &wdev->u.ibss.current_bss->pub);
}
- wdev->current_bss = NULL;
- wdev->ssid_len = 0;
- memset(&wdev->chandef, 0, sizeof(wdev->chandef));
+ wdev->u.ibss.current_bss = NULL;
+ wdev->u.ibss.ssid_len = 0;
+ memset(&wdev->u.ibss.chandef, 0, sizeof(wdev->u.ibss.chandef));
#ifdef CONFIG_CFG80211_WEXT
if (!nowext)
wdev->wext.ibss.ssid_len = 0;
@@ -205,7 +205,7 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
- if (!wdev->ssid_len)
+ if (!wdev->u.ibss.ssid_len)
return -ENOLINK;
err = rdev_leave_ibss(rdev, dev);
@@ -339,7 +339,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
wdev_lock(wdev);
err = 0;
- if (wdev->ssid_len)
+ if (wdev->u.ibss.ssid_len)
err = __cfg80211_leave_ibss(rdev, dev, true);
wdev_unlock(wdev);
@@ -374,8 +374,8 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
return -EINVAL;
wdev_lock(wdev);
- if (wdev->current_bss)
- chan = wdev->current_bss->pub.channel;
+ if (wdev->u.ibss.current_bss)
+ chan = wdev->u.ibss.current_bss->pub.channel;
else if (wdev->wext.ibss.chandef.chan)
chan = wdev->wext.ibss.chandef.chan;
wdev_unlock(wdev);
@@ -408,7 +408,7 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
wdev_lock(wdev);
err = 0;
- if (wdev->ssid_len)
+ if (wdev->u.ibss.ssid_len)
err = __cfg80211_leave_ibss(rdev, dev, true);
wdev_unlock(wdev);
@@ -419,8 +419,8 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
- memcpy(wdev->ssid, ssid, len);
- wdev->wext.ibss.ssid = wdev->ssid;
+ memcpy(wdev->u.ibss.ssid, ssid, len);
+ wdev->wext.ibss.ssid = wdev->u.ibss.ssid;
wdev->wext.ibss.ssid_len = len;
wdev_lock(wdev);
@@ -443,10 +443,10 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->flags = 0;
wdev_lock(wdev);
- if (wdev->ssid_len) {
+ if (wdev->u.ibss.ssid_len) {
data->flags = 1;
- data->length = wdev->ssid_len;
- memcpy(ssid, wdev->ssid, data->length);
+ data->length = wdev->u.ibss.ssid_len;
+ memcpy(ssid, wdev->u.ibss.ssid, data->length);
} else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) {
data->flags = 1;
data->length = wdev->wext.ibss.ssid_len;
@@ -494,7 +494,7 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
wdev_lock(wdev);
err = 0;
- if (wdev->ssid_len)
+ if (wdev->u.ibss.ssid_len)
err = __cfg80211_leave_ibss(rdev, dev, true);
wdev_unlock(wdev);
@@ -527,8 +527,9 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
wdev_lock(wdev);
- if (wdev->current_bss)
- memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
+ if (wdev->u.ibss.current_bss)
+ memcpy(ap_addr->sa_data, wdev->u.ibss.current_bss->pub.bssid,
+ ETH_ALEN);
else if (wdev->wext.ibss.bssid)
memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
else
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index e4e363138279..59a3c5c092b1 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,4 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
+/*
+ * Portions
+ * Copyright (C) 2022 Intel Corporation
+ */
#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/cfg80211.h>
@@ -114,7 +118,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
setup->is_secure)
return -EOPNOTSUPP;
- if (wdev->mesh_id_len)
+ if (wdev->u.mesh.id_len)
return -EALREADY;
if (!setup->mesh_id_len)
@@ -125,7 +129,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
if (!setup->chandef.chan) {
/* if no channel explicitly given, use preset channel */
- setup->chandef = wdev->preset_chandef;
+ setup->chandef = wdev->u.mesh.preset_chandef;
}
if (!setup->chandef.chan) {
@@ -209,10 +213,10 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
err = rdev_join_mesh(rdev, dev, conf, setup);
if (!err) {
- memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
- wdev->mesh_id_len = setup->mesh_id_len;
- wdev->chandef = setup->chandef;
- wdev->beacon_interval = setup->beacon_interval;
+ memcpy(wdev->u.mesh.id, setup->mesh_id, setup->mesh_id_len);
+ wdev->u.mesh.id_len = setup->mesh_id_len;
+ wdev->u.mesh.chandef = setup->chandef;
+ wdev->u.mesh.beacon_interval = setup->beacon_interval;
}
return err;
@@ -241,15 +245,15 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
err = rdev_libertas_set_mesh_channel(rdev, wdev->netdev,
chandef->chan);
if (!err)
- wdev->chandef = *chandef;
+ wdev->u.mesh.chandef = *chandef;
return err;
}
- if (wdev->mesh_id_len)
+ if (wdev->u.mesh.id_len)
return -EBUSY;
- wdev->preset_chandef = *chandef;
+ wdev->u.mesh.preset_chandef = *chandef;
return 0;
}
@@ -267,15 +271,16 @@ int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
if (!rdev->ops->leave_mesh)
return -EOPNOTSUPP;
- if (!wdev->mesh_id_len)
+ if (!wdev->u.mesh.id_len)
return -ENOTCONN;
err = rdev_leave_mesh(rdev, dev);
if (!err) {
wdev->conn_owner_nlportid = 0;
- wdev->mesh_id_len = 0;
- wdev->beacon_interval = 0;
- memset(&wdev->chandef, 0, sizeof(wdev->chandef));
+ wdev->u.mesh.id_len = 0;
+ wdev->u.mesh.beacon_interval = 0;
+ memset(&wdev->u.mesh.chandef, 0,
+ sizeof(wdev->u.mesh.chandef));
rdev_set_qos_map(rdev, dev, NULL);
cfg80211_sched_dfs_chan_update(rdev);
}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index c8155a483ec2..fab2d6206cdd 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -92,8 +92,7 @@ static void cfg80211_process_deauth(struct wireless_dev *wdev,
nl80211_send_deauth(rdev, wdev->netdev, buf, len, reconnect, GFP_KERNEL);
- if (!wdev->current_bss ||
- !ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
+ if (!wdev->connected || !ether_addr_equal(wdev->u.client.connected_addr, bssid))
return;
__cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
@@ -113,8 +112,8 @@ static void cfg80211_process_disassoc(struct wireless_dev *wdev,
nl80211_send_disassoc(rdev, wdev->netdev, buf, len, reconnect,
GFP_KERNEL);
- if (WARN_ON(!wdev->current_bss ||
- !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ if (WARN_ON(!wdev->connected ||
+ !ether_addr_equal(wdev->u.client.connected_addr, bssid)))
return;
__cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
@@ -260,8 +259,8 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
if (!key || !key_len || key_idx < 0 || key_idx > 3)
return -EINVAL;
- if (wdev->current_bss &&
- ether_addr_equal(bssid, wdev->current_bss->pub.bssid))
+ if (wdev->connected &&
+ ether_addr_equal(bssid, wdev->u.client.connected_addr))
return -EALREADY;
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
@@ -322,9 +321,9 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
- if (wdev->current_bss &&
- (!req->prev_bssid || !ether_addr_equal(wdev->current_bss->pub.bssid,
- req->prev_bssid)))
+ if (wdev->connected &&
+ (!req->prev_bssid ||
+ !ether_addr_equal(wdev->u.client.connected_addr, req->prev_bssid)))
return -EALREADY;
cfg80211_oper_and_ht_capa(&req->ht_capa_mask,
@@ -364,13 +363,13 @@ int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
if (local_state_change &&
- (!wdev->current_bss ||
- !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ (!wdev->connected ||
+ !ether_addr_equal(wdev->u.client.connected_addr, bssid)))
return 0;
if (ether_addr_equal(wdev->disconnect_bssid, bssid) ||
- (wdev->current_bss &&
- ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ (wdev->connected &&
+ ether_addr_equal(wdev->u.client.connected_addr, bssid)))
wdev->conn_owner_nlportid = 0;
return rdev_deauth(rdev, dev, &req);
@@ -392,11 +391,12 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
- if (!wdev->current_bss)
+ if (!wdev->connected)
return -ENOTCONN;
- if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
- req.bss = &wdev->current_bss->pub;
+ if (ether_addr_equal(wdev->links[0].client.current_bss->pub.bssid,
+ bssid))
+ req.bss = &wdev->links[0].client.current_bss->pub;
else
return -ENOTCONN;
@@ -405,7 +405,7 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
return err;
/* driver should have reported the disassoc */
- WARN_ON(wdev->current_bss);
+ WARN_ON(wdev->connected);
return 0;
}
@@ -420,10 +420,10 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
if (!rdev->ops->deauth)
return;
- if (!wdev->current_bss)
+ if (!wdev->connected)
return;
- memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
+ memcpy(bssid, wdev->u.client.connected_addr, ETH_ALEN);
cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
WLAN_REASON_DEAUTH_LEAVING, false);
}
@@ -676,28 +676,34 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
+ /*
+ * check for IBSS DA must be done by driver as
+ * cfg80211 doesn't track the stations
+ */
+ if (!wdev->u.ibss.current_bss ||
+ !ether_addr_equal(wdev->u.ibss.current_bss->pub.bssid,
+ mgmt->bssid)) {
+ err = -ENOTCONN;
+ break;
+ }
+ break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- if (!wdev->current_bss) {
+ if (!wdev->connected) {
err = -ENOTCONN;
break;
}
- if (!ether_addr_equal(wdev->current_bss->pub.bssid,
+ /* FIXME: MLD may address this differently */
+
+ if (!ether_addr_equal(wdev->u.client.connected_addr,
mgmt->bssid)) {
err = -ENOTCONN;
break;
}
- /*
- * check for IBSS DA must be done by driver as
- * cfg80211 doesn't track the stations
- */
- if (wdev->iftype == NL80211_IFTYPE_ADHOC)
- break;
-
/* for station, check that DA is the AP */
- if (!ether_addr_equal(wdev->current_bss->pub.bssid,
+ if (!ether_addr_equal(wdev->u.client.connected_addr,
mgmt->da)) {
err = -ENOTCONN;
break;
@@ -743,12 +749,12 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
if (!ieee80211_is_action(mgmt->frame_control) ||
mgmt->u.action.category != WLAN_CATEGORY_PUBLIC)
return -EINVAL;
- if (!wdev->current_bss &&
+ if (!wdev->connected &&
!wiphy_ext_feature_isset(
&rdev->wiphy,
NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
return -EINVAL;
- if (wdev->current_bss &&
+ if (wdev->connected &&
!wiphy_ext_feature_isset(
&rdev->wiphy,
NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
@@ -940,12 +946,16 @@ void cfg80211_cac_event(struct net_device *netdev,
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
unsigned long timeout;
+ /* not yet supported */
+ if (wdev->valid_links)
+ return;
+
trace_cfg80211_cac_event(netdev, event);
if (WARN_ON(!wdev->cac_started && event != NL80211_RADAR_CAC_STARTED))
return;
- if (WARN_ON(!wdev->chandef.chan))
+ if (WARN_ON(!wdev->links[0].ap.chandef.chan))
return;
switch (event) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 740b29481bc6..af31978fc9cc 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -792,6 +792,10 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
NL80211_EHT_MIN_CAPABILITY_LEN,
NL80211_EHT_MAX_CAPABILITY_LEN),
[NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_MLO_LINKS] =
+ NLA_POLICY_NESTED_ARRAY(nl80211_policy),
+ [NL80211_ATTR_MLO_LINK_ID] =
+ NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
};
/* policy for the key attributes */
@@ -1225,6 +1229,37 @@ static bool nl80211_put_txq_stats(struct sk_buff *msg,
/* netlink command implementations */
+/**
+ * nl80211_link_id - return link ID
+ * @attrs: attributes to look at
+ *
+ * Returns: the link ID or 0 if not given
+ *
+ * Note this function doesn't do any validation of the link
+ * ID validity wrt. links that were actually added, so it must
+ * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
+ * or if additional validation is done.
+ */
+static unsigned int nl80211_link_id(struct nlattr **attrs)
+{
+ struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
+
+ if (!linkid)
+ return 0;
+
+ return nla_get_u8(linkid);
+}
+
+static int nl80211_link_id_or_invalid(struct nlattr **attrs)
+{
+ struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
+
+ if (!linkid)
+ return -1;
+
+ return nla_get_u8(linkid);
+}
+
struct key_parse {
struct key_params p;
int idx;
@@ -1496,11 +1531,15 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
case NL80211_IFTYPE_MESH_POINT:
break;
case NL80211_IFTYPE_ADHOC:
+ if (wdev->u.ibss.current_bss)
+ return 0;
+ return -ENOLINK;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- if (!wdev->current_bss)
- return -ENOLINK;
- break;
+ /* for MLO, require driver validation of the link ID */
+ if (wdev->connected)
+ return 0;
+ return -ENOLINK;
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_OCB:
case NL80211_IFTYPE_MONITOR:
@@ -3232,12 +3271,14 @@ int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- struct genl_info *info)
+ struct genl_info *info,
+ int _link_id)
{
struct cfg80211_chan_def chandef;
int result;
enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
struct wireless_dev *wdev = NULL;
+ int link_id = _link_id;
if (dev)
wdev = dev->ieee80211_ptr;
@@ -3246,6 +3287,12 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
if (wdev)
iftype = wdev->iftype;
+ if (link_id < 0) {
+ if (wdev && wdev->valid_links)
+ return -EINVAL;
+ link_id = 0;
+ }
+
result = nl80211_parse_chandef(rdev, info, &chandef);
if (result)
return result;
@@ -3254,49 +3301,48 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
- iftype)) {
- result = -EINVAL;
- break;
- }
- if (wdev->beacon_interval) {
+ iftype))
+ return -EINVAL;
+ if (wdev->links[link_id].ap.beacon_interval) {
+ struct ieee80211_channel *cur_chan;
+
if (!dev || !rdev->ops->set_ap_chanwidth ||
!(rdev->wiphy.features &
- NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
- result = -EBUSY;
- break;
- }
+ NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
+ return -EBUSY;
/* Only allow dynamic channel width changes */
- if (chandef.chan != wdev->preset_chandef.chan) {
- result = -EBUSY;
- break;
- }
- result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
+ cur_chan = wdev->links[link_id].ap.chandef.chan;
+ if (chandef.chan != cur_chan)
+ return -EBUSY;
+
+ result = rdev_set_ap_chanwidth(rdev, dev, link_id,
+ &chandef);
if (result)
- break;
+ return result;
+ wdev->links[link_id].ap.chandef = chandef;
+ } else {
+ wdev->u.ap.preset_chandef = chandef;
}
- wdev->preset_chandef = chandef;
- result = 0;
- break;
+ return 0;
case NL80211_IFTYPE_MESH_POINT:
- result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
- break;
+ return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
case NL80211_IFTYPE_MONITOR:
- result = cfg80211_set_monitor_channel(rdev, &chandef);
- break;
+ return cfg80211_set_monitor_channel(rdev, &chandef);
default:
- result = -EINVAL;
+ break;
}
- return result;
+ return -EINVAL;
}
static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int link_id = nl80211_link_id_or_invalid(info->attrs);
struct net_device *netdev = info->user_ptr[1];
- return __nl80211_set_channel(rdev, netdev, info);
+ return __nl80211_set_channel(rdev, netdev, info, link_id);
}
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
@@ -3411,7 +3457,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = __nl80211_set_channel(
rdev,
nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
- info);
+ info, -1);
if (result)
goto out;
}
@@ -3696,15 +3742,13 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
goto nla_put_failure;
- if (rdev->ops->get_channel) {
- int ret;
+ if (rdev->ops->get_channel && !wdev->valid_links) {
struct cfg80211_chan_def chandef = {};
+ int ret;
- ret = rdev_get_channel(rdev, wdev, &chandef);
- if (ret == 0) {
- if (nl80211_send_chandef(msg, &chandef))
- goto nla_put_failure;
- }
+ ret = rdev_get_channel(rdev, wdev, 0, &chandef);
+ if (ret == 0 && nl80211_send_chandef(msg, &chandef))
+ goto nla_put_failure;
}
if (rdev->ops->get_tx_power) {
@@ -3721,27 +3765,24 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- if (wdev->ssid_len &&
- nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
+ if (wdev->u.ap.ssid_len &&
+ nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
+ wdev->u.ap.ssid))
goto nla_put_failure_locked;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- case NL80211_IFTYPE_ADHOC: {
- const struct element *ssid_elem;
-
- if (!wdev->current_bss)
- break;
- rcu_read_lock();
- ssid_elem = ieee80211_bss_get_elem(&wdev->current_bss->pub,
- WLAN_EID_SSID);
- if (ssid_elem &&
- nla_put(msg, NL80211_ATTR_SSID, ssid_elem->datalen,
- ssid_elem->data))
- goto nla_put_failure_rcu_locked;
- rcu_read_unlock();
+ if (wdev->u.client.ssid_len &&
+ nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
+ wdev->u.client.ssid))
+ goto nla_put_failure_locked;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (wdev->u.ibss.ssid_len &&
+ nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
+ wdev->u.ibss.ssid))
+ goto nla_put_failure_locked;
break;
- }
default:
/* nothing */
break;
@@ -3761,8 +3802,6 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
genlmsg_end(msg, hdr);
return 0;
- nla_put_failure_rcu_locked:
- rcu_read_unlock();
nla_put_failure_locked:
wdev_unlock(wdev);
nla_put_failure:
@@ -4014,10 +4053,11 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
- wdev->mesh_id_up_len =
+ wdev->u.mesh.id_up_len =
nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
- memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
- wdev->mesh_id_up_len);
+ memcpy(wdev->u.mesh.id,
+ nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->u.mesh.id_up_len);
wdev_unlock(wdev);
}
@@ -4122,10 +4162,11 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
- wdev->mesh_id_up_len =
+ wdev->u.mesh.id_up_len =
nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
- memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
- wdev->mesh_id_up_len);
+ memcpy(wdev->u.mesh.id,
+ nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->u.mesh.id_up_len);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_NAN:
@@ -4662,7 +4703,7 @@ static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- if (!dev->ieee80211_ptr->beacon_interval)
+ if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
return -EINVAL;
acl = parse_acl_data(&rdev->wiphy, info);
@@ -4818,14 +4859,24 @@ static void he_build_mcs_mask(u16 he_mcs_map,
}
}
-static u16 he_get_txmcsmap(struct genl_info *info,
+static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
const struct ieee80211_sta_he_cap *he_cap)
{
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
- __le16 tx_mcs;
+ struct cfg80211_chan_def *chandef;
+ __le16 tx_mcs;
- switch (wdev->chandef.width) {
+ chandef = wdev_chandef(wdev, link_id);
+ if (!chandef) {
+ /*
+ * This is probably broken, but we never maintained
+ * a chandef in these cases, so it always was.
+ */
+ return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
+ }
+
+ switch (chandef->width) {
case NL80211_CHAN_WIDTH_80P80:
tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
break;
@@ -4836,6 +4887,7 @@ static u16 he_get_txmcsmap(struct genl_info *info,
tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
break;
}
+
return le16_to_cpu(tx_mcs);
}
@@ -4843,7 +4895,8 @@ static bool he_set_mcs_mask(struct genl_info *info,
struct wireless_dev *wdev,
struct ieee80211_supported_band *sband,
struct nl80211_txrate_he *txrate,
- u16 mcs[NL80211_HE_NSS_MAX])
+ u16 mcs[NL80211_HE_NSS_MAX],
+ unsigned int link_id)
{
const struct ieee80211_sta_he_cap *he_cap;
u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
@@ -4856,7 +4909,7 @@ static bool he_set_mcs_mask(struct genl_info *info,
memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
- tx_mcs_map = he_get_txmcsmap(info, he_cap);
+ tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
/* Build he_mcs_mask from HE capabilities */
he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
@@ -4876,7 +4929,8 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
enum nl80211_attrs attr,
struct cfg80211_bitrate_mask *mask,
struct net_device *dev,
- bool default_all_enabled)
+ bool default_all_enabled,
+ unsigned int link_id)
{
struct nlattr *tb[NL80211_TXRATE_MAX + 1];
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -4913,7 +4967,7 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
if (!he_cap)
continue;
- he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
+ he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
mask->control[i].he_gi = 0xFF;
@@ -4978,7 +5032,8 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
if (tb[NL80211_TXRATE_HE] &&
!he_set_mcs_mask(info, wdev, sband,
nla_data(tb[NL80211_TXRATE_HE]),
- mask->control[band].he_mcs))
+ mask->control[band].he_mcs,
+ link_id))
return -EINVAL;
if (tb[NL80211_TXRATE_HE_GI])
@@ -5215,6 +5270,8 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
memset(bcn, 0, sizeof(*bcn));
+ bcn->link_id = nl80211_link_id(attrs);
+
if (attrs[NL80211_ATTR_BEACON_HEAD]) {
bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
@@ -5468,22 +5525,20 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
struct cfg80211_ap_settings *params)
{
struct wireless_dev *wdev;
- bool ret = false;
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
if (wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)
continue;
- if (!wdev->preset_chandef.chan)
+ if (!wdev->u.ap.preset_chandef.chan)
continue;
- params->chandef = wdev->preset_chandef;
- ret = true;
- break;
+ params->chandef = wdev->u.ap.preset_chandef;
+ return true;
}
- return ret;
+ return false;
}
static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
@@ -5541,6 +5596,7 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_ap_settings *params;
@@ -5553,7 +5609,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->start_ap)
return -EOPNOTSUPP;
- if (wdev->beacon_interval)
+ if (wdev->links[link_id].ap.beacon_interval)
return -EALREADY;
/* these are required for START_AP */
@@ -5595,6 +5651,18 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = -EINVAL;
goto out;
}
+
+ if (wdev->u.ap.ssid_len &&
+ (wdev->u.ap.ssid_len != params->ssid_len ||
+ memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
+ /* require identical SSID for MLO */
+ err = -EINVAL;
+ goto out;
+ }
+ } else if (wdev->valid_links) {
+ /* require SSID for MLO */
+ err = -EINVAL;
+ goto out;
}
if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
@@ -5662,8 +5730,12 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_chandef(rdev, info, &params->chandef);
if (err)
goto out;
- } else if (wdev->preset_chandef.chan) {
- params->chandef = wdev->preset_chandef;
+ } else if (wdev->valid_links) {
+ /* with MLD need to specify the channel configuration */
+ err = -EINVAL;
+ goto out;
+ } else if (wdev->u.ap.preset_chandef.chan) {
+ params->chandef = wdev->u.ap.preset_chandef;
} else if (!nl80211_get_ap_channel(rdev, params)) {
err = -EINVAL;
goto out;
@@ -5679,7 +5751,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
&params->beacon_rate,
- dev, false);
+ dev, false, link_id);
if (err)
goto out;
@@ -5779,19 +5851,28 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
wdev_lock(wdev);
+ if (wdev->conn_owner_nlportid &&
+ info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
+ wdev->conn_owner_nlportid != info->snd_portid) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
+ /* FIXME: validate MLO/link-id against driver capabilities */
+
err = rdev_start_ap(rdev, dev, params);
if (!err) {
- wdev->preset_chandef = params->chandef;
- wdev->beacon_interval = params->beacon_interval;
- wdev->chandef = params->chandef;
- wdev->ssid_len = params->ssid_len;
- memcpy(wdev->ssid, params->ssid, wdev->ssid_len);
+ wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
+ wdev->links[link_id].ap.chandef = params->chandef;
+ wdev->u.ap.ssid_len = params->ssid_len;
+ memcpy(wdev->u.ap.ssid, params->ssid,
+ params->ssid_len);
if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
wdev->conn_owner_nlportid = info->snd_portid;
}
+out_unlock:
wdev_unlock(wdev);
-
out:
kfree(params->acl);
kfree(params->beacon.mbssid_ies);
@@ -5807,6 +5888,7 @@ out:
static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_beacon_data params;
@@ -5819,7 +5901,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->change_beacon)
return -EOPNOTSUPP;
- if (!wdev->beacon_interval)
+ if (!wdev->links[link_id].ap.beacon_interval)
return -EINVAL;
err = nl80211_parse_beacon(rdev, info->attrs, &params);
@@ -5838,9 +5920,10 @@ out:
static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
- return cfg80211_stop_ap(rdev, dev, false);
+ return cfg80211_stop_ap(rdev, dev, link_id, false);
}
static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
@@ -7590,7 +7673,7 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
wdev_lock(wdev);
/* If not connected, get default parameters */
- if (!wdev->mesh_id_len)
+ if (!wdev->u.mesh.id_len)
memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
else
err = rdev_get_mesh_config(rdev, dev, &cur_params);
@@ -7971,7 +8054,7 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
return err;
wdev_lock(wdev);
- if (!wdev->mesh_id_len)
+ if (!wdev->u.mesh.id_len)
err = -ENOLINK;
if (!err)
@@ -8463,14 +8546,44 @@ int nl80211_parse_random_mac(struct nlattr **attrs,
return 0;
}
-static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
+static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
+ struct ieee80211_channel *chan)
{
+ unsigned int link_id;
+ bool all_ok = true;
+
ASSERT_WDEV_LOCK(wdev);
if (!cfg80211_beaconing_iface_active(wdev))
return true;
- if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
+ /*
+ * FIXME: check if we have a free HW resource/link for chan
+ *
+ * This, as well as the FIXME below, requires knowing the link
+ * capabilities of the hardware.
+ */
+
+ /* we cannot leave radar channels */
+ for_each_valid_link(wdev, link_id) {
+ struct cfg80211_chan_def *chandef;
+
+ chandef = wdev_chandef(wdev, link_id);
+ if (!chandef)
+ continue;
+
+ /*
+ * FIXME: don't require all_ok, but rather check only the
+ * correct HW resource/link onto which 'chan' falls,
+ * as only that link leaves the channel for doing
+ * the off-channel operation.
+ */
+
+ if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
+ all_ok = false;
+ }
+
+ if (all_ok)
return true;
return regulatory_pre_cac_allowed(wdev->wiphy);
@@ -8553,7 +8666,7 @@ nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
int err;
if (!(wiphy->features & randomness_flag) ||
- (wdev && wdev->current_bss))
+ (wdev && wdev->connected))
return -EOPNOTSUPP;
err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
@@ -8690,17 +8803,14 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->n_channels = i;
wdev_lock(wdev);
- if (!cfg80211_off_channel_oper_allowed(wdev)) {
- struct ieee80211_channel *chan;
+ for (i = 0; i < request->n_channels; i++) {
+ struct ieee80211_channel *chan = request->channels[i];
- if (request->n_channels != 1) {
- wdev_unlock(wdev);
- err = -EBUSY;
- goto out_free;
- }
+ /* if we can go off-channel to the target channel we're good */
+ if (cfg80211_off_channel_oper_allowed(wdev, chan))
+ continue;
- chan = request->channels[0];
- if (chan->center_freq != wdev->chandef.chan->center_freq) {
+ if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
wdev_unlock(wdev);
err = -EBUSY;
goto out_free;
@@ -9445,7 +9555,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
if (!err) {
- wdev->chandef = chandef;
+ wdev->links[0].ap.chandef = chandef;
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
wdev->cac_time_ms = cac_time_ms;
@@ -9513,6 +9623,7 @@ static int nl80211_notify_radar_detection(struct sk_buff *skb,
static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_csa_settings params;
@@ -9539,15 +9650,15 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
need_handle_dfs_flag = false;
/* useless if AP is not running */
- if (!wdev->beacon_interval)
+ if (!wdev->links[link_id].ap.beacon_interval)
return -ENOTCONN;
break;
case NL80211_IFTYPE_ADHOC:
- if (!wdev->ssid_len)
+ if (!wdev->u.ibss.ssid_len)
return -ENOTCONN;
break;
case NL80211_IFTYPE_MESH_POINT:
- if (!wdev->mesh_id_len)
+ if (!wdev->u.mesh.id_len)
return -ENOTCONN;
break;
default:
@@ -9718,6 +9829,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
{
struct cfg80211_bss *res = &intbss->pub;
const struct cfg80211_bss_ies *ies;
+ unsigned int link_id;
void *hdr;
struct nlattr *bss;
@@ -9822,13 +9934,15 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- if (intbss == wdev->current_bss &&
- nla_put_u32(msg, NL80211_BSS_STATUS,
- NL80211_BSS_STATUS_ASSOCIATED))
- goto nla_put_failure;
+ for_each_valid_link(wdev, link_id) {
+ if (intbss == wdev->links[link_id].client.current_bss &&
+ nla_put_u32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_ASSOCIATED))
+ goto nla_put_failure;
+ }
break;
case NL80211_IFTYPE_ADHOC:
- if (intbss == wdev->current_bss &&
+ if (intbss == wdev->u.ibss.current_bss &&
nla_put_u32(msg, NL80211_BSS_STATUS,
NL80211_BSS_STATUS_IBSS_JOINED))
goto nla_put_failure;
@@ -11362,7 +11476,7 @@ static int nl80211_update_connect_params(struct sk_buff *skb,
}
wdev_lock(dev->ieee80211_ptr);
- if (!wdev->current_bss)
+ if (!wdev->connected)
ret = -ENOLINK;
else
ret = rdev_update_connect_params(rdev, dev, &connect, changed);
@@ -11575,9 +11689,9 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct wireless_dev *wdev = info->user_ptr[1];
struct cfg80211_chan_def chandef;
- const struct cfg80211_chan_def *compat_chandef;
struct sk_buff *msg;
void *hdr;
u64 cookie;
@@ -11607,10 +11721,22 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
return err;
wdev_lock(wdev);
- if (!cfg80211_off_channel_oper_allowed(wdev) &&
- !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
- compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
- &chandef);
+ if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
+ const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
+
+ oper_chandef = wdev_chandef(wdev, link_id);
+
+ if (WARN_ON(!oper_chandef)) {
+ /* cannot happen since we must beacon to get here */
+ WARN_ON(1);
+ wdev_unlock(wdev);
+ return -EBUSY;
+ }
+
+ /* note: returns first one if identical chandefs */
+ compat_chandef = cfg80211_chandef_compatible(&chandef,
+ oper_chandef);
+
if (compat_chandef != &chandef) {
wdev_unlock(wdev);
return -EBUSY;
@@ -11672,6 +11798,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_bitrate_mask mask;
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -11683,11 +11810,11 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
wdev_lock(wdev);
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES, &mask,
- dev, true);
+ dev, true, link_id);
if (err)
goto out;
- err = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
+ err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
out:
wdev_unlock(wdev);
return err;
@@ -11812,7 +11939,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
wdev_lock(wdev);
- if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
+ if (params.offchan &&
+ !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
wdev_unlock(wdev);
return -EBUSY;
}
@@ -12030,12 +12158,13 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
* connection is established and enough beacons received to calculate
* the average.
*/
- if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
+ if (!wdev->cqm_config->last_rssi_event_value &&
+ wdev->links[0].client.current_bss &&
rdev->ops->get_station) {
struct station_info sinfo = {};
u8 *mac_addr;
- mac_addr = wdev->current_bss->pub.bssid;
+ mac_addr = wdev->links[0].client.current_bss->pub.bssid;
err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
if (err)
@@ -12298,7 +12427,7 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
&setup.beacon_rate,
- dev, false);
+ dev, false, 0);
if (err)
return err;
@@ -13268,7 +13397,7 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
wdev_lock(wdev);
- if (!wdev->current_bss) {
+ if (!wdev->connected) {
err = -ENOTCONN;
goto out;
}
@@ -14537,7 +14666,7 @@ static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- if (wdev->current_bss)
+ if (wdev->connected)
break;
err = -ENOTCONN;
goto out;
@@ -14710,13 +14839,13 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
wdev_lock(wdev);
- if (!wdev->current_bss) {
+ if (!wdev->connected) {
ret = -ENOTCONN;
goto out;
}
pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
+ if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
ret = -EINVAL;
goto out;
}
@@ -14844,9 +14973,13 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_MESH_POINT:
break;
case NL80211_IFTYPE_ADHOC:
+ if (wdev->u.ibss.current_bss)
+ break;
+ err = -ENOTCONN;
+ goto out;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- if (wdev->current_bss)
+ if (wdev->connected)
break;
err = -ENOTCONN;
goto out;
@@ -14882,12 +15015,14 @@ static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_ftm_responder_stats ftm_stats = {};
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct sk_buff *msg;
void *hdr;
struct nlattr *ftm_stats_attr;
int err;
- if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
+ if (wdev->iftype != NL80211_IFTYPE_AP ||
+ !wdev->links[link_id].ap.beacon_interval)
return -EOPNOTSUPP;
err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
@@ -15017,7 +15152,8 @@ static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
static int parse_tid_conf(struct cfg80211_registered_device *rdev,
struct nlattr *attrs[], struct net_device *dev,
struct cfg80211_tid_cfg *tid_conf,
- struct genl_info *info, const u8 *peer)
+ struct genl_info *info, const u8 *peer,
+ unsigned int link_id)
{
struct netlink_ext_ack *extack = info->extack;
u64 mask;
@@ -15092,7 +15228,7 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
&tid_conf->txrate_mask, dev,
- true);
+ true, link_id);
if (err)
return err;
@@ -15119,6 +15255,7 @@ static int nl80211_set_tid_config(struct sk_buff *skb,
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
+ unsigned int link_id = nl80211_link_id(info->attrs);
struct net_device *dev = info->user_ptr[1];
struct cfg80211_tid_config *tid_config;
struct nlattr *tid;
@@ -15156,7 +15293,7 @@ static int nl80211_set_tid_config(struct sk_buff *skb,
ret = parse_tid_conf(rdev, attrs, dev,
&tid_config->tid_conf[conf_idx],
- info, tid_config->peer);
+ info, tid_config->peer, link_id);
if (ret)
goto bad_tid_conf;
@@ -15295,6 +15432,62 @@ static int nl80211_set_fils_aad(struct sk_buff *skb,
return rdev_set_fils_aad(rdev, dev, &fils_aad);
}
+static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
+{
+ unsigned int link_id = nl80211_link_id(info->attrs);
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
+ return -EINVAL;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (!info->attrs[NL80211_ATTR_MAC] ||
+ !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
+ return -EINVAL;
+
+ wdev_lock(wdev);
+ wdev->valid_links |= BIT(link_id);
+ ether_addr_copy(wdev->links[link_id].addr,
+ nla_data(info->attrs[NL80211_ATTR_MAC]));
+ wdev_unlock(wdev);
+
+ return 0;
+}
+
+static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
+{
+ unsigned int link_id = nl80211_link_id(info->attrs);
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ /* cannot remove if there's no link */
+ if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
+ return -EINVAL;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* FIXME: stop the link operations first */
+
+ wdev_lock(wdev);
+ wdev->valid_links &= ~BIT(link_id);
+ eth_zero_addr(wdev->links[link_id].addr);
+ wdev_unlock(wdev);
+
+ return 0;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -15307,6 +15500,8 @@ static int nl80211_set_fils_aad(struct sk_buff *skb,
NL80211_FLAG_CHECK_NETDEV_UP)
#define NL80211_FLAG_CLEAR_SKB 0x20
#define NL80211_FLAG_NO_WIPHY_MTX 0x40
+#define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
+#define NL80211_FLAG_MLO_UNSUPPORTED 0x100
#define INTERNAL_FLAG_SELECTORS(__sel) \
SELECTOR(__sel, NONE, 0) /* must be first */ \
@@ -15316,6 +15511,12 @@ static int nl80211_set_fils_aad(struct sk_buff *skb,
NL80211_FLAG_NEED_WDEV) \
SELECTOR(__sel, NETDEV, \
NL80211_FLAG_NEED_NETDEV) \
+ SELECTOR(__sel, NETDEV_LINK, \
+ NL80211_FLAG_NEED_NETDEV | \
+ NL80211_FLAG_MLO_VALID_LINK_ID) \
+ SELECTOR(__sel, NETDEV_NO_MLO, \
+ NL80211_FLAG_NEED_NETDEV | \
+ NL80211_FLAG_MLO_UNSUPPORTED) \
SELECTOR(__sel, WIPHY_RTNL, \
NL80211_FLAG_NEED_WIPHY | \
NL80211_FLAG_NEED_RTNL) \
@@ -15331,14 +15532,31 @@ static int nl80211_set_fils_aad(struct sk_buff *skb,
NL80211_FLAG_NEED_RTNL) \
SELECTOR(__sel, NETDEV_UP, \
NL80211_FLAG_NEED_NETDEV_UP) \
+ SELECTOR(__sel, NETDEV_UP_LINK, \
+ NL80211_FLAG_NEED_NETDEV_UP | \
+ NL80211_FLAG_MLO_VALID_LINK_ID) \
+ SELECTOR(__sel, NETDEV_UP_NO_MLO, \
+ NL80211_FLAG_NEED_NETDEV_UP | \
+ NL80211_FLAG_MLO_UNSUPPORTED) \
+ SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
+ NL80211_FLAG_NEED_NETDEV_UP | \
+ NL80211_FLAG_CLEAR_SKB | \
+ NL80211_FLAG_MLO_UNSUPPORTED) \
SELECTOR(__sel, NETDEV_UP_NOTMX, \
NL80211_FLAG_NEED_NETDEV_UP | \
NL80211_FLAG_NO_WIPHY_MTX) \
+ SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
+ NL80211_FLAG_NEED_NETDEV_UP | \
+ NL80211_FLAG_NO_WIPHY_MTX | \
+ NL80211_FLAG_MLO_UNSUPPORTED) \
SELECTOR(__sel, NETDEV_UP_CLEAR, \
NL80211_FLAG_NEED_NETDEV_UP | \
NL80211_FLAG_CLEAR_SKB) \
SELECTOR(__sel, WDEV_UP, \
NL80211_FLAG_NEED_WDEV_UP) \
+ SELECTOR(__sel, WDEV_UP_LINK, \
+ NL80211_FLAG_NEED_WDEV_UP | \
+ NL80211_FLAG_MLO_VALID_LINK_ID) \
SELECTOR(__sel, WDEV_UP_RTNL, \
NL80211_FLAG_NEED_WDEV_UP | \
NL80211_FLAG_NEED_RTNL) \
@@ -15362,9 +15580,10 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = NULL;
- struct wireless_dev *wdev;
- struct net_device *dev;
+ struct wireless_dev *wdev = NULL;
+ struct net_device *dev = NULL;
u32 internal_flags;
+ int err;
if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
return -EINVAL;
@@ -15375,8 +15594,8 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
- rtnl_unlock();
- return PTR_ERR(rdev);
+ err = PTR_ERR(rdev);
+ goto out_unlock;
}
info->user_ptr[0] = rdev;
} else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
@@ -15384,17 +15603,18 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
- rtnl_unlock();
- return PTR_ERR(wdev);
+ err = PTR_ERR(wdev);
+ goto out_unlock;
}
dev = wdev->netdev;
+ dev_hold(dev);
rdev = wiphy_to_rdev(wdev->wiphy);
if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
- rtnl_unlock();
- return -EINVAL;
+ err = -EINVAL;
+ goto out_unlock;
}
info->user_ptr[1] = dev;
@@ -15404,14 +15624,44 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!wdev_running(wdev)) {
- rtnl_unlock();
- return -ENETDOWN;
+ err = -ENETDOWN;
+ goto out_unlock;
}
- dev_hold(dev);
info->user_ptr[0] = rdev;
}
+ if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
+ struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
+
+ if (!wdev) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
+ /* MLO -> require valid link ID */
+ if (wdev->valid_links &&
+ (!link_id ||
+ !(wdev->valid_links & BIT(nla_get_u16(link_id))))) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
+ /* non-MLO -> no link ID attribute accepted */
+ if (!wdev->valid_links && link_id) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+ }
+
+ if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
+ if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
+ (wdev && wdev->valid_links)) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+ }
+
if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
wiphy_lock(&rdev->wiphy);
/* we keep the mutex locked until post_doit */
@@ -15421,6 +15671,10 @@ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
rtnl_unlock();
return 0;
+out_unlock:
+ rtnl_unlock();
+ dev_put(dev);
+ return err;
}
static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
@@ -15636,6 +15890,7 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_key,
.flags = GENL_UNS_ADMIN_PERM,
+ /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_CLEAR_SKB),
},
@@ -15659,21 +15914,24 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_set_beacon,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_START_AP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_start_ap,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_STOP_AP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_stop_ap,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_GET_STATION,
@@ -15939,7 +16197,9 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_remain_on_channel,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
+ /* FIXME: requiring a link ID here is probably not good */
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
@@ -15953,7 +16213,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_tx_bitrate_mask,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_REGISTER_FRAME,
@@ -16002,7 +16263,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_channel,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_JOIN_MESH,
@@ -16163,7 +16425,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_mac_acl,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_MLO_UNSUPPORTED),
},
{
.cmd = NL80211_CMD_RADAR_DETECT,
@@ -16171,7 +16434,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.doit = nl80211_start_radar_detection,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NO_WIPHY_MTX),
+ NL80211_FLAG_NO_WIPHY_MTX |
+ NL80211_FLAG_MLO_UNSUPPORTED),
},
{
.cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
@@ -16217,7 +16481,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_channel_switch,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_VENDOR,
@@ -16240,7 +16505,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_add_tx_ts,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_UNSUPPORTED),
},
{
.cmd = NL80211_CMD_DEL_TX_TS,
@@ -16301,7 +16567,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_ftm_responder_stats,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_PEER_MEASUREMENT_START,
@@ -16333,7 +16600,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.cmd = NL80211_CMD_SET_TID_CONFIG,
.doit = nl80211_set_tid_config,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_SET_SAR_SPECS,
@@ -16357,6 +16625,19 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
},
+ {
+ .cmd = NL80211_CMD_ADD_LINK,
+ .doit = nl80211_add_link,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ },
+ {
+ .cmd = NL80211_CMD_REMOVE_LINK,
+ .doit = nl80211_remove_link,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
+ },
};
static struct genl_family nl80211_fam __ro_after_init = {
@@ -17984,23 +18265,37 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
}
void cfg80211_ch_switch_notify(struct net_device *dev,
- struct cfg80211_chan_def *chandef)
+ struct cfg80211_chan_def *chandef,
+ unsigned int link_id)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ASSERT_WDEV_LOCK(wdev);
+ WARN_INVALID_LINK_ID(wdev, link_id);
- trace_cfg80211_ch_switch_notify(dev, chandef);
-
- wdev->chandef = *chandef;
- wdev->preset_chandef = *chandef;
+ trace_cfg80211_ch_switch_notify(dev, chandef, link_id);
- if ((wdev->iftype == NL80211_IFTYPE_STATION ||
- wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
- !WARN_ON(!wdev->current_bss))
- cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ if (!WARN_ON(!wdev->links[link_id].client.current_bss))
+ cfg80211_update_assoc_bss_entry(wdev, link_id,
+ chandef->chan);
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ wdev->u.mesh.chandef = *chandef;
+ wdev->u.mesh.preset_chandef = *chandef;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ wdev->links[link_id].ap.chandef = *chandef;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
cfg80211_sched_dfs_chan_update(rdev);
diff --git a/net/wireless/ocb.c b/net/wireless/ocb.c
index 2d26a6d980bf..27a1732264f9 100644
--- a/net/wireless/ocb.c
+++ b/net/wireless/ocb.c
@@ -4,6 +4,7 @@
*
* Copyright: (c) 2014 Czech Technical University in Prague
* (c) 2014 Volkswagen Group Research
+ * Copyright (C) 2022 Intel Corporation
* Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
* Funded by: Volkswagen Group Research
*/
@@ -34,7 +35,7 @@ int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
err = rdev_join_ocb(rdev, dev, setup);
if (!err)
- wdev->chandef = setup->chandef;
+ wdev->u.ocb.chandef = setup->chandef;
return err;
}
@@ -69,7 +70,7 @@ int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
err = rdev_leave_ocb(rdev, dev);
if (!err)
- memset(&wdev->chandef, 0, sizeof(wdev->chandef));
+ memset(&wdev->u.ocb.chandef, 0, sizeof(wdev->u.ocb.chandef));
return err;
}
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 439bcf52369c..d2300eff03ae 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -1,4 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Portions of this file
+ * Copyright(c) 2016-2017 Intel Deutschland GmbH
+ * Copyright (C) 2018, 2021-2022 Intel Corporation
+ */
#ifndef __CFG80211_RDEV_OPS
#define __CFG80211_RDEV_OPS
@@ -172,11 +177,11 @@ static inline int rdev_change_beacon(struct cfg80211_registered_device *rdev,
}
static inline int rdev_stop_ap(struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+ struct net_device *dev, unsigned int link_id)
{
int ret;
- trace_rdev_stop_ap(&rdev->wiphy, dev);
- ret = rdev->ops->stop_ap(&rdev->wiphy, dev);
+ trace_rdev_stop_ap(&rdev->wiphy, dev, link_id);
+ ret = rdev->ops->stop_ap(&rdev->wiphy, dev, link_id);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
@@ -651,12 +656,14 @@ static inline int rdev_testmode_dump(struct cfg80211_registered_device *rdev,
static inline int
rdev_set_bitrate_mask(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *peer,
+ struct net_device *dev, unsigned int link_id,
+ const u8 *peer,
const struct cfg80211_bitrate_mask *mask)
{
int ret;
- trace_rdev_set_bitrate_mask(&rdev->wiphy, dev, peer, mask);
- ret = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, peer, mask);
+ trace_rdev_set_bitrate_mask(&rdev->wiphy, dev, link_id, peer, mask);
+ ret = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, link_id,
+ peer, mask);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
@@ -944,12 +951,13 @@ static inline int rdev_set_noack_map(struct cfg80211_registered_device *rdev,
static inline int
rdev_get_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
+ unsigned int link_id,
struct cfg80211_chan_def *chandef)
{
int ret;
- trace_rdev_get_channel(&rdev->wiphy, wdev);
- ret = rdev->ops->get_channel(&rdev->wiphy, wdev, chandef);
+ trace_rdev_get_channel(&rdev->wiphy, wdev, link_id);
+ ret = rdev->ops->get_channel(&rdev->wiphy, wdev, link_id, chandef);
trace_rdev_return_chandef(&rdev->wiphy, ret, chandef);
return ret;
@@ -1107,12 +1115,14 @@ static inline int rdev_set_qos_map(struct cfg80211_registered_device *rdev,
static inline int
rdev_set_ap_chanwidth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct cfg80211_chan_def *chandef)
+ struct net_device *dev,
+ unsigned int link_id,
+ struct cfg80211_chan_def *chandef)
{
int ret;
- trace_rdev_set_ap_chanwidth(&rdev->wiphy, dev, chandef);
- ret = rdev->ops->set_ap_chanwidth(&rdev->wiphy, dev, chandef);
+ trace_rdev_set_ap_chanwidth(&rdev->wiphy, dev, link_id, chandef);
+ ret = rdev->ops->set_ap_chanwidth(&rdev->wiphy, dev, link_id, chandef);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 58e83ce642ad..c7383ede794f 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -5,7 +5,7 @@
* Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2021 Intel Corporation
+ * Copyright (C) 2018 - 2022 Intel Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -2370,6 +2370,7 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
enum nl80211_iftype iftype;
bool ret;
+ int link;
wdev_lock(wdev);
iftype = wdev->iftype;
@@ -2378,62 +2379,83 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
if (!wdev->netdev || !netif_running(wdev->netdev))
goto wdev_inactive_unlock;
- switch (iftype) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_MESH_POINT:
- if (!wdev->beacon_interval)
- goto wdev_inactive_unlock;
- chandef = wdev->chandef;
- break;
- case NL80211_IFTYPE_ADHOC:
- if (!wdev->ssid_len)
- goto wdev_inactive_unlock;
- chandef = wdev->chandef;
- break;
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_P2P_CLIENT:
- if (!wdev->current_bss ||
- !wdev->current_bss->pub.channel)
- goto wdev_inactive_unlock;
-
- if (!rdev->ops->get_channel ||
- rdev_get_channel(rdev, wdev, &chandef))
- cfg80211_chandef_create(&chandef,
- wdev->current_bss->pub.channel,
- NL80211_CHAN_NO_HT);
- break;
- case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_P2P_DEVICE:
- /* no enforcement required */
- break;
- default:
- /* others not implemented for now */
- WARN_ON(1);
- break;
- }
+ for (link = 0; link < ARRAY_SIZE(wdev->links); link++) {
+ struct ieee80211_channel *chan;
- wdev_unlock(wdev);
+ if (!wdev->valid_links && link > 0)
+ break;
+ if (!(wdev->valid_links & BIT(link)))
+ continue;
+ switch (iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_MESH_POINT:
+ if (!wdev->u.mesh.beacon_interval)
+ continue;
+ chandef = wdev->u.mesh.chandef;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (!wdev->u.ibss.ssid_len)
+ continue;
+ chandef = wdev->u.ibss.chandef;
+ break;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ /* Maybe we could consider disabling that link only? */
+ if (!wdev->links[link].client.current_bss)
+ continue;
- switch (iftype) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- wiphy_lock(wiphy);
- ret = cfg80211_reg_can_beacon_relax(wiphy, &chandef, iftype);
- wiphy_unlock(wiphy);
+ chan = wdev->links[link].client.current_bss->pub.channel;
+ if (!chan)
+ continue;
- return ret;
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_P2P_CLIENT:
- return cfg80211_chandef_usable(wiphy, &chandef,
- IEEE80211_CHAN_DISABLED);
- default:
- break;
+ if (!rdev->ops->get_channel ||
+ rdev_get_channel(rdev, wdev, link, &chandef))
+ cfg80211_chandef_create(&chandef, chan,
+ NL80211_CHAN_NO_HT);
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_DEVICE:
+ /* no enforcement required */
+ break;
+ default:
+ /* others not implemented for now */
+ WARN_ON(1);
+ break;
+ }
+
+ wdev_unlock(wdev);
+
+ switch (iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ wiphy_lock(wiphy);
+ ret = cfg80211_reg_can_beacon_relax(wiphy, &chandef,
+ iftype);
+ wiphy_unlock(wiphy);
+
+ if (!ret)
+ return ret;
+ break;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ ret = cfg80211_chandef_usable(wiphy, &chandef,
+ IEEE80211_CHAN_DISABLED);
+ if (!ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+
+ wdev_lock(wdev);
}
+ wdev_unlock(wdev);
+
return true;
wdev_inactive_unlock:
@@ -4215,8 +4237,17 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
* In both cases we should end the CAC on the wdev.
*/
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
- if (wdev->cac_started &&
- !cfg80211_chandef_dfs_usable(&rdev->wiphy, &wdev->chandef))
+ struct cfg80211_chan_def *chandef;
+
+ if (!wdev->cac_started)
+ continue;
+
+ /* FIXME: radar detection is tied to link 0 for now */
+ chandef = wdev_chandef(wdev, 0);
+ if (!chandef)
+ continue;
+
+ if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
rdev_end_cac(rdev, wdev->netdev);
}
}
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 6d82bd9eaf8c..0134e5d5c81a 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -5,7 +5,7 @@
* Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2016 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
*/
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -2617,7 +2617,8 @@ void cfg80211_bss_iter(struct wiphy *wiphy,
spin_lock_bh(&rdev->bss_lock);
list_for_each_entry(bss, &rdev->bss_list, list) {
- if (!chandef || cfg80211_is_sub_chan(chandef, bss->pub.channel))
+ if (!chandef || cfg80211_is_sub_chan(chandef, bss->pub.channel,
+ false))
iter(wiphy, &bss->pub, iter_data);
}
@@ -2626,11 +2627,12 @@ void cfg80211_bss_iter(struct wiphy *wiphy,
EXPORT_SYMBOL(cfg80211_bss_iter);
void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
+ unsigned int link_id,
struct ieee80211_channel *chan)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
- struct cfg80211_internal_bss *cbss = wdev->current_bss;
+ struct cfg80211_internal_bss *cbss = wdev->links[link_id].client.current_bss;
struct cfg80211_internal_bss *new = NULL;
struct cfg80211_internal_bss *bss;
struct cfg80211_bss *nontrans_bss;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index ff4d48fcbfb2..35602201057b 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -5,7 +5,7 @@
* (for nl80211's connect() and wext)
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2009, 2020 Intel Corporation. All rights reserved.
+ * Copyright (C) 2009, 2020, 2022 Intel Corporation. All rights reserved.
* Copyright 2017 Intel Deutschland GmbH
*/
@@ -454,6 +454,20 @@ void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev)
schedule_work(&rdev->conn_work);
}
+static void cfg80211_wdev_release_bsses(struct wireless_dev *wdev)
+{
+ unsigned int link;
+
+ for_each_valid_link(wdev, link) {
+ if (!wdev->links[link].client.current_bss)
+ continue;
+ cfg80211_unhold_bss(wdev->links[link].client.current_bss);
+ cfg80211_put_bss(wdev->wiphy,
+ &wdev->links[link].client.current_bss->pub);
+ wdev->links[link].client.current_bss = NULL;
+ }
+}
+
static int cfg80211_sme_get_conn_ies(struct wireless_dev *wdev,
const u8 *ies, size_t ies_len,
const u8 **out_ies, size_t *out_ies_len)
@@ -521,12 +535,11 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev,
if (!rdev->ops->auth || !rdev->ops->assoc)
return -EOPNOTSUPP;
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
+ cfg80211_wdev_release_bsses(wdev);
+ if (wdev->connected) {
cfg80211_sme_free(wdev);
+ wdev->connected = false;
}
if (wdev->conn)
@@ -563,8 +576,8 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev,
wdev->conn->auto_auth = false;
}
- wdev->conn->params.ssid = wdev->ssid;
- wdev->conn->params.ssid_len = wdev->ssid_len;
+ wdev->conn->params.ssid = wdev->u.client.ssid;
+ wdev->conn->params.ssid_len = wdev->u.client.ssid_len;
/* see if we have the bss already */
bss = cfg80211_get_conn_bss(wdev);
@@ -648,7 +661,7 @@ static bool cfg80211_is_all_idle(void)
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
wdev_lock(wdev);
- if (wdev->conn || wdev->current_bss ||
+ if (wdev->conn || wdev->connected ||
cfg80211_beaconing_iface_active(wdev))
is_all_idle = false;
wdev_unlock(wdev);
@@ -668,7 +681,6 @@ static void disconnect_work(struct work_struct *work)
DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
-
/*
* API calls for drivers implementing connect/disconnect and
* SME event handling
@@ -729,23 +741,19 @@ void __cfg80211_connect_result(struct net_device *dev,
if (!cr->bss && (cr->status == WLAN_STATUS_SUCCESS)) {
WARN_ON_ONCE(!wiphy_to_rdev(wdev->wiphy)->ops->connect);
cr->bss = cfg80211_get_bss(wdev->wiphy, NULL, cr->bssid,
- wdev->ssid, wdev->ssid_len,
+ wdev->u.client.ssid, wdev->u.client.ssid_len,
wdev->conn_bss_type,
IEEE80211_PRIVACY_ANY);
if (cr->bss)
cfg80211_hold_bss(bss_from_pub(cr->bss));
}
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
- }
+ cfg80211_wdev_release_bsses(wdev);
if (cr->status != WLAN_STATUS_SUCCESS) {
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
- wdev->ssid_len = 0;
+ wdev->u.client.ssid_len = 0;
wdev->conn_owner_nlportid = 0;
if (cr->bss) {
cfg80211_unhold_bss(bss_from_pub(cr->bss));
@@ -758,7 +766,9 @@ void __cfg80211_connect_result(struct net_device *dev,
if (WARN_ON(!cr->bss))
return;
- wdev->current_bss = bss_from_pub(cr->bss);
+ wdev->links[0].client.current_bss = bss_from_pub(cr->bss);
+ wdev->connected = true;
+ ether_addr_copy(wdev->u.client.connected_addr, cr->bss->bssid);
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
@@ -801,7 +811,7 @@ void cfg80211_connect_done(struct net_device *dev,
found = cfg80211_get_bss(wdev->wiphy, NULL,
params->bss->bssid,
- wdev->ssid, wdev->ssid_len,
+ wdev->u.client.ssid, wdev->u.client.ssid_len,
wdev->conn_bss_type,
IEEE80211_PRIVACY_ANY);
if (found) {
@@ -906,18 +916,17 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
goto out;
- if (WARN_ON(!wdev->current_bss))
+ if (WARN_ON(!wdev->connected))
goto out;
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
+ cfg80211_wdev_release_bsses(wdev);
if (WARN_ON(!info->bss))
return;
cfg80211_hold_bss(bss_from_pub(info->bss));
- wdev->current_bss = bss_from_pub(info->bss);
+ wdev->links[0].client.current_bss = bss_from_pub(info->bss);
+ ether_addr_copy(wdev->u.client.connected_addr, info->bss->bssid);
wdev->unprot_beacon_reported = 0;
nl80211_send_roamed(wiphy_to_rdev(wdev->wiphy),
@@ -963,8 +972,8 @@ void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
if (!info->bss) {
info->bss = cfg80211_get_bss(wdev->wiphy, info->channel,
- info->bssid, wdev->ssid,
- wdev->ssid_len,
+ info->bssid, wdev->u.client.ssid,
+ wdev->u.client.ssid_len,
wdev->conn_bss_type,
IEEE80211_PRIVACY_ANY);
}
@@ -1034,8 +1043,8 @@ void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid)
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return;
- if (WARN_ON(!wdev->current_bss) ||
- WARN_ON(!ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ if (WARN_ON(!wdev->connected) ||
+ WARN_ON(!ether_addr_equal(wdev->u.client.connected_addr, bssid)))
return;
nl80211_send_port_authorized(wiphy_to_rdev(wdev->wiphy), wdev->netdev,
@@ -1087,13 +1096,9 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
- }
-
- wdev->current_bss = NULL;
- wdev->ssid_len = 0;
+ cfg80211_wdev_release_bsses(wdev);
+ wdev->connected = false;
+ wdev->u.client.ssid_len = 0;
wdev->conn_owner_nlportid = 0;
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
@@ -1182,19 +1187,20 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
* already connected, so reject a new SSID unless it's the
* same (which is the case for re-association.)
*/
- if (wdev->ssid_len &&
- (wdev->ssid_len != connect->ssid_len ||
- memcmp(wdev->ssid, connect->ssid, wdev->ssid_len)))
+ if (wdev->u.client.ssid_len &&
+ (wdev->u.client.ssid_len != connect->ssid_len ||
+ memcmp(wdev->u.client.ssid, connect->ssid, wdev->u.client.ssid_len)))
return -EALREADY;
/*
* If connected, reject (re-)association unless prev_bssid
* matches the current BSSID.
*/
- if (wdev->current_bss) {
+ if (wdev->connected) {
if (!prev_bssid)
return -EALREADY;
- if (!ether_addr_equal(prev_bssid, wdev->current_bss->pub.bssid))
+ if (!ether_addr_equal(prev_bssid,
+ wdev->u.client.connected_addr))
return -ENOTCONN;
}
@@ -1245,8 +1251,8 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
}
wdev->connect_keys = connkeys;
- memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
- wdev->ssid_len = connect->ssid_len;
+ memcpy(wdev->u.client.ssid, connect->ssid, connect->ssid_len);
+ wdev->u.client.ssid_len = connect->ssid_len;
wdev->conn_bss_type = connect->pbss ? IEEE80211_BSS_TYPE_PBSS :
IEEE80211_BSS_TYPE_ESS;
@@ -1262,8 +1268,8 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
* This could be reassoc getting refused, don't clear
* ssid_len in that case.
*/
- if (!wdev->current_bss)
- wdev->ssid_len = 0;
+ if (!wdev->connected)
+ wdev->u.client.ssid_len = 0;
return err;
}
@@ -1287,7 +1293,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
err = cfg80211_sme_disconnect(wdev, reason);
else if (!rdev->ops->disconnect)
cfg80211_mlme_down(rdev, dev);
- else if (wdev->ssid_len)
+ else if (wdev->u.client.ssid_len)
err = rdev_disconnect(rdev, dev, reason);
/*
@@ -1295,8 +1301,8 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
* in which case cfg80211_disconnected() will take care of
* this later.
*/
- if (!wdev->current_bss)
- wdev->ssid_len = 0;
+ if (!wdev->connected)
+ wdev->u.client.ssid_len = 0;
return err;
}
@@ -1320,7 +1326,7 @@ void cfg80211_autodisconnect_wk(struct work_struct *work)
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, wdev->netdev, false);
+ __cfg80211_stop_ap(rdev, wdev->netdev, -1, false);
break;
case NL80211_IFTYPE_MESH_POINT:
__cfg80211_leave_mesh(rdev, wdev->netdev);
@@ -1332,7 +1338,7 @@ void cfg80211_autodisconnect_wk(struct work_struct *work)
* ops->disconnect not implemented. Otherwise we can
* use cfg80211_disconnect.
*/
- if (rdev->ops->disconnect || wdev->current_bss)
+ if (rdev->ops->disconnect || wdev->connected)
cfg80211_disconnect(rdev, wdev->netdev,
WLAN_REASON_DEAUTH_LEAVING,
true);
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 228079d7690a..3b2c956b8d78 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -569,6 +569,7 @@ TRACE_EVENT(rdev_start_ap,
__field(bool, privacy)
__field(enum nl80211_auth_type, auth_type)
__field(int, inactivity_timeout)
+ __field(unsigned int, link_id)
),
TP_fast_assign(
WIPHY_ASSIGN;
@@ -583,16 +584,17 @@ TRACE_EVENT(rdev_start_ap,
__entry->inactivity_timeout = settings->inactivity_timeout;
memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1);
memcpy(__entry->ssid, settings->ssid, settings->ssid_len);
+ __entry->link_id = settings->beacon.link_id;
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", AP settings - ssid: %s, "
CHAN_DEF_PR_FMT ", beacon interval: %d, dtim period: %d, "
"hidden ssid: %d, wpa versions: %u, privacy: %s, "
- "auth type: %d, inactivity timeout: %d",
+ "auth type: %d, inactivity timeout: %d, link_id: %d",
WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ssid, CHAN_DEF_PR_ARG,
__entry->beacon_interval, __entry->dtim_period,
__entry->hidden_ssid, __entry->wpa_ver,
BOOL_TO_STR(__entry->privacy), __entry->auth_type,
- __entry->inactivity_timeout)
+ __entry->inactivity_timeout, __entry->link_id)
);
TRACE_EVENT(rdev_change_beacon,
@@ -602,6 +604,7 @@ TRACE_EVENT(rdev_change_beacon,
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
+ __field(int, link_id)
__dynamic_array(u8, head, info ? info->head_len : 0)
__dynamic_array(u8, tail, info ? info->tail_len : 0)
__dynamic_array(u8, beacon_ies, info ? info->beacon_ies_len : 0)
@@ -615,6 +618,7 @@ TRACE_EVENT(rdev_change_beacon,
WIPHY_ASSIGN;
NETDEV_ASSIGN;
if (info) {
+ __entry->link_id = info->link_id;
if (info->head)
memcpy(__get_dynamic_array(head), info->head,
info->head_len);
@@ -635,9 +639,30 @@ TRACE_EVENT(rdev_change_beacon,
if (info->probe_resp)
memcpy(__get_dynamic_array(probe_resp),
info->probe_resp, info->probe_resp_len);
+ } else {
+ __entry->link_id = -1;
}
),
- TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", link_id:%d",
+ WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->link_id)
+);
+
+TRACE_EVENT(rdev_stop_ap,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ unsigned int link_id),
+ TP_ARGS(wiphy, netdev, link_id),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ __field(unsigned int, link_id)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ __entry->link_id = link_id;
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", link_id: %d",
+ WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->link_id)
);
DECLARE_EVENT_CLASS(wiphy_netdev_evt,
@@ -654,11 +679,6 @@ DECLARE_EVENT_CLASS(wiphy_netdev_evt,
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG)
);
-DEFINE_EVENT(wiphy_netdev_evt, rdev_stop_ap,
- TP_PROTO(struct wiphy *wiphy, struct net_device *netdev),
- TP_ARGS(wiphy, netdev)
-);
-
DEFINE_EVENT(wiphy_netdev_evt, rdev_set_rekey_data,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev),
TP_ARGS(wiphy, netdev)
@@ -1619,20 +1639,24 @@ TRACE_EVENT(rdev_testmode_dump,
TRACE_EVENT(rdev_set_bitrate_mask,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ unsigned int link_id,
const u8 *peer, const struct cfg80211_bitrate_mask *mask),
- TP_ARGS(wiphy, netdev, peer, mask),
+ TP_ARGS(wiphy, netdev, link_id, peer, mask),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
+ __field(unsigned int, link_id)
MAC_ENTRY(peer)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
+ __entry->link_id = link_id;
MAC_ASSIGN(peer, peer);
),
- TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT,
- WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", link_id: %d, peer: " MAC_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->link_id,
+ MAC_PR_ARG(peer))
);
TRACE_EVENT(rdev_update_mgmt_frame_registrations,
@@ -2040,9 +2064,22 @@ TRACE_EVENT(rdev_set_noack_map,
WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->noack_map)
);
-DEFINE_EVENT(wiphy_wdev_evt, rdev_get_channel,
- TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
- TP_ARGS(wiphy, wdev)
+TRACE_EVENT(rdev_get_channel,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
+ unsigned int link_id),
+ TP_ARGS(wiphy, wdev, link_id),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ WDEV_ENTRY
+ __field(unsigned int, link_id)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ WDEV_ASSIGN;
+ __entry->link_id = link_id;
+ ),
+ TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", link_id: %u",
+ WIPHY_PR_ARG, WDEV_PR_ARG, __entry->link_id)
);
TRACE_EVENT(rdev_return_chandef,
@@ -2296,20 +2333,24 @@ TRACE_EVENT(rdev_set_qos_map,
TRACE_EVENT(rdev_set_ap_chanwidth,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ unsigned int link_id,
struct cfg80211_chan_def *chandef),
- TP_ARGS(wiphy, netdev, chandef),
+ TP_ARGS(wiphy, netdev, link_id, chandef),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
CHAN_DEF_ENTRY
+ __field(unsigned int, link_id)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
CHAN_DEF_ASSIGN(chandef);
+ __entry->link_id = link_id;
),
- TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT,
- WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG)
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT ", link:%d",
+ WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG,
+ __entry->link_id)
);
TRACE_EVENT(rdev_add_tx_ts,
@@ -3022,18 +3063,21 @@ TRACE_EVENT(cfg80211_chandef_dfs_required,
TRACE_EVENT(cfg80211_ch_switch_notify,
TP_PROTO(struct net_device *netdev,
- struct cfg80211_chan_def *chandef),
- TP_ARGS(netdev, chandef),
+ struct cfg80211_chan_def *chandef,
+ unsigned int link_id),
+ TP_ARGS(netdev, chandef, link_id),
TP_STRUCT__entry(
NETDEV_ENTRY
CHAN_DEF_ENTRY
+ __field(unsigned int, link_id)
),
TP_fast_assign(
NETDEV_ASSIGN;
CHAN_DEF_ASSIGN(chandef);
+ __entry->link_id = link_id;
),
- TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT,
- NETDEV_PR_ARG, CHAN_DEF_PR_ARG)
+ TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT ", link:%d",
+ NETDEV_PR_ARG, CHAN_DEF_PR_ARG, __entry->link_id)
);
TRACE_EVENT(cfg80211_ch_switch_started_notify,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index a60d7d638e72..b7257862e0fe 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -5,7 +5,7 @@
* Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
*/
#include <linux/export.h>
#include <linux/bitops.h>
@@ -1041,7 +1041,6 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
dev->ieee80211_ptr->use_4addr = false;
- dev->ieee80211_ptr->mesh_id_up_len = 0;
wdev_lock(dev->ieee80211_ptr);
rdev_set_qos_map(rdev, dev, NULL);
wdev_unlock(dev->ieee80211_ptr);
@@ -1049,7 +1048,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
switch (otype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- cfg80211_stop_ap(rdev, dev, true);
+ cfg80211_stop_ap(rdev, dev, -1, true);
break;
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, false);
@@ -1073,6 +1072,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
cfg80211_process_rdev_events(rdev);
cfg80211_mlme_purge_registrations(dev->ieee80211_ptr);
+
+ memset(&dev->ieee80211_ptr->u, 0,
+ sizeof(dev->ieee80211_ptr->u));
+ memset(&dev->ieee80211_ptr->links, 0,
+ sizeof(dev->ieee80211_ptr->links));
}
err = rdev_change_virtual_intf(rdev, dev, ntype, params);
@@ -1930,6 +1934,24 @@ bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
}
EXPORT_SYMBOL(ieee80211_chandef_to_operating_class);
+static int cfg80211_wdev_bi(struct wireless_dev *wdev)
+{
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ WARN_ON(wdev->valid_links);
+ return wdev->links[0].ap.beacon_interval;
+ case NL80211_IFTYPE_MESH_POINT:
+ return wdev->u.mesh.beacon_interval;
+ case NL80211_IFTYPE_ADHOC:
+ return wdev->u.ibss.beacon_interval;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static void cfg80211_calculate_bi_data(struct wiphy *wiphy, u32 new_beacon_int,
u32 *beacon_int_gcd,
bool *beacon_int_different)
@@ -1940,19 +1962,27 @@ static void cfg80211_calculate_bi_data(struct wiphy *wiphy, u32 new_beacon_int,
*beacon_int_different = false;
list_for_each_entry(wdev, &wiphy->wdev_list, list) {
- if (!wdev->beacon_interval)
+ int wdev_bi;
+
+ /* this feature isn't supported with MLO */
+ if (wdev->valid_links)
+ continue;
+
+ wdev_bi = cfg80211_wdev_bi(wdev);
+
+ if (!wdev_bi)
continue;
if (!*beacon_int_gcd) {
- *beacon_int_gcd = wdev->beacon_interval;
+ *beacon_int_gcd = wdev_bi;
continue;
}
- if (wdev->beacon_interval == *beacon_int_gcd)
+ if (wdev_bi == *beacon_int_gcd)
continue;
*beacon_int_different = true;
- *beacon_int_gcd = gcd(*beacon_int_gcd, wdev->beacon_interval);
+ *beacon_int_gcd = gcd(*beacon_int_gcd, wdev_bi);
}
if (new_beacon_int && *beacon_int_gcd != new_beacon_int) {
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index a32065d600a1..a9767bfe7330 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -7,7 +7,7 @@
* we directly assign the wireless handlers of wireless interfaces.
*
* Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2019-2021 Intel Corporation
+ * Copyright (C) 2019-2022 Intel Corporation
*/
#include <linux/export.h>
@@ -415,6 +415,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
int err, i;
bool rejoin = false;
+ if (wdev->valid_links)
+ return -EINVAL;
+
if (pairwise && !addr)
return -EINVAL;
@@ -437,7 +440,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
return -EOPNOTSUPP;
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
- if (!wdev->current_bss)
+ if (!wdev->connected)
return -ENOLINK;
if (!rdev->ops->set_default_mgmt_key)
@@ -450,7 +453,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if (remove) {
err = 0;
- if (wdev->current_bss) {
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss)) {
/*
* If removing the current TX key, we will need to
* join a new IBSS without the privacy bit clear.
@@ -501,7 +506,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
return -EINVAL;
err = 0;
- if (wdev->current_bss)
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
err = rdev_add_key(rdev, dev, idx, pairwise, addr, params);
else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
params->cipher != WLAN_CIPHER_SUITE_WEP104)
@@ -526,7 +533,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
(tx_key || (!addr && wdev->wext.default_key == -1))) {
- if (wdev->current_bss) {
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss)) {
/*
* If we are getting a new TX key from not having
* had one before we need to join a new IBSS with
@@ -549,7 +558,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
(tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
- if (wdev->current_bss)
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
err = rdev_set_default_mgmt_key(rdev, dev, idx);
if (!err)
wdev->wext.default_mgmt_key = idx;
@@ -595,6 +606,11 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
return -EOPNOTSUPP;
wiphy_lock(&rdev->wiphy);
+ if (wdev->valid_links) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
idx = erq->flags & IW_ENCODE_INDEX;
if (idx == 0) {
idx = wdev->wext.default_key;
@@ -613,7 +629,9 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
/* No key data - just set the default TX key index */
err = 0;
wdev_lock(wdev);
- if (wdev->current_bss)
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
err = rdev_set_default_key(rdev, dev, idx, true,
true);
if (!err)
@@ -865,7 +883,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
break;
}
- ret = rdev_get_channel(rdev, wdev, &chandef);
+ ret = rdev_get_channel(rdev, wdev, 0, &chandef);
if (ret)
break;
freq->m = chandef.chan->center_freq;
@@ -1270,7 +1288,10 @@ static int cfg80211_wext_siwrate(struct net_device *dev,
return -EINVAL;
wiphy_lock(&rdev->wiphy);
- ret = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
+ if (dev->ieee80211_ptr->valid_links)
+ ret = -EOPNOTSUPP;
+ else
+ ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask);
wiphy_unlock(&rdev->wiphy);
return ret;
@@ -1294,8 +1315,9 @@ static int cfg80211_wext_giwrate(struct net_device *dev,
err = 0;
wdev_lock(wdev);
- if (wdev->current_bss)
- memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
+ if (!wdev->valid_links && wdev->links[0].client.current_bss)
+ memcpy(addr, wdev->links[0].client.current_bss->pub.bssid,
+ ETH_ALEN);
else
err = -EOPNOTSUPP;
wdev_unlock(wdev);
@@ -1339,11 +1361,11 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
/* Grab BSSID of current BSS, if any */
wdev_lock(wdev);
- if (!wdev->current_bss) {
+ if (wdev->valid_links || !wdev->links[0].client.current_bss) {
wdev_unlock(wdev);
return NULL;
}
- memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
+ memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN);
wdev_unlock(wdev);
memset(&sinfo, 0, sizeof(sinfo));
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index cd09a9042261..68f45afc352d 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -3,7 +3,7 @@
* cfg80211 wext compat for managed mode.
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2009, 2020-2021 Intel Corporation.
+ * Copyright (C) 2009, 2020-2022 Intel Corporation
*/
#include <linux/export.h>
@@ -124,9 +124,12 @@ int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return -EINVAL;
+ if (wdev->valid_links)
+ return -EOPNOTSUPP;
+
wdev_lock(wdev);
- if (wdev->current_bss)
- chan = wdev->current_bss->pub.channel;
+ if (wdev->links[0].client.current_bss)
+ chan = wdev->links[0].client.current_bss->pub.channel;
else if (wdev->wext.connect.channel)
chan = wdev->wext.connect.channel;
wdev_unlock(wdev);
@@ -208,15 +211,19 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return -EINVAL;
+ if (wdev->valid_links)
+ return -EINVAL;
+
data->flags = 0;
wdev_lock(wdev);
- if (wdev->current_bss) {
+ if (wdev->links[0].client.current_bss) {
const struct element *ssid_elem;
rcu_read_lock();
- ssid_elem = ieee80211_bss_get_elem(&wdev->current_bss->pub,
- WLAN_EID_SSID);
+ ssid_elem = ieee80211_bss_get_elem(
+ &wdev->links[0].client.current_bss->pub,
+ WLAN_EID_SSID);
if (ssid_elem) {
data->flags = 1;
data->length = ssid_elem->datalen;
@@ -300,8 +307,14 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
wdev_lock(wdev);
- if (wdev->current_bss)
- memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
+ if (wdev->valid_links) {
+ wdev_unlock(wdev);
+ return -EOPNOTSUPP;
+ }
+ if (wdev->links[0].client.current_bss)
+ memcpy(ap_addr->sa_data,
+ wdev->links[0].client.current_bss->pub.bssid,
+ ETH_ALEN);
else
eth_zero_addr(ap_addr->sa_data);
wdev_unlock(wdev);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-19 22:19:24 +0300