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-rw-r--r--net/mac80211/airtime.c140
-rw-r--r--net/mac80211/cfg.c49
-rw-r--r--net/mac80211/chan.c1
-rw-r--r--net/mac80211/ieee80211_i.h8
-rw-r--r--net/mac80211/iface.c25
-rw-r--r--net/mac80211/link.c12
-rw-r--r--net/mac80211/mlme.c13
-rw-r--r--net/mac80211/pm.c2
-rw-r--r--net/mac80211/scan.c6
-rw-r--r--net/mac80211/util.c80
10 files changed, 271 insertions, 65 deletions
diff --git a/net/mac80211/airtime.c b/net/mac80211/airtime.c
index fdf8b658fede..c61df637232a 100644
--- a/net/mac80211/airtime.c
+++ b/net/mac80211/airtime.c
@@ -55,10 +55,21 @@
#define HE_DURATION_S(shift, streams, gi, bps) \
(HE_DURATION(streams, gi, bps) >> shift)
+/* gi in HE/EHT is identical. It matches enum nl80211_eht_gi as well */
+#define EHT_GI_08 HE_GI_08
+#define EHT_GI_16 HE_GI_16
+#define EHT_GI_32 HE_GI_32
+
+#define EHT_DURATION(streams, gi, bps) \
+ HE_DURATION(streams, gi, bps)
+#define EHT_DURATION_S(shift, streams, gi, bps) \
+ HE_DURATION_S(shift, streams, gi, bps)
+
#define BW_20 0
#define BW_40 1
#define BW_80 2
#define BW_160 3
+#define BW_320 4
/*
* Define group sort order: HT40 -> SGI -> #streams
@@ -68,17 +79,26 @@
#define IEEE80211_VHT_STREAM_GROUPS 8 /* BW(=4) * SGI(=2) */
#define IEEE80211_HE_MAX_STREAMS 8
+#define IEEE80211_HE_STREAM_GROUPS 12 /* BW(=4) * GI(=3) */
+
+#define IEEE80211_EHT_MAX_STREAMS 8
+#define IEEE80211_EHT_STREAM_GROUPS 15 /* BW(=5) * GI(=3) */
#define IEEE80211_HT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
IEEE80211_HT_STREAM_GROUPS)
#define IEEE80211_VHT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
IEEE80211_VHT_STREAM_GROUPS)
+#define IEEE80211_HE_GROUPS_NB (IEEE80211_HE_MAX_STREAMS * \
+ IEEE80211_HE_STREAM_GROUPS)
+#define IEEE80211_EHT_GROUPS_NB (IEEE80211_EHT_MAX_STREAMS * \
+ IEEE80211_EHT_STREAM_GROUPS)
#define IEEE80211_HT_GROUP_0 0
#define IEEE80211_VHT_GROUP_0 (IEEE80211_HT_GROUP_0 + IEEE80211_HT_GROUPS_NB)
#define IEEE80211_HE_GROUP_0 (IEEE80211_VHT_GROUP_0 + IEEE80211_VHT_GROUPS_NB)
+#define IEEE80211_EHT_GROUP_0 (IEEE80211_HE_GROUP_0 + IEEE80211_HE_GROUPS_NB)
-#define MCS_GROUP_RATES 12
+#define MCS_GROUP_RATES 14
#define HT_GROUP_IDX(_streams, _sgi, _ht40) \
IEEE80211_HT_GROUP_0 + \
@@ -203,6 +223,69 @@
#define HE_GROUP(_streams, _gi, _bw) \
__HE_GROUP(_streams, _gi, _bw, \
HE_GROUP_SHIFT(_streams, _gi, _bw))
+
+#define EHT_BW2VBPS(_bw, r5, r4, r3, r2, r1) \
+ ((_bw) == BW_320 ? r5 : BW2VBPS(_bw, r4, r3, r2, r1))
+
+#define EHT_GROUP_IDX(_streams, _gi, _bw) \
+ (IEEE80211_EHT_GROUP_0 + \
+ IEEE80211_EHT_MAX_STREAMS * 3 * (_bw) + \
+ IEEE80211_EHT_MAX_STREAMS * (_gi) + \
+ (_streams) - 1)
+
+#define __EHT_GROUP(_streams, _gi, _bw, _s) \
+ [EHT_GROUP_IDX(_streams, _gi, _bw)] = { \
+ .shift = _s, \
+ .duration = { \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 1960, 980, 490, 234, 117)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 3920, 1960, 980, 468, 234)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 5880, 2937, 1470, 702, 351)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 7840, 3920, 1960, 936, 468)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 11760, 5880, 2940, 1404, 702)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 15680, 7840, 3920, 1872, 936)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 17640, 8820, 4410, 2106, 1053)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 19600, 9800, 4900, 2340, 1170)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 23520, 11760, 5880, 2808, 1404)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 26133, 13066, 6533, 3120, 1560)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 29400, 14700, 7350, 3510, 1755)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 32666, 16333, 8166, 3900, 1950)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 35280, 17640, 8820, 4212, 2106)), \
+ EHT_DURATION_S(_s, _streams, _gi, \
+ EHT_BW2VBPS(_bw, 39200, 19600, 9800, 4680, 2340)) \
+ } \
+}
+
+#define EHT_GROUP_SHIFT(_streams, _gi, _bw) \
+ GROUP_SHIFT(EHT_DURATION(_streams, _gi, \
+ EHT_BW2VBPS(_bw, 1960, 980, 490, 234, 117)))
+
+#define EHT_GROUP(_streams, _gi, _bw) \
+ __EHT_GROUP(_streams, _gi, _bw, \
+ EHT_GROUP_SHIFT(_streams, _gi, _bw))
+
+#define EHT_GROUP_RANGE(_gi, _bw) \
+ EHT_GROUP(1, _gi, _bw), \
+ EHT_GROUP(2, _gi, _bw), \
+ EHT_GROUP(3, _gi, _bw), \
+ EHT_GROUP(4, _gi, _bw), \
+ EHT_GROUP(5, _gi, _bw), \
+ EHT_GROUP(6, _gi, _bw), \
+ EHT_GROUP(7, _gi, _bw), \
+ EHT_GROUP(8, _gi, _bw)
+
struct mcs_group {
u8 shift;
u16 duration[MCS_GROUP_RATES];
@@ -376,6 +459,26 @@ static const struct mcs_group airtime_mcs_groups[] = {
HE_GROUP(6, HE_GI_32, BW_160),
HE_GROUP(7, HE_GI_32, BW_160),
HE_GROUP(8, HE_GI_32, BW_160),
+
+ EHT_GROUP_RANGE(EHT_GI_08, BW_20),
+ EHT_GROUP_RANGE(EHT_GI_16, BW_20),
+ EHT_GROUP_RANGE(EHT_GI_32, BW_20),
+
+ EHT_GROUP_RANGE(EHT_GI_08, BW_40),
+ EHT_GROUP_RANGE(EHT_GI_16, BW_40),
+ EHT_GROUP_RANGE(EHT_GI_32, BW_40),
+
+ EHT_GROUP_RANGE(EHT_GI_08, BW_80),
+ EHT_GROUP_RANGE(EHT_GI_16, BW_80),
+ EHT_GROUP_RANGE(EHT_GI_32, BW_80),
+
+ EHT_GROUP_RANGE(EHT_GI_08, BW_160),
+ EHT_GROUP_RANGE(EHT_GI_16, BW_160),
+ EHT_GROUP_RANGE(EHT_GI_32, BW_160),
+
+ EHT_GROUP_RANGE(EHT_GI_08, BW_320),
+ EHT_GROUP_RANGE(EHT_GI_16, BW_320),
+ EHT_GROUP_RANGE(EHT_GI_32, BW_320),
};
static u32
@@ -422,6 +525,9 @@ static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
case RATE_INFO_BW_160:
bw = BW_160;
break;
+ case RATE_INFO_BW_320:
+ bw = BW_320;
+ break;
default:
WARN_ON_ONCE(1);
return 0;
@@ -443,14 +549,27 @@ static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
idx = status->rate_idx;
group = HE_GROUP_IDX(streams, status->he_gi, bw);
break;
+ case RX_ENC_EHT:
+ streams = status->nss;
+ idx = status->rate_idx;
+ group = EHT_GROUP_IDX(streams, status->eht.gi, bw);
+ break;
default:
WARN_ON_ONCE(1);
return 0;
}
- if (WARN_ON_ONCE((status->encoding != RX_ENC_HE && streams > 4) ||
- (status->encoding == RX_ENC_HE && streams > 8)))
- return 0;
+ switch (status->encoding) {
+ case RX_ENC_EHT:
+ case RX_ENC_HE:
+ if (WARN_ON_ONCE(streams > 8))
+ return 0;
+ break;
+ default:
+ if (WARN_ON_ONCE(streams > 4))
+ return 0;
+ break;
+ }
if (idx >= MCS_GROUP_RATES)
return 0;
@@ -517,7 +636,9 @@ static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
stat->nss = ri->nss;
stat->rate_idx = ri->mcs;
- if (ri->flags & RATE_INFO_FLAGS_HE_MCS)
+ if (ri->flags & RATE_INFO_FLAGS_EHT_MCS)
+ stat->encoding = RX_ENC_EHT;
+ else if (ri->flags & RATE_INFO_FLAGS_HE_MCS)
stat->encoding = RX_ENC_HE;
else if (ri->flags & RATE_INFO_FLAGS_VHT_MCS)
stat->encoding = RX_ENC_VHT;
@@ -529,7 +650,14 @@ static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
if (ri->flags & RATE_INFO_FLAGS_SHORT_GI)
stat->enc_flags |= RX_ENC_FLAG_SHORT_GI;
- stat->he_gi = ri->he_gi;
+ switch (stat->encoding) {
+ case RX_ENC_EHT:
+ stat->eht.gi = ri->eht_gi;
+ break;
+ default:
+ stat->he_gi = ri->he_gi;
+ break;
+ }
if (stat->encoding != RX_ENC_LEGACY)
return true;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b02b84ce2130..847304a3a29a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1662,12 +1662,12 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
ieee80211_link_info_change_notify(sdata, link,
BSS_CHANGED_BEACON_ENABLED);
- if (sdata->wdev.cac_started) {
+ if (sdata->wdev.links[link_id].cac_started) {
chandef = link_conf->chanreq.oper;
- wiphy_delayed_work_cancel(wiphy, &sdata->dfs_cac_timer_work);
+ wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
cfg80211_cac_event(sdata->dev, &chandef,
NL80211_RADAR_CAC_ABORTED,
- GFP_KERNEL);
+ GFP_KERNEL, link_id);
}
drv_stop_ap(sdata->local, sdata, link_conf);
@@ -3462,51 +3462,58 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
static int ieee80211_start_radar_detection(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_chan_def *chandef,
- u32 cac_time_ms)
+ u32 cac_time_ms, int link_id)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_chan_req chanreq = { .oper = *chandef };
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_link_data *link_data;
int err;
lockdep_assert_wiphy(local->hw.wiphy);
- if (!list_empty(&local->roc_list) || local->scanning) {
- err = -EBUSY;
- goto out_unlock;
- }
+ if (!list_empty(&local->roc_list) || local->scanning)
+ return -EBUSY;
+
+ link_data = sdata_dereference(sdata->link[link_id], sdata);
+ if (!link_data)
+ return -ENOLINK;
/* whatever, but channel contexts should not complain about that one */
- sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
- sdata->deflink.needed_rx_chains = local->rx_chains;
+ link_data->smps_mode = IEEE80211_SMPS_OFF;
+ link_data->needed_rx_chains = local->rx_chains;
- err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
+ err = ieee80211_link_use_channel(link_data, &chanreq,
IEEE80211_CHANCTX_SHARED);
if (err)
- goto out_unlock;
+ return err;
- wiphy_delayed_work_queue(wiphy, &sdata->dfs_cac_timer_work,
+ wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work,
msecs_to_jiffies(cac_time_ms));
- out_unlock:
- return err;
+ return 0;
}
static void ieee80211_end_cac(struct wiphy *wiphy,
- struct net_device *dev)
+ struct net_device *dev, unsigned int link_id)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_link_data *link_data;
lockdep_assert_wiphy(local->hw.wiphy);
list_for_each_entry(sdata, &local->interfaces, list) {
+ link_data = sdata_dereference(sdata->link[link_id], sdata);
+ if (!link_data)
+ continue;
+
wiphy_delayed_work_cancel(wiphy,
- &sdata->dfs_cac_timer_work);
+ &link_data->dfs_cac_timer_work);
- if (sdata->wdev.cac_started) {
- ieee80211_link_release_channel(&sdata->deflink);
- sdata->wdev.cac_started = false;
+ if (sdata->wdev.links[link_id].cac_started) {
+ ieee80211_link_release_channel(link_data);
+ sdata->wdev.links[link_id].cac_started = false;
}
}
}
@@ -3961,7 +3968,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
if (!list_empty(&local->roc_list) || local->scanning)
return -EBUSY;
- if (sdata->wdev.cac_started)
+ if (sdata->wdev.links[link_id].cac_started)
return -EBUSY;
if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index b72e4036526b..cca6d14084d2 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -683,6 +683,7 @@ ieee80211_alloc_chanctx(struct ieee80211_local *local,
ctx->mode = mode;
ctx->conf.radar_enabled = false;
ctx->conf.radio_idx = radio_idx;
+ ctx->radar_detected = false;
_ieee80211_recalc_chanctx_min_def(local, ctx, NULL, false);
return ctx;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6305c4e9cca1..4f0390918b60 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -893,6 +893,8 @@ struct ieee80211_chanctx {
struct ieee80211_chan_req req;
struct ieee80211_chanctx_conf conf;
+
+ bool radar_detected;
};
struct mac80211_qos_map {
@@ -1067,6 +1069,7 @@ struct ieee80211_link_data {
int ap_power_level; /* in dBm */
bool radar_required;
+ struct wiphy_delayed_work dfs_cac_timer_work;
union {
struct ieee80211_link_data_managed mgd;
@@ -1165,8 +1168,6 @@ struct ieee80211_sub_if_data {
struct ieee80211_link_data deflink;
struct ieee80211_link_data __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
- struct wiphy_delayed_work dfs_cac_timer_work;
-
/* for ieee80211_set_active_links_async() */
struct wiphy_work activate_links_work;
u16 desired_active_links;
@@ -2650,7 +2651,8 @@ void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
bool ieee80211_is_radar_required(struct ieee80211_local *local);
void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work);
-void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
+void ieee80211_dfs_cac_cancel(struct ieee80211_local *local,
+ struct ieee80211_chanctx *chanctx);
void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy,
struct wiphy_work *work);
int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b4ad66af3af3..6ef0990d3d29 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -462,6 +462,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
{
struct ieee80211_local *local = sdata->local;
unsigned long flags;
+ struct sk_buff_head freeq;
struct sk_buff *skb, *tmp;
u32 hw_reconf_flags = 0;
int i, flushed;
@@ -550,15 +551,15 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
wiphy_work_cancel(local->hw.wiphy,
&sdata->deflink.color_change_finalize_work);
wiphy_delayed_work_cancel(local->hw.wiphy,
- &sdata->dfs_cac_timer_work);
+ &sdata->deflink.dfs_cac_timer_work);
- if (sdata->wdev.cac_started) {
+ if (sdata->wdev.links[0].cac_started) {
chandef = sdata->vif.bss_conf.chanreq.oper;
WARN_ON(local->suspended);
ieee80211_link_release_channel(&sdata->deflink);
cfg80211_cac_event(sdata->dev, &chandef,
NL80211_RADAR_CAC_ABORTED,
- GFP_KERNEL);
+ GFP_KERNEL, 0);
}
if (sdata->vif.type == NL80211_IFTYPE_AP) {
@@ -637,18 +638,32 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
skb_queue_purge(&sdata->status_queue);
}
+ /*
+ * Since ieee80211_free_txskb() may issue __dev_queue_xmit()
+ * which should be called with interrupts enabled, reclamation
+ * is done in two phases:
+ */
+ __skb_queue_head_init(&freeq);
+
+ /* unlink from local queues... */
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
skb_queue_walk_safe(&local->pending[i], skb, tmp) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (info->control.vif == &sdata->vif) {
__skb_unlink(skb, &local->pending[i]);
- ieee80211_free_txskb(&local->hw, skb);
+ __skb_queue_tail(&freeq, skb);
}
}
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ /* ... and perform actual reclamation with interrupts enabled. */
+ skb_queue_walk_safe(&freeq, skb, tmp) {
+ __skb_unlink(skb, &freeq);
+ ieee80211_free_txskb(&local->hw, skb);
+ }
+
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
ieee80211_txq_remove_vlan(local, sdata);
@@ -1729,8 +1744,6 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
wiphy_work_init(&sdata->work, ieee80211_iface_work);
wiphy_work_init(&sdata->activate_links_work,
ieee80211_activate_links_work);
- wiphy_delayed_work_init(&sdata->dfs_cac_timer_work,
- ieee80211_dfs_cac_timer_work);
switch (type) {
case NL80211_IFTYPE_P2P_GO:
diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index 1a211b8d4057..0bbac64d5fa0 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -45,6 +45,8 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
ieee80211_color_collision_detection_work);
INIT_LIST_HEAD(&link->assigned_chanctx_list);
INIT_LIST_HEAD(&link->reserved_chanctx_list);
+ wiphy_delayed_work_init(&link->dfs_cac_timer_work,
+ ieee80211_dfs_cac_timer_work);
if (!deflink) {
switch (sdata->vif.type) {
@@ -75,6 +77,16 @@ void ieee80211_link_stop(struct ieee80211_link_data *link)
&link->color_change_finalize_work);
wiphy_work_cancel(link->sdata->local->hw.wiphy,
&link->csa.finalize_work);
+
+ if (link->sdata->wdev.links[link->link_id].cac_started) {
+ wiphy_delayed_work_cancel(link->sdata->local->hw.wiphy,
+ &link->dfs_cac_timer_work);
+ cfg80211_cac_event(link->sdata->dev,
+ &link->conf->chanreq.oper,
+ NL80211_RADAR_CAC_ABORTED,
+ GFP_KERNEL, link->link_id);
+ }
+
ieee80211_link_release_channel(link);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 746f51ac0306..735e78adb0db 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3031,18 +3031,19 @@ void ieee80211_dynamic_ps_timer(struct timer_list *t)
void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work)
{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data,
+ struct ieee80211_link_data *link =
+ container_of(work, struct ieee80211_link_data,
dfs_cac_timer_work.work);
- struct cfg80211_chan_def chandef = sdata->vif.bss_conf.chanreq.oper;
+ struct cfg80211_chan_def chandef = link->conf->chanreq.oper;
+ struct ieee80211_sub_if_data *sdata = link->sdata;
lockdep_assert_wiphy(sdata->local->hw.wiphy);
- if (sdata->wdev.cac_started) {
- ieee80211_link_release_channel(&sdata->deflink);
+ if (sdata->wdev.links[link->link_id].cac_started) {
+ ieee80211_link_release_channel(link);
cfg80211_cac_event(sdata->dev, &chandef,
NL80211_RADAR_CAC_FINISHED,
- GFP_KERNEL);
+ GFP_KERNEL, link->link_id);
}
}
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index d823d58303e8..7be52345f218 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -32,7 +32,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
ieee80211_scan_cancel(local);
- ieee80211_dfs_cac_cancel(local);
+ ieee80211_dfs_cac_cancel(local, NULL);
ieee80211_roc_purge(local, NULL);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 14e18fd9e919..adb88c06b598 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -575,6 +575,7 @@ static bool __ieee80211_can_leave_ch(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_sub_if_data *sdata_iter;
+ unsigned int link_id;
lockdep_assert_wiphy(local->hw.wiphy);
@@ -585,8 +586,9 @@ static bool __ieee80211_can_leave_ch(struct ieee80211_sub_if_data *sdata)
return false;
list_for_each_entry(sdata_iter, &local->interfaces, list) {
- if (sdata_iter->wdev.cac_started)
- return false;
+ for_each_valid_link(&sdata_iter->wdev, link_id)
+ if (sdata_iter->wdev.links[link_id].cac_started)
+ return false;
}
return true;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3b9468dc3029..f94faa86ba8a 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3467,24 +3467,44 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
return ts;
}
-void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
+/* Cancel CAC for the interfaces under the specified @local. If @ctx is
+ * also provided, only the interfaces using that ctx will be canceled.
+ */
+void ieee80211_dfs_cac_cancel(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx)
{
struct ieee80211_sub_if_data *sdata;
struct cfg80211_chan_def chandef;
+ struct ieee80211_link_data *link;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ unsigned int link_id;
lockdep_assert_wiphy(local->hw.wiphy);
list_for_each_entry(sdata, &local->interfaces, list) {
- wiphy_delayed_work_cancel(local->hw.wiphy,
- &sdata->dfs_cac_timer_work);
-
- if (sdata->wdev.cac_started) {
- chandef = sdata->vif.bss_conf.chanreq.oper;
- ieee80211_link_release_channel(&sdata->deflink);
- cfg80211_cac_event(sdata->dev,
- &chandef,
+ for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS;
+ link_id++) {
+ link = sdata_dereference(sdata->link[link_id],
+ sdata);
+ if (!link)
+ continue;
+
+ chanctx_conf = sdata_dereference(link->conf->chanctx_conf,
+ sdata);
+ if (ctx && &ctx->conf != chanctx_conf)
+ continue;
+
+ wiphy_delayed_work_cancel(local->hw.wiphy,
+ &link->dfs_cac_timer_work);
+
+ if (!sdata->wdev.links[link_id].cac_started)
+ continue;
+
+ chandef = link->conf->chanreq.oper;
+ ieee80211_link_release_channel(link);
+ cfg80211_cac_event(sdata->dev, &chandef,
NL80211_RADAR_CAC_ABORTED,
- GFP_KERNEL);
+ GFP_KERNEL, link_id);
}
}
}
@@ -3494,9 +3514,8 @@ void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy,
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, radar_detected_work);
- struct cfg80211_chan_def chandef = local->hw.conf.chandef;
+ struct cfg80211_chan_def chandef;
struct ieee80211_chanctx *ctx;
- int num_chanctx = 0;
lockdep_assert_wiphy(local->hw.wiphy);
@@ -3504,25 +3523,46 @@ void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy,
if (ctx->replace_state == IEEE80211_CHANCTX_REPLACES_OTHER)
continue;
- num_chanctx++;
+ if (!ctx->radar_detected)
+ continue;
+
+ ctx->radar_detected = false;
+
chandef = ctx->conf.def;
+
+ ieee80211_dfs_cac_cancel(local, ctx);
+ cfg80211_radar_event(local->hw.wiphy, &chandef, GFP_KERNEL);
}
+}
- ieee80211_dfs_cac_cancel(local);
+static void
+ieee80211_radar_mark_chan_ctx_iterator(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *chanctx_conf,
+ void *data)
+{
+ struct ieee80211_chanctx *ctx =
+ container_of(chanctx_conf, struct ieee80211_chanctx,
+ conf);
- if (num_chanctx > 1)
- /* XXX: multi-channel is not supported yet */
- WARN_ON(1);
- else
- cfg80211_radar_event(local->hw.wiphy, &chandef, GFP_KERNEL);
+ if (ctx->replace_state == IEEE80211_CHANCTX_REPLACES_OTHER)
+ return;
+
+ if (data && data != chanctx_conf)
+ return;
+
+ ctx->radar_detected = true;
}
-void ieee80211_radar_detected(struct ieee80211_hw *hw)
+void ieee80211_radar_detected(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *chanctx_conf)
{
struct ieee80211_local *local = hw_to_local(hw);
trace_api_radar_detected(local);
+ ieee80211_iter_chan_contexts_atomic(hw, ieee80211_radar_mark_chan_ctx_iterator,
+ chanctx_conf);
+
wiphy_work_queue(hw->wiphy, &local->radar_detected_work);
}
EXPORT_SYMBOL(ieee80211_radar_detected);
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