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-rw-r--r--drivers/net/wireless/ath/ath10k/debug.c4
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c2
-rw-r--r--drivers/net/wireless/ath/ath10k/wmi.c2
-rw-r--r--drivers/net/wireless/ath/ath11k/wmi.c2
-rw-r--r--drivers/net/wireless/ath/ath12k/wmi.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/dfs.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/dfs_debug.c2
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7615/mcu.c2
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c4
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7915/mcu.c2
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7996/mcu.c2
-rw-r--r--drivers/net/wireless/ti/wl18xx/event.c2
-rw-r--r--drivers/net/wireless/virtual/mac80211_hwsim.c2
-rw-r--r--include/net/mac80211.h5
-rw-r--r--net/mac80211/chan.c1
-rw-r--r--net/mac80211/ieee80211_i.h5
-rw-r--r--net/mac80211/pm.c2
-rw-r--r--net/mac80211/util.c52
18 files changed, 66 insertions, 29 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index b93a64bf8190..35bfe7232e95 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -3,7 +3,7 @@
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/module.h>
@@ -1774,7 +1774,7 @@ static ssize_t ath10k_write_simulate_radar(struct file *file,
if (!arvif->is_started)
return -EINVAL;
- ieee80211_radar_detected(ar->hw);
+ ieee80211_radar_detected(ar->hw, NULL);
return count;
}
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index a5da32e87106..646e1737d4c4 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1437,7 +1437,7 @@ static void ath10k_recalc_radar_detection(struct ath10k *ar)
* by indicating that radar was detected.
*/
ath10k_warn(ar, "failed to start CAC: %d\n", ret);
- ieee80211_radar_detected(ar->hw);
+ ieee80211_radar_detected(ar->hw, NULL);
}
}
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index fe2344598364..4861179b2217 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -3990,7 +3990,7 @@ static void ath10k_radar_detected(struct ath10k *ar)
if (ar->dfs_block_radar_events)
ath10k_info(ar, "DFS Radar detected, but ignored as requested\n");
else
- ieee80211_radar_detected(ar->hw);
+ ieee80211_radar_detected(ar->hw, NULL);
}
static void ath10k_radar_confirmation_work(struct work_struct *work)
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 2662092ee00a..87abfa547529 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -8358,7 +8358,7 @@ ath11k_wmi_pdev_dfs_radar_detected_event(struct ath11k_base *ab, struct sk_buff
if (ar->dfs_block_radar_events)
ath11k_info(ab, "DFS Radar detected, but ignored as requested\n");
else
- ieee80211_radar_detected(ar->hw);
+ ieee80211_radar_detected(ar->hw, NULL);
exit:
rcu_read_unlock();
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index a76413320dbf..2cd3ff9b0164 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -6789,7 +6789,7 @@ ath12k_wmi_pdev_dfs_radar_detected_event(struct ath12k_base *ab, struct sk_buff
if (ar->dfs_block_radar_events)
ath12k_info(ab, "DFS Radar detected, but ignored as requested\n");
else
- ieee80211_radar_detected(ath12k_ar_to_hw(ar));
+ ieee80211_radar_detected(ath12k_ar_to_hw(ar), NULL);
exit:
rcu_read_unlock();
diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index 11349218bc21..3689e12db9f7 100644
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -280,7 +280,7 @@ ath9k_dfs_process_radar_pulse(struct ath_softc *sc, struct pulse_event *pe)
if (!pd->add_pulse(pd, pe, NULL))
return;
DFS_STAT_INC(sc, radar_detected);
- ieee80211_radar_detected(sc->hw);
+ ieee80211_radar_detected(sc->hw, NULL);
}
/*
diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c
index 8e18e9b4ef48..426caa057396 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_debug.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c
@@ -116,7 +116,7 @@ static ssize_t write_file_simulate_radar(struct file *file,
{
struct ath_softc *sc = file->private_data;
- ieee80211_radar_detected(sc->hw);
+ ieee80211_radar_detected(sc->hw, NULL);
return count;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index d50d967828be..53c8ebe179dd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -394,7 +394,7 @@ mt7615_mcu_rx_radar_detected(struct mt7615_dev *dev, struct sk_buff *skb)
if (mt76_phy_dfs_state(mphy) < MT_DFS_STATE_CAC)
return;
- ieee80211_radar_detected(mphy->hw);
+ ieee80211_radar_detected(mphy->hw, NULL);
dev->hw_pattern++;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
index 024a5c0a5a57..7a07636d09c6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
@@ -630,7 +630,7 @@ static void mt76x02_dfs_tasklet(struct tasklet_struct *t)
radar_detected = mt76x02_dfs_check_detection(dev);
if (radar_detected) {
/* sw detector rx radar pattern */
- ieee80211_radar_detected(dev->mt76.hw);
+ ieee80211_radar_detected(dev->mt76.hw, NULL);
mt76x02_dfs_detector_reset(dev);
return;
@@ -658,7 +658,7 @@ static void mt76x02_dfs_tasklet(struct tasklet_struct *t)
/* hw detector rx radar pattern */
dfs_pd->stats[i].hw_pattern++;
- ieee80211_radar_detected(dev->mt76.hw);
+ ieee80211_radar_detected(dev->mt76.hw, NULL);
mt76x02_dfs_detector_reset(dev);
return;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 2185cd24e2e1..5f180851060d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -293,7 +293,7 @@ mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
&dev->rdd2_chandef,
GFP_ATOMIC);
else
- ieee80211_radar_detected(mphy->hw);
+ ieee80211_radar_detected(mphy->hw, NULL);
dev->hw_pattern++;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index 2e4fa9f48dfb..f8921546a5e6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -371,7 +371,7 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
&dev->rdd2_chandef,
GFP_ATOMIC);
else
- ieee80211_radar_detected(mphy->hw);
+ ieee80211_radar_detected(mphy->hw, NULL);
dev->hw_pattern++;
}
diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c
index 34d95f458e1a..a9f090e15cbb 100644
--- a/drivers/net/wireless/ti/wl18xx/event.c
+++ b/drivers/net/wireless/ti/wl18xx/event.c
@@ -142,7 +142,7 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl)
wl18xx_radar_type_decode(mbox->radar_type));
if (!wl->radar_debug_mode)
- ieee80211_radar_detected(wl->hw);
+ ieee80211_radar_detected(wl->hw, NULL);
}
if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c
index 5fe9e4e26142..f0e528abb1b4 100644
--- a/drivers/net/wireless/virtual/mac80211_hwsim.c
+++ b/drivers/net/wireless/virtual/mac80211_hwsim.c
@@ -1146,7 +1146,7 @@ static int hwsim_write_simulate_radar(void *dat, u64 val)
{
struct mac80211_hwsim_data *data = dat;
- ieee80211_radar_detected(data->hw);
+ ieee80211_radar_detected(data->hw, NULL);
return 0;
}
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index adfec877f392..954dff901b69 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6748,8 +6748,11 @@ void ieee80211_cqm_beacon_loss_notify(struct ieee80211_vif *vif, gfp_t gfp);
* ieee80211_radar_detected - inform that a radar was detected
*
* @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @chanctx_conf: Channel context on which radar is detected. Mandatory to
+ * pass a valid pointer during MLO. For non-MLO %NULL can be passed
*/
-void ieee80211_radar_detected(struct ieee80211_hw *hw);
+void ieee80211_radar_detected(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *chanctx_conf);
/**
* ieee80211_chswitch_done - Complete channel switch process
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 9c2c826ef90c..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 {
@@ -2649,7 +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/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/util.c b/net/mac80211/util.c
index 2e37d2639074..f94faa86ba8a 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3467,11 +3467,16 @@ 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);
@@ -3484,6 +3489,11 @@ void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
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);
@@ -3504,9 +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);
@@ -3514,25 +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);
generated by cgit (git 2.34.1) at 2025-05-12 04:26:29 +0000