1 files changed, 230 insertions, 34 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index e8b881596baf..fbe4e4a50852 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
@@ -221,7 +221,7 @@ static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
 				 mvmvif->deflink.queue_params[i].uapsd);
 
 	if (vif->type == NL80211_IFTYPE_STATION &&
-	    ap_sta_id != IWL_MVM_INVALID_STA) {
+	    ap_sta_id != IWL_INVALID_STA) {
 		struct iwl_mvm_sta *mvm_sta;
 
 		mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id);
@@ -381,9 +381,9 @@ static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf,
 	mutex_lock(&mvm->mutex);
 	iwl_dbgfs_update_bf(vif, param, value);
 	if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value)
-		ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
+		ret = iwl_mvm_disable_beacon_filter(mvm, vif);
 	else
-		ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
+		ret = iwl_mvm_enable_beacon_filter(mvm, vif);
 	mutex_unlock(&mvm->mutex);
 
 	return ret ?: count;
@@ -407,7 +407,7 @@ static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
 	};
 
 	iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
-	if (mvmvif->bf_data.bf_enabled)
+	if (mvmvif->bf_enabled)
 		cmd.bf_enable_beacon_filter = cpu_to_le32(1);
 	else
 		cmd.bf_enable_beacon_filter = 0;
@@ -463,11 +463,13 @@ static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
-static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
-					   size_t count, loff_t *ppos)
+static ssize_t
+iwl_dbgfs_low_latency_write_handle(struct wiphy *wiphy, struct file *file,
+				   char *buf, size_t count, void *data)
 {
-	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-	struct iwl_mvm *mvm = mvmvif->mvm;
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+	struct ieee80211_vif *vif = data;
 	u8 value;
 	int ret;
 
@@ -484,12 +486,28 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
 	return count;
 }
 
-static ssize_t
-iwl_dbgfs_low_latency_force_write(struct ieee80211_vif *vif, char *buf,
-				  size_t count, loff_t *ppos)
+static ssize_t iwl_dbgfs_low_latency_write(struct file *file,
+					   const char __user *user_buf,
+					   size_t count, loff_t *ppos)
 {
+	struct ieee80211_vif *vif = file->private_data;
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct iwl_mvm *mvm = mvmvif->mvm;
+	char buf[10] = {};
+
+	return wiphy_locked_debugfs_write(mvm->hw->wiphy, file,
+					  buf, sizeof(buf), user_buf, count,
+					  iwl_dbgfs_low_latency_write_handle,
+					  vif);
+}
+
+static ssize_t
+iwl_dbgfs_low_latency_force_write_handle(struct wiphy *wiphy, struct file *file,
+					 char *buf, size_t count, void *data)
+{
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+	struct ieee80211_vif *vif = data;
 	u8 value;
 	int ret;
 
@@ -517,6 +535,22 @@ iwl_dbgfs_low_latency_force_write(struct ieee80211_vif *vif, char *buf,
 	return count;
 }
 
+static ssize_t
+iwl_dbgfs_low_latency_force_write(struct file *file,
+				  const char __user *user_buf,
+				  size_t count, loff_t *ppos)
+{
+	struct ieee80211_vif *vif = file->private_data;
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	char buf[10] = {};
+
+	return wiphy_locked_debugfs_write(mvm->hw->wiphy, file,
+					  buf, sizeof(buf), user_buf, count,
+					  iwl_dbgfs_low_latency_force_write_handle,
+					  vif);
+}
+
 static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
 					  char __user *user_buf,
 					  size_t count, loff_t *ppos)
@@ -578,34 +612,47 @@ static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct iwl_mvm *mvm = mvmvif->mvm;
-	struct ieee80211_chanctx_conf *chanctx_conf;
-	struct iwl_mvm_phy_ctxt *phy_ctxt;
+	struct ieee80211_bss_conf *link_conf;
 	u16 value;
-	int ret;
+	int link_id, ret = -EINVAL;
 
 	ret = kstrtou16(buf, 0, &value);
 	if (ret)
 		return ret;
 
 	mutex_lock(&mvm->mutex);
-	rcu_read_lock();
 
-	chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf);
-	/* make sure the channel context is assigned */
-	if (!chanctx_conf) {
+	mvm->dbgfs_rx_phyinfo = value;
+
+	for_each_vif_active_link(vif, link_conf, link_id) {
+		struct ieee80211_chanctx_conf *chanctx_conf;
+		struct cfg80211_chan_def min_def, ap_def;
+		struct iwl_mvm_phy_ctxt *phy_ctxt;
+		u8 chains_static, chains_dynamic;
+
+		rcu_read_lock();
+		chanctx_conf = rcu_dereference(link_conf->chanctx_conf);
+		if (!chanctx_conf) {
+			rcu_read_unlock();
+			continue;
+		}
+		/* A command can't be sent with RCU lock held, so copy
+		 * everything here and use it after unlocking
+		 */
+		min_def = chanctx_conf->min_def;
+		ap_def = chanctx_conf->ap;
+		chains_static = chanctx_conf->rx_chains_static;
+		chains_dynamic = chanctx_conf->rx_chains_dynamic;
 		rcu_read_unlock();
-		mutex_unlock(&mvm->mutex);
-		return -EINVAL;
-	}
 
-	phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
-	rcu_read_unlock();
+		phy_ctxt = mvmvif->link[link_id]->phy_ctxt;
+		if (!phy_ctxt)
+			continue;
 
-	mvm->dbgfs_rx_phyinfo = value;
+		ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &min_def, &ap_def,
+					       chains_static, chains_dynamic);
+	}
 
-	ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
-				       chanctx_conf->rx_chains_static,
-				       chanctx_conf->rx_chains_dynamic);
 	mutex_unlock(&mvm->mutex);
 
 	return ret ?: count;
@@ -679,6 +726,132 @@ static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
+static ssize_t iwl_dbgfs_max_tx_op_write(struct ieee80211_vif *vif, char *buf,
+					 size_t count, loff_t *ppos)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	u16 value;
+	int ret;
+
+	ret = kstrtou16(buf, 0, &value);
+	if (ret)
+		return ret;
+
+	mutex_lock(&mvm->mutex);
+	mvmvif->max_tx_op = value;
+	mutex_unlock(&mvm->mutex);
+
+	return count;
+}
+
+static ssize_t iwl_dbgfs_max_tx_op_read(struct file *file,
+					char __user *user_buf,
+					size_t count, loff_t *ppos)
+{
+	struct ieee80211_vif *vif = file->private_data;
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	char buf[10];
+	int len;
+
+	mutex_lock(&mvm->mutex);
+	len = scnprintf(buf, sizeof(buf), "%hu\n", mvmvif->max_tx_op);
+	mutex_unlock(&mvm->mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif,
+					    char *buf, size_t count,
+					    loff_t *ppos)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	u32 action;
+	int ret;
+
+	if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif))
+		return -EINVAL;
+
+	if (kstrtou32(buf, 0, &action))
+		return -EINVAL;
+
+	mutex_lock(&mvm->mutex);
+
+	if (!action) {
+		ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false);
+	} else if (action == 1) {
+		ret = iwl_mvm_int_mlo_scan(mvm, vif);
+	} else {
+		ret = -EINVAL;
+	}
+
+	mutex_unlock(&mvm->mutex);
+
+	return ret ?: count;
+}
+
+static ssize_t iwl_dbgfs_esr_disable_reason_read(struct file *file,
+						 char __user *user_buf,
+						 size_t count, loff_t *ppos)
+{
+	struct ieee80211_vif *vif = file->private_data;
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	unsigned long esr_mask;
+	char *buf;
+	int bufsz, pos, i;
+	ssize_t rv;
+
+	mutex_lock(&mvm->mutex);
+	esr_mask = mvmvif->esr_disable_reason;
+	mutex_unlock(&mvm->mutex);
+
+	bufsz = hweight32(esr_mask) * 32 + 40;
+	buf = kmalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	pos = scnprintf(buf, bufsz, "EMLSR state: '0x%lx'\nreasons:\n",
+			esr_mask);
+	for_each_set_bit(i, &esr_mask, BITS_PER_LONG)
+		pos += scnprintf(buf + pos, bufsz - pos, " - %s\n",
+				 iwl_get_esr_state_string(BIT(i)));
+
+	rv = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return rv;
+}
+
+static ssize_t iwl_dbgfs_esr_disable_reason_write(struct ieee80211_vif *vif,
+						  char *buf, size_t count,
+						  loff_t *ppos)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm *mvm = mvmvif->mvm;
+	u32 reason;
+	u8 block;
+	int ret;
+
+	ret = sscanf(buf, "%u %hhu", &reason, &block);
+	if (ret < 0)
+		return ret;
+
+	if (hweight16(reason) != 1 || !(reason & IWL_MVM_BLOCK_ESR_REASONS))
+		return -EINVAL;
+
+	mutex_lock(&mvm->mutex);
+	if (block)
+		iwl_mvm_block_esr(mvm, vif, reason,
+				  iwl_mvm_get_primary_link(vif));
+	else
+		iwl_mvm_unblock_esr(mvm, vif, reason);
+	mutex_unlock(&mvm->mutex);
+
+	return count;
+}
+
 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
 	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@@ -692,12 +865,27 @@ MVM_DEBUGFS_READ_FILE_OPS(mac_params);
 MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
-MVM_DEBUGFS_WRITE_FILE_OPS(low_latency_force, 10);
+
+static const struct file_operations iwl_dbgfs_low_latency_ops = {
+	.write = iwl_dbgfs_low_latency_write,
+	.read = iwl_dbgfs_low_latency_read,
+	.open = simple_open,
+	.llseek = generic_file_llseek,
+};
+
+static const struct file_operations iwl_dbgfs_low_latency_force_ops = {
+	.write = iwl_dbgfs_low_latency_force_write,
+	.open = simple_open,
+	.llseek = generic_file_llseek,
+};
+
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
 MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(max_tx_op, 10);
+MVM_DEBUGFS_WRITE_FILE_OPS(int_mlo_scan, 32);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(esr_disable_reason, 32);
 
 void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
@@ -725,6 +913,11 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, 0600);
 	MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, 0600);
 	MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff, mvmvif->dbgfs_dir, 0400);
+	MVM_DEBUGFS_ADD_FILE_VIF(max_tx_op, mvmvif->dbgfs_dir, 0600);
+	debugfs_create_bool("ftm_unprotected", 0200, mvmvif->dbgfs_dir,
+			    &mvmvif->ftm_unprotected);
+	MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200);
+	MVM_DEBUGFS_ADD_FILE_VIF(esr_disable_reason, mvmvif->dbgfs_dir, 0600);
 
 	if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
 	    mvmvif == mvm->bf_allowed_vif)
@@ -735,7 +928,9 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	struct dentry *dbgfs_dir = vif->debugfs_dir;
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-	char buf[100];
+	char buf[3 * 3 + 11 + (NL80211_WIPHY_NAME_MAXLEN + 1) +
+		 (7 + IFNAMSIZ + 1) + 6 + 1];
+	char name[7 + IFNAMSIZ + 1];
 
 	/* this will happen in monitor mode */
 	if (!dbgfs_dir)
@@ -748,10 +943,11 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 	 * find
 	 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
 	 */
-	snprintf(buf, 100, "../../../%pd3/iwlmvm", dbgfs_dir);
+	snprintf(name, sizeof(name), "%pd", dbgfs_dir);
+	snprintf(buf, sizeof(buf), "../../../%pd3/iwlmvm", dbgfs_dir);
 
-	mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
-						     mvm->debugfs_dir, buf);
+	mvmvif->dbgfs_slink =
+		debugfs_create_symlink(name, mvm->debugfs_dir, buf);
 }
 
 void iwl_mvm_vif_dbgfs_rm_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)