Commit feb06d45 authored by Shayne Chen's avatar Shayne Chen Committed by Felix Fietkau
Browse files

wifi: mt76: mt7996: support fixed rate for link station 



Introduce mt7996_link_sta_add_debugfs() to extend fixed rate support for
MLO link station.

Co-developed-by: default avatarHoward Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: default avatarHoward Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: default avatarShayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20251106064203.1000505-4-shayne.chen@mediatek.com


Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 5d867658

drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c

+44 −28
Original line number Diff line number Diff line
@@ -953,16 +953,34 @@ bool mt7996_debugfs_rx_log(struct mt7996_dev *dev, const void *data, int len) 
#ifdef CONFIG_MAC80211_DEBUGFS

/** per-station debugfs **/



static ssize_t mt7996_sta_fixed_rate_set(struct file *file,

static int

mt7996_queues_show(struct seq_file *s, void *data)

{

	struct ieee80211_sta *sta = s->private;



	mt7996_sta_hw_queue_read(s, sta);



	return 0;

}



DEFINE_SHOW_ATTRIBUTE(mt7996_queues);



void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			    struct ieee80211_sta *sta, struct dentry *dir)

{

	debugfs_create_file("hw-queues", 0400, dir, sta, &mt7996_queues_fops);

}



static ssize_t mt7996_link_sta_fixed_rate_set(struct file *file,

					      const char __user *user_buf,

					      size_t count, loff_t *ppos)

{

#define SHORT_PREAMBLE 0

#define LONG_PREAMBLE 1

	struct ieee80211_sta *sta = file->private_data;

	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;

	struct ieee80211_link_sta *link_sta = file->private_data;

	struct mt7996_sta *msta = (struct mt7996_sta *)link_sta->sta->drv_priv;

	struct mt7996_dev *dev = msta->vif->deflink.phy->dev;

	struct mt7996_sta_link *msta_link = &msta->deflink;

	struct mt7996_sta_link *msta_link;

	struct ra_rate phy = {};

	char buf[100];

	int ret;
@@ -981,12 +999,13 @@ static ssize_t mt7996_sta_fixed_rate_set(struct file *file, 


	/* mode - cck: 0, ofdm: 1, ht: 2, gf: 3, vht: 4, he_su: 8, he_er: 9 EHT: 15

	 * bw - bw20: 0, bw40: 1, bw80: 2, bw160: 3, BW320: 4

	 * nss - vht: 1~4, he: 1~4, eht: 1~4, others: ignore

	 * mcs - cck: 0~4, ofdm: 0~7, ht: 0~32, vht: 0~9, he_su: 0~11, he_er: 0~2, eht: 0~13

	 * nss - vht: 1~4, he: 1~4, eht: 1~4, others: ignore

	 * gi - (ht/vht) lgi: 0, sgi: 1; (he) 0.8us: 0, 1.6us: 1, 3.2us: 2

	 * preamble - short: 1, long: 0

	 * ldpc - off: 0, on: 1

	 * stbc - off: 0, on: 1

	 * ldpc - off: 0, on: 1

	 * spe - off: 0, on: 1

	 * ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2

	 */

	if (sscanf(buf, "%hhu %hhu %hhu %hhu %hu %hhu %hhu %hhu %hhu %hu",
@@ -994,9 +1013,16 @@ static ssize_t mt7996_sta_fixed_rate_set(struct file *file, 
		   &phy.preamble, &phy.stbc, &phy.ldpc, &phy.spe, &ltf) != 10) {

		dev_warn(dev->mt76.dev,

			 "format: Mode BW MCS NSS GI Preamble STBC LDPC SPE ltf\n");

		goto out;

		return -EINVAL;

	}



	mutex_lock(&dev->mt76.mutex);



	msta_link = mt76_dereference(msta->link[link_sta->link_id], &dev->mt76);

	if (!msta_link) {

		ret = -EINVAL;

		goto out;

	}

	phy.wlan_idx = cpu_to_le16(msta_link->wcid.idx);

	phy.gi = cpu_to_le16(gi);

	phy.ltf = cpu_to_le16(ltf);
@@ -1005,36 +1031,26 @@ static ssize_t mt7996_sta_fixed_rate_set(struct file *file, 


	ret = mt7996_mcu_set_fixed_rate_ctrl(dev, &phy, 0);

	if (ret)

		return -EFAULT;

		goto out;



	ret = count;

out:

	return count;

	mutex_unlock(&dev->mt76.mutex);

	return ret;

}



static const struct file_operations fops_fixed_rate = {

	.write = mt7996_sta_fixed_rate_set,

	.write = mt7996_link_sta_fixed_rate_set,

	.open = simple_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static int

mt7996_queues_show(struct seq_file *s, void *data)

void mt7996_link_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

				 struct ieee80211_link_sta *link_sta,

				 struct dentry *dir)

{

	struct ieee80211_sta *sta = s->private;



	mt7996_sta_hw_queue_read(s, sta);



	return 0;

}



DEFINE_SHOW_ATTRIBUTE(mt7996_queues);



void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			    struct ieee80211_sta *sta, struct dentry *dir)

{

	debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);

	debugfs_create_file("hw-queues", 0400, dir, sta, &mt7996_queues_fops);

	debugfs_create_file("fixed_rate", 0600, dir, link_sta, &fops_fixed_rate);

}



#endif

drivers/net/wireless/mediatek/mt76/mt7996/main.c

+1 −0
Original line number Diff line number Diff line
@@ -2283,6 +2283,7 @@ const struct ieee80211_ops mt7996_ops = { 
	.twt_teardown_request = mt7996_twt_teardown_request,

#ifdef CONFIG_MAC80211_DEBUGFS

	.sta_add_debugfs = mt7996_sta_add_debugfs,

	.link_sta_add_debugfs = mt7996_link_sta_add_debugfs,

#endif

	.set_radar_background = mt7996_set_radar_background,

	.net_fill_forward_path = mt7996_net_fill_forward_path,

drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h

+3 −0
Original line number Diff line number Diff line
@@ -863,6 +863,9 @@ int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode); 
#ifdef CONFIG_MAC80211_DEBUGFS

void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			    struct ieee80211_sta *sta, struct dentry *dir);

void mt7996_link_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

				 struct ieee80211_link_sta *link_sta,

				 struct dentry *dir);

#endif

int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr,

			 bool hif2, int *irq);