admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

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

Co-developed-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20251106064203.1000505-4-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Shayne Chen
2025-11-06 14:41:55 +08:00
committed by Felix Fietkau
parent 5d86765828
commit feb06d4556
3 changed files with 48 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
View File

@@ -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,
const char __user *user_buf,
size_t count, loff_t *ppos)
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

1
drivers/net/wireless/mediatek/mt76/mt7996/main.c
View File

@@ -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,

3
drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
View File

@@ -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);