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mt76: mt76x02: disable ED/CCA by default 

This feature has been reported to cause stability issues on several systems.
Disable it until it has been fixed and verified. It can still be enabled
through debugfs

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-03-03 19:40:36 +01:00
parent ffc9a7ff59
commit 643749d4a8
3 changed files with 30 additions and 1 deletions
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1
drivers/net/wireless/mediatek/mt76/mt76x02.h
View File

@ -118,6 +118,7 @@ struct mt76x02_dev {
unsigned long ed_trigger_timeout;
bool ed_tx_blocked;
bool ed_monitor;
u8 ed_monitor_enabled;
u8 ed_monitor_learning;
u8 ed_trigger;
u8 ed_silent;

27
drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
View File

@ -116,6 +116,32 @@ static int read_agc(struct seq_file *file, void *data)
return 0;
}
static int
mt76_edcca_set(void *data, u64 val)
{
struct mt76x02_dev *dev = data;
enum nl80211_dfs_regions region = dev->dfs_pd.region;
dev->ed_monitor_enabled = !!val;
dev->ed_monitor = dev->ed_monitor_enabled &&
region == NL80211_DFS_ETSI;
mt76x02_edcca_init(dev, true);
return 0;
}
static int
mt76_edcca_get(void *data, u64 *val)
{
struct mt76x02_dev *dev = data;
*val = dev->ed_monitor_enabled;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
"%lld\n");
void mt76x02_init_debugfs(struct mt76x02_dev *dev)
{
struct dentry *dir;
@ -127,6 +153,7 @@ void mt76x02_init_debugfs(struct mt76x02_dev *dev)
debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
debugfs_create_file("edcca", 0400, dir, dev, &fops_edcca);
debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,

3
drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
View File

@ -885,7 +885,8 @@ mt76x02_dfs_set_domain(struct mt76x02_dev *dev,
if (dfs_pd->region != region) {
tasklet_disable(&dfs_pd->dfs_tasklet);
dev->ed_monitor = region == NL80211_DFS_ETSI;
dev->ed_monitor = dev->ed_monitor_enabled &&
region == NL80211_DFS_ETSI;
mt76x02_edcca_init(dev, true);
dfs_pd->region = region;