diff options
| author |   Felix Fietkau <nbd@nbd.name> | 2019-03-03 19:40:36 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2019-03-07 12:50:23 +0100 |
| commit | 643749d4a82b150afd2f87b29ca3dda885f8e384 (patch) | |
| tree | 0a69a3d81bf1e0cdad8805e8e241202cd2f787aa /drivers/net/wireless | |
| parent | mt76: when releasing PS frames, end the service period if no frame was found (diff) | |
| download | linux-dev-643749d4a82b150afd2f87b29ca3dda885f8e384.tar.xz linux-dev-643749d4a82b150afd2f87b29ca3dda885f8e384.zip | |
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c | 3 |
3 files changed, 30 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h index 42cc9da68f7b..b5a36d9fb2bd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h @@ -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; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c index 7580c5c986ff..b1d6fd4861e3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c @@ -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, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c index e4649103efd4..17d12d212d1b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c @@ -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; |