| Message ID | 54c9a89210608d2a9b9adf37a8c2a743275e5723.1630081048.git.chad@monroe.io (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] mt76: mt7615: fix STA mode connection on DFS channels | expand |
> Only AP, adhoc and mesh mode needs to check CAC. > Stations, in particular, do not need this check. > > Signed-off-by: Rubio Lu <Rubio-DW.Lu@mediatek.com> > Signed-off-by: Ben Greear <greearb@candelatech.com> > Signed-off-by: Chad Monroe <chad@monroe.io> > --- > .../net/wireless/mediatek/mt76/mt7615/mac.c | 38 +++++++++++++++++-- > 1 file changed, 35 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c > index ed1bba42a322..78b55e872da0 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c > +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c > @@ -2153,6 +2153,32 @@ static int mt7615_dfs_start_radar_detector(struct mt7615_phy *phy) > return 0; > } > > +struct mt7615_vif_counts { > + u32 mesh; > + u32 adhoc; > + u32 ap; I think u8 it is enough here. Moreover I think we can just count dfs_vif, what do you think? > +}; > + > +static void > +mt7615_vif_counts(void *priv, u8 *mac, struct ieee80211_vif *vif) > +{ > + struct mt7615_vif_counts *counts = priv; > + > + switch (vif->type) { > + case NL80211_IFTYPE_ADHOC: > + counts->adhoc++; > + break; > + case NL80211_IFTYPE_MESH_POINT: > + counts->mesh++; > + break; > + case NL80211_IFTYPE_AP: > + counts->ap++; > + break; > + default: > + break; > + } > +} > + > static int > mt7615_dfs_init_radar_specs(struct mt7615_phy *phy) > { > @@ -2196,6 +2222,7 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy) > struct mt7615_dev *dev = phy->dev; > bool ext_phy = phy != &dev->phy; > int err; > + struct mt7615_vif_counts counts = {0}; > > if (is_mt7663(&dev->mt76)) > return 0; > @@ -2223,9 +2250,14 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy) > phy->dfs_state = chandef->chan->dfs_state; > > if (chandef->chan->flags & IEEE80211_CHAN_RADAR) { > - if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) > - return mt7615_dfs_start_radar_detector(phy); > - > + if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) { > + ieee80211_iterate_active_interfaces(phy->mt76->hw, > + IEEE80211_IFACE_ITER_RESUME_ALL, > + mt7615_vif_counts, &counts); > + if (counts.ap + counts.adhoc + counts.mesh) > + mt7615_dfs_start_radar_detector(phy); here we are not considering the return value of mt7615_dfs_start_radar_detector() Regards, Lorenzo > + return 0; > + } > return mt7615_mcu_rdd_cmd(dev, RDD_CAC_END, ext_phy, > MT_RX_SEL0, 0); > } > -- > 2.20.1 >
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index ed1bba42a322..78b55e872da0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -2153,6 +2153,32 @@ static int mt7615_dfs_start_radar_detector(struct mt7615_phy *phy) return 0; } +struct mt7615_vif_counts { + u32 mesh; + u32 adhoc; + u32 ap; +}; + +static void +mt7615_vif_counts(void *priv, u8 *mac, struct ieee80211_vif *vif) +{ + struct mt7615_vif_counts *counts = priv; + + switch (vif->type) { + case NL80211_IFTYPE_ADHOC: + counts->adhoc++; + break; + case NL80211_IFTYPE_MESH_POINT: + counts->mesh++; + break; + case NL80211_IFTYPE_AP: + counts->ap++; + break; + default: + break; + } +} + static int mt7615_dfs_init_radar_specs(struct mt7615_phy *phy) { @@ -2196,6 +2222,7 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy) struct mt7615_dev *dev = phy->dev; bool ext_phy = phy != &dev->phy; int err; + struct mt7615_vif_counts counts = {0}; if (is_mt7663(&dev->mt76)) return 0; @@ -2223,9 +2250,14 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy) phy->dfs_state = chandef->chan->dfs_state; if (chandef->chan->flags & IEEE80211_CHAN_RADAR) { - if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) - return mt7615_dfs_start_radar_detector(phy); - + if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) { + ieee80211_iterate_active_interfaces(phy->mt76->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7615_vif_counts, &counts); + if (counts.ap + counts.adhoc + counts.mesh) + mt7615_dfs_start_radar_detector(phy); + return 0; + } return mt7615_mcu_rdd_cmd(dev, RDD_CAC_END, ext_phy, MT_RX_SEL0, 0); }