From 89bc67e3a93ae6199ae02c9e4fe41833da9ba368 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 20 May 2018 07:43:45 +0200 Subject: [PATCH] mt76: only stop tx queues on offchannel, not during the entire scan During scans, mac80211 frequently switches back to the home channel to minimize interruption of ongoing traffic. Keep regular tx queues active during that time. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/mediatek/mt76/mac80211.c | 5 +++++ drivers/net/wireless/mediatek/mt76/mt76.h | 1 + drivers/net/wireless/mediatek/mt76/tx.c | 4 ++-- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 915e61733131..d862e5efd094 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -366,6 +366,11 @@ void mt76_set_channel(struct mt76_dev *dev) struct mt76_channel_state *state; bool offchannel = hw->conf.flags & IEEE80211_CONF_OFFCHANNEL; + if (offchannel) + set_bit(MT76_OFFCHANNEL, &dev->state); + else + clear_bit(MT76_OFFCHANNEL, &dev->state); + if (dev->drv->update_survey) dev->drv->update_survey(dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index a74e6eef51e9..2d098fac6147 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -189,6 +189,7 @@ enum { MT76_STATE_RUNNING, MT76_SCANNING, MT76_RESET, + MT76_OFFCHANNEL, }; struct mt76_hw_cap { diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 7ecd2d7c5db4..e96956710fb2 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -332,7 +332,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq, if (probe) break; - if (test_bit(MT76_SCANNING, &dev->state) || + if (test_bit(MT76_OFFCHANNEL, &dev->state) || test_bit(MT76_RESET, &dev->state)) return -EBUSY; @@ -385,7 +385,7 @@ restart: bool empty = false; int cur; - if (test_bit(MT76_SCANNING, &dev->state) || + if (test_bit(MT76_OFFCHANNEL, &dev->state) || test_bit(MT76_RESET, &dev->state)) return -EBUSY; -- 2.11.0