From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
To: Deren Wu <Deren.Wu@mediatek.com>
Cc: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
Soul Huang <Soul.Huang@mediatek.com>,
YN Chen <YN.Chen@mediatek.com>, Leon Yen <Leon.Yen@mediatek.com>,
Eric-SY Chang <Eric-SY.Chang@mediatek.com>,
KM Lin <km.lin@mediatek.com>,
Robin Chiu <robin.chiu@mediatek.com>,
CH Yeh <ch.yeh@mediatek.com>, Posh Sun <posh.sun@mediatek.com>,
Eric Liang <Eric.Liang@mediatek.com>,
Stella Chang <Stella.Chang@mediatek.com>,
Evelyn Tsai <evelyn.tsai@mediatek.com>,
Ryder Lee <ryder.lee@mediatek.com>,
Shayne Chen <shayne.chen@mediatek.com>,
linux-wireless <linux-wireless@vger.kernel.org>,
linux-mediatek <linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH] mt76: fix monitor rx FCS error in DFS channel
Date: Wed, 16 Mar 2022 16:15:36 +0100 [thread overview]
Message-ID: <YjH/GCCfQoZ5OPPM@localhost.localdomain> (raw)
In-Reply-To: <7243650f3d51b1919bd4fd0017ff8b0186149e54.1647421054.git.deren.wu@mediatek.com>
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> From: Deren Wu <deren.wu@mediatek.com>
>
> When setup monitor mode in DFS channel, mt76 send CH_SWITCH_DFS to
> fw for channel config. This would cause rx performance bad while
> monitoring frames. Settings CH_SWITCH_NORMAL in monitor mode would
> get the same performance as normal channels.
Hi Deren,
>
> Reviewed-by: Shayne Chen <shayne.chen@mediatek.com>
> Signed-off-by: Deren Wu <deren.wu@mediatek.com>
> ---
> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 3 ++-
> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 3 ++-
> drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 3 ++-
> 3 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> index 390add3144c2..97e2a85cb728 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> @@ -2151,7 +2151,8 @@ int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
> .center_chan2 = ieee80211_frequency_to_channel(freq2),
> };
>
> - if (cmd == MCU_EXT_CMD(SET_RX_PATH))
> + if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
> + dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
is this patch compliant with 802.11h DFS standard?
Regards,
Lorenzo
> req.switch_reason = CH_SWITCH_NORMAL;
> else if (phy->mt76->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
> req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> index 10dc4bf5adec..c56d48342aaf 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> @@ -2833,7 +2833,8 @@ int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
> }
> #endif
>
> - if (cmd == MCU_EXT_CMD(SET_RX_PATH))
> + if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
> + dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
> req.switch_reason = CH_SWITCH_NORMAL;
> else if (phy->mt76->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
> req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> index 5ef8b24f0ab3..da2be050ed7c 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> @@ -863,7 +863,8 @@ int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd)
> else
> req.channel_band = chandef->chan->band;
>
> - if (cmd == MCU_EXT_CMD(SET_RX_PATH))
> + if (cmd == MCU_EXT_CMD(SET_RX_PATH) ||
> + dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR)
> req.switch_reason = CH_SWITCH_NORMAL;
> else if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
> req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
> --
> 2.18.0
>
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next prev parent reply other threads:[~2022-03-16 17:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 9:51 [PATCH] mt76: fix monitor rx FCS error in DFS channel Deren Wu
2022-03-16 15:15 ` Lorenzo Bianconi [this message]
2022-03-17 7:02 ` Deren Wu
2022-03-17 9:03 ` Lorenzo Bianconi
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