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Originally, MCC just took periodic NoA into account. When the connected GO
announces non-periodic NoA and GC side is during MCC, sometimes GC cannot
receive beacons well if the MCC scheduling conflicts with the non-periodic
NoA planning. After the loss exceeds the tolerable amount, beacon filter
will report connection loss. However, in this case, the loss is acceptable.
So now, MCC will calculate the range of non-periodic NoA. And then, don't
care beacon loss during the range.
Besides, rtw89_mcc_fill_role_limit() only makes sense for GC. Remove the
redundant check of GO.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-6-pkshih@realtek.com
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Firmware can only support PS on single one VIF operating in station mode,
so argument of PS entry rtw89_enter_lps() should be rtwvif insetad of
rtwvif_link.
To enter PS under MLO, for each rtwvif, driver sends H2C command to tell
firmware which mac_id will enter PS one by one, and afterward asks
firmware to enter deep PS.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20241206055716.18598-2-pkshih@realtek.com
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Tweak code to not always access vif->bss_conf directly. Instead,
according to link_id, read target bss_conf from vif->link_conf[].
For now, rtwvif_link->link_id keeps 0. When driver starts to
support MLO, the link_id will be assigned.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240916053158.47350-4-pkshih@realtek.com
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This is an intermediate version that is separated from subsequent major
MLO changes, so some functions' namings are not really determined here.
e.g. struct rtw89_vif_link *vif_to_rtwvif_safe(struct ieee80211_vif *vif)
No logic is changed.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240916053158.47350-2-pkshih@realtek.com
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We add a scanning check to avoid entering IPS after ROC (remain on
channel) during scanning. Additionally, When P2P scanning, the flow is
`1. p2p_listen step` and `2. configure filter` and `3. p2p_scan starts`
in wpas, but in kernel, cfg80211 uses another workqueue to notify driver
the filter change, so sometimes we see (1 > 3 > 2), that will cause Rx
filter related to scan to be cleared. Therefore, we add a scanning check
when configure filter to avoid scan results to be filtered. Finally, we
cancel the ROC delayed workqueue before entering ROC to avoid entering
twice, which might cause leaving ROC too early.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231129070046.18443-4-pkshih@realtek.com
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Callers call renew function when wanting to generate a new P2P NoA
information element, and call append function to append NoA attribute
one by one. Then, updating beacon work will fetch the P2P NoA information
element configured by callers and add it to beacon.
The use case of MCC (multi-channel concurrent) <GO + STA> for example:
* start MCC - GO part
renew P2P NoA
append period NoA after calculation
* download beacon for GO
fetch P2P NoA and add to beacon content
* stop MCC - GO part
renew P2P NoA (reset)
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230816082133.57474-6-pkshih@realtek.com
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This driver relies on IEEE80211_CONF_PS of hw->conf.flags to turn off PS or
turn on dynamic PS controlled by driver and firmware. Though this would be
incorrect, it did work before because the flag is always recalculated until
the commit 28977e790b5d ("wifi: mac80211: skip powersave recalc if driver SUPPORTS_DYNAMIC_PS")
is introduced by kernel 5.20 to skip to recalculate IEEE80211_CONF_PS
of hw->conf.flags if driver sets SUPPORTS_DYNAMIC_PS.
Correct this by doing recalculation while BSS_CHANGED_PS is changed and
interface is added or removed. For now, it is allowed to enter PS only if
single one station vif is working, and it could possible to have PS per
vif after firmware can support it. Without this fix, driver doesn't
enter PS anymore that causes higher power consumption.
Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")
Cc: stable@vger.kernel.org # 6.1+
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230527082939.11206-3-pkshih@realtek.com
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In WoWLAN Mode, it's expected that WiFi chip could enter power save mode
only after all setting is finished, but current wow_enter_lps function
break the rule and may lead to WoWLAN function fail in low probability,
so fix it.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230410053438.10682-2-pkshih@realtek.com
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Add support of remain on channel ops. Since channel context is
required to enable multi-channel concurrent(MCC) and the current
ROC in mac80211 don't support more than 1 channel context, add this
to let P2P and other protocols relying on this work as expected.
The off-channel duration and cancel timing is purely controlled by
upper layers.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230411124832.14965-4-pkshih@realtek.com
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WoWLAN is a feature which allows devices to be woken up from suspend
state through WLAN events.
When user enables WoWLAN feature and then let the device enter suspend
state, WoWLAN firmware will be loaded by the driver and periodically
monitors WiFi packets. Power consumption of WiFi chip will be reduced
in this state.
We now implement WoWLAN function in rtw8852ae and rtw8852ce chip.
Currently supported WLAN events include receiving magic packet,
rekey packet and deauth packet, and disconnecting from AP.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221027052707.14605-7-pkshih@realtek.com
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Support P2P client to process Notice of Absence (NoA) mechanism when it
connects with P2P GO applying an NoA schedule. We define some action
types including init, update, remove and terminate in h2c function to
enable/disable NoA schedule.
Signed-off-by: Dian-Syuan Yang <dian_syuan0116@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220922010435.12167-6-pkshih@realtek.com
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Consider vif->p2p to set wifi_role to let firmware know current vif is
running as GC or GO. And, allow GC to enter PS mode, but disallow to enter
deep PS for now.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220922010435.12167-4-pkshih@realtek.com
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This driver named rtw89, which is the next generation of rtw88, supports
Realtek 8852AE 802.11ax 2x2 chip whose new features are OFDMA, DBCC,
Spatial reuse, TWT and BSS coloring; now some of them aren't implemented
though.
The chip architecture is entirely different from the chips supported by
rtw88 like RTL8822CE 802.11ac chip. First of all, register address ranges
are totally redefined, so it's impossible to reuse register definition. To
communicate with firmware, new H2C/C2H format is proposed. In order to have
better utilization, TX DMA flow is changed to two stages DMA. To provide
rich RX status information, additional RX PPDU packets are added.
Since there are so many differences mentioned above, we decide to propose
a new driver. It has many authors, they are listed in alphabetic order:
Chin-Yen Lee <timlee@realtek.com>
Ping-Ke Shih <pkshih@realtek.com>
Po Hao Huang <phhuang@realtek.com>
Tzu-En Huang <tehuang@realtek.com>
Vincent Fann <vincent_fann@realtek.com>
Yan-Hsuan Chuang <tony0620emma@gmail.com>
Zong-Zhe Yang <kevin_yang@realtek.com>
Tested-by: Aaron Ma <aaron.ma@canonical.com>
Tested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211008035627.19463-1-pkshih@realtek.com
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