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Lorenzo BianconiandFelix Fietkau a369b0c14d wifi: mt76: mt7996: Add mt7996_sta_link to mt7996_mcu_add_bss_info signature 
This is a preliminary patch to introduce MLO support for MT996 driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau 9b4de3ce7f wifi: mt76: mt7996: rework mt7996_sta_set_4addr and mt7996_sta_set_decap_offload to support MLO 
Rework mt7996_sta_set_4addr and mt7996_sta_set_decap_offload routines in
order to properly support multi-link. This is a preliminary patch to enable
MLO for MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau 87c437fa8b wifi: mt76: mt7996: rework mt7996_rx_get_wcid to support MLO 
The wcid idx and band idx in the TXS are sometimes mismatched since the
FW will select a transmission link according to a private algorithm.
That is, the wcid idx in the TXS would be the one registered by the
driver rather than the actual wcid idx used during transmission.
However, the band idx in the TXS is the band select for transmission.
Therefore, we should get the driver-registered wcid in order
to notify the driver the packet has been acked; otherwise,
the driver will be unable to match the transmitted packet and its TXS.
This is a preliminary patch to enable MLO for MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau 21aa0c2884 wifi: mt76: mt7996: Rely on wcid_to_sta in mt7996_mac_add_txs_skb() 
This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau e0b422f2ac wifi: mt76: mt7996: rework mt7996_mac_write_txwi() for MLO support 
Update mt7996_mac_write_txwi routine and all the called subroutines to
support MLO.
This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau 58e8b71782 wifi: mt76: mt7996: Add mt7996_mcu_teardown_mld_sta rouine 
mt7996_mcu_teardown_mld_sta is used to remove MLO configuration from the
MCU. This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau 2a005953dc wifi: mt76: mt7996: Add mt7996_mcu_sta_mld_setup_tlv() and mt7996_mcu_sta_eht_mld_tlv() 
mt7996_mcu_sta_mld_setup_tlv is needed to push MLO configuration to the
MCU. This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Shayne ChenandFelix Fietkau a3b651aeb5 wifi: mt76: mt7996: Update mt7996_mcu_add_rate_ctrl to MLO 
Update mt7996_mcu_add_rate_ctrl routine and all the called subroutines
to support MLO.
This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-19 13:05:59 +01:00
Johannes BergandFelix Fietkau 7757e7c140 wifi: mac80211: call rate_control_rate_update() for link STA 
In order to update the right link information, call the update
rate_control_rate_update() with the right link_sta, and then
pass that through to the driver's sta_rc_update() method. The
software rate control still doesn't support it, but that'll be
skipped by not having a rate control ref.

Since it now operates on a link sta, rename the driver method.

Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Miri Korenblit <[email protected]>
Link: https://patch.msgid.link/20241007144851.5851b6b5fd41.Ibdf50d96afa4b761dd9b9dfd54a1147e77a75329@changeid
Signed-off-by: Johannes Berg <[email protected]>
 2025-03-19 13:05:44 +01:00
Lorenzo BianconiandFelix Fietkau d195324131 wifi: mt76: mt7996: Rely on mt7996_vif/sta_link in twt teardown 
This is a preliminary patch to enable MLO for MT7996 driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Shayne ChenandFelix Fietkau 200ce414fe wifi: mt76: mt7996: Rely on mt7996_vif_link in mt7996_mcu_twt_agrt_update signature 
This is a preliminary patch to enable MLO for MT7996 driver

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Shayne ChenandFelix Fietkau 0eee20d3e3 wifi: mt76: mt7996: Update mt7996_mcu_add_sta to MLO support 
Update mt7996_mcu_add_sta routine and all the called subroutines to
support MLO. This is a preliminary patch to enable MLO for MT7996
driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Shayne ChenandFelix Fietkau 2e249744bc wifi: mt76: Check link_conf pointer in mt76_connac_mcu_sta_basic_tlv() 
This is a preliminary patch to introduce MLO support for MT7996 driver.

Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Lorenzo BianconiandFelix Fietkau 2efb26f1fc wifi: mt76: mt7996: Support MLO in mt7996_mac_sta_event() 
Similar to mt7996_mac_sta_add() adn mt7996_mac_sta_remove(), update
mt7996_mac_sta_event routine to take into account MLO support.
Please note mcu routines does not support MLO yet.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Shayne ChenandFelix Fietkau 1de1808215 wifi: mt76: mt7996: Add mt7996_mac_sta_change_links callback 
Intrdouce mt7996_mac_sta_change_links routine to set change_sta_links
required by mac80211. This is a preliminary patch to introduce MLO
support for MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Lorenzo BianconiandFelix Fietkau 46e20e5d74 wifi: mt76: mt7996: Rely on mt7996_sta_link in sta_add/sta_remove callbacks 
Generalize mt7996_mac_sta_add() and mt7996_mac_sta_remove() routines to
deal with mt7996_sta_link structure.
This is a preliminary patch to introduce MLO support for MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Lorenzo BianconiandFelix Fietkau 3082c9edbe wifi: mt76: mt7996: Add mt7996_sta_state routine 
Introduce mt7996_sta_state routine in order to initialize wcid structure
in mt7996 codebase. This is a preliminary patch to enable MLO support in
MT7996 driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:38:01 +01:00
Lorenzo BianconiandFelix Fietkau f419c62e91 wifi: mt76: mt7996: Add link_info_changed callback 
Convert bss_info_changed mac80211 callback in link_info_changed one.
This is a preliminary patch to enable MLO support in MT7996 driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:37:53 +01:00
Lorenzo BianconiandFelix Fietkau 3e06380a43 wifi: mt76: mt7996: Add vif_cfg_changed callback 
Introduce vif_cfg_changed mac80211 callback as preliminary patch to
enable MLO support in MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:37:42 +01:00
Lorenzo BianconiandFelix Fietkau 915938e83c wifi: mt76: mt7996: Add mt7996_sta_link struct in mt7996_vif_link 
Introduce mt7996_sta_link field in mt7996_vif_link structure instead of
mt7996_sta. This is a preliminary patch to support MLO in MT7996 driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:37:15 +01:00
Lorenzo BianconiandFelix Fietkau b3b61abd73 wifi: mt76: mt7996: Introduce mt7996_sta_link container 
Similar to mt7996_vif_link, add mt7996_sta_link structure as driver
representation for sta links. This is a preliminary patch to introduce
MLO support for MT7996 driver.

Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:37:15 +01:00
Lorenzo BianconiandFelix Fietkau 52f51a398e wifi: mt76: mt7996: Add change_vif_links stub 
change_vif_links callback is required by mac80211.
This is a preliminary patch to introduce MLO support for MT7996 driver.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-12 10:37:15 +01:00
Felix Fietkau 67c724cc60 Revert "wifi: mt76: mt7921: fix returned txpower" 
This reverts commit ffd1cbfc48.
 2025-03-12 10:34:21 +01:00
Felix Fietkau 539e7e711a Revert "wifi: mt76: mt7925: fix returned txpower" 
This reverts commit 687e2fdfbf.
 2025-03-12 10:34:17 +01:00
Felix Fietkau e931cecc45 mt76: mt792x: fix unused variable warning 
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-11 14:34:37 +01:00
Leon YenandFelix Fietkau 1b370c689a wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain 
Some countries have strict RF restrictions where changing the regulatory
domain dynamically based on the connected AP is not acceptable.
This patch disables Beacon country IE hinting when a valid country code
is set from usersland (e.g., by system using iw or CRDA).

Signed-off-by: Leon Yen <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Tested-by: David Ruth <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-11 11:29:36 +01:00
Jakub KicinskiandFelix Fietkau 0ba7a69f89 wifi: mt76: move napi_enable() from under BH 
mt76 does a lot of:

  local_bh_disable();
  napi_enable(...napi);
  napi_schedule(...napi);
  local_bh_enable();

local_bh_disable() is not a real lock, its most likely taken
because napi_schedule() requires that we invoke softirqs at
some point. napi_enable() needs to take a mutex, so move it
from under the BH protection.

Fixes: 413f0271f396 ("net: protect NAPI enablement with netdev_lock()")
Reported-by: Dan Carpenter <[email protected]>
Link: https://lore.kernel.org/[email protected]
Reviewed-by: Eric Dumazet <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
 2025-03-11 11:23:49 +01:00
Razvan GrigoreandFelix Fietkau a4be3fc9ed wifi: mt76: mt7996: cleanup mt7996_get_power_bound 
Refactor for making use of mt76_get_power_bound instead of the specific
mt7996_get_power_bound, since we need this for other chipsets as well
when calculating txpower

Signed-off-by: Razvan Grigore <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:24:28 +01:00
Razvan GrigoreandFelix Fietkau 43aaa62fbc wifi: mt76: mt7915: cleanup mt7915_get_power_bound 
Refactor for making use of mt76_get_power_bound instead of the specific
mt7915_get_power_bound, since we need this for other chipsets as well
when calculating txpower

Signed-off-by: Razvan Grigore <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:24:28 +01:00
Razvan GrigoreandFelix Fietkau 687e2fdfbf wifi: mt76: mt7925: fix returned txpower 
Similar to the mt7921, seems the code was copy-paste from there. This
bug was noticed by me and confirmed by many more people using this
chipset with openwrt: https://github.com/openwrt/mt76/issues/783

It seems that for this particular chipset the mt76_phy->txpower_cur is
never set, like in the case of other chipsets like mt7603, mt7615, etc.

The driver is correctly calculating the TX power adjustment based on the
number of antennas. However, the base TX power (phy->txpower_cur) is not
being properly initialized or set to a meaningful value. It's starting
at 0, so the final result is just the antenna gain compensation divided
by 2.

Signed-off-by: Razvan Grigore <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:24:28 +01:00
Razvan GrigoreandFelix Fietkau ffd1cbfc48 wifi: mt76: mt7921: fix returned txpower 
This bug was noticed by me and confirmed by many more people using this
chipset with openwrt: https://github.com/openwrt/mt76/issues/783

It seems that for this particular chipset the mt76_phy->txpower_cur is
never set, like in the case of other chipsets like mt7603, mt7615, etc.

The driver is correctly calculating the TX power adjustment based on the
number of antennas. However, the base TX power (phy->txpower_cur) is not
being properly initialized or set to a meaningful value. It's starting
at 0, so the final result is just the antenna gain compensation divided
by 2.

Signed-off-by: Razvan Grigore <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:24:28 +01:00
Razvan GrigoreandFelix Fietkau f118073642 wifi: mt76: add mt76_get_power_bound helper function 
This will replace mt7915_get_power_bound function from b/mt7915/mcu.h,
since we will need it also for mt7921 and mt7925

Signed-off-by: Razvan Grigore <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:24:28 +01:00
Ming Yen HsiehandFelix Fietkau 9ff2afce5f wifi: mt76: mt7925: add MTCL support to enhance the regulatory compliance 
Apply the MTCL configuration to improving channel availability and
regulatory compliance if MTCL table is supported.

Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau b94b025490 wifi: mt76: mt792x: extend MTCL of APCI to version3 for EHT control 
This patch introduces version 3 of the MTCL table, which provides
regulatory information for WiFi 7. It also configured by the platform
vender like the version 1 and 2.

Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau 772dcb4b4e wifi: mt76: mt7925: remove unused acpi function for clc 
The code for handling ACPI configuration in CLC was copied from the mt7921
driver but is not utilized in the mt7925 implementation. So removes the
unused functionality to clean up the codebase.

Cc: [email protected]
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau bdc09b8f23 wifi: mt76: mt7925: update the channel usage when the regd domain changed 
The 5.9/6GHz channel license of a certain platform device has been
regulated in various countries. That may be difference with standard Liunx
regulatory domain settings. In this case, when .reg_notifier() called for
regulatory change, mt7925 chipset should update the channel usage based on
CLC data.

Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau 454a69cbb7 wifi: mt76: mt7925: add EHT control support based on the CLC data 
Some countries do not support EHT modulation for now. To prevent violating
regulations, the MT7925 chipset should control the EHT capabilities.
Therefore, when a regulatory domain change is detected during scanning,
the `mt7925_regd_be_ctrl` will process the CLC data to update the EHT
capabilities.

Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau 5910f0806c wifi: mt76: mt7925: load the appropriate CLC data based on hardware type 
Read the EEPROM to determine the hardware type and uses this to load the
correct CLC data.

Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:18:36 +01:00
Ming Yen HsiehandFelix Fietkau 25a0285d8e wifi: mt76: mt7925: update the power-saving flow 
After joining MLO, ensure that all links are setup before
enabling power-saving.

Fixes: 86c051f2c418 ("wifi: mt76: mt7925: enabling MLO when the firmware supports it")
Cc: [email protected]
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Ming Yen HsiehandFelix Fietkau d25359e8bb wifi: mt76: mt7925: integrate *mlo_sta_cmd and *sta_cmd 
Integrate *mlo_sta_cmd and *sta_cmd for the MLO firmware.

Fixes: 86c051f2c418 ("wifi: mt76: mt7925: enabling MLO when the firmware supports it")
Cc: [email protected]
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Ming Yen HsiehandFelix Fietkau aa7d366ccf wifi: mt76: mt7925: adjust rm BSS flow to prevent next connection failure 
Removing BSS without removing STAREC first will cause firmware
abnormal and next connection fail.

Fixes: f8797298565e ("wifi: mt76: mt7925: Cleanup MLO settings post-disconnection")
Cc: [email protected]
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Ming Yen HsiehandFelix Fietkau f54ff3caba wifi: mt76: mt7925: fix the wrong simultaneous cap for MLO 
The mt7925 chip is only support a single radio, so the maximum
number of simultaneous should be 0.

Fixes: 86c051f2c418 ("wifi: mt76: mt7925: enabling MLO when the firmware supports it")
Cc: [email protected]
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Ming Yen HsiehandFelix Fietkau 2823c50b1c wifi: mt76: mt7925: fix the wrong link_idx when has p2p_device 
When the p2p device and MLO station concurrent, the p2p device
will occupy the wrong link_idx when the MLO secondary link is added.

Fixes: e38a82d25b08 ("wifi: mt76: connac: Extend mt76_connac_mcu_uni_add_dev for MLO")
Cc: [email protected]
Co-developed-by: Sean Wang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Sean WangandFelix Fietkau 11bacfcce3 Revert "wifi: mt76: mt7925: Update mt7925_mcu_uni_[tx,rx]_ba for MLO" 
For MLO, mac80211 will send the BA action for each link to
the driver, so the driver does not need to handle it itself.
Therefore, revert this patch.

Fixes: eb2a9a12c609 ("wifi: mt76: mt7925: Update mt7925_mcu_uni_[tx,rx]_ba for MLO")
Cc: [email protected]
Signed-off-by: Ming Yen Hsieh <[email protected]>
Tested-by: Caleb Jorden <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Ming Yen HsiehandFelix Fietkau 56c0beddbe wifi: mt76: mt7921: fix kernel panic due to null pointer dereference 
Address a kernel panic caused by a null pointer dereference in the
`mt792x_rx_get_wcid` function. The issue arises because the `deflink` structure
is not properly initialized with the `sta` context. This patch ensures that the
`deflink` structure is correctly linked to the `sta` context, preventing the
null pointer dereference.

 BUG: kernel NULL pointer dereference, address: 0000000000000400
 #PF: supervisor read access in kernel mode
 #PF: error_code(0x0000) - not-present page
 PGD 0 P4D 0
 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
 CPU: 0 UID: 0 PID: 470 Comm: mt76-usb-rx phy Not tainted 6.12.13-gentoo-dist #1
 Hardware name:  /AMD HUDSON-M1, BIOS 4.6.4 11/15/2011
 RIP: 0010:mt792x_rx_get_wcid+0x48/0x140 [mt792x_lib]
 RSP: 0018:ffffa147c055fd98 EFLAGS: 00010202
 RAX: 0000000000000000 RBX: ffff8e9ecb652000 RCX: 0000000000000000
 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8e9ecb652000
 RBP: 0000000000000685 R08: ffff8e9ec6570000 R09: 0000000000000000
 R10: ffff8e9ecd2ca000 R11: ffff8e9f22a217c0 R12: 0000000038010119
 R13: 0000000080843801 R14: ffff8e9ec6570000 R15: ffff8e9ecb652000
 FS:  0000000000000000(0000) GS:ffff8e9f22a00000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000000000000400 CR3: 000000000d2ea000 CR4: 00000000000006f0
 Call Trace:
  <TASK>
  ? __die_body.cold+0x19/0x27
  ? page_fault_oops+0x15a/0x2f0
  ? search_module_extables+0x19/0x60
  ? search_bpf_extables+0x5f/0x80
  ? exc_page_fault+0x7e/0x180
  ? asm_exc_page_fault+0x26/0x30
  ? mt792x_rx_get_wcid+0x48/0x140 [mt792x_lib]
  mt7921_queue_rx_skb+0x1c6/0xaa0 [mt7921_common]
  mt76u_alloc_queues+0x784/0x810 [mt76_usb]
  ? __pfx___mt76_worker_fn+0x10/0x10 [mt76]
  __mt76_worker_fn+0x4f/0x80 [mt76]
  kthread+0xd2/0x100
  ? __pfx_kthread+0x10/0x10
  ret_from_fork+0x34/0x50
  ? __pfx_kthread+0x10/0x10
  ret_from_fork_asm+0x1a/0x30
  </TASK>
 ---[ end trace 0000000000000000 ]---

Reported-by: Nick Morrow <[email protected]>
Closes: https://github.com/morrownr/USB-WiFi/issues/577
Cc: [email protected]
Fixes: 90c10286b176 ("wifi: mt76: mt7925: Update mt792x_rx_get_wcid for per-link STA")
Signed-off-by: Ming Yen Hsieh <[email protected]>
Tested-by: Salah Coronya <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:07:19 +01:00
Quan ZhouandFelix Fietkau 24062ce4fa wifi: mt76: mt7925: Simplify HIF suspend handling to avoid suspend fail 
System suspend failures may occur due to inappropriate
handling of traffic not idle event by the WiFi driver.
The WiFi firmware's traffic not idle indication does
not need to be tied to suspend. Fix the flow to ensuring
the system can suspend properly.

Signed-off-by: Quan Zhou <[email protected]>
Link: https://patch.msgid.link/34208c7280325f57a651363d339399eb1744d3b7.1740400998.git.quan.zhou@mediatek.com
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:01:25 +01:00
Thorsten BlumandFelix Fietkau 901492c462 wifi: mt76: mt7925: Remove unnecessary if-check 
The if and else branches implement the same logic. Remove the
unnecessary if-check and simplify the code.

Signed-off-by: Thorsten Blum <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:01:25 +01:00
Haoxiang LiandFelix Fietkau d6a197dbc9 wifi: mt76: Add check for devm_kstrdup() 
Add check for the return value of devm_kstrdup() in
mt76_get_of_data_from_mtd() to catch potential exception.

Fixes: e7a6a044f9b9 ("mt76: testmode: move mtd part to mt76_dev")
Cc: [email protected]
Signed-off-by: Haoxiang Li <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:01:25 +01:00
Ming Yen HsiehandFelix Fietkau 5eab65bb54 wifi: mt76: mt7925: fix country count limitation for CLC 
Due to the increase in the number of power tables for 6Ghz on CLC,
the variable nr_country is no longer sufficient to represent the
total quantity. Therefore, we have switched to calculating the
length of clc buf to obtain the correct power table.

Cc: [email protected]
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:01:25 +01:00
Ming Yen HsiehandFelix Fietkau 29f0ad5a43 wifi: mt76: mt7925: ensure wow pattern command align fw format 
Align the format of "struct mt7925_wow_pattern_tlv" with
firmware to ensure proper functionality.

Cc: [email protected]
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: Ming Yen Hsieh <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
 2025-03-10 13:01:25 +01:00