Commit Graph
34 Commits
Author SHA1 Message Date
StanleyYP WangandFelix Fietkau 365f006322 wifi: mt76: mt7996: fix queue pause after scan due to wrong channel switch reason
Previously, we used the IEEE80211_CONF_IDLE flag to avoid setting the
parking channel with the CH_SWITCH_NORMAL reason, which could trigger TX
emission before bootup CAC.

However, we found that this flag can be set after triggering scanning on a
connected station interface, and the reason CH_SWITCH_SCAN_BYPASS_DPD will
be used when switching back to the operating channel, which makes the
firmware failed to resume paused AC queues.

Seems that we should avoid relying on this flag after switching to single
multi-radio architecture. Instead, use the existence of chanctx as the
condition.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-02-21 09:31:54 +00:00
StanleyYP WangandFelix Fietkau 19b5d0918b wifi: mt76: avoid to set ACK for MCU command if wait_resp is not set
When wait_resp is not set but the ACK option is enabled in the MCU TXD,
the ACK event is enqueued to the MCU event queue without being dequeued
by the original MCU command request.

Any orphaned ACK events will only be removed from the queue when another
MCU command requests a response. Due to sequence index mismatches, these
events are discarded one by one until a matching sequence index is found.

However, if several MCU commands that do not require a response continue
to fill up the event queue, there is a risk that when an MCU command with
wait_resp enabled is issued, it may dequeue the wrong event skb,
especially if the queue contains events with all possible sequence
indices.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-02-21 09:31:54 +00:00
StanleyYP WangandFelix Fietkau 88ed9f8abc wifi: mt76: mt7996: fix struct mt7996_mcu_uni_event
The cid field is defined as a two-byte value in the firmware.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-02-21 09:31:54 +00:00
StanleyYP WangandFelix Fietkau 36c59c31bf wifi: mt76: mt7996: apply calibration-free data from OTP
Before sending the current EEPROM data to the firmware, read the
calibration-free data (FT data) from the efuse and merge it with
the existing EEPROM data.

Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-02-21 08:56:45 +00:00
StanleyYP WangandFelix Fietkau 8831fa78cb wifi: mt76: add external EEPROM support for mt799x chipsets
For the MT7992 and MT7990 chipsets, efuse mode is not supported because
there is insufficient space in the efuse to store the calibration data.
Therefore, an additional on-chip EEPROM is added to address this
limitation.

Co-developed-by: Elwin Huang <[email protected]>
Signed-off-by: Elwin Huang <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-02-21 08:56:45 +00:00
StanleyYP WangandFelix Fietkau acc24cb925 wifi: mt76: mt7996: offload radar threshold initialization
Since some radar specifications maintained by the driver are incorrect
and are now also maintained by the firmware, offload the initialization
procedure to the firmware.
This fixes issues for radar detection rate testings.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-01-27 10:02:43 +00:00
StanleyYP WangandFelix Fietkau cbafe36e86 wifi: mt76: mt7996: abort CCA when CSA is starting
When CSA countdown is going to start, carry UNI_BSS_INFO_BCN_BCC tag to
abort any CCA countdown.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-01-27 10:02:43 +00:00
StanleyYP WangandFelix Fietkau 3b11a23517 wifi: mt76: mt7996: set specific BSSINFO and STAREC commands after channel switch
After channel switch, some tags of BSSINFO (rfch) and STAREC (bfer,
rate_ctrl) commands should also be updated. Otherwise, a BSS might not be
able to transmit with its peer using correct bandwidth.

Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-01-27 10:02:43 +00:00
StanleyYP WangandFelix Fietkau 85c39fb244 wifi: mt76: mt7996: fix the behavior of radar detection
RDD_DET_MODE is a firmware command intended for testing and does not
pause TX after radar detection, so remove it from the normal flow;
instead, use the MAC_ENABLE_CTRL firmware command to resume TX after
the radar-triggered channel switch completes.

Fixes: 1529e335f93d ("wifi: mt76: mt7996: rework radar HWRDD idx")
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2026-01-27 10:02:43 +00:00
StanleyYP WangandFelix Fietkau 7519fa4ce6 wifi: mt76: mt7996: fix max nss value when getting rx chainmask
Since wiphy->available_antennas_tx now accumulates the chainmask of all
the radios of a wiphy, use phy->orig_antenna_mask to get the original
max nss for comparison.

Fixes: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-11-06 11:34:56 +00:00
StanleyYP WangandFelix Fietkau a19543c7e0 wifi: mt76: mt7996: rework radar HWRDD idx
The definition of MT_RX_SEL (for rdd_rx_sel) is mixed with the
definition of HWRDD idx.
For example, MT_RX_SEL2 is for background HWRDD idx, not an
option of rdd_rx_sel.
Additionally, HWRDD idx does not exactly map to band idx for
Connac 3 chips. So, add mt7996_get_rdd_idx as a helper function.

Finally, remove some parts of the code inherited from the legacy chips.
For instance,
1. rdd_state is used for single-band-dual-HWRDD chips (for 80+80),
especially the 76xx series.
2. rdd_rx_sel is also used for single-band-dual-HWRDD chips
rx_sel = 0 => RDD0 for WF0, RDD1 for WF2
rx_sel = 1 => RDD0 for WF1, RDD1 for WF3

Chip Variants              | 5G rdd idx     | Background rdd idx
---------------------------|----------------|-------------------
MT7996 (except 205/255)    | 1              | 2
MT7992                     | 1              | 2
MT7990                     | 1              | 2

Signed-off-by: StanleyYP Wang <[email protected]>
Reviewed-by: Shayne Chen <[email protected]>
Reviewed-by: Money Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:40:33 +02:00
StanleyYP WangandFelix Fietkau 9bacdb2bf2 wifi: mt76: mt7915: rework radar HWRDD idx
The definition of MT_RX_SEL (for rdd_rx_sel) is mixed with the
definition of HWRDD idx.
For example, MT_RX_SEL2 is for background HWRDD idx, not an option
of rdd_rx_sel.
Therefore, add mt7915_get_rdd_idx as a helper function to get the
HWRDD idx for each variants.

Additionally, remove some parts of the code inherited from the legacy
chips.
For instance,
1. rdd_state is used for single-band-dual-HWRDD chips (for 80+80),
especially the 76xx series.
2. rdd_rx_sel is also used for single-band-dual-HWRDD chips
rx_sel = 0 => RDD0 for WF0, RDD1 for WF2
rx_sel = 1 => RDD0 for WF1, RDD1 for WF3

Chip Variants                  | 5G rdd idx(=bandidx)| Background rdd idx
-------------------------------|---------------------|-------------------
MT7915A                        | 0                   | 2
MT7915D                        | 1                   | 2
MT7916 2G + 5G (2T2R+1R)       | 1                   | 2
MT7916 2G + 5G (3T3R)          | 1                   | N/A
MT7981 2G + 5G                 | 1                   | N/A
MT7986 2G + 5G (one adie DBDC) | 1                   | N/A
MT7986 5G (one adie)           | 1 (bandidx=MT_BAND1)| N/A
MT7986 2G + 5G (dual adie)     | 1                   | N/A

Signed-off-by: StanleyYP Wang <[email protected]>
Reviewed-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:40:33 +02:00
StanleyYP WangandFelix Fietkau 3cec186474 wifi: mt76: mt7915: set correct background radar capability
Some of the variants do not support background radar, so add a
helper to report background radar capability.
For mt7916, only the variant of 5G 2T2R + 1R supports background
radar.

Signed-off-by: StanleyYP Wang <[email protected]>
Reviewed-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:40:33 +02:00
StanleyYP WangandFelix Fietkau bc588ac3d1 wifi: mt76: mt7996: rework background radar check for mt7990
The MT7990 comes in 2T2R and 3T3R variants, with only the 2T2R supporting
background radar.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:29:38 +02:00
StanleyYP WangandFelix Fietkau 51db7a2d57 wifi: mt76: mt7996: add eeprom support for mt7990
Add eeprom definition and default bin file for mt7990.
This is a preliminary patch to support mt7990 chipset.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:29:38 +02:00
StanleyYP WangandFelix Fietkau a8def214d7 wifi: mt76: mt7996: rework register mapping for mt7990
Rework register offset and l1/l2/cbtop mapping for mt7990.
This is a preliminary patch to support mt7990 chipset.

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: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:29:38 +02:00
StanleyYP WangandFelix Fietkau a2dd2f7896 wifi: mt76: connac: add support to load firmware for mt7990
Add firmware download support. Note that mt7990 does not have WA and DSP
firmwares. This is a preliminary patch to support mt7990 chipset.

Co-developed-by: Peter Chiu <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2025-04-11 10:29:38 +02:00
StanleyYP WangandFelix Fietkau 8c86aa304e wifi: mt76: mt7996: set correct background radar capability
Some of the variants do not support background radar, so add a helper
to report background radar capability.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Tested-by: Daniel Golle <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
2024-09-27 07:47:31 +02:00
StanleyYP WangandFelix Fietkau 5f1bf88652 wifi: mt76: mt7996: add sanity checks for background radar trigger
Check if background radar is enabled or not before manually triggering it,
and also add more checks in radar detected event.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2024-04-03 12:58:27 +02:00
StanleyYP WangandFelix Fietkau b47ad8a776 wifi: mt76: mt7996: fix efuse reading issue
The efuse data starts from the 48th bytes instead of 64th bytes in the
returned event skb.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2024-02-03 15:04:42 +01:00
StanleyYP WangandFelix Fietkau f997e759ce wifi: mt76: mt7996: add PCI IDs for mt7992
Add PCI device IDs to enable mt7992 chipsets support.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau 6c2b2c37ab wifi: mt76: mt7996: adjust interface num and wtbl size for mt7992
MT7992 chipsets support up to 32 interfaces (with maximum 19 per-band)
and 512 station entries.
This is a preliminary patch for mt7992 chipsets support.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau 8d11dae73e wifi: mt76: mt7996: support mt7992 eeprom loading
Add the default eeprom and 0x7992 check to mt7996_check_eeprom().
This is a preliminary patch for mt7992 chipsets support.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau f12471968a wifi: mt76: mt7996: rework register offsets for mt7992
Add mt7992_offs to differentiate registers that share the same
definitions with mt7996 chipsets but have differnet offsets.
This is a preliminary patch for mt7992 chipsets support.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau 51cb541c1e wifi: mt76: connac: add firmware support for mt7992
Support firmware download and enable related AFE PLL for mt7992 chipsets.
This is a preliminary patch for mt7992 chipsets support.

Co-developed-by: Benjamin Lin <[email protected]>
Signed-off-by: Benjamin Lin <[email protected]>
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau 17297c97b7 wifi: mt76: mt7915: also MT7981 is 3T3R but nss2 on 5 GHz band
Just like MT7916 also MT7981 can handle 3T3R DBDC frontend and should
hence be included in the corresponding conditional expression in the
driver. Add it.

Fixes: 6bad146d162e ("wifi: mt76: mt7915: add support for MT7981")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Daniel Golle <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau 30c54a53bf wifi: mt76: mt7915: fix EEPROM offset of TSSI flag on MT7981
The offset of the TSSI flag on the EEPROM of MT7981 devices was wrong.
Set the correct offset instead.

Fixes: 6bad146d162e ("wifi: mt76: mt7915: add support for MT7981")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Daniel Golle <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau ae963198e6 wifi: mt76: mt7996: fix alignment of sta info event
Fix the alignment of struct mt7996_mcu_all_sta_info_event.

Fixes: adde3eed4a75 ("wifi: mt76: mt7996: Add mcu commands for getting sta tx statistic")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:04 +01:00
StanleyYP WangandFelix Fietkau af41374a3b wifi: mt76: connac: add beacon duplicate TX mode support for mt7996
For connac3 chipsets, setting of spe_idx is moved from TX descriptor to
the fixed rate table. This patch implements the setting to support
duplicate TX mode for beacon.

Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-11-17 14:13:03 +01:00
StanleyYP WangandFelix Fietkau 65d91a833b wifi: mt76: get rid of false alamrs of tx emission issues
When the set_chan_info command is set with CH_SWITCH_NORMAL reason,
even if the action is UNI_CHANNEL_RX_PATH, it'll still generate some
unexpected tones, which might confuse DFS CAC tests that there are some
tone leakages. To get rid of these kinds of false alarms, always bypass
DPD calibration when IEEE80211_CONF_IDLE is set.

Reviewed-by: Evelyn Tsai <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-09-16 14:13:14 +02:00
StanleyYP WangandFelix Fietkau 2c163f1812 wifi: mt76: mt7996: fix WA event ring size
Fix rx ring size of WA event to get rid of event loss and queue overflow
problems.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-06-22 18:39:14 +02:00
StanleyYP WangandFelix Fietkau 080ca19cc6 wifi: mt76: mt7996: use correct phy for background radar event
If driver directly uses the band_idx reported from the radar event to
access mt76_phy array, it will get the wrong phy for background radar.
Fix this by adjusting the statement.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-06-22 18:39:14 +02:00
StanleyYP WangandFelix Fietkau 7fb0460112 wifi: mt76: mt7915: fix background radar event being blocked
The background radar uses MT_RX_SEL2 as its band indication, so fix it.

Fixes: 7a53eecd5c87 (wifi: mt76: mt7915: check the correctness of event data)
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-06-22 17:50:24 +02:00
StanleyYP WangandFelix Fietkau 821caac520 wifi: mt76: mt7996: fix eeprom tx path bitfields
Swap the tx path bitfields of band1 and band2 to read correct setting.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
2023-04-17 16:10:14 +02:00