When a CSA countdown is active, mt7996_mcu_beacon_cntdwn() emits two
bss_bcn_cntdwn_tlv entries (the CSA countdown and the CCA-abort BCC), but
MT7996_BEACON_UPDATE_SIZE only reserved one. With MBSSID enabled and a
near-maximum beacon template the extra 8 bytes could push the offload
command past MT7996_MAX_BSS_OFFLOAD_SIZE and trigger skb_over_panic().
Reserve room for both countdown TLVs.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Felix Fietkau <[email protected]>
Add hardware airtime fairness (ATF) support for mt7996, using the MAC's
weighted DWRR scheduler (VoW) to balance TX airtime between stations, in
the same way as the mt7915 implementation.
This supplements mac80211's software airtime fairness rather than
replacing it: software ATF keeps scheduling the host TX queues, while the
hardware scheduler enforces fairness on the offloaded path where the host
has no airtime accounting, such as when WED is active.
A station's TX airtime weight is taken from mac80211 through the
sta_set_airtime_weight op and applied to the hardware scheduler directly;
the per-AC DWRR quantum levels and the station's BSS group index are
derived on the fly, mapping the weight logarithmically onto the global
hardware quantum table. ATF and WATF are enabled by default and can be
toggled together at runtime through the "vow_atf" debugfs file.
Signed-off-by: Benjamin Lin <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Enable MT_DRV_HW_PS_BUFFERING and handle MCU_UNI_EVENT_PS_SYNC with
all three TLV formats (single client, multi-client packed entries,
and bitmap).
Signed-off-by: Felix Fietkau <[email protected]>
Introduce mt7996_mcu_mld_reconf_stop_link and mt7996_mcu_mld_link_oper
utility routines in order to communicate to the mcu fw to disable/enable
a specific vif link. Please note these APIs are currently supported by
the MT7996 firmware only in AP mode.
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]>
This patch adds support for handling BSS_CHANGED_ERP_CTS_PROT and
BSS_CHANGED_HT.
With this change, when the Wi-Fi driver needs to adjust its behavior for
compatibility or performance, especially concerning older 11g/n devices,
by enabling or disabling CTS protection frames, often for hidden SSIDs or
to manage legacy clients.
It also introduces debugfs options to manually control protection mode,
allowing users to select betweenno protection, RTS/CTS, and CTS-to-self.
Reviewed-by: Money Wang <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
Link: https://patch.msgid.link/942ddb5777d5c201930d6609e9ba877a6ba6714a.1768879119.git.ryder.lee@mediatek.com
Signed-off-by: Felix Fietkau <[email protected]>
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]>
MediaTek has asked to switch from the ISC license to BSD-3-Clause-Clear,
in order to improve clarity and the legal integrity of the code.
The BSD-3-Clause license includes the "no endorsement" clause, which is
important for protecting the reputation of the original authors and
contributors by preventing unauthorized use of their names for endorsement
purposes.
This clause is absent in the BSD-2-Clause license, which is more permissive
but lacks this specific protection.
This change also cleans up the license of some Kconfig/Makefile files,
which were accidentally marked as GPL.
The GPL 2.0 remains in use on mt76x0, as well as two source files in mt7615
for which the license situation still needs to be clarified.
Signed-off-by: Felix Fietkau <[email protected]>
Include beacon key information in the STA_REC_UPDATE call.
Remove mt7996_mcu_get_pn - when installing a new key, we should
not reuse any existing PN value.
Signed-off-by: Allen Ye <[email protected]>
Signed-off-by: Michael-CY Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
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]>
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]>
The firmware needs a specific trigger when WED is being reset due to an
ethernet reset condition. This helps prevent further L1 SER failure.
Signed-off-by: Rex Lu <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Transform zero-length arrays `rate`, `adm_stat` and `msdu_cnt` into
proper flexible-array members in anonymous union in `struct
mt7996_mcu_all_sta_info_event` via the DECLARE_FLEX_ARRAY()
helper; and fix multiple -Warray-bounds warnings:
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:544:61: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:551:58: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:553:58: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:530:61: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:538:66: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:540:66: warning: array subscript <unknown> is outside array bounds of 'struct <anonymous>[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:520:57: warning: array subscript <unknown> is outside array bounds of 'struct all_sta_trx_rate[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:526:76: warning: array subscript <unknown> is outside array bounds of 'struct all_sta_trx_rate[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:526:76: warning: array subscript <unknown> is outside array bounds of 'struct all_sta_trx_rate[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:526:76: warning: array subscript <unknown> is outside array bounds of 'struct all_sta_trx_rate[0]' [-Warray-bounds=]
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:526:76: warning: array subscript <unknown> is outside array bounds of 'struct all_sta_trx_rate[0]' [-Warray-bounds=]
This results in no differences in binary output, helps with the ongoing
efforts to globally enable -Warray-bounds.
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://msgid.link/ZXiU9ayVCslt3qiI@work
If TLV includes beacon content, its length might not be 4-byte aligned.
Make sure the length is aligned before sending beacon commands to FW.
Signed-off-by: Benjamin Lin <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
The internal struct and union inside mt7996_mcu_all_sta_info_event is
marked as being aligned, which conflicts with it being unaligned
within that structure:
drivers/net/wireless/mediatek/mt76/mt7996/mcu.h:165:2: error: field within 'struct mt7996_mcu_all_sta_info_event' is less aligned than 'union mt7996_mcu_all_sta_info_event::(anonymous at ../drivers/net/wireless/mediatek/mt76/mt7996/mcu.h:165:2)' and is usually due to 'struct mt7996_mcu_all_sta_info_event' being packed, which can lead to unaligned accesses [-Werror,-Wunaligned-access]
Mark all three as being packed as well to ensure byte packing for
the entire thing.
Fixes: adde3eed4a75 ("wifi: mt76: mt7996: Add mcu commands for getting sta tx statistic")
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Implement beacon protection feature for mt7996 chipsets, and also do
some cleanup on the set key routine.
Co-developed-by: Rudra Shahi <[email protected]>
Signed-off-by: Rudra Shahi <[email protected]>
Signed-off-by: Allen Ye <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Add sta_rec_ht_uni struct to pass HT ampdu params to firmware. For VHT,
HE, and EHT mode, firmware will get the ampdu params by parsing the
corresponding capability.
Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
During runtime, the GI value in the WTBL is not updated in real-time. To
obtain the latest results for the TX GI, switch to use an MCU command.
Signed-off-by: Benjamin Lin <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Use the new fixed rate command format to let the fixed field function
work normally.
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
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]>
Implement thermal protection commands and support Linux cooling device
control for mt7996 chipsets.
Signed-off-by: Howard Hsu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Similar to MT7915, enable Wireless Ethernet Ditpatcher for MT7996
to offload traffic received from the WLAN nic and transmitted on the
LAN one
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Per peer Tx/Rx statistic can only be obtained by querying WM when WED is
on. This patch switches to periodic event reporting in the case of WED
being enabled.
Signed-off-by: Yi-Chia Hsieh <[email protected]>
Signed-off-by: Money Wang <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Evelyn Tsai <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
There's a race between driver and fw on some tx/rx control registers
when setting ifs, which will cause accidental hw queue pause problems.
Avoid this by setting ifs time with bss_info mcu command.
Reviewed-by: Shayne Chen <[email protected]>
Signed-off-by: Peter Chiu <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Add testing points into debugfs to trigger firmware assert and enable
full system recovery. Also rename knob "fw_ser" to a clear-cut name
"sys_recovery".
Co-developed-by: Bo Jiao <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
The SPR parameter set comprises OBSS PD threshold for SRG and
non SRG and Bitmap of BSS color and partial BSSID. This adds
support to configure fields of SPR element to firmware.
User can disable firmware SR algorithms by turning sr_scene_detect off.
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
