linux.git/drivers/net/wireless, branch master

wifi: brcmfmac: fix 802.1X-SHA256 call trace warning

2026-07-22T09:18:02+00:00

Based on wpa_auth as 1x_256 mode, need to set up "use_fwsup" with BRCMF_PROFILE_FWSUP_1X. Or it will happen trace warning when call brcmf_cfg80211_set_pmk(). [ 4481.831101] ------------[ cut here ]------------ [ 4481.831102] WARNING: CPU: 1 PID: 2997 at drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac] [...] [ 4481.831202] Call Trace: [ 4481.831204] [ 4481.831205] nl80211_set_pmk+0x183/0x250 [cfg80211] [ 4481.831233] genl_family_rcv_msg_doit+0xea/0x150 [ 4481.831237] genl_rcv_msg+0x104/0x240 [ 4481.831239] ? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211] [ 4481.831257] ? genl_family_rcv_msg_doit+0x150/0x150 [ 4481.831259] netlink_rcv_skb+0x4e/0x100 [ 4481.831261] genl_rcv+0x24/0x40 [ 4481.831262] netlink_unicast+0x236/0x380 [ 4481.831264] netlink_sendmsg+0x250/0x4b0 [ 4481.831266] sock_sendmsg+0x5c/0x70 [ 4481.831269] ____sys_sendmsg+0x236/0x2b0 [ 4481.831271] ? copy_msghdr_from_user+0x6d/0xa0 [ 4481.831272] ___sys_sendmsg+0x86/0xd0 [ 4481.831274] ? avc_has_perm+0x8c/0x1a0 [ 4481.831276] ? preempt_count_add+0x6a/0xa0 [ 4481.831279] ? sock_has_perm+0x82/0xa0 [ 4481.831280] __sys_sendmsg+0x57/0xa0 [ 4481.831282] do_syscall_64+0x38/0x90 [ 4481.831284] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 4481.831286] RIP: 0033:0x7fd270d369b4 Fixes: 2526ff21aa77 ("brcmfmac: support 4-way handshake offloading for 802.1X") Signed-off-by: Shelley Yang Acked-by: Arend van Spriel Link: https://patch.msgid.link/20260525083859.581246-1-shelley.yang@infineon.com Signed-off-by: Johannes Berg

wifi: mt76: mt7996: fix possible NULL-pointer deref in mt7996_mcu_sta_bfer_eht()

2026-07-22T06:20:08+00:00

mt76_connac_get_eht_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. Fixes: ba01944adee9f ("wifi: mt76: mt7996: add EHT beamforming support") Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260621-mt76_connac_get_he_phy_cap-fix-v1-4-ed4ccf7a0363@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: mt7925: fix crash in reset link replay

2026-07-22T06:13:45+00:00

During reset recovery, mt7925_vif_connect_iter() replays firmware state for links tracked in mvif->valid_links. After MLO link changes or MCU timeout recovery, the driver bitmap can temporarily contain a link whose mac80211 bss_conf has already gone away. This can pass a NULL bss_conf to mt76_connac_mcu_uni_add_dev(), matching the crash where x1, the second argument, is NULL: pc : mt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib] lr : mt7925_vif_connect_iter+0x9c/0x168 [mt7925_common] x2 : ffffff80a77f6018 x1 : 0000000000000000 x0 : ffffff8099402080 Call trace: mt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib] mt7925_vif_connect_iter+0x9c/0x168 [mt7925_common] mt7925_mac_reset_work+0x264/0x2f8 [mt7925_common] Skip missing bss_conf entries before replaying the link. Non-MLO AP/STA reset replay is unchanged because the helper still returns &vif->bss_conf for the legacy link. Fixes: 14061994184d ("wifi: mt76: mt7925: add link handling in mt7925_vif_connect_iter") Signed-off-by: Sean Wang Link: https://patch.msgid.link/20260616161016.19346-1-sean.wang@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: fix airoha_npu dependency tracking

2026-07-22T06:13:31+00:00

There is a new build failure with MT7996E=m MT76_CORE=y and NET_AIROHA_NPU=m: ld.lld: error: undefined symbol: airoha_npu_get ld.lld: error: undefined symbol: airoha_npu_put >>> referenced by npu.c >>> drivers/net/wireless/mediatek/mt76/npu.o:(mt76_npu_init) in archive vmlinux.a Fix this by reworking the dependency for the MT7996_NPU to only allow enabling that when mt76_core can link against the npu driver. To make sure this gets caught more easily in the future when additional mt76 variants need the same dependency, also turn CONFIG_MT76_NPU into a tristate symbol that has the same dependency. Fixes: 7fb554b1b623 ("wifi: mt76: Introduce the NPU generic layer") Acked-by: Lorenzo Bianconi Signed-off-by: Arnd Bergmann Link: https://patch.msgid.link/20260612201519.4054683-1-arnd@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: restrict NPU/PPE active checks to MMIO devices

2026-07-22T06:12:48+00:00

mt76_npu_device_active() and mt76_ppe_device_active() read dev->mmio.npu and dev->mmio.ppe_dev. The mmio, usb and sdio bus structs share a union in struct mt76_dev, so on USB and SDIO these read unrelated data from the usb/sdio struct, which is non-NULL in practice. mt76_npu_device_active() then returns true on USB, and mt76_rx_poll_complete() takes the offload path and skips mt76_rx_aggr_reorder(). RX A-MPDU subframes are delivered out of order and the peer's TCP stack treats that as loss: heavy retransmissions and reduced throughput in AP mode. Seen on mt7921u, mt7925u, mt76x2u and mt76x0u. Gate both helpers on mt76_is_mmio() so they only run for the bus type that owns the mmio union member. Fixes: 7fb554b1b623 ("wifi: mt76: Introduce the NPU generic layer") Cc: stable@vger.kernel.org Tested-by: Nick Morrow Signed-off-by: Devin Wittmayer Link: https://patch.msgid.link/20260720232640.41293-1-lucid_duck@justthetip.ca Signed-off-by: Felix Fietkau

wifi: mt76: fix MAC address for non OF pcie cards

2026-07-22T06:12:24+00:00

If seems the check for err is wrong as the proper macaddr gets written to from the EEPROM itself. Meaning checking err from of_get_mac_address is wrong as the proper macaddr has been written by this point. Closes: https://lore.kernel.org/linux-wireless/30a90714-02d8-45f2-a7f1-4cfe0627d50b@skade.local/ Reported-by: Klara Modin Closes: https://lore.kernel.org/all/ajRmlyx_AEGybykL@soda.int.kasm.eu/ Reported-by: Tobias Klausmann Fixes: 31ee1582717e ("wifi: mt76: fix of_get_mac_address error handling") Signed-off-by: Rosen Penev Tested-by: Tobias Klausmann Tested-by: Klara Modin Tested-by: John Rowley Link: https://patch.msgid.link/20260706232857.807044-1-rosenp@gmail.com Signed-off-by: Felix Fietkau

wifi: mt76: mt7996: check pointer returned by mt76_connac_get_he_phy_cap()

2026-07-22T06:11:07+00:00

mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. Fixes: 98686cd21624c ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260621-mt76_connac_get_he_phy_cap-fix-v1-3-ed4ccf7a0363@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()

2026-07-22T06:10:56+00:00

mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. Fixes: c948b5da6bbec ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260621-mt76_connac_get_he_phy_cap-fix-v1-2-ed4ccf7a0363@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()

2026-07-22T06:10:47+00:00

mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. Fixes: d0e274af2f2e4 ("mt76: mt76_connac: create mcu library") Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260621-mt76_connac_get_he_phy_cap-fix-v1-1-ed4ccf7a0363@kernel.org Signed-off-by: Felix Fietkau

wifi: mt76: mt7915: guard HE capability lookups

2026-07-22T06:10:39+00:00

mt7915_mcu_bss_he_tlv() and mt7915_mcu_sta_bfer_tlv() both run after checking HE support, then dereference the HE PHY capability returned by mt76_connac_get_he_phy_cap(). That helper can return NULL when no capability entry matches the vif type. Fetch the capability before appending the TLV and skip the HE-specific setup when no matching capability is available. Fixes: e6d557a78b60 ("mt76: mt7915: rely on mt76_connac_get_phy utilities") Signed-off-by: Ruoyu Wang Acked-by: Lorenzo Bianconi Link: https://patch.msgid.link/20260620155332.81120-1-ruoyuw560@gmail.com Signed-off-by: Felix Fietkau