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[ Upstream commit baa19b2e4b7bbb509a7ca7939c8785477dcd40ee ]
It turns out that the code in mt7603_rx_pse_busy() does not detect actual
hardware hangs, it only checks for busy conditions in PSE.
A reset should only be performed if these conditions are true and if there
is no rx activity as well.
Reset the counter whenever a rx interrupt occurs. In order to also deal with
a fully loaded CPU that leaves interrupts disabled with continuous NAPI
polling, also check for pending rx interrupts in the function itself.
Fixes: c8846e101502 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 684e45e120b82deccaf8b85633905304a3bbf56d ]
On MT76x0, LNA gain should be applied for both external and internal LNA.
On MT76x2, LNA gain should be treated as 0 for external LNA.
Move the LNA type based logic to mt76x2 in order to fix mt76x0.
Fixes: 2daa67588f34 ("mt76x0: unify lna_gain parsing")
Reported-by: Shiji Yang <yangshiji66@outlook.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230919194747.31647-1-nbd@nbd.name
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 74f12d511625e603fac8c0c2b6872e687e56dd61 ]
It seems that the nla_policy in mt76_tm_policy is missed for attribute
MT76_TM_ATTR_TX_LENGTH. This patch adds the correct description to make
sure the
u32 val = nla_get_u32(tb[MT76_TM_ATTR_TX_LENGTH]);
in function mt76_testmode_cmd() is safe and will not result in
out-of-attribute read.
Fixes: f0efa8621550 ("mt76: add API for testmode support")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 421033deb91521aa6a9255e495cb106741a52275 ]
On DBDC devices the first (internal) phy is only capable of using
2.4 GHz band, and the 5 GHz band is exposed via a separate phy object,
so avoid the false advertising.
Reported-by: Rani Hod <rani.hod@gmail.com>
Closes: https://github.com/openwrt/openwrt/pull/12361
Fixes: 7660a1bd0c22 ("mt76: mt7615: register ext_phy if DBDC is detected")
Cc: stable@vger.kernel.org
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230605073408.8699-1-fercerpav@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f12758f6f929dbcd37abdb1d91d245539eca48f8 ]
In preparation to enable -Wimplicit-fallthrough for Clang, fix a
warning by replacing a /* fall through */ comment with the new
pseudo-keyword macro fallthrough; instead of letting the code fall
through to the next case.
Notice that Clang doesn't recognize /* fall through */ comments as
implicit fall-through markings.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Stable-dep-of: 421033deb915 ("wifi: mt76: mt7615: do not advertise 5 GHz on first phy of MT7615D (DBDC)")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 48dbce5cb1ba3ce5b2ed3e997bcb1e4697d41b71 ]
This is a preliminary patch to move properly support mt7915 dbdc
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Stable-dep-of: 421033deb915 ("wifi: mt76: mt7615: do not advertise 5 GHz on first phy of MT7615D (DBDC)")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 30bc32c7c1f975cc3c14e1c7dc437266311282cf ]
Grab sta_poll_lock spinlock in mt7615_mac_sta_poll routine in order to
avoid possible races with mt7615_mac_add_txs() or mt7615_mac_fill_rx()
removing msta pointer from sta_poll_list.
Fixes: a621372a04ac ("mt76: mt7615: rework mt7615_mac_sta_poll for usb code")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/48b23404b759de4f1db2ef85975c72a4aeb1097c.1684938695.git.lorenzo@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1b88b47e898edef0e56e3a2f4e49f052a136153d ]
Free rx_head skb in mt76_dma_rx_cleanup routine in order to avoid
possible memory leak at module unload.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 03dd0d49de7db680a856fa566963bb8421f46368 ]
Make sure the nss is valid for nss_delta array. Return zero
if the index is invalid.
Coverity message:
Event overrun-call: Overrunning callee's array of size 4 by passing
argument "n_chains" (which evaluates to 15) in call to
"mt76_tx_power_nss_delta".
int delta = mt76_tx_power_nss_delta(n_chains);
Fixes: 07cda406308b ("mt76: fix rounding issues on converting per-chain and combined txpower")
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit c3a510e2b53785df31d882a773c4c0780b4c825f upstream.
The code was accidentally shifting register values down by tid % 32 instead of
(tid * field_size) % 32.
Cc: stable@vger.kernel.org
Fixes: a28bef561a5c ("mt76: mt7615: re-enable offloading of sequence number assignment")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220826182329.18155-1-nbd@nbd.name
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0a14c1d0113f121151edf34333cdf212dd209190 ]
We should use of_node_put() for the reference 'np' returned by
of_get_child_by_name() which will increase the refcount.
Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cffd93411575afd987788e2ec3cb8eaff70f0215 ]
Free the skb if mt76u_bulk_msg fails in __mt76x02u_mcu_send_msg routine.
Fixes: 4c89ff2c74e39 ("mt76: split __mt76u_mcu_send_msg and mt76u_mcu_send_msg routines")
Co-developed-by: Gergo Koteles <soyer@irl.hu>
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit dbc2b1764734857d68425468ffa8486e97ab89df ]
Fix:
drivers/net/wireless/mediatek/mt76/mt76x2/pci.c: In function ‘mt76x2e_probe’:
././include/linux/compiler_types.h:352:38: error: call to ‘__compiletime_assert_946’ \
declared with attribute error: FIELD_PREP: mask is not constant
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory
details as to why it triggers with older gccs only.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Felix Fietkau <nbd@nbd.name>
Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Shayne Chen <shayne.chen@mediatek.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220405151517.29753-9-bp@alien8.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9273ffcc9a11942bd586bb42584337ef3962b692 ]
Smatch reports the following:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:1865
mt7615_mac_adjust_sensitivity() warn: assigning (-110) to unsigned
variable 'def_th'
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:1865
mt7615_mac_adjust_sensitivity() warn: assigning (-98) to unsigned
variable 'def_th'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 577298ec55dfc8b9aece54520f0258c3f93a6573 ]
Even if it is only a false-positive since skip_buf0/skip_buf1 are only
used in mt76_dma_tx_cleanup_idx routine, initialize skip_unmap in
mt76_dma_rx_fill in order to fix the following UBSAN report:
[ 13.924906] UBSAN: invalid-load in linux-5.15.0/drivers/net/wireless/mediatek/mt76/dma.c:162:13
[ 13.924909] load of value 225 is not a valid value for type '_Bool'
[ 13.924912] CPU: 9 PID: 672 Comm: systemd-udevd Not tainted 5.15.0-18-generic #18-Ubuntu
[ 13.924914] Hardware name: LENOVO 21A0000CMX/21A0000CMX, BIOS R1MET43W (1.13 ) 11/05/2021
[ 13.924915] Call Trace:
[ 13.924917] <TASK>
[ 13.924920] show_stack+0x52/0x58
[ 13.924925] dump_stack_lvl+0x4a/0x5f
[ 13.924931] dump_stack+0x10/0x12
[ 13.924932] ubsan_epilogue+0x9/0x45
[ 13.924934] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[ 13.924935] ? __iommu_dma_map+0x84/0xf0
[ 13.924939] mt76_dma_add_buf.constprop.0.cold+0x23/0x85 [mt76]
[ 13.924949] mt76_dma_rx_fill.isra.0+0x102/0x1f0 [mt76]
[ 13.924954] mt76_dma_init+0xc9/0x150 [mt76]
[ 13.924959] ? mt7921_dma_enable+0x110/0x110 [mt7921e]
[ 13.924966] mt7921_dma_init+0x1e3/0x260 [mt7921e]
[ 13.924970] mt7921_register_device+0x29d/0x510 [mt7921e]
[ 13.924975] mt7921_pci_probe.part.0+0x17f/0x1b0 [mt7921e]
[ 13.924980] mt7921_pci_probe+0x43/0x60 [mt7921e]
[ 13.924984] local_pci_probe+0x4b/0x90
[ 13.924987] pci_device_probe+0x115/0x1f0
[ 13.924989] really_probe+0x21e/0x420
[ 13.924992] __driver_probe_device+0x115/0x190
[ 13.924994] driver_probe_device+0x23/0xc0
[ 13.924996] __driver_attach+0xbd/0x1d0
[ 13.924998] ? __device_attach_driver+0x110/0x110
[ 13.924999] bus_for_each_dev+0x7e/0xc0
[ 13.925001] driver_attach+0x1e/0x20
[ 13.925003] bus_add_driver+0x135/0x200
[ 13.925005] driver_register+0x95/0xf0
[ 13.925008] ? 0xffffffffc0766000
[ 13.925010] __pci_register_driver+0x68/0x70
[ 13.925011] mt7921_pci_driver_init+0x23/0x1000 [mt7921e]
[ 13.925015] do_one_initcall+0x48/0x1d0
[ 13.925019] ? kmem_cache_alloc_trace+0x19e/0x2e0
[ 13.925022] do_init_module+0x62/0x280
[ 13.925025] load_module+0xac9/0xbb0
[ 13.925027] __do_sys_finit_module+0xbf/0x120
[ 13.925029] __x64_sys_finit_module+0x18/0x20
[ 13.925030] do_syscall_64+0x5c/0xc0
[ 13.925033] ? do_syscall_64+0x69/0xc0
[ 13.925034] ? sysvec_reschedule_ipi+0x78/0xe0
[ 13.925036] ? asm_sysvec_reschedule_ipi+0xa/0x20
[ 13.925039] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 13.925040] RIP: 0033:0x7fbf2b90f94d
[ 13.925045] RSP: 002b:00007ffe2ec7e5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 13.925047] RAX: ffffffffffffffda RBX: 000056106b0634e0 RCX: 00007fbf2b90f94d
[ 13.925048] RDX: 0000000000000000 RSI: 00007fbf2baa3441 RDI: 0000000000000013
[ 13.925049] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000002
[ 13.925050] R10: 0000000000000013 R11: 0000000000000246 R12: 00007fbf2baa3441
[ 13.925051] R13: 000056106b062620 R14: 000056106b0610c0 R15: 000056106b0640d0
[ 13.925053] </TASK>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6a6f457ed5fdf6777536c20644a9e42128a50ec2 ]
Check sta_rates pointer value in mt7615_sta_rate_tbl_update routine
since minstrel_ht_update_rates can fail allocating rates array.
Fixes: 04b8e65922f63 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit fc8e2c707ce11c8ec2e992885b0d53a5e04031ac ]
Check sta_rates pointer value in mt7603_sta_rate_tbl_update routine
since minstrel_ht_update_rates can fail allocating rates array.
Fixes: c8846e1015022 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit abdb8bc94be4cf68aa71c9a8ee0bad9b3e6f52d3 ]
Similar to mt7915_mcu_wtbl_generic_tlv, rely on vif->bss_conf.aid for
aid in sta mode and not on sta->aid.
Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a56b1b0f145ef2d6bb9312dedf3ab8558ef50a5b ]
mac80211 provides aid in vif->bss_conf.aid for sta mode and not in
sta->aid. Fix mt7915_mcu_wtbl_generic_tlv routine using proper value for
aid in sta mode.
Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c upstream.
Fix the following NULL pointer dereference in mt7915_get_phy_mode
routine adding an ibss interface to the mt7915 driver.
[ 101.137097] wlan0: Trigger new scan to find an IBSS to join
[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69
[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 103.073670] Mem abort info:
[ 103.076520] ESR = 0x96000005
[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits
[ 103.084934] SET = 0, FnV = 0
[ 103.088042] EA = 0, S1PTW = 0
[ 103.091215] Data abort info:
[ 103.094104] ISV = 0, ISS = 0x00000005
[ 103.098041] CM = 0, WnR = 0
[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000
[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[ 103.116590] Internal error: Oops: 96000005 [#1] SMP
[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0
[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)
[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]
[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)
[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]
[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]
[ 103.223927] sp : ffffffc011cdb9e0
[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098
[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40
[ 103.237855] x25: 0000000000000001 x24: 000000000000011f
[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918
[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58
[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000
[ 103.259094] x17: 0000000000000000 x16: 0000000000000001
[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8
[ 103.269713] x13: 0000000000000000 x12: 0000000000000000
[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000
[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88
[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44
[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001
[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001
[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011
[ 103.306882] Call trace:
[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]
[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]
[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]
[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]
[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]
[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]
[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]
[ 103.348495] process_one_work+0x288/0x690
[ 103.352499] worker_thread+0x70/0x464
[ 103.356157] kthread+0x144/0x150
[ 103.359380] ret_from_fork+0x10/0x18
[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)
Fixes: 37f4ca907c46 ("mt76: mt7915: register per-phy HE capabilities for each interface")
Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/ddae419a740f1fb9e48afd432035e9f394f512ee.1637239456.git.lorenzo@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 161cc13912d3c3e8857001988dfba39be842454a ]
For broadcast/multicast wcid, the muar_idx should be 0xe.
Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit afa0370f3a3a64af6d368da0bedd72ab2a026cd0 ]
Fix tag len error for sta_rec_wtbl, which causes fw parsing error for
the tags placed behind it.
Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e500c9470e26be66eb2bc6de773ae9091149118a ]
Fix possible infinite loop in mt7915_load_patch if
mt7915_mcu_patch_sem_ctrl always returns an error.
Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c33edef520213feccebc22c9474c685b9fb60611 ]
Fix the following sparse warning in mt76x02_mac_write_txwi and
mt76x02_mac_tx_rate_val routines:
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c:237:19:
warning: restricted __le16 degrades to intege
warning: cast from restricted __le16
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c:383:28:
warning: incorrect type in assignment (different base types)
expected restricted __le16 [usertype] rate
got unsigned long
Fixes: db9f11d3433f7 ("mt76: store wcid tx rate info in one u32 reduce locking")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d81bfb41e30c42531536c5d2baa4d275a8309715 ]
Fix the following sparse warning in mt7615_mac_write_txwi routine:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:758:17:
warning: incorrect type in assignment
expected restricted __le32 [usertype]
got unsigned long
Fixes: 04b8e65922f63 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Fixes: d4bf77bd74930 ("mt76: mt7615: introduce mt7663u support to mt7615_write_txwi")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d45dac0732a287fc371a23f257cce04e65627947 ]
The bounds check on datalen is off-by-one, so fix it.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2707ff4dd7b1479dbd44ebb3c74788084cc95245 ]
The value of station mode is always 0.
Fixed: 00b2e16e0063 ("mt76: mt7915: add TxBF capabilities")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ec8f1a90d006f7cedcf86ef19fd034a406a213d6 ]
Rely on the txs fixed-rate bit instead of info->control.rates
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8d3cdc1bbb1d355f0ebef973175ae5fd74286feb ]
Fix theoretical NULL pointer dereference in mt7615_tx_prepare_skb and
mt7663_usb_sdio_tx_prepare_skb routines. This issue has been identified
by code analysis.
Fixes: 6aa4ed7927f11 ("mt76: mt7615: implement DMA support for MT7622")
Fixes: 4bb586bc33b98 ("mt76: mt7663u: sync probe sampling with rate configuration")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d7400a2f3e295b8cee692c7a66e10f60015a3c37 ]
Even if this is not a real issue since mt76_tx is never run with wcid set
to NULL, fix a theoretical NULL pointer dereference in mt76_tx routine
Fixes: db9f11d3433f7 ("mt76: store wcid tx rate info in one u32 reduce locking")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5c7d374444afdeb9dd534a37c4f6c13af032da0c ]
Fixes hardware wakeup issues
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a226ccd04c479ccd23d6927c64bad1b441707f70 ]
Fix incorrect txpower init value for TSSI off chips which causes
too small txpower.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4b36cc6b390f18dbc59a45fb4141f90d7dfe2b23 ]
When operating two VAP on a MT7610 with encryption (PSK2, SAE, OWE),
only the first one to be created will transmit properly encrypteded
frames.
All subsequently created VAPs will sent out frames with the payload left
unencrypted, breaking multicast traffic (ICMP6 NDP) and potentially
disclosing information to a third party.
Disable GTK offloading and encrypt these frames in software to
circumvent this issue. THis only seems to be necessary on MT7610 chips,
as MT7612 is not affected from our testing.
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 858ebf446bee7d5077bd99488aae617908c3f4fe ]
EEPROM blobs for MT7613BE radios start with (little endian) 0x7663,
which is also the PCI device ID for this device. The EEPROM is required
for the radio to work at useful power levels, otherwise only the lowest
power level is available.
Suggested-by: Georgi Vlaev <georgi.vlaev@konsulko.com>
Tested-by: Stijn Segers <foss@volatilesystems.org>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8ab31da7b89f71c4c2defcca989fab7b42f87d71 ]
mt7615_tx_token_put() should get call before mt76_free_pending_txwi().
Fixes: a6275e934605 ("mt76: mt7615: reset token when mac_reset happens")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 45247a85614b49b07b9dc59a4e6783b17e766ff2 ]
Use the additional memory barrier to ensure the skb list up-to-date
between the skb producer and consumer to avoid the invalid skb content
written into sdio controller and then cause device hang due to mcu assert
caught by WR_TIMEOUT_INT.
Fixes: 1522ff731f84 ("mt76: mt7663s: introduce sdio tx aggregation")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 455ae5aabcc72fed7e5c803d59d122415500dc08 ]
Each packet should be padded with the additional zero to become 4-bytes
alignment in sdio tx aggregation.
Fixes: 1522ff731f84 ("mt76: mt7663s: introduce sdio tx aggregation")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2b35050a321865859fd2f12a3c18ed7be27858c9 ]
In order to properly report MIB counters to mac80211, resets stats in
mt7915_get_stats routine() and hold mt76 mutex accessing MIB counters.
Sum up MIB counters in mt7915_mac_update_mib_stats routine.
Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2eb6f6c437745bce46bd7a8f3a22a732d5b9becb ]
In order to properly report MIB counters to mac80211, resets stats in
mt7615_get_stats routine and hold mt76 mutex accessing MIB counters.
Sum up MIB counters in mt7615_mac_update_mib_stats routine.
Fixes: c388d8584bc83 ("mt76: mt7615: add a get_stats() callback")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9fb9d755fae20b5ad62ef8b4e9289e5baea2c6fc ]
Similar to mt7921, fix 802.11 aggr len debugfs reporting for mt7915 driver.
Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7dcf3c04f0aca746517a77433b33d40868ca4749 ]
The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries
Reported-by: Ben Greear <greearb@candelatech.com>
Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 ]
The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries
Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit b4403cee6400c5f679e9c4a82b91d61aa961eccf upstream.
With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap
could potentially inherit a non-zero value from stack garbage.
If this happens, it will cause DMA mappings for MCU command frames to not be
unmapped after completion
Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 06991d1f73a9bdbc5f234ee96737b9102705b89c upstream.
We should use ieee80211_free_txskb() to report skb status avoid wrong
aql accounting after reset.
Cc: stable@vger.kernel.org
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ae064fc0e32a4d28389086d9f4b260a0c157cfee ]
When running out of room in the tx queue after calling drv->tx_prepare_skb,
the buffer list will already have been modified on MT7615 and newer drivers.
This can leak a DMA mapping and will show up as swiotlb allocation failures
on x86.
Fix this by moving the queue length check further up. This is less accurate,
since it can overestimate the needed room in the queue on MT7615 and newer,
but the difference is small enough to not matter in practice.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210216135119.23809-1-nbd@nbd.name
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit d0bd52c591a1070c54dc428e926660eb4f981099 upstream.
Commit b102f0c522cf6 ("mt76: fix array overflow on receiving too many
fragments for a packet") fixes a possible OOB access but it introduces a
memory leak since the pending frame is not released to page_frag_cache
if the frag array of skb_shared_info is full. Commit 93a1d4791c10
("mt76: dma: fix a possible memory leak in mt76_add_fragment()") fixes
the issue but does not free the truncated skb that is forwarded to
mac80211 layer. Fix the leftover issue discarding even truncated skbs.
Fixes: 93a1d4791c10 ("mt76: dma: fix a possible memory leak in mt76_add_fragment()")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/a03166fcc8214644333c68674a781836e0f57576.1612697217.git.lorenzo@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a6275e934605646ef81b02d8d1164f21343149c9 ]
Reset token in mt7615_mac_reset_work() to avoid possible leakege.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0211c282bc8aaa15343aadbc6e23043e7057f77d ]
Similar to mt7915 driver, fix mt7615 radar mcu command endianness
Fixes: 2ce73efe0f8e5 ("mt76: mt7615: initialize radar specs from host driver")
Fixes: 70911d9638069 ("mt76: mt7615: add radar pattern test knob to debugfs")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cee236e1489ecca9d23d6ce6f60d126cc651a5ba ]
Multiple MCU messages were using u16/u32 fields without endian annotations
or conversions
Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Fixes: 5517f78b0063 ("mt76: mt7915: enable firmware module debug support")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 93a1d4791c10d443bc67044def7efee2991d48b7 ]
Fix a memory leak in mt76_add_fragment routine returning the buffer
to the page_frag_cache when we receive a new fragment and the
skb_shared_info frag array is full.
Fixes: b102f0c522cf6 ("mt76: fix array overflow on receiving too many fragments for a packet")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/4f9dd73407da88b2a552517ce8db242d86bf4d5c.1611616130.git.lorenzo@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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