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1,464,522 commits

Author SHA1 Message Date
Russell King (Oracle)
aa90612692 net: stmmac: pass struct stmmac_priv to host_irq_status() method
Rather than passing struct mac_device_info to the host_irq_status()
method, pass struct stmmac_priv so that we can pass the integrated
PCS to the PCS interrupt handler.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vevHr-00000002YoY-2X2i@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:36:49 -08:00
Russell King (Oracle)
879070eb4c net: stmmac: move and rename dwmac_pcs_isr()
dwmac_pcs_isr() doesn't need to be inlined into the MAC's
host_irq_status method, as handling PCS interrupts isn't performance
critical. However, there is little point calling this function unless
an interrupt is pending for the PCS.

Rename it to stmmac_integrated_pcs_irq() while moving it.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vevHm-00000002YoS-23RX@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:36:49 -08:00
Russell King (Oracle)
a2745a99ca net: stmmac: use BIT_U32() and GENMASK_U32() for PCS registers
stmmac registers a 32-bit. u32 is unsigned int. The use of BIT() and
GENMASK() leads to integer promotion to unsigned long in expressions
such as:

	u32 old = foo;

	dev_info(dev, "%08x %08x\n", old, old & BIT(1));

resulting in arg2 being accepted as compatible with the format string
and arg3 warning that the argument does not match (because the former
is unsigned int, and the latter is unsigned long.)

Fix this by defining 32-bit register bits using BIT_U32() and
GENMASK_U32() macros.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vevHh-00000002YoM-1TYL@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:36:49 -08:00
Eric Dumazet
0391ab577c net: add skbuff_clear() helper
clang is unable to inline the memset() calls in net/core/skbuff.c
when initializing allocated sk_buff.

memset(skb, 0, offsetof(struct sk_buff, tail));

This is unfortunate, because:

1) calling external memset_orig() helper adds a call/ret and
   typical setup cost.

2) offsetof(struct sk_buff, tail) == 0xb8 = 0x80 + 0x38

   On x86_64, memset_orig() performs two 64 bytes clear,
   then has to loop 7 times to clear the final 56 bytes.

skbuff_clear() makes sure the minimal and optimal code
is generated.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260109203836.1667441-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:30:57 -08:00
Jakub Kicinski
d7161b0790 Merge branch 'r8169-add-support-for-rtl8127atf-10g-fiber-sfp'
Heiner Kallweit says:

====================
r8169: add support for RTL8127ATF (10G Fiber SFP)

RTL8127ATF supports a SFP+ port for fiber modules (10GBASE-SR/LR/ER/ZR and
DAC). The list of supported modes was provided by Realtek. According to the
r8127 vendor driver also 1G modules are supported, but this needs some more
complexity in the driver, and only 10G mode has been tested so far.
Therefore mainline support will be limited to 10G for now.
The SFP port signals are hidden in the chip IP and driven by firmware.
Therefore mainline SFP support can't be used here.
The PHY driver is used by the RTL8127ATF support in r8169.
RTL8127ATF reports the same PHY ID as the TP version. Therefore use a dummy
PHY ID.
====================

Link: https://patch.msgid.link/c2ad7819-85f5-4df8-8ecf-571dbee8931b@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:29:14 -08:00
Heiner Kallweit
fef0f54551 r8169: add support for RTL8127ATF (Fiber SFP)
RTL8127ATF supports a SFP+ port for fiber modules (10GBASE-SR/LR/ER/ZR and
DAC). The list of supported modes was provided by Realtek. According to the
r8127 vendor driver also 1G modules are supported, but this needs some more
complexity in the driver, and only 10G mode has been tested so far.
Therefore mainline support will be limited to 10G for now.
The SFP port signals are hidden in the chip IP and driven by firmware.
Therefore mainline SFP support can't be used here.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Link: https://patch.msgid.link/5c390273-458f-4d92-896b-3d85f2998d7d@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:29:11 -08:00
Heiner Kallweit
c4277d21ab net: phy: realtek: add dummy PHY driver for RTL8127ATF
RTL8127ATF supports a SFP+ port for fiber modules (10GBASE-SR/LR/ER/ZR and
DAC). The list of supported modes was provided by Realtek. According to the
r8127 vendor driver also 1G modules are supported, but this needs some more
complexity in the driver, and only 10G mode has been tested so far.
Therefore mainline support will be limited to 10G for now.
The SFP port signals are hidden in the chip IP and driven by firmware.
Therefore mainline SFP support can't be used here.
This PHY driver is used by the RTL8127ATF support in r8169.
RTL8127ATF reports the same PHY ID as the TP version. Therefore use a dummy
PHY ID.  This PHY driver is used by the RTL8127ATF support in r8169.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/e3d55162-210a-4fab-9abf-99c6954eee10@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:29:11 -08:00
Jian Zhang
ae4744e173 net: mctp-i2c: fix duplicate reception of old data
The MCTP I2C slave callback did not handle I2C_SLAVE_READ_REQUESTED
events. As a result, i2c read event will trigger repeated reception of
old data, reset rx_pos when a read request is received.

Signed-off-by: Jian Zhang <zhangjian.3032@bytedance.com>
Link: https://patch.msgid.link/20260108101829.1140448-1-zhangjian.3032@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:22:36 -08:00
Jakub Kicinski
aab8aa1b8a Merge branch 'add-dwmac-glue-driver-for-motorcomm-yt6801'
Yao Zi says:

====================
Add DWMAC glue driver for Motorcomm YT6801

This series adds glue driver for Motorcomm YT6801 PCIe ethernet
controller, which is considered mostly compatible with DWMAC-4 IP by
inspecting the register layout[1]. It integrates a Motorcomm YT8531S PHY
(confirmed by reading PHY ID) and GMII is used to connect the PHY to
MAC[2].

The initialization logic of the MAC is mostly based on previous upstream
effort for the controller[3] and the Deepin-maintained downstream Linux
driver[4] licensed under GPL-2.0 according to its SPDX headers. However,
this series is a completely re-write of the previous patch series,
utilizing the existing DWMAC4 driver and introducing a glue driver only.

This series only aims to add basic networking functions for the
controller, features like WoL, RSS and LED control are omitted for now.
Testing is done on i3-4170, it reaches 939Mbps (TX)/933Mbps (RX) on
average,

YT6801 TX

Connecting to host 192.168.114.51, port 5201
[  5] local 192.168.114.50 port 52986 connected to 192.168.114.51 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   112 MBytes   938 Mbits/sec    0    950 KBytes
[  5]   1.00-2.00   sec   113 MBytes   949 Mbits/sec    0   1.08 MBytes
[  5]   2.00-3.00   sec   112 MBytes   938 Mbits/sec    0   1.08 MBytes
[  5]   3.00-4.00   sec   111 MBytes   932 Mbits/sec    0   1.13 MBytes
[  5]   4.00-5.00   sec   113 MBytes   945 Mbits/sec    0   1.13 MBytes
[  5]   5.00-6.00   sec   112 MBytes   936 Mbits/sec    0   1.13 MBytes
[  5]   6.00-7.00   sec   112 MBytes   942 Mbits/sec    0   1.19 MBytes
[  5]   7.00-8.00   sec   112 MBytes   935 Mbits/sec    0   1.19 MBytes
[  5]   8.00-9.00   sec   113 MBytes   948 Mbits/sec    0   1.19 MBytes
[  5]   9.00-10.00  sec   111 MBytes   931 Mbits/sec    0   1.19 MBytes

YT6801 RX

Connecting to host 192.168.114.50, port 5201
[  5] local 192.168.114.51 port 41578 connected to 192.168.114.50 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   113 MBytes   944 Mbits/sec    0    542 KBytes
[  5]   1.00-2.00   sec   111 MBytes   934 Mbits/sec    0    850 KBytes
[  5]   2.00-3.00   sec   111 MBytes   933 Mbits/sec    0   1.01 MBytes
[  5]   3.00-4.00   sec   112 MBytes   943 Mbits/sec    0   1.01 MBytes
[  5]   4.00-5.00   sec   111 MBytes   932 Mbits/sec    0   1.01 MBytes
[  5]   5.00-6.00   sec   111 MBytes   929 Mbits/sec    0   1.01 MBytes
[  5]   6.00-7.00   sec   112 MBytes   937 Mbits/sec    0   1.01 MBytes
[  5]   7.00-8.00   sec   112 MBytes   941 Mbits/sec    0   1.01 MBytes
[  5]   8.00-9.00   sec   111 MBytes   929 Mbits/sec    0   1.01 MBytes
[  5]   9.00-10.00  sec   111 MBytes   932 Mbits/sec    0   1.01 MBytes
====================

Link: https://patch.msgid.link/20260109093445.46791-2-me@ziyao.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:20:59 -08:00
Yao Zi
40ca42c842 MAINTAINERS: Assign myself as maintainer of Motorcomm DWMAC glue driver
I volunteer to maintain the DWMAC glue driver for Motorcomm ethernet
controllers.

Signed-off-by: Yao Zi <me@ziyao.cc>
Link: https://patch.msgid.link/20260109093445.46791-5-me@ziyao.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:20:56 -08:00
Yao Zi
02ff155ea2 net: stmmac: Add glue driver for Motorcomm YT6801 ethernet controller
Motorcomm YT6801 is a PCIe ethernet controller based on DWMAC4 IP. It
integrates an GbE phy, supporting WOL, VLAN tagging and various types
of offloading. It ships an on-chip eFuse for storing various vendor
configuration, including MAC address.

This patch adds basic glue code for the controller, allowing it to be
set up and transmit data at a reasonable speed. Features like WOL could
be implemented in the future.

Signed-off-by: Yao Zi <me@ziyao.cc>
Tested-by: Mingcong Bai <jeffbai@aosc.io>
Tested-by: Runhua He <hua@aosc.io>
Tested-by: Xi Ruoyao <xry111@xry111.site>
Reviewed-by: Sai Krishna <saikrishnag@marvell.com>
Link: https://patch.msgid.link/20260109093445.46791-4-me@ziyao.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:20:56 -08:00
Yao Zi
365e649361 net: phy: motorcomm: Support YT8531S PHY in YT6801 Ethernet controller
YT6801's internal PHY is confirmed as a GMII-capable variant of YT8531S
by a previous series[1] and reading PHY ID. Add support for
PHY_INTERFACE_MODE_GMII for YT8531S to allow the Ethernet driver to
reuse the PHY code for its internal PHY.

Link: https://lore.kernel.org/all/a48d76ac-db08-46d5-9528-f046a7b541dc@motor-comm.com/ # [1]
Co-developed-by: Frank Sae <Frank.Sae@motor-comm.com>
Signed-off-by: Frank Sae <Frank.Sae@motor-comm.com>
Signed-off-by: Yao Zi <me@ziyao.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/20260109093445.46791-3-me@ziyao.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:20:56 -08:00
Lorenzo Bianconi
dfdf774656 net: airoha: Fix typo in airoha_ppe_setup_tc_block_cb definition
Fix Typo in airoha_ppe_dev_setup_tc_block_cb routine definition when
CONFIG_NET_AIROHA is not enabled.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601090517.Fj6v501r-lkp@intel.com/
Fixes: f45fc18b6d ("net: airoha: Add airoha_ppe_dev struct definition")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260109-airoha_ppe_dev_setup_tc_block_cb-typo-v1-1-282e8834a9f9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:17:24 -08:00
Ankit Khushwaha
088f35ab9f selftests/net/ipsec: Fix variable size type not at the end of struct
The "struct alg" object contains a union of 3 xfrm structures:

	union {
		struct xfrm_algo;
		struct xfrm_algo_aead;
		struct xfrm_algo_auth;
	}

All of them end with a flexible array member used to store key material,
but the flexible array appears at *different offsets* in each struct.
bcz of this, union itself is of variable-sized & Placing it above
char buf[...] triggers:

ipsec.c:835:5: warning: field 'u' with variable sized type 'union
(unnamed union at ipsec.c:831:3)' not at the end of a struct or class
is a GNU extension [-Wgnu-variable-sized-type-not-at-end]
  835 |                 } u;
      |                   ^

one fix is to use "TRAILING_OVERLAP()" which works with one flexible
array member only.

But In "struct alg" flexible array member exists in all union members,
but not at the same offset, so TRAILING_OVERLAP cannot be applied.

so the fix is to explicitly overlay the key buffer at the correct offset
for the largest union member (xfrm_algo_auth). This ensures that the
flexible-array region and the fixed buffer line up.

No functional change.

Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Ankit Khushwaha <ankitkhushwaha.linux@gmail.com>
Link: https://patch.msgid.link/20260109152201.15668-1-ankitkhushwaha.linux@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:15:04 -08:00
Thorsten Blum
e405b3c9d4 net: ipconfig: Remove outdated comment and indent code block
The comment has been around ever since commit 1da177e4c3
("Linux-2.6.12-rc2") and can be removed. Remove it and indent the code
block accordingly.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260109121128.170020-2-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 19:11:35 -08:00
Alexei Starovoitov
9c1a3525fd Merge branch 'use-correct-destructor-kfunc-types'
Sami Tolvanen says:

====================
While running BPF self-tests with CONFIG_CFI (Control Flow
Integrity) enabled, I ran into a couple of failures in
bpf_obj_free_fields() caused by type mismatches between the
btf_dtor_kfunc_t function pointer type and the registered
destructor functions.

It looks like we can't change the argument type for these
functions to match btf_dtor_kfunc_t because the verifier doesn't
like void pointer arguments for functions used in BPF programs,
so this series fixes the issue by adding stubs with correct types
to use as destructors for each instance of this I found in the
kernel tree.

The last patch changes btf_check_dtor_kfuncs() to enforce the
function type when CFI is enabled, so we don't end up registering
destructors that panic the kernel.

v5:
- Rebased on bpf-next/master again.

v4: https://lore.kernel.org/bpf/20251126221724.897221-6-samitolvanen@google.com/
- Rebased on bpf-next/master.
- Renamed CONFIG_CFI_CLANG to CONFIG_CFI.
- Picked up Acked/Tested-by tags.

v3: https://lore.kernel.org/bpf/20250728202656.559071-6-samitolvanen@google.com/
- Renamed the functions and went back to __bpf_kfunc based
  on review feedback.

v2: https://lore.kernel.org/bpf/20250725214401.1475224-6-samitolvanen@google.com/
- Annotated the stubs with CFI_NOSEAL to fix issues with IBT
  sealing on x86.
- Changed __bpf_kfunc to explicit __used __retain.

v1: https://lore.kernel.org/bpf/20250724223225.1481960-6-samitolvanen@google.com/
====================

Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260110082548.113748-6-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-01-12 18:54:11 -08:00
Sami Tolvanen
99fde4d062 bpf, btf: Enforce destructor kfunc type with CFI
Ensure that registered destructor kfuncs have the same type
as btf_dtor_kfunc_t to avoid a kernel panic on systems with
CONFIG_CFI enabled.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260110082548.113748-10-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-01-12 18:53:57 -08:00
Sami Tolvanen
ba7f1024a1 selftests/bpf: Use the correct destructor kfunc type
With CONFIG_CFI enabled, the kernel strictly enforces that indirect
function calls use a function pointer type that matches the target
function. As bpf_testmod_ctx_release() signature differs from the
btf_dtor_kfunc_t pointer type used for the destructor calls in
bpf_obj_free_fields(), add a stub function with the correct type to
fix the type mismatch.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260110082548.113748-9-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-01-12 18:53:57 -08:00
Sami Tolvanen
c99d97b466 bpf: net_sched: Use the correct destructor kfunc type
With CONFIG_CFI enabled, the kernel strictly enforces that indirect
function calls use a function pointer type that matches the
target function. As bpf_kfree_skb() signature differs from the
btf_dtor_kfunc_t pointer type used for the destructor calls in
bpf_obj_free_fields(), add a stub function with the correct type to
fix the type mismatch.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260110082548.113748-8-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-01-12 18:53:57 -08:00
Sami Tolvanen
b40a5d724f bpf: crypto: Use the correct destructor kfunc type
With CONFIG_CFI enabled, the kernel strictly enforces that indirect
function calls use a function pointer type that matches the target
function. I ran into the following type mismatch when running BPF
self-tests:

  CFI failure at bpf_obj_free_fields+0x190/0x238 (target:
    bpf_crypto_ctx_release+0x0/0x94; expected type: 0xa488ebfc)
  Internal error: Oops - CFI: 00000000f2008228 [#1]  SMP
  ...

As bpf_crypto_ctx_release() is also used in BPF programs and using
a void pointer as the argument would make the verifier unhappy, add
a simple stub function with the correct type and register it as the
destructor kfunc instead.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Tested-by: Viktor Malik <vmalik@redhat.com>
Link: https://lore.kernel.org/r/20260110082548.113748-7-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-01-12 18:53:57 -08:00
Zenm Chen
292c0bc8ac wifi: rtw89: Add support for D-Link VR Air Bridge (DWA-F18)
Add the ID 2001:3323 to the table to support an additional RTL8832AU
adapter: D-Link VR Air Bridge (DWA-F18).

Compile tested only.

Link: https://github.com/morrownr/rtw89/pull/44
Signed-off-by: Zenm Chen <zenmchen@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260112004759.6028-1-zenmchen@gmail.com
2026-01-13 10:51:21 +08:00
Zenm Chen
3116f287b8 wifi: rtw89: Add support for MSI AX1800 Nano (GUAX18N)
Add the ID 0db0:f0c8 to the table to support an additional RTL8832BU
adapter: MSI AX1800 Nano (GUAX18N).

Compile tested only.

Link: https://github.com/morrownr/rtl8852bu-20250826/pull/2
Signed-off-by: Zenm Chen <zenmchen@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260112004358.5516-1-zenmchen@gmail.com
2026-01-13 10:47:07 +08:00
Ping-Ke Shih
40714b8a21 wifi: rtw89: mac: set EDCCA configurations for RTL8922D
Update EDCCA settings of MAC part for RTL8922D to consider EDCCA state
signaled by BB circuit.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-14-pkshih@realtek.com
2026-01-13 10:34:47 +08:00
Ping-Ke Shih
6996a4c97a wifi: rtw89: mac: add an entry to enable MAC function in preinit
The preinit is to initialize partial MAC hardware needed before
downloading firmware, and then does post-init after firmware runs.

For RTL8922D, initialize some DMAC and CMAC at this step.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-13-pkshih@realtek.com
2026-01-13 10:33:36 +08:00
Ping-Ke Shih
c16673247b wifi: rtw89: mac: separate functions of CMAC power and function enable
To enable/disable CMAC function somewhere, separate controls of CMAC power
and function into individual functions. Also correct the hardware settings
by the way.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-12-pkshih@realtek.com
2026-01-13 10:31:58 +08:00
Ping-Ke Shih
baf3863146 wifi: rtw89: mac: configure DMA_STOP1 by predefined mask
For coming chip 8922DE, the DMA channel set is different from existing one,
so use predefined mask to handle the difference.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-11-pkshih@realtek.com
2026-01-13 10:30:26 +08:00
Ping-Ke Shih
7ded59e69a wifi: rtw89: mac: define preload_init for generations
The preload_init is to define preload size from memory to transmitting
buffer. The different generations should call its callback respectively
but suddenly it is missed. However, the register definitions of WiFi 6/7
are the same, things are well. For the coming RTL8922D, settings are
different, so abstract it.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-10-pkshih@realtek.com
2026-01-13 10:29:15 +08:00
Ping-Ke Shih
a69c2c9a58 wifi: rtw89: mac: update WP quota for RTL8922D
WP (WiFi payload) quota is to point to payload being transmitting in
memory. Assign quota to indicate WP page full.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-9-pkshih@realtek.com
2026-01-13 10:27:40 +08:00
Ping-Ke Shih
9cf039ee49 wifi: rtw89: mac: update MPDU quota according to chip DLE definition
MPDU quota is to define number of memory used to handle packets in DLE
(Data Link Engine). All chips use the same value before, but the RTL8922D
need to use chip specific value.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-8-pkshih@realtek.com
2026-01-13 10:25:56 +08:00
Ping-Ke Shih
70cd273aae wifi: rtw89: mac: set quota 13 for PLE SNRPT
The RTL8922D has additional quota 13 of SNRPT for PLE (payload engine).
Set value to the quota according to predefined tables.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-7-pkshih@realtek.com
2026-01-13 10:24:19 +08:00
Ping-Ke Shih
5afb451bb5 wifi: rtw89: mac: add dle_mem and ple_{min,max}_qt quota for RTL8922D
The quota of DLE and PLE depends on hardware design and consideration of
performance and application. Define them accordingly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-6-pkshih@realtek.com
2026-01-13 10:22:43 +08:00
Ping-Ke Shih
9d6a2a636c wifi: rtw89: mac: remove unnecessary return from rtw89_fwdl_secure_idmem_share_mode()
The return type of rtw89_fwdl_secure_idmem_share_mode() is void, so no need
a return.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-5-pkshih@realtek.com
2026-01-13 10:21:30 +08:00
Thorsten Blum
99853d9dae ecryptfs: Replace memcpy + NUL termination in ecryptfs_copy_filename
Use kmemdup_nul() to copy 'name' instead of using memcpy() followed by a
manual NUL termination.  Remove the local return variable and the goto
label to simplify the code.  No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Tyler Hicks <code@tyhicks.com>
Signed-off-by: Tyler Hicks <code@tyhicks.com>
2026-01-12 20:21:27 -06:00
Chia-Yuan Li
286bb07889 wifi: rtw89: coex: update coex software control for RTL8922D
Update software control API due to 8922D PTA hardware changes.

Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-4-pkshih@realtek.com
2026-01-13 10:20:03 +08:00
Ping-Ke Shih
ed2feda12f wifi: rtw89: coex: update scoreboard value according to power state for two BT
Assign timeslot to WiFi if power state is on. Since firmware isn't working
at this moment, write scoreboard register to notify BT. Extend the code to
support two BT for coming chips.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-3-pkshih@realtek.com
2026-01-13 10:19:48 +08:00
Ping-Ke Shih
95052ab2d7 wifi: rtw89: coex: make coex scoreboard as chip info
The coex scoreboard is to exchange WiFi and BT profiles, and the coming
chip 8922D changes the design including extend to two scoreboards and
individual register for cfg/get. Follow the changes to abstract current
code, but not change logic for existing chips at all.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260108120320.2217402-2-pkshih@realtek.com
2026-01-13 10:18:00 +08:00
Jakub Kicinski
d2f59bf975 Merge branch 'net-stmmac-cleanups-and-low-priority-fixes'
Russell King says:

====================
net: stmmac: cleanups and low priority fixes

Further cleanups and a few low priority fixes:

- Remove duplicated register definitions from header files
- Fix harmless wrong definition used for PTP message type in
  descriptors
- Fix norm_set_tx_desc_len_on_ring() off-by-one error (and make
  enh_set_tx_desc_len_on_ring() follow a similar pattern.)
  Document the buffer size limits. I believe we never call
  norm_set_tx_desc_len_on_ring() with 2KiB lengths.
- use u32 rather than unsigned int for 32-bit quantities in
  descriptors
- modernise: convert to use FIELD_PREP() rather than separate mask
  and shift definitions.
- Reorganise register and register field definitions: registers
  defined in address offset order followed by their register field
  definitions.
- Remove lots of unused register definitions.
====================

Link: https://patch.msgid.link/aV_q2Kneinrk3Z-W@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:13 -08:00
Russell King (Oracle)
5a78fd3deb net: stmmac: remove unused definitions
Potentially unused definitions were discovered using:

$ for m in $(grep '#define ' $header | sed -e 's,#define[  ]*\([^  ]*\)[   ].*,\1,;s,(.*,,'); do if ! grep -q $m *.c; then echo $m; fi; done

Each was verified, and then removed where truly unused.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtwI-00000002Gu6-1HYu@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:12 -08:00
Russell King (Oracle)
58bc0f0bfc net: stmmac: arrange register fields after register offsets
Arrange the register fields to be after their corresponding register
offset definitions, which groups all the definitions for a register
together.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtwD-00000002Gu0-0nTN@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
8409495bf6 net: stmmac: cores: remove many xxx_SHIFT definitions
We have many xxx_SHIFT definitions along side their corresponding
xxx_MASK definitions for the various cores. Manually using the
shift and mask can be error prone, as shown with the dwmac4 RXFSTS
fix patch.

Convert sites that use xxx_SHIFT and xxx_MASK directly to use
FIELD_GET(), FIELD_PREP(), and u32_replace_bits() as appropriate.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtw8-00000002Gtu-0Hyu@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
670d10509f net: stmmac: descs: remove many xxx_SHIFT definitions
Remove many xxx_SHIFT definitions for descriptors, isntead using
FIELD_PREP(), FIELD_GET(), and u32_replace_bits() as appropriate to
manipulate the bitfields. This avoids potential errors where an
incorrect shift is used with a mask.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtw2-00000002Gto-3ZPt@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
d3b8c9b393 net: stmmac: descs: use u32 for descriptors
Use u32 rather than unsigned int for 32-bit descriptor variables.
This will allow the u32 bitfield helpers to be used. Note, we use
__le32 for the in-memory descriptor structures.

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtvx-00000002Gth-32RU@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
ec3fde9eea net: stmmac: descs: fix buffer 1 off-by-one error
norm_set_tx_desc_len_on_ring() incorrectly tests the buffer length,
leading to a length of 2048 being squeezed into a bitfield covering
bits 10:0 - which results in the buffer 1 size being zero.

If this field is zero, buffer 1 is ignored, and thus is equivalent to
transmitting a zero length buffer.

The path to norm_set_tx_desc_len_on_ring() is only possible when the
hardware does not support enhanced descriptors (plat->enh_desc clear)
which is dependent on the hardware.

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtvs-00000002Gtb-2U9G@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
e91a7e45bf net: stmmac: dwmac4: fix PTP message type field extraction
In dwmac4_wrback_get_rx_status(), the code extracts the PTP message
type from receive descriptor 1 using the dwmac enhanced descriptor
definitions:

	message_type = (rdes1 & ERDES4_MSG_TYPE_MASK) >> 8;

This is defined as:

 #define ERDES4_MSG_TYPE_MASK            GENMASK(11, 8)

The correct definition is RDES1_PTP_MSG_TYPE_MASK, which is also
defined as:

 #define RDES1_PTP_MSG_TYPE_MASK         GENMASK(11, 8)

Use the correct definition, converting to use FIELD_GET() to extract
it without needing an open-coded shift right that is dependent on the
mask definition.

As this change has no effect on the generated code, there is no need
to treat this as a bug fix.

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtvn-00000002GtV-1wCS@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:11 -08:00
Russell King (Oracle)
65b21a7d4d net: stmmac: dwmac4: fix RX FIFO fill statistics
In dwmac4_debug(), the wrong shift is used with the RXFSTS mask:

 #define MTL_DEBUG_RXFSTS_MASK          GENMASK(5, 4)
 #define MTL_DEBUG_RXFSTS_SHIFT         4
 #define MTL_DEBUG_RRCSTS_SHIFT         1

                       u32 rxfsts = (value & MTL_DEBUG_RXFSTS_MASK)
                                    >> MTL_DEBUG_RRCSTS_SHIFT;

where rxfsts is tested against small integers 1 .. 3. This results in
the tests always failing, causing the "mtl_rx_fifo__fill_level_empty"
statistic counter to always be incremented no matter what the fill
level actually is.

Fix this by using FIELD_GET() and remove the unnecessary
MTL_DEBUG_RXFSTS_SHIFT definition as FIELD_GET() will shift according
to the least siginificant set bit in the supplied field mask.

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtvi-00000002GtP-1Os1@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:10 -08:00
Russell King (Oracle)
1fd3b57371 net: stmmac: dwmac4: remove duplicated definitions
dwmac4.h duplicates some of the debug register definitions. Remove
the second copy.

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vdtvd-00000002GtJ-0qFI@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:02:10 -08:00
Jijie Shao
e02f2a0f1f net: phy: motorcomm: fix duplex setting error for phy leds
fix duplex setting error for phy leds

Fixes: 355b82c54c ("net: phy: motorcomm: Add support for PHY LEDs on YT8521")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260108071409.2750607-1-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:01:09 -08:00
Bobby Eshleman
5c024716f5 net: devmem: convert binding refcount to percpu_ref
Convert net_devmem_dmabuf_binding refcount from refcount_t to percpu_ref
to optimize common-case reference counting on the hot path.

The typical devmem workflow involves binding a dmabuf to a queue
(acquiring the initial reference on binding->ref), followed by
high-volume traffic where every skb fragment acquires a reference.
Eventually traffic stops and the unbind operation releases the initial
reference. Additionally, the high traffic hot path is often multi-core.
This access pattern is ideal for percpu_ref as the first and last
reference during bind/unbind normally book-ends activity in the hot
path.

__net_devmem_dmabuf_binding_free becomes the percpu_ref callback invoked
when the last reference is dropped.

kperf test:
- 4MB message sizes
- 60s of workload each run
- 5 runs
- 4 flows

Throughput:
	Before: 45.31 GB/s (+/- 3.17 GB/s)
	After: 48.67 GB/s (+/- 0.01 GB/s)

Picking throughput-matched kperf runs (both before and after matched at
~48 GB/s) for apples-to-apples comparison:

Summary (averaged across 4 workers):

  TX worker CPU idle %:
    Before: 34.44%
    After: 87.13%

  RX worker CPU idle %:
    Before: 5.38%
    After: 9.73%

kperf before:

client: == Source
client:   Tx 98.100 Gbps (735764807680 bytes in 60001149 usec)
client:   Tx102.798 Gbps (770996961280 bytes in 60001149 usec)
client:   Tx101.534 Gbps (761517834240 bytes in 60001149 usec)
client:   Tx 82.794 Gbps (620966707200 bytes in 60001149 usec)
client:   net CPU 56: usr: 0.01% sys: 0.12% idle:17.06% iow: 0.00% irq: 9.89% sirq:72.91%
client:   app CPU 60: usr: 0.08% sys:63.30% idle:36.24% iow: 0.00% irq: 0.30% sirq: 0.06%
client:   net CPU 57: usr: 0.03% sys: 0.08% idle:75.68% iow: 0.00% irq: 2.96% sirq:21.23%
client:   app CPU 61: usr: 0.06% sys:67.67% idle:31.94% iow: 0.00% irq: 0.28% sirq: 0.03%
client:   net CPU 58: usr: 0.01% sys: 0.06% idle:76.87% iow: 0.00% irq: 2.84% sirq:20.19%
client:   app CPU 62: usr: 0.06% sys:69.78% idle:29.79% iow: 0.00% irq: 0.30% sirq: 0.05%
client:   net CPU 59: usr: 0.06% sys: 0.16% idle:74.97% iow: 0.00% irq: 3.76% sirq:21.03%
client:   app CPU 63: usr: 0.06% sys:59.82% idle:39.80% iow: 0.00% irq: 0.25% sirq: 0.05%
client: == Target
client:   Rx 98.092 Gbps (735764807680 bytes in 60006084 usec)
client:   Rx102.785 Gbps (770962161664 bytes in 60006084 usec)
client:   Rx101.523 Gbps (761499566080 bytes in 60006084 usec)
client:   Rx 82.783 Gbps (620933136384 bytes in 60006084 usec)
client:   net CPU  2: usr: 0.00% sys: 0.01% idle:24.51% iow: 0.00% irq: 1.67% sirq:73.79%
client:   app CPU  6: usr: 1.51% sys:96.43% idle: 1.13% iow: 0.00% irq: 0.36% sirq: 0.55%
client:   net CPU  1: usr: 0.00% sys: 0.01% idle:25.18% iow: 0.00% irq: 1.99% sirq:72.80%
client:   app CPU  5: usr: 2.21% sys:94.54% idle: 2.54% iow: 0.00% irq: 0.38% sirq: 0.30%
client:   net CPU  3: usr: 0.00% sys: 0.01% idle:26.34% iow: 0.00% irq: 2.12% sirq:71.51%
client:   app CPU  7: usr: 2.22% sys:94.28% idle: 2.52% iow: 0.00% irq: 0.59% sirq: 0.37%
client:   net CPU  0: usr: 0.00% sys: 0.03% idle: 0.00% iow: 0.00% irq:10.44% sirq:89.51%
client:   app CPU  4: usr: 2.39% sys:81.46% idle:15.33% iow: 0.00% irq: 0.50% sirq: 0.30%

kperf after:

client: == Source
client:   Tx 99.257 Gbps (744447016960 bytes in 60001303 usec)
client:   Tx101.013 Gbps (757617131520 bytes in 60001303 usec)
client:   Tx 88.179 Gbps (661357854720 bytes in 60001303 usec)
client:   Tx101.002 Gbps (757533245440 bytes in 60001303 usec)
client:   net CPU 56: usr: 0.00% sys: 0.01% idle: 6.22% iow: 0.00% irq: 8.68% sirq:85.06%
client:   app CPU 60: usr: 0.08% sys:12.56% idle:87.21% iow: 0.00% irq: 0.08% sirq: 0.05%
client:   net CPU 57: usr: 0.00% sys: 0.05% idle:69.53% iow: 0.00% irq: 2.02% sirq:28.38%
client:   app CPU 61: usr: 0.11% sys:13.40% idle:86.36% iow: 0.00% irq: 0.08% sirq: 0.03%
client:   net CPU 58: usr: 0.00% sys: 0.03% idle:70.04% iow: 0.00% irq: 3.38% sirq:26.53%
client:   app CPU 62: usr: 0.10% sys:11.46% idle:88.31% iow: 0.00% irq: 0.08% sirq: 0.03%
client:   net CPU 59: usr: 0.01% sys: 0.06% idle:71.18% iow: 0.00% irq: 1.97% sirq:26.75%
client:   app CPU 63: usr: 0.10% sys:13.10% idle:86.64% iow: 0.00% irq: 0.10% sirq: 0.05%
client: == Target
client:   Rx 99.250 Gbps (744415182848 bytes in 60003297 usec)
client:   Rx101.006 Gbps (757589737472 bytes in 60003297 usec)
client:   Rx 88.171 Gbps (661319475200 bytes in 60003297 usec)
client:   Rx100.996 Gbps (757514792960 bytes in 60003297 usec)
client:   net CPU  2: usr: 0.00% sys: 0.01% idle:28.02% iow: 0.00% irq: 1.95% sirq:70.00%
client:   app CPU  6: usr: 2.03% sys:87.20% idle:10.04% iow: 0.00% irq: 0.37% sirq: 0.33%
client:   net CPU  3: usr: 0.00% sys: 0.00% idle:27.63% iow: 0.00% irq: 1.90% sirq:70.45%
client:   app CPU  7: usr: 1.78% sys:89.70% idle: 7.79% iow: 0.00% irq: 0.37% sirq: 0.34%
client:   net CPU  0: usr: 0.00% sys: 0.01% idle: 0.00% iow: 0.00% irq: 9.96% sirq:90.01%
client:   app CPU  4: usr: 2.33% sys:83.51% idle:13.24% iow: 0.00% irq: 0.64% sirq: 0.26%
client:   net CPU  1: usr: 0.00% sys: 0.01% idle:27.60% iow: 0.00% irq: 1.94% sirq:70.43%
client:   app CPU  5: usr: 1.88% sys:89.61% idle: 7.86% iow: 0.00% irq: 0.35% sirq: 0.27%

Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260107-upstream-precpu-ref-v2-v2-1-a709f098b3dc@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 18:00:12 -08:00
Jakub Kicinski
218f8dc9c2 Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2026-01-09 (ice, ixgbe, idpf)

For ice:
Grzegorz commonizes firmware loading process across all ice devices.

Michal adjusts default queue allocation to be based on
netif_get_num_default_rss_queues() rather than num_online_cpus().

For ixgbe:
Birger Koblitz adds support for 10G-BX modules.

For idpf:
Sreedevi converts always successful function to return void.

Andy Shevchenko fixes kdocs for missing 'Return:' in idpf_txrx.c file.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  idpf: Fix kernel-doc descriptions to avoid warnings
  idpf: update idpf_up_complete() return type to void
  ice: use netif_get_num_default_rss_queues()
  ixgbe: Add 10G-BX support
  ice: unify PHY FW loading status handler for E800 devices
====================

Link: https://patch.msgid.link/20260109210647.3849008-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 17:26:45 -08:00
Jakub Kicinski
669aa3e3fa First set of changes for the current -next cycle, of note:
- ath12k gets an overhaul to support multi-wiphy device
    wiphy and pave the way for future device support in the
    same driver (rather than splitting to ath13k)
  - mac80211 gets some better iteration macros
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Merge tag 'wireless-next-2026-01-12' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
First set of changes for the current -next cycle, of note:

 - ath12k gets an overhaul to support multi-wiphy device
   wiphy and pave the way for future device support in
   the same driver (rather than splitting to ath13k)

 - mac80211 gets some better iteration macros

* tag 'wireless-next-2026-01-12' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (120 commits)
  wifi: mac80211: remove width argument from ieee80211_parse_bitrates
  wifi: mac80211_hwsim: remove NAN by default
  wifi: mac80211: improve station iteration ergonomics
  wifi: mac80211: improve interface iteration ergonomics
  wifi: cfg80211: include S1G_NO_PRIMARY flag when sending channel
  wifi: mac80211: unexport ieee80211_get_bssid()
  wl1251: Replace strncpy with strscpy in wl1251_acx_fw_version
  wifi: iwlegacy: 3945-rs: remove redundant pointer check in il3945_rs_tx_status() and il3945_rs_get_rate()
  wifi: mac80211: don't send an unused argument to ieee80211_check_combinations
  wifi: libertas: fix WARNING in usb_tx_block
  wifi: mwifiex: Allocate dev name earlier for interface workqueue name
  wifi: wlcore: sdio: Use pm_ptr instead of #ifdef CONFIG_PM
  wifi: cfg80211: Fix use_for flag update on BSS refresh
  wifi: brcmfmac: rename function that frees vif
  wifi: brcmfmac: fix/add kernel-doc comments
  wifi: mac80211: Update csa_finalize to use link_id
  wifi: cfg80211: add cfg80211_stop_link() for per-link teardown
  wifi: ath12k: Skip DP peer creation for scan vdev
  wifi: ath12k: move firmware stats request outside of atomic context
  wifi: ath12k: add the missing RCU lock in ath12k_dp_tx_free_txbuf()
  ...
====================

Link: https://patch.msgid.link/20260112185836.378736-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-12 17:02:02 -08:00