| Age | Commit message (Collapse) | Author | Files | Lines |
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When delete l3s ipvlan:
ip link del link eth0 ipvlan1 type ipvlan mode l3s
This may cause a null pointer dereference:
Call trace:
ip_rcv_finish+0x48/0xd0
ip_rcv+0x5c/0x100
__netif_receive_skb_one_core+0x64/0xb0
__netif_receive_skb+0x20/0x80
process_backlog+0xb4/0x204
napi_poll+0xe8/0x294
net_rx_action+0xd8/0x22c
__do_softirq+0x12c/0x354
This is because l3mdev_l3_rcv() visit dev->l3mdev_ops after
ipvlan_l3s_unregister() assign the dev->l3mdev_ops to NULL. The process
like this:
(CPU1) | (CPU2)
l3mdev_l3_rcv() |
check dev->priv_flags: |
master = skb->dev; |
|
| ipvlan_l3s_unregister()
| set dev->priv_flags
| dev->l3mdev_ops = NULL;
|
visit master->l3mdev_ops |
To avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan.
Suggested-by: David Ahern <dsahern@kernel.org>
Fixes: c675e06a98a4 ("ipvlan: decouple l3s mode dependencies from other modes")
Signed-off-by: Wang Liang <wangliang74@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250321090353.1170545-1-wangliang74@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Previously, when the driver was printing hex dumps, the buffer was cast
to an 8 byte long and printed using string formatters. If the buffer
size was not a multiple of 8 then a read buffer overflow was possible.
Therefore, create a new ibmvnic function that loops over a buffer and
calls hex_dump_to_buffer instead.
This patch address KASAN reports like the one below:
ibmvnic 30000003 env3: Login Buffer:
ibmvnic 30000003 env3: 01000000af000000
<...>
ibmvnic 30000003 env3: 2e6d62692e736261
ibmvnic 30000003 env3: 65050003006d6f63
==================================================================
BUG: KASAN: slab-out-of-bounds in ibmvnic_login+0xacc/0xffc [ibmvnic]
Read of size 8 at addr c0000001331a9aa8 by task ip/17681
<...>
Allocated by task 17681:
<...>
ibmvnic_login+0x2f0/0xffc [ibmvnic]
ibmvnic_open+0x148/0x308 [ibmvnic]
__dev_open+0x1ac/0x304
<...>
The buggy address is located 168 bytes inside of
allocated 175-byte region [c0000001331a9a00, c0000001331a9aaf)
<...>
=================================================================
ibmvnic 30000003 env3: 000000000033766e
Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Dave Marquardt <davemarq@linux.ibm.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250320212951.11142-1-nnac123@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
More features for 6.15, major changes:
* cfg80211/mac80211: fix and enable link reconfiguration
* rtw88: support RTL8814AE/RTL8814AU
* mt7996: preparations for MLO
* ath12k: continued work on MLO
* iwlwifi: add new iwlmld sub-driver/op-mode for
some current and future devices
* wfx: wowlan support
* tag 'wireless-next-2025-03-20' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (311 commits)
wifi: mt76: mt7996: fix locking in mt7996_mac_sta_rc_work()
wifi: mt76: mt76x2u: add TP-Link TL-WDN6200 ID to device table
wifi: mt76: mt792x: re-register CHANCTX_STA_CSA only for the mt7921 series
wifi: mt76: mt7996: Update mt7996_tx to MLO support
wifi: mt76: mt7996: rework mt7996_ampdu_action to support MLO
wifi: mt76: mt7996: rework set/get_tsf callabcks to support MLO
wifi: mt76: mt7996: set vif default link_id adding/removing vif links
wifi: mt76: mt7996: rework mt7996_mcu_beacon_inband_discov to support MLO
wifi: mt76: mt7996: rework mt7996_mcu_add_obss_spr to support MLO
wifi: mt76: mt7996: rework mt7996_net_fill_forward_path to support MLO
wifi: mt76: mt7996: rework mt7996_update_mu_group to support MLO
wifi: mt76: mt7996: rework mt7996_mac_sta_poll to support MLO
wifi: mt76: mt7996: rework mt7996_mac_sta_rc_work to support MLO
wifi: mt76: mt7996: remove mt7996_mac_enable_rtscts()
wifi: mt76: mt7996: rework mt7996_sta_hw_queue_read to support MLO
wifi: mt76: mt7996: rework mt7996_set_hw_key to support MLO
wifi: mt76: mt7996: Add mt7996_sta_link to mt7996_mcu_add_bss_info signature
wifi: mt76: mt7996: rework mt7996_sta_set_4addr and mt7996_sta_set_decap_offload to support MLO
wifi: mt76: mt7996: rework mt7996_rx_get_wcid to support MLO
wifi: mt76: mt7996: Rely on wcid_to_sta in mt7996_mac_add_txs_skb()
...
====================
Link: https://patch.msgid.link/20250320131106.33266-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rockchip RK3528 (and RV1106) has a different integrated PHY compared to
the integrated PHY on RK3228/RK3328. Current powerup/down operation is
not compatible with the integrated PHY found in these newer SoCs.
Add operations to powerup/down the integrated PHY found in RK3528.
Use helpers that can be used by other GMAC variants in the future.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250319214415.3086027-6-jonas@kwiboo.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rockchip RK3528 (and RV1106) has a different integrated PHY compared to
the integrated PHY on RK3228/RK3328. Current powerup/down operation is
not compatible with the integrated PHY found in these newer SoCs.
Add a new integrated_phy_powerdown operation and change the call chain
for integrated_phy_powerup to prepare support for the integrated PHY
found in these newer SoCs.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250319214415.3086027-5-jonas@kwiboo.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rockchip RK3528 (and RV1106) has a different integrated PHY compared to
the integrated PHY on RK3228/RK3328. Current powerup/down operation is
not compatible with the integrated PHY found in these SoCs.
Move the rk_gmac_integrated_phy_powerup/down functions to top of the
file to prepare for them to be called directly by a GMAC variant
specific powerup/down operation.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250319214415.3086027-4-jonas@kwiboo.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rockchip RK3528 has two Ethernet controllers based on Synopsys DWC
Ethernet QoS IP.
Add initial support for the RK3528 GMAC variant.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://patch.msgid.link/20250319214415.3086027-3-jonas@kwiboo.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Following operations can trigger a warning[1]:
ip netns add ns1
ip netns exec ns1 ip link add bond0 type bond mode balance-rr
ip netns exec ns1 ip link set dev bond0 xdp obj af_xdp_kern.o sec xdp
ip netns exec ns1 ip link set bond0 type bond mode broadcast
ip netns del ns1
When delete the namespace, dev_xdp_uninstall() is called to remove xdp
program on bond dev, and bond_xdp_set() will check the bond mode. If bond
mode is changed after attaching xdp program, the warning may occur.
Some bond modes (broadcast, etc.) do not support native xdp. Set bond mode
with xdp program attached is not good. Add check for xdp program when set
bond mode.
[1]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/core/dev.c:9912 unregister_netdevice_many_notify+0x8d9/0x930
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.14.0-rc4 #107
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many_notify+0x8d9/0x930
Code: 00 00 48 c7 c6 6f e3 a2 82 48 c7 c7 d0 b3 96 82 e8 9c 10 3e ...
RSP: 0018:ffffc90000063d80 EFLAGS: 00000282
RAX: 00000000ffffffa1 RBX: ffff888004959000 RCX: 00000000ffffdfff
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffc90000063b48
RBP: ffffc90000063e28 R08: ffffffff82d39b28 R09: 0000000000009ffb
R10: 0000000000000175 R11: ffffffff82d09b40 R12: ffff8880049598e8
R13: 0000000000000001 R14: dead000000000100 R15: ffffc90000045000
FS: 0000000000000000(0000) GS:ffff888007a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000d406b60 CR3: 000000000483e000 CR4: 00000000000006f0
Call Trace:
<TASK>
? __warn+0x83/0x130
? unregister_netdevice_many_notify+0x8d9/0x930
? report_bug+0x18e/0x1a0
? handle_bug+0x54/0x90
? exc_invalid_op+0x18/0x70
? asm_exc_invalid_op+0x1a/0x20
? unregister_netdevice_many_notify+0x8d9/0x930
? bond_net_exit_batch_rtnl+0x5c/0x90
cleanup_net+0x237/0x3d0
process_one_work+0x163/0x390
worker_thread+0x293/0x3b0
? __pfx_worker_thread+0x10/0x10
kthread+0xec/0x1e0
? __pfx_kthread+0x10/0x10
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2f/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
---[ end trace 0000000000000000 ]---
Fixes: 9e2ee5c7e7c3 ("net, bonding: Add XDP support to the bonding driver")
Signed-off-by: Wang Liang <wangliang74@huawei.com>
Acked-by: Jussi Maki <joamaki@gmail.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250321044852.1086551-1-wangliang74@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The DesignWare core requires the receive clock to be running during
certain operations. Ensure that we block PHY RXC clock-stop during
these operations.
This is a best-efforts change - not everywhere can be covered by this
because of net's core locking, which means we can't access the MDIO
bus to configure the PHY to disable RXC clock-stop in certain areas.
These are marked with FIXME comments.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tvO6p-008Vjz-Qy@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some MACs require the PHY receive clock to be running to complete setup
actions. This may fail if the PHY has negotiated EEE, the MAC supports
receive clock stop, and the link has entered LPI state. Provide a pair
of APIs that MAC drivers can use to temporarily block the PHY disabling
the receive clock.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tvO6k-008Vjt-MZ@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As the previous commit addressed DWGMAC resuming with a PHY in
suspended state, there is now no need for socfpga to work around
this. Remove this code.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tvO6f-008Vjn-J1@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Synopsys Designware GMAC core databook requires all clocks to be
active in order to complete software reset, which we perform during
resume.
However, IEEE 802.3 allows a PHY to stop its clocks when placed in
low-power mode, which happens when the system is suspended and WoL
is not enabled.
As an attempt to work around this, commit 36d18b5664ef ("net: stmmac:
start phylink instance before stmmac_hw_setup()") started phylink
early, but this has the side effect that the mac_link_up() method may
be called before or during the initialisation of GMAC hardware.
We also have the socfpga glue driver directly calling phy_resume()
also as an attempt to work around this.
In a previous commit, phylink_prepare_resume() has been introduced
to give MAC drivers a way to ensure that the PHY is resumed prior to
their initialisation of their MAC hardware. This commit adds the call,
and moves the phylink_resume() call back to where it should be before
the aforementioned commit.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tvO6a-008Vjh-FG@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When the system is suspended, the PHY may be placed in low-power mode
by setting the BMCR 0.11 Power down bit. IEEE 802.3 states that the
behaviour of the PHY in this state is implementation specific, and
the PHY is not required to meet the RX_CLK and TX_CLK requirements.
Essentially, this means that a PHY may stop the clocks that it is
generating while in power down state.
However, MACs exist which require the clocks from the PHY to be running
in order to properly resume. phylink_prepare_resume() provides them
with a way to clear the Power down bit early.
Note, however, that IEEE 802.3 gives PHYs up to 500ms grace before the
transmit and receive clocks meet the requirements after clearing the
power down bit.
Add a resume preparation function, which will ensure that the receive
clock from the PHY is appropriately configured while resuming.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tvO6V-008Vjb-AP@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently only PCI devices are supported in Ath12k driver. Refactor
Ath12k module_init and module_exit to include Ath12k AHB support.
Add Ath12k AHB support in Kconfig with dependency on Remoteproc
driver. Ath12k AHB support relies on remoteproc driver for firmware
download, power up/down etc.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Co-developed-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-13-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Set the stop bit in SMEM to power down the userPD. Wait for stop-ack IRQ
to indicate power down completion. Release the userPD firmware using its
peripheral ID.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-12-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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UserPD firmware image is loaded and booted by ath12k driver. Get the userPD
memory region from DTS and load the firmware for userPD from pre-defined
path into io-remapped address of this region. Authenticate this image
using pasid which is a peripheral ID. Set the spawn bit to instruct Q6
to spawn userPD thread. Wait for userPD to spawn which is indicated by
spawn interrupt. Ready interrupt is triggered once the userPD is powered
up completely.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-11-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Q6 and ath12k driver communicates using SMEM and IRQs. Spawn interrupt
is triggered once the userPD thread is spawned. Ready interrupts denotes
userPD is completely powered up and ready. Stop-ack is to acknowledge
the ath12k driver that userPD is stopped. Ath12k driver needs to set spawn
bit in SMEM to instruct Q6 to spawn a userPD. Similarly stop bit is
set when userPD needs to be stopped.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-10-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Q6 processor acts as rootPD, other hardware like IPQ5332 which are
attached to Q6 act as userPDs. WCSS driver handles loading and booting
of rootPD, while the ath12k driver boots the userPD.
Get the rproc handle from the DTS entry and boot the rootPD if it
is not already powered on. Register to the rproc notifier to monitor
the rproc state, this allows ath12k driver to know power up/down
sequence of the rootPD. Power up the rootPD and wait for a power-up
notification from the notifier callback before powering up the userPDs.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Signed-off-by: Sowmiya Sree Elavalagan <quic_ssreeela@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-9-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Add Initial Ath12k AHB driver support for IPQ5332. IPQ5332 is AHB
based IEEE802.11be 2 GHz 2x2 WiFi device.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Co-developed-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-8-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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IPQ5332 firmware supports only fixed QMI firmware memory.
Hence, add support to read reserved fixed memory region from
device-tree and provide the reserved memory segments for
firmware to use during QMI firmware memory request.
Note that the ability to set the fixed memory will be introduced in
a subsequent patch. Currently, the flag remains unset by default,
ensuring that existing chipsets are unaffected.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-7-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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For IPQ5332 CE register space is moved out of WCSS region and the
space is not contiguous. Hence, add hardware params (ce_ie_addr &
ce_remap) for IPQ5332. These parameters would be used by Ath12k
AHB driver (in subsequent patches) to remap the CE registers to a
new space for accessing them.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Co-developed-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-6-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Current ath12k devices, QCN9274 and WCN7850, supports m3.bin firmware
download through ath12k driver. The new ath12k AHB based device
IPQ5332 supports m3 firmware download through remoteproc driver.
Hence, add new parameter (fw.m3_loader) in ath12k_hw_params to avoid
m3 firmware download in IPQ5332.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Co-developed-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-5-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Add ath12k_hw_params for new ath12k AHB based WiFi device IPQ5332.
Some hardware parameters like hw_ops, wmi_init & hal_ops are same
between IPQ5332 and QCN9274, hence use these same parameters for
IPQ5332.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Co-developed-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-4-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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IPQ5332 device have different register address values for the below
registers:
HAL_TCL1_RING_BASE_LSB
HAL_TCL1_RING_BASE_MSB
HAL_TCL2_RING_BASE_LSB
HAL_SEQ_WCSS_UMAC_CE0_SRC_REG
HAL_SEQ_WCSS_UMAC_CE0_DST_REG
HAL_SEQ_WCSS_UMAC_CE1_SRC_REG
HAL_SEQ_WCSS_UMAC_CE1_DST_REG
Hence, refactor ath12k_hw_regs structure to accommodate these changes
in IPQ5332.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Co-developed-by: Balamurugan S <quic_bselvara@quicinc.com>
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-3-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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In the current ath12k implementation, the CE addresses
CE_HOST_IE_ADDRESS and CE_HOST_IE_2_ADDRESS are incorrect. These
values were inherited from ath11k, but ath12k does not currently use
them.
However, the Ath12k AHB support relies on these addresses. Therefore,
correct the CE addresses for ath12k.
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Balamurugan S <quic_bselvara@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Link: https://patch.msgid.link/20250321-ath12k-ahb-v12-2-bb389ed76ae5@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Unlike X2 and EF100, we do not attempt to parse the firmware file to
find an image within it; we simply hand the entire file to the MC,
which is responsible for understanding any container formats we might
use and validating that the firmware file is applicable to this NIC.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/9a72a74002a7819c780b0a18ce9294c9d4e1db12.1742493017.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/bcb7597460a5a99d1dca4ef282f4aa2dd46ae545.1742493017.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Unlike Siena, no EF10 board ever had an external PHY, and consequently
MDIO handling isn't even built into the firmware. Since Siena has
been split out into its own driver, the MDIO code can be deleted from
the sfc driver.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/aa689d192ddaef7abe82709316c2be648a7bd66e.1742493017.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ieee80211_chanctx_conf struct is not put at the end of ath12k_link_vif.
Note ieee80211_chanctx_conf has flexible array member inside it, causing
below warning with GCC-14:
drivers/net/wireless/ath/ath12k/core.h:298:39: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Although there is no issue for now since the array is not getting used,
this should be fixed to avoid any potential data corruption issue in the
future.
Remove this struct from ath12k_link_vif, fetch it from ieee80211_bss_conf
instead when needed.
This change only applies to WCN7850, and should has no impact on other
chipsets.
This is an alternative to the solution proposed in [1].
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Closes: https://msgid.link/Z8-Snz86Xfwdlyd7@kspp # [1]
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250321-ath12k-dont-put-chanctx-in-arvif-v1-1-c8e93061952b@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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vmxnet3 does not unregister xdp rxq info in the
vmxnet3_reset_work() code path as vmxnet3_rq_destroy()
is not invoked in this code path. So, we get below message with a
backtrace.
Missing unregister, handled but fix driver
WARNING: CPU:48 PID: 500 at net/core/xdp.c:182
__xdp_rxq_info_reg+0x93/0xf0
This patch fixes the problem by moving the unregister
code of XDP from vmxnet3_rq_destroy() to vmxnet3_rq_cleanup().
Fixes: 54f00cce1178 ("vmxnet3: Add XDP support.")
Signed-off-by: Sankararaman Jayaraman <sankararaman.jayaraman@broadcom.com>
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Link: https://patch.msgid.link/20250320045522.57892-1-sankararaman.jayaraman@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For CT action with commit argument, it's usually followed by the
forward action, either to the output netdev or next chain. The default
behavior for software is to drop by setting action attribute to
TC_ACT_SHOT instead of TC_ACT_PIPE if it's the last action. But driver
can't handle it, so block the offload for such case.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1742392983-153050-6-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In nic mode CT setup where we do hairpin between the two
nics, both nics register to the same flow table (per zone),
and try to offload all rules on it.
Instead, filter the rules that originated from the relevant nic
(so only one side is offloaded for each nic).
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1742392983-153050-5-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Align mlx5 driver usage of 'pfnum' with the documentation clarification
introduced in commit bb70b0d48d8e ("devlink: Improve the port attributes
description").
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1742392983-153050-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, mlx5_is_reset_now_capable() checks whether the pci bridge is
accessible only on bridge hot plug capability check. If the pci bridge
is not accessible, reset now will fail regardless of bridge hotplug
capability. Move this check to function mlx5_is_reset_now_capable()
which, in such case, aborts the reset and does so in the request phase
instead of the reset now phase.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Amir Tzin <amirtz@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1742392983-153050-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As queue affinity is being deprecated and will no longer be supported
in the future, Always check for the presence of the port selection
namespace. When available, leverage it to distribute traffic
across the physical ports via steering, ensuring compatibility with
future NICs.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1742392983-153050-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For simplicity reasons, the driver avoids crossing work queue fragment
boundaries within the same TX WQE (Work-Queue Element). Until today, as
the number of packets in a TX MPWQE (Multi-Packet WQE) descriptor is not
known in advance, the driver pre-prepared contiguous memory for the
largest possible WQE. For this, when getting too close to the fragment
edge, having no room for the largest WQE possible, the driver was
filling the fragment remainder with NOP descriptors, aligning the next
descriptor to the beginning of the next fragment.
Generating and handling these NOPs wastes resources, like: CPU cycles,
work-queue entries fetched to the device, and PCI bandwidth.
In this patch, we replace this NOPs filling mechanism in the TX MPWQE
flow. Instead, we utilize the remaining entries of the fragment with a
TX MPWQE. If this room turns out to be too small, we simply open an
additional descriptor starting at the beginning of the next fragment.
Performance benchmark:
uperf test, single server against 3 clients.
TCP multi-stream, bidir, traffic profile "2x350B read, 1400B write".
Bottleneck is in inbound PCI bandwidth (device POV).
+---------------+------------+------------+--------+
| | Before | After | |
+---------------+------------+------------+--------+
| BW | 117.4 Gbps | 121.1 Gbps | +3.1% |
+---------------+------------+------------+--------+
| tx_packets | 15 M/sec | 15.5 M/sec | +3.3% |
+---------------+------------+------------+--------+
| tx_nops | 3 M/sec | 0 | -100% |
+---------------+------------+------------+--------+
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1742391746-118647-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-03-18 (ice, idpf)
For ice:
Przemek modifies string declarations to resolve compile issues on gcc 7.5.
Karol adds padding to initial programming of GLTSYN_TIME* registers to
ensure it will occur in the future to prevent hardware issues.
Jesse Brandeburg turns off driver RDMA capability when the corresponding
kernel config is not enabled to aid in preventing resource exhaustion.
Jan adjusts type declaration to properly catch error conditions and
prevent truncation of values. He also adds bounds checking to prevent
overflow in ice_vc_cfg_q_quanta().
Lukasz adds checking and error reporting for invalid values in
ice_vc_cfg_q_bw().
Mateusz adds check for valid size for ice_vc_fdir_parse_raw().
For idpf:
Emil adds check, and handling, on failure to register netdev.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
idpf: check error for register_netdev() on init
ice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw()
ice: fix input validation for virtchnl BW
ice: validate queue quanta parameters to prevent OOB access
ice: stop truncating queue ids when checking
virtchnl: make proto and filter action count unsigned
ice: fix reservation of resources for RDMA when disabled
ice: ensure periodic output start time is in the future
ice: health.c: fix compilation on gcc 7.5
====================
Link: https://patch.msgid.link/20250318200511.2958251-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in cpsw/cpsw_new
drivers. ti cpsw and cpsw_new drivers set xdp headroom at least to
CPSW_HEADROOM_NA:
CPSW_HEADROOM_NA max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-7-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mana driver.
mana driver sets xdp headroom to XDP_PACKET_HEADROOM so the headroom is
large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-6-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mediatek driver.
mtk_eth_soc driver sets xdp headroom to XDP_PACKET_HEADROOM so the
headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-5-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in octeontx2 driver.
octeontx2 driver sets xdp headroom to OTX2_HEAD_ROOM
OTX2_HEAD_ROOM OTX2_ALIGN
OTX2_ALIGN 128
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-4-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in netsec driver.
netsec driver sets xdp headroom to NETSEC_RXBUF_HEADROOM:
NETSEC_RXBUF_HEADROOM max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-3-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mvpp2 driver
mvpp2 driver sets xdp headroom to:
MVPP2_MH_SIZE + MVPP2_SKB_HEADROOM
where
MVPP2_MH_SIZE 2
MVPP2_SKB_HEADROOM min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-2-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set metadata size building the skb from xdp_buff in mvneta driver
mvneta sets xdp headroom to:
MVNETA_MH_SIZE + MVNETA_SKB_HEADROOM
where
MVNETA_MH_SIZE 2
MVNETA_SKB_HEADROOM max(NET_SKB_PAD, XDP_PACKET_HEADROOM)
so the headroom is large enough to contain xdp_frame and xdp metadata.
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-1-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is an effort to achieve W=1 kernel builds without warnings.
As part of that effort Helge Deller highlighted the following warnings
in the tulip driver when compiling with W=1 and CONFIG_TULIP_MWI=n:
.../tulip_core.c: In function ‘tulip_init_one’:
.../tulip_core.c:1309:22: warning: variable ‘force_csr0’ set but not used
This patch addresses that problem using IS_ENABLED(). This approach has
the added benefit of reducing conditionally compiled code. And thus
increasing compile coverage. E.g. for allmodconfig builds which enable
CONFIG_TULIP_MWI.
Compile tested only.
No run-time effect intended.
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250318-tulip-w1-v3-1-a813fadd164d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull bitmap updates from Yury Norov:
- cpumask_next_wrap() rework (me)
- GENMASK() simplification (I Hsin)
- rust bindings for cpumasks (Viresh and me)
- scattered cleanups (Andy, Tamir, Vincent, Ignacio and Joel)
* tag 'bitmap-for-6.15' of https://github.com/norov/linux: (22 commits)
cpumask: align text in comment
riscv: fix test_and_{set,clear}_bit ordering documentation
treewide: fix typo 'unsigned __init128' -> 'unsigned __int128'
MAINTAINERS: add rust bindings entry for bitmap API
rust: Add cpumask helpers
uapi: Revert "bitops: avoid integer overflow in GENMASK(_ULL)"
cpumask: drop cpumask_next_wrap_old()
PCI: hv: Switch hv_compose_multi_msi_req_get_cpu() to using cpumask_next_wrap()
scsi: lpfc: rework lpfc_next_{online,present}_cpu()
scsi: lpfc: switch lpfc_irq_rebalance() to using cpumask_next_wrap()
s390: switch stop_machine_yield() to using cpumask_next_wrap()
padata: switch padata_find_next() to using cpumask_next_wrap()
cpumask: use cpumask_next_wrap() where appropriate
cpumask: re-introduce cpumask_next{,_and}_wrap()
cpumask: deprecate cpumask_next_wrap()
powerpc/xmon: simplify xmon_batch_next_cpu()
ibmvnic: simplify ibmvnic_set_queue_affinity()
virtio_net: simplify virtnet_set_affinity()
objpool: rework objpool_pop()
cpumask: add for_each_{possible,online}_cpu_wrap
...
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The health poll mechanism performs periodic checks to detect firmware
errors. One of the checks verifies the function is still enabled on
firmware side, but the function is enabled only after enable_hca command
completed. Start health poll after enable_hca command to avoid a race
between function enabled and first health polling.
Fixes: 9b98d395b85d ("net/mlx5: Start health poll at earlier stage of driver load")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Shay Drori <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/1742331077-102038-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When LAG creation fails, the driver reloads the RDMA devices. If RDMA
representors are present, they should also be reloaded. This step was
missed in the cited commit.
Fixes: 598fe77df855 ("net/mlx5: Lag, Create shared FDB when in switchdev mode")
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Shay Drori <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/1742331077-102038-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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sja1105_table_delete_entry()
There are actually 2 problems:
- deleting the last element doesn't require the memmove of elements
[i + 1, end) over it. Actually, element i+1 is out of bounds.
- The memmove itself should move size - i - 1 elements, because the last
element is out of bounds.
The out-of-bounds element still remains out of bounds after being
accessed, so the problem is only that we touch it, not that it becomes
in active use. But I suppose it can lead to issues if the out-of-bounds
element is part of an unmapped page.
Fixes: 6666cebc5e30 ("net: dsa: sja1105: Add support for VLAN operations")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250318115716.2124395-4-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is all that we can support timestamping, so we shouldn't accept
anything else. Also see sja1105_hwtstamp_get().
To avoid erroring out in an inconsistent state, operate on copies of
priv->hwts_rx_en and priv->hwts_tx_en, and write them back when nothing
else can fail anymore.
Fixes: a602afd200f5 ("net: dsa: sja1105: Expose PTP timestamping ioctls to userspace")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250318115716.2124395-3-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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