Add AGG event handling in the RX path to receive packet data
on AGG rings. This enables Jumbo and HDS functionality.
Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Rajashekar Hudumula <rajashekar.hudumula@broadcom.com>
Link: https://patch.msgid.link/20260128185623.26559-7-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add functions to support xmit along with TSO/GSO.
Also, add functions to handle TX completion events in the NAPI context.
This commit introduces the fundamental transmit data path
Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Rajashekar Hudumula <rajashekar.hudumula@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260128185623.26559-5-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the HWRM completion for a sent request lands on the NQ,
add functions to handle the HWRM completion event.
Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Rajashekar Hudumula <rajashekar.hudumula@broadcom.com>
Link: https://patch.msgid.link/20260128185623.26559-4-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support to receive packet using NAPI, build and deliver the skb
to stack. With help of meta data available in completions, fill the
appropriate information in skb.
Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Rajashekar Hudumula <rajashekar.hudumula@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260128185623.26559-3-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The IRQ handler extracts if_id from the upper 16 bits of the hardware
status register and uses it to index into ethsw->ports[] without
validation. Since if_id can be any 16-bit value (0-65535) but the ports
array is only allocated with sw_attr.num_ifs elements, this can lead to
an out-of-bounds read potentially.
Add a bounds check before accessing the array, consistent with the
existing validation in dpaa2_switch_rx().
Reported-by: Yuhao Jiang <danisjiang@gmail.com>
Reported-by: Junrui Luo <moonafterrain@outlook.com>
Fixes: 24ab724f8a ("dpaa2-switch: use the port index in the IRQ handler")
Signed-off-by: Junrui Luo <moonafterrain@outlook.com>
Link: https://patch.msgid.link/SYBPR01MB7881D420AB43FF1A227B84AFAF91A@SYBPR01MB7881.ausprd01.prod.outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Similar to Lantech 8330-262D-E, the Lantech 8330-265D also reports
2500MBd instead of 3125MBd.
Also, all 8330-265D report normal RX_LOS in EEPROM, but some signal
inverted RX_LOS. We therefore need to ignore RX_LOS on these modules.
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20260128170044.15576-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch updates the count_eot calculation for CN20K devices.
Where the count_eot feild extended to 2 bits, while maintaining
CN10K compatibility where only bit 0 is used.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260128022448.4402-1-gakula@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Zilin Guan says:
====================
net: liquidio: Fix memory leaks in setup_nic_devices()
This series fixes memory leaks in the initialization paths of the
NIC devices.
Patch 1 moves the initialization of oct->props[i].netdev before queue
setup calls. This ensures that if queue setup fails, the cleanup function
can find and free the allocated netdev. It also initializes lio->oct_dev
early to prevent a crash in the cleanup path.
Patch 2 fixes an off-by-one error in the PF cleanup loop. It ensures
the current device index is cleaned up and correctly handles the
post-loop devlink_alloc failure case.
Patch 3 fixes the same off-by-one error in the VF cleanup loop.
====================
Link: https://patch.msgid.link/20260128154440.278369-1-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In setup_nic_devices(), the initialization loop jumps to the label
setup_nic_dev_free on failure. The current cleanup loop while(i--)
skip the failing index i, causing a memory leak.
Fix this by changing the loop to iterate from the current index i
down to 0.
Compile tested only. Issue found using code review.
Fixes: 846b46873e ("liquidio CN23XX: VF offload features")
Suggested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20260128154440.278369-4-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In setup_nic_devices(), the initialization loop jumps to the label
setup_nic_dev_free on failure. The current cleanup loop while(i--)
skip the failing index i, causing a memory leak.
Fix this by changing the loop to iterate from the current index i
down to 0.
Also, decrement i in the devlink_alloc failure path to point to the
last successfully allocated index.
Compile tested only. Issue found using code review.
Fixes: f21fb3ed36 ("Add support of Cavium Liquidio ethernet adapters")
Suggested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20260128154440.278369-3-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq().
However, the pointer to this structure is stored in oct->props[i].netdev
only after the calls to netif_set_real_num_rx_queues() and
netif_set_real_num_tx_queues().
If either of these functions fails, setup_nic_devices() returns an error
without freeing the allocated netdev. Since oct->props[i].netdev is still
NULL at this point, the cleanup function liquidio_destroy_nic_device()
will fail to find and free the netdev, resulting in a memory leak.
Fix this by initializing oct->props[i].netdev before calling the queue
setup functions. This ensures that the netdev is properly accessible for
cleanup in case of errors.
Compile tested only. Issue found using a prototype static analysis tool
and code review.
Fixes: c33c997346 ("liquidio: enhanced ethtool --set-channels feature")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20260128154440.278369-2-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- cfg80211/mac80211
- most of EPPKE/802.1X over auth frames support
- additional FTM capabilities
- split up drop reasons better, removing generic RX_DROP
- NAN cleanups/fixes
- ath11k:
- support for Channel Frequency Response measurement
- ath12k:
- support for the QCC2072 chipset
- iwlwifi:
- partial NAN support
- UNII-9 support
- some UHR/802.11bn FW APIs
- remove most of MLO/EHT from iwlmvm
(such devices use iwlmld)
- rtw89:
- preparations for RTL8922DE support
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Merge tag 'wireless-next-2026-01-29' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Another fairly large set of changes, notably:
- cfg80211/mac80211
- most of EPPKE/802.1X over auth frames support
- additional FTM capabilities
- split up drop reasons better, removing generic RX_DROP
- NAN cleanups/fixes
- ath11k:
- support for Channel Frequency Response measurement
- ath12k:
- support for the QCC2072 chipset
- iwlwifi:
- partial NAN support
- UNII-9 support
- some UHR/802.11bn FW APIs
- remove most of MLO/EHT from iwlmvm
(such devices use iwlmld)
- rtw89:
- preparations for RTL8922DE support
* tag 'wireless-next-2026-01-29' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (184 commits)
wifi: iwlegacy: add missing mutex protection in il4965_store_tx_power()
wifi: iwlegacy: add missing mutex protection in il3945_store_measurement()
wifi: mac80211: use u64_stats_t with u64_stats_sync properly
wifi: p54: Fix memory leak in p54_beacon_update()
wifi: cfg80211: treat deprecated INDOOR_SP_AP_OLD control value as LPI mode
wifi: rtw88: sdio: Migrate to use sdio specific shutdown function
wifi: rsi: sdio: Migrate to use sdio specific shutdown function
sdio: Provide a bustype shutdown function
wifi: nl80211/cfg80211: support operating as RSTA in PMSR FTM request
wifi: nl80211/cfg80211: add negotiated burst period to FTM result
wifi: nl80211/cfg80211: clarify periodic FTM parameters for non-EDCA based ranging
wifi: nl80211/cfg80211: add new FTM capabilities
wifi: iwlwifi: rename struct iwl_mcc_allowed_ap_type_cmd::offset_map
wifi: iwlwifi: mvm: Remove link_id from time_events
wifi: iwlwifi: mld: change cluster_id type to u8 array
wifi: iwlwifi: support V13 of iwl_lari_config_change_cmd
wifi: iwlwifi: split bios_value_u32 to separate the header
wifi: iwlwifi: uefi: cache the DSM functions
wifi: iwlwifi: acpi: cache the DSM functions
wifi: iwlwifi: mvm: Cleanup MLO code
...
====================
Link: https://patch.msgid.link/20260129110136.176980-39-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bjørn Mork says:
====================
Airoha AN8811HB 2.5 Gbps phy support
The RFC patch posted earlier has been split into a series based on the
feedback received:
1/3: preparing the EN8811H driver for maximum reuse
2/3: adding support for the new AN8811HB hardware
3/3: adding (optional) clock driver for AN8811HB
Patch 3/3 is not required for a functional device. It is included here
for full feature parity between the EN8811H and AN8811HB drivers.
The AN8811HB phy requires new firmware, which is now available with
the 20260110 release of linux-firmware,
====================
Link: https://patch.msgid.link/20260127125547.1475164-1-bjorn@mork.no
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement clk provider driver so we can disable the clock output when it
isn't needed. This helps to reduce EMF noise
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Link: https://patch.msgid.link/20260127125547.1475164-4-bjorn@mork.no
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Airoha AN8811HB is mostly compatible with the EN8811H, adding 10Base-T
support and reducing power consumption.
This driver is based on the air_an8811hb v0.0.4 out-of-tree driver
written by "Lucien.Jheng <lucien.jheng@airoha.com>"
Firmware is available in linux-firmware. The driver has been tested with
firmware version 25110702
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Link: https://patch.msgid.link/20260127125547.1475164-3-bjorn@mork.no
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
refcounting conversions, and one for the bridge connector following the
HDMI audio reworks.
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Merge tag 'drm-misc-next-fixes-2026-01-29' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
Two fixes for NULL pointer dereference in imx8 following the bridge
refcounting conversions, and one for the bridge connector following the
HDMI audio reworks.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patch.msgid.link/20260129-efficient-jerboa-of-ecstasy-822832@houat
Commit 1ceeedb597 ("ublk: optimize UBLK_IO_UNREGISTER_IO_BUF on daemon
task") optimized ublk request buffer unregistration to use a non-atomic
reference count decrement when performed on the ublk_io's daemon task.
The optimization applied to auto buffer unregistration, which happens as
part of handling UBLK_IO_COMMIT_AND_FETCH_REQ on the daemon task.
However, commit b749965edd ("ublk: remove ublk_commit_and_fetch()")
reordered the ublk_sub_req_ref() for the completed request before the
io_buffer_unregister_bvec() call. As a result, task_registered_buffers
is already 0 when io_buffer_unregister_bvec() calls ublk_io_release()
and the non-atomic refcount optimization doesn't apply.
Move the io_buffer_unregister_bvec() call back to before
ublk_need_complete_req() to restore the reference counting optimization.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Fixes: b749965edd ("ublk: remove ublk_commit_and_fetch()")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The driver now depends on the core to tell it what the rx page size
should be for the agg ring. We must populate the ndo_default_qcfg
callback even if we don't support any queue ops.
This fixes:
Oops: divide error: 0000 [#1] SMP DEBUG_PAGEALLOC KASAN
RIP: 0010:bnxt_alloc_rx_page_pool (drivers/net/ethernet/broadcom/bnxt/bnxt.c:3852)
with fw version 225.1.109.0.
Link: https://lore.kernel.org/20250421222827.283737-20-kuba@kernel.org
Fixes: f96e1b3577 ("eth: bnxt: support qcfg provided rx page size")
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260128193258.125274-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fan Gong says:
====================
net: hinic3: Fix code styles
This patchset provides 4 code styles fixes:
Remove empty lines between error handling.
Remove defensive txq_num check.
Use array_size instead of multiplying.
SQ use SQ_CTXT_PREF_CI_HI to improve readability.
====================
Link: https://patch.msgid.link/cover.1769656467.git.zhuyikai1@h-partners.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Instead of using generic workqueue, use a dedicated kthread for optimizing
kprobes, because it can wait (sleep) for a long time inside the process
by synchronize_rcu_task(). This means other works can be stopped until it
finishes.
Link: https://lore.kernel.org/all/176970170302.114949.5175231591310436910.stgit@devnote2/
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
fl6_update_dst() is called for every TCP (and others) transmit,
and is a nop for common cases.
Split it in two parts :
1) fl6_update_dst() inline helper, small and fast.
2) __fl6_update_dst() for the exception, out of line.
Small size increase to get better TX performance.
$ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
add/remove: 2/2 grow/shrink: 8/0 up/down: 296/-125 (171)
Function old new delta
__fl6_update_dst - 104 +104
rawv6_sendmsg 2244 2284 +40
udpv6_sendmsg 3013 3043 +30
tcp_v6_connect 1514 1534 +20
cookie_v6_check 1501 1519 +18
ip6_datagram_dst_update 673 690 +17
inet6_sk_rebuild_header 499 516 +17
inet6_csk_route_socket 507 524 +17
inet6_csk_route_req 343 360 +17
__pfx___fl6_update_dst - 16 +16
__pfx_fl6_update_dst 16 - -16
fl6_update_dst 109 - -109
Total: Before=22570304, After=22570475, chg +0.00%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260128185548.3738781-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
NIX SQ manager sticky mode is known to cause stalls when multiple SQs
share an SMQ and transmit concurrently. Additionally, PSE may deadlock
on transitions between sticky and non-sticky transmissions. There is
also a credit drop issue observed when certain condition clocks are
gated.
work around these hardware errata by:
- Disabling SQM sticky operation:
- Clear TM6 (bit 15)
- Clear TM11 (bit 14)
- Disabling sticky → non-sticky transition path that can deadlock PSE:
- Clear TM5 (bit 23)
- Preventing credit drops by keeping the control-flow clock enabled:
- Set TM9 (bit 21)
These changes are applied via NIX_AF_SQM_DBG_CTL_STATUS. With this
configuration the SQM/PSE maintain forward progress under load without
credit loss, at the cost of disabling sticky optimizations.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260127125147.1642-1-gakula@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The test_rss_flow_label_6only test case fails on devices that do not
support IPv6 flow label hashing. Make it skip neatly, consistent with
the behavior of the test_rss_flow_label case.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Nimrod Oren <noren@nvidia.com>
Link: https://patch.msgid.link/20260128090217.663366-1-noren@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The driver allocates arrays for ports, FDBs, and filter blocks using
kcalloc() with ethsw->sw_attr.num_ifs as the element count. When the
device reports zero interfaces (either due to hardware configuration
or firmware issues), kcalloc(0, ...) returns ZERO_SIZE_PTR (0x10)
instead of NULL.
Later in dpaa2_switch_probe(), the NAPI initialization unconditionally
accesses ethsw->ports[0]->netdev, which attempts to dereference
ZERO_SIZE_PTR (address 0x10), resulting in a kernel panic.
Add a check to ensure num_ifs is greater than zero after retrieving
device attributes. This prevents the zero-sized allocations and
subsequent invalid pointer dereference.
Reported-by: Yuhao Jiang <danisjiang@gmail.com>
Reported-by: Junrui Luo <moonafterrain@outlook.com>
Fixes: 0b1b713704 ("staging: dpaa2-switch: handle Rx path on control interface")
Signed-off-by: Junrui Luo <moonafterrain@outlook.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/SYBPR01MB7881BEABA8DA896947962470AF91A@SYBPR01MB7881.ausprd01.prod.outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Russell King says:
====================
net: stmmac: rk: second chunk of cleanups
This series is a cut-down installment of the dwmac-rk cleanups, covering
up to the point that the AI review had its first issue with the patches.
Unfortunately, this means that we introduce ->init but do not add any
users for it yet. That will be in the next round once this has got
through AI review and merged.
====================
Link: https://patch.msgid.link/aXnrzIbZN-gaZTia@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
All the definitions of the RGMII related xxx_GMAC_CLK_xxx definitions
use the same field values to select the clock rate. Provide common
definitions for these field values, passing them in to a single macro
for each variant that generates the appropriate values for the speed
register.
No change to produced code on aarch64.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1vl3G0-00000006v3R-2ZBc@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
rk_gmac_setup() delves into the PHY's DT node to retrieve its reset
control using of_reset_control_get(). However, it never releases it
when the driver is removed. Add reset_control_put() to rk_gmac_exit()
to clean this up.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patch.msgid.link/E1vl3Fv-00000006v3L-215v@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Russell King says:
====================
net: stmmac: report active phy interface
The original patch needs dwmac-thead fixed so the PHY_INTF* definitions
do not clash.
====================
Link: https://patch.msgid.link/aXnpTy6XckPGcmg0@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Report the active PHY interface from the point of view of the dwmac
hardware to the kernel log, where the core supports reading this.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Tested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1vl36F-00000006url-1fWA@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Avoid conflicts between stmmac PHY_INTF_* and GMAC_INTF_CTRL register
definitions by replacing the PHY_ prefix with GMAC_.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1vl36A-00000006urf-19ox@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In commit 9b443e58a8 ("net: stmmac: qcom-ethqos: remove MAC_CTRL_REG
modification"), ethqos->mac_base is only written, never read. Let's
remove it.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1vl39x-00000006uvc-0A3S@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Eric Dumazet says:
====================
net: fix potential crash in net/sched/cls_u32.c
GangMin Kim provided a report and a repro fooling u32_classify().
Add skb_header_pointer_careful() variant of skb_header_pointer()
and use it in net/sched/cls_u32.c.
Later we can also use it in net/sched/act_pedit.c
====================
Link: https://patch.msgid.link/20260128141539.3404400-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This variant of skb_header_pointer() should be used in contexts
where @offset argument is user-controlled and could be negative.
Negative offsets are supported, as long as the zone starts
between skb->head and skb->data.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260128141539.3404400-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The closing #endif comment in otx2_devlink.h refers to RVU_DEVLINK_H,
but the actual header guard is OTX2_DEVLINK_H.
Fix the comment to match the correct header guard name.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260127174333.1247747-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, the dpll subsystem exports the fractional frequency offset
(FFO) in parts per million (ppm). This granularity is insufficient for
high-precision synchronization scenarios which often require parts per
trillion (ppt) resolution.
Add a new netlink attribute DPLL_A_PIN_FRACTIONAL_FREQUENCY_OFFSET_PPT
to expose the FFO in ppt.
Update the dpll netlink core to expect the driver-provided FFO value
to be in ppt. To maintain backward compatibility with existing userspace
tools, populate the legacy DPLL_A_PIN_FRACTIONAL_FREQUENCY_OFFSET
attribute by dividing the new ppt value by 1,000,000.
Update the zl3073x and mlx5 drivers to provide the FFO value in ppt:
- zl3073x: adjust the fixed-point calculation to produce ppt (10^12)
instead of ppm (10^6).
- mlx5: scale the existing ppm value by 1,000,000.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260126162253.27890-1-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix a WARN_ON() when passing an invalid handle to
drm_gem_change_handle_ioctl()
- drop ddc device reference when unloading in imx/tve.
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Merge tag 'drm-misc-fixes-2026-01-29' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.19-rc8:
- Fix a WARN_ON() when passing an invalid handle to
drm_gem_change_handle_ioctl()
- drop ddc device reference when unloading in imx/tve.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/a34d967e-b111-4b29-8c97-af3e77b5d33e@linux.intel.com
Extract `pin_init{,_internal}-{cfgs,flags}` to reduce duplication.
[ The new variables will be used later on to easily pass them to
the `scripts/generate_rust_analyzer.py` script. - Miguel ]
Acked-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@kernel.org>
Link: https://patch.msgid.link/20260127-rust-analyzer-pin-init-duplication-v3-1-118c48c35e88@kernel.org
[ Rebased. Moved new variables above. Reworded title. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
