Add a new function, netif_subqueue_sent, which is a wrapper for
netdev_tx_sent_queue.
Drivers that use the subqueue variant macros, netif_subqueue_xxx,
identify queue by index and are not required to obtain
struct netdev_queue explicitly.
Such drivers still need to call netdev_tx_sent_queue which is a
counterpart of netif_subqueue_completed_wake. Allowing drivers to use a
subqueue variant for this purpose improves their code consistency by
always referring to queue by its index.
Signed-off-by: Gur Stavi <gur.stavi@huawei.com>
Link: https://patch.msgid.link/909a5c92db49cad39f0954d6cb86775e6480ef4c.1749038081.git.gur.stavi@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-06-09 (ice, i40e, ixgbe, iavf)
Jake moves from individual virtchnl RSS configuration values, for ice,
i40e, and iavf, to a common libie location and values.
Martyna and Dawid add counters for link_down_events to ice, i40e, and
ixgbe drivers. The counter increments only on actual physical link-down
events visible to the PHY. It does not increment when the user performs
a software-only interface down/up (e.g. ip link set dev down).
The counter does increment in cases where the interface is reinitialized
in a way that causes a real link drop - such as eg. when attaching
an XDP program, reconfiguring channels, or toggling certain priv-flags.
For ice:
Arkadiusz and Karol separate PTP and DPLL functionality to their
respective APIs.
Michal adds a separate handler for Flow Director command processing.
For iavf:
Ahmed converts driver to utilize core's IRQ affinity API.
For ixgbe:
Alok Tiwari fixes issues with some comments; typos, copy/paste errors,
etc.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
ixgbe: Fix typos and clarify comments in X550 driver code
iavf: convert to NAPI IRQ affinity API
ice: add a separate Rx handler for flow director commands
ice: add ice driver PTP pin documentation
ice: change SMA pins to SDP in PTP API
ice: redesign dpll sma/u.fl pins control
ixgbe: add link_down_events statistic
i40e: add link_down_events statistic
ice: add link_down_events statistic
net: intel: move RSS packet classifier types to libie
net: intel: rename 'hena' to 'hashcfg' for clarity
====================
Link: https://patch.msgid.link/20250609212652.1138933-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This function was introduced in commit 783da70e83 ("net: add
sock_enable_timestamps"), with one caller in rxrpc.
That only caller was removed in commit 7903d4438b ("rxrpc: Don't use
received skbuff timestamps").
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20250609153254.3504909-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The last use of t3_l2t_send_event() was removed in 2019 by
commit 30e0f6cf5a ("RDMA/iw_cxgb3: Remove the iw_cxgb3 module from
kernel")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250609152330.24027-1-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A decade ago commit 6d08acd2d3 ("in6: fix conflict with glibc")
hid the definitions of IPV6 options, because GCC was complaining
about duplicates. The commit did not list the warnings seen, but
trying to recreate them now I think they are (building iproute2):
In file included from ./include/uapi/rdma/rdma_user_cm.h:39,
from rdma.h:16,
from res.h:9,
from res-ctx.c:7:
../include/uapi/linux/in6.h:171:9: warning: ‘IPV6_ADD_MEMBERSHIP’ redefined
171 | #define IPV6_ADD_MEMBERSHIP 20
| ^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/netinet/in.h:37,
from rdma.h:13:
/usr/include/bits/in.h:233:10: note: this is the location of the previous definition
233 | # define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
| ^~~~~~~~~~~~~~~~~~~
../include/uapi/linux/in6.h:172:9: warning: ‘IPV6_DROP_MEMBERSHIP’ redefined
172 | #define IPV6_DROP_MEMBERSHIP 21
| ^~~~~~~~~~~~~~~~~~~~
/usr/include/bits/in.h:234:10: note: this is the location of the previous definition
234 | # define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
| ^~~~~~~~~~~~~~~~~~~~
Compilers don't complain about redefinition if the defines
are identical, but here we have the kernel using the literal
value, and glibc using an indirection (defining to a name
of another define, with the same numerical value).
Problem is, the commit in question hid all the IPV6 socket
options, and glibc has a pretty sparse list. For instance
it lacks Flow Label related options. Willem called this out
in commit 3fb321fde2 ("selftests/net: ipv6 flowlabel"):
/* uapi/glibc weirdness may leave this undefined */
#ifndef IPV6_FLOWINFO
#define IPV6_FLOWINFO 11
#endif
More interestingly some applications (socat) use
a #ifdef IPV6_FLOWINFO to gate compilation of thier
rudimentary flow label support. (For added confusion
socat misspells it as IPV4_FLOWINFO in some places.)
Hide only the two defines we know glibc has a problem
with. If we discover more warnings we can hide more
but we should avoid covering the entire block of
defines for "IPV6 socket options".
Link: https://patch.msgid.link/20250609143933.1654417-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for reporting additional hardware counters for drop and
TC using the ethtool -S interface.
These counters include:
- Aggregate Rx/Tx drop counters
- Per-TC Rx/Tx packet counters
- Per-TC Rx/Tx byte counters
- Per-TC Rx/Tx pause frame counters
The counters are exposed using ethtool_ops->get_ethtool_stats and
ethtool_ops->get_strings. This feature/counters are not available
to all versions of hardware.
Signed-off-by: Dipayaan Roy <dipayanroy@linux.microsoft.com>
Reviewed-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/20250609100103.GA7102@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Breno Leitao says:
====================
netconsole: Optimize console registration and improve testing
During performance analysis of console subsystem latency, I discovered that
netconsole registers console handlers even when no active targets exist.
These orphaned console handlers are invoked on every printk() call, get
the lock, iterate through empty target lists, and consume CPU cycles
without performing any useful work.
This patch series addresses the inefficiency by:
1. Implementing dynamic console registration/unregistration based on target
availability, ensuring console handlers are only active when needed
2. Adding automatic cleanup of unused console registrations when targets
are disabled or removed
3. Extending the selftest suite to cover non-extended console format,
which was previously untested
The optimization reduces printk() overhead by eliminating unnecessary
function calls and list traversals when netconsole targets are not
configured, improving overall system performance during heavy logging
scenarios.
v2: https://lore.kernel.org/20250602-netcons_ext-v2-0-ef88d999326d@debian.org
v1: https://lore.kernel.org/20250528-netcons_ext-v1-1-69f71e404e00@debian.org
====================
Link: https://patch.msgid.link/20250609-netcons_ext-v3-0-5336fa670326@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Extend the netconsole selftest to validate both basic and extended
target formats. The basic format is a simpler variant that doesn't
support userdata or release functionality.
The test now validates that netconsole works correctly in both
configurations, improving test coverage for different netconsole
deployment scenarios.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250609-netcons_ext-v3-4-5336fa670326@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Remove the exit call from validate_result() function and move the
test exit logic to the main script. This allows the function to
be reused in scenarios where the test needs to continue execution
after validation, rather than terminating immediately.
The validate_result() function should focus on validation logic
only, while the calling script maintains control over program
flow and exit conditions. This change improves code modularity
and prepares for potential future enhancements where multiple
validations might be needed in a single test run.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250609-netcons_ext-v3-3-5336fa670326@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unregister_netcons_consoles() function to automatically unregister
console handlers when no targets of the corresponding type remain active.
The function iterates through the target list to determine which console
types (basic vs extended) are still needed, and unregisters any console
handlers that are no longer required. This prevents having registered
console handlers without corresponding active targets.
The function is called when a target is disabled and moved to the cleanup
list, ensuring proper cleanup of unused console registrations.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250609-netcons_ext-v3-2-5336fa670326@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The netconsole driver currently registers the basic console driver
unconditionally during initialization, even when only extended targets
are configured. This results in unnecessary console registration and
performance overhead, as the write_msg() callback is invoked for every
log message only to return early when no matching targets are found.
Optimize the driver by conditionally registering console drivers based
on the actual target configuration. The basic console driver is now
registered only when non-extended targets exist, same as the extended
console. The implementation also handles dynamic target creation through
the configfs interface.
This change eliminates unnecessary console driver registrations,
redundant write_msg() callbacks for unused console types, and associated
lock contention and target list iterations. The optimization is
particularly beneficial for systems using only the most common extended
console type.
Fixes: e2f15f9a79 ("netconsole: implement extended console support")
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250609-netcons_ext-v3-1-5336fa670326@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Corrected spelling errors such as "simular" -> "similar",
"excepted" -> "accepted", and "Determime" -> "Determine".
Fixed including incorrect word usage ("to MAC" -> "two MAC")
and improved awkward phrasing.
Aligned function header descriptions with their actual functionality
(e.g., "Writes a value" -> "Reads a value").
Corrected typo in error code from -ENIVAL to -EINVAL.
Improved overall clarity and consistency in comment across various
functions.
These changes improve maintainability and readability of the code
without affecting functionality.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Commit bd7c00605e ("net: move aRFS rmap management and CPU affinity
to core") allows the drivers to delegate the IRQ affinity to the NAPI
instance. However, the driver needs to use a persistent NAPI config
and explicitly set/unset the NAPI<->IRQ association.
Convert to the new IRQ affinity API.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The "ice" driver implementation uses the control VSI to handle
the flow director configuration for PFs and VFs.
Unfortunately, although a separate VSI type was created to handle flow
director queues, the Rx queue handler was shared between the flow
director and a standard NAPI Rx handler.
Such a design approach was not very flexible. First, it mixed hotpath
and slowpath code, blocking their further optimization. It also created
a huge overkill for the flow director command processing, which is
descriptor-based only, so there is no need to allocate Rx data buffers.
For the above reasons, implement a separate Rx handler for the control
VSI. Also, remove from the NAPI handler the code dedicated to
configuring the flow director rules on VFs.
Do not allocate Rx data buffers to the flow director queues because
their processing is descriptor-based only.
Finally, allow Rx data queues to be allocated only for VSIs that have
netdev assigned to them.
This handler splitting approach is the first step in converting the
driver to use the Page Pool (which can only be used for data queues).
Test hints:
1. Create a VF for any PF managed by the ice driver.
2. In a loop, add and delete flow director rules for the VF, e.g.:
for i in {1..128}; do
q=$(( i % 16 ))
ethtool -N ens802f0v0 flow-type tcp4 dst-port "$i" action "$q"
done
for i in {0..127}; do
ethtool -N ens802f0v0 delete "$i"
done
Suggested-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Suggested-by: Michal Swiatkowski <michal.swiatkowski@intel.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Michal Kubiak <michal.kubiak@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Add a description of PTP pins support by the adapters to ice driver
documentation.
Reviewed-by: Milena Olech <milena.olech@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This change aligns E810 PTP pin control to all other products.
Currently, SMA/U.FL port expanders are controlled together with SDP pins
connected to 1588 clock. To align this, separate this control by
exposing only SDP20..23 pins in PTP API on adapters with DPLL.
Clear error for all E810 on absent NVM pin section or other errors to
allow proper initialization on SMA E810 with NVM section.
Use ARRAY_SIZE for pin array instead of internal definition.
Reviewed-by: Milena Olech <milena.olech@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
DPLL-enabled E810 NIC driver provides user with list of input and output
pins. Hardware internal design impacts user control over SMA and U.FL
pins. Currently end-user view on those dpll pins doesn't provide any layer
of abstraction. On the hardware level SMA and U.FL pins are tied together
due to existence of direction control logic for each pair:
- SMA1 (bi-directional) and U.FL1 (only output)
- SMA2 (bi-directional) and U.FL2 (only input)
The user activity on each pin of the pair may impact the state of the
other.
Previously all the pins were provided to the user as is, without the
control over SMA pins direction.
Introduce a software controlled layer of abstraction over external board
pins, instead of providing the user with access to raw pins connected to
the dpll:
- new software controlled SMA and U.FL pins,
- callback operations directing user requests to corresponding hardware
pins according to the runtime configuration,
- ability to control SMA pins direction.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Introduce a link_down_events counter to the ixgbe driver, incremented
each time the link transitions from up to down.
This counter can help diagnose issues related to link stability,
such as port flapping or unexpected link drops.
The value is exposed via ethtool's get_link_ext_stats() interface.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Introduce a link_down_events counter to the i40e driver, incremented
each time the link transitions from up to down.
This counter can help diagnose issues related to link stability,
such as port flapping or unexpected link drops.
The value is exposed via ethtool's get_link_ext_stats() interface.
Co-developed-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Dawid Osuchowski <dawid.osuchowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Introduce a link_down_events counter to the ice driver, incremented
each time the link transitions from up to down.
This counter can help diagnose issues related to link stability,
such as port flapping or unexpected link drops.
The value is exposed via ethtool's get_link_ext_stats() interface.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The Intel i40e, iavf, and ice drivers all include a definition of the
packet classifier filter types used to program RSS hash enable bits. For
i40e, these bits are used for both the PF and VF to configure the PFQF_HENA
and VFQF_HENA registers.
For ice and iAVF, these bits are used to communicate the desired hash
enable filter over virtchnl via its struct virtchnl_rss_hashena. The
virtchnl.h header makes no mention of where the bit definitions reside.
Maintaining a separate copy of these bits across three drivers is
cumbersome. Move the definition to libie as a new pctype.h header file.
Each driver can include this, and drop its own definition.
The ice implementation also defined a ICE_AVF_FLOW_FIELD_INVALID, intending
to use this to indicate when there were no hash enable bits set. This is
confusing, since the enumeration is using bit positions. A value of 0
*should* indicate the first bit. Instead, rewrite the code that uses
ICE_AVF_FLOW_FIELD_INVALID to just check if the avf_hash is zero. From
context this should be clear that we're checking if none of the bits are
set.
The values are kept as bit positions instead of encoding the BIT_ULL
directly into their value. While most users will simply use BIT_ULL
immediately, i40e uses the macros both with BIT_ULL and test_bit/set_bit
calls.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
i40e, ice, and iAVF all use 'hena' as a shorthand for the "hash enable"
configuration. This comes originally from the X710 datasheet 'xxQF_HENA'
registers. In the context of the registers the meaning is fairly clear.
However, on its own, hena is a weird name that can be more difficult to
understand. This is especially true in ice. The E810 hardware doesn't even
have registers with HENA in the name.
Replace the shorthand 'hena' with 'hashcfg'. This makes it clear the
variables deal with the Hash configuration, not just a single boolean
on/off for all hashing.
Do not update the register names. These come directly from the datasheet
for X710 and X722, and it is more important that the names can be searched.
Suggested-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Current release - regressions:
- Revert "kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN
in all_tests", makes kunit error out if compiler is old
- wifi: iwlwifi: mvm: fix assert on suspend
- rxrpc: fix return from none_validate_challenge()
Current release - new code bugs:
- ovpn: couple of fixes for socket cleanup and UDP-tunnel teardown
- can: kvaser_pciefd: refine error prone echo_skb_max handling logic
- fix net_devmem_bind_dmabuf() stub when DEVMEM not compiled
- eth: airoha: fixes for config / accel in bridge mode
Previous releases - regressions:
- Bluetooth: hci_qca: move the SoC type check to the right place,
fix GPIO integration
- prevent a NULL deref in rtnl_create_link() after locking changes
- fix udp gso skb_segment after pull from frag_list
- hv_netvsc: fix potential deadlock in netvsc_vf_setxdp()
Previous releases - always broken:
- netfilter:
- nf_nat: also check reverse tuple to obtain clashing entry
- nf_set_pipapo_avx2: fix initial map fill (zeroing)
- fix the helper for incremental update of packet checksums after
modifying the IP address, used by ILA and BPF
- eth: stmmac: prevent div by 0 when clock rate is misconfigured
- eth: ice: fix Tx scheduler handling of XDP and changing queue count
- eth: b53: fix support for the RGMII interface when delays configured
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN, wireless, Bluetooth, and Netfilter.
Current release - regressions:
- Revert "kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN in
all_tests", makes kunit error out if compiler is old
- wifi: iwlwifi: mvm: fix assert on suspend
- rxrpc: fix return from none_validate_challenge()
Current release - new code bugs:
- ovpn: couple of fixes for socket cleanup and UDP-tunnel teardown
- can: kvaser_pciefd: refine error prone echo_skb_max handling logic
- fix net_devmem_bind_dmabuf() stub when DEVMEM not compiled
- eth: airoha: fixes for config / accel in bridge mode
Previous releases - regressions:
- Bluetooth: hci_qca: move the SoC type check to the right place, fix
GPIO integration
- prevent a NULL deref in rtnl_create_link() after locking changes
- fix udp gso skb_segment after pull from frag_list
- hv_netvsc: fix potential deadlock in netvsc_vf_setxdp()
Previous releases - always broken:
- netfilter:
- nf_nat: also check reverse tuple to obtain clashing entry
- nf_set_pipapo_avx2: fix initial map fill (zeroing)
- fix the helper for incremental update of packet checksums after
modifying the IP address, used by ILA and BPF
- eth:
- stmmac: prevent div by 0 when clock rate is misconfigured
- ice: fix Tx scheduler handling of XDP and changing queue count
- eth: fix support for the RGMII interface when delays configured"
* tag 'net-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
calipso: unlock rcu before returning -EAFNOSUPPORT
seg6: Fix validation of nexthop addresses
net: prevent a NULL deref in rtnl_create_link()
net: annotate data-races around cleanup_net_task
selftests: drv-net: tso: make bkg() wait for socat to quit
selftests: drv-net: tso: fix the GRE device name
selftests: drv-net: add configs for the TSO test
wireguard: device: enable threaded NAPI
netlink: specs: rt-link: decode ip6gre
netlink: specs: rt-link: add missing byte-order properties
net: wwan: mhi_wwan_mbim: use correct mux_id for multiplexing
wifi: cfg80211/mac80211: correctly parse S1G beacon optional elements
net: dsa: b53: do not touch DLL_IQQD on bcm53115
net: dsa: b53: allow RGMII for bcm63xx RGMII ports
net: dsa: b53: do not configure bcm63xx's IMP port interface
net: dsa: b53: do not enable RGMII delay on bcm63xx
net: dsa: b53: do not enable EEE on bcm63xx
net: ti: icssg-prueth: Fix swapped TX stats for MII interfaces.
selftests: netfilter: nft_nat.sh: add test for reverse clash with nat
netfilter: nf_nat: also check reverse tuple to obtain clashing entry
...
I am volunteering to maintain the kernel's crypto library code.
[ And Jason and Ard piped up too - Linus ]
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- remove obsolete network transports
- remove PCI IO port support
- start adding seccomp-based process handling
instead of ptrace
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Merge tag 'uml-for-linux-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Johannes Berg:
"The only really new thing is the long-standing seccomp work
(originally from 2021!). Wven if it still isn't enabled by default due
to security concerns it can still be used e.g. for tests.
- remove obsolete network transports
- remove PCI IO port support
- start adding seccomp-based process handling instead of ptrace"
* tag 'uml-for-linux-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (29 commits)
um: remove "extern" from implementation of sigchld_handler
um: fix unused variable warning
um: fix SECCOMP 32bit xstate register restore
um: pass FD for memory operations when needed
um: Add SECCOMP support detection and initialization
um: Implement kernel side of SECCOMP based process handling
um: Track userspace children dying in SECCOMP mode
um: Add helper functions to get/set state for SECCOMP
um: Add stub side of SECCOMP/futex based process handling
um: Move faultinfo extraction into userspace routine
um: vector: Use mac_pton() for MAC address parsing
um: vector: Clean up and modernize log messages
um: chan_kern: use raw spinlock for irqs_to_free_lock
MAINTAINERS: remove obsolete file entry in TUN/TAP DRIVER
um: Fix tgkill compile error on old host OSes
um: stop using PCI port I/O
um: Remove legacy network transport infrastructure
um: vector: Eliminate the dependency on uml_net
um: Remove obsolete legacy network transports
um/asm: Replace "REP; NOP" with PAUSE mnemonic
...
- Disable problematic linker assertions for broken versions of LLD.
- Work around sporadic link failure with LLD and various randconfig
builds.
- Fix missing invalidation in the TLB batching code when reclaim races
with mprotect() and friends.
- Add a command-line override for MPAM to allow booting on systems with
broken firmware.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"We've got a couple of build fixes when using LLD, a missing TLB
invalidation and a workaround for broken firmware on SoCs with CPUs
that implement MPAM:
- Disable problematic linker assertions for broken versions of LLD
- Work around sporadic link failure with LLD and various randconfig
builds
- Fix missing invalidation in the TLB batching code when reclaim
races with mprotect() and friends
- Add a command-line override for MPAM to allow booting on systems
with broken firmware"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add override for MPAM
arm64/mm: Close theoretical race where stale TLB entry remains valid
arm64: Work around convergence issue with LLD linker
arm64: Disable LLD linker ASSERT()s for the time being
- fix arch_memremap_can_ram_remap() which incorrectly passed a PFN to
memblock_is_map_memory rather than the actual address.
- "Disallow kernel mode NEON when IRQs are disabled" - this needs a
better explanation.
"To avoid having to preserve/restore kernel mode NEON state when
such a softirq is taken softirqs are now disabled when using the
NEON from task context." should explain that it's nested kernel
mode. In other words, softirqs from user mode are fine, because
the context will be preserved. softirqs from kernel mode may
be from a context that has already saved the user NEON state, and
thus we would need to preserve the NEON state for the parent kernel
mode context, and this we don't allow.
The problem occurs when the kernel context disables hard IRQs, and
then uses NEON. When it's finished, and restores the userspace NEON
state, we call local_bh_enable() with hard IRQs disabled, which
causes a warning.
This commit addresses that by disallowing the use of NEON with hard
IRQs disabled.
https://lore.kernel.org/all/20250516231858.27899-4-ebiggers@kernel.org/T/#m104841b6e9346b1814c8b0fb9f2340551b0cd3e8
has some further context.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull ARM fixes from Russell King:
- Fix arch_memremap_can_ram_remap() which incorrectly passed a PFN to
memblock_is_map_memory rather than the actual address.
- Disallow kernel mode NEON when IRQs are disabled
Explanation:
"To avoid having to preserve/restore kernel mode NEON state when
such a softirq is taken softirqs are now disabled when using the
NEON from task context."
should explain that it's nested kernel mode.
In other words, softirqs from user mode are fine, because the context
will be preserved. softirqs from kernel mode may be from a context
that has already saved the user NEON state, and thus we would need to
preserve the NEON state for the parent kernel mode context, and this
we don't allow.
The problem occurs when the kernel context disables hard IRQs, and
then uses NEON. When it's finished, and restores the userspace NEON
state, we call local_bh_enable() with hard IRQs disabled, which
causes a warning.
This commit addresses that by disallowing the use of NEON with hard
IRQs disabled.
https://lore.kernel.org/all/20250516231858.27899-4-ebiggers@kernel.org/T/#m104841b6e9346b1814c8b0fb9f2340551b0cd3e8
has some further context
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9446/1: Disallow kernel mode NEON when IRQs are disabled
ARM: 9447/1: arm/memremap: fix arch_memremap_can_ram_remap()
Core:
- support negative offsets for RTCs that have shipped with an epoch earlier
than 1970
New drivers:
- NXP S32G2/S32G3
- Sophgo CV1800
Drivers:
- loongson: fix missing alarm notifications for ACPI
- m41t80: kickstart ocillator upon failure
- mt6359: mt6357 support
- pcf8563: fix wrong alarm register
- sh: cleanups
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Merge tag 'rtc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are two new drivers this cycle. There is also support for a
negative offset for RTCs that have been shipped with a date set using
an epoch that is before 1970. This unfortunately happens with some
products that ship with a vendor kernel and an out of tree driver.
Core:
- support negative offsets for RTCs that have shipped with an epoch
earlier than 1970
New drivers:
- NXP S32G2/S32G3
- Sophgo CV1800
Drivers:
- loongson: fix missing alarm notifications for ACPI
- m41t80: kickstart ocillator upon failure
- mt6359: mt6357 support
- pcf8563: fix wrong alarm register
- sh: cleanups"
* tag 'rtc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (39 commits)
rtc: mt6359: Add mt6357 support
rtc: test: Test date conversion for dates starting in 1900
rtc: test: Also test time and wday outcome of rtc_time64_to_tm()
rtc: test: Emit the seconds-since-1970 value instead of days-since-1970
rtc: Fix offset calculation for .start_secs < 0
rtc: Make rtc_time64_to_tm() support dates before 1970
rtc: pcf8563: fix wrong alarm register
rtc: rzn1: support input frequencies other than 32768Hz
rtc: rzn1: Disable controller before initialization
dt-bindings: rtc: rzn1: add optional second clock
rtc: m41t80: reduce verbosity
rtc: m41t80: kickstart ocillator upon failure
rtc: s32g: add NXP S32G2/S32G3 SoC support
dt-bindings: rtc: add schema for NXP S32G2/S32G3 SoCs
dt-bindings: at91rm9260-rtt: add microchip,sama7d65-rtt
dt-bindings: rtc: at91rm9200: add microchip,sama7d65-rtc
rtc: loongson: Add missing alarm notifications for ACPI RTC events
rtc: sophgo: add rtc support for Sophgo CV1800 SoC
rtc: stm32: drop unused module alias
rtc: s3c: drop unused module alias
...
New support:
- Renesas RZ/V2H(P) dma support for r9a09g057
- Arm DMA-350 driver
- Tegra Tegra264 ADMA support
Updates:
- AMD ptdma driver code removal and optimizations
- Freescale edma error interrupt handler support
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Merge tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A fairly small update for the dmaengine subsystem. This has a new ARM
dmaengine driver and couple of new device support and few driver
changes:
New support:
- Renesas RZ/V2H(P) dma support for r9a09g057
- Arm DMA-350 driver
- Tegra Tegra264 ADMA support
Updates:
- AMD ptdma driver code removal and optimizations
- Freescale edma error interrupt handler support"
* tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (27 commits)
dmaengine: idxd: Remove unused pointer and macro
arm64: dts: renesas: r9a09g057: Add DMAC nodes
dmaengine: sh: rz-dmac: Add RZ/V2H(P) support
dmaengine: sh: rz-dmac: Allow for multiple DMACs
irqchip/renesas-rzv2h: Add rzv2h_icu_register_dma_req()
dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs
dt-bindings: dma: rz-dmac: Restrict properties for RZ/A1H
dmaengine: idxd: Narrow the restriction on BATCH to ver. 1 only
dmaengine: ti: Add NULL check in udma_probe()
fsldma: Set correct dma_mask based on hw capability
dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using
dmaengine: xilinx_dma: Set dma_device directions
dmaengine: tegra210-adma: Add Tegra264 support
dt-bindings: Document Tegra264 ADMA support
dmaengine: dw-edma: Add HDMA NATIVE map check
dmaegnine: fsl-edma: add edma error interrupt handler
dt-bindings: dma: fsl-edma: increase maxItems of interrupts and interrupt-names
dmaengine: ARM_DMA350 should depend on ARM/ARM64
dt-bindings: dma: qcom,bam: Document dma-coherent property
dmaengine: Add Arm DMA-350 driver
...
- New Support
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for this
support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
- Updates
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy
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Merge tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"As usual featuring couple of new driver and bunch of new device
support and some driver changes to Freescale, rockchip driver along
with couple of yaml binding conversions.
New Support:
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for
this support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
Updates:
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy"
* tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (77 commits)
phy: tegra: p2u: Broaden architecture dependency
phy: rockchip: inno-usb2: Add usb2 phy support for rk3562
dt-bindings: phy: rockchip,inno-usb2phy: add rk3562
phy: rockchip: inno-usb2: add phy definition for rk3036
dt-bindings: phy: rockchip,inno-usb2phy: add rk3036 compatible
phy: freescale: fsl-samsung-hdmi: Improve LUT search for best clock
phy: freescale: fsl-samsung-hdmi: Refactor finding PHY settings
phy: freescale: fsl-samsung-hdmi: Rename phy_clk_round_rate
phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P)
phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number
dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC
dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family
phy: exynos5-usbdrd: support Exynos USBDRD 3.2 4nm controller
phy: phy-snps-eusb2: add support for exynos2200
phy: phy-snps-eusb2: refactor reference clock init
phy: phy-snps-eusb2: make reset control optional
phy: phy-snps-eusb2: make repeater optional
phy: phy-snps-eusb2: split phy init code
phy: phy-snps-eusb2: refactor constructs names
phy: move phy-qcom-snps-eusb2 out of its vendor sub-directory
...
Couple of small core changes for
- sdw_assign_device_num() logic simplification, using internal slave id
for irqs and optimizing computing of port params in specific stream
states
- Intel driver updates for ACE3+ microphone privacy status reporting
and enabling the status in HDA Intel driver
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Merge tag 'soundwire-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"A couple of small core changes and an Intel driver change:
- sdw_assign_device_num() logic simplification, using internal slave
id for irqs and optimizing computing of port params in specific
stream states
- Intel driver updates for ACE3+ microphone privacy status reporting
and enabling the status in HDA Intel driver"
* tag 'soundwire-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: only compute port params in specific stream states
ASoC: SOF: Intel: hda: Set the mic_privacy flag for soundwire with ACE3+
soundwire: intel: Add awareness of ACE3+ microphone privacy
soundwire: bus: Add internal slave ID and use for IRQs
soundwire: bus: Simplify sdw_assign_device_num()
syzbot reported that a recent patch forgot to unlock rcu
in the error path.
Adopt the convention that netlbl_conn_setattr() is already using.
Fixes: 6e9f2df1c5 ("calipso: Don't call calipso functions for AF_INET sk.")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Link: https://patch.msgid.link/20250604133826.1667664-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The kernel currently validates that the length of the provided nexthop
address does not exceed the specified length. This can lead to the
kernel reading uninitialized memory if user space provided a shorter
length than the specified one.
Fix by validating that the provided length exactly matches the specified
one.
Fixes: d1df6fd8a1 ("ipv6: sr: define core operations for seg6local lightweight tunnel")
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250604113252.371528-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
At the time rtnl_create_link() is running, dev->netdev_ops is NULL,
we must not use netdev_lock_ops() or risk a NULL deref if
CONFIG_NET_SHAPER is defined.
Use netif_set_group() instead of dev_set_group().
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Call Trace:
<TASK>
rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674
rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813
__rtnl_newlink net/core/rtnetlink.c:3940 [inline]
rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055
rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944
netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
Reported-by: syzbot+9fc858ba0312b42b577e@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/6840265f.a00a0220.d4325.0009.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 7e4d784f58 ("net: hold netdev instance lock during rtnetlink operations")
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250604105815.1516973-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
from_cleanup_net() reads cleanup_net_task locklessly.
Add READ_ONCE()/WRITE_ONCE() annotations to avoid
a potential KCSAN warning, even if the race is harmless.
Fixes: 0734d7c3d9 ("net: expedite synchronize_net() for cleanup_net()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20250604093928.1323333-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 846742f7e3 ("selftests: drv-net: add a warning for
bkg + shell + terminate") added a warning for bkg() used
with terminate=True. The tso test was missed as we didn't
have it running anywhere in NIPA. Add exit_wait=True, to avoid:
# Warning: combining shell and terminate is risky!
# SIGTERM may not reach the child on zsh/ksh!
getting printed twice for every variant.
Fixes: 0d0f4174f6 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604012055.891431-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The device type for IPv4 GRE is "gre" not "ipgre",
unlike for IPv6 which uses "ip6gre".
Not sure how I missed this when writing the test, perhaps
because all HW I have access to is on an IPv6-only network.
Fixes: 0d0f4174f6 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604012031.891242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add missing config options for the tso.py test, specifically
to make sure the kernel is built with vxlan and gre tunnels.
I noticed this while adding a TSO-capable device QEMU to the CI.
Previously we only run virtio tests and it doesn't report LSO
stats on the QEMU we have.
Fixes: 0d0f4174f6 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604001653.853008-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
iavf: get rid of the crit lock
Przemek Kitszel says:
Fix some deadlocks in iavf, and make it less error prone for the future.
Patch 1 is simple and independent from the rest.
Patches 2, 3, 4 are strictly a refactor, but it enables the last patch
to be much smaller.
(Technically Jake given his RB tags not knowing I will send it to -net).
Patch 5 just adds annotations, this also helps prove last patch to be correct.
Patch 6 removes the crit lock, with its unusual try_lock()s.
I have more refactoring for scheduling done for -next, to be sent soon.
There is a simple test:
add VF; decrease number of queueus; remove VF
that was way too hard to pass without this series :)
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
iavf: get rid of the crit lock
iavf: sprinkle netdev_assert_locked() annotations
iavf: extract iavf_watchdog_step() out of iavf_watchdog_task()
iavf: simplify watchdog_task in terms of adminq task scheduling
iavf: centralize watchdog requeueing itself
iavf: iavf_suspend(): take RTNL before netdev_lock()
====================
Link: https://patch.msgid.link/20250603171710.2336151-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Enable threaded NAPI by default for WireGuard devices in response to low
performance behavior that we observed when multiple tunnels (and thus
multiple wg devices) are deployed on a single host. This affects any
kind of multi-tunnel deployment, regardless of whether the tunnels share
the same endpoints or not (i.e., a VPN concentrator type of gateway
would also be affected).
The problem is caused by the fact that, in case of a traffic surge that
involves multiple tunnels at the same time, the polling of the NAPI
instance of all these wg devices tends to converge onto the same core,
causing underutilization of the CPU and bottlenecking performance.
This happens because NAPI polling is hosted by default in softirq
context, but the WireGuard driver only raises this softirq after the rx
peer queue has been drained, which doesn't happen during high traffic.
In this case, the softirq already active on a core is reused instead of
raising a new one.
As a result, once two or more tunnel softirqs have been scheduled on
the same core, they remain pinned there until the surge ends.
In our experiments, this almost always leads to all tunnel NAPIs being
handled on a single core shortly after a surge begins, limiting
scalability to less than 3× the performance of a single tunnel, despite
plenty of unused CPU cores being available.
The proposed mitigation is to enable threaded NAPI for all WireGuard
devices. This moves the NAPI polling context to a dedicated per-device
kernel thread, allowing the scheduler to balance the load across all
available cores.
On our 32-core gateways, enabling threaded NAPI yields a ~4× performance
improvement with 16 tunnels, increasing throughput from ~13 Gbps to
~48 Gbps. Meanwhile, CPU usage on the receiver (which is the bottleneck)
jumps from 20% to 100%.
We have found no performance regressions in any scenario we tested.
Single-tunnel throughput remains unchanged.
More details are available in our Netdev paper.
Link: https://netdevconf.info/0x18/docs/netdev-0x18-paper23-talk-paper.pdf
Signed-off-by: Mirco Barone <mirco.barone@polito.it>
Fixes: e7096c131e ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20250605120616.2808744-1-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-25-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Zero out the remainder in nft_pipapo AVX2 implementation, otherwise
next lookup could bogusly report a mismatch. This is followed by two
patches to update nft_pipapo selftests to cover for the previous bug.
From Florian Westphal.
2) Check for reverse tuple too in case of esoteric NAT collisions for
UDP traffic and extend selftest coverage. Also from Florian.
netfilter pull request 25-06-05
* tag 'nf-25-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: nft_nat.sh: add test for reverse clash with nat
netfilter: nf_nat: also check reverse tuple to obtain clashing entry
selftests: netfilter: nft_concat_range.sh: add datapath check for map fill bug
selftests: netfilter: nft_concat_range.sh: prefer per element counters for testing
netfilter: nf_set_pipapo_avx2: fix initial map fill
====================
Link: https://patch.msgid.link/20250605085735.52205-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Jakub Kicinski says:
====================
netlink: specs: rt-link: decode ip6gre
Adding GRE tunnels to the .config for driver tests caused
some unhappiness in YNL, as it can't decode all the link
attrs on the system. Add ip6gre support to fix the tests.
This is similar to commit 6ffdbb93a5 ("netlink: specs:
rt_link: decode ip6tnl, vti and vti6 link attrs").
====================
Link: https://patch.msgid.link/20250603135357.502626-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Driver tests now require GRE tunnels, while we don't configure
them with YNL, YNL will complain when it sees link types it
doesn't recognize. Teach it decoding ip6gre tunnels. The attrs
are largely the same as IPv4 GRE.
Correct the type of encap-limit, but note that this attr is
only used in ip6gre, so the mistake didn't matter until now.
Fixes: 0d0f4174f6 ("selftests: drv-net: add a simple TSO test")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A number of fields in the ip tunnels are lacking the big-endian
designation. I suspect this is not intentional, as decoding
the ports with the right endian seems objectively beneficial.
Fixes: 6ffdbb93a5 ("netlink: specs: rt_link: decode ip6tnl, vti and vti6 link attrs")
Fixes: 077b6022d2 ("doc/netlink/specs: Add sub-message type to rt_link family")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* dropped bogus call to setup_udp_tunnel_sock() during
cleanup, substituted by proper state unwind
* fixed race condition between peer removal (by kernel
space) and socket closing (by user space)
* fixed sleep in atomic context along TCP RX error path
* fixes for ovpn kselftests
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Merge tag 'ovpn-net-20250603' of https://github.com/OpenVPN/ovpn-net-next
Antonio Quartulli says:
====================
In this batch you can find the following bug fixes:
Patch 1: when releasing a UDP socket we were wrongly invoking
setup_udp_tunnel_sock() with an empty config. This was not
properly shutting down the UDP encap state.
With this patch we simply undo what was done during setup.
Patch 2: ovpn was holding a reference to a 'struct socket'
without increasing its reference counter. This was intended
and worked as expected until we hit a race condition where
user space tries to close the socket while kernel space is
also releasing it. In this case the (struct socket *)->sk
member would disappear under our feet leading to a null-ptr-deref.
This patch fixes this issue by having struct ovpn_socket hold
a reference directly to the sk member while also increasing
its reference counter.
Patch 3: in case of errors along the TCP RX path (softirq)
we want to immediately delete the peer, but this operation may
sleep. With this patch we move the peer deletion to a scheduled
worker.
Patch 4 and 5 are instead fixing minor issues in the ovpn
kselftests.
* tag 'ovpn-net-20250603' of https://github.com/OpenVPN/ovpn-net-next:
selftest/net/ovpn: fix missing file
selftest/net/ovpn: fix TCP socket creation
ovpn: avoid sleep in atomic context in TCP RX error path
ovpn: ensure sk is still valid during cleanup
ovpn: properly deconfigure UDP-tunnel
====================
Link: https://patch.msgid.link/20250603111110.4575-1-antonio@openvpn.net/
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Recent Qualcomm chipsets like SDX72/75 require MBIM sessionId mapping
to muxId in the range (0x70-0x8F) for the PCIe tethered use.
This has been partially addressed by the referenced commit, mapping
the default data call to muxId = 112, but the multiplexed data calls
scenario was not properly considered, mapping sessionId = 1 to muxId
1, while it should have been 113.
Fix this by moving the session_id assignment logic to mhi_mbim_newlink,
in order to map sessionId = n to muxId = n + WDS_BIND_MUX_DATA_PORT_MUX_ID.
Fixes: 65bc58c3dc ("net: wwan: mhi: make default data link id configurable")
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20250603091204.2802840-1-dnlplm@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
S1G beacons are not traditional beacons but a type of extension frame.
Extension frames contain the frame control and duration fields, followed
by zero or more optional fields before the frame body. These optional
fields are distinct from the variable length elements.
The presence of optional fields is indicated in the frame control field.
To correctly locate the elements offset, the frame control must be parsed
to identify which optional fields are present. Currently, mac80211 parses
S1G beacons based on fixed assumptions about the frame layout, without
inspecting the frame control field. This can result in incorrect offsets
to the "variable" portion of the frame.
Properly parse S1G beacon frames by using the field lengths defined in
IEEE 802.11-2024, section 9.3.4.3, ensuring that the elements offset is
calculated accurately.
Fixes: 9eaffe5078 ("cfg80211: convert S1G beacon to scan results")
Fixes: cd418ba63f ("mac80211: convert S1G beacon to scan results")
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20250603053538.468562-1-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
