This merges up to commit a0efa2f362 ("Merge net-next/main to resolve
conflicts") from wireless-next into the staging-next branch to handle
the removal of a staging driver easier (it happened in the wireless-next
branch). That way we don't have developers confused and start
submitting changes for this driver that is now deleted.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The wireless-next tree was based on something older, and there
are now conflicts between -rc2 and work here. Merge net-next,
which has enough of -rc2 for the conflicts to happen, resolving
them in the process.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Revert this, I neglected to take into account the fact that
cfg80211 itself can be a module, but wext is always builtin.
Fixes: aee809aaa2 ("wifi: cfg80211: unexport wireless_nlevent_flush()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
cfsrvl_getphyid() has been unused since 2011's commit
f362144084 ("caif: Use RCU and lists in cfcnfg.c for managing caif link layers")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241007004456.149899-1-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Let it be tuned in per netns by admins.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20241005222609.94980-1-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Once an RTNL scope is converted with rtnl_net_lock(), we will replace
RTNL helper functions inside the scope with the following per-netns
alternatives:
ASSERT_RTNL() -> ASSERT_RTNL_NET(net)
rcu_dereference_rtnl(p) -> rcu_dereference_rtnl_net(net, p)
Note that the per-netns helpers are equivalent to the conventional
helpers unless CONFIG_DEBUG_NET_SMALL_RTNL is enabled.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The goal is to break RTNL down into per-netns mutex.
This patch adds per-netns mutex and its helper functions, rtnl_net_lock()
and rtnl_net_unlock().
rtnl_net_lock() acquires the global RTNL and per-netns RTNL mutex, and
rtnl_net_unlock() releases them.
We will replace 800+ rtnl_lock() with rtnl_net_lock() and finally removes
rtnl_lock() in rtnl_net_lock().
When we need to nest per-netns RTNL mutex, we will use __rtnl_net_lock(),
and its locking order is defined by rtnl_net_lock_cmp_fn() as follows:
1. init_net is first
2. netns address ascending order
Note that the conversion will be done under CONFIG_DEBUG_NET_SMALL_RTNL
with LOCKDEP so that we can carefully add the extra mutex without slowing
down RTNL operations during conversion.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This reverts commit 464eb03c4a.
Once we have a per-netns RTNL, we won't use guard(rtnl).
Also, there's no users for now.
$ grep -rnI "guard(rtnl" || true
$
Suggested-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/netdev/CANn89i+KoYzUH+VPLdGmLABYf5y4TW0hrM4UAeQQJ9AREty0iw@mail.gmail.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Introduce support for configuring the master/slave role of PHYs based on
the `timing-role` property in the device tree. While this functionality
is necessary for Single Pair Ethernet (SPE) PHYs (1000/100/10Base-T1)
where hardware strap pins may be unavailable or incorrectly set, it
works for any PHY type.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Divya Koppera <divya.koppera@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Upcoming per-netns RTNL conversion needs to get rid
of shared hash tables.
fib_info_devhash[] is one of them.
It is unclear why we used a hash table, because
a single hlist_head per net device was cheaper and scalable.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20241004134720.579244-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
No driver now uses the DSA switch phylink members, so we can now remove
the method pointers, but we need to leave empty shim functions to allow
those drivers that do not provide phylink MAC operations structure to
continue functioning.
Signed-off-by: Russell King (oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> # sja1105, felix, dsa_loop
Link: https://patch.msgid.link/E1swKNV-0060oN-1b@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some network devices have the ability to offload EDT (Earliest
Departure Time) which is the model used for TCP pacing and FQ packet
scheduler.
Some of them implement the timing wheel mechanism described in
https://saeed.github.io/files/carousel-sigcomm17.pdf
with an associated 'timing wheel horizon'.
This patchs adds to FQ packet scheduler TCA_FQ_OFFLOAD_HORIZON
attribute.
Its value is capped by the device max_pacing_offload_horizon,
added in the prior patch.
It allows FQ to let packets within pacing offload horizon
to be delivered to the device, which will handle the needed
delay without host involvement.
Signed-off-by: Jeffrey Ji <jeffreyji@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20241003121219.2396589-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
delack timer is not stopped from inet_csk_clear_xmit_timer()
because we do not define INET_CSK_CLEAR_TIMERS.
This is a conscious choice : inet_csk_clear_xmit_timer()
is often called from another cpu. Calling del_timer()
would cause false sharing and lock contention.
This means that very often, tcp_delack_timer() is called
at the timer expiration, while there is no ACK to transmit.
This can be detected very early, avoiding the socket spinlock.
Notes:
- test about tp->compressed_ack is racy,
but in the unlikely case there is a race, the dedicated
compressed_ack_timer hrtimer would close it.
- Even if the fast path is not taken, reading
icsk->icsk_ack.pending and tp->compressed_ack
before acquiring the socket spinlock reduces
acquisition time and chances of contention.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241002173042.917928-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
icsk->icsk_pending can be read locklessly already.
Following patch in the series will add another lockless read.
Add smp_load_acquire() and smp_store_release() annotations
because following patch will add a test in tcp_write_timer(),
and READ_ONCE()/WRITE_ONCE() alone would possibly lead to races.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241002173042.917928-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix CPU device node reference counting in the cpufreq core (Miquel
Sabaté Solà).
- Turn the spinlock used by the intel_pstate driver in hard IRQ
context into a raw one to prevent the driver from crashing when
PREEMPT_RT is enabled (Uwe Kleine-König).
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Merge tag 'pm-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two cpufreq issues, one in the core and one in the
intel_pstate driver:
- Fix CPU device node reference counting in the cpufreq core (Miquel
Sabaté Solà)
- Turn the spinlock used by the intel_pstate driver in hard IRQ
context into a raw one to prevent the driver from crashing when
PREEMPT_RT is enabled (Uwe Kleine-König)"
* tag 'pm-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Avoid a bad reference count on CPU node
cpufreq: intel_pstate: Make hwp_notify_lock a raw spinlock
The last type of sockets which supports SOF_TIMESTAMPING_OPT_ID is RAW
sockets. To add new option this patch converts all callers (direct and
indirect) of _sock_tx_timestamp to provide sockcm_cookie instead of
tsflags. And while here fix __sock_tx_timestamp to receive tsflags as
__u32 instead of __u16.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://patch.msgid.link/20241001125716.2832769-3-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
SOF_TIMESTAMPING_OPT_ID socket option flag gives a way to correlate TX
timestamps and packets sent via socket. Unfortunately, there is no way
to reliably predict socket timestamp ID value in case of error returned
by sendmsg. For UDP sockets it's impossible because of lockless
nature of UDP transmit, several threads may send packets in parallel. In
case of RAW sockets MSG_MORE option makes things complicated. More
details are in the conversation [1].
This patch adds new control message type to give user-space
software an opportunity to control the mapping between packets and
values by providing ID with each sendmsg for UDP sockets.
The documentation is also added in this patch.
[1] https://lore.kernel.org/netdev/CALCETrU0jB+kg0mhV6A8mrHfTE1D1pr1SD_B9Eaa9aDPfgHdtA@mail.gmail.com/
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://patch.msgid.link/20241001125716.2832769-2-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It no longer serves any purpose and is identical to mlx5_fc_create upon
which it was originally based of.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241001103709.58127-7-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The mlx5_fc_stats and mlx5_fc_pool structs are only used from
fs_counters.c. As such, make them private there.
mlx5_fc_pool is not used or referenced at all outside fs_counters.
mlx5_fc_stats is referenced from mlx5_core_dev, so instead of having it
as a direct member (which requires exporting it from fs_counters), store
a pointer to it, allocate it on init and clear it on destroy.
One caveat is that a simple container_of to get from a 'work' struct to
the outermost mlx5_core_dev struct directly no longer works, so an extra
pointer had to be added to mlx5_fc_stats back to the parent dev.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241001103709.58127-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Slightly high amount of changes in this round, partly because of my
vacation in the last weeks. But all changes are small and nothing
looks worrisome.
The biggest LOCs is MAINTAINERS updates, and there is a core change
for card-ID string creation for non-ASCII inputs. Others are rather
device-specific, such as new quirks and device IDs for ASoC, usual
HD-audio and USB-audio quirks and fixes, as well as regression fixes
in HD-audio HDMI audio and Conexant codec.
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Merge tag 'sound-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Slightly high amount of changes in this round, partly because of my
vacation in the last weeks. But all changes are small and nothing
looks worrisome.
The biggest LOCs is MAINTAINERS updates, and there is a core change
for card-ID string creation for non-ASCII inputs. Others are rather
device-specific, such as new quirks and device IDs for ASoC, usual
HD-audio and USB-audio quirks and fixes, as well as regression fixes
in HD-audio HDMI audio and Conexant codec"
* tag 'sound-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (39 commits)
ALSA: hda/conexant: Fix conflicting quirk for System76 Pangolin
ALSA: line6: add hw monitor volume control to POD HD500X
ALSA: gus: Fix some error handling paths related to get_bpos() usage
ALSA: hda: Add missing parameter description for snd_hdac_stream_timecounter_init()
ALSA: usb-audio: Add native DSD support for Luxman D-08u
ALSA: core: add isascii() check to card ID generator
MAINTAINERS: ALSA: use linux-sound@vger.kernel.org list
Revert "ALSA: hda: Conditionally use snooping for AMD HDMI"
ASoC: intel: sof_sdw: Add check devm_kasprintf() returned value
ASoC: imx-card: Set card.owner to avoid a warning calltrace if SND=m
ASoC: dt-bindings: davinci-mcasp: Fix interrupts property
ASoC: qcom: sm8250: add qrb4210-rb2-sndcard compatible string
ASoC: dt-bindings: qcom,sm8250: add qrb4210-rb2-sndcard
ALSA: hda: fix trigger_tstamp_latched
ALSA: hda/realtek: Add a quirk for HP Pavilion 15z-ec200
ALSA: hda/generic: Drop obsoleted obey_preferred_dacs flag
ALSA: hda/generic: Unconditionally prefer preferred_dacs pairs
ALSA: silence integer wrapping warning
ASoC: Intel: soc-acpi: arl: Fix some missing empty terminators
ASoC: Intel: soc-acpi-intel-rpl-match: add missing empty item
...
atomic:
- Use correct type when reading damage rectangles
display:
- Fix kernel docs
dp-mst:
- Fix DSC decompression detection
hdmi:
- Fix infoframe size
sched:
- Update maintainers
- Fix race condition whne queueing up jobs
- Fix locking in drm_sched_entity_modify_sched()
- Fix pointer deref if entity queue changes
sysfb:
- Disable sysfb if framebuffer parent device is unknown
amdgpu:
- DML2 fix
- DSC fix
- Dispclk fix
- eDP HDR fix
- IPS fix
- TBT fix
i915:
- One fix for bitwise and logical "and" mixup in PM code
xe:
- Restore pci state on resume
- Fix locking on submission, queue and vm
- Fix UAF on queue destruction
- Fix resource release on freq init error path
- Use rw_semaphore to reduce contention on ASID->VM lookup
- Fix steering for media on Xe2_HPM
- Tuning updates to Xe2
- Resume TDR after GT reset to prevent jobs running forever
- Move id allocation to avoid userspace using a guessed number
to trigger UAF
- Fix OA stream close preventing pbatch buffers to complete
- Fix NPD when migrating memory on LNL
- Fix memory leak when aborting binds
panthor:
- Fix locking
- Set FOP_UNSIGNED_OFFSET in fops instance
- Acquire lock in panthor_vm_prepare_map_op_ctx()
- Avoid uninitialized variable in tick_ctx_cleanup()
- Do not block scheduler queue if work is pending
- Do not add write fences to the shared BOs
vbox:
- Fix VLA handling
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Merge tag 'drm-fixes-2024-10-04' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes, xe and amdgpu lead the way, with panthor, and few core
components getting various fixes. Nothing seems too out of the
ordinary.
atomic:
- Use correct type when reading damage rectangles
display:
- Fix kernel docs
dp-mst:
- Fix DSC decompression detection
hdmi:
- Fix infoframe size
sched:
- Update maintainers
- Fix race condition whne queueing up jobs
- Fix locking in drm_sched_entity_modify_sched()
- Fix pointer deref if entity queue changes
sysfb:
- Disable sysfb if framebuffer parent device is unknown
amdgpu:
- DML2 fix
- DSC fix
- Dispclk fix
- eDP HDR fix
- IPS fix
- TBT fix
i915:
- One fix for bitwise and logical "and" mixup in PM code
xe:
- Restore pci state on resume
- Fix locking on submission, queue and vm
- Fix UAF on queue destruction
- Fix resource release on freq init error path
- Use rw_semaphore to reduce contention on ASID->VM lookup
- Fix steering for media on Xe2_HPM
- Tuning updates to Xe2
- Resume TDR after GT reset to prevent jobs running forever
- Move id allocation to avoid userspace using a guessed number to
trigger UAF
- Fix OA stream close preventing pbatch buffers to complete
- Fix NPD when migrating memory on LNL
- Fix memory leak when aborting binds
panthor:
- Fix locking
- Set FOP_UNSIGNED_OFFSET in fops instance
- Acquire lock in panthor_vm_prepare_map_op_ctx()
- Avoid uninitialized variable in tick_ctx_cleanup()
- Do not block scheduler queue if work is pending
- Do not add write fences to the shared BOs
vbox:
- Fix VLA handling"
* tag 'drm-fixes-2024-10-04' of https://gitlab.freedesktop.org/drm/kernel: (41 commits)
drm/xe: Fix memory leak when aborting binds
drm/xe: Prevent null pointer access in xe_migrate_copy
drm/xe/oa: Don't reset OAC_CONTEXT_ENABLE on OA stream close
drm/xe/queue: move xa_alloc to prevent UAF
drm/xe/vm: move xa_alloc to prevent UAF
drm/xe: Clean up VM / exec queue file lock usage.
drm/xe: Resume TDR after GT reset
drm/xe/xe2: Add performance tuning for L3 cache flushing
drm/xe/xe2: Extend performance tuning to media GT
drm/xe/mcr: Use Xe2_LPM steering tables for Xe2_HPM
drm/xe: Use helper for ASID -> VM in GPU faults and access counters
drm/xe: Convert to USM lock to rwsem
drm/xe: use devm_add_action_or_reset() helper
drm/xe: fix UAF around queue destruction
drm/xe/guc_submit: add missing locking in wedged_fini
drm/xe: Restore pci state upon resume
drm/amd/display: Fix system hang while resume with TBT monitor
drm/amd/display: Enable idle workqueue for more IPS modes
drm/amd/display: Add HDR workaround for specific eDP
drm/amd/display: avoid set dispclk to 0
...
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Merge tag 'fsnotify_for_v6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify fixes from Jan Kara:
"Fixes for an inotify deadlock and a data race in fsnotify"
* tag 'fsnotify_for_v6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
inotify: Fix possible deadlock in fsnotify_destroy_mark
fsnotify: Avoid data race between fsnotify_recalc_mask() and fsnotify_object_watched()
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Merge tag 'for-6.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- in incremental send, fix invalid clone operation for file that got
its size decreased
- fix __counted_by() annotation of send path cache entries, we do not
store the terminating NUL
- fix a longstanding bug in relocation (and quite hard to hit by
chance), drop back reference cache that can get out of sync after
transaction commit
- wait for fixup worker kthread before finishing umount
- add missing raid-stripe-tree extent for NOCOW files, zoned mode
cannot have NOCOW files but RST is meant to be a standalone feature
- handle transaction start error during relocation, avoid potential
NULL pointer dereference of relocation control structure (reported by
syzbot)
- disable module-wide rate limiting of debug level messages
- minor fix to tracepoint definition (reported by checkpatch.pl)
* tag 'for-6.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: disable rate limiting when debug enabled
btrfs: wait for fixup workers before stopping cleaner kthread during umount
btrfs: fix a NULL pointer dereference when failed to start a new trasacntion
btrfs: send: fix invalid clone operation for file that got its size decreased
btrfs: tracepoints: end assignment with semicolon at btrfs_qgroup_extent event class
btrfs: drop the backref cache during relocation if we commit
btrfs: also add stripe entries for NOCOW writes
btrfs: send: fix buffer overflow detection when copying path to cache entry
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull close_range() fix from Al Viro:
"Fix the logic in descriptor table trimming"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
close_range(): fix the logics in descriptor table trimming
alloc_ltalkdev in net/appletalk/dev.c is dead since
commit 00f3696f75 ("net: appletalk: remove cops support")
Removing it (and it's helper) leaves dev.c and if_ltalk.h empty;
remove them and the Makefile entry.
tun.c was including that if_ltalk.h but actually wanted
the uapi version for LTALK_ALEN, fix up the path.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a dscp_t variable to ip_route_input_noref(), instead of a plain
u8, to prevent accidental setting of ECN bits in ->flowi4_tos.
Callers of ip_route_input_noref() to consider are:
* arp_process() in net/ipv4/arp.c. This function sets the tos
parameter to 0, which is already a valid dscp_t value, so it
doesn't need to be adjusted for the new prototype.
* ip_route_input(), which already has a dscp_t variable to pass as
parameter. We just need to remove the inet_dscp_to_dsfield()
conversion.
* ipvlan_l3_rcv(), bpf_lwt_input_reroute(), ip_expire(),
ip_rcv_finish_core(), xfrm4_rcv_encap_finish() and
xfrm4_rcv_encap(), which get the DSCP directly from IPv4 headers
and can simply use the ip4h_dscp() helper.
While there, declare the IPv4 header pointers as const in
ipvlan_l3_rcv() and bpf_lwt_input_reroute().
Also, modify the declaration of ip_route_input_noref() in
include/net/route.h so that it matches the prototype of its
implementation in net/ipv4/route.c.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/a8a747bed452519c4d0cc06af32c7e7795d7b627.1727807926.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pass a dscp_t variable to ip_route_input(), instead of a plain u8, to
prevent accidental setting of ECN bits in ->flowi4_tos.
Callers of ip_route_input() to consider are:
* input_action_end_dx4_finish() and input_action_end_dt4() in
net/ipv6/seg6_local.c. These functions set the tos parameter to 0,
which is already a valid dscp_t value, so they don't need to be
adjusted for the new prototype.
* icmp_route_lookup(), which already has a dscp_t variable to pass as
parameter. We just need to remove the inet_dscp_to_dsfield()
conversion.
* br_nf_pre_routing_finish(), ip_options_rcv_srr() and ip4ip6_err(),
which get the DSCP directly from IPv4 headers. Define a helper to
read the .tos field of struct iphdr as dscp_t, so that these
function don't have to do the conversion manually.
While there, declare *iph as const in br_nf_pre_routing_finish(),
declare its local variables in reverse-christmas-tree order and move
the "err = ip_route_input()" assignment out of the conditional to avoid
checkpatch warning.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/e9d40781d64d3d69f4c79ac8a008b8d67a033e8d.1727807926.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
packing() is now used in some hot paths, and it would be good to get rid
of some ifs and buts that depend on "op", to speed things up a little bit.
With the main implementations now taking size_t endbit, we no longer
have to check for negative values. Update the local integer variables to
also be size_t to match.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241002-packing-kunit-tests-and-split-pack-unpack-v2-5-8373e551eae3@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Geert Uytterhoeven described packing() as "really bad API" because of
not being able to enforce const correctness. The same function is used
both when "pbuf" is input and "uval" is output, as in the other way
around.
Create 2 wrapper functions where const correctness can be ensured.
Do ugly type casts inside, to be able to reuse packing() as currently
implemented - which will _not_ modify the input argument.
Also, take the opportunity to change the type of startbit and endbit to
size_t - an unsigned type - in these new function prototypes. When int,
an extra check for negative values is necessary. Hopefully, when
packing() goes away completely, that check can be dropped.
My concern is that code which does rely on the conditional directionality
of packing() is harder to refactor without blowing up in size. So it may
take a while to completely eliminate packing(). But let's make alternatives
available for those who do not need that.
Link: https://lore.kernel.org/netdev/20210223112003.2223332-1-geert+renesas@glider.be/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241002-packing-kunit-tests-and-split-pack-unpack-v2-4-8373e551eae3@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It is not necessary to have the kernel-doc duplicated both in the
header and in the implementation. It is better to have it near the
implementation of the function, since in C, a function can have N
declarations, but only one definition.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241002-packing-kunit-tests-and-split-pack-unpack-v2-3-8373e551eae3@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- eth: mlx5: fix wrong reserved field in hca_cap_2 in mlx5_ifc
- eth: am65-cpsw: fix forever loop in cleanup code
Current release - new code bugs:
- eth: mlx5: HWS, fixed double-free in error flow of creating SQ
Previous releases - regressions:
- core: avoid potential underflow in qdisc_pkt_len_init() with UFO
- core: test for not too small csum_start in virtio_net_hdr_to_skb()
- vrf: revert "vrf: remove unnecessary RCU-bh critical section"
- bluetooth:
- fix uaf in l2cap_connect
- fix possible crash on mgmt_index_removed
- dsa: improve shutdown sequence
- eth: mlx5e: SHAMPO, fix overflow of hd_per_wq
- eth: ip_gre: fix drops of small packets in ipgre_xmit
Previous releases - always broken:
- core: fix gso_features_check to check for both dev->gso_{ipv4_,}max_size
- core: fix tcp fraglist segmentation after pull from frag_list
- netfilter: nf_tables: prevent nf_skb_duplicated corruption
- sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
- mac802154: fix potential RCU dereference issue in mac802154_scan_worker
- eth: fec: restart PPS after link state change
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from ieee802154, bluetooth and netfilter.
Current release - regressions:
- eth: mlx5: fix wrong reserved field in hca_cap_2 in mlx5_ifc
- eth: am65-cpsw: fix forever loop in cleanup code
Current release - new code bugs:
- eth: mlx5: HWS, fixed double-free in error flow of creating SQ
Previous releases - regressions:
- core: avoid potential underflow in qdisc_pkt_len_init() with UFO
- core: test for not too small csum_start in virtio_net_hdr_to_skb()
- vrf: revert "vrf: remove unnecessary RCU-bh critical section"
- bluetooth:
- fix uaf in l2cap_connect
- fix possible crash on mgmt_index_removed
- dsa: improve shutdown sequence
- eth: mlx5e: SHAMPO, fix overflow of hd_per_wq
- eth: ip_gre: fix drops of small packets in ipgre_xmit
Previous releases - always broken:
- core: fix gso_features_check to check for both
dev->gso_{ipv4_,}max_size
- core: fix tcp fraglist segmentation after pull from frag_list
- netfilter: nf_tables: prevent nf_skb_duplicated corruption
- sctp: set sk_state back to CLOSED if autobind fails in
sctp_listen_start
- mac802154: fix potential RCU dereference issue in
mac802154_scan_worker
- eth: fec: restart PPS after link state change"
* tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (48 commits)
sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
dt-bindings: net: xlnx,axi-ethernet: Add missing reg minItems
doc: net: napi: Update documentation for napi_schedule_irqoff
net/ncsi: Disable the ncsi work before freeing the associated structure
net: phy: qt2025: Fix warning: unused import DeviceId
gso: fix udp gso fraglist segmentation after pull from frag_list
bridge: mcast: Fail MDB get request on empty entry
vrf: revert "vrf: Remove unnecessary RCU-bh critical section"
net: ethernet: ti: am65-cpsw: Fix forever loop in cleanup code
net: phy: realtek: Check the index value in led_hw_control_get
ppp: do not assume bh is held in ppp_channel_bridge_input()
selftests: rds: move include.sh to TEST_FILES
net: test for not too small csum_start in virtio_net_hdr_to_skb()
net: gso: fix tcp fraglist segmentation after pull from frag_list
ipv4: ip_gre: Fix drops of small packets in ipgre_xmit
net: stmmac: dwmac4: extend timeout for VLAN Tag register busy bit check
net: add more sanity checks to qdisc_pkt_len_init()
net: avoid potential underflow in qdisc_pkt_len_init() with UFO
net: ethernet: ti: cpsw_ale: Fix warning on some platforms
net: microchip: Make FDMA config symbol invisible
...
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Merge tag 'vfs-6.12-rc2.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"vfs:
- Ensure that iter_folioq_get_pages() advances to the next slot
otherwise it will end up using the same folio with an out-of-bound
offset.
iomap:
- Dont unshare delalloc extents which can't be reflinked, and thus
can't be shared.
- Constrain the file range passed to iomap_file_unshare() directly in
iomap instead of requiring the callers to do it.
netfs:
- Use folioq_count instead of folioq_nr_slot to prevent an
unitialized value warning in netfs_clear_buffer().
- Fix missing wakeup after issuing writes by scheduling the write
collector only if all the subrequest queues are empty and thus no
writes are pending.
- Fix two minor documentation bugs"
* tag 'vfs-6.12-rc2.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iomap: constrain the file range passed to iomap_file_unshare
iomap: don't bother unsharing delalloc extents
netfs: Fix missing wakeup after issuing writes
Documentation: add missing folio_queue entry
folio_queue: fix documentation
netfs: Fix a KMSAN uninit-value error in netfs_clear_buffer
iov_iter: fix advancing slot in iter_folioq_get_pages()
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Merge tag 'nf-24-10-02' 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) Fix incorrect documentation in uapi/linux/netfilter/nf_tables.h
regarding flowtable hooks, from Phil Sutter.
2) Fix nft_audit.sh selftests with newer nft binaries, due to different
(valid) audit output, also from Phil.
3) Disable BH when duplicating packets via nf_dup infrastructure,
otherwise race on nf_skb_duplicated for locally generated traffic.
From Eric.
4) Missing return in callback of selftest C program, from zhang jiao.
netfilter pull request 24-10-02
* tag 'nf-24-10-02' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: Add missing return value
netfilter: nf_tables: prevent nf_skb_duplicated corruption
selftests: netfilter: Fix nft_audit.sh for newer nft binaries
netfilter: uapi: NFTA_FLOWTABLE_HOOK is NLA_NESTED
====================
Link: https://patch.msgid.link/20241002202421.1281311-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Through some experiments, we found out that increasing the default
RX buffers count from 512 to 1024, gives slightly better throughput
and significantly reduces the no_wqe_rx errs on the receiver side.
Along with these, other parameters like cpu usage, retrans seg etc
also show some improvement with 1024 value.
Following are some snippets from the experiments
ntttcp tests with 512 Rx buffers
---------------------------------------
connections| throughput| no_wqe errs|
---------------------------------------
1 | 40.93Gbps | 123,211 |
16 | 180.15Gbps | 190,120 |
128 | 180.20Gbps | 173,508 |
256 | 180.27Gbps | 189,884 |
ntttcp tests with 1024 Rx buffers
---------------------------------------
connections| throughput| no_wqe errs|
---------------------------------------
1 | 44.22Gbps | 19,864 |
16 | 180.19Gbps | 4,430 |
128 | 180.21Gbps | 2,560 |
256 | 180.29Gbps | 1,529 |
So, increasing the default RX buffers per queue count to 1024
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/1727667875-29908-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
As nothing outside pcs-xpcs.c calls neither xpcs_do_config() nor
xpcs_link_up(), remove their exports and prototypes.
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1svfMv-005ZIv-2M@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The XPCS sub-driver no longer uses the "interface" argument to the
xpcs_create_mdiodev() and xpcs_create_fwnode() functions. Remove
this now unnecessary argument, updating the stmmac driver
appropriately.
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1svfMp-005ZIp-UX@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Provide xpcs create/destroy functions that return and take a phylink_pcs
pointer instead of an xpcs pointer. This will be used by drivers that
have been converted to use phylink_pcs pointers internally, rather than
dw_xpcs pointers.
As xpcs_create_mdiodev() no longer makes use of its interface argument,
pass PHY_INTERFACE_MODE_NA into xpcs_create_mdiodev() until it is
removed later in the series.
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1svfMQ-005ZIL-Bi@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move the PCS reset to .pcs_pre_config() rather than at creation time,
which means we call the reset function with the interface that we're
actually going to be using to talk to the downstream device.
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> # sja1105
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: for them?
Link: https://patch.msgid.link/E1svfMA-005ZI3-Va@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'pull-work.unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull generic unaligned.h cleanups from Al Viro:
"Get rid of architecture-specific <asm/unaligned.h> includes, replacing
them with a single generic <linux/unaligned.h> header file.
It's the second largest (after asm/io.h) class of asm/* includes, and
all but two architectures actually end up using exact same file.
Massage the remaining two (arc and parisc) to do the same and just
move the thing to from asm-generic/unaligned.h to linux/unaligned.h"
[ This is one of those things that we're better off doing outside the
merge window, and would only cause extra conflict noise if it was in
linux-next for the next release due to all the trivial #include line
updates. Rip off the band-aid. - Linus ]
* tag 'pull-work.unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
move asm/unaligned.h to linux/unaligned.h
arc: get rid of private asm/unaligned.h
parisc: get rid of private asm/unaligned.h
asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.
auto-generated by the following:
for i in `git grep -l -w asm/unaligned.h`; do
sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
