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17 months agonet: ipa: add HW_PARAM_4 GSI register
Alex Elder [Wed, 15 Feb 2023 19:53:52 +0000 (13:53 -0600)]
net: ipa: add HW_PARAM_4 GSI register

Starting at IPA v5.0, the number of event rings per EE is defined
in a field in a new HW_PARAM_4 GSI register rather than HW_PARAM_2.
Define this new register and its fields, and update the code that
checks the number of rings supported by hardware to use the proper
field based on IPA version.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: ipa: support different event ring encoding
Alex Elder [Wed, 15 Feb 2023 19:53:51 +0000 (13:53 -0600)]
net: ipa: support different event ring encoding

Starting with IPA v5.0, a channel's event ring index is encoded in
a field in the CH_C_CNTXT_1 GSI register rather than CH_C_CNTXT_0.
Define a new field ID for the former register and encode the event
ring in the appropriate register.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: ipa: avoid setting an undefined field
Alex Elder [Wed, 15 Feb 2023 19:53:50 +0000 (13:53 -0600)]
net: ipa: avoid setting an undefined field

The GSI channel protocol field in the CH_C_CNTXT_0 GSI register is
widened starting IPA v5.0, making the CHTYPE_PROTOCOL_MSB field
added in IPA v4.5 unnecessary.  Update the code to reflect this.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: ipa: kill ev_ch_e_cntxt_1_length_encode()
Alex Elder [Wed, 15 Feb 2023 19:53:49 +0000 (13:53 -0600)]
net: ipa: kill ev_ch_e_cntxt_1_length_encode()

Now that we explicitly define each register field width there is no
need to have a special encoding function for the event ring length.
Add a field for this to the EV_CH_E_CNTXT_1 GSI register, and use it
in place of ev_ch_e_cntxt_1_length_encode() (which can be removed).

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: ipa: kill gsi->virt_raw
Alex Elder [Wed, 15 Feb 2023 19:53:48 +0000 (13:53 -0600)]
net: ipa: kill gsi->virt_raw

Starting at IPA v4.5, almost all GSI registers had their offsets
changed by a fixed amount (shifted downward by 0xd000).  Rather than
defining offsets for all those registers dependent on version, an
adjustment was applied for most register accesses.  This was
implemented in commit cdeee49f3ef7f ("net: ipa: adjust GSI register
addresses").  It was later modified to be a bit more obvious about
the adjusment, in commit 571b1e7e58ad3 ("net: ipa: use a separate
pointer for adjusted GSI memory").

We now are able to define every GSI register with its own offset, so
there's no need to implement this special adjustment.

So get rid of the "virt_raw" pointer, and just maintain "virt" as
the (non-adjusted) base address of I/O mapped GSI register memory.

Redefine the offsets of all GSI registers (other than the INTER_EE
ones, which were not subject to the adjustment) for IPA v4.5+,
subtracting 0xd000 from their defined offsets instead.

Move the ERROR_LOG and ERROR_LOG_CLR definitions further down in the
register definition files so all registers are defined in order of
their offset.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: ipa: fix an incorrect assignment
Alex Elder [Wed, 15 Feb 2023 19:53:47 +0000 (13:53 -0600)]
net: ipa: fix an incorrect assignment

I spotted an error in a patch posted this week, unfortunately just
after it got accepted.  The effect of the bug is that time-based
interrupt moderation is disabled.  This is not technically a bug,
but it is not what is intended.  The problem is that a |= assignment
got implemented as a simple assignment, so the previously assigned
value was ignored.

Fixes: edc6158b18af ("net: ipa: define fields for event-ring related registers")
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: dpaa2-eth: do not always set xsk support in xdp_features flag
Lorenzo Bianconi [Wed, 15 Feb 2023 14:32:57 +0000 (15:32 +0100)]
net: dpaa2-eth: do not always set xsk support in xdp_features flag

Do not always add NETDEV_XDP_ACT_XSK_ZEROCOPY bit in xdp_features flag
but check if the NIC really supports it.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://lore.kernel.org/r/3dba6ea42dc343a9f2d7d1a6a6a6c173235e1ebf.1676471386.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
David S. Miller [Fri, 17 Feb 2023 11:06:39 +0000 (11:06 +0000)]
Merge ra./pub/scm/linux/kernel/git/netdev/net

Some of the devlink bits were tricky, but I think I got it right.

Signed-off-by: David S. Miller <davem@davemloft.net>
17 months agoMerge tag 'drm-fixes-2023-02-17' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 17 Feb 2023 04:23:32 +0000 (20:23 -0800)]
Merge tag 'drm-fixes-2023-02-17' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Just a final collection of misc fixes, the biggest disables the
  recently added dynamic debugging support, it has a regression that
  needs some bigger fixes.

  Otherwise a bunch of fixes across the board, vc4, amdgpu and vmwgfx
  mostly, with some smaller i915 and ast fixes.

  drm:
   - dynamic debug disable for now

  fbdev:
   - deferred i/o device close fix

  amdgpu:
   - Fix GC11.x suspend warning
   - Fix display warning

  vc4:
   - YUV planes fix
   - hdmi display fix
   - crtc reduced blanking fix

  ast:
   - fix start address computation

  vmwgfx:
   - fix bo/handle races

  i915:
   - gen11 WA fix"

* tag 'drm-fixes-2023-02-17' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Fail atomic_check early on normalize_zpos error
  drm/amd/amdgpu: fix warning during suspend
  drm/vmwgfx: Do not drop the reference to the handle too soon
  drm/vmwgfx: Stop accessing buffer objects which failed init
  drm/i915/gen11: Wa_1408615072/Wa_1407596294 should be on GT list
  drm: Disable dynamic debug as broken
  drm/ast: Fix start address computation
  fbdev: Fix invalid page access after closing deferred I/O devices
  drm/vc4: crtc: Increase setup cost in core clock calculation to handle extreme reduced blanking
  drm/vc4: hdmi: Always enable GCP with AVMUTE cleared
  drm/vc4: Fix YUV plane handling when planes are in different buffers

17 months agoMerge tag 'drm-intel-fixes-2023-02-16' of git://anongit.freedesktop.org/drm/drm-intel...
Dave Airlie [Thu, 16 Feb 2023 23:49:12 +0000 (09:49 +1000)]
Merge tag 'drm-intel-fixes-2023-02-16' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Moving gen11 hw wa to the right place. (Matt)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y+47eUvwbafER35/@intel.com
17 months agoMerge tag 'drm-misc-fixes-2023-02-16' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Thu, 16 Feb 2023 23:23:43 +0000 (09:23 +1000)]
Merge tag 'drm-misc-fixes-2023-02-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Multiple fixes in vc4 to address issues with YUV planes, HDMI and CRTC;
an invalid page access fix for fbdev, mark dynamic debug as broken, a
double free and refcounting fix for vmwgfx.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20230216091905.i5wswy4dd74x4br5@houat
17 months agoMerge tag 'amd-drm-fixes-6.2-2023-02-15' of https://gitlab.freedesktop.org/agd5f...
Dave Airlie [Thu, 16 Feb 2023 21:34:58 +0000 (07:34 +1000)]
Merge tag 'amd-drm-fixes-6.2-2023-02-15' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.2-2023-02-15:

amdgpu:
- Fix GC11.x suspend warning
- Fix display warning

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230216041122.7714-1-alexander.deucher@amd.com
17 months agoMerge tag 'net-6.2-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Thu, 16 Feb 2023 20:13:58 +0000 (12:13 -0800)]
Merge tag 'net-6.2-final' of git://git./linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Fixes from the main networking tree only, probably because all
  sub-trees have backed off and haven't submitted their changes.

  None of the fixes here are particularly scary and no outstanding
  regressions. In an ideal world the "current release" sections would be
  empty at this stage but that never happens.

  Current release - regressions:

   - fix unwanted sign extension in netdev_stats_to_stats64()

  Current release - new code bugs:

   - initialize net->notrefcnt_tracker earlier

   - devlink: fix netdev notifier chain corruption

   - nfp: make sure mbox accesses in IPsec code are atomic

   - ice: fix check for weight and priority of a scheduling node

  Previous releases - regressions:

   - ice: xsk: fix cleaning of XDP_TX frame, prevent inf loop

   - igb: fix I2C bit banging config with external thermal sensor

  Previous releases - always broken:

   - sched: tcindex: update imperfect hash filters respecting rcu

   - mpls: fix stale pointer if allocation fails during device rename

   - dccp/tcp: avoid negative sk_forward_alloc by ipv6_pinfo.pktoptions

   - remove WARN_ON_ONCE(sk->sk_forward_alloc) from
     sk_stream_kill_queues()

   - af_key: fix heap information leak

   - ipv6: fix socket connection with DSCP (correct interpretation of
     the tclass field vs fib rule matching)

   - tipc: fix kernel warning when sending SYN message

   - vmxnet3: read RSS information from the correct descriptor (eop)"

* tag 'net-6.2-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (35 commits)
  devlink: Fix netdev notifier chain corruption
  igb: conditionalize I2C bit banging on external thermal sensor support
  net: mpls: fix stale pointer if allocation fails during device rename
  net/sched: tcindex: search key must be 16 bits
  tipc: fix kernel warning when sending SYN message
  igb: Fix PPS input and output using 3rd and 4th SDP
  net: use a bounce buffer for copying skb->mark
  ixgbe: add double of VLAN header when computing the max MTU
  i40e: add double of VLAN header when computing the max MTU
  ixgbe: allow to increase MTU to 3K with XDP enabled
  net: stmmac: Restrict warning on disabling DMA store and fwd mode
  net/sched: act_ctinfo: use percpu stats
  net: stmmac: fix order of dwmac5 FlexPPS parametrization sequence
  ice: fix lost multicast packets in promisc mode
  ice: Fix check for weight and priority of a scheduling node
  bnxt_en: Fix mqprio and XDP ring checking logic
  net: Fix unwanted sign extension in netdev_stats_to_stats64()
  net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path
  net: openvswitch: fix possible memory leak in ovs_meter_cmd_set()
  af_key: Fix heap information leak
  ...

17 months agoMerge tag 'block-6.2-2023-02-16' of git://git.kernel.dk/linux
Linus Torvalds [Thu, 16 Feb 2023 20:05:33 +0000 (12:05 -0800)]
Merge tag 'block-6.2-2023-02-16' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Just a few NVMe fixes that should go into the 6.2 release, adding a
  quirk and fixing two issues introduced in this release:

   - NVMe fixes via Christoph:
       - Always return an ERR_PTR from nvme_pci_alloc_dev (Irvin Cote)
       - Add bogus ID quirk for ADATA SX6000PNP (Daniel Wagner)
       - Set the DMA mask earlier (Christoph Hellwig)"

* tag 'block-6.2-2023-02-16' of git://git.kernel.dk/linux:
  nvme-pci: always return an ERR_PTR from nvme_pci_alloc_dev
  nvme-pci: set the DMA mask earlier
  nvme-pci: add bogus ID quirk for ADATA SX6000PNP

17 months agoMerge tag 'spi-v6.2-rc8-abi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Linus Torvalds [Thu, 16 Feb 2023 20:01:46 +0000 (12:01 -0800)]
Merge tag 'spi-v6.2-rc8-abi' of git://git./linux/kernel/git/broonie/spi

Pull spi fix from Mark Brown:
 "One more last minute patch for v6.2 updating the parsing of the newly
  added spi-cs-setup-delay-ns.

  It's been pointed out that due to the way DT parsing works the change
  in property size is ABI visible so let's not let a release go out
  without it being fixed. The change got split from some earlier ABI
  related fixes to the property since the first version sent had a build
  error"

* tag 'spi-v6.2-rc8-abi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: Use a 32-bit DT property for spi-cs-setup-delay-ns

17 months agoMerge tag 'gpio-fixes-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 16 Feb 2023 19:57:43 +0000 (11:57 -0800)]
Merge tag 'gpio-fixes-for-v6.2' of git://git./linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix a potential Kconfig issue with gpio-mlxbf2 not selecting
   GPIOLIB_IRQCHIP

 - another immutable irqchip conversion, this time for gpio-vf610

 - fix a wakeup issue on Clevo NH5xAx

* tag 'gpio-fixes-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: mlxbf2: select GPIOLIB_IRQCHIP
  gpiolib: acpi: Add a ignore wakeup quirk for Clevo NH5xAx
  gpio: vf610: make irq_chip immutable
  gpiolib: acpi: remove redundant declaration

17 months agostop mainaining UUID
Christoph Hellwig [Thu, 16 Feb 2023 06:31:10 +0000 (07:31 +0100)]
stop mainaining UUID

The uuid code is very low maintainance now that the major overhaul
has completed, and doesn't need it's own tree.  All the recent work
has been done by Andy who'd like to stay on as a reviewer without an
explicit tree.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
17 months agoorphan sysvfs
Christoph Hellwig [Thu, 16 Feb 2023 06:29:22 +0000 (07:29 +0100)]
orphan sysvfs

This code has been stale for years and I have no way to test it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
17 months agoMerge branch 'mlx5-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mellanox...
Jakub Kicinski [Thu, 16 Feb 2023 19:36:14 +0000 (11:36 -0800)]
Merge branch 'mlx5-next' of https://git./linux/kernel/git/mellanox/linux

Leon Romanovsky says:

====================
mlx5-next changes

Following previous conversations [1] and our clear commitment to do
the TC work [2], please pull mlx5-next shared branch, which includes
low-level steering logic to allow RoCEv2 traffic to be encrypted/
decrypted through IPsec.

[1] https://lore.kernel.org/all/20230126230815.224239-1-saeed@kernel.org/
[2] https://lore.kernel.org/all/Y+Z7lVVWqnRBiPh2@nvidia.com/

* 'mlx5-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
  net/mlx5: Configure IPsec steering for egress RoCEv2 traffic
  net/mlx5: Configure IPsec steering for ingress RoCEv2 traffic
  net/mlx5: Add IPSec priorities in RDMA namespaces
  net/mlx5: Implement new destination type TABLE_TYPE
  net/mlx5: Introduce new destination type TABLE_TYPE
====================

Link: https://lore.kernel.org/r/20230215095624.1365200-1-leon@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoMerge tag 'wireless-next-2023-03-16' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Thu, 16 Feb 2023 19:33:10 +0000 (11:33 -0800)]
Merge tag 'wireless-next-2023-03-16' of git://git./linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Major stack changes:
 * EHT channel puncturing support (client & AP)
 * some support for AP MLD without mac80211
 * fixes for A-MSDU on mesh connections

Major driver changes:

iwlwifi
 * EHT rate reporting
 * Bump FW API to 74 for AX devices
 * STEP equalizer support: transfer some STEP (connection to radio
   on platforms with integrated wifi) related parameters from the
   BIOS to the firmware

mt76
 * switch to using page pool allocator
 * mt7996 EHT (Wi-Fi 7) support
 * Wireless Ethernet Dispatch (WED) reset support

libertas
 * WPS enrollee support

brcmfmac
 * Rename Cypress 89459 to BCM4355
 * BCM4355 and BCM4377 support

mwifiex
 * SD8978 chipset support

rtl8xxxu
 * LED support

ath12k
 * new driver for Qualcomm Wi-Fi 7 devices

ath11k
 * IPQ5018 support
 * Fine Timing Measurement (FTM) responder role support
 * channel 177 support

ath10k
 * store WLAN firmware version in SMEM image table

* tag 'wireless-next-2023-03-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (207 commits)
  wifi: brcmfmac: p2p: Introduce generic flexible array frame member
  wifi: mac80211: add documentation for amsdu_mesh_control
  wifi: cfg80211: remove gfp parameter from cfg80211_obss_color_collision_notify description
  wifi: mac80211: always initialize link_sta with sta
  wifi: mac80211: pass 'sta' to ieee80211_rx_data_set_sta()
  wifi: cfg80211: Set SSID if it is not already set
  wifi: rtw89: move H2C of del_pkt_offload before polling FW status ready
  wifi: rtw89: use readable return 0 in rtw89_mac_cfg_ppdu_status()
  wifi: rtw88: usb: drop now unnecessary URB size check
  wifi: rtw88: usb: send Zero length packets if necessary
  wifi: rtw88: usb: Set qsel correctly
  wifi: mac80211: fix off-by-one link setting
  wifi: mac80211: Fix for Rx fragmented action frames
  wifi: mac80211: avoid u32_encode_bits() warning
  wifi: mac80211: Don't translate MLD addresses for multicast
  wifi: cfg80211: call reg_notifier for self managed wiphy from driver hint
  wifi: cfg80211: get rid of gfp in cfg80211_bss_color_notify
  wifi: nl80211: Allow authentication frames and set keys on NAN interface
  wifi: mac80211: fix non-MLO station association
  wifi: mac80211: Allow NSS change only up to capability
  ...
====================

Link: https://lore.kernel.org/r/20230216105406.208416-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoMerge tag 'intel-gpio-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andy...
Bartosz Golaszewski [Thu, 16 Feb 2023 12:31:42 +0000 (13:31 +0100)]
Merge tag 'intel-gpio-v6.2-2' of git://git./linux/kernel/git/andy/linux-gpio-intel into gpio/for-current

intel-gpio for v6.2-2

* Ignore spurious wakeup by touchpad on Clevo NH5xAx
* Miscellaneous fix(es)

17 months agoMerge branch 'seg6-add-psp-flavor-support-for-srv6-end-behavior'
Paolo Abeni [Thu, 16 Feb 2023 12:30:06 +0000 (13:30 +0100)]
Merge branch 'seg6-add-psp-flavor-support-for-srv6-end-behavior'

Andrea Mayer says:

====================
seg6: add PSP flavor support for SRv6 End behavior

Segment Routing for IPv6 (SRv6 in short) [1] is the instantiation of the
Segment Routing (SR) [2] architecture on the IPv6 dataplane.
In SRv6, the segment identifiers (SID) are IPv6 addresses and the segment list
(SID List) is carried in the Segment Routing Header (SRH). A segment may be
bound to a specific packet processing operation called "behavior". The RFC8986
[3] defines and standardizes the most common/relevant behaviors for network
operators, e.g., End, End.X and End.T and so on.

The RFC8986 also introduces the "flavors" framework aiming to modify or extend
the capabilities of SRv6 End, End.X and End.T behaviors. Specifically, these
behaviors support the following flavors (either individually or in
combinations):
 - Penultimate Segment Pop (PSP);
 - Ultimate Segment Pop (USP);
 - Ultimate Segment Decapsulation (USD).

Such flavors enable an End/End.X/End.T behavior to pop the SRH on the
penultimate/ultimate SR endpoint node listed in the SID List or to perform a
full decapsulation.

Currently, the Linux kernel supports a large subset of behaviors described in
RFC8986, including the End, End.X and End.T. However, PSP, USP and USD flavors
have not yet been implemented.

In this patchset, we extend the SRv6 subsystem to implement the PSP flavor in
the SRv6 End behavior. To accomplish this task, we leverage the flavor
framework previously introduced by another patchset required for supporting the
efficient representation of the SID List through the NEXT-C-SID mechanism [4].

In details, the patchset is made of:
 - patch 1/3: seg6: factor out End lookup nexthop processing to a dedicated
              function
 - patch 2/3: seg6: add PSP flavor support for SRv6 End behavior
 - patch 3/3: selftests: seg6: add selftest for PSP flavor in SRv6 End
              behavior

From the user space perspective, we do not need to change the iproute2 code to
support the PSP flavor. However, we provide the man page for the PSP flavor in
a separate patch.

Comments, improvements and suggestions are always appreciated.

[1] - RFC8754: https://datatracker.ietf.org/doc/html/rfc8754
[2] - RFC8402: https://datatracker.ietf.org/doc/html/rfc8402
[3] - RFC8986: https://datatracker.ietf.org/doc/html/rfc8986
[4] - https://datatracker.ietf.org/doc/html/draft-ietf-spring-srv6-srh-compression
====================

Link: https://lore.kernel.org/r/20230215134659.7613-1-andrea.mayer@uniroma2.it
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoselftests: seg6: add selftest for PSP flavor in SRv6 End behavior
Andrea Mayer [Wed, 15 Feb 2023 13:46:59 +0000 (14:46 +0100)]
selftests: seg6: add selftest for PSP flavor in SRv6 End behavior

This selftest is designed for testing the PSP flavor in SRv6 End behavior.
It instantiates a virtual network composed of several nodes: hosts and
SRv6 routers. Each node is realized using a network namespace that is
properly interconnected to others through veth pairs.
The test makes use of the SRv6 End behavior and of the PSP flavor needed
for removing the SRH from the IPv6 header at the penultimate node.

The correct execution of the behavior is verified through reachability
tests carried out between hosts.

Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Paolo Lungaroni <paolo.lungaroni@uniroma2.it>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoseg6: add PSP flavor support for SRv6 End behavior
Andrea Mayer [Wed, 15 Feb 2023 13:46:58 +0000 (14:46 +0100)]
seg6: add PSP flavor support for SRv6 End behavior

The "flavors" framework defined in RFC8986 [1] represents additional
operations that can modify or extend a subset of existing behaviors such as
SRv6 End, End.X and End.T. We report these flavors hereafter:
 - Penultimate Segment Pop (PSP);
 - Ultimate Segment Pop (USP);
 - Ultimate Segment Decapsulation (USD).

Depending on how the Segment Routing Header (SRH) has to be handled, an
SRv6 End* behavior can support these flavors either individually or in
combinations.
In this patch, we only consider the PSP flavor for the SRv6 End behavior.

A PSP enabled SRv6 End behavior is used by the Source/Ingress SR node
(i.e., the one applying the SRv6 Policy) when it needs to instruct the
penultimate SR Endpoint node listed in the SID List (carried by the SRH) to
remove the SRH from the IPv6 header.

Specifically, a PSP enabled SRv6 End behavior processes the SRH by:
   i) decreasing the Segment Left (SL) from 1 to 0;
  ii) copying the Last Segment IDentifier (SID) into the IPv6 Destination
      Address (DA);
 iii) removing (i.e., popping) the outer SRH from the extension headers
      following the IPv6 header.

It is important to note that PSP operation (steps i, ii, iii) takes place
only at a penultimate SR Segment Endpoint node (i.e., when the SL=1) and
does not happen at non-penultimate Endpoint nodes. Indeed, when a SID of
PSP flavor is processed at a non-penultimate SR Segment Endpoint node, the
PSP operation is not performed because it would not be possible to decrease
the SL from 1 to 0.

                                                 SL=2 SL=1 SL=0
                                                   |    |    |
For example, given the SRv6 policy (SID List := <  X,   Y,   Z  >):
 - a PSP enabled SRv6 End behavior bound to SID "Y" will apply the PSP
   operation as Segment Left (SL) is 1, corresponding to the Penultimate
   Segment of the SID List;
 - a PSP enabled SRv6 End behavior bound to SID "X" will *NOT* apply the
   PSP operation as the Segment Left is 2. This behavior instance will
   apply the "standard" End packet processing, ignoring the configured PSP
   flavor at all.

[1] - RFC8986: https://datatracker.ietf.org/doc/html/rfc8986

Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoseg6: factor out End lookup nexthop processing to a dedicated function
Andrea Mayer [Wed, 15 Feb 2023 13:46:57 +0000 (14:46 +0100)]
seg6: factor out End lookup nexthop processing to a dedicated function

The End nexthop lookup/input operations are moved into a new helper
function named input_action_end_finish(). This avoids duplicating the
code needed to compute the nexthop in the different flavors of the End
behavior.

Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: dsa: ocelot: fix selecting MFD_OCELOT
Lukas Bulwahn [Wed, 15 Feb 2023 10:46:31 +0000 (11:46 +0100)]
net: dsa: ocelot: fix selecting MFD_OCELOT

Commit 3d7316ac81ac ("net: dsa: ocelot: add external ocelot switch
control") adds config NET_DSA_MSCC_OCELOT_EXT, which selects the
non-existing config MFD_OCELOT_CORE.

Replace this select with the intended and existing MFD_OCELOT.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Colin Foster <colin.foster@in-advantage.com>
Link: https://lore.kernel.org/r/20230215104631.31568-1-lukas.bulwahn@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge branch 'sfc-devlink-support-for-ef100'
Paolo Abeni [Thu, 16 Feb 2023 11:03:15 +0000 (12:03 +0100)]
Merge branch 'sfc-devlink-support-for-ef100'

Alejandro Lucero says:

====================
sfc: devlink support for ef100

This patchset adds devlink port support for ef100 allowing setting VFs
mac addresses through the VF representor devlink ports.

Basic devlink infrastructure is first introduced, then support for info
command. Next changes for enumerating MAE ports which will be used for
devlink port creation when netdevs are registered.

Adding support for devlink port_function_hw_addr_get requires changes in
the ef100 driver for getting the mac address based on a client handle.
This allows to obtain VFs mac addresses during netdev initialization as
well what is included in patch 6.

Such client handle is used in patches 7 and 8 for getting and setting
devlink port addresses.
====================

Link: https://lore.kernel.org/r/20230215090828.11697-1-alejandro.lucero-palau@amd.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add support for devlink port_function_hw_addr_set in ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:28 +0000 (09:08 +0000)]
sfc: add support for devlink port_function_hw_addr_set in ef100

Using the builtin client handle id infrastructure, add support for
setting the mac address linked to mports in ef100. This implies to
execute an MCDI command for giving the address to the firmware for
the specific devlink port.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add support for devlink port_function_hw_addr_get in ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:27 +0000 (09:08 +0000)]
sfc: add support for devlink port_function_hw_addr_get in ef100

Using the builtin client handle id infrastructure, add support for
obtaining the mac address linked to mports in ef100. This implies
to execute an MCDI command for getting the data from the firmware
for each devlink port.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: obtain device mac address based on firmware handle for ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:26 +0000 (09:08 +0000)]
sfc: obtain device mac address based on firmware handle for ef100

Getting device mac address is currently based on a specific MCDI command
only available for the PF. This patch changes the MCDI command to a
generic one for PFs and VFs based on a client handle. This allows both
PFs and VFs to ask for their mac address during initialization using the
CLIENT_HANDLE_SELF.

Moreover, the patch allows other client handles which will be used by
the PF to ask for mac addresses linked to VFs. This is necessary for
suporting the port_function_hw_addr_get devlink function in further
patches.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add devlink port support for ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:25 +0000 (09:08 +0000)]
sfc: add devlink port support for ef100

Using the data when enumerating mports, create devlink ports just before
netdevs are registered and remove those devlink ports after netdev has
been unregistered.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add mport lookup based on driver's mport data
Alejandro Lucero [Wed, 15 Feb 2023 09:08:24 +0000 (09:08 +0000)]
sfc: add mport lookup based on driver's mport data

Obtaining mport id is based on asking the firmware about it. This is
still needed for mport initialization itself, but once the mport data is
now kept by the driver, further mport id request can be satisfied
internally without firmware interaction.

Previous function is just modified in name making clear the firmware
interaction. The new function uses the old name and looks for the data
in the mport data structure.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: enumerate mports in ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:23 +0000 (09:08 +0000)]
sfc: enumerate mports in ef100

MAE ports (mports) are the ports on the EF100 embedded switch such
as networking PCIe functions, the physical port, and potentially
others.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add devlink info support for ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:22 +0000 (09:08 +0000)]
sfc: add devlink info support for ef100

Add devlink info support for ef100. The information reported is obtained
through the MCDI interface with the specific meaning defined in new
documentation file.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agosfc: add devlink support for ef100
Alejandro Lucero [Wed, 15 Feb 2023 09:08:21 +0000 (09:08 +0000)]
sfc: add devlink support for ef100

Add devlink infrastructure support. Further patches add devlink
info and devlink port support.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agodevlink: Fix netdev notifier chain corruption
Ido Schimmel [Wed, 15 Feb 2023 07:31:39 +0000 (09:31 +0200)]
devlink: Fix netdev notifier chain corruption

Cited commit changed devlink to register its netdev notifier block on
the global netdev notifier chain instead of on the per network namespace
one.

However, when changing the network namespace of the devlink instance,
devlink still tries to unregister its notifier block from the chain of
the old namespace and register it on the chain of the new namespace.
This results in corruption of the notifier chains, as the same notifier
block is registered on two different chains: The global one and the per
network namespace one. In turn, this causes other problems such as the
inability to dismantle namespaces due to netdev reference count issues.

Fix by preventing devlink from moving its notifier block between
namespaces.

Reproducer:

 # echo "10 1" > /sys/bus/netdevsim/new_device
 # ip netns add test123
 # devlink dev reload netdevsim/netdevsim10 netns test123
 # ip netns del test123
 [   71.935619] unregister_netdevice: waiting for lo to become free. Usage count = 2
 [   71.938348] leaked reference.

Fixes: 565b4824c39f ("devlink: change port event netdev notifier from per-net to global")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230215073139.1360108-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge branch 'net-sched-transition-actions-to-pcpu-stats-and-rcu'
Paolo Abeni [Thu, 16 Feb 2023 09:39:30 +0000 (10:39 +0100)]
Merge branch 'net-sched-transition-actions-to-pcpu-stats-and-rcu'

Pedro Tammela says:

====================
net/sched: transition actions to pcpu stats and rcu

Following the work done for act_pedit[0], transition the remaining tc
actions to percpu stats and rcu, whenever possible.
Percpu stats make updating the action stats very cheap, while combining
it with rcu action parameters makes it possible to get rid of the per
action lock in the datapath.

For act_connmark and act_nat we run the following tests:
- tc filter add dev ens2f0 ingress matchall action connmark
- tc filter add dev ens2f0 ingress matchall action nat ingress any 10.10.10.10

Our setup consists of a 26 cores Intel CPU and a 25G NIC.
We use TRex to shoot 10mpps TCP packets and take perf measurements.
Both actions improved performance as expected since the datapath lock disappeared.

For act_pedit we move the drop counter to percpu, when available.
For act_gate we move the counters to percpu, when available.

[0] https://lore.kernel.org/all/20230131145149.3776656-1-pctammela@mojatatu.com/
====================

Link: https://lore.kernel.org/r/20230214211534.735718-1-pctammela@mojatatu.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: act_pedit: use percpu overlimit counter when available
Pedro Tammela [Tue, 14 Feb 2023 21:15:34 +0000 (18:15 -0300)]
net/sched: act_pedit: use percpu overlimit counter when available

Since act_pedit now has access to percpu counters, use the
tcf_action_inc_overlimit_qstats wrapper that will use the percpu
counter whenever they are available.

Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: act_gate: use percpu stats
Pedro Tammela [Tue, 14 Feb 2023 21:15:33 +0000 (18:15 -0300)]
net/sched: act_gate: use percpu stats

The tc action act_gate was using shared stats, move it to percpu stats.

tdc results:
1..12
ok 1 5153 - Add gate action with priority and sched-entry
ok 2 7189 - Add gate action with base-time
ok 3 a721 - Add gate action with cycle-time
ok 4 c029 - Add gate action with cycle-time-ext
ok 5 3719 - Replace gate base-time action
ok 6 d821 - Delete gate action with valid index
ok 7 3128 - Delete gate action with invalid index
ok 8 7837 - List gate actions
ok 9 9273 - Flush gate actions
ok 10 c829 - Add gate action with duplicate index
ok 11 3043 - Add gate action with invalid index
ok 12 2930 - Add gate action with cookie

Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: act_connmark: transition to percpu stats and rcu
Pedro Tammela [Tue, 14 Feb 2023 21:15:32 +0000 (18:15 -0300)]
net/sched: act_connmark: transition to percpu stats and rcu

The tc action act_connmark was using shared stats and taking the per
action lock in the datapath. Improve it by using percpu stats and rcu.

perf before:
- 13.55% tcf_connmark_act
   - 81.18% _raw_spin_lock
       80.46% native_queued_spin_lock_slowpath

perf after:
- 2.85% tcf_connmark_act

tdc results:
1..15
ok 1 2002 - Add valid connmark action with defaults
ok 2 56a5 - Add valid connmark action with control pass
ok 3 7c66 - Add valid connmark action with control drop
ok 4 a913 - Add valid connmark action with control pipe
ok 5 bdd8 - Add valid connmark action with control reclassify
ok 6 b8be - Add valid connmark action with control continue
ok 7 d8a6 - Add valid connmark action with control jump
ok 8 aae8 - Add valid connmark action with zone argument
ok 9 2f0b - Add valid connmark action with invalid zone argument
ok 10 9305 - Add connmark action with unsupported argument
ok 11 71ca - Add valid connmark action and replace it
ok 12 5f8f - Add valid connmark action with cookie
ok 13 c506 - Replace connmark with invalid goto chain control
ok 14 6571 - Delete connmark action with valid index
ok 15 3426 - Delete connmark action with invalid index

Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: act_nat: transition to percpu stats and rcu
Pedro Tammela [Tue, 14 Feb 2023 21:15:31 +0000 (18:15 -0300)]
net/sched: act_nat: transition to percpu stats and rcu

The tc action act_nat was using shared stats and taking the per action
lock in the datapath. Improve it by using percpu stats and rcu.

perf before:
- 10.48% tcf_nat_act
   - 81.83% _raw_spin_lock
        81.08% native_queued_spin_lock_slowpath

perf after:
- 0.48% tcf_nat_act

tdc results:
1..27
ok 1 7565 - Add nat action on ingress with default control action
ok 2 fd79 - Add nat action on ingress with pipe control action
ok 3 eab9 - Add nat action on ingress with continue control action
ok 4 c53a - Add nat action on ingress with reclassify control action
ok 5 76c9 - Add nat action on ingress with jump control action
ok 6 24c6 - Add nat action on ingress with drop control action
ok 7 2120 - Add nat action on ingress with maximum index value
ok 8 3e9d - Add nat action on ingress with invalid index value
ok 9 f6c9 - Add nat action on ingress with invalid IP address
ok 10 be25 - Add nat action on ingress with invalid argument
ok 11 a7bd - Add nat action on ingress with DEFAULT IP address
ok 12 ee1e - Add nat action on ingress with ANY IP address
ok 13 1de8 - Add nat action on ingress with ALL IP address
ok 14 8dba - Add nat action on egress with default control action
ok 15 19a7 - Add nat action on egress with pipe control action
ok 16 f1d9 - Add nat action on egress with continue control action
ok 17 6d4a - Add nat action on egress with reclassify control action
ok 18 b313 - Add nat action on egress with jump control action
ok 19 d9fc - Add nat action on egress with drop control action
ok 20 a895 - Add nat action on egress with DEFAULT IP address
ok 21 2572 - Add nat action on egress with ANY IP address
ok 22 37f3 - Add nat action on egress with ALL IP address
ok 23 6054 - Add nat action on egress with cookie
ok 24 79d6 - Add nat action on ingress with cookie
ok 25 4b12 - Replace nat action with invalid goto chain control
ok 26 b811 - Delete nat action with valid index
ok 27 a521 - Delete nat action with invalid index

Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge branch 'net-core-commmon-prints-for-promisc'
Paolo Abeni [Thu, 16 Feb 2023 09:11:29 +0000 (10:11 +0100)]
Merge branch 'net-core-commmon-prints-for-promisc'

Jesse Brandeburg says:

====================
net/core: commmon prints for promisc

Add a print to the kernel log for allmulticast entry and exit, and
standardize the print for entry and exit of promiscuous mode.

These prints are useful to both user and developer and should have the
triggering driver/bus/device info that netdev_info (optionally) gives.
====================

Link: https://lore.kernel.org/r/20230214210117.23123-1-jesse.brandeburg@intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/core: refactor promiscuous mode message
Jesse Brandeburg [Tue, 14 Feb 2023 21:01:17 +0000 (13:01 -0800)]
net/core: refactor promiscuous mode message

The kernel stack can be more consistent by printing the IFF_PROMISC
aka promiscuous enable/disable messages with the standard netdev_info
message which can include bus and driver info as well as the device.

typical command usage from user space looks like:
ip link set eth0 promisc <on|off>

But lots of utilities such as bridge, tcpdump, etc put the interface into
promiscuous mode.

old message:
[  406.034418] device eth0 entered promiscuous mode
[  408.424703] device eth0 left promiscuous mode

new message:
[  406.034431] ice 0000:17:00.0 eth0: entered promiscuous mode
[  408.424715] ice 0000:17:00.0 eth0: left promiscuous mode

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/core: print message for allmulticast
Jesse Brandeburg [Tue, 14 Feb 2023 21:01:16 +0000 (13:01 -0800)]
net/core: print message for allmulticast

When the user sets or clears the IFF_ALLMULTI flag in the netdev, there are
no log messages printed to the kernel log to indicate anything happened.
This is inexplicably different from most other dev->flags changes, and
could suprise the user.

Typically this occurs from user-space when a user:
ip link set eth0 allmulticast <on|off>

However, other devices like bridge set allmulticast as well, and many
other flows might trigger entry into allmulticast as well.

The new message uses the standard netdev_info print and looks like:
[  413.246110] ixgbe 0000:17:00.0 eth0: entered allmulticast mode
[  415.977184] ixgbe 0000:17:00.0 eth0: left allmulticast mode

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agowifi: brcmfmac: p2p: Introduce generic flexible array frame member
Kees Cook [Wed, 15 Feb 2023 22:41:14 +0000 (14:41 -0800)]
wifi: brcmfmac: p2p: Introduce generic flexible array frame member

Silence run-time memcpy() false positive warning when processing
management frames:

  memcpy: detected field-spanning write (size 27) of single field "&mgmt_frame->u" at drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c:1469 (size 26)

Due to this (soon to be fixed) GCC bug[1], FORTIFY_SOURCE (via
__builtin_dynamic_object_size) doesn't recognize that the union may end
with a flexible array, and returns "26" (the fixed size of the union),
rather than the remaining size of the allocation. Add an explicit
flexible array member and set it as the destination here, so that we
get the correct coverage for the memcpy().

[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101832

Reported-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Arend van Spriel <aspriel@gmail.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Darrick J. Wong" <djwong@kernel.org>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Brian Henriquez <brian.henriquez@cypress.com>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: SHA-cyfmac-dev-list@infineon.com
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230215224110.never.022-kees@kernel.org
[rename 'frame' to 'body']
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agoMerge branch 'net-sched-retire-some-tc-qdiscs-and-classifiers'
Paolo Abeni [Thu, 16 Feb 2023 08:27:09 +0000 (09:27 +0100)]
Merge branch 'net-sched-retire-some-tc-qdiscs-and-classifiers'

Jamal Hadi Salim says:

====================
net/sched: Retire some tc qdiscs and classifiers

The CBQ + dsmark qdiscs and the tcindex + rsvp classifiers have served us for
over 2 decades. Unfortunately, they have not been getting much attention due
to reduced usage. While we dont have a good metric for tabulating how much use
a specific kernel feature gets, for these specific features we observed that
some of the functionality has been broken for some time and no users complained.
In addition, syzkaller has been going to town on most of these and finding
issues; and while we have been fixing those issues, at times it becomes obvious
that we would need to perform bigger surgeries to resolve things found while
getting a syzkaller fix in place. After some discussion we feel that in order
to reduce the maintenance burden it is best to retire them.

This patchset leaves the UAPI alone. I could send another version which deletes
the UAPI as well. AFAIK, this has not been done before - so it wasnt clear what
how to handle UAPI. It seems legit to just delete it but we would need to
coordinate with iproute2 (given they sync up with kernel uapi headers). There
are probably other users we don't know of that copy kernel headers.
If folks feel differently I will resend the patches deleting UAPI for these
qdiscs and classifiers.

I will start another thread on iproute2 before sending any patches to iproute2.
====================

Link: https://lore.kernel.org/r/20230214134915.199004-1-jhs@mojatatu.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: Retire rsvp classifier
Jamal Hadi Salim [Tue, 14 Feb 2023 13:49:15 +0000 (08:49 -0500)]
net/sched: Retire rsvp classifier

The rsvp classifier has served us well for about a quarter of a century but has
has not been getting much maintenance attention due to lack of known users.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: Retire tcindex classifier
Jamal Hadi Salim [Tue, 14 Feb 2023 13:49:14 +0000 (08:49 -0500)]
net/sched: Retire tcindex classifier

The tcindex classifier has served us well for about a quarter of a century
but has not been getting much TLC due to lack of known users. Most recently
it has become easy prey to syzkaller. For this reason, we are retiring it.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: Retire dsmark qdisc
Jamal Hadi Salim [Tue, 14 Feb 2023 13:49:13 +0000 (08:49 -0500)]
net/sched: Retire dsmark qdisc

The dsmark qdisc has served us well over the years for diffserv but has not
been getting much attention due to other more popular approaches to do diffserv
services. Most recently it has become a shooting target for syzkaller. For this
reason, we are retiring it.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: Retire ATM qdisc
Jamal Hadi Salim [Tue, 14 Feb 2023 13:49:12 +0000 (08:49 -0500)]
net/sched: Retire ATM qdisc

The ATM qdisc has served us well over the years but has not been getting much
TLC due to lack of known users. Most recently it has become a shooting target
for syzkaller. For this reason, we are retiring it.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet/sched: Retire CBQ qdisc
Jamal Hadi Salim [Tue, 14 Feb 2023 13:49:11 +0000 (08:49 -0500)]
net/sched: Retire CBQ qdisc

While this amazing qdisc has served us well over the years it has not been
getting any tender love and care and has bitrotted over time.
It has become mostly a shooting target for syzkaller lately.
For this reason, we are retiring it. Goodbye CBQ - we loved you.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge branch 'adding-sparx5-es0-vcap-support'
Paolo Abeni [Thu, 16 Feb 2023 07:59:51 +0000 (08:59 +0100)]
Merge branch 'adding-sparx5-es0-vcap-support'

Steen Hegelund says:

====================
Adding Sparx5 ES0 VCAP support

This provides the Egress Stage 0 (ES0) VCAP (Versatile Content-Aware
Processor) support for the Sparx5 platform.

The ES0 VCAP is an Egress Access Control VCAP that uses frame keyfields and
previously classified keyfields to add, rewrite or remove VLAN tags on the
egress frames, and is therefore often referred to as the rewriter.

The ES0 VCAP also supports trapping frames to the host.

The ES0 VCAP has 1 lookup accessible with this chain id:

- chain 10000000: ES0 Lookup 0

The ES0 VCAP does not do traffic classification to select a keyset, but it
does have two keysets that can be used on all traffic.  For now only the
ISDX keyset is used.

The ES0 VCAP can match on an ISDX key (Ingress Service Index) as one of the
frame metadata keyfields, similar to the ES2 VCAP.

The ES0 VCAP uses external counters in the XQS (statistics) group.
====================

Link: https://lore.kernel.org/r/20230214104049.1553059-1-steen.hegelund@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Add TC vlan action support for the ES0 VCAP
Steen Hegelund [Tue, 14 Feb 2023 10:40:49 +0000 (11:40 +0100)]
net: microchip: sparx5: Add TC vlan action support for the ES0 VCAP

This provides these 3 actions for rule in the ES0 VCAP:

- action vlan pop
- action vlan modify id X priority Y
- action vlan push id X priority Y protocol Z

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Add TC support for the ES0 VCAP
Steen Hegelund [Tue, 14 Feb 2023 10:40:48 +0000 (11:40 +0100)]
net: microchip: sparx5: Add TC support for the ES0 VCAP

This enables the TC command to use the Sparx5 ES0 VCAP, and handling of
rule links between IS0 and ES0.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Add ES0 VCAP keyset configuration for Sparx5
Steen Hegelund [Tue, 14 Feb 2023 10:40:47 +0000 (11:40 +0100)]
net: microchip: sparx5: Add ES0 VCAP keyset configuration for Sparx5

This adds the ES0 VCAP port keyset configuration for Sparx5.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Updated register interface with VCAP ES0 access
Steen Hegelund [Tue, 14 Feb 2023 10:40:46 +0000 (11:40 +0100)]
net: microchip: sparx5: Updated register interface with VCAP ES0 access

This provides access to the ES0 VCAP register targets

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Add ES0 VCAP model and updated KUNIT VCAP model
Steen Hegelund [Tue, 14 Feb 2023 10:40:45 +0000 (11:40 +0100)]
net: microchip: sparx5: Add ES0 VCAP model and updated KUNIT VCAP model

This provides the VCAP model for the Sparx5 ES0 (Egress Stage 0) VCAP.

This VCAP provides rewriting functionality in the egress path.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Improve the error handling for linked rules
Steen Hegelund [Tue, 14 Feb 2023 10:40:44 +0000 (11:40 +0100)]
net: microchip: sparx5: Improve the error handling for linked rules

Ensure that an error is returned if the VCAP instance was not found.
The chain offset (diff) is allowed to be zero as this just means that the
user did not request rules to be linked.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Use chain ids without offsets when enabling rules
Steen Hegelund [Tue, 14 Feb 2023 10:40:43 +0000 (11:40 +0100)]
net: microchip: sparx5: Use chain ids without offsets when enabling rules

This improves the check performed on linked rules when enabling or
disabling them.  The chain id used must be the chain id without the offset
used for linking the rules.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Egress VLAN TPID configuration follows IFH
Steen Hegelund [Tue, 14 Feb 2023 10:40:42 +0000 (11:40 +0100)]
net: microchip: sparx5: Egress VLAN TPID configuration follows IFH

This changes the TPID of the egress frames to use the TPID stored in the
IFH (internal frame header), which ensures that this is the TPID classified
for the frame at ingress.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Clear rule counter even if lookup is disabled
Steen Hegelund [Tue, 14 Feb 2023 10:40:41 +0000 (11:40 +0100)]
net: microchip: sparx5: Clear rule counter even if lookup is disabled

The rule counter must be cleared when creating a new rule, even if the VCAP
lookup is currently disabled.

This ensures that rules located in VCAPs that use external counters (such
as Sparx5 IS2 and ES0) will have their counter reset even if the VCAP
lookup is not enabled at the moment.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Fixes: 95fa74148daa ("net: microchip: sparx5: Reset VCAP counter for new rules")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agonet: microchip: sparx5: Discard frames with SMAC multicast addresses
Steen Hegelund [Tue, 14 Feb 2023 10:40:40 +0000 (11:40 +0100)]
net: microchip: sparx5: Discard frames with SMAC multicast addresses

A valid frame should never use a multicast address as its source MAC
address, so discard these invalid frames.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
17 months agoMerge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next...
Jakub Kicinski [Thu, 16 Feb 2023 05:52:33 +0000 (21:52 -0800)]
Merge branch '100GbE' of git://git./linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-02-14 (ice)

This series contains updates to ice driver only.

Karol extends support for GPIO pins to E823 devices.

Daniel Vacek stops processing of PTP packets when link is down.

Pawel adds support for BIG TCP for IPv6.

Tony changes return type of ice_vsi_realloc_stat_arrays() as it always
returns success.

Zhu Yanjun updates kdoc stating supported TLVs.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  ice: Mention CEE DCBX in code comment
  ice: Change ice_vsi_realloc_stat_arrays() to void
  ice: add support BIG TCP on IPv6
  ice/ptp: fix the PTP worker retrying indefinitely if the link went down
  ice: Add GPIO pin support for E823 products
====================

Link: https://lore.kernel.org/r/20230214213003.2117125-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoDocumentation: core-api: packing: correct spelling
Randy Dunlap [Wed, 15 Feb 2023 05:37:38 +0000 (21:37 -0800)]
Documentation: core-api: packing: correct spelling

Correct spelling problems for Documentation/core-api/packing.rst as
reported by codespell.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Acked-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Link: https://lore.kernel.org/r/20230215053738.11562-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodt-bindings: net: snps,dwmac: Fix snps,reset-delays-us dependency
Andrew Halaney [Tue, 14 Feb 2023 17:15:04 +0000 (11:15 -0600)]
dt-bindings: net: snps,dwmac: Fix snps,reset-delays-us dependency

The schema had snps,reset-delay-us as dependent on snps,reset-gpio. The
actual property is called snps,reset-delays-us, so fix this to catch any
devicetree defining snsps,reset-delays-us without snps,reset-gpio.

Fixes: 7db3545aef5f ("dt-bindings: net: stmmac: Convert the binding to a schemas")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20230214171505.224602-1-ahalaney@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoselftests: forwarding: tc_actions: cleanup temporary files when test is aborted
Davide Caratti [Tue, 14 Feb 2023 09:52:37 +0000 (10:52 +0100)]
selftests: forwarding: tc_actions: cleanup temporary files when test is aborted

remove temporary files created by 'mirred_egress_to_ingress_tcp' test
in the cleanup() handler. Also, change variable names to avoid clashing
with globals from lib.sh.

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/091649045a017fc00095ecbb75884e5681f7025f.1676368027.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agonet: wangxun: Add the basic ethtool interfaces
Mengyuan Lou [Tue, 14 Feb 2023 09:15:27 +0000 (17:15 +0800)]
net: wangxun: Add the basic ethtool interfaces

Add the basic ethtool ops get_drvinfo and get_link for ngbe and txgbe.
Ngbe implements get_link_ksettings, nway_reset and set_link_ksettings
for free using phylib code.
The code related to the physical interface is not yet fully implemented
in txgbe using phylink code. So do not implement get_link_ksettings,
nway_reset and set_link_ksettings in txgbe.

Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230214091527.69943-1-mengyuanlou@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agonet: msg_zerocopy: elide page accounting if RLIM_INFINITY
Willem de Bruijn [Tue, 14 Feb 2023 15:57:40 +0000 (10:57 -0500)]
net: msg_zerocopy: elide page accounting if RLIM_INFINITY

MSG_ZEROCOPY ensures that pinned user pages do not exceed the limit.
If no limit is set, skip this accounting as otherwise expensive
atomic_long operations are called for no reason.

This accounting is already skipped for privileged (CAP_IPC_LOCK)
users. Rely on the same mechanism: if no mmp->user is set,
mm_unaccount_pinned_pages does not decrement either.

Tested by running tools/testing/selftests/net/msg_zerocopy.sh with
an unprivileged user for the TXMODE binary:

    ip netns exec "${NS1}" sudo -u "{$USER}" "${BIN}" "-${IP}" ...

Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230214155740.3448763-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agonet: phy: c45: genphy_c45_an_config_aneg(): fix uninitialized symbol error
Oleksij Rempel [Wed, 15 Feb 2023 05:04:53 +0000 (06:04 +0100)]
net: phy: c45: genphy_c45_an_config_aneg(): fix uninitialized symbol error

Fix warning:
drivers/net/phy/phy-c45.c:712 genphy_c45_write_eee_adv() error: uninitialized symbol 'changed'

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/202302150232.q6idsV8s-lkp@intel.com/
Fixes: 022c3f87f88e ("net: phy: add genphy_c45_ethtool_get/set_eee() support")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230215050453.2251360-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agonet: phy: motorcomm: uninitialized variables in yt8531_link_change_notify()
Dan Carpenter [Wed, 15 Feb 2023 04:21:47 +0000 (07:21 +0300)]
net: phy: motorcomm: uninitialized variables in yt8531_link_change_notify()

These booleans are never set to false, but are just used without being
initialized.

Fixes: 4ac94f728a58 ("net: phy: Add driver for Motorcomm yt8531 gigabit ethernet phy")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Frank Sae <Frank.Sae@motor-comm.com>
Link: https://lore.kernel.org/r/Y+xd2yJet2ImHLoQ@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoigb: conditionalize I2C bit banging on external thermal sensor support
Corinna Vinschen [Tue, 14 Feb 2023 18:55:48 +0000 (10:55 -0800)]
igb: conditionalize I2C bit banging on external thermal sensor support

Commit a97f8783a937 ("igb: unbreak I2C bit-banging on i350") introduced
code to change I2C settings to bit banging unconditionally.

However, this patch introduced a regression:  On an Intel S2600CWR
Server Board with three NICs:

- 1x dual-port copper
  Intel I350 Gigabit Network Connection [8086:1521] (rev 01)
  fw 1.63, 0x80000dda

- 2x quad-port SFP+ with copper SFP Avago ABCU-5700RZ
  Intel I350 Gigabit Fiber Network Connection [8086:1522] (rev 01)
  fw 1.52.0

the SFP NICs no longer get link at all.  Reverting commit a97f8783a937
or switching to the Intel out-of-tree driver both fix the problem.

Per the igb out-of-tree driver, I2C bit banging on i350 depends on
support for an external thermal sensor (ETS).  However, commit
a97f8783a937 added bit banging unconditionally.  Additionally, the
out-of-tree driver always calls init_thermal_sensor_thresh on probe,
while our driver only calls init_thermal_sensor_thresh only in
igb_reset(), and only if an ETS is present, ignoring the internal
thermal sensor.  The affected SFPs don't provide an ETS.  Per Intel,
the behaviour is a result of i350 firmware requirements.

This patch fixes the problem by aligning the behaviour to the
out-of-tree driver:

- split igb_init_i2c() into two functions:
  - igb_init_i2c() only performs the basic I2C initialization.
  - igb_set_i2c_bb() makes sure that E1000_CTRL_I2C_ENA is set
    and enables bit-banging.

- igb_probe() only calls igb_set_i2c_bb() if an ETS is present.

- igb_probe() calls init_thermal_sensor_thresh() unconditionally.

- igb_reset() aligns its behaviour to igb_probe(), i. e., call
  igb_set_i2c_bb() if an ETS is present and call
  init_thermal_sensor_thresh() unconditionally.

Fixes: a97f8783a937 ("igb: unbreak I2C bit-banging on i350")
Tested-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Co-developed-by: Jamie Bainbridge <jbainbri@redhat.com>
Signed-off-by: Jamie Bainbridge <jbainbri@redhat.com>
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20230214185549.1306522-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodrm/amd/display: Fail atomic_check early on normalize_zpos error
Leo Li [Thu, 9 Feb 2023 17:15:21 +0000 (12:15 -0500)]
drm/amd/display: Fail atomic_check early on normalize_zpos error

[Why]

drm_atomic_normalize_zpos() can return an error code when there's
modeset lock contention. This was being ignored.

[How]

Bail out of atomic check if normalize_zpos() returns an error.

Fixes: b261509952bc ("drm/amd/display: Fix double cursor on non-video RGB MPO")
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
17 months agodrm/amd/amdgpu: fix warning during suspend
Jack Xiao [Fri, 10 Feb 2023 02:31:32 +0000 (10:31 +0800)]
drm/amd/amdgpu: fix warning during suspend

Freeing memory was warned during suspend.
Move the self test out of suspend.

Link: https://bugzilla.redhat.com/show_bug.cgi?id=2151825
Cc: jfalempe@redhat.com
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-and-tested-by: Evan Quan <evan.quan@amd.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
17 months agoMerge tag 'mlx5-updates-2023-02-10' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Thu, 16 Feb 2023 03:24:52 +0000 (19:24 -0800)]
Merge tag 'mlx5-updates-2023-02-10' of git://git./linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2023-02-10

1) From Roi and Mark: MultiPort eswitch support

MultiPort E-Switch builds on newer hardware's capabilities and introduces
a mode where a single E-Switch is used and all the vports and physical
ports on the NIC are connected to it.

The new mode will allow in the future a decrease in the memory used by the
driver and advanced features that aren't possible today.

This represents a big change in the current E-Switch implantation in mlx5.
Currently, by default, each E-Switch manager manages its E-Switch.
Steering rules in each E-Switch can only forward traffic to the native
physical port associated with that E-Switch. While there are ways to target
non-native physical ports, for example using a bond or via special TC
rules. None of the ways allows a user to configure the driver
to operate by default in such a mode nor can the driver decide
to move to this mode by default as it's user configuration-driven right now.

While MultiPort E-Switch single FDB mode is the preferred mode, older
generations of ConnectX hardware couldn't support this mode so it was never
implemented. Now that there is capable hardware present, start the
transition to having this mode by default.

Introduce a devlink parameter to control MultiPort Eswitch single FDB mode.
This will allow users to select this mode on their system right now
and in the future will allow the driver to move to this mode by default.

2) From Jiri: Improvements and fixes for mlx5 netdev's devlink logic
 2.1) Cleanups related to mlx5's devlink port logic
 2.2) Move devlink port registration to be done before netdev alloc
 2.3) Create auxdev devlink instance in the same ns as parent devlink
 2.4) Suspend auxiliary devices only in case of PCI device suspend

* tag 'mlx5-updates-2023-02-10' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
  net/mlx5: Suspend auxiliary devices only in case of PCI device suspend
  net/mlx5: Remove "recovery" arg from mlx5_load_one() function
  net/mlx5e: Create auxdev devlink instance in the same ns as parent devlink
  net/mlx5e: Move devlink port registration to be done before netdev alloc
  net/mlx5e: Move dl_port to struct mlx5e_dev
  net/mlx5e: Replace usage of mlx5e_devlink_get_dl_port() by netdev->devlink_port
  net/mlx5e: Pass mdev to mlx5e_devlink_port_register()
  net/mlx5: Remove outdated comment
  net/mlx5e: TC, Remove redundant parse_attr argument
  net/mlx5e: Use a simpler comparison for uplink rep
  net/mlx5: Lag, Add single RDMA device in multiport mode
  net/mlx5: Lag, set different uplink vport metadata in multiport eswitch mode
  net/mlx5: E-Switch, rename bond update function to be reused
  net/mlx5e: TC, Add peer flow in mpesw mode
  net/mlx5: Lag, Control MultiPort E-Switch single FDB mode
====================

Link: https://lore.kernel.org/r/20230214221239.159033-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoMerge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Jakub Kicinski [Thu, 16 Feb 2023 03:20:58 +0000 (19:20 -0800)]
Merge branch '10GbE' of git://git./linux/kernel/git/tnguy/net-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-02-14 (ixgbe, i40e)

This series contains updates to ixgbe and i40e drivers.

Jason Xing corrects comparison of frame sizes for setting MTU with XDP on
ixgbe and adjusts frame size to account for a second VLAN header on ixgbe
and i40e.

* '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  ixgbe: add double of VLAN header when computing the max MTU
  i40e: add double of VLAN header when computing the max MTU
  ixgbe: allow to increase MTU to 3K with XDP enabled
====================

Link: https://lore.kernel.org/r/20230214185146.1305819-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoMerge branch 'devlink-cleanups-and-move-devlink-health-functionality-to-separate...
Jakub Kicinski [Thu, 16 Feb 2023 03:15:45 +0000 (19:15 -0800)]
Merge branch 'devlink-cleanups-and-move-devlink-health-functionality-to-separate-file'

Moshe Shemesh says:

====================
devlink: cleanups and move devlink health functionality to separate file

This patchset moves devlink health callbacks, helpers and related code
from leftover.c to new file health.c. About 1.3K LoC are moved by this
patchset, covering all devlink health functionality.

In addition this patchset includes a couple of small cleanups in devlink
health code and documentation update.
====================

Link: https://lore.kernel.org/r/1676392686-405892-1-git-send-email-moshe@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Fix TP_STRUCT_entry in trace of devlink health report
Moshe Shemesh [Tue, 14 Feb 2023 16:38:06 +0000 (18:38 +0200)]
devlink: Fix TP_STRUCT_entry in trace of devlink health report

Fix a bug in trace point definition for devlink health report, as
TP_STRUCT_entry of reporter_name should get reporter_name and not msg.

Note no fixes tag as this is a harmless bug as both reporter_name and
msg are strings and TP_fast_assign for this entry is correct.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Update devlink health documentation
Moshe Shemesh [Tue, 14 Feb 2023 16:38:05 +0000 (18:38 +0200)]
devlink: Update devlink health documentation

Update devlink-health.rst file:
- Add devlink formatted message (fmsg) API documentation.
- Add auto-dump as a condition to do dump once error reported.
- Expand OOB to clarify this acronym.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move health common function to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:38:04 +0000 (18:38 +0200)]
devlink: Move health common function to health file

Now that all devlink health callbacks and related code are in file
health.c move common health functions and devlink_health_reporter struct
to be local in health.c file.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move devlink health test to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:38:03 +0000 (18:38 +0200)]
devlink: Move devlink health test to health file

Move devlink health report test callback from leftover.c to health.c. No
functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move devlink health dump to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:38:02 +0000 (18:38 +0200)]
devlink: Move devlink health dump to health file

Move devlink health report dump callbacks and related code from
leftover.c to health.c. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move devlink fmsg and health diagnose to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:38:01 +0000 (18:38 +0200)]
devlink: Move devlink fmsg and health diagnose to health file

Devlink fmsg (formatted message) is used by devlink health diagnose,
dump and drivers which support these devlink health callbacks.
Therefore, move devlink fmsg helpers and related code to file health.c.
Move devlink health diagnose to file health.c. No functional change in
this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move devlink health report and recover to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:38:00 +0000 (18:38 +0200)]
devlink: Move devlink health report and recover to health file

Move devlink health report helper and recover callback and related code
from leftover.c to health.c. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Move devlink health get and set code to health file
Moshe Shemesh [Tue, 14 Feb 2023 16:37:59 +0000 (18:37 +0200)]
devlink: Move devlink health get and set code to health file

Move devlink health get and set callbacks and related code from
leftover.c to health.c. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: health: Fix nla_nest_end in error flow
Moshe Shemesh [Tue, 14 Feb 2023 16:37:58 +0000 (18:37 +0200)]
devlink: health: Fix nla_nest_end in error flow

devlink_nl_health_reporter_fill() error flow calls nla_nest_end(). Fix
it to call nla_nest_cancel() instead.

Note the bug is harmless as genlmsg_cancel() cancel the entire message,
so no fixes tag added.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agodevlink: Split out health reporter create code
Moshe Shemesh [Tue, 14 Feb 2023 16:37:57 +0000 (18:37 +0200)]
devlink: Split out health reporter create code

Move devlink health reporter create/destroy and related dev code to new
file health.c. This file shall include all callbacks and functionality
that are related to devlink health.

In addition, fix kdoc indentation and make reporter create/destroy kdoc
more clear. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoice: update xdp_features with xdp multi-buff
Lorenzo Bianconi [Tue, 14 Feb 2023 14:39:27 +0000 (15:39 +0100)]
ice: update xdp_features with xdp multi-buff

Now ice driver supports xdp multi-buffer so add it to xdp_features.
Check vsi type before setting xdp_features flag.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/8a4781511ab6e3cd280e944eef69158954f1a15f.1676385351.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoi40e: check vsi type before setting xdp_features flag
Lorenzo Bianconi [Tue, 14 Feb 2023 20:07:33 +0000 (21:07 +0100)]
i40e: check vsi type before setting xdp_features flag

Set xdp_features flag just for I40E_VSI_MAIN vsi type since XDP is
supported just in this configuration.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/f2b537f86b34fc176fbc6b3d249b46a20a87a2f3.1676405131.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
17 months agoMerge tag 'apparmor-v6.2-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/jj...
Linus Torvalds [Wed, 15 Feb 2023 22:53:08 +0000 (14:53 -0800)]
Merge tag 'apparmor-v6.2-rc9' of git://git./linux/kernel/git/jj/linux-apparmor

Pull apparmor fix from John Johansen:
 "Regression fix for getattr mediation of old policy"

* tag 'apparmor-v6.2-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
  apparmor: Fix regression in compat permissions for getattr

17 months agoMerge tag 'nvme-6.2-2023-02-15' of git://git.infradead.org/nvme into block-6.2
Jens Axboe [Wed, 15 Feb 2023 20:47:27 +0000 (13:47 -0700)]
Merge tag 'nvme-6.2-2023-02-15' of git://git.infradead.org/nvme into block-6.2

Pull NVMe fixes from Christoph:

"nvme fixes for Linux 6.2

 - always return an ERR_PTR from nvme_pci_alloc_dev (Irvin Cote)
 - add bogus ID quirk for ADATA SX6000PNP (Daniel Wagner)
 - set the DMA mask earlier (Christoph Hellwig)"

* tag 'nvme-6.2-2023-02-15' of git://git.infradead.org/nvme:
  nvme-pci: always return an ERR_PTR from nvme_pci_alloc_dev
  nvme-pci: set the DMA mask earlier
  nvme-pci: add bogus ID quirk for ADATA SX6000PNP

17 months agoMerge tag 'nfsd-6.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Linus Torvalds [Wed, 15 Feb 2023 19:48:56 +0000 (11:48 -0800)]
Merge tag 'nfsd-6.2-6' of git://git./linux/kernel/git/cel/linux

Pull nfsd fix from Chuck Lever:

 - Fix a teardown bug in the new nfs4_file hashtable

* tag 'nfsd-6.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  nfsd: don't destroy global nfs4_file table in per-net shutdown

17 months agoMerge tag 'trace-v6.2-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
Linus Torvalds [Wed, 15 Feb 2023 19:31:34 +0000 (11:31 -0800)]
Merge tag 'trace-v6.2-rc7-2' of git://git./linux/kernel/git/trace/linux-trace

Pull tracing fixlet from Steven Rostedt:
 "Make trace_define_field_ext() static.

  Just after the fix to TASK_COMM_LEN not converted to its value in
  trace_events was pulled, the kernel test robot reported that the
  helper function trace_define_field_ext() added to that change was only
  used in the file it was defined in but was not declared static.

  Make it a local function"

* tag 'trace-v6.2-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Make trace_define_field_ext() static

17 months agoapparmor: Fix regression in compat permissions for getattr
John Johansen [Wed, 15 Feb 2023 04:21:17 +0000 (20:21 -0800)]
apparmor: Fix regression in compat permissions for getattr

This fixes a regression in mediation of getattr when old policy built
under an older ABI is loaded and mapped to internal permissions.

The regression does not occur for all getattr permission requests,
only appearing if state zero is the final state in the permission
lookup.  This is because despite the first state (index 0) being
guaranteed to not have permissions in both newer and older permission
formats, it may have to carry permissions that were not mediated as
part of an older policy. These backward compat permissions are
mapped here to avoid special casing the mediation code paths.

Since the mapping code already takes into account backwards compat
permission from older formats it can be applied to state 0 to fix
the regression.

Fixes: 408d53e923bd ("apparmor: compute file permissions on profile load")
Reported-by: Philip Meulengracht <the_meulengracht@hotmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
17 months agowifi: mac80211: add documentation for amsdu_mesh_control
Johannes Berg [Wed, 15 Feb 2023 17:30:26 +0000 (18:30 +0100)]
wifi: mac80211: add documentation for amsdu_mesh_control

This documentation wasn't added in the original patch,
add it now.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 6e4c0d0460bd ("wifi: mac80211: add a workaround for receiving non-standard mesh A-MSDU")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agowifi: cfg80211: remove gfp parameter from cfg80211_obss_color_collision_notify descri...
Lorenzo Bianconi [Wed, 15 Feb 2023 09:32:07 +0000 (10:32 +0100)]
wifi: cfg80211: remove gfp parameter from cfg80211_obss_color_collision_notify description

Get rid of gfp parameter from cfg80211_obss_color_collision_notify
routine description.

Fixes: 935ef47b16cc ("wifi: cfg80211: get rid of gfp in cfg80211_bss_color_notify")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/2da652e2cd5c7903191091ae9757718f1be802a1.1676453359.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agowifi: mac80211: always initialize link_sta with sta
Johannes Berg [Wed, 15 Feb 2023 09:40:41 +0000 (10:40 +0100)]
wifi: mac80211: always initialize link_sta with sta

When we have multiple interfaces receiving the same frame,
such as a multicast frame, one interface might have a sta
and the other not. In this case, link_sta would be set but
not cleared again.

Always set link_sta, so we keep an invariant that link_sta
and sta are either both set or both not set.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agowifi: mac80211: pass 'sta' to ieee80211_rx_data_set_sta()
Johannes Berg [Wed, 15 Feb 2023 09:07:05 +0000 (10:07 +0100)]
wifi: mac80211: pass 'sta' to ieee80211_rx_data_set_sta()

There's at least one case in ieee80211_rx_for_interface()
where we might pass &((struct sta_info *)NULL)->sta to it
only to then do container_of(), and then checking the
result for NULL, but checking the result of container_of()
for NULL looks really odd.

Fix this by just passing the struct sta_info * instead.

Fixes: e66b7920aa5a ("wifi: mac80211: fix initialization of rx->link and rx->link_sta")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agowifi: cfg80211: Set SSID if it is not already set
Marc Bornand [Wed, 15 Feb 2023 08:47:53 +0000 (08:47 +0000)]
wifi: cfg80211: Set SSID if it is not already set

When a connection was established without going through
NL80211_CMD_CONNECT, the ssid was never set in the wireless_dev struct.
Now we set it in __cfg80211_connect_result() when it is not already set.

When using a userspace configuration that does not call
cfg80211_connect() (can be checked with breakpoints in the kernel),
this patch should allow `networkctl status device_name` to output the
SSID instead of null.

Cc: stable@vger.kernel.org
Reported-by: Yohan Prod'homme <kernel@zoddo.fr>
Fixes: 7b0a0e3c3a88 (wifi: cfg80211: do some rework towards MLO link APIs)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216711
Signed-off-by: Marc Bornand <dev.mbornand@systemb.ch>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
17 months agogpio: mlxbf2: select GPIOLIB_IRQCHIP
Linus Walleij [Wed, 15 Feb 2023 14:52:06 +0000 (15:52 +0100)]
gpio: mlxbf2: select GPIOLIB_IRQCHIP

This driver uncondictionally uses the GPIOLIB_IRQCHIP so
select it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
17 months agogpiolib: acpi: Add a ignore wakeup quirk for Clevo NH5xAx
Werner Sembach [Wed, 15 Feb 2023 14:39:41 +0000 (15:39 +0100)]
gpiolib: acpi: Add a ignore wakeup quirk for Clevo NH5xAx

The commit 1796f808e4bb ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
changed the policy such that I2C touchpads may be able to wake up the
system by default if the system is configured as such.

However for some devices there is a bug, that is causing the touchpad to
instantly wake up the device again once it gets deactivated. The root cause
is still under investigation (see Link tag).

To workaround this problem for the time being, introduce a quirk for this
model that will prevent the wakeup capability for being set for GPIO 16.

Fixes: 1796f808e4bb ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
Link: https://lore.kernel.org/linux-acpi/20230210164636.628462-1-wse@tuxedocomputers.com/
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org> # v6.1+
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>