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2 years agomlxsw: core_linecards: Expose device PSID over device info
Jiri Pirko [Mon, 25 Jul 2022 08:29:22 +0000 (10:29 +0200)]
mlxsw: core_linecards: Expose device PSID over device info

Use tunneled MGIR to obtain PSID of line card device and extend
device_info_get() op to fill up the info with that.

Example:

$ devlink dev info auxiliary/mlxsw_core.lc.0
auxiliary/mlxsw_core.lc.0:
  versions:
      fixed:
        hw.revision 0
        fw.psid MT_0000000749
      running:
        ini.version 4
        fw 19.2010.1312

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: reg: Add Management DownStream Device Tunneling Register
Jiri Pirko [Mon, 25 Jul 2022 08:29:21 +0000 (10:29 +0200)]
mlxsw: reg: Add Management DownStream Device Tunneling Register

The MDDT register allows to deliver query and request messages (PRM
registers, commands) to a DownStream device.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: core_linecards: Probe active line cards for devices and expose FW version
Jiri Pirko [Mon, 25 Jul 2022 08:29:20 +0000 (10:29 +0200)]
mlxsw: core_linecards: Probe active line cards for devices and expose FW version

In case the line card is active, go over all possible existing
devices (gearboxes) on it and expose FW version of the flashable one.

Example:

$ devlink dev info auxiliary/mlxsw_core.lc.0
auxiliary/mlxsw_core.lc.0:
  versions:
      fixed:
        hw.revision 0
      running:
        ini.version 4
        fw 19.2010.1312

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: reg: Extend MDDQ by device_info
Jiri Pirko [Mon, 25 Jul 2022 08:29:19 +0000 (10:29 +0200)]
mlxsw: reg: Extend MDDQ by device_info

Extend existing MDDQ register by possibility to query information about
devices residing on a line card.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: core_linecards: Expose HW revision and INI version
Jiri Pirko [Mon, 25 Jul 2022 08:29:18 +0000 (10:29 +0200)]
mlxsw: core_linecards: Expose HW revision and INI version

Implement info_get() to expose HW revision of a linecard and loaded INI
version.

Example:

$ devlink dev info auxiliary/mlxsw_core.lc.0
auxiliary/mlxsw_core.lc.0:
  versions:
      fixed:
        hw.revision 0
      running:
        ini.version 4

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: core_linecards: Introduce per line card auxiliary device
Jiri Pirko [Mon, 25 Jul 2022 08:29:17 +0000 (10:29 +0200)]
mlxsw: core_linecards: Introduce per line card auxiliary device

In order to be eventually able to expose line card gearbox version and
possibility to flash FW, model the line card as a separate device on
auxiliary bus.

Add the auxiliary device for provisioned line card in order to be able
to expose provisioned line card info over devlink dev info. When the
line card becomes active, there may be other additional info added to
the output.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: devlink: introduce nested devlink entity for line card
Jiri Pirko [Mon, 25 Jul 2022 08:29:16 +0000 (10:29 +0200)]
net: devlink: introduce nested devlink entity for line card

For the purpose of exposing device info and allow flash update which is
going to be implemented in follow-up patches, introduce a possibility
for a line card to expose relation to nested devlink entity. The nested
devlink entity represents the line card.

Example:

$ devlink lc show pci/0000:01:00.0 lc 1
pci/0000:01:00.0:
  lc 1 state active type 16x100G nested_devlink auxiliary/mlxsw_core.lc.0
    supported_types:
       16x100G
$ devlink dev show auxiliary/mlxsw_core.lc.0
auxiliary/mlxsw_core.lc.0

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: devlink: move net check into devlinks_xa_for_each_registered_get()
Jiri Pirko [Mon, 25 Jul 2022 08:29:15 +0000 (10:29 +0200)]
net: devlink: move net check into devlinks_xa_for_each_registered_get()

Benefit from having devlinks iterator helper
devlinks_xa_for_each_registered_get() and move the net pointer
check inside.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: devlink: make sure that devlink_try_get() works with valid pointer during xarray...
Jiri Pirko [Mon, 25 Jul 2022 08:29:14 +0000 (10:29 +0200)]
net: devlink: make sure that devlink_try_get() works with valid pointer during xarray iteration

Remove dependency on devlink_mutex during devlinks xarray iteration.

The reason is that devlink_register/unregister() functions taking
devlink_mutex would deadlock during devlink reload operation of devlink
instance which registers/unregisters nested devlink instances.

The devlinks xarray consistency is ensured internally by xarray.
There is a reference taken when working with devlink using
devlink_try_get(). But there is no guarantee that devlink pointer
picked during xarray iteration is not freed before devlink_try_get()
is called.

Make sure that devlink_try_get() works with valid pointer.
Achieve it by:
1) Splitting devlink_put() so the completion is sent only
   after grace period. Completion unblocks the devlink_unregister()
   routine, which is followed-up by devlink_free()
2) During devlinks xa_array iteration, get devlink pointer from xa_array
   holding RCU read lock and taking reference using devlink_try_get()
   before unlock.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge branch 'octeontx2-minor-tc-fixes'
Paolo Abeni [Tue, 26 Jul 2022 10:51:54 +0000 (12:51 +0200)]
Merge branch 'octeontx2-minor-tc-fixes'

Subbaraya Sundeep says:

====================
Octeontx2 minor tc fixes

This patch set fixes two problems found in tc code
wrt to ratelimiting and when installing UDP/TCP filters.

Patch 1: CN10K has different register format compared to
CN9xx hence fixes that.
Patch 2: Check flow mask also before installing a src/dst
port filter, otherwise installing for one port installs for other one too.
====================

Link: https://lore.kernel.org/r/1658650874-16459-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2 years agoocteontx2-pf: Fix UDP/TCP src and dst port tc filters
Subbaraya Sundeep [Sun, 24 Jul 2022 08:21:14 +0000 (13:51 +0530)]
octeontx2-pf: Fix UDP/TCP src and dst port tc filters

Check the mask for non-zero value before installing tc filters
for L4 source and destination ports. Otherwise installing a
filter for source port installs destination port too and
vice-versa.

Fixes: 1d4d9e42c240 ("octeontx2-pf: Add tc flower hardware offload on ingress traffic")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2 years agoocteontx2-pf: cn10k: Fix egress ratelimit configuration
Sunil Goutham [Sun, 24 Jul 2022 08:21:13 +0000 (13:51 +0530)]
octeontx2-pf: cn10k: Fix egress ratelimit configuration

NIX_AF_TLXX_PIR/CIR register format has changed from OcteonTx2
to CN10K. CN10K supports larger burst size. Fix burst exponent
and burst mantissa configuration for CN10K.

Also fixed 'maxrate' from u32 to u64 since 'police.rate_bytes_ps'
passed by stack is also u64.

Fixes: e638a83f167e ("octeontx2-pf: TC_MATCHALL egress ratelimiting offload")
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2 years agosfc/siena: fix repeated words in comments
wangjianli [Sun, 24 Jul 2022 07:52:07 +0000 (15:52 +0800)]
sfc/siena: fix repeated words in comments

Delete the redundant word 'in'.

Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Link: https://lore.kernel.org/r/20220724075207.21080-1-wangjianli@cdjrlc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2 years agosfc/falcon: fix repeated words in comments
wangjianli [Sun, 24 Jul 2022 07:47:46 +0000 (15:47 +0800)]
sfc/falcon: fix repeated words in comments

Delete the redundant word 'in'.

Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Link: https://lore.kernel.org/r/20220724074746.19550-1-wangjianli@cdjrlc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2 years agoMerge branch 'add-mtu-change-with-stmmac-interface-running'
Jakub Kicinski [Tue, 26 Jul 2022 02:39:35 +0000 (19:39 -0700)]
Merge branch 'add-mtu-change-with-stmmac-interface-running'

Christian Marangi says:

====================
Add MTU change with stmmac interface running

This series is to permit MTU change while the interface is running.
Major rework are needed to permit to allocate a new dma conf based on
the new MTU before applying it. This is to make sure there is enough
space to allocate all the DMA queue before releasing the stmmac driver.

This was tested with a simple way to stress the network while the
interface is running.

2 ssh connection to the device:
- One generating simple traffic with while true; do free; done
- The other making the mtu change with a delay of 1 second

The connection is correctly stopped and recovered after the MTU is changed.

The first 2 patch of this series are minor fixup that fix problems
presented while testing this. One fix a problem when we renable a queue
while we are generating a new dma conf. The other is a corner case that
was notice while stressing the driver and turning down the interface while
there was some traffic.

(this is a follow-up of a simpler patch that wanted to add the same
feature. It was suggested to first try to check if it was possible to
apply the new configuration. Posting as RFC as it does major rework for
the new concept of DMA conf)
====================

Link: https://lore.kernel.org/r/20220723142933.16030-1-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: ethernet: stmicro: stmmac: permit MTU change with interface up
Christian Marangi [Sat, 23 Jul 2022 14:29:33 +0000 (16:29 +0200)]
net: ethernet: stmicro: stmmac: permit MTU change with interface up

Remove the limitation where the interface needs to be down to change
MTU by releasing and opening the stmmac driver to set the new MTU.
Also call the set_filter function to correctly init the port.
This permits to remove the EBUSY error while the ethernet port is
running permitting a correct MTU change if for example a DSA request
a MTU change for a switch CPU port.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: ethernet: stmicro: stmmac: generate stmmac dma conf before open
Christian Marangi [Sat, 23 Jul 2022 14:29:32 +0000 (16:29 +0200)]
net: ethernet: stmicro: stmmac: generate stmmac dma conf before open

Rework the driver to generate the stmmac dma_conf before stmmac_open.
This permits a function to first check if it's possible to allocate a
new dma_config and then pass it directly to __stmmac_open and "open" the
interface with the new configuration.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: ethernet: stmicro: stmmac: move dma conf to dedicated struct
Christian Marangi [Sat, 23 Jul 2022 14:29:31 +0000 (16:29 +0200)]
net: ethernet: stmicro: stmmac: move dma conf to dedicated struct

Move dma buf conf to dedicated struct. This in preparation for code
rework that will permit to allocate separate dma_conf without affecting
the priv struct.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: ethernet: stmicro: stmmac: first disable all queues and disconnect in release
Christian Marangi [Sat, 23 Jul 2022 14:29:30 +0000 (16:29 +0200)]
net: ethernet: stmicro: stmmac: first disable all queues and disconnect in release

Disable all queues and disconnect before tx_disable in stmmac_release to
prevent a corner case where packet may be still queued at the same time
tx_disable is called resulting in kernel panic if some packet still has
to be processed.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: ethernet: stmicro: stmmac: move queue reset to dedicated functions
Christian Marangi [Sat, 23 Jul 2022 14:29:29 +0000 (16:29 +0200)]
net: ethernet: stmicro: stmmac: move queue reset to dedicated functions

Move queue reset to dedicated functions. This aside from a simple
cleanup is also required to allocate a dma conf without resetting the tx
queue while the device is temporarily detached as now the reset is not
part of the dma init function and can be done later in the code flow.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: delete extra space and tab in blank line
William Dean [Sat, 23 Jul 2022 07:32:22 +0000 (15:32 +0800)]
net: delete extra space and tab in blank line

delete extra space and tab in blank line, there is no functional change.

Reported-by: Hacash Robot <hacashRobot@santino.com>
Signed-off-by: William Dean <williamsukatube@gmail.com>
Link: https://lore.kernel.org/r/20220723073222.2961602-1-williamsukatube@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Tue, 26 Jul 2022 01:20:51 +0000 (18:20 -0700)]
Merge tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v5.20

Third set of patches for v5.20. MLO work continues and we have a lot
of stack changes due to that, including driver API changes. Not much
driver patches except on mt76.

Major changes:

cfg80211/mac80211
 - more prepartion for Wi-Fi 7 Multi-Link Operation (MLO) support,
   works with one link now
 - align with IEEE Draft P802.11be_D2.0
 - hardware timestamps for receive and transmit

mt76
 - preparation for new chipset support
 - ACPI SAR support

* tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (254 commits)
  wifi: mac80211: fix link data leak
  wifi: mac80211: mlme: fix disassoc with MLO
  wifi: mac80211: add macros to loop over active links
  wifi: mac80211: remove erroneous sband/link validation
  wifi: mac80211: mlme: transmit assoc frame with address translation
  wifi: mac80211: verify link addresses are different
  wifi: mac80211: rx: track link in RX data
  wifi: mac80211: optionally implement MLO multicast TX
  wifi: mac80211: expand ieee80211_mgmt_tx() for MLO
  wifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX API
  wifi: mac80211: report link ID to cfg80211 on mgmt RX
  wifi: cfg80211: report link ID in NL80211_CMD_FRAME
  wifi: mac80211: add hardware timestamps for RX and TX
  wifi: cfg80211: add hardware timestamps to frame RX info
  wifi: cfg80211/nl80211: move rx management data into a struct
  wifi: cfg80211: add a function for reporting TX status with hardware timestamps
  wifi: nl80211: add RX and TX timestamp attributes
  wifi: ieee80211: add helper functions for detecting TM/FTM frames
  wifi: mac80211_hwsim: handle links for wmediumd/virtio
  wifi: mac80211: sta_info: fix link_sta insertion
  ...
====================

Link: https://lore.kernel.org/r/20220725174547.EA465C341C6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agodt-bindings: net: fsl,fec: Add nvmem-cells / nvmem-cell-names properties
Alexander Stein [Wed, 20 Jul 2022 06:39:24 +0000 (08:39 +0200)]
dt-bindings: net: fsl,fec: Add nvmem-cells / nvmem-cell-names properties

These properties are inherited from ethernet-controller.yaml.
This fixes the dt_binding_check warning:
imx8mm-tqma8mqml-mba8mx.dt.yaml: ethernet@30be0000: 'nvmem-cell-names',
'nvmem-cells' do not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220720063924.1412799-1-alexander.stein@ew.tq-group.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
Kalle Valo [Mon, 25 Jul 2022 16:50:38 +0000 (19:50 +0300)]
Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git

ath.git patches for v5.20. One fix and rest minor cleanup.

2 years agoMerge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next...
David S. Miller [Mon, 25 Jul 2022 13:09:52 +0000 (14:09 +0100)]
Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
40GbE Intel Wired LAN Driver Updates 2022-07-22

This series contains updates to i40e and iavf drivers.

Przemyslaw adds a helper function for determining whether TC MQPRIO is
enabled for i40e.

Avinash utilizes the driver's bookkeeping of filters to check for
duplicate filter before sending the request to the PF for iavf.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk-ppe: fix traffic offload with bridged wlan
Lorenzo Bianconi [Fri, 22 Jul 2022 07:06:19 +0000 (09:06 +0200)]
net: ethernet: mtk-ppe: fix traffic offload with bridged wlan

A typical flow offload scenario for OpenWrt users is routed traffic
received by the wan interface that is redirected to a wlan device
belonging to the lan bridge. Current implementation fails to
fill wdma offload info in mtk_flow_get_wdma_info() since odev device is
the local bridge. Fix the issue running dev_fill_forward_path routine in
mtk_flow_get_wdma_info in order to identify the wlan device.

Tested-by: Paolo Valerio <pvalerio@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agoMerge branch 'mlxsw-Spectrum-2-PTP-preparations'
David S. Miller [Mon, 25 Jul 2022 12:58:56 +0000 (13:58 +0100)]
Merge branch 'mlxsw-Spectrum-2-PTP-preparations'

Ido Schimmel says:

====================
mlxsw: Spectrum-2 PTP preparations

This patchset includes various preparations required for Spectrum-2 PTP
support.

Most of the changes are non-functional (e.g., renaming, adding
registers). The only intentional user visible change is in patch #10
where the PHC time is initialized to zero in accordance with the
recommendation of the PTP maintainer.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum_ptp: Rename mlxsw_sp1_ptp_phc_adjfreq()
Amit Cohen [Sun, 24 Jul 2022 08:03:29 +0000 (11:03 +0300)]
mlxsw: spectrum_ptp: Rename mlxsw_sp1_ptp_phc_adjfreq()

The function mlxsw_sp_ptp_phc_adjfreq() configures MTUTC register to adjust
hardware frequency by a given value.

This configuration will be same for Spectrum-2. In preparation for
Spectrum-2 PTP support, rename the function to not be Spectrum-1 specific.
Later, it will be used for Spectrum-2 also.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum_ptp: Rename mlxsw_sp_ptp_get_message_types()
Amit Cohen [Sun, 24 Jul 2022 08:03:28 +0000 (11:03 +0300)]
mlxsw: spectrum_ptp: Rename mlxsw_sp_ptp_get_message_types()

Spectrum-1 and Spectrum-2 differ in their time stamping capabilities.
The former can be configured to time stamp only a subset of received PTP
events (e.g., only Sync), whereas the latter will time stamp all PTP
events or none.

In preparation for Spectrum-2 PTP support, rename the function that
parses the hardware time stamping configuration upon %SIOCSHWTSTAMP to
be Spectrum-1 specific.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum_ptp: Use 'struct mlxsw_sp_ptp_clock' per ASIC
Amit Cohen [Sun, 24 Jul 2022 08:03:27 +0000 (11:03 +0300)]
mlxsw: spectrum_ptp: Use 'struct mlxsw_sp_ptp_clock' per ASIC

Currently, there is one shared structure that holds the required
structures for PTP clock. Most of the existing fields are relevant only
for Spectrum-1 (cycles, timecounter, and more). Rename the structure to
be specific for Spectrum-1 and align the existing code. Add a common
structure which includes the structures which will be used also for
Spectrum-2. This structure will be returned from clock_init() operation,
as the definition is shared between all ASICs' operations.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum_ptp: Use 'struct mlxsw_sp_ptp_state' per ASIC
Amit Cohen [Sun, 24 Jul 2022 08:03:26 +0000 (11:03 +0300)]
mlxsw: spectrum_ptp: Use 'struct mlxsw_sp_ptp_state' per ASIC

Currently, there is one shared structure that holds the required
structures and details for PTP. Most of the existing fields are relevant
only for Spectrum-1 (hash table, lock for hash table, delayed work, and
more). Rename the structure to be specific for Spectrum-1 and align the
existing code. Add a common structure which includes
'struct mlxsw_sp *mlxsw_sp' and will be returned from ptp_init()
operation, as the definition is shared between all ASICs' operations.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: pci: Simplify FRC clock reading
Amit Cohen [Sun, 24 Jul 2022 08:03:25 +0000 (11:03 +0300)]
mlxsw: pci: Simplify FRC clock reading

Currently, the reading of FRC values (high and low) is done using macro
which calls to a function. In addition, to calculate the offset of FRC,
a simple macro is used. This code can be simplified by adding an helper
function and calculating the offset explicitly instead of using an
additional macro for that.

Add the helper function and convert the existing code. This helper will be
used later to read UTC clock.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum_ptp: Initialize the clock to zero as part of initialization
Amit Cohen [Sun, 24 Jul 2022 08:03:24 +0000 (11:03 +0300)]
mlxsw: spectrum_ptp: Initialize the clock to zero as part of initialization

As lately recommended in the mailing list[1], set the clock to zero time as
part of initialization.

The idea is that when the clock reads 'Jan 1, 1970', then it is clearly
wrong and user will not mistakenly think that the clock is set correctly.
If as part of initialization, the driver sets the clock, user might see
correct date and time (maybe with a small shift) and assume that there
is no need to sync the clock.

Fix the existing code of Spectrum-1 to set the 'timecounter' to zero.

[1]:
https://lore.kernel.org/netdev/20220201191041.GB7009@hoboy.vegasvil.org/

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: Rename 'read_frc_capable' bit to 'read_clock_capable'
Danielle Ratson [Sun, 24 Jul 2022 08:03:23 +0000 (11:03 +0300)]
mlxsw: Rename 'read_frc_capable' bit to 'read_clock_capable'

Rename the 'read_frc_capable' bit to 'read_clock_capable' since now it can
be both the FRC and UTC clocks.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: resources: Add resource identifier for maximum number of FIDs
Amit Cohen [Sun, 24 Jul 2022 08:03:22 +0000 (11:03 +0300)]
mlxsw: resources: Add resource identifier for maximum number of FIDs

Add a resource identifier for maximum number of FIDs so that it could be
later used to query the information from firmware.

In Spectrum-2 and Spectrum-3, the correction field of PTP packets which are
sent as control packets is not updated at egress port. To overcome this
limitation, some packets will be sent as data packets. The header should
include FID, which is supposed to be 'Max FID + port - 1'. As preparation,
add the required resource, to be able to query the value from firmware
later.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: spectrum: Fix the shift of FID field in TX header
Danielle Ratson [Sun, 24 Jul 2022 08:03:21 +0000 (11:03 +0300)]
mlxsw: spectrum: Fix the shift of FID field in TX header

Currently, the field FID in TX header is defined, but is not used as it is
relevant only for data packets. mlxsw driver currently sends all
host-generated traffic as control packets and not as data packets.

In Spectrum-2 and Spectrum-3, the correction field of PTP packets which
are sent as control packets is not updated at egress port. To overcome this
limitation while adding support for PTP, some packets will be sent as data
packets.

Fix the wrong shift in the definition, to allow using the field later.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: Set time stamp type as part of config profile
Danielle Ratson [Sun, 24 Jul 2022 08:03:20 +0000 (11:03 +0300)]
mlxsw: Set time stamp type as part of config profile

The type of time stamp field in the CQE is configured via the
CONFIG_PROFILE command during driver initialization. Add the definition
of the relevant fields to the command's payload and set the type to UTC
for Spectrum-2 and above. This configuration can be done as part of the
preparations to PTP support, as the type of the time stamp will not break
any existing behavior.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: cmd: Add UTC related fields to query firmware command
Danielle Ratson [Sun, 24 Jul 2022 08:03:19 +0000 (11:03 +0300)]
mlxsw: cmd: Add UTC related fields to query firmware command

Add UTC sec and nsec PCI BAR and offset to query firmware command for a
future use.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: pci_hw: Add 'time_stamp' and 'time_stamp_type' fields to CQEv2
Danielle Ratson [Sun, 24 Jul 2022 08:03:18 +0000 (11:03 +0300)]
mlxsw: pci_hw: Add 'time_stamp' and 'time_stamp_type' fields to CQEv2

The Completion Queue Element version 2 (CQEv2) includes various metadata
fields of packets.

Add 'time_stamp' and 'time_stamp_type' fields along with functions to
extract the seconds and nanoseconds for a future use.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: reg: Add Monitoring Time Precision Correction Port Configuration Register
Danielle Ratson [Sun, 24 Jul 2022 08:03:17 +0000 (11:03 +0300)]
mlxsw: reg: Add Monitoring Time Precision Correction Port Configuration Register

In Spectrum-2, all the packets are time stamped, the MTPCPC register is
used to configure the types of packets that will adjust the correction
field and which port will trap PTP packets.

If ingress correction is set on a port for a given packet type, then
when such a packet is received via the port, the current time stamp is
subtracted from the correction field.

If egress correction is set on a port for a given packet type, then when
such a packet is transmitted via the port, the current time stamp is
added to the correction field.

Assuming the systems is configured correctly, the above means that the
correction field will contain the transient delay between the ports.

Add this register for a future use in order to support PTP in Spectrum-2.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: reg: Add MTUTC register's fields for supporting PTP in Spectrum-2
Danielle Ratson [Sun, 24 Jul 2022 08:03:16 +0000 (11:03 +0300)]
mlxsw: reg: Add MTUTC register's fields for supporting PTP in Spectrum-2

The MTUTC register configures the HW UTC counter.

Add the relevant fields and operations to support PTP in Spectrum-2 and
update mlxsw_reg_mtutc_pack() with the new fields for a future use.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agomlxsw: Rename mlxsw_reg_mtptptp_pack() to mlxsw_reg_mtptpt_pack()
Danielle Ratson [Sun, 24 Jul 2022 08:03:15 +0000 (11:03 +0300)]
mlxsw: Rename mlxsw_reg_mtptptp_pack() to mlxsw_reg_mtptpt_pack()

The right name of the register is MTPTPT, which refers to Monitoring
Precision Time Protocol Trap Register.

Therefore, rename the function mlxsw_reg_mtptptp_pack() to
mlxsw_reg_mtptpt_pack().

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec...
David S. Miller [Mon, 25 Jul 2022 12:25:39 +0000 (13:25 +0100)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next

Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2022-07-20

1) Don't set DST_NOPOLICY in IPv4, a recent patch made this
   superfluous. From Eyal Birger.

2) Convert alg_key to flexible array member to avoid an iproute2
   compile warning when built with gcc-12.
   From Stephen Hemminger.

3) xfrm_register_km and xfrm_unregister_km do always return 0
   so change the type to void. From Zhengchao Shao.

4) Fix spelling mistake in esp6.c
   From Zhang Jiaming.

5) Improve the wording of comment above XFRM_OFFLOAD flags.
   From Petr VanÄ›k.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agoMerge branch 'macb-versal-device-support'
David S. Miller [Mon, 25 Jul 2022 11:29:54 +0000 (12:29 +0100)]
Merge branch 'macb-versal-device-support'

Harini Katakam says:

====================
macb: Add Versal compatible string to Macb driver

Add Versal device support.

v2:
- Sort compatible strings alphabetically in DT bindings.
- Reorganize new config and CAPS order to be cleaner.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: macb: Update tsu clk usage in runtime suspend/resume for Versal
Harini Katakam [Fri, 22 Jul 2022 11:03:30 +0000 (16:33 +0530)]
net: macb: Update tsu clk usage in runtime suspend/resume for Versal

On Versal TSU clock cannot be disabled irrespective of whether PTP is
used. Hence introduce a new Versal config structure with a "need tsu"
caps flag and check the same in runtime_suspend/resume before cutting
off clocks.

More information on this for future reference:
This is an IP limitation on versions 1p11 and 1p12 when Qbv is enabled
(See designcfg1, bit 3). However it is better to rely on an SoC specific
check rather than the IP version because tsu clk property itself may not
represent actual HW tsu clock on some chip designs.

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: macb: Sort CAPS flags by bit positions
Harini Katakam [Fri, 22 Jul 2022 11:03:29 +0000 (16:33 +0530)]
net: macb: Sort CAPS flags by bit positions

Sort capability flags by the bit position set.

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agodt-bindings: net: cdns,macb: Add versal compatible string
Radhey Shyam Pandey [Fri, 22 Jul 2022 11:03:28 +0000 (16:33 +0530)]
dt-bindings: net: cdns,macb: Add versal compatible string

Add versal compatible string.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agoMerge branch 'mtk_eth_soc-xdp'
David S. Miller [Mon, 25 Jul 2022 09:38:58 +0000 (10:38 +0100)]
Merge branch 'mtk_eth_soc-xdp'

Lorenzo Bianconi says:

====================
mtk_eth_soc: add xdp support

Introduce XDP support for mtk_eth_soc driver if rx hwlro is not
enabled in the chipset (e.g. mt7986).
Supported XDP verdicts:
- XDP_PASS
- XDP_DROP
- XDP_REDIRECT
- XDP_TX
- ndo_xdp_xmit
Rely on page_pool allocator for single page buffers in order to keep
them dma mapped and add skb recycling support.

Changes since v3:
- add missing rcu_read_lock()/rcu_read_unlock()
- introduce mtk_page_pool_enabled() utility routine

Changes since v2:
- fix leftover sparse warning
- add page_pool ethtool stats

Changes since v1:
- do not allocate mtk_xdp_stats array on the stack in mtk_rx_poll
- add rcu annotation to bpf program
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk_eth_soc: add support for page_pool_get_stats
Lorenzo Bianconi [Fri, 22 Jul 2022 07:19:40 +0000 (09:19 +0200)]
net: ethernet: mtk_eth_soc: add support for page_pool_get_stats

Introduce support for the page_pool stats API into mtk_eth_soc driver.
Report page_pool stats through ethtool.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk_eth_soc: add xmit XDP support
Lorenzo Bianconi [Fri, 22 Jul 2022 07:19:39 +0000 (09:19 +0200)]
net: ethernet: mtk_eth_soc: add xmit XDP support

Introduce XDP support for XDP_TX verdict and ndo_xdp_xmit function
pointer.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk_eth_soc: introduce xdp ethtool counters
Lorenzo Bianconi [Fri, 22 Jul 2022 07:19:38 +0000 (09:19 +0200)]
net: ethernet: mtk_eth_soc: introduce xdp ethtool counters

Report xdp stats through ethtool

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk_eth_soc: add basic XDP support
Lorenzo Bianconi [Fri, 22 Jul 2022 07:19:37 +0000 (09:19 +0200)]
net: ethernet: mtk_eth_soc: add basic XDP support

Introduce basic XDP support to mtk_eth_soc driver.
Supported XDP verdicts:
- XDP_PASS
- XDP_DROP
- XDP_REDIRECT

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agonet: ethernet: mtk_eth_soc: rely on page_pool for single page buffers
Lorenzo Bianconi [Fri, 22 Jul 2022 07:19:36 +0000 (09:19 +0200)]
net: ethernet: mtk_eth_soc: rely on page_pool for single page buffers

Rely on page_pool allocator for single page buffers in order to keep
them dma mapped and add skb recycling support.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 years agoMerge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next...
Jakub Kicinski [Sat, 23 Jul 2022 04:55:57 +0000 (21:55 -0700)]
Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
100GbE Intel Wired LAN Driver Updates 2022-07-21

This series contains updates to ice driver only.

Karol adds implementation for GNSS write; data is written to the GNSS
module through TTY device using u-blox UBX protocol.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  ice: add write functionality for GNSS TTY
  ice: add i2c write command
====================

Link: https://lore.kernel.org/r/20220721202842.3276257-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoip_tunnels: allow VXLAN/GENEVE to inherit TOS/TTL from VLAN
Matthias May [Thu, 21 Jul 2022 20:27:19 +0000 (22:27 +0200)]
ip_tunnels: allow VXLAN/GENEVE to inherit TOS/TTL from VLAN

The current code allows for VXLAN and GENEVE to inherit the TOS
respective the TTL when skb-protocol is ETH_P_IP or ETH_P_IPV6.
However when the payload is VLAN encapsulated, then this inheriting
does not work, because the visible skb-protocol is of type
ETH_P_8021Q or ETH_P_8021AD.

Instead of skb->protocol use skb_protocol().

Signed-off-by: Matthias May <matthias.may@westermo.com>
Link: https://lore.kernel.org/r/20220721202718.10092-1-matthias.may@westermo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge branch 'net-usb-ax88179_178a-improvements-and-bug-fixes'
Jakub Kicinski [Sat, 23 Jul 2022 04:44:01 +0000 (21:44 -0700)]
Merge branch 'net-usb-ax88179_178a-improvements-and-bug-fixes'

Justin Chen says:

====================
net: usb: ax88179_178a: improvements and bug fixes

Power management was partially broken. There were two issues when dropping
into a sleep state.
1. Resume was not doing a fully HW restore. Only a partial restore. This
lead to a couple things being broken on resume. One of them being tcp rx.
2. wolopt was not being restored properly on resume.

Also did some general improvements and clean up to make it easier to fix
the issues mentioned above.
====================

Link: https://lore.kernel.org/r/1658363296-15734-1-git-send-email-justinpopo6@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: usb: ax88179_178a: wol optimizations
Justin Chen [Thu, 21 Jul 2022 00:28:16 +0000 (17:28 -0700)]
net: usb: ax88179_178a: wol optimizations

- Check if wol is supported on reset instead of everytime get_wol
is called.
- Save wolopts in private data instead of relying on the HW to save it.
- Defer enabling WoL until suspend instead of enabling it everytime
set_wol is called.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: usb: ax88179_178a: move priv to driver_priv
Justin Chen [Thu, 21 Jul 2022 00:28:15 +0000 (17:28 -0700)]
net: usb: ax88179_178a: move priv to driver_priv

We need more space to save WoL context. So lets allocate memory
for ax88179_data instead of using struct usbnet data field which
only supports 5 words. We continue to use the struct usbnet data
field for multicast filters. However since we no longer have the
private data stored there, we can shift it to the beginning.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: usb: ax88179_178a: restore state on resume
Justin Chen [Thu, 21 Jul 2022 00:28:14 +0000 (17:28 -0700)]
net: usb: ax88179_178a: restore state on resume

The hardware state was only partially restored, which meant certain
functionality was broken on resume. Do a full HW reset on resume to
fix this.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: usb: ax88179_178a: clean up pm calls
Justin Chen [Thu, 21 Jul 2022 00:28:13 +0000 (17:28 -0700)]
net: usb: ax88179_178a: clean up pm calls

Instead of passing in_pm flags all over the place, use the private
struct to handle in_pm mode.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: usb: ax88179_178a: remove redundant init code
Justin Chen [Thu, 21 Jul 2022 00:28:12 +0000 (17:28 -0700)]
net: usb: ax88179_178a: remove redundant init code

Bind and reset are basically doing the same thing. Remove the duplicate
code and have bind call into reset.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge tag 'for-net-next-2022-07-22' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Sat, 23 Jul 2022 02:00:17 +0000 (19:00 -0700)]
Merge tag 'for-net-next-2022-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

 - Add support for IM Networks PID 0x3568
 - Add support for BCM4349B1
 - Add support for CYW55572
 - Add support for MT7922 VID/PID 0489/e0e2
 - Add support for Realtek RTL8852C
 - Initial support for Isochronous Channels/ISO sockets
 - Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING quirk

* tag 'for-net-next-2022-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (58 commits)
  Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet
  Bluetooth: btusb: Add support for ISO packets
  Bluetooth: ISO: Add broadcast support
  Bluetooth: Add initial implementation of BIS connections
  Bluetooth: Add BTPROTO_ISO socket type
  Bluetooth: Add initial implementation of CIS connections
  Bluetooth: hci_core: Introduce hci_recv_event_data
  Bluetooth: Convert delayed discov_off to hci_sync
  Bluetooth: Remove update_scan hci_request dependancy
  Bluetooth: Remove dead code from hci_request.c
  Bluetooth: btrtl: Fix typo in comment
  Bluetooth: MGMT: Fix holding hci_conn reference while command is queued
  Bluetooth: mgmt: Fix using hci_conn_abort
  Bluetooth: Use bt_status to convert from errno
  Bluetooth: Add bt_status
  Bluetooth: hci_sync: Split hci_dev_open_sync
  Bluetooth: hci_sync: Refactor remove Adv Monitor
  Bluetooth: hci_sync: Refactor add Adv Monitor
  Bluetooth: hci_sync: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING
  Bluetooth: btusb: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for fake CSR
  ...
====================

Link: https://lore.kernel.org/r/20220723002232.964796-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoBluetooth: btusb: Detect if an ACL packet is in fact an ISO packet
Luiz Augusto von Dentz [Mon, 28 Oct 2019 18:25:02 +0000 (20:25 +0200)]
Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet

Fix up the packet type if ISO packets are sent over the bulk endpoint.

Note: This is a stopgap since the Bluetooth specification currently
doesn't define any endpoint to transport ISO packets.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: btusb: Add support for ISO packets
Luiz Augusto von Dentz [Mon, 28 Oct 2019 15:09:09 +0000 (17:09 +0200)]
Bluetooth: btusb: Add support for ISO packets

This enabled btusb driver to properly transmit ISO packets.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: ISO: Add broadcast support
Luiz Augusto von Dentz [Wed, 9 Mar 2022 21:14:41 +0000 (13:14 -0800)]
Bluetooth: ISO: Add broadcast support

This adds broadcast support for BTPROTO_ISO by extending the
sockaddr_iso with a new struct sockaddr_iso_bc where the socket user
can set the broadcast address when receiving, the SID and the BIS
indexes it wants to synchronize.

When using BTPROTO_ISO for broadcast the roles are:

Broadcaster -> uses connect with address set to BDADDR_ANY:
> tools/isotest -s 00:00:00:00:00:00

Broadcast Receiver -> uses listen with address set to broadcaster:
> tools/isotest -d 00:AA:01:00:00:00

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: Add initial implementation of BIS connections
Luiz Augusto von Dentz [Wed, 9 Mar 2022 21:22:20 +0000 (13:22 -0800)]
Bluetooth: Add initial implementation of BIS connections

This adds initial support for BIS/BIG which includes:

== Broadcaster role: Setup a periodic advertising and create a BIG ==

> tools/isotest -s 00:00:00:00:00:00
isotest[63]: Connected [00:00:00:00:00:00]
isotest[63]: QoS BIG 0x00 BIS 0x00 Packing 0x00 Framing 0x00]
isotest[63]: Output QoS [Interval 10000 us Latency 10 ms SDU 40 PHY 0x02
RTN 2]
isotest[63]: Sending ...
isotest[63]: Number of packets: 1
isotest[63]: Socket jitter buffer: 80 buffer
< HCI Command: LE Set Perio.. (0x08|0x003e) plen 7
...
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Periodic Advertising Parameters (0x08|0x003e) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Set Perio.. (0x08|0x003f) plen 7
...
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Periodic Advertising Data (0x08|0x003f) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Set Perio.. (0x08|0x0040) plen 2
...
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Periodic Advertising Enable (0x08|0x0040) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Create B.. (0x08|0x0068) plen 31
...
> HCI Event: Command Status (0x0f) plen 4
      LE Create Broadcast Isochronous Group (0x08|0x0068) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 21
      LE Broadcast Isochronous Group Complete (0x1b)
      ...

== Broadcast Receiver role: Create a PA Sync and BIG Sync ==

> tools/isotest -i hci1 -d 00:AA:01:00:00:00
isotest[66]: Waiting for connection 00:AA:01:00:00:00...
< HCI Command: LE Periodic Advert.. (0x08|0x0044) plen 14
...
> HCI Event: Command Status (0x0f) plen 4
      LE Periodic Advertising Create Sync (0x08|0x0044) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8
...
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Set Extended Sca.. (0x08|0x0042) plen 6
...
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Extended Scan Enable (0x08|0x0042) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 29
      LE Extended Advertising Report (0x0d)
      ...
> HCI Event: LE Meta Event (0x3e) plen 16
      LE Periodic Advertising Sync Established (0x0e)
      ...
< HCI Command: LE Broadcast Isoch.. (0x08|0x006b) plen 25
...
> HCI Event: Command Status (0x0f) plen 4
      LE Broadcast Isochronous Group Create Sync (0x08|0x006b) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 17
      LE Broadcast Isochronous Group Sync Estabilished (0x1d)
      ...

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: Add BTPROTO_ISO socket type
Luiz Augusto von Dentz [Thu, 16 Jan 2020 23:55:57 +0000 (15:55 -0800)]
Bluetooth: Add BTPROTO_ISO socket type

This introduces a new socket type BTPROTO_ISO which can be enabled with
use of ISO Socket experiemental UUID, it can used to initiate/accept
connections and transfer packets between userspace and kernel similarly
to how BTPROTO_SCO works:

Central -> uses connect with address set to destination bdaddr:
> tools/isotest -s 00:AA:01:00:00:00

Peripheral -> uses listen:
> tools/isotest -d

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: Add initial implementation of CIS connections
Luiz Augusto von Dentz [Mon, 29 Jul 2019 15:15:43 +0000 (18:15 +0300)]
Bluetooth: Add initial implementation of CIS connections

This adds the initial implementation of CIS connections and introduces
the ISO packets/links.

== Central: Set CIG Parameters, create a CIS and Setup Data Path ==

> tools/isotest -s <address>

< HCI Command: LE Extended Create... (0x08|0x0043) plen 26
...
> HCI Event: Command Status (0x0f) plen 4
      LE Extended Create Connection (0x08|0x0043) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 31
      LE Enhanced Connection Complete (0x0a)
      ...
< HCI Command: LE Create Connected... (0x08|0x0064) plen 5
...
> HCI Event: Command Status (0x0f) plen 4
      LE Create Connected Isochronous Stream (0x08|0x0064) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 29
      LE Connected Isochronous Stream Established (0x19)
      ...
< HCI Command: LE Setup Isochronou.. (0x08|0x006e) plen 13
...
> HCI Event: Command Complete (0x0e) plen 6
      LE Setup Isochronous Data Path (0x08|0x006e) ncmd 1
        Status: Success (0x00)
        Handle: 257
< HCI Command: LE Setup Isochronou.. (0x08|0x006e) plen 13
...
> HCI Event: Command Complete (0x0e) plen 6
      LE Setup Isochronous Data Path (0x08|0x006e) ncmd 1
        Status: Success (0x00)
        Handle: 257

== Peripheral: Accept CIS and Setup Data Path ==

> tools/isotest -d

 HCI Event: LE Meta Event (0x3e) plen 7
      LE Connected Isochronous Stream Request (0x1a)
...
< HCI Command: LE Accept Co.. (0x08|0x0066) plen 2
...
> HCI Event: LE Meta Event (0x3e) plen 29
      LE Connected Isochronous Stream Established (0x19)
...
< HCI Command: LE Setup Is.. (0x08|0x006e) plen 13
...
> HCI Event: Command Complete (0x0e) plen 6
      LE Setup Isochronous Data Path (0x08|0x006e) ncmd 1
        Status: Success (0x00)
        Handle: 257
< HCI Command: LE Setup Is.. (0x08|0x006e) plen 13
...
> HCI Event: Command Complete (0x0e) plen 6
      LE Setup Isochronous Data Path (0x08|0x006e) ncmd 1
        Status: Success (0x00)
        Handle: 257

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoMerge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Jakub Kicinski [Fri, 22 Jul 2022 23:55:43 +0000 (16:55 -0700)]
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
bpf-next 2022-07-22

We've added 73 non-merge commits during the last 12 day(s) which contain
a total of 88 files changed, 3458 insertions(+), 860 deletions(-).

The main changes are:

1) Implement BPF trampoline for arm64 JIT, from Xu Kuohai.

2) Add ksyscall/kretsyscall section support to libbpf to simplify tracing kernel
   syscalls through kprobe mechanism, from Andrii Nakryiko.

3) Allow for livepatch (KLP) and BPF trampolines to attach to the same kernel
   function, from Song Liu & Jiri Olsa.

4) Add new kfunc infrastructure for netfilter's CT e.g. to insert and change
   entries, from Kumar Kartikeya Dwivedi & Lorenzo Bianconi.

5) Add a ksym BPF iterator to allow for more flexible and efficient interactions
   with kernel symbols, from Alan Maguire.

6) Bug fixes in libbpf e.g. for uprobe binary path resolution, from Dan Carpenter.

7) Fix BPF subprog function names in stack traces, from Alexei Starovoitov.

8) libbpf support for writing custom perf event readers, from Jon Doron.

9) Switch to use SPDX tag for BPF helper man page, from Alejandro Colomar.

10) Fix xsk send-only sockets when in busy poll mode, from Maciej Fijalkowski.

11) Reparent BPF maps and their charging on memcg offlining, from Roman Gushchin.

12) Multiple follow-up fixes around BPF lsm cgroup infra, from Stanislav Fomichev.

13) Use bootstrap version of bpftool where possible to speed up builds, from Pu Lehui.

14) Cleanup BPF verifier's check_func_arg() handling, from Joanne Koong.

15) Make non-prealloced BPF map allocations low priority to play better with
    memcg limits, from Yafang Shao.

16) Fix BPF test runner to reject zero-length data for skbs, from Zhengchao Shao.

17) Various smaller cleanups and improvements all over the place.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (73 commits)
  bpf: Simplify bpf_prog_pack_[size|mask]
  bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)
  bpf, x64: Allow to use caller address from stack
  ftrace: Allow IPMODIFY and DIRECT ops on the same function
  ftrace: Add modify_ftrace_direct_multi_nolock
  bpf/selftests: Fix couldn't retrieve pinned program in xdp veth test
  bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
  selftests/bpf: Fix test_verifier failed test in unprivileged mode
  selftests/bpf: Add negative tests for new nf_conntrack kfuncs
  selftests/bpf: Add tests for new nf_conntrack kfuncs
  selftests/bpf: Add verifier tests for trusted kfunc args
  net: netfilter: Add kfuncs to set and change CT status
  net: netfilter: Add kfuncs to set and change CT timeout
  net: netfilter: Add kfuncs to allocate and insert CT
  net: netfilter: Deduplicate code in bpf_{xdp,skb}_ct_lookup
  bpf: Add documentation for kfuncs
  bpf: Add support for forcing kfunc args to be trusted
  bpf: Switch to new kfunc flags infrastructure
  tools/resolve_btfids: Add support for 8-byte BTF sets
  bpf: Introduce 8-byte BTF set
  ...
====================

Link: https://lore.kernel.org/r/20220722221218.29943-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoMerge branch 'io_uring-zerocopy-send' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Fri, 22 Jul 2022 21:53:33 +0000 (14:53 -0700)]
Merge branch 'io_uring-zerocopy-send' of git://git.kernel.org/pub/scm/linux/kernel/git/kuba/linux

Pull in Pavel's patch from a shared branch.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agonet: fix uninitialised msghdr->sg_from_iter
Pavel Begunkov [Thu, 21 Jul 2022 14:25:46 +0000 (15:25 +0100)]
net: fix uninitialised msghdr->sg_from_iter

Because of how struct msghdr is usually initialised some fields and
sg_from_iter in particular might be left out not initialised, so we
can't safely use it in __zerocopy_sg_from_iter().

For now use the callback only when there is ->msg_ubuf set relying on
the fact that they're used together and we properly zero ->msg_ubuf.

Fixes: ebe73a284f4de8 ("net: Allow custom iter handler in msghdr")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Message-Id: <ce8b68b41351488f79fd998b032b3c56e9b1cc6c.1658401817.git.asml.silence@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agomlxsw: core: Fix use-after-free calling devl_unlock() in mlxsw_core_bus_device_unregi...
Jiri Pirko [Thu, 21 Jul 2022 14:24:24 +0000 (16:24 +0200)]
mlxsw: core: Fix use-after-free calling devl_unlock() in mlxsw_core_bus_device_unregister()

Do devl_unlock() before freeing the devlink in
mlxsw_core_bus_device_unregister() function.

Reported-by: Ido Schimmel <idosch@nvidia.com>
Fixes: 72a4c8c94efa ("mlxsw: convert driver to use unlocked devlink API during init/fini")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220721142424.3975704-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2 years agoBluetooth: hci_core: Introduce hci_recv_event_data
Luiz Augusto von Dentz [Fri, 4 Feb 2022 21:04:38 +0000 (13:04 -0800)]
Bluetooth: hci_core: Introduce hci_recv_event_data

This introduces hci_recv_event_data to make it simpler to access the
contents of last received event rather than having to pass its contents
to the likes of *_ind/*_cfm callbacks.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agobpf: Simplify bpf_prog_pack_[size|mask]
Song Liu [Wed, 13 Jul 2022 20:49:50 +0000 (13:49 -0700)]
bpf: Simplify bpf_prog_pack_[size|mask]

Simplify the logic that selects bpf_prog_pack_size, and always use
(PMD_SIZE * num_possible_nodes()). This is a good tradeoff, as most of
the performance benefit observed is from less direct map fragmentation [0].

Also, module_alloc(4MB) may not allocate 4MB aligned memory. Therefore,
we cannot use (ptr & bpf_prog_pack_mask) to find the correct address of
bpf_prog_pack. Fix this by checking the header address falls in the range
of pack->ptr and (pack->ptr + bpf_prog_pack_size).

  [0] https://lore.kernel.org/bpf/20220707223546.4124919-1-song@kernel.org/

Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20220713204950.3015201-1-song@kernel.org
2 years agobpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)
Song Liu [Wed, 20 Jul 2022 00:21:26 +0000 (17:21 -0700)]
bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)

When tracing a function with IPMODIFY ftrace_ops (livepatch), the bpf
trampoline must follow the instruction pointer saved on stack. This needs
extra handling for bpf trampolines with BPF_TRAMP_F_CALL_ORIG flag.

Implement bpf_tramp_ftrace_ops_func and use it for the ftrace_ops used
by BPF trampoline. This enables tracing functions with livepatch.

This also requires moving bpf trampoline to *_ftrace_direct_mult APIs.

Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/all/20220602193706.2607681-2-song@kernel.org/
Link: https://lore.kernel.org/bpf/20220720002126.803253-5-song@kernel.org
2 years agobpf, x64: Allow to use caller address from stack
Jiri Olsa [Wed, 20 Jul 2022 00:21:25 +0000 (17:21 -0700)]
bpf, x64: Allow to use caller address from stack

Currently we call the original function by using the absolute address
given at the JIT generation. That's not usable when having trampoline
attached to multiple functions, or the target address changes dynamically
(in case of live patch). In such cases we need to take the return address
from the stack.

Adding support to retrieve the original function address from the stack
by adding new BPF_TRAMP_F_ORIG_STACK flag for arch_prepare_bpf_trampoline
function.

Basically we take the return address of the 'fentry' call:

   function + 0: call fentry    # stores 'function + 5' address on stack
   function + 5: ...

The 'function + 5' address will be used as the address for the
original function to call.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220720002126.803253-4-song@kernel.org
2 years agoftrace: Allow IPMODIFY and DIRECT ops on the same function
Song Liu [Wed, 20 Jul 2022 00:21:24 +0000 (17:21 -0700)]
ftrace: Allow IPMODIFY and DIRECT ops on the same function

IPMODIFY (livepatch) and DIRECT (bpf trampoline) ops are both important
users of ftrace. It is necessary to allow them work on the same function
at the same time.

First, DIRECT ops no longer specify IPMODIFY flag. Instead, DIRECT flag is
handled together with IPMODIFY flag in __ftrace_hash_update_ipmodify().

Then, a callback function, ops_func, is added to ftrace_ops. This is used
by ftrace core code to understand whether the DIRECT ops can share with an
IPMODIFY ops. To share with IPMODIFY ops, the DIRECT ops need to implement
the callback function and adjust the direct trampoline accordingly.

If DIRECT ops is attached before the IPMODIFY ops, ftrace core code calls
ENABLE_SHARE_IPMODIFY_PEER on the DIRECT ops before registering the
IPMODIFY ops.

If IPMODIFY ops is attached before the DIRECT ops, ftrace core code calls
ENABLE_SHARE_IPMODIFY_SELF in __ftrace_hash_update_ipmodify. Owner of the
DIRECT ops may return 0 if the DIRECT trampoline can share with IPMODIFY,
so error code otherwise. The error code is propagated to
register_ftrace_direct_multi so that onwer of the DIRECT trampoline can
handle it properly.

For more details, please refer to comment before enum ftrace_ops_cmd.

Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/all/20220602193706.2607681-2-song@kernel.org/
Link: https://lore.kernel.org/all/20220718055449.3960512-1-song@kernel.org/
Link: https://lore.kernel.org/bpf/20220720002126.803253-3-song@kernel.org
2 years agoftrace: Add modify_ftrace_direct_multi_nolock
Song Liu [Wed, 20 Jul 2022 00:21:23 +0000 (17:21 -0700)]
ftrace: Add modify_ftrace_direct_multi_nolock

This is similar to modify_ftrace_direct_multi, but does not acquire
direct_mutex. This is useful when direct_mutex is already locked by the
user.

Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/bpf/20220720002126.803253-2-song@kernel.org
2 years agoBluetooth: Convert delayed discov_off to hci_sync
Brian Gix [Thu, 21 Jul 2022 23:22:25 +0000 (16:22 -0700)]
Bluetooth: Convert delayed discov_off to hci_sync

The timed ending of Discoverability was handled in hci_requst.c, with
calls using the deprecated hci_req_add() mechanism. Converted to live
inside mgmt.c using the same delayed work queue, but with hci_sync
version of hci_update_discoverable().

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: Remove update_scan hci_request dependancy
Brian Gix [Thu, 21 Jul 2022 23:22:24 +0000 (16:22 -0700)]
Bluetooth: Remove update_scan hci_request dependancy

This removes the remaining calls to HCI_OP_WRITE_SCAN_ENABLE from
hci_request call chains, and converts them to hci_sync calls.

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: Remove dead code from hci_request.c
Brian Gix [Thu, 21 Jul 2022 23:22:23 +0000 (16:22 -0700)]
Bluetooth: Remove dead code from hci_request.c

The discov_update work queue is no longer used as a result
of the hci_sync rework.

The __hci_req_hci_power_on() function is no longer referenced in the
code as a result of the hci_sync rework.

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: btrtl: Fix typo in comment
shaomin Deng [Wed, 20 Jul 2022 14:10:33 +0000 (10:10 -0400)]
Bluetooth: btrtl: Fix typo in comment

Delete the repeated word "that" in comments.

Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoBluetooth: MGMT: Fix holding hci_conn reference while command is queued
Luiz Augusto von Dentz [Thu, 21 Jul 2022 22:56:28 +0000 (15:56 -0700)]
Bluetooth: MGMT: Fix holding hci_conn reference while command is queued

This removes the use of hci_conn_hold from Get Conn Info and Get Clock
Info since the callback can just do a lookup by address using the cmd
data and only then set cmd->user_data to pass to the complete callback.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2 years agoiavf: Check for duplicate TC flower filter before parsing
Avinash Dayanand [Tue, 21 Jun 2022 18:39:33 +0000 (14:39 -0400)]
iavf: Check for duplicate TC flower filter before parsing

Record of all the TC flower filters are kept for local book keeping, so
take advantage of that and check for duplicate filter even before sending
a request to the PF driver.

Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Signed-off-by: Jun Zhang <xuejun.zhang@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2 years agobpf/selftests: Fix couldn't retrieve pinned program in xdp veth test
Jie2x Zhou [Tue, 19 Jul 2022 08:24:30 +0000 (16:24 +0800)]
bpf/selftests: Fix couldn't retrieve pinned program in xdp veth test

Before change:

  selftests: bpf: test_xdp_veth.sh
  Couldn't retrieve pinned program '/sys/fs/bpf/test_xdp_veth/progs/redirect_map_0': No such file or directory
  selftests: xdp_veth [SKIP]
  ok 20 selftests: bpf: test_xdp_veth.sh # SKIP

After change:

  PING 10.1.1.33 (10.1.1.33) 56(84) bytes of data.
  64 bytes from 10.1.1.33: icmp_seq=1 ttl=64 time=0.320 ms
  --- 10.1.1.33 ping statistics ---
  1 packets transmitted, 1 received, 0% packet loss, time 0ms
  rtt min/avg/max/mdev = 0.320/0.320/0.320/0.000 ms
  selftests: xdp_veth [PASS]

For the test case, the following can be found:

  ls /sys/fs/bpf/test_xdp_veth/progs/redirect_map_0
  ls: cannot access '/sys/fs/bpf/test_xdp_veth/progs/redirect_map_0': No such file or directory
  ls /sys/fs/bpf/test_xdp_veth/progs/
  xdp_redirect_map_0  xdp_redirect_map_1  xdp_redirect_map_2

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jie2x Zhou <jie2x.zhou@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220719082430.9916-1-jie2x.zhou@intel.com
2 years agoi40e: Refactor tc mqprio checks
Przemyslaw Patynowski [Wed, 8 Jun 2022 11:52:48 +0000 (13:52 +0200)]
i40e: Refactor tc mqprio checks

Refactor bitwise checks for whether TC MQPRIO is enabled
into one single method for improved readability.

Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2 years agobpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
Kumar Kartikeya Dwivedi [Fri, 22 Jul 2022 11:36:05 +0000 (13:36 +0200)]
bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF

BTF_ID_FLAGS macro needs to be able to take 0 or 1 args, so make it a
variable argument. BTF_SET8_END is incorrect, it should just be empty.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: ab21d6063c01 ("bpf: Introduce 8-byte BTF set")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220722113605.6513-1-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2 years agowifi: mac80211: fix link data leak
Johannes Berg [Fri, 22 Jul 2022 09:15:20 +0000 (11:15 +0200)]
wifi: mac80211: fix link data leak

During the code reshuffling, I accidentally set this to
NULL before using it, fix that to fix the link data leak.

Fixes: d3e2439b0f33 ("wifi: mac80211: fix link manipulation")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: mlme: fix disassoc with MLO
Johannes Berg [Fri, 22 Jul 2022 09:01:18 +0000 (11:01 +0200)]
wifi: mac80211: mlme: fix disassoc with MLO

In MLO we shouldn't call ieee80211_bss_info_change_notify(),
call that only (for backward compatibility) without MLO, and
otherwise ieee80211_vif_cfg_change_notify().

Similarly, ieee80211_reset_erp_info() only applies to the
current link, and in MLO we assume the driver doesn't really
need that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: add macros to loop over active links
Gregory Greenman [Tue, 12 Jul 2022 09:22:50 +0000 (12:22 +0300)]
wifi: mac80211: add macros to loop over active links

Add a preliminary version which will be updated later
to loop over vif's and sta's active links.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: remove erroneous sband/link validation
Johannes Berg [Thu, 21 Jul 2022 22:07:29 +0000 (00:07 +0200)]
wifi: mac80211: remove erroneous sband/link validation

In sta_apply_parameters(), we really no longer need to
check that the link or sband exists, in fact, that's
harmful if link 0 doesn't exist, since then this will
fail.

Just remove this check, it was added for validation of
the sband where used, but it's not used here, it's now
only used in sta_link_apply_parameters() which has an
own lookup and check.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: mlme: transmit assoc frame with address translation
Johannes Berg [Thu, 21 Jul 2022 21:35:21 +0000 (23:35 +0200)]
wifi: mac80211: mlme: transmit assoc frame with address translation

To transmit the association frame to the right station and
with address translation, use the correct addresses there
and set up the AP address in the configuration earlier so
it's applied during the transmit of auth/assoc frames.

Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: verify link addresses are different
Johannes Berg [Thu, 21 Jul 2022 17:54:20 +0000 (19:54 +0200)]
wifi: mac80211: verify link addresses are different

When adding multiple links, verify that they all have
different addresses.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: rx: track link in RX data
Johannes Berg [Thu, 21 Jul 2022 11:08:13 +0000 (13:08 +0200)]
wifi: mac80211: rx: track link in RX data

We'll need the link e.g. for decrypt, and shouldn't be
looking it up all the time later, so track it in the RX
data.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: optionally implement MLO multicast TX
Johannes Berg [Thu, 21 Jul 2022 08:56:48 +0000 (10:56 +0200)]
wifi: mac80211: optionally implement MLO multicast TX

For drivers using software encryption for multicast TX, such
as mac80211_hwsim, mac80211 needs to duplicate the multicast
frames on each link, if MLO is enabled. Do this, but don't
just make it dependent on the key but provide a separate flag
for drivers to opt out of this.

This is not very efficient, I expect that drivers will do it
in firmware/hardware or at least with DMA engine assistence,
so this is mostly for hwsim.

To make this work, also implement the SNS11 sequence number
space that an AP MLD shall have, and modify the API to the
__ieee80211_subif_start_xmit() function to always require the
link ID bits to be set.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: expand ieee80211_mgmt_tx() for MLO
Johannes Berg [Mon, 18 Jul 2022 19:36:08 +0000 (21:36 +0200)]
wifi: mac80211: expand ieee80211_mgmt_tx() for MLO

There are a couple of new things that should be possible
with MLO:
 * selecting the link to transmit to a station by link ID,
   which a previous patch added to the nl80211 API
 * selecting the link by frequency, similarly
 * allowing transmittion to an MLD without specifying any
   channel or link ID, with MLD addresses

Enable these use cases. Also fix the address comparison
in client mode to use the AP (MLD) address.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX API
Johannes Berg [Mon, 18 Jul 2022 10:13:46 +0000 (12:13 +0200)]
wifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX API

Allow optionally specifying the link ID to transmit on,
which can be done instead of the link frequency, on an
MLD addressed frame. Both can also be omitted in which
case the frame must be MLD addressed and link selection
(and address translation) will be done on lower layers.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: report link ID to cfg80211 on mgmt RX
Johannes Berg [Mon, 18 Jul 2022 08:42:19 +0000 (10:42 +0200)]
wifi: mac80211: report link ID to cfg80211 on mgmt RX

For frames received on an MLD, report the link ID to
userspace.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: cfg80211: report link ID in NL80211_CMD_FRAME
Johannes Berg [Mon, 18 Jul 2022 08:40:44 +0000 (10:40 +0200)]
wifi: cfg80211: report link ID in NL80211_CMD_FRAME

If given by the underlying driver, report the link ID for
MLO in NL80211_CMD_FRAME.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2 years agowifi: mac80211: add hardware timestamps for RX and TX
Avraham Stern [Wed, 26 Jan 2022 09:15:31 +0000 (11:15 +0200)]
wifi: mac80211: add hardware timestamps for RX and TX

When the low level driver reports hardware timestamps for frame
TX status or frame RX, pass the timestamps to cfg80211.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>