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42699 commits

Author SHA1 Message Date
David S. Miller
82bc2e4a26 wireless-drivers-next patches for v5.6
Second set of patches for v5.6. Nothing special standing out, smaller
 new features and fixes allover.
 
 Major changes:
 
 ar5523
 
 * add support for SMCWUSBT-G2 USB device
 
 iwlwifi
 
 * support new versions of the FTM FW APIs
 
 * support new version of the beacon template FW API
 
 * print some extra information when the driver is loaded
 
 rtw88
 
 * support wowlan feature for 8822c
 
 * add support for WIPHY_WOWLAN_NET_DETECT
 
 brcmfmac
 
 * add initial support for monitor mode
 
 qtnfmac
 
 * add module parameter to enable DFS offloading in firmware
 
 * add support for STA HE rates
 
 * add support for TWT responder and spatial reuse
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Merge tag 'wireless-drivers-next-2020-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.6

Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.

Major changes:

ar5523

* add support for SMCWUSBT-G2 USB device

iwlwifi

* support new versions of the FTM FW APIs

* support new version of the beacon template FW API

* print some extra information when the driver is loaded

rtw88

* support wowlan feature for 8822c

* add support for WIPHY_WOWLAN_NET_DETECT

brcmfmac

* add initial support for monitor mode

qtnfmac

* add module parameter to enable DFS offloading in firmware

* add support for STA HE rates

* add support for TWT responder and spatial reuse
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:25:36 +01:00
David S. Miller
c4c57b974d Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:

====================
pull request: bluetooth-next 2020-01-26

Here's (probably) the last bluetooth-next pull request for the 5.6 kernel.

 - Initial pieces of Bluetooth 5.2 Isochronous Channels support
 - mgmt: Various cleanups and a new Set Blocked Keys command
 - btusb: Added support for 04ca:3021 QCA_ROME device
 - hci_qca: Multiple fixes & cleanups
 - hci_bcm: Fixes & improved device tree support
 - Fixed attempts to create duplicate debugfs entries

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:24:46 +01:00
Govind Singh
6ca71a10ae dt: bindings: add dt entry flag to skip SCM call for msa region
Add boolean context flag to disable SCM call for statically
mapped msa region.

Signed-off-by: Govind Singh <govinds@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 12:36:01 +02:00
Bjorn Andersson
57a3b60ddb ath10k: Add optional qdss clk
The WiFi firmware found on sm8150 requires that the QDSS clock is
ticking in order to operate, so add an optional clock to the binding to
allow this to be specified in the sm8150 dts and add the clock to the
list of clocks in the driver.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 12:24:47 +02:00
David S. Miller
4d8773b68e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor conflict in mlx5 because changes happened to code that has
moved meanwhile.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-26 10:40:21 +01:00
Linus Torvalds
84809aaf78 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Off by one in mt76 airtime calculation, from Dan Carpenter.

 2) Fix TLV fragment allocation loop condition in iwlwifi, from Luca
    Coelho.

 3) Don't confirm neigh entries when doing ipsec pmtu updates, from Xu
    Wang.

 4) More checks to make sure we only send TSO packets to lan78xx chips
    that they can actually handle. From James Hughes.

 5) Fix ip_tunnel namespace move, from William Dauchy.

 6) Fix unintended packet reordering due to cooperation between
    listification done by GRO and non-GRO paths. From Maxim
    Mikityanskiy.

 7) Add Jakub Kicincki formally as networking co-maintainer.

 8) Info leak in airo ioctls, from Michael Ellerman.

 9) IFLA_MTU attribute needs validation during rtnl_create_link(), from
    Eric Dumazet.

10) Use after free during reload in mlxsw, from Ido Schimmel.

11) Dangling pointers are possible in tp->highest_sack, fix from Eric
    Dumazet.

12) Missing *pos++ in various networking seq_next handlers, from Vasily
    Averin.

13) CHELSIO_GET_MEM operation neds CAP_NET_ADMIN check, from Michael
    Ellerman.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (109 commits)
  firestream: fix memory leaks
  net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
  net: bcmgenet: Use netif_tx_napi_add() for TX NAPI
  tipc: change maintainer email address
  net: stmmac: platform: fix probe for ACPI devices
  net/mlx5e: kTLS, Do not send decrypted-marked SKBs via non-accel path
  net/mlx5e: kTLS, Remove redundant posts in TX resync flow
  net/mlx5e: kTLS, Fix corner-case checks in TX resync flow
  net/mlx5e: Clear VF config when switching modes
  net/mlx5: DR, use non preemptible call to get the current cpu number
  net/mlx5: E-Switch, Prevent ingress rate configuration of uplink rep
  net/mlx5: DR, Enable counter on non-fwd-dest objects
  net/mlx5: Update the list of the PCI supported devices
  net/mlx5: Fix lowest FDB pool size
  net: Fix skb->csum update in inet_proto_csum_replace16().
  netfilter: nf_tables: autoload modules from the abort path
  netfilter: nf_tables: add __nft_chain_type_get()
  netfilter: nf_tables_offload: fix check the chain offload flag
  netfilter: conntrack: sctp: use distinct states for new SCTP connections
  ipv6_route_seq_next should increase position index
  ...
2020-01-25 14:19:32 -08:00
Haiyang Zhang
12fa74383e hv_netvsc: Update document for XDP support
Added the new section in the document regarding XDP support
by hv_netvsc driver.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 10:43:19 +01:00
Madalin Bucur
2934d2c678 dt-bindings: net: add fsl,erratum-a011043
Add an entry for erratum A011043: the MDIO_CFG[MDIO_RD_ER]
bit may be falsely set when reading internal PCS registers.
MDIO reads to internal PCS registers may result in having
the MDIO_CFG[MDIO_RD_ER] bit set, even when there is no
error and read data (MDIO_DATA[MDIO_DATA]) is correct.
Software may get false read error when reading internal
PCS registers through MDIO. As a workaround, all internal
MDIO accesses should ignore the MDIO_CFG[MDIO_RD_ER] bit.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 21:17:13 +01:00
Linus Torvalds
4703d91199 XArray updates for 5.5
Primarily bugfixes, mostly around handling index wrap-around correctly.
 A couple of doc fixes and adding missing APIs.
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Merge tag 'xarray-5.5' of git://git.infradead.org/users/willy/linux-dax

Pull XArray fixes from Matthew Wilcox:
 "Primarily bugfixes, mostly around handling index wrap-around
  correctly.

  A couple of doc fixes and adding missing APIs.

  I had an oops live on stage at linux.conf.au this year, and it turned
  out to be a bug in xas_find() which I can't prove isn't triggerable in
  the current codebase. Then in looking for the bug, I spotted two more
  bugs.

  The bots have had a few days to chew on this with no problems
  reported, and it passes the test-suite (which now has more tests to
  make sure these problems don't come back)"

* tag 'xarray-5.5' of git://git.infradead.org/users/willy/linux-dax:
  XArray: Add xa_for_each_range
  XArray: Fix xas_find returning too many entries
  XArray: Fix xa_find_after with multi-index entries
  XArray: Fix infinite loop with entry at ULONG_MAX
  XArray: Add wrappers for nested spinlocks
  XArray: Improve documentation of search marks
  XArray: Fix xas_pause at ULONG_MAX
2020-01-23 11:37:19 -08:00
David S. Miller
b3f7e3f23a Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
Linus Torvalds
11a8272947 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix non-blocking connect() in x25, from Martin Schiller.

 2) Fix spurious decryption errors in kTLS, from Jakub Kicinski.

 3) Netfilter use-after-free in mtype_destroy(), from Cong Wang.

 4) Limit size of TSO packets properly in lan78xx driver, from Eric
    Dumazet.

 5) r8152 probe needs an endpoint sanity check, from Johan Hovold.

 6) Prevent looping in tcp_bpf_unhash() during sockmap/tls free, from
    John Fastabend.

 7) hns3 needs short frames padded on transmit, from Yunsheng Lin.

 8) Fix netfilter ICMP header corruption, from Eyal Birger.

 9) Fix soft lockup when low on memory in hns3, from Yonglong Liu.

10) Fix NTUPLE firmware command failures in bnxt_en, from Michael Chan.

11) Fix memory leak in act_ctinfo, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
  cxgb4: reject overlapped queues in TC-MQPRIO offload
  cxgb4: fix Tx multi channel port rate limit
  net: sched: act_ctinfo: fix memory leak
  bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal.
  bnxt_en: Fix ipv6 RFS filter matching logic.
  bnxt_en: Fix NTUPLE firmware command failures.
  net: systemport: Fixed queue mapping in internal ring map
  net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec
  net: dsa: sja1105: Don't error out on disabled ports with no phy-mode
  net: phy: dp83867: Set FORCE_LINK_GOOD to default after reset
  net: hns: fix soft lockup when there is not enough memory
  net: avoid updating qdisc_xmit_lock_key in netdev_update_lockdep_key()
  net/sched: act_ife: initalize ife->metalist earlier
  netfilter: nat: fix ICMP header corruption on ICMP errors
  net: wan: lapbether.c: Use built-in RCU list checking
  netfilter: nf_tables: fix flowtable list del corruption
  netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()
  netfilter: nf_tables: remove WARN and add NLA_STRING upper limits
  netfilter: nft_tunnel: ERSPAN_VERSION must not be null
  netfilter: nft_tunnel: fix null-attribute check
  ...
2020-01-19 12:03:53 -08:00
Amit Cohen
c3cae4916e devlink: Add overlay source MAC is multicast trap
Add packet trap that can report NVE packets that the device decided to
drop because their overlay source MAC is multicast.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
13c056ec7d devlink: Add tunnel generic packet traps
Add packet traps that can report packets that were dropped during tunnel
decapsulation.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
95f0ead8f0 devlink: Add non-routable packet trap
Add packet trap that can report packets that reached the router, but are
non-routable. For example, IGMP queries can be flooded by the device in
layer 2 and reach the router. Such packets should not be routed and
instead dropped.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Amit Cohen
5b05162160 mlxsw: Add irif and erif disabled traps
IRIF_DISABLED and ERIF_DISABLED are driver specific traps. Packets are
dropped for these reasons when they need to be routed through/from
existing router interfaces (RIF) which are disabled.

Add devlink driver-specific traps and mlxsw trap IDs used to report
these traps.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19 16:23:52 +01:00
Linus Torvalds
f04dba64d6 Char/Misc fixes for 5.5-rc7
Here are some small fixes for 5.5-rc7
 
 Included here are:
 	- two lkdtm fixes
 	- coresight build fix
 	- Documentation update for the hw process document
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are some small fixes for 5.5-rc7

  Included here are:

   -  two lkdtm fixes

   -  coresight build fix

   -  Documentation update for the hw process document

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Documentation/process: Add Amazon contact for embargoed hardware issues
  lkdtm/bugs: fix build error in lkdtm_UNSET_SMEP
  lkdtm/bugs: Make double-fault test always available
  coresight: etm4x: Fix unused function warning
2020-01-18 12:08:57 -08:00
Matthew Wilcox (Oracle)
00ed452c21 XArray: Add xa_for_each_range
This function supports iterating over a range of an array.  Also add
documentation links for xa_for_each_start().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2020-01-17 22:33:37 -05:00
Ido Schimmel
1d0ee02b35 Documentation: Fix typo in devlink documentation
The driver is named "mlxsw", not "mlx5".

Fixes: d4255d7585 ("devlink: document info versions for each driver")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 13:09:55 +01:00
Florian Fainelli
080bb352fa net: phy: Maintain MDIO device and bus statistics
We maintain global statistics for an entire MDIO bus, as well as broken
down, per MDIO bus address statistics. Given that it is possible for
MDIO devices such as switches to access MDIO bus addresses for which
there is not a mdio_device instance created (therefore not a a
corresponding device directory in sysfs either), we also maintain
per-address statistics under the statistics folder. The layout looks
like this:

/sys/class/mdio_bus/../statistics/
	transfers
	errrors
	writes
	reads
	transfers_<addr>
	errors_<addr>
	writes_<addr>
	reads_<addr>

When a mdio_device instance is registered, a statistics/ folder is
created with the tranfers, errors, writes and reads attributes which
point to the appropriate MDIO bus statistics structure.

Statistics are 64-bit unsigned quantities and maintained through the
u64_stats_sync.h helper functions.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 11:12:44 +01:00
Jacob Keller
1ccf6c13d9 devlink: fix typos in qed documentation
Review of the recently added documentation file for the qed driver
noticed a couple of typos. Fix them now.

Noticed-by: Michal Kalderon <mkalderon@marvell.com>
Fixes: 0f261c3ca0 ("devlink: add a driver-specific file for the qed driver")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15 23:14:31 +01:00
Guillaume La Roque
2fe465e69d dt-bindings: net: bluetooth: add interrupts properties
add interrupts and interrupt-names as optional properties
to support host-wakeup by interrupt properties instead of
host-wakeup-gpios.

Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-01-15 22:32:23 +01:00
Linus Torvalds
51d6981751 platform-drivers-x86 for v5.5-3
* Fix keyboard brightness control for ASUS laptops
 * Better handling parameters of GPD pocket fan module to avoid thermal shock
 * Add IDs to PMC platform driver to support Intel Comet Lake
 * Fix potential dead lock in Mellanox TM FIFO driver and ABI documentation
 
 The following is an automated git shortlog grouped by driver:
 
 asus-wmi:
  -  Fix keyboard brightness cannot be set to 0
 
 Documentation/ABI:
  -  Add missed attribute for mlxreg-io sysfs interfaces
  -  Fix documentation inconsistency for mlxreg-io sysfs interfaces
 
 GPD pocket fan:
  -  Allow somewhat lower/higher temperature limits
  -  Use default values when wrong modparams are given
 
 intel-ips:
  -  Use the correct style for SPDX License Identifier
 
 intel_pmc_core:
  -  update Comet Lake platform driver
 
 platform/mellanox:
  -  fix potential deadlock in the tmfifo driver
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Merge tag 'platform-drivers-x86-v5.5-3' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver fixes from Andy Shevchenko:

 - Fix keyboard brightness control for ASUS laptops

 - Better handling parameters of GPD pocket fan module to avoid
   thermal shock

 - Add IDs to PMC platform driver to support Intel Comet Lake

 - Fix potential dead lock in Mellanox TM FIFO driver and ABI
   documentation

* tag 'platform-drivers-x86-v5.5-3' of git://git.infradead.org/linux-platform-drivers-x86:
  Documentation/ABI: Add missed attribute for mlxreg-io sysfs interfaces
  Documentation/ABI: Fix documentation inconsistency for mlxreg-io sysfs interfaces
  platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
  platform/x86: intel_pmc_core: update Comet Lake platform driver
  platform/x86: GPD pocket fan: Allow somewhat lower/higher temperature limits
  platform/x86: GPD pocket fan: Use default values when wrong modparams are given
  platform/mellanox: fix potential deadlock in the tmfifo driver
  platform/x86: intel-ips: Use the correct style for SPDX License Identifier
2020-01-15 11:30:50 -08:00
David Woodhouse
fb85145c04 Documentation/process: Add Amazon contact for embargoed hardware issues
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/da6467d2649339b42339124fd19a8a2f91cc00dd.camel@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-14 15:45:59 +01:00
Vadim Pasternak
f3efc406d6 Documentation/ABI: Add missed attribute for mlxreg-io sysfs interfaces
Add missed "cpld4_version" attribute.

Fixes: 52675da1d0 ("Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-01-13 21:04:33 +02:00
Vadim Pasternak
f409482677 Documentation/ABI: Fix documentation inconsistency for mlxreg-io sysfs interfaces
Fix attribute name from "jtag_enable", which described twice to
"cpld3_version", which is expected to be instead of second appearance
of "jtag_enable".

Fixes: 2752e34442 ("Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-01-13 21:04:33 +02:00
Linus Torvalds
6327edceb6 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Two driver bugfixes, a documentation fix, and a removal of a spec
  violation for the bus recovery algorithm in the core"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: fix bus recovery stop mode timing
  i2c: bcm2835: Store pointer to bus clock
  dt-bindings: i2c: at91: fix i2c-sda-hold-time-ns documentation for sam9x60
  i2c: at91: fix clk_offset for sam9x60
2020-01-11 15:40:43 -08:00
Jacob Keller
fb0c90ab92 doc: fix typo of snapshot in documentation
A couple of locations accidentally misspelled snapshot as shapshot.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-11 14:30:24 -08:00
Jacob Keller
9cd3e2c64f devlink: document region snapshot triggering from userspace
Now that devlink regions can be triggered via
DEVLINK_CMD_REGION_TRIGGER, document this in the devlink-region.rst
file.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
b7ec1eca71 devlink: introduce devlink-dpipe.rst documentation file
Primarily based on the DPIPE netdev conference paper, introduce a new
file to document the dpipe interface.

This likely needs further improvement, but is at least a good overall
start.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
a1af8e9a80 devlink: add a devlink-resource.rst documentation file
Take the little bit of documentation for resources from various commit
messages and combine it into a new devlink-resource.rst file.

This could probably be expanded on even further by someone with more
knowledge of how the devlink resources work.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
04e4272cb3 devlink: rename and expand devlink-trap-netdevsim.rst
Rename the trap-specific netdevimsim.rst file, and expand it to include
documentation of all the devlink features currently implemented by the
netdevsim driver code.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
cf4cb322d7 devlink: add documentation for ionic device driver
The IONIC device driver allocates a devlink and reports versions. Add
documentation for this driver.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Shannon Nelson <snelson@pensando.io>
Acked-by: Shannon Nelson <snelson@pensandi.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
0b0f945f54 devlink: add a file documenting devlink regions
Also document the regions created by the mlx4 driver. This is currently
the only in-tree driver that creates devlink region snapshots.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
0f261c3ca0 devlink: add a driver-specific file for the qed driver
The qed driver recently added devlink support with a single devlink
parameter. Add a driver-specific file to document the devlink features
that the qed driver supports.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Ariel Elior <aelior@marvell.com>
Cc: GR-everest-linux-l2@marvell.com
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:07:00 -08:00
Jacob Keller
ee7a711f32 devlink: add parameter documentation for the mlx4 driver
The mlx5 and mlxsw drivers have driver-specific documentation for the
devlink features they support. No such file was added for mlx4.

Add a file to document the mlx4 devlink support. Initially it contains
only the devlink parameters.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
d4255d7585 devlink: document info versions for each driver
Add the set of info versions reported by each device driver, including
a description of what the version represents, and what modes (fixed,
running, stored) it reports.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
6c39e015f8 devlink: convert driver-specific files to reStructuredText
Several drivers document what parameters they support in
a devlink-params-*.txt file. This file is supposed to contain both the
list of generic parameters implemented by the driver, as well as a list
of driver-specific parameters and their descriptions.

It would also be good if the driver documentation included other
driver-specific implementations, such as info versions, devlink
regions, and so forth.

Convert all of these documentation files to reStructuredText, and rename
them to just the driver name. Future changes will include other
driver-specific implementations. Each file will contain a table for the
generic parameters implemented, as well as a separate table for the
driver-specific parameters.

Future sections such as for devlink info versions will be added to these
files. This avoids creating additional devlink-<feature>-<driver> files
for each devlink feature, reducing clutter in the documentation folder.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Ido Schimmel <idosch@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
5948f85bbc devlink: mention reloading in devlink-params.rst
Mention that drivers must support devlink-reload in order for driverinit
parameters to function properly

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
d56a0c47a9 devlink: add documentation for generic devlink parameters
A few generic devlink parameters have been added, but never documented.
Fix that now.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
8559dc33a3 devlink: convert devlink-params.txt to reStructuredText
Convert the generic parameters descriptions into the reStructuredText
format.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
2dfaaae521 devlink: rename devlink-info-versions.rst and add a header
Rename the devlink-info-versions.rst file to a plain devlink-info.rst
file. Add additional paragraphs explaining what devlink-info is for,
and the expectation that drivers use the generic names where plausible.

Note that drivers which use non-standard info version names ought to
document these in a driver-specific info-versions.rst file.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
f7555fd199 devlink: convert devlink-health.txt to rst format
Update the devlink-health documentation to use the newer
ReStructuredText format.

Note that it's unclear what OOB stood for, and it has been left as-is
without a proper first-use expansion of the acronym.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
Jacob Keller
f4bdd71036 devlink: move devlink documentation to subfolder
Combine the documentation for devlink into a subfolder, and provide an
index.rst file that can be used to generally describe devlink.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-10 17:06:59 -08:00
David S. Miller
a2d6d7ae59 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The ungrafting from PRIO bug fixes in net, when merged into net-next,
merge cleanly but create a build failure.  The resolution used here is
from Petr Machata.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09 12:13:43 -08:00
Linus Torvalds
a5f48c7878 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Missing netns pointer init in arp_tables, from Florian Westphal.

 2) Fix normal tcp SACK being treated as D-SACK, from Pengcheng Yang.

 3) Fix divide by zero in sch_cake, from Wen Yang.

 4) Len passed to skb_put_padto() is wrong in qrtr code, from Carl
    Huang.

 5) cmd->obj.chunk is leaked in sctp code error paths, from Xin Long.

 6) cgroup bpf programs can be released out of order, fix from Roman
    Gushchin.

 7) Make sure stmmac debugfs entry name is changed when device name
    changes, from Jiping Ma.

 8) Fix memory leak in vlan_dev_set_egress_priority(), from Eric
    Dumazet.

 9) SKB leak in lan78xx usb driver, also from Eric Dumazet.

10) Ridiculous TCA_FQ_QUANTUM values configured can cause loops in fq
    packet scheduler, reject them. From Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  tipc: fix wrong connect() return code
  tipc: fix link overflow issue at socket shutdown
  netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
  netfilter: conntrack: dccp, sctp: handle null timeout argument
  atm: eni: fix uninitialized variable warning
  macvlan: do not assume mac_header is set in macvlan_broadcast()
  net: sch_prio: When ungrafting, replace with FIFO
  mlxsw: spectrum_qdisc: Ignore grafting of invisible FIFO
  MAINTAINERS: Remove myself as co-maintainer for qcom-ethqos
  gtp: fix bad unlock balance in gtp_encap_enable_socket
  pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
  tipc: remove meaningless assignment in Makefile
  tipc: do not add socket.o to tipc-y twice
  net: stmmac: dwmac-sun8i: Allow all RGMII modes
  net: stmmac: dwmac-sunxi: Allow all RGMII modes
  net: usb: lan78xx: fix possible skb leak
  net: stmmac: Fixed link does not need MDIO Bus
  vlan: vlan_changelink() should propagate errors
  vlan: fix memory leak in vlan_dev_set_egress_priority
  stmmac: debugfs entry name is not be changed when udev rename device name.
  ...
2020-01-09 10:34:07 -08:00
Jose Abreu
b053b28e93 Documentation: networking: Add stmmac to device drivers list
Add the stmmac RST file to the index.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:38:56 -08:00
Jose Abreu
2ffebffbe7 Documentation: networking: Convert stmmac documentation to RST format
Convert the documentation of the driver to RST format and delete the old
txt and old information that no longer applies.

Also, add some new information.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07 13:38:56 -08:00
Linus Torvalds
ec7b3f5372 spi: Fixes for v5.5
A small collection of fixes here, one to make the newly added PTP
 timestamping code more accurate, a few driver fixes and a fix for the
 core DT binding to document the fact that we support eight wire buses.
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Merge tag 'spi-fix-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small collection of fixes here, one to make the newly added PTP
  timestamping code more accurate, a few driver fixes and a fix for the
  core DT binding to document the fact that we support eight wire buses"

* tag 'spi-fix-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: Document Octal mode as valid SPI bus width
  spi: spi-dw: Add lock protect dw_spi rx/tx to prevent concurrent calls
  spi: spi-fsl-dspi: Fix 16-bit word order in 32-bit XSPI mode
  spi: Don't look at TX buffer for PTP system timestamping
  spi: uniphier: Fix FIFO threshold
2020-01-06 12:34:44 -08:00
Eugen Hristev
42052d96ae dt-bindings: i2c: at91: fix i2c-sda-hold-time-ns documentation for sam9x60
SAM9X60 also supports i2c-sda-hold-time-ns. Fix the documentation accordingly.

Fixes: 2034e3f4c9 ("dt-bindings: i2c: at91: add new compatible")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-01-06 15:34:07 +01:00
Vladimir Oltean
1511ed0a01 net: phylink: add support for polling MAC PCS
Some MAC PCS blocks are unable to provide interrupts when their status
changes. As we already have support in phylink for polling status, use
this to provide a hook for MACs to enable polling mode.

The patch idea was picked up from Russell King's suggestion on the macb
phylink patch thread here [0] but the implementation was changed.
Instead of introducing a new phylink_start_poll() function, which would
make the implementation cumbersome for common PHYLINK implementations
for multiple types of devices, like DSA, just add a boolean property to
the phylink_config structure, which is just as backwards-compatible.

https://lkml.org/lkml/2019/12/16/603

Suggested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-05 23:22:32 -08:00