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It is impossible to disable BQL individually today, since there is no
prompt for the Kconfig entry, so, the BQL is always enabled if SYSFS is
enabled.
Create a prompt entry for BQL, so, it could be enabled or disabled at
build time independently of SYSFS.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Heiner Kallweit says:
====================
net: phy: add support for the EEE 2 registers
This series adds support for the EEE 2 registers. Most relevant and
for now the only supported modes are 2500baseT and 5000baseT.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for handling the EEE advertisement 2 register.
For now only 2500baseT and 5000baseT modes are supported.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for reading EEE link partner ability 2 register.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add and use genphy_c45_read_eee_cap2(), complementing
genphy_c45_read_eee_cap1().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As a prerequisite for adding EEE CAP2 register support, complement
PHY_EEE_CAP1_FEATURES with PHY_EEE_CAP2_FEATURES.
For now only 2500baseT and 5000baseT modes are supported.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds helpers for accessing the EEE CAP2 registers.
For now only 2500baseT and 5000baseT modes are supported.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Aquantia AQR113 PHY ID. Aquantia AQR113 is just a chip size variant of
the already supported AQR133C where the only difference is the PHY ID
and the hw chip size.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove the duplicate calls to prueth_emac_stop() and
prueth_cleanup_tx_chns() in emac_ndo_stop().
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson says:
====================
ionic: add XDP support
This patchset is new support in ionic for XDP processing,
including basic XDP on Rx packets, TX and REDIRECT, and frags
for jumbo frames.
Since ionic has not yet been converted to use the page_pool APIs,
this uses the simple MEM_TYPE_PAGE_ORDER0 buffering. There are plans
to convert the driver in the near future.
v4:
- removed "inline" from short utility functions
- changed to use "goto err_out" in ionic_xdp_register_rxq_info()
- added "continue" to reduce nesting in ionic_xdp_queues_config()
- used xdp_prog in ionic_rx_clean() to flag whether or not to sync
the rx buffer after calling ionix_xdp_run()
- swapped order of XDP_TX and XDP_REDIRECT cases in ionic_xdp_run()
to make patch 6 a little cleaner
v3:
https://lore.kernel.org/netdev/20240210004827.53814-1-shannon.nelson@amd.com/
- removed budget==0 patch, sent it separately to net
v2:
https://lore.kernel.org/netdev/20240208005725.65134-1-shannon.nelson@amd.com/
- added calls to txq_trans_cond_update()
- added a new patch to catch NAPI budget==0
v1:
https://lore.kernel.org/netdev/20240130013042.11586-1-shannon.nelson@amd.com/
RFC:
https://lore.kernel.org/netdev/20240118192500.58665-1-shannon.nelson@amd.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for using scatter-gather / frags in XDP in both
Rx and Tx paths.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When our ndo_xdp_xmit is called we mark the buffer with
XDP_REDIRECT so we know to return it to the XDP stack for
cleaning.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The XDP_REDIRECT packets are given to the XDP stack and
we drop the use of the related page: it will get freed
by the driver that ends up doing the Tx. Because we have
some hardware configurations with limited queue resources,
we use the existing datapath Tx queues rather than creating
and managing a separate set of xdp_tx queues.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The XDP_TX packets get fed back into the Rx queue's partnered
Tx queue as an xdp_frame.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If an xdp program is loaded, add headroom at the beginning
of the frame to allow for editing and insertions that an XDP
program might need room for, and tailroom used later for XDP
frame tracking. These are only needed in the first Rx buffer
in a packet, not for any trailing frags.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Set up the basics for running Rx packets through XDP programs.
Add new queue setup and teardown steps for adding/removing an
XDP program, and add the call to run the XDP on a packet.
The XDP frame size needs to be the MTU plus standard ethernet
header, plus head room for XDP scribblings and tail room for a
struct skb_shared_info. Also, at this point, we don't support
XDP frags, only a single contiguous Rx buffer. This means
that our page splitting is not very useful, so when XDP is in
use we need to use the full Rx buffer size and not do sharing.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert Rx datapath handling to use the DMA range APIs
in preparation for adding XDP handling.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These helpers clean up some of the code around DMA mapping
and other buffer references, and will be used in the next
few patches for the XDP support.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We claim to have the AdminQ on our irq0 and thus cpu id 0,
but we need to be sure we set the affinity hint to try to
keep it there.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.
Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Claudiu Beznea says:
====================
net: ravb: Add runtime PM support (part 2)
Series adds runtime PM support for the ravb driver. This is a continuation
of [1].
There are 5 more preparation patches (patches 1-5) and patch 6
adds runtime PM support.
Patches in this series were part of [2].
Changes in v4:
- remove unnecessary code from patch 4/6
- improve the code in patch 5/6
Changes in v3:
- fixed typos
- added patch "net: ravb: Move the update of ndev->features to
ravb_set_features()"
- changes title of patch "net: ravb: Do not apply RX checksum
settings to hardware if the interface is down" from v2 into
"net: ravb: Do not apply features to hardware if the interface
is down", changed patch description and updated the patch
- collected tags
Changes in v2:
- address review comments
- in patch 4/5 take into account the latest changes introduced
in ravb_set_features_gbeth()
Changes since [2]:
- patch 1/5 is new
- use pm_runtime_get_noresume() and pm_runtime_active() in patches
3/5, 4/5
- fixed higlighted typos in patch 4/5
[1] https://lore.kernel.org/all/20240202084136.3426492-1-claudiu.beznea.uj@bp.renesas.com/
[2] https://lore.kernel.org/all/20240105082339.1468817-1-claudiu.beznea.uj@bp.renesas.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add runtime PM support for the ravb driver. As the driver is used by
different IP variants, with different behaviors, to be able to have the
runtime PM support available for all devices, the preparatory commits
moved all the resources parsing and allocations in the driver's probe
function and kept the settings for ravb_open(). This is due to the fact
that on some IP variants-platforms tuples disabling/enabling the clocks
will switch the IP to the reset operation mode where register contents is
lost and reconfiguration needs to be done. For this the rabv_open()
function enables the clocks, switches the IP to configuration mode, applies
all the register settings and switches the IP to the operational mode. At
the end of ravb_open() IP is ready to send/receive data.
In ravb_close() necessary reverts are done (compared with ravb_open()), the
IP is switched to reset mode and clocks are disabled.
The ethtool APIs or IOCTLs that might execute while the interface is down
are either cached (and applied in ravb_open()) or rejected (as at that time
the IP is in reset mode). Keeping the IP in the reset mode also increases
the power saved (according to the hardware manual).
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Do not apply features to hardware if the interface is down. In case runtime
PM is enabled, and while the interface is down, the IP will be in reset
mode (as for some platforms disabling the clocks will switch the IP to
reset mode, which will lead to losing register contents) and applying
settings in reset mode is not an option. Instead, cache the features and
apply them in ravb_open() through ravb_emac_init().
To avoid accessing the hardware while the interface is down
pm_runtime_active() check was introduced. Along with it the device runtime
PM usage counter has been incremented to avoid disabling the device clocks
while the check is in progress (if any).
Commit prepares for the addition of runtime PM.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit c2da9408579d ("ravb: Add Rx checksum offload support for GbEth")
introduced support for setting GbEth features. With this the IP-specific
features update functions update the ndev->features individually.
Next commits add runtime PM support for the ravb driver. The runtime PM
implementation will enable/disable the IP clocks on
the ravb_open()/ravb_close() functions. Accessing the IP registers with
clocks disabled blocks the system.
The ravb_set_features() function could be executed when the Ethernet
interface is closed so we need to ensure we don't access IP registers while
the interface is down when runtime PM support will be in place.
For these, move the update of ndev->features to ravb_set_features(). In
this way we update the ndev->features only when the IP-specific features
set function returns success and we can avoid code duplication when
introducing runtime PM registers protection.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Return the cached statistics in case the interface is down. There should be
no drawback to this, as cached statistics are updated in ravb_close().
In order to avoid accessing the IP registers while the IP is runtime
suspended pm_runtime_active() check was introduced. The device runtime
PM usage counter has been incremented to avoid disabling the device clocks
while the check is in progress (if any).
The commit prepares the code for the addition of runtime PM support.
Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Keep the reverse order of operations in ravb_close() when compared with
ravb_open(). This is the recommended configuration sequence.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 4th argument of ravb_setup_irq() is used to save the IRQ number that
will be further used by the driver code. Not all ravb_setup_irqs() calls
need to save the IRQ number. The previous code used to pass a dummy
variable as the 4th argument in case the IRQ is not needed for further
usage. That is not necessary as the code from ravb_setup_irq() can detect
by itself if the IRQ needs to be saved. Thus, get rid of the code that is
not needed.
Reported-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of Jakub's tests[1] shows that there may be period all ports
are down and no active slave. This makes the new_active_slave null
and the test fails. Add a check to make sure the new active is not null.
[ 189.051966] br0: port 2(s1) entered disabled state
[ 189.317881] bond0: (slave eth1): link status definitely down, disabling slave
[ 189.318487] bond0: (slave eth2): making interface the new active one
[ 190.435430] br0: port 4(s2) entered disabled state
[ 190.773786] bond0: (slave eth0): link status definitely down, disabling slave
[ 190.774204] bond0: (slave eth2): link status definitely down, disabling slave
[ 190.774715] bond0: now running without any active interface!
[ 190.877760] bond0: (slave eth0): link status definitely up
[ 190.878098] bond0: (slave eth0): making interface the new active one
[ 190.878495] bond0: active interface up!
[ 191.802872] br0: port 4(s2) entered blocking state
[ 191.803157] br0: port 4(s2) entered forwarding state
[ 191.813756] bond0: (slave eth2): link status definitely up
[ 192.847095] br0: port 2(s1) entered blocking state
[ 192.847396] br0: port 2(s1) entered forwarding state
[ 192.853740] bond0: (slave eth1): link status definitely up
# TEST: prio (active-backup ns_ip6_target primary_reselect 1) [FAIL]
# Current active slave is null but not eth0
[1] https://netdev-3.bots.linux.dev/vmksft-bonding/results/464481/1-bond-options-sh/stdout
Fixes: 45bf79bc56c4 ("selftests: bonding: reduce garp_test/arp_validate test time")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code block under the "!ds->user_mii_bus && ds->ops->phy_read" check
under dsa_switch_setup() populates ds->user_mii_bus. The use of
ds->user_mii_bus is inappropriate when the MDIO bus of the switch is
described on the device tree [1].
For this reason, use this code block only for switches [with MDIO bus]
probed on platform_data, and OF which the switch MDIO bus isn't described
on the device tree. Therefore, remove OF-based MDIO bus registration as
it's useless for these cases.
These subdrivers which control switches [with MDIO bus] probed on OF, will
lose the ability to register the MDIO bus OF-based:
drivers/net/dsa/b53/b53_common.c
drivers/net/dsa/lan9303-core.c
drivers/net/dsa/vitesse-vsc73xx-core.c
These subdrivers let the DSA core driver register the bus:
- ds->ops->phy_read() and ds->ops->phy_write() are present.
- ds->user_mii_bus is not populated.
The commit fe7324b93222 ("net: dsa: OF-ware slave_mii_bus") which brought
OF-based MDIO bus registration on the DSA core driver is reasonably recent
and, in this time frame, there have been no device trees in the Linux
repository that started describing the MDIO bus, or dt-bindings defining
the MDIO bus for the switches these subdrivers control. So I don't expect
any devices to be affected.
The logic we encourage is that all subdrivers should register the switch
MDIO bus on their own [2]. And, for subdrivers which control switches [with
MDIO bus] probed on OF, this logic must be followed to support all cases
properly:
No switch MDIO bus defined: Populate ds->user_mii_bus, register the MDIO
bus, set the interrupts for PHYs if "interrupt-controller" is defined at
the switch node. This case should only be covered for the switches which
their dt-bindings documentation didn't document the MDIO bus from the
start. This is to keep supporting the device trees that do not describe the
MDIO bus on the device tree but the MDIO bus is being used nonetheless.
Switch MDIO bus defined: Don't populate ds->user_mii_bus, register the MDIO
bus, set the interrupts for PHYs if ["interrupt-controller" is defined at
the switch node and "interrupts" is defined at the PHY nodes under the
switch MDIO bus node].
Switch MDIO bus defined but explicitly disabled: If the device tree says
status = "disabled" for the MDIO bus, we shouldn't need an MDIO bus at all.
Instead, just exit as early as possible and do not call any MDIO API.
After all subdrivers that control switches with MDIO buses are made to
register the MDIO buses on their own, we will be able to get rid of
dsa_switch_ops :: phy_read() and :: phy_write(), and the code block for
registering the MDIO bus on the DSA core driver.
Link: https://lore.kernel.org/netdev/20231213120656.x46fyad6ls7sqyzv@skbuf/ [1]
Link: https://lore.kernel.org/netdev/20240103184459.dcbh57wdnlox6w7d@skbuf/ [2]
Suggested-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Acked-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20240213-for-netnext-dsa-mdio-bus-v2-1-0ff6f4823a9e@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add genetlink family bind()/unbind() callbacks when adding/removing
multicast group to/from netlink client socket via setsockopt() or
bind() syscall.
They can be used to track if consumers of netlink multicast messages
emerge or disappear. Thus, a client implementing callbacks, can now
send events only when there are active consumers, preventing unnecessary
work when none exist.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240212161615.161935-2-stanislaw.gruszka@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The debug.config file is really great to easily enable a bunch of
general debugging features on a CI-like setup. But it would be great to
also include core networking debugging config.
A few CI's validating features from the Net tree also enable a few other
debugging options on top of debug.config. A small selection is quite
generic for the whole net tree. They validate some assumptions in
different parts of the core net tree. As suggested by Jakub Kicinski in
[1], having them added to this debug.config file would help other CIs
using network features to find bugs in this area.
Note that the two REFCNT configs also select REF_TRACKER, which doesn't
seem to be an issue.
Link: https://lore.kernel.org/netdev/20240202093148.33bd2b14@kernel.org/T/ [1]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240212-kconfig-debug-enable-net-v1-1-fb026de8174c@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- af_unix: fix task hung while purging oob_skb in GC
- pds_core: do not try to run health-thread in VF path
Current release - new code bugs:
- sched: act_mirred: don't zero blockid when net device is being deleted
Previous releases - regressions:
- netfilter:
- nat: restore default DNAT behavior
- nf_tables: fix bidirectional offload, broken when unidirectional
offload support was added
- openvswitch: limit the number of recursions from action sets
- eth: i40e: do not allow untrusted VF to remove administratively
set MAC address
Previous releases - always broken:
- tls: fix races and bugs in use of async crypto
- mptcp: prevent data races on some of the main socket fields,
fix races in fastopen handling
- dpll: fix possible deadlock during netlink dump operation
- dsa: lan966x: fix crash when adding interface under a lag
when some of the ports are disabled
- can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock
Misc:
- handful of fixes and reliability improvements for selftests
- fix sysfs documentation missing net/ in paths
- finish the work of squashing the missing MODULE_DESCRIPTION()
warnings in networking
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can, wireless and netfilter.
Current release - regressions:
- af_unix: fix task hung while purging oob_skb in GC
- pds_core: do not try to run health-thread in VF path
Current release - new code bugs:
- sched: act_mirred: don't zero blockid when net device is being
deleted
Previous releases - regressions:
- netfilter:
- nat: restore default DNAT behavior
- nf_tables: fix bidirectional offload, broken when unidirectional
offload support was added
- openvswitch: limit the number of recursions from action sets
- eth: i40e: do not allow untrusted VF to remove administratively set
MAC address
Previous releases - always broken:
- tls: fix races and bugs in use of async crypto
- mptcp: prevent data races on some of the main socket fields, fix
races in fastopen handling
- dpll: fix possible deadlock during netlink dump operation
- dsa: lan966x: fix crash when adding interface under a lag when some
of the ports are disabled
- can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock
Misc:
- a handful of fixes and reliability improvements for selftests
- fix sysfs documentation missing net/ in paths
- finish the work of squashing the missing MODULE_DESCRIPTION()
warnings in networking"
* tag 'net-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (92 commits)
net: fill in MODULE_DESCRIPTION()s for missing arcnet
net: fill in MODULE_DESCRIPTION()s for mdio_devres
net: fill in MODULE_DESCRIPTION()s for ppp
net: fill in MODULE_DESCRIPTION()s for fddik/skfp
net: fill in MODULE_DESCRIPTION()s for plip
net: fill in MODULE_DESCRIPTION()s for ieee802154/fakelb
net: fill in MODULE_DESCRIPTION()s for xen-netback
net: ravb: Count packets instead of descriptors in GbEth RX path
pppoe: Fix memory leak in pppoe_sendmsg()
net: sctp: fix skb leak in sctp_inq_free()
net: bcmasp: Handle RX buffer allocation failure
net-timestamp: make sk_tskey more predictable in error path
selftests: tls: increase the wait in poll_partial_rec_async
ice: Add check for lport extraction to LAG init
netfilter: nf_tables: fix bidirectional offload regression
netfilter: nat: restore default DNAT behavior
netfilter: nft_set_pipapo: fix missing : in kdoc
igc: Remove temporary workaround
igb: Fix string truncation warnings in igb_set_fw_version
can: netlink: Fix TDCO calculation using the old data bittiming
...
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Merge tag 'for-linus-6.8a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Fixes and simple cleanups:
- use a proper flexible array instead of a one-element array in order
to avoid array-bounds sanitizer errors
- add NULL pointer checks after allocating memory
- use memdup_array_user() instead of open-coding it
- fix a rare race condition in Xen event channel allocation code
- make struct bus_type instances const
- make kerneldoc inline comments match reality"
* tag 'for-linus-6.8a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: close evtchn after mapping cleanup
xen/gntalloc: Replace UAPI 1-element array
xen: balloon: make balloon_subsys const
xen: pcpu: make xen_pcpu_subsys const
xen/privcmd: Use memdup_array_user() in alloc_ioreq()
x86/xen: Add some null pointer checking to smp.c
xen/xenbus: document will_handle argument for xenbus_watch_path()
In commit 4356e9f841f7 ("work around gcc bugs with 'asm goto' with
outputs") I did the gcc workaround unconditionally, because the cause of
the bad code generation wasn't entirely clear.
In the meantime, Jakub Jelinek debugged the issue, and has come up with
a fix in gcc [2], which also got backported to the still maintained
branches of gcc-11, gcc-12 and gcc-13.
Note that while the fix technically wasn't in the original gcc-14
branch, Jakub says:
"while it is true that no GCC 14 snapshots until today (or whenever the
fix will be committed) have the fix, for GCC trunk it is up to the
distros to use the latest snapshot if they use it at all and would
allow better testing of the kernel code without the workaround, so
that if there are other issues they won't be discovered years later.
Most userland code doesn't actually use asm goto with outputs..."
so we will consider gcc-14 to be fixed - if somebody is using gcc
snapshots of the gcc-14 before the fix, they should upgrade.
Note that while the bug goes back to gcc-11, in practice other gcc
changes seem to have effectively hidden it since gcc-12.1 as per a
bisect by Jakub. So even a gcc-14 snapshot without the fix likely
doesn't show actual problems.
Also, make the default 'asm_goto_output()' macro mark the asm as
volatile by hand, because of an unrelated gcc issue [1] where it doesn't
match the documented behavior ("asm goto is always volatile").
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103979 [1]
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113921 [2]
Link: https://lore.kernel.org/all/20240208220604.140859-1-seanjc@google.com/
Requested-by: Jakub Jelinek <jakub@redhat.com>
Cc: Uros Bizjak <ubizjak@gmail.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Andrew Pinski <quic_apinski@quicinc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Improve devlink dependency parsing for DT graphs
- Fix devlink handling of io-channels dependencies
- Fix PCI addressing in marvell,prestera example
- A few schema fixes for property constraints
- Improve performance of DT unprobed devices kselftest
- Fix regression in DT_SCHEMA_FILES handling
- Fix compile error in unittest for !OF_DYNAMIC
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Merge tag 'devicetree-fixes-for-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Improve devlink dependency parsing for DT graphs
- Fix devlink handling of io-channels dependencies
- Fix PCI addressing in marvell,prestera example
- A few schema fixes for property constraints
- Improve performance of DT unprobed devices kselftest
- Fix regression in DT_SCHEMA_FILES handling
- Fix compile error in unittest for !OF_DYNAMIC
* tag 'devicetree-fixes-for-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: ufs: samsung,exynos-ufs: Add size constraints on "samsung,sysreg"
of: property: Add in-ports/out-ports support to of_graph_get_port_parent()
of: property: Improve finding the supplier of a remote-endpoint property
of: property: Improve finding the consumer of a remote-endpoint property
net: marvell,prestera: Fix example PCI bus addressing
of: unittest: Fix compile in the non-dynamic case
of: property: fix typo in io-channels
dt-bindings: tpm: Drop type from "resets"
dt-bindings: display: nxp,tda998x: Fix 'audio-ports' constraints
dt-bindings: xilinx: replace Piyush Mehta maintainership
kselftest: dt: Stop relying on dirname to improve performance
dt-bindings: don't anchor DT_SCHEMA_FILES to bindings directory
A smallish collection of fixes for SPI, all driver specific, plus one
device ID addition for a new Intel part. The ppc4xx isn't routinely
covered by most of the automated testing so there were some errors that
were missed in some of the recent API conversions, otherwise there's
nothing super remarkable here.
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Merge tag 'spi-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A smallish collection of fixes for SPI, all driver specific, plus one
device ID addition for a new Intel part.
The ppc4xx isn't routinely covered by most of the automated testing so
there were some errors that were missed in some of the recent API
conversions, otherwise there's nothing super remarkable here"
* tag 'spi-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi-mxs: Fix chipselect glitch
spi: intel-pci: Add support for Lunar Lake-M SPI serial flash
spi: omap2-mcspi: Revert FIFO support without DMA
spi: ppc4xx: Drop write-only variable
spi: ppc4xx: Fix fallout from rename in struct spi_bitbang
spi: ppc4xx: Fix fallout from include cleanup
spi: spi-ppc4xx: include missing platform_device.h
spi: imx: fix the burst length at DMA mode and CPU mode
Guenter runs a lot of KUnit tests so noticed that there were a couple of
the regmap tests, including the newly added noinc test, which could show
spurious failures due to the use of randomly generated test values.
These changes handle the randomly generated data properly.
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Merge tag 'regmap-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap test fixes from Mark Brown:
"Guenter runs a lot of KUnit tests so noticed that there were a couple
of the regmap tests, including the newly added noinc test, which could
show spurious failures due to the use of randomly generated test
values. These changes handle the randomly generated data properly"
* tag 'regmap-fix-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: kunit: Ensure that changed bytes are actually different
regmap: kunit: fix raw noinc write test wrapping
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-02-06 (igb, igc)
This series contains updates to igb and igc drivers.
Kunwu Chan adjusts firmware version string implementation to resolve
possible NULL pointer issue for igb.
Sasha removes workaround on igc.
* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
igc: Remove temporary workaround
igb: Fix string truncation warnings in igb_set_fw_version
====================
Link: https://lore.kernel.org/r/20240214180347.3219650-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Breno Leitao says:
====================
Fix MODULE_DESCRIPTION() for net (p6)
There are a few network modules left that misses MODULE_DESCRIPTION(),
causing a warnning when compiling with W=1. Example:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/net/arcnet/....
This last patchset solves the problem for all the missing driver. It is
not expect to see any warning for the driver/net and net/ directory once
all these patches have landed.
v1: https://lore.kernel.org/all/20240213112122.404045-1-leitao@debian.org/
====================
Link: https://lore.kernel.org/r/20240214152741.670178-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the ARC modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-8-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PHY MDIO helpers.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240214152741.670178-7-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PPP modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-6-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the SysKonnect FDDI PCI module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-5-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PLIP (parallel port) network module
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-4-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the IEEE 802.15.4 loopback driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-3-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Xen backend network module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20240214152741.670178-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
