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Some APs misbehave when TWT is used and cause our firmware to crash.
We don't know a reasonable way to detect and work around this problem
in the FW yet. To prevent these crashes, disable TWT in the driver by
stopping to advertise TWT support.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215523
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
[reworded the commit message]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20220301072926.153969-1-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If CONFIG_RFKILL is not set, the Intel WiFi driver will not build
the iw_mvm driver part due to the missing rfill_soft_blocked()
call. Adding a inline declaration of rfill_soft_blocked() if
CONFIG_RFKILL=n fixes the following error:
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h: In function 'iwl_mvm_mei_set_sw_rfkill_state':
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:2215:38: error: implicit declaration of function 'rfkill_soft_blocked'; did you mean 'rfkill_blocked'? [-Werror=implicit-function-declaration]
2215 | mvm->hw_registered ? rfkill_soft_blocked(mvm->hw->wiphy->rfkill) : false;
| ^~~~~~~~~~~~~~~~~~~
| rfkill_blocked
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reported-by: Neill Whillans <neill.whillans@codethink.co.uk>
Fixes: 5bc9a9dd7535 ("rfkill: allow to get the software rfkill state")
Link: https://lore.kernel.org/r/20220218093858.1245677-1-ben.dooks@codethink.co.uk
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It was the intention to reverse the bits, not make them all zero by
using logical NOT operator.
Fixes: cc19db8b312a ("MIPS: ralink: mt7621: do memory detection on KSEG1")
Suggested-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Roopa Prabhu says:
====================
vxlan metadata device vnifiltering support
This series adds vnifiltering support to vxlan collect metadata device.
Motivation:
You can only use a single vxlan collect metadata device for a given
vxlan udp port in the system today. The vxlan collect metadata device
terminates all received vxlan packets. As shown in the below diagram,
there are use-cases where you need to support multiple such vxlan devices in
independent bridge domains. Each vxlan device must terminate the vni's
it is configured for.
Example usecase: In a service provider network a service provider
typically supports multiple bridge domains with overlapping vlans.
One bridge domain per customer. Vlans in each bridge domain are
mapped to globally unique vxlan ranges assigned to each customer.
This series adds vnifiltering support to collect metadata devices to
terminate only configured vnis. This is similar to vlan filtering in
bridge driver. The vni filtering capability is provided by a new flag on
collect metadata device.
In the below pic:
- customer1 is mapped to br1 bridge domain
- customer2 is mapped to br2 bridge domain
- customer1 vlan 10-11 is mapped to vni 1001-1002
- customer2 vlan 10-11 is mapped to vni 2001-2002
- br1 and br2 are vlan filtering bridges
- vxlan1 and vxlan2 are collect metadata devices with
vnifiltering enabled
┌──────────────────────────────────────────────────────────────────┐
│ switch │
│ │
│ ┌───────────┐ ┌───────────┐ │
│ │ │ │ │ │
│ │ br1 │ │ br2 │ │
│ └┬─────────┬┘ └──┬───────┬┘ │
│ vlans│ │ vlans │ │ │
│ 10,11│ │ 10,11│ │ │
│ │ vlanvnimap: │ vlanvnimap: │
│ │ 10-1001,11-1002 │ 10-2001,11-2002 │
│ │ │ │ │ │
│ ┌──────┴┐ ┌──┴─────────┐ ┌───┴────┐ │ │
│ │ swp1 │ │vxlan1 │ │ swp2 │ ┌┴─────────────┐ │
│ │ │ │ vnifilter:│ │ │ │vxlan2 │ │
│ └───┬───┘ │ 1001,1002│ └───┬────┘ │ vnifilter: │ │
│ │ └────────────┘ │ │ 2001,2002 │ │
│ │ │ └──────────────┘ │
│ │ │ │
└───────┼──────────────────────────────────┼───────────────────────┘
│ │
│ │
┌─────┴───────┐ │
│ customer1 │ ┌─────┴──────┐
│ host/VM │ │customer2 │
└─────────────┘ │ host/VM │
└────────────┘
v2:
- remove stale xstats declarations pointed out by Nikolay Aleksandrov
- squash selinux patch with the tunnel api patch as pointed out by
benjamin poirier
- Fix various build issues:
Reported-by: kernel test robot <lkp@intel.com>
v3:
- incorporate review feedback from Jakub
- move rhashtable declarations to c file
- define and use netlink policy for top level vxlan filter api
- fix unused stats function warning
- pass vninode from vnifilter lookup into stats count function
to avoid another lookup (only applicable to vxlan_rcv)
- fix missing vxlan vni delete notifications in vnifilter uninit
function
- misc cleanups
- remote dev check for multicast groups added via vnifiltering api
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for VXLAN vni filter entries' stats dumping
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add per-vni statistics for vni filter mode. Counting Rx/Tx
bytes/packets/drops/errors at the appropriate places.
This patch changes vxlan_vs_find_vni to also return the
vxlan_vni_node in cases where the vni belongs to a vni
filtering vxlan device
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds a new test script test_vxlan_vnifiltering.sh
with tests for vni filtering api, various datapath tests.
Also has a test with a mix of traditional, metadata and vni
filtering devices inuse at the same time.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds vnifiltering support to collect metadata device.
Motivation:
You can only use a single vxlan collect metadata device for a given
vxlan udp port in the system today. The vxlan collect metadata device
terminates all received vxlan packets. As shown in the below diagram,
there are use-cases where you need to support multiple such vxlan devices in
independent bridge domains. Each vxlan device must terminate the vni's
it is configured for.
Example usecase: In a service provider network a service provider
typically supports multiple bridge domains with overlapping vlans.
One bridge domain per customer. Vlans in each bridge domain are
mapped to globally unique vxlan ranges assigned to each customer.
vnifiltering support in collect metadata devices terminates only configured
vnis. This is similar to vlan filtering in bridge driver. The vni filtering
capability is provided by a new flag on collect metadata device.
In the below pic:
- customer1 is mapped to br1 bridge domain
- customer2 is mapped to br2 bridge domain
- customer1 vlan 10-11 is mapped to vni 1001-1002
- customer2 vlan 10-11 is mapped to vni 2001-2002
- br1 and br2 are vlan filtering bridges
- vxlan1 and vxlan2 are collect metadata devices with
vnifiltering enabled
┌──────────────────────────────────────────────────────────────────┐
│ switch │
│ │
│ ┌───────────┐ ┌───────────┐ │
│ │ │ │ │ │
│ │ br1 │ │ br2 │ │
│ └┬─────────┬┘ └──┬───────┬┘ │
│ vlans│ │ vlans │ │ │
│ 10,11│ │ 10,11│ │ │
│ │ vlanvnimap: │ vlanvnimap: │
│ │ 10-1001,11-1002 │ 10-2001,11-2002 │
│ │ │ │ │ │
│ ┌──────┴┐ ┌──┴─────────┐ ┌───┴────┐ │ │
│ │ swp1 │ │vxlan1 │ │ swp2 │ ┌┴─────────────┐ │
│ │ │ │ vnifilter:│ │ │ │vxlan2 │ │
│ └───┬───┘ │ 1001,1002│ └───┬────┘ │ vnifilter: │ │
│ │ └────────────┘ │ │ 2001,2002 │ │
│ │ │ └──────────────┘ │
│ │ │ │
└───────┼──────────────────────────────────┼───────────────────────┘
│ │
│ │
┌─────┴───────┐ │
│ customer1 │ ┌─────┴──────┐
│ host/VM │ │customer2 │
└─────────────┘ │ host/VM │
└────────────┘
With this implementation, vxlan dst metadata device can
be associated with range of vnis.
struct vxlan_vni_node is introduced to represent
a configured vni. We start with vni and its
associated remote_ip in this structure. This
structure can be extended to bring in other
per vni attributes if there are usecases for it.
A vni inherits an attribute from the base vxlan device
if there is no per vni attributes defined.
struct vxlan_dev gets a new rhashtable for
vnis called vxlan_vni_group. vxlan_vnifilter.c
implements the necessary netlink api, notifications
and helper functions to process and manage lifecycle
of vxlan_vni_node.
This patch also adds new helper functions in vxlan_multicast.c
to handle per vni remote_ip multicast groups which are part
of vxlan_vni_group.
Fix build problems:
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds new rtm tunnel msg and api for tunnel id
filtering in dst_metadata devices. First dst_metadata
device to use the api is vxlan driver with AF_BRIDGE
family.
This and later changes add ability in vxlan driver to do
tunnel id filtering (or vni filtering) on dst_metadata
devices. This is similar to vlan api in the vlan filtering bridge.
this patch includes selinux nlmsg_route_perms support for RTM_*TUNNEL
api from Benjamin Poirier.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch changes multicast helpers to take rip and ifindex as input.
This is needed in future patches where rip can come from a pervni
structure while the ifindex can come from the vxlan device.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves some fdb helpers to non-static
for use in later patches. Ideally, all fdb code
could move into its own file vxlan_fdb.c.
This can be done as a subsequent patch and is out
of scope of this series.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves common structures and global declarations
to a shared private headerfile vxlan_private.h. Subsequent
patches use this header file as a common header file for
additional shared declarations.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the below build warnings reported by kernel test robot:
- initialize vni in vxlan_xmit_one
- wrap label in ipv6 enabled checks in vxlan_xmit_one
warnings:
static
drivers/net/vxlan/vxlan_core.c:2437:14: warning: variable 'label' set
but not used [-Wunused-but-set-variable]
__be32 vni, label;
^
>> drivers/net/vxlan/vxlan_core.c:2483:7: warning: variable 'vni' is
used uninitialized whenever 'if' condition is true
[-Wsometimes-uninitialized]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
vxlan.c has grown too long. This patch moves
it to its own directory. subsequent patches add new
functionality in new files.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-02-28
This series contains updates to igc and e1000e drivers.
Corinna Vinschen ensures release of hardware sempahore on failed
register read in igc_read_phy_reg_gpy().
Sasha does the same for the write variant, igc_write_phy_reg_gpy(). On
e1000e, he resolves an issue with hardware unit hang on s0ix exit
by disabling some bits and LAN connected device reset during power
management flows. Lastly, he allows for TGP platforms to correct its
NVM checksum.
v2: Fix Fixes tag on patch 3
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Saeed Mahameed says:
====================
mlx5-next 2022-22-02
The following PR includes updates to mlx5-next branch:
Headlines:
==========
1) Jakub cleans up unused static inline functions
2) I did some low level firmware command interface return status changes to
provide the caller with full visibility on the error/status returned by
the Firmware.
3) Use the new command interface in RDMA DEVX usecases to avoid flooding
dmesg with some "expected" user error prone use cases.
4) Moshe also uses the new command interface to grab the specific error
code from MFRL register command to provide the exact error reason for
why SW reset couldn't perform internally in FW.
5) From Mark Bloch: Lag, drop packets in hardware when possible
In active-backup mode the inactive interface's packets are dropped by the
bond device. In switchdev where TC rules are offloaded to the FDB
this can lead to packets being hit in the FDB where without offload
they would have been dropped before reaching TC rules in the kernel.
Create a drop rule to make sure packets on inactive ports are dropped
before reaching the FDB.
Listen on NETDEV_CHANGEUPPER / NETDEV_CHANGEINFODATA events and record
the inactive state and offload accordingly.
* 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
net/mlx5: Add clarification on sync reset failure
net/mlx5: Add reset_state field to MFRL register
RDMA/mlx5: Use new command interface API
net/mlx5: cmdif, Refactor error handling and reporting of async commands
net/mlx5: Use mlx5_cmd_do() in core create_{cq,dct}
net/mlx5: cmdif, Add new api for command execution
net/mlx5: cmdif, cmd_check refactoring
net/mlx5: cmdif, Return value improvements
net/mlx5: Lag, offload active-backup drops to hardware
net/mlx5: Lag, record inactive state of bond device
net/mlx5: Lag, don't use magic numbers for ports
net/mlx5: Lag, use local variable already defined to access E-Switch
net/mlx5: E-switch, add drop rule support to ingress ACL
net/mlx5: E-switch, remove special uplink ingress ACL handling
net/mlx5: E-Switch, reserve and use same uplink metadata across ports
net/mlx5: Add ability to insert to specific flow group
mlx5: remove unused static inlines
====================
Link: https://lore.kernel.org/r/20220223233930.319301-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When CONFIG_BPF_JIT_ALWAYS_ON is enabled, /proc/sys/net/core/bpf_jit_enable
is permanently set to 1 and setting any other value than that will return
failure.
Add the above description in the help text of config BPF_JIT_ALWAYS_ON, and
then we can distinguish between BPF_JIT_ALWAYS_ON and BPF_JIT_DEFAULT_ON.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/1645523826-18149-2-git-send-email-yangtiezhu@loongson.cn
Update MAC type check e1000_pch_tgp because for e1000_pch_cnp,
NVM checksum update is still possible.
Emit a more detailed warning message.
Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1191663
Fixes: 4051f68318ca ("e1000e: Do not take care about recovery NVM checksum")
Reported-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Disable the OEM bit/Gig Disable/restart AN impact and disable the PHY
LAN connected device (LCD) reset during power management flows. This
fixes possible HW unit hangs on the s0ix exit on some corporate ADL
platforms.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=214821
Fixes: 3e55d231716e ("e1000e: Add handshake with the CSME to support S0ix")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Suggested-by: Nir Efrati <nir.efrati@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Netfilter assumes its called with rcu_read_lock held, but in egress
hook case it may be called with BH readlock.
This triggers lockdep splat.
In order to avoid to change all rcu_dereference() to
rcu_dereference_check(..., rcu_read_lock_bh_held()), wrap nf_hook_slow
with read lock/unlock pair.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The code changes address mostly minor problems:
- Several NXP/FSL SoC driver fixes, addressing issues with error
handling and compilation
- Fix a clock disabling imbalance in gpcv2 driver.
- Arm Juno DMA coherency issue
- Trivial firmware driver fixes for op-tee and scmi firmware
The remaining changes address issues in the devicetree files:
- a timer regression for the OMAP devkit8000, which has to use
the alternative timer.
- A hang in the i.MX8MM power domain configuration
- Multiple fixes for the Rockchip RK3399 addressing issues
with sound and eMMC
- Cosmetic fixes for i.MX8ULP, RK3xxx, and Tegra124
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Merge tag 'soc-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The code changes address mostly minor problems:
- Several NXP/FSL SoC driver fixes, addressing issues with error
handling and compilation
- Fix a clock disabling imbalance in gpcv2 driver.
- Arm Juno DMA coherency issue
- Trivial firmware driver fixes for op-tee and scmi firmware
The remaining changes address issues in the devicetree files:
- A timer regression for the OMAP devkit8000, which has to use the
alternative timer.
- A hang in the i.MX8MM power domain configuration
- Multiple fixes for the Rockchip RK3399 addressing issues with sound
and eMMC
- Cosmetic fixes for i.MX8ULP, RK3xxx, and Tegra124"
* tag 'soc-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: tegra: Move panels to AUX bus
soc: imx: gpcv2: Fix clock disabling imbalance in error path
soc: fsl: qe: Check of ioremap return value
soc: fsl: qe: fix typo in a comment
soc: fsl: guts: Add a missing memory allocation failure check
soc: fsl: guts: Revert commit 3c0d64e867ed
soc: fsl: Correct MAINTAINERS database (SOC)
soc: fsl: Correct MAINTAINERS database (QUICC ENGINE LIBRARY)
soc: fsl: Replace kernel.h with the necessary inclusions
dt-bindings: fsl,layerscape-dcfg: add missing compatible for lx2160a
dt-bindings: qoriq-clock: add missing compatible for lx2160a
ARM: dts: Use 32KiHz oscillator on devkit8000
ARM: dts: switch timer config to common devkit8000 devicetree
tee: optee: fix error return code in probe function
arm64: dts: imx8ulp: Set #thermal-sensor-cells to 1 as required
arm64: dts: imx8mm: Fix VPU Hanging
ARM: dts: rockchip: fix a typo on rk3288 crypto-controller
ARM: dts: rockchip: reorder rk322x hmdi clocks
firmware: arm_scmi: Remove space in MODULE_ALIAS name
arm64: dts: agilex: use the compatible "intel,socfpga-agilex-hsotg"
...
- don't treat valid hartid U32_MAX as a failure return code (RISC-V)
- avoid blocking query_variable_info() call when blocking is not allowed
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Merge tag 'efi-urgent-for-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- don't treat valid hartid U32_MAX as a failure return code (RISC-V)
- avoid blocking query_variable_info() call when blocking is not
allowed
* tag 'efi-urgent-for-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efivars: Respect "block" flag in efivar_entry_set_safe()
riscv/efi_stub: Fix get_boot_hartid_from_fdt() return value
Changes introduced since the merge window in the spi subsystem and
available at:
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-remove-void
make the remove() callback for spi return void rather than int, breaking
the newly added dm9051 driver fail to build. This patch fixes this
issue, converting the remove() function provided by the driver to return
void.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
[Rewrote commit message -- broonie]
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220228173957.1262628-2-broonie@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This series from Uwe Kleine-König converts the spi remove function to
return void since there is nothing useful that we can do with a failure
and it as more buses are converted it'll enable further work on the
driver core.
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Merge tag 'spi-remove-void' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Mark Brown says:
====================
spi: Make remove() return void
This series from Uwe Kleine-König converts the spi remove function to
return void since there is nothing useful that we can do with a failure
and it as more buses are converted it'll enable further work on the
driver core.
====================
Link: https://lore.kernel.org/r/20220228173957.1262628-2-broonie@kernel.org/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a missing colon to fix the document style.
Fixes: 88691e9e1ef5 ("bpf, docs: Split general purpose eBPF documentation out of filter.rst")
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220228080416.1689327-1-wanjiabing@vivo.com
For binaries that are statically linked, consecutive stack frames are
likely to be in the same VMA and therefore have the same build id.
On a real-world workload, we observed that 66% of CPU cycles in
__bpf_get_stackid() were spent on build_id_parse() and find_vma().
As an optimization for this case, we can cache the previous frame's
VMA, if the new frame has the same VMA as the previous one, reuse the
previous one's build id.
We are holding the MM locks as reader across the entire loop, so we
don't need to worry about VMA going away.
Tested through "stacktrace_build_id" and "stacktrace_build_id_nmi" in
test_progs.
Suggested-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Hao Luo <haoluo@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/bpf/20220224000531.1265030-1-haoluo@google.com
Similar to "igc_read_phy_reg_gpy: drop premature return" patch.
igc_write_phy_reg_gpy checks the return value from igc_write_phy_reg_mdic
and if it's not 0, returns immediately. By doing this, it leaves the HW
semaphore in the acquired state.
Drop this premature return statement, the function returns after
releasing the semaphore immediately anyway.
Fixes: 5586838fe9ce ("igc: Add code for PHY support")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Reported-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
igc_read_phy_reg_gpy checks the return value from igc_read_phy_reg_mdic
and if it's not 0, returns immediately. By doing this, it leaves the HW
semaphore in the acquired state.
Drop this premature return statement, the function returns after
releasing the semaphore immediately anyway.
Fixes: 5586838fe9ce ("igc: Add code for PHY support")
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
When a BPF map of type BPF_MAP_TYPE_PERF_EVENT_ARRAY doesn't have the
max_entries parameter set, the map will be created with max_entries set
to the number of available CPUs. When we try to reuse such a pinned map,
map_is_reuse_compat will return false, as max_entries in the map
definition differs from max_entries of the existing map, causing the
following error:
libbpf: couldn't reuse pinned map at '/sys/fs/bpf/m_logging': parameter mismatch
Fix this by overwriting max_entries in the map definition. For this to
work, we need to do this in bpf_object__create_maps, before calling
bpf_object__reuse_map.
Fixes: 57a00f41644f ("libbpf: Add auto-pinning of maps when loading BPF objects")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20220225152355.315204-1-stijn@linux-ipv6.be
Now atomic tests will attach fentry program and run it through
bpf_prog_test_run_opts(), but attaching fentry program depends on BPF
trampoline which is only available under x86-64. Considering many archs
have atomic support, using raw_tp program instead.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220217072232.1186625-5-houtao1@huawei.com
Atomics for eBPF patch series adds support for atomic[64]_fetch_add,
atomic[64]_[fetch_]{and,or,xor} and atomic[64]_{xchg|cmpxchg}, but it
only adds support for x86-64, so support these atomic operations for
arm64 as well.
Basically the implementation procedure is almost mechanical translation
of code snippets in atomic_ll_sc.h & atomic_lse.h & cmpxchg.h located
under arch/arm64/include/asm.
When LSE atomic is unavailable, an extra temporary register is needed for
(BPF_ADD | BPF_FETCH) to save the value of src register, instead of adding
TMP_REG_4 just use BPF_REG_AX instead. Also make emit_lse_atomic() as an
empty inline function when CONFIG_ARM64_LSE_ATOMICS is disabled.
For cpus_have_cap(ARM64_HAS_LSE_ATOMICS) case and no-LSE-ATOMICS case, the
following three tests: "./test_verifier", "./test_progs -t atomic" and
"insmod ./test_bpf.ko" are exercised and passed.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220217072232.1186625-4-houtao1@huawei.com
Will Deacon says:
====================
On Tue, Feb 22, 2022 at 10:38:02PM +0000, Will Deacon wrote:
> On Thu, 17 Feb 2022 15:22:28 +0800, Hou Tao wrote:
> > Atomics support in bpf has already been done by "Atomics for eBPF"
> > patch series [1], but it only adds support for x86, and this patchset
> > adds support for arm64.
> >
> > Patch #1 & patch #2 are arm64 related. Patch #1 moves the common used
> > macro AARCH64_BREAK_FAULT into insn-def.h for insn.h. Patch #2 adds
> > necessary encoder helpers for atomic operations.
> >
> > [...]
>
> Applied to arm64 (for-next/insn), thanks!
>
> [1/4] arm64: move AARCH64_BREAK_FAULT into insn-def.h
> https://git.kernel.org/arm64/c/97e58e395e9c
> [2/4] arm64: insn: add encoders for atomic operations
> https://git.kernel.org/arm64/c/fa1114d9eba5
Daniel -- let's give this a day or so in -next, then if nothing catches
fire you're more than welcome to pull this branch as a base for the rest
of the series.
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220222224211.GB16976@willie-the-truck
Because the OUTPUT variable ends with a slash but CURDIR doesn't, to keep
the _OUTPUT value consistent, we add a trailing slash to CURDIR when
defining _OUTPUT variable.
Since the _OUTPUT variable holds a value ending with a trailing slash,
there is no need to add another one when defining BOOTSTRAP_OUTPUT and
LIBBPF_OUTPUT variables. Likewise, when defining LIBBPF_INCLUDE and
LIBBPF_BOOTSTRAP_INCLUDE, we shouldn't add an extra slash either for the
same reason.
When building libbpf, the value of the DESTDIR argument should also not
end with a trailing slash.
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20220226163815.520133-1-ytcoode@gmail.com
early_param() handlers should return 0 on success.
__setup() handlers should return 1 on success, i.e., the parameter
has been handled. A return of 0 would cause the "option=value" string
to be added to init's environment strings, polluting it.
../arch/arm/mm/mmu.c: In function 'test_early_cachepolicy':
../arch/arm/mm/mmu.c:215:1: error: no return statement in function returning non-void [-Werror=return-type]
../arch/arm/mm/mmu.c: In function 'test_noalign_setup':
../arch/arm/mm/mmu.c:221:1: error: no return statement in function returning non-void [-Werror=return-type]
Fixes: b849a60e0903 ("ARM: make cr_alignment read-only #ifndef CONFIG_CPU_CP15")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
BTF mismatch can occur for a separately-built module even when the ABI is
otherwise compatible and nothing else would prevent successfully loading.
Add a new Kconfig to control how mismatches are handled. By default, preserve
the current behavior of refusing to load the module. If MODULE_ALLOW_BTF_MISMATCH
is enabled, load the module but ignore its BTF information.
Suggested-by: Yonghong Song <yhs@fb.com>
Suggested-by: Michal Suchánek <msuchanek@suse.de>
Signed-off-by: Connor O'Brien <connoro@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/CAADnVQJ+OVPnBz8z3vNu8gKXX42jCUqfuvhWAyCQDu8N_yqqwQ@mail.gmail.com
Link: https://lore.kernel.org/bpf/20220223012814.1898677-1-connoro@google.com
insn_to_jit_off passed to bpf_prog_fill_jited_linfo() is calculated in
instruction granularity instead of bytes granularity, but BPF line info
requires byte offset.
bpf_prog_fill_jited_linfo() will be the last user of ctx.offset before
it is freed, so convert the offset into byte-offset before calling into
bpf_prog_fill_jited_linfo() in order to fix the line info dump on arm64.
Fixes: 37ab566c178d ("bpf: arm64: Enable arm64 jit to provide bpf_line_info")
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220226121906.5709-3-houtao1@huawei.com
BPF line info needs ctx->offset to be the instruction offset in the whole JITed
image instead of the body itself, so also call build_prologue() first in first
JIT pass.
Fixes: 37ab566c178d ("bpf: arm64: Enable arm64 jit to provide bpf_line_info")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220226121906.5709-2-houtao1@huawei.com
As all users of phylink_set_pcs() have now been updated to use the
mac_select_pcs() method, it can be removed from the phylink kernel
API and its functionality moved into phylink_major_config().
Removing phylink_set_pcs() gives us a single approach for attaching
a PCS within phylink.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
All users of the felix driver were creating their own prevalidate_phy_mode
function. The same logic can be performed in a more general way by using a
simple array of bit fields.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Suggested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An IPA build problem arose in the linux-next tree the other day.
The problem is that a recent commit adds a new dependency on some
code, and the Kconfig file for IPA doesn't reflect that dependency.
As a result, some configurations can fail to build (particularly
when COMPILE_TEST is enabled).
The recent patch adds calls to qmp_get(), qmp_put(), and qmp_send(),
and those are built based on the QCOM_AOSS_QMP config option. If
that symbol is not defined, stubs are defined, so we just need to
ensure QCOM_AOSS_QMP is compatible with QCOM_IPA, or it's not
defined.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: 34a081761e4e3 ("net: ipa: request IPA register values be retained")
Signed-off-by: Alex Elder <elder@linaro.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
