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When the MAC is connected to a 10 Mb/s PHY and the PTP clock is derived
from the MAC reference clock (default), the clk_ptp_rate becomes too
small and the calculated sub second increment becomes 0 when computed by
the stmmac_config_sub_second_increment() function within
stmmac_init_tstamp_counter().
Therefore, the subsequent div_u64 in stmmac_init_tstamp_counter()
operation triggers a divide by 0 exception as shown below.
[ 95.062067] socfpga-dwmac ff700000.ethernet eth0: Register MEM_TYPE_PAGE_POOL RxQ-0
[ 95.076440] socfpga-dwmac ff700000.ethernet eth0: PHY [stmmac-0:08] driver [NCN26000] (irq=49)
[ 95.095964] dwmac1000: Master AXI performs any burst length
[ 95.101588] socfpga-dwmac ff700000.ethernet eth0: No Safety Features support found
[ 95.109428] Division by zero in kernel.
[ 95.113447] CPU: 0 PID: 239 Comm: ifconfig Not tainted 6.1.0-rc7-centurion3-1.0.3.0-01574-gb624218205b7-dirty #77
[ 95.123686] Hardware name: Altera SOCFPGA
[ 95.127695] unwind_backtrace from show_stack+0x10/0x14
[ 95.132938] show_stack from dump_stack_lvl+0x40/0x4c
[ 95.137992] dump_stack_lvl from Ldiv0+0x8/0x10
[ 95.142527] Ldiv0 from __aeabi_uidivmod+0x8/0x18
[ 95.147232] __aeabi_uidivmod from div_u64_rem+0x1c/0x40
[ 95.152552] div_u64_rem from stmmac_init_tstamp_counter+0xd0/0x164
[ 95.158826] stmmac_init_tstamp_counter from stmmac_hw_setup+0x430/0xf00
[ 95.165533] stmmac_hw_setup from __stmmac_open+0x214/0x2d4
[ 95.171117] __stmmac_open from stmmac_open+0x30/0x44
[ 95.176182] stmmac_open from __dev_open+0x11c/0x134
[ 95.181172] __dev_open from __dev_change_flags+0x168/0x17c
[ 95.186750] __dev_change_flags from dev_change_flags+0x14/0x50
[ 95.192662] dev_change_flags from devinet_ioctl+0x2b4/0x604
[ 95.198321] devinet_ioctl from inet_ioctl+0x1ec/0x214
[ 95.203462] inet_ioctl from sock_ioctl+0x14c/0x3c4
[ 95.208354] sock_ioctl from vfs_ioctl+0x20/0x38
[ 95.212984] vfs_ioctl from sys_ioctl+0x250/0x844
[ 95.217691] sys_ioctl from ret_fast_syscall+0x0/0x4c
[ 95.222743] Exception stack(0xd0ee1fa8 to 0xd0ee1ff0)
[ 95.227790] 1fa0: 00574c4f be9aeca4 00000003 00008914 be9aeca4 be9aec50
[ 95.235945] 1fc0: 00574c4f be9aeca4 0059f078 00000036 be9aee8c be9aef7a 00000015 00000000
[ 95.244096] 1fe0: 005a01f0 be9aec38 004d7484 b6e67d74
Signed-off-by: Piergiorgio Beruto <piergiorgio.beruto@gmail.com>
Fixes: 91a2559c1d ("net: stmmac: Fix sub-second increment")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/de4c64ccac9084952c56a06a8171d738604c4770.1670678513.git.piergiorgio.beruto@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In mcs_register_interrupts(), a call to request_irq() is not balanced by a
corresponding free_irq(), neither in the error handling path, nor in the
remove function.
Add the missing calls.
Fixes: 6c635f78c4 ("octeontx2-af: cn10k: mcs: Handle MCS block interrupts")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/69f153db5152a141069f990206e7389f961d41ec.1670693669.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The current DSA maintainers are Florian Fainelli, Andrew Lunn and Vladimir
Oltean. Update the hellcreek binding accordingly.
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221212081546.6916-1-kurt@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
tso_count_descs() is a small function doing simple calculation,
and tso_count_descs() is used in fast path, so inline it to
reduce the overhead of calls.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Link: https://lore.kernel.org/r/20221212032426.16050-1-linyunsheng@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ptp_classify_raw() is not exactly cheap, since it invokes a BPF program
for every skb in the receive path. For switches which do not provide
ds->ops->port_rxtstamp(), running ptp_classify_raw() provides precisely
nothing, so check for the presence of the function pointer first, since
that is much cheaper.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20221209175840.390707-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Vladimir Oltean says:
====================
Trace points for mv88e6xxx
While testing Hans Schultz' attempt at offloading MAB on mv88e6xxx:
https://patchwork.kernel.org/project/netdevbpf/cover/20221205185908.217520-1-netdev@kapio-technology.com/
I noticed that he still didn't get rid of the huge log spam caused by
ATU and VTU violations, even if we discussed about this:
https://patchwork.kernel.org/project/netdevbpf/cover/20221112203748.68995-1-netdev@kapio-technology.com/#25091076
It seems unlikely he's going to ever do this, so here is my own stab at
converting those messages to trace points. This is IMO an improvement
regardless of whether Hans' work with MAB lands or not, especially the
VTU violations which were quite annoying to me as well.
A small sample of before:
$ ./bridge_locked_port.sh lan1 lan2 lan3 lan4
[ 114.465272] mv88e6085 d0032004.mdio-mii:10: VTU member violation for vid 100, source port 9
[ 119.550508] mv88e6xxx_g1_vtu_prob_irq_thread_fn: 34 callbacks suppressed
[ 120.369586] mv88e6085 d0032004.mdio-mii:10: VTU member violation for vid 100, source port 9
[ 120.473658] mv88e6085 d0032004.mdio-mii:10: VTU member violation for vid 100, source port 9
[ 125.535209] mv88e6xxx_g1_vtu_prob_irq_thread_fn: 21 callbacks suppressed
[ 125.535243] mv88e6085 d0032004.mdio-mii:10: VTU member violation for vid 100, source port 9
[ 126.174558] mv88e6085 d0032004.mdio-mii:10: VTU member violation for vid 100, source port 9
[ 130.234055] mv88e6085 d0032004.mdio-mii:10: ATU miss violation for 00:01:02:03:04:01 fid 3 portvec 4 spid 2
[ 130.338193] mv88e6085 d0032004.mdio-mii:10: ATU miss violation for 00:01:02:03:04:01 fid 3 portvec 4 spid 2
[ 134.626099] mv88e6xxx_g1_atu_prob_irq_thread_fn: 38 callbacks suppressed
[ 134.626132] mv88e6085 d0032004.mdio-mii:10: ATU miss violation for 00:01:02:03:04:01 fid 3 portvec 4 spid 2
and after:
$ trace-cmd record -e mv88e6xxx ./bridge_locked_port.sh lan1 lan2 lan3 lan4
$ trace-cmd report
irq/35-moxtet-60 [001] 93.929734: mv88e6xxx_vtu_miss_violation: dev d0032004.mdio-mii:10 spid 9 vid 100
irq/35-moxtet-60 [001] 94.183209: mv88e6xxx_vtu_miss_violation: dev d0032004.mdio-mii:10 spid 9 vid 100
irq/35-moxtet-60 [001] 101.865545: mv88e6xxx_vtu_miss_violation: dev d0032004.mdio-mii:10 spid 9 vid 100
irq/35-moxtet-60 [001] 121.831261: mv88e6xxx_vtu_member_violation: dev d0032004.mdio-mii:10 spid 9 vid 100
irq/35-moxtet-60 [001] 122.371238: mv88e6xxx_vtu_member_violation: dev d0032004.mdio-mii:10 spid 9 vid 100
irq/35-moxtet-60 [001] 148.452932: mv88e6xxx_atu_miss_violation: dev d0032004.mdio-mii:10 spid 2 portvec 0x4 addr 00:01:02:03:04:01 fid 0
v1 at:
https://patchwork.kernel.org/project/netdevbpf/cover/20221207233954.3619276-1-vladimir.oltean@nxp.com/
====================
Link: https://lore.kernel.org/r/20221209172817.371434-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It is possible to trigger these VTU violation messages very easily,
it's only necessary to send packets with an unknown VLAN ID to a port
that belongs to a VLAN-aware bridge.
Do a similar thing as for ATU violation messages, and hide them in the
kernel's trace buffer.
New usage model:
$ trace-cmd list | grep mv88e6xxx
mv88e6xxx
mv88e6xxx:mv88e6xxx_vtu_miss_violation
mv88e6xxx:mv88e6xxx_vtu_member_violation
$ trace-cmd report
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In applications where the switch ports must perform 802.1X based
authentication and are therefore locked, ATU violation interrupts are
quite to be expected as part of normal operation. The problem is that
they currently spam the kernel log, even if rate limited.
Create a series of trace points, all derived from the same event class,
which log these violations to the kernel's trace buffer, which is both
much faster and much easier to ignore than printing to a serial console.
New usage model:
$ trace-cmd list | grep mv88e6xxx
mv88e6xxx
mv88e6xxx:mv88e6xxx_atu_full_violation
mv88e6xxx:mv88e6xxx_atu_miss_violation
mv88e6xxx:mv88e6xxx_atu_member_violation
$ trace-cmd record -e mv88e6xxx sleep 10
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When an ATU violation occurs, the switch uses the ATU FID register to
report the FID of the MAC address that incurred the violation. It would
be good for the driver to know the FID value for purposes such as
logging and CPU-based authentication.
Up until now, the driver has been calling the mv88e6xxx_g1_atu_op()
function to read ATU violations, but that doesn't do exactly what we
want, namely it calls mv88e6xxx_g1_atu_fid_write() with FID 0.
(side note, the documentation for the ATU Get/Clear Violation command
says that writes to the ATU FID register have no effect before the
operation starts, it's only that we disregard the value that this
register provides once the operation completes)
So mv88e6xxx_g1_atu_fid_write() is not what we want, but rather
mv88e6xxx_g1_atu_fid_read(). However, the latter doesn't exist, we need
to write it.
The remainder of mv88e6xxx_g1_atu_op() except for
mv88e6xxx_g1_atu_fid_write() is still needed, namely to send a
GET_CLR_VIOLATION command to the ATU. In principle we could have still
kept calling mv88e6xxx_g1_atu_op(), but the MDIO writes to the ATU FID
register are pointless, but in the interest of doing less CPU work per
interrupt, write a new function called mv88e6xxx_g1_read_atu_violation()
and call it.
The FID will be the port default FID as set by mv88e6xxx_port_set_fid()
if the VID from the packet cannot be found in the VTU. Otherwise it is
the FID derived from the VTU entry associated with that VID.
Signed-off-by: Hans J. Schultz <netdev@kapio-technology.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, the MV88E6XXX_PORT_ASSOC_VECTOR_INT_AGE_OUT bit (interrupt on
age out) is not enabled by the driver, and as a result, the print for
age out violations is dead code.
Remove it until there is some way for this to be triggered.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'x86_alternatives_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 alternative update from Borislav Petkov:
"A single alternatives patching fix for modules:
- Have alternatives patch the same sections in modules as in vmlinux"
* tag 'x86_alternatives_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternative: Consistently patch SMP locks in vmlinux and modules
- Add another MCE severity error case to the Intel error severity
table to promote UC and AR errors to panic severity and remove the
corresponding code condition doing that.
- Make sure the thresholding and deferred error interrupts on AMD SMCA
systems clear the all registers reporting an error so that there are no
multiple errors logged for the same event
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Merge tag 'ras_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Borislav Petkov:
- Fix confusing output from /sys/kernel/debug/ras/daemon_active
- Add another MCE severity error case to the Intel error severity table
to promote UC and AR errors to panic severity and remove the
corresponding code condition doing that.
- Make sure the thresholding and deferred error interrupts on AMD SMCA
systems clear the all registers reporting an error so that there are
no multiple errors logged for the same event
* tag 'ras_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
RAS: Fix return value from show_trace()
x86/mce: Use severity table to handle uncorrected errors in kernel
x86/MCE/AMD: Clear DFR errors found in THR handler
- Add a new VID/PID 0489/e0f2 for MT7922
- Add Realtek RTL8852BE support ID 0x0cb8:0xc559
- Add a new PID/VID 13d3/3549 for RTL8822CU
- Add support for broadcom BCM43430A0 & BCM43430A1
- Add CONFIG_BT_HCIBTUSB_POLL_SYNC
- Add CONFIG_BT_LE_L2CAP_ECRED
- Add support for CYW4373A0
- Add support for RTL8723DS
- Add more device IDs for WCN6855
- Add Broadcom BCM4377 family PCIe Bluetooth
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Merge tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- Add a new VID/PID 0489/e0f2 for MT7922
- Add Realtek RTL8852BE support ID 0x0cb8:0xc559
- Add a new PID/VID 13d3/3549 for RTL8822CU
- Add support for broadcom BCM43430A0 & BCM43430A1
- Add CONFIG_BT_HCIBTUSB_POLL_SYNC
- Add CONFIG_BT_LE_L2CAP_ECRED
- Add support for CYW4373A0
- Add support for RTL8723DS
- Add more device IDs for WCN6855
- Add Broadcom BCM4377 family PCIe Bluetooth
* tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (51 commits)
Bluetooth: Wait for HCI_OP_WRITE_AUTH_PAYLOAD_TO to complete
Bluetooth: ISO: Avoid circular locking dependency
Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: btintel: Fix missing free skb in btintel_setup_combined()
Bluetooth: hci_conn: Fix crash on hci_create_cis_sync
Bluetooth: btintel: Fix existing sparce warnings
Bluetooth: btusb: Fix existing sparce warning
Bluetooth: btusb: Fix new sparce warnings
Bluetooth: btusb: Add a new PID/VID 13d3/3549 for RTL8822CU
Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x0cb8:0xc559
dt-bindings: net: realtek-bluetooth: Add RTL8723DS
Bluetooth: btusb: Add a new VID/PID 0489/e0f2 for MT7922
dt-bindings: bluetooth: broadcom: add BCM43430A0 & BCM43430A1
Bluetooth: hci_bcm4377: Fix missing pci_disable_device() on error in bcm4377_probe()
...
====================
Link: https://lore.kernel.org/r/20221212222322.1690780-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drop this forced built-in only configuration by disentangling it from
GHES. Work by Jia He.
- The usual small cleanups and improvements all over EDAC land
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Merge tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Make ghes_edac a simple module like the rest of the EDAC drivers and
drop the forced built-in only configuration by disentangling it from
GHES (Jia He)
- The usual small cleanups and improvements all over EDAC land
* tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
EDAC/i5400: Fix typo in comment: vaious -> various
EDAC/mc_sysfs: Increase legacy channel support to 12
MAINTAINERS: Make Mauro EDAC reviewer
MAINTAINERS: Make Manivannan Sadhasivam the maintainer of qcom_edac
EDAC/igen6: Return the correct error type when not the MC owner
apei/ghes: Use xchg_release() for updating new cache slot instead of cmpxchg()
EDAC: Check for GHES preference in the chipset-specific EDAC drivers
EDAC/ghes: Make ghes_edac a proper module
EDAC/ghes: Prepare to make ghes_edac a proper module
EDAC/ghes: Add a notifier for reporting memory errors
efi/cper: Export several helpers for ghes_edac to use
EDAC/i5000: Mark as BROKEN
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
1) Incorrect error check in nft_expr_inner_parse(), from Dan Carpenter.
2) Add DATA_SENT state to SCTP connection tracking helper, from
Sriram Yagnaraman.
3) Consolidate nf_confirm for ipv4 and ipv6, from Florian Westphal.
4) Add bitmask support for ipset, from Vishwanath Pai.
5) Handle icmpv6 redirects as RELATED, from Florian Westphal.
6) Add WARN_ON_ONCE() to impossible case in flowtable datapath,
from Li Qiong.
7) A large batch of IPVS updates to replace timer-based estimators by
kthreads to scale up wrt. CPUs and workload (millions of estimators).
Julian Anastasov says:
This patchset implements stats estimation in kthread context.
It replaces the code that runs on single CPU in timer context every 2
seconds and causing latency splats as shown in reports [1], [2], [3].
The solution targets setups with thousands of IPVS services,
destinations and multi-CPU boxes.
Spread the estimation on multiple (configured) CPUs and multiple
time slots (timer ticks) by using multiple chains organized under RCU
rules. When stats are not needed, it is recommended to use
run_estimation=0 as already implemented before this change.
RCU Locking:
- As stats are now RCU-locked, tot_stats, svc and dest which
hold estimator structures are now always freed from RCU
callback. This ensures RCU grace period after the
ip_vs_stop_estimator() call.
Kthread data:
- every kthread works over its own data structure and all
such structures are attached to array. For now we limit
kthreads depending on the number of CPUs.
- even while there can be a kthread structure, its task
may not be running, eg. before first service is added or
while the sysctl var is set to an empty cpulist or
when run_estimation is set to 0 to disable the estimation.
- the allocated kthread context may grow from 1 to 50
allocated structures for timer ticks which saves memory for
setups with small number of estimators
- a task and its structure may be released if all
estimators are unlinked from its chains, leaving the
slot in the array empty
- every kthread data structure allows limited number
of estimators. Kthread 0 is also used to initially
calculate the max number of estimators to allow in every
chain considering a sub-100 microsecond cond_resched
rate. This number can be from 1 to hundreds.
- kthread 0 has an additional job of optimizing the
adding of estimators: they are first added in
temp list (est_temp_list) and later kthread 0
distributes them to other kthreads. The optimization
is based on the fact that newly added estimator
should be estimated after 2 seconds, so we have the
time to offload the adding to chain from controlling
process to kthread 0.
- to add new estimators we use the last added kthread
context (est_add_ktid). The new estimators are linked to
the chains just before the estimated one, based on add_row.
This ensures their estimation will start after 2 seconds.
If estimators are added in bursts, common case if all
services and dests are initially configured, we may
spread the estimators to more chains and as result,
reducing the initial delay below 2 seconds.
Many thanks to Jiri Wiesner for his valuable comments
and for spending a lot of time reviewing and testing
the changes on different platforms with 48-256 CPUs and
1-8 NUMA nodes under different cpufreq governors.
The new IPVS estimators do not use workqueue infrastructure
because:
- The estimation can take long time when using multiple IPVS rules (eg.
millions estimator structures) and especially when box has multiple
CPUs due to the for_each_possible_cpu usage that expects packets from
any CPU. With est_nice sysctl we have more control how to prioritize the
estimation kthreads compared to other processes/kthreads that have
latency requirements (such as servers). As a benefit, we can see these
kthreads in top and decide if we will need some further control to limit
their CPU usage (max number of structure to estimate per kthread).
- with kthreads we run code that is read-mostly, no write/lock
operations to process the estimators in 2-second intervals.
- work items are one-shot: as estimators are processed every
2 seconds, they need to be re-added every time. This again
loads the timers (add_timer) if we use delayed works, as there are
no kthreads to do the timings.
[1] Report from Yunhong Jiang:
https://lore.kernel.org/netdev/D25792C1-1B89-45DE-9F10-EC350DC04ADC@gmail.com/
[2] https://marc.info/?l=linux-virtual-server&m=159679809118027&w=2
[3] Report from Dust:
https://archive.linuxvirtualserver.org/html/lvs-devel/2020-12/msg00000.html
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
ipvs: run_estimation should control the kthread tasks
ipvs: add est_cpulist and est_nice sysctl vars
ipvs: use kthreads for stats estimation
ipvs: use u64_stats_t for the per-cpu counters
ipvs: use common functions for stats allocation
ipvs: add rcu protection to stats
netfilter: flowtable: add a 'default' case to flowtable datapath
netfilter: conntrack: set icmpv6 redirects as RELATED
netfilter: ipset: Add support for new bitmask parameter
netfilter: conntrack: merge ipv4+ipv6 confirm functions
netfilter: conntrack: add sctp DATA_SENT state
netfilter: nft_inner: fix IS_ERR() vs NULL check
====================
Link: https://lore.kernel.org/r/20221211101204.1751-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Fix up ptrace interface to protection keys register (PKRU)
* Avoid undefined compiler behavior with TYPE_ALIGN
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Merge tag 'x86_fpu_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Dave Hansen:
"There are two little fixes in here, one to give better XSAVE warnings
and another to address some undefined behavior in offsetof().
There is also a collection of patches to fix some issues with ptrace
and the protection keys register (PKRU). PKRU is a real oddity because
it is exposed in the XSAVE-related ABIs, but it is generally managed
without using XSAVE in the kernel. This fix thankfully came with a
selftest to ward off future regressions.
Summary:
- Clarify XSAVE consistency warnings
- Fix up ptrace interface to protection keys register (PKRU)
- Avoid undefined compiler behavior with TYPE_ALIGN"
* tag 'x86_fpu_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Use _Alignof to avoid undefined behavior in TYPE_ALIGN
selftests/vm/pkeys: Add a regression test for setting PKRU through ptrace
x86/fpu: Emulate XRSTOR's behavior if the xfeatures PKRU bit is not set
x86/fpu: Allow PKRU to be (once again) written by ptrace.
x86/fpu: Add a pkru argument to copy_uabi_to_xstate()
x86/fpu: Add a pkru argument to copy_uabi_from_kernel_to_xstate().
x86/fpu: Take task_struct* in copy_sigframe_from_user_to_xstate()
x86/fpu/xstate: Fix XSTATE_WARN_ON() to emit relevant diagnostics
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Merge tag 'x86_splitlock_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 splitlock updates from Dave Hansen:
"Add a sysctl to control the split lock misery mode.
This enables users to reduce the penalty inflicted on split lock
users. There are some proprietary, binary-only games which became
entirely unplayable with the old penalty.
Anyone opting into the new mode is, of course, more exposed to the DoS
nasitness inherent with split locks, but they can play their games
again"
* tag 'x86_splitlock_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/split_lock: Add sysctl to control the misery mode
* Remove unnecessary arch_has_empty_bitmaps structure memory
* Move rescrtl MSR defines into msr-index.h, like normal MSRs
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Merge tag 'x86_cache_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Dave Hansen:
"These declare the resource control (rectrl) MSRs a bit more normally
and clean up an unnecessary structure member:
- Remove unnecessary arch_has_empty_bitmaps structure memory
- Move rescrtl MSR defines into msr-index.h, like normal MSRs"
* tag 'x86_cache_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Move MSR defines into msr-index.h
x86/resctrl: Remove arch_has_empty_bitmaps
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Merge tag 'x86_tdx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 tdx updates from Dave Hansen:
"This includes a single chunk of new functionality for TDX guests which
allows them to talk to the trusted TDX module software and obtain an
attestation report.
This report can then be used to prove the trustworthiness of the guest
to a third party and get access to things like storage encryption
keys"
* tag 'x86_tdx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/tdx: Test TDX attestation GetReport support
virt: Add TDX guest driver
x86/tdx: Add a wrapper to get TDREPORT0 from the TDX Module
This make sure HCI_OP_WRITE_AUTH_PAYLOAD_TO completes before notifying
the encryption change just as is done with HCI_OP_READ_ENC_KEY_SIZE.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 81be03e026 ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 9238f36a5a ("Bluetooth: Add request cmd_complete and cmd_status functions")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 43eb12d789 ("Bluetooth: Fix/implement Three-wire reliable packet sending")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 166d2f6a43 ("[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 0ff252c197 ("Bluetooth: hciuart: Add support QCA chipset for UART")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: 803b58367f ("Bluetooth: btusb: Implement driver internal packet reassembly")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
skb allocated by __hci_cmd_sync would not be used whether in checking
for supported iBT hardware variants or after, we should free it in all
error branches, this patch makes the case read version failed or default
error case free skb before return.
Fixes: c86c7285bb ("Bluetooth: btintel: Fix the legacy bootloader returns tlv based version")
Fixes: 019a1caa7f ("Bluetooth: btintel: Refactoring setup routine for bootloader devices")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When attempting to connect multiple ISO sockets without using
DEFER_SETUP may result in the following crash:
BUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0
Read of size 2 at addr 0000000000000036 by task kworker/u3:1/50
CPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted
6.0.0-rc7-02243-gb84a13ff4eda #4373
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.16.0-1.fc36 04/01/2014
Workqueue: hci0 hci_cmd_sync_work
Call Trace:
<TASK>
dump_stack_lvl+0x19/0x27
kasan_report+0xbc/0xf0
? hci_create_cis_sync+0x18b/0x2b0
hci_create_cis_sync+0x18b/0x2b0
? get_link_mode+0xd0/0xd0
? __ww_mutex_lock_slowpath+0x10/0x10
? mutex_lock+0xe0/0xe0
? get_link_mode+0xd0/0xd0
hci_cmd_sync_work+0x111/0x190
process_one_work+0x427/0x650
worker_thread+0x87/0x750
? process_one_work+0x650/0x650
kthread+0x14e/0x180
? kthread_exit+0x50/0x50
ret_from_fork+0x22/0x30
</TASK>
Fixes: 26afbd826e ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btintel.c:1041:38: warning: cast to restricted __le32
drivers/bluetooth/btintel.c:1786:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1795:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1796:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1797:25: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:3426:28: warning: cast to restricted __le32
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2245:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2249:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2253:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2257:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2261:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2267:18: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
RTL8723DS is another variant of the RTL8723 WiFi + Bluetooth chip. It is
already supported by the hci_uart/btrtl driver. Document the compatible.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Document the compatible string for BCM43430A0 bluetooth used in lg-lenok
and BCM43430A1 used in asus-sparrow.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
pci_disable_device() need be called while module exiting, switch to use
pcim_enable(), pci_disable_device() will be called in pcim_release()
after probe() failure.
Fixes: ab80b2cec05f ("Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom BCM4377/4378/4387 are dual WiFi/Bluetooth boards found in Apple
machines. This driver adds support for the Bluetooth function which
exposes a shared memory IPC protocol over PCIe to tunnel HCI traffic.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom 4377 controllers found in Apple x86 Macs with the T2 chip
claim to support extended scanning when querying supported states,
< HCI Command: LE Read Supported St.. (0x08|0x001c) plen 0
> HCI Event: Command Complete (0x0e) plen 12
LE Read Supported States (0x08|0x001c) ncmd 1
Status: Success (0x00)
States: 0x000003ffffffffff
[...]
LE Set Extended Scan Parameters (Octet 37 - Bit 5)
LE Set Extended Scan Enable (Octet 37 - Bit 6)
[...]
, but then fail to actually implement the extended scanning:
< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x01
Entry 0: LE 1M
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Unknown HCI Command (0x01)
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom controllers present on Apple Silicon devices use the upper
8 bits of the event type in the LE Extended Advertising Report for
the channel on which the frame has been received.
These bits are reserved according to the Bluetooth spec anyway such that
we can just drop them to ensure that the advertising results are parsed
correctly.
The following excerpt from a btmon trace shows a report received on
channel 37 by these controllers:
> HCI Event: LE Meta Event (0x3e) plen 55
LE Extended Advertising Report (0x0d)
Num reports: 1
Entry 0
Event type: 0x2513
Props: 0x0013
Connectable
Scannable
Use legacy advertising PDUs
Data status: Complete
Reserved (0x2500)
Legacy PDU Type: Reserved (0x2513)
Address type: Public (0x00)
Address: XX:XX:XX:XX:XX:XX (Shenzhen Jingxun Software [...])
Primary PHY: LE 1M
Secondary PHY: No packets
SID: no ADI field (0xff)
TX power: 127 dBm
RSSI: -76 dBm (0xb4)
Periodic advertising interval: 0.00 msec (0x0000)
Direct address type: Public (0x00)
Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
Data length: 0x1d
[...]
Flags: 0x18
Simultaneous LE and BR/EDR (Controller)
Simultaneous LE and BR/EDR (Host)
Company: Harman International Industries, Inc. (87)
Data: [...]
Service Data (UUID 0xfddf):
Name (complete): JBL Flip 5
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add bluetooth controller nodes and the required brcm,board-type
properties to be able to select the correct firmware to all board
device trees.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
These chips are combined Wi-Fi/Bluetooth radios which expose a
PCI subfunction for the Bluetooth part.
They are found in Apple machines such as the x86 models with the T2
chip or the arm64 models with the M1 or M2 chips.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Bluetooth controllers share the common local-bd-address property.
Add a generic YAML schema to replace bluetooth.txt for those.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
CYW4373A0 is a Wi-Fi + Bluetooth combo device from Cypress.
This chip is present e.g. on muRata 2AE module.
This chip has additional quirk where the HCI command 0xfc45, used on
older chips to switch UART clock from 24 MHz to 48 MHz, to support
baudrates over 3 Mbdps, is no longer recognized by this newer chip.
This newer chip can configure the 4 Mbdps baudrate without the need
to issue HCI command 0xfc45, so add flag to indicate this and do not
issue the command on this chip to avoid failure to set 4 Mbdps baud
rate.
It is not clear whether there is a way to determine which chip does
and which chip does not support the HCI command 0xfc45, other than
trial and error.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
