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Pull rdma fixes from Jason Gunthorpe:
"Quite a few small bug fixes old and new, also Doug Ledford is retiring
now, we thank him for his work. Details:
- Use after free in rxe
- mlx5 DM regression
- hns bugs triggred by device reset
- Two fixes for CONFIG_DEBUG_PREEMPT
- Several longstanding corner case bugs in hfi1
- Two irdma data path bugs in rare cases and some memory issues"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/irdma: Don't arm the CQ more than two times if no CE for this CQ
RDMA/irdma: Report correct WC errors
RDMA/irdma: Fix a potential memory allocation issue in 'irdma_prm_add_pble_mem()'
RDMA/irdma: Fix a user-after-free in add_pble_prm
IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr
IB/hfi1: Fix early init panic
IB/hfi1: Insure use of smp_processor_id() is preempt disabled
IB/hfi1: Correct guard on eager buffer deallocation
RDMA/rtrs: Call {get,put}_cpu_ptr to silence a debug kernel warning
RDMA/hns: Do not destroy QP resources in the hw resetting phase
RDMA/hns: Do not halt commands during reset until later
Remove Doug Ledford from MAINTAINERS
RDMA/mlx5: Fix releasing unallocated memory in dereg MR flow
RDMA: Fix use-after-free in rxe_queue_cleanup
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, can and netfilter.
Current release - regressions:
- bpf, sockmap: re-evaluate proto ops when psock is removed from
sockmap
Current release - new code bugs:
- bpf: fix bpf_check_mod_kfunc_call for built-in modules
- ice: fixes for TC classifier offloads
- vrf: don't run conntrack on vrf with !dflt qdisc
Previous releases - regressions:
- bpf: fix the off-by-two error in range markings
- seg6: fix the iif in the IPv6 socket control block
- devlink: fix netns refcount leak in devlink_nl_cmd_reload()
- dsa: mv88e6xxx: fix "don't use PHY_DETECT on internal PHY's"
- dsa: mv88e6xxx: allow use of PHYs on CPU and DSA ports
Previous releases - always broken:
- ethtool: do not perform operations on net devices being
unregistered
- udp: use datalen to cap max gso segments
- ice: fix races in stats collection
- fec: only clear interrupt of handling queue in fec_enet_rx_queue()
- m_can: pci: fix incorrect reference clock rate
- m_can: disable and ignore ELO interrupt
- mvpp2: fix XDP rx queues registering
Misc:
- treewide: add missing includes masked by cgroup -> bpf.h
dependency"
* tag 'net-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits)
net: dsa: mv88e6xxx: allow use of PHYs on CPU and DSA ports
net: wwan: iosm: fixes unable to send AT command during mbim tx
net: wwan: iosm: fixes net interface nonfunctional after fw flash
net: wwan: iosm: fixes unnecessary doorbell send
net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering
MAINTAINERS: s390/net: remove myself as maintainer
net/sched: fq_pie: prevent dismantle issue
net: mana: Fix memory leak in mana_hwc_create_wq
seg6: fix the iif in the IPv6 socket control block
nfp: Fix memory leak in nfp_cpp_area_cache_add()
nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
nfc: fix segfault in nfc_genl_dump_devices_done
udp: using datalen to cap max gso segments
net: dsa: mv88e6xxx: error handling for serdes_power functions
can: kvaser_usb: get CAN clock frequency from device
can: kvaser_pciefd: kvaser_pciefd_rx_error_frame(): increase correct stats->{rx,tx}_errors counter
net: mvpp2: fix XDP rx queues registering
vmxnet3: fix minimum vectors alloc issue
net, neigh: clear whole pneigh_entry at alloc time
net: dsa: mv88e6xxx: fix "don't use PHY_DETECT on internal PHY's"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"MTD fixes:
- dataflash: Add device-tree SPI IDs to avoid new warnings
Raw NAND fixes:
- Fix nand_choose_best_timings() on unsupported interface
- Fix nand_erase_op delay (wrong unit)
- fsmc:
- Fix timing computation
- Take instruction delay into account
- denali:
- Add the dependency on HAS_IOMEM to silence robots"
* tag 'mtd/fixes-for-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: dataflash: Add device-tree SPI IDs
mtd: rawnand: fsmc: Fix timing computation
mtd: rawnand: fsmc: Take instruction delay into account
mtd: rawnand: Fix nand_choose_best_timings() on unsupported interface
mtd: rawnand: Fix nand_erase_op delay
mtd: rawnand: denali: Add the dependency on HAS_IOMEM
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- fixes for various drivers which assume that a HID device is on USB
transport, but that might not necessarily be the case, as the device
can be faked by uhid. (Greg, Benjamin Tissoires)
- fix for spurious wakeups on certain Lenovo notebooks (Thomas
Weißschuh)
- a few other device-specific quirks
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: Ignore battery for Elan touchscreen on Asus UX550VE
HID: intel-ish-hid: ipc: only enable IRQ wakeup when requested
HID: google: add eel USB id
HID: add USB_HID dependancy to hid-prodikeys
HID: add USB_HID dependancy to hid-chicony
HID: bigbenff: prevent null pointer dereference
HID: sony: fix error path in probe
HID: add USB_HID dependancy on some USB HID drivers
HID: check for valid USB device for many HID drivers
HID: wacom: fix problems when device is not a valid USB device
HID: add hid_is_usb() function to make it simpler for USB detection
HID: quirks: Add quirk for the Microsoft Surface 3 type-cover
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Martyn Welch reports that his CPU port is unable to link where it has
been necessary to use one of the switch ports with an internal PHY for
the CPU port. The reason behind this is the port control register is
left forcing the link down, preventing traffic flow.
This occurs because during initialisation, phylink expects the link to
be down, and DSA forces the link down by synthesising a call to the
DSA drivers phylink_mac_link_down() method, but we don't touch the
forced-link state when we later reconfigure the port.
Resolve this by also unforcing the link state when we are operating in
PHY mode and the PPU is set to poll the PHY to retrieve link status
information.
Reported-by: Martyn Welch <martyn.welch@collabora.com>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Fixes: 3be98b2d5fbc ("net: dsa: Down cpu/dsa ports phylink will control")
Cc: <stable@vger.kernel.org> # 5.7: 2b29cb9e3f7f: net: dsa: mv88e6xxx: fix "don't use PHY_DETECT on internal PHY's"
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1mvFhP-00F8Zb-Ul@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ev_cdev_write_pending flag is preventing a TX message post for
AT port while MBIM transfer is ongoing.
Removed the unnecessary check around control port TX transfer.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Devlink initialization flow was overwriting the IP traffic
channel configuration. This was causing wwan0 network interface
to be unusable after fw flash.
When device boots to fully functional mode restore the IP channel
configuration.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In TX packet accumulation flow transport layer is
giving a doorbell to device even though there is
no pending control TX transfer that needs immediate
attention.
Introduced a new hpda_ctrl_pending variable to keep
track of pending control TX transfer. If there is a
pending control TX transfer which needs an immediate
attention only then give a doorbell to device.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Avoid a memory leak if there is not a CPU port defined.
Fixes: 8d5f7954b7c8 ("net: dsa: felix: break at first CPU port during init and teardown")
Addresses-Coverity-ID: 1492897 ("Resource leak")
Addresses-Coverity-ID: 1492899 ("Resource leak")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20211209110538.11585-1-jose.exposito89@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If allocating the DMA buffer fails, mana_hwc_destroy_wq was called
without previously storing the pointer to the queue.
In order to avoid leaking the pointer to the queue, store it as soon as
it is allocated.
Addresses-Coverity-ID: 1484720 ("Resource leak")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/20211208223723.18520-1-jose.exposito89@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In line 800 (#1), nfp_cpp_area_alloc() allocates and initializes a
CPP area structure. But in line 807 (#2), when the cache is allocated
failed, this CPP area structure is not freed, which will result in
memory leak.
We can fix it by freeing the CPP area when the cache is allocated
failed (#2).
792 int nfp_cpp_area_cache_add(struct nfp_cpp *cpp, size_t size)
793 {
794 struct nfp_cpp_area_cache *cache;
795 struct nfp_cpp_area *area;
800 area = nfp_cpp_area_alloc(cpp, NFP_CPP_ID(7, NFP_CPP_ACTION_RW, 0),
801 0, size);
// #1: allocates and initializes
802 if (!area)
803 return -ENOMEM;
805 cache = kzalloc(sizeof(*cache), GFP_KERNEL);
806 if (!cache)
807 return -ENOMEM; // #2: missing free
817 return 0;
818 }
Fixes: 4cb584e0ee7d ("nfp: add CPP access core")
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Acked-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20211209061511.122535-1-niejianglei2021@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Added default case to handle undefined cmode scenario in
mv88e6393x_serdes_power() and mv88e6393x_serdes_power() methods.
Addresses-Coverity: 1494644 ("Uninitialized scalar variable")
Fixes: 21635d9203e1c (net: dsa: mv88e6xxx: Fix application of erratum 4.8 for 88E6393X)
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Ameer Hamza <amhamza.mgc@gmail.com>
Link: https://lore.kernel.org/r/20211209041552.9810-1-amhamza.mgc@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The CAN clock frequency is used when calculating the CAN bittiming
parameters. When wrong clock frequency is used, the device may end up
with wrong bittiming parameters, depending on user requested bittiming
parameters.
To avoid this, get the CAN clock frequency from the device. Various
existing Kvaser Leaf products use different CAN clocks.
Fixes: 080f40a6fa28 ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Link: https://lore.kernel.org/all/20211208152122.250852-2-extja@kvaser.com
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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stats->{rx,tx}_errors counter
Check the direction bit in the error frame packet (EPACK) to determine
which net_device_stats {rx,tx}_errors counter to increase.
Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Link: https://lore.kernel.org/all/20211208152122.250852-1-extja@kvaser.com
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The registration of XDP queue information is incorrect because the
RX queue id we use is invalid. When port->id == 0 it appears to works
as expected yet it's no longer the case when port->id != 0.
The problem arised while using a recent kernel version on the
MACCHIATOBin. This board has several ports:
* eth0 and eth1 are 10Gbps interfaces ; both ports has port->id == 0;
* eth2 is a 1Gbps interface with port->id != 0.
Code from xdp-tutorial (more specifically advanced03-AF_XDP) was used
to test packet capture and injection on all these interfaces. The XDP
kernel was simplified to:
SEC("xdp_sock")
int xdp_sock_prog(struct xdp_md *ctx)
{
int index = ctx->rx_queue_index;
/* A set entry here means that the correspnding queue_id
* has an active AF_XDP socket bound to it. */
if (bpf_map_lookup_elem(&xsks_map, &index))
return bpf_redirect_map(&xsks_map, index, 0);
return XDP_PASS;
}
Starting the program using:
./af_xdp_user -d DEV
Gives the following result:
* eth0 : ok
* eth1 : ok
* eth2 : no capture, no injection
Investigating the issue shows that XDP rx queues for eth2 are wrong:
XDP expects their id to be in the range [0..3] but we found them to be
in the range [32..35].
Trying to force rx queue ids using:
./af_xdp_user -d eth2 -Q 32
fails as expected (we shall not have more than 4 queues).
When we register the XDP rx queue information (using
xdp_rxq_info_reg() in function mvpp2_rxq_init()) we tell it to use
rxq->id as the queue id. This value is computed as:
rxq->id = port->id * max_rxq_count + queue_id
where max_rxq_count depends on the device version. In the MACCHIATOBin
case, this value is 32, meaning that rx queues on eth2 are numbered
from 32 to 35 - there are four of them.
Clearly, this is not the per-port queue id that XDP is expecting:
it wants a value in the range [0..3]. It shall directly use queue_id
which is stored in rxq->logic_rxq -- so let's use that value instead.
rxq->id is left untouched ; its value is indeed valid but it should
not be used in this context.
This is consistent with the remaining part of the code in
mvpp2_rxq_init().
With this change, packet capture is working as expected on all the
MACCHIATOBin ports.
Fixes: b27db2274ba8 ("mvpp2: use page_pool allocator")
Signed-off-by: Louis Amas <louis.amas@eho.link>
Signed-off-by: Emmanuel Deloget <emmanuel.deloget@eho.link>
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/r/20211207143423.916334-1-louis.amas@eho.link
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'Commit 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")'
added support for 32Tx/Rx queues. Within that patch, value of
VMXNET3_LINUX_MIN_MSIX_VECT was updated.
However, there is a case (numvcpus = 2) which actually requires 3
intrs which matches VMXNET3_LINUX_MIN_MSIX_VECT which then is
treated as failure by stack to allocate more vectors. This patch
fixes this issue.
Fixes: 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Acked-by: Guolin Yang <gyang@vmware.com>
Link: https://lore.kernel.org/r/20211207081737.14000-1-doshir@vmware.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix bogus compilter warning in nfnetlink_queue, from Florian Westphal.
2) Don't run conntrack on vrf with !dflt qdisc, from Nicolas Dichtel.
3) Fix nft_pipapo bucket load in AVX2 lookup routine for six 8-bit
groups, from Stefano Brivio.
4) Break rule evaluation on malformed TCP options.
5) Use socat instead of nc in selftests/netfilter/nft_zones_many.sh,
also from Florian
6) Fix KCSAN data-race in conntrack timeout updates, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf:
netfilter: conntrack: annotate data-races around ct->timeout
selftests: netfilter: switch zone stress to socat
netfilter: nft_exthdr: break evaluation if setting TCP option fails
selftests: netfilter: Add correctness test for mac,net set type
nft_set_pipapo: Fix bucket load in AVX2 lookup routine for six 8-bit groups
vrf: don't run conntrack on vrf with !dflt qdisc
netfilter: nfnetlink_queue: silence bogus compiler warning
====================
Link: https://lore.kernel.org/r/20211209000847.102598-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-12-08
Yahui adds re-initialization of Flow Director for VF reset.
Paul restores interrupts when enabling VFs.
Dave re-adds bandwidth check for DCBNL and moves DSCP mode check
earlier in the function.
Jesse prevents reporting of dropped packets that occur during
initialization and fixes reporting of statistics which could occur with
frequent reads.
Michal corrects setting of protocol type for UDP header and fixes lack
of differentiation when adding filters for tunnels.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: safer stats processing
ice: fix adding different tunnels
ice: fix choosing UDP header type
ice: ignore dropped packets during init
ice: Fix problems with DSCP QoS implementation
ice: rearm other interrupt cause register after enabling VFs
ice: fix FDIR init missing when reset VF
====================
Link: https://lore.kernel.org/r/20211208211144.2629867-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Daniel Borkmann says:
====================
bpf 2021-12-08
We've added 12 non-merge commits during the last 22 day(s) which contain
a total of 29 files changed, 659 insertions(+), 80 deletions(-).
The main changes are:
1) Fix an off-by-two error in packet range markings and also add a batch of
new tests for coverage of these corner cases, from Maxim Mikityanskiy.
2) Fix a compilation issue on MIPS JIT for R10000 CPUs, from Johan Almbladh.
3) Fix two functional regressions and a build warning related to BTF kfunc
for modules, from Kumar Kartikeya Dwivedi.
4) Fix outdated code and docs regarding BPF's migrate_disable() use on non-
PREEMPT_RT kernels, from Sebastian Andrzej Siewior.
5) Add missing includes in order to be able to detangle cgroup vs bpf header
dependencies, from Jakub Kicinski.
6) Fix regression in BPF sockmap tests caused by missing detachment of progs
from sockets when they are removed from the map, from John Fastabend.
7) Fix a missing "no previous prototype" warning in x86 JIT caused by BPF
dispatcher, from Björn Töpel.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add selftests to cover packet access corner cases
bpf: Fix the off-by-two error in range markings
treewide: Add missing includes masked by cgroup -> bpf dependency
tools/resolve_btfids: Skip unresolved symbol warning for empty BTF sets
bpf: Fix bpf_check_mod_kfunc_call for built-in modules
bpf: Make CONFIG_DEBUG_INFO_BTF depend upon CONFIG_BPF_SYSCALL
mips, bpf: Fix reference to non-existing Kconfig symbol
bpf: Make sure bpf_disable_instrumentation() is safe vs preemption.
Documentation/locking/locktypes: Update migrate_disable() bits.
bpf, sockmap: Re-evaluate proto ops when psock is removed from sockmap
bpf, sockmap: Attach map progs to psock early for feature probes
bpf, x86: Fix "no previous prototype" warning
====================
Link: https://lore.kernel.org/r/20211208155125.11826-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This commit fixes a misunderstanding in commit 4a3e0aeddf09 ("net: dsa:
mv88e6xxx: don't use PHY_DETECT on internal PHY's").
For Marvell DSA switches with the PHY_DETECT bit (for non-6250 family
devices), controls whether the PPU polls the PHY to retrieve the link,
speed, duplex and pause status to update the port configuration. This
applies for both internal and external PHYs.
For some switches such as 88E6352 and 88E6390X, PHY_DETECT has an
additional function of enabling auto-media mode between the internal
PHY and SERDES blocks depending on which first gains link.
The original intention of commit 5d5b231da7ac (net: dsa: mv88e6xxx: use
PHY_DETECT in mac_link_up/mac_link_down) was to allow this bit to be
used to detect when this propagation is enabled, and allow software to
update the port configuration. This has found to be necessary for some
switches which do not automatically propagate status from the SERDES to
the port, which includes the 88E6390. However, commit 4a3e0aeddf09
("net: dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's") breaks
this assumption.
Maarten Zanders has confirmed that the issue he was addressing was for
an 88E6250 switch, which does not have a PHY_DETECT bit in bit 12, but
instead a link status bit. Therefore, mv88e6xxx_port_ppu_updates() does
not report correctly.
This patch resolves the above issues by reverting Maarten's change and
instead making mv88e6xxx_port_ppu_updates() indicate whether the port
is internal for the 88E6250 family of switches.
Yes, you're right, I'm targeting the 6250 family. And yes, your
suggestion would solve my case and is a better implementation for
the other devices (as far as I can see).
Fixes: 4a3e0aeddf09 ("net: dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Tested-by: Maarten Zanders <maarten.zanders@mind.be>
Link: https://lore.kernel.org/r/E1muXm7-00EwJB-7n@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver was zeroing live stats that could be fetched by
ndo_get_stats64 at any time. This could result in inconsistent
statistics, and the telltale sign was when reading stats frequently from
/proc/net/dev, the stats would go backwards.
Fix by collecting stats into a local, and delaying when we write to the
structure so it's not incremental.
Fixes: fcea6f3da546 ("ice: Add stats and ethtool support")
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Battery status is reported for the Asus UX550VE touchscreen even though
it does not have a battery. Prevent it from always reporting the
battery as low.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1897823
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Background:
We have a customer is running a Profinet stack on the 8MM which receives and
responds PNIO packets every 4ms and PNIO-CM packets every 40ms. However, from
time to time the received PNIO-CM package is "stock" and is only handled when
receiving a new PNIO-CM or DCERPC-Ping packet (tcpdump shows the PNIO-CM and
the DCERPC-Ping packet at the same time but the PNIO-CM HW timestamp is from
the expected 40 ms and not the 2s delay of the DCERPC-Ping).
After debugging, we noticed PNIO, PNIO-CM and DCERPC-Ping packets would
be handled by different RX queues.
The root cause should be driver ack all queues' interrupt when handle a
specific queue in fec_enet_rx_queue(). The blamed patch is introduced to
receive as much packets as possible once to avoid interrupt flooding.
But it's unreasonable to clear other queues'interrupt when handling one
queue, this patch tries to fix it.
Fixes: ed63f1dcd578 (net: fec: clear receive interrupts before processing a packet)
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Reported-by: Nicolas Diaz <nicolas.diaz@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Link: https://lore.kernel.org/r/20211206135457.15946-1-qiangqing.zhang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-12-06
This series contains updates to iavf and i40e drivers.
Mitch adds restoration of MSI state during reset for iavf.
Michal fixes checking and reporting of descriptor count changes to
communicate changes and/or issues for iavf.
Karen resolves an issue with failed handling of VF requests while a VF
reset is occurring for i40e.
Mateusz removes clearing of VF requested queue count when configuring
VF ADQ for i40e.
Norbert fixes a NULL pointer dereference that can occur when getting VSI
descriptors for i40e.
====================
Link: https://lore.kernel.org/r/20211206183519.2733180-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix warning as:
Documentation/networking/kapi:147: ./drivers/net/phy/phylink.c:1657: WARNING: Unexpected indentation.
Documentation/networking/kapi:147: ./drivers/net/phy/phylink.c:1658: WARNING: Block quote ends without a blank line; unexpected unindent.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Avoid passing NULL skb to __skb_put() function call if
napi_alloc_skb() returns NULL.
Fixes: 37149e9374bf ("gve: Implement packet continuation for RX.")
Signed-off-by: Ameer Hamza <amhamza.mgc@gmail.com>
Link: https://lore.kernel.org/r/20211205183810.8299-1-amhamza.mgc@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After the below patch, the conntrack attached to skb is set to "notrack" in
the context of vrf device, for locally generated packets.
But this is true only when the default qdisc is set to the vrf device. When
changing the qdisc, notrack is not set anymore.
In fact, there is a shortcut in the vrf driver, when the default qdisc is
set, see commit dcdd43c41e60 ("net: vrf: performance improvements for
IPv4") for more details.
This patch ensures that the behavior is always the same, whatever the qdisc
is.
To demonstrate the difference, a new test is added in conntrack_vrf.sh.
Fixes: 8c9c296adfae ("vrf: run conntrack only in context of lower/physdev for locally generated packets")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Adding filters with the same values inside for VXLAN and Geneve causes HW
error, because it looks exactly the same. To choose between different
type of tunnels new recipe is needed. Add storing tunnel types in
creating recipes function and start checking it in finding function.
Change getting open tunnels function to return port on correct tunnel
type. This is needed to copy correct port to dummy packet.
Block user from adding enc_dst_port via tc flower, because VXLAN and
Geneve filters can be created only with destination port which was
previously opened.
Fixes: 8b032a55c1bd5 ("ice: low level support for tunnels")
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In tunnels packet there can be two UDP headers:
- outer which for hw should be mark as ICE_UDP_OF
- inner which for hw should be mark as ICE_UDP_ILOS or as ICE_TCP_IL if
inner header is of TCP type
In none tunnels packet header can be:
- UDP, which for hw should be mark as ICE_UDP_ILOS
- TCP, which for hw should be mark as ICE_TCP_IL
Change incorrect ICE_UDP_OF for none tunnel packets to ICE_UDP_ILOS.
ICE_UDP_OF is incorrect for none tunnel packets and setting it leads to
error from hw while adding this kind of recipe.
In summary, for tunnel outer port type should always be set to
ICE_UDP_OF, for none tunnel outer and tunnel inner it should always be
set to ICE_UDP_ILOS.
Fixes: 9e300987d4a8 ("ice: VXLAN and Geneve TC support")
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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If the hardware is constantly receiving unicast or broadcast packets
during driver load, the device previously counted many GLV_RDPC (VSI
dropped packets) events during init. This causes confusing dropped
packet statistics during driver load. The dropped packets counter
incrementing does stop once the driver finishes loading.
Avoid this problem by baselining our statistics at the end of driver
open instead of the end of probe.
Fixes: cdedef59deb0 ("ice: Configure VSIs for Tx/Rx")
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The patch that implemented DSCP QoS implementation removed a
bandwidth check that was used to check for a specific condition
caused by some corner cases. This check should not of been
removed.
The same patch also added a check for when the DCBx state could
be changed in relation to DSCP, but the check was erroneously
added nested in a check for CEE mode, which made the check useless.
Fix these problems by re-adding the bandwidth check and relocating
the DSCP mode check earlier in the function that changes DCBx state
in the driver.
Fixes: 2a87bd73e50d ("ice: Add DSCP support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The other interrupt cause register (OICR), global interrupt 0, is
disabled when enabling VFs to prevent handling VFLR. If the OICR is
not rearmed then the VF cannot communicate with the PF.
Rearm the OICR after enabling VFs.
Fixes: 916c7fdf5e93 ("ice: Separate VF VSI initialization/creation from reset flow")
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When VF is being reset, ice_reset_vf() will be called and FDIR
resource should be released and initialized again.
Fixes: 1f7ea1cd6a37 ("ice: Enable FDIR Configure for AVF")
Signed-off-by: Yahui Cao <yahui.cao@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ql_wait_for_drvr_lock() fails and returns false, then this
function should return an error code instead of returning success.
The other problem is that the success path prints an error message
netdev_err(ndev, "Releasing driver lock\n"); Delete that and
re-order the code a little to make it more clear.
Fixes: 5a4faa873782 ("[PATCH] qla3xxx NIC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211207082416.GA16110@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Various bug-fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel: hid: add quirk to support Surface Go 3
platform/x86: amd-pmc: Fix s2idle failures on certain AMD laptops
platform/x86: touchscreen_dmi: Add TrekStor SurfTab duo W1 touchscreen info
platform/x86: lg-laptop: Recognize more models
platform/x86: thinkpad_acpi: Add lid_logo_dot to the list of safe LEDs
platform/x86: thinkpad_acpi: Restore missing hotkey_tablet_mode and hotkey_radio_sw sysfs-attr
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Completion events (CEs) are lost if the application is allowed to arm the
CQ more than two times when no new CE for this CQ has been generated by
the HW.
Check if arming has been done for the CQ and if not, arm the CQ for any
event otherwise promote to arm the CQ for any event only when the last arm
event was solicited.
Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Link: https://lore.kernel.org/r/20211201231509.1930-2-shiraz.saleem@intel.com
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Return IBV_WC_REM_OP_ERR for responder QP errors instead of
IBV_WC_REM_ACCESS_ERR.
Return IBV_WC_LOC_QP_OP_ERR for errors detected on the SQ with bad opcodes
Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions")
Link: https://lore.kernel.org/r/20211201231509.1930-1-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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'irdma_prm_add_pble_mem()'
'pchunk->bitmapbuf' is a bitmap. Its size (in number of bits) is stored in
'pchunk->sizeofbitmap'.
When it is allocated, the size (in bytes) is computed by:
size_in_bits >> 3
There are 2 issues (numbers bellow assume that longs are 64 bits):
- there is no guarantee here that 'pchunk->bitmapmem.size' is modulo
BITS_PER_LONG but bitmaps are stored as longs
(sizeofbitmap=8 bits will only allocate 1 byte, instead of 8 (1 long))
- the number of bytes is computed with a shift, not a round up, so we
may allocate less memory than needed
(sizeofbitmap=65 bits will only allocate 8 bytes (i.e. 1 long), when 2
longs are needed = 16 bytes)
Fix both issues by using 'bitmap_zalloc()' and remove the useless
'bitmapmem' from 'struct irdma_chunk'.
While at it, remove some useless NULL test before calling
kfree/bitmap_free.
Fixes: 915cc7ac0f8e ("RDMA/irdma: Add miscellaneous utility definitions")
Link: https://lore.kernel.org/r/5e670b640508e14b1869c3e8e4fb970d78cbe997.1638692171.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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|
When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE
info list.
Add the chunk entry to the PBLE info list only after successful setting of
the SD in irdma_hmc_sd_one.
Fixes: e8c4dbc2fcac ("RDMA/irdma: Add PBLE resource manager")
Link: https://lore.kernel.org/r/20211207152135.2192-1-shiraz.saleem@intel.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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This buffer is currently allocated in hfi1_init():
if (reinit)
ret = init_after_reset(dd);
else
ret = loadtime_init(dd);
if (ret)
goto done;
/* allocate dummy tail memory for all receive contexts */
dd->rcvhdrtail_dummy_kvaddr = dma_alloc_coherent(&dd->pcidev->dev,
sizeof(u64),
&dd->rcvhdrtail_dummy_dma,
GFP_KERNEL);
if (!dd->rcvhdrtail_dummy_kvaddr) {
dd_dev_err(dd, "cannot allocate dummy tail memory\n");
ret = -ENOMEM;
goto done;
}
The reinit triggered path will overwrite the old allocation and leak it.
Fix by moving the allocation to hfi1_alloc_devdata() and the deallocation
to hfi1_free_devdata().
Link: https://lore.kernel.org/r/20211129192008.101968.91302.stgit@awfm-01.cornelisnetworks.com
Cc: stable@vger.kernel.org
Fixes: 46b010d3eeb8 ("staging/rdma/hfi1: Workaround to prevent corruption during packet delivery")
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The following trace can be observed with an init failure such as firmware
load failures:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 0 P4D 0
Oops: 0010 [#1] SMP PTI
CPU: 0 PID: 537 Comm: kworker/0:3 Tainted: G OE --------- - - 4.18.0-240.el8.x86_64 #1
Workqueue: events work_for_cpu_fn
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0000:ffffae5f878a3c98 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff95e48e025c00 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff95e48e025c00
RBP: ffff95e4bf3660a4 R08: 0000000000000000 R09: ffffffff86d5e100
R10: ffff95e49e1de600 R11: 0000000000000001 R12: ffff95e4bf366180
R13: ffff95e48e025c00 R14: ffff95e4bf366028 R15: ffff95e4bf366000
FS: 0000000000000000(0000) GS:ffff95e4df200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000f86a0a003 CR4: 00000000001606f0
Call Trace:
receive_context_interrupt+0x1f/0x40 [hfi1]
__free_irq+0x201/0x300
free_irq+0x2e/0x60
pci_free_irq+0x18/0x30
msix_free_irq.part.2+0x46/0x80 [hfi1]
msix_clean_up_interrupts+0x2b/0x70 [hfi1]
hfi1_init_dd+0x640/0x1a90 [hfi1]
do_init_one.isra.19+0x34d/0x680 [hfi1]
local_pci_probe+0x41/0x90
work_for_cpu_fn+0x16/0x20
process_one_work+0x1a7/0x360
worker_thread+0x1cf/0x390
? create_worker+0x1a0/0x1a0
kthread+0x112/0x130
? kthread_flush_work_fn+0x10/0x10
ret_from_fork+0x35/0x40
The free_irq() results in a callback to the registered interrupt handler,
and rcd->do_interrupt is NULL because the receive context data structures
are not fully initialized.
Fix by ensuring that the do_interrupt is always assigned and adding a
guards in the slow path handler to detect and handle a partially
initialized receive context and noop the receive.
Link: https://lore.kernel.org/r/20211129192003.101968.33612.stgit@awfm-01.cornelisnetworks.com
Cc: stable@vger.kernel.org
Fixes: b0ba3c18d6bf ("IB/hfi1: Move normal functions from hfi1_devdata to const array")
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
|
The following BUG has just surfaced with our 5.16 testing:
BUG: using smp_processor_id() in preemptible [00000000] code: mpicheck/1581081
caller is sdma_select_user_engine+0x72/0x210 [hfi1]
CPU: 0 PID: 1581081 Comm: mpicheck Tainted: G S 5.16.0-rc1+ #1
Hardware name: Intel Corporation S2600WT2R/S2600WT2R, BIOS SE5C610.86B.01.01.0016.033120161139 03/31/2016
Call Trace:
<TASK>
dump_stack_lvl+0x33/0x42
check_preemption_disabled+0xbf/0xe0
sdma_select_user_engine+0x72/0x210 [hfi1]
? _raw_spin_unlock_irqrestore+0x1f/0x31
? hfi1_mmu_rb_insert+0x6b/0x200 [hfi1]
hfi1_user_sdma_process_request+0xa02/0x1120 [hfi1]
? hfi1_write_iter+0xb8/0x200 [hfi1]
hfi1_write_iter+0xb8/0x200 [hfi1]
do_iter_readv_writev+0x163/0x1c0
do_iter_write+0x80/0x1c0
vfs_writev+0x88/0x1a0
? recalibrate_cpu_khz+0x10/0x10
? ktime_get+0x3e/0xa0
? __fget_files+0x66/0xa0
do_writev+0x65/0x100
do_syscall_64+0x3a/0x80
Fix this long standing bug by moving the smp_processor_id() to after the
rcu_read_lock().
The rcu_read_lock() implicitly disables preemption.
Link: https://lore.kernel.org/r/20211129191958.101968.87329.stgit@awfm-01.cornelisnetworks.com
Cc: stable@vger.kernel.org
Fixes: 0cb2aa690c7e ("IB/hfi1: Add sysfs interface for affinity setup")
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The code tests the dma address which legitimately can be 0.
The code should test the kernel logical address to avoid leaking eager
buffer allocations that happen to map to a dma address of 0.
Fixes: 60368186fd85 ("IB/hfi1: Fix user-space buffers mapping with IOMMU enabled")
Link: https://lore.kernel.org/r/20211129191952.101968.17137.stgit@awfm-01.cornelisnetworks.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
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The relevant datasheet [1] specifies nonstandard limits for the bit timing
parameters. While it is unclear what the exact effect of violating these
limits is, it seems like a good idea to adhere to the documentation.
[1] Intel Atom® x6000E Series, and Intel® Pentium® and Celeron® N and J
Series Processors for IoT Applications Datasheet,
Volume 2 (Book 3 of 3), July 2021, Revision 001
Fixes: cab7ffc0324f ("can: m_can: add PCI glue driver for Intel Elkhart Lake")
Link: https://lore.kernel.org/all/9eba5d7c05a48ead4024ffa6e5926f191d8c6b38.1636967198.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The assigned timing structs will be defined a const anyway, so we can
avoid a few casts by declaring the struct fields as const as well.
Link: https://lore.kernel.org/all/4508fa4e639164b2584c49a065d90c78a91fa568.1636967198.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The timing limits specified by the Elkhart Lake CPU datasheets do not
match the defaults. Let's reintroduce the support for custom bit timings.
This reverts commit 0ddd83fbebbc5537f9d180d31f659db3564be708.
Link: https://lore.kernel.org/all/00c9e2596b1a548906921a574d4ef7a03c0dace0.1636967198.git.matthias.schiffer@ew.tq-group.com
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
When testing the CAN controller on our Ekhart Lake hardware, we
determined that all communication was running with twice the configured
bitrate. Changing the reference clock rate from 100MHz to 200MHz fixed
this. Intel's support has confirmed to us that 200MHz is indeed the
correct clock rate.
Fixes: cab7ffc0324f ("can: m_can: add PCI glue driver for Intel Elkhart Lake")
Link: https://lore.kernel.org/all/c9cf3995f45c363e432b3ae8eb1275e54f009fc8.1636967198.git.matthias.schiffer@ew.tq-group.com
Cc: stable@vger.kernel.org
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
The same fix that was previously done in m_can_platform in commit
99d173fbe894 ("can: m_can: fix iomap_read_fifo() and iomap_write_fifo()")
is required in m_can_pci as well to make iomap_read_fifo() and
iomap_write_fifo() work for val_count > 1.
Fixes: 812270e5445b ("can: m_can: Batch FIFO writes during CAN transmit")
Fixes: 1aa6772f64b4 ("can: m_can: Batch FIFO reads during CAN receive")
Link: https://lore.kernel.org/all/20211118144011.10921-1-matthias.schiffer@ew.tq-group.com
Cc: stable@vger.kernel.org
Cc: Matt Kline <matt@bitbashing.io>
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
In m_can_read_fifo(), if the second call to m_can_fifo_read() fails,
the function jump to the out_fail label and returns without calling
m_can_receive_skb(). This means that the skb previously allocated by
alloc_can_skb() is not freed. In other terms, this is a memory leak.
This patch adds a goto label to destroy the skb if an error occurs.
Issue was found with GCC -fanalyzer, please follow the link below for
details.
Fixes: e39381770ec9 ("can: m_can: Disable IRQs on FIFO bus errors")
Link: https://lore.kernel.org/all/20211107050755.70655-1-mailhol.vincent@wanadoo.fr
Cc: stable@vger.kernel.org
Cc: Matt Kline <matt@bitbashing.io>
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
|
With the design of this driver, this condition is often triggered.
However, the counter that this interrupt indicates an overflow is never
read either, so overflowing is harmless.
On my system, when a CAN bus starts flapping up and down, this locks up
the whole system with lots of interrupts and printks.
Specifically, this interrupt indicates the CEL field of ECR has
overflowed. All reads of ECR mask out CEL.
Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support")
Link: https://lore.kernel.org/all/20211129222628.7490-1-brian.silverman@bluerivertech.com
Cc: stable@vger.kernel.org
Signed-off-by: Brian Silverman <brian.silverman@bluerivertech.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
|
