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Some AP can possibly try non-standard VHT rate and mac80211 warns and drops
packets, and leads low TCP throughput.
Rate marked as a VHT rate but data is invalid: MCS: 10, NSS: 2
WARNING: CPU: 1 PID: 7817 at net/mac80211/rx.c:4856 ieee80211_rx_list+0x223/0x2f0 [mac8021
Since commit c27aa56a72b8 ("cfg80211: add VHT rate entries for MCS-10 and MCS-11")
has added, mac80211 adds this support as well.
After this patch, throughput is good and iw can get the bitrate:
rx bitrate: 975.1 MBit/s VHT-MCS 10 80MHz short GI VHT-NSS 2
or
rx bitrate: 1083.3 MBit/s VHT-MCS 11 80MHz short GI VHT-NSS 2
Buglink: https://bugzilla.suse.com/show_bug.cgi?id=1192891
Reported-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20220103013623.17052-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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So far all of the tablets for which the skip i2c-client/serdev enumeration
quirks have been added also all have broken ACPI AC / battery devices
extend the existing quirks for these tablets to also skip the broken
AC / battery devices.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some x86 ACPI boards have broken AC and battery ACPI devices in their ACPI
tables. This is often tied to these devices using certain PMICs where the
factory OS image seems to be using native charger and fuel-gauge drivers
instead.
So far both the AC and battery drivers have almost identical checks for
these PMICs including both of them having a DMI based mechanism to force
usage of the ACPI AC and battery drivers on some boards even though one
of these PMICs is present, with the same 2 boards listed in both driver's
DMI tables for this.
The only difference is that the AC driver checks for 2 PMICs and the
battery driver only for one. This has grown this way because the other
(Whiskey Cove) PMIC is only used on a few boards (3 known boards) and
although some of these do have non working ACPI battery devices, their
_STA method always returns 0, but that really should not be relied on.
This patch factors out the shared checks into a new
acpi_quirk_skip_acpi_ac_and_battery() helper and moves the AC and
battery drivers over to this new helper.
Note the DMI table is shared with acpi_quirk_skip_i2c_client_enumeration()
and acpi_quirk_skip_serdev_enumeration(), because boards needing DMI quirks
for either of these typically also have broken AC and battery ACPI devices.
The ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY quirk is not set yet on boards
already in this DMI table, to avoid introducing any functional changes
in this refactoring patch.
Besided sharing the code between the AC and battery drivers this
refactoring also moves this quirk handling to under #ifdef CONFIG_X86,
removing this x86 specific code from non x86 ACPI builds.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge recent device enumeration changes to satisfy dependencies.
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The same rxe_map_set could be freed twice:
rxe_reg_user_mr()
-> rxe_mr_init_user()
-> rxe_mr_free_map_set() # 1st
-> rxe_drop_ref()
...
-> rxe_mr_cleanup()
-> rxe_mr_free_map_set() # 2nd
Follow normal convection and put resource cleanup either in the error
unwind of the allocator, or the overall free function. Leave the object
unchanged with a NULL cur_map_set on failure and remove the unncessary
free in rxe_mr_init_user().
Link: https://lore.kernel.org/r/20211228014406.1033444-1-lizhijian@cn.fujitsu.com
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Syzbot hit NULL deref in rhashtable_free_and_destroy(). The problem was
in mesh_paths and mpp_paths being NULL.
mesh_pathtbl_init() could fail in case of memory allocation failure, but
nobody cared, since ieee80211_mesh_init_sdata() returns void. It led to
leaving 2 pointers as NULL. Syzbot has found null deref on exit path,
but it could happen anywhere else, because code assumes these pointers are
valid.
Since all ieee80211_*_setup_sdata functions are void and do not fail,
let's embedd mesh_paths and mpp_paths into parent struct to avoid
adding error handling on higher levels and follow the pattern of others
setup_sdata functions
Fixes: 60854fd94573 ("mac80211: mesh: convert path table to rhashtable")
Reported-and-tested-by: syzbot+860268315ba86ea6b96b@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20211230195547.23977-1-paskripkin@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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* kvm-arm64/selftest/irq-injection:
: .
: New tests from Ricardo Koller:
: "This series adds a new test, aarch64/vgic-irq, that validates the injection of
: different types of IRQs from userspace using various methods and configurations"
: .
KVM: selftests: aarch64: Add test for restoring active IRQs
KVM: selftests: aarch64: Add ISPENDR write tests in vgic_irq
KVM: selftests: aarch64: Add tests for IRQFD in vgic_irq
KVM: selftests: Add IRQ GSI routing library functions
KVM: selftests: aarch64: Add test_inject_fail to vgic_irq
KVM: selftests: aarch64: Add tests for LEVEL_INFO in vgic_irq
KVM: selftests: aarch64: Level-sensitive interrupts tests in vgic_irq
KVM: selftests: aarch64: Add preemption tests in vgic_irq
KVM: selftests: aarch64: Cmdline arg to set EOI mode in vgic_irq
KVM: selftests: aarch64: Cmdline arg to set number of IRQs in vgic_irq test
KVM: selftests: aarch64: Abstract the injection functions in vgic_irq
KVM: selftests: aarch64: Add vgic_irq to test userspace IRQ injection
KVM: selftests: aarch64: Add vGIC library functions to deal with vIRQ state
KVM: selftests: Add kvm_irq_line library function
KVM: selftests: aarch64: Add GICv3 register accessor library functions
KVM: selftests: aarch64: Add function for accessing GICv3 dist and redist registers
KVM: selftests: aarch64: Move gic_v3.h to shared headers
Signed-off-by: Marc Zyngier <maz@kernel.org>
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* kvm-arm64/selftest/ipa:
: .
: Expand the KVM/arm64 selftest infrastructure to discover
: supported page sizes at runtime, support 16kB pages, and
: find out about the original M1 stupidly small IPA space.
: .
KVM: selftests: arm64: Add support for various modes with 16kB page size
KVM: selftests: arm64: Add support for VM_MODE_P36V48_{4K,64K}
KVM: selftests: arm64: Rework TCR_EL1 configuration
KVM: selftests: arm64: Check for supported page sizes
KVM: selftests: arm64: Introduce a variable default IPA size
KVM: selftests: arm64: Initialise default guest mode at test startup time
Signed-off-by: Marc Zyngier <maz@kernel.org>
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Clang static analysis reports this warnings
mlme.c:5332:7: warning: Branch condition evaluates to a
garbage value
have_higher_than_11mbit)
^~~~~~~~~~~~~~~~~~~~~~~
have_higher_than_11mbit is only set to true some of the time in
ieee80211_get_rates() but is checked all of the time. So
have_higher_than_11mbit needs to be initialized to false.
Fixes: 5d6a1b069b7f ("mac80211: set basic rates earlier")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211223162848.3243702-1-trix@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The devm_ioremap() function does not return error pointers. It returns
NULL.
Fixes: 036a7584bede ("drivers: perf: Add LLC-TAD perf counter support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211217145907.GA16611@kili
Signed-off-by: Will Deacon <will@kernel.org>
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kvm_arm_init_arch_resources() was renamed to kvm_arm_init_sve() in
commit a3be836df7cb ("KVM: arm/arm64: Demote
kvm_arm_init_arch_resources() to just set up SVE"). Fix the function
name in comment of kvm_vcpu_finalize_sve().
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211230141535.1389-1-yuzenghui@huawei.com
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The get-reg-list test ignores the Pointer Authentication features,
which is a shame now that we have relatively common HW with this feature.
Define two new configurations (with and without PMU) that exercise the
KVM capabilities.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Link: https://lore.kernel.org/r/20211228121414.1013250-1-maz@kernel.org
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The kbuild robot reports that building the SMMUv3 PMU driver with
CONFIG_OF=n results in a warning for W=1 builds:
>> drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match' [-Wunused-const-variable]
static const struct of_device_id smmu_pmu_of_match[] = {
^
Guard the match table with #ifdef CONFIG_OF.
Link: https://lore.kernel.org/r/202201041700.01KZEzhb-lkp@intel.com
Fixes: 3f7be4356176 ("perf/smmuv3: Add devicetree support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Will Deacon <will@kernel.org>
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This was the only usage of <linux/kref_api.h> in <linux/kobject_api.h>,
so we'll able to decouple the two after this change.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add missing unlock when try_module_get() fails in klp_enable_patch().
Fixes: 5ef3dd20555e8e8 ("livepatch: Fix kobject refcount bug on klp_init_patch_early failure path")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: David Vernet <void@manifault.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20211225025115.475348-1-yangyingliang@huawei.com
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When enabling a klp patch with klp_enable_patch(), klp_init_patch_early()
is invoked to initialize the kobjects for the patch itself, as well as the
'struct klp_object' and 'struct klp_func' objects that comprise it.
However, there are some error paths in klp_enable_patch() where some
kobjects may have been initialized with kobject_init(), but an error code
is still returned due to e.g. a 'struct klp_object' having a NULL funcs
pointer.
In these paths, the initial reference of the kobject of the 'struct
klp_patch' may never be released, along with one or more of its objects and
their functions, as kobject_put() is not invoked on the cleanup path if
klp_init_patch_early() returns an error code.
For example, if an object entry such as the following were added to the
sample livepatch module's klp patch, it would cause the vmlinux klp_object,
and its klp_func which updates 'cmdline_proc_show', to never be released:
static struct klp_object objs[] = {
{
/* name being NULL means vmlinux */
.funcs = funcs,
},
{
/* NULL funcs -- would cause reference leak */
.name = "kvm",
}, { }
};
Without this change, if CONFIG_DEBUG_KOBJECT is enabled, and the sample klp
patch is loaded, the kobjects (the patch, the vmlinux 'struct klp_object',
and its func) are observed as initialized, but never released, in the dmesg
log output. With the change, these kobject references no longer fail to be
released as the error case is properly handled before they are initialized.
Signed-off-by: David Vernet <void@manifault.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
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Return value from efx_mcdi_rpc() directly instead
of taking this in another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xu xin says:
====================
ipv4: Namespaceify two sysctls related with mtu
The following patch series enables the min_pmtu and mtu_expires to
be visible and configurable per net namespace. Different namespace
application might have different requirements on the setting of
min_pmtu and mtu_expires.
If these two patches are applied, inside a net namespace we create,
we can see two more sysctls under /proc/sys/net/ipv4/route:
1. min_pmtu
2. mtu_expires
where min_pmtu and mtu_expires are configurable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch enables the sysctl mtu_expires to be configured per net
namespace.
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch enables the sysctl min_pmtu to be configured per net
namespace.
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tx_queue_len can be set to ~0U, we need to be more
careful about overflows.
__fls(0) is undefined, as this report shows:
UBSAN: shift-out-of-bounds in net/sched/sch_qfq.c:1430:24
shift exponent 51770272 is too large for 32-bit type 'int'
CPU: 0 PID: 25574 Comm: syz-executor.0 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x201/0x2d8 lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_shift_out_of_bounds+0x494/0x530 lib/ubsan.c:330
qfq_init_qdisc+0x43f/0x450 net/sched/sch_qfq.c:1430
qdisc_create+0x895/0x1430 net/sched/sch_api.c:1253
tc_modify_qdisc+0x9d9/0x1e20 net/sched/sch_api.c:1660
rtnetlink_rcv_msg+0x934/0xe60 net/core/rtnetlink.c:5571
netlink_rcv_skb+0x200/0x470 net/netlink/af_netlink.c:2496
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x814/0x9f0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0xaea/0xe60 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg net/socket.c:724 [inline]
____sys_sendmsg+0x5b9/0x910 net/socket.c:2409
___sys_sendmsg net/socket.c:2463 [inline]
__sys_sendmsg+0x280/0x370 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 462dbc9101ac ("pkt_sched: QFQ Plus: fair-queueing service at DRR cost")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This code used to copy in an unsigned long worth of data before
the sockptr_t conversion, so restore that.
Fixes: a7b75c5a8c41 ("net: pass a sockptr_t into ->setsockopt")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent bpf-next merge brought in header changes which uncovered
includes missing in net-next which were not present in bpf-next.
Build problems happen only on less-popular arches like hppa,
sparc, alpha etc.
I could repro the build problem with ice but not the mlx5 problem
Abdul was reporting. mlx5 does look like it should include filter.h,
anyway.
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Fixes: e63a02348958 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next")
Link: https://lore.kernel.org/all/7c03768d-d948-c935-a7ab-b1f963ac7eed@linux.vnet.ibm.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for scatter gather DMA. DMA in PMAC splits
the packet into several buffers when the MTU on the CPU port is
less than the MTU of the switch. The first buffer starts at an
offset of NET_IP_ALIGN. In subsequent buffers, dma ignores the
offset. Thanks to this patch, the user can still connect to the
device in such a situation. For normal configurations, the patch
has no effect on performance.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrew Lunn says:
====================
Fix traceroute in the presence of SRv6
When using SRv6 the destination IP address in the IPv6 header is not
always the true destination, it can be a router along the path that
SRv6 is using.
When ICMP reports an error, e.g, time exceeded, which is what
traceroute uses, it included the packet which invoked the error into
the ICMP message body. Upon receiving such an ICMP packet, the
invoking packet is examined and an attempt is made to find the socket
which sent the packet, so the error can be reported. Lookup is
performed using the source and destination address. If the
intermediary router IP address from the IP header is used, the lookup
fails. It is necessary to dig into the header and find the true
destination address in the Segment Router header, SRH.
v2:
Play games with the skb->network_header rather than clone the skb
v3:
Move helpers into seg6.c
v4:
Move short helper into header file.
Rework getting SRH destination address
v5:
Fix comment to describe function, not caller
Patch 1 exports a helper which can find the SRH in a packet
Patch 2 does the actual examination of the invoking packet
Patch 3 makes use of the results when trying to find the socket.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When finding the socket to report an error on, if the invoking packet
is using Segment Routing, the IPv6 destination address is that of an
intermediate router, not the end destination. Extract the ultimate
destination address from the segment address.
This change allows traceroute to function in the presence of Segment
Routing.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RFC8754 says:
ICMP error packets generated within the SR domain are sent to source
nodes within the SR domain. The invoking packet in the ICMP error
message may contain an SRH. Since the destination address of a packet
with an SRH changes as each segment is processed, it may not be the
destination used by the socket or application that generated the
invoking packet.
For the source of an invoking packet to process the ICMP error
message, the ultimate destination address of the IPv6 header may be
required. The following logic is used to determine the destination
address for use by protocol-error handlers.
* Walk all extension headers of the invoking IPv6 packet to the
routing extension header preceding the upper-layer header.
- If routing header is type 4 Segment Routing Header (SRH)
o The SID at Segment List[0] may be used as the destination
address of the invoking packet.
Mangle the skb so the network header points to the invoking packet
inside the ICMP packet. The seg6 helpers can then be used on the skb
to find any segment routing headers. If found, mark this fact in the
IPv6 control block of the skb, and store the offset into the packet of
the SRH. Then restore the skb back to its old state.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An ICMP error message can contain in its message body part of an IPv6
packet which invoked the error. Such a packet might contain a segment
router header. Export get_srh() so the ICMP code can make use of it.
Since his changes the scope of the function from local to global, add
the seg6_ prefix to keep the namespace clean. And move it into seg6.c
so it is always available, not just when IPV6_SEG6_LWTUNNEL is
enabled.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for external timestamp and periodic signal output.
TJA1103 have one periodic signal and one external time stamp signal that
can be multiplexed on all 11 gpio pins.
The periodic signal can be only enabled or disabled. Have no start time
and if is enabled will be generated with a period of one second in sync
with the LTC seconds counter. The phase change is possible only with a
half of a second.
The external timestamp signal has no interrupt and no valid bit and
that's why the timestamps are handled by polling in .do_aux_work.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Paul Blakey says:
====================
net/sched: Pass originating device to drivers offloading ct connection
Currently, drivers register to a ct zone that can be shared by multiple
devices. This can be inefficient for the driver to offload, as it
needs to handle all the cases where the tuple can come from,
instead of where it's most likely will arive from.
For example, consider the following tc rules:
tc filter add dev dev1 ... flower action ct commit zone 5 \
action mirred egress redirect dev dev2
tc filter add dev dev2 ... flower action ct zone 5 \
action goto chain chain 2
tc filter add dev dev2 ... flower ct_state +trk+est ... \
action mirred egress redirect dev dev1
Both dev2 and dev1 register to the zone 5 flow table (created
by act_ct). A tuple originating on dev1, going to dev2, will
be offloaded to both devices, and both will need to offload
both directions, resulting in 4 total rules. The traffic
will only hit originiating tuple on dev1, and reply tuple
on dev2.
By passing the originating device that created the connection
with the tuple, dev1 can choose to offload only the originating
tuple, and dev2 only the reply tuple. Resulting in a more
efficient offload.
The first patch adds an act_ct nf conntrack extension, to
temporarily store the originiating device from the skb before
offloading the connection once the connection is established.
Once sent to offload, it fills the tuple originating device.
The second patch get this information from tuples
which pass in openvswitch.
The third patch is Mellanox driver ct offload implementation using
this information to provide a hint to firmware of where this
offloaded tuple packets will arrive from (LOCAL or UPLINK port),
and thus increase insertion rate.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Get originating device from tuple offload metadata match ingress_ifindex,
and set flow_source hint to either LOCAL for vf/sf reps, UPLINK for
uplink/wire/tunnel devices/bond, or ANY (as before this patch)
for all others.
This allows lower layer (software steering or firmware) to insert the tuple
rule only in one table (either rx or tx) instead of two (rx and tx).
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To give drivers the originating device information for optimized
connection tracking offload, fill in act ct extension with
ifindex from skb.
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver offloading ct tuples can use the information of which devices
received the packets that created the offloaded connections, to
more efficiently offload them only to the relevant device.
Add new act_ct nf conntrack extension, which is used to store the skb
devices before offloading the connection, and then fill in the tuple
iifindex so drivers can get the device via metadata dissector match.
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This macro isn't used in Linux sched, now. Delete in
include/linux/sched.h and arch's include/asm.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211228064730.2882351-5-guoren@kernel.org
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Convert the existing ata_qc_issue() tracepoint into a template,
and add tracepoints for ata_qc_prep() and ata_qc_issue() based
on that template.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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To follow the flow of control we should be using tracepoints, as
they will tie in with the actual I/O flow and deliver a better
overview about what it happening.
This patch adds tracepoints for hard reset, soft reset, and postreset
and adds them in the libata-eh control flow.
With that we can drop the reset DPRINTK calls in the various drivers.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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With moving ata_dev_dbg() over to dynamic debugging ATA_HORKAGE_DUMP_ID
will now print out the raw IDENTIFY data without a header unless
explicitly enable via dyndebug.
So move the logging level up to INFO and have the header printed
always.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use ata_dev_dbg() to print out the information in ata_dump_id()
and remove the ata_msg_probe() conditional.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Add an ata_port_classify() helper to print out the results from
the device classification and remove the debugging statements
from ata_dev_classify().
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Debugging messages in pci init functions or sg setup are pretty
much pointless, as the workflow pretty much decides what happened.
So drop them.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use min() in order to make code cleaner.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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platform_get_irq() will print a message when it fails.
No need to repeat this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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If 64-bit mask attempt fails, the 32-bit will fail by the very same reason.
Don't even try the latter. It's a continuation of the changes that contains,
e.g. dcc02c19cc06 ("sata_sil24: use dma_set_mask_and_coherent").
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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sata_dwc_port_stop() is not used before being defined,
remove redundant forward declaration.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use temporary variable for struct device to make code neater.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use devm_platform_get_and_ioremap_resource() and
devm_platform_ioremap_resource() APIs instead of their
open coded analogues.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of sprintf() in fsl_sata_intr_coalescing_show()
and fsl_sata_rx_watermark_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of sprintf in remapped_nvme_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Use sysfs_emit() instead of snprintf() in ata_scsi_park_show().
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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