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Add a Netlink spec-compatible family for netdevs.
This is a very simple implementation without much
thought going into it.
It allows us to reap all the benefits of Netlink specs,
one can use the generic client to issue the commands:
$ ./cli.py --spec netdev.yaml --dump dev_get
[{'ifindex': 1, 'xdp-features': set()},
{'ifindex': 2, 'xdp-features': {'basic', 'ndo-xmit', 'redirect'}},
{'ifindex': 3, 'xdp-features': {'rx-sg'}}]
the generic python library does not have flags-by-name
support, yet, but we also don't have to carry strings
in the messages, as user space can get the names from
the spec.
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Co-developed-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/327ad9c9868becbe1e601b580c962549c8cd81f2.1675245258.git.lorenzo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The do_idr_lock parameter to bpf_map_free_id was introduced by commit
bd5f5f4ecb78 ("bpf: Add BPF_MAP_GET_FD_BY_ID"). However, all callers set
do_idr_lock = true since commit 1e0bd5a091e5 ("bpf: Switch bpf_map ref
counter to atomic64_t so bpf_map_inc() never fails").
While at it also inline __bpf_map_put into its only caller bpf_map_put
now that do_idr_lock can be dropped from its signature.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Link: https://lore.kernel.org/r/20230202141921.4424-1-tklauser@distanz.ch
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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kfuncs are functions defined in the kernel, which may be invoked by BPF
programs. They may or may not also be used as regular kernel functions,
implying that they may be static (in which case the compiler could e.g.
inline it away, or elide one or more arguments), or it could have
external linkage, but potentially be elided in an LTO build if a
function is observed to never be used, and is stripped from the final
kernel binary.
This has already resulted in some issues, such as those discussed in [0]
wherein changes in DWARF that identify when a parameter has been
optimized out can break BTF encodings (and in general break the kfunc).
[0]: https://lore.kernel.org/all/1675088985-20300-2-git-send-email-alan.maguire@oracle.com/
We therefore require some convenience macro that kfunc developers can
use just add to their kfuncs, and which will prevent all of the above
issues from happening. This is in contrast with what we have today,
where some kfunc definitions have "noinline", some have "__used", and
others are static and have neither.
Note that longer term, this mechanism may be replaced by a macro that
more closely resembles EXPORT_SYMBOL_GPL(), as described in [1]. For
now, we're going with this shorter-term approach to fix existing issues
in kfuncs.
[1]: https://lore.kernel.org/lkml/Y9AFT4pTydKh+PD3@maniforge.lan/
Note as well that checkpatch complains about this patch with the
following:
ERROR: Macros with complex values should be enclosed in parentheses
+#define __bpf_kfunc __used noinline
There seems to be a precedent for using this pattern in other places
such as compiler_types.h (see e.g. __randomize_layout and noinstr), so
it seems appropriate.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20230201173016.342758-2-void@manifault.com
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arch_prepare_bpf_trampoline() is used for direct attachment of eBPF
programs to various places, bypassing kprobes. It's responsible for
calling a number of eBPF programs before, instead and/or after
whatever they are attached to.
Add a s390x implementation, paying attention to the following:
- Reuse the existing JIT infrastructure, where possible.
- Like the existing JIT, prefer making multiple passes instead of
backpatching. Currently 2 passes is enough. If literal pool is
introduced, this needs to be raised to 3. However, at the moment
adding literal pool only makes the code larger. If branch
shortening is introduced, the number of passes needs to be
increased even further.
- Support both regular and ftrace calling conventions, depending on
the trampoline flags.
- Use expolines for indirect calls.
- Handle the mismatch between the eBPF and the s390x ABIs.
- Sign-extend fmod_ret return values.
invoke_bpf_prog() produces about 120 bytes; it might be possible to
slightly optimize this, but reaching 50 bytes, like on x86_64, looks
unrealistic: just loading cookie, __bpf_prog_enter, bpf_func, insnsi
and __bpf_prog_exit as literals already takes at least 5 * 12 = 60
bytes, and we can't use relative addressing for most of them.
Therefore, lower BPF_MAX_TRAMP_LINKS on s390x.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230129190501.1624747-5-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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s390x eBPF JIT needs to know whether a function return value is signed
and which function arguments are signed, in order to generate code
compliant with the s390x ABI.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-26-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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This way it's possible to query its value from testcases using BTF.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
bpf-next 2023-01-28
We've added 124 non-merge commits during the last 22 day(s) which contain
a total of 124 files changed, 6386 insertions(+), 1827 deletions(-).
The main changes are:
1) Implement XDP hints via kfuncs with initial support for RX hash and
timestamp metadata kfuncs, from Stanislav Fomichev and
Toke Høiland-Jørgensen.
Measurements on overhead: https://lore.kernel.org/bpf/875yellcx6.fsf@toke.dk
2) Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case, from Andrii Nakryiko.
3) Significantly reduce the search time for module symbols by livepatch
and BPF, from Jiri Olsa and Zhen Lei.
4) Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs
in different time intervals, from David Vernet.
5) Fix several issues in the dynptr processing such as stack slot liveness
propagation, missing checks for PTR_TO_STACK variable offset, etc,
from Kumar Kartikeya Dwivedi.
6) Various performance improvements, fixes, and introduction of more
than just one XDP program to XSK selftests, from Magnus Karlsson.
7) Big batch to BPF samples to reduce deprecated functionality,
from Daniel T. Lee.
8) Enable struct_ops programs to be sleepable in verifier,
from David Vernet.
9) Reduce pr_warn() noise on BTF mismatches when they are expected under
the CONFIG_MODULE_ALLOW_BTF_MISMATCH config anyway, from Connor O'Brien.
10) Describe modulo and division by zero behavior of the BPF runtime
in BPF's instruction specification document, from Dave Thaler.
11) Several improvements to libbpf API documentation in libbpf.h,
from Grant Seltzer.
12) Improve resolve_btfids header dependencies related to subcmd and add
proper support for HOSTCC, from Ian Rogers.
13) Add ipip6 and ip6ip decapsulation support for bpf_skb_adjust_room()
helper along with BPF selftests, from Ziyang Xuan.
14) Simplify the parsing logic of structure parameters for BPF trampoline
in the x86-64 JIT compiler, from Pu Lehui.
15) Get BTF working for kernels with CONFIG_RUST enabled by excluding
Rust compilation units with pahole, from Martin Rodriguez Reboredo.
16) Get bpf_setsockopt() working for kTLS on top of TCP sockets,
from Kui-Feng Lee.
17) Disable stack protection for BPF objects in bpftool given BPF backends
don't support it, from Holger Hoffstätte.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (124 commits)
selftest/bpf: Make crashes more debuggable in test_progs
libbpf: Add documentation to map pinning API functions
libbpf: Fix malformed documentation formatting
selftests/bpf: Properly enable hwtstamp in xdp_hw_metadata
selftests/bpf: Calls bpf_setsockopt() on a ktls enabled socket.
bpf: Check the protocol of a sock to agree the calls to bpf_setsockopt().
bpf/selftests: Verify struct_ops prog sleepable behavior
bpf: Pass const struct bpf_prog * to .check_member
libbpf: Support sleepable struct_ops.s section
bpf: Allow BPF_PROG_TYPE_STRUCT_OPS programs to be sleepable
selftests/bpf: Fix vmtest static compilation error
tools/resolve_btfids: Alter how HOSTCC is forced
tools/resolve_btfids: Install subcmd headers
bpf/docs: Document the nocast aliasing behavior of ___init
bpf/docs: Document how nested trusted fields may be defined
bpf/docs: Document cpumask kfuncs in a new file
selftests/bpf: Add selftest suite for cpumask kfuncs
selftests/bpf: Add nested trust selftests suite
bpf: Enable cpumasks to be queried and used as kptrs
bpf: Disallow NULLable pointers for trusted kfuncs
...
====================
Link: https://lore.kernel.org/r/20230128004827.21371-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Conflicts:
drivers/net/ethernet/intel/ice/ice_main.c
418e53401e47 ("ice: move devlink port creation/deletion")
643ef23bd9dd ("ice: Introduce local var for readability")
https://lore.kernel.org/all/20230127124025.0dacef40@canb.auug.org.au/
https://lore.kernel.org/all/20230124005714.3996270-1-anthony.l.nguyen@intel.com/
drivers/net/ethernet/engleder/tsnep_main.c
3d53aaef4332 ("tsnep: Fix TX queue stop/wake for multiple queues")
25faa6a4c5ca ("tsnep: Replace TX spin_lock with __netif_tx_lock")
https://lore.kernel.org/all/20230127123604.36bb3e99@canb.auug.org.au/
net/netfilter/nf_conntrack_proto_sctp.c
13bd9b31a969 ("Revert "netfilter: conntrack: add sctp DATA_SENT state"")
a44b7651489f ("netfilter: conntrack: unify established states for SCTP paths")
f71cb8f45d09 ("netfilter: conntrack: sctp: use nf log infrastructure for invalid packets")
https://lore.kernel.org/all/20230127125052.674281f9@canb.auug.org.au/
https://lore.kernel.org/all/d36076f3-6add-a442-6d4b-ead9f7ffff86@tessares.net/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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linux/hrtimer.h include was added because apparently it used
to contain ktime related code. This is no longer the case
and we include linux/time.h explicitly.
Sadly this change is currently a noop because linux/dma-mapping.h
and net/page_pool.h pull in half of the universe.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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splice.h is included since commit a60e3cc7c929 ("net: make
skb_splice_bits more configureable") but really even then
all we needed is some forward declarations. Most of that
code is now gone, and remaining has fwd declarations.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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linux/sched.h was added for skb_mstamp_* (all the way back
before linux/sched.h got split and linux/sched/clock.h created).
We don't need it in skbuff.h any more.
Sadly this change is currently a noop because linux/dma-mapping.h
and net/page_pool.h pull in half of the universe.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It used to be necessary for skb_mstamp_* static inlines,
but those are gone since we moved to usec timestamps in
TCP, in 2017.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Number of files depend on linux/sched/clock.h getting included
by linux/skbuff.h which soon will no longer be the case.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This include was added for skb_find_text() but all we need there
is a forward declaration of struct ts_config.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It appears nothing needs it. The kernel builds fine with this
include removed, building an otherwise empty source file with:
#include <linux/skbuff.h>
#ifdef _LINUX_NET_H
#error linux/net.h is back
#endif
works too (meaning net.h is not just pulled in indirectly).
This gives us a slight 0.5% reduction in the pre-processed size
of skbuff.h.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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linux/net.h will soon not be included by linux/skbuff.h.
Fix the cases where source files were depending on the implicit
include.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
virtchnl: update and refactor
Jesse Brandeburg says:
The virtchnl.h file is used by i40e/ice physical function (PF) drivers
and irdma when talking to the iavf driver. This series cleans up the
header file by removing unused elements, adding/cleaning some comments,
fixing the data structures so they are explicitly defined, including
padding, and finally does a long overdue rename of the IWARP members in
the structures to RDMA, since the ice driver and it's associated Intel
Ethernet E800 series adapters support both RDMA and IWARP.
The whole series should result in no functional change, but hopefully
clearer code.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
virtchnl: i40e/iavf: rename iwarp to rdma
virtchnl: do structure hardening
virtchnl: update header and increase header clarity
virtchnl: remove unused structure declaration
====================
Link: https://lore.kernel.org/r/20230125212441.4030014-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Almost all validation logic is in the drivers, but they are
missing reliable way to convey failure reason to userspace
applications.
Let's use extack to return this information to users.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Almost all validation logic is in the drivers, but they are
missing reliable way to convey failure reason to userspace
applications.
Let's use extack to return this information to users.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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CONFIG_ETHTOOL_NETLINK=n
ethtool_aggregate_*_stats() are implemented in net/ethtool/stats.c, a
file which is compiled out when CONFIG_ETHTOOL_NETLINK=n. In order to
avoid adding Kbuild dependencies from drivers (which call these helpers)
on CONFIG_ETHTOOL_NETLINK, let's add some shim definitions which simply
make the helpers dead code.
This means the function prototypes should have been located in
include/linux/ethtool_netlink.h rather than include/linux/ethtool.h.
Fixes: 449c5459641a ("net: ethtool: add helpers for aggregate statistics")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230125110214.4127759-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In a set of prior changes, we added the ability for struct_ops programs
to be sleepable. This patch enhances the dummy_st_ops selftest suite to
validate this behavior by adding a new sleepable struct_ops entry to
dummy_st_ops.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230125164735.785732-5-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The .check_member field of struct bpf_struct_ops is currently passed the
member's btf_type via const struct btf_type *t, and a const struct
btf_member *member. This allows the struct_ops implementation to check
whether e.g. an ops is supported, but it would be useful to also enforce
that the struct_ops prog being loaded for that member has other
qualities, like being sleepable (or not). This patch therefore updates
the .check_member() callback to also take a const struct bpf_prog *prog
argument.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230125164735.785732-4-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Since the latest Intel hardware does both IWARP and ROCE, rename the
term IWARP in the virtchnl header to be RDMA. Do this for both upper and
lower case instances. Many of the non-virtchnl.h changes were done with
regular expression replacements using perl like:
perl -p -i -e 's/_IWARP/_RDMA/' <files>
perl -p -i -e 's/_iwarp/_rdma/' <files>
and I had to pick up a few instances manually.
The virtchnl.h header has some comments and clarity added around when to
use certain defines.
note: had to fix a checkpatch warning for a long line by wrapping one of
the lines I changed.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jakub Andrysiak <jakub.andrysiak@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The virtchnl interface can have a bunch of "soft" defined structures
hardened by using explicit sizes for declarations, and then referring to
the enum type that uses them in a comment. None of these changes should
change any of the structure sizes.
Also, remove a duplicate line in a switch statement and let two cases
uses the same code.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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We already have the SPDX header, so just leave a copyright notice with
an updated year and get rid of the boilerplate header (so 2002!).
In addition, update a couple of comments to clarify how the various
parts of the virtchannel header interaction work.
No functional changes.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Nothing uses virtchnl_msg, just remove it.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The struct device for ISM devices was part of struct smcd_dev. Move to
struct ism_dev, provide a new API call in struct smcd_ops, and convert
existing SMCD code accordingly.
Furthermore, remove struct smcd_dev from struct ism_dev.
This is the final part of a bigger overhaul of the interfaces between SMC
and ISM.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ism module had SMC-D-specific code sprinkled across the entire module.
We are now consolidating the SMC-D-specific parts into the latter parts
of the module, so it becomes more clear what code is intended for use with
ISM, and which parts are glue code for usage in the context of SMC-D.
This is the fourth part of a bigger overhaul of the interfaces between SMC
and ISM.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We separate the code implementing the struct smcd_ops API in the ISM
device driver from the functions that may be used by other exploiters of
ISM devices.
Note: We start out small, and don't offer the whole breadth of the ISM
device for public use, as many functions are specific to or likely only
ever used in the context of SMC-D.
This is the third part of a bigger overhaul of the interfaces between SMC
and ISM.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new API that allows other drivers to concurrently access ISM devices.
To do so, we introduce a new API that allows other modules to register for
ISM device usage. Furthermore, we move the GID to struct ism, where it
belongs conceptually, and rename and relocate struct smcd_event to struct
ism_event.
This is the first part of a bigger overhaul of the interfaces between SMC
and ISM.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conceptually, a DMB is a structure that belongs to ISM devices. However,
SMC currently 'owns' this structure. So future exploiters of ISM devices
would be forced to include SMC headers to work - which is just weird.
Therefore, we switch ISM to struct ism_dmb, introduce a new public header
with the definition (will be populated with further API calls later on),
and, add a thin wrapper to please SMC. Since structs smcd_dmb and ism_dmb
are identical, we can simply convert between the two for now.
Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When validating BTF types for KF_TRUSTED_ARGS kfuncs, the verifier
currently enforces that the top-level type must match when calling
the kfunc. In other words, the verifier does not allow the BPF program
to pass a bitwise equivalent struct, despite it being allowed according
to the C standard.
For example, if you have the following type:
struct nf_conn___init {
struct nf_conn ct;
};
The C standard stipulates that it would be safe to pass a struct
nf_conn___init to a kfunc expecting a struct nf_conn. The verifier
currently disallows this, however, as semantically kfuncs may want to
enforce that structs that have equivalent types according to the C
standard, but have different BTF IDs, are not able to be passed to
kfuncs expecting one or the other. For example, struct nf_conn___init
may not be queried / looked up, as it is allocated but may not yet be
fully initialized.
On the other hand, being able to pass types that are equivalent
according to the C standard will be useful for other types of kfunc /
kptrs enabled by BPF. For example, in a follow-on patch, a series of
kfuncs will be added which allow programs to do bitwise queries on
cpumasks that are either allocated by the program (in which case they'll
be a 'struct bpf_cpumask' type that wraps a cpumask_t as its first
element), or a cpumask that was allocated by the main kernel (in which
case it will just be a straight cpumask_t, as in task->cpus_ptr).
Having the two types of cpumasks allows us to distinguish between the
two for when a cpumask is read-only vs. mutatable. A struct bpf_cpumask
can be mutated by e.g. bpf_cpumask_clear(), whereas a regular cpumask_t
cannot be. On the other hand, a struct bpf_cpumask can of course be
queried in the exact same manner as a cpumask_t, with e.g.
bpf_cpumask_test_cpu().
If we were to enforce that top level types match, then a user that's
passing a struct bpf_cpumask to a read-only cpumask_t argument would
have to cast with something like bpf_cast_to_kern_ctx() (which itself
would need to be updated to expect the alias, and currently it only
accommodates a single alias per prog type). Additionally, not specifying
KF_TRUSTED_ARGS is not an option, as some kfuncs take one argument as a
struct bpf_cpumask *, and another as a struct cpumask *
(i.e. cpumask_t).
In order to enable this, this patch relaxes the constraint that a
KF_TRUSTED_ARGS kfunc must have strict type matching, and instead only
enforces strict type matching if a type is observed to be a "no-cast
alias" (i.e., that the type names are equivalent, but one is suffixed
with ___init).
Additionally, in order to try and be conservative and match existing
behavior / expectations, this patch also enforces strict type checking
for acquire kfuncs. We were already enforcing it for release kfuncs, so
this should also improve the consistency of the semantics for kfuncs.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230120192523.3650503-3-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
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In kfuncs, a "trusted" pointer is a pointer that the kfunc can assume is
safe, and which the verifier will allow to be passed to a
KF_TRUSTED_ARGS kfunc. Currently, a KF_TRUSTED_ARGS kfunc disallows any
pointer to be passed at a nonzero offset, but sometimes this is in fact
safe if the "nested" pointer's lifetime is inherited from its parent.
For example, the const cpumask_t *cpus_ptr field in a struct task_struct
will remain valid until the task itself is destroyed, and thus would
also be safe to pass to a KF_TRUSTED_ARGS kfunc.
While it would be conceptually simple to enable this by using BTF tags,
gcc unfortunately does not yet support this. In the interim, this patch
enables support for this by using a type-naming convention. A new
BTF_TYPE_SAFE_NESTED macro is defined in verifier.c which allows a
developer to specify the nested fields of a type which are considered
trusted if its parent is also trusted. The verifier is also updated to
account for this. A patch with selftests will be added in a follow-on
change, along with documentation for this feature.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230120192523.3650503-2-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Commit 2c7bc10d0f7b ("netlink: add macro for checking dump ctx size")
misspelled the name of the assert as asset, missing an R.
Reported-by: Ido Schimmel <idosch@idosch.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20230123222224.732338-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.3
First set of patches for v6.3. The most important change here is that
the old Wireless Extension user space interface is not supported on
Wi-Fi 7 devices at all. We also added a warning if anyone with modern
drivers (ie. cfg80211 and mac80211 drivers) tries to use Wireless
Extensions, everyone should switch to using nl80211 interface instead.
Static WEP support is removed, there wasn't any driver using that
anyway so there's no user impact. Otherwise it's smaller features and
fixes as usual.
Note: As mt76 had tricky conflicts due to the fixes in wireless tree,
we decided to merge wireless into wireless-next to solve them easily.
There should not be any merge problems anymore.
Major changes:
cfg80211
- remove never used static WEP support
- warn if Wireless Extention interface is used with cfg80211/mac80211 drivers
- stop supporting Wireless Extensions with Wi-Fi 7 devices
- support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting
rfkill
- add GPIO DT support
bitfield
- add FIELD_PREP_CONST()
mt76
- per-PHY LED support
rtw89
- support new Bluetooth co-existance version
rtl8xxxu
- support RTL8188EU
* tag 'wireless-next-2023-01-23' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (123 commits)
wifi: wireless: deny wireless extensions on MLO-capable devices
wifi: wireless: warn on most wireless extension usage
wifi: mac80211: drop extra 'e' from ieeee80211... name
wifi: cfg80211: Deduplicate certificate loading
bitfield: add FIELD_PREP_CONST()
wifi: mac80211: add kernel-doc for EHT structure
mac80211: support minimal EHT rate reporting on RX
wifi: mac80211: Add HE MU-MIMO related flags in ieee80211_bss_conf
wifi: mac80211: Add VHT MU-MIMO related flags in ieee80211_bss_conf
wifi: cfg80211: Use MLD address to indicate MLD STA disconnection
wifi: cfg80211: Support 32 bytes KCK key in GTK rekey offload
wifi: cfg80211: Fix extended KCK key length check in nl80211_set_rekey_data()
wifi: cfg80211: remove support for static WEP
wifi: rtl8xxxu: Dump the efuse only for untested devices
wifi: rtl8xxxu: Print the ROM version too
wifi: rtw88: Use non-atomic sta iterator in rtw_ra_mask_info_update()
wifi: rtw88: Use rtw_iterate_vifs() for rtw_vif_watch_dog_iter()
wifi: rtw88: Move register access from rtw_bf_assoc() outside the RCU
wifi: rtl8xxxu: Use a longer retry limit of 48
wifi: rtl8xxxu: Report the RSSI to the firmware
...
====================
Link: https://lore.kernel.org/r/20230123103338.330CBC433EF@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of rejecting the attaching of PROG_TYPE_EXT programs to XDP
programs that consume HW metadata, implement support for propagating the
offload information. The extension program doesn't need to set a flag or
ifindex, these will just be propagated from the target by the verifier.
We need to create a separate offload object for the extension program,
though, since it can be reattached to a different program later (which
means we can't just inherit the offload information from the target).
An additional check is added on attach that the new target is compatible
with the offload information in the extension prog.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230119221536.3349901-9-sdf@google.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Define a new kfunc set (xdp_metadata_kfunc_ids) which implements all possible
XDP metatada kfuncs. Not all devices have to implement them. If kfunc is not
supported by the target device, the default implementation is called instead.
The verifier, at load time, replaces a call to the generic kfunc with a call
to the per-device one. Per-device kfunc pointers are stored in separate
struct xdp_metadata_ops.
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: Alexander Lobakin <alexandr.lobakin@intel.com>
Cc: Magnus Karlsson <magnus.karlsson@gmail.com>
Cc: Maryam Tahhan <mtahhan@redhat.com>
Cc: xdp-hints@xdp-project.net
Cc: netdev@vger.kernel.org
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230119221536.3349901-8-sdf@google.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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New flag BPF_F_XDP_DEV_BOUND_ONLY plus all the infra to have a way
to associate a netdev with a BPF program at load time.
netdevsim checks are dropped in favor of generic check in dev_xdp_attach.
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: Alexander Lobakin <alexandr.lobakin@intel.com>
Cc: Magnus Karlsson <magnus.karlsson@gmail.com>
Cc: Maryam Tahhan <mtahhan@redhat.com>
Cc: xdp-hints@xdp-project.net
Cc: netdev@vger.kernel.org
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230119221536.3349901-6-sdf@google.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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BPF offloading infra will be reused to implement
bound-but-not-offloaded bpf programs. Rename existing
helpers for clarity. No functional changes.
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: Alexander Lobakin <alexandr.lobakin@intel.com>
Cc: Magnus Karlsson <magnus.karlsson@gmail.com>
Cc: Maryam Tahhan <mtahhan@redhat.com>
Cc: xdp-hints@xdp-project.net
Cc: netdev@vger.kernel.org
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230119221536.3349901-3-sdf@google.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
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We deliberately make the Linux UAPI pass the minimum fragment size in
octets, even though IEEE 802.3 defines it as discrete values, and
addFragSize is just the multiplier. This is because there is nothing
impossible in operating with an in-between value for the fragment size
of non-final preempted fragments, and there may even appear hardware
which supports the in-between sizes.
For the hardware which just understands the addFragSize multiplier,
create two helpers which translate back and forth the values passed in
octets.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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When a pMAC exists but the driver is unable to atomically query the
aggregate eMAC+pMAC statistics, the user should be given back at least
the sum of eMAC and pMAC counters queried separately.
This is a generic problem, so add helpers in ethtool to do this
operation, if the driver doesn't have a better way to report aggregate
stats. Do this in a way that does not require changes to these functions
when new stats are added (basically treat the structures as an array of
u64 values, except for the first element which is the stats source).
In include/linux/ethtool.h, there is already a section where helper
function prototypes should be placed. The trouble is, this section is
too early, before the definitions of struct ethtool_eth_mac_stats et.al.
Move that section at the end and append these new helpers to it.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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IEEE 802.3-2018 clause 99 defines a MAC Merge sublayer which contains an
Express MAC and a Preemptible MAC. Both MACs are hidden to higher and
lower layers and visible as a single MAC (packet classification to eMAC
or pMAC on TX is done based on priority; classification on RX is done
based on SFD).
For devices which support a MAC Merge sublayer, it is desirable to
retrieve individual packet counters from the eMAC and the pMAC, as well
as aggregate statistics (their sum).
Introduce a new ETHTOOL_A_STATS_SRC attribute which is part of the
policy of ETHTOOL_MSG_STATS_GET and, and an ETHTOOL_A_PAUSE_STATS_SRC
which is part of the policy of ETHTOOL_MSG_PAUSE_GET (accepted when
ETHTOOL_FLAG_STATS is set in the common ethtool header). Both of these
take values from enum ethtool_mac_stats_src, defaulting to "aggregate"
in the absence of the attribute.
Existing drivers do not need to pay attention to this enum which was
added to all driver-facing structures, just the ones which report the
MAC merge layer as supported.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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The MAC merge sublayer (IEEE 802.3-2018 clause 99) is one of 2
specifications (the other being Frame Preemption; IEEE 802.1Q-2018
clause 6.7.2), which work together to minimize latency caused by frame
interference at TX. The overall goal of TSN is for normal traffic and
traffic with a bounded deadline to be able to cohabitate on the same L2
network and not bother each other too much.
The standards achieve this (partly) by introducing the concept of
preemptible traffic, i.e. Ethernet frames that have a custom value for
the Start-of-Frame-Delimiter (SFD), and these frames can be fragmented
and reassembled at L2 on a link-local basis. The non-preemptible frames
are called express traffic, they are transmitted using a normal SFD, and
they can preempt preemptible frames, therefore having lower latency,
which can matter at lower (100 Mbps) link speeds, or at high MTUs (jumbo
frames around 9K). Preemption is not recursive, i.e. a P frame cannot
preempt another P frame. Preemption also does not depend upon priority,
or otherwise said, an E frame with prio 0 will still preempt a P frame
with prio 7.
In terms of implementation, the standards talk about the presence of an
express MAC (eMAC) which handles express traffic, and a preemptible MAC
(pMAC) which handles preemptible traffic, and these MACs are multiplexed
on the same MII by a MAC merge layer.
To support frame preemption, the definition of the SFD was generalized
to SMD (Start-of-mPacket-Delimiter), where an mPacket is essentially an
Ethernet frame fragment, or a complete frame. Stations unaware of an SMD
value different from the standard SFD will treat P frames as error
frames. To prevent that from happening, a negotiation process is
defined.
On RX, packets are dispatched to the eMAC or pMAC after being filtered
by their SMD. On TX, the eMAC/pMAC classification decision is taken by
the 802.1Q spec, based on packet priority (each of the 8 user priority
values may have an admin-status of preemptible or express).
The MAC Merge layer and the Frame Preemption parameters have some degree
of independence in terms of how software stacks are supposed to deal
with them. The activation of the MM layer is supposed to be controlled
by an LLDP daemon (after it has been communicated that the link partner
also supports it), after which a (hardware-based or not) verification
handshake takes place, before actually enabling the feature. So the
process is intended to be relatively plug-and-play. Whereas FP settings
are supposed to be coordinated across a network using something
approximating NETCONF.
The support contained here is exclusively for the 802.3 (MAC Merge)
portions and not for the 802.1Q (Frame Preemption) parts. This API is
sufficient for an LLDP daemon to do its job. The FP adminStatus variable
from 802.1Q is outside the scope of an LLDP daemon.
I have taken a few creative licenses and augmented the Linux kernel UAPI
compared to the standard managed objects recommended by IEEE 802.3.
These are:
- ETHTOOL_A_MM_PMAC_ENABLED: According to Figure 99-6: Receive
Processing state diagram, a MAC Merge layer is always supposed to be
able to receive P frames. However, this implies keeping the pMAC
powered on, which will consume needless power in applications where FP
will never be used. If LLDP is used, the reception of an Additional
Ethernet Capabilities TLV from the link partner is sufficient
indication that the pMAC should be enabled. So my proposal is that in
Linux, we keep the pMAC turned off by default and that user space
turns it on when needed.
- ETHTOOL_A_MM_VERIFY_ENABLED: The IEEE managed object is called
aMACMergeVerifyDisableTx. I opted for consistency (positive logic) in
the boolean netlink attributes offered, so this is also positive here.
Other than the meaning being reversed, they correspond to the same
thing.
- ETHTOOL_A_MM_MAX_VERIFY_TIME: I found it most reasonable for a LLDP
daemon to maximize the verifyTime variable (delay between SMD-V
transmissions), to maximize its chances that the LP replies. IEEE says
that the verifyTime can range between 1 and 128 ms, but the NXP ENETC
stupidly keeps this variable in a 7 bit register, so the maximum
supported value is 127 ms. I could have chosen to hardcode this in the
LLDP daemon to a lower value, but why not let the kernel expose its
supported range directly.
- ETHTOOL_A_MM_TX_MIN_FRAG_SIZE: the standard managed object is called
aMACMergeAddFragSize, and expresses the "additional" fragment size
(on top of ETH_ZLEN), whereas this expresses the absolute value of the
fragment size.
- ETHTOOL_A_MM_RX_MIN_FRAG_SIZE: there doesn't appear to exist a managed
object mandated by the standard, but user space clearly needs to know
what is the minimum supported fragment size of our local receiver,
since LLDP must advertise a value no lower than that.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are a number of small USB and Thunderbolt driver fixes and new
device id changes for 6.2-rc5. Included in here are:
- thunderbolt bugfixes for reported problems
- new usb-serial driver ids added
- onboard_hub usb driver fixes for much-reported problems
- xhci bugfixes
- typec bugfixes
- ehci-fsl driver module alias fix
- iowarrior header size fix
- usb gadget driver fixes
All of these, except for the iowarrior fix, have been in linux-next
with no reported issues. The iowarrior fix passed the 0-day testing
and is a one digit change based on a reported problem in the driver
(which was written to a spec, not the real device that is now
available)"
* tag 'usb-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits)
USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100
usb: host: ehci-fsl: Fix module alias
usb: dwc3: fix extcon dependency
usb: core: hub: disable autosuspend for TI TUSB8041
USB: fix misleading usb_set_intfdata() kernel doc
usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate()
USB: gadget: Add ID numbers to configfs-gadget driver names
usb: typec: tcpm: Fix altmode re-registration causes sysfs create fail
usb: gadget: g_webcam: Send color matching descriptor per frame
usb: typec: altmodes/displayport: Use proper macro for pin assignment check
usb: typec: altmodes/displayport: Fix pin assignment calculation
usb: typec: altmodes/displayport: Add pin assignment helper
usb: gadget: f_fs: Ensure ep0req is dequeued before free_request
usb: gadget: f_fs: Prevent race during ffs_ep0_queue_wait
usb: misc: onboard_hub: Move 'attach' work to the driver
usb: misc: onboard_hub: Invert driver registration order
usb: ucsi: Ensure connector delayed work items are flushed
usb: musb: fix error return code in omap2430_probe()
usb: chipidea: core: fix possible constant 0 if use IS_ERR(ci->role_switch)
xhci: Detect lpm incapable xHC USB3 roothub ports from ACPI tables
...
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1588 driver loses about 1us in adjtime operation at PTP slave
This is because adjtime operation uses a slow non-atomic tmr_cnt_read()
followed by tmr_cnt_write() operation.
In the above sequence, since the timer counter operation keeps
incrementing, it leads to latency. The tmr_offset register
(which is added to TMR_CNT_H/L register giving the current time)
must be programmed with the delta nanoseconds.
Signed-off-by: Nikhil Gupta <nikhil.gupta@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20230119204034.7969-1-nikhil.gupta@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The old way of performing a C45 bus transfer created a special
register value and passed it to the MDIO bus driver, in the hope it
would see the MII_ADDR_C45 bit set, and perform a C45 transfer. Now
that there is a clear separation of C22 and C45, this scheme is no
longer used. Remove all the #defines and helpers, to prevent any code
being added which tries to use it.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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The previous commit implemented destroy_if_dynptr_stack_slot. It
destroys the dynptr which given spi belongs to, but still doesn't
invalidate the slices that belong to such a dynptr. While for the case
of referenced dynptr, we don't allow their overwrite and return an error
early, we still allow it and destroy the dynptr for unreferenced dynptr.
To be able to enable precise and scoped invalidation of dynptr slices in
this case, we must be able to associate the source dynptr of slices that
have been obtained using bpf_dynptr_data. When doing destruction, only
slices belonging to the dynptr being destructed should be invalidated,
and nothing else. Currently, dynptr slices belonging to different
dynptrs are indistinguishible.
Hence, allocate a unique id to each dynptr (CONST_PTR_TO_DYNPTR and
those on stack). This will be stored as part of reg->id. Whenever using
bpf_dynptr_data, transfer this unique dynptr id to the returned
PTR_TO_MEM_OR_NULL slice pointer, and store it in a new per-PTR_TO_MEM
dynptr_id register state member.
Finally, after establishing such a relationship between dynptrs and
their slices, implement precise invalidation logic that only invalidates
slices belong to the destroyed dynptr in destroy_if_dynptr_stack_slot.
Acked-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20230121002241.2113993-5-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
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drivers/net/ipa/ipa_interrupt.c
drivers/net/ipa/ipa_interrupt.h
9ec9b2a30853 ("net: ipa: disable ipa interrupt during suspend")
8e461e1f092b ("net: ipa: introduce ipa_interrupt_enable()")
d50ed3558719 ("net: ipa: enable IPA interrupt handlers separate from registration")
https://lore.kernel.org/all/20230119114125.5182c7ab@canb.auug.org.au/
https://lore.kernel.org/all/79e46152-8043-a512-79d9-c3b905462774@tessares.net/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC DT and driver fixes from Arnd Bergmann:
"Lots of dts fixes for Qualcomm Snapdragon and NXP i.MX platforms,
including:
- A regression fix for SDHCI controllers on Inforce 6540, and another
SDHCI fix on SM8350
- Reenable cluster idle on sm8250 after the the code fix is upstream
- multiple fixes for the QMP PHY binding, needing an incompatible dt
change
- The reserved memory map is updated on Xiaomi Mi 4C and Huawei Nexus
6P, to avoid instabilities caused by use of protected memory
regions
- Fix i.MX8MP DT for missing GPC Interrupt, power-domain typo and USB
clock error
- A couple of verdin-imx8mm DT fixes for audio playback support
- Fix pca9547 i2c-mux node name for i.MX and Vybrid device trees
- Fix an imx93-11x11-evk uSDHC pad setting problem that causes Micron
eMMC CMD8 CRC error in HS400ES/HS400 mode
The remaining ARM and RISC-V platforms only have very few smaller dts
bugfixes this time:
- A fix for the SiFive unmatched board's PCI memory space
- A revert to fix a regression with GPIO on Marvell Armada
- A fix for the UART address on Marvell AC5
- Missing chip-select phandles for stm32 boards
- Selecting the correct clock for the sam9x60 memory controller
- Amlogic based Odroid-HC4 needs a revert to restore USB
functionality.
And finally, there are some minor code fixes:
- Build fixes for OMAP1, pxa, riscpc, raspberry pi firmware, and zynq
firmware
- memory controller driver fixes for an OMAP regression and older
bugs on tegra, atmel and mvebu
- reset controller fixes for ti-sci and uniphier platforms
- ARM SCMI firmware fixes for a couple of rare corner cases
- Qualcomm platform driver fixes for incorrect error handling and a
backwards compatibility fix for the apr driver using older dtb
- NXP i.MX SoC driver fixes for HDMI output, error handling in the
imx8 soc-id and missing reference counting on older cpuid code"
* tag 'soc-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (60 commits)
firmware: zynqmp: fix declarations for gcc-13
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp151a-prtt1l
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp157c-emstamp-argon
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som
ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcor-som
ARM: dts: at91: sam9x60: fix the ddr clock for sam9x60
ARM: omap1: fix building gpio15xx
ARM: omap1: fix !ARCH_OMAP1_ANY link failures
firmware: raspberrypi: Fix type assignment
arm64: dts: qcom: msm8992-libra: Fix the memory map
arm64: dts: qcom: msm8992: Don't use sfpb mutex
PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()
arm64: dts: msm8994-angler: fix the memory map
arm64: dts: marvell: AC5/AC5X: Fix address for UART1
ARM: footbridge: drop unnecessary inclusion
Revert "ARM: dts: armada-39x: Fix compatible string for gpios"
Revert "ARM: dts: armada-38x: Fix compatible string for gpios"
ARM: pxa: enable PXA310/PXA320 for DT-only build
riscv: dts: sifive: fu740: fix size of pcie 32bit memory
soc: qcom: apr: Make qcom,protection-domain optional again
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, bluetooth, bpf and netfilter.
Current release - regressions:
- Revert "net: team: use IFF_NO_ADDRCONF flag to prevent ipv6
addrconf", fix nsna_ping mode of team
- wifi: mt76: fix bugs in Rx queue handling and DMA mapping
- eth: mlx5:
- add missing mutex_unlock in error reporter
- protect global IPsec ASO with a lock
Current release - new code bugs:
- rxrpc: fix wrong error return in rxrpc_connect_call()
Previous releases - regressions:
- bluetooth: hci_sync: fix use of HCI_OP_LE_READ_BUFFER_SIZE_V2
- wifi:
- mac80211: fix crashes on Rx due to incorrect initialization of
rx->link and rx->link_sta
- mac80211: fix bugs in iTXQ conversion - Tx stalls, incorrect
aggregation handling, crashes
- brcmfmac: fix regression for Broadcom PCIe wifi devices
- rndis_wlan: prevent buffer overflow in rndis_query_oid
- netfilter: conntrack: handle tcp challenge acks during connection
reuse
- sched: avoid grafting on htb_destroy_class_offload when destroying
- virtio-net: correctly enable callback during start_xmit, fix stalls
- tcp: avoid the lookup process failing to get sk in ehash table
- ipa: disable ipa interrupt during suspend
- eth: stmmac: enable all safety features by default
Previous releases - always broken:
- bpf:
- fix pointer-leak due to insufficient speculative store bypass
mitigation (Spectre v4)
- skip task with pid=1 in send_signal_common() to avoid a splat
- fix BPF program ID information in BPF_AUDIT_UNLOAD as well as
PERF_BPF_EVENT_PROG_UNLOAD events
- fix potential deadlock in htab_lock_bucket from same bucket
index but different map_locked index
- bluetooth:
- fix a buffer overflow in mgmt_mesh_add()
- hci_qca: fix driver shutdown on closed serdev
- ISO: fix possible circular locking dependency
- CIS: hci_event: fix invalid wait context
- wifi: brcmfmac: fixes for survey dump handling
- mptcp: explicitly specify sock family at subflow creation time
- netfilter: nft_payload: incorrect arithmetics when fetching VLAN
header bits
- tcp: fix rate_app_limited to default to 1
- l2tp: close all race conditions in l2tp_tunnel_register()
- eth: mlx5: fixes for QoS config and eswitch configuration
- eth: enetc: avoid deadlock in enetc_tx_onestep_tstamp()
- eth: stmmac: fix invalid call to mdiobus_get_phy()
Misc:
- ethtool: add netlink attr in rss get reply only if the value is not
empty"
* tag 'net-6.2-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
Revert "Merge branch 'octeontx2-af-CPT'"
tcp: fix rate_app_limited to default to 1
bnxt: Do not read past the end of test names
net: stmmac: enable all safety features by default
octeontx2-af: add mbox to return CPT_AF_FLT_INT info
octeontx2-af: update cpt lf alloc mailbox
octeontx2-af: restore rxc conf after teardown sequence
octeontx2-af: optimize cpt pf identification
octeontx2-af: modify FLR sequence for CPT
octeontx2-af: add mbox for CPT LF reset
octeontx2-af: recover CPT engine when it gets fault
net: dsa: microchip: ksz9477: port map correction in ALU table entry register
selftests/net: toeplitz: fix race on tpacket_v3 block close
net/ulp: use consistent error code when blocking ULP
octeontx2-pf: Fix the use of GFP_KERNEL in atomic context on rt
tcp: avoid the lookup process failing to get sk in ehash table
Revert "net: team: use IFF_NO_ADDRCONF flag to prevent ipv6 addrconf"
MAINTAINERS: add networking entries for Willem
net: sched: gred: prevent races when adding offloads to stats
l2tp: prevent lockdep issue in l2tp_tunnel_register()
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