Rework the remaining setsockopt code to pass a sockptr_t instead of a
plain user pointer. This removes the last remaining set_fs(KERNEL_DS)
outside of architecture specific code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154]
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Factour out a helper to set the IPv6 option headers from
do_ipv6_setsockopt.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Note that the get case is pretty weird in that it actually copies data
back to userspace from setsockopt.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Split ipv6_flowlabel_opt into a subfunction for each action and a small
wrapper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is mostly to prepare for cleaning up the callers, as bpfilter by
design can't handle kernel pointers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a uptr_t type that can hold a pointer to either a user or kernel
memory region, and simply helpers to copy to and from it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The bpfilter user mode helper processes the optval address using
process_vm_readv. Don't send it kernel addresses fed under
set_fs(KERNEL_DS) as that won't work.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Split __bpfilter_process_sockopt into a low-level send request routine and
the actual setsockopt hook to split the init time ping from the actual
setsockopt processing.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The __user doesn't make sense when casting to an integer type, just
switch to a uintptr_t cast which also removes the need for the __force.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ariel Levkovich says:
====================
TC datapath hash api
Hash based packet classification allows user to set up rules that
provide load balancing of traffic across multiple vports and
for ECMP path selection while keeping the number of rule at minimum.
Instead of matching on exact flow spec, which requires a rule per
flow, user can define rules based on a their hash value and distribute
the flows to different buckets. The number of rules
in this case will be constant and equal to the number of buckets.
The series introduces an extention to the cls flower classifier
and allows user to add rules that match on the hash value that
is stored in skb->hash while assuming the value was set prior to
the classification.
Setting the skb->hash can be done in various ways and is not defined
in this series - for example:
1. By the device driver upon processing an rx packet.
2. Using tc action bpf with a program which computes and sets the
skb->hash value.
$ tc filter add dev ens1f0_0 ingress \
prio 1 chain 2 proto ip \
flower hash 0x0/0xf \
action mirred egress redirect dev ens1f0_1
$ tc filter add dev ens1f0_0 ingress \
prio 1 chain 2 proto ip \
flower hash 0x1/0xf \
action mirred egress redirect dev ens1f0_2
v3 -> v4:
*Drop hash setting code leaving only the classidication parts.
Setting the hash will be possible via existing tc action bpf.
v2 -> v3:
*Split hash algorithm option into 2 different actions.
Asym_l4 available via act_skbedit and bpf via new act_hash.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Adding new cls flower keys for hash value and hash
mask and dissect the hash info from the skb into
the flow key towards flow classication.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Retreive a hash value from the SKB and store it
in the dissector key for future matching.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An imbalanced TX indirection table causes netvsc to have low
performance. This table is created and managed during runtime. To help
better diagnose performance issues caused by imbalanced tables, it needs
make TX indirection tables visible.
Because TX indirection table is driver specified information, so
display it via ethtool register dump.
Signed-off-by: Chi Song <chisong@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I noticed that touching linux/rhashtable.h causes lib/vsprintf.c to
be rebuilt. This dependency came through a bogus inclusion in the
file net/flow_offload.h. This patch moves it to the right place.
This patch also removes a lingering rhashtable inclusion in cls_api
created by the same commit.
Fixes: 4e481908c5 ("flow_offload: move tc indirect block to...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
CAN_M_CAN_PLATFORM is needed to probe the driver on sama5 platforms
after the driver was split into multiple files.
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200723162434.1983643-3-codrin.ciubotariu@microchip.com
These modules are needed to configure bridges in Linux, to take full
advantage of the KSZ switch capabilities.
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200723162434.1983643-2-codrin.ciubotariu@microchip.com
Enable DSA and KSZ9477 support as modules. Ethernet switches are used by
the SAMA5D2-ICP board.
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200723162434.1983643-1-codrin.ciubotariu@microchip.com
The sparse tool complains as follows:
drivers/soc/ti/knav_qmss_acc.c:453:23: warning:
symbol 'knav_acc_range_ops' was not declared. Should it be static?
'knav_acc_range_ops' is not used outside of knav_qmss_acc.c,
so marks it static.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Drop the repeated word "an" in a comment.
Insert "and" between "source" and "destination" as is done a few
lines earlier.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Drop the repeated word "the" in a comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Merge misc fixes from Andrew Morton:
"Subsystems affected by this patch series: mm/pagemap, mm/shmem,
mm/hotfixes, mm/memcg, mm/hugetlb, mailmap, squashfs, scripts,
io-mapping, MAINTAINERS, and gdb"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
MAINTAINERS: add KCOV section
io-mapping: indicate mapping failure
scripts/decode_stacktrace: strip basepath from all paths
squashfs: fix length field overlap check in metadata reading
mailmap: add entry for Mike Rapoport
khugepaged: fix null-pointer dereference due to race
mm/hugetlb: avoid hardcoding while checking if cma is enabled
mm: memcg/slab: fix memory leak at non-root kmem_cache destroy
mm/memcg: fix refcount error while moving and swapping
mm/memcontrol: fix OOPS inside mem_cgroup_get_nr_swap_pages()
mm: initialize return of vm_insert_pages
vfs/xattr: mm/shmem: kernfs: release simple xattr entry in a right way
mm/mmap.c: close race between munmap() and expand_upwards()/downwards()
We only request ring pairs via K3 DMA driver, switch to use the new
k3_ringacc_request_rings_pair() to simplify the code.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Separate SoC specific initialization and and OF mach data in preparation of
adding support for more K3 SoCs
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add new API k3_ringacc_request_rings_pair() to request pair of rings at
once, as in the most cases Rings are used with DMA channels, which need to
request pair of rings - one to feed DMA with descriptors (TX/RX FDQ) and
one to receive completions (RX/TX CQ). This will allow to simplify Ringacc
API users.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Pull xtensa csum regression fix from Al Viro:
"Max Filippov caught a breakage introduced in xtensa this cycle
by the csum_and_copy_..._user() series.
Cut'n'paste from the wrong source - the check that belongs
in csum_and_copy_to_user() ended up both there and in
csum_and_copy_from_user()"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
xtensa: fix access check in csum_and_copy_from_user
Add struct k3_ring *ring->flags to the ring dump.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Move the free, occ, windex and rindex under a struct. We can use memset to
zero them and it will allow a cleaner way to extend driver functionality in
the future,
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
- Fix compat vDSO build flags for recent versions of clang
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into master
Pull arm64 fix from Will Deacon:
"Fix compat vDSO build flags for recent versions of clang to tell it
where to find the assembler"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: vdso32: Fix '--prefix=' value for newer versions of clang
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Merge tag 'for-5.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into master
Pull btrfs fixes from David Sterba:
"A few resouce leak fixes from recent patches, all are stable material.
The problems have been observed during testing or have a reproducer"
* tag 'for-5.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix mount failure caused by race with umount
btrfs: fix page leaks after failure to lock page for delalloc
btrfs: qgroup: fix data leak caused by race between writeback and truncate
btrfs: fix double free on ulist after backref resolution failure
