Граф коммитов

681122 Коммитов

Автор SHA1 Сообщение Дата
Michail Georgios Etairidis 6c782a5ea5 i2c: imx: Use correct function to write to register
The i2c-imx driver incorrectly uses readb()/writeb() to read and
write to the appropriate registers when performing a repeated start.
The appropriate imx_i2c_read_reg()/imx_i2c_write_reg() functions
should be used instead. Performing a repeated start results in
a kernel panic. The platform is imx.

Signed-off-by: Michail G Etairidis <m.etairidis@beck-ipc.com>
Fixes: ce1a78840f ("i2c: imx: add DMA support for freescale i2c driver")
Fixes: 054b62d9f2 ("i2c: imx: fix the i2c bus hang issue when do repeat restart")
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-06-22 10:52:02 +02:00
Yossi Kuperman ca3a1b8566 esp6_offload: Fix IP6CB(skb)->nhoff for ESP GRO
IP6CB(skb)->nhoff is the offset of the nexthdr field in an IPv6
header, unless there are extension headers present, in which case
nhoff points to the nexthdr field of the last extension header.

In non-GRO code path, nhoff is set by ipv6_rcv before any XFRM code
is executed. Conversely, in GRO code path (when esp6_offload is loaded),
nhoff is not set. The following functions fail to read the correct value
and eventually the packet is dropped:

    xfrm6_transport_finish
    xfrm6_tunnel_input
    xfrm6_rcv_tnl

Set nhoff to the proper offset of nexthdr in esp6_gro_receive.

Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-06-22 10:49:14 +02:00
Yossi Kuperman 7c88e21aef xfrm6: Fix IPv6 payload_len in xfrm6_transport_finish
IPv6 payload length indicates the size of the payload, including any
extension headers.

In xfrm6_transport_finish, ipv6_hdr(skb)->payload_len is set to the
payload size only, regardless of the presence of any extension headers.
After ESP GRO transport mode decapsulation, ipv6_rcv trims the packet
according to the wrong payload_len, thus corrupting the packet.

Set payload_len to account for extension headers as well.

Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-06-22 10:49:14 +02:00
Linus Torvalds 8d829b9bb8 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "This contains a set of fixes for xen-blkback by way of Konrad, and a
  performance regression fix for blk-mq for shared tags.

  The latter could account for as much as a 50x reduction in
  performance, with the test case from the user with 500 name spaces. A
  more realistic setup on my end with 32 drives showed a 3.5x drop. The
  fix has been thoroughly tested before being committed"

* 'for-linus' of git://git.kernel.dk/linux-block:
  blk-mq: fix performance regression with shared tags
  xen-blkback: don't leak stack data via response ring
  xen/blkback: don't use xen_blkif_get() in xen-blkback kthread
  xen/blkback: don't free be structure too early
  xen/blkback: fix disconnect while I/Os in flight
2017-06-21 22:15:00 -07:00
Darrick J. Wong eb5e248d50 xfs: don't allow bmap on rt files
bmap returns a dumb LBA address but not the block device that goes with
that LBA.  Swapfiles don't care about this and will blindly assume that
the data volume is the correct blockdev, which is totally bogus for
files on the rt subvolume.  This results in the swap code doing IOs to
arbitrary locations on the data device(!) if the passed in mapping is a
realtime file, so just turn off bmap for rt files.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2017-06-21 20:27:35 -07:00
Richard Genoud 2f263d1451 kbuild: fix header installation under fakechroot environment
Since commit fcc8487d47 ("uapi: export all headers under uapi
directories") fakechroot make bindeb-pkg fails, mismatching files for
directories:
touch: cannot touch 'usr/include/video/uvesafb.h/.install': Not a
directory

This due to a bug in fakechroot:
when using the function $(wildcard $(srcdir)/*/.) in a makefile, under a
fakechroot environment, not only directories but also files are
returned.

To circumvent that, we are using the functions:
$(sort $(dir $(wildcard $(srcdir)/*/))))

Fixes: fcc8487d47 ("uapi: export all headers under uapi directories")
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-22 08:34:34 +09:00
David S. Miller 3d09198243 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two entries being added at the same time to the IFLA
policy table, whilst parallel bug fixes to decnet
routing dst handling overlapping with the dst gc removal
in net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 17:35:22 -04:00
Jarkko Nikula e4330d8bf6 ACPI / scan: Fix enumeration for special SPI and I2C devices
Commit f406270bf7 ("ACPI / scan: Set the visited flag for all
enumerated devices") caused that two group of special SPI or I2C
devices do not enumerate. SPI and I2C devices are expected to be
enumerated by the SPI and I2C subsystems but change caused that
acpi_bus_attach() marks those devices with acpi_device_set_enumerated().

First group of devices are matched using Device Tree compatible property
with special _HID "PRP0001". Those devices have matched scan handler,
acpi_scan_attach_handler() retuns 1 and acpi_bus_attach() marks them
with acpi_device_set_enumerated().

Second group of devices without valid _HID such as "LNXVIDEO" have
device->pnp.type.platform_id set to zero and change again marks them
with acpi_device_set_enumerated().

Fix this by flagging the SPI and I2C devices during struct acpi_device
object initialization time and let the code in acpi_bus_attach() to go
through the device_attach() and acpi_default_enumeration() path for all
SPI and I2C devices.

Fixes: f406270bf7 (ACPI / scan: Set the visited flag for all enumerated devices)
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 4.11+ <stable@vger.kernel.org> # 4.11+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-21 23:14:55 +02:00
Linus Torvalds 48b6bbef9a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix refcounting wrt timers which hold onto inet6 address objects,
    from Xin Long.

 2) Fix an ancient bug in wireless wext ioctls, from Johannes Berg.

 3) Firmware handling fixes in brcm80211 driver, from Arend Van Spriel.

 4) Several mlx5 driver fixes (firmware readiness, timestamp cap
    reporting, devlink command validity checking, tc offloading, etc.)
    From Eli Cohen, Maor Dickman, Chris Mi, and Or Gerlitz.

 5) Fix dst leak in IP/IP6 tunnels, from Haishuang Yan.

 6) Fix dst refcount bug in decnet, from Wei Wang.

 7) Netdev can be double freed in register_vlan_device(). Fix from Gao
    Feng.

 8) Don't allow object to be destroyed while it is being dumped in SCTP,
    from Xin Long.

 9) Fix dpaa_eth build when modular, from Madalin Bucur.

10) Fix throw route leaks, from Serhey Popovych.

11) IFLA_GROUP missing from if_nlmsg_size() and ifla_policy[] table,
    also from Serhey Popovych.

12) Fix premature TX SKB free in stmmac, from Niklas Cassel.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
  igmp: add a missing spin_lock_init()
  net: stmmac: free an skb first when there are no longer any descriptors using it
  sfc: remove duplicate up_write on VF filter_sem
  rtnetlink: add IFLA_GROUP to ifla_policy
  ipv6: Do not leak throw route references
  dt-bindings: net: sms911x: Add missing optional VDD regulators
  dpaa_eth: reuse the dma_ops provided by the FMan MAC device
  fsl/fman: propagate dma_ops
  net/core: remove explicit do_softirq() from busy_poll_stop()
  fib_rules: Resolve goto rules target on delete
  sctp: ensure ep is not destroyed before doing the dump
  net/hns:bugfix of ethtool -t phy self_test
  net: 8021q: Fix one possible panic caused by BUG_ON in free_netdev
  cxgb4: notify uP to route ctrlq compl to rdma rspq
  ip6_tunnel: Correct tos value in collect_md mode
  decnet: always not take dst->__refcnt when inserting dst into hash table
  ip6_tunnel: fix potential issue in __ip6_tnl_rcv
  ip_tunnel: fix potential issue in ip_tunnel_rcv
  brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()
  net/mlx5e: Avoid doing a cleanup call if the profile doesn't have it
  ...
2017-06-21 12:40:20 -07:00
David S. Miller 52f80dca7a Merge branch 'qed-File-split-and-rename-towards-iWARP-support'
Michal Kalderon says:

====================
qed*: File split and rename towards iWARP support

This patch series makes a few more infrastructure changes towards adding
iWARP support. Hopefully this is the last infrastructure change
prior to the iWARP RFC.

Patch #1-3 take care of taking all the common iWARP/RoCE code out of
qed_roce.[ch] and placing it in qed_rdma.[ch]
Patch #4 renames the roce interface file as it is common for
RoCE and iWARP. This patch touches qedr as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:33:00 -04:00
Kalderon, Michal 7003cdd6a1 qed*: Rename qed_roce_if.h to qed_rdma_if.h
Rename the qed_roce_if file to qed_rdma_if as it
represents a common interface for RoCE and iWARP.

this commit affects RDMA/qedr as well.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:32:59 -04:00
Kalderon, Michal b71b9afdf6 qed: Split rdma content between qed_rdma and qed_roce
This patch places common iWARP / RoCE code in qed_rdma
and roce specific code in qed_roce

There is one new function ( qed_roce_setup ) added, the rest
of the patch removes content from the files and removes some
static definitions.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:32:59 -04:00
Kalderon, Michal f1372ee119 qed: Duplicate qed_roce.[ch] to qed_rdma.[ch]
This patch adds files that will contain common code for RoCE/iWARP.
The files are currently identical to qed_roce.c / qed_roce.h and
intentionally not added to the makefile. The next patch in the series
will modify the files so that roce specific code is left in qed_roce
and common roce/iwarp code will be placed in qed_rdma

This patch is the result of a simple
cp qed_rdma.c qed_roce.c
cp qed_rdma.h qed_roce.h

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:32:59 -04:00
Kalderon, Michal 8e8dddba72 qed: Cleanup qed_roce before duplicating it
The next patch in the series will duplicate qed_roce as part
of code preprations for iWARP support. Do some cleanup before
duplicating

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:32:58 -04:00
Linus Torvalds ce879b64a7 Pin control fixes for v4.12, take three:
- Make the AMD driver use a regular interrupt rather than a chained one,
   so the system does not lock up.
 
 - Fix a function call error deep inside the STM32 driver.
 -----BEGIN PGP SIGNATURE-----
 
 iQIcBAABAgAGBQJZSQshAAoJEEEQszewGV1zyOMP/iNDNNnLbR3GhrZRA9UwBBqL
 aBYB6zyg4KOWf5Zey93H4MnXe1S0oI7l2W4aTTHTb+F3z4zjYA65AOGPfL5UcPjl
 46xCCgP+tPT3atMV5HdznuP+9dCgbUUjHBtzy0XzhfaRQkJ1XxNU+u82gyuB4JGS
 ZZLxISFcYHDoIb6bKGFssTr6aPe+A5WgxVbV/GntJT9AUEo9kKOo1s2GdS3yNjPl
 MHV4f6cxLMrRqxDsrFPG+uFd0YEsIKe4iBMgE4qBy+ZELWr4D8i2owY6EPLtY17q
 auzlXtFepMGAOMm0EYyQOn2YgKXZyR57sep6cIbeE0f//mgqlvszDT+j9/I7ZPLx
 cFBEI0C1vjw1M2P3/TKgWBMalgZ5mmIwMTKF9qeuVzbTT/leJtUYO5PuAaFj7E62
 bGzx1NEaGqMRoQgxm5kGTgws3TPYzusSq+m+nfY9UQnHdjgkbFh4FBsn54c/PwHM
 5woz+ToAAdCp+eA4DuklBUloiZXjSsLwK8tZBSIlEcKdOJYF2R9vjjhijpUVAZIp
 8TeQWABxcE3NmxCctBV+UGx1geMPyqXvwiyEvc1QOm2iK0Md97YRE0gWDDXE7ne/
 GdEcRCkzGVVl15EtL2u4OgsxejmUdIptelm105eE57k/giGZckUoI9cNpFO5B9/2
 mfIJD46IwgtWYwVJwHqk
 =2zx1
 -----END PGP SIGNATURE-----

Merge tag 'pinctrl-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull more pin control fixes from Linus Walleij:
 "Some late arriving fixes. I should have sent earlier, just swamped
  with work as usual. Thomas patch makes AMD systems usable despite
  firmware bugs so it is fairly important.

   - Make the AMD driver use a regular interrupt rather than a chained
     one, so the system does not lock up.

   - Fix a function call error deep inside the STM32 driver"

* tag 'pinctrl-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: stm32: Fix bad function call
  pinctrl/amd: Use regular interrupt instead of chained
2017-06-21 12:16:12 -07:00
Daniel Borkmann e86283071f bpf: expose prog id for cls_bpf and act_bpf
In order to be able to retrieve the attached programs from cls_bpf
and act_bpf, we need to expose the prog ids via netlink so that
an application can later on get an fd based on the id through the
BPF_PROG_GET_FD_BY_ID command, and dump related prog info via
BPF_OBJ_GET_INFO_BY_FD command for bpf(2).

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 15:14:23 -04:00
Linus Torvalds db1b5ccd27 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:

 - revert of a commit to magicmouse driver that regressess certain
   devices, from Daniel Stone

 - quirk for a specific Dell mouse, from Sebastian Parschauer

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  Revert "HID: magicmouse: Set multi-touch keybits for Magic Mouse"
  HID: Add quirk for Dell PIXART OEM mouse
2017-06-21 12:06:29 -07:00
Linus Torvalds dcba71086e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina:
 "Fix the way how livepatches are being stacked with respect to RCU,
  from Petr Mladek"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
  livepatch: Fix stacking of patches with respect to RCU
2017-06-21 12:02:48 -07:00
Linus Torvalds 021f601980 Merge branch 'ufs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more ufs fixes from Al Viro:
 "More UFS fixes, unfortunately including build regression fix for the
  64-bit s_dsize commit. Fixed in this pile:

   - trivial bug in signedness of 32bit timestamps on ufs1

   - ESTALE instead of ufs_error() when doing open-by-fhandle on
     something deleted

   - build regression on 32bit in ufs_new_fragments() - calculating that
     many percents of u64 pulls libgcc stuff on some of those. Mea
     culpa.

   - fix hysteresis loop broken by typo in 2.4.14.7 (right next to the
     location of previous bug).

   - fix the insane limits of said hysteresis loop on filesystems with
     very low percentage of reserved blocks. If it's 5% or less, just
     use the OPTSPACE policy.

   - calculate those limits once and mount time.

  This tree does pass xfstests clean (both ufs1 and ufs2) and it _does_
  survive cross-builds.

  Again, my apologies for missing that, especially since I have noticed
  a related percentage-of-64bit issue in earlier patches (when dealing
  with amount of reserved blocks). Self-LART applied..."

* 'ufs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ufs: fix the logics for tail relocation
  ufs_iget(): fail with -ESTALE on deleted inode
  fix signedness of timestamps on ufs1
2017-06-21 11:30:52 -07:00
Helge Deller bd726c90b6 Allow stack to grow up to address space limit
Fix expand_upwards() on architectures with an upward-growing stack (parisc,
metag and partly IA-64) to allow the stack to reliably grow exactly up to
the address space limit given by TASK_SIZE.

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-06-21 11:07:18 -07:00
Hugh Dickins f4cb767d76 mm: fix new crash in unmapped_area_topdown()
Trinity gets kernel BUG at mm/mmap.c:1963! in about 3 minutes of
mmap testing.  That's the VM_BUG_ON(gap_end < gap_start) at the
end of unmapped_area_topdown().  Linus points out how MAP_FIXED
(which does not have to respect our stack guard gap intentions)
could result in gap_end below gap_start there.  Fix that, and
the similar case in its alternative, unmapped_area().

Cc: stable@vger.kernel.org
Fixes: 1be7107fbe ("mm: larger stack guard gap, between vmas")
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Debugged-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-06-21 10:56:11 -07:00
Jens Axboe 8e8320c931 blk-mq: fix performance regression with shared tags
If we have shared tags enabled, then every IO completion will trigger
a full loop of every queue belonging to a tag set, and every hardware
queue for each of those queues, even if nothing needs to be done.
This causes a massive performance regression if you have a lot of
shared devices.

Instead of doing this huge full scan on every IO, add an atomic
counter to the main queue that tracks how many hardware queues have
been marked as needing a restart. With that, we can avoid looking for
restartable queues, if we don't have to.

Max reports that this restores performance. Before this patch, 4K
IOPS was limited to 22-23K IOPS. With the patch, we are running at
950-970K IOPS.

Fixes: 6d8c6c0f97 ("blk-mq: Restart a single queue if tag sets are shared")
Reported-by: Max Gurtovoy <maxg@mellanox.com>
Tested-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Tested-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-06-21 10:17:49 -06:00
Mike Snitzer feb7695fe9 dm io: fix duplicate bio completion due to missing ref count
If only a subset of the devices associated with multiple regions support
a given special operation (eg. DISCARD) then the dec_count() that is
used to set error for the region must increment the io->count.

Otherwise, when the dec_count() is called it can cause the dm-io
caller's bio to be completed multiple times.  As was reported against
the dm-mirror target that had mirror legs with a mix of discard
capabilities.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=196077
Reported-by: Zhang Yi <yizhan@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2017-06-21 12:04:50 -04:00
Mike Snitzer 7def52b78a dm integrity: fix to not disable/enable interrupts from interrupt context
Use spin_lock_irqsave and spin_unlock_irqrestore rather than
spin_{lock,unlock}_irq in submit_flush_bio().

Otherwise lockdep issues the following warning:
  DEBUG_LOCKS_WARN_ON(current->hardirq_context)
  WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:2748 trace_hardirqs_on_caller+0x107/0x180

Reported-by: Ondrej Kozina <okozina@redhat.com>
Tested-by: Ondrej Kozina <okozina@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
2017-06-21 11:45:02 -04:00
Paolo Abeni 34cfb542b5 sock: avoid dirtying incoming_cpu if not needed
for connected socket, the incoming_cpu field in the sock struct
is not going to change frequently, but we are setting it
unconditionally for each packet.

Since sk_incoming_cpu and sk_flags share the same cacheline,
and the latter is access by udp_recvmsg(), this cause a cache
miss for each packet for UDP connected socket.

With this patch, we set the incoming cpu field only when the
ingress cpu really changes.

This gives a small but measurable performance improvement for
connected UDP socket.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:43:01 -04:00
David Herrmann 28b5ba2aa0 net: introduce SO_PEERGROUPS getsockopt
This adds the new getsockopt(2) option SO_PEERGROUPS on SOL_SOCKET to
retrieve the auxiliary groups of the remote peer. It is designed to
naturally extend SO_PEERCRED. That is, the underlying data is from the
same credentials. Regarding its syntax, it is based on SO_PEERSEC. That
is, if the provided buffer is too small, ERANGE is returned and @optlen
is updated. Otherwise, the information is copied, @optlen is set to the
actual size, and 0 is returned.

While SO_PEERCRED (and thus `struct ucred') already returns the primary
group, it lacks the auxiliary group vector. However, nearly all access
controls (including kernel side VFS and SYSVIPC, but also user-space
polkit, DBus, ...) consider the entire set of groups, rather than just
the primary group. But this is currently not possible with pure
SO_PEERCRED. Instead, user-space has to work around this and query the
system database for the auxiliary groups of a UID retrieved via
SO_PEERCRED.

Unfortunately, there is no race-free way to query the auxiliary groups
of the PID/UID retrieved via SO_PEERCRED. Hence, the current user-space
solution is to use getgrouplist(3p), which itself falls back to NSS and
whatever is configured in nsswitch.conf(3). This effectively checks
which groups we *would* assign to the user if it logged in *now*. On
normal systems it is as easy as reading /etc/group, but with NSS it can
resort to quering network databases (eg., LDAP), using IPC or network
communication.

Long story short: Whenever we want to use auxiliary groups for access
checks on IPC, we need further IPC to talk to the user/group databases,
rather than just relying on SO_PEERCRED and the incoming socket. This
is unfortunate, and might even result in dead-locks if the database
query uses the same IPC as the original request.

So far, those recursions / dead-locks have been avoided by using
primitive IPC for all crucial NSS modules. However, we want to avoid
re-inventing the wheel for each NSS module that might be involved in
user/group queries. Hence, we would preferably make DBus (and other IPC
that supports access-management based on groups) work without resorting
to the user/group database. This new SO_PEERGROUPS ioctl would allow us
to make dbus-daemon work without ever calling into NSS.

Cc: Michal Sekletar <msekleta@redhat.com>
Cc: Simon McVittie <simon.mcvittie@collabora.co.uk>
Reviewed-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:38:41 -04:00
Paolo Abeni dd99e425be udp: prefetch rmem_alloc in udp_queue_rcv_skb()
On UDP packets processing, if the BH is the bottle-neck, it
always sees a cache miss while updating rmem_alloc; try to
avoid it prefetching the value as soon as we have the socket
available.

Performances under flood with multiple NIC rx queues used are
unaffected, but when a single NIC rx queue is in use, this
gives ~10% performance improvement.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:38:11 -04:00
Chad Dupuis da2e9cf03b qede: Fix compilation without QED_RDMA
When CONFIG_QED_RDMA isn't defined, we'd hit the following:

 /include/linux/qed/qede_rdma.h:84:19:
 warning: ‘qede_rdma_dev_add’ used but never defined [enabled by default]
 static inline int qede_rdma_dev_add(struct qede_dev *dev);

Fixes: bbfcd1e8e1 ("qed*: Set rdma generic functions prefix")
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:33:47 -04:00
hayeswang b65c0c9b65 r8152: correct the definition
Replace VLAN_HLEN and CRC_SIZE with ETH_FCS_LEN.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:32:57 -04:00
David S. Miller adff41f938 Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
40GbE Intel Wired LAN Driver Updates 2017-06-20

This series contains updates to i40e and i40evf only.

Björn adds additional XDP support for i40e, by adding pass and drop actions
and XDP_TX action support.

Jake fixes a possible NULL pointer dereference in
i40evf_get_ethtool_stats() which could occur if the VF fails to recover
from a reset, and then a user requests statistics.  Changed the use of
dev_info() to dev_dbg() for vf_capability client routine so that the
standard log is not spammed with this information which "might" cause
administrators to worry.  Also added more code comments to help explain
why udp_port has be in host byte order and to avoid future changes which
may cause this to break.  Fixed the holding of the RTNL lock for the
entire reset routine, reduced the scope so that the reset function will
handle its own lock, so that we do not have to wrap every reference
to i40e_do_reset() with RTNL lock/unlock.

Alice updates flags related to firmware interactions for WoL and admin
queue command address with the correct value.

Sudheer makes a fix to ensure that the array is not accessed past the
size of the array.

Greg fixes the parsing of firmware 4.33 admin queue commmand "Get CEE
DCBX PER CFG" because the firmware now creates the oper_prio_tc nibbles
reversed from those in the CDD Priority Group sub-TLV.

Carolyn adds a check and message to let users know that when in MFP mode,
changing RSS hash input set is not supported.

Shannon makes the partition bandwidth control more generic since it is not
in just one form of multi-function partitioning (MFP).  Also fixes a bug
which was causing the firmware confusion in some reset sequences, when
we were disabling interrupts and we were clearing the whole register.
Instead we should only be clearing the CAUSE_ENA bit when disabling
interrupts.

Filip adds support for OEM firmware version, so that if a OEM specific
adapter is detected, ethtool reports the OEM product version in the
firmware version string instead of etrack id.

Alan fixes a bug where the driver was not correctly exiting overflow
promiscuous mode, which can happen if "too many" MAC filters are added,
putting the driver into overflow promiscuous mode, and the filters are
then removed.  The bug occurs because the conditional for toggling
promiscuous mode was only be executed when enabled and not when it was
disabled.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-21 11:31:46 -04:00
Michał Mirosław 3f426c9689 brcmfmac: initialize oob irq data before request_irq()
This fixes spin-forever in irq handler when IRQ is already asserted
at request_irq() time.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:30:59 +03:00
Ping-Ke Shih 42213f2f35 rtlwifi: btcoexist control to enter/leave LPS
To yield better user experience, have btcoex control LPS's parameters.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:07 +03:00
Ping-Ke Shih c692205da1 rtlwifi: add btc_is_bt_lps_on() for btcoexist
If LPS is controlled by btcoex, this function tell driver LPS is on or off.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:06 +03:00
Ping-Ke Shih 2635664e6e rtlwifi: Add rx ampdu cfg for btcoexist.
If RX ampdu is too long, BT will have less time.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:06 +03:00
Ping-Ke Shih 54685f9c7a rtlwifi: Add btcoex record_pwr_mode
Add btcoex record pwr mode to control LPS's parameters and share time
with BT.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:05 +03:00
Ping-Ke Shih 5b757ba757 rtlwifi: Revise special packet notification to be readable format.
We extend types of special packets to a enumeration from boolean value.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:05 +03:00
Ping-Ke Shih 8479580b52 rtlwifi: Add TX report and disable key to force wait until report acked.
When using EAPOL to do a PTK rekey, there is a possible race condition.
When msg 3/4 is received, the supplicant will send msg 4/4 and install
the new key immediately; however, the driver must make sure that msg 4/4
is sent before installing the new key. We use TX report to ensure it is
sent.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:03 +03:00
Ping-Ke Shih 79b64ed7a6 rtlwifi: extend debug_comp to u64
The number of debugging conditions now exceeds the capabilities of a
32-bit word.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:02 +03:00
Ping-Ke Shih e332e2a294 rtlwifi: Correct power save capability while init mac80211
Since the driver itself will enter power saving mode dynamically
according to the traffic, we set hw capability SUPPORTS_PS and
SUPPORTS_DYNAMIC_PS in case of fwctrl_lps.

The process IEEE80211_CONF_CHANGE_PS in op_config is used by
SW-LPS only, so we add constraints to avoid errors.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: vincent_fann <vincent_fann@realtek.com>
Signed-off-by: shaofu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:01 +03:00
Ping-Ke Shih f95d95a7cd rtlwifi: btcoex: rtl8723be: fix ant_sel not work
To make ant_sel work, we should call power_on_setting to set antenna
correctly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:28:00 +03:00
Ping-Ke Shih 43f5644a90 rtlwifi: btcoex: set correct interface type and parameter.
This commit fixies two problems. The first one is interface types
(e.g. PCI) that are used to switch antenna, and the second is to add
wifi_only parameter to give correct state.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:27:58 +03:00
Ping-Ke Shih 87d8a9f352 rtlwifi: btcoex: call bind to setup btcoex
New btcoex add a function 'bind' to connect adapter, so we should call
it during initializing.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:27:58 +03:00
Prameela Rani Garnepudi 9920322ccd rsi: add tx frame for common device configuration
After successful loading of firmware, a CARD READY indication is
received by host. Common device configuration parameters are sent
to the device after this. It includes information like device
operating mode (Wi-Fi alone or BT coex), power save related
parameters, GPIO information etc. As device supports BT coex,
this frame is send in COEX queue initially. Based on the operating
mode, CARD READY indication is received from each protocol module
in firmware i.e. WLAN, BT.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:27 +03:00
Prameela Rani Garnepudi 1b1bed0165 rsi: configure new boot parameters to device
Boot parameters are changed in new firmware. Also three
new sdio sleep parameters are added for ultra low power
save.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:26 +03:00
Prameela Rani Garnepudi 61f2a6fcaa rsi: receive path enhancement for RS9113
RS9113 chipset supports Coex feature. Initial frame exchanges during
device initialization happens on coex queue. This patch adds the
handling for coex queue.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:26 +03:00
Prameela Rani Garnepudi 015e367494 rsi: Register interrupt handler before firmware load
Before firmware load, sometimes false interrupts are received.
System hang is observed if interrupt handler is not registered
to receive these interrupts. Hence interrupt handler registration
is moved before firmware load. We will drop these false interrupts
as these are not from the device.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:25 +03:00
Amitkumar Karwar 4833c953fd rsi: use enum for FSM states
Currently macros are used for FSM states. We will replace
it with enum so that new state can be added easily without
worrying about macro value.

Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:25 +03:00
Prameela Rani Garnepudi d2d1831723 rsi: add usb RS9113 chipset support
usb device id and vendor id for RS9113 chipset are included.
So it can be used through usb interface.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:26:24 +03:00
Shawn Lin 7c26029f87 mwifiex: debugfs: remove redunant check of mwifiex_dfs_dir
debugfs_remove already check mwifiex_dfs_dir, so remove it.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:25:47 +03:00
Caesar Wang 421ba82c67 mwifiex: fixes the unexpected be printed log by default
This patch uses WARN level is not printed by default.

In some cases, some boards have always met the unused log be printed as
follows.
...
[23193.523182] mwifiex_pcie 0000:01:00.0: mwifiex_get_cfp:
cannot find cfp by band 2    & channel=13 freq=0
[23378.633684] mwifiex_pcie 0000:01:00.0: mwifiex_get_cfp:
cannot find cfp by band 2    & channel=13 freq=0

Due to we used the wifi default area was US and didn't support 12~14
channels. As Frequencies:
* 2412 MHz [1] (30.0 dBm)
* 2417 MHz [2] (30.0 dBm)
* 2422 MHz [3] (30.0 dBm)
* 2427 MHz [4] (30.0 dBm)
* 2432 MHz [5] (30.0 dBm)
* 2437 MHz [6] (30.0 dBm)
* 2442 MHz [7] (30.0 dBm)
* 2447 MHz [8] (30.0 dBm)
* 2452 MHz [9] (30.0 dBm)
* 2457 MHz [10] (30.0 dBm)
* 2462 MHz [11] (30.0 dBm)
* 2467 MHz [12] (disabled)
* 2472 MHz [13] (disabled)
* 2484 MHz [14] (disabled)

Also, as the commit 1b499cb72f
("mwifiex: disable channel filtering feature in firmware"), it proved to
be a feature to get better scan result from overlapping channel.

Even there could be AP from overlapping channel (might be 12/13/14
in this case), it will be filtered depend on reg domain rules.
e.g:
...
if (ch->flags & IEEE80211_CHAN_DISABLED)
        continue;

So it should not been an ERROR, use the WARN level to instead it for now.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Acked-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-06-21 18:24:50 +03:00