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Commit Graph

506230 Commits

Author SHA1 Message Date
Anjali Singhai Jain
025b4a545f i40e: Add FW check to disable DCB and wrap autoneg workaround with FW check
For FW < 4.33 DCB should be disabled.
Also Autoneg workaround to avoid Rx stall is still needed for FW < 4.33.

Change-ID: Iff36ad86be2f597e7701096014d6d094332a9a21
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:26 -08:00
Anjali Singhai Jain
9a3bd2f1e3 i40e: Enable more than 64 qps for the Main VSI
When running in a single TC mode the HW can be configured to enable more
than max RSS qps for the Main VSI. This  patch makes it possible to
enable as many as num_online_cpus().

ethtool -L can still be used to reconfigure number of qps
to a smaller value.

Change-ID: I3e2df085276982603d86dfd79477c0ada8d30b8f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:25 -08:00
Mitch Williams
8f40082434 i40e: don't disable PF LB when disabling VFs
Since we now have functionality to enable and disable PF loopback at
runtime, don't try to do it automatically. Removing this call also gets
rid of a bogus error message when removing the PF module with VFs
enabled.

Change-ID: Ic38652d8a3b9498d96113bfaa5ea7bad050862e9
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:25 -08:00
Akeem G Abodunrin
579b23d8dc i40e: Add safety net for switch calling
This patch adds default case to handle unmatched switch calls.

Change-ID: Icd203570a1dc5322c1038f68b98a83195e8ad28c
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:24 -08:00
Shannon Nelson
7edf810c61 i40e/i40evf: print FW build number in version string
Include the FW build number in the formatted FW version string.  In order
to fit within ethtool's 32 character limit, the etrack's unused high order
bits are trimmed as is the leading 0 for the NVM version.  This leaves
us with 2 character left for if/when the etrack id goes to 5 hex chars
and the NVM major number goes to 2 chars.

Change-ID: Icb004c4b9b14a2f54dd200b467fcc1d7b9297308
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:24 -08:00
Neerav Parikh
d40d00b1c2 i40e: Skip the priority tagging if DCB is not enabled
If DCB is not enabled priority tagging is not needed
so skip over that section.

Change-ID: Ia3f3fa07945b421259a9ca38329d6d1cbd6c6bcc
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:23 -08:00
Matthew Vick
eca3204765 fm10k: Resolve various spelling errors and checkpatch warnings
Fix a few silly typos in the code and checkpatch warnings in support of
general code cleanliness.

Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:23 -08:00
Matthew Vick
5bf33dc687 fm10k: Implement ndo_features_check
The introduction of ndo_features_check allows drivers to report their
offload capabilities per-skb. Implement this in fm10k to take advantage
of this new functionality.

Reported-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:22 -08:00
Matthew Vick
8c1a90aa49 fm10k: Modify tunnel length header check when offloading
The FM10000 host interface can only support up to 184 bytes when
performing tunnel offloads. Because of this, a check was added to
prevent the driver from attempting to feed a header to the hardware too
big for it to parse. Make this check a little more robust by calculating
the inner L4 header length based on whether it is TCP or UDP.

Cc: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-03-03 01:07:21 -08:00
Michal Kubeček
acf8dd0a9d udp: only allow UFO for packets from SOCK_DGRAM sockets
If an over-MTU UDP datagram is sent through a SOCK_RAW socket to a
UFO-capable device, ip_ufo_append_data() sets skb->ip_summed to
CHECKSUM_PARTIAL unconditionally as all GSO code assumes transport layer
checksum is to be computed on segmentation. However, in this case,
skb->csum_start and skb->csum_offset are never set as raw socket
transmit path bypasses udp_send_skb() where they are usually set. As a
result, driver may access invalid memory when trying to calculate the
checksum and store the result (as observed in virtio_net driver).

Moreover, the very idea of modifying the userspace provided UDP header
is IMHO against raw socket semantics (I wasn't able to find a document
clearly stating this or the opposite, though). And while allowing
CHECKSUM_NONE in the UFO case would be more efficient, it would be a bit
too intrusive change just to handle a corner case like this. Therefore
disallowing UFO for packets from SOCK_DGRAM seems to be the best option.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 22:19:29 -05:00
David S. Miller
096b1c1728 Merge branch 'sh_eth'
Ben Hutchings says:

====================
Fixes for sh_eth #4 v2

I'm continuing review and testing of Ethernet support on the R-Car H2
chip, with help from a colleague.  This series fixes a few more issues.

These are not tested on any of the other supported chips.

v2: Add note that the revert is not a pure revert.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 21:31:00 -05:00
Ben Hutchings
dacc73e0cf sh_eth: Really fix padding of short frames on TX
My previous fix to clear padding of short frames used skb->len as the
DMA length, assuming that skb_padto() extended skb->len to include the
padding.  That isn't the case; we need to use skb_put_padto() instead.

(This wasn't immediately obvious because software padding isn't
actually needed on the R-Car H2.  We could make it conditional on
which chip is being driven, but it's probably not worth the effort.)

Reported-by: "Violeta Menéndez González" <violeta.menendez@codethink.co.uk>
Fixes: 612a17a54b50 ("sh_eth: Fix padding of short frames on TX")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 21:30:56 -05:00
Ben Hutchings
9b4a6364a6 Revert "sh_eth: Enable Rx descriptor word 0 shift for r8a7790"
This reverts commit fd9af07c34.

The hardware manual states that the frame error and multicast bits are
copied to bits 9:0 of RD0, not bits 25:16.  I've tested that this is
true for RFS1 (CRC error), RFS3 (frame too short), RFS4 (frame too
long) and RFS8 (multicast).

Also adjust a comment to agree with this.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 21:30:56 -05:00
Ben Hutchings
6ded286555 sh_eth: Fix RX recovery on R-Car in case of RX ring underrun
In case of RX ring underrun (RDE), we attempt to reset the software
descriptor pointers (dirty_rx and cur_rx) to match where the hardware
will read the next descriptor from, as that might not be the first
dirty descriptor.  This relies on reading RDFAR, but that register
doesn't exist on all supported chips - specifically, not on the R-Car
chips.  This will result in unpredictable behaviour on those chips
after an RDE.

Make this pointer reset conditional and assume that it isn't needed on
the R-Car chips.  This fix also assumes that RDFAR is never exposed at
offset 0 in the memory map - this is currently true, and a subsequent
commit will fix the ambiguity between offset 0 and no-offset in the
register offset maps.

Fixes: 79fba9f517 ("net: sh_eth: fix the rxdesc pointer when rx ...")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 21:30:56 -05:00
Ben Hutchings
7d7355f58b sh_eth: Ensure proper ordering of descriptor active bit write/read
When submitting a DMA descriptor, the active bit must be written last.
When reading a completed DMA descriptor, the active bit must be read
first.

Add memory barriers to ensure that this ordering is maintained.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 21:30:56 -05:00
Linus Torvalds
023a6007a0 Two GPIO fixes for the v4.0 kernel series:
- Fix a translation problem in of_get_named_gpiod_flags()
 - Fix a long standing container_of() mistake in the TPS65912
   driver.
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Merge tag 'gpio-v4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Two GPIO fixes:

   - Fix a translation problem in of_get_named_gpiod_flags()

   - Fix a long standing container_of() mistake in the TPS65912 driver"

* tag 'gpio-v4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: tps65912: fix wrong container_of arguments
  gpiolib: of: allow of_gpiochip_find_and_xlate to find more than one chip per node
2015-03-02 14:13:39 -08:00
Linus Torvalds
10d6dfc197 Merge branch 'fixes-for-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal management fixes from Eduardo Valentin:
 "Specifics:

   - Several fixes in tmon tool.

   - Fixes in intel int340x for _ART and _TRT tables.

   - Add id for Avoton SoC into powerclamp driver.

   - Fixes in RCAR thermal driver to remove race conditions and fix fail
     path

   - Fixes in TI thermal driver: removal of unnecessary code and build
     fix if !CONFIG_PM_SLEEP

   - Cleanups in exynos thermal driver

   - Add stubs for include/linux/thermal.h.  Now drivers using thermal
     calls but that also work without CONFIG_THERMAL will be able to
     compile for systems that don't care about thermal.

  Note: I am sending this pull on Rui's behalf while he fixes issues in
  his Linux box"

* 'fixes-for-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
  thermal: int340x_thermal: Ignore missing _ART, _TRT tables
  thermal/intel_powerclamp: add id for Avoton SoC
  tools/thermal: tmon: silence 'set but not used' warnings
  tools/thermal: tmon: use pkg-config to determine library dependencies
  tools/thermal: tmon: support cross-compiling
  tools/thermal: tmon: add .gitignore
  tools/thermal: tmon: fixup tui windowing calculations
  tools/thermal: tmon: tui: don't hard-code dialog window size assumptions
  tools/thermal: tmon: add min/max macros
  tools/thermal: tmon: add --target-temp parameter
  thermal: exynos: Clean-up code to use oneline entry for exynos compatible table
  thermal: rcar: Make error and remove paths symmetrical with init
  thermal: rcar: Fix race condition between init and interrupt
  thermal: Introduce dummy functions when thermal is not defined
  ti-soc-thermal: Delete an unnecessary check before the function call "cpufreq_cooling_unregister"
  thermal: ti-soc-thermal: bandgap: Fix build warning if !CONFIG_PM_SLEEP
2015-03-02 14:08:10 -08:00
Linus Torvalds
1a6f77ab08 3 md fixes for 4.0
- fix a read-balance problem that was reported 2 years ago, but
   that I never noticed the report :-(
 - fix for rare RAID6 problem causing incorrect bitmap updates when
   two devices fail.
 - add __ATTR_PREALLOC annotation now that it is possible.
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Merge tag 'md/4.0-fixes' of git://neil.brown.name/md

Pull md fixes from Neil Brown:
 "Three md fixes:

   - fix a read-balance problem that was reported 2 years ago, but that
     I never noticed the report :-(

   - fix for rare RAID6 problem causing incorrect bitmap updates when
     two devices fail.

   - add __ATTR_PREALLOC annotation now that it is possible"

* tag 'md/4.0-fixes' of git://neil.brown.name/md:
  md: mark some attributes as pre-alloc
  raid5: check faulty flag for array status during recovery.
  md/raid1: fix read balance when a drive is write-mostly.
2015-03-02 14:03:27 -08:00
Linus Torvalds
49db1f0ef2 arch/metag fixes for v4.0
This is just a single patch to fix the KSTK_EIP() and KSTK_ESP() macros
 for metag which have always been erronously returning the PC and stack
 pointer of the task's kernel context rather than from its user context
 saved at entry from userland into the kernel, which affects the contents
 of /proc/<pid>/maps and /proc/<pid>/stat.
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Merge tag 'metag-fixes-v4.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull arch/metag fix from James Hogan:
 "This is just a single patch to fix the KSTK_EIP() and KSTK_ESP()
  macros for metag which have always been erronously returning the PC
  and stack pointer of the task's kernel context rather than from its
  user context saved at entry from userland into the kernel, which
  affects the contents of /proc/<pid>/maps and /proc/<pid>/stat"

* tag 'metag-fixes-v4.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
  metag: Fix KSTK_EIP() and KSTK_ESP() macros
2015-03-02 14:02:17 -08:00
David S. Miller
b898441f4e Merge branch 'neigh_cleanups'
Eric W. Biederman says:

====================
Neighbour table and ax25 cleanups

While looking at the neighbour table to what it would take to allow
using next hops in a different address family than the current packets
I found a partial resolution for my issues and I stumbled upon some
work that makes the neighbour table code easier to understand and
maintain.

Long ago in a much younger kernel ax25 found a hack to use
dev_rebuild_header to transmit it's packets instead of going through
what today is ndo_start_xmit.

When the neighbour table was rewritten into it's current form the ax25
code was such a challenge that arp_broken_ops appeard in arp.c and
neigh_compat_output appeared in neighbour.c to keep the ax25 hack alive.

With a little bit of work I was able to remove some of the hack that
is the ax25 transmit path for ip packets and to isolate what remains
into a slightly more readable piece of code in ax25_ip.c.  Removing the
need for the generic code to worry about ax25 special cases.

After cleaning up the old ax25 hacks I also performed a little bit of
work on neigh_resolve_output to remove the need for a dst entry and to
ensure cached headers get a deterministic protocol value in their cached
header.   This guarantees that a cached header will not be different
depending on which protocol of packet is transmitted, and it allows
packets to be transmitted that don't have a dst entry.  There remains
a small amount of code that takes advantage of when packets have a dst
entry but that is something different.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:46 -05:00
Eric W. Biederman
435e8eb27e neigh: Don't require a dst in neigh_resolve_output
Having a dst helps a little bit for teql but is fundamentally
unnecessary and there are code paths where a dst is not available that
it would be nice to use the neighbour cache.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:41 -05:00
Eric W. Biederman
bdf53c5849 neigh: Don't require dst in neigh_hh_init
- Add protocol to neigh_tbl so that dst->ops->protocol is not needed
- Acquire the device from neigh->dev

This results in a neigh_hh_init that will cache the samve values
regardless of the packets flowing through it.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:41 -05:00
Eric W. Biederman
59b2af26b9 arp: Kill arp_find
There are no more callers so kill this function.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:41 -05:00
Eric W. Biederman
d476059e77 net: Kill dev_rebuild_header
Now that there are no more users kill dev_rebuild_header and all of it's
implementations.

This is long overdue.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:41 -05:00
Eric W. Biederman
945db424bf ax25: Stop depending on arp_find
Have ax25_neigh_output perform ordinary arp resolution before calling
ax25_neigh_xmit.

Call dev_hard_header in ax25_neigh_output with a destination address so
it will not fail, and the destination mac address will not need to be
set in ax25_neigh_xmit.

Remove arp_find from ax25_neigh_xmit (the ordinary arp resolution added
to ax25_neigh_output removes the need for calling arp_find).

Document how close ax25_neigh_output is to neigh_resolve_output.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:41 -05:00
Eric W. Biederman
abb7b755d9 ax25: Stop calling/abusing dev_rebuild_header
- Rename ax25_rebuild_header to ax25_neigh_xmit and call it from
  ax25_neigh_output directly.  The rename is to make it clear
  that this is not a rebuild_header operation.

- Remove ax25_rebuild_header from ax25_header_ops.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
def6775369 neigh: Move neigh_compat_output into ax25_ip.c
The only caller is now is ax25_neigh_construct so move
neigh_compat_output into ax25_ip.c make it static and rename it
ax25_neigh_output.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
21bfb8e933 arp: Remove special case to give AX25 it's open arp operations.
The special case has been pushed out into ax25_neigh_construct so there
is no need to keep this code in arp.c

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
3b6a94bed0 ax25: Refactor to use private neighbour operations.
AX25 already has it's own private arp cache operations to isolate
it's abuse of dev_rebuild_header to transmit packets.  Add a function
ax25_neigh_construct that will allow all of the ax25 devices to
force using these operations, so that the generic arp code does
not need to.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
46d4e47abe ax25: Make ax25_header and ax25_rebuild_header static
The only user is in ax25_ip.c so stop exporting these functions.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
204d2dcae4 ax25/6pack: Replace sp_header_ops with ax25_header_ops
The two sets of header operations are functionally identical remove
the duplicate definition.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:40 -05:00
Eric W. Biederman
56fc7e7128 ax25/kiss: Replace ax_header_ops with ax25_header_ops
The two sets of header operations are functionally identical remove the
duplicate definition.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:39 -05:00
Eric W. Biederman
03ec2ac097 rose: Transmit packets in rose_xmit not rose_rebuild_header
Patterned after the similar code in net/rom this turns out
to be a trivial obviously correct transmformation.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:39 -05:00
Eric W. Biederman
b753af31ab rose: Set the destination address in rose_header
Not setting the destination address is a bug that I suspect causes no
problems today, as only the arp code seems to call dev_hard_header and
the description I have of rose is that it is expected to be used with a
static neigbour table.

I have derived the offset and the length of the rose destination address
from rose_rebuild_header where arp_find calls neigh_ha_snapshot to set
the destination address.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:39 -05:00
Eric W. Biederman
e18dbd0593 ax25: In ax25_rebuild_header add missing kfree_skb
In the unlikely (impossible?) event that we attempt to transmit
an ax25 packet over a non-ax25 device free the skb so we don't
leak it.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 16:43:39 -05:00
David S. Miller
eee617a1c3 Merge branch 'mlx4'
Or Gerlitz says:

====================
Mellanox driver fixes

Two small fixes, please apply to net.

Both patches should go to 3.19.y too.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 15:27:23 -05:00
Ido Shamay
1037ebbbd2 net/mlx4_en: Disbale GRO for incoming loopback/selftest packets
Packets which are sent from the selftest (ethtool) flow,
should not be passed to GRO stack but rather dropped by
the driver after validation. To achieve that, we disable
GRO for the duration of the selftest.

Fixes: dd65beac48 ("net/mlx4_en: Extend usage of napi_gro_frags")
Reported-by: Carol Soto <clsoto@linux.vnet.ibm.com>
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 15:27:19 -05:00
Or Gerlitz
f5956fafb0 net/mlx4_core: Fix wrong mask and error flow for the update-qp command
The bit mask for currently supported driver features (MLX4_UPDATE_QP_SUPPORTED_ATTRS)
of the update-qp command was defined twice (using enum value and pre-processor
define directive) and wrong.

The return value of the call to mlx4_update_qp() from within the SRIOV
resource-tracker was wrongly voided down.

Fix both issues.

issue: none
Fixes: 09e05c3f78 ('net/mlx4: Set vlan stripping policy by the right command')
Fixes: ce8d9e0d67 ('net/mlx4_core: Add UPDATE_QP SRIOV wrapper support')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 15:27:19 -05:00
Daniel Borkmann
61e021f3b8 ebpf: move CONFIG_BPF_SYSCALL-only function declarations
Masami noted that it would be better to hide the remaining CONFIG_BPF_SYSCALL-only
function declarations within the BPF header ifdef, w/o else path dummy alternatives
since these functions are not supposed to have a user outside of CONFIG_BPF_SYSCALL.

Suggested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reference: http://article.gmane.org/gmane.linux.kernel.api/8658
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 15:08:30 -05:00
David S. Miller
77f0379fa8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

A small batch with accumulated updates in nf-next, mostly IPVS updates,
they are:

1) Add 64-bits stats counters to IPVS, from Julian Anastasov.

2) Move NETFILTER_XT_MATCH_ADDRTYPE out of NETFILTER_ADVANCED as docker
seem to require this, from Anton Blanchard.

3) Use boolean instead of numeric value in set_match_v*(), from
coccinelle via Fengguang Wu.

4) Allows rescheduling of new connections in IPVS when port reuse is
detected, from Marcelo Ricardo Leitner.

5) Add missing bits to support arptables extensions from nft_compat,
from Arturo Borrero.

Patrick is preparing a large batch to enhance the set infrastructure,
named expressions among other things, that should follow up soon after
this batch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 14:55:05 -05:00
Daniel Borkmann
49b31e576a filter: refactor common filter attach code into __sk_attach_prog
Both sk_attach_filter() and sk_attach_bpf() are setting up sk_filter,
charging skmem and attaching it to the socket after we got the eBPF
prog up and ready. Lets refactor that into a common helper.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 14:51:38 -05:00
David S. Miller
70c836a4d1 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:

====================
pull request: bluetooth-next 2015-03-02

Here's the first bluetooth-next pull request targeting the 4.1 kernel:

 - ieee802154/6lowpan cleanups
 - SCO routing to host interface support for the btmrvl driver
 - AMP code cleanups
 - Fixes to AMP HCI init sequence
 - Refactoring of the HCI callback mechanism
 - Added shutdown routine for Intel controllers in the btusb driver
 - New config option to enable/disable Bluetooth debugfs information
 - Fix for early data reception on L2CAP fixed channels

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 14:47:12 -05:00
David S. Miller
b4844353c0 Merge branch 'sendmsg_recvmsg_iocb_removal'
Ying Xue says:

====================
net: Remove iocb argument from sendmsg and recvmsg

Currently there is only one user - TIPC whose sendmsg() instances
using iocb argument. Meanwhile, there is no user using iocb argument
in its recvmsg() instance. Therefore, if we eliminate the werid usage
of iobc argument from TIPC, the iocb argument can be removed from
all sendmsg() and recvmsg() instances of the whole networking stack.

Reference:
https://patchwork.ozlabs.org/patch/433960/

Changes:

v2:
 * Fix compile errors of DCCP module pointed by David
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 13:06:38 -05:00
Ying Xue
1b78414047 net: Remove iocb argument from sendmsg and recvmsg
After TIPC doesn't depend on iocb argument in its internal
implementations of sendmsg() and recvmsg() hooks defined in proto
structure, no any user is using iocb argument in them at all now.
Then we can drop the redundant iocb argument completely from kinds of
implementations of both sendmsg() and recvmsg() in the entire
networking stack.

Cc: Christoph Hellwig <hch@lst.de>
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 13:06:31 -05:00
Ying Xue
39a0295f90 tipc: Don't use iocb argument in socket layer
Currently the iocb argument is used to idenfiy whether or not socket
lock is hold before tipc_sendmsg()/tipc_send_stream() is called. But
this usage prevents iocb argument from being dropped through sendmsg()
at socket common layer. Therefore, in the commit we introduce two new
functions called __tipc_sendmsg() and __tipc_send_stream(). When they
are invoked, it assumes that their callers have taken socket lock,
thereby avoiding the weird usage of iocb argument.

Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 13:06:31 -05:00
Arturo Borrero
5f15893943 netfilter: nft_compat: add support for arptables extensions
This patch adds support to arptables extensions from nft_compat.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-03-02 12:28:13 +01:00
David S. Miller
6556c38524 Merge branch 'dropcount'
Eyal Birger says:

====================
net: move skb->dropcount to skb->cb[]

Commit 977750076d ("af_packet: add interframe drop cmsg (v6)")
unionized skb->mark and skb->dropcount in order to allow recording
of the socket drop count while maintaining struct sk_buff size.

skb->dropcount was introduced since there was no available room
in skb->cb[] in packet sockets. However, its introduction led to
the inability to export skb->mark to userspace.

It was considered to alias skb->priority instead of skb->mark.
However, that would lead to the inabilty to export skb->priority
to userspace if desired. Such change may also lead to hard-to-find
issues as skb->priority is assumed to be alias free, and, as noted
by Shmulik Ladkani, is not 'naturally orthogonal' with other skb
fields.

This patch series follows the suggestions made by Eric Dumazet moving
the dropcount metric to skb->cb[], eliminating this problem
at the expense of 4 bytes less in skb->cb[] for protocol families
using it.

The patch series include compactization of bluetooth and packet
use of skb->cb[] as well as the infrastructure for placing dropcount
in skb->cb[].
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 00:19:35 -05:00
Eyal Birger
744d5a3e9f net: move skb->dropcount to skb->cb[]
Commit 977750076d ("af_packet: add interframe drop cmsg (v6)")
unionized skb->mark and skb->dropcount in order to allow recording
of the socket drop count while maintaining struct sk_buff size.

skb->dropcount was introduced since there was no available room
in skb->cb[] in packet sockets. However, its introduction led to
the inability to export skb->mark, or any other aliased field to
userspace if so desired.

Moving the dropcount metric to skb->cb[] eliminates this problem
at the expense of 4 bytes less in skb->cb[] for protocol families
using it.

Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 00:19:30 -05:00
Eyal Birger
3bc3b96f3b net: add common accessor for setting dropcount on packets
As part of an effort to move skb->dropcount to skb->cb[], use
a common function in order to set dropcount in struct sk_buff.

Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 00:19:30 -05:00
Eyal Birger
b4772ef879 net: use common macro for assering skb->cb[] available size in protocol families
As part of an effort to move skb->dropcount to skb->cb[] use a common
macro in protocol families using skb->cb[] for ancillary data to
validate available room in skb->cb[].

Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-02 00:19:30 -05:00