Add missing PCI bus link speed 8.0 GT/s and bus link widths of
x1, x2, x4 and x8.
CC: <linux-kernel@vger.kernel.org>
CC: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Add nested IFLA_BOND_AD_INFO for bonding 802.3ad info.
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BOND_AD_SELECT to allow get/set of bonding parameter
ad_select via netlink.
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BOND_AD_LACP_RATE to allow get/set of bonding parameter
lacp_rate via netlink.
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The llc_sap_list_lock does not need to be global, only acquired
in core.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Namespace related cleaning
* make cred_to_ucred static
* remove unused sock_rmalloc function
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
percpu route cache eliminates share of dst refcnt between CPUs.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Avoid doing a route lookup on every packet being tunneled.
In ip_tunnel.c cache the route returned from ip_route_output if
the tunnel is "connected" so that all the rouitng parameters are
taken from tunnel parms for a packet. Specifically, not NBMA tunnel
and tos is from tunnel parms (not inner packet).
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds pci_enable_msi_range(), which supersedes the pci_enable_msi()
and pci_enable_msi_block() MSI interfaces.
It also adds pci_enable_msix_range(), which supersedes the
pci_enable_msix() MSI-X interface.
The old interfaces have three categories of return values:
negative: failure; caller should not retry
positive: failure; value indicates number of interrupts that *could*
have been allocated, and caller may retry with a smaller request
zero: success; at least as many interrupts allocated as requested
It is error-prone to handle these three cases correctly in drivers.
The new functions return either a negative error code or a number of
successfully allocated MSI/MSI-X interrupts, which is expected to lead to
clearer device driver code.
pci_enable_msi(), pci_enable_msi_block() and pci_enable_msix() still exist
unchanged, but are deprecated and may be removed after callers are updated.
[bhelgaas: tweak changelog]
Suggested-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
This creates an MSI-X counterpart for pci_msi_vec_count(). Device drivers
can use this function to obtain maximum number of MSI-X interrupts the
device supports and use that number in a subsequent call to
pci_enable_msix().
pci_msix_vec_count() supersedes pci_msix_table_size() and returns a
negative errno if device does not support MSI-X interrupts. After this
update, callers must always check the returned value.
The only user of pci_msix_table_size() was the PCI-Express port driver,
which is also updated by this change.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
The new pci_msi_vec_count() interface makes pci_enable_msi_block_auto()
superfluous.
Drivers can use pci_msi_vec_count() to learn the maximum number of MSIs
supported by the device, and then call pci_enable_msi_block().
pci_enable_msi_block_auto() was introduced recently, and its only user is
the AHCI driver, which is also updated by this change.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Device drivers can use this interface to obtain the maximum number of MSI
interrupts the device supports and use that number, e.g., in a subsequent
call to pci_enable_msi_block().
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
NFSv4 clients can contact port 2049 directly instead of needing the
portmapper.
Therefore a failure to register to the portmapper when starting an
NFSv4-only server isn't really a problem.
But Gareth Williams reports that an attempt to start an NFSv4-only
server without starting portmap fails:
#rpc.nfsd -N 2 -N 3
rpc.nfsd: writing fd to kernel failed: errno 111 (Connection refused)
rpc.nfsd: unable to set any sockets for nfsd
Add a flag to svc_version to tell the rpc layer it can safely ignore an
rpcbind failure in the NFSv4-only case.
Reported-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
It would be useful e.g. in a server or desktop environment to have
a facility in the notion of fine-grained "per application" or "per
application group" firewall policies. Probably, users in the mobile,
embedded area (e.g. Android based) with different security policy
requirements for application groups could have great benefit from
that as well. For example, with a little bit of configuration effort,
an admin could whitelist well-known applications, and thus block
otherwise unwanted "hard-to-track" applications like [1] from a
user's machine. Blocking is just one example, but it is not limited
to that, meaning we can have much different scenarios/policies that
netfilter allows us than just blocking, e.g. fine grained settings
where applications are allowed to connect/send traffic to, application
traffic marking/conntracking, application-specific packet mangling,
and so on.
Implementation of PID-based matching would not be appropriate
as they frequently change, and child tracking would make that
even more complex and ugly. Cgroups would be a perfect candidate
for accomplishing that as they associate a set of tasks with a
set of parameters for one or more subsystems, in our case the
netfilter subsystem, which, of course, can be combined with other
cgroup subsystems into something more complex if needed.
As mentioned, to overcome this constraint, such processes could
be placed into one or multiple cgroups where different fine-grained
rules can be defined depending on the application scenario, while
e.g. everything else that is not part of that could be dropped (or
vice versa), thus making life harder for unwanted processes to
communicate to the outside world. So, we make use of cgroups here
to track jobs and limit their resources in terms of iptables
policies; in other words, limiting, tracking, etc what they are
allowed to communicate.
In our case we're working on outgoing traffic based on which local
socket that originated from. Also, one doesn't even need to have
an a-prio knowledge of the application internals regarding their
particular use of ports or protocols. Matching is *extremly*
lightweight as we just test for the sk_classid marker of sockets,
originating from net_cls. net_cls and netfilter do not contradict
each other; in fact, each construct can live as standalone or they
can be used in combination with each other, which is perfectly fine,
plus it serves Tejun's requirement to not introduce a new cgroups
subsystem. Through this, we result in a very minimal and efficient
module, and don't add anything except netfilter code.
One possible, minimal usage example (many other iptables options
can be applied obviously):
1) Configuring cgroups if not already done, e.g.:
mkdir /sys/fs/cgroup/net_cls
mount -t cgroup -o net_cls net_cls /sys/fs/cgroup/net_cls
mkdir /sys/fs/cgroup/net_cls/0
echo 1 > /sys/fs/cgroup/net_cls/0/net_cls.classid
(resp. a real flow handle id for tc)
2) Configuring netfilter (iptables-nftables), e.g.:
iptables -A OUTPUT -m cgroup ! --cgroup 1 -j DROP
3) Running applications, e.g.:
ping 208.67.222.222 <pid:1799>
echo 1799 > /sys/fs/cgroup/net_cls/0/tasks
64 bytes from 208.67.222.222: icmp_seq=44 ttl=49 time=11.9 ms
[...]
ping 208.67.220.220 <pid:1804>
ping: sendmsg: Operation not permitted
[...]
echo 1804 > /sys/fs/cgroup/net_cls/0/tasks
64 bytes from 208.67.220.220: icmp_seq=89 ttl=56 time=19.0 ms
[...]
Of course, real-world deployments would make use of cgroups user
space toolsuite, or own custom policy daemons dynamically moving
applications from/to various cgroups.
[1] http://www.blackhat.com/presentations/bh-europe-06/bh-eu-06-biondi/bh-eu-06-biondi-up.pdf
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: cgroups@vger.kernel.org
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
While we're at it and introduced CGROUP_NET_CLASSID, lets also make
NETPRIO_CGROUP more consistent with the rest of cgroups and rename it
into CONFIG_CGROUP_NET_PRIO so that for networking, we now have
CONFIG_CGROUP_NET_{PRIO,CLASSID}. This not only makes the CONFIG
option consistent among networking cgroups, but also among cgroups
CONFIG conventions in general as the vast majority has a prefix of
CONFIG_CGROUP_<SUBSYS>.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: cgroups@vger.kernel.org
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Zefan Li requested [1] to perform the following cleanup/refactoring:
- Split cgroupfs classid handling into net core to better express a
possible more generic use.
- Disable module support for cgroupfs bits as the majority of other
cgroupfs subsystems do not have that, and seems to be not wished
from cgroup side. Zefan probably might want to follow-up for netprio
later on.
- By this, code can be further reduced which previously took care of
functionality built when compiled as module.
cgroupfs bits are being placed under net/core/netclassid_cgroup.c, so
that we are consistent with {netclassid,netprio}_cgroup naming that is
under net/core/ as suggested by Zefan.
No change in functionality, but only code refactoring that is being
done here.
[1] http://patchwork.ozlabs.org/patch/304825/
Suggested-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: Thomas Graf <tgraf@suug.ch>
Cc: cgroups@vger.kernel.org
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The following code is not used in current upstream code.
Some of this seems to be old hooks, other might be used by some
out of tree module (which I don't care about breaking), and
the need_ipv4_conntrack was used by old NAT code but no longer
called.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Function never used in current upstream code.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
We currently use prandom_u32() for allocation of ports in tcp bind(0)
and udp code. In case of plain SNAT we try to keep the ports as is
or increment on collision.
SNAT --random mode does use per-destination incrementing port
allocation. As a recent paper pointed out in [1] that this mode of
port allocation makes it possible to an attacker to find the randomly
allocated ports through a timing side-channel in a socket overloading
attack conducted through an off-path attacker.
So, NF_NAT_RANGE_PROTO_RANDOM actually weakens the port randomization
in regard to the attack described in this paper. As we need to keep
compatibility, add another flag called NF_NAT_RANGE_PROTO_RANDOM_FULLY
that would replace the NF_NAT_RANGE_PROTO_RANDOM hash-based port
selection algorithm with a simple prandom_u32() in order to mitigate
this attack vector. Note that the lfsr113's internal state is
periodically reseeded by the kernel through a local secure entropy
source.
More details can be found in [1], the basic idea is to send bursts
of packets to a socket to overflow its receive queue and measure
the latency to detect a possible retransmit when the port is found.
Because of increasing ports to given destination and port, further
allocations can be predicted. This information could then be used by
an attacker for e.g. for cache-poisoning, NS pinning, and degradation
of service attacks against DNS servers [1]:
The best defense against the poisoning attacks is to properly
deploy and validate DNSSEC; DNSSEC provides security not only
against off-path attacker but even against MitM attacker. We hope
that our results will help motivate administrators to adopt DNSSEC.
However, full DNSSEC deployment make take significant time, and
until that happens, we recommend short-term, non-cryptographic
defenses. We recommend to support full port randomisation,
according to practices recommended in [2], and to avoid
per-destination sequential port allocation, which we show may be
vulnerable to derandomisation attacks.
Joint work between Hannes Frederic Sowa and Daniel Borkmann.
[1] https://sites.google.com/site/hayashulman/files/NIC-derandomisation.pdf
[2] http://arxiv.org/pdf/1205.5190v1.pdf
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
- VGA switcheroo was broken for some users as a result of the ACPI-based
PCI hotplug (ACPIPHP) changes in 3.12, because some previously ignored
hotplug events started to be handled. The fix causes them to be
ignored again.
- There are two more issues related to cpufreq's suspend/resume handling
changes from the 3.12 cycle addressed by Viresh Kumar's fixes.
- intel_pstate triggers a divide error in a timer function if the P-state
information it needs is missing during initialization. This leads to
kernel panics on nested KVM clients and is fixed by failing the
initialization cleanly in those cases.
- PCI initalization code changes during the 3.9 cycle uncovered BIOS
issues related to ACPI wakeup notifications (some BIOSes send them
for devices that aren't supposed to support ACPI wakeup). Work around
them by installing an ACPI wakeup notify handler for all PCI devices
with ACPI support.
- The Calxeda cpuilde driver's probe function is tagged as __init, which
is incorrect and causes a section mismatch to occur during build. Fix
from Andre Przywara removes the __init tag from there.
- During the 3.12 cycle ACPIPHP started to print warnings about missing
_ADR for devices that legitimately don't have it. Fix from Toshi Kani
makes it only print the warnings where they make sense.
/
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Merge tag 'pm+acpi-3.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and PM fixes and new device IDs from Rafael Wysocki:
"These commits, except for one, are regression fixes and the remaining
one fixes a divide error leading to a kernel panic. The majority of
the regressions fixed here were introduced during the 3.12 cycle, one
of them is from this cycle and one is older.
Specifics:
- VGA switcheroo was broken for some users as a result of the
ACPI-based PCI hotplug (ACPIPHP) changes in 3.12, because some
previously ignored hotplug events started to be handled. The fix
causes them to be ignored again.
- There are two more issues related to cpufreq's suspend/resume
handling changes from the 3.12 cycle addressed by Viresh Kumar's
fixes.
- intel_pstate triggers a divide error in a timer function if the
P-state information it needs is missing during initialization.
This leads to kernel panics on nested KVM clients and is fixed by
failing the initialization cleanly in those cases.
- PCI initalization code changes during the 3.9 cycle uncovered BIOS
issues related to ACPI wakeup notifications (some BIOSes send them
for devices that aren't supposed to support ACPI wakeup). Work
around them by installing an ACPI wakeup notify handler for all PCI
devices with ACPI support.
- The Calxeda cpuilde driver's probe function is tagged as __init,
which is incorrect and causes a section mismatch to occur during
build. Fix from Andre Przywara removes the __init tag from there.
- During the 3.12 cycle ACPIPHP started to print warnings about
missing _ADR for devices that legitimately don't have it. Fix from
Toshi Kani makes it only print the warnings where they make sense"
* tag 'pm+acpi-3.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPIPHP / radeon / nouveau: Fix VGA switcheroo problem related to hotplug
intel_pstate: Fail initialization if P-state information is missing
ARM/cpuidle: remove __init tag from Calxeda cpuidle probe function
PCI / ACPI: Install wakeup notify handlers for all PCI devs with ACPI
cpufreq: preserve user_policy across suspend/resume
cpufreq: Clean up after a failing light-weight initialization
ACPI / PCI / hotplug: Avoid warning when _ADR not present
Commit c02cecb92e ("ARM: orion: move platform_data definitions")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This pull request is quite extensive, containing
105 non-merge commits. Because of that, we describe
the changes in sections below:
New drivers:
- Keystone PHY driver and DWC3 Glue Layer
- Aeroflex Gaisler GRUSBDC
- Tahvo PHY driver for N770
- JZ4740 MUSB gluer Layer
- Broadcom PHY Driver
Important new features:
- MUSB DSPS learned about suspend/resume
- New quirk_ep_out_aligned_size flag added to struct usb_gadget
- DWC3 initializes the new quirk flag so gadget drivers can use it.
- AM335x PHY Driver learns about remote wakeup
- Renesas USBHS now requests DMA Engine only once
- s3c-hsotg is now re-used on Broadcom devices
- USB PHY layer now makes sure to initialize the notifier for all
drivers
- omap-control learned about TI's new AM437x devices
- few other usb gadget/function drivers learned about the new
configfs-based binding.
Misc Fixes and Clean Ups:
- Several sparse fixes all over the place
- Removal of redundant of_match_ptr()
- r-car gen2 phy now uses usb_add_phy_dev()
- removal of DEFINE_PCI_DEVICE_TABLE() from a few drivers
- conversion to clk_prepare/clk_unprepare on r8a66597-udc
- some randconfig errors and build warnings were fixed
- removal of unnecessary lock on dwc3-omap.c
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: changes for v3.14 merge window
This pull request is quite extensive, containing
105 non-merge commits. Because of that, we describe
the changes in sections below:
New drivers:
- Keystone PHY driver and DWC3 Glue Layer
- Aeroflex Gaisler GRUSBDC
- Tahvo PHY driver for N770
- JZ4740 MUSB gluer Layer
- Broadcom PHY Driver
Important new features:
- MUSB DSPS learned about suspend/resume
- New quirk_ep_out_aligned_size flag added to struct usb_gadget
- DWC3 initializes the new quirk flag so gadget drivers can use it.
- AM335x PHY Driver learns about remote wakeup
- Renesas USBHS now requests DMA Engine only once
- s3c-hsotg is now re-used on Broadcom devices
- USB PHY layer now makes sure to initialize the notifier for all
drivers
- omap-control learned about TI's new AM437x devices
- few other usb gadget/function drivers learned about the new
configfs-based binding.
Misc Fixes and Clean Ups:
- Several sparse fixes all over the place
- Removal of redundant of_match_ptr()
- r-car gen2 phy now uses usb_add_phy_dev()
- removal of DEFINE_PCI_DEVICE_TABLE() from a few drivers
- conversion to clk_prepare/clk_unprepare on r8a66597-udc
- some randconfig errors and build warnings were fixed
- removal of unnecessary lock on dwc3-omap.c
Signed-of-by: Felipe Balbi <balbi@ti.com>
Since we have xen_has_pv_devices,xen_has_pv_disk_devices,
xen_has_pv_nic_devices, and xen_has_pv_and_legacy_disk_devices
to figure out the different 'unplug' behaviors - lets
use those instead of this single int.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
The user has the option of disabling the platform driver:
00:02.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)
which is used to unplug the emulated drivers (IDE, Realtek 8169, etc)
and allow the PV drivers to take over. If the user wishes
to disable that they can set:
xen_platform_pci=0
(in the guest config file)
or
xen_emul_unplug=never
(on the Linux command line)
except it does not work properly. The PV drivers still try to
load and since the Xen platform driver is not run - and it
has not initialized the grant tables, most of the PV drivers
stumble upon:
input: Xen Virtual Keyboard as /devices/virtual/input/input5
input: Xen Virtual Pointer as /devices/virtual/input/input6M
------------[ cut here ]------------
kernel BUG at /home/konrad/ssd/konrad/linux/drivers/xen/grant-table.c:1206!
invalid opcode: 0000 [#1] SMP
Modules linked in: xen_kbdfront(+) xenfs xen_privcmd
CPU: 6 PID: 1389 Comm: modprobe Not tainted 3.13.0-rc1upstream-00021-ga6c892b-dirty #1
Hardware name: Xen HVM domU, BIOS 4.4-unstable 11/26/2013
RIP: 0010:[<ffffffff813ddc40>] [<ffffffff813ddc40>] get_free_entries+0x2e0/0x300
Call Trace:
[<ffffffff8150d9a3>] ? evdev_connect+0x1e3/0x240
[<ffffffff813ddd0e>] gnttab_grant_foreign_access+0x2e/0x70
[<ffffffffa0010081>] xenkbd_connect_backend+0x41/0x290 [xen_kbdfront]
[<ffffffffa0010a12>] xenkbd_probe+0x2f2/0x324 [xen_kbdfront]
[<ffffffff813e5757>] xenbus_dev_probe+0x77/0x130
[<ffffffff813e7217>] xenbus_frontend_dev_probe+0x47/0x50
[<ffffffff8145e9a9>] driver_probe_device+0x89/0x230
[<ffffffff8145ebeb>] __driver_attach+0x9b/0xa0
[<ffffffff8145eb50>] ? driver_probe_device+0x230/0x230
[<ffffffff8145eb50>] ? driver_probe_device+0x230/0x230
[<ffffffff8145cf1c>] bus_for_each_dev+0x8c/0xb0
[<ffffffff8145e7d9>] driver_attach+0x19/0x20
[<ffffffff8145e260>] bus_add_driver+0x1a0/0x220
[<ffffffff8145f1ff>] driver_register+0x5f/0xf0
[<ffffffff813e55c5>] xenbus_register_driver_common+0x15/0x20
[<ffffffff813e76b3>] xenbus_register_frontend+0x23/0x40
[<ffffffffa0015000>] ? 0xffffffffa0014fff
[<ffffffffa001502b>] xenkbd_init+0x2b/0x1000 [xen_kbdfront]
[<ffffffff81002049>] do_one_initcall+0x49/0x170
.. snip..
which is hardly nice. This patch fixes this by having each
PV driver check for:
- if running in PV, then it is fine to execute (as that is their
native environment).
- if running in HVM, check if user wanted 'xen_emul_unplug=never',
in which case bail out and don't load any PV drivers.
- if running in HVM, and if PCI device 5853:0001 (xen_platform_pci)
does not exist, then bail out and not load PV drivers.
- (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=ide-disks',
then bail out for all PV devices _except_ the block one.
Ditto for the network one ('nics').
- (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=unnecessary'
then load block PV driver, and also setup the legacy IDE paths.
In (v3) make it actually load PV drivers.
Reported-by: Sander Eikelenboom <linux@eikelenboom.it
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Reported-and-Tested-by: Fabio Fantoni <fabio.fantoni@m2r.biz>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
[v2: Add extra logic to handle the myrid ways 'xen_emul_unplug'
can be used per Ian and Stefano suggestion]
[v3: Make the unnecessary case work properly]
[v4: s/disks/ide-disks/ spotted by Fabio]
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> [for PCI parts]
CC: stable@vger.kernel.org
register_mtd_parser never fails; hence make it return void.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
deregister_mtd_parser never fails; hence make it return void.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
It seems the include guard was copied from of_net.h.
Signed-off-by: Philipp Rosenberger <philipp.rosenberger@xse.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Add support for flash-based bad block table using Marvell's
custom in-flash bad block table layout. The support is enabled
a 'flash_bbt' platform data or device tree parameter.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Introduce xfrm_state_lookup_byspi to find user specified by custom
from "pgset spi xxx". Using this scheme, any flow regardless its
saddr/daddr could be transform by SA specified with configurable
spi.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
VM to VM GSO traffic is broken if it goes through VXLAN or GRE
tunnel and the physical NIC on the host supports hardware VXLAN/GRE
GSO offload (e.g. bnx2x and next-gen mlx4).
Two issues -
(VXLAN) VM traffic has SKB_GSO_DODGY and SKB_GSO_UDP_TUNNEL with
SKB_GSO_TCP/UDP set depending on the inner protocol. GSO header
integrity check fails in udp4_ufo_fragment if inner protocol is
TCP. Also gso_segs is calculated incorrectly using skb->len that
includes tunnel header. Fix: robust check should only be applied
to the inner packet.
(VXLAN & GRE) Once GSO header integrity check passes, NULL segs
is returned and the original skb is sent to hardware. However the
tunnel header is already pulled. Fix: tunnel header needs to be
restored so that hardware can perform GSO properly on the original
packet.
Signed-off-by: Wei-Chun Chao <weichunc@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SCTP outqueue structure maintains a data chunks
that are pending transmission, the list of chunks that
are pending a retransmission and a length of data in
flight. It also tries to keep the emtpy state so that
it can performe shutdown sequence or notify user.
The problem is that the empy state is inconsistently
tracked. It is possible to completely drain the queue
without sending anything when using PR-SCTP. In this
case, the empty state will not be correctly state as
report by Jamal Hadi Salim <jhs@mojatatu.com>. This
can cause an association to be perminantly stuck in the
SHUTDOWN_PENDING state.
Additionally, SCTP is incredibly inefficient when setting
the empty state. Even though all the data is availaible
in the outqueue structure, we ignore it and walk a list
of trasnports.
In the end, we can completely remove the extra empty
state and figure out if the queue is empty by looking
at 3 things: length of pending data, length of in-flight
data, and exisiting of retransmit data. All of these
are already in the strucutre.
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Tested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trace event triggers added a lseek that uses the ftrace_filter_lseek()
function. Unfortunately, when function tracing is not configured in
that function is not defined and the kernel fails to build.
This is the second time that function was added to a file ops and
it broke the build due to requiring special config dependencies.
Make a generic tracing_lseek() that all the tracing utilities may
use.
Also, modify the old ftrace_filter_lseek() to return 0 instead of
1 on WRONLY. Not sure why it was a 1 as that does not make sense.
This also changes the old tracing_seek() to modify the file pos
pointer on WRONLY as well.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Tested-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
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Merge tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
i.MX SoC changes for 3.14:
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
* tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6: (37 commits)
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
ARM: imx: update imx_v6_v7_defconfig
ARM: imx6sl: Add missing spba clock to clock tree
ARM: imx6sl: Add missing pll4_audio_div to the clock tree
ARM: imx6: Derive spdif clock from pll3_pfd3_454m
ARM: imx: use __initconst for const init definition
ARM i.MX5: fix obvious typo in ldb_di0_gate clk definition
ARM i.MX5: set CAN peripheral clock to 24 MHz parent
ARM: imx: pllv1: Fix PLL calculation for i.MX27
ARM i.MX5: fix "shift" value for lp_apm_sel on i.MX50 and i.MX53
ARM: imx: imx53: Add SATA PHY clock
ARM: imx_v6_v7_defconfig: Enable STMPE touchscreen
ARM: imx: rename IMX6SL_CLK_CLK_END to IMX6SL_CLK_END
ARM: imx: select PINCTRL at sub-architecure level
...
Signed-off-by: Olof Johansson <olof@lixom.net>
---------------------------
This pull request contains updates
to DaVinci GPIO driver and the
resultant platform code changes. The
updates include DT-conversion and
changes to make the driver cross-platform
ready.
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Merge tag 'davinci-for-v3.14/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/drivers
From Sekhar Nori:
DaVinci GPIO driver updates
---------------------------
This pull request contains updates to DaVinci GPIO driver and the
resultant platform code changes. The updates include DT-conversion and
changes to make the driver cross-platform ready.
* tag 'davinci-for-v3.14/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
Signed-off-by: Olof Johansson <olof@lixom.net>
* Add Device Tree Support
* Remove platform data mapbase and irqs fields
* Remove platform data scbrr_algo_id field
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Merge tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
From Simon Horman:
Third Round of Renesas SH SCI Updates for v3.14
* Add Device Tree Support
* Remove platform data mapbase and irqs fields
* Remove platform data scbrr_algo_id field
* tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
Signed-off-by: Olof Johansson <olof@lixom.net>
* Global
- Don't set plat_sci_port scbrr_algo_id field
- Declare SCIF register base and IRQ as resources
- Don't define SCIF platform data in an array
- Use macros to declare SCIF devices
* r7s72100 SoC (RZ/A1H)
- Add i2c clocks
* r8a7778 (R-Car M1)
- Add sound SCU clock support
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Merge tag 'renesas-soc3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Third Round of Renesas ARM Based SoC Updates for v3.14
* Global
- Don't set plat_sci_port scbrr_algo_id field
- Declare SCIF register base and IRQ as resources
- Don't define SCIF platform data in an array
- Use macros to declare SCIF devices
* r7s72100 SoC (RZ/A1H)
- Add i2c clocks
* r8a7778 (R-Car M1)
- Add sound SCU clock support
* tag 'renesas-soc3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (43 commits)
arm: shmobile: r7s72100: add i2c clocks
ARM: shmobile: r8a7791: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7779: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7790: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7740: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a73a4: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7778: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r7s72100: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: sh73a0: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7790: Declare SCIF register base and IRQ as resources
ARM: shmobile: r8a7791: Declare SCIF register base and IRQ as resources
ARM: shmobile: r8a7778: Declare SCIF register base and IRQ as resources
ARM: shmobile: sh7372: Don't set plat_sci_port scbrr_algo_id field
ARM: shmobile: r8a7779: Declare SCIF register base and IRQ as resources
ARM: shmobile: r8a7740: Declare SCIF register base and IRQ as resources
ARM: shmobile: r8a73a4: Declare SCIF register base and IRQ as resources
ARM: shmobile: r7s72100: Declare SCIF register base and IRQ as resources
ARM: shmobile: sh73a0: Declare SCIF register base and IRQ as resources
ARM: shmobile: sh7372: Declare SCIF register base and IRQ as resources
ARM: shmobile: r8a7790: Don't define SCIF platform data in an array
...
Signed-off-by: Olof Johansson <olof@lixom.net>
* Rework baud rate calculation
* Compute overrun_bit without using baud rate algo
* Remove unused GPIO request code
* Move overrun_bit and error_mask fields out of pdata
* Support resources passed through platform resources
* Don't check IRQ in verify port operation
* Set the UPF_FIXED_PORT flag
* Remove duplicate interrupt check in verify port op
* Simplify baud rate calculation algorithms
* Remove baud rate calculation algorithm 5
* Sort headers alphabetically
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Merge tag 'renesas-sh-sci2-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup
From Simon Horman:
Second Round of Renesas SH SCI updates for v3.14
* Rework baud rate calculation
* Compute overrun_bit without using baud rate algo
* Remove unused GPIO request code
* Move overrun_bit and error_mask fields out of pdata
* Support resources passed through platform resources
* Don't check IRQ in verify port operation
* Set the UPF_FIXED_PORT flag
* Remove duplicate interrupt check in verify port op
* Simplify baud rate calculation algorithms
* Remove baud rate calculation algorithm 5
* Sort headers alphabetically
* tag 'renesas-sh-sci2-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
serial: sh-sci: Rework baud rate calculation
serial: sh-sci: Compute overrun_bit without using baud rate algo
serial: sh-sci: Remove unused GPIO request code
serial: sh-sci: Move overrun_bit and error_mask fields out of pdata
serial: sh-sci: Support resources passed through platform resources
serial: sh-sci: Don't check IRQ in verify port operation
serial: sh-sci: Set the UPF_FIXED_PORT flag
serial: sh-sci: Remove duplicate interrupt check in verify port op
serial: sh-sci: Simplify baud rate calculation algorithms
serial: sh-sci: Remove baud rate calculation algorithm 5
serial: sh-sci: Sort headers alphabetically
Signed-off-by: Olof Johansson <olof@lixom.net>
Commit da660b4a3b ("arm: Move sp810.h to include/linux/amba/")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
No need to export functions only used in one file.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 2960ed3468 ("ARM: netx: move platform_data definitions")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
