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Introduce FSL_USB2_PHY_UTMI_DUAL macro for setting phy mode
in SOCs such has T4240, T1040, T2080 which have utmi dual-phy
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB controller version-2.5 requires to enable internal UTMI
phy and program PTS field in PORTSC register before asserting
controller reset. This is must for successful resetting of the
controller and subsequent enumeration of usb devices
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace macros with enumerated type to represent usb ip
controller version
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit renames rcu_lockdep_assert() to RCU_LOCKDEP_WARN() for
consistency with the WARN() series of macros. This also requires
inverting the sense of the conditional, which this commit also does.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
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There have been several requests for a primitive that waits for
grace periods for several RCU flavors concurrently, so this
commit creates it. This is a variadic macro, and you pass in
the call_rcu() functions of the flavors of RCU that you wish to
wait for.
Note that you cannot pass in call_srcu() for two reasons: (1) This
would result in a type mismatch and (2) You need to specify which
srcu_struct you want to use. Handle this by creating a wrapper
function for your SRCU domain, for example:
void call_srcu_mine(struct rcu_head *head, rcu_callback_t func)
{
call_srcu(&ss_mine, head, func);
}
You can then do something like this:
synchronize_rcu_mult(call_srcu_mine, call_rcu, call_rcu_sched);
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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For the paranoid amongst us GCC would be in its right to use byte stores
to write our NULL value, tell it not to do that.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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The get_state_synchronize_rcu() and cond_synchronize_rcu() functions
allow polling for grace-period completion, with an actual wait for a
grace period occurring only when cond_synchronize_rcu() is called too
soon after the corresponding get_state_synchronize_rcu(). However,
these functions work only for vanilla RCU. This commit adds the
get_state_synchronize_sched() and cond_synchronize_sched(), which provide
the same capability for RCU-sched.
Reported-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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Pull networking fixes from David Miller:
1) Don't use shared bluetooth antenna in iwlwifi driver for management
frames, from Emmanuel Grumbach.
2) Fix device ID check in ath9k driver, from Felix Fietkau.
3) Off by one in xen-netback BUG checks, from Dan Carpenter.
4) Fix IFLA_VF_PORT netlink attribute validation, from Daniel Borkmann.
5) Fix races in setting peeked bit flag in SKBs during datagram
receive. If it's shared we have to clone it otherwise the value can
easily be corrupted. Fix from Herbert Xu.
6) Revert fec clock handling change, causes regressions. From Fabio
Estevam.
7) Fix use after free in fq_codel and sfq packet schedulers, from WANG
Cong.
8) ipvlan bug fixes (memory leaks, missing rcu_dereference_bh, etc.)
from WANG Cong and Konstantin Khlebnikov.
9) Memory leak in act_bpf packet action, from Alexei Starovoitov.
10) ARM bpf JIT bug fixes from Nicolas Schichan.
11) Fix backwards compat of ANY_LAYOUT in virtio_net driver, from
Michael S Tsirkin.
12) Destruction of bond with different ARP header types not handled
correctly, fix from Nikolay Aleksandrov.
13) Revert GRO receive support in ipv6 SIT tunnel driver, causes
regressions because the GRO packets created cannot be processed
properly on the GSO side if we forward the frame. From Herbert Xu.
14) TCCR update race and other fixes to ravb driver from Sergei
Shtylyov.
15) Fix SKB leaks in caif_queue_rcv_skb(), from Eric Dumazet.
16) Fix panics on packet scheduler filter replace, from Daniel Borkmann.
17) Make sure AF_PACKET sees properly IP headers in defragmented frames
(via PACKET_FANOUT_FLAG_DEFRAG option), from Edward Hyunkoo Jee.
18) AF_NETLINK cannot hold mutex in RCU callback, fix from Florian
Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (84 commits)
ravb: fix ring memory allocation
net: phy: dp83867: Fix warning check for setting the internal delay
openvswitch: allocate nr_node_ids flow_stats instead of num_possible_nodes
netlink: don't hold mutex in rcu callback when releasing mmapd ring
ARM: net: fix vlan access instructions in ARM JIT.
ARM: net: handle negative offsets in BPF JIT.
ARM: net: fix condition for load_order > 0 when translating load instructions.
tcp: suppress a division by zero warning
drivers: net: cpsw: remove tx event processing in rx napi poll
inet: frags: fix defragmented packet's IP header for af_packet
net: mvneta: fix refilling for Rx DMA buffers
stmmac: fix setting of driver data in stmmac_dvr_probe
sched: cls_flow: fix panic on filter replace
sched: cls_flower: fix panic on filter replace
sched: cls_bpf: fix panic on filter replace
net/mdio: fix mdio_bus_match for c45 PHY
net: ratelimit warnings about dst entry refcount underflow or overflow
caif: fix leaks and race in caif_queue_rcv_skb()
qmi_wwan: add the second QMI/network interface for Sierra Wireless MC7305/MC7355
ravb: fix race updating TCCR
...
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I'm not aware of any existing bugs around this, but the expectation is
that nfs_mark_for_revalidate() should always force a revalidation of
the cached metadata.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Setting the change attribute has been mandatory for all NFS versions, since
commit 3a1556e8662c ("NFSv2/v3: Simulate the change attribute"). We should
therefore not have anything be conditional on it being set/unset.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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acpi_processor_unregister_performance() actually doesn't use its
first argument, so drop it and update the callers accordingly.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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Account for the configuration FIB_RULES=y && INET=n as FIB_RULES can
be selected by IPV6 or DECNET without INET.
Fixes: e7030878fc84 ("fib: Add fib rule match on tunnel id")
Fixes: 3093fbe7ff4b ("route: Per route IP tunnel metadata via lightweight tunnel")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Per RFC 6724, section 4, "Candidate Source Addresses":
It is RECOMMENDED that the candidate source addresses be the set
of unicast addresses assigned to the interface that will be used
to send to the destination (the "outgoing" interface).
Add a sysctl to enable this behaviour.
Signed-off-by: Erik Kline <ek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move alloc_msi_entry() from PCI MSI code into generic MSI code, so it
can be reused by other generic MSI drivers. Also introduce
free_msi_entry() for completeness.
Suggested-by: Stuart Yoder <stuart.yoder@freescale.com>.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-13-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Reorganize struct msi_desc so it could be reused by other MSI
drivers. We have the following layout now:
struct msi_desc {
/* Shared device/bus independent data */
...
union {
/* PCI specific data */
struct {
...
};
};
};
We need to have anonymous union and a anonymous structure for the PCI
fields, otherwise we would have to change all instances using these
fields.
For non PCI devices we will enforce a proper namespace and a non
anonymous structure.
[ tglx: Added proper comments to the structure and massaged changelog ]
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-12-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Store 'struct device *' instead of 'struct pci_dev *' in struct msi_desc,
so struct msi_desc can be reused by non PCI based MSI drivers.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-11-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Move msi_list from struct pci_dev into struct device, so we can
support non-PCI-device based generic MSI interrupts.
msi_list is now conditional under CONFIG_GENERIC_MSI_IRQ, which is
selected from CONFIG_PCI_MSI, so no functional change for PCI MSI
users.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-10-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Add helper function msi_desc_to_pci_sysdata() to retrieve sysdata from
an MSI descriptor. To avoid pulling include/linux/pci.h into
include/linux/msi.h, msi_desc_to_pci_sysdata() is implemented as a normal
function instead of an inline function.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-2-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Two nice things here:
- drm_dev_register will truly register everything in the right order
if the driver doesn't have a ->load callback. Before this we had to
init the primary mode_group after the device nodes where already
registered.
- Less things to keep track of when reworking the connector locking,
yay!
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Now that dp mst hotplug takes all locks we can amend the locking rules
for the iterators. This is needed before we can roll these out in the
atomic code to avoid getting burried in WARNINGs.
v2: Rebase onto the extracted list locking assert and add a comment to
explain the rules.
v3: Fixup German->English translation fail in the comment.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Ever since framebuffers are reference counted we have a special lock
for the global fb list. Make sure users of that list do hold that
lock when using the new iterators.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Because of DP MST connectors can now be hotplugged and we must hold
the right lock when walking the connector lists. Enforce this by
checking the locking in our shiny new list walking macros.
v2: Extract the locking check into a small static inline helper to
help readability. This will be more important when we make the
read list access rules more complicated in later patches. Inspired by
comments from Chris. Unfortunately, due to header loops around the
definition of struct drm_device the function interface is a bit funny.
v3: Encoders aren't hotadded/removed. For each dp mst encoder we
statically create one fake encoder per pipe so that we can support as
many mst sinks as the hw can (Dave).
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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And roll them out across drm_* files. The point here isn't code
prettification (it helps with that too) but that some of these lists
aren't static any more. And having macros will gives us a convenient
place to put locking checks into.
I didn't add an iterator for props since that's only used by a
list_for_each_entry_safe in the driver teardown code.
Search&replace was done with the below cocci spatch. Note that there's
a bunch more places that didn't match and which would need some manual
changes, but I've intentially left these out for this mostly automated
patch.
iterator name drm_for_each_crtc;
struct drm_crtc *crtc;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ drm_for_each_crtc (crtc, dev) {
...
}
@@
iterator name drm_for_each_encoder;
struct drm_encoder *encoder;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ drm_for_each_encoder (encoder, dev) {
...
}
@@
iterator name drm_for_each_fb;
struct drm_framebuffer *fb;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+ drm_for_each_fb (fb, dev) {
...
}
@@
iterator name drm_for_each_connector;
struct drm_connector *connector;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ drm_for_each_connector (connector, dev) {
...
}
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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No need to pass the planelist when everyone just uses
dev->mode_config.plane_list anyway.
I want to add a pile more of iterators with unified (obj, dev)
arguments. This is just prep.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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A section mismatch warning is reported if an __init annotated function is
specified for module_cpu_feature_match().
Change the module_cpu_feature_match() function and annotate the generated
cpu_feature_match_* function as __init.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Track success and failure of TCP PMTU probing.
Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The sk_classid member is only required when CONFIG_CGROUP_NET_CLASSID is
enabled. #ifdefify it to reduce the size of struct sock on 32 bit
systems, at least.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't unset the direct_complete flag on devices that have runtime PM
disabled, if they are runtime suspended.
This is needed because otherwise ancestor devices wouldn't be able to
do direct_complete without adding runtime PM support to all its
descendants.
Also removes pm_runtime_suspended_if_enabled() because it's now unused.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add a dev_flags bit, PCI_DEV_FLAGS_VPD_REF_F0, to access VPD through
function 0 to provide VPD access on other functions. This is for hardware
devices that provide copies of the same VPD capability registers in
multiple functions. Because the kernel expects that each function has its
own registers, both the locking and the state tracking are affected by VPD
accesses to different functions.
On such devices for example, if a VPD write is performed on function 0,
*any* later attempt to read VPD from any other function of that device will
hang. This has to do with how the kernel tracks the expected value of the
F bit per function.
Concurrent accesses to different functions of the same device can not only
hang but also corrupt both read and write VPD data.
When hangs occur, typically the error message:
vpd r/w failed. This is likely a firmware bug on this device.
will be seen.
Never set this bit on function 0 or there will be an infinite recursion.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
CC: stable@vger.kernel.org
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This gets rid of all OVS specific VXLAN code in the receive and
transmit path by using a VXLAN net_device to represent the vport.
Only a small shim layer remains which takes care of handling the
VXLAN specific OVS Netlink configuration.
Unexports vxlan_sock_add(), vxlan_sock_release(), vxlan_xmit_skb()
since they are no longer needed.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This factors out the device configuration out of the RTNL newlink
API which allows for in-kernel creation of VXLAN net_devices.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This add the ability to select a routing table based on the tunnel
id which allows to maintain separate routing tables for each virtual
tunnel network.
ip rule add from all tunnel-id 100 lookup 100
ip rule add from all tunnel-id 200 lookup 200
A new static key controls the collection of metadata at tunnel level
upon demand.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This introduces a new IP tunnel lightweight tunnel type which allows
to specify IP tunnel instructions per route. Only IPv4 is supported
at this point.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new flowi_tunnel structure which is a subset of ip_tunnel_key to
allow routes to match on tunnel metadata. For now, the tunnel id is
added to flowi_tunnel which allows for routes to be bound to specific
virtual tunnels.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allows putting a VXLAN device into a new flow-based mode in which
skbs with a ip_tunnel_info dst metadata attached will be encapsulated
according to the instructions stored in there with the VXLAN device
defaults taken into consideration.
Similar on the receive side, if the VXLAN_F_COLLECT_METADATA flag is
set, the packet processing will populate a ip_tunnel_info struct for
each packet received and attach it to the skb using the new metadata
dst. The metadata structure will contain the outer header and tunnel
header fields which have been stripped off. Layers further up in the
stack such as routing, tc or netfitler can later match on these fields
and perform forwarding. It is the responsibility of upper layers to
ensure that the flag is set if the metadata is needed. The flag limits
the additional cost of metadata collecting based on demand.
This prepares the VXLAN device to be steered by the routing and other
subsystems which allows to support encapsulation for a large number
of tunnel endpoints and tunnel ids through a single net_device which
improves the scalability.
It also allows for OVS to leverage this mode which in turn allows for
the removal of the OVS specific VXLAN code.
Because the skb is currently scrubed in vxlan_rcv(), the attachment of
the new dst metadata is postponed until after scrubing which requires
the temporary addition of a new member to vxlan_metadata. This member
is removed again in a later commit after the indirect VXLAN receive API
has been removed.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduces a new dst_metadata which enables to carry per packet metadata
between forwarding and processing elements via the skb->dst pointer.
The structure is set up to be a union. Thus, each separate type of
metadata requires its own dst instance. If demand arises to carry
multiple types of metadata concurrently, metadata dst entries can be
made stackable.
The metadata dst entry is refcnt'ed as expected for now but a non
reference counted use is possible if the reference is forced before
queueing the skb.
In order to allow allocating dsts with variable length, the existing
dst_alloc() is split into a dst_alloc() and dst_init() function. The
existing dst_init() function to initialize the subsystem is being
renamed to dst_subsys_init() to make it clear what is what.
The check before ip_route_input() is changed to ignore metadata dsts
and drop the dst inside the routing function thus allowing to interpret
metadata in a later commit.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the tunnel metadata data structures currently internal to
OVS and make them generic for use by all IP tunnels.
Both structures are kernel internal and will stay that way. Their
members are exposed to user space through individual Netlink
attributes by OVS. It will therefore be possible to extend/modify
these structures without affecting user ABI.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This implementation uses lwtunnel infrastructure to register
hooks for mpls tunnel encaps.
It picks cues from iptunnel_encaps infrastructure and previous
mpls iptunnel RFC patches from Eric W. Biederman and Robert Shearman
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces lwtunnel_output function to call corresponding
lwtunnels output function to xmit the packet.
It adds two variants lwtunnel_output and lwtunnel_output6 for ipv4 and
ipv6 respectively today. But this is subject to change when lwtstate will
reside in dst or dst_metadata (as per upstream discussions).
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support in ipv6 fib functions to parse Netlink
RTA encap attributes and attach encap state data to rt6_info.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support in ipv4 fib functions to parse user
provided encap attributes and attach encap state data to fib_nh
and rtable.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Provides infrastructure to parse/dump/store encap information for
light weight tunnels like mpls. Encap information for such tunnels
is associated with fib routes.
This infrastructure is based on previous suggestions from
Eric Biederman to follow the xfrm infrastructure.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces two new RTA attributes to attach encap
data to fib routes.
Example iproute2 command to attach mpls encap data to ipv4 routes
$ip route add 10.1.1.0/30 encap mpls 200 via inet 10.1.1.1 dev swp1
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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snd_soc_tplg_widget_remove_all() has a verbatim copy of an older version of
the widget freeing code from dapm_free_widgets(). Add a new helper function
that takes care of freeing a widget and use it in both places.
This removes the duplicated code and also makes sure that future changes to
the widget freeing code only have to be made in one location.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some controllers have a controller-side memory buffer available for use
for submissions, completions, lists, or data.
If a CMB is available, the entire CMB will be ioremapped and it will
attempt to map the IO SQes onto the CMB. The queues will be shrunk as
needed. The CMB will not be used if the queue depth is shrunk below some
threshold where it may have reduced performance over a larger queue
in system memory.
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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This adds support for userspace to control the HW debug registers for
guest debug. In the debug ioctl we copy an IMPDEF registers into a new
register set called host_debug_state.
We use the recently introduced vcpu parameter debug_ptr to select which
register set is copied into the real registers when world switch occurs.
I've made some helper functions from hw_breakpoint.c more widely
available for re-use.
As with single step we need to tweak the guest registers to enable the
exceptions so we need to save and restore those bits.
Two new capabilities have been added to the KVM_EXTENSION ioctl to allow
userspace to query the number of hardware break and watch points
available on the host hardware.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Bring into line with the comments for the other structures and their
KVM_EXIT_* cases. Also update api.txt to reflect use in kvm_run
documentation.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Since the hardware sometimes mysteriously totally flummoxes the 64bit
read of a 64bit register when read using a single instruction, split the
read into two instructions. Since the read here is of automatically
incrementing timestamp counters, we also have to be very careful in
order to make sure that it does not increment between the two
instructions.
However, since userspace tried to workaround this issue and so enshrined
this ABI for a broken hardware read and in the process neglected that
the read only fails in some environments, we have to introduce a new
uABI flag for userspace to request the 2x32 bit accurate read of the
timestamp.
v2: Fix alignment check and include details of the workaround for
userspace.
Reported-by: Karol Herbst <freedesktop@karolherbst.de>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91317
Testcase: igt/gem_reg_read
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: stable@vger.kernel.org
Tested-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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