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This is a prep work for passing struct net through ip_do_fragment and
later the netfilter okfn. Doing this independently makes the later
code changes clearer.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keep net in a local variable so I can use it in NF_HOOK_COND
when I pass struct net to all of the netfilter hooks.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid silly redundant code
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A function with weird arguments that it will never use to accomdate a
netfilter callback prototype is absolutely in the core of the
networking stack. Frankly it does not make sense and it causes a lot
of confusion as to why arguments that are never used are being passed
to the function.
As I am preparing to make a second change to arguments to the okfn even
the names stops making sense.
As I have removed the two callers of this function remove this confusion
from the networking stack.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function dev_queue_xmit_skb_sk is unncessary and very confusing.
Introduce br_send_bpdu_finish to remove the need for dev_queue_xmit_skb_sk,
and have br_send_bpdu_finish call dev_queue_xmit.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function dev_queue_xmit_skb_sk is unncessary and very confusing.
Introduce arp_xmit_finish to remove the need for dev_queue_xmit_skb_sk,
and have arp_xmit_finish call dev_queue_xmit.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Calling dev_net(dev) for is just silly.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a prepatory patch to passing net int the netfilter hooks,
where net will be used again.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Compute struct net from the input device in ip_forward before it is
used.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a sock paramter to dst_output making dst_output_sk superfluous.
Add a skb->sk parameter to all of the callers of dst_output
Have the callers of dst_output_sk call dst_output.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The !CONFIG_NETFILTER definition of nf_hook_thresh calls okfn when
the CONFIG_NETFITLER defintion does not, making it buggy.
As the !CONFIG_NETFILTER defintion of nf_hook_thresh is not used remove
it rather than fix it.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-09-15
This series contains updates to ixgbe and fm10k.
Don fixes a ixgbe issue by adding checks for systems that do not have
SFP's to avoid incorrectly acting on interrupts that are falsely
interpreted as SFP events.
Alex Williamson adds a fix for ixgbe to disable SR-IOV prior to
unregistering the netdev to avoid issues with guest OS's which do not
support hot-unplug or their hot-unplug is broken.
Alex Duyck update the lowest limit for adaptive interrupt interrupt
moderation to about 12K interrupts per second for ixgbe. This change
increases the performance for ixgbe. Also fixed up fm10k to remove
the optimization that assumed that all fragments would be limited to
page size, since that assumption is incorrect as the TCP allocator can
provide up to a 32K page fragment. Updated fm10k to add the MAC
address to the list of values recorded on driver load. Fixes fm10k
so that we only trigger the data path reset if the fabric is ready to
handle traffic to avoid triggering the reset unless the switch API is
ready for us.
Jacob updates the fm10k driver to disable the service task during
suspend and re-enable it after we resume. If we don't do this, the
device could be UP when you suspend and come back from resume as
DOWN. Also update fm10k to prevent the removal of default VID rules,
and correctly remove the stack layers information of the VLAN, but then
return to forwarding that VID as untagged frames. If we deleted the VID
rules here, we would begin dropping traffic due to VLAN membership
violations. Fixed fm10k to use pcie_get_minimum_link(), which is useful
in cases where we connect to a slot at Gen3, but the slot is behind a bus
which is only connected at Gen2. Updated fm10k to update the netdev
permanent address during reinit instead of up to enable users to
immediately see the new MAC address on the VF even if the device is not
up. Adds the creation of VLAN interfaces on a device, even while the
device is down for fm10k. Fixed an issue where we request the incorrect
MAC/VLAN combinations, and prevents us from accidentally reporting some
frames as VLAN tagged. Provided a couple of trivial fixes for fm10k
to fix code style and typos in code comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Redo commit ed1acc8cd8c22efa919da8d300bab646e01c2dce.
Commit 822b3b2ebfff8e9b3d006086c527738a7ca00cd0 ("net: Add max rate tx queue
attribute") moved get_netdev_queue_index around, but kept the old version.
Probably because of a reuse of the original patch from before Eric's change to
that function.
Remove one inline keyword, and no need for a loop to find
an index into a table.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
Fixes: 822b3b2ebfff ("net: Add max rate tx queue attribute")
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Kernel module for Allwinner A10/A20 CAN controller.
Signed-off-by: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Devicetree bindings for Allwinner A10/A20 CAN controller.
Signed-off-by: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Convert the dma transfers to be dmaengine based, now pxa has a dmaengine
slave driver. This makes this driver a bit more PXA agnostic.
The driver was tested on pxa27x (mainstone) and pxa310 (zylonite),
ie. only pxa platforms.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup patch to fix spaces required reported by checkpatch
Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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simple_strtoul is obsolete, use kstrtoul instead reported by checkpatch.
Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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SCO packet reassembler may have a fragment of SCO packet, from
previous connection, cached and not removed when SCO connection
is ended. Packets from new SCO connection are then going to be
attached to that fragment, creating an invalid SCO packets.
Controllers like Intel's WilkinsPeak are always fragmenting
SCO packet into 3 parts (#1, #2, #3). Packet #1 contains
SCO header and audio data, others just audio data. if there is
a fragment cached from previous connection, i.e. #1, first
SCO packet from new connection is going to be attached to it
creating packet consisting of fragments #1-#1-#2. This will
be forwarded to upper layers. After that, fragment #3 is going
to be used as a starting point for another SCO packet.
It does not contain a SCO header, but the code expects it,
casts a SCO header structure on it, and reads whatever audio
data happens to be there as SCO packet length and handle.
From that point on, we are assembling random data into SCO
packets. Usually it recovers quickly as initial audio data
contains mostly zeros (muted stream), but setups of over
4 seconds were observed.
Issue manifests itself by printing on the console:
Bluetooth: hci0 SCO packet for unknown connection handle 48
Bluetooth: hci0 SCO packet for unknown connection handle 2560
Bluetooth: hci0 SCO packet for unknown connection handle 12288
It may also show random handles if audio data was non-zeroed.
Hcidump shows SCO packets with random length and handles.
Few messages with handle 0 at connection creation are OK
for some controllers (like WilkinsPeak), as there are SCO packets
with zeroed handle at the beginning (possible controller bug).
Few of such messages at connection end, with a handle looking
sane (around 256, 512, 768 ...) is also OK, as these are last
SCO packets that were assembled and sent up, before connection
was ended, but were not handled in time.
This issue may still manifest itself on WilkinsPeak as it sometimes,
at SCO connection creation, does not send third fragment of first
SCO packet (#1-#2-#1-#2-#3...). This is a firmware bug and this
patch does not address it.
Signed-off-by: Kuba Pawlak <kubax.t.pawlak@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We need to explicitly enable the IRQ wakeup mode to let the controller
wake the system from sleep states (like suspend-to-ram).
PM suspend/resume callbacks now call the generic intel device PM
functions after enabling/disabling IRQ wake.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Change the way to insert LPM packets into the txq.
Use skb_queue_head instead of skb_queue_tail to always prioritise LPM
packets over potential tx queue content.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch supports handling for printout different chipnames between
atusb and rzusb. The rzusb contains an at86rf230 and atusb an at86rf231
transceiver.
Cc: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Retrieve the Interruption used by BCM device, which can be declared
as Interruption or GpioInt in the ACPI table.
Retrieve IRQ polarity from the ACPI table to use it for host_wake_active
parameter of Setup Sleep vendor specific command.
Configure BCM device to wake-up the host.
Enable IRQ wake while suspended.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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btintel_load_ddc_config is now part of btintel.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Apply DDC parameters once controller is in operational mode.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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btintel_load_ddc_config retrieves the ddc file and sends its content
via DDC commands (opcode 0xfc8b).
The ddc file should contain one or more DDC structures.
A DDC structure is composed of the folowing fields:
field: | DDC LEN | DDC ID | DDC VALUE |
size: | 1 byte | 2 bytes | DDC LEN - 2 |
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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intel_lpm_suspend/resume are only used in case of CONFIG_PM.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Fix compilation the following compilation warning, which happens when
CONFIG_BT_INTEL is not set:
drivers/bluetooth/btintel.h:98:13: warning: ‘btintel_version_info’
defined but not used [-Wunused-function]
static void btintel_version_info(struct hci_dev *hdev,
struct intel_version *ver)
^
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch introduce a more detailed information why edge triggered
irq's are currently not recommended. It could be that rising/falling
edge detection can happen while the irq is disabled.
Suggested-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch introduce debugfs support for collect trac status stats. To
clear the stats ifdown the interface of at86rf230 and start the
interface again.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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To abort a TX_ARET_BUSY state it's recommended to switch into TRX_OFF
state by doing STATE_TRX_FORCE_OFF. This patch will do always a TRX_OFF
state change when the transceiver stucks in any state. From TRX_OFF we
can switch to the states which are also possible by TX_ON state.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When transmit is done, indicated by trx_end irq, we do first a force
state change to TX_ON and then checking the trac status, if the trac
status is unequal zero we do a state change to TRX_OFF.
This patch changes to the following behaviour, we first check on trac
status after trx_end occurs and then doing a normal change to TX_ON
without do the state change to TRX_OFF when trac status is unequal zero.
The reasons are that the datasheet doesn't described when the trac
status register is cleared, we should doing to evaluate the trac status
at first. The reason to remove the TRX_OFF change if the trac status is
unequal to zero and it was force is the following paragraph inside The
at86rf2xx datasheets:
"Using FORCE_PLL_ON to interrupt an TX_ARET transaction, it is
recommended to check register bits [7:5] of register address 0x32 for
value 0. If this value is different, TRX_CMD sequence FORCE_TRX_OFF shall
be used immediately followed by TRX_CMD sequence PLL_ON. This performs a
state transition to PLL_ON."
The meaning is here "to interrupt an TX_ARET transaction" in case of
trx_end interrupt the "TX_ARET transaction" is already done and we don't
interrupt the "TX_ARET transaction" by doing the change to TX_ON (PLL_ON)
here. Additional I changed the force change to normal TX_ON which seems to
work here.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The ESC dispatch value has some history and it originally was 0x7f in rfc4944
(see section-5.1). With the release of rfc6282 this value got part of the
LOWPAN_IPHC range and was no longer available for ESC. Instead 0x40 was used
as replacement (see section-2 in rfc6282).
We have been checking the dispatch byte in an order where IPHC would always be
evaluated before ESC and thus we would never reach the ESC check as the IPHC
range already covers this value.
Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch changes the return value of lowpan packet receive handler to
the correct NET_RX_DROP instead RX_DROP.
This issue was detected by sparse and reported from Marcel:
net/ieee802154/6lowpan/rx.c:329:32: expected int
net/ieee802154/6lowpan/rx.c:329:32: got restricted lowpan_rx_result ...
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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