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2012-05-10etherdevice.h: Add ether_addr_equal_64bitsJoe Perches
Add an optimized boolean function to check if 2 ethernet addresses are the same. This is to avoid any confusion about compare_ether_addr_64bits returning an unsigned, and not being able to use the compare_ether_addr_64bits function for sorting ala memcmp. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10tcp: Move rcvq sending to tcp_input.cPavel Emelyanov
It actually works on the input queue and will use its read mem routines, thus it's better to have in in the tcp_input.c file. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10sctp: check cached dst before using itNicolas Dichtel
dst_check() will take care of SA (and obsolete field), hence IPsec rekeying scenario is taken into account. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Vlad Yaseivch <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10Revert "net: maintain namespace isolation between vlan and real device"David S. Miller
This reverts commit 8a83a00b0735190384a348156837918271034144. It causes regressions for S390 devices, because it does an unconditional DST drop on SKBs for vlans and the QETH device needs the neighbour entry hung off the DST for certain things on transmit. Arnd can't remember exactly why he even needed this change. Conflicts: drivers/net/macvlan.c net/8021q/vlan_dev.c net/core/dev.c Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10vfs: make it possible to access the dentry hash/len as one 64-bit entryLinus Torvalds
This allows comparing hash and len in one operation on 64-bit architectures. Right now only __d_lookup_rcu() takes advantage of this, since that is the case we care most about. The use of anonymous struct/unions hides the alternate 64-bit approach from most users, the exception being a few cases where we initialize a 'struct qstr' with a static initializer. This makes the problematic cases use a new QSTR_INIT() helper function for that (but initializing just the name pointer with a "{ .name = xyzzy }" initializer remains valid, as does just copying another qstr structure). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-10tracing: Do not enable function event with enableSteven Rostedt
With the adding of function tracing event to perf, it caused a side effect that produces the following warning when enabling all events in ftrace: # echo 1 > /sys/kernel/debug/tracing/events/enable [console] event trace: Could not enable event function This is because when enabling all events via the debugfs system it ignores events that do not have a ->reg() function assigned. This was to skip over the ftrace internal events (as they are not TRACE_EVENTs). But as the ftrace function event now has a ->reg() function attached to it for use with perf, it is no longer ignored. Worse yet, this ->reg() function is being called when it should not be. It returns an error and causes the above warning to be printed. By adding a new event_call flag (TRACE_EVENT_FL_IGNORE_ENABLE) and have all ftrace internel event structures have it set, setting the events/enable will no longe try to incorrectly enable the function event and does not warn. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-10pinctrl: (cosmetic) fix two entries in DocBook commentsGuennadi Liakhovetski
This removes a repeated word and a repeated and incomplete line from two pinctrl headers. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-09Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
2012-05-10ethtool: Extend the ethtool API to obtain plugin module eeprom dataStuart Hodgson
ETHTOOL_GMODULEINFO returns a new struct ethtool_modinfo that will return the type and size of plug-in module eeprom (such as SFP+) for parsing by userland program. ETHTOOL_GMODULEEEPROM returns the raw eeprom information using the existing ethtool_eeprom structture to return the data Signed-off-by: Stuart Hodgson <smhodgson@solarflare.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-05-09etherdevice.h: Add ether_addr_equalJoe Perches
Add a boolean function to check if 2 ethernet addresses are the same. This is to avoid any confusion about compare_ether_addr returning an unsigned, and not being able to use the compare_ether_addr function for sorting ala memcmp. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09target: Remove max_sectors device attribute for modern se_task less codeNicholas Bellinger
This patch removes the original usage of dev_attr->max_sectors in favor of dev_attr->hw_max_sectors that is now being enforced by target core from within transport_generic_cmd_sequencer() for SCF_SCSI_DATA_SG_IO_CDB ops. After the recent se_task removal patches from hch, this value for IBLOCK backends being set via configfs by userspace from an saved max_sectors value that is turning out to be problematic, so it makes sense to go ahead and remove this now legacy attribute all-together. This patch also continues to make se_dev_set_default_attribs() do (sectors / block_size) alignment for what actually get used by target_core_mod to be safe here, following the same alignment currently used by fabric_max_sectors. Reported-by: Andy Grover <agrover@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-09rcu: Make RCU_FAST_NO_HZ handle timer migrationPaul E. McKenney
The current RCU_FAST_NO_HZ assumes that timers do not migrate unless a CPU goes offline, in which case it assumes that the CPU will have to come out of dyntick-idle mode (cancelling the timer) in order to go offline. This is important because when RCU_FAST_NO_HZ permits a CPU to enter dyntick-idle mode despite having RCU callbacks pending, it posts a timer on that CPU to force a wakeup on that CPU. This wakeup ensures that the CPU will eventually handle the end of the grace period, including invoking its RCU callbacks. However, Pascal Chapperon's test setup shows that the timer handler rcu_idle_gp_timer_func() really does get invoked in some cases. This is problematic because this can cause the CPU that entered dyntick-idle mode despite still having RCU callbacks pending to remain in dyntick-idle mode indefinitely, which means that its RCU callbacks might never be invoked. This situation can result in grace-period delays or even system hangs, which matches Pascal's observations of slow boot-up and shutdown (https://lkml.org/lkml/2012/4/5/142). See also the bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=806548 This commit therefore causes the "should never be invoked" timer handler rcu_idle_gp_timer_func() to use smp_call_function_single() to wake up the CPU for which the timer was intended, allowing that CPU to invoke its RCU callbacks in a timely manner. Reported-by: Pascal Chapperon <pascal.chapperon@wanadoo.fr> Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2012-05-09netfilter: hashlimit: byte-based limit modeFlorian Westphal
can be used e.g. for ingress traffic policing or to detect when a host/port consumes more bandwidth than expected. This is done by optionally making cost to mean "cost per 16-byte-chunk-of-data" instead of "cost per packet". Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: add xt_hmark target for hash-based skb markingHans Schillstrom
The target allows you to create rules in the "raw" and "mangle" tables which set the skbuff mark by means of hash calculation within a given range. The nfmark can influence the routing method (see "Use netfilter MARK value as routing key") and can also be used by other subsystems to change their behaviour. [ Part of this patch has been refactorized and modified by Pablo Neira Ayuso ] Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: ip6_tables: add flags parameter to ipv6_find_hdr()Hans Schillstrom
This patch adds the flags parameter to ipv6_find_hdr. This flags allows us to: * know if this is a fragment. * stop at the AH header, so the information contained in that header can be used for some specific packet handling. This patch also adds the offset parameter for inspection of one inner IPv6 header that is contained in error messages. Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09regulator: twl-regulator: make TWL4030_ALLOW_UNSUPPORTED more configurable.NeilBrown
The regulators in the twl4030 can provide some voltage settings that are not offically supported. These settings are disabled by default, but can be enabled with CONFIG_TWL4030_ALLOW_UNSUPPORTED=y However - that config variable is not mentioned in any Kconfig so cannot be used, and - a global setting is clumsy - a per regulator setting would be better. So define a new 'feature' flag that a board file can set to enable these unsupported volatages for boards which need them. This flag cannot (yet) be set using device-tree. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09mfd: twl: define all feature flags in one place.NeilBrown
twl-regulator has a collection of feature flags, some defined in twl-core.c and one defined in i2c/twl.h. This is confusing for anyone adding a new feature flag. So collect them together and place them in twl.h immediately after the structure in which they are initially set. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09Bluetooth: Refactor L2CAP ERTM and streaming transmit segmentationMat Martineau
Use more common code for ERTM and streaming mode segmentation and transmission, and begin using skb control block data for delaying extended or enhanced header generation until just before the packet is transmitted. This code is also better suited for resegmentation, which is needed when L2CAP links are reconfigured after an AMP channel move. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Reviewed-by: Ulisses Furquim <ulisses@profusion.mobi> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Enable Low Energy support by defaultMarcel Holtmann
The Bluetooth Low Energy support so far was disabled by default via a module parameter. With this change the module parameter will be removed and Low Energy is enabled by default. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Remove unused hci_le_ltk_neg_reply()Syam Sidhardhan
No one is using hci_le_ltk_neg_reply() in bluetooth subsystem. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Remove unused hci_le_ltk_reply()Syam Sidhardhan
In this API, we were using sizeof operator for an array given as function argument, which is invalid. However this API is not used anywhere. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Remove duplicate structure members from bt_skb_cbMat Martineau
These values are now in the nested l2cap_ctrl struct. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Improve ERTM sequence number offset calculationMat Martineau
Instead of using modular division, the offset can be calculated using only addition and subtraction. The previous calculation did not work as intended and was more difficult to understand, involving unsigned integer underflow and a check for a negative value where one was not possible. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Remove advertising cacheAndre Guedes
User-space pass the remote device address type to kernel through struct sockaddr_l2 what makes the advertising useless. This patch removes all advertising cache code. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Use address type info from user-spaceAndre Guedes
In order to establish a LE connection we need the address type information. User-space already pass this information to kernel through struct sockaddr_l2. This patch adds the dst_type parameter to l2cap_chan_connect so we are able to pass the address type info from user-space down to hci_conn layer. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Add dst_type parameter to hci_connectAndre Guedes
This patch adds the dst_type parameter to hci_connect function. Instead of searching the address type in advertising cache, we use the dst_type parameter to establish LE connections. The dst_type is ignored for BR/EDR connection establishment. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Move bdaddr_to_le to hci_coreAndre Guedes
This patch moves the helper function bdaddr_to_le to hci_core, so it can be used in mgmt.c and hci_conn.c. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Add address type to struct sockaddr_l2Andre Guedes
This patch adds the address type info to struct sockaddr_l2 so user-space can inform the remote device address type required to establish LE connections. Soon, instead of looking the advertising cache up to discover the address type, we'll use this address type info to establish LE connections. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Move address type macros to bluetooth.hAndre Guedes
This patch moves address type macros to bluetooth.h since they will be used by management interface and Bluetooth socket interface. It also replaces the macro prefix MGMT_ADDR_ by BDADDR_. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: trivial: Remove empty lineAndrei Emeltchenko
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Remove strtoba header declared but not definedSyam Sidhardhan
No one is using strtoba() in the bluetooth subsystem. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: remove header declared but not definedSyam Sidhardhan
hci_del_off_timer() doesn't exist anymore. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add the l2cap_seq_list structure for tracking framesMat Martineau
A sequence list is a data structure used to track frames that need to be retransmitted, and frames that have been requested for retransmission by the remote device. It can compactly represent a list of sequence numbers within the ERTM transmit window. Memory for the list is allocated once at connection time, and common operations in ERTM are O(1). Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2012-05-09Bluetooth: Remove err parameter from alloc_skb()Gustavo Padovan
Use ERR_PTR maginc instead. Signed-off-by: Gustavo Padovan <gustavo@padovan.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Adds set_default function in L2CAP setupAndrei Emeltchenko
Some parameters in L2CAP chan are set to default similar way in socket based channels and A2MP channels. Adds common function which sets all defaults. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Remove MGMT_ADDR_INVALID macroAndre Guedes
This patch removes the MGMT_ADDR_INVALID macro. If the address type isn't LE, we consider it is BR/EDR type. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Remove sk parameter from l2cap_chan_create()Gustavo Padovan
Following the separation if core and sock code this change avoid manipulation of sk inside l2cap_chan_create(). Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add a structure to carry ERTM data in skb control blocksMat Martineau
Every field from ERTM control headers is now carried in the control block so it only has to be parsed or generated once, and can be efficiently accessed throughout the ERTM code. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add definitions and struct members for new ERTM state machineMat Martineau
Adds some missing values for control field parsing, additional data for the new state machine, and enumerations for states, incoming packet classification, and state machine events. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Comments and style fixesAndrei Emeltchenko
Add comments to timer implementation and style fixes. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add HCI_PERIODIC_INQ to dev_flagsAndre Guedes
This patch adds the HCI_PERIODIC_INQ flag to dev_flags. This flag tracks if periodic inquiry is enabled or not. Signed-off-by: Andre Guedes <aguedespe@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add Periodic Inquiry command complete handlerAndre Guedes
This patch adds a handler function to Periodic Inquiry command complete event. Signed-off-by: Andre Guedes <aguedespe@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
2012-05-09Bluetooth: Add hci_cancel_le_scan() to hci_coreAndre Guedes
This patch adds to hci_core the hci_cancel_le_scan function which should be used to cancel an ongoing LE scan. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Correct ediv in SMPAndrei Emeltchenko
ediv is already in little endian order. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Add management command for setting Device IDMarcel Holtmann
The Device ID details need to be programmed into the kernel for every controller at least once. So provide management command for this. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Handle EIR tags for Device IDMarcel Holtmann
The Device ID information can be provided via Extended Inquiry Data as well. If a valid source is present, then include it. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Add TX power tag to EIR dataMarcel Holtmann
The Inquiry Response TX power tag should be added to the Extended Inquiry Data (EIR) as well. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Remove redundant hdev->parent fieldDavid Herrmann
We initialize the "struct device" in hci_alloc_dev() for a long time now so we can access hdev->dev.parent directly. Hence, we can drop the temporary field hdev->parent which is used in no other place than hci_add_sysfs(). SET_HCIDEV_DEV() is never called after registering a device by the drivers so we do not overwrite internal device-state. Furthermore, hdev->dev is initialized to 0 by kzalloc() inside hci_alloc_dev() so the default behavior with dev.parent = NULL is kept. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2012-05-09Bluetooth: Correct type for ediv to __le16Andrei Emeltchenko
Correct type warnings reported by sparse to show that this functions takes ediv argument in __le16 format. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2012-05-09Bluetooth: Correct type for hdev lmp_subverAndrei Emeltchenko
Keep lmp_subver in host byte order. We have following conversion in hci_cc_read_local_version: hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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