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2011-06-16Bluetooth: Move blacklisting functions to hci_coreAntti Julku1-0/+2
Move blacklisting functions to hci_core.c, so that they can be used by both management interface and hci socket interface. Signed-off-by: Antti Julku <antti.julku@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-16clocksource: Make watchdog robust vs. interruptionThomas Gleixner1-0/+1
The clocksource watchdog code is interruptible and it has been observed that this can trigger false positives which disable the TSC. The reason is that an interrupt storm or a long running interrupt handler between the read of the watchdog source and the read of the TSC brings the two far enough apart that the delta is larger than the unstable treshold. Move both reads into a short interrupt disabled region to avoid that. Reported-and-tested-by: Vernon Mauery <vernux@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org
2011-06-16Merge branch 'for-linus' of ↵Linus Torvalds3-12/+15
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: AFS: Use i_generation not i_version for the vnode uniquifier AFS: Set s_id in the superblock to the volume name vfs: Fix data corruption after failed write in __block_write_begin() afs: afs_fill_page reads too much, or wrong data VFS: Fix vfsmount overput on simultaneous automount fix wrong iput on d_inode introduced by e6bc45d65d Delay struct net freeing while there's a sysfs instance refering to it afs: fix sget() races, close leak on umount ubifs: fix sget races ubifs: split allocation of ubifs_info into a separate function fix leak in proc_set_super()
2011-06-16netfilter: ipset: whitespace and coding fixes detected by checkpatch.plJozsef Kadlecsik4-6/+6
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: hash:net,iface type introducedJozsef Kadlecsik2-0/+11
The hash:net,iface type makes possible to store network address and interface name pairs in a set. It's mostly suitable for egress and ingress filtering. Examples: # ipset create test hash:net,iface # ipset add test 192.168.0.0/16,eth0 # ipset add test 192.168.0.0/24,eth1 Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: add xt_action_param to the variant level kadt functions, ↵Jozsef Kadlecsik2-0/+6
ipset API change With the change the sets can use any parameter available for the match and target extensions, like input/output interface. It's required for the hash:net,iface set type. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: use unified from/to address masking and check the usageJozsef Kadlecsik1-0/+6
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: adding ranges to hash types with timeout could still fail, ↵Jozsef Kadlecsik1-1/+1
fixed The patch "Fix adding ranges to hash types" had got a mistypeing in the timeout variant of the hash types, which actually made the patch ineffective. Fixed! Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: support range for IPv4 at adding/deleting elements for ↵Jozsef Kadlecsik4-1/+9
hash:*net* types The range internally is converted to the network(s) equal to the range. Example: # ipset new test hash:net # ipset add test 10.2.0.0-10.2.1.12 # ipset list test Name: test Type: hash:net Header: family inet hashsize 1024 maxelem 65536 Size in memory: 16888 References: 0 Members: 10.2.1.12 10.2.1.0/29 10.2.0.0/24 10.2.1.8/30 Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: set type support with multiple revisions addedJozsef Kadlecsik1-2/+4
A set type may have multiple revisions, for example when syntax is extended. Support continuous revision ranges in set types. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: fix adding ranges to hash typesJozsef Kadlecsik2-4/+20
When ranges are added to hash types, the elements may trigger rehashing the set. However, the last successfully added element was not kept track so the adding started again with the first element after the rehashing. Bug reported by Mr Dash Four. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: support listing setnames and headers tooJozsef Kadlecsik1-0/+4
Current listing makes possible to list sets with full content only. The patch adds support partial listings, i.e. listing just the existing setnames or listing set headers, without set members. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: options and flags support added to the kernel APIJozsef Kadlecsik4-8/+30
The support makes possible to specify the timeout value for the SET target and a flag to reset the timeout for already existing entries. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: ipset: timeout can be modified for already added elementsJozsef Kadlecsik2-8/+10
When an element to a set with timeout added, one can change the timeout by "readding" the element with the "-exist" flag. That means the timeout value is reset to the specified one (or to the default from the set specification if the "timeout n" option is not used). Example ipset add foo 1.2.3.4 timeout 10 ipset add foo 1.2.3.4 timeout 600 -exist Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16netfilter: nf_nat: avoid double seq_adjust for loopbackJulian Anastasov1-0/+6
Avoid double seq adjustment for loopback traffic because it causes silent repetition of TCP data. One example is passive FTP with DNAT rule and difference in the length of IP addresses. This patch adds check if packet is sent and received via loopback device. As the same conntrack is used both for outgoing and incoming direction, we restrict seq adjustment to happen only in POSTROUTING. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-06-16Merge branch 'master' of ↵Patrick McHardy1-21/+13
git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next-2.6
2011-06-16gpio: add GPIOF_ values regardless on kconfig settingsRandy Dunlap2-10/+11
Make GPIOF_ defined values available even when GPIOLIB nor GENERIC_GPIO is enabled by moving them to <linux/gpio.h>. Fixes these build errors in linux-next: sound/soc/codecs/ak4641.c:524: error: 'GPIOF_OUT_INIT_LOW' undeclared (first use in this function) sound/soc/codecs/wm8915.c:2921: error: 'GPIOF_OUT_INIT_LOW' undeclared (first use in this function) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-16drm/radeon: workaround a hw bug on some radeon chipsets with all-0 EDIDs.Dave Airlie1-0/+2
Some RS690 chipsets seem to end up with floating connectors, either a DVI connector isn't actually populated, or an add-in HDMI card is available but not installed. In this case we seem to get a NULL byte response for each byte of the i2c transaction, so we detect this case and if we see it we don't do anymore DDC transactions on this connector. I've tested this on my RS690 without the HDMI card installed and it seems to work fine. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
2011-06-15include/asm-generic/pgtable.h: fix unbalanced parenthesisNicolas Kaiser1-1/+1
Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Reviewed-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15uts: make default hostname configurable, rather than always using "(none)"Josh Triplett1-1/+1
The "hostname" tool falls back to setting the hostname to "localhost" if /etc/hostname does not exist. Distribution init scripts have the same fallback. However, if userspace never calls sethostname, such as when booting with init=/bin/sh, or otherwise booting a minimal system without the usual init scripts, the default hostname of "(none)" remains, unhelpfully appearing in various places such as prompts ("root@(none):~#") and logs. Furthermore, "(none)" doesn't typically resolve to anything useful. Make the default hostname configurable. This removes the need for the standard fallback, provides a useful default for systems that never call sethostname, and makes minimal systems that much more useful with less configuration. Distributions could choose to use "localhost" here to avoid the fallback, while embedded systems may wish to use a specific target hostname. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: David Miller <davem@davemloft.net> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Kel Modderman <kel@otaku42.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15BUILD_BUG_ON_ZERO: fix sparse breakageDr. David Alan Gilbert1-2/+2
BUILD_BUG_ON_ZERO and BUILD_BUG_ON_NULL must return values, even in the CHECKER case otherwise various users of it become syntactically invalid. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15mm: increase RECLAIM_DISTANCE to 30KOSAKI Motohiro1-1/+1
Recently, Robert Mueller reported (http://lkml.org/lkml/2010/9/12/236) that zone_reclaim_mode doesn't work properly on his new NUMA server (Dual Xeon E5520 + Intel S5520UR MB). He is using Cyrus IMAPd and it's built on a very traditional single-process model. * a master process which reads config files and manages the other process * multiple imapd processes, one per connection * multiple pop3d processes, one per connection * multiple lmtpd processes, one per connection * periodical "cleanup" processes. There are thousands of independent processes. The problem is, recent Intel motherboard turn on zone_reclaim_mode by default and traditional prefork model software don't work well on it. Unfortunatelly, such models are still typical even in the 21st century. We can't ignore them. This patch raises the zone_reclaim_mode threshold to 30. 30 doesn't have any specific meaning. but 20 means that one-hop QPI/Hypertransport and such relatively cheap 2-4 socket machine are often used for traditional servers as above. The intention is that these machines don't use zone_reclaim_mode. Note: ia64 and Power have arch specific RECLAIM_DISTANCE definitions. This patch doesn't change such high-end NUMA machine behavior. Dave Hansen said: : I know specifically of pieces of x86 hardware that set the information : in the BIOS to '21' *specifically* so they'll get the zone_reclaim_mode : behavior which that implies. : : They've done performance testing and run very large and scary benchmarks : to make sure that they _want_ this turned on. What this means for them : is that they'll probably be de-optimized, at least on newer versions of : the kernel. : : If you want to do this for particular systems, maybe _that_'s what we : should do. Have a list of specific configurations that need the : defaults overridden either because they're buggy, or they have an : unusual hardware configuration not really reflected in the distance : table. And later said: : The original change in the hardware tables was for the benefit of a : benchmark. Said benchmark isn't going to get run on mainline until the : next batch of enterprise distros drops, at which point the hardware where : this was done will be irrelevant for the benchmark. I'm sure any new : hardware will just set this distance to another yet arbitrary value to : make the kernel do what it wants. :) : : Also, when the hardware got _set_ to this initially, I complained. So, I : guess I'm getting my way now, with this patch. I'm cool with it. Reported-by: Robert Mueller <robm@fastmail.fm> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Christoph Lameter <cl@linux.com> Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Luck, Tony" <tony.luck@intel.com> Acked-by: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15kmsg_dump.h: fix build when CONFIG_PRINTK is disabledRandy Dunlap1-0/+1
Fix <linux/kmsg_dump.h> when CONFIG_PRINTK is not enabled: include/linux/kmsg_dump.h:56: error: 'EINVAL' undeclared (first use in this function) include/linux/kmsg_dump.h:61: error: 'EINVAL' undeclared (first use in this function) Looks like commit 595dd3d8bf95 ("kmsg_dump: fix build for CONFIG_PRINTK=n") uses EINVAL without having the needed header file(s), but I'm sure that I build tested that patch also. oh well. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15vmscan: implement swap token priority agingKOSAKI Motohiro1-7/+13
While testing for memcg aware swap token, I observed a swap token was often grabbed an intermittent running process (eg init, auditd) and they never release a token. Why? Some processes (eg init, auditd, audispd) wake up when a process exiting. And swap token can be get first page-in process when a process exiting makes no swap token owner. Thus such above intermittent running process often get a token. And currently, swap token priority is only decreased at page fault path. Then, if the process sleep immediately after to grab swap token, the swap token priority never be decreased. That's obviously undesirable. This patch implement very poor (and lightweight) priority aging. It only be affect to the above corner case and doesn't change swap tendency workload performance (eg multi process qsbench load) Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Rik van Riel <riel@redhat.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15vmscan: implement swap token traceKOSAKI Motohiro1-0/+77
This is useful for observing swap token activity. example output: zsh-1845 [000] 598.962716: update_swap_token_priority: mm=ffff88015eaf7700 old_prio=1 new_prio=0 memtoy-1830 [001] 602.033900: update_swap_token_priority: mm=ffff880037a45880 old_prio=947 new_prio=949 memtoy-1830 [000] 602.041509: update_swap_token_priority: mm=ffff880037a45880 old_prio=949 new_prio=951 memtoy-1830 [000] 602.051959: update_swap_token_priority: mm=ffff880037a45880 old_prio=951 new_prio=953 memtoy-1830 [000] 602.052188: update_swap_token_priority: mm=ffff880037a45880 old_prio=953 new_prio=955 memtoy-1830 [001] 602.427184: put_swap_token: token_mm=ffff880037a45880 zsh-1789 [000] 602.427281: replace_swap_token: old_token_mm= (null) old_prio=0 new_token_mm=ffff88015eaf7018 new_prio=2 zsh-1789 [001] 602.433456: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=2 new_prio=4 zsh-1789 [000] 602.437613: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=4 new_prio=6 zsh-1789 [000] 602.443924: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=6 new_prio=8 zsh-1789 [000] 602.451873: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=8 new_prio=10 zsh-1789 [001] 602.462639: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=10 new_prio=12 Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Rik van Riel<riel@redhat.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15vmscan,memcg: memcg aware swap tokenKOSAKI Motohiro2-6/+8
Currently, memcg reclaim can disable swap token even if the swap token mm doesn't belong in its memory cgroup. It's slightly risky. If an admin creates very small mem-cgroup and silly guy runs contentious heavy memory pressure workload, every tasks are going to lose swap token and then system may become unresponsive. That's bad. This patch adds 'memcg' parameter into disable_swap_token(). and if the parameter doesn't match swap token, VM doesn't disable it. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Rik van Riel<riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15backlight: new driver for the ADP8870 backlight devicesMichael Hennerich1-0/+153
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-15tg3: Migrate phy preprocessor defs to system defsMatt Carlson1-0/+2
This patch changes to code to use some of the preprocessor definitions from mii.h over its homegrown equivalents. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-14rcu: Use softirq to address performance regressionShaohua Li2-1/+3
Commit a26ac2455ffcf3(rcu: move TREE_RCU from softirq to kthread) introduced performance regression. In an AIM7 test, this commit degraded performance by about 40%. The commit runs rcu callbacks in a kthread instead of softirq. We observed high rate of context switch which is caused by this. Out test system has 64 CPUs and HZ is 1000, so we saw more than 64k context switch per second which is caused by RCU's per-CPU kthread. A trace showed that most of the time the RCU per-CPU kthread doesn't actually handle any callbacks, but instead just does a very small amount of work handling grace periods. This means that RCU's per-CPU kthreads are making the scheduler do quite a bit of work in order to allow a very small amount of RCU-related processing to be done. Alex Shi's analysis determined that this slowdown is due to lock contention within the scheduler. Unfortunately, as Peter Zijlstra points out, the scheduler's real-time semantics require global action, which means that this contention is inherent in real-time scheduling. (Yes, perhaps someone will come up with a workaround -- otherwise, -rt is not going to do well on large SMP systems -- but this patch will work around this issue in the meantime. And "the meantime" might well be forever.) This patch therefore re-introduces softirq processing to RCU, but only for core RCU work. RCU callbacks are still executed in kthread context, so that only a small amount of RCU work runs in softirq context in the common case. This should minimize ksoftirqd execution, allowing us to skip boosting of ksoftirqd for CONFIG_RCU_BOOST=y kernels. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Tested-by: "Alex,Shi" <alex.shi@intel.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2011-06-14Bluetooth: Add key size checks for SMPVinicius Costa Gomes2-0/+4
This patch implements a check in smp cmd pairing request and pairing response to verify if encryption key maximum size is compatible in both slave and master when SMP Pairing is requested. Keys are also masked to the correct negotiated size. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-14Bluetooth: Add support for SMP timeoutVinicius Costa Gomes1-0/+2
This patch adds support for disconnecting the link when SMP procedure takes more than 30 seconds. SMP begins when either the Pairing Request command is sent or the Pairing Response is received, and it ends when the link is encrypted (or terminated). Vol 3, Part H Section 3.4. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-14IPVS: remove unused init and cleanup functions.Hans Schillstrom1-6/+0
After restructuring, there is some unused or empty functions left to be removed. Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2011-06-13Merge branch 'for-linus' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: SLAB: Record actual last user of freed objects. slub: always align cpu_slab to honor cmpxchg_double requirement
2011-06-13Bluetooth: Update the security level when link is encryptedVinicius Costa Gomes1-0/+3
If the pending security level is greater than the current security level and the link is now encrypted, we should update the link security level. This is only useful for LE links, when the only event generated when SMP is sucessful in the Encrypt Change event. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add support for LE Start EncryptionVinicius Costa Gomes2-0/+40
This adds support for starting SMP Phase 2 Encryption, when the initial SMP negotiation is successful. This adds the LE Start Encryption and LE Long Term Key Request commands and related events. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add SMP confirmation checks methodsAnderson Briglia1-0/+1
This patch includes support for generating and sending the random value used to produce the confirmation value. Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add SMP confirmation structsAnderson Briglia1-0/+5
This patch adds initial support for verifying the confirmation value that the remote side has sent. Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add support for using the crypto subsystemVinicius Costa Gomes1-0/+2
This will allow using the crypto subsystem for encrypting data. As SMP (Security Manager Protocol) is implemented almost entirely on the host side and the crypto module already implements the needed methods (AES-128), it makes sense to use it. There's now a new module option to enable/disable SMP support. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add simple SMP pairing negotiationAnderson Briglia1-0/+17
This implementation only exchanges SMP messages between the Host and the Remote. No keys are being generated. TK and STK generation will be provided in further patches. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Implement the first SMP commandsAnderson Briglia1-0/+26
These simple commands will allow the SMP procedure to be started and terminated with a not supported error. This is the first step toward something useful. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: keep reference if any ERTM timer is enabledGustavo F. Padovan1-6/+9
ERTM use the generic L2CAP timer functions to keep a reference to the channel. This is useful for avoiding crashes. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Make timer functions genericGustavo F. Padovan1-0/+2
We now plan to use l2cap_set_timer and l2cap_clear_timer in ERTM timers. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add refcnt to struct l2cap_chanGustavo F. Padovan1-0/+2
struct l2cap_chan has now its own refcnt that is compatible with the socket refcnt, i.e., we won't see sk_refcnt = 0 and chan->refcnt > 0. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add state tracking to struct l2cap_chanGustavo F. Padovan1-0/+3
Now socket state is tracked by struct sock and channel state is tracked by chan->state. At this point both says the same, but this is going to change when we add AMP Support for example. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: add close() callback to l2cap_chan_opsGustavo F. Padovan1-2/+1
close() calls l2cap_sock_kill() on l2cap_sock.c Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: add recv() callback to l2cap_chan_opsGustavo F. Padovan1-0/+1
This abstracts the call to sock_queue_recv_skb() into l2cap_chan_ops->recv(). Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13Bluetooth: Add l2cap_chan_ops abstractionGustavo F. Padovan1-3/+9
Add an abstraction layer between L2CAP core and its users (only l2cap_sock.c now). The first function implemented is new_connection() that replaces calls to l2cap_sock_alloc() in l2cap_core.c Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-06-13IPVS: rename of netns init and cleanup functions.Hans Schillstrom1-13/+13
Make it more clear what the functions does, on request by Julian. Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Hans Schillstrom <hans@schillstrom.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2011-06-13IPVS remove unused var from migration to netnsHans Schillstrom1-2/+0
Remove variable ctl_key from struct netns_ipvs, it's a leftover from early netns work. Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2011-06-12Delay struct net freeing while there's a sysfs instance refering to itAl Viro3-12/+15
* new refcount in struct net, controlling actual freeing of the memory * new method in kobj_ns_type_operations (->drop_ns()) * ->current_ns() semantics change - it's supposed to be followed by corresponding ->drop_ns(). For struct net in case of CONFIG_NET_NS it bumps the new refcount; net_drop_ns() decrements it and calls net_free() if the last reference has been dropped. Method renamed to ->grab_current_ns(). * old net_free() callers call net_drop_ns() instead. * sysfs_exit_ns() is gone, along with a large part of callchain leading to it; now that the references stored in ->ns[...] stay valid we do not need to hunt them down and replace them with NULL. That fixes problems in sysfs_lookup() and sysfs_readdir(), along with getting rid of sb->s_instances abuse. Note that struct net *shutdown* logics has not changed - net_cleanup() is called exactly when it used to be called. The only thing postponed by having a sysfs instance refering to that struct net is actual freeing of memory occupied by struct net. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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