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* Merge branch 'for-linus' of ↵Linus Torvalds2010-04-051-0/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: saving negative to unsigned char 9p: return on mutex_lock_interruptible() 9p: Creating files with names too long should fail with ENAMETOOLONG. 9p: Make sure we are able to clunk the cached fid on umount 9p: drop nlink remove fs/9p: Clunk the fid resulting from partial walk of the name 9p: documentation update 9p: Fix setting of protocol flags in v9fs_session_info structure.
| * 9p: Make sure we are able to clunk the cached fid on umountAneesh Kumar K.V2010-04-051-0/+2
| | | | | | | | | | | | | | | | | | | | dcache prune happen on umount. So we cannot mark the client satus disconnect. That will prevent a 9p call to the server Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-3010-0/+11
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* Bluetooth: Convert debug files to actually use debugfs instead of sysfsMarcel Holtmann2010-03-211-1/+1
| | | | | | | | | Some of the debug files ended up wrongly in sysfs, because at that point of time, debugfs didn't exist. Convert these files to use debugfs and also seq_file. This patch converts all of these files at once and then removes the exported symbol for the Bluetooth sysfs class. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* netlink: fix unaligned access in nla_get_be64()Pablo Neira Ayuso2010-03-191-1/+5
| | | | | | | | This patch fixes a unaligned access in nla_get_be64() that was introduced by myself in a17c859849402315613a0015ac8fbf101acf0cc1. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-03-141-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: Skip check for mandatory locks when unlocking 9p: Fixes a simple bug enabling writes beyond 2GB. 9p: Change the name of new protocol from 9p2010.L to 9p2000.L fs/9p: re-init the wstat in readdir loop net/9p: Add sysfs mount_tag file for virtio 9P device net/9p: Use the tag name in the config space for identifying mount point
| * 9p: Change the name of new protocol from 9p2010.L to 9p2000.LSripathi Kodi2010-03-131-2/+2
| | | | | | | | | | | | | | | | | | This patch changes the name of the new 9P protocol from 9p2010.L to 9p2000.u. This is because we learnt that the name 9p2010 is already being used by others. Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2010-03-136-6/+38
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits) bridge: ensure to unlock in error path in br_multicast_query(). drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip init messages sky2: Avoid rtnl_unlock without rtnl_lock ipv6: Send netlink notification when DAD fails drivers/net/tg3.c: change the field used with the TG3_FLAG_10_100_ONLY constant ipconfig: Handle devices which take some time to come up. mac80211: Fix memory leak in ieee80211_if_write() mac80211: Fix (dynamic) power save entry ipw2200: use kmalloc for large local variables ath5k: read eeprom IQ calibration values correctly for G mode ath5k: fix I/Q calibration (for real) ath5k: fix TSF reset ath5k: use fixed antenna for tx descriptors libipw: split ieee->networks into small pieces mac80211: Fix sta_mtx unlocking on insert STA failure path rt2x00: remove KSEG1ADDR define from rt2x00soc.h net: add ColdFire support to the smc91x driver asix: fix setting mac address for AX88772 ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}. net: Fix dev_mc_add() ...
| * ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}.YOSHIFUJI Hideaki / 吉藤英明2010-03-101-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | Commit a43912ab19... ("tunnel: eliminate recursion field") eliminated use of recursion field from tunnel structures, but its definition still exists in ip6_tnl{}. Let's remove that unused field. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: add __must_check to sk_add_backlogZhu Yi2010-03-081-1/+1
| | | | | | | | | | | | | | | | Add the "__must_check" tag to sk_add_backlog() so that any failure to check and drop packets will be warned about. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: Optmize translation between IPV6_PREFER_SRC_xxx and RT6_LOOKUP_F_xxx.YOSHIFUJI Hideaki / 吉藤英明2010-03-071-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IPV6_PREFER_SRC_xxx definitions: | #define IPV6_PREFER_SRC_TMP 0x0001 | #define IPV6_PREFER_SRC_PUBLIC 0x0002 | #define IPV6_PREFER_SRC_COA 0x0004 RT6_LOOKUP_F_xxx definitions: | #define RT6_LOOKUP_F_SRCPREF_TMP 0x00000008 | #define RT6_LOOKUP_F_SRCPREF_PUBLIC 0x00000010 | #define RT6_LOOKUP_F_SRCPREF_COA 0x00000020 So, we can translate between these two groups by shift operation instead of multiple 'if's. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: backlog functions renameZhu Yi2010-03-051-3/+3
| | | | | | | | | | | | | | | | | | sk_add_backlog -> __sk_add_backlog sk_add_backlog_limited -> sk_add_backlog Signed-off-by: Zhu Yi <yi.zhu@intel.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: add limit for socket backlogZhu Yi2010-03-051-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We got system OOM while running some UDP netperf testing on the loopback device. The case is multiple senders sent stream UDP packets to a single receiver via loopback on local host. Of course, the receiver is not able to handle all the packets in time. But we surprisingly found that these packets were not discarded due to the receiver's sk->sk_rcvbuf limit. Instead, they are kept queuing to sk->sk_backlog and finally ate up all the memory. We believe this is a secure hole that a none privileged user can crash the system. The root cause for this problem is, when the receiver is doing __release_sock() (i.e. after userspace recv, kernel udp_recvmsg -> skb_free_datagram_locked -> release_sock), it moves skbs from backlog to sk_receive_queue with the softirq enabled. In the above case, multiple busy senders will almost make it an endless loop. The skbs in the backlog end up eat all the system memory. The issue is not only for UDP. Any protocols using socket backlog is potentially affected. The patch adds limit for socket backlog so that the backlog size cannot be expanded endlessly. Reported-by: Alex Shi <alex.shi@intel.com> Cc: David Miller <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru Cc: "Pekka Savola (ipv6)" <pekkas@netcore.fi> Cc: Patrick McHardy <kaber@trash.net> Cc: Vlad Yasevich <vladislav.yasevich@hp.com> Cc: Sridhar Samudrala <sri@us.ibm.com> Cc: Jon Maloy <jon.maloy@ericsson.com> Cc: Allan Stephens <allan.stephens@windriver.com> Cc: Andrew Hendry <andrew.hendry@gmail.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: add scheduler sync hint to tcp_prequeue().Mike Galbraith2010-03-041-1/+1
| | | | | | | | | | | | | | Decreases the odds wakee will suffer from frequent cache misses. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge branch 'master' of ↵David S. Miller2010-03-031-1/+2
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| | * mac80211: Fix HT rate control configurationSujith2010-03-031-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Handling HT configuration changes involved setting the channel with the new HT parameters and then issuing a rate_update() notification to the driver. This behavior changed after the off-channel changes. Now, the channel is not updated with the new HT params in enable_ht() - instead, it is now done when the scan work terminates. This results in the driver depending on stale information, defaulting to non-HT mode always. Fix this by passing the new channel type to the driver. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ipsec: Fix bogus bundle flowiHerbert Xu2010-03-031-1/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I merged the bundle creation code, I introduced a bogus flowi value in the bundle. Instead of getting from the caller, it was instead set to the flow in the route object, which is totally different. The end result is that the bundles we created never match, and we instead end up with an ever growing bundle list. Thanks to Jamal for find this problem. Reported-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-03-121-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (56 commits) doc: fix typo in comment explaining rb_tree usage Remove fs/ntfs/ChangeLog doc: fix console doc typo doc: cpuset: Update the cpuset flag file Fix of spelling in arch/sparc/kernel/leon_kernel.c no longer needed Remove drivers/parport/ChangeLog Remove drivers/char/ChangeLog doc: typo - Table 1-2 should refer to "status", not "statm" tree-wide: fix typos "ass?o[sc]iac?te" -> "associate" in comments No need to patch AMD-provided drivers/gpu/drm/radeon/atombios.h devres/irq: Fix devm_irq_match comment Remove reference to kthread_create_on_cpu tree-wide: Assorted spelling fixes tree-wide: fix 'lenght' typo in comments and code drm/kms: fix spelling in error message doc: capitalization and other minor fixes in pnp doc devres: typo fix s/dev/devm/ Remove redundant trailing semicolons from macros fix typo "definetly" -> "definitely" in comment tree-wide: s/widht/width/g typo in comments ... Fix trivial conflict in Documentation/laptops/00-INDEX
| * \ Merge branch 'for-next' into for-linusJiri Kosina2010-03-081-1/+1
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| | * | tree-wide: fix typos "ass?o[sc]iac?te" -> "associate" in commentsUwe Kleine-König2010-02-151-1/+1
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | | | nsproxy: remove INIT_NSPROXY()Alexey Dobriyan2010-03-121-5/+0
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove INIT_NSPROXY(), use C99 initializer. Remove INIT_IPC_NS(), INIT_NET_NS() while I'm at it. Note: headers trim will be done later, now it's quite pointless because results will be invalidated by merge window. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | 9P2010.L handshake: Remove "dotu" variableSripathi Kodi2010-03-051-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | Removes 'dotu' variable and make everything dependent on 'proto_version' field. Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | | 9P2010.L handshake: Add mount optionSripathi Kodi2010-03-051-0/+15
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | Add new mount V9FS mount option to specify protocol version This patch adds a new mount option to specify protocol version. With this option it is possible to use "-o version=" switch to specify 9P protocol version to use. Valid options for version are: 9p2000 9p2000.u 9p2010.L Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller2010-02-281-1/+3
|\ \ | | | | | | | | | | | | Conflicts: drivers/firmware/iscsi_ibft.c
| * | net: Add checking to rcu_dereference() primitivesPaul E. McKenney2010-02-251-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update rcu_dereference() primitives to use new lockdep-based checking. The rcu_dereference() in __in6_dev_get() may be protected either by rcu_read_lock() or RTNL, per Eric Dumazet. The rcu_dereference() in __sk_free() is protected by the fact that it is never reached if an update could change it. Check for this by using rcu_dereference_check() to verify that the struct sock's ->sk_wmem_alloc counter is zero. Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <1266887105-1528-5-git-send-email-paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'master' of ↵David S. Miller2010-02-282-2/+9
|\ \ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
| * | | Bluetooth: Add controller types for BR/EDR and 802.11 AMPMarcel Holtmann2010-02-272-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the Bluetooth 3.0 specification and the introduction of alternate MAC/PHY (AMP) support, it is required to differentiate between primary BR/EDR controllers and 802.11 AMP controllers. So introduce a special type inside HCI device for differentiation. For now all AMP controllers will be treated as raw devices until an AMP manager has been implemented. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| * | | Bluetooth: Convert inquiry cache to use debugfs instead of sysfsMarcel Holtmann2010-02-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The output of the inquiry cache is only useful for debugging purposes and so move it into debugfs. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| * | | Bluetooth: Convert controller hdev->type to hdev->busMarcel Holtmann2010-02-272-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The hdev->type is misnamed and should be actually hdev->bus instead. So convert it now. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | | rtnetlink: support specifying device flags on device creationPatrick McHardy2010-02-271-0/+2
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e8469ed959c373c2ff9e6f488aa5a14971aebe1f Author: Patrick McHardy <kaber@trash.net> Date: Tue Feb 23 20:41:30 2010 +0100 Support specifying the initial device flags when creating a device though rtnl_link. Devices allocated by rtnl_create_link() are marked as INITIALIZING in order to surpress netlink registration notifications. To complete setup, rtnl_configure_link() must be called, which performs the device flag changes and invokes the deferred notifiers if everything went well. Two examples: # add macvlan to eth0 # $ ip link add link eth0 up allmulticast on type macvlan [LINK]11: macvlan0@eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 26:f8:84:02:f9:2a brd ff:ff:ff:ff:ff:ff [ROUTE]ff00::/8 dev macvlan0 table local metric 256 mtu 1500 advmss 1440 hoplimit 0 [ROUTE]fe80::/64 dev macvlan0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0 [LINK]11: macvlan0@eth0: <BROADCAST,MULTICAST,ALLMULTI,UP,LOWER_UP> mtu 1500 link/ether 26:f8:84:02:f9:2a [ADDR]11: macvlan0 inet6 fe80::24f8:84ff:fe02:f92a/64 scope link valid_lft forever preferred_lft forever [ROUTE]local fe80::24f8:84ff:fe02:f92a via :: dev lo table local proto none metric 0 mtu 16436 advmss 16376 hoplimit 0 [ROUTE]default via fe80::215:e9ff:fef0:10f8 dev macvlan0 proto kernel metric 1024 mtu 1500 advmss 1440 hoplimit 0 [NEIGH]fe80::215:e9ff:fef0:10f8 dev macvlan0 lladdr 00:15:e9:f0:10:f8 router STALE [ROUTE]2001:6f8:974::/64 dev macvlan0 proto kernel metric 256 expires 0sec mtu 1500 advmss 1440 hoplimit 0 [PREFIX]prefix 2001:6f8:974::/64 dev macvlan0 onlink autoconf valid 14400 preferred 131084 [ADDR]11: macvlan0 inet6 2001:6f8:974:0:24f8:84ff:fe02:f92a/64 scope global dynamic valid_lft 86399sec preferred_lft 14399sec # add VLAN to eth1, eth1 is down # $ ip link add link eth1 up type vlan id 1000 RTNETLINK answers: Network is down <no events> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | ipv6: Remove IPV6_ADDR_RESERVEDUlrich Weber2010-02-261-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RFC 4291 section 2.4 states that all uncategorized addresses should be considered as Global Unicast. This will remove IPV6_ADDR_RESERVED completely and return IPV6_ADDR_UNICAST in ipv6_addr_type() instead. Signed-off-by: Ulrich Weber <uweber@astaro.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'master' of ↵David S. Miller2010-02-252-5/+55
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-core.h drivers/net/wireless/rt2x00/rt2800pci.c
| * | | nl80211: add power save commandsKalle Valo2010-02-191-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The most needed command from nl80211, which Wireless Extensions had, is support for power save mode. Add a simple command to make it possible to enable and disable power save via nl80211. I was also planning about extending the interface, for example adding the timeout value, but after thinking more about this I decided not to do it. Basically there were three reasons: Firstly, the parameters for power save are very much hardware dependent. Trying to find a unified interface which would work with all hardware, and still make sense to users, will be very difficult. Secondly, IEEE 802.11 power save implementation in Linux is still in state of flux. We have a long way to still to go and there is no way to predict what kind of implementation we will have after few years. And because we need to support nl80211 interface a long time, practically forever, adding now parameters to nl80211 might create maintenance problems later on. Third issue are the users. Power save parameters are mostly used for debugging, so debugfs is better, more flexible, interface for this. For example, wpa_supplicant currently doesn't configure anything related to power save mode. It's better to strive that kernel can automatically optimise the power save parameters, like with help of pm qos network and other traffic parameters. Later on, when we have better understanding of power save, we can extend this command with more features, if there's a need for that. Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | cfg80211/mac80211: allow registering for and sending action framesJouni Malinen2010-02-152-2/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements a new command to register for action frames that userspace wants to handle instead of the in-kernel rejection. It is then responsible for rejecting ones that it decided not to handle. There is no unregistration, but the socket can be closed for that. Frames that are not registered for will not be forwarded to userspace and will be rejected by the kernel, the cfg80211 API helps implementing that. Additionally, this patch adds a new command that allows doing action frame transmission from userspace. It can be used either to exchange action frames on the current operational channel (e.g., with the AP with which we are currently associated) or to exchange off-channel Public Action frames with the remain-on-channel command. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | xfrm: SP lookups signature with markJamal Hadi Salim2010-02-221-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pass mark to all SP lookups to prepare them for when we add code to have them search. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | xfrm: SA lookups signature with markJamal Hadi Salim2010-02-221-7/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pass mark to all SA lookups to prepare them for when we add code to have them search. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | xfrm: introduce basic mark infrastructureJamal Hadi Salim2010-02-221-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add basic structuring and accessors for xfrm mark Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | packet: convert socket list to RCU (v3)stephen hemminger2010-02-222-2/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert AF_PACKET to use RCU, eliminating one more reader/writer lock. There is no need for a real sk_del_node_init_rcu(), because sk_del_node_init is doing the equivalent thing to hlst_del_init_rcu already; but added some comments to try and make that obvious. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: TCP thin dupackAndreas Petlund2010-02-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch enables fast retransmissions after one dupACK for TCP if the stream is identified as thin. This will reduce latencies for thin streams that are not able to trigger fast retransmissions due to high packet interarrival time. This mechanism is only active if enabled by iocontrol or syscontrol and the stream is identified as thin. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: TCP thin linear timeoutsAndreas Petlund2010-02-181-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch will make TCP use only linear timeouts if the stream is thin. This will help to avoid the very high latencies that thin stream suffer because of exponential backoff. This mechanism is only active if enabled by iocontrol or syscontrol and the stream is identified as thin. A maximum of 6 linear timeouts is tried before exponential backoff is resumed. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net: TCP thin-stream detectionAndreas Petlund2010-02-181-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Inline function to dynamically detect thin streams based on the number of packets in flight. Used to dynamically trigger thin-stream mechanisms if enabled by ioctl or sysctl. Signed-off-by: Andreas Petlund <apetlund@simula.no> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | const: struct nla_policyAlexey Dobriyan2010-02-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make remaining netlink policies as const. Fixup coding style where needed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | ipv6: use standard lists for FIB walksAlexey Dobriyan2010-02-181-1/+1
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | netfilter: nf_defrag_ipv4: fix compilation error with NF_CONNTRACK=nPatrick McHardy2010-02-181-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As reported by Randy Dunlap <randy.dunlap@oracle.com>, compilation of nf_defrag_ipv4 fails with: include/net/netfilter/nf_conntrack.h:94: error: field 'ct_general' has incomplete type include/net/netfilter/nf_conntrack.h:178: error: 'const struct sk_buff' has no member named 'nfct' include/net/netfilter/nf_conntrack.h:185: error: implicit declaration of function 'nf_conntrack_put' include/net/netfilter/nf_conntrack.h:294: error: 'const struct sk_buff' has no member named 'nfct' net/ipv4/netfilter/nf_defrag_ipv4.c:45: error: 'struct sk_buff' has no member named 'nfct' net/ipv4/netfilter/nf_defrag_ipv4.c:46: error: 'struct sk_buff' has no member named 'nfct' net/nf_conntrack.h must not be included with NF_CONNTRACK=n, add a few #ifdefs. Long term the header file should be fixed to be usable even with NF_CONNTRACK=n. Tested-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | | | ipvs: SCTP Trasport Loadbalancing SupportVenkata Mohan Reddy2010-02-181-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enhance IPVS to load balance SCTP transport protocol packets. This is done based on the SCTP rfc 4960. All possible control chunks have been taken care. The state machine used in this code looks some what lengthy. I tried to make the state machine easy to understand. Signed-off-by: Venkata Mohan Reddy Koppula <mohanreddykv@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | | | IPv6: convert mc_lock to spinlockStephen Hemminger2010-02-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Only used for writing, so convert to spinlock Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | ipv6.h: reassembly: replace calculated magic number with multiplicationJoe Perches2010-02-171-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Tue, 2010-02-16 at 16:47 +0100, Patrick McHardy wrote: > Joe Perches wrote: > >> @@ -246,6 +246,8 @@ extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb); > >> int ip6_frag_nqueues(struct net *net); > >> int ip6_frag_mem(struct net *net); > >> > >> +#define IPV6_FRAG_HIGH_THRESH 262144 /* == 256*1024 */ > >> +#define IPV6_FRAG_LOW_THRESH 196608 /* == 192*1024 */ > >> #define IPV6_FRAG_TIMEOUT (60*HZ) /* 60 seconds */ > > > > 196608 isn't a number I want to remember. > > Is this better as: > > > > #define IPV6_FRAG_HIGH_THRESH (256 * 1024) /* 262144 */ > > #define IPV6_FRAG_LOW_THRESH (192 * 1024) /* 196608 */ > > Please send a patch, I'll apply it once these patches are in Dave's > tree. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | percpu: add __percpu sparse annotations to netTejun Heo2010-02-168-13/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add __percpu sparse annotations to net. These annotations are to make sparse consider percpu variables to be in a different address space and warn if accessed without going through percpu accessors. This patch doesn't affect normal builds. The macro and type tricks around snmp stats make things a bit interesting. DEFINE/DECLARE_SNMP_STAT() macros mark the target field as __percpu and SNMP_UPD_PO_STATS() macro is updated accordingly. All snmp_mib_*() users which used to cast the argument to (void **) are updated to cast it to (void __percpu **). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Vlad Yasevich <vladislav.yasevich@hp.com> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | net neigh: Decouple per interface neighbour table controls from binary sysctlsEric W. Biederman2010-02-161-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stop computing the number of neighbour table settings we have by counting the number of binary sysctls. This behaviour was silly and meant that we could not add another neighbour table setting without also adding another binary sysctl. Don't pass the binary sysctl path for neighour table entries into neigh_sysctl_register. These parameters are no longer used and so are just dead code. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'master' of ↵David S. Miller2010-02-1615-64/+124
|\ \ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
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