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2010-09-16mac80211: use correct station flags lockJohannes Berg
This code is modifying the station flags, and as such should hold the flags lock so it can do so atomically vs. other flags modifications and readers. This issue was introduced when this code was added in eccb8e8f, as it used the wrong lock (thus not fixing the race that was previously documented in a comment.) Cc: stable@kernel.org [2.6.31+] Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath9k: Print rxfilter in debugfs.Ben Greear
Print raw and decoded rxfilter in debufs 'wiphy' file. Also, move variable-length printouts to bottom of file to make bounds checking easier. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath9k: calcrxfilter should take multiple VIFs into account.Ben Greear
When there is more than one VIF, listen for all beacons and ensure ATH9K_RX_FILTER_MCAST_BCAST_ALL is set. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath9k: Use common ath key management functionsBruno Randolf
Use key management functions which have been moved to ath/key.c and remove ath9k copies of these functions and other now unused definitions. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath5k: Use common crypt capabilities flagsBruno Randolf
Replace ah_aes_support and ah_combined_mic with common ath_crypt_caps ATH_CRYPT_CAP_CIPHER_AESCCM and ATH_CRYPT_CAP_MIC_COMBINED. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath/ath9k: Replace common->splitmic with a flagBruno Randolf
Replace common->splitmic with ATH_CRYPT_CAP_MIC_COMBINED flag. splitmic has to be used when the ATH_CRYPT_CAP_MIC_COMBINED capability flag is not set. Signed-off-by: Bruno Randolf <br1@einfach.org> Acked-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath5k: Remove old ath5k key handling functionsBruno Randolf
Remove the old ath5k key handling functions, since we now use the key management in ath common. Signed-off-by: Bruno Randolf <br1@einfach.org> Acked-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath5k: Use common ath key management functionsBruno Randolf
Use common ath key management functions in ath5k. This fixes problems with HW encryption in AP mode, which was broken in the ath5k implementation. Before (with the ath5k implementation) only one client could connect to the AP using HW encryption and WPA. When a second client connected, the first client was not able to send/receive any more packets. Because of the problems with HW encryption, software encryption was always used in AP mode, which resulted in a high CPU load (and/or low thruput) on embedded devices. Instead of trying to fix the implementation in ath5k it makes more sense to share the code with ath9k. This also enables HW encryption for AP mode again. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath: Copy key cache management functions from ath9k to athBruno Randolf
Copied the key cache management functions from ath9k (common.c and hw.c) to ath/key.c so we can use them from ath5k, later. Minor changes have been made: - renamed ath9k_* to ath_* - replaced ah->caps.keycache_size with common->keymax - removed ATH9K_IS_MIC_ENABLED since it is always true. - the AR_PCU_MIC_NEW_LOC_ENA flag is replaced with (splitmic == 0). Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16ath: Copy cryptographic capability flags into athBruno Randolf
This will be used later in this patch series. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16include/net/cfg80211.h: wiphy_<level> messages use dev_printkJoe Perches
The output becomes: [ 41.261941] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-16Merge branch 'urgent' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent
2010-09-16oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540)Patrick Simmons
This patch adds CPU type detection for the Intel Celeron 540, which is part of the Core 2 family according to Wikipedia; the family and ID pair is absent from the Volume 3B table referenced in the source code comments. I have tested this patch on an Intel Celeron 540 machine reporting itself as Family 6 Model 22, and OProfile runs on the machine without issue. Spec: http://download.intel.com/design/mobile/SPECUPDT/317667.pdf Signed-off-by: Patrick Simmons <linuxrocks123@netscape.net> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: stable@kernel.org Signed-off-by: Robert Richter <robert.richter@amd.com>
2010-09-16ALSA: HDA: Enable internal speaker on Dell M101zDavid Henningsson
BugLink: http://launchpad.net/bugs/640254 In some cases a magic processing coefficient is needed to enable the internal speaker on Dell M101z. According to Realtek, this processing coefficient is only present on ALC269vb. Cc: stable@kernel.org Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-09-15net: enable GRO by default for vlan devicesBrandon Philips
Currently vlan devices don't have GRO by default as none of the Ethernet drivers add NETIF_F_GRO to their vlan_features. As GRO is a software feature add GRO to dev->vlan_features in register_netdevice() and let vlan_dev_init() take care that it gets enabled only when dev->features has NETIF_F_GRO too. Signed-off-by: Brandon Philips <bphilips@suse.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15ehea: Remove a silly returnBreno Leitao
This patch removes the unconditional return in the end of the function check_sqs() Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15sky2: enable GRO by defaultstephen hemminger
The driver has supported GRO for a while, but it was not enabled by default. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15ipv4: ip_ptr cleanupsEric Dumazet
dev->ip_ptr is protected by rtnl and rcu. Yet some places dont use appropriate primitives and/or locking rules. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15phonet: Fix build warning.David S. Miller
net/phonet/socket.c: In function ‘pn_res_seq_show’: net/phonet/socket.c:726: warning: format ‘%02X’ expects type ‘unsigned int’, but argument 3 has type ‘long int’ Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: resource routing documentationRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: list subscribed resources via proc_fsRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: look up the resource routing table when forwardingRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: hook resource routing to userspace via ioctl()'sRémi Denis-Courmont
I wish we could use something cleaner, such as bind(). But that would not work since resource subscription is orthogonal/in addition to the normal object ID allocated via bind(). This is similar to multicasting which also uses ioctl()'s. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: resource routing backendRémi Denis-Courmont
When both destination device and object are nul, Phonet routes the packet according to the resource field. In fact, this is the most common pattern when sending Phonet "request" packets. In this case, the packet is delivered to whichever endpoint (socket) has registered the resource. This adds a new table so that Linux processes can register their Phonet sockets to Phonet resources, if they have adequate privileges. (Namespace support is not implemented at the moment.) Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Phonet: remove dangling pipe if an endpoint is closed earlyRémi Denis-Courmont
Closing a pipe endpoint is not normally allowed by the Phonet pipe, other than as a side after-effect of removing the pipe between two endpoints. But there is no way to prevent Linux userspace processes from being killed or suffering from bugs, so this can still happen. We might as well forcefully close Phonet pipe endpoints then. The cellular modem supports only a few existing pipes at a time. So we really should not leak them. This change instructs the modem to destroy the pipe if either of the pipe's endpoint (Linux socket) is closed too early. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15Merge branch 'dccp' of git://eden-feed.erg.abdn.ac.uk/net-next-2.6David S. Miller
2010-09-15r8169: Handle rxfifo errors on 8168 chipsMatthew Garrett
The Thinkpad X100e seems to have some odd behaviour when the display is powered off - the onboard r8169 starts generating rxfifo overflow errors. The root cause of this has not yet been identified and may well be a hardware design bug on the platform, but r8169 should be more resiliant to this. This patch enables the rxfifo interrupt on 8168 devices and removes the MAC version check in the interrupt handler, and the machine no longer crashes when under network load while the screen turns off. Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15misdn: kill big kernel lockArnd Bergmann
The use of the big kernel lock in misdn is completely bogus, so let's just remove it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15i4l: kill big kernel lockArnd Bergmann
The isdn4linux driver uses the big kernel lock only to serialize access to a few fields in its own modem_info structure. The easiest replacement is a driver-wide mutex. More fine-grained locking would be more appropriate here, but likely harder to implement. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15irda/irnet: use noop_llseekArnd Bergmann
There may be applications trying to seek on the irnet character device, so we should use noop_llseek to avoid returning an error when the default llseek changes to no_llseek. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15sit: get rid of ipip6_lockEric Dumazet
As RTNL is held while doing tunnels inserts and deletes, we can remove ipip6_lock spinlock. My initial RCU conversion was conservative and converted the rwlock to spinlock, with no RTNL requirement. Use appropriate rcu annotations and modern lockdep checks as well. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15gre: get rid of ipgre_lockEric Dumazet
As RTNL is held while doing tunnels inserts and deletes, we can remove ipgre_lock spinlock. My initial RCU conversion was conservative and converted the rwlock to spinlock, with no RTNL requirement. Use appropriate rcu annotations and modern lockdep checks as well. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15ipip: get rid of ipip_lockEric Dumazet
As RTNL is held while doing tunnels inserts and deletes, we can remove ipip_lock spinlock. My initial RCU conversion was conservative and converted the rwlock to spinlock, with no RTNL requirement. Use appropriate rcu annotations and modern lockdep checks as well. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15net: add rtnl_dereference()Eric Dumazet
We sometime want to dereference an rcu protected pointer while holding RTNL. Use a macro to hide all lockdep details. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15drivers/video/via/ioctl.c: prevent reading uninitialized stack memoryDan Rosenberg
The VIAFB_GET_INFO device ioctl allows unprivileged users to read 246 bytes of uninitialized stack memory, because the "reserved" member of the viafb_ioctl_info struct declared on the stack is not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2010-09-15[IA64] Optimize ticket spinlocks in fsys_rt_sigprocmaskPetr Tesarik
Tony's fix (f574c843191728d9407b766a027f779dcd27b272) has a small bug, it incorrectly uses "r3" as a scratch register in the first of the two unlock paths ... it is also inefficient. Optimize the fast path again. Signed-off-by: Petr Tesarik <ptesarik@suse.cz> Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-09-15ethtool: Remove unimplemented flow specification typesBen Hutchings
struct ethtool_rawip4_spec and struct ethtool_ether_spec are neither commented nor used by any driver, so remove them. Adjust padding in the user-visible unions that included these structures. Fix references to struct ethtool_rawip4_spec in ethtool_get_rx_ntuple(), which should use struct ethtool_usrip4_spec. struct ethtool_usrip4_spec cannot hold IPv6 host addresses and there is no separate structure that can, so remove ETH_RX_NFC_IP6 and the reference to it in niu. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15ethtool: Complete kernel-doc comments for RX flow filter and hash controlBen Hutchings
There are now several interfaces within the ethtool API for getting and setting RX flow filtering and hashing behaviour, most of which are poorly documented. This adds kernel-doc comments for all these interfaces, based on the existing incomplete comments and on the initial implementations. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-153c59x: Remove atomic context inside vortex_{set|get}_wolDenis Kirjanov
There is no need to use spinlocks in vortex_{set|get}_wol. This also fixes a bug: [ 254.214993] 3c59x 0000:00:0d.0: PME# enabled [ 254.215021] BUG: sleeping function called from invalid context at kernel/mutex.c:94 [ 254.215030] in_atomic(): 0, irqs_disabled(): 1, pid: 4875, name: ethtool [ 254.215042] Pid: 4875, comm: ethtool Tainted: G W 2.6.36-rc3+ #7 [ 254.215049] Call Trace: [ 254.215050] [] __might_sleep+0xb1/0xb6 [ 254.215050] [] mutex_lock+0x17/0x30 [ 254.215050] [] acpi_enable_wakeup_device_power+0x2b/0xb1 [ 254.215050] [] acpi_pm_device_sleep_wake+0x42/0x7f [ 254.215050] [] acpi_pci_sleep_wake+0x5d/0x63 [ 254.215050] [] platform_pci_sleep_wake+0x1d/0x20 [ 254.215050] [] __pci_enable_wake+0x90/0xd0 [ 254.215050] [] acpi_set_WOL+0x8e/0xf5 [3c59x] [ 254.215050] [] vortex_set_wol+0x4e/0x5e [3c59x] [ 254.215050] [] dev_ethtool+0x1cf/0xb61 [ 254.215050] [] ? debug_mutex_free_waiter+0x45/0x4a [ 254.215050] [] ? __mutex_lock_common+0x204/0x20e [ 254.215050] [] ? __mutex_lock_slowpath+0x12/0x15 [ 254.215050] [] ? mutex_lock+0x23/0x30 [ 254.215050] [] dev_ioctl+0x42c/0x533 [ 254.215050] [] ? _cond_resched+0x8/0x1c [ 254.215050] [] ? lock_page+0x1c/0x30 [ 254.215050] [] ? page_address+0x15/0x7c [ 254.215050] [] ? filemap_fault+0x187/0x2c4 [ 254.215050] [] sock_ioctl+0x1d4/0x1e0 [ 254.215050] [] ? sock_ioctl+0x0/0x1e0 [ 254.215050] [] vfs_ioctl+0x19/0x33 [ 254.215050] [] do_vfs_ioctl+0x424/0x46f [ 254.215050] [] ? selinux_file_ioctl+0x3c/0x40 [ 254.215050] [] sys_ioctl+0x40/0x5a [ 254.215050] [] sysenter_do_call+0x12/0x22 vortex_set_wol protected with a spinlock, but nested acpi_set_WOL acquires a mutex inside atomic context. Ethtool operations are already serialized by RTNL mutex, so it is safe to drop the locks. Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: phy tmp variable roundupMatt Carlson
The tg3's phy routines define temporary variables in many locations within the same routine. This patch unifies all temporary variables into one location. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Dynamically allocate VPD data memoryMatt Carlson
This patch eases stack pressure by dynamically allocating the memory used to temporarily store VPD data. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Use skb_is_gso_v6()Matt Carlson
This patch converts the driver to prefer the skb_is_gso_v6() helper over the explicit inlined version. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Move producer ring struct to tg3_napiMatt Carlson
Now that each NAPI instance has its own producer ring, it no longer makes sense to keep the producer ring structure external. This patch migrates the producer ring struct to tg3_napi and pivots the code to the new implementation. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Clarify semantics of TG3_IRQ_MAX_VECSMatt Carlson
TG3_IRQ_MAX_VECS should be seen as the maximum number of vectors that any device could be expected to use. tp->irq_max represents the maximum number of vectors the current device can use. This patch clarifies the semantics of the code to match the above description. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Unlock 5717 B0+ supportMatt Carlson
This patch adjusts the driver to use the tg3_start_xmit_dma_bug() transmit routine for all revisions of 5717 asic rev devices and then allows the driver to attach to B0 and later devices. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Don't send APE events for NCSI firmwareMatt Carlson
NCSI firmware does not accept APE events. It relies on a "driver state" location in shared memory to tell it what the driver's current state is. This patch pivots the code to use the new driver state scheme. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Disable TSSMatt Carlson
It was recently discovered that enabling TSS can lockup the device. This patch disables the feature until a suitable workaround can be found. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tg3: Fix read DMA FIFO overruns on recent devicesMatt Carlson
Earlier versions of tg3 devices had a problem where the read DMA FIFO could be overrun in certain edge conditions. The fix was to limit the number of rx BDs the hardware would fetch at a time. For later devices (5761, 5784 and later ASIC revs), there is a hardware fix that must be enabled to fix the same problem. This patch adds that hardware fix. There is a gap in the ASIC revision lineage where neither fix is applied. This is intentional as these ASIC revisions are not afflicted by the bug. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15tcp: Prevent overzealous packetization by SWS logic.Alexey Kuznetsov
If peer uses tiny MSS (say, 75 bytes) and similarly tiny advertised window, the SWS logic will packetize to half the MSS unnecessarily. This causes problems with some embedded devices. However for large MSS devices we do want to half-MSS packetize otherwise we never get enough packets into the pipe for things like fast retransmit and recovery to work. Be careful also to handle the case where MSS > window, otherwise we'll never send until the probe timer. Reported-by: ツ Leandro Melo de Sales <leandroal@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-15watchdog: Enable NXP LPC32XX support in Kconfig (resend)Kevin Wells
The NXP LPC32XX processor use the same watchdog as the Philips PNX4008 processor. Signed-off-by: Kevin Wells <wellsk40@gmail.com> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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