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2010-09-16ethtool: Remove unimplemented flow specification typesBen Hutchings1-19/+2
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>
2010-09-16ethtool: Complete kernel-doc comments for RX flow filter and hash controlBen Hutchings1-16/+113
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>
2010-09-10Merge branch 'master' of ↵David S. Miller34-102/+368
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/mac80211/main.c
2010-09-10Merge branch 'vhost-net' of ↵David S. Miller1-1/+10
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2010-09-10Merge branch 'for-davem' of git://oss.oracle.com/git/agrover/linux-2.6David S. Miller2-41/+66
2010-09-09RDS: Remove dead struct from rds.hAndy Grover1-8/+0
flows are an obsolete date type. Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09RDS: rds.h: Replace u_int[size]_t with uint[size]_tAndy Grover1-29/+29
Replace e.g. u_int32_t types with the more common uint32_t. Reported-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09RDS: Add rds.h to exported headers listAndy Grover2-6/+7
Also, a number of changes were made based on the assumption that rds.h wasn't exported, so roll these back. Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09RDS: Implement masked atomic operationsAndy Grover1-0/+12
Add two CMSGs for masked versions of cswp and fadd. args struct modified to use a union for different atomic op type's arguments. Change IB to do masked atomic ops. Atomic op type in rds_message similarly unionized. Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09RDS: Add flag for silent ops. Do atomic op before RDMAAndy Grover1-0/+1
Add a flag to the API so users can indicate they want silent operations. This is needed because silent ops cannot be used with USE_ONCE MRs, so we can't just assume silent. Also, change send_xmit to do atomic op before rdma op if both are present, and centralize the hairy logic to determine if we want to attempt silent, or not. Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09RDS: Implement atomic operationsAndy Grover1-0/+19
Implement a CMSG-based interface to do FADD and CSWP ops. Alter send routines to handle atomic ops. Add atomic counters to stats. Add xmit_atomic() to struct rds_transport Inline rds_ib_send_unmap_rdma into unmap_rm Signed-off-by: Andy Grover <andy.grover@oracle.com>
2010-09-09net: introduce rcu_dereference_rtnlEric Dumazet1-0/+11
We use rcu_dereference_check(p, rcu_read_lock_held() || lockdep_rtnl_is_held()) several times in network stack. More usages to come too, so its time to create a helper. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-08Merge branch 'for-linus' of ↵Linus Torvalds2-2/+5
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: bus speed strings should be const PCI hotplug: Fix build with CONFIG_ACPI unset PCI: PCIe: Remove the port driver module exit routine PCI: PCIe: Move PCIe PME code to the pcie directory PCI: PCIe: Disable PCIe port services during port initialization PCI: PCIe: Ask BIOS for control of all native services at once ACPI/PCI: Negotiate _OSC control bits before requesting them ACPI/PCI: Do not preserve _OSC control bits returned by a query ACPI/PCI: Make acpi_pci_query_osc() return control bits ACPI/PCI: Reorder checks in acpi_pci_osc_control_set() PCI: PCIe: Introduce commad line switch for disabling port services PCI: PCIe AER: Introduce pci_aer_available() x86/PCI: only define pci_domain_nr if PCI and PCI_DOMAINS are set PCI: provide stub pci_domain_nr function for !CONFIG_PCI configs
2010-09-08Merge branch 'merge' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/pseries: Correct rtas_data_buf locking in dlpar code powerpc/85xx: Add P1021 PCI IDs and quirks arch/powerpc/sysdev/qe_lib/qe.c: Add of_node_put to avoid memory leak arch/powerpc/platforms/83xx/mpc837x_mds.c: Add missing iounmap fsl_rio: fix compile errors powerpc/85xx: Fix compile issue with p1022_ds due to lmb rename to memblock powerpc/85xx: Fix compilation of mpc85xx_mds.c powerpc: Don't use kernel stack with translation off powerpc/perf_event: Reduce latency of calling perf_event_do_pending powerpc/kexec: Adds correct calling convention for kexec purgatory
2010-09-08Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: fix a mismatch between code and comment percpu: fix a memory leak in pcpu_extend_area_map() percpu: add __percpu notations to UP allocator percpu: handle __percpu notations in UP accessors
2010-09-08Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds1-7/+11
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: use zalloc_cpumask_var() for gcwq->mayday_mask workqueue: fix GCWQ_DISASSOCIATED initialization workqueue: Add a workqueue chapter to the tracepoint docbook workqueue: fix cwq->nr_active underflow workqueue: improve destroy_workqueue() debuggability workqueue: mark lock acquisition on worker_maybe_bind_and_lock() workqueue: annotate lock context change workqueue: free rescuer on destroy_workqueue
2010-09-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds2-3/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty: fix tty_line must not be equal to number of allocated tty pointers in tty driver serial: bfin_sport_uart: restore transmit frame sync fix serial: fix port type conflict between NS16550A & U6_16550A MAINTAINERS: orphan isicom vt: Fix console corruption on driver hand-over.
2010-09-07agp/intel: Fix cache control for SandybridgeZhenyu Wang1-0/+20
Sandybridge GTT has new cache control bits in PTE, which controls graphics page cache in LLC or LLC/MLC, so we need to extend the mask function to respect the new bits. And set cache control to always LLC only by default on Gen6. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-05cgroups: fix API thinkoMichael S. Tsirkin1-1/+10
cgroup_attach_task_current_cg API that have upstream is backwards: we really need an API to attach to the cgroups from another process A to the current one. In our case (vhost), a priveledged user wants to attach it's task to cgroups from a less priveledged one, the API makes us run it in the other task's context, and this fails. So let's make the API generic and just pass in 'from' and 'to' tasks. Add an inline wrapper for cgroup_attach_task_current_cg to avoid breaking bisect. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com>
2010-09-04serial: fix port type conflict between NS16550A & U6_16550APhilippe Langlais2-3/+3
Bug seen by Dr. David Alan Gilbert with sparse Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-03drivers/net: avoid some skb->ip_summed initializationsEric Dumazet1-0/+15
fresh skbs have ip_summed set to CHECKSUM_NONE (0) We can avoid setting again skb->ip_summed to CHECKSUM_NONE in drivers. Introduce skb_checksum_none_assert() helper so that we keep this assertion documented in driver sources. Change most occurrences of : skb->ip_summed = CHECKSUM_NONE; by : skb_checksum_none_assert(skb); Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-02Merge branch 'for-davem' of ↵David S. Miller2-2/+16
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2010-09-02Merge branch 'master' of ↵John W. Linville2-2/+16
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
2010-09-02net: Improve comments in include/linux/phy.hPeter Meerwald1-2/+2
Correct state range of PHY bus addresses (i.e. 0-31) in comment, make spelling of PHY consistent in comments. Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-01skge: add GRO supportEric Dumazet1-0/+1
- napi_gro_flush() is exported from net/core/dev.c, to avoid an irq_save/irq_restore in the packet receive path. - use napi_gro_receive() instead of netif_receive_skb() - use napi_gro_flush() before calling __napi_complete() - turn on NETIF_F_GRO by default - Tested on a Marvell 88E8001 Gigabit NIC Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-01powerpc/85xx: Add P1021 PCI IDs and quirksAnton Vorontsov1-0/+2
This is needed for proper PCI-E support on P1021 SoCs. Signed-off-by: Anton Vorontsov <avorontsov@mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-09-01net: add a comment on netdev->last_rxEric Dumazet1-1/+8
As some driver authors seem to reintroduce dev->last_rx use, add a comment to strongly discourage this. Since commit 6cf3f41e6c0 (bonding, net: Move last_rx update into bonding recv logic), network drivers dont need to update last_rx themselves, unless they use this field to implement a timeout. Not updating last_rx helps not dirtying a cache line, improving performance in SMP. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-31tcp: Add TCP_USER_TIMEOUT socket option.Jerry Chu1-0/+1
This patch provides a "user timeout" support as described in RFC793. The socket option is also needed for the the local half of RFC5482 "TCP User Timeout Option". TCP_USER_TIMEOUT is a TCP level socket option that takes an unsigned int, when > 0, to specify the maximum amount of time in ms that transmitted data may remain unacknowledged before TCP will forcefully close the corresponding connection and return ETIMEDOUT to the application. If 0 is given, TCP will continue to use the system default. Increasing the user timeouts allows a TCP connection to survive extended periods without end-to-end connectivity. Decreasing the user timeouts allows applications to "fail fast" if so desired. Otherwise it may take upto 20 minutes with the current system defaults in a normal WAN environment. The socket option can be made during any state of a TCP connection, but is only effective during the synchronized states of a connection (ESTABLISHED, FIN-WAIT-1, FIN-WAIT-2, CLOSE-WAIT, CLOSING, or LAST-ACK). Moreover, when used with the TCP keepalive (SO_KEEPALIVE) option, TCP_USER_TIMEOUT will overtake keepalive to determine when to close a connection due to keepalive failure. The option does not change in anyway when TCP retransmits a packet, nor when a keepalive probe will be sent. This option, like many others, will be inherited by an acceptor from its listener. Signed-off-by: H.K. Jerry Chu <hkchu@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-30net: fix datapath typoSimon Horman1-1/+1
Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-29Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds2-10/+4
* 'for-linus' of git://git.infradead.org/users/eparis/notify: fsnotify: drop two useless bools in the fnsotify main loop fsnotify: fix list walk order fanotify: Return EPERM when a process is not privileged fanotify: resize pid and reorder structure fanotify: drop duplicate pr_debug statement fanotify: flush outstanding perm requests on group destroy fsnotify: fix ignored mask handling between inode and vfsmount marks fanotify: add MAINTAINERS entry fsnotify: reset used_inode and used_vfsmount on each pass fanotify: do not dereference inode_mark when it is unset
2010-08-29Merge branch 'drm-fixes' of ↵Linus Torvalds1-2/+13
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARB drm/radeon/kms: add missing scratch update in dp_detect drm/modes: Fix CVT-R modeline generation drm: fix regression in drm locking since BKL removal. drm/radeon/kms: remove stray radeon_i2c_destroy drm: mm: fix range restricted allocations drm/nouveau: drop drm_global_mutex before sleeping in submission path drm: export drm_global_mutex for drivers to use drm/nv20: Don't use pushbuf calls on the original nv20. drm/nouveau: Fix TMDS on some DCB1.5 boards. drm/nouveau: Fix backlight control on PPC machines with an internal TMDS panel. drm/nv30: Apply modesetting to the correct slave encoder drm/nouveau: Use a helper function to match PCI device/subsystem IDs. drm/nv50: add dcb type 14 to enum to prevent compiler complaint
2010-08-29NOMMU: Stub out vm_get_page_prot() if there's no MMUDavid Howells1-0/+8
Stub out vm_get_page_prot() if there's no MMU. This was added by commit 804af2cf6e7a ("[AGPGART] remove private page protection map") and is used in commit c07fbfd17e61 ("fbmem: VM_IO set, but not propagated") in the fbmem video driver, but the function doesn't exist on NOMMU, resulting in an undefined symbol at link time. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-29Merge branch 'for-linus' of ↵Linus Torvalds5-11/+12
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: pxa27x_keypad - remove input_free_device() in pxa27x_keypad_remove() Input: mousedev - fix regression of inverting axes Input: uinput - add devname alias to allow module on-demand load Input: hil_kbd - fix compile error USB: drop tty argument from usb_serial_handle_sysrq_char() Input: sysrq - drop tty argument form handle_sysrq() Input: sysrq - drop tty argument from sysrq ops handlers
2010-08-28fanotify: resize pid and reorder structureTvrtko Ursulin1-3/+3
resize pid and reorder the fanotify_event_metadata so it is naturally aligned and we can work towards dropping the packed attributed Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@sophos.com> Cc: Andreas Dilger <adilger@dilger.ca> Signed-off-by: Eric Paris <eparis@redhat.com>
2010-08-27cfg80211: allow changing port control protocolJohannes Berg1-1/+15
Some vendor specified mechanisms for 802.1X-style functionality use a different protocol than EAP (even if EAP is vendor-extensible). Allow setting the ethertype for the protocol when a driver has support for this. The default if unspecified is EAP, of course. Note: This is suitable only for station mode, not for AP implementation. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-27gro: __napi_gro_receive() optimizationsEric Dumazet1-1/+17
compare_ether_header() can have a special implementation on 64 bit arches if CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is defined. __napi_gro_receive() and vlan_gro_common() can avoid a conditional branch to perform device match. On x86_64, __napi_gro_receive() has now 38 instructions instead of 53 As gcc-4.4.3 still choose to not inline it, add inline keyword to this performance critical function. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-27vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARBChris Wilson1-2/+13
Fix link failure without the vga arbitrator. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@redhat.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-26stmmac: make ioaddr 'void __iomem *' rather than unsigned longGiuseppe CAVALLARO1-1/+1
This avoids unnecessary casting and adds the ioaddr in the private structure. This patch also removes many warning when compile the driver. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25Merge branch 'master' of ↵John W. Linville3-30/+123
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/libertas/if_sdio.c
2010-08-25wl12xx: change contact person for the include fileKalle Valo1-1/+1
Luciano should be the contact person for the include/linux/spi/wl12xx.h file. Signed-off-by: Kalle Valo <kvalo@adurom.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-25workqueue: fix cwq->nr_active underflowTejun Heo1-7/+9
cwq->nr_active is used to keep track of how many work items are active for the cpu workqueue, where 'active' is defined as either pending on global worklist or executing. This is used to implement the max_active limit and workqueue freezing. If a work item is queued after nr_active has already reached max_active, the work item doesn't increment nr_active and is put on the delayed queue and gets activated later as previous active work items retire. try_to_grab_pending() which is used in the cancellation path unconditionally decremented nr_active whether the work item being cancelled is currently active or delayed, so cancelling a delayed work item makes nr_active underflow. This breaks max_active enforcement and triggers BUG_ON() in destroy_workqueue() later on. This patch fixes this bug by adding a flag WORK_STRUCT_DELAYED, which is set while a work item in on the delayed list and making try_to_grab_pending() decrement nr_active iff the work item is currently active. The addition of the flag enlarges cwq alignment to 256 bytes which is getting a bit too large. It's scheduled to be reduced back to 128 bytes by merging WORK_STRUCT_PENDING and WORK_STRUCT_CWQ in the next devel cycle. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Johannes Berg <johannes@sipsolutions.net>
2010-08-25mlx4_en: UDP RSS supportYevgeny Petrilin1-0/+1
Adding capability for RSS for UDP traffic, hashing is done based on IP addresses and UDP port number. The support depends on HW/FW capabilities. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25mlx4_en: Fixing report in Ethtool get_settingsYevgeny Petrilin1-0/+4
The report now based on query from FW, giving the correct tranciever type and link speed. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25mlx4_en: Added self diagnostics test implementationYevgeny Petrilin2-0/+3
The selftest includes 5 features: 1. Interrupt test: Executing commands and receiving command completion on all our interrupt vectors. 2. Link test: Verifying we are connected to valid link partner. 3. Speed test: Check that we negotiated link speed correctly. 4. Registers test: Activate HW health check command. 5. Loopback test: Send a packet on loopback interface and catch it on RX side. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25tc: add meta match on receive hashStephen Hemminger1-0/+1
Trivial extension to existing meta data match rules to allow matching on skb receive hash value. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25include/linux/if_ether.h: Remove unused #define MAC_FMTJoe Perches1-2/+0
Last use was removed, so remove the #define. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-25ACPI/PCI: Negotiate _OSC control bits before requesting them Rafael J. Wysocki1-2/+2
It is possible that the BIOS will not grant control of all _OSC features requested via acpi_pci_osc_control_set(), so it is recommended to negotiate the final set of _OSC features with the query flag set before calling _OSC to request control of these features. To implement it, rework acpi_pci_osc_control_set() so that the caller can specify the mask of _OSC control bits to negotiate and the mask of _OSC control bits that are absolutely necessary to it. Then, acpi_pci_osc_control_set() will run _OSC queries in a loop until the mask of _OSC control bits returned by the BIOS is equal to the mask passed to it. Also, before running the _OSC request acpi_pci_osc_control_set() will check if the caller's required control bits are present in the final mask. Using this mechanism we will be able to avoid situations in which the BIOS doesn't grant control of certain _OSC features, because they depend on some other _OSC features that have not been requested. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-08-25nl80211: some documentation fixesJohannes Berg1-11/+46
The nl80211 documentation is currently never generated, so problems have accumulated. Fix most of the trivial ones. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-25b43: N-PHY: Implement MAC PHY clock setGábor Stefanik1-0/+1
Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-25cfg80211/mac80211: extensible frame processingJohannes Berg1-19/+74
Allow userspace to register for more than just action frames by giving the frame subtype, and make it possible to use this in various modes as well. With some tweaks and some added functionality this will, in the future, also be usable in AP mode and be able to replace the cooked monitor interface currently used in that case. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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