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2009-05-17cls_cgroup: remove unneeded cgroup_lockLi Zefan
We can remove this lock here, since we are in cgroup write handler and thus the cgrp is guaranteed to be valid, and no lock is needed when writing a u32 variable. Signed-off-by: Li Zefan <lizf@cn.fujitsuc.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-17net: remove needless (now buggy) & from dev->dev_addrJiri Pirko
Patch fixes issues with dev->dev_addr changing from array to pointer. Hopefully there are no others. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-17ipv4: remove an unused parameter from configure method of fib_rules_ops.Rami Rosen
Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09tun: add tun_flags, owner, group attributes in sysfsDavid Woodhouse
This patch adds three attribute files in /sys/class/net/$dev/ for tun devices; allowing userspace to obtain the information which TUNGETIFF offers, and more, but without having to attach to the device in question (which may not be possible if it's in use). It also fixes a bug which has been present in the TUNGETIFF ioctl since its inception, where it would never set IFF_TUN or IFF_TAP according to the device type. (Look carefully at the code which I remove from tun_get_iff() and how the new tun_flags() helper is subtly different). Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09Remove duplicate slow protocol define in bond_3ad.hRichard Genoud
ETH_P_SLOW is already defined in include/linux/if_ether.h. There's no need to define BOND_ETH_P_LACPDU in drivers/net/bonding/bond_3ad.h Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09net: check retval of dev_addr_init()Jiri Pirko
Add missed checking of dev_addr_init return value in alloc_netdev_mq. Signed-off-by: Jiri Pirko <jpirko@redhat.com> net/core/dev.c | 15 ++++++++++++--- 1 files changed, 12 insertions(+), 3 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09decnet: Use data ready call back, rather than hand coding itSteven Whitehouse
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09netxen: trivial register access cleanupDhananjay Phadke
Remove unnecessary length parameter since it's always 4 bytes. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09netxen: disable msi-x for NC512m adapterDhananjay Phadke
This board doesn't suppot msi-x well due to msi-x table mapping (hardware) issue. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09netxen: fix irq tear down and msix leak.Dhananjay Phadke
o Fix the order of irq and hardware context teardown. Also synchronize the interrupt in dev close() before releasing tx buffers. o Fix possible msi-x vector leak if available vectors are less than requested. o Request multiple msix vectors only if hardware supports multiple rx queues. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-09netxen: cache msi register offsetDhananjay Phadke
Store msi target status register offset in adapter struct. This avoids contention on msi_tgt_status table from interrupt hadlers of different pci function. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-08Network Drop Monitor: Fix skb_kill_datagramJohn Dykstra
Commit ead2ceb0ec9f85cff19c43b5cdb2f8a054484431 ("Network Drop Monitor: Adding kfree_skb_clean for non-drops and modifying end-of-line points for skbs") established new conventions for identifying dropped packets. Align skb_kill_datagram() with these conventions so that packets that get dropped just before the copy to userspace are properly tracked. Signed-off-by: John Dykstra <john.dykstra1@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-08bnx2x: do not return negative number of received packagesStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-08bnx2x: free workqueue when driver fail to registerStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2009-05-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: include/net/tcp.h
2009-05-07net: remove stale reference to fastroute from Kconfig help textAshish Karkare
Signed-off-by: Ashish Karkare <akarkare@marvell.com> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07smsc911x: fix calculation of res_size for ioremapMatthias Ludwig
fix size of remaped iomem, which is 1 byte to small (e.g. mappes only 0xff bytes instead of 0x100) Signed-off-by: Matthias Ludwig <mludwig@ultratronik.de> Acked-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07e1000/e1000e/igb/ixgb: don't txhang after link downJesse Brandeburg
after the recent changes to wired drivers to use only netif_carrier_off the driver can have outstanding tx work to complete that will never complete once link is down. Since the intel hardware will hold this tx work forever, the driver notices a tx timeout condition internally and might try to instigate printk and reset of the part with a netif_stop_queue, which doesn't work because link is down. Don't bother arming to tx hang detection when link is down. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07ixgbe: Typecase '1' for 64 bit shiftNelson, Shannon
Make sure we don't get any sign-extend issues when we shift a 1 into bit 31. Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07ixgbe: fix failing to log fan failuresDon Skidmore
We weren't logging the 82598AT fan failure if it occurred before (ixgbe_open) as we hadn't sent up to catch the interrupt that event caused. This patch checks for this failure in: ixgbe_probe - So we can log the failure asap. We check right after we set up the adapter->flags, which is when we know that we have a fan. ixgbe_up_complete - To catch failures that may have happened between probe and when we set up the interrupt that would normally detect the fan failure. To enable all of this we need to initialize the adapter flag with IXGBE_FLAG_FAN_FAIL_CAPABLE when the NIC contained a fan. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07ixgbe: Enable L2 header split in 82599Yi Zou
This enables L2 header split when packet split is enabled for 82599. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07ixgbe: set queue0 for srrctl configuration correctly for DCBAlexander Duyck
The current configuration is not setting queue 0 correctly for DCB configurations. As a result unconfigured queues are being used to setup the SRRCTL register rx buffer len sizes. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07ixgbe: always set header length in SRRCTLAlexander Duyck
As per the documentation for 82599 in order to support hardware RSC the header size must be set. This is only currently done for packet split mode. This patch sets the header buffer length for all modes. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07tcp: tcp_prequeue() can use keyed wakeupsEric Dumazet
We can avoid waking up tasks not interested in receive notifications, using wake_up_interruptible_poll() instead of wake_up_interruptible() Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-07tcp: tcp_prequeue() cleanupEric Dumazet
Small cleanup patch to reduce line lengths, before a change in tcp_prequeue(). Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06net: Add missing rculist.h include to netdevice.hDavid S. Miller
Otherwise list_for_each_entry_rcu() et al. aren't visible and we get build failures in some configurations. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06net: Make inet_twsk_put similar to sock_putArnaldo Carvalho de Melo
By separating the freeing code from the refcounting decrementing. Probably reducing icache pressure when we still have reference counts to go. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06net: update skb_recycle_check() for hardware timestamping changesLennert Buytenhek
Commit ac45f602ee3d1b6f326f68bc0c2591ceebf05ba4 ("net: infrastructure for hardware time stamping") added two skb initialization actions to __alloc_skb(), which need to be added to skb_recycle_check() as well. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06bnx2: Fix panic in bnx2_poll_work().Michael Chan
Add barrier() to bnx2_get_hw_{tx|rx}_cons() to fix this issue: http://bugzilla.kernel.org/show_bug.cgi?id=12698 This issue was reported by multiple i386 users. Without barrier(), the compiled code looks like the following where %eax contains the address of the tx_cons or rx_cons in the DMA status block. The status block contents can change between the cmpb and the movzwl instruction. The driver would crash if the value was not 0xff during the cmpb instruction, but changed to 0xff during the movzwl instruction. 6828: 80 38 ff cmpb $0xff,(%eax) 682b: 0f b7 10 movzwl (%eax),%edx With the added barrier(), the compiled code now looks correct: 683d: 0f b7 10 movzwl (%eax),%edx 6840: 0f b6 c2 movzbl %dl,%eax 6843: 3d ff 00 00 00 cmp $0xff,%eax Thanks to Pascal de Bruijn <pmjdebruijn@pcode.nl> for reporting the problem and Holger Noefer <hnoefer@pironet-ndh.com> for patiently testing test patches for us. Also updated version to 2.0.1. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06net-sched: fix bfifo default limitPatrick McHardy
When no limit is given, the bfifo uses a default of tx_queue_len * mtu. Packets handled by qdiscs include the link layer header, so this should be taken into account, similar to what other qdiscs do. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06igb: resolve panic on shutdown when SR-IOV is enabledAlexander Duyck
The setup_rctl call was making a call into the ring structure after it had been freed. This was causing a panic on shutdown. This call wasn't necessary since it is possible to get the needed index from adapter->vfs_allocated_count. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06Merge branch 'linux-2.6.30.y' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/inaky/wimax
2009-05-06ixgbe: Proposed PARCH PCIE legacy I/O port free intel 10Gb NIC drivergouji-new
Traditionally Intel based NIC drivers request I/O port even though it doesn't need that really. Intel PCIE 10Gb driver (ixgbe) also requests I/O port but it doesn't need it either. This is a little inconvenient situation because sometimes we have to handle those cards on the slots where any I/O space is not attached. So we made pach which makes ixgbe driver legacy I/O port free. Signed-off-by: Masayuki Gouji <gouji.masayuki@jp.fujitsu.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06ixgbe: Return PCI_ERS_RESULT_DISCONNECT when bus is disabledBreno Leitao
According to the "PCI Error Recovery" document, if after a recovery, the bus is disabled, the error_detected function should return PCI_ERS_RESULT_DISCONNECT. Actually ixgbe error_detected function is always returning PCI_ERS_RESULT_NEED_RESET, even if the bus is in failure. This patch just check if the bus is disabled and then returns PCI_ERS_RESULT_DISCONNET. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06ixgbe: remove ixgbe_napi_add/del_all referencesAlexander Duyck
There were still some references to napi_add/del_all left after the dynamic vector allocation patch. This patch removes those references since the ixgbe_napi_add/del_all calls are no longer needed as the napi struct is added when the vector is created, and deleted when the vector is freed. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06ixgbe: skb_record_rx_queue should record rx queue instead of vectorAlexander Duyck
currently ixgbe_receive_skb is passing the vector index to skb_record_rx_queue instead of the queue index. This patch changes that so that the ring index is passed instead. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06ixgbe: make q_vectors dynamic to reduce netdev sizeAlexander Duyck
Currently the q_vectors are being allocated statically inside of the adapter struct. This increases the overall size of the adapter struct when we can easily allocate the vectors dynamically. This patch changes that behavior so that the q_vectors are allocated dynamically and the napi structures are automatically allocated inside of the q_vectors as needed. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06pci: update 82576 sr-iov quirk with latest device IDsAlexander Duyck
The current quirk doesn't include all 82576 device IDs. This update resolves that. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06igb/igbvf: set rx csum always enabled in hw, disable via swAlexander Duyck
An issue was found in which rx checksum could not be enabled without resetting the interface. The issue was the hardware enable was not being done via ethtool. To resolve this issue and prevent conflicts with VF configuration we will leave the feature always enabled in hardware, and then in software we will choose to ignore the results via a sw flag. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06igbvf: cleanup flags and allow for rx checksum to be disabledAlexander Duyck
This patch cleans up a number of unused or unneeded feature flags. As a result of these changes the user should now be able to enable or disable rx checksumming via ethtool. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06mv643xx_eth: only unmask RX and TX_END interrupts for available queuesSaeed Bishara
It is not a good idea to blindly unmask the RX and TX_END interrupts for all eight queues on all mv643xx_eth hardware, since some variations of the hardware have less than eight transmit/receive queues, and the RX/TX_END interrupts for the queues they don't have can be in use by other interrupt sources. Signed-off-by: Saeed Bishara <saeed@marvell.com> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06mv643xx_eth: rework receive skb cache alignmentLennert Buytenhek
On the platforms that mv643xx_eth is used on, the manual skb->data alignment logic in mv643xx_eth can be simplified, as the only case we need to handle is where NET_SKB_PAD is not a multiple of the cache line size. If this is the case, the extra padding we need can be computed at compile time, while if NET_SKB_PAD _is_ a multiple of the cache line size, the code can be optimised out entirely. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06mv643xx_eth: minor register definition cleanupLennert Buytenhek
Move the definitions for the SDMA and port serial configuration register values to where all the other register definitions live, and expand the shifts to 32 bit constants. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06mv643xx_eth: count handling a link event as one unit of napi workLennert Buytenhek
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06mv643xx_eth: fix variable shadowing sparse warningLennert Buytenhek
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06netxen: fix bonding supportDhananjay Phadke
o Pause traffic during mac addr change. o Enable setting mac address for NX3031. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06netxen: fix mac list managementDhananjay Phadke
o use standard linked list api for mac addr list management in NX3031. o release mac addresses in firmware in dev close(). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06netxen: fix race in tx ring acccessDhananjay Phadke
Fix the distance check between tx ring producer and consumer that could lead to tx ring wrap around. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-06wimax: oops: wimax_dev_add() is the only one that can initialize the stateInaky Perez-Gonzalez
When a new wimax_dev is created, it's state has to be __WIMAX_ST_NULL until wimax_dev_add() is succesfully called. This allows calls into the stack that happen before said time to be rejected. Until now, the state was being set (by mistake) to UNINITIALIZED, which was allowing calls such as wimax_report_rfkill_hw() to go through even when a call to wimax_dev_add() had failed; that was causing an oops when touching uninitialized data. This situation is normal when the device starts reporting state before the whole initialization has been completed. It just has to be dealt with. Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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