Eric Lee / smarc-fsl-linux-kernel

10 Jan, 2012

3 commits

  • 38e5781bb   Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net ... Browse Code »

    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
    igmp: Avoid zero delay when receiving odd mixture of IGMP queries
    netdev: make net_device_ops const
    bcm63xx: make ethtool_ops const
    usbnet: make ethtool_ops const
    net: Fix build with INET disabled.
    net: introduce netif_addr_lock_nested() and call if when appropriate
    net: correct lock name in dev_[uc/mc]_sync documentations.
    net: sk_update_clone is only used in net/core/sock.c
    8139cp: fix missing napi_gro_flush.
    pktgen: set correct max and min in pktgen_setup_inject()
    smsc911x: Unconditionally include linux/smscphy.h in smsc911x.h
    asix: fix infinite loop in rx_fixup()
    net: Default UDP and UNIX diag to 'n'.
    r6040: fix typo in use of MCR0 register bits
    net: fix sock_clone reference mismatch with tcp memcontrol

    Linus Torvalds
     
  • 6b3da11b3   Merge branch 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu ... Browse Code »

    * 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
    percpu: Remove irqsafe_cpu_xxx variants

    Fix up conflict in arch/x86/include/asm/percpu.h due to clash with
    cebef5beed3d ("x86: Fix and improve percpu_cmpxchg{8,16}b_double()")
    which edited the (now removed) irqsafe_cpu_cmpxchg*_double code.

    Linus Torvalds
     
  • 2429f7ac2   net: introduce netif_addr_lock_nested() and call if when appropriate ... Browse Code »

    dev_uc_sync() and dev_mc_sync() are acquiring netif_addr_lock for
    destination device of synchronization. Since netif_addr_lock is
    already held at the time for source device, this triggers lockdep
    deadlock warning.

    There's no way this deadlock can happen so use spin_lock_nested() to
    silence the warning.

    Signed-off-by: Jiri Pirko
    Signed-off-by: David S. Miller

    Jiri Pirko
     

06 Jan, 2012

1 commit

  • 68bad94ed   netdev: FCoE: Add new ndo_get_fcoe_hbainfo() call ... Browse Code »

    This adds a new ndo_get_fcoe_hbainfo() call in
    net_device_ops for FCoE protocol stack.

    If supported by the underlying device, the FCoE protocol
    stack will call this to get device specific information
    from the underlying device.
    This information will then be utilized by the FCoE protocol
    stack to register Fiber Channel HBA attributes with the
    Fiber Channel Management Service via Fabric Device
    Management Interface (FDMI) as per the T11 FC-GS
    specification.

    Changes in v2:
    - As per comments from David Miller aligning the parameters
    of the ndo_get_fcoe_hbainfo()

    Signed-off-by: Neerav Parikh
    Tested-by: Ross Brattain
    Signed-off-by: Jeff Kirsher
    Signed-off-by: David S. Miller

    Neerav Parikh
     

25 Dec, 2011

1 commit

  • 60b778ce5   rfs: better sizing of dev_flow_table ... Browse Code »

    Aim of this patch is to provide full range of rps_flow_cnt on 64bit arches.

    Theorical limit on number of flows is 2^32

    Fix some buggy RPS/RFS macros as well.

    Signed-off-by: Eric Dumazet
    CC: Tom Herbert
    CC: Xi Wang
    CC: Laurent Chavey
    Signed-off-by: David S. Miller

    Eric Dumazet
     

23 Dec, 2011

1 commit

  • 933393f58   percpu: Remove irqsafe_cpu_xxx variants ... Browse Code »
    43

    We simply say that regular this_cpu use must be safe regardless of
    preemption and interrupt state. That has no material change for x86
    and s390 implementations of this_cpu operations. However, arches that
    do not provide their own implementation for this_cpu operations will
    now get code generated that disables interrupts instead of preemption.

    -tj: This is part of on-going percpu API cleanup. For detailed
    discussion of the subject, please refer to the following thread.

    http://thread.gmane.org/gmane.linux.kernel/1222078

    Signed-off-by: Christoph Lameter
    Signed-off-by: Tejun Heo
    LKML-Reference:

    Christoph Lameter
     

20 Dec, 2011

1 commit

14 Dec, 2011

1 commit

09 Dec, 2011

2 commits

  • 5b9ea6e02   vlan: introduce vid list with reference counting ... Browse Code »

    This allows to keep track of vids needed to be in rx vlan filters of
    devices even if they are used in bond/team etc.

    vlan_info as well as vlan_group previously was, is allocated when first
    vid is added and dealocated whan last vid is deleted.

    vlan_group definition is moved to private header.

    Signed-off-by: Jiri Pirko
    Signed-off-by: David S. Miller

    Jiri Pirko
     
  • 8e586137e   net: make vlan ndo_vlan_rx_[add/kill]_vid return error value ... Browse Code »

    Let caller know the result of adding/removing vlan id to/from vlan
    filter.

    In some drivers I make those functions to just return 0. But in those
    where there is able to see if hw setup went correctly, return value is
    set appropriately.

    Signed-off-by: Jiri Pirko
    Signed-off-by: David S. Miller

    Jiri Pirko
     

03 Dec, 2011

1 commit

02 Dec, 2011

1 commit

01 Dec, 2011

2 commits

30 Nov, 2011

3 commits

  • 114cf5802   bql: Byte queue limits ... Browse Code »

    Networking stack support for byte queue limits, uses dynamic queue
    limits library. Byte queue limits are maintained per transmit queue,
    and a dql structure has been added to netdev_queue structure for this
    purpose.

    Configuration of bql is in the tx- sysfs directory for the queue
    under the byte_queue_limits directory. Configuration includes:
    limit_min, bql minimum limit
    limit_max, bql maximum limit
    hold_time, bql slack hold time

    Also under the directory are:
    limit, current byte limit
    inflight, current number of bytes on the queue

    Signed-off-by: Tom Herbert
    Acked-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Tom Herbert
     
  • c5d67bd78   net: Add netdev interfaces for recording sends/comp ... Browse Code »

    Add interfaces for drivers to call for recording number of packets and
    bytes at send time and transmit completion. Also, added a function to
    "reset" a queue. These will be used by Byte Queue Limits.

    Signed-off-by: Tom Herbert
    Acked-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Tom Herbert
     
  • 734664982   net: Add queue state xoff flag for stack ... Browse Code »

    Create separate queue state flags so that either the stack or drivers
    can turn on XOFF. Added a set of functions used in the stack to determine
    if a queue is really stopped (either by stack or driver)

    Signed-off-by: Tom Herbert
    Acked-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Tom Herbert
     

29 Nov, 2011

1 commit

  • 5cac98dd0   net: Fix corruption in /proc/*/net/dev_mcast ... Browse Code »
    43

    I just hit this during my testing. Isn't there another bug lurking?

    BUG kmalloc-8: Redzone overwritten

    INFO: 0xc0000000de9dec48-0xc0000000de9dec4b. First byte 0x0 instead of 0xcc
    INFO: Allocated in .__seq_open_private+0x30/0xa0 age=0 cpu=5 pid=3896
    .__kmalloc+0x1e0/0x2d0
    .__seq_open_private+0x30/0xa0
    .seq_open_net+0x60/0xe0
    .dev_mc_seq_open+0x4c/0x70
    .proc_reg_open+0xd8/0x260
    .__dentry_open.clone.11+0x2b8/0x400
    .do_last+0xf4/0x950
    .path_openat+0xf8/0x480
    .do_filp_open+0x48/0xc0
    .do_sys_open+0x140/0x250
    syscall_exit+0x0/0x40

    dev_mc_seq_ops uses dev_seq_start/next/stop but only allocates
    sizeof(struct seq_net_private) of private data, whereas it expects
    sizeof(struct dev_iter_state):

    struct dev_iter_state {
    struct seq_net_private p;
    unsigned int pos; /* bucket << BUCKET_SPACE + offset */
    };

    Create dev_seq_open_ops and use it so we don't have to expose
    struct dev_iter_state.

    [ Problem added by commit f04565ddf52e4 (dev: use name hash for
    dev_seq_ops) -Eric ]

    Signed-off-by: Anton Blanchard
    Acked-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Anton Blanchard
     

27 Nov, 2011

3 commits

23 Nov, 2011

1 commit

  • 5bc1421e3   net: add network priority cgroup infrastructure (v4) ... Browse Code »

    This patch adds in the infrastructure code to create the network priority
    cgroup. The cgroup, in addition to the standard processes file creates two
    control files:

    1) prioidx - This is a read-only file that exports the index of this cgroup.
    This is a value that is both arbitrary and unique to a cgroup in this subsystem,
    and is used to index the per-device priority map

    2) priomap - This is a writeable file. On read it reports a table of 2-tuples
    where name is the name of a network interface and priority is
    indicates the priority assigned to frames egresessing on the named interface and
    originating from a pid in this cgroup

    This cgroup allows for skb priority to be set prior to a root qdisc getting
    selected. This is benenficial for DCB enabled systems, in that it allows for any
    application to use dcb configured priorities so without application modification

    Signed-off-by: Neil Horman
    Signed-off-by: John Fastabend
    CC: Robert Love
    CC: "David S. Miller"
    Signed-off-by: David S. Miller

    Neil Horman
     

19 Nov, 2011

1 commit

  • 56c978f1d   net: Remove LL_ALLOCATED_SPACE ... Browse Code »

    net: Remove LL_ALLOCATED_SPACE

    The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the
    alignment to the sum of needed_headroom and needed_tailroom. As
    the amount that is then reserved for head room is needed_headroom
    with alignment, this means that the tail room left may be too small.

    Now that all uses of LL_ALLOCATED_SPACE have been removed, this
    patch finally removes the macro itself.

    Signed-off-by: Herbert Xu
    Signed-off-by: David S. Miller

    Herbert Xu
     

18 Nov, 2011

1 commit

  • adc9300e7   net: use jump_label to shortcut RPS if not setup ... Browse Code »

    Most machines dont use RPS/RFS, and pay a fair amount of instructions in
    netif_receive_skb() / netif_rx() / get_rps_cpu() just to discover
    RPS/RFS is not setup.

    Add a jump_label named rps_needed.

    If no device rps_map or global rps_sock_flow_table is setup,
    netif_receive_skb() / netif_rx() do a single instruction instead of many
    ones, including conditional jumps.

    jmp +0 (if CONFIG_JUMP_LABEL=y)

    Signed-off-by: Eric Dumazet
    CC: Tom Herbert
    Signed-off-by: David S. Miller

    Eric Dumazet
     

17 Nov, 2011

5 commits

01 Nov, 2011

1 commit

  • b9075fa96   treewide: use __printf not __attribute__((format(printf,...))) ... Browse Code »

    Standardize the style for compiler based printf format verification.
    Standardized the location of __printf too.

    Done via script and a little typing.

    $ grep -rPl --include=*.[ch] -w "__attribute__" * | \
    grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \
    xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }'

    [akpm@linux-foundation.org: revert arch bits]
    Signed-off-by: Joe Perches
    Cc: "Kirill A. Shutemov"
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Joe Perches
     

25 Oct, 2011

2 commits

  • 7e0bb71e7   Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm ... Browse Code »

    * 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits)
    PM / Clocks: Remove redundant NULL checks before kfree()
    PM / Documentation: Update docs about suspend and CPU hotplug
    ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist.
    ARM: mach-shmobile: sh7372 A4R support (v4)
    ARM: mach-shmobile: sh7372 A3SP support (v4)
    PM / Sleep: Mark devices involved in wakeup signaling during suspend
    PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
    PM / Hibernate: Do not initialize static and extern variables to 0
    PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too
    PM / Hibernate: Add resumedelay kernel param in addition to resumewait
    MAINTAINERS: Update linux-pm list address
    PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs
    PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs
    PM / Hibernate: Add resumewait param to support MMC-like devices as resume file
    PM / Hibernate: Fix typo in a kerneldoc comment
    PM / Hibernate: Freeze kernel threads after preallocating memory
    PM: Update the policy on default wakeup settings
    PM / VT: Cleanup #if defined uglyness and fix compile error
    PM / Suspend: Off by one in pm_suspend()
    PM / Hibernate: Include storage keys in hibernation image on s390
    ...

    Linus Torvalds
     
  • 8a9ea3237   Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next ... Browse Code »

    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits)
    dp83640: free packet queues on remove
    dp83640: use proper function to free transmit time stamping packets
    ipv6: Do not use routes from locally generated RAs
    |PATCH net-next] tg3: add tx_dropped counter
    be2net: don't create multiple RX/TX rings in multi channel mode
    be2net: don't create multiple TXQs in BE2
    be2net: refactor VF setup/teardown code into be_vf_setup/clear()
    be2net: add vlan/rx-mode/flow-control config to be_setup()
    net_sched: cls_flow: use skb_header_pointer()
    ipv4: avoid useless call of the function check_peer_pmtu
    TCP: remove TCP_DEBUG
    net: Fix driver name for mdio-gpio.c
    ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT
    rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces
    ipv4: fix ipsec forward performance regression
    jme: fix irq storm after suspend/resume
    route: fix ICMP redirect validation
    net: hold sock reference while processing tx timestamps
    tcp: md5: add more const attributes
    Add ethtool -g support to virtio_net
    ...

    Fix up conflicts in:
    - drivers/net/Kconfig:
    The split-up generated a trivial conflict with removal of a
    stale reference to Documentation/networking/net-modules.txt.
    Remove it from the new location instead.
    - fs/sysfs/dir.c:
    Fairly nasty conflicts with the sysfs rb-tree usage, conflicting
    with Eric Biederman's changes for tagged directories.

    Linus Torvalds
     

17 Oct, 2011

1 commit

  • 5f8444a3f   if_link: Add additional parameter to IFLA_VF_INFO for spoof checking ... Browse Code »

    Add configuration setting for drivers to turn spoof checking on or off
    for discrete VFs.

    v2 - Fix indentation problem, wrap the ifla_vf_info structure in
    #ifdef __KERNEL__ to prevent user space from accessing and
    change function paramater for the spoof check setting netdev
    op from u8 to bool.
    v3 - Preset spoof check setting to -1 so that user space tools such
    as ip can detect that the driver didn't report a spoofcheck
    setting. Prevents incorrect display of spoof check settings
    for drivers that don't report it.

    Signed-off-by: Greg Rose
    Signed-off-by: Jeff Kirsher

    Greg Rose
     

16 Sep, 2011

1 commit

  • 4bc71cb98   net: consolidate and fix ethtool_ops->get_settings calling ... Browse Code »

    This patch does several things:
    - introduces __ethtool_get_settings which is called from ethtool code and
    from drivers as well. Put ASSERT_RTNL there.
    - dev_ethtool_get_settings() is replaced by __ethtool_get_settings()
    - changes calling in drivers so rtnl locking is respected. In
    iboe_get_rate was previously ->get_settings() called unlocked. This
    fixes it. Also prb_calc_retire_blk_tmo() in af_packet.c had the same
    problem. Also fixed by calling __dev_get_by_index() instead of
    dev_get_by_index() and holding rtnl_lock for both calls.
    - introduces rtnl_lock in bnx2fc_vport_create() and fcoe_vport_create()
    so bnx2fc_if_create() and fcoe_if_create() are called locked as they
    are from other places.
    - use __ethtool_get_settings() in bonding code

    Signed-off-by: Jiri Pirko

    v2->v3:
    -removed dev_ethtool_get_settings()
    -added ASSERT_RTNL into __ethtool_get_settings()
    -prb_calc_retire_blk_tmo - use __dev_get_by_index() and lock
    around it and __ethtool_get_settings() call
    v1->v2:
    add missing export_symbol
    Reviewed-by: Ben Hutchings [except FCoE bits]
    Acked-by: Ralf Baechle
    Signed-off-by: David S. Miller

    Jiri Pirko
     

29 Aug, 2011

1 commit

  • 3c9c36bce   net: Define NETDEV_FCOE_WWNN, NETDEV_FCOE_WWPN only when CONFIG_LIBFCOE is enabled ... Browse Code »

    bnx2fc driver calls netdev->netdev_ops->ndo_fcoe_get_wwn() and it may not
    be defined with the current Kconfig dependencies. ndo_fcoe_get_wwn is
    dependent on CONFIG_FCOE, but bnx2fc does not select CONFIG_FCOE, as it does
    not depend on fcoe driver. Since both fcoe and bnx2fc drivers select
    CONFIG_LIBFCOE, define NETDEV_FCOE_WWNN and NETDEV_FCOE_WWPN when
    CONFIG_LIBFCOE is defined.

    Reported-by: Stephen Rothwell
    Reported-by: Randy Dunlap
    Cc: Yi Zou
    Signed-off-by: Bhanu Prakash Gollapudi
    Signed-off-by: Michael Chan
    Reviewed-by: Yi Zou
    Acked-by: Randy Dunlap
    Signed-off-by: David S. Miller

    Bhanu Prakash Gollapudi
     

25 Aug, 2011

2 commits

  • cc7499861   PM QoS: Minor clean-ups ... Browse Code »

    - Misc fixes to improve code readability:
    * rename struct pm_qos_request_list to struct pm_qos_request,
    * rename pm_qos_req parameter to req in internal code,
    consistenly use req in the API parameters,
    * update the in-kernel API callers to the new parameters names,
    * rename of fields names (requests, list, node, constraints)

    Signed-off-by: Jean Pihet
    Acked-by: markgross
    Reviewed-by: Kevin Hilman
    Signed-off-by: Rafael J. Wysocki

    Jean Pihet
     
  • e8db0be12   PM QoS: Move and rename the implementation files ... Browse Code »
    43

    The PM QoS implementation files are better named
    kernel/power/qos.c and include/linux/pm_qos.h.

    The PM QoS support is compiled under the CONFIG_PM option.

    Signed-off-by: Jean Pihet
    Acked-by: markgross
    Reviewed-by: Kevin Hilman
    Signed-off-by: Rafael J. Wysocki

    Jean Pihet
     

23 Aug, 2011

2 commits

18 Aug, 2011

1 commit