Eric Lee / smarc-fsl-linux-kernel

16 Dec, 2011

1 commit

  • 29623892e   mac80211: count authorized stations per BSS ... Browse Code »

    Currently, each AP interface will send multicast
    traffic if any interface has a station entry even
    if that station entry is allocated only. With the
    new station state management we can easily fix it
    by adding a counter that counts each authorized
    station only and send multicast traffic only when
    the correct interface has at least one authorized
    station.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

29 Nov, 2011

1 commit

28 Sep, 2011

1 commit

15 Sep, 2011

1 commit

  • cfee66b0f   mac80211: Stop forwarding mesh traffic when tx queues are full ... Browse Code »

    Tx flow control for non-mesh modes of operation only needs to act on the
    net device queues: when the hardware queues are full we stop accepting
    traffic from the net device. In mesh, however, we also need to stop
    forwarding traffic. This patch checks the hardware queues before
    attempting to forward a mesh frame.

    Signed-off-by: Javier Cardona
    Signed-off-by: John W. Linville

    Javier Cardona
     

25 Aug, 2011

3 commits

21 Apr, 2011

1 commit

  • 243e6df4e   mac80211: fix SMPS debugfs locking ... Browse Code »

    The locking with SMPS requests means that the
    debugs file should lock the mgd mutex, not the
    iflist mutex. Calls to __ieee80211_request_smps()
    need to hold that mutex, so add an assertion.

    This has always been wrong, but for some reason
    never been noticed, probably because the locking
    error only happens while unassociated.

    Cc: stable@kernel.org [2.6.34+]
    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

04 Feb, 2011

2 commits

  • 681d11904   mac80211: Add testing functionality for TKIP ... Browse Code »

    TKIP countermeasures depend on devices being able to detect Michael
    MIC failures on received frames and for stations to report errors to
    the AP. In order to test that behavior, it is useful to be able to
    send out TKIP frames with incorrect Michael MIC. This testing behavior
    has minimal effect on the TX path, so it can be added to mac80211 for
    convenient use.

    The interface for using this functionality is a file in mac80211
    netdev debugfs (tkip_mic_test). Writing a MAC address to the file
    makes mac80211 generate a dummy data frame that will be sent out using
    invalid Michael MIC value. In AP mode, the address needs to be for one
    of the associated stations or ff:ff:ff:ff:ff:ff to use a broadcast
    frame. In station mode, the address can be anything, e.g., the current
    BSSID. It should be noted that this functionality works correctly only
    when associated and using TKIP.

    Signed-off-by: Jouni Malinen
    Acked-by: Johannes Berg
    Signed-off-by: John W. Linville

    Jouni Malinen
     
  • 0fa025f0a   mac80211: Show configured channel-type in netdev debugfs. ... Browse Code »

    Signed-off-by: Ben Greear
    Signed-off-by: John W. Linville

    Ben Greear
     

29 Jan, 2011

1 commit

07 Dec, 2010

1 commit

24 Oct, 2010

1 commit

  • 5f05647dd   Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 ... Browse Code »

    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
    bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
    vlan: Calling vlan_hwaccel_do_receive() is always valid.
    tproxy: use the interface primary IP address as a default value for --on-ip
    tproxy: added IPv6 support to the socket match
    cxgb3: function namespace cleanup
    tproxy: added IPv6 support to the TPROXY target
    tproxy: added IPv6 socket lookup function to nf_tproxy_core
    be2net: Changes to use only priority codes allowed by f/w
    tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
    tproxy: added tproxy sockopt interface in the IPV6 layer
    tproxy: added udp6_lib_lookup function
    tproxy: added const specifiers to udp lookup functions
    tproxy: split off ipv6 defragmentation to a separate module
    l2tp: small cleanup
    nf_nat: restrict ICMP translation for embedded header
    can: mcp251x: fix generation of error frames
    can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
    can-raw: add msg_flags to distinguish local traffic
    9p: client code cleanup
    rds: make local functions/variables static
    ...

    Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
    drivers/net/wireless/ath/ath9k/debug.c as per David

    Linus Torvalds
     

28 Sep, 2010

1 commit

16 Sep, 2010

1 commit

  • 2b18ab36c   net/wireless: use generic_file_llseek in debugfs ... Browse Code »

    The default llseek operation is changing from
    default_llseek to no_llseek, so all code relying on
    the current behaviour needs to make that explicit.

    The wireless driver infrastructure and some of the drivers
    make use of generated debugfs files, so they cannot
    be converted by our script that automatically determines
    the right operation.

    All these files use debugfs and they typically rely
    on simple_read_from_buffer, so the best llseek operation
    here is generic_file_llseek.

    Signed-off-by: Arnd Bergmann
    Cc: "John W. Linville"
    Cc: linux-wireless@vger.kernel.org
    Cc: netdev@vger.kernel.org

    Arnd Bergmann
     

16 Apr, 2010

1 commit

09 Apr, 2010

1 commit

01 Apr, 2010

1 commit

30 Mar, 2010

1 commit

  • 5a0e3ad6a   include cleanup: Update gfp.h and slab.h includes to prepare for breaking implic… ... Browse Code »

    …it 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>

    Tejun Heo
     

11 Mar, 2010

1 commit

13 Jan, 2010

2 commits

  • 2d46d7c12   mac80211: remove unused type argument ... Browse Code »

    The type argument to DEBUGFS_ADD() isn't used
    and can be removed, it's around from before
    the conversion to debugfs_remove_recursive().

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • 37eb0b164   cfg80211/mac80211: Use more generic bitrate mask for rate control ... Browse Code »

    Extend struct cfg80211_bitrate_mask to actually use a bitfield mask
    instead of just a single fixed or maximum rate index. This change
    itself does not modify the behavior (except for debugfs files), but it
    prepares cfg80211 and mac80211 for a new nl80211 command for setting
    which rates can be used in TX rate control.

    Since frames are now going through the rate control algorithm
    unconditionally, the internal IEEE80211_TX_INTFL_RCALGO flag can now
    be removed. The RC implementations can use the rate_idx_mask value to
    optimize their behavior if only a single rate is enabled.

    The old max_rate_idx in struct ieee80211_tx_rate_control is maintained
    (but commented as deprecated) for backwards compatibility with existing
    RC implementations. Once these implementations have been updated to
    use the more generic rate_idx_mask, the max_rate_idx value can be
    removed.

    Signed-off-by: Jouni Malinen
    Signed-off-by: John W. Linville

    Jouni Malinen
     

29 Dec, 2009

1 commit

  • af6b63741   mac80211: generalise work handling ... Browse Code »

    In order to use auth/assoc for different purposes
    other than MLME, it needs to be split up. For other
    purposes, a generic work handling (potentially on
    another channel) will be useful.

    To achieve that, this patch moves much of the MLME
    work handling out of mlme into a new work API. The
    API can currently handle probing a specific AP,
    authentication and association. The MLME previously
    handled probe/authentication as one step and will
    continue to do so, but they are separate in the new
    work handling.

    Work items are RCU-managed to be able to check for
    existence of an item for a specific frame in the RX
    path, but they can be re-used which the MLME right
    now will do for its combined probe/auth step.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

23 Dec, 2009

1 commit

  • 0f78231bf   mac80211: enable spatial multiplexing powersave ... Browse Code »

    Enable spatial multiplexing in mac80211 by telling the
    driver what to do and, where necessary, sending action
    frames to the AP to update the requested SMPS mode.

    Also includes a trivial implementation for hwsim that
    just logs the requested mode.

    For now, the userspace interface is in debugfs only,
    and let you toggle the requested mode at any time.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

22 Dec, 2009

1 commit

  • 47846c9b0   mac80211: reduce reliance on netdev ... Browse Code »

    For bluetooth 3, we will most likely not have
    a netdev for a virtual interface (sdata), so
    prepare for that by reducing the reliance on
    having a netdev. This patch moves the name
    and address fields into the sdata struct and
    uses them from there all over. Some work is
    needed to keep them sync'ed, but that's not
    a lot of work and in slow paths anyway.

    In doing so, this also reduces the number of
    pointer dereferences in many places, because
    of things like sdata->dev->dev_addr becoming
    sdata->vif.addr.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

14 Nov, 2009

1 commit

31 Oct, 2009

1 commit

  • 7bcfaf2f4   cfg80211/mac80211: use debugfs_remove_recursive ... Browse Code »

    We can save a lot of code and pointers in the structs
    by using debugfs_remove_recursive().

    First, change cfg80211 to use debugfs_remove_recursive()
    so that drivers do not need to clean up any files they
    added to the per-wiphy debugfs (if and only if they are
    ok to be accessed until after wiphy_unregister!).

    Then also make mac80211 use debugfs_remove_recursive()
    where necessary -- it need not remove per-wiphy files
    as cfg80211 now removes those, but netdev etc. files
    still need to be handled but can now be removed without
    needing struct dentry pointers to all of them.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

20 Aug, 2009

1 commit

11 Jul, 2009

4 commits

  • 77fdaa12c   mac80211: rework MLME for multiple authentications ... Browse Code »

    Sit tight. This shakes up the world as you know
    it. Let go of your spaghetti tongs, they will no
    longer be required, the horrible statemachine in
    net/mac80211/mlme.c is no more...

    With the cfg80211 SME mac80211 now has much less
    to keep track of, but, on the other hand, for FT
    it needs to be able to keep track of at least one
    authentication being in progress while associated.
    So convert from a single state machine to having
    small ones for all the different things we need to
    do. For real FT it will still need work wrt. PS,
    but this should be a good step.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • a7c1cfc96   mac80211: remove dead code from mlme ... Browse Code »

    The ap_capab and last_probe struct members are unused.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • ab1faead5   mac80211: remove dead code, clean up ... Browse Code »

    With mac80211 now always controlled by an external SME,
    a lot of code is dead -- SSID, BSSID, channel selection
    is always done externally, etc. Additionally, rename
    IEEE80211_STA_TKIP_WEP_USED to IEEE80211_STA_DISABLE_11N
    and clean up the code a bit.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • 6dc1cb031   mac80211: remove auth algorithm retry ... Browse Code »

    The automatic auth algorithm issue is now solved in
    cfg80211, so mac80211 no longer needs code to try
    different algorithms -- just using whatever cfg80211
    asked for is good.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

28 Feb, 2009

1 commit

  • 469002983   mac80211: split IBSS/managed code ... Browse Code »

    This patch splits out the ibss code and data from managed (station) mode.
    The reason to do this is to better separate the state machines, and have
    the code be contained better so it gets easier to determine what exactly
    a given change will affect, that in turn makes it easier to understand.

    This is quite some churn, especially because I split sdata->u.sta into
    sdata->u.mgd and sdata->u.ibss, but I think it's easier to maintain that
    way. I've also shuffled around some code -- null function sending is only
    applicable to managed interfaces so put that into that file, some other
    functions are needed from various places so put them into util, and also
    rearranged the prototypes in ieee80211_i.h accordingly.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

01 Nov, 2008

2 commits

  • bda3933a8   mac80211: move bss_conf into vif ... Browse Code »

    Move bss_conf into the vif struct so that drivers can
    access it during ->tx without having to store it in
    the private data or similar. No driver updates because
    this is only for when they want to start using it.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • 36ff382d0   mac80211: remove writable debugs mesh parameters ... Browse Code »

    These parameters shouldn't be configurable via debugfs, if they
    need to be configurable nl80211 support has to be added, if not
    then they don't need to be writable here either.

    Signed-off-by: Johannes Berg
    Cc: Javier Cardona
    Cc: Luis Carlos Cobo
    Signed-off-by: John W. Linville

    Johannes Berg
     

28 Oct, 2008

1 commit

15 Oct, 2008

1 commit

16 Sep, 2008

3 commits

  • c1b6cf4ee   mac80211: remove beacon counters ... Browse Code »

    The beacon counters mac80211 keeps are only used for debugfs,
    unfortunately, they are incorrect for many hardware designs,
    namely any design that has a beacon template. Hence, remove the
    counters so we don't create the impression they are usable.

    This also allows removing the beacon MESH #ifdef again.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • 05c914fe3   mac80211: use nl80211 interface types ... Browse Code »

    There's really no reason for mac80211 to be using its
    own interface type defines. Use the nl80211 types and
    simplify the configuration code a bit: there's no need
    to translate them any more now.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     
  • 472dbc45d   mac80211: split off mesh handling entirely ... Browse Code »

    This patch splits off mesh handling from the STA/IBSS.
    Unfortunately it increases mesh code size a bit, but I
    think it makes things clearer. The patch also reduces
    per-interface run-time memory usage.

    Also clean up a few places where ifdef is not required.

    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg