linux.git/net/wireless, branch v3.4-rc2

Merge branch 'akpm' (Andrew's patch-bomb)

2012-04-05T22:30:34+00:00

Merge batch of fixes from Andrew Morton:
 "The simple_open() cleanup was held back while I wanted for laggards to
  merge things.

  I still need to send a few checkpoint/restore patches.  I've been
  wobbly about merging them because I'm wobbly about the overall
  prospects for success of the project.  But after speaking with Pavel
  at the LSF conference, it sounds like they're further toward
  completion than I feared - apparently davem is at the "has stopped
  complaining" stage regarding the net changes.  So I need to go back
  and re-review those patchs and their (lengthy) discussion."

* emailed from Andrew Morton : (16 patches)
  memcg swap: use mem_cgroup_uncharge_swap fix
  backlight: add driver for DA9052/53 PMIC v1
  C6X: use set_current_blocked() and block_sigmask()
  MAINTAINERS: add entry for sparse checker
  MAINTAINERS: fix REMOTEPROC F: typo
  alpha: use set_current_blocked() and block_sigmask()
  simple_open: automatically convert to simple_open()
  scripts/coccinelle/api/simple_open.cocci: semantic patch for simple_open()
  libfs: add simple_open()
  hugetlbfs: remove unregister_filesystem() when initializing module
  drivers/rtc/rtc-88pm860x.c: fix rtc irq enable callback
  fs/xattr.c:setxattr(): improve handling of allocation failures
  fs/xattr.c:listxattr(): fall back to vmalloc() if kmalloc() failed
  fs/xattr.c: suppress page allocation failure warnings from sys_listxattr()
  sysrq: use SEND_SIG_FORCED instead of force_sig()
  proc: fix mount -t proc -o AAA

simple_open: automatically convert to simple_open()

2012-04-05T22:25:50+00:00

Many users of debugfs copy the implementation of default_open() when
they want to support a custom read/write function op.  This leads to a
proliferation of the default_open() implementation across the entire
tree.

Now that the common implementation has been consolidated into libfs we
can replace all the users of this function with simple_open().

This replacement was done with the following semantic patch:


@ open @
identifier open_f != simple_open;
identifier i, f;
@@
-int open_f(struct inode *i, struct file *f)
-{
(
-if (i->i_private)
-f->private_data = i->i_private;
|
-f->private_data = i->i_private;
)
-return 0;
-}

@ has_open depends on open @
identifier fops;
identifier open.open_f;
@@
struct file_operations fops = {
...
-.open = open_f,
+.open = simple_open,
...
};


[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Stephen Boyd 
Cc: Greg Kroah-Hartman 
Cc: Al Viro 
Cc: Julia Lawall 
Acked-by: Ingo Molnar 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

cfg80211: allow CFG80211_SIGNAL_TYPE_UNSPEC in station_info

2012-03-26T19:07:25+00:00

The station_info struct had demanded dBm signal values, but the
cfg80211 wireless extensions implementation was also accepting
"unspecified" (i.e. RSSI) unit values while the nl80211 code was
completely unaware of them.  Resolve this by formally allowing the
"unspecified" units while making nl80211 ignore them.

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

cfg80211: clarify timestamp in cfg80211_inform_bss

2012-03-13T18:54:20+00:00

This is intended to be the timestamp sent by the
peer in the beacon/probe response, not any form
of host timestamp. Clarify the documentation and
variable names.

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

cfg80211: Add background scan period attribute.

2012-03-12T18:19:34+00:00

Receive background scan period as part of connect
command and pass the same to the driver.

Signed-off-by: Bala Shanmugam 
Signed-off-by: John W. Linville

cfg80211: expose cfg80211_calculate_bitrate()

2012-03-06T20:16:17+00:00

Signed-off-by: Thomas Pedersen 
Reviewed-by: Johannes Berg 
Signed-off-by: John W. Linville

cfg80211/mac80211: report signal strength for mgmt frames

2012-03-06T20:16:05+00:00

Add the signal strength (in dBm only for now) to
frames that are received via nl80211's various
frame APIs.

Signed-off-by: Johannes Berg 
Acked-by: Kalle Valo 
Signed-off-by: John W. Linville

cfg80211: Add an attribute to set inactivity timeout in AP mode

2012-03-05T20:38:34+00:00

This patch adds an attribute, NL80211_ATTR_INACTIVITY_TIMEOUT,
to set the inactivity timeout which can be used to remove the
station in AP mode. This can be passed in NL80211_CMD_START_AP
and used by the drivers which have AP MLME in firmware but
don't support get_station() properly. To disable inactivity
timer in userspace, wpa_s for example, there is a new flag,
NL80211_FEATURE_INACTIVITY_TIMER, in nl80211_feature_flags
through which drivers can register their capability to use
the inactivity timeout to free the stations.

Signed-off-by: Vasanthakumar Thiagarajan 
Acked-by: Johannes Berg 
Signed-off-by: John W. Linville

{nl,cfg,mac}80211: Implement RSSI threshold for mesh peering

2012-03-05T20:23:15+00:00

Mesh peer links are established only if average rssi of the peer
candidate satisfies the threshold. This is not in 802.11s specification
but was requested by David Fulgham, an open80211s user. This is a way to avoid
marginal peer links with stations that are barely within range.

This patch adds a new mesh configuration parameter, mesh_rssi_threshold. This
feature is supported only for hardwares that report signal in dBm.

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

cfg80211: remove cookies from callbacks

2012-02-29T19:11:33+00:00

In "cfg80211: no cookies in cfg80211_send_XXX()"
Holger Schurig removed the cookies in the calls
from mac80211 to cfg80211, but the ones in the
other direction were left in. Remove them now.

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