The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86. (It would be more on an x86_64 system). This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).
This patch:
The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer. Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer. This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.
[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Judith Lebzelter <judith@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch converts all remaining users to use the new block cipher type
where applicable. It also changes all simple cipher operations to use
the new encrypt_one/decrypt_one interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hostap_cs driver
- added support for Proxim Harmony PCI W-Lan Card (uses pd6729 based
pcmcia2pci bridge)
Signed-off-by: Christian Steineck <memphis@machzwo.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Coverity CID 1160 & 1161
Remove some dead code from bcm43xx_sysfs.c in 2.6.18-rc6
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch prints out the ucode debug status to sysfs. So, users can
watch the microcode status of their hardware.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch prints microcode revision, patchlevel, date and time to
KERN_INFO. Also, version 4.xx microcodes (rev>0x128) will be rejected
by the driver, because they still do not work.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Acked-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch removes code that was make obsolete when the wireless
statistics in bcm43xx-softmac were changed, but was overlooked at that
time. The value of bcm->stats.link_quality computed here is never used.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch adds bitrate information to the scan result in the Prism54
driver, like some/most other driver do.
Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Inspired by an e-mail by Stephen Hemminger I decided to remove all
unneeded packed attributes from the code where the member variables are
already aligned. This avoids horrible code being generated on some
architectures.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested by Vincent TOUCHARD
zd1211 chip 0b05:170c v4802 high 00-11-d8 AL2230_RF pa0 g---
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested by Martin Dummer.
zd1211 chip 0b3b:5630 v4330 high 00-01-e3 RF2959_RF pa0 ---
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch fixes an out of sequence step in the bcm43xx_init_board
routine for bcm43xx-softmac.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This fixes various bugs in the init and shutdown code
that would lead to lockups and crashes.
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Caused by a documentation issue I mixed up fields of the zd_status
structure. This patch fixes it and improves also the average
computation, which is now using only measurements of packets sent
by the access point.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Found by inspection. The STRIP driver does neigh_lookup() but never
releases. This driver shouldn't being doing gratuitous arp anyway.
Untested, obviously, because of lack of hardware.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch sets the floor of wireless level (signal) and noise at
-110 dBm, which makes them be comatible with RCPI, as discussed by
Simon Barber. With this change, bcm43xx-softmac and bcm43xx-d80211
behave the same.
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When bcm43xx-softmac is given an ifdown/ifup sequence, the value for
bcm->mac_suspended ends up wrong, which leads to a large number of
assert(bcm->mac_suspended>=0) messages. This one-line patch fixes
this problem.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch enables the ipw2200 driver to support passive scanning as
offered by the wireless extensions. For this, I enhanced the ipw_wx_set_scan
function in such a way that it differentiates between a passive and an
active scan request. Additionally, I added a new function called
ipw_request_passive_scan that is similiar to the ipw_request_scan
function to perform passive scans. Last but not least, I added a field
(in fact it is a work_struct struct) called request_passive_scan to
the ipw_priv struct.
Signed-off-by: Thomas King <king@informatik.uni-mannheim.de>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Fix by removing dependency between priv->action_sem and rtnl semaphore.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If we don't disable the card in the pci .shutdown method, there might be
pending interrupts still in the interrupt line after a reboot on some
platform. This patch fixes the problem by disable the hardware in the pci
.shutdown method.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When command error log debug is enabled, we write every host command and
parameters into a buffer. But we didn't alloc the parameter buffer for this
case. The patch adds struct cmdlog_host_cmd so that the buffer is allocated
from the stack.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The ipw2200 firmware/ucode only support values from 0 to 254. So mark 255
as invalid.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
IEEE80211_RADIOTAP_TSFT is defined as the Value in microseconds of the
MAC's 64-bit 802.11 Time Synchronization Function timer when the first bit
of the MPDU arrived at the MAC. Since ipw2200 hardware doesn't provide this
value, we disable this feature from the radiotap header present flag.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch traps the case when the essid is being set to its
current value. If the essid is being set again and we are already
associated, chances are some other parameters have also been altered.
I think it is safer to do the re-association for this case.
Signed-off-by: Bill Moss <bmoss@clemson.edu>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch cleanups the ipw_wx_set_essid code and forces a reassociation
when setting the essid to "any". I have tested this patch with iwconfig. It
makes ipw2200 compliant with all the cases mentioned in the iwconfig man
page. The commands
iwconfig iface essid any
iwconfig iface essid -- any
iwconfig iface essid off
iwconfig iface essid on
all seemed to work correctly. None of this worked before the patch.
Note, this patch treats
iwconfig iface essid
iwconfig iface essid ""
The same. It produces an error message: essid: Unknown host.
Since an essid of "" is not mentioned in the iwconfig man page.
Signed-off-by: Bill Moss <bmoss@clemson.edu>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The SIOCGIWFREQ ioctl fills the request structure's freq field by setting
the exponent to 0 and the mantissa to the current channel number. The
iwconfig tool works around this behaviour by looking up the frequency
from the channel table if a frequency below 1kHz is returned, other tools
(e.g. kwlaninfo) don't. According to the comment in the iwconfig source
the driver is supposed to return the frequency, not the channel number.
Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Moving part of the debugging code from IPW_DEBUG to IPW_LL_DEBUG (low level
debugging) and make IPW_DEBUG be always enabled. IPW_LL_DEBUG still needs
to be enabled by selecting CONFIG_IPW2200_DEBUG. But it is highly
deprecated for normal users since it adds higher debug verbosity in driver
hot paths.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hard_start_xmit should return a NETIF_TX_FOO error code.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Convert the bitfields in the bcm43xx DMA code to properly
aligned u8 booleans. These flags are accessed in the DMA
hotpath, so it's a good idea to waste a few bytes of memory
for the sake of speed by not requiring masking (and probably
shifting) of the bitfields.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Don't rely on linux/if_arp.h being included by other headers
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
SPARC architecture has been fixed, so it's no longer needed.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Calls to bcm43xx_rng_init() and bcm43xx_rng_exit() got
lost due to merge trouble. Re-add them.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This is a rewrite of the bcm43xx DMA engine. It adds support
for >1G of memory (for chips that support the extension bits)
and 64-bit DMA (for chips that support it).
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The airo driver is currently caching a pid for later use, but with the
implementation of containers, pids themselves do not uniquely identify a
task. The driver is also using kernel_thread() which is deprecated in
drivers.
This patch essentially replaces the kernel_thread() with kthread_create().
It also stores the task_struct of the airo_thread rather than its pid.
Since this introduces a second task_struct in struct airo_info, the patch
renames airo_info.task to airo_info.list_bss_task.
As an extension of these changes, the patch further:
- replaces kill_proc() with kthread_stop()
- replaces signal_pending() with kthread_should_stop()
- removes thread completion synchronisation which is handled by
kthread_stop().
[akpm@osdl.org: fix races]
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Javier Achirica <achirica@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
spectrum_cs: Fix the logic so we error when the device is *not* present!
This fixes firmware upload failures which prevent the driver from
working (the bug is also present in 2.6.17).
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Intersil firmware 1.7.4 (and possibly others) loses the antenna
selection settings when the port is reset.
Signed-off-by: David Acker <dacker@roinet.com>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This bug was introduced during the PCMCIA API conversion and broke
spectrum_cs completely.
Tracked down by Fredrik Tolf <fredrik@dolda2000.com>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch removes the dependency on ieee80211.h from
the ray_cs driver. ray_cs only needs iw_handler.h.
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add static to 2 internal functions. Thanks goes to Adrian Bunk, who found that.
Also made some modifications to the clear functions:
After a discussion on the mailing list, I implemented this code to
have on the one hand sufficient test in debug mode, but on the
other hand reduce the overhead for structure clearing to a
minimum.
A new macro ZD_MEMCLEAR is introduced, which produces code if
DEBUG is set. Locks are not set anymore for structure clearing,
but in debug mode, there is a verification, that the locks have
not been set.
Finally, removed a misleading comment regarding locking in the disconnect
path.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The Longshine device is a ZD1211B and has a AL2230 RF. I tested it
successfully with no encryption and WEP.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Some devices identify themselves as a virtual USB CDROM drive. The virtual CD
includes the windows driver. We aren't interested in this, so we eject the
virtual CDROM and then the real wireless device appears.
Patch fixed over the earlier version to not leak cmd, thanks to Michael Buesch
for spotting that.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
zd1211 chip 0586:3402 v4916 high 00-13-49 AL2230_RF pa0 ----
This device pops up after the virtual driver CD has been ejected.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This is needed for my G220F, otherwise it fails to initialize after the
existing firmware upload routine.
The vendor driver actually does more than what I have done here: it
downloads the firmware + boot code, modifies it, and uploads it again
(really messy). I have not copied that part over, as my device can get
on its feet without it.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested by Wonka on IRC.
zd1211 chip 157e:3204 v4810 high 00-11-e0 AL7230B_RF pa0 g---
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Theodore Ts'o