When AP interface is stopped ssid_len in the BSS configuration
isn't cleared which can confuse drivers when switching modes.
Set the length to zero when stopping the AP interface.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
local->hw.conf maybe not be synced when recalcing whether radar is
enabled, sometimes leaving radar enabled even if it's not neccesary
anymore.
Fix this by:
* setting radar_enabled when creating the chanctx
* turning radar_enabled off before destroying the last channel context
Reported-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The patch "mac80211: stringify mesh peering events" missed
an opportunity to print the peering state as a string.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Otherwise forwarded frames would keep the retry bit set
from the previous link transmission.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Properly register our mac80211_hwsim_driver, attach it to the platform bus.
Bind newly created hwsim devices to that driver, so that our wlan devices get
a proper "driver" sysfs attribute.
This makes mac80211_hwsim interfaces work with NetworkManager.
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
[fix an old and a new message to not be line-broken,
also fix the driver_register error path]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is better to use kstrto* instead of simple_strtoul. In this case it
applies a bit stricter rules for input as well.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In routine _rtl8188e_read_power_value_fromprom(), there are loops initializing
index_cck_base and index_bw40_base from the PROM. As the result of a typo, the
second loop is ended one element too soon.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Inside one FIFO slot queue, EDMA chipsets have the same link pointer
re-read race condition as older chipsets, so the same buffer holding
logic needs to be used in order to avoid use-after-free bugs.
Unlike on older chips, it can be skipped for the end of the queue.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If AR_CRCErr, AR_PHYErr, AR_DecryptCRCErr or AR_MichaelErr is indicated
in the rx status word, but AR_RxFrameOK is also set, the descriptor
contents are typically invalid. This can show up as a warning about
invalid MCS rates in a frame. Even with those checks in place, a
descriptor with invalid MCS rates can still sometimes make it through to
the driver (mostly on older hardware like AR91xx).
Detect such errors in the last descriptor of a frame and discard the
whole frame if present.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
As the comment in ath_get_next_rx_buf indicates, if a descriptor with
the done bit set follows one with the done bit cleared, both descriptors
should be discarded, however the driver is not doing that yet.
To fix this, use the rs->rs_more flag as an indicator that the following
frame should be discarded. This also helps with the split buffer case:
if the first part of the frame is discarded, the following parts need to
be discarded as well, since they contain no valid header or usable data.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Instead of leaving the buffer without skb and breaking out of the loop
(which could leak the rx buffer), use the common error path.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Banks 0-3,7 are neither modified at run time, nor SREV dependent.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There are two sets of initvals for this RF bank, one with TPC support and
one without.
The TPC one always gets used, so remove the other one to avoid confusion.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
All users are converted to use the rt2x00mmio_*
functions so remove the now unused defines.
The patch contain no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use the recently introduced rt2x00mmio_* routines
instead of the rt2x00pci_* variants.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use the recently introduced rt2x00mmio_* routines
instead of the rt2x00pci_* variants.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use the recently introduced rt2x00mmio_* routines
instead of the rt2x00pci_* variants.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use the recently introduced rt2x00mmio_* routines
instead of the rt2x00pci_* variants.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The functions in the rt2x00mmio module has been
moved from the rt2x00pci module. Each function
uses the rt2x00pci prefix which is a bit confusing.
Use the r2x000mmio prefix for each function to make
it consistent with the module name.
The renamed functions are used by several modules,
and updating the names in all of them would result
in a big patch. In order to keep the patch simple,
add compatibility defines for the old function
names. This allows to update the names in each
module separately. After each module is updated,
the defines can be removed.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
- Fix a brain fart in nfs41_walk_client_list
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Merge tag 'nfs-for-3.9-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull another nfs fixlet from Trond Myklebust:
"I suddenly noticed that a one-line issue that I _thought_ I had fixed
with the nfs41_walk_client_list patch was apparently still there in
the pull request I sent earlier today. I'm very sorry for not
catching that in time.
- Fix a brain fart in nfs41_walk_client_list"
* tag 'nfs-for-3.9-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Doh! Typo in the fix to nfs41_walk_client_list
This patch fix the regression introduced by the commit 3202bf0157
"arm: mvebu: Improve the SMP support of the interrupt controller":
GPIO IRQ were no longer delivered to the CPUs.
To be delivered to a CPU an interrupt must be enabled at CPU level and
at interrupt source level. Before the offending patch, all the
interrupts were enabled at source level during map() function. Mask()
and unmask() was done by handling the per-CPU part. It was fine when
running in UP with only one CPU.
The offending patch added support for SMP, in this case mask() and
unmask() was done by handling the interrupt source level part. The
per-CPU level part was handled by the affinity API to select the CPU
which will receive the interrupt. (Due to some hardware limitation
only one CPU at a time can received a given interrupt).
For "normal" interrupt __setup_irq() was called when an irq was
registered. irq_set_affinity() is called from this function, which
enabled the interrupt on one of the CPUs. Whereas for GPIO IRQ which
were chained interrupts, the irq_set_affinity() was never called and
none of the CPUs was selected to receive the interrupt.
With this patch all the interrupt are enable on the current CPU during
map() function. Enabling the interrupts on a CPU doesn't depend
anymore on irq_set_affinity() and then the chained irq are not anymore
a special case. However the CPU which will receive the irq can still
be modify later using irq_set_affinity().
Tested with Mirabox (A370) and Openblocks AX3 (AXP), rootfs mounted
over NFS, compiled with CONFIG_SMP=y/N.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reported-by: Ryan Press <ryan@presslab.us>
Investigated-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Ryan Press <ryan@presslab.us>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Make sure that we set the status to 0 on success. Missed in testing
because it never appears when doing multiple mounts to _different_
servers.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: <stable@vger.kernel.org> # 3.7.x: 7b1f1fd: NFSv4/4.1: Fix bugs in nfs4[01]_walk_client_list
- Stable fix for memory corruption issues in nfs4[01]_walk_client_list
- Stable fix for an Oopsable bug in rpc_clone_client
- Another state manager deadlock in the NFSv4 open code
- Memory leaks in nfs4_discover_server_trunking and rpc_new_client
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Merge tag 'nfs-for-3.9-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- fix for memory corruption issues in nfs4[01]_walk_client_list (stable)
- fix for an Oopsable bug in rpc_clone_client (stable)
- another state manager deadlock in the NFSv4 open code
- memory leaks in nfs4_discover_server_trunking and rpc_new_client
* tag 'nfs-for-3.9-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Fix another potential state manager deadlock
SUNRPC: Fix a potential memory leak in rpc_new_client
NFSv4/4.1: Fix bugs in nfs4[01]_walk_client_list
NFSv4: Fix a memory leak in nfs4_discover_server_trunking
SUNRPC: Remove extra xprt_put()
And make use of it in b43. This fixes a regression introduced with
49d55cef5b
b43: N-PHY: implement spurious tone avoidance
This commit made BCM4322 use only MCS 0 on channel 13, which of course
resulted in performance drop (down to 0.7Mb/s).
Reported-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The headers are now needed inside scripts/mod since 6543bec
("mod/file2alias: make modalias generation safe for cross compiling").
Reported-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Reported-and-tested-by: "Jon Medhurst (Tixy)" <tixy@linaro.org>
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
cyclic DMA is only used by audio which needs DMA to be started without a
delay.
If the DMA for audio is started using the tasklet we experience random
channel switch (to be more precise: channel shift).
Reported-by: Peter Meerwald <pmeerw@pmeerw.net>
CC: stable@vger.kernel.org # v3.7+
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Pull crypto fixes from Herbert Xu:
"This fixes a GCM bug that breaks IPsec and a compile problem in
ux500."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: ux500 - add missing comma
crypto: gcm - fix assumption that assoc has one segment
Pull drm fixes from Dave Airlie:
"Just a spare semicolon in nouveau that caused some issues, and an
mgag200 fix"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/mgag200: Index 24 in extended CRTC registers is 24 in hex, not decimal.
drm/nouveau: fix unconditional return waiting on memory
This change properly enables the "requester" in G200ER cards that is
responsible for getting pixels out of memory and clocking them out to
the screen.
Signed-off-by: Christopher Harvey <charvey@matrox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
On the failure path, stat->start and stat->pages will refer same page.
So it'll attempt to free the same page again and get kernel panic.
Link: http://lkml.kernel.org/r/1364820385-32027-1-git-send-email-namhyung@kernel.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
We can't compile a kernel with CONFIG_ALTIVEC=n when
CONFIG_PPC_TRANSACTIONAL_MEM=y. We currently get:
arch/powerpc/kernel/tm.S:320: Error: unsupported relocation against THREAD_VSCR
arch/powerpc/kernel/tm.S:323: Error: unsupported relocation against THREAD_VR0
arch/powerpc/kernel/tm.S:323: Error: unsupported relocation against THREAD_VR0
etc.
The below fixes this with a sprinkling of #ifdefs.
This was found by mpe with kisskb:
http://kisskb.ellerman.id.au/kisskb/buildresult/8539442/
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Using bool can make code more readable.
Convert uses and tests of int to bool.
This also makes a comparison of tg3->link_up
(itself bool) a bool comparison instead of int.
Reorder stack variable declarations to make
bool fit declaration holes where appropriate.
$ size drivers/net/ethernet/broadcom/tg3.o*
text data bss dec hex filename
169958 27249 58896 256103 3e867 drivers/net/ethernet/broadcom/tg3.o.new
169968 27249 58896 256113 3e871 drivers/net/ethernet/broadcom/tg3.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch_local_irq_save() and friends are required to act as compiler
memory barriers. This patch adds a "memory" clobber to the inline
asm code in arch_local_irq_restore() which is used as the building
block for other functions needing to set/clear the interrupt enable
in the CSR register.
Signed-off-by: Mark Salter <msalter@redhat.com>
Pull vfs fixes from Al Viro:
"A nasty bug in fs/namespace.c caught by Andrey + a couple of less
serious unpleasantness - ecryptfs misc device playing hopeless games
with try_module_get() and palinfo procfs support being... not quite
correctly done, to be polite."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
mnt: release locks on error path in do_loopback
palinfo fixes
procfs: add proc_remove_subtree()
ecryptfs: close rmmod race
Nithin Nayak Sujir says:
====================
This patch and the following two patches add support for link flap avoidance
by maintaining the link on power down. This feature is required for
management capable devices to have the management connection
uninterrupted on driver reload, reboot and interface up/down.
The other pros of this feature are
- It speeds up boot up time by several seconds as DHCP addresses can be
acquired faster.
- It avoids lengthy Spanning Tree delay.
On powerup the hardware brings up the phy with default settings. If the
link is not up, the management software configures the phy to gigabit
and starts autonegotiate. Subsequently, as long as the link is up, the
driver and management refrain from resetting and/or changing any
configuration that the link depends on.
The LNK_FLAP_AVOID setting is an NVRAM user configurable bit and is
disabled by default. If this setting is enabled, we skip powering down
the phy and resetting it.
A second NVRAM setting is 1G_ON_VAUX_OK (off by default). This adds
support for gigabit link speed when device is on auxiliary power.
====================
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When LFA is enabled, we don't reset the phy. But EEE settings changes
don't take effect until the phy is reset. Add a phy reset when we detect
a changed EEE setting.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Normally on driver load, we set the default settings for speed and flow
control. However, if the default setting is not compatible with the current link
state, we would autonegotiate and cause a link flap. To avoid this, we
pull the current advertised settings into the config.
A second scenario is if a user changes the speed/duplex/fc settings when
the interface is down. In this case we must not pull the settings from
the phy and overwrite user settings. We avoid that by checking the
USER_CONFIGURED flag.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch and the following two patches add support for link flap avoidance
by maintaining the link on power down. This feature is required for
management capable devices to have the management connection
uninterrupted on driver reload, reboot and interface up/down.
The other pros of this feature are
- It speeds up boot up time by several seconds as DHCP addresses can be
acquired faster.
- It avoids lengthy Spanning Tree delay.
On powerup the hardware brings up the phy with default settings. If the
link is not up, the management software configures the phy to gigabit
and starts autonegotiate. Subsequently, as long as the link is up, the
driver and management refrain from resetting and/or changing any
configuration that the link depends on.
The LNK_FLAP_AVOID setting is an NVRAM user configurable bit and is
disabled by default. If this setting is enabled, we skip powering down
the phy and resetting it.
A second NVRAM setting is 1G_ON_VAUX_OK (off by default). This adds
support for gigabit link speed when device is on auxiliary power.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Refactor for use in the next patch that adds sgmii phy support.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the user executes certain ethtool commands such as -s, -A, -G, -L,
-r a phy reset or autonegotiate is performed which results in management
traffic being interrupted.
Add a warning in these cases.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code unnecessarily resets the phy when we use ethtool to
change the ring parameters or flow control settings. Remove the phy
reset.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
