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of BCM4306
An additional BCM4306 has been found with the Bluetooth coexistence
SPROM coding error.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch returns success and empty scan on scans requests that were
rejected because issued too early. The cached bss list from previous
scanning will be returned by mac80211.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This BUG_ON really shouldn't trigger, but if it does, as on my machine,
it leaves you wondering what happened because you won't see it. Let's
instead leak a bit of state and memory and at least make it possible to
report it to the kerneloops project to track it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The PCMCIA layer obsoleted asking for per device private IRQS some years
ago and all the drivers by inspection correctly use dev_id and handle
shared interrupts [they get em anyway in most PCI bridged PCMCIA/Cardbus]
so can be adjusted.
This gets rid of the various bugs reported where there is spewage about
conflicting irq types and sometimes the driver won't load.
(Note I don't have all of these devices to test each one beyond by inspection)
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When a crypto key is being removed, rt2x00mac should not
reset the key->hw_key_idx value because that will prevent
the driver from removing the correct key from the hardware.
Furthermore ffz() starts counting at 0 instead of 1, so we don't
need to substract 1 from the resulting value.
Signed-off-by: Stephen Blackheath <tramp.enshrine.stephen@blacksapphire.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Long awaited, hard work. This patch totally cleans up the rate control
API to remove the requirement to include internal headers outside of
net/mac80211/.
There's one internal use in the PID algorithm left for mesh networking,
we'll have to figure out a way to clean that one up and decide how to
do the peer link evaluation, possibly independent of the rate control
algorithm or via new API.
Additionally, ath9k is left using the cross-inclusion hack for now, we
will add new API where necessary to make this work properly, but right
now I'm not expert enough to do it. It's still off better than before.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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TSF adjust is needed only for AP mode when staggered beacons
are used. Since we support only a single interface in IBSS mode,
disable setting the TSF adjust register.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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nexttbtt has to be obtained from the timestamp of the beacon
obtained from mac80211. Fix this.
And <asm/unaligned.h> is not needed anymore.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Also, remove comments that are not relevant anymore.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch removes the HT flags from RXON when moving from HT to legacy.
This avoids keeping those flags set and possibly miss configuring firmware.
If we are configured in HT, fat channel: channel 1 above, and move later
to legacy channel 11, we need to clear the FAT channel control flags in
RXON. If we don't, the firmware will understand this as channel 11 above
which is not possible due to regulatory constraints, leading to firmware
crash.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch addresses comments from Dan Williams about the patch
committed as "libertas: Reduce the WPA key installation time."
Signed-off-by: Javier Cardona <javier@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* Fix bad udelay calls (using > 2000us) in AR5210 code and clean up
some bits on nic_reset (AR5210 support is still in bad shape)
Changes-licensed-under: ISC
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds named constants for configuring MIMO power save
chain settings.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Scan need to be delayed only after association to allow EAPOL
exchange. We don't need the delay for IBSS mode.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If the system is misconfigured with CONFIG_RFKILL set but CONFIG_RFKILL_INPUT
not set, the built-in radio LEDs will not work. In the current code, no warning
is issued.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The SIOCSIWSCAN handler is passed data in an iw_point structure. Some
drivers erronously use an iw_param instead.
On 32 bit architectures the difference isn't noticed as the flags
parameter tends to be the only one used by scan handlers and is at the
same offset.
On 64 bit architectures the pointer in the iw_point structure means the
flag parameter is at different offsets in these structures.
Thanks to Jean Tourrilhes for tracking this down for orinoco, and Pavel
Roskin for confirming the fix and identifying other suspect handlers.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Acked-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Enabling the MIB interrupts has proven to cause an
interrupt storm after 7 hours of run. We will make use of the
MIB interrupt once we have ANI supported added so for now
to cure this we disable the interrupt.
The interrupt storm can be seen as follows after 7 hours of run
as reported by Steven Noonan <steven@uplinklabs.net>:
18:28:38 sum 1106.00
18:28:39 sum 1037.62
18:28:40 sum 1069.00
18:28:41 sum 1167.00
18:28:42 sum 1155.00
18:28:43 sum 1339.00
18:28:44 sum 18355.00
18:28:45 sum 17845.45
18:28:46 sum 15285.00
18:28:47 sum 17511.00
18:28:48 sum 17568.69
18:28:49 sum 17704.04
18:28:50 sum 18566.67
18:28:51 sum 18913.13
at 18:28:44 the MIB interrupt kicked off and caused huge
latency which can be seen even on a video he submitted:
http://www.youtube.com/watch?v=4GeCx1gZMpA
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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IRQs should be disabled before calling free_irq. Also flush pending
IRQs. Pasted the kernel log message for reference.
kernel: irq 17: nobody cared (try booting with the "irqpoll" option)
kernel: [<c0252d2c>] __report_bad_irq+0x2e/0x6f
kernel: [<c0252f22>] note_interrupt+0x1b5/0x207
kernel: [<c025258b>] ? handle_IRQ_event+0x21/0x48
kernel: [<c02534cb>] handle_fasteoi_irq+0x8e/0xad
kernel: [<c0205650>] do_IRQ+0x6c/0x84
kernel: [<c020425f>] common_interrupt+0x23/0x28
kernel: [<c034f6f6>] ? acpi_idle_enter_simple+0x198/0x205
kernel: [<c044686c>] ? menu_select+0x5c/0x78
kernel: [<c0445a95>] cpuidle_idle_call+0x59/0x89
kernel: [<c02029d7>] cpu_idle+0xae/0xcf
kernel: [<c0543102>] rest_init+0x4e/0x50
kernel: =======================
kernel: handlers:
kernel: [<f88fdd26>] (ath_isr+0x0/0x13a [ath9k])
kernel: Disabling IRQ #17
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Tested-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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akpm: taken from http://bugzilla.kernel.org/show_bug.cgi?id=11587
I bought the wifi dongle trust nw-3100 wich is in fact a zd1211rw. Its
hardware id was missing in the sources, adding it made it work flawlessly.
Cc: Daniel Drake <dsd@gentoo.org>
Cc: Ulrich Kunitz <kune@deine-taler.de>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Connectivtiy is lost after Group rekeying is done. The keytype
maintained by ath9k is reset when group key is updated. Though
sc_keytype can be reset only for broadcast key the proper fix
would be to use mac80211 provided key type from txinfo during
xmit and get rid of sc_keytype from ath9k ath_softc.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Tested-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit bc19d6e0b74ef03a3baf035412c95192b54dfc6f, which as
Larry Finger reports causes the radio LED on his system to no longer
respond to rfkill switch events.
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Requested-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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CC [M] drivers/net/wireless/libertas/wext.o
drivers/net/wireless/libertas/wext.c: In function ‘lbs_get_rts’:
drivers/net/wireless/libertas/wext.c:307: warning: comparison is always
false due to limited range of data type
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use min_t to avoid warnings when the typesafe version is used.
Explicitly cast u64s to unsigned long long when being passed to printk.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This paves the way for dynamic radio additions while the module
is loaded. Also restrict the number of radios to 100 because
creating that many already takes forever.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently, virtual interface pointers passed to drivers might be
from monitor interfaces and as such completely uninitialised
because we do not tell the driver about monitor interfaces when
those are created. Instead of passing them, we should therefore
indicate to the driver that there is no information; do that by
passing a NULL value and adjust drivers to cope with it.
As a result, some mac80211 API functions also need to cope with
a NULL vif pointer so drivers can still call them unconditionally.
Also, when injecting frames we really don't want to pass NULL all
the time, if we know we are the source address of a frame and have
a local interface for that address, we can to use that interface.
This also helps with processing the frame correctly for that
interface which will help the 802.11w implementation. It's not
entirely correct for VLANs or WDS interfaces because there the MAC
address isn't unique, but it's already a lot better than what we
do now.
Finally, when injecting without a matching local interface, don't
assign sequence numbers at all.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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WPA requires that the PTK is installed immediately after the 4-way handshake
in order to properly decrypt the subsequent incoming EAPOL-GTK frame. If the
PTK is not enabled by the time the EAPOL-GTK frame arrives, the frame is
dropped and the supplicant does not receive the group key.
This will happen with fast Access Points that send the EAPOL-GTK frame before
the suplicant has successfully installed and enabled the PTK. To mitigate
this situation, this patch simplifies and accelerates the SIOCSIWENCODEEXT
execution.
This patch resolves OLPC ticket 7825 (http://dev.laptop.org/ticket/7825)
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes the initialization of QoS parameters.
Reported-by: Lorenzo Nava, Francesco Gringoli
Signed-off-by: Francesco Gringoli <francesco.gringoli@ing.unibs.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds MODULE_FIRMWARE statement for 3945 HW.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds MODULE_FIRMWARE statement for 5000 HW.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch updates PCI IDs for 5350 Wifi/WiMax.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There really is no need, at worst ieee80211_start_tx_ba_session
will log a message when debugging is enabled, and poking such
internals of mac80211 definitely doesn't belong into an RC
algorithm.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rate control algorithms may need access to a station's
HT capabilities, so share the ht_info struct in the
public station API.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The sta_info->txrate_idx member isn't used by all RC algorithms
in the way it was intended to be used, move it into those that
require it (only PID) and keep track in the core code of which
rate was last used for reporting to userspace and the mesh MLME.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As more preparation for a saner rate control algorithm API,
share the supported rates bitmap in the public API.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This variable in sta_info is only used in a meaningful way
by the Intel RC algorithms, so move it into those.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In analogy with the previous patch to make mac80211-hwsim
verify that the virtual interface pointers are correct,
this makes it very that it knows about all station structs.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch changes mac80211 to share some more data about
stations with drivers. Should help iwlwifi and ath9k when
they get around to updating, and might also help with
implementing rate control algorithms without internals.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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mac80211-hwsim is a debugging tool for mac80211, and as such
it can very well verify that mac80211 isn't passing junk to
drivers, especially the vif pointer is prone to this because
for vlan interfaces the AP interface pointer needs to be passed.
This makes mac80211-hwsim add a magic cookie to the private vif
area and verify it whenever an operation is called that gets a
vif pointer.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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 <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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And support setting both long and short retries independently.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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RF kill support is enabled when CONFIG_RFKILL
is set.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some of the functions in main.c are re-ordered in such
a way that all local functions are defined before mac80211
and pci callbacks.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The generic reset command is unused. Each interface type needs to
handle the reset command differently since after reset, the firmware is
dead and interface-specific mechanisms must be used to reinitialize the
card.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This cleans up zd1211rw's own regulatory work, and makes use of
the new cfg80211 regulatory_hint().
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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iwconfig txpower can now be used to set tx power to fixed or auto. If set to
auto the default firmware settings are used.
The command CMD_802_11_PA_CFG is only sent to older firmware, as Dan Williams
noted the command was no longer supported in firmware V9+.
Signed-off-by: Anna Neal <anna@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Added support for 3 antennas for Legacy, SISO and MIMO2.
MIMO3 is still not supported yet.
Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a bug in Rate Scaling. When moving from SISO to MIMO we
need to choose the lowest higher rate, instead of choosing the highest in MIMO.
No doing this can lead to a high packet loss in the highest rate in MIMO,
leading not to move MIMO although lower in MIMO could give a better TPT.
Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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