Eilon Greenstein [Thu, 12 Feb 2009 08:37:00 +0000 (08:37 +0000)]
bnx2x: Supporting BCM8481 PHY
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:58 +0000 (08:36 +0000)]
bnx2x: PHY lock list
Some dual port PHY require HW lock since they are used by both interfaces
(different driver instances). Since this list is getting longer, update a
parameter at load time instead of calculating it on runtime
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:55 +0000 (08:36 +0000)]
bnx2x: Supporting BCM8726 PHY
Also adding the ability to recognize the optic module and disable it if it is
not authorized for safety reasons - since this feature might upset some users
which are willing to take the risk, it is optional and can be disabled by
setting an nvram bit (or a trivial driver patch to set this bit).
This dual port PHY requires special handling if the ports are swapped.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:52 +0000 (08:36 +0000)]
bnx2x: GPIO accessories
A GPIO is used with the 8726 PHY. Adding the GPIO related functions in this
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:49 +0000 (08:36 +0000)]
bnx2x: Removing redundant device parameters
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:47 +0000 (08:36 +0000)]
bnx2x: Removing the board type
There are too many different board types and this field is not scalable.
Removing it and making decisions according to other fields
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:43 +0000 (08:36 +0000)]
bnx2x: Flow control enhancement
Setting better HW thresholds and enabling FW capabilities for better
enforcement. Also set the HW to more efficiently use the internal buffers if
this is a single port design
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:40 +0000 (08:36 +0000)]
bnx2x: BW shaper enhancements
Some of the configuration can be set when loading the device and shouldn't be
re-calculated after each link up indication since it is not dependent on the
link speed
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:37 +0000 (08:36 +0000)]
bnx2x: Moving skb_record_rx_queue
Should be called for all incoming packets and not just for GRO packets
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:33 +0000 (08:36 +0000)]
bnx2x: Per queue statistics
Re-ordering the statistics to enhance readability and adding per queue
statistics (available via ethtool -S)
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:27 +0000 (08:36 +0000)]
bnx2x: Removing microcode assertion check
This check is unreliable since latest MC can issue warnings on rare occasions
which are not fatal errors
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:23 +0000 (08:36 +0000)]
bnx2x: Disabling interrupts after iSCSI-boot
Before initializing the chip after iSCSI boot, the interrupts of the function
that was used to boot must be disabled. That means that the driver needs to set
the chip as if it is the iSCSI PCI function - this bug is exposed only with MSI
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:18 +0000 (08:36 +0000)]
bnx2x: System-page alignment
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:15 +0000 (08:36 +0000)]
bnx2x: MSI support
Enabling MSI on top of MSI-X and INTA. Also changing the module parameter to
allow choosing INTA or MSI even when MSI-X is available. The default status
block should not be reversed for endianity. Since MSI can issue
re-configuration, the interrupt disable function now requires mmiowb
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Thu, 12 Feb 2009 08:36:11 +0000 (08:36 +0000)]
bnx2x: Multi-queue
Adding Tx multi-queue and enabling multi-queue by default
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Mon, 16 Feb 2009 07:24:08 +0000 (23:24 -0800)]
bnx2x: New FW
This is the FW blob and the relevant definitions without any logic. It
also contains the minimal mandatory code changes to work with this FW
but it does not contain enabling of the new features that this FW
provides.
This FW is needed for:
- More efficient multi-queue
- per queue statistics
- Big-endian issue with MSI
- Improved pause response
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:43 +0000 (05:03 +0000)]
igb: use timecompare to implement hardware time stamping
Both TX and RX hardware time stamping are implemented. Due to
hardware limitations it is not possible to verify reliably which
packet was time stamped when multiple were pending for sending; this
could be solved by only allowing one packet marked for hardware time
stamping into the queue (not implemented yet).
RX time stamping relies on the flag in the packet descriptor which
marks packets that were time stamped. In "all packet" mode this flag
is not set. TODO: also support that mode (even though it'll suffer
from race conditions).
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:42 +0000 (05:03 +0000)]
igb: stub support for SIOCSHWTSTAMP
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:41 +0000 (05:03 +0000)]
igb: access to NIC time
Adds the register definitions and code to read the time
register.
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:40 +0000 (05:03 +0000)]
net: pass new SIOCSHWTSTAMP through to device drivers
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:39 +0000 (05:03 +0000)]
ip: support for TX timestamps on UDP and RAW sockets
Instructions for time stamping outgoing packets are take from the
socket layer and later copied into the new skb.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:38 +0000 (05:03 +0000)]
net: socket infrastructure for SO_TIMESTAMPING
The overlap with the old SO_TIMESTAMP[NS] options is handled so
that time stamping in software (net_enable_timestamp()) is
enabled when SO_TIMESTAMP[NS] and/or SO_TIMESTAMPING_RX_SOFTWARE
is set. It's disabled if all of these are off.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:37 +0000 (05:03 +0000)]
net: infrastructure for hardware time stamping
The additional per-packet information (16 bytes for time stamps, 1
byte for flags) is stored for all packets in the skb_shared_info
struct. This implementation detail is hidden from users of that
information via skb_* accessor functions. A separate struct resp.
union is used for the additional information so that it can be
stored/copied easily outside of skb_shared_info.
Compared to previous implementations (reusing the tstamp field
depending on the context, optional additional structures) this
is the simplest solution. It does not extend sk_buff itself.
TX time stamping is implemented in software if the device driver
doesn't support hardware time stamping.
The new semantic for hardware/software time stamping around
ndo_start_xmit() is based on two assumptions about existing
network device drivers which don't support hardware time
stamping and know nothing about it:
- they leave the new skb_shared_tx unmodified
- the keep the connection to the originating socket in skb->sk
alive, i.e., don't call skb_orphan()
Given that skb_shared_tx is new, the first assumption is safe.
The second is only true for some drivers. As a result, software
TX time stamping currently works with the bnx2 driver, but not
with the unmodified igb driver (the two drivers this patch series
was tested with).
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:36 +0000 (05:03 +0000)]
net: new user space API for time stamping of incoming and outgoing packets
User space can request hardware and/or software time stamping.
Reporting of the result(s) via a new control message is enabled
separately for each field in the message because some of the
fields may require additional computation and thus cause overhead.
User space can tell the different kinds of time stamps apart
and choose what suits its needs.
When a TX timestamp operation is requested, the TX skb will be cloned
and the clone will be time stamped (in hardware or software) and added
to the socket error queue of the skb, if the skb has a socket
associated with it.
The actual TX timestamp will reach userspace as a RX timestamp on the
cloned packet. If timestamping is requested and no timestamping is
done in the device driver (potentially this may use hardware
timestamping), it will be done in software after the device's
start_hard_xmit routine.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:35 +0000 (05:03 +0000)]
timecompare: generic infrastructure to map between two time bases
Mapping from a struct timecounter to a time returned by functions like
ktime_get_real() is implemented. This is sufficient to use this code
in a network device driver which wants to support hardware time
stamping and transformation of hardware time stamps to system time.
The interface could have been made more versatile by not depending on
a time counter, but this wasn't done to avoid writing glue code
elsewhere.
The method implemented here is the one used and analyzed under the name
"assisted PTP" in the LCI PTP paper:
http://www.linuxclustersinstitute.org/conferences/archive/2008/PDF/Ohly_92221.pdf
Acked-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Patrick Ohly [Thu, 12 Feb 2009 05:03:34 +0000 (05:03 +0000)]
clocksource: allow usage independent of timekeeping.c
So far struct clocksource acted as the interface between time/timekeeping.c
and hardware. This patch generalizes the concept so that a similar
interface can also be used in other contexts. For that it introduces
new structures and related functions *without* touching the existing
struct clocksource.
The reasons for adding these new structures to clocksource.[ch] are
* the APIs are clearly related
* struct clocksource could be cleaned up to use the new structs
* avoids proliferation of files with similar names (timesource.h?
timecounter.h?)
As outlined in the discussion with John Stultz, this patch adds
* struct cyclecounter: stateless API to hardware which counts clock cycles
* struct timecounter: stateful utility code built on a cyclecounter which
provides a nanosecond counter
* only the function to read the nanosecond counter; deltas are used internally
and not exposed to users of timecounter
The code does no locking of the shared state. It must be called at least
as often as the cycle counter wraps around to detect these wrap arounds.
Both is the responsibility of the timecounter user.
Acked-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dave graham [Sun, 15 Feb 2009 07:46:10 +0000 (23:46 -0800)]
e1000e: Remove mutex_trylock and associated WARN on failure.
Single-thread access must be ensured for ICH8 NVM and PHY operations.
This synchronization is provided by the nvm_mutex. To assist in
understanding the contexts from which this code could be reached,
a WARN was output if the mutex was not going to be immediately
acquirable (if !mutex_trylock()). The code has now been optimized,
and we have verified that the few remaining mutex contentions are
reasonable and non-blocking, and it is time to remove the
mutex_trylock() and WARN messages.
Signed-off-by: dave graham <david.graham@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sun, 15 Feb 2009 07:12:00 +0000 (23:12 -0800)]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
David S. Miller [Sun, 15 Feb 2009 07:06:44 +0000 (23:06 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-next-2.6
Harvey Harrison [Sun, 15 Feb 2009 06:58:35 +0000 (22:58 -0800)]
net: replace __constant_{endian} uses in net headers
Base versions handle constant folding now. For headers exposed to
userspace, we must only expose the __ prefixed versions.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Harvey Harrison [Sun, 15 Feb 2009 06:56:56 +0000 (22:56 -0800)]
rndis: remove private wrapper of __constant_cpu_to_le32
Use cpu_to_le32 directly as it handles constant folding now, replace direct
uses of __constant_cpu_to_{endian} as well.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sun, 15 Feb 2009 04:46:39 +0000 (20:46 -0800)]
tun: Fix merge error
When forward-porting the tun accounting patch I managed to break
the send path compltely by dropping the tun_get call.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 13 Feb 2009 23:31:30 +0000 (15:31 -0800)]
Linux 2.6.29-rc5
Luis R. Rodriguez [Tue, 10 Feb 2009 23:35:27 +0000 (15:35 -0800)]
ath9k: add udelay() for AR5416 on ath9k_hw_configpcipowersave()
We need the udelay() for all families, including AR5416.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Luis R. Rodriguez [Tue, 10 Feb 2009 23:35:22 +0000 (15:35 -0800)]
ath9k: add comments for ath9k_hw_configpcipowersave()
This is used for ASPM.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reinette Chatre [Tue, 10 Feb 2009 23:19:04 +0000 (15:19 -0800)]
iwlwifi: fix FAT channel config for 5000 series
The test to find out if we have FAT channels do not consider that
the value of regulatory_bands for the 5000 series is larger than its
eeprom size. Using the eeprom size is strange in itself.
Use a new EEPROM_REGULATORY_BAND_NO_FAT to indicate no FAT support
and test for that explicitly.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tomas Winkler [Tue, 10 Feb 2009 23:19:03 +0000 (15:19 -0800)]
iwlwifi: drop PCIe workaround applicable for development boards
This patch remove w/a used for development boards.
These boards are not available thus no need to keep it inside driver
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tomas Winkler [Tue, 10 Feb 2009 23:19:02 +0000 (15:19 -0800)]
iwlwifi: use pci registers defined in pci_regs.h
This patch replaces where possible usage of pci register
defined in the driver by ones defined in pci_regs.h
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:26:03 +0000 (21:26 +0100)]
mac80211: split managed/ibss code a little more
It appears that you can completely mess up mac80211 in IBSS
mode by sending it a disassoc or deauth: it'll stop queues
and do a lot more but not ever do anything again. Fix this
by not handling all those frames in IBSS mode,
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:26:02 +0000 (21:26 +0100)]
mac80211: fix IBSS auth
The code beyond this point is supposed to be used for
non-IBSS (managed) mode only.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:26:01 +0000 (21:26 +0100)]
mac80211: calculate wstats_flags on the fly
Just to make wext.c more self-contained.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:26:00 +0000 (21:26 +0100)]
mac80211: use cfg80211s BSS infrastructure
Remove all the code from mac80211 to keep track of BSSes
and use the cfg80211-provided code completely.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:59 +0000 (21:25 +0100)]
cfg80211: add more flexible BSS lookup
Add a more flexible BSS lookup function so that mac80211 or
other drivers can actually use this for getting the BSS to
connect to.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:58 +0000 (21:25 +0100)]
cfg80211: allow users to request removing a BSS
This patch introduces cfg80211_unlink_bss, a function to
allow a driver to remove a BSS from the internal list and
make it not show up in scan results any more -- this is
to be used when the driver detects that the BSS is no
longer available.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:57 +0000 (21:25 +0100)]
cfg80211: free_priv for BSS info
When cfg80211 users have their own allocated data in the per-BSS
private data, they will need to free this when the BSS struct is
destroyed. Add a free_priv method and fix one place where the BSS
was kfree'd rather than released properly.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:56 +0000 (21:25 +0100)]
mac80211: dont add BSS when creating IBSS
There's no need to create a BSS struct only to pass it to
ieee80211_sta_join_ibss, so refactor this function into
__ieee80211_sta_join_ibss which takes all the relevant
paramters, and ieee80211_sta_join_ibss which takes a BSS
struct (used when joining an IBSS that already has other
members).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:55 +0000 (21:25 +0100)]
cfg80211/nl80211: scanning (and mac80211 update to use it)
This patch adds basic scan capability to cfg80211/nl80211 and
changes mac80211 to use it. The BSS list that cfg80211 maintains
is made driver-accessible with a private area in each BSS struct,
but mac80211 doesn't yet use it. That's another large project.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:54 +0000 (21:25 +0100)]
mac80211: further cleanups to stopping BA sessions
Essentially consisting of passing the sta_info pointer around,
instead of repeatedly doing hash lookups.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:53 +0000 (21:25 +0100)]
mac80211: RX aggregation: clean up stop session
Clean up the locking by splitting it into two functions,
this will also enable further cleanups of stopping all
sessions.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:52 +0000 (21:25 +0100)]
mac80211: clean up BA session teardown
The sta_info pointer can very well be passed to
ieee80211_sta_tear_down_BA_sessions, this will
later allow us to pass it through even further.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:51 +0000 (21:25 +0100)]
mac80211: fix aggregation timer lockups
As far as I can tell, there are possible lockups because both the RX
session_timer and TX addba_resp_timer are del_timer_sync'ed under
the sta spinlock which both timer functions take. Additionally, the
TX agg code seems to leak memory when TX aggregation is not disabled
before the sta_info is freed.
Fix this by making the free code a little smarter in the RX agg case,
and actually make the sta_info_destroy code free the TX agg info in
the TX agg case. We won't notify the peer, but it'll notice something
is wrong anyway, and normally this only happens after we've told it
in some other way we will no longer talk to it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:50 +0000 (21:25 +0100)]
mac80211: fix race in TX aggregation
When disabling TX aggregation because it was rejected or from
the timer (it was not accepted), there is a window where we
first set the state to operation, unlock, and then undo the
whole thing. Avoid that by splitting up the stop function.
Also get rid of the pointless sta_info indirection in the timer.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:49 +0000 (21:25 +0100)]
mac80211: document TX aggregation (and small cleanup)
Add documentation and move ieee80211_start_tx_ba_cb_irqsafe to right
after ieee80211_start_tx_ba_cb.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:48 +0000 (21:25 +0100)]
mac80211: hardware should not deny going back to legacy
Doing so would be an MLME protocol violation when the peer disabled
the aggregation session. Quick driver review indicates that there are
error codes passed all over the drivers but cannot ever be nonzero
except in error conditions that would indicate mac80211 bugs.
No real changes here, since no drivers currently can return -EBUSY.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:47 +0000 (21:25 +0100)]
mac80211: restrict aggregation to supported interface modes
We can only support aggregation on AP/STA right now. HT isn't defined
for IBSS, WDS or MESH. In the WDS/MESH cases it's not clear what to
put into the IBSS field, and we don't handle that in the code at all.
Also fix the code to handle VLAN correctly.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:46 +0000 (21:25 +0100)]
mac80211: restructure HT code
Create two new files, agg-tx.c and agg-rx.c to make it clearer
which code is common (ht.c) and which is specific (agg-*.c).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:45 +0000 (21:25 +0100)]
mac80211: fix RX aggregation timeouts
The values are in TUs (1.024ms), not ms.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:44 +0000 (21:25 +0100)]
mac80211: remove stray aggregation debugfs definition
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:43 +0000 (21:25 +0100)]
mac80211: remove bssid argument from prepare_for_handlers
It's a little confusing to get the BSSID outside the function
and pass it in, when it's only needed for this function, so
change that.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:42 +0000 (21:25 +0100)]
mac80211: fix beacon enable more
Hopefully the last required fix ... disable beaconing
only on beaconing interfaces, and thus avoid calling
ieee80211_if_config for purely virtual interfaces
(those driver doesn't know about).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:41 +0000 (21:25 +0100)]
mac80211: reject extra IEs for probe request when hw_scan
We cannot currently hand off extra IEs to hw_scan, so reject
configuring extra IEs for probe request frames when hw_scan
is set.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:40 +0000 (21:25 +0100)]
mac80211: properly validate/translate IW_AUTH_MFP values
Make sure nobody passes in bogus values, and translate the values
(although it isn't necessary).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:39 +0000 (21:25 +0100)]
zd1211rw: honour enable_beacon conf
This makes zd1211rw honour enable_beacon, as well as fixing
a memory leak: the beacon skb is leaked when configuring it
to the hardware fails.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:38 +0000 (21:25 +0100)]
mac80211: disable IBSS beacon before join
Before we have a probe response frame (which is used as the
beacon too) there's no need to ask drivers to beacon, they
will not get a beacon anyway.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 10 Feb 2009 20:25:37 +0000 (21:25 +0100)]
zd1211rw: do not ratelimit no-ops
It is rather confusing to see this in the log:
[ 695.606877] __ratelimit: 40 callbacks suppressed
[ 700.726878] __ratelimit: 40 callbacks suppressed
without ever seeing any actual message. This is because
zd1211rw doesn't compile out the net_ratelimit() call
properly if debugging is not enabled.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Kalle Valo [Tue, 10 Feb 2009 15:09:31 +0000 (17:09 +0200)]
mac80211: use ps-poll when dynamic power save mode is disabled
When a directed tim bit is set, mac80211 currently disables power save
ands sends a null frame to the AP. But if dynamic power save is
disabled, mac80211 will not enable power save ever gain. Fix this by
adding ps-poll functionality to mac80211. When a directed tim bit is
set, mac80211 sends a ps-poll frame to the AP and checks for the more
data bit in the returned data frames.
Using ps-poll is slower than waking up with null frame, but it's saves more
power in cases where the traffic is low. Userspace can control if either
ps-poll or null wakeup method is used by enabling and disabling dynamic
power save.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Kalle Valo [Tue, 10 Feb 2009 15:09:24 +0000 (17:09 +0200)]
mac80211: remove multicast check from check_tim()
Currently mac80211 checks for the multicast tim bit from beacons,
disables power save and sends a null frame if the bit is set. This was
added to support ath9k. But this is a bit controversial because the AP will
send multicast frames immediately after the beacon and the time constraints
are really high. Relying mac80211 to be fast enough here might not be
reliable in all situations. And there's no need to send a null frame, AP
will send the frames immediately after the dtim beacon no matter what.
Also if dynamic power save is disabled (iwconfig wlan0 power timeout 0)
currently mac80211 disables power save whenever the multicast bit is set
but it's never enabled again after receiving the first multicast/broadcast
frame.
The current implementation is not usable on p54/stlc45xx and the
easiest way to fix this is to remove the multicast tim bit check
altogether. Handling multicast tim bit in host is rare, most of the
designs do this in firmware/hardware, so it's better not to have it in
mac80211. It's a lot better to do this in firmware/hardware, or if
that's not possible it could be done in the driver.
Also renamed the function to ieee80211_check_tim() to follow the style
of the file.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tobias Klauser [Mon, 9 Feb 2009 22:06:53 +0000 (23:06 +0100)]
orinoco: Storage class should be before const qualifier
The C99 specification states in section 6.11.5:
The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tobias Klauser [Mon, 9 Feb 2009 22:05:40 +0000 (23:05 +0100)]
ath5k: Storage class should be before const qualifier
The C99 specification states in section 6.11.5:
The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:26 +0000 (13:27 +0530)]
ath9k: Remove all the useless ah_ variable prefixes
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:24 +0000 (13:27 +0530)]
ath9k: Cleanup EEPROM operations
This patch removes the various function pointer
assignments and unifies them in a single ops structure.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:15 +0000 (13:27 +0530)]
ath9k: Add callbacks hooks for EEPROM operations
This is preparatory work for removing the individual
function pointer assignments in eeprom.c
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:12 +0000 (13:27 +0530)]
ath9k: Merge ath_hal and ath_hal_5416 structures
Finally, merge these structures and have a single
HW specific data structure.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:10 +0000 (13:27 +0530)]
ath9k: Remove duplicate variables
A few variables (bssid, bssidmask, curaid) were duplicated in
struct ath_softc and in ath_hal, remove them.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:08 +0000 (13:27 +0530)]
ath9k: Move regulatory information to a separate structure
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:06 +0000 (13:27 +0530)]
ath9k: Store HW version information in a separate structure
This patch moves all the HW version/revision specific
information into a separate structure.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:57:03 +0000 (13:27 +0530)]
ath9k: Remove all the sc_ prefixes
This patch removes the useless sc_ prefixes for all variables.
Also, refer to interfaces as VIFs and not as VAPs anymore.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:59:49 +0000 (13:29 +0530)]
ath9k: Convert ANI channel to a pointer
This patch converts the ANI channel reference to a pointer,
this facilitates moving struct ar5416AniState to ani.h
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 9 Feb 2009 07:56:54 +0000 (13:26 +0530)]
ath9k: Header file cleanup
Split the core header files into manageable pieces.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:17:45 +0000 (06:17 +0200)]
ath5k: Don't call reset on config_interface
* We call reset too often and this can result various PHY problems.
On config_interface we don't need to reset the whole device.
TODO: Create a function hw_fast_reset that only resets the PCU
(tx/rx stuff) and not the whole device so that we can use this for
stuck beacons etc.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:15:42 +0000 (06:15 +0200)]
ath5k: Disable BMISS interrupts
* Don't enable BMISS interrupts as we don't handle them yet
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:12:58 +0000 (06:12 +0200)]
ath5k: Update reset code
* Update reset and sync with HALs
* Clean up eeprom settings and tweaking of initvals and
put them on separate functions
* Set/Restore 32KHz ref clk operation
* Add some more documentation
TODO: Spur mitigation, tpc, half/quarter rate, compression etc
v2: Address comments from Bob and Felix and fix RSSI threshold bug
introduced on the first version of the patch
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:08:51 +0000 (06:08 +0200)]
ath5k: Update initvals
* Update initvals to match legacy and Sam's HAL
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:06:34 +0000 (06:06 +0200)]
ath5k: Update RF Buffer handling
* Use the new way to modify rf buffer and put some rf buffer
documentation on rfbufer.h
* Merge all rf regs functions to one
* Sync with legacy HAL and Sam's HAL
* Set gain_F settings so that gain_F optimization engine works
on RF5111/RF5112 (note that both HALs only use step 0 for RF5111
and they don't use gain_F optimization for this chip, code is
there but is never used)
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:03:41 +0000 (06:03 +0200)]
ath5k: Update gain_F calibration code and add documentation
* Update and cleanup rf gain optimization code
* Add comments and refferences to docs and use sane function names
* Use only step index on ath5k_gain, no need to have a pointer to
the current step since we can determine te step from it's index,
this also allows us to put all other structs on rfgain.h and cleanup
ath5k.h a little
* No need for ah_rfgain variable, we use ah_gain.g_state for everything
* Tested on RF2112B chip but gain_F calibration is not yet done
(we will finish this on the next patch where we'll rewrite rf-buffer
handling)
* Use initial rf gain settings for 2316 and 2317 SoCs introduced on a previous patch
It seems big but it's mostly cleanup, very few functional changes have been made on phy.c
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nick Kossifidis [Mon, 9 Feb 2009 04:00:34 +0000 (06:00 +0200)]
ath5k: PHY code cleanup
* Clean up initial rf buffer settings (new file rfbufer.h) and introduce a
new way to access specific rf registers (will use it later)
* Clean up initial rf gain settings by moving them on a new file (rfgain.h)
so we can later work on gain optimization functions
* Update initial rf buffer settings and initial rf gain settings from HALs.
This breaks things for now because our current dumps come from pre-configured
rf buffer (regdumps already had the needed values set from binary HAL).
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Alina Friedrichsen [Thu, 5 Feb 2009 16:58:34 +0000 (17:58 +0100)]
mac80211: Remove TSF atomic requirement from the documentation
The atomic requirement for the TSF callbacks
is outdated. get_tsf() is only called by
ieee80211_rx_bss_info() which is indirectly
called by the work queue ieee80211_sta_work().
In the same context are called several other
non-atomic functions, too.
And the atomic requirement causes problems
for drivers of USB wifi cards.
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vivek Natarajan [Thu, 5 Feb 2009 14:35:15 +0000 (20:05 +0530)]
mac80211: Fix the wrong WARN_ON message appearing on enabling power save.
This issue happens only when we are associated with a 11n AP and power save
is enabled. In the function 'ieee80211_master_start_xmit', ps_disable_work
is queued where wake_queues is called. But before this work is executed,
we check if the queues are stopped in _ieee80211_tx and return TX_AGAIN to
ieee8011_tx which leads to the warning message.
This patch fixes this erroneous case.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:58 +0000 (23:05 +0000)]
orinoco: hermes doesn't need to be a separate module
Just compile it into the orinoco module. If we merge USB support, the
module can then be split as appropriate.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:57 +0000 (23:05 +0000)]
orinoco: hermes_dld does not need to be a module
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:56 +0000 (23:05 +0000)]
orinoco: Move WEXT handlers into a separate file
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:55 +0000 (23:05 +0000)]
orinoco: Move hardware functions into separate file
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:54 +0000 (23:05 +0000)]
orinoco: Add hardware function to set multicast mode
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:53 +0000 (23:05 +0000)]
orinoco: Use accessor functions for bitrate tables
... when used by the WEXT ioctl functions. This will allow us to
separate the card specific stuff from the WEXT code.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:52 +0000 (23:05 +0000)]
orinoco: Move firmware handling into a separate file
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
David Kilroy [Wed, 4 Feb 2009 23:05:51 +0000 (23:05 +0000)]
orinoco: Move MIC helpers into new file
No functional change.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Linus Torvalds [Fri, 13 Feb 2009 16:19:11 +0000 (08:19 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: Only register AC97 bus if it's not done already
ALSA: hda - Add snd_hda_multi_out_dig_cleanup()
ALSA: hda - Add missing terminator in slave dig-out array
ALSA: hda - Change HP dv7 (103c:30f4) quirk from hp-m4 to hp-dv5 model
ALSA: hda - Register (new) devices at reconfig
ALSA: mtpav - Fix initial value for input hwport
ALSA: hda - add id for Intel IbexPeak integrated HDMI codec
ALSA: hda - compute checksum in HDMI audio infoframe
ALSA: hda - enable HDMI audio pin out at module loading time
ALSA: hda - allow multi-channel HDMI audio playback when ELD is not present
ASoC: Update SDP3430 machine driver for snd_soc_card
ALSA: hda - Add quirk for Asus z37e (1043:8284)
sound: Remove OSSlib stuff from linux/soundcard.h
ASoC: WM8990: Fix kcontrol's private value use in put callback
ASoC: TLV320AIC3X: Fix kcontrol's private value use in put callback
Serge E. Hallyn [Fri, 13 Feb 2009 14:04:21 +0000 (14:04 +0000)]
User namespaces: Only put the userns when we unhash the uid
uids in namespaces other than init don't get a sysfs entry.
For those in the init namespace, while we're waiting to remove
the sysfs entry for the uid the uid is still hashed, and
alloc_uid() may re-grab that uid without getting a new
reference to the user_ns, which we've already put in free_user
before scheduling remove_user_sysfs_dir().
Reported-and-tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Takashi Iwai [Fri, 13 Feb 2009 14:06:04 +0000 (15:06 +0100)]
Merge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 13 Feb 2009 14:05:59 +0000 (15:05 +0100)]
Merge branch 'fix/hda' into for-linus
projects / profile / ivi / kernel-x86-ivi.git / log