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* mac82011: Allow selection of minstrel_ht as default rc algorithmHelmut Schaa2010-06-30
| | | | | | | | | | | | | | Allow selection of minstrel_ht as default rate control algorithm. At the moment minstrel_ht can only be requested by the driver code but not selected as default in make menuconfig. Fix this by using minstrel_ht when minstrel was selected as default and minstrel_ht is available. This change won't affect legacy devices as minstrel_ht falls back to minstrel in that case. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add the minstrel_ht rate control algorithmFelix Fietkau2010-06-02
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: enhance tracingJohannes Berg2010-04-08
| | | | | | | | | | | | | Enhance tracing by adding tracing for a variety of callbacks that the drivers call, and also for internal calls (currently limited to queue status). This can aid debugging what is going on in mac80211 in interaction with drivers, since we can now see what drivers call and not just what mac80211 calls in the driver. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: give warning if building w/out rate ctrl algorithmAndres Salomon2010-03-10
| | | | | | | | | | | | | | | | | I discovered that if EMBEDDED=y, one can accidentally build a mac80211 stack and drivers w/ no rate control algorithm. For drivers like RTL8187 that don't supply their own RC algorithms, this will cause ieee80211_register_hw to fail (making the driver unusable). This will tell kconfig to provide a warning if no rate control algorithms have been selected. That'll at least warn the user; users that know that their drivers supply a rate control algorithm can safely ignore the warning, and those who don't know (or who expect to be using multiple drivers) can select a default RC algorithm. Signed-off-by: Andres Salomon <dilinger@collabora.co.uk> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove payload alignment warningKalle Valo2009-12-21
| | | | | | | | | | | | | | | | The payload alignment warning enabled by MAC80211_DEBUG_PACKET_ALIGNMENT is difficult. To fix it, a firmware change is needed but in most cases that's very difficult. So the benefit from the warning is low and most probably it just creates more confusion for people who just enable all warnings (like it did for me). Remove the unaligned IP payload warning and the kconfig option. But leave the unaligned packet warning, it will be enabled with MAC80211_VERBOSE_DEBUG. Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add MAC80211_VERBOSE_MHWMP_DEBUGRui Paulo2009-11-11
| | | | | | | | | | | Add MAC80211_VERBOSE_MHWMP_DEBUG, a debugging option for HWMP frame processing. Signed-off-by: Rui Paulo <rpaulo@gmail.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Reviewed-by: Andrey Yurovsky <andrey@cozybit.com> Tested-by: Brian Cavagnolo <brian@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: remove mac80211 rate selection extra menuLuis R. Rodriguez2009-09-02
| | | | | | | | | We can just display this upon enabling mac80211 with an 'if MAC80211 != n' check. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Move mpath and mpp growth to mesh workqueue.Javier Cardona2009-08-14
| | | | | | | | | | | | | | This prevents calling rcu_synchronize from within the tx path by moving the table growth code to the mesh workqueue. Move mesh_table_free and mesh_table_grow from mesh.c to mesh_pathtbl.c and declare them static. Also, re-enable mesh in Kconfig and update the configuration description. Signed-off-by: Javier Cardona <javier@cozybit.com> Tested-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: self-contained wext handling where possibleJohannes Berg2009-07-29
| | | | | | | | | | | | | | | | | Finally! This is what you've all been waiting for! This patch makes cfg80211 take care of wext emulation _completely_ by itself, drivers that don't need things cfg80211 doesn't do yet don't even need to be aware of wireless extensions. This means we can also clean up mac80211's and iwm's Kconfig and make it possible to build them w/o wext now! RIP wext. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: driver operation debuggingJohannes Berg2009-07-24
| | | | | | | | | | This makes mac80211 use the event tracing framework to log all operations as given to the driver. This will need to be extended with more information, but as a start it should be good. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵David S. Miller2009-07-23
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwmc3200wifi/netdev.c net/wireless/scan.c
| * mac80211: disable meshJohannes Berg2009-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | My kvm instance was complaining a lot about sleeping in atomic contexts in the mesh code, and it turns out that both mesh_path_add() and mpp_path_add() need to be able to sleep (they even use synchronize_rcu()!). I put in a might_sleep() to annotate that, but I see no way, at least right now, of actually making sure those functions are only called from process context since they are both called during TX and RX and the mesh code itself even calls them with rcu_read_lock() "held". Therefore, let's disable it completely for now. It's possible that I'm only seeing this because the hwsim's beaconing is broken and thus the peers aren't discovered right away, but it is possible that this happens even if beaconing is working, for a peer that doesn't exist or so. It should be possible to solve this by deferring the freeing of the tables to call_rcu() instead of using synchronize_rcu(), and also using atomic allocations, but maybe it makes more sense to rework the code to not call these from atomic contexts and defer more of the work to the workqueue. Right now, I can't work on either of those solutions though. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | cfg80211: implement iwpowerJohannes Berg2009-07-10
|/ | | | | | | | | Just on/off and timeout, and with a hacky cfg80211 method until we figure out what we want, though this is probably sufficient as we want to use pm_qos for wifi everywhere. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix Kconfig for users of cfg80211Johannes Berg2009-06-03
| | | | | | | | | | * iwm doesn't depend on cfg80211 or wireless extensions * rndis wlan selects cfg80211 - needs to depend * mac80211 selects cfg80211 - needs to depend Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: enable PS by defaultJohannes Berg2009-04-22
| | | | | | | | | | | | | Enable PS by default (depending on Kconfig) -- rely on drivers to control the level using pm_qos. Due to the previous patch we turn off PS when necessary due to latency requirements. This has a Kconfig symbol so people can, if they really want, configure the default in their kernels. We may want to keep it at "default y" only in wireless-testing for a while. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* MAC80211: Remove unused MAC80211_VERBOSE_SPECT_MGMT_DEBUG.Robert P. J. Day2009-04-20
| | | | | | | | | Remove this unused Kconfig variable, which Intel apparently once promised to make use of but never did. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* trivial: fix typos/grammar errors in Kconfig textsMatt LaPlante2009-03-30
| | | | | | Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* mac80211: make Minstrel the default rate control algorithmLuis R. Rodriguez2008-11-26
| | | | | | | | | | | | | This makes minstrel the default rate control algorithm for mac80211. For more information see: http://wireless.kernel.org/en/developers/Documentation/mac80211/RateControl/minstrel If someone can come up with a better algorithm they get a prize (undisclosed). Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add the 'minstrel' rate control algorithmFelix Fietkau2008-10-06
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove debug frame dumpingJohannes Berg2008-09-15
| | | | | | | | | | | You can just pull up a monitor interface to get much more detailed information, or, when debugging a driver, insert dump code into the driver (which usually you will have to do anyway to dump the driver-specific information). Hence this option is useless. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Reimplement WME using ->select_queue().David S. Miller2008-07-17
| | | | | | | | | | The only behavior change is that we do not drop packets under any circumstances. If that is absolutely needed, we could easily add it back. With cleanups and help from Johannes Berg. Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: Temporarily mark QoS support BROKEN.David S. Miller2008-07-17
| | | | | | We will undo this after a few changsets. Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Delete NETDEVICES_MULTIQUEUE kconfig option.David S. Miller2008-07-09
| | | | | | Multiple TX queue support is a core networking feature. Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: remove MAC80211_DEBUG from net/mac80211/Kconfig.Rami Rosen2008-07-08
| | | | | | | | | | This patch removes MAC80211_DEBUG from /net/mac80211/Kconfig (in MAC80211_DEBUG_COUNTERS config entry), and replaces MAC80211_DEBUG_MENU instead of MAC80211_DEBUG (in MAC80211_VERBOSE_SPECT_MGMT_DEBUG config entry). Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rework debug settings and make debugging saferJohannes Berg2008-07-02
| | | | | | | | | | | | | This patch reworks the mac80211 debug settings making them more focused and adding help text for those that didn't have one. It also removes a number of printks that can be triggered remotely and add no value, e.g. "too short deauthentication frame received - ignoring". If somebody really needs to debug that they should just add a monitor interface and look at the frames in wireshark. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* build algorithms into the mac80211 moduleAdrian Bunk2008-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old infrastructure was: - the default algorithm is built into mac80211 - other algorithms get into their own modules The implementation of this complicated scheme was horrible (just look at net/mac80211/Makefile), and anyone adding a new algorithm would most likely not get it right at his first attempt. This patch therefore builds all enabled algorithms into the mac80211 module. The user interface for the rate control algorithms changes as follows: - first the user can choose which algorithms to enable (currently only MAC80211_RC_PID is available) - if more than one algorithm is enabled (currently not possible since only one algorithm is present) the user then chooses the default one Note: - MAC80211_RC_PID is always enables for CONFIG_EMBEDDED=n Technical changes: - all selected algorithms get into the mac80211 module - net/mac80211/Makefile can now become much less complicated - support for rc80211_pid_algo.c being modular is no longer required - this includes unexporting mesh_plink_broken Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add MAC80211_VERBOSE_SPECT_MGMT_DEBUG Kconfig optionYi Zhu2008-06-30
| | | | | | | | | The patch introduces MAC80211_VERBOSE_SPECT_MGMT_DEBUG Kconfig option to suppress Spectrum Management 802.11h related debug logs. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rename TKIP debugging Kconfig symbolJohannes Berg2008-06-27
| | | | | | | ... to MAC80211_TKIP_DEBUG rather than TKIP_DEBUG. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: use multi-queue master netdeviceJohannes Berg2008-05-21
| | | | | | | | | | This patch updates mac80211 and drivers to be multi-queue aware and use that instead of the internal queue mapping. Also does a number of cleanups in various pieces of the code that fall out and reduces internal mac80211 state size. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: Fix compile error with wifi & ledsLuca Tettamanti2008-04-27
| | | | | | | | | | | | | Fix build error caused by commit e82404ad612ebabc65d15c3d59b971cb35c3ff36 ("iwlwifi: Select LEDS_CLASS.") from David Miller: Since MAC80211_LEDS is selected by wireless drivers it must select its own dependencies otherwise a build error may occur (kbuild will select the symbol regardless of "depends" constraints). Signed-off-By: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* the scheduled rc80211-simple.c removalAdrian Bunk2008-03-13
| | | | | | Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix mesh endianness sparse warnings and unmark it as brokenLuis Carlos Cobo2008-03-06
| | | | | | | | | | This patch fixes all the mesh related endianness warnings reported by sparse. As they were the reason why Johannes marked mesh as BROKEN, that flag has been removed. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: clarify mesh KconfigJohannes Berg2008-03-06
| | | | | | | | This clarifies that the mesh networking code is currently based on Draft 1.08 of the 802.11 Mesh Networking amendment. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: enable mesh in KconfigJohannes Berg2008-03-06
| | | | | | | Currently marked BROKEN because of endianness problems. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Is not EXPERIMENTAL anymoreMichael Buesch2008-02-05
| | | | | | | | Remove the EXPERIMENTAL dependency, as the existing mac80211 features are stable. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make alignment warning optionalJohannes Berg2008-02-01
| | | | | | | | | | | | | Driver authors should be aware of the alignment requirements, but not everybody cares about the warning. This patch makes it depend on a new Kconfig symbol MAC80211_DEBUG_PACKET_ALIGNMENT which can be enabled regardless of MAC80211_DEBUG and is recommended for driver authors (only). This also restricts the warning to data packets so other packets need not be realigned to not trigger the warning. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: better rate control algorithm selectionJohannes Berg2008-01-28
| | | | | | | | | | | | | | | | | | | | | | This patch changes mac80211's Kconfig/Makefile to: * select between the PID and the SIMPLE rate control algorithm as default * always allow tri-state for the rate control algorithms, building those that are selected 'y' into the mac80211 module (if that is a module, otherwise all into the kernel) * force the default rate control algorithm to be built into mac80211 It also makes both rate control algorithms proper modules again with MODULE_LICENSE etc. Only if EMBEDDED is the user allowed to select "NONE" as default which will cause no algorithm to be selected, this will work only when the driver brings one itself (e.g. iwlwifi drivers). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/mac80211/Kconfig: whitespace correctionsJohn W. Linville2008-01-28
| | | | | Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: make PID rate control algorithm the defaultStefano Brivio2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | This makes the new PID TX rate control algorithm the default instead of the rc80211_simple rate control algorithm. The simple algorithm was flawed in several ways: it wasn't responsive at all and didn't age the information it was relying on properly. The PID algorithm allows us to tune characteristics such as responsiveness by adjusting parameters and was found to generally behave better. The default algorithm can be overridden to select simple instead. Which ever algorithm is the default is included as part of the mac80211 module automatically. The other algorithm (simple vs. pid) can be selected for inclusion as well. If EMBEDDED is selected then the choice is available to have no default specified and neither algorithm included in mac80211. The default algorithm can be set through a modparam. While at it, mark rc80211-simple as deprecated, and schedule it for removal. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: add PID controller based rate control algorithmMattias Nissler2008-01-28
| | | | | | | | | | Add a new rate control algorithm based on a PID controller. It samples the percentage of failed frames over time, feeds the result into the controller and uses its output to control the TX rate. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: adding MAC80211_HT_DEBUG config variableRon Rindjunsky2008-01-28
| | | | | | | | | This patch adds MAC80211_HT_DEBUG config variable to separate HT debug features Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: fix MAC80211_RCSIMPLE KconfigJohannes Berg2007-11-11
| | | | | | | | I meant for this to be selectable only with EMBEDDED, not enabled only with EMBEDDED. This does it that way. Sorry. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make simple rate control algorithm built-inJohannes Berg2007-11-11
| | | | | | | | | | | | | | Too frequently people do not have module autoloading enabled or fail to install the rate control module correctly, hence their hardware probing fails due to no rate control algorithm being available. This makes the 'simple' algorithm built into the mac80211 module unless EMBEDDED is enabled in which case it can be disabled (eg. if the wanted driver requires another rate control algorithm.) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [MAC80211]: Add debugfs attributes.Jiri Benc2007-05-05
| | | | | | | | Export various mac80211 internal variables through debugfs. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [MAC80211]: Add mac80211 wireless stack.Jiri Benc2007-05-05
Add mac80211, the IEEE 802.11 software MAC layer. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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