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- 16 Sep, 2010 4 commits
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Luis R. Rodriguez authored
This will be used by other components next. The beacon monitor was added as of 2.6.34 so these fixes are applicable only to kernels >= 2.6.34. Cc: stable@kernel.org Cc: Paul Stewart <pstew@google.com> Cc: Amod Bodas <amod.bodas@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Luis R. Rodriguez authored
Upon beacon loss we send probe requests after 30 seconds of idle time and we wait for each probe response 1/2 second. We send a total of 3 probe requests before giving up on the AP. In the case that we reset the connection idle monitor we should reset the probe requests count to 0. Right now this won't help in any way but the next patch will. This patch has fixes for stable kernel [2.6.35+]. Cc: stable@kernel.org Cc: Paul Stewart <pstew@google.com> Cc: Amod Bodas <amod.bodas@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Luis R. Rodriguez authored
This will be used in another place later. The connection monitor was added as of 2.6.35 so these fixes will be applicable to >= 2.6.35. Cc: stable@kernel.org Cc: Paul Stewart <pstew@google.com> Cc: Amod Bodas <amod.bodas@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Instead of using a WARN_ON(!mutex_is_locked()) use lockdep_assert_held() which compiles away completely when lockdep isn't enabled, and also is a more accurate assertion since it checks that the current thread is holding the mutex. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 31 Aug, 2010 2 commits
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Jouni Malinen authored
The signal strength value in a single RX frame is not that reliable, so it is better to delay start of CQM events until there is a real average signal strength from more than a single Beacon frame available. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Jouni Malinen authored
The ave_beacon_signal value uses 1/16 dB unit and as such, must be initialized with the signal level of the first Beacon frame multiplied by 16. This fixes an issue where the initial CQM events are reported incorrectly with a burst of events while the running average approaches the correct value after the incorrect initialization. This could cause user space -based roaming decision process to get quite confused at the moment when we would like to go through authentication and DHCP. Cc: stable@kernel.org Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 27 Aug, 2010 2 commits
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Johannes Berg authored
There's a lot of redundant code in mac80211's interface cleanup/down, for example freeing AP beacons is done both when the interface is set DOWN as well as when it is torn down, of which only the former has any effect. Also, a bunch of things should be closer to where they matter, like the MLME timers that we should cancel when disassociating, rather than only when the interface is set DOWN. Clean up all this code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Some vendor specified mechanisms for 802.1X-style functionality use a different protocol than EAP (even if EAP is vendor-extensible). Support this in mac80211 via the cfg80211 API for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 25 Aug, 2010 1 commit
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Joe Perches authored
Standardize logging messages from printk(KERN_<level> "%s: " fmt , wiphy_name(foo), args); to wiphy_<level>(foo, fmt, args); Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 16 Aug, 2010 3 commits
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Johannes Berg authored
Sometimes drivers have more information than the stack about how their antennas/chains are used, and may require that the SM PS mode be changed. This could happen, for example, when detecting that the user disconnected an antenna. Thus this patch introduces API to allow drivers to request SM PS mode changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Sometimes we don't just need to know whether or not the device is idle, but also per interface. This adds that reporting capability to mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Having both scan and work mutexes is not just a bit too fine grained, it also creates issues when there's code that needs both since they then need to be acquired in the right order, which can be hard to do. Therefore, use just a single mutex for both. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 29 Jul, 2010 1 commit
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Johannes Berg authored
Some features require knowing the DTIM period before associating. This implements the ability to wait for a beacon in mac80211 before assoc to provide this value. It is optional since most likely not all drivers will need this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 21 Jul, 2010 1 commit
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Johannes Berg authored
When WEP is not available, we should reject shared key authentication because it could never succeed. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 20 Jul, 2010 1 commit
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Johannes Berg authored
Ever since commit e1b3ec1a Author: Stanislaw Gruszka <sgruszka@redhat.com> Date: Mon Mar 29 12:18:34 2010 +0200 mac80211: explicitly disable/enable QoS mac80211 is telling drivers, in particular iwlwifi, whether QoS is enabled or not. However, this is only relevant for station mode, since only then will any device send nullfunc frames and need to know whether they should be QoS frames or not. In other modes, there are (currently) no frames the device is supposed to send. When you now consider virtual interfaces, it becomes apparent that the current mechanism is inadequate since it enables/disables QoS on a global scale, where for nullfunc frames it has to be on a per-interface scale. Due to the above considerations, we can change the way mac80211 advertises the QoS state to drivers to only ever advertise it as "off" in station mode, and make it a per-BSS setting. Tested-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 21 Jun, 2010 1 commit
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Juuso Oikarinen authored
This mechanism introduced in this patch applies (at least) for hardware designs using a single shared antenna for both WLAN and BT. In these designs, the antenna must be toggled between WLAN and BT. In those hardware, managing WLAN co-existence with Bluetooth requires WLAN full power save whenever there is Bluetooth activity in order for WLAN to be able to periodically relinquish the antenna to be used for BT. This is because BT can only access the shared antenna when WLAN is idle or asleep. Some hardware, for instance the wl1271, are able to indicate to the host whenever there is BT traffic. In essence, the hardware will send an indication to the host whenever there is, for example, SCO traffic or A2DP traffic, and will send another indication when the traffic is over. The hardware gets information of Bluetooth traffic via hardware co-existence control lines - these lines are used to negotiate the shared antenna ownership. The hardware will give the antenna to BT whenever WLAN is sleeping. This patch adds the interface to mac80211 to facilitate temporarily disabling of dynamic power save as per request of the WLAN driver. This interface will immediately force WLAN to full powersave, hence allowing BT coexistence as described above. In these kind of shared antenna desings, when WLAN powersave is fully disabled, Bluetooth will not work simultaneously with WLAN at all. This patch does not address that problem. This interface will not change PSM state, so if PSM is disabled it will remain so. Solving this problem requires knowledge about BT state, and is best done in user-space. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 15 Jun, 2010 2 commits
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Jouni Malinen authored
When management frame protection (IEEE 802.11w) is used, Deauthentication frame needs to be protected when the pairwise key is configured. mac80211 was removing the station entry (and its keys) before actually sending out the Deauthentication frame. Fix this by reordering the code to send the frame before the station entry gets removed. This matches an earlier change that handled the Disassociation frame processing, but missed Deauthentication frames. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Juuso Oikarinen authored
The ps-qos latency handling is broken. It uses predetermined latency values to select specific dynamic PS timeouts. With common AP configurations, these values overlap with beacon interval and are therefore essentially useless (for network latencies less than the beacon interval, PSM is disabled.) This patch remedies the problem by replacing the predetermined network latency values with one high value (1900ms) which is used to go trigger full psm. For backwards compatibility, the value 2000ms is still mapped to a dynamic ps timeout of 100ms. Currently also the mac80211 internal value for storing user space configured dynamic PSM values is incorrectly in the driver visible ieee80211_conf struct. Move it to the ieee80211_local struct. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 14 Jun, 2010 9 commits
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Juuso Oikarinen authored
There is a circular locking dependency when configuring the hardware ARP filters on association, occurring when flushing the mac80211 workqueue. This is what happens: [ 92.026800] ======================================================= [ 92.030507] [ INFO: possible circular locking dependency detected ] [ 92.030507] 2.6.34-04781-g2b2c009e #85 [ 92.030507] ------------------------------------------------------- [ 92.030507] modprobe/5225 is trying to acquire lock: [ 92.030507] ((wiphy_name(local->hw.wiphy))){+.+.+.}, at: [<ffffffff8105b5c0>] flush_workq ueue+0x0/0xb0 [ 92.030507] [ 92.030507] but task is already holding lock: [ 92.030507] (rtnl_mutex){+.+.+.}, at: [<ffffffff812b9ce2>] rtnl_lock+0x12/0x20 [ 92.030507] [ 92.030507] which lock already depends on the new lock. [ 92.030507] [ 92.030507] [ 92.030507] the existing dependency chain (in reverse order) is: [ 92.030507] [ 92.030507] -> #2 (rtnl_mutex){+.+.+.}: [ 92.030507] [<ffffffff810761fb>] lock_acquire+0xdb/0x110 [ 92.030507] [<ffffffff81341754>] mutex_lock_nested+0x44/0x300 [ 92.030507] [<ffffffff812b9ce2>] rtnl_lock+0x12/0x20 [ 92.030507] [<ffffffffa022d47c>] ieee80211_assoc_done+0x6c/0xe0 [mac80211] [ 92.030507] [<ffffffffa022f2ad>] ieee80211_work_work+0x31d/0x1280 [mac80211] [ 92.030507] -> #1 ((&local->work_work)){+.+.+.}: [ 92.030507] [<ffffffff810761fb>] lock_acquire+0xdb/0x110 [ 92.030507] [<ffffffff8105a51a>] worker_thread+0x22a/0x370 [ 92.030507] [<ffffffff8105ecc6>] kthread+0x96/0xb0 [ 92.030507] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 92.030507] [ 92.030507] -> #0 ((wiphy_name(local->hw.wiphy))){+.+.+.}: [ 92.030507] [<ffffffff81075fdc>] __lock_acquire+0x1c0c/0x1d50 [ 92.030507] [<ffffffff810761fb>] lock_acquire+0xdb/0x110 [ 92.030507] [<ffffffff8105b60e>] flush_workqueue+0x4e/0xb0 [ 92.030507] [<ffffffffa023ff7b>] ieee80211_stop_device+0x2b/0xb0 [mac80211] [ 92.030507] [<ffffffffa0231635>] ieee80211_stop+0x3e5/0x680 [mac80211] The locking in this case is quite complex. Fix the problem by rewriting the way the hardware ARP filter list is handled - i.e. make a copy of the address list to the bss_conf struct, and provide that list to the hardware driver when needed. The current patch will enable filtering also in promiscuous mode. This may need to be changed in the future. Reported-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
To prepare for making the ampdu_action callback sleep, make mac80211 always process blockack action frames from the skb queue. This gets rid of the current special case for managed mode interfaces as well. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Some code is duplicated between ibss, mesh and managed mode regarding the queueing of management frames. Since all modes now use a common skb queue and a common work function, we can pull the queueing code into the rx handler directly and remove the duplicated length checks etc. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
All the management processing functions free the skb after they are done, so this can be done in the new common code instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Even with the previous patch, IBSS, managed and mesh modes all attach their own work function to the shared work struct, which means some duplicated code. Change that to only have a frame processing function and a further work function for each of them and share some common code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
IBSS, managed and mesh modes all have their own work struct, and in the future we want to also use it in other modes to process frames from the now common skb queue. This also makes the skb queue and work safe to use from other interface types. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
IBSS, managed and mesh modes all have an skb queue, and in the future we want to also use it in other modes, so make them all use a common skb queue already. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
A number of places use RCU locking for accessing the station list, even though they do not need to. Use mutex locking instead to prepare for the locking changes I want to make. The mlme code is also using a WLAN_STA_DISASSOC flag that has the same meaning as WLAN_STA_BLOCK_BA, so use that. While doing so, combine places where we loop over stations twice, and optimise away some of the loops by checking if the hardware supports aggregation at all first. Also fix a more theoretical race condition: right now we could resume, set up an aggregation session, and right after tear it down again due to the code that is needed for hardware reconfiguration here. Also mark add a comment to that code marking it as a workaround. Finally, remove a pointless aggregation disabling loop when an interface is stopped, directly after that we remove all stations from it which will also disable all aggregation sessions that may still be active, and does so in a race-free way unlike the current loop that doesn't block new sessions. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
When in IBSS mode, currently action frame TX and RX cannot be used. Allow using it to talk to any peer, or for public action frames. Also, while at it, restructure the code in mac80211 to make it easier to add this for other interface types in the future. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 08 Jun, 2010 1 commit
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Johannes Berg authored
When we receive a deauthentication frame before having successfully associated, we neither print a message nor abort assocation. The former makes it hard to debug, while the latter later causes a warning in cfg80211 when, as will typically be the case, association timed out. This warning was reported by many, e.g. in https://bugzilla.kernel.org/show_bug.cgi?id=15981, but I couldn't initially pinpoint it. I verified the fix by hacking hostapd to send a deauth frame instead of an association response. Cc: stable@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 07 Jun, 2010 1 commit
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John W. Linville authored
"mac80211: make ARP filtering depend on CONFIG_INET" introduced this potential locking leak. Reported-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 04 Jun, 2010 2 commits
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Johannes Berg authored
Processing an association response could take a bit of time while we set up the hardware etc. During that time, the AP might already send a blockack request. If this happens very quickly on a fairly slow machine, we can end up processing the blockack request before the association processing has finished. Since the blockack processing cannot sleep right now, we also cannot make it wait in the driver. As a result, sometimes on slow machines the iwlagn driver gets totally confused, and no traffic can pass when the aggregation setup was done before the assoc setup completed. I'm working on a proper fix for this, which involves queuing all blockack category action frames from a work struct, and also allowing the ampdu_action driver callback to sleep, which will generally clean up the code and make things easier. However, this is a very involved and complex change. To fix the problem at hand in a way that can also be backported to stable, I've come up with this patch. Here, I simply process all aggregation action frames from the managed interface skb queue, which means their processing will be serialized with processing the association response, thereby fixing the problem. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
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John W. Linville authored
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 03 Jun, 2010 1 commit
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Juuso Oikarinen authored
Some hardware allow extended filtering of ARP frames not intended for the host. To perform such filtering, the hardware needs to know the current IP address(es) of the host, bound to its interface. Add support for ARP filtering to mac80211 by adding a new op to the driver interface, allowing to configure the current IP addresses. This op is called upon association with the currently configured address(es), and when associated whenever the IP address(es) change. This patch adds configuration of IPv4 addresses only, as IPv6 addresses don't need ARP filtering. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 02 Jun, 2010 2 commits
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Johannes Berg authored
When sending action frames, we want to verify that we do that on the correct channel. However, checking the channel type in addition can get in the way, since the channel type could change on the fly during an association, and it's not useful to have the channel type anyway since it has no effect on the transmission. Therefore, make it optional to specify so that if wanted, it can still be checked, but is not required. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Walter Goldens authored
Signed-off-by: Walter Goldens <goldenstranger@yahoo.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 12 May, 2010 2 commits
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Wey-Yi Guy authored
Check the mode in channel switch ie for either 0 or 1 on transmission. A channel switch mode set to 1 means that the STA in a BSS to which the frame containing the element is addressed shall transmit no further frames within the BSS until the scheduled channel switch. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This adds support for offloading the channel switch operation to devices that support such, typically by having specific firmware API for it. The reasons for this could be that the firmware provides better timing or that regulatory enforcement done by the device requires special handling of CSAs. In order to allow drivers to specify the timing to the device, the new channel_switch callback will pass through the received frame's mactime, where available. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 10 May, 2010 1 commit
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Mark Gross authored
This patch changes the string based list management to a handle base implementation to help with the hot path use of pm-qos, it also renames much of the API to use "request" as opposed to "requirement" that was used in the initial implementation. I did this because request more accurately represents what it actually does. Also, I added a string based ABI for users wanting to use a string interface. So if the user writes 0xDDDDDDDD formatted hex it will be accepted by the interface. (someone asked me for it and I don't think it hurts anything.) This patch updates some documentation input I got from Randy. Signed-off-by: markgross <mgross@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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- 07 May, 2010 2 commits
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Johannes Berg authored
Currently, when one interface switches HT mode, all others will follow along. This is clearly undesirable, since the new one might switch to no-HT while another one is operating in HT. Address this issue by keeping track of the HT mode per interface, and allowing only changes that are compatible, i.e. switching into HT40+ is not possible when another interface is in HT40-, in that case the second one needs to fall back to HT20. Also, to allow drivers to know what's going on, store the per-interface HT mode (channel type) in the virtual interface's bss_conf. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reinette Chatre authored
In https://bugzilla.kernel.org/show_bug.cgi?id=15794 a user encountered the following: [18967.469098] wlan0: authenticated [18967.472527] wlan0: associate with 00:1c:10:b8:e3:ea (try 1) [18967.472585] wlan0: deauthenticating from 00:1c:10:b8:e3:ea by local choice (reason=3) [18967.672057] wlan0: associate with 00:1c:10:b8:e3:ea (try 2) [18967.872357] wlan0: associate with 00:1c:10:b8:e3:ea (try 3) [18968.072960] wlan0: association with 00:1c:10:b8:e3:ea timed out [18968.076890] ------------[ cut here ]------------ [18968.076898] WARNING: at net/wireless/mlme.c:341 cfg80211_send_assoc_timeout+0xa8/0x140() [18968.076900] Hardware name: GX628 [18968.076924] Pid: 1408, comm: phy0 Not tainted 2.6.34-rc4-00082-g250541fc-dirty #3 [18968.076926] Call Trace: [18968.076931] [<ffffffff8103459e>] ? warn_slowpath_common+0x6e/0xb0 [18968.076934] [<ffffffff8157c2d8>] ? cfg80211_send_assoc_timeout+0xa8/0x140 [18968.076937] [<ffffffff8103ff8b>] ? mod_timer+0x10b/0x180 [18968.076940] [<ffffffff8158f0fc>] ? ieee80211_assoc_done+0xbc/0xc0 [18968.076943] [<ffffffff81590d53>] ? ieee80211_work_work+0x553/0x11c0 [18968.076945] [<ffffffff8102d931>] ? finish_task_switch+0x41/0xb0 [18968.076948] [<ffffffff81590800>] ? ieee80211_work_work+0x0/0x11c0 [18968.076951] [<ffffffff810476fb>] ? worker_thread+0x13b/0x210 [18968.076954] [<ffffffff8104b6b0>] ? autoremove_wake_function+0x0/0x30 [18968.076956] [<ffffffff810475c0>] ? worker_thread+0x0/0x210 [18968.076959] [<ffffffff8104b21e>] ? kthread+0x8e/0xa0 [18968.076962] [<ffffffff810031f4>] ? kernel_thread_helper+0x4/0x10 [18968.076964] [<ffffffff8104b190>] ? kthread+0x0/0xa0 [18968.076966] [<ffffffff810031f0>] ? kernel_thread_helper+0x0/0x10 [18968.076968] ---[ end trace 8aa6265f4b1adfe0 ]--- As explained by Johannes Berg <johannes@sipsolutions.net>: We authenticate successfully, and then userspace requests association. Then we start that process, but the AP doesn't respond. While we're still waiting for an AP response, userspace asks for a deauth. We do the deauth, but don't abort the association work. Then once the association work times out we tell cfg80211, but it no longer wants to know since for all it is concerned we accepted the deauth that also kills the association attempt. Fix this by, upon receipt of deauth request, removing the association work and continuing to send the deauth. Unfortunately the user reporting the issue is not able to reproduce this problem anymore and cannot verify this fix. This seems like a well understood issue though and I thus present the patch. Bug-identified-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 27 Apr, 2010 1 commit
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Juuso Oikarinen authored
Determine the dynamic PS timeout based on the configured ps-qos network latency. For backwards wext compatibility, allow the dynamic PS timeout configured by the cfg80211 to overrule the automatically determined value. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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