- 23 6月, 2014 1 次提交
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由 Johannes Berg 提交于
Since WEP is practically dead, there seems very little point in keeping WEP weak IV accounting. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 05 2月, 2014 1 次提交
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由 Johannes Berg 提交于
Initialize the buffer to all zeroes, otherwise the stack data might be interpreted as the TID, which is likely to fail completely. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 02 12月, 2013 1 次提交
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由 Matti Gottlieb 提交于
Measure TX latency and jitter statistics per station per TID. These Measurements are disabled by default and can be enabled via debugfs. Features included for each station's TID: 1. Keep count of the maximum and average latency of Tx frames. 2. Keep track of many frames arrived in a specific time range (need to enable through debugfs and configure the bins ranges) Signed-off-by: NMatti Gottlieb <matti.gottlieb@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 01 8月, 2013 1 次提交
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由 Johannes Berg 提交于
Add a per-station debugfs file indicating the TIDs (as a bitmap) that the driver has data buffered on. Reviewed-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 08 4月, 2013 1 次提交
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由 Ben Greear 提交于
Beacon-timeout and number of beacon loss events. Signed-off-by: NBen Greear <greearb@candelatech.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 06 3月, 2013 1 次提交
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由 Johannes Berg 提交于
Add a new debugfs file to view a station's VHT capabilities. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 05 2月, 2013 1 次提交
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由 Marco Porsch 提交于
Add routines to - maintain a PS mode for each peer and a non-peer PS mode - indicate own PS mode in transmitted frames - track neighbor STAs power modes - buffer frames when neighbors are in PS mode - add TIM and Awake Window IE to beacons - release frames in Mesh Peer Service Periods Add local_pm to sta_info to represent the link-specific power mode at this station towards the remote station. When a peer link is established, use the default power mode stored in mesh config. Update the PS status if the peering status of a neighbor changes. Maintain a mesh power mode for non-peer mesh STAs. Set the non-peer power mode to active mode during peering. Authenticated mesh peering is currently not working when either node is configured to be in power save mode. Indicate the current power mode in transmitted frames. Use QoS Nulls to indicate mesh power mode transitions. For performance reasons, calls to the function setting the frame flags are placed in HWMP routing routines, as there the STA pointer is already available. Add peer_pm to sta_info to represent the peer's link-specific power mode towards the local station. Add nonpeer_pm to represent the peer's power mode towards all non-peer stations. Track power modes based on received frames. Add the ps_data structure to ieee80211_if_mesh (for TIM map, PS neighbor counter and group-addressed frame buffer). Set WLAN_STA_PS flag for STA in PS mode to use the unicast frame buffering routines in the tx path. Update num_sta_ps to buffer and release group-addressed frames after DTIM beacons. Announce the awake window duration in beacons if in light or deep sleep mode towards any peer or non-peer. Create a TIM IE similarly to AP mode and add it to mesh beacons. Parse received Awake Window IEs and check TIM IEs for buffered frames. Release frames towards peers in mesh Peer Service Periods. Use the corresponding trigger frames and monitor the MPSP status. Append a QoS Null as trigger frame if neccessary to properly end the MPSP. Currently, in HT channels MPSPs behave imperfectly and show large delay spikes and frame losses. Signed-off-by: NMarco Porsch <marco@cozybit.com> Signed-off-by: NIvan Bezyazychnyy <ivan.bezyazychnyy@gmail.com> Signed-off-by: NMike Krinkin <krinkin.m.u@gmail.com> Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 12 12月, 2012 1 次提交
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由 Abhijit Pawar 提交于
This patch removes the redundant occurences of simple_strto<foo> Signed-off-by: NAbhijit Pawar <abhi.c.pawar@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 12月, 2012 1 次提交
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由 Abhijit Pawar 提交于
This patch replace the obsolete simple_strto<foo> with kstrto<foo> Signed-off-by: NAbhijit Pawar <abhi.c.pawar@gmail.com> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 11月, 2012 3 次提交
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由 Saravana 提交于
Add a debugfs file showing the rate at which the last packet is received. Signed-off-by: NSaravana <saravanad@posedge.com> [fix whitespace] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Saravana 提交于
Add a debugfs file showing the current tx rate. The information available in the rc_stats file doesn't evidently provides us the current tx rate. This patch adds the support for the same. Signed-off-by: NSaravana <saravanad@posedge.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Saravana 提交于
Add a debugfs file showing the signal strength of the ack frame that is received for the currently sent tx packet Signed-off-by: NSaravana <saravanad@posedge.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 21 11月, 2012 1 次提交
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由 Sujith Manoharan 提交于
Provide drivers with hooks to create debugfs files when a new station is added. This would help drivers to take advantage of mac80211's station list infrastructure and not maintain tedious station management code internally. Signed-off-by: NSujith Manoharan <c_manoha@qca.qualcomm.com> [ifdef inline wrapper functions] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 19 11月, 2012 1 次提交
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由 Johannes Berg 提交于
Introduce IEEE80211_NUM_TIDS in the generic 802.11 header file and use it in place of STA_TID_NUM and NUM_RX_DATA_QUEUES which are both really the number of TIDs. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 11 4月, 2012 1 次提交
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由 Javier Cardona 提交于
This patch adds MBSS extensible synchronization framework (Sec. 13.13.2 of IEEE Std. 802.11-2012). The framework is implemented via an ops table which defines the following functions: rx_bcn_presp() - this is called every time a mesh beacon is received. adjust_tbtt() - this is called immediately before a beacon is about to be transmitted. The default neighbor offset synchronization defined in the standard is implemented. We also provide template functions for vendor specific methods. When neighbor offset synchronization is active (which is the default) mesh neighbors in the same MBSS will track timing offsets to each other and compensate clock drift. In our tests we observed that this mesh synchronization implementation successfully corrected drifts between stations of ~2PPM while introducing a jitter of ~20us. It is also possible to test this framework on mac80211_hwsim simulated phys to see how it behaves under different topologies, over poor links, etc. Signed-off-by: NMarco Porsch <marco.porsch@s2005.tu-chemnitz.de> Signed-off-by: NPavel Zubarev <pavel.zubarev@gmail.com> Signed-off-by: NJavier Cardona <javier@cozybit.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 06 4月, 2012 1 次提交
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由 Stephen Boyd 提交于
Many users of debugfs copy the implementation of default_open() when they want to support a custom read/write function op. This leads to a proliferation of the default_open() implementation across the entire tree. Now that the common implementation has been consolidated into libfs we can replace all the users of this function with simple_open(). This replacement was done with the following semantic patch: <smpl> @ open @ identifier open_f != simple_open; identifier i, f; @@ -int open_f(struct inode *i, struct file *f) -{ ( -if (i->i_private) -f->private_data = i->i_private; | -f->private_data = i->i_private; ) -return 0; -} @ has_open depends on open @ identifier fops; identifier open.open_f; @@ struct file_operations fops = { ... -.open = open_f, +.open = simple_open, ... }; </smpl> [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 16 2月, 2012 1 次提交
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由 Johannes Berg 提交于
There are situations where we don't have the necessary rate control information yet for station entries, e.g. when associating. This currently doesn't really happen due to the dummy station handling; explicitly disabling rate control when it's not initialised will allow us to remove dummy stations. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 07 2月, 2012 1 次提交
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由 Johannes Berg 提交于
There are situations where we don't have the necessary rate control information yet for station entries, e.g. when associating. This currently doesn't really happen due to the dummy station handling; explicitly disabling rate control when it's not initialised will allow us to remove dummy stations. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 31 1月, 2012 1 次提交
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由 Johannes Berg 提交于
In the future, when we start notifying drivers, state transitions could potentially fail. To make it easier to distinguish between programming bugs and driver failures: * rename sta_info_move_state() to sta_info_pre_move_state() which can only be called before the station is inserted (and check this with a new station flag). * rename sta_info_move_state_checked() to just plain sta_info_move_state(), as it will be the regular function that can fail for more than just one reason (bad transition or an error from the driver) This makes the programming model easier -- one of the functions can only be called before insertion and can't fail, the other can fail. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 22 11月, 2011 2 次提交
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由 Johannes Berg 提交于
WLAN_STA_ASSOC_AP indicates that the station entry is for an AP we're associated to but isn't used so remove it. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Ben Greear 提交于
It was flipped. See section 7.3.2.56 of the 802.11n spec for details. Signed-off-by: NBen Greear <greearb@candelatech.com> Acked-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 01 10月, 2011 3 次提交
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由 Johannes Berg 提交于
My work and some previous work didn't add all the flags, add them now and while at it simplify the code. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
The flaglock in struct sta_info has long been something that I wanted to get rid of, this finally does the conversion to atomic bitops. The conversion itself is straight-forward in most places, a few things needed to change a bit since we can no longer use multiple bits at the same time. On x86-64, this is a fairly significant code size reduction: text data bss dec hex 427861 23648 1008 452517 6e7a5 before 425383 23648 976 450007 6ddd7 after Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
For uAPSD support we'll need to have per-AC PS buffers. As this is a major undertaking, split the buffers before really adding support for uAPSD. This already makes some reference to the uapsd_queues variable, but for now that will never be non-zero. Since book-keeping is complicated, also change the logic for keeping a maximum of frames only and allow 64 frames per AC (up from 128 for a station). Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 20 4月, 2011 1 次提交
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由 Randy Dunlap 提交于
Fix printf() format warning (tm_year is long int): net/mac80211/debugfs_sta.c:113: warning: format '%d' expects type 'int', but argument 4 has type 'long int' Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 13 4月, 2011 1 次提交
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由 Mohammed Shafi Shajakhan 提交于
Add station connected time in debugfs. This will be helpful to get a measure of stability of the connection and for debugging stress issues Cc: Senthilkumar Balasubramanian <Senthilkumar.Balasubramanian@Atheros.com> Signed-off-by: NMohammed Shafi Shajakhan <mshajakhan@atheros.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 16 12月, 2010 1 次提交
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由 Sujith Manoharan 提交于
Allow drivers or rate control algorithms to specify BlockAck session timeout when initiating an ADDBA transaction. This is useful in cases where maintaining persistent BA sessions does not incur any overhead. The current timeout value of 5000 TUs is retained for all non ath9k/ath9k_htc drivers. Signed-off-by: NSujith Manoharan <Sujith.Manoharan@atheros.com> Reviewed-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 30 11月, 2010 1 次提交
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由 Johannes Berg 提交于
The RX aggregation locking documentation was wrong, which led Christian to also code the timer timeout handling for it somewhat wrongly. Fix the documentation, the two places that need to hold the reorder lock across accesses to the structure, and the debugfs code that should just use RCU. Also, remove acquiring the sta->lock across reorder timeouts since it isn't necessary, and change a few places to GFP_KERNEL because the code path here doesn't need atomic allocations as I noticed when reviewing all this. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Acked-by: NChristian Lamparter <chunkeey@googlemail.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 16 11月, 2010 1 次提交
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由 Eliad Peller 提交于
refactor mac80211 debugfs code by using a format© function, instead of duplicating the code for each generated function. this change reduces about 600B from mac80211.ko Signed-off-by: NEliad Peller <eliad@wizery.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 07 10月, 2010 1 次提交
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由 Johannes Berg 提交于
When roaming while we have active BA session, we can end up transmitting delBA frames to the old AP while we're already on the new AP's channel, which can cause warnings. Simply avoid sending those frames, but still tear down the internal session state, since they are not really necessary anyway as we will implicitly disassociate when sending the association to the new AP. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Acked-by: NLuis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 28 9月, 2010 1 次提交
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由 Ben Greear 提交于
Create 'stations' sub-directory under each netdev:[vif-name] directory to hold all stations for that network device. Signed-off-by: NBen Greear <greearb@candelatech.com> Acked-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 16 9月, 2010 1 次提交
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由 Arnd Bergmann 提交于
The default llseek operation is changing from default_llseek to no_llseek, so all code relying on the current behaviour needs to make that explicit. The wireless driver infrastructure and some of the drivers make use of generated debugfs files, so they cannot be converted by our script that automatically determines the right operation. All these files use debugfs and they typically rely on simple_read_from_buffer, so the best llseek operation here is generic_file_llseek. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org
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- 15 6月, 2010 3 次提交
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由 Johannes Berg 提交于
When the driver or rate control requests starting or stopping an aggregation session, that currently causes a direct callback into the driver, which could potentially cause locking problems. Also, the functions need to be callable from contexts that cannot sleep, and thus will interfere with making the ampdu_action callback sleeping. To address these issues, add a new work item for each station that will process any start or stop requests out of line. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
Currently we allocate some memory for each TX aggregation session and additionally keep a state bitmap indicating the state it is in. By using RCU to protect the pointer, moving the state into the structure and some locking trickery we can avoid locking when the TX agg session is fully operational. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
Currently we allocate some memory for each RX aggregation session and additionally keep a flag indicating whether or not it is valid. By using RCU to protect the pointer and making sure that the memory is fully set up before it becomes visible to the RX path, we can remove the need for the bool that indicates validity, as well as for locking on the RX path since it is always synchronised against itself, and we can guarantee that all other modifications are done when the structure is not visible to the RX path. The net result is that since we remove locking requirements from the RX path, we can in the future use any kind of lock for the setup and teardown code paths. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 04 6月, 2010 2 次提交
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由 Felix Fietkau 提交于
This patch reduces the binary size by around 25k (measured on MIPS, with CONFIG_MAC80211_DEBUG_COUNTERS enabled). Signed-off-by: NFelix Fietkau <nbd@openwrt.org> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
There's no sense in letting anything but internal mac80211 functions set the initiator to anything but WLAN_BACK_INITIATOR, since WLAN_BACK_RECIPIENT is only valid when we have received a frame from the peer, which we react to directly in mac80211. The debugfs code I recently added got this wrong as well. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 04 5月, 2010 1 次提交
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由 Johannes Berg 提交于
This allows enabling TX and disabling both TX and RX aggregation sessions manually in debugfs. It is very useful for debugging session initiation and teardown problems since with this you don't have to force a lot of traffic to get aggregation and thus have less data to analyse. Also, to debug mac80211 code itself, make hwsim "support" aggregation sessions. It will still just transfer the frame, but go through the setup and teardown handshakes. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 10 4月, 2010 1 次提交
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由 Luis R. Rodriguez 提交于
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 08 4月, 2010 1 次提交
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由 Johannes Berg 提交于
The aggregation code has a number of quirks, like inventing an unneeded WLAN_BACK_TIMER value and leaking memory under certain circumstances during station destruction. Fix these issues by using the regular aggregation session teardown code and blocking new aggregation sessions, all before the station is really destructed. As a side effect, this gets rid of the long code block to destroy aggregation safely. Additionally, rename tid_state_rx which can only have the values IDLE and OPERATIONAL to tid_active_rx to make it easier to understand that there is no bitwise stuff going on on the RX side -- the TX side remains because it needs to keep track of the driver and peer states. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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