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2012-09-05wext: include wireless event id when it has a size problemArend van Spriel
The wext code checks is the event data is within size limits. When this check fails a message is logged with violating size. This patch adds the event id to put us on the right track for resolving that violation. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-09-05mac80211: don't use kerneldoc for ieee80211_add_rx_radiotap_headerJohannes Berg
Doing so creates warnings, but the function is internal and not part of the 802.11 docbooks, so it from kerneldoc. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-09-05cfg80211: add kerneldoc entry for "vht_cap"Robert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-09-05cfg80211: use list_move_tail instead of list_del/list_add_tailWei Yongjun
Using list_move_tail() instead of list_del() + list_add_tail(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-09-04mac80211: Do not check for valid hw_queues for P2P_DEVICEIlan Peer
A P2P Device interface does not have a netdev, and is not expected to be used for transmitting data, so there is no need to assign hw queues for it. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-22mac80211: Fix AP mode regressionSujith Manoharan
Commit mac80211: avoid using synchronize_rcu in ieee80211_set_probe_resp changed the return value when the probe response template is not present. Revert to the earlier value of 1 - this fixes AP mode for drivers like ath9k. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-21Revert "rfkill: remove dead code"AceLan Kao
This reverts commit 2e48928d8a0f38c1b5c81eb3f1294de8a6382c68. Those functions are needed and should not be removed, or there is no way to set the rfkill led trigger name. Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: clean up ieee80211_subif_start_xmitJohannes Berg
There's no need to carry around a return value that is always NETDEV_TX_OK anyway. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: pass channel to ieee80211_send_probe_reqJohannes Berg
In multi-channel scenarios, the channel that we will transmit a probe request on isn't always the current channel (which will be NULL anyway) but will instead be the channel that the AP is on. Pass the channel to the ieee80211_send_probe_req() function so it can be used in the different scenarios. The scan code continues to pass the current channel, of course. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: convert ops checks to WARN_ONJohannes Berg
There's no need to BUG_ON when a driver registers invalid operations, warn and return an error. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: check operating channel in scanJohannes Berg
The optimisation of scanning only on the current channel should check the operating channel. Also modify it to compare channel pointer rather than the frequency. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: use RX status band instead of current bandJohannes Berg
Even for single-channel devices it is possible that we switch the channel temporarily (e.g. for scanning) but while doing so process a received frame that was still received on the old channel, so checking the current band is racy. Use the band from status instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: don't assume channel is set in tracingJohannes Berg
With the move to multi-channel and away from drv_config(), hw.conf.channel will not always be set, only for devices using the current API instead of the new channel context APIs. Check the channel is set before adding its frequency to the trace data. Also break some overly long lines in the code. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: use oper_channel in rate initJohannes Berg
Using hw.conf.channel is wrong as it could be the temporary channel if the station is added from the workqueue while the device is already on another channel. Use oper_channel instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: remove freq/chantype from debugfsJohannes Berg
You can now get these values through iw, and they conflict with multi-channel work. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: remove almost unused local variableJohannes Berg
In ieee80211_beacon_get_tim() we can use the txrc.sband instead of a separate local variable. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: mesh: don't use global channel typeJohannes Berg
Using local->_oper_channel_type in the mesh code is completely wrong as this value is the combination of the various interface channel types and can be a different value from the mesh interface in case there are multiple virtual interfaces. Use sdata->vif.bss_conf.channel_type instead as it tracks the per-vif channel type. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: simplify buffers in aes_128_cmac_vectorJohannes Berg
There's no need to use a single scratch buffer and calculate offsets into it, just use two separate buffers for the separate variables. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211_hwsim: add support for P2P DeviceJohannes Berg
Advertise support for P2P Device in hwsim to be able to test it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: add IEEE80211_HW_P2P_DEV_ADDR_FOR_INTFJohannes Berg
Some devices like the current iwlwifi implementation require that the P2P interface address match the P2P Device address (only one P2P interface is supported.) Add the HW flag IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF that allows drivers to request that P2P Interfaces added while a P2P Device is active get the same MAC address by default. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: support P2P Device abstractionJohannes Berg
After cfg80211 got a P2P Device abstraction, add support to mac80211. Whether it really is supported or not will depend on whether or not the driver has support for it, but mac80211 needs to change to be able to support drivers that need a P2P Device. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20cfg80211: add P2P Device abstractionJohannes Berg
In order to support using a different MAC address for the P2P Device address we must first have a P2P Device abstraction that can be assigned a MAC address. This abstraction will also be useful to support offloading P2P operations to the device, e.g. periodic listen for discoverability. Currently, the driver is responsible for assigning a MAC address to the P2P Device, but this could be changed by allowing a MAC address to be given to the NEW_INTERFACE command. As it has no associated netdev, a P2P Device can only be identified by its wdev identifier but the previous patches allowed using the wdev identifier in various APIs, e.g. remain-on-channel. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: make ieee80211_beacon_connection_loss_work staticJohannes Berg
There's no need to declare the function in the header file since it's only used in a single place, so make it static. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: check size of channel switch IE when parsingJohannes Berg
The channel switch IE has a fixed size, so we can discard it in parsing if it's not the right size and use the right struct pointer. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: fix CSA handling timerJohannes Berg
The time until the channel switch is in TU, not in milliseconds, so use TU_TO_EXP_TIME() to correctly program the timer. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: clean up CSA handling codeJohannes Berg
Clean up the CSA handling code by moving some of it out of the if and using a C99 initializer for the struct passed to the driver method. While at it, also add a comment that we should wait for a beacon after switching the channel. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: remove unneeded 'bssid' variableJohannes Berg
There's no need to copy the BSSID just to print it, remove the unnecessary variable. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: support A-MPDU status reportingJohannes Berg
Support getting A-MPDU status information from the drivers and reporting it to userspace via radiotap in the standard fields. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20wireless: add radiotap A-MPDU status fieldJohannes Berg
Define the A-MPDU status field in radiotap, also update the radiotap parser for it and the MCS field that was apparently missed last time. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: add supported rates change notification in IBSSAntonio Quartulli
In IBSS it is possible that the supported rates set for a station changes over time (e.g. it gets first initialised as an empty set because of no available information about rates and updated later). In this case the driver has to be notified about the change in order to update its internal table accordingly (if needed). This behaviour is needed by all those drivers that handle rc internally but leave stations management to mac80211 Reported-by: Gui Iribarren <gui@altermundi.net> Signed-off-by: Antonio Quartulli <ordex@autistici.org> [Johannes - add docs, validate IBSS mode only, fix compilation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: clean up mpath_move_to_queue()Thomas Pedersen
Use skb_queue_walk_safe instead, and fix a few issues: - didn't free old skbs on moving - didn't react to failed skb alloc - needlessly held a local pointer to the destination frame queue - didn't check destination queue length before adding skb Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: use skb_queue_walk() in mesh_path_assign_nexthopThomas Pedersen
Since all we really want is just to iterate over all skbs, do just that and avoid (de)queueing to a clusmy tmpq. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-20mac80211: avoid using synchronize_rcu in ieee80211_set_probe_respEyal Shapira
This could take a while (100ms+) and may delay sending assoc resp in AP mode with WPS or P2P GO (as setting the probe resp takes place there). We've encountered situations where the delay was big enough to cause connection problems with devices like Galaxy Nexus. Switch to using call_rcu with a free handler. [Arik - rework to use plain buffer and instead of skb] Signed-off-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: skb leak in mesh_plink_frame_tx()Thomas Pedersen
Although adding an IE is almost guaranteed to succeed since we already accounted for its length while allocating the skb, we should still free the skb in case of failure. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: don't request ack for peering closeThomas Pedersen
It doesn't make a lot of sense to wait for an ack in response to a peering close frame since either peer in this exchange could be going down. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: remove ieee80211_clean_sdata()Thomas Pedersen
This function was only used by mesh, and not really needed since any interface-specific cleanup already happens in the netdev handlers. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: improve cleanup when leaving meshThomas Pedersen
It is not necessary to stop the mesh beacon in the mac80211 ndo_stop handler, since cfg80211 has already left the mesh on NETDEV_GOING_DOWN notification. Also some improvements to ieee80211_stop_mesh(): - flush mpath entries. - flush sta entries per-sdata so we don't remove entries belonging to other vifs on the same hw. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-01mac80211: reset station MLME flags upon new associationJohannes Berg
When associating anew, the old station MLME flags should be cleared. The only exception is the 40 MHz disable flag as it might have been set while the channel was set in a previous authentication attempt so it needs to be kept intact. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use eth_broadcast_addrJohannes Berg
Instead of memset(). Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: enable WDS carrier only after adding stationJohannes Berg
Enable the carrier on WDS type interfaces only after having added the station entry for the WDS peer so outgoing frames will find it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: manage carrier state in meshJohannes Berg
Instead of assuming the carrier is on all the time in mesh manage it with joining and leaving the mesh. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use correct channel in TXJohannes Berg
Since we only need the band, remove the channel pointer from struct ieee80211_tx_data and also assign it properly, depending on context, to the correct operating or current channel. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: fix current vs. operating channel in preq/beaconJohannes Berg
When sending probe requests, e.g. during software scanning, these will go out on the *current* channel, so their IEs need to be built from the current channel. At other times, e.g. for beacons or probe request templates, the IEs will be used on the *operating* channel and using the current channel instead might result in errors. Add the appropriate parameters to respect the difference. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use oper_channel in utils and configJohannes Berg
Using hw.conf.channel is wrong as it could be the temporary channel if any function like the beacon get function is called while scanning or during other temporary out-of-channel activities. Use oper_channel instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use oper_channel in managed mlmeJohannes Berg
Using hw.conf.channel is wrong as it could be the temporary channel if any function like the beacon get function is called while scanning or during other temporary out-of-channel activities. Use oper_channel instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use oper_channel in ibssJohannes Berg
Using hw.conf.channel is wrong as it could be the temporary channel if any function like the beacon get function is called while scanning or during other temporary out-of-channel activities. Use oper_channel instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: use oper_channel in meshJohannes Berg
Using hw.conf.channel is wrong as it could be the temporary channel if any function like the beacon get function is called while scanning or during other temporary out-of-channel activities. Use oper_channel instead. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: set channel only once during auth/assocJohannes Berg
There's no need to set up the channel during auth and again during assoc, just do it once. Currently this doesn't result in any changes since calling hw_config() with an unchanged channel will return early, but with the channel context work this has an impact on channel context assignment. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: rename sta to new_staJohannes Berg
In ieee80211_prep_connection(), the station (if not NULL) is the new station (representing the AP) that needs to be added. Rename the variable to "new_sta" to clarify this. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: supress HT/VHT disable if not supportedJohannes Berg
If HT/VHT isn't supported by us we shouldn't print a message that we disabled it, do that only if the AP didn't support WMM and we therefore disable it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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