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* mac80211: handle MMPDUs at EOSP correctlyJohannes Berg2014-01-101-0/+5
| | | | | | | | | | | | | If a uAPSD service period ends with an MMPDU, we currently just send that MMPDU, but it obviously won't get the EOSP bit set as it doesn't have a QoS header. This contradicts the standard, so add a QoS-nulldata frame after the MMPDU to properly terminate the service period with a frame that has EOSP set. Also fix a bug wrt. the TID for the MMPDU, it shouldn't be set to 0 unconditionally but use the actual TID that was assigned. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: remove channel_change_timeJohannes Berg2014-01-071-3/+0
| | | | | | | This value is no longer used by mac80211, and practically no driver ever set it to a correct value anyway, so remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add helper functions for tracking P2P NoA stateFelix Fietkau2013-12-191-0/+47
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: let the driver reserve extra tailroom in beaconsFelix Fietkau2013-12-161-0/+4
| | | | | | | | Can be used to add extra IEs (such as P2P NoA) without having to reallocate the buffer. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add pre-RCU-sync sta removal driver operationJohannes Berg2013-12-161-2/+19
| | | | | | | | | | | | | | | | | | | | | | | Currently, mac80211 allows drivers to keep RCU-protected station references that are cleared when the station is removed from the driver and consequently needs to synchronize twice, once before removing the station from the driver (so it can guarantee that the station is no longer used in TX towards the driver) and once after the station is removed from the driver. Add a new pre-RCU-synchronisation station removal operation to the API to allow drivers to clear/invalidate their RCU-protected station pointers before the RCU synchronisation. This will allow removing the second synchronisation by changing the driver API so that the driver may no longer assume a valid RCU-protected pointer after sta_remove/sta_state returns. The alternative to this would be to synchronize_rcu() in all the drivers that currently rely on this behaviour (only iwlmvm) but that would defeat the purpose. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: vendor command supportJohannes Berg2013-12-031-0/+13
| | | | | | | | | | | | | | | | | Add support for vendor-specific commands to nl80211. This is intended to be used for really vendor-specific functionality that can't be implemented in a generic fashion for any reason. It's *NOT* intended to be used for any normal/generic feature or any optimisations that could be implemented across drivers. Currently, only vendor commands (with replies) are supported, no dump operations or vendor-specific notifications. Also add a function wdev_to_ieee80211_vif() to mac80211 which is needed for mac80211-based drivers wanting to implement any vendor commands. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Revert "mac80211: add driver callback for per-interface multicast filter"Johannes Berg2013-12-031-7/+0
| | | | | | | | | This reverts commit 488b366a452934141959384c7a1b52b22d6154ef. The code isn't used by anyone, and the Intel driver isn't planning to use it either right now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add min required channel definition fieldEliad Peller2013-11-251-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new field to ieee80211_chanctx_conf to indicate the min required channel configuration. Tuning to a narrower channel might help reducing the noise level and saving some power. The min required channel definition is the max of all min required channel definitions of the interfaces bound to this channel context. In AP mode, use 20MHz when there are no connected station. When a new station is added/removed, calculate the new max bandwidth supported by any of the stations (e.g. 80MHz when 80MHz and 40MHz stations are connected). In other cases, simply use bss_conf.chandef as the min required chandef. Notify drivers about changes to this field by calling drv_change_chanctx with a new CHANGE_MIN_WIDTH notification. Signed-off-by: Eliad Peller <eliad@wizery.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add generic cipher scheme supportMax Stepanov2013-11-251-0/+36
| | | | | | | | | | | | This adds generic cipher scheme support to mac80211, such schemes are fully under control by the driver. On hw registration drivers may specify additional HW ciphers with a scheme how these ciphers have to be handled by mac80211 TX/RR. A cipher scheme specifies a cipher suite value, a size of the security header to be added to or stripped from frames and how the PN is to be verified on RX. Signed-off-by: Max Stepanov <Max.Stepanov@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add ieee80211_tx_prepare_skb() helper functionFelix Fietkau2013-10-281-0/+14
| | | | | | | | | | | | This can be used by a driver to prepare skbs for transmission, which were obtained via functions such as ieee80211_probereq_get or ieee80211_nullfunc_get. This is useful for drivers that want to send those frames directly, but need rate control information to be prepared first. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add missing IEEE80211_HW_SUPPORTS_HT_CCK_RATES docsJohannes Berg2013-10-281-0/+4
| | | | | | | Document the IEEE80211_HW_SUPPORTS_HT_CCK_RATES flag. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: implement STA CSA for drivers using channel contextsArik Nemtsov2013-10-021-0/+6
| | | | | | | | | | | | | | Limit the current implementation to a single channel context used by a single vif, thereby avoiding multi-vif/channel complexities. Reuse the main function from AP CSA code, but move a portion out in order to fit the STA scenario. Add a new mac80211 HW flag so we don't break devices that don't support channel switch with channel-contexts. The new behavior will be opt-in. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: support reporting A-MSDU subframes individuallyMichal Kazior2013-10-011-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | Some devices may not be able to report A-MSDUs in single buffers. Drivers for such devices were forced to re-assemble A-MSDUs which would then be eventually disassembled by mac80211. This could lead to CPU cache thrashing and poor performance. Since A-MSDU has a single sequence number all subframes share it. This was in conflict with retransmission/duplication recovery (IEEE802.11-2012: 9.3.2.10). Patch introduces a new flag that is meant to be set for all individually reported A-MSDU subframes except the last one. This ensures the last_seq_ctrl is updated after the last subframe is processed. If an A-MSDU is actually a duplicate transmission all reported subframes will be properly discarded. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> [johannes: add braces that were missing even before] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add explicit IBSS driver operationsJohannes Berg2013-10-011-0/+7
| | | | | | | | | This can be useful for drivers if they have any failure cases when joining an IBSS. Also move setting the queue parameters to before this new call, in case the new driver op needs them already. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add ieee80211_iterate_active_interfaces_rtnl()Johannes Berg2013-09-261-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | If it is needed to disconnect multiple virtual interfaces after (WoWLAN-) suspend, the most obvious approach would be to iterate all interfaces by calling ieee80211_iterate_active_interfaces() and then call ieee80211_resume_disconnect() for each one. This is what the iwlmvm driver does. Unfortunately, this causes a locking dependency from mac80211's iflist_mtx to the key_mtx. This is problematic as the former is intentionally never held while calling any driver operation to allow drivers to iterate with their own locks held. The key_mtx is held while installing a key into the driver though, so this new lock dependency means drivers implementing the logic above can no longer hold their own lock while iterating. To fix this, add a new ieee80211_iterate_active_interfaces_rtnl() function that iterates while the RTNL is already held. This is true during suspend/resume, so that then the locking dependency isn't introduced. While at it, also refactor the various interface iterators and keep only a single implementation called by the various cases. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge branch 'master' of ↵John W. Linville2013-08-291-6/+104
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/wireless/iwlwifi/pcie/trans.c
| * Merge branch 'master' of ↵John W. Linville2013-08-281-0/+1
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/iwlwifi/pcie/trans.c net/mac80211/ibss.c
| | * mac80211: add a flag to indicate CCK support for HT clientsFelix Fietkau2013-08-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | brcm80211 cannot handle sending frames with CCK rates as part of an A-MPDU session. Other drivers may have issues too. Set the flag in all drivers that have been tested with CCK rates. This fixes a reported brcmsmac regression introduced in commit ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6 "mac80211/minstrel_ht: fix cck rate sampling" Cc: stable@vger.kernel.org # 3.10 Reported-by: Tom Gundersen <teg@jklm.no> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | mac80211: add APIs to allow keeping connections after WoWLANJohannes Berg2013-08-161-0/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to be able to (securely) keep connections alive after the system was suspended for WoWLAN, we need some additional APIs. We already have API (ieee80211_gtk_rekey_notify) to tell wpa_supplicant about the new replay counter if GTK rekeying was done by the device while the host was asleep, but that's not sufficient. If GTK rekeying wasn't done, we need to tell the host about sequence counters for the GTK (and PTK regardless of rekeying) that was used while asleep, add ieee80211_set_key_rx_seq() for that. If GTK rekeying was done, then we need to be able to disable the old keys (with ieee80211_remove_key()) and allocate the new GTK key(s) in mac80211 (with ieee80211_gtk_rekey_add()). If protocol offload (e.g. ARP) is implemented, then also the TX sequence counter for the PTK must be updated, using the new ieee80211_set_key_tx_seq() function. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | mac80211: add vif to testmode cmdDavid Spinadel2013-08-121-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | Pass the wdev from cfg80211 on to the driver as the vif if given and it's valid for the driver. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | mac80211: add control port protocol TX control flagJohannes Berg2013-08-121-3/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A lot of drivers check the frame protocol for ETH_P_PAE, for various reasons (like making those more reliable). Add a new flags bitmap to the TX control info and a new flag indicating the control port protocol is in use to let all drivers also apply such logic to other control port protocols, should they be configured. Also use the new flag in the iwlwifi drivers. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | Merge branch 'master' of ↵John W. Linville2013-08-121-12/+55
|\ \ \ | |/ / | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/ethernet/broadcom/Kconfig
| * | mac80211: add channel switch command and beacon callbacksSimon Wunderlich2013-08-011-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The count field in CSA must be decremented with each beacon transmitted. This patch implements the functionality for drivers using ieee80211_beacon_get(). Other drivers must call back manually after reaching count == 0. This patch also contains the handling and finish worker for the channel switch command, and mac80211/chanctx code to allow to change a channel definition of an active channel context. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> [small cleanups, catch identical chandef] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | mac80211: add radiotap flag and handling for 5/10 MHzSimon Wunderlich2013-07-161-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wireshark already defines radiotap channel flags for 5 and 10 MHz, so just use them in Linux radiotap too. Furthermore, add rx status flags to allow drivers to report when they received data on 5 or 10 MHz channels. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
| * | mac80211/rc80211: add chandef to rate initializationSimon Wunderlich2013-07-161-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | 5 and 10 MHz support needs to know the current operating channel width, add the chandef to the rate control API. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
| * | wireless: indent kernel-doc with tabsJohannes Berg2013-07-161-12/+12
| |/ | | | | | | | | | | | | Almost everywhere tabs are used to indent continuation lines, replace the few places that use spaces. Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
* | cfg80211.h/mac80211.h: Remove extern from function prototypesJoe Perches2013-07-311-8/+8
|/ | | | | | | | | | | | | | | There are a mix of function prototypes with and without extern in the kernel sources. Standardize on not using extern for function prototypes. Function prototypes don't need to be written with extern. extern is assumed by the compiler. Its use is as unnecessary as using auto to declare automatic/local variables in a block. Reflow modified prototypes to 80 columns. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: track AP's beacon rate and give it to the driverAlexander Bondar2013-06-131-0/+2
| | | | | | | | | | Track the AP's beacon rate in the scan BSS data and in the interface configuration to let the drivers know which rate the AP is using. This information may be used by drivers, in our case to let the firmware optimise beacon RX. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: Use suitable semantics for beacon availability indicationAlexander Bondar2013-06-051-4/+4
| | | | | | | | | | | | | | Currently beacon availability upon association is marked by have_beacon flag of assoc_data structure that becomes unavailable when association completes. However beacon availability indication is required also after association to inform a driver. Currently dtim_period parameter is used for this purpose. Move have_beacon flag to another structure, persistant throughout a interface's life cycle. Use suitable sematics for beacon availability indication. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> [fix another instance of BSS_CHANGED_DTIM_PERIOD in docs] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add a tx control flag to indicate PS-Poll/uAPSD responseFelix Fietkau2013-06-041-0/+3
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge remote-tracking branch 'mac80211/master' into mac80211-nextJohannes Berg2013-05-251-4/+8
|\
| * mac80211: fix spurious RCU warning and update documentationFelix Fietkau2013-05-161-4/+8
| | | | | | | | | | | | | | Document rx vs tx status concurrency requirements. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | mac80211: add STBC flag for radiotapOleksij Rempel2013-05-241-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Some chips can tell us if received frame was encoded with STBC or not. To make this information available in user space we can use updated radiotap specification: http://www.radiotap.org/defined-fields/MCS This patch will set number of STBC encoded spatial streams (Nss). The HAVE_STBC flag should be provided by driver. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | wireless: fix kerneldoc content in *80211.h files.Robert P. J. Day2013-05-161-2/+2
| | | | | | | | | | | | | | | | Make kerneldoc content match header file content, no functional change. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | mac80211: add support for per-chain signal strength reportingFelix Fietkau2013-05-161-0/+6
|/ | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> [fix unit documentation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: improve the rate control APIFelix Fietkau2013-04-221-0/+66
| | | | | | | | | | | | | | | | | Allow rate control modules to pass a rate selection table to mac80211 and the driver. This allows drivers to fetch the most recent rate selection from the sta pointer for already buffered frames. This allows rate control to respond faster to sudden link changes and it is also a step towards adding minstrel_ht support to drivers like iwlwifi. When a driver sets IEEE80211_HW_SUPPORTS_RC_TABLE, mac80211 will not fill info->control.rates with rates from the rate table (to preserve explicit overrides by the rate control module). The driver then explicitly calls ieee80211_get_tx_rates to merge overrides from info->control.rates with defaults from the sta rate table. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: indicate admission control in TX queue parametersAlexander Bondar2013-04-221-0/+2
| | | | | | | | | | | | | Some driver implementations need to know whether mandatory admission control is required by the AP for some ACs. Add a parameter to the TX queue parameters indicating this. As there's currently no support for admission control in mac80211's AP implementation, it's only ever set for the client implementation. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: fix CTS protection handlingFelix Fietkau2013-04-161-1/+3
| | | | | | | | | The rates[0] CTS and RTS flags are only set after rate control has been called, so minstrel cannot use them to for setting the number of retries. This patch adds two new flags to explicitly indicate RTS/CTS use. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: fix and optimize MCS mask handlingFelix Fietkau2013-04-161-2/+2
| | | | | | | | | | | | Currently the code always copies the configured MCS mask (even if it is set to default), but only uses it if legacy rates were also masked out. Fix this by adding a flag that tracks whether the configured MCS mask is set to default or not. Optimize the code further by storing a pointer to the configured rate mask in txrc instead of using memcpy. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: VHT off-by-one NSSKarl Beldan2013-04-161-3/+3
| | | | | | | | | | | | | | | | | | | | | | The number of VHT spatial streams (NSS) is found in: - s8 ieee80211_tx_rate.rate.idx[6:4] (tx - filled by rate control) - u8 ieee80211_rx_status.vht_nss (rx - filled by driver) Tx discriminates valid rates indexes with the sign bit and encodes NSS starting from 0 to 7 (note this matches some hw encodings e.g IWLMVM). Rx does not have the same constraints, and encodes NSS starting from 1 to 8 (note this matches what wireshark expects in the radiotap header). To handle ieee80211_tx_rate.rate.idx[6:4] ieee80211_rate_set_vht() and ieee80211_rate_get_vht_nss() assume their nss parameter and return value respectively runs from 0 to 7. ATM, there are only 2 users of these: cfg.c:sta_set_rate_info_t() and iwlwifi/mvm/tx.c:iwl_mvm_hwrate_to_tx_control(), but both assume nss runs from 1 to 8. This patch fixes this inconsistency by making ieee80211_rate_set_vht() and ieee80211_rate_get_vht_nss() handle an nss running from 1 to 8. Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: support secondary channel offset in CSAJohannes Berg2013-04-161-2/+2
| | | | | | | | | | | | | | | Add support for the secondary channel offset IE in channel switch announcements. This is necessary for proper handling of CSA on HT access points. For this to work it is also necessary to convert everything here to use chandef structs instead of just channels. The driver updates aren't really correct though. In particular, the TI wl18xx driver update can't possibly be right since it just ignores the new channel width for lack of firmware API. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: provide SSID in IBSS modeMarek Puzyniak2013-04-101-2/+2
| | | | | | | | | | | Some drivers need SSID in AP and IBSS mode. AP SSID is provided through BSS_CHANGED_SSID notification. There was no easy way to do the same for IBSS. In IBSS mode SSID is known but was not stored in BSS configuration. Extend the AP-mode functionality to also work in IBSS mode. Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chanKarl Beldan2013-03-251-9/+9
| | | | | | | | | | Drivers that don't use chanctxes cannot perform VHT association because they still use a "backward compatibility" pair of {ieee80211_channel, nl80211_channel_type} in ieee80211_conf and ieee80211_local. Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com> [fix kernel-doc] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: allow drivers to set default uAPSD parametersAlexander Bondar2013-03-251-0/+13
| | | | | | | | | | | | | | | | | | mac80211 currently sets uAPSD parameters to have VO AC trigger- and delivery-enabled, with maximum service period length. Allow drivers to change these default settings since different uAPSD client implementations may handle errors differently and be able to recover from some errors. Note: some APs may not function correctly if one or all ACs are trigger- and delivery-enabled, see http://thread.gmane.org/gmane.linux.kernel.wireless.general/93577. We retested with this AP and later firmware doesn't have this bug any more. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add P2P NoA settingsJanusz Dziedzic2013-03-221-4/+2
| | | | | | | | Add P2P NoA settings for STA mode. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> [fix docs] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: stop queues temporarily for flushingJohannes Berg2013-03-181-0/+2
| | | | | | | | | | Sometimes queues are flushed in the middle of operation, which can lead to driver issues. Stop queues temporarily, while flushing, to avoid transmitting new packets while they are being flushed. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: pass queue bitmap to flush operationJohannes Berg2013-03-181-3/+6
| | | | | | | | | | There are a number of situations in which mac80211 only really needs to flush queues for one virtual interface, and in fact during this frames might be transmitted on other virtual interfaces. Calculate and pass a queue bitmap to the driver so it knows which queues to flush. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: remove vif debugfs driver callbacksStanislaw Gruszka2013-03-181-18/+0
| | | | | | | | | | | This basically reverts commit b207cdb07f3f01ec1adaac62e9d0cc918c60a81a. Now is possible to use drv_{add,remove}_interface() and vif->debugfs_dir to create/remove per interface debugfs files. Remove redundant callbacks. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: move sdata debugfs dir to vifStanislaw Gruszka2013-03-181-0/+7
| | | | | | | | | | | | | | There is need create driver own per interface debugfs files. This is currently done by drv_{add,remove}_interface_debugfs() callbacks. But it is possible that after we remove interface from the driver (i.e. on suspend) we call drv_remove_interface_debugfs() function. Fixing this problem will require to add call drv_{add,remove}_interface_debugfs() anytime we create and remove interface in mac80211. So it's better to add debugfs dir dentry to vif structure to allow to create/remove custom debugfs driver files on drv_{add,remove}_interface(). Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add driver callback for per-interface multicast filterAlexander Bondar2013-03-111-0/+7
| | | | | | | | | Some devices have multicast filter capability for each individual virtual interface rather than just a global one. Add an interface specific driver callback allowing such drivers to configure this. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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