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2011-11-09mac80211: send unexpected 4addr eventJohannes Berg
Implement the cfg80211 notification but only send one event per associated station to avoid having tons of events if the station thinks it should be allowed to use 4addr frames but it isn't. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09cfg80211: add event for unexpected 4addr framesJohannes Berg
The frames are used by AP/STA WDS mode, and hostapd needs to know when such a frame was received to set up the VLAN appropriately to allow using it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: report OBSS beaconsJohannes Berg
If there's an interface in AP mode, OBSS beacons are needed by hostapd/wpa_s to implement logic to enable/disable protection etc. Report the frames and set the capability flag. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09cfg80211: allow registering to beaconsJohannes Berg
Add the ability to register to received beacon frames to allow implementing OLBC logic in userspace. The registration is per wiphy since there's no point in receiving the same frame multiple times. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: support client probeJohannes Berg
Support probing clients with null data frames in AP mode. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09nl80211: add API to probe a clientJohannes Berg
When the AP SME in hostapd is used it wants to probe the clients when they have been idle for some time. Add explicit API to support this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09nl80211: advertise device AP SMEJohannes Berg
Add the ability to advertise that the device contains the AP SME and what features it can support. There are currently no features in the bitmap -- probe response offload will be advertised by a few patches Arik is working on now (who took over from Guy Eilam) and a device with AP SME will typically implement and require response offload. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: support spurious class3 eventJohannes Berg
Add support for the spurious class3 frame event to mac80211 to enable AP w/o monitor mode. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09nl80211: allow subscribing to unexpected class3 framesJohannes Berg
To implement AP mode without monitor interfaces we need to be able to send a deauth to stations that send frames without being associated. Enable this by adding a new nl80211 event for such frames that an application can subscribe to. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: add support for control port protocol in AP modeJohannes Berg
This will allow us to support dynamic WEP with 802.1X properly in mac80211 by not encrypting outgoing and accepting unencrypted incoming frames. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: add helper to free TX skbJohannes Berg
Drivers that need to drop a frame before it can be transmitted will usually simply free that frame. This is currently fine, but in the future it'll be needed to tell mac80211 about this case, so add a new routine that frees a TX skb. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: simplify mesh frame queue mapping and QoSJavier Cardona
We only need to set the skb queue twice: 1. by the netdev, on local TX. 2. when forwarding a mesh frame. We only need to set the qos header twice: 1. by mac80211, on local TX. 2. when putting a frame on the mpath->frame_queue We also don't need the RA in order to set the proper queue mapping since all mesh STAs are QoS, indicate this and do it once when the frame is received. Also fixes an issue where the QoS header and queue mapping was not set for unicast forwarded frames. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: check if frame is really part of this BAThomas Pedersen
There was an an implicit assumption that any QoS data frame received from a STA/TID with an active BA session was sent to this vif as part of a BA. This is not true if IFF_PROMISC is enabled and the frame was destined for a different peer, for example. Don't treat these frames as part of a BA from the sending STA. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: QoS multicast frames have No Ack policyThomas Pedersen
Previously QoS multicast frames had the Normal Acknowledgment QoS control bits set. This would cause broadcast frames to be discarded by peers with which we have a BA session, since their sequence number would fall outside the allowed range. Set No Ack QoS control bits on multicast QoS frames and filter these in de-aggregation code. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> v2: Use proper QoS Ack Policy ctl field mask (Christian) v3: Clean up conditional (Johannes) Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: Avoid filling up mesh preq queue with redundant requestsJavier Cardona
Don't accept redundant PREQs for a given destination. This fixes a problem under high load: kernel: [20386.250913] mesh_queue_preq: 235 callbacks suppressed kernel: [20386.253335] Mesh HWMP (mesh0): PREQ node queue full kernel: [20386.253352] Mesh HWMP (mesh0): PREQ node queue full (...) The 802.11s protocol has a provision to limit the rate of path requests (PREQs) are transmitted (dot11MeshHWMPpreqMinInterval) but there was no limit on the rate at which PREQs were being queued up. There is a valid reason for queuing PREQs: this way we can even out PREQ bursts. But queueing multiple PREQs for the same destination is useless. Reported-by: Pedro Larbig <pedro.larbig@carhs.de> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: verify virtual interfaces in driver APIJohannes Berg
The driver is never informed about monitor or AP_VLAN interfaces, so whenever we pass those to it later this is a bug. Verify we don't as there are some cases where this could happen. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09net: add wireless TX status socket optionJohannes Berg
The 802.1X EAPOL handshake hostapd does requires knowing whether the frame was ack'ed by the peer. Currently, we fudge this pretty badly by not even transmitting the frame as a normal data frame but injecting it with radiotap and getting the status out of radiotap monitor as well. This is rather complex, confuses users (mon.wlan0 presence) and doesn't work with all hardware. To get rid of that hack, introduce a real wifi TX status option for data frame transmissions. This works similar to the existing TX timestamping in that it reflects the SKB back to the socket's error queue with a SCM_WIFI_STATUS cmsg that has an int indicating ACK status (0/1). Since it is possible that at some point we will want to have TX timestamping and wifi status in a single errqueue SKB (there's little point in not doing that), redefine SO_EE_ORIGIN_TIMESTAMPING to SO_EE_ORIGIN_TXSTATUS which can collect more than just the timestamp; keep the old constant as an alias of course. Currently the internal APIs don't make that possible, but it wouldn't be hard to split them up in a way that makes it possible. Thanks to Neil Horman for helping me figure out the functions that add the control messages. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: simplify ieee80211_work_workStanislaw Gruszka
Since local->tmp_channel is always NULL in one branch, some code paths will newer be taken in that branch, so remove them. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: remove useless brackets in ieee80211_cfg_on_oper_channelStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: remove uneeded scan_chan variableStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: preserve EOSP in QoS headerJohannes Berg
Janusz reported that the EOSP bit in mac80211 was getting cleared all the time. I had not found this since I tested uAPSD with a device that always set the bit itself. Preserve the bit when building the QoS header. Reported-by: Janusz Dziedzic <janusz.dziedzic@gmail.com> Tested-by: Janusz Dziedzic <janusz.dziedzic@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09nl80211: Increase maximum NL80211_ATTR_KEY_SEQ length to 16Jouni Malinen
WPI-SMS4 uses 16-octet PN field, so we need to allow longer key sequence values to be configured. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: set BSS_CHANGED_IDLE on vif reconfigEliad Peller
The vif might be busy while reconfiguring (e.g. associated), so indicate BSS_CHANGED_IDLE as well. Reported-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: handle HT PHY BSS membership selector value correctlyChristian Lamparter
802.11n-2009 extends the supported rates element with a magic value which can be used to prevent legacy stations from joining the BSS. However, this magic value is not a rate like the others and the magic can simply be ignored/skipped at this late stage. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>--- Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next Conflicts: net/bluetooth/l2cap_sock.c net/bluetooth/mgmt.c
2011-11-09Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2011-11-09Bluetooth: Remove redundant hci_dev comparisons in mgmt lookupsJohan Hedberg
Now that pending commands are hci_dev specific there's no need to check whether a command matches hci_dev when iterating through them. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-09Bluetooth: Fix consistency with u16 integer type in mgmt pending_cmdJohan Hedberg
For consistency the integer type should be u16 and not __u16. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-09Bluetooth: Fix cancel_delayed_work_sync usage with locksJohan Hedberg
The cancel_delayed_work_sync function should not be used if we hold any locks. Luckily all places where this is the case it is also safe to use the non-sync version. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-09Bluetooth: Add missing hci_dev locking when calling mgmt functionsJohan Hedberg
Now that the pending commands are within struct hci_dev we can properly control access to them throught the hci_dev locking mechanism. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-09Bluetooth: Move pending management command list into struct hci_devJohan Hedberg
This patch moves the pending management command list (previously global to mgmt.c) into struct hci_dev. This makes it possible to do proper locking when accessing it (through the existing hci_dev locks) and thereby avoid race conditions. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-09Bluetooth: Pass full hci_dev struct to mgmt callbacksJohan Hedberg
The current global pending command list in mgmt.c is racy. Possibly the simplest way to fix it is to have per-hci dev lists instead of a global one (all commands that need a pending struct are hci_dev specific). This way the list can be protected using the already existing per-hci dev lock. To enable this refactoring the first thing that needs to be done is to ensure that the mgmt functions have access to the hci_dev struct (instead of just the dev id). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08mac80211: allow frame aggregation for meshThomas Pedersen
Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Ashok Nagarajan <anagar6@uic.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: set HT capabilities for mesh peerThomas Pedersen
Set peer's HT capabilities, and disallow peering if we're on a different channel type. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Ashok Nagarajan <anagar6@uic.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: add HT IEs to mesh framesThomas Pedersen
Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Ashok Nagarajan <anagar6@uic.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: Add HT helper functionsAlexander Simon
Some refactoring for IBSS HT. Move HT info and capability IEs building code into separate functions. Add function to get the channel type from an HT info IE. Signed-off-by: Alexander Simon <an.alexsimon@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: comment allocation of mesh framesThomas Pedersen
Remove most references to magic numbers, save a few bytes and hopefully improve readability. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: support adding IV-room in the skb for CCMP keysArik Nemtsov
Some cards can generate CCMP IVs in HW, but require the space for the IV to be pre-allocated in the frame at the correct offset. Add a key flag that allows us to achieve this. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08nl80211: clean up genlmsg_end usesJohannes Berg
genlmsg_end() cannot fail, it just returns the length of the message. Thus, error handling for it is useless. While removing it, I also noticed a useless variable and removed this it as well. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: exit cooked monitor RX early if there are noneJohannes Berg
If there are no cooked monitor interfaces, there's no point in building the radiotap RX header for the frame and iterating the interface list. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: fix confusing parenthesesJohannes Berg
There's an extra pair of parentheses here that is simply confusing because it implies a nesting that doesn't actually exist. Just remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08mac80211: call set_wmm_default only for valid vifsEliad Peller
mac80211 calls ieee80211_set_wmm_default (which in turn calls drv_conf_tx()) for every new interface, including "internal" ones (e.g. monitor interface, which the low-level driver doesn't know about). Limit this call only to valid interfaces. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-08Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth
2011-11-08Bluetooth: Add address type fields to mgmt messages that need themJohan Hedberg
This patch adds address type info (typically BR/EDR vs LE) to management messages that need this. This also ensures conformance to the latest management API specification. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Update link key mgmt APIs to match latest spec.Johan Hedberg
BR/EDR link keys have their own commands and events (separate from SMP) and the remove_keys command (previously remove_key) removes keys of any kind for the specified remote address. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Fix response for mgmt_start_discovery when powered offJohan Hedberg
We should return a ENETDOWN status response if the adapter is powered off (i.e. the HCI_UP flag isn't set). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Remove redundant code from mgmt_block & mgmt_unblockJohan Hedberg
There's no need to deal with mgmt_pending_cmd when blocking and unblocking devices since these actions are synchronous. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Convert power off mechanism to use delayed_workJohan Hedberg
The power off code doesn't need to use its own custom timer since the delayed_work API provides the exact same functionality. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Fix mgmt response when HCI_Write_Scan_Enable failsJohan Hedberg
A proper mgmt_command_status should be returned to user-space if either discoverable or connectable enabling fails. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-08Bluetooth: Add timeout field to mgmt_set_discoverableJohan Hedberg
Based on the revised mgmt API set_discoverable has a timeout parameter to specify how long the adapter will remain discoverable. A value of 0 means "indefinitively". Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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