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2011-11-11mac80211: make sure hw_key exists before checking its flagsArik Nemtsov
Fixes a bug introduced in: commit 077a9154898b374f20555adc3f620cccd02581d6 Author: Arik Nemtsov <arik@wizery.com> Date: Sun Oct 23 08:21:41 2011 +0200 Reported-by: Arend van Spriel <arend@broadcom.com> Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11mac80211: add recalc PS in ieee80211_reconfig()Eyal Shapira
Driver should be instructed to enter PS AFTER reconfiguring ASSOCIATED (in STA case) using ieee80211_bss_info_change_notify same as it's being done in ieee80211_set_associated() Signed-off-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11NFC: Check if NCI data flow control is usedIlan Elias
Check if NCI data flow control is used in nci_tx_work. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11NFC: Removal of unused operations for NCI spec 1.0 d18Ilan Elias
Remove unused NCI operations, e.g. create static rf connection. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11NFC: Update names and structs to NCI spec 1.0 d18Ilan Elias
Addition, deletion and modification of NCI constants. Changes in NCI commands, responses and notifications structures. Signed-off-by: Ilan Elias <ilane@ti.com> Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11mac80211/cfg80211: report monitor channel in wireless extensionsJohannes Berg
Just add API to get the channel & report it. Trivial really. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11mac80211: simplify scan state machineJohannes Berg
Attempting to micro-optimise the scan by going fully live again when scanning the operating channel just made the code extremely complex and has little gain in most use cases. Remove all that code and simplify the state machine again. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11mac80211: set carrier_on for ibss vifs only while joinedEliad Peller
mac80211 should set carrier_on for ibss vifs only while they are joined (similar to sta vifs) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11mac80211: init rate-control for TDLS sta when supp-rates are knownArik Nemtsov
Initialize rate control algorithms only when supported rates are known for a TDLS peer sta. Direct Tx between peers is not allowed before the link is enabled. In turn, this only occurs after a change_station() call that sets supported rates. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11cfg80211: merge in beacon ies of hidden bss.Dmitry Tarnyagin
The problem with PSM when a hidden SSID was used was originally reported by Juuso Oikarinen. - When generally scanning, the AP is getting a bss entry with a zero SSID. - When associating, a probe-req is sent to the AP with the SSID, and as a result a probe-response is received with the hidden SSID in place. As a consequence, a second bss entry is created for the AP, now with the real SSID. - After association, mac80211 executes ieee80211_recalc_ps(), but does not switch to powersave because the beacon-ies are missing. As result, the STA does not ever enter PSM. The patch merges in beacon ies of hidden bss from beacon to the probe response, creating a consistent set of ies in place. Patch is depended on "cfg80211: fix cmp_ies" made by Johannes. Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2011-11-10Bluetooth: Only set ack_timer if we didn't send and ackGustavo F. Padovan
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Allow L2CAP to increase the security levelGustavo F. Padovan
Some incomming connections needs to increase the security level by requesting encryption for example (HID keyboard case). This change allows the userspace to change it through setsockopt with defer_setup enabled. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Rename l2cap_check_security()Gustavo F. Padovan
rename to l2cap_chan_check_security() to make it consistent with other l2cap_exported functions. This function will be exported in a later commit. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Add status parameter to mgmt_disconnect responseJohan Hedberg
Since disconnecting may fail the status needs to be communicated to user space. This also updates the implementation to match the latest mgmt API specification. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Add proper response to mgmt_remove_keys commandJohan Hedberg
Since the command can fail we need to have a proper response with the remote address and a failure status for it. This also updates it to conform to the latest mgmt API spec. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Fix deadlock with mgmt_pair_deviceJohan Hedberg
The hci_conn callbacks are called with the hci_dev lock already held so no locking should be attempted in them. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10Bluetooth: Add public/random LE address information to mgmt messagesJohan Hedberg
It's necessary to know the distinction between public and random LE addresses so the mgmt interface also needs to distinguish between them. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-11-10SUNRPC: destroy freshly allocated transport in case of sockaddr init errorStanislav Kinsbursky
Otherwise we will leak xprt structure and struct net reference. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-11-09ipv4: PKTINFO doesnt need dst referenceEric Dumazet
Le lundi 07 novembre 2011 à 15:33 +0100, Eric Dumazet a écrit : > At least, in recent kernels we dont change dst->refcnt in forwarding > patch (usinf NOREF skb->dst) > > One particular point is the atomic_inc(dst->refcnt) we have to perform > when queuing an UDP packet if socket asked PKTINFO stuff (for example a > typical DNS server has to setup this option) > > I have one patch somewhere that stores the information in skb->cb[] and > avoid the atomic_{inc|dec}(dst->refcnt). > OK I found it, I did some extra tests and believe its ready. [PATCH net-next] ipv4: IP_PKTINFO doesnt need dst reference When a socket uses IP_PKTINFO notifications, we currently force a dst reference for each received skb. Reader has to access dst to get needed information (rt_iif & rt_spec_dst) and must release dst reference. We also forced a dst reference if skb was put in socket backlog, even without IP_PKTINFO handling. This happens under stress/load. We can instead store the needed information in skb->cb[], so that only softirq handler really access dst, improving cache hit ratios. This removes two atomic operations per packet, and false sharing as well. On a benchmark using a mono threaded receiver (doing only recvmsg() calls), I can reach 720.000 pps instead of 570.000 pps. IP_PKTINFO is typically used by DNS servers, and any multihomed aware UDP application. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-09Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2011-11-09net/rfkill/core.c: use kstrtoul, etcJulia Lawall
Use kstrtoul, etc instead of the now deprecated strict_strtoul, etc. A semantic patch rule for the kstrtoul case is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression a,b; {int,long} *c; @@ -strict_strtoul +kstrtoul (a,b,c) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09net/mac80211/debugfs.c: use kstrtoul, etcJulia Lawall
Use kstrtoul, etc instead of the now deprecated strict_strtoul, etc. A semantic patch rule for the kstrtoul case is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression a,b; {int,long} *c; @@ -strict_strtoul +kstrtoul (a,b,c) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: implement wifi TX statusJohannes Berg
Implement the socket wifi TX status error queue reflection in mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09nl80211: advertise socket TX status capabilityJohannes Berg
The new wifi socket TX capability should be supported by wifi drivers, let them advertise whether they do or not. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09mac80211: Also report the STA's TDLS flag via nl80211Helmut Schaa
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-09cfg80211/mac80211: allow management TX to not wait for ACKJohannes Berg
For probe responses it can be useful to not wait for ACK to avoid retransmissions if the station that sent the probe is already on the next channel, so allow userspace to request not caring about the ACK with a new nl80211 flag. Since mac80211 needs to be updated for the new function prototype anyway implement it right away -- it's just a few lines of code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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>
2011-11-09ipv4: reduce percpu needs for icmpmsg mibsEric Dumazet
Reading /proc/net/snmp on a machine with a lot of cpus is very expensive (can be ~88000 us). This is because ICMPMSG MIB uses 4096 bytes per cpu, and folding values for all possible cpus can read 16 Mbytes of memory. ICMP messages are not considered as fast path on a typical server, and eventually few cpus handle them anyway. We can afford an atomic operation instead of using percpu data. This saves 4096 bytes per cpu and per network namespace. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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>
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