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2011-05-12mac80211: mesh: move some code to make it staticJohannes Berg
There's no need to have table functions in one file and all users in another, move the functions to the right file and make them static. Also move a static variable to the beginning of the file to make it easier to find. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12cfg80211/mac80211: avoid bounce back mac->cfg->mac on sched_scan_stoppedLuciano Coelho
When sched_scan_stopped was called by the driver, mac80211 calls cfg80211, which in turn was calling mac80211 back with a flag "driver_initiated". This flag was used so that mac80211 would do the necessary cleanup but would not call the driver. This was enough to prevent the bounce back between the driver and mac80211, but not between mac80211 and cfg80211. To fix this, we now do the cleanup in mac80211 before calling cfg80211. To help with locking issues, the workqueue was moved from cfg80211 to mac80211. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mac80211: fix a few RCU issuesJohannes Berg
A few configuration functions correctly do rcu_read_lock() but don't correctly reference some pointers protected by RCU. Fix that. Cc: stable@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mac80211: fix another key non-raceJohannes Berg
The code here is only not racy because all the places that assign the pointers it uses are holding the sta_mtx as well as the key_mtx and so can't race against this because this code holds the sta_mtx. But that's not intuitive, so fix it to hold the key_mtx. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mac80211: make key locking clearerJohannes Berg
The code in ieee80211_del_key() doesn't acquire the key_mtx properly when it dereferences the keys. It turns out that isn't actually necessary since the key_mtx itself seems to be redundant since all key manipulations are done under the RTNL, but as long as we have the key_mtx we should use it the right way too. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mac80211: remove pointless mesh path timer RCU codeJohannes Berg
The code here to RCU-dereference a pointer that's on the stack is totally pointless, RCU isn't magic (like say Java's weak references are), so the code can't work like whoever wrote it thought it might. Remove it so readers don't get confused. Note that it seems that a bug is there anyway: I don't see any code that cancels the timer when a mesh path struct is destroyed. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12ath9k_hw: Fix STA connection issues with AR9380 (XB113).Senthil Balasubramanian
XB113 (AR9380) 3x3 SB 5G only cards were failing to connect to APs due to incorrect xpabiaslevel configuration. fix it. Cc: stable@kernel.org Cc: Ray Li <ray.li@greenwavereality.com> Cc: Kathy Giori <kathy.giori@atheros.com> Cc: Aeolus Yang <aeolus.yang@atheros.com> Cc: compat@orbit-lab.org Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mwifiex: remove mwifiex_recv_complete functionAmitkumar Karwar
The function - increments dropped rx_packet count if status code passed to it is "-1". - frees SKB buffer. But currently the function is being called with "0" status code. This patch replaces above function by dev_kfree_skb_any() call. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12bcma: pci: trivial: correct amount of maximum retriesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12ath9k_hw: fix dual band assumption for XB113Luis R. Rodriguez
The XB113 cards are single band, 5 GHz-only, but the default settings were configured to assume it was dual band. Users of these cards then would see 2.4 GHz channels but you would never get any scan results from these channels given that the radio is not present. Cc: stable@kernel.org Cc: Fiona Cain <Fiona.Cain@atheros.com> Cc: Ray Li <ray.li@greenwavereality.com> Cc: Kathy Giori <kathy.giori@atheros.com> Cc: Aeolus Yang <aeolus.yang@atheros.com> Cc: Dan Friedman <dan.friedman@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12mac80211: fix contention time computation in minstrel, minstrel_htDaniel Halperin
When transmitting a frame, the transmitter waits a random number of slots between 0 and cw. Thus, the contention time is (cw / 2) * t_slot which we can represent instead as (cw * t_slot) >> 1. Also fix a few other accounting bugs around contention time, and add comments. Signed-off-by: Daniel Halperin <dhalperi@cs.washington.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12cfg80211: restrict AP beacon intervalsJohannes Berg
Multiple virtual AP interfaces can currently try to use different beacon intervals, but that just leads to problems since it won't actually be done that way by drivers. Return an error in this case to make sure it won't be done wrong. Also, ignore attempts to change the DTIM period or beacon interval during the lifetime of the BSS. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6
2011-05-12mac80211: Fix mesh-related build breakage...Yogesh Ashok Powar
net/mac80211/cfg.c: In function ‘sta_apply_parameters’: net/mac80211/cfg.c:746: error: ‘struct sta_info’ has no member named ‘plink_state’ make[1]: *** [net/mac80211/cfg.o] Error 1 make: *** [net/mac80211/mac80211.ko] Error 2 Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-12Bluetooth: Remove leftover debug messagesGustavo F. Padovan
They were added by me while testing and I forgot to remove. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-05-11Bluetooth: Add support for disconnecting LE links via mgmtVinicius Costa Gomes
If we can't find a ACL link between the devices, we search the connection list one second time looking for LE links. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-05-11Bluetooth: Add support for sending connection events for LE linksVinicius Costa Gomes
We need to be able for receive events notifying that the connection was established, the connection attempt failed or that disconnection happened. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-05-11cfg80211/nl80211: add interval attribute for scheduled scansLuciano Coelho
Introduce NL80211_ATTR_SCHED_SCAN_INTERVAL as a required attribute for NL80211_CMD_START_SCHED_SCAN. This value informs the driver at which intervals the scheduled scan cycles should be executed. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: add support for HW scheduled scanLuciano Coelho
Implement support for HW scheduled scan. The mac80211 code doesn't perform scheduled scans itself, but calls the driver to start and stop scheduled scans. This patch also creates a trace event class to be used by drv_hw_scan and the new drv_sched_scan_start and drv_sched_stop functions, in order to avoid duplicate code. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11cfg80211/nl80211: add support for scheduled scansLuciano Coelho
Implement new functionality for scheduled scan offload. With this feature we can scan automatically at certain intervals. The idea is that the hardware can perform scan automatically and filter on desired results without waking up the host unnecessarily. Add NL80211_CMD_START_SCHED_SCAN and NL80211_CMD_STOP_SCHED_SCAN commands to the nl80211 interface. When results are available they are reported by NL80211_CMD_SCHED_SCAN_RESULTS events. The userspace is informed when the scheduled scan has stopped with a NL80211_CMD_SCHED_SCAN_STOPPED event, which can be triggered either by the driver or by a call to NL80211_CMD_STOP_SCHED_SCAN. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11libertas: Add libertas_disablemesh module parameter to disable mesh interfaceSascha Silbe
This allows individual users and deployments to disable mesh support at runtime, i.e. without having to build and maintain a custom kernel. Based on a patch by Paul Fox <pgf@laptop.org>. Signed-off-by: Sascha Silbe <silbe@activitycentral.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mwifiex: cleanup ioctl.hBing Zhao
Some structures and macros in ioctl.h are redundant or no longer used. Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mwifiex: remove redundant local structuresAmitkumar Karwar
Avoid use of local structure in the function if the structure is already allocated by the caller and the structure pointer is passed. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11b43: implement timeouts workaroundRafał Miłecki
Documented in: <4DCA7E40.9070709@lwfinger.net> Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11ssb: move ssb_commit_settings and export itRafał Miłecki
Commiting settings is possible on devices without PCI core (but with CC core). Export it for usage in drivers supporting other cores. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11bcma: add missing GPIO defines, use PULL register only when availableRafał Miłecki
Similar patch was commited to ssb. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11ath9k: fix a regression in PS frame filter handlingFelix Fietkau
Only leave filtering enabled for AP or VLAN interfaces, clear the destination mask for all other interfaces. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Reported-by: Ben Greear <greearb@candelatech.com> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11b43: move MAC PHY clock controling functionRafał Miłecki
This is not N-PHY specific function, we partially duplicate code. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11b43legacy: trivial: use TMSLOW def instead of magic valueRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: add a couple of trace event classes to reduce duplicated codeLuciano Coelho
The functions drv_add_interface() and drv_remove_interface() print out the same values in the traces. Combine the traces of these two functions into one event class to remove some duplicate code. Also add a new class for functions drv_set_frag_threshold() and drv_set_rts_threshold(). Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11ath5k: Fix lockup due to un-init spinlock.Ben Greear
This was introduced in 2.6.39-rc1 it seems. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Sedat Dilek <sedat.dilek@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Only process mesh PREPs with equal seq number if metric is better.Fabrice Deyber
This fixes routing loops in PREP propagation and is in accordance with Draft 11, Section: 11C.9.8.4. Signed-off-by: Fabrice Deyber <fabricedeyber@agilemesh.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11ath9k: fix beaconing for mesh interfacesJavier Cardona
Mesh beaconing on ath9k was broken by this commit: commit 4801416c76a3a355076d6d371c00270dfe332e1c Author: Ben Greear <greearb@candelatech.com> Date: Sat Jan 15 19:13:48 2011 +0000 This patch assigns the right opmode when the device is used in mesh mode. Reported-by: Fabrice Deyber fabricedeyber@agilemesh.com Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: allow setting supported rates on mesh peersJavier Cardona
This is necessary for userspace managed stations. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Move call to mpp_path_lookup inside RCU-read sectionJavier Cardona
PROVE_RCU caught that one: [ 431.214070] =================================================== [ 431.215341] [ INFO: suspicious rcu_dereference_check() usage. ] [ 431.215674] --------------------------------------------------- [ 431.216043] net/mac80211/mesh_pathtbl.c:184 invoked rcu_dereference_check() without protection! Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Fix locking bug on mesh path table accessJavier Cardona
The mesh and mpp path tables are accessed from softirq and workqueue context so non-irq locking cannot be used. Or at least that's what PROVE_RCU seems to tell us here: [ 431.240946] ================================= [ 431.241061] [ INFO: inconsistent lock state ] [ 431.241061] 2.6.39-rc3-wl+ #354 [ 431.241061] --------------------------------- [ 431.241061] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 431.241061] kworker/u:1/1423 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 431.241061] (&(&newtbl->hashwlock[i])->rlock){+.?...}, at: [<c14671bf>] mesh_path_add+0x167/0x257 Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Check size of a new mesh path table for changes since allocation.Javier Cardona
Not sure if I'm chasing a ghost here, seems like the mesh_path->size_order needs to be inside an RCU-read section to prevent that value from changing between table allocation and copying. We have observed crashes that might be caused by this. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Self-protected management frames are not robustThomas Pedersen
They may contain encrypted information elements (as AMPE frames do) but they are not encrypted. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11nl80211: allow setting MFP flag for a meshifThomas Pedersen
Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11nl80211: allow installing keys for a meshifThomas Pedersen
Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11nl80211: Let userspace drive the peer link management states.Javier Cardona
Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11cfg80211: Use capability info to detect mesh beacons.Javier Cardona
Mesh beacons no longer use all-zeroes BSSID. Beacon frames for MBSS, infrastructure BSS, or IBSS are differentiated by the Capability Information field in the Beacon frame. A mesh STA sets the ESS and IBSS subfields to 0 in transmitted Beacon or Probe Response management frames. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11open80211s: Stop using zero for address 3 in mesh plink mgmt framesJavier Cardona
Previous versions of 11s draft used the all zeroes address. Current draft uses the same address as address 2. Also, use the ANA-approved action category code for peer establishment frames. Note: This breaks compatibility with previous mesh protocol instances. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Drop MESH_PLINK category and use new ANA-approved MESH_ACTIONJavier Cardona
Note: This breaks compatibility with previous mesh protocol instances. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11mac80211: Let userspace send action frames over mesh interfacesJavier Cardona
Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11nl80211: Introduce NL80211_MESH_SETUP_USERSPACE_AMPEJavier Cardona
Introduce a new configuration option to support AMPE from userspace. Prior to this series we only supported authentication in userspace: an authentication daemon would authenticate peer candidates in userspace and hand them over to the kernel. From that point the mesh stack would take over and establish a peer link (Mesh Peering Management). These patches introduce support for Authenticated Mesh Peering Exchange in userspace. The userspace daemon implements the AMPE protocol and on successfull completion create mesh peers and install encryption keys. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11Bluetooth: Double check sec req for pre 2.1 deviceWaldemar Rymarkiewicz
In case of pre v2.1 devices authentication request will return success immediately if the link key already exists without any authentication process. That means, it's not possible to re-authenticate the link if you already have combination key and for instance want to re-authenticate to get the high security (use 16 digit pin). Therefore, it's necessary to check security requirements on auth complete event to prevent not enough secure connection. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-05-11Bluetooth: Device ids for ath3k on Pegatron Lucid tabletsAndy Ross
New ath3k device IDs used on the Pegatron Lucid (ExoPC and WeTab) units. Signed-off-by: Andy Ross <andy.ross@windriver.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-05-11libertas: Use netdev_<level> or dev_<level> where possibleJoe Perches
Using the more descriptive logging styles gives a bit more information about the device being operated on. Makes the object trivially smaller too. $ size drivers/net/wireless/libertas/built-in.o.* 187730 2973 38488 229191 37f47 drivers/net/wireless/libertas/built-in.o.new 188195 2973 38488 229656 38118 drivers/net/wireless/libertas/built-in.o.old Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-11libertas: Convert lbs_pr_<level> to pr_<level>Joe Perches
Use the standard pr_<level> functions eases grep a bit. Added a few missing terminating newlines to messages. Coalesced long formats. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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