- 27 Jun, 2012 1 commit
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Johannes Berg authored
When CONFIG_PM is disabled, no device can possibly support WoWLAN since it can't go to sleep to start with. Due to this, mac80211 had even rejected the hardware registration. By making all the code and data for WoWLAN depend on CONFIG_PM we can promote this runtime error to a compile-time error. Add #ifdef around all WoWLAN code to remove it in systems that don't need it as they never suspend. Cc: Kalle Valo <kvalo@qca.qualcomm.com> Acked-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 26 Jun, 2012 4 commits
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Johannes Berg authored
Since it's not called from any file outside where it's defined, the function can be static if moved up in the file before the callers. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
ieee80211_check_concurrent_iface() need not use the netdev. Remove the use of the netdev here to prepare the function for P2P device addition. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Remove the unused function is_ieee80211_device(). Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Thomas Pedersen authored
Support configuring an RSSI threshold in dBm (s32) when requesting scheduled scan, below which a BSS won't be reported by the cfg80211 driver. Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 25 Jun, 2012 1 commit
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Johannes Berg authored
The code is fine in both cases as-is, but we can write it slightly differently to fix smatch/sparse complaints: * compare the skb pointer (which we use as a cookie) by casting the skb to unsigned long rather than the cookie to a pointer (fixes "different address spaces") * when transmitting, data->channel must be assigned, don't check it (fixes "dereferenced before check") Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 24 Jun, 2012 3 commits
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Johannes Berg authored
It can be very useful to have all debug messages available when debugging, but hard to correlate between different sources, so add a trace event for all mac80211 debug messages. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
This file will contain more soon, so rename it to just trace. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
There are a few things that make the logging and debugging in mac80211 less useful than it should be right now: * a lot of messages should be pr_info, not pr_debug * wholesale use of pr_debug makes it require *both* Kconfig and dynamic configuration * there are still a lot of ifdefs * the style is very inconsistent, sometimes the sdata->name is printed in front Clean up everything, introducing new macros and separating out the station MLME debugging into a new Kconfig symbol. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 22 Jun, 2012 3 commits
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Johannes Berg authored
For better debugging, we would like to have the sdata pointer available later, so pass it into these functions. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Two instances of CONFIG_MAC80211_VERBOSE_DEBUG should be different, fix them. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
The TKIP code hasn't been changed in a very long time, so it seems unlikely that anyone really has a need for the TKIP debug code. Remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 21 Jun, 2012 2 commits
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Avinash Patil authored
WMM and WPS Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Victor Goldenshtein authored
Get current rssi (in dBm) from the driver/FW. Instead of reporting the signal received in the last rx packet, which might be inaccurate if rx traffic is low and beacon filtering is enabled, get the signal from the driver/FW. Signed-off-by: Victor Goldenshtein <victorg@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 20 Jun, 2012 15 commits
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Johannes Berg authored
When a remain-on-channel item is deleted, we remove it from the list and then start the next item. However, if it wasn't actually the first item then calling ieee80211_start_next_roc() is wrong as it will start the first item -- even if that was already started. Fix the two places that do this and add a warning to prevent the problem from reoccurring. Reported-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Will Hawkins authored
Set the necessary flags to allow user space applications to register for authentication frames on IBSS interfaces. This is useful for situations where userspace applications want to control key negotiation between stations. Signed-off-by: Will Hawkins <hawkinsw@opentechinstitute.org> [reword commit message a bit] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Will Hawkins authored
Check the auth frame registration count before sending "open system" authentication messages when a new station registers on a particular IBSS network. This stops us from sending out multiple authentication messages with different authentication algorithms. Signed-off-by: Will Hawkins <hawkinsw@opentechinstitute.org> [reword commit message a bit] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Will Hawkins authored
Track userspace registrations for authentication frames received on an IBSS interface. This field will be used to decide whether or not to send "open system" authentication frames when a new station joins an adhoc network. Signed-off-by: Will Hawkins <hawkinsw@opentechinstitute.org> [redesign the code flow a bit] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Eyal Shapira authored
In case the driver suspend callback fails, mac80211 is left with stopped queues which prevents any further traffic as well as all STAs are left marked with WLAN_STA_BLOCK_BA which will cause any further ADDBA requests to be declined. Fix it by undoing both before returning from __iee80211_suspend. Reported-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Yoni Divinsky authored
Save and configure the wmm_acm per sdata, rather than per hardware. If wmm_acm is saved per hardware when running two interfaces simultaneously on the same hardware one interface's wmm policy will be affected by the other interface. Signed-off-by: Yoni Divinsky <yoni.divinsky@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Luciano Coelho authored
If an AP is beaconing with different capabilities than the one we get in the associate response, we were still using the capabilities received in the beacons. One example is when the AP is beaconing with the short slot bit set to zero and then we try to connect to it with long slot. In this case, we would keep using long slot until the next beacon was received. Fix this by using the correct capability value when calling ieee80211_handle_bss_capability(). We were using cbss->capability, but we should use the bss_conf->assoc_capability instead. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Felix Fietkau authored
Commit "cfg80211: provide channel to start_ap function" assumes that the channel is always passed to the NL80211_CMD_START_AP command, however in case of multi-BSSID, hostapd only passes the channel for the first vif. This makes starting beaconing on secondary vifs fail with -EINVAL. Fix this by storing the channel provided to .start_ap in wdev->preset_chan and picking the first AP vif's channel for secondary vifs if not provided. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
To fix the testmode cross-namespace access problem, use __cfg80211_rdev_from_attrs() to get the device instead of open-coding similar functionality. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Change the function to __cfg80211_rdev_from_attrs to take attributes instead of the info struct to make it usable from dump callbacks for testmode. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
There are currently a few ways to "escape" the network namespace and access a wiphy that belongs to another namespace. Add a netns argument to the relevant functions to fix this. One remaining issue with testmode will be fixed in a follow-up patch. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Refactor the function to make it easier to extend. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Some of the functions to retrieve a device can be static as they're used only in nl80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Luciano Coelho authored
Some compilers (eg. gcc 4.4.1 for ARM) report a false positive warning in mlme.c: net/mac80211/mlme.c: In function 'ieee80211_prep_connection': net/mac80211/mlme.c:3035: warning: 'sta' may be used uninitialized in this function This is a false positive because the place where 'sta' is used is inside an if with the same condition of where it is set: [...] if (!have_sta) { sta = sta_info_alloc(sdata, cbss->bssid, GFP_KERNEL); if (!sta) return -ENOMEM; } [...] if (!have_sta) { [...] sta->sta.supp_rates[cbss->channel->band] = rates; [...] For some reason the compiler doesn't understand this and warns. While this is not a problem in the code itself, we can avoid polluting the build logs with false positives by setting sta to NULL on declaration and checking for sta instead of !have_sta in the second if. Reported-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Rajkumar Manoharan authored
The 'tell_ap' argument is always true. So that remove it and simplify the function. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 18 Jun, 2012 7 commits
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Chun-Yeow Yeoh authored
This patch fixes the problem of dropping RANN element if the TTL is 1. If the received RANN element TTL is 1 or greater than 1, the RANN is processed. However, forwarding of received RANN element with TTL 1 or less is prohibited according to the standard. This is previously reported by Monthadar Al Jaberi. Besides, this patch also avoid the processing of unicast PREQ generation if the RANN element does not meet the acceptance criteria mentioned in Sec. 13.10.12.4.2 of IEEE Std. 802.11-2012. Reported-by: Monthadar Al Jaberi <monthadar@gmail.com> Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Arik Nemtsov authored
Some APs experience problems when working with U-APSD. Decrease the probability of that happening by using legacy mode for all ACs but VO. The AP that caused us troubles was a Cisco 4410N. It ignores our setting, and always treats non-VO ACs as legacy. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Arik Nemtsov authored
While HW reconfig is in progress, drop all incoming Rx. This prevents incoming packets from changing the internal state of the driver or calling callbacks of the low level driver while it is in inconsistent state. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Chun-Yeow Yeoh authored
This patch fixes the wrong assignment of mesh element TTL. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Chun-Yeow Yeoh authored
As defined in section 13.10.9.3 Case D (802.11-2012), this control variable is used to limit the mesh STA to send only one PREQ to a root mesh STA within this interval of time (in TUs). The default value for this variable is set to 2000 TUs. However, for current implementation, the maximum configurable of dot11MeshHWMPconfirmationInterval is restricted by dot11MeshHWMPactivePathTimeout. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> [line-break commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Chun-Yeow Yeoh authored
mesh_path_root_timer is invoked once the dot11MeshHWMPRootMode is larger than 1. This patch also adds the backward compatible to the previous setting on dot11MeshHWMPRootMode. If the user configures as follow, it will still trigger the proactive RANN with Gate Announcement. iw mesh0 set mesh_param mesh_hwmp_rootmode 1 iw mesh0 set mesh_param mesh_gate_announcements 1 similar to the following setting: iw mesh0 set mesh_param mesh_hwmp_rootmode 4 iw mesh0 set mesh_param mesh_gate_announcements 1 Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> [line-break commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Chun-Yeow Yeoh authored
Generate the proactive PREP element in Proactive PREQ mode as defined in Sec. 13.10.10.3 (Case D) of IEEE Std. 802.11-2012. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 14 Jun, 2012 2 commits
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Chun-Yeow Yeoh authored
Generate the proactive PREQ element as defined in Sec. 13.10.9.3 (Case C) of IEEE Std. 802.11-2012 based on the selection of dot11MeshHWMPRootMode as follow: dot11MeshHWMPRootMode (2) is proactivePREQnoPREP dot11MeshHWMPRootMode (3) is proactivePREQwithPREP The proactive PREQ is generated based on the interval defined by dot11MeshHWMProotInterval. With this change, proactive RANN element is now generated if the dot11MeshHWMPRootMode is set to (4) instead of (1). Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> [line-break commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Chun-Yeow Yeoh authored
Add the mesh configuration parameters dot11MeshHWMProotInterval and dot11MeshHWMPactivePathToRootTimeout to be used by proactive PREQ mechanism. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> [line-break commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- 13 Jun, 2012 2 commits
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Johannes Berg authored
Add missing entries to nl80211.h and fix the kernel-doc notation in cfg80211.h. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
It should be NL80211_SCHED_SCAN_MATCH_ATTR_SSID as documented, not NL80211_ATTR_SCHED_SCAN_MATCH_SSID. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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