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* | Merge branch 'for-john' of ↵John W. Linville2012-11-16
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next Conflicts: drivers/net/wireless/iwlwifi/pcie/trans.c
| * | iwlwifi: return commands with error on FW errorJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a firmware error occurs, don't just abort synchronous commands but also return an error (-EIO) and block any new commands as well. Currently, an error is only returned if WANT_SKB was set which is confusing and can lead to issues. Blocking is done until a new firmware image is loaded. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: fix typo in RX data tracingJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | The printk message should say RX, not TX. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: remove useless messagesJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | There's no need to print the PCI resource length and base address, nor the hardware revision ID (which can be found in lspci) Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: remove SKU/antenna messages by defaultJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | There's no reason to print these all the time, the messages aren't all that interesting. Leave them as DEBUG_INFO though, just in case. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: remove EEPROM version message by defaultJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the EEPROM reading was successful, don't print a message by default, the EEPROM version isn't all that interesting. Change the message to DEBUG_INFO priority so it can still be obtained. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: zero trans_cfg before settings its fieldsEmmanuel Grumbach2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | People tend not to set the fields they want to leave as 0. So make sure the struct is zeroed properly. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: check the SCD conf from ALIVE responseEmmanuel Grumbach2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ALIVE response of new fw inclues the base address of the SCD in SRAM. Until we read it from a prph register, which was set by the fw. Since the fw might well stop updating the prph register, add a WARN when there is an inconsitency between the ALIVE response and the register to catch any change in the behavior. Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: use list_first_entryJohannes Berg2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | Instead of open-coding it with a temporary list_head pointer, just use list_first_entry. Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: fix queue flush confusionJohannes Berg2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The flush_control parameter to iwlagn_txfifo_flush is passed as an internal value (context flags) and then sent to the device, that can't be right. Fix the confusion by removing the parameter, always use IWL_DROP_ALL that is redefined according to the firmware API in the flush control. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: don't clear CTL_AMPDU on frame statusJohannes Berg2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no reason to clear the CTL_AMPDU flag on transmitted frame status, it's not used by the driver here and mac80211 only uses it for some rate statistics. Also remove a stray space in the function. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: fix flush commandJohannes Berg2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The flush command really flushes queues, not FIFOs, and the first 32 bits indicate the queues to flush, not FIFOs. Change the command accordingly. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: don't call stop_device twiceEmmanuel Grumbach2012-10-31
| | | | | | | | | | | | | | | | | | | | | When we unregister from mac80211 it will down the device anyway. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: handle RFKILL logic in the transport layerEmmanuel Grumbach2012-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No HCMD can be sent while RFKILL is asserted. If a SYNC command is running while RFKILL is asserted the fw will silently discard it. This means that the driver needs to wake the process that sleeps on the CMD_SYNC. Since the RFKILL interrupt is handled in the transport layer and the code that sleeps in CMD_SYNC is also in the transport layer, all this logic can be handled there. This simplifies the work of the op_mode. So the transport layer will now return -ERFKILL when a CMD is sent and RFKILL is asserted. This will be the case even when the CMD is SYNC. The transport layer will return -ERFKILL straight away. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: clarify NOCOPY/DUP documentationJohannes Berg2012-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clarify the documentation to indicate that these flags can only be used at the end, i.e. after them a copy TFD (no flags set) is invalid. Reported-by: Inbal Hacohen <inbal.hacohen@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: support host command with copied dataJohannes Berg2012-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In addition to the NOCOPY flag, add a DUP flag that tells the transport to kmemdup() the buffer and free it after the command completes. Currently this is only supported for a single buffer in a given command, but that could be extended if it should be needed. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: remove MFP Kconfig optionAssaf Krauss2012-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the Kconfig option CONFIG_IWLWIFI_EXPERIMENTAL_MFP, if the firmware doesn't support MFP then the user shouldn't have the option to enable it as it won't work correctly. Signed-off-by: Assaf Krauss <assaf.krauss@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | iwlwifi: don't leak Tx skb when a queue is disabledEmmanuel Grumbach2012-10-23
| | | | | | | | | | | | | | | | | | | | | | | | Since the queue might not be empty, we need to free the pending Tx packets. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | Merge branch 'for-john' of ↵John W. Linville2012-11-16
|\ \ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
| * | | mac80211: reassign channel contexts before stationsJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since channel contexts are usually present before stations can be added to an interface, reassign before stations them in reconfiguration as well. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: clarify interface iteration and make it configurableJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During hardware restart, all interfaces are iterated even though they haven't been re-added to the driver, document this behaviour. The same also happens during resume, which is even more confusing since all of the interfaces were previously removed from the driver. Make this optional so drivers relying on the current behaviour can still use it, but to let drivers that don't want this behaviour disable it. Also convert all API users, keeping the old semantics except in hwsim, where the new normal ones are desired. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: call driver method when restart completesJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the driver requests a restart (reconfiguration) it gets all the normal method calls, but can't really tell why they're happening. Call a new restart_complete op in the driver when the restart completes, so it could keep its own state about the restart and clear it there. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: remove unused tracepointJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clearly the tracepoint drv_offchannel_tx was forgotten when that functionality was removed, remove it now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: add debugfs file for HW queuesJohannes Berg2012-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a debugfs file showing which HW queues were allocated to a virtual interface, including the CAB queue for AP interfaces. Change-Id: I486924e961b6ad6785a79db09620919ee644e703 Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: fix TX error pathJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One error path in ieee80211_subif_start_xmit() will double-free the SKB. Set it to NULL to prevent that. This issue was introduced by my channel context changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: include export.h in aes_cmacEmmanuel Grumbach2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is needed since this file exports functions. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: use kstrtoull return valueJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If kstrtoull() returns an error code (a value smaller than zero), use it since it can be an error other than -EINVAL. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: fix race in TKIP MIC test debugfs fileJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accessing sdata->vif.bss_conf.bssid without any protection here is racy, use u.mgd.associated instead and lock the correct mutex for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: use mac_ptonJohannes Berg2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of implementing practically the same function (hwaddr_aton) use mac_pton. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | nl80211: send the NL80211_ATTR_SSID in nl80211_send_iface()Antonio Quartulli2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The userspace may want to know what is the current ssid that a given interface is using. This patch enables nl80211 to send the NL80211_ATTR_SSID attribute in nl80211_send_iface(). Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | cfg80211: store the ssid into wirless_dev in AP modeAntonio Quartulli2012-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Store the configured ssid in wdev->ssid when starting an AP Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: pass P2P powersave parameters to driverJohannes Berg2012-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While connected to a GO, parse the P2P NoA attribute and pass the CT Window and opportunistic powersave parameters to the driver. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | wireless: add utility function to get P2P attributeJohannes Berg2012-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Parsing the P2P attributes can be tricky as their contents can be split across multiple (vendor) IEs. Thus, it's not possible to parse them like IEs (by returning a pointer to the data.) Instead, provide a function that copies the attribute data into a caller-provided buffer and returns the size needed (useful in case the buffer was too small.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | cfg80211: allow registering more than one beacon listenerBen Greear2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit: commit 5e760230e42cf759bd923457ca2753aacf2e656e Author: Johannes Berg <johannes.berg@intel.com> Date: Fri Nov 4 11:18:17 2011 +0100 cfg80211: allow registering to beacons allowed only a single process to register for beacon events per wiphy. This breaks cases where a user may want two or more VIFs on a wiphy and run a seperate hostapd process on each vif. This patch allows multiple beacon listeners, fixing the regression. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: implement set_mcast_rate() callbackAntonio Quartulli2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This new callback can be used to tune the rate to be used to send multicast frames. In the current state the multicast rate can be specified on IBSS/MESH joining only. This makes it impossible to select a custom multicast rate when then join command is sent by an external program (e.g. wpa_supplicant) Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | nl/cfg80211: add the NL80211_CMD_SET_MCAST_RATE commandAntonio Quartulli2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This command triggers a new callback: set_mcast_rate(). It enables the user to change the rate used to send multicast frames for vif configured as IBSS or MESH_POINT Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | wireless: add peer-to-peer related definitionsArend van Spriel2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Peer-to-Peer IE is vendor-specific IE identified by WiFi Alliance OUI and specific P2P OUI type. The payload of this IE consists of so-called P2P attributes. This patch adds definitions for processing these attributes. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: send deauth only with channel contextJohannes Berg2012-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When userspace asks to deauthenticate and we're just authenticated (or still authenticating) send a deauth frame instead of deleting the auth request. On the other hand, if we've just disassociated and therefore deleted all our state already, drop the deauth request because we no longer have a channel context to send it on. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: use a counter for remain-on-channel cookieJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using the pointer which can be re-used fairly quickly due to allocator patterns and then makes debugging difficult, maintain a counter and use its value. Since it's a 64-bit value it can't really wrap, but catch that case anyway since it most likely points to a bug somewhere. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: combine status/drop reportingJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The TX status reporting is done for both the nl80211 report as well as the socket option. The socket option is also reported when an skb is dropped to guarantee that the copy in the IDR tree is freed and status is reported to userspace. However, when a frame is dropped, no nl80211 status is reported. This can cause userspace to stop making progress while waiting for a status notification. Combine the nl80211 and socket option status reporting into a new function and call it in both places -- when the status comes in from the driver and when the skb is dropped. While at it, also simplify the code in the nl80211 portion a bit. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211_hwsim: print per interface TX powerJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Just for debugging, print the interface TX power whenever it changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211: handle TX power per virtual interfaceJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Even before channel contexts/multi-channel, having a single global TX power limit was already problematic, in particular if two managed interfaces connected to two APs with different power constraints. The channel context introduction completely broke this though and in fact I had disabled TX power configuration there for drivers using channel contexts. Change everything to track TX power per interface so that different user settings and different channel maxima are treated correctly. Also continue tracking the global TX power though for compatibility with applications that attempt to configure the wiphy's TX power globally. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | cfg80211: allow per interface TX power settingJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The TX power setting is currently per wiphy (hardware device) but with multi-channel capabilities that doesn't make much sense any more. Allow drivers (and mac80211) to advertise support for per-interface TX power configuration. When the TX power is configured for the wiphy, the wdev will be NULL and the driver can still handle that, but when a wdev is given the TX power can be set only for that wdev now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | nl80211: move "can set channel" checkJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Setting the wdev to NULL when the channel can't be set for that interface type (to treat the channel setting for the wiphy/monitor) currently works, but is confusing in the code if netdev/wdev aren't both set/unset in the same way. Move the check whether the channel can be set to where it's needed so that wdev and netdev are always both assigned or NULL. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | mac80211_hwsim: allow using channel contextsJohannes Berg2012-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To use mac80211_hwsim for testing channel contexts it has to support them, and for that it has to support hw scan and hw-remain-on-channel. Since it's pure software, the off-channel activities are really not off-channel but listening and sending on a second channel. Also, the multi-channel isn't really doing TDM, it's just on both channels at the same time. For testing purposes, you can specify the number of concurrent channels with a module parameter, it is set to one by default. When set to two or more, the userspace API for wmediumd is disabled as it has no provisions for multi-channel yet. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | Merge remote-tracking branch 'wireless-next/master' into mac80211-nextJohannes Berg2012-10-30
| |\ \ \
| * | | | mac80211: add explicit AP/GO driver operationsJohannes Berg2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Depending on the driver, a lot of setup may be necessary to start operating as an AP, some of which may fail. Add an explicit AP start driver method to make such failures easier to handle, and add an AP stop driver method for symmetry. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | mac80211: move AP teardown code to correct placeJohannes Berg2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since cfg80211 will now call the explicit stop_ap operation when an AP interface goes down, move all teardown code there and remove it from interface handling. The only thing that needs to stay is the code to dev_close() all dependent VLANs. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | mac80211: a few formatting fixesJohannes Berg2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a few code formatting issues in the RX code. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | | | mwl8k: Set packet timestamp to 0 when life time expiry is not usedNishant Sarmukadam2012-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Set tx packet timestamp to 0 in following scenarios:- - All packets in STA mode - Mgmt packets in AP mode - Eapol packets in AP mode In STA mode, this field is unused in the firmware. In AP mode, we should not be expiring mgmt and eapol frames. Setting timestamp to 0 will ensure that. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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