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* nl80211: add authorized flag to ROAM eventAvraham Stern2017-06-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Drivers that initiate roaming while being connected to a network that uses 802.1X authentication need to inform user space if 802.1X authentication is further required after roaming. For example, when using the Fast transition protocol, roaming within the mobility domain does not require new 802.1X authentication, but roaming to another mobility domain does. In addition, some drivers may not support 802.1X authentication (so it has to be done in user space), while other drivers do. Add a flag to the roaming notification to indicate if user space is required to do 802.1X authentication after the roaming or not. This flag will only be used for networks that use 802.1X authentication. For networks that do not use 802.1X authentication it is assumed that no further action is required from user space after the roaming notification. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [arend.vanspriel@broadcom.com reuse NL80211_ATTR_PORT_AUTHORIZED] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [rebase to apply w/o the flag in CONNECT] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: support 4-way handshake offloading for 802.1XAvraham Stern2017-06-131-0/+32
| | | | | | | | | | | | | | | | Add API for setting the PMK to the driver. For FT support, allow setting also the PMK-R0 Name. This can be used by drivers that support 4-Way handshake offload while IEEE802.1X authentication is managed by upper layers. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> [arend.vanspriel@broadcom.com: add WANT_1X_4WAY_HS attribute] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [reword NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X docs a bit to say that the device may require it] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: support 4-way handshake offloading for WPA/WPA2-PSKEliad Peller2017-06-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Let drivers advertise support for station-mode 4-way handshake offloading with a new NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK flag. Extend use of NL80211_ATTR_PMK attribute indicating it might be passed as part of NL80211_CMD_CONNECT command, and contain the PSK (which is the PMK, hence the name.) The driver/device is assumed to handle the 4-way handshake by itself in this case (including key derivations, etc.), instead of relying on the supplicant. This patch is somewhat based on this one (by Vladimir Kondratiev): https://patchwork.kernel.org/patch/1309561/. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [arend.vanspriel@broadcom.com rebase dealing with existing ATTR_PMK] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [reword NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK docs to indicate that this offload might be required] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* wireless: Only join DFS channels in mesh mode if userspace flags supportBenjamin Berg2017-05-191-0/+4
| | | | | | | | | | | | | When joining a mesh network it is not guaranteed that userspace has a daemon listening for radar events. This is however required for channels requiring DFS. To flag that userspace will handle radar events, it needs to set NL80211_ATTR_HANDLE_DFS. This matches the current mechanism used for IBSS mode. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: fix multi scheduled scan kernel-docJohannes Berg2017-05-081-1/+1
| | | | | | | | | | Replace @results_wk with @report_results, which was missed in an earlier patch between revisions thereof. Fixes: b34939b98369 ("cfg80211: add request id to cfg80211_sched_scan_*() api") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: make RATE_INFO_BW_20 the defaultJohannes Berg2017-05-041-1/+1
| | | | | | | | | | | | | | | | | | | | Due to the way I did the RX bitrate conversions in mac80211 with spatch, going setting flags to setting the value, many drivers now don't set the bandwidth value for 20 MHz, since with the flags it wasn't necessary to (there was no 20 MHz flag, only the others.) Rather than go through and try to fix up all the drivers, instead renumber the enum so that 20 MHz, which is the typical bandwidth, actually has the value 0, making those drivers all work again. If VHT was hit used with a driver not reporting it, e.g. iwlmvm, this manifested in hitting the bandwidth warning in cfg80211_calculate_bitrate_vht(). Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Tested-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cfg80211: add request id to cfg80211_sched_scan_*() apiArend Van Spriel2017-04-281-3/+8
| | | | | | | | | | | | Have proper request id filled in the SCHED_SCAN_RESULTS and SCHED_SCAN_STOPPED notifications toward user-space by having the driver provide it through the api. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: unify cfg80211_roamed() and cfg80211_roamed_bss()Avraham Stern2017-04-281-32/+26
| | | | | | | | | | | | | | | | cfg80211_roamed() and cfg80211_roamed_bss() take the same arguments except that cfg80211_roamed() requires the BSSID and cfg80211_roamed_bss() requires the bss entry. Unify the two functions by using a struct for driver initiated roaming information so that either the BSSID or the bss entry can be passed as an argument to the unified function. Signed-off-by: Avraham Stern <avraham.stern@intel.com> [modified the ath6k, brcm80211, rndis and wlan-ng drivers accordingly] Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [modify brcmfmac to remove the useless cast, spotted by Arend] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add request id parameter to .sched_scan_stop() signatureArend Van Spriel2017-04-261-7/+8
| | | | | | | | | | | | For multiple scheduled scan support the driver needs to know which scheduled scan request is being stopped. Pass the request id in the .sched_scan_stop() callback. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: add support for BSSIDs in scheduled scan matchsetsArend Van Spriel2017-04-261-1/+5
| | | | | | | | | | | | This patch allows for the scheduled scan request to specify matchsets for specific BSSIDs. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [docs, netlink policy fix] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: allow multiple active scheduled scan requestsArend Van Spriel2017-04-261-1/+8
| | | | | | | | | | | | | | | | | | | This patch implements the idea to have multiple scheduled scan requests running concurrently. It mainly illustrates how to deal with the incoming request from user-space in terms of backward compatibility. In order to use multiple scheduled scans user-space needs to provide a flag attribute NL80211_ATTR_SCHED_SCAN_MULTI to indicate support. If not the request is treated as a legacy scan. Drivers currently supporting scheduled scan are now indicating they support a single scheduled scan request. This obsoletes WIPHY_FLAG_SUPPORTS_SCHED_SCAN. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [clean up netlink destroy path to avoid allocations, code cleanups] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: simplify netlink socket owner interface deletionJohannes Berg2017-04-261-2/+4
| | | | | | | | | | There's no need to allocate a portid structure and then, for each of those, walk the interfaces - we can just add a flag to each interface and walk those directly. Due to padding in the struct, we can even do it without any memory cost, and it even simplifies the code. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: add request id in scheduled scan event messagesArend Van Spriel2017-04-181-0/+2
| | | | | | | | | | | | | | For multi-scheduled scan support in subsequent patch a request id will be added. This patch add this request id to the scheduled scan event messages. For now the request id will always be zero. With multi-scheduled scan its value will inform user-space to which scan the event relates. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: move add/change interface monitor flags into paramsJohannes Berg2017-04-131-2/+6
| | | | | | | | | | | | Instead passing both flags, which can be NULL, and vif_params, which are never NULL, move the flags into the vif_params and use BIT(0), which is invalid from userspace, to indicate that the flags were changed. While updating all drivers, fix a small bug in wil6210 where it was setting the flags to 0 instead of leaving them unchanged. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow leaving MU-MIMO monitor configuration unchangedJohannes Berg2017-04-131-3/+6
| | | | | | | | | | | | When changing monitor parameters, not setting the MU-MIMO attributes should mean that they're not changed - it's documented that to turn the feature off it's necessary to set all-zero group membership and an invalid follow-address. This isn't implemented. Fix this by making the parameters pointers, stop reusing the macaddr struct member, and documenting that NULL pointers mean unchanged. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add documentation for cfg80211_get_bss()Johannes Berg2017-03-311-1/+11
| | | | | | This was missing, but is referenced a lot in the documentation. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Add support for FILS shared key authentication offloadVidyullatha Kanchanapally2017-03-311-2/+55
| | | | | | | | | | | | | | | | Enhance nl80211 and cfg80211 connect request and response APIs to support FILS shared key authentication offload. The new nl80211 attributes can be used to provide additional information to the driver to establish a FILS connection. Also enhance the set/del PMKSA to allow support for adding and deleting PMKSA based on FILS cache identifier. Add a new feature flag that drivers can use to advertize support for FILS shared key authentication and association in station mode when using their own SME. Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Use a structure to pass connect response paramsVidyullatha Kanchanapally2017-03-311-8/+83
| | | | | | | | | | | | Currently the connect event from driver takes all the connection response parameters as arguments. With support for new features these response parameters can grow. Use a structure to pass these parameters rather than passing them as function arguments. Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> [add to documentation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Accept multiple RSSI thresholds for CQMAndrew Zaborowski2017-03-061-0/+13
| | | | | | | | | | | | | | | | | | | | | | | Change the SET CQM command's RSSI threshold attribute to accept any number of thresholds as a sorted array. The API should be backwards compatible so that if one s32 threshold value is passed, the old mechanism is enabled. The netlink event generated is the same in both cases. cfg80211 handles an arbitrary number of RSSI thresholds but drivers have to provide a method (set_cqm_rssi_range_config) that configures a range set by a high and a low value. Drivers have to call back when the RSSI goes out of that range and there's no additional event for each time the range is reconfigured as there was with the current one-threshold API. This method doesn't have a hysteresis parameter because there's no benefit to the cfg80211 code from having the hysteresis be handled by hardware/driver in terms of the number of wakeups. At the same time it would likely be less consistent between drivers if offloaded or done in the drivers. Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* scripts/spelling.txt: add "disassocation" pattern and fix typo instancesMasahiro Yamada2017-02-281-1/+1
| | | | | | | | | | | Fix typos and add the following to the scripts/spelling.txt: disassocation||disassociation Link: http://lkml.kernel.org/r/1481573103-11329-27-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cfg80211: fix NAN bands definitionLuca Coelho2017-02-091-5/+13
| | | | | | | | | | | | | | | The nl80211_nan_dual_band_conf enumeration doesn't make much sense. The default value is assigned to a bit, which makes it weird if the default bit and other bits are set at the same time. To improve this, get rid of NL80211_NAN_BAND_DEFAULT and add a wiphy configuration to let the drivers define which bands are supported. This is exposed to the userspace, which then can make a decision on which band(s) to use. Additionally, rename all "dual_band" elements to "bands", to make things clearer. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Pass new RSSI level in CQM RSSI notificationAndrzej Zaborowski2017-02-081-1/+2
| | | | | | | | | | | | | | | | | | Update the drivers to pass the RSSI level as a cfg80211_cqm_rssi_notify parameter and pass this value to userspace in a new nl80211 attribute. This helps both userspace and also helps in the implementation of the multiple RSSI thresholds CQM mechanism. Note for marvell/mwifiex I pass 0 for the RSSI value because the new RSSI value is not available to the driver at the time of the cfg80211_cqm_rssi_notify call, but the driver queries the new value immediately after that, so it is actually available just a moment later if we wanted to defer caling cfg80211_cqm_rssi_notify until that moment. Without this, the new cfg80211 code (patch 3) will call .get_station which will send a duplicate HostCmd_CMD_RSSI_INFO command to the hardware. Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: add HT/VHT capabilities to AP parametersJohannes Berg2017-02-081-0/+8
| | | | | | | | | For the benefit of drivers that rebuild IEs in firmware, parse the IEs for HT/VHT capabilities and the respective membership selector in the (extended) supported rates. This avoids duplicating the same code into all drivers that need this information. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: fix a documentation warningJohannes Berg2017-01-241-16/+47
| | | | | | | | | | The new restructured text parser complains about the formatting, and really this should be a definition list. In order to fix this without introducing trailing whitespace, convert to the inline kernel-doc format. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Fix documentation for connect resultJouni Malinen2017-01-131-10/+17
| | | | | | | | | | | | | | | | | The function documentation for cfg80211_connect_bss() and cfg80211_connect_result() was still claiming that they are used only for a success case while these functions can now be used to report both success and various failure cases. The actual use cases were already described in the connect() documentation. Update the function specific comments to note the failure cases and also describe how the special status == -1 case is used in cfg80211_connect_bss() to indicate a connection timeout based on the internal implementation in cfg80211_connect_timeout(). Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> [use tabs for indentation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Specify the reason for connect timeoutPurushottam Kushwaha2017-01-131-4/+14
| | | | | | | | | | | | This enhances the connect timeout API to also carry the reason for the timeout. These reason codes for the connect time out are represented by enum nl80211_timeout_reason and are passed to user space through a new attribute NL80211_ATTR_TIMEOUT_REASON (u32). Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> [keep gfp_t argument last] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Add support to sched scan to report better BSSsvamsi krishna2017-01-131-11/+25
| | | | | | | | | | | | Enhance sched scan to support option of finding a better BSS while in connected state. Firmware scans the medium and reports when it finds a known BSS which has better RSSI than the current connected BSS. New attributes to specify the relative RSSI (compared to the current BSS) are added to the sched scan to implement this. Signed-off-by: vamsi krishna <vamsin@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: NL80211_ATTR_SOCKET_OWNER support for CMD_CONNECTAndrzej Zaborowski2017-01-091-0/+7
| | | | | | | | | | | | | | | Disconnect or deauthenticate when the owning socket is closed if this flag is supplied to CMD_CONNECT or CMD_ASSOCIATE. This may be used to ensure userspace daemon doesn't leave an unmanaged connection behind. In some situations it would be possible to account for that, to some degree, in the deamon restart code or in the up/down scripts without the use of this attribute. But there will be systems where the daemon can go away for varying periods without a warning due to local resource management. Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: support ieee80211-freq-limit DT propertyRafał Miłecki2017-01-061-0/+28
| | | | | | | | | | | | | | | | This patch adds a helper for reading that new property and applying limitations of supported channels specified this way. It is used with devices that normally support a wide wireless band but in a given config are limited to some part of it (usually due to board design). For example a dual-band chipset may be able to support one band only because of used antennas. It's also common that tri-band routers have separated radios for lower and higher part of 5 GHz band and it may be impossible to say which is which without a DT info. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> [add new function to documentation, fix link] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: get rid of name indirection trick for ieee80211_get_channel()Arend Van Spriel2016-12-131-14/+3
| | | | | | | | | The comment on the name indirection suggested an issue but turned out to be untrue. Digging in older kernel version showed issue with ipw2x00 but that is no longer true so get rid on the name indirection. Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211/mac80211: fix BSS leaks when abandoning assoc attemptsJohannes Berg2016-12-091-0/+11
| | | | | | | | | | | | | | | | | | | When mac80211 abandons an association attempt, it may free all the data structures, but inform cfg80211 and userspace about it only by sending the deauth frame it received, in which case cfg80211 has no link to the BSS struct that was used and will not cfg80211_unhold_bss() it. Fix this by providing a way to inform cfg80211 of this with the BSS entry passed, so that it can clean up properly, and use this ability in the appropriate places in mac80211. This isn't ideal: some code is more or less duplicated and tracing is missing. However, it's a fairly small change and it's thus easier to backport - cleanups can come later. Cc: stable@vger.kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2016-10-301-42/+65
|\ | | | | | | | | | | | | | | | | Mostly simple overlapping changes. For example, David Ahern's adjacency list revamp in 'net-next' conflicted with an adjacency list traversal bug fix in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2016-10-301-8/+24
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: "Lots of fixes, mostly drivers as is usually the case. 1) Don't treat zero DMA address as invalid in vmxnet3, from Alexey Khoroshilov. 2) Fix element timeouts in netfilter's nft_dynset, from Anders K. Pedersen. 3) Don't put aead_req crypto struct on the stack in mac80211, from Ard Biesheuvel. 4) Several uninitialized variable warning fixes from Arnd Bergmann. 5) Fix memory leak in cxgb4, from Colin Ian King. 6) Fix bpf handling of VLAN header push/pop, from Daniel Borkmann. 7) Several VRF semantic fixes from David Ahern. 8) Set skb->protocol properly in ip6_tnl_xmit(), from Eli Cooper. 9) Socket needs to be locked in udp_disconnect(), from Eric Dumazet. 10) Div-by-zero on 32-bit fix in mlx4 driver, from Eugenia Emantayev. 11) Fix stale link state during failover in NCSCI driver, from Gavin Shan. 12) Fix netdev lower adjacency list traversal, from Ido Schimmel. 13) Propvide proper handle when emitting notifications of filter deletes, from Jamal Hadi Salim. 14) Memory leaks and big-endian issues in rtl8xxxu, from Jes Sorensen. 15) Fix DESYNC_FACTOR handling in ipv6, from Jiri Bohac. 16) Several routing offload fixes in mlxsw driver, from Jiri Pirko. 17) Fix broadcast sync problem in TIPC, from Jon Paul Maloy. 18) Validate chunk len before using it in SCTP, from Marcelo Ricardo Leitner. 19) Revert a netns locking change that causes regressions, from Paul Moore. 20) Add recursion limit to GRO handling, from Sabrina Dubroca. 21) GFP_KERNEL in irq context fix in ibmvnic, from Thomas Falcon. 22) Avoid accessing stale vxlan/geneve socket in data path, from Pravin Shelar" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (189 commits) geneve: avoid using stale geneve socket. vxlan: avoid using stale vxlan socket. qede: Fix out-of-bound fastpath memory access net: phy: dp83848: add dp83822 PHY support enic: fix rq disable tipc: fix broadcast link synchronization problem ibmvnic: Fix missing brackets in init_sub_crq_irqs ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context Revert "ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context" arch/powerpc: Update parameters for csum_tcpudp_magic & csum_tcpudp_nofold net/mlx4_en: Save slave ethtool stats command net/mlx4_en: Fix potential deadlock in port statistics flow net/mlx4: Fix firmware command timeout during interrupt test net/mlx4_core: Do not access comm channel if it has not yet been initialized net/mlx4_en: Fix panic during reboot net/mlx4_en: Process all completions in RX rings after port goes up net/mlx4_en: Resolve dividing by zero in 32-bit system net/mlx4_core: Change the default value of enable_qos net/mlx4_core: Avoid setting ports to auto when only one port type is supported net/mlx4_core: Fix the resource-type enum in res tracker to conform to FW spec ...
| | * cfg80211: add ability to check DA/SA in A-MSDU decapsulationJohannes Berg2016-10-121-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should not accept arbitrary DA/SA inside A-MSDUs, it could be used to circumvent protections, like allowing a station to send frames and make them seem to come from somewhere else. Add the necessary infrastructure in cfg80211 to allow such checks, in further patches we'll start using them. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | * cfg80211: let ieee80211_amsdu_to_8023s() take only header-less SKBJohannes Berg2016-10-121-9/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | There's only a single case where has_80211_header is passed as true, which is in mac80211. Given that there's only simple code that needs to be done before calling it, export that function from cfg80211 instead and let mac80211 call it itself. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | Merge tag 'docs-4.9-2' of git://git.lwn.net/linuxLinus Torvalds2016-10-141-35/+42
| |\ \ | | |/ | |/| | | | | | | | | | | | | | | | | | | Pull one more documentation update from Jonathan Corbet: "A single commit converting the mac80211 DocBook template over to Sphinx. Only 32 more to go..." * tag 'docs-4.9-2' of git://git.lwn.net/linux: docs-rst: sphinxify 802.11 documentation
| | * docs-rst: sphinxify 802.11 documentationJohannes Berg2016-10-121-35/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is just a very basic conversion, I've split up the original multi-book template, and also split up the multi-part mac80211 part in the original book; neither of those were handled by the automatic pandoc conversion. Fix errors that showed up, resulting in a much nicer rendering, at least for the interface combinations documentation. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | | cfg80211: Add support to update connection parametersvamsi krishna2016-10-271-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add functionality to update the connection parameters when in connected state, so that driver/firmware uses the updated parameters for subsequent roaming. This is for drivers that support internal BSS selection and roaming. The new command does not change the current association state, i.e., it can be used to update IE contents for future (re)associations without causing an immediate disassociation or reassociation with the current BSS. This commit implements the required functionality for updating IEs for (Re)Association Request frame only. Other parameters can be added in future when required. Signed-off-by: vamsi krishna <vamsin@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: configure multicast to unicast for AP interfacesMichael Braun2016-10-271-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the ability to configure if an AP (and associated VLANs) will do multicast-to-unicast conversion for ARP, IPv4 and IPv6 frames (possibly within 802.1Q). If enabled, such frames are to be sent to each station separately, with the DA replaced by their own MAC address rather than the group address. Note that this may break certain expectations of the receiver, such as the ability to drop unicast IP packets received within multicast L2 frames, or the ability to not send ICMP destination unreachable messages for packets received in L2 multicast (which is required, but the receiver can't tell the difference if this new option is enabled.) This also doesn't implement the 802.11 DMS (directed multicast service). Signed-off-by: Michael Braun <michael-dev@fami-braun.de> [fix disabling, add better documentation & commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: Add KEK/nonces for FILS association framesJouni Malinen2016-10-271-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | The new nl80211 attributes can be used to provide KEK and nonces to allow the driver to encrypt and decrypt FILS (Re)Association Request/Response frames in station mode. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: Define IEEE P802.11ai (FILS) information elementsJouni Malinen2016-10-271-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Define the Element IDs and Element ID Extensions from IEEE P802.11ai/D11.0. In addition, add a new cfg80211_find_ext_ie() wrapper to make it easier to find information elements that used the Element ID Extension field. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: Rename SAE_DATA to more generic AUTH_DATAJouni Malinen2016-10-271-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds defines and nl80211 extensions to allow FILS Authentication to be implemented similarly to SAE. FILS does not need the special rules for the Authentication transaction number and Status code fields, but it does need to add non-IE fields. The previously used NL80211_ATTR_SAE_DATA can be reused for this to avoid having to duplicate that implementation. Rename that attribute to more generic NL80211_ATTR_AUTH_DATA (with backwards compatibility define for NL80211_SAE_DATA). Also document the special rules related to the Authentication transaction number and Status code fiels. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: validate beacon int as part of iface combinationsJohannes Berg2016-10-271-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the pointless checking against interface combinations in the initial basic beacon interval validation, that currently isn't taking into account radar detection or channels properly. Instead, just validate the basic range there, and then delay real checking to the interface combination validation that drivers must do. This means that drivers wanting to use the beacon_int_min_gcd will now have to pass the new_beacon_int when validating the AP/mesh start. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: add generic helper to check interface is runningArend Van Spriel2016-10-271-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a helper using wdev to check if interface is running. This deals with both non-netdev and netdev interfaces. In struct wireless_dev replace 'p2p_started' and 'nan_started' by 'is_running' as those are mutually exclusive anyway, and unify all the code to use wdev_running(). Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: allow aborting in-progress connection atttemptsIlan Peer2016-10-191-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On a disconnect request from userspace, cfg80211 currently calls called rdev_disconnect() only in case that 'current_bss' was set, i.e. connection had been established. Change this to allow the userspace call to succeed and call the driver's disconnect() method also while the connection attempt is in progress, to be able to abort attempts. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [change commit subject/message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | mac80211: uapsd_queues is in QoS IE orderEmmanuel Grumbach2016-10-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The uapsd_queue field is in QoS IE order and not in IEEE80211_AC_*'s order. This means that mac80211 would get confused between BK and BE which is certainly not such a big deal but needs to be fixed. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: support virtual interfaces with different beacon intervalsPurushottam Kushwaha2016-10-131-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit provides a mechanism for the host drivers to advertise the support for different beacon intervals among the respective interface combinations in a group, through NL80211_IFACE_COMB_BI_MIN_GCD (u32). This value will be compared against GCD of all beaconing interfaces of matching combinations. If the driver doesn't advertise this value, the old behaviour where all beacon intervals must be identical is retained. If it is specified, then any beacon interval for an interface in the interface combination as well as the GCD of all active beacon intervals in the combination must be greater or equal to this value. Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com> [change commit message, some variable names, small other things] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | cfg80211: pass struct to interface combination check/iterPurushottam Kushwaha2016-10-131-22/+24
|/ / | | | | | | | | | | | | | | | | | | Move the growing parameter list to a structure for the interface combination check and iteration functions in cfg80211 and mac80211 to make the code easier to understand. Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com> [edit commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | cfg80211: Provide an API to report NAN function terminationAyala Beker2016-09-301-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | Provide a function that reports NAN DE function termination. The function may be terminated due to one of the following reasons: user request, ttl expiration or failure. If the NAN instance is tied to the owner, the notification will be sent to the socket that started the NAN interface only Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | cfg80211: provide a function to report a match for NANAyala Beker2016-09-301-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | Provide a function the driver can call to report a match. This will send the event to the user space. If the NAN instance is tied to the owner, the notifications will be sent to the socket that started the NAN interface only. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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