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2016-04-12nl80211: check netlink protocol in socket release notificationDmitry Ivanov
A non-privileged user can create a netlink socket with the same port_id as used by an existing open nl80211 netlink socket (e.g. as used by a hostapd process) with a different protocol number. Closing this socket will then lead to the notification going to nl80211's socket release notification handler, and possibly cause an action such as removing a virtual interface. Fix this issue by checking that the netlink protocol is NETLINK_GENERIC. Since generic netlink has no notifier chain of its own, we can't fix the problem more generically. Fixes: 026331c4d9b5 ("cfg80211/mac80211: allow registering for and sending action frames") Cc: stable@vger.kernel.org Signed-off-by: Dmitry Ivanov <dima@ubnt.com> [rewrite commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-03-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking updates from David Miller: "Highlights: 1) Support more Realtek wireless chips, from Jes Sorenson. 2) New BPF types for per-cpu hash and arrap maps, from Alexei Starovoitov. 3) Make several TCP sysctls per-namespace, from Nikolay Borisov. 4) Allow the use of SO_REUSEPORT in order to do per-thread processing of incoming TCP/UDP connections. The muxing can be done using a BPF program which hashes the incoming packet. From Craig Gallek. 5) Add a multiplexer for TCP streams, to provide a messaged based interface. BPF programs can be used to determine the message boundaries. From Tom Herbert. 6) Add 802.1AE MACSEC support, from Sabrina Dubroca. 7) Avoid factorial complexity when taking down an inetdev interface with lots of configured addresses. We were doing things like traversing the entire address less for each address removed, and flushing the entire netfilter conntrack table for every address as well. 8) Add and use SKB bulk free infrastructure, from Jesper Brouer. 9) Allow offloading u32 classifiers to hardware, and implement for ixgbe, from John Fastabend. 10) Allow configuring IRQ coalescing parameters on a per-queue basis, from Kan Liang. 11) Extend ethtool so that larger link mode masks can be supported. From David Decotigny. 12) Introduce devlink, which can be used to configure port link types (ethernet vs Infiniband, etc.), port splitting, and switch device level attributes as a whole. From Jiri Pirko. 13) Hardware offload support for flower classifiers, from Amir Vadai. 14) Add "Local Checksum Offload". Basically, for a tunneled packet the checksum of the outer header is 'constant' (because with the checksum field filled into the inner protocol header, the payload of the outer frame checksums to 'zero'), and we can take advantage of that in various ways. From Edward Cree" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1548 commits) bonding: fix bond_get_stats() net: bcmgenet: fix dma api length mismatch net/mlx4_core: Fix backward compatibility on VFs phy: mdio-thunder: Fix some Kconfig typos lan78xx: add ndo_get_stats64 lan78xx: handle statistics counter rollover RDS: TCP: Remove unused constant RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket net: smc911x: convert pxa dma to dmaengine team: remove duplicate set of flag IFF_MULTICAST bonding: remove duplicate set of flag IFF_MULTICAST net: fix a comment typo ethernet: micrel: fix some error codes ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it bpf, dst: add and use dst_tclassid helper bpf: make skb->tc_classid also readable net: mvneta: bm: clarify dependencies cls_bpf: reset class and reuse major in da ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c ldmvsw: Add ldmvsw.c driver code ...
2016-03-17Merge branch 'linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto update from Herbert Xu: "Here is the crypto update for 4.6: API: - Convert remaining crypto_hash users to shash or ahash, also convert blkcipher/ablkcipher users to skcipher. - Remove crypto_hash interface. - Remove crypto_pcomp interface. - Add crypto engine for async cipher drivers. - Add akcipher documentation. - Add skcipher documentation. Algorithms: - Rename crypto/crc32 to avoid name clash with lib/crc32. - Fix bug in keywrap where we zero the wrong pointer. Drivers: - Support T5/M5, T7/M7 SPARC CPUs in n2 hwrng driver. - Add PIC32 hwrng driver. - Support BCM6368 in bcm63xx hwrng driver. - Pack structs for 32-bit compat users in qat. - Use crypto engine in omap-aes. - Add support for sama5d2x SoCs in atmel-sha. - Make atmel-sha available again. - Make sahara hashing available again. - Make ccp hashing available again. - Make sha1-mb available again. - Add support for multiple devices in ccp. - Improve DMA performance in caam. - Add hashing support to rockchip" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits) crypto: qat - remove redundant arbiter configuration crypto: ux500 - fix checks of error code returned by devm_ioremap_resource() crypto: atmel - fix checks of error code returned by devm_ioremap_resource() crypto: qat - Change the definition of icp_qat_uof_regtype hwrng: exynos - use __maybe_unused to hide pm functions crypto: ccp - Add abstraction for device-specific calls crypto: ccp - CCP versioning support crypto: ccp - Support for multiple CCPs crypto: ccp - Remove check for x86 family and model crypto: ccp - memset request context to zero during import lib/mpi: use "static inline" instead of "extern inline" lib/mpi: avoid assembler warning hwrng: bcm63xx - fix non device tree compatibility crypto: testmgr - allow rfc3686 aes-ctr variants in fips mode. crypto: qat - The AE id should be less than the maximal AE number lib/mpi: Endianness fix crypto: rockchip - add hash support for crypto engine in rk3288 crypto: xts - fix compile errors crypto: doc - add skcipher API documentation crypto: doc - update AEAD AD handling ...
2016-03-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Several cases of overlapping changes, as well as one instance (vxlan) of a bug fix in 'net' overlapping with code movement in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-04wireless: use reset to set mac headerZhang Shengju
Since offset is zero, it's not necessary to use set function. Reset function is straightforward, and will remove the unnecessary add operation in set function. Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01Merge tag 'mac80211-next-for-davem-2016-02-26' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Here's another round of updates for -next: * big A-MSDU RX performance improvement (avoid linearize of paged RX) * rfkill changes: cleanups, documentation, platform properties * basic PBSS support in cfg80211 * MU-MIMO action frame processing support * BlockAck reordering & duplicate detection offload support * various cleanups & little fixes ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-24cfg80211: add radiotap VHT info to rtap_namespace_sizesLorenzo Bianconi
Add IEEE80211_RADIOTAP_VHT entry to rtap_namespace_sizes array in order to define alignment and size of VHT info in tx radiotap Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: Add global RRM capabilityBeni Lev
Today, the supplicant will add the RRM capabilities Information Element in the association request only if Quiet period is supported (NL80211_FEATURE_QUIET). Quiet is one of many RRM features, and there are other RRM features that are not related to Quiet (e.g. neighbor report). Therefore, requiring Quiet to enable RRM is too restrictive. Some of the features, like neighbor report, can be supported by user space without any help from the kernel. Hence adding the RRM capabilities IE to association request should be the sole user space's decision. Removing the RRM dependency on Quiet in the driver solves this problem, but using an old driver with a user space tool that would not require Quiet feature would be problematic: the user space would add NL80211_ATTR_USE_RRM in the association request even if the kernel doesn't advertize NL80211_FEATURE_QUIET and the association would be denied by the kernel. This solution adds a global RRM capability, that tells user space that it can request RRM capabilities IE publishment without any specific feature support in the kernel. Signed-off-by: Beni Lev <beni.lev@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: reuse existing page fragments in A-MSDU rxFelix Fietkau
This massively reduces data copying and thus improves rx performance Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: fix faulty variable initialization in ieee80211_amsdu_to_8023sFelix Fietkau
reuse_skb is set to true if the code decides to use the last segment. Fixes a memory leak Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: basic support for PBSS network typeLior David
PBSS (Personal Basic Service Set) is a new BSS type for DMG networks. It is similar to infrastructure BSS, having an AP-like entity called PCP (PBSS Control Point), but it has few differences. PBSS support is mandatory for 11ad devices. Add support for PBSS by introducing a new PBSS flag attribute. The PBSS flag is used in the START_AP command to request starting a PCP instead of an AP, and in the CONNECT command to request connecting to a PCP instead of an AP. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: add support for non-linear skbs in ieee80211_amsdu_to_8023sFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: add function for 802.3 conversion with separate output bufferFelix Fietkau
Use skb_copy_bits in preparation for allowing fragmented skbs Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24mac80211: move A-MSDU skb_linearize call to ieee80211_amsdu_to_8023sFelix Fietkau
Prepararation for zero-copy A-MSDU support with page fragment SKBs Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: Fix some linguistics in KconfigOla Olsson
Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24cfg80211: add more warnings for inconsistent opsOla Olsson
Print a warning whenever an expected callback function lacks implementation. Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-23cfg80211: stop critical protocol session upon disconnect eventArend van Spriel
When user-space has started a critical protocol session and a disconnect event occurs, the rdev::crit_prot_nlportid remains set. This caused a subsequent NL80211_CMD_CRIT_PROTO_START to fail (-EBUSY). Fix this by clearing the rdev attribute and call .crit_proto_stop() callback upon disconnect event. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-23nl80211: Zero out the connection keys memory when freeing them.Ola Olsson
The connection keys are zeroed out in all other cases except this one. Let's fix the last one as well. Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Reviewed-by: Julian Calaby <julian.calaby@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-29cfg80211/wext: fix message orderingJohannes Berg
Since cfg80211 frequently takes actions from its netdev notifier call, wireless extensions messages could still be ordered badly since the wext netdev notifier, since wext is built into the kernel, runs before the cfg80211 netdev notifier. For example, the following can happen: 5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff 5: wlan1: <BROADCAST,MULTICAST,UP> link/ether when setting the interface down causes the wext message. To also fix this, export the wireless_nlevent_flush() function and also call it from the cfg80211 notifier. Cc: stable@vger.kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-29wext: fix message delay/orderingJohannes Berg
Beniamino reported that he was getting an RTM_NEWLINK message for a given interface, after the RTM_DELLINK for it. It turns out that the message is a wireless extensions message, which was sent because the interface had been connected and disconnection while it was deleted caused a wext message. For its netlink messages, wext uses RTM_NEWLINK, but the message is without all the regular rtnetlink attributes, so "ip monitor link" prints just rudimentary information: 5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff Deleted 5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff 5: wlan1: <BROADCAST,MULTICAST,UP> link/ether (from my hwsim reproduction) This can cause userspace to get confused since it doesn't expect an RTM_NEWLINK message after RTM_DELLINK. The reason for this is that wext schedules a worker to send out the messages, and the scheduling delay can cause the messages to get out to userspace in different order. To fix this, have wext register a netdevice notifier and flush out any pending messages when netdevice state changes. This fixes any ordering whenever the original message wasn't sent by a notifier itself. Cc: stable@vger.kernel.org Reported-by: Beniamino Galvani <bgalvani@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-27lib80211: Use skcipher and ahashHerbert Xu
This patch replaces uses of blkcipher with skcipher and the long obsolete hash interface with ahash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-01-14cfg80211/mac80211: use to_delayed_workGeliang Tang
Use to_delayed_work() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-14cfg80211: remove CFG80211_REG_DEBUGJohannes Berg
Instead of having this Kconfig option, which just *floods* the kernel log, * remove the per-channel prints that are fairly useless anyway * convert the conditional printing to pr_debug() Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-14regulatory: fix world regulatory domain dataJohannes Berg
The rule definitions here aren't really valid, they would be rejected if it came from userspace due to the bandwidth specified being bigger than the rule's width. This is fairly much inconsequential since the other rules around them do enable the bandwidth, but express that better using the NL80211_RRF_AUTO_BW flag. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-14wireless: change cfg80211 regulatory domain info as debug messagesDave Young
cfg80211 module prints a lot of messages like below. Actually printing once is acceptable but sometimes it will print again and again, it looks very annoying. It is better to change these detail messages to debugging only. cfg80211: World regulatory domain updated: cfg80211: DFS Master region: unset cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A) cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s) cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) The changes in this patch is to replace pr_info with pr_debug in function print_rd_rules and print_regdomain_info Signed-off-by: Dave Young <dyoung@redhat.com> [change some pr_err() statements to at least keep the alpha2] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/geneve.c Here we had an overlapping change, where in 'net' the extraneous stats bump was being removed whilst in 'net-next' the final argument to udp_tunnel6_xmit_skb() was being changed. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-15nl80211: Fix potential memory leak in nl80211_connectOla Olsson
Free cached keys if the last early return path is taken. Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-15nl80211: Fix potential memory leak in nl80211_set_wowlanOla Olsson
Compared to cfg80211_rdev_free_wowlan in core.h, the error goto label lacks the freeing of nd_config. Fix that. Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-15nl80211: fix a few memory leaks in reg.cOla Olsson
The first leak occurs when entering the default case in the switch for the initiator in set_regdom. The second leaks a platform_device struct if the platform registration in regulatory_init succeeds but the sub sequent regulatory hint fails due to no memory. Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: reg: Refactor calculation of bandwidth flagsMichal Sojka
The same piece of code appears at two places. Make a function from it. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: handle add_station auth/assoc flag quirksJohannes Berg
When a new station is added to AP/GO interfaces the default behaviour is for it to be added authenticated and associated, due to backwards compatibility. To prevent that, the driver must be able to do that (setting the NL80211_FEATURE_FULL_AP_CLIENT_STATE feature flag) and userspace must set the flag mask to auth|assoc and clear the set. Handle this quirk in the API entirely in nl80211, and always push the full flags to the drivers. NL80211_FEATURE_FULL_AP_CLIENT_STATE is still required for userspace to be allowed to set the mask including those bits, but after checking that add both flags to the mask and set in case userspace didn't set them otherwise. This obsoletes the mac80211 code handling this difference, no other driver is currently using these flags. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: use NL80211_ATTR_STA_AID in nl82011_set_stationAyala Beker
Fix nl80211_set_station() to use the value of NL80211_ATTR_STA_AID attribute instead of NL80211_ATTR_PEER_AID attribute. Signed-off-by: Ayala Beker <ayala.beker@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: Add support for aborting an ongoing scanVidyullatha Kanchanapally
Implement new functionality for aborting an ongoing scan. Add NL80211_CMD_ABORT_SCAN to the nl80211 interface. After aborting the scan, driver shall provide the scan status by calling cfg80211_scan_done(). Reviewed-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com> Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com> [change command to take wdev instead of netdev so that it can be used on p2p-device scans] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: Remove unused cfg80211_can_use_iftype_chan()Michal Sojka
Last caller of this function was removed in 3.17 in commit 97dc94f1d933c9df2c0b327066ea130c0e92083f. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: reg: Remove unused function parameterMichal Sojka
Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: ocb: Fix null pointer deref if join_ocb is unimplementedOla Olsson
Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04lib80211: ratelimit key index mismatchJohannes Berg
This indicates a driver key selection issue, but even then there's no point in printing it all the time, so ratelimit it. Also remove the priv pointer from it -- people debugging will only have a single device anyway and it's useless as anything but a cookie. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: replace ieee80211_ie_split() with an inlineJohannes Berg
The function is a very simple wrapper around another one, just adds a few default parameters, so replace it with a static inline instead of using EXPORT_SYMBOL, reducing the module size slightly. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: add complete data to station add/change tracingJohannes Berg
Complete the tracepoint with the missing data - it's not printed by default (a lot of it is dynamic arrays) but will be recorded and be available during post-processing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04cfg80211: Add missing tracing to cfg80211Ilan Peer
Add missing tracing for: 1. start_radar_detection() 2. set_mcast_rates() 3. set_coalesce() Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-11-03cfg80211: allow AID/listen interval changes for unassociated stationAyala Beker
Currently, cfg80211 rejects updates of AID and listen interval parameters for existing entries. This information is known only at association stage and as a result it's impossible to update entries that were added unassociated. Fix this by allowing updates of these properies for stations that the driver (or mac80211) assigned unassociated state. This then fixes mac80211's use of NL80211_FEATURE_FULL_AP_CLIENT_STATE. Signed-off-by: Ayala Beker <ayala.beker@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-11-03nl80211: Fix potential memory leak from parse_acl_dataOla Olsson
If parse_acl_data succeeds but the subsequent parsing of smps attributes fails, there will be a memory leak due to early returns. Fix that by moving the ACL parsing later. Cc: stable@vger.kernel.org Fixes: 18998c381b19b ("cfg80211: allow requesting SMPS mode on ap start") Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: fix reg_ignore_cell_hint return typeJohannes Berg
The return type should be enum reg_request_treatment for both branches of the #ifdef. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: reduce chan_reg_rule_print_dbg() ifdefJohannes Berg
The function is void and static, so just ifdef its contents instead of duplicating the declaration. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: fix antenna gain in chan_reg_rule_print_dbg()Johannes Berg
Printing "N/A mBi" is strange - print just "N/A" instead. Also add a missing opening parenthesis. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: centralize freeing ignored requestsJohannes Berg
Instead of having a lot of places that free ignored requests and then return REG_REQ_OK, make reg_process_hint() process REG_REQ_IGNORE by freeing the request, and let functions it calls return that instead of freeing. This also fixes a leak when a second (different) country IE hint was ignored. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: clarify 'treatment' handling in reg_process_hint()Johannes Berg
This function can only deal with treatment values OK and ALREADY_SET so make the callees not return anything else and warn if they do. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: rename reg_regdb_query() to reg_query_builtin()Johannes Berg
The new name better reflects the functionality. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-16cfg80211: reg: make CRDA support optionalJohannes Berg
If there's a built-in regulatory database, there may be little point in also calling out to CRDA and failing if the system is configured that way. Allow removing CRDA support to save ~1K kernel size. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-15cfg80211: reg: remove useless reg_timeout schedulingJohannes Berg
When the functions reg_set_rd_driver() and reg_set_rd_country_ie() return with an error, the calling function already restores data by calling restore_regulatory_settings(), so there's no need to also schedule a timeout (which would lead to other side effects such as indicating CRDA failed, which clearly isn't true.) Remove the scheduling. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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