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2008-09-24wireless: a global static to local static improvementDenis ChengRq
There are two improvements in this simple patch: 1. wiphy_counter is a static var only used in one function, so can use local static instead of global static; 2. wiphy_counter wrap handling killed one comparision; Signed-off-by: Denis ChengRq <crquan@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: reject invalid configuration itemsJohannes Berg
Reject configuring mesh-id for non-mesh, monitor flags for non-monitor. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: allow set_interface without typeJohannes Berg
Which then causes no type change. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: show interface typeJohannes Berg
This patch makes cfg80211 show the interface in the nl80211 information about a specific interface. API users are required to keep the type updated (everything else is fairly complicated) but you will get a warning if you fail to keep it updated. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: clean up static regdomain messJohannes Berg
The statically defined regdomains are used in a very convoluted way, use them instead to prime the information we have and then continue operating normally. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: fix regulatory code constJohannes Berg
A few pointers and structures in the regulatory code are const, but because it wasn't done properly a whole bunch of bogus casts were needed to compile without warning. Mark everything const properly to avoid that kind of junk code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: clean up regulatory messJohannes Berg
The recent code from Luis is an #ifdef hell and contains lots of code that's stuffed into the wrong file making a whole bunch of things needlessly non-static, and besides, what is it doing in core.c?? Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-24cfg80211: fix static regdomainsJohannes Berg
When Luis added the static regdomains back he used +/-20 of the centre frequencies to account for 40MHz bandwidth neglecting the fact that 40MHz bandwidth cannot be used on the channels close to the allowed band edges. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-15cfg80211: Add new wireless regulatory infrastructureLuis R. Rodriguez
This adds the new wireless regulatory infrastructure. The main motiviation behind this was to centralize regulatory code as each driver was implementing their own regulatory solution, and to replace the initial centralized code we have where: * only 3 regulatory domains are supported: US, JP and EU * regulatory domains can only be changed through module parameter * all rules were built statically in the kernel We now have support for regulatory domains for many countries and regulatory domains are now queried through a userspace agent through udev allowing distributions to update regulatory rules without updating the kernel. Each driver can regulatory_hint() a regulatory domain based on either their EEPROM mapped regulatory domain value to a respective ISO/IEC 3166-1 country code or pass an internally built regulatory domain. We also add support to let the user set the regulatory domain through userspace in case of faulty EEPROMs to further help compliance. Support for world roaming will be added soon for cards capable of this. For more information see: http://wireless.kernel.org/en/developers/Regulatory/CRDA For now we leave an option to enable the old module parameter, ieee80211_regdom, and to build the 3 old regdomains statically (US, JP and EU). This option is CONFIG_WIRELESS_OLD_REGULATORY. These old static definitions and the module parameter is being scheduled for removal for 2.6.29. Note that if you use this you won't make use of a world regulatory domain as its pointless. If you leave this option enabled and if CRDA is present and you use US or JP we will try to ask CRDA to update us a regulatory domain for us. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: net/mac80211/mlme.c
2008-09-05cfg80211: keep track of supported interface modesLuis R. Rodriguez
It is obviously good for userspace to know up front which interface modes a given piece of hardware might support (even if adding such an interface might fail later because of concurrency issues), so let's make cfg80211 aware of that. For good measure, disallow adding interfaces in all other modes so drivers don't forget to announce support for one mode when they add it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Stephen Blackheath <tramp.enshrine.stephen@blacksapphire.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-02net/wireless/Kconfig: clarify the description for CONFIG_WIRELESS_EXT_SYSFSFlorian Mickler
Current setup with hal and NetworkManager will fail to work without newest hal version with this config option disabled. Although this will solve itself by time, at the moment it is dishonest to say that we don't know any software that uses it, if there are many many people relying on old hal versions. Signed-off-by: Florian Mickler <florian@mickler.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-29mac80211/cfg80211: HT capabilities for NEW_STAJouni Malinen
Allow userspace (e.g., hostapd) to set HT capabilities for associated STAs. This is based on a patch from Zhu Yi <yi.zhu@intel.com> (only the NL80211_ATTR_HT_CAPABILITY for NEW_STA part is included here). Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-29mac80211/cfg80211: Add BSS configuration options for AP modeJouni Malinen
This change adds a new cfg80211 command, NL80211_CMD_SET_BSS, to allow AP mode BSS parameters to be changed from user space (e.g., hostapd). The drivers using mac80211 are expected to be modified with separate changes to use the new BSS info parameter for short slot time in the bss_info_changed() handler. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-13wext: Send name on eventsJamal Hadi Salim
In the minimal the wireless extensions oughta send at least the name in addition to the ifindex. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-29nl80211: fix dump callbacksJohannes Berg
Julius Volz pointed out that the dump callbacks in nl80211 were broken and fixed one of them. This patch fixes the other three and also addresses the TODOs there. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Julius Volz <juliusv@google.com> Cc: Thomas Graf <tgraf@suug.ch> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-19netns: Use net_eq() to compare net-namespaces for optimization.YOSHIFUJI Hideaki
Without CONFIG_NET_NS, namespace is always &init_net. Compiler will be able to omit namespace comparisons with this patch. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-14wext: make sysfs bits optional and deprecate themJohannes Berg
The /sys/class/net/*/wireless/ direcory is, as far as I know, not used by anyone. Additionally, the same data is available via wext ioctls. Hence the sysfs files are pretty much useless. This patch makes them optional and schedules them for removal. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-08net/wireless/nl80211.c: fix endless Netlink callback loop.Julius Volz
Although I only tested similar code (I don't use any of this wireless code), the state maintainance between Netlink dump callback invocations seems wrong here and should lead to an endless loop. There are also other examples in the same file which might have the same problem. Perhaps someone can actually test this (or refute my logic). Take the simple example with only one element in the list (which should fit into the message): 1. invocation: Start: idx = 0, start = 0 Loop: condition (++idx < start) => (1 < 0) => false => no continue, fill one entry, exit loop, return skb->len > 0 2. invocation: Start: idx = 0, start = 1 Loop: condition (++idx < start) => (1 < 1) => false => no continue, fill the same entry again, exit loop, return skb->len > 0 3. invocation: Same as 2. invocation, endless invocation of callback. Also, iterations where the filling of an element fails should not be counted as completed, so idx should not be incremented in this case. Signed-off-by: Julius Volz <juliusv@google.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-16wext: Create IW_REQUEST_FLAG_COMPAT and set it as needed.David S. Miller
Now low-level WEXT ioctl handlers can do compat handling when necessary. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Dispatch and handle compat ioctls entirely in net/wireless/wext.cDavid S. Miller
Next we can kill the hacks in fs/compat_ioctl.c and also dispatch compat ioctls down into the driver and 80211 protocol helper layers in order to handle iw_point objects embedded in stream replies which need to be translated. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Pull top-level ioctl dispatch logic into helper function.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Pass iwreq pointer down into standard/private handlers.David S. Miller
They have no need to see the object as an ifreq. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Parameterize the standard/private handlers.David S. Miller
The WEXT standard and private handlers to use are now arguments to wireless_process_ioctl(). Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Pull ioctl permission checking out into helper function.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Extract private call iw_point handling into seperate functions.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Extract standard call iw_point handling into seperate function.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Make adjust_priv_size() take a "struct iw_point *".David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16wext: Remove inline from get_priv_size() and adjust_priv_size().David S. Miller
The compiler inlines when appropriate. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-14mac80211: implement EU regulatory domainTony Vroon
Implement missing EU regulatory domain for mac80211. Based on the information in IEEE 802.11-2007 (specifically pages 1142, 1143 & 1148) and ETSI 301 893 (V1.4.1). With thanks to Johannes Berg. Signed-off-by: Tony Vroon <tony@linx.net> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-10Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
2008-06-03netlink: Improve returned error codesThomas Graf
Make nlmsg_trim(), nlmsg_cancel(), genlmsg_cancel(), and nla_nest_cancel() void functions. Return -EMSGSIZE instead of -1 if the provided message buffer is not big enough. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-14wireless: Add missing locking to cfg80211_dev_renameEric W. Biederman
device_rename only performs useful and race free validity checking at the optional sysfs level so depending on it for all of the validity checking in cfg80211_dev_rename is racy. Instead implement all of the needed validity checking and locking in cfg80211_dev_rename. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-14wireless: use get/put_unaligned_* helpersHarvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-14Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/ehea/ehea_main.c drivers/net/wireless/iwlwifi/Kconfig drivers/net/wireless/rt2x00/rt61pci.c net/ipv4/inet_timewait_sock.c net/ipv6/raw.c net/mac80211/ieee80211_sta.c
2008-04-08cfg80211: default to regulatory max power for channelJohn W. Linville
If the driver does not specify a maximum power output, default to the regulatory max. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-07nl80211: fix STA AID bugJohannes Berg
This fixes the STA AID setting and actually makes hostapd/mac80211 work properly in presence of power-saving stations. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-27cfg80211: don't export ieee80211_get_channelJohannes Berg
This patch makes ieee80211_get_channel a static inline defined in cfg80211's header file which simply calls __ieee80211_get_channel to avoid symbol clashes with the ieee80211 code. The problem was pointed out by David Miller, thanks! Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: David Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-25Merge branch 'net-2.6.26-netns-20080326' of ↵David S. Miller
git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev
2008-03-25wireless: add wiphy channel freq to channel struct lookup helperJohannes Berg
Add ieee80211_get_channel() which gets you a channel struct for a specific wiphy if that channel is present in that wiphy. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-26[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.YOSHIFUJI Hideaki
Introduce per-net_device inlines: dev_net(), dev_net_set(). Without CONFIG_NET_NS, no namespace other than &init_net exists. Let's explicitly define them to help compiler optimizations. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-03-06nl80211/cfg80211: support for mesh, sta dumpingLuis Carlos Cobo
Added support for mesh id and mesh path operation as well as station structure dumping. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29wireless: update US regulatory domainTomas Winkler
This patch adds channels to US regulatory domain Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29nl80211: Add monitor interface configuration flagsMichael Wu
This allows precise control over what a monitor interface shows. Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29wireless: Fix WARN_ON() with ieee802.11bIvo van Doorn
When the driver registers a IEEE80211_BAND_2GHZ band, it can either be 802.11b or 802.11g. But when 802.11b rates are registered "want" will be 3 (since 4 rates are being registered, and each of those 4 rates will decrease "want"). Since this is a correct situation, there is no need to trigger a WARN_ON() for this. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29wireless: fix ERP rate flagsJohannes Berg
In the rate API patch I accidentally reverted the test for ERP rates, this fixes it. All rates except 1, 2, 5.5 and 11 MBit are ERP rates, not those. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29nl80211: export hardware bitrate/channel capabilitiesJohannes Berg
This makes nl80211 export the hardware bitrate/channel capabilities as registered in a wiphy. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29cfg80211 API for channels/bitrates, mac80211 and driver conversionJohannes Berg
This patch creates new cfg80211 wiphy API for channel and bitrate registration and converts mac80211 and drivers to the new API. The old mac80211 API is completely ripped out. All drivers (except ath5k) are updated to the new API, in many cases I expect that optimisations can be done. Along with the regulatory code I've also ripped out the IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED flag, I believe it to be unnecessary if the hardware simply gives us whatever channels it wants to support and we then enable/disable them as required, which is pretty much required for travelling. Additionally, the patch adds proper "basic" rate handling for STA mode interface, AP mode interface will have to have new API added to allow userspace to set the basic rate set, currently it'll be empty... However, the basic rate handling will need to be moved to the BSS conf stuff. I do expect there to be bugs in this, especially wrt. transmit power handling where I'm basically clueless about how it should work. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28WEXT: remove unused variableMasakazu Mokuno
As event_type_pk_size[] is not used, Remove it. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28net/wireless/Kconfig: whitespace correctionsJohn W. Linville
Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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