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2009-05-11cfg80211: put wext data into substructureJohannes Berg
To make it more apparent in the code what is for wext only (and needs to be #ifdef'ed) put all the info for wext into a substruct in each wireless_dev. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-11cfg80211: fix wext iw_freq parsingJohannes Berg
The function to parse a struct iw_freq has a stupid bug, it returns NULL when the channel cannot be found at all, but NULL is supposed to mean "auto". Fix this by checking the return value of ieee80211_get_channel() and returning ERR_PTR(-EINVAL) if it returned NULL (channel not found). This fixes an issue where you could say (in IBSS mode) iwconfig wlan0 channel 21 and it would use channel 1 instead because that's the first available channel with IBSS allowed (which is what the "auto" setting uses). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-11nl80211 : Add support for configuring MFPJouni Malinen
NL80211_CMD_ASSOCIATE request must be able to indicate whether management frame protection (IEEE 802.11w) is being used. mac80211 was able to use MFP in client mode only with WEXT, but the new NL80211_ATTR_USE_MFP attribute will allow this to be done with nl80211, too. Since we are currently using nl80211 for MFP only with drivers that use user space SME, only MFP disabled and required values are used. However, the NL80211_ATTR_USE_MFP attribute is an enum that can be extended with MFP optional in the future, if that is needed with some drivers (e.g., if the RSN IE is generated by the driver). Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2009-05-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: include/net/tcp.h
2009-05-06cfg80211: make nl80211_send_mlme_timeout() staticLuis R. Rodriguez
Fixes sparse complaint: CHECK net/wireless/nl80211.c net/wireless/nl80211.c:3694:6: warning: symbol 'nl80211_send_mlme_timeout' was not declared. Should it be static? Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-06cfg80211: Use the correct IE buffer pointerMichael Buesch
If the IE buffer was allocated, the pub.information_elements pointer was also changed to the allocated space. So we must not assume anymore that the pointer points at the "found" tail. So if it was allocated previously, take the codebranch that grows the buffer size (if necessary) and put the data into the allocated buffer. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-06cfg80211: Remove unnecessary ksize() callMichael Buesch
This removes an unnecessary ksize() call. krealloc() will do this test internally and won't perform any allocation if the space is already sufficient to hold the data. So remove the redundant check. Signed-off-by: Michael Buesch <mb@bu3sch.de> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-06cfg80211: remove superfluous !last_request check in reg_device_remove()Chris Wright
Commit 0ad8acaf "cfg80211: fix NULL pointer deference in reg_device_remove()" added a check that last_request is non-NULL, rendering the 2nd check superfluous. While there, rearrange the code a bit so it's a little more straight forward. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-04cfg80211: fix comment on regulatory hint processingLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-04cfg80211: fix bug while trying to process beacon hints on initLuis R. Rodriguez
During initialization we would not have received any beacons so skip processing reg beacon hints, also adds a check to reg_is_world_roaming() for last_request before accessing its fields. This should fix this: BUG: unable to handle kernel NULL pointer dereference at IP: [<e0171332>] wiphy_update_regulatory+0x20f/0x295 *pdpt = 0000000008bf1001 *pde = 0000000000000000 Oops: 0000 [#1] last sysfs file: /sys/class/backlight/eeepc/brightness Modules linked in: ath5k(+) mac80211 led_class cfg80211 go_bit cfbcopyarea cfbimgblt cfbfillrect ipv6 ydev usual_tables(P) snd_hda_codec_realtek snd_hda_intel nd_hwdep uhci_hcd snd_pcm_oss snd_mixer_oss i2c_i801 e serio_raw i2c_core pcspkr atl2 snd_pcm intel_agp re agpgart eeepc_laptop snd_page_alloc ac video backlight rfkill button processor evdev thermal fan ata_generic Pid: 2909, comm: modprobe Tainted: Pc #112) 701 EIP: 0060:[<e0171332>] EFLAGS: 00010246 CPU: 0 EIP is at wiphy_update_regulatory+0x20f/0x295 [cfg80211] EAX: 00000000 EBX: c5da0000 ECX: 00000000 EDX: c5da0060 ESI: 0000001a EDI: c5da0060 EBP: df3bdd70 ESP: df3bdd40 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process modprobe (pid: 2909, ti=df3bc000 task=c5d030000) Stack: df3bdd90 c5da0060 c04277e0 00000001 00000044 c04277e402 00000002 c5da0000 0000001a c5da0060 df3bdda8 e01706a2 02 00000282 000080d0 00000068 c5d53500 00000080 0000028240 Call Trace: [<e01706a2>] ? wiphy_register+0x122/0x1b7 [cfg80211] [<e0328e02>] ? ieee80211_register_hw+0xd8/0x346 [<e06a7c9f>] ? ath5k_hw_set_bssid_mask+0x71/0x78 [ath5k] [<e06b0c52>] ? ath5k_pci_probe+0xa5c/0xd0a [ath5k] [<c01a6037>] ? sysfs_find_dirent+0x16/0x27 [<c01fec95>] ? local_pci_probe+0xe/0x10 [<c01ff526>] ? pci_device_probe+0x48/0x66 [<c024c9fd>] ? driver_probe_device+0x7f/0xf2 [<c024cab3>] ? __driver_attach+0x43/0x5f [<c024c0af>] ? bus_for_each_dev+0x39/0x5a [<c024c8d0>] ? driver_attach+0x14/0x16 [<c024ca70>] ? __driver_attach+0x0/0x5f [<c024c5b3>] ? bus_add_driver+0xd7/0x1e7 [<c024ccb9>] ? driver_register+0x7b/0xd7 [<c01ff827>] ? __pci_register_driver+0x32/0x85 [<e00a8018>] ? init_ath5k_pci+0x18/0x30 [ath5k] [<c0101131>] ? _stext+0x49/0x10b [<e00a8000>] ? init_ath5k_pci+0x0/0x30 [ath5k] [<c012f452>] ? __blocking_notifier_call_chain+0x40/0x4c [<c013a714>] ? sys_init_module+0x87/0x18b [<c0102804>] ? sysenter_do_call+0x12/0x22 Code: b8 da 17 e0 83 c0 04 e8 92 f9 ff ff 84 c0 75 2a 8b 85 c0 74 0c 83 c0 04 e8 7c f9 ff ff 84 c0 75 14 a1 bc da 4 03 74 66 8b 4d d4 80 79 08 00 74 5d a1 e0 d2 17 e0 48 EIP: [<e0171332>] wiphy_update_regulatory+0x20f/0x295 SP 0068:df3bdd40 CR2: 0000000000000004 ---[ end trace 830f2dd2a95fd1a8 ]--- This issue is hard to reproduce, but it was noticed and discussed on this thread: http://marc.info/?t=123938022700005&r=1&w=2 Cc: stable@kernel.org Reported-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-04cfg80211: fix race condition with wiphy_apply_custom_regulatory()Luis R. Rodriguez
We forgot to lock using the cfg80211_mutex in wiphy_apply_custom_regulatory(). Without the lock there is possible race between processing a reply from CRDA and a driver calling wiphy_apply_custom_regulatory(). During the processing of the reply from CRDA we free last_request and wiphy_apply_custom_regulatory() eventually accesses an element from last_request in the through freq_reg_info_regd(). This is very difficult to reproduce (I haven't), it takes us 3 hours and you need to be banging hard, but the race is obvious by looking at the code. This should only affect those who use this caller, which currently is ath5k, ath9k, and ar9170. EIP: 0060:[<f8ebec50>] EFLAGS: 00210282 CPU: 1 EIP is at freq_reg_info_regd+0x24/0x121 [cfg80211] EAX: 00000000 EBX: f7ca0060 ECX: f5183d94 EDX: 0024cde0 ESI: f8f56edc EDI: 00000000 EBP: 00000000 ESP: f5183d44 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process modprobe (pid: 14617, ti=f5182000 task=f3934d10 task.ti=f5182000) Stack: c0505300 f7ca0ab4 f5183d94 0024cde0 f8f403a6 f8f63160 f7ca0060 00000000 00000000 f8ebedf8 f5183d90 f8f56edc 00000000 00000004 00000f40 f8f56edc f7ca0060 f7ca1234 00000000 00000000 00000000 f7ca14f0 f7ca0ab4 f7ca1289 Call Trace: [<f8ebedf8>] wiphy_apply_custom_regulatory+0x8f/0x122 [cfg80211] [<f8f3f798>] ath_attach+0x707/0x9e6 [ath9k] [<f8f45e46>] ath_pci_probe+0x18d/0x29a [ath9k] [<c023c7ba>] pci_device_probe+0xa3/0xe4 [<c02a860b>] really_probe+0xd7/0x1de [<c02a87e7>] __driver_attach+0x37/0x55 [<c02a7eed>] bus_for_each_dev+0x31/0x57 [<c02a83bd>] driver_attach+0x16/0x18 [<c02a78e6>] bus_add_driver+0xec/0x21b [<c02a8959>] driver_register+0x85/0xe2 [<c023c9bb>] __pci_register_driver+0x3c/0x69 [<f8e93043>] ath9k_init+0x43/0x68 [ath9k] [<c010112b>] _stext+0x3b/0x116 [<c014a872>] sys_init_module+0x8a/0x19e [<c01049ad>] sysenter_do_call+0x12/0x21 [<ffffe430>] 0xffffe430 ======================= Code: 0f 94 c0 c3 31 c0 c3 55 57 56 53 89 c3 83 ec 14 8b 74 24 2c 89 54 24 0c 89 4c 24 08 85 f6 75 06 8b 35 c8 bb ec f8 a1 cc bb ec f8 <8b> 40 04 83 f8 03 74 3a 48 74 37 8b 43 28 85 c0 74 30 89 c6 8b EIP: [<f8ebec50>] freq_reg_info_regd+0x24/0x121 [cfg80211] SS:ESP 0068:f5183d44 Cc: stable@kernel.org Reported-by: Nataraj Sadasivam <Nataraj.Sadasivam@Atheros.com> Reported-by: Vivek Natarajan <Vivek.Natarajan@Atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-05-04cfg80211: fix truncated IEsJohannes Berg
Another bug in the "cfg80211: do not replace BSS structs" patch, a forgotten length update leads to bogus data being stored and passed to userspace, often truncated. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: Add event for authentication/association timeoutJouni Malinen
SME needs to be notified when the authentication or association attempt times out and MLME has stopped processing in order to allow the SME to decide what to do next. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: allow configuring IBSS beacon intervalJohannes Berg
Make the JOIN_IBSS command look at the beacon interval attribute to see if the user requested a specific beacon interval, if not default to 100 TU (wext too). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: mark all WEXT handlers _GPLJohannes Berg
The fact that these are exported is a technical detail of the conversion period -- we don't want anybody to start relying on these. Ultimately we want things to use cfg80211 only, and once everything that is in wext is converted to cfg80211 drivers will not need to touch wext _at all_. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: clear WEXT SSID when clearing IBSSJohannes Berg
When we leave an IBSS, we should clear the SSID and not just the BSSID, but since WEXT allows configuring while the interface is down we must not clear it when leaving due to taking the iface down, so some complications are needed. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: Add set/get for frag/rts threshold and retry limitsJouni Malinen
Add new nl80211 attributes that can be used with NL80211_CMD_SET_WIPHY and NL80211_CMD_GET_WIPHY to manage fragmentation/RTS threshold and retry limits. Since these values are stored in struct wiphy, remove the local copy from mac80211 where feasible (frag & rts threshold). The retry limits are currently needed in struct ieee80211_conf, but these could be eventually removed since the driver should have access to the values in struct wiphy. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: clean up includesJohannes Berg
Trying to separate header files into net/wireless.h and net/cfg80211.h has been a source of confusion. Remove net/wireless.h (because there also is the linux/wireless.h) and subsume everything into net/cfg80211.h -- except the definitions for regulatory structures which get moved to a new header net/regulatory.h. The "new" net/cfg80211.h is now divided into sections. There are no real changes in this patch but code shuffling and some very minor documentation fixes. I have also, to make things reflect reality, put in a copyright line for Luis to net/regulatory.h since that is probably exclusively written by him but was formerly in a file that only had my copyright line. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211/nl80211: add IBSS APIJohannes Berg
This adds IBSS API along with (preliminary) wext handlers. The wext handlers can only do IBSS so you need to call them from your own wext handlers if the mode is IBSS. The nl80211 API requires * an SSID * a channel (frequency) for the case that a new IBSS has to be created It optionally supports * a flag to fix the channel * a fixed BSSID The cfg80211 code also takes care to leave the IBSS before the netdev is set down. If wireless extensions are used, it also caches values when the interface is down and instructs the driver to join when the interface is set up. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211/mac80211: move wext SIWMLME into cfg80211Johannes Berg
Since we have ->deauth and ->disassoc we can support the wext SIWMLME call directly without driver wext handlers. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: send wiphy along with netdevJohannes Berg
When listing all wireless netdevs in the system this is useful to print which wiphy they belong to. Just add the attribute, any program that doesn't care will just ignore it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: convert mutex assert to macroJohannes Berg
That will make the various cases where the WARN_ON can happen distinguishable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: add cipher capabilitiesJohannes Berg
This adds the necessary code and fields to let drivers specify their cipher capabilities and exports them to userspace. Also update mac80211 to export the ciphers it has. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: send regulatory beacon hint events to userspaceLuis R. Rodriguez
This informs userspace when a change has occured on a world roaming wiphy's channel which has lifted some restrictions due to a regulatory beacon hint. Because this is now sent to userspace through the regulatory multicast group we remove the debug prints we used to use as they are no longer necessary. Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: add netlink channel put helperLuis R. Rodriguez
This adds a netlink channel put helper, nl80211_msg_put_channel(), which we will also make use of later for the beacon hints events. Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: respect API on orig_flags on channel for beacon hintLuis R. Rodriguez
As part of our documented API we always respect the orig_flag settings on a channel. We forgot to follow this for the beacon hints. Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22mac80211: pass all probe request IEs to driverJohannes Berg
Instead of just passing the cfg80211-requested IEs, pass the locally generated ones as well. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: introduce scan IE limit attributeJohannes Berg
This patch introduces a new attribute for a wiphy that tells userspace how long the information elements added to a probe request frame can be at most. It also updates the at76 to advertise that it cannot support that, and, for now until I can fix that, iwlwifi too. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22cfg80211: add cfg80211_inform_bssJussi Kivilinna
Added cfg80211_inform_bss() for full-mac devices to use. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: Add Michael MIC failure eventJouni Malinen
Define a new nl80211 event, NL80211_CMD_MICHAEL_MIC_FAILURE, to be used to notify user space about locally detected Michael MIC failures. This matches with the MLME-MICHAELMICFAILURE.indication() primitive. Since we do not actually have TSC in the skb anymore when mac80211_ev_michael_mic_failure() is called, that function is changed to take in the TSC as an optional parameter instead of as a requirement to include the TSC after the hdr field (which we did not really follow). For now, TSC is not included in the events from mac80211, but it could be added at some point. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: Generate deauth/disassoc event for locally generated framesJouni Malinen
Previously, nl80211 mlme events were generated only for received deauthentication and disassociation frames. We need to do the same for locally generated ones in order to let applications know that we disconnected (e.g., when AP does not reply to a probe). Rename the nl80211 and cfg80211 functions (s/rx_//) to make it clearer that they are used for both received and locally generated frames. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: Require auth type for NL80211_CMD_AUTHENTICATEJouni Malinen
NL80211_ATTR_AUTH_TYPE is a required parameter for NL80211_CMD_AUTHENTICATE. We are currently (by chance) defaulting to open system authentication if the attribute is not specified. It is better to just reject the invalid command. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: remove duplicated #includeHuang Weiyi
Remove duplicated #include in net/wireless/core.h. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-22nl80211: validate some input betterJohannes Berg
This patch changes nl80211 to: * validate that any IE input is a valid IE (stream) * move some validation code before locking * require that a reason code is given for both deauth/disassoc Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-20nl80211: Make nl80211_send_mlme_event() atomicJouni Malinen
One of the code paths sending deauth/disassoc events ends up calling this function with rcu_read_lock held, so we must use GFP_ATOMIC in allocation routines. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-17cfg80211: do not replace BSS structsJohannes Berg
Instead, allocate extra IE memory if necessary. Normally, this isn't even necessary since there's enough space. This is a better way of correcting the "held BSS can disappear" issue, but also a lot more code. It is also necessary for proper auth/assoc BSS handling in the future. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-17cfg80211: copy hold when replacing BSSJohannes Berg
When we receive a probe response frame we can replace the BSS struct in our list -- but if that struct is held then we need to hold the new one as well. We really should fix this completely and not replace the struct, but this is a bandaid for now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-04-16cfg80211: fix NULL pointer deference in reg_device_remove()Luis R. Rodriguez
We won't ever get here as regulatory_hint_core() can only fail on -ENOMEM and in that case we don't initialize cfg80211 but this is technically correct code. This is actually good for stable, where we don't check for -ENOMEM failure on __regulatory_hint()'s failure. Cc: stable@kernel.org Reported-by: Quentin Armitage <Quentin@armitage.org.uk> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: default CONFIG_WIRELESS_OLD_REGULATORY to nLuis R. Rodriguez
And update description and feature-removal schedule according to the new plan. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: fix locking in nl80211_set_wiphyJohannes Berg
Luis reports that there's a circular locking dependency; this is because cfg80211_dev_rename() will acquire the cfg80211_mutex while the device mutex is held, while this normally is done the other way around. The solution is to open-code the device-getting in nl80211_set_wiphy and require holding the mutex around cfg80211_dev_rename rather than acquiring it within. Also fix a bug -- rtnl locking is expected by drivers so we need to provide it. Reported-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: add feature to hold bssKalle Valo
In beacon filtering there needs to be a way to not expire the BSS even when no beacons are received. Add an interface to cfg80211 to hold BSS and make sure that it's not expired. Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: accept no-op interface mode changesJohannes Berg
When somebody tries to set the interface mode to the existing mode, don't ask the driver but silently accept the setting. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: remove code about country IE support with OLD_REGLuis R. Rodriguez
We had left in code to allow interested developers to add support for parsing country IEs when OLD_REG was enabled. This never happened and since we're going to remove OLD_REG lets just remove these comments and code for it. This code path was never being entered so this has no functional change. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: make regdom module parameter available oustide of OLD_REGLuis R. Rodriguez
It seems a few users are using this module parameter although its not recommended. People are finding it useful despite there being utilities for setting this in userspace. I'm not aware of any distribution using this though. Until userspace and distributions catch up with a default userspace automatic replacement (GeoClue integration would be nirvana) we copy the ieee80211_regdom module parameter from OLD_REG to the new reg code to help these users migrate. Users who are using the non-valid ISO / IEC 3166 alpha "EU" in their ieee80211_regdom module parameter and migrate to non-OLD_REG enabled system will world roam. This also schedules removal of this same ieee80211_regdom module parameter circa March 2010. Hope is by then nirvana is reached and users will abandoned the module parameter completely. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: fix incorrect assumption on last_request for 11dLuis R. Rodriguez
The incorrect assumption is the last regulatory request (last_request) is always a country IE when processing country IEs. Although this is true 99% of the time the first time this happens this could not be true. This fixes an oops in the branch check for the last_request when accessing drv_last_ie. The access was done under the assumption the struct won't be null. Note to stable: to port to 29 replace as follows, only 29 has country IE code: s|NL80211_REGDOM_SET_BY_COUNTRY_IE|REGDOM_SET_BY_COUNTRY_IE Cc: stable@kernel.org Reported-by: Quentin Armitage <Quentin@armitage.org.uk> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27cfg80211: force last_request to be set for OLD_REG if regdom is EULuis R. Rodriguez
Although EU is a bogus alpha2 we need to process the send request as our code depends on last_request being set. Cc: stable@kernel.org Reported-by: Quentin Armitage <Quentin@armitage.org.uk> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27nl80211: Check iftype in cfg80211 codeJouni Malinen
We do not want to require all the drivers using cfg80211 to need to do this. In addition, make the error values consistent by using EOPNOTSUPP instead of semi-random assortment of errno values. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27nl80211: Check that netif_runnin is true in cfg80211 codeJouni Malinen
We do not want to require all the drivers using cfg80211 to need to do this or to be prepared to handle these commands when the interface is down. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27nl80211: Add more through validation of MLME command parametersJouni Malinen
Check that the used authentication type and reason code are valid here so that drivers/mac80211 do not need to care about this. In addition, remove the unnecessary validation of SSID attribute length which is taken care of by netlink policy. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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