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* mac80211: Add 802.11h CSA supportSujith2009-01-291-0/+2
| | | | | | | | | Move to the advertised channel on reception of a CSA element. This is needed for 802.11h compliance. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Cancel the power save timer in ieee80211_stop.Vivek Natarajan2009-01-291-0/+2
| | | | | | | | | | Since the station info is flushed before calling set_disassoc in ieee80211_stop, the power save timer is never cancelled when the driver is unloaded. Hence the timer cancellation has to be done in ieee80211_stop itself. Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Scale down to non-HT association with TKIP/WEP as pairwise cipherVasanthakumar Thiagarajan2009-01-291-1/+2
| | | | | | | | | | | | | | As TKIP is not updated to new security needs which arise when TKIP is used to encrypt A-MPDU aggregated data frames, IEEE802.11n does not allow any cipher other than CCMP (Which has new extensions defined) as pairwise cipher between HT peers. When such configuration (TKIP/WEP in HT) is forced, we still associate in non-HT mode (11a/b/g). Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: allow mode change if IBSS is not allowedPavel Roskin2009-01-121-1/+2
| | | | | | | | | Changing mode on an interface is not allowed if IBSS is disabled for the current channel. That restriction should only apply when switching to the ad-hoc mode, as it was prior to "cfg80211: handle SIOCGIWMODE/SIOCSIWMODE". Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: handle SIOCGIWMODE/SIOCSIWMODEJohannes Berg2008-12-051-0/+4
| | | | | | | further reducing wext code in mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: deauth when interface is marked downJohn W. Linville2008-12-051-1/+5
| | | | | | | | It seems like proper etiquette to let other stations know when we are going down in either STA or IBSS mode. This also notifies userland, so wpa_supplicant doesn't get confused. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: disable BSSID filtering for mesh interfacesAndrey Yurovsky2008-11-211-2/+15
| | | | | | | | | | | | Mesh interfaces are currently opened with the FIF_ALLMULTI rx filter flag set, however there is no BSSID in mesh so BSSID filtering should be disabled by setting the FIF_OTHER_BSS flag as well. Also explicitly call ieee80211_configure_filter for mesh. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: Javier Cardona <javier@cozbit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: move bss_conf into vifJohannes Berg2008-11-011-1/+1
| | | | | | | | | | Move bss_conf into the vif struct so that drivers can access it during ->tx without having to store it in the private data or similar. No driver updates because this is only for when they want to start using it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: introduce hw config change flagsJohannes Berg2008-11-011-6/+19
| | | | | | | | | | | | | | This makes mac80211 notify the driver which configuration actually changed, e.g. channel etc. No driver changes, this is just plumbing, driver authors are expected to act on this if they want to. Also remove the HW CONFIG debug printk, it's incorrect, often we configure something else. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fixups for "make master iface not wireless"Johannes Berg2008-09-301-5/+4Star
| | | | | | | | | In "mac80211: make master iface not wireless" I accidentally forgot to include these changes ... leading to the expected BUG_ON errors. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: show interface typeJohannes Berg2008-09-241-0/+1
| | | | | | | | | | 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>
* mac80211 : Fix mode change hard_start_xmit functionAbhijeet Kolekar2008-09-151-0/+1
| | | | | | | | | | | | When monitor mode is changed to BSS or IBSS, data trasnfer can not happen because proper transmit function is not assigend for BSS ,IBSS mode. This patch fixes this problem by assigning the ieee80211_subif_start_xmit to device's hard_start_xmit function. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Acked-by: Zhu Yi <yi.zhu@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: share STA information with driverJohannes Berg2008-09-151-1/+2
| | | | | | | | | | | This patch changes mac80211 to share some more data about stations with drivers. Should help iwlwifi and ath9k when they get around to updating, and might also help with implementing rate control algorithms without internals. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: move regular interface handlingJohannes Berg2008-09-151-0/+534
| | | | | | | | Move the code to handle regular interfaces out of main.c and into iface.c, keep only the master interface stuff in main.c. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: use nl80211 interface typesJohannes Berg2008-09-151-19/+21
| | | | | | | | | | There's really no reason for mac80211 to be using its own interface type defines. Use the nl80211 types and simplify the configuration code a bit: there's no need to translate them any more now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: inform driver of basic ratesetJohannes Berg2008-09-151-1/+3
| | | | | | | | Drivers need to know the basic rateset to be able to configure the ACK/CTS programming in hardware correctly. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: reorder MLME code moreJohannes Berg2008-09-151-16/+1Star
| | | | | | | | | | This way all the utility functions are at the top, then the state machine and externally callable functions are moved to the bottom. Also clean up ieee80211_i.h a bit and add a few comments about which functions are called from where. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: split off mesh handling entirelyJohannes Berg2008-09-151-7/+6Star
| | | | | | | | | | | | This patch splits off mesh handling from the STA/IBSS. Unfortunately it increases mesh code size a bit, but I think it makes things clearer. The patch also reduces per-interface run-time memory usage. Also clean up a few places where ifdef is not required. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Reorder debugfs calls during netdev deinitJouni Malinen2008-09-111-2/+2
| | | | | | | | | | | ieee80211_free_keys() must be called before ieee80211_debugfs_remove_netdev() in order to make sure that the possible default_key symlink is removed before attempting to remove the netdev debugfs directory. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* replace net_device arguments with ieee80211_{local,sub_if_data} as appropriateJasper Bryant-Greene2008-08-221-5/+3Star
| | | | | | | | | | | | | | | | | | | This patch replaces net_device arguments to mac80211 internal functions with ieee80211_{local,sub_if_data} as appropriate. It also does the same for many 802.11s mesh functions, and changes the mesh path table to be indexed on sub_if_data rather than net_device. If the mesh part needs to be a separate patch let me know, but since mesh uses a lot of mac80211 functions which were being converted anyway, the changes go hand-in-hand somewhat. This patch probably does not convert all the functions which could be converted, but it is a large chunk and followup patches will be provided. Signed-off-by: Jasper Bryant-Greene <jasper@amiton.co.nz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix TX sequence numbersJohannes Berg2008-07-141-1/+0Star
| | | | | | | | | | | | | | | | | | | This patch makes mac80211 assign proper sequence numbers to QoS-data frames. It also removes the old sequence number code because we noticed that only the driver or hardware can assign sequence numbers to non-QoS-data and especially management frames in a race-free manner because beacons aren't passed through mac80211's TX path. This patch also adds temporary code to the rt2x00 drivers to not break them completely, that code will have to be reworked for proper sequence numbers on beacons. It also moves sequence number assignment down in the TX path so no sequence numbers are assigned to frames that are dropped. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: push interface checks downJohannes Berg2008-07-141-2/+18
| | | | | | | | | This patch pushes the "netif_running()" and "same type as before" checks down into ieee80211_if_change_type() to centralise the logic instead of duplicating it for cfg80211 and wext. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: revamp virtual interface handlingJohannes Berg2008-07-141-184/+153Star
| | | | | | | | | This patch revamps the virtual interface handling and makes the code much easier to follow. Fewer functions, better names, less spaghetti code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make master netdev handling saneJohannes Berg2008-07-141-51/+13Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, almost every interface type has a 'bss' pointer pointing to BSS information. This BSS information, however, is for a _local_ BSS, not for the BSS we joined, so having it on a STA mode interface makes little sense, but now they have it pointing to the master device, which is an AP mode virtual interface. However, except for some bitrate control data, this pointer is only used in AP/VLAN modes (for power saving stations.) Overall, it is not necessary to even have the master netdev be a valid virtual interface, and it doesn't have to be on the list of interfaces either. This patch changes the master netdev to be special, it now - no longer is on the list of virtual interfaces, which lets me remove a lot of tests for that - no longer has sub_if_data attached, since that isn't used Additionally, this patch changes some vlan/ap mode handling that is related to these 'bss' pointers described above (but in the VLAN case they actually make sense because there they point to the AP they belong to); it also adds some debugging code to IEEE80211_DEV_TO_SUB_IF to validate it is not called on the master netdev any more. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rework debug settings and make debugging saferJohannes Berg2008-07-021-3/+3
| | | | | | | | | | | | | This patch reworks the mac80211 debug settings making them more focused and adding help text for those that didn't have one. It also removes a number of printks that can be triggered remotely and add no value, e.g. "too short deauthentication frame received - ignoring". If somebody really needs to debug that they should just add a monitor interface and look at the frames in wireshark. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: use multi-queue master netdeviceJohannes Berg2008-05-221-1/+1
| | | | | | | | | | This patch updates mac80211 and drivers to be multi-queue aware and use that instead of the internal queue mapping. Also does a number of cleanups in various pieces of the code that fall out and reduces internal mac80211 state size. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵David S. Miller2008-05-151-1/+2
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * mac80211: require four hardware queues for QoS/HTJohannes Berg2008-05-141-1/+2
| | | | | | | | | | | | | | | | | | This patch makes mac80211 only announce QoS/HT support when the underlying hardware has four (or more) queues. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Ron Rindjunksi <ron.rindjunksi@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | Merge branch 'master' of ↵David S. Miller2008-05-151-0/+9
|\ \ | |/ |/| | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-4965-rs.c drivers/net/wireless/rt2x00/rt61pci.c
| * mac80211: assign needed_headroom/tailroom for netdevsJohannes Berg2008-05-131-0/+9
| | | | | | | | | | | | | | | | This assigns the netdev's needed_headroom/tailroom members to take advantage of pre-allocated space for 802.11 headers. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mac80211: a few code cleanupsJohannes Berg2008-05-071-2/+1Star
|/ | | | | | | | | This has some code cleanups (some inspired by checkpatch), I got bored at probably a third of the output though so if somebody else wants to... Signed-off-by: Johannes Berg <johannes@sipsolutions.net Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rename filesJohannes Berg2008-04-081-0/+314
This patch renames all mac80211 files (except ieee80211_i.h) to get rid of the useless ieee80211_ prefix. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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