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2014-01-04NFC: digital: Fix incorrect use of ERR_PTR and PTR_ERR macrosThierry Escande1-2/+2
It's bad to use these macros when not dealing with error code. this patch changes calls to these macros with correct casts. Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-01-04NFC: Only warn on SE discovery errorSamuel Ortiz1-5/+2
SE discovery errors are currently overwriting the dev_up() return error. This is wrong for many reasons: - We don't want to report an error if we actually brought the device up but it failed to discover SEs. By doing so we pretend we don't have an NFC functional device even we do. The only thing we could not do was checking for SEs availability. This is the false negative case. - In some cases the actual device power up failed but the SE discovery succeeded. Userspace then believes the device is up while it's not. This is the false positive case. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-01-04NFC: llcp: Use default MIU if none was specified on connectSzymon Janc3-3/+1
If MIUX is not present in CONNECT or CC use default MIU value (128) instead of one announced durring link setup. This was affecting Bluetooth handover with Android 4.3+ NCI stack. Signed-off-by: Szymon Janc <szymon.janc@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-01-04NFC: llcp: Fix possible memory leak while sending I framesSzymon Janc1-1/+3
If sending was not completed due to low memory condition msg_data was not free before returning from function. Signed-off-by: Szymon Janc <szymon.janc@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-01-04NFC: Return driver failure upon unknown event receptionSamuel Ortiz1-5/+2
If the device is polling, this will trigger a netlink event to notify userspace about the polling error. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-12-19mac80211: Add support for QoS mappingKyeyoon Park3-1/+38
Implement set_qos_map() handler for mac80211 to enable QoS mapping functionality. Signed-off-by: Kyeyoon Park <kyeyoonp@qca.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19cfg80211: Add support for QoS mappingKyeyoon Park9-2/+142
This allows QoS mapping from external networks to be implemented as defined in IEEE Std 802.11-2012, 10.24.9. APs can use this to advertise DSCP ranges and exceptions for mapping frames to a specific UP over Wi-Fi. The payload of the QoS Map Set element (IEEE Std 802.11-2012, 8.4.2.97) is sent to the driver through the new NL80211_ATTR_QOS_MAP attribute to configure the local behavior either on the AP (based on local configuration) or on a station (based on information received from the AP). Signed-off-by: Kyeyoon Park <kyeyoonp@qca.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19nl80211: support vendor-specific eventsJohannes Berg1-19/+79
In addition to vendor-specific commands, also support vendor-specific events. These must be registered with cfg80211 before they can be used. They're also advertised in nl80211 in the wiphy information so that userspace knows can be expected. The events themselves are sent on a new multicast group called "vendor". Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19mac80211: add helper functions for tracking P2P NoA stateFelix Fietkau1-0/+140
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19mac80211: fix iflist_mtx/mtx locking in radar detectionJohannes Berg6-20/+73
The scan code creates an iflist_mtx -> mtx locking dependency, and a few other places, notably radar detection, were creating the opposite dependency, causing lockdep to complain. As scan and radar detection are mutually exclusive, the deadlock can't really happen in practice, but it's still bad form. A similar issue exists in the monitor mode code, but this is only used by channel-context drivers right now and those have to have hardware scan, so that also can't happen. Still, fix these issues by making some of the channel context code require the mtx to be held rather than acquiring it, thus allowing the monitor/radar callers to keep the iflist_mtx->mtx lock ordering. While at it, also fix access to the local->scanning variable in the radar code, and document that radar_detect_enabled is now properly protected by the mtx. All this would now introduce an ABBA deadlock between the DFS work cancelling and local->mtx, so change the locking there a bit to not need to use cancel_delayed_work_sync() but be able to just use cancel_delayed_work(). The work is also safely stopped/removed when the interface is stopped, so no extra changes are needed. Reported-by: Kalle Valo <kvalo@qca.qualcomm.com> Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19mac80211: remove unnecessary iflist_mtx lockingJohannes Berg2-4/+0
The radar detection code changed a few times, and due to the changes some iflist_mtx locking stayed in that isn't actually necessary - remove it. One version of the code needed it because an AP interface's VLAN list was changed to use this, but then we moved the list handling outside of the chanctx handling and thus the locking was no longer needed. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19mac80211: align struct ps_data.tim to unsigned longJoe Perches1-1/+2
Its address is used as an unsigned long *, so make sure that the tim u8 array is properly aligned. Signed-off-by: Joe Perches <joe@perches.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-18mac80211: make ieee80211_recalc_radar_chanctx staticJohannes Berg2-25/+23
The function is only used in one file, so move it up a bit to avoid forward declarations and make it static. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-18mac80211: fix checkpatch errorsWeilong Chen8-12/+12
Fix a number of different checkpatch errors. Signed-off-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16nl80211: add VHT support for set_bitrate_maskJanusz Dziedzic1-6/+86
Add VHT MCS/NSS set support for nl80211_set_tx_bitrate_mask(). This should be used mainly for test purpose, to check different MCS/NSS VHT combinations. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: read station mgmt keys via get_key callMax Stepanov1-1/+2
Allow to read management keys stored in a station's gtk key array with a get_key function. Signed-off-by: Max Stepanov <Max.Stepanov@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: check pairwise key_idx on get_key callMax Stepanov1-2/+2
Verify that a pairwise key index value on ieee80211_get_key call doesn't exceed the boundaries of the pairwise key array. Signed-off-by: Max Stepanov <Max.Stepanov@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: align ieee80211_ibss_csa_beacon() with ieee80211_assign_beacon()Luciano Coelho1-1/+4
The return value of ieee80211_ibss_csa_beacon is not aligned with the return value of ieee80211_assign_beacon(). For consistency and to be able to use both functions with similar code, change ieee80211_ibss_csa_beacon() not to send the bss changed notification itself, but return what has changed so the caller can send the notification instead. Tested by: Simon Wunderlich <sw@simonwunderlich.de> Acked by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: refactor ieee80211_ibss_process_chanswitch()Luciano Coelho3-50/+17
Refactor ieee80211_ibss_process_chanswitch() to use ieee80211_channel_switch() and avoid code duplication. Tested by: Simon Wunderlich <sw@simonwunderlich.de> Acked by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: update adjusting TBTT bit in beaconThomas Pedersen4-4/+22
This regression was introduced in "mac80211: cache mesh beacon". mesh_sync_offset_adjust_tbtt() was assuming that the beacon would be rebuilt in every single pre-tbtt interrupt, but now the beacon update happens on the workqueue, and it must be ready for immediate delivery to the driver. Save a pointer to the meshconf IE in the beacon_data (this works because both the IE pointer and beacon buffer are protected by the same rcu_{dereference,assign_pointer}()) for quick updates during pre-tbtt. This is faster and a little prettier than iterating over the elements to find the meshconf IE every time. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: reschedule sched scan after HW restartDavid Spinadel4-20/+68
Keep the sched scan req when starting sched scan, and reschedule it in case of HW restart during sched scan. The upper layer don't have to know about the restart. Signed-off-by: David Spinadel <david.spinadel@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: make ieee80211_assign_beacon() staticLuciano Coelho2-4/+2
This function is not used anywhere else than in cfg.c, so there's no need to export it. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: lock sdata in ieee80211_csa_connection_drop_work()Luciano Coelho1-0/+4
We call ieee80211_ibss_disconnect(), which requires sdata to be locked, so lock the sdata during ieee80211_csa_connection_drop_work(). Cc: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: let the driver reserve extra tailroom in beaconsFelix Fietkau1-3/+6
Can be used to add extra IEs (such as P2P NoA) without having to reallocate the buffer. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: free all AP/VLAN keys at onceJohannes Berg4-28/+43
When the AP interface is stopped, free all AP and VLAN keys at once to only require synchronize_net() once. Since that does synchronize_net(), also move two such calls into the function (using the new force_synchronize parameter) to avoid doing it twice. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: optimise mixed AP/VLAN station removalJohannes Berg3-6/+14
Teach sta_info_flush() to optionally also remove stations from all VLANs associated with an AP interface to optimise the station removal (in particular, synchronize_net().) To not have to add the vlans argument throughout, do some refactoring. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: optimise synchronize_net() for sta_info_flushJohannes Berg2-4/+41
There's no reason to have one synchronize_net() for each removed station, refactor the code slightly to have just a single synchronize_net() for all stations. Note that this is currently useless as hostapd removes stations one by one and this coalescing never happens. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: move synchronize_net() before sta key removalJohannes Berg2-14/+5
There's no reason to do this inside the sta key removal since the keys can only be reached through the sta (and not by the driver at all) so once the sta can no longer be reached, the keys are safe. This will allow further optimisation opportunities with multiple stations. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: don't delay station destructionJohannes Berg7-119/+12
If we can assume that stations are never referenced by the driver after sta_state returns (and this is true since the previous iwlmvm patch and for all other drivers) then we don't need to delay station destruction, and don't need to play tricks with rcu_barrier() etc. This should speed up some scenarios like hostapd shutdown. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: move 4-addr sta pointer clearing before synchronize_rcu()Johannes Berg1-3/+4
The pointer should be cleared before synchronize_rcu() so that the consequently dead station won't be found by any lookups in the TX or RX paths. Also check that the station is actually the one being removed, the check is not needed because each 4-addr VLAN can only have a single station and non-4-addr VLANs always have a NULL pointer there, but the code is clearer this way (and we avoid the memory write.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16mac80211: add pre-RCU-sync sta removal driver operationJohannes Berg3-19/+33
Currently, mac80211 allows drivers to keep RCU-protected station references that are cleared when the station is removed from the driver and consequently needs to synchronize twice, once before removing the station from the driver (so it can guarantee that the station is no longer used in TX towards the driver) and once after the station is removed from the driver. Add a new pre-RCU-synchronisation station removal operation to the API to allow drivers to clear/invalidate their RCU-protected station pointers before the RCU synchronisation. This will allow removing the second synchronisation by changing the driver API so that the driver may no longer assume a valid RCU-protected pointer after sta_remove/sta_state returns. The alternative to this would be to synchronize_rcu() in all the drivers that currently rely on this behaviour (only iwlmvm) but that would defeat the purpose. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-16Merge remote-tracking branch 'wireless-next/master' into mac80211-nextJohannes Berg508-13328/+30164
2013-12-11nfc: Fix FSF address in file headersJeff Kirsher22-61/+22
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: linux-wireless@vger.kernel.org CC: Lauro Ramos Venancio <lauro.venancio@openbossa.org> CC: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> CC: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-11rfkill: Fix FSF address in file headersJeff Kirsher1-3/+1
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: linux-wireless@vger.kernel.org Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-11Merge branch 'for-upstream' of ↵John W. Linville6-73/+877
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2013-12-10Bluetooth: Fix handling of L2CAP Command Reject over LEJohan Hedberg1-0/+26
If we receive an L2CAP command reject message over LE we should take appropriate action on the corresponding channel. This is particularly important when trying to interact with a remote pre-4.1 system using LE CoC signaling messages. If we don't react to the command reject the corresponding socket would not be notified until a connection timeout occurs. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2013-12-10Merge branch 'for-upstream' of ↵John W. Linville4-79/+70
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2013-12-09Bluetooth: Use macros for connectionless slave broadcast featuresMarcel Holtmann1-3/+3
Add the LMP feature constants for connectionless slave broadcast and use them for capability testing. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2013-12-07Bluetooth: Increase minor version of core moduleMarcel Holtmann1-1/+1
With the addition of L2CAP Connection Oriented Channels for Bluetooth Low Energy connections, it makes sense to increase the minor version of the Bluetooth core module. The module version is not used anywhere, but it gives a nice extra hint for debugging purposes. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2013-12-06Merge branch 'master' of ↵John W. Linville15-59/+99
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/brcm80211/Kconfig net/mac80211/util.c
2013-12-06Bluetooth: Fix valid LE PSM checkJohan Hedberg1-1/+1
The range of valid LE PSMs is 0x0001-0x00ff so the check should be for "less than or equal to" instead of "less than". Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2013-12-06Bluetooth: Use min_t for calculating chan->mpsJohan Hedberg1-5/+1
Since there's a nice convenient helper for calculating the minimum of two values, let's use that one. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2013-12-05mac80211: fix nested sdata lock for IBSS/CSASimon Wunderlich1-2/+2
This fixes a regression introduced by my patch "mac80211: don't cancel csa finalize work within stop_ap", which added sdata locks to ieee80211_csa_finalize_work() without removing the locking for ieee80211_ibss_finish_csa(), which is called by the former, resulting in a deadlock due to nested locking. Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05cfg80211: don't "leak" uncompleted scansEliad Peller3-30/+8
___cfg80211_scan_done() can be called in some cases (e.g. on NETDEV_DOWN) before the low level driver notified scan completion (which is indicated by passing leak=true). Clearing rdev->scan_req in this case is buggy, as scan_done_wk might have already being queued/running (and can't be flushed as it takes rtnl()). If a new scan will be requested at this stage, the scan_done_wk will try freeing it (instead of the previous scan), and this will later result in a use after free. Simply remove the "leak" option, and replace it with a standard WARN_ON. An example backtrace after such crash: Unable to handle kernel paging request at virtual address fffffee5 pgd = c0004000 [fffffee5] *pgd=9fdf6821, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] SMP ARM PC is at cfg80211_scan_done+0x28/0xc4 [cfg80211] LR is at __ieee80211_scan_completed+0xe4/0x2dc [mac80211] [<bf0077b0>] (cfg80211_scan_done+0x28/0xc4 [cfg80211]) [<bf0973d4>] (__ieee80211_scan_completed+0xe4/0x2dc [mac80211]) [<bf0982cc>] (ieee80211_scan_work+0x94/0x4f0 [mac80211]) [<c005fd10>] (process_one_work+0x1b0/0x4a8) [<c0060404>] (worker_thread+0x138/0x37c) [<c0066d70>] (kthread+0xa4/0xb0) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05mac80211: start_next_roc only if scan was actually runningEliad Peller1-1/+3
On scan completion we try start any pending roc. However, if scan was just pending (and not actually started) there is no point in trying to start the roc, as it might have started already. This solves the following warning: WARNING: CPU: 0 PID: 3552 at net/mac80211/offchannel.c:269 ieee80211_start_next_roc+0x164/0x204 [mac80211]() [<c001cd38>] (unwind_backtrace+0x0/0xf0) [<c00181d0>] (show_stack+0x10/0x14) [<c05c0d8c>] (dump_stack+0x78/0x94) [<c0047c08>] (warn_slowpath_common+0x68/0x8c) [<c0047c48>] (warn_slowpath_null+0x1c/0x24) [<bf4d6660>] (ieee80211_start_next_roc+0x164/0x204 [mac80211]) [<bf4d5a74>] (ieee80211_scan_cancel+0xe8/0x190 [mac80211]) [<bf4df970>] (ieee80211_do_stop+0x63c/0x79c [mac80211]) [<bf4dfae0>] (ieee80211_stop+0x10/0x18 [mac80211]) [<c0504d84>] (__dev_close_many+0x84/0xcc) [<c0504df4>] (__dev_close+0x28/0x3c) [<c0509708>] (__dev_change_flags+0x78/0x144) [<c0509854>] (dev_change_flags+0x10/0x48) [<c055fe3c>] (devinet_ioctl+0x614/0x6d0) [<c04f22a0>] (sock_ioctl+0x5c/0x2a4) [<c0124eb4>] (do_vfs_ioctl+0x7c/0x5d8) [<c012547c>] (SyS_ioctl+0x6c/0x7c) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05mac80211: determine completed scan type by defined opsEliad Peller1-8/+7
In some cases, determining the completed scan type was done by testing the SCAN_HW_SCANNING flag. However, this doesn't take care for the case in which the hw scan was requested, but hasn't started yet (e.g. due to active remain_on_channel). Replace this test by checking whether ops->hw_scan is defined. This solves the following warning: WARNING: CPU: 0 PID: 3552 at net/mac80211/offchannel.c:156 __ieee80211_scan_completed+0x1b4/0x2dc [mac80211]() [<c001cd38>] (unwind_backtrace+0x0/0xf0) [<c00181d0>] (show_stack+0x10/0x14) [<c05c0d8c>] (dump_stack+0x78/0x94) [<c0047c08>] (warn_slowpath_common+0x68/0x8c) [<c0047c48>] (warn_slowpath_null+0x1c/0x24) [<bf4d4504>] (__ieee80211_scan_completed+0x1b4/0x2dc [mac80211]) [<bf4d5a74>] (ieee80211_scan_cancel+0xe8/0x190 [mac80211]) [<bf4df970>] (ieee80211_do_stop+0x63c/0x79c [mac80211]) [<bf4dfae0>] (ieee80211_stop+0x10/0x18 [mac80211]) [<c0504d84>] (__dev_close_many+0x84/0xcc) [<c0504df4>] (__dev_close+0x28/0x3c) [<c0509708>] (__dev_change_flags+0x78/0x144) [<c0509854>] (dev_change_flags+0x10/0x48) [<c055fe3c>] (devinet_ioctl+0x614/0x6d0) [<c04f22a0>] (sock_ioctl+0x5c/0x2a4) [<c0124eb4>] (do_vfs_ioctl+0x7c/0x5d8) [<c012547c>] (SyS_ioctl+0x6c/0x7c) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05cfg80211: stop sched scan only when neededBarak Bercovitz1-1/+4
cfg80211_leave stops sched scan when any station vif is leaving. Add an explicit check and call it only when the relevant vif (the one we scan on) is leaving. Signed-off-by: Barak Bercovitz <barak@wizery.com> [Eliad - changed the commit message a bit] Signed-off-by: Eliad Peller <eliad@wizery.com> [Johannes - add ASSERT_RTNL since that protects the pointer] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05cfg80211: in bitrate_mask, rename mcs to ht_mcsJanusz Dziedzic2-11/+11
Rename NL80211_TXRATE_MCS to NL80211_TXRATE_HT and also rename mcs to ht_mcs in struct cfg80211_bitrate_mask. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> [reword commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05nl80211: allow setting bitrate mask back to defaultJanusz Dziedzic1-3/+5
Allow setting the bitrate masks back to default by omitting the NL80211_ATTR_TX_RATES attribute. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> [rephrase commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-05Bluetooth: Simplify l2cap_chan initialization for LE CoCJohan Hedberg2-25/+14
The values in l2cap_chan that are used for actually transmitting data only need to be initialized right after we've received an L2CAP Connect Request or just before we send one. The only thing that we need to initialize though bind() and connect() is the chan->mode value. This way all other initializations can be done in the l2cap_le_flowctl_init function (which now becomes private to l2cap_core.c) and the l2cap_le_flowctl_start function can be completely removed. Also, since the l2cap_sock_init function initializes the imtu and omtu to adequate values these do not need to be part of l2cap_le_flowctl_init. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-06 14:15:08 +0300