- 12 Mar, 2012 11 commits
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Helmut Schaa authored
rt2800pci is suffering from beacon skew in AP mode. Some powersaving clients (like VOIP phones) are getting into trouble after some time when the beacon skew is getting too big. The ralink legacy drivers contain a function that indicates that the beacon timer is off by 1us per tbtt. And this function works around that by reducing the beacon interval for every 64th beacon transmission by 64us (the smallest possible value). Do the same in rt2800pci. This allows proper powersaving when rt2800pci is used in AP mode. Signed-off-by:
Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Helmut Schaa authored
Disable multi stream rates (MCS > 7) when a STA is in static SMPS mode since it has only one active rx chain. Hence, it doesn't even make sense to sample multi stream rates. Signed-off-by:
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Johannes Berg authored
As we've discussed, we want to avoid channel changes while associated. While the part when we actually associate needs a bit more work, the bit that happens on disassociating can be changed quite easily. Move the channel type change later in the disassociate process to set the channel only after the driver was told that it's now disassociated. As the driver could expect powersave to be enabled only when associated, this thus results in splitting the config call, but overall what happens makes more sense this way. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
When the station state callback was added, this was no longer needed in theory. With the iwlwifi changes to remove use of it landing, we can kill the entire tx-sync framework again, RIP. Signed-off-by:
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Mohammed Shafi Shajakhan authored
tested in AR9462 Rev:2, both hardware capability flag are set Signed-off-by:
Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by:
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Stanislav Yakovlev authored
ipw2200 driver does not use these defines, it uses geo struct instead. Therefore remove them from its header. Note: we keep them in the ipw2100 driver's header, because the driver still uses them. Signed-off-by:
Stanislav Yakovlev <stas.yakovlev@gmail.com> Signed-off-by:
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Ben Greear authored
On systems with multiple NICs, it's nice to know which one is producing warnings. Here is an example of the new ouput: ath: wiphy0: Failed to stop TX DMA, queues=0x005! Signed-off-by:
Ben Greear <greearb@candelatech.com> Signed-off-by:
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Ashok Nagarajan authored
The patch "mac80211_hwsim: Add tsf to beacons, probe responses and radiotap header" was setting the mactime on wrong hwsim radio. This patch fixes it. Signed-off-by:
Ashok Nagarajan <ashok@cozybit.com> Signed-off-by:
Javier Cardona <javier@cozybit.com> Signed-off-by:
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Helmut Schaa authored
While setting up or tearing down a BA session mac80211 is buffering pending frames for the according TID. However, there's currently no limit on how many frames are buffered possibly leading to an out-of- memory situation. This can happen on systems with little memory when the CPU is fully loaded since the BA session work is executed in process context while frames can still come via softirq. Apply a limitation to the TIDs pending queue to avoid consuming too much memory in this situation. Signed-off-by:
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Bala Shanmugam authored
Receive background scan period as part of connect command and pass the same to the driver. Signed-off-by:
Bala Shanmugam <bkamatch@qca.qualcomm.com> Signed-off-by:
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Sujith Manoharan authored
Flush MCI profiles only if MCI is being actually used. This fixes a panic on driver unload when non-MCI devices are being used and btcoex_enable is set. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffa06296d2>] ath_mci_flush_profile+0x12/0x100 [ath9k] Call Trace: [<ffffffffa061befe>] ath9k_stop_btcoex+0x5e/0x80 [ath9k] [<ffffffffa061ed57>] ath9k_stop+0xb7/0x230 [ath9k] [<ffffffffa0533f30>] ieee80211_stop_device+0x50/0x180 [mac80211] [<ffffffffa051f0cf>] ieee80211_do_stop+0x2af/0x6a0 [mac80211] [<ffffffffa051f4da>] ieee80211_stop+0x1a/0x20 [mac80211] [<ffffffff81365d96>] __dev_close_many+0x86/0xe0 [<ffffffff81365ee0>] dev_close_many+0xa0/0x110 [<ffffffff81366038>] rollback_registered_many+0xe8/0x260 [<ffffffff813661cb>] unregister_netdevice_many+0x1b/0x80 [<ffffffffa051e950>] ieee80211_remove_interfaces+0xd0/0x110 [mac80211] [<ffffffffa050c133>] ieee80211_unregister_hw+0x53/0x120 [mac80211] [<ffffffffa061d5a4>] ath9k_deinit_device+0x44/0x70 [ath9k] [<ffffffffa062c1d4>] ath_pci_remove+0x54/0xa0 [ath9k] [<ffffffff81267c46>] pci_device_remove+0x46/0x110 [<ffffffff8131021c>] __device_release_driver+0x7c/0xe0 [<ffffffff81310960>] driver_detach+0xd0/0xe0 [<ffffffff81310078>] bus_remove_driver+0x88/0xe0 [<ffffffff81311122>] driver_unregister+0x62/0xa0 [<ffffffff81268004>] pci_unregister_driver+0x44/0xc0 [<ffffffffa062c8b5>] ath_pci_exit+0x15/0x20 [ath9k] [<ffffffffa063205d>] ath9k_exit+0x15/0x31 [ath9k] [<ffffffff810b92cc>] sys_delete_module+0x18c/0x270 [<ffffffff814373dd>] ? retint_swapgs+0x13/0x1b [<ffffffff8124828e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff81437de9>] system_call_fastpath+0x16/0x1b Signed-off-by:
Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by:
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- 09 Mar, 2012 4 commits
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Wey-Yi Guy authored
BIg portion of "iwlwifi: remove max_txq_num from hw_params" was missing during merge, here is the fix for it. Signed-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by:
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Wey-Yi Guy authored
iwlwifi: move command queue number out of the iwl_shared struct move the cmd_queue out of iwl_shared struct, but for some reason the patch is half done and fail compile Here is the fix John, could you apply this patch to wireless-next to address the issue Thanks Signed-off-by:
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Emmanuel Grumbach authored
in iwlwifi: move setting up fw parameters Meenakshi moved code up to configure the transport layer, but this code read the sku before it was set (from the EEPROM). This killed P2P. Only the ucode_flags are needed to configure the transport layer, not the sku which _must_ be set after the EEPROM is read. We need to reconfigure the transport in case the EEPROM disabled PAN support. This is not the nicest thing to do, but we have no choice. Document that we are allowed to configure the transport several times before start_fw, but not after. Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Meenakshi Venkataraman authored
The command queue number is required by the transport layer, but it can be determined only by the op mode. Move this parameter to the dvm op mode, and configure the transport layer using an API. Signed-off-by:
Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by:
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- 08 Mar, 2012 25 commits
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Amitkumar Karwar authored
In recent commit "mwifiex: correct bitrates advertised..", we have removed 22Mbps and 72Mbps bitrates from supported bitrate array. It means number of bitrates has reduced from 14 to 12. Initialize ".n_bitrates" to array size instead of hardcoding it. Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
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Stanislav Yakovlev authored
Driver does not use it any more. Signed-off-by:
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Simon Wunderlich authored
* add entry for rate_idx_mcs_mask * fix order of entries to represent the structs' order Signed-off-by:
Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by:
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Don Fry authored
I missed a couple of status bits in my refactoring changes. This fixes the ones I missed. Signed-off-by:
Don Fry <donald.h.fry@intel.com> Signed-off-by:
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Johannes Berg authored
With the mac80211 deauth sequence changes, the station is deleted before the device is set unassociated. This can cause the device to get confused as it expects the station to be there while the associated bit is set. To fix this, do not delete the AP station from the device when mac80211 asks for deletion, instead just mark it as unused and rely on the unassociated RXON to drop it from the station database in the device. Signed-off-by:
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Johannes Berg authored
It's not needed anywhere but during init. Signed-off-by:
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Johannes Berg authored
The only reason we ever stop/wake queues at the transport level is now that they become full (or non-full), so the messages aren't useful any more -- remove them. Signed-off-by:
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Don Fry authored
Continue splitting the status bits between transport and op_mode. All but a few are separated. Signed-off-by:
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Meenakshi Venkataraman authored
Gather parameters required to configure the transport layer before invoking the transport configuration API. Change-Id: I5b39da284af6d9b5432a08911b4e1173a4d7207d Signed-off-by:
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Meenakshi Venkataraman authored
Introduce the iwl_trans_config struct which contains state variables that only the op mode can determine, but which the transport layer needs to know. Signed-off-by:
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Emmanuel Grumbach authored
There were a few missing occurences when we get PASSIVE_NO_RX notification. Signed-off-by:
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Stanislaw Gruszka authored
Otherwise we are not able to run more than one device per driver: [ 24.743045] kmem_cache_create: duplicate cache iwl_dev_cmd [ 24.743051] Pid: 3165, comm: NetworkManager Not tainted 3.3.0-rc2-wl+ #5 [ 24.743054] Call Trace: [ 24.743066] [<ffffffff811717d5>] kmem_cache_create+0x655/0x700 [ 24.743101] [<ffffffffa03b9f8b>] iwl_alive_notify+0x1cb/0x1f0 [iwlwifi] [ 24.743111] [<ffffffffa03ba442>] iwl_load_ucode_wait_alive+0x1b2/0x220 [iwlwifi] [ 24.743142] [<ffffffffa03ba893>] iwl_run_init_ucode+0x73/0x100 [iwlwifi] [ 24.743152] [<ffffffffa03b8fa1>] __iwl_up+0x81/0x220 [iwlwifi] [ 24.743161] [<ffffffffa03b91c0>] iwlagn_mac_start+0x80/0x190 [iwlwifi] [ 24.743188] [<ffffffffa03307b3>] ieee80211_do_open+0x293/0x770 [mac80211] Signed-off-by:
Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by:
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Don Fry authored
The shared status bits are a mixture of transport and op mode bits. Some are used just by one or the other, some are shared. Begin the de-tangling of these bits. Signed-off-by:
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David Spinadel authored
Add a Kconfig symbol to enable MFP for testing even if the firmware file doesn't advertise it. Signed-off-by:
David Spinadel <david.spinadel@intel.com> Signed-off-by:
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Amit Beka authored
The length of iwl_rx_packet doesn't include the dword for the length itself, so add it manually. Signed-off-by:
Amit Beka <amit.beka@intel.com> Signed-off-by:
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Amit Beka authored
Added a testmode command which tells iwl_rx_dispatch to send the RX both as a notification to nl80211 and with the registered RX handlers. This is used for monitoring RX from userspace while preserving the regular flows in the driver. Signed-off-by:
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Stanislaw Gruszka authored
If device is disabled by rfkill switch, do not enable all interrupts, but only CSR_INT_BIT_RF_KILL to receive rfkill state change. Unblocking other interrupts might cause problems, since driver can not be prepared for receive them. Signed-off-by:
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Stanislaw Gruszka authored
iwl_poll_direct_bit() return negative error value on timeout, positive values do not indicate an error. Signed-off-by:
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Stanislaw Gruszka authored
That change will save us some CPU cycles at run time. Having port-based I/O seems to be not possible for PCIe devices. Signed-off-by:
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Stanislaw Gruszka authored
wmb(), rmb() are not needed when writel(), readl() are used as accessors for MMIO. We use them indirectly via iowrite32(), ioread32(). What is needed mmiowb(), for synchronizing writes coming from different CPUs on PCIe bridge (see in patch comments). This fortunately is not needed on x86, where mmiowb() is just defined as compiler barrier. As iwlwifi devices are most likely not used on anything other than x86, this is not so important fix. Signed-off-by:
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Stanislaw Gruszka authored
Before we write to the device registers always check if iwl_grap_nic_access() was successful. On the way change return type of grab_nic_access() to bool, and add likely()/unlikely() statement. Signed-off-by:
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Stanislaw Gruszka authored
Print dump stack when the device is not responding. This should give some more clue about the reason of failure. Also change the message we print, since "MAC in deep sleep" is kinda confusing. On the way add unlikely(), as fail to gain NIC access is hmm ... unlikely. Signed-off-by:
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Johannes Berg authored
In "iwlwifi: consolidate the start_device flow" the code flow changed and the firmware is now loaded by the transport layer, but the change unfortunately lost error checking -- restore. Signed-off-by:
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Johannes Berg authored
The sensitivity parameters are never modified, so they should be const. Also remove the unused max_nrg_cck value to save some space. Signed-off-by:
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Johannes Berg authored
There's no need to carry around the function pointer when a boolean indicating that the EEPROM stores enhanced TX power information is sufficient. Signed-off-by:
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