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* Bluetooth: Add documentation for Marvell Bluetooth driverBing Zhao2009-08-22
| | | | | | | | | | | add btmrvl.txt to Documentation/ This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add debugfs support to btmrvl driverBing Zhao2009-08-22
| | | | | | | | | | | | | | /debug/btmrvl/config/ /debug/btmrvl/status/ See Documentation/btmrvl.txt for details. This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add Marvell BT-over-SDIO driverBing Zhao2009-08-22
| | | | | | | | | | | | | | | This driver supports Marvell Bluetooth enabled devices with SDIO interface. Currently only SD8688 chip is supported. The helper/firmware images of SD8688 can be downloaded from this tree: git://git.infradead.org/users/dwmw2/linux-firmware.git This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add btmrvl driver for Marvell Bluetooth devicesBing Zhao2009-08-22
| | | | | | | | | | | | | This driver provides basic definitions and library functions to support Marvell Bluetooth enabled devices, such as 88W8688 WLAN/BT combo chip. This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Let HIDP grab the device reference for connectionsMarcel Holtmann2009-08-22
| | | | | | | | | | The core exports the hci_conn_hold_device() and hci_conn_put_device() functions for device reference of connections. Use this to ensure that the uevents from the parent are send after the child ones. Based on a report by Brian Rogers <brian@xyzw.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add extra device reference counting for connectionsMarcel Holtmann2009-08-22
| | | | | | | | | | | | | | | | | | | | The device model itself has no real usable reference counting at the moment and this causes problems if parents are deleted before their children. The device model itself handles the memory details of this correctly, but the uevent order is not consistent. This causes various problems for systems like HAL or even X. So until device_put() does a proper cleanup, the device for Bluetooth connection will be protected with an extra reference counting to ensure the correct order of uevents when connections are terminated. This is not an automatic feature. Higher Bluetooth layers like HIDP or BNEP should grab this new reference to ensure that their uevents are send before the ones from the parent device. Based on a report by Brian Rogers <brian@xyzw.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Disconnect HIDRAW devices on disconnectMarcel Holtmann2009-08-22
| | | | | | | | | | | Currently the HID subsystem will create HIDRAW devices for the transport driver, but it will not disconnect them. Until the HID subsytem gets fixed, ensure that HIDRAW and HIDDEV devices are disconnected when the Bluetooth HID device gets removed. Based on a patch from Brian Rogers <brian@xyzw.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Improve USB driver throughput by increasing the frame sizeVikram Kandukuri2009-08-22
| | | | | | | | | | | | This patch increases the receive buffer size to HCI_MAX_FRAME_SIZE which improves the RX throughput considerably. Tested against BRM/Atheros/CSR USB Dongles with PAN profile using iperf and chariot. This gave significant (around 40%) increase in performance (increased from 0.8 to 1.5 Mb/s in Sheld room) Signed-off-by: Vikram Kandukuri <vikram.kandukuri@atheros.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix missing scheduling when VIRTUAL_CABLE_UNPLUG is receivedVikram Kandukuri2009-08-22
| | | | | | | | | | | There is a test case in PTS tool; PTS will send the VIRTUAL_CABLE_UNPLUG command to IUT. Then IUT should disconnect the channel and kill the HID session when it receives the command. The VIRTUAL_CABLE_UNPLUG command is parsed by HID transport, but it is not scheduled to do so. Add a call to hidp_schedule() to kill the session. Signed-off-by: Jothikumar Mothilal <jothikumar.mothilal@atheros.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add proper shutdown support to SCO socketsMarcel Holtmann2009-08-22
| | | | | | | | | | | | | | | | The SCO sockets for Bluetooth audio setup and streaming are missing the shutdown implementation. This hasn't been a problem so far, but with a more deeper integration with PulseAudio it is important to shutdown SCO sockets properly. Also the Headset profile 1.2 has more detailed qualification tests that require that SCO and RFCOMM channels are terminated in the right order. A proper shutdown function is necessary for this. Based on a report by Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Tested-by: Johan Hedberg <johan.hedberg@nokia.com>
* Merge branch 'master' of ↵David S. Miller2009-08-21
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * MAINTAINERS: add information for mwl8k wireless driverLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: update copyright and version numberLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove mwl8k_queue_work()Lennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_configure_filter() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_get_stats() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_conf_tx() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_set_rts_threshold() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_bss_info_changed() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_config() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_stop() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: get rid of mwl8k_start() workqueue useLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: fix firmware command serialisationLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current mwl8k_priv->fw_lock spinlock doesn't actually protect against multiple commands being submitted at once, as it is not kept held over the entire firmware command submission. And since waiting for command completion sleeps, we can't use a spinlock anyway. To fix mwl8k firmware command serialisation properly, we have the following requirements: - Some commands require that the packet transmit path is idle when the command is issued. (For simplicity, we'll just quiesce the transmit path for every command.) - There are certain sequences of commands that need to be issued to the hardware sequentially, with no other intervening commands. This leads to an implementation of a "firmware lock" as a mutex that can be taken recursively, and which is taken by both the low-level command submission function (mwl8k_post_cmd) as well as any users of that function that require issuing of an atomic sequence of commands, and quiesces the transmit path whenever it's taken. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: mwl8k_queue_work() cleanupLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Delete most of the mwl8k_work_struct fields and options, since most of them are unused or never changed from their defaults: - We always use priv->config_wq, so delete the wqueue argument from mwl8k_queue_work(). - MWL8K_WQ_SPIN and MWL8K_WQ_POST_REQUEST are never used, as all callers sleep for request completion, so sleep unconditionally. - MWL8K_WQ_FREE_WORKSTRUCT is never used. - MWL8K_WQ_TX_WAIT_EMPTY is always set, so assume it unconditionally. - timeout_ms/txwait_attempts/tx_timeout_ms are never changed from their defaults, so just hardcode these in the workqueue worker. - step is never used. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: mwl8k_txq_xmit() reworkLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various mwl8k_txq_xmit changes: - Extract the QoS field before adding the DMA header. - Only write to tx->status once, and only after all the other descriptor fields have been set. - Do all tx state manipulation under the tx spinlock. - Remove the priv->inconfig check, as all transmit queues will be frozen during config cycles, so we won't ever be asked to transmit if a config cycle is running. - Remove some more dead code. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: implement idle modeLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: no need to hold ->tx_lock while setting the hardware interrupt maskLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: don't hardcode the number of transmit queuesLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | Use MWL8K_TX_QUEUES instead of a hardcoded "4" in a couple of places. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: don't touch 'command done' interrupt during firmware loadLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | Since firmware load commands don't generate 'command done' interrupts like normal commands do, polling for command done interrupts just unnecessarily slows down the firmware load process. Removing this bit of code speeds up loading a typical firmware image from 840 msec to 180 msec. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: dma header manipulations can't failLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding and removing the DMA header that the mwl8k hardware requires on tx and provides on rx can never fail, since we are guaranteed to have enough headroom on the tx path to expand the packet, and we only ever shrink the packet on the rx path. (And on both paths we are guaranteed to be the only user of the skb we are handling.) This allows removing all of the skb clone handling in the tx and tx reclaim paths, and eliminates error checks in both the tx and rx paths, simplifying the code a bit more. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: ->add_interface() is not called for monitor interfacesLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | There is no need to check for NL80211_IFTYPE_MONITOR in ->add_interface(), as this function is never called for monitor interfaces. Also, there is no need to advertise this bit in our wiphy's ->interface_modes. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: fix mwl8k_configure_filter() parameter lifetime issueLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mwl8k_configure_filter() passes pointers to total_flags and the multicast address list to a workqueue function, while there is no guarantee that those pointers will still be valid by the time the workqueue function runs. Solve this by passing total_flags by value, and by passing an already built multicast address setup command packet to the workqueue function so that we don't have to look at the multicast address list itself outside of mwl8k_configure_filter(). Also, since ->configure_filter() can sleep now, wait synchronously for the worker to finish. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove MWL8K_*_SLOTTIME definesLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove MWL8K_WMM_* definesLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove MWL8K_RADIO_*_PREAMBLE definesLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove MWL8K_RADIO_* definesLennert Buytenhek2009-08-20
| | | | | | | | | | | | | | | | | | | | Instead of passing a flag bitmask to mwl8k_cmd_802_11_radio_control, pass the 'enable' and 'force' arguments as separate parameters, and introduce wrappers for the common cases of enabling and disabling without forcing. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: various coding style cleanupsLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: sort firmware command list by opcode, and trim unused commandsLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: s/IEEE80211_ADDR_LEN/ETH_ALEN/gLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mwl8k: remove various unused struct members and definesLennert Buytenhek2009-08-20
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: Nuke struct ath9k_node_statsVasanthakumar Thiagarajan2009-08-20
| | | | | | | | | | | | | | | | | | | | Other than ns_avgbrssi (Average beacon rssi) no data of ath9k_node_stats is being used anywhere. Nuke this structure and move its only useful member to ar5416Anistate. Also cleanup this redundant data in ath_softc. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: Fix bug in retrieving average beacon rssiVasanthakumar Thiagarajan2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | Currently the beacon rssi that LPF gives is divided and rounded up by ATH_RSSI_EP_MULTIPLIER twice. This will leave the incorrect rssi in ANI. Having correct rssi in ANI fixes the connection stability at < 30dB rssi range. This patch removes the unncessary computation of average rssi over already valid average rssi. Also removes the redundant macros to find average rssi. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: add hardware tkipgregor kowski2009-08-20
| | | | | | | | | | | | | | | | This add hardware tkip for b43. Signed-off-by: Gregor Kowski <gregor.kowski@gmail.com> Acked-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: fix register_hw error pathJohannes Berg2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | "cfg80211: fix alignment problem in scan request" introduced a bug into the error path, because now we allocate the entire scan request and not just the channel list (the channel list is allocated together with the scan request) -- on errors we thus also need to free the entire scan request. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: LP-PHY: Implement spec updates and remove resolved FIXMEsGábor Stefanik2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | Larry has started re-checking all current routines against a new version of the Broadcom MIPS driver. This patch implements the first round of changes he documented on the specs wiki. Also remove a few FIXMEs regarding missing initial values for variables with dynamic initial values where reading the values has been implemented. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * cfg80211: allow cfg80211_connect_result with bssid == NULLZhu Yi2009-08-20
| | | | | | | | | | | | | | | | In case of connection failure, the bssid info is not a must have. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * orinoco: remove spare whitespaceDavid Kilroy2009-08-20
| | | | | | | | | | Signed-off-by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * cfg80211: fix leaks of wdev->conn->ieDavid Kilroy2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This only occurs in the following error situations: - driver calls connect_result with failure - error scheduling authentication on connect - error initiating scan (to get BSSID and channel) on connect - userspace calls disconnect while in the SCANNING or SCAN_AGAIN states Signed-off-by: David Kilroy <kilroyd@googlemail.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ar9170: refactor configure_filterChristian Lamparter2009-08-20
| | | | | | | | | | | | | | | | Thanks to "mac80211: allow configure_filter callback to sleep", we no longer have to defer the work to the workqueue. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: LP-PHY: Two small spec updatesGábor Stefanik2009-08-20
| | | | | | | | | | | | | | | | | | | | | | | | The specs are beginning to support rev3 LP-PHYs - implement one of the changes needed for rev3 support. Also, in the new MIPS driver, the "Japan TX filter" was renamed to "analog TX filter init" - however, calling it "init" is confusing, so name it "set analog filter", with a comment for easier future identification. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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