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path: root/drivers/net
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2012-06-13iwlwifi: turn on a lockdep assertionDan Carpenter
CMD_SYNC is zero so the if (cmd->flags & CMD_SYNC) is never true and we never check the assertion. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: print even more info when a queue is stuckEmmanuel Grumbach
Since the queue gets stuck from time to time, we are trying to get as much information as we can when this occurs. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: Fix Makefile build order for built-in driverBrandon Misemer
When the driver is built into the kernel instead of a module when the system boots it results in a panic. The order things are built in results in their initialization order when built into the kernel. Wifi has to be initialized before mvm or dvm. Reviewed-by: Donald H Fry <donald.h.fry@intel.com> Tested-by: Donald H Fry <donald.h.fry@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Brandon Misemer <brandon.misemer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: comment that setting driver_data overrides info->controlEmmanuel Grumbach
Using the driver_data area in ieee80211_tx_info which resides in the CB overrides the info->control field. Add a comment to prevent mistakes. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: remove lock around txq_enableEmmanuel Grumbach
This locking isn't needed. The only locking we need is when we access prph registers but there is already a separate lock for that. Since we haven't returned from the mac80211's IEEE80211_AMPDU_TX_OPERATIONAL ampdu_action, we cannot receive any Tx frame for that sta / tid while enabling the queue. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: don't configure a txq that is being disabledEmmanuel Grumbach
This is not needed, we just need to tell the SCD not to use that queue. We will reconfigure that queue when we will use it again. Clean up a bit the code on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: print more info when a queue is stuckEmmanuel Grumbach
Print some more info from the SCD's SRAM and dump the TRB from the FH. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: iwl_{read,write}_targ_mem_words takes dwordsEmmanuel Grumbach
Change its name to better reflect this. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: s/iwl_read_targ_mem_words/iwl_read_targ_mem_bytesEmmanuel Grumbach
This macro gets the bufsize in bytes. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13iwlwifi: fix dynamic loadingJohannes Berg
Add locking to the dynamic loading code to prevent corrupting the list if multiple device ever init at the same time (which cannot happen for multiple PCI devices, but could happen when different busses init concurrently.) Also remove a device from the list when it stops so the list isn't left corrupted, including a fix from Don to not crash when it was never added. Reviewed-by: Donald H Fry <donald.h.fry@intel.com> Tested-by: Donald H Fry <donald.h.fry@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-11iwlwifi: decouple testmode and iwl-testIlan Peer
The iwl-test flows were based on the cfg80211 testmode APIs. To remove this coupling, the op mode (during the initialization of the iwl_test object) is responsible to set the callbacks that should be used by iwl-test to allocate skbs for events and replies and to send events and replies. The current op modes implement these callbacks based on the cfg80211 testmode APIs. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-11iwlwifi: refactor testmodeIlan Peer
Create an object that will enacpsulate the testmode functionality that is common to all op modes. * Copy definitions from dvm/dev.h * Copy the testmode logic from dvm/testmode.c * Link iwl-test object into the iwlwifi module * Modify DVM to use iwl-test object Reviewed-by: Amit Beka <amit.beka@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: remove extern opmode ops declarationsJohannes Berg
There's no need to declare the opmode ops as extern since they're now dynamically registered. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: move RF config into NIC configJohannes Berg
Since the RF config is done for all devices, there's no need to keep a separate function that is called for all devices, move it into the general NIC config function. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: configure PHY version for 1000 seriesJohannes Berg
We should also configure the PHY version in the CSR_HW_IF_CONFIG_REG register for 1000 series devices, not just for the other devices. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: fix typo 'IWL_WATCHHDOG_DISABLED'Paul Bolle
Commit 7c5ba4a830cbb730770129b0004e2a06e47dbac5 ("iwlwifi: move queue watchdog into transport") introduced the named constant 'IWL_WATCHHDOG_DISABLED'. Rename it to 'IWL_WATCHDOG_DISABLED'. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: refactor EEPROM reading/parsingJohannes Berg
The EEPROM reading/parsing code is all mixed in the driver today, and the EEPROM is parsed only when we access data from it. This is problematic because the NVM needs to be parsed and that is independent of reading it. Also, the NVM format for new devices will be different and probably require a new parser. Therefore refactor the reading and parsing and create two independent components. Reading the EEPROM requires direct hardware accesses and therefore access to the transport, but parsing is independent and can be done on an NVM blob. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: configure the SKU in the HWEmmanuel Grumbach
This was missing. Fix the mask of the REV_TYPE on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: fix rf configurationEmmanuel Grumbach
Johannes noticed this was completely messed up. We got confused between masks and bit position. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: add iwl_set_bits_maskJohannes Berg
In a few cases we need to set a value in a certain mask inside a register, add the function iwl_set_bits_mask() to make such code easy. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: allocate Tx cmd pool per deviceEmmanuel Grumbach
Different transports will have different needs: New tranports need headroom for their own use before the Tx cmd. So allocate the Tx cmd pool in the transport and give it a unique name based on dev_name. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: update mask value for SCD queue configEmmanuel Grumbach
Although we don't use bit 24, this bit is valid, but bit 23 is not. Update the mask accordingly. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: s/txq_setup/txq_enableEmmanuel Grumbach
We need to be able to enable / disable Tx queues in HW dynamically. So this function is no longer related to AGG only. It can do the job for any queue, even AC ones. Change the name to better reflect its role. Also use the new function to configure the AC / CMD queues in tx_start. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: s/txq_agg_disable/txq_disableEmmanuel Grumbach
We need to be able to enable / disable Tx queues in HW dynamically. So this function is no longer related to AGG only. It can do the job for any queue, even AC ones. Change the name to better reflect its role. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: use iwl_trans_set_wr_ptrs to init the queuesEmmanuel Grumbach
This functions does the job so use it instead of duplicating the code. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: first config the SCD queues, then activate themEmmanuel Grumbach
The DMA channels of the FH should be activated after the configuration of the SCD queues too. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: SCD_INT_MSK is obsolete - don't update itEmmanuel Grumbach
The scheduler can issue an interrupt when moving the read pointer. To get this interrupt, the driver needs to configure what queue can issue an interrupt when its read pointer moves in the scheduler: this is the SCD_INT_MSK. The driver also needs to enable the interrupt in CSR_INT_MASK (bit CSR_INT_BIT_SCD). Since we don't enable the scheduler interrupt in CSR_INT_MASK, there is no point in requesting an interrupt from the scheduler: it will be masked anyway. So don't configure the scheduler to issue interrupts at all. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: move ht40 bitmap into configJohannes Berg
There's no need to dynamically fill the HT40 band bitmap as it's a device parameter, just put it into the HT configuration. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: unify tx_chains_num settingJohannes Berg
There's no need to copy the same code for all devices since none of the 5000 series devices (that don't have the RX SISO override) don't set the rx_with_siso_diversity variable. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: move DVM code into subdirectoryJohannes Berg
Since we're working on another mode/driver inside iwlwifi, move the current one into a subdirectory to more cleanly separate the code. While at it, rename all the files. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: trust mac80211 HT40 settingJohannes Berg
When mac80211 asks us to do HT40, it'll not do so on a channel that we marked as not having HT40+/- with IEEE80211_CHAN_NO_HT40PLUS (or MINUS). Thus, there's no need to verify it again in the driver. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: move PCIe into subdirectoryJohannes Berg
Structure the code a bit more and move all PCIe code including the hardware configuration files into a PCIe specific subdirectory. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: clear STATUS_SCAN_HW when PAN_PARAMS failsIlan Peer
The STATUS_SCAN_HW is set before calling iwlagn_set_pan_params (used as an input to calculate slot time allocation). The bit needs to be cleared in case sending the command fails. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: give HT format to mac80211/radiotapJohannes Berg
We know whether we received a frame in GF format or not, add it to the radiotap information. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: use mac80211 channel for radar checkJohannes Berg
In channel switch, instead of relying on our internal channel database, just use the mac80211 channel that we filled with that information on startup. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: use mac80211 channels for reset scanJohannes Berg
Instead of iterating our own channel list, use the mac80211 channel list since that's already processed per band and thus makes for less code. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: trust mac80211 channel settingJohannes Berg
mac80211 will never set, switch to, or scan on an invalid channel, so remove the code to validate the channels against the driver channel list. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: use mac80211 channel in connection initJohannes Berg
mac80211 guarantees that the channel pointer is always valid, so we can use that instead of our own channel list. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: make a lot of functions staticJohannes Berg
A lot of functions were temporarily made non-static for experimental work, make them static again now. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: handle race condition in ROC flowIlan Peer
When a remain on channel request from mac80211 is followed by a request to tx a mgmt frame offchannel, it is possible that the remain on channel expires before the device reported the tx status for the frame. This causes a race condition in mac80211. To fix this, delay the ROC notification to mac80211 until the device reported the Tx status for all frames in the aux queue. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-06iwlwifi: Check BSS ctx active before call mac80211Ilan Peer
It is possible that the BSS context is not active (for example when the current mode is set to GO), or that the vif->type is different than station. In such a case we cannot call mac80211 to report the average rssi for the interface (the function assumes that the vif is valid and that the type is station). Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-05net/wireless: ipw2200: introduce ipw_read_eeprom functionStanislav Yakovlev
We separate reading of device's eeprom content from writing it back to the device's sram. Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05mwifiex: support NL80211_HIDDEN_SSID_ZERO_LEN for uAPAvinash Patil
mwifiex uAP supports NL80211_HIDDEN_SSID_ZERO_LEN type of hidden SSID only. NL80211_HIDDEN_SSID_ZERO_CONTENTS is not supported. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05mwifiex: invalidate bss config before setting channel for uAPAvinash Patil
Mark bss_config parameters as invalid before setting AP channel. This prevents from setting invalid parameters while setting AP channel to FW. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05cfg80211: provide channel to start_ap functionJohannes Berg
Instead of setting the channel first and then starting the AP, let cfg80211 store the channel and provide it as one of the AP settings. This means that now you have to set the channel before you can start an AP interface, but since hostapd/wpa_supplicant always do that we're OK with this change. Alternatively, it's now possible to give the channel as an attribute to the start-ap nl80211 command, overriding any preset channel. Cc: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05iwlwifi: add debugging to shadow registers and fix typoMeenakshi Venkataraman
Add a debugging log when using shadow registers. Also fix a minor typo in this connection. Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05iwlwifi: clean up coding style in PCIe transportJohannes Berg
Mostly clean up indentation around parentheses after if, function calls, etc. and also a few unneeded line breaks and some other things. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05iwlwifi: move notification wait into coreJohannes Berg
This code is a library to be used by multiple opmodes, so move it into the iwlwifi module. Reviewed-by: Donald H Fry <donald.h.fry@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05iwlwifi: implement dynamic opmode loadingDon Fry
This is the next step in splitting up the driver, making the uCode API dependent pieces of it live in separate modules. Right now there's only one so it's not user-selectable, but we're actively working on more. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05iwlwifi: move IWL_CMD_FAILED_MSKJohannes Berg
This is common, not uCode API specific, so move it to the transport together with the command header struct definition. Reviewed-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Reviewed-by: Guy Cohen <guy.cohen@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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