2519 Commits

Author SHA1 Message Date
Haim Dreyfuss
496d83caf3 iwlwifi: pcie: Configure shared interrupt vector in MSIX mode
In case the OS provides fewer interrupts than requested, different
causes will share the same interrupt vector as follow:
1.One interrupt less: non rx causes shared with FBQ.
2.Two interrupts less: non rx causes shared with FBQ and RSS.
3.More than two interrupts: we will use fewer RSS queues.

Also make the request depend on the number of online CPUs
instead of possible CPUs.

Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:24 +03:00
Sara Sharon
c46e7724bf iwlwifi: mvm: support new BA notification response
Support new format. TX response will not be sent anymore,
so all needed data is in the BA response.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:23 +03:00
Sara Sharon
bb98ecd4d3 iwlwifi: pcie: merge iwl_queue and iwl_txq
The original intent was to have the general iwl_queue shared
between RX and TX queues, but it is not the actual status.
Since it is not shared with any struct but iwl_txq, it adds
unnecessary complexity. Merge those structs.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:22 +03:00
Sara Sharon
4fe10bc603 iwlwifi: change byte count table for a000 devices
Since TFD was enlarged to 256 bytes, the fetch of the TFD
itself is very expensive.
To make DRAM to SRAM more efficient, bits 12-13 will indicate
the number of 64 byte chunks that should be transferred to
SRAM.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:22 +03:00
Sara Sharon
6983ba6951 iwlwifi: pcie: assign and access a000 TFD & TBs
Previous patch introduced the new formats. This patch
allocates the new structures and adjusts code accordingly.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:21 +03:00
Sara Sharon
8aacf4b73f iwlwifi: introduce trans API to get byte count table
In future HW the byte count table address will be configured
by ucode per queue. Add API to expose the byte count table to
the opmode

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-16 09:10:20 +03:00
Sara Sharon
db06f04daf iwlwifi: mvm: support new shared memory config API
In a000 devices we have 15 fifos, so in the shared memory
config the number of tx fifos in the array was changed
accordingly.
As it is in the middle of the struct, the parsing code needs
to be duplicated.
To minimize the duplication, do not save variables we never
actually use.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:36:21 +03:00
Sara Sharon
585a262742 iwlwifi: mvm: remove dump of locked registers
Firmware may lock those registers for access. This results
in 9000 devices with a bus stall and an endless loop of 0x5a5a5a.
Don't dump those registers.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:35:52 +03:00
Sara Sharon
3cd1980b0c iwlwifi: pcie: introduce new tfd and tb formats
New hardware supports bigger TFDs and TBs.
Introduce the new formats and adjust defines and code
relying on old format.
Changing the actual TFD allocation is trickier and
deferred to the next patch.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:34:54 +03:00
kbuild test robot
c0ed8aa4d1 iwlwifi: fix semicolon.cocci warnings
drivers/net/wireless/intel/iwlwifi/iwl-io.c:243:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:32:59 +03:00
Liad Kaufman
15985fba2e iwlwifi: mvm: don't free queue after delba in dqa
In DQA mode, a delBA might free the queue although it
shouldn't. Fix that.

Fixes: cf941e174ee2 ("iwlwifi: mvm: support dqa-mode agg on non-shared queue")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:30:58 +03:00
Sara Sharon
ca3b9c6b6d iwlwifi: mvm: call a different txq_enable function
Since the SCD_QUEUE_CFG command was introduced the driver
calls iwl_trans_txq_enable_cfg() with a NULL for scd_cfg
parameter.
This makes the transport avoid writing to the SCD pointers,
since it can cause races with firmware, which is also accessing
the registers.
The transport only updates the write pointer in that case.
Fix a wrong call to iwl_trans_txq_enable() which caused a
scd_cfg parameter to be sent to transport, resulting with an
access to SCD registers.

Fixes: 58f2cc57dc6a ("iwlwifi: mvm: support dqa-mode scd queue redirection")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 19:28:09 +03:00
Beni Lev
54c5ef2e93 iwlwifi: mvm: update TX queue before making a copy of the skb
Off-channel action frames (such as ANQP frames) must be sent either on
the AUX queue or on the offchannel queue, otherwise the firmware will
cause a SYSASSERT.

In the current implementation, the queue to be used is correctly set in
the original skb, but this is done after it is copied.  Thus the copy
remains with the original, incorrect queue.

Fix this by setting the queue in the original skb before copying it.

Fixes: commit 5c08b0f5026f ("iwlwifi: mvm: don't override the rate with the AMSDU len")
Cc: stable@vger.kernel.org # v4.6+
Signed-off-by: Beni Lev <beni.lev@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-09-15 18:35:20 +03:00
Julia Lawall
1dc80798a8 iwlegacy: constify local structures
For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@perches.com>.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14 20:01:40 +03:00
Javier Martinez Canillas
4c73195edb iwlegacy: use IS_ENABLED() instead of checking for built-in or module
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.

Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-12 20:28:00 -07:00
Sara Sharon
76f8c0e17e iwlwifi: pcie: remove dead code
If device family is 8000 then iwl_pcie_load_cpu_sections()
won't be called at all (iwl_pcie_load_cpu_sections_8000() is
called in that case) so this piece of code never gets called.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:43 +03:00
Sara Sharon
d6a2c5c78d iwlwifi: pcie: fix ucode load flow for a000 devices
Turns out we should access TFH relative addresses.
Also, the FH_UCODE_LOAD_STATUS was replaced by
UREG_UCODE_LOAD_STATUS.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:42 +03:00
Sara Sharon
ae79785f13 iwlwifi: pcie: refrain from SCD accesses
Up till now we accessed SCD configuration only for initial
configuration and for enabling command queue.
For a000 generation the command queue is open by default
and firmware configures the rest. No driver SCD accesses
are expected. Make sure this is the case.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:42 +03:00
Oren Givon
fe4a724973 iwlwifi: add the new 9170 series
Add a new config struct for the new 9170 series and add
the first PCI ID for it.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:41 +03:00
Oren Givon
22ccabf17a iwlwifi: add the new 9270 series
Add a new config struct for the new 9270 series and add
the first PCI ID for it.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:40 +03:00
Oren Givon
c62446d2b0 iwlwifi: add new 9460 series PCI IDs
Add 4 more new 9460 series PCI IDs.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:39 +03:00
Oren Givon
827e9ab854 iwlwifi: add a new series 9460 with new PCI ID
Add a new series to the 9000 series called 9460.
In addition, add a new PCI ID that is the 9460 new series.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:38 +03:00
Oren Givon
486c96a753 iwlwifi: rename and reorder 9000 series configuration structs
Rename and reorder the 9000 series configuration structs:
- struct containing configuration of 5165 was renamed to 9000.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:38 +03:00
Liad Kaufman
19aefa4594 iwlwifi: mvm: support txq tid owner change
Every active TXQ is assigned to a TID given through the
SCD_CONFIG_CMD, and acts as an identifier in the FW. However,
there may be cases this ownership needs to be changed.

For example, in the following scenario:
 1. TID x is owner of a queue
 2. Due to a shortage of queues, TID y and z share with x
 3. TID x becomes inactive and needs to be removed from the
    shared queue.
In this scenario, if another queue is freed and traffic on x
continues, we can't allocate it a new queue as long as it is
the owner of the first queue.

Support moving ownership of a TXQ to a different TID (same
STA) without stopping the queue.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:37 +03:00
Liad Kaufman
f7c692deef iwlwifi: mvm: use defines for SCD_CONFIG_CMD enablement
Due to the addition of another option in the SCD_CONFIG_CMD's
%enable field, change the assignment of this field to use
defines rather than hard-code the value itself.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:36 +03:00
Liad Kaufman
8d98ae6eb0 iwlwifi: mvm: re-assign old queues after hw restart in dqa mode
When working in DQA mode, if a queue is shared and a HW restart
occurs, there might be a possible race condition between
stations on the queues, and an existing queue might be left
with no queues.

To solve this, make sure in DQA mode to re-assign the same
queues as before the HW restart.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:35 +03:00
Liad Kaufman
edbe961cf4 iwlwifi: mvm: keep track of tid associated with each queue
When sending the SCD_QUEUE_CONFIG command, the queue is
associated to a specific TID. If later there is a need to
use this TID on a different queue instead, it first needs to
be unassociated from the first queue.

Keep track for every queue what TID is associated with it.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:35 +03:00
Liad Kaufman
9f9af3d7d3 iwlwifi: mvm: re-aggregate shared queue after unsharing
When a shared queue becomes unshared, aggregations should be
re-enabled if they've existed before. Make sure that they do
this, if required.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-30 14:16:34 +03:00
Sara Sharon
d975d72016 iwlwifi: mvm: support new paging command format
For a000 devices there is a support of 64 bit DMA addressing.
The paging command was changed accordingly - support it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 23:39:42 +03:00
Ayala Beker
8e160ab83a iwlwifi: mvm: support GMAC protocol
Add support for installing and removing GMAC key
for newer FW versions that support GCM and MFP.
GMAC provides authentication and integrity for multicast management
frames.

Firmware API was changed, update the driver accordingly.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 23:35:06 +03:00
Sara Sharon
f1ae02b186 iwlwifi: mvm: allow same PN for de-aggregated AMSDU
The 9000 hardware will de-aggregate AMSDUs. In the process
it will copy the mac header "as is" to the new MPDUs.
This means driver should allow the same PN for MPDUs originated
from the same AMSDU.
Do that by incrementing the PN only for the last MPDU in the
sequence.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 23:33:40 +03:00
Peer, Ilan
a904a08b5f iwlwifi: mvm: Advertise support for AP channel width change
The iwlmvm driver supports channel width change in AP mode.  Add the
proper flag.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 22:29:06 +03:00
Emmanuel Grumbach
ff6e58e648 iwlwifi: mvm: don't use ret when not initialised
fw-dbg code return ret but that variable was either 0
or not initialised. Return 0 always.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: 6a95126763fb ("iwlwifi: mvm: send dbg config hcmds to fw if set in tlv")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 22:29:05 +03:00
Sharon Dvir
bdc98b1371 iwlwifi: mvm: check if vif is NULL before using it
wdev_to_ieee80211_vif() might return NULL.
Check that vif != NULL before dereferencing it.

Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 22:29:04 +03:00
Emmanuel Grumbach
3606479593 iwlwifi: mvm: consider P2p device type for firmware dump triggers
When the user really wanted a dump on P2P Client, he
coudln't get it because we checked vif->type but didn't
take vif->p2p into account. Fix that.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-08-29 22:29:04 +03:00
Al Viro
27a22096b2 iwlwifi: use %pd
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-08-07 23:38:48 -04:00
Kalle Valo
643d09f461 * bump firmware version to load newer firmwares
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Merge tag 'iwlwifi-next-for-kalle-2016-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* bump firmware version to load newer firmwares
2016-07-18 22:46:28 +03:00
David S. Miller
88b3ec5274 wireless-drivers-next patches for 4.8
Major changes:
 
 iwlwifi
 
 * more work on the RX path for the 9000 device series
 * some more dynamic queue allocation work
 * SAR BIOS implementation
 * some work on debugging capabilities
 * added support for GCMP encryption
 * data path rework in preparation for new HW
 * some cleanup to remove transport dependency on mac80211
 * support for MSIx in preparation for new HW
 * lots of work in preparation for HW support (9000 and a000 series)
 
 mwifiex
 
 * implement get_tx_power and get_antenna cfg80211 operation callbacks
 
 wl18xx
 
 * add support for 64bit clock
 
 rtl8xxxu
 
 * aggregation support (optional for now)
 
 Also wireless-drivers is merged to fix some conflicts.
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Merge tag 'wireless-drivers-next-for-davem-2016-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.8

Major changes:

iwlwifi

* more work on the RX path for the 9000 device series
* some more dynamic queue allocation work
* SAR BIOS implementation
* some work on debugging capabilities
* added support for GCMP encryption
* data path rework in preparation for new HW
* some cleanup to remove transport dependency on mac80211
* support for MSIx in preparation for new HW
* lots of work in preparation for HW support (9000 and a000 series)

mwifiex

* implement get_tx_power and get_antenna cfg80211 operation callbacks

wl18xx

* add support for 64bit clock

rtl8xxxu

* aggregation support (optional for now)

Also wireless-drivers is merged to fix some conflicts.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-14 16:32:27 -07:00
Arnd Bergmann
25f700ef06 iwlwifi: add missing type declaration
The iwl-debug.h header relies in implicit inclusion of linux/device.h and
we get a lot of warnings without that:

drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:23: error: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
 void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace,
                       ^~~~~~
In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.h:66:0,
                 from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.c:68:
drivers/net/wireless/intel/iwlwifi/iwl-trans.h: In function 'iwl_trans_tx':
drivers/net/wireless/intel/iwlwifi/iwl-trans.h:1030:348: error: passing argument 1 of '__iwl_err' from incompatible pointer type [-Werror=incompatible-pointer-types]
   IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
                                                                                                                                                                                                                                                                                                                                                            ^
In file included from drivers/net/wireless/intel/iwlwifi/iwl-eeprom-read.c:67:0:
drivers/net/wireless/intel/iwlwifi/iwl-debug.h:44:6: note: expected 'struct device *' but argument is of type 'struct device *'
 void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace,
      ^~~~~~~~~

The easiest workaround is to just declare 'struct device' before its first use,
rather than including the entire header file.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 21cb3222fe56 ("iwlwifi: decouple PCIe transport from mac80211")
Acked-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-12 14:51:57 +03:00
Luciano Coelho
ad38844b8e iwlwifi: mvm: bump MAX firmware API for mvm devices
The driver is now ready to load the new firmware versions.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-11 14:15:38 +03:00
Kalle Valo
8a185006bc Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
This is to fix some conflicts in iwlwifi.

Conflicts:
	drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
	drivers/net/wireless/intel/iwlwifi/mvm/scan.c
2016-07-10 21:07:29 +03:00
Kalle Valo
26124f4b77 * work on DQA continued
* SAR BIOS implementation
 * some work on debugging capabilities
 * added support for GCMP encryption
 * data path rework in preparation for new HW
 * some cleanup to remove transport dependency on mac80211
 * support for MSIx in preparation for new HW
 * lots of work in preparation for HW support (9000 and a000 series)
 * general cleanups
 * general bugfixes
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Merge tag 'iwlwifi-next-for-kalle-2016-07-06' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* work on DQA continued
* SAR BIOS implementation
* some work on debugging capabilities
* added support for GCMP encryption
* data path rework in preparation for new HW
* some cleanup to remove transport dependency on mac80211
* support for MSIx in preparation for new HW
* lots of work in preparation for HW support (9000 and a000 series)
* general cleanups
* general bugfixes
2016-07-08 12:20:30 +03:00
Avraham Stern
7947d3e075 mac80211: Add support for beacon report radio measurement
Add the following to support beacon report radio measurement
with the measurement mode field set to passive or active:
1. Propagate the required scan duration to the device
2. Report the scan start time (in terms of TSF)
3. Report each BSS's detection time (also in terms of TSF)

TSF times refer to the BSS that the interface that requested the
scan is connected to.

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
[changed ath9k/10k, at76c59x-usb, iwlegacy, wl1251 and wlcore to match
the new API]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:53:19 +02:00
Sara Sharon
6f482e37b7 iwlwifi: move iwl_drv to be shared across transports
All transports has this structure. By moving it to be
shared, we can get rid of casting to the specific transport
in probe and remove.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:37:44 +03:00
Sara Sharon
38398efb74 iwlwifi: pcie: centralize SCD status logging
Centralize the logging of SCD status. The motivation is
that for a000 devices we will have new SCD HW, but this
code was duplicate anyway, so it is a proper cleanup.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:32:34 +03:00
Luca Coelho
55bfa4b9d4 iwlwifi: mvm: support v4 of the TX power command
Add support for the v4 version of the TX power command.  Just add a
new version and do the same sizing tricks that were done when support
for v3 was introduced.

This patch doesn't support the new functionality introduced, but makes
the driver work with the new size of the command.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:30:06 +03:00
Sara Sharon
564cdce735 iwlwifi: pcie: load FW chunk for a000 devices
Update the firmware load flow for TFH hardware.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:23:35 +03:00
Sara Sharon
e22744af3b iwlwifi: pcie: initialize a000 device's TFD table
For a000 device the FH was replaced by the TFH.
This is the first patch in a series introducing the
changes stemming from this change.
This patch initializes the TFQ queue table with the new
64 bit register and the relevant TFH configuration
registers.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:23:02 +03:00
Sara Sharon
12a17458a2 iwlwifi: centralize 64 bit HW registers write
Move the write_prph_64 of pcie to be transport agnostic.
Add direct write as well, as it is needed for a000 HW.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:22:08 +03:00
Sara Sharon
8de437c71e iwlwifi: pcie: generalize and increase the size of scratchbuf
Currently the scratch buffer is set to 16 bytes and indicates
the size of the bi-directional DMA.
However, next HW generation will perform additional offloading,
and will write the result in the key location of the TX command,
so the size of the bi-directional consistent memory should grow
accordingly - increase it to 40.
Generalize the code to get rid of now irrelevant scratch references.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:21:29 +03:00