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Implement the operations that are necessary to fetch the
wl18xx-specific FW statistics and export them in debugfs.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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Implement the operations that are necessary to fetch the
wl12xx-specific FW statistics. Re-add some of the code removed from
wlcore.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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The number of RX packet descriptors may vary from chip to chip and
in different firmware versions. Unfortunately, the array that
contains the actual descriptors is in the middle of the fw_status
structure. To manage this, we split the struct into two so we can
calculate the offset of what comes after the array and access the last
elements more easily.
[Changed the STATUS_LEN macro to be placement agnostic - Arik]
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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PLT mode needs to be initialized differently for each chip. This
patch adds an operation to init PLT and moves the existing PLT
initialization into the wl12xx driver.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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Only wl127x chips use the rx_mem_pool_addr values, which need to be
given to the firmware as part of the RX path. Move this from core to
the wl12xx driver.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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Only wl12xx needs to get the ref_clock anc tcxo_clock values from the
platform data. Move these elements from the wl1271 structure to
wl12xx's private data.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
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Add a HW op to add extra enabled rates for AP-mode data-rates. Since
the rates might depend on channel properties, reconfigure AP-mode rates
when these change.
Implement the HW op for the 18xx family, where MIMO or wide-chan rates
can be added.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Some chip families can checksum certain classes of Rx packets in FW.
Implement the Rx-checksum feature as a HW-op. For the 18xx chip-family,
set Rx-checsum according to indication from FW.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Some chip families are capable of checksumming certain classes of Tx
packets in HW. Indicate this fact in the netdev features and perform the
HW checksum by protocol type for the 18xx family.
Fix the location of the skb network header when we move it so we can
rely on it when setting the checksum.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx build fails with many undefined symbol errors when MAC80211
and CFG80211 are not enabled, so make WLCORE and WL12XX depend
on MAC80211 (which already depends on CFG80211).
Here are a few of the many build errors:
drivers/built-in.o: In function `wl1271_register_hw':
main.c:(.text+0x4197cd): undefined reference to `ieee80211_register_hw'
drivers/built-in.o: In function `wl1271_rx_streaming_timer':
main.c:(.text+0x419818): undefined reference to `ieee80211_queue_work'
drivers/built-in.o: In function `wl1271_flush_deferred_work':
main.c:(.text+0x419910): undefined reference to `ieee80211_rx'
main.c:(.text+0x419938): undefined reference to `ieee80211_tx_status'
drivers/built-in.o: In function `wl12xx_op_channel_switch':
main.c:(.text+0x419afc): undefined reference to `ieee80211_chswitch_done'
drivers/built-in.o: In function `wl1271_ssid_set':
drivers/built-in.o: In function `wl1271_event_process':
event.c:(.text+0x41fec4): undefined reference to `ieee80211_sched_scan_stopped'
event.c:(.text+0x41ff88): undefined reference to `ieee80211_cqm_rssi_notify'
event.c:(.text+0x42000d): undefined reference to `ieee80211_stop_rx_ba_session'
event.c:(.text+0x420048): undefined reference to `ieee80211_stop_rx_ba_session'
event.c:(.text+0x4200b8): undefined reference to `ieee80211_chswitch_done'
event.c:(.text+0x4201ae): undefined reference to `ieee80211_find_sta'
event.c:(.text+0x4201ba): undefined reference to `ieee80211_report_low_ack'
event.c:(.text+0x42021b): undefined reference to `ieee80211_connection_loss'
drivers/built-in.o: In function `wl1271_tx_complete_packet':
tx.c:(.text+0x4206a6): undefined reference to `ieee80211_get_hdrlen_from_skb'
drivers/built-in.o: In function `wl1271_tx_fill_hdr':
tx.c:(.text+0x4208ca): undefined reference to `ieee80211_hdrlen'
drivers/built-in.o: In function `wl1271_handle_tx_low_watermark':
(.text+0x420e25): undefined reference to `ieee80211_wake_queue'
drivers/built-in.o: In function `wl12xx_rearm_rx_streaming':
(.text+0x420ed9): undefined reference to `ieee80211_queue_work'
drivers/built-in.o: In function `wl1271_tx_work_locked':
(.text+0x421008): undefined reference to `ieee80211_free_txskb'
drivers/built-in.o: In function `wl1271_rx_status.clone.2':
rx.c:(.text+0x421593): undefined reference to `ieee80211_channel_to_frequency'
drivers/built-in.o: In function `wl1271_ps_filter_frames':
ps.c:(.text+0x421a41): undefined reference to `ieee80211_tx_status'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Luciano Coelho <coelho@ti.com>
Cc: linux-wireless@vger.kernel.org
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add room for a private data struct at the end of the common FW status.
Add a convenience "counters" struct inside the FW status.
The wl12xx family does not currently use the FW status private data.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Different chip families have different firmware versions, so we need
to identify the firmware to enable quirks, reject the used version
etc. in the lower drivers. This commit turns the fw_ver_quirks
function into an identify_fw operation.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Set HT capabilities in the low-level HW driver. These are then used by
wlcore when registering with mac80211.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In some chip-families, there are operating modes where we must mask-out
certain Tx rates, and/or tweak the rate-mask with special HW-specific
bits.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Instead of having two memory configuration sets, one for wl127x and
one for wl128x, we can use only one which should be correctly set by
the lower driver.
The wl12xx driver now uses the wl128x memory config by default but
changes it when if it identifies the wl127x chips.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The extended radio configuration parameters are only used by the
wl127x chipsets, which are handled by the wl12xx driver. Move the rf
configuration settings from wlcore to wl12xx.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The configuration parameters vary with different chip families. Some
of the parameters used only by some chip families, others should have
different value depending on the family. Thus move the configuration
values from wlcore to wl12xx.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Change the cmd_trigger op to include the write of the command buffer.
Also, instead of letting the lower driver access the cmd_box_addr element
directly, we now pass the address in the trigger_cmd operation, so it
doesn't have to be exported.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add an op for family-specific vif initialization. Currently unused,
but will be needed when wl18xx support is implemented.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Move all the wl12xx-specific hw initialization procedures into a new
hw_init op. Move some commands and ACX functions to wl12xx.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Inverting the quirk flag to indicate Tx-alignment. This aligns it with
the similar Rx-side quirk.
The call to wl1271_set_block_size() decides whether SDIO block size
alignment can be used or not. In case we're using SPI, we can't use
the block size alignment, so the function returns false. So we set
the quirk when wl1271_set_block_size() returns true and let the wl12xx
lower driver unset the bit for wl127x (since it doesn't support this
quirk).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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One chip family employs immediate Tx completion, where knowledge of
completed packets is given as part of the FW status. Another is only
notified of Tx completion via the FW status, and has to read the
completion status of the packets from a different location.
Implement the wl12xx tx completion as a delayed Tx completion.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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There is a difference in the way chip families report the length of data
in a single Rx packet. Abstract this into a HW op. Refactor the Rx data
handling function to allocate the correct size for the data, and avoid
trimming the skb.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The only difference in the read_data operations is that some chips
need to prepare the data to be read before reading. So instead of
having a mandatory read_data operation, we now have an option
prepare_data operation that only needs to be implemented for chips
that require it.
In the wl12xx lower driver, we only set the prepare_data operation for
wl127x chips.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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An aligned data buffer is such where the Ethernet portion of the packet
starts on a 4-byte boundary. Some chip families support padding the Rx
data buffer to achieve such alignment, others rely on the host to perform
it.
Implement the HW op for getting alignment state in wl12xx. Add
support for HW-padded alignment in the Rx flow.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Rates reported by HW can be different between chip families. Make the
rate-to-idx translation tables private per family and use them in a
common translation function. Add a global element to help determine
which rates are HW HT-rates.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Each chip family indicates the length of a frame to the HW differently.
This includes different padding, alignment and other fields in the HW Tx
descriptor.
Put all wl12xx specific code in a hw op.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Each chip family has a slightly different Tx descriptor. Set the
descriptor values according to family.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Each chip family has a different block size and calculates the total
number of HW blocks differently, with respect to alignment.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The number of spare Tx blocks must be changed when the GEM cipher is
engaged. Track set_key() operations to see if this is the case and
change the Tx HW spare block count accordingly. Set the number of spare
blocks for each operating mode from the low level driver.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Each chip family can have a different amount of Tx descriptors. These
are set on init.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This storage is allocated in wlcore_alloc_hw and freed in free_hw. The
size of the storage is determined by the low-level driver.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Instead of checking the chip ID directly in the wlcore code to decide
whether to use the new or the old NVS format, we now use a quirk that
should be set by the low level driver to say that it needs to use the
old format.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Different chips may use different bits in the interrupt trigger
register. Add operations to handle these differences.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Different chip families have the factory MAC address written in
different places. Add a new hardware operation to read the MAC
address, if available.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The top registers initialization is very specific to the actual
hardware used, even the way in which we read from and write to the top
registers varies from chip to chip. This patch moves all top
registers initialization to wl12xx. Also add a boot op for the wlcore
module to call at the right time and a few callbacks with the common
called to be called from the lower drivers boot operations.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The PG version depends on the actual hardware. This commit moves the
code used to read the PG version to the lower driver, by adding the
get_pg_ver hardware operation.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Move the code that identifies the chip ID and selects the appropriate
firmware to an operation implemented by the lower driver. Also move
the quirks definitions into wlcore.h and rename to WLCORE_QUIRK_*.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add register tables support in wlcore, add some new IO functions to
read and write to chip-specific register and data addresses. Move
some common register values from wl12xx to wlcore and add the
registers table to wl12xx.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add partition tables to wlcore, move and reorganize partition setting
functions. Move wl12xx partition table to use the wlcore partition
table instead.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In order to add chip-specific operations and prepare for future
elements that need to be set by the lower driver, move the wl1271
structure to the wlcore.h file and add an empty placeholder for the
operations structure.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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We need to set some parameters (eg. partition and register tables)
during probe of the lower driver, so split the probe function, leaving
most of it in wlcore, but moving the hw struct allocation to the lower
driver.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Create a new small wl12xx module that only contains the probe
functions and depends entirely on wlcore otherwise.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Rename the wl12xx driver directory to wlcore as an initial step
towards the split of the driver into wlcore and wl12xx. We just
rename the directory first to keep git blame happy.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Move wl12xx and wl1251 modules into a new drivers/net/wireless/ti
directory. Add a TI WLAN Kconfig option and Makefile to support this
change.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Cc: John W. Linville <linville@tuxdriver.com>
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