We get DMA alignment trouble if the beginning of the conf.phy struct is
not aligned to 4 bytes. Use kmemdup to ensure alignment.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Don't use the ht_mode module parameter for determining AP supported
rates. We can rely on channel type, since HT40 won't be enabled if our
HT cap doesn't support it.

Enable MIMO only if there enough antennas, and rely on per-peer rate
limitation to prevent IOPs.
Signed-off-by: NArik Nemtsov <arik@wizery.com>

It seems some parties have bad user experience when smaller values
are used. This should have little implications for power consumption,
since traffic is bursty in nature.
Signed-off-by: NArik Nemtsov <arik@wizery.com>

Refuse to boot if the FW version is too old. The minimum version is set
per chip, with the option of setting it per PG in the future.

When boot fails because of an old FW, display a helpful message.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

New wl12xx firmware supports scheduled scans also while connected.
Stop blocking sched scan requests when connected and add a quirk to
block in hardware that don't support it (currently wl18xx doesn't).

This requires FW version 6/7.3.10.2.112 for single-role and
6/7.5.6.0.25 for multi-role.
Signed-off-by: NVictor Goldenshtein <victorg@ti.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

The new PG2 version of the chip has a few differences in terms of FW
API if compared to PG1.  PG1 is just a sample that shouldn't be used
in real life, so to avoid having to handle both separately, mark the
PG1 version as deprecated and bail out during probe.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

All io functions' return values should be propagated and handled. Add a
__must_check annotation to verify that the return values are checked and
to avoid future mistakes.
Signed-off-by: NIdo Yariv <ido@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Propagate errors from wl1271_raw_write32 and request for recovery when
appropriate.
Also rename prefixes of wlcore functions which their prototypes had to
be changed.
Signed-off-by: NIdo Yariv <ido@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Propagate errors from wl1271_raw_read32. Since the read functions had no
way of returning errors in-band, change their prototypes.
Also rename prefixes of wlcore functions which their prototypes had to
be changed.
Signed-off-by: NIdo Yariv <ido@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Propagate errors from wl1271_write and request for recovery when
appropriate.
Also rename prefixes of wlcore functions which their prototypes had to
be changed.
Signed-off-by: NIdo Yariv <ido@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

After 934b9d1e (wl18xx: avoid some -Wformat warnings) there was still
a warning with (at least) ARM gcc version 4.4.1:

drivers/net/wireless/ti/wl18xx/main.c: In function 'wl18xx_conf_init':
drivers/net/wireless/ti/wl18xx/main.c:1026: warning: format '%ld' expects type 'long int', but argument 2 has type 'unsigned int'

Fix this by using %zu for the both formats, since the fw->size and the
macro (derived from sizeof()) are size_t.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Remove the cap IEEE80211_HT_CAP_DSSSCCK40 from the 5Ghz variant of
the siso40 HT capabilities. It is meaningless in 5Ghz.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Introduce a default set of HT capabilities that are set according to the
number of antennas on the board. Move the HT setting code down to allow
the number of antennas to be set (and optionally overridden) before it.

Remove the "mimo" HT option, since the default mode now enables MIMO is
possible.

Use this opportunity to add a helper function for setting HT
capabilities and reduce the volume of the code a bit.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

The 18xx chip does not support MIMO in 5Ghz. Use the siso20 HT cap as
fallback in 5Ghz when "mimo" is requested.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Before patch b5d6d9b2 (wlcore/wl12xx/wl18xx: don't use TX align quirk
for wl127x), this was automatically set for all platforms. As this
should now be set explicitly, set it for PG2 as well.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

New PG2 firmwares have additional Rx descriptors.

Add a module parameter to manually set the number of Rx descriptors for
older versions (PG1). We cannot discriminate based on chip-id, since
this value must be set on probe.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Hold a value for sta_sleep_auth that is amenable to change by debugfs.
When detecting a legal value in this variable on interface init, use it
as an override value for sleep_auth.

This makes debugging more intuitive using the debugfs value.

Increment the conf version since we added an element to the conf
structure.

Note: An AP going up will always set sleep_auth to PSM_CAM.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

  CC      drivers/net/wireless/ti/wl18xx/main.o
drivers/net/wireless/ti/wl18xx/main.c: In function ‘wl18xx_conf_init’:
drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat]
drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘size_t’ [-Wformat]
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Give all wl18xx phy module paramters -1 as a default value, indicating
the paramter was not set. Add previous default values to the default
18xx priv conf structure.

Remove the board_type field from wl18xx priv. The field with the same
name inside the phy conf is good enough for our purposes.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

wl18xx_conf_phy represents part of the FW native wl18xx_mac_and_phy_params
structure. Remove it and replace the phy part of the wl18xx conf with the
FW bound structure. This allows us to set/override all members.

Increment the wlconf version to ensure compatibility with the new
structure
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Aligned to the struct in FW 8.2.0.0.91 and updated the debugfs entries
accordingly.
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

This is supported by new FW versions (.88+).
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Instead of using the hardcoded configuration structure, try to read it
from a "firmware" file called wl18xx-conf.bin.  If the file doesn't
exist, fall back to the hardcoded version.  If the file exists but is
illegal, bail out.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Add conf file header structure, magic and version values and export
the entire conf struct in debugfs.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Since we are now going to export the conf structure and read it from a
file, it should be packed to avoid surprises with padding bytes.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

The conf structure is going to be exported to a file, so we should use
only well defined types.  bool is not well defined and may vary from
platform to platform, so change the host_fast_wakeup_support type to
u8 instead.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

This patch calls ACX_CLEAR_STATISTICS to clear the firmware
statistics.  The trigger is a new debugfs file called
clear_fw_statistics in the fw_stats directory.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

In PG2 only the last frame in the aggregate buffer should be
aligned to the sdio block size. This frame's header msb should be
set to 0, while in all the previous frames in the aggregation
buffer, this bit should be set to 1.

[Add a HW op for setting the frame ctrl bit only for 18xx. Other minor
cleanups - Arik]

[Make the pre_pkt_send operation optional -- Luca]
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

In PG2, the HW watchdog interrupt occupies bit0 of the event vector, and
the SW watchdog is relocated to bit9. We perform the relocation
globally, as there's only one watchdog bit on previous platforms (bit0).

[Only mask in the new bit9 for platforms supporting it. This avoids
spurious events on other platforms - Arik]
Signed-off-by: NOrit Brayer <orit@ti.com>
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

PG2 requires 4 new parameters that to be passed to the PHY.

Use the actual PHY initialization struct size for the mem size of the
PHY_INIT section, to account for additions in params.

[Make sure PG1 still gets the original struct - Arik]
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

PG2 has a unique chip id. It supports similar HW quirks.
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

was hardcoded 252, now uses the parameters struct size.
Signed-off-by: NIdo Reis <idor@ti.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

We have to reconfigure the fw when erp protection should
be enabled/disabled. Pass beacons containing changes
in the ERP protection IE, so we could analyze them.
Signed-off-by: NEliad Peller <eliad@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

The 12xx set_key just calls the common wlcore_set_key function, in order
to program the keys into the FW.

The 18xx variant changes the spare block count when a GEM or TKIP
key is set. Also modify the get_spare_blocks HW op for 18xx to return
the correct numbers of spare blocks, according to what is currently
set in FW.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Add a HW op for getting spare blocks.

12xx cards require 2 spare blocks for GEM encrypted SKBs, regardless
of VIFs or keys programmed into the FW.

18xx cards require 2 spare blocks when there are any connected TKIP or
GEM VIFs. For now always return 2 spare blocks, as this works with all
networks. The special case TKIP/GEM functionality is added at a later
patch.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

18xx chips do not require extra space in the TKIP header. Introduce a
new HW quirk to allow us to make this feature arch-specific. 12xx chip
will now have this quirk.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Wrong fm_coex parameters were set during wl18xx
init phase, fix it.
Signed-off-by: NZiv Riesel <zivriesel@ti.com>
Signed-off-by: NVictor Goldenshtein <victorg@ti.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Save the ht_cap IE per-band, so we can configure different
params to BG and A bands (we currently don't support MIMO
on A band)

[Small fix for rx_highest - Arik]
Signed-off-by: NEliad Peller <eliad@wizery.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Add a dependency on mac80211 in Kconfig, and also replace some spaces
with tabs.
Reported-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

Modify default parameters to reduce firmware BSS lose
probability in congested environment.

[Applied to 18xx configuration as well - Arik]
Signed-off-by: NIgal Chernobelsky <igalc@ti.com>
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>