This patch add sched scan support for mwifiex, include cfg80211
sched_scan_start/sched_scan_stop handler, corresponding bgscan
command path and event handler.
Signed-off-by: NXinming Hu <huxm@marvell.com>
Signed-off-by: Nchunfan chen <jeffc@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

By default our chip will be in spatial coexistence mode.
This patch adds a provision to change it to timeshare mode
via debugfs command.

Enable timeshare coexistence mode
   echo 1 > /sys/kernel/debug/mwifiex/mlan0/timeshare_coex

Go back to spacial coexistence mode
   echo 0 > /sys/kernel/debug/mwifiex/mlan0/timeshare_coex
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

64k Tx and Rx buffers are allocated during driver initialization
for SDIO level data aggregations. When host is under memory
pressure situation, kzalloc() request for 64k may fail.

We will try allocating 32k buffers and disable our rx single port
aggreagation feature in this situation.

If the allocation still fails, we will disable our sdio multport
aggregation feature as well. In this way, we will transmit and
receive packets one by one, thus reduce the demand for big
memory.
Signed-off-by: NXinming Hu <huxm@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch fixes following issues in p2p code paths.

1) bss role, bss type and connection type was not set correctly
for p2p GO and p2p client at couple of places.
2) Driver appends a proprietary header to management frames
which will be parsed by our firmware. Later while informing
TX status to cfg80211, modified frame buffer was passed to
cfg80211_mgmt_tx_status() instead of original one.
Signed-off-by: NAniket Nagarnaik <aniketn@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds support to advetise mwifiex multichannel support to
cfg80211. If module parameter drcs is enabled and FW supports multichannel
operation we advertise this support to cfg80211. As of now 2 simultaneous
channels are supported.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds support for setting multichannel policy as module parameter
to FW. Value of 1 indicates Multichannel support is enabled
and value of 0 disables it.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch add support for a new tdls configuration command
which is used for configuration of tdls channel switch parameters.
Signed-off-by: NXinming Hu <huxm@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch changes all debug print functions from dev_dbg/dev_err/dev_info
to mwifiex specific debug functions.
Signed-off-by: NZhaoyang Liu <liuzy@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds support for FW memory read/write operations via debugfs.
This is useful during debugging FW issues.

Examples:

For reading FW memory location:
echo r 0x01ac > /sys/kernel/debug/mwifiex/mlan0/memrw
cat /sys/kernel/debug/mwifiex/mlan0/memrw

For writing FW memory location:
echo w 0x01ac 0x55aa > /sys/kernel/debug/mwifiex/mlan0/memrw
Signed-off-by: NChin-ran Lo <crlo@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch brings in support for SDIO single port rx aggregation
to mwifiex.
Maximum read size support by SDIO cmd53 is 64K.
Based on multi port aggregation which is already part of mwifiex, idea here
is multiple packets received in FW can be aggregated into single buffer.
A separate upload type is defined for such packet aggregated to single port.
Packets from this single buffer are later deaggregated into individual packets.
This way, driver can receive more packets each time through single SDIO cmd53;
thereby reducing no of times MMC bus is accessed.

SDIO SP aggregation support is advertised by FW during load time and driver
would get FW block size in command response of HostCmd_CMD_SDIO_SP_RX_AGGR_CFG.
Signed-off-by: NZhaoyang Liu <liuzy@marvell.com>
Signed-off-by: NMarc Yang <yangyang@marvell.com>
Reviewed-by: NAmitkumar Karwar <akarwar@marvell.com>
Reviewed-by: NCathy Luo <cluo@marvell.com>
Reviewed-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds support for auto ARP feature in mwifiex.
The device will respond to ARP requests from the network
with ARP response in suspended state without waking up the host.
This feature is enabled in the driver by default.
Signed-off-by: NMaithili Hinge <maithili@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds support for cfg80211 start_radar_detection handler.
Upon reception of start_radar_detection, driver prepares radar detect
command to FW.

Delayed work is queued for CAC time which sends radar detection finished
event to cfg80211.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NQingshui Gao <gaoqs@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

FW initialization routine can also be called while changing
virtual interface types.
This patch adds bool parameter "init" to init command routine
so as to differentiate between initialization during driver load
and change virtual interface handler.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This patch adds module parameter for auto deepsleep configuration.
By default, module_param is 0 and auto deep sleep is enabled.
If mwifiex driver is loaded with disable_auto_ds=1, deep sleep
configuration would not be downloaded to FW and FW would not enter
deepsleep upon initializing.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

When mwifiex device becomes GO, unicast traffic between client1 and GO stops
when client2 connects to GO. Reason behind this was PTK getting
overwritten by key_material command for client2 as it did not have client
mac address. So, client1 can no more decode GO's ping packets though it
responds to its broadcast packets.

This patch adds case to check for BSS_ROLE instead of bss_type to set
client mac address while configuring keys when device becomes GO.
Signed-off-by: NMaithili Hinge <maithili@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

We will remove 'fw' prefix from these variable and macro
names and make them generic.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NCathy Luo <cluo@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The unit of this timeout is in seconds.
Reported-by: NPaul Stewart <pstew@chromium.org>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch updates mwifiex Copyright to 2014.
Signed-off-by: NXinming Hu <huxm@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch adds configuration timeout for TDLS link. This is
configuered at the time of TDLS link configuration. If TDLS link
is inactive for more than timeout, FW will tear this link.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

During Tx rate configuration, newer firmware V15 expects bitmap
for VHT MCS rates as well.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

There is a race condition while queuing synchronous command and
asynchronous command requested from different threads, because
the wait_q_enabled flag is set based on a global variable
cmd_wait_q_required.

The issue is fixed by removing this global variable and using a
unified function with an argument 'sync' passed into the
function.
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch adds key material V2 support to mwifiex.
Newer FW supports this feature and FW KEY API version is used
to determine which command structure needs to be used.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

During TDLS setup request/response, if HW is 11ac capable,
we add VHT Capability IEs in outgoing data frame. Also while
processing received setup request/response, we preserve peer's
11ac capability retrieved from IEs.

Patch also gets VHT parameters from config_station handlers and
sets it to FW using TDLS config command.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch adds cfg80211 change_station handler support for mwifiex
which is needed for TDLS link setup. Driver creates a command to
modify peer link capabilities and issues command to FW.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch adds cfg80211 add_station handler support for mwifiex
which is needed for TDLS setup. Driver issues create TDLS link
command to FW upon receiving add_station from cfg80211.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

This patch adds cfg80211 handler tdls_oper handler support to
mwifiex. Upon enable link, driver sets status as TDLS status as
setup complete and also sets AMSDU size, AMPDU params for direct
link. Upon disable link, driver issues command to FW to delete
this link in FW.
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

In extended scan, host gets scan results through one or
multiple events instead of scan command response. Host will
send next scan command when all the events are received.

Legacy scan sometimes truncates scan results in a noisy
environment due to buffer length limitation. This issue
is addressed in extended scan.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

If cfgdata length exceeds the command buffer size we will end up
getting buffer overflow problem. Fix it by checking the buffer
size less the command header length.
Reviewed-by: NPaul Stewart <pstew@chromium.org>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

When driver gets regulatory domain change notifications or before
associates to an AP with Country IE, the txpwrlimit table stored
in device tree for that country is downloaded to firmware.

The txpwrlimit downloading will happen only at the first time
when the alpha2 country code is changed. World regulatory domain
"00" notification doesn't trigger the downloading. This behavior
is same as domain_info command.
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Currently only conf file based cal-data downloading is supported.
On embedded platforms a better place to store the cal-data is in
device tree. Add cal-data downloading from device tree to firmware.
Both methods can co-exist.
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The cfg_data buffer will include the cfg_data structure header
(action, type, data_len). This makes it work for all data types
without extra parsing.
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The firmware expects the command structure members in little
endianness.
Signed-off-by: NUjjal Roy <royujjal@gmail.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

__le16 to u16 conversion is missing for "pg_tlv_hdr->length"
in mwifiex_get_power_level(). This creates a problem on big
endian machines.
It is resolved by changing definition of the structure
and making required endianness changes.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The variables cancel_scan_cmd, enable_data, hs_activate and valid are
only assigned the values true and false. Change its type to bool.

The simplified semantic patch that find this problem is as
follows (http://coccinelle.lip6.fr/):

@exists@
type T;
identifier b;
@@
- T
+ bool
  b = ...;
  ... when any
  b = \(true\|false\)
Signed-off-by: NPeter Senna Tschudin <peter.senna@gmail.com>
Acked-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Coalesce filters are configured in firmware based on settings
received from cfg80211.

Packet type which is required by firmware is determined based on
provided patterns in a rule:

Unicast: if pattern '01' with offset 0 is found
Multicast: if pattern '33:33' or '01:00:5e' with offset 0 is found
Broadcast: if pattern 'ff:ff:ff:ff' with offset 0 is found

Some example coalesce configuration files:

1) Coalesce Rx data packets from 192.168.0.88
mac address of our device is 00:50:43:21:53:7A
Source IP address offset comes out as 52 after following
calculations:
    32 bytes of HW 802.11 header + 8 bytes LLC +
    12 bytes in IPV4 header till source IP address
Destination mac is at offset 6 in HW header.

delay=100
condition=1
patterns=01,6+00:50:43:22,10+53:7A,52+c0:a8:00:58

2) Coalesce all broadcast and multicast packets(Multiple packet
types are not allowed in a single rule. Hence created separate
rules)

delay=400
condition=1
patterns=33:33
delay=400
condition=1
patterns=ff:ff:ff:ff
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Their names were generic. We need to define similar macros
for coalesce feature. Hence they are renamed here.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

We already have 'struct mwifiex_ie_types_header' with same
definition. Hence host_cmd_tlv is removed in this patch.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

User can provide a text file containing calibration data in hex
format while loading mwifiex module. It will be downloaded to
firmware.
eg. insmod mwifiex.ko cal_data_cfg=cal_data.conf
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Currently, default VHT configuration from the firmware is used
for the VHT operations. Adding vhtcfg command to configure the
firmware based on input received from cfg.

Enable VHT for AP mode only when cfg80211_ap_settings has a
VHT IE i.e., when ieee80211ac is set to 1 in the hostapd.conf.
Signed-off-by: NYogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: NAvinash Patil <patila@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>