Commit Graph

25092 Commits

Author SHA1 Message Date
Benjamin Berg
7fde51227a ath9k: Expose tsf_adjustment in mac80211 tsf getters and setters.
The ath9k driver modifies the TSF for VIFs for the purpose of sending
beacons in a staggered fashion. This patch exposes this VIF specific
adjustment of the TSF value to mac80211. Without the change the TSF
routines handle the hardware TSF value instead of the actual TSF value as
seen on the air.

Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:03:33 +03:00
Benjamin Berg
bec9a94bc4 ath9k: Use tsf offset helper in ath9k_hw_reset
These changes make ath9k_hw_reset more consistent with other places that
handle the TSF value by using the same helper routine.

A slight improvement is to not assume that a fixed time of 1.5ms has
passed for the initval writes when compared to the first write attempt.
Instead the TSF value is re-calculated which will yield a higher accuracy
of the restored TSF timer.

Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:03:28 +03:00
Benjamin Berg
9580cb889f ath9k: Handle channel context in get_/set_/reset_tsf
The ath9k TSF handling routines need to be aware of the channel context that
is being modified. With this change the TSF related values that are stored
in each channel context will be correctly tracked and the harware will only
be updated if the modified context is currently the active one.

Without this change the TSF modifications done using these routines would
for example be lost during a hardware reset as done by ath_complete_reset.

Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:03:24 +03:00
Benjamin Berg
fa5106e1d7 ath9k: Correct TSF adjustment to align the beacon time correctly
Beacons were not send out at (timestamp % beacon_time == 0) for interfaces
other than the primary one. To send out beacons with the correct timestamp
according to 10.1.3.2 of the 802.11 standard the tsf_adjustment has to be
set to the negative time difference instead of positive. This way the
later beacons get corrected to have a lower (and similar) timestamp with
regard to the beacon from slot 0.

I am not aware about any issues that have been caused by this.

Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:03:20 +03:00
Martin Blumenstingl
28755b8f6d ath9k: move all ath9k_platform_data initialization into one function
No functional changes, this simply makes the code easier to understand
because all initialization based on ath9k_platform_data is now within
one function.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:01:31 +03:00
Martin Blumenstingl
d323cb71ab ath9k: remove return value from ath9k_hw_init_macaddr
ath9k_hw_init_macaddr unconditionally returns 0 in all cases, making the
return value unnecessary.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:01:27 +03:00
Martin Blumenstingl
0cefa97498 ath9k: ath9k_hw_init_macaddr should not overwrite valid MAC addresses
Currently setting the MAC address via ath9k_platform_data works only due
to the order in which init.c sets common->macaddr, which is done after
ath9k_hw_init_macaddr was executed. It would be better if the latter
was independent of the order in which it's being called.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:01:23 +03:00
Martin Blumenstingl
b27301f86c ath9k: remove variable which is set but never read
No functional changes - this only removes a variable which is set but
never read.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:01:18 +03:00
Martin Blumenstingl
3467f0d433 ath9k: Allow configuration of LED polarity in platform data.
Some devices running OpenWrt need this and it makes sense to add this
to ath9k_platform_data as the next patches will add a devicetree
(boolean) property for it as well.

Suggested-by: Vittorio Gambaletta <openwrt@vittgam.net>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 17:01:14 +03:00
Bjorn Andersson
86ceae90d3 wcn36xx: Fix up wcn36xx_smd_update_scan_params()
Fix up the wcn36xx_smd_update_scan_params() to work with non-ancient
versions of the firmware and support actually specifying the list of
channels.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 16:58:31 +03:00
Bjorn Andersson
6f10b4e1e6 wcn36xx: Correct DXE chip version differentiation
The CCU block in WCNSS is configured for appropriate routing of
interrupts from the DXE to the application cpu, this is not dependant on
the iris version (wcn3660 vs wcn3680), but rather if the SoC has a riva
or pronto built in.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 16:58:27 +03:00
Bjorn Andersson
05ddce497c wcn36xx: Split mmio space into explicit regions
Split the wcnss mmio space into explicit regions for ccu and dxe and
acquire these from the node referenced by the qcom,mmio phandle.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 16:58:22 +03:00
Bjorn Andersson
1c41fd5fb7 wcn36xx: Change indication list lock to spinlock
In preparation for handling incoming messages from IRQ context, change
the indication list lock to a spinlock

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 16:58:18 +03:00
Bjorn Andersson
909aa60c05 wcn36xx: Fold indication payload into message header
Merge the two allocation instead of separately allocating room for the
indication payload.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 16:58:14 +03:00
Larry Finger
238ad2ddf3 rtlwifi: rtl8723ae: Clean up the hardware info routine
This driver contains some complicated if ... else if ... else constructions.
These are replaced by switch statements to improve readability.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:04 +03:00
Larry Finger
a8c9fb2b82 rtlwifi: rtl8192de: Convert driver to use common hardware info routine
The driver for RTL8192DE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:04 +03:00
Larry Finger
2f7b4b8953 rtlwifi: rtl8821ae: Convert driver to use common hardware info routine
The driver for RTL8821AE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:03 +03:00
Larry Finger
9e9c9c247c rtlwifi: rtl8723be: Convert driver to use common hardware info routine
The driver for RTL8723BE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:03 +03:00
Larry Finger
8aaf6916de rtlwifi: rtl8723ae: Convert driver to use common hardware info routine
The driver for RTL8723AE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:02 +03:00
Larry Finger
5c392654ee rtlwifi: rtl8192ee: Convert driver to use common hardware info routine
The driver for RTL8192EE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:02 +03:00
Larry Finger
9468792743 rtlwifi: rtl8188ee: Convert driver to use common hardware info routine
The driver for RTL8188EE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:01 +03:00
Larry Finger
c2d9a41145 rtlwifi: rtl8192cu: Convert driver to use common hardware info routine
The driver for RTL8192CU chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:01 +03:00
Larry Finger
df5cbc697d rtlwifi: rtl8192ce: Convert driver to use common hardware info routine
The driver for RTL8192CE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:00 +03:00
Larry Finger
edb45b67a0 rtlwifi: Create common routine to get hardware info
All of the rtlwifi family of drivers have a similar routine that acquires
the hardware info from efuse and initializes a number of variables in the
driver's private area. A common routine is created for all drivers to use.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:00 +03:00
Shengzhen Li
5781fc29db mwifiex: fix interrupt processing corner case in MSI mode
As interrupt is read in interrupt handler as well as interrupt processing
thread, we observed a corner case issue for MSI in which interrupt gets
processed twice.

This patch moves interrupt reading code for MSI mode from
mwifiex_interrupt_status() to mwifiex_pcie_process_int() to avoid the
issue.

Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:49:13 +03:00
Brian Norris
d41376ca8b mwifiex: mask PCIe interrupts before removal
The PCIe driver didn't mask the host interrupts before trying to tear
down. This causes lockups at reboot or rmmod when using MSI-X on 8997,
since the MSI handler gets confused and locks up the system.

Also tested on 8897, which does not support MSI-X (and wasn't
experiencing this same bug). No regressions seen there.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:48:27 +03:00
Amitkumar Karwar
473dfbfa09 mwifiex: Change default firmware for PCIe8997 chipset
PCIe-USB8997 variant is being used in the product. Let's change default
firmware from PCIe-UART to PCIe-USB. So by default PCIe-USB firmware would
be downloaded if version register doesn't give any information.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:47:17 +03:00
Prasun Maiti
c18b104dd2 mwifiex: Fix endianness for event TLV type TLV_BTCOEX_WL_SCANTIME
The two members min_scan_time and max_scan_time of structure
"mwifiex_ie_types_btcoex_scan_time" are of two bytes each. The values
are assigned directtly from firmware without endian conversion handling.
So, wrong datas will get saved in big-endian systems.

This patch converts the values into cpu's byte order before assigning them
into the local members.

Signed-off-by: Prasun Maiti <prasunmaiti87@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:46:43 +03:00
Rafał Miłecki
dba8fbc67e brcmfmac: support removing AP interfaces with "interface_remove"
New firmwares (e.g. 10.10.69.36 for BCM4366) support "interface_remove"
for removing interfaces. Try to use this method on cfg80211 request. In
case of older firmwares (e.g. 7.35.177.56 for BCM43602 as I tested) this
will just result in firmware rejecting command and this won't change any
behavior.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:45:47 +03:00
Rafał Miłecki
a63b09872c brcmfmac: delete interface directly in code that sent fw request
So far when receiving event about in-firmware-interface removal our
event worker was notifying listener and afterwards it was removing Linux
interface.

First of all it was resulting in slightly unexpected order. The listener
(del_virtual_intf callback) was (usually) returning with success before
we even called unregister_netdev(ice).

Please note this couldn't be simply fixed by changing order of calls in
brcmf_fweh_handle_if_event as unregistering interface earlier could free
struct brcmf_if.

Another problem of current implementation are possible lockups. Focus on
the time slot between calling event handler and removing Linux
interface. During that time original caller may leave (unlocking rtnl
semaphore) *and* another call to the same code may be done (locking it
again). If that happens our event handler will stuck at removing Linux
interface, it won't handle another event and will block process holding
rtnl lock.

This can be simply solved by unregistering interface in a proper
callback, right after receiving confirmation event from firmware. This
only required modifying worker to don't unregister on its own if there
is someone waiting for the event.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:45:47 +03:00
Amitkumar Karwar
b74d6e740b mwifiex: fix scan_block flag handling
scan_block flag is used to block scan operation when 4 way handshake
is in progress. Sometimes it doesn't get cleared due to incomplete
association. An example is assoc request/response is done, but add key
operation get canceled in some corner cases. As a result, further
association/scan operations are blocked.

This patch fixes the problem by clearing scan_block flag.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:44:03 +03:00
Masanari Iida
8a1902374f rtlwifi: Fix typo in printk
This patch fix spelling typos found in drivers/net/wireless/realtek.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:42:51 +03:00
Jes Sorensen
fd83f12278 rtl8xxxu: gen1: Add module parameters to adjust DMA aggregation parameters
This allows the user to specify DMA aggregation timout and block
count. Blocks are presumably always 512 bytes, so the minimum block
count is 6 for 802.11 packets.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:59 +03:00
Jes Sorensen
614e389f36 rtl8xxxu: gen1: Set aggregation timeout (REG_RXDMA_AGG_PG_TH + 1) as well
gen2 chips as well as 8188eu seems to use this register for setting
DMA timeout threshold values, however the 8192cu is using
REG_USB_DMA_AGG_TO. Set both to be on the safe side.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:58 +03:00
Jes Sorensen
82cce22acd rtl8xxxu: Make DMA aggregation optional by setting a module parameter
Let the default to off until we have more data on the right default
tuning values.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:58 +03:00
Jes Sorensen
0a20ed8bd0 rtl8xxxu: Enable aggregation for rtl8192cu/rtl8188cu/rtl8188ru
This enables aggregation on rtl8192cu and derivative parts. This uses
the same parameters as for rtl8723au.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:57 +03:00
Jes Sorensen
91dcbb7175 rtl8xxxu: Enable aggregation for rtl8723au
Implement rtl8xxxu_gen1_init_aggregation(). Aggregation should be the
same for all gen1 parts. We may want to allow for tuning parameters in
the fileopes struct. For now this is based allocating 16KB RX buffers,
leaving 16000 bytes for actual packets, and the rest for the skb
overhead.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:57 +03:00
Jes Sorensen
1e5b3b3fe9 rtl8xxxu: Adjust RX skb size to include space for phystats
The old allocation didn't leave space for phystats in the buffer,
allowing the packet to be rejected if a frame size of size
IEEE80211_MAX_FRAME_LEN was received.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:56 +03:00
Jes Sorensen
04319ae2f6 rtl8xxxu: Allocate larger RX skbs when aggregation is enabled
This adds support for allocating larger skbs for devices which
indicate they support it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:56 +03:00
Jes Sorensen
040b97be60 rtl8xxxu: Add support for aggregated RX packets on gen1 parts
This implements support for demuxing aggregated RX packets on gen1
devices, using the rxdesc16 format.

So far this has only been tested with rtl8723au devices.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:55 +03:00
Jes Sorensen
41892729cf rtl8xxxu: Correct rxdesc16 definition
This corrects the definition of rxdesc16 to correctly specify pkt_cnt
for aggregated packets. This is based on the code of the vendor
rtl8723au driver, as opposed to the struct definitions they use.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:55 +03:00
Jes Sorensen
2db125d4af rtl8xxxu: Obtain ieee80211_rx_status within parse_rx_desc()
When handling aggregated packets, we'll get a new ieee80211_rx_status
for each cloned skb, so passing in the pointer from the outside
doesn't make sense.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:54 +03:00
Jes Sorensen
a635df8a41 rtl8xxxu: Move skb delivery into parse_tx_desc() handler
This is another prepatory patch to be able to handle aggregated RX
packets.

In order to avoid adding a prototype, this also moves the
rtl8723bu_handle_c2h() function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:53 +03:00
Jes Sorensen
c14ee43b8a rtl8xxxu: Set all ieee80211_rx_status values in parse_rx_desc()
This needs to be handled locally in the parse_rx_desc() function in
order to be able to handle aggregated packets in the future.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:53 +03:00
Machani, Yaniv
585dfe813f wlcore: time sync : add support for 64 bit clock
Changed the configuration to support 64bit instead of 32bit
this in order to offload the driver from handling a wraparound.

Signed-off-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 13:00:08 +03:00
Amitkumar Karwar
16d25da94f mwifiex: fix NULL pointer dereference during suspend
This patch fixes below NULL pointer dereference observed in suspend
stress test. When scan is cancelled during system suspend, we may end
up aceesing "priv->scan_request" in corner case.

[ 3035.304682] BUG: KASAN: null-ptr-deref on address 0000000000000008
[ 3035.304704] Read of size 4 by task ksdioirqd/mmc2/1183
[ 3035.304744] CPU: 0 PID: 1183 Comm: ksdioirqd/mmc2 Tainted: G        W      3.18.0 #1169
[ 3035.304772] Call trace:
[ 3035.304825] [<ffffffc00020a520>] dump_backtrace+0x0/0x190
[ 3035.304864] [<ffffffc00020a6cc>] show_stack+0x1c/0x28
[ 3035.304901] [<ffffffc000b36db8>] dump_stack+0xa0/0xf8
[ 3035.304940] [<ffffffc00039c494>] kasan_report+0x120/0x4fc
[ 3035.304975] [<ffffffc00039b6b4>] __asan_load4+0x20/0x80
[ 3035.305546] [<ffffffbffc1f5aec>] mwifiex_check_next_scan_command+0x1a4/0x588 [mwifiex]
[ 3035.306091] [<ffffffbffc1f7aec>] mwifiex_handle_event_ext_scan_report+0x304/0x370 [mwifiex]
[ 3035.306735] [<ffffffbffc206bb8>] mwifiex_process_sta_event+0x6c0/0xf10 [mwifiex]
[ 3035.307200] [<ffffffbffc1e609c>] mwifiex_process_event+0x2f4/0x358 [mwifiex]
[ 3035.307612] [<ffffffbffc1e25c8>] mwifiex_main_process+0x3cc/0x80c [mwifiex]
[ 3035.307737] [<ffffffbffc2523a0>] mwifiex_sdio_interrupt+0x198/0x1c0 [mwifiex_sdio]
[ 3035.307785] [<ffffffc0008d9250>] process_sdio_pending_irqs+0x15c/0x1d4
[ 3035.307826] [<ffffffc0008d93f0>] sdio_irq_thread+0xd8/0x288

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:59:28 +03:00
Amitkumar Karwar
09e672a16b mwifiex: clear scan_aborting flag
The flag should be cleaned along with other scan operation variables.
This was missing at some places.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:59:27 +03:00
Amitkumar Karwar
322397b268 mwifiex: code rearrangement in suspend handler
We will derive sta_priv at the beginning of suspend handler.
This will be useful for next patch in this series.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:59:27 +03:00
Joe Perches
4713bd1c74 rtlwifi: Add missing newlines to RT_TRACE calls
RT_TRACE does not add a newline to the end of a message and always
emits at KERN_DEBUG so these are susceptible to message interleaving
from other processes without the newline.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:58:38 +03:00
Joe Perches
9ce221915a rtlwifi: Create _rtl_dbg_trace function to reduce RT_TRACE code size
This debugging macro can expand to a lot of code.
Make it a function to reduce code size.

(x86-64 defconfig w/ all rtlwifi drivers and allyesconfig)
$ size drivers/net/wireless/realtek/rtlwifi/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 900083	 200499	   1907	1102489	 10d299	drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.new
1113597	 200499	   1907	1316003	 1414a3	drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.old
1746879	 453503	   8512	2208894	 21b47e	drivers/net/wireless/realtek/rtlwifi/built-in.o.new
2051965	 503311	   8512	2563788	 271ecc	drivers/net/wireless/realtek/rtlwifi/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:55:09 +03:00
Jes Sorensen
78383ac951 rtl8xxxu: Reduce console noise when removing the kernel module
USB urbs will return with a status != 0 when rmmod'ing the driver. No
need to fill the log with messages from rtl8xxxu_int_complete()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:54:24 +03:00
Luis de Bethencourt
efcb32883f rtl8xxxu: remove unneeded assignments
reg_eac and reg_ecc are only used if candidate is bigger than 0, and in
that case new values will be given to them. Removing the unused
assignments.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:54:23 +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
Mohammed Shafi Shajakhan
ce30c4fe1a ath10k: replace warning with an error message if HTT op version is unset
Print an ath10k error message rather a call trace when HTT op version is
not found from firmware META data (IE). This should be sufficient to figure
out what went wrong.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:53:44 +03:00
Anilkumar Kolli
e565c3125e ath10k: enable support for QCA9888
QCA9888 shares the same configuration with QCA99X0
with NSS=2.

Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:50:45 +03:00
Anilkumar Kolli
2225378d84 ath10k: remove unused member in ath10k_hw_regs
rtc_state_cold_reset_mask is unused in ath10k_hw_regs.
instead fixed delays are used.

Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:50:41 +03:00
Ben Greear
d0eeafad11 ath10k: Clean up peer when sta goes away.
If WMI and/or firmware has issues removing the peer object,
then we still need to clean up the peer object in the driver.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:48:22 +03:00
Ben Greear
c5ace87a88 ath10k: Add WARN_ON if we over-write peer-map pointer.
Not sure this can happen, but seems like a reasonable sanity
check.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:48:17 +03:00
Eduardo Abinader
9802977dcc ath10k: remove extra space on ath10k_update_channel_list
just to comply to coding style.

Signed-off-by: Eduardo Abinader <eduardo.abinader@riverbed.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:47:10 +03:00
Ashok Raj Nagarajan
34293f7558 ath10k: simplify pktlog htt event processing
It is expected that all pktlog events for 10.4 firmware based solutions
should come through CE8 where as in case of 10.2 firmware based solutions,
it should come through one of the HTT events (HTT_T2H_MSG_TYPE_PKTLOG).

But from experiments with 10.4 based solutions, it is observed that pktlog
event for ATH_PKTLOG_TYPE_TX_MSDU_ID is coming through HTT pktlog event.
Currently, we always parse with 10.2 pktlog header which will lead to
pktlog decoding issues (payload length mismatch exceptions)

For trace points, it is required to provide only the payload size. So
fixing this by simplifying the payload size calculation without the use of
ath10k pktlog headers.

While there, remove the unused ath10k pktlog headers.

Signed-off-by: Ashok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:46:03 +03:00
Chaehyun Lim
a3dadad733 ath10k: remove unused <linux/semaphore.h>
<linux/semaphore.h> is not used anymore, so just remove the include.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:43:59 +03:00
Ben Greear
6d68f7900d ath10k: ensure peer_map references are cleaned up
While debugging OS crashes due to firmware crashes, I enabled
kasan, and it noticed that peer objects were being used-after-freed.

Looks like there are two places we could be leaving stale references
in the peer-map, so clean that up.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:41:59 +03:00
Ben Greear
de0170beaa ath10k: ensure txrx-compl-task is stopped when cleaning htt-tx
Otherwise, the txrx-compl-task may access some bad memory?

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:41:55 +03:00
Mohammed Shafi Shajakhan
2ba1f37094 ath10k: remove debugfs support for Per STA total rx duration
cfg80211/nl80211 interface changes for per STA total rx-duration and
very basic 'ath10k_sta_statistics'  mac80211 callback is implemented
to extend support for per station statistics from the driver.

Also provision in 'iw dev wlan#N station dump' to parse rx-duration
is supported. So its safer to remove the debugfs entry for per STA
rx-duration

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:37:51 +03:00
Mohammed Shafi Shajakhan
120a1f02a5 ath10k: add support for ath10k_sta_statistics support
Enable support for 'drv_sta_statistics' callback.
Export rx_duration support if available to cfg80211/nl80211

This can also act as a placeholder for any new per STA stats support

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:37:47 +03:00
Mohammed Shafi Shajakhan
4a49ae94a4 ath10k: fix 10.4 extended peer stats update
10.4 'extended peer stats' will be not be appended with normal peer stats
data and they shall be coming in separate chunks. Fix this by maintaining
a separate linked list 'extender peer stats' for 10.4 and update
rx_duration for per station statistics. Also parse through beacon filter
(if enabled), to make sure we parse the extended peer stats properly.
This issue was exposed when more than one client is connected and
extended peer stats for 10.4 is enabled

The order for the stats is as below
S - standard peer stats, E- extended peer stats, B - beacon filter stats

{S1, S2, S3..} -> {B1, B2, B3..}(if available) -> {E1, E2, E3..}

Fixes: f9575793d4 ("ath10k: enable parsing per station rx duration for 10.4")
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08 09:36:41 +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
Avraham Stern
1d76250bd3 nl80211: support beacon report scanning
Beacon report radio measurement requires reporting observed BSSs
on the channels specified in the beacon request. If the measurement
mode is set to passive or active, it requires actually performing a
scan (passive or active, accordingly), and reporting the time that
the scan was started and the time each beacon/probe was received
(both in terms of TSF of the BSS of the requesting AP). If the
request mode is table, this information is optional.
In addition, the radio measurement request specifies the channel
dwell time for the measurement.

In order to use scan for beacon report when the mode is active or
passive, add a parameter to scan request that specifies the
channel dwell time, and add scan start time and beacon received time
to scan results information.

Supporting beacon report is required for Multi Band Operation (MBO).

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:51:31 +02:00
Johannes Berg
f1724b0258 mac80211_hwsim: use signed net namespace ID
The API expects a pointer to a signed int so we should not use an
unsigned int for it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:48:37 +02:00
Ilan Peer
f7736f501f mac80211_hwsim: Add radar bandwidths to the P2P Device combination
Add radar_detect_widths to the interface combination that allows
concurrent P2P Device dedicated interface and AP interfaces, to enable
testing of radar detection when P2P Device interface is used.

Clear the radar_detect_widths in case of multi channel contexts
as this is not currently supported.

As radar_detect_widths are now supported in all combinations,
remove the hwsim_if_dfs_limits definition since it is no longer
needed.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-07-06 14:46:30 +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
Sara Sharon
b1753c62c7 iwlwifi: pcie: track rxb status
In MQ environment and new architecture in early stages
we may encounter DMA issues. Track RXB status and bail
out in case we receive index to an RXB that was not
mapped and handed over to HW.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:18:20 +03:00
Emmanuel Grumbach
f16c3ebfa6 iwlwifi: pcie: fix a race in firmware loading flow
Upon firmware load interrupt (FH_TX), the ISR re-enables the
firmware load interrupt only to avoid races with other
flows as described in the commit below. When the firmware
is completely loaded, the thread that is loading the
firmware will enable all the interrupts to make sure that
the driver gets the ALIVE interrupt.
The problem with that is that the thread that is loading
the firmware is actually racing against the ISR and we can
get to the following situation:

CPU0					CPU1
iwl_pcie_load_given_ucode
	...
	iwl_pcie_load_firmware_chunk
		wait_for_interrupt
					<interrupt>
					ISR handles CSR_INT_BIT_FH_TX
					ISR wakes up the thread on CPU0
	/* enable all the interrupts
	 * to get the ALIVE interrupt
	 */
	iwl_enable_interrupts
					ISR re-enables CSR_INT_BIT_FH_TX only
	/* start the firmware */
	iwl_write32(trans, CSR_RESET, 0);

BUG! ALIVE interrupt will never arrive since it has been
masked by CPU1.

In order to fix that, change the ISR to first check if
STATUS_INT_ENABLED is set. If so, re-enable all the
interrupts. If STATUS_INT_ENABLED is clear, then we can
check what specific interrupt happened and re-enable only
that specific interrupt (RFKILL or FH_TX).

All the credit for the analysis goes to Kirtika who did the
actual debugging work.

Cc: <stable@vger.kernel.org> [4.5+]
Fixes: a6bd005fe9 ("iwlwifi: pcie: fix RF-Kill vs. firmware load race")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:16:12 +03:00
Johannes Berg
21cb3222fe iwlwifi: decouple PCIe transport from mac80211
The PCIe transport needs to store two pointers in each TX SKB, and
currently assumes mac80211's ieee80211_tx_info is present in the CB
to do that.

In order to remove that assumption, have the opmodes pass in the
offset to where the pointers can be stored in the CB and use the
offset in the PCIe code.

To make the disentanglement complete, remove mac80211.h includes
from everywhere in the generic iwlwifi code. This required adding
an include of cfg80211.h in one place.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:09:56 +03:00
Johannes Berg
0c4cb7314d iwlwifi: tracing: decouple from mac80211
In order to be able to properly record SKBs that didn't come through
mac80211, don't rely on the IEEE80211_TX_CTRL_PORT_CTRL_PROTO flag
but instead check for ETH_P_PAE directly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:08:56 +03:00
Johannes Berg
24ddddf367 iwlwifi: store cipher scheme independent of mac80211
In order to reduce reliance on mac80211 structs in the core
iwlwifi code, store the cipher schemes in the format given
by the firmware and convert it later, rather than storing it
in the mac80211 format.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:08:25 +03:00
Sara Sharon
60dec5233c iwlwifi: mvm: free RX reorder buffer on restart
Restart flow zeroes the rx_ba_sessions counter. Mac80211 asks
driver to tear down of the session only afterwards, and as a
result driver didn't free the data. Fix it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 10b2b2019d ("iwlwifi: mvm: add infrastructure for tracking BA session in driver")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:06:01 +03:00
Sara Sharon
35263a0311 iwlwifi: mvm: add RX aggregation prints
Add some prints to track BAID assignment.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:05:37 +03:00
Liad Kaufman
58f2cc57dc iwlwifi: mvm: support dqa-mode scd queue redirection
Make sure that in DQA mode, the SCD's configuration of a
queue is redirected to the lower AC of the streams of the
queue.

Make sure that this queue is redirected to the lowest AC
when adding a new RA/TID to an existing queue. If it isn't -
redirect the queue.

Also, as redirection revealed a bug in the marking of a
shared queue, this patch contains a small fix to make
sure a shared queue maintains the appropriate "shared queue
marking".

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 10:00:21 +03:00
Liad Kaufman
e3118ad74d iwlwifi: mvm: support tdls in dqa mode
Support TDLS when working in DQA mode.

This is done mainly by NOT doing any special things
for TDLS, as the queues are dynamically created anyway,
so no need to allocate them ahead of time.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:59:55 +03:00
Sara Sharon
e25d65f267 iwlwifi: pcie: don't use vid 0
In cases of hardware or DMA error, the vid read from
a zeroed location will be 0, and we will access the rxb
at index 0 in the global table, while it may be NULL or
owned by hardware.
Invalidate vid 0 in order to detect the situation and
bail out.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:59:28 +03:00
Emmanuel Grumbach
3edbc7daba iwlwifi: mvm: unmap the paging memory before freeing it
This led to a DMA splat.

Fixes: a6c4fb4441 ("iwlwifi: mvm: Add FW paging mechanism for the UMAC on PCI")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:58:33 +03:00
Johannes Berg
5e7d7eb9cc iwlwifi: remove iwl_ht_params.smps_mode
This struct member is never set, so remove it.

Since this is the last thing that needs mac80211.h, also change
the includes to no longer use mac80211.h

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:57:10 +03:00
Emmanuel Grumbach
ad17b1d953 iwlwifi: mvm: fix the channel inhibition table for Channel 14
The value for Channel 14 was wrong. Fix it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:56:32 +03:00
Emmanuel Grumbach
c934bce9de iwlwifi: mvm: fix coex related comments
Those comments were wrong, fix them.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:55:47 +03:00
Golan Ben-Ami
e7c9bd1cc6 iwlwifi: mvm: write the correct internal TXF index
The TX fifos are arranged consecutively in the SMEM, beginning
with the regular fifos, and tailed by the internal fifos.
In the current code, while trying to read the internal fifos,
we read the fifos beginning with the index zero.
By doing this we actually re-read the regular fifos.

In order to read the internal fifos, start the reading index
from the number of regular fifos configured by the fw.

Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Fixes: 39654cb3a6 ("iwlwifi: don't access a nonexistent register upon assert")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:52:44 +03:00
Sara Sharon
d5d0689aef iwlwifi: pcie: fix access to scratch buffer
This fixes a pretty ancient bug that hasn't manifested itself
until now.
The scratchbuf for command queue is allocated only for 32 slots
but is accessed with the queue write pointer - which can be
up to 256.
Since the scratch buf size was 16 and there are up to 256 TFDs
we never passed a page boundary when accessing the scratch buffer,
but when attempting to increase the size of the scratch buffer a
panic was quick to follow when trying to access the address resulted
in a page boundary.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 38c0f334b3 ("iwlwifi: use coherent DMA memory for command header")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:40:33 +03:00
Ido Yariv
54f315cb08 iwlwifi: pcie: Enable MSI mode when using MSI interrupts
On some of the chipsets MSI & INTA interrupts are disabled by default in
the HW registers, and need to be explicitly enabled to be used.

In case MSI-X isn't used, make sure MSI mode is enabled by setting
the relevant HW register.

Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 09:39:16 +03:00
Luca Coelho
da2830acf1 iwlwifi: mvm: read SAR BIOS table from ACPI
Read the SAR BIOS table from the ACPI and parse it into the
iwl_mvm_sar_table structure.  If the table is enabled, send it to the
firmware via REDUCE_TX_POWER_CMD.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:23:36 +03:00
Emmanuel Grumbach
3aa4359fe1 iwlwifi: mvm: cleanup the coex code
We removed support for old API for coexistence, but we
forgot to remove defines and variable that are not needed
anymore.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:19:21 +03:00
Sara Sharon
ecf5142415 iwlwifi: mvm: checksum IPv6 fragmented packet
Our HW does not support checksum of fragmented packets.
Fix code accordingly to checksum those packets in the driver.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Fixes: 5e6a98dc48 ("iwlwifi: mvm: enable TCP/UDP checksum support for 9000 family")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:09:56 +03:00
striebit
849a962729 iwlmvm: mvm: set correct state in smart-fifo configuration
Currently the state sent in SF configuration is always
FULL_ON.
This commit sets the correct state (e.g. INIT_OFF
when station is not associated).

Fixes: commit f4a3ee493e ("iwlwifi: mvm: Always enable the smart FIFO")
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:09:55 +03:00
Emmanuel Grumbach
2aabdbdc17 iwlwifi: pcie: enable interrupts before releasing the NIC's CPU
The NIC's CPU gets started after the firmware has been
written to its memory. The first thing it does is to
send an interrupt to let the driver know that it is
running. In order to get that interrupt, the driver needs
to make sure it is not masked. Of course, the interrupt
needs to be enabled in the driver before the CPU starts to
run.
I mistakenly inversed those two steps leading to races
which prevented the driver from getting the alive interrupt
from the firmware.
Fix that.

Cc: <stable@vger.kernel.org> [4.5+]
Fixes: a6bd005fe9 ("iwlwifi: pcie: fix RF-Kill vs. firmware load race")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:09:54 +03:00
Haim Dreyfuss
e34d975e40 iwlwifi: Add a000 HW family support
Add a000 family configuration to iwl-cfg struct

Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-07-06 02:09:50 +03:00