The ATH9K_HW_CAP_AUTOSLEEP check is bogus, the rx status area needs to be
cleared on all non-EDMA PCI/AHB based chipsets anyway.
Limit the memset to the rx status area to improve performance.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
By checking for NR_CPUS, the compiler can optimize out register access
serialization code on non-SMP kernels
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The default antenna (as programmed by the INI file) is always 0 anyway.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Automatically set the ah->htc_reset_init on init and after PHY disable.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
TXQ_FLAG_TXOKINT_ENABLE and TXQ_FLAG_TXERRINT_ENABLE are always set and
used together, and they share the same bitmask in enum ath9k_tx_queue_flags.
Simplify the code that tests for these flags.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
mac80211 provides short preamble information and ERP protection
information on a per-BSS basis, which can be used. Remove flags
stored in the driver, which was incorrect since they were being used
in a global manner.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
SC_OP_TXAGGR and SC_OP_RXAGGR are not really needed.
The HT capabilities of the station and HW can be used instead.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The logic to determine whether to use FCC is a bit convoluted.
Use a small helper function to decide whether FCC is to be
used.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It is not needed and will not be used anyway since
unsupported interfaces are not allowed to be created.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There is no need to mask out SWBA/BMISS from the
interrupt mask in start().
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Commit 7504a3e1 ("ath6kl: add padding to firmware log records") accidentally
changed debug.c mode from 100644 to 100755. Revert that back to original.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
ath6kl/cfg80211.c:589: WARNING: max() should probably be
max_t(u16, vif->listen_intvl_t, ATH6KL_MAX_WOW_LISTEN_INTL)
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
My patch 24fc32b3 ("ath6kl: add ath6kl_bmi_write_hi32()") caused a regression
in ath6kl_upload_board_file() and the board_address variable was not
properly initialised in some cases:
ath6kl/init.c:1068:6: warning: ‘board_address’ may be used uninitialized
in this function
Most likely this broke ar6004 support but I can't test that right now.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go
to full sleep if no tx is pending.
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
mactime was being overwritten by the function ath9k_rx_skb_preprocess. Fixed by
memsetting rx_status in ath_rx_tasklet.
Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The proper place to configure bss info is at assoc notification. So that
ath9k continues to work if the supirous bssid notification will be
removed in future.
Cc: Johannes Berg <johannes@sipsolutions.net>
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
tested in AR9462 Rev:2, both hardware capability flag are set
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
On systems with multiple NICs, it's nice to know which
one is producing warnings. Here is an example of the
new ouput:
ath: wiphy0: Failed to stop TX DMA, queues=0x005!
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Portion of the commit id 080eec4fb4 ("ath6kl: Clear the IE in firmware
if not set") was overwritten by mistake due to a merge
conflict. This patch fixes the code back to how it should be.
kvalo: more details to the commit log
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
On A-MPDU frames, the hardware only reports valid signal strength data for
the last subframe. The driver also mangled rx_stats->rs_rssi using the
ATH_EP_RND macro in a way that may make sense for ANI, but definitely
not for reporting to mac80211.
This patch changes the code to calculate the signal strength from the rssi
directly instead of taking the average value, and flag everything but
the last subframe in an A-MPDU to tell mac80211 to ignore the signal strength
entirely, fixing signal strength fluctuation issues reported by various
users.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Process rx status directly instead of separating the completion test from
the actual rx status processing.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The way this is implemented (simply storing the last value) is absolutely
worthless for debugging anything, and the same information is also available
through the MAC sample feature, so there's no point in keeping this around.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
They're more expensive than some of the other debug options and only used
in very rare situations, so it sometimes makes sense to disable them while
leaving in debugfs support.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cold reset is more reliable for getting the hardware out of some specific
stuck states.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Found by checkpatch:
drivers/net/wireless/ath/ath6kl/init.c:78: WARNING: line over 80 characters
drivers/net/wireless/ath/ath6kl/init.c:397: WARNING: line over 80 characters
drivers/net/wireless/ath/ath6kl/init.c:407: WARNING: line over 80 characters
drivers/net/wireless/ath/ath6kl/htc.c:189: WARNING: line over 80 characters
drivers/net/wireless/ath/ath6kl/htc.c:704: WARNING: line over 80 characters
drivers/net/wireless/ath/ath6kl/htc.c:2452: WARNING: line over 80 characters
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Also fixes quite a few checkpatch warnings like this:
ath6kl/hif.h:226: CHECK: spinlock_t definition without comment
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The error handling in ath6kl_target_config_wlan_params() was just weird,
fix that. This also fixes some of the open parenthesis alignment issues
reported by checkpatch.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There are few 32 bit reads from the host interest area. Add
ath6kl_bmi_read_hi32() to make it easier to do that. As code is cleaner
this also fixes few checkpatch warnings.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
We have a lot of 32 bit writes to the host interest area and the code
doing that is ugly. Clean that up by adding ath6kl_bmi_write_hi32().
This also fixes few checkpatch warnings.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Found by checkpatch:
drivers/net/wireless/ath/ath6kl/cfg80211.c:1295: CHECK: multiple assignments should be avoided
drivers/net/wireless/ath/ath6kl/cfg80211.c:3000: CHECK: multiple assignments should be avoided
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
All found by checkpatch:
ath6kl/wmi.c:1036: CHECK: Logical continuations should be on the previous line
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Fix the issues which checkpatch found and were easy to fix. Especially
callers of ath6kl_bmi_write() are tricky and that needs to be fixed
separately.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
reported by checkpatch:
ath6kl/core.h:748: ERROR: "foo * bar" should be "foo *bar"
ath6kl/core.h:751: ERROR: "foo * bar" should be "foo *bar"
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* In order to save the target power in WOW suspend state,
configure the best optimal values for the below parameters,
- listen interval.
- beacon miss interval.
- scan parameters.
Default values for above attributes are reverted in
wow resume operation.
* The default listen interval is set before the host issue
connect request.
* New function is added to configure beacon miss count.
kvalo: minor changes to fix open parenthesis alignment
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Firmware has the option to support the listen interval
per vif specific. Fix this.
Listen interval can be set by the TUs or by the number
of beacons. Current code enables the user to configure
the listen interval in the unit of 'number of beacons'
using debugfs entry "listen_interval". Going forward,
we need to alter the listen interval in the unit of TUs
to get good power numbers while going to WOW suspend/resume.
Allowing the user to change the listen interval in
the unit of "number of beacons" in debugfs and changing
listen interval in wow suspend/resume in the unit of
time (TUs) would lead us to confuse.
This patch make sures the listen interval is changed only
in the unit of time (TUs).
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Below two scenarios are taken care in this patch which helped
to fix the firmware crash during wow suspend/resume.
* TX operation (ctrl tx and data tx) has to be controlled based
on suspend state. i.e, with respect to WOW mode, control packets
are allowed to send from the host until the suspend state goes
ATH6KL_STATE_WOW and the data packets are allowed until WOW
suspend operation starts.
* Similarly, wow resume is NOT allowed if WOW suspend is in progress.
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It gives flexibility to the user to define suspend policy
when the suspend mode is set to WOW and the device is in
disconnected state at the time of suspend.
New module parameter wow_mode is added to get the choice
from the user. This parameter is valid only if the module
parameter suspend_mode is set to WOW.
To force WOW in connected state and cut power
in disconnected state:
suspend_mode=0x3 wow_mode=0x1
To force WOW in connected state and deep sleep
in disconnected state (this is also the default wow_mode):
suspend_mode=0x3 wow_mode=0x2
If there is no value specified to wow_mode during insmod,
deep sleep mode will be tried in the disconnected state.
kvalo: clarified commit log
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
All other Atheros drivers run the AGC gain calibration and DC offset
calibration only after reset. Running them periodically has caused stability
issues on some (primarily AR2315/2413/5413/5414 based) devices, leading to
messages such as:
ath5k phy0: gain calibration timeout (2462MHz)
ath5k phy0: calibration of channel 11 failed
Related bug reports:
https://dev.openwrt.org/ticket/10574https://bugzilla.redhat.com/show_bug.cgi?id=795141
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Some calibration types interfere with tx activity, but the queue stop does
not prevent that. In fact, some calibration types need tx activity to properly
function, so stopping the queues for them is counterproductive.
In some tests this patch has been shown to improve stability, especially in
AP or ad-hoc mode.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch allows the possibility of having the mesh point and AP to be operated
simultaneously in one single radio. Previously, mesh point fails to generate the
mesh beacon if virtual AP is created for the same radio.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add the signal strength (in dBm only for now) to
frames that are received via nl80211's various
frame APIs.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
this does the same thing as the previous code
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
its better to zero initialize the 'valid_phy_rate_idx' array completely
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Not doing so could cause the tx status queue to overflow during longer
periods of time without non-beacon tx. These events are also required
for proper drv_tx_last_beacon handling.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Since AR9003 uses a global tx status queue, processing tx status outside of
the regular tx tasklet is dangerous and messes up hardware/software
synchronization of tx status events.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The approach of this change is flawed, as it triggers tx status processing
from more callsites, yet the chips only have one global tx status queue.
Subsequent patches will properly fix the issue that this one tried to address.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
No need to copy received local buffer content to bounce buffer
(DMA buffer) while performing sync READ operation from the chip.
It's applicable for only WRITE operation.
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Conflicts:
drivers/net/ethernet/broadcom/tg3.c
Conflicts in the statistics regression bug fix from 'net',
but happily Matt Carlson originally posted the fix against
'net-next' so I used that to resolve this.
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit "ath6kl: Use a mutex_lock to avoid
race in diabling and handling irq" introduces a
state where ath6kl_sdio_irq_handler() would be waiting
to claim the sdio function for receive indefinitely
when things happen in the following order.
ath6kl_sdio_irq_handler()
- aquires mtx_irq
- sdio_release_host()
ath6kl_sdio_irq_disable()
- sdio_claim_host()
- sleep on mtx_irq
ath6kl_hif_intr_bh_handler()
- (indefinitely) wait for the sdio
function to be released to exclusively claim
it again for receive operation.
Fix this by replacing the mtx_irq with an atomic
variable and a wait_queue.
kvalo: add ath6kl_sdio_is_on_irq() due to open parenthesis alignment
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Collect residue firmware logs following firmware assert.
Firmware sends logs to host once the 1500 byte log buffer
has been filled. At time of assert, there could be residue
logs lying in the firmware. This patch pulls those residue
logs. This would give the full picture of the firmware.
Signed-off-by: Etay Luz <eluz@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
firmware debug utility expects firmware log record size
to be 1500 bytes. This patch ensures that the
firmware record will be exactly 1500 bytes.
kvalo: remove trailing space
Signed-off-by: Etay Luz <eluz@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The ath6kl FW does not distinguish between different types of hidden
SSIDs (empty or null), so treat all cfg80211 requests for hidden ssid
the same.
Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Remove check so that IE in firmware is cleared if not set. Without this fix, any
previously set IE will be used incorrectly in the next frame. For example,
consider the scenario where a P2P device scan is followed by a regular station
scan. The P2P IE set by the P2P scan needs to be cleared, otherwise the station
scan will contain the P2P IE.
kvalo: indentation fixes
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
As regulatory events are processed even before the wiphy is registered,
calling regulatory_hint() at early stage should be fixed.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This makes the wiphy and initial netdev registration the last step
in dev initialization. Apart from the fact that this looks right,
it can also be used to setup wiphy with the regulatory information
received from firmware after uploading the firmware. Also it fixes
a FIXME in ath6kl_core_init() where mac address is copied into
netdev->dev_addr, ath6kl_interface_add() takes care of this as well.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When the wmi event is vif specific, the validation of vif index
is taken care in ath6kl_wmi_proc_events_iface(). This also avoids
the need for a netdev to be registered while receiving initial events
like "target_ready" and "regulatory domain".
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Split the wmi event processing into the one which needs to be
vif specific and the reset. This is a step towards avoiding
the need for wiphy and a netdev registration before getting
any message from firmware.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Move netdev->hw_features setting from ath6kl_core_init() to
init_netdev() so that it is done for every interface.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There are some code which initializes various wiphy members
left outside ath6kl_cfg80211_init(), in ath6kl_core_init().
Move them into a single palce.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
That commit intended for 3.4 renamed IEEE80211_TX_CTL_POLL_RESPONSE as
IEEE80211_TX_CTL_NO_PS_BUFFER. Meanwhile, "carl9170: fix frame delivery
if sta is in powersave mode" added a reference to
IEEE80211_TX_CTL_POLL_RESPONSE in the fixes stream for 3.3. This simple
patch fixes that merge boo-boo.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Previous RX error checking was done exclusive-or for different error
types and caused DFS pulse events to be dropped when other error
flags (e.g. CRC) were set simultaneously.
This patch decouples PHY error processing from other types and ensures
that all pulses detected by HW are accounted by the pattern detector.
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nicolas Cavallari discovered that carl9170 has some
serious problems delivering data to sleeping stations.
It turns out that the driver was not honoring two
important flags (IEEE80211_TX_CTL_POLL_RESPONSE and
IEEE80211_TX_CTL_CLEAR_PS_FILT) which are set on
frames that should be sent although the receiving
station is still in powersave mode.
Cc: stable <stable@vger.kernel.org>
Reported-by: Nicolas Cavallari <Nicolas.Cavallari@lri.fr>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
On Access Point mode, when transmitting a packet, if the destination
station is in powersave mode, we abort transmitting the packet to the
device queue, but we do not reclaim the allocated memory. Given enough
packets, we can go in a state where there is no packet on the device
queue, but we think the device has no memory left, so no packet gets
transmitted, connections breaks and the AP stops working.
This undo the allocation done in the TX path when the station is in
power-save mode.
Signed-off-by: Nicolas Cavallari <cavallar@lri.fr>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Register driver's ht capabilities in wiphy to avoid failures
in setting ht channels from hostapd.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Without this change, SDIO shuts down due to CRC error during
data communication to the firmware in some of the platform.
for example, scan request issued to the firmware doesn't
return scan completed events and cause the socket interface
to always return -16 (device busy).
SDIO pad drive strength should be reduced for hw2.1.1 board
to avoid such errors.
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This makes the device get into scan state as soon as a
scan request is received, instead of blocking the scan
request till the traffic comes down. It is necessary
for the deterministic foreground scan particularly when
having multiple vif operating where, if the scan is non-
deterministic, scan on one interface will not start
as long as there are traffic on the other interface. This
change passes 50 msec as foreground scan interval to fix this.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
htc_packet and htc_packet->buf_start are separately allocated
for endpoint 0. This is different for other endpoints where
packets are allocated as skb where htc_packet is skb->head
and they are freed properly. Free htc_packet and htc_packet->buf_start
separatly for endpoint 0.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Rx buffers should be allocated for control and best effort endpoints only
after the enpoints connection is esablished. But this is done before the
endpoint connection is complete, we don't even the control and BE endpoints
that time. Move the buffer allocation after endpoint connection is over,
after ath6kl_init_hw_start(). Found in review, never seen any real issue
with this.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Cleanup whitespace, fix indentation and coding style.
Also remove debug messages that were flooding the log.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch fixes indentation and the general coding style
in ar9003_mci.c. Also, minimize the amount of debug log
output generated by MCI.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
They are not needed since MCI will be enabled only for
AR9462 v2.0
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Use a separate function to enable/disable
OneStepLookAhead.
* Remove unnecessary hardware SREV checks.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ATH9K_BTCOEX_SUPPORT is now used by both ath9k and ath9k_htc
to enable BT coexistence. Fix Kbuild to allow this.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
With the ability to remove BTCOEX support at compile time,
these checks are no longer needed.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Since BTCOEX code can be compiled out cleanly now,
remove these checks.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k_htc can also make use of CONFIG_ATH9K_BTCOEX_SUPPORT
to be compiled without BTCOEX support.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Make use of CONFIG_ATH9K_BTCOEX_SUPPORT in ath9k_hw
to provide a clean way of compilation without BTCOEX
support.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch converts a few functions to static variants
and removes extraneous declarations.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch moves all the MCI-specific declarations that have been
dumped unceremoniously in hw.h to ar9003_mci.h
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch moves all the MCI-specific code in the main reset
function to helper functions.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Setting up the required scheme can be done as part of the
BTCOEX initialization path and it doesn't belong in
ath9k_hw_fill_cap_info() anyway.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch uses CONFIG_ATH9K_BTCOEX_SUPPORT to conditionally
compile btcoex-related code in the driver core.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
v1.0 chips are not available in the market.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Change the descriptor length to 24 and explicitly
set the control field 23 to zero. Not doing so would
result in dropping of frames.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The LONG_SHIFT_SELECT offset is different for AR9462 from
the other chip families. Fix this.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Using AR_SREV_* macros for setting up the chip-specific NF
values will make adding support for new chips hard. Use separate
macros for each chip. Currently, AR9462 has the same value for
all NF limits.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Validate the phyerr value against the max. size of the
statistics array properly.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Dumping the RSSI information in the middle of error
statistics is a bit misleading. Move them to the end.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch merges the 'wiphy' and 'misc' debugfs files
and consolidates the information.
Information about the current channel and other HT parameters
can be obtained from both mac80211 and iw. Remove such
redundant data.
The reset statistics have been removed, they will be re-added in
a subsequent patch (in a new debugfs file).
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Comparing SHA1 checksums of the initval tables has shown that there are many
tables that are 100% identical.
iniBank{0,1,2,3,7} and iniBB_RfGain are shared by AR5416, AR913x, AR9160
iniBank6 is shared between AR5416 and AR9160
iniBank6TPC is shared between AR913x and AR9160
iniPcieSerdes is the same for all AR9002 based devices
The CCK FIR coefficients are shared between AR9271 and AR9287
Getting rid of those duplicates saves about 7.5k uncompressed (on MIPS).
For AR9003 and later there are some duplicates as well, but I've decided to
leave them in for now, as the initvals for those chips are still actively
maintained by QCA.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In ath6kl_cfg80211_add_key(), params is checked for non-NULL
but this pointer has been deferenced many times before this check. This
gives the following smatch warning. add_key() can never carry NULL as
params, remove this bogus check.
ath6kl_cfg80211_add_key(86) warn: variable dereferenced before check 'params'
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This fixes smatch warning "inconsistent returns sem:&ar->sem".
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Tx packets will begin to drop when there are multiple traffic priorities
and the current traffic is not the highest priority and the remaining
cookies drop below a certain number, which is fixed for all AC. It is
possilbe that lower priority AC have more traffic which will consume
more cookies and lock out higher priority AC from having any. Assign
each endpoint (AC) with a different Tx-packet-drop threshold so lower
priority AC is more likely to drop packets and the cookies become more
available to higher priority AC.
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
PS buffering of unicast Action frames that are sent in a context
of a BSS. In AP mode when the recepient station goes to powersave
and PS_POLL flag is not set, we would buffer the frames. Send out
unicast mgmt bufferred frame when PS_POLL is received.
This fixes a bug in P2P GO behavior when sending a GO Discoverability
Request to a client that is in sleep mode.
kvalo: indentation fixes
Signed-off-by: Thirumalai Pachamuthu <tpachamu@qca.qualcomm.com>
Signed-off-by: Naveen Gangadharan <ngangadh@qca.qualcomm.com>
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
ath_set_channel is called from ath9k_config which already has proper
PS wrappers
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
the corresponding code/logic was removed in
"ath9k: rework power state handling"
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
By swithing from our __raw_read and __raw_write functions to ioread32 and iowrite32,
benchmarks on my desk with iperf went from 11MBps to 18.1MBps using the AHB bus
on an EnGenius ECB3500 running OpenWRT.
Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The AP/GO mode API isn't very clearly defined, it
has "set beacon" and "new beacon" etc.
Modify the API to the following:
* start AP -- all settings
* change beacon -- new beacon data
* stop AP -- stop AP mode operation
This also reflects in the nl80211 API, rename
the commands there correspondingly (but keep
the old names for compatibility.)
Overall, this makes it much clearer what's going
on in the API.
Kalle developed the ath6kl changes, I created
the rest of the patch.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Duplicate the data for iniAddac early on, to avoid having to do redundant
memcpy calls later. While we're at it, make AR5416 < v2.2 use the same
codepath. Fixes a reported crash on x86.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Magnus Määttä <magnus.maatta@logica.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Rate control algorithms are supposed to stop processing when they
encounter a rate with the index -1. Checking for rate->count not being
zero is not enough.
Allowing a rate with negative index leads to memory corruption in
ath_debug_stat_rc().
One consequence of the bug is discussed at
https://bugzilla.redhat.com/show_bug.cgi?id=768639
Signed-off-by: Pavel Roskin <proski@gnu.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Booleans should not be compared to true or false
but be directly tested or tested with !.
Done via cocci script:
@@
bool t;
@@
- t == true
+ t
@@
bool t;
@@
- t != true
+ !t
@@
bool t;
@@
- t == false
+ !t
@@
bool t;
@@
- t != false
+ t
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The firmware crash dump printout was wrong as it was using incorrect
offsets.
kvalo: improve commit log, change the "%d:" to print word indexes, not bytes
Signed-off-by: Naveen Gangadharan <ngangadh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
AR6003 2.1.1 supports both 1792 and 2048 byte board files.
Add support for 2048 byte board file.
kvalo: add ath6kl prefix to the title
Signed-off-by: Prasanna Kumar <kumarpra@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Tx bundling is the more efficient use of SDIO bus and allows more packet
transfers with fewer bus transactions, and is a way to improve overall
throughput. However, Tx bundling has only 4 scatter request resources available.
When there are multiple traffic streams of different priorities, it's possible
that lower priority traffic may hog all the scatter requests and lock out the
higher prioirty traffic from bundling.
Tx bundling is now enabled per AC. When an AC do a scatter request and
the remaining scatter request resources is lower than a configurable
threshold, it will disable Tx bundling for all AC's of lower priorities.
When an AC has Tx bundling disabled and has no Tx bundles sent in a
consecutive and configurable number of packets, Tx bundling will be re-enabled
for that AC.
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Update license header with the copyright to Qualcomm Atheros, Inc.
for the year 2011-2012.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When debugging firmware issues it's not always enough to get
the latest firmware logs, sometimes we need to get logs from a longer
period. To make this possible, add a debugfs file named fwlog_block. When
reading from this file ath6kl will send firmware logs whenever available
and otherwise it will block and wait for new logs.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Currently firmware logs are stored in a circular buffer, but this was
not very flexible and fragile. It's a lot easier to store logs to struct
skbuffs and store them in a skb queue. Also this makes it possible
to easily increase the buffer size, even dynamically if we so want (but
that's not yet supported).
From user space point of view nothing should change.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
If the firmware was over 2G, it would cause memory corruption and the
system would die here. Obviously we all know the firmware isn't going
to be that large but static checkers get upset.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
commit adb5066 "ath9k_hw: do not apply the 2.4 ghz ack timeout
workaround to cts" reduced the hardware CTS timeout to the normal
values specified by the standard, but it turns out while it doesn't
need the same extra time that it needs for the ACK timeout, it
does need more than the value specified in the standard, but only
for 2.4 GHz.
This patch brings the CTS timeout value in sync with the initialization
values, while still allowing adjustment for bigger distances.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Reported-by: Seth Forshee <seth.forshee@canonical.com>
Reported-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
commit b4a82a0 "ath9k_hw: fix interpretation of the rx KeyMiss flag"
fixed the interpretation of the KeyMiss flag for keycache based lookups,
however WEP encryption uses a static index, so KeyMiss is always asserted
for it, even though frames are decrypted properly.
Fix this by clearing the ATH9K_RXERR_KEYMISS flag if no keycache based
lookup was performed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Reported-by: Laurent Bonnans <bonnans.l@gmail.com>
Reported-by: Jurica Vukadin <u.ra604@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
all works need to be initialized before ieee80211_register_hw
to prevent mac80211 call backs such as drv_start, drv_config
getting started. otherwise we would queue/cancel works before
initializing them and it leads to kernel panic.
this issue can be recreated with the following script
in Chrome laptops with AR928X cards, with background scan
running (or) Network manager is running
while true
do
sudo modprobe -v ath9k
sleep 3
sudo modprobe -r ath9k
sleep 3
done
EIP: [<81040a47>] __cancel_work_timer+0xb8/0xe1 SS:ESP 0068:f6be9d70
---[ end trace 4f86d6139a9900ef ]---
Registered led device: ath9k-phy0
ieee80211 phy0: Atheros AR9280 Rev:2 mem=0xf88a0000,
irq=16
Kernel panic - not syncing: Fatal exception
Pid: 456, comm: wpa_supplicant Tainted: G D
3.0.13 #1
Call Trace:
[<81379e21>] panic+0x53/0x14a
[<81004a30>] oops_end+0x73/0x81
[<81004b53>] die+0x4c/0x55
[<81002710>] do_trap+0x7c/0x83
[<81002855>] ? do_bounds+0x58/0x58
[<810028cc>] do_invalid_op+0x77/0x81
[<81040a47>] ? __cancel_work_timer+0xb8/0xe1
[<810489ec>] ? sched_clock_cpu+0x81/0x11f
[<8103f809>] ? wait_on_work+0xe2/0xf7
[<8137f807>] error_code+0x67/0x6c
[<810300d8>] ? wait_consider_task+0x4ba/0x84c
[<81040a47>] ? __cancel_work_timer+0xb8/0xe1
[<810380c9>] ? try_to_del_timer_sync+0x5f/0x67
[<81040a91>] cancel_work_sync+0xf/0x11
[<f88d7b7c>] ath_set_channel+0x62/0x25c [ath9k]
[<f88d67d1>] ? ath9k_tx_last_beacon+0x26a/0x85c [ath9k]
[<f88d8899>] ath_radio_disable+0x3f1/0x68e [ath9k]
[<f90d0edb>] ieee80211_hw_config+0x111/0x116 [mac80211]
[<f90dd95c>] __ieee80211_recalc_idle+0x919/0xa37 [mac80211]
[<f90dda76>] __ieee80211_recalc_idle+0xa33/0xa37 [mac80211]
[<812dbed8>] __dev_open+0x82/0xab
Cc: <stable@vger.kernel.org>
Cc: Gary Morain <gmorain@google.com>
Cc: Paul Stewart <pstew@google.com>
Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Tested-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The nominal_phy field is uninitialized. Initialize it to min_phy_rate for
create_qos.
kvalo: simplified the equation as checkpatch complained for a too long line
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
