| Commit message (Collapse) | Author | Age |
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Use the queue->limit value instead of the
qdesc->entry_num to compute the threshold.
The two source values are the same and the
data queue descriptor structure will be
removed by a later patch.
Also separate the computation from the rest
of the init code to make further changes
easier.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The beacon data queue is initialized already,
so fetch the number of the queue entries from
that instead of using the entry_num field of
the data queue descriptor.
The two values are the same, and the use of the
rt2x00dev->bcn->limit value allows us to get rid
of a superfluous pointer dereference.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The qdesc parameter is not used anymore, so remove that.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add a new field into struct data_queue and store
the size of the per-queue_entry private data in
that. Additionally, use the new field in the
rt2x00queue_alloc_entries function to compute
the size of the queue entries for a given queue.
The patch does not change the current behaviour
but makes it possible to remove the queue_desc
parameter of the rt2x00queue_alloc_entries function.
That will be done by a subsequent patch.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The phy error mask registers are programmed already
in ath9k_ani_restart(), so there is no need to set them
in ath9k_ani_reset().
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit, "ath9k_hw: improve ANI processing and rx desensitizing parameters"
removed code setting various phy registers holding threshold values.
This is likely required for OFDM weak signal detection to function
correctly, so add them, but skip AR9462 and AR9565.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit, "ath9k_hw: improve ANI processing and rx desensitizing parameters"
modified the immunity level tables for both CCK and OFDM. Fix them
so that the tables are in sync with the internal driver/codebase.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit "ath9k_hw: improve ANI processing and rx desensitizing parameters"
changed various ANI operational parameters to address a specific
card/environment. This is not really applicable for other cards
in general usage.
As per internal documentation, lowering the immunity level can be
done only after 5 periods have passed and the CCK/OFDM errors are
below the low watermak threshold - which have been fixed at 300 and
400 respectively by the sytems team.
Raising the immunity level can be done when CCK/OFDM errors exceed
600 and 1000 (per second).
Set these values once during attach.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit "ath9k_hw: improve ANI processing and rx desensitizing parameters"
changed the OFDM weak signal detection logic to disable it
for AP mode, which is not allowed. Fix this and enable it always
for AP mode.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/ath/ath9k/Kconfig
net/mac80211/iface.c
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Conflicts:
drivers/net/wireless/ath/ath9k/Kconfig
drivers/net/xen-netback/netback.c
net/batman-adv/bat_iv_ogm.c
net/wireless/nl80211.c
The ath9k Kconfig conflict was a change of a Kconfig option name right
next to the deletion of another option.
The xen-netback conflict was overlapping changes involving the
handling of the notify list in xen_netbk_rx_action().
Batman conflict resolution provided by Antonio Quartulli, basically
keep everything in both conflict hunks.
The nl80211 conflict is a little more involved. In 'net' we added a
dynamic memory allocation to nl80211_dump_wiphy() to fix a race that
Linus reported. Meanwhile in 'net-next' the handlers were converted
to use pre and post doit handlers which use a flag to determine
whether to hold the RTNL mutex around the operation.
However, the dump handlers to not use this logic. Instead they have
to explicitly do the locking. There were apparent bugs in the
conversion of nl80211_dump_wiphy() in that we were not dropping the
RTNL mutex in all the return paths, and it seems we very much should
be doing so. So I fixed that whilst handling the overlapping changes.
To simplify the initial returns, I take the RTNL mutex after we try
to allocate 'tb'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
drivers/net/wireless/ath/ath9k/debug.c
net/mac80211/iface.c
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Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is only really useful for people who are bringing up new hardware
designs and have access to the proprietary vendor tools that interface
with this mode.
It'll live out of tree until it's rewritten to use a less kludgy interface.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This can live on as an out-of-tree patch for those that care.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Support for rt2800 device is broken since my
'rt2x00: rt2x00dev: use rt2x00dev->tx->limit'
patch. The changelog of that commit says that the
TX data queue is initialized already when the
rt2x00lib_probe_hw() function is called.
However as Jakub noticed it, this statement is not
correct. The queue->limit field is initialized in
the rt2x00queue_alloc_entries routine and that is
not yet called when rt2x00lib_probe_hw() runs.
Because the value of tx->limit contains zero, the
driver tries to allocate a kernel fifo with zero
size and kfifo_alloc rejects that with -EINVAL.
PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 3071, rev 021c detected
ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 0008 detected
ieee80211 phy1: rt2x00lib_probe_dev: Error - Failed to initialize hw
rt2800pci: probe of 0000:01:00.0 failed with error -22
Move the data_queue field initialization from
the rt2x00queue_alloc_entries routine into the
rt2x00queue_init function. The initialization
code is not strictly related to the allocation,
and the change ensures that the queue_data fields
can be used in the probe routines.
The patch also introduces a helper function in
order to be able to get the correct data_queue_desc
structure for a given queue. This helper is only
needed temporarily and it will be removed later.
Reported-by: Jakub Kicinski <moorray@wp.pl>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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GCC 4.8 is spitting out uninitialized-variable warnings against
"drivers/net/wireless/rtlwifi/rtl8192de/dm.c".
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:941:31:
error: 'ofdm_index_old[1]' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
This patch adds initialization to the variable and properly sets its value.
Signed-off-by: Yunlian Jiang <yunlian@google.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
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The Thermal Throttling code could do that, fix it.
Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In multicast, there is no retries nor RTS since there is no
specific recipient that can ACK or send CTS. This means
that we must not use the rate scale table for multicast
frames.
This true for any frame that doesn't have a valid
ieee80211_sta pointer.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In unassociated BSS STA mode FW verifies both power save and power
management flags to decide on switching power off. The driver currently
sets power management flag according to mac80211 decision. As result, in
unassociated mode power management flag is down and power consumption is
high. Change power management enablement. When unassociated in BPS and
LP power save modes enable power management regardless of mac80211
decision. Rely on mac80211 decision if associated. Add power management
state update during associated/disassociated modes transitions.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently vif_count verification for power management enablement appear
in different places. Move these verifications to one place in
iwl_mvm_update_power_mode().
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The AP mode needs to use the MCAST fifo for the MCAST
frames sent after the DTIM. This fifo needs to be
configured with the same parameters as the VOICE FIFO.
A separate SCD queue is mapped to this fifo - the cab_queue
(cab stands for Content After Beacon). This queue isn't
connected to any station, but rather to the MAC context.
This queue should (and is already) be set as the MCAST
queue - this is part of the of MAC context command.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since SCAN related handlers are much less likely than
beacon related handlers, reorder between them.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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According to the FW implementation, the quota command should
have a valid entry for each active binding (where 'active' in
this context means that the binding is known to the FW). In case
the binding should not get any quota, the 'quota' should be set
to zero.
Not setting an 0 quota for an active binding when all the MACs
in the binding are idle, i.e., not associated in case of managed
interface, will result in preventing the FW scheduler from entering
IDLE state and the FW from transitioning to low PS.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When CMD_SEND_IN_RFKILL is set, it is perfectly legitimate
to send a host command while RFKILL is asserted. In this
case, the host command sending functions should return 0
even if RFKILL is asserted.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Another step in the rate control / BT Coex integration
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Otherwise WiFi would kill BT.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This holds for existing BA agreements.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There was a typo in the Loose LUT for BT Coex.
Fix that.
Reported-by: Roi Cohen <roi.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For testing the D3 (WoWLAN) firmware, it is useful to be able
to run the firmware with instrumentation while the host isn't
sleeping and can poke at the firmware debug logging etc.
Implement this by a debugfs file. When the file is opened the
D3 firmware is loaded and all regular commands are blocked.
While the file is being read, poll the firmware's PME status
flag and report EOF once it changes to non-zero. When it is
closed, do (most of) the resume processing. This lets a user
just "cat" the file. Pressing Ctrl-C to kill the cat process
will resume the firwmare as though the platform resumed for
non-wireless reason and when the firmware wants to wake up
reading from the file automatically completes.
Unlike in real suspend, only disable interrupts and don't
reset the TX/RX hardware while in the test mode. This is a
workaround for some interrupt problems that happen only when
the PCIe link isn't fully reset (presumably by changing the
PCI config space registers which the core PCI code does.)
Note that while regular operations are blocked from sending
commands to the firmware, they could still be made and cause
strange mac80211 issues. Therefore, while using this testing
feature you need to be careful to not try to disconnect, roam
or similar, and will see warnings for such attempts.
Als note that this requires an upcoming firmware change to
tell the driver the location of the PME status flag in SRAM.
D3 test will fail if the firmware doesn't report the pointer.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check for allocation failures and return -ENOMEM. The caller
already expects it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This has only one caller and rates[] is an array with
IEEE80211_TX_MAX_RATES (4) elements.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The optional debugfs interface to the vendor's engineering tools wasn't
bounds checking at all, which made it trivial to perform a buffer
overflow if this interface was compiled in and then explicitly enabled
at runtime.
This patch checks both the length supplied as part of the data to ensure
it is sane, and also the amount of data compared to the remaining buffer
space. If either is too large, fail immediately.
(This bug was spotted by Dan Carpenter <dan.carpenter@oracle.com>)
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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goto after return is wrong.
The other code in this block needs to set an
error value then goto an error release block.
This one doesn't need to release anything and
was likely a copy/paste remainder.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-By: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move message to debug mode to reduce log spam under heavy tx (iperf) load.
This message prints in ht debug mode only:
brcms_c_ampdu_dotxstatus_complete: Pkt tx suppressed, illegal channel
possibly 153
Signed-off-by: John Greene <jogreene@redhat.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ANI state can be maintained globally instead of per-channel.
This reduces memory usage and since default values are used
during a scan run, per-channel state is not required.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The macros ATH9K_ANI_USE_OFDM_WEAK_SIG can be removed.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The check "enable_ani" is not required since it is always
set to true and the logic for disabling/enabling ANI via
debugfs is done at a higher layer.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The only card with which WoW has been tested and verified is
AR9462. Do not enable it for all cards since WoW is really quirky
and needs to be tested properly with each chip.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Process and update the internal RSSI average, which
is used by ANI, after verifying that the received
frame has valid rate information.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pci_enable_device() will set device power state to D0,
so it's no need to do it again in ipw2100_pci_init_one().
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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This reverts commit e3ee68b7b049c5bbfcb78a179c00c373a38ed58c.
This wasn't intended to be included here, my mistake. I
accidentally merged a mac80211 fixes tree here that had
this change, when it wasn't even intended to be there.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit eebfc9394ee31b3ef162692c0cd483c1318a4395.
This wasn't intended to be included here, my mistake. I
accidentally merged a mac80211 fixes tree here that had
this change, when it wasn't even intended to be there.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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My previous patch just moved the file, but it also needed to be renamed
to conform to proper conventions.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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