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Move wl12xx and wl1251 modules into a new drivers/net/wireless/ti
directory. Add a TI WLAN Kconfig option and Makefile to support this
change.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Cc: John W. Linville <linville@tuxdriver.com>
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Set the dwell times for sched scan according to the number
of probe requests which are going to be transmitted.
This should fix the too short dwell time problem which
prevented some of the probe requests from being transmitted
in cases of high number of SSIDs (10+) to be actively sched scanned.
However, in the common case of having up to 1-2 SSIDs that
require active scan, the dwell time would be kept to a minimum
which should conserve power. This is important as sched scan
also runs periodically while the host is suspended and there's
great importance to keep power consumption as low as possible.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
[fixed a couple of new strict checkpatch warnings]
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wlvif->probereq is zeroed when adding an interface but
the skb pointed to isn't freed when the interface is removed.
This would lead to a mem leak on every recovery.
Fix it by freeing the skb when removing the interface.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The ap keys should be freed only when removing
ap role (otherwise, some arbitrary data might
get freed).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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On the PandaBoard (omap_hsmmc + wl12xx_sdio) with DMA_API_DEBUG:
WARNING: at lib/dma-debug.c:930 check_for_stack.part.8+0x7c/0xe0()
omap_hsmmc omap_hsmmc.4: DMA-API: device driver maps memory fromstack
Signed-off-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The iteration on the wlvif list in wl1271_op_resume/suspend was
perfomed before locking wl->mutex which would lead to a kernel
panic in case a recovery was queued at the same time
and would delete the wlvifs from the list.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx sets the do_join flag (which later starts the
sta role) when the bssid was changed and the sta is
associated. However, this no longer happens after
the "mac80211: remove spurious BSSID change flag"
patch.
Fix it by setting the do_join flag on BSS_CHANGED_ASSOC
(for IBSS, do_join is already set on BSS_CHANGED_IBSS)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Since some of the HT code pre-dates 802.11n-2009
some names are wrong. The one that bothers me most
is that "HT operation" is called "HT information"
in our code and that causes confusion.
Rename "HT information" to "HT operation" and also
the control_chan field to primary_chan to match
the name used in the spec.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Track freed FW blocks during Tx. If no blocks were freed during a
predefined timeout, initiate a HW recovery. This helps in situations
when the FW watchdog fails.
Don't trigger recovery during activities that can temporarily stop
Tx. This includes:
- scanning
- buffering packets for sleeping stations (AP role)
- ROC on any role
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add the packet length to the tx debug print.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add a flag to indicate we initiated a recovery work
on purpose, in order to avoid triggering BUG() (when
the bug_on_recovery module param was set).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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We didn't update the beacon interval on association
(or on a change notification when working as sta),
so the default interval (100ms) was always used.
Update the beacon interval according to the bss_conf
before starting the sta role (on association).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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return EBUSY on scan when there is any role
in ROC (not necessarily the one we are going
to use)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Currently, CHANGE_CHANNEL indication while
associated is considered as roaming attempt.
However, with the new auth/assoc redesign,
we no longer have to handle this case,
so remove it.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In some cases, the wrong vif type was set in the
change_interface callback (P2P_CLIENT/P2P_GO instead
of STA/AP)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx currently looks for AP authorization by registering
a netdev notifier and waiting for the IF_OPER_UP notification,
which is quite cumbersome.
Use the newly introduced sta_state callback (waiting
for assoc -> auth notification) instead, in order to
simplify it.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Implement sta_state callback instead of the
sta_add/remove callbacks.
Update the fw regarding peer state and ht caps
only after the station was authorized. Otherwise,
the fw might try establishing BA session before
the sta is authorized.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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On disassociation, check only whether the current vif
is idle, instead of checking whether the device is idle.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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device role is used for scanning and sending packets
before connection. however, since we don't need to
send packets before ibss creation, there is no need
to start the device on idle-off.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This ensures the user won't encounter lag associated with getting in and
out of PSM when the card is in use.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Flush our Tx queues before suspending or changing the channel due to a
channel_switch element in the AP beacon.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Before, the link was first freed (invalidating it in the map), and later
on vif removal, all valid wlvif-related links were reset. Since these
links were already invalid, we failed to reset them.
The bug was made worse by op_stop, which set the tx_queue_count to 0
arbitrarily. This resulted in a negative tx_queue_count in some scenarios.
Fix this by resetting the Tx-queues of a link when freeing it. Add a
WARN_ON and reset all link Tx-queues in op_stop, to avoid a negative
tx_queue_count.
[changed WARN_ON to WARN_ON_ONCE -- Luca]
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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"ret" has already been checked at this point, and we don't need to check
it again. This was left around from a previous patch 49d750ca14
"wl12xx: 1281/1283 support - New radio structs and functions".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Delete the global wl->vif (and the checks on it),
so multiple vifs could be added.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Enter forced psm when changing fw, in order to make the
sta a bit more disconnection-persistent.
(DPM doesn't know about the incoming recovery, so it
won't enter psm by itself)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx uses different fw for single-role and multi-role
scenarios (due to lack of space, some of the fw advanced
features are disabled in the multi-role fw).
Add checks on add_interfae and remove_interface in order
to determine whether a fw switch is needed (and initiate
recovery in this case).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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A special PLT firmware is used for calibration.
Add multiple fw support by introducing a new fw_type member,
representing the currently saved fw (the actual fw state
can be determined by wl->state).
Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Split scan allows the FW to schedule other activities
during a scan which may be a long operation. This is
achieved by setting a trigger TID to ANY_TID and a scan
trigger timeout other than 0. The default one is set to 50ms.
Signed-off-by: Eyal Shapira <eyal@wizey.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Increase max scan IEs to allow big probe-req frames
Report a correct max-length for the scan IEs we can support, according
to the now larger size of the probe-req template.
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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By allowing hw scan while idle, we no longer
need the redundant ROC/CROC that are done
on idle off/on, which helps simplifying the
state machine of the driver.
This way, we can also allow scanning while
there is an ongoing sched scan (otherwise,
we won't be able to ROC on idle-off)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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We have to configure arp filtering only after the role was
started, so move the BSS_CHANGED_ARP_FILTER handling after
the join.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This reverts commit e5e2f24b3eec67a7a35d43654a997f98ca21aff2.
The encryption consideration on auto-arp configuration,
along with a fw fix, seem to resolve the crashes that
occured when auto-arp was enabled, so we can re-enable it now.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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When configuring the arp response template,
and encryption is enabled, we should add some
space and set the protected flag bit in the fc.
In order to track the encryption type, set
wlvif->encryption_type when setting an encryption key,
and reconfigure the arp response. Clear this field on
wl1271_join, as keys have to be re-configured
anyway after a join command.
Similarly, track whether QoS is configured.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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For certain WiFi certification tests forcing PS
is necessary. Since DPS is now enabled in the FW
and this can't be achieved by using netlatency
this required a new config option.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Added ability to set different wake up conditions for suspend/resume.
Set default values to wake up every 3 DTIMs while suspended
and every 1 DTIM while resumed
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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new params were added to the coex params.
Add them with default value of 0.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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New FW reports usage of short GI as a rate class index. Check for
this rate and set the IEEE80211_TX_RC_SHORT_GI if used.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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WLVIF_FLAG_PSM turned to WLVIF_FLAG_IN_AUTO_PS which
marks that this vif is in AUTO PS.
WLVIF_FLAG_PSM_REQUESTED is not required as mac80211
calls op_config with CONF_PS after association.
wl12xx_config_vif() handling of CONF_PS was simplified
and cleaned up.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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cleanup 2 unused parameters of wl1271_ps_set_mode
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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FW now supports dynamic PS so we don't need to use mac80211 support.
FW will go to PSM after a specified timeout with no Rx/Tx traffic.
- Changed FW API to include new PS mode (AUTO_MODE) and including timeout parameter
- The default PS mode would be dynamic PS
- Default timeout is 100ms (same as it used to be in mac80211)
- Avoid using mac80211 APIs to disable/enable dynamic PS as we're not
using mac80211 PS control anymore.
- COEX is handled by the FW while in dynamic PS so removed
handling of SOFT_GEMINI
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Removal of PS management code from the driver as PS
is handled by the FW (dynamic PS)
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Update enums/structs to the new fw api.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The ACX_TSF_INFO command now takes role_id as param.
change the struct accordingly, and pass the wlvif
to the wl1271_acx_tsf_info() function.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Use device role for scans when the sta is not
associated.
sched_scan is used only when the sta is
not associated, and thus should use
the dev role (instead of sta role).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The set_template commands now takes the role_id as
parameter.
Usually, we'll use the vif's main role_id.
However, sometimes we'll want to use
wlvif->dev_role_id instead of wlvif->role_id,
so pass the wanted role_id as param.
Update WL127X_FW_NAME/WL128X_FW_NAME.
(This commit starts a series of fw update patches,
and changes the start() callback to return an error
in order to prevent the use of the driver during the
transition. This change will be reverted in the
last patch of series)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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with the new auth/assoc redesign, we get CHANGED_BSSID
indication before CHANGED_ASSOC indication, while our
CHANGED_BSSID handling block assumes we are already
associated.
Fix it by checking we are either in ibss mode, or
already associated.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Fix a copy and paste bug in the MODULE_PARAM_DESC for fwlog.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add support for two MAC addresses. If the NVS has a valid MAC
address, that takes precedence and we use two sequential address
starting from the one specified.
If the NVS doesn't contain a valid MAC address (ie. if it is set to
00:00:00:00:00:00), we check if the HW PG version in use has the
BD_ADDR written in the fuse ROM. If it does, we read it and derive
the two subsequent addresses for WLAN.
During production, 3 addresses are reserved per device. The first for
Bluetooth (burnt in the fuse ROM) and the following two for WLAN.
This patch has some code by Igal and Arik (squashed from internal
patches).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In order to read the MAC addresses from the fuse ROM, we need to know
the chip ID and the HW PG version. We need to know the MAC address
during probe, because that's when we register our HW with mac80211.
To prepare for that, this patch reads the chip ID and HW PG version
during probe instead of doing it at boot time. We power the chip on
briefly in order to do that.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In some cases a race condition can happen if we don't cancel any
pending ELP work before stopping PLT. With this commit we cancel ELP
work and clear the wl->flags bitmask. Also clean up the wl elements
after powering off.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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