Commit Graph

29128 Commits

Author SHA1 Message Date
Kalle Valo
052633c1ec Merge tag 'iwlwifi-next-for-kalle-2015-08-04' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* Deprecate -10.ucode
* Clean ups towards multiple Rx queues
* Add support for longer CMD IDs. This will be required by new
	firmwares since we are getting close to the u8 limit.
* bugfixes for the D0i3 power state
* Add basic support for FTM
* More random that doesn't really stand out
2015-08-06 10:27:59 +03:00
Guy Mishol
5d7e73ba2f wlcore: add antenna diversity reading comments
add comments to the antenna diversity reading

Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:20:02 +03:00
Amitkumar Karwar
6c63173211 mwifiex: add missing skb_push() in mwifiex_check_uap_capabilties
For PCIe/USB chipsets, preallocated skb buffers are reused for
event handling. mwifiex_check_uap_capabilties() performs
skb_pull(). This patch adds missing skb_push() to restore skb's
data pointer/length.

This bug was introduced by commit debfc60081 ("mwifiex: update
AP WMM settings from BSS_START event")

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:19:23 +03:00
Guy Mishol
d1c5409612 wl18xx: add dynamic fw traces
add option to dynamically configure the fw
which debug traces to open

Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:18:14 +03:00
Amitkumar Karwar
2728cecdc7 mwifiex: corrections in PCIe event skb handling
Preallocated event SKBs are getting reused for PCIe chipset.
Their physical addresses are shared with firmware so that
firmware can write data into them.

This patch makes sure that SKB is cleared and length is set to
default while submitting it to firmware.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:14:00 +03:00
Zhaoyang Liu
d788ac2979 mwifiex: fix system crash observed during initialisation
System crash was observed if one of the driver initialisation
commands is timed out. The reason is our timeout handler triggers
firmware dump, meanwhile driver initialisation error paths have
already freed the adapter structure.

Firmware hasn't yet completely initialized. So collecting firmware
dump is not needed in this case. Command timeout handler is
modified in this patch to fix the crash issue.

Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:13:56 +03:00
Zhaoyang Liu
398750992e mwifiex: fix command timeout for PCIe chipsets
When WLAN interface is up and running, driver unload and
load was causing command timeout error.

We enable Rx data by updating RX ring read pointer in
init_fw_port(). It should be done when FW is completely
intialialised. Command timeout is fixed in this patch by
moving init_fw_port() call to mwifiex_init_fw_complete().

Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:13:50 +03:00
Xinming Hu
3afafd6dcc mwifiex: using right aid value for tdls action frame
Variable pos is u8 here, so memcpy is needed to store u16 aid.
At the same time, aid should be platform independent, upper layer
utility(wpa_supplicant,etc.,) parse it as le16, so keep it le16
here.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:13:46 +03:00
Felix Fietkau
d70d848a75 ath9k: remove the sched field in struct ath_atx_tid
Use list_empty(&tid->list) instead

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:12:29 +03:00
Felix Fietkau
592fa228f2 ath9k: remove struct ath_atx_ac
struct ath_atx_ac contains a list of active TIDs belonging to one WMM AC.
This patch changes the code to track active station TIDs in the txq directly.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:12:26 +03:00
Felix Fietkau
f419c5f1d8 ath9k: add fast-xmit support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:12:22 +03:00
Janusz.Dziedzic@tieto.com
1738203ee7 ath9k: setup rxfilter when offchannel
Setup rxfiler correctly for offchannel ctx.

This fix problem we didn't configure rxfilter, next
didn't receive probe requests and next failed
p2p_find. This was seen when ath9k loaded with
use_chanctx=1

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:11:14 +03:00
Janusz.Dziedzic@tieto.com
f3771c0828 ath9k: setup rxfilter for all chanctx
While mac80211 setup this per HW, set same
rxfilter configuration for all chanctx.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:11:10 +03:00
Janusz.Dziedzic@tieto.com
d83520b7cd ath9k: handle RoC cancel correctly
In case we will get ROC cancel from mac80211 we
should not call ieee80211_remain_on_channel_expired().

In other case I hit such warning on MIPS and
p2p negotiation failed (tested with use_chanctx=1).

ath: phy0: Starting RoC period
ath: phy0: Channel definition created: 2412 MHz
ath: phy0: Assigned next_chan to 2412 MHz
ath: phy0: Offchannel duration for chan 2412 MHz : 506632
ath: phy0: ath_chanctx_set_next: current: 2412 MHz, next: 2412 MHz
ath: phy0: Stopping current chanctx: 2412
ath: phy0: Flush timeout: 200
ath: phy0: ath_chanctx_set_next: Set channel 2412 MHz
ath: phy0: Set channel: 2412 MHz width: 0
ath: phy0: Reset to 2412 MHz, HT40: 0 fastcc: 0
ath: phy0: cur_chan: 2412 MHz, event: ATH_CHANCTX_EVENT_TSF_TIMER, state: ATH_CHANCTX_STATE_IDLE
ath: phy0: ath_offchannel_channel_change: offchannel state: ATH_OFFCHANNEL_ROC_START
ath: phy0: cur_chan: 2412 MHz, event: ATH_CHANCTX_EVENT_SWITCH, state: ATH_CHANCTX_STATE_IDLE
ath: phy0: Cancel RoC
ath: phy0: RoC aborted
ath: phy0: RoC request on vif: 00:03:7f:4e:a0:cd, type: 1 duration: 500
ath: phy0: Starting RoC period
ath: phy0: Channel definition created: 2412 MHz
ath: phy0: Assigned next_chan to 2412 MHz
ath: phy0: Offchannel duration for chan 2412 MHz : 506705
ath: phy0: ath_chanctx_set_next: current: 2412 MHz, next: 2412 MHz
ath: phy0: ath_offchannel_channel_change: offchannel state: ATH_OFFCHANNEL_ROC_START
ath: phy0: cur_chan: 2412 MHz, event: ATH_CHANCTX_EVENT_SWITCH, state: ATH_CHANCTX_STATE_IDLE
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3312 at drivers/net/wireless/ath/ath9k/main.c:2319
Modules linked in: ath9k ath9k_common ath9k_hw ath mac80211 cfg80211

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:11:06 +03:00
Janusz.Dziedzic@tieto.com
eb61f9f623 ath9k: advertise p2p dev support when chanctx
Advertise p2p device support when ath9k loaded with
use_chanctx=1.

This will fix problem, when first interface is an AP
and next we would like to run p2p_find.
Before p2p find (scan phase) failed with EOPNOTSUPP.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:11:03 +03:00
Andreas Fenkart
c5bc15fce6 mwifiex: simplify mwifiex_complete_cmd
600f5d909a54("mwifiex: cleanup ioctl wait queue and abstraction layer")
introduced the wakeup_interruptible suppression in mwifiex_complete_cmd
b1a47aa5e1e1("mwifiex: fix system hang issue in cmd timeout error case")
then added wakup_interruptible to mwifiex_cmd_timeout_func the single
place setting a status of ETIMEDOUT.
Instead of doing extra work, using the standard call-chain will have the
same effect:
mwifiex_cancel_pending_ioctl
-> mwifiex_recycle_cmd_node
-> mwifiex_insert_cmd_to_free_q
-> mwifiex_complete_cmd
-> wake_up_interruptible

The difference is that previously the condition was not set to true,
but that's probably just an oversight in b1a47aa5e1 and shouldn't
have any consequence

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:09:13 +03:00
Andreas Fenkart
e9f21d4036 mwifiex: remove CMD_F_CANCELED flag
CMD_F_CANCELED was used to abort mwifiex_process_cmdresp in
case it already started or starts processing the cmd.
But this was probably not working the way intended:
- it is racy: mwifiex_process_cmdresp might already have passed that
  test and is continuing to use the cmd node being recycled
- mwifiex_process_cmdresp repeatedly uses adapter->curr_cmd which
  we just set to NULL
- mwifiex_recycle_cmd_node will clear the flag

The reason why it probably works is that mwifiex_cancel_pending_ioctl
is only called from mwifiex_cmd_timeout_func, where the there is little
chance of a command response still arriving

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:09:09 +03:00
Andreas Fenkart
aeb0300083 mwifiex: remove redundant reset of cmd_wait_q status
mwifiex_cancel_pending_ioctl is called only from
mwifiex_cmd_timeout_func. There the wait_q status is set to
-ETIMEDWAIT before calling this function. Whether we reset the status
to -1 or leave it at -ETIMEDWAIT at end doesn't matter since both
are != 0 hence mean failure

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:09:05 +03:00
Andreas Fenkart
e3a3ef25b8 mwifiex: remove explicit mwifiex_complete_cmd calls
standard call chain when releasing a cmd node:
mwifiex_recycle_cmd_node
-> mwifiex_insert_cmd_to_free_q
-> mwifiex_complete_cmd, if wait_q_enabled

calling mwifiex_complete_cmd explicitly and setting
wait_q_enabled = false is redundant

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:09:02 +03:00
Andreas Fenkart
b4336a282d mwifiex: sdio: reset adapter using mmc_hw_reset
Since 1fb654fd97ff("mmc: sdio: add reset callback to bus operations"),
sdio cards can be power cycled using mmc_hw_reset.
The use mmc_remove_host/mmc_add_host is discouraged, because these are
internal functions to the mmc core and should only be used by mmc hosts

Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-08-06 10:05:32 +03:00
Vladimir Kondratiev
19c871ce3a wil6210: support future boot loaders
Boot loader versions as backward compatible,
starting from v1

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:44:09 +03:00
Vladimir Kondratiev
409ead544d wil6210: report boot loader error
Boot loader reports error starting from the struct v2.

Print error info before reset (power up state) in debug mode,
and print same info as error if target reset timed out.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:44:02 +03:00
Vladimir Kondratiev
93cb679a76 wil6210: system power management
Support for the system suspend/resume.
In preparation for the run-time PM, implementation made
run-time PM friendly: common for system and run-time PM
code factored out as generic functions, albeit is_runtime
parameter value is always false currently.

For debug purposes, "PM" debug category introduced.

Policy: AP-like interface can't be suspended; otherwise
suspend is allowed. Hardware brought down if interface
was up. Connection, if existed, get lost.
Interface will be brought up upon resume if it was up
before suspend.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:56 +03:00
Vladimir Shulman
0553640d28 wil6210: allow to handle Rx on 2 cores
Allow network stack part of Rx processing to run on separate core,
relaxing CPU utilization on the core used for Rx NAPI.

If RXHASH feature is enabled, the driver sets rxhash of each skb to 1
to enable RPS. The core for processing the rx skb is determined by RPS
mechanism according to rx_cpus bit mask which is configured at user level.
For processing skbs on different core from the core which processes
the interrupts, it is recommended not to enable core 0 in rx_cpus bit mask.

Signed-off-by: Vladimir Shulman <QCA_shulmanv@QCA.qualcomm.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:50 +03:00
Vladimir Kondratiev
b9eeb51249 wil6210: use inline functions for register access
Replace macros like "R", "W", "S", "C", defined multiple times,
with inline functions "wil_[rwsc]".

Use "readl" and "writel" instead of "ioread32" and "iowrite32"
since it is granted that memory transactions are used,
not port ones like IN/OUT

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:43 +03:00
Vladimir Kondratiev
bd2d18b506 wil6210: remove 3-MSI support
In the recent kernel versions, multiple MSI is not well supported.
In particular, it is not supported on x86 and ARM architectures.
Also, internal interrupt handling logic is simpler and
more effective when using single interrupt.

Remove support for 3 MSI, convert module parameter
"use_msi" from int with range [0,1,3] to boolean.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:37 +03:00
Vladimir Kondratiev
91a8edcc31 wil6210: detailed statistics for Rx reorder drop
Rx drops may be for 2 reasons: frame is old,
or it is duplicate. On the debugfs "stations" entry,
provide counters per reorder buffer for total
frames processed, drops for these 2 reasons.
Also add debug print for dropped frames.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:30 +03:00
Vladimir Kondratiev
5421bf0c1e wil6210: unify wmi_set_ie() error handling
When printing error message, provide string describing IE kind.
Derive it from IE type
This allows removing of error messages printing
in callers

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:24 +03:00
Vladimir Kondratiev
cab5abbf9d wil6210: sort IEs handling
sort overall IE's handling
prepare code (disabled for now) to add IEs for the beacon

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:17 +03:00
Dedy Lansky
a3ce5ccd50 wil6210: treat "unhandled event" as warning instead of error
FW is allowed to generate WMI events that are not handled by this driver.
Treat such case as warning instead of error.

Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:11 +03:00
Vladimir Kondratiev
90d89e9aaa wil6210: improve mgmt frame handling
Check event length;
hex dump both Rx and Tx frames

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:43:04 +03:00
Vladimir Kondratiev
3d4bde1531 wil6210: TSO implementation
Driver report supported TSO (v4 & v6) and IP checksum offload
in addition to previously supported features. In data path
skbs are checked for non-zero gso_size, and when detected sent
to additional function for processing TSO SKBs. Since HW does not
fully support TSO, additional effort is required from the driver.
Driver partitions the data into mss sized descriptors which are
then DMAed to the HW.

Signed-off-by: Vladimir Shulman <QCA_shulmanv@QCA.qualcomm.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:58 +03:00
Vladimir Kondratiev
67131a1dba wil6210: skip HW version check for chip debugging
When loading with debug_fw flag, do not bail out on
unknown chipId

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:51 +03:00
Vladimir Kondratiev
8ad6600fbd wil6210: use wil_fw_error_recovery()
Use function wil_fw_error_recovery() instead of inline equivalent code

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:45 +03:00
Vladimir Kondratiev
3e9191fce2 wil6210: wait for del_station to complete
Multiple del_station requests may be sent to the driver by the
supplicant when turning down AP. This may overflow mailbox
between the FW and ucode

Wait till disconnect of one STA completed before sending next command.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:38 +03:00
Vladimir Kondratiev
8a9d1dc574 wil6210: use <> vs. "" for global include
linux/device.h should be included using <>, not ""
since it is not local include

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:32 +03:00
Vladimir Kondratiev
8ea06188fd wil6210: print "ulong" fields in hex format in the debugfs
In the debugfs, there is "ulong" attribute printing.
It is used for bitmap printing, and more appropriate format
would be hexadecimal, not decimal.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:26 +03:00
Vladimir Kondratiev
6093e66b6b wil6210: count drops in Rx block ack reorder
When performing Rx reordering, count skb's dropped
per reorder buffer; and print dropped packets count
on the "stations" debugfs entry

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:19 +03:00
Vladimir Kondratiev
f1ad8c9346 wil6210: support boot loader struct v0 & v1
There are 2 versions of boot loader struct: v0 and v1.
In the v1, boot loader build version added; as well as
RF status.

Support both versions.

Boot loader structure v1 has RF status; ignore RF error if firmware
not going to be loaded; driver can still be used to interact with the HW

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-06 09:42:13 +03:00
Avri Altman
b084a35663 iwlwifi: mvm: set different pm_timeout for action frames
When building a Tx Command for management frames, we are lacking
a check for action frames, for which we should set a different
pm_timeout.  This cause the fw to stay awake for 100TU after each
such frame is transmitted, resulting an excessive power consumption.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:30:15 +03:00
Assaf Krauss
eed6e97197 iwlwifi: mvm: ToF - Set correct range request cmd id
Command ID of ToF range request command adapted to new FW commands grouping
scheme.

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:30:15 +03:00
Matti Gottlieb
e112018776 iwlwifi: mvm: Add FW paging mechanism for the UMAC on SDIO
Family 8000 products has 2 embedded processors, the first
known as LMAC (lower MAC) and implements the functionality from
previous products, the second one is known as UMAC (upper MAC)
and is used mainly for driver offloads as well as new features.
The UMAC is typically “less” real-time than the LMAC and is used
for higher level controls.
The UMAC's code/data size is estimated to be in the mega-byte arena,
taking into account the code it needs to replace in the driver and
the set of new features.

In order to allow the UMAC to execute code that is bigger than its code
memory, we allow the UMAC embedded processor to page out code pages on
DRAM.

When the device is slave on the bus(SDIO) the driver saves the UMAC's
image pages in blocks of 32K in the DRAM and sends the layout of the
pages to the FW. When the FW wants load / unload pages, it creates an
interrupt,	and the driver uploads / downloads the page to an address in
the a specific address on the device's memory.

The driver can support up to 1 MB of pages.

Add paging mechanism for the UMAC on SDIO in order to allow the program to
use a larger virtual space while using less physical memory on the device
itself.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:30:15 +03:00
Sara Sharon
26d535aedc iwlwifi: pcie: New RBD allocation model
As a preperation for multiple RX queues change the RBD
allocation model.

The new model includes a background allocator. The allocator is
called by the interrupt handler when there are two released
buffers by the queue, and the allocator starts allocating eight
pages per request.
When the queue has released 8 pages it tries claiming the
request. If the pages are not ready - it keeps claiming.
This new model should make sure that RBDs are always available
across the multiple queues.

The RBDs are transferred between the allocator and the queue.
The queue moves the free RBDs upon freeing them to the allocator.
The allocator moves them back to the queue's possession when the
request is claimed.
The allocator has an initial pool to make sure there are always RBDs
available for the request completion.
Release of the buffers at exit is done per pools - the allocator
frees its own initial pool and the queue frees its own pool.

Existing code refactor -
-Queue's initial pool is the size of the queue only as the allocation
of the new buffers no longer uses this pool.
-Removal of replenish background work, and replenish calls in the
interrupt handler and restock().
-The replenish() and the rxq used_list are used only during
initialization.
-Moved page allocation to a new function for code reuse.

New code -
Allocator code - new structure and functions.
Interrupt handler uses the allocator functions for replenishing buffers.
Reuse of the restock() method.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:30:15 +03:00
Emmanuel Grumbach
d4a8169854 Merge remote-tracking branch 'iwlwifi-fixes/master' into next
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

Conflicts:
	drivers/net/wireless/iwlwifi/pcie/internal.h
2015-08-04 21:30:10 +03:00
Oren Givon
36fb901726 iwlwifi: mvm: add the ability to trigger only monitor dumps
Change the FW debug trigger tlv to include a monitor only
option. Setting this option to true will cause fw dump triggers
to only collect monitor data and skip other dumps such as
SMEM, SRAM, CSR, PRPH, etc.
This option is used when accessing the different parts of the
firmware memory is not wanted and can cause unwanted behavior
like when debugging TX latency.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:41 +03:00
Johannes Berg
206eea7833 iwlwifi: pcie: support frag SKBs
Allow frag SKBs in PCIe and advertise the maximum number of frags
to the opmode. As a fallback. linearize the SKB if it exceeds the
maximum number of fragments. This allows using the hardware better
(filling more TBs) and should improve performance when used by the
opmode.

Also adjust tracing to be able to deal with this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:40 +03:00
Avraham Stern
17564dde60 iwlwifi: add new TLV capability flag for gscan support
Gscan is a scan feature which is supported on certain devices only,
hence the need for a TLV flag for it. For devices that support gscan
store the gscan capabilities advertised by the FW so the driver can
report it to upper layers.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:40 +03:00
Alexander Bondar
9d012d0dbe iwlwifi: Add max TX aggregation size for 8260 SDIO devices series
Set max TX aggregation size for 8260 SDIO devices series to 40 frames.
Fine tune max RX aggregation size - change it to 21.

Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:39 +03:00
Avri Altman
be681c7d10 iwlwifi: mvm: revert to our old skip over dtim policy
Our firmware scheduler used to suffer from false wake-up on 500 time units.
We had to came up with a formula to address this buggy behavior.
Now that our firmware is fixed, we can go back to our old policy.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:39 +03:00
Emmanuel Grumbach
bd7fc617af iwlwifi: pcie: dump RBs when FW error occurs
Add support for dumping all the RBs in the RX queue
when FW error occurs.
This will assist debugging.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-08-04 21:29:38 +03:00