Commit Graph

700 Commits

Author SHA1 Message Date
Colin Ian King
5b1413f00b wil6210: fix break that is never reached because of zero'ing of a retry counter
There is a check on the retry counter invalid_buf_id_retry that is always
false because invalid_buf_id_retry is initialized to zero on each iteration
of a while-loop.  Fix this by initializing the retry counter before the
while-loop starts.

Addresses-Coverity: ("Logically dead code")
Fixes: b4a967b7d0 ("wil6210: reset buff id in status message after completion")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-11-25 14:14:26 +02:00
Lior David
85630469d2 wil6210: add SPDX license identifiers
Change all files to add SPDX license identifiers and
remove license text.
This is only an administrative change, there is no change
in actual license or copyright for any file.

Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-10-31 10:16:10 +02:00
Kalle Valo
97ef12263f Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for 5.5. Major changes:

ath10k

* add support for hardware rfkill on devices where firmware supports it
2019-10-03 16:39:51 +03:00
Denis Efremov
2c840676be wil6210: check len before memcpy() calls
memcpy() in wmi_set_ie() and wmi_update_ft_ies() is called with
src == NULL and len == 0. This is an undefined behavior. Fix it
by checking "ie_len > 0" before the memcpy() calls.

As suggested by GCC documentation:
"The pointers passed to memmove (and similar functions in <string.h>)
must be non-null even when nbytes==0, so GCC can use that information
to remove the check after the memmove call." [1]

[1] https://gcc.gnu.org/gcc-4.9/porting_to.html

Cc: Maya Erez <merez@codeaurora.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: stable@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-10-02 20:22:59 +03:00
Dan Carpenter
2b481835cf wil6210: use after free in wil_netif_rx_any()
The debug code dereferences "skb" to print "skb->len" so we have to
print the message before we free "skb".

Fixes: f99fe49ff3 ("wil6210: add wil_netif_rx() helper function")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-25 09:12:20 +03:00
Chuhong Yuan
5d7e4b4935 ath: Use dev_get_drvdata where possible
Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-23 11:25:22 +03:00
Colin Ian King
80ce8ca7a6 ath: fix various spelling mistakes
There are a bunch of spelling mistakes in two ath drivers, fix
these.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-23 11:24:37 +03:00
Lior David
50e107ff22 wil6210: ignore reset errors for FW during probe
There are special kinds of FW such as WMI only which
are used for testing, diagnostics and other specific
scenario.
Such FW is loaded during driver probe and the driver
disallows enabling any network interface, to avoid
operational issues.
In many cases it is used to debug early versions
of FW with new features, which sometimes fail
on startup.
Currently when such FW fails to load (for example,
because of init failure), the driver probe would fail
and shutdown the device making it difficult to debug
the early failure.
To fix this, ignore load failures in WMI only FW and
allow driver probe to succeed, making it possible to
continue and debug the FW load failure.

Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:56 +03:00
Lior David
055c8a71eb wil6210: fix RX short frame check
The short frame check in wil_sring_reap_rx_edma uses
skb->len which store the maximum frame length. Fix
this to use dmalen which is the actual length of
the received frame.

Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:45 +03:00
Lior David
0e698cd0b9 wil6210: use writel_relaxed in wil_debugfs_iomem_x32_set
writel_relaxed can be used in wil_debugfs_iomem_x32_set
since there is a wmb call immediately after.

Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:35 +03:00
Maya Erez
058b3f1124 wil6210: report boottime_ns in scan results
Call cfg80211_inform_bss_frame_data to report cfg80211 on the
boottime_ns in order to prevent the scan results filtering due to
aging.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:24 +03:00
Dedy Lansky
068f359aac wil6210: properly initialize discovery_expired_work
Upon driver rmmod, cancel_work_sync() can be invoked on
p2p.discovery_expired_work before this work struct was initialized.
This causes a WARN_ON with newer kernel version.

Add initialization of discovery_expired_work inside wil_vif_init().

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:14 +03:00
Alexei Avshalom Lazar
e78975fcda wil6210: verify cid value is valid
cid value is not being verified in wmi_evt_delba(),
verification is added.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:07:03 +03:00
Dedy Lansky
f4519fd937 wil6210: make sure DR bit is read before rest of the status message
Due to compiler optimization, it's possible that dr_bit (descriptor
ready) is read last from the status message.
Due to race condition between HW writing the status message and
driver reading it, other fields that were read earlier (before dr_bit)
could have invalid values.

Fix this by explicitly reading the dr_bit first and then using rmb
before reading the rest of the status message.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:06:53 +03:00
Ahmad Masri
42fe1e519e wil6210: fix PTK re-key race
Fix a race between cfg80211 add_key call and transmitting of 4/4 EAP
packet. In case the transmit is delayed until after the add key takes
place, message 4/4 will be encrypted with the new key, and the
receiver side (AP) will drop it due to MIC error.

Wil6210 will monitor and look for the transmitted packet 4/4 eap key.
In case add_key takes place before the transmission completed, then
wil6210 will let the FW store the key and wil6210 will notify the FW
to use the PTK key only after 4/4 eap packet transmission was
completed.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:06:42 +03:00
Dedy Lansky
977c45ab5f wil6210: add debugfs to show PMC ring content
PMC is a hardware debug mechanism which allows capturing real time
debug data and stream it to host memory. The driver allocates memory
buffers and set them inside PMC ring of descriptors.
Add pmcring debugfs that application can use to read the binary
content of descriptors inside the PMC ring (cat pmcring).

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:06:32 +03:00
Dedy Lansky
f99fe49ff3 wil6210: add wil_netif_rx() helper function
Move common part of wil_netif_rx_any into new helper function and add
support for non-gro receive using netif_rx_ni.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12 18:06:22 +03:00
Markus Elfring
d20b1e6c83 wil6210: Delete an unnecessary kfree() call in wil_tid_ampdu_rx_alloc()
A null pointer would be passed to a call of the function “kfree”
directly after a call of the function “kcalloc” failed at one place.
Remove this superfluous function call.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-04 09:07:29 +03:00
Alexei Avshalom Lazar
9abe3e306e wil6210: Add EDMG channel support
Add support for Enhanced Directional Multi-Gigabit (EDMG) channels 9-11.
wil6210 reports it's EDMG capabilities (that are also based on FW
capability) to cfg80211 by filling
wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.
wil6210 handles edmg.channels and edmg.bw_config requested in connect
and start_ap operations.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-04 09:06:26 +03:00
Colin Ian King
23bb9f692b wil6210: fix wil_cid_valid with negative cid values
There are several occasions where a negative cid value is passed
into wil_cid_valid and this is converted into a u8 causing the
range check of cid >= 0 to always succeed.  Fix this by making
the cid argument an int to handle any -ve error value of cid.

An example of this behaviour is in wil_cfg80211_dump_station,
where cid is assigned -ENOENT if the call to wil_find_cid_by_idx
fails, and this -ve value is passed to wil_cid_valid.  I believe
that the conversion of -ENOENT to the u8 value 254 which is
greater than wil->max_assoc_sta causes wil_find_cid_by_idx to
currently work fine, but I think is by luck and not the
intended behaviour.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-04 09:04:18 +03:00
Alexei Avshalom Lazar
2a38075cd0 nl80211: Add support for EDMG channels
802.11ay specification defines Enhanced Directional Multi-Gigabit
(EDMG) STA and AP which allow channel bonding of 2 channels and more.

Introduce new NL attributes that are needed for enabling and
configuring EDMG support.

Two new attributes are used by kernel to publish driver's EDMG
capabilities to the userspace:
NL80211_BAND_ATTR_EDMG_CHANNELS - bitmap field that indicates the 2.16
GHz channel(s) that are supported by the driver.
When this attribute is not set it means driver does not support EDMG.
NL80211_BAND_ATTR_EDMG_BW_CONFIG - represent the channel bandwidth
configurations supported by the driver.

Additional two new attributes are used by the userspace for connect
command and for AP configuration:
NL80211_ATTR_WIPHY_EDMG_CHANNELS
NL80211_ATTR_WIPHY_EDMG_BW_CONFIG

New rate info flag - RATE_INFO_FLAGS_EDMG, can be reported from driver
and used for bitrate calculation that will take into account EDMG
according to the 802.11ay specification.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Link: https://lore.kernel.org/r/1566138918-3823-2-git-send-email-ailizaro@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-08-21 11:07:35 +02:00
Matthew Wilcox (Oracle)
d7840976e3 net: Use skb accessors in network drivers
In preparation for unifying the skb_frag and bio_vec, use the fine
accessors which already exist and use skb_frag_t instead of
struct skb_frag_struct.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22 20:47:56 -07:00
Johannes Berg
1667e4f9bc wireless: fix nl80211 vendor commands
In my previous commit to validate a policy I neglected to
actually add one to the few drivers using vendor commands,
fix that now.

Reported-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Fixes: 901bb98918 ("nl80211: require and validate vendor command policy")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-07-20 21:37:26 +02:00
David S. Miller
af144a9834 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two cases of overlapping changes, nothing fancy.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08 19:48:57 -07:00
Ahmad Masri
1a27600311 wil6210: drop old event after wmi_call timeout
This change fixes a rare race condition of handling WMI events after
wmi_call expires.

wmi_recv_cmd immediately handles an event when reply_buf is defined and
a wmi_call is waiting for the event.
However, in case the wmi_call has already timed-out, there will be no
waiting/running wmi_call and the event will be queued in WMI queue and
will be handled later in wmi_event_handle.
Meanwhile, a new similar wmi_call for the same command and event may
be issued. In this case, when handling the queued event we got WARN_ON
printed.

Fixing this case as a valid timeout and drop the unexpected event.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:51:04 +03:00
Ahmad Masri
2a32c20b76 wil6210: set WIL_WMI_CALL_GENERAL_TO_MS as wmi_call timeout
Replace all wmi_call timeouts that are less than 100 msec to use
WIL_WMI_CALL_GENERAL_TO_MS (100 msec) as a default. Some of the
current wmi_call timeouts are too short and fails to receive its
waiting events.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:55 +03:00
Tzahi Sabo
9b58611873 wil6210: add support for reading multiple RFs temperature via debugfs
Base-band chips support multi RFs chips. Add support for reading
multiple RFs temperature via debugfs.

Signed-off-by: Tzahi Sabo <stzahi@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:46 +03:00
Maya Erez
3e7ee09d36 wil6210: publish max_msdu_size to FW on BCAST ring
Set max_msdu_size in WMI_BCAST_DESC_RING_ADD_CMD to allow FW
to optimize the buffers allocation for bcast packets.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:37 +03:00
Alexei Avshalom Lazar
c478ac9daa wil6210: update cid boundary check of wil_find_cid/_by_idx()
The return value of wil_find_cid()/wil_find_cid_by_idx() is
validated with the lower boundary value.
Check the upper boundary value as well.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:28 +03:00
Maya Erez
f2b6b46e48 wil6210: clear FW and ucode log address
Clear the FW and ucode log address on device initialization to allow
user space app identify when the address was set by FW/ucode and it can
start read.

Signed-off-by: Tzahi Sabo <stzahi@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:19 +03:00
Dedy Lansky
dedec35b40 wil6210: fix printout in wil_read_pmccfg
Replace sprintf with snprintf which checks the destination buffer
size.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:10 +03:00
Alexei Avshalom Lazar
c5b3a6582b wil6210: Add support for setting RBUFCAP configuration
RBUFCAP support added in FW.
The RBUFCAP feature is amendment to the block ack mechanism to
prevent overloading of the recipient’s memory space, which may
happen in case the link speed is higher than STA’s capability
to process or consume incoming data.
The block ack policy (ba_policy) is now controlled by FW so driver
should ignore this field.
Add new debugfs "rbufcap" to configure RBUFCAP.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:50:01 +03:00
Ahmad Masri
96b77bb044 wil6210: increase the frequency of status ring hw tail update
The driver updates Tx status ring HW tail only after it finishes
processing the whole status ring, while the HW is still transmitting
from other transmit rings. This can cause back-pressure on HW if
no status entries are available.

Update HW tail of Tx status ring without waiting for the end of the
processing to help feeding back the HW with status entries and to allow
additional packet transmission.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:49:52 +03:00
Ahmad Masri
c903ece596 wil6210: enlarge Tx status ring size
With multiple clients and in high throughput scenarios, Tx status ring
can get full and become a bottleneck in Tx transmission.
Set the default Tx status ring size order to 13, previous value was 12.
This will double the status ring size from 4K entries to 8K entries.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:49:43 +03:00
Alexei Avshalom Lazar
b913e33076 wil6210: do not reset FW in STA to P2P client interface switch
Currently the FW is reset on every interface type change, because
of various FW bugs.
FW reset is not required when switching from STA to P2P client, hence
can be skipped.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:49:34 +03:00
Greg Kroah-Hartman
ce564170df wil6210: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Maya Erez <merez@codeaurora.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: wil6210@qti.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27 20:48:24 +03:00
Kalle Valo
0766789b1e ath: fix SPDX tags
Commit ec8f24b7fa ("treewide: Add SPDX license identifier -
Makefile/Kconfig") marked various Makefiles and Kconfig files within ath
directories as GPL-2.0. But these modules and drivers are actually ISC:

* ath
* ar5523
* ath10k
* ath5k
* ath6kl
* ath9k
* wcn36xx
* wil6210

Fix SPDX tags accordingly.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-26 18:11:06 +03:00
Kalle Valo
889ca18093 Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for 5.3. Major changes:

ath10k

* enable SDIO support, first one being QCA6174 hw3.2
2019-05-27 15:15:29 +03:00
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
David S. Miller
6ffe0acc93 wireless-drivers-next patches for 5.2
Most likely the last patchset of new feature for 5.2, and this time we
 have quite a lot of new features. Most obvious being rtw88 from
 Realtek which supports RTL8822BE and RTL8822CE 802.11ac devices. We
 have also new hardware support for existing drivers and improvements.
 
 There's one conflict in iwlwifi, my example conflict resolution below.
 
 Major changes:
 
 iwlwifi
 
 * bump the 20000-series FW API version
 
 * work on new hardware continues
 
 * RTT confidence indication support for Fine Timing Measurement (FTM)
 
 * an improvement in HE (802.11ax) rate-scaling
 
 * add command version parsing from the fimware TLVs
 
 * add support for a new WoWLAN patterns firmware API
 
 rsi
 
 * add support for rs9116
 
 mwifiex
 
 * add support for SD8987
 
 brcmfmac
 
 * add quirk for ACEPC T8 and T11 mini PCs
 
 rt2x00
 
 * add RT3883 support
 
 qtnfmac
 
 * fix debugfs interface to support multiple cards
 
 rtw88
 
 * new driver
 
 mt76
 
 * share more code across drivers
 
 * add support for MT7615 chipset
 
 * rework DMA API
 
 * tx/rx performance optimizations
 
 * use NAPI for tx cleanup on mt76x02
 
 * AP mode support for USB devices
 
 * USB stability fixes
 
 * tx power handling fixes for 76x2
 
 * endian fixes
 
 Conflicts:
 
 There's a trivial conflict in
 drivers/net/wireless/intel/iwlwifi/fw/file.h, just leave
 IWL_UCODE_TLV_FW_FSEQ_VERSION to the file. 'git diff' output should be
 just empty:
 
 diff --cc drivers/net/wireless/intel/iwlwifi/fw/file.h
 index cd622af90077,b0671e16e1ce..000000000000
 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
 +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJczDAZAAoJEG4XJFUm622blLgH/jdBKEq9i1m5dtLi48u4sgPV
 NsnPhR5XQjpbYpmvgPslKLxWzZq6A0P+lo9QqTXkP/QRyJLu7RnoY1c2wVsQbWaK
 VTXc0cROzWt0ihAt8Mc/rEsZpISVnQ9mJbTd/kSJM9WlDeIg0jcJvnEAdQiEmM5t
 2t+zZ5CupUXYbGE3zWHL1GSjBD9f0v7zyrNxYNGfvqhDEXhTFWAmVuRtfoAVlRU+
 dt1HMv+qdxgoF6Uvaw/kgY09mDvdrfy2EVL0q7S3TKceute60SWf7de2sToI/rMQ
 snUnVqTIIUnWPl6g+C3Bp2TbdZhy6XCSRsMFOVa2i1Lt+z1qe3dTr3hjxTQWRhE=
 =uLaP
 -----END PGP SIGNATURE-----

Merge tag 'wireless-drivers-next-for-davem-2019-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 5.2

Most likely the last patchset of new feature for 5.2, and this time we
have quite a lot of new features. Most obvious being rtw88 from
Realtek which supports RTL8822BE and RTL8822CE 802.11ac devices. We
have also new hardware support for existing drivers and improvements.

There's one conflict in iwlwifi, my example conflict resolution below.

Major changes:

iwlwifi

* bump the 20000-series FW API version

* work on new hardware continues

* RTT confidence indication support for Fine Timing Measurement (FTM)

* an improvement in HE (802.11ax) rate-scaling

* add command version parsing from the fimware TLVs

* add support for a new WoWLAN patterns firmware API

rsi

* add support for rs9116

mwifiex

* add support for SD8987

brcmfmac

* add quirk for ACEPC T8 and T11 mini PCs

rt2x00

* add RT3883 support

qtnfmac

* fix debugfs interface to support multiple cards

rtw88

* new driver

mt76

* share more code across drivers

* add support for MT7615 chipset

* rework DMA API

* tx/rx performance optimizations

* use NAPI for tx cleanup on mt76x02

* AP mode support for USB devices

* USB stability fixes

* tx power handling fixes for 76x2

* endian fixes

Conflicts:

There's a trivial conflict in
drivers/net/wireless/intel/iwlwifi/fw/file.h, just leave
IWL_UCODE_TLV_FW_FSEQ_VERSION to the file. 'git diff' output should be
just empty:

diff --cc drivers/net/wireless/intel/iwlwifi/fw/file.h
index cd622af90077,b0671e16e1ce..000000000000
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-05 10:20:53 -07:00
Maya Erez
3d0aa91984 wil6210: remove HALP for Talyn devices
In Talyn the HW is responsible for power management enter / exit
flow, hence the deep sleep exit latency is significantly shorter than
in Sparrow.
In such a case HALP feature, that is meant to prevent long PCIe blocking
accesses, is no longer needed and can be removed for Talyn.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:59 +03:00
Dedy Lansky
d6a553c0c6 wil6210: check rx_buff_mgmt before accessing it
Make sure rx_buff_mgmt is initialized before accessing it.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:47 +03:00
Maya Erez
7441be71ba wil6210: fix missed MISC mbox interrupt
When MISC interrupt is triggered due to HALP bit, in parallel
to mbox events handling by the MISC threaded IRQ, new mbox
interrupt can be missed in the following scenario:
1. MISC ICR is read in the IRQ handler
2. Threaded IRQ is completed and all MISC interrupts are unmasked
3. mbox interrupt is set by FW
4. HALP is masked
The mbox interrupt in step 3 can be missed due to constant high level
of ICM.
Masking all MISC IRQs instead of masking only HALP bit in step 4
will guarantee that ICM will drop to 0 and interrupt will be triggered
once MISC interrupts will be unmasked.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:36 +03:00
Ahmad Masri
ddf7afdde8 wil6210: fix overwriting max_assoc_sta module param
Save the parameter of max_assoc_sta per device.
On fw_ready event calculate the max_assoc_sta and save it per device,
do not overwrite the max_assoc_sta module param.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:26 +03:00
Dedy Lansky
9a874d0454 wil6210: enhancements for descriptor and status ring debugfs
Add printing of hwhead as part of desc ring and status ring debugfs.
Validate wil->rx_buff_mgmt and ring->ctx arrays before accessing them.
Dump Tx descriptor content even when it indicates invalid buff_id.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:15 +03:00
Maya Erez
a7feb56f20 wil6210: add support for multiple sections in brd file
Current board file loading procedure assumes that the board file
includes only one section.
New board files can include multiple sections.
Add the ability to read multiple addresses and max size from FW
file and load multiple sections from the board file into those
addresses.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:04 +03:00
Dedy Lansky
0131d18513 wil6210: add printout of platform capabilities
Add logging of the platform capabilities after retrieving it from the
platform driver.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:53 +03:00
Alexei Avshalom Lazar
9c64659792 wil6210: fix _desc access in __wil_tx_vring_tso
_desc is defined in __wil_tx_vring_tso() and may not be set in
case len is 0, verify _desc is set.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:42 +03:00
Maya Erez
e10b0eddd5 wil6210: fix spurious interrupts in 3-msi
Interrupt is set in ICM (ICR & ~IMV) rising trigger.
As the driver masks the IRQ after clearing it, there can
be a race where an additional spurious interrupt is triggered
when the driver unmask the IRQ.
This can happen in case HW triggers an interrupt after the clear
and before the mask.

To prevent the second spurious interrupt the driver needs to mask the
IRQ before reading and clearing it.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:30 +03:00
Gustavo A. R. Silva
bfabdd6997 wil6210: fix potential out-of-bounds read
Notice that *rc* can evaluate to up to 5, include/linux/netdevice.h:

enum gro_result {
        GRO_MERGED,
        GRO_MERGED_FREE,
        GRO_HELD,
        GRO_NORMAL,
        GRO_DROP,
        GRO_CONSUMED,
};
typedef enum gro_result gro_result_t;

In case *rc* evaluates to 5, we end up having an out-of-bounds read
at drivers/net/wireless/ath/wil6210/txrx.c:821:

	wil_dbg_txrx(wil, "Rx complete %d bytes => %s\n",
		     len, gro_res_str[rc]);

Fix this by adding element "GRO_CONSUMED" to array gro_res_str.

Addresses-Coverity-ID: 1444666 ("Out-of-bounds read")
Fixes: 194b482b50 ("wil6210: Debug print GRO Rx result")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-29 17:59:40 +03:00