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TCF_LAYER_LINK and TCF_LAYER_NETWORK returned the same pointer as
skb->data points to the network header.
Use skb_mac_header instead.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'ptr' is shifted by the offset and then validated,
the memcmp should not add it a second time.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In fixing the readdir+pagefault deadlock I accidentally introduced a
stale entry regression in readdir. If we get close to full for the
temporary buffer, and then skip a few delayed deletions, and then try to
add another entry that won't fit, we will emit the entries we found and
retry. Unfortunately we delete entries from our del_list as we find
them, assuming we won't need them. However our pos will be with
whatever our last entry was, which could be before the delayed deletions
we skipped, so the next search will add the deleted entries back into
our readdir buffer. So instead don't delete entries we find in our
del_list so we can make sure we always find our delayed deletions. This
is a slight perf hit for readdir with lots of pending deletions, but
hopefully this isn't a common occurrence. If it is we can revist this
and optimize it.
cc: stable@vger.kernel.org
Fixes: 23b5ec74943f ("btrfs: fix readdir deadlock with pagefault")
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The Intel_Read_Boot_Params command is used to read boot parameters
from the bootloader and this is Intel generic command used in USB
and UART drivers.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Each RAM SKU has a different boot parameter which is used in
HCI_Intel_Reset command after downloading the firmware.
The boot parameter is embedded in the firmware data and to support
multiple SKUs, driver reads the boot parameter while downloading
the firmware instead of using static values per SKU.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The Intel_Reset command is used to reset the device after downloading
the firmware and this is Intel generic command used in both USB and
UART.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The format of Intel Bluetooth firmware for bootloader product is
ibt-<hw_variant>-<device_revision_id>.sfi and .ddc.
But for the 9x60 SKU, there are three variants of FW, which cannot be
differenticate just with hw_variant and device_revision_id.
So, to pick the appropriate FW file for 9x60 SKU, three fields,
hw_variant, hw_revision, and fw_revision, needs to be used rather than
hw_variant and device_revision_id.
Format will be like this:
ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi and .ddc
Signed-off-by: Tedd Ho-Jeong An <tedd.an@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"With the new ORC unwinder, ftrace stack tracing became disfunctional.
One was that ORC didn't know how to handle the ftrace callbacks in
general (which Josh fixed).
The other was that ORC would just bail if it hit a dynamically
allocated trampoline. Which means all ftrace stack tracing that
happens from the function tracer would produce no results (that
includes killing the max stack size tracer). I added a check to the
ORC unwinder to see if the trampoline belonged to ftrace, and if it
did, use the orc entry of the static trampoline that was used to
create the dynamic one (it would be identical).
Finally, I noticed that the skip values of the stack tracing were out
of whack. I went through and fixed them up"
* tag 'trace-v4.15-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Update stack trace skipping for ORC unwinder
ftrace, orc, x86: Handle ftrace dynamically allocated trampolines
x86/ftrace: Fix ORC unwinding from ftrace handlers
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We're seeing a raise of automated reports from testing tools and reports
about address leaks that are not really exploitable as-is, many of which
do not represent an immediate risk justifying to work in closed places.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Setup .enable_reg/.enable_mask/.enable_val fields, then we can use the
regmap helpers for enable/disable/is_enabled callback implementation.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This reverts commit 6cfb521ac0d5b97470883ff9b7facae264b7ab12.
Turns out distros do not want to make retpoline as part of their "ABI",
so this patch should not have been merged. Sorry Andi, this was my
fault, I suggested it when your original patch was the "correct" way of
doing this instead.
Reported-by: Jiri Kosina <jikos@kernel.org>
Fixes: 6cfb521ac0d5 ("module: Add retpoline tag to VERMAGIC")
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: rusty@rustcorp.com.au
Cc: arjan.van.de.ven@intel.com
Cc: jeyu@kernel.org
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use pr_debug instead of hand crafted macros. This way it is not needed to
re-compile the kernel to enable bsg debug outputs and it's possible to
selectively enable specific prints.
Cc: Joe Perches <joe@perches.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Attributes that only implement .seq_ops are read-only, any write to
them should be rejected. But currently kernel would crash when
writing to such debugfs entries, e.g.
chmod +w /sys/kernel/debug/block/<dev>/requeue_list
echo 0 > /sys/kernel/debug/block/<dev>/requeue_list
chmod -w /sys/kernel/debug/block/<dev>/requeue_list
Fix it by returning -EPERM in blk_mq_debugfs_write() when writing to
such attributes.
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When using the firmware api it can fail simply because firmware does
not like the request or it fails due to issues in the host interface.
Currently, there is only a single error code which is confusing. So
adding a parameter to pass the firmware error separately and in case
of a firmware error always return -EBADE to user-space.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The protocol layer api defines callbacks for dongle commands.
Although not really well documented these should only return an
error code in case of an error, or 0 upon success. In the bcdc
protocol it can return value above 0 and we carry a fix in the
caller of the protocol layer api. This patch makes it adhere to
the intent of the api as described above.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Events processing requires locking of bus mutex, which is also used by
cfg80211 layer before calling several of cfg80211 callbacks. Since all
cfg80211 callbacks in qtnfmac driver also lock bus mutex, this
potentially may lead to a deadlock.
Do not use bus lock for event processing. Use RTNL lock instead to
serialize events and commands processing threads.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The function qtnf_scan_done makes use of mutexes which is wrong
since it may be called from timer context. Move scan timeout
handler from timer to deferred work.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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STA does not reconnect to the same AP after disconnect. The reason is
that STA is marked as disconnected in cfg80211 disconnect callback.
This is too early since in this case qtnfmac event handler skips
cfg80211_disconnected call when processing disconnect event from
the card. As a result, wdev is left in an inconsistent state.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Validate new interface combinations using wireless core checks when new
interface is added or when the type of existing interface is modified.
This is performed to make sure that new interface combination is supported
by hardware. As a result, invalid interface combinations are rejected early,
rather than passed to hardware with sometimes unpredictable results.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Update existing code handling configuration of supported interface
combinations. Current implementation is not complete since it does
not report multiple interface combinations which are incompatible
with each other. Instead current implementation packs all the
supported combinations into single entry.
In fact currently qsr10g wireless card supports the following
two distinct interface combinations:
1. STA/repeater: 1 STA and/or 1 AP
{
{ .max = 1, .types = NL80211_IFTYPE_AP},
{ .max = 1, .types = NL80211_IFTYPE_STA},
}
2. AP/mBSS
{
{ .max = 8, .types = NL80211_IFTYPE_AP},
}
The list of supported configuration is reported by firmware during
wireless card bring-up. Communication protocol between firmware
and host has been updated accordingly in order to accommodate passing
multiple interface combination entries.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Enable reporting of qtnfmac hardware and firmware details
using ethtool command.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Various bits of hardware and firmware versions are useful for debug
and troubleshooting. Get more information from the wireless card.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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On 32-bit platforms packet counters are stored in a net_device_stats struct
as unsigned long integers. As a result, after some time of network activity
an overflow takes place in network packet counters. This patch makes use of
new structs for holding interface statistics.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Virtual interface should be deleted after calling unregister_netdevice
since this function ends up with sending updown_intf command to card.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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TLV is used to pass ACL data to firmware in start_ap cfg80211 callback.
Use the same approach in set_mac_acl cfg80211 callback.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Driver periodically samples all neighbors configured in device
in order to update the kernel regarding their state. When finding
an entry configured in HW that doesn't show in neigh_lookup()
driver logs an error message.
This introduces a race when removing multiple neighbors -
it's possible that a given entry would still be configured in HW
as its removal is still being processed but is already removed
from the kernel's neighbor tables.
Simply remove the error message and gracefully accept such events.
Fixes: c723c735fa6b ("mlxsw: spectrum_router: Periodically update the kernel's neigh table")
Fixes: 60f040ca11b9 ("mlxsw: spectrum_router: Periodically dump active IPv6 neighbours")
Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rahul Lakkireddy says:
====================
cxgb4: fix build error
Patch 1 fixes build error with compiling cudbg_zlib.c when
CONFIG_ZLIB_DEFLATE macro is not defined.
Patch 2 fixes following sparse warning:
"Using plain integer as NULL pointer"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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memset variables to 0 to fix sparse warnings:
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c:409:42: sparse: Using
plain integer as NULL pointer
drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:43:47: sparse: Using
plain integer as NULL pointer
Fixes: ad75b7d32f25 ("cxgb4: implement ethtool dump data operations")
Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes:
drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:39:5: error:
redefinition of 'cudbg_compress_buff'
int cudbg_compress_buff(struct cudbg_init *pdbg_init,
^~~~~~~~~~~~~~~~~~~
In file included from
drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:23:0:
drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h:45:19: note: previous
definition of 'cudbg_compress_buff' was here
static inline int cudbg_compress_buff(struct cudbg_init *pdbg_init,
^~~~~~~~~~~~~~~~~~~
Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ursula Braun says:
====================
net/smc: socket closing improvements
while the first 2 patches are just small cleanups, the remaing
patches affect socket closing.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the peer sends a shutdown WRITE, this should not affect sending
in general, and waiting for send buffer space in particular.
Stop waiting of the local socket for send buffer space only, if peer
signals closing, but not if peer signals just shutdown WRITE.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a socket is closed or shutdown, smc waits for data being transmitted
in certain states. If the state changes during this wait, the close
switch depending on state should be reentered.
In addition, state change is avoided if sending of close or shutdown fails.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Work requests are needed for every ib_post_send(), among them the
ib_post_send() to signal closing. If an smc socket program is cancelled,
the smc connections should be cleaned up, and require sending of closing
signals to the peer. This may fail, if a wait for
a free work request is needed, but is cancelled immediately due to the
cancel interrupt. To guarantee notification of the peer, the wait for
a work request is changed to uninterruptible.
And the area to receive work request completion info with
ib_poll_cq() is cleared first.
And _tx_ variable names are used in the _tx_routines for the
demultiplexing common type in the header.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to wait for confirmation of pending tx requests
for a closing connection, since pending tx slots are dismissed
when finishing a connection.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup to avoid duplicate code in smc_clcsock_accept().
No functional change.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup to consistently exploit the local struct sock definitions.
No functional change.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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implement ndo_set_vf_vlan for mgmt netdevice to configure
the PCIe VF.
Original work by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The trailing semicolon is an empty statement that does no operation.
Removing it since it doesn't do anything.
Signed-off-by: Luis de Bethencourt <luisbg@kernel.org>
Acked-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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If we then OR this with 0x40, then the value of 6th bit (0th is first bit)
become known, so the right mask is 0xbf instead of 0xcf.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The field spec_ver is IC's specification mask for common code to do proper
process to specified IC. This commit add a field new rate ID for new
generation IC.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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New generation ICs will support 11ac, 5G, n-NSS, etc, so we define a set of
rate ID.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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8822be is 2x2 11ac wifi chip, so report VHT capability to mac80211.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In files halbtc8822b1ant.c and halbtc8822b2ant.c that I will submit later,
two undesired directives named BT_8822B_1ANT_COEX_DBG and
BT_8822B_2ANT_COEX_DBG will be replaced by boolean variables.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Originally, btcoex controls the antenna of combo card, but solo card
is also needed to setup properly. The new ops are named with suffix
'_wifi_only' opposited to original btc_ops, and new structures and
definitions are also introduced. The wifi_only oly contains four ops that
are initial variable, hw config, scan notify, and switch band notify.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Three steps of connection procedure are scan, enter/leave IPS, auth.
There is no scan between leaving IPS and sending auth, but btcoex use scan
as an important clue that indicates user is going to connect. So add scan
notifications in ips_notify to correct btcoex's state.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The variable will be used by btcoex of 8822be, so we prepare this variable
in advance.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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BT shares 2.4G band but not 5G band, so inform current band to btcoex to
setup antenna properly.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The rtlwifi newer ICs support 80M bandwidth in 5G band, so extend
get_wifi_bw() to know bandwidth 80M that helps btcoex to make correct
decisions.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2018-01-24
1) Only offloads SAs after they are fully initialized.
Otherwise a NIC may receive packets on a SA we can
not yet handle in the stack.
From Yossi Kuperman.
2) Fix negative refcount in case of a failing offload.
From Aviad Yehezkel.
3) Fix inner IP ptoro version when decapsulating
from interaddress family tunnels.
From Yossi Kuperman.
4) Use true or false for boolean variables instead of an
integer value in xfrm_get_type_offload.
From Gustavo A. R. Silva.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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