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The iwlwifi driver has a workaround for some PCI bugs that require it
to be removed and reinserted. Unfortunately, this doesn'w work on
kernels < 3.14, so ignore the actual work function in that case and
print out a message instead.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
[rename patch to have a number prefix]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function was introduced in v4.6 and now the iwlwifi driver uses
it. Add the function for kernels older than v4.6.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Allow using wait_event_killable_timeout function in kernel
older then 4.13
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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At least in some older kernel versions (e.g. 3.10), the tcp.h header
file is not implicitly included from other headers if CONFIG_IPV6 is
not set, so we need to include it in backport-4.4.c. Also, there is
an IPv6 structure that is used, so we should ifdef it away when IPv6
is not enabled.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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wireless-drivers-next.git commit cb18e2e9ec71 (brcmfmac: fix wrong
strnchr usage) used strreplace(), which is not available in kernel prior
to v4.2. Before this commit proprgates to linux-stable.git, add
strreplace() to avoid gentree failure.
Signed-off-by: Winnie Chang <winnie.chang@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In newer kernels, calling cc-option will use KBUILD_CFLAGS,
which itself gets subdir-ccflags-y added to it. Thus, we get
it referencing itself, since nothing here is evaluated until
KBUILD_CFLAGS is used: KBUILD_CFLAGS contains subdir-ccflags-y,
that in turn contains cc-option call, containing KBUILD_CFLAGS.
To avoid that, use := assignment to subdir-ccflags-y, meaning
the cc-option call is done right away and we don't end up with
KBUILD_CFLAGS referencing itself.
Note that this is the first assignment to subdir-ccflags-y, so
the += was never necessary.
This fixes build of the driver on kernels 4.15 and higher.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ktime_get_raw_ts64() uses the old function which was renamed.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
[fix typo in commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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These functions are currently used by the usbnet driver.
These functions were introduced in upstream commit 2695578b896ae ("net:
usbnet: fix potential deadlock on 32bit hosts")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is used by the mac80211_hwsim driver. The code was copied from the
mainline kernel.
This was introduced in mainline kernel commit c3ab2b4ec8f7 ("net: ipv4:
Add extack messages for route add failures")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The select queue API was changed in upstream commit 4f49dec9075a ("net:
allow ndo_select_queue to pass netdev"). This patch adds a new version
of the API for kernel < 4.19
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This adds the kvzalloc() function and allows it to remove the
lib-rhashtable.patch patch.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
[fix commit message kzalloc -> kvzalloc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This removes parts which were only used by subsystems which are not
included in backports any more, for example media, bluetooth and
Ethernet.
The patches which are removed in this commit are not applied to the
kernel tree anyway with the default configuration because non of the
files get copied. The freezer, media, regulator and sound parts were
only used by the already removed media drivers. The flow dissector file
is not copied any more.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As reported by Hauke, and analyzed by Julia, the netdev destructor
spatch is really slow because <... ...> means 0 or more hits, and
thus the spatch has to be applied on all files. However, we don't
really need it to be this way, so use <+... ...+> which allows it
to reject almost all files immediately, cutting down the processing
time by more than two orders of magnitude as it only has to touch a
handful of files, rather than all.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The 1.0.6 release was actually not compatible with the
attribute name syntax we use, and the confusion around
1.0.7 finally got cleared up, and that should work.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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crypto_memneq has been backported in 3.12.59 and 3.10.106, it
shouldn't be built for these kernels.
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It is used by new mt76 changes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Obsoleted by kvmalloc/kvmalloc_array backport
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Overflow macros are useful for further backports
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Function memcmp is implicit declaration on kernel 4.9.88 ARM platform.
backport-include/keys/asymmetric-type.h uses function memcmp but its
caller compat/verification/verify.c and all its related header files
do not include string.h. The header file is usually included from
arch/arm/include/asm, but in this configuration, it doesn't. We need
to be safe and insure string.h is there.
Signed-off-by: Winnie Chang <winnie.chang@cypress.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If compiling on 3.13, struct genl_family isn't actually
struct backport_genl_family, and then family->family
doesn't exist. In other cases, it's actually necessary
to update it, so add an #ifdef with the same logic as
the override from genl_family -> backport_genl_family.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Family ID from the original family struct will be used when building
genl messages (sent as nlmsg_type), so the new id should be updated in
the original (older kernel format) family struct too
Signed-off-by: Aaron Komisar <aaron.komisar@tandemg.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The spatch tool made an incompatible change in the
attribute syntax, adjust to that and require the
new version.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In kernel 4.15 the field sk_pacing_shift was introduced to allow
(wifi) drivers to change the behaviour of TSQ. In 4.16 a helper
function was added which mac80211 is using. So backport the helper
which is just a stub for kernels prior to 4.15.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This macro definition was added in 4.17-rc1 and used by mac80211
so add it to backport.
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Few patches do not apply to source code in v4.17-rc1 so updating
those.
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This seems to be generated by newer kernels when building,
add it to the gitignore.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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linux-stable 4fa8bc949de11c99ee2433c602d43f87c452f4f2 renamed
*-asn1.[ch] files to *.asn1.[ch]. Make the corresponding change
for backports.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This adds the staging Realtek drivers which are making use of cfg80211
and mac80211.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The mt76 driver uses the devm_led_classdev_register() function which
was added in kernel 4.1, do not build this driver on older kernel
versions.
It is probably not so hard to make this driver also work on older kernel
versions.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In Linux commit d19c3d91d1cf3 ("Revert "net: use lib/percpu_counter API
for fragmentation mem accounting"") the sub_frag_mem_limit() and
add_frag_mem_limit() functions were changed back to the old versions.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit 42ab19ee90292 ("net: Add extack to upper device linking") which
added an extra parameter to netdev_upper_dev_link() was added with
kernel 4.15 and was not backported to kernel 4.14, activate this
backport already for kernel 4.14.
Fixes: 8cdd85766293 ("backports: add netdev_upper_dev_link() extack argument")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function was added in commit d6d29896c665d ("timekeeping: Provide
timespec64 based interfaces"). We can just use the 32 bit version
instated as the rest was already backported in backports commit
ea8b7cd797ca0c ("backports: deal with struct timespec64 changes)".
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function was added in commit dbe7aa622db96b ("timekeeping: Provide
y2038 safe accessor to the seconds portion of CLOCK_REALTIME") and is
used by multiple realtek drivers.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Older kernel versions do not have the include linux/nospec.h with the
function array_index_nospec, provide a dummy implementation for these
kernel versions and forward the call the the real version for capable
kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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DEFINE_DEBUGFS_ATTRIBUTE and debugfs_create_file_unsafe() were
introduced in mainline commit c6468808149 ("debugfs: add support for
self-protecting attribute file fops"), but on older kernel versions
where we do not have this extra security in debugfs we can use the older
functions instead.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This prevents some compile problems in rtlwifi.
Without this patch I am getting a compile error in
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/table.c with multiple
kernel versions because BUILD_BUG_ON_ZERO is implicitly defined.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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__poll_t was added for kernel 4.15 in commit 8ced390c2b ("define
__poll_t, annotate constants"), add it here for older kernel versions.
Multiple drivers are using this type.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The POLL constants are getting replaced with the EPOLL constants. In
this process commit e78cd95bebd9 ("preparation to switching ->poll() to
returning EPOLL...") added an additional include to linux/poll.h. Some
drivers make use of this indirect include now and fail to compile
without it.
Older kernel versions do not define all the EPON constants so add them
if they are not available.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use the unsigned long parameters on kernel versions < 4.15 for the
DEFINE_TIMER callback. This was changed in Linux mainline commit
24ed960abf1d ("treewide: Switch DEFINE_TIMER callbacks to struct
timer_list *")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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DEFINE_TIMER only has 2 parameters since kernel commit 1d27e3e2252ba
("timer: Remove expires and data arguments from DEFINE_TIMER") which was
added with kernel 4.15. Add a version which translates between the new
and the old API.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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No manual changes needed.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Mistakenly, the percpu.h file was added to a new backport-include
directory at the root. It should be in the proper location at
backport/backport-include instead. Fix that.
Fixes: a4c44dbee35d ("backport: implement alloc_percpu_gfp() for < 3.18.")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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mac80211 now uses the alloc_percpu_gfp() function, which doesn't exist
in kernels older than 3.18. Backport it accordingly.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The verification code has some large data variables that are allocated
in the stack. Increase the maximum stack frame size in the compiler
check slightly (from 1024 to 1280) to prevent harmless warnings.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The verification code was copied from userspace code which includes
stddef.h. In the kernel, this header should not be included, so
remove those cases.
Fixes: 988e2af4b7a0 ("backports: add signature verification code")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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