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Johannes Berg 12b74dfadb ipv4: add option to drop unicast encapsulated in L2 multicast 
In order to solve a problem with 802.11, the so-called hole-196 attack,
add an option (sysctl) called "drop_unicast_in_l2_multicast" which, if
enabled, causes the stack to drop IPv4 unicast packets encapsulated in
link-layer multi- or broadcast frames. Such frames can (as an attack)
be created by any member of the same wireless network and transmitted
as valid encrypted frames since the symmetric key for broadcast frames
is shared between all stations.

Additionally, enabling this option provides compliance with a SHOULD
clause of RFC 1122.

Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-11 04:27:35 -05:00
..
ABI
Initial roundup of 4.5 merge window patches
2016-01-23 18:45:06 -08:00
accounting
Documentation-getdelays: Apply a recommendation from "checkpatch.pl" in main()
2015-12-24 07:22:32 -07:00
acpi
mfd: core: redo ACPI matching of the children devices
2015-10-26 15:25:53 +01:00
aoe
…
arm
ARM: SoC multiplatform code changes for v4.5
2016-01-20 18:03:56 -08:00
arm64
arm64: Documentation: add list of software workarounds for errata
2015-12-11 17:33:21 +00:00
auxdisplay
…
backlight
…
blackfin
Docs: blackfin: Use new switch macro SAMPLE_IRQ_TIMER instead of IRQ_TIMER5
2015-05-07 09:35:14 -06:00
block
A relatively boring cycle in the docs tree. There's a few kernel-doc
2016-01-17 11:55:07 -08:00
blockdev
zram: update documentation
2015-09-24 15:39:42 -06:00
bus-devices
…
cdrom
…
cgroup-v1
cgroup: rename cgroup documentations
2016-01-11 23:14:51 -05:00
cma
cma: debug: document new debugfs interface
2015-04-14 16:49:00 -07:00
connector
…
console
…
cpu-freq
Documentation: cpufreq: intel_pstate: enhance documentation
2016-01-05 13:47:37 +01:00
cpuidle
…
cris
…
crypto
KEYS: Merge the type-specific data with the payload data
2015-10-21 15:18:36 +01:00
development-process
…
device-mapper
dm verity: add ignore_zero_blocks feature
2015-12-10 10:39:03 -05:00
devicetree
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-02-01 15:56:08 -08:00
dmaengine
Merge branch 'topic/async' into for-linus
2016-01-06 15:17:47 +05:30
DocBook
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
2016-01-17 13:40:25 -08:00
driver-model
driver-core: platform: Provide helpers for multi-driver modules
2015-10-05 05:02:40 +01:00
dvb
[media] use https://linuxtv.org for LinuxTV URLs
2015-12-04 10:38:59 -02:00
early-userspace
…
EDID
…
extcon
…
fault-injection
net: Add support for CHANGEUPPER notifier error injection
2015-12-03 11:49:23 -05:00
fb
Documentation/fb: add documentation for sm712fb
2015-08-07 15:05:01 -07:00
features
dma-mapping: always provide the dma_map_ops based implementation
2016-01-20 17:09:18 -08:00
filesystems
Documentation/filesystems/vfat.txt: update the limitation for fat fallocate
2016-01-20 17:09:18 -08:00
firmware_class
…
fmc
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fpga
usage documentation for FPGA manager core
2015-10-07 18:07:20 +01:00
frv
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gpio
Doc: gpio: Fix typos in Documentation/gpio
2015-11-20 16:51:16 -07:00
hid
HID: sensor: Update document for custom sensor
2015-04-10 22:22:56 +02:00
hwmon
hwmon: (pmbus) Add client driver for LTC3815
2015-12-18 08:20:59 -08:00
i2c
i2c: i801: add Intel Lewisburg device IDs
2015-11-20 16:22:21 +01:00
ia64
…
ide
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iio
iio: Documentation: Add IIO configfs documentation
2015-12-03 18:19:28 +00:00
infiniband
IB: remove in-kernel support for memory windows
2015-12-23 14:29:04 -05:00
input
Input: add userio module
2015-10-27 18:55:31 -07:00
ioctl
Doc: ioctl: Fix typos in Documentation/ioctl
2015-11-20 16:52:50 -07:00
isdn
…
ja_JP
Documentation: translations: update linux cross reference link
2016-01-11 18:26:58 -07:00
kbuild
kbuild: document recursive dependency limitation / resolution
2015-10-08 15:36:16 +02:00
kdump
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ko_KR
Documentation: translations: update linux cross reference link
2016-01-11 18:26:58 -07:00
laptops
Move freefall program from Documentation/ to tools/
2015-06-08 16:42:07 -06:00
leds
Documentation: leds: Add description of brightness setting API
2016-01-04 09:57:31 +01:00
locking
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-11-03 16:10:43 -08:00
m68k
…
memory-devices
…
metag
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mic
misc: mic: Update MIC host daemon with COSM changes
2015-10-04 12:54:54 +01:00
mips
…
misc-devices
Doc:misc-devices: Fix typo in Documentation/misc-devices
2015-09-18 10:04:24 -06:00
mmc
mmc: core: Remove MMC_CLKGATE
2015-10-26 16:00:09 +01:00
mn10300
…
mtd
Documentation: mtd: improve nand_ecc.txt for readability and correctness
2015-11-17 17:05:14 -08:00
namespaces
…
netlabel
…
networking
ipv4: add option to drop unicast encapsulated in L2 multicast
2016-02-11 04:27:35 -05:00
nfc
NFC: Fix typo in nfc-hci.txt
2015-06-08 23:15:45 +02:00
nios2
…
nvdimm
libnvdimm: documentation clarifications
2015-11-12 09:55:23 -08:00
nvmem
Documentation: nvmem: add nvmem api level and how-to doc
2015-08-05 13:43:45 -07:00
parisc
…
PCI
The documentation tree update for 4.1. Numerous fixes, the overdue removal
2015-04-18 11:10:49 -04:00
pcmcia
pcmcia: Fix typo in locking documentation
2015-08-07 14:34:58 +02:00
phy
…
platform
…
power
Merge branches 'pm-pci' and 'pm-core'
2016-01-12 01:10:52 +01:00
powerpc
SCSI misc on 20150901
2015-09-02 12:22:54 -07:00
pps
Doc: pps: Fix file name in pps.txt
2015-07-14 12:35:42 -06:00
prctl
Documentation/prctl: don't build tsc tests when cross compiling
2015-06-22 16:05:04 -06:00
pti
…
ptp
testptp: Silence compiler warnings on ppc64
2015-09-29 21:16:56 -07:00
rapidio
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RCU
documentation: Update RCU requirements based on expedited changes
2015-12-05 12:34:32 -08:00
s390
s390/zcore: remove /sys/kernel/debug/zcore/mem
2015-11-27 09:24:12 +01:00
scheduler
sched/dl/Documentation: Split Section 3
2015-05-19 08:39:21 +02:00
scsi
st: allow debug output to be enabled or disabled via sysfs
2015-11-09 17:17:27 -08:00
security
keys, trusted: seal with a TPM2 authorization policy
2015-12-20 15:27:13 +02:00
serial
Documentation: improve line discipline method descriptions
2015-10-05 04:53:26 +01:00
sh
…
sound
ASoC: img: Add documentation for SPDIF in controls
2015-11-16 10:06:58 +00:00
spi
spi: tools: move spidev_test metadata
2015-11-30 12:14:12 +00:00
sysctl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-22 10:24:03 -08:00
target
target: use per-attribute show and store methods
2015-10-13 22:17:49 -07:00
thermal
thermal: add description for integral_cutoff unit
2016-01-14 13:29:08 -07:00
timers
…
tpm
…
trace
x86, tracing, perf: Add trace point for MSR accesses
2015-12-06 12:56:10 +01:00
usb
The chipidea changes for v4.5-rc1
2015-12-26 16:59:14 -08:00
vDSO
Documentation/vDSO: don't build tests when cross compiling
2015-06-22 16:04:57 -06:00
video4linux
[media] media framework: rename pads init function to media_entity_pads_init()
2016-01-11 12:19:03 -02:00
virtual
KVM doc: Fix KVM_SMI chapter number
2016-01-26 16:29:59 +01:00
vm
Merge branch 'akpm' (patches from Andrew)
2016-01-17 12:58:52 -08:00
w1
w1: masters: omap_hdq: add support for 1-wire mode
2015-10-05 04:47:09 +01:00
watchdog
watchdog: Drop pointer to watchdog device from struct watchdog_device
2016-01-11 21:53:59 +01:00
wimax
…
x86
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-09-01 10:07:40 -07:00
xtensa
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zh_CN
[media] media framework: rename pads init function to media_entity_pads_init()
2016-01-11 12:19:03 -02:00
00-INDEX
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adding-syscalls.txt
Documentation: describe how to add a system call
2015-08-13 17:54:06 -06:00
applying-patches.txt
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assoc_array.txt
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atomic_ops.txt
locking/atomics, cmpxchg: Privatize the inclusion of asm/cmpxchg.h
2015-09-13 10:35:46 +02:00
bad_memory.txt
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basic_profiling.txt
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bcache.txt
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binfmt_misc.txt
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braille-console.txt
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bt8xxgpio.txt
…
btmrvl.txt
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BUG-HUNTING
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bus-virt-phys-mapping.txt
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cachetlb.txt
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cgroup-v2.txt
mm: memcontrol: basic memory statistics in cgroup2 memory controller
2016-01-20 17:09:18 -08:00
Changes
There is a nice new document from Neil on how pathname lookups work and
2015-11-05 15:59:24 -08:00
circular-buffers.txt
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clk.txt
clk: change clk_ops' ->determine_rate() prototype
2015-07-27 18:12:01 -07:00
coccinelle.txt
…
CodeOfConflict
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CodingStyle
Documentation: fix typo in CodingStyle
2016-01-11 18:18:16 -07:00
cpu-hotplug.txt
Documentation: cpu-hotplug: Fix sysfs mount instructions
2015-12-10 11:35:30 -07:00
cpu-load.txt
…
cputopology.txt
Documentation: Update cputopology.txt
2015-05-27 15:22:15 +02:00
crc32.txt
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dcdbas.txt
…
debugging-modules.txt
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debugging-via-ohci1394.txt
Doc: Change wikipedia's URL from http to https
2015-06-22 10:14:05 -06:00
dell_rbu.txt
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devices.txt
…
digsig.txt
…
DMA-API-HOWTO.txt
dma-mapping: always provide the dma_map_ops based implementation
2016-01-20 17:09:18 -08:00
DMA-API.txt
DMA-API: fix confusing sentence in Documentation/DMA-API.txt
2016-01-11 18:29:00 -07:00
DMA-attributes.txt
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dma-buf-sharing.txt
dma-buf: cleanup dma_buf_export() to make it easily extensible
2015-04-21 14:47:16 +05:30
DMA-ISA-LPC.txt
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dontdiff
Documentation: dontdiff: remove media from dontdiff
2015-11-11 10:08:07 -07:00
dynamic-debug-howto.txt
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edac.txt
EDAC: Remove references to bluesmoke.sourceforge.net
2015-11-26 14:46:06 +01:00
efi-stub.txt
…
eisa.txt
…
email-clients.txt
A few more documentation patches that wandered in and have no reason to
2015-11-13 09:19:05 -08:00
flexible-arrays.txt
…
futex-requeue-pi.txt
…
gcov.txt
…
gdb-kernel-debugging.txt
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highuid.txt
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HOWTO
Documentation: HOWTO: update code cross reference link
2015-12-10 11:19:35 -07:00
hsi.txt
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hw_random.txt
hwrng: doc - Fix device node name reference /dev/hw_random => /dev/hwrng
2015-09-21 22:00:41 +08:00
hwspinlock.txt
hwspinlock/core: add device tree support
2015-05-02 09:54:30 +03:00
init.txt
…
initrd.txt
…
intel_txt.txt
…
Intel-IOMMU.txt
iommu/vt-d: Fix link to Intel IOMMU Specification
2016-01-29 12:32:12 +01:00
io_ordering.txt
…
io-mapping.txt
…
iostats.txt
…
IPMI.txt
ipmi watchdog : add panic_wdt_timeout parameter
2015-11-16 06:28:43 -06:00
IRQ-affinity.txt
…
IRQ-domain.txt
irqdomain: Documentation updates
2015-10-13 19:01:25 +02:00
IRQ.txt
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irqflags-tracing.txt
…
isapnp.txt
…
java.txt
…
kasan.txt
mm, slub, kasan: enable user tracking by default with KASAN=y
2015-11-05 19:34:48 -08:00
kernel-doc-nano-HOWTO.txt
Documenation: Update location of docproc.c
2015-07-14 12:36:39 -06:00
kernel-docs.txt
Documentation: translations: update linux cross reference link
2016-01-11 18:26:58 -07:00
kernel-parameters.txt
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-01-24 12:50:56 -08:00
kernel-per-CPU-kthreads.txt
irq_poll: make blk-iopoll available outside the block layer
2015-12-11 11:52:24 -08:00
kmemcheck.txt
Documentation: update the CONFIG_DEBUG_PAGEALLOC description
2015-03-20 07:41:55 -06:00
kmemleak.txt
Doc: Change wikipedia's URL from http to https
2015-06-22 10:14:05 -06:00
kobject.txt
…
kprobes.txt
kprobes: Update Documentation/kprobes.txt
2015-03-20 07:41:55 -06:00
kref.txt
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kselftest.txt
Documentation: Update kselftest.txt
2015-09-24 15:51:53 -06:00
ldm.txt
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local_ops.txt
…
lockup-watchdogs.txt
kernel/watchdog.c: add sysctl knob hardlockup_panic
2015-11-05 19:34:48 -08:00
logo.gif
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logo.txt
…
lzo.txt
…
magic-number.txt
Documentation/magic-number: Remove SCC_MAGIC
2015-05-13 15:39:04 -04:00
mailbox.txt
Documentation: minor typo fix in mailbox.txt
2015-08-13 18:03:18 -06:00
Makefile
spi: Move spi code from Documentation to tools
2015-11-23 14:54:01 +00:00
ManagementStyle
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md-cluster.txt
md-cluster: update the documentation
2016-01-06 11:39:06 +11:00
md.txt
doc:md: fix typo in md.txt.
2015-06-23 06:49:44 -06:00
memory-barriers.txt
virtio: barrier rework+fixes
2016-01-18 16:44:24 -08:00
memory-hotplug.txt
mem-hotplug: fix typo in Documentation/memory-hotplug.txt
2015-03-20 07:41:55 -06:00
men-chameleon-bus.txt
Documentation: Minor changes to men-chameleon-bus.txt
2015-07-24 15:15:17 +02:00
module-signing.txt
Move certificate handling to its own directory
2015-08-14 16:06:13 +01:00
mono.txt
…
nommu-mmap.txt
…
ntb.txt
NTB: Rename Intel code names to platform names
2015-07-04 14:09:25 -04:00
numastat.txt
…
oops-tracing.txt
…
padata.txt
…
parport-lowlevel.txt
…
parport.txt
…
percpu-rw-semaphore.txt
…
phy.txt
phy: core: Add devm_of_phy_get_by_index to phy-core
2015-05-11 21:42:23 +05:30
pi-futex.txt
…
pinctrl.txt
pinctrl: move strict option to pinmux_ops
2015-05-06 14:45:19 +02:00
pnp.txt
…
preempt-locking.txt
x86/fpu: Rename math_state_restore() to fpu__restore()
2015-05-19 15:47:18 +02:00
printk-formats.txt
printk-formats.txt: remove unimplemented %pT
2016-01-16 11:17:30 -08:00
pwm.txt
…
ramoops.txt
…
rbtree.txt
documentation: fix small typo in rbtree.txt
2015-09-13 14:38:50 -06:00
remoteproc.txt
remoteproc: introduce rproc_get_by_phandle API
2015-06-16 21:12:52 +03:00
rfkill.txt
…
robust-futex-ABI.txt
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robust-futexes.txt
…
rpmsg.txt
…
rtc.txt
Documentation, split up rtc.txt into documentation and test file
2015-03-24 22:01:58 -06:00
SAK.txt
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SecurityBugs
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serial-console.txt
…
sgi-ioc4.txt
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SM501.txt
…
smsc_ece1099.txt
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sparse.txt
…
stable_api_nonsense.txt
…
stable_kernel_rules.txt
stable_kernel_rules.txt: Remove extra space after Cc:
2015-11-20 16:54:57 -07:00
static-keys.txt
locking/static_keys: Fix up the static keys documentation
2015-09-15 07:12:06 +02:00
SubmitChecklist
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SubmittingDrivers
…
SubmittingPatches
A few more documentation patches that wandered in and have no reason to
2015-11-13 09:19:05 -08:00
svga.txt
…
sysfs-rules.txt
…
sysrq.txt
mm, oom: do not panic for oom kills triggered from sysrq
2015-09-08 15:35:28 -07:00
this_cpu_ops.txt
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ubsan.txt
UBSAN: run-time undefined behavior sanity checker
2016-01-20 17:09:18 -08:00
unaligned-memory-access.txt
…
unicode.txt
…
unshare.txt
…
vfio.txt
vfio: powerpc/spapr: Support Dynamic DMA windows
2015-06-11 15:16:55 +10:00
VGA-softcursor.txt
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vgaarbiter.txt
…
video-output.txt
…
vme_api.txt
Documentation: mention vme_master_mmap() in VME API
2015-06-12 17:26:56 -07:00
volatile-considered-harmful.txt
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workqueue.txt
workqueue: fix trivial typo in Documentation/workqueue.txt
2015-05-05 09:50:38 -04:00
xillybus.txt
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xz.txt
…
zorro.txt
…