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4ddc844eb8
linux/tools/testing/selftests
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Davide Caratti 4ddc844eb8 net/sched: act_police: more accurate MTU policing 
in current Linux, MTU policing does not take into account that packets at
the TC ingress have the L2 header pulled. Thus, the same TC police action
(with the same value of tcfp_mtu) behaves differently for ingress/egress.
In addition, the full GSO size is compared to tcfp_mtu: as a consequence,
the policer drops GSO packets even when individual segments have the L2 +
L3 + L4 + payload length below the configured valued of tcfp_mtu.

Improve the accuracy of MTU policing as follows:
 - account for mac_len for non-GSO packets at TC ingress.
 - compare MTU threshold with the segmented size for GSO packets.
Also, add a kselftest that verifies the correct behavior.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-14 11:15:04 +00:00
..
alsa kselftest: alsa: Validate values read from enumerations 2021-12-25 09:13:28 +01:00
arm64 kselftest/arm64: Correct logging of FPSIMD register read via ptrace 2022-01-28 11:30:51 +00:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-02-09 18:40:56 -08:00
breakpoints
capabilities
cgroup linux-kselftest-next-5.17-rc1 2022-01-10 12:08:12 -08:00
clone3 selftests: fixup build warnings in pidfd / clone3 tests 2022-02-04 13:07:07 -07:00
core selftests/core: remove ARRAY_SIZE define from close_range_test.c 2021-12-10 17:50:38 -07:00
cpu-hotplug
cpufreq selftests: cpufreq: Write test output to stdout as well 2022-01-25 13:20:03 -07:00
damon selftests/damon: split test cases 2021-12-10 17:10:56 -08:00
dma
dmabuf-heaps
drivers selftests: mlxsw: devlink_trap_tunnel_vxlan: Fix 'decap_error' case 2021-12-23 11:24:01 +00:00
efivarfs
exec selftests/exec: Remove pipe from TEST_GEN_FILES 2022-01-27 11:01:20 -07:00
filesystems selftests/binderfs: add test for feature files 2021-07-21 13:46:36 +02:00
firmware selftests: firmware: Fix ignored return val of asprintf() warn 2021-07-21 16:11:42 +02:00
fpu
ftrace selftests/ftrace: make kprobe profile testcase description unique 2021-12-10 16:46:01 -07:00
futex selftests: futex: Use variable MAKE instead of make 2022-01-27 16:29:23 -07:00
gpio gpio updates for v5.17 2022-01-11 12:31:35 -08:00
ia64
intel_pstate
ipc
ir selftests/ir: fix build with ancient kernel headers 2022-02-04 13:14:41 -07:00
kcmp
kexec selftests/kexec: Enable secureboot tests for PowerPC 2022-01-05 11:44:57 -05:00
kmod
kselftest selftests/kselftest/runner/run_one(): allow running non-executable files 2021-11-09 10:02:53 -08:00
kvm selftests: kvm: check dynamic bits against KVM_X86_XCOMP_GUEST_SUPP 2022-01-28 07:38:25 -05:00
landlock selftests/landlock: remove ARRAY_SIZE define from common.h 2021-12-10 17:50:51 -07:00
lib
livepatch
lkdtm selftest/lkdtm: Skip stack-entropy test if lkdtm is not available 2021-12-16 15:54:38 -08:00
locking
media_tests
membarrier
memfd selftests/memfd: remove unused variable 2021-09-08 11:50:28 -07:00
memory-hotplug mm/memory_hotplug: remove CONFIG_MEMORY_HOTPLUG_SPARSE 2021-11-06 13:30:42 -07:00
mincore selftests: skip mincore.check_file_mmap when fs lacks needed support 2022-01-27 16:40:45 -07:00
mount selftests/mount: remove unneeded conversion to bool 2021-12-10 16:46:01 -07:00
mount_setattr
move_mount_set_group selftests/move_mount_set_group remove unneeded conversion to bool 2021-12-10 16:46:01 -07:00
mqueue
nci selftests: nci: replace unsigned int with int 2021-09-16 13:55:51 +01:00
net net/sched: act_police: more accurate MTU policing 2022-02-14 11:15:04 +00:00
netfilter selftests: nft_concat_range: add test for reload with no element add/del 2022-01-27 00:07:46 +01:00
nsfs
ntb
openat2 selftests: openat2: Skip testcases that fail with EOPNOTSUPP 2022-01-27 16:31:07 -07:00
perf_events selftests/perf_events: Test modification of perf_event_attr::sig_data 2022-02-02 13:11:40 +01:00
pid_namespace
pidfd selftests: fixup build warnings in pidfd / clone3 tests 2022-02-04 13:07:07 -07:00
powerpc selftests/powerpc: Add a test of sigreturning to an unaligned address 2021-12-25 10:56:05 +11:00
prctl
proc procfs: do not list TID 0 in /proc/<pid>/task 2021-11-09 10:02:48 -08:00
pstore
ptp testptp: set pin function before other requests 2022-01-05 17:08:58 -08:00
ptrace
rcutorture Merge branches 'doc.2021.11.30c', 'exp.2021.12.07a', 'fastnohz.2021.11.30c', 'fixes.2021.11.30c', 'nocb.2021.12.09a', 'nolibc.2021.11.30c', 'tasks.2021.12.09a', 'torture.2021.12.07a' and 'torturescript.2021.11.30c' into HEAD 2021-12-09 11:38:09 -08:00
resctrl
rlimits
rseq selftests/rseq: remove ARRAY_SIZE define from individual tests 2021-12-10 17:51:03 -07:00
rtc selftests: rtc: Increase test timeout so that all tests run 2022-01-25 13:16:01 -07:00
safesetid selftests: safesetid: Fix spelling mistake "cant" -> "can't" 2021-08-26 15:15:24 -06:00
sched kselftests/sched: cleanup the child processes 2021-10-05 15:51:43 +02:00
seccomp linux-kselftest-next-5.17-rc1 2022-01-10 12:08:12 -08:00
sgx selftests/sgx: Fix corrupted cpuid macro invocation 2021-12-17 08:52:33 -08:00
sigaltstack
size
sparc64 selftests/sparc64: remove ARRAY_SIZE define from adi-test 2021-12-10 17:51:15 -07:00
splice
static_keys
sync selftests/sync: Remove the deprecated config SYNC 2021-08-31 10:58:00 -06:00
syscall_user_dispatch
sysctl
tc-testing selftests: tc-testing: add action offload selftest for action and filter 2021-12-19 14:08:48 +00:00
timens selftests/timens: remove ARRAY_SIZE define from individual tests 2021-12-10 17:51:20 -07:00
timers selftests: timers: Remove unneeded semicolon 2021-12-10 16:46:00 -07:00
tmpfs
tpm2
uevent
user
vDSO kselftest: Fix vdso_test_abi return status 2022-01-31 10:35:14 -07:00
vm kselftest/vm: revert "tools/testing/selftests/vm/userfaultfd.c: use swap() to make code cleaner" 2022-02-04 09:25:05 -08:00
watchdog
wireguard wireguard: device: reset peer src endpoint when netns exits 2021-11-29 19:50:45 -08:00
x86 linux-kselftest-next-5.16-rc1 2021-11-02 22:00:17 -07:00
zram selftests/zram: Adapt the situation that /dev/zram0 is being used 2022-01-27 10:59:02 -07:00
.gitignore
gen_kselftest_tar.sh
kselftest_deps.sh
kselftest_harness.h kselftest: signal all child processes 2022-01-25 13:48:21 -07:00
kselftest_install.sh
kselftest_module.h
kselftest.h tools: fix ARRAY_SIZE defines in tools and selftests hdrs 2021-12-10 17:50:17 -07:00
lib.mk selftests: cgroup: build error multiple outpt files 2021-12-10 16:46:01 -07:00
Makefile kselftest: alsa: Add simplistic test for ALSA mixer controls kselftest 2021-12-12 10:04:27 +01:00
run_kselftest.sh