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Add a new test script to the network selftests which tests getting and
setting of layer 2 addresses through netlink, including the newly added
support for setting a permaddr on netdevsim devices.
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250710-netdevsim-perm_addr-v4-2-c9db2fecf3bf@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR (net-6.16-rc6-2).
No conflicts.
Adjacent changes:
drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
c701574c5412 ("wifi: mt76: mt7925: fix invalid array index in ssid assignment during hw scan")
b3a431fe2e39 ("wifi: mt76: mt7925: fix off by one in mt7925_mcu_hw_scan()")
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
62da647a2b20 ("wifi: mt76: mt7996: Add MLO support to mt7996_tx_check_aggr()")
dc66a129adf1 ("wifi: mt76: add a wrapper for wcid access with validation")
drivers/net/wireless/mediatek/mt76/mt7996/main.c
3dd6f67c669c ("wifi: mt76: Move RCU section in mt7996_mcu_add_rate_ctrl()")
8989d8e90f5f ("wifi: mt76: mt7996: Do not set wcid.sta to 1 in mt7996_mac_sta_event()")
net/mac80211/cfg.c
58fcb1b4287c ("wifi: mac80211: reject VHT opmode for unsupported channel widths")
037dc18ac3fb ("wifi: mac80211: add support for storing station S1G capabilities")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I got the following warning when writing other tests:
+ handle_test_result_pass 'bond 802.3ad' '(lacp_active off)'
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ log_test_result 'bond 802.3ad' '(lacp_active off)' ' OK '
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ local 'result= OK '
+ shift
+ local retmsg=
+ shift
/net/tools/testing/selftests/net/forwarding/../lib.sh: line 315: shift: shift count out of range
This happens because an extra shift is executed even after all arguments
have been consumed. Remove the last shift in log_test_result() to avoid
this warning.
Fixes: a923af1ceee7 ("selftests: forwarding: Convert log_test() to recognize RET values")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250709091244.88395-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a helper to determine whether a given netdevice has a given flag.
Rewrite ip_link_is_up() in terms of the new helper.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/e1eb174a411f9d24735d095984c731d1d4a5a592.1750113335.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The function wait_local_port_listen() is the only function defined in
net_helper.sh. Since some tests source both lib.sh and net_helper.sh,
we can simplify the setup by moving wait_local_port_listen() to lib.sh.
With this change, net_helper.sh becomes redundant and can be removed.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250526014600.9128-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some distributions enable rp_filter globally by default. To ensure consistent
behavior across environments, we explicitly disable it in several test cases.
This patch moves the rp_filter disabling logic to immediately after the
network namespace is initialized. With this change, individual test cases
with creating namespace via setup_ns no longer need to disable rp_filter
again.
This helps avoid redundancy and ensures test consistency.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250508081910.84216-2-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Verify that TCP connections use both routes when connecting multiple
times to a remote service over a two nexthop multipath route.
Use socat to create the connections. Use tc prio + tc filter to
count routes taken, counting SYN packets across the two egress
devices. Also verify that the saddr matches that of the device.
To avoid flaky tests when testing inherently randomized behavior,
set a low bar and pass if even a single SYN is observed on each
device.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20250424143549.669426-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Netdevsim has extra register_netdevice_notifier_dev_net notifiers,
use netdevim instead of dummy device to test them out.
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250401163452.622454-9-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This helper could be useful to more than just forwarding tests.
Move it upstairs and port over to log_test_skip().
Split the function into two parts: the bit that actually checks and
reports skip, which is in a new function check_command(). And a bit
that exits the test script if the check fails. This allows users
consistent checking behavior while giving an option to bail out from
a single test without bailing out of the whole script.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Alongside the helper ip_link_set_up(), one to set the link down will be
useful as well. Add a helper to determine the link state as well,
ip_link_is_up(), and use it to short-circuit any changes if the state is
already the desired one.
Furthermore, add a helper bridge_vlan_add().
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/856d9e01725fdba21b7f6716358f645b19131af2.1734540770.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add ip_link_set_addr(), ip_link_set_up(), ip_addr_add() and ip_route_add()
to the suite of helpers that automatically schedule a corresponding
cleanup.
When setting a new MAC, one needs to remember the old address first. Move
mac_get() from forwarding/ to that end.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/add6bcbe30828fd01363266df20c338cf13aaf25.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Let's have a verb in that function name to make it clearer what's going on.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/fbf7c53a429b340b9cff5831280ea8c305a224f9.1733412063.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check that only one notification is produced for various FDB edit
operations.
Regarding the ip_link_add() and ip_link_master() helpers. This pattern of
action plus corresponding defer is bound to come up often, and a dedicated
vocabulary to capture it will be handy. tunnel_create() and vlan_create()
from forwarding/lib.sh are somewhat opaque and perhaps too kitchen-sinky,
so I tried to go in the opposite direction with these ones, and wrapped
only the bare minimum to schedule a corresponding cleanup.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/910c5880ae6d3b558d6889cbdba2be690c2615c6.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A number of selftests run processes in the background and need to kill them
afterwards. Instead for everyone to open-code the kill / wait / redirect
mantra, add a helper in net/lib.sh. Convert existing open-code sites.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Link: https://patch.msgid.link/a9db102067d741c118f0bd93b10c75e2a34665ea.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For logging to be useful, something has to set RET and retmsg by calling
ret_set_ksft_status(). There is a suite of functions to that end in
forwarding/lib: check_err, check_fail et.al. Move them to net/lib.sh so
that every net test can use them.
Existing lib.sh users might be using these same names for their functions.
However lib.sh is always sourced near the top of the file (checked), and
whatever new definitions will simply override the ones provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/f488a00dc85b8e0c1f3c71476b32b21b5189a847.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It would be good to use the same mechanism for scheduling and dispatching
general net tests as the many forwarding tests already use. To that end,
move the logging helpers to net/lib.sh so that every net test can use them.
Existing lib.sh users might be using the name themselves. However lib.sh is
always sourced near the top of the file (checked), and whatever new
definition will simply override the one provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/a6fc083486493425b2c61185c327845b6ce3233a.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Many net selftests invent their own logging helpers. These really should be
in a library sourced by these tests. Currently forwarding/lib.sh has a
suite of perfectly fine logging helpers, but sourcing a forwarding/ library
from a higher-level directory smells of layering violation. In this patch,
move the logging helpers to net/lib.sh so that every net test can use them.
Together with the logging helpers, it's also necessary to move
pause_on_fail(), and EXIT_STATUS and RET.
Existing lib.sh users might be using these same names for their functions
or variables. However lib.sh is always sourced near the top of the
file (checked), and whatever new definitions will simply override the ones
provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/edd3785a3bd72ffbe1409300989e993ee50ae98b.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In commit 8510801a9dbd ("selftests: drv-net: add ability to schedule
cleanup with defer()"), a defer helper was added to Python selftests.
The idea is to keep cleanup commands close to their dirtying counterparts,
thereby making it more transparent what is cleaning up what, making it
harder to miss a cleanup, and make the whole cleanup business exception
safe. All these benefits are applicable to bash as well, exception safety
can be interpreted in terms of safety vs. a SIGINT.
This patch therefore introduces a framework of several helpers that serve
to schedule cleanups in bash selftests:
- defer_scope_push(), defer_scope_pop(): Deferred statements can be batched
together in scopes. When a scope is popped, the deferred commands
scheduled in that scope are executed in the order opposite to order of
their scheduling.
- defer(): Schedules a defer to the most recently pushed scope (or the
default scope if none was pushed.)
- defer_prio(): Schedules a defer on the priority track. The priority defer
queue is run before the default defer queue when scope is popped.
The issue that this is addressing is specifically the one of restoring
devlink shared buffer threshold type. When setting up static thresholds,
one has to first change the threshold type to static, then override the
individual thresholds. When cleaning up, it would be natural to reset the
threshold values first, then change the threshold type. But the values
that are valid for dynamic thresholds are generally invalid for static
thresholds and vice versa. Attempts to restore the values first would be
bounced. Thus one has to first reset the threshold type, then adjust the
thresholds.
(You could argue that the shared buffer threshold type API is broken and
you would be right, but here we are.)
This cannot be solved by pure defers easily. I considered making it
possible to disable an existing defer, so that one could then schedule a
new defer and disable the original. But this forward-shifting of the
defer job would have to take place after every threshold-adjusting
command, which would make it very awkward to schedule these jobs.
- defer_scopes_cleanup(): Pops any unpopped scopes, including the default
one. The selftests that use defer should run this in their exit trap.
This is important to get cleanups of interrupted scripts.
- in_defer_scope(): Sometimes a function would like to introduce a new
defer scope, then run whatever it is that it wants to run, and then pop
the scope to run the deferred cleanups. The helper in_defer_scope() can
be used to run another command within such environment, such that any
scheduled defers run after the command finishes.
The framework is added as a separate file lib/sh/defer.sh so that it can be
used by all bash selftests, including those that do not currently use
lib.sh. lib.sh however includes the file by default, because ideally all
tests would use these helpers instead of hand-rolling their cleanups.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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A few tests check if nettest exists in the $PATH before adding
$PWD to $PATH and re-checking. They don't discard stderr on
the first check (and nettest is built as part of selftests,
so it's pretty normal for it to not be available in system $PATH).
This leads to output noise:
which: no nettest in (/home/virtme/tools/fs/bin:/home/virtme/tools/fs/sbin:/home/virtme/tools/fs/usr/bin:/home/virtme/tools/fs/usr/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin)
Add a common helper for the check which does silence stderr.
There is another small functional change hiding here, because pmtu.sh
and fib_rule_tests.sh used to return from the test case rather than
completely exit. Building nettest is not hard, there should be no need
to maintain the ability to selectively skip cases in its absence.
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20240821012227.1398769-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When deleting netns, it is possible to still have some tasks running,
e.g. background tasks like tcpdump running in the background, not
stopped because the test has been interrupted.
Before deleting the netns, it is then safer to kill all attached PIDs,
if any. That should reduce some noises after the end of some tests, and
help with the debugging of some issues. That's why this modification is
seen as a "fix".
Fixes: 25ae948b4478 ("selftests/net: add lib.sh")
Acked-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20240813-upstream-net-20240813-selftests-net-lib-kill-v1-1-27b689b248b8@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The argument $dir has a fallback value of "ingress". Move the fallback from
the usage site to the argument definition block to make the fact clearer.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The helper setup_ns() doesn't work when a net namespace named "ns" is
passed to it.
For example, in net/mptcp/diag.sh, the name of the namespace is "ns". If
"setup_ns ns" is used in it, diag.sh fails with errors:
Invalid netns name "./mptcp_connect"
Cannot open network namespace "10000": No such file or directory
Cannot open network namespace "10000": No such file or directory
That is because "ns" is also a local variable in setup_ns, and it will
not set the value for the global variable that has been giving in
argument. To solve this, we could rename the variable, but it sounds
better to drop it, as we can resolve the name using the variable passed
in argument instead.
The other local variables -- "ns_list" and "ns_name" -- are more
unlikely to conflict with existing global variables. They don't seem to
be currently used in any other net selftests.
Co-developed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240607-upstream-net-next-20240607-selftests-mptcp-net-lib-v1-4-e36986faac94@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It sounds good to mark the global netns variable as 'readonly', but Bash
doesn't allow the creation of local variables with the same name.
Because it looks like 'readonly' is mainly used here to check if a netns
with that name has already been set, it sounds fine to check if a
variable with this name has already been set instead. By doing that, we
avoid having to modify helpers from MPTCP selftests using the same
variable name as the one used to store the created netns name.
While at it, also avoid an unnecessary call to 'eval' to set a local
variable.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240607-upstream-net-next-20240607-selftests-mptcp-net-lib-v1-3-e36986faac94@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of only appending items to the list, removing them when the
netns has been deleted.
By doing that, we can make sure 'cleanup_all_ns()' is not trying to
remove already deleted netns.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240607-upstream-net-next-20240607-selftests-mptcp-net-lib-v1-2-e36986faac94@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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No need to disable errexit temporary, simply ignore the only possible
and not handled error.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240607-upstream-net-next-20240607-selftests-mptcp-net-lib-v1-1-e36986faac94@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Without this, the 'i' variable declared before could be overridden by
accident, e.g.
for i in "${@}"; do
__ksft_status_merge "${i}" ## 'i' has been modified
foo "${i}" ## using 'i' with an unexpected value
done
After a quick look, it looks like 'i' is currently not used after having
been modified in __ksft_status_merge(), but still, better be safe than
sorry. I saw this while modifying the same file, not because I suspected
an issue somewhere.
Fixes: 596c8819cb78 ("selftests: forwarding: Have RET track kselftest framework constants")
Acked-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-3-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If there is an error to create the first netns with 'setup_ns()',
'cleanup_ns()' will be called with an empty string as first parameter.
The consequences is that 'cleanup_ns()' will try to delete an invalid
netns, and wait 20 seconds if the netns list is empty.
Instead of just checking if the name is not empty, convert the string
separated by spaces to an array. Manipulating the array is cleaner, and
calling 'cleanup_ns()' with an empty array will be a no-op.
Fixes: 25ae948b4478 ("selftests/net: add lib.sh")
Cc: stable@vger.kernel.org
Acked-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-2-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If errexit is enabled ('set -e'), loopy_wait -- or busywait and others
using it -- will stop after the first failure.
Note that if the returned status of loopy_wait is checked, and even if
errexit is enabled, Bash will not stop at the first error.
Fixes: 25ae948b4478 ("selftests/net: add lib.sh")
Cc: stable@vger.kernel.org
Acked-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-1-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test arp_ndisc_untracked_subnets use tcpdump to filter the unsolicited
and untracked na messages. It set -e before calling tcpdump. But if
tcpdump filters 0 packet, it will return none zero, and cause the script
to exit.
Instead of using slow tcpdump to capture packets, let's using tc rule
to filter out the na message.
At the same time, fix function setup_v6 which only needs one parameter.
Move all the related helpers from forwarding lib.sh to net lib.sh.
Fixes: 0ea7b0a454ca ("selftests: net: arp_ndisc_untracked_subnets: test for arp_accept and accept_untracked_na")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240517010327.2631319-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There is no need to add the name to ns_list again if the netns already
recoreded.
Fixes: 25ae948b4478 ("selftests/net: add lib.sh")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bodies of busywait() and slowwait() functions are almost identical. Extract
the common code into a helper, loopy_wait, and convert busywait() and
slowwait() into trivial wrappers.
Moreover, the fact that slowwait() uses seconds for units is really not
intuitive, and the comment does not help much. Instead make the unit part
of the name of the argument to further clarify what units are expected.
Cc: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In a previous patch, the interpretation of RET value was changed to mean
the kselftest framework constant with the test outcome: $ksft_pass,
$ksft_xfail, etc.
Update log_test() to recognize the various possible RET values.
Then have EXIT_STATUS track the RET value of the current test. This differs
subtly from the way RET tracks the value: while for RET we want to
recognize XFAIL as a separate status, for purposes of exit code, we want to
to conflate XFAIL and PASS, because they both communicate non-failure. Thus
add a new helper, ksft_exit_status_merge().
With this log_test_skip() and log_test_xfail() can be reexpressed as thin
wrappers around log_test.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/e5f807cb5476ab795fd14ac74da53a731a9fc432.1711464583.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The variable RET keeps track of whether the test under execution has so far
failed or not. Currently it works in binary fashion: zero means everything
is fine, non-zero means something failed. log_test() then uses the value to
given a human-readable message.
In order to allow log_test() to report skips and xfails, the semantics of
RET need to be more fine-grained. Therefore have RET value be one of
kselftest framework constants: $ksft_fail, $ksft_xfail, etc.
The current logic in check_err() is such that first non-zero value of RET
trumps all those that follow. But that is not right when RET has more
fine-grained value semantics. Different outcomes have different weights.
The results of PASS and XFAIL are mostly the same: they both communicate a
test that did not go wrong. SKIP communicates lack of tooling, which the
user should go and try to fix, and as such should not be overridden by the
passes. So far, the higher-numbered statuses can be considered weightier.
But FAIL should be the weightiest.
Add a helper, ksft_status_merge(), which merges two statuses in a way that
respects the above conditions. Express it in a generic manner, because exit
status merge is subtly different, and we want to reuse the same logic.
Use the new helper when setting RET in check_err().
Re-express check_fail() in terms of check_err() to avoid duplication.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/7dfff51cc925c7a3ac879b9050a0d6a327c8d21f.1711464583.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The following patches will operate with more exit codes besides
ksft_skip. Add them here.
Additionally, move a duplicated skip exit code definition from
forwarding/tc_tunnel_key.sh. Keep a similar duplicate in
forwarding/devlink_lib.sh, because even though lib.sh will have
been sourced in all cases where devlink_lib is, the inclusion is not
visible in the file itself, and relying on it would be confusing.
Cc: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/545a03046c7aca0628a51a389a9b81949ab288ce.1711464583.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The current syntax of X=${X:=X} first evaluates the ${X:=Y} expression,
which either uses the existing value of $X if there is one, or uses the
value of "Y" as a fallback, and assigns it to X. The expression is then
replaced with the now-current value of $X. Assigning that value to X once
more is meaningless.
So avoid the outer X=... bit, and instead express the same idea though the
do-nothing ":" built-in as : "${X:=Y}". This also cleans up the block
nicely and makes it more readable.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Link: https://lore.kernel.org/r/1890ddc58420c2c0d5ba3154c87ecc6d9faf6947.1711464583.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The busywait timeout value is a millisecond, not a second. So the
current setting 2 is too small. On slow/busy host (or VMs) the
current timeout can expire even on "correct" execution, causing random
failures. Let's copy the WAIT_TIMEOUT from forwarding/lib.sh and set
BUSYWAIT_TIMEOUT here.
Fixes: 25ae948b4478 ("selftests/net: add lib.sh")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240124061344.1864484-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a global variable NS_LIST to store all the namespaces that setup_ns
created, so the caller could call cleanup_all_ns() instead of remember
all the netns names when using cleanup_ns().
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20231213060856.4030084-2-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a lib.sh for net selftests. This file can be used to define commonly
used variables and functions. Some commonly used functions can be moved
from forwarding/lib.sh to this lib file. e.g. busywait().
Add function setup_ns() for user to create unique namespaces with given
prefix name.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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