<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux.git/tools/testing/selftests/net, branch v5.12.5</title>
<subtitle>Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git</subtitle>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/'/>
<entry>
<title>selftests: mlxsw: Fix mausezahn invocation in ERSPAN scale test</title>
<updated>2021-05-19T08:56:20+00:00</updated>
<author>
<name>Petr Machata</name>
<email>petrm@nvidia.com</email>
</author>
<published>2021-04-23T12:19:48+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=d3f0131b86a9a016eb1577d556f540097675f1a5'/>
<id>d3f0131b86a9a016eb1577d556f540097675f1a5</id>
<content type='text'>
[ Upstream commit 1233898ab758cbcf5f6fea10b8dd16a0b2c24fab ]

The mirror_gre_scale test creates as many ERSPAN sessions as the underlying
chip supports, and tests that they all work. In order to determine that it
issues a stream of ICMP packets and checks if they are mirrored as
expected.

However, the mausezahn invocation missed the -6 flag to identify the use of
IPv6 protocol, and was sending ICMP messages over IPv6, as opposed to
ICMP6. It also didn't pass an explicit source IP address, which apparently
worked at some point in the past, but does not anymore.

To fix these issues, extend the function mirror_test() in mirror_lib by
detecting the IPv6 protocol addresses, and using a different ICMP scheme.
Fix __mirror_gre_test() in the selftest itself to pass a source IP address.

Signed-off-by: Petr Machata &lt;petrm@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 1233898ab758cbcf5f6fea10b8dd16a0b2c24fab ]

The mirror_gre_scale test creates as many ERSPAN sessions as the underlying
chip supports, and tests that they all work. In order to determine that it
issues a stream of ICMP packets and checks if they are mirrored as
expected.

However, the mausezahn invocation missed the -6 flag to identify the use of
IPv6 protocol, and was sending ICMP messages over IPv6, as opposed to
ICMP6. It also didn't pass an explicit source IP address, which apparently
worked at some point in the past, but does not anymore.

To fix these issues, extend the function mirror_test() in mirror_lib by
detecting the IPv6 protocol addresses, and using a different ICMP scheme.
Fix __mirror_gre_test() in the selftest itself to pass a source IP address.

Signed-off-by: Petr Machata &lt;petrm@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: mptcp: launch mptcp_connect with timeout</title>
<updated>2021-05-19T08:56:13+00:00</updated>
<author>
<name>Matthieu Baerts</name>
<email>matthieu.baerts@tessares.net</email>
</author>
<published>2021-04-01T23:19:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=1fe18e625a454dd87f8928015541c63062aaa168'/>
<id>1fe18e625a454dd87f8928015541c63062aaa168</id>
<content type='text'>
[ Upstream commit 5888a61cb4e00695075bbacfd86f3fa73af00413 ]

'mptcp_connect' already has a timeout for poll() but in some cases, it
is not enough.

With "timeout" tool, we will force the command to fail if it doesn't
finish on time. Thanks to that, the script will continue and display
details about the current state before marking the test as failed.
Displaying this state is very important to be able to understand the
issue. Best to have our CI reporting the issue than just "the test
hanged".

Note that in mptcp_connect.sh, we were using a long timeout to validate
the fact we cannot create a socket if a sysctl is set. We don't need
this timeout.

In diag.sh, we want to send signals to mptcp_connect instances that have
been started in the netns. But we cannot send this signal to 'timeout'
otherwise that will stop the timeout and messages telling us SIGUSR1 has
been received will be printed. Instead of trying to find the right PID
and storing them in an array, we can simply use the output of
'ip netns pids' which is all the PIDs we want to send signal to.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/160
Signed-off-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Mat Martineau &lt;mathew.j.martineau@linux.intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 5888a61cb4e00695075bbacfd86f3fa73af00413 ]

'mptcp_connect' already has a timeout for poll() but in some cases, it
is not enough.

With "timeout" tool, we will force the command to fail if it doesn't
finish on time. Thanks to that, the script will continue and display
details about the current state before marking the test as failed.
Displaying this state is very important to be able to understand the
issue. Best to have our CI reporting the issue than just "the test
hanged".

Note that in mptcp_connect.sh, we were using a long timeout to validate
the fact we cannot create a socket if a sysctl is set. We don't need
this timeout.

In diag.sh, we want to send signals to mptcp_connect instances that have
been started in the netns. But we cannot send this signal to 'timeout'
otherwise that will stop the timeout and messages telling us SIGUSR1 has
been received will be printed. Instead of trying to find the right PID
and storing them in an array, we can simply use the output of
'ip netns pids' which is all the PIDs we want to send signal to.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/160
Signed-off-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Mat Martineau &lt;mathew.j.martineau@linux.intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: net: mirror_gre_vlan_bridge_1q: Make an FDB entry static</title>
<updated>2021-05-14T08:53:03+00:00</updated>
<author>
<name>Petr Machata</name>
<email>petrm@nvidia.com</email>
</author>
<published>2021-04-23T12:19:43+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=8334e4fbe50ab139399fec4902fbb00125b4763a'/>
<id>8334e4fbe50ab139399fec4902fbb00125b4763a</id>
<content type='text'>
[ Upstream commit c8d0260cdd96fdccdef0509c4160e28a1012a5d7 ]

The FDB roaming test installs a destination MAC address on the wrong
interface of an FDB database and tests whether the mirroring fails, because
packets are sent to the wrong port. The test by mistake installs the FDB
entry as local. This worked previously, because drivers were notified of
local FDB entries in the same way as of static entries. However that has
been fixed in the commit 6ab4c3117aec ("net: bridge: don't notify switchdev
for local FDB addresses"), and local entries are not notified anymore. As a
result, the HW is not reconfigured for the FDB roam, and mirroring keeps
working, failing the test.

To fix the issue, mark the FDB entry as static.

Fixes: 9c7c8a82442c ("selftests: forwarding: mirror_gre_vlan_bridge_1q: Add more tests")
Signed-off-by: Petr Machata &lt;petrm@nvidia.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit c8d0260cdd96fdccdef0509c4160e28a1012a5d7 ]

The FDB roaming test installs a destination MAC address on the wrong
interface of an FDB database and tests whether the mirroring fails, because
packets are sent to the wrong port. The test by mistake installs the FDB
entry as local. This worked previously, because drivers were notified of
local FDB entries in the same way as of static entries. However that has
been fixed in the commit 6ab4c3117aec ("net: bridge: don't notify switchdev
for local FDB addresses"), and local entries are not notified anymore. As a
result, the HW is not reconfigured for the FDB roam, and mirroring keeps
working, failing the test.

To fix the issue, mark the FDB entry as static.

Fixes: 9c7c8a82442c ("selftests: forwarding: mirror_gre_vlan_bridge_1q: Add more tests")
Signed-off-by: Petr Machata &lt;petrm@nvidia.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: forwarding: vxlan_bridge_1d: Add more ECN decap test cases</title>
<updated>2021-03-29T20:29:49+00:00</updated>
<author>
<name>Ido Schimmel</name>
<email>idosch@nvidia.com</email>
</author>
<published>2021-03-29T08:29:27+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=4bfd0de590300d3e3889ee9833bec8cc4059fae6'/>
<id>4bfd0de590300d3e3889ee9833bec8cc4059fae6</id>
<content type='text'>
Test that all possible combinations of inner and outer ECN bits result
in the correct inner ECN marking according to RFC 6040 4.2.

Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Test that all possible combinations of inner and outer ECN bits result
in the correct inner ECN marking according to RFC 6040 4.2.

Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: forwarding: vxlan_bridge_1d: Fix vxlan ecn decapsulate value</title>
<updated>2021-03-19T20:54:28+00:00</updated>
<author>
<name>Hangbin Liu</name>
<email>liuhangbin@gmail.com</email>
</author>
<published>2021-03-19T14:33:14+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=5aa3c334a449bab24519c4967f5ac2b3304c8dcf'/>
<id>5aa3c334a449bab24519c4967f5ac2b3304c8dcf</id>
<content type='text'>
The ECN bit defines ECT(1) = 1, ECT(0) = 2. So inner 0x02 + outer 0x01
should be inner ECT(0) + outer ECT(1). Based on the description of
__INET_ECN_decapsulate, the final decapsulate value should be
ECT(1). So fix the test expect value to 0x01.

Before the fix:
TEST: VXLAN: ECN decap: 01/02-&gt;0x02                                 [FAIL]
        Expected to capture 10 packets, got 0.

After the fix:
TEST: VXLAN: ECN decap: 01/02-&gt;0x01                                 [ OK ]

Fixes: a0b61f3d8ebf ("selftests: forwarding: vxlan_bridge_1d: Add an ECN decap test")
Signed-off-by: Hangbin Liu &lt;liuhangbin@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The ECN bit defines ECT(1) = 1, ECT(0) = 2. So inner 0x02 + outer 0x01
should be inner ECT(0) + outer ECT(1). Based on the description of
__INET_ECN_decapsulate, the final decapsulate value should be
ECT(1). So fix the test expect value to 0x01.

Before the fix:
TEST: VXLAN: ECN decap: 01/02-&gt;0x02                                 [FAIL]
        Expected to capture 10 packets, got 0.

After the fix:
TEST: VXLAN: ECN decap: 01/02-&gt;0x01                                 [ OK ]

Fixes: a0b61f3d8ebf ("selftests: forwarding: vxlan_bridge_1d: Add an ECN decap test")
Signed-off-by: Hangbin Liu &lt;liuhangbin@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests/net: fix warnings on reuseaddr_ports_exhausted</title>
<updated>2021-03-16T22:01:21+00:00</updated>
<author>
<name>Carlos Llamas</name>
<email>cmllamas@google.com</email>
</author>
<published>2021-03-16T01:04:29+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=81f711d67a973bf8a6db9556faf299b4074d536e'/>
<id>81f711d67a973bf8a6db9556faf299b4074d536e</id>
<content type='text'>
Fix multiple warnings seen with gcc 10.2.1:
reuseaddr_ports_exhausted.c:32:41: warning: missing braces around initializer [-Wmissing-braces]
   32 | struct reuse_opts unreusable_opts[12] = {
      |                                         ^
   33 |  {0, 0, 0, 0},
      |   {   } {   }

Fixes: 7f204a7de8b0 ("selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.")
Signed-off-by: Carlos Llamas &lt;cmllamas@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Fix multiple warnings seen with gcc 10.2.1:
reuseaddr_ports_exhausted.c:32:41: warning: missing braces around initializer [-Wmissing-braces]
   32 | struct reuse_opts unreusable_opts[12] = {
      |                                         ^
   33 |  {0, 0, 0, 0},
      |   {   } {   }

Fixes: 7f204a7de8b0 ("selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.")
Signed-off-by: Carlos Llamas &lt;cmllamas@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: mptcp: Restore packet capture option in join tests</title>
<updated>2021-03-13T01:52:27+00:00</updated>
<author>
<name>Mat Martineau</name>
<email>mathew.j.martineau@linux.intel.com</email>
</author>
<published>2021-03-13T00:43:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=a673321aa74fc5604643d6a4653684c0bc9fa617'/>
<id>a673321aa74fc5604643d6a4653684c0bc9fa617</id>
<content type='text'>
The join self tests previously used the '-c' command line option to
enable creation of pcap files for the tests that run, but the change to
allow running a subset of the join tests made overlapping use of that
option.

Restore the capture functionality with '-c' and move the syncookie test
option to '-k'.

Fixes: 1002b89f23ea ("selftests: mptcp: add command line arguments for mptcp_join.sh")
Acked-and-tested-by: Geliang Tang &lt;geliangtang@gmail.com&gt;
Co-developed-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Mat Martineau &lt;mathew.j.martineau@linux.intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The join self tests previously used the '-c' command line option to
enable creation of pcap files for the tests that run, but the change to
allow running a subset of the join tests made overlapping use of that
option.

Restore the capture functionality with '-c' and move the syncookie test
option to '-k'.

Fixes: 1002b89f23ea ("selftests: mptcp: add command line arguments for mptcp_join.sh")
Acked-and-tested-by: Geliang Tang &lt;geliangtang@gmail.com&gt;
Co-developed-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Matthieu Baerts &lt;matthieu.baerts@tessares.net&gt;
Signed-off-by: Mat Martineau &lt;mathew.j.martineau@linux.intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftest/net/ipsec.c: Remove unneeded semicolon</title>
<updated>2021-03-05T21:00:38+00:00</updated>
<author>
<name>Xu Wang</name>
<email>vulab@iscas.ac.cn</email>
</author>
<published>2021-03-05T09:33:06+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=0a7e0c3b5702a6a76cf7e5b8cc10a73e51dc221e'/>
<id>0a7e0c3b5702a6a76cf7e5b8cc10a73e51dc221e</id>
<content type='text'>
fix semicolon.cocci warning:
tools/testing/selftests/net/ipsec.c:1788:2-3: Unneeded semicolon

Signed-off-by: Xu Wang &lt;vulab@iscas.ac.cn&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
fix semicolon.cocci warning:
tools/testing/selftests/net/ipsec.c:1788:2-3: Unneeded semicolon

Signed-off-by: Xu Wang &lt;vulab@iscas.ac.cn&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: fib_nexthops: Test blackhole nexthops when loopback goes down</title>
<updated>2021-03-04T22:04:49+00:00</updated>
<author>
<name>Ido Schimmel</name>
<email>idosch@nvidia.com</email>
</author>
<published>2021-03-04T08:57:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=3a1099d3147f391fa11320a759bbcb1bb857fca1'/>
<id>3a1099d3147f391fa11320a759bbcb1bb857fca1</id>
<content type='text'>
Test that blackhole nexthops are not flushed when the loopback device
goes down.

Output without previous patch:

 # ./fib_nexthops.sh -t basic

 Basic functional tests
 ----------------------
 TEST: List with nothing defined                                     [ OK ]
 TEST: Nexthop get on non-existent id                                [ OK ]
 TEST: Nexthop with no device or gateway                             [ OK ]
 TEST: Nexthop with down device                                      [ OK ]
 TEST: Nexthop with device that is linkdown                          [ OK ]
 TEST: Nexthop with device only                                      [ OK ]
 TEST: Nexthop with duplicate id                                     [ OK ]
 TEST: Blackhole nexthop                                             [ OK ]
 TEST: Blackhole nexthop with other attributes                       [ OK ]
 TEST: Blackhole nexthop with loopback device down                   [FAIL]
 TEST: Create group                                                  [ OK ]
 TEST: Create group with blackhole nexthop                           [FAIL]
 TEST: Create multipath group where 1 path is a blackhole            [ OK ]
 TEST: Multipath group can not have a member replaced by blackhole   [ OK ]
 TEST: Create group with non-existent nexthop                        [ OK ]
 TEST: Create group with same nexthop multiple times                 [ OK ]
 TEST: Replace nexthop with nexthop group                            [ OK ]
 TEST: Replace nexthop group with nexthop                            [ OK ]
 TEST: Nexthop group and device                                      [ OK ]
 TEST: Test proto flush                                              [ OK ]
 TEST: Nexthop group and blackhole                                   [ OK ]

 Tests passed:  19
 Tests failed:   2

Output with previous patch:

 # ./fib_nexthops.sh -t basic

 Basic functional tests
 ----------------------
 TEST: List with nothing defined                                     [ OK ]
 TEST: Nexthop get on non-existent id                                [ OK ]
 TEST: Nexthop with no device or gateway                             [ OK ]
 TEST: Nexthop with down device                                      [ OK ]
 TEST: Nexthop with device that is linkdown                          [ OK ]
 TEST: Nexthop with device only                                      [ OK ]
 TEST: Nexthop with duplicate id                                     [ OK ]
 TEST: Blackhole nexthop                                             [ OK ]
 TEST: Blackhole nexthop with other attributes                       [ OK ]
 TEST: Blackhole nexthop with loopback device down                   [ OK ]
 TEST: Create group                                                  [ OK ]
 TEST: Create group with blackhole nexthop                           [ OK ]
 TEST: Create multipath group where 1 path is a blackhole            [ OK ]
 TEST: Multipath group can not have a member replaced by blackhole   [ OK ]
 TEST: Create group with non-existent nexthop                        [ OK ]
 TEST: Create group with same nexthop multiple times                 [ OK ]
 TEST: Replace nexthop with nexthop group                            [ OK ]
 TEST: Replace nexthop group with nexthop                            [ OK ]
 TEST: Nexthop group and device                                      [ OK ]
 TEST: Test proto flush                                              [ OK ]
 TEST: Nexthop group and blackhole                                   [ OK ]

 Tests passed:  21
 Tests failed:   0

Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Reviewed-by: David Ahern &lt;dsahern@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Test that blackhole nexthops are not flushed when the loopback device
goes down.

Output without previous patch:

 # ./fib_nexthops.sh -t basic

 Basic functional tests
 ----------------------
 TEST: List with nothing defined                                     [ OK ]
 TEST: Nexthop get on non-existent id                                [ OK ]
 TEST: Nexthop with no device or gateway                             [ OK ]
 TEST: Nexthop with down device                                      [ OK ]
 TEST: Nexthop with device that is linkdown                          [ OK ]
 TEST: Nexthop with device only                                      [ OK ]
 TEST: Nexthop with duplicate id                                     [ OK ]
 TEST: Blackhole nexthop                                             [ OK ]
 TEST: Blackhole nexthop with other attributes                       [ OK ]
 TEST: Blackhole nexthop with loopback device down                   [FAIL]
 TEST: Create group                                                  [ OK ]
 TEST: Create group with blackhole nexthop                           [FAIL]
 TEST: Create multipath group where 1 path is a blackhole            [ OK ]
 TEST: Multipath group can not have a member replaced by blackhole   [ OK ]
 TEST: Create group with non-existent nexthop                        [ OK ]
 TEST: Create group with same nexthop multiple times                 [ OK ]
 TEST: Replace nexthop with nexthop group                            [ OK ]
 TEST: Replace nexthop group with nexthop                            [ OK ]
 TEST: Nexthop group and device                                      [ OK ]
 TEST: Test proto flush                                              [ OK ]
 TEST: Nexthop group and blackhole                                   [ OK ]

 Tests passed:  19
 Tests failed:   2

Output with previous patch:

 # ./fib_nexthops.sh -t basic

 Basic functional tests
 ----------------------
 TEST: List with nothing defined                                     [ OK ]
 TEST: Nexthop get on non-existent id                                [ OK ]
 TEST: Nexthop with no device or gateway                             [ OK ]
 TEST: Nexthop with down device                                      [ OK ]
 TEST: Nexthop with device that is linkdown                          [ OK ]
 TEST: Nexthop with device only                                      [ OK ]
 TEST: Nexthop with duplicate id                                     [ OK ]
 TEST: Blackhole nexthop                                             [ OK ]
 TEST: Blackhole nexthop with other attributes                       [ OK ]
 TEST: Blackhole nexthop with loopback device down                   [ OK ]
 TEST: Create group                                                  [ OK ]
 TEST: Create group with blackhole nexthop                           [ OK ]
 TEST: Create multipath group where 1 path is a blackhole            [ OK ]
 TEST: Multipath group can not have a member replaced by blackhole   [ OK ]
 TEST: Create group with non-existent nexthop                        [ OK ]
 TEST: Create group with same nexthop multiple times                 [ OK ]
 TEST: Replace nexthop with nexthop group                            [ OK ]
 TEST: Replace nexthop group with nexthop                            [ OK ]
 TEST: Nexthop group and device                                      [ OK ]
 TEST: Test proto flush                                              [ OK ]
 TEST: Nexthop group and blackhole                                   [ OK ]

 Tests passed:  21
 Tests failed:   0

Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Reviewed-by: David Ahern &lt;dsahern@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>selftests: forwarding: Fix race condition in mirror installation</title>
<updated>2021-02-26T23:47:52+00:00</updated>
<author>
<name>Danielle Ratson</name>
<email>danieller@nvidia.com</email>
</author>
<published>2021-02-25T16:57:19+00:00</published>
<link rel='alternate' type='text/html' href='https://git.exis.tech/linux.git/commit/?id=edcbf5137f093b5502f5f6b97cce3cbadbde27aa'/>
<id>edcbf5137f093b5502f5f6b97cce3cbadbde27aa</id>
<content type='text'>
When mirroring to a gretap in hardware the device expects to be
programmed with the egress port and all the encapsulating headers. This
requires the driver to resolve the path the packet will take in the
software data path and program the device accordingly.

If the path cannot be resolved (in this case because of an unresolved
neighbor), then mirror installation fails until the path is resolved.
This results in a race that causes the test to sometimes fail.

Fix this by setting the neighbor's state to permanent, so that it is
always valid.

Fixes: b5b029399fa6d ("selftests: forwarding: mirror_gre_bridge_1d_vlan: Add STP test")
Signed-off-by: Danielle Ratson &lt;danieller@nvidia.com&gt;
Reviewed-by: Petr Machata &lt;petrm@nvidia.com&gt;
Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: Jakub Kicinski &lt;kuba@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
When mirroring to a gretap in hardware the device expects to be
programmed with the egress port and all the encapsulating headers. This
requires the driver to resolve the path the packet will take in the
software data path and program the device accordingly.

If the path cannot be resolved (in this case because of an unresolved
neighbor), then mirror installation fails until the path is resolved.
This results in a race that causes the test to sometimes fail.

Fix this by setting the neighbor's state to permanent, so that it is
always valid.

Fixes: b5b029399fa6d ("selftests: forwarding: mirror_gre_bridge_1d_vlan: Add STP test")
Signed-off-by: Danielle Ratson &lt;danieller@nvidia.com&gt;
Reviewed-by: Petr Machata &lt;petrm@nvidia.com&gt;
Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Signed-off-by: Jakub Kicinski &lt;kuba@kernel.org&gt;
</pre>
</div>
</content>
</entry>
</feed>
