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Previous patch fixes overriding callbacks incorrectly. Triggering
the crash in sendpage_locked would be more spectacular but it's
hard to get to, so take the easier path of proving this is broken
and call getname. We're currently getting IPv4 socket info on an
IPv6 socket.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The new selftest runs a sequence which causes circular refcount
dependency between deleted objects which cannot be released and results
in a netdevice refcount imbalance.
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
add a selftest that verifies the correct behavior of TC act_mirred egress
to ingress: in particular, it checks if the dst_entry is removed from skb
before redirect egress -> ingress. The correct behavior is: an ICMP 'echo
request' generated by ping will be received and generate a reply the same
way as the one generated by mausezahn.
Suggested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Cong Wang <cong.wang@bytedance.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit a985442fdecb ("selftests: net: properly support IPv6 in GSO GRE test")
is not compatible with:
Ncat: Version 7.80 ( https://nmap.org/ncat )
(which is distributed with Fedora/Red Hat), tests fail with:
nc: invalid option -- 'N'
Let's switch to socat which is far more dependable.
Fixes: 025efa0a82df ("selftests: add simple GSO GRE test")
Fixes: a985442fdecb ("selftests: net: properly support IPv6 in GSO GRE test")
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Link: https://lore.kernel.org/r/20211111162929.530470-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The below commit added optional support for passing a bind address.
It configures the sockaddr bind arguments before parsing options and
reconfigures on options -b and -4.
This broke support for passing port (-p) on its own.
Configure sockaddr after parsing all arguments.
Fixes: 3327a9c46352 ("selftests: add functionals test for UDP GRO")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 6de6e46d27ef ("cls_flower: Fix inability to match GRE/IPIP
packets"), cls_flower was fixed to match an outer packet of a tunneled
packet as would be expected, rather than dissecting to the inner packet and
matching on that.
This fix uncovered several issues in packet matching in mirroring
selftests:
- in mirror_gre_bridge_1d_vlan.sh and mirror_gre_vlan_bridge_1q.sh, the
vlan_ethtype match is copied around as "ip", even as some of the tests
are running over ip6gretap. This is fixed by using an "ipv6" for
vlan_ethtype in the ip6gretap tests.
- in mirror_gre_changes.sh, a filter to count GRE packets is set up to
match TTL of 50. This used to trigger in the offloaded datapath, where
the envelope TTL was matched, but not in the software datapath, which
considered TTL of the inner packet. Now that both match consistently, all
the packets were double-counted. This is fixed by marking the filter as
skip_hw, leaving only the SW datapath component active.
Fixes: 6de6e46d27ef ("cls_flower: Fix inability to match GRE/IPIP packets")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It looks like test_vxlan_under_vrf.sh is always failing to verify the
connectivity test during the ping between the two simulated VMs.
This is due to the fact that veth-hv in each VM should have a distinct
MAC address.
Fix by setting a unique MAC address on each simulated VM interface.
Without this fix:
$ sudo ./tools/testing/selftests/net/test_vxlan_under_vrf.sh
Checking HV connectivity [ OK ]
Check VM connectivity through VXLAN (underlay in the default VRF) [FAIL]
With this fix applied:
$ sudo ./tools/testing/selftests/net/test_vxlan_under_vrf.sh
Checking HV connectivity [ OK ]
Check VM connectivity through VXLAN (underlay in the default VRF) [ OK ]
Check VM connectivity through VXLAN (underlay in a VRF) [FAIL]
NOTE: the connectivity test with the underlay VRF is still failing; it
seems that ARP requests are blocked at the simulated hypervisor level,
probably due to some missing ARP forwarding rules. This requires more
investigation (in the meantime we may consider to set that test as
expected failure - XFAIL).
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When building selftests/net with clang, the compiler warn about the
function abs() see below:
tls.c:657:15: warning: variable 'len_compared' set but not used [-Wunused-but-set-variable]
unsigned int len_compared = 0;
^
Rework to remove the unused variable and the for-loop where the variable
'len_compared' was assinged.
Fixes: 7f657d5bf507 ("selftests: tls: add selftests for TLS sockets")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
pull-request: bpf 2021-11-05
We've added 15 non-merge commits during the last 3 day(s) which contain
a total of 14 files changed, 199 insertions(+), 90 deletions(-).
The main changes are:
1) Fix regression from stack spill/fill of <8 byte scalars, from Martin KaFai Lau.
2) Fix perf's build of bpftool's bootstrap version due to missing libbpf
headers, from Quentin Monnet.
3) Fix riscv{32,64} BPF exception tables build errors and warnings, from Björn Töpel.
4) Fix bpf fs to allow RENAME_EXCHANGE support for atomic upgrades on sk_lookup
control planes, from Lorenz Bauer.
5) Fix libbpf's error reporting in bpf_map_lookup_and_delete_elem_flags() due to
missing libbpf_err_errno(), from Mehrdad Arshad Rad.
6) Various fixes to make xdp_redirect_multi selftest more reliable, from Hangbin Liu.
7) Fix netcnt selftest to make it run serial and thus avoid conflicts with other
cgroup/skb selftests run in parallel that could cause flakes, from Andrii Nakryiko.
8) Fix reuseport_bpf_numa networking selftest to skip unavailable NUMA nodes,
from Kleber Sacilotto de Souza.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
riscv, bpf: Fix RV32 broken build, and silence RV64 warning
selftests/bpf/xdp_redirect_multi: Limit the tests in netns
selftests/bpf/xdp_redirect_multi: Give tcpdump a chance to terminate cleanly
selftests/bpf/xdp_redirect_multi: Use arping to accurate the arp number
selftests/bpf/xdp_redirect_multi: Put the logs to tmp folder
libbpf: Fix lookup_and_delete_elem_flags error reporting
bpftool: Install libbpf headers for the bootstrap version, too
selftests/net: Fix reuseport_bpf_numa by skipping unavailable nodes
selftests/bpf: Verifier test on refill from a smaller spill
bpf: Do not reject when the stack read size is different from the tracked scalar size
selftests/bpf: Make netcnt selftests serial to avoid spurious failures
selftests/bpf: Test RENAME_EXCHANGE and RENAME_NOREPLACE on bpffs
selftests/bpf: Convert test_bpffs to ASSERT macros
libfs: Support RENAME_EXCHANGE in simple_rename()
libfs: Move shmem_exchange to simple_rename_exchange
====================
Link: https://lore.kernel.org/r/20211105165803.29372-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In some platforms the numa node numbers are not necessarily consecutive,
meaning that not all nodes from 0 to the value returned by numa_max_node()
are available on the system. Using node numbers which are not available
results on errors from libnuma such as:
---- IPv4 UDP ----
send node 0, receive socket 0
libnuma: Warning: Cannot read node cpumask from sysfs
./reuseport_bpf_numa: failed to pin to node: No such file or directory
Fix it by checking if the node number bit is set on numa_nodes_ptr, which
is defined on libnuma as "Set with all nodes the kernel has exposed to
userspace".
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211101145317.286118-1-kleber.souza@canonical.com
Explicitly pass -6 to netcat when the test is using IPv6 to prevent
failures.
Also make sure to pass "-N" to netcat to close the socket after EOF on
the client side, otherwise we would always hit the timeout and the test
would fail.
Without this fix applied:
TEST: GREv6/v4 - copy file w/ TSO [FAIL]
TEST: GREv6/v4 - copy file w/ GSO [FAIL]
TEST: GREv6/v6 - copy file w/ TSO [FAIL]
TEST: GREv6/v6 - copy file w/ GSO [FAIL]
With this fix applied:
TEST: GREv6/v4 - copy file w/ TSO [ OK ]
TEST: GREv6/v4 - copy file w/ GSO [ OK ]
TEST: GREv6/v6 - copy file w/ TSO [ OK ]
TEST: GREv6/v6 - copy file w/ GSO [ OK ]
Fixes: 025efa0a82df ("selftests: add simple GSO GRE test")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When generating the selftests to another folder, the toeplitz.sh
and toeplitz_client.sh are missing as they are not in Makefile, e.g.
make -C tools/testing/selftests/ install \
TARGETS="net" INSTALL_PATH=/tmp/kselftests
Making them under TEST_PROGS_EXTENDED as they test NIC hardware features
and are not intended to be run from kselftests.
Fixes: 5ebfb4cc3048 ("selftests/net: toeplitz test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When generating the selftests to another folder, the
vrf_strict_mode_test.sh test will miss as it is not in Makefile, e.g.
make -C tools/testing/selftests/ install \
TARGETS="net" INSTALL_PATH=/tmp/kselftests
Fixes: 8735e6eaa438 ("selftests: add selftest for the VRF strict mode")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When generating the selftests to another folder, the SRv6 tests are
missing as they are not in Makefile, e.g.
make -C tools/testing/selftests/ install \
TARGETS="net" INSTALL_PATH=/tmp/kselftests
Fixes: 03a0b567a03d ("selftests: seg6: add selftest for SRv6 End.DT46 Behavior")
Fixes: 2195444e09b4 ("selftests: add selftest for the SRv6 End.DT4 behavior")
Fixes: 2bc035538e16 ("selftests: add selftest for the SRv6 End.DT6 (VRF) behavior")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When generating the selftests to another folder, the include file
setup_loopback.sh/setup_veth.sh for gro.sh/gre_gro.sh are missing as
they are not in Makefile, e.g.
make -C tools/testing/selftests/ install \
TARGETS="net" INSTALL_PATH=/tmp/kselftests
Fixes: 7d1575014a63 ("selftests/net: GRO coalesce test")
Fixes: 9af771d2ec04 ("selftests/net: allow GRO coalesce test on veth")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When generating the selftests to another folder, the icmp.sh test will
miss as it is not in Makefile, e.g.
make -C tools/testing/selftests/ install \
TARGETS="net" INSTALL_PATH=/tmp/kselftests
Fixes: 7e9838b7915e ("selftests/net: Add icmp.sh for testing ICMP dummy address responses")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This tests the sysctl options for ARP/ND:
/net/ipv4/conf/<iface>/arp_evict_nocarrier
/net/ipv4/conf/all/arp_evict_nocarrier
/net/ipv6/conf/<iface>/ndisc_evict_nocarrier
/net/ipv6/conf/all/ndisc_evict_nocarrier
Signed-off-by: James Prestwood <prestwoj@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is selftest script for amt interface.
This script includes basic forwarding scenarion and torture scenario.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the simult_flows.sh self-tests are not very stable,
especially when running on slow VMs.
The tests measure runtime for transfers on multiple subflows
and check that the time is near the theoretical maximum.
The current test infra introduces a bit of jitter in test
runtime, due to multiple explicit delays. Additionally the
runtime is measured by the shell script wrapper. On a slow
VM, the script overhead is measurable and subject to relevant
jitter.
One solution to make the test more stable would be adding more
slack to the expected time; that could possibly hide real
regressions. Instead move the measurement inside the command
doing the transfer, and drop most unneeded sleeps.
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In listener_ns, we should pass srv_proto argument to mptcp_connect command,
not cl_proto.
Fixes: 7d1e6f1639044 ("selftests: mptcp: add testcase for active-back")
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before fix:
| Case IPv6 rejection returned 0, expected 1
|FAIL - 1/4 cases failed
With the fix:
| OK
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When I fixed IGMPv3/MLDv2 to use the bridge's multicast_membership_interval
value which is chosen by user-space instead of calculating it based on
multicast_query_interval and multicast_query_response_interval I forgot
to update the selftests relying on that behaviour. Now we have to
manually set the expected GMI value to perform the tests correctly and get
proper results (similar to IGMPv2 behaviour).
Fixes: fac3cb82a54a ("net: bridge: mcast: use multicast_membership_interval for IGMPv3")
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update .gitignore with newly added tests:
tools/testing/selftests/net/af_unix/test_unix_oob
tools/testing/selftests/net/gro
tools/testing/selftests/net/ioam6_parser
tools/testing/selftests/net/toeplitz
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
TBF can be used as a root qdisc, in which case it is supposed to configure
port shaper. Add a test that verifies that this is so by installing a root
TBF with a ETS or PRIO below it, and then expecting individual bands to all
be shaped according to the root TBF configuration.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Instead of iterating over all the available trap policers, only perform
the tests with three policers: The first, the last and the one in the
middle of the range. On a Spectrum-3 system, this reduces the run time
from almost an hour to a few minutes.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A number of mlxsw-specific selftests currently detect whether they are run
on a compatible machine, and bail out silently when not. These tests are
however done in a somewhat impenetrable manner by directly comparing PCI
IDs against a blacklist or a whitelist, and bailing out silently if the
machine is not compatible.
Instead, add a helper, mlxsw_only_on_spectrum(), which allows specifying
the supported machines in a human-readable manner. If the current machine
is incompatible, the helper emits a SKIP message and returns an error code,
based on which the caller can gracefully bail out in a suitable way. This
allows a more readable conditions such as:
mlxsw_only_on_spectrum 2+ || return
Convert all existing open-coded guards to the new helper. Also add two new
guards to do_mark_test() and do_drop_test(), which are supported only on
Spectrum-2+, but the corresponding check was not there.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These programs are useful, but not all selftests require them.
Additionally, on embedded boards without package management (things like
buildroot), installing mausezahn or jq is not always as trivial as
downloading a package from the web.
So it is actually a bit annoying to require programs that are not used.
Introduce options that can be set by scripts to not enforce these
dependencies. For compatibility, default to "yes".
Cc: Nikolay Aleksandrov <nikolay@nvidia.com>
Cc: Ido Schimmel <idosch@nvidia.com>
Cc: Guillaume Nault <gnault@redhat.com>
Cc: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These programs are useful, but not all selftests require them.
Additionally, on embedded boards without package management (things like
buildroot), installing mausezahn or jq is not always as trivial as
downloading a package from the web.
So it is actually a bit annoying to require programs that are not used.
Introduce options that can be set by scripts to not enforce these
dependencies. For compatibility, default to "yes".
Cc: Nikolay Aleksandrov <nikolay@nvidia.com>
Cc: Ido Schimmel <idosch@nvidia.com>
Cc: Guillaume Nault <gnault@redhat.com>
Cc: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On my box I see a bunch of ping/nettest processes hanging
around after fcntal-test.sh is done.
Clean those up before netns deletion.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20211021140247.29691-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Kernel TLS test has added SM4 GCM/CCM algorithm support, but SM4
algorithm is not compiled by default, this patch add SM4 config
dependency.
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current default does not allowing additional subflows, mostly
as a safety restriction to avoid uncontrolled resource consumption
on busy servers.
Still the system admin and/or the application have to opt-in to
MPTCP explicitly. After that, they need to change (increase) the
default maximum number of additional subflows.
Let set that to reasonable default, and make end-users life easier.
Additionally we need to update some self-tests accordingly.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit bdb7cc643fc9 ("ipv6: Count interface receive statistics on the
ingress netdev") does not work when ip6_forward() executes on the skbs
with vrf-enslaved netdev. Use IP6CB(skb)->iif to get to the right one.
Add a selftest script to verify.
Fixes: bdb7cc643fc9 ("ipv6: Count interface receive statistics on the ingress netdev")
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20211014130845.410602-1-ssuryaextr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test that applications binding listening sockets to VRFs without
specifying TCP_MD5SIG_FLAG_IFINDEX will work as expected. This would
be broken if __tcp_md5_do_lookup always made a strict comparison on
l3index. See this email:
https://lore.kernel.org/netdev/209548b5-27d2-2059-f2e9-2148f5a0291b@gmail.com/
Applications using tcp_l3mdev_accept=1 and a single global socket (not
bound to any interface) also should have a way to specify keys that are
only for the default VRF, this is done by --force-bind-key-ifindex
without otherwise binding to a device.
Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
These options allow explicit control over the TCP_MD5SIG_FLAG_IFINDEX
flag instead of always setting it based on binding to an interface.
Do this by converting to getopt_long because nettest has too many
single-character flags already and getopt_long is widely used in
selftests.
Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools/testing/selftests/net/ioam6.sh
7b1700e009cc ("selftests: net: modify IOAM tests for undef bits")
bf77b1400a56 ("selftests: net: Test for the IOAM encapsulation with IPv6")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The output behavior for undefined bits is now directly tested inside the bash
script. Trying to set an undefined bit should be refused.
The input behavior for undefined bits has been removed due to the fact that we
would need another sender allowed to set undefined bits.
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add tests that check IPv6-in-IPv6, IPv4-in-IPv6 and MTU change of GRE
tunnel. The tests use hierarchical model - the tunnel is bound to a device
in a different VRF.
These tests can be run with TC_FLAG=skip_sw, so then they will verify
that packets go through hardware as part of enacp and decap phases.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add tests that check IPv6-in-IPv6, IPv4-in-IPv6 and MTU change of GRE
tunnel. The tests use flat model - overlay and underlay share the same VRF.
These tests can be run with TC_FLAG=skip_sw, so then they will verify
that packets go through hardware as part of enacp and decap phases.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add function that checks that at least X packets hit the tc rule.
There are cases that it is not possible to catch only the interesting
packets, so then, it is possible to send many packets and verify that at
least this amount of packets hit the rule.
This function will be used in the next patch for general tc rule that
can be used to test both software and hardware.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
