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Recently, CONFIG_MPTCP_IPV6 no longer selects CONFIG_IPV6. As a
consequence, if CONFIG_MPTCP_IPV6=y is added to the kconfig, it will no
longer ensure CONFIG_IPV6=y. If it is not enabled, CONFIG_MPTCP_IPV6
will stay disabled and selftests will fail.
We also need CONFIG_IPV6 to be built-in. For more details, please see
commit 0ed37ac586c0 ("mptcp: depends on IPV6 but not as a module").
Note that 'make kselftest-merge' will take all 'config' files found in
'tools/testsing/selftests'. Because some of them already set
CONFIG_IPV6=y, MPTCP selftests were still passing. But they will fail if
MPTCP selftests are launched manually after having executed this command
to prepare the kernel config:
./scripts/kconfig/merge_config.sh -m .config \
./tools/testing/selftests/net/mptcp/config
Fixes: 010b430d5df5 ("mptcp: MPTCP_IPV6 should depend on IPV6 instead of selecting it")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Link: https://lore.kernel.org/r/20201021155549.933731-1-matthieu.baerts@tessares.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The kci_test_encap_fou() test from kci_test_encap() in rtnetlink.sh
needs the fou module to work. Otherwise it will fail with:
$ ip netns exec "$testns" ip fou add port 7777 ipproto 47
RTNETLINK answers: No such file or directory
Error talking to the kernel
Add the CONFIG_NET_FOU into the config file as well. Which needs at
least to be set as a loadable module.
Fixes: 6227efc1a20b ("selftests: rtnetlink.sh: add vxlan and fou test cases")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Link: https://lore.kernel.org/r/20201019030928.9859-1-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When 'rp_filter' is configured in strict mode (1) the tests fail because
packets received from the macvlan netdevs would not be forwarded through
them on the reverse path.
Fix this by disabling the 'rp_filter', meaning no source validation is
performed.
Fixes: 1538812e0880 ("selftests: forwarding: Add a test for VXLAN asymmetric routing")
Fixes: 438a4f5665b2 ("selftests: forwarding: Add a test for VXLAN symmetric routing")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20201015084525.135121-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Minor conflicts in net/mptcp/protocol.h and
tools/testing/selftests/net/Makefile.
In both cases code was added on both sides in the same place
so just keep both.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The objective of the tests is to check that ICMP errors generated while
crossing between VRFs are properly routed back to the source host.
The first ttl test sends a ping with a ttl of 1 from h1 to h2 and parses the
output of the command to check that a ttl expired error is received.
The second ttl test runs traceroute from h1 to h2 and parses the output to
check for a hop on r1.
The mtu test sends a ping with a payload of 1450 from h1 to h2, through
r1 which has an interface with a mtu of 1400 and parses the output of the
command to check that a fragmentation needed error is received.
[ The IPv6 MTU test still fails with the symmetric routing setup. It
appears to be caused by source address selection picking ::1. Fixing
this is beyond the scope of this series. ]
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In case of errors, this message was printed:
(...)
balanced bwidth with unbalanced delay 5233 max 5005 [ fail ]
client exit code 0, server 0
\nnetns ns3-0-EwnkPH socket stat for 10003:
(...)
Obviously, the idea was to add a new line before the socket stat and not
print "\nnetns".
The commit 8b974778f998 ("selftests: mptcp: interpret \n as a new line")
is very similar to this one. But the modification in simult_flows.sh was
missed because this commit above was done in parallel to one here below.
Fixes: 1a418cb8e888 ("mptcp: simult flow self-tests")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Provide an example script which can be used as a skeleton for offloading
TCAM rules in the Ocelot switches.
Not all actions are demoed, mostly because of difficulty to automate
this from a single board.
For example, policing. We can set up an iperf3 UDP server and client and
measure throughput at destination. But at least with DSA setups, network
namespacing the individual ports is not possible because all switch
ports are handled by the same DSA master. And we cannot assume that the
target platform (an embedded board) has 2 other non-switch generator
ports, we need to work with the generator ports as switch ports (this is
the reason why mausezahn is used, and not IP traffic like ping). When
somebody has an idea how to test policing, that can be added to this
test.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2020-10-02
1) Add a full xfrm compatible layer for 32-bit applications on
64-bit kernels. From Dmitry Safonov.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that drop monitor correctly captures both software and hardware
originated packet drops.
# ./drop_monitor_tests.sh
Software drops test
TEST: Capturing active software drops [ OK ]
TEST: Capturing inactive software drops [ OK ]
Hardware drops test
TEST: Capturing active hardware drops [ OK ]
TEST: Capturing inactive hardware drops [ OK ]
Tests passed: 4
Tests failed: 0
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some selftests may not need any actual ports. Technically those are not
forwarding selftests, but devlink_lib can still be handy. Fall back on
NETIF_NO_CABLE in those cases.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a helper that answers the cell size of the devlink device.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changing pool type from static to dynamic causes reinterpretation of
threshold values. They therefore need to be saved before pool type is
changed, then the pool type can be changed, and then the new values need
to be set up.
For that reason, set cannot subsume save, because it would be saving the
wrong thing, with possibly a nonsensical value, and restore would then fail
to restore the nonsensical value.
Thus extract a _save() from each of the relevant _set()'s. This way it is
possible to save everything up front, then to tweak it, and then restore in
the required order.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch added the remove addr and subflow test cases and two new
functions.
The first function run_remove_tests calls do_transfer with two new
arguments, rm_nr_ns1 and rm_nr_ns2, for the numbers of addresses should be
removed during the transfer process in namespace 1 and namespace 2.
If both these two arguments are 0, we do the join test cases with
"mptcp_connect -j" command. Otherwise, do the remove test cases with
"mptcp_connect -r" command.
The second function chk_rm_nr checks the RM_ADDR related mibs's counters.
The output of the test cases looks like this:
11 remove single subflow syn[ ok ] - synack[ ok ] - ack[ ok ]
rm [ ok ] - sf [ ok ]
12 remove multiple subflows syn[ ok ] - synack[ ok ] - ack[ ok ]
rm [ ok ] - sf [ ok ]
13 remove single address syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
rm [ ok ] - sf [ ok ]
14 remove subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
rm [ ok ] - sf [ ok ]
15 remove subflows and signal syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
rm [ ok ] - sf [ ok ]
Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch added a new cfg, named cfg_remove in mptcp_connect. This new
cfg_remove is copied from cfg_join. The only difference between them is in
the do_rnd_write function. Here we slow down the transfer process of all
data to let the RM_ADDR suboption can be sent and received completely.
Otherwise the remove address and subflow test cases don't work.
Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch added the ADD_ADDR related mibs counter check function
chk_add_nr(). This function check both ADD_ADDR and ADD_ADDR with
echo flag.
The output looks like this:
07 unused signal address syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
08 signal address syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
09 subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
10 multiple subflows and signal syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
11 remove subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ]
add[ ok ] - echo [ ok ]
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's an exhaustive testing for ipsec: covering all encryption/
authentication/compression algorithms. The tests are run in two
network namespaces, connected by veth interfaces. To make exhaustive
testing less time-consuming, the tests are run in parallel tasks,
specified by parameter to the selftest.
As the patches set adds support for xfrm in compatible tasks, there are
tests to check structures that differ in size between 64-bit and 32-bit
applications.
The selftest doesn't use libnl so that it can be easily compiled as
compatible application and don't require compatible .so.
Here is a diagram of the selftest:
---------------
| selftest |
| (parent) |
---------------
| |
| (pipe) |
----------
/ | | \
/------------- / \ -------------\
| /----- -----\ |
---------|----------|----------------|----------|---------
| --------- --------- --------- --------- |
| | child | | child | NS A | child | | child | |
| --------- --------- --------- --------- |
-------|------------|----------------|-------------|------
veth0 veth1 veth2 vethN
---------|------------|----------------|-------------|----------
| ------------ ------------ ------------ ------------ |
| | gr.child | | gr.child | NS B | gr.child | | gr.child | |
| ------------ ------------ ------------ ------------ |
----------------------------------------------------------------
The parent sends the description of a test (xfrm parameters) to the
child, the child and grand child setup a tunnel over veth interface and
test it by sending udp packets.
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Two minor conflicts:
1) net/ipv4/route.c, adding a new local variable while
moving another local variable and removing it's
initial assignment.
2) drivers/net/dsa/microchip/ksz9477.c, overlapping changes.
One pretty prints the port mode differently, whilst another
changes the driver to try and obtain the port mode from
the port node rather than the switch node.
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPPROTO_IP (0) is not valid for raw sockets. Default the protocol for
raw sockets to IPPROTO_RAW if the protocol has not been set via the -P
option.
Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of errors, this message was printed:
(...)
# read: Resource temporarily unavailable
# client exit code 0, server 3
# \nnetns ns1-0-BJlt5D socket stat for 10003:
(...)
Obviously, the idea was to add a new line before the socket stat and not
print "\nnetns".
Fixes: b08fbf241064 ("selftests: add test-cases for MPTCP MP_JOIN")
Fixes: 048d19d444be ("mptcp: add basic kselftest for mptcp")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit c7cdbe2efc40 ("vxlan: support for nexthop notifiers") registered
a listener in the VXLAN driver to the nexthop notification chain. Its
purpose is to cleanup FDB entries that use a nexthop that is being
deleted.
Test that such FDB entries are removed when the nexthop group that they
use is deleted. Test that entries are not deleted when a single nexthop
in the group is deleted.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a bunch of test-cases for multiple subflow xmit:
create multiple subflows simulating different links
condition via netem and verify that the msk is able
to use completely the aggregated bandwidth.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that an upper device of netdevs with different parent IDs can be
enslaved to a bridge.
The test fails without previous commit.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The delay was intended to be configured to "simulate" a high(er) BDP
link. As such, it needs to be set as part of the loss-configuration and
not as part of the netem reordering configuration.
The reordering-config also requires a delay but that delay is the
reordering-extend. So, a good approach is to set the reordering-extend
as a function of the configured latency. E.g., 25% of the overall
latency.
To speed up the selftests, we limit the delay to 50ms maximum to avoid
having the selftests run for too long.
Finally, the intention of tc_reorder was that when it is unset, the test
picks a random configuration. However, currently it is always initialized
and thus the random config won't be picked up.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/6
Reported-and-reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Rewrite inner header IPv6 in ICMPv6 messages in ip6t_NPT,
from Michael Zhou.
2) do_ip_vs_set_ctl() dereferences uninitialized value,
from Peilin Ye.
3) Support for userdata in tables, from Jose M. Guisado.
4) Do not increment ct error and invalid stats at the same time,
from Florian Westphal.
5) Remove ct ignore stats, also from Florian.
6) Add ct stats for clash resolution, from Florian Westphal.
7) Bump reference counter bump on ct clash resolution only,
this is safe because bucket lock is held, again from Florian.
8) Use ip_is_fragment() in xt_HMARK, from YueHaibing.
9) Add wildcard support for nft_socket, from Balazs Scheidler.
10) Remove superfluous IPVS dependency on iptables, from
Yaroslav Bolyukin.
11) Remove unused definition in ebt_stp, from Wang Hai.
12) Replace CONFIG_NFT_CHAIN_NAT_{IPV4,IPV6} by CONFIG_NFT_NAT
in selftests/net, from Fabian Frederick.
13) Add userdata support for nft_object, from Jose M. Guisado.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace old parameters with global NFT_NAT from commit db8ab38880e0
("netfilter: nf_tables: merge ipv4 and ipv6 nat chain types")
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Before changing this it's a bit confusing to read test output:
raw csum_off with bad offset (fails)
./psock_snd: write: Invalid argument
Change "fails" in the test case description to "expected to fail", so
that the test output can be more understandable.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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in mptcp_connect, 's' selects IPPROTO_MPTCP / IPPROTO_TCP as the value of
'protocol' in socket(), and 'm' switches between different send / receive
modes. Fix die_usage(): swap 'm' and 's' and add missing 'sendfile' mode.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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nexthops
Test that an IPv6 route can not use a nexthop group with mixed IPv4 and
IPv6 nexthops, but can use it after replacing the IPv4 nexthops with
IPv6 nexthops.
Output without previous patch:
# ./fib_nexthops.sh -t ipv6_fcnal_runtime
IPv6 functional runtime
-----------------------
TEST: Route add [ OK ]
TEST: Route delete [ OK ]
TEST: Ping with nexthop [ OK ]
TEST: Ping - multipath [ OK ]
TEST: Ping - blackhole [ OK ]
TEST: Ping - blackhole replaced with gateway [ OK ]
TEST: Ping - gateway replaced by blackhole [ OK ]
TEST: Ping - group with blackhole [ OK ]
TEST: Ping - group blackhole replaced with gateways [ OK ]
TEST: IPv6 route with device only nexthop [ OK ]
TEST: IPv6 multipath route with nexthop mix - dev only + gw [ OK ]
TEST: IPv6 route can not have a v4 gateway [ OK ]
TEST: Nexthop replace - v6 route, v4 nexthop [ OK ]
TEST: Nexthop replace of group entry - v6 route, v4 nexthop [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after removing v4 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after replacing v4 gateways [FAIL]
TEST: Nexthop with default route and rpfilter [ OK ]
TEST: Nexthop with multipath default route and rpfilter [ OK ]
Tests passed: 21
Tests failed: 1
Output with previous patch:
# ./fib_nexthops.sh -t ipv6_fcnal_runtime
IPv6 functional runtime
-----------------------
TEST: Route add [ OK ]
TEST: Route delete [ OK ]
TEST: Ping with nexthop [ OK ]
TEST: Ping - multipath [ OK ]
TEST: Ping - blackhole [ OK ]
TEST: Ping - blackhole replaced with gateway [ OK ]
TEST: Ping - gateway replaced by blackhole [ OK ]
TEST: Ping - group with blackhole [ OK ]
TEST: Ping - group blackhole replaced with gateways [ OK ]
TEST: IPv6 route with device only nexthop [ OK ]
TEST: IPv6 multipath route with nexthop mix - dev only + gw [ OK ]
TEST: IPv6 route can not have a v4 gateway [ OK ]
TEST: Nexthop replace - v6 route, v4 nexthop [ OK ]
TEST: Nexthop replace of group entry - v6 route, v4 nexthop [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after removing v4 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after replacing v4 gateways [ OK ]
TEST: Nexthop with default route and rpfilter [ OK ]
TEST: Nexthop with multipath default route and rpfilter [ OK ]
Tests passed: 22
Tests failed: 0
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that an IPv6 route can not use a nexthop group with mixed IPv4 and
IPv6 nexthops, but can use it after deleting the IPv4 nexthops.
Output without previous patch:
# ./fib_nexthops.sh -t ipv6_fcnal_runtime
IPv6 functional runtime
-----------------------
TEST: Route add [ OK ]
TEST: Route delete [ OK ]
TEST: Ping with nexthop [ OK ]
TEST: Ping - multipath [ OK ]
TEST: Ping - blackhole [ OK ]
TEST: Ping - blackhole replaced with gateway [ OK ]
TEST: Ping - gateway replaced by blackhole [ OK ]
TEST: Ping - group with blackhole [ OK ]
TEST: Ping - group blackhole replaced with gateways [ OK ]
TEST: IPv6 route with device only nexthop [ OK ]
TEST: IPv6 multipath route with nexthop mix - dev only + gw [ OK ]
TEST: IPv6 route can not have a v4 gateway [ OK ]
TEST: Nexthop replace - v6 route, v4 nexthop [ OK ]
TEST: Nexthop replace of group entry - v6 route, v4 nexthop [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after deleting v4 gateways [FAIL]
TEST: Nexthop with default route and rpfilter [ OK ]
TEST: Nexthop with multipath default route and rpfilter [ OK ]
Tests passed: 18
Tests failed: 1
Output with previous patch:
bash-5.0# ./fib_nexthops.sh -t ipv6_fcnal_runtime
IPv6 functional runtime
-----------------------
TEST: Route add [ OK ]
TEST: Route delete [ OK ]
TEST: Ping with nexthop [ OK ]
TEST: Ping - multipath [ OK ]
TEST: Ping - blackhole [ OK ]
TEST: Ping - blackhole replaced with gateway [ OK ]
TEST: Ping - gateway replaced by blackhole [ OK ]
TEST: Ping - group with blackhole [ OK ]
TEST: Ping - group blackhole replaced with gateways [ OK ]
TEST: IPv6 route with device only nexthop [ OK ]
TEST: IPv6 multipath route with nexthop mix - dev only + gw [ OK ]
TEST: IPv6 route can not have a v4 gateway [ OK ]
TEST: Nexthop replace - v6 route, v4 nexthop [ OK ]
TEST: Nexthop replace of group entry - v6 route, v4 nexthop [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route can not have a group with v4 and v6 gateways [ OK ]
TEST: IPv6 route using a group after deleting v4 gateways [ OK ]
TEST: Nexthop with default route and rpfilter [ OK ]
TEST: Nexthop with multipath default route and rpfilter [ OK ]
Tests passed: 19
Tests failed: 0
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, mausezahn delay parameter in mirror_test() is specified with
'ms' units.
mausezahn versions before 0.6.5 interpret 'ms' as seconds and therefore
the tests that use mirror_test() take a very long time to complete.
Resolve this by specifying 'msec' units.
Signed-off-by: Danielle Ratson <danieller@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One down side of using TCP rx zerocopy is one extra TLB miss
per page after the mapping operation.
While if the application is using hugepages, the non zerocopy
recvmsg() will not have to pay these TLB costs.
This patch allows server side to use huge pages for
the non zero copy case, to allow fair comparisons when
both solutions use optimal conditions.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are significant gains using huge pages when
available, as shown in [1].
This patch adds mmap_large_buffer() and uses it
in client side (tx path of this reference tool)
Following patch will use the feature for server side.
[1] https://patchwork.ozlabs.org/project/netdev/patch/20200820154359.1806305-1-edumazet@google.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When TCP_ZEROCOPY_RECEIVE operation has been added,
I made the mistake of automatically un-mapping prior
content before mapping new pages.
This has the unfortunate effect of adding potentially long
MMU operations (like TLB flushes) while socket lock is held.
Using madvise(MADV_DONTNEED) right after pages has been used
has two benefits :
1) This releases pages sooner, allowing pages to be recycled
if they were part of a page pool in a NIC driver.
2) No more long unmap operations while preventing immediate
processing of incoming packets.
The cost of the added system call is small enough.
Arjun will submit a kernel patch allowing to opt out from
the unmap attempt in tcp_zerocopy_receive()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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h1 is initially configured to reach h2 via r1 rather than the
more direct path through r2. If rp_filter is set and inherited
for r2, forwarding fails since the source address of h1 is
reachable from eth0 vs the packet coming to it via r1 and eth1.
Since rp_filter setting affects the test, explicitly reset it.
Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During diag self-tests we introduce long wait in the mptcp test
program to give the script enough time to access the sockets
dump.
Such wait is introduced after shutting down one sockets end. Since
commit 43b54c6ee382 ("mptcp: Use full MPTCP-level disconnect state
machine") if both sides shutdown the socket is correctly transitioned
into CLOSED status.
As a side effect some sockets are not dumped via the diag interface,
because the socket state (CLOSED) does not match the default filter, and
this cause self-tests instability.
Address the issue moving the above mentioned wait before shutting
down the socket.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/68
Fixes: df62f2ec3df6 ("selftests/mptcp: add diag interface tests")
Tested-and-acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit df62f2ec3df6 ("selftests/mptcp: add diag interface tests")
the MPTCP selftests relies on the MPTCP diag interface which is
enabled by a specific kconfig knob: be sure to include it.
Fixes: df62f2ec3df6 ("selftests/mptcp: add diag interface tests")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The msg_zerocopy test pins the sender and receiver threads to separate
cores to reduce variance between runs.
But it hardcodes the cores and skips core 0, so it fails on machines
with the selected cores offline, or simply fewer cores.
The test mainly gives code coverage in automated runs. The throughput
of zerocopy ('-z') and non-zerocopy runs is logged for manual
inspection.
Continue even when sched_setaffinity fails. Just log to warn anyone
interpreting the data.
Fixes: 07b65c5b31ce ("test: add msg_zerocopy test")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kci_test_encap() is actually composed by two different sub-tests,
kci_test_encap_vxlan() and kci_test_encap_fou()
Therefore we should check the test result of these two in
kci_test_encap() to let the script be aware of the pass / fail status.
Otherwise it will generate false-negative result like below:
$ sudo ./test.sh
PASS: policy routing
PASS: route get
PASS: preferred_lft addresses have expired
PASS: promote_secondaries complete
PASS: tc htb hierarchy
PASS: gre tunnel endpoint
PASS: gretap
PASS: ip6gretap
PASS: erspan
PASS: ip6erspan
PASS: bridge setup
PASS: ipv6 addrlabel
PASS: set ifalias 5b193daf-0a08-46d7-af2c-e7aadd422ded for test-dummy0
PASS: vrf
PASS: vxlan
FAIL: can't add fou port 7777, skipping test
PASS: macsec
PASS: bridge fdb get
PASS: neigh get
$ echo $?
0
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The return value "ret" will be reset to 0 from the beginning of each
sub-test in rtnetlink.sh, therefore this test will always pass if the
last sub-test has passed:
$ sudo ./rtnetlink.sh
PASS: policy routing
PASS: route get
PASS: preferred_lft addresses have expired
PASS: promote_secondaries complete
PASS: tc htb hierarchy
PASS: gre tunnel endpoint
PASS: gretap
PASS: ip6gretap
PASS: erspan
PASS: ip6erspan
PASS: bridge setup
PASS: ipv6 addrlabel
PASS: set ifalias a39ee707-e36b-41d3-802f-63179ed4d580 for test-dummy0
PASS: vrf
PASS: vxlan
FAIL: can't add fou port 7777, skipping test
PASS: macsec
PASS: ipsec
3,7c3,7
< sa[0] spi=0x00000009 proto=0x32 salt=0x64636261 crypt=1
< sa[0] key=0x31323334 35363738 39303132 33343536
< sa[1] rx ipaddr=0x00000000 00000000 00000000 c0a87b03
< sa[1] spi=0x00000009 proto=0x32 salt=0x64636261 crypt=1
< sa[1] key=0x31323334 35363738 39303132 33343536
---
> sa[0] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
> sa[0] key=0x34333231 38373635 32313039 36353433
> sa[1] rx ipaddr=0x00000000 00000000 00000000 037ba8c0
> sa[1] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
> sa[1] key=0x34333231 38373635 32313039 36353433
FAIL: ipsec_offload incorrect driver data
FAIL: ipsec_offload
PASS: bridge fdb get
PASS: neigh get
$ echo $?
0
Make "ret" become a local variable for all sub-tests.
Also, check the sub-test results in kci_test_rtnl() and return the
final result for this test.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new tests check that IP and IPv6 packets exceeding the local PMTU
estimate, forwarded by an Open vSwitch instance from another node,
result in the correct route exceptions being created, and that
communication with end-to-end fragmentation, over GENEVE and VXLAN
Open vSwitch ports, is now possible as a result of PMTU discovery.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new tests check that IP and IPv6 packets exceeding the local PMTU
estimate, both locally generated and forwarded by a bridge from
another node, result in the correct route exceptions being created,
and that communication with end-to-end fragmentation over VXLAN and
GENEVE tunnels is now possible as a result of PMTU discovery.
Part of the existing setup functions aren't generic enough to simply
add a namespace and a bridge to the existing routing setup. This
rework is in progress and we can easily shrink this once more generic
topology functions are available.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Resolved kernel/bpf/btf.c using instructions from merge commit
69138b34a7248d2396ab85c8652e20c0c39beaba
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also add test cases with MP_JOIN when tcp_syncookies sysctl is 2 (i.e.,
syncookies are always-on).
While at it, also print the test number and add the test number
to the pcap files that can be generated optionally.
This makes it easier to match the pcap to the test case.
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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check we can establish connections also when syn cookies are in use.
Check that
MPTcpExtMPCapableSYNRX and MPTcpExtMPCapableACKRX increase for each
MPTCP test.
Check TcpExtSyncookiesSent and TcpExtSyncookiesRecv increase in netns2.
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The txtimestamp selftest sets a fixed 500us tolerance. This value was
arrived at experimentally. Some platforms have higher variances. Make
this adjustable by adding the following flag:
-t N: tolerance (usec) for timestamp validation.
Signed-off-by: Jian Yang <jianyang@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The test case check_highest_speed_is_chosen() configures $h1 to
advertise a subset of its supported speeds and checks that $h2 chooses
the highest speed from the subset.
To find the common advertised speeds between $h1 and $h2,
common_speeds_get() is called.
Currently, the first speed returned from common_speeds_get() is removed
claiming "h1 does not advertise this speed". The claim is wrong because
the function is called after $h1 already advertised a subset of speeds.
In case $h1 supports only two speeds, it will advertise a single speed
which will be later removed because of previously mentioned bug. This
results in the test needlessly failing. When more than two speeds are
supported this is not an issue because the first advertised speed
is the lowest one.
Fix this by not removing any speed from the list of commonly advertised
speeds.
Fixes: 64916b57c0b1 ("selftests: forwarding: Add speed and auto-negotiation test")
Reported-by: Danielle Ratson <danieller@mellanox.com>
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When size_t maps to unsigned int (e.g. on 32-bit powerpc), then the
comparison with 1<<35 is always true. Clang 9 threw:
warning: result of comparison of constant 34359738368 with \
expression of type 'size_t' (aka 'unsigned int') is always true \
[-Wtautological-constant-out-of-range-compare]
while (total < FILE_SZ) {
Tested: make -C tools/testing/selftests TARGETS="net" run_tests
Fixes: 192dc405f308 ("selftests: net: add tcp_mmap program")
Signed-off-by: Tanner Love <tannerlove@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On powerpcle, int64_t maps to long long. Clang 9 threw:
warning: absolute value function 'labs' given an argument of type \
'long long' but has parameter of type 'long' which may cause \
truncation of value [-Wabsolute-value]
if (labs(tstop - texpect) > cfg_variance_us)
Tested: make -C tools/testing/selftests TARGETS="net" run_tests
Fixes: af5136f95045 ("selftests/net: SO_TXTIME with ETF and FQ")
Signed-off-by: Tanner Love <tannerlove@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang 9 threw:
warning: format specifies type 'unsigned short' but the argument has \
type 'int' [-Wformat]
typeflags, PORT_BASE, PORT_BASE + port_off);
Tested: make -C tools/testing/selftests TARGETS="net" run_tests
Fixes: 77f65ebdca50 ("packet: packet fanout rollover during socket overload")
Signed-off-by: Tanner Love <tannerlove@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The signedness of char is implementation-dependent. Some systems
(including PowerPC and ARM) use unsigned char. Clang 9 threw:
warning: result of comparison of constant -1 with expression of type \
'char' is always true [-Wtautological-constant-out-of-range-compare]
&arg_index)) != -1) {
Tested: make -C tools/testing/selftests TARGETS="net" run_tests
Fixes: 16e781224198 ("selftests/net: Add a test to validate behavior of rx timestamps")
Signed-off-by: Tanner Love <tannerlove@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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