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* selftests: net: test standard socket cmsgs across UDP and ICMP socketsJakub Kicinski2022-02-101-0/+1
| | | | | | | | | | | | | | | | | | | | Test TIMESTAMPING and TXTIME across UDP / ICMP and IP versions. Before ICMPv6 support: # ./tools/testing/selftests/net/cmsg_time.sh Case ICMPv6 - ts cnt returned '0', expected '2' Case ICMPv6 - ts0 SCHED returned '', expected 'OK' Case ICMPv6 - ts0 SND returned '', expected 'OK' Case ICMPv6 - TXTIME abs returned '', expected 'OK' Case ICMPv6 - TXTIME rel returned '', expected 'OK' FAIL - 5/36 cases failed After: # ./tools/testing/selftests/net/cmsg_time.sh OK Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: net: rename cmsg_so_markJakub Kicinski2022-02-101-1/+1
| | | | | | | Rename the file in prep for generalization. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: add arp_ndisc_evict_nocarrier to MakefileJames Prestwood2021-11-241-0/+1
| | | | | | | | | This was previously added in selftests but never added to the Makefile Signed-off-by: James Prestwood <prestwoj@gmail.com> Link: https://lore.kernel.org/r/20211122171806.3529401-1-prestwoj@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* kselftests/net: add missed toeplitz.sh/toeplitz_client.sh to MakefileHangbin Liu2021-11-031-0/+1
| | | | | | | | | | | | | | | | 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>
* kselftests/net: add missed vrf_strict_mode_test.sh test to MakefileHangbin Liu2021-11-031-0/+1
| | | | | | | | | | | | 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>
* kselftests/net: add missed SRv6 testsHangbin Liu2021-11-031-0/+3
| | | | | | | | | | | | | | 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>
* kselftests/net: add missed setup_loopback.sh/setup_veth.sh to MakefileHangbin Liu2021-11-031-1/+1
| | | | | | | | | | | | | | 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>
* kselftests/net: add missed icmp.sh test to MakefileHangbin Liu2021-11-031-1/+1
| | | | | | | | | | | | 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>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2021-11-021-0/+2
|\ | | | | | | | | | | Merge in the fixes we had queued in case there was another -rc. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| * selftests: udp: test for passing SO_MARK as cmsgJakub Kicinski2021-11-011-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | selftests: add amt interface selftest scriptTaehee Yoo2021-11-011-0/+1
|/ | | | | | | | 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>
* selftests: add simple GSO GRE testJakub Kicinski2021-09-021-0/+1
| | | | | | | Test case for commit a6e3f2985a80 ("ip6_tunnel: fix GRE6 segmentation"). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: allow GRO coalesce test on vethPaolo Abeni2021-08-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This change extends the existing GRO coalesce test to allow running on top of a veth pair, so that no H/W dep is required to run them. By default gro.sh will use the veth backend, and will try to use exiting H/W in loopback mode if a specific device name is provided with the '-i' command line option. No functional change is intended for the loopback-based tests, just move all the relevant initialization/cleanup code into the related script. Introduces a new initialization helper script for the veth backend, and plugs the correct helper script according to the provided command line. Additionally, enable veth-based tests by default. v1 -> v2: - drop unused code in setup_veth_ns() - Willem Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: toeplitz testCoco Li2021-08-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | To verify that this hash implements the Toeplitz hash function. Additionally, provide a script toeplitz.sh to run the test in loopback mode on a networking device of choice (see setup_loopback.sh). Since the script modifies the NIC setup, it will not be run by selftests automatically. Tested: ./toeplitz.sh -i eth0 -irq_prefix <eth0_pattern> -t -6 carrier ready rxq 0: cpu 14 rxq 1: cpu 20 rxq 2: cpu 17 rxq 3: cpu 23 cpu 14: rx_hash 0x69103ebc [saddr fda8::2 daddr fda8::1 sport 58938 dport 8000] OK rxq 0 (cpu 14) ... cpu 20: rx_hash 0x257118b9 [saddr fda8::2 daddr fda8::1 sport 59258 dport 8000] OK rxq 1 (cpu 20) count: pass=111 nohash=0 fail=0 Test Succeeded! Signed-off-by: Coco Li <lixiaoyan@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: GRO coalesce testCoco Li2021-08-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement a GRO testsuite that expects Linux kernel GRO behavior. All tests pass with the kernel software GRO stack. Run against a device with hardware GRO to verify that it matches the software stack. gro.c generates packets and sends them out through a packet socket. The receiver in gro.c (run separately) receives the packets on a packet socket, filters them by destination ports using BPF and checks the packet geometry to see whether GRO was applied. gro.sh provides a wrapper to run the gro.c in NIC loopback mode. It is not included in continuous testing because it modifies network configuration around a physical NIC: gro.sh sets the NIC in loopback mode, creates macvlan devices on the physical device in separate namespaces, and sends traffic generated by gro.c between the two namespaces to observe coalescing behavior. GRO coalescing is time sensitive. Some tests may prove flaky on some hardware. Note that this test suite tests for software GRO unless hardware GRO is enabled (ethtool -K $DEV rx-gro-hw on). To test, run ./gro.sh. The wrapper will output success or failed test names, and generate log.txt and stderr. Sample log.txt result: ... pure data packet of same size: Test succeeded large data packets followed by a smaller one: Test succeeded small data packets followed by a larger one: Test succeeded ... Sample stderr result: ... carrier ready running test ipv4 data Expected {200 }, Total 1 packets Received {200 }, Total 1 packets. ... Signed-off-by: Coco Li <lixiaoyan@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: net: Test for the IOAM insertion with IPv6Justin Iurman2021-07-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This test evaluates the IOAM insertion for IPv6 by checking the IOAM data integrity on the receiver. The topology is formed by 3 nodes: Alpha (sender), Beta (router in-between) and Gamma (receiver). An IOAM domain is configured from Alpha to Gamma only, which means not on the reverse path. When Gamma is the destination, Alpha adds an IOAM option (Pre-allocated Trace) inside a Hop-by-hop and fills the trace with its own IOAM data. Beta and Gamma also fill the trace. The IOAM data integrity is checked on Gamma, by comparing with the pre-defined IOAM configuration (see below). +-------------------+ +-------------------+ | | | | | alpha netns | | gamma netns | | | | | | +-------------+ | | +-------------+ | | | veth0 | | | | veth0 | | | | db01::2/64 | | | | db02::2/64 | | | +-------------+ | | +-------------+ | | . | | . | +-------------------+ +-------------------+ . . . . . . +----------------------------------------------------+ | . . | | +-------------+ +-------------+ | | | veth0 | | veth1 | | | | db01::1/64 | ................ | db02::1/64 | | | +-------------+ +-------------+ | | | | beta netns | | | +--------------------------+-------------------------+ ~~~~~~~~~~~~~~~~~~~~~~ | IOAM configuration | ~~~~~~~~~~~~~~~~~~~~~~ Alpha +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 1 | +-----------------------------------------------------------+ | Node Wide ID | 11111111 | +-----------------------------------------------------------+ | Ingress ID | 0xffff (default value) | +-----------------------------------------------------------+ | Ingress Wide ID | 0xffffffff (default value) | +-----------------------------------------------------------+ | Egress ID | 101 | +-----------------------------------------------------------+ | Egress Wide ID | 101101 | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee0 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf00dc0de | +-----------------------------------------------------------+ | Schema ID | 777 | +-----------------------------------------------------------+ | Schema Data | something that will be 4n-aligned | +-----------------------------------------------------------+ Note: When Gamma is the destination, Alpha adds an IOAM Pre-allocated Trace option inside a Hop-by-hop, where 164 bytes are pre-allocated for the trace, with 123 as the IOAM-Namespace and with 0xfff00200 as the trace type (= all available options at this time). As a result, and based on IOAM configurations here, only both Alpha and Beta should be capable of inserting their IOAM data while Gamma won't have enough space and will set the overflow bit. Beta +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 2 | +-----------------------------------------------------------+ | Node Wide ID | 22222222 | +-----------------------------------------------------------+ | Ingress ID | 201 | +-----------------------------------------------------------+ | Ingress Wide ID | 201201 | +-----------------------------------------------------------+ | Egress ID | 202 | +-----------------------------------------------------------+ | Egress Wide ID | 202202 | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee1 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf11dc0de | +-----------------------------------------------------------+ | Schema ID | 0xffffff (= None) | +-----------------------------------------------------------+ | Schema Data | | +-----------------------------------------------------------+ Gamma +-----------------------------------------------------------+ | Type | Value | +-----------------------------------------------------------+ | Node ID | 3 | +-----------------------------------------------------------+ | Node Wide ID | 33333333 | +-----------------------------------------------------------+ | Ingress ID | 301 | +-----------------------------------------------------------+ | Ingress Wide ID | 301301 | +-----------------------------------------------------------+ | Egress ID | 0xffff (default value) | +-----------------------------------------------------------+ | Egress Wide ID | 0xffffffff (default value) | +-----------------------------------------------------------+ | Namespace Data | 0xdeadbee2 | +-----------------------------------------------------------+ | Namespace Wide Data | 0xcafec0caf22dc0de | +-----------------------------------------------------------+ | Schema ID | 0xffffff (= None) | +-----------------------------------------------------------+ | Schema Data | | +-----------------------------------------------------------+ Signed-off-by: Justin Iurman <justin.iurman@uliege.be> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools/testing: add a selftest for SO_NETNS_COOKIELorenz Bauer2021-06-241-1/+1
| | | | | | | | | Make sure that SO_NETNS_COOKIE returns a non-zero value, and that sockets from different namespaces have a distinct cookie value. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: bump timeout to 5 minutesPo-Hsu Lin2021-04-231-0/+2
| | | | | | | | | | | | | | | | | We found that with the latest mainline kernel (5.12.0-051200rc8) on some KVM instances / bare-metal systems, the following tests will take longer than the kselftest framework default timeout (45 seconds) to run and thus got terminated with TIMEOUT error: * xfrm_policy.sh - took about 2m20s * pmtu.sh - took about 3m5s * udpgso_bench.sh - took about 60s Bump the timeout setting to 5 minutes to allow them have a chance to finish. https://bugs.launchpad.net/bugs/1856010 Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* self-tests: add veth testsPaolo Abeni2021-04-121-0/+1
| | | | | | | | Add some basic veth tests, that verify the expected flags and aggregation with different setups (default, xdp, etc...) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: net: add UDP GRO forwarding self-testsPaolo Abeni2021-03-311-0/+1
| | | | | | | | | | | | | | | | | | | | Create a bunch of virtual topologies and verify that NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD-enabled devices aggregate the ingress packets as expected. Additionally check that the aggregate packets are segmented correctly when landing on a socket Also test SKB_GSO_FRAGLIST and SKB_GSO_UDP_L4 aggregation on top of UDP tunnel (vxlan) v1 -> v2: - hopefully clarify the commit message - moved the overlay network ipv6 range into the 'documentation' reserved range (Willem) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: add IPv4 unicast extensions testsSeth David Schoen2021-01-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | Add selftests for kernel behavior with regard to various classes of unallocated/reserved IPv4 addresses, checking whether or not these addresses can be assigned as unicast addresses on links and used in routing. Expect the current kernel behavior at the time of this patch. That is: * 0/8 and 240/4 may be used as unicast, with the exceptions of 0.0.0.0 and 255.255.255.255; * the lowest address in a subnet may only be used as a broadcast address; * 127/8 may not be used as unicast (the route_localnet option, which is disabled by default, still leaves it treated slightly specially); * 224/4 may not be used as unicast. Signed-off-by: Seth David Schoen <schoen@loyalty.org> Suggested-by: John Gilmore <gnu@toad.com> Acked-by: Dave Taht <dave.taht@gmail.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20210126040834.GR24989@frotz.zork.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* selftests: add test script for bareudp tunnelsGuillaume Nault2020-11-031-0/+1
| | | | | | | | | | | | | | | | | | | | | Test different encapsulation modes of the bareudp module: * Unicast MPLS, * IPv4 only, * IPv4 in multiproto mode (that is, IPv4 and IPv6), * IPv6. Each mode is tested with both an IPv4 and an IPv6 underlay. v2: * Add build dependencies in config file (Willem de Bruijn). * The MPLS test now uses its own IP addresses. This minimises the amount of cleanup between tests and simplifies the script. * Verify that iproute2 supports bareudp tunnels before running the script (and other minor usability improvements). Signed-off-by: Guillaume Nault <gnault@redhat.com> Link: https://lore.kernel.org/r/8abc0e58f8a7eeb404f82466505a73110bc43ab8.1604088587.git.gnault@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2020-10-151-0/+1
|\ | | | | | | | | | | | | | | | | | | 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>
| * selftests: Add VRF route leaking testsMichael Jeanson2020-10-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge branch 'master' of ↵David S. Miller2020-10-021-0/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | selftest/net/xfrm: Add test for ipsec tunnelDmitry Safonov2020-09-241-0/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* / selftests: net: Add drop monitor testIdo Schimmel2020-10-011-0/+1
|/ | | | | | | | | | | | | | | | | | | | | 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>
* selftests: net: Add port split testDanielle Ratson2020-07-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | Test port split configuration using previously added number of port lanes attribute. Check that all the splittable ports are successfully split to their maximum number of lanes and below, and that those which are not splittable fail to be split. Test output example: TEST: swp4 is unsplittable [ OK ] TEST: split port swp53 into 4 [ OK ] TEST: Unsplit port pci/0000:03:00.0/25 [ OK ] TEST: split port swp53 into 2 [ OK ] TEST: Unsplit port pci/0000:03:00.0/25 [ OK ] 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>
* selftests/net: plug rxtimestamp test into kselftest frameworktannerlove2020-06-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Run rxtimestamp as part of TEST_PROGS. Analogous to other tests, add new rxtimestamp.sh wrapper script, so that the test runs isolated from background traffic in a private network namespace. Also ignore failures of test case #6 by default. This case verifies that a receive timestamp is not reported if timestamp reporting is enabled for a socket, but generation is disabled. Receive timestamp generation has to be enabled globally, as no associated socket is known yet. A background process that enables rx timestamp generation therefore causes a false positive. Ntpd is one example that does. Add a "--strict" option to cause failure in the event that any test case fails, including test #6. This is useful for environments that are known to not have such background processes. Tested: make -C tools/testing/selftests TARGETS="net" run_tests 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>
* selftests: Add tests for vrf and xfrmsDavid Ahern2020-04-231-0/+1
| | | | | | | | | | Add tests for vrf and xfrms with a second round after adding a qdisc. There are a few known problems documented with the test cases that fail. The fix is non-trivial; will come back to it when time allows. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: move timestamping selftests to net folderJian Yang2020-03-301-1/+3
| | | | | | | | | | | For historical reasons, there are several timestamping selftest targets in selftests/networking/timestamping. Move them to the standard directory for networking tests: selftests/net. Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller2020-03-261-1/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | Overlapping header include additions in macsec.c A bug fix in 'net' overlapping with the removal of 'version' string in ena_netdev.c Overlapping test additions in selftests Makefile Overlapping PCI ID table adjustments in iwlwifi driver. Signed-off-by: David S. Miller <davem@davemloft.net>
| * selftests/net: add missing tests to MakefileHangbin Liu2020-03-251-1/+3
| | | | | | | | | | | | | | | | | | Find some tests are missed in Makefile by running: for file in $(ls *.sh); do grep -q $file Makefile || echo $file; done Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.Kuniyuki Iwashima2020-03-121-0/+2
|/ | | | | | | | | | | | | | | | This commit adds a test to check if we can fully utilize 4-tuples for connect() when all ephemeral ports are exhausted. The test program changes the local port range to use only one port and binds two sockets with or without SO_REUSEADDR and SO_REUSEPORT, and with the same EUID or with different EUIDs, then do listen(). We should be able to bind only one socket having both SO_REUSEADDR and SO_REUSEPORT per EUID, which restriction is to prevent unintentional listen(). Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: use LDLIBS for libraries instead of LDFLAGSDmitry Safonov2020-02-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While building selftests, the following errors were observed: > tools/testing/selftests/timens' > gcc -Wall -Werror -pthread -lrt -ldl timens.c -o tools/testing/selftests/timens/timens > /usr/bin/ld: /tmp/ccGy5CST.o: in function `check_config_posix_timers': > timens.c:(.text+0x65a): undefined reference to `timer_create' > collect2: error: ld returned 1 exit status Quoting commit 870f193d48c2 ("selftests: net: use LDLIBS instead of LDFLAGS"): The default Makefile rule looks like: $(CC) $(CFLAGS) $(LDFLAGS) $@ $^ $(LDLIBS) When linking is done by gcc itself, no issue, but when it needs to be passed to proper ld, only LDLIBS follows and then ld cannot know what libs to link with. More detail: https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html LDFLAGS Extra flags to give to compilers when they are supposed to invoke the linker, ‘ld’, such as -L. Libraries (-lfoo) should be added to the LDLIBS variable instead. LDLIBS Library flags or names given to compilers when they are supposed to invoke the linker, ‘ld’. LOADLIBES is a deprecated (but still supported) alternative to LDLIBS. Non-library linker flags, such as -L, should go in the LDFLAGS variable. While at here, correct other selftests, not only timens ones. Reported-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Dmitry Safonov <dima@arista.com> Tested-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
* selftests: net: Add FIN_ACK processing order related latency spike testSeongJae Park2020-02-021-0/+2
| | | | | | | | | | | | | | | | | | | | | | This commit adds a test for FIN_ACK process races related reconnection latency spike issues. The issue has described and solved by the previous commit ("tcp: Reduce SYN resend delay if a suspicous ACK is received"). The test program is configured with a server and a client process. The server creates and binds a socket to a port that dynamically allocated, listen on it, and start a infinite loop. Inside the loop, it accepts connection, reads 4 bytes from the socket, and closes the connection. The client is constructed as an infinite loop. Inside the loop, it creates a socket with LINGER and NODELAY option, connect to the server, send 4 bytes data, try read some data from server. After the read() returns, it measure the latency from the beginning of this loop to this point and if the latency is larger than 1 second (spike), print a message. Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: SeongJae Park <sjpark@amazon.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* selftest: net: add some traceroute testsFrancesco Ruggeri2019-11-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added the following traceroute tests. IPV6: Verify that in this scenario ------------------------ N2 | | ------ ------ N3 ---- | R1 | | R2 |------|H2| ------ ------ ---- | | ------------------------ N1 | ---- |H1| ---- where H1's default route goes through R1 and R1's default route goes through R2 over N2, traceroute6 from H1 to H2 reports R2's address on N2 and not N1. IPV4: Verify that traceroute from H1 to H2 shows 1.0.1.1 in this scenario 1.0.3.1/24 ---- 1.0.1.3/24 1.0.1.1/24 ---- 1.0.2.1/24 1.0.2.4/24 ---- |H1|--------------------------|R1|--------------------------|H2| ---- N1 ---- N2 ---- where net.ipv4.icmp_errors_use_inbound_ifaddr is set on R1 and 1.0.3.1/24 and 1.0.1.1/24 are respectively R1's primary and secondary address on N1. v2: fixed some typos, and have bridge in R1 instead of R2 in IPV6 test. Signed-off-by: Francesco Ruggeri <fruggeri@arista.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: Add l2tp testsDavid Ahern2019-08-091-1/+1
| | | | | | | | | | | Add IPv4 and IPv6 l2tp tests. Current set is over IP and with IPsec. v2 - add l2tp.sh to TEST_PROGS in Makefile Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: Setup for functional tests for fib and socket lookupsDavid Ahern2019-08-031-1/+1
| | | | | | | | | Initial commit for functional test suite for fib and socket lookups. This commit contains the namespace setup, networking config, test options and other basic infrastructure. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: Add nettestDavid Ahern2019-08-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | Add nettest - a simple program with an implementation for various networking APIs. nettest is used for tcp, udp and raw functional tests for both IPv4 and IPv6. Point of this command versus existing utilities: - controlled implementation of the APIs and the order in which they are called, - ability to verify ingress device, local and remote addresses, - timeout for controlled test length, - ability to discriminate a timeout from a system call failure, and - simplicity with test scripts. The command returns: 0 on success, 1 for any system call failure, and 2 on timeout. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* blackhole_dev: add a selftestMahesh Bandewar2019-07-021-1/+1
| | | | | | | | | Since this is not really a device with all capabilities, this test ensures that it has *enough* to make it through the data path without causing unwanted side-effects (read crash!). Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: add TFO key rotation selftestJason Baron2019-05-301-0/+2
| | | | | | | | | | Demonstrate how the primary and backup TFO keys can be rotated while minimizing the number of client cookies that are rejected. Signed-off-by: Jason Baron <jbaron@akamai.com> Signed-off-by: Christoph Paasch <cpaasch@apple.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: ipv6 flowlabelWillem de Bruijn2019-05-291-2/+2
| | | | | | | | | | | | | | | | Test the IPv6 flowlabel control and datapath interfaces: Acquire and release the right to use flowlabels with socket option IPV6_FLOWLABEL_MGR. Then configure flowlabels on send and read them on recv with cmsg IPV6_FLOWINFO. Also verify auto-flowlabel if not explicitly set. This helped identify the issue fixed in commit 95c169251bf73 ("ipv6: invert flowlabel sharing check in process and user mode") Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: SO_TXTIME with ETF and FQWillem de Bruijn2019-05-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SO_TXTIME API enables packet tranmission with delayed delivery. This is currently supported by the ETF and FQ packet schedulers. Evaluate the interface with both schedulers. Install the scheduler and send a variety of packets streams: without delay, with one delayed packet, with multiple ordered delays and with reordering. Verify that packets are released by the scheduler in expected order. The ETF qdisc requires a timestamp in the future on every packet. It needs a delay on the qdisc else the packet is dropped on dequeue for having a delivery time in the past. The test value is experimentally derived. ETF requires clock_id CLOCK_TAI. It checks this base and drops for non-conformance. The FQ qdisc expects clock_id CLOCK_MONOTONIC, the base used by TCP as of commit fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC"). Within a flow there is an expecation of ordered delivery, as shown by delivery times of test 4. The FQ qdisc does not require all packets to have timestamps and does not drop for non-conformance. The large (msec) delays are chosen to avoid flakiness. Output: SO_TXTIME ipv6 clock monotonic payload:a delay:28 expected:0 (us) SO_TXTIME ipv4 clock monotonic payload:a delay:38 expected:0 (us) SO_TXTIME ipv6 clock monotonic payload:a delay:40 expected:0 (us) SO_TXTIME ipv4 clock monotonic payload:a delay:33 expected:0 (us) SO_TXTIME ipv6 clock monotonic payload:a delay:10120 expected:10000 (us) SO_TXTIME ipv4 clock monotonic payload:a delay:10102 expected:10000 (us) [.. etc ..] OK. All tests passed Changes v1->v2: update commit message output Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: net: use LDLIBS instead of LDFLAGSFathi Boudra2019-01-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | reuseport_bpf_numa fails to build due to undefined reference errors: aarch64-linaro-linux-gcc --sysroot=/build/tmp-rpb-glibc/sysroots/hikey -Wall -Wl,--no-as-needed -O2 -g -I../../../../usr/include/ -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -lnuma reuseport_bpf_numa.c -o /build/tmp-rpb-glibc/work/hikey-linaro-linux/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/net/reuseport_bpf_numa /tmp/ccfUuExT.o: In function `send_from_node': /build/tmp-rpb-glibc/work/hikey-linaro-linux/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/net/reuseport_bpf_numa.c:138: undefined reference to `numa_run_on_node' /tmp/ccfUuExT.o: In function `main': /build/tmp-rpb-glibc/work/hikey-linaro-linux/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/net/reuseport_bpf_numa.c:230: undefined reference to `numa_available' /build/tmp-rpb-glibc/work/hikey-linaro-linux/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/net/reuseport_bpf_numa.c:233: undefined reference to `numa_max_node' It's GNU Make and linker specific. The default Makefile rule looks like: $(CC) $(CFLAGS) $(LDFLAGS) $@ $^ $(LDLIBS) When linking is done by gcc itself, no issue, but when it needs to be passed to proper ld, only LDLIBS follows and then ld cannot know what libs to link with. More detail: https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html LDFLAGS Extra flags to give to compilers when they are supposed to invoke the linker, ‘ld’, such as -L. Libraries (-lfoo) should be added to the LDLIBS variable instead. LDLIBS Library flags or names given to compilers when they are supposed to invoke the linker, ‘ld’. LOADLIBES is a deprecated (but still supported) alternative to LDLIBS. Non-library linker flags, such as -L, should go in the LDFLAGS variable. https://lkml.org/lkml/2010/2/10/362 tools/perf: libraries must come after objects Link order matters, use LDLIBS instead of LDFLAGS to properly link against libnuma. Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org> Signed-off-by: Shuah Khan <shuah@kernel.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2018-12-201-0/+1
|\ | | | | | | | | | | | | | | | | | | Lots of conflicts, by happily all cases of overlapping changes, parallel adds, things of that nature. Thanks to Stephen Rothwell, Saeed Mahameed, and others for their guidance in these resolutions. Signed-off-by: David S. Miller <davem@davemloft.net>
| * selftests: net: Add test_vxlan_fdb_changelink.shPetr Machata2018-12-191-0/+1
| | | | | | | | | | | | | | Add a test to exercise the fix from the previous patch. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2018-12-181-1/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2018-12-18 1) Add xfrm policy selftest scripts. From Florian Westphal. 2) Split inexact policies into four different search list classes and use the rbtree infrastructure to store/lookup the policies. This is to improve the policy lookup performance after the flowcache removal. Patches from Florian Westphal. 3) Various coding style fixes, from Colin Ian King. 4) Fix policy lookup logic after adding the inexact policy search tree infrastructure. From Florian Westphal. 5) Remove a useless remove BUG_ON from xfrm6_dst_ifdown. From Li RongQing. 6) Use the correct policy direction for lookups on hash rebuilding. From Florian Westphal. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | selftests: add xfrm policy test scriptFlorian Westphal2018-11-091-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | add a script that adds a ipsec tunnel between two network namespaces plus following policies: .0/24 -> ipsec tunnel .240/28 -> bypass .253/32 -> ipsec tunnel Then check that .254 bypasses tunnel (match /28 exception), and .2 (match /24) and .253 (match direct policy) pass through the tunnel. Abuses iptables to check if ping did resolve an ipsec policy or not. Also adds a bunch of 'block' rules that are not supposed to match. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* | | selftests: net: test that listening sockets match on address properlyPeter Oskolkov2018-12-151-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a selftest that verifies that a socket listening on a specific address is chosen in preference over sockets that listen on any address. The test covers UDP/UDP6/TCP/TCP6. It is based on, and similar to, reuseport_dualstack.c selftest. Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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