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2020-06-09selftests/net: in rxtimestamp getopt_long needs terminating null entrytannerlove
getopt_long requires the last element to be filled with zeros. Otherwise, passing an unrecognized option can cause a segfault. 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>
2020-06-08selftests/net: in timestamping, strncpy needs to preserve null bytetannerlove
If user passed an interface option longer than 15 characters, then device.ifr_name and hwtstamp.ifr_name became non-null-terminated strings. The compiler warned about this: timestamping.c:353:2: warning: ‘strncpy’ specified bound 16 equals \ destination size [-Wstringop-truncation] 353 | strncpy(device.ifr_name, interface, sizeof(device.ifr_name)); Fixes: cb9eff097831 ("net: new user space API for time stamping of incoming and outgoing packets") 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>
2020-06-08net/tls(TLS_SW): Add selftest for 'chunked' sendfile testPooja Trivedi
This selftest tests for cases where sendfile's 'count' parameter is provided with a size greater than the intended file size. Motivation: When sendfile is provided with 'count' parameter value that is greater than the size of the file, kTLS example fails to send the file correctly. Last chunk of the file is not sent, and the data integrity is compromised. The reason is that the last chunk has MSG_MORE flag set because of which it gets added to pending records, but is not pushed. Note that if user space were to send SSL_shutdown control message, pending records would get flushed and the issue would not happen. So a shutdown control message following sendfile can mask the issue. Signed-off-by: Pooja Trivedi <pooja.trivedi@stackpath.com> Signed-off-by: Mallesham Jatharkonda <mallesham.jatharkonda@oneconvergence.com> Signed-off-by: Josh Tway <josh.tway@stackpath.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-02selftests: net: ip_defrag: ignore EPERMThadeu Lima de Souza Cascardo
When running with conntrack rules, the dropped overlap fragments may cause EPERM to be returned to sendto. Instead of completely failing, just ignore those errors and continue. If this causes packets with overlap fragments to be dropped as expected, that is okay. And if it causes packets that are expected to be received to be dropped, which should not happen, it will be detected as failure. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-01selftests: mlxsw: Add test for control packetsIdo Schimmel
Generate packets matching the various control traps and check that the traps' stats increase accordingly. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-30selftests: forwarding: pedit_dsfield: Check counter valuePetr Machata
A missing stats_update callback was recently added to act_pedit. Now that iproute2 supports JSON dumping for pedit, extend the pedit_dsfield selftest with a check that would have caught the fact that the callback was missing. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-30selftests: forwarding: mirror_lib: Use mausezahnPetr Machata
Using ping in tests is error-prone, because ping is too smart. On a flaky system (notably in a simulator), when packets don't come quickly enough, more pings are sent, and that throws off counters. Instead use mausezahn to generate ICMP echo request packets. That allows us to send them in quicker succession as well, because the reason the ping was made slow in the first place was to make the tests work on simulated systems. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-28selftests: Add torture tests to nexthop testsDavid Ahern
Add Nik's torture tests as a new set to stress the replace and cleanup paths. Torture test created by Nikolay Aleksandrov and then I adapted to selftest and added IPv6 version. Signed-off-by: David Ahern <dsahern@kernel.org> Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-27net: add large ecmp group nexthop testsStephen Worley
Add a couple large ecmp group nexthop selftests to cover the remnant fixed by d69100b8eee27c2d60ee52df76e0b80a8d492d34. The tests create 100 x32 ecmp groups of ipv4 and ipv6 and then dump them. On kernels without the fix, they will fail due to data remnant during the dump. Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com> Reviewed-by: David Ahern <dsahern@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-22selftests: net: add fdb nexthop testsRoopa Prabhu
This commit adds ipv4 and ipv6 fdb nexthop api tests to fib_nexthops.sh. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-17selftests: Drop 'pref medium' in route checksDavid Ahern
The 'pref medium' attribute was moved in iproute2 to be near the prefix which is where it applies versus after the last nexthop. The nexthop tests were updated to drop the string from route checking, but it crept in again with the compat tests. Fixes: 4dddb5be136a ("selftests: net: add new testcases for nexthop API compat mode sysctl") Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-16selftests: mlxsw: Do not hard code trap group nameIdo Schimmel
It can be derived dynamically from the trap's name, so drop it. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-16selftests: devlink_lib: Remove double blank lineIdo Schimmel
One blank line is enough. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Move the bpf verifier trace check into the new switch statement in HEAD. Resolve the overlapping changes in hinic, where bug fixes overlap the addition of VF support. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15selftests: mptcp: pm: rm the right tmp fileMatthieu Baerts
"$err" is a variable pointing to a temp file. "$out" is not: only used as a local variable in "check()" and representing the output of a command line. Fixes: eedbc685321b (selftests: add PM netlink functional tests) Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Conflicts were all overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-06selftests: net: tcp_mmap: fix SO_RCVLOWAT settingEric Dumazet
Since chunk_size is no longer an integer, we can not use it directly as an argument of setsockopt(). This patch should fix tcp_mmap for Big Endian kernels. Fixes: 597b01edafac ("selftests: net: avoid ptl lock contention in tcp_mmap") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Cc: Arjun Roy <arjunroy@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-06selftests: net: tcp_mmap: clear whole tcp_zerocopy_receive structEric Dumazet
We added fields in tcp_zerocopy_receive structure, so make sure to clear all fields to not pass garbage to the kernel. We were lucky because recent additions added 'out' parameters, still we need to clean our reference implementation, before folks copy/paste it. Fixes: c8856c051454 ("tcp-zerocopy: Return inq along with tcp receive zerocopy.") Fixes: 33946518d493 ("tcp-zerocopy: Return sk_err (if set) along with tcp receive zerocopy.") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Arjun Roy <arjunroy@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-28selftests: tls: run all tests for TLS 1.2 and TLS 1.3Jakub Kicinski
TLS 1.2 and TLS 1.3 differ in the implementation. Use fixture parameters to run all tests for both versions, and remove the one-off TLS 1.2 test. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-28selftests: net: add new testcases for nexthop API compat mode sysctlRoopa Prabhu
New tests to check route dump and notifications with net.ipv4.nexthop_compat_mode on and off. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-27selftests: forwarding: tc_actions.sh: add matchall mirror testJiri Pirko
Add test for matchall classifier with mirred egress mirror action. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Simple overlapping changes to linux/vermagic.h Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22selftests: A few improvements to fib_nexthops.shDavid Ahern
Add nodad when adding IPv6 addresses and remove the sleep. A recent change to iproute2 moved the 'pref medium' to the prefix (where it belongs). Change the expected route check to strip 'pref medium' to be compatible with old and new iproute2. Add IPv4 runtime test with an IPv6 address as the gateway in the default route. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22ipv4: Update fib_select_default to handle nexthop objectsDavid Ahern
A user reported [0] hitting the WARN_ON in fib_info_nh: [ 8633.839816] ------------[ cut here ]------------ [ 8633.839819] WARNING: CPU: 0 PID: 1719 at include/net/nexthop.h:251 fib_select_path+0x303/0x381 ... [ 8633.839846] RIP: 0010:fib_select_path+0x303/0x381 ... [ 8633.839848] RSP: 0018:ffffb04d407f7d00 EFLAGS: 00010286 [ 8633.839850] RAX: 0000000000000000 RBX: ffff9460b9897ee8 RCX: 00000000000000fe [ 8633.839851] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 8633.839852] RBP: ffff946076049850 R08: 0000000059263a83 R09: ffff9460840e4000 [ 8633.839853] R10: 0000000000000014 R11: 0000000000000000 R12: ffffb04d407f7dc0 [ 8633.839854] R13: ffffffffa4ce3240 R14: 0000000000000000 R15: ffff9460b7681f60 [ 8633.839857] FS: 00007fcac2e02700(0000) GS:ffff9460bdc00000(0000) knlGS:0000000000000000 [ 8633.839858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8633.839859] CR2: 00007f27beb77e28 CR3: 0000000077734000 CR4: 00000000000006f0 [ 8633.839867] Call Trace: [ 8633.839871] ip_route_output_key_hash_rcu+0x421/0x890 [ 8633.839873] ip_route_output_key_hash+0x5e/0x80 [ 8633.839876] ip_route_output_flow+0x1a/0x50 [ 8633.839878] __ip4_datagram_connect+0x154/0x310 [ 8633.839880] ip4_datagram_connect+0x28/0x40 [ 8633.839882] __sys_connect+0xd6/0x100 ... The WARN_ON is triggered in fib_select_default which is invoked when there are multiple default routes. Update the function to use fib_info_nhc and convert the nexthop checks to use fib_nh_common. Add test case that covers the affected code path. [0] https://github.com/FRRouting/frr/issues/6089 Fixes: 493ced1ac47c ("ipv4: Allow routes to use nexthop objects") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22selftests: forwarding: pedit_dsfield: Add pedit munge ip6 dsfieldPetr Machata
Extend the pedit_dsfield forwarding selftest with coverage of "pedit ex munge ip6 dsfield set". Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22selftests: Add tests for vrf and xfrmsDavid Ahern
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>
2020-04-22selftests: Fix suppress test in fib_tests.shDavid Ahern
fib_tests is spewing errors: ... Cannot open network namespace "ns1": No such file or directory Cannot open network namespace "ns1": No such file or directory Cannot open network namespace "ns1": No such file or directory Cannot open network namespace "ns1": No such file or directory ping: connect: Network is unreachable Cannot open network namespace "ns1": No such file or directory Cannot open network namespace "ns1": No such file or directory ... Each test entry in fib_tests is supposed to do its own setup and cleanup. Right now the $IP commands in fib_suppress_test are failing because there is no ns1. Add the setup/cleanup and logging expected for each test. Fixes: ca7a03c41753 ("ipv6: do not free rt if FIB_LOOKUP_NOREF is set on suppress rule") Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20selftests: pmtu: implement IPIP, SIT and ip6tnl PMTU discovery testsLourdes Pedrajas
Add PMTU discovery tests for these encapsulations: - IPIP - SIT, mode ip6ip - ip6tnl, modes ip6ip6 and ipip6 Signed-off-by: Lourdes Pedrajas <lu@pplo.net> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-03Merge tag 'spdx-5.7-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here are three SPDX patches for 5.7-rc1. One fixes up the SPDX tag for a single driver, while the other two go through the tree and add SPDX tags for all of the .gitignore files as needed. Nothing too complex, but you will get a merge conflict with your current tree, that should be trivial to handle (one file modified by two things, one file deleted.) All three of these have been in linux-next for a while, with no reported issues other than the merge conflict" * tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: ASoC: MT6660: make spdxcheck.py happy .gitignore: add SPDX License Identifier .gitignore: remove too obvious comments
2020-03-30selftests: mlxsw: Add test cases for devlink-trap policersIdo Schimmel
Add test cases that verify that each registered packet trap policer: * Honors that imposed limitations of rate and burst size * Able to police trapped packets to the specified rate * Able to police trapped packets to the specified burst size * Able to be unbound from its trap group Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30selftests: netdevsim: Add test cases for devlink-trap policersIdo Schimmel
Add test cases for packet trap policer set / show commands as well as for the binding of these policers to packet trap groups. Both good and bad flows are tested for maximum coverage. v2: * Add test case with new 'fail_trap_policer_set' knob * Add test case for partially modified trap group Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30selftests:mptcp: fix failure due to whitespace damageMatthieu Baerts
'pm_nl_ctl' was adding a trailing whitespace after having printed the IP. But at the end, the IP element is currently always the last one. The bash script launching 'pm_nl_ctl' had trailing whitespaces in the expected result on purpose. But these whitespaces have been removed when the patch has been applied upstream. To avoid trailing whitespaces in the bash code, 'pm_nl_ctl' and expected results have now been adapted. The MPTCP PM selftest can now pass again. Fixes: eedbc685321b (selftests: add PM netlink functional tests) Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-29selftests: add test-cases for MPTCP MP_JOINPaolo Abeni
Use the pm netlink to configure the creation of several subflows, and verify that via MIB counters. Update the mptcp_connect program to allow reliable MP_JOIN handshake even on small data file 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>
2020-03-29selftests: add PM netlink functional testsPaolo Abeni
This introduces basic self-tests for the PM netlink, checking the basic APIs and possible exceptional values. 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>
2020-03-29selftests: move timestamping selftests to net folderJian Yang
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>
2020-03-26selftests: skbedit_priority: Test counters at the skbedit rulePetr Machata
Currently the test checks the observable effect of skbedit priority: queueing of packets at the correct qdisc band. It therefore misses the fact that the counters for offloaded rules are not updated. Add an extra check for the counter. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26selftests: forwarding: Add a forwarding test for pedit munge dsfieldPetr Machata
Add a test that runs packets with dsfield set, and test that pedit adjusts the DSCP or ECN parts or the whole field. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
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>
2020-03-25selftests/net/forwarding: define libs as TEST_PROGS_EXTENDEDHangbin Liu
The lib files should not be defined as TEST_PROGS, or we will run them in run_kselftest.sh. Also remove ethtool_lib.sh exec permission. Fixes: 81573b18f26d ("selftests/net/forwarding: add Makefile to install tests") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25selftests/net: add missing tests to MakefileHangbin Liu
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>
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-23selftests/net/forwarding: add Makefile to install testsVadym Kochan
Add missing Makefile for net/forwarding tests and include it to the targets list, otherwise forwarding tests are not installed in case of cross-compilation. Signed-off-by: Vadym Kochan <vadym.kochan@plvision.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests/net: add definition for SOL_DCCP to fix compilation errors for old ↵Alan Maguire
libc Many systems build/test up-to-date kernels with older libcs, and an older glibc (2.17) lacks the definition of SOL_DCCP in /usr/include/bits/socket.h (it was added in the 4.6 timeframe). Adding the definition to the test program avoids a compilation failure that gets in the way of building tools/testing/selftests/net. The test itself will work once the definition is added; either skipping due to DCCP not being configured in the kernel under test or passing, so there are no other more up-to-date glibc dependencies here it seems beyond that missing definition. Fixes: 11fb60d1089f ("selftests: net: reuseport_addr_any: add DCCP") Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-19selftests: forwarding: Add an skbedit priority selftestPetr Machata
Add a test that runs traffic through a port such that skbedit priority action acts on it during forwarding. Test that at egress, it is classified correctly according to the new priority at a PRIO qdisc. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-18selftests: mlxsw: Add tc action hw_stats testsJiri Pirko
Add tests for mlxsw hw_stats types. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Minor overlapping changes, nothing serious. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-12selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.Kuniyuki Iwashima
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>
2020-03-09mptcp: selftests: add rcvbuf set optionFlorian Westphal
allows to run the tests with fixed receive buffer by passing "-R <value>" to mptcp_connect.sh. While at it, add a default 10 second poll timeout so the "-t" becomes optional -- this makes mptcp_connect simpler to use during manual testing. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-05selftests: forwarding: ETS: Use Qdisc countersPetr Machata
Currently the SW-datapath ETS selftests use "ip link" stats to obtain the number of packets that went through a given band. mlxsw then uses ethtool per-priority counters. Instead, change both to use qdiscs. In SW datapath this is the obvious choice, and now that mlxsw offloads FIFO, this should work on the offloaded datapath as well. This has the effect of verifying that the FIFO offload works. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests: forwarding: tc_common: Convert to use busywaitPetr Machata
A function busywait() was recently added based on the logic in __tc_check_packets(). Convert the code in tc_common to use the new function. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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