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2019-08-07selftests/bpf: add CO-RE relocs ptr-as-array testsAndrii Nakryiko5-0/+69
Add test validating correct relocation handling for cases where pointer to something is used as an array. E.g.: int *ptr = ...; int x = ptr[42]; Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs modifiers/typedef testsAndrii Nakryiko6-0/+170
Add tests validating correct handling of various combinations of typedefs and const/volatile/restrict modifiers. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs enum/ptr/func_proto testsAndrii Nakryiko10-0/+167
Test CO-RE relocation handling of ints, enums, pointers, func protos, etc. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs array testsAndrii Nakryiko11-0/+201
Add tests for various array handling/relocation scenarios. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs nesting testsAndrii Nakryiko16-0/+421
Add a bunch of test validating correct handling of nested structs/unions. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs struct flavors testsAndrii Nakryiko5-0/+117
Add tests verifying that BPF program can use various struct/union "flavors" to extract data from the same target struct/union. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add CO-RE relocs testing setupAndrii Nakryiko2-0/+165
Add CO-RE relocation test runner. Add one simple test validating that libbpf's logic for searching for kernel image and loading BTF out of it works. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07selftests/bpf: add BPF_CORE_READ relocatable read macroAndrii Nakryiko1-0/+20
Add BPF_CORE_READ macro used in tests to do bpf_core_read(), which automatically captures offset relocation. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07libbpf: implement BPF CO-RE offset relocation algorithmAndrii Nakryiko2-18/+864
This patch implements the core logic for BPF CO-RE offsets relocations. Every instruction that needs to be relocated has corresponding bpf_offset_reloc as part of BTF.ext. Relocations are performed by trying to match recorded "local" relocation spec against potentially many compatible "target" types, creating corresponding spec. Details of the algorithm are noted in corresponding comments in the code. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07libbpf: add .BTF.ext offset relocation section loadingAndrii Nakryiko3-42/+136
Add support for BPF CO-RE offset relocations. Add section/record iteration macros for .BTF.ext. These macro are useful for iterating over each .BTF.ext record, either for dumping out contents or later for BPF CO-RE relocation handling. To enable other parts of libbpf to work with .BTF.ext contents, moved a bunch of type definitions into libbpf_internal.h. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07libbpf: convert libbpf code to use new btf helpersAndrii Nakryiko3-221/+158
Simplify code by relying on newly added BTF helper functions. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-07libbpf: add helpers for working with BTF typesAndrii Nakryiko1-0/+178
Add lots of frequently used helpers that simplify working with BTF types. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller53-127/+920
Just minor overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06selftests/bpf: test_progs: drop extra trailing tabStanislav Fomichev1-1/+1
Small (un)related cleanup. Cc: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-06selftests/bpf: test_progs: test__printf -> printfStanislav Fomichev10-38/+22
Now that test__printf is a simple wraper around printf, let's drop it (and test__vprintf as well). Cc: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-06selftests/bpf: test_progs: switch to open_memstreamStanislav Fomichev2-56/+62
Use open_memstream to override stdout during test execution. The copy of the original stdout is held in env.stdout and used to print subtest info and dump failed log. test_{v,}printf are now simple wrappers around stdout and will be removed in the next patch. v5: * fix -v crash by always setting env.std{in,err} (Alexei Starovoitov) * drop force_log check from stdio_hijack (Andrii Nakryiko) v4: * one field per line for stdout/stderr (Andrii Nakryiko) v3: * don't do strlen over log_buf, log_cnt has it already (Andrii Nakryiko) v2: * add ifdef __GLIBC__ around open_memstream (maybe pointless since we already depend on glibc for argp_parse) * hijack stderr as well (Andrii Nakryiko) * don't hijack for every test, do it once (Andrii Nakryiko) * log_cap -> log_size (Andrii Nakryiko) * do fseeko in a proper place (Andrii Nakryiko) * check open_memstream returned value (Andrii Nakryiko) Cc: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-08-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds13-48/+443
Pull networking fixes from David Miller: "Yeah I should have sent a pull request last week, so there is a lot more here than usual: 1) Fix memory leak in ebtables compat code, from Wenwen Wang. 2) Several kTLS bug fixes from Jakub Kicinski (circular close on disconnect etc.) 3) Force slave speed check on link state recovery in bonding 802.3ad mode, from Thomas Falcon. 4) Clear RX descriptor bits before assigning buffers to them in stmmac, from Jose Abreu. 5) Several missing of_node_put() calls, mostly wrt. for_each_*() OF loops, from Nishka Dasgupta. 6) Double kfree_skb() in peak_usb can driver, from Stephane Grosjean. 7) Need to hold sock across skb->destructor invocation, from Cong Wang. 8) IP header length needs to be validated in ipip tunnel xmit, from Haishuang Yan. 9) Use after free in ip6 tunnel driver, also from Haishuang Yan. 10) Do not use MSI interrupts on r8169 chips before RTL8168d, from Heiner Kallweit. 11) Upon bridge device init failure, we need to delete the local fdb. From Nikolay Aleksandrov. 12) Handle erros from of_get_mac_address() properly in stmmac, from Martin Blumenstingl. 13) Handle concurrent rename vs. dump in netfilter ipset, from Jozsef Kadlecsik. 14) Setting NETIF_F_LLTX on mac80211 causes complete breakage with some devices, so revert. From Johannes Berg. 15) Fix deadlock in rxrpc, from David Howells. 16) Fix Kconfig deps of enetc driver, we must have PHYLIB. From Yue Haibing. 17) Fix mvpp2 crash on module removal, from Matteo Croce. 18) Fix race in genphy_update_link, from Heiner Kallweit. 19) bpf_xdp_adjust_head() stopped working with generic XDP when we fixes generic XDP to support stacked devices properly, fix from Jesper Dangaard Brouer. 20) Unbalanced RCU locking in rt6_update_exception_stamp_rt(), from David Ahern. 21) Several memory leaks in new sja1105 driver, from Vladimir Oltean" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (214 commits) net: dsa: sja1105: Fix memory leak on meta state machine error path net: dsa: sja1105: Fix memory leak on meta state machine normal path net: dsa: sja1105: Really fix panic on unregistering PTP clock net: dsa: sja1105: Use the LOCKEDS bit for SJA1105 E/T as well net: dsa: sja1105: Fix broken learning with vlan_filtering disabled net: dsa: qca8k: Add of_node_put() in qca8k_setup_mdio_bus() net: sched: sample: allow accessing psample_group with rtnl net: sched: police: allow accessing police->params with rtnl net: hisilicon: Fix dma_map_single failed on arm64 net: hisilicon: fix hip04-xmit never return TX_BUSY net: hisilicon: make hip04_tx_reclaim non-reentrant tc-testing: updated vlan action tests with batch create/delete net sched: update vlan action for batched events operations net: stmmac: tc: Do not return a fragment entry net: stmmac: Fix issues when number of Queues >= 4 net: stmmac: xgmac: Fix XGMAC selftests be2net: disable bh with spin_lock in be_process_mcc net: cxgb3_main: Fix a resource leak in a error path in 'init_one()' net: ethernet: sun4i-emac: Support phy-handle property for finding PHYs net: bridge: move default pvid init/deinit to NETDEV_REGISTER/UNREGISTER ...
2019-08-06tc-testing: updated vlan action tests with batch create/deleteRoman Mashak1-0/+94
Update TDC tests with cases varifying ability of TC to install or delete batches of vlan actions. Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-06selftests/bpf: add loop test 5Alexei Starovoitov2-0/+33
Add a test with multiple exit conditions. It's not an infinite loop only when the verifier can properly track all math on variable 'i' through all possible ways of executing this loop. barrier()s are needed to disable llvm optimization that combines multiple branches into fewer branches. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com>
2019-08-06selftests/bpf: add loop test 4Alexei Starovoitov2-0/+19
Add a test that returns a 'random' number between [0, 2^20) If state pruning is not working correctly for loop body the number of processed insns will be 2^20 * num_of_insns_in_loop_body and the program will be rejected. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Yonghong Song <yhs@fb.com>
2019-08-05selftests/tls: add a litmus test for the socket reuse through shutdownJakub Kicinski1-0/+24
Make sure that shutdown never works, and at the same time document how I tested to came to the conclusion that currently reuse is not possible. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-05Merge tag 'linux-kselftest-5.3-rc4' of ↵Linus Torvalds2-6/+35
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "A fix to the Kselftest framework to save and restore errno and a fix to livepatch to push and pop dynamic debug config" * tag 'linux-kselftest-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/livepatch: push and pop dynamic debug config kselftest: save-and-restore errno to allow for %m formatting
2019-08-05selftests/bpf: reduce time to execute test_xdp_vlan.shJesper Dangaard Brouer1-5/+5
Given the increasing number of BPF selftests, it makes sense to reduce the time to execute these tests. The ping parameters are adjusted to reduce the time from measures 9 sec to approx 2.8 sec. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-05selftests/bpf: add wrapper scripts for test_xdp_vlan.shJesper Dangaard Brouer4-2/+24
In-order to test both native-XDP (xdpdrv) and generic-XDP (xdpgeneric) create two wrapper test scripts, that start the test_xdp_vlan.sh script with these modes. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-05bpf: fix XDP vlan selftests test_xdp_vlan.shJesper Dangaard Brouer1-6/+36
Change BPF selftest test_xdp_vlan.sh to (default) use generic XDP. This selftest was created together with a fix for generic XDP, in commit 297249569932 ("net: fix generic XDP to handle if eth header was mangled"). And was suppose to catch if generic XDP was broken again. The tests are using veth and assumed that veth driver didn't support native driver XDP, thus it used the (ip link set) 'xdp' attach that fell back to generic-XDP. But veth gained native-XDP support in 948d4f214fde ("veth: Add driver XDP"), which caused this test script to use native-XDP. Fixes: 948d4f214fde ("veth: Add driver XDP") Fixes: 97396ff0bc2d ("selftests/bpf: add XDP selftests for modifying and popping VLAN headers") Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-05][next] selftests: nettest: fix spelling mistake: "potocol" -> "protocol"Colin Ian King1-1/+1
There is a spelling mistake in an error messgae. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds20-35/+352
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf tooling fixes from Thomas Gleixner: "A set of updates for perf tools and documentation: perf header: - Prevent a division by zero - Deal with an uninitialized warning proper libbpf: - Fix the missiong __WORDSIZE definition for musl & al UAPI headers: - Synchronize kernel headers Documentation: - Fix the memory units for perf.data size" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: libbpf: fix missing __WORDSIZE definition perf tools: Fix perf.data documentation units for memory size perf header: Fix use of unitialized value warning perf header: Fix divide by zero error if f_header.attr_size==0 tools headers UAPI: Sync if_link.h with the kernel tools headers UAPI: Sync sched.h with the kernel tools headers UAPI: Sync usbdevice_fs.h with the kernels to get new ioctl tools perf beauty: Fix usbdevfs_ioctl table generator to handle _IOC() tools headers UAPI: Update tools's copy of drm.h headers tools headers UAPI: Update tools's copy of mman.h headers tools headers UAPI: Update tools's copy of kvm.h headers tools include UAPI: Sync x86's syscalls_64.tbl and generic unistd.h to pick up clone3 and pidfd_open
2019-08-03selftests: Add use case section to fcnal-testDavid Ahern1-0/+124
Add use case section to fcnal-test. Initial test is VRF based with a bridge and vlans. The commands stem from bug reports fixed by: a173f066c7cf ("netfilter: bridge: Don't sabotage nf_hook calls from an l3mdev") cd6428988bf4 ("netfilter: bridge: Don't sabotage nf_hook calls for an l3mdev slave") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 netfilter tests to fcnal-testDavid Ahern1-1/+64
Add IPv6 netfilter tests to send tcp reset or icmp unreachable for a port. Initial tests are VRF only. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 netfilter tests to fcnal-testDavid Ahern1-1/+68
Add netfilter tests to send tcp reset or icmp unreachable for a port. Initial tests are VRF only. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 runtime tests to fcnal-testDavid Ahern1-1/+187
Add IPv6 runtime tests where passive (no traffic flowing) and active (with traffic) sockets are expected to be reset on device deletes. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 runtime tests to fcnal-testDavid Ahern1-1/+184
Add runtime tests where passive (no traffic flowing) and active (with traffic) sockets are expected to be reset on device deletes. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 address bind tests to fcnal-testDavid Ahern1-1/+109
Add IPv6 address bind tests to fcnal-test.sh. Verifies socket binding to local addresses for raw, tcp and udp including device and VRF cases. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 address bind tests to fcnal-testDavid Ahern1-1/+110
Add address bind tests to fcnal-test.sh. Verifies socket binding to local addresses for raw, tcp and udp including device and VRF cases. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 udp tests to fcnal-testDavid Ahern1-1/+491
Add IPv6 udp tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures for both clients and servers. Includes permutations with net.ipv4.udp_l3mdev_accept set to 0 and 1. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 udp tests to fcnal-testDavid Ahern1-1/+380
Add udp tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures for both clients and servers. Includes permutations with net.ipv4.udp_l3mdev_accept set to 0 and 1. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 tcp tests to fcnal-testDavid Ahern1-1/+369
Add IPv6 tcp tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures for both clients and servers. Includes permutations with net.ipv4.tcp_l3mdev_accept set to 0 and 1. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 tcp tests to fcnal-testDavid Ahern1-1/+314
Add tcp tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures for both clients and servers. Includes permutations with net.ipv4.tcp_l3mdev_accept set to 0 and 1. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv6 ping tests to fcnal-testDavid Ahern1-1/+283
Add IPv6 ping tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures. Setup includes unreachable routes and fib rules blocking traffic. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Add ipv4 ping tests to fcnal-testDavid Ahern1-1/+267
Add ping tests to fcnal-test.sh. Covers the permutations of directly connected addresses, routed destinations, VRF and non-VRF, and expected failures. Setup includes unreachable routes and fib rules blocking traffic. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-03selftests: Setup for functional tests for fib and socket lookupsDavid Ahern2-1/+521
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>
2019-08-03selftests: Add nettestDavid Ahern2-1/+1757
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>
2019-08-03cgroup: kselftest: relax fs_spec checksChris Down1-2/+1
On my laptop most memcg kselftests were being skipped because it claimed cgroup v2 hierarchy wasn't mounted, but this isn't correct. Instead, it seems current systemd HEAD mounts it with the name "cgroup2" instead of "cgroup": % grep cgroup /proc/mounts cgroup2 /sys/fs/cgroup cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0 I can't think of a reason to need to check fs_spec explicitly since it's arbitrary, so we can just rely on fs_vfstype. After these changes, `make TARGETS=cgroup kselftest` actually runs the cgroup v2 tests in more cases. Link: http://lkml.kernel.org/r/20190723210737.GA487@chrisdown.name Signed-off-by: Chris Down <chris@chrisdown.name> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Tejun Heo <tj@kernel.org> Cc: Roman Gushchin <guro@fb.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-01selftests/bpf: extend sockopt_sk selftest with TCP_CONGESTION use caseStanislav Fomichev2-0/+47
Ignore SOL_TCP:TCP_CONGESTION in getsockopt and always override SOL_TCP:TCP_CONGESTION with "cubic" in setsockopt hook. Call setsockopt(SOL_TCP, TCP_CONGESTION) with short optval ("nv") to make sure BPF program has enough buffer space to replace it with "cubic". Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-07-31tc-testing: Clarify the use of tdc's -d optionLucas Bates2-5/+11
The -d command line argument to tdc requires the name of a physical device on the system where the tests will be run. If -d has not been used, tdc will skip tests that require a physical device. This patch is intended to better document what the -d option does and how it is used. Signed-off-by: Lucas Bates <lucasb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-31selftests/tls: fix TLS tests with CONFIG_TLS=nJakub Kicinski1-9/+14
Build bot reports some recent TLS tests are failing with CONFIG_TLS=n. Correct the expected return code and skip TLS installation if not supported. Tested with CONFIG_TLS=n and CONFIG_TLS=m. Reported-by: kernel test robot <rong.a.chen@intel.com> Fixes: cf32526c8842 ("selftests/tls: add a test for ULP but no keys") Fixes: 65d41fb317c6 ("selftests/tls: add a bidirectional test") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-31selftests: mlxsw: Add a test for leftover DSCP rulePetr Machata1-0/+19
Commit dedfde2fe1c4 ("mlxsw: spectrum_dcb: Configure DSCP map as the last rule is removed") fixed a problem in mlxsw where last DSCP rule to be removed remained in effect when DSCP rewrite was applied. Add a selftest that covers this problem. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-31selftests: mlxsw: Fix local variable declarations in DSCP testsPetr Machata2-4/+7
These two tests have some problems in the global scope pollution and on contrary, contain unnecessary local declarations. Fix them. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30tools: bpftool: add support for reporting the effective cgroup progsJakub Kicinski3-38/+76
Takshak said in the original submission: With different bpf attach_flags available to attach bpf programs specially with BPF_F_ALLOW_OVERRIDE and BPF_F_ALLOW_MULTI, the list of effective bpf-programs available to any sub-cgroups really needs to be available for easy debugging. Using BPF_F_QUERY_EFFECTIVE flag, one can get the list of not only attached bpf-programs to a cgroup but also the inherited ones from parent cgroup. So a new option is introduced to use BPF_F_QUERY_EFFECTIVE query flag here to list all the effective bpf-programs available for execution at a specified cgroup. Reused modified test program test_cgroup_attach from tools/testing/selftests/bpf: # ./test_cgroup_attach With old bpftool: # bpftool cgroup show /sys/fs/cgroup/cgroup-test-work-dir/cg1/ ID AttachType AttachFlags Name 271 egress multi pkt_cntr_1 272 egress multi pkt_cntr_2 Attached new program pkt_cntr_4 in cg2 gives following: # bpftool cgroup show /sys/fs/cgroup/cgroup-test-work-dir/cg1/cg2 ID AttachType AttachFlags Name 273 egress override pkt_cntr_4 And with new "effective" option it shows all effective programs for cg2: # bpftool cgroup show /sys/fs/cgroup/cgroup-test-work-dir/cg1/cg2 effective ID AttachType AttachFlags Name 273 egress override pkt_cntr_4 271 egress override pkt_cntr_1 272 egress override pkt_cntr_2 Compared to original submission use a local flag instead of global option. We need to clear query_flags on every command, in case batch mode wants to use varying settings. v2: (Takshak) - forbid duplicated flags; - fix cgroup path freeing. Signed-off-by: Takshak Chahande <ctakshak@fb.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Takshak Chahande <ctakshak@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-07-30selftests/bpf: fix clearing buffered output between tests/subtestsAndrii Nakryiko1-1/+1
Clear buffered output once test or subtests finishes even if test was successful. Not doing this leads to accumulation of output from previous tests and on first failed tests lots of irrelevant output will be dumped, greatly confusing things. v1->v2: fix Fixes tag, add more context to patch Fixes: 3a516a0a3a7b ("selftests/bpf: add sub-tests support for test_progs") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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