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2019-01-22tools: bpftool: add probes for eBPF map typesQuentin Monnet
Add new probes for eBPF map types, to detect what are the ones available on the system. Try creating one map of each type, and see if the kernel complains. Sample output: # bpftool feature probe kernel ... Scanning eBPF map types... eBPF map_type hash is available eBPF map_type array is available eBPF map_type prog_array is available ... # bpftool --json --pretty feature probe kernel { ... "map_types": { "have_hash_map_type": true, "have_array_map_type": true, "have_prog_array_map_type": true, ... } } v5: - In libbpf.map, move global symbol to the new LIBBPF_0.0.2 section. v3: - Use a switch with all enum values for setting specific map parameters, so that gcc complains at compile time (-Wswitch-enum) if new map types were added to the kernel but libbpf was not updated. v2: - Move probes from bpftool to libbpf. - Remove C-style macros output from this patch. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-22tools: bpftool: add probes for eBPF program typesQuentin Monnet
Introduce probes for supported BPF program types in libbpf, and call it from bpftool to test what types are available on the system. The probe simply consists in loading a very basic program of that type and see if the verifier complains or not. Sample output: # bpftool feature probe kernel ... Scanning eBPF program types... eBPF program_type socket_filter is available eBPF program_type kprobe is available eBPF program_type sched_cls is available ... # bpftool --json --pretty feature probe kernel { ... "program_types": { "have_socket_filter_prog_type": true, "have_kprobe_prog_type": true, "have_sched_cls_prog_type": true, ... } } v5: - In libbpf.map, move global symbol to a new LIBBPF_0.0.2 section. - Rename (non-API function) prog_load() as probe_load(). v3: - Get kernel version for checking kprobes availability from libbpf instead of from bpftool. Do not pass kernel_version as an argument when calling libbpf probes. - Use a switch with all enum values for setting specific program parameters just before probing, so that gcc complains at compile time (-Wswitch-enum) if new prog types were added to the kernel but libbpf was not updated. - Add a comment in libbpf.h about setrlimit() usage to allow many consecutive probe attempts. v2: - Move probes from bpftool to libbpf. - Remove C-style macros output from this patch. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-22tools: bpftool: add probes for kernel configuration optionsQuentin Monnet
Add probes to dump a number of options set (or not set) for compiling the kernel image. These parameters provide information about what BPF components should be available on the system. A number of them are not directly related to eBPF, but are in fact used in the kernel as conditions on which to compile, or not to compile, some of the eBPF helper functions. Sample output: # bpftool feature probe kernel Scanning system configuration... ... CONFIG_BPF is set to y CONFIG_BPF_SYSCALL is set to y CONFIG_HAVE_EBPF_JIT is set to y ... # bpftool --pretty --json feature probe kernel { "system_config": { ... "CONFIG_BPF": "y", "CONFIG_BPF_SYSCALL": "y", "CONFIG_HAVE_EBPF_JIT": "y", ... } } v5: - Declare options[] array in probe_kernel_image_config() as static. v4: - Add some options to the list: - CONFIG_TRACING - CONFIG_KPROBE_EVENTS - CONFIG_UPROBE_EVENTS - CONFIG_FTRACE_SYSCALLS - Add comments about those options in the source code. v3: - Add a comment about /proc/config.gz not being supported as a path for the config file at this time. - Use p_info() instead of p_err() on failure to get options from config file, as bpftool keeps probing other parameters and that would possibly create duplicate "error" entries for JSON. v2: - Remove C-style macros output from this patch. - NOT addressed: grouping of those config options into subsections (I don't see an easy way of grouping them at the moment, please see also the discussion on v1 thread). Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-22tools: bpftool: add probes for /proc/ eBPF parametersQuentin Monnet
Add a set of probes to dump the eBPF-related parameters available from /proc/: availability of bpf() syscall for unprivileged users, JIT compiler status and hardening status, kallsyms exports status. Sample output: # bpftool feature probe kernel Scanning system configuration... bpf() syscall for unprivileged users is enabled JIT compiler is disabled JIT compiler hardening is disabled JIT compiler kallsyms exports are disabled Global memory limit for JIT compiler for unprivileged users \ is 264241152 bytes ... # bpftool --json --pretty feature probe kernel { "system_config": { "unprivileged_bpf_disabled": 0, "bpf_jit_enable": 0, "bpf_jit_harden": 0, "bpf_jit_kallsyms": 0, "bpf_jit_limit": 264241152 }, ... } These probes are skipped if procfs is not mounted. v4: - Add bpf_jit_limit parameter. v2: - Remove C-style macros output from this patch. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-22tools: bpftool: add basic probe capability, probe syscall availabilityQuentin Monnet
Add a new component and command for bpftool, in order to probe the system to dump a set of eBPF-related parameters so that users can know what features are available on the system. Parameters are dumped in plain or JSON output (with -j/-p options). The current patch introduces probing of one simple parameter: availability of the bpf() system call. Later commits will add other probes. Sample output: # bpftool feature probe kernel Scanning system call availability... bpf() syscall is available # bpftool --json --pretty feature probe kernel { "syscall_config": { "have_bpf_syscall": true } } The optional "kernel" keyword enforces probing of the current system, which is the only possible behaviour at this stage. It can be safely omitted. The feature comes with the relevant man page, but bash completion will come in a dedicated commit. v3: - Do not probe kernel version. Contrarily to what is written below for v2, we can have the kernel version retrieved in libbpf instead of bpftool (in the patch adding probing for program types). v2: - Remove C-style macros output from this patch. - Even though kernel version is no longer needed for testing kprobes availability, note that we still collect it in this patch so that bpftool gets able to probe (in next patches) older kernels as well. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-22selftests: forwarding: Add a test case for ARP suppressionIdo Schimmel
ARP suppression allows the Linux bridge to answer ARP requests on behalf of remote hosts. It reduces the amount of packets a VTEP needs to flood. This test verifies that ARP suppression on / off works when a neighbour exists and when it does not exist. It does so by sending an ARP request from a host connected to one VTEP and checking whether it was received by a second VTEP. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-22selftests: forwarding: Add a test for VXLAN symmetric routingIdo Schimmel
In a similar fashion to the asymmetric test, add a test for symmetric routing. In symmetric routing both the ingress and egress VTEPs perform routing in the overlay network into / from the VXLAN tunnel. Packets in different directions use the same VNI - the L3 VNI. Different tenants (VRFs) use different L3 VNIs. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-22selftests: forwarding: Add a test case for ARP decapsulationIdo Schimmel
Verify that ARP packets are correctly decapsulated by the ingress VTEP by removing the neighbours configured on both VLAN interfaces and running a ping test. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-22selftests: forwarding: Add a test for VXLAN asymmetric routingIdo Schimmel
In asymmetric routing the ingress VTEP routes the packet into the correct VXLAN tunnel, whereas the egress VTEP only bridges the packet to the correct host. Therefore, packets in different directions use different VNIs - the target VNI. The test uses a simple topology with two VTEPs and two VNIs and verifies that ping passes between hosts (local / remote) in the same VLAN (VNI) and in different VLANs belonging to the same tenant (VRF). While the test does not check VM mobility, it does configure an anycast gateway using a macvlan device on both VTEPs. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-23Merge tag 'linux-kselftest-5.0-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "Fixes to rtc, seccomp and other tests" * tag 'linux-kselftest-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/seccomp: Abort without user notification support selftests: gpio-mockup-chardev: Check asprintf() for error selftests: seccomp: use LDLIBS instead of LDFLAGS selftests/vm/gup_benchmark.c: match gup struct to kernel tools/testing/selftests/x86/unwind_vdso.c: Remove duplicate header x86/mpx/selftests: fix spelling mistake "succeded" -> "succeeded" selftests: rtc: rtctest: add alarm test on minute boundary selftests: rtc: rtctest: fix alarm tests
2019-01-22Merge tag 'perf-urgent-for-mingo-5.0-20190121' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: Kernel: Stephane Eranian: - Fix perf_proc_update_handler() bug. perf script: Andi Kleen: - Fix crash with printing mixed trace point and other events. Tony Jones: - Fix crash when processing recorded stat data. perf top: He Kuang: - Fix wrong hottest instruction highlighted. perf python: Arnaldo Carvalho de Melo: - Remove -fstack-clash-protection when building with some clang versions. perf ordered_events: Jiri Olsa: - Fix out of buffers crash in ordered_events__free(). perf cpu_map: Stephane Eranian: - Handle TOPOLOGY headers with no CPU. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-01-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Completely minor snmp doc conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-21nfit_test: fix security state pull for nvdimm security nfit_testDave Jiang
The override status function needs to be updated to use the proper request parameter in order to get the security state. Fixes: 3c13e2ac747a ("...Add test support for Intel nvdimm security DSMs") Reported-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2019-01-21perf script: Fix crash when processing recorded stat dataTony Jones
While updating perf to work with Python3 and Python2 I noticed that the stat-cpi script was dumping core. $ perf stat -e cycles,instructions record -o /tmp/perf.data /bin/false Performance counter stats for '/bin/false': 802,148 cycles 604,622 instructions 802,148 cycles 604,622 instructions 0.001445842 seconds time elapsed $ perf script -i /tmp/perf.data -s scripts/python/stat-cpi.py Segmentation fault (core dumped) ... ... rblist=rblist@entry=0xb2a200 <rt_stat>, new_entry=new_entry@entry=0x7ffcb755c310) at util/rblist.c:33 ctx=<optimized out>, type=<optimized out>, create=<optimized out>, cpu=<optimized out>, evsel=<optimized out>) at util/stat-shadow.c:118 ctx=<optimized out>, type=<optimized out>, st=<optimized out>) at util/stat-shadow.c:196 count=count@entry=727442, cpu=cpu@entry=0, st=0xb2a200 <rt_stat>) at util/stat-shadow.c:239 config=config@entry=0xafeb40 <stat_config>, counter=counter@entry=0x133c6e0) at util/stat.c:372 ... ... The issue is that since 1fcd03946b52 perf_stat__update_shadow_stats now calls update_runtime_stat passing rt_stat rather than calling update_stats but perf_stat__init_shadow_stats has never been called to initialize rt_stat in the script path processing recorded stat data. Since I can't see any reason why perf_stat__init_shadow_stats() is presently initialized like it is in builtin-script.c::perf_sample__fprint_metric() [4bd1bef8bba2f] I'm proposing it instead be initialized once in __cmd_script Committer testing: After applying the patch: # perf script -i /tmp/perf.data -s tools/perf/scripts/python/stat-cpi.py 0.001970: cpu -1, thread -1 -> cpi 1.709079 (1075684/629394) # No segfault. Signed-off-by: Tony Jones <tonyj@suse.de> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Fixes: 1fcd03946b52 ("perf stat: Update per-thread shadow stats") Link: http://lkml.kernel.org/r/20190120191414.12925-1-tonyj@suse.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-21perf top: Fix wrong hottest instruction highlightedHe Kuang
The annotation line percentage is compared and inserted into the rbtree, but the percent field of 'struct annotation_data' is an array, the comparison result between them is the address difference. This patch compares the right slot of percent array according to opts->percent_type and makes things right. The problem can be reproduced by pressing 'H' in perf top annotation view. It should highlight the instruction line which has the highest sampling percentage. Signed-off-by: He Kuang <hekuang@huawei.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190120160523.4391-1-hekuang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-21perf tools: Handle TOPOLOGY headers with no CPUStephane Eranian
This patch fixes an issue in cpumap.c when used with the TOPOLOGY header. In some configurations, some NUMA nodes may have no CPU (empty cpulist). Yet a cpumap map must be created otherwise perf abort with an error. This patch handles this case by creating a dummy map. Before: $ perf record -o - -e cycles noploop 2 | perf script -i - 0x6e8 [0x6c]: failed to process type: 80 After: $ perf record -o - -e cycles noploop 2 | perf script -i - noploop for 2 seconds Signed-off-by: Stephane Eranian <eranian@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1547885559-1657-1-git-send-email-eranian@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix endless loop in nf_tables, from Phil Sutter. 2) Fix cross namespace ip6_gre tunnel hash list corruption, from Olivier Matz. 3) Don't be too strict in phy_start_aneg() otherwise we might not allow restarting auto negotiation. From Heiner Kallweit. 4) Fix various KMSAN uninitialized value cases in tipc, from Ying Xue. 5) Memory leak in act_tunnel_key, from Davide Caratti. 6) Handle chip errata of mv88e6390 PHY, from Andrew Lunn. 7) Remove linear SKB assumption in fou/fou6, from Eric Dumazet. 8) Missing udplite rehash callbacks, from Alexey Kodanev. 9) Log dirty pages properly in vhost, from Jason Wang. 10) Use consume_skb() in neigh_probe() as this is a normal free not a drop, from Yang Wei. Likewise in macvlan_process_broadcast(). 11) Missing device_del() in mdiobus_register() error paths, from Thomas Petazzoni. 12) Fix checksum handling of short packets in mlx5, from Cong Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (96 commits) bpf: in __bpf_redirect_no_mac pull mac only if present virtio_net: bulk free tx skbs net: phy: phy driver features are mandatory isdn: avm: Fix string plus integer warning from Clang net/mlx5e: Fix cb_ident duplicate in indirect block register net/mlx5e: Fix wrong (zero) TX drop counter indication for representor net/mlx5e: Fix wrong error code return on FEC query failure net/mlx5e: Force CHECKSUM_UNNECESSARY for short ethernet frames tools: bpftool: Cleanup license mess bpf: fix inner map masking to prevent oob under speculation bpf: pull in pkt_sched.h header for tooling to fix bpftool build selftests: forwarding: Add a test case for externally learned FDB entries selftests: mlxsw: Test FDB offload indication mlxsw: spectrum_switchdev: Do not treat static FDB entries as sticky net: bridge: Mark FDB entries that were added by user as such mlxsw: spectrum_fid: Update dummy FID index mlxsw: pci: Return error on PCI reset timeout mlxsw: pci: Increase PCI SW reset timeout mlxsw: pci: Ring CQ's doorbell before RDQ's MAINTAINERS: update email addresses of liquidio driver maintainers ...
2019-01-20selftests: forwarding: Add IP-in-IP GRE hierarchical topology with keys testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, where an ikey/okey pair is set. This test is based on hierarchical topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP-in-IP GRE hierarchical topology with key testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, where a key is set. This test is based on hierarchical topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP-in-IP GRE hierarchical topology testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, based on hierarchical topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP-in-IP GRE flat topology with keys testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, where an ikey/okey pair is set. This test is based on flat topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP-in-IP GRE flat topology with key testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, where a key is set. This test is based on flat topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP-in-IP GRE flat topology testNir Dotan
Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel, based on flat topology described in file ipip_lib.sh. Signed-off-by: Nir Dotan <nird@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>
2019-01-20selftests: forwarding: Add IP tunneling libNir Dotan
Add a library with helper functions, to be used in testing IP-in-IP and GRE tunnels, both in flat and in hierarchical topologies. The topologies used in this library cover the three scenarios of tunnels - a tunel with no bound device, a tunnel with bound device in the same VRF and a tunnel with a bound device in a different VRF. Signed-off-by: Nir Dotan <nird@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>
2019-01-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller
Daniel Borkmann says: ==================== pull-request: bpf 2019-01-20 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) Fix a out-of-bounds access in __bpf_redirect_no_mac, from Willem. 2) Fix bpf_setsockopt to reset sock dst on SO_MARK changes, from Peter. 3) Fix map in map masking to prevent out-of-bounds access under speculative execution, from Daniel. 4) Fix bpf_setsockopt's SO_MAX_PACING_RATE to support TCP internal pacing, from Yuchung. 5) Fix json writer license in bpftool, from Thomas. 6) Fix AF_XDP to check if an actually queue exists during umem setup, from Krzysztof. 7) Several fixes to BPF stackmap's build id handling. Another fix for bpftool build to account for libbfd variations wrt linking requirements, from Stanislav. 8) Fix BPF samples build with clang by working around missing asm goto, from Yonghong. 9) Fix libbpf to retry program load on signal interrupt, from Lorenz. 10) Various minor compile warning fixes in BPF code, from Mathieu. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-18tools: bpftool: Cleanup license messThomas Gleixner
Precise and non-ambiguous license information is important. The recent relicensing of the bpftools introduced a license conflict. The files have now: SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause and * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version Amazingly about 20 people acked that change and neither they nor the committer noticed. Oh well. Digging deeper: The files were imported from the iproute2 repository with the GPL V2 or later boiler plate text in commit b66e907cfee2 ("tools: bpftool: copy JSON writer from iproute2 repository") Looking at the iproute2 repository at git://git.kernel.org/pub/scm/network/iproute2/iproute2.git the following commit is the equivivalent: commit d9d8c839 ("json_writer: add SPDX Identifier (GPL-2/BSD-2)") That commit explicitly removes the boiler plate and relicenses the code uner GPL-2.0-only and BSD-2-Clause. As Steven wrote the original code and also the relicensing commit, it's assumed that the relicensing was intended to do exaclty that. Just the kernel side update failed to remove the boiler plate. Do so now. Fixes: 907b22365115 ("tools: bpftool: dual license all files") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: Roman Gushchin <guro@fb.com> Cc: YueHaibing <yuehaibing@huawei.com> Cc: Yonghong Song <yhs@fb.com> Cc: Stanislav Fomichev <sdf@google.com> Cc: Sean Young <sean@mess.org> Cc: Jiri Benc <jbenc@redhat.com> Cc: David Calavera <david.calavera@gmail.com> Cc: Andrey Ignatov <rdna@fb.com> Cc: Joe Stringer <joe@wand.net.nz> Cc: David Ahern <dsahern@gmail.com> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Petar Penkov <ppenkov@stanford.edu> Cc: Sandipan Das <sandipan@linux.ibm.com> Cc: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: Taeung Song <treeze.taeung@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Quentin Monnet <quentin.monnet@netronome.com> CC: okash.khawaja@gmail.com Cc: netdev@vger.kernel.org Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-18bpf: pull in pkt_sched.h header for tooling to fix bpftool buildDaniel Borkmann
Dan reported that bpftool does not compile for him: $ make tools/bpf DESCEND bpf Auto-detecting system features: .. libbfd: [ on ] .. disassembler-four-args: [ OFF ] DESCEND bpftool Auto-detecting system features: .. libbfd: [ on ] .. disassembler-four-args: [ OFF ] CC /opt/linux.git/tools/bpf/bpftool/net.o In file included from /opt/linux.git/tools/include/uapi/linux/pkt_cls.h:6:0, from /opt/linux.git/tools/include/uapi/linux/tc_act/tc_bpf.h:14, from net.c:13: net.c: In function 'show_dev_tc_bpf': net.c:164:21: error: 'TC_H_CLSACT' undeclared (first use in this function) handle = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS); [...] Fix it by importing pkt_sched.h header copy into tooling infrastructure. Fixes: 49a249c38726 ("tools/bpftool: copy a few net uapi headers to tools directory") Fixes: f6f3bac08ff9 ("tools/bpf: bpftool: add net support") Reported-by: Dan Gilson <dan_gilson@yahoo.com> Reference: https://bugzilla.kernel.org/show_bug.cgi?id=202315 Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-18selftests: forwarding: Add a test case for externally learned FDB entriesIdo Schimmel
Test that externally learned FDB entries can roam, but not age out. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-18selftests: mlxsw: Test FDB offload indicationIdo Schimmel
Test that externally learned FDB entries added from user space are marked as offloaded. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-19Merge tag 'powerpc-5.0-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "A couple of weeks of fixes. There's one fix for an oops on Power9 machines with Open CAPI adapters. And a fix for probable memory corruption in some of the new NPU code, caught by smatch though and not seen in the wild. Plus a few other minor fixes. There's one non-fix which is the perf_regs change. That was sent during the merge window but I accidentally only merged the first of two patches in the series. It's been in linux-next so hopefully doesn't conflict with anything in acme's tree. Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Breno Leitao, Christian Lamparter, Christophe Leroy, Dan Carpenter, Frederic Barrat, Greg Kurz, Jason A. Donenfeld, Madhavan Srinivasan" * tag 'powerpc-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/syscalls: Fix syscall tracing powerpc/pseries: Fix build break due to pnv_npu2_init() powerpc/4xx/ocm: Fix fix for phys_addr_t printf warnings powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group() powerpc/tm: Limit TM code inside PPC_TRANSACTIONAL_MEM powerpc/8xx: fix setting of pagetable for Abatron BDI debug tool. powerpc/powernv/npu: Allocate enough memory in pnv_try_setup_npu_table_group() powerpc/perf: Update perf_regs structure to include MMCRA
2019-01-18perf python: Remove -fstack-clash-protection when building with some clang ↵Arnaldo Carvalho de Melo
versions These options are not present in some (all?) clang versions, so when we build for a distro that has a gcc new enough to have these options and that the distro python build config settings use them but clang doesn't support, b00m. This is the case with fedora rawhide (now gearing towards f30), so check if clang has the and remove the missing ones from CFLAGS. Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Thiago Macieira <thiago.macieira@intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-5q50q9w458yawgxf9ez54jbp@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-18perf script: Fix crash with printing mixed trace point and other eventsAndi Kleen
'perf script' crashes currently when printing mixed trace points and other events because the trace format does not handle events without trace meta data. Add a simple check to avoid that. % cat > test.c main() { printf("Hello world\n"); } ^D % gcc -g -o test test.c % sudo perf probe -x test 'test.c:3' % perf record -e '{cpu/cpu-cycles,period=10000/,probe_test:main}:S' ./test % perf script <segfault> Committer testing: Before: # perf probe -x /lib64/libc-2.28.so malloc Added new event: probe_libc:malloc (on malloc in /usr/lib64/libc-2.28.so) You can now use it in all perf tools, such as: perf record -e probe_libc:malloc -aR sleep 1 # perf probe -l probe_libc:malloc (on __libc_malloc@malloc/malloc.c in /usr/lib64/libc-2.28.so) # perf record -e '{cpu/cpu-cycles,period=10000/,probe_libc:*}:S' sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.023 MB perf.data (40 samples) ] # perf script Segmentation fault (core dumped) ^C # After: # perf script | head -6 sleep 2888 94796.944981: 16198 cpu/cpu-cycles,period=10000/: ffffffff925dc04f get_random_u32+0x1f (/lib/modules/5.0.0-rc2+/build/vmlinux) sleep 2888 [-01] 94796.944981: probe_libc:malloc: sleep 2888 94796.944983: 4713 cpu/cpu-cycles,period=10000/: ffffffff922763af change_protection+0xcf (/lib/modules/5.0.0-rc2+/build/vmlinux) sleep 2888 [-01] 94796.944983: probe_libc:malloc: sleep 2888 94796.944986: 9934 cpu/cpu-cycles,period=10000/: ffffffff922777e0 move_page_tables+0x0 (/lib/modules/5.0.0-rc2+/build/vmlinux) sleep 2888 [-01] 94796.944986: probe_libc:malloc: # Signed-off-by: Andi Kleen <ak@linux.intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20190117194834.21940-1-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-17selftests: mlxsw: Test veto of unsupported VXLAN FDBsPetr Machata
mlxsw doesn't implement offloading of all types of FDB entries that the VXLAN driver supports. Test that such FDB entries are rejected. That makes sure that the decision made by the existing validation code in mlxsw propagates up the stack. It also exercises rollback functionality in VXLAN, and tests that extack is returned. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-17selftests/tls: Fix recv partial/large_buff test casesVakul Garg
TLS test cases recv_partial & recv_peek_large_buf_mult_recs expect to receive a certain amount of data and then compare it against known strings using memcmp. To prevent recvmsg() from returning lesser than expected number of bytes (compared in memcmp), MSG_WAITALL needs to be passed in recvmsg(). Signed-off-by: Vakul Garg <vakul.garg@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-17selftests/seccomp: Abort without user notification supportKees Cook
In the face of missing user notification support, the self test needs to stop executing a test (ASSERT_*) instead of just reporting and continuing (EXPECT_*). This adjusts the user notification tests to do that where needed. Reported-by: Shuah Khan <shuah@kernel.org> Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace") Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Tycho Andersen <tycho@tycho.ws> Tested-by: Shuah Khan <shuah@kernel.org> Signed-off-by: Shuah Khan <shuah@kernel.org>
2019-01-17selftests/bpf: retry tests that expect build-idStanislav Fomichev
While running test_progs in a loop I found out that I'm sometimes hitting "Didn't find expected build ID from the map" error. Looking at stack_map_get_build_id_offset() it seems that it is racy (by design) and can sometimes return BPF_STACK_BUILD_ID_IP (i.e. can't trylock current->mm->mmap_sem). Let's retry this test a single time. Fixes: 13790d1cc72c ("bpf: add selftest for stackmap with build_id in NMI context") Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17perf ordered_events: Fix crash in ordered_events__freeJiri Olsa
Song Liu reported crash in 'perf record': > #0 0x0000000000500055 in ordered_events(float, long double,...)(...) () > #1 0x0000000000500196 in ordered_events.reinit () > #2 0x00000000004fe413 in perf_session.process_events () > #3 0x0000000000440431 in cmd_record () > #4 0x00000000004a439f in run_builtin () > #5 0x000000000042b3e5 in main ()" This can happen when we get out of buffers during event processing. The subsequent ordered_events__free() call assumes oe->buffer != NULL and crashes. Add a check to prevent that. Reported-by: Song Liu <liu.song.a23@gmail.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Reviewed-by: Song Liu <liu.song.a23@gmail.com> Tested-by: Song Liu <liu.song.a23@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20190117113017.12977-1-jolsa@kernel.org Fixes: d5ceb62b3654 ("perf ordered_events: Add 'struct ordered_events_buffer' layer") Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-01-17bpftool: add bash completion for peek/push/enqueue/pop/dequeueStanislav Fomichev
bpftool map peek id <TAB> - suggests only queue and stack map ids bpftool map pop id <TAB> - suggests only stack map ids bpftool map dequeue id <TAB> - suggests only queue map ids bpftool map push id <TAB> - suggests only stack map ids bpftool map enqueue id <TAB> - suggests only queue map ids bpftool map push id 1 <TAB> - suggests 'value', not 'key' bpftool map enqueue id 2 <TAB> - suggests 'value', not 'key' bpftool map update id <stack/queue type> - suggests 'value', not 'key' bpftool map lookup id <stack/queue type> - suggests nothing Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: add pop and dequeue commandsStanislav Fomichev
This is intended to be used with queues and stacks, it pops and prints the last element via bpf_map_lookup_and_delete_elem. Example: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map push pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map pop pinned /sys/fs/bpf/q value: 00 01 02 03 bpftool map pop pinned /sys/fs/bpf/q Error: empty map bpftool map create /sys/fs/bpf/s type stack value 4 entries 10 name s bpftool map enqueue pinned /sys/fs/bpf/s value 0 1 2 3 bpftool map dequeue pinned /sys/fs/bpf/s value: 00 01 02 03 bpftool map dequeue pinned /sys/fs/bpf/s Error: empty map Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: add push and enqueue commandsStanislav Fomichev
This is intended to be used with queues and stacks and be more user-friendly than 'update' without the key. Example: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map push pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map peek pinned /sys/fs/bpf/q value: 00 01 02 03 bpftool map create /sys/fs/bpf/s type stack value 4 entries 10 name s bpftool map enqueue pinned /sys/fs/bpf/s value 0 1 2 3 bpftool map peek pinned /sys/fs/bpf/s value: 00 01 02 03 Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: add peek commandStanislav Fomichev
This is intended to be used with queues and stacks and be more user-friendly than 'lookup' without key/value. Example: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map peek pinned /sys/fs/bpf/q value: 00 01 02 03 Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: don't print empty key/value for mapsStanislav Fomichev
When doing dump or lookup, don't print key if key_size == 0 or value if value_size == 0. The initial usecase is queue and stack, where we have only values. This is for regular output only, json still has all the fields. Before: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map lookup pinned /sys/fs/bpf/q key: value: 00 01 02 03 After: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map lookup pinned /sys/fs/bpf/q value: 00 01 02 03 Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: make key optional in lookup commandStanislav Fomichev
Bpftool expects key for 'lookup' operations. For some map types, key should not be specified. Support looking up those map types. Before: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map lookup pinned /sys/fs/bpf/q Error: did not find key After: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 bpftool map lookup pinned /sys/fs/bpf/q key: value: 00 01 02 03 Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-17bpftool: make key and value optional in update commandStanislav Fomichev
Bpftool expects both key and value for 'update' operations. For some map types, key should not be specified. Support updating those map types. Before: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 Error: did not find key After: bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q bpftool map update pinned /sys/fs/bpf/q value 0 1 2 3 Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-16selftests: tc-testing: fix parsing of ife typeDavide Caratti
In iproute2 commit 90c5c969f0b9 ("fix print_0xhex on 32 bit"), the format specifier for the ife type changed from 0x%X to %#llX, causing systematic failures in the following TDC test cases: 7682 - Create valid ife encode action with mark and pass control ef47 - Create valid ife encode action with mark and pipe control df43 - Create valid ife encode action with mark and continue control e4cf - Create valid ife encode action with mark and drop control ccba - Create valid ife encode action with mark and reclassify control a1cf - Create valid ife encode action with mark and jump control cb3d - Create valid ife encode action with mark value at 32-bit maximum 95ed - Create valid ife encode action with prio and pass control aa17 - Create valid ife encode action with prio and pipe control 74c7 - Create valid ife encode action with prio and continue control 7a97 - Create valid ife encode action with prio and drop control f66b - Create valid ife encode action with prio and reclassify control 3056 - Create valid ife encode action with prio and jump control 7dd3 - Create valid ife encode action with prio value at 32-bit maximum 05bb - Create valid ife encode action with tcindex and pass control ce65 - Create valid ife encode action with tcindex and pipe control 09cd - Create valid ife encode action with tcindex and continue control 8eb5 - Create valid ife encode action with tcindex and continue control 451a - Create valid ife encode action with tcindex and drop control d76c - Create valid ife encode action with tcindex and reclassify control e731 - Create valid ife encode action with tcindex and jump control b7b8 - Create valid ife encode action with tcindex value at 16-bit maximum 2a9c - Create valid ife encode action with mac src parameter cf5c - Create valid ife encode action with mac dst parameter 2353 - Create valid ife encode action with mac src and mac dst parameters 552c - Create valid ife encode action with mark and type parameters 0421 - Create valid ife encode action with prio and type parameters 4017 - Create valid ife encode action with tcindex and type parameters fac3 - Create valid ife encode action with index at 32-bit maximnum 7c25 - Create valid ife decode action with pass control dccb - Create valid ife decode action with pipe control 7bb9 - Create valid ife decode action with continue control d9ad - Create valid ife decode action with drop control 219f - Create valid ife decode action with reclassify control 8f44 - Create valid ife decode action with jump control b330 - Create ife encode action with cookie Change 'matchPattern' values, allowing '0' and '0x0' if ife type is equal to 0, and accepting both '0x' and '0X' otherwise, to let these tests pass both with old and new tc binaries. While at it, fix a small typo in test case fac3 ('maximnum'->'maximum'). Signed-off-by: Davide Caratti <dcaratti@redhat.com> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-16selftests: gpio-mockup-chardev: Check asprintf() for errorGeert Uytterhoeven
With gcc 7.3.0: gpio-mockup-chardev.c: In function ‘get_debugfs’: gpio-mockup-chardev.c:62:3: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result] asprintf(path, "%s/gpio", mnt_fs_get_target(fs)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Handle asprintf() failures to fix this. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Shuah Khan <shuah@kernel.org>
2019-01-16tools/bpf: support __int128 in bpftool map pretty dumperYonghong Song
For formatted output, currently when json is enabled, the decimal number is required. Similar to kernel bpffs printout, for int128 numbers, only hex numbers are dumped, which are quoted as strings. The below is an example to show plain and json pretty print based on the map in test_btf pretty print test. $ bpftool m s 75: hash name pprint_test_has flags 0x0 key 4B value 112B max_entries 4 memlock 4096B $ bpftool m d id 75 ...... { "key": 3, "value": { "ui32": 3, "ui16": 0, "si32": -3, "unused_bits2a": 0x3, "bits28": 0x3, "unused_bits2b": 0x3, "": { "ui64": 3, "ui8a": [3,0,0,0,0,0,0,0 ] }, "aenum": 3, "ui32b": 4, "bits2c": 0x1, "si128a": 0x3, "si128b": 0xfffffffd, "bits3": 0x3, "bits80": 0x10000000000000003, "ui128": 0x20000000000000003 } }, ...... $ bptfool -p -j m d id 75 ...... { "key": ["0x03","0x00","0x00","0x00" ], "value": ["0x03","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0xfd","0xff","0xff","0xff","0x0f","0x00","0x00","0xc0", "0x03","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x03","0x00","0x00","0x00","0x04","0x00","0x00","0x00", "0x01","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x00","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x03","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x00","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0xfd","0xff","0xff","0xff","0x00","0x00","0x00","0x00", "0x00","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x1b","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x08","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x03","0x00","0x00","0x00","0x00","0x00","0x00","0x00", "0x02","0x00","0x00","0x00","0x00","0x00","0x00","0x00" ], "formatted": { "key": 3, "value": { "ui32": 3, "ui16": 0, "si32": -3, "unused_bits2a": "0x3", "bits28": "0x3", "unused_bits2b": "0x3", "": { "ui64": 3, "ui8a": [3,0,0,0,0,0,0,0 ] }, "aenum": 3, "ui32b": 4, "bits2c": "0x1", "si128a": "0x3", "si128b": "0xfffffffd", "bits3": "0x3", "bits80": "0x10000000000000003", "ui128": "0x20000000000000003" } } } ...... Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-16tools/bpf: add bpffs pretty print test for int128Yonghong Song
The bpffs pretty print test is extended to cover int128 types. Tested on an x64 machine. $ test_btf -p ...... BTF pretty print array(#3)......OK PASS:9 SKIP:0 FAIL:0 Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-16tools/bpf: refactor test_btf pretty printing for multiple map value formatsYonghong Song
The test_btf pretty print is refactored in order to easily support multiple map value formats. The next patch will add __int128 type tests which needs macro guard __SIZEOF_INT128__. There is no functionality change with this patch. Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-16tools/bpf: add int128 raw test in test_btfYonghong Song
Several int128 raw type tests are added to test_btf. Currently these tests are enabled only for x64 and arm64 for which kernel has CONFIG_ARCH_SUPPORTS_INT128 set. $ test_btf ...... BTF raw test[106] (128-bit int): OK BTF raw test[107] (struct, 128-bit int member): OK BTF raw test[108] (struct, 120-bit int member bitfield): OK BTF raw test[109] (struct, kind_flag, 128-bit int member): OK BTF raw test[110] (struct, kind_flag, 120-bit int member bitfield): OK ...... Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-02 19:28:37 +0000