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2020-12-10selftests/bpf: Xsk selftests - adding xdpxceiver to .gitignoreWeqaar Janjua
This patch adds *xdpxceiver* to selftests/bpf/.gitignore Reported-by: Yonghong Song <yhs@fb.com> Suggested-by: Yonghong Song <yhs@fb.com> Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20201210115435.3995-1-weqaar.a.janjua@intel.com
2020-12-10selftests/bpf: Drop tcp-{client,server}.py from MakefileVeronika Kabatova
The files don't exist anymore so this breaks generic kselftest builds when using "make install" or "make gen_tar". Fixes: 247f0ec361b7 ("selftests/bpf: Drop python client/server in favor of threads") Signed-off-by: Veronika Kabatova <vkabatov@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20201210120134.2148482-1-vkabatov@redhat.com
2020-12-09selftests/bpf: Xsk selftests - Bi-directional Sockets - SKB, DRVWeqaar Janjua
Adds following tests: 1. AF_XDP SKB mode d. Bi-directional Sockets Configure sockets as bi-directional tx/rx sockets, sets up fill and completion rings on each socket, tx/rx in both directions. Only nopoll mode is used 2. AF_XDP DRV/Native mode d. Bi-directional Sockets * Only copy mode is supported because veth does not currently support zero-copy mode Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Yonghong Song <yhs@fb.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/20201207215333.11586-6-weqaar.a.janjua@intel.com
2020-12-09selftests/bpf: Xsk selftests - Socket Teardown - SKB, DRVWeqaar Janjua
Adds following tests: 1. AF_XDP SKB mode c. Socket Teardown Create a Tx and a Rx socket, Tx from one socket, Rx on another. Destroy both sockets, then repeat multiple times. Only nopoll mode is used 2. AF_XDP DRV/Native mode c. Socket Teardown * Only copy mode is supported because veth does not currently support zero-copy mode Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Yonghong Song <yhs@fb.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/20201207215333.11586-5-weqaar.a.janjua@intel.com
2020-12-09selftests/bpf: Xsk selftests - DRV POLL, NOPOLLWeqaar Janjua
Adds following tests: 2. AF_XDP DRV/Native mode Works on any netdevice with XDP_REDIRECT support, driver dependent. Processes packets before SKB allocation. Provides better performance than SKB. Driver hook available just after DMA of buffer descriptor. a. nopoll b. poll * Only copy mode is supported because veth does not currently support zero-copy mode Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Yonghong Song <yhs@fb.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/20201207215333.11586-4-weqaar.a.janjua@intel.com
2020-12-09selftests/bpf: Xsk selftests - SKB POLL, NOPOLLWeqaar Janjua
Adds following tests: 1. AF_XDP SKB mode Generic mode XDP is driver independent, used when the driver does not have support for XDP. Works on any netdevice using sockets and generic XDP path. XDP hook from netif_receive_skb(). a. nopoll - soft-irq processing b. poll - using poll() syscall Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Yonghong Song <yhs@fb.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/20201207215333.11586-3-weqaar.a.janjua@intel.com
2020-12-09selftests/bpf: Xsk selftests frameworkWeqaar Janjua
This patch adds AF_XDP selftests framework under selftests/bpf. Topology: --------- ----------- ----------- | xskX | --------- | xskY | ----------- | ----------- | | | ----------- | ---------- | vethX | --------- | vethY | ----------- peer ---------- | | | namespaceX | namespaceY Prerequisites setup by script test_xsk.sh: Set up veth interfaces as per the topology shown ^^: * setup two veth interfaces and one namespace ** veth<xxxx> in root namespace ** veth<yyyy> in af_xdp<xxxx> namespace ** namespace af_xdp<xxxx> * create a spec file veth.spec that includes this run-time configuration *** xxxx and yyyy are randomly generated 4 digit numbers used to avoid conflict with any existing interface * tests the veth and xsk layers of the topology Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Yonghong Song <yhs@fb.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/20201207215333.11586-2-weqaar.a.janjua@intel.com
2020-12-04selftests/bpf: Test bpf_sk_storage_get in tcp iteratorsFlorent Revest
This extends the existing bpf_sk_storage_get test where a socket is created and tagged with its creator's pid by a task_file iterator. A TCP iterator is now also used at the end of the test to negate the values already stored in the local storage. The test therefore expects -getpid() to be stored in the local storage. Signed-off-by: Florent Revest <revest@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20201204113609.1850150-6-revest@google.com
2020-12-04selftests/bpf: Add an iterator selftest for bpf_sk_storage_getFlorent Revest
The eBPF program iterates over all files and tasks. For all socket files, it stores the tgid of the last task it encountered with a handle to that socket. This is a heuristic for finding the "owner" of a socket similar to what's done by lsof, ss, netstat or fuser. Potentially, this information could be used from a cgroup_skb/*gress hook to try to associate network traffic with processes. The test makes sure that a socket it created is tagged with prog_tests's pid. Signed-off-by: Florent Revest <revest@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20201204113609.1850150-5-revest@google.com
2020-12-04selftests/bpf: Add an iterator selftest for bpf_sk_storage_deleteFlorent Revest
The eBPF program iterates over all entries (well, only one) of a socket local storage map and deletes them all. The test makes sure that the entry is indeed deleted. Signed-off-by: Florent Revest <revest@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20201204113609.1850150-4-revest@google.com
2020-12-04selftests/bpf: Avoid errno clobberingFlorian Lehner
Print a message when the returned error is about a program type being not supported or because of permission problems. These messages are expected if the program to test was actually executed. Signed-off-by: Florian Lehner <dev@der-flo.net> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201204181828.11974-3-dev@der-flo.net
2020-12-04selftests/bpf: Print reason when a tester could not run a programFlorian Lehner
Commit 8184d44c9a57 ("selftests/bpf: skip verifier tests for unsupported program types") added a check to skip unsupported program types. As bpf_probe_prog_type can change errno, do_single_test should save it before printing a reason why a supported BPF program type failed to load. Fixes: 8184d44c9a57 ("selftests/bpf: skip verifier tests for unsupported program types") Signed-off-by: Florian Lehner <dev@der-flo.net> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201204181828.11974-2-dev@der-flo.net
2020-12-04Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-12-03 The main changes are: 1) Support BTF in kernel modules, from Andrii. 2) Introduce preferred busy-polling, from Björn. 3) bpf_ima_inode_hash() and bpf_bprm_opts_set() helpers, from KP Singh. 4) Memcg-based memory accounting for bpf objects, from Roman. 5) Allow bpf_{s,g}etsockopt from cgroup bind{4,6} hooks, from Stanislav. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (118 commits) selftests/bpf: Fix invalid use of strncat in test_sockmap libbpf: Use memcpy instead of strncpy to please GCC selftests/bpf: Add fentry/fexit/fmod_ret selftest for kernel module selftests/bpf: Add tp_btf CO-RE reloc test for modules libbpf: Support attachment of BPF tracing programs to kernel modules libbpf: Factor out low-level BPF program loading helper bpf: Allow to specify kernel module BTFs when attaching BPF programs bpf: Remove hard-coded btf_vmlinux assumption from BPF verifier selftests/bpf: Add CO-RE relocs selftest relying on kernel module BTF selftests/bpf: Add support for marking sub-tests as skipped selftests/bpf: Add bpf_testmod kernel module for testing libbpf: Add kernel module BTF support for CO-RE relocations libbpf: Refactor CO-RE relocs to not assume a single BTF object libbpf: Add internal helper to load BTF data by FD bpf: Keep module's btf_data_size intact after load bpf: Fix bpf_put_raw_tracepoint()'s use of __module_address() selftests/bpf: Add Userspace tests for TCP_WINDOW_CLAMP bpf: Adds support for setting window clamp samples/bpf: Fix spelling mistake "recieving" -> "receiving" bpf: Fix cold build of test_progs-no_alu32 ... ==================== Link: https://lore.kernel.org/r/20201204021936.85653-1-alexei.starovoitov@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-03selftests/bpf: Fix invalid use of strncat in test_sockmapAndrii Nakryiko
strncat()'s third argument is how many bytes will be added *in addition* to already existing bytes in destination. Plus extra zero byte will be added after that. So existing use in test_sockmap has many opportunities to overflow the string and cause memory corruptions. And in this case, GCC complains for a good reason. Fixes: 16962b2404ac ("bpf: sockmap, add selftests") Fixes: 73563aa3d977 ("selftests/bpf: test_sockmap, print additional test options") Fixes: 1ade9abadfca ("bpf: test_sockmap, add options for msg_pop_data() helper") Fixes: 463bac5f1ca7 ("bpf, selftests: Add test for ktls with skb bpf ingress policy") Fixes: e9dd904708c4 ("bpf: add tls support for testing in test_sockmap") Fixes: 753fb2ee0934 ("bpf: sockmap, add msg_peek tests to test_sockmap") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201203235440.2302137-2-andrii@kernel.org
2020-12-03selftests/bpf: Add fentry/fexit/fmod_ret selftest for kernel moduleAndrii Nakryiko
Add new selftest checking attachment of fentry/fexit/fmod_ret (and raw tracepoint ones for completeness) BPF programs to kernel module function. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201203204634.1325171-15-andrii@kernel.org
2020-12-03selftests/bpf: Add tp_btf CO-RE reloc test for modulesAndrii Nakryiko
Add another CO-RE relocation test for kernel module relocations. This time for tp_btf with direct memory reads. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201203204634.1325171-14-andrii@kernel.org
2020-12-03selftests/bpf: Add CO-RE relocs selftest relying on kernel module BTFAndrii Nakryiko
Add a self-tests validating libbpf is able to perform CO-RE relocations against the type defined in kernel module BTF. if bpf_testmod.o is not supported by the kernel (e.g., due to version mismatch), skip tests, instead of failing. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201203204634.1325171-9-andrii@kernel.org
2020-12-03selftests/bpf: Add support for marking sub-tests as skippedAndrii Nakryiko
Previously skipped sub-tests would be counted as passing with ":OK" appened in the log. Change that to be accounted as ":SKIP". Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201203204634.1325171-8-andrii@kernel.org
2020-12-03selftests/bpf: Add bpf_testmod kernel module for testingAndrii Nakryiko
Add bpf_testmod module, which is conceptually out-of-tree module and provides ways for selftests/bpf to test various kernel module-related functionality: raw tracepoint, fentry/fexit/fmod_ret, etc. This module will be auto-loaded by test_progs test runner and expected by some of selftests to be present and loaded. Pahole currently isn't able to generate BTF for static functions in kernel modules, so make sure traced function is global. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20201203204634.1325171-7-andrii@kernel.org
2020-12-03selftests/bpf: Add Userspace tests for TCP_WINDOW_CLAMPPrankur gupta
Adding selftests for new added functionality to set TCP_WINDOW_CLAMP from bpf setsockopt. Signed-off-by: Prankur gupta <prankgup@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201202213152.435886-3-prankgup@fb.com
2020-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Conflicts: drivers/net/ethernet/ibm/ibmvnic.c Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-03bpf: Fix cold build of test_progs-no_alu32Brendan Jackman
This object lives inside the trunner output dir, i.e. tools/testing/selftests/bpf/no_alu32/btf_data.o At some point it gets copied into the parent directory during another part of the build, but that doesn't happen when building test_progs-no_alu32 from clean. Signed-off-by: Brendan Jackman <jackmanb@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Link: https://lore.kernel.org/bpf/20201203120850.859170-1-jackmanb@google.com
2020-12-03selftests/bpf: Indent ima_setup.sh with tabs.KP Singh
The file was formatted with spaces instead of tabs and went unnoticed as checkpatch.pl did not complain (probably because this is a shell script). Re-indent it with tabs to be consistent with other scripts. Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201203191437.666737-5-kpsingh@chromium.org
2020-12-03selftests/bpf: Add config dependency on BLK_DEV_LOOPKP Singh
The ima selftest restricts its scope to a test filesystem image mounted on a loop device and prevents permanent ima policy changes for the whole system. Fixes: 34b82d3ac105 ("bpf: Add a selftest for bpf_ima_inode_hash") Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201203191437.666737-4-kpsingh@chromium.org
2020-12-03selftests/bpf: Ensure securityfs mount before writing ima policyKP Singh
SecurityFS may not be mounted even if it is enabled in the kernel config. So, check if the mount exists in /proc/mounts by parsing the file and, if not, mount it on /sys/kernel/security. Fixes: 34b82d3ac105 ("bpf: Add a selftest for bpf_ima_inode_hash") Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201203191437.666737-3-kpsingh@chromium.org
2020-12-03selftests/bpf: Update ima_setup.sh for busyboxKP Singh
losetup on busybox does not output the name of loop device on using -f with --show. It also doesn't support -j to find the loop devices for a given backing file. losetup is updated to use "-a" which is available on busybox. blkid does not support options (-s and -o) to only display the uuid, so parse the output instead. Not all environments have mkfs.ext4, the test requires a loop device with a backing image file which could formatted with any filesystem. Update to using mkfs.ext2 which is available on busybox. Fixes: 34b82d3ac105 ("bpf: Add a selftest for bpf_ima_inode_hash") Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201203191437.666737-2-kpsingh@chromium.org
2020-12-03selftests/bpf: Copy file using read/write in local storage testStanislav Fomichev
Splice (copy_file_range) doesn't work on all filesystems. I'm running test kernels on top of my read-only disk image and it uses plan9 under the hood. This prevents test_local_storage from successfully passing. There is really no technical reason to use splice, so lets do old-school read/write to copy file; this should work in all environments. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201202174947.3621989-1-sdf@google.com
2020-12-02bpf: Eliminate rlimit-based memory accounting infra for bpf mapsRoman Gushchin
Remove rlimit-based accounting infrastructure code, which is not used anymore. To provide a backward compatibility, use an approximation of the bpf map memory footprint as a "memlock" value, available to a user via map info. The approximation is based on the maximal number of elements and key and value sizes. Signed-off-by: Roman Gushchin <guro@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20201201215900.3569844-33-guro@fb.com
2020-12-02selftests/bpf: Extend bind{4,6} programs with a call to bpf_setsockoptStanislav Fomichev
To make sure it doesn't trigger sock_owned_by_me splat. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201202172516.3483656-4-sdf@google.com
2020-12-02selftests/bpf: Rewrite test_sock_addr bind bpf into CStanislav Fomichev
I'm planning to extend it in the next patches. It's much easier to work with C than BPF assembly. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201202172516.3483656-2-sdf@google.com
2020-12-01selftests: forwarding: Add QinQ veto testingDanielle Ratson
Test that each veto that was added in the previous patch, is indeed vetoed. $ ./q_in_q_veto.sh TEST: create 802.1ad vlan upper on top of a front panel [ OK ] TEST: create 802.1ad vlan upper on top of a bridge port [ OK ] TEST: create 802.1ad vlan upper on top of a lag [ OK ] TEST: create 802.1ad vlan upper on top 802.1q bridge [ OK ] TEST: create 802.1ad vlan upper on top 802.1ad bridge [ OK ] TEST: create 802.1q vlan upper on top 802.1ad bridge [ OK ] TEST: create vlan upper on top of front panel enslaved to 802.1ad bridge [ OK ] TEST: create vlan upper on top of lag enslaved to 802.1ad bridge [ OK ] TEST: enslave front panel with vlan upper to 802.1ad bridge [ OK ] TEST: enslave lag with vlan upper to 802.1ad bridge [ OK ] TEST: IP address addition to 802.1ad bridge [ OK ] TEST: switch bridge protocol [ OK ] Signed-off-by: Danielle Ratson <danieller@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-30selftests/bpf: Fix flavored variants of test_imaKP Singh
Flavored variants of test_progs (e.g. test_progs-no_alu32) change their working directory to the corresponding subdirectory (e.g. no_alu32). Since the setup script required by test_ima (ima_setup.sh) is not mentioned in the dependencies, it does not get copied to these subdirectories and causes flavored variants of test_ima to fail. Adding the script to TRUNNER_EXTRA_FILES ensures that the file is also copied to the subdirectories for the flavored variants of test_progs. Fixes: 34b82d3ac105 ("bpf: Add a selftest for bpf_ima_inode_hash") Reported-by: Yonghong Song <yhs@fb.com> Suggested-by: Yonghong Song <yhs@fb.com> Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20201126184946.1708213-1-kpsingh@chromium.org
2020-11-28selftests: tc-testing: enable CONFIG_NET_SCH_RED as a moduleDavide Caratti
a proper kernel configuration for running kselftest can be obtained with: $ yes | make kselftest-merge enable compile support for the 'red' qdisc: otherwise, tdc kselftest fail when trying to run tdc test items contained in red.json. Signed-off-by: Davide Caratti <dcaratti@redhat.com> Link: https://lore.kernel.org/r/cfa23f2d4f672401e6cebca3a321dd1901a9ff07.1606416464.git.dcaratti@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Trivial conflict in CAN, keep the net-next + the byteswap wrapper. Conflicts: drivers/net/can/usb/gs_usb.c Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27selftests/tls: add CHACHA20-POLY1305 to tls selftestsVadim Fedorenko
Add new cipher as a variant of standard tls selftests Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-26bpf: Fix selftest compilation on clang 11Andrei Matei
Before this patch, profiler.inc.h wouldn't compile with clang-11 (before the __builtin_preserve_enum_value LLVM builtin was introduced in https://reviews.llvm.org/D83242). Another test that uses this builtin (test_core_enumval) is conditionally skipped if the compiler is too old. In that spirit, this patch inhibits part of populate_cgroup_info(), which needs this CO-RE builtin. The selftests build again on clang-11. The affected test (the profiler test) doesn't pass on clang-11 because it's missing https://reviews.llvm.org/D85570, but at least the test suite as a whole compiles. The test's expected failure is already called out in the README. Signed-off-by: Andrei Matei <andreimatei1@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Florian Lehner <dev@der-flo.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20201125035255.17970-1-andreimatei1@gmail.com
2020-11-26bpf: Add a selftest for bpf_ima_inode_hashKP Singh
The test does the following: - Mounts a loopback filesystem and appends the IMA policy to measure executions only on this file-system. Restricting the IMA policy to a particular filesystem prevents a system-wide IMA policy change. - Executes an executable copied to this loopback filesystem. - Calls the bpf_ima_inode_hash in the bprm_committed_creds hook and checks if the call succeeded and checks if a hash was calculated. The test shells out to the added ima_setup.sh script as the setup is better handled in a shell script and is more complicated to do in the test program or even shelling out individual commands from C. The list of required configs (i.e. IMA, SECURITYFS, IMA_{WRITE,READ}_POLICY) for running this test are also updated. Suggested-by: Mimi Zohar <zohar@linux.ibm.com> (limit policy rule to loopback mount) Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20201124151210.1081188-4-kpsingh@chromium.org
2020-11-24selftest/bpf: Fix rst formatting in readmeAndrei Matei
A couple of places in the readme had invalid rst formatting causing the rendering to be off. This patch fixes them with minimal edits. Signed-off-by: Andrei Matei <andreimatei1@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20201122022205.57229-2-andreimatei1@gmail.com
2020-11-24selftest/bpf: Fix link in readmeAndrei Matei
The link was bad because of invalid rst; it was pointing to itself and was rendering badly. Signed-off-by: Andrei Matei <andreimatei1@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20201122022205.57229-1-andreimatei1@gmail.com
2020-11-24selftests: mlxsw: Add blackhole_nexthop trap testIdo Schimmel
Test that packets hitting a blackhole nexthop are trapped to the CPU when the trap is enabled. Test that packets are not reported when the trap is disabled. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-24selftests: forwarding: Add blackhole nexthops testsIdo Schimmel
Test that IPv4 and IPv6 ping fail when the route is using a blackhole nexthop or a group with a blackhole nexthop. Test that ping passes when the route starts using a valid nexthop. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-24selftests: mlxsw: Add blackhole nexthop configuration testsIdo Schimmel
Test the mlxsw allows blackhole nexthops to be installed and that the nexthops are marked as offloaded. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-21Merge tag 'seccomp-v5.10-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp fixes from Kees Cook: "This gets the seccomp selftests running again on powerpc and sh, and fixes an audit reporting oversight noticed in both seccomp and ptrace. - Fix typos in seccomp selftests on powerpc and sh (Kees Cook) - Fix PF_SUPERPRIV audit marking in seccomp and ptrace (Mickaël Salaün)" * tag 'seccomp-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: sh: Fix register names selftests/seccomp: powerpc: Fix typo in macro variable name seccomp: Set PF_SUPERPRIV when checking capability ptrace: Set PF_SUPERPRIV when checking capability
2020-11-20selftests: mptcp: add ADD_ADDR IPv6 test casesGeliang Tang
This patch added IPv6 support for do_transfer, and the test cases for ADD_ADDR IPv6. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: mptcp: add link failure test caseFlorian Westphal
Add a test case where a link fails with multiple subflows. The expectation is that MPTCP will transmit any data that could not be delivered via the failed link on another subflow. Co-developed-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: forwarding: Add multipath tunneling nexthop testIdo Schimmel
Add a nexthop objects version of gre_multipath.sh. Unlike the original test, it also tests IPv6 overlay which is not possible with the legacy nexthop implementation. See commit 9a2ad3623868 ("selftests: forwarding: gre_multipath: Drop IPv6 tests") for more info. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: forwarding: Add device-only nexthop testIdo Schimmel
In a similar fashion to router_multipath.sh and its nexthop objects version router_mpath_nh.sh, create a nexthop objects version of router.sh. It reuses the same topology, but uses device-only nexthop objects instead of legacy ones. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: forwarding: Test IPv4 routes with IPv6 link-local nexthopsIdo Schimmel
In addition to IPv4 multipath tests with IPv4 nexthops, also test IPv4 multipath with nexthops that use IPv6 link-local addresses. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: forwarding: Do not configure nexthop objects twiceIdo Schimmel
routing_nh_obj() is used to configure the nexthop objects employed by the test, but it is called twice resulting in "RTNETLINK answers: File exists" messages. Remove the first call, so that the function is only called after setup_wait(), when all the interfaces are up and ready. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-20selftests: mlxsw: Add nexthop objects configuration testsIdo Schimmel
Test that unsupported nexthop objects are rejected and that offload indication is correctly set on: nexthop objects, nexthop group objects and routes associated these objects. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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