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| | * | | | | | | | | selftests: bpf: add missing executables to .gitignoreJakub Kicinski2018-12-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 435f90a338ae ("selftests/bpf: add a test case for sock_ops perf-event notification") missed adding new test to gitignore. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | selftests: bpf: verifier: add tests for JSET interpretationJakub Kicinski2018-12-201-0/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Validate that the verifier reasons correctly about the bounds and removes dead code based on results of JSET instruction. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | selftests: bpf: add trivial JSET testsJakub Kicinski2018-12-201-31/+178
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We seem to have no JSET instruction test, and LLVM does not generate it at all, so let's add a simple hand-coded test to make sure JIT implementations are correct. v2: - extend test_verifier to handle multiple inputs and add the sample there (Daniel) - add a sign extension case Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: Add BPF_LD_IMM64 to the line_info testMartin KaFai Lau2018-12-191-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a BPF_LD_IMM64 case to the line_info test to ensure the kernel rejects linfo_info.insn_off pointing to the 2nd 8 bytes of the BPF_LD_IMM64. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| | * | | | | | | | | tools: bpftool: do not force gcc as CCIvan Babrou2018-12-191-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows transparent cross-compilation with CROSS_COMPILE by relying on 7ed1c1901fe5 ("tools: fix cross-compile var clobbering"). Signed-off-by: Ivan Babrou <ivan@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: sk_msg, add tests for size fieldJohn Fastabend2018-12-191-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds tests to read the size field to test_verifier. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: add tools lib/include support sk_msg_md size fieldJohn Fastabend2018-12-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the size field to sk_msg_md for tools. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: correct slot_type marking logic to allow more stack slot sharingJiong Wang2018-12-181-2/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Verifier is supposed to support sharing stack slot allocated to ptr with SCALAR_VALUE for privileged program. However this doesn't happen for some cases. The reason is verifier is not clearing slot_type STACK_SPILL for all bytes, it only clears part of them, while verifier is using: slot_type[0] == STACK_SPILL as a convention to check one slot is ptr type. So, the consequence of partial clearing slot_type is verifier could treat a partially overridden ptr slot, which should now be a SCALAR_VALUE slot, still as ptr slot, and rejects some valid programs. Before this patch, test_xdp_noinline.o under bpf selftests, bpf_lxc.o and bpf_netdev.o under Cilium bpf repo, when built with -mattr=+alu32 are rejected due to this issue. After this patch, they all accepted. There is no processed insn number change before and after this patch on Cilium bpf programs. Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Reviewed-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| | * | | | | | | | | tools: bpftool: add an option to prevent auto-mount of bpffs, tracefsQuentin Monnet2018-12-187-2/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to make life easier for users, bpftool automatically attempts to mount the BPF virtual file system, if it is not mounted already, before trying to pin objects in it. Similarly, it attempts to mount tracefs if necessary before trying to dump the trace pipe to the console. While mounting file systems on-the-fly can improve user experience, some administrators might prefer to avoid that. Let's add an option to block these mount attempts. Note that it does not prevent automatic mounting of tracefs by debugfs for the "bpftool prog tracelog" command. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: attempt to mount tracefs if required for tracelog cmdQuentin Monnet2018-12-183-12/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As a follow-up to commit 30da46b5dc3a ("tools: bpftool: add a command to dump the trace pipe"), attempt to mount the tracefs virtual file system if it is not detected on the system before trying to dump content of the tracing pipe on an invocation of "bpftool prog tracelog". Usually, tracefs in automatically mounted by debugfs when the user tries to access it (e.g. "ls /sys/kernel/debug/tracing" mounts the tracefs). So if we failed to find it, it is probably that debugfs is not here either. Therefore, we just attempt a single mount, at a location that does not involve debugfs: /sys/kernel/tracing. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools/bpf: check precise {func, line, jited_line}_info_rec_size in test_btfYonghong Song2018-12-181-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current btf func_info, line_info and jited_line are designed to be extensible. The record sizes for {func,line}_info are passed to kernel, and the record sizes for {func,line,jited_line}_info are returned to userspace during bpf_prog_info query. In bpf selftests test_btf.c, when testing whether kernel returns a legitimate {func,line, jited_line)_info rec_size, the test only compares to the minimum allowed size. If the returned rec_size is smaller than the minimum allowed size, it is considered incorrect. The minimum allowed size for these three info sizes are equal to current value of sizeof(struct bpf_func_info), sizeof(struct bpf_line_info) and sizeof(__u64). The original thinking was that in the future when rec_size is increased in kernel, the same test should run correctly. But this sacrificed the precision of testing under the very kernel the test is shipped with, and bpf selftest is typically run with the same repo kernel. So this patch changed the testing of rec_size such that the kernel returned value should be equal to the size defined by tools uapi header bpf.h which syncs with kernel uapi header. Martin discovered a bug in one of rec_size comparisons. Instead of comparing to minimum func_info rec_size 8, it compares to 4. This patch fixed that issue as well. Fixes: 999d82cbc044 ("tools/bpf: enhance test_btf file testing to test func info") Fixes: 05687352c600 ("bpf: Refactor and bug fix in test_func_type in test_btf.c") Fixes: 4d6304c76355 ("bpf: Add unit tests for bpf_line_info") Suggested-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: libbpf: fix memleak by freeing line_infoPrashant Bhole2018-12-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a memory leak in libbpf by freeing up line_info member of struct bpf_program while unloading a program. Fixes: 3d65014146c6 ("bpf: libbpf: Add btf_line_info support to libbpf") Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: support pretty print with kind_flag setYonghong Song2018-12-181-9/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following example shows map pretty print with structures which include bitfield members. enum A { A1, A2, A3, A4, A5 }; typedef enum A ___A; struct tmp_t { char a1:4; int a2:4; int :4; __u32 a3:4; int b; ___A b1:4; enum A b2:4; }; struct bpf_map_def SEC("maps") tmpmap = { .type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(__u32), .value_size = sizeof(struct tmp_t), .max_entries = 1, }; BPF_ANNOTATE_KV_PAIR(tmpmap, int, struct tmp_t); and the following map update in the bpf program: key = 0; struct tmp_t t = {}; t.a1 = 2; t.a2 = 4; t.a3 = 6; t.b = 7; t.b1 = 8; t.b2 = 10; bpf_map_update_elem(&tmpmap, &key, &t, 0); With this patch, I am able to print out the map values correctly with this patch: bpftool map dump id 187 [{ "key": 0, "value": { "a1": 0x2, "a2": 0x4, "a3": 0x6, "b": 7, "b1": 0x8, "b2": 0xa } } ] Previously, if a function prototype argument has a typedef type, the prototype is not printed since function __btf_dumper_type_only() bailed out with error if the type is a typedef. This commit corrected this behavior by printing out typedef properly. The following example shows forward type and typedef type can be properly printed in function prototype with modified test_btf_haskv.c. struct t; union u; __attribute__((noinline)) static int test_long_fname_1(struct dummy_tracepoint_args *arg, struct t *p1, union u *p2, __u32 unused) ... int _dummy_tracepoint(struct dummy_tracepoint_args *arg) { return test_long_fname_1(arg, 0, 0, 0); } $ bpftool p d xlated id 24 ... int test_long_fname_1(struct dummy_tracepoint_args * arg, struct t * p1, union u * p2, __u32 unused) ... Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: refactor btf_dumper_int_bits()Yonghong Song2018-12-181-6/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The core dump funcitonality in btf_dumper_int_bits() is refactored into a separate function btf_dumper_bitfield() which will be used by the next 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>
| | * | | | | | | | | tools/bpf: test kernel bpffs map pretty print with struct kind_flagYonghong Song2018-12-181-14/+154
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new tests are added to test bpffs map pretty print in kernel with kind_flag for structure type. $ test_btf -p ...... BTF pretty print array(#1)......OK BTF pretty print array(#2)......OK PASS:8 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>
| | * | | | | | | | | tools/bpf: add test_btf unit tests for kind_flagYonghong Song2018-12-181-2/+494
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch added unit tests for different types handling type->info.kind_flag. The following new tests are added: $ test_btf ... BTF raw test[82] (invalid int kind_flag): OK BTF raw test[83] (invalid ptr kind_flag): OK BTF raw test[84] (invalid array kind_flag): OK BTF raw test[85] (invalid enum kind_flag): OK BTF raw test[86] (valid fwd kind_flag): OK BTF raw test[87] (invalid typedef kind_flag): OK BTF raw test[88] (invalid volatile kind_flag): OK BTF raw test[89] (invalid const kind_flag): OK BTF raw test[90] (invalid restrict kind_flag): OK BTF raw test[91] (invalid func kind_flag): OK BTF raw test[92] (invalid func_proto kind_flag): OK BTF raw test[93] (valid struct kind_flag, bitfield_size = 0): OK BTF raw test[94] (valid struct kind_flag, int member, bitfield_size != 0): OK BTF raw test[95] (valid union kind_flag, int member, bitfield_size != 0): OK BTF raw test[96] (valid struct kind_flag, enum member, bitfield_size != 0): OK BTF raw test[97] (valid union kind_flag, enum member, bitfield_size != 0): OK BTF raw test[98] (valid struct kind_flag, typedef member, bitfield_size != 0): OK BTF raw test[99] (valid union kind_flag, typedef member, bitfield_size != 0): OK BTF raw test[100] (invalid struct type, bitfield_size greater than struct size): OK BTF raw test[101] (invalid struct type, kind_flag bitfield base_type int not regular): OK BTF raw test[102] (invalid struct type, kind_flag base_type int not regular): OK BTF raw test[103] (invalid union type, bitfield_size greater than struct size): OK ... PASS:122 SKIP:0 FAIL:0 The second parameter name of macro BTF_INFO_ENC(kind, root, vlen) in selftests test_btf.c is also renamed from "root" to "kind_flag". Note that before this patch "root" is not used and always 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>
| | * | | | | | | | | tools/bpf: sync btf.h header from kernel to toolsYonghong Song2018-12-181-2/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sync include/uapi/linux/btf.h to tools/include/uapi/linux/btf.h. Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: remove useless version check for prog loadDaniel Borkmann2018-12-171-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Existing libraries and tracing frameworks work around this kernel version check by automatically deriving the kernel version from uname(3) or similar such that the user does not need to do it manually; these workarounds also make the version check useless at the same time. Moreover, most other BPF tracing types enabling bpf_probe_read()-like functionality have /not/ adapted this check, and in general these days it is well understood anyway that all the tracing programs are not stable with regards to future kernels as kernel internal data structures are subject to change from release to release. Back at last netconf we discussed [0] and agreed to remove this check from bpf_prog_load() and instead document it here in the uapi header that there is no such guarantee for stable API for these programs. [0] http://vger.kernel.org/netconf2018_files/DanielBorkmann_netconf2018.pdf Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| | * | | | | | | | | tools: bpftool: fix -Wmissing declaration warningsQuentin Monnet2018-12-154-9/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Help compiler check arguments for several utility functions used to print items to the console by adding the "printf" attribute when declaring those functions. Also, declare as "static" two functions that are only used in prog.c. All of them discovered by compiling bpftool with -Wmissing-format-attribute -Wmissing-declarations. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: fix warning on struct bpf_prog_linfo definitionQuentin Monnet2018-12-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following warning appears when compiling bpftool without BFD support: main.h:198:23: warning: 'struct bpf_prog_linfo' declared inside parameter list will not be visible outside of this definition or declaration const struct bpf_prog_linfo *prog_linfo, Fix it by declaring struct bpf_prog_linfo even in the case BFD is not supported. Fixes: b053b439b72a ("bpf: libbpf: bpftool: Print bpf_line_info during prog dump") Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: add a prog array map update example to documentationQuentin Monnet2018-12-151-0/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an example in map documentation to show how to use bpftool in order to update the references to programs hold by prog array maps. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: fix examples in documentation for bpftool progQuentin Monnet2018-12-151-45/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bring various fixes to the manual page for "bpftool prog" set of commands: - Fix typos ("dum" -> "dump") - Harmonise indentation and format for command output - Update date format for program load time - Add instruction numbers on program dumps - Fix JSON format for the example program listing Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: add doc for -m option to bpftool-prog.rstQuentin Monnet2018-12-151-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The --mapcompat|-m option has been documented on the main bpftool.rst page, and on the interactive help. As this option is useful for loading programs with maps with the "bpftool prog load" command, it should also appear in the related bpftool-prog.rst documentation page. Let's add it. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: improve stacksafe state comparisonAlexei Starovoitov2018-12-151-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "if (old->allocated_stack > cur->allocated_stack)" check is too conservative. In some cases explored stack could have allocated more space, but that stack space was not live. The test case improves from 19 to 15 processed insns and improvement on real programs is significant as well: before after bpf_lb-DLB_L3.o 1940 1831 bpf_lb-DLB_L4.o 3089 3029 bpf_lb-DUNKNOWN.o 1065 1064 bpf_lxc-DDROP_ALL.o 28052 26309 bpf_lxc-DUNKNOWN.o 35487 33517 bpf_netdev.o 10864 9713 bpf_overlay.o 6643 6184 bpf_lcx_jit.o 38437 37335 Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Edward Cree <ecree@solarflare.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | selftests/bpf: check insn processed in test_verifierAlexei Starovoitov2018-12-151-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach test_verifier to parse verifier output for insn processed and compare with expected number. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Edward Cree <ecree@solarflare.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | selftests/bpf: Fix sk lookup usage in test_sock_addrAndrey Ignatov2018-12-132-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Semantic of netns_id argument of bpf_sk_lookup_tcp and bpf_sk_lookup_udp was changed (fixed) in f71c6143c203. Corresponding changes have to be applied to all call sites in selftests. The patch fixes corresponding call sites in test_sock_addr test: pass BPF_F_CURRENT_NETNS instead of 0 in netns_id argument. Fixes: f71c6143c203 ("bpf: Support sk lookup in netns with id 0") Reported-by: Yonghong Song <yhs@fb.com> Signed-off-by: Andrey Ignatov <rdna@fb.com> Acked-by: Joe Stringer <joe@wand.net.nz> Tested-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: sync tools/include/uapi/linux/bpf.hSong Liu2018-12-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sync bpf.h for nr_prog_tags and prog_tags. Signed-off-by: Song Liu <songliubraving@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | bpf: Remove !func_info and !line_info check from test_btf and bpftoolMartin KaFai Lau2018-12-133-19/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kernel can provide the func_info and line_info even it fails the btf_dump_raw_ok() test because they don't contain kernel address. This patch removes the corresponding '== 0' test. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: dual license all filesJakub Kicinski2018-12-1310-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently bpftool contains a mix of GPL-only and GPL or BSD2 licensed files. Make sure all files are dual licensed under GPLv2 and BSD-2-Clause. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Roman Gushchin <guro@fb.com> Acked-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Stanislav Fomichev <sdf@google.com> Acked-by: Sean Young <sean@mess.org> Acked-by: Jiri Benc <jbenc@redhat.com> Acked-by: David Calavera <david.calavera@gmail.com> Acked-by: Andrey Ignatov <rdna@fb.com> Acked-by: Joe Stringer <joe@wand.net.nz> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Acked-by: Petar Penkov <ppenkov@stanford.edu> Acked-by: Sandipan Das <sandipan@linux.ibm.com> Acked-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Taeung Song <treeze.taeung@gmail.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> CC: okash.khawaja@gmail.com Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: replace Netronome boilerplate with SPDX license headersJakub Kicinski2018-12-1310-330/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the repeated license text with SDPX identifiers. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Roman Gushchin <guro@fb.com> Acked-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Stanislav Fomichev <sdf@google.com> Acked-by: Sean Young <sean@mess.org> Acked-by: Jiri Benc <jbenc@redhat.com> Acked-by: David Calavera <david.calavera@gmail.com> Acked-by: Andrey Ignatov <rdna@fb.com> Acked-by: Joe Stringer <joe@wand.net.nz> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Acked-by: Petar Penkov <ppenkov@stanford.edu> Acked-by: Sandipan Das <sandipan@linux.ibm.com> Acked-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Taeung Song <treeze.taeung@gmail.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> CC: okash.khawaja@gmail.com Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | tools: bpftool: fix SPDX format in headersJakub Kicinski2018-12-133-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Documentation/process/license-rules.rst sayeth: 2. Style: The SPDX license identifier is added in form of a comment. The comment style depends on the file type:: C source: // SPDX-License-Identifier: <SPDX License Expression> C header: /* SPDX-License-Identifier: <SPDX License Expression> */ Headers should use C comment style. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Roman Gushchin <guro@fb.com> Acked-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Stanislav Fomichev <sdf@google.com> Acked-by: Sean Young <sean@mess.org> Acked-by: Jiri Benc <jbenc@redhat.com> Acked-by: David Calavera <david.calavera@gmail.com> Acked-by: Andrey Ignatov <rdna@fb.com> Acked-by: Joe Stringer <joe@wand.net.nz> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Acked-by: Petar Penkov <ppenkov@stanford.edu> Acked-by: Sandipan Das <sandipan@linux.ibm.com> Acked-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Taeung Song <treeze.taeung@gmail.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> CC: okash.khawaja@gmail.com Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| | * | | | | | | | | selftests/bpf: add btf annotations for cgroup_local_storage mapsRoman Gushchin2018-12-121-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add btf annotations to cgroup local storage maps (per-cpu and shared) in the network packet counting example. Signed-off-by: Roman Gushchin <guro@fb.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| | * | | | | | | | | selftests/bpf: use __bpf_constant_htons in test_prog.cStanislav Fomichev2018-12-121-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For some reason, my older GCC (< 4.8) isn't smart enough to optimize the !__builtin_constant_p() branch in bpf_htons, I see: error: implicit declaration of function '__builtin_bswap16' Let's use __bpf_constant_htons as suggested by Daniel Borkmann. I tried to use simple htons, but it produces the following: test_progs.c:54:17: error: braced-group within expression allowed only inside a function .eth.h_proto = htons(ETH_P_IP), Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| * | | | | | | | | | selftests: add txtimestamp kselftestWillem de Bruijn2018-12-205-28/+173
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Run the transmit timestamp tests as part of kselftests. Add a txtimestamp.sh test script that runs most variants: ipv4/ipv6, tcp/udp/raw/raw_ipproto/pf_packet, data/nodata, setsockopt/cmsg. The script runs tests with netem delays. Refine txtimestamp.c to validate results. Take expected netem delays as input and compare against real timestamps. To run without dependencies, add a listener socket to be able to connect in the case of TCP. Add the timestamping directory to the kselftests Makefile. Build all the binaries. Only run verified txtimestamp.sh. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: expand txtimestamp with ipv6 dgram + raw and pf_packetWillem de Bruijn2018-12-201-43/+146
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Expand the transmit timestamp regression test with support for missing protocols: ipv6 datagram and raw and pf_packet. Also refine resolve_hostname to independently request AF_INET or AF_INET6 addresses. Else, ipv4 addresses may be returned as AF_INET6. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: expand txtimestamp with cmsg supportWillem de Bruijn2018-12-201-14/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 3dd17e63f513 ("sock: accept SO_TIMESTAMPING flags in socket cmsg") added support for passing tx timestamping options per-call in sendmsg. Expand the txtimestamp test with support for this feature. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: rtnetlink: Add a test case for multipath route getIdo Schimmel2018-12-201-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without previous patch a warning would be generated upon multipath route get when FIB multipath hash policy is to use a 5-tuple for multipath hash calculation. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: forwarding: Add router test with VID 1Ido Schimmel2018-12-201-0/+135
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous patches made it possible to setup VLAN devices with VID 1 over mlxsw ports. Verify this functionality actually works by conducting a simple router test over VID 1. Adding this test as a generic test since it can be run using veth pairs and it can also be useful for other physical devices where VID 1 was considered reserved (knowingly or not). Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: mlxsw: Adjust test regarding VID 1Ido Schimmel2018-12-201-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous patches made it possible to create VLAN devices with VID 1 over mlxsw ports. Adjust the test to verify such an operation succeeds. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | selftests: mlxsw: Add a test case for L3 VNIIdo Schimmel2018-12-201-0/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous patch added the ability to offload a VXLAN tunnel used for L3 VNI when it is present in the VLAN-aware bridge before the corresponding VLAN interface is configured. This patch adds a test case to verify that. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2018-12-2011-27/+173
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Lots of conflicts, by happily all cases of overlapping changes, parallel adds, things of that nature. Thanks to Stephen Rothwell, Saeed Mahameed, and others for their guidance in these resolutions. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | selftests: net: refactor reuseport_addr_any testPeter Oskolkov2018-12-191-83/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors reuseport_add_any selftest a bit: - makes it more modular (eliminates several copy/pasted blocks); - skips DCCP tests if DCCP is not supported V2: added "Signed-off-by" tag. Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | selftests: rtnetlink.sh: add testcase for neigh getRoopa Prabhu2018-12-191-0/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | selftests: mlxsw: Add rtnetlink testsIdo Schimmel2018-12-191-0/+392
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new test that is focused on rtnetlink configuration. Its purpose is to test valid and invalid (as deemed by mlxsw) configurations and make sure that they succeed / fail without producing a trace. Some of the test cases are derived from recent fixes in order to make sure that the fixed bugs are not introduced again. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | Merge branch 'master' of ↵David S. Miller2018-12-182-1/+304
| |\ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2018-12-18 1) Add xfrm policy selftest scripts. From Florian Westphal. 2) Split inexact policies into four different search list classes and use the rbtree infrastructure to store/lookup the policies. This is to improve the policy lookup performance after the flowcache removal. Patches from Florian Westphal. 3) Various coding style fixes, from Colin Ian King. 4) Fix policy lookup logic after adding the inexact policy search tree infrastructure. From Florian Westphal. 5) Remove a useless remove BUG_ON from xfrm6_dst_ifdown. From Li RongQing. 6) Use the correct policy direction for lookups on hash rebuilding. From Florian Westphal. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | | | | | | | | | | xfrm: policy: fix netlink/pf_key policy lookupsFlorian Westphal2018-11-151-6/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Colin Ian King says: Static analysis with CoverityScan found a potential issue [..] It seems that pointer pol is set to NULL and then a check to see if it is non-null is used to set pol to tmp; howeverm this check is always going to be false because pol is always NULL. Fix this and update test script to catch this. Updated script only: ./xfrm_policy.sh ; echo $? RTNETLINK answers: No such file or directory FAIL: ip -net ns3 xfrm policy get src 10.0.1.0/24 dst 10.0.2.0/24 dir out RTNETLINK answers: No such file or directory [..] PASS: policy before exception matches PASS: ping to .254 bypassed ipsec tunnel PASS: direct policy matches PASS: policy matches 1 Fixes: 6be3b0db6db ("xfrm: policy: add inexact policy search tree infrastructure") Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
| | * | | | | | | | | | | selftests: add xfrm policy test scriptFlorian Westphal2018-11-092-1/+278
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | add a script that adds a ipsec tunnel between two network namespaces plus following policies: .0/24 -> ipsec tunnel .240/28 -> bypass .253/32 -> ipsec tunnel Then check that .254 bypasses tunnel (match /28 exception), and .2 (match /24) and .253 (match direct policy) pass through the tunnel. Abuses iptables to check if ping did resolve an ipsec policy or not. Also adds a bunch of 'block' rules that are not supposed to match. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
| * | | | | | | | | | | | selftests: mlxsw: Add Bloom delta testNir Dotan2018-12-161-1/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The eRP table is active when there is more than a single rule pattern. It may be that the patterns are close enough and use delta mechanism. Bloom filter index computation is based on the values of {rule & mask, mask ID, region ID} where the rule delta bits must be cleared. Add a test that exercises Bloom filter with delta mechanism. Configure rules within delta range and pass a packet which is supposed to hit the correct rule. Signed-off-by: Nir Dotan <nird@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | | selftests: mlxsw: Add Bloom filter complex testNir Dotan2018-12-161-1/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bloom filter index computation is based on the values of {rule & mask, mask ID, region ID} and the computation also varies according to the region key size. Add a test that exercises the possible combinations by creating multiple chains using different key sizes and then pass a frame that is supposed to to produce a hit on all of the regions. Signed-off-by: Nir Dotan <nird@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | | selftests: mlxsw: Add Bloom filter simple testNir Dotan2018-12-161-1/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a test that exercises Bloom filter code. Activate eRP table in the region by adding multiple rule patterns which with very high probability use different entries in the Bloom filter. Then send packets in order to check lookup hits on all relevant rules. Signed-off-by: Nir Dotan <nird@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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