Bpftool sync 2024-09-02 #155
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This commit no logical changed, just increases code readability and facilitates TCX prog expansion, which will be implemented in the next patch. Signed-off-by: Tao Chen <chen.dylane@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20240721143353.95980-2-chen.dylane@gmail.com Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Now, attach/detach tcx prog supported in libbpf, so we can add new command 'bpftool attach/detach tcx' to attach tcx prog with bpftool for user. # bpftool prog load tc_prog.bpf.o /sys/fs/bpf/tc_prog # bpftool prog show ... 192: sched_cls name tc_prog tag 187aeb611ad00cfc gpl loaded_at 2024-07-11T15:58:16+0800 uid 0 xlated 152B jited 97B memlock 4096B map_ids 100,99,97 btf_id 260 # bpftool net attach tcx_ingress name tc_prog dev lo # bpftool net ... tc: lo(1) tcx/ingress tc_prog prog_id 29 # bpftool net detach tcx_ingress dev lo # bpftool net ... tc: # bpftool net attach tcx_ingress name tc_prog dev lo # bpftool net tc: lo(1) tcx/ingress tc_prog prog_id 29 Test environment: ubuntu_22_04, 6.7.0-060700-generic Signed-off-by: Tao Chen <chen.dylane@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20240721144221.96228-1-chen.dylane@gmail.com Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
This commit adds bash-completion for attaching tcx program on interface. Signed-off-by: Tao Chen <chen.dylane@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20240721144238.96246-1-chen.dylane@gmail.com Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
This commit adds sample output for net attach/detach on tcx subcommand. Signed-off-by: Tao Chen <chen.dylane@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20240721144252.96264-1-chen.dylane@gmail.com Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
The format specifier of "unsigned int" in printf() should be "%u", not "%d". Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Quentin Monnet <qmo@kernel.org> Link: https://lore.kernel.org/bpf/20240724111120.11625-1-zhujun2@cmss.chinamobile.com
To pick up changes from: 608f6976c309 perf/x86/intel: Support new data source for Lunar Lake This should be used to beautify perf syscall arguments and it addresses these tools/perf build warnings: Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Please see tools/include/uapi/README for details (it's in the first patch of this series). Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: "Liang, Kan" <kan.liang@linux.intel.com> Cc: linux-perf-users@vger.kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This adds a kfunc wrapper around strncpy_from_user, which can be called from sleepable BPF programs. This matches the non-sleepable 'bpf_probe_read_user_str' helper except it includes an additional 'flags' param, which allows consumers to clear the entire destination buffer on success or failure. Signed-off-by: Jordan Rome <linux@jordanrome.com> Link: https://lore.kernel.org/r/20240823195101.3621028-1-linux@jordanrome.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Pull latest libbpf from mirror. Libbpf version: 1.5.0 Libbpf commit: caa17bdcbfc58e68eaf4d017c058e6577606bf56 Signed-off-by: Quentin Monnet <qmo@kernel.org>
The usage help for "bpftool prog help" contains a ° instead of the _
symbol for cgroup/sendmsg_unix. Fix the typo.
Fixes: 8b3cba987e6d ("bpftool: Add support for cgroup unix socket address hooks")
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Quentin Monnet <qmo@kernel.org>
Link: https://lore.kernel.org/bpf/20240717134508.77488-1-donald.hunter@gmail.com
Syncing latest bpftool commits from kernel repository. Baseline bpf-next commit: ec5b8c76ab1c6d163762d60cfbedcd27e7527144 Checkpoint bpf-next commit: 2ad6d23f465a4f851e3bcf6d74c315ce7b2c205b Baseline bpf commit: e1533b6319ab9c3a97dad314dd88b3783bc41b69 Checkpoint bpf commit: b408473ea01b2e499d23503e2bf898416da9d7ac Donald Hunter (1): bpftool: Fix typo in usage help Jordan Rome (1): bpf: Add bpf_copy_from_user_str kfunc Namhyung Kim (1): tools/include: Sync uapi/linux/perf.h with the kernel sources Tao Chen (4): bpftool: Refactor xdp attach/detach type judgment bpftool: Add net attach/detach command to tcx prog bpftool: Add bash-completion for tcx subcommand bpftool: Add document for net attach/detach on tcx subcommand Zhu Jun (1): tools/bpf: Fix the wrong format specifier bash-completion/bpftool | 2 +- docs/bpftool-net.rst | 22 ++++++++++- include/uapi/linux/bpf.h | 9 +++++ include/uapi/linux/perf_event.h | 6 ++- src/net.c | 69 ++++++++++++++++++++++++++++++--- src/prog.c | 2 +- src/xlated_dumper.c | 4 +- 7 files changed, 101 insertions(+), 13 deletions(-) Signed-off-by: Quentin Monnet <qmo@kernel.org>
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Pull latest libbpf from mirror and sync bpftool repo with kernel, up to the commits used for libbpf sync. This is an automatic update performed by calling the sync script from this repo:
Note that after this PR, doc compilation complains because of #154.