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* bpf: fix for lex/yacc build error with gcc-5John Fastabend2018-04-251-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Fix build error found with Ubuntu shipped gcc-5 ~/git/bpf/tools/bpf$ make all Auto-detecting system features: ... libbfd: [ OFF ] ... disassembler-four-args: [ OFF ] CC bpf_jit_disasm.o LINK bpf_jit_disasm CC bpf_dbg.o /home/john/git/bpf/tools/bpf/bpf_dbg.c: In function ‘cmd_load’: /home/john/git/bpf/tools/bpf/bpf_dbg.c:1077:13: warning: ‘cont’ may be used uninitialized in this function [-Wmaybe-uninitialized] } else if (matches(subcmd, "pcap") == 0) { ^ LINK bpf_dbg CC bpf_asm.o make: *** No rule to make target `bpf_exp.yacc.o', needed by `bpf_asm'. Stop. Fixes: 5a8997f20715 ("tools: bpf: respect output directory during build") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: remove feature detection outputJakub Kicinski2018-03-161-0/+2
| | | | | | | | bpf tools use feature detection for libbfd dependency, clean up the output files on make clean. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: cleanup PHONY targetJakub Kicinski2018-03-161-1/+1
| | | | | | | | There is no FORCE target in the Makefile and some of the PHONY targets are missing, update the list. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: silence make by not deleting intermediate fileJiri Benc2018-03-091-1/+1
| | | | | | | | | | | | | Even in quiet mode, make finishes with rm tools/bpf/bpf_exp.lex.c That's because it considers the file to be intermediate. Silence that by mentioning the lex.c file instead of the lex.o file; the dependency still stays. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: respect quiet/verbose buildJiri Benc2018-03-091-11/+27
| | | | | | | Default to quiet build, with V=1 enabling verbose build as is usual. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: call descend in MakefileJiri Benc2018-03-091-3/+3
| | | | | | | Use the descend macro to properly propagate $(subdir) to bpftool. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: make install should build firstJiri Benc2018-03-091-2/+4
| | | | | | | | Make the 'install' target depend on the 'all' target to build the binaries first. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: consistent make bpf_installJiri Benc2018-03-091-4/+6
| | | | | | | | | | | | Currently, make bpf_install in tools/ does not respect DESTDIR. Moreover, it installs to /usr/bin/ unconditionally. Let it respect DESTDIR and allow prefix to be specified. Also, to be more consistent with bpftool and with the usual customs, default the prefix to /usr/local instead of /usr. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools: bpf: respect output directory during buildJiri Benc2018-03-091-16/+22
| | | | | | | | Currently, the programs under tools/bpf (with the notable exception of bpftool) do not respect the output directory (make O=dir). Fix that. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* tools/bpftool: fix bpftool build with bintutils >= 2.9Roman Gushchin2017-12-301-0/+29
| | | | | | | | | | | | | | | | | | Bpftool build is broken with binutils version 2.29 and later. The cause is commit 003ca0fd2286 ("Refactor disassembler selection") in the binutils repo, which changed the disassembler() function signature. Fix this by adding a new "feature" to the tools/build/features infrastructure and make it responsible for decision which disassembler() function signature to use. Signed-off-by: Roman Gushchin <guro@fb.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2017-11-041-0/+1
| | | | | | | Files removed in 'net-next' had their license header updated in 'net'. We take the remove from 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: bpf: add bpftoolJakub Kicinski2017-10-041-3/+15
| | | | | | | | | | Add a simple tool for querying and updating BPF objects on the system. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: rename tools/net directory to tools/bpfJakub Kicinski2017-10-041-0/+35
We currently only have BPF tools in the tools/net directory. We are about to add more BPF tools there, not necessarily networking related, rename the directory and related Makefile targets to bpf. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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