/* eBPF example program: * * - Loads eBPF program * * The eBPF program loads a filter from file and attaches the * program to a cgroup using BPF_PROG_ATTACH */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include "libbpf.h" #include "bpf_load.h" static int usage(const char *argv0) { printf("Usage: %s cg-path filter-path [filter-id]\n", argv0); return EXIT_FAILURE; } int main(int argc, char **argv) { int cg_fd, ret, filter_id = 0; if (argc < 3) return usage(argv[0]); cg_fd = open(argv[1], O_DIRECTORY | O_RDONLY); if (cg_fd < 0) { printf("Failed to open cgroup path: '%s'\n", strerror(errno)); return EXIT_FAILURE; } if (load_bpf_file(argv[2])) return EXIT_FAILURE; printf("Output from kernel verifier:\n%s\n-------\n", bpf_log_buf); if (argc > 3) filter_id = atoi(argv[3]); if (filter_id > prog_cnt) { printf("Invalid program id; program not found in file\n"); return EXIT_FAILURE; } ret = bpf_prog_attach(prog_fd[filter_id], cg_fd, BPF_CGROUP_INET_SOCK_CREATE); if (ret < 0) { printf("Failed to attach prog to cgroup: '%s'\n", strerror(errno)); return EXIT_FAILURE; } return EXIT_SUCCESS; } it' value='switch'/> net-next plumbingsTobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
commite7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba (patch)
treef63906f41699c8e38af9d12b063e2ceab0286ef2 /Documentation/networking/policy-routing.txt
parente34bac726d27056081d0250c0e173e4b155aa340 (diff)
parent868c97a846a73e937d835b09b8c885a69df50ec8 (diff)
Merge tag 'docs-4.10' of git://git.lwn.net/linuxHEADmaster
Pull documentation update from Jonathan Corbet: "These are the documentation changes for 4.10. It's another busy cycle for the docs tree, as the sphinx conversion continues. Highlights include: - Further work on PDF output, which remains a bit of a pain but should be more solid now. - Five more DocBook template files converted to Sphinx. Only 27 to go... Lots of plain-text files have also been converted and integrated. - Images in binary formats have been replaced with more source-friendly versions. - Various bits of organizational work, including the renaming of various files discussed at the kernel summit. - New documentation for the device_link mechanism. ... and, of course, lots of typo fixes and small updates" * tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits) dma-buf: Extract dma-buf.rst Update Documentation/00-INDEX docs: 00-INDEX: document directories/files with no docs docs: 00-INDEX: remove non-existing entries docs: 00-INDEX: add missing entries for documentation files/dirs docs: 00-INDEX: consolidate process/ and admin-guide/ description scripts: add a script to check if Documentation/00-INDEX is sane Docs: change sh -> awk in REPORTING-BUGS Documentation/core-api/device_link: Add initial documentation core-api: remove an unexpected unident ppc/idle: Add documentation for powersave=off Doc: Correct typo, "Introdution" => "Introduction" Documentation/atomic_ops.txt: convert to ReST markup Documentation/local_ops.txt: convert to ReST markup Documentation/assoc_array.txt: convert to ReST markup docs-rst: parse-headers.pl: cleanup the documentation docs-rst: fix media cleandocs target docs-rst: media/Makefile: reorganize the rules docs-rst: media: build SVG from graphviz files docs-rst: replace bayer.png by a SVG image ...
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