diff options
Diffstat (limited to 'samples/bpf/bpf_load.c')
| -rw-r--r-- | samples/bpf/bpf_load.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 97913e109b14..49b45ccbe153 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -52,6 +52,8 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size) bool is_tracepoint = strncmp(event, "tracepoint/", 11) == 0; bool is_xdp = strncmp(event, "xdp", 3) == 0; bool is_perf_event = strncmp(event, "perf_event", 10) == 0; + bool is_cgroup_skb = strncmp(event, "cgroup/skb", 10) == 0; + bool is_cgroup_sk = strncmp(event, "cgroup/sock", 11) == 0; enum bpf_prog_type prog_type; char buf[256]; int fd, efd, err, id; @@ -72,6 +74,10 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size) prog_type = BPF_PROG_TYPE_XDP; } else if (is_perf_event) { prog_type = BPF_PROG_TYPE_PERF_EVENT; + } else if (is_cgroup_skb) { + prog_type = BPF_PROG_TYPE_CGROUP_SKB; + } else if (is_cgroup_sk) { + prog_type = BPF_PROG_TYPE_CGROUP_SOCK; } else { printf("Unknown event '%s'\n", event); return -1; @@ -85,7 +91,7 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size) prog_fd[prog_cnt++] = fd; - if (is_xdp || is_perf_event) + if (is_xdp || is_perf_event || is_cgroup_skb || is_cgroup_sk) return 0; if (is_socket) { @@ -317,6 +323,10 @@ int load_bpf_file(char *path) &shdr_prog, &data_prog)) continue; + if (shdr_prog.sh_type != SHT_PROGBITS || + !(shdr_prog.sh_flags & SHF_EXECINSTR)) + continue; + insns = (struct bpf_insn *) data_prog->d_buf; processed_sec[shdr.sh_info] = true; @@ -330,7 +340,8 @@ int load_bpf_file(char *path) memcmp(shname_prog, "tracepoint/", 11) == 0 || memcmp(shname_prog, "xdp", 3) == 0 || memcmp(shname_prog, "perf_event", 10) == 0 || - memcmp(shname_prog, "socket", 6) == 0) + memcmp(shname_prog, "socket", 6) == 0 || + memcmp(shname_prog, "cgroup/", 7) == 0) load_and_attach(shname_prog, insns, data_prog->d_size); } } @@ -349,7 +360,8 @@ int load_bpf_file(char *path) memcmp(shname, "tracepoint/", 11) == 0 || memcmp(shname, "xdp", 3) == 0 || memcmp(shname, "perf_event", 10) == 0 || - memcmp(shname, "socket", 6) == 0) + memcmp(shname, "socket", 6) == 0 || + memcmp(shname, "cgroup/", 7) == 0) load_and_attach(shname, data->d_buf, data->d_size); } |