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authorDavid Ahern2016-12-01 17:48:07 +0100
committerDavid S. Miller2016-12-02 19:46:09 +0100
commit4f2e7ae56e04cfe670cf39152a8d015984c90351 (patch)
treec0d08eb983e657c56dd9249e64d44929d14014f0 /samples/bpf/bpf_load.c
parentbpf: Add support for reading socket family, type, protocol (diff)
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samples/bpf: Update bpf loader for cgroup section names
Add support for section names starting with cgroup/skb and cgroup/sock. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/bpf/bpf_load.c')
-rw-r--r--samples/bpf/bpf_load.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index 62f54d6eb8bf..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) {
@@ -334,7 +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);
}
}
@@ -353,7 +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);
}