bpf: support flow dissector in libbpf and bpftool

This patch extends libbpf and bpftool to work with programs of type
BPF_PROG_TYPE_FLOW_DISSECTOR.

Signed-off-by: Petar Penkov <ppenkov@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 8476da7f2720..9ca8e0e624d8 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1502,6 +1502,7 @@ static bool bpf_prog_type__needs_kver(enum bpf_prog_type type)
         case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
         case BPF_PROG_TYPE_LIRC_MODE2:
         case BPF_PROG_TYPE_SK_REUSEPORT:
+        case BPF_PROG_TYPE_FLOW_DISSECTOR:
                 return false;
         case BPF_PROG_TYPE_UNSPEC:
         case BPF_PROG_TYPE_KPROBE:
@@ -2121,6 +2122,7 @@ static const struct {
         BPF_PROG_SEC("sk_skb",          BPF_PROG_TYPE_SK_SKB),
         BPF_PROG_SEC("sk_msg",          BPF_PROG_TYPE_SK_MSG),
         BPF_PROG_SEC("lirc_mode2",      BPF_PROG_TYPE_LIRC_MODE2),
+        BPF_PROG_SEC("flow_dissector",  BPF_PROG_TYPE_FLOW_DISSECTOR),
         BPF_SA_PROG_SEC("cgroup/bind4", BPF_CGROUP_INET4_BIND),
         BPF_SA_PROG_SEC("cgroup/bind6", BPF_CGROUP_INET6_BIND),
         BPF_SA_PROG_SEC("cgroup/connect4", BPF_CGROUP_INET4_CONNECT),