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bpf: support flow dissector in libbpf and bpftool

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

Signed-off-by: Petar Penkov <[email protected]>
Signed-off-by: Willem de Bruijn <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
This commit is contained in:
Petar Penkov 2018-09-14 07:46:20 -07:00 • committed by Alexei Starovoitov
commit c22fbae76c
2 changed files with 3 additions and 0 deletions
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2
tools/lib/bpf/libbpf.c
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@ -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),